Page MenuHomePhabricator (Chris)
Files F126015

No OneTemporary
Actions

Authored By
Unknown
Size
18 KB
Referenced Files
None
Subscribers
None

View Options

diff --git a/util/nacl/network-system.cpp b/util/nacl/network-system.cpp
index 8866b027..c3e11dab 100644
--- a/util/nacl/network-system.cpp
+++ b/util/nacl/network-system.cpp
@@ -1,533 +1,559 @@
#ifdef NACL
/* documentation for ppapi
* http://code.google.com/chrome/nativeclient/docs/reference/peppercpp/inherits.html
*/
/* issues with getting data
* 1. the function that starts the game is called from the main chrome thread
* which starts from a javascript call to module.PostMessage('run').
* ...
*
*/
#include <unistd.h>
#include <errno.h>
#include "network-system.h"
#include "../funcs.h"
#include "../debug.h"
#include <ppapi/c/pp_errors.h>
#include <ppapi/cpp/url_loader.h>
#include <ppapi/cpp/url_request_info.h>
#include <ppapi/cpp/url_response_info.h>
#include <ppapi/cpp/completion_callback.h>
using std::string;
+using std::map;
namespace Nacl{
typedef Path::AbsolutePath AbsolutePath;
typedef Path::RelativePath RelativePath;
enum RequestType{
Exists
};
struct Request{
RequestType type;
AbsolutePath absolute;
RelativePath relative;
bool complete;
bool success;
};
Request operation;
struct NaclRequest{
virtual ~NaclRequest(){
}
virtual void start() = 0;
};
struct NaclRequestOpen: public NaclRequest {
NaclRequestOpen(pp::Instance * instance, const string & url, Manager * manager):
request(instance),
loader(instance),
url(url),
manager(manager){
request.SetURL(url);
request.SetMethod("GET");
}
void start(){
- Global::debug(0) << "Request open for url " << url << std::endl;
+ Global::debug(1) << "Request open for url " << url << std::endl;
pp::CompletionCallback callback(&NaclRequestOpen::onFinish, this);
int32_t ok = loader.Open(request, callback);
- Global::debug(0) << "Open " << ok << std::endl;
+ Global::debug(1) << "Open " << ok << std::endl;
if (ok != PP_OK_COMPLETIONPENDING){
// Global::debug(0) << "Call on main thread" << std::endl;
// core->CallOnMainThread(0, callback, ok);
callback.Run(ok);
}
- Global::debug(0) << "Callback running" << std::endl;
+ Global::debug(1) << "Callback running" << std::endl;
}
static void onFinish(void * me, int32_t result){
NaclRequestOpen * self = (NaclRequestOpen*) me;
self->finish(result);
}
void finish(int32_t result);
pp::URLRequestInfo request;
pp::URLLoader loader;
string url;
Manager * manager;
};
+struct NaclRequestRead: public NaclRequest {
+ NaclRequestRead(pp::URLLoader & loader, Manager * manager, void * buffer, int read):
+ loader(loader),
+ manager(manager),
+ buffer(buffer),
+ read(read){
+ }
+
+ void start(){
+ pp::CompletionCallback callback(&NaclRequestRead::onFinish, this);
+ int32_t ok = loader.ReadResponseBody(buffer, read, callback);
+ Global::debug(1) << "Read " << ok << std::endl;
+ if (ok != PP_OK_COMPLETIONPENDING){
+ // Global::debug(0) << "Call on main thread" << std::endl;
+ // core->CallOnMainThread(0, callback, ok);
+ callback.Run(ok);
+ }
+ Global::debug(1) << "Callback running" << std::endl;
+ }
+
+ static void onFinish(void * me, int32_t result){
+ NaclRequestRead * self = (NaclRequestRead*) me;
+ self->finish(result);
+ }
+
+ void finish(int32_t result);
+
+ pp::URLLoader loader;
+ Manager * manager;
+ void * buffer;
+ int read;
+};
+
class Manager{
public:
Manager(pp::Instance * instance, pp::Core * core):
instance(instance),
core(core),
factory(this){
next = 2;
}
pp::Instance * instance;
pp::Core * core;
Util::ReferenceCount<NaclRequest> request;
pp::CompletionCallbackFactory<Manager> factory;
+ map<int, Util::ReferenceCount<NaclRequest> > fileTable;
+
int next;
struct OpenFileData{
const char * path;
int file;
};
+ struct ReadFileData{
+ int file;
+ void * buffer;
+ /* how much to read */
+ int count;
+ /* how much was read */
+ int read;
+ };
+
OpenFileData openFileData;
+ ReadFileData readFileData;
+
Util::Thread::LockObject lock;
volatile bool done;
int openFile(const char * path){
Util::Thread::ScopedLock scoped(lock);
done = false;
openFileData.path = path;
openFileData.file = -1;
pp::CompletionCallback callback(&Manager::doOpenFile, this);
core->CallOnMainThread(0, callback, 0);
lock.wait(done);
return openFileData.file;
}
+ bool exists(const string & path){
+ Util::Thread::ScopedLock scoped(lock);
+ done = false;
+ openFileData.path = path.c_str();
+ openFileData.file = -1;
+ pp::CompletionCallback callback(&Manager::doOpenFile, this);
+ core->CallOnMainThread(0, callback, 0);
+ lock.wait(done);
+ return openFileData.file != -1;
+ }
+
+ ssize_t readFile(int fd, void * buffer, size_t count){
+ Util::Thread::ScopedLock scoped(lock);
+ if (fileTable.find(fd) == fileTable.end()){
+ return EBADF;
+ }
+
+ done = false;
+ readFileData.file = fd;
+ readFileData.buffer = buffer;
+ readFileData.count = count;
+ readFileData.read = 0;
+ pp::CompletionCallback callback(&Manager::doReadFile, this);
+ core->CallOnMainThread(0, callback, 0);
+ lock.wait(done);
+ return readFileData.read;
+ }
+
+ static void doReadFile(void * self, int32_t result){
+ Manager * manager = (Manager*) self;
+ manager->continueReadFile();
+ }
+
+ void continueReadFile(){
+ Util::ReferenceCount<NaclRequestOpen> open = fileTable[readFileData.file].convert<NaclRequestOpen>();
+ request = new NaclRequestRead(open->loader, this, readFileData.buffer, readFileData.count);
+ request->start();
+ }
+
/* called by the main thread */
static void doOpenFile(void * self, int32_t result){
Manager * manager = (Manager*) self;
manager->continueOpenFile();
}
void continueOpenFile(){
request = new NaclRequestOpen(instance, openFileData.path, this);
request->start();
}
int nextFileDescriptor(){
int n = next;
next += 1;
return n;
}
void requestComplete(){
lock.lockAndSignal(done, true);
}
void success(NaclRequestOpen & open){
pp::URLResponseInfo info = open.loader.GetResponseInfo();
if (info.GetStatusCode() == 200){
openFileData.file = nextFileDescriptor();
+ fileTable[openFileData.file] = request;
} else {
openFileData.file = -1;
}
requestComplete();
}
void failure(NaclRequestOpen & open){
openFileData.file = -1;
requestComplete();
}
- bool exists(const string & path){
- Util::Thread::ScopedLock scoped(lock);
- done = false;
- openFileData.path = path.c_str();
- openFileData.file = -1;
- pp::CompletionCallback callback(&Manager::doOpenFile, this);
- core->CallOnMainThread(0, callback, 0);
- lock.wait(done);
- return openFileData.file != -1;
- }
-
- /*
- static void doStartOpen(void * self, int32_t result){
- Manager * me = (Manager*) self;
- me->start();
- }
-
- void start(){
- // factory = new pp::CompletionCallbackFactory<Manager>(this);
- request = new NaclRequestOpen(instance, operation.absolute.path(), this);
- // pp::CompletionCallback callback(&Manager::doOnOpen, this);
- // request->start(callback, core);
- request->start();
- }
-
- static void doOnOpen(void * self, int32_t result){
- Manager * me = (Manager*) self;
- me->OnOpen(result);
- }
-
- void OnOpen(int32_t response){
- if (response == 0){
- Global::debug(0) << "Opened!" << std::endl;
- operation.success = true;
- } else {
- Global::debug(0) << "Failed to open :( " << response << std::endl;
- operation.success = false;
- }
-
- run2();
- }
-
- void run(){
- Global::debug(0) << "Requesting a file operation" << std::endl;
-
- // Global::debug(0) << "PPB_URLLoader;0.1 = " << pp::Module::Get()->GetBrowserInterface("PPB_URLLoader;0.1") << std::endl;
-
- Global::debug(0) << "Made request. Making callback.." << std::endl;
- // pp::CompletionCallback callback = factory->NewCallback(&Manager::OnOpen);
- pp::CompletionCallback callback(&Manager::doStartOpen, this);
- Global::debug(0) << "Made callback" << std::endl;
- core->CallOnMainThread(0, callback, 0);
- // request->start(callback, core);
- / * the handler will call into the browser. the browser will asynchounsly
- * call the handler again and the handler will call run2 to finish up
- * /
- Global::debug(0) << "Releasing control back to the browser" << std::endl;
- }
-
- void run2(){
- portal.acquire();
- Global::debug(0) << "File operation done" << std::endl;
- operation.complete = true;
- portal.signal();
- // delete factory;
- // factory = NULL;
- portal.release();
+ void success(NaclRequestRead & request, int read){
+ readFileData.read = read;
+ requestComplete();
}
- */
};
void NaclRequestOpen::finish(int32_t result){
if (result == 0){
manager->success(*this);
} else {
manager->failure(*this);
}
}
+void NaclRequestRead::finish(int32_t result){
+ manager->success(*this, result);
+}
+
NetworkSystem::NetworkSystem(const string & serverPath, pp::Instance * instance, pp::Core * core):
instance(instance),
serverPath(serverPath),
manager(new Manager(instance, core)){
}
/* TODO */
NetworkSystem::~NetworkSystem(){
}
/* TODO */
AbsolutePath NetworkSystem::find(const RelativePath & path){
return Util::getDataPath2().join(path);
}
/* TODO */
RelativePath NetworkSystem::cleanse(const AbsolutePath & path){
return RelativePath();
}
bool NetworkSystem::exists(const RelativePath & path){
try{
AbsolutePath absolute = find(path);
return true;
} catch (const Storage::NotFound & found){
return false;
}
}
/*
class Handler{
public:
Handler(pp::Instance * instance, const AbsolutePath & path, NetworkSystem * system):
request(instance),
loader(instance),
factory(this),
http(false),
system(system){
request.SetURL(path.path());
request.SetMethod("GET");
}
virtual void start(){
pp::CompletionCallback callback = factory.NewCallback(&Handler::OnOpen);
int32_t ok = loader.Open(request, callback);
Global::debug(0) << "Open " << ok << std::endl;
if (ok != PP_OK_COMPLETIONPENDING){
callback.Run(ok);
}
Global::debug(0) << "Callback running" << std::endl;
}
virtual void OnOpen(int32_t ok){
Global::debug(0) << "Opened! " << ok << std::endl;
system->run2();
}
pp::URLRequestInfo request;
pp::URLLoader loader;
pp::CompletionCallbackFactory<Handler> factory;
volatile bool http;
NetworkSystem * system;
};
*/
/*
void NetworkSystem::run(){
// manager->run();
Util::Thread::Id thread;
Util::Thread::createThread(&thread, NULL, &Manager::run, manager);
// manager->run();
}
*/
bool NetworkSystem::exists(const AbsolutePath & path){
/*
Global::debug(0) << "Checking for " << path.path() << std::endl;
pp::CompletionCallback::Block blocking;
pp::CompletionCallback callback(blocking);
pp::URLRequestInfo request(instance);
pp::URLLoader loader(instance);
string url = serverPath + path.path();
Global::debug(0) << "Url: " << url << std::endl;
// request.SetURL(serverPath + path.path());
request.SetURL("/" + path.path());
request.SetMethod("GT");
int32_t ok = loader.Open(request, callback);
Global::debug(0) << "Ok: " << ok << std::endl;
if (ok == PP_OK){
return true;
} else {
return false;
}
*/
return manager->exists(path.path());
#if 0
Global::debug(0) << "Getting portal lock" << std::endl;
if (portal.acquire() != 0){
Global::debug(0) << "Lock failed!" << std::endl;
}
/*
Global::debug(0) << "Getting portal lock again" << std::endl;
if (portal.acquire() != 0){
Global::debug(0) << "Lock failed again!" << std::endl;
}
Global::debug(0) << "Somehow got the portal lock twice??" << std::endl;
*/
operation.type = Exists;
operation.absolute = path;
operation.complete = false;
operation.success = false;
Global::debug(0) << "Request open" << std::endl;
run();
// portal.signal();
Global::debug(0) << "Waiting on portal" << std::endl;
portal.wait(operation.complete);
portal.release();
Global::debug(0) << "Request open complete" << std::endl;
return operation.success;
/*
Handler handler(instance, path);
handler.start();
handler.wait();
return false;
*/
#endif
}
/* TODO */
std::vector<AbsolutePath> NetworkSystem::getFilesRecursive(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive){
std::vector<AbsolutePath> paths;
return paths;
}
/* TODO */
std::vector<AbsolutePath> NetworkSystem::getFiles(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive){
std::vector<AbsolutePath> paths;
return paths;
}
/* TODO */
AbsolutePath NetworkSystem::configFile(){
return AbsolutePath("paintownrc");
}
/* TODO */
AbsolutePath NetworkSystem::userDirectory(){
return AbsolutePath("paintownrc");
}
/* TODO */
std::vector<AbsolutePath> NetworkSystem::findDirectories(const RelativePath & path){
return std::vector<AbsolutePath>();
}
/* TODO */
AbsolutePath NetworkSystem::findInsensitive(const RelativePath & path){
return AbsolutePath();
}
/* TODO */
AbsolutePath NetworkSystem::lookupInsensitive(const AbsolutePath & directory, const RelativePath & path){
return AbsolutePath();
}
int NetworkSystem::libcOpen(const char * path, int mode, int params){
return manager->openFile(path);
}
+
+ssize_t NetworkSystem::libcRead(int fd, void * buf, size_t count){
+ return manager->readFile(fd, buf, count);
+}
}
/* NOTE FIXME Missing I/O in Native Client */
Nacl::NetworkSystem & getSystem(){
return (Nacl::NetworkSystem&) Storage::instance();
}
extern "C" {
/* http://sourceware.org/binutils/docs-2.21/ld/Options.html#index-g_t_002d_002dwrap_003d_0040var_007bsymbol_007d-261
* --wrap=symbol
* Use a wrapper function for symbol. Any undefined reference to symbol will be resolved to __wrap_symbol. Any undefined reference to __real_symbol will be resolved to symbol.
*/
int __wrap_open(const char * path, int mode, int params){
- Global::debug(0, "libc open") << "Opening '" << path << "'" << std::endl;
- int file = getSystem().libcOpen(path, mode, params);
- Global::debug(0, "libc open") << "Opened file " << file << std::endl;
- return file;
+ return getSystem().libcOpen(path, mode, params);
}
ssize_t __wrap_read(int fd, void * buf, size_t count){
- // Global::debug(0) << "Called libc read" << std::endl;
- return EBADF;
+ return getSystem().libcRead(fd, buf, count);
}
int pipe (int filedes[2]){
return -1;
}
int mkdir (const char *filename, mode_t mode){
return -1;
}
int access(const char *filename, int how){
return -1;
}
char * getcwd (char *buffer, size_t size){
return NULL;
}
int lstat (const char *path, struct stat *buf){
return -1;
}
int rmdir (const char *filename){
return -1;
}
int chdir (const char *filename){
return -1;
}
int setuid (uid_t newuid){
return 0;
}
int seteuid (uid_t uid){
return 0;
}
uid_t geteuid (void){
return NULL;
}
int setgid (gid_t gid){
return 0;
}
gid_t getgid (void){
return NULL;
}
int setegid (gid_t gid){
return 0;
}
gid_t getegid (void){
return NULL;
}
char * getlogin (void){
return NULL;
}
uid_t getuid(void){
return NULL;
}
struct passwd * getpwuid (uid_t uid){
return NULL;
}
struct passwd * getpwnam (const char *name){
return NULL;
}
struct group * getgrnam(const char *name){
return NULL;
}
struct group * getgrgid(gid_t gid){
return NULL;
}
int link (const char *oldname, const char *newname){
return -1;
}
int unlink (const char *filename){
return -1;
}
int kill(pid_t pid, int sig){
return -1;
}
}
#endif
diff --git a/util/nacl/network-system.h b/util/nacl/network-system.h
index d393e21b..6faa9935 100644
--- a/util/nacl/network-system.h
+++ b/util/nacl/network-system.h
@@ -1,54 +1,55 @@
#ifndef _paintown_network_system_h
#define _paintown_network_system_h
#ifdef NACL
#include <string>
#include "../file-system.h"
#include "../thread.h"
namespace pp{
class Instance;
class Core;
}
namespace Nacl{
typedef Path::AbsolutePath AbsolutePath;
typedef Path::RelativePath RelativePath;
class Manager;
class NetworkSystem: public Storage::System {
public:
NetworkSystem(const std::string & serverPath, pp::Instance * instance, pp::Core * core);
virtual ~NetworkSystem();
virtual AbsolutePath find(const RelativePath & path);
virtual RelativePath cleanse(const AbsolutePath & path);
virtual bool exists(const RelativePath & path);
virtual bool exists(const AbsolutePath & path);
virtual std::vector<AbsolutePath> getFilesRecursive(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive = false);
virtual std::vector<AbsolutePath> getFiles(const AbsolutePath & dataPath, const std::string & find, bool caseInsensitive = false);
virtual AbsolutePath configFile();
virtual AbsolutePath userDirectory();
virtual std::vector<AbsolutePath> findDirectories(const RelativePath & path);
virtual AbsolutePath findInsensitive(const RelativePath & path);
virtual AbsolutePath lookupInsensitive(const AbsolutePath & directory, const RelativePath & path);
public:
int libcOpen(const char * path, int mode, int params);
+ ssize_t libcRead(int fd, void * buf, size_t count);
protected:
pp::Instance * instance;
pp::Core * core;
std::string serverPath;
/* used to communicate to the main NACL thread */
// Util::Thread::LockObject portal;
Manager * manager;
};
}
#endif
#endif

File Metadata

Mime Type
text/x-diff
Expires
Thu, Jun 11, 10:24 AM (3 w, 5 d ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
68387
Default Alt Text
(18 KB)

Event Timeline