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Win32PtyProcess.cpp
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Win32PtyProcess.cpp
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#include <windows.h>
#include "Win32PtyProcess.h"
#include <deque>
#include <winpty.h>
#include <QDir>
#include <QMutex>
namespace {
class OutputReaderThread : public QThread {
friend class ::Win32PtyProcess;
private:
public:
HANDLE handle;
std::deque<char> *output_queue = nullptr;
std::vector<char> *output_vector = nullptr;
protected:
void run() override;
public:
void start(HANDLE hOutput, std::deque<char> *outq, std::vector<char> *outv);
};
void OutputReaderThread::run()
{
char buf[1024];
while (1) {
if (isInterruptionRequested()) break;
DWORD amount = 0;
BOOL ret = ReadFile(handle, buf, sizeof(buf), &amount, nullptr);
if (!ret || amount == 0) {
break;
}
output_queue->insert(output_queue->end(), buf, buf + amount);
output_vector->insert(output_vector->end(), buf, buf + amount);
}
}
void OutputReaderThread::start(HANDLE hOutput, std::deque<char> *outq, std::vector<char> *outv)
{
handle = hOutput;
output_queue = outq;
output_vector = outv;
QThread::start();
}
} // namespace
// Win32PtyProcess
struct Win32PtyProcess::Private {
QMutex mutex;
QString command;
std::deque<char> output_queue;
std::vector<char> output_vector;
OutputReaderThread th_output_reader;
HANDLE hProcess = INVALID_HANDLE_VALUE;
HANDLE hOutput = INVALID_HANDLE_VALUE;
HANDLE hInput = INVALID_HANDLE_VALUE;
DWORD exit_code = 0;
};
Win32PtyProcess::Win32PtyProcess()
: m(new Private)
{
}
Win32PtyProcess::~Win32PtyProcess()
{
delete m;
}
bool Win32PtyProcess::isRunning() const
{
return QThread::isRunning();
}
QString Win32PtyProcess::getProgram(QString const &cmdline)
{
ushort const *begin = cmdline.utf16();
ushort const *end = begin + cmdline.size();
ushort const *ptr = begin;
bool quote = 0;
while (1) {
ushort c = 0;
if (ptr < end) {
c = *ptr;
}
if (c == '\"') {
if (quote) {
quote = false;
} else {
quote = true;
}
ptr++;
} else if (quote && c != 0) {
ptr++;
} else if (QChar(c).isSpace() || c == 0) {
break;
} else {
ptr++;
}
}
ushort const *left = begin;
ushort const *right = ptr;
if (left + 1 < right) {
if (left[0] == '\"' && right[-1] == '\"') {
left++;
right--;
}
}
return QString::fromUtf16(left, right - left);
}
void Win32PtyProcess::run()
{
QString program;
program = getProgram(m->command);
QString cwd = QDir::currentPath();
QDir::setCurrent(change_dir);
winpty_config_t *agent_cfg = winpty_config_new(WINPTY_FLAG_PLAIN_OUTPUT, nullptr);
winpty_t *pty = winpty_open(agent_cfg, nullptr);
winpty_config_free(agent_cfg);
m->hInput = CreateFileW(winpty_conin_name(pty), GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, 0, nullptr);
m->hOutput = CreateFileW(winpty_conout_name(pty), GENERIC_READ, 0, nullptr, OPEN_EXISTING, 0, nullptr);
m->th_output_reader.start(m->hOutput, &m->output_queue, &m->output_vector);
winpty_spawn_config_t *spawn_cfg = winpty_spawn_config_new(WINPTY_SPAWN_FLAG_AUTO_SHUTDOWN, (wchar_t const *)program.utf16(), (wchar_t const *)m->command.utf16(), nullptr, nullptr, nullptr);
BOOL spawnSuccess = winpty_spawn(pty, spawn_cfg, &m->hProcess, nullptr, nullptr, nullptr);
bool ok = false;
if (spawnSuccess) {
while (1) {
if (isInterruptionRequested()) break;
GetExitCodeProcess(m->hProcess, &m->exit_code);
if (m->exit_code == STILL_ACTIVE) {
// running
msleep(1);
} else {
ok = true;
break;
}
}
}
// プロセスの出力を確実に取得するため、ここで output reader スレッドの終了を待つ
m->th_output_reader.wait();
winpty_free(pty);
CloseHandle(m->hInput);
CloseHandle(m->hOutput);
CloseHandle(m->hProcess);
m->hInput = INVALID_HANDLE_VALUE;
m->hOutput = INVALID_HANDLE_VALUE;
m->hProcess = INVALID_HANDLE_VALUE;
emit completed(ok, user_data);
QDir::setCurrent(cwd);
}
int Win32PtyProcess::readOutput(char *dstptr, int maxlen)
{
int len = m->output_queue.size();
if (len > maxlen) {
len = maxlen;
}
if (len > 0) {
auto begin = m->output_queue.begin();
std::copy(begin, begin + len, dstptr);
m->output_queue.erase(begin, begin + len);
}
return len;
}
void Win32PtyProcess::writeInput(char const *ptr, int len)
{
char const *begin = ptr;
char const *end = begin + len;
char const *left = begin;
char const *right = begin;
while (1) {
int c = -1;
if (right < end) {
c = *right & 0xff;
}
if (c == '\r' || c == '\n' || c < 0) {
if (left < right) {
DWORD written;
WriteFile(m->hInput, left, right - left, &written, nullptr);
}
if (c < 0) break;
right++;
if (c == '\r') {
if (*right == '\n') {
right++;
}
c = '\r';
} else if (c == '\n') {
c = '\r';
} else {
c = -1;
}
if (c >= 0) {
DWORD written;
WriteFile(m->hInput, &c, 1, &written, nullptr);
}
left = right;
} else {
right++;
}
}
}
void Win32PtyProcess::start(QString const &cmdline, QVariant const &userdata)
{
if (isRunning()) return;
m->command = cmdline;
this->user_data = userdata;
QThread::start();
}
bool Win32PtyProcess::wait(unsigned long time)
{
return QThread::wait(time) && m->th_output_reader.wait(time);
}
void Win32PtyProcess::stop()
{
// 標準出力読み出しスレッドを強制終了しないとwinptyプロセスが終了してくれない
m->th_output_reader.terminate();
// プロセススレッド停止
requestInterruption();
wait();
}
int Win32PtyProcess::getExitCode() const
{
return m->exit_code;
}
QString Win32PtyProcess::getMessage() const
{
QString s;
if (!m->output_vector.empty()) {
s = QString::fromUtf8(&m->output_vector[0], m->output_vector.size());
}
return s;
}
void Win32PtyProcess::readResult(std::vector<char> *out)
{
*out = m->output_vector;
m->output_vector.clear();
}

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Win32PtyProcess.cpp (5 KB)

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