mirror of https://github.com/kiwix/libkiwix.git
94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
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#include "subprocess_windows.h"
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#include <windows.h>
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#include <winbase.h>
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#include <iostream>
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#include <sstream>
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WinImpl::WinImpl():
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m_pid(0),
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m_running(false),
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m_handle(INVALID_HANDLE_VALUE)
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{
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InitializeCriticalSection(&m_criticalSection);
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}
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WinImpl::~WinImpl()
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{
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kill();
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CloseHandle(m_handle);
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DeleteCriticalSection(&m_criticalSection);
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}
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DWORD WINAPI WinImpl::waitForPID(void* _self)
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{
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WinImpl* self = static_cast<WinImpl*>(_self);
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WaitForSingleObject(self->m_handle, INFINITE);
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EnterCriticalSection(&self->m_criticalSection);
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self->m_running = false;
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LeaveCriticalSection(&self->m_criticalSection);
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return 0;
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}
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std::unique_ptr<wchar_t[]> toWideChar(const std::string& value)
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{
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auto size = MultiByteToWideChar(CP_UTF8, 0,
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value.c_str(), -1, nullptr, 0);
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auto wdata = std::unique_ptr<wchar_t[]>(new wchar_t[size]);
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auto ret = MultiByteToWideChar(CP_UTF8, 0,
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value.c_str(), -1, wdata.get(), size);
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if (0 == ret) {
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std::ostringstream oss;
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oss << "Cannot convert to wchar : " << GetLastError();
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throw std::runtime_error(oss.str());
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}
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return wdata;
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}
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void WinImpl::run(commandLine_t& commandLine)
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{
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STARTUPINFOW startInfo = {0};
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PROCESS_INFORMATION procInfo;
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startInfo.cb = sizeof(startInfo);
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std::ostringstream oss;
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for(auto& item: commandLine) {
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oss << item << " ";
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}
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auto wCommandLine = toWideChar(oss.str());
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if (CreateProcessW(
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NULL,
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wCommandLine.get(),
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NULL,
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NULL,
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false,
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CREATE_NO_WINDOW,
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NULL,
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NULL,
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&startInfo,
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&procInfo)) {
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m_pid = procInfo.dwProcessId;
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m_handle = procInfo.hProcess;
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CloseHandle(procInfo.hThread);
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m_running = true;
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CreateThread(NULL, 0, &waitForPID, this, 0, NULL );
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}
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}
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bool WinImpl::kill()
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{
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return TerminateProcess(m_handle, 0);
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}
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bool WinImpl::isRunning()
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{
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EnterCriticalSection(&m_criticalSection);
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bool ret = m_running;
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LeaveCriticalSection(&m_criticalSection);
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return ret;
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}
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