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Copy pathSignalsHandles.cpp
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169 lines (129 loc) · 2.88 KB
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#include "SignalsHandles.h"
#include <signal.h>
HttpServer::Server *globalServerPtr = nullptr;
void handlerSigTerm(int sig)
{
if (globalServerPtr)
{
globalServerPtr->stopProcess();
}
}
void handlerSigInt(int sig)
{
if (globalServerPtr)
{
globalServerPtr->stopProcess();
}
}
void handlerSigUsr1(int sig)
{
if (globalServerPtr)
{
globalServerPtr->setRestart();
globalServerPtr->stopProcess();
}
}
void handlerSigUsr2(int sig)
{
if (globalServerPtr)
{
globalServerPtr->setUpdateModule();
globalServerPtr->unsetProcess();
globalServerPtr->setProcessQueue();
}
}
#ifdef WIN32
/**
* Note: PostQuitMessage(0)
* It doesn't work in case the program was launched and was
* attempted to finish under different remote sessions.
*/
::LRESULT CALLBACK WndProc(::HWND hWnd, ::UINT message, ::WPARAM wParam, ::LPARAM lParam)
{
switch (message)
{
case SIGTERM:
{
handlerSigTerm(message);
::PostMessage(hWnd, WM_QUIT, 0, 0); // Fuck ::PostQuitMessage(0);
break;
}
case SIGINT:
{
handlerSigInt(message);
::PostMessage(hWnd, WM_QUIT, 0, 0); // Fuck ::PostQuitMessage(0);
break;
}
case SIGUSR1:
{
handlerSigUsr1(message);
break;
}
case SIGUSR2:
{
handlerSigUsr2(message);
break;
}
default:
{
return ::DefWindowProc(hWnd, message, wParam, lParam);
}
}
return 0;
}
::WPARAM mainMessageLoop(::HINSTANCE hInstance, HttpServer::Event *pCreatedWindow)
{
::HWND hWnd = ::CreateWindow(myWndClassName, nullptr, 0, CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, nullptr, nullptr, hInstance, nullptr);
pCreatedWindow->notify();
if (0 == hWnd)
{
return 0;
}
::MSG msg;
while (::GetMessage(&msg, hWnd, 0, 0) )
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
return msg.wParam;
}
#endif
int bindSignalsHandles(HttpServer::Server *server)
{
globalServerPtr = server;
#ifdef WIN32
const int sig_int = 2; // SIGINT
const int sig_term = 15; // SIGTERM
::signal(sig_int, handlerSigInt);
::signal(sig_term, handlerSigTerm);
::_set_abort_behavior(0, _WRITE_ABORT_MSG);
::HINSTANCE hInstance = ::GetModuleHandle(nullptr);
::WNDCLASSEX wcex = {
sizeof(::WNDCLASSEX)
};
wcex.lpfnWndProc = WndProc;
wcex.hInstance = hInstance;
wcex.lpszClassName = myWndClassName;
if (0 == ::RegisterClassEx(&wcex) )
{
return 0;
}
HttpServer::Event createdWindow;
threadMessageLoop = std::thread(mainMessageLoop, hInstance, &createdWindow);
createdWindow.wait();
#elif POSIX
struct ::sigaction act = {0};
act.sa_handler = handlerSigInt;
::sigaction(SIGINT, &act, nullptr);
act.sa_handler = handlerSigTerm;
::sigaction(SIGTERM, &act, nullptr);
act.sa_handler = handlerSigUsr1;
::sigaction(SIGUSR1, &act, nullptr);
act.sa_handler = handlerSigUsr2;
::sigaction(SIGUSR2, &act, nullptr);
#else
#error "Undefine platform"
#endif
return 1;
}