Sweden-Number/dlls/wevtsvc/wevtsvc.c

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/*
* Event Log Service
*
* Copyright 2020 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winsvc.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(eventlog);
static SERVICE_STATUS_HANDLE svc_handle;
static HANDLE done_event;
static void eventlog_update_status(DWORD state)
{
SERVICE_STATUS status;
status.dwServiceType = SERVICE_WIN32;
status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
status.dwWin32ExitCode = 0;
status.dwServiceSpecificExitCode = 0;
status.dwCheckPoint = 0;
status.dwWaitHint = 0;
status.dwControlsAccepted = 0;
status.dwCurrentState = state;
SetServiceStatus(svc_handle, &status);
}
static void WINAPI eventlog_handler(DWORD control)
{
TRACE("%#x\n", control);
switch (control)
{
case SERVICE_CONTROL_STOP:
case SERVICE_CONTROL_SHUTDOWN:
eventlog_update_status(SERVICE_STOP_PENDING);
SetEvent(done_event);
break;
default:
eventlog_update_status(SERVICE_RUNNING);
break;
}
}
void WINAPI ServiceMain(DWORD argc, LPWSTR *argv)
{
TRACE("starting Event Log Service\n");
svc_handle = RegisterServiceCtrlHandlerW(L"EventLog", eventlog_handler);
if (!svc_handle)
{
ERR("RegisterServiceCtrlHandler error %u\n", GetLastError());
return;
}
eventlog_update_status(SERVICE_RUNNING);
done_event = CreateEventW(NULL, TRUE, FALSE, NULL);
WaitForSingleObject(done_event, INFINITE);
CloseHandle(done_event);
eventlog_update_status(SERVICE_STOPPED);
TRACE("exiting Event Log Service\n");
}