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166 lines
4.6 KiB
166 lines
4.6 KiB
/******************************************************************************
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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dllmain.cpp
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Revision History:
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derekm 02/28/2001 created
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******************************************************************************/
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#include "stdafx.h"
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//////////////////////////////////////////////////////////////////////////////
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// globals
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struct SServiceOps
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{
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SERVICE_STATUS_HANDLE hss;
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SERVICE_STATUS ss;
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HANDLE hev;
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HANDLE hwait;
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HANDLE hevStartDone;
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};
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CRITICAL_SECTION g_csReqs;
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HANDLE g_hevSvcStop = NULL;
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HINSTANCE g_hInstance = NULL;
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//////////////////////////////////////////////////////////////////////////////
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// DllMain
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// ***************************************************************************
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extern "C"
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BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID)
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{
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BOOL fRet = TRUE;
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switch(dwReason)
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{
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case DLL_PROCESS_ATTACH:
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g_hInstance = hInstance;
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DisableThreadLibraryCalls(hInstance);
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__try { InitializeCriticalSection(&g_csReqs); }
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__except (EXCEPTION_EXECUTE_HANDLER) { fRet = FALSE;}
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InitializeSvcDataStructs();
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break;
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case DLL_PROCESS_DETACH:
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DeleteCriticalSection(&g_csReqs);
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break;
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}
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return fRet;
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}
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//////////////////////////////////////////////////////////////////////////////
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// Service functions
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// ***************************************************************************
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DWORD WINAPI HandlerEx(DWORD dwControl, DWORD dwEventType, LPVOID lpEventData,
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LPVOID lpContext)
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{
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HANDLE hevShutdown = (HANDLE)lpContext;
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switch(dwControl)
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{
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case SERVICE_CONTROL_STOP:
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if (g_hevSvcStop != NULL)
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SetEvent(g_hevSvcStop);
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break;
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case SERVICE_CONTROL_PAUSE:
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case SERVICE_CONTROL_CONTINUE:
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case SERVICE_CONTROL_INTERROGATE:
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break;
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case SERVICE_CONTROL_SHUTDOWN:
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if (g_hevSvcStop != NULL)
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SetEvent(g_hevSvcStop);
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break;
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default:
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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return NOERROR;
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}
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// ***************************************************************************
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void WINAPI ServiceMain(DWORD dwArgc, LPWSTR *lpszArgv)
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{
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SERVICE_STATUS_HANDLE hss;
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SERVICE_STATUS ss;
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CAutoUnlockCS aucs(&g_csReqs);
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SRequest *rgReqs = NULL;
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HANDLE hevShutdown = NULL;
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WCHAR wszMod[MAX_PATH];
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DWORD dw, cReqs;
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BOOL fRet;
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INIT_TRACING;
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// if lpszArgv is NULL or the ER service is not the one to be started
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// then bail...
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if (lpszArgv == NULL || _wcsicmp(lpszArgv[0], L"ersvc") != 0)
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return;
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g_hevSvcStop = CreateEventW(NULL, TRUE, FALSE, NULL);
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if (g_hevSvcStop == NULL)
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return;
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hss = RegisterServiceCtrlHandlerExW(c_wszERSvc, HandlerEx,
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(LPVOID)&g_hevSvcStop);
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// set up the status structure & set the initial status
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ss.dwControlsAccepted = SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_STOP;
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ss.dwCurrentState = SERVICE_START_PENDING;
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ss.dwServiceType = SERVICE_WIN32_SHARE_PROCESS;
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ss.dwServiceSpecificExitCode = 0;
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ss.dwWin32ExitCode = 0;
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ss.dwCheckPoint = 0;
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ss.dwWaitHint = 1000;
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SetServiceStatus(hss, &ss);
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// start up the waits
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fRet = StartERSvc(hss, ss, &rgReqs, &cReqs);
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if (fRet == FALSE)
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goto done;
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// yay! we're all happily running now...
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ss.dwCurrentState = SERVICE_RUNNING;
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ss.dwCheckPoint++;
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SetServiceStatus(hss, &ss);
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fRet = ProcessRequests(rgReqs, cReqs);
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// set ourselves as in the process of stopping
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ss.dwCurrentState = SERVICE_STOP_PENDING;
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ss.dwCheckPoint = 0;
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SetServiceStatus(hss, &ss);
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// stop all the waits
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__try { StopERSvc(hss, ss, rgReqs, cReqs); }
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__except(EXCEPTION_EXECUTE_HANDLER) { }
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SetLastError(0);
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done:
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if (g_hevSvcStop != NULL)
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CloseHandle(g_hevSvcStop);
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if (rgReqs != NULL)
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MyFree(rgReqs);
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ss.dwWin32ExitCode = GetLastError();
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ss.dwCurrentState = SERVICE_STOPPED;
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SetServiceStatus(hss, &ss);
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TERM_TRACING;
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return;
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}
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