466 lines
14 KiB
C++
466 lines
14 KiB
C++
/*******************************************************************************
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*
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* 模 块 名：DBService 文件名：DBService.c
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* 相关文件：DBService.h
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* 提交日期：2012.2.1 作 者：Alex
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* 版 本：0.1
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* 模块描述:
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* 本模块提供了Service程序的框架
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* main(int argc, char **argv);
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* service_ctrl(DWORD dwCtrlCode);
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* service_main(DWORD dwArgc, LPTSTR *lpszArgv);
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* CmdInstallService();
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* CmdRemoveService();
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* CmdDebugService(int argc, char **argv);
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* ControlHandler ( DWORD dwCtrlType );
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* GetLastErrorText( LPTSTR lpszBuf, DWORD dwSize );
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* 修改记录：
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* 日 期 版本 修改人 修改内容
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*
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*
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*******************************************************************************/
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#ifdef _WIN32
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <process.h>
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#include <tchar.h>
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#define _DBSERVICE_C
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#include "DBService.h"
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#undef _DBSERVICE_C
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// internal variables
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SERVICE_STATUS ssStatus; // current status of the service
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SERVICE_STATUS_HANDLE sshStatusHandle;
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DWORD dwErr = 0;
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TCHAR szErr[256];
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char SZDEPENDENCIES[10] = "";
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// internal function prototypes
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VOID WINAPI service_ctrl(DWORD dwCtrlCode);
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VOID WINAPI ServiceMain(DWORD dwArgc, LPTSTR *lpszArgv);
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VOID CmdInstallService();
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VOID CmdRemoveService();
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VOID CmdDebugService(int argc, char **argv);
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BOOL WINAPI ControlHandler ( DWORD dwCtrlType );
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// main() either performs the command line task, or
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// call StartServiceCtrlDispatcher to register the
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// main service thread. When the this call returns,
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// the service has stopped, so exit.
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//
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//void _CRTAPI1 main(int argc, char **argv)
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int __cdecl _tmain(int argc, TCHAR *argv[])
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{
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SERVICE_TABLE_ENTRY dispatchTable[] = {
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{ TEXT(SZSERVICENAME), (LPSERVICE_MAIN_FUNCTION)ServiceMain },
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{ NULL, NULL }
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};
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if ( (argc > 1) &&((*argv[1] == '-') || (*argv[1] == '/')) ){
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int cmd = 0;
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if ( _stricmp( "install", argv[1]+1 ) == 0 ){
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if( argc>2 ){
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strcpy( SZDEPENDENCIES, argv[2] );
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}
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cmd = 1;
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}
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else if ( _stricmp( "remove", argv[1]+1 ) == 0 ){
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cmd = 2;
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}
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else if ( _stricmp( "debug", argv[1]+1 ) == 0 ){
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g_eDebug = 4;
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if( argc>2 ){
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if ( _stricmp( "f", argv[2] ) == 0 ){
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g_eDebug = 1;
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}
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else if ( _stricmp( "n", argv[2] ) == 0 ){
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g_eDebug = 2;
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}
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else if ( _stricmp( "s", argv[2] ) == 0 ){
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g_eDebug = 3;
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}
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}
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cmd = 3;
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}
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else if( _stricmp( "check", argv[1]+1 ) == 0 && argc>2 ){
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g_iChkStyle = atoi(argv[2]);
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if( g_iChkStyle>0 ){
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g_eDebug = 3;
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cmd = 3;
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}
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}
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if( cmd==1 ){
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CmdInstallService();
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}
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else if( cmd==2 ){
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CmdRemoveService();
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}
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else if( cmd==3 ){
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CmdDebugService(argc, argv);
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}
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else{
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// this is just to be friendly
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printf( "%s -install <params> to install the service\n", SZAPPNAME );
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printf( "%s -remove to remove the service\n", SZAPPNAME );
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printf( "%s -debug <params> to run as a console app for debugging\n", SZAPPNAME );
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printf( "%s -check <index> to run as a console app for check style\n", SZAPPNAME );
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printf( "\nStartServiceCtrlDispatcher being called.\n" );
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printf( "This may take several seconds. Please wait.\n" );
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}
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return 0;
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}
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// if it doesn't match any of the above parameters
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// the service control manager may be starting the service
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// so we must call StartServiceCtrlDispatcher
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if (!StartServiceCtrlDispatcher(dispatchTable))
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AddToMessageLog(TEXT("StartServiceCtrlDispatcher failed."));
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return 0;
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}
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// This routine performs the service initialization and then calls
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// the user defined ServiceStart() routine to perform majority
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// of the work.
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//
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void WINAPI ServiceMain(DWORD dwArgc, LPTSTR *lpszArgv)
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{
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// register our service control handler:
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sshStatusHandle = RegisterServiceCtrlHandler( TEXT(SZSERVICENAME), service_ctrl);
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if (!sshStatusHandle)
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goto cleanup;
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// SERVICE_STATUS members that don't change in example
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ssStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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ssStatus.dwServiceSpecificExitCode = 0;
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// report the status to the service control manager.
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if (!ReportStatusToSCMgr(
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SERVICE_START_PENDING, // service state
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NO_ERROR, // exit code
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3000)) // wait hint
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goto cleanup;
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ServiceStart( dwArgc, lpszArgv );
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cleanup:
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// try to report the stopped status to the service control manager.
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if (sshStatusHandle)
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(VOID)ReportStatusToSCMgr(
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SERVICE_STOPPED,
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dwErr,
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0);
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printf( "%s stopped the service\n", SZAPPNAME );
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// getchar();
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return;
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}
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//This function is called by the SCM whenever
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//ControlService() is called on this service.
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VOID WINAPI service_ctrl(DWORD dwCtrlCode)
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{
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// Handle the requested control code.
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//
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switch(dwCtrlCode){
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// Stop the service.
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// SERVICE_STOP_PENDING should be reported before
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// setting the Stop Event - hServerStopEvent - in
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// ServiceStop(). This avoids a race condition
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// which may result in a 1053 - The Service did not respond...
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// error.
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case SERVICE_CONTROL_STOP:
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ReportStatusToSCMgr(SERVICE_STOP_PENDING, NO_ERROR, 0);
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ServiceStop();
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return;
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// Update the service status.
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case SERVICE_CONTROL_INTERROGATE:
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break;
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// invalid control code
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default:
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break;
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}
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ReportStatusToSCMgr(ssStatus.dwCurrentState, NO_ERROR, 0);
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}
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//Sets the current status of the service and
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//reports it to the Service Control Manager
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BOOL ReportStatusToSCMgr(DWORD dwCurrentState,
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DWORD dwWin32ExitCode,
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DWORD dwWaitHint)
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{
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static DWORD dwCheckPoint = 1;
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BOOL fResult = TRUE;
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if( g_eDebug==0 ){
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if (dwCurrentState == SERVICE_START_PENDING)
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ssStatus.dwControlsAccepted = 0;
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else
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ssStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
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ssStatus.dwCurrentState = dwCurrentState;
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ssStatus.dwWin32ExitCode = dwWin32ExitCode;
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ssStatus.dwWaitHint = dwWaitHint;
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if ( ( dwCurrentState == SERVICE_RUNNING ) ||
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( dwCurrentState == SERVICE_STOPPED ) )
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ssStatus.dwCheckPoint = 0;
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else
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ssStatus.dwCheckPoint = dwCheckPoint++;
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// Report the status of the service to the service control manager.
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//
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if (!(fResult = SetServiceStatus( sshStatusHandle, &ssStatus))){
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AddToMessageLog(TEXT("SetServiceStatus"));
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}
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}
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return fResult;
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}
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//Allows any thread to log an error message
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VOID AddToMessageLog(LPTSTR lpszMsg)
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{
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TCHAR szMsg[256];
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HANDLE hEventSource;
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LPCTSTR lpszStrings[2];
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// if ( g_eDebug<0 ){
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dwErr = GetLastError();
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// Use event logging to log the error.
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//
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hEventSource = RegisterEventSource(NULL, TEXT(SZSERVICENAME));
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_stprintf(szMsg, TEXT("%s error: %d"), TEXT(SZSERVICENAME), dwErr);
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lpszStrings[0] = szMsg;
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lpszStrings[1] = lpszMsg;
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if (hEventSource != NULL) {
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ReportEvent(hEventSource, // handle of event source
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EVENTLOG_ERROR_TYPE, // event type
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0, // event category
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0, // event ID
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NULL, // current user's SID
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2, // strings in lpszStrings
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0, // no bytes of raw data
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lpszStrings, // array of error strings
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NULL); // no raw data
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(VOID) DeregisterEventSource(hEventSource);
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}
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// }
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}
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//Installs the service
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void CmdInstallService()
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{
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SC_HANDLE schService;
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SC_HANDLE schSCManager;
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TCHAR szPath[512];
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DWORD dwBytesNeeded;
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if ( GetModuleFileName( NULL, szPath, 512 ) == 0 ){
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_tprintf(TEXT("Unable to install %s - %s\n"), TEXT(SZSERVICEDISPLAYNAME), GetLastErrorText(szErr, 256));
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return;
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}
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schSCManager = OpenSCManager(
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NULL, // machine (NULL == local)
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NULL, // database (NULL == default)
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SC_MANAGER_ALL_ACCESS // access required
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);
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if ( schSCManager ){
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schService = CreateService(
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schSCManager, // SCManager database
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TEXT(SZSERVICENAME), // name of service
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TEXT(SZSERVICEDISPLAYNAME), // name to display
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SERVICE_ALL_ACCESS, // desired access
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SERVICE_WIN32_OWN_PROCESS, // service type
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SERVICE_AUTO_START, // start type
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SERVICE_ERROR_NORMAL, // error control type
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szPath, // service's binary
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NULL, // no load ordering group
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NULL, // no tag identifier
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TEXT(SZDEPENDENCIES), // dependencies
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NULL, // LocalSystem account
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NULL); // no password
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if ( schService ){
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_tprintf(TEXT("%s installed.\n"), TEXT(SZSERVICEDISPLAYNAME) );
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if( !StartService(schService, 0, NULL) ){
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printf("StartService failed (%d)\n", GetLastError());
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CloseServiceHandle(schService);
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CloseServiceHandle(schSCManager);
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return;
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}
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if (!QueryServiceStatusEx(
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schService, // handle to service
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SC_STATUS_PROCESS_INFO, // info level
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(LPBYTE) &ssStatus, // address of structure
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sizeof(SERVICE_STATUS_PROCESS), // size of structure
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&dwBytesNeeded ) ) // if buffer too small
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{
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return;
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}
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CloseServiceHandle(schService);
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}
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else{
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_tprintf(TEXT("CreateService failed - %s\n"), GetLastErrorText(szErr, 256));
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}
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CloseServiceHandle(schSCManager);
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}
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else
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_tprintf(TEXT("OpenSCManager failed - %s\n"), GetLastErrorText(szErr,256));
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}
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// PURPOSE: Stops and removes the service
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void CmdRemoveService()
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{
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SC_HANDLE schService;
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SC_HANDLE schSCManager;
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schSCManager = OpenSCManager(
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NULL, // machine (NULL == local)
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NULL, // database (NULL == default)
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SC_MANAGER_ALL_ACCESS // access required
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);
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if ( schSCManager ){
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schService = OpenService(schSCManager, TEXT(SZSERVICENAME), SERVICE_ALL_ACCESS);
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if (schService){
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// try to stop the service
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if ( ControlService( schService, SERVICE_CONTROL_STOP, &ssStatus ) ){
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_tprintf(TEXT("Stopping %s."), TEXT(SZSERVICEDISPLAYNAME));
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Sleep( 1000 );
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while( QueryServiceStatus( schService, &ssStatus ) ){
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if ( ssStatus.dwCurrentState == SERVICE_STOP_PENDING ){
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_tprintf(TEXT("."));
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Sleep( 1000 );
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}
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else
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break;
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}
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if ( ssStatus.dwCurrentState == SERVICE_STOPPED )
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_tprintf(TEXT("\n%s stopped.\n"), TEXT(SZSERVICEDISPLAYNAME) );
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else
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_tprintf(TEXT("\n%s failed to stop.\n"), TEXT(SZSERVICEDISPLAYNAME) );
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}
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// now remove the service
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if( DeleteService(schService) )
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_tprintf(TEXT("%s removed.\n"), TEXT(SZSERVICEDISPLAYNAME) );
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else
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_tprintf(TEXT("DeleteService failed - %s\n"), GetLastErrorText(szErr,256));
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CloseServiceHandle(schService);
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}
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else
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_tprintf(TEXT("OpenService failed - %s\n"), GetLastErrorText(szErr,256));
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CloseServiceHandle(schSCManager);
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}
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else
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_tprintf(TEXT("OpenSCManager failed - %s\n"), GetLastErrorText(szErr,256));
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}
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//Runs the service as a console application
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void CmdDebugService(int argc, char ** argv)
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{
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DWORD dwArgc;
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LPTSTR *lpszArgv;
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#ifdef UNICODE
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lpszArgv = CommandLineToArgvW(GetCommandLineW(), &(dwArgc) );
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#else
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dwArgc = (DWORD) argc;
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lpszArgv = argv;
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#endif
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_tprintf(TEXT("Debugging %s.\n"), TEXT(SZSERVICEDISPLAYNAME));
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_tprintf(TEXT("Press Ctl+C to stop %s...\n"), TEXT(SZSERVICEDISPLAYNAME));
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SetConsoleCtrlHandler( ControlHandler, TRUE );
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ServiceStart( dwArgc, lpszArgv );
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}
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//Handled console control events
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BOOL WINAPI ControlHandler ( DWORD dwCtrlType )
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{
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switch( dwCtrlType ){
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case CTRL_BREAK_EVENT: // use Ctrl+C or Ctrl+Break to simulate
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case CTRL_C_EVENT: // SERVICE_CONTROL_STOP in debug mode
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_tprintf(TEXT("Stopping %s.\n"), TEXT(SZSERVICEDISPLAYNAME));
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ServiceStop();
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return TRUE;
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break;
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}
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return FALSE;
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}
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//copies error message text to string
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LPTSTR GetLastErrorText( LPTSTR lpszBuf, DWORD dwSize )
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{
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DWORD dwRet;
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LPTSTR lpszTemp = NULL;
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dwRet = FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |FORMAT_MESSAGE_ARGUMENT_ARRAY,
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NULL,
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GetLastError(),
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LANG_NEUTRAL,
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(LPTSTR)&lpszTemp,
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0,
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NULL );
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// supplied buffer is not long enough
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if ( !dwRet || ( (long)dwSize < (long)dwRet+14 ) )
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lpszBuf[0] = TEXT('\0');
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else{
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lpszTemp[lstrlen(lpszTemp)-2] = TEXT('\0'); //remove cr and newline character
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_stprintf( lpszBuf, TEXT("%s (0x%x)"), lpszTemp, GetLastError() );
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}
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if ( lpszTemp )
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LocalFree((HLOCAL) lpszTemp );
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return lpszBuf;
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}
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#endif |