C++ 检查Windows服务运行状态

本文转载自查看原文 2018-01-26 10:41 1627 Windows

检查Windows服务运行状态

    C++ Code  
 

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#include <iostream>
#include <tchar.h>
#include <Windows.h>

using namespace std;
/*  检查Windows服务状态信息
    使用API:
    OpenSCManager
    OpenService
    QueryServiceStatusEx
*/
int main( void )
{
    TCHAR szSvcName[]       = _T( "HistorySvr" );
    SC_HANDLE schSCManager  = NULL ;
    SC_HANDLE schService    = NULL ;

    SERVICE_STATUS_PROCESS ssStatus;
    DWORD dwOldCheckPoint   = 0 ;
    DWORD dwStartTickCount  = 0 ;
    DWORD dwWaitTime        = 0 ;
    DWORD dwBytesNeeded     = 0 ;

     // Get a handle to the SCM database.

    schSCManager = OpenSCManager(
                        NULL ,                                 // local computer
                        NULL ,                                 // ServicesActive database
                       SC_MANAGER_ALL_ACCESS);               // full access rights

     if ( NULL == schSCManager)
    {
        printf( "OpenSCManager failed (%d)\n" , GetLastError());

    }

     // Get a handle to the service.

    schService = OpenService(
                     schSCManager,                       // SCM database
                     szSvcName,                          // name of service
                     SERVICE_QUERY_STATUS |
                     SERVICE_ENUMERATE_DEPENDENTS);      // full access

     if (schService == NULL )
    {
        printf( "OpenService failed (%d)\n" , GetLastError());
        CloseServiceHandle(schSCManager);

    }

     // Check the status in case the service is not stopped.

     if (!QueryServiceStatusEx(
                schService,                          // handle to service
                SC_STATUS_PROCESS_INFO,              // information level
                (LPBYTE) &ssStatus,                  // address of structure
                 sizeof (SERVICE_STATUS_PROCESS),      // size of structure
                &dwBytesNeeded ) )                   // size needed if buffer is too small
    {
        printf( "QueryServiceStatusEx failed (%d)\n" , GetLastError());
        CloseServiceHandle(schService);
        CloseServiceHandle(schSCManager);
    }
     else
    {
         // Check if the service is already running. It would be possible
         // to stop the service here, but for simplicity this example just returns.
        printf( "Service status: " );
         switch (ssStatus.dwCurrentState)
        {
         case SERVICE_STOPPED:
         case SERVICE_STOP_PENDING:
            printf( "Stop" );
             break ;
         case SERVICE_PAUSED:
         case SERVICE_PAUSE_PENDING:
            printf( "Pause" );
             break ;
         case SERVICE_CONTINUE_PENDING:
         case SERVICE_RUNNING:
         case SERVICE_START_PENDING:
            printf( "Running" );
             break ;
        }
        cout << endl;
    }

    cin.get();
     return 0 ;
}

　　PS：请以管理员权限运行该程序，VS配置如下：

　　参考：https://msdn.microsoft.com/en-us/library/bb540474(v=VS.85).aspx

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