C++ 启动和停止电脑中的服务

﹏ヽ暗。殇╰゛Y 2022-07-15 07:54 455阅读 0赞

#define SERVICE_NO_ERROR 0
    #define OPEN_SCMANAGER_ERROR 2
    #define OPEN_SERVICE_ERROR 3
    #define QUERY_SERVICESTATUS_ERROR 4
    #define STOP_SERVICE_ERROR 5
    #define START_SERVICE_ERROR 6
    
    
    int CPmsAndOneCardDlg::RestartService()
    {
    
        // 打开服务管理对象
        SC_HANDLE hSC = ::OpenSCManager( NULL,
            NULL, GENERIC_EXECUTE);
        if( hSC == NULL)
        {      
            return OPEN_SCMANAGER_ERROR;
        }
        // 打开apache服务。
        SC_HANDLE hSvc = ::OpenService( hSC, "apache",
            SERVICE_START | SERVICE_QUERY_STATUS | SERVICE_STOP);
        if( hSvc == NULL)
        {
            ::CloseServiceHandle( hSC);
            return OPEN_SERVICE_ERROR;
        }
        // 获得服务的状态
        SERVICE_STATUS status;
        if( ::QueryServiceStatus( hSvc, &status) == FALSE)
        {
            ::CloseServiceHandle( hSvc);
            ::CloseServiceHandle( hSC);
            return QUERY_SERVICESTATUS_ERROR;
        }
        //如果处于运行状态则停止服务
        if( status.dwCurrentState == SERVICE_RUNNING)
        {
            // 停止服务
            if( ::ControlService( hSvc,
                SERVICE_CONTROL_STOP, &status) == FALSE)
            {
                ::CloseServiceHandle( hSvc);
                ::CloseServiceHandle( hSC);
                return STOP_SERVICE_ERROR;
            }
            // 等待服务停止
            while( ::QueryServiceStatus( hSvc, &status) == TRUE)
            {
                ::Sleep( status.dwWaitHint);
                if( status.dwCurrentState == SERVICE_STOPPED)
                {
                    break;
                }
            }
        }
       
        // 启动服务
        if( ::StartService( hSvc, NULL, NULL) == FALSE)
        {
            ::CloseServiceHandle( hSvc);
            ::CloseServiceHandle( hSC);
            return START_SERVICE_ERROR;
        }
        // 等待服务启动
        while( ::QueryServiceStatus( hSvc, &status) == TRUE)
        {
            ::Sleep( status.dwWaitHint);
            if( status.dwCurrentState == SERVICE_RUNNING)
            {          
                break;
            }
        }
       
        ::CloseServiceHandle( hSvc);
        ::CloseServiceHandle( hSC);
        return SERVICE_NO_ERROR;
    }