VC关于windows服务状态更改
更改服务状态
[cpp] // Purpose:
// Disables the service.
//
// Parameters:
// None
//
// Return value:
// None
//
VOID __stdcall DoDisableSvc()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
// 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());
return;
}
// Get a handle to the service.
schService = OpenService(
schSCManager, // SCM database
szSvcName, // name of service
SERVICE_CHANGE_CONFIG); // need change config access
if (schService == NULL)
{
printf("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Change the service start type.
if (! ChangeServiceConfig(
schService, // handle of service
SERVICE_NO_CHANGE, // service type: no change
SERVICE_DISABLED, // service start type
SERVICE_NO_CHANGE, // error control: no change
NULL, // binary path: no change
NULL, // load order group: no change
NULL, // tag ID: no change
NULL, // dependencies: no change
NULL, // account name: no change
NULL, // password: no change
NULL) ) // display name: no change
{
printf("ChangeServiceConfig failed (%d)\n", GetLastError());
}
else printf("Service disabled successfully.\n");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
//
// Purpose:
// Enables the service.
//
// Parameters:
// None
//
// Return value:
// None
//
VOID __stdcall DoEnableSvc()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
// 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());
return;
}
// Get a handle to the service.
schService = OpenService(
schSCManager, // SCM database
szSvcName, // name of service
SERVICE_CHANGE_CONFIG); // need change config access
if (schService == NULL)
{
printf("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Change the service start type.
if (! ChangeServiceConfig(
schService, // handle of service
SERVICE_NO_CHANGE, // service type: no change
SERVICE_DEMAND_START, // service start type
SERVICE_NO_CHANGE, // error control: no change
NULL, // binary path: no change
NULL, // load order group: no change
NULL, // tag ID: no change
NULL, // dependencies: no change
NULL, // account name: no change
NULL, // password: no change
NULL) ) // display name: no change
{
printf("ChangeServiceConfig failed (%d)\n", GetLastError());
}
else printf("Service enabled successfully.\n");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
//
// Purpose:
// Updates the service description to "This is a test description".
//
// Parameters:
// None
//
// Return value:
// None
//
VOID __stdcall DoUpdateSvcDesc()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
SERVICE_DESCRIPTION sd;
LPTSTR szDesc = TEXT("This is a test description");
// 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());
return;
}
// Get a handle to the service.
schService = OpenService(
schSCManager, // SCM database
szSvcName, // name of service
SERVICE_CHANGE_CONFIG); // need change config access
if (schService == NULL)
{
printf("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Change the service description.
sd.lpDescription = szDesc;
if( !ChangeServiceConfig2(
schService, // handle to service
SERVICE_CONFIG_DESCRIPTION, // change: description
&sd) ) // new description
{
printf("ChangeServiceConfig2 failed\n");
}
else printf("Service description updated successfully.\n");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
// Purpose:
// Disables the service.
//
// Parameters:
// None
//
// Return value:
// None
//
VOID __stdcall DoDisableSvc()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
// 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());
return;
}
// Get a handle to the service.
schService = OpenService(
schSCManager, // SCM database
szSvcName, // name of service
SERVICE_CHANGE_CONFIG); // need change config access
if (schService == NULL)
{
printf("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Change the service start type.
if (! ChangeServiceConfig(
schService, // handle of service
SERVICE_NO_CHANGE, // service type: no change
SERVICE_DISABLED, // service start type
SERVICE_NO_CHANGE, // error control: no change
NULL, // binary path: no change
NULL, // load order group: no change
NULL, // tag ID: no change
NULL, // dependencies: no change
NULL, // account name: no change
NULL, // password: no change
NULL) ) // display name: no change
{
printf("ChangeServiceConfig failed (%d)\n", GetLastError());
}
else printf("Service disabled successfully.\n");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
//
// Purpose:
// Enables the service.
//
// Parameters:
// None
//
// Return value:
// None
//
VOID __stdcall DoEnableSvc()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
// 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());
return;
}
// Get a handle to the service.
schService = OpenService(
schSCManager, // SCM database
szSvcName, // name of service
SERVICE_CHANGE_CONFIG); // need change config access
if (schService == NULL)
{
printf("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Change the service start type.
if (! ChangeServiceConfig(
schService, // handle of service
SERVICE_NO_CHANGE, // service type: no change
SERVICE_DEMAND_START, // service start type
SERVICE_NO_CHANGE, // error control: no change
NULL, // binary path: no change
NULL, // load order group: no change
NULL, // tag ID: no change
NULL, // dependencies: no change
NULL, // account name: no change
NULL, // password: no change
NULL) ) // display name: no change
{
printf("ChangeServiceConfig failed (%d)\n", GetLastError());
}
else printf("Service enabled successfully.\n");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
//
// Purpose:
// Updates the service description to "This is a test description".
//
// Parameters:
// None
//
// Return value:
// None
//
VOID __stdcall DoUpdateSvcDesc()
{
SC_HANDLE schSCManager;
SC_HANDLE schService;
SERVICE_DESCRIPTION sd;
LPTSTR szDesc = TEXT("This is a test description");
// 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());
return;
}
// Get a handle to the service.
schService = OpenService(
schSCManager, // SCM database
szSvcName, // name of service
SERVICE_CHANGE_CONFIG); // need change config access
if (schService == NULL)
{
printf("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Change the service description.
sd.lpDescription = szDesc;
if( !ChangeServiceConfig2(
schService, // handle to service
SERVICE_CONFIG_DESCRIPTION, // change: description
&sd) ) // new description
{
printf("ChangeServiceConfig2 failed\n");
}
else printf("Service description updated successfully.\n");
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
}
启动、停止服务
[cpp] #include <winsvc.h>
void CStartServiceDlg::OnBnClickedButton1()
{
// 打开服务管理对象
SC_HANDLE hSC = ::OpenSCManager( NULL,
NULL, GENERIC_EXECUTE);
if( hSC == NULL)
{
TRACE( "open SCManager error");
return;
}
// 打开www服务。
SC_HANDLE hSvc = ::OpenService( hSC, "W3SVC",
SERVICE_START | SERVICE_QUERY_STATUS | SERVICE_STOP);
if( hSvc == NULL)
{
TRACE( "Open www erron。");
::CloseServiceHandle( hSC);
return;
}
// 获得服务的状态
SERVICE_STATUS status;
if( ::QueryServiceStatus( hSvc, &status) == FALSE)
{
TRACE( "Get Service state error。");
::CloseServiceHandle( hSvc);
::CloseServiceHandle( hSC);
return;
}
//如果处于停止状态则启动服务，否则停止服务。
if( status.dwCurrentState == SERVICE_RUNNING)
{
// 停止服务
if( ::ControlService( hSvc,
SERVICE_CONTROL_STOP, &status) == FALSE)
{
TRACE( "stop service error。");
::CloseServiceHandle( hSvc);
::CloseServiceHandle( hSC);
return;
}
// 等待服务停止
while( ::QueryServiceStatus( hSvc, &status) == TRUE)
{
::Sleep( status.dwWaitHint);
if( status.dwCurrentState == SERVICE_STOPPED)
{
AfxMessageBox( "stop success。");
::CloseServiceHandle( hSvc);
::CloseServiceHandle( hSC);
return;
}
}
}
else if( status.dwCurrentState == SERVICE_STOPPED)
{
// 启动服务
if( ::StartService( hSvc, NULL, NULL) == FALSE)
{
TRACE( "start service error。");
::CloseServiceHandle( hSvc);
::CloseServiceHandle( hSC);
return;
}
// 等待服务启动
while( ::QueryServiceStatus( hSvc, &status) == TRUE)
{
::Sleep( status.dwWaitHint);
if( status.dwCurrentState == SERVICE_RUNNING)
{
AfxMessageBox( "start success。");
::CloseServiceHandle( hSvc);
::CloseServiceHandle( hSC);
return;
}
}
}
TRACE( "start error。");
::CloseServiceHandle( hSvc);
::CloseServiceHandle( hSC);
return;
}