VC++ 创建Windows服务 (五)

status.dwWin32ExitCode = S_OK;
status.dwCheckPoint = 0;
status.dwWaitHint = 0;
status.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus(hServiceStatus, &status);

//模拟服务的运行。应用时将主要任务放于此即可
//可在此写上服务需要执行的代码，一般为死循环
while(1)
{
//循环干什么
}
status.dwCurrentState = SERVICE_STOPPED;
SetServiceStatus(hServiceStatus, &status);
OutputDebugString(_T("Service stopped"));
}

//*********************************************************
//Functiopn: ServiceStrl
//Description: 服务控制主函数，这里实现对服务的控制，
// 当在服务管理器上停止或其它操作时，将会运行此处代码
//Calls:
//Called By:
//Table Accessed:
//Table Updated:
//Input: dwOpcode：控制服务的状态
//Output:
//Return:
//Others:
//History:
// niying 2006-8-10
//*********************************************************
void WINAPI ServiceStrl(DWORD dwOpcode)
{
switch (dwOpcode)
{
case SERVICE_CONTROL_STOP:
status.dwCurrentState = SERVICE_STOP_PENDING;
SetServiceStatus(hServiceStatus, &status);
PostThreadMessage(dwThreadID, WM_CLOSE, 0, 0);
break;
case SERVICE_CONTROL_PAUSE:
break;
case SERVICE_CONTROL_CONTINUE:
break;
case SERVICE_CONTROL_INTERROGATE:
break;
case SERVICE_CONTROL_SHUTDOWN:
break;
default:
LogEvent(_T("Bad service request"));
OutputDebugString(_T("Bad service request"));
}
}
//*********************************************************
//Functiopn: IsInstalled
//Description: 判断服务是否已经被安装
// niying 2006-8-10
//*********************************************************
BOOL IsInstalled()
{
BOOL bResult = FALSE;

//打开服务控制管理器
SC_HANDLE hSCM = ::OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);

if (hSCM != NULL)
{
//打开服务
SC_HANDLE hService = ::OpenService(hSCM, szServiceName, SERVICE_QUERY_CONFIG);
if (hService != NULL)
{
bResult = TRUE;
::CloseServiceHandle(hService);
}
::CloseServiceHandle(hSCM);
}
return bResult;
}

//*********************************************************
//Functiopn: Install
//Description: 安装服务函数
// niying 2006-8-10
//*********************************************************
BOOL Install()
{
if (IsInstalled())
return TRUE;

//打开服务控制管理器
SC_HANDLE hSCM = ::OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (hSCM == NULL)
{
MessageBox(NULL, _T("Couldn't open service manager"), szServiceName, MB_OK);
return FALSE;
}

// Get the executable file path
TCHAR szFilePath[MAX_PATH];
::GetModuleFileName(NULL, szFilePath, MAX_PATH);

//创建服务
SC_HANDLE hService = ::CreateService(hSCM, szServiceName, szServiceName,
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,SERVICE_AUTO_START , SERVICE_ERROR_NORMAL,
szFilePath, NULL, NULL, _T(""), NULL, NULL);

if (hService == NULL)
{
::CloseServiceHandle(hSCM);
MessageBox(NULL, _T("Couldn't create service"), szServiceName, MB_OK);
return FALSE;
}

::CloseServiceHandle(hService);
::CloseServiceHandle(hSCM);
return TRUE;
}

//***