c++ windows服务开发样例

【实例简介】windows的 服务运行过程，及其安装、卸载、启动等过程

【实例截图】

【核心代码】

// MBS.cpp : Defines the entry point for the console application.
////
///  lichao 2008-3-24  lcboy123@126.com

#include "stdafx.h"
#include "tchar.h"

VOID WriteLog(char* pMsg);

//定义全局函数变量
void Init();
BOOL IsInstalled();
BOOL Install();
BOOL Uninstall();
void LogEvent(LPCTSTR pszFormat, ...);
void WINAPI ServiceMain();
void WINAPI ServiceStrl(DWORD dwOpcode);

TCHAR szServiceName[] = _T("四创传输服务");//Windows服务名称
BOOL bInstall;
SERVICE_STATUS_HANDLE hServiceStatus;
SERVICE_STATUS status;
DWORD dwThreadID;

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
	Init();

	dwThreadID = ::GetCurrentThreadId();

    SERVICE_TABLE_ENTRY st[] =
    {
        { szServiceName, (LPSERVICE_MAIN_FUNCTION)ServiceMain },
        { NULL, NULL }
    };

	if (stricmp(lpCmdLine, "/install") == 0)
	{
		WriteLog("服务安装");
		Install();
	}
	else if (stricmp(lpCmdLine, "/uninstall") == 0)
	{
		Uninstall();
	}
	else
	{
		//注册服务主函数失败
		WriteLog("服务主函数");
		if (!::StartServiceCtrlDispatcher(st))
		{
			WriteLog("主函数失败");
			LogEvent(_T("Register Service Main Function Error!"));
		}
	}

	return 0;
}
//*********************************************************
//函数名:			Init
//描述:				初始化
//*********************************************************
void Init()
{
    hServiceStatus = NULL;
    status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
    status.dwCurrentState = SERVICE_STOPPED;
    status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
    status.dwWin32ExitCode = 0;
    status.dwServiceSpecificExitCode = 0;
    status.dwCheckPoint = 0;
    status.dwWaitHint = 0;
}

//*********************************************************
//函数名:		ServiceMain
//描述:			服务主函数，这在里进行控制对服务控制的注册
//*********************************************************
void WINAPI ServiceMain()
{
    // 注册控制句柄
    status.dwCurrentState = SERVICE_START_PENDING;
	status.dwControlsAccepted = SERVICE_ACCEPT_STOP;

	//注册服务控制
    hServiceStatus = RegisterServiceCtrlHandler(szServiceName, ServiceStrl);
    if (hServiceStatus == NULL)
    {
        LogEvent(_T("Handler not installed"));
        return;
    }
    SetServiceStatus(hServiceStatus, &status);

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

	

	//服务任务,无限循环
	while (true)
	{
		WriteLog("服务任务,无限循环");
		Sleep(5000);
	}
	

    status.dwCurrentState = SERVICE_STOPPED;
    SetServiceStatus(hServiceStatus, &status);
    LogEvent(_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
//Input:				dwOpcode：控制服务的状态
//*********************************************************
void WINAPI ServiceStrl(DWORD dwOpcode)
{
    switch (dwOpcode)
    {
    case SERVICE_CONTROL_STOP:
		//status.dwCurrentState = SERVICE_STOP_PENDING;
		status.dwCurrentState = SERVICE_STOPPED;
        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"));
    }
}
//*********************************************************
//Functiopn:			IsInstalled
//Description:			判断服务是否已经被安装
//*********************************************************
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
//*********************************************************
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;
    }

    // 获得执行文件的路径
    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_DEMAND_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;
}

//*********************************************************
//Functiopn:			Uninstall
//Description:			删除服务函数
//*********************************************************
BOOL Uninstall()
{
    if (!IsInstalled())
        return TRUE;

    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;
    }

    SC_HANDLE hService = ::OpenService(hSCM, szServiceName, SERVICE_STOP | DELETE);

    if (hService == NULL)
    {
        ::CloseServiceHandle(hSCM);
        MessageBox(NULL, _T("Couldn't open service"), szServiceName, MB_OK);
        return FALSE;
    }
    SERVICE_STATUS status;
    ::ControlService(hService, SERVICE_CONTROL_STOP, &status);

	//删除服务
    BOOL bDelete = ::DeleteService(hService);
    ::CloseServiceHandle(hService);
    ::CloseServiceHandle(hSCM);

    if (bDelete)
        return TRUE;

    LogEvent(_T("Service could not be deleted"));
    return FALSE;
}

//*********************************************************
//Functiopn:			LogEvent
//Description:			记录服务事件
//*********************************************************
void LogEvent(LPCTSTR pFormat, ...)
{
    TCHAR    chMsg[256];
    HANDLE  hEventSource;
    LPTSTR  lpszStrings[1];
    va_list pArg;

    va_start(pArg, pFormat);
    _vstprintf(chMsg, pFormat, pArg);
    va_end(pArg);

    lpszStrings[0] = chMsg;
	
	hEventSource = RegisterEventSource(NULL, szServiceName);
	if (hEventSource != NULL)
	{
		ReportEvent(hEventSource, EVENTLOG_INFORMATION_TYPE, 0, 0, NULL, 1, 0, (LPCTSTR*) &lpszStrings[0], NULL);
		DeregisterEventSource(hEventSource);
	}
}

void WriteLog(char* pMsg)
{
	// write error or other information into log file
	try
	{
		SYSTEMTIME oT;
		::GetLocalTime(&oT);
		FILE* pLog = fopen("j:\\传输服务日志.log","a");
		fprintf(pLog,"%02d/%02d/%04d, %02d:%02d:%02d\n    %s",oT.wMonth,oT.wDay,oT.wYear,oT.wHour,oT.wMinute,oT.wSecond,pMsg); 
		fclose(pLog);
	} catch(...) {}
}