windows服务简单实现（非系统服务）

// ServiceTest.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "stdio.h"
#include "tchar.h"
#include "dos.h"
#include "conio.h"


//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("测试");
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)
	{
		Install();//测试
	}
	else if (stricmp(lpCmdLine, "/uninstall") == 0)
	{
	//	Uninstall();
	}
	else
	{
		if (!::StartServiceCtrlDispatcher(st))
		{
			LogEvent(_T("Register Service Main Function Error!"));
		}
	}

	return 0;
}

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;
}

void WINAPI ServiceMain()
{
    // Register the control request handler
    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);

	//模拟服务的运行，10后自动退出。应用时将主要任务放于此即可
	int i = 0;  
	while (i < 10)  
	{  
		//新建文件   
		FILE * fp0=fopen("c:/tt.txt","a+");  
		fwrite("haha",5,1,fp0);
		fclose(fp0);  
		Sleep(10000);  
		i++;  
	}  
    status.dwCurrentState = SERVICE_STOPPED;
    SetServiceStatus(hServiceStatus, &status);
    LogEvent(_T("Service stopped"));
}

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"));
    }
}

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;
}

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_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;

}

//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;
//}

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);
	}
}