编写NT服务

                                          
 #include "Windows.h"   


 #include "Winsvc.h"   


 #include "time.h"   


 #include "stdio.h"   


 SERVICE_STATUS m_ServiceStatus;   


 SERVICE_STATUS_HANDLE m_ServiceStatusHandle;   


 BOOL bRunning=true;   


 void WINAPI ServiceMain(DWORD argc, LPTSTR *argv);   


 void WINAPI ServiceCtrlHandler(DWORD Opcode);   


 BOOL InstallService();   


 BOOL DeleteService();   

//自己想实现功能代码
 void DoTask()   


 {   


 //    do something here;   
FILE* fp;
int Flen = 0;
char* p;
p = NULL;
fp = fopen("c:\\rcv1.txt", "rb");
fseek(fp, 0, SEEK_END);
Flen = ftell(fp);
p= (char*)malloc( sizeof(char) * (Flen+1) ); //是这么申请


if(p == NULL)//申请后判定是否申请成功
{
    return;
}


fseek(fp, 0, SEEK_SET);  //首先移动到文件开头再读取
fwrite(“123”, sizeof（“123”）,1, fp);//读取大小无限制
fflush（pf）；
free(p);


 }   


 void WINAPI ServiceMain(DWORD argc, LPTSTR *argv)   


 {   


 //     DWORD status;    


 //     DWORD specificError;    


       m_ServiceStatus.dwServiceType          = SERVICE_WIN32;    


       m_ServiceStatus.dwCurrentState         = SERVICE_START_PENDING;    


       m_ServiceStatus.dwControlsAccepted     = SERVICE_ACCEPT_STOP;    


       m_ServiceStatus.dwWin32ExitCode        = 0;    


       m_ServiceStatus.dwServiceSpecificExitCode = 0;    


       m_ServiceStatus.dwCheckPoint           = 0;    


       m_ServiceStatus.dwWaitHint             = 0;    


 //m_ServiceStatus.dwServiceType     = SERVICE_AUTO_START;   


    


       m_ServiceStatusHandle = RegisterServiceCtrlHandler("Service2",ServiceCtrlHandler);     


       if (m_ServiceStatusHandle == (SERVICE_STATUS_HANDLE)0)    


       {    


           return;    


       }        


       m_ServiceStatus.dwCurrentState         = SERVICE_RUNNING;    


       m_ServiceStatus.dwCheckPoint           = 0;    


       m_ServiceStatus.dwWaitHint             = 0;     


       if (!SetServiceStatus (m_ServiceStatusHandle, &m_ServiceStatus))    


       {    


       }    


    


 bRunning=true;   


 while(bRunning)   


 {      


     Sleep(3000);   


     //Place Your Code for processing here....     


     DoTask();   


     //Sleep(60*1000);   


 }   


       return;    


 }   


    


 void WINAPI ServiceCtrlHandler(DWORD Opcode)   


 {   


       switch(Opcode)    


       {    


           case SERVICE_CONTROL_PAUSE:    


               m_ServiceStatus.dwCurrentState = SERVICE_PAUSED;    


               break;    


    


           case SERVICE_CONTROL_CONTINUE:    


               m_ServiceStatus.dwCurrentState = SERVICE_RUNNING;    


               break;    


    


           case SERVICE_CONTROL_STOP:    


               m_ServiceStatus.dwWin32ExitCode = 0;    


               m_ServiceStatus.dwCurrentState    = SERVICE_STOPPED;       


               m_ServiceStatus.dwCheckPoint      = 0;    


               m_ServiceStatus.dwWaitHint        = 0;       


               SetServiceStatus (m_ServiceStatusHandle,&m_ServiceStatus);   


      bRunning=false;   


      break;   


    


           case SERVICE_CONTROL_INTERROGATE:    


               break;    


       }         


       return;    


 }   


 BOOL InstallService()   


 {   


 char strDir[1024];   


 HANDLE schSCManager,schService;   


 GetCurrentDirectory(1024,strDir);   


 strcat(strDir,"\\Debug\\servicetest.exe");    


 schSCManager = OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);     


    


 if (schSCManager == NULL)    


     return false;   


       LPCTSTR lpszBinaryPathName=strDir;   


    


       schService = CreateService((struct SC_HANDLE__ *)schSCManager,"Service2","MB Service",             // service name to display    


           SERVICE_ALL_ACCESS,          // desired access    


           SERVICE_WIN32_OWN_PROCESS, // service type    


           SERVICE_DEMAND_START,        // start type    


           SERVICE_ERROR_NORMAL,        // error control type    


           lpszBinaryPathName,          // service's binary    


           NULL,                        // no load ordering group    


           NULL,                        // no tag identifier    


           NULL,                        // no dependencies    


           NULL,                        // LocalSystem account    


           NULL);                       // no password    


    


       if (schService == NULL)    


           return false;     


    


       CloseServiceHandle((struct SC_HANDLE__ *)schService);    


 return true;   


 }   


    


 BOOL DeleteService()   


 {   


 HANDLE schSCManager;   


 SC_HANDLE hService;   


 schSCManager = OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);   


    


 if (schSCManager == NULL)    


     return false;    


 hService=OpenService((struct SC_HANDLE__ *)schSCManager,"Service2",SERVICE_ALL_ACCESS);   


 if (hService == NULL)    


     return false;   


 if(DeleteService(hService)==0)   


     return false;   


 if(CloseServiceHandle(hService)==0)   


     return false;   


 else  


     return true;   


 }   


    


 int main(int argc, char* argv[])   


 {   


 if(argc>1)   


 {   


     if(strcmp(argv[1],"-i")==0) {   


      if(InstallService())   


       printf("\nMB Service Installed Sucessfully\n");   


      else  


       printf("\nMB Service has been installed\n");   


     } else if(strcmp(argv[1],"-d")==0) {   


      if(DeleteService())   


       printf("\nMB Service UnInstalled Sucessfully\n");   


      else  


       printf("\nInstalled Easin Central Service Not Found\n");   


     } else {   


      printf("\nUnknown Switch Usage\nFor Install use Servicetest -i\nFor UnInstall use Servicetest -d\n");   


     }   


 }   


 else  


 {   
//第二次启动改程序，要由scm运行，进入这里
     SERVICE_TABLE_ENTRY DispatchTable[]={{"Service2",ServiceMain},{NULL,NULL}};     


     StartServiceCtrlDispatcher(DispatchTable);    


 }   


 return 0;   


 } 

http://blog.csdn.net/g710710/article/details/7277953

http://www.vckbase.com/document/viewdoc/?id=1447

http://www.vckbase.com/code/listcode.asp?mclsid=13&sclsid=1319

http://blog.csdn.net/johe2003/article/details/4155939