Re: problem in using mfc in windows service

From:
Janma <rohitku@gmail.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Thu, 19 Feb 2009 03:31:19 -0800 (PST)
Message-ID:
<b8a2aebc-465e-4667-a5f0-dc1ca428cc63@q30g2000vbn.googlegroups.com>
This is the code of my service...

// stdafx.h : include file for standard system include files,
// or project specific include files that are used frequently, but
// are changed infrequently
//

#pragma once

#include "targetver.h"
#include "afxwin.h"

// TODO: reference additional headers your program requires here

// WinService.cpp : Defines the entry point for the console
application.
//

#include "stdafx.h"
#include "Winsvc.h"
#include "resource.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();

int _tmain(int argc, _TCHAR* argv[])
{
    if(argc>1)
    {
        if(_tcscmp(argv[1],L"-i")==0)
        {
            if(InstallService())
                _tprintf(L"\n\nService Installed Sucessfully\n");
            else
                _tprintf(L"\n\nError Installing Service\n");
        }

        if(_tcscmp(argv[1],L"-d")==0)
        {
          if(DeleteService())
            _tprintf(L"\n\nService UnInstalled Sucessfully\n");
          else
            _tprintf(L"\n\nError UnInstalling Service\n");
        }
        else
        {
          _tprintf(L"\n\nUnknown Switch Usage\n\nFor Install use Srv1 -i\n
\nFor UnInstall use Srv1 -d\n");
        }
    }
    else
    {
        SERVICE_TABLE_ENTRY DispatchTable[]=
                    {{L"ATSService",ServiceMain},{NULL,NULL}};
        StartServiceCtrlDispatcher(DispatchTable);
    }

    return 0;
}

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_ServiceStatusHandle = RegisterServiceCtrlHandler(L"ATSService",
                                            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....

  }
  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()
{
    CString errStr,logStr;
    FILE* logFile;
    int err = _tfopen_s(&logFile, L"C:\\rohitlog.txt", _T("w+"));
    SYSTEMTIME st;
    GetLocalTime(&st);
    errStr.LoadString(IDS_TEST);
    logStr.Format(errStr, st.wMonth, st.wDay, st.wYear, st.wHour,
st.wMinute, st.wSecond);
    _ftprintf_s(logFile, logStr);
    fclose(logFile);

  TCHAR strDir[1024];
  SC_HANDLE schSCManager,schService;
  GetCurrentDirectory(1024,strDir);
  _tcscat(strDir,L"\\WinService.exe");
  schSCManager = OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);

  if (schSCManager == NULL)
    return false;
  LPCTSTR lpszBinaryPathName=strDir;

  schService = CreateService(schSCManager,L"ATSService",
        L"Avon Transport 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(schService);
  return true;
}

BOOL DeleteService()
{
  SC_HANDLE schSCManager;
  SC_HANDLE hService;
  schSCManager = OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);

  if (schSCManager == NULL)
    return false;
  hService=OpenService(schSCManager,L"ATSService",SERVICE_ALL_ACCESS);
  if (hService == NULL)
    return false;
  if(DeleteService(hService)==0)
    return false;
  if(CloseServiceHandle(hService)==0)
    return false;

return true;
}

On Feb 19, 4:29 pm, Janma <rohi...@gmail.com> wrote:

Hi,

I have created a windows service from app wizard win32 console
application. I have selected the "Use MFC in Shared DLL option". But
when i use CString::LoadString to load a string from the resource
table, then LoadString returns failure. But if i dont use MFC and use
CAtlString from atlstr.h, then LoadString works fine.

What could be the reason for this issue?

THanks,
Rohit

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