/*
 =======================================================================================
  Name        :MngData5.cpp
 
  Author      : VL                         Date :10/07/97
 
  Description : Defines the class behaviors for the MngData5 application.
 =======================================================================================
  Modification -> Author :                  Date :
  Description :
 =======================================================================================
 */

/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#include "stdafx.h"
#include <afxdisp.h>
#include "MngData5.h"
#include "DlgMain.h"
#include "winsock2.h"
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/


/*
 =======================================================================================
	Globals 
 =======================================================================================
 */

/*
 * The one and only CMngDataApp object
 */
CMngDataApp theApp;
HANDLE		g_hMutex;

/*
 =======================================================================================
	CMngDataApp 
 =======================================================================================
 */

/*
 ------------------------------------------------------------------------------
  message map
 ------------------------------------------------------------------------------
 */
BEGIN_MESSAGE_MAP(CMngDataApp, CWinApp)
	//{{AFX_MSG_MAP(CMngDataApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/*
 ------------------------------------------------------------------------------
  constructor
 ------------------------------------------------------------------------------
 */
CMngDataApp::CMngDataApp()
{
}

/*
 ------------------------------------------------------------------------------
  initialization
 ------------------------------------------------------------------------------
 */
BOOL CMngDataApp::InitInstance()
{
	#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
	#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
	#endif

	/*
	 * create mutex to be sure that there's only one instance at same time
	 */
	g_hMutex = CreateMutex( NULL, FALSE, "Vss data manager application" );
	if (GetLastError() == ERROR_ALREADY_EXISTS)
	{
		ReleaseMutex( g_hMutex );
		AfxMessageBox( "Vss data manager is already running", MB_ICONSTOP );
		return FALSE;
	}

	/* 
	 * Init OLE
	 */
	if (!AfxOleInit())
	{
		AfxMessageBox("OLE initialization failed.\r\nMake sure that the OLE libraries\r\nare the correct version.", MB_ICONSTOP);
		return FALSE;
	}

	/*
	 *	init windows socket
	 */
	if ( !fn_bInitWindowsSocket() != 0 ) 
		return FALSE;

	/*
	 * display main dialog box
	 */
	CMngDataDlg		dlg;
	
	m_pMainWnd = &dlg;

	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
	}
	else if (nResponse == IDCANCEL)
	{
	}

	fn_vCloseWindowsSocket();
	return FALSE;
}

/*
 ------------------------------------------------------------------------------
  Exit program : release mutex
 ------------------------------------------------------------------------------
 */
int CMngDataApp::ExitInstance() 
{
	ReleaseMutex( g_hMutex );
	return CWinApp::ExitInstance();
}



/*
 =======================================================================================
	Specific functions
 =======================================================================================
 */

 /*
 ----------------------------------------------------------------------------------------
  Description   : initialize winsows socket to communicate with time server
  Returns (BOOL ) true if init success
 ----------------------------------------------------------------------------------------
 */
BOOL CMngDataApp::fn_bInitWindowsSocket( void )
{
	WORD		wVersionRequested;
	WSADATA		wsaData;
	int			iError;
 
	wVersionRequested = MAKEWORD( 2, 0 );
 
	iError = WSAStartup( wVersionRequested, &wsaData );
	if ( iError != 0 ) 
	{
		AfxMessageBox( "Cannot initialize windows socket", MB_ICONSTOP );
		return FALSE;
	}
	return TRUE;
}

/*
 ----------------------------------------------------------------------------------------
  Description   : close windows socket
 ----------------------------------------------------------------------------------------
 */
void CMngDataApp::fn_vCloseWindowsSocket( void )
{
	WSACleanup();
}