sniffer.cpp

一、实现 Sniffer 的基本功能。 Sniffer 是一种用于监测网络性能、使用情况的工具。 &#61548 能够指定需要侦听的网卡（考虑一台机器上多张网卡的情况） &#61548 能

// sniffer.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "sniffer.h"
#include "snifferDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CSnifferApp

BEGIN_MESSAGE_MAP(CSnifferApp, CWinApp)
	//{{AFX_MSG_MAP(CSnifferApp)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CSnifferApp construction

CSnifferApp::CSnifferApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CSnifferApp object

CSnifferApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CSnifferApp initialization

BOOL CSnifferApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif
 
    //检查 Winsock 版本号
	WSADATA	WSAData;
    if (WSAStartup(MAKEWORD(2, 2), &WSAData) != 0)
	{
		AfxMessageBox("init Socket version failure!");
		return FALSE;
	}
    
	/////////////////////////////////////////
	CSnifferDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

int CSnifferApp::ExitInstance() 
{
	WSACleanup();
	return CWinApp::ExitInstance();
}