www.pudn.com > FindAllDevs.rar > FindAllDevsDlg.cpp


// FindAllDevsDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "FindAllDevs.h" 
#include "FindAllDevsDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	//{{AFX_DATA(CAboutDlg) 
	enum { IDD = IDD_ABOUTBOX }; 
	//}}AFX_DATA 
 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CAboutDlg) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	//{{AFX_MSG(CAboutDlg) 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
	//{{AFX_DATA_INIT(CAboutDlg) 
	//}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CAboutDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
	//{{AFX_MSG_MAP(CAboutDlg) 
		// No message handlers 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CFindAllDevsDlg dialog 
 
CFindAllDevsDlg::CFindAllDevsDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CFindAllDevsDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CFindAllDevsDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CFindAllDevsDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CFindAllDevsDlg) 
	DDX_Control(pDX, IDC_LIST, m_ctrlList); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CFindAllDevsDlg, CDialog) 
	//{{AFX_MSG_MAP(CFindAllDevsDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BTN_FINDDEVS, OnBtnFindDevs) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CFindAllDevsDlg message handlers 
 
BOOL CFindAllDevsDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Add "About..." menu item to system menu. 
 
	// IDM_ABOUTBOX must be in the system command range. 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	// TODO: Add extra initialization here 
	InitList(); 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CFindAllDevsDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CFindAllDevsDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CFindAllDevsDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CFindAllDevsDlg::OnBtnFindDevs()  
{ 
	// TODO: Add your control notification handler code here 
	int i=0; 
	char errBuf[PCAP_ERRBUF_SIZE]; 
	CString strErr; 
	CString strDev; 
 
	/*获取本机设备列表*/ 
	if(pcap_findalldevs(&AllDevs,errBuf) == -1) 
	{ 
		strErr.Format("Error in pcap_findalldevs_ex: %s",errBuf); 
		AfxMessageBox(strErr); 
		return; 
	} 
 
	/*打印列表*/ 
	for(Dev=AllDevs; Dev!=NULL; Dev = Dev->next) 
	{ 
		if(Dev->description) 
		{ 
			//strDev.Format("%d.%s: %s",++i,Dev->name,Dev->description); 
			strDev.Format("%d",++i); 
			m_ctrlList.InsertItem((i-1),strDev); 
			strDev.Format("%s",Dev->name); 
			m_ctrlList.SetItemText((i-1),1,strDev); 
			strDev.Format("%s",Dev->description); 
			m_ctrlList.SetItemText((i-1),2,strDev); 
		} 
			 
		else 
		{ 
			strDev.Format("%d.%s: %s",++i,Dev->name,"No description available"); 
			AfxMessageBox(strErr); 
		} 
			 
	} 
	if(i == 0) 
	{ 
		strErr = "No interfaces found! Make sure WinPcap is installed"; 
		AfxMessageBox(strErr); 
	} 
	/*不再需要设备列表了,释放它*/ 
	 pcap_freealldevs(AllDevs); 
 
} 
 
/*初始化设备列表*/ 
void CFindAllDevsDlg::InitList() 
{ 
	m_ctrlList.InsertColumn(0,"No",LVCFMT_CENTER,50); 
	m_ctrlList.InsertColumn(1,"Name",LVCFMT_CENTER,120); 
	m_ctrlList.InsertColumn(2,"Description",LVCFMT_CENTER,300); 
}