www.gusucode.com > 20个VC++网络相关的源代码实例源码程序 > 20个VC++网络相关的源代码实例源码程序\code\如何获得本地计算机的TCP协议统计信息\Demo\DemoDlg.cpp

    //Download by http://www.NewXing.com
// DemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Demo.h"
#include "DemoDlg.h"

#include <Iphlpapi.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()

/////////////////////////////////////////////////////////////////////////////
// CDemoDlg dialog

CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDemoDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDemoDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_TEST, OnTest)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoDlg message handlers

BOOL CDemoDlg::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
	
	return TRUE;// return TRUEunless you set the focus to a control
}

void CDemoDlg::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 CDemoDlg::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 CDemoDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDemoDlg::OnTest() 
{
	CListBox* pListBox = (CListBox*)GetDlgItem(IDC_LIST);
	pListBox->ResetContent();

	MIB_TCPSTATS TCPStats;

	//获得TCP协议统计信息
	if (GetTcpStatistics(&TCPStats) != NO_ERROR)
	{
		return;
	}

	CString strText = _T("");
	strText.Format(_T("time-out algorithm:%d"), 
		TCPStats.dwRtoAlgorithm);
	pListBox->AddString(strText);
	strText.Format(_T("minimum time-out:%d"), 
		TCPStats.dwRtoMin);
	pListBox->AddString(strText);
	strText.Format(_T("maximum time-out:%d"), 
		TCPStats.dwRtoMax);
	pListBox->AddString(strText);
	strText.Format(_T("maximum connections:%d"), 
		TCPStats.dwMaxConn);
	pListBox->AddString(strText);
	strText.Format(_T("active opens:%d"), 
		TCPStats.dwActiveOpens);
	pListBox->AddString(strText);
	strText.Format(_T("passive opens:%d"), 
		TCPStats.dwPassiveOpens);
	pListBox->AddString(strText);
	strText.Format(_T("failed attempts:%d"), 
		TCPStats.dwAttemptFails);
	pListBox->AddString(strText);
	strText.Format(_T("established connections reset:%d"), 
		TCPStats.dwEstabResets);
	pListBox->AddString(strText);
	strText.Format(_T("established connections:%d"), 
		TCPStats.dwCurrEstab);
	pListBox->AddString(strText);
	strText.Format(_T("segments received:%d"), 
		TCPStats.dwInSegs);
	pListBox->AddString(strText);
	strText.Format(_T("segment sent:%d"), 
		TCPStats.dwOutSegs);
	pListBox->AddString(strText);
	strText.Format(_T("segments retransmitted:%d"), 
		TCPStats.dwRetransSegs);
	pListBox->AddString(strText);
	strText.Format(_T("incoming errors:%d"), 
		TCPStats.dwInErrs);
	pListBox->AddString(strText);
	strText.Format(_T("outgoing resets:%d"), 
		TCPStats.dwOutRsts);
	pListBox->AddString(strText);
	strText.Format(_T("cumulative connections:%d"), 
		TCPStats.dwNumConns);
	pListBox->AddString(strText);
}