pingdlg.cpp

一个VC++的MFC PING程序（附带运行文件可删）

// pingDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ping.h"
#include "pingDlg.h"

#include <winsock.h>

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

extern SOCKET m_socket;

BOOL ping(const char *ipaddr, char *resp);

/////////////////////////////////////////////////////////////////////////////
// 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
	//定义数据交换,通常不需要转化的直接用
	//}}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)//消息--动作映射宏
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPingDlg dialog

CPingDlg::CPingDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPingDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPingDlg)
	m_Ctx = _T("");
	m_Num = 0;
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPingDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPingDlg)
	DDX_Control(pDX, IDC_IPADDRESS1, m_IP);
	DDX_Text(pDX, IDC_EDIT1, m_Ctx);
	DDX_Text(pDX, IDC_EDIT_NUM, m_Num);
	DDV_MinMaxUInt(pDX, m_Num, 0, 65535);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPingDlg, CDialog)//消息--动作映射宏
	//{{AFX_MSG_MAP(CPingDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OK, OnOk)
	ON_BN_CLICKED(IDC_START, OnStart)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPingDlg message handlers

BOOL CPingDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	m_IP.SetWindowText("127.0.0.1");

	//////////////////////////////////////////////////////
	int		res;
	int		timeout = 100;
	WSADATA wsaData;

	//启动WINDOWS SOCK，版本1.0
	if(WSAStartup( MAKEWORD( 1, 0 ), &wsaData ) != 0)
	{
		MessageBox("Window Socket 初始化失败!");
		return FALSE;
	}

	//创建SOCKET  
	// AF_INET：协议族为TCP/IP
	//SOCK_RAW：原始方式（直接与IP层交换数据）
	//IPPROTO_ICMP：子协议类型
	m_socket = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
	if(m_socket == INVALID_SOCKET)
	{
		MessageBox("创建 Socket 失败!");
		return FALSE;
	}

	// 设置选项：接受超时为100ms
	res = setsockopt(m_socket,SOL_SOCKET,SO_RCVTIMEO,(char*)&timeout,sizeof(timeout));
	if(res == SOCKET_ERROR)
	{
		MessageBox("设置接受超时为100ms 失败!");
	}

	timeout = 1000;
	// 设置发送超时为1000ms
	res = setsockopt(m_socket,SOL_SOCKET,SO_SNDTIMEO,(char*)&timeout,sizeof(timeout));
	if(res == SOCKET_ERROR)
	{
		MessageBox("设置发送超时为100ms 失败!");
	}
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CPingDlg::OnOK() 
{
}

void CPingDlg::OnCancel() 
{
}
void CPingDlg::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 CPingDlg::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();
	}
}

HCURSOR CPingDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CPingDlg::OnOk() 
{
	
	CDialog::OnOK();
}

BOOL CPingDlg::DestroyWindow() 
{
	closesocket(m_socket);
	WSACleanup ();

	return CDialog::DestroyWindow();
}

///////////////////////////////////////////////////////////
void CPingDlg::OnStart() 
{
	char	ipaddr[32];
	char	resp[4096];
	UINT	n,ok = 0;
	float	loss;

	UpdateData(TRUE);
	if(m_Num <= 0)
		return;

	m_IP.GetWindowText(ipaddr,30);

	sprintf(resp,"\r\nping %s...\r\n",ipaddr);
	AppendMsg(resp);

	for(n = 0; n < m_Num; n++)
	{
		if(ping(ipaddr,resp))
			ok++;

		AppendMsg(resp);
		Sleep(1000);
	}

	if(ok == 0)	loss = 100.0f;
	else	loss = 100.0f - float(n * 100.0f / ok);
	sprintf(resp,"\r\nPing %s 的统计结果:\r\n\t发送 = %d 接收 = %d 丢失 = %.2f％",ipaddr,n,ok,loss);
	AppendMsg(resp);
}

void CPingDlg::AppendMsg(const char *msg)
{
	CEdit	*pEdit;

	if(m_Ctx.GetLength() > 2048)
		m_Ctx.Empty();

	m_Ctx += msg;
	m_Ctx += "\r\n";
	UpdateData(FALSE);

	pEdit = (CEdit*)GetDlgItem(IDC_EDIT1);
	pEdit->LineScroll(100,0);
}