//?SOCK_RAW.cpp?:?Defines?the?entry?point?for?the?console?application.
//?在project->setting->Debug中program?arguments輸入IP地址???測試程序：127.0.0.1

#include?
#include?
#include?
#include?“PING.h“


//函數聲明
void?Ping（LPCSTR?pstrHost）;
void?ReportError（LPCSTR?pstrFrom）;
int?WaitForEchoReply（SOCKET?s）;
u_short?in_cksum（u_short?*addrint?len）;



//ICMP回送請求和應答函數聲明
int?SendEchoRequest（SOCKETLPSOCKADDR_IN）;
DWORD?RecvEchoReply（SOCKETLPSOCKADDR_INu_char*）;



//主程序
void?main（int?argcchar?**argv）
{
??WSADATA?wsaData;
??WORD?wVersionRequested=MAKEWORD（11）;???//Winsock1.1
??int?nRet;
??
??//命令行參考檢查
??if（argc!=2）
??{
	??fprintf（stderr“\nUsage:ping?hostname\n“）;
	??return;
??}
??
??//初始化Winsock
??nRet=WSAStartup（wVersionRequested&wsaData）;
??if（nRet）
??{
	??fprintf（stderr“\nError?initializing?Winsock\n“）;
??}
??
??//Winsock版本檢查
??if（wsaData.wVersion!=wVersionRequested）
??{
	??fprintf（stderr“\nWinsock?version?not?supported\n“）;
	??return;
??}

??//調用Ping函數
??Ping（argv[1]）;

??//釋放Winsock
??WSACleanup（）;
}



///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
//Ping（）函數
//調用SendEchoRequest（）和RecvEchoReply（）函數并輸出結果
void?Ping（LPCSTR?pstrHost）
{
	SOCKET?rawSocket;
	LPHOSTENT?lpHost;
	struct?sockaddr_in?saDest;
	struct?sockaddr_in?saSrc;
	DWORD?dwTimeSent;
	DWORD?dwElapsed;
	u_char?cTTL;
	int?nLoop;
	int?nRet;
	
	//創建一個原始套接口
	rawSocket=socket（AF_INETSOCK_RAWIPPROTO_ICMP）;
????if（rawSocket==SOCKET_ERROR）
	{
????????ReportError（“socket（）“）;
????????return;
	}

????//根據主機名查詢主機地址
//	lpHost=gethostbyname（pstrHost）;
saDest.sin_addr.s_addr?=?inet_addr（pstrHost）;
	????//根據主機地址查詢主機名
	lpHost=gethostbyaddr（（char?*）&saDest.sin_addr4AF_INET）;
	if（lpHost==NULL）
????{
		fprintf（stderr“\nHost?not?found:%\n“pstrHost）;
		return;
	}
	
	
	//設置目標套接口地址
	saDest.sin_addr.s_addr=*（（u_long?FAR*）（lpHost->h_addr））;
	saDest.sin_family=AF_INET;
	saDest.sin_port=0;


	//輸出Ping程序的提示信息例如進行本機Ping時，輸出：Pinging?localhost?[127.0.0.1]?with?32?bytes?of?data:
	printf（“\nPinging??localhost?srvhostname?%s?to?desthostIp?%s?[$s]?with?%d?bytes?of?data:\n“
		??????lpHost->h_name
			??inet_ntoa（saDest.sin_addr）
			??REQ_DATASIZE）;
	

	//控制Ping執行的次數
	for（nLoop=0;nLoop<4;nLoop++）
	{
		
		//發送ICMP回送請求
		SendEchoRequest（rawSocket&saDest）;
		
		//使用select（）等待接收回送的數據
		nRet=WaitForEchoReply（rawSocket）;
		if（nRet==SOCKET_ERROR）
		{
			ReportError（“select（）“）;
			break;
		}
		if（!nRet）
		{
		????printf（“\nTimeOut“）;?????//輸出超時提示
			break;
		}
		
		//接收應答
		dwTimeSent=RecvEchoReply（rawSocket&saSrc&cTTL）;

		//計算傳輸時間，并輸出提示信息。如：Reply?from:127.0.0.1:bytes=32time=0ms?TTL=128
????????dwElapsed=GetTickCount（）-dwTimeSent;
		printf（“\nReply?from:?%s:?bytes=%d?time=%ldms?TTL=%d“
			????inet_ntoa（saSrc.sin_addr）
				REQ_DATASIZE
				dwElapsed
				cTTL）;
	}

	pri

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????155742??2009-08-10?17:19??ping\Debug\ping.exe

?????文件?????177612??2009-08-10?17:19??ping\Debug\ping.ilk

?????文件??????20888??2009-08-10?17:19??ping\Debug\ping.obj

?????文件????3570220??2009-08-10?17:19??ping\Debug\ping.pch

?????文件?????328704??2009-08-10?17:19??ping\Debug\ping.pdb

?????文件?????140288??2009-08-10?17:19??ping\Debug\vc60.idb

?????文件??????77824??2009-08-10?17:19??ping\Debug\vc60.pdb

?????目錄??????????0??2009-08-10?17:19??ping\Debug

?????文件???????5639??2009-07-30?21:21??ping\ping.cpp

?????文件???????3416??2009-08-10?17:18??ping\ping.dsp

?????文件????????533??2009-08-10?17:18??ping\ping.dsw

?????文件???????1509??2009-07-30?22:27??ping\PING.H

?????文件??????41984??2009-08-10?17:19??ping\ping.ncb

?????文件??????53760??2009-08-10?17:19??ping\ping.opt

?????文件???????1163??2009-08-10?17:19??ping\ping.plg

?????文件???????1220??2008-01-14?20:53??ping\ReadMe.txt

?????文件????????295??2008-01-14?20:53??ping\StdAfx.cpp

?????文件????????769??2008-01-14?20:53??ping\StdAfx.h

?????目錄??????????0??2009-08-10?17:19??ping

-----------?---------??----------?-----??----

??????????????4581566????????????????????19