#include?
#include?
#include?
#pragma?comment（lib?“ws2_32.lib“）
#define?ICMP_ECHOREPLY?0?//ICMP回應(yīng)答復(fù)
#define?ICMP_ECHOREQ?8?//ICMP回應(yīng)請求
#define?REQ_DATASIZE?32?//請求數(shù)據(jù)報(bào)大小

//定義IP首部格式
typedef?struct?_IPHeader
{
u_char?VIHL;?//版本和首部長度
u_char?ToS;?//服務(wù)類型
u_short?TotalLen;?//總長度
u_short?ID;?//標(biāo)識(shí)號
u_short?Frag_Flags;?//片偏移量
u_char?TTL;?//生存時(shí)間
u_char?Protocol;?//協(xié)議
u_short?Checksum;?//首部校驗(yàn)和
struct?in_addr?SrcIP;?//源IP地址
struct?in_addr?DestIP;?//目的地址
}IPHDR?*PIPHDR;


//定義ICMP首部格式
typedef?struct?_ICMPHeader
{
u_char?Type;?//類型
u_char?Code;?//代碼
u_short?Checksum;?//首部校驗(yàn)和
u_short?ID;?//標(biāo)識(shí)
u_short?Seq;?//序列號
char?Data;?//數(shù)據(jù)
}ICMPHDR?*PICMPHDR;


//定義ICMP回應(yīng)請求
typedef?struct?_ECHOREQUEST
{
ICMPHDR?icmpHdr;
DWORD?dwTime;
char?cData[REQ_DATASIZE];
}ECHOREQUEST?*PECHOREQUEST;


//定義ICMP回應(yīng)答復(fù)
typedef?struct?_ECHOREPLY
{
IPHDR?ipHdr;
ECHOREQUEST?echoRequest;
char?cFiller[256];
}ECHOREPLY?*PECHOREPLY;

//計(jì)算校驗(yàn)和
u_short?checksum（u_short?*buffer?int?len）
{
register?int?nleft?=?len;
register?u_short?*w?=?buffer;
register?u_short?answer;
register?int?sum?=?0;
//使用32位累加器進(jìn)行16位的反饋計(jì)算
while?（?nleft?>?1?）
{
sum?+=?*w++;
nleft?-=?2;
}
//補(bǔ)全奇數(shù)位
if?（?nleft?==?1?）
{
u_short?u?=?0;
*（u_char?*）（&u）?=?*（u_char*）w;
sum?+=?u;
}
//將反饋的16位從高位移到低位
sum?=?（sum?>>?16）?+?（sum?&?0xffff）;
sum?+=?（sum?>>?16）;
answer?=?~sum;
return?（answer）;
}

//發(fā)送回應(yīng)請求函數(shù)
int?SendEchoRequest（SOCKET?s?struct?sockaddr_in?*lpstToAddr）
{
static?ECHOREQUEST?echoReq;
static??int?nId?=?1;
static?int?nSeq?=?1;
int?nRet;
//填充回應(yīng)請求消息
echoReq.icmpHdr.Type?=?ICMP_ECHOREQ;
echoReq.icmpHdr.Code?=?0;
echoReq.icmpHdr.Checksum?=?0;
echoReq.icmpHdr.ID?=?nId++;
echoReq.icmpHdr.Seq?=?nSeq++;
//填充要發(fā)送的數(shù)據(jù)
for?（nRet?=?0;?nRet?{
echoReq.cData[nRet]?=?‘1‘?+?nRet;
}
//存儲(chǔ)發(fā)送的時(shí)間
echoReq.dwTime?=?GetTickCount（）;
//計(jì)算回應(yīng)請求的校驗(yàn)和
echoReq.icmpHdr.Checksum?=?checksum（（u_short*）&echoReq?sizeof（ECHOREQUEST））;
//發(fā)送回應(yīng)請求
nRet?=?sendto（s（LPSTR）&echoReqsizeof（ECHOREQUEST）
			??0（struct?sockaddr*）lpstToAddrsizeof（SOCKADDR_IN））;
if?（nRet?==?SOCKET_ERROR）
{
printf（“send?to（）?error:%d\n“?WSAGetLastError（））;
}
return?（nRet）;
}

//接收應(yīng)答回復(fù)并進(jìn)行解析
DWORD?RecvEchoReply（SOCKET?s?LPSOCKADDR_IN?lpsaFrom?u_char?*pTTL）
{
ECHOREPLY?echoReply;
int?nRet;
int?nAddrLen?=?sizeof（struct?sockaddr_in）;
//接收應(yīng)答回復(fù)
nRet?=?recvfrom（s（LPSTR）&echoReplysizeof（ECHOREPLY）
				0（LPSOCKADDR）lpsaFrom&nAddrLen）;
//檢驗(yàn)接收結(jié)果

if?（nRet?==?SOCKET_ERROR）
{
printf（“recvfrom（）?error:%d\n“WSAGetLastError（））;
}
//記錄返回的TTL
*pTTL?=?echoReply.ipHdr.TTL;
//返回應(yīng)答時(shí)間
return（echoReply.echoRequest.dwTime）;
}

//等待回應(yīng)答復(fù)使用select模型
int?WaitForEchoReply（SOCKET?s）
{
struct?timeval?timeout;
fd_set?readfds;
readfds.fd_count?=?1;
readfds.fd_array[0]?=?s;
timeout.tv_sec?=?1;
timeout.tv_usec?=?0;
return（select（1?&readfds?NULL?NULL?&timeout））;
}

//PING功能實(shí)現(xiàn)
void?Ping（char?*pstrHost）
{
	SOCKET?rawSocket;
	LP

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????891??2011-12-27?21:51??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest.sln

????..A..H.?????11264??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest.suo

?????文件??????30720??2011-12-28?21:56??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\可執(zhí)行程序.exe

?????文件???????5860??2011-12-28?21:56??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\源代碼.cpp

?????文件???23875584??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest.sdf

?????文件???32768000??2011-12-28?21:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\ipch\pingtest-976f476e\pingtest-d2d0b45a.ipch

?????文件?????335240??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\Debug\pingtest.ilk

?????文件?????445440??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\Debug\pingtest.pdb

?????文件??????30720??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\Debug\pingtest.exe

?????文件???????3226??2011-12-27?21:52??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\pingtest.vcxproj

?????文件????????143??2011-12-27?21:51??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\pingtest.vcxproj.user

?????文件????????946??2011-12-27?21:52??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\pingtest.vcxproj.filters

?????文件???????5860??2011-12-28?21:56??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\pingtest.cpp

?????文件????????937??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\pingtest.log

?????文件???????1385??2011-12-28?21:56??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\pingtest.Build.CppClean.log

?????文件?????????96??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\pingtest.lastbuildstate

?????文件?????617472??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\vc100.idb

?????文件?????118784??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\vc100.pdb

?????文件??????24644??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\CL.read.1.tlog

?????文件????????972??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\CL.write.1.tlog

?????文件???????1330??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\cl.command.1.tlog

?????文件????????381??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\pingtest.exe.intermediate.manifest

?????文件???????4764??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\link.read.1.tlog

?????文件???????1656??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\link.write.1.tlog

?????文件???????2750??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\link.command.1.tlog

?????文件???????1514??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\mt.read.1.tlog

?????文件????????726??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\mt.write.1.tlog

?????文件???????1082??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\mt.command.1.tlog

?????文件??????38327??2012-01-04?17:49??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\pingtest\Debug\pingtest.obj

?????文件?????533504??2012-04-09?22:11??李志鵬網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告3109005985pingtest\計(jì)算機(jī)網(wǎng)絡(luò)課程設(shè)計(jì)報(bào)告.doc

............此處省略9個(gè)文件信息