具體**實現：
ping.h
#pragma once
//在預設windows.h會包含winsock.h，當你包含winsock2.h就會衝突，因此在包含windows.h前需要定義乙個巨集,#define win32_lean_and_mean ;去除winsock.h
//要麼將#include 放在#include前面或者直接去掉#include
/*system32中有icmp.dll檔案，其中包含函式：
icmpcreatefile()
icmpsendecho(8個引數)
icmpclosehandle
*/#include
#include
#pragma comment(lib, "ws2_32") // 鏈結到ws2_32.lib
#define def_packet_size 32
#define echo_request 8
#define echo_reply 0
struct ipheader
;struct icmpheader
;struct pingreply
;class cping
;
#include "ping.h"
#include
ushort cping::s_uspacketseq = 0;
cping::cping() :m_szicmpdata(null),m_bisinitsucc(false)
m_event = wsacreateevent();
m_uscurrentprocid = (ushort)getcurrentprocessid();
//setsockopt(m_sockraw);
/*if ((m_sockraw = wsasocket(af_inet, sock_raw, ipproto_icmp, null, 0, 0)) != socket_error)
}*/m_sockraw = wsasocket(af_inet, sock_raw, ipproto_icmp, null, 0, 0);
if (m_sockraw == invalid_socket)
else
}}cping::~cping()
}bool cping::ping(dword dwdestip, pingreply *ppingreply, dword dwtimeout)
bool cping::ping(const
char *szdestip, pingreply *ppingreply, dword dwtimeout)
return pingcore(/*inet_addr(szdestip)*/dwip, ppingreply, dwtimeout);
}return
false;
}bool cping::pingcore(dword dwdestip, pingreply *ppingreply, dword dwtimeout)
//配置socket
sockaddr_in sockaddrdest;
sockaddrdest.sin_family = af_inet;
sockaddrdest.sin_addr
.s_addr = dwdestip;
int nsockaddrdestsize = sizeof(sockaddrdest);
//構建icmp包
int nicmpdatasize = def_packet_size + sizeof(icmpheader);
ulong ulsendtimestamp = gettickcountcalibrate();
ushort usseq = ++s_uspacketseq;
memset(m_szicmpdata, 0, nicmpdatasize);
icmpheader *picmpheader = (icmpheader*)m_szicmpdata;
picmpheader->m_bytype = echo_request;
picmpheader->m_bycode = 0;
picmpheader->m_usid = m_uscurrentprocid;
picmpheader->m_usseq = usseq;
picmpheader->m_ultimestamp = ulsendtimestamp;
picmpheader->m_uschecksum = calchecksum((ushort*)m_szicmpdata, nicmpdatasize);
//傳送icmp報文
if (sendto(m_sockraw, m_szicmpdata, nicmpdatasize, 0, (struct sockaddr*)&sockaddrdest, nsockaddrdestsize) == socket_error)
//判斷是否需要接收相應報文
if (ppingreply == null)
char recvbuf[256] = ;
while (true)}}
}//超時
if (gettickcountcalibrate() - ulsendtimestamp >= dwtimeout)
}}ushort cping::calchecksum(ushort *pbuffer, int nsize)
if (nsize)
ulchecksum = (ulchecksum >> 16) + (ulchecksum & 0xffff);
ulchecksum += (ulchecksum >> 16);
return (ushort)(~ulchecksum);
}ulong cping::gettickcountcalibrate()
if (s_ullfirstcalltickms == 0)
return s_ulfirstcalltick + (ulong)(llcurrenttimems - s_ullfirstcalltickms);
}
/*
icmp是(internet control message protocol)internet控制報文協議。它是tcp/ip協議族的乙個子協議，屬於網路層協議, 用於在ip主機、路由器之間傳遞控制訊息。控制訊息是指網路通不通、主機是否可達、路由是否可用等網路本身的訊息。這些控制訊息雖然並不傳輸使用者資料，但是對於使用者資料的傳遞起著重要的作用
*/#include
#include
#include "ping.h"
#include "commdef.h"
int main(void)
; switch (reply.m_dwttl)
printf("reply from %s: bytes=%d time=%ldms ttl=%ld ostype=%s\n", szdestip, reply.m_dwbytes, reply.m_dwroundtriptime, reply.m_dwttl, szostype);
sleep(500);
}return
0;}
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