#pragma?pack（4）
#pragma?comment（lib“WS2_32.LIB“）
#define?WIN32_LEAN_AND_MEAN
#include
#include
#include
#include
#include
#include
#includese.h>
//頭文件

typedef?struct?iphdr{??????????????????//IP頭
	unsigned?int?headlen:4;????????????//IP頭長度
	unsigned?int?version:4;????????????//IP版本號
	unsigned?char?tos;?????????????????//服務類型
	unsigned?short?id;?????????????????//ID號
	unsigned?short?flag;???????????????//標記
	unsigned?char?ttl;?????????????????//生存時間
	unsigned?char?prot;????????????????//協議
	unsigned?short?checksum;???????????//效驗和
	unsigned?int?sourceIP;?????????????//源IP
	unsigned?int?destIP;???????????????//目的IP
}IpHeader;
//IP頭部

typedef?struct?icmphdr{????????????????//ICMP頭
	BYTE?type;?????????????????????????//ICMP類型碼
	BYTE?code;?????????????????????????//子類型碼
	USHORT?checksum;???????????????????//效驗和
????USHORT?id;?????????????????????????//ID號
	USHORT?seq;????????????????????????//ICMP數據報的序列號
}IcmpHeader;
//ICMP包頭部

#define?ICMP_ECHO?8????????????????????//請求回送
#define?ICMP_ECHO_REPLY?0??????????????//請求回應
#define?ICMP_MIN?8?????????????????????//ICMP包頭長度（最小ICMP包長度）
#define?STATUS_FAILED?0xFFFF???????????//錯誤碼
#define?DEF_PACKET_SIZE?32?????????????//缺省數據塊長度
#define?MAX_PACKET?1024????????????????//最大數據塊長度
#define?MAX_PING_PACKET_SIZE?（MAX_PACKET+sizeof（IpHeader））
//最大接收數據包長度

void?fill_icmp_data（char?*int）;
USHORT?checksum（USHORT?*int）;
void?decode_resp（char?*intstruct?sockaddr_in?*）;
DWORD?WINAPI?FindIP（LPVOID?pIPAddrTemp）;
//函數的申明

WSADATA?wsaData;
SOCKET?sockRaw;?????????????//原始套接字
struct?sockaddr_in?destfromend;
//dest：搜索目的IP，
//from：接收ICMP包的源IP
//end：搜索終止IP。

int?fromlen=sizeof（from）;??????????????????????//接收ICMP包長度
char?*recvbuf=new?char[MAX_PING_PACKET_SIZE];??//接受ICMP包緩沖區
unsigned?int?addr=0;???????????????????????????//IP地址
long?ThreadNumCounter=0ThreadNumLimit=20;?????//線程數及最大允許線程數
long?*aa=&ThreadNumCounter;
//全局變量的申明

void?main（）//（int?argcchar?*argv[]）
{
	/*if（argc!=3）???????????????????????????????//判斷格式是否正確
	{
		cout<<“輸入格式錯誤：scanhost?start_ip?end_ip“<		return;
	}*/
	char?ip1[100]ip2[100];
	cout<<“Please?input?IP1?IP2“<	cin?>>?ip1?>>?ip2;
	
		cout<<“ip1=“<	????cout<<“ip2=“<	????cout?<	
	if（WSAStartup（MAKEWORD（21）&wsaData）!=0）
	{
		cout<<“WSAStartup?failed:“<		ExitProcess（STATUS_FAILED）;
	}
//創建原始套接字
	sockRaw=WSASocket（AF_INETSOCK_RAWIPPROTO_ICMPNULL0WSA_FLAG_OVERLAPPED）;
	if?（sockRaw==INVALID_SOCKET）
	{
		cout<<“WSASocket（）?failed:“<		ExitProcess（STATUS_FAILED）;
	}
	int?timeout=1000;
	int?bread=setsockopt（sockRawSOL_SOCKETSO_RCVTIMEO（char*）&timeoutsizeof（timeout））;
	if（bread==SOCKET_ERROR）
	{
		cout<<“failed?to?set?recv?timeou:“<		ExitProcess（STATUS_FAILED）;
	}
	tim