#ifdef	_WIN32
#ifndef _PING_
#define _PING_

#include <iostream>
#include <windows.h>
#include <string>

#define DEF_BUF_SIZE 1024
#define ICMP_DATA_SIZE 32
#define IP_HEADER_SIZE 20
#define ICMP_HEADER_SIZE 12
#define ICMP_PACK_SIZE ICMP_HEADER_SIZE+ICMP_DATA_SIZE

typedef struct _ICMP_HEADER
{
	BYTE bType;//类型
	BYTE bCode;//代码
	USHORT nCheckSum;//校验和
	USHORT nId;//标识本进程ID
	USHORT nSequence;//序列号
	UINT nTimeStamp;//用于计算时间
}ICMP_HEADRE,*PICMP_HEADER;


class CPing
{
public:
	//windows ping ip
	static int Ping(const std::string& DestIp,const int delayTime = 1000);

private:

	//Helper function to fill in various stuff in our ICMP request.
	static USHORT GetCheckSum(LPBYTE lpBuf,DWORD dwSize);

};

#endif
#endif