#pragma once
#include <WinSock.h>
//#include "Logger.h"

#define REQ_DATASIZE 32 //Echo请求数据的大小 

class CMyPingip
{
public:
	CMyPingip(void);
	~CMyPingip(void);
public:  
	HWND m_hWnd; //窗口句柄  
	bool PingFunction(LPCSTR pstrHost/*, Logger *pLog*/); 
	int WaitForEchoReply(SOCKET s);  

	//ICMP回应的请求和回答函数  
	int SendEchoRequest(SOCKET, LPSOCKADDR_IN);  
	DWORD RecvEchoReply(SOCKET, LPSOCKADDR_IN,u_char *pTTL);  
	u_short in_cksum(u_short *addr, int len);  

protected:  

};  


typedef struct IP_HDR  
{  
	u_char  VIHL;      //Version and IHL  

	u_char  TOS;       //Type Of Service  

	short   TotLen;    //总长度  

	short   ID;    //标识  

	short   FlagOff;       //标记  

	u_char  TTL;       //生命期  

	u_char  Protocol;      //协议  

	u_short Checksum;      //检查和  

	struct  in_addr iaSrc; //源地址  

	struct  in_addr iaDst; //目的地址  

}IPHDR, *PIPHDR;  


typedef struct IC_MPHDR  
{  
	u_char  Type;     //类型  

	u_char  Code;     //编码  

	u_short Checksum; //检查和  

	u_short ID;   //标识  

	u_short Seq;      //顺序  

	char    Data;     //数据  

}ICMPHDR, *PICMPHDR;  


typedef struct ICMPECHOREQUEST  
{  
	ICMPHDR icmpHdr;  

	DWORD   dwTime;  

	char    cData[REQ_DATASIZE];  

}ECHOREQUEST, *PECHOREQUEST;  


typedef struct ICMPECHOREPLY  
{  
	IPHDR   iphdr;  

	ECHOREQUEST echorequest;  

	char    cFiller[256];  

}ECHOREPLY, *PECHOREPLY;