#pragma once

#include <vector>

#define ICMP_ECHO 8 
#define ICMP_ECHOREPLY 0 
#define ICMP_MIN 8 // minimum 8 byte icmp packet (just header) 
/* The IP header */ 
typedef struct iphdr { 
	unsigned int h_len:4; // length of the header 
	unsigned int version:4; // Version of IP 
	unsigned char tos; // Type of service 
	unsigned short total_len; // total length of the packet 
	unsigned short ident; // unique identifier 
	unsigned short frag_and_flags; // flags 
	unsigned char ttl; 
	unsigned char proto; // protocol (TCP, UDP etc) 
	unsigned short checksum; // IP checksum 
	unsigned int sourceIP; 
	unsigned int destIP; 
}IpHeader; 
// 
// ICMP header 
// 
typedef struct icmphdr 
{ 
	BYTE i_type; 
	BYTE i_code; /* type sub code */ 
	USHORT i_cksum; 
	USHORT i_id; 
	USHORT i_seq; 
	/* This is not the std header, but we reserve space for time */ 
	ULONG timestamp; 
}IcmpHeader; 

using namespace std; // 在这里声明

typedef struct __ROUTERALARMSTRUCT
{
	CString strIP;
	int nAlarmType;
	int nConfirm;
}ROUTERALARMSTRUCT, *PROUTERALARMSTRUCT;


#define STATUS_FAILED 0xFFFF 
#define DEF_PACKET_SIZE    32
#define DEF_PACKET_NUMBER  4    /* 发送数据报的个数 */
#define MAX_PACKET 1024 
#define xmalloc(s) HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(s)) 
#define xfree(p) HeapFree (GetProcessHeap(),0,(p)) 

extern ROUTERALARMSTRUCT g_tagRouterAlarm;
extern vector<__ROUTERALARMSTRUCT > RouterAlarmArray;

extern void fill_icmp_data(char *, int); 
extern USHORT checksum(USHORT *, int); 
extern int decode_resp(char *,int ,struct sockaddr_in *); 
extern int Ping(UINT nRetries, LPCSTR pstrHost);
extern int InitPing(void);
extern void UnInitPing(void);