/*
 * IcmpEchoReply.h 
 * Copyright (c) 2011 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// SOL9
// 2010/08/27

#pragma once
#include <sol/Object.h>
#include <icmpapi.h>
#include <sol/String.h>

/*
typedef struct icmp_echo_reply {
  IPAddr                       Address;
  ULONG                        Status;
  ULONG                        RoundTripTime;
  USHORT                       DataSize;
  USHORT                       Reserved;
  PVOID                        Data;
  struct ip_option_information Options;
} ICMP_ECHO_REPLY, *PICMP_ECHO_REPLY;
*/

namespace SOL {
 
class IcmpEchoReply :public Object {
private:
    PICMP_ECHO_REPLY pIcmpEchoReply;
private:
    DWORD replySize;

public:
    IcmpEchoReply()
        :pIcmpEchoReply(NULL),
        replySize(0)
    {
    }


public:
    ~IcmpEchoReply()
    {
        if (pIcmpEchoReply) {
            delete [] (char*) pIcmpEchoReply;
            pIcmpEchoReply = NULL;
        }
    }

public:
    void* alloc(int dataSize, DWORD& bufferLen)
    {
        bufferLen = sizeof(ICMP_ECHO_REPLY) + dataSize;
        replySize = bufferLen;

        void* replyBuffer = new char[bufferLen];
        memset(replyBuffer, 0, bufferLen);

        pIcmpEchoReply = (PICMP_ECHO_REPLY)replyBuffer;
        return replyBuffer;
    }

public:
    ULONG getStatus()
    {
        return pIcmpEchoReply->Status;
    }

public:
    ULONG getStatus(String& status)
    {
       switch (pIcmpEchoReply->Status) {
        case IP_DEST_HOST_UNREACHABLE:
            status = "Destination host was unreachable";
            break;
        case IP_DEST_NET_UNREACHABLE:
            status = "Destination Network was unreachabl";
            break;
        case IP_REQ_TIMED_OUT:
            status = "Request timed out";
            break;
        default:
            status = "";
            break;
        }
        return pIcmpEchoReply->Status;
    }

public:
    ULONG getRoundTripTime()
    {
        return pIcmpEchoReply->RoundTripTime;
    }

public:
    USHORT getDataSize(){
        return pIcmpEchoReply->DataSize;
    }

public:
    char* getData() {
        return (char*)pIcmpEchoReply->Data;
    }

public:
    in_addr getReplyAddr()
    {
        struct in_addr replyAddr;
        replyAddr.S_un.S_addr = pIcmpEchoReply->Address;
        return replyAddr;
    }

public:
    void getReplyAddr(String& addr)
    {
        in_addr replyAddr = getReplyAddr();
        addr =  inet_ntoa(replyAddr);
    }

public:
    void* getReplyBuffer()
    {
        return (void*) pIcmpEchoReply;
    }

public:
    DWORD getReplySize()
    {
        return replySize;
    }

public:
    DWORD parse()
    {
        return IcmpParseReplies(getReplyBuffer(), getReplySize()); 
    }

public:
    void display()
    {
        String strStatus;
        ULONG status = getStatus(strStatus);
        String addr;
        getReplyAddr(addr);

        char* data = getData();
        ULONG roundTripTime = getRoundTripTime();

        printf("Status       : %d %s\n", status, (const char*)strStatus);
        printf("ReplyAddress : %s\n", (const char*)addr);
        printf("RoundTripTime: %d\n", roundTripTime);
        printf("Data         : %s\n", data);

    }

};


}