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/*
Copyright (c) 2015-2015 Cisco Systems, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef _ICMP_HEADER_H_
#define _ICMP_HEADER_H_
#include "PacketHeaderBase.h"
#include "IPHeader.h"
class ICMPHeader
{
public:
enum {
TYPE_ECHO_REPLY = 0,
TYPE_ECHO_REQUEST = 8,
};
ICMPHeader()
{
setCode(0);
setType(0);
setSeqNum(0xDEAD);
setId(0xBEEF);
setChecksum(0);
}
ICMPHeader(uint8_t argType,
uint8_t argCode,
uint16_t argId,
uint16_t argSeqNum)
{
setType(argType);
setCode(argCode);
setId(argId);
setSeqNum(argSeqNum);
}
inline void setCode(uint8_t data);
inline uint8_t getCode();
inline void setType(uint8_t data);
inline uint8_t getType();
inline void setSeqNum(uint16_t data);
inline uint16_t getSeqNum();
inline void setId(uint16_t data);
inline uint16_t getId();
inline void setChecksum(uint16_t data);
inline uint16_t getChecksum();
inline void updateCheckSum(uint16_t len);
inline bool isCheckSumOk(uint16_t len);
inline uint16_t calcCheckSum(uint16_t len);
////////////////////////////////////////////////////////////////////////////////////////
// Common Header Interface
////////////////////////////////////////////////////////////////////////////////////////
public:
inline uint8_t* getPointer (){return (uint8_t*)this;}
inline uint32_t getSize (){return 8;}
void dump (FILE* fd);
private:
uint8_t myType;
uint8_t myCode;
uint16_t myChecksum;
uint16_t myId;
uint16_t mySeqNum;
};
#include "IcmpHeader.inl"
#endif
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