icmpv4.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2008 INRIA
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */
 
#ifndef ICMPV4_H
#define ICMPV4_H
 
#include "ns3/header.h"
#include "ns3/ptr.h"
#include "ns3/ipv4-header.h"
#include <stdint.h>
 
namespace ns3 {
 
class Packet;
 
class Icmpv4Header : public Header
{
public:
 
  enum Type_e {
    ICMPV4_ECHO_REPLY = 0,
    ICMPV4_DEST_UNREACH = 3,
    ICMPV4_ECHO = 8,
    ICMPV4_TIME_EXCEEDED = 11
  };
 
  void EnableChecksum (void);
 
  void SetType (uint8_t type);
 
  void SetCode (uint8_t code);
 
  uint8_t GetType (void) const;
  uint8_t GetCode (void) const;
 
  static TypeId GetTypeId (void);
  Icmpv4Header ();
  virtual ~Icmpv4Header ();
 
  virtual TypeId GetInstanceTypeId (void) const;
  virtual uint32_t GetSerializedSize (void) const;
  virtual void Serialize (Buffer::Iterator start) const;
  virtual uint32_t Deserialize (Buffer::Iterator start);
  virtual void Print (std::ostream &os) const;
 
private:
  uint8_t m_type; 
  uint8_t m_code; 
  bool m_calcChecksum;  
};
 
class Icmpv4Echo : public Header
{
public:
  void SetIdentifier (uint16_t id);
  void SetSequenceNumber (uint16_t seq);
  void SetData (Ptr<const Packet> data);
  uint16_t GetIdentifier (void) const;
  uint16_t GetSequenceNumber (void) const;
  uint32_t GetDataSize (void) const;
  uint32_t GetData (uint8_t payload[]) const;
 
 
  static TypeId GetTypeId (void);
  Icmpv4Echo ();
  virtual ~Icmpv4Echo ();
  virtual TypeId GetInstanceTypeId (void) const;
  virtual uint32_t GetSerializedSize (void) const;
  virtual void Serialize (Buffer::Iterator start) const;
  virtual uint32_t Deserialize (Buffer::Iterator start);
  virtual void Print (std::ostream &os) const;
private:
  uint16_t m_identifier; 
  uint16_t m_sequence;   
  uint8_t *m_data;       
  uint32_t m_dataSize;   
};
 
class Icmpv4DestinationUnreachable : public Header
{
public:
  enum ErrorDestinationUnreachable_e {
    ICMPV4_NET_UNREACHABLE = 0,
    ICMPV4_HOST_UNREACHABLE = 1,
    ICMPV4_PROTOCOL_UNREACHABLE = 2,
    ICMPV4_PORT_UNREACHABLE = 3,
    ICMPV4_FRAG_NEEDED = 4,
    ICMPV4_SOURCE_ROUTE_FAILED = 5
  };
 
  static TypeId GetTypeId (void);
  Icmpv4DestinationUnreachable ();
  virtual ~Icmpv4DestinationUnreachable ();
 
  void SetNextHopMtu (uint16_t mtu);
  uint16_t GetNextHopMtu (void) const;
 
  void SetData (Ptr<const Packet> data);
  void SetHeader (Ipv4Header header);
 
  void GetData (uint8_t payload[8]) const;
  Ipv4Header GetHeader (void) const;
 
private:
  virtual TypeId GetInstanceTypeId (void) const;
  virtual uint32_t GetSerializedSize (void) const;
  virtual void Serialize (Buffer::Iterator start) const;
  virtual uint32_t Deserialize (Buffer::Iterator start);
  virtual void Print (std::ostream &os) const;
private:
  uint16_t m_nextHopMtu; 
  Ipv4Header m_header;   
  uint8_t m_data[8];     
};
 
 
class Icmpv4TimeExceeded : public Header
{
public:
  enum ErrorTimeExceeded_e
  {
    ICMPV4_TIME_TO_LIVE = 0,
    ICMPV4_FRAGMENT_REASSEMBLY = 1
  };
 
  void SetData (Ptr<const Packet> data);
  void SetHeader (Ipv4Header header);
 
  void GetData (uint8_t payload[8]) const;
  Ipv4Header GetHeader (void) const;
 
  static TypeId GetTypeId (void);
  Icmpv4TimeExceeded ();
  virtual ~Icmpv4TimeExceeded ();
  virtual TypeId GetInstanceTypeId (void) const;
  virtual uint32_t GetSerializedSize (void) const;
  virtual void Serialize (Buffer::Iterator start) const;
  virtual uint32_t Deserialize (Buffer::Iterator start);
  virtual void Print (std::ostream &os) const;
 
private:
  Ipv4Header m_header;   
  uint8_t m_data[8];     
};
 
} // namespace ns3
 
#endif /* ICMPV4_H */