ipv6-packet-info-tag.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2010 Hajime Tazaki
 *
 * 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
 *
 * Authors: Hajime Tazaki <tazaki@sfc.wide.ad.jp>
 */

#ifndef IPV6_PACKET_INFO_TAG_H
#define IPV6_PACKET_INFO_TAG_H

#include "ns3/tag.h"
#include "ns3/ipv6-address.h"

namespace ns3 {


class Node;
class Packet;

class Ipv6PacketInfoTag : public Tag
{
public:
  Ipv6PacketInfoTag ();

  static TypeId GetTypeId (void);

  void SetAddress (Ipv6Address addr);

  Ipv6Address GetAddress (void) const;

  void SetRecvIf (uint32_t ifindex);

  uint32_t GetRecvIf (void) const;

  void SetHoplimit (uint8_t ttl);

  uint8_t GetHoplimit (void) const;

  void SetTrafficClass (uint8_t tclass);

  uint8_t GetTrafficClass (void) const;

  // inherited functions, no doc necessary
  virtual TypeId GetInstanceTypeId (void) const;
  virtual uint32_t GetSerializedSize (void) const;
  virtual void Serialize (TagBuffer i) const;
  virtual void Deserialize (TagBuffer i);
  virtual void Print (std::ostream &os) const;

private:
  /* 
   * RFC 3542 includes
   * for outgoing packet,
   *  1.  the source IPv6 address,
   *  2.  the outgoing interface index,
   *  3.  the outgoing hop limit,
   *  4.  the next hop address, and
   *  5.  the outgoing traffic class value.
   *
   * for incoming packet,
   *  1.  the destination IPv6 address,
   *  2.  the arriving interface index,
   *  3.  the arriving hop limit, and
   *  4.  the arriving traffic class value.
  */
  Ipv6Address m_addr;  
  uint8_t m_ifindex;   
  uint8_t m_hoplimit;  
  uint8_t m_tclass;    
};
} // namespace ns3

#endif /* IPV6_PACKET_INFO_TAG_H */