ipv6-option.h

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/* -*- Mode: C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2007-2009 Strasbourg University
 *
 * 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, MA02111-1307USA
 *
 * Author: David Gross <gdavid.devel@gmail.com>
 */

#ifndef IPV6_OPTION_H
#define IPV6_OPTION_H

#include <map>

#include "ns3/object.h"
#include "ns3/node.h"
#include "ns3/ptr.h"
#include "ipv6-interface.h"
#include "ns3/ipv6-header.h"
#include "ns3/buffer.h"
#include "ns3/packet.h"
#include "ns3/ipv6-address.h"

namespace ns3
{

class Ipv6Option : public Object
{
public:
  static TypeId GetTypeId ();

  virtual ~Ipv6Option ();

  void SetNode (Ptr<Node> node);

  virtual uint8_t GetOptionNumber () const = 0;

  virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped) = 0;

private:
  Ptr<Node> m_node;
};

class Ipv6OptionPad1 : public Ipv6Option
{
public:
  static const uint8_t OPT_NUMBER = 0;

  static TypeId GetTypeId ();

  Ipv6OptionPad1 ();

  ~Ipv6OptionPad1 ();

  virtual uint8_t GetOptionNumber () const;

  virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
};

class Ipv6OptionPadn : public Ipv6Option
{
public:
  static const uint8_t OPT_NUMBER = 60;

  static TypeId GetTypeId ();

  Ipv6OptionPadn ();

  ~Ipv6OptionPadn ();

  virtual uint8_t GetOptionNumber () const;

  virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
};

class Ipv6OptionJumbogram : public Ipv6Option
{
public:
  static const uint8_t OPT_NUMBER = 44;

  static TypeId GetTypeId ();

  Ipv6OptionJumbogram ();

  ~Ipv6OptionJumbogram ();

  virtual uint8_t GetOptionNumber () const;

  virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);

private:
  uint32_t m_length;
};

class Ipv6OptionRouterAlert : public Ipv6Option
{
public:
  static const uint8_t OPT_NUMBER = 43;

  static TypeId GetTypeId ();

  Ipv6OptionRouterAlert ();

  ~Ipv6OptionRouterAlert ();

  virtual uint8_t GetOptionNumber () const;

  virtual uint8_t Process (Ptr<Packet> packet, uint8_t offset, Ipv6Header const& ipv6Header, bool& isDropped);
};

} /* namespace ns3 */

#endif /* IPV6_OPTION_H */