ipv6-option-header.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2008-2009 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, MA  02111-1307  USA
 *
 * Author: David Gross <gdavid.devel@gmail.com>
 */

#ifndef IPV6_OPTION_HEADER_H
#define IPV6_OPTION_HEADER_H

#include <ostream>

#include "ns3/header.h"

namespace ns3
{

class Ipv6OptionHeader : public Header 
{
public:

  struct Alignment
  {
    uint8_t factor;   
    uint8_t offset;   
  };

  static TypeId GetTypeId ();

  virtual TypeId GetInstanceTypeId () const;

  Ipv6OptionHeader ();

  virtual ~Ipv6OptionHeader ();

  void SetType (uint8_t type);

  uint8_t GetType () const;

  void SetLength (uint8_t length);

  uint8_t GetLength () const;

  virtual void Print (std::ostream &os) const;

  virtual uint32_t GetSerializedSize () const;

  virtual void Serialize (Buffer::Iterator start) const;

  virtual uint32_t Deserialize (Buffer::Iterator start);

  virtual Alignment GetAlignment () const;

private:
  uint8_t m_type;

  uint8_t m_length;

  Buffer m_data;
};

class Ipv6OptionPad1Header : public Ipv6OptionHeader
{
public:
  static TypeId GetTypeId ();

  virtual TypeId GetInstanceTypeId () const;

  Ipv6OptionPad1Header ();

  virtual ~Ipv6OptionPad1Header ();

  virtual void Print (std::ostream &os) const;

  virtual uint32_t GetSerializedSize () const;

  virtual void Serialize (Buffer::Iterator start) const;

  virtual uint32_t Deserialize (Buffer::Iterator start);
};

class Ipv6OptionPadnHeader : public Ipv6OptionHeader
{
public:
  static TypeId GetTypeId ();

  virtual TypeId GetInstanceTypeId () const;

  Ipv6OptionPadnHeader (uint32_t pad = 2);

  virtual ~Ipv6OptionPadnHeader ();

  virtual void Print (std::ostream &os) const;

  virtual uint32_t GetSerializedSize () const;

  virtual void Serialize (Buffer::Iterator start) const;

  virtual uint32_t Deserialize (Buffer::Iterator start);
};

class Ipv6OptionJumbogramHeader : public Ipv6OptionHeader
{
public:
  static TypeId GetTypeId ();

  virtual TypeId GetInstanceTypeId () const;

  Ipv6OptionJumbogramHeader ();

  virtual ~Ipv6OptionJumbogramHeader ();

  void SetDataLength (uint32_t dataLength);

  uint32_t GetDataLength () const;

  virtual void Print (std::ostream &os) const;

  virtual uint32_t GetSerializedSize () const;

  virtual void Serialize (Buffer::Iterator start) const;

  virtual uint32_t Deserialize (Buffer::Iterator start);

  virtual Alignment GetAlignment () const;

private:
  uint32_t m_dataLength;
};

class Ipv6OptionRouterAlertHeader : public Ipv6OptionHeader
{
public:
  static TypeId GetTypeId ();

  virtual TypeId GetInstanceTypeId () const;

  Ipv6OptionRouterAlertHeader ();

  virtual ~Ipv6OptionRouterAlertHeader ();

  void SetValue (uint16_t value);

  uint16_t GetValue () const;

  virtual void Print (std::ostream &os) const;

  virtual uint32_t GetSerializedSize () const;

  virtual void Serialize (Buffer::Iterator start) const;

  virtual uint32_t Deserialize (Buffer::Iterator start);

  virtual Alignment GetAlignment () const;

private:
  uint16_t m_value;
};

} // namespace ns3

#endif /* IPV6_OPTION_HEADER_H */