ipv6-extension-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_EXTENSION_HEADER_H
#define IPV6_EXTENSION_HEADER_H
 
#include <vector>
#include <list>
#include <ostream>
 
#include "ns3/header.h"
#include "ns3/ipv6-address.h"
#include "ipv6-option-header.h"
 
namespace ns3
{
 
class Ipv6ExtensionHeader : public Header 
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionHeader ();
 
  virtual ~Ipv6ExtensionHeader ();
 
  void SetNextHeader (uint8_t nextHeader);
 
  uint8_t GetNextHeader () const;
 
  void SetLength (uint16_t length);
 
  uint16_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);
 
protected:
  uint8_t m_length;
 
private:
  uint8_t m_nextHeader;
 
  Buffer m_data;
};
 
class OptionField
{
public:
  OptionField (uint32_t optionsOffset);
 
  ~OptionField ();
 
  uint32_t GetSerializedSize () const;
 
  void Serialize (Buffer::Iterator start) const;
 
  uint32_t Deserialize (Buffer::Iterator start, uint32_t length);
 
  void AddOption (Ipv6OptionHeader const& option);
 
  uint32_t GetOptionsOffset ();
 
  Buffer GetOptionBuffer ();
 
private:
 
  uint32_t CalculatePad (Ipv6OptionHeader::Alignment alignment) const;
 
  Buffer m_optionData;
 
  uint32_t m_optionsOffset;
};
 
class Ipv6ExtensionHopByHopHeader : public Ipv6ExtensionHeader, public OptionField
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionHopByHopHeader ();
 
  virtual ~Ipv6ExtensionHopByHopHeader ();
 
  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 Ipv6ExtensionDestinationHeader : public Ipv6ExtensionHeader, public OptionField
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionDestinationHeader ();
 
  virtual ~Ipv6ExtensionDestinationHeader ();
 
  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 Ipv6ExtensionFragmentHeader : public Ipv6ExtensionHeader
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionFragmentHeader ();
 
  virtual ~Ipv6ExtensionFragmentHeader ();
 
  void SetOffset (uint16_t offset);
 
  uint16_t GetOffset () const;
 
  void SetMoreFragment (bool moreFragment);
 
  bool GetMoreFragment () const;
 
  void SetIdentification (uint32_t identification);
 
  uint32_t GetIdentification () 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);
 
private:
  uint16_t m_offset;
 
  uint32_t m_identification;
};
 
class Ipv6ExtensionRoutingHeader : public Ipv6ExtensionHeader
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionRoutingHeader ();
 
  virtual ~Ipv6ExtensionRoutingHeader ();
 
  void SetTypeRouting (uint8_t typeRouting);
 
  uint8_t GetTypeRouting () const;
 
  void SetSegmentsLeft (uint8_t segmentsLeft);
 
  uint8_t GetSegmentsLeft () 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);
 
private:
  uint8_t m_typeRouting;
 
  uint8_t m_segmentsLeft;
};
 
class Ipv6ExtensionLooseRoutingHeader : public Ipv6ExtensionRoutingHeader
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionLooseRoutingHeader ();
 
  virtual ~Ipv6ExtensionLooseRoutingHeader ();
 
  void SetNumberAddress (uint8_t n);
 
  void SetRoutersAddress (std::vector<Ipv6Address> routersAddress);
 
  std::vector<Ipv6Address> GetRoutersAddress () const;
 
  void SetRouterAddress (uint8_t index, Ipv6Address addr);
 
  Ipv6Address GetRouterAddress (uint8_t index) 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);
 
private:
  typedef std::vector<Ipv6Address> VectorIpv6Address_t;
 
  VectorIpv6Address_t m_routersAddress;
};
 
class Ipv6ExtensionESPHeader : public Ipv6ExtensionHeader
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionESPHeader ();
 
  virtual ~Ipv6ExtensionESPHeader ();
 
  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 Ipv6ExtensionAHHeader : public Ipv6ExtensionHeader
{
public:
  static TypeId GetTypeId ();
 
  virtual TypeId GetInstanceTypeId () const;
 
  Ipv6ExtensionAHHeader ();
 
  virtual ~Ipv6ExtensionAHHeader ();
 
  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);
};
 
} // namespace ns3
 
#endif /* IPV6_EXTENSION_HEADER_H */