/* -*- 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, MA  02111-1307  USA

 *

 * Author: David Gross <gdavid.devel@gmail.com>

 */

#ifndef IPV6_EXTENSION_DEMUX_H

#define IPV6_EXTENSION_DEMUX_H

#include <list>

#include "ns3/object.h"

#include "ns3/ptr.h"

namespace ns3

{

class Ipv6Extension;

class Node;

/**

 * \class Ipv6ExtensionDemux

 * \brief Demultiplexes IPv6 extensions.

 */

class Ipv6ExtensionDemux : public Object

{

public:

  /**

   * \brief The interface ID.

   * \return type ID

   */

  static TypeId GetTypeId (void);

  /**

   * \brief Constructor.

   */

  Ipv6ExtensionDemux ();

  /**

   * \brief Destructor.

   */

  virtual ~Ipv6ExtensionDemux ();

  /**

   * \brief Set the node.

   * \param node the node to set

   */

  void SetNode (Ptr<Node> node);

  /**

   * \brief Insert a new IPv6 Extension.

   * \param extension the extension to insert

   */

  void Insert (Ptr<Ipv6Extension> extension);

  /**

   * \brief Get the extension corresponding to extensionNumber.

   * \param extensionNumber extension number of the extension to retrieve

   * \return a matching IPv6 extension

   */

  Ptr<Ipv6Extension> GetExtension (uint8_t extensionNumber);

  /**

   * \brief Remove an extension from this demux.

   * \param extension pointer on the extension to remove

   */

  void Remove (Ptr<Ipv6Extension> extension);

protected:

  /**

   * \brief Dispose object.

   */

  virtual void DoDispose ();

private:

  typedef std::list<Ptr<Ipv6Extension> > Ipv6ExtensionList_t;

  /**

   * \brief List of IPv6 Extensions supported.

   */

  Ipv6ExtensionList_t m_extensions;

  /**

   * \brief The node.

   */

  Ptr<Node> m_node;

};

} /* namespace ns3 */

#endif /* IPV6_EXTENSION_DEMUX_H */