/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2008,2009 IITP RAS

 *

 * 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: Kirill Andreev <andreev@iitp.ru>

 *          Aleksey Kovalenko <kovalenko@iitp.ru>

 */

#ifndef MESH_PEER_MAN_ELEMENT

#define MESH_PEER_MAN_ELEMENT

#include	<stdint.h>

#include	"ns3/buffer.h"

#include	"dot11s-codes.h"

namespace ns3

{

class PeerLinkManagementElement

{

	public:

		enum Subtype {

			PEER_OPEN    = 0,

			PEER_CLOSE   = 1,

			PEER_CONFIRM = 2,

		};

	public:

		PeerLinkManagementElement ();

		void			SetPeerOpen(uint16_t localLinkId);

		void			SetPeerClose(uint16_t localLinkID, uint16_t peerLinkId, dot11sReasonCode reasonCode);

		void			SetPeerConfirm(uint16_t localLinkID, uint16_t peerLinkId);

		dot11sReasonCode	GetReasonCode() const;

		uint16_t		GetLocalLinkId() const;

		uint16_t		GetPeerLinkId() const;

		bool			SubtypeIsOpen() const;

		bool			SubtypeIsClose() const;

		bool			SubtypeIsConfirm() const ;

		uint32_t		GetSerializedSize (void) const;

		Buffer::Iterator	Serialize (Buffer::Iterator i) const;

		Buffer::Iterator	Deserialize (Buffer::Iterator i);

	private:

		uint8_t			m_length;

		uint8_t			m_subtype;

		uint16_t		m_localLinkId;	//always is present

		uint16_t		m_peerLinkId;	//only in confirm and may be present in close frame

		dot11sReasonCode	m_reasonCode;	//only in close frame

};

} //namespace NS3

#endif