/* -*-  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>

 */

#include "ie-dot11s-peer-management.h"

#include "ns3/assert.h"

//NS_LOG_COMPONENT_DEFINE ("MeshPeerLinkManagementelement");

namespace ns3 {

namespace dot11s {

IePeerManagement::IePeerManagement ():

    m_length (0),

    m_subtype (PEER_OPEN),

    m_localLinkId (0),

    m_peerLinkId (0),

    m_reasonCode (REASON11S_RESERVED)

{}

void

IePeerManagement::SetPeerOpen (uint16_t localLinkId)

{

  m_length = 3;

  m_subtype = PEER_OPEN;

  m_localLinkId = localLinkId;

}

void

{

  m_length = 7;

  m_subtype = PEER_CLOSE;

  m_localLinkId = localLinkId;

  m_peerLinkId = peerLinkId;

  m_reasonCode = reasonCode;

}

void

IePeerManagement::SetPeerConfirm (uint16_t localLinkId, uint16_t peerLinkId)

{

  m_length = 5;

  m_subtype = PEER_CONFIRM;

  m_localLinkId = localLinkId;

  m_peerLinkId = peerLinkId;

}

IePeerManagement::GetReasonCode () const

{

  return m_reasonCode;

}

uint16_t

IePeerManagement::GetLocalLinkId () const

{

  return m_localLinkId;

}

uint16_t

IePeerManagement::GetPeerLinkId () const

{

  return m_peerLinkId;

}

uint8_t

IePeerManagement::GetInformationSize (void) const

{

  return m_length;

}

bool

IePeerManagement::SubtypeIsOpen () const

{

  return (m_subtype == PEER_OPEN);

}

bool

IePeerManagement::SubtypeIsClose () const

{

  return (m_subtype == PEER_CLOSE);

}

bool

IePeerManagement::SubtypeIsConfirm () const

{

  return (m_subtype == PEER_CONFIRM);

}

void

IePeerManagement::SerializeInformation (Buffer::Iterator i) const

{

  i.WriteU8 (m_subtype);

  i.WriteHtonU16 (m_localLinkId);

  if (m_length > 3)

    i.WriteHtonU16 (m_peerLinkId);

  if (m_length > 5)

    i.WriteHtonU16 (m_reasonCode);

}

uint8_t

IePeerManagement::DeserializeInformation (Buffer::Iterator start, uint8_t length)

{

  Buffer::Iterator i = start;

  m_subtype  = i.ReadU8 ();

  m_length = length;

  if (m_subtype == PEER_OPEN)

    NS_ASSERT (length == 3);

  if (m_subtype == PEER_CONFIRM)

    NS_ASSERT (length == 5);

  if (m_subtype == PEER_CLOSE)

    NS_ASSERT (length == 7);

  m_localLinkId  = i.ReadNtohU16 ();

  if (m_length > 3)

    m_peerLinkId = i.ReadNtohU16 ();

  if (m_length > 5)

  return i.GetDistanceFrom (start);

}

void

IePeerManagement::PrintInformation (std::ostream& os) const

{

  //TODO

}

} // namespace dot11s

} //namespace ns3