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

/*

 * Copyright (c) 2009 MIRKO BANCHI

 *

 * 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: Mirko Banchi <mk.banchi@gmail.com>

 */

#include "amsdu-subframe-header.h"

#include "ns3/address-utils.h"

#include "ns3/log.h"

namespace ns3 {

NS_LOG_COMPONENT_DEFINE ("AmsduSubframeHeader");

NS_OBJECT_ENSURE_REGISTERED (AmsduSubframeHeader);

TypeId

AmsduSubframeHeader::GetTypeId ()

{

  static TypeId tid = TypeId ("ns3::AmsduSubframeHeader")

    .SetParent<Header> ()

    .SetGroupName ("Wifi")

    .AddConstructor<AmsduSubframeHeader> ()

  ;

  return tid;

}

TypeId

AmsduSubframeHeader::GetInstanceTypeId (void) const

{

  return GetTypeId ();

}

AmsduSubframeHeader::AmsduSubframeHeader ()

  : m_length (0)

{

  NS_LOG_FUNCTION (this);

}

AmsduSubframeHeader::~AmsduSubframeHeader ()

{

  NS_LOG_FUNCTION (this);

}

uint32_t

AmsduSubframeHeader::GetSerializedSize () const

{

  NS_LOG_FUNCTION (this);

  return (6 + 6 + 2);

}

void

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

{

  NS_LOG_FUNCTION (this << &i);

  WriteTo (i, m_da);

  WriteTo (i, m_sa);

  i.WriteHtonU16 (m_length);

}

uint32_t

AmsduSubframeHeader::Deserialize (Buffer::Iterator start)

{

  NS_LOG_FUNCTION (this << &start);

  Buffer::Iterator i = start;

  ReadFrom (i, m_da);

  ReadFrom (i, m_sa);

  m_length = i.ReadNtohU16 ();

  return i.GetDistanceFrom (start);

}

void

AmsduSubframeHeader::Print (std::ostream &os) const

{

  NS_LOG_FUNCTION (this << &os);

  os << "DA = " << m_da << ", SA = " << m_sa << ", length = " << m_length;

}

void

AmsduSubframeHeader::SetDestinationAddr (Mac48Address to)

{

  NS_LOG_FUNCTION (this << to);

  m_da = to;

}

void

AmsduSubframeHeader::SetSourceAddr (Mac48Address from)

{

  NS_LOG_FUNCTION (this << from);

  m_sa = from;

}

void

AmsduSubframeHeader::SetLength (uint16_t length)

{

  NS_LOG_FUNCTION (this << length);

  m_length = length;

}

Mac48Address

AmsduSubframeHeader::GetDestinationAddr (void) const

{

  NS_LOG_FUNCTION (this);

  return m_da;

}

Mac48Address

AmsduSubframeHeader::GetSourceAddr (void) const

{

  NS_LOG_FUNCTION (this);

  return m_sa;

}

uint16_t

AmsduSubframeHeader::GetLength (void) const

{

  NS_LOG_FUNCTION (this);

  return m_length;

}