/*

 * 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>

 */

#include "hwmp-tag.h"

namespace ns3 {

namespace dot11s {

NS_OBJECT_ENSURE_REGISTERED (HwmpTag);

//Class HwmpTag:

HwmpTag::HwmpTag () :

  m_address (Mac48Address::GetBroadcast ()), m_ttl (0), m_metric (0), m_seqno (0)

{

}

HwmpTag::~HwmpTag ()

{

}

void

HwmpTag::SetAddress (Mac48Address retransmitter)

{

  m_address = retransmitter;

}

Mac48Address

HwmpTag::GetAddress ()

{

  return m_address;

}

void

HwmpTag::SetTtl (uint8_t ttl)

{

  m_ttl = ttl;

}

uint8_t

HwmpTag::GetTtl ()

{

  return m_ttl;

}

void

HwmpTag::SetMetric (uint32_t metric)

{

  m_metric = metric;

}

uint32_t

HwmpTag::GetMetric ()

{

  return m_metric;

}

void

HwmpTag::SetSeqno (uint32_t seqno)

{

  m_seqno = seqno;

}

uint32_t

HwmpTag::GetSeqno ()

{

  return m_seqno;

}

TypeId

HwmpTag::GetTypeId ()

{

  static TypeId tid = TypeId ("ns3::dot11s::HwmpTag").SetParent<Tag> ().AddConstructor<HwmpTag> ();

  return tid;

}

TypeId

HwmpTag::GetInstanceTypeId () const

{

  return GetTypeId ();

}

uint32_t

HwmpTag::GetSerializedSize () const

{

  return 6 //address

         + 1 //ttl

         + 4 //metric

         + 4; //seqno

}

void

HwmpTag::Serialize (TagBuffer i) const

{

  uint8_t address[6];

  int j;

  m_address.CopyTo (address);

  i.WriteU8 (m_ttl);

  i.WriteU32 (m_metric);

  i.WriteU32 (m_seqno);

  for (j = 0; j < 6; j++)

    {

      i.WriteU8 (address[j]);

    }

}

void

HwmpTag::Deserialize (TagBuffer i)

{

  uint8_t address[6];

  int j;

  m_ttl = i.ReadU8 ();

  m_metric = i.ReadU32 ();

  m_seqno = i.ReadU32 ();

  for (j = 0; j < 6; j++)

    {

      address[j] = i.ReadU8 ();

    }

  m_address.CopyFrom (address);

}

void

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

{

  os << "address=" << m_address;

  os << "ttl=" << m_ttl;

  os << "metrc=" << m_metric;

  os << "seqno=" << m_seqno;

}

void

HwmpTag::DecrementTtl ()

{

  m_ttl--;

}

} //namespace dot11s

} //namespace ns3