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

/*

 * Copyright (c) 2011 CTTC

 *

 * 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: Jaume Nin <jaume.nin@cttc.es>

 */

#include "lte-rlc-tag.h"

#include "ns3/tag.h"

#include "ns3/uinteger.h"

namespace ns3 {

NS_OBJECT_ENSURE_REGISTERED (RlcTag);

RlcTag::RlcTag ()

  : m_senderTimestamp (Seconds (0))

{

  // Nothing to do here

}

RlcTag::RlcTag (Time senderTimestamp)

  : m_senderTimestamp (senderTimestamp)

{

  // Nothing to do here

}

TypeId

RlcTag::GetTypeId (void)

{

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

    .SetParent<Tag> ()

    .SetGroupName("Lte")

    .AddConstructor<RlcTag> ();

  return tid;

}

TypeId

RlcTag::GetInstanceTypeId (void) const

{

  return GetTypeId ();

}

uint32_t

RlcTag::GetSerializedSize (void) const

{

  return sizeof(Time);

}

void

RlcTag::Serialize (TagBuffer i) const

{

  int64_t senderTimestamp = m_senderTimestamp.GetNanoSeconds ();

  i.Write ((const uint8_t *)&senderTimestamp, sizeof(int64_t));

}

void

RlcTag::Deserialize (TagBuffer i)

{

  int64_t senderTimestamp;

  i.Read ((uint8_t *)&senderTimestamp, 8);

  m_senderTimestamp   = NanoSeconds (senderTimestamp);

}

void

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

{

  os << m_senderTimestamp;

}

} // namespace ns3