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

/*

 * Copyright (c) 2011,2012 Centre Tecnologic de Telecomunicacions de Catalunya (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: Manuel Requena <manuel.requena@cttc.es> 

 *         Nicola Baldo <nbaldo@cttc.es>

 */

#ifndef LTE_RLC_TM_H

#define LTE_RLC_TM_H

#include "ns3/lte-rlc.h"

#include <ns3/event-id.h>

#include <map>

namespace ns3 {

/**

 * LTE RLC Transparent Mode (TM), see 3GPP TS 36.322

 */

class LteRlcTm : public LteRlc

{

public:

  LteRlcTm ();

  virtual ~LteRlcTm ();

  static TypeId GetTypeId (void);

  virtual void DoDispose ();

  /**

   * RLC SAP

   */

  virtual void DoTransmitPdcpPdu (Ptr<Packet> p);

  /**

   * MAC SAP

   */

  virtual void DoNotifyTxOpportunity (uint32_t bytes, uint8_t layer, uint8_t harqId);

  virtual void DoNotifyHarqDeliveryFailure ();

  virtual void DoReceivePdu (Ptr<Packet> p);

private:

  void ExpireRbsTimer (void);

  void DoReportBufferStatus ();

private:

  uint32_t m_maxTxBufferSize;

  uint32_t m_txBufferSize;

  std::vector < Ptr<Packet> > m_txBuffer;       // Transmission buffer

  EventId m_rbsTimer;

};

} // namespace ns3

#endif // LTE_RLC_TM_H