lte-pdcp.h

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/* -*-  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>
 */
 
#ifndef LTE_PDCP_H
#define LTE_PDCP_H
 
#include "ns3/traced-value.h"
#include "ns3/trace-source-accessor.h"
 
#include "ns3/object.h"
 
#include "ns3/lte-pdcp-sap.h"
#include "ns3/lte-rlc-sap.h"
 
namespace ns3 {
 
class LtePdcp : public Object // SimpleRefCount<LtePdcp>
{
  friend class LtePdcpSpecificLteRlcSapUser;
  friend class LtePdcpSpecificLtePdcpSapProvider<LtePdcp>;
public:
  LtePdcp ();
  virtual ~LtePdcp ();
  static TypeId GetTypeId (void);
  virtual void DoDispose ();
 
  void SetRnti (uint16_t rnti);
 
  void SetLcId (uint8_t lcId);
 
  void SetLtePdcpSapUser (LtePdcpSapUser * s);
 
  LtePdcpSapProvider* GetLtePdcpSapProvider ();
 
  void SetLteRlcSapProvider (LteRlcSapProvider * s);
 
  LteRlcSapUser* GetLteRlcSapUser ();
 
  static const uint16_t MAX_PDCP_SN = 4096;
 
  struct Status
  {
    uint16_t txSn; 
    uint16_t rxSn; 
  };
 
  Status GetStatus ();
 
  void SetStatus (Status s);
 
  typedef void (* PduTxTracedCallback)
    (uint16_t rnti, uint8_t lcid, uint32_t size);
 
  typedef void (* PduRxTracedCallback)
    (const uint16_t rnti, const uint8_t lcid,
     const uint32_t size, const uint64_t delay);
 
protected:
  virtual void DoTransmitPdcpSdu (LtePdcpSapProvider::TransmitPdcpSduParameters params);
 
  LtePdcpSapUser* m_pdcpSapUser; 
  LtePdcpSapProvider* m_pdcpSapProvider; 
 
  virtual void DoReceivePdu (Ptr<Packet> p);
 
  LteRlcSapUser* m_rlcSapUser; 
  LteRlcSapProvider* m_rlcSapProvider; 
 
  uint16_t m_rnti; 
  uint8_t m_lcid; 
 
  TracedCallback<uint16_t, uint8_t, uint32_t> m_txPdu;
  TracedCallback<uint16_t, uint8_t, uint32_t, uint64_t> m_rxPdu;
 
private:
  uint16_t m_txSequenceNumber;
  uint16_t m_rxSequenceNumber;
 
  static const uint16_t m_maxPdcpSn = 4095;
 
};
 
 
} // namespace ns3
 
#endif // LTE_PDCP_H