lte-pdcp.h

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/*
 * 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 "lte-pdcp-sap.h"
#include "lte-rlc-sap.h"
 
#include "ns3/object.h"
#include "ns3/trace-source-accessor.h"
#include "ns3/traced-value.h"
 
namespace ns3
{
 
class LtePdcp : public Object // SimpleRefCount<LtePdcp>
{
    friend class LtePdcpSpecificLteRlcSapUser;
    friend class LtePdcpSpecificLtePdcpSapProvider<LtePdcp>;
 
  public:
    LtePdcp();
    ~LtePdcp() override;
    static TypeId GetTypeId();
    void DoDispose() override;
 
    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() const;
 
    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