lte-rlc-header.h

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/*
 * Copyright (c) 2011 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_RLC_HEADER_H
#define LTE_RLC_HEADER_H
 
#include "ns3/header.h"
#include "ns3/lte-rlc-sequence-number.h"
 
#include <list>
 
namespace ns3
{
 
class LteRlcHeader : public Header
{
  public:
    LteRlcHeader();
    ~LteRlcHeader() override;
 
    void SetFramingInfo(uint8_t framingInfo);
    void SetSequenceNumber(SequenceNumber10 sequenceNumber);
 
    uint8_t GetFramingInfo() const;
    SequenceNumber10 GetSequenceNumber() const;
 
    void PushExtensionBit(uint8_t extensionBit);
    void PushLengthIndicator(uint16_t lengthIndicator);
 
    uint8_t PopExtensionBit();
    uint16_t PopLengthIndicator();
 
    typedef enum
    {
        DATA_FIELD_FOLLOWS = 0,
        E_LI_FIELDS_FOLLOWS = 1
    } ExtensionBit_t; 
 
    typedef enum
    {
        FIRST_BYTE = 0x00,
        NO_FIRST_BYTE = 0x02
    } FramingInfoFirstByte_t; 
 
    typedef enum
    {
        LAST_BYTE = 0x00,
        NO_LAST_BYTE = 0x01
    } FramingInfoLastByte_t; 
 
    static TypeId GetTypeId();
    TypeId GetInstanceTypeId() const override;
    void Print(std::ostream& os) const override;
    uint32_t GetSerializedSize() const override;
    void Serialize(Buffer::Iterator start) const override;
    uint32_t Deserialize(Buffer::Iterator start) override;
 
  private:
    uint16_t m_headerLength;           
    uint8_t m_framingInfo;             
    SequenceNumber10 m_sequenceNumber; 
 
    std::list<uint8_t> m_extensionBits;     
    std::list<uint16_t> m_lengthIndicators; 
};
 
}; // namespace ns3
 
#endif // LTE_RLC_HEADER_H