nr-epc-gtpu-header.h

// Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
//
// SPDX-License-Identifier: GPL-2.0-only
//
// Author: Jaume Nin <jnin@cttc.cat>
 
#ifndef NR_EPS_GTPU_V1_H
#define NR_EPS_GTPU_V1_H
 
#include "ns3/header.h"
#include "ns3/ipv4-header.h"
#include "ns3/ptr.h"
 
namespace ns3
{
 
class Packet;
 
class NrGtpuHeader : public Header
{
  public:
    static TypeId GetTypeId();
    NrGtpuHeader();
    ~NrGtpuHeader() override;
    TypeId GetInstanceTypeId() const override;
    uint32_t GetSerializedSize() const override;
    void Serialize(Buffer::Iterator start) const override;
    uint32_t Deserialize(Buffer::Iterator start) override;
    void Print(std::ostream& os) const override;
 
    bool GetExtensionHeaderFlag() const;
    uint16_t GetLength() const;
    uint8_t GetMessageType() const;
    uint8_t GetNPduNumber() const;
    bool GetNPduNumberFlag() const;
    uint8_t GetNextExtensionType() const;
    bool GetProtocolType() const;
    uint16_t GetSequenceNumber() const;
    bool GetSequenceNumberFlag() const;
    uint32_t GetTeid() const;
    uint8_t GetVersion() const;
    void SetExtensionHeaderFlag(bool extensionHeaderFlag);
    void SetLength(uint16_t length);
    void SetMessageType(uint8_t messageType);
    void SetNPduNumber(uint8_t nPduNumber);
    void SetNPduNumberFlag(bool nPduNumberFlag);
    void SetNextExtensionType(uint8_t nextExtensionType);
    void SetProtocolType(bool protocolType);
    void SetSequenceNumber(uint16_t sequenceNumber);
    void SetSequenceNumberFlag(bool sequenceNumberFlag);
    void SetTeid(uint32_t teid);
    void SetVersion(uint8_t version);
 
    bool operator==(const NrGtpuHeader& b) const;
 
  private:
    uint8_t m_version; // really a 3 uint3_t
 
    bool m_protocolType;
 
    bool m_extensionHeaderFlag;
 
    bool m_sequenceNumberFlag;
    bool m_nPduNumberFlag;
    uint8_t m_messageType;
    uint16_t m_length;
 
    uint32_t m_teid;
    uint16_t m_sequenceNumber;
    uint8_t m_nPduNumber;
    uint8_t m_nextExtensionType;
};
 
} // namespace ns3
 
#endif /* NR_EPS_GTPU_V1_H */