epc-gtpu-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: Jaume Nin <jnin@cttc.cat>
 */
 
#ifndef EPS_GTPU_V1_H
#define EPS_GTPU_V1_H
 
#include <ns3/header.h>
#include <ns3/ipv4-header.h>
#include <ns3/ptr.h>
 
namespace ns3
{
 
class Packet;
 
class GtpuHeader : public Header
{
  public:
    static TypeId GetTypeId();
    GtpuHeader();
    ~GtpuHeader() 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 GtpuHeader& 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 /* EPS_GTPU_V1_H */