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epc-gtpu-header.h
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Jaume Nin <jnin@cttc.cat>
19  */
20 
21 
22 #ifndef EPS_GTPU_V1_H
23 #define EPS_GTPU_V1_H
24 
25 #include <ns3/ptr.h>
26 #include <ns3/header.h>
27 #include <ns3/ipv4-header.h>
28 
29 namespace ns3 {
30 
31 class Packet;
32 
33 
39 class GtpuHeader : public Header
40 {
41 public:
42  static TypeId GetTypeId (void);
43  GtpuHeader ();
44  virtual ~GtpuHeader ();
45  virtual TypeId GetInstanceTypeId (void) const;
46  virtual uint32_t GetSerializedSize (void) const;
47  virtual void Serialize (Buffer::Iterator start) const;
48  virtual uint32_t Deserialize (Buffer::Iterator start);
49  virtual void Print (std::ostream &os) const;
50 
51  bool GetExtensionHeaderFlag () const;
52  uint16_t GetLength () const;
53  uint8_t GetMessageType () const;
54  uint8_t GetNPduNumber () const;
55  bool GetNPduNumberFlag () const;
56  uint8_t GetNextExtensionType () const;
57  bool GetProtocolType () const;
58  uint16_t GetSequenceNumber () const;
59  bool GetSequenceNumberFlag () const;
60  uint32_t GetTeid () const;
61  uint8_t GetVersion () const;
62  void SetExtensionHeaderFlag (bool m_extensionHeaderFlag);
63  void SetLength (uint16_t m_length);
64  void SetMessageType (uint8_t m_messageType);
65  void SetNPduNumber (uint8_t m_nPduNumber);
66  void SetNPduNumberFlag (bool m_nPduNumberFlag);
67  void SetNextExtensionType (uint8_t m_nextExtensionType);
68  void SetProtocolType (bool m_protocolType);
69  void SetSequenceNumber (uint16_t m_sequenceNumber);
70  void SetSequenceNumberFlag (bool m_sequenceNumberFlag);
71  void SetTeid (uint32_t m_teid);
72  void SetVersion (uint8_t m_version);
73 
74  bool operator == (const GtpuHeader& b) const;
75 
76 
77 private:
81  uint8_t m_version; // really a 3 uint3_t
82 
87  bool m_protocolType;
88 
95  bool m_extensionHeaderFlag;
96 
103  bool m_sequenceNumberFlag;
110  bool m_nPduNumberFlag;
114  uint8_t m_messageType;
121  uint16_t m_length;
122 
128  uint32_t m_teid;
134  uint16_t m_sequenceNumber;
141  uint8_t m_nPduNumber;
146  uint8_t m_nextExtensionType;
147 
148 };
149 
150 } // namespace ns3
151 
152 #endif /* EPS_GTPU_V1_H */