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epc-x2.h
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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2012 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: Manuel Requena <manuel.requena@cttc.es>
19  */
20 
21 #ifndef EPC_X2_H
22 #define EPC_X2_H
23 
24 #include "ns3/socket.h"
25 #include "ns3/callback.h"
26 #include "ns3/ptr.h"
27 #include "ns3/object.h"
28 
29 #include "ns3/epc-x2-sap.h"
30 
31 #include <map>
32 
33 namespace ns3 {
34 
35 
36 class X2IfaceInfo : public SimpleRefCount<X2IfaceInfo>
37 {
38 public:
39  X2IfaceInfo (Ipv4Address remoteIpAddr, Ptr<Socket> localCtrlPlaneSocket, Ptr<Socket> localUserPlaneSocket);
40  virtual ~X2IfaceInfo (void);
41 
42  X2IfaceInfo& operator= (const X2IfaceInfo &);
43 
44 public:
45  Ipv4Address m_remoteIpAddr;
46  Ptr<Socket> m_localCtrlPlaneSocket;
47  Ptr<Socket> m_localUserPlaneSocket;
48 };
49 
50 
51 class X2CellInfo : public SimpleRefCount<X2CellInfo>
52 {
53 public:
54  X2CellInfo (uint16_t localCellId, uint16_t remoteCellId);
55  virtual ~X2CellInfo (void);
56 
57  X2CellInfo& operator= (const X2CellInfo &);
58 
59 public:
60  uint16_t m_localCellId;
61  uint16_t m_remoteCellId;
62 };
63 
64 
70 class EpcX2 : public Object
71 {
72  friend class EpcX2SpecificEpcX2SapProvider<EpcX2>;
73 
74 public:
78  EpcX2 ();
79 
83  virtual ~EpcX2 (void);
84 
85  static TypeId GetTypeId (void);
86  virtual void DoDispose (void);
87 
88 
92  void SetEpcX2SapUser (EpcX2SapUser * s);
93 
97  EpcX2SapProvider* GetEpcX2SapProvider ();
98 
99 
103  void AddX2Interface (uint16_t enb1CellId, Ipv4Address enb1X2Address, uint16_t enb2CellId, Ipv4Address enb2X2Address);
104 
105 
112  void RecvFromX2cSocket (Ptr<Socket> socket);
113 
120  void RecvFromX2uSocket (Ptr<Socket> socket);
121 
122 
123 protected:
124  // Interface provided by EpcX2SapProvider
125  virtual void DoSendHandoverRequest (EpcX2SapProvider::HandoverRequestParams params);
126  virtual void DoSendHandoverRequestAck (EpcX2SapProvider::HandoverRequestAckParams params);
127  virtual void DoSendHandoverPreparationFailure (EpcX2SapProvider::HandoverPreparationFailureParams params);
128  virtual void DoSendSnStatusTransfer (EpcX2SapProvider::SnStatusTransferParams params);
129  virtual void DoSendUeContextRelease (EpcX2SapProvider::UeContextReleaseParams params);
130  virtual void DoSendLoadInformation (EpcX2SapProvider::LoadInformationParams params);
131  virtual void DoSendResourceStatusUpdate (EpcX2SapProvider::ResourceStatusUpdateParams params);
132  virtual void DoSendUeData (EpcX2SapProvider::UeDataParams params);
133 
134  EpcX2SapUser* m_x2SapUser;
135  EpcX2SapProvider* m_x2SapProvider;
136 
137 
138 private:
139 
144  std::map < uint16_t, Ptr<X2IfaceInfo> > m_x2InterfaceSockets;
145 
150  std::map < Ptr<Socket>, Ptr<X2CellInfo> > m_x2InterfaceCellIds;
151 
155  uint16_t m_x2cUdpPort;
156  uint16_t m_x2uUdpPort;
157 
158 };
159 
160 } //namespace ns3
161 
162 #endif // EPC_X2_H