A Discrete-Event Network Simulator
API
epc-sgw-application.h
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1/*
2 * Copyright (c) 2017-2018 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Author: Manuel Requena <manuel.requena@cttc.es>
18 */
19
20#ifndef EPC_SGW_APPLICATION_H
21#define EPC_SGW_APPLICATION_H
22
23#include "ns3/address.h"
24#include "ns3/application.h"
25#include "ns3/epc-gtpc-header.h"
26#include "ns3/socket.h"
27
28namespace ns3
29{
30
49{
50 public:
55 static TypeId GetTypeId();
56 void DoDispose() override;
57
66 EpcSgwApplication(const Ptr<Socket> s1uSocket,
67 Ipv4Address s5Addr,
68 const Ptr<Socket> s5uSocket,
69 const Ptr<Socket> s5cSocket);
70
72 ~EpcSgwApplication() override;
73
80 void AddMme(Ipv4Address mmeS11Addr, Ptr<Socket> s11Socket);
81
87 void AddPgw(Ipv4Address pgwAddr);
88
96 void AddEnb(uint16_t cellId, Ipv4Address enbAddr, Ipv4Address sgwAddr);
97
98 private:
105 void RecvFromS11Socket(Ptr<Socket> socket);
106
114 void RecvFromS5uSocket(Ptr<Socket> socket);
115
122 void RecvFromS5cSocket(Ptr<Socket> socket);
123
131 void RecvFromS1uSocket(Ptr<Socket> socket);
132
140 void SendToS5uSocket(Ptr<Packet> packet, Ipv4Address pgwAddr, uint32_t teid);
141
149 void SendToS1uSocket(Ptr<Packet> packet, Ipv4Address enbS1uAddress, uint32_t teid);
150
151 // Process messages received from the MME
152
158
164
170
176
177 // Process messages received from the PGW
178
184
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201
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211
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221
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231
236
241
246
248 struct EnbInfo
249 {
252 };
253
257 std::map<uint16_t, EnbInfo> m_enbInfoByCellId;
258
262 std::map<uint32_t, Ipv4Address> m_enbByTeidMap;
263
267 std::map<uint32_t, GtpcHeader::Fteid_t> m_mmeS11FteidBySgwS5cTeid;
268};
269
270} // namespace ns3
271
272#endif // EPC_SGW_APPLICATION_H
The base class for all ns3 applications.
Definition: application.h:61
This application implements the Serving Gateway Entity (SGW) according to the 3GPP TS 23....
Ptr< Socket > m_s5cSocket
UDP socket to send/receive GTP-C packets to/from the S5 interface.
void SendToS1uSocket(Ptr< Packet > packet, Ipv4Address enbS1uAddress, uint32_t teid)
Send a data packet to an eNB via the S1-U interface.
uint16_t m_gtpuUdpPort
UDP port to be used for GTP-U.
std::map< uint32_t, GtpcHeader::Fteid_t > m_mmeS11FteidBySgwS5cTeid
MME S11 FTEID by SGW S5C TEID.
void DoRecvModifyBearerRequest(Ptr< Packet > packet)
Process GTP-C Modify Bearer Request message.
void DoRecvCreateSessionResponse(Ptr< Packet > packet)
Process GTP-C Create Session Response message.
Ipv4Address m_mmeS11Addr
MME address in the S11 interface.
void DoRecvDeleteBearerRequest(Ptr< Packet > packet)
Process GTP-C Delete Bearer Request message.
void AddMme(Ipv4Address mmeS11Addr, Ptr< Socket > s11Socket)
Let the SGW be aware of an MME.
void DoRecvDeleteBearerCommand(Ptr< Packet > packet)
Process GTP-C Delete Bearer Command message.
void RecvFromS5cSocket(Ptr< Socket > socket)
Method to be assigned to the recv callback of the S5-C socket.
~EpcSgwApplication() override
Destructor.
void SendToS5uSocket(Ptr< Packet > packet, Ipv4Address pgwAddr, uint32_t teid)
Send a data packet to the PGW via the S5 interface.
void DoRecvCreateSessionRequest(Ptr< Packet > packet)
Process GTP-C Create Session Request message.
EpcSgwApplication(const Ptr< Socket > s1uSocket, Ipv4Address s5Addr, const Ptr< Socket > s5uSocket, const Ptr< Socket > s5cSocket)
Constructor that binds callback methods of sockets.
void AddPgw(Ipv4Address pgwAddr)
Let the SGW be aware of a PGW.
void RecvFromS5uSocket(Ptr< Socket > socket)
Method to be assigned to the recv callback of the S5-U socket.
std::map< uint32_t, Ipv4Address > m_enbByTeidMap
Map for eNB address by TEID.
Ptr< Socket > m_s1uSocket
UDP socket to send/receive GTP-U packets to/from the S1-U interface.
Ptr< Socket > m_s11Socket
UDP socket to send/receive control messages to/from the S11 interface.
std::map< uint16_t, EnbInfo > m_enbInfoByCellId
Map for eNB info by cell ID.
uint32_t m_teidCount
TEID count.
void RecvFromS11Socket(Ptr< Socket > socket)
Method to be assigned to the recv callback of the S11 socket.
Ipv4Address m_s5Addr
SGW address in the S5 interface.
uint16_t m_gtpcUdpPort
UDP port to be used for GTP-C.
void RecvFromS1uSocket(Ptr< Socket > socket)
Method to be assigned to the recv callback of the S1-U socket.
void DoDispose() override
Destructor implementation.
void DoRecvDeleteBearerResponse(Ptr< Packet > packet)
Process GTP-C Delete Bearer Response message.
Ptr< Socket > m_s5uSocket
UDP socket to send/receive GTP-U packets to/from the S5 interface.
Ipv4Address m_pgwAddr
PGW address in the S5 interface.
void DoRecvModifyBearerResponse(Ptr< Packet > packet)
Process GTP-C Modify Bearer Response message.
void AddEnb(uint16_t cellId, Ipv4Address enbAddr, Ipv4Address sgwAddr)
Let the SGW be aware of a new eNB.
static TypeId GetTypeId()
Get the type ID.
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:42
a unique identifier for an interface.
Definition: type-id.h:59
Every class exported by the ns3 library is enclosed in the ns3 namespace.