1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3 * Copyright (c) 2017 Jadavpur University, India
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: Manoj Kumar Rana <manoj24.rana@gmail.com>
19 */
20
21 #include "ns3/lte-helper.h"
22 #include "ns3/epc-helper.h"
23 #include "ns3/core-module.h"
24 #include "ns3/network-module.h"
25 #include "ns3/ipv4-global-routing-helper.h"
26 #include "ns3/ipv6-static-routing.h"
27 #include "ns3/internet-module.h"
28 #include "ns3/mobility-module.h"
29 #include "ns3/lte-module.h"
30 #include "ns3/applications-module.h"
31 #include "ns3/point-to-point-helper.h"
32 #include "ns3/config-store.h"
33
34 using namespace ns3;
35
36 /**
37 * Sample simulation script for LTE+EPC. It instantiates several eNodeB,
38 * attaches one UE per eNodeB starts a flow for each UE to and from a remote host.
39 * It configures IPv6 addresses for UEs by setting the 48 bit prefix attribute in epc helper
40 */
41
42 NS_LOG_COMPONENT_DEFINE ("EpcFirstExampleForIpv6");
43
44 int
main(int argc,char * argv[])45 main (int argc, char *argv[])
46 {
47 CommandLine cmd (__FILE__);
48 cmd.Parse (argc, argv);
49
50 Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
51 Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> ();
52 lteHelper->SetEpcHelper (epcHelper);
53
54 Ptr<Node> pgw = epcHelper->GetPgwNode ();
55
56 // Create a single RemoteHost
57 NodeContainer remoteHostContainer;
58 remoteHostContainer.Create (1);
59 Ptr<Node> remoteHost = remoteHostContainer.Get (0);
60 InternetStackHelper internet;
61 internet.Install (remoteHostContainer);
62
63 // Create the Internet
64 PointToPointHelper p2ph;
65 p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
66 p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
67 p2ph.SetChannelAttribute ("Delay", TimeValue (Seconds (0.010)));
68 NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
69
70 NodeContainer ueNodes;
71 NodeContainer enbNodes;
72 enbNodes.Create (2);
73 ueNodes.Create (2);
74
75 // Install Mobility Model
76 Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
77 for (uint16_t i = 0; i < 2; i++)
78 {
79 positionAlloc->Add (Vector (60.0 * i, 0, 0));
80 }
81 MobilityHelper mobility;
82 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
83 mobility.SetPositionAllocator (positionAlloc);
84 mobility.Install (enbNodes);
85 mobility.Install (ueNodes);
86
87 // Install the IP stack on the UEs
88 internet.Install (ueNodes);
89
90 // Install LTE Devices to the nodes
91 NetDeviceContainer enbLteDevs = lteHelper->InstallEnbDevice (enbNodes);
92 NetDeviceContainer ueLteDevs1 = lteHelper->InstallUeDevice (NodeContainer (ueNodes.Get (0)));
93 NetDeviceContainer ueLteDevs2 = lteHelper->InstallUeDevice (NodeContainer (ueNodes.Get (1)));
94
95 Ipv6AddressHelper ipv6h;
96 ipv6h.SetBase (Ipv6Address ("6001:db80::"), Ipv6Prefix (64));
97 Ipv6InterfaceContainer internetIpIfaces = ipv6h.Assign (internetDevices);
98
99 internetIpIfaces.SetForwarding (0, true);
100 internetIpIfaces.SetDefaultRouteInAllNodes (0);
101
102 Ipv6InterfaceContainer ueIpIface;
103
104 // Assign IP address to the first UE
105 ueIpIface = epcHelper->AssignUeIpv6Address (NetDeviceContainer (ueLteDevs1));
106
107
108 Ipv6StaticRoutingHelper ipv6RoutingHelper;
109 Ptr<Ipv6StaticRouting> remoteHostStaticRouting = ipv6RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv6> ());
110 remoteHostStaticRouting->AddNetworkRouteTo ("7777:f00d::", Ipv6Prefix (64), internetIpIfaces.GetAddress (0, 1), 1, 0);
111
112
113 // Assign IP address to the second UE
114 ueIpIface.Add (epcHelper->AssignUeIpv6Address (NetDeviceContainer (ueLteDevs2)));
115
116 for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
117 {
118 Ptr<Node> ueNode = ueNodes.Get (u);
119 // Set the default gateway for the UEs
120 Ptr<Ipv6StaticRouting> ueStaticRouting = ipv6RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv6> ());
121 ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress6 (), 1);
122 }
123
124 // Attach one UE per eNodeB
125 lteHelper->Attach (ueLteDevs1.Get (0), enbLteDevs.Get (0));
126 lteHelper->Attach (ueLteDevs2.Get (0), enbLteDevs.Get (1));
127
128
129 // interface 0 is localhost, 1 is the p2p device
130 Ipv6Address remoteHostAddr = internetIpIfaces.GetAddress (1, 1);
131
132
133 // Install and start applications on UEs and remote host
134
135 UdpEchoServerHelper echoServer (9);
136
137 ApplicationContainer serverApps = echoServer.Install (remoteHost);
138
139 serverApps.Start (Seconds (4.0));
140 serverApps.Stop (Seconds (20.0));
141
142
143 UdpEchoClientHelper echoClient1 (remoteHostAddr, 9);
144 UdpEchoClientHelper echoClient2 (remoteHostAddr, 9);
145
146 echoClient1.SetAttribute ("MaxPackets", UintegerValue (1000));
147 echoClient1.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
148 echoClient1.SetAttribute ("PacketSize", UintegerValue (1024));
149
150 echoClient2.SetAttribute ("MaxPackets", UintegerValue (1000));
151 echoClient2.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
152 echoClient2.SetAttribute ("PacketSize", UintegerValue (1024));
153
154 ApplicationContainer clientApps1 = echoClient1.Install (ueNodes.Get (0));
155 ApplicationContainer clientApps2 = echoClient2.Install (ueNodes.Get (1));
156
157
158 clientApps1.Start (Seconds (4.0));
159 clientApps1.Stop (Seconds (14.0));
160
161 clientApps2.Start (Seconds (4.5));
162 clientApps2.Stop (Seconds (14.5));
163
164
165 LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_ALL);
166 LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_ALL);
167
168 internet.EnablePcapIpv6 ("LenaIpv6-AddrConf-Ue0.pcap", ueNodes.Get (0)->GetId (), 1, true);
169 internet.EnablePcapIpv6 ("LenaIpv6-AddrConf-Ue1.pcap", ueNodes.Get (1)->GetId (), 1, true);
170 internet.EnablePcapIpv6 ("LenaIpv6-AddrConf-RH.pcap", remoteHostContainer.Get (0)->GetId (), 1, true);
171 internet.EnablePcapIpv6 ("LenaIpv6-AddrConf-Pgw-Iface1.pcap", pgw->GetId (), 1, true);
172 internet.EnablePcapIpv6 ("LenaIpv6-AddrConf-Pgw-Iface2.pcap", pgw->GetId (), 2, true);
173
174
175 Simulator::Stop (Seconds (20));
176 Simulator::Run ();
177
178 Simulator::Destroy ();
179 return 0;
180
181 }
182
183