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 remote host to and from the first UE.
39 * It also starts yet another flow between other UE pair.
40 */
41
42 NS_LOG_COMPONENT_DEFINE ("EpcSecondExampleForIpv6");
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 ueLteDevs = lteHelper->InstallUeDevice (ueNodes);
93
94 Ipv6InterfaceContainer ueIpIface;
95
96 // Assign IP address to UEs
97 ueIpIface = epcHelper->AssignUeIpv6Address (NetDeviceContainer (ueLteDevs));
98
99
100 Ipv6StaticRoutingHelper ipv6RoutingHelper;
101
102 for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
103 {
104 Ptr<Node> ueNode = ueNodes.Get (u);
105 // Set the default gateway for the UE
106 Ptr<Ipv6StaticRouting> ueStaticRouting = ipv6RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv6> ());
107 ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress6 (), 1);
108 }
109
110 // Attach one UE per eNodeB
111 for (uint16_t i = 0; i < 2; i++)
112 {
113 lteHelper->Attach (ueLteDevs.Get (i), enbLteDevs.Get (i));
114 // side effect: the default EPS bearer will be activated
115 }
116
117 Ipv6AddressHelper ipv6h;
118 ipv6h.SetBase (Ipv6Address ("6001:db80::"), Ipv6Prefix (64));
119 Ipv6InterfaceContainer internetIpIfaces = ipv6h.Assign (internetDevices);
120
121 internetIpIfaces.SetForwarding (0, true);
122 internetIpIfaces.SetDefaultRouteInAllNodes (0);
123
124 Ptr<Ipv6StaticRouting> remoteHostStaticRouting = ipv6RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv6> ());
125 remoteHostStaticRouting->AddNetworkRouteTo ("7777:f00d::", Ipv6Prefix (64), internetIpIfaces.GetAddress (0, 1), 1, 0);
126
127
128 // Start applications on UEs and remote host
129
130 UdpEchoServerHelper echoServer (9);
131
132 ApplicationContainer serverApps = echoServer.Install (ueNodes.Get (0));
133
134
135 serverApps.Start (Seconds (1.0));
136 serverApps.Stop (Seconds (20.0));
137
138
139 UdpEchoClientHelper echoClient1 (ueIpIface.GetAddress (0,1), 9);
140 UdpEchoClientHelper echoClient2 (ueIpIface.GetAddress (0,1), 9);
141
142 echoClient1.SetAttribute ("MaxPackets", UintegerValue (1000));
143 echoClient1.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
144 echoClient1.SetAttribute ("PacketSize", UintegerValue (1024));
145
146 echoClient2.SetAttribute ("MaxPackets", UintegerValue (1000));
147 echoClient2.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
148 echoClient2.SetAttribute ("PacketSize", UintegerValue (1024));
149
150 ApplicationContainer clientApps1 = echoClient1.Install (remoteHost);
151 ApplicationContainer clientApps2 = echoClient2.Install (ueNodes.Get (1));
152
153
154 clientApps1.Start (Seconds (1.0));
155 clientApps1.Stop (Seconds (14.0));
156
157 clientApps2.Start (Seconds (1.5));
158 clientApps2.Stop (Seconds (14.5));
159
160 LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_ALL);
161 LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_ALL);
162
163 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Ue-Ue0.pcap", ueNodes.Get (0)->GetId (), 1, true);
164 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Ue-Ue1.pcap", ueNodes.Get (1)->GetId (), 1, true);
165 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Ue-RH.pcap", remoteHostContainer.Get (0)->GetId (), 1, true);
166 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Ue-Pgw-Iface1.pcap", pgw->GetId (), 1, true);
167 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Ue-Pgw-Iface2.pcap", pgw->GetId (), 2, true);
168
169 Simulator::Stop (Seconds (20));
170 Simulator::Run ();
171
172 Simulator::Destroy ();
173 return 0;
174
175 }
176
177