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 */
40
41 NS_LOG_COMPONENT_DEFINE ("EpcFirstExampleForIpv6");
42
43 int
main(int argc,char * argv[])44 main (int argc, char *argv[])
45 {
46 CommandLine cmd (__FILE__);
47 cmd.Parse (argc, argv);
48
49 Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
50 Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> ();
51 lteHelper->SetEpcHelper (epcHelper);
52
53 Ptr<Node> pgw = epcHelper->GetPgwNode ();
54
55 // Create a single RemoteHost
56 NodeContainer remoteHostContainer;
57 remoteHostContainer.Create (1);
58 Ptr<Node> remoteHost = remoteHostContainer.Get (0);
59 InternetStackHelper internet;
60 internet.Install (remoteHostContainer);
61
62 // Create the Internet
63 PointToPointHelper p2ph;
64 p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
65 p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
66 p2ph.SetChannelAttribute ("Delay", TimeValue (Seconds (0.010)));
67 NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
68
69 NodeContainer ueNodes;
70 NodeContainer enbNodes;
71 enbNodes.Create (2);
72 ueNodes.Create (2);
73
74 // Install Mobility Model
75 Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
76 for (uint16_t i = 0; i < 2; i++)
77 {
78 positionAlloc->Add (Vector (60.0 * i, 0, 0));
79 }
80 MobilityHelper mobility;
81 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
82 mobility.SetPositionAllocator (positionAlloc);
83 mobility.Install (enbNodes);
84 mobility.Install (ueNodes);
85
86 // Install the IP stack on the UEs
87 internet.Install (ueNodes);
88
89 // Install LTE Devices to the nodes
90 NetDeviceContainer enbLteDevs = lteHelper->InstallEnbDevice (enbNodes);
91 NetDeviceContainer ueLteDevs = lteHelper->InstallUeDevice (ueNodes);
92
93 Ipv6InterfaceContainer ueIpIface;
94
95 // Assign IP address to UEs
96 ueIpIface = epcHelper->AssignUeIpv6Address (NetDeviceContainer (ueLteDevs));
97
98
99 Ipv6StaticRoutingHelper ipv6RoutingHelper;
100
101 for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
102 {
103 Ptr<Node> ueNode = ueNodes.Get (u);
104 // Set the default gateway for the UEs
105 Ptr<Ipv6StaticRouting> ueStaticRouting = ipv6RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv6> ());
106 ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress6 (), 1);
107 }
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 // interface 0 is localhost, 1 is the p2p device
129 Ipv6Address remoteHostAddr = internetIpIfaces.GetAddress (1, 1);
130
131
132 // Start applications on UEs and remote host
133 UdpEchoServerHelper echoServer (9);
134
135 ApplicationContainer serverApps = echoServer.Install (remoteHost);
136
137 serverApps.Start (Seconds (1.0));
138 serverApps.Stop (Seconds (20.0));
139
140
141 UdpEchoClientHelper echoClient1 (remoteHostAddr, 9);
142 UdpEchoClientHelper echoClient2 (remoteHostAddr, 9);
143
144 echoClient1.SetAttribute ("MaxPackets", UintegerValue (1000));
145 echoClient1.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
146 echoClient1.SetAttribute ("PacketSize", UintegerValue (1024));
147
148 echoClient2.SetAttribute ("MaxPackets", UintegerValue (1000));
149 echoClient2.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
150 echoClient2.SetAttribute ("PacketSize", UintegerValue (1024));
151
152 ApplicationContainer clientApps1 = echoClient1.Install (ueNodes.Get (0));
153 ApplicationContainer clientApps2 = echoClient2.Install (ueNodes.Get (1));
154
155
156 clientApps1.Start (Seconds (1.0));
157 clientApps1.Stop (Seconds (14.0));
158
159 clientApps2.Start (Seconds (1.5));
160 clientApps2.Stop (Seconds (14.5));
161
162 LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_ALL);
163 LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_ALL);
164
165 // PcapHelperForIpv6::EnablePcapIpv6 (std::string prefix, uint32_t nodeid, uint32_t interface, bool explicitFilename)
166
167 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Rh-Ue0.pcap", ueNodes.Get (0)->GetId (), 1, true);
168 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Rh-Ue1.pcap", ueNodes.Get (1)->GetId (), 1, true);
169 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Rh-RH.pcap", remoteHostContainer.Get (0)->GetId (), 1, true);
170 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Rh-Pgw-Iface1.pcap", pgw->GetId (), 1, true);
171 internet.EnablePcapIpv6 ("LenaIpv6-Ue-Rh-Pgw-Iface2.pcap", pgw->GetId (), 2, true);
172
173 Simulator::Stop (Seconds (20));
174 Simulator::Run ();
175
176 Simulator::Destroy ();
177 return 0;
178
179 }
180
181