A Discrete-Event Network Simulator
API
lena-simple-epc-backhaul.cc
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1/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2019 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 * Authors: Manuel Requena <manuel.requena@cttc.es>
19 */
20
21#include "ns3/core-module.h"
22#include "ns3/network-module.h"
23#include "ns3/point-to-point-module.h"
24#include "ns3/internet-module.h"
25#include "ns3/applications-module.h"
26#include "ns3/mobility-module.h"
27#include "ns3/config-store-module.h"
28#include "ns3/lte-module.h"
29// #include "ns3/gtk-config-store.h"
30
31using namespace ns3;
32
49NS_LOG_COMPONENT_DEFINE ("LenaSimpleEpcBackhaul");
50
51int
52main (int argc, char *argv[])
53{
54 uint16_t numNodePairs = 2;
55 Time simTime = MilliSeconds (1900);
56 double distance = 60.0;
57 Time interPacketInterval = MilliSeconds (100);
58 bool disableDl = false;
59 bool disableUl = false;
60 bool useHelper = false;
61
62 // Command line arguments
63 CommandLine cmd (__FILE__);
64 cmd.AddValue ("numNodePairs", "Number of eNodeBs + UE pairs", numNodePairs);
65 cmd.AddValue ("simTime", "Total duration of the simulation", simTime);
66 cmd.AddValue ("distance", "Distance between eNBs [m]", distance);
67 cmd.AddValue ("interPacketInterval", "Inter packet interval", interPacketInterval);
68 cmd.AddValue ("disableDl", "Disable downlink data flows", disableDl);
69 cmd.AddValue ("disableUl", "Disable uplink data flows", disableUl);
70 cmd.AddValue ("useHelper", "Build the backhaul network using the helper or "
71 "it is built in the example", useHelper);
72 cmd.Parse (argc, argv);
73
74 ConfigStore inputConfig;
75 inputConfig.ConfigureDefaults ();
76
77 // parse again so you can override default values from the command line
78 cmd.Parse(argc, argv);
79
80 Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
81 Ptr<EpcHelper> epcHelper;
82 if (!useHelper)
83 {
84 epcHelper = CreateObject<NoBackhaulEpcHelper> ();
85 }
86 else
87 {
88 epcHelper = CreateObject<PointToPointEpcHelper> ();
89 }
90 lteHelper->SetEpcHelper (epcHelper);
91
92 Ptr<Node> pgw = epcHelper->GetPgwNode ();
93
94 // Create a single RemoteHost
95 NodeContainer remoteHostContainer;
96 remoteHostContainer.Create (1);
97 Ptr<Node> remoteHost = remoteHostContainer.Get (0);
98 InternetStackHelper internet;
99 internet.Install (remoteHostContainer);
100
101 // Create the Internet
103 p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
104 p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
105 p2ph.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (10)));
106 NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
107 Ipv4AddressHelper ipv4h;
108 ipv4h.SetBase ("1.0.0.0", "255.0.0.0");
109 Ipv4InterfaceContainer internetIpIfaces = ipv4h.Assign (internetDevices);
110 // interface 0 is localhost, 1 is the p2p device
111 Ipv4Address remoteHostAddr = internetIpIfaces.GetAddress (1);
112
113 Ipv4StaticRoutingHelper ipv4RoutingHelper;
114 Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ());
115 remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.0.0.0"), 1);
116
117 NodeContainer ueNodes;
118 NodeContainer enbNodes;
119 enbNodes.Create (numNodePairs);
120 ueNodes.Create (numNodePairs);
121
122 // Install Mobility Model for eNBs and UEs
123 Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
124 for (uint16_t i = 0; i < numNodePairs; i++)
125 {
126 positionAlloc->Add (Vector (distance * i, 0, 0));
127 }
129 mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
130 mobility.SetPositionAllocator (positionAlloc);
131 mobility.Install (enbNodes);
132 mobility.Install (ueNodes);
133
134 // SGW node
135 Ptr<Node> sgw = epcHelper->GetSgwNode ();
136
137 // Install Mobility Model for SGW
138 Ptr<ListPositionAllocator> positionAlloc2 = CreateObject<ListPositionAllocator> ();
139 positionAlloc2->Add (Vector (0.0, 50.0, 0.0));
140 MobilityHelper mobility2;
141 mobility2.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
142 mobility2.SetPositionAllocator (positionAlloc2);
143 mobility2.Install (sgw);
144
145 // Install LTE Devices to the nodes
146 NetDeviceContainer enbLteDevs = lteHelper->InstallEnbDevice (enbNodes);
147 NetDeviceContainer ueLteDevs = lteHelper->InstallUeDevice (ueNodes);
148
149 if (!useHelper)
150 {
151 Ipv4AddressHelper s1uIpv4AddressHelper;
152
153 // Create networks of the S1 interfaces
154 s1uIpv4AddressHelper.SetBase ("10.0.0.0", "255.255.255.252");
155
156 for (uint16_t i = 0; i < numNodePairs; ++i)
157 {
158 Ptr<Node> enb = enbNodes.Get (i);
159 std::vector<uint16_t> cellIds (1, i);
160
161 // Create a point to point link between the eNB and the SGW with
162 // the corresponding new NetDevices on each side
164 DataRate s1uLinkDataRate = DataRate ("10Gb/s");
165 uint16_t s1uLinkMtu = 2000;
166 Time s1uLinkDelay = Time (0);
167 p2ph.SetDeviceAttribute ("DataRate", DataRateValue (s1uLinkDataRate));
168 p2ph.SetDeviceAttribute ("Mtu", UintegerValue (s1uLinkMtu));
169 p2ph.SetChannelAttribute ("Delay", TimeValue (s1uLinkDelay));
170 NetDeviceContainer sgwEnbDevices = p2ph.Install (sgw, enb);
171
172 Ipv4InterfaceContainer sgwEnbIpIfaces = s1uIpv4AddressHelper.Assign (sgwEnbDevices);
173 s1uIpv4AddressHelper.NewNetwork ();
174
175 Ipv4Address sgwS1uAddress = sgwEnbIpIfaces.GetAddress (0);
176 Ipv4Address enbS1uAddress = sgwEnbIpIfaces.GetAddress (1);
177
178 // Create S1 interface between the SGW and the eNB
179 epcHelper->AddS1Interface (enb, enbS1uAddress, sgwS1uAddress, cellIds);
180 }
181 }
182
183 // Install the IP stack on the UEs
184 internet.Install (ueNodes);
185 Ipv4InterfaceContainer ueIpIface;
186 ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueLteDevs));
187 // Assign IP address to UEs, and install applications
188 for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
189 {
190 Ptr<Node> ueNode = ueNodes.Get (u);
191 // Set the default gateway for the UE
192 Ptr<Ipv4StaticRouting> ueStaticRouting = ipv4RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv4> ());
193 ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress (), 1);
194 }
195
196 // Attach one UE per eNodeB
197 for (uint16_t i = 0; i < numNodePairs; i++)
198 {
199 lteHelper->Attach (ueLteDevs.Get(i), enbLteDevs.Get(i));
200 // side effect: the default EPS bearer will be activated
201 }
202
203
204 // Install and start applications on UEs and remote host
205 uint16_t dlPort = 1100;
206 uint16_t ulPort = 2000;
209 for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
210 {
211 if (!disableDl)
212 {
213 PacketSinkHelper dlPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), dlPort));
214 serverApps.Add (dlPacketSinkHelper.Install (ueNodes.Get (u)));
215
216 UdpClientHelper dlClient (ueIpIface.GetAddress (u), dlPort);
217 dlClient.SetAttribute ("Interval", TimeValue (interPacketInterval));
218 dlClient.SetAttribute ("MaxPackets", UintegerValue (1000000));
219 clientApps.Add (dlClient.Install (remoteHost));
220 }
221
222 if (!disableUl)
223 {
224 ++ulPort;
225 PacketSinkHelper ulPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), ulPort));
226 serverApps.Add (ulPacketSinkHelper.Install (remoteHost));
227
228 UdpClientHelper ulClient (remoteHostAddr, ulPort);
229 ulClient.SetAttribute ("Interval", TimeValue (interPacketInterval));
230 ulClient.SetAttribute ("MaxPackets", UintegerValue (1000000));
231 clientApps.Add (ulClient.Install (ueNodes.Get(u)));
232 }
233 }
234
235 serverApps.Start (MilliSeconds (500));
236 clientApps.Start (MilliSeconds (500));
237 lteHelper->EnableTraces ();
238 // Uncomment to enable PCAP tracing
239 //p2ph.EnablePcapAll("lena-simple-epc-backhaul");
240
241 Simulator::Stop (simTime);
242 Simulator::Run ();
243
244 /*GtkConfigStore config;
245 config.ConfigureAttributes();*/
246
247 Simulator::Destroy ();
248 return 0;
249}
holds a vector of ns3::Application pointers.
Parse command-line arguments.
Definition: command-line.h:229
Introspection did not find any typical Config paths.
Definition: config-store.h:60
void ConfigureDefaults(void)
Configure the default values.
Class for representing data rates.
Definition: data-rate.h:89
AttributeValue implementation for DataRate.
an Inet address class
aggregate IP/TCP/UDP functionality to existing Nodes.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Ipv4Address NewNetwork(void)
Increment the network number and reset the IP address counter to the base value provided in the SetBa...
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:41
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition: ipv4.h:77
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:256
Helper class that adds ns3::Ipv4StaticRouting objects.
Ptr< Ipv4StaticRouting > GetStaticRouting(Ptr< Ipv4 > ipv4) const
Try and find the static routing protocol as either the main routing protocol or in the list of routin...
void SetEpcHelper(Ptr< EpcHelper > h)
Set the EpcHelper to be used to setup the EPC network in conjunction with the setup of the LTE radio ...
Definition: lte-helper.cc:272
NetDeviceContainer InstallEnbDevice(NodeContainer c)
Create a set of eNodeB devices.
Definition: lte-helper.cc:474
void Attach(NetDeviceContainer ueDevices)
Enables automatic attachment of a set of UE devices to a suitable cell using Idle mode initial cell s...
Definition: lte-helper.cc:959
NetDeviceContainer InstallUeDevice(NodeContainer c)
Create a set of UE devices.
Definition: lte-helper.cc:489
void EnableTraces(void)
Enables trace sinks for PHY, MAC, RLC and PDCP.
Definition: lte-helper.cc:1426
Helper class used to assign positions and mobility models to nodes.
void SetMobilityModel(std::string type, std::string n1="", const AttributeValue &v1=EmptyAttributeValue(), std::string n2="", const AttributeValue &v2=EmptyAttributeValue(), std::string n3="", const AttributeValue &v3=EmptyAttributeValue(), std::string n4="", const AttributeValue &v4=EmptyAttributeValue(), std::string n5="", const AttributeValue &v5=EmptyAttributeValue(), std::string n6="", const AttributeValue &v6=EmptyAttributeValue(), std::string n7="", const AttributeValue &v7=EmptyAttributeValue(), std::string n8="", const AttributeValue &v8=EmptyAttributeValue(), std::string n9="", const AttributeValue &v9=EmptyAttributeValue())
void Install(Ptr< Node > node) const
"Layout" a single node according to the current position allocator type.
void SetPositionAllocator(Ptr< PositionAllocator > allocator)
Set the position allocator which will be used to allocate the initial position of every node initiali...
holds a vector of ns3::NetDevice pointers
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
keep track of a set of node pointers.
uint32_t GetN(void) const
Get the number of Ptr<Node> stored in this container.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
Build a set of PointToPointNetDevice objects.
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
NetDeviceContainer Install(NodeContainer c)
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:103
AttributeValue implementation for Time.
Definition: nstime.h:1308
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
Hold an unsigned integer type.
Definition: uinteger.h:44
Vector3D Vector
Vector alias typedef for compatibility with mobility models.
Definition: vector.h:324
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
void(* DataRate)(DataRate oldValue, DataRate newValue)
TracedValue callback signature for DataRate.
Definition: data-rate.h:329
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1252
serverApps
Definition: first.py:52
clientApps
Definition: first.py:61
void(* Time)(Time oldValue, Time newValue)
TracedValue callback signature for Time.
Definition: nstime.h:793
Every class exported by the ns3 library is enclosed in the ns3 namespace.
cmd
Definition: second.py:35
mobility
Definition: third.py:107