A Discrete-Event Network Simulator
API
brite-generic-example.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License version 2 as
5  * published by the Free Software Foundation;
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15  *
16  */
17 
18 #include <string>
19 #include "ns3/core-module.h"
20 #include "ns3/network-module.h"
21 #include "ns3/internet-module.h"
22 #include "ns3/point-to-point-module.h"
23 #include "ns3/mobility-module.h"
24 #include "ns3/applications-module.h"
25 #include "ns3/brite-module.h"
26 #include "ns3/nix-vector-helper.h"
27 #include <iostream>
28 #include <fstream>
29 
30 using namespace ns3;
31 
32 NS_LOG_COMPONENT_DEFINE ("BriteExample");
33 
34 int
35 main (int argc, char *argv[])
36 {
37  LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_ALL);
38  LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_ALL);
39 
40  LogComponentEnable ("BriteExample", LOG_LEVEL_ALL);
41 
42  // BRITE needs a configuration file to build its graph. By default, this
43  // example will use the TD_ASBarabasi_RTWaxman.conf file. There are many others
44  // which can be found in the BRITE/conf_files directory
45  std::string confFile = "src/brite/examples/conf_files/TD_ASBarabasi_RTWaxman.conf";
46  bool tracing = false;
47  bool nix = false;
48 
49  CommandLine cmd (__FILE__);
50  cmd.AddValue ("confFile", "BRITE conf file", confFile);
51  cmd.AddValue ("tracing", "Enable or disable ascii tracing", tracing);
52  cmd.AddValue ("nix", "Enable or disable nix-vector routing", nix);
53 
54  cmd.Parse (argc,argv);
55 
56  nix = false;
57 
58  // Invoke the BriteTopologyHelper and pass in a BRITE
59  // configuration file and a seed file. This will use
60  // BRITE to build a graph from which we can build the ns-3 topology
61  BriteTopologyHelper bth (confFile);
62  bth.AssignStreams (3);
63 
65 
66 
68 
69  if (nix)
70  {
71  Ipv4NixVectorHelper nixRouting;
72  stack.SetRoutingHelper (nixRouting);
73  }
74 
76  address.SetBase ("10.0.0.0", "255.255.255.252");
77 
78  bth.BuildBriteTopology (stack);
79  bth.AssignIpv4Addresses (address);
80 
81  NS_LOG_INFO ("Number of AS created " << bth.GetNAs ());
82 
83  //The BRITE topology generator generates a topology of routers. Here we create
84  //two subnetworks which we attach to router leaf nodes generated by BRITE
85  //Any NS3 topology may be used to attach to the BRITE leaf nodes but here we
86  //use just one node
87 
88  NodeContainer client;
89  NodeContainer server;
90 
91  client.Create (1);
92  stack.Install (client);
93 
94  //install client node on last leaf node of AS 0
95  int numLeafNodesInAsZero = bth.GetNLeafNodesForAs (0);
96  client.Add (bth.GetLeafNodeForAs (0, numLeafNodesInAsZero - 1));
97 
98  server.Create (1);
99  stack.Install (server);
100 
101  //install server node on last leaf node on AS 1
102  int numLeafNodesInAsOne = bth.GetNLeafNodesForAs (1);
103  server.Add (bth.GetLeafNodeForAs (1, numLeafNodesInAsOne - 1));
104 
105  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
106  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
107 
108  NetDeviceContainer p2pClientDevices;
109  NetDeviceContainer p2pServerDevices;
110 
111  p2pClientDevices = p2p.Install (client);
112  p2pServerDevices = p2p.Install (server);
113 
114  address.SetBase ("10.1.0.0", "255.255.0.0");
115  Ipv4InterfaceContainer clientInterfaces;
116  clientInterfaces = address.Assign (p2pClientDevices);
117 
118  address.SetBase ("10.2.0.0", "255.255.0.0");
119  Ipv4InterfaceContainer serverInterfaces;
120  serverInterfaces = address.Assign (p2pServerDevices);
121 
123  ApplicationContainer serverApps = echoServer.Install (server.Get (0));
124  serverApps.Start (Seconds (1.0));
125  serverApps.Stop (Seconds (5.0));
126 
127  UdpEchoClientHelper echoClient (serverInterfaces.GetAddress (0), 9);
128  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
129  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.)));
130  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
131 
132  ApplicationContainer clientApps = echoClient.Install (client.Get (0));
133  clientApps.Start (Seconds (2.0));
134  clientApps.Stop (Seconds (5.0));
135 
136  if (!nix)
137  {
139  }
140 
141  if (tracing)
142  {
143  AsciiTraceHelper ascii;
144  p2p.EnableAsciiAll (ascii.CreateFileStream ("briteLeaves.tr"));
145  }
146  // Run the simulator
147  Simulator::Stop (Seconds (6.0));
148  Simulator::Run ();
150 
151  return 0;
152 }
holds a vector of ns3::Application pointers.
void EnableAsciiAll(std::string prefix)
Enable ascii trace output on each device (which is of the appropriate type) in the set of all nodes c...
Manage ASCII trace files for device models.
Definition: trace-helper.h:163
Ptr< OutputStreamWrapper > CreateFileStream(std::string filename, std::ios::openmode filemode=std::ios::out)
Create and initialize an output stream object we'll use to write the traced bits.
Interface with BRITE, the Boston university Representative Internet Topology gEnerator.
Parse command-line arguments.
Definition: command-line.h:229
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
holds a vector of ns3::NetDevice pointers
Helper class that adds Nix-vector routing to nodes.
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
void Add(NodeContainer other)
Append the contents of another NodeContainer to the end of this container.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
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)
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:180
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:136
static void Run(void)
Run the simulation.
Definition: simulator.cc:172
Hold variables of type string.
Definition: string.h:41
AttributeValue implementation for Time.
Definition: nstime.h:1308
Create an application which sends a UDP packet and waits for an echo of this packet.
Create a server application which waits for input UDP packets and sends them back to the original sen...
Hold an unsigned integer type.
Definition: uinteger.h:44
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:281
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
echoClient
Definition: first.py:56
address
Definition: first.py:44
serverApps
Definition: first.py:52
echoServer
Definition: first.py:50
clientApps
Definition: first.py:61
stack
Definition: first.py:41
Every class exported by the ns3 library is enclosed in the ns3 namespace.
@ LOG_LEVEL_ALL
Print everything.
Definition: log.h:116
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:361
cmd
Definition: second.py:35
bool tracing
Flag to enable/disable generation of tracing files.
Definition: wifi-bianchi.cc:88