A Discrete-Event Network Simulator
API
brite-generic-example.cc
Go to the documentation of this file.
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License version 2 as
4 * published by the Free Software Foundation;
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
14 *
15 */
16
17#include "Brite.h"
18
19#include "ns3/applications-module.h"
20#include "ns3/brite-module.h"
21#include "ns3/core-module.h"
22#include "ns3/internet-module.h"
23#include "ns3/mobility-module.h"
24#include "ns3/network-module.h"
25#include "ns3/nix-vector-helper.h"
26#include "ns3/point-to-point-module.h"
27
28#include <fstream>
29#include <iostream>
30#include <string>
31
32using namespace ns3;
33
34NS_LOG_COMPONENT_DEFINE("BriteExample");
35
36int
37main(int argc, char* argv[])
38{
39 LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_ALL);
40 LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_ALL);
41
42 LogComponentEnable("BriteExample", LOG_LEVEL_ALL);
43
44 // BRITE needs a configuration file to build its graph. By default, this
45 // example will use the TD_ASBarabasi_RTWaxman.conf file. There are many others
46 // which can be found in the BRITE/conf_files directory
47 std::string confFile = "src/brite/examples/conf_files/TD_ASBarabasi_RTWaxman.conf";
48 bool tracing = false;
49 bool nix = false;
50
51 CommandLine cmd(__FILE__);
52 cmd.AddValue("confFile", "BRITE conf file", confFile);
53 cmd.AddValue("tracing", "Enable or disable ascii tracing", tracing);
54 cmd.AddValue("nix", "Enable or disable nix-vector routing", nix);
55
56 cmd.Parse(argc, argv);
57
58 nix = false;
59
60 // Invoke the BriteTopologyHelper and pass in a BRITE
61 // configuration file and a seed file. This will use
62 // BRITE to build a graph from which we can build the ns-3 topology
63 BriteTopologyHelper bth(confFile);
64 bth.AssignStreams(3);
65
67
69
70 if (nix)
71 {
72 Ipv4NixVectorHelper nixRouting;
73 stack.SetRoutingHelper(nixRouting);
74 }
75
77 address.SetBase("10.0.0.0", "255.255.255.252");
78
79 bth.BuildBriteTopology(stack);
80 bth.AssignIpv4Addresses(address);
81
82 NS_LOG_INFO("Number of AS created " << bth.GetNAs());
83
84 // The BRITE topology generator generates a topology of routers. Here we create
85 // two subnetworks which we attach to router leaf nodes generated by BRITE
86 // Any NS3 topology may be used to attach to the BRITE leaf nodes but here we
87 // use just one node
88
89 NodeContainer client;
90 NodeContainer server;
91
92 client.Create(1);
93 stack.Install(client);
94
95 // install client node on last leaf node of AS 0
96 int numLeafNodesInAsZero = bth.GetNLeafNodesForAs(0);
97 client.Add(bth.GetLeafNodeForAs(0, numLeafNodesInAsZero - 1));
98
99 server.Create(1);
100 stack.Install(server);
101
102 // install server node on last leaf node on AS 1
103 int numLeafNodesInAsOne = bth.GetNLeafNodesForAs(1);
104 server.Add(bth.GetLeafNodeForAs(1, numLeafNodesInAsOne - 1));
105
106 p2p.SetDeviceAttribute("DataRate", StringValue("5Mbps"));
107 p2p.SetChannelAttribute("Delay", StringValue("2ms"));
108
109 NetDeviceContainer p2pClientDevices;
110 NetDeviceContainer p2pServerDevices;
111
112 p2pClientDevices = p2p.Install(client);
113 p2pServerDevices = p2p.Install(server);
114
115 address.SetBase("10.1.0.0", "255.255.0.0");
116 Ipv4InterfaceContainer clientInterfaces;
117 clientInterfaces = address.Assign(p2pClientDevices);
118
119 address.SetBase("10.2.0.0", "255.255.0.0");
120 Ipv4InterfaceContainer serverInterfaces;
121 serverInterfaces = address.Assign(p2pServerDevices);
122
124 ApplicationContainer serverApps = echoServer.Install(server.Get(0));
125 serverApps.Start(Seconds(1.0));
126 serverApps.Stop(Seconds(5.0));
127
128 UdpEchoClientHelper echoClient(serverInterfaces.GetAddress(0), 9);
129 echoClient.SetAttribute("MaxPackets", UintegerValue(1));
130 echoClient.SetAttribute("Interval", TimeValue(Seconds(1.)));
131 echoClient.SetAttribute("PacketSize", UintegerValue(1024));
132
133 ApplicationContainer clientApps = echoClient.Install(client.Get(0));
134 clientApps.Start(Seconds(2.0));
135 clientApps.Stop(Seconds(5.0));
136
137 if (!nix)
138 {
139 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
140 }
141
142 if (tracing)
143 {
144 AsciiTraceHelper ascii;
145 p2p.EnableAsciiAll(ascii.CreateFileStream("briteLeaves.tr"));
146 }
147 // Run the simulator
148 Simulator::Stop(Seconds(6.0));
149 Simulator::Run();
150 Simulator::Destroy();
151
152 return 0;
153}
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:173
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:232
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
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(const NodeContainer &nc)
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)
Hold variables of type string.
Definition: string.h:56
AttributeValue implementation for Time.
Definition: nstime.h:1423
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:45
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:275
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1336
echoClient
Definition: first.py:53
address
Definition: first.py:40
serverApps
Definition: first.py:48
echoServer
Definition: first.py:46
clientApps
Definition: first.py:58
stack
Definition: first.py:37
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void LogComponentEnable(const std::string &name, LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:305
@ LOG_LEVEL_ALL
Print everything.
Definition: log.h:116
cmd
Definition: second.py:33
bool tracing
Flag to enable/disable generation of tracing files.