A Discrete-Event Network Simulator
API
brite-generic-example.cc
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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
30using namespace ns3;
31
32NS_LOG_COMPONENT_DEFINE ("BriteExample");
33
34int
35main (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 {
138 Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
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 ();
149 Simulator::Destroy ();
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.
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)
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