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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/ipv4-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;
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  Ipv4StaticRoutingHelper staticRouting;
67  Ipv4GlobalRoutingHelper globalRouting;
68  Ipv4ListRoutingHelper listRouting;
69  Ipv4NixVectorHelper nixRouting;
70 
72 
73  if (nix)
74  {
75  listRouting.Add (staticRouting, 0);
76  listRouting.Add (nixRouting, 10);
77  }
78  else
79  {
80  listRouting.Add (staticRouting, 0);
81  listRouting.Add (globalRouting, 10);
82  }
83 
84  stack.SetRoutingHelper (listRouting);
85 
87  address.SetBase ("10.0.0.0", "255.255.255.252");
88 
89  bth.BuildBriteTopology (stack);
90  bth.AssignIpv4Addresses (address);
91 
92  NS_LOG_INFO ("Number of AS created " << bth.GetNAs ());
93 
94  //The BRITE topology generator generates a topology of routers. Here we create
95  //two subnetworks which we attach to router leaf nodes generated by BRITE
96  //Any NS3 topology may be used to attach to the BRITE leaf nodes but here we
97  //use just one node
98 
99  NodeContainer client;
100  NodeContainer server;
101 
102  client.Create (1);
103  stack.Install (client);
104 
105  //install client node on last leaf node of AS 0
106  int numLeafNodesInAsZero = bth.GetNLeafNodesForAs (0);
107  client.Add (bth.GetLeafNodeForAs (0, numLeafNodesInAsZero - 1));
108 
109  server.Create (1);
110  stack.Install (server);
111 
112  //install server node on last leaf node on AS 1
113  int numLeafNodesInAsOne = bth.GetNLeafNodesForAs (1);
114  server.Add (bth.GetLeafNodeForAs (1, numLeafNodesInAsOne - 1));
115 
116  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
117  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
118 
119  NetDeviceContainer p2pClientDevices;
120  NetDeviceContainer p2pServerDevices;
121 
122  p2pClientDevices = p2p.Install (client);
123  p2pServerDevices = p2p.Install (server);
124 
125  address.SetBase ("10.1.0.0", "255.255.0.0");
126  Ipv4InterfaceContainer clientInterfaces;
127  clientInterfaces = address.Assign (p2pClientDevices);
128 
129  address.SetBase ("10.2.0.0", "255.255.0.0");
130  Ipv4InterfaceContainer serverInterfaces;
131  serverInterfaces = address.Assign (p2pServerDevices);
132 
134  ApplicationContainer serverApps = echoServer.Install (server.Get (0));
135  serverApps.Start (Seconds (1.0));
136  serverApps.Stop (Seconds (5.0));
137 
138  UdpEchoClientHelper echoClient (serverInterfaces.GetAddress (0), 9);
139  echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
140  echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.)));
141  echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
142 
143  ApplicationContainer clientApps = echoClient.Install (client.Get (0));
144  clientApps.Start (Seconds (2.0));
145  clientApps.Stop (Seconds (5.0));
146 
147  if (!nix)
148  {
150  }
151 
152  if (tracing)
153  {
154  AsciiTraceHelper ascii;
155  p2p.EnableAsciiAll (ascii.CreateFileStream ("briteLeaves.tr"));
156  }
157  // Run the simulator
158  Simulator::Stop (Seconds (6.0));
159  Simulator::Run ();
161 
162  return 0;
163 }
holds a vector of ns3::Application pointers.
Manage ASCII trace files for device models.
Definition: trace-helper.h:128
uint32_t GetNLeafNodesForAs(uint32_t asNum)
Returns the number of router leaf nodes for a given AS.
NS_LOG_COMPONENT_DEFINE("GrantedTimeWindowMpiInterface")
holds a vector of std::pair of Ptr and interface index.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
hold variables of type string
Definition: string.h:19
NetDeviceContainer Install(NodeContainer c)
tuple echoServer
Definition: first.py:42
Create an application which sends a UDP packet and waits for an echo of this packet.
static void Run(void)
Run the simulation until one of:
Definition: simulator.cc:157
uint32_t GetNAs(void) const
Returns the number of AS created in the topology.
Helper class that adds Nix-vector routing to nodes.
aggregate IP/TCP/UDP functionality to existing Nodes.
Interface with BRITE, the Boston university Representative Internet Topology gEnerator.
#define NS_LOG_INFO(msg)
Definition: log.h:298
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. ...
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 AssignStreams(int64_t streamNumber)
Assigns stream number to UniformRandomVariable used to generate brite seed file.
tuple clientApps
Definition: first.py:53
ApplicationContainer Install(Ptr< Node > node) const
Create a UdpEchoServerApplication on the specified Node.
Create a server application which waits for input UDP packets and sends them back to the original sen...
hold objects of type ns3::Time
Definition: nstime.h:961
void AssignIpv4Addresses(Ipv4AddressHelper &address)
Hold an unsigned integer type.
Definition: uinteger.h:46
holds a vector of ns3::NetDevice pointers
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter...
Parse command-line arguments.
Definition: command-line.h:152
static void Destroy(void)
Every event scheduled by the Simulator::insertAtDestroy method is invoked.
Definition: simulator.cc:121
tuple echoClient
Definition: first.py:48
tuple serverApps
Definition: first.py:44
keep track of a set of node pointers.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
void Add(const Ipv4RoutingHelper &routing, int16_t priority)
tuple stack
Definition: first.py:34
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter...
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
void Add(NodeContainer other)
Append the contents of another NodeContainer to the end of this container.
Helper class that adds ns3::Ipv4StaticRouting objects.
void AddValue(const std::string &name, const std::string &help, T &value)
Add a program argument, assigning to POD.
Definition: command-line.h:408
static void Stop(void)
If an event invokes this method, it will be the last event scheduled by the Simulator::run method bef...
Definition: simulator.cc:165
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Helper class that adds ns3::Ipv4GlobalRouting objects.
Helper class that adds ns3::Ipv4ListRouting objects.
void Parse(int argc, char *argv[])
Parse the program arguments.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
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...
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
tuple address
Definition: first.py:37
Ptr< Node > GetLeafNodeForAs(uint32_t asNum, uint32_t leafNum)
Returns a given router leaf node from a given AS.
int main(int argc, char *argv[])
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
void BuildBriteTopology(InternetStackHelper &stack)
Create NS3 topology using information generated from BRITE.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
void LogComponentEnable(char const *name, enum LogLevel level)
Definition: log.cc:311
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const