A Discrete-Event Network Simulator
API
simple-point-to-point-olsr.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 //
19 // Simple example of OLSR routing over some point-to-point links
20 //
21 // Network topology
22 //
23 // n0
24 // \ 5 Mb/s, 2ms
25 // \ 1.5Mb/s, 10ms
26 // n2 -------------------------n3---------n4
27 // /
28 // / 5 Mb/s, 2ms
29 // n1
30 //
31 // - all links are point-to-point links with indicated one-way BW/delay
32 // - CBR/UDP flows from n0 to n4, and from n3 to n1
33 // - UDP packet size of 210 bytes, with per-packet interval 0.00375 sec.
34 // (i.e., DataRate of 448,000 bps)
35 // - DropTail queues
36 // - Tracing of queues and packet receptions to file "simple-point-to-point-olsr.tr"
37 
38 #include <iostream>
39 #include <fstream>
40 #include <string>
41 #include <cassert>
42 
43 #include "ns3/core-module.h"
44 #include "ns3/network-module.h"
45 #include "ns3/internet-module.h"
46 #include "ns3/point-to-point-module.h"
47 #include "ns3/applications-module.h"
48 #include "ns3/olsr-helper.h"
49 #include "ns3/ipv4-static-routing-helper.h"
50 #include "ns3/ipv4-list-routing-helper.h"
51 
52 using namespace ns3;
53 
54 NS_LOG_COMPONENT_DEFINE ("SimplePointToPointOlsrExample");
55 
56 int
57 main (int argc, char *argv[])
58 {
59  // Users may find it convenient to turn on explicit debugging
60  // for selected modules; the below lines suggest how to do this
61 #if 0
62  LogComponentEnable ("SimpleGlobalRoutingExample", LOG_LEVEL_INFO);
63 #endif
64 
65  // Set up some default values for the simulation. Use the
66 
67  Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (210));
68  Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("448kb/s"));
69 
70  //DefaultValue::Bind ("DropTailQueue::m_maxPackets", 30);
71 
72  // Allow the user to override any of the defaults and the above
73  // DefaultValue::Bind ()s at run-time, via command-line arguments
75  cmd.Parse (argc, argv);
76 
77  // Here, we will explicitly create four nodes. In more sophisticated
78  // topologies, we could configure a node factory.
79  NS_LOG_INFO ("Create nodes.");
80  NodeContainer c;
81  c.Create (5);
82  NodeContainer n02 = NodeContainer (c.Get (0), c.Get (2));
83  NodeContainer n12 = NodeContainer (c.Get (1), c.Get (2));
84  NodeContainer n32 = NodeContainer (c.Get (3), c.Get (2));
85  NodeContainer n34 = NodeContainer (c.Get (3), c.Get (4));
86 
87  // Enable OLSR
88  NS_LOG_INFO ("Enabling OLSR Routing.");
90 
91  Ipv4StaticRoutingHelper staticRouting;
92 
94  list.Add (staticRouting, 0);
95  list.Add (olsr, 10);
96 
97  InternetStackHelper internet;
98  internet.SetRoutingHelper (list); // has effect on the next Install ()
99  internet.Install (c);
100 
101  // We create the channels first without any IP addressing information
102  NS_LOG_INFO ("Create channels.");
103  PointToPointHelper p2p;
104  p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
105  p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
106  NetDeviceContainer nd02 = p2p.Install (n02);
107  NetDeviceContainer nd12 = p2p.Install (n12);
108  p2p.SetDeviceAttribute ("DataRate", StringValue ("1500kbps"));
109  p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));
110  NetDeviceContainer nd32 = p2p.Install (n32);
111  NetDeviceContainer nd34 = p2p.Install (n34);
112 
113  // Later, we add IP addresses.
114  NS_LOG_INFO ("Assign IP Addresses.");
115  Ipv4AddressHelper ipv4;
116  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
117  Ipv4InterfaceContainer i02 = ipv4.Assign (nd02);
118 
119  ipv4.SetBase ("10.1.2.0", "255.255.255.0");
120  Ipv4InterfaceContainer i12 = ipv4.Assign (nd12);
121 
122  ipv4.SetBase ("10.1.3.0", "255.255.255.0");
123  Ipv4InterfaceContainer i32 = ipv4.Assign (nd32);
124 
125  ipv4.SetBase ("10.1.4.0", "255.255.255.0");
126  Ipv4InterfaceContainer i34 = ipv4.Assign (nd34);
127 
128  // Create the OnOff application to send UDP datagrams of size
129  // 210 bytes at a rate of 448 Kb/s from n0 to n4
130  NS_LOG_INFO ("Create Applications.");
131  uint16_t port = 9; // Discard port (RFC 863)
132 
133  OnOffHelper onoff ("ns3::UdpSocketFactory",
134  InetSocketAddress (i34.GetAddress (1), port));
135  onoff.SetConstantRate (DataRate ("448kb/s"));
136 
137  ApplicationContainer apps = onoff.Install (c.Get (0));
138  apps.Start (Seconds (1.0));
139  apps.Stop (Seconds (10.0));
140 
141  // Create a packet sink to receive these packets
142  PacketSinkHelper sink ("ns3::UdpSocketFactory",
144 
145  apps = sink.Install (c.Get (3));
146  apps.Start (Seconds (1.0));
147  apps.Stop (Seconds (10.0));
148 
149  // Create a similar flow from n3 to n1, starting at time 1.1 seconds
150  onoff.SetAttribute ("Remote",
152  apps = onoff.Install (c.Get (3));
153  apps.Start (Seconds (1.1));
154  apps.Stop (Seconds (10.0));
155 
156  // Create a packet sink to receive these packets
157  apps = sink.Install (c.Get (1));
158  apps.Start (Seconds (1.1));
159  apps.Stop (Seconds (10.0));
160 
161  AsciiTraceHelper ascii;
162  p2p.EnableAsciiAll (ascii.CreateFileStream ("simple-point-to-point-olsr.tr"));
163  p2p.EnablePcapAll ("simple-point-to-point-olsr");
164 
165  Simulator::Stop (Seconds (30));
166 
167  NS_LOG_INFO ("Run Simulation.");
168  Simulator::Run ();
170  NS_LOG_INFO ("Done.");
171 
172  return 0;
173 }
Ptr< PacketSink > sink
Definition: wifi-tcp.cc:45
holds a vector of ns3::Application pointers.
Manage ASCII trace files for device models.
Definition: trace-helper.h:161
an Inet address class
static Ipv4Address GetAny(void)
holds a vector of std::pair of Ptr and interface index.
Hold variables of type string.
Definition: string.h:41
NetDeviceContainer Install(NodeContainer c)
static void Run(void)
Run the simulation.
Definition: simulator.cc:226
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
aggregate IP/TCP/UDP functionality to existing Nodes.
Helper class that adds OLSR routing to nodes.
Definition: olsr-helper.h:40
LOG_INFO and above.
Definition: log.h:103
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Definition: log.h:277
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes...
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.
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
Definition: on-off-helper.h:42
tuple cmd
Definition: second.py:35
uint16_t port
Definition: dsdv-manet.cc:44
Class for representing data rates.
Definition: data-rate.h:88
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
Definition: log.cc:369
void EnablePcapAll(std::string prefix, bool promiscuous=false)
Enable pcap output on each device (which is of the appropriate type) in the set of all nodes created ...
Hold an unsigned integer type.
Definition: uinteger.h:44
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:205
#define list
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:190
Every class exported by the ns3 library is enclosed in the ns3 namespace.
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...
Definition: olsr.py:1
void Add(const Ipv4RoutingHelper &routing, int16_t priority)
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
AttributeValue implementation for Address.
Definition: address.h:278
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...
Helper class that adds ns3::Ipv4StaticRouting objects.
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:234
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:993
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:782
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.
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const