A Discrete-Event Network Simulator
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global-routing-slash32.cc
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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// Test program for this 3-router scenario, using global routing
18//
19// (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
20
21#include "ns3/applications-module.h"
22#include "ns3/core-module.h"
23#include "ns3/csma-net-device.h"
24#include "ns3/internet-module.h"
25#include "ns3/ipv4-global-routing-helper.h"
26#include "ns3/network-module.h"
27#include "ns3/point-to-point-module.h"
28
29#include <cassert>
30#include <fstream>
31#include <iostream>
32#include <string>
33
34using namespace ns3;
35
36NS_LOG_COMPONENT_DEFINE("GlobalRouterSlash32Test");
37
38int
39main(int argc, char* argv[])
40{
41 // Allow the user to override any of the defaults and the above
42 // DefaultValue::Bind ()s at run-time, via command-line arguments
43 CommandLine cmd(__FILE__);
44 cmd.Parse(argc, argv);
45
46 Ptr<Node> nA = CreateObject<Node>();
47 Ptr<Node> nB = CreateObject<Node>();
48 Ptr<Node> nC = CreateObject<Node>();
49
50 NodeContainer c = NodeContainer(nA, nB, nC);
51
53 internet.Install(c);
54
55 // Point-to-point links
56 NodeContainer nAnB = NodeContainer(nA, nB);
57 NodeContainer nBnC = NodeContainer(nB, nC);
58
59 // We create the channels first without any IP addressing information
61 p2p.SetDeviceAttribute("DataRate", StringValue("5Mbps"));
62 p2p.SetChannelAttribute("Delay", StringValue("2ms"));
63 NetDeviceContainer dAdB = p2p.Install(nAnB);
64
65 NetDeviceContainer dBdC = p2p.Install(nBnC);
66
67 Ptr<CsmaNetDevice> deviceA = CreateObject<CsmaNetDevice>();
68 deviceA->SetAddress(Mac48Address::Allocate());
69 nA->AddDevice(deviceA);
70 deviceA->SetQueue(CreateObject<DropTailQueue<Packet>>());
71
72 Ptr<CsmaNetDevice> deviceC = CreateObject<CsmaNetDevice>();
73 deviceC->SetAddress(Mac48Address::Allocate());
74 nC->AddDevice(deviceC);
75 deviceC->SetQueue(CreateObject<DropTailQueue<Packet>>());
76
77 // Later, we add IP addresses.
79 ipv4.SetBase("10.1.1.0", "255.255.255.252");
80 Ipv4InterfaceContainer iAiB = ipv4.Assign(dAdB);
81
82 ipv4.SetBase("10.1.1.4", "255.255.255.252");
83 Ipv4InterfaceContainer iBiC = ipv4.Assign(dBdC);
84
85 Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4>();
86 Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4>();
87
88 int32_t ifIndexA = ipv4A->AddInterface(deviceA);
89 int32_t ifIndexC = ipv4C->AddInterface(deviceC);
90
91 Ipv4InterfaceAddress ifInAddrA =
92 Ipv4InterfaceAddress(Ipv4Address("172.16.1.1"), Ipv4Mask("255.255.255.255"));
93 ipv4A->AddAddress(ifIndexA, ifInAddrA);
94 ipv4A->SetMetric(ifIndexA, 1);
95 ipv4A->SetUp(ifIndexA);
96
97 Ipv4InterfaceAddress ifInAddrC =
98 Ipv4InterfaceAddress(Ipv4Address("192.168.1.1"), Ipv4Mask("255.255.255.255"));
99 ipv4C->AddAddress(ifIndexC, ifInAddrC);
100 ipv4C->SetMetric(ifIndexC, 1);
101 ipv4C->SetUp(ifIndexC);
102
103 // Create router nodes, initialize routing database and set up the routing
104 // tables in the nodes.
106
107 // Create the OnOff application to send UDP datagrams of size
108 // 210 bytes at a rate of 448 Kb/s
109 uint16_t port = 9; // Discard port (RFC 863)
110 OnOffHelper onoff("ns3::UdpSocketFactory",
111 Address(InetSocketAddress(ifInAddrC.GetLocal(), port)));
112 onoff.SetConstantRate(DataRate(6000));
113 ApplicationContainer apps = onoff.Install(nA);
114 apps.Start(Seconds(1.0));
115 apps.Stop(Seconds(10.0));
116
117 // Create a packet sink to receive these packets
118 PacketSinkHelper sink("ns3::UdpSocketFactory",
120 apps = sink.Install(nC);
121 apps.Start(Seconds(1.0));
122 apps.Stop(Seconds(10.0));
123
124 AsciiTraceHelper ascii;
125 p2p.EnableAsciiAll(ascii.CreateFileStream("global-routing-slash32.tr"));
126 p2p.EnablePcapAll("global-routing-slash32");
127
130
131 return 0;
132}
a polymophic address class
Definition: address.h:101
holds a vector of ns3::Application pointers.
void Start(Time start) const
Start all of the Applications in this container at the start time given as a parameter.
void Stop(Time stop) const
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
Manage ASCII trace files for device models.
Definition: trace-helper.h:174
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.
Parse command-line arguments.
Definition: command-line.h:232
Class for representing data rates.
Definition: data-rate.h:89
A FIFO packet queue that drops tail-end packets on overflow.
an Inet address class
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:42
static Ipv4Address GetAny()
static void PopulateRoutingTables()
Build a routing database and initialize the routing tables of the nodes in the simulation.
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition: ipv4.h:80
a class to store IPv4 address information on an interface
Ipv4Address GetLocal() const
Get the local address.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:257
static Mac48Address Allocate()
Allocate a new Mac48Address.
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
Definition: on-off-helper.h:37
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
Build a set of PointToPointNetDevice objects.
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:77
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:142
static void Run()
Run the simulation.
Definition: simulator.cc:178
Hold variables of type string.
Definition: string.h:56
uint16_t port
Definition: dsdv-manet.cc:44
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
Ptr< T > CreateObject(Args &&... args)
Create an object by type, with varying number of constructor parameters.
Definition: object.h:630
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns cmd
Definition: second.py:40
Ptr< PacketSink > sink
Pointer to the packet sink application.
Definition: wifi-tcp.cc:55