A Discrete-Event Network Simulator
API
nsclick-routing.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 * Authors: Lalith Suresh <suresh.lalith@gmail.com>
17 */
18
19// Network topology
20//
21//
22// 172.16.1.0/24
23// (1.1) (1.2) (2.1) (2.2)
24//
25// eth0 eth0 eth1 eth0
26// n0 ========= n1 ========= n2
27// LAN 1 LAN 2
28//
29// - UDP flows from n0 to n2 via n1.
30// - All nodes are Click based.
31//
32
33#include "ns3/core-module.h"
34#include "ns3/network-module.h"
35#include "ns3/internet-module.h"
36#include "ns3/applications-module.h"
37#include "ns3/csma-module.h"
38#include "ns3/ipv4-click-routing.h"
39#include "ns3/ipv4-l3-click-protocol.h"
40#include "ns3/click-internet-stack-helper.h"
41
42using namespace ns3;
43
44NS_LOG_COMPONENT_DEFINE ("NsclickRouting");
45
46int
47main (int argc, char *argv[])
48{
49#ifdef NS3_CLICK
50 std::string clickConfigFolder = "src/click/examples";
51
52 CommandLine cmd (__FILE__);
53 cmd.AddValue ("clickConfigFolder", "Base folder for click configuration files", clickConfigFolder);
54 cmd.Parse (argc, argv);
55
56//
57// Explicitly create the nodes required by the topology (shown above).
58//
59 NS_LOG_INFO ("Create nodes.");
61 n.Create (3);
62
63//
64// Install Click on the nodes
65//
66 ClickInternetStackHelper clickinternet;
67 clickinternet.SetClickFile (n.Get (0), clickConfigFolder + "/nsclick-routing-node0.click");
68 clickinternet.SetClickFile (n.Get (1), clickConfigFolder + "/nsclick-ip-router.click");
69 clickinternet.SetClickFile (n.Get (2), clickConfigFolder + "/nsclick-routing-node2.click");
70 clickinternet.SetRoutingTableElement (n.Get (0), "kernel/rt");
71 clickinternet.SetRoutingTableElement (n.Get (1), "u/rt");
72 clickinternet.SetRoutingTableElement (n.Get (2), "kernel/rt");
73 clickinternet.Install (n);
74
75 NS_LOG_INFO ("Create channels.");
76//
77// Explicitly create the channels required by the topology (shown above).
78//
80 csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
81 csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
82 csma.SetDeviceAttribute ("Mtu", UintegerValue (1400));
83 NetDeviceContainer d01 = csma.Install (NodeContainer (n.Get (0), n.Get (1)));
84 NetDeviceContainer d12 = csma.Install (NodeContainer (n.Get (1), n.Get (2)));
85
87//
88// We've got the "hardware" in place. Now we need to add IP addresses.
89//
90 NS_LOG_INFO ("Assign IP Addresses.");
91 ipv4.SetBase ("172.16.1.0", "255.255.255.0");
92 Ipv4InterfaceContainer i01 = ipv4.Assign (d01);
93
94 ipv4.SetBase ("172.16.2.0", "255.255.255.0");
95 Ipv4InterfaceContainer i12 = ipv4.Assign (d12);
96
97 NS_LOG_INFO ("Create Applications.");
98//
99// Create one udpServer applications on node one.
100//
101 uint16_t port = 4000;
102 UdpServerHelper server (port);
103 ApplicationContainer apps = server.Install (n.Get (2));
104 apps.Start (Seconds (1.0));
105 apps.Stop (Seconds (10.0));
106
107//
108// Create one UdpClient application to send UDP datagrams from node zero to
109// node one.
110//
111 uint32_t MaxPacketSize = 1024;
112 Time interPacketInterval = Seconds (0.05);
113 uint32_t maxPacketCount = 320;
114 UdpClientHelper client (i12.GetAddress (1), port);
115 client.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
116 client.SetAttribute ("Interval", TimeValue (interPacketInterval));
117 client.SetAttribute ("PacketSize", UintegerValue (MaxPacketSize));
118 apps = client.Install (NodeContainer (n.Get (0)));
119 apps.Start (Seconds (2.0));
120 apps.Stop (Seconds (10.0));
121
122 csma.EnablePcap ("nsclick-routing", d01, false);
123 csma.EnablePcap ("nsclick-routing", d12, false);
124
125//
126// Now, do the actual simulation.
127//
128 NS_LOG_INFO ("Run Simulation.");
129 Simulator::Stop (Seconds (20.0));
130 Simulator::Run ();
131 Simulator::Destroy ();
132 NS_LOG_INFO ("Done.");
133#else
134 NS_FATAL_ERROR ("Can't use ns-3-click without NSCLICK compiled in");
135#endif
136}
holds a vector of ns3::Application pointers.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
Parse command-line arguments.
Definition: command-line.h:229
build a set of CsmaNetDevice objects
Definition: csma-helper.h:47
Class for representing data rates.
Definition: data-rate.h:89
AttributeValue implementation for DataRate.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
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
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.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:103
AttributeValue implementation for Time.
Definition: nstime.h:1308
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
Create a server application which waits for input UDP packets and uses the information carried into t...
Hold an unsigned integer type.
Definition: uinteger.h:44
uint16_t port
Definition: dsdv-manet.cc:45
#define NS_FATAL_ERROR(msg)
Report a fatal error with a message and terminate.
Definition: fatal-error.h:165
#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
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1252
Every class exported by the ns3 library is enclosed in the ns3 namespace.
csma
Definition: second.py:63
cmd
Definition: second.py:35