A Discrete-Event Network Simulator
API
colors-link-description.cc
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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 * Author: John Abraham <john.abraham.in@gmail.com>
17 */
18
19#include <iostream>
20
21#include "ns3/core-module.h"
22#include "ns3/network-module.h"
23#include "ns3/internet-module.h"
24#include "ns3/point-to-point-module.h"
25#include "ns3/netanim-module.h"
26#include "ns3/applications-module.h"
27#include "ns3/point-to-point-layout-module.h"
28
29using namespace ns3;
30
32
34struct rgb {
35 uint8_t r;
36 uint8_t g;
37 uint8_t b;
38};
39
40struct rgb colors [] = {
41 { 255, 0, 0 }, // Red
42 { 0, 255, 0 }, // Blue
43 { 0, 0, 255 } // Green
44 };
45
46void modify ()
47{
48 std::ostringstream oss;
49 oss << "Update:" << Simulator::Now ().GetSeconds ();
50 pAnim->UpdateLinkDescription (0, 1, oss.str ());
51 pAnim->UpdateLinkDescription (0, 2, oss.str ());
52 pAnim->UpdateLinkDescription (0, 3, oss.str ());
53 pAnim->UpdateLinkDescription (0, 4, oss.str ());
54 pAnim->UpdateLinkDescription (0, 5, oss.str ());
55 pAnim->UpdateLinkDescription (0, 6, oss.str ());
56 pAnim->UpdateLinkDescription (1, 7, oss.str ());
57 pAnim->UpdateLinkDescription (1, 8, oss.str ());
58 pAnim->UpdateLinkDescription (1, 9, oss.str ());
59 pAnim->UpdateLinkDescription (1, 10, oss.str ());
60 pAnim->UpdateLinkDescription (1, 11, oss.str ());
61
62 // Every update change the node description for node 2
63 std::ostringstream node0Oss;
64 node0Oss << "-----Node:" << Simulator::Now ().GetSeconds ();
65 pAnim->UpdateNodeDescription (2, node0Oss.str ());
66
67 // Every update change the color for node 4
68 static uint32_t index = 0;
69 index++;
70 if (index == 3)
71 index = 0;
72 struct rgb color = colors[index];
73 for (uint32_t nodeId = 4; nodeId < 12; ++nodeId)
74 pAnim->UpdateNodeColor (nodeId, color.r, color.g, color.b);
75
76
77 if (Simulator::Now ().GetSeconds () < 10) // This is important or the simulation
78 // will run endlessly
79 Simulator::Schedule (Seconds (1), modify);
80
81}
82
83int main (int argc, char *argv[])
84{
85 Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (512));
86 Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("500kb/s"));
87
88 uint32_t nLeftLeaf = 5;
89 uint32_t nRightLeaf = 5;
90 uint32_t nLeaf = 0; // If non-zero, number of both left and right
91 std::string animFile = "dynamic_linknode.xml" ; // Name of file for animation output
92
93 CommandLine cmd (__FILE__);
94 cmd.AddValue ("nLeftLeaf", "Number of left side leaf nodes", nLeftLeaf);
95 cmd.AddValue ("nRightLeaf","Number of right side leaf nodes", nRightLeaf);
96 cmd.AddValue ("nLeaf", "Number of left and right side leaf nodes", nLeaf);
97 cmd.AddValue ("animFile", "File Name for Animation Output", animFile);
98
99 cmd.Parse (argc,argv);
100 if (nLeaf > 0)
101 {
102 nLeftLeaf = nLeaf;
103 nRightLeaf = nLeaf;
104 }
105
106 // Create the point-to-point link helpers
107 PointToPointHelper pointToPointRouter;
108 pointToPointRouter.SetDeviceAttribute ("DataRate", StringValue ("10Mbps"));
109 pointToPointRouter.SetChannelAttribute ("Delay", StringValue ("1ms"));
110 PointToPointHelper pointToPointLeaf;
111 pointToPointLeaf.SetDeviceAttribute ("DataRate", StringValue ("10Mbps"));
112 pointToPointLeaf.SetChannelAttribute ("Delay", StringValue ("1ms"));
113
114 PointToPointDumbbellHelper d (nLeftLeaf, pointToPointLeaf,
115 nRightLeaf, pointToPointLeaf,
116 pointToPointRouter);
117
118 // Install Stack
120 d.InstallStack (stack);
121
122 // Assign IP Addresses
123 d.AssignIpv4Addresses (Ipv4AddressHelper ("10.1.1.0", "255.255.255.0"),
124 Ipv4AddressHelper ("10.2.1.0", "255.255.255.0"),
125 Ipv4AddressHelper ("10.3.1.0", "255.255.255.0"));
126
127 d.BoundingBox (1, 1, 100, 100);
128 // Install on/off app on all right side nodes
129 OnOffHelper clientHelper ("ns3::UdpSocketFactory", Address ());
130 clientHelper.SetAttribute
131 ("OnTime", StringValue ("ns3::UniformRandomVariable[Min=0.|Max=1.]"));
132 clientHelper.SetAttribute
133 ("OffTime", StringValue ("ns3::UniformRandomVariable[Min=0.|Max=1.]"));
135
136 for (uint32_t i = 0; i < d.RightCount (); ++i)
137 {
138 // Create an on/off app sending packets to the same leaf right side
139 AddressValue remoteAddress (InetSocketAddress (d.GetLeftIpv4Address (i), 1000));
140 clientHelper.SetAttribute ("Remote", remoteAddress);
141 clientApps.Add (clientHelper.Install (d.GetRight (i)));
142 }
143
144 clientApps.Start (Seconds (0.0));
145 clientApps.Stop (Seconds (10.0));
146
147 // Set the bounding box for animation
148
149
150 // Create the animation object and configure for specified output
151 pAnim = new AnimationInterface (animFile);
152 Simulator::Schedule (Seconds (1), modify);
153
154 // Set up the actual simulation
155 Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
156
157 Simulator::Run ();
158 std::cout << "Animation Trace file created:" << animFile.c_str ()<< std::endl;
159 Simulator::Destroy ();
160 delete pAnim;
161 return 0;
162}
a polymophic address class
Definition: address.h:91
AttributeValue implementation for Address.
Interface to network animator.
void UpdateLinkDescription(uint32_t fromNode, uint32_t toNode, std::string linkDescription)
Helper function to update the description for a link.
void UpdateNodeDescription(Ptr< Node > n, std::string descr)
Helper function to update the description for a given node.
void UpdateNodeColor(Ptr< Node > n, uint8_t r, uint8_t g, uint8_t b)
Helper function to update the node color.
holds a vector of ns3::Application pointers.
Parse command-line arguments.
Definition: command-line.h:229
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.
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
Definition: on-off-helper.h:43
A helper to make it easier to create a dumbbell topology with p2p links.
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.
Hold variables of type string.
Definition: string.h:41
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:379
Hold an unsigned integer type.
Definition: uinteger.h:44
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:849
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:287
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
clientApps
Definition: first.py:61
stack
Definition: first.py:41
Every class exported by the ns3 library is enclosed in the ns3 namespace.
cmd
Definition: second.py:35
RGB structure.
uint8_t b
blue
uint8_t g
green
uint8_t r
red