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gerrit.named-data.net / ndnSIM / e97c6076c2d38d05518bdf040c92ccebfec1c01f / . / examples / ndn-congestion-alt-topo-plugin.cc
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Alexander Afanasyeve97c6072012-11-21 23:51:12 -0800[diff] [blame^]1/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2011-2012 University of California, Los Angeles
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19 */
20
21// ndn-congestion-alt-topo-plugin.cc
22
23#include "ns3/core-module.h"
24#include "ns3/network-module.h"
25#include "ns3/ndnSIM-module.h"
26
27using namespace ns3;
28
29/**
30 *
31 * /------\ 0 0 /------\
32 * | c1 |<-----+ +----->| p1 |
33 * \------/ \ / \------/
34 * \ /-----\ /
35 * /------\ 0 \ +==>| r12 |<==+ / 0 /------\
36 * | c2 |<--+ \ / \-----/ \ / +-->| p2 |
37 * \------/ \ \ | | / / \------/
38 * \ | | 1Mbps links | | /
39 * \ 1 v0 v5 1v 2v 3 /
40 * +->/------\ /------\<-+
41 * 2| r1 |<===============>| r2 |4
42 * +->\------/4 0\------/<-+
43 * / 3^ ^5 \
44 * / | | \
45 * /------\ 0 / / \ \ 0 /------\
46 * | c3 |<--+ / \ +-->| p3 |
47 * \------/ / \ \------/
48 * / "All consumer-router and" \
49 * /------\ 0 / "router-producer links are" \ 0 /------\
50 * | c4 |<-----+ "10Mbps" +---->| p4 |
51 * \------/ \------/
52 *
53 * "Numbers near nodes denote face IDs. Face ID is assigned based on the order of link"
54 * "definitions in the topology file"
55 *
56 * To run scenario and see what is happening, use the following command:
57 *
58 * NS_LOG=ndn.Consumer:ndn.Producer ./waf --run=ndn-congestion-alt-topo-plugin
59 */
60
61int
62main (int argc, char *argv[])
63{
64 CommandLine cmd;
65 cmd.Parse (argc, argv);
66
67 AnnotatedTopologyReader topologyReader ("", 1);
68 topologyReader.SetFileName ("src/ndnSIM/examples/topologies/topo-11-node-two-bottlenecks.txt");
69 topologyReader.Read ();
70
71 // Install CCNx stack on all nodes
72 ndn::StackHelper ccnxHelper;
73 ccnxHelper.SetForwardingStrategy ("ns3::ndn::fw::CustomStrategy");
74 ccnxHelper.SetContentStore ("ns3::ndn::cs::Lru",
75 "MaxSize", "1"); // ! Attention ! If set to 0, then MaxSize is infinite
76 ccnxHelper.InstallAll ();
77
78 // Getting containers for the consumer/producer
79 Ptr<Node> consumers[4] = { Names::Find<Node> ("c1"), Names::Find<Node> ("c2"), Names::Find<Node> ("c3"), Names::Find<Node> ("c4") };
80 Ptr<Node> producers[4] = { Names::Find<Node> ("p1"), Names::Find<Node> ("p2"), Names::Find<Node> ("p3"), Names::Find<Node> ("p4") };
81
82 if (consumers[0] == 0 || consumers[1] == 0 || consumers[2] == 0 || consumers[3] == 0 ||
83 producers[0] == 0 || producers[1] == 0 || producers[2] == 0 || producers[3] == 0)
84 {
85 NS_FATAL_ERROR ("Error in topology: one nodes c1, c2, c3, c4, p1, p2, p3, or p4 is missing");
86 }
87
88 for (int i = 0; i < 4; i++)
89 {
90 std::string prefix = "/data/"+Names::FindName (producers[i]);
91
92 /////////////////////////////////////////////////////////////////////////////////
93 // install consumer app on consumer node c_i to request data from producer p_i //
94 /////////////////////////////////////////////////////////////////////////////////
95
96 ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerCbr");
97 consumerHelper.SetAttribute ("Frequency", StringValue ("10")); // 100 interests a second
98
99 consumerHelper.SetPrefix (prefix);
100 ApplicationContainer consumer = consumerHelper.Install (consumers[i]);
101 consumer.Start (Seconds (i)); // start consumers at 0s, 1s, 2s, 3s
102 consumer.Stop (Seconds (19-i)); // stop consumers at 19s, 18s, 17s, 16s
103
104 ///////////////////////////////////////////////
105 // install producer app on producer node p_i //
106 ///////////////////////////////////////////////
107
108 ndn::AppHelper producerHelper ("ns3::ndn::Producer");
109 producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
110
111 // install producer that will satisfy Interests in /dst1 namespace
112 producerHelper.SetPrefix (prefix);
113 ApplicationContainer producer = producerHelper.Install (producers[i]);
114 // when Start/Stop time is not specified, the application is running throughout the simulation
115 }
116
117 // Manually configure FIB routes
118 ndn::StackHelper::AddRoute ("c1", "/data", 0, 1); // link to n1
119 ndn::StackHelper::AddRoute ("c2", "/data", 0, 1); // link to n1
120 ndn::StackHelper::AddRoute ("c3", "/data", 0, 1); // link to n1
121 ndn::StackHelper::AddRoute ("c4", "/data", 0, 1); // link to n1
122
123 ndn::StackHelper::AddRoute ("n1", "/data", 4, 1); // link to n2
124 ndn::StackHelper::AddRoute ("n1", "/data", 5, 2); // link to n12
125
126 ndn::StackHelper::AddRoute ("n12", "/data", 1, 2); // link to n2
127
128 ndn::StackHelper::AddRoute ("n2", "/data/p1", 2, 2); // link to p1
129 ndn::StackHelper::AddRoute ("n2", "/data/p2", 3, 2); // link to p2
130 ndn::StackHelper::AddRoute ("n2", "/data/p3", 4, 2); // link to p3
131 ndn::StackHelper::AddRoute ("n2", "/data/p4", 5, 2); // link to p4
132
133 // Schedule simulation time and run the simulation
134 Simulator::Stop (Seconds (20.0));
135 Simulator::Run ();
136 Simulator::Destroy ();
137
138 return 0;
139}