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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011-2012 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
// ndn-congestion-alt-topo-plugin.cc
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/ndnSIM-module.h"
using namespace ns3;
/**
*
* /------\ 0 0 /------\
* | c1 |<-----+ +----->| p1 |
* \------/ \ / \------/
* \ /-----\ /
* /------\ 0 \ +==>| r12 |<==+ / 0 /------\
* | c2 |<--+ \ / \-----/ \ / +-->| p2 |
* \------/ \ \ | | / / \------/
* \ | | 1Mbps links | | /
* \ 1 v0 v5 1v 2v 3 /
* +->/------\ /------\<-+
* 2| r1 |<===============>| r2 |4
* +->\------/4 0\------/<-+
* / 3^ ^5 \
* / | | \
* /------\ 0 / / \ \ 0 /------\
* | c3 |<--+ / \ +-->| p3 |
* \------/ / \ \------/
* / "All consumer-router and" \
* /------\ 0 / "router-producer links are" \ 0 /------\
* | c4 |<-----+ "10Mbps" +---->| p4 |
* \------/ \------/
*
* "Numbers near nodes denote face IDs. Face ID is assigned based on the order of link"
* "definitions in the topology file"
*
* To run scenario and see what is happening, use the following command:
*
* NS_LOG=ndn.Consumer:ndn.Producer ./waf --run=ndn-congestion-alt-topo-plugin
*/
int
main (int argc, char *argv[])
{
CommandLine cmd;
cmd.Parse (argc, argv);
AnnotatedTopologyReader topologyReader ("", 1);
topologyReader.SetFileName ("src/ndnSIM/examples/topologies/topo-11-node-two-bottlenecks.txt");
topologyReader.Read ();
// Install NDN stack on all nodes
ndn::StackHelper ndnHelper;
ndnHelper.SetForwardingStrategy ("ns3::ndn::fw::CustomStrategy");
ndnHelper.SetContentStore ("ns3::ndn::cs::Lru",
"MaxSize", "1"); // ! Attention ! If set to 0, then MaxSize is infinite
ndnHelper.InstallAll ();
// Getting containers for the consumer/producer
Ptr<Node> consumers[4] = { Names::Find<Node> ("c1"), Names::Find<Node> ("c2"), Names::Find<Node> ("c3"), Names::Find<Node> ("c4") };
Ptr<Node> producers[4] = { Names::Find<Node> ("p1"), Names::Find<Node> ("p2"), Names::Find<Node> ("p3"), Names::Find<Node> ("p4") };
if (consumers[0] == 0 || consumers[1] == 0 || consumers[2] == 0 || consumers[3] == 0 ||
producers[0] == 0 || producers[1] == 0 || producers[2] == 0 || producers[3] == 0)
{
NS_FATAL_ERROR ("Error in topology: one nodes c1, c2, c3, c4, p1, p2, p3, or p4 is missing");
}
for (int i = 0; i < 4; i++)
{
std::string prefix = "/data/"+Names::FindName (producers[i]);
/////////////////////////////////////////////////////////////////////////////////
// install consumer app on consumer node c_i to request data from producer p_i //
/////////////////////////////////////////////////////////////////////////////////
ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerCbr");
consumerHelper.SetAttribute ("Frequency", StringValue ("10")); // 100 interests a second
consumerHelper.SetPrefix (prefix);
ApplicationContainer consumer = consumerHelper.Install (consumers[i]);
consumer.Start (Seconds (i)); // start consumers at 0s, 1s, 2s, 3s
consumer.Stop (Seconds (19-i)); // stop consumers at 19s, 18s, 17s, 16s
///////////////////////////////////////////////
// install producer app on producer node p_i //
///////////////////////////////////////////////
ndn::AppHelper producerHelper ("ns3::ndn::Producer");
producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
// install producer that will satisfy Interests in /dst1 namespace
producerHelper.SetPrefix (prefix);
ApplicationContainer producer = producerHelper.Install (producers[i]);
// when Start/Stop time is not specified, the application is running throughout the simulation
}
// Manually configure FIB routes
ndn::StackHelper::AddRoute ("c1", "/data", "n1", 1); // link to n1
ndn::StackHelper::AddRoute ("c2", "/data", "n1", 1); // link to n1
ndn::StackHelper::AddRoute ("c3", "/data", "n1", 1); // link to n1
ndn::StackHelper::AddRoute ("c4", "/data", "n1", 1); // link to n1
ndn::StackHelper::AddRoute ("n1", "/data", "n2", 1); // link to n2
ndn::StackHelper::AddRoute ("n1", "/data", "n12", 2); // link to n12
ndn::StackHelper::AddRoute ("n12", "/data", "n2", 1); // link to n2
ndn::StackHelper::AddRoute ("n2", "/data/p1", "p1", 1); // link to p1
ndn::StackHelper::AddRoute ("n2", "/data/p2", "p2", 1); // link to p2
ndn::StackHelper::AddRoute ("n2", "/data/p3", "p3", 1); // link to p3
ndn::StackHelper::AddRoute ("n2", "/data/p4", "p4", 1); // link to p4
// Schedule simulation time and run the simulation
Simulator::Stop (Seconds (20.0));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}