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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-tree-app-delay-tracer.cc
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/ndnSIM-module.h"
namespace ns3 {
/**
* This scenario simulates a tree topology (using topology reader module)
*
* /------\ /------\ /------\ /------\
* |leaf-1| |leaf-2| |leaf-3| |leaf-4|
* \------/ \------/ \------/ \------/
* ^ ^ ^ ^
* | | | |
* \ / \ /
* \ / \ / 10Mbps / 1ms
* \ / \ /
* | | | |
* v v v v
* /-------\ /-------\
* | rtr-1 | | rtr-2 |
* \-------/ \-------/
* ^ ^
* | |
* \ / 10 Mpbs / 1ms
* +--------+ +--------+
* | |
* v v
* /--------\
* | root |
* \--------/
*
*
* To run scenario and see what is happening, use the following command:
*
* ./waf --run=ndn-tree-app-delay-tracer
*/
int
main(int argc, char* argv[])
{
CommandLine cmd;
cmd.Parse(argc, argv);
AnnotatedTopologyReader topologyReader("", 1);
topologyReader.SetFileName("src/ndnSIM/examples/topologies/topo-tree.txt");
topologyReader.Read();
// Install CCNx stack on all nodes
ndn::StackHelper ndnHelper;
ndnHelper.InstallAll();
// Choosing forwarding strategy
ndn::StrategyChoiceHelper::InstallAll("/prefix", "/localhost/nfd/strategy/best-route");
// Installing global routing interface on all nodes
ndn::GlobalRoutingHelper ndnGlobalRoutingHelper;
ndnGlobalRoutingHelper.InstallAll();
// Getting containers for the consumer/producer
Ptr<Node> consumers[4] = {Names::Find<Node>("leaf-1"), Names::Find<Node>("leaf-2"),
Names::Find<Node>("leaf-3"), Names::Find<Node>("leaf-4")};
Ptr<Node> producer = Names::Find<Node>("root");
ndn::AppHelper consumerHelper("ns3::ndn::ConsumerBatches");
consumerHelper.SetPrefix("/root");
consumerHelper.SetAttribute("Batches", StringValue("1s 1 10s 1"));
consumerHelper.Install(consumers[0]);
consumerHelper.SetAttribute("Batches", StringValue("11s 1"));
consumerHelper.Install(consumers[1]);
consumerHelper.SetAttribute("Batches", StringValue("11s 1"));
consumerHelper.Install(consumers[2]);
ndn::AppHelper producerHelper("ns3::ndn::Producer");
producerHelper.SetAttribute("PayloadSize", StringValue("1024"));
// Register /root prefix with global routing controller and
// install producer that will satisfy Interests in /root namespace
ndnGlobalRoutingHelper.AddOrigins("/root", producer);
producerHelper.SetPrefix("/root");
producerHelper.Install(producer).Start(Seconds(9));
// Calculate and install FIBs
ndn::GlobalRoutingHelper::CalculateRoutes();
Simulator::Stop(Seconds(20.0));
ndn::AppDelayTracer::InstallAll("app-delays-trace.txt");
Simulator::Run();
Simulator::Destroy();
return 0;
}
} // namespace ns3
int
main(int argc, char* argv[])
{
return ns3::main(argc, argv);
}