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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-cs-tracers.cc
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/ndnSIM-module.h"
using 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-cs-tracers
*/
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.SetForwardingStrategy ("ns3::ndn::fw::BestRoute");
ndnHelper.SetContentStore ("ns3::ndn::cs::Lru", "MaxSize", "100"); // default ContentStore parameters
ndnHelper.InstallAll ();
// Installing global routing interface on all nodes
ndn::GlobalRoutingHelper ccnxGlobalRoutingHelper;
ccnxGlobalRoutingHelper.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");
for (int i = 0; i < 4; i++)
{
ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerCbr");
consumerHelper.SetAttribute ("Frequency", StringValue ("10")); // 100 interests a second
// Each consumer will express the same data /root/<seq-no>
consumerHelper.SetPrefix ("/root");
ApplicationContainer app = consumerHelper.Install (consumers[i]);
app.Start (Seconds (0.01 * i));
}
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
ccnxGlobalRoutingHelper.AddOrigins ("/root", producer);
producerHelper.SetPrefix ("/root");
producerHelper.Install (producer);
// Calculate and install FIBs
ccnxGlobalRoutingHelper.CalculateRoutes ();
Simulator::Stop (Seconds (20.0));
ndn::CsTracer::InstallAll ("cs-trace.txt", Seconds (1));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}