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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 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: Ilya Moiseenko <iliamo@cs.ucla.edu>
*/
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/NDNabstraction-module.h"
#include "ns3/point-to-point-grid.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/random-variable.h"
#include <iostream>
#include <sstream>
#include <map>
#include <list>
#include <set>
#include "ns3/rocketfuel-topology-reader.h"
#include <boost/lexical_cast.hpp>
#include <boost/foreach.hpp>
using namespace ns3;
using namespace std;
using namespace boost;
NS_LOG_COMPONENT_DEFINE ("Scenario");
void PrintTime ()
{
cout << "Progress: " << Simulator::Now ().ToDouble (Time::S) << "s" << endl;
Simulator::Schedule (Seconds (1.0), PrintTime);
}
class Experiment
{
public:
void
ConfigureTopology ()
{
string weights ("./src/NDNabstraction/examples/sprint-pops.weights");
string latencies ("./src/NDNabstraction/examples/sprint-pops.latencies");
string positions ("./src/NDNabstraction/examples/sprint-pops.positions");
string strategy ("ns3::CcnxBestRouteStrategy");
// string strategy ("ns3::CcnxFloodingStrategy");
RocketfuelWeightsReader reader ("/sprint");
reader.SetFileName (positions);
reader.SetFileType (RocketfuelWeightsReader::POSITIONS);
reader.Read ();
reader.SetFileName (weights);
reader.SetFileType (RocketfuelWeightsReader::WEIGHTS);
reader.Read ();
reader.SetFileName (latencies);
reader.SetFileType (RocketfuelWeightsReader::LATENCIES);
reader.Read ();
reader.Commit ();
NS_ASSERT_MSG (reader.LinksSize () != 0, "Problems reading the topology file. Failing.");
NS_LOG_INFO("Nodes = " << reader.GetNodes ().GetN());
NS_LOG_INFO("Links = " << reader.LinksSize ());
// ------------------------------------------------------------
// -- Read topology data.
// --------------------------------------------
InternetStackHelper stack;
Ipv4GlobalRoutingHelper ipv4RoutingHelper ("ns3::Ipv4GlobalRoutingOrderedNexthops");
stack.SetRoutingHelper (ipv4RoutingHelper);
stack.Install (reader.GetNodes ());
reader.AssignIpv4Addresses (Ipv4Address ("10.0.0.0"));
// Install CCNx stack
NS_LOG_INFO ("Installing CCNx stack");
CcnxStackHelper ccnxHelper;
ccnxHelper.SetForwardingStrategy (strategy);
ccnxHelper.EnableLimits (true, Seconds(0.1));
ccnxHelper.SetDefaultRoutes (false);
ccnxHelper.InstallAll ();
// // Populate FIB based on IPv4 global routing controller
ccnxHelper.InstallFakeGlobalRoutes ();
ccnxHelper.InstallRoutesToAll ();
m_rand = UniformVariable (0, reader.GetNodes ().GetN());
}
public:
void
Run (const Time &finishTime)
{
cout << "Run Simulation.\n";
Simulator::Stop (finishTime);
Simulator::Schedule (Seconds (1.0), PrintTime);
Simulator::Run ();
Simulator::Destroy ();
cout << "Done.\n";
}
ApplicationContainer
AddRandomApplications (uint16_t numStreams)
{
map<uint32_t, set<uint32_t> > streams;
ApplicationContainer apps;
uint16_t createdStreams = 0;
uint16_t guard = 0;
while (createdStreams < numStreams && guard < (numeric_limits<uint16_t>::max ()-1))
{
guard ++;
uint32_t node1_num = m_rand.GetValue ();
uint32_t node2_num = m_rand.GetValue ();
if (node1_num == node2_num)
continue;
if (streams[node1_num].count (node2_num) > 0) // don't create duplicate streams
continue;
streams[node1_num].insert (node2_num);
Ptr<Node> node1 = Names::Find<Node> ("/sprint", lexical_cast<string> (node1_num));
Ptr<Node> node2 = Names::Find<Node> ("/sprint", lexical_cast<string> (node2_num));
CcnxAppHelper consumerHelper ("ns3::CcnxConsumer");
consumerHelper.SetPrefix ("/" + lexical_cast<string> (node2->GetId ()));
consumerHelper.SetAttribute ("MeanRate", StringValue ("2Mbps"));
consumerHelper.SetAttribute ("Size", StringValue ("2"));
CcnxAppHelper producerHelper ("ns3::CcnxProducer");
producerHelper.SetPrefix ("/" + lexical_cast<string> (node2->GetId ()));
apps.Add
(consumerHelper.Install (node1));
apps.Add
(producerHelper.Install (node2));
createdStreams ++;
}
return apps;
}
UniformVariable m_rand;
};
int
main (int argc, char *argv[])
{
cout << "Begin congestion-pop scenario\n";
Config::SetDefault ("ns3::PointToPointNetDevice::DataRate", StringValue ("1Mbps"));
Config::SetDefault ("ns3::DropTailQueue::MaxPackets", StringValue ("20"));
Time finishTime = Seconds (20.0);
CommandLine cmd;
cmd.AddValue ("finish", "Finish time", finishTime);
cmd.Parse (argc, argv);
Experiment experiment;
for (uint32_t i = 0; i < 100; i++)
{
experiment.ConfigureTopology ();
ApplicationContainer apps = experiment.AddRandomApplications (20);
for (uint32_t i = 0; i < apps.GetN () / 2; i++)
{
cout << "From " << apps.Get (i*2)->GetNode ()->GetId ()
<< " to " << apps.Get (i*2 + 1)->GetNode ()->GetId ();
cout << "\n";
}
CcnxTraceHelper traceHelper;
// traceHelper.EnableAggregateAppAll ("ns3::CcnxConsumer");
// traceHelper.EnableAggregateAppAll ("ns3::CcnxProducer");
// traceHelper.EnableAggregateL3All ();
// traceHelper.SetL3TraceFile ("trace-l3.log");
// traceHelper.SetAppTraceFile ("trace-app.log");
// traceHelper.EnableRateL3All ("rate-trace.log");
traceHelper.EnableSeqsAppAll ("ns3::CcnxConsumer", "consumers-seqs.log");
experiment.Run (finishTime);
}
cout << "Finish congestion-pop scenario\n";
return 0;
}