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diff --git a/examples/congestion-tcp-pop.cc b/examples/congestion-tcp-pop.cc
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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 "ns3/internet-module.h"
+#include "ns3/applications-module.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
+ ConfigureCcnxTopology ()
+ {
+ Names::Clear ();
+
+ 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());
+ }
+
+ void
+ ConfigureIpv4Topology ()
+ {
+ Names::Clear ();
+
+ 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;
+ 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.InstallFakeGlobalRoutesImpl ();
+ Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
+
+ m_rand = UniformVariable (0, reader.GetNodes ().GetN());
+ }
+
+
+ ApplicationContainer
+ AddCcnxRandomApplications (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 ("1.983642578125")); //to make sure max seq # is 2000
+
+ CcnxAppHelper producerHelper ("ns3::CcnxProducer");
+ producerHelper.SetPrefix ("/" + lexical_cast<string> (node2->GetId ()));
+
+ apps.Add
+ (consumerHelper.Install (node1));
+
+ apps.Add
+ (producerHelper.Install (node2));
+
+ createdStreams ++;
+ }
+
+ return apps;
+ }
+
+ ApplicationContainer
+ AddTcpRandomApplications (uint16_t numStreams)
+ {
+ map<uint32_t, set<uint32_t> > streams;
+ ApplicationContainer apps;
+
+ const static uint32_t base_port = 1000;
+ 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));
+
+ // to make sure we don't reuse the same port numbers for different flows, just make all port numbers unique
+ PacketSinkHelper consumerHelper ("ns3::TcpSocketFactory",
+ InetSocketAddress (Ipv4Address::GetAny (), base_port + createdStreams));
+
+ BulkSendHelper producerHelper ("ns3::TcpSocketFactory",
+ InetSocketAddress (Ipv4Address(node1->GetId ()), base_port + createdStreams));
+ producerHelper.SetAttribute ("MaxBytes", UintegerValue (2080000)); // equal to 2000 ccnx packets
+
+ apps.Add
+ (consumerHelper.Install (node1));
+
+ apps.Add
+ (producerHelper.Install (node2));
+
+ createdStreams ++;
+ }
+
+ return apps;
+ }
+
+ 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";
+ }
+
+ 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"));
+
+ uint32_t maxRuns = 1;
+ uint32_t startRun = 0;
+ CommandLine cmd;
+ cmd.AddValue ("start", "Initial run number", startRun);
+ cmd.AddValue ("runs", "Number of runs", maxRuns);
+ cmd.Parse (argc, argv);
+
+ for (uint32_t run = startRun; run < startRun + maxRuns; run++)
+ {
+ Config::SetGlobal ("RngRun", IntegerValue (run));
+
+ Experiment experiment;
+ cout << "Run " << run << endl;
+
+ experiment.ConfigureTopology ();
+ // ApplicationContainer apps = experiment.AddCcnxRandomApplications (20);
+ ApplicationContainer apps = experiment.AddTcpRandomApplications (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.SetAppTraceFile (prefix + "trace-app.log");
+
+ // string prefix = "run-" + lexical_cast<string> (run) + "-";
+
+ // traceHelper.EnableAggregateL3All ();
+ // traceHelper.SetL3TraceFile ("trace-l3.log");
+ // traceHelper.EnableRateL3All (prefix + "rate-trace.log");
+ // traceHelper.EnableSeqsAppAll ("ns3::CcnxConsumer", prefix + "consumers-seqs.log");
+
+ experiment.Run (Seconds (200.0));
+ }
+
+ // cout << "Finish congestion-pop scenario\n";
+ return 0;
+}