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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:
Experiment ()
: m_rand (0,52)
, reader (0)
{ }
~Experiment ()
{
if (reader != 0) delete reader;
}
void
ConfigureTopology ()
{
Names::Clear ();
cout << "Configure Topology\n";
if (reader != 0) delete reader;
reader = new RocketfuelWeightsReader ("/sprint");
string weights ("./src/NDNabstraction/examples/sprint-pops.weights");
string latencies ("./src/NDNabstraction/examples/sprint-pops.latencies");
string positions ("./src/NDNabstraction/examples/sprint-pops.positions");
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 ();
}
void InstallCcnxStack ()
{
InternetStackHelper stack;
Ipv4GlobalRoutingHelper ipv4RoutingHelper ("ns3::Ipv4GlobalRoutingOrderedNexthops");
stack.SetRoutingHelper (ipv4RoutingHelper);
stack.Install (reader->GetNodes ());
reader->AssignIpv4Addresses (Ipv4Address ("10.0.0.0"));
// Install CCNx stack
cout << "Installing CCNx stack\n";
CcnxStackHelper ccnxHelper;
ccnxHelper.SetForwardingStrategy ("ns3::CcnxBestRouteStrategy");
ccnxHelper.EnableLimits (true, Seconds(0.1));
ccnxHelper.SetDefaultRoutes (false);
ccnxHelper.InstallAll ();
// // Populate FIB based on IPv4 global routing controller
ccnxHelper.InstallFakeGlobalRoutes ();
ccnxHelper.InstallRoutesToAll ();
}
void InstallIpStack ()
{
InternetStackHelper stack;
stack.Install (reader->GetNodes ());
reader->AssignIpv4Addresses (Ipv4Address ("10.0.0.0"));
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
}
void
GenerateRandomPairs (uint16_t numStreams)
{
m_pairs.clear ();
// map<uint32_t, set<uint32_t> > streams;
set<uint32_t> usedNodes;
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 (usedNodes.count (node1_num) > 0 ||
usedNodes.count (node2_num) > 0 )
{
continue; // don't reuse nodes
}
usedNodes.insert (node1_num);
usedNodes.insert (node2_num);
m_pairs.push_back (make_tuple (node1_num, node2_num));
createdStreams ++;
}
}
ApplicationContainer
AddCcnxApplications ()
{
ApplicationContainer apps;
for (list<tuple<uint32_t,uint32_t> >::iterator i = m_pairs.begin (); i != m_pairs.end (); i++)
{
uint32_t node1_num = i->get<0> ();
uint32_t node2_num = i->get<1> ();
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::CcnxConsumerWindow");
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));
}
return apps;
}
ApplicationContainer
AddTcpApplications ()
{
ApplicationContainer apps;
uint32_t streamId = 0;
const static uint32_t base_port = 10;
for (list<tuple<uint32_t,uint32_t> >::iterator i = m_pairs.begin (); i != m_pairs.end (); i++)
{
uint32_t node1_num = i->get<0> ();
uint32_t node2_num = i->get<1> ();
Ptr<Node> node1 = Names::Find<Node> ("/sprint", lexical_cast<string> (node2_num));
Ptr<Node> node2 = Names::Find<Node> ("/sprint", lexical_cast<string> (node1_num));
Ptr<Ipv4> ipv4 = node1->GetObject<Ipv4> ();
// ipv4->GetAddress (0, 0);
// 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 + streamId));
BulkSendHelper producerHelper ("ns3::TcpSocketFactory",
InetSocketAddress (ipv4->GetAddress (1, 0).GetLocal (), base_port + streamId));
// cout << "SendTo: " << ipv4->GetAddress (1, 0).GetLocal () << endl;
producerHelper.SetAttribute ("MaxBytes", UintegerValue (2081040)); // equal to 2001 ccnx packets
apps.Add
(consumerHelper.Install (node1));
apps.Add
(producerHelper.Install (node2));
streamId++;
}
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;
RocketfuelWeightsReader *reader;
list<tuple<uint32_t,uint32_t> > m_pairs;
};
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 ("60"));
Config::SetDefault ("ns3::TcpSocket::SegmentSize", StringValue ("1040"));
Config::SetDefault ("ns3::BulkSendApplication::SendSize", StringValue ("1040"));
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));
cout << "seed = " << SeedManager::GetSeed () << ", run = " << SeedManager::GetRun () << endl;
Experiment experiment;
cout << "Run " << run << endl;
string prefix = "run-" + lexical_cast<string> (run) + "-";
experiment.GenerateRandomPairs (20);
ofstream of_nodes ((prefix + "apps.log").c_str ());
for (list<tuple<uint32_t,uint32_t> >::iterator i = experiment.m_pairs.begin (); i != experiment.m_pairs.end (); i++)
{
of_nodes << "From " << i->get<0> ()
<< " to " << i->get<1> ();
of_nodes << "\n";
}
of_nodes.close ();
cout << "NDN experiment\n";
// NDN
{
experiment.ConfigureTopology ();
experiment.InstallCcnxStack ();
ApplicationContainer apps = experiment.AddCcnxApplications ();
for (uint32_t i = 0; i < apps.GetN () / 2; i++)
{
apps.Get (i*2)->SetStartTime (Seconds (i));
apps.Get (i*2 + 1)->SetStartTime (Seconds (i));
}
CcnxTraceHelper traceHelper;
// traceHelper.EnableRateL3All (prefix + "rate-trace.log");
// traceHelper.EnableSeqsAppAll ("ns3::CcnxConsumerCbr", prefix + "consumers-seqs.log");
traceHelper.EnableSeqsAppAll ("ns3::CcnxConsumerWindow", prefix + "consumers-seqs.log");
experiment.Run (Seconds (200.0));
}
cout << "TCP experiment\n";
// TCP
{
experiment.ConfigureTopology ();
experiment.InstallIpStack ();
ApplicationContainer apps = experiment.AddTcpApplications ();
for (uint32_t i = 0; i < apps.GetN () / 2; i++)
{
apps.Get (i*2)->SetStartTime (Seconds (i));
apps.Get (i*2 + 1)->SetStartTime (Seconds (i));
}
CcnxTraceHelper traceHelper;
traceHelper.EnableIpv4SeqsAppAll (prefix + "tcp-consumers-seqs.log");
experiment.Run (Seconds (200.0));
}
}
// cout << "Finish congestion-pop scenario\n";
return 0;
}