| /* -*- 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/ccnx-l3-protocol.h" |
| #include "ns3/topology-reader.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 ("LinkFailureSprint"); |
| |
| void PrintTime () |
| { |
| cout << "Progress: " << Simulator::Now ().ToDouble (Time::S) << "s" << endl; |
| |
| Simulator::Schedule (Seconds (1.0), PrintTime); |
| } |
| |
| |
| class Experiment |
| { |
| public: |
| Experiment () |
| : m_reader ("/sprint") { } |
| |
| void |
| ConfigureTopology () |
| { |
| 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"); |
| |
| //RocketfuelWeightsReader reader ("/sprint"); |
| |
| m_reader.SetFileName (positions); |
| m_reader.SetFileType (RocketfuelWeightsReader::POSITIONS); |
| m_reader.Read (); |
| |
| m_reader.SetFileName (weights); |
| m_reader.SetFileType (RocketfuelWeightsReader::WEIGHTS); |
| m_reader.Read (); |
| |
| m_reader.SetFileName (latencies); |
| m_reader.SetFileType (RocketfuelWeightsReader::LATENCIES); |
| m_reader.Read (); |
| |
| m_reader.Commit (); |
| NS_ASSERT_MSG (m_reader.LinksSize () != 0, "Problems reading the topology file. Failing."); |
| |
| NS_LOG_INFO("Nodes = " << m_reader.GetNodes ().GetN()); |
| NS_LOG_INFO("Links = " << m_reader.LinksSize ()); |
| |
| // ------------------------------------------------------------ |
| // -- Read topology data. |
| // -------------------------------------------- |
| |
| InternetStackHelper stack; |
| Ipv4GlobalRoutingHelper ipv4RoutingHelper ("ns3::Ipv4GlobalRoutingOrderedNexthops"); |
| stack.SetRoutingHelper (ipv4RoutingHelper); |
| stack.Install (m_reader.GetNodes ()); |
| |
| m_reader.AssignIpv4Addresses (Ipv4Address ("10.0.0.0")); |
| |
| // Install CCNx stack |
| NS_LOG_INFO ("Installing CCNx stack"); |
| CcnxStackHelper ccnxHelper; |
| ccnxHelper.SetForwardingStrategy ("ns3::CcnxBestRouteStrategy"); |
| ccnxHelper.EnableLimits (true, Seconds(0.1)); |
| ccnxHelper.SetDefaultRoutes (false); |
| ccnxHelper.InstallAll (); |
| |
| m_rand = UniformVariable (0, m_reader.GetNodes ().GetN()); |
| //m_linkRand = UniformVariable(0, m_reader.LinksSize()); |
| } |
| |
| void |
| ConfigureRouting () |
| { |
| CcnxStackHelper ccnxHelper; |
| // // Populate FIB based on IPv4 global routing controller |
| ccnxHelper.InstallFakeGlobalRoutes (); |
| ccnxHelper.InstallRoutesToAll (); |
| } |
| |
| 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"; |
| } |
| |
| void |
| FailLinks(double threshold) |
| { |
| NS_LOG_INFO("Failing links"); |
| m_linkRand = UniformVariable(0, 1.0); |
| double probability = 0.0; |
| |
| BOOST_FOREACH (const TopologyReader::Link &link, m_reader.GetLinks()) |
| { |
| probability = m_linkRand.GetValue(); |
| NS_LOG_INFO ("Probability = " << probability); |
| |
| if(probability <= threshold) |
| { |
| Ptr<Node> fromNode = link.GetFromNode (); |
| Ptr<Node> toNode = link.GetToNode (); |
| NS_LOG_INFO("From node id = " << fromNode->GetId()); |
| NS_LOG_INFO("To node id = " << toNode->GetId()); |
| |
| Ptr<CcnxL3Protocol> fromCcnx = fromNode->GetObject<CcnxL3Protocol> (); |
| Ptr<CcnxL3Protocol> toCcnx = toNode->GetObject<CcnxL3Protocol> (); |
| |
| Ptr<NetDevice> fromDevice = link.GetFromNetDevice (); |
| Ptr<NetDevice> toDevice = link.GetToNetDevice (); |
| |
| Ptr<CcnxFace> fromFace = fromCcnx->GetFaceByNetDevice (fromDevice); |
| Ptr<CcnxFace> toFace = toCcnx->GetFaceByNetDevice (toDevice); |
| |
| NS_LOG_INFO("From face id = " << fromFace->GetId()); |
| NS_LOG_INFO("To face id = " << toFace->GetId()); |
| fromFace->SetUp (false); |
| toFace->SetUp (false); |
| |
| NS_LOG_INFO(fromFace->IsUp()); |
| NS_LOG_INFO(toFace->IsUp()); |
| } |
| |
| } |
| /* |
| uint32_t nodeId = m_rand.GetValue (); |
| Ptr<Node> node = Names::Find<Node> ("/sprint", lexical_cast<string> (nodeId)); |
| |
| Ptr<CcnxL3Protocol> ccnx = node->GetObject<CcnxL3Protocol> (); |
| UniformVariable faceRandom = UniformVariable (0, ccnx->GetNFaces ()); |
| uint32_t faceId = faceRandom.GetValue(); |
| Ptr<CcnxFace> face = ccnx->GetFace (faceId); |
| face->SetUp(false); |
| */ |
| } |
| |
| //We are creating "everybody-to-everybody" usage pattern |
| ApplicationContainer |
| AddApplications() |
| { |
| NS_LOG_INFO("Adding applications"); |
| NS_LOG_INFO("GetN = " << m_reader.GetNodes().GetN()); |
| |
| ApplicationContainer apps; |
| for(uint32_t i = 0; i<m_reader.GetNodes().GetN(); i++) |
| { |
| NS_LOG_INFO("i="<<i); |
| Ptr<Node> node1 = Names::Find<Node> ("/sprint", lexical_cast<string> (i)); |
| |
| CcnxAppHelper producerHelper ("ns3::CcnxProducer"); |
| producerHelper.SetPrefix ("/" + lexical_cast<string> (node1->GetId ())); |
| |
| apps.Add(producerHelper.Install (node1)); |
| |
| for(uint32_t j = 0; j<m_reader.GetNodes().GetN();j++) |
| { |
| NS_LOG_INFO("j="<<j); |
| if(i==j) |
| continue; |
| |
| Ptr<Node> node2 = Names::Find<Node> ("/sprint", lexical_cast<string> (j)); |
| |
| CcnxAppHelper consumerHelper ("ns3::CcnxConsumer"); |
| consumerHelper.SetPrefix ("/" + lexical_cast<string> (node1->GetId ())); |
| consumerHelper.SetAttribute ("MeanRate", StringValue ("1Kbps")); |
| consumerHelper.SetAttribute ("Size", StringValue ("2")); |
| |
| apps.Add(consumerHelper.Install (node2)); |
| } |
| } |
| |
| return apps; |
| } |
| |
| UniformVariable m_rand; |
| UniformVariable m_linkRand; |
| RocketfuelWeightsReader m_reader; |
| }; |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| cout << "Begin link failure scenario\n"; |
| |
| Config::SetDefault ("ns3::PointToPointNetDevice::DataRate", StringValue ("10Mbps")); |
| Config::SetDefault ("ns3::DropTailQueue::MaxPackets", StringValue ("100")); |
| |
| Time finishTime1 = Seconds (5.0); |
| Time finishTime2 = Seconds (20.0); |
| |
| CommandLine cmd; |
| cmd.AddValue ("finish", "Finish time", finishTime1); |
| cmd.Parse (argc, argv); |
| |
| Experiment experiment; |
| |
| for (uint32_t i = 0; i < 80; i++) |
| { |
| Config::SetGlobal ("RngRun", IntegerValue (i)); |
| cout << "seed = " << SeedManager::GetSeed () << ", run = " << SeedManager::GetRun () << endl; |
| |
| Experiment experiment; |
| cout << "Run " << i << endl; |
| |
| string prefix = "run-" + lexical_cast<string> (i) + "-"; |
| |
| //before link failure |
| experiment.ConfigureTopology (); |
| ApplicationContainer apps = experiment.AddApplications (); |
| experiment.ConfigureRouting (); |
| //tracing |
| //... |
| //experiment.Run (finishTime1); |
| |
| //after link failure |
| experiment.FailLinks(0.1); |
| |
| //tracing |
| CcnxTraceHelper traceHelper; |
| traceHelper.EnableRateL3All (prefix + "rate-trace.log"); |
| traceHelper.EnableSeqsAppAll ("ns3::CcnxConsumer", prefix + "consumers-seqs.log"); |
| //... |
| experiment.Run (finishTime2); |
| |
| /* |
| 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"); |
| |
| |
| } |
| |
| cout << "Finish link failure scenario\n"; |
| return 0; |
| } |