link failure and blackhole scenarios seem to work
diff --git a/examples/link-failure-sprint.cc b/examples/link-failure-sprint.cc
index dfbbf04..421f134 100644
--- a/examples/link-failure-sprint.cc
+++ b/examples/link-failure-sprint.cc
@@ -26,6 +26,8 @@
#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>
@@ -54,35 +56,37 @@
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");
- string strategy ("ns3::CcnxBestRouteStrategy");
- // string strategy ("ns3::CcnxFloodingStrategy");
- RocketfuelWeightsReader reader ("/sprint");
- m_reader = reader;
-
- reader.SetFileName (positions);
- reader.SetFileType (RocketfuelWeightsReader::POSITIONS);
- reader.Read ();
-
- reader.SetFileName (weights);
- reader.SetFileType (RocketfuelWeightsReader::WEIGHTS);
- reader.Read ();
+ //RocketfuelWeightsReader reader ("/sprint");
- reader.SetFileName (latencies);
- reader.SetFileType (RocketfuelWeightsReader::LATENCIES);
- reader.Read ();
+ 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 ();
- reader.Commit ();
- NS_ASSERT_MSG (reader.LinksSize () != 0, "Problems reading the topology file. Failing.");
+ m_reader.Commit ();
+ NS_ASSERT_MSG (m_reader.LinksSize () != 0, "Problems reading the topology file. Failing.");
- NS_LOG_INFO("Nodes = " << reader.GetNodes ().GetN());
- NS_LOG_INFO("Links = " << reader.LinksSize ());
+ NS_LOG_INFO("Nodes = " << m_reader.GetNodes ().GetN());
+ NS_LOG_INFO("Links = " << m_reader.LinksSize ());
// ------------------------------------------------------------
// -- Read topology data.
@@ -91,23 +95,29 @@
InternetStackHelper stack;
Ipv4GlobalRoutingHelper ipv4RoutingHelper ("ns3::Ipv4GlobalRoutingOrderedNexthops");
stack.SetRoutingHelper (ipv4RoutingHelper);
- stack.Install (reader.GetNodes ());
+ stack.Install (m_reader.GetNodes ());
- reader.AssignIpv4Addresses (Ipv4Address ("10.0.0.0"));
-
+ m_reader.AssignIpv4Addresses (Ipv4Address ("10.0.0.0"));
+
// Install CCNx stack
NS_LOG_INFO ("Installing CCNx stack");
CcnxStackHelper ccnxHelper;
- ccnxHelper.SetForwardingStrategy (strategy);
+ 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 ();
-
- m_rand = UniformVariable (0, reader.GetNodes ().GetN());
}
public:
@@ -122,131 +132,164 @@
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(int i =0; i<reader.GetNodes().GetN(); i++;)
+ for(uint32_t i = 0; i<m_reader.GetNodes().GetN(); i++)
{
- Ptr<Node> node1 = Names::Find<Node> ("/sprint", lexical_cast<string> (node1_num));
+ 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> (i));
+ producerHelper.SetPrefix ("/" + lexical_cast<string> (node1->GetId ()));
apps.Add(producerHelper.Install (node1));
-
- for(int j = 0; j<reader.GetNodes().GetN();j++)
+
+ 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> (node2_num));
-
+ Ptr<Node> node2 = Names::Find<Node> ("/sprint", lexical_cast<string> (j));
+
CcnxAppHelper consumerHelper ("ns3::CcnxConsumer");
- consumerHelper.SetPrefix ("/" + lexical_cast<string> (i));
- consumerHelper.SetAttribute ("MeanRate", StringValue ("2Mbps"));
+ consumerHelper.SetPrefix ("/" + lexical_cast<string> (node1->GetId ()));
+ consumerHelper.SetAttribute ("MeanRate", StringValue ("1Kbps"));
consumerHelper.SetAttribute ("Size", StringValue ("2"));
apps.Add(consumerHelper.Install (node2));
}
}
- return apps;
- }
-
- 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;
-
-private:
+ UniformVariable m_linkRand;
RocketfuelWeightsReader m_reader;
};
int
main (int argc, char *argv[])
{
- cout << "Begin congestion-pop scenario\n";
+ cout << "Begin link failure scenario\n";
- Config::SetDefault ("ns3::PointToPointNetDevice::DataRate", StringValue ("1Mbps"));
- Config::SetDefault ("ns3::DropTailQueue::MaxPackets", StringValue ("20"));
+ Config::SetDefault ("ns3::PointToPointNetDevice::DataRate", StringValue ("10Mbps"));
+ Config::SetDefault ("ns3::DropTailQueue::MaxPackets", StringValue ("100"));
- Time finishTime = Seconds (20.0);
+ Time finishTime1 = Seconds (5.0);
+ Time finishTime2 = Seconds (20.0);
CommandLine cmd;
- cmd.AddValue ("finish", "Finish time", finishTime);
+ cmd.AddValue ("finish", "Finish time", finishTime1);
cmd.Parse (argc, argv);
Experiment experiment;
- for (uint32_t i = 0; i < 100; i++)
+ 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;
+ //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");
+ //traceHelper.EnableSeqsAppAll ("ns3::CcnxConsumer", "consumers-seqs.log");
- experiment.Run (finishTime);
+
}
- cout << "Finish congestion-pop scenario\n";
+ cout << "Finish link failure scenario\n";
return 0;
}