| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| /* |
| * Copyright (c) 2011 UCLA |
| * |
| * 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: Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| */ |
| |
| #include "ndn-l3-rate-tracer.h" |
| #include "ns3/node.h" |
| #include "ns3/packet.h" |
| #include "ns3/config.h" |
| #include "ns3/callback.h" |
| #include "ns3/simulator.h" |
| #include "ns3/log.h" |
| #include "ns3/node-list.h" |
| |
| #include "ns3/ndn-app.h" |
| #include "ns3/ndn-face.h" |
| #include "ns3/ndn-interest.h" |
| #include "ns3/ndn-content-object.h" |
| |
| #include <fstream> |
| #include <boost/lexical_cast.hpp> |
| |
| using namespace boost; |
| using namespace std; |
| |
| NS_LOG_COMPONENT_DEFINE ("ndn.L3RateTracer"); |
| |
| namespace ns3 { |
| namespace ndn { |
| |
| |
| boost::tuple< boost::shared_ptr<std::ostream>, std::list<Ptr<L3RateTracer> > > |
| L3RateTracer::InstallAll (const std::string &file, Time averagingPeriod/* = Seconds (0.5)*/) |
| { |
| std::list<Ptr<L3RateTracer> > tracers; |
| boost::shared_ptr<std::ofstream> outputStream (new std::ofstream ()); |
| outputStream->open (file.c_str (), std::ios_base::out | std::ios_base::trunc); |
| |
| if (!outputStream->is_open ()) |
| return boost::make_tuple (outputStream, tracers); |
| |
| for (NodeList::Iterator node = NodeList::Begin (); |
| node != NodeList::End (); |
| node++) |
| { |
| NS_LOG_DEBUG ("Node: " << lexical_cast<string> ((*node)->GetId ())); |
| |
| Ptr<L3RateTracer> trace = Create<L3RateTracer> (outputStream, *node); |
| trace->SetAveragingPeriod (averagingPeriod); |
| tracers.push_back (trace); |
| } |
| |
| if (tracers.size () > 0) |
| { |
| // *m_l3RateTrace << "# "; // not necessary for R's read.table |
| tracers.front ()->PrintHeader (*outputStream); |
| *outputStream << "\n"; |
| } |
| |
| return boost::make_tuple (outputStream, tracers); |
| } |
| |
| |
| L3RateTracer::L3RateTracer (boost::shared_ptr<std::ostream> os, Ptr<Node> node) |
| : L3Tracer (node) |
| , m_os (os) |
| { |
| SetAveragingPeriod (Seconds (1.0)); |
| } |
| |
| L3RateTracer::L3RateTracer (boost::shared_ptr<std::ostream> os, const std::string &node) |
| : L3Tracer (node) |
| , m_os (os) |
| { |
| SetAveragingPeriod (Seconds (1.0)); |
| } |
| |
| L3RateTracer::~L3RateTracer () |
| { |
| m_printEvent.Cancel (); |
| } |
| |
| void |
| L3RateTracer::SetAveragingPeriod (const Time &period) |
| { |
| m_period = period; |
| m_printEvent.Cancel (); |
| m_printEvent = Simulator::Schedule (m_period, &L3RateTracer::PeriodicPrinter, this); |
| } |
| |
| void |
| L3RateTracer::PeriodicPrinter () |
| { |
| Print (*m_os); |
| Reset (); |
| |
| m_printEvent = Simulator::Schedule (m_period, &L3RateTracer::PeriodicPrinter, this); |
| } |
| |
| void |
| L3RateTracer::PrintHeader (std::ostream &os) const |
| { |
| os << "Time" << "\t" |
| |
| << "Node" << "\t" |
| << "FaceId" << "\t" |
| << "FaceDescr" << "\t" |
| |
| << "Type" << "\t" |
| << "Packets" << "\t" |
| << "Kilobytes" << "\t" |
| << "PacketRaw" << "\t" |
| << "KilobytesRaw"; |
| } |
| |
| void |
| L3RateTracer::Reset () |
| { |
| for (std::map<Ptr<const Face>, boost::tuple<Stats, Stats, Stats, Stats> >::iterator stats = m_stats.begin (); |
| stats != m_stats.end (); |
| stats++) |
| { |
| stats->second.get<0> ().Reset (); |
| stats->second.get<1> ().Reset (); |
| } |
| } |
| |
| const double alpha = 0.8; |
| |
| #define STATS(INDEX) stats->second.get<INDEX> () |
| #define RATE(INDEX, fieldName) STATS(INDEX).fieldName / m_period.ToDouble (Time::S) |
| |
| #define PRINTER(printName, fieldName) \ |
| STATS(2).fieldName = /*new value*/alpha * RATE(0, fieldName) + /*old value*/(1-alpha) * STATS(2).fieldName; \ |
| STATS(3).fieldName = /*new value*/alpha * RATE(1, fieldName) / 1024.0 + /*old value*/(1-alpha) * STATS(3).fieldName; \ |
| \ |
| os << time.ToDouble (Time::S) << "\t" \ |
| << m_node << "\t" \ |
| << stats->first->GetId () << "\t" \ |
| << *stats->first << "\t" \ |
| << printName << "\t" \ |
| << STATS(2).fieldName << "\t" \ |
| << STATS(3).fieldName << "\t" \ |
| << STATS(0).fieldName << "\t" \ |
| << STATS(1).fieldName / 1024.0 << "\n"; |
| |
| void |
| L3RateTracer::Print (std::ostream &os) const |
| { |
| for (std::map<Ptr<const Face>, boost::tuple<Stats, Stats, Stats, Stats> >::iterator stats = m_stats.begin (); |
| stats != m_stats.end (); |
| stats++) |
| { |
| Time time = Simulator::Now (); |
| |
| PRINTER ("InInterests", m_inInterests); |
| PRINTER ("OutInterests", m_outInterests); |
| // PRINTER ("DropInterests", m_dropInterests); |
| |
| PRINTER ("InNacks", m_inNacks); |
| PRINTER ("OutNacks", m_outNacks); |
| // PRINTER ("DropNacks", m_dropNacks); |
| |
| PRINTER ("InData", m_inData); |
| PRINTER ("OutData", m_outData); |
| // PRINTER ("DropData", m_dropData); |
| } |
| } |
| |
| |
| void |
| L3RateTracer::OutInterests (std::string context, |
| Ptr<const Interest> header, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_outInterests ++; |
| m_stats[face].get<1> ().m_outInterests += header->GetSerializedSize (); |
| } |
| |
| void |
| L3RateTracer::InInterests (std::string context, |
| Ptr<const Interest> header, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_inInterests ++; |
| m_stats[face].get<1> ().m_inInterests += header->GetSerializedSize (); |
| } |
| |
| void |
| L3RateTracer::DropInterests (std::string context, |
| Ptr<const Interest> header, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_dropInterests ++; |
| m_stats[face].get<1> ().m_dropInterests += header->GetSerializedSize (); |
| } |
| |
| void |
| L3RateTracer::OutNacks (std::string context, |
| Ptr<const Interest> header, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_outNacks ++; |
| m_stats[face].get<1> ().m_outNacks += header->GetSerializedSize (); |
| } |
| |
| void |
| L3RateTracer::InNacks (std::string context, |
| Ptr<const Interest> header, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_inNacks ++; |
| m_stats[face].get<1> ().m_inNacks += header->GetSerializedSize (); |
| } |
| |
| void |
| L3RateTracer::DropNacks (std::string context, |
| Ptr<const Interest> header, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_dropNacks ++; |
| m_stats[face].get<1> ().m_dropNacks += header->GetSerializedSize (); |
| } |
| |
| void |
| L3RateTracer::OutData (std::string context, |
| Ptr<const ContentObject> header, Ptr<const Packet> payload, |
| bool fromCache, Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_outData ++; |
| m_stats[face].get<1> ().m_outData += header->GetSerializedSize () + payload->GetSize (); |
| } |
| |
| void |
| L3RateTracer::InData (std::string context, |
| Ptr<const ContentObject> header, Ptr<const Packet> payload, |
| Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_inData ++; |
| m_stats[face].get<1> ().m_inData += header->GetSerializedSize () + payload->GetSize (); |
| } |
| |
| void |
| L3RateTracer::DropData (std::string context, |
| Ptr<const ContentObject> header, Ptr<const Packet> payload, |
| Ptr<const Face> face) |
| { |
| m_stats[face].get<0> ().m_dropData ++; |
| m_stats[face].get<1> ().m_dropData += header->GetSerializedSize () + payload->GetSize (); |
| } |
| |
| } // namespace ndn |
| } // namespace ns3 |