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/* -*- 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 InterestHeader> 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 InterestHeader> 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 InterestHeader> 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 InterestHeader> 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 InterestHeader> 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 InterestHeader> 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 ContentObjectHeader> 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 ContentObjectHeader> 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 ContentObjectHeader> 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