baddf3f749
Move from template class TracedValue to namespace TracedValueCallback. Rename from [type]Callback to just [type]: TracedValue<double>::DoubleCallback -> TracedValueCallback::Double
147 lines
3.9 KiB
C++
147 lines
3.9 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2013 University of Washington
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* This is based on double-probe-example.cc.
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*
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* Author: Mitch Watrous (watrous@u.washington.edu)
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*/
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/*
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* This example is designed to show the main features of an
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* ns3::GnuplotHelper.
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*/
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#include <string>
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#include "ns3/core-module.h"
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#include "ns3/stats-module.h"
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("GnuplotHelperExample");
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//
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// This is our test object, an object that increments a counter according
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// to a Poisson process, and exports the (integer-valued) count as a
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// trace source.
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//
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class Emitter : public Object
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{
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public:
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/**
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* Register this type.
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* \return The TypeId.
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*/
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static TypeId GetTypeId (void);
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Emitter ();
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private:
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void DoInitialize (void);
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void Count (void);
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TracedValue<uint32_t> m_counter;
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Ptr<ExponentialRandomVariable> m_var;
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};
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NS_OBJECT_ENSURE_REGISTERED (Emitter);
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TypeId
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Emitter::GetTypeId (void)
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{
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static TypeId tid = TypeId ("ns3::Emitter")
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.SetParent<Object> ()
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.SetGroupName ("Stats")
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.AddConstructor<Emitter> ()
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.AddTraceSource ("Counter",
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"sample counter",
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MakeTraceSourceAccessor (&Emitter::m_counter),
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"ns3::TracedValueCallback::Double")
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;
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return tid;
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}
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Emitter::Emitter (void)
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{
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NS_LOG_FUNCTION (this);
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m_counter = 0;
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m_var = CreateObject<ExponentialRandomVariable> ();
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}
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void
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Emitter::DoInitialize (void)
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{
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NS_LOG_FUNCTION (this);
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Simulator::Schedule (Seconds (m_var->GetValue ()), &Emitter::Count, this);
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}
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void
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Emitter::Count (void)
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{
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NS_LOG_FUNCTION (this);
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NS_LOG_DEBUG ("Counting at " << Simulator::Now ().GetSeconds ());
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m_counter += 1.0;
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Simulator::Schedule (Seconds (m_var->GetValue ()), &Emitter::Count, this);
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}
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int main (int argc, char *argv[])
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{
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CommandLine cmd;
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cmd.Parse (argc, argv);
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//
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// This Emitter has a trace source object that will emit values at
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// random times.
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//
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Ptr<Emitter> emitter = CreateObject<Emitter> ();
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Names::Add ("/Names/Emitter", emitter);
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//
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// This gnuplot helper will be used to produce output used to make
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// gnuplot plots.
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//
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// Create the gnuplot helper.
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GnuplotHelper plotHelper;
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// Configure the plot. Arguments include file prefix, plot title,
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// x-label, y-label, and output file type
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plotHelper.ConfigurePlot ("gnuplot-helper-example",
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"Emitter Count vs. Time",
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"Time (Seconds)",
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"Emitter Count",
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"png");
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// Create a probe. Because the trace source we are interested in is
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// of type uint32_t, we specify the type of probe to use by the first
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// argument specifying its ns3 TypeId.
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plotHelper.PlotProbe ("ns3::Uinteger32Probe",
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"/Names/Emitter/Counter",
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"Output",
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"Emitter Count",
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GnuplotAggregator::KEY_INSIDE);
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// The Emitter object is not associated with an ns-3 node, so
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// it won't get started automatically, so we need to do this ourselves
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Simulator::Schedule (Seconds (0.0), &Emitter::Initialize, emitter);
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Simulator::Stop (Seconds (100.0));
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Simulator::Run ();
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Simulator::Destroy ();
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return 0;
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}
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