138 lines
3.5 KiB
C++
138 lines
3.5 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
|
|
/*
|
|
* Copyright (c) 2013 University of Washington
|
|
*
|
|
* 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
|
|
*
|
|
* This is based on double-probe-example.cc.
|
|
*
|
|
* Author: Mitch Watrous (watrous@u.washington.edu)
|
|
*/
|
|
|
|
/*
|
|
* This example is designed to show the main features of an
|
|
* ns3::FileHelper.
|
|
*/
|
|
|
|
#include <string>
|
|
|
|
#include "ns3/core-module.h"
|
|
#include "ns3/stats-module.h"
|
|
|
|
using namespace ns3;
|
|
|
|
NS_LOG_COMPONENT_DEFINE ("FileHelperExample");
|
|
|
|
//
|
|
// This is our test object, an object that increments a counter according
|
|
// to a Poisson process, and exports the (integer-valued) count as a
|
|
// trace source.
|
|
//
|
|
class Emitter : public Object
|
|
{
|
|
public:
|
|
static TypeId GetTypeId (void);
|
|
Emitter ();
|
|
private:
|
|
void DoInitialize (void);
|
|
void Count (void);
|
|
|
|
TracedValue<uint32_t> m_counter;
|
|
Ptr<ExponentialRandomVariable> m_var;
|
|
|
|
};
|
|
|
|
NS_OBJECT_ENSURE_REGISTERED (Emitter);
|
|
|
|
TypeId
|
|
Emitter::GetTypeId (void)
|
|
{
|
|
static TypeId tid = TypeId ("ns3::Emitter")
|
|
.AddConstructor<Emitter> ()
|
|
.SetParent<Object> ()
|
|
.AddTraceSource ("Counter",
|
|
"sample counter",
|
|
MakeTraceSourceAccessor (&Emitter::m_counter),
|
|
"ns3::TracedValue::DoubleCallback")
|
|
;
|
|
return tid;
|
|
}
|
|
|
|
Emitter::Emitter (void)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
m_counter = 0;
|
|
m_var = CreateObject<ExponentialRandomVariable> ();
|
|
}
|
|
|
|
void
|
|
Emitter::DoInitialize (void)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
Simulator::Schedule (Seconds (m_var->GetValue ()), &Emitter::Count, this);
|
|
}
|
|
|
|
void
|
|
Emitter::Count (void)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
NS_LOG_DEBUG ("Counting at " << Simulator::Now ().GetSeconds ());
|
|
m_counter += 1.0;
|
|
Simulator::Schedule (Seconds (m_var->GetValue ()), &Emitter::Count, this);
|
|
}
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
CommandLine cmd;
|
|
cmd.Parse (argc, argv);
|
|
|
|
//
|
|
// This Emitter has a trace source object that will emit values at
|
|
// random times.
|
|
//
|
|
|
|
Ptr<Emitter> emitter = CreateObject<Emitter> ();
|
|
Names::Add ("/Names/Emitter", emitter);
|
|
|
|
//
|
|
// This file helper will be used to put data values into a file.
|
|
//
|
|
|
|
// Create the file helper.
|
|
FileHelper fileHelper;
|
|
|
|
// Configure the file to be written.
|
|
fileHelper.ConfigureFile ("file-helper-example",
|
|
FileAggregator::FORMATTED);
|
|
|
|
// Set the labels for this formatted output file.
|
|
fileHelper.Set2dFormat ("Time (Seconds) = %.3f\tCount = %.0f");
|
|
|
|
// Write the values generated by the probe. The path that we
|
|
// provide helps to disambiguate the source of the trace.
|
|
fileHelper.WriteProbe ("ns3::Uinteger32Probe",
|
|
"/Names/Emitter/Counter",
|
|
"Output");
|
|
|
|
// The Emitter object is not associated with an ns-3 node, so
|
|
// it won't get started automatically, so we need to do this ourselves
|
|
Simulator::Schedule (Seconds (0.0), &Emitter::Initialize, emitter);
|
|
|
|
Simulator::Stop (Seconds (100.0));
|
|
Simulator::Run ();
|
|
Simulator::Destroy ();
|
|
|
|
return 0;
|
|
}
|