130 lines
3.1 KiB
C++
130 lines
3.1 KiB
C++
/*
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* Copyright (c) 2010 INRIA
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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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* Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "ns3/command-line.h"
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#include "ns3/double.h"
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#include "ns3/nstime.h"
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#include "ns3/random-variable-stream.h"
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#include "ns3/simulator.h"
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#include <iostream>
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/**
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* \file
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* \ingroup core-examples
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* \ingroup simulator
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* Example program demonstrating use of various Schedule functions.
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*/
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using namespace ns3;
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namespace
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{
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/** Simple model object to illustrate event handling. */
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class MyModel
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{
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public:
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/** Start model execution by scheduling a HandleEvent. */
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void Start();
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private:
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/**
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* Simple event handler.
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*
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* \param [in] eventValue Event argument.
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*/
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void HandleEvent(double eventValue);
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};
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void
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MyModel::Start()
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{
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Simulator::Schedule(Seconds(10.0), &MyModel::HandleEvent, this, Simulator::Now().GetSeconds());
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}
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void
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MyModel::HandleEvent(double value)
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{
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std::cout << "Member method received event at " << Simulator::Now().GetSeconds()
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<< "s started at " << value << "s" << std::endl;
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}
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/**
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* Simple function event handler which Starts a MyModel object.
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*
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* \param [in] model The MyModel object to start.
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*/
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void
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ExampleFunction(MyModel* model)
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{
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std::cout << "ExampleFunction received event at " << Simulator::Now().GetSeconds() << "s"
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<< std::endl;
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model->Start();
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}
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/**
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* Simple function event handler; this function is called randomly.
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*/
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void
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RandomFunction()
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{
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std::cout << "RandomFunction received event at " << Simulator::Now().GetSeconds() << "s"
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<< std::endl;
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}
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/** Simple function event handler; the corresponding event is cancelled. */
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void
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CancelledEvent()
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{
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std::cout << "I should never be called... " << std::endl;
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}
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} // unnamed namespace
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int
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main(int argc, char* argv[])
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{
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CommandLine cmd(__FILE__);
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cmd.Parse(argc, argv);
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MyModel model;
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Ptr<UniformRandomVariable> v = CreateObject<UniformRandomVariable>();
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v->SetAttribute("Min", DoubleValue(10));
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v->SetAttribute("Max", DoubleValue(20));
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Simulator::Schedule(Seconds(10.0), &ExampleFunction, &model);
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Simulator::Schedule(Seconds(v->GetValue()), &RandomFunction);
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EventId id = Simulator::Schedule(Seconds(30.0), &CancelledEvent);
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Simulator::Cancel(id);
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Simulator::Schedule(Seconds(25.0), []() {
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std::cout << "Code within a lambda expression at time " << Simulator::Now().As(Time::S)
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<< std::endl;
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});
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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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