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Generator.hpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 16, D-52074 Aachen, Germany
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 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
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#ifndef CONSTANZE_GENERATOR_HPP
#define CONSTANZE_GENERATOR_HPP

#include <WNS/events/CanTimeout.hpp>
#include <WNS/pyconfig/View.hpp>
#include <WNS/StaticFactory.hpp>
#include <WNS/logger/Logger.hpp>
#include <WNS/distribution/Distribution.hpp>
#include <WNS/osi/PDU.hpp>

namespace constanze
{
    class Binding;
    class StartTrigger;
    class StopTrigger;

    class GeneratorBase
    {
    public:
        typedef wns::PyConfigViewCreator<GeneratorBase, GeneratorBase> Creator;
        typedef wns::StaticFactory<Creator> Factory;

        explicit GeneratorBase(const wns::pyconfig::View& _pyco);
        virtual ~GeneratorBase();

        void registerBinding(constanze::Binding* _bind);

        void bindingReady();

        void bindingReleased();

        virtual void start() = 0; // to be overloaded by derived classes
        virtual void stop() = 0; // to be overloaded by derived classes

        virtual void sendData(const wns::osi::PDUPtr& pdu);

        virtual void countPackets(const int packetSizeBits);

        virtual unsigned long int countedPackets() const {return packetCounter;}
        virtual unsigned long int countedBits() const {return bitCounter;}

    protected:

        wns::pyconfig::View pyco;

        wns::logger::Logger log;

        constanze::Binding* binding;

    private:
        constanze::StartTrigger* startTrigger;
        constanze::StopTrigger* stopTrigger;

        unsigned long int packetCounter;
        unsigned long int bitCounter;
    };


    class StartTrigger:
        protected wns::events::CanTimeout
    {
    public:
        StartTrigger(
            constanze::Binding* _binding,
            constanze::GeneratorBase* _generator,
            double _startTime);

        virtual ~StartTrigger()
        {}

        void bindingReady();

    protected:
        virtual void onTimeout();

        constanze::Binding* binding;

        constanze::GeneratorBase* generator;

    }; // StartTrigger

    class StopTrigger:
        protected wns::events::CanTimeout
    {
    public:
        StopTrigger(
            constanze::Binding* _binding,
            constanze::GeneratorBase* _generator,
            double _stopTime);

        virtual ~StopTrigger()
        {}

        void bindingReady();

    protected:
        virtual void onTimeout();

        constanze::Binding* binding;

        constanze::GeneratorBase* generator;
    }; // StopTrigger
} // constanze

#endif // NOT defined CONSTANZE_GENERATOR_HPP

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