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Bounded.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
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 * Copyright (C) 2004-2007
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 * 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;
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 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef WNS_LDK_BUFFER_BOUNDED_HPP
#define WNS_LDK_BUFFER_BOUNDED_HPP

#include <WNS/ldk/buffer/Buffer.hpp>
#include <WNS/ldk/fu/Plain.hpp>

#include <WNS/pyconfig/View.hpp>

#include <list>

namespace wns { namespace ldk { namespace buffer {

    class Bounded :
        public Buffer,
        public fu::Plain<Bounded>
    {
        typedef std::list<CompoundPtr> ContainerType;
    public:

        Bounded(fun::FUN* fuNet, const wns::pyconfig::View& config);
        virtual ~Bounded();

        virtual void doSendData(const CompoundPtr& sdu);
        virtual void doOnData(const CompoundPtr& compound);

        //
        // Buffer interface
        //
        virtual unsigned long int getSize();
        virtual unsigned long int getMaxSize();

    protected:
        void tryToSend();
        bool tryToSendOnce();

    private:
        //
        // CompoundHandlerInterface
        //
        virtual bool doIsAccepting(const CompoundPtr& compound) const;
        virtual void doWakeup();

        ContainerType buffer;
        unsigned long int maxSize;
        unsigned long int currentSize;
        SizeCalculator* sizeCalculator;
        bool inWakeup;
    };

}}}


#endif // NOT defined WNS_LDK_BUFFER_BOUNDED_HPP

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