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Buffer.hpp

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 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef WIFIMAC_LOWERMAC_BUFFER_HPP
#define WIFIMAC_LOWERMAC_BUFFER_HPP

#include <WIFIMAC/lowerMAC/Manager.hpp>
#include <WIFIMAC/lowerMAC/ITXOPWindow.hpp>
#include <WIFIMAC/lowerMAC/RateAdaptation.hpp>
#include <WIFIMAC/management/ProtocolCalculator.hpp>

#include <WNS/ldk/buffer/Dropping.hpp>

#include <list>
#include <memory>

namespace wifimac { namespace lowerMAC {

    class Buffer :
        public wns::ldk::buffer::Buffer,
        public wns::ldk::fu::Plain<Buffer>,
        public wns::ldk::Delayed<Buffer>,
        public wifimac::lowerMAC::ITXOPWindow
    {
        typedef unsigned long int PDUCounter;

    public:

        Buffer(wns::ldk::fun::FUN* fuNet, const wns::pyconfig::View& config);

        Buffer(const Buffer& other);

        virtual
        ~Buffer();

        virtual void
        processIncoming(const wns::ldk::CompoundPtr& compound);

        virtual bool
        hasCapacity() const;

        virtual void
        processOutgoing(const wns::ldk::CompoundPtr& compound);

        virtual const wns::ldk::CompoundPtr
        hasSomethingToSend() const;

        virtual wns::ldk::CompoundPtr
        getSomethingToSend();

        virtual unsigned long int
        getSize();

        virtual unsigned long int
        getMaxSize();


        virtual wns::simulator::Time
        getNextTransmissionDuration();

        virtual wns::service::dll::UnicastAddress
        getNextReceiver() const;
    protected:
        wns::ldk::buffer::dropping::ContainerType buffer;

    private:
        void onFUNCreated();
            void checkLifetime();

        unsigned long int maxSize;
        unsigned long int currentSize;
        bool isActive;
        std::auto_ptr<wns::ldk::buffer::SizeCalculator> sizeCalculator;
        std::auto_ptr<wns::ldk::buffer::dropping::Drop> dropper;

        PDUCounter totalPDUs;
        PDUCounter droppedPDUs;

        const std::string raName;
        const std::string protocolCalculatorName;
        const std::string managerName;
        wifimac::management::ProtocolCalculator* protocolCalculator;

        struct Friends
        {
            wifimac::lowerMAC::RateAdaptation* ra;
            wifimac::lowerMAC::Manager* manager;
        } friends;

        wns::logger::Logger logger;
    };

}}


#endif // NOT defined WIFIMAC_LOWERMAC_BUFFER_HPP

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