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Producer.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
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 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef WNS_LDK_TOOLS_PRODUCER_HPP
#define WNS_LDK_TOOLS_PRODUCER_HPP

#include <WNS/ldk/fun/FUN.hpp>

#include <WNS/ldk/CommandTypeSpecifier.hpp>
#include <WNS/ldk/HasReceptor.hpp>
#include <WNS/ldk/HasConnector.hpp>
#include <WNS/ldk/HasDeliverer.hpp>

#include <WNS/pyconfig/View.hpp>

#include <list>

namespace wns { namespace ldk { namespace tools {

    class Producer :
        public virtual FunctionalUnit,
        public CommandTypeSpecifier<>,
        public HasReceptor<>,
        public HasConnector<>,
        public HasDeliverer<>,
        public Cloneable<Producer>
    {
    public:
        typedef std::list<CompoundPtr> ContainerType;

        Producer(fun::FUN* fuNet) :
                CommandTypeSpecifier<>(fuNet),
                HasReceptor<>(),
                HasConnector<>(),
                HasDeliverer<>(),
                Cloneable<Producer>(),

                sent(),
                buffer()
            {
                allocate();
            }

        ~Producer()
            {
            }

        virtual void
        doSendData(const CompoundPtr& /* compound */)
        {
            assure(false, "sendData of Producer called");
        } // doSendData


        virtual void
        doOnData(const CompoundPtr& compound)
        {
            getDeliverer()->getAcceptor(compound)->onData(compound);
            wakeup();
        } // doOnData

        unsigned long int sent;

    private:
        //
        // compound handler interface
        //
        virtual bool
        doIsAccepting(const CompoundPtr& /* compound */) const
        {
            return false;
        } // isAccepting

        virtual void
        doWakeup()
        {
            while(getConnector()->hasAcceptor(buffer)) {
                CompoundPtr it = buffer;
                allocate();
                getConnector()->getAcceptor(it)->sendData(it);
                ++sent;
            }
        } // wakeup

        void allocate()
        {
            buffer = getFUN()->createCompound();
        } // allocate

        CompoundPtr buffer;
    };

}}}


#endif // NOT defined WNS_LDK_TOOLS_PRODUCER_HPP

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