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BaseState.hpp

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/******************************************************************************
 * WNS (Wireless Network Simulator)                                           *
 * __________________________________________________________________________ *
 *                                                                            *
 * Copyright (C) 2004-2006                                                    *
 * Chair of Communication Networks (ComNets)                                  *
 * Kopernikusstr. 16, D-52074 Aachen, Germany                                 *
 * phone: ++49-241-80-27910 (phone), fax: ++49-241-80-22242                   *
 * email: wns@comnets.rwth-aachen.de                                          *
 * www: http://wns.comnets.rwth-aachen.de                                     *
 ******************************************************************************/

#ifndef GLUE_ARQFSM_SELECTIVEREPEAT_BASESTATE_HPP
#define GLUE_ARQFSM_SELECTIVEREPEAT_BASESTATE_HPP

#include <GLUE/arqfsm/selectiverepeat/FSMFU.hpp>
#include <GLUE/arqfsm/ARQBaseState.hpp>

#include <WNS/ldk/Compound.hpp>

namespace glue { namespace arqfsm { namespace selectiverepeat {

    class BaseState :
        public ARQBaseState<FSMFU, SelectiveRepeatCommand>
    {
    public:
        BaseState(FSMFU::BaseFSM* t, const std::string& stateName) :
            ARQBaseState<FSMFU, SelectiveRepeatCommand>(t, stateName)
        {} // BaseState

        virtual
        ~BaseState()
        {} // ~BaseState

        virtual void
        onInitState()
        {} // onInitState

        virtual void
        onExitState()
        {} // onExitState

        virtual StateInterface*
        onTimeout(const wns::ldk::CompoundPtr& compound) = 0;

        virtual void
        deliverCompounds();

    protected:
        virtual void
        tryToSendACKs();

        virtual void
        tryToSendIs();

    private:
        virtual StateInterface*
        onI(const wns::ldk::CompoundPtr& compound, int sequenceNumber);

        bool
        pendingACK(int sequenceNumber);
    };

} // selectiverepeat
} // arqfsm
} // glue

#endif // GLUE_ARQFSM_SELECTIVEREPEAT_BASESTATE_HPP

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