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ThreeWayHandshake.hpp

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

#include <TCP/HandshakeStrategyInterface.hpp>
#include <TCP/TCPHeader.hpp>

#include <WNS/logger/Logger.hpp>

#include <WNS/service/nl/Service.hpp>

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


namespace tcp {

    class Service;
    class UpperCommand;
    class FiniteStateMachine;
    class HandshakeStrategyHandlerInterface;

    class ThreeWayHandshake :
        public virtual HandshakeStrategyInterface,
        public virtual wns::ldk::FunctionalUnit,
        public wns::ldk::CommandTypeSpecifier<>,
        public wns::ldk::HasReceptor<>,
        public wns::ldk::HasConnector<>,
        public wns::ldk::HasDeliverer<>,
        public wns::Cloneable<ThreeWayHandshake>
    {
    public:
        ThreeWayHandshake(wns::ldk::fun::FUN* _fun, const wns::pyconfig::View& _pyco);

        virtual
        ~ThreeWayHandshake();


        virtual bool
        doIsAccepting(const wns::ldk::CompoundPtr& _compound) const;

        virtual void
        onFUNCreated();

        virtual void
        doOnData(const wns::ldk::CompoundPtr& _compound);

        virtual void
        doSendData(const wns::ldk::CompoundPtr& _compound);

        virtual void
        activeOpen(const wns::service::tl::FlowID& _flowID);

        virtual void
        passiveOpen(const wns::service::tl::FlowID& _flowID);

        virtual void
        closeConnection(const wns::service::tl::FlowID& _flowID);

        virtual void
        registerStrategyHandler(HandshakeStrategyHandlerInterface* _strategyHandler);

        void
        tcpFlagsToUpperCommand(wns::ldk::CompoundPtr& _compound);

    private:
        bool
        doIsAccepting(const wns::ldk::CompoundPtr& _compound);

        void
        doWakeup();

        wns::logger::Logger logger;

        HandshakeStrategyHandlerInterface* strategyHandler;

        wns::service::tl::FlowID flowID;

        wns::pyconfig::View pyco;

        FiniteStateMachine* fsm;

        TCPHeader* tcpHeaderFU;

        wns::ldk::CommandReaderInterface* tcpHeaderReader;
    };
} // namespace tcp

#endif // NOT defined TCP_THREEWAYHANDSHAKE_HPP

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