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Service.hpp

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 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef TCP_SERVICE_HPP
#define TCP_SERVICE_HPP

#include <set>

#include <TCP/HandshakeStrategyHandlerInterface.hpp>
#include <TCP/FlowHandler.hpp>

#include <WNS/container/Registry.hpp>
#include <WNS/service/tl/Service.hpp>
#include <WNS/service/tl/PortPool.hpp>
#include <WNS/service/nl/Service.hpp>
#include <WNS/service/tl/FlowID.hpp>
#include <WNS/service/dll/FlowEstablishmentAndRelease.hpp>
#include <WNS/service/dll/FlowID.hpp>
#include <WNS/service/qos/QoSClasses.hpp>
#include <WNS/ldk/Group.hpp>
#include <WNS/ldk/FlowSeparator.hpp>


namespace tcp {

    class Connection;
    class UpperConvergence;
    class LowerConvergence;
    class HandshakeStrategyInterface;
    class FlowHandler;

    class Service:
        virtual public wns::service::tl::Service,
        virtual public HandshakeStrategyHandlerInterface,
        public wns::ldk::ControlService,
        virtual public wns::ldk::flowseparator::FlowInfoProvider
    {
    public:
        Service(UpperConvergence* _upperConvergence,
            LowerConvergence* _lowerConvergence,
            wns::ldk::FlowSeparator* _flowSeparator,
            const wns::pyconfig::View& _pyco,
            tcp::FlowHandler* _tcpFlowHandler,
            wns::service::dll::FlowEstablishmentAndRelease* _fear,
            wns::ldk::ControlServiceRegistry* _csr);

        virtual
        ~Service();

        virtual void
        listenOnPort(
            wns::service::tl::Port _port,
            wns::service::tl::ConnectionHandler* _ch);

        virtual void
        openConnection(
            wns::service::tl::Port _port,
            wns::service::nl::FQDN _source,
            wns::service::nl::FQDN _peerAddress,
            wns::service::qos::QoSClass _qosClass,
            wns::service::tl::ConnectionHandler* _ch);

        virtual void
        openConnectionContinue(
            wns::service::tl::FlowID flowID, wns::service::dll::FlowID dllFlowID = 0);

        void
        dllFlowChanged(wns::service::tl::FlowID flowID, wns::service::dll::FlowID dllFlowID);

        virtual void
        closeConnection(wns::service::tl::Connection* _connection);

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

        void
        stopListenOnPort(wns::service::tl::Port _port);

        void
        setDataTransmissionService(wns::service::nl::Service* service);

        void
        setDNSService(wns::service::nl::DNSService* service);

        void
        setTcpFlowHandlerService(tcp::FlowHandler* service);

        bool
        isListening(wns::service::tl::Port _port);

        wns::service::nl::Service*
        getIPService();

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

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

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

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

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

        HandshakeStrategyInterface*
        getHandshakeStrategyFU(const wns::service::tl::FlowID& _flowID);

        Connection*
        getConnection(const wns::service::tl::FlowID& _flowID);

        virtual bool
        isValidFlow(const wns::ldk::ConstKeyPtr& _key) const;

    private:
        class RemoveFlowSeparatorInstance
        {
        public:
            RemoveFlowSeparatorInstance(Service* _tlService, const wns::service::tl::FlowID& _flowID)
            {
                assure(_tlService, "No valid instance of TL service!");
                tlService = _tlService;
                flowID = _flowID;
            }

            void
            operator()()
            {
                tlService->deleteFlowSeparatorInstance(flowID);
            }

        private:
            Service* tlService;

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

        simTimeType removeDelay;

        wns::service::nl::Service* ipService;

        wns::service::nl::DNSService* dns;

        tcp::FlowHandler* tcpFlowHandler;

        wns::container::Registry<
            wns::service::tl::FlowID,
            Connection*,
            wns::container::registry::NoneOnErase> flowIDToConnections;

        wns::container::Registry<
            wns::service::tl::FlowID,
            wns::service::tl::ConnectionHandler*,
            wns::container::registry::NoneOnErase> flowIDToConnectionHandler;

        wns::container::Registry<wns::service::tl::Port, wns::service::tl::ConnectionHandler*> listeners;

        wns::service::tl::PortPool portPool;

        wns::logger::Logger logger;

        wns::pyconfig::View pyco;

        UpperConvergence* upperConvergence;

        LowerConvergence* lowerConvergence;

        wns::ldk::FlowSeparator* flowSeparator;
        wns::service::dll::FlowEstablishmentAndRelease* flowEstablishmentAndRelease;
    };
} // namespace tcp

#endif // NOT defined TCP_SERVICE_HPP

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