source: source/ariba/overlay/modules/onehop/OneHop.h@ 4181

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// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)

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// [License]



#ifndef _ONE_HOP_H

#define _ONE_HOP_H



#include <map>

#include "ariba/overlay/modules/OverlayInterface.h"

#include "ariba/utility/logging/Logging.h"

#include "ariba/utility/system/Timer.h"



using std::map;

using ariba::utility::Timer;



namespace ariba {

namespace overlay {



class OneHop : public OverlayInterface, protected Timer {

        use_logging_h( OneHop );

public:

        OneHop(BaseOverlay& _overlay, const NodeID& _nodeid,

                        OverlayStructureEvents* _eventsReceiver, const OverlayParameterSet& param);



        virtual ~OneHop();



protected:



        /// @see Timer.h

        virtual void eventFunction();



        /// @see OverlayInterface.h

        virtual void createOverlay();



        /// @see OverlayInterface.h

        virtual void deleteOverlay();



        /// @see OverlayInterface.h

        virtual void joinOverlay(const EndpointDescriptor& boot =

                        EndpointDescriptor::UNSPECIFIED);



        /// @see OverlayInterface.h

        virtual void leaveOverlay();



        /// @see OverlayInterface.h

        virtual const EndpointDescriptor& resolveNode(const NodeID& node);



        /// @see OverlayInterface.h

        virtual void routeMessage(const NodeID& destnode, Message* msg);



        /// @see OverlayInterface.h

        virtual NodeList getKnownNodes() const;



        /// @see CommunicationListener.h or @see OverlayInterface.h

        virtual void onLinkUp(const LinkID& lnk, const NodeID& remote);



        /// @see CommunicationListener.h or @see OverlayInterface.h

        virtual void onLinkDown(const LinkID& lnk, const NodeID& remote);



        /// @see CommunicationListener.h or @see OverlayInterface.h

        virtual void onMessage(const DataMessage& msg, const NodeID& remote,

                        const LinkID& lnk = LinkID::UNSPECIFIED);



private:

        /// The other nodes in the overlay

        typedef map<const NodeID, const LinkID> OverlayNodeMapping;

        OverlayNodeMapping overlayNodes;



        /// The current state of the overlay

        typedef enum _OneHopState {

                OneHopStateInvalid = 0,

                OneHopStateJoinInitiated = 1,

                OneHopStateJoinListingRequested = 2,

                OneHopStateCompleted = 3,

        } OneHopState;



        OneHopState state;

        uint16_t pendingLinks;

        LinkID bootstrapLink;

};



}} // namespace ariba, overlay



#endif // _ONE_HOP_H