source: source/ariba/communication/CommunicationEvents.h@ 5450

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

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// UniversitÀt Karlsruhe (TH)

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// [License]



#ifndef __COMMUNICATION_EVENTS_H

#define __COMMUNICATION_EVENTS_H



#include "ariba/utility/types/LinkID.h"

#include "ariba/utility/types/QoSParameterSet.h"

#include "ariba/utility/addressing/addressing.hpp"



namespace ariba {

namespace communication {



using ariba::utility::LinkID;

using ariba::utility::QoSParameterSet;

using namespace ariba::addressing;



class CommunicationEvents {

        friend class BaseCommunication;



public:

        CommunicationEvents();

        virtual ~CommunicationEvents();



protected:



        /**

         * This method is called when a link request is received.

         * If this method returns true, a the link request is processed

         * and a new link will be established.

         *

         * @param id The provisional link identifier of the new link

         * @return True, if the link should be established

         */

        virtual bool onLinkRequest(const LinkID& id, const address_v* local,

                const address_v* remote);



        /**

         * This method is called when a link is established and can

         * be used to send messages.

         *

         * @param id The link id of the established link

         */

        virtual void onLinkUp(const LinkID& id, const address_v* local,

                const address_v* remote);



        /**

         * This method is called when a link is dropped.

         *

         * @param id The link identifier of the dropped link

         */

        virtual void onLinkDown(const LinkID& id, const address_v* local,

                const address_v* remote);



        /**

         * This method is called when a link has been changed because

         * of interface failure, mobility, etc. in this case messages

         * can still be sent over the link -- connectivity is still provided

         * with different link properties.

         *

         * @param id The link identifier of the changed link

         */

        virtual void onLinkChanged(const LinkID& id,

                const address_v* oldlocal,  const address_v* newlocal,

                const address_v* oldremote, const address_v* newremote

        );



        virtual void onLinkFail(const LinkID& id, const address_v* local,

                const address_v* remote);



        virtual void onLinkQoSChanged(const LinkID& id, const address_v* local,

                const address_v* remote, const QoSParameterSet& qos);

};



}} // namespace ariba, communication



#endif //__COMMUNICATION_EVENTS_H