source: source/ariba/communication/CommunicationEvents.h@ 4604

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

#ifndef __COMMUNICATION_EVENTS_H
#define __COMMUNICATION_EVENTS_H

#include "ariba/utility/types/LinkID.h"
#include "ariba/communication/modules/network/NetworkLocator.h"
#include "ariba/utility/types/QoSParameterSet.h"

using ariba::utility::LinkID;
using ariba::utility::QoSParameterSet;
using ariba::communication::NetworkLocator;

namespace ariba {
namespace communication {

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 NetworkLocator* local, const NetworkLocator* 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 NetworkLocator* local, const NetworkLocator* 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 NetworkLocator* local, const NetworkLocator* 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 NetworkLocator* oldlocal, const NetworkLocator* newlocal, const NetworkLocator* oldremote, const NetworkLocator* newremote );

        virtual void onLinkFail( const LinkID& id, const NetworkLocator* local, const NetworkLocator* remote );

        virtual void onLinkQoSChanged( const LinkID& id, const NetworkLocator* local, const NetworkLocator* remote, const QoSParameterSet& qos );
};

}} // namespace ariba, communication

#endif //__COMMUNICATION_EVENTS_H