source: source/ariba/communication/CommunicationEvents.h @ 7468

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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