source: source/ariba/CommunicationListener.h@ 7496

// [License]

// The Ariba-Underlay Copyright

//

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

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// Institute of Telematics

// UniversitÀt Karlsruhe (TH)

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// Germany

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// [License]



#ifndef COMMUNICATIONLISTENER_H_

#define COMMUNICATIONLISTENER_H_



#include "Message.h"

#include "Identifiers.h"

#include "LinkProperties.h"

#include "DataMessage.h"



namespace ariba {



// forward decl

namespace overlay {

        class BaseOverlay;

}



/**

 * Listener for communication events on links.

 */

class CommunicationListener {



        friend class ariba::overlay::BaseOverlay;

        friend class Node;



public:

        static CommunicationListener DEFAULT;



protected:



        CommunicationListener();

        virtual ~CommunicationListener();



        // --- link events ---



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



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



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



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



        virtual bool onLinkRequest(const NodeID& remote);



        // --- general receive method ---



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

                        const LinkID& lnk = LinkID::UNSPECIFIED);



        // --- dht functionality ---



        virtual void onKeyValue( const Data& key, const vector<Data>& value );



};



} // namespace ariba



#endif /* COMMUNICATIONLISTENER_H_ */