source: source/ariba/CommunicationListener.h@ 5681

// [License]

// The Ariba-Underlay Copyright

//

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

//

// Institute of Telematics

// UniversitÀt Karlsruhe (TH)

// Zirkel 2, 76128 Karlsruhe

// Germany

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

// 1. Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// 2. Redistributions in binary form must reproduce the above copyright

// notice, this list of conditions and the following disclaimer in the

// documentation and/or other materials provided with the distribution.

//

// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND

// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OF TELEMATICS OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

// The views and conclusions contained in the software and documentation

// are those of the authors and should not be interpreted as representing

// official policies, either expressed or implied, of the Institute of

// Telematics.

// [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, const DataMessage& msg = DataMessage::UNSPECIFIED);



        // --- general receive method ---



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

                        const LinkID& lnk = LinkID::UNSPECIFIED);



        // --- sniffing related method ---

        virtual bool onEnableSideportListener();



        // --- extended message functionality ---

        // virtual void onLinkQoSChanged(const LinkID& lnk, const NodeID& remote,

        //                      const LinkProperties& prop);



        // --- extended message functionality ---

        //      virtual void onMessageSent(seqnum_t seq_num, bool failed,

        //              const DataMessage& msg = DataMessage::UNSPECIFIED);



        // --- dht functionality ---

        //      virtual void onGetResponse( const Identifier<> id, const Message* msg );

        //      virtual void onPutResponse( const Identifier<> id, const Message* msg );

};



} // namespace ariba



#endif /* COMMUNICATIONLISTENER_H_ */