source: source/ariba/overlay/modules/OverlayInterface.h@ 3578

// [Licence]
// 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 ARIBA PROJECT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// [Licence]

#ifndef __OVERLAY_INTERFACE_H
#define __OVERLAY_INTERFACE_H

#include "ariba/CommunicationListener.h"
#include "ariba/communication/EndpointDescriptor.h"
#include "ariba/overlay/modules/OverlayStructureEvents.h"
#include "ariba/utility/types/NodeID.h"
#include "ariba/utility/types/ServiceID.h"

using ariba::CommunicationListener;
using ariba::communication::EndpointDescriptor;
using ariba::overlay::OverlayStructureEvents;
using ariba::utility::NodeID;
using ariba::utility::ServiceID;

namespace ariba {
namespace overlay {

class BaseOverlay;

class OverlayInterface : public CommunicationListener {
        friend class BaseOverlay;
public:
        OverlayInterface(
                BaseOverlay& _baseoverlay,
                const NodeID& _nodeid,
                OverlayStructureEvents* _eventsReceiver
        );

        virtual ~OverlayInterface();

        typedef vector<NodeID> NodeList;

        virtual void createOverlay() = 0;
        virtual void deleteOverlay() = 0;

        virtual void joinOverlay( const EndpointDescriptor& bootstrapEp = EndpointDescriptor::UNSPECIFIED) = 0;
        virtual void leaveOverlay() = 0;

        virtual const EndpointDescriptor& resolveNode( const NodeID& node ) = 0;
        virtual void routeMessage( const NodeID& destnode, Message* msg ) = 0;

        virtual NodeList getKnownNodes() const = 0;

        // functions from CommunicationListener that we _can_ use as overlay
        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 void onLinkQoSChanged(const LinkID& lnk, const NodeID& remote, const LinkProperties& prop);
        virtual bool onLinkRequest(const NodeID& remote, const DataMessage& msg);
        virtual void onMessage(const DataMessage& msg, const NodeID& remote, const LinkID& lnk = LinkID::UNSPECIFIED);

protected:
        BaseOverlay& baseoverlay;
        const NodeID& nodeid;
        OverlayStructureEvents* eventsReceiver;
        static ServiceID OVERLAY_SERVICE_ID;
};

}} // namespace ariba, overlay

#endif // __OVERLAY_INTERFACE_H