source: source/ariba/Node.cpp@ 3041

// [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,

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

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// Telematics.

// [License]



#include "Node.h"



#include "ariba/overlay/BaseOverlay.h"

#include "ariba/utility/types/OverlayParameterSet.h"

#include "ariba/interface/ServiceInterface.h"

#include "ariba/communication/EndpointDescriptor.h"



using ariba::communication::EndpointDescriptor;



namespace ariba {



class ServiceInterfaceWrapper: public interface::ServiceInterface {

private:

        NodeListener* nodeListener;

        CommunicationListener* commListener;

public:

        ServiceInterfaceWrapper(NodeListener* listener) :

                nodeListener(listener), commListener(NULL) {



        }



        ServiceInterfaceWrapper(CommunicationListener* listener) :

                nodeListener(NULL), commListener(listener) {

        }



        ~ServiceInterfaceWrapper() {

        }



protected:



        bool isJoinAllowed(const NodeID& nodeid, const SpoVNetID& spovnetid) {

                return true;

        }



        void onNodeJoin(const NodeID& nodeid, const SpoVNetID& spovnetid) {

                // not handled

        }



        void onNodeLeave(const NodeID& id, const SpoVNetID& spovnetid) {

                // not handled

        }



        void onJoinSuccess(const SpoVNetID& spovnetid) {

                if (nodeListener != NULL) nodeListener->onJoinCompleted(spovnetid);

        }



        void onJoinFail(const SpoVNetID& spovnetid) {

                if (nodeListener != NULL) nodeListener->onJoinFailed(spovnetid);

        }



        void onLeaveSuccess( const SpoVNetID& spovnetid ){

                if (nodeListener != NULL) nodeListener->onLeaveCompleted(spovnetid);

        }



        void onLeaveFail( const SpoVNetID& spovnetid ){

                if (nodeListener != NULL) nodeListener->onLeaveFailed(spovnetid);

        }



        void onLinkUp(const LinkID& link, const NodeID& local, const NodeID& remote) {

                if (commListener != NULL) commListener->onLinkUp(link, remote);

        }



        void onLinkDown(const LinkID& link, const NodeID& local,

                        const NodeID& remote) {

                if (commListener != NULL) commListener->onLinkDown(link, remote);

        }



        void onLinkChanged(const LinkID& link, const NodeID& local,

                        const NodeID& remote) {

                if (commListener != NULL) commListener->onLinkChanged(link, remote);

        }



        void onLinkFail(const LinkID& id, const NodeID& local, const NodeID& remote) {

                if (commListener != NULL) commListener->onLinkFail(id, remote);

        }



        void onLinkQoSChanged(const LinkID& id, const NodeID& local,

                        const NodeID& remote, const QoSParameterSet& qos) {

                if (commListener != NULL) commListener->onLinkQoSChanged(id, remote,

                                LinkProperties::DEFAULT);

        }



        bool receiveMessage(const Message* message, const LinkID& link,

                        const NodeID& node) {

                if (commListener != NULL) commListener->onMessage(

                                const_cast<Message*>(message), node, link);

        }

};



ServiceID Node::anonymousService = ServiceID(0xFF00);



Node::Node(AribaModule& ariba_mod, const Name& node_name) :

        ariba_mod(ariba_mod), name(node_name) {

        base_overlay = new BaseOverlay();

}



Node::~Node() {

        delete base_overlay;

        base_overlay = NULL;

}



//TODO: Implement error handling: no bootstrap node available

void Node::join(const Name& vnetname) {

        spovnetId = vnetname.toSpoVNetId();

        nodeId = generateNodeId(name);



        ariba_mod.base_comm->start(ariba_mod.ip_addr, ariba_mod.tcp_port);

        base_overlay->start( *ariba_mod.base_comm, nodeId );



        const communication::EndpointDescriptor* ep =

                        ariba_mod.getBootstrapNode(vnetname);

        if( ep == NULL ) return;



        base_overlay->joinSpoVNet( spovnetId, *ep);

}



void Node::initiate(const Name& vnetname, const SpoVNetProperties& parm) {

        utility::OverlayParameterSet ovrpset =

                        (utility::OverlayParameterSet::_OverlayStructure)

                        parm.getBaseOverlayType();



        spovnetId = vnetname.toSpoVNetId();

        nodeId = generateNodeId(name);



        ariba_mod.base_comm->start(ariba_mod.ip_addr, ariba_mod.tcp_port);



        base_overlay->start( *ariba_mod.base_comm, nodeId );

        base_overlay->createSpoVNet( spovnetId );



        ariba_mod.addBootstrapNode(vnetname,

                new EndpointDescriptor(ariba_mod.base_comm->getEndpointDescriptor()));

}



void Node::leave() {

        base_overlay->leaveSpoVNet();

        ariba_mod.base_comm->stop();



        base_overlay->stop();

}



const SpoVNetProperties& Node::getSpoVNetProperties() const {

        return SpoVNetProperties::DEFAULT;

}



const SpoVNetID& Node::getSpoVNetId() const {

        return spovnetId;

}



const NodeID& Node::getNodeId(const LinkID& lid) const {

        if( lid == LinkID::UNSPECIFIED ) return nodeId;

        else return base_overlay->getNodeID( lid );

}



NodeID Node::generateNodeId(const Name& name) const {

        if (name == Name::UNSPECIFIED) return Name::random().toNodeId();

        else return name.toNodeId();

}



vector<NodeID> Node::getNeighborNodes() const {

        return base_overlay->getOverlayNeighbors();

}



LinkID Node::establishLink(const NodeID& nid, const ServiceID& sid,

                const LinkProperties& req, const DataMessage& msg) {

        return base_overlay->establishLink(nid, sid);

}



void Node::dropLink(const LinkID& lnk) {

        base_overlay->dropLink(lnk);

}



seqnum_t Node::sendMessage(const DataMessage& msg, const NodeID& nid,

                const ServiceID& sid, const LinkProperties& req) {

        return base_overlay->sendMessage((Message*) msg, nid, sid);

}



seqnum_t Node::sendMessage(const DataMessage& msg, const LinkID& lnk) {

        return base_overlay->sendMessage((Message*) msg, lnk);

}



void Node::sendBroadcastMessage(const DataMessage& msg, const ServiceID& sid) {

        return base_overlay->broadcastMessage((Message*)msg, sid);

}



void Node::bind(NodeListener* listener) {

        base_overlay->bind(new ServiceInterfaceWrapper(listener),

                        Node::anonymousService);

}



void Node::unbind(NodeListener* listener) {

        delete base_overlay->unbind(Node::anonymousService);

}



void Node::bind(CommunicationListener* listener, const ServiceID& sid) {

        base_overlay->bind(new ServiceInterfaceWrapper(listener), sid);

}



void Node::unbind(CommunicationListener* listener, const ServiceID& sid) {

        delete base_overlay->unbind(sid);

}



// service directory

/*

 void Node::put(const Identifier<>& key, Message* value) {

 }



 void Node::get(const Identifier<>& key) {



 }

 */



// @see Module.h

void Node::initialize() {



}



// @see Module.h

void Node::start() {



}



// @see Module.h

void Node::stop() {



}



// @see Module.h

string Node::getName() const {



}



// @see Module.h

void Node::setProperty(string key, string value) {



}



// @see Module.h

const string Node::getProperty(string key) const {



}



// @see Module.h

const vector<string> Node::getProperties() const {



}



} // namespace ariba