daemon/src/routing/NodeHandshakeExtension.h

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/*
 * NodeHandshakeExtension.h
 *
 *  Created on: 08.12.2011
 *      Author: morgenro
 */

#ifndef NODEHANDSHAKEEXTENSION_H_
#define NODEHANDSHAKEEXTENSION_H_

#include "routing/BaseRouter.h"
#include "core/AbstractWorker.h"

#include <ibrcommon/thread/Mutex.h>
#include <ibrcommon/thread/Queue.h>
#include <map>

namespace dtn
{
        namespace routing
        {
                class NodeHandshakeExtension : public BaseRouter::Extension
                {
                public:
                        NodeHandshakeExtension();
                        virtual ~NodeHandshakeExtension();

                        void notify(const dtn::core::Event *evt);

                        void doHandshake(const dtn::data::EID &eid);

                        void requestHandshake(const dtn::data::EID &destination, NodeHandshake &request) const;

                        void responseHandshake(const dtn::data::EID &source, const NodeHandshake &request, NodeHandshake &answer);

                        void processHandshake(const dtn::data::EID &source, NodeHandshake &answer);

                protected:
                        void processHandshake(const dtn::data::Bundle &bundle);
                        const std::list<BaseRouter::Extension*>& getExtensions();

                private:
                        class HandshakeEndpoint : public dtn::core::AbstractWorker
                        {
                        public:
                                HandshakeEndpoint(NodeHandshakeExtension &callback);
                                virtual ~HandshakeEndpoint();

                                void callbackBundleReceived(const Bundle &b);
                                void query(const dtn::data::EID &eid);

                                void send(const dtn::data::Bundle &b);

                                void removeFromBlacklist(const dtn::data::EID &eid);

                        private:
                                NodeHandshakeExtension &_callback;
                                std::map<dtn::data::EID, size_t> _blacklist;
                                ibrcommon::Mutex _blacklist_lock;
                        };

                        HandshakeEndpoint _endpoint;
                };
        } /* namespace routing */
} /* namespace dtn */
#endif /* NODEHANDSHAKEEXTENSION_H_ */