daemon/src/api/ClientHandler.h

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/*
 * ClientHandler.h
 *
 *  Created on: 24.06.2009
 *      Author: morgenro
 */

#ifndef CLIENTHANDLER_H_
#define CLIENTHANDLER_H_

#include "ibrdtn/streams/StreamConnection.h"
#include "ibrdtn/streams/StreamContactHeader.h"
#include "ibrcommon/net/tcpstream.h"
#include "core/EventReceiver.h"
#include <memory>

using namespace dtn::streams;

namespace dtn
{
        namespace api
        {
                class ClientHandler;

                class ApiServerInterface
                {
                public:
                        virtual void connectionUp(ClientHandler *conn) = 0;
                        virtual void connectionDown(ClientHandler *conn) = 0;
                };

                class ClientHandler : public dtn::streams::StreamConnection::Callback, public ibrcommon::DetachedThread
                {
                public:
                        ClientHandler(ApiServerInterface &srv, ibrcommon::tcpstream *stream, size_t connectionid);
                        virtual ~ClientHandler();

                        size_t id;

                        virtual void initialize();
                        virtual void shutdown();

                        virtual void eventShutdown(StreamConnection::ConnectionShutdownCases csc);
                        virtual void eventTimeout();
                        virtual void eventError();
                        virtual void eventConnectionDown();
                        virtual void eventConnectionUp(const StreamContactHeader &header);

                        virtual void eventBundleRefused();
                        virtual void eventBundleForwarded();
                        virtual void eventBundleAck(size_t ack);

                        friend ClientHandler& operator>>(ClientHandler &conn, dtn::data::Bundle &bundle);
                        friend ClientHandler& operator<<(ClientHandler &conn, const dtn::data::Bundle &bundle);

                        const dtn::data::EID& getPeer() const;

                        void queue(const dtn::data::Bundle &bundle);

                protected:
                        void received(const dtn::streams::StreamContactHeader &h);
                        void run();
                        void finally();
                        bool __cancellation();
                        bool good() const;

                private:
                        class Sender : public ibrcommon::JoinableThread, public ibrcommon::Queue<dtn::data::Bundle>
                        {
                        public:
                                Sender(ClientHandler &client);
                                virtual ~Sender();

                        protected:
                                void run();
                                bool __cancellation();

                        private:
                                ClientHandler &_client;
                        };

                        ApiServerInterface &_srv;
                        ClientHandler::Sender _sender;

                        dtn::data::EID _eid;

                        auto_ptr<ibrcommon::tcpstream> _stream;
                        dtn::streams::StreamConnection _connection;
                        StreamContactHeader _contact;

                        ibrcommon::Queue<dtn::data::Bundle> _sentqueue;
                        size_t _lastack;
                };
        }
}
#endif /* CLIENTHANDLER_H_ */