src/main/activemq/transport/IOTransport.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _ACTIVEMQ_TRANSPORT_IOTRANSPORT_H_
#define _ACTIVEMQ_TRANSPORT_IOTRANSPORT_H_

#include <activemq/util/Config.h>
#include <activemq/transport/Transport.h>
#include <activemq/transport/TransportListener.h>
#include <activemq/commands/Command.h>
#include <activemq/commands/Response.h>
#include <activemq/exceptions/ActiveMQException.h>
#include <activemq/wireformat/WireFormat.h>

#include <decaf/lang/Runnable.h>
#include <decaf/lang/Thread.h>
#include <decaf/io/DataInputStream.h>
#include <decaf/io/DataOutputStream.h>
#include <decaf/util/logging/LoggerDefines.h>
#include <memory>

namespace activemq{
namespace transport{

    using decaf::lang::Pointer;
    using activemq::commands::Command;
    using activemq::commands::Response;

    class AMQCPP_API IOTransport : public Transport,
                                   public decaf::lang::Runnable {

        LOGDECAF_DECLARE( logger )

    private:

        Pointer<wireformat::WireFormat> wireFormat;

        TransportListener* listener;

        decaf::io::DataInputStream* inputStream;

        decaf::io::DataOutputStream* outputStream;

        Pointer<decaf::lang::Thread> thread;

        volatile bool closed;

    private:

        IOTransport( const IOTransport& );
        IOTransport& operator= ( const IOTransport& );

    private:

        void fire( decaf::lang::Exception& ex );

        void fire( const Pointer<Command>& command );

    public:

        IOTransport();

        IOTransport( const Pointer<wireformat::WireFormat>& wireFormat );

        virtual ~IOTransport();

        virtual void setInputStream( decaf::io::DataInputStream* is ) {
            this->inputStream = is;
        }

        virtual void setOutputStream( decaf::io::DataOutputStream* os ) {
            this->outputStream = os;
        }

    public:  //Transport methods

        virtual void oneway( const Pointer<Command>& command );

        virtual Pointer<Response> request( const Pointer<Command>& command );

        virtual Pointer<Response> request( const Pointer<Command>& command, unsigned int timeout );

        virtual void setWireFormat( const Pointer<wireformat::WireFormat>& wireFormat ){
            this->wireFormat = wireFormat;
        }

        virtual void setTransportListener( TransportListener* listener ){
            this->listener = listener;
        }

        virtual TransportListener* getTransportListener() const {
            return this->listener;
        }

        virtual void start();

        virtual void stop();

        virtual void close();

        virtual Transport* narrow( const std::type_info& typeId ) {
            if( typeid( *this ) == typeId ) {
                return this;
            }

            return NULL;
        }

        virtual bool isFaultTolerant() const {
            return false;
        }

        virtual bool isConnected() const {
            return !this->closed;
        }

        virtual bool isClosed() const {
            return this->closed;
        }

        virtual std::string getRemoteAddress() const {
            return "";
        }

        virtual bool isReconnectSupported() const {
            return false;
        }

        virtual bool isUpdateURIsSupported() const {
            return false;
        }

        virtual void updateURIs( bool rebalance AMQCPP_UNUSED,
                                 const decaf::util::List<decaf::net::URI>& uris AMQCPP_UNUSED ) {
            throw decaf::io::IOException();
        }

        virtual void reconnect( const decaf::net::URI& uri AMQCPP_UNUSED ) {}

    public:  // Runnable methods.

        virtual void run();

    };

}}

#endif /*_ACTIVEMQ_TRANSPORT_IOTRANSPORT_H_*/