001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.transport.auto;
018
019import java.io.IOException;
020import java.net.Socket;
021import java.net.URI;
022import java.net.URISyntaxException;
023import java.util.HashMap;
024import java.util.Map;
025import java.util.Set;
026
027import javax.net.ServerSocketFactory;
028
029import org.apache.activemq.broker.BrokerService;
030import org.apache.activemq.broker.BrokerServiceAware;
031import org.apache.activemq.openwire.OpenWireFormatFactory;
032import org.apache.activemq.transport.TransportServer;
033import org.apache.activemq.transport.tcp.TcpTransport;
034import org.apache.activemq.transport.tcp.TcpTransport.InitBuffer;
035import org.apache.activemq.transport.tcp.TcpTransportFactory;
036import org.apache.activemq.transport.tcp.TcpTransportServer;
037import org.apache.activemq.util.IOExceptionSupport;
038import org.apache.activemq.util.IntrospectionSupport;
039import org.apache.activemq.util.URISupport;
040import org.apache.activemq.wireformat.WireFormat;
041
042/**
043 *
044 *
045 */
046public class AutoTcpTransportFactory extends TcpTransportFactory implements BrokerServiceAware {
047
048    protected BrokerService brokerService;
049    /* (non-Javadoc)
050     * @see org.apache.activemq.broker.BrokerServiceAware#setBrokerService(org.apache.activemq.broker.BrokerService)
051     */
052    @Override
053    public void setBrokerService(BrokerService brokerService) {
054        this.brokerService = brokerService;
055    }
056
057
058    @Override
059    public TransportServer doBind(final URI location) throws IOException {
060        try {
061            Map<String, String> options = new HashMap<String, String>(URISupport.parseParameters(location));
062
063            Map<String, Object> autoProperties = IntrospectionSupport.extractProperties(options, "auto.");
064            this.enabledProtocols = AutoTransportUtils.parseProtocols((String) autoProperties.get("protocols"));
065
066            ServerSocketFactory serverSocketFactory = createServerSocketFactory();
067            AutoTcpTransportServer server = createTcpTransportServer(location, serverSocketFactory);
068            //server.setWireFormatFactory(createWireFormatFactory(options));
069            server.setWireFormatFactory(new OpenWireFormatFactory());
070            if (options.get("allowLinkStealing") != null){
071                allowLinkStealingSet = true;
072            }
073            IntrospectionSupport.setProperties(server, options);
074            server.setTransportOption(IntrospectionSupport.extractProperties(options, "transport."));
075            server.setWireFormatOptions(AutoTransportUtils.extractWireFormatOptions(options));
076            server.bind();
077
078            return server;
079        } catch (URISyntaxException e) {
080            throw IOExceptionSupport.create(e);
081        }
082    }
083
084    boolean allowLinkStealingSet = false;
085    private Set<String> enabledProtocols;
086
087    @Override
088    protected AutoTcpTransportServer createTcpTransportServer(final URI location, ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
089        AutoTcpTransportServer server = new AutoTcpTransportServer(this, location, serverSocketFactory, brokerService, enabledProtocols) {
090
091            @Override
092            protected TcpTransport createTransport(Socket socket, WireFormat format,
093                    TcpTransportFactory detectedTransportFactory, InitBuffer initBuffer) throws IOException {
094                setDefaultLinkStealing(format, this);
095                return super.createTransport(socket, format, detectedTransportFactory, initBuffer);
096            }
097
098        };
099
100        return server;
101    }
102
103    private void setDefaultLinkStealing(WireFormat format, TcpTransportServer server) {
104        if (format.getClass().toString().contains("MQTT") && !allowLinkStealingSet) {
105            server.setAllowLinkStealing(true);
106        }
107    }
108}