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.TcpTransportFactory;
035import org.apache.activemq.util.IOExceptionSupport;
036import org.apache.activemq.util.IntrospectionSupport;
037import org.apache.activemq.util.URISupport;
038import org.apache.activemq.wireformat.WireFormat;
039
040/**
041 *
042 *
043 */
044public class AutoTcpTransportFactory extends TcpTransportFactory implements BrokerServiceAware {
045
046    protected BrokerService brokerService;
047    /* (non-Javadoc)
048     * @see org.apache.activemq.broker.BrokerServiceAware#setBrokerService(org.apache.activemq.broker.BrokerService)
049     */
050    @Override
051    public void setBrokerService(BrokerService brokerService) {
052        this.brokerService = brokerService;
053    }
054
055
056    @Override
057    public TransportServer doBind(final URI location) throws IOException {
058        try {
059            Map<String, String> options = new HashMap<String, String>(URISupport.parseParameters(location));
060
061            Map<String, Object> autoProperties = IntrospectionSupport.extractProperties(options, "auto.");
062            this.enabledProtocols = AutoTransportUtils.parseProtocols((String) autoProperties.get("protocols"));
063
064            ServerSocketFactory serverSocketFactory = createServerSocketFactory();
065            AutoTcpTransportServer server = createTcpTransportServer(location, serverSocketFactory);
066            //server.setWireFormatFactory(createWireFormatFactory(options));
067            server.setWireFormatFactory(new OpenWireFormatFactory());
068            if (options.get("allowLinkStealing") != null){
069                allowLinkStealingSet = true;
070            }
071            IntrospectionSupport.setProperties(server, options);
072            server.setTransportOption(IntrospectionSupport.extractProperties(options, "transport."));
073            server.setWireFormatOptions(AutoTransportUtils.extractWireFormatOptions(options));
074            server.bind();
075
076            return server;
077        } catch (URISyntaxException e) {
078            throw IOExceptionSupport.create(e);
079        }
080    }
081
082    boolean allowLinkStealingSet = false;
083    private Set<String> enabledProtocols;
084
085    @Override
086    protected AutoTcpTransportServer createTcpTransportServer(final URI location, ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
087        AutoTcpTransportServer server = new AutoTcpTransportServer(this, location, serverSocketFactory, brokerService, enabledProtocols) {
088
089            @Override
090            protected TcpTransport createTransport(Socket socket, WireFormat format)
091                    throws IOException {
092                if (format.getClass().toString().contains("MQTT") && !allowLinkStealingSet) {
093                    this.setAllowLinkStealing(true);
094                }
095                return super.createTransport(socket, format);
096            }
097
098        };
099
100        return server;
101    }
102}