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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.
*/
package org.apache.activemq.transport.tcp;
import java.io.IOException;
import java.net.Socket;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import javax.net.ServerSocketFactory;
import javax.net.SocketFactory;
import javax.net.ssl.SSLEngine;
import org.apache.activemq.TransportLoggerSupport;
import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.transport.InactivityMonitor;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportFactory;
import org.apache.activemq.transport.TransportServer;
import org.apache.activemq.transport.WireFormatNegotiator;
import org.apache.activemq.transport.tcp.TcpTransport.InitBuffer;
import org.apache.activemq.util.IOExceptionSupport;
import org.apache.activemq.util.IntrospectionSupport;
import org.apache.activemq.util.URISupport;
import org.apache.activemq.wireformat.WireFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TcpTransportFactory extends TransportFactory {
private static final Logger LOG = LoggerFactory.getLogger(TcpTransportFactory.class);
@Override
public TransportServer doBind(final URI location) throws IOException {
try {
Map options = new HashMap(URISupport.parseParameters(location));
ServerSocketFactory serverSocketFactory = createServerSocketFactory();
TcpTransportServer server = createTcpTransportServer(location, serverSocketFactory);
server.setWireFormatFactory(createWireFormatFactory(options));
IntrospectionSupport.setProperties(server, options);
Map transportOptions = IntrospectionSupport.extractProperties(options, "transport.");
server.setTransportOption(transportOptions);
server.bind();
return server;
} catch (URISyntaxException e) {
throw IOExceptionSupport.create(e);
}
}
/**
* Allows subclasses of TcpTransportFactory to create custom instances of
* TcpTransportServer.
*
* @param location
* @param serverSocketFactory
* @return a new TcpTransportServer instance.
* @throws IOException
* @throws URISyntaxException
*/
protected TcpTransportServer createTcpTransportServer(final URI location, ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
return new TcpTransportServer(this, location, serverSocketFactory);
}
@Override
@SuppressWarnings("rawtypes")
public Transport compositeConfigure(Transport transport, WireFormat format, Map options) {
TcpTransport tcpTransport = transport.narrow(TcpTransport.class);
IntrospectionSupport.setProperties(tcpTransport, options);
Map socketOptions = IntrospectionSupport.extractProperties(options, "socket.");
tcpTransport.setSocketOptions(socketOptions);
if (tcpTransport.isTrace()) {
try {
transport = TransportLoggerSupport.createTransportLogger(transport, tcpTransport.getLogWriterName(), tcpTransport.isDynamicManagement(), tcpTransport.isStartLogging(), tcpTransport.getJmxPort());
} catch (Throwable e) {
LOG.error("Could not create TransportLogger object for: " + tcpTransport.getLogWriterName() + ", reason: " + e, e);
}
}
boolean useInactivityMonitor = "true".equals(getOption(options, "useInactivityMonitor", "true"));
if (useInactivityMonitor && isUseInactivityMonitor(transport)) {
transport = createInactivityMonitor(transport, format);
IntrospectionSupport.setProperties(transport, options);
}
// Only need the WireFormatNegotiator if using openwire
if (format instanceof OpenWireFormat) {
transport = new WireFormatNegotiator(transport, (OpenWireFormat)format, tcpTransport.getMinmumWireFormatVersion());
}
return super.compositeConfigure(transport, format, options);
}
/**
* @return true if the inactivity monitor should be used on the transport
*/
protected boolean isUseInactivityMonitor(Transport transport) {
return true;
}
@Override
protected Transport createTransport(URI location, WireFormat wf) throws UnknownHostException, IOException {
URI localLocation = null;
String path = location.getPath();
// see if the path is a local URI location
if (path != null && path.length() > 0) {
int localPortIndex = path.indexOf(':');
try {
Integer.parseInt(path.substring(localPortIndex + 1, path.length()));
String localString = location.getScheme() + ":/" + path;
localLocation = new URI(localString);
} catch (Exception e) {
LOG.warn("path isn't a valid local location for TcpTransport to use: {}", e.getMessage());
if(LOG.isDebugEnabled()) {
LOG.debug("Failure detail", e);
}
}
}
SocketFactory socketFactory = createSocketFactory();
return createTcpTransport(wf, socketFactory, location, localLocation);
}
public TcpTransport createTransport(WireFormat wireFormat, Socket socket, InitBuffer initBuffer) throws IOException {
throw new IOException("createTransport() method not implemented!");
}
public TcpTransport createTransport(WireFormat wireFormat, Socket socket,
SSLEngine engine, InitBuffer initBuffer, ByteBuffer inputBuffer) throws IOException {
throw new IOException("createTransport() method not implemented!");
}
/**
* Allows subclasses of TcpTransportFactory to provide a create custom
* TcpTransport instances.
*
* @param wf
* @param socketFactory
* @param location
* @param localLocation
*
* @return a new TcpTransport instance connected to the given location.
*
* @throws UnknownHostException
* @throws IOException
*/
protected TcpTransport createTcpTransport(WireFormat wf, SocketFactory socketFactory, URI location, URI localLocation) throws UnknownHostException, IOException {
return new TcpTransport(wf, socketFactory, location, localLocation);
}
protected ServerSocketFactory createServerSocketFactory() throws IOException {
return ServerSocketFactory.getDefault();
}
protected SocketFactory createSocketFactory() throws IOException {
return SocketFactory.getDefault();
}
protected Transport createInactivityMonitor(Transport transport, WireFormat format) {
return new InactivityMonitor(transport, format);
}
}