/**
* 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.apollo.broker.transport;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;
import org.fusesource.hawtdispatch.transport.TcpTransport;
import org.fusesource.hawtdispatch.transport.TcpTransportServer;
import org.fusesource.hawtdispatch.transport.Transport;
//import org.apache.activemq.transport.TransportLoggerFactory;
import org.fusesource.hawtdispatch.transport.TransportServer;
import org.apache.activemq.apollo.util.IntrospectionSupport;
import org.apache.activemq.apollo.util.URISupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.apache.activemq.apollo.broker.transport.TransportFactorySupport.configure;
import static org.apache.activemq.apollo.broker.transport.TransportFactorySupport.verify;
/**
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
* @author David Martin Clavo david(dot)martin(dot)clavo(at)gmail.com (logging improvement modifications)
*/
public class TcpTransportFactory implements TransportFactory.Provider {
private static final Logger LOG = LoggerFactory.getLogger(TcpTransportFactory.class);
public TransportServer bind(String location) throws Exception {
URI uri = new URI(location);
Map<String, String> options = new HashMap<String, String>(URISupport.parseParamters(uri));
TcpTransportServer server = createTcpTransportServer(uri, options);
if (server == null) return null;
Map<String, String> copy = new HashMap<String, String>(options);
IntrospectionSupport.setProperties(server, new HashMap(options));
return server;
}
public Transport connect(String location) throws Exception {
URI uri = new URI(location);
TcpTransport transport = createTransport(uri);
if (transport == null) return null;
Map<String, String> options = new HashMap<String, String>(URISupport.parseParamters(uri));
URI localLocation = getLocalLocation(uri);
configure(transport, options);
verify(transport, options);
transport.connecting(uri, localLocation);
return transport;
}
/**
* Allows subclasses of TcpTransportFactory to create custom instances of
* TcpTransportServer.
*/
protected TcpTransportServer createTcpTransportServer(final URI location, final Map<String, String> options) throws IOException, URISyntaxException, Exception {
if( !location.getScheme().equals("tcp") ) {
return null;
}
return new TcpTransportServer(location) {
@Override
protected TcpTransport createTransport() {
TcpTransport transport = super.createTransport();
IntrospectionSupport.setProperties(transport, new HashMap(options));
return transport;
}
};
}
/**
* Allows subclasses of TcpTransportFactory to create custom instances of
* TcpTransport.
*/
protected TcpTransport createTransport(URI uri) throws NoSuchAlgorithmException, Exception {
if( !uri.getScheme().equals("tcp") ) {
return null;
}
TcpTransport transport = new TcpTransport();
return transport;
}
protected URI getLocalLocation(URI location) {
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);
}
}
return localLocation;
}
protected String getOption(Map options, String key, String def) {
String rc = (String) options.remove(key);
if( rc == null ) {
rc = def;
}
return rc;
}
}