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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.qpid.client.handler;
import java.nio.ByteBuffer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.qpid.AMQException;
import org.apache.qpid.client.failover.ConnectionRedirectException;
import org.apache.qpid.client.protocol.AMQProtocolSession;
import org.apache.qpid.client.state.StateAwareMethodListener;
import org.apache.qpid.framing.ConnectionRedirectBody;
import org.apache.qpid.transport.ByteBufferSender;
import org.apache.qpid.transport.TransportException;
public class ConnectionRedirectMethodHandler implements StateAwareMethodListener<ConnectionRedirectBody>
{
private static final Logger _logger = LoggerFactory.getLogger(ConnectionRedirectMethodHandler.class);
private static final int DEFAULT_REDIRECT_PORT = 5672;
private static ConnectionRedirectMethodHandler _handler = new ConnectionRedirectMethodHandler();
public static ConnectionRedirectMethodHandler getInstance()
{
return _handler;
}
private ConnectionRedirectMethodHandler()
{ }
public void methodReceived(AMQProtocolSession session, ConnectionRedirectBody method, int channelId)
throws AMQException
{
_logger.info("ConnectionRedirect frame received");
String host = method.getHost().toString();
// the host is in the form hostname:port with the port being optional
int portIndex = host.indexOf(':');
int port;
if (portIndex == -1)
{
port = DEFAULT_REDIRECT_PORT;
}
else
{
port = Integer.parseInt(host.substring(portIndex + 1));
host = host.substring(0, portIndex);
}
session.notifyError(new ConnectionRedirectException(host,port));
ByteBufferSender sender = session.getSender();
// Close the open TCP connection
try
{
sender.close();
}
catch(TransportException e)
{
//Ignore, they are already logged by the Sender and this
//is a connection-close being processed by the IoReceiver
//which will as it closes initiate failover if necessary.
}
}
}
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