/*
* 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.directory.server.protocol.shared.transport;
import java.net.InetSocketAddress;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.transport.socket.DatagramAcceptor;
import org.apache.mina.transport.socket.nio.NioDatagramAcceptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @org.apache.xbean.XBean
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class UdpTransport extends AbstractTransport
{
/** A logger for this class */
private static final Logger LOG = LoggerFactory.getLogger( UdpTransport.class );
/**
* Creates an instance of the UdpTransport class
*/
public UdpTransport()
{
super();
}
/**
* Creates an instance of the UdpTransport class on localhost
* @param udpPort The port
*/
public UdpTransport( int udpPort )
{
super( udpPort );
this.acceptor = createAcceptor( null, udpPort );
LOG.debug( "UDP Transport created : <*:{},>", udpPort );
}
/**
* Creates an instance of the UdpTransport class
* @param address The address
* @param udpPort The port
*/
public UdpTransport( String address, int udpPort )
{
super( address, udpPort );
this.acceptor = createAcceptor( address, udpPort );
LOG.debug( "UDP Transport created : <{}:{},>", address, udpPort );
}
/**
* Initialize the Acceptor if needed
*/
public void init()
{
acceptor = createAcceptor( getAddress(), getPort() );
LOG.debug( "UDP Transport created : <{}:{},>", getAddress(), getPort() );
}
/**
* @return The associated DatagramAcceptor
*/
public DatagramAcceptor getAcceptor()
{
if( ( acceptor != null ) && acceptor.isDisposed() )
{
acceptor = createAcceptor( getAddress(), getPort() );
}
return acceptor == null ? null : (DatagramAcceptor)acceptor;
}
/**
* Helper method to create an IoAcceptor
*/
private IoAcceptor createAcceptor( String address, int port )
{
NioDatagramAcceptor acceptor = new NioDatagramAcceptor();
InetSocketAddress socketAddress = null;
// The address can be null here, if one want to connect using the wildcard address
if ( address == null )
{
// Create a socket listening on the wildcard address
socketAddress = new InetSocketAddress( port );
}
else
{
socketAddress = new InetSocketAddress( address, port );
}
acceptor.setDefaultLocalAddress( socketAddress );
return acceptor;
}
/**
* @see Object#toString()
*/
public String toString()
{
return "UdpTransport" + super.toString();
}
}