| /* |
| * 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; |
| |
| |
| /** |
| * @todo : Missing Javadoc |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| 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(); |
| } |
| } |