001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * ***
008 *
009 * Community License: GPL 3.0
010 *
011 * This file is free software: you can redistribute it and/or modify
012 * it under the terms of the GNU General Public License as published
013 * by the Free Software Foundation, either version 3 of the License,
014 * or (at your option) any later version.
015 *
016 * This file is distributed in the hope that it will be useful, but
017 * WITHOUT ANY WARRANTY; without even the implied warranty of
018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
019 * GNU General Public License for more details.
020 *
021 * You should have received a copy of the GNU General Public License
022 * along with this program. If not, see <http://www.gnu.org/licenses/>.
023 *
024 * ***
025 *
026 * Available Commercial License: GraniteDS SLA 1.0
027 *
028 * This is the appropriate option if you are creating proprietary
029 * applications and you are not prepared to distribute and share the
030 * source code of your application under the GPL v3 license.
031 *
032 * Please visit http://www.granitedataservices.com/license for more
033 * details.
034 */
035 package org.granite.gravity.udp;
036
037 import java.net.DatagramSocket;
038 import java.net.InetSocketAddress;
039
040 import org.granite.gravity.AbstractChannel;
041 import org.granite.gravity.udp.UdpReceiverFactory;
042 import org.granite.logging.Logger;
043
044 /**
045 * @author Franck WOLFF
046 */
047 public class UdpConnectedIOChannelFactory extends AbstractUdpChannelFactory {
048
049 private static final Logger log = Logger.getLogger(UdpConnectedIOChannelFactory.class);
050
051 public UdpConnectedIOChannelFactory(UdpReceiverFactory factory) {
052 super(factory);
053 }
054
055 @Override
056 public void start() {
057 super.start();
058
059 log.info("UDP socket factory started.");
060 }
061
062 @Override
063 public void stop() {
064 super.stop();
065
066 log.info("UDP socket factory stopped.");
067 }
068
069 @Override
070 public UdpChannel newUdpChannel(AbstractChannel gravityChannel, InetSocketAddress address) {
071 int port = factory.getPort();
072
073 if (port == 0)
074 log.info("Creating UDP socket on port * (any available port) and connected to %s...", address);
075 else
076 log.info("Creating UDP socket on port %d and connected to %s...", port, address);
077
078 try {
079 DatagramSocket socket = new DatagramSocket(port);
080 if (port != 0)
081 socket.setReuseAddress(true);
082 socket.setSendBufferSize(factory.getSendBufferSize());
083 socket.connect(address);
084
085 log.info("UDP socket bound to port %d and connected to %s", socket.getLocalPort(), socket.getRemoteSocketAddress());
086
087 return new UdpIOChannel(this, gravityChannel, socket, address);
088 }
089 catch (Exception e) {
090 throw new RuntimeException("Could not create data socket on port: " + port, e);
091 }
092 }
093 }