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 */
035package org.granite.gravity.udp;
036
037import java.net.InetSocketAddress;
038import java.nio.channels.DatagramChannel;
039
040import org.granite.gravity.AbstractChannel;
041import org.granite.gravity.udp.UdpReceiverFactory;
042import org.granite.logging.Logger;
043
044/**
045 * @author Franck WOLFF
046 */
047public class UdpConnectedNIOChannelFactory extends AbstractUdpChannelFactory {
048
049        private static final Logger log = Logger.getLogger(UdpConnectedNIOChannelFactory.class);
050
051        public UdpConnectedNIOChannelFactory(UdpReceiverFactory factory) {
052                super(factory); 
053        }
054        
055        @Override
056        public void start() {
057                super.start();
058                
059                log.info("UDP channel factory started.");
060        }
061
062        @Override
063        public void stop() {
064                super.stop();
065                
066                log.info("UDP channel 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 channel on port * (any available port) and connected to %s...", address);
075                else
076                        log.info("Creating UDP channel on port %d and connected to %s...", port, address);
077
078                try {
079                        DatagramChannel channel = DatagramChannel.open();
080                        channel.socket().setSendBufferSize(factory.getSendBufferSize());
081                        if (port != 0)
082                                channel.socket().setReuseAddress(true);
083                        channel.socket().bind(new InetSocketAddress(port));
084                        channel.connect(address);
085
086                        log.info("UDP channel bound to port %d and connected to %s", channel.socket().getLocalPort(), channel.socket().getRemoteSocketAddress());
087                        
088                        return new UdpNIOChannel(this, gravityChannel, channel);
089                }
090                catch (Exception e) {
091                        throw new RuntimeException("Could not create data channel on port: " + port, e);
092                }
093        }
094}