/* * Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved. * * The Sun Project JXTA(TM) Software License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The end-user documentation included with the redistribution, if any, must * include the following acknowledgment: "This product includes software * developed by Sun Microsystems, Inc. for JXTA(TM) technology." * Alternately, this acknowledgment may appear in the software itself, if * and wherever such third-party acknowledgments normally appear. * * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must * not be used to endorse or promote products derived from this software * without prior written permission. For written permission, please contact * Project JXTA at http://www.jxta.org. * * 5. Products derived from this software may not be called "JXTA", nor may * "JXTA" appear in their name, without prior written permission of Sun. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 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For more information on Project JXTA, please see * http://www.jxta.org. * * This license is based on the BSD license adopted by the Apache Foundation. */ package tutorial.multicast; import net.jxta.document.AdvertisementFactory; import net.jxta.id.IDFactory; import net.jxta.peergroup.PeerGroup; import net.jxta.pipe.PipeID; import net.jxta.pipe.PipeService; import net.jxta.platform.NetworkManager; import net.jxta.protocol.PipeAdvertisement; import net.jxta.socket.JxtaMulticastSocket; import java.io.File; import java.io.IOException; import java.net.DatagramPacket; import java.net.URI; import java.net.URISyntaxException; /** * Simple example to illustrate the use of JxtaMulticastSocket */ public class JxtaMulticastSocketServer { private static PeerGroup netPeerGroup = null; public final static String SOCKETIDSTR = "urn:jxta:uuid-59616261646162614E5047205032503393B5C2F6CA7A41FDB0F890173088E79404"; /** * Creates a Socket Pipe Advertisement with the pre-defined pipe ID * * @return a socket PipeAdvertisement */ public static PipeAdvertisement getSocketAdvertisement() { PipeID socketID = null; try { socketID = (PipeID) IDFactory.fromURI(new URI(SOCKETIDSTR)); } catch (URISyntaxException use) { use.printStackTrace(); } PipeAdvertisement advertisement = (PipeAdvertisement) AdvertisementFactory.newAdvertisement(PipeAdvertisement.getAdvertisementType()); advertisement.setPipeID(socketID); // set to type to propagate advertisement.setType(PipeService.PropagateType); advertisement.setName("Socket tutorial"); return advertisement; } /** * main * * @param args command line args */ public static void main(String args[]) { // Configures the JXTA platform net.jxta.platform.NetworkManager manager = null; try { manager = new net.jxta.platform.NetworkManager(NetworkManager.ConfigMode.ADHOC, "JxtaMulticastSocketServer", new File(new File(".cache"), "JxtaMulticastSocketServer").toURI()); manager.startNetwork(); } catch (Exception e) { e.printStackTrace(); System.exit(-1); } System.out.println("Creating JxtaMulticastSocket"); JxtaMulticastSocket mcastSocket = null; try { mcastSocket = new JxtaMulticastSocket(manager.getNetPeerGroup(), getSocketAdvertisement()); System.out.println("LocalAddress :" + mcastSocket.getLocalAddress()); System.out.println("LocalSocketAddress :" + mcastSocket.getLocalSocketAddress()); } catch (IOException e) { e.printStackTrace(); System.exit(-1); } byte[] buffer = new byte[16384]; String ten4 = "Ten 4"; DatagramPacket packet = new DatagramPacket(buffer, buffer.length); try { // wait for a datagram. The following can be put into a loop mcastSocket.receive(packet); String sw = new String(packet.getData(), 0, packet.getLength()); System.out.println("Received data from :" + packet.getAddress()); System.out.println(sw); // unicast back a response back to the remote DatagramPacket res = new DatagramPacket(ten4.getBytes(), ten4.length()); res.setAddress(packet.getAddress()); mcastSocket.send(res); } catch (IOException e) { e.printStackTrace(); } } }