/* * Copyright (c) 2010 DawningStreams, Inc. All rights reserved. * * 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 DawningStreams, Inc." * Alternately, this acknowledgment may appear in the software itself, if * and wherever such third-party acknowledgments normally appear. * * 4. The name "DawningStreams,Inc." must not be used to endorse or promote * products derived from this software without prior written permission. * For written permission, please contact DawningStreams,Inc. at * http://www.dawningstreams.com. * * 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. IN NO EVENT SHALL * DAWNINGSTREAMS, INC OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * DawningStreams is a registered trademark of DawningStreams, Inc. in the United * States and other countries. * */ package Examples.J_JXTA_Multicast_Socket; import Examples.Z_Tools_And_Others.Tools; import java.io.File; import java.io.IOException; import java.net.DatagramPacket; import net.jxta.document.AdvertisementFactory; import net.jxta.exception.PeerGroupException; import net.jxta.id.IDFactory; import net.jxta.peer.PeerID; import net.jxta.peergroup.PeerGroup; import net.jxta.peergroup.PeerGroupID; import net.jxta.pipe.PipeID; import net.jxta.pipe.PipeService; import net.jxta.platform.NetworkConfigurator; import net.jxta.platform.NetworkManager; import net.jxta.protocol.PipeAdvertisement; import net.jxta.socket.JxtaMulticastSocket; public class RendezVous_Hans_A_Multicast_Participant { // Static attributes public static final String Name = "RendezVous Hans, a JXTA multicast socket participant"; public static final int TcpPort = 9731; public static final PeerID PID = IDFactory.newPeerID(PeerGroupID.defaultNetPeerGroupID, Name.getBytes()); public static final File ConfigurationFile = new File("." + System.getProperty("file.separator") + Name); public static PipeAdvertisement GetPipeAdvertisement() { // Creating a Pipe Advertisement PipeAdvertisement MyPipeAdvertisement = (PipeAdvertisement) AdvertisementFactory.newAdvertisement(PipeAdvertisement.getAdvertisementType()); PipeID MyPipeID = IDFactory.newPipeID(PeerGroupID.defaultNetPeerGroupID, Name.getBytes()); MyPipeAdvertisement.setPipeID(MyPipeID); MyPipeAdvertisement.setType(PipeService.PropagateType); MyPipeAdvertisement.setName("Test Multicast"); MyPipeAdvertisement.setDescription("Created by " + Name); return MyPipeAdvertisement; } public static void main(String[] args) { try { // Removing any existing configuration? Tools.CheckForExistingConfigurationDeletion(Name, ConfigurationFile); // Creation of network manager NetworkManager MyNetworkManager = new NetworkManager(NetworkManager.ConfigMode.RENDEZVOUS, Name, ConfigurationFile.toURI()); // Retrieving the network configurator NetworkConfigurator MyNetworkConfigurator = MyNetworkManager.getConfigurator(); // Setting more configuration MyNetworkConfigurator.setTcpPort(TcpPort); MyNetworkConfigurator.setTcpEnabled(true); MyNetworkConfigurator.setTcpIncoming(true); MyNetworkConfigurator.setTcpOutgoing(true); Tools.CheckForMulticastUsage(Name, MyNetworkConfigurator); // Setting the Peer ID Tools.PopInformationMessage(Name, "Setting the peer ID to :\n\n" + PID.toString()); MyNetworkConfigurator.setPeerID(PID); // Starting the JXTA network Tools.PopInformationMessage(Name, "Start the JXTA network"); PeerGroup NetPeerGroup = MyNetworkManager.startNetwork(); // Waiting for other peers to connect to JXTA Tools.PopInformationMessage(Name, "Waiting for other peers to connect to JXTA"); // Creating the JXTA socket server JxtaMulticastSocket MyMulticastSocket = new JxtaMulticastSocket(NetPeerGroup, GetPipeAdvertisement()); Tools.PopInformationMessage(Name, "JXTA multicast socket created"); // Creating a datagram and sending it String Message = "Hello from " + Name; DatagramPacket MyDatagramPacket = new DatagramPacket(Message.getBytes(), Message.length()); Tools.PopInformationMessage(Name, "Multicasting following message:\n\n" + Message); MyMulticastSocket.send(MyDatagramPacket); // Sleeping a little (10 seconds) Tools.GoToSleep(10000); // Closing the JXTA socket MyMulticastSocket.close(); // Retrieving connected peers Tools.popConnectedPeers(NetPeerGroup.getRendezVousService(), Name); // Stopping the network Tools.PopInformationMessage(Name, "Stop the JXTA network"); MyNetworkManager.stopNetwork(); } catch (IOException Ex) { Tools.PopErrorMessage(Name, Ex.toString()); } catch (PeerGroupException Ex) { Tools.PopErrorMessage(Name, Ex.toString()); } } }