/* * Copyright (c) 2006-2007 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. IN NO EVENT SHALL SUN * MICROSYSTEMS 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. * * JXTA is a registered trademark of Sun Microsystems, Inc. in the United * States and other countries. * * Please see the license information page at : * <http://www.jxta.org/project/www/license.html> for instructions on use of * the license in source files. * * ==================================================================== * * This software consists of voluntary contributions made by many individuals * on behalf of Project JXTA. 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.socket; import net.jxta.document.AdvertisementFactory; import net.jxta.exception.PeerGroupException; 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.JxtaServerSocket; import java.io.DataInput; import java.io.DataInputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; import java.net.URI; import java.net.URISyntaxException; import java.text.MessageFormat; /** * This tutorial illustrates the use JxtaServerSocket It creates a * JxtaServerSocket with a back log of 10. it also blocks indefinitely, until a * connection is established. * <p/> * Once a connection is established data is exchanged with the initiator. * The initiator will provide an iteration count and buffer size. The peers will * then read and write buffers. (or write and read for the initiator). */ public class SocketServer { private transient PeerGroup netPeerGroup = null; public final static String SOCKETIDSTR = "urn:jxta:uuid-59616261646162614E5047205032503393B5C2F6CA7A41FBB0F890173088E79404"; public SocketServer() throws IOException, PeerGroupException { NetworkManager manager = new NetworkManager(NetworkManager.ConfigMode.ADHOC, "SocketServer", new File(new File(".cache"), "SocketServer").toURI()); manager.startNetwork(); netPeerGroup = manager.getNetPeerGroup(); } public static PipeAdvertisement createSocketAdvertisement() { 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); advertisement.setType(PipeService.UnicastType); advertisement.setName("Socket tutorial"); return advertisement; } /** * Wait for connections */ public void run() { System.out.println("Starting ServerSocket"); JxtaServerSocket serverSocket = null; try { serverSocket = new JxtaServerSocket(netPeerGroup, createSocketAdvertisement(), 10); serverSocket.setSoTimeout(0); } catch (IOException e) { System.out.println("failed to create a server socket"); e.printStackTrace(); System.exit(-1); } while (true) { try { System.out.println("Waiting for connections"); Socket socket = serverSocket.accept(); if (socket != null) { System.out.println("New socket connection accepted"); Thread thread = new Thread(new ConnectionHandler(socket), "Connection Handler Thread"); thread.start(); } } catch (Exception e) { e.printStackTrace(); } } } private class ConnectionHandler implements Runnable { Socket socket = null; ConnectionHandler(Socket socket) { this.socket = socket; } /** * Sends data over socket * * @param socket the socket */ private void sendAndReceiveData(Socket socket) { try { long start = System.currentTimeMillis(); // get the socket output stream OutputStream out = socket.getOutputStream(); // get the socket input stream InputStream in = socket.getInputStream(); DataInput dis = new DataInputStream(in); long iterations = dis.readLong(); int size = dis.readInt(); long total = iterations * size * 2L; long current = 0; System.out.println(MessageFormat.format("Sending/Receiving {0} bytes.", total)); while (current < iterations) { byte[] buf = new byte[size]; dis.readFully(buf); out.write(buf); out.flush(); current++; } out.close(); in.close(); long finish = System.currentTimeMillis(); long elapsed = finish - start; System.out.println(MessageFormat.format("EOT. Received {0} bytes in {1} ms. Throughput = {2} KB/sec.", total, elapsed, (total / elapsed) * 1000 / 1024)); socket.close(); System.out.println("Connection closed"); } catch (Exception ie) { ie.printStackTrace(); } } public void run() { sendAndReceiveData(socket); } } /** * main * * @param args command line args */ public static void main(String args[]) { /* System.setProperty("net.jxta.logging.Logging", "FINEST"); System.setProperty("net.jxta.level", "FINEST"); System.setProperty("java.util.logging.config.file", "logging.properties"); */ try { Thread.currentThread().setName(SocketServer.class.getName() + ".main()"); SocketServer socEx = new SocketServer(); socEx.run(); } catch (Throwable e) { System.err.println("Failed : " + e); e.printStackTrace(System.err); System.exit(-1); } } }