/* * 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.peergroup.PeerGroup; import net.jxta.platform.NetworkManager; import net.jxta.protocol.PipeAdvertisement; import net.jxta.socket.JxtaSocket; import java.io.*; import java.util.Arrays; import java.text.MessageFormat; /** * This tutorial illustrates the use JxtaSocket. It attempts to bind a * JxtaSocket to an instance of JxtaServerSocket bound socket.adv. * <p/> * Once a connection is established data is exchanged with the server. * The client will identify how many ITERATIONS of PAYLOADSIZE buffers will be * exchanged with the server and then write and read those buffers. */ public class SocketClient { /** * number of runs to make */ private final static long RUNS = 8; /** * number of iterations to send the payload */ private final static long ITERATIONS = 1000; /** * payload size */ private final static int PAYLOADSIZE = 64 * 1024; private transient NetworkManager manager = null; private transient PeerGroup netPeerGroup = null; private transient PipeAdvertisement pipeAdv; private transient boolean waitForRendezvous = false; public SocketClient(boolean waitForRendezvous) { try { manager = new NetworkManager(NetworkManager.ConfigMode.ADHOC, "SocketClient", new File(new File(".cache"), "SocketClient").toURI()); manager.startNetwork(); } catch (Exception e) { e.printStackTrace(); System.exit(-1); } netPeerGroup = manager.getNetPeerGroup(); pipeAdv = SocketServer.createSocketAdvertisement(); if (waitForRendezvous) { manager.waitForRendezvousConnection(0); } } /** * Interact with the server. */ public void run() { try { if (waitForRendezvous) { manager.waitForRendezvousConnection(0); } long start = System.currentTimeMillis(); System.out.println("Connecting to the server"); JxtaSocket socket = new JxtaSocket(netPeerGroup, // no specific peerid null, pipeAdv, // connection timeout: 5 seconds 5000, // reliable connection true); // get the socket output stream OutputStream out = socket.getOutputStream(); DataOutput dos = new DataOutputStream(out); // get the socket input stream InputStream in = socket.getInputStream(); DataInput dis = new DataInputStream(in); long total = ITERATIONS * (long) PAYLOADSIZE * 2; System.out.println("Sending/Receiving " + total + " bytes."); dos.writeLong(ITERATIONS); dos.writeInt(PAYLOADSIZE); long current = 0; while (current < ITERATIONS) { byte[] out_buf = new byte[PAYLOADSIZE]; byte[] in_buf = new byte[PAYLOADSIZE]; Arrays.fill(out_buf, (byte) current); out.write(out_buf); out.flush(); dis.readFully(in_buf); assert Arrays.equals(in_buf, out_buf); current++; } out.close(); in.close(); long finish = System.currentTimeMillis(); long elapsed = finish - start; System.out.println(MessageFormat.format("EOT. Processed {0} bytes in {1} ms. Throughput = {2} KB/sec.", total, elapsed, (total / elapsed) * 1000 / 1024)); socket.close(); System.out.println("Socket connection closed"); } catch (IOException io) { io.printStackTrace(); } } private void stop() { manager.stopNetwork(); } /** * If the java property RDVWAIT set to true then this demo * will wait until a rendezvous connection is established before * initiating a connection * * @param args none recognized. */ 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(SocketClient.class.getName() + ".main()"); String value = System.getProperty("RDVWAIT", "false"); boolean waitForRendezvous = Boolean.valueOf(value); SocketClient socEx = new SocketClient(waitForRendezvous); for (int i = 1; i <= RUNS; i++) { System.out.println("Run #" + i); socEx.run(); } socEx.stop(); } catch (Throwable e) { System.out.flush(); System.err.println("Failed : " + e); e.printStackTrace(System.err); System.exit(-1); } } }