/*
* 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 net.jxta.socket;
import net.jxta.document.AdvertisementFactory;
import net.jxta.exception.PeerGroupException;
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 java.io.*;
import java.net.Socket;
import java.net.URI;
import java.text.MessageFormat;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import net.jxta.credential.Credential;
import net.jxta.protocol.PeerAdvertisement;
/**
* 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 extends TestCase {
public final static PipeID SOCKET_ID = PipeID.create(URI.create("urn:jxta:uuid-59616261646162614E5047205032503393B5C2F6CA7A41FBB0F890173088E79404"));
private static transient NetworkManager manager = null;
private static transient PeerGroup netPeerGroup = null;
private static transient JxtaServerSocket serverSocket = null;
private static boolean closed = false;
public SocketServer() throws IOException, PeerGroupException {
synchronized (SocketServer.class) {
try {
if(null == manager) {
manager = new NetworkManager(NetworkManager.ConfigMode.ADHOC, "SocketServer", new File(new File(".cache"), "SocketServer").toURI());
manager.startNetwork();
netPeerGroup = manager.getNetPeerGroup();
}
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
}
}
public static PipeAdvertisement getSocketAdvertisement() {
PipeAdvertisement advertisement = (PipeAdvertisement)
AdvertisementFactory.newAdvertisement(PipeAdvertisement.getAdvertisementType());
advertisement.setPipeID(SOCKET_ID);
advertisement.setType(PipeService.UnicastType);
advertisement.setName("Socket tutorial");
return advertisement;
}
/**
* wait for connections
*/
public void acceptHandler() {
}
private class ConnectionHandler implements Runnable {
Socket socket = null;
ConnectionHandler(Socket socket) {
this.socket = socket;
}
/**
* Sends data over socket
*
* @param socket Description of the Parameter
*/
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();
if(0 == iterations) {
closed = true;
serverSocket.close();
}
long total = iterations * (long) size * 2;
System.out.println(MessageFormat.format("Sending/Receiving {0} bytes.", total));
long current = 0;
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);
}
}
public void testServerSocket() {
try {
SocketServer socEx = new SocketServer();
System.out.println("Starting ServerSocket");
FaultyJxtaServerSocket.loss = 0.05;
FaultyJxtaServerSocket.delay = 0.5;
serverSocket = new FaultyJxtaServerSocket(netPeerGroup, getSocketAdvertisement(), 10);
serverSocket.setSoTimeout(0);
while (!closed) {
try {
System.out.println("Waiting for connections");
Socket socket = serverSocket.accept();
// set reliable
if (socket != null) {
System.out.println("socket created");
Thread thread = new Thread(new ConnectionHandler(socket), "Connection Handler Thread");
thread.setDaemon(true);
thread.start();
}
} catch (Exception e) {
e.printStackTrace();
}
}
} catch (Throwable e) {
System.err.println("Failed : " + e);
e.printStackTrace(System.err);
System.exit(-1);
}
}
/**
* Just like a JxtaServerSocket, but faulty.
*/
private static class FaultyJxtaServerSocket extends JxtaServerSocket {
static volatile double loss = 0.0;
static volatile double delay = 0.0;
FaultyJxtaServerSocket(PeerGroup group, PipeAdvertisement pipeAdv, int backlog) throws IOException {
super(group, pipeAdv, backlog);
}
protected JxtaSocket makeEphemeralSocket(PeerGroup group, PipeAdvertisement pipeAdv, PipeAdvertisement itsEphemeralPipeAdv, PeerAdvertisement itsPeerAdv, Credential myCredential, Credential credential, boolean isReliable) throws IOException {
synchronized (SocketClient.class) {
SocketClient.FaultyJxtaSocket.loss = loss;
SocketClient.FaultyJxtaSocket.delay = delay;
return new SocketClient.FaultyJxtaSocket(group, pipeAdv, itsEphemeralPipeAdv, itsPeerAdv, myCredential, credential, isReliable);
}
}
}
@Override
protected void finalize() {
synchronized (SocketServer.class) {
if (null != manager) {
manager.stopNetwork();
manager = null;
}
}
}
public static void main(java.lang.String[] args) {
Thread.currentThread().setName(SocketServer.class.getName() + ".main()");
try {
junit.textui.TestRunner.run(suite());
} finally {
synchronized (SocketServer.class) {
if (null != manager) {
manager.stopNetwork();
manager = null;
}
}
System.err.flush();
System.out.flush();
}
}
public static Test suite() {
TestSuite suite = new TestSuite(SocketServer.class);
return suite;
}
}