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// ========================================================================
// Copyright 2011-2012 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
//========================================================================
package org.eclipse.jetty.websocket.server;
import static org.junit.Assert.*;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.lang.management.ManagementFactory;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import junit.framework.Assert;
import org.eclipse.jetty.io.AsyncEndPoint;
import org.eclipse.jetty.server.SelectChannelConnector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.DefaultHandler;
import org.eclipse.jetty.util.thread.QueuedThreadPool;
import org.eclipse.jetty.websocket.api.WebSocketBehavior;
import org.eclipse.jetty.websocket.api.WebSocketException;
import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.eclipse.jetty.websocket.io.IncomingFrames;
import org.eclipse.jetty.websocket.protocol.Generator;
import org.eclipse.jetty.websocket.protocol.Parser;
import org.eclipse.jetty.websocket.protocol.WebSocketFrame;
import org.eclipse.jetty.websocket.server.examples.MyEchoSocket;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
public class WebSocketLoadRFC6455Test
{
private class WebSocketClient implements Runnable
{
private final Socket socket;
private final BufferedWriter output;
private final BufferedReader input;
private final int iterations;
private final CountDownLatch latch;
private/* final */AsyncEndPoint _endp;
private final Generator _generator;
private final Parser _parser;
private final IncomingFrames _handler = new IncomingFrames()
{
/*
* public void close(int code,String message) { }
*
* public void onFrame(byte flags, byte opcode, ByteBuffer buffer) { _response=buffer; }
*/
@Override
public void incoming(WebSocketException e)
{
// TODO Auto-generated method stub
}
@Override
public void incoming(WebSocketFrame frame)
{
// TODO Auto-generated method stub
}
};
private volatile ByteBuffer _response;
public WebSocketClient(String host, int port, int readTimeout, CountDownLatch latch, int iterations) throws IOException
{
this.latch = latch;
socket = new Socket(host,port);
socket.setSoTimeout(readTimeout);
output = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"ISO-8859-1"));
input = new BufferedReader(new InputStreamReader(socket.getInputStream(),"ISO-8859-1"));
this.iterations = iterations;
WebSocketPolicy policy = new WebSocketPolicy(WebSocketBehavior.CLIENT);
// _endp=new SocketEndPoint(socket);
_generator = new UnitGenerator();
_parser = new Parser(policy);
}
public void close() throws IOException
{
socket.close();
}
private void open() throws IOException
{
output.write("GET /chat HTTP/1.1\r\n" + "Host: server.example.com\r\n" + "Upgrade: websocket\r\n" + "Connection: Upgrade\r\n"
+ "Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n" + "Sec-WebSocket-Origin: http://example.com\r\n"
+ "Sec-WebSocket-Protocol: onConnect\r\n" + "Sec-WebSocket-Version: 7\r\n" + "\r\n");
output.flush();
String responseLine = input.readLine();
assertTrue(responseLine.startsWith("HTTP/1.1 101 Switching Protocols"));
// Read until we find an empty line, which signals the end of the http response
String line;
while ((line = input.readLine()) != null)
{
if (line.length() == 0)
{
break;
}
}
}
@Override
public void run()
{
try
{
String message = "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF";
for (int i = 0; i < iterations; ++i)
{
WebSocketFrame txt = WebSocketFrame.text(message);
ByteBuffer buf = _generator.generate(txt);
// TODO: Send it
// TODO: Receive response
Assert.assertEquals(message,_response.toString());
latch.countDown();
}
}
catch (Throwable x)
{
throw new RuntimeException(x);
}
}
}
private static Server _server;
private static SelectChannelConnector _connector;
@BeforeClass
public static void startServer() throws Exception
{
QueuedThreadPool threadPool = new QueuedThreadPool(200);
threadPool.setMaxStopTimeMs(1000);
_server = new Server(threadPool);
_connector = new SelectChannelConnector(_server);
_server.addConnector(_connector);
WebSocketHandler wsHandler = new WebSocketHandler.Simple(MyEchoSocket.class);
wsHandler.setHandler(new DefaultHandler());
_server.setHandler(wsHandler);
_server.start();
}
@AfterClass
public static void stopServer() throws Exception
{
_server.stop();
_server.join();
}
@Test
@Ignore("Not yet converted to new jetty-9 structure")
public void testLoad() throws Exception
{
int count = 50;
int iterations = 100;
ExecutorService threadPool = Executors.newCachedThreadPool();
try
{
CountDownLatch latch = new CountDownLatch(count * iterations);
WebSocketClient[] clients = new WebSocketClient[count];
for (int i = 0; i < clients.length; ++i)
{
clients[i] = new WebSocketClient("localhost",_connector.getLocalPort(),1000,latch,iterations);
clients[i].open();
}
// long start = System.nanoTime();
for (WebSocketClient client : clients)
{
threadPool.execute(client);
}
int parallelism = ManagementFactory.getOperatingSystemMXBean().getAvailableProcessors();
long maxTimePerIteration = 5;
assertTrue(latch.await(iterations * ((count / parallelism) + 1) * maxTimePerIteration,TimeUnit.MILLISECONDS));
// long end = System.nanoTime();
// System.err.println("Elapsed: " + TimeUnit.NANOSECONDS.toMillis(end - start) + " ms");
for (WebSocketClient client : clients)
{
client.close();
}
}
finally
{
threadPool.shutdown();
assertTrue(threadPool.awaitTermination(2,TimeUnit.SECONDS));
}
}
}
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