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//
// ========================================================================
// Copyright (c) 1995-2015 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.jsr356.server.browser;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.Random;
import javax.websocket.CloseReason;
import javax.websocket.OnClose;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.RemoteEndpoint.Async;
import javax.websocket.Session;
import javax.websocket.server.ServerEndpoint;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
@ServerEndpoint(value = "/", subprotocols = { "tool" }, configurator = JsrBrowserConfigurator.class)
public class JsrBrowserSocket
{
private static class WriteMany implements Runnable
{
private Async remote;
private int size;
private int count;
public WriteMany(Async remote, int size, int count)
{
this.remote = remote;
this.size = size;
this.count = count;
}
@Override
public void run()
{
char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-|{}[]():".toCharArray();
int lettersLen = letters.length;
char randomText[] = new char[size];
Random rand = new Random(42);
String msg;
for (int n = 0; n < count; n++)
{
// create random text
for (int i = 0; i < size; i++)
{
randomText[i] = letters[rand.nextInt(lettersLen)];
}
msg = String.format("ManyThreads [%s]",String.valueOf(randomText));
remote.sendText(msg);
}
}
}
private static final Logger LOG = Log.getLogger(JsrBrowserSocket.class);
private Session session;
private Async remote;
private String userAgent;
private String requestedExtensions;
@OnOpen
public void onOpen(Session session)
{
LOG.info("Open: {}",session);
this.session = session;
this.remote = session.getAsyncRemote();
this.userAgent = (String)session.getUserProperties().get("userAgent");
this.requestedExtensions = (String)session.getUserProperties().get("requestedExtensions");
}
@OnClose
public void onClose(CloseReason close)
{
LOG.info("Close: {}: {}",close.getCloseCode(),close.getReasonPhrase());
this.session = null;
}
@OnMessage
public void onMessage(String message)
{
LOG.info("onTextMessage({})",message);
int idx = message.indexOf(':');
if (idx > 0)
{
String key = message.substring(0,idx).toLowerCase(Locale.ENGLISH);
String val = message.substring(idx + 1);
switch (key)
{
case "info":
{
writeMessage("Using javax.websocket");
if (StringUtil.isBlank(userAgent))
{
writeMessage("Client has no User-Agent");
}
else
{
writeMessage("Client User-Agent: " + this.userAgent);
}
if (StringUtil.isBlank(requestedExtensions))
{
writeMessage("Client requested no Sec-WebSocket-Extensions");
}
else
{
writeMessage("Client Sec-WebSocket-Extensions: " + this.requestedExtensions);
}
break;
}
case "many":
{
String parts[] = StringUtil.csvSplit(val);
int size = Integer.parseInt(parts[0]);
int count = Integer.parseInt(parts[1]);
writeManyAsync(size,count);
break;
}
case "manythreads":
{
String parts[] = StringUtil.csvSplit(val);
int threadCount = Integer.parseInt(parts[0]);
int size = Integer.parseInt(parts[1]);
int count = Integer.parseInt(parts[2]);
Thread threads[] = new Thread[threadCount];
// Setup threads
for (int n = 0; n < threadCount; n++)
{
threads[n] = new Thread(new WriteMany(remote,size,count),"WriteMany[" + n + "]");
}
// Execute threads
for (Thread thread : threads)
{
thread.start();
}
// Drop out of this thread
break;
}
case "time":
{
Calendar now = Calendar.getInstance();
DateFormat sdf = SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.FULL,SimpleDateFormat.FULL);
writeMessage("Server time: %s",sdf.format(now.getTime()));
break;
}
default:
{
writeMessage("key[%s] val[%s]",key,val);
}
}
}
else
{
// Not parameterized, echo it back
writeMessage(message);
}
}
private void writeManyAsync(int size, int count)
{
char letters[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-|{}[]():".toCharArray();
int lettersLen = letters.length;
char randomText[] = new char[size];
Random rand = new Random(42);
for (int n = 0; n < count; n++)
{
// create random text
for (int i = 0; i < size; i++)
{
randomText[i] = letters[rand.nextInt(lettersLen)];
}
writeMessage("Many [%s]",String.valueOf(randomText));
}
}
private void writeMessage(String message)
{
if (this.session == null)
{
if (LOG.isDebugEnabled())
LOG.debug("Not connected");
return;
}
if (session.isOpen() == false)
{
if (LOG.isDebugEnabled())
LOG.debug("Not open");
return;
}
// Async write
remote.sendText(message);
}
private void writeMessage(String format, Object... args)
{
writeMessage(String.format(format,args));
}
}
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