//
// ========================================================================
// Copyright (c) 1995-2014 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.client;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Queue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.util.BufferUtil;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.websocket.common.CloseInfo;
import org.eclipse.jetty.websocket.common.OpCode;
import org.eclipse.jetty.websocket.common.WebSocketFrame;
import org.eclipse.jetty.websocket.common.test.BlockheadServer.ServerConnection;
import org.junit.Assert;
import static org.hamcrest.Matchers.is;
public class ServerReadThread extends Thread
{
private static final int BUFFER_SIZE = 8192;
private static final Logger LOG = Log.getLogger(ServerReadThread.class);
private final ServerConnection conn;
private boolean active = true;
private int slowness = -1; // disabled is default
private final AtomicInteger frameCount = new AtomicInteger();
private final CountDownLatch expectedMessageCount;
public ServerReadThread(ServerConnection conn, int expectedMessages)
{
this.conn = conn;
this.expectedMessageCount = new CountDownLatch(expectedMessages);
}
public void cancel()
{
active = false;
}
public int getFrameCount()
{
return frameCount.get();
}
public int getSlowness()
{
return slowness;
}
@Override
public void run()
{
ByteBufferPool bufferPool = conn.getBufferPool();
ByteBuffer buf = bufferPool.acquire(BUFFER_SIZE,false);
BufferUtil.clearToFill(buf);
try
{
while (active)
{
BufferUtil.clearToFill(buf);
int len = conn.read(buf);
if (len > 0)
{
LOG.debug("Read {} bytes",len);
BufferUtil.flipToFlush(buf,0);
conn.getParser().parse(buf);
}
Queue<WebSocketFrame> frames = conn.getIncomingFrames().getFrames();
WebSocketFrame frame;
while ((frame = frames.poll()) != null)
{
frameCount.incrementAndGet();
if (frame.getOpCode() == OpCode.CLOSE)
{
active = false;
// automatically response to close frame
CloseInfo close = new CloseInfo(frame);
conn.close(close.getStatusCode());
}
expectedMessageCount.countDown();
}
if (slowness > 0)
{
TimeUnit.MILLISECONDS.sleep(getSlowness());
}
}
}
catch (IOException | InterruptedException e)
{
LOG.warn(e);
}
finally
{
bufferPool.release(buf);
}
}
public void setSlowness(int slowness)
{
this.slowness = slowness;
}
public void waitForExpectedMessageCount(int timeoutDuration, TimeUnit timeoutUnit) throws InterruptedException
{
Assert.assertThat("Expected Message Count attained",expectedMessageCount.await(timeoutDuration,timeoutUnit),is(true));
}
}