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//
// ========================================================================
// Copyright (c) 1995-2016 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.io;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.channels.SelectionKey;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import org.eclipse.jetty.toolchain.test.annotation.Slow;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.thread.QueuedThreadPool;
import org.eclipse.jetty.util.thread.TimerScheduler;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class SelectorManagerTest
{
private QueuedThreadPool executor = new QueuedThreadPool();
private TimerScheduler scheduler = new TimerScheduler();
@Before
public void prepare() throws Exception
{
executor.start();
scheduler.start();
}
@After
public void dispose() throws Exception
{
scheduler.stop();
executor.stop();
}
@Slow
@Test
public void testConnectTimeoutBeforeSuccessfulConnect() throws Exception
{
ServerSocketChannel server = ServerSocketChannel.open();
server.bind(new InetSocketAddress("localhost", 0));
SocketAddress address = server.getLocalAddress();
final AtomicLong timeoutConnection = new AtomicLong();
final long connectTimeout = 1000;
SelectorManager selectorManager = new SelectorManager(executor, scheduler)
{
@Override
protected EndPoint newEndPoint(SocketChannel channel, ManagedSelector selector, SelectionKey selectionKey) throws IOException
{
return new SelectChannelEndPoint(channel, selector, selectionKey, getScheduler(), connectTimeout / 2);
}
@Override
protected boolean finishConnect(SocketChannel channel) throws IOException
{
try
{
long timeout = timeoutConnection.get();
if (timeout > 0)
TimeUnit.MILLISECONDS.sleep(timeout);
return super.finishConnect(channel);
}
catch (InterruptedException e)
{
return false;
}
}
@Override
public Connection newConnection(SocketChannel channel, EndPoint endpoint, Object attachment) throws IOException
{
((Callback)attachment).succeeded();
return new AbstractConnection(endpoint, executor)
{
@Override
public void onFillable()
{
}
};
}
@Override
protected void connectionFailed(SocketChannel channel, Throwable ex, Object attachment)
{
((Callback)attachment).failed(ex);
}
};
selectorManager.setConnectTimeout(connectTimeout);
selectorManager.start();
try
{
SocketChannel client1 = SocketChannel.open();
client1.configureBlocking(false);
client1.connect(address);
long timeout = connectTimeout * 2;
timeoutConnection.set(timeout);
final CountDownLatch latch1 = new CountDownLatch(1);
selectorManager.connect(client1, new Callback()
{
@Override
public void failed(Throwable x)
{
latch1.countDown();
}
});
Assert.assertTrue(latch1.await(connectTimeout * 3, TimeUnit.MILLISECONDS));
Assert.assertFalse(client1.isOpen());
// Wait for the first connect to finish, as the selector thread is waiting in finishConnect().
Thread.sleep(timeout);
// Verify that after the failure we can connect successfully.
try (SocketChannel client2 = SocketChannel.open())
{
client2.configureBlocking(false);
client2.connect(address);
timeoutConnection.set(0);
final CountDownLatch latch2 = new CountDownLatch(1);
selectorManager.connect(client2, new Callback()
{
@Override
public void succeeded()
{
latch2.countDown();
}
});
Assert.assertTrue(latch2.await(connectTimeout * 5, TimeUnit.MILLISECONDS));
Assert.assertTrue(client2.isOpen());
}
}
finally
{
selectorManager.stop();
}
}
}
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