| // |
| // ======================================================================== |
| // 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.io; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import java.nio.channels.SelectableChannel; |
| 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(SelectableChannel channel, ManagedSelector selector, SelectionKey key) throws IOException |
| { |
| SocketChannelEndPoint endp = new SocketChannelEndPoint(channel, selector, key, getScheduler()); |
| endp.setIdleTimeout(connectTimeout/2); |
| return endp; |
| } |
| |
| @Override |
| protected boolean doFinishConnect(SelectableChannel channel) throws IOException |
| { |
| try |
| { |
| long timeout = timeoutConnection.get(); |
| if (timeout > 0) |
| TimeUnit.MILLISECONDS.sleep(timeout); |
| return super.doFinishConnect(channel); |
| } |
| catch (InterruptedException e) |
| { |
| return false; |
| } |
| } |
| |
| @Override |
| public Connection newConnection(SelectableChannel channel, EndPoint endpoint, Object attachment) throws IOException |
| { |
| ((Callback)attachment).succeeded(); |
| return new AbstractConnection(endpoint, executor) |
| { |
| @Override |
| public void onFillable() |
| { |
| } |
| }; |
| } |
| |
| @Override |
| protected void connectionFailed(SelectableChannel 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(); |
| } |
| } |
| } |