//
// ========================================================================
// 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.jsr356.server;
import java.net.URI;
import java.util.Arrays;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.websocket.ClientEndpointConfig;
import javax.websocket.ContainerProvider;
import javax.websocket.Endpoint;
import javax.websocket.EndpointConfig;
import javax.websocket.Extension;
import javax.websocket.MessageHandler;
import javax.websocket.SendHandler;
import javax.websocket.SendResult;
import javax.websocket.Session;
import javax.websocket.WebSocketContainer;
import javax.websocket.server.ServerEndpointConfig;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.websocket.api.extensions.ExtensionFactory;
import org.eclipse.jetty.websocket.api.extensions.OutgoingFrames;
import org.eclipse.jetty.websocket.client.io.WebSocketClientConnection;
import org.eclipse.jetty.websocket.common.extensions.ExtensionStack;
import org.eclipse.jetty.websocket.common.extensions.compress.DeflateFrameExtension;
import org.eclipse.jetty.websocket.jsr356.JsrExtension;
import org.eclipse.jetty.websocket.jsr356.JsrSession;
import org.eclipse.jetty.websocket.jsr356.server.deploy.WebSocketServerContainerInitializer;
import org.eclipse.jetty.websocket.jsr356.server.samples.echo.BasicEchoEndpoint;
import org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter;
import org.junit.After;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Test;
public class ExtensionStackProcessingTest
{
private Server server;
private ServerConnector connector;
private ExtensionFactory serverExtensionFactory;
private WebSocketContainer client;
@Before
public void prepare() throws Exception
{
server = new Server();
connector = new ServerConnector(server);
server.addConnector(connector);
ServletContextHandler context = new ServletContextHandler(server, "/", true, false);
ServerContainer container = WebSocketServerContainerInitializer.configureContext(context);
WebSocketUpgradeFilter filter = (WebSocketUpgradeFilter)context.getAttribute(WebSocketUpgradeFilter.class.getName());
serverExtensionFactory = filter.getFactory().getExtensionFactory();
ServerEndpointConfig config = ServerEndpointConfig.Builder.create(BasicEchoEndpoint.class, "/").build();
container.addEndpoint(config);
client = ContainerProvider.getWebSocketContainer();
server.addBean(client, true);
server.start();
}
@After
public void dispose() throws Exception
{
server.stop();
}
@Test
public void testDeflateFrameExtension() throws Exception
{
Assume.assumeTrue("Server has deflate-frame extension registered",serverExtensionFactory.isAvailable("deflate-frame"));
ClientEndpointConfig config = ClientEndpointConfig.Builder.create()
.extensions(Arrays.<Extension>asList(new JsrExtension("deflate-frame")))
.build();
final String content = "deflate_me";
final CountDownLatch messageLatch = new CountDownLatch(1);
URI uri = URI.create("ws://localhost:" + connector.getLocalPort());
Session session = client.connectToServer(new EndpointAdapter()
{
@Override
public void onMessage(String message)
{
Assert.assertEquals(content, message);
messageLatch.countDown();
}
}, config, uri);
// Make sure everything is wired properly.
OutgoingFrames firstOut = ((JsrSession)session).getOutgoingHandler();
Assert.assertTrue(firstOut instanceof ExtensionStack);
ExtensionStack extensionStack = (ExtensionStack)firstOut;
Assert.assertTrue(extensionStack.isRunning());
OutgoingFrames secondOut = extensionStack.getNextOutgoing();
Assert.assertTrue(secondOut instanceof DeflateFrameExtension);
DeflateFrameExtension deflateExtension = (DeflateFrameExtension)secondOut;
Assert.assertTrue(deflateExtension.isRunning());
OutgoingFrames thirdOut = deflateExtension.getNextOutgoing();
Assert.assertTrue(thirdOut instanceof WebSocketClientConnection);
final CountDownLatch latch = new CountDownLatch(1);
session.getAsyncRemote().sendText(content, new SendHandler()
{
@Override
public void onResult(SendResult result)
{
latch.countDown();
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
Assert.assertTrue(messageLatch.await(5, TimeUnit.SECONDS));
}
@Test
public void testPerMessageDeflateExtension() throws Exception
{
Assume.assumeTrue("Server has permessage-deflate extension registered",serverExtensionFactory.isAvailable("permessage-deflate"));
ClientEndpointConfig config = ClientEndpointConfig.Builder.create()
.extensions(Arrays.<Extension>asList(new JsrExtension("permessage-deflate")))
.build();
final String content = "deflate_me";
final CountDownLatch messageLatch = new CountDownLatch(1);
URI uri = URI.create("ws://localhost:" + connector.getLocalPort());
Session session = client.connectToServer(new EndpointAdapter()
{
@Override
public void onMessage(String message)
{
Assert.assertEquals(content, message);
messageLatch.countDown();
}
}, config, uri);
final CountDownLatch latch = new CountDownLatch(1);
session.getAsyncRemote().sendText(content, new SendHandler()
{
@Override
public void onResult(SendResult result)
{
latch.countDown();
}
});
Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
Assert.assertTrue(messageLatch.await(5, TimeUnit.SECONDS));
}
private static abstract class EndpointAdapter extends Endpoint implements MessageHandler.Whole<String>
{
@Override
public void onOpen(Session session, EndpointConfig config)
{
session.addMessageHandler(this);
}
}
}