/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.websockets.extensions;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpOneOnly;
import io.undertow.util.StringWriteChannelListener;
import io.undertow.websockets.WebSocketConnectionCallback;
import io.undertow.websockets.WebSocketExtension;
import io.undertow.websockets.WebSocketProtocolHandshakeHandler;
import io.undertow.websockets.client.WebSocketClient;
import io.undertow.websockets.client.WebSocketClientNegotiation;
import io.undertow.websockets.core.AbstractReceiveListener;
import io.undertow.websockets.core.BufferedBinaryMessage;
import io.undertow.websockets.core.BufferedTextMessage;
import io.undertow.websockets.core.StreamSinkFrameChannel;
import io.undertow.websockets.core.WebSocketChannel;
import io.undertow.websockets.core.WebSocketFrameType;
import io.undertow.websockets.core.WebSocketLogger;
import io.undertow.websockets.core.WebSocketVersion;
import io.undertow.websockets.core.WebSockets;
import io.undertow.websockets.spi.WebSocketHttpExchange;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.xnio.OptionMap;
import org.xnio.Options;
import org.xnio.Xnio;
import org.xnio.XnioWorker;
import java.io.IOException;
import java.net.URI;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import static io.undertow.Handlers.path;
/**
*
* A test class for WebSocket client scenarios with extensions.
*
* @author Lucas Ponce
*/
@HttpOneOnly
@RunWith(DefaultServer.class)
public class WebSocketExtensionBasicTestCase {
public static WebSocketProtocolHandshakeHandler webSocketDebugHandler() {
return new WebSocketProtocolHandshakeHandler(new WebSocketConnectionCallback() {
@Override
public void onConnect(final WebSocketHttpExchange exchange, final WebSocketChannel channel) {
WebSocketLogger.EXTENSION_LOGGER.info("onConnect() ");
channel.getReceiveSetter().set(new DebugExtensionsListener());
channel.resumeReceives();
}
});
}
@Test
public void testLongTextMessage() throws Exception {
XnioWorker client;
Xnio xnio = Xnio.getInstance(WebSocketExtensionBasicTestCase.class.getClassLoader());
client = xnio.createWorker(OptionMap.builder()
.set(Options.WORKER_IO_THREADS, 2)
.set(Options.CONNECTION_HIGH_WATER, 1000000)
.set(Options.CONNECTION_LOW_WATER, 1000000)
.set(Options.WORKER_TASK_CORE_THREADS, 30)
.set(Options.WORKER_TASK_MAX_THREADS, 30)
.set(Options.TCP_NODELAY, true)
.set(Options.CORK, true)
.getMap());
WebSocketProtocolHandshakeHandler handler = webSocketDebugHandler()
.addExtension(new PerMessageDeflateHandshake());
DebugExtensionsHeaderHandler debug = new DebugExtensionsHeaderHandler(handler);
DefaultServer.setRootHandler(path().addPrefixPath("/", debug));
final String SEC_WEBSOCKET_EXTENSIONS = "permessage-deflate; client_no_context_takeover; client_max_window_bits";
List<WebSocketExtension> extensionsList = WebSocketExtension.parse(SEC_WEBSOCKET_EXTENSIONS);
final WebSocketClientNegotiation negotiation = new WebSocketClientNegotiation(null, extensionsList);
Set<ExtensionHandshake> extensionHandshakes = new HashSet<>();
extensionHandshakes.add(new PerMessageDeflateHandshake(true));
final WebSocketChannel clientChannel = WebSocketClient.connect(client, null, DefaultServer.getBufferPool(), OptionMap.EMPTY, new URI(DefaultServer.getDefaultServerURL()), WebSocketVersion.V13, negotiation, extensionHandshakes).get();
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<String> result = new AtomicReference<>();
clientChannel.getReceiveSetter().set(new AbstractReceiveListener() {
@Override
protected void onFullTextMessage(WebSocketChannel channel, BufferedTextMessage message) throws IOException {
String data = message.getData();
//WebSocketLogger.ROOT_LOGGER.info("onFullTextMessage() - Client - Received: " + data.getBytes().length + " bytes.");
result.set(data);
latch.countDown();
}
@Override
protected void onFullCloseMessage(WebSocketChannel channel, BufferedBinaryMessage message) throws IOException {
message.getData().close();
WebSocketLogger.ROOT_LOGGER.info("onFullCloseMessage");
}
@Override
protected void onError(WebSocketChannel channel, Throwable error) {
WebSocketLogger.ROOT_LOGGER.info("onError");
super.onError(channel, error);
error.printStackTrace();
latch.countDown();
}
});
clientChannel.resumeReceives();
int LONG_MSG = 125 * 1024;
StringBuilder longMsg = new StringBuilder(LONG_MSG);
for (int i = 0; i < LONG_MSG; i++) {
longMsg.append(Integer.toString(i).charAt(0));
}
WebSockets.sendTextBlocking(longMsg.toString(), clientChannel);
latch.await(300, TimeUnit.SECONDS);
Assert.assertEquals(longMsg.toString(), result.get());
clientChannel.sendClose();
client.shutdown();
}
@Test
@Ignore
public void testLongMessageWithoutExtensions() throws Exception {
XnioWorker client;
Xnio xnio = Xnio.getInstance(WebSocketExtensionBasicTestCase.class.getClassLoader());
client = xnio.createWorker(OptionMap.builder()
.set(Options.WORKER_IO_THREADS, 2)
.set(Options.CONNECTION_HIGH_WATER, 1000000)
.set(Options.CONNECTION_LOW_WATER, 1000000)
.set(Options.WORKER_TASK_CORE_THREADS, 30)
.set(Options.WORKER_TASK_MAX_THREADS, 30)
.set(Options.TCP_NODELAY, true)
.set(Options.CORK, true)
.getMap());
WebSocketProtocolHandshakeHandler handler = webSocketDebugHandler()
.addExtension(new PerMessageDeflateHandshake());
DebugExtensionsHeaderHandler debug = new DebugExtensionsHeaderHandler(handler);
DefaultServer.setRootHandler(path().addPrefixPath("/", debug));
final WebSocketClientNegotiation negotiation = null;
final WebSocketChannel clientChannel = WebSocketClient.connect(client, DefaultServer.getBufferPool(), OptionMap.EMPTY, new URI("http://localhost:8080"), WebSocketVersion.V13, negotiation).get();
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<String> result = new AtomicReference<>();
clientChannel.getReceiveSetter().set(new AbstractReceiveListener() {
@Override
protected void onFullTextMessage(WebSocketChannel channel, BufferedTextMessage message) throws IOException {
String data = message.getData();
WebSocketLogger.ROOT_LOGGER.info("onFullTextMessage() - Client - Received: " + data.getBytes().length + " bytes");
result.set(data);
latch.countDown();
}
@Override
protected void onFullCloseMessage(WebSocketChannel channel, BufferedBinaryMessage message) throws IOException {
message.getData().close();
WebSocketLogger.ROOT_LOGGER.info("onFullCloseMessage");
}
@Override
protected void onError(WebSocketChannel channel, Throwable error) {
WebSocketLogger.ROOT_LOGGER.info("onError");
super.onError(channel, error);
error.printStackTrace();
latch.countDown();
}
});
clientChannel.resumeReceives();
int LONG_MSG = 75 * 1024;
StringBuilder longMsg = new StringBuilder(LONG_MSG);
for (int i = 0; i < LONG_MSG; i++) {
longMsg.append(new Integer(i).toString().charAt(0));
}
StreamSinkFrameChannel sendChannel = clientChannel.send(WebSocketFrameType.TEXT);
new StringWriteChannelListener(longMsg.toString()).setup(sendChannel);
latch.await(10, TimeUnit.SECONDS);
Assert.assertEquals(longMsg.toString(), result.get());
clientChannel.sendClose();
client.shutdown();
}
/**
* Simulate an extensions request.
*
* <pre>{@code
GET / HTTP/1.1
User-Agent: AutobahnTestSuite/0.7.0-0.9.0
Host: localhost:7777
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: pRAuwtkO0SUKzufqA2g+ig==
Sec-WebSocket-Extensions: permessage-deflate; client_no_context_takeover; client_max_window_bits
Sec-WebSocket-Version: 13
* }
* </pre>
*/
@Test
public void testExtensionsHeaders() throws Exception {
XnioWorker client;
Xnio xnio = Xnio.getInstance(WebSocketExtensionBasicTestCase.class.getClassLoader());
client = xnio.createWorker(OptionMap.builder()
.set(Options.WORKER_IO_THREADS, 2)
.set(Options.CONNECTION_HIGH_WATER, 1000000)
.set(Options.CONNECTION_LOW_WATER, 1000000)
.set(Options.WORKER_TASK_CORE_THREADS, 30)
.set(Options.WORKER_TASK_MAX_THREADS, 30)
.set(Options.TCP_NODELAY, true)
.set(Options.CORK, true)
.getMap());
WebSocketProtocolHandshakeHandler handler = webSocketDebugHandler()
.addExtension(new PerMessageDeflateHandshake());
DebugExtensionsHeaderHandler debug = new DebugExtensionsHeaderHandler(handler);
DefaultServer.setRootHandler(path().addPrefixPath("/", debug));
final String SEC_WEBSOCKET_EXTENSIONS = "permessage-deflate; client_no_context_takeover; client_max_window_bits";
final String SEC_WEBSOCKET_EXTENSIONS_EXPECTED = "[permessage-deflate; client_no_context_takeover]"; // List format
List<WebSocketExtension> extensions = WebSocketExtension.parse(SEC_WEBSOCKET_EXTENSIONS);
final WebSocketClientNegotiation negotiation = new WebSocketClientNegotiation(null, extensions);
Set<ExtensionHandshake> extensionHandshakes = new HashSet<>();
extensionHandshakes.add(new PerMessageDeflateHandshake(true));
final WebSocketChannel clientChannel = WebSocketClient.connect(client, null, DefaultServer.getBufferPool(), OptionMap.EMPTY, new URI(DefaultServer.getDefaultServerURL()), WebSocketVersion.V13, negotiation, extensionHandshakes).get();
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<String> result = new AtomicReference<>();
clientChannel.getReceiveSetter().set(new AbstractReceiveListener() {
@Override
protected void onFullTextMessage(WebSocketChannel channel, BufferedTextMessage message) throws IOException {
String data = message.getData();
WebSocketLogger.ROOT_LOGGER.info("onFullTextMessage - Client - Received: " + data.getBytes().length + " bytes . Data: " + data);
result.set(data);
latch.countDown();
}
@Override
protected void onFullCloseMessage(WebSocketChannel channel, BufferedBinaryMessage message) throws IOException {
message.getData().close();
WebSocketLogger.ROOT_LOGGER.info("onFullCloseMessage");
}
@Override
protected void onError(WebSocketChannel channel, Throwable error) {
WebSocketLogger.ROOT_LOGGER.info("onError");
super.onError(channel, error);
error.printStackTrace();
latch.countDown();
}
});
clientChannel.resumeReceives();
StreamSinkFrameChannel sendChannel = clientChannel.send(WebSocketFrameType.TEXT);
new StringWriteChannelListener("Hello, World!").setup(sendChannel);
latch.await(10, TimeUnit.SECONDS);
Assert.assertEquals("Hello, World!", result.get());
clientChannel.sendClose();
client.shutdown();
Assert.assertEquals(SEC_WEBSOCKET_EXTENSIONS_EXPECTED, debug.getResponseExtensions().toString());
}
}