| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.knox.gateway.websockets; |
| |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.server.handler.ContextHandler; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import javax.websocket.ContainerProvider; |
| import javax.websocket.WebSocketContainer; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Locale; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Test to simulate unexpected connection drop. Here we establish a connection |
| * and then try to simulate an error. |
| * |
| * @since 0.10 |
| * |
| */ |
| public class ConnectionDroppedTest { |
| private static Server backend; |
| private static ServerConnector connector; |
| private static URI serverUri; |
| |
| /* Proxy */ |
| private static Server proxy; |
| private static ServerConnector proxyConnector; |
| private static URI proxyUri; |
| |
| public ConnectionDroppedTest() { |
| super(); |
| } |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| startBackend(); |
| startProxy(); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| /* ORDER MATTERS ! */ |
| proxy.stop(); |
| backend.stop(); |
| } |
| |
| /* |
| * The connection is dropped, so we should see a tineout exception when we try |
| * to poll the message from queue. |
| */ |
| @Test(expected = java.util.concurrent.TimeoutException.class) |
| public void testDroppedConnection() throws IOException, Exception { |
| final String message = "Echo"; |
| |
| WebSocketContainer container = ContainerProvider.getWebSocketContainer(); |
| |
| WebsocketClient client = new WebsocketClient(); |
| javax.websocket.Session session = container.connectToServer(client, |
| proxyUri); |
| |
| session.getBasicRemote().sendText(message); |
| |
| client.messageQueue.awaitMessages(1, 1000, TimeUnit.MILLISECONDS); |
| |
| } |
| |
| private static void startBackend() throws Exception { |
| backend = new Server(); |
| connector = new ServerConnector(backend); |
| backend.addConnector(connector); |
| |
| /* start backend with Echo socket */ |
| final BigEchoSocketHandler wsHandler = new BigEchoSocketHandler( |
| new BadSocket()); |
| |
| ContextHandler context = new ContextHandler(); |
| context.setContextPath("/"); |
| context.setHandler(wsHandler); |
| backend.setHandler(context); |
| |
| // Start Server |
| backend.start(); |
| |
| String host = connector.getHost(); |
| if (host == null) { |
| host = "localhost"; |
| } |
| int port = connector.getLocalPort(); |
| serverUri = new URI(String.format(Locale.ROOT, "ws://%s:%d/", host, port)); |
| } |
| |
| private static void startProxy() throws Exception { |
| proxy = new Server(); |
| proxyConnector = new ServerConnector(proxy); |
| proxy.addConnector(proxyConnector); |
| |
| /* start Knox with WebsocketAdapter to test */ |
| final BigEchoSocketHandler wsHandler = new BigEchoSocketHandler( |
| new ProxyWebSocketAdapter(serverUri, Executors.newFixedThreadPool(10))); |
| |
| ContextHandler context = new ContextHandler(); |
| context.setContextPath("/"); |
| context.setHandler(wsHandler); |
| proxy.setHandler(context); |
| |
| // Start Server |
| proxy.start(); |
| |
| String host = proxyConnector.getHost(); |
| if (host == null) { |
| host = "localhost"; |
| } |
| int port = proxyConnector.getLocalPort(); |
| proxyUri = new URI(String.format(Locale.ROOT, "ws://%s:%d/", host, port)); |
| } |
| } |