| /* |
| * 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.tomcat.websocket; |
| |
| import java.io.OutputStream; |
| import java.io.Writer; |
| import java.net.URI; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.websocket.ClientEndpointConfig.Builder; |
| import javax.websocket.ContainerProvider; |
| import javax.websocket.Endpoint; |
| import javax.websocket.Session; |
| import javax.websocket.WebSocketContainer; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.catalina.Context; |
| import org.apache.catalina.servlets.DefaultServlet; |
| import org.apache.catalina.startup.Tomcat; |
| import org.apache.catalina.startup.TomcatBaseTest; |
| import org.apache.tomcat.websocket.TesterMessageCountClient.AsyncBinary; |
| import org.apache.tomcat.websocket.TesterMessageCountClient.AsyncHandler; |
| import org.apache.tomcat.websocket.TesterMessageCountClient.AsyncText; |
| import org.apache.tomcat.websocket.TesterMessageCountClient.TesterAnnotatedEndpoint; |
| import org.apache.tomcat.websocket.TesterMessageCountClient.TesterEndpoint; |
| import org.apache.tomcat.websocket.TesterMessageCountClient.TesterProgrammaticEndpoint; |
| |
| public class TestWsRemoteEndpoint extends TomcatBaseTest { |
| |
| private static final String SEQUENCE = "ABCDE"; |
| private static final int S_LEN = SEQUENCE.length(); |
| private static final String TEST_MESSAGE_5K; |
| |
| static { |
| StringBuilder sb = new StringBuilder(S_LEN * 1024); |
| for (int i = 0; i < 1024; i++) { |
| sb.append(SEQUENCE); |
| } |
| TEST_MESSAGE_5K = sb.toString(); |
| } |
| |
| @Test |
| public void testWriterAnnotation() throws Exception { |
| doTestWriter(TesterAnnotatedEndpoint.class, true, TEST_MESSAGE_5K); |
| } |
| |
| @Test |
| public void testWriterProgrammatic() throws Exception { |
| doTestWriter(TesterProgrammaticEndpoint.class, true, TEST_MESSAGE_5K); |
| } |
| |
| @Test |
| public void testWriterZeroLengthAnnotation() throws Exception { |
| doTestWriter(TesterAnnotatedEndpoint.class, true, ""); |
| } |
| |
| @Test |
| public void testWriterZeroLengthProgrammatic() throws Exception { |
| doTestWriter(TesterProgrammaticEndpoint.class, true, ""); |
| } |
| |
| @Test |
| public void testStreamAnnotation() throws Exception { |
| doTestWriter(TesterAnnotatedEndpoint.class, false, TEST_MESSAGE_5K); |
| } |
| |
| @Test |
| public void testStreamProgrammatic() throws Exception { |
| doTestWriter(TesterProgrammaticEndpoint.class, false, TEST_MESSAGE_5K); |
| } |
| |
| private void doTestWriter(Class<?> clazz, boolean useWriter, String testMessage) throws Exception { |
| Tomcat tomcat = getTomcatInstance(); |
| // No file system docBase required |
| Context ctx = tomcat.addContext("", null); |
| ctx.addApplicationListener(TesterEchoServer.Config.class.getName()); |
| Tomcat.addServlet(ctx, "default", new DefaultServlet()); |
| ctx.addServletMapping("/", "default"); |
| |
| WebSocketContainer wsContainer = |
| ContainerProvider.getWebSocketContainer(); |
| |
| tomcat.start(); |
| |
| Session wsSession; |
| URI uri = new URI("ws://localhost:" + getPort() + |
| TesterEchoServer.Config.PATH_ASYNC); |
| if (Endpoint.class.isAssignableFrom(clazz)) { |
| @SuppressWarnings("unchecked") |
| Class<? extends Endpoint> endpointClazz = |
| (Class<? extends Endpoint>) clazz; |
| wsSession = wsContainer.connectToServer(endpointClazz, |
| Builder.create().build(), uri); |
| } else { |
| wsSession = wsContainer.connectToServer(clazz, uri); |
| } |
| |
| CountDownLatch latch = new CountDownLatch(1); |
| TesterEndpoint tep = |
| (TesterEndpoint) wsSession.getUserProperties().get("endpoint"); |
| tep.setLatch(latch); |
| AsyncHandler<?> handler; |
| if (useWriter) { |
| handler = new AsyncText(latch); |
| } else { |
| handler = new AsyncBinary(latch); |
| } |
| |
| wsSession.addMessageHandler(handler); |
| |
| if (useWriter) { |
| Writer w = wsSession.getBasicRemote().getSendWriter(); |
| |
| for (int i = 0; i < 8; i++) { |
| w.write(testMessage); |
| } |
| |
| w.close(); |
| } else { |
| OutputStream s = wsSession.getBasicRemote().getSendStream(); |
| |
| for (int i = 0; i < 8; i++) { |
| s.write(testMessage.getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| s.close(); |
| } |
| |
| boolean latchResult = handler.getLatch().await(10, TimeUnit.SECONDS); |
| |
| Assert.assertTrue(latchResult); |
| |
| List<String> results = new ArrayList<>(); |
| if (useWriter) { |
| @SuppressWarnings("unchecked") |
| List<String> messages = (List<String>) handler.getMessages(); |
| results.addAll(messages); |
| } else { |
| // Take advantage of the fact that the message uses characters that |
| // are represented as a single UTF-8 byte so won't be split across |
| // binary messages |
| @SuppressWarnings("unchecked") |
| List<ByteBuffer> messages = (List<ByteBuffer>) handler.getMessages(); |
| for (ByteBuffer message : messages) { |
| byte[] bytes = new byte[message.limit()]; |
| message.get(bytes); |
| results.add(new String(bytes, StandardCharsets.UTF_8)); |
| } |
| } |
| |
| int offset = 0; |
| int i = 0; |
| for (String result : results) { |
| if (testMessage.length() == 0) { |
| Assert.assertEquals(0, result.length()); |
| } else { |
| // First may be a fragment |
| Assert.assertEquals(SEQUENCE.substring(offset, S_LEN), |
| result.substring(0, S_LEN - offset)); |
| i = S_LEN - offset; |
| while (i + S_LEN < result.length()) { |
| if (!SEQUENCE.equals(result.substring(i, i + S_LEN))) { |
| Assert.fail(); |
| } |
| i += S_LEN; |
| } |
| offset = result.length() - i; |
| if (!SEQUENCE.substring(0, offset).equals(result.substring(i))) { |
| Assert.fail(); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void testWriterErrorAnnotation() throws Exception { |
| doTestWriterError(TesterAnnotatedEndpoint.class); |
| } |
| |
| @Test |
| public void testWriterErrorProgrammatic() throws Exception { |
| doTestWriterError(TesterProgrammaticEndpoint.class); |
| } |
| |
| private void doTestWriterError(Class<?> clazz) throws Exception { |
| Tomcat tomcat = getTomcatInstance(); |
| // No file system docBase required |
| Context ctx = tomcat.addContext("", null); |
| ctx.addApplicationListener(TesterEchoServer.Config.class.getName()); |
| Tomcat.addServlet(ctx, "default", new DefaultServlet()); |
| ctx.addServletMapping("/", "default"); |
| |
| WebSocketContainer wsContainer = ContainerProvider.getWebSocketContainer(); |
| |
| tomcat.start(); |
| |
| Session wsSession; |
| URI uri = new URI("ws://localhost:" + getPort() + TesterEchoServer.Config.PATH_WRITER_ERROR); |
| if (Endpoint.class.isAssignableFrom(clazz)) { |
| @SuppressWarnings("unchecked") |
| Class<? extends Endpoint> endpointClazz = (Class<? extends Endpoint>) clazz; |
| wsSession = wsContainer.connectToServer(endpointClazz, Builder.create().build(), uri); |
| } else { |
| wsSession = wsContainer.connectToServer(clazz, uri); |
| } |
| |
| CountDownLatch latch = new CountDownLatch(1); |
| TesterEndpoint tep = (TesterEndpoint) wsSession.getUserProperties().get("endpoint"); |
| tep.setLatch(latch); |
| AsyncHandler<?> handler; |
| handler = new AsyncText(latch); |
| |
| wsSession.addMessageHandler(handler); |
| |
| // This should trigger the error |
| wsSession.getBasicRemote().sendText("Start"); |
| |
| boolean latchResult = handler.getLatch().await(10, TimeUnit.SECONDS); |
| |
| Assert.assertTrue(latchResult); |
| |
| @SuppressWarnings("unchecked") |
| List<String> messages = (List<String>) handler.getMessages(); |
| |
| Assert.assertEquals(0, messages.size()); |
| } |
| } |