/*
* 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.net.URI;
import java.nio.ByteBuffer;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.websocket.ClientEndpointConfig;
import javax.websocket.ContainerProvider;
import javax.websocket.PongMessage;
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.util.descriptor.web.ApplicationListener;
import org.apache.tomcat.websocket.TesterMessageCountClient.TesterEndpoint;
import org.apache.tomcat.websocket.TesterMessageCountClient.TesterProgrammaticEndpoint;
public class TestWsPingPongMessages extends TomcatBaseTest {
ByteBuffer applicationData = ByteBuffer.wrap(new String("mydata")
.getBytes());
@Test
public void testPingPongMessages() throws Exception {
Tomcat tomcat = getTomcatInstance();
// Must have a real docBase - just use temp
Context ctx = tomcat.addContext("",
System.getProperty("java.io.tmpdir"));
ctx.addApplicationListener(new ApplicationListener(
TesterEchoServer.Config.class.getName(), false));
Tomcat.addServlet(ctx, "default", new DefaultServlet());
ctx.addServletMapping("/", "default");
tomcat.start();
WebSocketContainer wsContainer = ContainerProvider
.getWebSocketContainer();
tomcat.start();
Session wsSession = wsContainer.connectToServer(
TesterProgrammaticEndpoint.class, ClientEndpointConfig.Builder
.create().build(), new URI("ws://localhost:"
+ getPort() + TesterEchoServer.Config.PATH_ASYNC));
CountDownLatch latch = new CountDownLatch(1);
TesterEndpoint tep = (TesterEndpoint) wsSession.getUserProperties()
.get("endpoint");
tep.setLatch(latch);
PongMessageHandler handler = new PongMessageHandler(latch);
wsSession.addMessageHandler(handler);
wsSession.getBasicRemote().sendPing(applicationData);
boolean latchResult = handler.getLatch().await(10, TimeUnit.SECONDS);
Assert.assertTrue(latchResult);
Assert.assertArrayEquals(applicationData.array(),
(handler.getMessages().peek()).getApplicationData().array());
}
public static class PongMessageHandler extends
TesterMessageCountClient.BasicHandler<PongMessage> {
public PongMessageHandler(CountDownLatch latch) {
super(latch);
}
@Override
public void onMessage(PongMessage message) {
getMessages().add(message);
if (getLatch() != null) {
getLatch().countDown();
}
}
}
}