| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 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.servlet; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.Socket; |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.servlet.AsyncContext; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.http.HttpTester; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.toolchain.test.TestTracker; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| public class AsyncServletLongPollTest |
| { |
| @Rule |
| public TestTracker tracker = new TestTracker(); |
| private Server server; |
| private ServerConnector connector; |
| private ServletContextHandler context; |
| private String uri; |
| |
| protected void prepare(HttpServlet servlet) throws Exception |
| { |
| server = new Server(); |
| connector = new ServerConnector(server); |
| server.addConnector(connector); |
| String contextPath = "/context"; |
| context = new ServletContextHandler(server, contextPath, ServletContextHandler.NO_SESSIONS); |
| ServletHolder servletHolder = new ServletHolder(servlet); |
| String servletPath = "/path"; |
| context.addServlet(servletHolder, servletPath); |
| uri = contextPath + servletPath; |
| server.start(); |
| } |
| |
| @After |
| public void destroy() throws Exception |
| { |
| server.stop(); |
| } |
| |
| @Test |
| public void testSuspendedRequestCompletedByAnotherRequest() throws Exception |
| { |
| final CountDownLatch asyncLatch = new CountDownLatch(1); |
| prepare(new HttpServlet() |
| { |
| private volatile AsyncContext asyncContext; |
| |
| @Override |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException |
| { |
| int suspend = 0; |
| String param = request.getParameter("suspend"); |
| if (param != null) |
| suspend = Integer.parseInt(param); |
| |
| if (suspend > 0) |
| { |
| asyncContext = request.startAsync(); |
| asyncLatch.countDown(); |
| } |
| } |
| |
| @Override |
| protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException |
| { |
| int error = 0; |
| String param = request.getParameter("error"); |
| if (param != null) |
| error = Integer.parseInt(param); |
| |
| final AsyncContext asyncContext = this.asyncContext; |
| if (asyncContext != null) |
| { |
| HttpServletResponse asyncResponse = (HttpServletResponse)asyncContext.getResponse(); |
| asyncResponse.sendError(error); |
| asyncContext.complete(); |
| } |
| else |
| { |
| response.sendError(404); |
| } |
| } |
| }); |
| |
| try (Socket socket1 = new Socket("localhost", connector.getLocalPort())) |
| { |
| int wait = 1000; |
| String request1 = "GET " + uri + "?suspend=" + wait + " HTTP/1.1\r\n" + |
| "Host: localhost:" + connector.getLocalPort() + "\r\n" + |
| "\r\n"; |
| OutputStream output1 = socket1.getOutputStream(); |
| output1.write(request1.getBytes(StandardCharsets.UTF_8)); |
| output1.flush(); |
| |
| Assert.assertTrue(asyncLatch.await(5, TimeUnit.SECONDS)); |
| |
| int error = 408; |
| try (Socket socket2 = new Socket("localhost", connector.getLocalPort())) |
| { |
| String request2 = "DELETE " + uri + "?error=" + error + " HTTP/1.1\r\n" + |
| "Host: localhost:" + connector.getLocalPort() + "\r\n" + |
| "\r\n"; |
| OutputStream output2 = socket2.getOutputStream(); |
| output2.write(request2.getBytes(StandardCharsets.UTF_8)); |
| output2.flush(); |
| |
| HttpTester.Input input2 = HttpTester.from(socket2.getInputStream()); |
| HttpTester.Response response2 = HttpTester.parseResponse(input2); |
| Assert.assertEquals(200, response2.getStatus()); |
| } |
| |
| socket1.setSoTimeout(2 * wait); |
| |
| HttpTester.Input input1 = HttpTester.from(socket1.getInputStream()); |
| HttpTester.Response response1 = HttpTester.parseResponse(input1); |
| Assert.assertEquals(error, response1.getStatus()); |
| |
| // Now try to make another request on the first connection |
| // to verify that we set correctly the read interest (#409842) |
| String request3 = "GET " + uri + " HTTP/1.1\r\n" + |
| "Host: localhost:" + connector.getLocalPort() + "\r\n" + |
| "\r\n"; |
| output1.write(request3.getBytes(StandardCharsets.UTF_8)); |
| output1.flush(); |
| |
| HttpTester.Response response3 = HttpTester.parseResponse(input1); |
| Assert.assertEquals(200, response3.getStatus()); |
| } |
| } |
| } |