1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import jdk.incubator.http.HttpClient;
  25 import jdk.incubator.http.WebSocket;
  26 
  27 import java.io.IOException;
  28 import java.net.URI;
  29 
  30 /*
  31  * @test
  32  * @bug 8164625
  33  * @summary Verifies HttpClient yields the connection to the WebSocket
  34  * @run main/othervm -Djdk.httpclient.HttpClient.log=trace ConnectionHandover
  35  */
  36 public class ConnectionHandover {
  37 
  38     static {
  39         LoggingHelper.setupLogging();
  40     }
  41 
  42     /*
  43      * An I/O channel associated with the connection is closed by WebSocket.abort().
  44      * If this connection is returned to the connection pool, then the second
  45      * attempt to use it would fail with a ClosedChannelException.
  46      *
  47      * The assumption is that since the WebSocket client is connecting to the
  48      * same URI, the pooled connection is to be used.
  49      */
  50     public static void main(String[] args) throws IOException {
  51         try (DummyWebSocketServer server = new DummyWebSocketServer()) {
  52             server.open();
  53             URI uri = server.getURI();
  54             WebSocket.Builder webSocketBuilder =
  55                     HttpClient.newHttpClient().newWebSocketBuilder(uri, new WebSocket.Listener() { });
  56 
  57             WebSocket ws1 = webSocketBuilder.buildAsync().join();
  58             try {
  59                 ws1.abort();
  60             } catch (IOException ignored) { }
  61 
  62             WebSocket ws2 = webSocketBuilder.buildAsync().join(); // Exception here if the connection was pooled
  63             try {
  64                 ws2.abort();
  65             } catch (IOException ignored) { }
  66         }
  67     }
  68 }