1 /*
   2  * Copyright (c) 2018, 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 /*
  25  * @test
  26  * @library /test/lib
  27  * @build jdk.test.lib.Utils
  28  * @bug 8204233
  29  * @summary Add configurable option for enhanced socket IOException messages
  30  * @run main/othervm ExceptionText
  31  * @run main/othervm -Djdk.net.includeInExceptions= ExceptionText
  32  * @run main/othervm -Djdk.net.includeInExceptions=hostInfo ExceptionText
  33  * @run main/othervm -Djdk.net.includeInExceptions=somethingElse ExceptionText
  34  */
  35 
  36 import java.net.*;
  37 import java.io.IOException;
  38 import java.nio.channels.ClosedChannelException;
  39 import java.nio.channels.*;
  40 import java.util.concurrent.ExecutionException;
  41 import jdk.test.lib.Utils;
  42 
  43 public class ExceptionText {
  44 
  45     enum TestTarget {SOCKET, CHANNEL, ASYNC_CHANNEL};
  46 
  47     static boolean propEnabled() {
  48         String val = System.getProperty("jdk.net.includeInExceptions");
  49         if ("hostinfo".equalsIgnoreCase(val))
  50             return true;
  51         return false;
  52     }
  53 
  54     public static void main(String args[]) throws Exception {
  55         boolean prop = propEnabled();
  56         test(prop);
  57     }
  58 
  59     static final InetSocketAddress dest  = Utils.refusingEndpoint();
  60     static final String PORT = ":" + Integer.toString(dest.getPort());
  61     static final String HOST = dest.getHostString();
  62 
  63     static void test(boolean withProperty) {
  64         // Socket
  65         IOException e = getException(TestTarget.SOCKET);
  66         checkResult(e, withProperty);
  67         // SocketChannel
  68         e = getException(TestTarget.CHANNEL);
  69         checkResult(e, withProperty);
  70         // AsyncSocketChannel
  71         e = getException(TestTarget.ASYNC_CHANNEL);
  72         checkResult(e, withProperty);
  73     }
  74 
  75     static void checkResult(IOException e, boolean withProperty) {
  76         String msg = e.getMessage();
  77         if (!withProperty) {
  78             if (msg.contains(HOST) || msg.contains(PORT)) {
  79                 System.err.println("msg = " + msg);
  80                 throw new RuntimeException("Test failed: exception contains address info");
  81             }
  82         } else {
  83             if (!msg.contains(HOST) || !msg.contains(PORT)) {
  84                 if (e instanceof ClosedChannelException)
  85                     return; // has no detail msg
  86                 System.err.println("msg = " + msg);
  87                 throw new RuntimeException("Test failed: exception does not contain address info");
  88             }
  89         }
  90     }
  91 
  92     static IOException getException(TestTarget target) {
  93         try {
  94             if (target == TestTarget.SOCKET) {
  95                 Socket s = new Socket();
  96                 s.connect(dest);
  97             } else if (target == TestTarget.CHANNEL) {
  98                 SocketChannel c = SocketChannel.open(dest);
  99             } else if (target == TestTarget.ASYNC_CHANNEL) {
 100                 AsynchronousSocketChannel c = AsynchronousSocketChannel.open();
 101                 try {
 102                     c.connect(dest).get();
 103                 } catch (InterruptedException | ExecutionException ee) {
 104                     if (ee.getCause() instanceof IOException)
 105                         throw (IOException)ee.getCause();
 106                     throw new RuntimeException(ee.getCause());
 107                 }
 108             }
 109             return null;
 110         } catch (IOException e) {
 111             e.printStackTrace();
 112             return e;
 113         }
 114     }
 115 }