1 /*
   2  * Copyright (c) 2012, 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 /* @test
  25  * @bug 8195160
  26  * @summary REGRESSION: Socket.getLocalAddress() returns address of 0.0.0.0 on outbound TCP
  27  * @requires (os.family == "linux")
  28  * @library .. /test/lib
  29  * @build RsocketTest
  30  * @run main/othervm -Djava.net.preferIPv4Stack=true GetLocalAddress
  31  */
  32 import java.util.*;
  33 import java.net.*;
  34 import jdk.net.Sockets;
  35 
  36 public class GetLocalAddress implements Runnable {
  37 
  38     static Socket s;
  39     static ServerSocket ss;
  40     static InetAddress addr;
  41     static InetAddress iaLocal;
  42     static String sLocalHostname;
  43 
  44     public static void main(String[] args) throws Exception
  45     {
  46         if (!RsocketTest.isRsocketAvailable())
  47             return;
  48 
  49         ss = Sockets.openRdmaServerSocket();
  50         addr = InetAddress.getLocalHost();
  51         ss.bind(new InetSocketAddress(addr, 0));
  52         int port = ss.getLocalPort();
  53 
  54         s = Sockets.openRdmaSocket();
  55 
  56         try {
  57             Thread t = new Thread(new GetLocalAddress());
  58             t.start();
  59         } catch(Exception e) {
  60             System.out.println("Exception happened");
  61             throw e;
  62         } finally {
  63             ss.close();
  64         }
  65     }
  66 
  67     public void run() {
  68         try {
  69             InetSocketAddress isa = new InetSocketAddress(addr, 0);
  70             s.connect( isa, 1000 );
  71 
  72             byte[] bad = {0,0,0,0};
  73             InetAddress iaLocal = s.getLocalAddress();
  74             String sLocalHostname = iaLocal.getHostName();
  75             if (Arrays.equals (iaLocal.getAddress(), bad)) {
  76                 throw new RuntimeException ("0.0.0.0 returned");
  77             }
  78             System.out.println("local hostname is "+sLocalHostname );
  79         } catch (Exception e) {
  80             e.printStackTrace();
  81             throw new RuntimeException("Test Failed!");
  82         }
  83     }
  84 }