1 /*
   2  * Copyright (c) 2007, 2011, 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  * @bug 4762344
  27  * @summary 2nd nameservice provider is non functional
  28  * @modules java.base/sun.net.spi.nameservice
  29  * @compile -XDignore.symbol.file=true SimpleNameService.java
  30  *                                     Simple1NameServiceDescriptor.java
  31  *                                     Simple2NameServiceDescriptor.java
  32  * @run main/othervm -Dsun.net.spi.nameservice.provider.1=simple1,sun -Dsun.net.spi.nameservice.provider.2=simple2,sun Providers
  33  */
  34 
  35 import java.net.*;
  36 import java.util.*;
  37 
  38 
  39 public class Providers {
  40     private static String[][] hostnames = new String[][] {
  41             // both providers know this host, but with different address
  42             new String[] {"blade", "10.0.0.1"},
  43             // provider1 knwos this host
  44             new String[] {"blade.domain1", "10.0.0.2"},
  45             // provider2 knows this host
  46             new String[] {"blade.domain2", "20.0.0.2"}
  47         };
  48     private static String[][] hostaddrs = new String[][] {
  49             new String[] {"10.0.0.1", "blade"},
  50             new String[] {"10.0.0.2", "blade.domain1"},
  51             new String[] {"20.0.0.2", "blade.domain2"}
  52         };
  53 
  54     public static void main(String[] args) throws Exception {
  55         for (int i = 0; i < hostnames.length; i++) {
  56             doLookup(hostnames[i][0], hostnames[i][1]);
  57         }
  58         for (int i = 0; i < hostaddrs.length; i++) {
  59             doReverseLookup(hostaddrs[i][0], hostaddrs[i][1]);
  60         }
  61     }
  62 
  63     private static void doLookup(String host, String addr) throws Exception {
  64         String res = InetAddress.getByName(host).getHostAddress();
  65         if (!res.equals(addr)) {
  66             throw new RuntimeException("Test failed: wrong address for host " + host);
  67         }
  68     }
  69 
  70     private static void doReverseLookup(String addr, String host) throws Exception {
  71         StringTokenizer tokenizer = new StringTokenizer(addr, ".");
  72         byte addrs[] = new byte[4];
  73         for (int i = 0; i < 4; i++) {
  74             addrs[i] = (byte)Integer.parseInt(tokenizer.nextToken());
  75         }
  76         String res = InetAddress.getByAddress(addrs).getHostName();
  77         if (!res.equals(host)) {
  78             throw new RuntimeException("Test failed: wrong host name for address " + addr);
  79         }
  80     }
  81 }