J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* @test |
| 25 | * @bug 6442088 |
| 26 | * @summary Change default DNS caching behavior for code not running under |
| 27 | * security manager. |
| 28 | * |
| 29 | * @build B6442088 SimpleNameService SimpleNameServiceDescriptor |
| 30 | * @run main/othervm/timeout=200 -Dsun.net.inetaddr.ttl=20 -Dsun.net.spi.nameservice.provider.1=simple,sun B6442088 |
| 31 | */ |
| 32 | import java.net.InetAddress; |
| 33 | import java.net.UnknownHostException; |
| 34 | import java.security.Security; |
| 35 | |
| 36 | public class B6442088 { |
| 37 | |
| 38 | public static void main(String args[]) throws Exception { |
| 39 | |
| 40 | // name service needs to resolve this. |
| 41 | SimpleNameService.put("theclub", "129.156.220.219"); |
| 42 | |
| 43 | test ("theclub", "129.156.220.219", true); // lk: 1 |
| 44 | test ("luster", "1.16.20.2", false); // lk: 2 |
| 45 | |
| 46 | // name service now needs to know about luster |
| 47 | SimpleNameService.put("luster", "10.5.18.21"); |
| 48 | |
| 49 | test ("luster", "1.16.20.2", false); // lk: 2 |
| 50 | sleep (10+1); |
| 51 | test("luster", "10.5.18.21", true, 3); // lk: 3 |
| 52 | sleep (5); |
| 53 | |
| 54 | SimpleNameService.put("foo", "10.5.18.22"); |
| 55 | SimpleNameService.put("theclub", "129.156.220.1"); |
| 56 | |
| 57 | test ("theclub", "129.156.220.219", true, 3); |
| 58 | test ("luster", "10.5.18.21", true, 3); |
| 59 | test ("bar", "10.5.18.22", false, 4); |
| 60 | test ("foo", "10.5.18.22", true, 5); |
| 61 | |
| 62 | // now delay to see if theclub has expired |
| 63 | sleep (5); |
| 64 | |
| 65 | test ("foo", "10.5.18.22", true, 5); |
| 66 | test ("theclub", "129.156.220.1", true, 6); |
| 67 | |
| 68 | sleep (11); |
| 69 | // now see if luster has expired |
| 70 | test ("luster", "10.5.18.21", true, 7); |
| 71 | test ("theclub", "129.156.220.1", true, 7); |
| 72 | |
| 73 | // now delay to see if 3rd has expired |
| 74 | sleep (10+6); |
| 75 | |
| 76 | test ("theclub", "129.156.220.1", true, 8); |
| 77 | test ("luster", "10.5.18.21", true, 8); |
| 78 | test ("foo", "10.5.18.22", true, 9); |
| 79 | } |
| 80 | |
| 81 | /* throws RuntimeException if it fails */ |
| 82 | |
| 83 | static void test (String host, String address, |
| 84 | boolean shouldSucceed, int count) { |
| 85 | test (host, address, shouldSucceed); |
| 86 | int got = SimpleNameService.lookupCalls(); |
| 87 | if (got != count) { |
| 88 | throw new RuntimeException ("lookups exp/got: " + count+"/"+got); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | static void sleep (int seconds) { |
| 93 | try { |
| 94 | Thread.sleep (seconds * 1000); |
| 95 | } catch (InterruptedException e) {} |
| 96 | } |
| 97 | |
| 98 | static void test (String host, String address, boolean shouldSucceed) { |
| 99 | InetAddress addr = null; |
| 100 | try { |
| 101 | addr = InetAddress.getByName (host); |
| 102 | if (!shouldSucceed) { |
| 103 | throw new RuntimeException (host+":"+address+": should fail"); |
| 104 | |
| 105 | } |
| 106 | if (!address.equals(addr.getHostAddress())) { |
| 107 | throw new RuntimeException(host+":"+address+": compare failed"); |
| 108 | } |
| 109 | } catch (UnknownHostException e) { |
| 110 | if (shouldSucceed) { |
| 111 | throw new RuntimeException(host+":"+address+": should succeed"); |
| 112 | } |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | } |