J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2007 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 utilities |
| 25 | * |
| 26 | */ |
| 27 | |
| 28 | import java.io.*; |
| 29 | import java.net.*; |
| 30 | import java.nio.*; |
| 31 | import java.nio.channels.*; |
| 32 | import java.util.Random; |
| 33 | |
| 34 | |
| 35 | public class TestUtil { |
| 36 | |
| 37 | // Test hosts used by the channels tests - change these when |
| 38 | // executing in a different network. |
| 39 | public static final String HOST = "javaweb.sfbay.sun.com"; |
| 40 | public static final String REFUSING_HOST = "jano.sfbay.sun.com"; |
| 41 | public static final String FAR_HOST = "theclub.ireland.sun.com"; |
| 42 | public static final String UNRESOLVABLE_HOST = "blah-blah.blah-blah.blah"; |
| 43 | |
| 44 | private TestUtil() { } |
| 45 | |
| 46 | // Repeatedly try random ports until we bind to one. You might be tempted |
| 47 | // to do this: |
| 48 | // |
| 49 | // ServerSocketChannel ssc = ServerSocketChannel.open(); |
| 50 | // ssc.socket().bind(new InetSocketAddress(0)); |
| 51 | // SocketAddress sa = ssc.socket().getLocalSocketAddress(); |
| 52 | // |
| 53 | // but unfortunately it doesn't work on NT 4.0. |
| 54 | // |
| 55 | // Returns the bound port. |
| 56 | // |
| 57 | static int bind(ServerSocketChannel ssc) throws IOException { |
| 58 | InetAddress lh = InetAddress.getLocalHost(); |
| 59 | Random r = new Random(); |
| 60 | for (;;) { |
| 61 | int p = r.nextInt((1 << 16) - 1024) + 1024; |
| 62 | InetSocketAddress isa = new InetSocketAddress(lh, p); |
| 63 | try { |
| 64 | ssc.socket().bind(isa); |
| 65 | } catch (IOException x) { |
| 66 | continue; |
| 67 | } |
| 68 | return p; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | // A more convenient form of bind(ServerSocketChannel) that returns a full |
| 73 | // socket address. |
| 74 | // |
| 75 | static InetSocketAddress bindToRandomPort(ServerSocketChannel ssc) |
| 76 | throws IOException |
| 77 | { |
| 78 | int p = bind(ssc); |
| 79 | return new InetSocketAddress(InetAddress.getLocalHost(), p); |
| 80 | } |
| 81 | |
| 82 | private static String osName = System.getProperty("os.name"); |
| 83 | |
| 84 | // Examines os.name property to determine if running on 95/98/ME. |
| 85 | // |
| 86 | // Returns true if running on windows95/98/ME. |
| 87 | // |
| 88 | static boolean onME() { |
| 89 | if (osName.startsWith("Windows")) { |
| 90 | if (osName.indexOf("9") > 0) |
| 91 | return true; |
| 92 | if (osName.indexOf("M") > 0) |
| 93 | return true; |
| 94 | } |
| 95 | return false; |
| 96 | } |
| 97 | |
| 98 | static boolean onSolaris() { |
| 99 | return osName.startsWith("SunOS"); |
| 100 | } |
| 101 | |
| 102 | static boolean onWindows() { |
| 103 | return osName.startsWith("Windows"); |
| 104 | } |
| 105 | |
| 106 | } |