1 /* 2 * Copyright (c) 2008, 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 LocalRMIServerSocketFactoryTest.java 26 * @bug 6774170 27 * @summary Connect to a server socket returned by the LocalRMIServerSocketFactory. 28 * 29 * @author Daniel Fuchs 30 * 31 * @run compile -XDignore.symbol.file=true -source 1.6 -g LocalRMIServerSocketFactoryTest.java 32 * @run main LocalRMIServerSocketFactoryTest 33 */ 34 35 import sun.management.jmxremote.LocalRMIServerSocketFactory; 36 import java.io.IOException; 37 import java.net.InetAddress; 38 import java.net.NetworkInterface; 39 import java.net.ServerSocket; 40 import java.net.Socket; 41 import java.util.concurrent.SynchronousQueue; 42 43 public class LocalRMIServerSocketFactoryTest { 44 45 private static final SynchronousQueue<Exception> queue = 46 new SynchronousQueue<Exception>(); 47 48 static final class Result extends Exception { 49 50 private Result() { 51 super("SUCCESS: No exception was thrown"); 52 } 53 static final Result SUCCESS = new Result(); 54 } 55 56 private static void checkError(String message) throws Exception { 57 58 // Wait for the server to set the error field. 59 final Exception x = queue.take(); 60 61 if (x == Result.SUCCESS) { 62 return; 63 } 64 65 66 // case of 6674166: this is very unlikely to happen, even if 67 // both 6674166 and 6774170 aren't fixed. If it happens 68 // however, it might indicate that neither defects are fixed. 69 70 if (x instanceof NullPointerException) { 71 throw new Exception(message + " - " + 72 "Congratulations! it seems you have triggered 6674166. " + 73 "Neither 6674166 nor 6774170 seem to be fixed: " + x, x); 74 } else if (x instanceof IOException) { 75 throw new Exception(message + " - " + 76 "Unexpected IOException. Maybe you triggered 6674166? " + 77 x, x); 78 } else if (x != null) { 79 throw new Exception(message + " - " + 80 "Ouch, that's bad. " + 81 "This is a new kind of unexpected exception " + 82 x, x); 83 } 84 } 85 86 public static void main(String[] args) throws Exception { 87 final LocalRMIServerSocketFactory f = 88 new LocalRMIServerSocketFactory(); 89 final ServerSocket s = f.createServerSocket(0); 90 final int port = s.getLocalPort(); 91 Thread t = new Thread() { 92 93 public void run() { 94 while (true) { 95 Exception error = Result.SUCCESS; 96 try { 97 System.err.println("Accepting: "); 98 final Socket ss = s.accept(); 99 System.err.println(ss.getInetAddress() + " accepted"); 100 } catch (Exception x) { 101 x.printStackTrace(); 102 error = x; 103 } finally { 104 try { 105 // wait for the client to get the exception. 106 queue.put(error); 107 } catch (Exception x) { 108 // too bad! 109 System.err.println("Could't send result to client!"); 110 x.printStackTrace(); 111 return; 112 } 113 } 114 } 115 } 116 }; 117 t.setDaemon(true); 118 t.start(); 119 120 System.err.println("new Socket((String)null, port)"); 121 final Socket s1 = new Socket((String) null, port); 122 checkError("new Socket((String)null, port)"); 123 s1.close(); 124 System.err.println("new Socket((String)null, port): PASSED"); 125 126 System.err.println("new Socket(InetAddress.getByName(null), port)"); 127 final Socket s2 = new Socket(InetAddress.getByName(null), port); 128 checkError("new Socket(InetAddress.getByName(null), port)"); 129 s2.close(); 130 System.err.println("new Socket(InetAddress.getByName(null), port): PASSED"); 131 132 System.err.println("new Socket(localhost, port)"); 133 final Socket s3 = new Socket("localhost", port); 134 checkError("new Socket(localhost, port)"); 135 s3.close(); 136 System.err.println("new Socket(localhost, port): PASSED"); 137 138 System.err.println("new Socket(127.0.0.1, port)"); 139 final Socket s4 = new Socket("127.0.0.1", port); 140 checkError("new Socket(127.0.0.1, port)"); 141 s4.close(); 142 System.err.println("new Socket(127.0.0.1, port): PASSED"); 143 144 } 145 }