J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2001 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 | /* |
| 25 | * @test |
| 26 | * @bug 4476378 |
| 27 | * @summary Check the specific behaviour of the setReuseAddress(boolean) |
| 28 | * method. |
| 29 | */ |
| 30 | import java.net.*; |
| 31 | |
| 32 | public class Basic { |
| 33 | |
| 34 | static int testCount = 0; |
| 35 | static int failures = 0; |
| 36 | |
| 37 | void test(String msg) { |
| 38 | testCount++; |
| 39 | System.out.println("***************************************"); |
| 40 | System.out.println("Test " + testCount + ": " + msg); |
| 41 | } |
| 42 | |
| 43 | void passed() { |
| 44 | System.out.println("Test passed."); |
| 45 | } |
| 46 | |
| 47 | void failed() { |
| 48 | failures++; |
| 49 | System.out.println("Test failed."); |
| 50 | } |
| 51 | |
| 52 | void check(boolean pass) { |
| 53 | if (pass) { |
| 54 | passed(); |
| 55 | } else { |
| 56 | failed(); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | void SocketTests() throws Exception { |
| 61 | Socket s1 = new Socket(); |
| 62 | |
| 63 | test("Socket should be created with SO_REUSEADDR disabled"); |
| 64 | check(!s1.getReuseAddress()); |
| 65 | |
| 66 | test("Socket.setReuseAddress(true)"); |
| 67 | s1.setReuseAddress(true); |
| 68 | check(s1.getReuseAddress()); |
| 69 | |
| 70 | test("Socket.setReuseAddress(false)"); |
| 71 | s1.setReuseAddress(false); |
| 72 | check(!s1.getReuseAddress() ); |
| 73 | |
| 74 | /* bind to any port */ |
| 75 | s1.bind( new InetSocketAddress(0) ); |
| 76 | |
| 77 | test("Binding Socket to port already in use should throw " + |
| 78 | "a BindException"); |
| 79 | Socket s2 = new Socket(); |
| 80 | try { |
| 81 | s2.bind( new InetSocketAddress(s1.getLocalPort()) ); |
| 82 | failed(); |
| 83 | } catch (BindException e) { |
| 84 | passed(); |
| 85 | } |
| 86 | s2.close(); |
| 87 | |
| 88 | s1.close(); |
| 89 | } |
| 90 | |
| 91 | void ServerSocketTests() throws Exception { |
| 92 | ServerSocket s1 = new ServerSocket(); |
| 93 | |
| 94 | test("ServerSocket.setReuseAddress(true)"); |
| 95 | s1.setReuseAddress(true); |
| 96 | check(s1.getReuseAddress()); |
| 97 | |
| 98 | test("Socket.setReuseAddress(false)"); |
| 99 | s1.setReuseAddress(false); |
| 100 | check(!s1.getReuseAddress() ); |
| 101 | |
| 102 | /* bind to any port */ |
| 103 | s1.bind( new InetSocketAddress(0) ); |
| 104 | |
| 105 | test("Binding ServerSocket to port already in use should throw " + |
| 106 | "a BindException"); |
| 107 | ServerSocket s2 = new ServerSocket(); |
| 108 | try { |
| 109 | s2.bind( new InetSocketAddress(s1.getLocalPort()) ); |
| 110 | failed(); |
| 111 | } catch (BindException e) { |
| 112 | passed(); |
| 113 | } |
| 114 | s2.close(); |
| 115 | |
| 116 | s1.close(); |
| 117 | } |
| 118 | |
| 119 | void DatagramSocketTests() throws Exception { |
| 120 | DatagramSocket s1 = new DatagramSocket(null); |
| 121 | |
| 122 | test("DatagramSocket should be created with SO_REUSEADDR disabled"); |
| 123 | check(!s1.getReuseAddress()); |
| 124 | |
| 125 | test("DatagramSocket.setReuseAddress(true)"); |
| 126 | s1.setReuseAddress(true); |
| 127 | check(s1.getReuseAddress()); |
| 128 | |
| 129 | test("DatagramSocket.setReuseAddress(false)"); |
| 130 | s1.setReuseAddress(false); |
| 131 | check(!s1.getReuseAddress() ); |
| 132 | |
| 133 | /* bind to any port */ |
| 134 | s1.bind( new InetSocketAddress(0) ); |
| 135 | |
| 136 | test("Binding datagram socket to port already in use should throw " + |
| 137 | "a BindException"); |
| 138 | DatagramSocket s2 = new DatagramSocket(null); |
| 139 | try { |
| 140 | s2.bind( new InetSocketAddress(s1.getLocalPort()) ); |
| 141 | failed(); |
| 142 | } catch (BindException e) { |
| 143 | passed(); |
| 144 | } |
| 145 | s2.close(); |
| 146 | s1.close(); |
| 147 | |
| 148 | // bind with SO_REUSEADDR enabled |
| 149 | |
| 150 | s1 = new DatagramSocket(null); |
| 151 | s1.setReuseAddress(true); |
| 152 | s1.bind( new InetSocketAddress(0) ); |
| 153 | |
| 154 | test("Bind 2 datagram sockets to the same port - second " + |
| 155 | "bind doesn't have SO_REUSEADDR enabled"); |
| 156 | s2 = new DatagramSocket(null); |
| 157 | try { |
| 158 | s2.bind( new InetSocketAddress(s1.getLocalPort()) ); |
| 159 | failed(); |
| 160 | } catch (BindException e) { |
| 161 | passed(); |
| 162 | } |
| 163 | s2.close(); |
| 164 | |
| 165 | test("Bind 2 datagram sockets to the same port - both have " + |
| 166 | "SO_REUSEADDR enabled"); |
| 167 | s2 = new DatagramSocket(null); |
| 168 | s2.setReuseAddress(true); |
| 169 | try { |
| 170 | s2.bind( new InetSocketAddress(s1.getLocalPort()) ); |
| 171 | passed(); |
| 172 | } catch (BindException e) { |
| 173 | failed(); |
| 174 | } |
| 175 | s2.close(); |
| 176 | |
| 177 | s1.close(); |
| 178 | |
| 179 | } |
| 180 | |
| 181 | void MulticastSocketTests() throws Exception { |
| 182 | test("Check SO_REUSEADDR is enabled in MulticastSocket()"); |
| 183 | MulticastSocket s1 = new MulticastSocket(); |
| 184 | check(s1.getReuseAddress()); |
| 185 | s1.close(); |
| 186 | |
| 187 | test("Check that SO_REUSEADDR is not disabled by " + |
| 188 | "MulticastSocket.bind()"); |
| 189 | |
| 190 | s1 = new MulticastSocket(null); |
| 191 | |
| 192 | // bind to specific address |
| 193 | InetSocketAddress isa = new InetSocketAddress( |
| 194 | InetAddress.getLocalHost(), 0); |
| 195 | s1.bind(isa); |
| 196 | check(s1.getReuseAddress()); |
| 197 | s1.close(); |
| 198 | } |
| 199 | |
| 200 | Basic() throws Exception { |
| 201 | |
| 202 | SocketTests(); |
| 203 | ServerSocketTests(); |
| 204 | DatagramSocketTests(); |
| 205 | MulticastSocketTests(); |
| 206 | |
| 207 | System.out.println("***************************************"); |
| 208 | System.out.println(testCount + " test(s) executed, " + |
| 209 | failures + " failure(s)."); |
| 210 | if (failures > 0) { |
| 211 | throw new Exception(failures + " test(s) failed"); |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | public static void main(String args[]) throws Exception { |
| 216 | new Basic(); |
| 217 | } |
| 218 | |
| 219 | } |