1 /* 2 * Copyright (c) 2019, 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 8233307 27 * @library /test/lib 28 * @run main/othervm NoSetNetworkInterface 29 * @run main/othervm -Djava.net.preferIPv4Stack=true NoSetNetworkInterface 30 * @run main/othervm -Djava.net.preferIPv6Addresses=true NoSetNetworkInterface 31 * @run main/othervm -Djdk.net.usePlainDatagramSocketImpl NoSetNetworkInterface 32 * @summary Check that methods that are used to set and get the NetworkInterface 33 * for a MulticastSocket work as expected. This test also checks that getOption 34 * returns null correctly when a NetworkInterface has not been set 35 */ 36 37 import jdk.test.lib.NetworkConfiguration; 38 39 import java.io.IOException; 40 import java.io.UncheckedIOException; 41 import java.net.InetAddress; 42 import java.net.MulticastSocket; 43 import java.net.NetworkInterface; 44 import java.net.StandardSocketOptions; 45 import java.util.Optional; 46 import java.util.function.Predicate; 47 48 public class NoSetNetworkInterface { main(String[] args)49 public static void main(String[] args) throws Exception { 50 51 NetworkConfiguration nc = NetworkConfiguration.probe(); 52 53 // check set and get methods work as expected 54 nc.multicastInterfaces(true).forEach(ni -> { 55 checkSetInterface(ni); 56 checkSetNetworkInterface(ni); 57 checkSetOption(ni); 58 }); 59 60 // Check that dummy NetworkInterface is returned when not set 61 checkDummyNetworkInterface(); 62 } 63 checkSetInterface(NetworkInterface ni)64 public static void checkSetInterface(NetworkInterface ni) { 65 try (MulticastSocket ms = new MulticastSocket()) { 66 Optional<InetAddress> iAddr = ni.inetAddresses() 67 .filter(Predicate.not(InetAddress::isAnyLocalAddress)) 68 .findFirst(); 69 if (iAddr.isPresent()) { 70 ms.setInterface(iAddr.get()); 71 checkForCorrectNetworkInterface("setInterface", ms, ni); 72 } 73 } catch (IOException e) { 74 throw new UncheckedIOException(e); 75 } 76 } 77 checkSetNetworkInterface(NetworkInterface ni)78 public static void checkSetNetworkInterface(NetworkInterface ni) { 79 try (MulticastSocket ms = new MulticastSocket()) { 80 ms.setNetworkInterface(ni); 81 checkForCorrectNetworkInterface("setNetworkInterface", ms, ni); 82 } catch (IOException e) { 83 throw new UncheckedIOException(e); 84 } 85 } 86 checkSetOption(NetworkInterface ni)87 public static void checkSetOption(NetworkInterface ni) { 88 try (MulticastSocket ms = new MulticastSocket()) { 89 ms.setOption(StandardSocketOptions.IP_MULTICAST_IF, ni); 90 checkForCorrectNetworkInterface("setOption", ms, ni); 91 } catch (IOException e) { 92 throw new UncheckedIOException(e); 93 } 94 } 95 checkForCorrectNetworkInterface(String setterMethod, MulticastSocket ms, NetworkInterface ni)96 public static void checkForCorrectNetworkInterface(String setterMethod, 97 MulticastSocket ms, 98 NetworkInterface ni) throws IOException { 99 100 // getInterface 101 InetAddress testAddr = ms.getInterface(); 102 if (!ni.inetAddresses().anyMatch(i -> i.equals(testAddr))) { 103 throw new RuntimeException(setterMethod + " != getInterface"); 104 } 105 106 // getNetworkInterface 107 if (!ni.equals(ms.getNetworkInterface())) { 108 throw new RuntimeException(setterMethod + " != getNetworkInterface"); 109 } 110 111 // getOption 112 if (!ni.equals(ms.getOption(StandardSocketOptions.IP_MULTICAST_IF))) { 113 throw new RuntimeException(setterMethod + " != getOption"); 114 } 115 } 116 checkDummyNetworkInterface()117 public static void checkDummyNetworkInterface() throws IOException { 118 119 try(MulticastSocket ms = new MulticastSocket()) { 120 121 // getOption with no Network Interface set 122 NetworkInterface n0 = ms.getOption(StandardSocketOptions.IP_MULTICAST_IF); 123 if (n0 != null) { 124 throw new RuntimeException("NetworkInterface should be null"); 125 } 126 127 // getNetworkInterface with no Network Interface set 128 NetworkInterface n1 = ms.getNetworkInterface(); 129 if (n1 == null) { 130 throw new RuntimeException("getNetworkInterface() should not return null"); 131 } else if (!((n1.getName().equals("0.0.0.0") || n1.getName().equals("::")) 132 && (n1.getIndex() == 0) 133 && (n1.inetAddresses().count() == 1))) { 134 135 throw new RuntimeException("Dummy NetworkInterface not returned as expected"); 136 } 137 138 // getInterface with no Network Interface set 139 InetAddress iaddr = ms.getInterface(); 140 if (iaddr == null) { 141 throw new RuntimeException("getInterface() should not return null"); 142 } else if (!iaddr.isAnyLocalAddress()) { 143 throw new RuntimeException("getInterface() should return anyLocalAddress"); 144 } 145 } 146 } 147 } 148 149