1 /* 2 * Copyright (c) 2002, 2018, 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 /* @test 25 * @bug 8195160 26 * @summary Test if keys reported ready multiple times 27 * @requires (os.family == "linux") 28 * @library .. /test/lib 29 * @build jdk.test.lib.Utils TestServers 30 * @build RsocketTest 31 * @run main/othervm -Djava.net.preferIPv4Stack=true KeysReady 32 */ 33 34 import java.net.*; 35 import java.nio.channels.*; 36 import java.nio.channels.spi.SelectorProvider; 37 import jdk.net.Sockets; 38 39 public class KeysReady { 40 41 static void test(TestServers.DayTimeServer dayTimeServer) throws Exception { 42 InetSocketAddress isa 43 = new InetSocketAddress(dayTimeServer.getAddress(), 44 dayTimeServer.getPort()); 45 SocketChannel sc = Sockets.openRdmaSocketChannel(); 46 sc.configureBlocking(false); 47 sc.connect(isa); 48 49 // Prepare a selector 50 Selector selector = Sockets.openRdmaSelector(); 51 try { 52 SelectionKey key = sc.register(selector, SelectionKey.OP_CONNECT); 53 int keysAdded = selector.select(); 54 if (keysAdded > 0) { 55 keysAdded = selector.select(1000); 56 if (keysAdded > 0) 57 throw new Exception("Same key reported added twice"); 58 } 59 } finally { 60 selector.close(); 61 sc.close(); 62 } 63 } 64 65 public static void main(String[] args) throws Exception { 66 if (!RsocketTest.isRsocketAvailable()) 67 return; 68 69 try (TestServers.DayTimeServer daytimeServer 70 = TestServers.DayTimeServer.startNewServer(50)) { 71 test(daytimeServer); 72 } 73 } 74 75 }