1 /* 2 * Copyright (c) 2017, 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 8190843 27 * @summary can not set/get extendedOptions to ServerSocket 28 * @modules jdk.net 29 * @run main ExtOptionTest 30 */ 31 import java.io.IOException; 32 import java.net.ServerSocket; 33 34 import static jdk.net.ExtendedSocketOptions.TCP_QUICKACK; 35 import static jdk.net.ExtendedSocketOptions.SO_FLOW_SLA; 36 37 public class ExtOptionTest { 38 39 private static final String OS = "Linux"; 40 41 public static void main(String args[]) throws IOException { 42 var operSys = System.getProperty("os.name"); 43 try (ServerSocket ss = new ServerSocket(0)) { 44 // currently TCP_QUICKACK is available only on Linux. 45 if (operSys.equals(OS)) { 46 ss.setOption(TCP_QUICKACK, true); 47 if (!ss.getOption(TCP_QUICKACK)) { 48 throw new RuntimeException("Test failed, TCP_QUICKACK should" 49 + " have been set"); 50 } 51 } else if (operSys.equals("SunOS")) { 52 if (ss.supportedOptions().contains(SO_FLOW_SLA)) { 53 throw new RuntimeException("Test failed, SO_FLOW_SLA is not " 54 + "applicable for ServerSocket"); 55 } 56 } else { 57 if (ss.supportedOptions().contains(TCP_QUICKACK)) { 58 ss.setOption(TCP_QUICKACK, true); 59 if (!ss.getOption(TCP_QUICKACK)) { 60 throw new RuntimeException("Test failed, TCP_QUICKACK should" 61 + " have been set"); 62 } 63 } 64 } 65 } 66 } 67 }