1 /* 2 * Copyright (c) 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * @test 28 * @bug 8195160 29 * @summary Test to check if rsocket is available 30 * @requires (os.family == "linux") 31 * @library /test/lib 32 * @build jdk.test.lib.Platform 33 * @run main/native RsocketTest 34 */ 35 36 import java.io.IOException; 37 38 public class RsocketTest { 39 private static boolean supported; 40 private static boolean checked; 41 42 static { 43 System.loadLibrary("RsocketTest"); 44 } 45 46 public static boolean isRsocketAvailable() 47 throws IOException { 48 if (!checked) { 49 checked = true; 50 supported = isRsocketAvailable0(); 51 } 52 if (!supported) { 53 checkThrowsUOE(jdk.net.RdmaSockets::openSocket); 54 checkThrowsUOE(jdk.net.RdmaSockets::openServerSocket); 55 checkThrowsUOE(jdk.net.RdmaSockets::openSocketChannel); 56 checkThrowsUOE(jdk.net.RdmaSockets::openServerSocketChannel); 57 checkThrowsUOE(jdk.net.RdmaSockets::openSelector); 58 } 59 return supported; 60 } 61 62 static void checkThrowsUOE(ThrowingRunnable runnable) throws IOException { 63 try { 64 runnable.run(); 65 throw new RuntimeException("Unexpected creation"); 66 } catch (UnsupportedOperationException expected) { } 67 } 68 interface ThrowingRunnable { void run() throws IOException; } 69 70 private static native boolean isRsocketAvailable0(); 71 72 public static void main(String[] args) throws Exception { 73 System.out.println("testing rsocket!"); 74 } 75 }