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. 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 Unit test for ServerSocketChannel setOption/getOption/options 27 * methods. 28 * @modules jdk.net 29 * @requires !vm.graal.enabled 30 * @requires (os.family == "linux") 31 * @library .. 32 * @build RsocketTest 33 * @run main/othervm -Djava.net.preferIPv4Stack=true SocketOptionTests 34 */ 35 36 import java.io.IOException; 37 import java.net.SocketOption; 38 import java.nio.channels.ClosedChannelException; 39 import java.nio.channels.ServerSocketChannel; 40 import java.util.Set; 41 import jdk.net.Sockets; 42 import static java.net.StandardSocketOptions.*; 43 import static jdk.net.RdmaSocketOptions.*; 44 45 public class SocketOptionTests { 46 47 static void checkOption(ServerSocketChannel ssc, SocketOption name, Object expectedValue) 48 throws IOException 49 { 50 Object value = ssc.getOption(name); 51 if (!value.equals(expectedValue)) 52 throw new RuntimeException("value not as expected"); 53 } 54 55 public static void main(String[] args) throws IOException { 56 if (!RsocketTest.isRsocketAvailable()) 57 return; 58 59 ServerSocketChannel ssc = Sockets.openRdmaServerSocketChannel(); 60 61 // check supported options 62 Set<SocketOption<?>> options = ssc.supportedOptions(); 63 if (!options.contains(SO_REUSEADDR)) 64 throw new RuntimeException("SO_REUSEADDR should be supported"); 65 if (!options.contains(SO_RCVBUF)) 66 throw new RuntimeException("SO_RCVBUF should be supported"); 67 if (!options.contains(RDMA_SQSIZE)) 68 throw new RuntimeException("RDMA_SQSIZE should be supported"); 69 if (!options.contains(RDMA_RQSIZE)) 70 throw new RuntimeException("RDMA_RQSIZE should be supported"); 71 if (!options.contains(RDMA_INLINE)) 72 throw new RuntimeException("RDMA_INLINE should be supported"); 73 74 // allowed to change when not bound 75 ssc.setOption(SO_RCVBUF, 256*1024); // can't check 76 int before = ssc.getOption(SO_RCVBUF); 77 int after = ssc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF); 78 if (after < before) 79 throw new RuntimeException("setOption caused SO_RCVBUF to decrease"); 80 ssc.setOption(SO_REUSEADDR, true); 81 checkOption(ssc, SO_REUSEADDR, true); 82 ssc.setOption(SO_REUSEADDR, false); 83 checkOption(ssc, SO_REUSEADDR, false); 84 85 // NullPointerException 86 try { 87 ssc.setOption(null, "value"); 88 throw new RuntimeException("NullPointerException not thrown"); 89 } catch (NullPointerException x) { 90 } 91 try { 92 ssc.getOption(null); 93 throw new RuntimeException("NullPointerException not thrown"); 94 } catch (NullPointerException x) { 95 } 96 97 // ClosedChannelException 98 ssc.close(); 99 try { 100 ssc.setOption(SO_REUSEADDR, true); 101 throw new RuntimeException("ClosedChannelException not thrown"); 102 } catch (ClosedChannelException x) { 103 } 104 } 105 }