| /* |
| * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @bug 4640544 8044773 |
| * @summary Unit test for ServerSocketChannel setOption/getOption/options |
| * methods. |
| * @run main SocketOptionTests |
| * @run main/othervm -Djdk.launcher.limitmods=java.base SocketOptionTests |
| */ |
| |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.net.*; |
| import java.io.IOException; |
| import java.util.*; |
| import static java.net.StandardSocketOptions.*; |
| |
| public class SocketOptionTests { |
| |
| static void checkOption(ServerSocketChannel ssc, SocketOption name, Object expectedValue) |
| throws IOException |
| { |
| Object value = ssc.getOption(name); |
| if (!value.equals(expectedValue)) |
| throw new RuntimeException("value not as expected"); |
| } |
| |
| public static void main(String[] args) throws IOException { |
| ServerSocketChannel ssc = ServerSocketChannel.open(); |
| |
| // check supported options |
| Set<SocketOption<?>> options = ssc.supportedOptions(); |
| boolean reuseport = options.contains(SO_REUSEPORT); |
| if (!options.contains(SO_REUSEADDR)) |
| throw new RuntimeException("SO_REUSEADDR should be supported"); |
| if (!options.contains(SO_REUSEPORT) && reuseport) |
| throw new RuntimeException("SO_REUSEPORT should be supported"); |
| if (!options.contains(SO_RCVBUF)) |
| throw new RuntimeException("SO_RCVBUF should be supported"); |
| |
| // allowed to change when not bound |
| ssc.setOption(SO_RCVBUF, 256*1024); // can't check |
| int before = ssc.getOption(SO_RCVBUF); |
| int after = ssc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF); |
| if (after < before) |
| throw new RuntimeException("setOption caused SO_RCVBUF to decrease"); |
| ssc.setOption(SO_REUSEADDR, true); |
| checkOption(ssc, SO_REUSEADDR, true); |
| ssc.setOption(SO_REUSEADDR, false); |
| checkOption(ssc, SO_REUSEADDR, false); |
| if (reuseport) { |
| ssc.setOption(SO_REUSEPORT, true); |
| checkOption(ssc, SO_REUSEPORT, true); |
| ssc.setOption(SO_REUSEPORT, false); |
| checkOption(ssc, SO_REUSEPORT, false); |
| } |
| |
| // NullPointerException |
| try { |
| ssc.setOption(null, "value"); |
| throw new RuntimeException("NullPointerException not thrown"); |
| } catch (NullPointerException x) { |
| } |
| try { |
| ssc.getOption(null); |
| throw new RuntimeException("NullPointerException not thrown"); |
| } catch (NullPointerException x) { |
| } |
| |
| // ClosedChannelException |
| ssc.close(); |
| try { |
| ssc.setOption(SO_REUSEADDR, true); |
| throw new RuntimeException("ClosedChannelException not thrown"); |
| } catch (ClosedChannelException x) { |
| } |
| } |
| } |