author | chegar |
Wed, 27 Apr 2016 20:36:02 +0100 | |
changeset 37676 | 24ef455da1b0 |
parent 14342 | 8435a30053c1 |
child 38474 | db344a94eb44 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* @test |
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* @bug 4640544 8044773 |
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* @summary Unit test to check SocketChannel setOption/getOption/options |
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* methods. |
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* @run main SocketOptionTests |
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* @run main/othervm -Djdk.launcher.limitmods=java.base SocketOptionTests |
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*/ |
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import java.nio.*; |
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import java.nio.channels.*; |
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import java.net.*; |
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import java.io.IOException; |
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import java.util.*; |
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import static java.net.StandardSocketOptions.*; |
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public class SocketOptionTests { |
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static void checkOption(SocketChannel sc, SocketOption name, Object expectedValue) |
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throws IOException |
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{ |
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Object value = sc.getOption(name); |
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if (!value.equals(expectedValue)) |
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throw new RuntimeException("value not as expected"); |
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} |
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public static void main(String[] args) throws IOException { |
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SocketChannel sc = SocketChannel.open(); |
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// check supported options |
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Set<SocketOption<?>> options = sc.supportedOptions(); |
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List<? extends SocketOption> expected = Arrays.asList(SO_SNDBUF, SO_RCVBUF, |
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SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, TCP_NODELAY); |
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for (SocketOption opt: expected) { |
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if (!options.contains(opt)) |
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throw new RuntimeException(opt.name() + " should be supported"); |
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} |
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// check specified defaults |
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int linger = sc.<Integer>getOption(SO_LINGER); |
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if (linger >= 0) |
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throw new RuntimeException("initial value of SO_LINGER should be < 0"); |
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checkOption(sc, SO_KEEPALIVE, false); |
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checkOption(sc, TCP_NODELAY, false); |
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// allowed to change when not bound |
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sc.setOption(SO_KEEPALIVE, true); |
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checkOption(sc, SO_KEEPALIVE, true); |
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sc.setOption(SO_KEEPALIVE, false); |
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checkOption(sc, SO_KEEPALIVE, false); |
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sc.setOption(SO_SNDBUF, 128*1024); // can't check |
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sc.setOption(SO_RCVBUF, 256*1024); // can't check |
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int before, after; |
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before = sc.getOption(SO_SNDBUF); |
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after = sc.setOption(SO_SNDBUF, Integer.MAX_VALUE).getOption(SO_SNDBUF); |
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if (after < before) |
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throw new RuntimeException("setOption caused SO_SNDBUF to decrease"); |
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before = sc.getOption(SO_RCVBUF); |
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after = sc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF); |
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if (after < before) |
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throw new RuntimeException("setOption caused SO_RCVBUF to decrease"); |
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sc.setOption(SO_REUSEADDR, true); |
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checkOption(sc, SO_REUSEADDR, true); |
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sc.setOption(SO_REUSEADDR, false); |
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checkOption(sc, SO_REUSEADDR, false); |
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sc.setOption(SO_LINGER, 10); |
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linger = sc.<Integer>getOption(SO_LINGER); |
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if (linger < 1) |
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throw new RuntimeException("expected linger to be enabled"); |
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sc.setOption(SO_LINGER, -1); |
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linger = sc.<Integer>getOption(SO_LINGER); |
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if (linger >= 0) |
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throw new RuntimeException("expected linger to be disabled"); |
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sc.setOption(TCP_NODELAY, true); |
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checkOption(sc, TCP_NODELAY, true); |
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sc.setOption(TCP_NODELAY, false); // can't check |
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// bind socket |
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sc.bind(new InetSocketAddress(0)); |
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// allow to change when bound |
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sc.setOption(SO_KEEPALIVE, true); |
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checkOption(sc, SO_KEEPALIVE, true); |
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sc.setOption(SO_KEEPALIVE, false); |
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checkOption(sc, SO_KEEPALIVE, false); |
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sc.setOption(SO_LINGER, 10); |
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linger = sc.<Integer>getOption(SO_LINGER); |
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if (linger < 1) |
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throw new RuntimeException("expected linger to be enabled"); |
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sc.setOption(SO_LINGER, -1); |
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linger = sc.<Integer>getOption(SO_LINGER); |
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if (linger >= 0) |
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throw new RuntimeException("expected linger to be disabled"); |
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sc.setOption(TCP_NODELAY, true); // can't check |
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sc.setOption(TCP_NODELAY, false); // can't check |
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// NullPointerException |
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try { |
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sc.setOption(null, "value"); |
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throw new RuntimeException("NullPointerException not thrown"); |
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} catch (NullPointerException x) { |
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} |
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try { |
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sc.getOption(null); |
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throw new RuntimeException("NullPointerException not thrown"); |
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} catch (NullPointerException x) { |
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} |
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// ClosedChannelException |
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sc.close(); |
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try { |
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sc.setOption(TCP_NODELAY, true); |
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throw new RuntimeException("ClosedChannelException not thrown"); |
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} catch (ClosedChannelException x) { |
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} |
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} |
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} |