author | phh |
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parent 54811 | 9db7c0f561a6 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 2017, 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 7132924 |
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* @library /test/lib |
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* @key intermittent |
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* @summary Test DatagramChannel.disconnect when DatagramChannel is connected to an IPv4 socket |
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* @run main Disconnect |
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* @run main/othervm -Djava.net.preferIPv4Stack=true Disconnect |
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*/ |
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import java.net.*; |
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import java.nio.*; |
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import java.nio.channels.*; |
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import java.io.IOException; |
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import jdk.test.lib.net.IPSupport; |
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public class Disconnect { |
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public static void main(String[] args) throws IOException { |
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IPSupport.throwSkippedExceptionIfNonOperational(); |
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// test with default protocol family |
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try (DatagramChannel dc = DatagramChannel.open()) { |
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test(dc); |
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test(dc); |
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} |
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if (IPSupport.hasIPv4()) { |
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// test with IPv4 only |
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try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET)) { |
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test(dc); |
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test(dc); |
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} |
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} |
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if (IPSupport.hasIPv6()) { |
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// test with IPv6 only |
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try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET6)) { |
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test(dc); |
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test(dc); |
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} |
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} |
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} |
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/** |
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* Connect DatagramChannel to a server, write a datagram and disconnect. Invoke |
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* a second or subsequent time with the same DatagramChannel instance to check |
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* that disconnect works as expected. |
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*/ |
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static void test(DatagramChannel dc) throws IOException { |
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try (DatagramChannel server = DatagramChannel.open()) { |
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server.bind(new InetSocketAddress(0)); |
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InetAddress lh = InetAddress.getLocalHost(); |
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dc.connect(new InetSocketAddress(lh, server.socket().getLocalPort())); |
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dc.write(ByteBuffer.wrap("hello".getBytes())); |
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ByteBuffer bb = ByteBuffer.allocate(100); |
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server.receive(bb); |
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dc.disconnect(); |
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try { |
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dc.write(ByteBuffer.wrap("another message".getBytes())); |
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throw new RuntimeException("write should fail, not connected"); |
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} catch (NotYetConnectedException expected) { |
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} |
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} |
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} |
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} |