author | bpb |
Wed, 06 Feb 2019 12:48:01 -0800 | |
branch | rsocket-branch |
changeset 57156 | 81e4a12fd1a4 |
parent 57115 | 512e7cc6ccce |
child 57160 | c502c299d41e |
permissions | -rw-r--r-- |
57115 | 1 |
/* |
57156
81e4a12fd1a4
rsocket-branch: change recent copyright year to 2019 and new files to 2019 only
bpb
parents:
57115
diff
changeset
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* Copyright (c) 2019, 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 8195160 |
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* @summary Test asynchronous close during a blocking write |
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* @requires (os.family == "linux") |
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* @library .. /test/lib |
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* @build RsocketTest |
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* @run main/othervm CloseDuringWrite |
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* @key randomness |
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*/ |
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import java.io.Closeable; |
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import java.io.IOException; |
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import java.net.Inet6Address; |
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import java.net.InetAddress; |
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import java.net.InetSocketAddress; |
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import java.net.ProtocolFamily; |
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import java.net.SocketAddress; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.ClosedChannelException; |
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import java.nio.channels.ServerSocketChannel; |
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import java.nio.channels.SocketChannel; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.ScheduledExecutorService; |
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import java.util.concurrent.TimeUnit; |
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import java.util.Random; |
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import jdk.net.RdmaSockets; |
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import jtreg.SkippedException; |
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import static java.net.StandardProtocolFamily.INET; |
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import static java.net.StandardProtocolFamily.INET6; |
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public class CloseDuringWrite { |
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static final Random rand = new Random(); |
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/** |
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* A task that closes a Closeable |
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*/ |
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static class Closer implements Callable<Void> { |
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final Closeable c; |
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Closer(Closeable c) { |
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this.c = c; |
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} |
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public Void call() throws IOException { |
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c.close(); |
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return null; |
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} |
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} |
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public static void main(String[] args) throws Exception { |
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if (!RsocketTest.isRsocketAvailable()) |
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throw new SkippedException("rsocket is not available"); |
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InetAddress lh = InetAddress.getLocalHost(); |
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ProtocolFamily family = lh instanceof Inet6Address ? INET6 : INET; |
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System.out.printf("local address: %s%n", lh); |
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ScheduledExecutorService pool = Executors.newSingleThreadScheduledExecutor(); |
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try (ServerSocketChannel ssc = RdmaSockets.openServerSocketChannel(family)) { |
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ssc.bind(new InetSocketAddress(lh, 0)); |
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int port = ssc.socket().getLocalPort(); |
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SocketAddress sa = new InetSocketAddress(lh, port); |
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ByteBuffer bb = ByteBuffer.allocate(2 * 1024 * 1024); |
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for (int i = 0; i < 20; i++) { |
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System.out.println(i); |
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try (SocketChannel source = RdmaSockets.openSocketChannel(family)) { |
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Runnable runnable = new Runnable() { |
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@Override |
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public void run() { |
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try { |
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System.out.println("connecting ..."); |
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source.connect(sa); |
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System.out.println("connected"); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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throw new RuntimeException("Test Failed"); |
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} |
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} |
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}; |
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Thread t = new Thread(runnable); |
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t.start(); |
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try (SocketChannel sink = ssc.accept()) { |
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System.out.println("accepted new connection"); |
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// schedule channel to be closed |
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Closer c = new Closer(source); |
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int when = 1000 + rand.nextInt(2000); |
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Future<Void> result = pool.schedule(c, when, TimeUnit.MILLISECONDS); |
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// the write should either succeed or else throw a |
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// ClosedChannelException (more likely an |
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// AsynchronousCloseException) |
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try { |
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for (;;) { |
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int limit = rand.nextInt(bb.capacity()); |
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bb.position(0); |
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bb.limit(limit); |
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int n = source.write(bb); |
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System.out.format("wrote %d, expected %d%n", n, limit); |
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} |
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} catch (ClosedChannelException expected) { |
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System.out.println(expected + " (expected)"); |
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} finally { |
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result.get(); |
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} |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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throw new RuntimeException("Test Failed"); |
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} |
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} |
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} finally { |
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pool.shutdown(); |
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} |
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} |
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} |