99 lines
3.3 KiB
Java
99 lines
3.3 KiB
Java
/*
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* Copyright (c) 2001, 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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/*
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* Tests that a thread blocked in ServerSocket.accept
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* throws a SocketException if the socket is asynchronously closed.
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*/
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketException;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.atomic.AtomicBoolean;
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public class ServerSocket_accept extends AsyncCloseTest implements Runnable {
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private final ServerSocket ss;
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private final int timeout;
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private final CountDownLatch latch;
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private final AtomicBoolean readyToClose = new AtomicBoolean(false);
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public ServerSocket_accept() throws IOException {
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this(0);
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}
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public ServerSocket_accept(int timeout) throws IOException {
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this.timeout = timeout;
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latch = new CountDownLatch(1);
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ss = new ServerSocket(0, 0, InetAddress.getLoopbackAddress());
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}
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public String description() {
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String s = "ServerSocket.accept()";
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if (timeout > 0) {
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s += " (with timeout)";
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}
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return s;
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}
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public void run() {
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try {
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latch.countDown();
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Socket s;
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// if readyToClose is still false it means some other
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// process on the system attempted to connect: just
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// ignore it, and go back to accept again.
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do {
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s = ss.accept();
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} while (!readyToClose.get());
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failed("ServerSocket.accept() returned unexpectedly!!" + " - " + s);
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} catch (SocketException se) {
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closed();
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} catch (Exception e) {
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failed(e.getMessage());
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}
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}
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public AsyncCloseTest go(){
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try {
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Thread thr = new Thread(this);
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thr.start();
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latch.await();
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Thread.sleep(5000); //sleep, so ServerSocket.accept() can block
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readyToClose.set(true);
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ss.close();
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thr.join();
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if (isClosed()) {
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return passed();
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} else {
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return failed("ServerSocket.accept() wasn't preempted");
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}
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} catch (Exception x) {
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failed(x.getMessage());
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throw new RuntimeException(x);
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}
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}
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}
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