148 lines
4.6 KiB
Java
148 lines
4.6 KiB
Java
/*
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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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/*
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* @test
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* @requires (os.family == "linux" | os.family == "mac")
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* @run testng AsyncShutdown
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* @summary Test shutdownInput/shutdownOutput with threads blocked in read/write
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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.InetSocketAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketTimeoutException;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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@Test
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public class AsyncShutdown {
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public void testShutdownInput1() throws IOException {
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withConnection((s1, s2) -> {
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scheduleShutdownInput(s1, 2000);
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int n = s1.getInputStream().read();
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assertTrue(n == -1);
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});
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}
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public void testShutdownInput2() throws IOException {
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withConnection((s1, s2) -> {
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scheduleShutdownInput(s1, 2000);
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s1.setSoTimeout(30*1000);
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int n = s1.getInputStream().read();
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assertTrue(n == -1);
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});
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}
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public void testShutdownOutput1() throws IOException {
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withConnection((s1, s2) -> {
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scheduleShutdownOutput(s1, 2000);
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byte[] data = new byte[128*1024];
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try {
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while (true) {
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s1.getOutputStream().write(data);
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}
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} catch (IOException expected) { }
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});
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}
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public void testShutdownOutput2() throws IOException {
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withConnection((s1, s2) -> {
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s1.setSoTimeout(100);
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try {
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s1.getInputStream().read();
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assertTrue(false);
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} catch (SocketTimeoutException e) { }
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scheduleShutdownOutput(s1, 2000);
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byte[] data = new byte[128*1024];
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try {
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while (true) {
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s1.getOutputStream().write(data);
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}
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} catch (IOException expected) { }
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});
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}
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static void scheduleShutdownInput(Socket s, long delay) {
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schedule(() -> {
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try {
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s.shutdownInput();
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} catch (IOException ioe) { }
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}, delay);
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}
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static void scheduleShutdownOutput(Socket s, long delay) {
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schedule(() -> {
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try {
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s.shutdownOutput();
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} catch (IOException ioe) { }
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}, delay);
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}
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static void schedule(Runnable task, long delay) {
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ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
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try {
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executor.schedule(task, delay, TimeUnit.MILLISECONDS);
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} finally {
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executor.shutdown();
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}
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}
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interface ThrowingBiConsumer<T, U> {
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void accept(T t, U u) throws IOException;
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}
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static void withConnection(ThrowingBiConsumer<Socket, Socket> consumer)
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throws IOException
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{
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Socket s1 = null;
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Socket s2 = null;
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try (ServerSocket ss = createBoundServer()) {
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s1 = new Socket();
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s1.connect(ss.getLocalSocketAddress());
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s2 = ss.accept();
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consumer.accept(s1, s2);
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} finally {
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if (s1 != null) s1.close();
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if (s2 != null) s2.close();
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}
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}
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static ServerSocket createBoundServer() throws IOException {
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ServerSocket ss = new ServerSocket();
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InetAddress loopback = InetAddress.getLoopbackAddress();
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InetSocketAddress address = new InetSocketAddress(loopback, 0);
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ss.bind(address);
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return ss;
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}
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}
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