133 lines
4.2 KiB
Java
133 lines
4.2 KiB
Java
/*
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* Copyright (c) 2020, 2023, 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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* @summary Test that HTTP connections can be interrupted
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* @library /test/lib
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* @compile InterruptHttp.java
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* @run main/othervm InterruptHttp
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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.io.InputStream;
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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.net.URL;
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import java.util.List;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.concurrent.atomic.AtomicReference;
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import jdk.test.lib.net.URIBuilder;
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public class InterruptHttp {
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public static void main(String[] args) throws Exception {
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try (Server server = new Server().start()) {
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AtomicReference<Exception> exception = new AtomicReference<>();
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// http://host:port/hello
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URL url = URIBuilder.newBuilder()
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.scheme("http")
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.loopback()
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.port(server.port())
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.path("/hello")
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.toURL();
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// start thread to connect to server
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Thread thread = Thread.ofVirtual().start(() -> {
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try {
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try (InputStream in = url.openStream()) { }
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} catch (Exception e) {
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exception.set(e);
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}
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});
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// give time for thread to block waiting for HTTP server
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while (server.connectionCount() == 0) {
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Thread.sleep(100);
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}
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thread.interrupt();
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thread.join();
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// HTTP request should fail with a SocketException
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Exception e = exception.get();
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if (!(e instanceof SocketException))
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throw new RuntimeException("Expected SocketException, got: " + e);
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// server should have accepted one connection
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if (server.connectionCount() != 1)
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throw new RuntimeException("Expected 1 HTTP connection");
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}
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}
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/**
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* Simple server that accepts connections but does not reply.
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*/
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static class Server implements Closeable {
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private final ServerSocket listener;
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private final List<Socket> connections = new CopyOnWriteArrayList<>();
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Server() throws IOException {
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InetAddress lb = InetAddress.getLoopbackAddress();
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listener = new ServerSocket(0, -1, lb);
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}
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Server start() {
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Thread.ofVirtual().start(this::run);
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return this;
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}
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private void run() {
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try {
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while (true) {
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Socket s = listener.accept();
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connections.add(s);
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}
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} catch (Exception e) {
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if (!listener.isClosed()) {
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e.printStackTrace();
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}
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}
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}
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int connectionCount() {
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return connections.size();
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}
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int port() {
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return listener.getLocalPort();
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}
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@Override
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public void close() throws IOException {
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connections.forEach(s -> {
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try { s.close(); } catch (Exception ignore) { }
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});
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listener.close();
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}
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}
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}
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