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466 lines
20 KiB
Java
466 lines
20 KiB
Java
/*
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* Copyright (c) 2023, 2025, 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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* @bug 8267140
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* @summary Test for HttpClient::close. Any running operation should
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* succeed and the client should eventually exit.
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* This test tests close, awaitTermination, and
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* isTerminated.
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @build jdk.httpclient.test.lib.http2.Http2TestServer jdk.test.lib.net.SimpleSSLContext
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* ReferenceTracker
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* @run testng/othervm
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* -Djdk.internal.httpclient.debug=true
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* -Djdk.httpclient.HttpClient.log=trace,headers,requests
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* HttpClientClose
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*/
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// -Djdk.internal.httpclient.debug=true
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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.io.OutputStream;
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import java.io.UncheckedIOException;
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import java.net.URI;
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import java.net.http.HttpClient;
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import java.net.http.HttpClient.Redirect;
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import java.net.http.HttpClient.Version;
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import java.net.http.HttpRequest;
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import java.net.http.HttpOption.Http3DiscoveryMode;
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import java.net.http.HttpResponse;
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import java.net.http.HttpResponse.BodyHandlers;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Flow.Publisher;
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import java.util.concurrent.Flow.Subscriber;
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import java.util.concurrent.Flow.Subscription;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicLong;
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import jdk.httpclient.test.lib.common.HttpServerAdapters;
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import javax.net.ssl.SSLContext;
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import jdk.test.lib.RandomFactory;
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import jdk.test.lib.net.SimpleSSLContext;
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import org.testng.annotations.AfterTest;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import static java.lang.System.out;
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import static java.net.http.HttpClient.Builder.NO_PROXY;
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import static java.net.http.HttpClient.Version.HTTP_1_1;
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import static java.net.http.HttpClient.Version.HTTP_2;
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import static java.net.http.HttpClient.Version.HTTP_3;
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import static java.net.http.HttpOption.Http3DiscoveryMode.ALT_SVC;
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import static java.net.http.HttpOption.Http3DiscoveryMode.HTTP_3_URI_ONLY;
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import static java.net.http.HttpOption.H3_DISCOVERY;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertNotNull;
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import static org.testng.Assert.assertTrue;
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import static org.testng.Assert.fail;
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public class HttpClientClose implements HttpServerAdapters {
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static {
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HttpServerAdapters.enableServerLogging();
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}
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static final Random RANDOM = RandomFactory.getRandom();
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ExecutorService readerService;
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private static final SSLContext sslContext = SimpleSSLContext.findSSLContext();
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HttpTestServer httpTestServer; // HTTP/1.1 [ 4 servers ]
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HttpTestServer httpsTestServer; // HTTPS/1.1
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HttpTestServer http2TestServer; // HTTP/2 ( h2c )
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HttpTestServer https2TestServer; // HTTP/2 ( h2 )
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HttpTestServer h2h3TestServer; // HTTP/3 ( h2 + h3 )
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HttpTestServer h3TestServer; // HTTP/3 ( h3 )
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String httpURI;
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String httpsURI;
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String http2URI;
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String https2URI;
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String h2h3URI;
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String h2h3Head;
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String h3URI;
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static final String MESSAGE = "HttpClientClose message body";
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static final int ITERATIONS = 3;
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@DataProvider(name = "positive")
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public Object[][] positive() {
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return new Object[][] {
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{ h2h3URI, HTTP_3, h2h3TestServer.h3DiscoveryConfig()},
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{ h3URI, HTTP_3, h3TestServer.h3DiscoveryConfig()},
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{ httpURI, HTTP_1_1, ALT_SVC}, // do not attempt HTTP/3
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{ httpsURI, HTTP_1_1, ALT_SVC}, // do not attempt HTTP/3
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{ http2URI, HTTP_2, ALT_SVC}, // do not attempt HTTP/3
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{ https2URI, HTTP_2, ALT_SVC}, // do not attempt HTTP/3
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};
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}
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static final AtomicLong requestCounter = new AtomicLong();
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final ReferenceTracker TRACKER = ReferenceTracker.INSTANCE;
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static String readBody(InputStream body) {
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try (InputStream in = body) {
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return new String(in.readAllBytes(), StandardCharsets.UTF_8);
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} catch (IOException io) {
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throw new UncheckedIOException(io);
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}
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}
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private static record CancellingSubscriber<U>(ExchangeResult<?> result)
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implements Subscriber<U> {
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@Override
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public void onSubscribe(Subscription subscription) {
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out.printf("%s: cancelling subscription", result.step());
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subscription.cancel();
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}
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@Override
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public void onNext(U item) {}
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@Override
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public void onError(Throwable throwable) {}
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@Override
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public void onComplete() {}
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}
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private static <U> void ensureClosed(ExchangeResult<U> result) {
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var response = result.response;
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if (response == null) return;
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var body = response.body();
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try {
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if (body instanceof Closeable cl) {
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cl.close();
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} else if (body instanceof Publisher<?> pub) {
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pub.subscribe(new CancellingSubscriber<Object>(result));
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}
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} catch (IOException io) {
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out.printf("%s: Failed to close body: %s", result.step(), io);
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io.printStackTrace(out);
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}
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}
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record ExchangeResult<T>(int step,
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Version version,
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Http3DiscoveryMode config,
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HttpResponse<T> response,
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boolean firstVersionMayNotMatch) {
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static <U> ExchangeResult<U> afterHead(int step, Version version, Http3DiscoveryMode config) {
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return new ExchangeResult<U>(step, version, config, null, false);
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}
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static <U> ExchangeResult<U> ofSequential(int step, Version version, Http3DiscoveryMode config) {
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return new ExchangeResult<U>(step, version, config, null, true);
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}
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ExchangeResult<T> withResponse(HttpResponse<T> response) {
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return new ExchangeResult<T>(step(), version(), config(), response, firstVersionMayNotMatch());
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}
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// Ensures that the input stream gets closed in case of assertion
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ExchangeResult<T> assertResponseState() {
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out.println(step + ": Got response: " + response);
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try {
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out.printf("%s: expect status 200 and version %s (%s) for %s%n", step, version, config,
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response.request().uri());
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assertEquals(response.statusCode(), 200);
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if (step == 0 && version == HTTP_3 && firstVersionMayNotMatch) {
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out.printf("%s: version not checked%n", step);
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} else {
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assertEquals(response.version(), version);
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out.printf("%s: got expected version %s%n", step, response.version());
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}
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} catch (AssertionError error) {
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out.printf("%s: Closing body due to assertion - %s", step, error);
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ensureClosed(this);
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throw error;
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}
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return this;
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}
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}
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static String readBody(int i, HttpResponse<InputStream> resp) {
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try (var in = resp.body()) {
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out.println(i + ": reading body for " + resp.request().uri());
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var body = new String(in.readAllBytes(), StandardCharsets.UTF_8);
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out.println(i + ": got body " + body);
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return body;
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} catch (IOException io) {
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out.println(i + ": failed to read body");
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throw new UncheckedIOException(io);
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}
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}
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void headRequest(HttpClient client) throws Exception {
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HttpRequest request = HttpRequest.newBuilder(URI.create(h2h3Head))
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.version(HTTP_2)
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.HEAD()
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.build();
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var resp = client.send(request, BodyHandlers.discarding());
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assertEquals(resp.statusCode(), 200);
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}
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@Test(dataProvider = "positive")
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void testConcurrent(String uriString, Version version, Http3DiscoveryMode config) throws Exception {
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out.printf("%n---- starting concurrent (%s, %s, %s) ----%n%n", uriString, version, config);
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Throwable failed = null;
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HttpClient toCheck = null;
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List<CompletableFuture<String>> bodies = new ArrayList<>();
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try (HttpClient client = toCheck = newClientBuilderForH3()
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.proxy(NO_PROXY)
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.followRedirects(Redirect.ALWAYS)
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.version(version == HTTP_1_1 ? HTTP_2 : version)
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.sslContext(sslContext)
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.build()) {
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TRACKER.track(client);
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if (version == HTTP_3 && config != HTTP_3_URI_ONLY) {
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headRequest(client);
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}
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for (int i = 0; i < ITERATIONS; i++) {
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URI uri = URI.create(uriString + "/concurrent/iteration-" + i);
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HttpRequest request = HttpRequest.newBuilder(uri)
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.header("X-uuid", "uuid-" + requestCounter.incrementAndGet())
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.setOption(H3_DISCOVERY, config)
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.build();
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out.printf("Iteration %d request: %s%n", i, request.uri());
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CompletableFuture<HttpResponse<InputStream>> responseCF;
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CompletableFuture<String> bodyCF;
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final int si = i;
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ExchangeResult<InputStream> result = ExchangeResult.afterHead(i, version, config);
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responseCF = client.sendAsync(request, BodyHandlers.ofInputStream())
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.thenApply(result::withResponse)
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.thenApplyAsync(ExchangeResult::assertResponseState, readerService)
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.thenApply(ExchangeResult::response);
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bodyCF = responseCF
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.thenApplyAsync((resp) -> readBody(si, resp), readerService)
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.thenApply((s) -> {
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assertEquals(s, MESSAGE);
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return s;
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});
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long sleep = RANDOM.nextLong(5);
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if (sleep > 0) {
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out.printf("%d: sleeping %d ms%n", i, sleep);
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Thread.sleep(sleep);
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}
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var cf = bodyCF;
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bodies.add(cf);
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}
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}
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assertTrue(toCheck.isTerminated());
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// Ensure all CF are eventually completed
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out.printf("waiting for requests to complete%n");
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CompletableFuture.allOf(bodies.toArray(new CompletableFuture<?>[0])).get();
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out.printf("all requests completed%n");
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out.printf("%n---- end concurrent (%s, %s, %s): %s ----%n",
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uriString, version, config,
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failed == null ? "done" : failed.toString());
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}
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@Test(dataProvider = "positive")
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void testSequential(String uriString, Version version, Http3DiscoveryMode config) throws Exception {
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out.printf("%n---- starting sequential (%s, %s, %s) ----%n%n", uriString, version, config);
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Throwable failed = null;
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HttpClient toCheck = null;
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try (HttpClient client = toCheck = newClientBuilderForH3()
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.proxy(NO_PROXY)
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.followRedirects(Redirect.ALWAYS)
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.version(version == HTTP_1_1 ? HTTP_2 : version)
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.sslContext(sslContext)
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.build()) {
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TRACKER.track(client);
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for (int i = 0; i < ITERATIONS; i++) {
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URI uri = URI.create(uriString + "/sequential/iteration-" + i);
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HttpRequest request = HttpRequest.newBuilder(uri)
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.header("X-uuid", "uuid-" + requestCounter.incrementAndGet())
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.setOption(H3_DISCOVERY, config)
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.build();
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out.printf("Iteration %d request: %s%n", i, request.uri());
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final int si = i;
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ExchangeResult<InputStream> result = ExchangeResult.ofSequential(si, version, config);
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CompletableFuture<HttpResponse<InputStream>> responseCF;
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CompletableFuture<String> bodyCF;
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responseCF = client.sendAsync(request, BodyHandlers.ofInputStream())
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.thenApply(result::withResponse)
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.thenApplyAsync(ExchangeResult::assertResponseState, readerService)
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.thenApply(ExchangeResult::response);
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bodyCF = responseCF.thenApplyAsync(HttpResponse::body, readerService)
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.thenApply(HttpClientClose::readBody)
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.thenApply((s) -> {
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assertEquals(s, MESSAGE);
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return s;
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})
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.thenApply((s) -> {
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out.println(si + ": Got body: " + s);
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return s;
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});
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long sleep = RANDOM.nextLong(5);
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if (sleep > 0) {
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out.printf("%d: sleeping %d ms%n", i, sleep);
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Thread.sleep(sleep);
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}
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bodyCF.get();
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}
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}
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assertTrue(toCheck.isTerminated());
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}
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// -- Infrastructure
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@BeforeTest
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public void setup() throws Exception {
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out.println("\n**** Setup ****\n");
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readerService = Executors.newCachedThreadPool();
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httpTestServer = HttpTestServer.create(HTTP_1_1);
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httpTestServer.addHandler(new ServerRequestHandler(), "/http1/exec/");
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httpURI = "http://" + httpTestServer.serverAuthority() + "/http1/exec/retry";
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httpsTestServer = HttpTestServer.create(HTTP_1_1, sslContext);
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httpsTestServer.addHandler(new ServerRequestHandler(),"/https1/exec/");
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httpsURI = "https://" + httpsTestServer.serverAuthority() + "/https1/exec/retry";
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http2TestServer = HttpTestServer.create(HTTP_2);
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http2TestServer.addHandler(new ServerRequestHandler(), "/http2/exec/");
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http2URI = "http://" + http2TestServer.serverAuthority() + "/http2/exec/retry";
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https2TestServer = HttpTestServer.create(HTTP_2, sslContext);
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https2TestServer.addHandler(new ServerRequestHandler(), "/https2/exec/");
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https2URI = "https://" + https2TestServer.serverAuthority() + "/https2/exec/retry";
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h2h3TestServer = HttpTestServer.create(HTTP_3, sslContext);
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h2h3TestServer.addHandler(new ServerRequestHandler(), "/h2h3/exec/");
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h2h3URI = "https://" + h2h3TestServer.serverAuthority() + "/h2h3/exec/retry";
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h2h3TestServer.addHandler(new HttpHeadOrGetHandler(), "/h2h3/head/");
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h2h3Head = "https://" + h2h3TestServer.serverAuthority() + "/h2h3/head/";
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h3TestServer = HttpTestServer.create(HTTP_3_URI_ONLY, sslContext);
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h3TestServer.addHandler(new ServerRequestHandler(), "/h3-only/exec/");
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h3URI = "https://" + h3TestServer.serverAuthority() + "/h3-only/exec/retry";
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httpTestServer.start();
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httpsTestServer.start();
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http2TestServer.start();
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https2TestServer.start();
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h2h3TestServer.start();
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h3TestServer.start();
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}
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@AfterTest
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public void teardown() throws Exception {
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Thread.sleep(100);
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AssertionError fail = TRACKER.checkShutdown(5000);
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try {
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shutdown(readerService);
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httpTestServer.stop();
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httpsTestServer.stop();
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http2TestServer.stop();
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https2TestServer.stop();
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h2h3TestServer.stop();
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h3TestServer.stop();
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} finally {
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if (fail != null) throw fail;
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}
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}
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static void shutdown(ExecutorService executorService) {
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try {
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executorService.shutdown();
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executorService.awaitTermination(2000, TimeUnit.MILLISECONDS);
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} catch (InterruptedException ie) {
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executorService.shutdownNow();
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}
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}
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static class ServerRequestHandler implements HttpTestHandler {
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ConcurrentHashMap<String,String> closedRequests = new ConcurrentHashMap<>();
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@java.lang.Override
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public void handle(HttpTestExchange t) throws IOException {
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out.println("ServerRequestHandler for: " + t.getRequestURI());
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List<String> uuids = t.getRequestHeaders().get("X-uuid");
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if (uuids == null || uuids.size() != 1) {
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readAllRequestData(t);
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try (OutputStream os = t.getResponseBody()) {
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String msg = "Incorrect uuid header values:[" + uuids + "]";
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(new RuntimeException(msg)).printStackTrace();
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t.sendResponseHeaders(500, -1);
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os.write(msg.getBytes(UTF_8));
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}
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return;
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}
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String uuid = uuids.get(0);
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// retrying
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if (closedRequests.putIfAbsent(uuid, t.getRequestURI().toString()) == null) {
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if (t.getExchangeVersion() == HTTP_1_1) {
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// Throwing an exception here only causes a retry
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// with HTTP_1_1 - where it forces the server to close
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// the connection.
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// For HTTP/2 then throwing an IOE would cause the server
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// to close the stream, and throwing anything else would
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// cause it to close the connection, but neither would
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// cause the client to retry.
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// So we simply do not try to retry with HTTP/2.
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out.println("Server will close connection, client will retry: "
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+ t.getRequestURI().toString());
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throw new IOException("Closing on first request");
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}
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}
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// not retrying
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readAllRequestData(t);
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try (OutputStream os = t.getResponseBody()) {
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byte[] bytes = MESSAGE.getBytes(UTF_8);
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t.sendResponseHeaders(200, bytes.length);
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for (int i=0; i<bytes.length; i++) {
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os.write(bytes, i, 1);
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os.flush();
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try {
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Thread.sleep(RANDOM.nextInt(5));
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} catch (InterruptedException x) { }
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}
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}
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closedRequests.remove(uuid);
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}
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}
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static void readAllRequestData(HttpTestExchange t) throws IOException {
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try (InputStream is = t.getRequestBody()) {
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is.readAllBytes();
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}
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}
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}
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