572 lines
25 KiB
Java
572 lines
25 KiB
Java
/*
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* Copyright (c) 2018, 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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* @bug 8201186
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* @summary Tests an asynchronous BodySubscriber that completes
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* immediately with a Publisher<List<ByteBuffer>>
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @build jdk.test.lib.net.SimpleSSLContext jdk.httpclient.test.lib.common.HttpServerAdapters
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* @run testng/othervm ResponsePublisher
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*/
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import com.sun.net.httpserver.HttpServer;
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import com.sun.net.httpserver.HttpsConfigurator;
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import com.sun.net.httpserver.HttpsServer;
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import jdk.internal.net.http.common.OperationTrackers;
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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 javax.net.ssl.SSLContext;
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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.net.InetAddress;
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import java.net.InetSocketAddress;
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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.HttpHeaders;
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import java.net.http.HttpRequest;
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import java.net.http.HttpResponse;
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import java.net.http.HttpResponse.BodyHandler;
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import java.net.http.HttpResponse.BodyHandlers;
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import java.net.http.HttpResponse.BodySubscriber;
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import java.net.http.HttpResponse.BodySubscribers;
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import java.nio.ByteBuffer;
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import java.util.List;
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import java.util.Objects;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.CompletionException;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Flow;
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import java.util.concurrent.Flow.Publisher;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.function.Supplier;
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import jdk.httpclient.test.lib.common.HttpServerAdapters;
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import jdk.httpclient.test.lib.http2.Http2TestServer;
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import static java.lang.System.out;
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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.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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public class ResponsePublisher implements HttpServerAdapters {
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SSLContext sslContext;
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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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String httpURI_fixed;
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String httpURI_chunk;
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String httpsURI_fixed;
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String httpsURI_chunk;
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String http2URI_fixed;
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String http2URI_chunk;
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String https2URI_fixed;
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String https2URI_chunk;
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static final int ITERATION_COUNT = 3;
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// a shared executor helps reduce the amount of threads created by the test
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static final Executor executor = Executors.newCachedThreadPool();
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static final long start = System.nanoTime();
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public static String now() {
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long now = System.nanoTime() - start;
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long secs = now / 1000_000_000;
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long mill = (now % 1000_000_000) / 1000_000;
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long nan = now % 1000_000;
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return String.format("[%d s, %d ms, %d ns] ", secs, mill, nan);
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}
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interface BHS extends Supplier<BodyHandler<Publisher<List<ByteBuffer>>>> {
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static BHS of(BHS impl, String name) {
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return new BHSImpl(impl, name);
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}
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}
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static final class BHSImpl implements BHS {
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final BHS supplier;
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final String name;
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BHSImpl(BHS impl, String name) {
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this.supplier = impl;
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this.name = name;
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}
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@Override
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public String toString() {
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return name;
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}
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@Override
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public BodyHandler<Publisher<List<ByteBuffer>>> get() {
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return supplier.get();
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}
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}
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static final Supplier<BodyHandler<Publisher<List<ByteBuffer>>>> OF_PUBLISHER_API =
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BHS.of(BodyHandlers::ofPublisher, "BodyHandlers::ofPublisher");
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static final Supplier<BodyHandler<Publisher<List<ByteBuffer>>>> OF_PUBLISHER_TEST =
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BHS.of(PublishingBodyHandler::new, "PublishingBodyHandler::new");
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@DataProvider(name = "variants")
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public Object[][] variants() {
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return new Object[][]{
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{ httpURI_fixed, false, OF_PUBLISHER_API },
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{ httpURI_chunk, false, OF_PUBLISHER_API },
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{ httpsURI_fixed, false, OF_PUBLISHER_API },
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{ httpsURI_chunk, false, OF_PUBLISHER_API },
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{ http2URI_fixed, false, OF_PUBLISHER_API },
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{ http2URI_chunk, false, OF_PUBLISHER_API },
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{ https2URI_fixed, false, OF_PUBLISHER_API },
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{ https2URI_chunk, false, OF_PUBLISHER_API },
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{ httpURI_fixed, true, OF_PUBLISHER_API },
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{ httpURI_chunk, true, OF_PUBLISHER_API },
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{ httpsURI_fixed, true, OF_PUBLISHER_API },
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{ httpsURI_chunk, true, OF_PUBLISHER_API },
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{ http2URI_fixed, true, OF_PUBLISHER_API },
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{ http2URI_chunk, true, OF_PUBLISHER_API },
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{ https2URI_fixed, true, OF_PUBLISHER_API },
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{ https2URI_chunk, true, OF_PUBLISHER_API },
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{ httpURI_fixed, false, OF_PUBLISHER_TEST },
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{ httpURI_chunk, false, OF_PUBLISHER_TEST },
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{ httpsURI_fixed, false, OF_PUBLISHER_TEST },
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{ httpsURI_chunk, false, OF_PUBLISHER_TEST },
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{ http2URI_fixed, false, OF_PUBLISHER_TEST },
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{ http2URI_chunk, false, OF_PUBLISHER_TEST },
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{ https2URI_fixed, false, OF_PUBLISHER_TEST },
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{ https2URI_chunk, false, OF_PUBLISHER_TEST },
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{ httpURI_fixed, true, OF_PUBLISHER_TEST },
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{ httpURI_chunk, true, OF_PUBLISHER_TEST },
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{ httpsURI_fixed, true, OF_PUBLISHER_TEST },
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{ httpsURI_chunk, true, OF_PUBLISHER_TEST },
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{ http2URI_fixed, true, OF_PUBLISHER_TEST },
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{ http2URI_chunk, true, OF_PUBLISHER_TEST },
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{ https2URI_fixed, true, OF_PUBLISHER_TEST },
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{ https2URI_chunk, true, OF_PUBLISHER_TEST },
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};
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}
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final ReferenceTracker TRACKER = ReferenceTracker.INSTANCE;
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HttpClient newHttpClient() {
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return TRACKER.track(HttpClient.newBuilder()
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.executor(executor)
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.sslContext(sslContext)
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.build());
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}
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@Test(dataProvider = "variants")
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public void testExceptions(String uri, boolean sameClient, BHS handlers) throws Exception {
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HttpClient client = null;
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for (int i=0; i< ITERATION_COUNT; i++) {
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if (!sameClient || client == null)
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client = newHttpClient();
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
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.build();
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BodyHandler<Publisher<List<ByteBuffer>>> handler = handlers.get();
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HttpResponse<Publisher<List<ByteBuffer>>> response = client.send(req, handler);
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try {
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response.body().subscribe(null);
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throw new RuntimeException("Expected NPE not thrown");
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} catch (NullPointerException x) {
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System.out.println("Got expected NPE: " + x);
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}
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// We can reuse our BodySubscribers implementations to subscribe to the
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// Publisher<List<ByteBuffer>>
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BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
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response.body().subscribe(ofString);
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BodySubscriber<String> ofString2 = BodySubscribers.ofString(UTF_8);
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response.body().subscribe(ofString2);
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try {
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ofString2.getBody().toCompletableFuture().join();
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throw new RuntimeException("Expected ISE not thrown");
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} catch (CompletionException x) {
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Throwable cause = x.getCause();
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if (cause instanceof IllegalStateException) {
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System.out.println("Got expected ISE: " + cause);
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} else {
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throw x;
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}
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}
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// Get the final result and compare it with the expected body
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String body = ofString.getBody().toCompletableFuture().get();
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assertEquals(body, "");
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// ensure client closes before next iteration
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if (!sameClient) {
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var tracker = TRACKER.getTracker(client);
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client = null;
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clientCleanup(tracker);
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}
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}
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}
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@Test(dataProvider = "variants")
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public void testNoBody(String uri, boolean sameClient, BHS handlers) throws Exception {
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HttpClient client = null;
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for (int i=0; i< ITERATION_COUNT; i++) {
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if (!sameClient || client == null)
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client = newHttpClient();
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
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.build();
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BodyHandler<Publisher<List<ByteBuffer>>> handler = handlers.get();
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HttpResponse<Publisher<List<ByteBuffer>>> response = client.send(req, handler);
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// We can reuse our BodySubscribers implementations to subscribe to the
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// Publisher<List<ByteBuffer>>
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BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
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// get the Publisher<List<ByteBuffer>> and
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// subscribe to it.
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response.body().subscribe(ofString);
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// Get the final result and compare it with the expected body
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String body = ofString.getBody().toCompletableFuture().get();
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assertEquals(body, "");
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// ensure client closes before next iteration
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if (!sameClient) {
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var tracker = TRACKER.getTracker(client);
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client = null;
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clientCleanup(tracker);
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}
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}
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}
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@Test(dataProvider = "variants")
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public void testNoBodyAsync(String uri, boolean sameClient, BHS handlers) throws Exception {
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HttpClient client = null;
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for (int i=0; i< ITERATION_COUNT; i++) {
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if (!sameClient || client == null)
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client = newHttpClient();
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
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.build();
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BodyHandler<Publisher<List<ByteBuffer>>> handler = handlers.get();
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// We can reuse our BodySubscribers implementations to subscribe to the
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// Publisher<List<ByteBuffer>>
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BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
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CompletableFuture<String> result =
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client.sendAsync(req, handler).thenCompose(
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(responsePublisher) -> {
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// get the Publisher<List<ByteBuffer>> and
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// subscribe to it.
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responsePublisher.body().subscribe(ofString);
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return ofString.getBody();
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});
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// Get the final result and compare it with the expected body
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assertEquals(result.get(), "");
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// ensure client closes before next iteration
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if (!sameClient) {
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var tracker = TRACKER.getTracker(client);
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client = null;
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clientCleanup(tracker);
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}
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}
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}
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@Test(dataProvider = "variants")
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public void testAsString(String uri, boolean sameClient, BHS handlers) throws Exception {
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HttpClient client = null;
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for (int i=0; i< ITERATION_COUNT; i++) {
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if (!sameClient || client == null)
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client = newHttpClient();
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri+"/withBody"))
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.build();
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BodyHandler<Publisher<List<ByteBuffer>>> handler = handlers.get();
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HttpResponse<Publisher<List<ByteBuffer>>> response = client.send(req, handler);
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// We can reuse our BodySubscribers implementations to subscribe to the
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// Publisher<List<ByteBuffer>>
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BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
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// get the Publisher<List<ByteBuffer>> and
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// subscribe to it.
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response.body().subscribe(ofString);
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// Get the final result and compare it with the expected body
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String body = ofString.getBody().toCompletableFuture().get();
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assertEquals(body, WITH_BODY);
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// ensure client closes before next iteration
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if (!sameClient) {
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var tracker = TRACKER.getTracker(client);
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client = null;
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clientCleanup(tracker);
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}
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}
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}
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@Test(dataProvider = "variants")
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public void testAsStringAsync(String uri, boolean sameClient, BHS handlers) throws Exception {
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HttpClient client = null;
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for (int i=0; i< ITERATION_COUNT; i++) {
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if (!sameClient || client == null)
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client = newHttpClient();
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri+"/withBody"))
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.build();
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BodyHandler<Publisher<List<ByteBuffer>>> handler = handlers.get();
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// We can reuse our BodySubscribers implementations to subscribe to the
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// Publisher<List<ByteBuffer>>
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BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
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CompletableFuture<String> result = client.sendAsync(req, handler)
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.thenCompose((responsePublisher) -> {
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// get the Publisher<List<ByteBuffer>> and
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// subscribe to it.
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responsePublisher.body().subscribe(ofString);
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return ofString.getBody();
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});
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// Get the final result and compare it with the expected body
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String body = result.get();
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assertEquals(body, WITH_BODY);
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// ensure client closes before next iteration
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if (!sameClient) {
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var tracker = TRACKER.getTracker(client);
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client = null;
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clientCleanup(tracker);
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}
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}
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}
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// A BodyHandler that returns PublishingBodySubscriber instances
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static class PublishingBodyHandler implements BodyHandler<Publisher<List<ByteBuffer>>> {
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@Override
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public BodySubscriber<Publisher<List<ByteBuffer>>> apply(HttpResponse.ResponseInfo rinfo) {
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assertEquals(rinfo.statusCode(), 200);
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return new PublishingBodySubscriber();
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}
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}
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// A BodySubscriber that returns a Publisher<List<ByteBuffer>>
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static class PublishingBodySubscriber implements BodySubscriber<Publisher<List<ByteBuffer>>> {
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private final CompletableFuture<Flow.Subscription> subscriptionCF = new CompletableFuture<>();
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private final CompletableFuture<Flow.Subscriber<? super List<ByteBuffer>>> subscribedCF = new CompletableFuture<>();
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private AtomicReference<Flow.Subscriber<? super List<ByteBuffer>>> subscriberRef = new AtomicReference<>();
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private final CompletionStage<Publisher<List<ByteBuffer>>> body =
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subscriptionCF.thenCompose((s) -> CompletableFuture.completedStage(this::subscribe));
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//CompletableFuture.completedStage(this::subscribe);
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private void subscribe(Flow.Subscriber<? super List<ByteBuffer>> subscriber) {
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Objects.requireNonNull(subscriber, "subscriber must not be null");
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if (subscriberRef.compareAndSet(null, subscriber)) {
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subscriptionCF.thenAccept((s) -> {
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subscriber.onSubscribe(s);
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subscribedCF.complete(subscriber);
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});
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} else {
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subscriber.onSubscribe(new Flow.Subscription() {
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@Override public void request(long n) { }
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@Override public void cancel() { }
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});
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subscriber.onError(
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new IllegalStateException("This publisher has already one subscriber"));
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}
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}
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@Override
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public void onSubscribe(Flow.Subscription subscription) {
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subscriptionCF.complete(subscription);
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}
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@Override
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public void onNext(List<ByteBuffer> item) {
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assert subscriptionCF.isDone(); // cannot be called before onSubscribe()
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Flow.Subscriber<? super List<ByteBuffer>> subscriber = subscriberRef.get();
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assert subscriber != null; // cannot be called before subscriber calls request(1)
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subscriber.onNext(item);
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}
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@Override
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public void onError(Throwable throwable) {
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assert subscriptionCF.isDone(); // cannot be called before onSubscribe()
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// onError can be called before request(1), and therefore can
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// be called before subscriberRef is set.
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subscribedCF.thenAccept(s -> s.onError(throwable));
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}
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@Override
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public void onComplete() {
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assert subscriptionCF.isDone(); // cannot be called before onSubscribe()
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// onComplete can be called before request(1), and therefore can
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// be called before subscriberRef is set.
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subscribedCF.thenAccept(s -> s.onComplete());
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}
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@Override
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public CompletionStage<Publisher<List<ByteBuffer>>> getBody() {
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return body;
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}
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}
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static String serverAuthority(HttpServer server) {
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return InetAddress.getLoopbackAddress().getHostName() + ":"
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+ server.getAddress().getPort();
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}
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@BeforeTest
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public void setup() throws Exception {
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sslContext = new SimpleSSLContext().get();
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if (sslContext == null)
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throw new AssertionError("Unexpected null sslContext");
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// HTTP/1.1
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HttpTestHandler h1_fixedLengthHandler = new HTTP_FixedLengthHandler();
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HttpTestHandler h1_chunkHandler = new HTTP_VariableLengthHandler();
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httpTestServer = HttpTestServer.create(HTTP_1_1);
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httpTestServer.addHandler( h1_fixedLengthHandler, "/http1/fixed");
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httpTestServer.addHandler(h1_chunkHandler,"/http1/chunk");
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httpURI_fixed = "http://" + httpTestServer.serverAuthority() + "/http1/fixed";
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httpURI_chunk = "http://" + httpTestServer.serverAuthority() + "/http1/chunk";
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httpsTestServer = HttpTestServer.create(HTTP_1_1, sslContext);
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httpsTestServer.addHandler(h1_fixedLengthHandler, "/https1/fixed");
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httpsTestServer.addHandler(h1_chunkHandler, "/https1/chunk");
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httpsURI_fixed = "https://" + httpsTestServer.serverAuthority() + "/https1/fixed";
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httpsURI_chunk = "https://" + httpsTestServer.serverAuthority() + "/https1/chunk";
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// HTTP/2
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HttpTestHandler h2_fixedLengthHandler = new HTTP_FixedLengthHandler();
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HttpTestHandler h2_chunkedHandler = new HTTP_VariableLengthHandler();
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http2TestServer = HttpTestServer.create(HTTP_2);
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http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed");
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http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk");
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http2URI_fixed = "http://" + http2TestServer.serverAuthority() + "/http2/fixed";
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http2URI_chunk = "http://" + http2TestServer.serverAuthority() + "/http2/chunk";
|
|
|
|
https2TestServer = HttpTestServer.create(HTTP_2, sslContext);
|
|
https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed");
|
|
https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk");
|
|
https2URI_fixed = "https://" + https2TestServer.serverAuthority() + "/https2/fixed";
|
|
https2URI_chunk = "https://" + https2TestServer.serverAuthority() + "/https2/chunk";
|
|
|
|
httpTestServer.start();
|
|
httpsTestServer.start();
|
|
http2TestServer.start();
|
|
https2TestServer.start();
|
|
}
|
|
|
|
@AfterTest
|
|
public void teardown() throws Exception {
|
|
Thread.sleep(100);
|
|
AssertionError fail = TRACKER.check(500);
|
|
try {
|
|
httpTestServer.stop();
|
|
httpsTestServer.stop();
|
|
http2TestServer.stop();
|
|
https2TestServer.stop();
|
|
} finally {
|
|
if (fail != null) {
|
|
throw fail;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Wait for the client to be garbage collected.
|
|
// we use the ReferenceTracker API rather than HttpClient::close here,
|
|
// because we want to get some diagnosis if a client doesn't release
|
|
// its resources and terminates as expected
|
|
// By using the ReferenceTracker, we will get some diagnosis about what
|
|
// is keeping the client alive if it doesn't get GC'ed within the
|
|
// expected time frame.
|
|
public void clientCleanup(OperationTrackers.Tracker tracker){
|
|
System.gc();
|
|
System.out.println(now() + "waiting for client to shutdown: " + tracker.getName());
|
|
System.err.println(now() + "waiting for client to shutdown: " + tracker.getName());
|
|
var error = TRACKER.check(tracker, 10000);
|
|
if (error != null) throw error;
|
|
System.out.println(now() + "client shutdown normally: " + tracker.getName());
|
|
System.err.println(now() + "client shutdown normally: " + tracker.getName());
|
|
}
|
|
|
|
static final String WITH_BODY = "Lorem ipsum dolor sit amet, consectetur" +
|
|
" adipiscing elit, sed do eiusmod tempor incididunt ut labore et" +
|
|
" dolore magna aliqua. Ut enim ad minim veniam, quis nostrud" +
|
|
" exercitation ullamco laboris nisi ut aliquip ex ea" +
|
|
" commodo consequat. Duis aute irure dolor in reprehenderit in " +
|
|
"voluptate velit esse cillum dolore eu fugiat nulla pariatur." +
|
|
" Excepteur sint occaecat cupidatat non proident, sunt in culpa qui" +
|
|
" officia deserunt mollit anim id est laborum.";
|
|
|
|
static class HTTP_FixedLengthHandler implements HttpTestHandler {
|
|
@Override
|
|
public void handle(HttpTestExchange t) throws IOException {
|
|
out.println("HTTP_FixedLengthHandler received request to " + t.getRequestURI());
|
|
try (InputStream is = t.getRequestBody()) {
|
|
is.readAllBytes();
|
|
}
|
|
if (t.getRequestURI().getPath().endsWith("/withBody")) {
|
|
byte[] bytes = WITH_BODY.getBytes(UTF_8);
|
|
t.sendResponseHeaders(200, bytes.length); // body
|
|
try (OutputStream os = t.getResponseBody()) {
|
|
os.write(bytes);
|
|
}
|
|
} else {
|
|
t.sendResponseHeaders(200, 0); //no body
|
|
}
|
|
}
|
|
}
|
|
|
|
static class HTTP_VariableLengthHandler implements HttpTestHandler {
|
|
@Override
|
|
public void handle(HttpTestExchange t) throws IOException {
|
|
out.println("HTTP_VariableLengthHandler received request to " + t.getRequestURI());
|
|
try (InputStream is = t.getRequestBody()) {
|
|
is.readAllBytes();
|
|
}
|
|
t.sendResponseHeaders(200, -1); //chunked or variable
|
|
if (t.getRequestURI().getPath().endsWith("/withBody")) {
|
|
byte[] bytes = WITH_BODY.getBytes(UTF_8);
|
|
try (OutputStream os = t.getResponseBody()) {
|
|
int chunkLen = bytes.length/10;
|
|
if (chunkLen == 0) {
|
|
os.write(bytes);
|
|
} else {
|
|
int count = 0;
|
|
for (int i=0; i<10; i++) {
|
|
os.write(bytes, count, chunkLen);
|
|
os.flush();
|
|
count += chunkLen;
|
|
}
|
|
os.write(bytes, count, bytes.length % chunkLen);
|
|
count += bytes.length % chunkLen;
|
|
assert count == bytes.length;
|
|
}
|
|
}
|
|
} else {
|
|
t.getResponseBody().close(); // no body
|
|
}
|
|
}
|
|
}
|
|
}
|