author | chegar |
Fri, 27 Sep 2019 09:55:35 +0100 | |
changeset 58365 | 73950479184b |
parent 52121 | 934969c63223 |
permissions | -rw-r--r-- |
49765 | 1 |
/* |
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* Copyright (c) 2018, 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 Verify that dependent synchronous actions added before the promise CF |
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* completes are executed either asynchronously in an executor when the |
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* CF later completes, or in the user thread that joins. |
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52121
934969c63223
8211978: Move testlibrary/jdk/testlibrary/SimpleSSLContext.java and testkeys to network testlibrary
jjiang
parents:
50681
diff
changeset
|
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* @library /test/lib http2/server |
934969c63223
8211978: Move testlibrary/jdk/testlibrary/SimpleSSLContext.java and testkeys to network testlibrary
jjiang
parents:
50681
diff
changeset
|
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* @build jdk.test.lib.net.SimpleSSLContext HttpServerAdapters DependentPromiseActionsTest |
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* @modules java.base/sun.net.www.http |
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* java.net.http/jdk.internal.net.http.common |
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* java.net.http/jdk.internal.net.http.frame |
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* java.net.http/jdk.internal.net.http.hpack |
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* @run testng/othervm -Djdk.internal.httpclient.debug=true DependentPromiseActionsTest |
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* @run testng/othervm/java.security.policy=dependent.policy |
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* -Djdk.internal.httpclient.debug=true DependentPromiseActionsTest |
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*/ |
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import java.io.BufferedReader; |
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import java.io.InputStreamReader; |
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import java.lang.StackWalker.StackFrame; |
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52121
934969c63223
8211978: Move testlibrary/jdk/testlibrary/SimpleSSLContext.java and testkeys to network testlibrary
jjiang
parents:
50681
diff
changeset
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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.AfterClass; |
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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.URI; |
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import java.net.URISyntaxException; |
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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.PushPromiseHandler; |
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import java.nio.ByteBuffer; |
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import java.nio.charset.StandardCharsets; |
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import java.util.EnumSet; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Optional; |
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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.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentMap; |
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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.Semaphore; |
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import java.util.concurrent.atomic.AtomicLong; |
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import java.util.concurrent.atomic.AtomicReference; |
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import java.util.function.BiPredicate; |
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import java.util.function.Consumer; |
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import java.util.function.Function; |
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import java.util.function.Supplier; |
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import java.util.stream.Collectors; |
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import java.util.stream.Stream; |
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import static java.lang.System.err; |
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import static java.lang.System.out; |
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import static java.lang.String.format; |
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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.assertTrue; |
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public class DependentPromiseActionsTest implements HttpServerAdapters { |
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SSLContext sslContext; |
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HttpTestServer http2TestServer; // HTTP/2 ( h2c ) |
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HttpTestServer https2TestServer; // HTTP/2 ( h2 ) |
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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 StackWalker WALKER = |
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StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE); |
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static final int ITERATION_COUNT = 1; |
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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 = new TestExecutor(Executors.newCachedThreadPool()); |
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static final ConcurrentMap<String, Throwable> FAILURES = new ConcurrentHashMap<>(); |
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static volatile boolean tasksFailed; |
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static final AtomicLong serverCount = new AtomicLong(); |
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static final AtomicLong clientCount = new AtomicLong(); |
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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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private volatile HttpClient sharedClient; |
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static class TestExecutor implements Executor { |
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final AtomicLong tasks = new AtomicLong(); |
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Executor executor; |
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TestExecutor(Executor executor) { |
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this.executor = executor; |
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} |
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@Override |
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public void execute(Runnable command) { |
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long id = tasks.incrementAndGet(); |
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executor.execute(() -> { |
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try { |
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command.run(); |
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} catch (Throwable t) { |
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tasksFailed = true; |
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System.out.printf(now() + "Task %s failed: %s%n", id, t); |
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System.err.printf(now() + "Task %s failed: %s%n", id, t); |
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FAILURES.putIfAbsent("Task " + id, t); |
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throw t; |
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} |
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}); |
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} |
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} |
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@AfterClass |
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static final void printFailedTests() { |
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out.println("\n========================="); |
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try { |
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out.printf("%n%sCreated %d servers and %d clients%n", |
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now(), serverCount.get(), clientCount.get()); |
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if (FAILURES.isEmpty()) return; |
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out.println("Failed tests: "); |
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FAILURES.entrySet().forEach((e) -> { |
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out.printf("\t%s: %s%n", e.getKey(), e.getValue()); |
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e.getValue().printStackTrace(out); |
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e.getValue().printStackTrace(); |
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}); |
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if (tasksFailed) { |
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System.out.println("WARNING: Some tasks failed"); |
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} |
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} finally { |
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out.println("\n=========================\n"); |
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} |
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} |
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private String[] uris() { |
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return new String[] { |
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http2URI_fixed, |
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http2URI_chunk, |
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https2URI_fixed, |
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https2URI_chunk, |
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}; |
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} |
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49944 | 180 |
enum SubscriberType {EAGER, LAZZY} |
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49765 | 182 |
static final class SemaphoreStallerSupplier |
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implements Supplier<SemaphoreStaller> { |
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@Override |
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public SemaphoreStaller get() { |
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return new SemaphoreStaller(); |
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} |
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@Override |
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public String toString() { |
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return "SemaphoreStaller"; |
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} |
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} |
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@DataProvider(name = "noStalls") |
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public Object[][] noThrows() { |
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String[] uris = uris(); |
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Object[][] result = new Object[uris.length * 2][]; |
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int i = 0; |
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for (boolean sameClient : List.of(false, true)) { |
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for (String uri: uris()) { |
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result[i++] = new Object[] {uri, sameClient}; |
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} |
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} |
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assert i == uris.length * 2; |
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return result; |
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} |
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@DataProvider(name = "variants") |
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public Object[][] variants() { |
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String[] uris = uris(); |
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Object[][] result = new Object[uris.length * 2][]; |
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int i = 0; |
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Supplier<? extends Staller> s = new SemaphoreStallerSupplier(); |
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for (Supplier<? extends Staller> staller : List.of(s)) { |
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for (boolean sameClient : List.of(false, true)) { |
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for (String uri : uris()) { |
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result[i++] = new Object[]{uri, sameClient, staller}; |
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} |
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} |
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} |
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assert i == uris.length * 2; |
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return result; |
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} |
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225 |
private HttpClient makeNewClient() { |
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clientCount.incrementAndGet(); |
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return 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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HttpClient newHttpClient(boolean share) { |
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if (!share) return makeNewClient(); |
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HttpClient shared = sharedClient; |
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if (shared != null) return shared; |
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synchronized (this) { |
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shared = sharedClient; |
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if (shared == null) { |
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shared = sharedClient = makeNewClient(); |
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} |
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return shared; |
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} |
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} |
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@Test(dataProvider = "noStalls") |
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public void testNoStalls(String uri, boolean sameClient) |
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throws Exception { |
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HttpClient client = null; |
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out.printf("%ntestNoStalls(%s, %b)%n", uri, sameClient); |
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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(sameClient); |
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HttpRequest req = HttpRequest.newBuilder(URI.create(uri)) |
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.build(); |
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BodyHandler<Stream<String>> handler = |
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new StallingBodyHandler((w) -> {}, |
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BodyHandlers.ofLines()); |
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Map<HttpRequest, CompletableFuture<HttpResponse<Stream<String>>>> pushPromises = |
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new ConcurrentHashMap<>(); |
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PushPromiseHandler<Stream<String>> pushHandler = new PushPromiseHandler<>() { |
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@Override |
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public void applyPushPromise(HttpRequest initiatingRequest, |
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HttpRequest pushPromiseRequest, |
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Function<BodyHandler<Stream<String>>, |
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CompletableFuture<HttpResponse<Stream<String>>>> |
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268 |
acceptor) { |
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pushPromises.putIfAbsent(pushPromiseRequest, acceptor.apply(handler)); |
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} |
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}; |
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HttpResponse<Stream<String>> response = |
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client.sendAsync(req, BodyHandlers.ofLines(), pushHandler).get(); |
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274 |
String body = response.body().collect(Collectors.joining("|")); |
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assertEquals(URI.create(body).getPath(), URI.create(uri).getPath()); |
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276 |
for (HttpRequest promised : pushPromises.keySet()) { |
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277 |
out.printf("%s Received promise: %s%n\tresponse: %s%n", |
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278 |
now(), promised, pushPromises.get(promised).get()); |
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279 |
String promisedBody = pushPromises.get(promised).get().body() |
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280 |
.collect(Collectors.joining("|")); |
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281 |
assertEquals(promisedBody, promised.uri().toASCIIString()); |
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282 |
} |
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283 |
assertEquals(3, pushPromises.size()); |
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284 |
} |
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285 |
} |
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286 |
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287 |
@Test(dataProvider = "variants") |
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288 |
public void testAsStringAsync(String uri, |
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289 |
boolean sameClient, |
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290 |
Supplier<Staller> stallers) |
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291 |
throws Exception |
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292 |
{ |
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293 |
String test = format("testAsStringAsync(%s, %b, %s)", |
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294 |
uri, sameClient, stallers); |
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295 |
testDependent(test, uri, sameClient, BodyHandlers::ofString, |
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49944 | 296 |
this::finish, this::extractString, stallers, |
297 |
SubscriberType.EAGER); |
|
49765 | 298 |
} |
299 |
||
300 |
@Test(dataProvider = "variants") |
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301 |
public void testAsLinesAsync(String uri, |
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302 |
boolean sameClient, |
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303 |
Supplier<Staller> stallers) |
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304 |
throws Exception |
|
305 |
{ |
|
306 |
String test = format("testAsLinesAsync(%s, %b, %s)", |
|
307 |
uri, sameClient, stallers); |
|
308 |
testDependent(test, uri, sameClient, BodyHandlers::ofLines, |
|
49944 | 309 |
this::finish, this::extractStream, stallers, |
310 |
SubscriberType.LAZZY); |
|
49765 | 311 |
} |
312 |
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313 |
@Test(dataProvider = "variants") |
|
314 |
public void testAsInputStreamAsync(String uri, |
|
315 |
boolean sameClient, |
|
316 |
Supplier<Staller> stallers) |
|
317 |
throws Exception |
|
318 |
{ |
|
319 |
String test = format("testAsInputStreamAsync(%s, %b, %s)", |
|
320 |
uri, sameClient, stallers); |
|
321 |
testDependent(test, uri, sameClient, BodyHandlers::ofInputStream, |
|
49944 | 322 |
this::finish, this::extractInputStream, stallers, |
323 |
SubscriberType.LAZZY); |
|
49765 | 324 |
} |
325 |
||
326 |
private <T,U> void testDependent(String name, String uri, boolean sameClient, |
|
327 |
Supplier<BodyHandler<T>> handlers, |
|
328 |
Finisher finisher, |
|
329 |
Extractor<T> extractor, |
|
49944 | 330 |
Supplier<Staller> stallers, |
331 |
SubscriberType subscriberType) |
|
49765 | 332 |
throws Exception |
333 |
{ |
|
334 |
out.printf("%n%s%s%n", now(), name); |
|
335 |
try { |
|
49944 | 336 |
testDependent(uri, sameClient, handlers, finisher, |
337 |
extractor, stallers, subscriberType); |
|
49765 | 338 |
} catch (Error | Exception x) { |
339 |
FAILURES.putIfAbsent(name, x); |
|
340 |
throw x; |
|
341 |
} |
|
342 |
} |
|
343 |
||
344 |
private <T,U> void testDependent(String uri, boolean sameClient, |
|
345 |
Supplier<BodyHandler<T>> handlers, |
|
346 |
Finisher finisher, |
|
347 |
Extractor<T> extractor, |
|
49944 | 348 |
Supplier<Staller> stallers, |
349 |
SubscriberType subscriberType) |
|
49765 | 350 |
throws Exception |
351 |
{ |
|
352 |
HttpClient client = null; |
|
353 |
for (Where where : EnumSet.of(Where.BODY_HANDLER)) { |
|
354 |
if (!sameClient || client == null) |
|
355 |
client = newHttpClient(sameClient); |
|
356 |
||
357 |
HttpRequest req = HttpRequest. |
|
358 |
newBuilder(URI.create(uri)) |
|
359 |
.build(); |
|
360 |
StallingPushPromiseHandler<T> promiseHandler = |
|
361 |
new StallingPushPromiseHandler<>(where, handlers, stallers); |
|
362 |
BodyHandler<T> handler = handlers.get(); |
|
363 |
System.out.println("try stalling in " + where); |
|
364 |
CompletableFuture<HttpResponse<T>> responseCF = |
|
365 |
client.sendAsync(req, handler, promiseHandler); |
|
49944 | 366 |
assert subscriberType == SubscriberType.LAZZY || !responseCF.isDone(); |
49765 | 367 |
finisher.finish(where, responseCF, promiseHandler, extractor); |
368 |
} |
|
369 |
} |
|
370 |
||
371 |
enum Where { |
|
372 |
ON_PUSH_PROMISE, BODY_HANDLER, ON_SUBSCRIBE, ON_NEXT, ON_COMPLETE, ON_ERROR, GET_BODY, BODY_CF; |
|
373 |
public Consumer<Where> select(Consumer<Where> consumer) { |
|
374 |
return new Consumer<Where>() { |
|
375 |
@Override |
|
376 |
public void accept(Where where) { |
|
377 |
if (Where.this == where) { |
|
378 |
consumer.accept(where); |
|
379 |
} |
|
380 |
} |
|
381 |
}; |
|
382 |
} |
|
383 |
} |
|
384 |
||
385 |
static final class StallingPushPromiseHandler<T> implements PushPromiseHandler<T> { |
|
386 |
||
387 |
static final class Tuple<U> { |
|
388 |
public final CompletableFuture<HttpResponse<U>> response; |
|
389 |
public final Staller staller; |
|
390 |
public final AtomicReference<RuntimeException> failed; |
|
391 |
Tuple(AtomicReference<RuntimeException> failed, |
|
392 |
CompletableFuture<HttpResponse<U>> response, |
|
393 |
Staller staller) { |
|
394 |
this.response = response; |
|
395 |
this.staller = staller; |
|
396 |
this.failed = failed; |
|
397 |
} |
|
398 |
} |
|
399 |
||
400 |
public final ConcurrentMap<HttpRequest, Tuple<T>> promiseMap = |
|
401 |
new ConcurrentHashMap<>(); |
|
402 |
private final Supplier<Staller> stallers; |
|
403 |
private final Supplier<BodyHandler<T>> handlers; |
|
404 |
private final Where where; |
|
405 |
private final Thread thread = Thread.currentThread(); // main thread |
|
406 |
||
407 |
StallingPushPromiseHandler(Where where, |
|
408 |
Supplier<BodyHandler<T>> handlers, |
|
409 |
Supplier<Staller> stallers) { |
|
410 |
this.where = where; |
|
411 |
this.handlers = handlers; |
|
412 |
this.stallers = stallers; |
|
413 |
} |
|
414 |
||
415 |
@Override |
|
416 |
public void applyPushPromise(HttpRequest initiatingRequest, |
|
417 |
HttpRequest pushPromiseRequest, |
|
418 |
Function<BodyHandler<T>, |
|
419 |
CompletableFuture<HttpResponse<T>>> acceptor) { |
|
420 |
AtomicReference<RuntimeException> failed = new AtomicReference<>(); |
|
421 |
Staller staller = stallers.get(); |
|
422 |
staller.acquire(); |
|
423 |
assert staller.willStall(); |
|
424 |
try { |
|
425 |
BodyHandler handler = new StallingBodyHandler<>( |
|
426 |
where.select(staller), handlers.get()); |
|
427 |
CompletableFuture<HttpResponse<T>> cf = acceptor.apply(handler); |
|
428 |
Tuple<T> tuple = new Tuple(failed, cf, staller); |
|
429 |
promiseMap.putIfAbsent(pushPromiseRequest, tuple); |
|
430 |
CompletableFuture<?> done = cf.whenComplete( |
|
431 |
(r, t) -> checkThreadAndStack(thread, failed, r, t)); |
|
432 |
assert !cf.isDone(); |
|
433 |
} finally { |
|
434 |
staller.release(); |
|
435 |
} |
|
436 |
} |
|
437 |
} |
|
438 |
||
439 |
interface Extractor<T> { |
|
440 |
public List<String> extract(HttpResponse<T> resp); |
|
441 |
} |
|
442 |
||
443 |
final List<String> extractString(HttpResponse<String> resp) { |
|
444 |
return List.of(resp.body()); |
|
445 |
} |
|
446 |
||
447 |
final List<String> extractStream(HttpResponse<Stream<String>> resp) { |
|
448 |
return resp.body().collect(Collectors.toList()); |
|
449 |
} |
|
450 |
||
451 |
final List<String> extractInputStream(HttpResponse<InputStream> resp) { |
|
452 |
try (InputStream is = resp.body()) { |
|
453 |
return new BufferedReader(new InputStreamReader(is)) |
|
454 |
.lines().collect(Collectors.toList()); |
|
455 |
} catch (IOException x) { |
|
456 |
throw new CompletionException(x); |
|
457 |
} |
|
458 |
} |
|
459 |
||
460 |
interface Finisher<T> { |
|
461 |
public void finish(Where w, |
|
462 |
CompletableFuture<HttpResponse<T>> cf, |
|
463 |
StallingPushPromiseHandler<T> ph, |
|
464 |
Extractor<T> extractor); |
|
465 |
} |
|
466 |
||
467 |
static Optional<StackFrame> findFrame(Stream<StackFrame> s, String name) { |
|
468 |
return s.filter((f) -> f.getClassName().contains(name)) |
|
469 |
.filter((f) -> f.getDeclaringClass().getModule().equals(HttpClient.class.getModule())) |
|
470 |
.findFirst(); |
|
471 |
} |
|
472 |
||
473 |
static <T> void checkThreadAndStack(Thread thread, |
|
474 |
AtomicReference<RuntimeException> failed, |
|
475 |
T result, |
|
476 |
Throwable error) { |
|
477 |
if (Thread.currentThread() == thread) { |
|
478 |
//failed.set(new RuntimeException("Dependant action was executed in " + thread)); |
|
479 |
List<StackFrame> httpStack = WALKER.walk(s -> s.filter(f -> f.getDeclaringClass() |
|
480 |
.getModule().equals(HttpClient.class.getModule())) |
|
481 |
.collect(Collectors.toList())); |
|
482 |
if (!httpStack.isEmpty()) { |
|
483 |
System.out.println("Found unexpected trace: "); |
|
484 |
httpStack.forEach(f -> System.out.printf("\t%s%n", f)); |
|
485 |
failed.set(new RuntimeException("Dependant action has unexpected frame in " + |
|
486 |
Thread.currentThread() + ": " + httpStack.get(0))); |
|
487 |
||
488 |
} return; |
|
489 |
} else if (System.getSecurityManager() != null) { |
|
490 |
Optional<StackFrame> sf = WALKER.walk(s -> findFrame(s, "PrivilegedRunnable")); |
|
491 |
if (!sf.isPresent()) { |
|
492 |
failed.set(new RuntimeException("Dependant action does not have expected frame in " |
|
493 |
+ Thread.currentThread())); |
|
494 |
return; |
|
495 |
} else { |
|
496 |
System.out.println("Found expected frame: " + sf.get()); |
|
497 |
} |
|
498 |
} else { |
|
499 |
List<StackFrame> httpStack = WALKER.walk(s -> s.filter(f -> f.getDeclaringClass() |
|
500 |
.getModule().equals(HttpClient.class.getModule())) |
|
501 |
.collect(Collectors.toList())); |
|
502 |
if (!httpStack.isEmpty()) { |
|
503 |
System.out.println("Found unexpected trace: "); |
|
504 |
httpStack.forEach(f -> System.out.printf("\t%s%n", f)); |
|
505 |
failed.set(new RuntimeException("Dependant action has unexpected frame in " + |
|
506 |
Thread.currentThread() + ": " + httpStack.get(0))); |
|
507 |
||
508 |
} |
|
509 |
} |
|
510 |
} |
|
511 |
||
512 |
<T> void finish(Where w, |
|
513 |
StallingPushPromiseHandler.Tuple<T> tuple, |
|
514 |
Extractor<T> extractor) { |
|
515 |
AtomicReference<RuntimeException> failed = tuple.failed; |
|
516 |
CompletableFuture<HttpResponse<T>> done = tuple.response; |
|
517 |
Staller staller = tuple.staller; |
|
518 |
try { |
|
519 |
HttpResponse<T> response = done.join(); |
|
520 |
List<String> result = extractor.extract(response); |
|
521 |
URI uri = response.uri(); |
|
522 |
RuntimeException error = failed.get(); |
|
523 |
if (error != null) { |
|
524 |
throw new RuntimeException("Test failed in " |
|
525 |
+ w + ": " + uri, error); |
|
526 |
} |
|
527 |
assertEquals(result, List.of(response.request().uri().toASCIIString())); |
|
528 |
} finally { |
|
529 |
staller.reset(); |
|
530 |
} |
|
531 |
} |
|
532 |
||
533 |
<T> void finish(Where w, |
|
534 |
CompletableFuture<HttpResponse<T>> cf, |
|
535 |
StallingPushPromiseHandler<T> ph, |
|
536 |
Extractor<T> extractor) { |
|
537 |
HttpResponse<T> response = cf.join(); |
|
538 |
List<String> result = extractor.extract(response); |
|
539 |
for (HttpRequest req : ph.promiseMap.keySet()) { |
|
540 |
finish(w, ph.promiseMap.get(req), extractor); |
|
541 |
} |
|
542 |
assertEquals(ph.promiseMap.size(), 3, |
|
543 |
"Expected 3 push promises for " + w + " in " |
|
544 |
+ response.request().uri()); |
|
545 |
assertEquals(result, List.of(response.request().uri().toASCIIString())); |
|
546 |
||
547 |
} |
|
548 |
||
549 |
interface Staller extends Consumer<Where> { |
|
550 |
void release(); |
|
551 |
void acquire(); |
|
552 |
void reset(); |
|
553 |
boolean willStall(); |
|
554 |
} |
|
555 |
||
556 |
static final class SemaphoreStaller implements Staller { |
|
557 |
final Semaphore sem = new Semaphore(1); |
|
558 |
@Override |
|
559 |
public void accept(Where where) { |
|
560 |
sem.acquireUninterruptibly(); |
|
561 |
} |
|
562 |
||
563 |
@Override |
|
564 |
public void release() { |
|
565 |
sem.release(); |
|
566 |
} |
|
567 |
||
568 |
@Override |
|
569 |
public void acquire() { |
|
570 |
sem.acquireUninterruptibly(); |
|
571 |
} |
|
572 |
||
573 |
@Override |
|
574 |
public void reset() { |
|
575 |
sem.drainPermits(); |
|
576 |
sem.release(); |
|
577 |
} |
|
578 |
||
579 |
@Override |
|
580 |
public boolean willStall() { |
|
581 |
return sem.availablePermits() <= 0; |
|
582 |
} |
|
583 |
||
584 |
@Override |
|
585 |
public String toString() { |
|
586 |
return "SemaphoreStaller"; |
|
587 |
} |
|
588 |
} |
|
589 |
||
590 |
static final class StallingBodyHandler<T> implements BodyHandler<T> { |
|
591 |
final Consumer<Where> stalling; |
|
592 |
final BodyHandler<T> bodyHandler; |
|
593 |
StallingBodyHandler(Consumer<Where> stalling, BodyHandler<T> bodyHandler) { |
|
594 |
this.stalling = stalling; |
|
595 |
this.bodyHandler = bodyHandler; |
|
596 |
} |
|
597 |
@Override |
|
598 |
public BodySubscriber<T> apply(HttpResponse.ResponseInfo rinfo) { |
|
599 |
stalling.accept(Where.BODY_HANDLER); |
|
600 |
BodySubscriber<T> subscriber = bodyHandler.apply(rinfo); |
|
601 |
return new StallingBodySubscriber(stalling, subscriber); |
|
602 |
} |
|
603 |
} |
|
604 |
||
605 |
static final class StallingBodySubscriber<T> implements BodySubscriber<T> { |
|
606 |
private final BodySubscriber<T> subscriber; |
|
607 |
volatile boolean onSubscribeCalled; |
|
608 |
final Consumer<Where> stalling; |
|
609 |
StallingBodySubscriber(Consumer<Where> stalling, BodySubscriber<T> subscriber) { |
|
610 |
this.stalling = stalling; |
|
611 |
this.subscriber = subscriber; |
|
612 |
} |
|
613 |
||
614 |
@Override |
|
615 |
public void onSubscribe(Flow.Subscription subscription) { |
|
616 |
//out.println("onSubscribe "); |
|
617 |
onSubscribeCalled = true; |
|
618 |
stalling.accept(Where.ON_SUBSCRIBE); |
|
619 |
subscriber.onSubscribe(subscription); |
|
620 |
} |
|
621 |
||
622 |
@Override |
|
623 |
public void onNext(List<ByteBuffer> item) { |
|
624 |
// out.println("onNext " + item); |
|
625 |
assertTrue(onSubscribeCalled); |
|
626 |
stalling.accept(Where.ON_NEXT); |
|
627 |
subscriber.onNext(item); |
|
628 |
} |
|
629 |
||
630 |
@Override |
|
631 |
public void onError(Throwable throwable) { |
|
632 |
//out.println("onError"); |
|
633 |
assertTrue(onSubscribeCalled); |
|
634 |
stalling.accept(Where.ON_ERROR); |
|
635 |
subscriber.onError(throwable); |
|
636 |
} |
|
637 |
||
638 |
@Override |
|
639 |
public void onComplete() { |
|
640 |
//out.println("onComplete"); |
|
641 |
assertTrue(onSubscribeCalled, "onComplete called before onSubscribe"); |
|
642 |
stalling.accept(Where.ON_COMPLETE); |
|
643 |
subscriber.onComplete(); |
|
644 |
} |
|
645 |
||
646 |
@Override |
|
647 |
public CompletionStage<T> getBody() { |
|
648 |
stalling.accept(Where.GET_BODY); |
|
649 |
try { |
|
650 |
stalling.accept(Where.BODY_CF); |
|
651 |
} catch (Throwable t) { |
|
652 |
return CompletableFuture.failedFuture(t); |
|
653 |
} |
|
654 |
return subscriber.getBody(); |
|
655 |
} |
|
656 |
} |
|
657 |
||
658 |
||
659 |
@BeforeTest |
|
660 |
public void setup() throws Exception { |
|
661 |
sslContext = new SimpleSSLContext().get(); |
|
662 |
if (sslContext == null) |
|
663 |
throw new AssertionError("Unexpected null sslContext"); |
|
664 |
||
665 |
// HTTP/2 |
|
666 |
HttpTestHandler h2_fixedLengthHandler = new HTTP_FixedLengthHandler(); |
|
667 |
HttpTestHandler h2_chunkedHandler = new HTTP_ChunkedHandler(); |
|
668 |
||
669 |
http2TestServer = HttpTestServer.of(new Http2TestServer("localhost", false, 0)); |
|
670 |
http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed"); |
|
671 |
http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk"); |
|
672 |
http2URI_fixed = "http://" + http2TestServer.serverAuthority() + "/http2/fixed/y"; |
|
673 |
http2URI_chunk = "http://" + http2TestServer.serverAuthority() + "/http2/chunk/y"; |
|
674 |
||
50681 | 675 |
https2TestServer = HttpTestServer.of(new Http2TestServer("localhost", true, sslContext)); |
49765 | 676 |
https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed"); |
677 |
https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk"); |
|
678 |
https2URI_fixed = "https://" + https2TestServer.serverAuthority() + "/https2/fixed/y"; |
|
679 |
https2URI_chunk = "https://" + https2TestServer.serverAuthority() + "/https2/chunk/y"; |
|
680 |
||
681 |
serverCount.addAndGet(4); |
|
682 |
http2TestServer.start(); |
|
683 |
https2TestServer.start(); |
|
684 |
} |
|
685 |
||
686 |
@AfterTest |
|
687 |
public void teardown() throws Exception { |
|
688 |
sharedClient = null; |
|
689 |
http2TestServer.stop(); |
|
690 |
https2TestServer.stop(); |
|
691 |
} |
|
692 |
||
50681 | 693 |
static final BiPredicate<String,String> ACCEPT_ALL = (x, y) -> true; |
694 |
||
695 |
private static void pushPromiseFor(HttpTestExchange t, |
|
696 |
URI requestURI, |
|
697 |
String pushPath, |
|
698 |
boolean fixed) |
|
699 |
throws IOException |
|
49765 | 700 |
{ |
701 |
try { |
|
702 |
URI promise = new URI(requestURI.getScheme(), |
|
703 |
requestURI.getAuthority(), |
|
704 |
pushPath, null, null); |
|
705 |
byte[] promiseBytes = promise.toASCIIString().getBytes(UTF_8); |
|
706 |
out.printf("TestServer: %s Pushing promise: %s%n", now(), promise); |
|
707 |
err.printf("TestServer: %s Pushing promise: %s%n", now(), promise); |
|
50681 | 708 |
HttpHeaders headers; |
49765 | 709 |
if (fixed) { |
50681 | 710 |
String length = String.valueOf(promiseBytes.length); |
711 |
headers = HttpHeaders.of(Map.of("Content-Length", List.of(length)), |
|
712 |
ACCEPT_ALL); |
|
713 |
} else { |
|
714 |
headers = HttpHeaders.of(Map.of(), ACCEPT_ALL); // empty |
|
49765 | 715 |
} |
716 |
t.serverPush(promise, headers, promiseBytes); |
|
717 |
} catch (URISyntaxException x) { |
|
718 |
throw new IOException(x.getMessage(), x); |
|
719 |
} |
|
720 |
} |
|
721 |
||
722 |
static class HTTP_FixedLengthHandler implements HttpTestHandler { |
|
723 |
@Override |
|
724 |
public void handle(HttpTestExchange t) throws IOException { |
|
725 |
out.println("HTTP_FixedLengthHandler received request to " + t.getRequestURI()); |
|
726 |
try (InputStream is = t.getRequestBody()) { |
|
727 |
is.readAllBytes(); |
|
728 |
} |
|
729 |
URI requestURI = t.getRequestURI(); |
|
730 |
for (int i = 1; i<2; i++) { |
|
731 |
String path = requestURI.getPath() + "/before/promise-" + i; |
|
732 |
pushPromiseFor(t, requestURI, path, true); |
|
733 |
} |
|
734 |
byte[] resp = t.getRequestURI().toString().getBytes(StandardCharsets.UTF_8); |
|
735 |
t.sendResponseHeaders(200, resp.length); //fixed content length |
|
736 |
try (OutputStream os = t.getResponseBody()) { |
|
737 |
int bytes = resp.length/3; |
|
738 |
for (int i = 0; i<2; i++) { |
|
739 |
String path = requestURI.getPath() + "/after/promise-" + (i + 2); |
|
740 |
os.write(resp, i * bytes, bytes); |
|
741 |
os.flush(); |
|
742 |
pushPromiseFor(t, requestURI, path, true); |
|
743 |
} |
|
744 |
os.write(resp, 2*bytes, resp.length - 2*bytes); |
|
745 |
} |
|
746 |
} |
|
747 |
||
748 |
} |
|
749 |
||
750 |
static class HTTP_ChunkedHandler implements HttpTestHandler { |
|
751 |
@Override |
|
752 |
public void handle(HttpTestExchange t) throws IOException { |
|
753 |
out.println("HTTP_ChunkedHandler received request to " + t.getRequestURI()); |
|
754 |
byte[] resp = t.getRequestURI().toString().getBytes(StandardCharsets.UTF_8); |
|
755 |
try (InputStream is = t.getRequestBody()) { |
|
756 |
is.readAllBytes(); |
|
757 |
} |
|
758 |
URI requestURI = t.getRequestURI(); |
|
759 |
for (int i = 1; i<2; i++) { |
|
760 |
String path = requestURI.getPath() + "/before/promise-" + i; |
|
761 |
pushPromiseFor(t, requestURI, path, false); |
|
762 |
} |
|
763 |
t.sendResponseHeaders(200, -1); // chunked/variable |
|
764 |
try (OutputStream os = t.getResponseBody()) { |
|
765 |
int bytes = resp.length/3; |
|
766 |
for (int i = 0; i<2; i++) { |
|
767 |
String path = requestURI.getPath() + "/after/promise-" + (i + 2); |
|
768 |
os.write(resp, i * bytes, bytes); |
|
769 |
os.flush(); |
|
770 |
pushPromiseFor(t, requestURI, path, false); |
|
771 |
} |
|
772 |
os.write(resp, 2*bytes, resp.length - 2*bytes); |
|
773 |
} |
|
774 |
} |
|
775 |
} |
|
776 |
||
777 |
||
778 |
} |