403 lines
16 KiB
Java
403 lines
16 KiB
Java
/*
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* Copyright (c) 2017, 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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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.http.HttpClient.Builder;
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import java.net.http.HttpClient.Version;
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import java.nio.ByteBuffer;
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import java.nio.MappedByteBuffer;
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import java.util.Arrays;
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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.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicLong;
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import java.net.http.HttpClient;
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import java.net.http.HttpRequest;
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import java.net.http.HttpResponse;
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import jdk.httpclient.test.lib.common.HttpServerAdapters;
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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 static java.util.stream.Collectors.joining;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static java.net.http.HttpRequest.BodyPublishers.fromPublisher;
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import static java.net.http.HttpResponse.BodyHandlers.ofString;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertThrows;
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import static org.testng.Assert.assertTrue;
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import static org.testng.Assert.fail;
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/*
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* @test
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* @summary Basic tests for Flow adapter Publishers
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @build jdk.httpclient.test.lib.common.HttpServerAdapters
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* jdk.test.lib.net.SimpleSSLContext
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* @run testng/othervm FlowAdapterPublisherTest
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*/
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public class FlowAdapterPublisherTest 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;
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String httpsURI;
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String http2URI;
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String https2URI;
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@DataProvider(name = "uris")
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public Object[][] variants() {
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return new Object[][]{
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{ httpURI },
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{ httpsURI },
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{ http2URI },
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{ https2URI },
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};
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}
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static final Class<NullPointerException> NPE = NullPointerException.class;
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static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
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private static Version version(String uri) {
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if (uri.contains("/http1/")) return Version.HTTP_1_1;
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if (uri.contains("/https1/")) return Version.HTTP_1_1;
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if (uri.contains("/http2/")) return Version.HTTP_2;
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if (uri.contains("/https2/")) return Version.HTTP_2;
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return null;
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}
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private HttpClient newHttpClient(String uri) {
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var builder = HttpClient.newBuilder();
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return builder.sslContext(sslContext).proxy(Builder.NO_PROXY).build();
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}
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private HttpRequest.Builder newRequestBuilder(String uri) {
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return HttpRequest.newBuilder(URI.create(uri));
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}
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@Test
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public void testAPIExceptions() {
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assertThrows(NPE, () -> fromPublisher(null));
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assertThrows(NPE, () -> fromPublisher(null, 1));
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assertThrows(IAE, () -> fromPublisher(new BBPublisher(), 0));
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assertThrows(IAE, () -> fromPublisher(new BBPublisher(), -1));
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assertThrows(IAE, () -> fromPublisher(new BBPublisher(), Long.MIN_VALUE));
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Publisher publisher = fromPublisher(new BBPublisher());
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assertThrows(NPE, () -> publisher.subscribe(null));
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}
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// Flow.Publisher<ByteBuffer>
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@Test(dataProvider = "uris")
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void testByteBufferPublisherUnknownLength(String uri) {
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String[] body = new String[] { "You know ", "it's summer ", "in Ireland ",
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"when the ", "rain gets ", "warmer." };
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try (HttpClient client = newHttpClient(uri)) {
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HttpRequest request = newRequestBuilder(uri)
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.POST(fromPublisher(new BBPublisher(body))).build();
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HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join();
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String text = response.body();
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System.out.println(text);
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assertEquals(response.statusCode(), 200);
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assertEquals(response.version(), version(uri));
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assertEquals(text, Arrays.stream(body).collect(joining()));
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}
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}
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@Test(dataProvider = "uris")
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void testByteBufferPublisherFixedLength(String uri) {
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String[] body = new String[] { "You know ", "it's summer ", "in Ireland ",
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"when the ", "rain gets ", "warmer." };
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int cl = Arrays.stream(body).mapToInt(String::length).sum();
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try (HttpClient client = newHttpClient(uri)) {
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HttpRequest request = newRequestBuilder(uri)
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.POST(fromPublisher(new BBPublisher(body), cl)).build();
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HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join();
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String text = response.body();
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System.out.println(text);
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assertEquals(response.statusCode(), 200);
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assertEquals(response.version(), version(uri));
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assertEquals(text, Arrays.stream(body).collect(joining()));
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}
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}
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// Flow.Publisher<MappedByteBuffer>
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@Test(dataProvider = "uris")
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void testMappedByteBufferPublisherUnknownLength(String uri) {
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String[] body = new String[] { "God invented ", "whiskey to ", "keep the ",
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"Irish from ", "ruling the ", "world." };
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try (HttpClient client = newHttpClient(uri)) {
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HttpRequest request = newRequestBuilder(uri)
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.POST(fromPublisher(new MBBPublisher(body))).build();
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HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join();
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String text = response.body();
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System.out.println(text);
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assertEquals(response.statusCode(), 200);
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assertEquals(response.version(), version(uri));
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assertEquals(text, Arrays.stream(body).collect(joining()));
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}
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}
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@Test(dataProvider = "uris")
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void testMappedByteBufferPublisherFixedLength(String uri) {
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String[] body = new String[] { "God invented ", "whiskey to ", "keep the ",
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"Irish from ", "ruling the ", "world." };
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int cl = Arrays.stream(body).mapToInt(String::length).sum();
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try (HttpClient client = newHttpClient(uri)) {
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HttpRequest request = newRequestBuilder(uri)
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.POST(fromPublisher(new MBBPublisher(body), cl)).build();
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HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join();
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String text = response.body();
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System.out.println(text);
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assertEquals(response.statusCode(), 200);
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assertEquals(response.version(), version(uri));
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assertEquals(text, Arrays.stream(body).collect(joining()));
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}
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}
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// The following two tests depend on Exception detail messages, which is
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// not ideal, but necessary to discern correct behavior. They should be
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// updated if the exception message is updated.
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@Test(dataProvider = "uris")
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void testPublishTooFew(String uri) throws InterruptedException {
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String[] body = new String[] { "You know ", "it's summer ", "in Ireland ",
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"when the ", "rain gets ", "warmer." };
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int cl = Arrays.stream(body).mapToInt(String::length).sum() + 1; // length + 1
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try (HttpClient client = newHttpClient(uri)) {
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HttpRequest request = newRequestBuilder(uri)
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.POST(fromPublisher(new BBPublisher(body), cl)).build();
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try {
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HttpResponse<String> response = client.send(request, ofString(UTF_8));
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fail("Unexpected response: " + response);
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} catch (IOException expected) {
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assertMessage(expected, "Too few bytes returned");
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}
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}
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}
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@Test(dataProvider = "uris")
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void testPublishTooMany(String uri) throws InterruptedException {
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String[] body = new String[] { "You know ", "it's summer ", "in Ireland ",
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"when the ", "rain gets ", "warmer." };
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int cl = Arrays.stream(body).mapToInt(String::length).sum() - 1; // length - 1
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try (HttpClient client = newHttpClient(uri)) {
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HttpRequest request = newRequestBuilder(uri)
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.POST(fromPublisher(new BBPublisher(body), cl)).build();
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try {
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HttpResponse<String> response = client.send(request, ofString(UTF_8));
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fail("Unexpected response: " + response);
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} catch (IOException expected) {
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assertMessage(expected, "Too many bytes in request body");
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}
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}
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}
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private void assertMessage(Throwable t, String contains) {
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if (!t.getMessage().contains(contains)) {
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String error = "Exception message:[" + t.toString() + "] doesn't contain [" + contains + "]";
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throw new AssertionError(error, t);
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}
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}
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static class BBPublisher extends AbstractPublisher
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implements Flow.Publisher<ByteBuffer>
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{
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BBPublisher(String... bodyParts) { super(bodyParts); }
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@Override
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public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
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this.subscriber = subscriber;
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subscriber.onSubscribe(new InternalSubscription());
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}
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}
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static class MBBPublisher extends AbstractPublisher
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implements Flow.Publisher<MappedByteBuffer>
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{
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MBBPublisher(String... bodyParts) { super(bodyParts); }
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@Override
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public void subscribe(Flow.Subscriber<? super MappedByteBuffer> subscriber) {
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this.subscriber = subscriber;
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subscriber.onSubscribe(new InternalSubscription());
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}
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}
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static abstract class AbstractPublisher {
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private final String[] bodyParts;
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protected volatile Flow.Subscriber subscriber;
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AbstractPublisher(String... bodyParts) {
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this.bodyParts = bodyParts;
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}
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class InternalSubscription implements Flow.Subscription {
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private final AtomicLong demand = new AtomicLong();
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private final AtomicBoolean cancelled = new AtomicBoolean();
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private volatile int position;
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private static final int IDLE = 1;
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private static final int PUSHING = 2;
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private static final int AGAIN = 4;
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private final AtomicInteger state = new AtomicInteger(IDLE);
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@Override
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public void request(long n) {
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if (n <= 0L) {
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subscriber.onError(new IllegalArgumentException(
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"non-positive subscription request"));
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return;
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}
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if (cancelled.get()) {
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return;
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}
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while (true) {
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long prev = demand.get(), d;
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if ((d = prev + n) < prev) // saturate
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d = Long.MAX_VALUE;
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if (demand.compareAndSet(prev, d))
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break;
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}
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while (true) {
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int s = state.get();
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if (s == IDLE) {
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if (state.compareAndSet(IDLE, PUSHING)) {
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while (true) {
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push();
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if (state.compareAndSet(PUSHING, IDLE))
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return;
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else if (state.compareAndSet(AGAIN, PUSHING))
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continue;
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}
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}
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} else if (s == PUSHING) {
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if (state.compareAndSet(PUSHING, AGAIN))
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return;
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} else if (s == AGAIN){
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// do nothing, the pusher will already rerun
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return;
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} else {
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throw new AssertionError("Unknown state:" + s);
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}
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}
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}
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private void push() {
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long prev;
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while ((prev = demand.get()) > 0) {
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if (!demand.compareAndSet(prev, prev -1))
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continue;
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int index = position;
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if (index < bodyParts.length) {
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position++;
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subscriber.onNext(ByteBuffer.wrap(bodyParts[index].getBytes(UTF_8)));
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}
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}
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if (position == bodyParts.length && !cancelled.get()) {
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cancelled.set(true);
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subscriber.onComplete();
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}
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}
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@Override
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public void cancel() {
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if (cancelled.compareAndExchange(false, true))
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return; // already cancelled
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}
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}
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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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httpTestServer = HttpTestServer.create(Version.HTTP_1_1);
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httpTestServer.addHandler(new HttpEchoHandler(), "/http1/echo");
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httpURI = "http://" + httpTestServer.serverAuthority() + "/http1/echo";
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httpsTestServer = HttpTestServer.create(Version.HTTP_1_1, sslContext);
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httpsTestServer.addHandler(new HttpEchoHandler(), "/https1/echo");
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httpsURI = "https://" + httpsTestServer.serverAuthority() + "/https1/echo";
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http2TestServer = HttpTestServer.create(Version.HTTP_2);
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http2TestServer.addHandler(new HttpEchoHandler(), "/http2/echo");
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http2URI = "http://" + http2TestServer.serverAuthority() + "/http2/echo";
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https2TestServer = HttpTestServer.create(Version.HTTP_2, sslContext);
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https2TestServer.addHandler(new HttpEchoHandler(), "/https2/echo");
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https2URI = "https://" + https2TestServer.serverAuthority() + "/https2/echo";
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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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}
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@AfterTest
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public void teardown() throws Exception {
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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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}
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static class HttpEchoHandler implements HttpTestHandler {
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@Override
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public void handle(HttpTestExchange t) throws IOException {
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try (InputStream is = t.getRequestBody();
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OutputStream os = t.getResponseBody()) {
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byte[] bytes = is.readAllBytes();
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t.sendResponseHeaders(200, bytes.length);
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os.write(bytes);
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}
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}
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}
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}
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