| /* |
| * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.URI; |
| import java.nio.ByteBuffer; |
| import java.nio.MappedByteBuffer; |
| import java.util.Arrays; |
| import java.util.concurrent.Flow; |
| import java.util.concurrent.Flow.Publisher; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicLong; |
| import com.sun.net.httpserver.HttpExchange; |
| import com.sun.net.httpserver.HttpHandler; |
| import com.sun.net.httpserver.HttpServer; |
| import com.sun.net.httpserver.HttpsConfigurator; |
| import com.sun.net.httpserver.HttpsServer; |
| import java.net.http.HttpClient; |
| import java.net.http.HttpRequest; |
| import java.net.http.HttpResponse; |
| import jdk.testlibrary.SimpleSSLContext; |
| import org.testng.annotations.AfterTest; |
| import org.testng.annotations.BeforeTest; |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| import javax.net.ssl.SSLContext; |
| import static java.util.stream.Collectors.joining; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static java.net.http.HttpRequest.BodyPublishers.fromPublisher; |
| import static java.net.http.HttpResponse.BodyHandlers.ofString; |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertThrows; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.fail; |
| |
| /* |
| * @test |
| * @summary Basic tests for Flow adapter Publishers |
| * @modules java.base/sun.net.www.http |
| * java.net.http/jdk.internal.net.http.common |
| * java.net.http/jdk.internal.net.http.frame |
| * java.net.http/jdk.internal.net.http.hpack |
| * java.logging |
| * jdk.httpserver |
| * @library /lib/testlibrary http2/server |
| * @build Http2TestServer |
| * @build jdk.testlibrary.SimpleSSLContext |
| * @run testng/othervm FlowAdapterPublisherTest |
| */ |
| |
| public class FlowAdapterPublisherTest { |
| |
| SSLContext sslContext; |
| HttpServer httpTestServer; // HTTP/1.1 [ 4 servers ] |
| HttpsServer httpsTestServer; // HTTPS/1.1 |
| Http2TestServer http2TestServer; // HTTP/2 ( h2c ) |
| Http2TestServer https2TestServer; // HTTP/2 ( h2 ) |
| String httpURI; |
| String httpsURI; |
| String http2URI; |
| String https2URI; |
| |
| @DataProvider(name = "uris") |
| public Object[][] variants() { |
| return new Object[][]{ |
| { httpURI }, |
| { httpsURI }, |
| { http2URI }, |
| { https2URI }, |
| }; |
| } |
| |
| static final Class<NullPointerException> NPE = NullPointerException.class; |
| static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class; |
| |
| @Test |
| public void testAPIExceptions() { |
| assertThrows(NPE, () -> fromPublisher(null)); |
| assertThrows(NPE, () -> fromPublisher(null, 1)); |
| assertThrows(IAE, () -> fromPublisher(new BBPublisher(), 0)); |
| assertThrows(IAE, () -> fromPublisher(new BBPublisher(), -1)); |
| assertThrows(IAE, () -> fromPublisher(new BBPublisher(), Long.MIN_VALUE)); |
| |
| Publisher publisher = fromPublisher(new BBPublisher()); |
| assertThrows(NPE, () -> publisher.subscribe(null)); |
| } |
| |
| // Flow.Publisher<ByteBuffer> |
| |
| @Test(dataProvider = "uris") |
| void testByteBufferPublisherUnknownLength(String url) { |
| String[] body = new String[] { "You know ", "it's summer ", "in Ireland ", |
| "when the ", "rain gets ", "warmer." }; |
| HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build(); |
| HttpRequest request = HttpRequest.newBuilder(URI.create(url)) |
| .POST(fromPublisher(new BBPublisher(body))).build(); |
| |
| HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join(); |
| String text = response.body(); |
| System.out.println(text); |
| assertEquals(response.statusCode(), 200); |
| assertEquals(text, Arrays.stream(body).collect(joining())); |
| } |
| |
| @Test(dataProvider = "uris") |
| void testByteBufferPublisherFixedLength(String url) { |
| String[] body = new String[] { "You know ", "it's summer ", "in Ireland ", |
| "when the ", "rain gets ", "warmer." }; |
| int cl = Arrays.stream(body).mapToInt(String::length).sum(); |
| HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build(); |
| HttpRequest request = HttpRequest.newBuilder(URI.create(url)) |
| .POST(fromPublisher(new BBPublisher(body), cl)).build(); |
| |
| HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join(); |
| String text = response.body(); |
| System.out.println(text); |
| assertEquals(response.statusCode(), 200); |
| assertEquals(text, Arrays.stream(body).collect(joining())); |
| } |
| |
| // Flow.Publisher<MappedByteBuffer> |
| |
| @Test(dataProvider = "uris") |
| void testMappedByteBufferPublisherUnknownLength(String url) { |
| String[] body = new String[] { "God invented ", "whiskey to ", "keep the ", |
| "Irish from ", "ruling the ", "world." }; |
| HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build(); |
| HttpRequest request = HttpRequest.newBuilder(URI.create(url)) |
| .POST(fromPublisher(new MBBPublisher(body))).build(); |
| |
| HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join(); |
| String text = response.body(); |
| System.out.println(text); |
| assertEquals(response.statusCode(), 200); |
| assertEquals(text, Arrays.stream(body).collect(joining())); |
| } |
| |
| @Test(dataProvider = "uris") |
| void testMappedByteBufferPublisherFixedLength(String url) { |
| String[] body = new String[] { "God invented ", "whiskey to ", "keep the ", |
| "Irish from ", "ruling the ", "world." }; |
| int cl = Arrays.stream(body).mapToInt(String::length).sum(); |
| HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build(); |
| HttpRequest request = HttpRequest.newBuilder(URI.create(url)) |
| .POST(fromPublisher(new MBBPublisher(body), cl)).build(); |
| |
| HttpResponse<String> response = client.sendAsync(request, ofString(UTF_8)).join(); |
| String text = response.body(); |
| System.out.println(text); |
| assertEquals(response.statusCode(), 200); |
| assertEquals(text, Arrays.stream(body).collect(joining())); |
| } |
| |
| // The following two tests depend on Exception detail messages, which is |
| // not ideal, but necessary to discern correct behavior. They should be |
| // updated if the exception message is updated. |
| |
| @Test(dataProvider = "uris") |
| void testPublishTooFew(String url) throws InterruptedException { |
| String[] body = new String[] { "You know ", "it's summer ", "in Ireland ", |
| "when the ", "rain gets ", "warmer." }; |
| int cl = Arrays.stream(body).mapToInt(String::length).sum() + 1; // length + 1 |
| HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build(); |
| HttpRequest request = HttpRequest.newBuilder(URI.create(url)) |
| .POST(fromPublisher(new BBPublisher(body), cl)).build(); |
| |
| try { |
| HttpResponse<String> response = client.send(request, ofString(UTF_8)); |
| fail("Unexpected response: " + response); |
| } catch (IOException expected) { |
| assertMessage(expected, "Too few bytes returned"); |
| } |
| } |
| |
| @Test(dataProvider = "uris") |
| void testPublishTooMany(String url) throws InterruptedException { |
| String[] body = new String[] { "You know ", "it's summer ", "in Ireland ", |
| "when the ", "rain gets ", "warmer." }; |
| int cl = Arrays.stream(body).mapToInt(String::length).sum() - 1; // length - 1 |
| HttpClient client = HttpClient.newBuilder().sslContext(sslContext).build(); |
| HttpRequest request = HttpRequest.newBuilder(URI.create(url)) |
| .POST(fromPublisher(new BBPublisher(body), cl)).build(); |
| |
| try { |
| HttpResponse<String> response = client.send(request, ofString(UTF_8)); |
| fail("Unexpected response: " + response); |
| } catch (IOException expected) { |
| assertMessage(expected, "Too many bytes in request body"); |
| } |
| } |
| |
| private void assertMessage(Throwable t, String contains) { |
| if (!t.getMessage().contains(contains)) { |
| String error = "Exception message:[" + t.toString() + "] doesn't contain [" + contains + "]"; |
| throw new AssertionError(error, t); |
| } |
| } |
| |
| static class BBPublisher extends AbstractPublisher |
| implements Flow.Publisher<ByteBuffer> |
| { |
| BBPublisher(String... bodyParts) { super(bodyParts); } |
| |
| @Override |
| public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) { |
| this.subscriber = subscriber; |
| subscriber.onSubscribe(new InternalSubscription()); |
| } |
| } |
| |
| static class MBBPublisher extends AbstractPublisher |
| implements Flow.Publisher<MappedByteBuffer> |
| { |
| MBBPublisher(String... bodyParts) { super(bodyParts); } |
| |
| @Override |
| public void subscribe(Flow.Subscriber<? super MappedByteBuffer> subscriber) { |
| this.subscriber = subscriber; |
| subscriber.onSubscribe(new InternalSubscription()); |
| } |
| } |
| |
| static abstract class AbstractPublisher { |
| private final String[] bodyParts; |
| protected volatile Flow.Subscriber subscriber; |
| |
| AbstractPublisher(String... bodyParts) { |
| this.bodyParts = bodyParts; |
| } |
| |
| class InternalSubscription implements Flow.Subscription { |
| |
| private final AtomicLong demand = new AtomicLong(); |
| private final AtomicBoolean cancelled = new AtomicBoolean(); |
| private volatile int position; |
| |
| private static final int IDLE = 1; |
| private static final int PUSHING = 2; |
| private static final int AGAIN = 4; |
| private final AtomicInteger state = new AtomicInteger(IDLE); |
| |
| @Override |
| public void request(long n) { |
| if (n <= 0L) { |
| subscriber.onError(new IllegalArgumentException( |
| "non-positive subscription request")); |
| return; |
| } |
| if (cancelled.get()) { |
| return; |
| } |
| |
| while (true) { |
| long prev = demand.get(), d; |
| if ((d = prev + n) < prev) // saturate |
| d = Long.MAX_VALUE; |
| if (demand.compareAndSet(prev, d)) |
| break; |
| } |
| |
| while (true) { |
| int s = state.get(); |
| if (s == IDLE) { |
| if (state.compareAndSet(IDLE, PUSHING)) { |
| while (true) { |
| push(); |
| if (state.compareAndSet(PUSHING, IDLE)) |
| return; |
| else if (state.compareAndSet(AGAIN, PUSHING)) |
| continue; |
| } |
| } |
| } else if (s == PUSHING) { |
| if (state.compareAndSet(PUSHING, AGAIN)) |
| return; |
| } else if (s == AGAIN){ |
| // do nothing, the pusher will already rerun |
| return; |
| } else { |
| throw new AssertionError("Unknown state:" + s); |
| } |
| } |
| } |
| |
| private void push() { |
| long prev; |
| while ((prev = demand.get()) > 0) { |
| if (!demand.compareAndSet(prev, prev -1)) |
| continue; |
| |
| int index = position; |
| if (index < bodyParts.length) { |
| position++; |
| subscriber.onNext(ByteBuffer.wrap(bodyParts[index].getBytes(UTF_8))); |
| } |
| } |
| |
| if (position == bodyParts.length && !cancelled.get()) { |
| cancelled.set(true); |
| subscriber.onComplete(); |
| } |
| } |
| |
| @Override |
| public void cancel() { |
| if (cancelled.compareAndExchange(false, true)) |
| return; // already cancelled |
| } |
| } |
| } |
| |
| static String serverAuthority(HttpServer server) { |
| return InetAddress.getLoopbackAddress().getHostName() + ":" |
| + server.getAddress().getPort(); |
| } |
| |
| @BeforeTest |
| public void setup() throws Exception { |
| sslContext = new SimpleSSLContext().get(); |
| if (sslContext == null) |
| throw new AssertionError("Unexpected null sslContext"); |
| |
| InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(),0); |
| httpTestServer = HttpServer.create(sa, 0); |
| httpTestServer.createContext("/http1/echo", new Http1EchoHandler()); |
| httpURI = "http://" + serverAuthority(httpTestServer) + "/http1/echo"; |
| |
| httpsTestServer = HttpsServer.create(sa, 0); |
| httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext)); |
| httpsTestServer.createContext("/https1/echo", new Http1EchoHandler()); |
| httpsURI = "https://" + serverAuthority(httpsTestServer) + "/https1/echo"; |
| |
| http2TestServer = new Http2TestServer("localhost", false, 0); |
| http2TestServer.addHandler(new Http2EchoHandler(), "/http2/echo"); |
| http2URI = "http://" + http2TestServer.serverAuthority() + "/http2/echo"; |
| |
| https2TestServer = new Http2TestServer("localhost", true, sslContext); |
| https2TestServer.addHandler(new Http2EchoHandler(), "/https2/echo"); |
| https2URI = "https://" + https2TestServer.serverAuthority() + "/https2/echo"; |
| |
| httpTestServer.start(); |
| httpsTestServer.start(); |
| http2TestServer.start(); |
| https2TestServer.start(); |
| } |
| |
| @AfterTest |
| public void teardown() throws Exception { |
| httpTestServer.stop(0); |
| httpsTestServer.stop(0); |
| http2TestServer.stop(); |
| https2TestServer.stop(); |
| } |
| |
| static class Http1EchoHandler implements HttpHandler { |
| @Override |
| public void handle(HttpExchange t) throws IOException { |
| try (InputStream is = t.getRequestBody(); |
| OutputStream os = t.getResponseBody()) { |
| byte[] bytes = is.readAllBytes(); |
| t.sendResponseHeaders(200, bytes.length); |
| os.write(bytes); |
| } |
| } |
| } |
| |
| static class Http2EchoHandler implements Http2Handler { |
| @Override |
| public void handle(Http2TestExchange t) throws IOException { |
| try (InputStream is = t.getRequestBody(); |
| OutputStream os = t.getResponseBody()) { |
| byte[] bytes = is.readAllBytes(); |
| t.sendResponseHeaders(200, bytes.length); |
| os.write(bytes); |
| } |
| } |
| } |
| } |
