| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.http2.client; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.eclipse.jetty.http.HttpFields; |
| import org.eclipse.jetty.http.HttpVersion; |
| import org.eclipse.jetty.http.MetaData; |
| import org.eclipse.jetty.http2.HTTP2Session; |
| import org.eclipse.jetty.http2.api.Session; |
| import org.eclipse.jetty.http2.api.Stream; |
| import org.eclipse.jetty.http2.api.server.ServerSessionListener; |
| import org.eclipse.jetty.http2.frames.DataFrame; |
| import org.eclipse.jetty.http2.frames.HeadersFrame; |
| import org.eclipse.jetty.http2.frames.ResetFrame; |
| import org.eclipse.jetty.http2.frames.SettingsFrame; |
| import org.eclipse.jetty.util.BufferUtil; |
| import org.eclipse.jetty.util.Callback; |
| import org.eclipse.jetty.util.FuturePromise; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class StreamCountTest extends AbstractTest |
| { |
| @Test |
| public void testServerAllowsOneStreamEnforcedByClient() throws Exception |
| { |
| start(new ServerSessionListener.Adapter() |
| { |
| @Override |
| public Map<Integer, Integer> onPreface(Session session) |
| { |
| Map<Integer, Integer> settings = new HashMap<>(); |
| settings.put(SettingsFrame.MAX_CONCURRENT_STREAMS, 1); |
| return settings; |
| } |
| |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) |
| { |
| return new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onData(Stream stream, DataFrame frame, Callback callback) |
| { |
| if (frame.isEndStream()) |
| { |
| HttpFields fields = new HttpFields(); |
| MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, fields); |
| stream.headers(new HeadersFrame(stream.getId(), metaData, null, true), callback); |
| } |
| else |
| { |
| callback.succeeded(); |
| } |
| } |
| }; |
| } |
| }); |
| |
| final CountDownLatch settingsLatch = new CountDownLatch(1); |
| Session session = newClient(new Session.Listener.Adapter() |
| { |
| @Override |
| public void onSettings(Session session, SettingsFrame frame) |
| { |
| settingsLatch.countDown(); |
| } |
| }); |
| |
| Assert.assertTrue(settingsLatch.await(5, TimeUnit.SECONDS)); |
| |
| HttpFields fields = new HttpFields(); |
| MetaData.Request metaData = newRequest("GET", fields); |
| HeadersFrame frame1 = new HeadersFrame(metaData, null, false); |
| FuturePromise<Stream> streamPromise1 = new FuturePromise<>(); |
| final CountDownLatch responseLatch = new CountDownLatch(1); |
| session.newStream(frame1, streamPromise1, new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| if (frame.isEndStream()) |
| responseLatch.countDown(); |
| } |
| }); |
| Stream stream1 = streamPromise1.get(5, TimeUnit.SECONDS); |
| |
| HeadersFrame frame2 = new HeadersFrame(metaData, null, false); |
| FuturePromise<Stream> streamPromise2 = new FuturePromise<>(); |
| session.newStream(frame2, streamPromise2, new Stream.Listener.Adapter()); |
| |
| try |
| { |
| streamPromise2.get(5, TimeUnit.SECONDS); |
| Assert.fail(); |
| } |
| catch (ExecutionException x) |
| { |
| // Expected |
| } |
| |
| stream1.data(new DataFrame(stream1.getId(), BufferUtil.EMPTY_BUFFER, true), Callback.NOOP); |
| Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS)); |
| } |
| |
| @Test |
| public void testServerAllowsOneStreamEnforcedByServer() throws Exception |
| { |
| final CountDownLatch resetLatch = new CountDownLatch(1); |
| start(new ServerSessionListener.Adapter() |
| { |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) |
| { |
| HTTP2Session session = (HTTP2Session)stream.getSession(); |
| session.setMaxRemoteStreams(1); |
| |
| return new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onData(Stream stream, DataFrame frame, Callback callback) |
| { |
| if (frame.isEndStream()) |
| { |
| HttpFields fields = new HttpFields(); |
| MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, fields); |
| stream.headers(new HeadersFrame(stream.getId(), metaData, null, true), callback); |
| } |
| else |
| { |
| callback.succeeded(); |
| } |
| } |
| }; |
| } |
| }); |
| |
| Session session = newClient(new Session.Listener.Adapter()); |
| |
| HttpFields fields = new HttpFields(); |
| MetaData.Request metaData = newRequest("GET", fields); |
| HeadersFrame frame1 = new HeadersFrame(metaData, null, false); |
| FuturePromise<Stream> streamPromise1 = new FuturePromise<>(); |
| final CountDownLatch responseLatch = new CountDownLatch(1); |
| session.newStream(frame1, streamPromise1, new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| if (frame.isEndStream()) |
| responseLatch.countDown(); |
| } |
| }); |
| |
| Stream stream1 = streamPromise1.get(5, TimeUnit.SECONDS); |
| |
| HeadersFrame frame2 = new HeadersFrame(metaData, null, false); |
| FuturePromise<Stream> streamPromise2 = new FuturePromise<>(); |
| session.newStream(frame2, streamPromise2, new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onReset(Stream stream, ResetFrame frame) |
| { |
| resetLatch.countDown(); |
| } |
| }); |
| |
| streamPromise2.get(5, TimeUnit.SECONDS); |
| Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS)); |
| |
| stream1.data(new DataFrame(stream1.getId(), BufferUtil.EMPTY_BUFFER, true), Callback.NOOP); |
| Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS)); |
| } |
| } |