| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 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.io.IOException; |
| import java.io.InterruptedIOException; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.servlet.AsyncContext; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.http.HttpFields; |
| import org.eclipse.jetty.http.HttpVersion; |
| import org.eclipse.jetty.http.MetaData; |
| import org.eclipse.jetty.http2.ErrorCode; |
| import org.eclipse.jetty.http2.IStream; |
| 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.server.HttpOutput; |
| import org.eclipse.jetty.util.Callback; |
| import org.eclipse.jetty.util.FutureCallback; |
| import org.eclipse.jetty.util.FuturePromise; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class StreamResetTest extends AbstractTest |
| { |
| @Test |
| public void testStreamSendingResetIsRemoved() throws Exception |
| { |
| start(new ServerSessionListener.Adapter()); |
| |
| Session client = newClient(new Session.Listener.Adapter()); |
| MetaData.Request request = newRequest("GET", new HttpFields()); |
| HeadersFrame requestFrame = new HeadersFrame(request, null, false); |
| FuturePromise<Stream> promise = new FuturePromise<>(); |
| client.newStream(requestFrame, promise, new Stream.Listener.Adapter()); |
| Stream stream = promise.get(5, TimeUnit.SECONDS); |
| ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code); |
| FutureCallback resetCallback = new FutureCallback(); |
| stream.reset(resetFrame, resetCallback); |
| resetCallback.get(5, TimeUnit.SECONDS); |
| // After reset the stream should be gone. |
| Assert.assertEquals(0, client.getStreams().size()); |
| } |
| |
| @Test |
| public void testStreamReceivingResetIsRemoved() throws Exception |
| { |
| final AtomicReference<Stream> streamRef = new AtomicReference<>(); |
| final CountDownLatch resetLatch = new CountDownLatch(1); |
| start(new ServerSessionListener.Adapter() |
| { |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) |
| { |
| return new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onReset(Stream stream, ResetFrame frame) |
| { |
| Assert.assertNotNull(stream); |
| Assert.assertTrue(stream.isReset()); |
| streamRef.set(stream); |
| resetLatch.countDown(); |
| } |
| }; |
| } |
| }); |
| |
| Session client = newClient(new Session.Listener.Adapter()); |
| MetaData.Request request = newRequest("GET", new HttpFields()); |
| HeadersFrame requestFrame = new HeadersFrame(request, null, false); |
| FuturePromise<Stream> promise = new FuturePromise<>(); |
| client.newStream(requestFrame, promise, new Stream.Listener.Adapter()); |
| Stream stream = promise.get(5, TimeUnit.SECONDS); |
| ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code); |
| stream.reset(resetFrame, Callback.NOOP); |
| |
| Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS)); |
| |
| // Wait a while to let the server remove the |
| // stream after returning from onReset(). |
| Thread.sleep(1000); |
| |
| Stream serverStream = streamRef.get(); |
| Assert.assertEquals(0, serverStream.getSession().getStreams().size()); |
| } |
| |
| @Test |
| public void testStreamResetDoesNotCloseConnection() throws Exception |
| { |
| final CountDownLatch serverResetLatch = new CountDownLatch(1); |
| final CountDownLatch serverDataLatch = new CountDownLatch(1); |
| start(new ServerSessionListener.Adapter() |
| { |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame requestFrame) |
| { |
| MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields()); |
| HeadersFrame responseFrame = new HeadersFrame(stream.getId(), response, null, false); |
| Callback.Completable completable = new Callback.Completable(); |
| stream.headers(responseFrame, completable); |
| return new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onData(Stream stream, DataFrame frame, Callback callback) |
| { |
| callback.succeeded(); |
| completable.thenRun(() -> |
| stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), new Callback() |
| { |
| @Override |
| public void succeeded() |
| { |
| serverDataLatch.countDown(); |
| } |
| })); |
| } |
| |
| @Override |
| public void onReset(Stream s, ResetFrame frame) |
| { |
| // Simulate that there is pending data to send. |
| IStream stream = (IStream)s; |
| stream.getSession().frames(stream, new Callback() |
| { |
| @Override |
| public void failed(Throwable x) |
| { |
| serverResetLatch.countDown(); |
| } |
| }, new DataFrame(s.getId(), ByteBuffer.allocate(16), true)); |
| } |
| }; |
| } |
| }); |
| |
| Session client = newClient(new Session.Listener.Adapter()); |
| MetaData.Request request1 = newRequest("GET", new HttpFields()); |
| HeadersFrame requestFrame1 = new HeadersFrame(request1, null, false); |
| FuturePromise<Stream> promise1 = new FuturePromise<>(); |
| final CountDownLatch stream1HeadersLatch = new CountDownLatch(1); |
| final CountDownLatch stream1DataLatch = new CountDownLatch(1); |
| client.newStream(requestFrame1, promise1, new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| stream1HeadersLatch.countDown(); |
| } |
| |
| @Override |
| public void onData(Stream stream, DataFrame frame, Callback callback) |
| { |
| stream1DataLatch.countDown(); |
| } |
| }); |
| Stream stream1 = promise1.get(5, TimeUnit.SECONDS); |
| Assert.assertTrue(stream1HeadersLatch.await(5, TimeUnit.SECONDS)); |
| |
| MetaData.Request request2 = newRequest("GET", new HttpFields()); |
| HeadersFrame requestFrame2 = new HeadersFrame(request2, null, false); |
| FuturePromise<Stream> promise2 = new FuturePromise<>(); |
| final CountDownLatch stream2DataLatch = new CountDownLatch(1); |
| client.newStream(requestFrame2, promise2, new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onData(Stream stream, DataFrame frame, Callback callback) |
| { |
| stream2DataLatch.countDown(); |
| } |
| }); |
| Stream stream2 = promise2.get(5, TimeUnit.SECONDS); |
| |
| ResetFrame resetFrame = new ResetFrame(stream1.getId(), ErrorCode.CANCEL_STREAM_ERROR.code); |
| stream1.reset(resetFrame, Callback.NOOP); |
| |
| Assert.assertTrue(serverResetLatch.await(5, TimeUnit.SECONDS)); |
| // Stream MUST NOT receive data sent by server after reset. |
| Assert.assertFalse(stream1DataLatch.await(1, TimeUnit.SECONDS)); |
| |
| // The other stream should still be working. |
| stream2.data(new DataFrame(stream2.getId(), ByteBuffer.allocate(16), true), Callback.NOOP); |
| Assert.assertTrue(serverDataLatch.await(5, TimeUnit.SECONDS)); |
| Assert.assertTrue(stream2DataLatch.await(5, TimeUnit.SECONDS)); |
| } |
| |
| @Test |
| public void testBlockingWriteAfterStreamReceivingReset() throws Exception |
| { |
| final CountDownLatch resetLatch = new CountDownLatch(1); |
| final CountDownLatch dataLatch = new CountDownLatch(1); |
| start(new HttpServlet() |
| { |
| @Override |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException |
| { |
| Charset charset = StandardCharsets.UTF_8; |
| byte[] data = "AFTER RESET".getBytes(charset); |
| |
| response.setStatus(200); |
| response.setContentType("text/plain;charset=" + charset.name()); |
| response.setContentLength(data.length*10); |
| response.flushBuffer(); |
| |
| try |
| { |
| // Wait for the reset to happen. |
| Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS)); |
| } |
| catch (InterruptedException x) |
| { |
| throw new InterruptedIOException(); |
| } |
| |
| try |
| { |
| // Write some content after the stream has |
| // been reset, it should throw an exception. |
| for (int i=0;i<10;i++) |
| { |
| Thread.sleep(500); |
| response.getOutputStream().write(data); |
| response.flushBuffer(); |
| } |
| } |
| catch (InterruptedException x) |
| { |
| |
| } |
| catch (IOException x) |
| { |
| dataLatch.countDown(); |
| } |
| } |
| }); |
| |
| Session client = newClient(new Session.Listener.Adapter()); |
| MetaData.Request request = newRequest("GET", new HttpFields()); |
| HeadersFrame frame = new HeadersFrame(request, null, true); |
| client.newStream(frame, new FuturePromise<>(), new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP); |
| resetLatch.countDown(); |
| } |
| }); |
| |
| Assert.assertTrue(dataLatch.await(5, TimeUnit.SECONDS)); |
| } |
| |
| @Test |
| public void testAsyncWriteAfterStreamReceivingReset() throws Exception |
| { |
| final CountDownLatch resetLatch = new CountDownLatch(1); |
| final CountDownLatch dataLatch = new CountDownLatch(1); |
| start(new HttpServlet() |
| { |
| @Override |
| protected void doGet(HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException |
| { |
| Charset charset = StandardCharsets.UTF_8; |
| final ByteBuffer data = ByteBuffer.wrap("AFTER RESET".getBytes(charset)); |
| |
| response.setStatus(200); |
| response.setContentType("text/plain;charset=" + charset.name()); |
| response.setContentLength(data.remaining()); |
| response.flushBuffer(); |
| |
| try |
| { |
| // Wait for the reset to happen. |
| Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS)); |
| // Wait for the reset to arrive to the server and be processed. |
| Thread.sleep(1000); |
| } |
| catch (InterruptedException x) |
| { |
| throw new InterruptedIOException(); |
| } |
| |
| // Write some content asynchronously after the stream has been reset. |
| final AsyncContext context = request.startAsync(); |
| new Thread() |
| { |
| @Override |
| public void run() |
| { |
| try |
| { |
| // Wait for the request thread to exit |
| // doGet() so this is really asynchronous. |
| Thread.sleep(1000); |
| |
| HttpOutput output = (HttpOutput)response.getOutputStream(); |
| output.sendContent(data, new Callback() |
| { |
| @Override |
| public void failed(Throwable x) |
| { |
| context.complete(); |
| dataLatch.countDown(); |
| } |
| }); |
| } |
| catch (Throwable x) |
| { |
| x.printStackTrace(); |
| } |
| } |
| }.start(); |
| } |
| }); |
| |
| Session client = newClient(new Session.Listener.Adapter()); |
| MetaData.Request request = newRequest("GET", new HttpFields()); |
| HeadersFrame frame = new HeadersFrame(request, null, true); |
| client.newStream(frame, new FuturePromise<>(), new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP); |
| resetLatch.countDown(); |
| } |
| }); |
| |
| Assert.assertTrue(dataLatch.await(5, TimeUnit.SECONDS)); |
| } |
| } |