| // |
| // ======================================================================== |
| // 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.net.InetSocketAddress; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.SocketChannel; |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Queue; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.eclipse.jetty.http.HttpFields; |
| import org.eclipse.jetty.http.HttpStatus; |
| import org.eclipse.jetty.http.HttpVersion; |
| import org.eclipse.jetty.http.MetaData; |
| import org.eclipse.jetty.http2.ErrorCode; |
| 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.HeadersFrame; |
| import org.eclipse.jetty.http2.frames.PingFrame; |
| import org.eclipse.jetty.http2.frames.PrefaceFrame; |
| import org.eclipse.jetty.http2.frames.SettingsFrame; |
| import org.eclipse.jetty.http2.generator.Generator; |
| import org.eclipse.jetty.http2.parser.Parser; |
| import org.eclipse.jetty.http2.server.HTTP2CServerConnectionFactory; |
| import org.eclipse.jetty.io.ByteBufferPool; |
| import org.eclipse.jetty.io.EndPoint; |
| import org.eclipse.jetty.io.MappedByteBufferPool; |
| import org.eclipse.jetty.server.Connector; |
| import org.eclipse.jetty.server.HttpConfiguration; |
| import org.eclipse.jetty.server.HttpConnectionFactory; |
| import org.eclipse.jetty.util.ArrayQueue; |
| import org.eclipse.jetty.util.Callback; |
| import org.eclipse.jetty.util.Promise; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class PrefaceTest extends AbstractTest |
| { |
| @Test |
| public void testServerPrefaceReplySentAfterClientPreface() throws Exception |
| { |
| start(new ServerSessionListener.Adapter() |
| { |
| @Override |
| public void onAccept(Session session) |
| { |
| // Send the server preface from here. |
| session.settings(new SettingsFrame(new HashMap<>(), false), Callback.NOOP); |
| } |
| |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) |
| { |
| MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields()); |
| HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, true); |
| stream.headers(responseFrame, Callback.NOOP); |
| return null; |
| } |
| }); |
| |
| Session session = newClient(new Session.Listener.Adapter() |
| { |
| @Override |
| public Map<Integer, Integer> onPreface(Session session) |
| { |
| try |
| { |
| // Wait for the server preface (a SETTINGS frame) to |
| // arrive on the client, and for its reply to be sent. |
| Thread.sleep(1000); |
| return null; |
| } |
| catch (InterruptedException x) |
| { |
| x.printStackTrace(); |
| return null; |
| } |
| } |
| }); |
| |
| CountDownLatch latch = new CountDownLatch(1); |
| MetaData.Request metaData = newRequest("GET", new HttpFields()); |
| HeadersFrame requestFrame = new HeadersFrame(metaData, null, true); |
| session.newStream(requestFrame, new Promise.Adapter<>(), new Stream.Listener.Adapter() |
| { |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| if (frame.isEndStream()) |
| latch.countDown(); |
| } |
| }); |
| |
| Assert.assertTrue(latch.await(5, TimeUnit.SECONDS)); |
| } |
| |
| @Test |
| public void testClientPrefaceReplySentAfterServerPreface() 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, 128); |
| return settings; |
| } |
| |
| @Override |
| public void onPing(Session session, PingFrame frame) |
| { |
| session.close(ErrorCode.NO_ERROR.code, null, Callback.NOOP); |
| } |
| }); |
| |
| ByteBufferPool byteBufferPool = client.getByteBufferPool(); |
| try (SocketChannel socket = SocketChannel.open()) |
| { |
| socket.connect(new InetSocketAddress("localhost", connector.getLocalPort())); |
| |
| Generator generator = new Generator(byteBufferPool); |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.control(lease, new PrefaceFrame()); |
| Map<Integer, Integer> clientSettings = new HashMap<>(); |
| clientSettings.put(SettingsFrame.ENABLE_PUSH, 0); |
| generator.control(lease, new SettingsFrame(clientSettings, false)); |
| // The PING frame just to make sure the client stops reading. |
| generator.control(lease, new PingFrame(true)); |
| |
| List<ByteBuffer> buffers = lease.getByteBuffers(); |
| socket.write(buffers.toArray(new ByteBuffer[buffers.size()])); |
| |
| Queue<SettingsFrame> settings = new ArrayQueue<>(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onSettings(SettingsFrame frame) |
| { |
| settings.offer(frame); |
| } |
| }, 4096, 8192); |
| |
| ByteBuffer buffer = byteBufferPool.acquire(1024, true); |
| while (true) |
| { |
| int read = socket.read(buffer); |
| buffer.flip(); |
| if (read < 0) |
| break; |
| parser.parse(buffer); |
| buffer.clear(); |
| } |
| |
| Assert.assertEquals(2, settings.size()); |
| SettingsFrame frame1 = settings.poll(); |
| Assert.assertFalse(frame1.isReply()); |
| SettingsFrame frame2 = settings.poll(); |
| Assert.assertTrue(frame2.isReply()); |
| } |
| } |
| |
| @Test |
| public void testOnPrefaceNotifiedForStandardUpgrade() throws Exception |
| { |
| Integer maxConcurrentStreams = 128; |
| AtomicReference<CountDownLatch> serverPrefaceLatch = new AtomicReference<>(new CountDownLatch(1)); |
| AtomicReference<CountDownLatch> serverSettingsLatch = new AtomicReference<>(new CountDownLatch(1)); |
| HttpConfiguration config = new HttpConfiguration(); |
| prepareServer(new HttpConnectionFactory(config), new HTTP2CServerConnectionFactory(config) |
| { |
| @Override |
| protected ServerSessionListener newSessionListener(Connector connector, EndPoint endPoint) |
| { |
| return new ServerSessionListener.Adapter() |
| { |
| @Override |
| public Map<Integer, Integer> onPreface(Session session) |
| { |
| Map<Integer, Integer> serverSettings = new HashMap<>(); |
| serverSettings.put(SettingsFrame.MAX_CONCURRENT_STREAMS, maxConcurrentStreams); |
| serverPrefaceLatch.get().countDown(); |
| return serverSettings; |
| } |
| |
| @Override |
| public void onSettings(Session session, SettingsFrame frame) |
| { |
| serverSettingsLatch.get().countDown(); |
| } |
| |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) |
| { |
| MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, HttpStatus.OK_200, new HttpFields()); |
| stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP); |
| return null; |
| } |
| }; |
| } |
| }); |
| server.start(); |
| |
| ByteBufferPool byteBufferPool = new MappedByteBufferPool(); |
| try (SocketChannel socket = SocketChannel.open()) |
| { |
| socket.connect(new InetSocketAddress("localhost", connector.getLocalPort())); |
| |
| String upgradeRequest = "" + |
| "GET /one HTTP/1.1\r\n" + |
| "Host: localhost\r\n" + |
| "Connection: Upgrade, HTTP2-Settings\r\n" + |
| "Upgrade: h2c\r\n" + |
| "HTTP2-Settings: \r\n" + |
| "\r\n"; |
| ByteBuffer upgradeBuffer = ByteBuffer.wrap(upgradeRequest.getBytes(StandardCharsets.ISO_8859_1)); |
| socket.write(upgradeBuffer); |
| |
| // Make sure onPreface() is called on server. |
| Assert.assertTrue(serverPrefaceLatch.get().await(5, TimeUnit.SECONDS)); |
| Assert.assertTrue(serverSettingsLatch.get().await(5, TimeUnit.SECONDS)); |
| |
| // The 101 response is the reply to the client preface SETTINGS frame. |
| ByteBuffer buffer = byteBufferPool.acquire(1024, true); |
| http1: while (true) |
| { |
| buffer.clear(); |
| int read = socket.read(buffer); |
| buffer.flip(); |
| if (read < 0) |
| Assert.fail(); |
| |
| int crlfs = 0; |
| while (buffer.hasRemaining()) |
| { |
| byte b = buffer.get(); |
| if (b == '\r' || b == '\n') |
| ++crlfs; |
| else |
| crlfs = 0; |
| if (crlfs == 4) |
| break http1; |
| } |
| } |
| |
| // Reset the latches on server. |
| serverPrefaceLatch.set(new CountDownLatch(1)); |
| serverSettingsLatch.set(new CountDownLatch(1)); |
| |
| // After the 101, the client must send the connection preface. |
| Generator generator = new Generator(byteBufferPool); |
| ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool); |
| generator.control(lease, new PrefaceFrame()); |
| Map<Integer, Integer> clientSettings = new HashMap<>(); |
| clientSettings.put(SettingsFrame.ENABLE_PUSH, 1); |
| generator.control(lease, new SettingsFrame(clientSettings, false)); |
| List<ByteBuffer> buffers = lease.getByteBuffers(); |
| socket.write(buffers.toArray(new ByteBuffer[buffers.size()])); |
| |
| // However, we should not call onPreface() again. |
| Assert.assertFalse(serverPrefaceLatch.get().await(1, TimeUnit.SECONDS)); |
| // Although we should notify of the SETTINGS frame. |
| Assert.assertTrue(serverSettingsLatch.get().await(5, TimeUnit.SECONDS)); |
| |
| CountDownLatch clientSettingsLatch = new CountDownLatch(1); |
| AtomicBoolean responded = new AtomicBoolean(); |
| Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() |
| { |
| @Override |
| public void onSettings(SettingsFrame frame) |
| { |
| if (frame.isReply()) |
| return; |
| Assert.assertEquals(maxConcurrentStreams, frame.getSettings().get(SettingsFrame.MAX_CONCURRENT_STREAMS)); |
| clientSettingsLatch.countDown(); |
| } |
| |
| @Override |
| public void onHeaders(HeadersFrame frame) |
| { |
| if (frame.isEndStream()) |
| responded.set(true); |
| } |
| }, 4096, 8192); |
| |
| // HTTP/2 parsing. |
| while (true) |
| { |
| parser.parse(buffer); |
| if (responded.get()) |
| break; |
| |
| buffer.clear(); |
| int read = socket.read(buffer); |
| buffer.flip(); |
| if (read < 0) |
| Assert.fail(); |
| } |
| |
| Assert.assertTrue(clientSettingsLatch.await(5, TimeUnit.SECONDS)); |
| } |
| } |
| } |