Examples with Parser org.eclipse.jetty.http2.parser.Parser used on opensource projects

Example 6 with Parser

use of org.eclipse.jetty.http2.parser.Parser in project jetty.project by eclipse.

the class HttpClientTransportOverHTTP2Test method testClientStopsServerDoesNotCloseClientCloses.

@Test
public void testClientStopsServerDoesNotCloseClientCloses() throws Exception {
    try (ServerSocket server = new ServerSocket(0)) {
        List<Session> sessions = new ArrayList<>();
        HTTP2Client h2Client = new HTTP2Client();
        HttpClient client = new HttpClient(new HttpClientTransportOverHTTP2(h2Client) {

            @Override
            protected HttpConnectionOverHTTP2 newHttpConnection(HttpDestination destination, Session session) {
                sessions.add(session);
                return super.newHttpConnection(destination, session);
            }
        }, null);
        QueuedThreadPool clientExecutor = new QueuedThreadPool();
        clientExecutor.setName("client");
        client.setExecutor(clientExecutor);
        client.start();
        CountDownLatch resultLatch = new CountDownLatch(1);
        client.newRequest("localhost", server.getLocalPort()).send(result -> {
            if (result.getResponse().getStatus() == HttpStatus.OK_200)
                resultLatch.countDown();
        });
        ByteBufferPool byteBufferPool = new MappedByteBufferPool();
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        Generator generator = new Generator(byteBufferPool);
        try (Socket socket = server.accept()) {
            socket.setSoTimeout(1000);
            OutputStream output = socket.getOutputStream();
            InputStream input = socket.getInputStream();
            ServerParser parser = new ServerParser(byteBufferPool, new ServerParser.Listener.Adapter() {

                @Override
                public void onHeaders(HeadersFrame request) {
                    // Server's preface.
                    generator.control(lease, new SettingsFrame(new HashMap<>(), false));
                    // Reply to client's SETTINGS.
                    generator.control(lease, new SettingsFrame(new HashMap<>(), true));
                    // Response.
                    MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, HttpStatus.OK_200, new HttpFields());
                    HeadersFrame response = new HeadersFrame(request.getStreamId(), metaData, null, true);
                    generator.control(lease, response);
                    try {
                        // Write the frames.
                        for (ByteBuffer buffer : lease.getByteBuffers()) output.write(BufferUtil.toArray(buffer));
                    } catch (Throwable x) {
                        x.printStackTrace();
                    }
                }
            }, 4096, 8192);
            byte[] bytes = new byte[1024];
            while (true) {
                try {
                    int read = input.read(bytes);
                    if (read < 0)
                        Assert.fail();
                    parser.parse(ByteBuffer.wrap(bytes, 0, read));
                } catch (SocketTimeoutException x) {
                    break;
                }
            }
            Assert.assertTrue(resultLatch.await(5, TimeUnit.SECONDS));
            // The client will send a GO_AWAY, but the server will not close.
            client.stop();
            // Give some time to process the stop/close operations.
            Thread.sleep(1000);
            Assert.assertTrue(h2Client.getBeans(Session.class).isEmpty());
            for (Session session : sessions) {
                Assert.assertTrue(session.isClosed());
                Assert.assertTrue(((HTTP2Session) session).isDisconnected());
            }
        }
    }
}

Example 7 with Parser

use of org.eclipse.jetty.http2.parser.Parser in project jetty.project by eclipse.

the class CloseTest method testClientAbruptlyClosesConnection.

@Test
public void testClientAbruptlyClosesConnection() throws Exception {
    final CountDownLatch closeLatch = new CountDownLatch(1);
    final AtomicReference<Session> sessionRef = new AtomicReference<>();
    startServer(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            try {
                sessionRef.set(stream.getSession());
                MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
                // Reply with HEADERS.
                stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
                closeLatch.await(5, TimeUnit.SECONDS);
                return null;
            } catch (InterruptedException x) {
                return null;
            }
        }
    });
    ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
    generator.control(lease, new PrefaceFrame());
    generator.control(lease, new SettingsFrame(new HashMap<>(), false));
    MetaData.Request metaData = newRequest("GET", new HttpFields());
    generator.control(lease, new HeadersFrame(1, metaData, null, true));
    try (Socket client = new Socket("localhost", connector.getLocalPort())) {
        OutputStream output = client.getOutputStream();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            output.write(BufferUtil.toArray(buffer));
        }
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

            @Override
            public void onHeaders(HeadersFrame frame) {
                try {
                    // Close the connection just after
                    // receiving the response headers.
                    client.close();
                    closeLatch.countDown();
                } catch (IOException x) {
                    throw new RuntimeIOException(x);
                }
            }
        }, 4096, 8192);
        parseResponse(client, parser);
        // We need to give some time to the server to receive and process the TCP FIN.
        Thread.sleep(1000);
        Session session = sessionRef.get();
        Assert.assertTrue(session.isClosed());
        Assert.assertTrue(((HTTP2Session) session).isDisconnected());
    }
}

Example 8 with Parser

use of org.eclipse.jetty.http2.parser.Parser in project jetty.project by eclipse.

the class CloseTest method testClientSendsGoAwayButDoesNotCloseConnectionServerCloses.

@Test
public void testClientSendsGoAwayButDoesNotCloseConnectionServerCloses() throws Exception {
    final AtomicReference<Session> sessionRef = new AtomicReference<>();
    startServer(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            sessionRef.set(stream.getSession());
            MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
            stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
            return null;
        }
    });
    ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
    generator.control(lease, new PrefaceFrame());
    generator.control(lease, new SettingsFrame(new HashMap<>(), false));
    MetaData.Request metaData = newRequest("GET", new HttpFields());
    generator.control(lease, new HeadersFrame(1, metaData, null, true));
    generator.control(lease, new GoAwayFrame(1, ErrorCode.NO_ERROR.code, "OK".getBytes("UTF-8")));
    try (Socket client = new Socket("localhost", connector.getLocalPort())) {
        OutputStream output = client.getOutputStream();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            output.write(BufferUtil.toArray(buffer));
        }
        // Don't close the connection; the server should close.
        final CountDownLatch responseLatch = new CountDownLatch(1);
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

            @Override
            public void onHeaders(HeadersFrame frame) {
                // Even if we sent the GO_AWAY immediately after the
                // HEADERS, the server is able to send us the response.
                responseLatch.countDown();
            }
        }, 4096, 8192);
        parseResponse(client, parser);
        Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS));
        // Wait for the server to close.
        Thread.sleep(1000);
        // Client received the TCP FIN from server.
        Assert.assertEquals(-1, client.getInputStream().read());
        // Server is closed.
        Session session = sessionRef.get();
        Assert.assertTrue(session.isClosed());
        Assert.assertTrue(((HTTP2Session) session).isDisconnected());
    }
}

Example 9 with Parser

use of org.eclipse.jetty.http2.parser.Parser in project jetty.project by eclipse.

the class PrefaceTest method testClientPrefaceReplySentAfterServerPreface.

@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 ArrayDeque<>();
        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) {
            BufferUtil.clearToFill(buffer);
            int read = socket.read(buffer);
            BufferUtil.flipToFlush(buffer, 0);
            if (read < 0)
                break;
            parser.parse(buffer);
        }
        Assert.assertEquals(2, settings.size());
        SettingsFrame frame1 = settings.poll();
        Assert.assertFalse(frame1.isReply());
        SettingsFrame frame2 = settings.poll();
        Assert.assertTrue(frame2.isReply());
    }
}

Example 10 with Parser

use of org.eclipse.jetty.http2.parser.Parser in project jetty.project by eclipse.

the class PrefaceTest method testOnPrefaceNotifiedForStandardUpgrade.

@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) {
            BufferUtil.clearToFill(buffer);
            int read = socket.read(buffer);
            BufferUtil.flipToFlush(buffer, 0);
            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;
            BufferUtil.clearToFill(buffer);
            int read = socket.read(buffer);
            BufferUtil.flipToFlush(buffer, 0);
            if (read < 0)
                Assert.fail();
        }
        Assert.assertTrue(clientSettingsLatch.await(5, TimeUnit.SECONDS));
    }
}