Examples with Callback org.eclipse.jetty.util.Callback used on opensource projects

Example 1 with Callback

use of org.eclipse.jetty.util.Callback in project camel by apache.

the class JettyContentExchange9 method send.

public void send(HttpClient client) throws IOException {
    org.eclipse.jetty.client.api.Request.Listener listener = new Request.Listener.Adapter() {

        @Override
        public void onSuccess(Request request) {
            onRequestComplete();
        }

        @Override
        public void onFailure(Request request, Throwable failure) {
            onConnectionFailed(failure);
        }
    };
    InputStreamResponseListener responseListener = new InputStreamResponseListener() {

        OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);

        @Override
        public void onContent(Response response, ByteBuffer content, Callback callback) {
            byte[] buffer = new byte[content.limit()];
            content.get(buffer);
            try {
                osb.write(buffer);
                callback.succeeded();
            } catch (IOException e) {
                callback.failed(e);
            }
        }

        @Override
        public void onComplete(Result result) {
            if (result.isFailed()) {
                doTaskCompleted(result.getFailure());
            } else {
                try {
                    Object content = osb.build();
                    if (content instanceof byte[]) {
                        onResponseComplete(result, (byte[]) content);
                    } else {
                        StreamCache cos = (StreamCache) content;
                        ByteArrayOutputStream baos = new ByteArrayOutputStream();
                        cos.writeTo(baos);
                        onResponseComplete(result, baos.toByteArray());
                    }
                } catch (IOException e) {
                    doTaskCompleted(e);
                }
            }
        }
    };
    request.followRedirects(supportRedirect).listener(listener).send(responseListener);
}

Example 2 with Callback

use of org.eclipse.jetty.util.Callback in project jetty.project by eclipse.

the class JDK9HTTP2Client method main.

public static void main(String[] args) throws Exception {
    HTTP2Client client = new HTTP2Client();
    SslContextFactory sslContextFactory = new SslContextFactory(true);
    client.addBean(sslContextFactory);
    client.start();
    String host = "localhost";
    int port = 8443;
    FuturePromise<Session> sessionPromise = new FuturePromise<>();
    client.connect(sslContextFactory, new InetSocketAddress(host, port), new Session.Listener.Adapter(), sessionPromise);
    Session session = sessionPromise.get(555, TimeUnit.SECONDS);
    HttpFields requestFields = new HttpFields();
    requestFields.put("User-Agent", client.getClass().getName() + "/" + Jetty.VERSION);
    MetaData.Request metaData = new MetaData.Request("GET", new HttpURI("https://" + host + ":" + port + "/"), HttpVersion.HTTP_2, requestFields);
    HeadersFrame headersFrame = new HeadersFrame(metaData, null, true);
    CountDownLatch latch = new CountDownLatch(1);
    session.newStream(headersFrame, new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            System.err.println(frame);
            if (frame.isEndStream())
                latch.countDown();
        }

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            System.err.println(frame);
            callback.succeeded();
            if (frame.isEndStream())
                latch.countDown();
        }
    });
    latch.await(5, TimeUnit.SECONDS);
    client.stop();
}

Example 3 with Callback

use of org.eclipse.jetty.util.Callback in project jetty.project by eclipse.

the class TrailersTest method testTrailersSentByServer.

@Test
public void testTrailersSentByServer() throws Exception {
    start(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            HttpFields responseFields = new HttpFields();
            responseFields.put("X-Response", "true");
            MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, HttpStatus.OK_200, responseFields);
            HeadersFrame responseFrame = new HeadersFrame(stream.getId(), response, null, false);
            stream.headers(responseFrame, new Callback() {

                @Override
                public void succeeded() {
                    HttpFields trailerFields = new HttpFields();
                    trailerFields.put("X-Trailer", "true");
                    MetaData trailer = new MetaData(HttpVersion.HTTP_2, trailerFields);
                    HeadersFrame trailerFrame = new HeadersFrame(stream.getId(), trailer, null, true);
                    stream.headers(trailerFrame, NOOP);
                }
            });
            return null;
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    MetaData.Request request = newRequest("GET", new HttpFields());
    HeadersFrame requestFrame = new HeadersFrame(request, null, true);
    CountDownLatch latch = new CountDownLatch(1);
    session.newStream(requestFrame, new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        private boolean responded;

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (!responded) {
                MetaData.Response response = (MetaData.Response) frame.getMetaData();
                Assert.assertEquals(HttpStatus.OK_200, response.getStatus());
                Assert.assertTrue(response.getFields().containsKey("X-Response"));
                Assert.assertFalse(frame.isEndStream());
                responded = true;
            } else {
                MetaData trailer = frame.getMetaData();
                Assert.assertTrue(trailer.getFields().containsKey("X-Trailer"));
                Assert.assertTrue(frame.isEndStream());
                latch.countDown();
            }
        }
    });
    Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}

Example 4 with Callback

use of org.eclipse.jetty.util.Callback in project jetty.project by eclipse.

the class HTTP2Session method onData.

@Override
public void onData(final DataFrame frame) {
    if (LOG.isDebugEnabled())
        LOG.debug("Received {}", frame);
    int streamId = frame.getStreamId();
    final IStream stream = getStream(streamId);
    // SPEC: the session window must be updated even if the stream is null.
    // The flow control length includes the padding bytes.
    final int flowControlLength = frame.remaining() + frame.padding();
    flowControl.onDataReceived(this, stream, flowControlLength);
    if (stream != null) {
        if (getRecvWindow() < 0) {
            close(ErrorCode.FLOW_CONTROL_ERROR.code, "session_window_exceeded", Callback.NOOP);
        } else {
            stream.process(frame, new Callback() {

                @Override
                public void succeeded() {
                    complete();
                }

                @Override
                public void failed(Throwable x) {
                    // Consume also in case of failures, to free the
                    // session flow control window for other streams.
                    complete();
                }

                private void complete() {
                    notIdle();
                    stream.notIdle();
                    flowControl.onDataConsumed(HTTP2Session.this, stream, flowControlLength);
                }
            });
        }
    } else {
        if (LOG.isDebugEnabled())
            LOG.debug("Ignoring {}, stream #{} not found", frame, streamId);
        // We must enlarge the session flow control window,
        // otherwise other requests will be stalled.
        flowControl.onDataConsumed(this, null, flowControlLength);
    }
}

Example 5 with Callback

use of org.eclipse.jetty.util.Callback in project jetty.project by eclipse.

the class ServerTimeoutsTest method testBlockingTimeoutSmallerThanIdleTimeoutBlockingWriteBlockingTimeoutFires.

@Test
public void testBlockingTimeoutSmallerThanIdleTimeoutBlockingWriteBlockingTimeoutFires() throws Exception {
    long blockingTimeout = 2500;
    httpConfig.setBlockingTimeout(blockingTimeout);
    CountDownLatch handlerLatch = new CountDownLatch(1);
    start(new BlockingWriteHandler(handlerLatch));
    long idleTimeout = 3 * blockingTimeout;
    setServerIdleTimeout(idleTimeout);
    try (StacklessLogging stackless = new StacklessLogging(HttpChannel.class)) {
        BlockingQueue<Callback> callbacks = new LinkedBlockingQueue<>();
        CountDownLatch resultLatch = new CountDownLatch(1);
        client.newRequest(newURI()).onResponseContentAsync((response, content, callback) -> {
            // Do not succeed the callback so the server will block writing.
            callbacks.offer(callback);
        }).send(result -> {
            if (result.isFailed())
                resultLatch.countDown();
        });
        // Blocking write should timeout.
        Assert.assertTrue(handlerLatch.await(2 * blockingTimeout, TimeUnit.MILLISECONDS));
        // After the server stopped sending, consume on the client to read the early EOF.
        while (true) {
            Callback callback = callbacks.poll(1, TimeUnit.SECONDS);
            if (callback == null)
                break;
            callback.succeeded();
        }
        Assert.assertTrue(resultLatch.await(5, TimeUnit.SECONDS));
    }
}