Examples with CapacityChannel org.apache.hc.core5.http.nio.CapacityChannel used on opensource projects

Example 1 with CapacityChannel

use of org.apache.hc.core5.http.nio.CapacityChannel in project httpcomponents-core by apache.

the class BenchmarkWorker method createResponseConsumer.

private AsyncResponseConsumer<Void> createResponseConsumer() {
    return new AsyncResponseConsumer<Void>() {

        volatile int status;

        volatile Charset charset;

        final AtomicLong contentLength = new AtomicLong();

        final AtomicReference<FutureCallback<Void>> resultCallbackRef = new AtomicReference<>();

        @Override
        public void consumeResponse(final HttpResponse response, final EntityDetails entityDetails, final HttpContext context, final FutureCallback<Void> resultCallback) throws HttpException, IOException {
            status = response.getCode();
            resultCallbackRef.set(resultCallback);
            stats.setVersion(response.getVersion());
            final Header serverHeader = response.getFirstHeader(HttpHeaders.SERVER);
            if (serverHeader != null) {
                stats.setServerName(serverHeader.getValue());
            }
            if (config.getVerbosity() >= 2) {
                System.out.println(response.getCode());
            }
            if (entityDetails != null) {
                if (config.getVerbosity() >= 6) {
                    if (entityDetails.getContentType() != null) {
                        final ContentType contentType = ContentType.parseLenient(entityDetails.getContentType());
                        charset = ContentType.getCharset(contentType, null);
                    }
                }
            } else {
                streamEnd(null);
            }
        }

        @Override
        public void informationResponse(final HttpResponse response, final HttpContext context) throws HttpException, IOException {
        }

        @Override
        public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
            capacityChannel.update(Integer.MAX_VALUE);
        }

        @Override
        public void consume(final ByteBuffer src) throws IOException {
            final int n = src.remaining();
            contentLength.addAndGet(n);
            stats.incTotalContentLength(n);
            if (config.getVerbosity() >= 6) {
                final CharsetDecoder decoder = (charset != null ? charset : StandardCharsets.US_ASCII).newDecoder();
                System.out.print(decoder.decode(src));
            }
        }

        @Override
        public void streamEnd(final List<? extends Header> trailers) throws HttpException, IOException {
            if (status == HttpStatus.SC_OK) {
                stats.incSuccessCount();
            } else {
                stats.incFailureCount();
            }
            stats.setContentLength(contentLength.get());
            final FutureCallback<Void> resultCallback = resultCallbackRef.getAndSet(null);
            if (resultCallback != null) {
                resultCallback.completed(null);
            }
            if (config.getVerbosity() >= 6) {
                System.out.println();
                System.out.println();
            }
        }

        @Override
        public void failed(final Exception cause) {
            stats.incFailureCount();
            final FutureCallback<Void> resultCallback = resultCallbackRef.getAndSet(null);
            if (resultCallback != null) {
                resultCallback.failed(cause);
            }
            if (config.getVerbosity() >= 1) {
                System.out.println("HTTP response error: " + cause.getMessage());
            }
        }

        @Override
        public void releaseResources() {
        }
    };
}

Example 2 with CapacityChannel

use of org.apache.hc.core5.http.nio.CapacityChannel in project httpcomponents-core by apache.

the class H2IntegrationTest method testPrematureResponse.

@Test
public void testPrematureResponse() throws Exception {
    server.register("*", new Supplier<AsyncServerExchangeHandler>() {

        @Override
        public AsyncServerExchangeHandler get() {
            return new AsyncServerExchangeHandler() {

                private final AtomicReference<AsyncResponseProducer> responseProducer = new AtomicReference<>();

                @Override
                public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
                    capacityChannel.update(Integer.MAX_VALUE);
                }

                @Override
                public void consume(final ByteBuffer src) throws IOException {
                }

                @Override
                public void streamEnd(final List<? extends Header> trailers) throws HttpException, IOException {
                }

                @Override
                public void handleRequest(final HttpRequest request, final EntityDetails entityDetails, final ResponseChannel responseChannel, final HttpContext context) throws HttpException, IOException {
                    final AsyncResponseProducer producer;
                    final Header h = request.getFirstHeader("password");
                    if (h != null && "secret".equals(h.getValue())) {
                        producer = new BasicResponseProducer(HttpStatus.SC_OK, "All is well");
                    } else {
                        producer = new BasicResponseProducer(HttpStatus.SC_UNAUTHORIZED, "You shall not pass");
                    }
                    responseProducer.set(producer);
                    producer.sendResponse(responseChannel, context);
                }

                @Override
                public int available() {
                    final AsyncResponseProducer producer = this.responseProducer.get();
                    return producer.available();
                }

                @Override
                public void produce(final DataStreamChannel channel) throws IOException {
                    final AsyncResponseProducer producer = this.responseProducer.get();
                    producer.produce(channel);
                }

                @Override
                public void failed(final Exception cause) {
                }

                @Override
                public void releaseResources() {
                }
            };
        }
    });
    final InetSocketAddress serverEndpoint = server.start();
    client.start();
    final Future<ClientSessionEndpoint> connectFuture = client.connect("localhost", serverEndpoint.getPort(), TIMEOUT);
    final ClientSessionEndpoint streamEndpoint = connectFuture.get();
    final HttpRequest request1 = new BasicHttpRequest(Method.POST, createRequestURI(serverEndpoint, "/echo"));
    final Future<Message<HttpResponse, String>> future1 = streamEndpoint.execute(new BasicRequestProducer(request1, new MultiLineEntityProducer("0123456789abcdef", 5000)), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null);
    final Message<HttpResponse, String> result1 = future1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    Assertions.assertNotNull(result1);
    final HttpResponse response1 = result1.getHead();
    Assertions.assertNotNull(response1);
    Assertions.assertEquals(HttpStatus.SC_UNAUTHORIZED, response1.getCode());
    Assertions.assertNotNull("You shall not pass", result1.getBody());
}

Example 3 with CapacityChannel

use of org.apache.hc.core5.http.nio.CapacityChannel in project httpcomponents-core by apache.

the class H2MultiplexingRequester method execute.

private void execute(final AsyncClientExchangeHandler exchangeHandler, final HandlerFactory<AsyncPushConsumer> pushHandlerFactory, final CancellableDependency cancellableDependency, final Timeout timeout, final HttpContext context) {
    Args.notNull(exchangeHandler, "Exchange handler");
    Args.notNull(timeout, "Timeout");
    Args.notNull(context, "Context");
    try {
        exchangeHandler.produceRequest((request, entityDetails, httpContext) -> {
            final String scheme = request.getScheme();
            final URIAuthority authority = request.getAuthority();
            if (authority == null) {
                throw new ProtocolException("Request authority not specified");
            }
            final HttpHost target = new HttpHost(scheme, authority);
            connPool.getSession(target, timeout, new FutureCallback<IOSession>() {

                @Override
                public void completed(final IOSession ioSession) {
                    ioSession.enqueue(new RequestExecutionCommand(new AsyncClientExchangeHandler() {

                        @Override
                        public void releaseResources() {
                            exchangeHandler.releaseResources();
                        }

                        @Override
                        public void produceRequest(final RequestChannel channel, final HttpContext httpContext) throws HttpException, IOException {
                            channel.sendRequest(request, entityDetails, httpContext);
                        }

                        @Override
                        public int available() {
                            return exchangeHandler.available();
                        }

                        @Override
                        public void produce(final DataStreamChannel channel) throws IOException {
                            exchangeHandler.produce(channel);
                        }

                        @Override
                        public void consumeInformation(final HttpResponse response, final HttpContext httpContext) throws HttpException, IOException {
                            exchangeHandler.consumeInformation(response, httpContext);
                        }

                        @Override
                        public void consumeResponse(final HttpResponse response, final EntityDetails entityDetails, final HttpContext httpContext) throws HttpException, IOException {
                            exchangeHandler.consumeResponse(response, entityDetails, httpContext);
                        }

                        @Override
                        public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
                            exchangeHandler.updateCapacity(capacityChannel);
                        }

                        @Override
                        public void consume(final ByteBuffer src) throws IOException {
                            exchangeHandler.consume(src);
                        }

                        @Override
                        public void streamEnd(final List<? extends Header> trailers) throws HttpException, IOException {
                            exchangeHandler.streamEnd(trailers);
                        }

                        @Override
                        public void cancel() {
                            exchangeHandler.cancel();
                        }

                        @Override
                        public void failed(final Exception cause) {
                            exchangeHandler.failed(cause);
                        }
                    }, pushHandlerFactory, cancellableDependency, context), Command.Priority.NORMAL);
                    if (!ioSession.isOpen()) {
                        exchangeHandler.failed(new ConnectionClosedException());
                    }
                }

                @Override
                public void failed(final Exception ex) {
                    exchangeHandler.failed(ex);
                }

                @Override
                public void cancelled() {
                    exchangeHandler.cancel();
                }
            });
        }, context);
    } catch (final IOException | HttpException ex) {
        exchangeHandler.failed(ex);
    }
}

Example 4 with CapacityChannel

use of org.apache.hc.core5.http.nio.CapacityChannel in project httpcomponents-core by apache.

the class H2FullDuplexClientExample method main.

public static void main(final String[] args) throws Exception {
    final IOReactorConfig ioReactorConfig = IOReactorConfig.custom().setSoTimeout(5, TimeUnit.SECONDS).build();
    // Create and start requester
    final H2Config h2Config = H2Config.custom().setPushEnabled(false).setMaxConcurrentStreams(100).build();
    final HttpAsyncRequester requester = H2RequesterBootstrap.bootstrap().setIOReactorConfig(ioReactorConfig).setH2Config(h2Config).setVersionPolicy(HttpVersionPolicy.FORCE_HTTP_2).setStreamListener(new H2StreamListener() {

        @Override
        public void onHeaderInput(final HttpConnection connection, final int streamId, final List<? extends Header> headers) {
            for (int i = 0; i < headers.size(); i++) {
                System.out.println(connection.getRemoteAddress() + " (" + streamId + ") << " + headers.get(i));
            }
        }

        @Override
        public void onHeaderOutput(final HttpConnection connection, final int streamId, final List<? extends Header> headers) {
            for (int i = 0; i < headers.size(); i++) {
                System.out.println(connection.getRemoteAddress() + " (" + streamId + ") >> " + headers.get(i));
            }
        }

        @Override
        public void onFrameInput(final HttpConnection connection, final int streamId, final RawFrame frame) {
        }

        @Override
        public void onFrameOutput(final HttpConnection connection, final int streamId, final RawFrame frame) {
        }

        @Override
        public void onInputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) {
        }

        @Override
        public void onOutputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) {
        }
    }).create();
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        System.out.println("HTTP requester shutting down");
        requester.close(CloseMode.GRACEFUL);
    }));
    requester.start();
    final URI requestUri = new URI("http://nghttp2.org/httpbin/post");
    final AsyncRequestProducer requestProducer = AsyncRequestBuilder.post(requestUri).setEntity("stuff").build();
    final BasicResponseConsumer<String> responseConsumer = new BasicResponseConsumer<>(new StringAsyncEntityConsumer());
    final CountDownLatch latch = new CountDownLatch(1);
    requester.execute(new AsyncClientExchangeHandler() {

        @Override
        public void releaseResources() {
            requestProducer.releaseResources();
            responseConsumer.releaseResources();
            latch.countDown();
        }

        @Override
        public void cancel() {
            System.out.println(requestUri + " cancelled");
        }

        @Override
        public void failed(final Exception cause) {
            System.out.println(requestUri + "->" + cause);
        }

        @Override
        public void produceRequest(final RequestChannel channel, final HttpContext httpContext) throws HttpException, IOException {
            requestProducer.sendRequest(channel, httpContext);
        }

        @Override
        public int available() {
            return requestProducer.available();
        }

        @Override
        public void produce(final DataStreamChannel channel) throws IOException {
            requestProducer.produce(channel);
        }

        @Override
        public void consumeInformation(final HttpResponse response, final HttpContext httpContext) throws HttpException, IOException {
            System.out.println(requestUri + "->" + response.getCode());
        }

        @Override
        public void consumeResponse(final HttpResponse response, final EntityDetails entityDetails, final HttpContext httpContext) throws HttpException, IOException {
            System.out.println(requestUri + "->" + response.getCode());
            responseConsumer.consumeResponse(response, entityDetails, httpContext, null);
        }

        @Override
        public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
            responseConsumer.updateCapacity(capacityChannel);
        }

        @Override
        public void consume(final ByteBuffer src) throws IOException {
            responseConsumer.consume(src);
        }

        @Override
        public void streamEnd(final List<? extends Header> trailers) throws HttpException, IOException {
            responseConsumer.streamEnd(trailers);
        }
    }, Timeout.ofSeconds(30), HttpCoreContext.create());
    latch.await();
    System.out.println("Shutting down I/O reactor");
    requester.initiateShutdown();
}

Example 5 with CapacityChannel

use of org.apache.hc.core5.http.nio.CapacityChannel in project httpcomponents-core by apache.

the class H2FullDuplexServerExample method main.

public static void main(final String[] args) throws Exception {
    int port = 8080;
    if (args.length >= 1) {
        port = Integer.parseInt(args[0]);
    }
    final IOReactorConfig config = IOReactorConfig.custom().setSoTimeout(15, TimeUnit.SECONDS).setTcpNoDelay(true).build();
    final H2Config h2Config = H2Config.custom().setPushEnabled(true).setMaxConcurrentStreams(100).build();
    final HttpAsyncServer server = H2ServerBootstrap.bootstrap().setIOReactorConfig(config).setH2Config(h2Config).setVersionPolicy(HttpVersionPolicy.FORCE_HTTP_2).setStreamListener(new H2StreamListener() {

        @Override
        public void onHeaderInput(final HttpConnection connection, final int streamId, final List<? extends Header> headers) {
            for (int i = 0; i < headers.size(); i++) {
                System.out.println(connection.getRemoteAddress() + " (" + streamId + ") << " + headers.get(i));
            }
        }

        @Override
        public void onHeaderOutput(final HttpConnection connection, final int streamId, final List<? extends Header> headers) {
            for (int i = 0; i < headers.size(); i++) {
                System.out.println(connection.getRemoteAddress() + " (" + streamId + ") >> " + headers.get(i));
            }
        }

        @Override
        public void onFrameInput(final HttpConnection connection, final int streamId, final RawFrame frame) {
        }

        @Override
        public void onFrameOutput(final HttpConnection connection, final int streamId, final RawFrame frame) {
        }

        @Override
        public void onInputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) {
        }

        @Override
        public void onOutputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) {
        }
    }).register("/echo", () -> new AsyncServerExchangeHandler() {

        ByteBuffer buffer = ByteBuffer.allocate(2048);

        CapacityChannel inputCapacityChannel;

        DataStreamChannel outputDataChannel;

        boolean endStream;

        private void ensureCapacity(final int chunk) {
            if (buffer.remaining() < chunk) {
                final ByteBuffer oldBuffer = buffer;
                oldBuffer.flip();
                buffer = ByteBuffer.allocate(oldBuffer.remaining() + (chunk > 2048 ? chunk : 2048));
                buffer.put(oldBuffer);
            }
        }

        @Override
        public void handleRequest(final HttpRequest request, final EntityDetails entityDetails, final ResponseChannel responseChannel, final HttpContext context) throws HttpException, IOException {
            final HttpResponse response = new BasicHttpResponse(HttpStatus.SC_OK);
            responseChannel.sendResponse(response, entityDetails, context);
        }

        @Override
        public void consume(final ByteBuffer src) throws IOException {
            if (buffer.position() == 0) {
                if (outputDataChannel != null) {
                    outputDataChannel.write(src);
                }
            }
            if (src.hasRemaining()) {
                ensureCapacity(src.remaining());
                buffer.put(src);
                if (outputDataChannel != null) {
                    outputDataChannel.requestOutput();
                }
            }
        }

        @Override
        public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
            if (buffer.hasRemaining()) {
                capacityChannel.update(buffer.remaining());
                inputCapacityChannel = null;
            } else {
                inputCapacityChannel = capacityChannel;
            }
        }

        @Override
        public void streamEnd(final List<? extends Header> trailers) throws IOException {
            endStream = true;
            if (buffer.position() == 0) {
                if (outputDataChannel != null) {
                    outputDataChannel.endStream();
                }
            } else {
                if (outputDataChannel != null) {
                    outputDataChannel.requestOutput();
                }
            }
        }

        @Override
        public int available() {
            return buffer.position();
        }

        @Override
        public void produce(final DataStreamChannel channel) throws IOException {
            outputDataChannel = channel;
            buffer.flip();
            if (buffer.hasRemaining()) {
                channel.write(buffer);
            }
            buffer.compact();
            if (buffer.position() == 0 && endStream) {
                channel.endStream();
            }
            final CapacityChannel capacityChannel = inputCapacityChannel;
            if (capacityChannel != null && buffer.hasRemaining()) {
                capacityChannel.update(buffer.remaining());
            }
        }

        @Override
        public void failed(final Exception cause) {
            if (!(cause instanceof SocketException)) {
                cause.printStackTrace(System.out);
            }
        }

        @Override
        public void releaseResources() {
        }
    }).create();
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        System.out.println("HTTP server shutting down");
        server.close(CloseMode.GRACEFUL);
    }));
    server.start();
    final Future<ListenerEndpoint> future = server.listen(new InetSocketAddress(port), URIScheme.HTTP);
    final ListenerEndpoint listenerEndpoint = future.get();
    System.out.print("Listening on " + listenerEndpoint.getAddress());
    server.awaitShutdown(TimeValue.ofDays(Long.MAX_VALUE));
}