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

Example 26 with DataStreamChannel

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

the class HttpAsyncRequester method execute.

public void execute(final AsyncClientExchangeHandler exchangeHandler, final HandlerFactory<AsyncPushConsumer> pushHandlerFactory, final Timeout timeout, final HttpContext executeContext) {
    Args.notNull(exchangeHandler, "Exchange handler");
    Args.notNull(timeout, "Timeout");
    Args.notNull(executeContext, "Context");
    try {
        exchangeHandler.produceRequest((request, entityDetails, requestContext) -> {
            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);
            connect(target, timeout, null, new FutureCallback<AsyncClientEndpoint>() {

                @Override
                public void completed(final AsyncClientEndpoint endpoint) {
                    endpoint.execute(new AsyncClientExchangeHandler() {

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

                        @Override
                        public void failed(final Exception cause) {
                            endpoint.releaseAndDiscard();
                            exchangeHandler.failed(cause);
                        }

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

                        @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 {
                            if (entityDetails == null) {
                                endpoint.releaseAndReuse();
                            }
                            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 {
                            endpoint.releaseAndReuse();
                            exchangeHandler.streamEnd(trailers);
                        }
                    }, pushHandlerFactory, executeContext);
                }

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

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

Example 27 with DataStreamChannel

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

the class EchoHandler method produce.

@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());
    }
}

Example 28 with DataStreamChannel

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

the class Http1IntegrationTest method testPrematureResponse.

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

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

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

        @Override
        public void produce(final DataStreamChannel channel) throws IOException {
            final AsyncResponseProducer producer = 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();
    for (int i = 0; i < 3; i++) {
        final HttpRequest request1 = new BasicHttpRequest(Method.POST, createRequestURI(serverEndpoint, "/echo"));
        final Future<Message<HttpResponse, String>> future1 = streamEndpoint.execute(new BasicRequestProducer(request1, new MultiLineEntityProducer("0123456789abcdef", 100000)), 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());
        Assertions.assertTrue(streamEndpoint.isOpen());
    }
    final HttpRequest request1 = new BasicHttpRequest(Method.POST, createRequestURI(serverEndpoint, "/echo"));
    final Future<Message<HttpResponse, String>> future1 = streamEndpoint.execute(new BasicRequestProducer(request1, new MultiBinEntityProducer(new byte[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }, 100000, ContentType.TEXT_PLAIN)), 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());
    Assertions.assertFalse(streamEndpoint.isOpen());
}

Example 29 with DataStreamChannel

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

the class Http1IntegrationTest method testProtocolException.

@Test
public void testProtocolException() throws Exception {
    server.register("/boom", () -> new AsyncServerExchangeHandler() {

        private final StringAsyncEntityProducer entityProducer = new StringAsyncEntityProducer("Everyting is OK");

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

        @Override
        public void handleRequest(final HttpRequest request, final EntityDetails entityDetails, final ResponseChannel responseChannel, final HttpContext context) throws HttpException, IOException {
            final String requestUri = request.getRequestUri();
            if (requestUri.endsWith("boom")) {
                throw new ProtocolException("Boom!!!");
            }
            responseChannel.sendResponse(new BasicHttpResponse(200), entityProducer, context);
        }

        @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 {
        // empty
        }

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

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

        @Override
        public void failed(final Exception cause) {
            releaseResources();
        }
    });
    final InetSocketAddress serverEndpoint = server.start();
    client.start();
    final Future<ClientSessionEndpoint> connectFuture = client.connect("localhost", serverEndpoint.getPort(), TIMEOUT);
    final ClientSessionEndpoint streamEndpoint = connectFuture.get();
    final Future<Message<HttpResponse, String>> future = streamEndpoint.execute(new BasicRequestProducer(Method.GET, createRequestURI(serverEndpoint, "/boom")), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null);
    final Message<HttpResponse, String> result = future.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    Assertions.assertNotNull(result);
    final HttpResponse response1 = result.getHead();
    final String entity1 = result.getBody();
    Assertions.assertNotNull(response1);
    Assertions.assertEquals(HttpStatus.SC_BAD_REQUEST, response1.getCode());
    Assertions.assertEquals("Boom!!!", entity1);
}

Example 30 with DataStreamChannel

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

the class AsyncFullDuplexServerExample 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 HttpAsyncServer server = AsyncServerBootstrap.bootstrap().setIOReactorConfig(config).setStreamListener(new Http1StreamListener() {

        @Override
        public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
            System.out.println(connection.getRemoteAddress() + " " + new RequestLine(request));
        }

        @Override
        public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
            System.out.println(connection.getRemoteAddress() + " " + new StatusLine(response));
        }

        @Override
        public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
            if (keepAlive) {
                System.out.println(connection.getRemoteAddress() + " exchange completed (connection kept alive)");
            } else {
                System.out.println(connection.getRemoteAddress() + " exchange completed (connection closed)");
            }
        }
    }).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.MAX_VALUE);
}