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

Example 1 with HttpConnection

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

the class ReactiveFullDuplexClientExample method main.

public static void main(final String[] args) throws Exception {
    String endpoint = "http://localhost:8080/echo";
    if (args.length >= 1) {
        endpoint = args[0];
    }
    // Create and start requester
    final HttpAsyncRequester requester = AsyncRequesterBootstrap.bootstrap().setIOReactorConfig(IOReactorConfig.custom().setSoTimeout(5, TimeUnit.SECONDS).build()).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)");
            }
        }
    }).create();
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        System.out.println("HTTP requester shutting down");
        requester.close(CloseMode.GRACEFUL);
    }));
    requester.start();
    final Random random = new Random();
    final Flowable<ByteBuffer> publisher = Flowable.range(1, 100).map(ignored -> {
        final String str = random.nextDouble() + "\n";
        return ByteBuffer.wrap(str.getBytes(UTF_8));
    });
    final AsyncRequestProducer requestProducer = AsyncRequestBuilder.post(new URI(endpoint)).setEntity(new ReactiveEntityProducer(publisher, -1, ContentType.TEXT_PLAIN, null)).build();
    final ReactiveResponseConsumer consumer = new ReactiveResponseConsumer();
    final Future<Void> responseComplete = requester.execute(requestProducer, consumer, Timeout.ofSeconds(30), null);
    final Message<HttpResponse, Publisher<ByteBuffer>> streamingResponse = consumer.getResponseFuture().get();
    System.out.println(streamingResponse.getHead());
    for (final Header header : streamingResponse.getHead().getHeaders()) {
        System.out.println(header);
    }
    System.out.println();
    Observable.fromPublisher(streamingResponse.getBody()).map(byteBuffer -> {
        final byte[] string = new byte[byteBuffer.remaining()];
        byteBuffer.get(string);
        return new String(string);
    }).materialize().forEach(System.out::println);
    responseComplete.get(1, TimeUnit.MINUTES);
    System.out.println("Shutting down I/O reactor");
    requester.initiateShutdown();
}

Example 2 with HttpConnection

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

the class H2RequestExecutionExample method main.

public static void main(final String[] args) throws Exception {
    // Create and start requester
    final H2Config h2Config = H2Config.custom().setPushEnabled(false).build();
    final HttpAsyncRequester requester = H2RequesterBootstrap.bootstrap().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 HttpHost target = new HttpHost("nghttp2.org");
    final String[] requestUris = new String[] { "/httpbin/ip", "/httpbin/user-agent", "/httpbin/headers" };
    final CountDownLatch latch = new CountDownLatch(requestUris.length);
    for (final String requestUri : requestUris) {
        final Future<AsyncClientEndpoint> future = requester.connect(target, Timeout.ofSeconds(5));
        final AsyncClientEndpoint clientEndpoint = future.get();
        clientEndpoint.execute(AsyncRequestBuilder.get().setHttpHost(target).setPath(requestUri).build(), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), new FutureCallback<Message<HttpResponse, String>>() {

            @Override
            public void completed(final Message<HttpResponse, String> message) {
                clientEndpoint.releaseAndReuse();
                final HttpResponse response = message.getHead();
                final String body = message.getBody();
                System.out.println(requestUri + "->" + response.getCode());
                System.out.println(body);
                latch.countDown();
            }

            @Override
            public void failed(final Exception ex) {
                clientEndpoint.releaseAndDiscard();
                System.out.println(requestUri + "->" + ex);
                latch.countDown();
            }

            @Override
            public void cancelled() {
                clientEndpoint.releaseAndDiscard();
                System.out.println(requestUri + " cancelled");
                latch.countDown();
            }
        });
    }
    latch.await();
    System.out.println("Shutting down I/O reactor");
    requester.initiateShutdown();
}

Example 3 with HttpConnection

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

the class H2ViaHttp1ProxyExecutionExample method main.

public static void main(final String[] args) throws Exception {
    // Create and start requester
    final H2Config h2Config = H2Config.custom().setPushEnabled(false).build();
    final HttpAsyncRequester requester = H2RequesterBootstrap.bootstrap().setH2Config(h2Config).setVersionPolicy(HttpVersionPolicy.NEGOTIATE).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)");
            }
        }
    }).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 HttpHost proxy = new HttpHost("localhost", 8888);
    final HttpHost target = new HttpHost("https", "nghttp2.org");
    final ComplexFuture<AsyncClientEndpoint> tunnelFuture = new ComplexFuture<>(null);
    tunnelFuture.setDependency(requester.connect(proxy, Timeout.ofSeconds(30), null, new FutureContribution<AsyncClientEndpoint>(tunnelFuture) {

        @Override
        public void completed(final AsyncClientEndpoint endpoint) {
            if (endpoint instanceof TlsUpgradeCapable) {
                final HttpRequest connect = new BasicHttpRequest(Method.CONNECT, proxy, target.toHostString());
                endpoint.execute(new BasicRequestProducer(connect, null), new BasicResponseConsumer<>(new DiscardingEntityConsumer<>()), new FutureContribution<Message<HttpResponse, Void>>(tunnelFuture) {

                    @Override
                    public void completed(final Message<HttpResponse, Void> message) {
                        final HttpResponse response = message.getHead();
                        if (response.getCode() == HttpStatus.SC_OK) {
                            ((TlsUpgradeCapable) endpoint).tlsUpgrade(target, new FutureContribution<ProtocolIOSession>(tunnelFuture) {

                                @Override
                                public void completed(final ProtocolIOSession protocolSession) {
                                    System.out.println("Tunnel to " + target + " via " + proxy + " established");
                                    tunnelFuture.completed(endpoint);
                                }
                            });
                        } else {
                            tunnelFuture.failed(new HttpException("Tunnel refused: " + new StatusLine(response)));
                        }
                    }
                });
            } else {
                tunnelFuture.failed(new IllegalStateException("TLS upgrade not supported"));
            }
        }
    }));
    final String[] requestUris = new String[] { "/httpbin/ip", "/httpbin/user-agent", "/httpbin/headers" };
    final AsyncClientEndpoint endpoint = tunnelFuture.get(1, TimeUnit.MINUTES);
    try {
        final CountDownLatch latch = new CountDownLatch(requestUris.length);
        for (final String requestUri : requestUris) {
            endpoint.execute(new BasicRequestProducer(Method.GET, target, requestUri), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), new FutureCallback<Message<HttpResponse, String>>() {

                @Override
                public void completed(final Message<HttpResponse, String> message) {
                    final HttpResponse response = message.getHead();
                    final String body = message.getBody();
                    System.out.println(requestUri + "->" + response.getCode());
                    System.out.println(body);
                    latch.countDown();
                }

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

                @Override
                public void cancelled() {
                    System.out.println(requestUri + " cancelled");
                    latch.countDown();
                }
            });
        }
        latch.await();
    } finally {
        endpoint.releaseAndDiscard();
    }
    System.out.println("Shutting down I/O reactor");
    requester.initiateShutdown();
}

Example 4 with HttpConnection

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

the class LoggingHttp1StreamListener method onResponseHead.

@Override
public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
    if (headerLog.isDebugEnabled()) {
        final String id = LoggingSupport.getId(connection);
        headerLog.debug("{}{}{}", id, responseDirection, new StatusLine(response));
        for (final Iterator<Header> it = response.headerIterator(); it.hasNext(); ) {
            headerLog.debug("{}{}{}", id, responseDirection, it.next());
        }
    }
}

Example 5 with HttpConnection

use of org.apache.hc.core5.http.HttpConnection 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();
}