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

Example 1 with AsyncClientEndpoint

use of org.apache.hc.core5.http.nio.AsyncClientEndpoint 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 2 with AsyncClientEndpoint

use of org.apache.hc.core5.http.nio.AsyncClientEndpoint 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 3 with AsyncClientEndpoint

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

the class H2ProtocolNegotiationTest method testNegotiateProtocol.

@Test
public void testNegotiateProtocol() throws Exception {
    server.start();
    final Future<ListenerEndpoint> future = server.listen(new InetSocketAddress(0), URIScheme.HTTPS);
    final ListenerEndpoint listener = future.get();
    final InetSocketAddress address = (InetSocketAddress) listener.getAddress();
    requester.start();
    final HttpHost target = new HttpHost(URIScheme.HTTPS.id, "localhost", address.getPort());
    final Future<AsyncClientEndpoint> connectFuture = requester.connect(target, TIMEOUT, HttpVersionPolicy.NEGOTIATE, null);
    final AsyncClientEndpoint endpoint = connectFuture.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    final Future<Message<HttpResponse, String>> resultFuture1 = endpoint.execute(new BasicRequestProducer(Method.POST, target, "/stuff", new StringAsyncEntityProducer("some stuff", ContentType.TEXT_PLAIN)), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null);
    final Message<HttpResponse, String> message1 = resultFuture1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    assertThat(message1, CoreMatchers.notNullValue());
    final HttpResponse response1 = message1.getHead();
    assertThat(response1.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
    assertThat(response1.getVersion(), CoreMatchers.equalTo(HttpVersion.HTTP_2));
}

Example 4 with AsyncClientEndpoint

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

the class H2ProtocolNegotiationTest method testForceHttp1.

@Test
public void testForceHttp1() throws Exception {
    server.start();
    final Future<ListenerEndpoint> future = server.listen(new InetSocketAddress(0), URIScheme.HTTPS);
    final ListenerEndpoint listener = future.get();
    final InetSocketAddress address = (InetSocketAddress) listener.getAddress();
    requester.start();
    final HttpHost target = new HttpHost(URIScheme.HTTPS.id, "localhost", address.getPort());
    final Future<AsyncClientEndpoint> connectFuture = requester.connect(target, TIMEOUT, HttpVersionPolicy.FORCE_HTTP_1, null);
    final AsyncClientEndpoint endpoint = connectFuture.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    final Future<Message<HttpResponse, String>> resultFuture1 = endpoint.execute(new BasicRequestProducer(Method.POST, target, "/stuff", new StringAsyncEntityProducer("some stuff", ContentType.TEXT_PLAIN)), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null);
    final Message<HttpResponse, String> message1 = resultFuture1.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    assertThat(message1, CoreMatchers.notNullValue());
    final HttpResponse response1 = message1.getHead();
    assertThat(response1.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
    assertThat(response1.getVersion(), CoreMatchers.equalTo(HttpVersion.HTTP_1_1));
}

Example 5 with AsyncClientEndpoint

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

the class H2ServerAndRequesterTest method testPipelinedRequests.

@Test
public void testPipelinedRequests() throws Exception {
    server.start();
    final Future<ListenerEndpoint> future = server.listen(new InetSocketAddress(0), scheme);
    final ListenerEndpoint listener = future.get();
    final InetSocketAddress address = (InetSocketAddress) listener.getAddress();
    requester.start();
    final HttpHost target = new HttpHost(scheme.id, "localhost", address.getPort());
    final Future<AsyncClientEndpoint> endpointFuture = requester.connect(target, Timeout.ofSeconds(5));
    final AsyncClientEndpoint endpoint = endpointFuture.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
    try {
        final Queue<Future<Message<HttpResponse, String>>> queue = new LinkedList<>();
        queue.add(endpoint.execute(new BasicRequestProducer(Method.POST, target, "/stuff", new StringAsyncEntityProducer("some stuff", ContentType.TEXT_PLAIN)), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null));
        queue.add(endpoint.execute(new BasicRequestProducer(Method.POST, target, "/other-stuff", new StringAsyncEntityProducer("some other stuff", ContentType.TEXT_PLAIN)), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null));
        queue.add(endpoint.execute(new BasicRequestProducer(Method.POST, target, "/more-stuff", new StringAsyncEntityProducer("some more stuff", ContentType.TEXT_PLAIN)), new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null));
        while (!queue.isEmpty()) {
            final Future<Message<HttpResponse, String>> resultFuture = queue.remove();
            final Message<HttpResponse, String> message = resultFuture.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
            assertThat(message, CoreMatchers.notNullValue());
            final HttpResponse response = message.getHead();
            assertThat(response.getCode(), CoreMatchers.equalTo(HttpStatus.SC_OK));
            final String body = message.getBody();
            assertThat(body, CoreMatchers.containsString("stuff"));
        }
    } finally {
        endpoint.releaseAndReuse();
    }
}