use of org.apache.hc.core5.http2.impl.nio.H2StreamListener 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();
}
use of org.apache.hc.core5.http2.impl.nio.H2StreamListener 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();
}
use of org.apache.hc.core5.http2.impl.nio.H2StreamListener in project httpcomponents-core by apache.
the class H2ServerBootstrap method create.
public HttpAsyncServer create() {
final String actualCanonicalHostName = canonicalHostName != null ? canonicalHostName : InetAddressUtils.getCanonicalLocalHostName();
final RequestHandlerRegistry<Supplier<AsyncServerExchangeHandler>> registry = new RequestHandlerRegistry<>(actualCanonicalHostName, () -> lookupRegistry != null ? lookupRegistry : UriPatternType.newMatcher(UriPatternType.URI_PATTERN));
for (final HandlerEntry<Supplier<AsyncServerExchangeHandler>> entry : handlerList) {
registry.register(entry.hostname, entry.uriPattern, entry.handler);
}
final HandlerFactory<AsyncServerExchangeHandler> handlerFactory;
if (!filters.isEmpty()) {
final NamedElementChain<AsyncFilterHandler> filterChainDefinition = new NamedElementChain<>();
filterChainDefinition.addLast(new TerminalAsyncServerFilter(new DefaultAsyncResponseExchangeHandlerFactory(registry)), StandardFilter.MAIN_HANDLER.name());
filterChainDefinition.addFirst(new AsyncServerExpectationFilter(), StandardFilter.EXPECT_CONTINUE.name());
for (final FilterEntry<AsyncFilterHandler> entry : filters) {
switch(entry.position) {
case AFTER:
filterChainDefinition.addAfter(entry.existing, entry.filterHandler, entry.name);
break;
case BEFORE:
filterChainDefinition.addBefore(entry.existing, entry.filterHandler, entry.name);
break;
case REPLACE:
filterChainDefinition.replace(entry.existing, entry.filterHandler);
break;
case FIRST:
filterChainDefinition.addFirst(entry.filterHandler, entry.name);
break;
case LAST:
// Don't add last, after TerminalAsyncServerFilter, as that does not delegate to the chain
// Instead, add the filter just before it, making it effectively the last filter
filterChainDefinition.addBefore(StandardFilter.MAIN_HANDLER.name(), entry.filterHandler, entry.name);
break;
}
}
NamedElementChain<AsyncFilterHandler>.Node current = filterChainDefinition.getLast();
AsyncServerFilterChainElement execChain = null;
while (current != null) {
execChain = new AsyncServerFilterChainElement(current.getValue(), execChain);
current = current.getPrevious();
}
handlerFactory = new AsyncServerFilterChainExchangeHandlerFactory(execChain, exceptionCallback);
} else {
handlerFactory = new DefaultAsyncResponseExchangeHandlerFactory(registry, handler -> new BasicAsyncServerExpectationDecorator(handler, exceptionCallback));
}
final ServerH2StreamMultiplexerFactory http2StreamHandlerFactory = new ServerH2StreamMultiplexerFactory(httpProcessor != null ? httpProcessor : H2Processors.server(), handlerFactory, h2Config != null ? h2Config : H2Config.DEFAULT, charCodingConfig != null ? charCodingConfig : CharCodingConfig.DEFAULT, h2StreamListener);
final TlsStrategy actualTlsStrategy = tlsStrategy != null ? tlsStrategy : new H2ServerTlsStrategy();
final ServerHttp1StreamDuplexerFactory http1StreamHandlerFactory = new ServerHttp1StreamDuplexerFactory(httpProcessor != null ? httpProcessor : HttpProcessors.server(), handlerFactory, http1Config != null ? http1Config : Http1Config.DEFAULT, charCodingConfig != null ? charCodingConfig : CharCodingConfig.DEFAULT, DefaultConnectionReuseStrategy.INSTANCE, DefaultHttpRequestParserFactory.INSTANCE, DefaultHttpResponseWriterFactory.INSTANCE, DefaultContentLengthStrategy.INSTANCE, DefaultContentLengthStrategy.INSTANCE, http1StreamListener);
final IOEventHandlerFactory ioEventHandlerFactory = new ServerHttpProtocolNegotiationStarter(http1StreamHandlerFactory, http2StreamHandlerFactory, versionPolicy != null ? versionPolicy : HttpVersionPolicy.NEGOTIATE, actualTlsStrategy, handshakeTimeout);
return new HttpAsyncServer(ioEventHandlerFactory, ioReactorConfig, ioSessionDecorator, exceptionCallback, sessionListener, actualCanonicalHostName);
}
use of org.apache.hc.core5.http2.impl.nio.H2StreamListener 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();
}
use of org.apache.hc.core5.http2.impl.nio.H2StreamListener 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));
}
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