| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.client5.http.impl.async; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.ThreadFactory; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.hc.client5.http.HttpRoute; |
| import org.apache.hc.client5.http.async.AsyncExecCallback; |
| import org.apache.hc.client5.http.async.AsyncExecChain; |
| import org.apache.hc.client5.http.async.AsyncExecRuntime; |
| import org.apache.hc.client5.http.auth.AuthSchemeProvider; |
| import org.apache.hc.client5.http.auth.CredentialsProvider; |
| import org.apache.hc.client5.http.config.Configurable; |
| import org.apache.hc.client5.http.config.RequestConfig; |
| import org.apache.hc.client5.http.cookie.CookieSpecProvider; |
| import org.apache.hc.client5.http.cookie.CookieStore; |
| import org.apache.hc.client5.http.impl.ExecSupport; |
| import org.apache.hc.client5.http.impl.RequestCopier; |
| import org.apache.hc.client5.http.protocol.HttpClientContext; |
| import org.apache.hc.core5.concurrent.ComplexFuture; |
| import org.apache.hc.core5.concurrent.FutureCallback; |
| import org.apache.hc.core5.http.EntityDetails; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.HttpRequest; |
| import org.apache.hc.core5.http.HttpResponse; |
| import org.apache.hc.core5.http.HttpStatus; |
| import org.apache.hc.core5.http.config.Lookup; |
| import org.apache.hc.core5.http.nio.AsyncDataConsumer; |
| import org.apache.hc.core5.http.nio.AsyncEntityProducer; |
| import org.apache.hc.core5.http.nio.AsyncPushConsumer; |
| import org.apache.hc.core5.http.nio.AsyncRequestProducer; |
| import org.apache.hc.core5.http.nio.AsyncResponseConsumer; |
| import org.apache.hc.core5.http.nio.DataStreamChannel; |
| import org.apache.hc.core5.http.nio.HandlerFactory; |
| import org.apache.hc.core5.http.nio.RequestChannel; |
| import org.apache.hc.core5.http.protocol.HttpContext; |
| import org.apache.hc.core5.io.CloseMode; |
| import org.apache.hc.core5.io.ModalCloseable; |
| import org.apache.hc.core5.reactor.DefaultConnectingIOReactor; |
| |
| abstract class InternalAbstractHttpAsyncClient extends AbstractHttpAsyncClientBase { |
| |
| private final AsyncExecChainElement execChain; |
| private final Lookup<CookieSpecProvider> cookieSpecRegistry; |
| private final Lookup<AuthSchemeProvider> authSchemeRegistry; |
| private final CookieStore cookieStore; |
| private final CredentialsProvider credentialsProvider; |
| private final RequestConfig defaultConfig; |
| private final ConcurrentLinkedQueue<Closeable> closeables; |
| |
| InternalAbstractHttpAsyncClient( |
| final DefaultConnectingIOReactor ioReactor, |
| final AsyncPushConsumerRegistry pushConsumerRegistry, |
| final ThreadFactory threadFactory, |
| final AsyncExecChainElement execChain, |
| final Lookup<CookieSpecProvider> cookieSpecRegistry, |
| final Lookup<AuthSchemeProvider> authSchemeRegistry, |
| final CookieStore cookieStore, |
| final CredentialsProvider credentialsProvider, |
| final RequestConfig defaultConfig, |
| final List<Closeable> closeables) { |
| super(ioReactor, pushConsumerRegistry, threadFactory); |
| this.execChain = execChain; |
| this.cookieSpecRegistry = cookieSpecRegistry; |
| this.authSchemeRegistry = authSchemeRegistry; |
| this.cookieStore = cookieStore; |
| this.credentialsProvider = credentialsProvider; |
| this.defaultConfig = defaultConfig; |
| this.closeables = closeables != null ? new ConcurrentLinkedQueue<>(closeables) : null; |
| } |
| |
| @Override |
| void internalClose(final CloseMode closeMode) { |
| if (this.closeables != null) { |
| Closeable closeable; |
| while ((closeable = this.closeables.poll()) != null) { |
| try { |
| if (closeable instanceof ModalCloseable) { |
| ((ModalCloseable) closeable).close(closeMode); |
| } else { |
| closeable.close(); |
| } |
| } catch (final IOException ex) { |
| this.log.error(ex.getMessage(), ex); |
| } |
| } |
| } |
| } |
| |
| private void setupContext(final HttpClientContext context) { |
| if (context.getAttribute(HttpClientContext.AUTHSCHEME_REGISTRY) == null) { |
| context.setAttribute(HttpClientContext.AUTHSCHEME_REGISTRY, authSchemeRegistry); |
| } |
| if (context.getAttribute(HttpClientContext.COOKIESPEC_REGISTRY) == null) { |
| context.setAttribute(HttpClientContext.COOKIESPEC_REGISTRY, cookieSpecRegistry); |
| } |
| if (context.getAttribute(HttpClientContext.COOKIE_STORE) == null) { |
| context.setAttribute(HttpClientContext.COOKIE_STORE, cookieStore); |
| } |
| if (context.getAttribute(HttpClientContext.CREDS_PROVIDER) == null) { |
| context.setAttribute(HttpClientContext.CREDS_PROVIDER, credentialsProvider); |
| } |
| if (context.getAttribute(HttpClientContext.REQUEST_CONFIG) == null) { |
| context.setAttribute(HttpClientContext.REQUEST_CONFIG, defaultConfig); |
| } |
| } |
| |
| abstract AsyncExecRuntime crerateAsyncExecRuntime(HandlerFactory<AsyncPushConsumer> pushHandlerFactory); |
| |
| abstract HttpRoute determineRoute(HttpRequest request, HttpClientContext clientContext) throws HttpException; |
| |
| @Override |
| public <T> Future<T> execute( |
| final AsyncRequestProducer requestProducer, |
| final AsyncResponseConsumer<T> responseConsumer, |
| final HandlerFactory<AsyncPushConsumer> pushHandlerFactory, |
| final HttpContext context, |
| final FutureCallback<T> callback) { |
| ensureRunning(); |
| final ComplexFuture<T> future = new ComplexFuture<>(callback); |
| try { |
| final HttpClientContext clientContext = HttpClientContext.adapt(context); |
| requestProducer.sendRequest(new RequestChannel() { |
| |
| @Override |
| public void sendRequest( |
| final HttpRequest request, |
| final EntityDetails entityDetails, |
| final HttpContext context) throws HttpException, IOException { |
| |
| RequestConfig requestConfig = null; |
| if (request instanceof Configurable) { |
| requestConfig = ((Configurable) request).getConfig(); |
| } |
| if (requestConfig != null) { |
| clientContext.setRequestConfig(requestConfig); |
| } |
| final HttpRoute route = determineRoute(request, clientContext); |
| final String exchangeId = ExecSupport.getNextExchangeId(); |
| if (log.isDebugEnabled()) { |
| log.debug(exchangeId + ": preparing request execution"); |
| } |
| final AsyncExecRuntime execRuntime = crerateAsyncExecRuntime(pushHandlerFactory); |
| |
| setupContext(clientContext); |
| |
| final AsyncExecChain.Scope scope = new AsyncExecChain.Scope(exchangeId, route, request, future, |
| clientContext, execRuntime); |
| final AtomicBoolean outputTerminated = new AtomicBoolean(false); |
| execChain.execute( |
| RequestCopier.INSTANCE.copy(request), |
| entityDetails != null ? new AsyncEntityProducer() { |
| |
| @Override |
| public void releaseResources() { |
| requestProducer.releaseResources(); |
| } |
| |
| @Override |
| public void failed(final Exception cause) { |
| requestProducer.failed(cause); |
| } |
| |
| @Override |
| public boolean isRepeatable() { |
| return requestProducer.isRepeatable(); |
| } |
| |
| @Override |
| public long getContentLength() { |
| return entityDetails.getContentLength(); |
| } |
| |
| @Override |
| public String getContentType() { |
| return entityDetails.getContentType(); |
| } |
| |
| @Override |
| public String getContentEncoding() { |
| return entityDetails.getContentEncoding(); |
| } |
| |
| @Override |
| public boolean isChunked() { |
| return entityDetails.isChunked(); |
| } |
| |
| @Override |
| public Set<String> getTrailerNames() { |
| return entityDetails.getTrailerNames(); |
| } |
| |
| @Override |
| public int available() { |
| return requestProducer.available(); |
| } |
| |
| @Override |
| public void produce(final DataStreamChannel channel) throws IOException { |
| if (outputTerminated.get()) { |
| channel.endStream(); |
| return; |
| } |
| requestProducer.produce(channel); |
| } |
| |
| } : null, |
| scope, |
| new AsyncExecCallback() { |
| |
| @Override |
| public AsyncDataConsumer handleResponse( |
| final HttpResponse response, |
| final EntityDetails entityDetails) throws HttpException, IOException { |
| if (response.getCode() >= HttpStatus.SC_CLIENT_ERROR) { |
| outputTerminated.set(true); |
| requestProducer.releaseResources(); |
| } |
| responseConsumer.consumeResponse(response, entityDetails, context, |
| new FutureCallback<T>() { |
| |
| @Override |
| public void completed(final T result) { |
| future.completed(result); |
| } |
| |
| @Override |
| public void failed(final Exception ex) { |
| future.failed(ex); |
| } |
| |
| @Override |
| public void cancelled() { |
| future.cancel(); |
| } |
| |
| }); |
| return responseConsumer; |
| } |
| |
| @Override |
| public void handleInformationResponse( |
| final HttpResponse response) throws HttpException, IOException { |
| responseConsumer.informationResponse(response, context); |
| } |
| |
| @Override |
| public void completed() { |
| if (log.isDebugEnabled()) { |
| log.debug(exchangeId + ": message exchange successfully completed"); |
| } |
| try { |
| execRuntime.releaseEndpoint(); |
| } finally { |
| responseConsumer.releaseResources(); |
| requestProducer.releaseResources(); |
| } |
| } |
| |
| @Override |
| public void failed(final Exception cause) { |
| if (log.isDebugEnabled()) { |
| log.debug(exchangeId + ": request failed: " + cause.getMessage()); |
| } |
| try { |
| execRuntime.discardEndpoint(); |
| responseConsumer.failed(cause); |
| } finally { |
| try { |
| future.failed(cause); |
| } finally { |
| responseConsumer.releaseResources(); |
| requestProducer.releaseResources(); |
| } |
| } |
| } |
| |
| }); |
| } |
| |
| }, context); |
| } catch (final HttpException | IOException ex) { |
| future.failed(ex); |
| } |
| return future; |
| } |
| |
| } |
