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HttpComponents Client Source Code Files
HttpComponents Client Source Code Files are provided in the source package file, httpcomponents-client-5.2-src.zip.
You can download httpcomponents-client-5.2-src.zip as described in the previous tutorial and go to the "httpclient5/src" sub-folder to view Source Code files.
You can also browse HttpComponents Client Source Code below:
✍: FYIcenter.com
⏎ org/apache/hc/client5/http/impl/nio/MultihomeIOSessionRequester.java
/* * ==================================================================== * 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.nio; import java.io.IOException; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.SocketAddress; import java.net.UnknownHostException; import java.util.Arrays; import java.util.concurrent.Future; import java.util.concurrent.atomic.AtomicInteger; import org.apache.hc.client5.http.ConnectExceptionSupport; import org.apache.hc.client5.http.DnsResolver; import org.apache.hc.client5.http.SystemDefaultDnsResolver; import org.apache.hc.core5.concurrent.ComplexFuture; import org.apache.hc.core5.concurrent.FutureCallback; import org.apache.hc.core5.net.NamedEndpoint; import org.apache.hc.core5.reactor.ConnectionInitiator; import org.apache.hc.core5.reactor.IOSession; import org.apache.hc.core5.util.Timeout; import org.slf4j.Logger; import org.slf4j.LoggerFactory; final class MultihomeIOSessionRequester { private static final Logger LOG = LoggerFactory.getLogger(MultihomeIOSessionRequester.class); private final DnsResolver dnsResolver; MultihomeIOSessionRequester(final DnsResolver dnsResolver) { this.dnsResolver = dnsResolver != null ? dnsResolver : SystemDefaultDnsResolver.INSTANCE; } public Future<IOSession> connect( final ConnectionInitiator connectionInitiator, final NamedEndpoint remoteEndpoint, final SocketAddress remoteAddress, final SocketAddress localAddress, final Timeout connectTimeout, final Object attachment, final FutureCallback<IOSession> callback) { final ComplexFuture<IOSession> future = new ComplexFuture<>(callback); if (remoteAddress != null) { if (LOG.isDebugEnabled()) { LOG.debug("{}:{} connecting {} to {} ({})", remoteEndpoint.getHostName(), remoteEndpoint.getPort(), localAddress, remoteAddress, connectTimeout); } final Future<IOSession> sessionFuture = connectionInitiator.connect(remoteEndpoint, remoteAddress, localAddress, connectTimeout, attachment, new FutureCallback<IOSession>() { @Override public void completed(final IOSession session) { future.completed(session); } @Override public void failed(final Exception cause) { if (LOG.isDebugEnabled()) { LOG.debug("{}:{} connection to {} failed ({}); terminating operation", remoteEndpoint.getHostName(), remoteEndpoint.getPort(), remoteAddress, cause.getClass()); } if (cause instanceof IOException) { future.failed(ConnectExceptionSupport.enhance((IOException) cause, remoteEndpoint, (remoteAddress instanceof InetSocketAddress) ? new InetAddress[] { ((InetSocketAddress) remoteAddress).getAddress() } : new InetAddress[] {})); } else { future.failed(cause); } } @Override public void cancelled() { future.cancel(); } }); future.setDependency(sessionFuture); return future; } if (LOG.isDebugEnabled()) { LOG.debug("{} resolving remote address", remoteEndpoint.getHostName()); } final InetAddress[] remoteAddresses; try { remoteAddresses = dnsResolver.resolve(remoteEndpoint.getHostName()); } catch (final UnknownHostException ex) { future.failed(ex); return future; } if (LOG.isDebugEnabled()) { LOG.debug("{} resolved to {}", remoteEndpoint.getHostName(), Arrays.asList(remoteAddresses)); } final Runnable runnable = new Runnable() { private final AtomicInteger attempt = new AtomicInteger(0); void executeNext() { final int index = attempt.getAndIncrement(); final InetSocketAddress remoteAddress = new InetSocketAddress(remoteAddresses[index], remoteEndpoint.getPort()); if (LOG.isDebugEnabled()) { LOG.debug("{}:{} connecting {}->{} ({})", remoteEndpoint.getHostName(), remoteEndpoint.getPort(), localAddress, remoteAddress, connectTimeout); } final Future<IOSession> sessionFuture = connectionInitiator.connect( remoteEndpoint, remoteAddress, localAddress, connectTimeout, attachment, new FutureCallback<IOSession>() { @Override public void completed(final IOSession session) { if (LOG.isDebugEnabled()) { LOG.debug("{}:{} connected {}->{} as {}", remoteEndpoint.getHostName(), remoteEndpoint.getPort(), localAddress, remoteAddress, session.getId()); } future.completed(session); } @Override public void failed(final Exception cause) { if (attempt.get() >= remoteAddresses.length) { if (LOG.isDebugEnabled()) { LOG.debug("{}:{} connection to {} failed ({}); terminating operation", remoteEndpoint.getHostName(), remoteEndpoint.getPort(), remoteAddress, cause.getClass()); } if (cause instanceof IOException) { future.failed(ConnectExceptionSupport.enhance((IOException) cause, remoteEndpoint, remoteAddresses)); } else { future.failed(cause); } } else { if (LOG.isDebugEnabled()) { LOG.debug("{}:{} connection to {} failed ({}); retrying connection to the next address", remoteEndpoint.getHostName(), remoteEndpoint.getPort(), remoteAddress, cause.getClass()); } executeNext(); } } @Override public void cancelled() { future.cancel(); } }); future.setDependency(sessionFuture); } @Override public void run() { executeNext(); } }; runnable.run(); return future; } public Future<IOSession> connect( final ConnectionInitiator connectionInitiator, final NamedEndpoint remoteEndpoint, final SocketAddress localAddress, final Timeout connectTimeout, final Object attachment, final FutureCallback<IOSession> callback) { return connect(connectionInitiator, remoteEndpoint, null, localAddress, connectTimeout, attachment, callback); } }
⏎ org/apache/hc/client5/http/impl/nio/MultihomeIOSessionRequester.java
Or download all them as a single archive file:
File name: httpclient5-5.2-fyi.zip File size: 625318 bytes Release date: 2022-11-10 Download
⇒ Download and Install HttpComponents Core Binary Package
⇐ Download and Install HttpComponents Client Source Package
2023-03-26, 14077👍, 1💬
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