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HttpComponents Core Source Code Files
HttpComponents Core Source Code Files are provided in the source package file, httpcomponents-core-5.2-src.zip.
You can download httpcomponents-core-5.2-src.zip as described in the previous tutorial and go to the "httpcore5/src" sub-folder to view Source Code files.
You can also browse HttpComponents Core Source Code below:
✍: FYIcenter.com
⏎ org/apache/hc/core5/reactor/AbstractSingleCoreIOReactor.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.core5.reactor; import java.io.Closeable; import java.io.IOException; import java.nio.channels.ClosedSelectorException; import java.nio.channels.SelectionKey; import java.nio.channels.Selector; import java.util.Set; import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.atomic.AtomicReference; import org.apache.hc.core5.function.Callback; import org.apache.hc.core5.io.CloseMode; import org.apache.hc.core5.io.Closer; import org.apache.hc.core5.util.Args; import org.apache.hc.core5.util.TimeValue; import org.apache.hc.core5.util.Timeout; abstract class AbstractSingleCoreIOReactor implements IOReactor { private final Callback<Exception> exceptionCallback; private final AtomicReference<IOReactorStatus> status; private final AtomicBoolean terminated; private final Object shutdownMutex; final Selector selector; AbstractSingleCoreIOReactor(final Callback<Exception> exceptionCallback) { super(); this.exceptionCallback = exceptionCallback; this.shutdownMutex = new Object(); this.status = new AtomicReference<>(IOReactorStatus.INACTIVE); this.terminated = new AtomicBoolean(); try { this.selector = Selector.open(); } catch (final IOException ex) { throw new IllegalStateException("Unexpected failure opening I/O selector", ex); } } @Override public final IOReactorStatus getStatus() { return this.status.get(); } void logException(final Exception ex) { if (exceptionCallback != null) { exceptionCallback.execute(ex); } } abstract void doExecute() throws IOException; abstract void doTerminate() throws IOException; public void execute() { if (this.status.compareAndSet(IOReactorStatus.INACTIVE, IOReactorStatus.ACTIVE)) { try { doExecute(); } catch (final ClosedSelectorException ignore) { // ignore } catch (final Exception ex) { logException(ex); } finally { try { doTerminate(); } catch (final Exception ex) { logException(ex); } finally { close(CloseMode.IMMEDIATE); } } } } @Override public final void awaitShutdown(final TimeValue waitTime) throws InterruptedException { Args.notNull(waitTime, "Wait time"); final long deadline = System.currentTimeMillis() + waitTime.toMilliseconds(); long remaining = waitTime.toMilliseconds(); synchronized (this.shutdownMutex) { while (this.status.get().compareTo(IOReactorStatus.SHUT_DOWN) < 0) { this.shutdownMutex.wait(remaining); remaining = deadline - System.currentTimeMillis(); if (remaining <= 0) { return; } } } } @Override public final void initiateShutdown() { if (this.status.compareAndSet(IOReactorStatus.INACTIVE, IOReactorStatus.SHUT_DOWN)) { synchronized (this.shutdownMutex) { this.shutdownMutex.notifyAll(); } } else if (this.status.compareAndSet(IOReactorStatus.ACTIVE, IOReactorStatus.SHUTTING_DOWN)) { this.selector.wakeup(); } } @Override public final void close(final CloseMode closeMode) { close(closeMode, Timeout.ofSeconds(5)); } /** * Shuts down the I/O reactor either gracefully or immediately. * During graceful shutdown individual I/O sessions should be * informed about imminent termination and be given a grace period * to complete the ongoing I/O sessions. During immediate shutdown * all ongoing I/O sessions get aborted immediately. * * @param closeMode How to close the IO reactor. * @param timeout How long to wait for the IO reactor to close gracefully. * @since 5.2 */ public void close(final CloseMode closeMode, final Timeout timeout) { if (closeMode == CloseMode.GRACEFUL) { initiateShutdown(); try { awaitShutdown(timeout); } catch (final InterruptedException e) { Thread.currentThread().interrupt(); } } this.status.set(IOReactorStatus.SHUT_DOWN); if (terminated.compareAndSet(false, true)) { try { final Set<SelectionKey> keys = this.selector.keys(); for (final SelectionKey key : keys) { try { Closer.close((Closeable) key.attachment()); } catch (final IOException ex) { logException(ex); } key.channel().close(); } selector.close(); } catch (final Exception ex) { logException(ex); } } synchronized (this.shutdownMutex) { this.shutdownMutex.notifyAll(); } } @Override public final void close() { close(CloseMode.GRACEFUL); } @Override public String toString() { return super.toString() + " [status=" + status + "]"; } }
⏎ org/apache/hc/core5/reactor/AbstractSingleCoreIOReactor.java
Or download all them as a single archive file:
File name: httpcore5-5.2-fyi.zip File size: 812477 bytes Release date: 2022-11-10 Download
⇒ Donwload httpcomponents-client-4.5.3-bin.zip
⇐ Download and Install HttpComponents Core Source Package
2023-03-07, 18546👍, 0💬
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