NioIoHandler.java — netty Source File

Source Code

/*
 * Copyright 2024 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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.
 */
package io.netty.channel.nio;

import io.netty.channel.ChannelException;
import io.netty.channel.DefaultSelectStrategyFactory;
import io.netty.channel.IoHandlerContext;
import io.netty.channel.IoHandle;
import io.netty.channel.IoHandler;
import io.netty.channel.IoHandlerFactory;
import io.netty.channel.IoOps;
import io.netty.channel.IoRegistration;
import io.netty.channel.SelectStrategy;
import io.netty.channel.SelectStrategyFactory;
import io.netty.util.IntSupplier;
import io.netty.util.concurrent.ThreadAwareExecutor;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.PlatformDependent;
import io.netty.util.internal.ReflectionUtil;
import io.netty.util.internal.StringUtil;
import io.netty.util.internal.SystemPropertyUtil;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

import java.io.IOException;
import java.lang.reflect.Field;
import java.nio.channels.CancelledKeyException;
import java.nio.channels.Selector;
import java.nio.channels.SelectionKey;

import java.nio.channels.spi.SelectorProvider;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;

/**
 * {@link IoHandler} implementation which register the {@link IoHandle}'s to a {@link Selector}.
 */
public final class NioIoHandler implements IoHandler {

    private static final InternalLogger logger = InternalLoggerFactory.getInstance(NioIoHandler.class);

// ... (754 more lines)