DefaultChannelConfig.java — netty Source File

Source Code

/*
 * Copyright 2012 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;

import io.netty.buffer.ByteBufAllocator;
import io.netty.util.internal.ObjectUtil;

import java.util.IdentityHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;

import static io.netty.channel.ChannelOption.ALLOCATOR;
import static io.netty.channel.ChannelOption.AUTO_CLOSE;
import static io.netty.channel.ChannelOption.AUTO_READ;
import static io.netty.channel.ChannelOption.CONNECT_TIMEOUT_MILLIS;
import static io.netty.channel.ChannelOption.MAX_MESSAGES_PER_READ;
import static io.netty.channel.ChannelOption.MAX_MESSAGES_PER_WRITE;
import static io.netty.channel.ChannelOption.MESSAGE_SIZE_ESTIMATOR;
import static io.netty.channel.ChannelOption.RECVBUF_ALLOCATOR;
import static io.netty.channel.ChannelOption.SINGLE_EVENTEXECUTOR_PER_GROUP;
import static io.netty.channel.ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK;
import static io.netty.channel.ChannelOption.WRITE_BUFFER_LOW_WATER_MARK;
import static io.netty.channel.ChannelOption.WRITE_BUFFER_WATER_MARK;
import static io.netty.channel.ChannelOption.WRITE_SPIN_COUNT;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static io.netty.util.internal.ObjectUtil.checkPositive;
import static io.netty.util.internal.ObjectUtil.checkPositiveOrZero;

/**
 * The default {@link ChannelConfig} implementation.
 */
public class DefaultChannelConfig implements ChannelConfig {
    private static final MessageSizeEstimator DEFAULT_MSG_SIZE_ESTIMATOR = DefaultMessageSizeEstimator.DEFAULT;

    private static final int DEFAULT_CONNECT_TIMEOUT = 30000;

    private static final AtomicIntegerFieldUpdater<DefaultChannelConfig> AUTOREAD_UPDATER =
            AtomicIntegerFieldUpdater.newUpdater(DefaultChannelConfig.class, "autoRead");
    private static final AtomicReferenceFieldUpdater<DefaultChannelConfig, WriteBufferWaterMark> WATERMARK_UPDATER =
            AtomicReferenceFieldUpdater.newUpdater(
                    DefaultChannelConfig.class, WriteBufferWaterMark.class, "writeBufferWaterMark");

    protected final Channel channel;

    private volatile ByteBufAllocator allocator = ByteBufAllocator.DEFAULT;
// ... (383 more lines)