EpollSocketChannelConfig.java — netty Source File

Source Code

/*
 * Copyright 2014 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.epoll;

import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelOption;
import io.netty.channel.MessageSizeEstimator;
import io.netty.channel.RecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.socket.SocketChannelConfig;
import io.netty.util.internal.PlatformDependent;

import java.io.IOException;
import java.net.InetAddress;
import java.util.Map;

import static io.netty.channel.ChannelOption.ALLOW_HALF_CLOSURE;
import static io.netty.channel.ChannelOption.IP_TOS;
import static io.netty.channel.ChannelOption.SO_KEEPALIVE;
import static io.netty.channel.ChannelOption.SO_LINGER;
import static io.netty.channel.ChannelOption.SO_RCVBUF;
import static io.netty.channel.ChannelOption.SO_REUSEADDR;
import static io.netty.channel.ChannelOption.SO_SNDBUF;
import static io.netty.channel.ChannelOption.TCP_NODELAY;

public final class EpollSocketChannelConfig extends EpollChannelConfig implements SocketChannelConfig {
    private volatile boolean allowHalfClosure;
    private volatile boolean tcpFastopen;

    /**
     * Creates a new instance.
     */
    EpollSocketChannelConfig(EpollSocketChannel channel) {
        super(channel);

        if (PlatformDependent.canEnableTcpNoDelayByDefault()) {
            setTcpNoDelay(true);
        }
        calculateMaxBytesPerGatheringWrite();
    }

    @Override
    public Map<ChannelOption<?>, Object> getOptions() {
        return getOptions(
                super.getOptions(),
                SO_RCVBUF, SO_SNDBUF, TCP_NODELAY, SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, IP_TOS,
// ... (638 more lines)