IoUringServerSocketChannelConfig.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.uring;

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.ServerChannelRecvByteBufAllocator;
import io.netty.channel.WriteBufferWaterMark;
import io.netty.channel.socket.ServerSocketChannelConfig;
import io.netty.util.NetUtil;

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

import static io.netty.channel.ChannelOption.TCP_FASTOPEN;
import static io.netty.util.internal.ObjectUtil.checkPositiveOrZero;

final class IoUringServerSocketChannelConfig extends IoUringChannelConfig implements ServerSocketChannelConfig {
    private volatile int backlog = NetUtil.SOMAXCONN;
    private volatile int pendingFastOpenRequestsThreshold;

    IoUringServerSocketChannelConfig(AbstractIoUringServerChannel channel) {
        super(channel, new ServerChannelRecvByteBufAllocator());
        setReuseAddress(true);
    }

    @Override
    public Map<ChannelOption<?>, Object> getOptions() {
        return getOptions(super.getOptions(), ChannelOption.SO_RCVBUF, ChannelOption.SO_REUSEADDR,
                ChannelOption.SO_BACKLOG, IoUringChannelOption.SO_REUSEPORT, IoUringChannelOption.IP_FREEBIND,
                IoUringChannelOption.IP_TRANSPARENT, IoUringChannelOption.TCP_DEFER_ACCEPT, ChannelOption.TCP_FASTOPEN);
    }

    @SuppressWarnings("unchecked")
    @Override
    public <T> T getOption(ChannelOption<T> option) {
        if (option == ChannelOption.SO_RCVBUF) {
            return (T) Integer.valueOf(getReceiveBufferSize());
        }
        if (option == ChannelOption.SO_REUSEADDR) {
            return (T) Boolean.valueOf(isReuseAddress());
        }
        if (option == ChannelOption.SO_BACKLOG) {
            return (T) Integer.valueOf(getBacklog());
// ... (289 more lines)