IoUringDomainSocketChannel.java — netty Source File

Source Code

/*
 * Copyright 2025 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.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelOutboundBuffer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
import io.netty.channel.IoRegistration;
import io.netty.channel.unix.DomainSocketAddress;
import io.netty.channel.unix.DomainSocketChannel;
import io.netty.channel.unix.DomainSocketChannelConfig;
import io.netty.channel.unix.DomainSocketReadMode;
import io.netty.channel.unix.Errors;
import io.netty.channel.unix.FileDescriptor;
import io.netty.channel.unix.PeerCredentials;

import java.io.IOException;
import java.net.SocketAddress;

/**
 * {@link DomainSocketChannel} implementation that uses linux io_uring
 */
public final class IoUringDomainSocketChannel extends AbstractIoUringStreamChannel implements DomainSocketChannel {

    private final IoUringDomainSocketChannelConfig config;

    private volatile DomainSocketAddress local;
    private volatile DomainSocketAddress remote;

    public IoUringDomainSocketChannel() {
        super(null, LinuxSocket.newSocketDomain(), false);
        config = new IoUringDomainSocketChannelConfig(this);
    }

    IoUringDomainSocketChannel(Channel parent, FileDescriptor fd) {
        this(parent, new LinuxSocket(fd.intValue()));
    }

    IoUringDomainSocketChannel(Channel parent, LinuxSocket fd) {
        super(parent, fd, true);
        local = fd.localDomainSocketAddress();
        remote = fd.remoteDomainSocketAddress();
        config = new IoUringDomainSocketChannelConfig(this);
    }
// ... (208 more lines)