AbstractIoUringStreamChannel.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.ByteBuf;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelMetadata;
import io.netty.channel.ChannelOutboundBuffer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPromise;
import io.netty.channel.DefaultFileRegion;
import io.netty.channel.EventLoop;
import io.netty.channel.IoRegistration;
import io.netty.channel.socket.DuplexChannel;
import io.netty.channel.unix.IovArray;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;

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

import static io.netty.channel.unix.Errors.ioResult;

abstract class AbstractIoUringStreamChannel extends AbstractIoUringChannel implements DuplexChannel {
    private static final InternalLogger logger = InternalLoggerFactory.getInstance(AbstractIoUringStreamChannel.class);
    private static final ChannelMetadata METADATA = new ChannelMetadata(false, 16);

    // Store the opCode so we know if we used WRITE or WRITEV.
    byte writeOpCode;
    // Keep track of the ids used for write and read so we can cancel these when needed.
    long writeId;
    byte readOpCode;
    long readId;

    // The configured buffer ring if any
    private IoUringBufferRing bufferRing;

    AbstractIoUringStreamChannel(Channel parent, LinuxSocket socket, boolean active) {
        super(parent, socket, active);
    }

    AbstractIoUringStreamChannel(Channel parent, LinuxSocket socket, SocketAddress remote) {
        super(parent, socket, remote);
    }

// ... (600 more lines)