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Support IO_URING transport. Fixes eclipse-vertx#4163
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156 changes: 156 additions & 0 deletions
156
src/main/java/io/vertx/core/net/impl/transport/IOUringTransport.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| /* | ||
| * Copyright (c) 2011-2019 Contributors to the Eclipse Foundation | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 | ||
| * which is available at https://www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 | ||
| */ | ||
| package io.vertx.core.net.impl.transport; | ||
|
|
||
| import java.net.SocketAddress; | ||
| import java.util.concurrent.ThreadFactory; | ||
|
|
||
| import io.netty.bootstrap.Bootstrap; | ||
| import io.netty.bootstrap.ServerBootstrap; | ||
| import io.netty.channel.Channel; | ||
| import io.netty.channel.ChannelFactory; | ||
| import io.netty.channel.EventLoopGroup; | ||
| import io.netty.channel.ServerChannel; | ||
| import io.netty.channel.socket.DatagramChannel; | ||
| import io.netty.channel.socket.InternetProtocolFamily; | ||
| import io.netty.channel.unix.DomainSocketAddress; | ||
| import io.netty.incubator.channel.uring.IOUring; | ||
| import io.netty.incubator.channel.uring.IOUringChannelOption; | ||
| import io.netty.incubator.channel.uring.IOUringDatagramChannel; | ||
| import io.netty.incubator.channel.uring.IOUringEventLoopGroup; | ||
| import io.netty.incubator.channel.uring.IOUringServerSocketChannel; | ||
| import io.netty.incubator.channel.uring.IOUringSocketChannel; | ||
| import io.vertx.core.datagram.DatagramSocketOptions; | ||
| import io.vertx.core.net.ClientOptionsBase; | ||
| import io.vertx.core.net.NetServerOptions; | ||
| import io.vertx.core.net.impl.SocketAddressImpl; | ||
|
|
||
| public class IOUringTransport extends Transport { | ||
|
|
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| private static volatile int pendingFastOpenRequestsThreshold = 256; | ||
|
|
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| /** | ||
| * Return the number of of pending TFO connections in SYN-RCVD state for TCP_FASTOPEN. | ||
| * <p> | ||
| * {@see #setPendingFastOpenRequestsThreshold} | ||
| */ | ||
| public static int getPendingFastOpenRequestsThreshold() { | ||
| return pendingFastOpenRequestsThreshold; | ||
| } | ||
|
|
||
| /** | ||
| * Set the number of of pending TFO connections in SYN-RCVD state for TCP_FASTOPEN | ||
| * <p/> | ||
| * If this value goes over a certain limit the server disables all TFO connections. | ||
| */ | ||
| public static void setPendingFastOpenRequestsThreshold(int value) { | ||
| if (value < 0) { | ||
| throw new IllegalArgumentException("Invalid " + value); | ||
| } | ||
| pendingFastOpenRequestsThreshold = value; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean supportFileRegion() { | ||
| return false; | ||
| } | ||
|
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||
| @Override | ||
| public SocketAddress convert(io.vertx.core.net.SocketAddress address) { | ||
| if (address.isDomainSocket()) { | ||
| throw new IllegalArgumentException("Domain socket not supported by IOUring transport"); | ||
| } | ||
| return super.convert(address); | ||
| } | ||
|
|
||
| @Override | ||
| public io.vertx.core.net.SocketAddress convert(SocketAddress address) { | ||
| if (address instanceof DomainSocketAddress) { | ||
| return new SocketAddressImpl(((DomainSocketAddress) address).path()); | ||
| } | ||
| return super.convert(address); | ||
| } | ||
|
|
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| @Override | ||
| public boolean isAvailable() { | ||
| return IOUring.isAvailable(); | ||
| } | ||
|
|
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| @Override | ||
| public Throwable unavailabilityCause() { | ||
| return IOUring.unavailabilityCause(); | ||
| } | ||
|
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| @Override | ||
| public EventLoopGroup eventLoopGroup(int type, int nThreads, ThreadFactory threadFactory, int ignoredIoRatio) { | ||
| IOUringEventLoopGroup eventLoopGroup = new IOUringEventLoopGroup(nThreads, threadFactory); | ||
| return eventLoopGroup; | ||
| } | ||
|
|
||
| @Override | ||
| public DatagramChannel datagramChannel() { | ||
| return new IOUringDatagramChannel(); | ||
| } | ||
|
|
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| @Override | ||
| public DatagramChannel datagramChannel(InternetProtocolFamily family) { | ||
| return new IOUringDatagramChannel(); | ||
| } | ||
|
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| @Override | ||
| public ChannelFactory<? extends Channel> channelFactory(boolean domainSocket) { | ||
| if (domainSocket) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| return IOUringSocketChannel::new; | ||
| } | ||
|
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| @Override | ||
| public ChannelFactory<? extends ServerChannel> serverChannelFactory(boolean domainSocket) { | ||
| if (domainSocket) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| return IOUringServerSocketChannel::new; | ||
| } | ||
|
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| @Override | ||
| public void configure(DatagramChannel channel, DatagramSocketOptions options) { | ||
| channel.config().setOption(IOUringChannelOption.SO_REUSEPORT, options.isReusePort()); | ||
| super.configure(channel, options); | ||
| } | ||
|
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| @Override | ||
| public void configure(NetServerOptions options, boolean domainSocket, ServerBootstrap bootstrap) { | ||
| if (domainSocket) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| bootstrap.option(IOUringChannelOption.SO_REUSEPORT, options.isReusePort()); | ||
| if (options.isTcpFastOpen()) { | ||
| bootstrap.option(IOUringChannelOption.TCP_FASTOPEN, options.isTcpFastOpen() ? pendingFastOpenRequestsThreshold : 0); | ||
| } | ||
| bootstrap.childOption(IOUringChannelOption.TCP_QUICKACK, options.isTcpQuickAck()); | ||
| bootstrap.childOption(IOUringChannelOption.TCP_CORK, options.isTcpCork()); | ||
| super.configure(options, false, bootstrap); | ||
| } | ||
|
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||
| @Override | ||
| public void configure(ClientOptionsBase options, boolean domainSocket, Bootstrap bootstrap) { | ||
| if (domainSocket) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| if (options.isTcpFastOpen()) { | ||
| bootstrap.option(IOUringChannelOption.TCP_FASTOPEN_CONNECT, options.isTcpFastOpen()); | ||
| } | ||
| bootstrap.option(IOUringChannelOption.TCP_QUICKACK, options.isTcpQuickAck()); | ||
| bootstrap.option(IOUringChannelOption.TCP_CORK, options.isTcpCork()); | ||
| super.configure(options, false, bootstrap); | ||
| } | ||
| } |
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