#3646: Add experimental io_uring support
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@ -51,6 +51,18 @@
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<classifier>linux-aarch_64</classifier>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>io.netty.incubator</groupId>
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<artifactId>netty-incubator-transport-native-io_uring</artifactId>
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<version>0.0.25.Final</version>
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<classifier>linux-x86_64</classifier>
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</dependency>
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<dependency>
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<groupId>io.netty.incubator</groupId>
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<artifactId>netty-incubator-transport-native-io_uring</artifactId>
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<version>0.0.25.Final</version>
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<classifier>linux-aarch_64</classifier>
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</dependency>
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<dependency>
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<groupId>net.md-5</groupId>
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<artifactId>bungeecord-api</artifactId>
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@ -24,6 +24,11 @@ import io.netty.channel.socket.nio.NioSocketChannel;
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import io.netty.channel.unix.DomainSocketAddress;
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import io.netty.handler.codec.haproxy.HAProxyMessageDecoder;
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import io.netty.handler.timeout.ReadTimeoutHandler;
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import io.netty.incubator.channel.uring.IOUring;
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import io.netty.incubator.channel.uring.IOUringDatagramChannel;
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import io.netty.incubator.channel.uring.IOUringEventLoopGroup;
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import io.netty.incubator.channel.uring.IOUringServerSocketChannel;
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import io.netty.incubator.channel.uring.IOUringSocketChannel;
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import io.netty.util.AttributeKey;
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import io.netty.util.internal.PlatformDependent;
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import java.net.SocketAddress;
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@ -102,26 +107,42 @@ public class PipelineUtils
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public static final String LEGACY_KICKER = "legacy-kick";
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private static boolean epoll;
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private static boolean io_uring;
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static
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{
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if ( !PlatformDependent.isWindows() && Boolean.parseBoolean( System.getProperty( "bungee.epoll", "true" ) ) )
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if ( !PlatformDependent.isWindows() )
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{
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ProxyServer.getInstance().getLogger().info( "Not on Windows, attempting to use enhanced EpollEventLoop" );
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// disable by default (experimental)
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if ( Boolean.parseBoolean( System.getProperty( "bungee.io_uring", "false" ) ) )
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{
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ProxyServer.getInstance().getLogger().info( "Not on Windows, attempting to use enhanced IOUringEventLoopGroup" );
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if ( io_uring = IOUring.isAvailable() )
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{
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ProxyServer.getInstance().getLogger().log( Level.WARNING, "io_uring is enabled and working, utilising it! (experimental feature)" );
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} else
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{
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ProxyServer.getInstance().getLogger().log( Level.WARNING, "io_uring is not working: {0}", Util.exception( IOUring.unavailabilityCause() ) );
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}
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}
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if ( epoll = Epoll.isAvailable() )
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if ( !io_uring && Boolean.parseBoolean( System.getProperty( "bungee.epoll", "true" ) ) )
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{
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ProxyServer.getInstance().getLogger().info( "Epoll is working, utilising it!" );
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} else
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{
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ProxyServer.getInstance().getLogger().log( Level.WARNING, "Epoll is not working, falling back to NIO: {0}", Util.exception( Epoll.unavailabilityCause() ) );
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ProxyServer.getInstance().getLogger().info( "Not on Windows, attempting to use enhanced EpollEventLoop" );
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if ( epoll = Epoll.isAvailable() )
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{
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ProxyServer.getInstance().getLogger().info( "Epoll is working, utilising it!" );
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} else
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{
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ProxyServer.getInstance().getLogger().log( Level.WARNING, "Epoll is not working, falling back to NIO: {0}", Util.exception( Epoll.unavailabilityCause() ) );
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}
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}
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}
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}
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public static EventLoopGroup newEventLoopGroup(int threads, ThreadFactory factory)
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{
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return epoll ? new EpollEventLoopGroup( threads, factory ) : new NioEventLoopGroup( threads, factory );
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return io_uring ? new IOUringEventLoopGroup( threads, factory ) : epoll ? new EpollEventLoopGroup( threads, factory ) : new NioEventLoopGroup( threads, factory );
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}
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public static Class<? extends ServerChannel> getServerChannel(SocketAddress address)
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@ -133,7 +154,7 @@ public class PipelineUtils
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return EpollServerDomainSocketChannel.class;
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}
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return epoll ? EpollServerSocketChannel.class : NioServerSocketChannel.class;
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return io_uring ? IOUringServerSocketChannel.class : epoll ? EpollServerSocketChannel.class : NioServerSocketChannel.class;
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}
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public static Class<? extends Channel> getChannel(SocketAddress address)
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@ -145,12 +166,12 @@ public class PipelineUtils
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return EpollDomainSocketChannel.class;
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}
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return epoll ? EpollSocketChannel.class : NioSocketChannel.class;
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return io_uring ? IOUringSocketChannel.class : epoll ? EpollSocketChannel.class : NioSocketChannel.class;
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}
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public static Class<? extends DatagramChannel> getDatagramChannel()
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{
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return epoll ? EpollDatagramChannel.class : NioDatagramChannel.class;
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return io_uring ? IOUringDatagramChannel.class : epoll ? EpollDatagramChannel.class : NioDatagramChannel.class;
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}
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private static final int LOW_MARK = Integer.getInteger( "net.md_5.bungee.low_mark", 2 << 18 ); // 0.5 mb
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