Mirror von
https://github.com/PaperMC/Velocity.git
synchronisiert 2024-12-23 23:00:35 +01:00
Extract channel initialiser and transport type out
Dieser Commit ist enthalten in:
kashike
Ursprung
f10a3fa1ac
Commit
46a7b52a13
@ -1,60 +1,43 @@
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package com.velocitypowered.proxy.network;
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import com.google.common.util.concurrent.ThreadFactoryBuilder;
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import com.velocitypowered.natives.util.Natives;
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import com.velocitypowered.proxy.VelocityServer;
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import com.velocitypowered.proxy.connection.MinecraftConnection;
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import com.velocitypowered.proxy.connection.client.HandshakeSessionHandler;
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import com.velocitypowered.proxy.protocol.ProtocolConstants;
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import com.velocitypowered.proxy.protocol.StateRegistry;
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import com.velocitypowered.proxy.protocol.netty.*;
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import com.velocitypowered.proxy.protocol.netty.GS4QueryHandler;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.bootstrap.ServerBootstrap;
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import io.netty.channel.*;
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import io.netty.channel.epoll.*;
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import io.netty.channel.kqueue.*;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.DatagramChannel;
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import io.netty.channel.socket.ServerSocketChannel;
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import io.netty.channel.socket.SocketChannel;
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import io.netty.channel.socket.nio.NioDatagramChannel;
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import io.netty.channel.socket.nio.NioServerSocketChannel;
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import io.netty.channel.socket.nio.NioSocketChannel;
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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.channel.Channel;
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import io.netty.channel.ChannelFutureListener;
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import io.netty.channel.ChannelOption;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.WriteBufferWaterMark;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.net.InetSocketAddress;
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import java.util.HashSet;
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import java.util.Locale;
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import java.util.Set;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.TimeUnit;
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import static com.velocitypowered.proxy.network.Connections.*;
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public final class ConnectionManager {
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private static final WriteBufferWaterMark SERVER_WRITE_MARK = new WriteBufferWaterMark(1 << 16, 1 << 18);
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private static final Logger logger = LogManager.getLogger(ConnectionManager.class);
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private static final Logger LOGGER = LogManager.getLogger(ConnectionManager.class);
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private final Set<Channel> endpoints = new HashSet<>();
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private final TransportType transportType;
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private final EventLoopGroup bossGroup;
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private final EventLoopGroup workerGroup;
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private final VelocityServer server;
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public final ServerChannelInitializerHolder serverChannelInitializer;
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public ConnectionManager(VelocityServer server) {
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public ConnectionManager(final VelocityServer server) {
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this.server = server;
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this.transportType = TransportType.bestType();
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this.bossGroup = transportType.createEventLoopGroup(true);
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this.workerGroup = transportType.createEventLoopGroup(false);
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this.bossGroup = this.transportType.createEventLoopGroup(TransportType.Type.BOSS);
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this.workerGroup = this.transportType.createEventLoopGroup(TransportType.Type.WORKER);
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this.serverChannelInitializer = new ServerChannelInitializerHolder(new ServerChannelInitializer(this.server));
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this.logChannelInformation();
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}
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private void logChannelInformation() {
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logger.info("Connections will use {} channels, {} compression, {} ciphers", transportType, Natives.compressor.getLoadedVariant(), Natives.cipher.getLoadedVariant());
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LOGGER.info("Connections will use {} channels, {} compression, {} ciphers", this.transportType, Natives.compressor.getLoadedVariant(), Natives.cipher.getLoadedVariant());
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}
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public void bind(final InetSocketAddress address) {
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@ -62,28 +45,7 @@ public final class ConnectionManager {
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.channel(this.transportType.serverSocketChannelClass)
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.group(this.bossGroup, this.workerGroup)
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.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, SERVER_WRITE_MARK)
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.childHandler(new ChannelInitializer<Channel>() {
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@Override
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protected void initChannel(final Channel ch) {
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ch.pipeline()
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.addLast(READ_TIMEOUT, new ReadTimeoutHandler(server.getConfiguration().getReadTimeout(), TimeUnit.SECONDS))
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.addLast(LEGACY_PING_DECODER, new LegacyPingDecoder())
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.addLast(FRAME_DECODER, new MinecraftVarintFrameDecoder())
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.addLast(LEGACY_PING_ENCODER, LegacyPingEncoder.INSTANCE)
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.addLast(FRAME_ENCODER, MinecraftVarintLengthEncoder.INSTANCE)
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.addLast(MINECRAFT_DECODER, new MinecraftDecoder(ProtocolConstants.Direction.SERVERBOUND))
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.addLast(MINECRAFT_ENCODER, new MinecraftEncoder(ProtocolConstants.Direction.CLIENTBOUND));
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final MinecraftConnection connection = new MinecraftConnection(ch, server);
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connection.setState(StateRegistry.HANDSHAKE);
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connection.setSessionHandler(new HandshakeSessionHandler(connection, server));
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ch.pipeline().addLast(Connections.HANDLER, connection);
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if (server.getConfiguration().isProxyProtocol()) {
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ch.pipeline().addFirst(new HAProxyMessageDecoder());
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}
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}
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})
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.childHandler(this.serverChannelInitializer.get())
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.childOption(ChannelOption.TCP_NODELAY, true)
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.childOption(ChannelOption.IP_TOS, 0x18)
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.localAddress(address);
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@ -92,27 +54,27 @@ public final class ConnectionManager {
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final Channel channel = future.channel();
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if (future.isSuccess()) {
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this.endpoints.add(channel);
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logger.info("Listening on {}", channel.localAddress());
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LOGGER.info("Listening on {}", channel.localAddress());
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} else {
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logger.error("Can't bind to {}", address, future.cause());
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LOGGER.error("Can't bind to {}", address, future.cause());
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}
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});
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}
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public void queryBind(final String hostname, final int port) {
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Bootstrap bootstrap = new Bootstrap()
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.channel(transportType.datagramChannelClass)
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final Bootstrap bootstrap = new Bootstrap()
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.channel(this.transportType.datagramChannelClass)
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.group(this.workerGroup)
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.handler(new GS4QueryHandler(server))
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.handler(new GS4QueryHandler(this.server))
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.localAddress(hostname, port);
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bootstrap.bind()
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.addListener((ChannelFutureListener) future -> {
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final Channel channel = future.channel();
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if (future.isSuccess()) {
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this.endpoints.add(channel);
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logger.info("Listening for GS4 query on {}", channel.localAddress());
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LOGGER.info("Listening for GS4 query on {}", channel.localAddress());
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} else {
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logger.error("Can't bind to {}", bootstrap.config().localAddress(), future.cause());
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LOGGER.error("Can't bind to {}", bootstrap.config().localAddress(), future.cause());
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}
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});
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}
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@ -122,75 +84,21 @@ public final class ConnectionManager {
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.channel(this.transportType.socketChannelClass)
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.group(this.workerGroup)
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.option(ChannelOption.TCP_NODELAY, true)
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.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, server.getConfiguration().getConnectTimeout());
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.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, this.server.getConfiguration().getConnectTimeout());
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}
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public void shutdown() {
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for (final Channel endpoint : this.endpoints) {
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try {
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logger.info("Closing endpoint {}", endpoint.localAddress());
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LOGGER.info("Closing endpoint {}", endpoint.localAddress());
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endpoint.close().sync();
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} catch (final InterruptedException e) {
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logger.info("Interrupted whilst closing endpoint", e);
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LOGGER.info("Interrupted whilst closing endpoint", e);
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}
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}
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}
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private static ThreadFactory createThreadFactory(final String nameFormat) {
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return new ThreadFactoryBuilder()
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.setNameFormat(nameFormat)
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.setDaemon(true)
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.build();
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}
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private enum TransportType {
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NIO(NioServerSocketChannel.class, NioSocketChannel.class, NioDatagramChannel.class) {
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@Override
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public EventLoopGroup createEventLoopGroup(boolean boss) {
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String name = "Netty NIO " + (boss ? "Boss" : "Worker") + " #%d";
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return new NioEventLoopGroup(0, createThreadFactory(name));
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}
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},
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EPOLL(EpollServerSocketChannel.class, EpollSocketChannel.class, EpollDatagramChannel.class) {
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@Override
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public EventLoopGroup createEventLoopGroup(boolean boss) {
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String name = "Netty Epoll " + (boss ? "Boss" : "Worker") + " #%d";
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return new EpollEventLoopGroup(0, createThreadFactory(name));
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}
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},
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KQUEUE(KQueueServerSocketChannel.class, KQueueSocketChannel.class, KQueueDatagramChannel.class) {
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@Override
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public EventLoopGroup createEventLoopGroup(boolean boss) {
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String name = "Netty KQueue " + (boss ? "Boss" : "Worker") + " #%d";
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return new KQueueEventLoopGroup(0, createThreadFactory(name));
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}
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};
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private final Class<? extends ServerSocketChannel> serverSocketChannelClass;
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private final Class<? extends SocketChannel> socketChannelClass;
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private final Class<? extends DatagramChannel> datagramChannelClass;
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TransportType(Class<? extends ServerSocketChannel> serverSocketChannelClass, Class<? extends SocketChannel> socketChannelClass, Class<? extends DatagramChannel> datagramChannelClass) {
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this.serverSocketChannelClass = serverSocketChannelClass;
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this.socketChannelClass = socketChannelClass;
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this.datagramChannelClass = datagramChannelClass;
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}
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@Override
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public String toString() {
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return name().toLowerCase(Locale.US);
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}
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public abstract EventLoopGroup createEventLoopGroup(boolean boss);
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public static TransportType bestType() {
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if (Epoll.isAvailable()) {
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return EPOLL;
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} else if (KQueue.isAvailable()) {
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return KQUEUE;
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} else {
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return NIO;
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}
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}
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public ServerChannelInitializerHolder getServerChannelInitializer() {
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return this.serverChannelInitializer;
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}
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}
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@ -0,0 +1,57 @@
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package com.velocitypowered.proxy.network;
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import com.velocitypowered.proxy.VelocityServer;
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import com.velocitypowered.proxy.connection.MinecraftConnection;
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import com.velocitypowered.proxy.connection.client.HandshakeSessionHandler;
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import com.velocitypowered.proxy.protocol.ProtocolConstants;
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import com.velocitypowered.proxy.protocol.StateRegistry;
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import com.velocitypowered.proxy.protocol.netty.LegacyPingDecoder;
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import com.velocitypowered.proxy.protocol.netty.LegacyPingEncoder;
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import com.velocitypowered.proxy.protocol.netty.MinecraftDecoder;
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import com.velocitypowered.proxy.protocol.netty.MinecraftEncoder;
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import com.velocitypowered.proxy.protocol.netty.MinecraftVarintFrameDecoder;
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import com.velocitypowered.proxy.protocol.netty.MinecraftVarintLengthEncoder;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelInitializer;
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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 java.util.concurrent.TimeUnit;
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import static com.velocitypowered.proxy.network.Connections.FRAME_DECODER;
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import static com.velocitypowered.proxy.network.Connections.FRAME_ENCODER;
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import static com.velocitypowered.proxy.network.Connections.LEGACY_PING_DECODER;
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import static com.velocitypowered.proxy.network.Connections.LEGACY_PING_ENCODER;
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import static com.velocitypowered.proxy.network.Connections.MINECRAFT_DECODER;
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import static com.velocitypowered.proxy.network.Connections.MINECRAFT_ENCODER;
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import static com.velocitypowered.proxy.network.Connections.READ_TIMEOUT;
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@SuppressWarnings("WeakerAccess")
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public class ServerChannelInitializer extends ChannelInitializer<Channel> {
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private final VelocityServer server;
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public ServerChannelInitializer(final VelocityServer server) {
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this.server = server;
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}
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@Override
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protected void initChannel(final Channel ch) {
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ch.pipeline()
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.addLast(READ_TIMEOUT, new ReadTimeoutHandler(this.server.getConfiguration().getReadTimeout(), TimeUnit.SECONDS))
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.addLast(LEGACY_PING_DECODER, new LegacyPingDecoder())
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.addLast(FRAME_DECODER, new MinecraftVarintFrameDecoder())
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.addLast(LEGACY_PING_ENCODER, LegacyPingEncoder.INSTANCE)
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.addLast(FRAME_ENCODER, MinecraftVarintLengthEncoder.INSTANCE)
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.addLast(MINECRAFT_DECODER, new MinecraftDecoder(ProtocolConstants.Direction.SERVERBOUND))
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.addLast(MINECRAFT_ENCODER, new MinecraftEncoder(ProtocolConstants.Direction.CLIENTBOUND));
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final MinecraftConnection connection = new MinecraftConnection(ch, this.server);
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connection.setState(StateRegistry.HANDSHAKE);
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connection.setSessionHandler(new HandshakeSessionHandler(connection, this.server));
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ch.pipeline().addLast(Connections.HANDLER, connection);
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if (ServerChannelInitializer.this.server.getConfiguration().isProxyProtocol()) {
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ch.pipeline().addFirst(new HAProxyMessageDecoder());
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}
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}
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}
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@ -0,0 +1,28 @@
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package com.velocitypowered.proxy.network;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelInitializer;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.util.function.Supplier;
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public class ServerChannelInitializerHolder implements Supplier<ChannelInitializer<Channel>> {
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private static final Logger LOGGER = LogManager.getLogger(ConnectionManager.class);
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private ChannelInitializer<Channel> initializer;
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public ServerChannelInitializerHolder(final ChannelInitializer<Channel> initializer) {
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this.initializer = initializer;
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}
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@Override
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public ChannelInitializer<Channel> get() {
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return this.initializer;
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}
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@Deprecated
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public void set(final ChannelInitializer<Channel> initializer) {
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LOGGER.warn("The server channel initializer has been replaced by {}", Thread.currentThread().getStackTrace()[2]);
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this.initializer = initializer;
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}
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}
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@ -0,0 +1,86 @@
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package com.velocitypowered.proxy.network;
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import com.google.common.util.concurrent.ThreadFactoryBuilder;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.epoll.Epoll;
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import io.netty.channel.epoll.EpollDatagramChannel;
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import io.netty.channel.epoll.EpollEventLoopGroup;
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import io.netty.channel.epoll.EpollServerSocketChannel;
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import io.netty.channel.epoll.EpollSocketChannel;
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import io.netty.channel.kqueue.KQueue;
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import io.netty.channel.kqueue.KQueueDatagramChannel;
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import io.netty.channel.kqueue.KQueueEventLoopGroup;
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import io.netty.channel.kqueue.KQueueServerSocketChannel;
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import io.netty.channel.kqueue.KQueueSocketChannel;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.DatagramChannel;
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import io.netty.channel.socket.ServerSocketChannel;
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import io.netty.channel.socket.SocketChannel;
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import io.netty.channel.socket.nio.NioDatagramChannel;
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import io.netty.channel.socket.nio.NioServerSocketChannel;
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import io.netty.channel.socket.nio.NioSocketChannel;
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import java.util.concurrent.ThreadFactory;
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import java.util.function.BiFunction;
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enum TransportType {
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NIO("NIO", NioServerSocketChannel.class, NioSocketChannel.class, NioDatagramChannel.class, (name, type) -> new NioEventLoopGroup(0, createThreadFactory(name, type))),
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EPOLL("epoll", EpollServerSocketChannel.class, EpollSocketChannel.class, EpollDatagramChannel.class, (name, type) -> new EpollEventLoopGroup(0, createThreadFactory(name, type))),
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KQUEUE("Kqueue", KQueueServerSocketChannel.class, KQueueSocketChannel.class, KQueueDatagramChannel.class, (name, type) -> new KQueueEventLoopGroup(0, createThreadFactory(name, type)));
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final String name;
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final Class<? extends ServerSocketChannel> serverSocketChannelClass;
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final Class<? extends SocketChannel> socketChannelClass;
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final Class<? extends DatagramChannel> datagramChannelClass;
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final BiFunction<String, Type, EventLoopGroup> eventLoopGroupFactory;
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TransportType(final String name, final Class<? extends ServerSocketChannel> serverSocketChannelClass, final Class<? extends SocketChannel> socketChannelClass, final Class<? extends DatagramChannel> datagramChannelClass, final BiFunction<String, Type, EventLoopGroup> eventLoopGroupFactory) {
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this.name = name;
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this.serverSocketChannelClass = serverSocketChannelClass;
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this.socketChannelClass = socketChannelClass;
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this.datagramChannelClass = datagramChannelClass;
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this.eventLoopGroupFactory = eventLoopGroupFactory;
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}
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@Override
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public String toString() {
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return this.name;
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}
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public EventLoopGroup createEventLoopGroup(final Type type) {
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return this.eventLoopGroupFactory.apply(this.name, type);
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}
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private static ThreadFactory createThreadFactory(final String name, final Type type) {
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return new ThreadFactoryBuilder()
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.setNameFormat("Netty " + name + ' ' + type.toString() + " #%d")
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.setDaemon(true)
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.build();
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}
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public static TransportType bestType() {
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if (Epoll.isAvailable()) {
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return EPOLL;
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} else if (KQueue.isAvailable()) {
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return KQUEUE;
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} else {
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return NIO;
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}
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}
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public enum Type {
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BOSS("Boss"),
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WORKER("Worker");
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private final String name;
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Type(final String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return this.name;
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}
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}
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}
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