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127 changes: 127 additions & 0 deletions
127
src/main/java/org/nethergames/proxytransport/integration/QuicTransportServerInfo.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package org.nethergames.proxytransport.integration; | ||
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| import dev.waterdog.waterdogpe.network.connection.client.ClientConnection; | ||
| import dev.waterdog.waterdogpe.network.serverinfo.ServerInfo; | ||
| import dev.waterdog.waterdogpe.network.serverinfo.ServerInfoType; | ||
| import dev.waterdog.waterdogpe.player.ProxiedPlayer; | ||
| import io.netty.bootstrap.Bootstrap; | ||
| import io.netty.channel.*; | ||
| import io.netty.channel.epoll.Epoll; | ||
| import io.netty.channel.epoll.EpollDatagramChannel; | ||
| import io.netty.channel.epoll.EpollEventLoopGroup; | ||
| import io.netty.channel.nio.NioEventLoopGroup; | ||
| import io.netty.channel.socket.DatagramChannel; | ||
| import io.netty.channel.socket.nio.NioDatagramChannel; | ||
| import io.netty.handler.ssl.util.InsecureTrustManagerFactory; | ||
| import io.netty.incubator.codec.quic.*; | ||
| import io.netty.util.concurrent.Future; | ||
| import io.netty.util.concurrent.Promise; | ||
| import net.jodah.expiringmap.internal.NamedThreadFactory; | ||
| import org.nethergames.proxytransport.impl.TransportChannelInitializer; | ||
|
|
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| import java.net.InetSocketAddress; | ||
| import java.util.HashMap; | ||
| import java.util.concurrent.ThreadFactory; | ||
| import java.util.concurrent.TimeUnit; | ||
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|
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| public class QuicTransportServerInfo extends ServerInfo { | ||
| public static final int availableCPU = Runtime.getRuntime().availableProcessors(); | ||
| public static final ThreadFactory downstreamThreadFactory = new NamedThreadFactory("QUIC-Downstream %s"); | ||
| public static final EventLoopGroup downstreamLoopGroup = Epoll.isAvailable() ? new EpollEventLoopGroup(availableCPU, downstreamThreadFactory) : new NioEventLoopGroup(availableCPU, downstreamThreadFactory); | ||
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| public static final String TYPE_IDENT = "quic"; | ||
| public static final ServerInfoType TYPE = ServerInfoType.builder() | ||
| .identifier(TYPE_IDENT) | ||
| .serverInfoFactory(QuicTransportServerInfo::new) | ||
| .register(); | ||
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| private final HashMap<InetSocketAddress, Future<QuicChannel>> serverConnections = new HashMap<>(); | ||
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| public QuicTransportServerInfo(String serverName, InetSocketAddress address, InetSocketAddress publicAddress) { | ||
| super(serverName, address, publicAddress); | ||
| } | ||
|
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| @Override | ||
| public ServerInfoType getServerType() { | ||
| return TYPE; | ||
| } | ||
|
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| @Override | ||
| public Future<ClientConnection> createConnection(ProxiedPlayer proxiedPlayer) { | ||
| EventLoop eventLoop = proxiedPlayer.getProxy().getWorkerEventLoopGroup().next(); | ||
| Promise<ClientConnection> promise = eventLoop.newPromise(); | ||
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| this.createServerConnection(eventLoop, this.getAddress()).addListener((Future<QuicChannel> future) -> { | ||
| if (future.isSuccess()) { | ||
| QuicChannel quicChannel = future.getNow(); | ||
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| quicChannel.createStream(QuicStreamType.BIDIRECTIONAL, new TransportChannelInitializer(proxiedPlayer, this, promise)).addListener((Future<QuicStreamChannel> streamFuture) -> { | ||
| if (!streamFuture.isSuccess()) { | ||
| promise.tryFailure(streamFuture.cause()); | ||
| quicChannel.close(); | ||
| } | ||
| }); | ||
| } else { | ||
| promise.tryFailure(future.cause()); | ||
| } | ||
| }); | ||
|
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| return promise; | ||
| } | ||
|
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| private Future<QuicChannel> createServerConnection(EventLoopGroup eventLoopGroup, InetSocketAddress address) { | ||
| EventLoop eventLoop = eventLoopGroup.next(); | ||
|
|
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| if (this.serverConnections.containsKey(address)) { | ||
| return this.serverConnections.get(address); | ||
| } | ||
|
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| Promise<QuicChannel> promise = eventLoop.newPromise(); | ||
| this.serverConnections.put(address, promise); | ||
|
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| QuicSslContext sslContext = QuicSslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).applicationProtocols("ng").build(); | ||
| ChannelHandler codec = new QuicClientCodecBuilder() | ||
| .sslContext(sslContext) | ||
| .maxIdleTimeout(5000, TimeUnit.MILLISECONDS) | ||
| .initialMaxData(10000000) | ||
| .initialMaxStreamDataBidirectionalLocal(1000000) | ||
| .build(); | ||
|
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| new Bootstrap() | ||
| .group(downstreamLoopGroup) | ||
| .handler(codec) | ||
| .channel(getProperSocketChannel()) | ||
| .bind(0).addListener((ChannelFuture channelFuture) -> { | ||
| if (channelFuture.isSuccess()) { | ||
| QuicChannel.newBootstrap(channelFuture.channel()) | ||
| .streamHandler(new ChannelInboundHandlerAdapter() { | ||
| @Override | ||
| public void channelActive(ChannelHandlerContext ctx) { | ||
| ctx.close(); | ||
| } | ||
| }) | ||
| .remoteAddress(address) | ||
| .connect().addListener((Future<QuicChannel> quicChannelFuture) -> { | ||
| if (quicChannelFuture.isSuccess()) { | ||
| QuicChannel quicChannel = quicChannelFuture.getNow(); | ||
| quicChannel.closeFuture().addListener(f -> serverConnections.remove(address)); | ||
|
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| promise.trySuccess(quicChannel); | ||
| } else { | ||
| promise.tryFailure(quicChannelFuture.cause()); | ||
| channelFuture.channel().close(); | ||
| } | ||
| }); | ||
| } else { | ||
| promise.tryFailure(channelFuture.cause()); | ||
| channelFuture.channel().close(); | ||
| } | ||
| }); | ||
|
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| return promise; | ||
| } | ||
|
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| public Class<? extends DatagramChannel> getProperSocketChannel() { | ||
| return Epoll.isAvailable() ? EpollDatagramChannel.class : NioDatagramChannel.class; | ||
| } | ||
| } |
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