geforkt von Mirrors/Paper
120 Zeilen
4.8 KiB
Diff
120 Zeilen
4.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: KennyTV <jahnke.nassim@gmail.com>
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Date: Thu, 29 Apr 2021 21:19:33 +0200
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Subject: [PATCH] Add Channel initialization listeners
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diff --git a/src/main/java/io/papermc/paper/network/ChannelInitializeListener.java b/src/main/java/io/papermc/paper/network/ChannelInitializeListener.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..88099df34c2d74daba9645aadf65b446ca795a91
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/network/ChannelInitializeListener.java
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@@ -0,0 +1,15 @@
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+package io.papermc.paper.network;
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+
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+import io.netty.channel.Channel;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+
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+/**
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+ * Internal API to register channel initialization listeners.
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+ * <p>
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+ * This is not officially supported API and we make no guarantees to the existence or state of this interface.
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+ */
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+@FunctionalInterface
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+public interface ChannelInitializeListener {
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+
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+ void afterInitChannel(@NonNull Channel channel);
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+}
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diff --git a/src/main/java/io/papermc/paper/network/ChannelInitializeListenerHolder.java b/src/main/java/io/papermc/paper/network/ChannelInitializeListenerHolder.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..30e62719e0a83525daa33cf41cb61df360c0e046
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/network/ChannelInitializeListenerHolder.java
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@@ -0,0 +1,74 @@
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+package io.papermc.paper.network;
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+
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+import io.netty.channel.Channel;
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+import net.kyori.adventure.key.Key;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.checker.nullness.qual.Nullable;
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+
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+import java.util.Collections;
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+import java.util.HashMap;
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+import java.util.Map;
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+
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+/**
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+ * Internal API to register channel initialization listeners.
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+ * <p>
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+ * This is not officially supported API and we make no guarantees to the existence or state of this class.
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+ */
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+public final class ChannelInitializeListenerHolder {
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+
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+ private static final Map<Key, ChannelInitializeListener> LISTENERS = new HashMap<>();
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+ private static final Map<Key, ChannelInitializeListener> IMMUTABLE_VIEW = Collections.unmodifiableMap(LISTENERS);
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+
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+ private ChannelInitializeListenerHolder() {
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+ }
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+
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+ /**
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+ * Registers whether an initialization listener is registered under the given key.
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+ *
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+ * @param key key
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+ * @return whether an initialization listener is registered under the given key
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+ */
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+ public static boolean hasListener(@NonNull Key key) {
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+ return LISTENERS.containsKey(key);
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+ }
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+
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+ /**
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+ * Registers a channel initialization listener called after ServerConnection is initialized.
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+ *
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+ * @param key key
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+ * @param listener initialization listeners
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+ */
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+ public static void addListener(@NonNull Key key, @NonNull ChannelInitializeListener listener) {
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+ LISTENERS.put(key, listener);
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+ }
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+
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+ /**
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+ * Removes and returns an initialization listener registered by the given key if present.
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+ *
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+ * @param key key
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+ * @return removed initialization listener if present
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+ */
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+ public static @Nullable ChannelInitializeListener removeListener(@NonNull Key key) {
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+ return LISTENERS.remove(key);
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+ }
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+
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+ /**
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+ * Returns an immutable map of registered initialization listeners.
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+ *
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+ * @return immutable map of registered initialization listeners
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+ */
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+ public static @NonNull Map<Key, ChannelInitializeListener> getListeners() {
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+ return IMMUTABLE_VIEW;
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+ }
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+
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+ /**
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+ * Calls the registered listeners with the given channel.
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+ *
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+ * @param channel channel
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+ */
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+ public static void callListeners(@NonNull Channel channel) {
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+ for (ChannelInitializeListener listener : LISTENERS.values()) {
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+ listener.afterInitChannel(channel);
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/network/ServerConnection.java b/src/main/java/net/minecraft/server/network/ServerConnection.java
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index dc362724ea0cc1b2f9d9ceffff483217b4356c40..69fc2789df88344587b6052f93661ed38f24a503 100644
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--- a/src/main/java/net/minecraft/server/network/ServerConnection.java
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+++ b/src/main/java/net/minecraft/server/network/ServerConnection.java
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@@ -104,6 +104,7 @@ public class ServerConnection {
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pending.add((NetworkManager) object); // Paper
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channel.pipeline().addLast("packet_handler", (ChannelHandler) object);
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((NetworkManager) object).setPacketListener(new HandshakeListener(ServerConnection.this.e, (NetworkManager) object));
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+ io.papermc.paper.network.ChannelInitializeListenerHolder.callListeners(channel); // Paper
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}
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}).group((EventLoopGroup) lazyinitvar.a()).localAddress(inetaddress, i)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit
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}
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