PaperMC/patches/server/0643-Add-Channel-initialization-listeners.patch
Noah van der Aa 2e99e5e677
Updated Upstream (Bukkit/CraftBukkit) (#7411)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
af88996a SPIGOT-6890: Add repair cost amount in AnvilInventory
bc7bd363 PR-716: Fix scheduler javadocs (previously, the <b> tag broke the rendering)
6db1ab70 Improve item cooldown JavaDocs

CraftBukkit Changes:
13670b44 SPIGOT-6890: Add repair cost amount in AnvilInventory
0d109e86 PR-999: Prevent non-item cooldowns
2022-01-27 15:35:36 +01:00

119 lines
4.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <jahnke.nassim@gmail.com>
Date: Thu, 29 Apr 2021 21:19:33 +0200
Subject: [PATCH] Add Channel initialization listeners
diff --git a/src/main/java/io/papermc/paper/network/ChannelInitializeListener.java b/src/main/java/io/papermc/paper/network/ChannelInitializeListener.java
new file mode 100644
index 0000000000000000000000000000000000000000..88099df34c2d74daba9645aadf65b446ca795a91
--- /dev/null
+++ b/src/main/java/io/papermc/paper/network/ChannelInitializeListener.java
@@ -0,0 +1,15 @@
+package io.papermc.paper.network;
+
+import io.netty.channel.Channel;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+/**
+ * Internal API to register channel initialization listeners.
+ * <p>
+ * This is not officially supported API and we make no guarantees to the existence or state of this interface.
+ */
+@FunctionalInterface
+public interface ChannelInitializeListener {
+
+ void afterInitChannel(@NonNull Channel channel);
+}
diff --git a/src/main/java/io/papermc/paper/network/ChannelInitializeListenerHolder.java b/src/main/java/io/papermc/paper/network/ChannelInitializeListenerHolder.java
new file mode 100644
index 0000000000000000000000000000000000000000..30e62719e0a83525daa33cf41cb61df360c0e046
--- /dev/null
+++ b/src/main/java/io/papermc/paper/network/ChannelInitializeListenerHolder.java
@@ -0,0 +1,74 @@
+package io.papermc.paper.network;
+
+import io.netty.channel.Channel;
+import net.kyori.adventure.key.Key;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Internal API to register channel initialization listeners.
+ * <p>
+ * This is not officially supported API and we make no guarantees to the existence or state of this class.
+ */
+public final class ChannelInitializeListenerHolder {
+
+ private static final Map<Key, ChannelInitializeListener> LISTENERS = new HashMap<>();
+ private static final Map<Key, ChannelInitializeListener> IMMUTABLE_VIEW = Collections.unmodifiableMap(LISTENERS);
+
+ private ChannelInitializeListenerHolder() {
+ }
+
+ /**
+ * Registers whether an initialization listener is registered under the given key.
+ *
+ * @param key key
+ * @return whether an initialization listener is registered under the given key
+ */
+ public static boolean hasListener(@NonNull Key key) {
+ return LISTENERS.containsKey(key);
+ }
+
+ /**
+ * Registers a channel initialization listener called after ServerConnection is initialized.
+ *
+ * @param key key
+ * @param listener initialization listeners
+ */
+ public static void addListener(@NonNull Key key, @NonNull ChannelInitializeListener listener) {
+ LISTENERS.put(key, listener);
+ }
+
+ /**
+ * Removes and returns an initialization listener registered by the given key if present.
+ *
+ * @param key key
+ * @return removed initialization listener if present
+ */
+ public static @Nullable ChannelInitializeListener removeListener(@NonNull Key key) {
+ return LISTENERS.remove(key);
+ }
+
+ /**
+ * Returns an immutable map of registered initialization listeners.
+ *
+ * @return immutable map of registered initialization listeners
+ */
+ public static @NonNull Map<Key, ChannelInitializeListener> getListeners() {
+ return IMMUTABLE_VIEW;
+ }
+
+ /**
+ * Calls the registered listeners with the given channel.
+ *
+ * @param channel channel
+ */
+ public static void callListeners(@NonNull Channel channel) {
+ for (ChannelInitializeListener listener : LISTENERS.values()) {
+ listener.afterInitChannel(channel);
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index 7fe08a998b4067f9f67c7e7a2244c1de0b194093..3d78b1f06839fa6534c84979a32bb80ec5de6d84 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -112,6 +112,7 @@ public class ServerConnectionListener {
pending.add((Connection) object); // Paper
channel.pipeline().addLast("packet_handler", (ChannelHandler) object);
((Connection) object).setListener(new ServerHandshakePacketListenerImpl(ServerConnectionListener.this.server, (Connection) object));
+ io.papermc.paper.network.ChannelInitializeListenerHolder.callListeners(channel); // Paper
}
}).group((EventLoopGroup) lazyinitvar.get()).localAddress(address, port)).option(ChannelOption.AUTO_READ, false).bind().syncUninterruptibly()); // CraftBukkit
}