PaperMC/patches/server/0632-Add-Channel-initialization-listeners.patch
Nassim Jahnke ef0e5a642d
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
9ae3f10f SPIGOT-3842: Add Player#fireworkBoost() and expand Firework API
48c0c547 PR-786: Add methods to get sounds from entities

CraftBukkit Changes:
5cc9c022a SPIGOT-7152: Handle hand item changing during air interact event
4ffa1acf6 SPIGOT-7154: Players get kicked when interacting with a conversation
4daa21123 SPIGOT-3842: Add Player#fireworkBoost() and expand Firework API
e5d6a9bbf PR-1100: Add methods to get sounds from entities
b7e9f1c8b SPIGOT-7146: Reduce use of Material switch in ItemMeta

Spigot Changes:
4c157bb4 Rebuild patches
2022-09-12 13:31:45 +02:00

155 lines
6.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
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/io/papermc/paper/network/ConnectionEvent.java b/src/main/java/io/papermc/paper/network/ConnectionEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..0d7e7db9e37ef0183c32b217bd944fb4f41ab83a
--- /dev/null
+++ b/src/main/java/io/papermc/paper/network/ConnectionEvent.java
@@ -0,0 +1,10 @@
+package io.papermc.paper.network;
+
+/**
+ * Internal connection pipeline events.
+ */
+public enum ConnectionEvent {
+
+ COMPRESSION_THRESHOLD_SET,
+ COMPRESSION_DISABLED
+}
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index dd81751f64695180331b82225ac878913afe4513..86cc291b5b14523d57c84f8ebd6ba9b9c3b0d1a6 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -567,6 +567,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
} else {
this.channel.pipeline().addBefore("encoder", "compress", new CompressionEncoder(compressionThreshold));
}
+ this.channel.pipeline().fireUserEventTriggered(io.papermc.paper.network.ConnectionEvent.COMPRESSION_THRESHOLD_SET); // Paper
} else {
if (this.channel.pipeline().get("decompress") instanceof CompressionDecoder) {
this.channel.pipeline().remove("decompress");
@@ -575,6 +576,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
if (this.channel.pipeline().get("compress") instanceof CompressionEncoder) {
this.channel.pipeline().remove("compress");
}
+ this.channel.pipeline().fireUserEventTriggered(io.papermc.paper.network.ConnectionEvent.COMPRESSION_DISABLED); // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index 1b38326c9a709536dc4cccf9af93aede98a1a782..83af90fb0dcb4b1a5a68f655cf66d101b472e8e7 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -114,6 +114,7 @@ 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
}