Add internal netty pipeline events

Author: kennytv

patches/server/0632-Add-Channel-initialization-listeners.patch

@@ -105,6 +105,42 @@ index 0000000000000000000000000000000000000000..30e62719e0a83525daa33cf41cb61df3
 +        }
 +    }
 +}
+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 91556b52edaa1d5c4dc73a825c77b9a66b002c61..91cf0a6b5061bf4731731fdd69beb80fb30c6b51 100644
+--- a/src/main/java/net/minecraft/network/Connection.java
++++ b/src/main/java/net/minecraft/network/Connection.java
+@@ -555,6 +555,7 @@ 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");
+@@ -563,6 +564,7 @@ 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 72fbc58f7d003b7af3c35e5fc504010307c7086b..076c1d5fb69a4a30b3e412e85b17db09fd9a1def 100644
 --- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java

patches/server/0650-Add-Unix-domain-socket-support.patch

@@ -11,10 +11,10 @@ Tested-by: Mariell Hoversholm <proximyst@proximyst.com>
 Reviewed-by: Mariell Hoversholm <proximyst@proximyst.com>
 
 diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
-index 91556b52edaa1d5c4dc73a825c77b9a66b002c61..00abdd5bba02b7cdf8dbdc423594f0fde890dd84 100644
+index 91cf0a6b5061bf4731731fdd69beb80fb30c6b51..45598a94524519257c5ffb03800f0b081f4d7a78 100644
 --- a/src/main/java/net/minecraft/network/Connection.java
 +++ b/src/main/java/net/minecraft/network/Connection.java
-@@ -627,6 +627,11 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+@@ -629,6 +629,11 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
      // Spigot Start
      public SocketAddress getRawAddress()
      {

patches/server/0763-Use-Velocity-compression-and-cipher-natives.patch

@@ -268,7 +268,7 @@ index 792883afe53d2b7989c25a81c2f9a639d5e21d20..c04379ca8a4db0f4de46ad2b3b338431
          return this.threshold;
      }
 diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
-index 7e2256ac88e874b34b6a0c638bfced368ba29be2..9549e8ed4b245176b340ab2f22f4bdefdbe28a9e 100644
+index e0a29625d17d315b2f614c65a0a82c6d1a82676d..f018d07cbea3785876a547da158cf60eb831a5fb 100644
 --- a/src/main/java/net/minecraft/network/Connection.java
 +++ b/src/main/java/net/minecraft/network/Connection.java
 @@ -641,11 +641,28 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
@@ -322,8 +322,8 @@ index 7e2256ac88e874b34b6a0c638bfced368ba29be2..9549e8ed4b245176b340ab2f22f4bdef
 -                this.channel.pipeline().addBefore("encoder", "compress", new CompressionEncoder(compressionThreshold));
 +                this.channel.pipeline().addBefore("encoder", "compress", new CompressionEncoder(compressor, compressionThreshold)); // Paper
              }
+             this.channel.pipeline().fireUserEventTriggered(io.papermc.paper.network.ConnectionEvent.COMPRESSION_THRESHOLD_SET); // Paper
          } else {
-             if (this.channel.pipeline().get("decompress") instanceof CompressionDecoder) {
 diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
 index 9e7154c9df96d5a0577886d43a98a73626a8f189..af3e70920221b6bd127bb3aed7f1e0a7e9e4c322 100644
 --- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java