PaperMC/patches/server/0398-Optimize-NetworkManager-Exception-Handling.patch
Riley Park f17519338b
Expose server build information (#10729)
* Expose server build information

* squash patches

* final tweaks

---------

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: masmc05 <masmc05@gmail.com>
2024-05-15 17:06:59 -07:00

23 lines
1.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Sun, 5 Jul 2020 22:38:18 -0400
Subject: [PATCH] Optimize NetworkManager Exception Handling
diff --git a/src/main/java/net/minecraft/network/Varint21FrameDecoder.java b/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
index 421dd76816063d56ea80339b77531729edd6aa55..1523d69b7b332f0085f40310a94d406da6513edc 100644
--- a/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
+++ b/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
@@ -39,6 +39,12 @@ public class Varint21FrameDecoder extends ByteToMessageDecoder {
}
protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) {
+ // Paper start - Perf: Optimize exception handling; if channel is not active just discard the packet
+ if (!channelHandlerContext.channel().isActive()) {
+ byteBuf.skipBytes(byteBuf.readableBytes());
+ return;
+ }
+ // Paper end - Perf: Optimize exception handling
byteBuf.markReaderIndex();
this.helperBuf.clear();
if (!copyVarint(byteBuf, this.helperBuf)) {