36 Zeilen
1.9 KiB
Diff
36 Zeilen
1.9 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/ConnectionProtocol.java b/src/main/java/net/minecraft/network/ConnectionProtocol.java
|
|
index ac1aa37329bd4d411964ea34ea8147f6db945b9a..41899d6c141895fc6c2c5da763bbe36864d557f7 100644
|
|
--- a/src/main/java/net/minecraft/network/ConnectionProtocol.java
|
|
+++ b/src/main/java/net/minecraft/network/ConnectionProtocol.java
|
|
@@ -341,6 +341,7 @@ public enum ConnectionProtocol {
|
|
|
|
@Nullable
|
|
public Packet<?> createPacket(int id, FriendlyByteBuf buf) {
|
|
+ if (id < 0 || id >= this.idToDeserializer.size()) return null; // Paper
|
|
Function<FriendlyByteBuf, ? extends Packet<? super T>> function = this.idToDeserializer.get(id);
|
|
return function != null ? function.apply(buf) : null;
|
|
}
|
|
diff --git a/src/main/java/net/minecraft/network/Varint21FrameDecoder.java b/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
|
|
index 00c170a16a57f41f881c6b282cba474ce485b34c..1f71357a4caef4b2cbff95b560d0f3df268b3621 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 - if channel is not active just discard the packet
|
|
+ if (!channelHandlerContext.channel().isActive()) {
|
|
+ byteBuf.skipBytes(byteBuf.readableBytes());
|
|
+ return;
|
|
+ }
|
|
+ // Paper end - if channel is not active just discard the packet
|
|
byteBuf.markReaderIndex();
|
|
this.helperBuf.clear();
|
|
if (!copyVarint(byteBuf, this.helperBuf)) {
|