mirror of
https://github.com/PaperMC/Waterfall.git
synced 2024-11-16 07:15:14 +01:00
58 lines
2.5 KiB
Diff
58 lines
2.5 KiB
Diff
From 869e9709c7620421752a819171b4509a4efc999e Mon Sep 17 00:00:00 2001
|
|
From: Techcable <Techcable@techcable.net>
|
|
Date: Thu, 4 Aug 2016 19:30:49 -0700
|
|
Subject: [PATCH] Dump the raw hex of a packet on a decoding error
|
|
|
|
|
|
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java b/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
|
|
index 5b32effe..9e9ea49c 100644
|
|
--- a/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
|
|
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
|
|
@@ -1,7 +1,9 @@
|
|
package net.md_5.bungee.protocol;
|
|
|
|
import io.netty.buffer.ByteBuf;
|
|
+import io.netty.buffer.ByteBufUtil;
|
|
import io.netty.channel.ChannelHandlerContext;
|
|
+import io.netty.handler.codec.DecoderException;
|
|
import io.netty.handler.codec.MessageToMessageDecoder;
|
|
import java.util.List;
|
|
import lombok.AllArgsConstructor;
|
|
@@ -31,13 +33,16 @@ public class MinecraftDecoder extends MessageToMessageDecoder<ByteBuf>
|
|
Protocol.DirectionData prot = ( server ) ? protocol.TO_SERVER : protocol.TO_CLIENT;
|
|
ByteBuf slice = in.copy(); // Can't slice this one due to EntityMap :(
|
|
|
|
+ Object packetTypeInfo = null;
|
|
try
|
|
{
|
|
int packetId = DefinedPacket.readVarInt( in );
|
|
+ packetTypeInfo = packetId;
|
|
|
|
DefinedPacket packet = prot.createPacket( packetId, protocolVersion, supportsForge );
|
|
if ( packet != null )
|
|
{
|
|
+ packetTypeInfo = packet.getClass();
|
|
packet.read( in, prot.getDirection(), protocolVersion );
|
|
|
|
if ( in.isReadable() )
|
|
@@ -51,6 +56,16 @@ public class MinecraftDecoder extends MessageToMessageDecoder<ByteBuf>
|
|
|
|
out.add( new PacketWrapper( packet, slice ) );
|
|
slice = null;
|
|
+ } catch (BadPacketException | IndexOutOfBoundsException e) {
|
|
+ final String packetTypeStr;
|
|
+ if (packetTypeInfo instanceof Integer) {
|
|
+ packetTypeStr = "id " + Integer.toHexString((Integer) packetTypeInfo);
|
|
+ } else if (packetTypeInfo instanceof Class) {
|
|
+ packetTypeStr = "class " + ((Class) packetTypeInfo).getSimpleName();
|
|
+ } else {
|
|
+ packetTypeStr = "unknown";
|
|
+ }
|
|
+ throw new DecoderException("Error decoding packet " + packetTypeStr + " with contents:\n" + ByteBufUtil.prettyHexDump(slice), e);
|
|
} finally
|
|
{
|
|
if ( slice != null )
|
|
--
|
|
2.19.1
|
|
|