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2cab85cbef
This patch was heavily intented to fix a server side issue which is generally no longer relevant, not to mention the cost of interning only cements this patch into it's grave
72 lines
2.8 KiB
Diff
72 lines
2.8 KiB
Diff
From ecf5ae72d3194c142b01b49746c67208c338a827 Mon Sep 17 00:00:00 2001
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From: creeper123123321 <creeper123123321@gmail.com>
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Date: Thu, 17 Jan 2019 03:25:59 +0000
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Subject: [PATCH] Don't use a bytebuf for packet decoding
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diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/Varint21FrameDecoder.java b/protocol/src/main/java/net/md_5/bungee/protocol/Varint21FrameDecoder.java
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index 25ee2027..743d65e4 100644
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--- a/protocol/src/main/java/net/md_5/bungee/protocol/Varint21FrameDecoder.java
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+++ b/protocol/src/main/java/net/md_5/bungee/protocol/Varint21FrameDecoder.java
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@@ -17,8 +17,7 @@ public class Varint21FrameDecoder extends ByteToMessageDecoder
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{
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in.markReaderIndex();
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- final byte[] buf = new byte[ 3 ];
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- for ( int i = 0; i < buf.length; i++ )
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+ for ( int i = 0; i < 3; i++ ) // Waterfall
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{
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if ( !in.isReadable() )
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{
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@@ -26,10 +25,13 @@ public class Varint21FrameDecoder extends ByteToMessageDecoder
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return;
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}
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- buf[i] = in.readByte();
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- if ( buf[i] >= 0 )
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+ // Waterfall start
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+ byte read = in.readByte();
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+ if ( read >= 0 )
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{
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- int length = DefinedPacket.readVarInt( Unpooled.wrappedBuffer( buf ) );
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+ in.resetReaderIndex();
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+ int length = DefinedPacket.readVarInt( in );
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+ // Waterfall end
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if ( false && length == 0) // Waterfall - ignore
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{
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throw new CorruptedFrameException( "Empty Packet!" );
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@@ -39,26 +41,11 @@ public class Varint21FrameDecoder extends ByteToMessageDecoder
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{
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in.resetReaderIndex();
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return;
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- } else
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- {
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- if ( in.hasMemoryAddress() )
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- {
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- out.add( in.slice( in.readerIndex(), length ).retain() );
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- in.skipBytes( length );
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- } else
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- {
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- if ( !DIRECT_WARNING )
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- {
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- DIRECT_WARNING = true;
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- System.out.println( "Netty is not using direct IO buffers." );
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- }
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-
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- // See https://github.com/SpigotMC/BungeeCord/issues/1717
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- ByteBuf dst = ctx.alloc().directBuffer( length );
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- in.readBytes( dst );
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- out.add( dst );
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- }
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+ // Waterfall start
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+ } else {
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+ out.add(in.readRetainedSlice(length));
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return;
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+ // Waterfall end
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}
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}
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}
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--
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2.26.1
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