71 lines
2.7 KiB
Diff
71 lines
2.7 KiB
Diff
From 3168598e19fb93e789d66b9434815a8121b59b14 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 cf7dea17..3a802ca4 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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@@ -27,8 +27,7 @@ public class Varint21FrameDecoder extends ByteToMessageDecoder
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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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@@ -36,10 +35,13 @@ 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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@@ -49,25 +51,11 @@ 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.readRetainedSlice( 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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2.44.0
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