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f37381ea8a
Removes synchronization from sending packets
Makes normal packet sends no longer need to be wrapped and queued like it use to work.
Adds more packet queue immunities on top of keep alive to let the following scenarios go out
without delay:
- Keep Alive
- Chat
- Kick
- All of the packets during the Player Joined World event
Hoping that latter one helps join timeout issues more too for slow connections.
Removes processing packet queue off of main thread
- for the few cases where it is allowed, order is not necessary nor
should it even be happening concurrently in first place (handshaking/login/status)
Ensures packets sent asynchronously are dispatched on main thread
This helps ensure safety for ProtocolLib as packet listeners
are commonly accessing world state. This will allow you to schedule
a packet to be sent async, but itll be dispatched sync for packet
listeners to process.
This should solve some deadlock risks
This may provide a decent performance improvement because thread synchronization incurs a cache reset
so by avoiding ever entering a synchronized block, we get to avoid that, and packet sending is a really
hot activity.
23 lines
1.3 KiB
Diff
23 lines
1.3 KiB
Diff
From fd9f5cd3a9853bba484a9ed61c5cf013ba2c285b Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 23 Apr 2020 01:36:39 -0400
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Subject: [PATCH] Don't fire BlockFade on worldgen threads
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Caused a deadlock
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diff --git a/src/main/java/net/minecraft/server/BlockFire.java b/src/main/java/net/minecraft/server/BlockFire.java
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index b41de95a639..9e501514f30 100644
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--- a/src/main/java/net/minecraft/server/BlockFire.java
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+++ b/src/main/java/net/minecraft/server/BlockFire.java
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@@ -44,6 +44,7 @@ public class BlockFire extends Block {
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@Override
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public IBlockData updateState(IBlockData iblockdata, EnumDirection enumdirection, IBlockData iblockdata1, GeneratorAccess generatoraccess, BlockPosition blockposition, BlockPosition blockposition1) {
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// CraftBukkit start
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+ if (!(generatoraccess instanceof WorldServer)) return this.canPlace(iblockdata, generatoraccess, blockposition) ? (IBlockData) this.a((IBlockAccess) generatoraccess, blockposition).set(BlockFire.AGE, iblockdata.get(BlockFire.AGE)) : Blocks.AIR.getBlockData(); // Paper - don't fire events in world generation
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if (!iblockdata.canPlace(generatoraccess, blockposition)) {
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CraftBlockState blockState = CraftBlockState.getBlockState(generatoraccess, blockposition);
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blockState.setData(Blocks.AIR.getBlockData());
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--
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2.26.2
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