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fd5c98a9ef
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.
45 lines
No EOL
1.9 KiB
Diff
45 lines
No EOL
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 11 Jan 2020 21:50:56 -0800
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Subject: [PATCH] Optimise IEntityAccess#getPlayerByUUID
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Use the world entity map instead of iterating over all players
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diff --git a/src/main/java/net/minecraft/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
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index d5c284cdd10..4157e50e4d9 100644
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--- a/src/main/java/net/minecraft/server/IEntityAccess.java
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+++ b/src/main/java/net/minecraft/server/IEntityAccess.java
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@@ -0,0 +0,0 @@ public interface IEntityAccess {
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@Nullable
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default EntityHuman b(UUID uuid) {
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+ // Paper start - allow WorldServer to override
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+ return this.getPlayerByUUID(uuid);
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+ }
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+ @Nullable
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+ default EntityHuman getPlayerByUUID(UUID uuid) {
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+ // Paper end
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for (int i = 0; i < this.getPlayers().size(); ++i) {
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EntityHuman entityhuman = (EntityHuman) this.getPlayers().get(i);
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index 17560a20fce..c348e3e5008 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -0,0 +0,0 @@ public class WorldServer extends World {
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return new Throwable(entity + " Added to world at " + new java.util.Date());
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}
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+ // Paper start - optimise getPlayerByUUID
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+ @Nullable
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+ @Override
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+ public EntityHuman getPlayerByUUID(UUID uuid) {
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+ Entity player = this.entitiesByUUID.get(uuid);
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+ return (player instanceof EntityHuman) ? (EntityHuman)player : null;
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+ }
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+ // Paper end
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+
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// Paper start - Asynchronous IO
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public final com.destroystokyo.paper.io.PaperFileIOThread.ChunkDataController poiDataController = new com.destroystokyo.paper.io.PaperFileIOThread.ChunkDataController() {
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@Override
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--
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