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Paper-Old/Spigot-Server-Patches/0104-Avoid-blocking-on-Network-Manager-creation.patch
Spottedleaf 7c640a1ae2 Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415)
* fixup patch and rebuild

* Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull
24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other
a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks
10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent

CraftBukkit Changes:
1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder
e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack
803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks
7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory
06efc9ec Don't accept connections until all plugins have enabled
da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving
104b3831 SPIGOT-5222: Cannot get Long values from Entity memory
f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null

Spigot Changes:
e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive
cbcc8e87 Make region files more reliable to write to
8887c5f4 Remove redundant late-bind option
dac29063 Rebuild patches

* Preserve old flush on save flag for reliable regionfiles

Originally this patch was in paper

* Fix some issues with the death event

- Entities potentially entering a glitched state to the client where
they appear to be falling over
- Donkeys losing their chest if the event was cancelled (only an
issue since the upstream merge)
- Some wither death logic running for an entity killed by a wither
2019-08-05 11:35:40 -05:00

48 Zeilen
2.6 KiB
Diff

From e31be59b829cb42dc3f9ea5f6143275dcd8ed1e2 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 16 May 2016 23:19:16 -0400
Subject: [PATCH] Avoid blocking on Network Manager creation
Per Paper issue 294
diff --git a/src/main/java/net/minecraft/server/ServerConnection.java b/src/main/java/net/minecraft/server/ServerConnection.java
index 7de96ae69d..379c79272b 100644
--- a/src/main/java/net/minecraft/server/ServerConnection.java
+++ b/src/main/java/net/minecraft/server/ServerConnection.java
@@ -39,6 +39,15 @@ public class ServerConnection {
public volatile boolean c;
private final List<ChannelFuture> f = Collections.synchronizedList(Lists.newArrayList());
private final List<NetworkManager> g = Collections.synchronizedList(Lists.newArrayList());
+ // Paper start - prevent blocking on adding a new network manager while the server is ticking
+ private final List<NetworkManager> pending = Collections.synchronizedList(Lists.<NetworkManager>newArrayList());
+ private void addPending() {
+ synchronized (pending) {
+ this.g.addAll(pending); // Paper - OBFHELPER - List of network managers
+ pending.clear();
+ }
+ }
+ // Paper end
public ServerConnection(MinecraftServer minecraftserver) {
this.e = minecraftserver;
@@ -73,7 +82,7 @@ public class ServerConnection {
channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new LegacyPingHandler(ServerConnection.this)).addLast("splitter", new PacketSplitter()).addLast("decoder", new PacketDecoder(EnumProtocolDirection.SERVERBOUND)).addLast("prepender", new PacketPrepender()).addLast("encoder", new PacketEncoder(EnumProtocolDirection.CLIENTBOUND));
NetworkManager networkmanager = new NetworkManager(EnumProtocolDirection.SERVERBOUND);
- ServerConnection.this.g.add(networkmanager);
+ pending.add(networkmanager); // Paper
channel.pipeline().addLast("packet_handler", networkmanager);
networkmanager.setPacketListener(new HandshakeListener(ServerConnection.this.e, networkmanager));
}
@@ -112,6 +121,7 @@ public class ServerConnection {
synchronized (this.g) {
// Spigot Start
+ addPending(); // Paper
// This prevents players from 'gaming' the server, and strategically relogging to increase their position in the tick order
if ( org.spigotmc.SpigotConfig.playerShuffle > 0 && MinecraftServer.currentTick % org.spigotmc.SpigotConfig.playerShuffle == 0 )
{
--
2.22.0