Paper/Spigot-Server-Patches/0119-Avoid-blocking-on-Network-Manager-creation.patch
Aikar 05466e3b47
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Bukkit Changes:
d2834556 SPIGOT-4219: Event for PigZombies angering.

CraftBukkit Changes:
a9c796f1 SPIGOT-4184: Fix furnaces not matching Vanilla smelt or animations
195f071e SPIGOT-4219: Event for PigZombies angering.
5e3082c7 SPIGOT-4230: Improve legacy block types
2018-08-05 19:46:43 -04:00

48 lines
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Diff

From 425a37a0337ea93768d697b40b31625f56d6774c 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 be8d07f41e..9808561eb3 100644
--- a/src/main/java/net/minecraft/server/ServerConnection.java
+++ b/src/main/java/net/minecraft/server/ServerConnection.java
@@ -40,6 +40,15 @@ 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;
@@ -74,7 +83,7 @@ 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));
}
@@ -103,6 +112,7 @@ 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 )
{
--
2.18.0