papermc/Spigot-Server-Patches/0118-Avoid-blocking-on-Network-Manager-creation.patch
Aikar 835bc39b03
Paper 1.13.1 Update
Updated Upstream (Bukkit/CraftBukkit/Spigot)

Bukkit Changes:
2dcc44dc SPIGOT-4307: Fix hacky API for banners on shields
e0fc6572 SPIGOT-4309: Add "forced" display of particles
efeeab2f Add index to README.md for easier navigation
f502bc6f Update to Minecraft 1.13.1

CraftBukkit Changes:
d0bb0a1d Fix some tests randomly failing
997d378d Fix client stall in specific teleportation scenarios
b3dc2366 SPIGOT-4307: Fix hacky API for banners on shields
2a271162 SPIGOT-4301: Fix more invalid enchants
5d0d83bb SPIGOT-4309: Add "forced" display of particles
a6772578 Add additional tests for CraftBlockData
ce1af0c3 Update to Minecraft 1.13.1

Spigot Changes:
2440e189 Rebuild patches
4ecffced Update to Minecraft 1.13.1
2018-08-26 20:51:39 -04:00

47 lines
2.6 KiB
Diff

From 7df87e1be5fa99ab7bd6b364376e23073f72d41f 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 9cff011dac..f04ce2fb03 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