Paper/patches/server/0240-Use-a-Queue-for-Queueing-Commands.patch
Spottedleaf 41647af74c Do not use worldgen executor for api profile completions
We cannot put blocking network I/O onto the worldgen threads,
this will crash the server if it stalls
2022-07-03 14:55:56 -07:00

40 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 12 Aug 2018 02:33:39 -0400
Subject: [PATCH] Use a Queue for Queueing Commands
Lists are bad as Queues mmmkay.
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 02ea5304a3f99d69005ab1a7ea85e6a13009fa89..0537678f802158ec182d48df94794b59820ffc7b 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -74,7 +74,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
static final Logger LOGGER = LogUtils.getLogger();
private static final int CONVERSION_RETRY_DELAY_MS = 5000;
private static final int CONVERSION_RETRIES = 2;
- private final List<ConsoleInput> consoleInput = Collections.synchronizedList(Lists.newArrayList());
+ private final java.util.Queue<ConsoleInput> serverCommandQueue = new java.util.concurrent.ConcurrentLinkedQueue<>(); // Paper - use a proper queuemmands
@Nullable
private QueryThreadGs4 queryThreadGs4;
public final RconConsoleSource rconConsoleSource;
@@ -419,13 +419,15 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
}
public void handleConsoleInput(String command, CommandSourceStack commandSource) {
- this.consoleInput.add(new ConsoleInput(command, commandSource));
+ this.serverCommandQueue.add(new ConsoleInput(command, commandSource));
}
public void handleConsoleInputs() {
MinecraftTimings.serverCommandTimer.startTiming(); // Spigot
- while (!this.consoleInput.isEmpty()) {
- ConsoleInput servercommand = (ConsoleInput) this.consoleInput.remove(0);
+ // Paper start - use proper queue
+ ConsoleInput servercommand;
+ while ((servercommand = this.serverCommandQueue.poll()) != null) {
+ // Paper end
// CraftBukkit start - ServerCommand for preprocessing
ServerCommandEvent event = new ServerCommandEvent(console, servercommand.msg);