Paper/patches/server/0248-Use-a-Queue-for-Queueing-Commands.patch

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2021-06-11 14:02:28 +02:00
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
2021-06-13 01:45:00 +02:00
index 45ae21718df16e16b5a3835a92afbf714959950e..6f9b7c3cf22d0c44f31b81bcbfa3cb1f8c065083 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -78,7 +78,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
private static final int CONVERSION_RETRY_DELAY_MS = 5000;
private static final int CONVERSION_RETRIES = 2;
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private static final Pattern SHA1 = Pattern.compile("^[a-fA-F0-9]{40}$");
- 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 queue
private QueryThreadGs4 queryThreadGs4;
public final RconConsoleSource rconConsoleSource;
private RconThread rconThread;
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@@ -473,13 +473,15 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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}
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);