From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: HaHaWTH <102713261+HaHaWTH@users.noreply.github.com>
Date: Tue, 31 Dec 2024 00:00:00 -0800
Subject: [PATCH] Virtual thread for User Authenticator


diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 0afd30a9a4eb7de7e58e1b91342cca51c771f300..e442fd1b80dd57d4420cab4da69ec3598ffc22d3 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -76,7 +76,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
     // CraftBukkit end
     private static final AtomicInteger UNIQUE_THREAD_ID = new AtomicInteger(0);
     static final Logger LOGGER = LogUtils.getLogger();
-    private static final java.util.concurrent.ExecutorService authenticatorPool = java.util.concurrent.Executors.newCachedThreadPool(new com.google.common.util.concurrent.ThreadFactoryBuilder().setNameFormat("User Authenticator #%d").setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(LOGGER)).build()); // Paper - Cache authenticator threads
+    private static final java.util.concurrent.ExecutorService authenticatorPool = java.util.concurrent.Executors.newCachedThreadPool(new com.google.common.util.concurrent.ThreadFactoryBuilder().setNameFormat("User Authenticator #%d").setThreadFactory(org.dreeam.leaf.config.modules.opt.VT4UserAuthenticator.enabled ? Thread.ofVirtual().factory() : java.util.concurrent.Executors.defaultThreadFactory()).setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(LOGGER)).build()); // Paper - Cache authenticator threads // Leaf - Virtual thread for User Authenticator
     private static final int MAX_TICKS_BEFORE_LOGIN = 600;
     private final byte[] challenge;
     final MinecraftServer server;
diff --git a/src/main/java/org/dreeam/leaf/config/modules/opt/VT4UserAuthenticator.java b/src/main/java/org/dreeam/leaf/config/modules/opt/VT4UserAuthenticator.java
new file mode 100644
index 0000000000000000000000000000000000000000..751549c6ddacc40b64dc230064f5eeb6b1a2efca
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/config/modules/opt/VT4UserAuthenticator.java
@@ -0,0 +1,21 @@
+package org.dreeam.leaf.config.modules.opt;
+
+import org.dreeam.leaf.config.ConfigModules;
+import org.dreeam.leaf.config.EnumConfigCategory;
+
+public class VT4UserAuthenticator extends ConfigModules {
+
+    public String getBasePath() {
+        return EnumConfigCategory.PERF.getBaseKeyName();
+    }
+
+    public static boolean enabled = true;
+
+    @Override
+    public void onLoaded() {
+        enabled = config.getBoolean(getBasePath() + ".use-virtual-thread-for-user-authenticator", enabled,
+                config.pickStringRegionBased(
+                        "Use the new Virtual Thread introduced in JDK 21 for User Authenticator.",
+                        "是否为用户验证器使用虚拟线程."));
+    }
+}