Paper/patches/server/0112-Cache-user-authenticator-threads.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Fri, 25 Nov 2016 13:22:40 +0000
Subject: [PATCH] Cache user authenticator threads
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diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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index 0d1102e1b98235b8e7124321a65483a5e923d4a5..7a9094e69684c2d963411525a09872024c6f62e3 100644
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--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
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@@ -139,8 +139,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
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this.connection.send(new ClientboundHelloPacket("", this.server.getKeyPair().getPublic().getEncoded(), this.challenge));
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} else {
// Spigot start
- new Thread("User Authenticator #" + ServerLoginPacketListenerImpl.UNIQUE_THREAD_ID.incrementAndGet()) {
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-
+ // Paper start - Cache authenticator threads
+ authenticatorPool.execute(new Runnable() {
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@Override
public void run() {
try {
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@@ -150,7 +150,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
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ServerLoginPacketListenerImpl.this.server.server.getLogger().log(java.util.logging.Level.WARNING, "Exception verifying " + ServerLoginPacketListenerImpl.this.requestedUsername, ex);
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}
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}
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- }.start();
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+ });
+ // Paper end
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// Spigot end
}
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@@ -223,7 +224,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
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throw new IllegalStateException("Protocol error", cryptographyexception);
}
- Thread thread = new Thread("User Authenticator #" + ServerLoginPacketListenerImpl.UNIQUE_THREAD_ID.incrementAndGet()) {
+ // Paper start - Cache authenticator threads
+ authenticatorPool.execute(new Runnable() {
public void run() {
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String s1 = (String) Objects.requireNonNull(ServerLoginPacketListenerImpl.this.requestedUsername, "Player name not initialized");
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@@ -269,10 +271,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
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return ServerLoginPacketListenerImpl.this.server.getPreventProxyConnections() && socketaddress instanceof InetSocketAddress ? ((InetSocketAddress) socketaddress).getAddress() : null;
}
- };
-
- thread.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(ServerLoginPacketListenerImpl.LOGGER));
- thread.start();
+ });
+ // Paper end
}
// Spigot start
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@@ -333,6 +333,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
this.state = ServerLoginPacketListenerImpl.State.ACCEPTED;
}
+ 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
+
// Spigot start
protected GameProfile createOfflineProfile(String name) {
UUID uuid;