From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Alfie Cleveland Date: Fri, 25 Nov 2016 13:22:40 +0000 Subject: [PATCH] Cache user authenticator threads diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java index 55c15d942ddd230dec073039b7c5f95a14ff937c..d4e709b3e3df489d125ab20a98dc4b34bf61dcc9 100644 --- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java @@ -49,6 +49,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener, 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 int MAX_TICKS_BEFORE_LOGIN = 600; private static final Component DISCONNECT_UNEXPECTED_QUERY = Component.translatable("multiplayer.disconnect.unexpected_query_response"); private final byte[] challenge; @@ -140,7 +141,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener, this.connection.send(new ClientboundHelloPacket("", this.server.getKeyPair().getPublic().getEncoded(), this.challenge)); } else { // CraftBukkit start - Thread thread = new Thread("User Authenticator #" + ServerLoginPacketListenerImpl.UNIQUE_THREAD_ID.incrementAndGet()) { + // Paper start - Cache authenticator threads + authenticatorPool.execute(new Runnable() { @Override public void run() { @@ -155,10 +157,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener, ServerLoginPacketListenerImpl.this.server.server.getLogger().log(java.util.logging.Level.WARNING, "Exception verifying " + ServerLoginPacketListenerImpl.this.requestedUsername, ex); } } - }; - - thread.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(ServerLoginPacketListenerImpl.LOGGER)); - thread.start(); + }); + // Paper end // CraftBukkit end } @@ -225,7 +225,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener, 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() { String s1 = (String) Objects.requireNonNull(ServerLoginPacketListenerImpl.this.requestedUsername, "Player name not initialized"); @@ -273,10 +274,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener, return ServerLoginPacketListenerImpl.this.server.getPreventProxyConnections() && socketaddress instanceof InetSocketAddress ? ((InetSocketAddress) socketaddress).getAddress() : null; } - }; - - thread.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(ServerLoginPacketListenerImpl.LOGGER)); - thread.start(); + }); + // Paper end } // CraftBukkit start