PaperMC/patches/server/0337-Remote-Connections-shouldn-t-hold-up-shutdown.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 31 Mar 2020 03:50:42 -0400
Subject: [PATCH] Remote Connections shouldn't hold up shutdown

Bugs in the connection logic appears to leave stale connections even, preventing shutdown

diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index bce5fc7337d4e29c3353600a35c999caaed1428e..3d33504eac6af17c8833de11226968d52f96232f 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -412,11 +412,11 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
         }
 
         if (this.rconThread != null) {
-            this.rconThread.stop();
+            this.rconThread.stopNonBlocking(); // Paper - don't wait for remote connections
         }
 
         if (this.queryThreadGs4 != null) {
-            this.queryThreadGs4.stop();
+            // this.remoteStatusListener.stop(); // Paper - don't wait for remote connections
         }
 
         System.exit(0); // CraftBukkit
diff --git a/src/main/java/net/minecraft/server/rcon/thread/RconThread.java b/src/main/java/net/minecraft/server/rcon/thread/RconThread.java
index 594fbb033b63b8c9fb8752b1fcc78f8e9f7a2a83..c12d7db2b048a327c0e8f398848cd3a9bce0ebce 100644
--- a/src/main/java/net/minecraft/server/rcon/thread/RconThread.java
+++ b/src/main/java/net/minecraft/server/rcon/thread/RconThread.java
@@ -104,6 +104,14 @@ public class RconThread extends GenericThread {
 
         this.clients.clear();
     }
+    // Paper start - don't wait for remote connections
+    public void stopNonBlocking() {
+        this.running = false;
+        for (RconClient client : this.clients) {
+            client.running = false;
+        }
+    }
+    // Paper end - don't wait for remote connections
 
     private void closeSocket(ServerSocket socket) {
         LOGGER.debug("closeSocket: {}", socket);