Paper/Spigot-Server-Patches/0563-Buffer-joins-to-world.patch
Mariell Hoversholm 74f507f4e3 Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
e461dcfe #555: Item - add getters/setters for owner/thrower

CraftBukkit Changes:
055870c4 #758: Item - add getters/setters for owner/thrower
2020-10-14 10:44:15 -04:00

51 lines
2.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Wed, 19 Aug 2020 05:05:54 +0100
Subject: [PATCH] Buffer joins to world
This patch buffers the number of logins which will attempt to join
the world per tick, this attempts to reduce the impact that join floods
has on the server
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index a01b28d47669cbc36a9e6c47deb5135bec231948..9be3a3e0752a31ca465e3e50bbdad05951a28739 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -452,4 +452,9 @@ public class PaperConfig {
maxPlayerAutoSavePerTick = (playerAutoSaveRate == -1 || playerAutoSaveRate > 100) ? 10 : 20;
}
}
+
+ public static int maxJoinsPerTick;
+ private static void maxJoinsPerTick() {
+ maxJoinsPerTick = getInt("settings.max-joins-per-tick", 3);
+ }
}
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index 48fc9f40050685ea08af8da54ae8a00cf3d8ee36..c9b36e6040f03e6cee46989bab8415d829f8eef4 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -363,10 +363,22 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
}
// Paper end
+ private static final int MAX_PER_TICK = com.destroystokyo.paper.PaperConfig.maxJoinsPerTick; // Paper
+ private static int joinAttemptsThisTick; // Paper
+ private static int currTick; // Paper
public void a() {
this.p();
+ // Paper start
+ if (currTick != MinecraftServer.currentTick) {
+ currTick = MinecraftServer.currentTick;
+ joinAttemptsThisTick = 0;
+ }
+ // Paper end
if (this.packetListener instanceof LoginListener) {
+ if ( ((LoginListener) this.packetListener).getLoginState() != LoginListener.EnumProtocolState.READY_TO_ACCEPT // Paper
+ || (joinAttemptsThisTick++ < MAX_PER_TICK)) { // Paper - limit the number of joins which can be processed each tick
((LoginListener) this.packetListener).tick();
+ } // Paper
}
if (this.packetListener instanceof PlayerConnection) {