PaperMC/patches/server-remapped/Buffer-joins-to-world.patch
MiniDigger | Martin 95d25d98e8 Move patches around
2021-06-11 14:02:28 +02:00

71 lines
3.7 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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -0,0 +0,0 @@ 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/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -0,0 +0,0 @@ import net.minecraft.network.protocol.game.ClientboundDisconnectPacket;
import net.minecraft.network.protocol.game.ClientboundKeepAlivePacket;
import net.minecraft.network.protocol.game.ClientboundSetTitlesPacket;
import net.minecraft.server.MCUtil;
+import net.minecraft.server.MinecraftServer;
import net.minecraft.server.RunningOnDifferentThreadException;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.server.network.ServerGamePacketListenerImpl;
@@ -0,0 +0,0 @@ public class Connection 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 tick() {
this.p();
+ // Paper start
+ if (currTick != MinecraftServer.currentTick) {
+ currTick = MinecraftServer.currentTick;
+ joinAttemptsThisTick = 0;
+ }
+ // Paper end
if (this.packetListener instanceof ServerLoginPacketListenerImpl) {
+ if ( ((ServerLoginPacketListenerImpl) this.packetListener).getLoginState() != ServerLoginPacketListenerImpl.State.READY_TO_ACCEPT // Paper
+ || (joinAttemptsThisTick++ < MAX_PER_TICK)) { // Paper - limit the number of joins which can be processed each tick
((ServerLoginPacketListenerImpl) this.packetListener).tick();
+ } // Paper
}
if (this.packetListener instanceof ServerGamePacketListenerImpl) {
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
return new GameProfile(uuid, profile.getName());
}
- static enum State {
+ public enum State { // Paper - package private -> public
HELLO, KEY, AUTHENTICATING, NEGOTIATING, READY_TO_ACCEPT, DELAY_ACCEPT, ACCEPTED;