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b3b04f2ca1
Upstream has released updates that appear 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: 9a4de097 SPIGOT-7171: Ability to get the IP/hostname players are requesting status of CraftBukkit Changes: f43634ae4 SPIGOT-7170: Cannot set slots in custom smithing inventory 48f3a2258 SPIGOT-7171: Ability to get the IP/hostname players are requesting status of 30e31b4d1 SPIGOT-7177: Certain blocks don't call BlockCanBuildEvent 982364797 SPIGOT-7174: Avoid adding air to CraftMetaBundle Spigot Changes: 6198b5ae PR-122: Add missing parentheses to pumpkin and melon growth modifier 1aec3fc1 Rebuild patches
38 lines
2.0 KiB
Diff
38 lines
2.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Wed, 19 Aug 2020 05:05:54 +0100
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Subject: [PATCH] Buffer joins to world
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This patch buffers the number of logins which will attempt to join
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the world per tick, this attempts to reduce the impact that join floods
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has on the server
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diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
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index bbedcdb71a326b3286805d0081e71c54a4312622..22e2e314a4bb1b22758130d4e9065f9b87b0116e 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
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+++ b/src/main/java/net/minecraft/network/Connection.java
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@@ -426,8 +426,23 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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}
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// Paper end
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+ private static final int MAX_PER_TICK = io.papermc.paper.configuration.GlobalConfiguration.get().misc.maxJoinsPerTick; // Paper
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+ private static int joinAttemptsThisTick; // Paper
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+ private static int currTick; // Paper
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public void tick() {
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this.flushQueue();
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+ // Paper start
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+ if (currTick != net.minecraft.server.MinecraftServer.currentTick) {
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+ currTick = net.minecraft.server.MinecraftServer.currentTick;
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+ joinAttemptsThisTick = 0;
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+ }
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+ // Paper end
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+ if (this.packetListener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl) {
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+ if ( ((net.minecraft.server.network.ServerLoginPacketListenerImpl) this.packetListener).state != net.minecraft.server.network.ServerLoginPacketListenerImpl.State.READY_TO_ACCEPT // Paper
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+ || (joinAttemptsThisTick++ < MAX_PER_TICK)) { // Paper - limit the number of joins which can be processed each tick
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+ ((net.minecraft.server.network.ServerLoginPacketListenerImpl) this.packetListener).tick();
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+ } // Paper
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+ }
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PacketListener packetlistener = this.packetListener;
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if (packetlistener instanceof TickablePacketListener) {
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