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46 lines
2.3 KiB
Diff
46 lines
2.3 KiB
Diff
From cab4c50ff2db0b82c32afadb8075dc5e5b3b5bad Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Thu, 5 Oct 2017 01:54:07 +0100
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Subject: [PATCH] handle PacketPlayInKeepAlive async
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In 1.12.2, Mojang moved the processing of PacketPlayInKeepAlive off the main
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thread, while entirely correct for the server, this causes issues with
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plugins which are expecting the PlayerQuitEvent on the main thread.
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In order to counteract some bad behavior, we will post handling of the
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disconnection to the main thread, but leave the actual processing of the packet
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off the main thread.
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also adding some additional logging in order to help work out what is causing
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random disconnections for clients.
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index 08211a54c..72474a88e 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -2231,14 +2231,20 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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}
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public void a(PacketPlayInKeepAlive packetplayinkeepalive) {
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- PlayerConnectionUtils.ensureMainThread(packetplayinkeepalive, this, this.player.x()); // CraftBukkit
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+ //PlayerConnectionUtils.ensureMainThread(packetplayinkeepalive, this, this.player.x()); // CraftBukkit // Paper - This shouldn't be on the main thread
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if (this.g && packetplayinkeepalive.a() == this.h) {
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int i = (int) (this.d() - this.f);
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this.player.ping = (this.player.ping * 3 + i) / 4;
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this.g = false;
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} else if (!this.player.getName().equals(this.minecraftServer.Q())) {
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- this.disconnect(new ChatMessage("disconnect.timeout", new Object[0]));
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+ // Paper start - This needs to be handled on the main thread for plugins
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+ PlayerConnection.LOGGER.warn("{} sent an invalid keepalive! pending keepalive: {} got id: {} expected id: {}",
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+ this.player.getName(), this.isPendingPing(), packetplayinkeepalive.a(), this.getKeepAliveID());
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+ minecraftServer.postToMainThread(() -> {
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+ this.disconnect(new ChatMessage("disconnect.timeout", new Object[0]));
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+ });
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+ // Paper end
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}
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}
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--
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2.17.1
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