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c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
44 lines
2 KiB
Diff
44 lines
2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 31 Mar 2020 03:50:42 -0400
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Subject: [PATCH] Remote Connections shouldn't hold up shutdown
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Bugs in the connection logic appears to leave stale connections even, preventing shutdown
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diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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index b15cee6f21ff300b596922a8eed35a5f8a89fe22..d6dc8c983d26ce89f17a990be4284fdc78ad164b 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -416,11 +416,11 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
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}
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if (this.rconThread != null) {
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- this.rconThread.stop();
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+ this.rconThread.stopNonBlocking(); // Paper - don't wait for remote connections
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}
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if (this.queryThreadGs4 != null) {
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- this.queryThreadGs4.stop();
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+ // this.remoteStatusListener.stop(); // Paper - don't wait for remote connections
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}
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System.exit(0); // CraftBukkit
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diff --git a/src/main/java/net/minecraft/server/rcon/thread/RconThread.java b/src/main/java/net/minecraft/server/rcon/thread/RconThread.java
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index 594fbb033b63b8c9fb8752b1fcc78f8e9f7a2a83..c12d7db2b048a327c0e8f398848cd3a9bce0ebce 100644
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--- a/src/main/java/net/minecraft/server/rcon/thread/RconThread.java
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+++ b/src/main/java/net/minecraft/server/rcon/thread/RconThread.java
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@@ -104,6 +104,14 @@ public class RconThread extends GenericThread {
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this.clients.clear();
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}
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+ // Paper start - don't wait for remote connections
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+ public void stopNonBlocking() {
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+ this.running = false;
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+ for (RconClient client : this.clients) {
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+ client.running = false;
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+ }
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+ }
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+ // Paper end - don't wait for remote connections
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private void closeSocket(ServerSocket socket) {
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LOGGER.debug("closeSocket: {}", socket);
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