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Guard against double onDisconnect calls in common packet listener

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The non-game type implementation will not guard against double calls,
which means that any invocation of disconnect() would immediately
call onDisconnect and then later the connection handler would
also call onDisconnect.

Fixes https://github.com/PaperMC/Folia/pull/181
This commit is contained in:
Spottedleaf 2024-01-09 14:22:00 -08:00
parent 6928284a56
commit e89a107ef0
1 changed files with 27 additions and 5 deletions
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32
patches/server/0003-Threaded-Regions.patch
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@ -14964,10 +14964,32 @@ index 14a5492428eac823a295ef3746d0aca6fbdab4ec..f06392b0515da3640720e115709fe98f
this.generatingStatus = status;
this.writeRadiusCutoff = placementRadius;
diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index d28d0ef6105ddeb562ddf31ae9088739856941fc..caa60d7ec56fa5da67f756297295296c2ff7c6d9 100644
index d28d0ef6105ddeb562ddf31ae9088739856941fc..062cc713ef5239f934139bb9e4071cf958e57e32 100644
--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -86,6 +86,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
@@ -75,17 +75,29 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
// CraftBukkit end
}
+ // Folia start - region threading
+ private boolean handledDisconnect = false;
+ // Folia end - region threading
+
@Override
public void onDisconnect(Component reason) {
// Paper start
this.onDisconnect(reason, null);
}
public void onDisconnect(Component reason, @Nullable net.kyori.adventure.text.Component quitMessage) {
+ // Folia start - region threading
+ if (this.handledDisconnect) {
+ // avoid retiring scheduler twice
+ return;
+ }
+ this.handledDisconnect = true;
+ // Folia end - region threading
// Paper end
if (this.isSingleplayerOwner()) {
ServerCommonPacketListenerImpl.LOGGER.info("Stopping singleplayer server as player logged out");
this.server.halt(false);
}
@ -14975,7 +14997,7 @@ index d28d0ef6105ddeb562ddf31ae9088739856941fc..caa60d7ec56fa5da67f756297295296c
}
@@ -99,9 +100,9 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
@@ -99,9 +111,9 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
this.keepAlivePending = false;
} else if (!this.isSingleplayerOwner()) {
// Paper start - This needs to be handled on the main thread for plugins
@ -14987,7 +15009,7 @@ index d28d0ef6105ddeb562ddf31ae9088739856941fc..caa60d7ec56fa5da67f756297295296c
// Paper endg
}
@@ -292,24 +293,8 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
@@ -292,24 +304,8 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
if (this.processedDisconnect) {
return;
}
@ -15014,7 +15036,7 @@ index d28d0ef6105ddeb562ddf31ae9088739856941fc..caa60d7ec56fa5da67f756297295296c
return;
}
@@ -340,7 +325,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
@@ -340,7 +336,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
Objects.requireNonNull(this.connection);
// CraftBukkit - Don't wait