From b45c1b596527d04e953228fdd3e0d87859592ec9 Mon Sep 17 00:00:00 2001
From: Joonas Koivunen <joonas@neon.tech>
Date: Tue, 23 Jan 2024 09:48:30 +0000
Subject: [PATCH] feat: add similar is_stopping to PageReconstructError

---
 pageserver/src/tenant/timeline.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pageserver/src/tenant/timeline.rs b/pageserver/src/tenant/timeline.rs
index 69d0d0b320..86b5b5d514 100644
--- a/pageserver/src/tenant/timeline.rs
+++ b/pageserver/src/tenant/timeline.rs
@@ -404,6 +404,19 @@ pub(crate) enum PageReconstructError {
     WalRedo(anyhow::Error),
 }
 
+impl PageReconstructError {
+    /// Returns true if this error indicates a tenant/timeline shutdown alike situation
+    pub(crate) fn is_stopping(&self) -> bool {
+        use PageReconstructError::*;
+        match self {
+            Other(_) => false,
+            AncestorLsnTimeout(_) => false,
+            Cancelled | AncestorStopping(_) => true,
+            WalRedo(_) => false,
+        }
+    }
+}
+
 #[derive(thiserror::Error, Debug)]
 enum FlushLayerError {
     /// Timeline cancellation token was cancelled