v0.26.7

src/upstream/client.rs

@@ -33,7 +33,7 @@ fn monotonic_millis() -> u64 {
         .min(u64::MAX as u128) as u64
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 struct ClientFactory {
     backend: Backend,
     policy: AddressPolicy,
@@ -104,6 +104,14 @@ impl ProxyClient {
         self.inner.stats()
     }
 
+    /// Whether a newly compiled backend client has exactly the same connection
+    /// policy and lifecycle settings as this one. Compatible clients can be
+    /// retained across unrelated snapshot rebuilds so generation age and
+    /// rotation counters are not restarted from zero.
+    pub(crate) fn reusable_with(&self, other: &Self) -> bool {
+        self.inner.factory == other.inner.factory
+    }
+
     /// Recycle an aged connection pool even when no user request arrives.
     pub(crate) fn maintain_rotation(&self) {
         self.inner.maintain_rotation();