Merge #854 ConditionRefresh not overtaken by deferred condition events (Server-object items)

2026-11-11 07:39:25 -05:00
parent 26349320df a0e9a45565
commit 03e5145796
5 changed files with 1278 additions and 55 deletions
@@ -172,6 +172,15 @@ public static class OtOpcUaTelemetry
        Meter.CreateCounter<long>("otopcua.opcua.condition_events.discarded", unit: "{event}",
            description: "Deferred condition events discarded before delivery (reason=coalesced|not_live).");

+    /// <summary>
+    ///     Deferred condition events withheld from one Server-object (<c>i=2253</c>) item because a ConditionRefresh of that
+    ///     item had already replayed a newer state (Gitea #854) — one per item and event. Every other subscriber still
+    ///     receives them; this only stops a refresh being overtaken by older events.
+    /// </summary>
+    public static readonly Counter<long> ConditionEventDeliveriesSuperseded =
+        Meter.CreateCounter<long>("otopcua.opcua.condition_events.superseded", unit: "{delivery}",
+            description: "Deferred condition events withheld from a Server-object item whose ConditionRefresh already replayed a newer state.");
+
    // ---------------- Convenience helpers ----------------

    /// <summary>