poc3

app/state.py

@@ -59,11 +59,16 @@ class RuntimeStats:
             self._data["last_packet_at"] = last_packet
             self._data["last_alert_at"] = last_alert
 
-    def snapshot(self) -> dict:
+    def metrics_snapshot(self) -> dict:
+        """Return raw in-memory counters without derived calculations."""
         with self._lock:
             data = dict(self._data)
             data["suricata"] = dict(self._suricata)
             data["suricata_stats_at"] = self._suricata_timestamp
+        return data
+
+    def snapshot(self) -> dict:
+        data = self.metrics_snapshot()
         datagrams = int(data.get("tzsp_datagrams", 0))
         frames = int(data.get("frames_injected", 0))
         data["tzsp_to_tap_loss"] = max(datagrams - frames, 0)