Working on audit

internal/datasource/pva/pva.go

@@ -180,6 +180,7 @@ func structToValue(sv pvdata.StructValue) datasource.Value {
 	val := fieldByName(sv, "value")
 	ts := extractTimestamp(sv)
 	quality := extractQuality(sv)
+	severity, status := extractSeverityStatus(sv)
 
 	var data any
 	if val != nil {
@@ -190,6 +191,8 @@ func structToValue(sv pvdata.StructValue) datasource.Value {
 		Timestamp: ts,
 		Data:      data,
 		Quality:   quality,
+		Severity:  severity,
+		Status:    status,
 	}
 }
 
@@ -329,6 +332,26 @@ func extractQuality(sv pvdata.StructValue) datasource.Quality {
 	}
 }
 
+// extractSeverityStatus pulls the raw EPICS alarm severity and status from the
+// NTScalar "alarm" struct. Returns (0, 0) when no alarm struct is present.
+func extractSeverityStatus(sv pvdata.StructValue) (severity, status int) {
+	alarm := structByName(sv, "alarm")
+	if alarm == nil {
+		return 0, 0
+	}
+	if v := fieldByName(*alarm, "severity"); v != nil {
+		if s, ok := v.(int32); ok {
+			severity = int(s)
+		}
+	}
+	if v := fieldByName(*alarm, "status"); v != nil {
+		if s, ok := v.(int32); ok {
+			status = int(s)
+		}
+	}
+	return severity, status
+}
+
 func toFloat64(v any) (float64, bool) {
 	switch x := v.(type) {
 	case float64: