My 11th 2023 update

components/security_apps/ips/include/ips_metric.h

@@ -0,0 +1,35 @@
+#ifndef __IPS_METRIC_H__
+#define __IPS_METRIC_H__
+
+#include "ips_signatures.h"
+#include "generic_metric.h"
+
+namespace IPSSignatureSubTypes
+{
+
+class MatchEvent : public Event<MatchEvent>
+{
+public:
+    MatchEvent(const std::shared_ptr<CompleteSignature> &sig, SignatureAction act) : signature(sig), action(act) {}
+
+    const SignatureAction & getAction() const { return action; }
+
+private:
+    std::shared_ptr<CompleteSignature> signature;
+    SignatureAction action;
+};
+
+class IPSMetric : public GenericMetric, public Listener<MatchEvent>
+{
+public:
+    void upon(const MatchEvent &event) override;
+
+private:
+    MetricCalculations::Counter prevented{this, "preventEngineMatchesSample"};
+    MetricCalculations::Counter detected{this, "detectEngineMatchesSample"};
+    MetricCalculations::Counter ignored{this, "ignoreEngineMatchesSample"};
+};
+
+} // IPSSignatureSubTypes
+
+#endif // __IPS_METRIC_H__