Added RateLimitExceeded event

event_system.go

@@ -16,6 +16,7 @@ const (
 // Register new event types here
 const (
 	EVENT_QuotaExceeded TykEvent = "QuotaExceeded"
+	EVENT_RateLimitExceeded TykEvent = "RatelimitExceeded"
 )
 
 // EventMetaDefault is a standard embedded struct to be used with custom event metadata types, gives an interface for
@@ -32,6 +33,14 @@ type EVENT_QuotaExceededMeta struct {
 	Key string
 }
 
+// EVENT_RateLimitExceededMeta is the metadata structure for a rate limit exceeded event (EVENT_QuotaExceeded)
+type EVENT_RateLimitExceededMeta struct {
+	EventMetaDefault
+	Path string
+	Origin string
+	Key string
+}
+
 // EventMessage is a standard form to send event data to handlers
 type EventMessage struct {
 	EventType TykEvent

middleware_rate_limiting.go

@@ -43,6 +43,15 @@ func (k *RateLimitAndQuotaCheck) ProcessRequest(w http.ResponseWriter, r *http.R
 				"key":    authHeaderValue,
 			}).Info("Key rate limit exceeded.")
 
+			// Fire a rate limit exceeded event
+			go k.TykMiddleware.FireEvent(EVENT_RateLimitExceeded,
+				EVENT_RateLimitExceededMeta{
+				EventMetaDefault: EventMetaDefault{Message: "Key Rate Limit Exceeded"},
+				Path: r.URL.Path,
+				Origin: r.RemoteAddr,
+				Key: authHeaderValue,
+			})
+
 			return errors.New("Rate limit exceeded"), 403
 
 		} else if reason == 2 {