lib/rack/throttle/interval.rb in rack-throttle-0.1.0 vs lib/rack/throttle/interval.rb in rack-throttle-0.2.0

@@ -27,20 +27,29 @@
     # @param  [Rack::Request] request
     # @return [Boolean]
     def allowed?(request)
       t1 = request_start_time(request)
       t0 = cache_get(key = cache_key(request)) rescue nil
-      allowed = !t0 || (t1 - t0.to_f) >= minimum_interval
+      allowed = !t0 || (dt = t1 - t0.to_f) >= minimum_interval
       begin
         cache_set(key, t1)
         allowed
       rescue => e
         # If an error occurred while trying to update the timestamp stored
         # in the cache, we will fall back to allowing the request through.
         # This prevents the Rack application blowing up merely due to a
         # backend cache server (Memcached, Redis, etc.) being offline.
         allowed = true
       end
+    end
+
+    ##
+    # Returns the number of seconds before the client is allowed to retry an
+    # HTTP request.
+    #
+    # @return [Float]
+    def retry_after
+      minimum_interval
     end
 
     ##
     # Returns the required minimal interval (in terms of seconds) that must
     # elapse between two subsequent HTTP requests.