tracker.rb in contrast-agent-6.5.0

- old
+ new

@@ -10,10 +10,11 @@
       #
       # Finalized objects should run through this class as the Finalizers
       # have tightly coupled dependencies on each other.
       class Tracker
         PROPERTIES_HASH = Contrast::Agent::Assess::Finalizers::Hash.new
+        KEEP_AGE = 600_000.cs__freeze # 10 minutes
 
         class << self
           # Retrieve the properties of the given Object, iff they exist.
           #
           # @param source [Object, nil] the thing for which to look up properties.
@@ -52,9 +53,20 @@
           #
           # @param source [Object] the instance from which to copy properties
           # @param target [Object] the instance to which to copy properties
           def copy source, target
             PROPERTIES_HASH[target] ||= properties(source).dup
+          end
+
+          # Clean PROPERTIES_HASH of any values older than KEEP_AGE ms or
+          # have nil properties
+          def cleanup!
+            PROPERTIES_HASH.delete_if do |_k, properties|
+              return true if properties.nil?
+              return false unless (event = properties&.event)
+
+              KEEP_AGE <= (Contrast::Utils::Timer.now_ms - event.time)
+            end
           end
         end
       end
     end
   end