diff options
Diffstat (limited to 'activesupport/lib/active_support/notifications/instrumenter.rb')
-rw-r--r-- | activesupport/lib/active_support/notifications/instrumenter.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/notifications/instrumenter.rb b/activesupport/lib/active_support/notifications/instrumenter.rb new file mode 100644 index 0000000000..0655dd0cb6 --- /dev/null +++ b/activesupport/lib/active_support/notifications/instrumenter.rb @@ -0,0 +1,46 @@ +require 'active_support/secure_random' +require 'active_support/core_ext/module/delegation' + +module ActiveSupport + module Notifications + class Instrumenter + def initialize(notifier) + @id = unique_id + @notifier = notifier + end + + def instrument(name, payload={}) + time = Time.now + yield if block_given? + ensure + @notifier.publish(name, time, Time.now, @id, payload) + end + + private + def unique_id + SecureRandom.hex(10) + end + end + + class Event + attr_reader :name, :time, :end, :transaction_id, :payload + + def initialize(name, start, ending, transaction_id, payload) + @name = name + @payload = payload.dup + @time = start + @transaction_id = transaction_id + @end = ending + end + + def duration + @duration ||= 1000.0 * (@end - @time) + end + + def parent_of?(event) + start = (self.time - event.time) * 1000 + start <= 0 && (start + duration >= event.duration) + end + end + end +end |