mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
106 lines
3.2 KiB
Ruby
106 lines
3.2 KiB
Ruby
require 'benchmark'
|
|
require 'abstract_controller/logger'
|
|
|
|
module ActionController
|
|
# Adds instrumentation to several ends in ActionController::Base. It also provides
|
|
# some hooks related with process_action, this allows an ORM like Active Record
|
|
# and/or DataMapper to plug in ActionController and show related information.
|
|
#
|
|
# Check ActiveRecord::Railties::ControllerRuntime for an example.
|
|
module Instrumentation
|
|
extend ActiveSupport::Concern
|
|
|
|
include AbstractController::Logger
|
|
include ActionController::RackDelegation
|
|
|
|
attr_internal :view_runtime
|
|
|
|
def process_action(*args)
|
|
raw_payload = {
|
|
:controller => self.class.name,
|
|
:action => self.action_name,
|
|
:params => request.filtered_parameters,
|
|
:format => request.format.try(:ref),
|
|
:method => request.method,
|
|
:path => (request.fullpath rescue "unknown")
|
|
}
|
|
|
|
ActiveSupport::Notifications.instrument("start_processing.action_controller", raw_payload.dup)
|
|
|
|
ActiveSupport::Notifications.instrument("process_action.action_controller", raw_payload) do |payload|
|
|
result = super
|
|
payload[:status] = response.status
|
|
append_info_to_payload(payload)
|
|
result
|
|
end
|
|
end
|
|
|
|
def render(*args)
|
|
render_output = nil
|
|
self.view_runtime = cleanup_view_runtime do
|
|
Benchmark.ms { render_output = super }
|
|
end
|
|
render_output
|
|
end
|
|
|
|
def send_file(path, options={})
|
|
ActiveSupport::Notifications.instrument("send_file.action_controller",
|
|
options.merge(:path => path)) do
|
|
super
|
|
end
|
|
end
|
|
|
|
def send_data(data, options = {})
|
|
ActiveSupport::Notifications.instrument("send_data.action_controller", options) do
|
|
super
|
|
end
|
|
end
|
|
|
|
def redirect_to(*args)
|
|
ActiveSupport::Notifications.instrument("redirect_to.action_controller") do |payload|
|
|
result = super
|
|
payload[:status] = response.status
|
|
payload[:location] = response.filtered_location
|
|
result
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
# A hook invoked every time a before callback is halted.
|
|
def halted_callback_hook(filter)
|
|
ActiveSupport::Notifications.instrument("halted_callback.action_controller", :filter => filter)
|
|
end
|
|
|
|
# A hook which allows you to clean up any time taken into account in
|
|
# views wrongly, like database querying time.
|
|
#
|
|
# def cleanup_view_runtime
|
|
# super - time_taken_in_something_expensive
|
|
# end
|
|
#
|
|
# :api: plugin
|
|
def cleanup_view_runtime #:nodoc:
|
|
yield
|
|
end
|
|
|
|
# Every time after an action is processed, this method is invoked
|
|
# with the payload, so you can add more information.
|
|
# :api: plugin
|
|
def append_info_to_payload(payload) #:nodoc:
|
|
payload[:view_runtime] = view_runtime
|
|
end
|
|
|
|
module ClassMethods
|
|
# A hook which allows other frameworks to log what happened during
|
|
# controller process action. This method should return an array
|
|
# with the messages to be added.
|
|
# :api: plugin
|
|
def log_process_action(payload) #:nodoc:
|
|
messages, view_runtime = [], payload[:view_runtime]
|
|
messages << ("Views: %.1fms" % view_runtime.to_f) if view_runtime
|
|
messages
|
|
end
|
|
end
|
|
end
|
|
end
|