Module: ActionController::Instrumentation

Extended by:
ActiveSupport::Concern
Includes:
AbstractController::Logger, RackDelegation
Defined in:
lib/action_controller/metal/instrumentation.rb

Overview

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.

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Methods included from RackDelegation

#dispatch, #reset_session, #response_body=

Instance Method Details

#process_action(*args) ⇒ Object 



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# File 'lib/action_controller/metal/instrumentation.rb', line 18

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.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|
    begin
      result = super
      payload[:status] = response.status
      result
    ensure
      append_info_to_payload(payload)
    end
  end
end

#redirect_to(*args) ⇒ Object 



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# File 'lib/action_controller/metal/instrumentation.rb', line 62

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

#render(*args) ⇒ Object 



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# File 'lib/action_controller/metal/instrumentation.rb', line 41

def render(*args)
  render_output = nil
  self.view_runtime = cleanup_view_runtime do
    Benchmark.ms { render_output = super }
  end
  render_output
end

#send_data(data, options = {}) ⇒ Object 



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# File 'lib/action_controller/metal/instrumentation.rb', line 56

def send_data(data, options = {})
  ActiveSupport::Notifications.instrument("send_data.action_controller", options) do
    super
  end
end

#send_file(path, options = {}) ⇒ Object 



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# File 'lib/action_controller/metal/instrumentation.rb', line 49

def send_file(path, options={})
  ActiveSupport::Notifications.instrument("send_file.action_controller",
    options.merge(:path => path)) do
    super
  end
end