Class: Contrast::Extension::Assess::FiberPropagator

Inherits:
Object
  • Object
show all
Extended by:
Components::Logger::InstanceMethods, Components::Scope::InstanceMethods
Defined in:
lib/contrast/extension/assess/fiber.rb,
ext/cs__assess_fiber_track/cs__assess_fiber_track.c

Overview

This Class provides us with a way to invoke Regexp propagation for those methods which are too complex to fit into one of the standard Contrast::Agent::Assess::Policy::Propagator molds without cluttering up the Fiber Class or exposing our methods there.

Class Method Summary collapse

Methods included from Components::Logger::InstanceMethods

cef_logger, logger

Methods included from Components::Scope::InstanceMethods

contrast_enter_method_scopes!, contrast_exit_method_scopes!, with_app_scope, with_contrast_scope, with_deserialization_scope, with_split_scope

Class Method Details

.track_rb_fiber_new(fiber, _enum, _enum_method, underlying, _underlying_method) ⇒ Object 



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# File 'lib/contrast/extension/assess/fiber.rb', line 76

def track_rb_fiber_new fiber, _enum, _enum_method, underlying, _underlying_method
  return unless ::Contrast::ASSESS.enabled?
  return unless underlying.is_a?(String) && !underlying.empty?

  with_contrast_scope do
    properties = Contrast::Agent::Assess::Tracker.properties!(fiber)
    return unless properties

    properties.splat_from(underlying, fiber)
    event_data = Contrast::Agent::Assess::Events::EventData.new(FIBER_NEW_NODE, fiber, underlying, fiber, [])
    properties.build_event(event_data)
  end
rescue Exception => e # rubocop:disable Lint/RescueException
  logger.error('Unable to propagate during Fiber.new', e)
end

.track_rb_fiber_yield(fiber, _method, results) ⇒ Object 



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# File 'lib/contrast/extension/assess/fiber.rb', line 56

def track_rb_fiber_yield fiber, _method, results
  return unless ::Contrast::ASSESS.enabled?

  # results will be nil if StopIteration was raised,
  # otherwise an Array of the yielded arguments
  return unless results.cs__is_a?(Array)

  with_contrast_scope do
    results.each do |result|
      next unless (result_properties = Contrast::Agent::Assess::Tracker.properties!(result))

      result_properties.splat_from(fiber, result)
      event_data = Contrast::Agent::Assess::Events::EventData.new(FIBER_YIELD_NODE, result, fiber, result, [])
      result_properties.build_event(event_data)
    end
  end
rescue Exception => e # rubocop:disable Lint/RescueException
  logger.error('Unable to propagate during Fiber#yield', e)
end