Class: ScoutApm::Instruments::RailsRouter

Inherits:
Object
  • Object
show all
Defined in:
lib/scout_apm/instruments/rails_router.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ RailsRouter

Returns a new instance of RailsRouter.



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# File 'lib/scout_apm/instruments/rails_router.rb', line 6

def initialize(context)
  @context = context
  @installed = false
end

Instance Attribute Details

#contextObject (readonly)

Returns the value of attribute context.



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# File 'lib/scout_apm/instruments/rails_router.rb', line 4

def context
  @context
end

Instance Method Details

#installObject



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# File 'lib/scout_apm/instruments/rails_router.rb', line 19

def install
  if defined?(ActionDispatch) && defined?(ActionDispatch::Routing) && defined?(ActionDispatch::Routing::RouteSet)
    @installed = true

    ActionDispatch::Routing::RouteSet.class_eval do
      def call_with_scout_instruments(*args)
        req = ScoutApm::RequestManager.lookup
        req.start_layer(ScoutApm::Layer.new("Router", "Rails"))

        begin
          call_without_scout_instruments(*args)
        ensure
          req.stop_layer
        end
      end

      alias_method :call_without_scout_instruments, :call
      alias_method :call, :call_with_scout_instruments
    end
  end
end

#installed?Boolean

Returns:

  • (Boolean)


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# File 'lib/scout_apm/instruments/rails_router.rb', line 15

def installed?
  @installed
end

#loggerObject



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# File 'lib/scout_apm/instruments/rails_router.rb', line 11

def logger
  context.logger
end