class Remnant::Rack

Public Class Methods

new(app) click to toggle source
# File lib/remnant/rack.rb, line 3
def initialize(app)
  @app = app
end

Public Instance Methods

call(env) click to toggle source
# File lib/remnant/rack.rb, line 7
def call(env)
  @response = [500, '', '']

  if env['REQUEST_PATH'] && env['REQUEST_PATH'].include?('/asset')
    @response = @app.call(env)
  else

    begin
      # only gc capture as dev
      if env['rack.request.cookie_hash'].is_a?(Hash) && env['rack.request.cookie_hash']['developer'] == '1'
        ::Remnant::GC.enable_stats
      end

      # record request time
      ::Remnant::Discover.measure('request') do
        @response = @app.call(env)
      end

      # collect & clear stats for next request
      ::Remnant.collect

      # only gc capture as dev
      if env['rack.request.cookie_hash'].is_a?(Hash) && env['rack.request.cookie_hash']['developer'] == '1'
        ::Remnant::GC.clear_stats
      end

      ::Rails.logger.flush if ::Rails.logger.respond_to?(:flush)
    rescue ::Exception => exception
      if defined?(Flail)
        Flail::Exception.new(env, exception).handle!
      end

      raise
    end
  end

  @response
end