Class: RackServerTiming::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/rack-server-timing/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/rack-server-timing/middleware.rb', line 7

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack-server-timing/middleware.rb', line 11

def call(env)
  recorder = Recorder.new

  env["rack.server_timing"] = Current.recorder = recorder
  status, headers, response = @app.call(env)

  if (value = recorder.header_value) and not value.empty?
    headers[recorder.header_name] ||= value
  end

  [status, headers, response]
ensure
  Current.clear!
end