Class: ScoutStatsdRack::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/scout_statsd_rack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/scout_statsd_rack.rb', line 16

def initialize(app)
  @app = app
end

Instance Attribute Details

#app ⇒ Object

Returns the value of attribute app.



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# File 'lib/scout_statsd_rack.rb', line 14

def app
  @app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/scout_statsd_rack.rb', line 20

def call(env)
  (status, headers, body), response_time = call_with_timing(env)
  statsd.timing("rack.response", response_time)
  statsd.increment("rack.response_codes.#{status.to_s.gsub(/\d{2}$/,'xx')}")
  # Rack response
  [status, headers, body]
rescue Exception => exception
  statsd.increment("rack.response_codes.5xx")
  raise
end

#call_with_timing(env) ⇒ Object 



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# File 'lib/scout_statsd_rack.rb', line 31

def call_with_timing(env)
  start = Time.now
  result = @app.call(env)
  [result, ((Time.now - start) * 1000).round]
end

#statsd ⇒ Object 



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# File 'lib/scout_statsd_rack.rb', line 37

def statsd
  ScoutStatsdRack.statsd
end