Class: Harness::RackInstrumenter

Inherits:
Object
  • Object
show all
Includes:
Instrumentation
Defined in:
lib/harness/rack.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, namespace = nil) ⇒ RackInstrumenter

Returns a new instance of RackInstrumenter.



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# File 'lib/harness/rack.rb', line 9

def initialize(app, namespace = nil)
  @app, @namespace = app, namespace
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/harness/rack.rb', line 13

def call(env)
  status, headers, body = time stat_name('rack.request', 'all') do
    @app.call env
  end

  increment "#{stat_name("rack.request")}.#{status}"

  [status, headers, body]
end

#stat_name(name, type = nil) ⇒ Object 



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# File 'lib/harness/rack.rb', line 23

def stat_name(name, type = nil)
  [name, @namespace, type].compact.join('.')
end