Class: Rack::Monitor::MonitorApp

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/monitor/monitor_app.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ MonitorApp

Returns a new instance of MonitorApp.



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# File 'lib/rack/monitor/monitor_app.rb', line 12

def initialize(app, options={})
  @app = app
  @options = {:url=>'/rack_status'}.merge(options)
  sensor_class_names = Rack::Monitor.constants.reject { |s| %q(Sensor MonitorApp).include?(s) }
  @sensors = sensor_class_names.collect { |s| Rack::Monitor.const_get(s).new }
end

Instance Method Details

#call(env, options = {}) ⇒ Object 



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# File 'lib/rack/monitor/monitor_app.rb', line 19

def call(env, options={})
  if env["PATH_INFO"] == @options[:url]
    [200, {'Content-Type' => 'text/plain'}, [monitor_output]]
  else
    @sensors.each { |sensor| sensor.before(env) }
    status, headers, response = @app.call(env)
    @sensors.each { |sensor| sensor.after(env) }
    [status, headers, response]
  end
end