Class: Meter::Rails::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/meter/rails/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/meter/rails/middleware.rb', line 7

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/meter/rails/middleware.rb', line 11

def call(env)
  request = Rack::Request.new(env)
  Meter::MDC.data['request_id'] = env['action_dispatch.request_id']
  Meter::MDC.data['pid']        = Process.pid
  Meter::MDC.data['ip']         = request.ip.presence || '?'

  store_user_agent_data(request)
  store_geoip_data(request)

  @app.call(env)
ensure
  Meter::MDC.clear!
end

#store_geoip_data(request) ⇒ Object 



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# File 'lib/meter/rails/middleware.rb', line 35

def store_geoip_data(request)
  lookup = Locality::IP.new request.ip
  Meter::MDC.tags['geoip_country'] = lookup.country_name if lookup.country_name
  Meter::MDC.data['geoip_city']    = lookup.city_name    if lookup.city_name
  Meter::MDC.data['geoip_coords']  = "#{lookup.latitude},#{lookup.longitude}" if lookup.latitude && lookup.longitude
end

#store_user_agent_data(request) ⇒ Object 



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# File 'lib/meter/rails/middleware.rb', line 25

def store_user_agent_data(request)
  user_agent = UserAgent.parse(request.user_agent)
  Meter::MDC.tags['user_agent_name']     = user_agent.browser
  Meter::MDC.tags['user_agent_platform'] = user_agent.platform
  Meter::MDC.tags['user_agent_bot']      = user_agent.bot?
  Meter::MDC.data['user_agent_version']  = "#{user_agent.browser}_#{user_agent.version}"

  Meter::MDC.data['user_agent']          = user_agent.to_s
end