Class: Appsignal::Rack::Listener

Inherits:
Object
  • Object
show all
Defined in:
lib/appsignal/rack/listener.rb

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of Listener.



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# File 'lib/appsignal/rack/listener.rb', line 4

def initialize(app, options = {})
  Appsignal.logger.debug 'Initializing Appsignal::Rack::Listener'
  @app, @options = app, options
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/appsignal/rack/listener.rb', line 9

def call(env)
  if Appsignal.active?
    call_with_appsignal_monitoring(env)
  else
    @app.call(env)
  end
end

#call_with_appsignal_monitoring(env) ⇒ Object 



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# File 'lib/appsignal/rack/listener.rb', line 17

def call_with_appsignal_monitoring(env)
  Appsignal::Transaction.create(request_id(env), env)
  @app.call(env)
rescue Exception => exception
  Appsignal.add_exception(exception)
  raise exception
ensure
  Appsignal::Transaction.complete_current!
end

#request_id(env) ⇒ Object 



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# File 'lib/appsignal/rack/listener.rb', line 27

def request_id(env)
  env['action_dispatch.request_id'] || SecureRandom.uuid
end