gistfile1.txt

class AsyncApp
  
  # This is a template async response. N.B. Can't use string for body on 1.9
  AsyncResponse = [-1, {}, []].freeze
    
  def call(env)
    body = DeferrableBody.new
    
    EventMachine::next_tick { env['async.callback'].call [200, {'Content-Type' => 'text/plain'}, body] }
    
    EventMachine::add_periodic_timer(3) do      
      EventMachine::next_tick { body.call ["Cheers then!"] }
        # body.succeed
    end
        
    AsyncResponse
  end
  
end