async example app

app.rb

class Swift < Padrino::Application
  register Padrino::Rendering
  register Padrino::Helpers

  enable :sessions

  get '/' do
    EM.add_timer(1) do
      $check ||= 0
      $check += 1
      env['async.callback'].call([200, {'Content-Type' => 'text/plain'}, "hello #{$check}"])
    end

    throw :async
  end

end