class Puma::ControlCLI

def prepare_configuration
  if @state
    unless File.exist? @state
      raise "State file not found: #{@state}"
    end
    sf = Puma::StateFile.new
    sf.load @state
    @control_url = sf.control_url
    @control_auth_token = sf.control_auth_token
    @pid = sf.pid
  elsif @pidfile
    # get pid from pid_file
    File.open(@pidfile) { |f| @pid = f.read.to_i }
  end
end