Celluloid IO connection handler

sockethandler.rb

def read_until_eot(socket)
  eot_found = false
  message = ''
  begin
    message += socket.read()
    eot_found = message['\004'].present? # <-- ughh what can i do?
  end until eot_found
  message
end

def handle_connection(socket)
  # read from socket until EOT
  message = read_until_eot(socket) # <-- need help with
  if parse(message) #message can be parsed
    #   process message
    output = process(message)
  end
  # write to socket
  socket.write output_message
  # close socket
  socket.close
end