code: def update_status(self, header, message):
          
          with self._lock:
              if self.message_box:
                  self.message_box.erase()
                  self.message_box.move(0, 0)
                  for n, field in enumerate(header):
                      if n == 0:
                          self.message_box.addstr(field + ":", curses.color_pair(1))
                      else:
                          self.message_box.addstr(
                              ", " + field + ":", curses.color_pair(1)
                          )
                      self.message_box.addstr(header[field])
                  self.message_box.addstr(": ", curses.color_pair(1))
                  self.message_box.addstr(
                      str(message), curses.color_pair(2) + curses.A_BOLD
                  )
                  self.message_box.refresh()
              if (
                  message["host"] not in self._node_status
                  or int(header["timestamp"])
                  >= self._node_status[message["host"]]["last_seen"]
              ):
                  self._node_status[message["host"]] = message
                  self._node_status[message["host"]]["last_seen"] = int(
                      header["timestamp"]
                  )
docs: Process incoming status message. Acquire lock for status dictionary before updating.