code: def connection_made(self, transport):
          
          _LOGGER.info('Connection established to Hub')
          _LOGGER.debug('Transport: %s', transport)
          self.transport = transport
  
          self._restart_writer = True
          self.restart_writing()
  
          if self._aldb.status != ALDBStatus.LOADED:
              asyncio.ensure_future(self._setup_devices(), loop=self._loop)
docs: Start the Hub connection process.
  
          Called when asyncio.Protocol establishes the network connection.