code: def serve_forever(self):
          
  
          # Verify that the provider has a server.
          if self.provider.server is None:
              raise ValueError(
                  "Cannot start server because the provider has no server to "
                  "publish.")
  
          # Verify that the provider has a database to advertise.
          if not self.provider.server.databases:
              raise ValueError(
                  "Cannot start server because the provider has no databases to "
                  "publish.")
  
          # Create WSGI server and run it.
          self.server = WSGIServer((self.ip, self.port), application=self.app)
  
          # Register Bonjour.
          if self.bonjour:
              self.bonjour.publish(self)
  
          # Start server until finished
          try:
              self.server.serve_forever()
          except KeyboardInterrupt:
              pass
          finally:
              # Unregister Bonjour
              if self.bonjour:
                  self.bonjour.unpublish(self)
docs: Run the DAAP server. Start by advertising the server via Bonjour. Then
          serve requests until CTRL + C is received.