code: def receive_data(self, data):
          # type: (bytes) -> None
          
  
          if data is None:
              # "If _The WebSocket Connection is Closed_ and no Close control
              # frame was received by the endpoint (such as could occur if the
              # underlying transport connection is lost), _The WebSocket
              # Connection Close Code_ is considered to be 1006."
              self._events.append(CloseConnection(code=CloseReason.ABNORMAL_CLOSURE))
              self._state = ConnectionState.CLOSED
              return
  
          if self.state in (ConnectionState.OPEN, ConnectionState.LOCAL_CLOSING):
              self._proto.receive_bytes(data)
          elif self.state is ConnectionState.CLOSED:
              raise LocalProtocolError("Connection already closed.")
docs: Pass some received data to the connection for handling.
  
          A list of events that the remote peer triggered by sending this data can
          be retrieved with :meth:`~wsproto.connection.Connection.events`.
  
          :param data: The data received from the remote peer on the network.
          :type data: ``bytes``