Method _check_max_bytes

python/python3/tornado/iostream.py:951–956

(self, delimiter: Union[bytes, Pattern], size: int)

        return None

    def _check_max_bytes(self, delimiter: Union[bytes, Pattern], size: int) -> None:
        if self._read_max_bytes is not None and size > self._read_max_bytes:
            raise UnsatisfiableReadError(
                "delimiter %r not found within %d bytes"
                % (delimiter, self._read_max_bytes)
            )

    def _handle_write(self) -> None:
        while True: