Method _read_bytes

tornado/websocket.py:1132–1135

(self, n: int)

        self.handler.on_ws_connection_close(self.close_code, self.close_reason)

    async def _read_bytes(self, n: int) -> bytes:
        data = await self.stream.read_bytes(n)
        self._wire_bytes_in += n
        return data

    async def _receive_frame(self) -> None:
        # Read the frame header.