def get_socketcan_timestamp(sock) -> Timestamp:
SIOCGSTAMP = 0x8906
buf = struct.pack('@LL', 0, 0)
# https://docs.python.org/3/library/fcntl.html#fcntl.ioctl
buf = fcntl.ioctl(sock, SIOCGSTAMP, buf)
seconds, microseconds = struct.unpack('@LL', buf)
ts = Timestamp()
ts.FromMicroseconds(seconds * 1000000 + microseconds)
return ts
def pa_column_to_timestamp_proto_column(column: pa.lib.ChunkedArray) -> List[Timestamp]:
if not isinstance(column.type, TimestampType):
raise Exception("Only TimestampType columns are allowed")
proto_column = []
for val in column:
timestamp = Timestamp()
timestamp.FromMicroseconds(micros=int(val.as_py().timestamp() * 1_000_000))
proto_column.append(timestamp)
return proto_column
