def _serialise_double(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
DoubleStart(builder)
DoubleAddValue(builder, data.item())
value_position = DoubleEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.Double)
def _serialise_float(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
FloatStart(builder)
FloatAddValue(builder, data.item())
value_position = FloatEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.Float)
def _serialise_ulong(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
ULongStart(builder)
ULongAddValue(builder, data.item())
value_position = ULongEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.ULong)
def _serialise_ushort(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
UShortStart(builder)
UShortAddValue(builder, data.item())
value_position = UShortEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.UShort)
def _serialise_ubyte(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
UByteStart(builder)
UByteAddValue(builder, data.item())
value_position = UByteEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.UByte)
def _serialise_string(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
string_offset = builder.CreateString(data.item())
StringStart(builder)
StringAddValue(builder, string_offset)
value_position = StringEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.String)
def _serialise_doublearray(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
ArrayDoubleStartValueVector(builder, len(data))
for single_value in reversed(data):
builder.PrependFloat64(single_value)
array_offset = builder.EndVector(len(data))
ArrayDoubleStart(builder)
ArrayDoubleAddValue(builder, array_offset)
value_position = ArrayDoubleEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.ArrayDouble)
def _serialise_stringarray(builder: flatbuffers.Builder, data: np.ndarray,
source: int):
string_offsets = [
builder.CreateString(string_item) for string_item in reversed(data)
]
ArrayStringStartValueVector(builder, len(data))
for string_offset in string_offsets:
builder.PrependSOffsetTRelative(string_offset)
string_array_offset = builder.EndVector(len(data))
ArrayStringStart(builder)
ArrayStringAddValue(builder, string_array_offset)
value_position = ArrayStringEnd(builder)
LogData.LogDataStart(builder)
LogData.LogDataAddSourceName(builder, source)
LogData.LogDataAddValue(builder, value_position)
LogData.LogDataAddValueType(builder, Value.ArrayString)
def _complete_buffer(
builder,
timestamp_unix_ns: int,
alarm_status: Union[int, None] = None,
alarm_severity: Union[int, None] = None,
) -> bytearray:
LogData.LogDataAddTimestamp(builder, timestamp_unix_ns)
if alarm_status is not None:
LogData.LogDataAddStatus(builder, alarm_status)
# Only include severity if status was provided, it would be meaningless by itself
if alarm_severity is not None:
LogData.LogDataAddSeverity(builder, alarm_severity)
log_msg = LogData.LogDataEnd(builder)
builder.Finish(log_msg)
buff = builder.Output()
buff[4:8] = FILE_IDENTIFIER
return buff