def read_raw_history(self,
uaNode,
starttime=None,
endtime=None,
numvalues=0,
cont=None):
details = ua.ReadRawModifiedDetails()
details.IsReadModified = False
details.StartTime = starttime or ua.get_win_epoch()
details.EndTime = endtime or ua.get_win_epoch()
details.NumValuesPerNode = numvalues
details.ReturnBounds = True
result = OpcUaClient._history_read(uaNode, details, cont)
assert (result.StatusCode.is_good())
return result.HistoryData.DataValues, result.ContinuationPoint
def read_raw_history(self,
starttime=None,
endtime=None,
numvalues=0,
returnbounds=True):
"""
Read raw history of a node
result code from server is checked and an exception is raised in case of error
"""
details = ua.ReadRawModifiedDetails()
details.IsReadModified = False
if starttime:
details.StartTime = starttime
if endtime:
details.EndTime = endtime
details.NumValuesPerNode = numvalues
details.ReturnBounds = returnbounds
return self.history_read(details)
def read_raw_history(self, starttime=None, endtime=None, numvalues=0):
"""
Read raw history of a node
result code from server is checked and an exception is raised in case of error
If numvalues is > 0 and number of events in period is > numvalues
then result will be truncated
"""
details = ua.ReadRawModifiedDetails()
details.IsReadModified = False
if starttime:
details.StartTime = starttime
else:
details.StartTime = ua.DateTimeMinValue
if endtime:
details.EndTime = endtime
else:
details.EndTime = ua.DateTimeMinValue
details.NumValuesPerNode = numvalues
details.ReturnBounds = True
result = self.history_read(details)
return result.HistoryData.DataValues
