def build_rrange_request(
self, args, range_params=None, arr_index=None, vendor_id=0, bacoid=None
):
addr, obj_type, obj_inst, prop_id = args[:4]
vendor_id = vendor_id
bacoid = bacoid
if obj_type.isdigit():
obj_type = int(obj_type)
elif not get_object_class(obj_type, vendor_id=vendor_id):
raise ValueError("Unknown object type {}".format(obj_type))
obj_inst = int(obj_inst)
if prop_id.isdigit():
prop_id = int(prop_id)
datatype = get_datatype(obj_type, prop_id, vendor_id=vendor_id)
if not datatype:
raise ValueError("invalid property for object type")
# build a request
request = ReadRangeRequest(
objectIdentifier=(obj_type, obj_inst), propertyIdentifier=prop_id
)
request.pduDestination = Address(addr)
if range_params is not None:
range_type, first, date, time, count = range_params
if range_type == "p":
rbp = RangeByPosition(referenceIndex=int(first), count=int(count))
request.range = Range(byPosition=rbp)
elif range_type == "s":
rbs = RangeBySequenceNumber(
referenceSequenceNumber=int(first), count=int(count)
)
request.range = Range(bySequenceNumber=rbs)
elif range_type == "t":
rbt = RangeByTime(
referenceTime=DateTime(
date=Date(date).value, time=Time(time).value
),
count=int(count),
)
request.range = Range(byTime=rbt)
elif range_type == "x":
# should be missing required parameter
request.range = Range()
else:
raise ValueError("unknown range type: %r" % (range_type,))
if len(args) == 5:
request.propertyArrayIndex = int(args[4])
self._log.debug("{:<20} {!r}".format("REQUEST", request))
return request
def do_readrange(self, args):
"""readrange <addr> <objid> <prop> [ <indx> ]
[ p <indx> <count> ]
[ s <seq> <count> ]
[ t <date> <time> <count> ]
"""
args = args.split()
if _debug:
ReadRangeConsoleCmd._debug("do_readrange %r", args)
try:
addr = Address(args.pop(0))
obj_id = ObjectIdentifier(args.pop(0)).value
prop_id = args.pop(0)
datatype = get_datatype(obj_id[0], prop_id)
if not datatype:
raise ValueError("invalid property for object type")
# build a request
request = ReadRangeRequest(destination=addr,
objectIdentifier=obj_id,
propertyIdentifier=prop_id)
# index is optional
if args:
if args[0].isdigit():
if not issubclass(datatype, Array):
raise ValueError("property is not an array")
request.propertyArrayIndex = int(args.pop(0))
datatype = datatype.subtype
if not issubclass(datatype, List):
raise ValueError("property is not a list")
# range is optional
if args:
range_type = args.pop(0)
if range_type == "p":
rbp = RangeByPosition(referenceIndex=int(args[0]),
count=int(args[1]))
request.range = Range(byPosition=rbp)
elif range_type == "s":
rbs = RangeBySequenceNumber(referenceSequenceNumber=int(
args[0]),
count=int(args[1]))
request.range = Range(bySequenceNumber=rbs)
elif range_type == "t":
rbt = RangeByTime(
referenceTime=DateTime(date=Date(args[0]),
time=Time(args[1])),
count=int(args[2]),
)
request.range = Range(byTime=rbt)
else:
raise ValueError("unknown range type: %r" % (range_type, ))
if _debug:
ReadRangeConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug:
ReadRangeConsoleCmd._debug(" - iocb: %r", iocb)
# give it to the application
deferred(this_application.request_io, iocb)
# wait for it to complete
iocb.wait()
# do something for success
if iocb.ioResponse:
apdu = iocb.ioResponse
if _debug:
ReadRangeConsoleCmd._debug(" - apdu: %r", apdu)
# should be an ack
if not isinstance(apdu, ReadRangeACK):
if _debug:
ReadRangeConsoleCmd._debug(" - not an ack")
return
# find the datatype
datatype = get_datatype(apdu.objectIdentifier[0],
apdu.propertyIdentifier)
if _debug:
ReadRangeConsoleCmd._debug(" - datatype: %r", datatype)
if not datatype:
raise TypeError("unknown datatype")
sys.stdout.write("firstSequenceNumber: %s\n" %
(apdu.firstSequenceNumber, ))
sys.stdout.write("resultFlags: %s\n" % (apdu.resultFlags, ))
# cast out the data into a list
value = apdu.itemData.cast_out(datatype)
# dump it out
for i, item in enumerate(value):
sys.stdout.write("[%d]\n" % (i, ))
item.debug_contents(file=sys.stdout, indent=2)
sys.stdout.flush()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + "\n")
except Exception as error:
ReadRangeConsoleCmd._exception("exception: %r", error)