def writeValue(self,addr,obj_id,prop_id,value,indx=None,priority=None):
if isinstance(obj_id,str):
obj_id=obj_id.split(':')
obj_id[1]=int(obj_id[1])
addr=RemoteStation(addr[0],bytearray(addr[1]))
datatype = get_datatype(obj_id[0],prop_id)
if datatype is None:return
if (value == 'null'):
value = Null()
elif issubclass(datatype, AnyAtomic):
dtype, dvalue = value.split(':', 1)
datatype = {
'b': Boolean,
'u': lambda x: Unsigned(int(x)),
'i': lambda x: Integer(int(x)),
'r': lambda x: Real(float(x)),
'd': lambda x: Double(float(x)),
'o': OctetString,
'c': CharacterString,
'bs': BitString,
'date': Date,
'time': Time,
'id': ObjectIdentifier,
}[dtype]
value = datatype(dvalue)
elif issubclass(datatype, Atomic):
if datatype is Integer:
value = int(value)
elif datatype is Real:
value = float(value)
elif datatype is Unsigned:
value = int(value)
value = datatype(value)
elif issubclass(datatype, Array) and (indx is not None):
if indx == 0:
value = Integer(value)
elif issubclass(datatype.subtype, Atomic):
value = datatype.subtype(value)
elif not isinstance(value, datatype.subtype):
raise TypeError("invalid result datatype, expecting %s" % (datatype.subtype.__name__,))
elif not isinstance(value, datatype):
raise TypeError("invalid result datatype, expecting %s" % (datatype.__name__,))
# build a request
request = WritePropertyRequest(
objectIdentifier=tuple(obj_id),
propertyIdentifier=prop_id,
destination=addr
)
# save the value
request.propertyValue = Any()
request.propertyValue.cast_in(value)
if indx is not None:
request.propertyArrayIndex = indx
if priority is not None:
request.priority = priority
iocb = IOCB(request)
self.request_io(iocb)
def cast_value(value, data_type, prop_index=None, prop=None):
# pylint: disable=too-many-branches
"""
This function casts value to data type.
:param value: object
:param data_type: data type
:param prop_index: property array index
:param prop: property instance
:return: casted value
"""
cast_value._debug('start %r, %r, %r, %r', value, data_type, prop_index, prop)
# get value from value
if not hasattr(data_type, 'subtype') or isinstance(value, ObjectIdentifier):
value = getattr(value, 'value', value)
# cast value
if value == 'null':
value = Null()
elif issubclass(data_type, Atomic):
if data_type is Integer:
if value is None:
value = 0
value = int(value)
elif data_type is Real:
if value is None:
value = 0
value = float(value)
elif data_type is Unsigned:
if value is None:
value = 0
value = int(value)
elif (data_type is ObjectIdentifier) and (isinstance(value, basestring)):
value = value.split()
value[1] = int(value[1])
value = tuple(value)
value = data_type(value)
elif issubclass(data_type, Array) and (prop_index is not None):
if prop_index == 0:
if isinstance(value, basestring) and not value.isdigit():
raise ValueError('array size must be integer')
value = Unsigned(value)
elif issubclass(data_type.subtype, Atomic):
value = cast_value(value, data_type.subtype, prop_index, prop=prop)
elif not isinstance(value, data_type.subtype):
raise TypeError(
'invalid result datatype, expecting %s and got %s' %
(data_type.subtype.__name__, type(value).__name__)
)
elif not isinstance(value, data_type) and value is not None:
# check if value exists or property is optional
if value is not None or prop is None or (prop is not None and not prop.optional):
raise TypeError(
'invalid result datatype, expecting %s and got %s' %
(data_type.__name__, type(value).__name__)
)
# return casted value
return value
def do_write(self, args):
"""write <addr> <type>:<inst> <prop> <value> [ <indx> ] [ <priority> ]"""
args = args.split()
BacnetClientConsoleCmd._debug("do_write %r", args)
try:
addr, obj_id, prop_id = args[:3]
obj_id = ObjectIdentifier(obj_id).value
value = args[3]
indx = None
if len(args) >= 5:
if args[4] != "-":
indx = int(args[4])
if _debug: BacnetClientConsoleCmd._debug(" - indx: %r", indx)
priority = None
if len(args) >= 6:
priority = int(args[5])
if _debug:
BacnetClientConsoleCmd._debug(" - priority: %r", priority)
# get the datatype
datatype = get_datatype(obj_id[0], prop_id)
if _debug:
BacnetClientConsoleCmd._debug(" - datatype: %r", datatype)
# change atomic values into something encodeable, null is a special case
if (value == 'null'):
value = Null()
elif issubclass(datatype, AnyAtomic):
dtype, dvalue = value.split(':', 1)
if _debug:
BacnetClientConsoleCmd._debug(
" - dtype, dvalue: %r, %r", dtype, dvalue)
datatype = {
'b': Boolean,
'u': lambda x: Unsigned(int(x)),
'i': lambda x: Integer(int(x)),
'r': lambda x: Real(float(x)),
'd': lambda x: Double(float(x)),
'o': OctetString,
'c': CharacterString,
'bs': BitString,
'date': Date,
'time': Time,
'id': ObjectIdentifier,
}[dtype]
if _debug:
BacnetClientConsoleCmd._debug(" - datatype: %r",
datatype)
value = datatype(dvalue)
if _debug:
BacnetClientConsoleCmd._debug(" - value: %r", value)
elif issubclass(datatype, Atomic):
if datatype is Integer:
value = int(value)
elif datatype is Real:
value = float(value)
elif datatype is Unsigned:
value = int(value)
value = datatype(value)
elif issubclass(datatype, Array) and (indx is not None):
if indx == 0:
value = Integer(value)
elif issubclass(datatype.subtype, Atomic):
value = datatype.subtype(value)
elif not isinstance(value, datatype.subtype):
raise TypeError("invalid result datatype, expecting %s" %
(datatype.subtype.__name__, ))
elif not isinstance(value, datatype):
raise TypeError("invalid result datatype, expecting %s" %
(datatype.__name__, ))
if _debug:
BacnetClientConsoleCmd._debug(" - encodeable value: %r %s",
value, type(value))
# build a request
request = WritePropertyRequest(objectIdentifier=obj_id,
propertyIdentifier=prop_id)
request.pduDestination = Address(addr)
# save the value
request.propertyValue = Any()
try:
request.propertyValue.cast_in(value)
except Exception as error:
BacnetClientConsoleCmd._exception(
"WriteProperty cast error: %r", error)
# optional array index
if indx is not None:
request.propertyArrayIndex = indx
# optional priority
if priority is not None:
request.priority = priority
if _debug:
BacnetClientConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: BacnetClientConsoleCmd._debug(" - iocb: %r", iocb)
# give it to the application
this_application.request_io(iocb)
# wait for it to complete
iocb.wait()
# do something for success
if iocb.ioResponse:
# should be an ack
if not isinstance(iocb.ioResponse, SimpleAckPDU):
if _debug:
BacnetClientConsoleCmd._debug(" - not an ack")
return
sys.stdout.write("ack\n")
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
except Exception as error:
BacnetClientConsoleCmd._exception("exception: %r", error)
def run(self):
if _debug: WritePointListThread._debug("run")
global this_application
prop_id = "presentValue"
# loop through the points
print("points in thread :", self.point_list)
for obj_type, obj_inst, value in self.point_list:
datatype = get_datatype(obj_type, prop_id)
if not datatype:
raise ValueError("invalid property for object type")
# build a request
# change atomic values into something encodeable, null is a special case
if (value == 'null'):
value = Null()
elif issubclass(datatype, AnyAtomic):
dtype, dvalue = value.split(':')
if _debug:
ReadWritePropertyConsoleCmd._debug(
" - dtype, dvalue: %r, %r", dtype, dvalue)
datatype = {
'b': Boolean,
'u': lambda x: Unsigned(int(x)),
'i': lambda x: Integer(int(x)),
'r': lambda x: Real(float(x)),
'd': lambda x: Double(float(x)),
'o': OctetString,
'c': CharacterString,
'bs': BitString,
'date': Date,
'time': Time,
}[dtype]
if _debug:
ReadWritePropertyConsoleCmd._debug(" - datatype: %r",
datatype)
value = datatype(dvalue)
if _debug:
ReadWritePropertyConsoleCmd._debug(" - value: %r",
value)
elif issubclass(datatype, Atomic):
if datatype is Integer:
value = int(value)
elif datatype is Real:
value = float(value)
elif datatype is Unsigned:
value = int(value)
value = datatype(value)
elif issubclass(datatype, Array) and (indx is not None):
if indx == 0:
value = Integer(value)
elif issubclass(datatype.subtype, Atomic):
value = datatype.subtype(value)
elif not isinstance(value, datatype.subtype):
raise TypeError("invalid result datatype, expecting %s" %
(datatype.subtype.__name__, ))
elif not isinstance(value, datatype):
raise TypeError("invalid result datatype, expecting %s" %
(datatype.__name__, ))
if _debug:
ReadWritePropertyConsoleCmd._debug(
" - encodeable value: %r %s", value, type(value))
# build a request
request = WritePropertyRequest(destination=self.device_address,
objectIdentifier=(obj_type,
obj_inst),
propertyIdentifier=prop_id)
#request.pduDestination = Address(addr)
# save the value
request.propertyValue = Any()
try:
request.propertyValue.cast_in(value)
except Exception as error:
ReadWritePropertyConsoleCmd._exception(
"WriteProperty cast error: %r", error)
# optional array index
if _debug:
ReadWritePropertyConsoleCmd._debug(" - request: %r",
request)
# make an IOCB
iocb = IOCB(request)
if _debug:
ReadWritePropertyConsoleCmd._debug(" - iocb: %r", iocb)
# give it to the application
this_application.request_io(iocb)
# wait for it to complete
iocb.wait()
# do something for success
if iocb.ioResponse:
# should be an ack
if not isinstance(iocb.ioResponse, SimpleAckPDU):
if _debug:
ReadWritePropertyConsoleCmd._debug(" - not an ack")
return
print(obj_inst, "ack\n")
# do something for error/reject/abort
if iocb.ioError:
print(obj_inst, str(iocb.ioError))
if _debug: ReadPointListThread._debug(" - fini")