def send_subscription(self, context):
if _debug: SubscribeCOVApplication._debug("send_subscription %r", context)
# build a request
request = SubscribeCOVRequest(
subscriberProcessIdentifier=context.subscriberProcessIdentifier,
monitoredObjectIdentifier=context.monitoredObjectIdentifier,
)
request.pduDestination = context.address
# optional parameters
if context.issueConfirmedNotifications is not None:
request.issueConfirmedNotifications = context.issueConfirmedNotifications
if context.lifetime is not None:
request.lifetime = context.lifetime
# make an IOCB
iocb = IOCB(request)
if _debug: SubscribeCOVApplication._debug(" - iocb: %r", iocb)
# callback when it is acknowledged
iocb.add_callback(self.subscription_acknowledged)
# give it to the application
this_application.request_io(iocb)
def read_object_list(self, device_id, device_addr):
if _debug:
ReadAllObjectPropertiesApplication._debug("read_object_list %r %r",
device_id, device_addr)
# create a context to hold the results
context = ObjectPropertyContext(device_id, device_addr)
# build a request for the object name
request = ReadPropertyRequest(
destination=context.device_addr,
objectIdentifier=context.device_id,
propertyIdentifier='objectList',
)
if _debug:
ReadAllObjectPropertiesApplication._debug(" - request: %r",
request)
# make an IOCB, reference the context
iocb = IOCB(request)
iocb.context = context
if _debug:
ReadAllObjectPropertiesApplication._debug(" - iocb: %r", iocb)
# let us know when its complete
iocb.add_callback(self.object_list_results)
# give it to the application
self.request_io(iocb)
def next_request(self):
if _debug: ReadPropertyApplication._debug("next_request")
global device_address, object_identifier, property_list
# check to see if we're done
if not property_list:
if _debug: ReadPropertyApplication._debug(" - done")
stop()
return
# get the next request
self.property_identifier = property_list.popleft()
if _debug:
ReadPropertyApplication._debug(" - property_identifier: %r",
self.property_identifier)
# build a request
request = ReadPropertyRequest(
destination=device_address,
objectIdentifier=object_identifier,
propertyIdentifier=self.property_identifier,
)
if _debug: ReadPropertyApplication._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
# set a callback for the response
iocb.add_callback(self.complete_request)
if _debug: ReadPropertyApplication._debug(" - iocb: %r", iocb)
# send the request
this_application.request_io(iocb)
def _discovery(self):
global device_address
# build a request
obj_type, prop_id = ('device', 'objectList')
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, self._device_id),
propertyIdentifier=prop_id,
)
request.pduSource = Address(this_device._address)
request.pduDestination = Address(int(self._addr))
request.propertyArrayIndex = self._instance_list.pop(0)
if _debug:
BacnetClientConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
# set a callback for the response
iocb.add_callback(self._discovery_response)
if _debug:
BacnetClientConsoleCmd._debug(" - iocb: %r", iocb)
# send the request
this_application.request_io(iocb)
def iam(self, destination=None):
"""
Build an IAm response. IAm are sent in response to a WhoIs request that;
matches our device ID, whose device range includes us, or is a broadcast.
Content is defined by the script (deviceId, vendor, etc...)
:returns: bool
Example::
iam()
"""
self._log.debug("do_iam")
try:
# build a response
request = self._iam_request(destination=destination)
iocb = IOCB(request) # make an IOCB
deferred(self.this_application.request_io, iocb)
iocb.wait()
return True
except Exception as error:
self._log.error("exception: {!r}".format(error))
return False
def next_request(self):
if _debug: ReadPointListApplication._debug("next_request")
# check to see if we're done
if not self.point_queue:
if _debug: ReadPointListApplication._debug(" - done")
stop()
return
# get the next request
addr, obj_type, obj_inst, prop_id = self.point_queue.popleft()
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if _debug:
ReadPointListApplication._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
# set a callback for the response
iocb.add_callback(self.complete_request)
if _debug: ReadPointListApplication._debug(" - iocb: %r", iocb)
# send the request
this_application.request_io(iocb)
def next_request(self):
# check to see if we're done
if not self.point_queue:
stop()
return
# get the next request
point_id, addr, obj_type, obj_inst, prop_id, idx = self.point_queue.popleft()
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
propertyArrayIndex=idx
)
request.pduDestination = Address(addr)
# make an IOCB
iocb = IOCB(request)
# set a callback for the response
iocb.add_callback(self.complete_request)
# send the request
self.request_io(iocb)
def _get_value_for_prop(self, prop):
request = ReadPropertyRequest(destination=self.device.source,
objectIdentifier=self.object,
propertyIdentifier=prop)
iocb = IOCB(request)
iocb.add_callback(self._got_prop, prop)
self.bacnet_adapter.request_io(iocb)
def next_request(self):
if _debug: ReadPointListApplication._debug("next_request")
# check to see if we're done
if not self.point_queue:
if _debug: ReadPointListApplication._debug(" - done")
stop()
return
# get the next request
addr, obj_type, obj_inst, prop_id = self.point_queue.popleft()
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if _debug: ReadPointListApplication._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
# set a callback for the response
iocb.add_callback(self.complete_request)
if _debug: ReadPointListApplication._debug(" - iocb: %r", iocb)
# send the request
this_application.request_io(iocb)
def read_next_object(self, context):
if _debug:
ReadObjectListApplication._debug("read_next_object %r", context)
# if there's nothing more to do, we're done
if not context._object_list_queue:
if _debug: ReadObjectListApplication._debug(" - all done")
context.completed()
return
# pop off the next object identifier
object_id = context._object_list_queue.popleft()
if _debug:
ReadObjectListApplication._debug(" - object_id: %r", object_id)
# build a request for the object name
request = ReadPropertyRequest(
destination=context.device_addr,
objectIdentifier=object_id,
propertyIdentifier='objectName',
)
if _debug:
ReadObjectListApplication._debug(" - request: %r", request)
# make an IOCB, reference the context
iocb = IOCB(request)
iocb.context = context
if _debug: ReadObjectListApplication._debug(" - iocb: %r", iocb)
# let us know when its complete
iocb.add_callback(self.object_name_results)
# give it to the application
self.request_io(iocb)
def do_request(self):
if _debug:
ReadPointListApplication._debug('do_request')
request = SubscribeCOVRequest(subscriberProcessIdentifier=1234,
monitoredObjectIdentifier=('analogInput',
0),
issueConfirmedNotifications=False,
lifetime=100)
request.pduDestination = Address('192.168.2.70')
if _debug:
ReadPointListApplication._debug(' - request: %r', request)
# make an IOCB
iocb = IOCB(request)
# set a callback for the response
# iocb.add_callback(self.complete_request)
if _debug:
ReadPointListApplication._debug(" - iocb: %r", iocb)
# send the request
this_application.request_io(iocb)
iocb.wait()
# do something for success
if iocb.ioResponse:
if _debug:
ReadPointListApplication._debug(" - response: %r",
iocb.ioResponse)
# do something for error/reject/abort
if iocb.ioError:
if _debug:
ReadPointListApplication._debug(" - error: %r",
iocb.ioError)
def _get_device_info(self):
request = ReadPropertyRequest(destination=self.source,
objectIdentifier=self.id,
propertyIdentifier='objectName')
iocb = IOCB(request)
iocb.add_callback(self._got_object_name)
self.bacnet_adapter.request_io(iocb)
def _get_new_sensors_for_new_device(self, source, device_id):
request = ReadPropertyRequest(destination=source,
objectIdentifier=device_id,
propertyIdentifier="objectList")
iocb = IOCB(request)
iocb.add_callback(self._got_sensors_for_device)
self.bacnet_adapter.request_io(iocb)
def do_save(self, args):
"""save <addr> <device instance>"""
args = args.split()
if _debug: SaveToFlashConsoleCmd._debug("do_save %r", args)
try:
addr, obj_inst = args[:2]
# object type = 8 (device). property = 1151 (SaveToFlash)
obj_type = 8
obj_inst = int(obj_inst)
prop_id = 1151
# build a request
request = WritePropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if len(args) == 5:
request.propertyArrayIndex = int(args[4])
# send an Enumerated value of 1 means SaveToFlash
tag_list = TagList([ApplicationTag(9, xtob('01'))])
if _debug:
SaveToFlashConsoleCmd._debug(" - tag_list: %r", tag_list)
# stuff the tag list into an Any
request.propertyValue = Any()
request.propertyValue.decode(tag_list)
if _debug:
SaveToFlashConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: SaveToFlashConsoleCmd._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: SaveToFlashConsoleCmd._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:
SaveToFlashConsoleCmd._exception("exception: %r", error)
def __init__(self, *args):
BIPSimpleApplication.__init__(Mock())
self.elementService = Mock()
#self.ResponseQueue = Mock()
#self.ResponseQueue.get.return_value = ([21, 'degreesCelcius'], Event())
iocb = IOCB()
apdu = ReadPropertyMultipleACK(listOfReadAccessResults=[
ReadAccessResult(
objectIdentifier=('analogValue', 1),
listOfResults=[
ReadAccessResultElement(
propertyIdentifier='presentValue',
readResult=ReadAccessResultElementChoice(
propertyValue=Any(Real(21.0)), )),
ReadAccessResultElement(
propertyIdentifier='units',
readResult=ReadAccessResultElementChoice(
propertyValue=Any(Enumerated(62)), )),
],
)
])
iocb.complete(apdu)
self.request = Mock()
self.request.return_value = iocb
def _get_prop_for_obj(self, obj_id):
request = ReadPropertyRequest(destination=self.device.source,
objectIdentifier=obj_id,
propertyIdentifier='propertyList')
iocb = IOCB(request)
iocb.add_callback(self._got_properties_for_object, obj_id)
self.bacnet_adapter.request_io(iocb)
def read_prop_vendor(self):
#get bacnet source pdu from point_list array. point_list has been override by next_request method
addr = point_list[0][0]
obj_type = self.obj
obj_inst = self.inst
prop_id = self.prop
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=int(prop_id),
)
request.pduDestination = Address(addr)
request.propertyArrayIndex = self.idx
#if _debug: ReadPropertyAnyConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
#if _debug: ReadPropertyAnyConsoleCmd._debug(" - iocb: %r", iocb)
# set a callback for the response
iocb.add_callback(self.prop_vendor_ack)
# give it to the application
this_application.request_io(iocb)
def whois(self, *args, global_broadcast=False):
"""
Build a WhoIs request
:param args: string built as [ <addr>] [ <lolimit> <hilimit> ] **optional**
:returns: discoveredDevices as a defaultdict(int)
Example::
whois(global_broadcast=True) # WhoIs broadcast globally. Every device will respond with an IAm
whois('2:5') # WhoIs looking for the device at (Network 2, Address 5)
whois('10 1000') # WhoIs looking for devices in the ID range (10 - 1000)
"""
if not self._started:
raise ApplicationNotStarted(
"BACnet stack not running - use startApp()")
if args:
args = args[0].split()
msg = args if args else "any"
self._log.debug("do_whois {!r}".format(msg))
# build a request
request = WhoIsRequest()
if (len(args) == 1) or (len(args) == 3):
request.pduDestination = Address(args[0])
del args[0]
else:
if global_broadcast:
request.pduDestination = GlobalBroadcast()
else:
request.pduDestination = LocalBroadcast()
if len(args) == 2:
try:
request.deviceInstanceRangeLowLimit = int(args[0])
request.deviceInstanceRangeHighLimit = int(args[1])
except ValueError:
pass
self._log.debug("{:>12} {}".format("- request:", request))
iocb = IOCB(request) # make an IOCB
self.this_application._last_i_am_received = []
# pass to the BACnet stack
deferred(self.this_application.request_io, iocb)
iocb.wait() # Wait for BACnet response
if iocb.ioResponse: # successful response
apdu = iocb.ioResponse
if iocb.ioError: # unsuccessful: error/reject/abort
pass
time.sleep(3)
self.discoveredDevices = self.this_application.i_am_counter
return self.this_application._last_i_am_received
def get_object_list(self):
request = ReadPropertyRequest(destination=self.source,
objectIdentifier=self.id,
propertyIdentifier="objectList")
iocb = IOCB(request)
iocb.add_callback(self._got_object_list)
self.bacnet_adapter.request_io(iocb)
def prepare(self):
if _debug: SomethingToDo._debug("prepare(%d)", self.args[0])
# build an IOCB and add the completion callback
iocb = IOCB(*self.args, **self.kwargs)
iocb.add_callback(self.complete)
if _debug: SomethingToDo._debug(" - iocb: %r", iocb)
return iocb
def do_saverl(self, args):
"""saverl <addr> <inst>"""
args = args.split()
if _debug: EventNotificationConsoleCmd._debug("do_saverl %r", args)
global saved_recipent_list
try:
addr, obj_inst = args
obj_inst = int(obj_inst)
# build a request
request = ReadPropertyRequest(
objectIdentifier=('notificationClass', obj_inst),
propertyIdentifier='recipientList',
)
request.pduDestination = Address(addr)
# make an IOCB
iocb = IOCB(request)
if _debug:
EventNotificationConsoleCmd._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 error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
# do something for success
elif iocb.ioResponse:
apdu = iocb.ioResponse
# should be an ack
if not isinstance(apdu, ReadPropertyACK):
if _debug:
EventNotificationConsoleCmd._debug(" - not an ack")
return
# turn the property tag list blob into a list of destinations
saved_recipent_list = apdu.propertyValue.cast_out(
ListOfDestination)
for destination in saved_recipent_list:
destination.debug_contents(file=sys.stdout)
# do something with nothing?
else:
if _debug:
EventNotificationConsoleCmd._debug(
" - ioError or ioResponse expected")
except Exception as error:
EventNotificationConsoleCmd._exception("exception: %r", error)
def run(self):
if _debug: ReadPointListThread._debug("run")
global this_application
# loop through the points
for obj_id, prop_id in self.point_list:
obj_id = ObjectIdentifier(obj_id).value
# build a request
request = ReadPropertyRequest(
destination=self.device_address,
objectIdentifier=obj_id,
propertyIdentifier=prop_id,
)
if _debug: ReadPointListThread._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: ReadPointListThread._debug(" - iocb: %r", iocb)
# give it to the application
deferred(this_application.request_io, iocb)
# wait for the response
iocb.wait()
if iocb.ioResponse:
apdu = iocb.ioResponse
# find the datatype
datatype = get_datatype(apdu.objectIdentifier[0],
apdu.propertyIdentifier)
if _debug:
ReadPointListThread._debug(" - datatype: %r", datatype)
if not datatype:
raise TypeError("unknown datatype")
# special case for array parts, others are managed by cast_out
if issubclass(datatype, Array) and (apdu.propertyArrayIndex
is not None):
if apdu.propertyArrayIndex == 0:
value = apdu.propertyValue.cast_out(Unsigned)
else:
value = apdu.propertyValue.cast_out(datatype.subtype)
else:
value = apdu.propertyValue.cast_out(datatype)
if _debug: ReadPointListThread._debug(" - value: %r", value)
# save the value
self.response_values.append(value)
if iocb.ioError:
if _debug:
ReadPointListThread._debug(" - error: %r", iocb.ioError)
self.response_values.append(iocb.ioError)
if _debug: ReadPointListThread._debug(" - fini")
def send_cov_subscription(self, request):
self._log.debug("Request : {}".format(request))
iocb = IOCB(request)
self._log.debug("IOCB : {}".format(iocb))
iocb.add_callback(self.subscription_acknowledged)
# pass to the BACnet stack
deferred(self.this_application.request_io, iocb)
def do_dcc(self, args):
"""dcc <addr> [ <duration> ] <enable> [ <password> ]"""
args = args.split()
if _debug: DCCConsoleCmd._debug("do_dcc %r", args)
try:
addr = args[0]
if len(args) == 2:
enable_disable = args[1]
time_duration = password = None
elif len(args) == 3:
if args[1].isdigit():
time_duration = int(args[1])
enable_disable = args[2]
password = None
else:
time_duration = None
enable_disable = args[1]
password = args[2]
else:
time_duration = int(args[1])
enable_disable = args[2]
password = args[3]
# build a request
request = DeviceCommunicationControlRequest(
enableDisable=enable_disable,
)
request.pduDestination = Address(addr)
if time_duration is not None:
request.timeDuration = time_duration
if password is not None:
request.password = password
if _debug: DCCConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: DCCConsoleCmd._debug(" - iocb: %r", iocb)
# give it to the application
this_application.request_io(iocb)
# wait for it to complete
iocb.wait()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
else:
if _debug: DCCConsoleCmd._debug(" - ack")
except Exception as error:
DCCConsoleCmd._exception("exception: %r", error)
def main():
# parse the command line arguments
args = ArgumentParser(description=__doc__).parse_args()
if _debug: _log.debug("initialization")
if _debug: _log.debug(" - args: %r", args)
# create a controller
some_controller = SomeController()
if _debug: _log.debug(" - some_controller: %r", some_controller)
# test set
tests = [
((
1,
2,
), {
'a': 3
}),
((
4,
5,
), {}),
((6, ), {
'a': 7
}),
]
for test_args, test_kwargs in tests:
print("test_args, test_kwargs: %r, %r" % (test_args, test_kwargs))
# create a request with some args and kwargs
iocb = IOCB(*test_args, **test_kwargs)
# add a callback function , called when the request has been processed
iocb.add_callback(call_me)
# give the request to the controller
some_controller.request_io(iocb)
# wait for the request to be processed
iocb.ioComplete.wait()
if _debug: _log.debug(" - iocb: %r", iocb)
# dump the contents
print("iocb completion event set: %r" % (iocb.ioComplete.is_set(), ))
print("")
print("iocb successful: %r" % (iocb.ioState == COMPLETED, ))
print("iocb response: %r" % (iocb.ioResponse, ))
print("")
print("iocb aborted: %r" % (iocb.ioState == ABORTED, ))
print("iocb error: %r" % (iocb.ioError, ))
print("")
def read_next_object_properties(self, context):
if _debug:
ReadAllObjectPropertiesApplication._debug("read_next_object %r",
context)
# if there's nothing more to do, we're done
if all([
len(context.properties_dict_queue[element]) == 0
for element in context.properties_dict_queue
]):
if _debug:
ReadAllObjectPropertiesApplication._debug(" - all done")
context.completed()
return
# pop off the next object identifier
if context.current_object_id is None or len(
context.properties_dict_queue[context.current_object_id]) == 0:
context.current_object_id = context._object_list_queue.popleft()
context.property_result_dict.update({
context.current_object_id[0] + str(context.current_object_id[1]):
dict()
})
context.current_property = context.properties_dict_queue[
context.current_object_id].popleft()
if _debug:
ReadAllObjectPropertiesApplication._debug(
" - object_id: %r", context.current_object_id)
# build a request for the object name
request = ReadPropertyRequest(
destination=context.device_addr,
objectIdentifier=context.current_object_id,
propertyIdentifier=context.current_property[0],
)
if _debug:
ReadAllObjectPropertiesApplication._debug(" - request: %r",
request)
# make an IOCB, reference the context
iocb = IOCB(request)
iocb.context = context
if _debug:
ReadAllObjectPropertiesApplication._debug(" - iocb: %r", iocb)
# let us know when its complete
iocb.add_callback(self.object_properties_results)
# give it to the application
self.request_io(iocb)
def do_IAmRequest(self, apdu):
"""Do something with incoming I-Am requests."""
if _debug: DiscoveryApplication._debug("do_IAmRequest %r", apdu)
# check for required parameters
if apdu.iAmDeviceIdentifier is None:
raise MissingRequiredParameter("iAmDeviceIdentifier required")
if apdu.maxAPDULengthAccepted is None:
raise MissingRequiredParameter("maxAPDULengthAccepted required")
if apdu.segmentationSupported is None:
raise MissingRequiredParameter("segmentationSupported required")
if apdu.vendorID is None:
raise MissingRequiredParameter("vendorID required")
# extract the device instance number
device_instance = apdu.iAmDeviceIdentifier[1]
if _debug:
DiscoveryApplication._debug(" - device_instance: %r",
device_instance)
# extract the source address
device_address = apdu.pduSource
if _debug:
DiscoveryApplication._debug(" - device_address: %r",
device_address)
# we didn't request anything yet
if not self.who_is_request:
return
if (self.who_is_request.deviceInstanceRangeLowLimit is not None) and \
(device_instance < self.who_is_request.deviceInstanceRangeLowLimit):
pass
elif (self.who_is_request.deviceInstanceRangeHighLimit is not None) and \
(device_instance > self.who_is_request.deviceInstanceRangeHighLimit):
pass
else:
# build a request for the object name
request = ReadPropertyRequest(
destination=apdu.pduSource,
objectIdentifier=apdu.iAmDeviceIdentifier,
propertyIdentifier='objectName',
)
# make an IOCB
iocb = IOCB(request)
if _debug: DiscoveryApplication._debug(" - iocb: %r", iocb)
# let us know when its complete
iocb.add_callback(self.device_discovered)
# give it to the application
self.request_io(iocb)
def dcc(self, address=None, duration=None, password=None, state=None):
"""
Will send DeviceCommunicationControl request
"""
if not self._started:
raise ApplicationNotStarted(
"BACnet stack not running - use startApp()")
if not address:
raise ValueError("Provide address for request")
if not state:
raise ValueError(
"Provide state ('enable', 'disable', 'disableInitiation'")
# build a request
request = DeviceCommunicationControlRequest()
request.enableDisable = DeviceCommunicationControlRequestEnableDisable.enumerations[
state]
request.pduDestination = Address(address)
if duration:
request.duration = Unsigned16(duration)
request.password = CharacterString(password)
self._log.debug("{:>12} {}".format("- request:", request))
iocb = IOCB(request) # make an IOCB
# pass to the BACnet stack
deferred(self.this_application.request_io, iocb)
# Unconfirmed request...so wait until complete
iocb.wait() # Wait for BACnet response
if iocb.ioResponse: # successful response
apdu = iocb.ioResponse
if not isinstance(apdu, SimpleAckPDU): # expect an ACK
self._log.warning("Not an ack, see debug for more infos.")
self._log.debug("Not an ack. | APDU : {} / {}".format(
(apdu, type(apdu))))
return
if iocb.ioError: # unsuccessful: error/reject/abort
apdu = iocb.ioError
reason = find_reason(apdu)
raise NoResponseFromController(
"APDU Abort Reason : {}".format(reason))
self._log.info(
"DeviceCommunicationControl request sent to device : {}".format(
address))
def run(self):
if _debug: ReadPointListThread._debug("run")
global this_application
# loop through the points
for addr, obj_type, obj_inst, prop_id in self.point_queue:
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if _debug: ReadPointListThread._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: ReadPointListThread._debug(" - iocb: %r", iocb)
# give it to the application
this_application.request_io(iocb)
# wait for the response
iocb.wait()
if iocb.ioResponse:
apdu = iocb.ioResponse
# find the datatype
datatype = get_datatype(apdu.objectIdentifier[0], apdu.propertyIdentifier)
if _debug: ReadPointListThread._debug(" - datatype: %r", datatype)
if not datatype:
raise TypeError("unknown datatype")
# special case for array parts, others are managed by cast_out
if issubclass(datatype, Array) and (apdu.propertyArrayIndex is not None):
if apdu.propertyArrayIndex == 0:
value = apdu.propertyValue.cast_out(Unsigned)
else:
value = apdu.propertyValue.cast_out(datatype.subtype)
else:
value = apdu.propertyValue.cast_out(datatype)
if _debug: ReadPointListThread._debug(" - value: %r", value)
# save the value
self.response_values.append(value)
if iocb.ioError:
if _debug: ReadPointListThread._debug(" - error: %r", iocb.ioError)
self.response_values.append(iocb.ioError)
# done
stop()
def send_request( target_args, app ):
# build a request
request = ReadPropertyRequest(
objectIdentifier=( target_args['type'], target_args['instance'] ),
propertyIdentifier=target_args['property']
)
request.pduDestination = Address( target_args['address'] )
# make an IOCB
iocb = IOCB( request )
# give it to the application
app.request_io( iocb )
# wait for it to complete
iocb.wait()
# Handle completion: error, success, neither
if iocb.ioError:
# Error
success = False
message = str( iocb.ioError )
result = ''
elif iocb.ioResponse:
# Success
success = True
message = ''
# Get the response PDU
apdu = iocb.ioResponse
# Extract the returned value
datatype = get_datatype( apdu.objectIdentifier[0], apdu.propertyIdentifier )
if issubclass( datatype, Array ) and (apdu.propertyArrayIndex is not None):
if apdu.propertyArrayIndex == 0:
result = apdu.propertyValue.cast_out( Unsigned )
else:
result = apdu.propertyValue.cast_out( datatype.subtype )
else:
result = apdu.propertyValue.cast_out( datatype )
else:
# Neither
success = False
message = 'Request terminated unexpectedly'
result = ''
rsp = { target_args['property']: result }
return success, message, rsp
def whois(self, *args):
"""
Build a WhoIs request
:param args: string built as [ <addr>] [ <lolimit> <hilimit> ] **optional**
:returns: discoveredDevices as a defaultdict(int)
Example::
whois() # WhoIs broadcast globally. Every device will respond with an IAm
whois('2:5') # WhoIs looking for the device at (Network 2, Address 5)
whois('10 1000') # WhoIs looking for devices in the ID range (10 - 1000)
"""
if not self._started:
raise ApplicationNotStarted("BACnet stack not running - use startApp()")
if args:
args = args[0].split()
msg = args if args else "any"
self._log.debug("do_whois {!r}".format(msg))
# build a request
request = WhoIsRequest()
if (len(args) == 1) or (len(args) == 3):
request.pduDestination = Address(args[0])
del args[0]
else:
request.pduDestination = GlobalBroadcast()
if len(args) == 2:
request.deviceInstanceRangeLowLimit = int(args[0])
request.deviceInstanceRangeHighLimit = int(args[1])
self._log.debug("{:>12} {}".format("- request:", request))
iocb = IOCB(request) # make an IOCB
# pass to the BACnet stack
self.this_application.request_io(iocb)
iocb.wait() # Wait for BACnet response
if iocb.ioResponse: # successful response
apdu = iocb.ioResponse
if iocb.ioError: # unsuccessful: error/reject/abort
pass
self.discoveredDevices = self.this_application.i_am_counter
return self.discoveredDevices
def got_new_device_who_is_response(self, apdu):
# first check that this new device is one we actually care about (some times we get whois responses from other devices, even though the request was targeted to a specific ip rather than a global address)
if not str(apdu.pduSource) in self.devices:
print "got who is response from a device we don't care about"
return
# now we need to get the device name using the identifier we just got
request = ReadPropertyRequest(
destination=apdu.pduSource,
objectIdentifier=apdu.iAmDeviceIdentifier,
propertyIdentifier='objectName')
iocb = IOCB(request)
iocb.add_callback(self._got_device_object_name,
apdu.iAmDeviceIdentifier)
self.bacnet_adapter.request_io(iocb)
def read(self,pduSource,obj_id,key,device,read=None):
#function.log('request',pduSource,obj_id,key,device)
if isinstance(obj_id,str):
obj_id=obj_id.split(':')
obj_id[1]=int(obj_id[1])
request=ReadPropertyRequest(
objectIdentifier=tuple(obj_id),
propertyIdentifier=key,
destination=RemoteStation(pduSource[0] or 0,bytearray(pduSource[1]))
)
iocb = IOCB(request)
iocb.context=device,key
iocb.add_callback(read or self.readBack)
self.request_io(iocb)
def write(self, args, vendor_id=0):
""" Build a WriteProperty request, wait for an answer, and return status [True if ok, False if not].
:param args: String with <addr> <type> <inst> <prop> <value> [ <indx> ] [ <priority> ]
:returns: data read from device (str representing data like 10 or True)
*Example*::
import BAC0
myIPAddr = '192.168.1.10'
bacnet = BAC0.ReadWriteScript(localIPAddr = myIPAddr)
bacnet.write('2:5 analogValue 1 presentValue 100')
Direct the controller at (Network 2, address 5) to write 100 to the presentValues of
its analogValue 1 (AV:1)
"""
if not self._started:
raise ApplicationNotStarted("BACnet stack not running - use startApp()")
args = args.split()
self.log_title("Write property", args)
try:
# build a WriteProperty request
iocb = IOCB(self.build_wp_request(args, vendor_id=vendor_id))
# pass to the BACnet stack
deferred(self.this_application.request_io, iocb)
self._log.debug("{:<20} {!r}".format("iocb", iocb))
except WritePropertyException as error:
# construction error
self._log.exception("exception: {!r}".format(error))
iocb.wait() # Wait for BACnet response
if iocb.ioResponse: # successful response
apdu = iocb.ioResponse
if not isinstance(iocb.ioResponse, SimpleAckPDU): # expect an ACK
self._log.warning("Not an ack, see debug for more infos.")
self._log.debug(
"Not an ack. | APDU : {} / {}".format((apdu, type(apdu)))
)
return
if iocb.ioError: # unsuccessful: error/reject/abort
raise NoResponseFromController()
def do_write(self, args):
"""write <addr> <unitID> <register> <value>
:param addr: IP address of the MODBUS/TCP device or gateway
:param unitID: unit identifier
:param register: register in 5-digit or 6-digit format
:param value: value to write
This command generates a :class:`WriteSingleCoil`,
or :class:`WriteSingleRegisterRequest` depending on the address
prefix; 0 or 4.
"""
args = args.split()
if _debug: ConsoleClient._debug("do_write %r", args)
if (len(args) < 3):
print("address, unit and register required")
return
# get the address and unit
addr, unitID, register, value = args
# address might have a port
if ':' in addr:
addr, port = addr.split(':')
server_address = (addr, int(port))
else:
server_address = (addr, 502)
# unit identifier
unitID = int(unitID)
if _debug: ConsoleClient._debug(" - addr, unitID: %r, %r", server_address, unitID)
# get the register and count
register = int(register)
if _debug: ConsoleClient._debug(" - register: %r", register)
# decode the register into a type
digits = int(math.log10(register)) + 1
if digits <= 4:
# must be a coil
registerType = 0
elif digits == 5:
registerType = register // 10000
register = register % 10000
elif digits == 6:
registerType = register // 100000
register = register % 100000
else:
print("5 or 6 digit addresses please")
return
if _debug: ConsoleClient._debug(" - registerType, register: %r, %r", registerType, register)
# value
value = int(value)
if _debug: ConsoleClient._debug(" - value: %r", value)
# build a request
if registerType == 0:
# coil
req = WriteSingleCoilRequest(register - 1, value)
elif registerType == 4:
# holding register
req = WriteSingleRegisterRequest(register - 1, value)
else:
print("unsupported register type")
return
# set the destination
req.pduDestination = server_address
req.mpduUnitID = unitID
if _debug: ConsoleClient._debug(" - req: %r", req)
# make an IOCB
iocb = IOCB(req)
if _debug: ConsoleClient._debug(" - iocb: %r", iocb)
# submit the request via the main thread
deferred(self.controller.request_io, iocb)
# wait for the response
iocb.wait()
# exceptions
if iocb.ioError:
print("error: %r" % (iocb.ioError,))
return
# extract the response
resp = iocb.ioResponse
if _debug: ConsoleClient._debug(" - resp: %r", resp)
# write responses
if isinstance(iocb.ioResponse, WriteSingleCoilResponse):
print(" ::= " + str(iocb.ioResponse.value))
elif isinstance(iocb.ioResponse, WriteSingleRegisterResponse):
print(" ::= " + str(iocb.ioResponse.value))
else:
raise TypeError("unsupported response")
def do_read(self, args):
"""read <addr> <unitID> <register> [ <count> ]
:param addr: IP address of the MODBUS/TCP device or gateway
:param unitID: unit identifier
:param register: register in 5-digit or 6-digit format
:param count: number of registers to read, defaults to one
This command generates a :class:`ReadCoilsRequest`,
:class:`ReadDiscreteInputsRequest`, :class:`ReadInputRegistersRequest`,
or :class:`ReadMultipleRegistersRequest` depending on the address
prefix; 0, 1, 3, or 4.
"""
args = args.split()
if _debug: ConsoleClient._debug("do_read %r", args)
if (len(args) < 3):
print("address, unit and register required")
return
# get the address and unit, and register
addr, unitID, register = args[:3]
# address might have a port
if ':' in addr:
addr, port = addr.split(':')
server_address = (addr, int(port))
else:
server_address = (addr, 502)
# unit identifier
unitID = int(unitID)
if _debug: ConsoleClient._debug(" - addr, unitID: %r, %r", addr, unitID)
# get the register and count
register = int(register)
if len(args) == 4:
rcount = int(args[3])
else:
rcount = 1
if _debug: ConsoleClient._debug(" - register, rcount: %r, %r", register, rcount)
# decode the register into a type
digits = int(math.log10(register)) + 1
if digits <= 4:
# must be a coil
registerType = 0
elif digits == 5:
registerType = register // 10000
register = register % 10000
elif digits == 6:
registerType = register // 100000
register = register % 100000
else:
print("5 or 6 digit addresses please")
return
if _debug: ConsoleClient._debug(" - registerType, register: %r, %r", registerType, register)
# build a request
if registerType == 0:
# coil
req = ReadCoilsRequest(register - 1, rcount)
elif registerType == 1:
# discrete inputs
req = ReadDiscreteInputsRequest(register - 1, rcount)
elif registerType == 3:
# input register
req = ReadInputRegistersRequest(register - 1, rcount)
elif registerType == 4:
# holding register
req = ReadMultipleRegistersRequest(register - 1, rcount)
else:
print("unsupported register type")
return
# set the destination
req.pduDestination = server_address
req.mpduUnitID = unitID
if _debug: ConsoleClient._debug(" - req: %r", req)
# make an IOCB
iocb = IOCB(req)
if _debug: ConsoleClient._debug(" - iocb: %r", iocb)
# submit the request via the main thread
deferred(self.controller.request_io, iocb)
# wait for the response
iocb.wait()
# exceptions
if iocb.ioError:
print("error: %r" % (iocb.ioError,))
return
# extract the response
resp = iocb.ioResponse
if _debug: ConsoleClient._debug(" - resp: %r", resp)
# read responses
if isinstance(resp, ExceptionResponse):
print(" ::= " + str(resp))
elif isinstance(resp, ReadCoilsResponse):
print(" ::= " + str(resp.bits))
elif isinstance(resp, ReadDiscreteInputsResponse):
print(" ::= " + str(resp.bits))
elif isinstance(resp, ReadInputRegistersResponse):
print(" ::= " + str(resp.registers))
for dtype, codec in ModbusStruct.items():
try:
value = codec.unpack(resp.registers)
print(" " + dtype + " ::= " + str(value))
except Exception as err:
if _debug: ConsoleClient._debug("unpack exception %r: %r", codec, err)
elif isinstance(resp, ReadMultipleRegistersResponse):
print(" ::= " + str(resp.registers))
for dtype, codec in ModbusStruct.items():
try:
value = codec.unpack(resp.registers)
print(" " + dtype + " ::= " + str(value))
except Exception as err:
if _debug: ConsoleClient._debug("unpack exception %r: %r", codec, err)
else:
raise TypeError("unsupported response")
def do_read(self, args):
"""read <addr> ( <type> <inst> ( <prop> [ <indx> ] )... )..."""
args = args.split()
if _debug: ReadPropertyMultipleConsoleCmd._debug("do_read %r", args)
try:
i = 0
addr = args[i]
i += 1
read_access_spec_list = []
while i < len(args):
obj_type = args[i]
i += 1
if obj_type.isdigit():
obj_type = int(obj_type)
elif not get_object_class(obj_type):
raise ValueError("unknown object type")
obj_inst = int(args[i])
i += 1
prop_reference_list = []
while i < len(args):
prop_id = args[i]
if prop_id not in PropertyIdentifier.enumerations:
break
i += 1
if prop_id in ('all', 'required', 'optional'):
pass
else:
datatype = get_datatype(obj_type, prop_id)
if not datatype:
raise ValueError("invalid property for object type")
# build a property reference
prop_reference = PropertyReference(
propertyIdentifier=prop_id,
)
# check for an array index
if (i < len(args)) and args[i].isdigit():
prop_reference.propertyArrayIndex = int(args[i])
i += 1
# add it to the list
prop_reference_list.append(prop_reference)
# check for at least one property
if not prop_reference_list:
raise ValueError("provide at least one property")
# build a read access specification
read_access_spec = ReadAccessSpecification(
objectIdentifier=(obj_type, obj_inst),
listOfPropertyReferences=prop_reference_list,
)
# add it to the list
read_access_spec_list.append(read_access_spec)
# check for at least one
if not read_access_spec_list:
raise RuntimeError("at least one read access specification required")
# build the request
request = ReadPropertyMultipleRequest(
listOfReadAccessSpecs=read_access_spec_list,
)
request.pduDestination = Address(addr)
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: ReadPropertyMultipleConsoleCmd._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:
apdu = iocb.ioResponse
# should be an ack
if not isinstance(apdu, ReadPropertyMultipleACK):
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - not an ack")
return
# loop through the results
for result in apdu.listOfReadAccessResults:
# here is the object identifier
objectIdentifier = result.objectIdentifier
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - objectIdentifier: %r", objectIdentifier)
# now come the property values per object
for element in result.listOfResults:
# get the property and array index
propertyIdentifier = element.propertyIdentifier
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - propertyIdentifier: %r", propertyIdentifier)
propertyArrayIndex = element.propertyArrayIndex
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - propertyArrayIndex: %r", propertyArrayIndex)
# here is the read result
readResult = element.readResult
sys.stdout.write(propertyIdentifier)
if propertyArrayIndex is not None:
sys.stdout.write("[" + str(propertyArrayIndex) + "]")
# check for an error
if readResult.propertyAccessError is not None:
sys.stdout.write(" ! " + str(readResult.propertyAccessError) + '\n')
else:
# here is the value
propertyValue = readResult.propertyValue
# find the datatype
datatype = get_datatype(objectIdentifier[0], propertyIdentifier)
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - datatype: %r", datatype)
if not datatype:
raise TypeError("unknown datatype")
# special case for array parts, others are managed by cast_out
if issubclass(datatype, Array) and (propertyArrayIndex is not None):
if propertyArrayIndex == 0:
value = propertyValue.cast_out(Unsigned)
else:
value = propertyValue.cast_out(datatype.subtype)
else:
value = propertyValue.cast_out(datatype)
if _debug: ReadPropertyMultipleConsoleCmd._debug(" - value: %r", value)
sys.stdout.write(" = " + str(value) + '\n')
sys.stdout.flush()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
except Exception as error:
ReadPropertyMultipleConsoleCmd._exception("exception: %r", error)
def do_read(self, args):
"""read <addr> <type> <inst> <prop> [ <indx> ]"""
args = args.split()
if _debug: ReadPropertyConsoleCmd._debug("do_read %r", args)
try:
addr, obj_type, obj_inst, prop_id = args[:4]
if obj_type.isdigit():
obj_type = int(obj_type)
elif not get_object_class(obj_type):
raise ValueError("unknown object type")
obj_inst = int(obj_inst)
datatype = get_datatype(obj_type, prop_id)
if not datatype:
raise ValueError("invalid property for object type")
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if len(args) == 5:
request.propertyArrayIndex = int(args[4])
if _debug: ReadPropertyConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: ReadPropertyConsoleCmd._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:
apdu = iocb.ioResponse
# should be an ack
if not isinstance(apdu, ReadPropertyACK):
if _debug: ReadPropertyConsoleCmd._debug(" - not an ack")
return
# find the datatype
datatype = get_datatype(apdu.objectIdentifier[0], apdu.propertyIdentifier)
if _debug: ReadPropertyConsoleCmd._debug(" - datatype: %r", datatype)
if not datatype:
raise TypeError("unknown datatype")
# special case for array parts, others are managed by cast_out
if issubclass(datatype, Array) and (apdu.propertyArrayIndex is not None):
if apdu.propertyArrayIndex == 0:
value = apdu.propertyValue.cast_out(Unsigned)
else:
value = apdu.propertyValue.cast_out(datatype.subtype)
else:
value = apdu.propertyValue.cast_out(datatype)
if _debug: ReadPropertyConsoleCmd._debug(" - value: %r", value)
sys.stdout.write(str(value) + '\n')
if hasattr(value, 'debug_contents'):
value.debug_contents(file=sys.stdout)
sys.stdout.flush()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
except Exception, error:
ReadPropertyConsoleCmd._exception("exception: %r", error)
def read(self, args, arr_index=None, vendor_id=0, bacoid=None):
"""
Build a ReadProperty request, wait for the answer and return the value
:param args: String with <addr> <type> <inst> <prop> [ <indx> ]
:returns: data read from device (str representing data like 10 or True)
*Example*::
import BAC0
myIPAddr = '192.168.1.10/24'
bacnet = BAC0.connect(ip = myIPAddr)
bacnet.read('2:5 analogInput 1 presentValue')
Requests the controller at (Network 2, address 5) for the presentValue of
its analog input 1 (AI:1).
"""
if not self._started:
raise ApplicationNotStarted("BACnet stack not running - use startApp()")
args_split = args.split()
self.log_title("Read property", args_split)
vendor_id = vendor_id
bacoid = bacoid
try:
# build ReadProperty request
iocb = IOCB(
self.build_rp_request(
args_split, arr_index=arr_index, vendor_id=vendor_id, bacoid=bacoid
)
)
# pass to the BACnet stack
deferred(self.this_application.request_io, iocb)
self._log.debug("{:<20} {!r}".format("iocb", iocb))
except ReadPropertyException as error:
# construction error
self._log.exception("exception: {!r}".format(error))
iocb.wait() # Wait for BACnet response
if iocb.ioResponse: # successful response
apdu = iocb.ioResponse
if not isinstance(apdu, ReadPropertyACK): # expecting an ACK
self._log.warning("Not an ack, see debug for more infos.")
self._log.debug(
"Not an ack. | APDU : {} / {}".format((apdu, type(apdu)))
)
return
# find the datatype
datatype = get_datatype(
apdu.objectIdentifier[0], apdu.propertyIdentifier, vendor_id=vendor_id
)
if not datatype:
raise TypeError("unknown datatype")
# special case for array parts, others are managed by cast_out
if issubclass(datatype, Array) and (apdu.propertyArrayIndex is not None):
if apdu.propertyArrayIndex == 0:
value = apdu.propertyValue.cast_out(Unsigned)
else:
value = apdu.propertyValue.cast_out(datatype.subtype)
else:
value = apdu.propertyValue.cast_out(datatype)
self._log.debug("{:<20} {:<20}".format("value", "datatype"))
self._log.debug("{!r:<20} {!r:<20}".format(value, datatype))
return value
if iocb.ioError: # unsuccessful: error/reject/abort
apdu = iocb.ioError
reason = find_reason(apdu)
if reason == "segmentationNotSupported":
self._log.warning(
"Segmentation not supported... will read properties one by one..."
)
self._log.debug("The Request was : {}".format(args_split))
value = self._split_the_read_request(args, arr_index)
return value
else:
if reason == "unknownProperty":
# if "priorityArray" in args:
# self._log.debug("Unknown property {}".format(args))
# else:
# self._log.warning("Unknown property {}".format(args))
if "description" in args:
return "Not Implemented"
elif "inactiveText" in args:
return "Off"
elif "activeText" in args:
return "On"
else:
raise UnknownPropertyError("Unknown property {}".format(args))
elif reason == "unknownObject":
self._log.warning("Unknown object {}".format(args))
raise UnknownObjectError("Unknown object {}".format(args))
else:
# Other error... consider NoResponseFromController (65)
# even if the realy reason is another one
raise NoResponseFromController(
"APDU Abort Reason : {}".format(reason)
)
def do_write(self, args):
"""write <addr> <type> <inst> <prop> [ <indx> ]"""
args = args.split()
if _debug: WriteSomethingConsoleCmd._debug("do_write %r", args)
try:
addr, obj_type, obj_inst, prop_id = args[:4]
obj_type = int(obj_type)
obj_inst = int(obj_inst)
prop_id = int(prop_id)
# build a request
request = WritePropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if len(args) == 5:
request.propertyArrayIndex = int(args[4])
# build a custom datastructure
tag_list = TagList([
OpeningTag(1),
ContextTag(0, xtob('9c40')),
ContextTag(1, xtob('02')),
ContextTag(2, xtob('02')),
ClosingTag(1)
])
if _debug: WriteSomethingConsoleCmd._debug(" - tag_list: %r", tag_list)
# stuff the tag list into an Any
request.propertyValue = Any()
request.propertyValue.decode(tag_list)
if _debug: WriteSomethingConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: WriteSomethingConsoleCmd._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: WriteSomethingConsoleCmd._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:
WriteSomethingConsoleCmd._exception("exception: %r", error)
def do_subscribe(self, args):
"""subscribe addr proc_id obj_type obj_inst [ confirmed ] [ lifetime ]
Generate a SubscribeCOVRequest and wait for the response.
"""
args = args.split()
if _debug: SubscribeCOVConsoleCmd._debug("do_subscribe %r", args)
try:
addr, proc_id, obj_type, obj_inst = args[:4]
proc_id = int(proc_id)
if obj_type.isdigit():
obj_type = int(obj_type)
elif not get_object_class(obj_type):
raise ValueError("unknown object type")
obj_inst = int(obj_inst)
if len(args) >= 5:
issue_confirmed = args[4]
if issue_confirmed == '-':
issue_confirmed = None
else:
issue_confirmed = issue_confirmed.lower() == 'true'
if _debug: SubscribeCOVConsoleCmd._debug(" - issue_confirmed: %r", issue_confirmed)
else:
issue_confirmed = None
if len(args) >= 6:
lifetime = args[5]
if lifetime == '-':
lifetime = None
else:
lifetime = int(lifetime)
if _debug: SubscribeCOVConsoleCmd._debug(" - lifetime: %r", lifetime)
else:
lifetime = None
# build a request
request = SubscribeCOVRequest(
subscriberProcessIdentifier=proc_id,
monitoredObjectIdentifier=(obj_type, obj_inst),
)
request.pduDestination = Address(addr)
# optional parameters
if issue_confirmed is not None:
request.issueConfirmedNotifications = issue_confirmed
if lifetime is not None:
request.lifetime = lifetime
if _debug: SubscribeCOVConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: SubscribeCOVConsoleCmd._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:
if _debug: SubscribeCOVConsoleCmd._debug(" - response: %r", iocb.ioResponse)
# do something for error/reject/abort
if iocb.ioError:
if _debug: SubscribeCOVConsoleCmd._debug(" - error: %r", iocb.ioError)
except Exception as e:
SubscribeCOVConsoleCmd._exception("exception: %r", e)
def do_readrecord(self, args):
"""readrecord <addr> <inst> <start> <count>"""
args = args.split()
if _debug: TestConsoleCmd._debug("do_readrecord %r", args)
try:
addr, obj_inst, start_record, record_count = args
obj_type = 'file'
obj_inst = int(obj_inst)
start_record = int(start_record)
record_count = int(record_count)
# build a request
request = AtomicReadFileRequest(
fileIdentifier=(obj_type, obj_inst),
accessMethod=AtomicReadFileRequestAccessMethodChoice(
recordAccess=AtomicReadFileRequestAccessMethodChoiceRecordAccess(
fileStartRecord=start_record,
requestedRecordCount=record_count,
),
),
)
request.pduDestination = Address(addr)
if _debug: TestConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: TestConsoleCmd._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:
apdu = iocb.ioResponse
# should be an ack
if not isinstance(apdu, AtomicReadFileACK):
if _debug: TestConsoleCmd._debug(" - not an ack")
return
# suck out the record data
if apdu.accessMethod.recordAccess:
value = apdu.accessMethod.recordAccess.fileRecordData
elif apdu.accessMethod.streamAccess:
value = apdu.accessMethod.streamAccess.fileData
if _debug: TestConsoleCmd._debug(" - value: %r", value)
sys.stdout.write(repr(value) + '\n')
sys.stdout.flush()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
except Exception as error:
TestConsoleCmd._exception("exception: %r", error)
def do_write(self, args):
"""write <addr> <type> <inst> <prop> <value> [ <indx> ] [ <priority> ]"""
args = args.split()
ReadWritePropertyConsoleCmd._debug("do_write %r", args)
try:
addr, obj_type, obj_inst, prop_id = args[:4]
if obj_type.isdigit():
obj_type = int(obj_type)
elif not get_object_class(obj_type, VendorAVObject.vendor_id):
raise ValueError("unknown object type")
if _debug: ReadWritePropertyConsoleCmd._debug(" - obj_type: %r", obj_type)
obj_inst = int(obj_inst)
if _debug: ReadWritePropertyConsoleCmd._debug(" - obj_inst: %r", obj_inst)
if prop_id.isdigit():
prop_id = int(prop_id)
if _debug: ReadWritePropertyConsoleCmd._debug(" - prop_id: %r", prop_id)
value = args[4]
indx = None
if len(args) >= 6:
if args[5] != "-":
indx = int(args[5])
if _debug: ReadWritePropertyConsoleCmd._debug(" - indx: %r", indx)
priority = None
if len(args) >= 7:
priority = int(args[6])
if _debug: ReadWritePropertyConsoleCmd._debug(" - priority: %r", priority)
# get the datatype
datatype = get_datatype(obj_type, prop_id, VendorAVObject.vendor_id)
if _debug: ReadWritePropertyConsoleCmd._debug(" - datatype: %r", datatype)
# change atomic values into something encodeable, null is a special case
if (value == 'null'):
value = Null()
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(
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 indx is not None:
request.propertyArrayIndex = indx
# optional priority
if priority is not None:
request.priority = priority
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:
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:
ReadWritePropertyConsoleCmd._exception("exception: %r", error)
def do_writestream(self, args):
"""writestream <addr> <inst> <start> <data>"""
args = args.split()
if _debug: TestConsoleCmd._debug("do_writestream %r", args)
try:
addr, obj_inst, start_position, data = args
obj_type = 'file'
obj_inst = int(obj_inst)
start_position = int(start_position)
data = data.encode('utf-8')
# build a request
request = AtomicWriteFileRequest(
fileIdentifier=(obj_type, obj_inst),
accessMethod=AtomicWriteFileRequestAccessMethodChoice(
streamAccess=AtomicWriteFileRequestAccessMethodChoiceStreamAccess(
fileStartPosition=start_position,
fileData=data,
),
),
)
request.pduDestination = Address(addr)
if _debug: TestConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: TestConsoleCmd._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:
apdu = iocb.ioResponse
# should be an ack
if not isinstance(apdu, AtomicWriteFileACK):
if _debug: TestConsoleCmd._debug(" - not an ack")
return
# suck out the record data
if apdu.fileStartPosition is not None:
value = apdu.fileStartPosition
elif apdu.fileStartRecord is not None:
value = apdu.fileStartRecord
TestConsoleCmd._debug(" - value: %r", value)
sys.stdout.write(repr(value) + '\n')
sys.stdout.flush()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
except Exception as error:
TestConsoleCmd._exception("exception: %r", error)
The IOController processes the IOCBs it is given and returns the
IOCB back to the caller.
"""
import bacpypes
from bacpypes.iocb import IOCB, IOController
class SomeController(IOController):
def process_io(self, iocb):
self.complete_io(iocb, iocb.args[0] + iocb.args[1] * iocb.kwargs['a'])
def call_me(iocb):
"""
When a controller completes the processing of a request,
the IOCB can contain one or more functions to be called.
"""
print("call me, %r or %r" % (iocb.ioResponse, iocb.ioError))
if __name__ == '__main__':
iocb = IOCB(1, 2, a=3)
iocb.add_callback(call_me)
some_controller = SomeController()
some_controller.request_io(iocb)
iocb.ioComplete.wait()
print(iocb.ioComplete)
print(iocb.ioComplete.is_set())
print(iocb.ioState == bacpypes.iocb.COMPLETED)
print(iocb.ioState == bacpypes.iocb.ABORTED)
print(iocb.ioResponse)
def do_read(self, args):
"""read <addr> <type> <inst> <prop> [ <indx> ]"""
args = args.split()
if _debug: ReadWritePropertyConsoleCmd._debug("do_read %r", args)
try:
addr, obj_type, obj_inst, prop_id = args[:4]
if obj_type.isdigit():
obj_type = int(obj_type)
elif not get_object_class(obj_type, VendorAVObject.vendor_id):
raise ValueError("unknown object type")
if _debug: ReadWritePropertyConsoleCmd._debug(" - obj_type: %r", obj_type)
obj_inst = int(obj_inst)
if _debug: ReadWritePropertyConsoleCmd._debug(" - obj_inst: %r", obj_inst)
if prop_id.isdigit():
prop_id = int(prop_id)
if _debug: ReadWritePropertyConsoleCmd._debug(" - prop_id: %r", prop_id)
datatype = get_datatype(obj_type, prop_id, VendorAVObject.vendor_id)
if not datatype:
raise ValueError("invalid property for object type")
# build a request
request = ReadPropertyRequest(
objectIdentifier=(obj_type, obj_inst),
propertyIdentifier=prop_id,
)
request.pduDestination = Address(addr)
if len(args) == 5:
request.propertyArrayIndex = int(args[4])
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:
apdu = iocb.ioResponse
# peek at the value tag
value_tag = apdu.propertyValue.tagList.Peek()
if _debug: ReadWritePropertyConsoleCmd._debug(" - value_tag: %r", value_tag)
# make sure that it is application tagged
if value_tag.tagClass != Tag.applicationTagClass:
sys.stdout.write("value is not application encoded\n")
else:
# find the datatype
datatype = Tag._app_tag_class[value_tag.tagNumber]
if _debug: ReadWritePropertyConsoleCmd._debug(" - datatype: %r", datatype)
if not datatype:
raise TypeError("unknown datatype")
# cast out the value
value = apdu.propertyValue.cast_out(datatype)
if _debug: ReadWritePropertyConsoleCmd._debug(" - value: %r", value)
sys.stdout.write("%s (%s)\n" % (value, datatype))
sys.stdout.flush()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
except Exception as error:
ReadWritePropertyConsoleCmd._exception("exception: %r", error)
def readMultiple(self, args):
""" Build a ReadPropertyMultiple request, wait for the answer and return the values
:param args: String with <addr> ( <type> <inst> ( <prop> [ <indx> ] )... )...
:returns: data read from device (str representing data like 10 or True)
*Example*::
import BAC0
myIPAddr = '192.168.1.10/24'
bacnet = BAC0.connect(ip = myIPAddr)
bacnet.readMultiple('2:5 analogInput 1 presentValue units')
Requests the controller at (Network 2, address 5) for the (presentValue and units) of
its analog input 1 (AI:1).
"""
if not self._started:
raise ApplicationNotStarted("BACnet stack not running - use startApp()")
args = args.split()
values = []
self.log_title("Read Multiple", args)
try:
# build an ReadPropertyMultiple request
iocb = IOCB(self.build_rpm_request(args))
# pass to the BACnet stack
deferred(self.this_application.request_io, iocb)
self._log.debug("{:<20} {!r}".format("iocb", iocb))
except ReadPropertyMultipleException as error:
# construction error
self._log.exception("exception: {!r}".format(error))
iocb.wait() # Wait for BACnet response
if iocb.ioResponse: # successful response
apdu = iocb.ioResponse
if not isinstance(apdu, ReadPropertyMultipleACK): # expecting an ACK
self._log.debug("{:<20}".format("not an ack"))
self._log.warning(
"Not an Ack. | APDU : {} / {}".format((apdu, type(apdu)))
)
return
# loop through the results
for result in apdu.listOfReadAccessResults:
# here is the object identifier
objectIdentifier = result.objectIdentifier
self.log_subtitle(
"{!r} : {!r}".format(objectIdentifier[0], objectIdentifier[1]),
width=114,
)
self._log.debug(
"{:<20} {:<20} {:<30} {:<20}".format(
"propertyIdentifier", "propertyArrayIndex", "value", "datatype"
)
)
self._log.debug("-" * 114)
# now come the property values per object
for element in result.listOfResults:
# get the property and array index
propertyIdentifier = element.propertyIdentifier
propertyArrayIndex = element.propertyArrayIndex
readResult = element.readResult
if readResult.propertyAccessError is not None:
self._log.debug(
"Property Access Error for {}".format(
readResult.propertyAccessError
)
)
values.append(None)
else:
# here is the value
propertyValue = readResult.propertyValue
# find the datatype
datatype = get_datatype(objectIdentifier[0], propertyIdentifier)
if not datatype:
raise TypeError("unknown datatype")
# special case for array parts, others are managed by cast_out
if issubclass(datatype, Array) and (
propertyArrayIndex is not None
):
if propertyArrayIndex == 0:
value = propertyValue.cast_out(Unsigned)
else:
value = propertyValue.cast_out(datatype.subtype)
else:
value = propertyValue.cast_out(datatype)
self._log.debug(
"{!r:<20} {!r:<20} {!r:<30} {!r:<20}".format(
propertyIdentifier, propertyArrayIndex, value, datatype
)
)
values.append(value)
return values
if iocb.ioError: # unsuccessful: error/reject/abort
apdu = iocb.ioError
reason = find_reason(apdu)
self._log.warning("APDU Abort Reject Reason : {}".format(reason))
self._log.debug("The Request was : {}".format(args))
if reason == "unrecognizedService":
raise UnrecognizedService()
elif reason == "segmentationNotSupported":
raise SegmentationNotSupported()
elif reason == "unknownObject":
self._log.warning("Unknown object {}".format(args))
raise UnknownObjectError("Unknown object {}".format(args))
elif reason == "unknownProperty":
self._log.warning("325 Unknown property {}".format(args))
values.append("")
return values
else:
self._log.warning("No response from controller")
values.append("")
return values