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 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 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 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)
