def create_device(args):
global g_devices
(instance_name, client, engine, update_callback, context, params) = args
sorted_class_names = sort_by_suffix(params["functions"])
C = compose_class(
sorted_class_names
) # Create a composite device class from all the given class names
d = C(instance_name, engine.get_now(), engine, update_callback, context,
params["functions"]) # Instantiate it
client.add_device(d.properties["$id"], engine.get_now(), d.properties)
if "stop_at" in params:
at_time = conftime.richTime(params["stop_at"])
engine.register_event_at(at_time, stop_device, (engine, d), None)
the_id = d.properties["$id"]
if the_id in g_devices_dict:
logging.error("FATAL: Attempt to create duplicate device " +
str(d.properties["$id"]))
exit(-1)
g_devices.append(d)
g_devices_dict[the_id] = d
return d
def set_end_time_str(self,timeString):
"""<timeString> can be:
None (for never end)
'now' to end when simulation reaches current time (i.e. current time when simulation was run - otherwise it gets hard to e.g. schedule events for end time!)
'when_done' to end when no further events are pending
or else an ISO8601 absolute or relative time"""
if timeString in [None, "when_done"]:
self.end_time = timeString
elif timeString == "now":
self.end_time = time.time()
else:
self.end_time = richTime(timeString)
def change_property_action(params):
def set_it(d):
if params.get("is_attribute", False):
d.__dict__[params["property_name"]] = params["property_value"]
logging.info("Set attribute "+str(params["property_name"])+" on device "+d.get_property("$id")+" to "+str(params["property_value"]))
else:
d.set_property(params["property_name"], params["property_value"], timestamp=ts)
logging.info("Set property "+str(params["property_name"])+" on device "+d.get_property("$id")+" to "+str(params["property_value"]))
d = device_factory.get_devices_by_property( params["identity_property"],
params["identity_value"])
logging.info("change property acting on "+str(len(d))+" matching devices")
if "$ts" in params:
ts = conftime.richTime(params["$ts"])
else:
ts = None
logging.info("change_property "+str(params))
for the_d in d:
set_it(the_d)
def set_start_time_str(self, timeString):
t = richTime(timeString)
self.start_time = t
self.set_now(t)
def set_now_str(self,timeString):
self.set_time(richTime(timeString))
def set_now_str(self, timeString):
self.set_time(
richTime(timeString)
) # ??? doesn't seem to exist, is this function ever called?