class PTMHub(BaseManager):
def __init__(self, *args, **kw):
super(PTMHub, self).__init__(*args, **kw)
self.__shadow_manager = ShadowManager(client = self)
self.__subscription_manager = SubscriptionManager()
self.__notification_manager = NotificationManager(registry = self.registry)
def get_method_dispatcher(self):
return HubMethodDispatcher(self)
def __check_resolvable(self, owner):
self.get_adapter(owner)
def __mangle_notify_args(self, condition, owner, reference):
if not owner:
raise InternalIllegalArgumentError(owner)
return (NotificationId(condition), Identifier(owner, need_abs = True), Identifier(reference, need_abs = True))
def do_subscribe(self, condition, owner, reference):
self.__check_resolvable(owner)
self.__subscription_manager.add_subscription(*self.__mangle_notify_args(condition, owner, reference))
def do_unsubscribe(self, condition, owner, reference):
self.__subscription_manager.remove_subscription(*self.__mangle_notify_args(condition, owner, reference))
def do_notify(self, condition, owner, reference):
(condition, owner, reference) = self.__mangle_notify_args(condition, owner, reference)
self.__do_notify(condition, owner, reference)
def __do_notify(self, condition, owner, reference):
if DELETED in condition:
condition = DELETED
self.__notification_manager.notify(condition, owner, reference)
def do_signal(self, condition, reference):
(condition, _, reference) = self.__mangle_notify_args(condition, "/", reference)
subscribers = self.__subscription_manager.get_subscribers(condition, reference)
for s in subscribers:
try:
self.do_notify(condition, s, reference)
except:
logger.exception("notify failed")
def do_register(self, identifier, payload):
payload = self.__shadow_manager.get_shadow(payload)
super(PTMHub, self).do_register(identifier, payload)
def register_adapter(self, identifier, adapter):
if not isinstance(adapter, AbstractResourceAdapter):
raise TypeError("Need an instance of ResourceAdapter here. Got: " + str(adapter))
super(PTMHub, self).do_register(identifier, adapter)
def __init__(self, *args, **kw): super(PTMHub, self).__init__(*args, **kw) self.__shadow_manager = ShadowManager(client = self) self.__subscription_manager = SubscriptionManager() self.__notification_manager = NotificationManager(registry = self.registry)
