def __init__(self,
isession,
etype=None,
emitting_node=ua.ObjectIds.Server):
if not etype:
etype = event_objects.BaseEvent()
self.logger = logging.getLogger(__name__)
self.isession = isession
self.event = None
node = None
if isinstance(etype, event_objects.BaseEvent):
self.event = etype
elif isinstance(etype, Node):
node = etype
elif isinstance(etype, ua.NodeId):
node = Node(self.isession, etype)
else:
node = Node(self.isession, ua.NodeId(etype))
if node:
self.event = events.get_event_obj_from_type_node(node)
if isinstance(emitting_node, Node):
pass
elif isinstance(emitting_node, ua.NodeId):
emitting_node = Node(isession, emitting_node)
else:
emitting_node = Node(isession, ua.NodeId(emitting_node))
self.event.emitting_node = emitting_node.nodeid
if not self.event.SourceNode:
self.event.SourceNode = emitting_node.nodeid
self.event.SourceName = emitting_node.get_browse_name().Name
emitting_node.set_event_notifier([ua.EventNotifier.SubscribeToEvents])
refs = []
ref = ua.AddReferencesItem()
ref.IsForward = True
ref.ReferenceTypeId = ua.NodeId(ua.ObjectIds.GeneratesEvent)
ref.SourceNodeId = emitting_node.nodeid
ref.TargetNodeClass = ua.NodeClass.ObjectType
ref.TargetNodeId = self.event.EventType
refs.append(ref)
results = self.isession.add_references(refs)
# result.StatusCode.check()
self.emitting_node = emitting_node
def __init__(self, isession, etype=None, source=ua.ObjectIds.Server):
if not etype:
etype = event_objects.BaseEvent()
self.logger = logging.getLogger(__name__)
self.isession = isession
self.event = None
node = None
if isinstance(etype, event_objects.BaseEvent):
self.event = etype
elif isinstance(etype, Node):
node = etype
elif isinstance(etype, ua.NodeId):
node = Node(self.isession, etype)
else:
node = Node(self.isession, ua.NodeId(etype))
if node:
self.event = events.get_event_obj_from_type_node(node)
if isinstance(source, Node):
pass
elif isinstance(source, ua.NodeId):
source = Node(isession, source)
else:
source = Node(isession, ua.NodeId(source))
if self.event.SourceNode:
if source.nodeid != self.event.SourceNode:
self.logger.warning(
"Source NodeId: '%s' and event SourceNode: '%s' are not the same. Using '%s' as SourceNode",
str(source.nodeid), str(self.event.SourceNode),
str(self.event.SourceNode))
source = Node(self.isession, self.event.SourceNode)
self.event.SourceNode = source.nodeid
self.event.SourceName = source.get_browse_name().Name
source.set_event_notifier(
[ua.EventNotifier.SubscribeToEvents, ua.EventNotifier.HistoryRead])
refs = []
ref = ua.AddReferencesItem()
ref.IsForward = True
ref.ReferenceTypeId = ua.NodeId(ua.ObjectIds.GeneratesEvent)
ref.SourceNodeId = source.nodeid
ref.TargetNodeClass = ua.NodeClass.ObjectType
ref.TargetNodeId = self.event.EventType
refs.append(ref)
results = self.isession.add_references(refs)