def add_object_type_node(self,
requested_new_node_id: UaNodeId,
parent_node_id: UaNodeId,
reference_type_id: UaNodeId,
browse_name: UaQualifiedName,
type_definition: UaNodeId,
attr: UaNodeAttributes = None,
node_context=None):
if attr is None:
attr = UA_ATTRIBUTES_DEFAULT.VARIABLE
out_node_id = UaNodeId()
# TODO: test
if node_context is not None:
node_context = ffi.new_handle(node_context)
else:
node_context = ffi.NULL
status_code = lib.UA_Server_addObjectTypeNode(
self.ua_server, requested_new_node_id._val, parent_node_id._val,
reference_type_id._val, browse_name._val, type_definition._val,
attr._val, node_context, out_node_id._ptr)
out_node_id._update()
return ServerServiceResults.NodeIdResult(UaStatusCode(status_code),
out_node_id)
def create_condition(self, condition_id: UaNodeId,
condition_type: UaNodeId,
condition_name: UaQualifiedName,
condition_source: UaNodeId,
hierarchical_reference_type: UaNodeId):
out_node_id = UaNodeId()
status_code = lib.UA_Server_createCondition(
self.ua_server, condition_id._val, condition_type._val,
condition_name._val, condition_source._val,
hierarchical_reference_type._val, out_node_id._ptr)
out_node_id._update()
return ServerServiceResults.NodeIdResult(UaStatusCode(status_code),
out_node_id)
def add_data_source_variable_node(self,
requested_new_node_id: UaNodeId,
parent_node_id: UaNodeId,
reference_type_id: UaNodeId,
browse_name: UaQualifiedName,
type_definition: UaNodeId,
data_source: UaDataSource,
attr: UaVariableAttributes = None,
node_context=None):
out_node_id = UaNodeId()
if attr is None:
attr = UA_ATTRIBUTES_DEFAULT.VARIABLE
if node_context is not None:
node_context = ffi.new_handle(node_context)
else:
node_context = ffi.NULL
# todo: requested_new_node_id currently mustn't be NULL or this doesn't work
# only has to be added to dict if python callbacks are used instead of only c callbacks
if data_source.uses_python_read_callback or data_source.uses_python_write_callback:
_ServerCallback.callbacks_dict[str(
requested_new_node_id)] = data_source
status_code = lib.UA_Server_addDataSourceVariableNode(
self.ua_server, requested_new_node_id._val, parent_node_id._val,
reference_type_id._val, browse_name._val, type_definition._val,
attr._val, data_source._val, node_context, out_node_id._ptr)
out_node_id._update()
# todo: update dict entry with out node id
return ServerServiceResults.NodeIdResult(
UaStatusCode(status_code), out_node_id) # TODO: out_node not None?
def read_data_type(self, node_id: UaNodeId):
out_type = UaNodeId()
status_code = lib.UA_Server_readDataType(self.ua_server, node_id._val,
out_type._ptr)
out_type._update()
return ServerServiceResults.NodeIdResult(status_code, out_type._ptr)