/* copy an existing object under the given parent. then instantiate the
variable for all hastypedefinitions of the original version. */
static UA_StatusCode
copyExistingObject(UA_Server *server, UA_Session *session, const UA_NodeId *variable,
const UA_NodeId *referenceType, const UA_NodeId *parent,
UA_InstantiationCallback *instantiationCallback) {
const UA_ObjectNode *node = (const UA_ObjectNode*)UA_NodeStore_get(server->nodestore, variable);
if(!node)
return UA_STATUSCODE_BADNODEIDINVALID;
if(node->nodeClass != UA_NODECLASS_OBJECT)
return UA_STATUSCODE_BADNODECLASSINVALID;
// copy the variable attributes
UA_ObjectAttributes attr;
UA_ObjectAttributes_init(&attr);
UA_LocalizedText_copy(&node->displayName, &attr.displayName);
UA_LocalizedText_copy(&node->description, &attr.description);
attr.writeMask = node->writeMask;
attr.userWriteMask = node->userWriteMask;
attr.eventNotifier = node->eventNotifier;
UA_AddNodesItem item;
UA_AddNodesItem_init(&item);
UA_NodeId_copy(parent, &item.parentNodeId.nodeId);
UA_NodeId_copy(referenceType, &item.referenceTypeId);
UA_QualifiedName_copy(&node->browseName, &item.browseName);
item.nodeClass = UA_NODECLASS_OBJECT;
item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
item.nodeAttributes.content.decoded.type = &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES];
item.nodeAttributes.content.decoded.data = &attr;
// don't add a typedefinition here.
// add the new object
UA_AddNodesResult res;
UA_AddNodesResult_init(&res);
Service_AddNodes_single(server, session, &item, &res, instantiationCallback);
UA_ObjectAttributes_deleteMembers(&attr);
UA_AddNodesItem_deleteMembers(&item);
// now instantiate the object for all hastypedefinition references
for(size_t i = 0; i < node->referencesSize; i++) {
UA_ReferenceNode *rn = &node->references[i];
if(rn->isInverse)
continue;
const UA_NodeId hasTypeDef = UA_NODEID_NUMERIC(0, UA_NS0ID_HASTYPEDEFINITION);
if(!UA_NodeId_equal(&rn->referenceTypeId, &hasTypeDef))
continue;
instantiateObjectNode(server, session, &res.addedNodeId, &rn->targetId.nodeId, instantiationCallback);
}
if (instantiationCallback != NULL)
instantiationCallback->method(res.addedNodeId, node->nodeId, instantiationCallback->handle);
UA_AddNodesResult_deleteMembers(&res);
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode parseObjectNode(UA_ExtensionObject *attributes, UA_Node **new_node) {
if(attributes->typeId.identifier.numeric !=
UA_TYPES[UA_TYPES_OBJECTATTRIBUTES].typeId.identifier.numeric + UA_ENCODINGOFFSET_BINARY)
return UA_STATUSCODE_BADNODEATTRIBUTESINVALID;
UA_ObjectAttributes attr;
size_t pos = 0;
// todo return more informative error codes from decodeBinary
if (UA_ObjectAttributes_decodeBinary(&attributes->body, &pos, &attr) != UA_STATUSCODE_GOOD)
return UA_STATUSCODE_BADNODEATTRIBUTESINVALID;
UA_ObjectNode *vnode = UA_ObjectNode_new();
if(!vnode) {
UA_ObjectAttributes_deleteMembers(&attr);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
// now copy all the attributes. This potentially removes them from the decoded attributes.
COPY_STANDARDATTRIBUTES;
if(attr.specifiedAttributes & UA_NODEATTRIBUTESMASK_EVENTNOTIFIER)
vnode->eventNotifier = attr.eventNotifier;
UA_ObjectAttributes_deleteMembers(&attr);
*new_node = (UA_Node*) vnode;
return UA_STATUSCODE_GOOD;
}
