UA_StatusCode UA_Node_copyAnyNodeClass(const UA_Node *src, UA_Node *dst) {
if(src->nodeClass != dst->nodeClass)
return UA_STATUSCODE_BADINTERNALERROR;
/* copy standard content */
UA_StatusCode retval = UA_NodeId_copy(&src->nodeId, &dst->nodeId);
dst->nodeClass = src->nodeClass;
retval |= UA_QualifiedName_copy(&src->browseName, &dst->browseName);
retval |= UA_LocalizedText_copy(&src->displayName, &dst->displayName);
retval |= UA_LocalizedText_copy(&src->description, &dst->description);
dst->writeMask = src->writeMask;
dst->userWriteMask = src->userWriteMask;
if(retval != UA_STATUSCODE_GOOD) {
UA_Node_deleteMembersAnyNodeClass(dst);
return retval;
}
retval |= UA_Array_copy(src->references, src->referencesSize, (void**)&dst->references,
&UA_TYPES[UA_TYPES_REFERENCENODE]);
if(retval != UA_STATUSCODE_GOOD) {
UA_Node_deleteMembersAnyNodeClass(dst);
return retval;
}
dst->referencesSize = src->referencesSize;
/* copy unique content of the nodeclass */
switch(src->nodeClass) {
case UA_NODECLASS_OBJECT:
retval = UA_ObjectNode_copy((const UA_ObjectNode*)src, (UA_ObjectNode*)dst);
break;
case UA_NODECLASS_VARIABLE:
retval = UA_VariableNode_copy((const UA_VariableNode*)src, (UA_VariableNode*)dst);
break;
case UA_NODECLASS_METHOD:
retval = UA_MethodNode_copy((const UA_MethodNode*)src, (UA_MethodNode*)dst);
break;
case UA_NODECLASS_OBJECTTYPE:
retval = UA_ObjectTypeNode_copy((const UA_ObjectTypeNode*)src, (UA_ObjectTypeNode*)dst);
break;
case UA_NODECLASS_VARIABLETYPE:
retval = UA_VariableTypeNode_copy((const UA_VariableTypeNode*)src, (UA_VariableTypeNode*)dst);
break;
case UA_NODECLASS_REFERENCETYPE:
retval = UA_ReferenceTypeNode_copy((const UA_ReferenceTypeNode*)src, (UA_ReferenceTypeNode*)dst);
break;
case UA_NODECLASS_DATATYPE:
retval = UA_DataTypeNode_copy((const UA_DataTypeNode*)src, (UA_DataTypeNode*)dst);
break;
case UA_NODECLASS_VIEW:
retval = UA_ViewNode_copy((const UA_ViewNode*)src, (UA_ViewNode*)dst);
break;
default:
break;
}
if(retval != UA_STATUSCODE_GOOD)
UA_Node_deleteMembersAnyNodeClass(dst);
return retval;
}
/* Adds a one-way reference to the local nodestore */
static UA_StatusCode
addOneWayReferenceWithSession(UA_Server *server, UA_Session *session, const UA_AddReferencesItem *item) {
const UA_Node *node = UA_NodeStore_get(server->nodestore, &item->sourceNodeId);
if(!node)
return UA_STATUSCODE_BADINTERNALERROR;
UA_StatusCode retval = UA_STATUSCODE_GOOD;
#ifndef UA_MULTITHREADING
size_t i = node->referencesSize;
if(node->referencesSize < 0)
i = 0;
size_t refssize = (i+1) | 3; // so the realloc is not necessary every time
UA_ReferenceNode *new_refs = UA_realloc(node->references, sizeof(UA_ReferenceNode) * refssize);
if(!new_refs)
retval = UA_STATUSCODE_BADOUTOFMEMORY;
else {
UA_ReferenceNode_init(&new_refs[i]);
retval = UA_NodeId_copy(&item->referenceTypeId, &new_refs[i].referenceTypeId);
new_refs[i].isInverse = !item->isForward;
retval |= UA_ExpandedNodeId_copy(&item->targetNodeId, &new_refs[i].targetId);
/* hack. be careful! possible only in the single-threaded case. */
UA_Node *mutable_node = (UA_Node*)(uintptr_t)node;
mutable_node->references = new_refs;
if(retval != UA_STATUSCODE_GOOD) {
UA_NodeId_deleteMembers(&new_refs[node->referencesSize].referenceTypeId);
UA_ExpandedNodeId_deleteMembers(&new_refs[node->referencesSize].targetId);
} else
mutable_node->referencesSize = i+1;
}
UA_NodeStore_release(node);
return retval;
#else
UA_Node *newNode = UA_NULL;
void (*deleteNode)(UA_Node*) = UA_NULL;
switch(node->nodeClass) {
case UA_NODECLASS_OBJECT:
newNode = (UA_Node*)UA_ObjectNode_new();
UA_ObjectNode_copy((const UA_ObjectNode*)node, (UA_ObjectNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_ObjectNode_delete;
break;
case UA_NODECLASS_VARIABLE:
newNode = (UA_Node*)UA_VariableNode_new();
UA_VariableNode_copy((const UA_VariableNode*)node, (UA_VariableNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_VariableNode_delete;
break;
case UA_NODECLASS_METHOD:
newNode = (UA_Node*)UA_MethodNode_new();
UA_MethodNode_copy((const UA_MethodNode*)node, (UA_MethodNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_MethodNode_delete;
break;
case UA_NODECLASS_OBJECTTYPE:
newNode = (UA_Node*)UA_ObjectTypeNode_new();
UA_ObjectTypeNode_copy((const UA_ObjectTypeNode*)node, (UA_ObjectTypeNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_ObjectTypeNode_delete;
break;
case UA_NODECLASS_VARIABLETYPE:
newNode = (UA_Node*)UA_VariableTypeNode_new();
UA_VariableTypeNode_copy((const UA_VariableTypeNode*)node, (UA_VariableTypeNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_VariableTypeNode_delete;
break;
case UA_NODECLASS_REFERENCETYPE:
newNode = (UA_Node*)UA_ReferenceTypeNode_new();
UA_ReferenceTypeNode_copy((const UA_ReferenceTypeNode*)node, (UA_ReferenceTypeNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_ReferenceTypeNode_delete;
break;
case UA_NODECLASS_DATATYPE:
newNode = (UA_Node*)UA_DataTypeNode_new();
UA_DataTypeNode_copy((const UA_DataTypeNode*)node, (UA_DataTypeNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_DataTypeNode_delete;
break;
case UA_NODECLASS_VIEW:
newNode = (UA_Node*)UA_ViewNode_new();
UA_ViewNode_copy((const UA_ViewNode*)node, (UA_ViewNode*)newNode);
deleteNode = (void (*)(UA_Node*))UA_ViewNode_delete;
break;
default:
return UA_STATUSCODE_BADINTERNALERROR;
}
UA_Int32 count = node->referencesSize;
if(count < 0)
count = 0;
UA_ReferenceNode *old_refs = newNode->references;
UA_ReferenceNode *new_refs = UA_malloc(sizeof(UA_ReferenceNode)*(count+1));
if(!new_refs) {
deleteNode(newNode);
UA_NodeStore_release(node);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
// insert the new reference
UA_memcpy(new_refs, old_refs, sizeof(UA_ReferenceNode)*count);
UA_ReferenceNode_init(&new_refs[count]);
retval = UA_NodeId_copy(&item->referenceTypeId, &new_refs[count].referenceTypeId);
new_refs[count].isInverse = !item->isForward;
retval |= UA_ExpandedNodeId_copy(&item->targetNodeId, &new_refs[count].targetId);
if(retval != UA_STATUSCODE_GOOD) {
UA_Array_delete(new_refs, &UA_TYPES[UA_TYPES_REFERENCENODE], ++count);
newNode->references = UA_NULL;
newNode->referencesSize = 0;
deleteNode(newNode);
UA_NodeStore_release(node);
return UA_STATUSCODE_BADOUTOFMEMORY;
}
UA_free(old_refs);
newNode->references = new_refs;
newNode->referencesSize = ++count;
retval = UA_NodeStore_replace(server->nodestore, node, newNode, UA_NULL);
UA_NodeStore_release(node);
if (retval == UA_STATUSCODE_BADINTERNALERROR) {
/* presumably because the node was replaced and an old version was updated at the same time. just try again */
deleteNode(newNode);
return addOneWayReferenceWithSession(server, session, item);
}
return retval;
#endif
}
