static UA_StatusCode instantiateObjectNode(UA_Server *server, UA_Session *session, const UA_NodeId *nodeId, const UA_NodeId *typeId, UA_InstantiationCallback *instantiationCallback) { const UA_ObjectTypeNode *typenode = (const UA_ObjectTypeNode*)UA_NodeStore_get(server->nodestore, typeId); if(!typenode) return UA_STATUSCODE_BADNODEIDINVALID; if(typenode->nodeClass != UA_NODECLASS_OBJECTTYPE) return UA_STATUSCODE_BADNODECLASSINVALID; /* Add all the child nodes */ UA_BrowseDescription browseChildren; UA_BrowseDescription_init(&browseChildren); browseChildren.nodeId = *typeId; browseChildren.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_AGGREGATES); browseChildren.includeSubtypes = UA_TRUE; browseChildren.browseDirection = UA_BROWSEDIRECTION_FORWARD; browseChildren.nodeClassMask = UA_NODECLASS_OBJECT | UA_NODECLASS_VARIABLE | UA_NODECLASS_METHOD; browseChildren.resultMask = UA_BROWSERESULTMASK_REFERENCETYPEID | UA_BROWSERESULTMASK_NODECLASS; UA_BrowseResult browseResult; UA_BrowseResult_init(&browseResult); // todo: continuation points if there are too many results Service_Browse_single(server, session, NULL, &browseChildren, 100, &browseResult); for(size_t i = 0; i < browseResult.referencesSize; i++) { UA_ReferenceDescription *rd = &browseResult.references[i]; if(rd->nodeClass == UA_NODECLASS_METHOD) { /* add a reference to the method in the objecttype */ UA_AddReferencesItem item; UA_AddReferencesItem_init(&item); item.sourceNodeId = *nodeId; item.referenceTypeId = rd->referenceTypeId; item.isForward = UA_TRUE; item.targetNodeId = rd->nodeId; item.targetNodeClass = UA_NODECLASS_METHOD; Service_AddReferences_single(server, session, &item); } else if(rd->nodeClass == UA_NODECLASS_VARIABLE) copyExistingVariable(server, session, &rd->nodeId.nodeId, &rd->referenceTypeId, nodeId, instantiationCallback); else if(rd->nodeClass == UA_NODECLASS_OBJECT) copyExistingObject(server, session, &rd->nodeId.nodeId, &rd->referenceTypeId, nodeId, instantiationCallback); } /* add a hastypedefinition reference */ UA_AddReferencesItem addref; UA_AddReferencesItem_init(&addref); addref.sourceNodeId = *nodeId; addref.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASTYPEDEFINITION); addref.isForward = UA_TRUE; addref.targetNodeId.nodeId = *typeId; addref.targetNodeClass = UA_NODECLASS_OBJECTTYPE; Service_AddReferences_single(server, session, &addref); /* call the constructor */ const UA_ObjectLifecycleManagement *olm = &typenode->lifecycleManagement; if(olm->constructor) UA_Server_editNode(server, session, nodeId, (UA_EditNodeCallback)setObjectInstanceHandle, olm->constructor(*nodeId)); return UA_STATUSCODE_GOOD; }
UA_StatusCode UA_EXPORT UA_Client_addReference(UA_Client *client, const UA_NodeId sourceNodeId, const UA_NodeId referenceTypeId, UA_Boolean isForward, const UA_String targetServerUri, const UA_ExpandedNodeId targetNodeId, UA_NodeClass targetNodeClass) { UA_AddReferencesItem item; UA_AddReferencesItem_init(&item); item.sourceNodeId = sourceNodeId; item.referenceTypeId = referenceTypeId; item.isForward = isForward; item.targetServerUri = targetServerUri; item.targetNodeId = targetNodeId; item.targetNodeClass = targetNodeClass; UA_AddReferencesRequest request; UA_AddReferencesRequest_init(&request); request.referencesToAdd = &item; request.referencesToAddSize = 1; UA_AddReferencesResponse response = UA_Client_Service_addReferences(client, request); UA_StatusCode retval = response.responseHeader.serviceResult; if(retval != UA_STATUSCODE_GOOD) { UA_AddReferencesResponse_deleteMembers(&response); return retval; } if(response.resultsSize != 1) { UA_AddReferencesResponse_deleteMembers(&response); return UA_STATUSCODE_BADUNEXPECTEDERROR; } retval = response.results[0]; UA_AddReferencesResponse_deleteMembers(&response); return retval; }
void UA_Server_addExistingNode(UA_Server *server, UA_Session *session, UA_Node *node, const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId, UA_AddNodesResult *result) { if(node->nodeId.namespaceIndex >= server->namespacesSize) { result->statusCode = UA_STATUSCODE_BADNODEIDINVALID; UA_NodeStore_deleteNode(node); return; } const UA_Node *parent = UA_NodeStore_get(server->nodestore, parentNodeId); if(!parent) { result->statusCode = UA_STATUSCODE_BADPARENTNODEIDINVALID; UA_NodeStore_deleteNode(node); return; } const UA_ReferenceTypeNode *referenceType = (const UA_ReferenceTypeNode *)UA_NodeStore_get(server->nodestore, referenceTypeId); if(!referenceType) { result->statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID; UA_NodeStore_deleteNode(node); return; } if(referenceType->nodeClass != UA_NODECLASS_REFERENCETYPE) { result->statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID; UA_NodeStore_deleteNode(node); return; } if(referenceType->isAbstract == UA_TRUE) { result->statusCode = UA_STATUSCODE_BADREFERENCENOTALLOWED; UA_NodeStore_deleteNode(node); return; } // todo: test if the referencetype is hierarchical // todo: namespace index is assumed to be valid result->statusCode = UA_NodeStore_insert(server->nodestore, node); if(result->statusCode == UA_STATUSCODE_GOOD) result->statusCode = UA_NodeId_copy(&node->nodeId, &result->addedNodeId); else return; // reference back to the parent UA_AddReferencesItem item; UA_AddReferencesItem_init(&item); item.sourceNodeId = node->nodeId; item.referenceTypeId = *referenceTypeId; item.isForward = UA_FALSE; item.targetNodeId.nodeId = *parentNodeId; Service_AddReferences_single(server, session, &item); // todo: error handling. remove new node from nodestore }
static UA_StatusCode instantiateVariableNode(UA_Server *server, UA_Session *session, const UA_NodeId *nodeId, const UA_NodeId *typeId) { const UA_ObjectTypeNode *type = (const UA_ObjectTypeNode*)UA_NodeStore_get(server->nodestore, typeId); if(!type) return UA_STATUSCODE_BADNODEIDINVALID; if(type->nodeClass != UA_NODECLASS_VARIABLETYPE) return UA_STATUSCODE_BADNODECLASSINVALID; /* get the references to child properties */ UA_BrowseDescription browseChildren; UA_BrowseDescription_init(&browseChildren); browseChildren.nodeId = *typeId; browseChildren.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY); browseChildren.includeSubtypes = UA_TRUE; browseChildren.browseDirection = UA_BROWSEDIRECTION_FORWARD; browseChildren.nodeClassMask = UA_NODECLASS_VARIABLE; browseChildren.resultMask = UA_BROWSERESULTMASK_REFERENCETYPEID | UA_BROWSERESULTMASK_NODECLASS; UA_BrowseResult browseResult; UA_BrowseResult_init(&browseResult); // todo: continuation points if there are too many results Service_Browse_single(server, session, NULL, &browseChildren, 100, &browseResult); /* add the child properties */ for(size_t i = 0; i < browseResult.referencesSize; i++) { UA_ReferenceDescription *rd = &browseResult.references[i]; copyExistingVariable(server, session, &rd->nodeId.nodeId, &rd->referenceTypeId, nodeId); } /* add a hastypedefinition reference */ UA_AddReferencesItem addref; UA_AddReferencesItem_init(&addref); addref.sourceNodeId = *nodeId; addref.referenceTypeId = UA_NODEID_NUMERIC(0, UA_NS0ID_HASTYPEDEFINITION); addref.isForward = UA_TRUE; addref.targetNodeId.nodeId = *typeId; addref.targetNodeClass = UA_NODECLASS_OBJECTTYPE; Service_AddReferences_single(server, session, &addref); return UA_STATUSCODE_GOOD; }
UA_AddNodesResult UA_Server_addNodeWithSession(UA_Server *server, UA_Session *session, UA_Node *node, const UA_ExpandedNodeId parentNodeId, const UA_NodeId referenceTypeId) { UA_AddNodesResult result; UA_AddNodesResult_init(&result); if(node->nodeId.namespaceIndex >= server->namespacesSize) { result.statusCode = UA_STATUSCODE_BADNODEIDINVALID; return result; } const UA_Node *parent = UA_NodeStore_get(server->nodestore, &parentNodeId.nodeId); if(!parent) { result.statusCode = UA_STATUSCODE_BADPARENTNODEIDINVALID; return result; } const UA_ReferenceTypeNode *referenceType = (const UA_ReferenceTypeNode *)UA_NodeStore_get(server->nodestore, &referenceTypeId); if(!referenceType) { result.statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID; goto ret; } if(referenceType->nodeClass != UA_NODECLASS_REFERENCETYPE) { result.statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID; goto ret2; } if(referenceType->isAbstract == UA_TRUE) { result.statusCode = UA_STATUSCODE_BADREFERENCENOTALLOWED; goto ret2; } // todo: test if the referencetype is hierarchical const UA_Node *managed = UA_NULL; if(UA_NodeId_isNull(&node->nodeId)) { if(UA_NodeStore_insert(server->nodestore, node, &managed) != UA_STATUSCODE_GOOD) { result.statusCode = UA_STATUSCODE_BADOUTOFMEMORY; goto ret2; } result.addedNodeId = managed->nodeId; // cannot fail as unique nodeids are numeric } else { if(UA_NodeId_copy(&node->nodeId, &result.addedNodeId) != UA_STATUSCODE_GOOD) { result.statusCode = UA_STATUSCODE_BADOUTOFMEMORY; goto ret2; } if(UA_NodeStore_insert(server->nodestore, node, &managed) != UA_STATUSCODE_GOOD) { result.statusCode = UA_STATUSCODE_BADNODEIDEXISTS; // todo: differentiate out of memory UA_NodeId_deleteMembers(&result.addedNodeId); goto ret2; } } // reference back to the parent UA_AddReferencesItem item; UA_AddReferencesItem_init(&item); item.sourceNodeId = managed->nodeId; item.referenceTypeId = referenceType->nodeId; item.isForward = UA_FALSE; item.targetNodeId.nodeId = parent->nodeId; UA_Server_addReference(server, &item); // todo: error handling. remove new node from nodestore UA_NodeStore_release(managed); ret2: UA_NodeStore_release((const UA_Node*)referenceType); ret: UA_NodeStore_release(parent); return result; }
void UA_Server_addExistingNode(UA_Server *server, UA_Session *session, UA_Node *node, const UA_NodeId *parentNodeId, const UA_NodeId *referenceTypeId, UA_AddNodesResult *result) { if(node->nodeId.namespaceIndex >= server->namespacesSize) { result->statusCode = UA_STATUSCODE_BADNODEIDINVALID; return; } const UA_Node *parent = UA_NodeStore_get(server->nodestore, parentNodeId); if(!parent) { result->statusCode = UA_STATUSCODE_BADPARENTNODEIDINVALID; return; } const UA_ReferenceTypeNode *referenceType = (const UA_ReferenceTypeNode *)UA_NodeStore_get(server->nodestore, referenceTypeId); if(!referenceType) { result->statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID; return; } if(referenceType->nodeClass != UA_NODECLASS_REFERENCETYPE) { result->statusCode = UA_STATUSCODE_BADREFERENCETYPEIDINVALID; return; } if(referenceType->isAbstract == UA_TRUE) { result->statusCode = UA_STATUSCODE_BADREFERENCENOTALLOWED; return; } // todo: test if the referencetype is hierarchical // todo: namespace index is assumed to be valid UA_MT_CONST UA_Node *managed = NULL; UA_NodeId tempNodeid = node->nodeId; tempNodeid.namespaceIndex = 0; if(UA_NodeId_isNull(&tempNodeid)) { if(UA_NodeStore_insert(server->nodestore, node, &managed) != UA_STATUSCODE_GOOD) { result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY; return; } result->addedNodeId = managed->nodeId; // cannot fail as unique nodeids are numeric } else { if(UA_NodeId_copy(&node->nodeId, &result->addedNodeId) != UA_STATUSCODE_GOOD) { result->statusCode = UA_STATUSCODE_BADOUTOFMEMORY; return; } if(UA_NodeStore_insert(server->nodestore, node, &managed) != UA_STATUSCODE_GOOD) { result->statusCode = UA_STATUSCODE_BADNODEIDEXISTS; UA_NodeId_deleteMembers(&result->addedNodeId); return; } } /* Careful. The node is inserted. If the nodestore makes an expand, nodes change their address */ // reference back to the parent UA_AddReferencesItem item; UA_AddReferencesItem_init(&item); item.sourceNodeId = managed->nodeId; item.referenceTypeId = *referenceTypeId; item.isForward = UA_FALSE; item.targetNodeId.nodeId = *parentNodeId; Service_AddReferences_single(server, session, &item); // todo: error handling. remove new node from nodestore }