/* copy an existing variable under the given parent. then instantiate the
variable for all hastypedefinitions of the original version. */
static UA_StatusCode
copyExistingVariable(UA_Server *server, UA_Session *session, const UA_NodeId *variable,
const UA_NodeId *referenceType, const UA_NodeId *parent) {
const UA_VariableNode *node = (const UA_VariableNode*)UA_NodeStore_get(server->nodestore, variable);
if(!node)
return UA_STATUSCODE_BADNODEIDINVALID;
if(node->nodeClass != UA_NODECLASS_VARIABLE)
return UA_STATUSCODE_BADNODECLASSINVALID;
// copy the variable attributes
UA_VariableAttributes attr;
UA_VariableAttributes_init(&attr);
UA_LocalizedText_copy(&node->displayName, &attr.displayName);
UA_LocalizedText_copy(&node->description, &attr.description);
attr.writeMask = node->writeMask;
attr.userWriteMask = node->userWriteMask;
// todo: handle data sources!!!!
UA_Variant_copy(&node->value.variant.value, &attr.value);
// datatype is taken from the value
// valuerank is taken from the value
// array dimensions are taken from the value
attr.accessLevel = node->accessLevel;
attr.userAccessLevel = node->userAccessLevel;
attr.minimumSamplingInterval = node->minimumSamplingInterval;
attr.historizing = node->historizing;
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_VARIABLE;
item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
item.nodeAttributes.content.decoded.type = &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES];
item.nodeAttributes.content.decoded.data = &attr;
// don't add a typedefinition here.
// add the new variable
UA_AddNodesResult res;
UA_AddNodesResult_init(&res);
Service_AddNodes_single(server, session, &item, &res);
UA_VariableAttributes_deleteMembers(&attr);
UA_AddNodesItem_deleteMembers(&item);
// now instantiate the variable 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;
instantiateVariableNode(server, session, &res.addedNodeId, &rn->targetId.nodeId);
}
UA_AddNodesResult_deleteMembers(&res);
return UA_STATUSCODE_GOOD;
}
/* 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;
}
void Service_AddNodes(UA_Server *server, UA_Session *session, const UA_AddNodesRequest *request,
UA_AddNodesResponse *response) {
if(request->nodesToAddSize <= 0) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;
return;
}
size_t size = request->nodesToAddSize;
response->results = UA_Array_new(size, &UA_TYPES[UA_TYPES_ADDNODESRESULT]);
if(!response->results) {
response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY;
return;
}
#ifdef UA_EXTERNAL_NAMESPACES
#ifdef _MSVC_VER
UA_Boolean *isExternal = UA_alloca(size);
UA_UInt32 *indices = UA_alloca(sizeof(UA_UInt32)*size);
#else
UA_Boolean isExternal[size];
UA_UInt32 indices[size];
#endif
memset(isExternal, UA_FALSE, sizeof(UA_Boolean) * size);
for(size_t j = 0; j <server->externalNamespacesSize; j++) {
size_t indexSize = 0;
for(size_t i = 0;i < size;i++) {
if(request->nodesToAdd[i].requestedNewNodeId.nodeId.namespaceIndex !=
server->externalNamespaces[j].index)
continue;
isExternal[i] = UA_TRUE;
indices[indexSize] = i;
indexSize++;
}
if(indexSize == 0)
continue;
UA_ExternalNodeStore *ens = &server->externalNamespaces[j].externalNodeStore;
ens->addNodes(ens->ensHandle, &request->requestHeader, request->nodesToAdd,
indices, indexSize, response->results, response->diagnosticInfos);
}
#endif
response->resultsSize = size;
for(size_t i = 0; i < size; i++) {
#ifdef UA_EXTERNAL_NAMESPACES
if(!isExternal[i])
#endif
Service_AddNodes_single(server, session, &request->nodesToAdd[i], &response->results[i]);
}
}
