static UA_StatusCode parse_numericrange(const UA_String str, UA_NumericRange *range) { if(str.length < 0 || str.length >= 1023) return UA_STATUSCODE_BADINTERNALERROR; char *cstring = UA_alloca(str.length+1); UA_memcpy(cstring, str.data, str.length); cstring[str.length] = 0; UA_Int32 index = 0; size_t dimensionsIndex = 0; size_t dimensionsMax = 3; // more should be uncommon struct UA_NumericRangeDimension *dimensions = UA_malloc(sizeof(struct UA_NumericRangeDimension) * 3); if(!dimensions) return UA_STATUSCODE_BADOUTOFMEMORY; UA_StatusCode retval = UA_STATUSCODE_GOOD; do { UA_Int32 min, max; UA_Int32 progress; UA_Int32 res = sscanf(&cstring[index], "%" SCNu32 "%n", &min, &progress); if(res <= 0 || min < 0) { retval = UA_STATUSCODE_BADINDEXRANGEINVALID; break; } index += progress; if(index >= str.length || cstring[index] == ',') max = min; else { res = sscanf(&cstring[index], ":%" SCNu32 "%n", &max, &progress); if(res <= 0 || max < 0 || min >= max) { retval = UA_STATUSCODE_BADINDEXRANGEINVALID; break; } index += progress; } if(dimensionsIndex >= dimensionsMax) { struct UA_NumericRangeDimension *newDimensions = UA_realloc(dimensions, sizeof(struct UA_NumericRangeDimension) * 2 * dimensionsMax); if(!newDimensions) { UA_free(dimensions); return UA_STATUSCODE_BADOUTOFMEMORY; } dimensions = newDimensions; dimensionsMax *= 2; } dimensions[dimensionsIndex].min = min; dimensions[dimensionsIndex].max = max; dimensionsIndex++; } while(retval == UA_STATUSCODE_GOOD && index + 1 < str.length && cstring[index] == ',' && ++index); if(retval != UA_STATUSCODE_GOOD) { UA_free(dimensions); return retval; } range->dimensions = dimensions; range->dimensionsSize = dimensionsIndex; 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 }