node-opcua-service-node-management

import { OPCUAServer, Variant, DataType, NodeId, ReferenceTypeIds, QualifiedName } from 'node-opcua'; import { AddNodesItem, NodeClass } from 'node-opcua-service-node-management'; async function createServerAndAddNode() { const server = new OPCUAServer({ port: 4334, resourcePath: 'UA/MyNodeManagementServer', buildInfo: { productName: 'MyNodeManagementServer', buildNumber: '7658', buildDate: new Date() } }); await server.initialize(); const addressSpace = server.engine.addressSpace; if (!addressSpace) { throw new Error('AddressSpace not initialized'); } // Add a custom namespace const namespace = addressSpace.registerNamespace('http://mynamespace.com/UA/Demo/'); console.log('Registered Namespace Index:', namespace.index); // Add a new folder node programmatically using AddNodesItem const folderBrowseName = new QualifiedName({ name: 'MyDynamicFolder', namespaceIndex: namespace.index }); const folderNodeId = new NodeId('s=MyDynamicFolder', namespace.index); const addFolderItem: AddNodesItem = new AddNodesItem({ parentNodeId: addressSpace.getFolderId('Objects') || new NodeId('i=85'), // Objects folder referenceTypeId: ReferenceTypeIds.Organizes, requestedNewNodeId: folderNodeId, browseName: folderBrowseName, nodeClass: NodeClass.Object, nodeAttributes: { displayName: { text: 'My Dynamic Folder' }, description: { text: 'A folder created dynamically' } } }); // In a real application, you would invoke the AddNodes service with these items. // For a server adding nodes to its own address space, direct `addressSpace.addNode` is often used, // but this demonstrates the structure of AddNodesItem. // For simplicity, we'll demonstrate what the internal `addNode` might receive, or how a client would send it. const newFolder = addressSpace.addFolder(addFolderItem.parentNodeId, addFolderItem.browseName.name); newFolder.setNodeId(addFolderItem.requestedNewNodeId); console.log(`Dynamically added folder: ${newFolder.browseName.toString()} (NodeId: ${newFolder.nodeId.toString()})`); await server.start(); console.log(`Server is now listening on ${server.endpoints[0].endpointUrl}`); console.log('Press Ctrl+C to stop the server.'); process.on('SIGINT', async () => { await server.shutdown(); console.log('Server shut down.'); process.exit(0); }); } createServerAndAddNode().catch(console.error);