node-opcua-server-discovery

import { OPCUADiscoveryServer } from 'node-opcua-server-discovery'; import { CertificateManager } from 'node-opcua-pki'; import path from 'path'; import os from 'os'; async function startDiscoveryServer() { const pkiFolder = path.join(os.tmpdir(), "pki_for_discovery"); const certificateManager = new CertificateManager({ pki: pkiFolder }); await certificateManager.initialize(); // Ensure a self-signed certificate is available for the discovery server await certificateManager.createSelfSignedCertificate({ applicationUri: 'urn:MyNodeOPCUADiscoveryServer', applicationName: { text: 'My Node-OPCUA Discovery Server', locale: 'en-US' }, dns: [os.hostname(), 'localhost'], ip: [], // Add your server's IP if necessary startDate: new Date(), endDate: new Date(Date.now() + 365 * 24 * 60 * 60 * 1000) // 1 year validity }); const discoveryServer = new OPCUADiscoveryServer({ port: 4840, serverInfo: { applicationUri: 'urn:MyNodeOPCUADiscoveryServer', applicationName: { text: 'My Node-OPCUA Discovery Server', locale: 'en-US' }, productUri: 'https://github.com/node-opcua/node-opcua', }, certificateManager: certificateManager, // Optional: Specify server endpoints for the discovery server itself // For example, if running behind NAT/Docker with advertised endpoints // advertisedEndpoints: ['opc.tcp://my-public-host:4840'] }); await discoveryServer.start(); console.log(`OPC UA Discovery Server started on port ${discoveryServer.port}.`); console.log(`PKI folder: ${pkiFolder}`); process.on('SIGINT', async () => { console.log('Stopping discovery server...'); await discoveryServer.shutdown(); console.log('Discovery server stopped.'); process.exit(0); }); } startDiscoveryServer().catch(err => { console.error('Failed to start discovery server:', err); process.exit(1); });