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274
OpcConnectionTest/Program.cs.fail1
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274
OpcConnectionTest/Program.cs.fail1
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using Opc.Ua;
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using Opc.Ua.Client;
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using Opc.Ua.Configuration;
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using System.Security.Cryptography.X509Certificates;
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namespace OpcConnectionTest
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{
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class Program
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{
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[Obsolete]
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static async Task Main(string[] args)
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{
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Console.WriteLine("=== Experion OPC UA Connection Test ===\n");
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// ⚠️ Experion 서버 IP 주소 수정
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string endpoint = "opc.tcp://192.168.0.20:4840";
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string pfxPath = Path.Combine(Directory.GetCurrentDirectory(), "pki/own/certs/OpcTestClient.pfx");
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// PFX 파일 존재 여부 먼저 확인
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if (!File.Exists(pfxPath))
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{
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Console.WriteLine($"❌ PFX 파일을 찾을 수 없습니다: {pfxPath}");
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Console.WriteLine("\nPress Enter to exit...");
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Console.ReadLine();
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return;
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}
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// PFX를 직접 로드 (Exportable 플래그 필수 — OPC UA 서명에 개인키 접근 필요)
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X509Certificate2 clientCertificate = new X509Certificate2(
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pfxPath,
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"",
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X509KeyStorageFlags.Exportable | X509KeyStorageFlags.MachineKeySet);
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Console.WriteLine($"Server: {endpoint}");
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Console.WriteLine($"Certificate: {clientCertificate.Subject}\n");
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ISession? session = null;
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try
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{
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// 1. Configuration 생성
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var config = new ApplicationConfiguration()
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{
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ApplicationName = "OPC Test Client",
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ApplicationType = ApplicationType.Client,
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ApplicationUri = "urn:OpcTestClient",
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SecurityConfiguration = new SecurityConfiguration
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{
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ApplicationCertificate = new CertificateIdentifier
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{
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StoreType = "Directory",
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StorePath = Path.GetFullPath("pki/own"),
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SubjectName = "CN=OpcTestClient",
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// PFX를 직접 주입 — Directory Store 탐색 없이 이 인증서를 사용
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Certificate = clientCertificate
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},
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TrustedPeerCertificates = new CertificateTrustList
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{
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StoreType = "Directory",
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StorePath = Path.GetFullPath("pki/trusted")
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},
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TrustedIssuerCertificates = new CertificateTrustList
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{
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StoreType = "Directory",
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StorePath = Path.GetFullPath("pki/issuers")
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},
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RejectedCertificateStore = new CertificateTrustList
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{
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StoreType = "Directory",
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StorePath = Path.GetFullPath("pki/rejected")
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},
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AutoAcceptUntrustedCertificates = true,
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RejectSHA1SignedCertificates = false,
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AddAppCertToTrustedStore = true
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},
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TransportConfigurations = new TransportConfigurationCollection(),
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TransportQuotas = new TransportQuotas { OperationTimeout = 15000 },
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ClientConfiguration = new ClientConfiguration { DefaultSessionTimeout = 60000 }
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};
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await config.ValidateAsync(ApplicationType.Client);
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// 인증서 로드 확인 (Find 대신 직접 참조)
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var cert = config.SecurityConfiguration.ApplicationCertificate.Certificate;
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if (cert == null)
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{
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Console.WriteLine("❌ [Internal Error] 인증서 주입에 실패했습니다!");
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return;
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}
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Console.WriteLine($"✅ 인증서 로드 성공: {cert.Subject}");
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Console.WriteLine($" 유효기간: {cert.NotBefore:yyyy-MM-dd} ~ {cert.NotAfter:yyyy-MM-dd}");
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Console.WriteLine($" 개인키 포함: {cert.HasPrivateKey}");
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if (!cert.HasPrivateKey)
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{
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Console.WriteLine("❌ 개인키가 없습니다. PFX 파일 또는 KeyStorageFlags를 확인하세요.");
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return;
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}
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Console.WriteLine("\nStep 1: Discovering endpoints...");
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// 2. Endpoint 검색
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var endpointConfig = EndpointConfiguration.Create(config);
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endpointConfig.OperationTimeout = 10000;
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var discoveryClient = await DiscoveryClient.CreateAsync(
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new Uri(endpoint),
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endpointConfig,
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config,
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DiagnosticsMasks.None,
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CancellationToken.None);
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var endpoints = await discoveryClient.GetEndpointsAsync(null);
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discoveryClient.Dispose();
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if (endpoints == null || endpoints.Count == 0)
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{
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Console.WriteLine("❌ No endpoints found!");
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return;
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}
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Console.WriteLine($"✅ Found {endpoints.Count} endpoint(s)");
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foreach (var ep in endpoints)
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{
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Console.WriteLine($" - {ep.EndpointUrl} ({ep.SecurityMode})");
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}
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Console.WriteLine("\nStep 2: Creating session...");
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// 3. ConfiguredEndpoint 생성
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var selectedEndpoint = endpoints[0];
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var configuredEndpoint = new ConfiguredEndpoint(
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null,
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selectedEndpoint,
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EndpointConfiguration.Create(config));
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// 4. Session 생성
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session = await Session.Create(
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config,
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configuredEndpoint,
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false,
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"OPC Test Session",
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60000,
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new UserIdentity(new AnonymousIdentityToken()),
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null);
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Console.WriteLine($"✅ Connected!");
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Console.WriteLine($" Session ID: {session.SessionId}");
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Console.WriteLine("\nStep 3: Reading server info...");
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await ReadServerInfoAsync(session);
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Console.WriteLine("\nStep 4: Checking redundancy...");
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await CheckRedundancyAsync(session);
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Console.WriteLine("\nStep 5: Browsing nodes...");
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await BrowseNodesAsync(session);
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Console.WriteLine("\n✅ All tests completed!");
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}
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catch (Exception ex)
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{
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Console.WriteLine($"\n❌ Error: {ex.Message}");
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Console.WriteLine($"Type: {ex.GetType().Name}");
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if (ex.InnerException != null)
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{
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Console.WriteLine($"Inner: {ex.InnerException.Message}");
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}
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}
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finally
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{
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if (session != null)
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{
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try
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{
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Console.WriteLine("\nClosing session...");
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await session.CloseAsync();
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session.Dispose();
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Console.WriteLine("✅ Session closed");
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}
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catch { }
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}
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}
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Console.WriteLine("\nPress Enter to exit...");
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Console.ReadLine();
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}
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static async Task ReadServerInfoAsync(ISession session)
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{
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try
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{
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// Server State
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var state = await session.ReadValueAsync(
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new NodeId(Variables.Server_ServerStatus_State));
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Console.WriteLine($" State: {state.Value}");
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// Server Time
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var time = await session.ReadValueAsync(
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new NodeId(Variables.Server_ServerStatus_CurrentTime));
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Console.WriteLine($" Time: {time.Value}");
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}
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catch (Exception ex)
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{
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Console.WriteLine($" Error: {ex.Message}");
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}
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}
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static async Task CheckRedundancyAsync(ISession session)
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{
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try
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{
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var serviceLevel = await session.ReadValueAsync(
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new NodeId(Variables.Server_ServiceLevel));
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byte level = Convert.ToByte(serviceLevel.Value);
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Console.WriteLine($" Service Level: {level}");
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if (level >= 200)
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Console.WriteLine(" ✅ PRIMARY server");
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else if (level > 0)
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Console.WriteLine(" ⚠️ SECONDARY server");
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else
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Console.WriteLine(" ℹ️ STANDALONE");
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}
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catch (Exception ex)
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{
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Console.WriteLine($" Error: {ex.Message}");
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}
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}
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static async Task BrowseNodesAsync(ISession session)
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{
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try
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{
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var browser = new Browser(session)
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{
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BrowseDirection = BrowseDirection.Forward,
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ReferenceTypeId = ReferenceTypeIds.HierarchicalReferences,
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IncludeSubtypes = true,
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NodeClassMask = (int)(NodeClass.Object | NodeClass.Variable)
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};
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var references = await browser.BrowseAsync(ObjectIds.ObjectsFolder);
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Console.WriteLine($" Found {references.Count} top-level nodes:");
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int count = 0;
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foreach (var r in references)
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{
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Console.WriteLine($" {r.DisplayName} ({r.NodeClass})");
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if (++count >= 5)
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{
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Console.WriteLine($" ... and {references.Count - 5} more");
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break;
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($" Error: {ex.Message}");
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}
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}
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}
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}
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