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187
OpcConnectionTest/Program.cs.3wNoError
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187
OpcConnectionTest/Program.cs.3wNoError
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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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using System.Text.Json;
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using System.Text;
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namespace OpcConnectionTest
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{
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public class StatusCodeInfo
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{
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public string Name { get; set; } = "";
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public string Hex { get; set; } = "";
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public ulong Decimal { get; set; }
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public string Description { get; set; } = "";
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}
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class Program
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{
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static Dictionary<uint, StatusCodeInfo> _statusCodeMap = new();
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static void LoadStatusCodes()
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{
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string path = Path.Combine(Directory.GetCurrentDirectory(), "statuscode.json");
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if (!File.Exists(path))
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{
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Console.WriteLine("⚠️ statuscode.json 파일을 찾을 수 없습니다.");
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return;
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}
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try
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{
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var json = File.ReadAllText(path);
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var list = JsonSerializer.Deserialize<List<StatusCodeInfo>>(json);
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if (list != null)
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foreach (var item in list)
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_statusCodeMap[(uint)item.Decimal] = item;
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Console.WriteLine($"✅ StatusCode {_statusCodeMap.Count}개 로드 완료\n");
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}
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catch (Exception ex)
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{
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Console.WriteLine($"❌ statuscode.json 로드 실패: {ex.Message}");
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}
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}
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static async Task Main(string[] args)
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{
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LoadStatusCodes();
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string endpointUrl = "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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string pfxPassword = "";
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string userName = "mngr";
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string password = "mngr";
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if (!File.Exists(pfxPath))
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{
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Console.WriteLine($"❌ PFX 파일 없음: {pfxPath}");
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return;
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}
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var clientCert = new X509Certificate2(
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pfxPath,
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pfxPassword,
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X509KeyStorageFlags.Exportable | X509KeyStorageFlags.MachineKeySet
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);
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if (!clientCert.HasPrivateKey)
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{
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Console.WriteLine("❌ 인증서에 개인키 없음");
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return;
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}
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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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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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Certificate = clientCert
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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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},
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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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config.CertificateValidator.CertificateValidation += (s, e) =>
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{
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Console.WriteLine($"⚠️ 서버 인증서 검증 실패: {e.Error.StatusCode} - {e.Certificate.Subject}");
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};
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await config.ValidateAsync(ApplicationType.Client);
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ISession? session = null;
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try
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{
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Console.WriteLine("Step 1: Discovering endpoints...");
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var discovery = DiscoveryClient.Create(new Uri(endpointUrl));
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var endpoints = discovery.GetEndpoints(null);
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Console.WriteLine($"✅ {endpoints.Count} 엔드포인트 발견");
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foreach (var ep in endpoints)
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Console.WriteLine($" - {ep.EndpointUrl} | {ep.SecurityMode} | {ep.SecurityPolicyUri?.Split('#').Last()}");
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// AES256/SHA256 우선 선택
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var selected = endpoints.FirstOrDefault(ep =>
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ep.SecurityMode == MessageSecurityMode.SignAndEncrypt &&
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ep.SecurityPolicyUri.EndsWith("Basic256Sha256"))
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?? endpoints.First();
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Console.WriteLine($"\n선택된 엔드포인트: {selected.EndpointUrl} ({selected.SecurityMode})");
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var configured = new ConfiguredEndpoint(null, selected, EndpointConfiguration.Create(config));
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// ✅ Session.CreateAsync 사용
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session = await Session.Create(
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config,
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configured,
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false,
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"OPC Test Session",
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60000,
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new UserIdentity(userName, Encoding.UTF8.GetBytes(password)),
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null
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);
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Console.WriteLine($"✅ Connected! SessionID: {session.SessionId}");
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await ReadServerInfoAsync(session);
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}
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catch (ServiceResultException sre)
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{
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uint code = (uint)sre.StatusCode;
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Console.WriteLine($"❌ OPC UA 오류: {sre.Message}");
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Console.WriteLine($" StatusCode: 0x{code:X8}");
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if (_statusCodeMap.TryGetValue(code, out var info))
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Console.WriteLine($" Name: {info.Name}\n Description: {info.Description}");
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else
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Console.WriteLine(" ⚠️ statuscode.json에 정의되지 않은 코드입니다.");
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}
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finally
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{
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if (session != null)
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{
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await session.CloseAsync();
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session.Dispose();
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Console.WriteLine("✅ Session closed");
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}
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}
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Console.WriteLine("\nPress Enter to exit...");
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Console.ReadLine();
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}
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static async Task ReadServerInfoAsync(ISession session)
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{
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var state = await session.ReadValueAsync(Variables.Server_ServerStatus_State);
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var time = await session.ReadValueAsync(Variables.Server_ServerStatus_CurrentTime);
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Console.WriteLine($"Server State: {state.Value}");
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Console.WriteLine($"Current Time: {time.Value}");
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}
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}
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}
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