临时提交

2025-08-25 20:16:57 +08:00
parent 645671e4b9
commit 8290c96b1b
20 changed files with 1024 additions and 448 deletions
--- a/DMS.Infrastructure/Helper/OpcUaHelper.cs
+++ b/DMS.Infrastructure/Helper/OpcUaHelper.cs
@@ -0,0 +1,85 @@
+using Opc.Ua;
+using Opc.Ua.Client;
+using Opc.Ua.Configuration;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace DMS.Infrastructure.Helper;
+
+public static class OpcUaHelper
+{
+    /// <summary>
+    /// 创建并配置 OPC UA 会话。
+    /// </summary>
+    /// <param name="endpointUrl">OPC UA 服务器的终结点 URL。</param>
+    /// <param name="stoppingToken"></param>
+    /// <returns>创建的 Session 对象，如果失败则返回 null。</returns>
+    public static async Task<Session> CreateOpcUaSessionAsync(string endpointUrl, CancellationToken stoppingToken = default)
+    {
+        // 1. 创建应用程序配置
+        var application = new ApplicationInstance
+        {
+            ApplicationName = "OpcUADemoClient",
+            ApplicationType = ApplicationType.Client,
+            ConfigSectionName = "Opc.Ua.Client"
+        };
+
+        var config = new ApplicationConfiguration()
+        {
+            ApplicationName = application.ApplicationName,
+            ApplicationUri = $"urn:{System.Net.Dns.GetHostName()}:OpcUADemoClient",
+            ApplicationType = application.ApplicationType,
+            SecurityConfiguration = new SecurityConfiguration
+            {
+                ApplicationCertificate = new CertificateIdentifier
+                {
+                    StoreType = "Directory",
+                    StorePath = "%CommonApplicationData%/OPC Foundation/CertificateStores/MachineDefault",
+                    SubjectName = application.ApplicationName
+                },
+                TrustedIssuerCertificates = new CertificateTrustList
+                {
+                    StoreType = "Directory",
+                    StorePath = "%CommonApplicationData%/OPC Foundation/CertificateStores/UA Certificate Authorities"
+                },
+                TrustedPeerCertificates = new CertificateTrustList
+                {
+                    StoreType = "Directory",
+                    StorePath = "%CommonApplicationData%/OPC Foundation/CertificateStores/UA Applications"
+                },
+                RejectedCertificateStore = new CertificateTrustList
+                {
+                    StoreType = "Directory",
+                    StorePath = "%CommonApplicationData%/OPC Foundation/CertificateStores/RejectedCertificates"
+                },
+                AutoAcceptUntrustedCertificates = true // 自动接受不受信任的证书 (仅用于测试)
+            },
+            TransportQuotas = new TransportQuotas { OperationTimeout = 15000 },
+            ClientConfiguration = new ClientConfiguration { DefaultSessionTimeout = 60000 },
+            TraceConfiguration = new TraceConfiguration
+            {
+                OutputFilePath = "./Logs/OpcUaClient.log",
+                DeleteOnLoad = true,
+                TraceMasks = Utils.TraceMasks.Error | Utils.TraceMasks.Security
+            }
+        };
+        application.ApplicationConfiguration = config;
+
+        // 验证并检查证书
+        await config.Validate(ApplicationType.Client);
+
+        // 2. 查找并选择端点 (将 useSecurity 设置为 false 以进行诊断)
+        var selectedEndpoint = CoreClientUtils.SelectEndpoint(config, endpointUrl, false);
+
+        var session = await Session.Create(
+            config,
+            new ConfiguredEndpoint(null, selectedEndpoint, EndpointConfiguration.Create(config)),
+            false,
+            "DMS OPC UA Session",
+            60000,
+            new UserIdentity(new AnonymousIdentityToken()),
+            null, stoppingToken);
+        return session;
+    }
+}