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完成打开导入OPC变量对话框自动连接服务器

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This commit is contained in:
David P.G
2025-07-09 21:35:51 +08:00
parent 5915a6c87b
commit b1e79a63df
6 changed files with 81 additions and 56 deletions
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99
Services/OpcUaBackgroundService.cs
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@@ -216,43 +216,76 @@ namespace PMSWPF.Services
{
try
{
// 1. 创建应用程序实例。
ApplicationInstance application = new ApplicationInstance
{
ApplicationName = "PMSWPF OPC UA Client",
ApplicationType = ApplicationType.Client,
ConfigSectionName = "PMSWPF.OpcUaClient"
};
// 1. 创建应用程序配置
var application = new ApplicationInstance
{
ApplicationName = "OpcUADemoClient",
ApplicationType = ApplicationType.Client,
ConfigSectionName = "Opc.Ua.Client"
};
// 2. 加载应用程序配置。
ApplicationConfiguration config = await application.LoadApplicationConfiguration(false);
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;
// 3. 检查应用程序实例证书。
bool haveAppCertificate = await application.CheckApplicationInstanceCertificate(false, 0);
if (!haveAppCertificate)
{
throw new Exception("Application instance certificate invalid!");
}
// 验证并检查证书
await config.Validate(ApplicationType.Client);
await application.CheckApplicationInstanceCertificate(false, 0);
// 4. 发现服务器提供的终结点。
DiscoveryClient discoveryClient = DiscoveryClient.Create(new Uri(device.OpcUaEndpointUrl));
EndpointDescriptionCollection endpoints = discoveryClient.GetEndpoints(new Opc.Ua.StringCollection { device.OpcUaEndpointUrl });
// 简化处理：选择第一个无安全策略的终结点。在生产环境中应选择合适的安全策略。
// ConfiguredEndpoint configuredEndpoint = new ConfiguredEndpoint(null, endpoints.First(e => e.SecurityMode == MessageSecurityMode.None), config);
EndpointDescription selectedEndpoint = CoreClientUtils.SelectEndpoint(application.ApplicationConfiguration, device.OpcUaEndpointUrl, false);
EndpointConfiguration endpointConfiguration = EndpointConfiguration.Create(application.ApplicationConfiguration);
ConfiguredEndpoint configuredEndpoint = new ConfiguredEndpoint(null, selectedEndpoint, endpointConfiguration);
// 2. 查找并选择端点 (将 useSecurity 设置为 false 以进行诊断)
var selectedEndpoint = CoreClientUtils.SelectEndpoint(device.OpcUaEndpointUrl, false);
// 5. 创建会话。
session = await Session.Create(
config,
configuredEndpoint,
false, // 不更新证书
"PMSWPF OPC UA Session", // 会话名称
60000, // 会话超时时间（毫秒）
new UserIdentity(new AnonymousIdentityToken()), // 使用匿名用户身份
null);
session = await Session.Create(
config,
new ConfiguredEndpoint(null, selectedEndpoint, EndpointConfiguration.Create(config)),
false,
"PMSWPF OPC UA Session",
60000,
new UserIdentity(new AnonymousIdentityToken()),
null);
_opcUaSessions[device.OpcUaEndpointUrl] = session;
NlogHelper.Info($"Connected to OPC UA server: {device.OpcUaEndpointUrl}");