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完成添加OPC变量

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This commit is contained in:
David P.G
2025-07-09 19:38:36 +08:00
parent 9352d6c073
commit 61636fa227
5 changed files with 144 additions and 42 deletions
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120
ViewModels/Dialogs/OpcUaImportDialogViewModel.cs
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@@ -23,6 +23,8 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
[ObservableProperty]
private ObservableCollection<VariableData> _selectedNodeVariables;
public List<VariableData> SelectedVariables { get; set; }=new List<VariableData>();
[ObservableProperty]
private bool _selectAllVariables;
@@ -55,7 +57,7 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
};
ApplicationConfiguration config = await application.LoadApplicationConfiguration(false);
// var config = new ApplicationConfiguration()
// {
// ApplicationName = application.ApplicationName,
@@ -127,33 +129,60 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
null);
*/
// 1. 创建应用程序配置
var application = new ApplicationInstance
{
ApplicationName = "OpcUADemoClient",
ApplicationType = ApplicationType.Client,
ConfigSectionName = "Opc.Ua.Client"
};
{
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 }
};
{
ApplicationName = application.ApplicationName,
ApplicationUri = $"urn:{System.Net.Dns.GetHostName()}:OpcUADemoClient",
ApplicationType = application.ApplicationType,
SecurityConfiguration = new SecurityConfiguration
{
ApplicationCertificate = new CertificateIdentifier
{
StoreType = "Directory",
StorePath
= "%CommonApplicationData%/OPC Foundation/CertificateStores/MachineDefault",
SubjectName = application.ApplicationName
},
TrustedIssuerCertificates
= new CertificateTrustList
{
StoreType = "Directory",
StorePath
= "%CommonApplicationData%/OPC Foundation/CertificateStores/UA Certificate Authorities"
},
TrustedPeerCertificates
= new CertificateTrustList
{
StoreType = "Directory",
StorePath
= "%CommonApplicationData%/OPC Foundation/CertificateStores/UA Applications"
},
RejectedCertificateStore
= new CertificateTrustList
{
StoreType = "Directory",
StorePath
= "%CommonApplicationData%/OPC Foundation/CertificateStores/RejectedCertificates"
},
AutoAcceptUntrustedCertificates = true // 自动接受不受信任的证书 (仅用于测试)
},
TransportQuotas = new TransportQuotas { OperationTimeout = 15000 },
ClientConfiguration = new ClientConfiguration { DefaultSessionTimeout = 60000 },
TraceConfiguration = new TraceConfiguration
{
OutputFilePath = "./Logs/OpcUaClient.log", DeleteOnLoad = true,
TraceMasks = Utils.TraceMasks.Error | Utils.TraceMasks.Security
}
};
application.ApplicationConfiguration = config;
// 验证并检查证书
@@ -162,7 +191,7 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
// 2. 查找并选择端点 (将 useSecurity 设置为 false 以进行诊断)
var selectedEndpoint = CoreClientUtils.SelectEndpoint(EndpointUrl, false);
_session = await Session.Create(
config,
new ConfiguredEndpoint(null, selectedEndpoint, EndpointConfiguration.Create(config)),
@@ -183,6 +212,7 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
NotificationHelper.ShowError($"连接 OPC UA 服务器失败: {EndpointUrl} - {ex.Message}", ex);
}
}
/// <summary>
/// 处理来自服务器的数据变化通知
/// </summary>
@@ -190,7 +220,8 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
{
foreach (var value in item.DequeueValues())
{
Console.WriteLine($"[通知] {item.DisplayName}: {value.Value} | 时间戳: {value.SourceTimestamp.ToLocalTime()} | 状态: {value.StatusCode}");
Console.WriteLine(
$"[通知] {item.DisplayName}: {value.Value} | 时间戳: {value.SourceTimestamp.ToLocalTime()} | 状态: {value.StatusCode}");
}
}
@@ -309,13 +340,42 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
// 如果是变量，添加到右侧列表
if (nodeType == NodeType.Variable)
{
// Read the DataType attribute
ReadValueId readValueId = new ReadValueId
{
NodeId = opcUaNode.NodeId,
AttributeId = Attributes.DataType,
// You might need to specify IndexRange and DataEncoding if dealing with arrays or specific encodings
};
DataValueCollection results;
DiagnosticInfoCollection diagnosticInfos;
_session.Read(
null, // RequestHeader
0, // MaxAge
TimestampsToReturn.Source,
new ReadValueIdCollection { readValueId },
out results,
out diagnosticInfos
);
string dataType = string.Empty;
if (results != null && results.Count > 0 && results[0].Value != null)
{
// Convert the NodeId of the DataType to a readable string
NodeId dataTypeNodeId = (NodeId)results[0].Value;
dataType = _session.NodeCache.GetDisplayText(dataTypeNodeId);
}
SelectedNodeVariables.Add(new VariableData
{
Name = opcUaNode.DisplayName,
NodeId = opcUaNode.NodeId.ToString(),
OpcUaNodeId = opcUaNode.NodeId.ToString(),
ProtocolType = ProtocolType.OpcUA,
IsActive = true // 默认选中
IsActive = true, // Default selected
DataType = dataType // Assign the read DataType
});
}
}
@@ -335,6 +395,6 @@ public partial class OpcUaImportDialogViewModel : ObservableObject
public ObservableCollection<VariableData> GetSelectedVariables()
{
return new ObservableCollection<VariableData>(SelectedNodeVariables.Where(v => v.IsActive));
return new ObservableCollection<VariableData>(SelectedVariables);
}
}
}