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lmxopcua/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Clusters/Drivers/OpcUaClientDriverPage.razor
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@page "/clusters/{ClusterId}/drivers/new/opcuaclient"
@attribute [Microsoft.AspNetCore.Authorization.Authorize]
@rendermode RenderMode.InteractiveServer
@using Microsoft.AspNetCore.Components.Forms
@using Microsoft.EntityFrameworkCore
@using ZB.MOM.WW.OtOpcUa.AdminUI.Clients
@using ZB.MOM.WW.OtOpcUa.AdminUI.Components.Shared.Drivers
@using ZB.MOM.WW.OtOpcUa.AdminUI.Components.Shared.Drivers.Pickers
@using ZB.MOM.WW.OtOpcUa.Configuration
@using ZB.MOM.WW.OtOpcUa.Configuration.Entities
@using ZB.MOM.WW.OtOpcUa.Driver.OpcUaClient
@inject IDbContextFactory<OtOpcUaConfigDbContext> DbFactory
@inject NavigationManager Nav
<div class="d-flex justify-content-between align-items-center mb-3">
<h4 class="mb-0">@(IsNew ? "New OPC UA Client driver" : "Edit OPC UA Client driver") &middot; <span class="mono">@ClusterId</span></h4>
<a href="/clusters/@ClusterId/drivers" class="btn btn-outline-secondary btn-sm">Cancel</a>
</div>
<ClusterNav ClusterId="@ClusterId" ActiveTab="drivers" />
@if (!_loaded)
{
<p>Loading&hellip;</p>
}
else if (!IsNew && _existing is null)
{
<section class="panel notice rise" style="animation-delay:.02s">
Driver instance <span class="mono">@DriverInstanceId</span> was not found in cluster <span class="mono">@ClusterId</span>.
</section>
}
else
{
<EditForm Model="_form" OnValidSubmit="SubmitAsync" FormName="opcuaclientDriverEdit">
<DataAnnotationsValidator />
<DriverFormShell IsNew="IsNew" Busy="_busy" Error="_error"
CancelHref="@($"/clusters/{ClusterId}/drivers")"
OnDelete="@(IsNew ? null : (EventCallback?)EventCallback.Factory.Create(this, DeleteAsync))">
<DriverIdentitySection Model="_identityModel" Namespaces="_namespaces" IsNew="IsNew" ShowDriverType="false" />
@if (!IsNew && !string.IsNullOrEmpty(DriverInstanceId))
{
<DriverStatusPanel DriverInstanceId="@DriverInstanceId" Enabled="@_identityModel.Enabled" />
}
<div class="mt-2 mb-3">
<DriverTestConnectButton DriverType="@DriverTypeKey"
GetConfigJson="@SerializeCurrentConfig"
TimeoutSeconds="@_form.OpcUa.ProbeTimeoutSeconds" />
<button type="button" class="btn btn-sm btn-outline-secondary mt-2"
@onclick="@(() => _showPicker = true)">
Pick address
</button>
</div>
<DriverTagPicker @bind-Visible="_showPicker"
Title="OPC UA address"
CurrentAddress="@_pickedAddress"
OnPickAddress="@OnAddressPicked">
<OpcUaClientAddressPickerBody CurrentAddress="@_pickedAddress"
CurrentAddressChanged="@((s) => _pickedAddress = s)"
GetConfigJson="@SerializeCurrentConfig" />
</DriverTagPicker>
@* Endpoint *@
<section class="panel rise mt-3" style="animation-delay:.06s">
<div class="panel-head">Endpoint</div>
<div style="padding:1rem">
<div class="row g-3">
<div class="col-md-8">
<label class="form-label">Endpoint URL</label>
<InputText @bind-Value="_form.OpcUa.EndpointUrl" class="form-control form-control-sm mono"
placeholder="opc.tcp://plc.internal:4840" />
<div class="form-text">Single-endpoint shortcut. When EndpointUrls list is non-empty, this field is ignored.</div>
</div>
<div class="col-md-4">
<label class="form-label">Browse root NodeId (blank = ObjectsFolder)</label>
<InputText @bind-Value="_form.OpcUa.BrowseRoot" class="form-control form-control-sm mono"
placeholder="i=85" />
<div class="form-text">Restrict mirroring to a sub-tree.</div>
</div>
<div class="col-md-4">
<label class="form-label">Application URI</label>
<InputText @bind-Value="_form.OpcUa.ApplicationUri" class="form-control form-control-sm mono" />
</div>
<div class="col-md-4">
<label class="form-label">Session name</label>
<InputText @bind-Value="_form.OpcUa.SessionName" class="form-control form-control-sm" />
</div>
<div class="col-md-4">
<div class="form-check form-switch mt-4">
<InputCheckbox @bind-Value="_form.OpcUa.AutoAcceptCertificates" class="form-check-input" id="autoAcceptCerts" />
<label class="form-check-label" for="autoAcceptCerts">Auto-accept certificates <span class="badge bg-warning text-dark">Dev only</span></label>
</div>
</div>
</div>
<div class="row g-3 mt-1">
<div class="col-md-3">
<label class="form-label">Per-endpoint connect timeout (s)</label>
<InputNumber @bind-Value="_form.OpcUa.PerEndpointConnectTimeoutSeconds" class="form-control form-control-sm" />
<div class="form-text">Default 3 s — failover sweep budget.</div>
</div>
<div class="col-md-3">
<label class="form-label">Operation timeout (s)</label>
<InputNumber @bind-Value="_form.OpcUa.TimeoutSeconds" class="form-control form-control-sm" />
<div class="form-text">Default 10 s — steady-state reads/writes.</div>
</div>
<div class="col-md-3">
<label class="form-label">Session timeout (s)</label>
<InputNumber @bind-Value="_form.OpcUa.SessionTimeoutSeconds" class="form-control form-control-sm" />
<div class="form-text">Default 120 s.</div>
</div>
<div class="col-md-3">
<label class="form-label">Keep-alive interval (s)</label>
<InputNumber @bind-Value="_form.OpcUa.KeepAliveIntervalSeconds" class="form-control form-control-sm" />
<div class="form-text">Default 5 s.</div>
</div>
<div class="col-md-3">
<label class="form-label">Reconnect period (s)</label>
<InputNumber @bind-Value="_form.OpcUa.ReconnectPeriodSeconds" class="form-control form-control-sm" />
<div class="form-text">Initial delay after session drop. Default 5 s.</div>
</div>
<div class="col-md-3">
<label class="form-label">Max discovered nodes</label>
<InputNumber @bind-Value="_form.OpcUa.MaxDiscoveredNodes" class="form-control form-control-sm" />
<div class="form-text">Default 10000.</div>
</div>
<div class="col-md-3">
<label class="form-label">Max browse depth</label>
<InputNumber @bind-Value="_form.OpcUa.MaxBrowseDepth" class="form-control form-control-sm" />
<div class="form-text">Default 10.</div>
</div>
</div>
<div class="row g-3 mt-1">
<div class="col-12">
<CollectionEditor TRow="EndpointUrlRow" Items="_endpoints"
Title="Endpoint URLs" ItemNoun="endpoint" AnimationDelay=".07s"
NewRow="@(() => new EndpointUrlRow())" Clone="@(r => r.Clone())"
Validate="EndpointUrlRow.ValidateRow">
<HeaderTemplate>
<tr><th>Endpoint URL (failover list — first reachable wins)</th><th></th></tr>
</HeaderTemplate>
<RowTemplate Context="e">
<td class="mono">@e.Url</td>
</RowTemplate>
<EditTemplate Context="e">
<label class="form-label">Endpoint URL</label>
<input class="form-control form-control-sm mono" @bind="e.Url"
placeholder="opc.tcp://plc.internal:4840" />
<div class="form-text">When this list is non-empty, the single Endpoint URL above is ignored.</div>
</EditTemplate>
</CollectionEditor>
</div>
</div>
</div>
</section>
@* Security *@
<section class="panel rise mt-3" style="animation-delay:.08s">
<div class="panel-head">Security</div>
<div style="padding:1rem">
<div class="row g-3">
<div class="col-md-4">
<label class="form-label">Security mode</label>
<InputSelect @bind-Value="_form.OpcUa.SecurityMode" class="form-select form-select-sm">
@foreach (var e in Enum.GetValues<OpcUaSecurityMode>())
{
<option value="@e">@e</option>
}
</InputSelect>
</div>
<div class="col-md-4">
<label class="form-label">Security policy</label>
<InputSelect @bind-Value="_form.OpcUa.SecurityPolicy" class="form-select form-select-sm">
@foreach (var e in Enum.GetValues<OpcUaSecurityPolicy>())
{
<option value="@e">@e</option>
}
</InputSelect>
</div>
</div>
</div>
</section>
@* Authentication *@
<section class="panel rise mt-3" style="animation-delay:.10s">
<div class="panel-head">Authentication</div>
<div style="padding:1rem">
<div class="row g-3">
<div class="col-md-4">
<label class="form-label">Auth type</label>
<InputSelect @bind-Value="_form.OpcUa.AuthType" class="form-select form-select-sm">
@foreach (var e in Enum.GetValues<OpcUaAuthType>())
{
<option value="@e">@e</option>
}
</InputSelect>
</div>
@if (_form.OpcUa.AuthType == OpcUaAuthType.Username)
{
<div class="col-md-4">
<label class="form-label">Username</label>
<InputText @bind-Value="_form.OpcUa.Username" class="form-control form-control-sm" />
</div>
<div class="col-md-4">
<label class="form-label">Password</label>
<InputText @bind-Value="_form.OpcUa.Password" type="password" class="form-control form-control-sm" autocomplete="new-password" />
</div>
}
@if (_form.OpcUa.AuthType == OpcUaAuthType.Certificate)
{
<div class="col-md-6">
<label class="form-label">User certificate path (PFX/PEM)</label>
<InputText @bind-Value="_form.OpcUa.UserCertificatePath" class="form-control form-control-sm mono"
placeholder="C:\certs\user.pfx" />
</div>
<div class="col-md-4">
<label class="form-label">Certificate password (if PFX-locked)</label>
<InputText @bind-Value="_form.OpcUa.UserCertificatePassword" type="password" class="form-control form-control-sm" autocomplete="new-password" />
</div>
}
</div>
</div>
</section>
@* Namespace mapping *@
<section class="panel rise mt-3" style="animation-delay:.12s">
<div class="panel-head">Namespace mapping</div>
<div style="padding:1rem">
<div class="row g-3">
<div class="col-md-4">
<label class="form-label">Target namespace kind</label>
<InputSelect @bind-Value="_form.OpcUa.TargetNamespaceKind" class="form-select form-select-sm">
@foreach (var e in Enum.GetValues<OpcUaTargetNamespaceKind>())
{
<option value="@e">@e</option>
}
</InputSelect>
<div class="form-text">Equipment = raw data re-mapped to UNS. SystemPlatform = processed data; hierarchy preserved as-is.</div>
</div>
<div class="col-12">
<label class="form-label">UNS mapping table (read-only — edit via raw JSON import)</label>
<pre class="form-control form-control-sm mono" style="min-height:3rem;overflow:auto;white-space:pre-wrap;">@_unsMappingTableJson</pre>
<div class="form-text">Keys = remote browse-path prefixes; values = UNS Area/Line/Name paths. Required when TargetNamespaceKind = Equipment.</div>
</div>
</div>
</div>
</section>
@* Diagnostics *@
<section class="panel rise mt-3" style="animation-delay:.14s">
<div class="panel-head">Diagnostics</div>
<div style="padding:1rem">
<div class="row g-3">
<div class="col-md-3">
<label class="form-label">Admin UI probe timeout (seconds)</label>
<InputNumber @bind-Value="_form.OpcUa.ProbeTimeoutSeconds" class="form-control form-control-sm" />
<div class="form-text">Max 60. Used by Test Connect. Default 15.</div>
</div>
</div>
</div>
</section>
<DriverResilienceSection @bind-ResilienceConfig="_form.ResilienceConfig" />
</DriverFormShell>
</EditForm>
}
@code {
[Parameter] public string ClusterId { get; set; } = "";
[Parameter] public string? DriverInstanceId { get; set; }
private const string DriverTypeKey = "OpcUaClient";
private bool IsNew => string.IsNullOrEmpty(DriverInstanceId);
private static readonly System.Text.Json.JsonSerializerOptions _jsonOpts = new()
{
PropertyNamingPolicy = System.Text.Json.JsonNamingPolicy.CamelCase,
UnmappedMemberHandling = System.Text.Json.Serialization.JsonUnmappedMemberHandling.Skip,
WriteIndented = false,
};
private FormModel _form = new();
private DriverIdentitySection.DriverIdentityModel _identityModel = new() { DriverType = DriverTypeKey };
private DriverInstance? _existing;
private List<Namespace> _namespaces = new();
private bool _loaded;
private bool _busy;
private string? _error;
// Address picker state
private bool _showPicker;
private string _pickedAddress = "";
private void OnAddressPicked(string address) => _pickedAddress = address;
// Held separately because EndpointUrls is a collection — edited via the CollectionEditor modal.
private List<EndpointUrlRow> _endpoints = [];
// Read-only JSON snippet for the UnsMappingTable, which has no list editor yet.
private string _unsMappingTableJson = "{}";
protected override async Task OnInitializedAsync()
{
await using var db = await DbFactory.CreateDbContextAsync();
_namespaces = await db.Namespaces.AsNoTracking()
.Where(n => n.ClusterId == ClusterId)
.OrderBy(n => n.NamespaceId)
.ToListAsync();
if (IsNew)
{
_identityModel = new()
{
DriverInstanceId = "",
Name = "",
DriverType = DriverTypeKey,
NamespaceId = _namespaces.FirstOrDefault()?.NamespaceId ?? "",
Enabled = true,
};
_form = new FormModel();
}
else
{
_existing = await db.DriverInstances.AsNoTracking()
.FirstOrDefaultAsync(d => d.ClusterId == ClusterId && d.DriverInstanceId == DriverInstanceId);
if (_existing is not null)
{
_identityModel = new()
{
DriverInstanceId = _existing.DriverInstanceId,
Name = _existing.Name,
DriverType = _existing.DriverType,
NamespaceId = _existing.NamespaceId,
Enabled = _existing.Enabled,
};
var opts = TryDeserialize(_existing.DriverConfig) ?? new OpcUaClientDriverOptions();
_form = new FormModel();
_form.OpcUa = OpcUaClientFormModel.FromRecord(opts);
_endpoints = opts.EndpointUrls.Select(EndpointUrlRow.FromUrl).ToList();
_unsMappingTableJson = System.Text.Json.JsonSerializer.Serialize(opts.UnsMappingTable, _jsonOpts);
_form.ResilienceConfig = _existing.ResilienceConfig;
_form.RowVersion = _existing.RowVersion;
}
}
_loaded = true;
}
private async Task SubmitAsync()
{
_busy = true; _error = null;
try
{
var opts = _form.OpcUa.ToRecord(_endpoints.Select(r => r.ToUrl()).ToList());
var configJson = System.Text.Json.JsonSerializer.Serialize(opts, _jsonOpts);
await using var db = await DbFactory.CreateDbContextAsync();
if (IsNew)
{
if (await db.DriverInstances.AnyAsync(d => d.DriverInstanceId == _identityModel.DriverInstanceId))
{
_error = $"Driver instance '{_identityModel.DriverInstanceId}' already exists."; return;
}
db.DriverInstances.Add(new DriverInstance
{
DriverInstanceId = _identityModel.DriverInstanceId,
ClusterId = ClusterId,
NamespaceId = _identityModel.NamespaceId,
Name = _identityModel.Name,
DriverType = DriverTypeKey,
Enabled = _identityModel.Enabled,
DriverConfig = configJson,
ResilienceConfig = string.IsNullOrWhiteSpace(_form.ResilienceConfig) ? null : _form.ResilienceConfig,
});
}
else
{
var entity = await db.DriverInstances.FirstOrDefaultAsync(
d => d.ClusterId == ClusterId && d.DriverInstanceId == DriverInstanceId);
if (entity is null) { _error = "Row no longer exists."; return; }
db.Entry(entity).Property(e => e.RowVersion).OriginalValue = _form.RowVersion;
entity.NamespaceId = _identityModel.NamespaceId;
entity.Name = _identityModel.Name;
entity.Enabled = _identityModel.Enabled;
entity.DriverConfig = configJson;
entity.ResilienceConfig = string.IsNullOrWhiteSpace(_form.ResilienceConfig) ? null : _form.ResilienceConfig;
}
await db.SaveChangesAsync();
Nav.NavigateTo($"/clusters/{ClusterId}/drivers");
}
catch (DbUpdateConcurrencyException)
{
_error = "Another user changed this driver instance while you were editing. Reload to see the latest values, then re-apply your changes.";
}
catch (Exception ex) { _error = ex.Message; }
finally { _busy = false; }
}
private async Task DeleteAsync()
{
if (IsNew) return;
_busy = true; _error = null;
try
{
await using var db = await DbFactory.CreateDbContextAsync();
var entity = await db.DriverInstances.FirstOrDefaultAsync(
d => d.ClusterId == ClusterId && d.DriverInstanceId == DriverInstanceId);
if (entity is null) { Nav.NavigateTo($"/clusters/{ClusterId}/drivers"); return; }
db.Entry(entity).Property(e => e.RowVersion).OriginalValue = _form.RowVersion;
db.DriverInstances.Remove(entity);
await db.SaveChangesAsync();
Nav.NavigateTo($"/clusters/{ClusterId}/drivers");
}
catch (DbUpdateConcurrencyException)
{
_error = "Another user changed this driver instance while you were viewing it. Reload before deleting.";
}
catch (Exception ex)
{
_error = $"Delete failed: {ex.Message}. (Likely because equipment/tags still reference this driver — remove them first.)";
}
finally { _busy = false; }
}
private string SerializeCurrentConfig()
=> System.Text.Json.JsonSerializer.Serialize(
_form.OpcUa.ToRecord(_endpoints.Select(r => r.ToUrl()).ToList()), _jsonOpts);
private static OpcUaClientDriverOptions? TryDeserialize(string json)
{
try { return System.Text.Json.JsonSerializer.Deserialize<OpcUaClientDriverOptions>(json, _jsonOpts); }
catch { return null; }
}
public sealed class FormModel
{
public OpcUaClientFormModel OpcUa { get; set; } = new();
public string? ResilienceConfig { get; set; }
public byte[] RowVersion { get; set; } = [];
}
/// <summary>
/// Mutable VM for a single endpoint URL row. EndpointUrls is a plain
/// <c>List&lt;string&gt;</c> (a failover list) so the row is a thin wrapper the
/// <see cref="CollectionEditor{TRow}"/> modal can bind to.
/// </summary>
public sealed class EndpointUrlRow
{
public string Url { get; set; } = "";
public EndpointUrlRow Clone() => (EndpointUrlRow)MemberwiseClone();
public static EndpointUrlRow FromUrl(string u) => new() { Url = u };
public string ToUrl() => Url.Trim();
public static string? ValidateRow(EndpointUrlRow row, IReadOnlyList<EndpointUrlRow> all, int? editIndex)
{
if (string.IsNullOrWhiteSpace(row.Url)) return "URL is required.";
if (!row.Url.Trim().StartsWith("opc.tcp://", StringComparison.OrdinalIgnoreCase))
return "Endpoint URL must start with opc.tcp://";
for (var i = 0; i < all.Count; i++)
if (i != editIndex && string.Equals(all[i].Url.Trim(), row.Url.Trim(), StringComparison.OrdinalIgnoreCase))
return $"Duplicate endpoint '{row.Url}'.";
return null;
}
}
/// <summary>
/// Mutable mirror of <see cref="OpcUaClientDriverOptions"/> with int wrappers for
/// TimeSpan fields so Blazor InputNumber can bind them.
/// EndpointUrls is edited via the CollectionEditor (held on the page as a row list and
/// threaded into <see cref="ToRecord"/>); UnsMappingTable is shown as read-only JSON and
/// survives round-trip via the original deserialized record, re-serialized unchanged.
/// </summary>
public sealed class OpcUaClientFormModel
{
// Connection
public string EndpointUrl { get; set; } = "opc.tcp://localhost:4840";
public string? BrowseRoot { get; set; }
public string ApplicationUri { get; set; } = "urn:localhost:OtOpcUa:GatewayClient";
public string SessionName { get; set; } = "OtOpcUa-Gateway";
public bool AutoAcceptCertificates { get; set; } = false;
public int PerEndpointConnectTimeoutSeconds { get; set; } = 3;
public int TimeoutSeconds { get; set; } = 10;
public int SessionTimeoutSeconds { get; set; } = 120;
public int KeepAliveIntervalSeconds { get; set; } = 5;
public int ReconnectPeriodSeconds { get; set; } = 5;
public int MaxDiscoveredNodes { get; set; } = 10_000;
public int MaxBrowseDepth { get; set; } = 10;
// Security
public OpcUaSecurityMode SecurityMode { get; set; } = OpcUaSecurityMode.None;
public OpcUaSecurityPolicy SecurityPolicy { get; set; } = OpcUaSecurityPolicy.None;
// Authentication
public OpcUaAuthType AuthType { get; set; } = OpcUaAuthType.Anonymous;
public string? Username { get; set; }
public string? Password { get; set; }
public string? UserCertificatePath { get; set; }
public string? UserCertificatePassword { get; set; }
// Namespace mapping
public OpcUaTargetNamespaceKind TargetNamespaceKind { get; set; } = OpcUaTargetNamespaceKind.Equipment;
// Diagnostics
public int ProbeTimeoutSeconds { get; set; } = 15;
// Preserved read-only collection (round-tripped unchanged from original record)
internal IReadOnlyDictionary<string, string> _unsMappingTable = new System.Collections.Generic.Dictionary<string, string>();
public static OpcUaClientFormModel FromRecord(OpcUaClientDriverOptions r) => new()
{
EndpointUrl = r.EndpointUrl,
BrowseRoot = r.BrowseRoot,
ApplicationUri = r.ApplicationUri,
SessionName = r.SessionName,
AutoAcceptCertificates = r.AutoAcceptCertificates,
PerEndpointConnectTimeoutSeconds = (int)r.PerEndpointConnectTimeout.TotalSeconds,
TimeoutSeconds = (int)r.Timeout.TotalSeconds,
SessionTimeoutSeconds = (int)r.SessionTimeout.TotalSeconds,
KeepAliveIntervalSeconds = (int)r.KeepAliveInterval.TotalSeconds,
ReconnectPeriodSeconds = (int)r.ReconnectPeriod.TotalSeconds,
MaxDiscoveredNodes = r.MaxDiscoveredNodes,
MaxBrowseDepth = r.MaxBrowseDepth,
SecurityMode = r.SecurityMode,
SecurityPolicy = r.SecurityPolicy,
AuthType = r.AuthType,
Username = r.Username,
Password = r.Password,
UserCertificatePath = r.UserCertificatePath,
UserCertificatePassword = r.UserCertificatePassword,
TargetNamespaceKind = r.TargetNamespaceKind,
ProbeTimeoutSeconds = r.ProbeTimeoutSeconds,
_unsMappingTable = r.UnsMappingTable,
};
public OpcUaClientDriverOptions ToRecord(IReadOnlyList<string> endpointUrls) => new()
{
EndpointUrl = EndpointUrl,
EndpointUrls = endpointUrls,
BrowseRoot = string.IsNullOrWhiteSpace(BrowseRoot) ? null : BrowseRoot,
ApplicationUri = ApplicationUri,
SessionName = SessionName,
AutoAcceptCertificates = AutoAcceptCertificates,
PerEndpointConnectTimeout = TimeSpan.FromSeconds(PerEndpointConnectTimeoutSeconds),
Timeout = TimeSpan.FromSeconds(TimeoutSeconds),
SessionTimeout = TimeSpan.FromSeconds(SessionTimeoutSeconds),
KeepAliveInterval = TimeSpan.FromSeconds(KeepAliveIntervalSeconds),
ReconnectPeriod = TimeSpan.FromSeconds(ReconnectPeriodSeconds),
MaxDiscoveredNodes = MaxDiscoveredNodes,
MaxBrowseDepth = MaxBrowseDepth,
SecurityMode = SecurityMode,
SecurityPolicy = SecurityPolicy,
AuthType = AuthType,
Username = string.IsNullOrWhiteSpace(Username) ? null : Username,
Password = string.IsNullOrWhiteSpace(Password) ? null : Password,
UserCertificatePath = string.IsNullOrWhiteSpace(UserCertificatePath) ? null : UserCertificatePath,
UserCertificatePassword = string.IsNullOrWhiteSpace(UserCertificatePassword) ? null : UserCertificatePassword,
TargetNamespaceKind = TargetNamespaceKind,
UnsMappingTable = _unsMappingTable,
ProbeTimeoutSeconds = ProbeTimeoutSeconds,
};
}
}