Implement LmxOpcUa server — all 6 phases complete
Full OPC UA server on .NET Framework 4.8 (x86) exposing AVEVA System Platform Galaxy tags via MXAccess. Mirrors Galaxy object hierarchy as OPC UA address space, translating contained-name browse paths to tag-name runtime references. Components implemented: - Configuration: AppConfiguration with 4 sections, validator - Domain: ConnectionState, Quality, Vtq, MxDataTypeMapper, error codes - MxAccess: StaComThread, MxAccessClient (partial classes), MxProxyAdapter using strongly-typed ArchestrA.MxAccess COM interop - Galaxy Repository: SQL queries (hierarchy, attributes, change detection), ChangeDetectionService with auto-rebuild on deploy - OPC UA Server: LmxNodeManager (CustomNodeManager2), LmxOpcUaServer, OpcUaServerHost with programmatic config, SecurityPolicy None - Status Dashboard: HTTP server with HTML/JSON/health endpoints - Integration: Full 14-step startup, graceful shutdown, component wiring 175 tests (174 unit + 1 integration), all passing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Joseph Doherty
146
src/ZB.MOM.WW.LmxOpcUa.Host/Status/StatusReportService.cs
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146
src/ZB.MOM.WW.LmxOpcUa.Host/Status/StatusReportService.cs
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using System;
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using System.Text;
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using System.Text.Json;
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using ZB.MOM.WW.LmxOpcUa.Host.Domain;
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using ZB.MOM.WW.LmxOpcUa.Host.GalaxyRepository;
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using ZB.MOM.WW.LmxOpcUa.Host.Metrics;
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using ZB.MOM.WW.LmxOpcUa.Host.OpcUa;
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namespace ZB.MOM.WW.LmxOpcUa.Host.Status
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{
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/// <summary>
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/// Aggregates status from all components and generates HTML/JSON reports. (DASH-001 through DASH-009)
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/// </summary>
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public class StatusReportService
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{
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private readonly HealthCheckService _healthCheck;
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private readonly int _refreshIntervalSeconds;
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private IMxAccessClient? _mxAccessClient;
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private PerformanceMetrics? _metrics;
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private GalaxyRepositoryStats? _galaxyStats;
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private OpcUaServerHost? _serverHost;
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public StatusReportService(HealthCheckService healthCheck, int refreshIntervalSeconds)
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{
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_healthCheck = healthCheck;
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_refreshIntervalSeconds = refreshIntervalSeconds;
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}
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public void SetComponents(IMxAccessClient? mxAccessClient, PerformanceMetrics? metrics,
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GalaxyRepositoryStats? galaxyStats, OpcUaServerHost? serverHost)
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{
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_mxAccessClient = mxAccessClient;
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_metrics = metrics;
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_galaxyStats = galaxyStats;
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_serverHost = serverHost;
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}
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public StatusData GetStatusData()
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{
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var connectionState = _mxAccessClient?.State ?? ConnectionState.Disconnected;
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return new StatusData
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{
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Connection = new ConnectionInfo
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{
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State = connectionState.ToString(),
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ReconnectCount = _mxAccessClient?.ReconnectCount ?? 0,
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ActiveSessions = _serverHost?.ActiveSessionCount ?? 0
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},
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Health = _healthCheck.CheckHealth(connectionState, _metrics),
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Subscriptions = new SubscriptionInfo
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{
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ActiveCount = _mxAccessClient?.ActiveSubscriptionCount ?? 0
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},
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Galaxy = new GalaxyInfo
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{
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GalaxyName = _galaxyStats?.GalaxyName ?? "",
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DbConnected = _galaxyStats?.DbConnected ?? false,
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LastDeployTime = _galaxyStats?.LastDeployTime,
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ObjectCount = _galaxyStats?.ObjectCount ?? 0,
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AttributeCount = _galaxyStats?.AttributeCount ?? 0,
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LastRebuildTime = _galaxyStats?.LastRebuildTime
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},
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Operations = _metrics?.GetStatistics() ?? new(),
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Footer = new FooterInfo
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{
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Timestamp = DateTime.UtcNow,
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Version = typeof(StatusReportService).Assembly.GetName().Version?.ToString() ?? "1.0.0"
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}
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};
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}
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public string GenerateHtml()
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{
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var data = GetStatusData();
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var sb = new StringBuilder();
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sb.AppendLine("<!DOCTYPE html><html><head>");
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sb.AppendLine($"<meta http-equiv='refresh' content='{_refreshIntervalSeconds}'>");
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sb.AppendLine("<title>LmxOpcUa Status</title>");
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sb.AppendLine("<style>");
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sb.AppendLine("body { font-family: monospace; background: #1a1a2e; color: #eee; padding: 20px; }");
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sb.AppendLine(".panel { border: 2px solid #444; border-radius: 8px; padding: 15px; margin: 10px 0; }");
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sb.AppendLine(".green { border-color: #00cc66; } .red { border-color: #cc3333; } .yellow { border-color: #cccc33; } .gray { border-color: #666; }");
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sb.AppendLine("table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 4px 8px; border-bottom: 1px solid #333; }");
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sb.AppendLine("h2 { margin: 0 0 10px 0; } h1 { color: #66ccff; }");
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sb.AppendLine("</style></head><body>");
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sb.AppendLine("<h1>LmxOpcUa Status Dashboard</h1>");
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// Connection panel
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var connColor = data.Connection.State == "Connected" ? "green" : data.Connection.State == "Connecting" ? "yellow" : "red";
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sb.AppendLine($"<div class='panel {connColor}'><h2>Connection</h2>");
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sb.AppendLine($"<p>State: <b>{data.Connection.State}</b> | Reconnects: {data.Connection.ReconnectCount} | Sessions: {data.Connection.ActiveSessions}</p>");
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sb.AppendLine("</div>");
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// Health panel
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sb.AppendLine($"<div class='panel {data.Health.Color}'><h2>Health</h2>");
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sb.AppendLine($"<p>Status: <b>{data.Health.Status}</b> — {data.Health.Message}</p>");
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sb.AppendLine("</div>");
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// Subscriptions panel
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sb.AppendLine("<div class='panel gray'><h2>Subscriptions</h2>");
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sb.AppendLine($"<p>Active: {data.Subscriptions.ActiveCount}</p>");
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sb.AppendLine("</div>");
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// Galaxy Info panel
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sb.AppendLine("<div class='panel gray'><h2>Galaxy Info</h2>");
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sb.AppendLine($"<p>Galaxy: <b>{data.Galaxy.GalaxyName}</b> | DB: {(data.Galaxy.DbConnected ? "Connected" : "Disconnected")}</p>");
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sb.AppendLine($"<p>Last Deploy: {data.Galaxy.LastDeployTime:O} | Objects: {data.Galaxy.ObjectCount} | Attributes: {data.Galaxy.AttributeCount}</p>");
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sb.AppendLine($"<p>Last Rebuild: {data.Galaxy.LastRebuildTime:O}</p>");
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sb.AppendLine("</div>");
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// Operations table
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sb.AppendLine("<div class='panel gray'><h2>Operations</h2>");
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sb.AppendLine("<table><tr><th>Operation</th><th>Count</th><th>Success Rate</th><th>Avg (ms)</th><th>Min (ms)</th><th>Max (ms)</th><th>P95 (ms)</th></tr>");
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foreach (var kvp in data.Operations)
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{
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var s = kvp.Value;
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sb.AppendLine($"<tr><td>{kvp.Key}</td><td>{s.TotalCount}</td><td>{s.SuccessRate:P1}</td>" +
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$"<td>{s.AverageMilliseconds:F1}</td><td>{s.MinMilliseconds:F1}</td><td>{s.MaxMilliseconds:F1}</td><td>{s.Percentile95Milliseconds:F1}</td></tr>");
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}
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sb.AppendLine("</table></div>");
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// Footer
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sb.AppendLine("<div class='panel gray'><h2>Footer</h2>");
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sb.AppendLine($"<p>Generated: {data.Footer.Timestamp:O} | Version: {data.Footer.Version}</p>");
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sb.AppendLine("</div>");
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sb.AppendLine("</body></html>");
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return sb.ToString();
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}
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public string GenerateJson()
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{
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var data = GetStatusData();
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return JsonSerializer.Serialize(data, new JsonSerializerOptions { WriteIndented = true });
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}
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public bool IsHealthy()
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{
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var state = _mxAccessClient?.State ?? ConnectionState.Disconnected;
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return _healthCheck.IsHealthy(state, _metrics);
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}
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}
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}
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