initialization message

Author: rhamlett

src/PerfProblemSimulator/Controllers/ConfigController.cs

@@ -1,6 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Options;
 using PerfProblemSimulator.Models;
+using PerfProblemSimulator.Services;
 
 namespace PerfProblemSimulator.Controllers;
 
@@ -44,9 +45,10 @@ namespace PerfProblemSimulator.Controllers;
 /// </remarks>
 [ApiController]
 [Route("api/[controller]")]
-public class ConfigController(IOptions<ProblemSimulatorOptions> options) : ControllerBase
+public class ConfigController(IOptions<ProblemSimulatorOptions> options, IIdleStateService idleStateService) : ControllerBase
 {
     private readonly ProblemSimulatorOptions _options = options.Value;
+    private readonly IIdleStateService _idleStateService = idleStateService;
 
     /// <summary>
     /// Gets client-side configuration settings.
@@ -63,7 +65,8 @@ public ActionResult<ClientConfig> GetConfig()
         return Ok(new ClientConfig
         {
             PageFooter = pageFooter,
-            LatencyProbeIntervalMs = _options.LatencyProbeIntervalMs
+            LatencyProbeIntervalMs = _options.LatencyProbeIntervalMs,
+            IdleTimeoutMinutes = _idleStateService.IdleTimeoutMinutes
         });
     }
 }
@@ -82,4 +85,9 @@ public class ClientConfig
     /// How often the server sends latency probes in milliseconds.
     /// </summary>
     public int LatencyProbeIntervalMs { get; init; } = 200;
+
+    /// <summary>
+    /// How long until the app goes idle (stops probing) in minutes.
+    /// </summary>
+    public int IdleTimeoutMinutes { get; init; } = 20;
 }

src/PerfProblemSimulator/Hubs/MetricsHub.cs

@@ -142,15 +142,17 @@ public async Task WakeUp()
         if (wasIdle)
         {
             _logger.LogInformation("Server woken up by client request from: {ConnectionId}", Context.ConnectionId);
+            // The MetricsBroadcastService will broadcast the wake-up message to all clients
+            // via the WakingUp event, so we don't need to send it directly here
+            return;
         }
 
-        // Send current idle state back to caller
+        // Only send direct response when app was already active (not waking up)
+        // to confirm current state to caller
         var idleData = new IdleStateData
         {
             IsIdle = _idleStateService.IsIdle,
-            Message = wasIdle 
-                ? "App waking up from idle state. There may be gaps in diagnostics and logs."
-                : "Application is active",
+            Message = "Application is active",
             Timestamp = DateTimeOffset.UtcNow
         };
         await Clients.Caller.ReceiveIdleState(idleData);

src/PerfProblemSimulator/wwwroot/js/dashboard.js

@@ -17,6 +17,7 @@ const CONFIG = {
     // latencyProbeIntervalMs is loaded from server config (default 200ms).
     // Server probes at this interval and broadcasts results via SignalR.
     latencyProbeIntervalMs: 200,
+    idleTimeoutMinutes: 20,
     latencyTimeoutMs: 30000,
     reconnectDelayMs: 2000,
     apiBaseUrl: '/api'
@@ -1679,6 +1680,12 @@ async function fetchAppConfig() {
                 CONFIG.latencyProbeIntervalMs = config.latencyProbeIntervalMs;
                 console.log(`Latency probe interval set to ${CONFIG.latencyProbeIntervalMs}ms`);
             }
+
+            // Update idle timeout (server sends its timeout for display)
+            if (config.idleTimeoutMinutes && config.idleTimeoutMinutes > 0) {
+                CONFIG.idleTimeoutMinutes = config.idleTimeoutMinutes;
+                console.log(`Idle timeout set to ${CONFIG.idleTimeoutMinutes}m`);
+            }
 
             // Update page footer if configured
             const footerElement = document.getElementById('pageFooterContent');
@@ -1731,7 +1738,7 @@ document.addEventListener('DOMContentLoaded', async () => {
     // Wire up side panel toggle
     initializeSidePanel();
 
-    logEvent('system', 'Dashboard initialized');
+    logEvent('system', `Dashboard initialized (probe rate: ${CONFIG.latencyProbeIntervalMs}ms, idle timeout: ${CONFIG.idleTimeoutMinutes}m)`);
 });
 
 // ==========================================================================