added periodic recreation of the LHM objects, to prevent memory leaks

analog_system_monitor_dotnet/Telemetry.cs

@@ -10,7 +10,7 @@ public class Telemetry : IDisposable
     public int UpdateRateMs => UpdateRateDefaultMs;
 
     private readonly UdpSender udp = new UdpSender();
-    private readonly Computer computer = new Computer();
+    private Computer computer = new Computer();
 
     private IHardware? cpuHw;
     private IHardware? gpuHw;
@@ -29,25 +29,70 @@ public class Telemetry : IDisposable
 
     private static readonly CultureInfo CI = CultureInfo.InvariantCulture;
 
+    // Restart LHM every 30 minutes
+    private readonly TimeSpan restartInterval = TimeSpan.FromMinutes(30);
+    private DateTime lastRestart = DateTime.UtcNow;
+
     public void Initialize()
+    {
+        ConfigureComputer();
+        computer.Open();
+        CacheHardwareAndSensors();
+    }
+
+    private void ConfigureComputer()
     {
         computer.IsCpuEnabled = true;
         computer.IsGpuEnabled = true;
         computer.IsMemoryEnabled = true;
-		// Disable everything else (true minimal mode)
-		computer.IsMotherboardEnabled = false;
-		computer.IsControllerEnabled = false;
-		computer.IsNetworkEnabled = false;
-		computer.IsStorageEnabled = false;
-		computer.IsBatteryEnabled = false;
 
+        // True minimal mode
+        computer.IsMotherboardEnabled = false;
+        computer.IsControllerEnabled = false;
+        computer.IsNetworkEnabled = false;
+        computer.IsStorageEnabled = false;
+        computer.IsBatteryEnabled = false;
+    }
 
+    private void RestartComputerIfNeeded()
+    {
+        if (DateTime.UtcNow - lastRestart < restartInterval)
+            return;
+
+        lastRestart = DateTime.UtcNow;
+
+        try
+        {
+            computer.Close();
+        }
+        catch
+        {
+            // ignore
+        }
+
+        computer = new Computer();
+        ConfigureComputer();
         computer.Open();
         CacheHardwareAndSensors();
     }
 
     private void CacheHardwareAndSensors()
     {
+        cpuHw = null;
+        gpuHw = null;
+        memHw = null;
+
+        cpuLoadSensors = Array.Empty<ISensor>();
+        cpuTempSensor = null;
+
+        gpu3DLoadSensor = null;
+        gpuTempSensor = null;
+        gpuVramUsedSensor = null;
+        gpuVramTotalSensor = null;
+
+        memUsedSensor = null;
+        memAvailSensor = null;
+
         foreach (var hw in computer.Hardware)
         {
             hw.Update();
@@ -141,6 +186,8 @@ public class Telemetry : IDisposable
 
     public void UpdateAndSend()
     {
+        RestartComputerIfNeeded();
+
         cpuHw?.Update();
         gpuHw?.Update();
         memHw?.Update();