Background Service läuft im 60 Sekunden Rythmus. Ergebnis wird noch nciht gespeichert

Watcher/Services/NetworkCheck.cs

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+using System.Composition;
+using System.Net.NetworkInformation;
+
+namespace Watcher.Services;
+public class NetworkCheck : BackgroundService
+{
+    private readonly ILogger<NetworkCheck> _logger;
+
+    public static String networkCheckResult
+    { 
+            get { return networkCheckResult; }
+            set { networkCheckResult = value; }
+
+    }
+
+    public NetworkCheck(ILogger<NetworkCheck> logger)
+    {
+        _logger = logger;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        var timer = new PeriodicTimer(TimeSpan.FromSeconds(30));
+
+        while (await timer.WaitForNextTickAsync(stoppingToken))
+        {
+            // Hintergrundprozess abwarten
+            await checkConnectionAsync();
+
+            // 5 Sekdunden Offset
+            await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken);
+        }
+    }
+
+    public Task checkConnectionAsync()
+    {
+        _logger.LogInformation("Networkcheck started.");
+
+        string host = "8.8.8.8";
+        Ping p = new Ping();
+
+        try
+        {
+            PingReply reply = p.Send(host, 3000);
+            if (reply.Status == IPStatus.Success)
+            {
+                _logger.LogInformation("Ping successfull. Watcher is online.");
+            }
+        }
+        catch
+        {
+            _logger.LogError("Ping failed. Watcher appears to have no network connection.");
+        }
+
+        _logger.LogInformation("Networkcheck finished.");
+
+        return Task.CompletedTask;
+    }
+}