Fix multi-threading crash to desktop when publishing ATIS to hub #80
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🧹 Nitpick comments (1)
vATIS.Desktop/Ui/ViewModels/AtisStationViewModel.cs (1)
1149-1170: Consider enhancing the timer implementation.While the current implementation is functional, consider these improvements:
- Extract the hardcoded 3-minute interval to a configuration value
- Add cancellation token support for graceful shutdown
- Consider using a different async pattern instead of async void
Here's a suggested implementation:
private async Task PublishAtisToHub() { // Publish ATIS immediately await PublishAtis(); // Dispose of the existing timer to start a new one. _publishAtisTimer?.Dispose(); _publishAtisTimer = null; + // Get interval from configuration + var interval = TimeSpan.FromMinutes(_appConfig.AtisPublishInterval ?? 3); + // Set up a new timer to re-publish ATIS - _publishAtisTimer = new Timer(PublishAtisTimerCallback, null, TimeSpan.FromMinutes(3), TimeSpan.FromMinutes(3)); + _publishAtisTimer = new Timer(async _ => await PublishAtisWithErrorHandling(), null, interval, interval); } -private async void PublishAtisTimerCallback(object? state) +private async Task PublishAtisWithErrorHandling() { try { await PublishAtis(); } catch (Exception ex) { Log.Error(ex, "Failed to publish ATIS to hub"); } }
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vATIS.Desktop/Ui/ViewModels/AtisStationViewModel.cs(4 hunks)
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🔇 Additional comments (3)
vATIS.Desktop/Ui/ViewModels/AtisStationViewModel.cs (3)
66-66: LGTM! Good type refinement.Using the concrete
Timertype instead ofIDisposableinterface improves code clarity and provides better access to timer-specific functionality.
579-581: LGTM! Proper resource cleanup.The timer disposal is implemented correctly, following the proper IDisposable pattern by disposing of the timer and nullifying the reference.
1137-1147: LGTM! Well-structured timer management.The implementation properly manages the timer lifecycle by:
- Publishing immediately before timer setup
- Cleaning up existing timer to prevent resource leaks
- Setting up a new timer with appropriate interval
This should fix the multi-threading crash by ensuring only one timer is active at a time.
Summary by CodeRabbit
Bug Fixes
Refactor