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Code Issues Releases Wiki Activity

Reduce possibility of race condition reading updated config

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RaidMax
2024-06-23 16:13:30 -05:00
parent dbb5a9117a
commit f8f6ca2c0d
2 changed files with 16 additions and 14 deletions
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23
Application/IO/ConfigurationWatcher.cs
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@ -20,7 +20,6 @@ public sealed class ConfigurationWatcher : IDisposable
};
_watcher.Changed += WatcherOnChanged;
_watcher.EnableRaisingEvents = true;
}
public void Dispose()
@ -31,30 +30,28 @@ public sealed class ConfigurationWatcher : IDisposable
public void Register(string fileName, Action<string> fileUpdated)
{
if (_registeredActions.ContainsKey(fileName))
{
return;
}
_registeredActions.Add(fileName, fileUpdated);
_registeredActions.TryAdd(fileName, fileUpdated);
}
public void Unregister(string fileName)
{
if (_registeredActions.ContainsKey(fileName))
{
_registeredActions.Remove(fileName);
}
_registeredActions.Remove(fileName);
}
public void Enable()
{
_watcher.EnableRaisingEvents = true;
}
private void WatcherOnChanged(object sender, FileSystemEventArgs eventArgs)
{
if (!_registeredActions.ContainsKey(eventArgs.FullPath) || eventArgs.ChangeType != WatcherChangeTypes.Changed ||
if (!_registeredActions.TryGetValue(eventArgs.FullPath, out var value) ||
eventArgs.ChangeType != WatcherChangeTypes.Changed ||
new FileInfo(eventArgs.FullPath).Length == 0)
{
return;
}
_registeredActions[eventArgs.FullPath].Invoke(eventArgs.FullPath);
value.Invoke(eventArgs.FullPath);
}
}