private void OnFileWatcherChanged(object source, FileSystemEventArgs e)
{
lock (this)
{
if (e.ChangeType == WatcherChangeTypes.Deleted)
{
return;
}
if (_fwatcher != null)
{
_fwatcher.EnableRaisingEvents = false;
}
FileObjectEventArgs <T> evArgs = null;
try
{
Core.Log.Warning("File for object {0} => {1}. Reloading file: {2}", typeof(T).Name, e.ChangeType, FilePath);
var oldId = _id;
var oldValue = _instance;
LoadFile();
var newId = _id;
var newValue = _instance;
Core.Log.Warning("File for object {0} => File loaded.", typeof(T).Name, e.ChangeType);
evArgs = new FileObjectEventArgs <T>(FilePath, oldId, oldValue, newId, newValue);
}
catch (Exception ex)
{
OnException?.Invoke(this, new EventArgs <Exception>(ex));
FileObjectEvents.FireException(this, ex);
Core.Log.Write(ex);
}
finally
{
if (_fwatcher != null)
{
_fwatcher.EnableRaisingEvents = true;
}
if (evArgs != null)
{
OnChanged?.Invoke(this, evArgs);
FileObjectEvents.FireFileObjectChanged(this, evArgs.FilePath, evArgs.OldId, evArgs.OldValue, evArgs.NewId, evArgs.NewValue);
}
}
}
}
private async void Watcher_Error(object sender, ErrorEventArgs e)
{
try
{
var watchException = e.GetException();
OnException?.Invoke(this, new EventArgs <Exception>(watchException));
FileObjectEvents.FireException(this, watchException);
Try.Do(fw =>
{
if (fw is null)
{
return;
}
fw.EnableRaisingEvents = false;
fw.Dispose();
}, _fwatcher);
_fwatcher = null;
var nWatcher = CreateWatcher();
while (!nWatcher.EnableRaisingEvents)
{
try
{
nWatcher = CreateWatcher();
}
catch
{
await Task.Delay(500).ConfigureAwait(false);
}
}
_fwatcher = nWatcher;
}
catch (Exception ex)
{
Core.Log.Write(ex);
}
}
