public static async Task <string> ReadAsync(string fileName)
{
string result = string.Empty;
try
{
await _semaphore.WaitAsync().ConfigureAwait(false);
result = await Read2Async(fileName).ConfigureAwait(false);
}
catch (FileNotFoundException exc0)
{
//put up with it: it may be the first time we use this file
Debug.WriteLine("no worries but: " + exc0.ToString());
}
catch (Exception exc)
{
if (SemaphoreSlimSafeRelease.IsAlive(_semaphore))
{
Debug.WriteLine("ERROR in Logger.ReadAsync(): " + exc.ToString());
}
}
finally
{
SemaphoreSlimSafeRelease.TryRelease(_semaphore);
}
return(result);
}
public static void ClearAll()
{
Task.Run(async delegate
{
try
{
await _semaphore.WaitAsync().ConfigureAwait(false);
//await _logsFolder.DeleteAsync().AsTask().ConfigureAwait(false);
_logsFolder = await ApplicationData.Current.LocalCacheFolder.CreateFolderAsync(LogFolderName, CreationCollisionOption.ReplaceExisting).AsTask().ConfigureAwait(false);
}
catch (Exception exc)
{
if (SemaphoreSlimSafeRelease.IsAlive(_semaphore))
{
Debug.WriteLine("ERROR in Logger.ClearAll(): " + exc.ToString());
}
}
finally
{
SemaphoreSlimSafeRelease.TryRelease(_semaphore);
}
});
}
private static async Task Add2Async(string msg, string fileName)
{
try
{
await _semaphore.WaitAsync().ConfigureAwait(false);
await UpdateLogAsync(fileName, msg).ConfigureAwait(false);
//Debug.WriteLine("the thread id is " + Environment.CurrentManagedThreadId + " after the await");
}
catch (Exception exc)
{
if (SemaphoreSlimSafeRelease.IsAlive(_semaphore))
{
Debug.WriteLine("ERROR in Logger: " + exc.ToString());
}
}
finally
{
SemaphoreSlimSafeRelease.TryRelease(_semaphore);
}
// await SendEmailWithLogsAsync("*****@*****.**"); // maybe move Logger into the utils and use the right email address and maybe new parameter "sendemailifcrash"
// On second thought, the email could be annoying and scary. Better leave the option to send it in the "About" panel only.
}