public async Task ExecuteAsync(BackgroundProcessContext context)
{
for (var i = 0; i <= MaxRetryAttempts; i++)
{
try
{
await InnerTask.ExecuteAsync(context).ConfigureAwait(false);
return;
}
catch (OperationCanceledException) when(context.IsShutdownRequested)
{
throw;
}
catch (Exception ex)
{
// Break the loop after the retry attempts number exceeded.
if (i >= MaxRetryAttempts - 1)
{
throw;
}
var nextTry = DelayCallback(i);
var logLevel = GetLogLevel(i);
_logger.Log(
logLevel,
// ReSharper disable once AccessToModifiedClosure
() => $"Error occurred during execution of '{InnerTask}' process. Execution will be retried (attempt {i + 1} of {MaxRetryAttempts}) in {nextTry} seconds.",
ex);
await Task.Delay(nextTry, context.CancellationToken).ConfigureAwait(false);
if (context.IsShutdownRequested)
{
break;
}
}
}
}