public async Task Start(CancellationToken cancellationToken)
{
_codes.AddRange(await Task.Run(_repository.LoadCodes, cancellationToken));
var tasks = new Task[2];
tasks[0] = Task.Run(() => StartBaseService(IPAddress.Parse(_ip), _portForGeneratingCodes, GenerateService, cancellationToken), cancellationToken);
tasks[1] = Task.Run(() => StartBaseService(IPAddress.Parse(_ip), _portForUsingCode, UseCodeService, cancellationToken), cancellationToken);
await Task.WhenAll(tasks);
await _repository.SaveCodes(_codes);
}
