public async Task StartAsync(CancellationToken cancellationToken = default)
{
_logger.LogInformation($"Log folder: {_logFolder}");
if (_loadArchive)
{
_logger.LogWarning($"\"Load archive\" mode enabled");
}
_logger.LogInformation($"Portion per request: {_portion}");
InitializeDataflow(cancellationToken);
try
{
var settings = await GetReaderSettingsAsync(cancellationToken);
_eventLogReader = new EventLogReader <T>(settings);
while (!cancellationToken.IsCancellationRequested)
{
bool forceSending = false;
T item = default;
try
{
item = _eventLogReader.ReadNextEventLogItem(cancellationToken);
}
catch (EventLogReaderTimeoutException)
{
forceSending = true;
}
catch (Exception ex)
{
_batchBlock.Complete();
throw ex;
}
if (item != null)
{
await SendAsync(_batchBlock, item);
if (!string.IsNullOrEmpty(_eventLogReader.LgpFileName) && _currentLgpFile != _eventLogReader.LgpFileName)
{
_logger.LogInformation($"Reader started reading {_eventLogReader.LgpFileName}");
_currentLgpFile = _eventLogReader.LgpFileName;
}
}
else if (!settings.LiveMode)
{
forceSending = true;
}
if (forceSending)
{
_batchBlock.TriggerBatch();
}
}
}
catch (TaskCanceledException) { }
catch (Exception ex)
{
throw ex;
}
}