public bool Connect()
{
Endpoint = new KustoEndpoint(_config);
Endpoint.Authenticate();
_failureQueryTime = _instance.StartTime.ToUniversalTime();
if (!PopulateQueueEnumerators())
{
return(false);
}
if (_config.IsKustoPurgeRequested())
{
Purge();
return(false);
}
else if (_config.KustoRecreateTable)
{
PurgeMessages(Endpoint.TableName);
if (!Endpoint.DropTable(Endpoint.TableName))
{
return(false);
}
}
else if (_config.Unique && Endpoint.HasTable(Endpoint.TableName))
{
_appendingToExistingTableUnique = true;
List <string> existingUploads = Endpoint.Query($"['{Endpoint.TableName}']|distinct RelativeUri");
foreach (string existingUpload in existingUploads)
{
_instance.FileObjects.Add(new FileObject(existingUpload)
{
Status = FileStatus.existing
});
}
}
// monitor for new files to be uploaded
if (_monitorTask == null)
{
_monitorTask = Task.Run((Action)QueueMonitor, _tokenSource.Token);
}
return(true);
}