KafkaNet.Producer.BatchSendAsync C# (CSharp) Method

        private async Task BatchSendAsync()
        {
            while (IsNotDisposedOrHasMessagesToProcess())
            {
                List<TopicMessage> batch = null;

                try
                {
                    try
                    {
                        await _asyncCollection.OnHasDataAvailable(_stopToken.Token).ConfigureAwait(false);

                        batch = await _asyncCollection.TakeAsync(BatchSize, BatchDelayTime, _stopToken.Token).ConfigureAwait(false);
                    }
                    catch (OperationCanceledException ex)
                    {
                        //TODO log that the operation was canceled, this only happens during a dispose
                    }

                    if (_asyncCollection.IsCompleted && _asyncCollection.Count > 0)
                    {
                        batch = batch ?? new List<TopicMessage>(_asyncCollection.Count);

                        //Drain any messages remaining in the queue and add them to the send batch
                        batch.AddRange(_asyncCollection.Drain());
                    }
                    if (batch != null)
                        await ProduceAndSendBatchAsync(batch, _stopToken.Token).ConfigureAwait(false);
                }
                catch (Exception ex)
                {
                    if (batch != null)
                    {
                        batch.ForEach(x => x.Tcs.TrySetException(ex));
                    }
                }
            }
        }