public async Task UploadTrack_ProcessAsync(int seqid, TProtocol iprot, TProtocol oprot, CancellationToken cancellationToken)
        {
            var args = new UploadTrackArgs();
            await args.ReadAsync(iprot, cancellationToken);

            await iprot.ReadMessageEndAsync(cancellationToken);

            var result = new UploadTrackResult();

            try
            {
                result.Success = await _iAsync.UploadTrackAsync(args.TrackAudio, cancellationToken);

                await oprot.WriteMessageBeginAsync(new TMessage("UploadTrack", TMessageType.Reply, seqid), cancellationToken);

                await result.WriteAsync(oprot, cancellationToken);
            }
            catch (TTransportException)
            {
                throw;
            }
            catch (Exception ex)
            {
                Console.Error.WriteLine("Error occurred in processor:");
                Console.Error.WriteLine(ex.ToString());
                var x = new TApplicationException(TApplicationException.ExceptionType.InternalError, " Internal error.");
                await oprot.WriteMessageBeginAsync(new TMessage("UploadTrack", TMessageType.Exception, seqid), cancellationToken);

                await x.WriteAsync(oprot, cancellationToken);
            }
            await oprot.WriteMessageEndAsync(cancellationToken);

            await oprot.Transport.FlushAsync(cancellationToken);
        }
        public async Task <TrackUploaded> UploadTrackAsync(TrackAudio trackAudio, CancellationToken cancellationToken = default(CancellationToken))
        {
            await OutputProtocol.WriteMessageBeginAsync(new TMessage("UploadTrack", TMessageType.Call, SeqId), cancellationToken);

            var args = new UploadTrackArgs();

            args.TrackAudio = trackAudio;

            await args.WriteAsync(OutputProtocol, cancellationToken);

            await OutputProtocol.WriteMessageEndAsync(cancellationToken);

            await OutputProtocol.Transport.FlushAsync(cancellationToken);

            var msg = await InputProtocol.ReadMessageBeginAsync(cancellationToken);

            if (msg.Type == TMessageType.Exception)
            {
                var x = await TApplicationException.ReadAsync(InputProtocol, cancellationToken);

                await InputProtocol.ReadMessageEndAsync(cancellationToken);

                throw x;
            }

            var result = new UploadTrackResult();
            await result.ReadAsync(InputProtocol, cancellationToken);

            await InputProtocol.ReadMessageEndAsync(cancellationToken);

            if (result.__isset.success)
            {
                return(result.Success);
            }
            throw new TApplicationException(TApplicationException.ExceptionType.MissingResult, "UploadTrack failed: unknown result");
        }