nClam.ClamClient.ExecuteClamCommandAsync C# (CSharp) Method

        private async Task<string> ExecuteClamCommandAsync(string command, CancellationToken cancellationToken, Func<NetworkStream, CancellationToken, Task> additionalCommand = null)
        {
#if DEBUG
            var stopWatch = System.Diagnostics.Stopwatch.StartNew();
#endif
            string result;

            var clam = new TcpClient();
            try
            {
                await clam.ConnectAsync(Server, Port).ConfigureAwait(false);

                using (var stream = clam.GetStream())
                {
                    var commandText = String.Format("z{0}\0", command);
                    var commandBytes = Encoding.UTF8.GetBytes(commandText);
                    await stream.WriteAsync(commandBytes, 0, commandBytes.Length, cancellationToken).ConfigureAwait(false);

                    if (additionalCommand != null)
                    {
                        await additionalCommand(stream, cancellationToken).ConfigureAwait(false);
                    }

                    using (var reader = new StreamReader(stream))
                    {
                        result = await reader.ReadToEndAsync().ConfigureAwait(false);

                        if (!String.IsNullOrEmpty(result))
                        {
                            //if we have a result, trim off the terminating null character
                            result = result.TrimEnd('\0');
                        }
                    }
                }
            }
            finally
            {
                if (clam.Connected)
                {
                    clam.Close();
                }
            }
#if DEBUG
            stopWatch.Stop();
            System.Diagnostics.Debug.WriteLine("Command {0} took: {1}", command, stopWatch.Elapsed);
#endif
            return result;
        }