/// <summary>
 /// 
 /// </summary>
 /// <param name="e"></param>
 protected virtual void OnRequestReceivedFunction(OnRequestReceivedArgs e)
 {
     OnRequestReceived(this, e);
 }
        void server_OnRequestReceived(object sender, OnRequestReceivedArgs e)
        {
            if (DataSource == null) { return; }

            NDLogger.Log("HTTP Request received: " + new string (Encoding.UTF8.GetChars(e.Request)) + " File name: " + e.FileName, LogLevel.Verbose);

            if (e.FileName == "sensor_data.csv")
            {
                try
                {
                    RespondWithSensorDataFile();
                }
                catch (Exception ex)
                {
                    HttpService.SendInternalServerError(ex.Message);
                }
            }
            else if (e.FileName == "")
            {
                try
                {
                    RespondWithLocalFile(@"\SD\\index.html");
                }
                catch (Exception ex)
                {
                    HttpService.SendInternalServerError(ex.Message);
                }
            }
            else if (e.IsInMemoryCard)
            {
                try
                {
                    RespondWithLocalFile(e.FileName);
                }
                catch (Exception ex)
                {
                    HttpService.SendInternalServerError(ex.Message);
                }
            }
            else if (e.FileName.IndexOf("setMqttConfiguration.html") > -1)
            {
                string fileName, username, password, host;
                string[] split = e.FileName.Split(new char[] { '?' });
                fileName = split[0];
                string[] parameters = split[1].Split(new char[] { '&' });
                username = parameters[0].Split(new char[] { '=' })[1];
                password = parameters[1].Split(new char[] { '=' })[1];
                host     = parameters[2].Split(new char[] { '=' })[1];

                onMqttConfigurationReceived(host, username, password);
                HttpService.SendOK();
            }
            else if (e.FileName.IndexOf("mqtt_configuration.csv") > -1)
            {
                try
                {
                    RespondWithMqttConfigurationFile();
                }
                catch (Exception ex)
                {
                    HttpService.SendInternalServerError(ex.Message);
                }
            }
        }