/*

 *

 * (C) 2013-26 - ntop.org

 *

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 *

 */

#ifndef _BEHAVIOURAL_COUNTER_H_

#define _BEHAVIOURAL_COUNTER_H_

#include "ntop_includes.h"

class BehaviouralCounter {

 protected:

  bool is_anomaly;

  u_int64_t tot_num_anomalies, last_lower, last_upper, last_value;

 public:

  /* Number of points to be used by the algorithm in the learning phase */

  BehaviouralCounter() {

    is_anomaly = false,

    tot_num_anomalies = last_lower = last_upper = last_value = 0;

  }

  virtual ~BehaviouralCounter() {};

  /*

    In Parameters:

    - value         The measurement to evaluate

    Return:

     true     An anomaly has been detected (i.e. prediction < lower_bound, or

    prediction > upper_bound) false    The value is within the expected range

  */

  virtual bool addObservation(u_int64_t value) { return (false); };

  inline u_int64_t getTotNumAnomalies() { return (tot_num_anomalies); };

  /* Last measurement */

  inline bool anomalyFound() { return (is_anomaly); };

  inline u_int64_t getLastValue() { return (last_value); };

  inline u_int64_t getTotAnomalies() { return (tot_num_anomalies); };

  inline u_int64_t getLastLowerBound() { return (last_lower); };

  inline u_int64_t getLastUpperBound() { return (last_upper); };

};

#endif /* _BEHAVIOURAL_COUNTER_H_ */