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/*
*
* (C) 2013-22 - 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 _ALERT_COUNTER_H_
#define _ALERT_COUNTER_H_
#include "ntop_includes.h"
/** @class AlertCounter
* @brief Base class for alerts.
* @details Defines a basic class for handling generated alerts.
*
* @ingroup MonitoringData
*
*/
#define ALERT_COUNTER_WINDOW_SECS 3
class AlertCounter {
private:
time_t time_last_hit;
u_int16_t trailing_window[ALERT_COUNTER_WINDOW_SECS];
u_int16_t trailing_window_min;
u_int16_t trailing_window_max_since_hits_reset;
u_int8_t trailing_index;
bool hits_reset_req;
void reset_window(time_t when = 0);
public:
AlertCounter();
void inc(time_t when, AlertableEntity *alertable);
u_int16_t hits() const;
void reset_hits();
};
#endif /* _ALERT_COUNTER_H_ */
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