/*

 *

 * (C) 2019-25 - 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 _CONTINUOUS_PING_STATS_H_

#define _CONTINUOUS_PING_STATS_H_

#ifndef WIN32

struct cp_stats {

  u_int32_t num_ping_sent, num_ping_rcvd;

  float min_rtt, max_rtt, last_rtt, diff_sum, rtt_sum;

};

/* ***************************************** */

class ContinuousPingStats {

 private:

  time_t last_refresh;

  struct cp_stats stats;

  Ping *pinger;

 public:

  ContinuousPingStats(Ping *p) {

    pinger = p;

    reset();

    heartbeat();

  }

  inline Ping *getPinger() { return (pinger); }

  inline void getStats(struct cp_stats *out) {

    memcpy(out, &stats, sizeof(struct cp_stats));

  }

  inline void heartbeat() { last_refresh = time(NULL); }

  inline void incSent() { stats.num_ping_sent++; }

  inline time_t getLastHeartbeat() { return (last_refresh); }

  void update(float rtt);

  float getSuccessRate(float *min_rtt, float *max_rtt, float *jitter,

                       float *mean);

  inline void reset() { memset(&stats, 0, sizeof(stats)); }

};

#endif /* WIN32 */

#endif /* _CONTINUOUS_PING_STATS_H_ */