ntopng/include/PeerStats.h

89 lines
2.8 KiB
C++

/*
*
* (C) 2020-23 - 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 _PEER_STATS_H_
#define _PEER_STATS_H_
#include "ntop_includes.h"
/* ******************************* */
class PeerStats {
private:
struct ndpi_analyze_struct *contacted_peer_as_cli, *contacted_peer_as_srv;
u_int16_t _max_series_len, actual_num;
public:
PeerStats(u_int16_t _max_series_len) {
actual_num = 0;
this->_max_series_len = _max_series_len;
contacted_peer_as_cli = ndpi_alloc_data_analysis(this->_max_series_len);
contacted_peer_as_srv = ndpi_alloc_data_analysis(this->_max_series_len);
}
~PeerStats() {
if (contacted_peer_as_cli)
ndpi_free_data_analysis(contacted_peer_as_cli, 1);
if (contacted_peer_as_srv)
ndpi_free_data_analysis(contacted_peer_as_srv, 1);
}
void init(u_int16_t _max_series_len) {
ndpi_init_data_analysis(contacted_peer_as_cli, _max_series_len);
};
/* bool cli_or_srv => cli - true ; srv - false */
void addElement(const u_int32_t value, bool cli_or_srv) {
if (contacted_peer_as_srv && contacted_peer_as_cli) {
if (cli_or_srv)
ndpi_data_add_value(contacted_peer_as_cli, value);
else
ndpi_data_add_value(contacted_peer_as_srv, value);
if (actual_num < _max_series_len) actual_num++;
}
}
u_int32_t getCliSlidingEstimate() {
return ((u_int32_t)ndpi_data_window_average(contacted_peer_as_cli));
};
u_int32_t getSrvSlidingEstimate() {
return ((u_int32_t)ndpi_data_window_average(contacted_peer_as_srv));
};
u_int32_t getCliTotEstimate() {
return ((u_int32_t)ndpi_data_average(contacted_peer_as_cli));
};
u_int32_t getSrvTotEstimate() {
return ((u_int32_t)ndpi_data_average(contacted_peer_as_srv));
};
bool getSlidingWinStatus() { return (actual_num == _max_series_len); };
void reset() {
if (contacted_peer_as_cli)
ndpi_free_data_analysis(contacted_peer_as_cli, 1);
if (contacted_peer_as_srv)
ndpi_free_data_analysis(contacted_peer_as_srv, 1);
contacted_peer_as_cli = ndpi_alloc_data_analysis(_max_series_len);
contacted_peer_as_srv = ndpi_alloc_data_analysis(_max_series_len);
}
};
#endif /* _PEER_STATS_H_ */