ntopng/src/AlertCounter.cpp
2026-03-15 10:50:50 +01:00

84 lines
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2.3 KiB
C++

/*
*
* (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.
*
*/
#include "ntop_includes.h"
// #define ALERT_DEBUG 1
/* *************************************** */
AlertCounter::AlertCounter() {
if (trace_new_delete)
ntop->getTrace()->traceEvent(TRACE_NORMAL, "[new] %s", __FILE__);
max_hits_since_reset = 0;
hits_reset_req = false;
reset_window();
}
/* *************************************** */
void AlertCounter::reset_window(time_t when) {
current_hits = 0;
time_last_hit = when;
}
/* *************************************** */
void AlertCounter::inc(time_t when, AlertableEntity* alertable) {
if (hits_reset_req) {
max_hits_since_reset = 0;
hits_reset_req = false;
reset_window(when);
}
if (when - time_last_hit > 1) {
if (current_hits > max_hits_since_reset)
max_hits_since_reset = current_hits;
reset_window(when);
} else {
current_hits++;
}
#if 0
ntop->getTrace()->traceEvent(TRACE_NORMAL,
"stats [host: %s][when: %u][time_last_hit: %u][max_hits_since_reset: %u][current_hits: %u]",
alertable->getEntityValue().c_str(),
when,
time_last_hit,
max_hits_since_reset,
current_hits
);
#endif
}
/* *************************************** */
u_int16_t AlertCounter::hits() const {
if (hits_reset_req) /* Requested, but not yet reset */
return 0;
return (max_hits_since_reset > current_hits) ? max_hits_since_reset
: current_hits;
}
/* *************************************** */
void AlertCounter::reset_hits() { hits_reset_req = true; }