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

74 lines
2.1 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"
/* **************************************** */
RoundTripStats::RoundTripStats() {
// if(trace_new_delete) ntop->getTrace()->traceEvent(TRACE_NORMAL, "[new] %s",
// __FILE__);
stats_it = ROUND_TRIP_LENGTH - 1; /* Last Item */
memset(stats, 0, sizeof(stats));
}
/* **************************************** */
RoundTripStats::~RoundTripStats() {}
/* **************************************** */
// Add a point to the rt stats
void RoundTripStats::addPoint(u_int32_t data) {
stats_it =
(stats_it + 1) % ROUND_TRIP_LENGTH; // Max num entry is ROUND_TRIP_LENGTH
stats[stats_it] = data;
}
/* **************************************** */
void RoundTripStats::luaRTStats(lua_State* vm, const char* stats_name) {
u_int8_t stats_it_shadow =
stats_it; // Two threads could access this variable at the same time
lua_newtable(vm);
for (int i = ROUND_TRIP_LENGTH; i > 0; i--) {
int j = (stats_it_shadow + i) % ROUND_TRIP_LENGTH;
lua_pushinteger(vm, stats[j]);
lua_rawseti(vm, -2, i);
}
lua_pushstring(vm, stats_name);
lua_insert(vm, -2);
lua_settable(vm, -3);
}
/* **************************************** */
void RoundTripStats::sum(RoundTripStats* _stats) {
u_int32_t* _viewed_stats = _stats->getStats();
for (int i = 0; i < ROUND_TRIP_LENGTH; i++) _viewed_stats[i] += stats[i];
}
/* **************************************** */