mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-22 10:45:57 +00:00
99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
/*
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*
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* (C) 2013-19 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "ntop_includes.h"
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/* *************************************** */
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TimeseriesRing::TimeseriesRing(NetworkInterface *iface) {
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this->iface = iface;
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status = status_shadow = NULL;
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u_int8_t num_slots = ntop->getPrefs()->getNumTsSlots();
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if(num_slots > 0)
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status = new TimeseriesRingStatus(num_slots, ntop->getPrefs()->getNumTsSteps());
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}
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/* *************************************** */
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TimeseriesRing::~TimeseriesRing() {
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if(status) delete status;
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if(status_shadow) delete status_shadow;
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}
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/* *************************************** */
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bool TimeseriesRing::isTimeToInsert() {
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u_int8_t num_slots = ntop->getPrefs()->getNumTsSlots();
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if(status_shadow) {
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delete status_shadow;
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status_shadow = NULL;
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}
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/* Number of slots can change at runtime due via user gui */
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if((!status && (num_slots > 0)) || (status && (num_slots != status->max_points))) {
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TimeseriesRingStatus *new_status = NULL;
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if(num_slots > 0)
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new_status = new TimeseriesRingStatus(num_slots, ntop->getPrefs()->getNumTsSteps());
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status_shadow = status;
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status = new_status;
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}
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if(status)
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return status->isTimeToInsert();
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return false;
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}
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/* *************************************** */
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void TimeseriesRing::insert(TimeseriesPoint *pt, time_t when) {
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if(status)
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status->insert(pt, when);
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else
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delete pt;
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}
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/* *************************************** */
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void TimeseriesRing::lua(lua_State* vm) {
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if(!status)
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lua_pushnil(vm);
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else
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status->lua(vm, iface);
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}
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/* *************************************** */
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/* NOTE: same format as TimeseriesRingStatus::lua */
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void TimeseriesRing::luaSinglePoint(lua_State* vm, NetworkInterface *iface,
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TimeseriesPoint *pt) {
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lua_newtable(vm);
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lua_newtable(vm);
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lua_push_uint64_table_entry(vm, "instant", time(0));
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pt->lua(vm, iface);
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lua_rawseti(vm, -2, 1);
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}
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