mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-20 17:29:13 +00:00
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*
|
|
*
|
|
* (C) 2013-20 - 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"
|
|
|
|
/* ******************************************* */
|
|
|
|
DB::DB(NetworkInterface *_iface) {
|
|
running = false;
|
|
iface = _iface;
|
|
|
|
lastUpdateTime.tv_sec = 0, lastUpdateTime.tv_usec = 0;
|
|
droppedFlows = queueDroppedFlows = exportedFlows = lastExportedFlows = 0;
|
|
checkpointDroppedFlows = checkpointQueueDroppedFlows = checkpointExportedFlows = 0;
|
|
exportRate = 0;
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
void DB::shutdown() {
|
|
running = false;
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
void DB::lua(lua_State *vm, bool since_last_checkpoint) const {
|
|
lua_push_uint64_table_entry(vm, "flow_export_count",
|
|
exportedFlows - (since_last_checkpoint ? checkpointExportedFlows : 0));
|
|
lua_push_int32_table_entry(vm, "flow_export_drops",
|
|
getNumDroppedFlows() - (since_last_checkpoint ? (checkpointDroppedFlows + checkpointQueueDroppedFlows) : 0));
|
|
lua_push_float_table_entry(vm, "flow_export_rate",
|
|
exportRate >= 0 ? exportRate : 0);
|
|
}
|
|
|
|
/* ******************************************* */
|
|
|
|
void DB::checkPointCounters(bool drops_only) {
|
|
if(!drops_only)
|
|
checkpointExportedFlows = exportedFlows;
|
|
|
|
checkpointDroppedFlows = droppedFlows;
|
|
checkpointQueueDroppedFlows = queueDroppedFlows;
|
|
};
|
|
|
|
/* ******************************************* */
|
|
|
|
void DB::updateStats(const struct timeval *tv) {
|
|
if(tv == NULL) return;
|
|
|
|
if(lastUpdateTime.tv_sec > 0) {
|
|
float tdiffMsec = Utils::msTimevalDiff(tv, &lastUpdateTime);
|
|
if(tdiffMsec >= 1000) { /* al least one second */
|
|
u_int64_t diffFlows = exportedFlows - lastExportedFlows;
|
|
lastExportedFlows = exportedFlows;
|
|
|
|
exportRate = ((float)(diffFlows * 1000)) / tdiffMsec;
|
|
if (exportRate < 0) exportRate = 0;
|
|
}
|
|
}
|
|
|
|
memcpy(&lastUpdateTime, tv, sizeof(struct timeval));
|
|
}
|