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/*
*
* (C) 2013-22 - 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 _STATS_MANAGER_H_
#define _STATS_MANAGER_H_
#include "ntop_includes.h"
struct statsManagerRetrieval {
vector<string> rows;
int num_vals;
statsManagerRetrieval(): num_vals(0) {}
};
class StatsManager : protected SQLiteStoreManager {
public:
StatsManager(int interface_id, const char *db_filename);
~StatsManager() {};
int insertMinuteSampling(time_t epoch, const char * const sampling);
int insertHourSampling(time_t epoch, const char * const sampling);
int insertDaySampling(time_t epoch, const char * const sampling);
int getMinuteSampling(time_t epoch, string * sampling);
int openStore(const char *cache_name);
int retrieveMinuteStatsInterval(time_t epoch_start, time_t epoch_end,
struct statsManagerRetrieval *retvals);
int retrieveHourStatsInterval(time_t epoch_start, time_t epoch_end,
struct statsManagerRetrieval *retvals);
int retrieveDayStatsInterval(time_t epoch_start, time_t epoch_end,
struct statsManagerRetrieval *retvals);
int deleteMinuteStatsOlderThan(unsigned num_days);
int deleteHourStatsOlderThan(unsigned num_days);
int deleteDayStatsOlderThan(unsigned num_days);
private:
const char *MINUTE_CACHE_NAME,
*HOUR_CACHE_NAME, *DAY_CACHE_NAME; // see constructor for initialization
/*
* map has O(log(n)) access time, but we suppose the number
* of caches is not huge
*/
std::map<string, bool> caches;
int insertSampling(const char * const sampling, const char * const cache_name, long int key);
int getSampling(string * sampling, const char * const cache_name, time_t key_low, time_t key_high);
int deleteStatsOlderThan(const char * const cache_name, const time_t key);
int retrieveStatsInterval(struct statsManagerRetrieval *retvals, const char * const cache_name,
const time_t key_start, const time_t key_end);
};
#endif /* _STATS_MANAGER_H_ */
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