/*

 *

 * (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.

 *

 */

#ifndef _MOST_VISITED_LIST_H_

#define _MOST_VISITED_LIST_H_

/* A list used to identify the "Tops", for example Top Sites

   (most visited sites, used by the host and interface) */

class MostVisitedList {

 private:

  /* Variables used by top sites periodic update */

  u_int8_t current_cycle;

  u_int32_t max_num_items;

  FrequentStringItems* top_data;

  char *old_data, *shadow_old_data;

  void getCurrentTime(struct tm* t_now);

  void deserializeTopData(char* redis_key_current);

 public:

  MostVisitedList(u_int32_t _max_num_items);

  ~MostVisitedList();

  void resetTopSitesData(u_int32_t iface_id, char* extra_info, char* hashkey);

  void saveOldData(u_int32_t iface_id, char* additional_key_info,

                   char* hashkey);

  void serializeDeserialize(u_int32_t iface_id, bool do_serialize,

                            char* extra_info, char* info_subject,

                            char* hour_hashkey, char* day_hashkey);

  void lua(lua_State* vm, char* name, char* old_name);

  void clear() {

    if (top_data) top_data->clear();

  }

  inline void incrVisitedData(char* data, u_int32_t num) {

    if (top_data) top_data->add(data, num);

  };

};

#endif /* _MOST_VISITED_LIST_H_ */