/*

 *

 * (C) 2015-26 - 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 _FLOW_GROUPER_H_

#define _FLOW_GROUPER_H_

#include "ntop_includes.h"

class Flow;

struct flowGroupStats {

  u_int64_t bytes;

  u_int32_t num_flows;

  u_int32_t num_blocked_flows;

  time_t first_seen;

  time_t last_seen;

  float bytes_thpt;

};

class FlowGrouper {

 private:

  sortField sorter;

  flowGroupStats stats;

  int table_index;

  /* group id */

  u_int16_t app_protocol;

 public:

  FlowGrouper(sortField sf);

  ~FlowGrouper();

  inline u_int32_t getNumEntries() { return stats.num_flows; }

  bool inGroup(Flow* flow);

  int incStats(Flow* flow);

  int newGroup(Flow* flow);

  void lua(lua_State* vm);

};

#endif /* _FLOW_GROUPER_H_ */