/*

 *

 * (C) 2013-24 - 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 _CONTAINER_STATS_H_

#define _CONTAINER_STATS_H_

#include "ntop_includes.h"

class ContainerStats {

 private:

  std::set<std::string> containers;

  u_int32_t num_flows_as_client, num_flows_as_server;

  double tot_rtt_as_client, tot_rtt_variance_as_client;

  double tot_rtt_as_server, tot_rtt_variance_as_server;

 public:

  ContainerStats();

  inline void addContainer(std::string container_id) {

    containers.insert(container_id);

  }

  inline u_int32_t getNumContainers() { return (containers.size()); }

  inline void incNumFlowsAsClient() { num_flows_as_client++; }

  inline void incNumFlowsAsServer() { num_flows_as_server++; }

  inline u_int32_t getNumFlowsAsClient() { return (num_flows_as_client); }

  inline u_int32_t getNumFlowsAsServer() { return (num_flows_as_server); }

  inline double getRttAsClient() {

    return (num_flows_as_client ? (tot_rtt_as_client / num_flows_as_client)

                                : 0);

  }

  inline double getRttAsServer() {

    return (num_flows_as_server ? (tot_rtt_as_server / num_flows_as_server)

                                : 0);

  }

  inline double getRttVarianceAsClient() {

    return (num_flows_as_client

                ? (tot_rtt_variance_as_client / num_flows_as_client)

                : 0);

  }

  inline double getRttVarianceAsServer() {

    return (num_flows_as_server

                ? (tot_rtt_variance_as_server / num_flows_as_server)

                : 0);

  }

  void accountLatency(double rtt, double rtt_variance, bool as_client);

  void lua(lua_State* vm);

};

#endif