/*
 *
 * (C) 2013-25 - 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 _ETH_STATS_H_
#define _ETH_STATS_H_

#include "ntop_includes.h"

class EthStats {
 private:
  ProtoStats rawIngress, rawEgress, eth_IPv4, eth_IPv6, eth_ARP, eth_MPLS,
      eth_other;
  ThroughputStats ingress_bytes_thpt, ingress_pkts_thpt, egress_bytes_thpt,
      egress_pkts_thpt;

 public:
  EthStats();

  inline ProtoStats* getIPv4Stats() { return (&eth_IPv4); };
  inline ProtoStats* getIPv6Stats() { return (&eth_IPv6); };
  inline ProtoStats* getARPStats() { return (&eth_ARP); };
  inline ProtoStats* getMPLSStats() { return (&eth_MPLS); };
  inline ProtoStats* getEthOtherStats() { return (&eth_other); };

  void lua(lua_State* vm);
  void updateStats(const struct timeval* tv);
  void incStats(bool ingressPacket, u_int32_t num_pkts, u_int32_t num_bytes,
                u_int pkt_overhead);
  void incProtoStats(u_int16_t proto, u_int32_t num_pkts, u_int32_t num_bytes);
  
  inline void incNumPackets(bool ingressPacket, u_int64_t v) {
    if (ingressPacket)
      rawIngress.incPkts(v);
    else
      rawEgress.incPkts(v);
  }

  inline void incNumBytes(bool ingressPacket, u_int64_t v) {
    if (ingressPacket)
      rawIngress.incBytes(v);
    else
      rawEgress.incBytes(v);
  }

  inline u_int64_t getNumIngressPackets() { return (rawIngress.getPkts()); };
  inline u_int64_t getNumEgressPackets() { return (rawEgress.getPkts()); };
  inline u_int64_t getNumIngressBytes() { return (rawIngress.getBytes()); };
  inline u_int64_t getNumEgressBytes() { return (rawEgress.getBytes()); };
  inline float getIngressBytesThpt() { return (ingress_bytes_thpt.getThpt()); };
  inline float getEgressBytesThpt() { return (egress_bytes_thpt.getThpt()); };

  inline u_int64_t getNumPackets() {
    return (rawIngress.getPkts() + rawEgress.getPkts());
  };
  inline u_int64_t getNumBytes() {
    return (rawIngress.getBytes() + rawEgress.getBytes());
  };

  inline void sum(EthStats* e) const {
    rawIngress.sum(&e->rawIngress), rawEgress.sum(&e->rawEgress),
        ingress_bytes_thpt.sum(&e->ingress_bytes_thpt),
        ingress_pkts_thpt.sum(&e->ingress_pkts_thpt),
        egress_bytes_thpt.sum(&e->egress_bytes_thpt),
        egress_pkts_thpt.sum(&e->egress_pkts_thpt), eth_IPv4.sum(&e->eth_IPv4),
        eth_IPv6.sum(&e->eth_IPv6), eth_ARP.sum(&e->eth_ARP),
        eth_MPLS.sum(&e->eth_MPLS), eth_other.sum(&e->eth_other);
  };

  /**
   * @brief Cleanup the proto stats.
   * @details Reset all proto stats information.
   */
  void cleanup();
  void print();
};

#endif /* _ETH_STATS_H_ */