/*
 *
 * (C) 2013-23 - 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 _LOCAL_HOST_H_
#define _LOCAL_HOST_H_

#include "ntop_includes.h"

class LocalHost : public Host {
 protected:
  int16_t local_network_id;
  time_t initialization_time;
  LocalHostStats *initial_ts_point;
  UsedPorts usedPorts;
  std::unordered_map<u_int32_t, DoHDoTStats *> doh_dot_map;
  u_int8_t router_mac[6]; /* MAC address pf the first router used (no Mac* to
                             avoid purging race conditions) */
  u_int8_t router_mac_set : 1, drop_all_host_traffic : 1, systemHost : 1,
      _notused : 5;

  /* LocalHost data: update LocalHost::deleteHostData when adding new fields */
  char *os_detail;
  /* END Host data: */

  void initialize();
  void deferredInitialization();
  void freeLocalHostData();
  void addInactiveData();
  void removeInactiveData();
  virtual void deleteHostData();

  char *getMacBasedSerializationKey(char *redis_key, size_t size,
                                    char *mac_key);
  char *getIpBasedSerializationKey(char *redis_key, size_t size);
  void luaDoHDot(lua_State *vm);

 public:
  LocalHost(NetworkInterface *_iface, int32_t _iface_idx,
	    Mac *_mac, u_int16_t _u_int16_t,
            u_int16_t _observation_point_id, IpAddress *_ip);
  LocalHost(NetworkInterface *_iface, int32_t _iface_idx,
	    char *ipAddress, u_int16_t _u_int16_t,
            u_int16_t _observation_point_id);
  virtual ~LocalHost();

  virtual void set_hash_entry_state_idle();
  virtual int16_t get_local_network_id() const { return (local_network_id); };
  virtual bool isLocalHost() const { return (true); };
  virtual bool isLocalUnicastHost() const {
    return (!(isBroadcastHost() || isMulticastHost()));
  };
  virtual bool isSystemHost() const { return (systemHost); };

  virtual void updateNetworkRTT(u_int32_t rtt_msecs) {
    NetworkStats *network = iface->getNetworkStats(get_local_network_id());
    if (network) network->updateRoundTripTime(rtt_msecs);
  }

  void setRxOnlyHost(bool set_it);
  virtual NetworkStats *getNetworkStats(int16_t networkId) {
    return (iface->getNetworkStats(networkId));
  };
  virtual u_int32_t getActiveHTTPHosts() {
    return (getHTTPstats() ? getHTTPstats()->get_num_virtual_hosts() : 0);
  };
  virtual HostStats *allocateStats() { return (new LocalHostStats(this)); };

  virtual bool dropAllTraffic() const { return (drop_all_host_traffic); };
  virtual void inlineSetOSDetail(const char *_os_detail);
  virtual const char *getOSDetail(char *const buf, ssize_t buf_len);
  virtual void updateHostTrafficPolicy(char *key);

  virtual void luaHTTP(lua_State *vm) { stats->luaHTTP(vm); };
  virtual void luaDNS(lua_State *vm, bool verbose) {
    stats->luaDNS(vm, verbose);
    luaDoHDot(vm);
  };
  virtual void luaICMP(lua_State *vm, bool isV4, bool verbose) {
    stats->luaICMP(vm, isV4, verbose);
  };
  virtual void lua_get_timeseries(lua_State *vm);
  virtual void lua_peers_stats(lua_State *vm) const;
  virtual void lua_contacts_stats(lua_State *vm) const;
  virtual void incrVisitedWebSite(char *hostname) {
    stats->incrVisitedWebSite(hostname);
  };
  virtual HTTPstats *getHTTPstats() { return (stats->getHTTPstats()); };
  virtual DnsStats *getDNSstats() { return (stats->getDNSstats()); };
  virtual ICMPstats *getICMPstats() { return (stats->getICMPstats()); };
  virtual void luaTCP(lua_State *vm) { stats->lua(vm, false, details_normal); };
  virtual u_int16_t getNumActiveContactsAsClient() {
    return stats->getNumActiveContactsAsClient();
  };
  virtual u_int16_t getNumActiveContactsAsServer() {
    return stats->getNumActiveContactsAsServer();
  };
  virtual void reloadPrefs();
  virtual void addContactedDomainName(char *domain_name) {
    stats->addContactedDomainName(domain_name);
  }
  virtual u_int32_t getDomainNamesCardinality() {
    return stats->getDomainNamesCardinality();
  }
  virtual void resetDomainNamesCardinality() {
    stats->resetDomainNamesCardinality();
  }

  virtual void serialize(json_object *obj, DetailsLevel details_level) {
    return Host::serialize(obj, details_level);
  };
  virtual char *getSerializationKey(char *buf, uint bufsize);
  char *getRedisKey(char *buf, uint buf_len, bool skip_prefix = false);

  virtual void lua(lua_State *vm, AddressTree *ptree, bool host_details,
                   bool verbose, bool returnHost, bool asListElement);
  void custom_periodic_stats_update(const struct timeval *tv) { ; }

  virtual void luaHostBehaviour(lua_State *vm) {
    if (stats) stats->luaHostBehaviour(vm);
  }
  virtual void incDohDoTUses(Host *srv_host);

  virtual inline void incCountriesContacts(char *country) {
    stats->incCountriesContacts(country);
  }
  virtual inline void resetCountriesContacts() {
    stats->resetCountriesContacts();
  }
  virtual inline u_int8_t getCountriesContactsCardinality() {
    return (stats->getCountriesContactsCardinality());
  }

  virtual inline bool incNTPContactCardinality(Host *h) {
    return (stats->incNTPContactCardinality(h));
  }
  virtual inline bool incDNSContactCardinality(Host *h) {
    return (stats->incDNSContactCardinality(h));
  }
  virtual inline bool incSMTPContactCardinality(Host *h) {
    return (stats->incSMTPContactCardinality(h));
  }
  virtual inline bool incIMAPContactCardinality(Host *h) {
    return (stats->incIMAPContactCardinality(h));
  }
  virtual inline bool incPOPContactCardinality(Host *h) {
    return (stats->incPOPContactCardinality(h));
  }

  virtual inline u_int32_t getNTPContactCardinality() {
    return (stats->getNTPContactCardinality());
  }
  virtual inline u_int32_t getDNSContactCardinality() {
    return (stats->getDNSContactCardinality());
  }
  virtual inline u_int32_t getSMTPContactCardinality() {
    return (stats->getSMTPContactCardinality());
  }
  virtual inline u_int32_t getIMAPContactCardinality() {
    return (stats->getIMAPContactCardinality());
  }
  virtual inline u_int32_t getPOPContactCardinality() {
    return (stats->getPOPContactCardinality());
  }

  void setRouterMac(Mac *gw);

  inline void setServerPort(bool isTCP, u_int16_t port, ndpi_protocol *proto) {
    usedPorts.setServerPort(isTCP, port, proto);
  };
  inline void setContactedPort(bool isTCP, u_int16_t port,
                               ndpi_protocol *proto) {
    usedPorts.setContactedPort(isTCP, port, proto);
  };  
  virtual inline void luaUsedPorts(lua_State *vm) { usedPorts.lua(vm, iface); };
  virtual inline std::unordered_map<u_int16_t, ndpi_protocol> getUDPServerPorts() { return(usedPorts.getUDPServerPorts()); };
  virtual inline std::unordered_map<u_int16_t, ndpi_protocol> getTCPServerPorts() { return(usedPorts.getTCPServerPorts()); };

  virtual inline std::unordered_map<u_int16_t, ndpi_protocol> *getServerPorts(
      bool isTCP) {
    return (usedPorts.getServerPorts(isTCP));
  };
};

#endif /* _LOCAL_HOST_H_ */