/*

 *

 * (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 _BROADCAST_DOMAINS_H_

#define _BROADCAST_DOMAINS_H_

class Host;

#include "ntop_includes.h"

class BroadcastDomains {

 private:

  NetworkInterface *iface;

  AddressTree *inline_broadcast_domains; /* Accessed inline */

  AddressTree *broadcast_domains,

      *broadcast_domains_shadow; /* Accessed concurrently non-inline */

  time_t next_update, last_update;

  u_int16_t next_domain_id;

  std::map<u_int16_t, struct bcast_domain_info>

      domains_info; /* Insertion: inline, read: non-inline */

 public:

  BroadcastDomains(NetworkInterface *_iface);

  ~BroadcastDomains();

  inline time_t getLastUpdate() { return last_update; };

  bool addAddress(IpAddress *ipa, int network_bits);

  void reloadBroadcastDomains(bool force_immediate_reload = false);

  bool isLocalBroadcastDomain(IpAddress *ipa, int network_bits,

                              bool isInlineCall);

  bool isLocalBroadcastDomainHost(Host *h, bool isInlineCall);

  bool isGhostLocalBroadcastDomain(bool is_interface_network);

  void lua(lua_State *vm);

};

#endif /* _BROADCAST_DOMAINS_H_ */