/*

 *

 * (C) 2013-26 - 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 _ZMQ_COLLECTOR_INTERFACE_H_

#define _ZMQ_COLLECTOR_INTERFACE_H_

#include "ntop_includes.h"

#ifdef HAVE_ZMQ

#ifndef HAVE_NEDGE

class LuaEngine;

class ZMQCollectorInterface : public ZMQParserInterface {

 private:

  void* context;

  std::unordered_map<u_int32_t /* source_id */, zmq_probe*> active_probes;

  char* zmq_decompress_buf;

  bool is_collector;

  u_int16_t num_subscribers;

  zmq_subscriber subscriber[MAX_ZMQ_SUBSCRIBERS];

  char server_public_key[41], server_secret_key[41];

  bool using_default_encryption_key;

#if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 1, 0)

  char* findInterfaceEncryptionKeys(char* public_key, char* secret_key,

                                    int public_key_len, int secret_key_len);

#endif

  void checkIdleProbes(time_t now);

 public:

  ZMQCollectorInterface(const char* _endpoint);

  ~ZMQCollectorInterface();

  virtual const char* get_type() const { return (CONST_INTERFACE_TYPE_ZMQ); };

  inline char* getEndpoint(u_int8_t id) {

    return ((id < num_subscribers) ? subscriber[id].endpoint : (char*)"");

  };

  virtual bool isPacketInterface() const { return (false); };

  void collect_flows();

  virtual bool is_ndpi_enabled() const {

    return (true /* Needed by blacklists and risks */);

  };

  virtual void purgeIdle(time_t when, bool force_idle = false,

                         bool full_scan = false);

  void startPacketPolling();

  bool set_packet_filter(char* filter);

  virtual void lua(lua_State* vm, bool fullStats);

  virtual bool areTrafficDirectionsSupported() { return (true); };

};

#endif /* HAVE_NEDGE */

#endif /* _ZMQ_COLLECTOR_INTERFACE_H_ */

#endif