/*

 *

 * (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 _ICMP_INFO_H_

#define _ICMP_INFO_H_

#include "ntop_includes.h"

typedef struct {

  IpAddress src_ip, dst_ip;

  u_int16_t src_port, dst_port;

  u_int16_t protocol;

} unreachable_t;

class ICMPinfo {

 private:

  u_int8_t icmp_type;

  u_int8_t icmp_code;

  u_int16_t icmp_identifier;

  unreachable_t* unreach;

  void reset();

 public:

  ICMPinfo();

  ICMPinfo(const ICMPinfo& _icmp_info);

  virtual ~ICMPinfo();

  unreachable_t* getUnreach() const { return unreach; };

  void dissectICMP(u_int16_t const payload_len,

                   const u_int8_t* const payload_data);

  inline void setType(u_int8_t type) { icmp_type = type; };

  inline void setCode(u_int8_t code) { icmp_code = code; };

  inline u_int8_t getType() { return (icmp_type); };

  inline u_int8_t getCode() { return (icmp_code); };

  void print() const;

  u_int32_t key() const;

  bool equal(const ICMPinfo* const icmp_info) const;

  void lua(lua_State* vm, AddressTree* ptree, NetworkInterface* iface,

           u_int16_t vlan_id) const;

  bool isPortUnreachable() const;

  bool isHostUnreachable(u_int8_t proto) const;

};

#endif /* _ICMP_INFO_H_ */