#ifndef HRUNIDGENERATOR_H
#define HRUNIDGENERATOR_H

typedef unsigned char      uint8_t;
typedef unsigned short int uint16_t;
typedef unsigned int       uint32_t;
typedef unsigned char      uuid_t[16];

class HRunIdGenerator {
  struct uuid {
  	 uint32_t time_low;
 	 uint16_t time_mid;
	 uint16_t time_hi_and_version;
	 uint16_t clock_seq;
	 uint8_t node[6];
  };
  int get_random_fd(void);
  void get_random_bytes(void*, int);
  int get_node_id(unsigned char*);
  int get_clock(uint32_t*, uint32_t*, uint16_t*);
  void uuid_generate_time(uuid_t);
  void uuid_generate_random(uuid_t);
  void uuid_generate(uuid_t);
  void uuid_pack(const struct uuid*, uuid_t);
  void uuid_unpack(const uuid_t, struct uuid*);
public:
  HRunIdGenerator() {}
  ~HRunIdGenerator() {}
  unsigned int generateId(void);
};

#endif /*! HRUNIDGENERATOR_H */