C++ (Cpp) format_uuid_v1 Examples

Example #1

File: uuid.c Project: mcruse/monotone

/* uuid_create -- generator a UUID */
int uuid_create(uuid_t * uuid) {
  uuid_time_t timestamp, last_time;
  unsigned16 clockseq;
  uuid_node_t node;
  uuid_node_t last_node;
  int f;

  /* acquire system wide lock so we're alone */
  LOCK;

  /* get current time */
  get_current_time(&timestamp);

  /* get node ID */
  get_ieee_node_identifier(&node);

  /* get saved state from NV storage */
  f = read_state(&clockseq, &last_time, &last_node);

  /* if no NV state, or if clock went backwards, or node ID changed
     (e.g., net card swap) change clockseq */
  if (!f || memcmp(&node, &last_node, sizeof(uuid_node_t)))
    clockseq = true_random();
  else if (timestamp < last_time)
    clockseq++;

  /* stuff fields into the UUID */
  format_uuid_v1(uuid, clockseq, timestamp, node);

  /* save the state for next time */
  write_state(clockseq, timestamp, node);

  UNLOCK;
  return(1);
};

Example #2

File: uuid.cpp Project: campadrenalin/terminal-overload

/* dav_create_opaquelocktoken - generates a UUID version 1 token.
 *   Clock_sequence and node_address set to pseudo-random
 *   numbers during init.  
 *
 *   Should postpend pid to account for non-seralized creation?
 */
static int create_token(uuid_state *st, xuuid_t *u)
{
    uuid_time_t timestamp;
    
    get_current_time(&timestamp);
    format_uuid_v1(u, st->cs, timestamp, st->node);
    
    return 1;
}