/**
 * Handle a datum we've received from another peer.  Cache if
 * possible.
 *
 * @param expiration when will the reply expire
 * @param key the query this reply is for
 * @param put_path_length number of peers in 'put_path'
 * @param put_path path the reply took on put
 * @param type type of the reply
 * @param data_size number of bytes in 'data'
 * @param data application payload data
 */
void
GDS_DATACACHE_handle_put (struct GNUNET_TIME_Absolute expiration,
                          const struct GNUNET_HashCode * key,
                          unsigned int put_path_length,
                          const struct GNUNET_PeerIdentity *put_path,
                          enum GNUNET_BLOCK_Type type, size_t data_size,
                          const void *data)
{
  if (NULL == datacache)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                _("%s request received, but have no datacache!\n"), "PUT");
    return;
  }
  if (data_size >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
  {
    GNUNET_break (0);
    return;
  }
  /* Put size is actual data size plus struct overhead plus path length (if any) */
  GNUNET_STATISTICS_update (GDS_stats,
                            gettext_noop ("# ITEMS stored in datacache"), 1,
                            GNUNET_NO);
  (void) GNUNET_DATACACHE_put (datacache, key, 
			       data_size, data, type,
                               expiration, put_path_length, put_path);
}
Beispiel #2
0
static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  struct GNUNET_DATACACHE_Handle *h;
  struct GNUNET_HashCode k;
  struct GNUNET_HashCode n;
  struct GNUNET_TIME_Absolute exp;
  struct GNUNET_TIME_Absolute start;
  unsigned int i;
  char gstr[128];

  ok = 0;
  h = GNUNET_DATACACHE_create (cfg, "perfcache");

  if (h == NULL)
  {
    FPRINTF (stderr, "%s", "Failed to initialize datacache.  Database likely not setup, skipping test.\n");
    ok = 77; /* mark test as skipped */
    return;
  }
  exp = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_HOURS);
  start = GNUNET_TIME_absolute_get ();
  memset (&k, 0, sizeof (struct GNUNET_HashCode));
  for (i = 0; i < ITERATIONS; i++)
  {
    if (0 == i % (ITERATIONS / 80))
      FPRINTF (stderr, "%s",  ".");
    GNUNET_CRYPTO_hash (&k, sizeof (struct GNUNET_HashCode), &n);
    ASSERT (GNUNET_OK ==
            GNUNET_DATACACHE_put (h, &k, sizeof (struct GNUNET_HashCode),
                                  (const char *) &n, 1 + i % 16, exp,
				  0, NULL));
    k = n;
  }
  FPRINTF (stderr, "%s",  "\n");
  FPRINTF (stdout, "Stored %u items in %s\n", ITERATIONS,
	   GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), GNUNET_YES));
  GNUNET_snprintf (gstr, sizeof (gstr), "DATACACHE-%s", plugin_name);
  GAUGER (gstr, "Time to PUT item in datacache",
          GNUNET_TIME_absolute_get_duration (start).rel_value_us / 1000LL / ITERATIONS,
          "ms/item");
  start = GNUNET_TIME_absolute_get ();
  memset (&k, 0, sizeof (struct GNUNET_HashCode));
  for (i = 0; i < ITERATIONS; i++)
  {
    if (0 == i % (ITERATIONS / 80))
      FPRINTF (stderr, "%s",  ".");
    GNUNET_CRYPTO_hash (&k, sizeof (struct GNUNET_HashCode), &n);
    GNUNET_DATACACHE_get (h, &k, 1 + i % 16, &checkIt, &n);
    k = n;
  }
  FPRINTF (stderr, "%s",  "\n");
  FPRINTF (stdout,
           "Found %u/%u items in %s (%u were deleted during storage processing)\n",
           found, ITERATIONS,
           GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), GNUNET_YES),
           ITERATIONS - found);
  if (found > 0)
    GAUGER (gstr, "Time to GET item from datacache",
            GNUNET_TIME_absolute_get_duration (start).rel_value_us / 1000LL / found,
            "ms/item");
  GNUNET_DATACACHE_destroy (h);
  ASSERT (ok == 0);
  return;
FAILURE:
  if (h != NULL)
    GNUNET_DATACACHE_destroy (h);
  ok = GNUNET_SYSERR;
}