/** * Handle a GET request we've received from another peer. * * @param key the query * @param type requested data type * @param xquery extended query * @param xquery_size number of bytes in @a xquery * @param reply_bf where the reply bf is (to be) stored, possibly updated, can be NULL * @param reply_bf_mutator mutation value for @a reply_bf * @return evaluation result for the local replies */ enum GNUNET_BLOCK_EvaluationResult GDS_DATACACHE_handle_get (const struct GNUNET_HashCode *key, enum GNUNET_BLOCK_Type type, const void *xquery, size_t xquery_size, struct GNUNET_CONTAINER_BloomFilter **reply_bf, uint32_t reply_bf_mutator) { struct GetRequestContext ctx; unsigned int r; if (NULL == datacache) return GNUNET_BLOCK_EVALUATION_REQUEST_VALID; GNUNET_STATISTICS_update (GDS_stats, gettext_noop ("# GET requests given to datacache"), 1, GNUNET_NO); ctx.eval = GNUNET_BLOCK_EVALUATION_REQUEST_VALID; ctx.key = *key; ctx.xquery = xquery; ctx.xquery_size = xquery_size; ctx.reply_bf = reply_bf; ctx.reply_bf_mutator = reply_bf_mutator; r = GNUNET_DATACACHE_get (datacache, key, type, &datacache_get_iterator, &ctx); LOG (GNUNET_ERROR_TYPE_DEBUG, "DATACACHE GET for key %s completed (%d). %u results found.\n", GNUNET_h2s (key), ctx.eval, r); return ctx.eval; }
/** * Handle a GET request we've received from another peer. * * @param key the query * @param type requested data type * @param xquery extended query * @param xquery_size number of bytes in xquery * @param reply_bf where the reply bf is (to be) stored, possibly updated, can be NULL * @param reply_bf_mutator mutation value for reply_bf * @return evaluation result for the local replies */ enum GNUNET_BLOCK_EvaluationResult GDS_DATACACHE_handle_get (const struct GNUNET_HashCode * key, enum GNUNET_BLOCK_Type type, const void *xquery, size_t xquery_size, struct GNUNET_CONTAINER_BloomFilter **reply_bf, uint32_t reply_bf_mutator) { struct GetRequestContext ctx; if (datacache == NULL) return GNUNET_BLOCK_EVALUATION_REQUEST_VALID; GNUNET_STATISTICS_update (GDS_stats, gettext_noop ("# GET requests given to datacache"), 1, GNUNET_NO); ctx.eval = GNUNET_BLOCK_EVALUATION_REQUEST_VALID; ctx.key = *key; ctx.xquery = xquery; ctx.xquery_size = xquery_size; ctx.reply_bf = reply_bf; ctx.reply_bf_mutator = reply_bf_mutator; (void) GNUNET_DATACACHE_get (datacache, key, type, &datacache_get_iterator, &ctx); return ctx.eval; }
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; }