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- /*
- This file is part of GNUnet.
- Copyright (C) 2006, 2009, 2010 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
- GNUnet 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
- Affero General Public License for more details.
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /*
- * @file datacache/perf_datacache.c
- * @brief Performance evaluation for the datacache implementations.
- * @author Nils Durner
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_datacache_lib.h"
- #include "gnunet_testing_lib.h"
- #include <gauger.h>
- #define ASSERT(x) do { if (! (x)) { printf ("Error at %s:%d\n", __FILE__, \
- __LINE__); goto FAILURE; \
- } } while (0)
- #define ITERATIONS 10000
- static int ok;
- static unsigned int found;
- /**
- * Name of plugin under test.
- */
- static const char *plugin_name;
- static int
- checkIt (void *cls,
- const struct GNUNET_HashCode *key, size_t size, const char *data,
- enum GNUNET_BLOCK_Type type,
- struct GNUNET_TIME_Absolute exp,
- unsigned int path_len,
- const struct GNUNET_PeerIdentity *path)
- {
- if ((size == sizeof(struct GNUNET_HashCode)) && (0 == memcmp (data, cls,
- size)))
- found++;
- return GNUNET_OK;
- }
- 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;
- }
- int
- main (int argc, char *argv[])
- {
- char cfg_name[PATH_MAX];
- char *const xargv[] = {
- "perf-datacache",
- "-c",
- cfg_name,
- NULL
- };
- struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_END
- };
- GNUNET_log_setup ("perf-datacache",
- "WARNING",
- NULL);
- plugin_name = GNUNET_TESTING_get_testname_from_underscore (argv[0]);
- GNUNET_snprintf (cfg_name, sizeof(cfg_name), "perf_datacache_data_%s.conf",
- plugin_name);
- GNUNET_PROGRAM_run ((sizeof(xargv) / sizeof(char *)) - 1, xargv,
- "perf-datacache", "nohelp", options, &run, NULL);
- if ((0 != ok) && (77 != ok))
- fprintf (stderr, "Missed some perfcases: %d\n", ok);
- return ok;
- }
- /* end of perf_datacache.c */
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