2 This file is part of GNUnet.
3 (C) 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file perf_plugin_datastore.c
22 * @brief Profile database plugin directly, focusing on iterators.
23 * @author Christian Grothoff
27 #include "gnunet_util_lib.h"
28 #include "gnunet_protocols.h"
29 #include "plugin_datastore.h"
31 #define VERBOSE GNUNET_NO
34 * Target datastore size (in bytes). Realistic sizes are
35 * more like 16 GB (not the default of 16 MB); however,
36 * those take too long to run them in the usual "make check"
37 * sequence. Hence the value used for shipping is tiny.
39 #define MAX_SIZE 1024LL * 1024 * 128
44 * Number of put operations equivalent to 1/10th of MAX_SIZE
46 #define PUT_10 (MAX_SIZE / 32 / 1024 / ITERATIONS)
48 static unsigned long long stored_bytes;
50 static unsigned long long stored_entries;
52 static unsigned long long stored_ops;
71 struct GNUNET_TIME_Absolute start;
72 struct GNUNET_TIME_Absolute end;
73 struct GNUNET_SCHEDULER_Handle *sched;
74 struct GNUNET_CONFIGURATION_Handle *cfg;
75 struct GNUNET_DATASTORE_PluginFunctions * api;
84 putValue (struct GNUNET_DATASTORE_PluginFunctions * api, int i, int k)
88 static GNUNET_HashCode key;
93 /* most content is 32k */
96 if (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16) == 0) /* but some of it is less! */
97 size = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 32 * 1024);
98 size = size - (size & 7); /* always multiple of 8 */
100 /* generate random key */
101 key.bits[0] = (unsigned int) GNUNET_TIME_absolute_get ().value;
102 GNUNET_CRYPTO_hash (&key, sizeof (GNUNET_HashCode), &key);
103 memset (value, i, size);
105 memset (value, i - 255, size / 2);
108 prio = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
109 if (GNUNET_OK != api->put (api->cls,
116 GNUNET_TIME_relative_to_absolute
117 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
118 60 * 60 * 60 * 1000 +
119 GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 1000))),
122 fprintf (stderr, "ERROR: `%s'\n", msg);
123 GNUNET_free_non_null (msg);
127 stored_bytes += size;
134 const struct GNUNET_SCHEDULER_TaskContext *tc);
138 iterateDummy (void *cls,
140 const GNUNET_HashCode * key,
146 struct GNUNET_TIME_Absolute
150 struct CpsRunContext *crc = cls;
154 crc->end = GNUNET_TIME_absolute_get();
157 (unsigned long long) (crc->end.value - crc->start.value),
159 if (crc->phase != RP_AN_GET)
165 if (crc->i == ITERATIONS)
166 crc->phase = RP_DONE;
170 GNUNET_SCHEDULER_add_after (crc->sched,
172 GNUNET_SCHEDULER_PRIORITY_KEEP,
173 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
178 fprintf (stderr, "Found result type=%u, priority=%u, size=%u, expire=%llu\n",
179 type, priority, size,
180 (unsigned long long) expiration.value);
183 crc->api->next_request (next_cls,
191 * Function called when the service shuts
192 * down. Unloads our datastore plugin.
194 * @param api api to unload
197 unload_plugin (struct GNUNET_DATASTORE_PluginFunctions * api,
198 struct GNUNET_CONFIGURATION_Handle *cfg)
204 GNUNET_CONFIGURATION_get_value_string (cfg,
205 "DATASTORE", "DATABASE", &name))
207 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
208 _("No `%s' specified for `%s' in configuration!\n"),
213 GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
214 GNUNET_break (NULL == GNUNET_PLUGIN_unload (libname, api));
215 GNUNET_free (libname);
222 * Last task run during shutdown. Disconnects us from
223 * the transport and core.
226 cleaning_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
228 struct CpsRunContext *crc = cls;
230 unload_plugin (crc->api, crc->cfg);
237 const struct GNUNET_SCHEDULER_TaskContext *tc)
239 struct CpsRunContext *crc = cls;
245 crc->start = GNUNET_TIME_absolute_get ();
246 for (j=0;j<PUT_10;j++)
247 putValue (crc->api, j, crc->i);
248 crc->end = GNUNET_TIME_absolute_get ();
249 printf ("%3u insertion took %20llums for %u\n",
251 (unsigned long long) (crc->end.value - crc->start.value),
252 (unsigned int) PUT_10);
254 crc->phase = RP_LP_GET;
255 GNUNET_SCHEDULER_add_after (crc->sched,
257 GNUNET_SCHEDULER_PRIORITY_KEEP,
258 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
263 crc->start = GNUNET_TIME_absolute_get ();
264 crc->msg = "%3u low priority iteration took %20llums for %u\n";
265 crc->api->iter_low_priority (crc->api->cls, 0,
271 crc->start = GNUNET_TIME_absolute_get ();
272 crc->msg = "%3u ascending expiration iteration took %20llums for %u\n";
273 crc->api->iter_ascending_expiration (crc->api->cls, 0,
279 crc->start = GNUNET_TIME_absolute_get ();
280 crc->msg = "%3u zero anonymity iteration took %20llums for %u\n";
281 crc->api->iter_zero_anonymity (crc->api->cls, 0,
287 crc->start = GNUNET_TIME_absolute_get ();
288 crc->msg = "%3u migration order iteration took %20llums for %u\n";
289 crc->api->iter_migration_order (crc->api->cls, 0,
295 crc->start = GNUNET_TIME_absolute_get ();
296 crc->msg = "%3u all now iteration took %20llums for %u\n";
297 crc->api->iter_all_now (crc->api->cls, 0,
302 crc->api->drop (crc->api->cls);
303 GNUNET_SCHEDULER_add_delayed (crc->sched,
305 GNUNET_SCHEDULER_PRIORITY_IDLE,
306 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
307 GNUNET_TIME_UNIT_ZERO,
308 &cleaning_task, crc);
315 * Load the datastore plugin.
317 static struct GNUNET_DATASTORE_PluginFunctions *
318 load_plugin (struct GNUNET_CONFIGURATION_Handle *cfg,
319 struct GNUNET_SCHEDULER_Handle *sched)
321 static struct GNUNET_DATASTORE_PluginEnvironment env;
322 struct GNUNET_DATASTORE_PluginFunctions * ret;
327 GNUNET_CONFIGURATION_get_value_string (cfg,
328 "DATASTORE", "DATABASE", &name))
330 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
331 _("No `%s' specified for `%s' in configuration!\n"),
338 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
339 _("Loading `%s' datastore plugin\n"), name);
340 GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
341 GNUNET_assert (NULL != (ret = GNUNET_PLUGIN_load (libname, &env)));
342 GNUNET_free (libname);
350 struct GNUNET_SCHEDULER_Handle *s,
353 struct GNUNET_CONFIGURATION_Handle *c)
355 struct GNUNET_DATASTORE_PluginFunctions *api;
356 struct CpsRunContext *crc;
358 api = load_plugin (c, s);
359 GNUNET_assert (api != NULL);
360 crc = GNUNET_malloc(sizeof(struct CpsRunContext));
365 GNUNET_SCHEDULER_add_after (s,
367 GNUNET_SCHEDULER_PRIORITY_KEEP,
368 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
376 char *const argv[] = {
377 "perf-plugin-datastore",
379 "perf_plugin_datastore_data.conf",
385 struct GNUNET_GETOPT_CommandLineOption options[] = {
386 GNUNET_GETOPT_OPTION_END
388 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
389 argv, "perf-plugin-datastore", "nohelp",
390 options, &run, NULL);
392 fprintf (stderr, "Missed some testcases: %u\n", ok);
398 main (int argc, char *argv[])
402 GNUNET_log_setup ("perf-plugin-datastore",
415 /* end of perf_plugin_datastore.c */