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 3, 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;
54 static const char *plugin_name;
73 struct GNUNET_TIME_Absolute start;
74 struct GNUNET_TIME_Absolute end;
75 struct GNUNET_SCHEDULER_Handle *sched;
76 const struct GNUNET_CONFIGURATION_Handle *cfg;
77 struct GNUNET_DATASTORE_PluginFunctions * api;
85 * Function called by plugins to notify us about a
86 * change in their disk utilization.
88 * @param cls closure (NULL)
89 * @param delta change in disk utilization,
90 * 0 for "reset to empty"
93 disk_utilization_change_cb (void *cls,
100 putValue (struct GNUNET_DATASTORE_PluginFunctions * api, int i, int k)
104 static GNUNET_HashCode key;
109 /* most content is 32k */
112 if (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16) == 0) /* but some of it is less! */
113 size = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 32 * 1024);
114 size = size - (size & 7); /* always multiple of 8 */
116 /* generate random key */
117 key.bits[0] = (unsigned int) GNUNET_TIME_absolute_get ().value;
118 GNUNET_CRYPTO_hash (&key, sizeof (GNUNET_HashCode), &key);
119 memset (value, i, size);
121 memset (value, i - 255, size / 2);
124 prio = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
125 if (GNUNET_OK != api->put (api->cls,
132 GNUNET_TIME_relative_to_absolute
133 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
134 60 * 60 * 60 * 1000 +
135 GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 1000))),
138 fprintf (stderr, "ERROR: `%s'\n", msg);
139 GNUNET_free_non_null (msg);
143 stored_bytes += size;
150 const struct GNUNET_SCHEDULER_TaskContext *tc);
154 iterateDummy (void *cls,
156 const GNUNET_HashCode * key,
159 enum GNUNET_BLOCK_Type type,
162 struct GNUNET_TIME_Absolute
166 struct CpsRunContext *crc = cls;
170 crc->end = GNUNET_TIME_absolute_get();
173 (unsigned long long) (crc->end.value - crc->start.value),
175 if (crc->phase != RP_AN_GET)
181 if (crc->i == ITERATIONS)
182 crc->phase = RP_DONE;
186 GNUNET_SCHEDULER_add_after (crc->sched,
187 GNUNET_SCHEDULER_NO_TASK,
192 fprintf (stderr, "Found result type=%u, priority=%u, size=%u, expire=%llu\n",
193 type, priority, size,
194 (unsigned long long) expiration.value);
197 crc->api->next_request (next_cls,
205 * Function called when the service shuts
206 * down. Unloads our datastore plugin.
208 * @param api api to unload
209 * @param cfg configuration to use
212 unload_plugin (struct GNUNET_DATASTORE_PluginFunctions * api,
213 const struct GNUNET_CONFIGURATION_Handle *cfg)
219 GNUNET_CONFIGURATION_get_value_string (cfg,
220 "DATASTORE", "DATABASE", &name))
222 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
223 _("No `%s' specified for `%s' in configuration!\n"),
228 GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
229 GNUNET_break (NULL == GNUNET_PLUGIN_unload (libname, api));
230 GNUNET_free (libname);
237 * Last task run during shutdown. Disconnects us from
238 * the transport and core.
241 cleaning_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
243 struct CpsRunContext *crc = cls;
245 unload_plugin (crc->api, crc->cfg);
252 const struct GNUNET_SCHEDULER_TaskContext *tc)
254 struct CpsRunContext *crc = cls;
260 crc->start = GNUNET_TIME_absolute_get ();
261 for (j=0;j<PUT_10;j++)
262 putValue (crc->api, j, crc->i);
263 crc->end = GNUNET_TIME_absolute_get ();
264 printf ("%3u insertion took %20llums for %u\n",
266 (unsigned long long) (crc->end.value - crc->start.value),
267 (unsigned int) PUT_10);
269 crc->phase = RP_LP_GET;
270 GNUNET_SCHEDULER_add_after (crc->sched,
271 GNUNET_SCHEDULER_NO_TASK,
276 crc->start = GNUNET_TIME_absolute_get ();
277 crc->msg = "%3u low priority iteration took %20llums for %u\n";
278 crc->api->iter_low_priority (crc->api->cls, 0,
284 crc->start = GNUNET_TIME_absolute_get ();
285 crc->msg = "%3u ascending expiration iteration took %20llums for %u\n";
286 crc->api->iter_ascending_expiration (crc->api->cls, 0,
292 crc->start = GNUNET_TIME_absolute_get ();
293 crc->msg = "%3u zero anonymity iteration took %20llums for %u\n";
294 crc->api->iter_zero_anonymity (crc->api->cls, 0,
300 crc->start = GNUNET_TIME_absolute_get ();
301 crc->msg = "%3u migration order iteration took %20llums for %u\n";
302 crc->api->iter_migration_order (crc->api->cls, 0,
308 crc->start = GNUNET_TIME_absolute_get ();
309 crc->msg = "%3u all now iteration took %20llums for %u\n";
310 crc->api->iter_all_now (crc->api->cls, 0,
315 crc->api->drop (crc->api->cls);
316 GNUNET_SCHEDULER_add_with_priority (crc->sched,
317 GNUNET_SCHEDULER_PRIORITY_IDLE,
318 &cleaning_task, crc);
325 * Load the datastore plugin.
327 static struct GNUNET_DATASTORE_PluginFunctions *
328 load_plugin (const struct GNUNET_CONFIGURATION_Handle *cfg,
329 struct GNUNET_SCHEDULER_Handle *sched)
331 static struct GNUNET_DATASTORE_PluginEnvironment env;
332 struct GNUNET_DATASTORE_PluginFunctions * ret;
337 GNUNET_CONFIGURATION_get_value_string (cfg,
338 "DATASTORE", "DATABASE", &name))
340 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
341 _("No `%s' specified for `%s' in configuration!\n"),
348 env.duc = &disk_utilization_change_cb;
350 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
351 _("Loading `%s' datastore plugin\n"), name);
352 GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
353 if (NULL == (ret = GNUNET_PLUGIN_load (libname, &env)))
356 "Failed to load plugin `%s'!\n",
360 GNUNET_free (libname);
368 struct GNUNET_SCHEDULER_Handle *s,
371 const struct GNUNET_CONFIGURATION_Handle *c)
373 struct GNUNET_DATASTORE_PluginFunctions *api;
374 struct CpsRunContext *crc;
376 api = load_plugin (c, s);
380 "Could not initialize plugin, assuming database not configured. Test not run!\n");
383 crc = GNUNET_malloc(sizeof(struct CpsRunContext));
388 GNUNET_SCHEDULER_add_now (crc->sched,
397 char *const argv[] = {
398 "perf-plugin-datastore",
406 struct GNUNET_GETOPT_CommandLineOption options[] = {
407 GNUNET_GETOPT_OPTION_END
410 GNUNET_snprintf (cfg_name,
412 "perf_plugin_datastore_data_%s.conf",
414 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
415 argv, "perf-plugin-datastore", "nohelp",
416 options, &run, NULL);
418 fprintf (stderr, "Missed some testcases: %u\n", ok);
424 main (int argc, char *argv[])
430 /* determine name of plugin to use */
431 plugin_name = argv[0];
432 while (NULL != (pos = strstr(plugin_name, "_")))
435 GNUNET_snprintf (dir_name,
437 "/tmp/perf-gnunet-datastore-%s",
439 GNUNET_DISK_directory_remove (dir_name);
440 GNUNET_log_setup ("perf-plugin-datastore",
448 GNUNET_DISK_directory_remove (dir_name);
453 /* end of perf_plugin_datastore.c */