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_YES
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;
83 putValue (struct GNUNET_DATASTORE_PluginFunctions * api, int i, int k)
87 static GNUNET_HashCode key;
91 /* most content is 32k */
94 if (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16) == 0) /* but some of it is less! */
95 size = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 32 * 1024);
96 size = size - (size & 7); /* always multiple of 8 */
98 /* generate random key */
99 key.bits[0] = (unsigned int) GNUNET_TIME_absolute_get ().value;
100 GNUNET_CRYPTO_hash (&key, sizeof (GNUNET_HashCode), &key);
101 memset (value, i, size);
103 memset (value, i - 255, size / 2);
106 if (GNUNET_OK != api->put (api->cls,
111 GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100),
113 GNUNET_TIME_relative_to_absolute
114 (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
115 60 * 60 * 60 * 1000 +
116 GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 1000))),
119 fprintf (stderr, "ERROR: `%s'\n", msg);
120 GNUNET_free_non_null (msg);
124 stored_bytes += size;
131 iterateDummy (void *cls,
133 const GNUNET_HashCode * key,
139 struct GNUNET_TIME_Absolute
143 struct CpsRunContext *crc = cls;
147 crc->end = GNUNET_TIME_absolute_get();
149 (unsigned long long) (crc->end.value - crc->start.value));
150 if (crc->phase != RP_AN_GET)
156 if (crc->i == ITERATIONS)
157 crc->phase = RP_DONE;
163 crc->api->next_request (next_cls,
170 const struct GNUNET_SCHEDULER_TaskContext *tc)
172 struct CpsRunContext *crc = cls;
178 crc->start = GNUNET_TIME_absolute_get ();
179 for (j=0;j<PUT_10;j++)
180 putValue (crc->api, j, crc->i);
181 crc->end = GNUNET_TIME_absolute_get ();
182 printf ("%3u insertion took %20llums\n", crc->i,
183 (unsigned long long) (crc->end.value - crc->start.value));
185 crc->phase = RP_LP_GET;
186 GNUNET_SCHEDULER_add_after (crc->sched,
188 GNUNET_SCHEDULER_PRIORITY_KEEP,
189 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
193 crc->start = GNUNET_TIME_absolute_get ();
194 crc->msg = "%3u low priority iteration took %20llums\n";
195 crc->api->iter_low_priority (crc->api->cls, 0,
200 crc->start = GNUNET_TIME_absolute_get ();
201 crc->msg = "%3u ascending expiration iteration took %20llums\n";
202 crc->api->iter_ascending_expiration (crc->api->cls, 0,
207 crc->start = GNUNET_TIME_absolute_get ();
208 crc->msg = "%3u zero anonymity iteration took %20llums\n";
209 crc->api->iter_zero_anonymity (crc->api->cls, 0,
214 crc->start = GNUNET_TIME_absolute_get ();
215 crc->msg = "%3u migration order iteration took %20llums\n";
216 crc->api->iter_migration_order (crc->api->cls, 0,
221 crc->start = GNUNET_TIME_absolute_get ();
222 crc->msg = "%3u all now iteration took %20llums\n";
223 crc->api->iter_all_now (crc->api->cls, 0,
228 crc->api->drop (crc->api->cls);
235 * Load the datastore plugin.
237 static struct GNUNET_DATASTORE_PluginFunctions *
238 load_plugin (struct GNUNET_CONFIGURATION_Handle *cfg,
239 struct GNUNET_SCHEDULER_Handle *sched)
241 static struct GNUNET_DATASTORE_PluginEnvironment env;
242 struct GNUNET_DATASTORE_PluginFunctions * ret;
247 GNUNET_CONFIGURATION_get_value_string (cfg,
248 "DATASTORE", "DATABASE", &name))
250 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
251 _("No `%s' specified for `%s' in configuration!\n"),
258 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
259 _("Loading `%s' datastore plugin\n"), name);
260 GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
261 GNUNET_assert (NULL != (ret = GNUNET_PLUGIN_load (libname, &env)));
262 GNUNET_free (libname);
269 * Function called when the service shuts
270 * down. Unloads our datastore plugin.
272 * @param api api to unload
275 unload_plugin (struct GNUNET_DATASTORE_PluginFunctions * api,
276 struct GNUNET_CONFIGURATION_Handle *cfg)
282 GNUNET_CONFIGURATION_get_value_string (cfg,
283 "DATASTORE", "DATABASE", &name))
285 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
286 _("No `%s' specified for `%s' in configuration!\n"),
291 GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name);
292 GNUNET_break (NULL == GNUNET_PLUGIN_unload (libname, api));
293 GNUNET_free (libname);
300 * Last task run during shutdown. Disconnects us from
301 * the transport and core.
304 cleaning_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
306 struct CpsRunContext *crc = cls;
308 unload_plugin (crc->api, crc->cfg);
316 struct GNUNET_SCHEDULER_Handle *s,
319 struct GNUNET_CONFIGURATION_Handle *c)
321 struct GNUNET_DATASTORE_PluginFunctions *api;
322 struct CpsRunContext *crc;
324 api = load_plugin (c, s);
325 GNUNET_assert (api != NULL);
326 crc = GNUNET_malloc(sizeof(struct CpsRunContext));
331 GNUNET_SCHEDULER_add_after (s,
333 GNUNET_SCHEDULER_PRIORITY_KEEP,
334 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
336 GNUNET_SCHEDULER_add_delayed (s,
338 GNUNET_SCHEDULER_PRIORITY_IDLE,
339 GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
340 GNUNET_TIME_UNIT_FOREVER_REL,
341 &cleaning_task, crc);
348 char *const argv[] = {
349 "perf-plugin-datastore",
351 "perf_plugin_datastore_data.conf",
357 struct GNUNET_GETOPT_CommandLineOption options[] = {
358 GNUNET_GETOPT_OPTION_END
360 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
361 argv, "perf-plugin-datastore", "nohelp",
362 options, &run, NULL);
364 fprintf (stderr, "Missed some testcases: %u\n", ok);
370 main (int argc, char *argv[])
374 GNUNET_log_setup ("perf-plugin-datastore",
387 /* end of perf_plugin_datastore.c */