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3 Copyright (C) 2006, 2009, 2010 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 * @file datacache/perf_datacache.c
20 * @brief Performance evaluation for the datacache implementations.
24 #include "gnunet_util_lib.h"
25 #include "gnunet_datacache_lib.h"
26 #include "gnunet_testing_lib.h"
30 #define ASSERT(x) do { if (! (x)) { printf("Error at %s:%d\n", __FILE__, __LINE__); goto FAILURE;} } while (0)
32 #define ITERATIONS 10000
36 static unsigned int found;
39 * Name of plugin under test.
41 static const char *plugin_name;
46 const struct GNUNET_HashCode * key, size_t size, const char *data,
47 enum GNUNET_BLOCK_Type type,
48 struct GNUNET_TIME_Absolute exp,
49 unsigned int path_len,
50 const struct GNUNET_PeerIdentity *path)
52 if ((size == sizeof (struct GNUNET_HashCode)) && (0 == memcmp (data, cls, size)))
59 run (void *cls, char *const *args, const char *cfgfile,
60 const struct GNUNET_CONFIGURATION_Handle *cfg)
62 struct GNUNET_DATACACHE_Handle *h;
63 struct GNUNET_HashCode k;
64 struct GNUNET_HashCode n;
65 struct GNUNET_TIME_Absolute exp;
66 struct GNUNET_TIME_Absolute start;
71 h = GNUNET_DATACACHE_create (cfg, "perfcache");
75 FPRINTF (stderr, "%s", "Failed to initialize datacache. Database likely not setup, skipping test.\n");
76 ok = 77; /* mark test as skipped */
79 exp = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_HOURS);
80 start = GNUNET_TIME_absolute_get ();
81 memset (&k, 0, sizeof (struct GNUNET_HashCode));
82 for (i = 0; i < ITERATIONS; i++)
84 if (0 == i % (ITERATIONS / 80))
85 FPRINTF (stderr, "%s", ".");
86 GNUNET_CRYPTO_hash (&k, sizeof (struct GNUNET_HashCode), &n);
88 GNUNET_DATACACHE_put (h, &k, sizeof (struct GNUNET_HashCode),
89 (const char *) &n, 1 + i % 16, exp,
93 FPRINTF (stderr, "%s", "\n");
94 FPRINTF (stdout, "Stored %u items in %s\n", ITERATIONS,
95 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), GNUNET_YES));
96 GNUNET_snprintf (gstr, sizeof (gstr), "DATACACHE-%s", plugin_name);
97 GAUGER (gstr, "Time to PUT item in datacache",
98 GNUNET_TIME_absolute_get_duration (start).rel_value_us / 1000LL / ITERATIONS,
100 start = GNUNET_TIME_absolute_get ();
101 memset (&k, 0, sizeof (struct GNUNET_HashCode));
102 for (i = 0; i < ITERATIONS; i++)
104 if (0 == i % (ITERATIONS / 80))
105 FPRINTF (stderr, "%s", ".");
106 GNUNET_CRYPTO_hash (&k, sizeof (struct GNUNET_HashCode), &n);
107 GNUNET_DATACACHE_get (h, &k, 1 + i % 16, &checkIt, &n);
110 FPRINTF (stderr, "%s", "\n");
112 "Found %u/%u items in %s (%u were deleted during storage processing)\n",
114 GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), GNUNET_YES),
117 GAUGER (gstr, "Time to GET item from datacache",
118 GNUNET_TIME_absolute_get_duration (start).rel_value_us / 1000LL / found,
120 GNUNET_DATACACHE_destroy (h);
125 GNUNET_DATACACHE_destroy (h);
131 main (int argc, char *argv[])
134 char *const xargv[] = {
140 struct GNUNET_GETOPT_CommandLineOption options[] = {
141 GNUNET_GETOPT_OPTION_END
144 GNUNET_log_setup ("perf-datacache",
147 plugin_name = GNUNET_TESTING_get_testname_from_underscore (argv[0]);
148 GNUNET_snprintf (cfg_name, sizeof (cfg_name), "perf_datacache_data_%s.conf",
150 GNUNET_PROGRAM_run ((sizeof (xargv) / sizeof (char *)) - 1, xargv,
151 "perf-datacache", "nohelp", options, &run, NULL);
152 if ( (0 != ok) && (77 != ok) )
153 FPRINTF (stderr, "Missed some perfcases: %d\n", ok);
157 /* end of perf_datacache.c */