/* This file is part of GNUnet. (C) 2011 Christian Grothoff (and other contributing authors) GNUnet is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, 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 General Public License for more details. You should have received a copy of the GNU General Public License along with GNUnet; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * @file test_plugin_datastore.c * @brief Test database plugin directly, calling each API function once * @author Christian Grothoff */ #include "platform.h" #include "gnunet_util_lib.h" #include "gnunet_protocols.h" #include "gnunet_datastore_plugin.h" #define VERBOSE GNUNET_NO /** * Number of put operations to perform. */ #define PUT_10 10 static unsigned long long stored_bytes; static unsigned long long stored_entries; static unsigned long long stored_ops; static const char *plugin_name; static int ok; enum RunPhase { RP_ERROR = 0, RP_PUT, RP_GET, RP_UPDATE, RP_ITER_ZERO, RP_REPL_GET, RP_EXPI_GET, RP_DROP }; struct CpsRunContext { const struct GNUNET_CONFIGURATION_Handle *cfg; struct GNUNET_DATASTORE_PluginFunctions *api; enum RunPhase phase; unsigned int cnt; unsigned int i; uint64_t offset; }; /** * Function called by plugins to notify us about a * change in their disk utilization. * * @param cls closure (NULL) * @param delta change in disk utilization, * 0 for "reset to empty" */ static void disk_utilization_change_cb (void *cls, int delta) { /* do nothing */ } static void gen_key (int i, GNUNET_HashCode * key) { memset (key, 0, sizeof (GNUNET_HashCode)); key->bits[0] = (unsigned int) i; GNUNET_CRYPTO_hash (key, sizeof (GNUNET_HashCode), key); } static void put_value (struct GNUNET_DATASTORE_PluginFunctions *api, int i, int k) { char value[65536]; size_t size; GNUNET_HashCode key; char *msg; unsigned int prio; /* most content is 32k */ size = 32 * 1024; if (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16) == 0) /* but some of it is less! */ size = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 32 * 1024); size = size - (size & 7); /* always multiple of 8 */ /* generate random key */ gen_key (i, &key); memset (value, i, size); if (i > 255) memset (value, i - 255, size / 2); value[0] = k; msg = NULL; prio = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100); #if VERBOSE FPRINTF (stderr, "putting type %u, anon %u under key %s\n", i + 1, i, GNUNET_h2s (&key)); #endif if (GNUNET_OK != api->put (api->cls, &key, size, value, i + 1 /* type */ , prio, i /* anonymity */ , 0 /* replication */ , GNUNET_TIME_relative_to_absolute (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 60 * 60 * 60 * 1000 + GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 1000))), &msg)) { FPRINTF (stderr, "ERROR: `%s'\n", msg); GNUNET_free_non_null (msg); return; } stored_bytes += size; stored_ops++; stored_entries++; } static void test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc); static uint64_t guid; static int iterate_one_shot (void *cls, const GNUNET_HashCode * key, uint32_t size, const void *data, enum GNUNET_BLOCK_Type type, uint32_t priority, uint32_t anonymity, struct GNUNET_TIME_Absolute expiration, uint64_t uid) { struct CpsRunContext *crc = cls; GNUNET_assert (key != NULL); guid = uid; crc->phase++; #if VERBOSE FPRINTF (stderr, "Found result type=%u, priority=%u, size=%u, expire=%llu, key %s\n", type, priority, size, (unsigned long long) expiration.abs_value, GNUNET_h2s (key)); #endif GNUNET_SCHEDULER_add_now (&test, crc); return GNUNET_OK; } /** * Function called when the service shuts * down. Unloads our datastore plugin. * * @param api api to unload * @param cfg configuration to use */ static void unload_plugin (struct GNUNET_DATASTORE_PluginFunctions *api, const struct GNUNET_CONFIGURATION_Handle *cfg) { char *name; char *libname; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "DATASTORE", "DATABASE", &name)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("No `%s' specified for `%s' in configuration!\n"), "DATABASE", "DATASTORE"); return; } GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name); GNUNET_break (NULL == GNUNET_PLUGIN_unload (libname, api)); GNUNET_free (libname); GNUNET_free (name); } /** * Last task run during shutdown. Disconnects us from * the transport and core. */ static void cleaning_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { struct CpsRunContext *crc = cls; unload_plugin (crc->api, crc->cfg); GNUNET_free (crc); } static void test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { struct CpsRunContext *crc = cls; int j; unsigned long long os; unsigned long long cs; GNUNET_HashCode key; if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Test aborted.\n"); crc->phase = RP_ERROR; } #if VERBOSE FPRINTF (stderr, "In phase %d, iteration %u\n", crc->phase, crc->cnt); #endif switch (crc->phase) { case RP_ERROR: ok = 1; GNUNET_break (0); crc->api->drop (crc->api->cls); GNUNET_SCHEDULER_add_now (&cleaning_task, crc); break; case RP_PUT: os = 0; for (j = 0; j < PUT_10; j++) { put_value (crc->api, j, crc->i); cs = crc->api->estimate_size (crc->api->cls); GNUNET_assert (os <= cs); os = cs; } crc->phase++; GNUNET_SCHEDULER_add_now (&test, crc); break; case RP_GET: if (crc->cnt == 1) { crc->cnt = 0; crc->phase++; GNUNET_SCHEDULER_add_now (&test, crc); break; } gen_key (5, &key); crc->api->get_key (crc->api->cls, crc->offset++, &key, NULL, GNUNET_BLOCK_TYPE_ANY, &iterate_one_shot, crc); break; case RP_UPDATE: GNUNET_assert (GNUNET_OK == crc->api->update (crc->api->cls, guid, 1, GNUNET_TIME_UNIT_ZERO_ABS, NULL)); crc->phase++; GNUNET_SCHEDULER_add_now (&test, crc); break; case RP_ITER_ZERO: if (crc->cnt == 1) { crc->cnt = 0; crc->phase++; GNUNET_SCHEDULER_add_now (&test, crc); break; } crc->api->get_zero_anonymity (crc->api->cls, 0, 1, &iterate_one_shot, crc); break; case RP_REPL_GET: crc->api->get_replication (crc->api->cls, &iterate_one_shot, crc); break; case RP_EXPI_GET: crc->api->get_expiration (crc->api->cls, &iterate_one_shot, crc); break; case RP_DROP: crc->api->drop (crc->api->cls); GNUNET_SCHEDULER_add_now (&cleaning_task, crc); break; } } /** * Load the datastore plugin. */ static struct GNUNET_DATASTORE_PluginFunctions * load_plugin (const struct GNUNET_CONFIGURATION_Handle *cfg) { static struct GNUNET_DATASTORE_PluginEnvironment env; struct GNUNET_DATASTORE_PluginFunctions *ret; char *name; char *libname; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "DATASTORE", "DATABASE", &name)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("No `%s' specified for `%s' in configuration!\n"), "DATABASE", "DATASTORE"); return NULL; } env.cfg = cfg; env.duc = &disk_utilization_change_cb; env.cls = NULL; GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Loading `%s' datastore plugin\n"), name); GNUNET_asprintf (&libname, "libgnunet_plugin_datastore_%s", name); if (NULL == (ret = GNUNET_PLUGIN_load (libname, &env))) { FPRINTF (stderr, "Failed to load plugin `%s'!\n", name); return NULL; } GNUNET_free (libname); GNUNET_free (name); return ret; } static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c) { struct GNUNET_DATASTORE_PluginFunctions *api; struct CpsRunContext *crc; api = load_plugin (c); if (api == NULL) { FPRINTF (stderr, "%s", "Could not initialize plugin, assuming database not configured. Test not run!\n"); return; } crc = GNUNET_malloc (sizeof (struct CpsRunContext)); crc->api = api; crc->cfg = c; crc->phase = RP_PUT; GNUNET_SCHEDULER_add_now (&test, crc); } static int check () { char cfg_name[128]; char *const argv[] = { "test-plugin-datastore", "-c", cfg_name, #if VERBOSE "-L", "DEBUG", #endif NULL }; struct GNUNET_GETOPT_CommandLineOption options[] = { GNUNET_GETOPT_OPTION_END }; GNUNET_snprintf (cfg_name, sizeof (cfg_name), "test_plugin_datastore_data_%s.conf", plugin_name); GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, "test-plugin-datastore", "nohelp", options, &run, NULL); if (ok != 0) FPRINTF (stderr, "Missed some testcases: %u\n", ok); return ok; } int main (int argc, char *argv[]) { int ret; char *pos; char dir_name[128]; sleep (1); /* determine name of plugin to use */ plugin_name = argv[0]; while (NULL != (pos = strstr (plugin_name, "_"))) plugin_name = pos + 1; if (NULL != (pos = strstr (plugin_name, "."))) pos[0] = 0; else pos = (char *) plugin_name; GNUNET_snprintf (dir_name, sizeof (dir_name), "/tmp/test-gnunet-datastore-plugin-%s", plugin_name); GNUNET_DISK_directory_remove (dir_name); GNUNET_log_setup ("test-plugin-datastore", #if VERBOSE "DEBUG", #else "WARNING", #endif NULL); ret = check (); if (pos != plugin_name) pos[0] = '.'; GNUNET_DISK_directory_remove (dir_name); return ret; } /* end of test_plugin_datastore.c */