src/statistics/test_statistics_api_watch_zero_value.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2009, 2011, 2012 GNUnet e.V.
   4
   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.
   9
  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      Affero General Public License for more details.
  14
  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/>.
  17
  18      SPDX-License-Identifier: AGPL3.0-or-later
  19  */
  20 /**
  21  * @file statistics/test_statistics_api_watch_zero_value.c
  22  * @brief testcase for statistics_api.c watch functions with initial 0 value
  23  */
  24 #include "platform.h"
  25 #include "gnunet_util_lib.h"
  26 #include "gnunet_statistics_service.h"
  27
  28 static int ok;
  29
  30 static int ok2;
  31
  32 static struct GNUNET_STATISTICS_Handle *h;
  33
  34 static struct GNUNET_STATISTICS_Handle *h2;
  35
  36 static struct GNUNET_SCHEDULER_Task *shutdown_task;
  37
  38
  39 static void
  40 force_shutdown(void *cls)
  41 {
  42   fprintf(stderr, "Timeout, failed to receive notifications: %d\n", ok);
  43   GNUNET_STATISTICS_destroy(h, GNUNET_NO);
  44   GNUNET_STATISTICS_destroy(h2, GNUNET_NO);
  45   ok = 7;
  46 }
  47
  48
  49 static void
  50 normal_shutdown(void *cls)
  51 {
  52   GNUNET_STATISTICS_destroy(h, GNUNET_NO);
  53   GNUNET_STATISTICS_destroy(h2, GNUNET_NO);
  54 }
  55
  56
  57 static int
  58 watch_1(void *cls, const char *subsystem, const char *name, uint64_t value,
  59         int is_persistent)
  60 {
  61   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
  62              "Received value `%s' `%s' %llu\n",
  63              subsystem,
  64              name,
  65              (unsigned long long)value);
  66   GNUNET_assert(0 == strcmp(name, "test-1"));
  67   if ((0 == value) && (3 == ok))
  68     {
  69       ok--;
  70       GNUNET_STATISTICS_set(h, "test-1", 42, GNUNET_NO);
  71     }
  72
  73   if ((42 == value) && (2 == ok))
  74     {
  75       ok--;
  76       GNUNET_STATISTICS_set(h, "test-1", 0, GNUNET_NO);
  77     }
  78
  79   if ((0 == value) && (1 == ok))
  80     {
  81       ok--;
  82     }
  83   if ((0 == ok) && (0 == ok2))
  84     {
  85       GNUNET_SCHEDULER_cancel(shutdown_task);
  86       GNUNET_SCHEDULER_add_now(&normal_shutdown, NULL);
  87     }
  88
  89   return GNUNET_OK;
  90 }
  91
  92
  93 static int
  94 watch_2(void *cls,
  95         const char *subsystem,
  96         const char *name,
  97         uint64_t value,
  98         int is_persistent)
  99 {
 100   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
 101              "Received value `%s' `%s' %llu\n",
 102              subsystem,
 103              name,
 104              (unsigned long long)value);
 105
 106   GNUNET_assert(0 == strcmp(name, "test-2"));
 107   if ((42 == value) && (1 == ok2))
 108     {
 109       ok2 = 0;
 110       if (0 == ok)
 111         {
 112           GNUNET_SCHEDULER_cancel(shutdown_task);
 113           GNUNET_SCHEDULER_add_now(&normal_shutdown, NULL);
 114         }
 115     }
 116   else
 117     {
 118       GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 119                  "Received unexpected value %llu\n",
 120                  (unsigned long long)value);
 121
 122       GNUNET_break(0);
 123       GNUNET_SCHEDULER_cancel(shutdown_task);
 124       GNUNET_SCHEDULER_add_now(&normal_shutdown, NULL);
 125     }
 126
 127   return GNUNET_OK;
 128 }
 129
 130
 131 static void
 132 run(void *cls, char *const *args, const char *cfgfile,
 133     const struct GNUNET_CONFIGURATION_Handle *cfg)
 134 {
 135   h = GNUNET_STATISTICS_create("dummy", cfg);
 136   h2 = GNUNET_STATISTICS_create("dummy-2", cfg);
 137   GNUNET_assert(GNUNET_OK ==
 138                 GNUNET_STATISTICS_watch(h, "dummy",
 139                                         "test-1", &watch_1, NULL));
 140
 141   GNUNET_assert(GNUNET_OK ==
 142                 GNUNET_STATISTICS_watch(h2, "dummy-2",
 143                                         "test-2", &watch_2, NULL));
 144
 145   /* Set initial value to 0 */
 146   GNUNET_STATISTICS_set(h, "test-1", 0, GNUNET_NO);
 147   GNUNET_STATISTICS_set(h2, "test-2", 42, GNUNET_NO);
 148
 149   shutdown_task =
 150     GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_MINUTES,
 151                                  &force_shutdown,
 152                                  NULL);
 153 }
 154
 155
 156 int
 157 main(int argc, char *argv_ign[])
 158 {
 159   char *const argv[] = { "test-statistics-api",
 160                          "-c",
 161                          "test_statistics_api_data.conf",
 162                          NULL };
 163   struct GNUNET_GETOPT_CommandLineOption options[] = {
 164     GNUNET_GETOPT_OPTION_END
 165   };
 166   struct GNUNET_OS_Process *proc;
 167   char *binary;
 168
 169   binary = GNUNET_OS_get_libexec_binary_path("gnunet-service-statistics");
 170   proc =
 171     GNUNET_OS_start_process(GNUNET_YES, GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
 172                             NULL, NULL, NULL,
 173                             binary,
 174                             "gnunet-service-statistics",
 175                             "-c", "test_statistics_api_data.conf", NULL);
 176   GNUNET_assert(NULL != proc);
 177   ok = 3;
 178   ok2 = 1;
 179   GNUNET_PROGRAM_run(3, argv, "test-statistics-api", "nohelp", options, &run,
 180                      NULL);
 181   if (0 != GNUNET_OS_process_kill(proc, GNUNET_TERM_SIG))
 182     {
 183       GNUNET_log_strerror(GNUNET_ERROR_TYPE_WARNING, "kill");
 184       ok = 1;
 185     }
 186   GNUNET_OS_process_wait(proc);
 187   GNUNET_OS_process_destroy(proc);
 188   proc = NULL;
 189   GNUNET_free(binary);
 190   if ((0 == ok) && (0 == ok2))
 191     return 0;
 192   return 1;
 193 }
 194
 195 /* end of test_statistics_api_watch_zero_value.c */