src/arm/test_exponential_backoff.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009 Christian Grothoff (and other contributing authors)
   4
   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.
   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      General Public License for more details.
  14
  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.
  19 */
  20 /**
  21  * @file arm/test_exponential_backoff.c
  22  * @brief testcase for gnunet-service-arm.c
  23  */
  24 #include "platform.h"
  25 #include "gnunet_arm_service.h"
  26 #include "gnunet_client_lib.h"
  27 #include "gnunet_configuration_lib.h"
  28 #include "gnunet_program_lib.h"
  29
  30 #define VERBOSE GNUNET_NO
  31 #define START_ARM GNUNET_YES
  32 #define LOG_BACKOFF GNUNET_NO
  33 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
  34 #define SERVICE_TEST_TIMEOUT GNUNET_TIME_UNIT_FOREVER_REL
  35 #define FIVE_MILLISECONDS GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 5)
  36
  37 static struct GNUNET_SCHEDULER_Handle *sched;
  38 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  39 static struct GNUNET_ARM_Handle *arm;
  40 static int ok = 1;
  41
  42 #if LOG_BACKOFF
  43 static FILE *killLogFilePtr;
  44 static char *killLogFileName;
  45 #endif
  46
  47
  48 static void
  49 arm_notify_stop (void *cls, int success)
  50 {
  51   GNUNET_assert (success == GNUNET_NO);
  52 #if START_ARM
  53   GNUNET_ARM_stop_service (arm, "arm", TIMEOUT, NULL, NULL);
  54 #endif
  55 }
  56
  57
  58 static void
  59 kill_task (void *cbData,
  60            const struct GNUNET_SCHEDULER_TaskContext *tc);
  61
  62
  63 static void
  64 do_nothing_notify (void *cls, int success)
  65 {
  66   GNUNET_assert (success == GNUNET_YES);
  67   ok = 1;
  68   GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_UNIT_SECONDS,
  69                                 &kill_task, NULL);
  70 }
  71
  72
  73 static void
  74 arm_notify (void *cls, int success)
  75 {
  76   GNUNET_assert (success == GNUNET_YES);
  77   GNUNET_ARM_start_service (arm,
  78                             "do-nothing", TIMEOUT,
  79                             &do_nothing_notify, NULL);
  80 }
  81
  82
  83 static void
  84 kill_task (void *cbData,
  85                    const struct GNUNET_SCHEDULER_TaskContext *tc);
  86
  87
  88 static void
  89 do_nothing_restarted_notify_task (void *cls,
  90                                   const struct GNUNET_SCHEDULER_TaskContext *tc)
  91 {
  92   static char a;
  93   static int trialCount = 0;
  94
  95   trialCount++;
  96
  97 #if LOG_BACKOFF
  98   if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
  99     {
 100       fprintf(killLogFilePtr,
 101               "%d.Reason is shutdown!\n",
 102               trialCount);
 103     }
 104   else if ((tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT) != 0)
 105     {
 106       fprintf(killLogFilePtr,
 107               "%d.Reason is timeout!\n",
 108               trialCount);
 109     }
 110   else if ((tc->reason & GNUNET_SCHEDULER_REASON_PREREQ_DONE) != 0)
 111     {
 112       fprintf(killLogFilePtr,
 113               "%d.Service is running!\n",
 114               trialCount);
 115     }
 116 #endif
 117   GNUNET_SCHEDULER_add_now (sched, &kill_task, &a);
 118 }
 119
 120
 121 static void
 122 do_test (void *cbData,
 123          const struct GNUNET_SCHEDULER_TaskContext *tc)
 124 {
 125   GNUNET_CLIENT_service_test(sched, "do-nothing",
 126                              cfg, TIMEOUT,
 127                              &do_nothing_restarted_notify_task, NULL);
 128 }
 129
 130
 131 static void
 132 kill_task (void *cbData,
 133                    const struct GNUNET_SCHEDULER_TaskContext *tc)
 134 {
 135   static struct GNUNET_CLIENT_Connection * doNothingConnection = NULL;
 136   static struct GNUNET_TIME_Absolute startedWaitingAt;
 137   struct GNUNET_TIME_Relative waitedFor;
 138   static int trialCount = 0;
 139
 140   if (NULL != cbData) {
 141     waitedFor = GNUNET_TIME_absolute_get_duration (startedWaitingAt);
 142 #if LOG_BACKOFF
 143     fprintf(killLogFilePtr,
 144             "Waited for: %llu ms\n",
 145             (unsigned long long) waitedFor.value);
 146 #endif
 147   }
 148   else
 149     waitedFor.value = 0;
 150   /* Connect to the doNothing task */
 151   doNothingConnection = GNUNET_CLIENT_connect (sched, "do-nothing", cfg);
 152 #if LOG_BACKOFF
 153   if (NULL == doNothingConnection)
 154     fprintf(killLogFilePtr,
 155             "Unable to connect to do-nothing process!\n");
 156 #endif
 157   if (trialCount == 12) {
 158     GNUNET_ARM_stop_service (arm,
 159                              "do-nothing",
 160                              TIMEOUT,
 161                              &arm_notify_stop, NULL);
 162     ok = 0;
 163     return;
 164   }
 165
 166   /* Use the created connection to kill the doNothingTask */
 167   GNUNET_CLIENT_service_shutdown(doNothingConnection);
 168   trialCount++;
 169   startedWaitingAt = GNUNET_TIME_absolute_get();
 170   GNUNET_SCHEDULER_add_delayed (sched,
 171                                 waitedFor,
 172                                 &do_test,
 173                                 NULL);
 174 }
 175
 176
 177 static void
 178 task (void *cls,
 179       struct GNUNET_SCHEDULER_Handle *s,
 180       char *const *args,
 181       const char *cfgfile,
 182       const struct GNUNET_CONFIGURATION_Handle *c)
 183 {
 184   cfg = c;
 185   sched = s;
 186
 187   arm = GNUNET_ARM_connect (cfg, sched, NULL);
 188 #if START_ARM
 189   GNUNET_ARM_start_service (arm, "arm", GNUNET_TIME_UNIT_ZERO, &arm_notify, NULL);
 190 #else
 191   arm_do_nothing (NULL, GNUNET_YES);
 192 #endif
 193 }
 194
 195 static int
 196 check ()
 197 {
 198   char *const argv[] = {
 199     "test-arm-api",
 200     "-c", "test_arm_api_data.conf",
 201 #if VERBOSE
 202     "-L", "DEBUG",
 203 #endif
 204     NULL
 205   };
 206   struct GNUNET_GETOPT_CommandLineOption options[] = {
 207     GNUNET_GETOPT_OPTION_END
 208   };
 209
 210   /* Running ARM  and running the do_nothing task */
 211   GNUNET_assert (GNUNET_OK ==
 212                  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 213                                      argv,
 214                                      "test-exponential-backoff",
 215                                      "nohelp", options, &task, NULL));
 216
 217
 218   return ok;
 219 }
 220
 221 static int
 222 init()
 223 {
 224 #if LOG_BACKOFF
 225   killLogFileName = GNUNET_DISK_mktemp("exponential-backoff-waiting.log");
 226   if (NULL == (killLogFilePtr = FOPEN(killLogFileName, "w"))) {
 227     GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "fopen", killLogFileName);
 228     GNUNET_free (killLogFileName);
 229     return GNUNET_SYSERR;
 230   }
 231 #endif
 232   return GNUNET_OK;
 233 }
 234
 235
 236 static void
 237 houseKeep()
 238 {
 239 #if LOG_BACKOFF
 240   GNUNET_assert (0 == fclose (killLogFilePtr));
 241   GNUNET_free(killLogFileName);
 242 #endif
 243 }
 244
 245
 246 int
 247 main (int argc, char *argv[])
 248 {
 249   int ret;
 250
 251   GNUNET_log_setup ("test-exponential-backoff",
 252 #if VERBOSE
 253                     "DEBUG",
 254 #else
 255                     "WARNING",
 256 #endif
 257                     NULL);
 258
 259   init();
 260   ret = check ();
 261   houseKeep();
 262   return ret;
 263 }
 264
 265 /* end of test_exponential_backoff.c */