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