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