src/fs/test_fs_search_persistence.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009, 2010 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 3, 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 /**
  22  * @file fs/test_fs_search_persistence.c
  23  * @brief simple testcase for persistence of search operation
  24  * @author Christian Grothoff
  25  */
  26
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_arm_service.h"
  30 #include "gnunet_fs_service.h"
  31
  32 #define VERBOSE GNUNET_NO
  33
  34 #define START_ARM GNUNET_YES
  35
  36 /**
  37  * File-size we use for testing.
  38  */
  39 #define FILESIZE 1024
  40
  41 /**
  42  * How long until we give up on transmitting the message?
  43  */
  44 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  45
  46 /**
  47  * How long should our test-content live?
  48  */
  49 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  50
  51 struct PeerContext
  52 {
  53   struct GNUNET_CONFIGURATION_Handle *cfg;
  54   struct GNUNET_PeerIdentity id;
  55 #if START_ARM
  56   pid_t arm_pid;
  57 #endif
  58 };
  59
  60 static struct PeerContext p1;
  61
  62 static struct GNUNET_TIME_Absolute start;
  63
  64 static struct GNUNET_SCHEDULER_Handle *sched;
  65
  66 static struct GNUNET_FS_Handle *fs;
  67
  68 static struct GNUNET_FS_SearchContext *search;
  69
  70 static struct GNUNET_FS_PublishContext *publish;
  71
  72 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  73
  74 static void
  75 abort_publish_task (void *cls,
  76                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  77 {
  78   GNUNET_FS_publish_stop (publish);
  79   publish = NULL;
  80 }
  81
  82
  83 static void
  84 abort_search_task (void *cls,
  85                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  86 {
  87   if (search != NULL)
  88     GNUNET_FS_search_stop (search);
  89   search = NULL;
  90 }
  91
  92
  93 static void *
  94 progress_cb (void *cls,
  95              const struct GNUNET_FS_ProgressInfo *event);
  96
  97
  98 static void
  99 restart_fs_task (void *cls,
 100                  const struct GNUNET_SCHEDULER_TaskContext *tc)
 101 {
 102   GNUNET_FS_stop (fs);
 103   fs = GNUNET_FS_start (sched,
 104                         cfg,
 105                         "test-fs-search-persistence",
 106                         &progress_cb,
 107                         NULL,
 108                         GNUNET_FS_FLAGS_PERSISTENCE,
 109                         GNUNET_FS_OPTIONS_END);
 110 }
 111
 112
 113
 114
 115 /**
 116  * Consider scheduling the restart-task.
 117  * Only runs the restart task once per event
 118  * category.
 119  *
 120  * @param ev type of the event to consider
 121  */
 122 static void
 123 consider_restart (int ev)
 124 {
 125   static int prev[32];
 126   static int off;
 127   int i;
 128   for (i=0;i<off;i++)
 129     if (prev[i] == ev)
 130       return;
 131   prev[off++] = ev;
 132   GNUNET_SCHEDULER_add_with_priority (sched,
 133                                       GNUNET_SCHEDULER_PRIORITY_URGENT,
 134                                       &restart_fs_task,
 135                                       NULL);
 136 }
 137
 138
 139 static void *
 140 progress_cb (void *cls,
 141              const struct GNUNET_FS_ProgressInfo *event)
 142 {
 143   const char *keywords[] = {
 144     "down_foo"
 145   };
 146   struct GNUNET_FS_Uri *kuri;
 147
 148   switch (event->status)
 149     {
 150     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 151 #if VERBOSE
 152       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 153               (unsigned long long) event->value.publish.completed,
 154               (unsigned long long) event->value.publish.size,
 155               event->value.publish.specifics.progress.depth,
 156               (unsigned long long) event->value.publish.specifics.progress.offset);
 157 #endif
 158       break;
 159     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 160       kuri = GNUNET_FS_uri_ksk_create_from_args (1, keywords);
 161       start = GNUNET_TIME_absolute_get ();
 162       GNUNET_FS_search_start (fs,
 163                               kuri,
 164                               1,
 165                               GNUNET_FS_SEARCH_OPTION_NONE,
 166                               "search");
 167       GNUNET_FS_uri_destroy (kuri);
 168       GNUNET_assert (search != NULL);
 169       break;
 170     case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 171       if  (event->value.publish.pc == publish)
 172         publish = NULL;
 173       break;
 174     case GNUNET_FS_STATUS_PUBLISH_RESUME:
 175       if (NULL == publish)
 176         publish = event->value.publish.pc;
 177       break;
 178     case GNUNET_FS_STATUS_SEARCH_RESULT:
 179       /* FIXME: consider_restart (event->status); cannot be tested with
 180          search result since we exit here after the first one... */
 181 #if VERBOSE
 182       printf ("Search complete.\n");
 183 #endif
 184       GNUNET_SCHEDULER_add_continuation (sched,
 185                                          &abort_search_task,
 186                                          NULL,
 187                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 188       break;
 189     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 190       fprintf (stderr,
 191                "Error publishing file: %s\n",
 192                event->value.publish.specifics.error.message);
 193       GNUNET_break (0);
 194       GNUNET_SCHEDULER_add_continuation (sched,
 195                                          &abort_publish_task,
 196                                          NULL,
 197                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 198       break;
 199     case GNUNET_FS_STATUS_SEARCH_ERROR:
 200       fprintf (stderr,
 201                "Error searching file: %s\n",
 202                event->value.search.specifics.error.message);
 203       GNUNET_SCHEDULER_add_continuation (sched,
 204                                          &abort_search_task,
 205                                          NULL,
 206                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 207       break;
 208     case GNUNET_FS_STATUS_SEARCH_SUSPEND:
 209       if  (event->value.search.sc == search)
 210         search = NULL;
 211       break;
 212     case GNUNET_FS_STATUS_SEARCH_RESUME:
 213       if (NULL == search)
 214         {
 215           search = event->value.search.sc;
 216           return "search";
 217         }
 218       break;
 219     case GNUNET_FS_STATUS_PUBLISH_START:
 220       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 221       GNUNET_assert (NULL == event->value.publish.pctx);
 222       GNUNET_assert (FILESIZE == event->value.publish.size);
 223       GNUNET_assert (0 == event->value.publish.completed);
 224       GNUNET_assert (1 == event->value.publish.anonymity);
 225       break;
 226     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 227       GNUNET_assert (publish == event->value.publish.pc);
 228       GNUNET_assert (FILESIZE == event->value.publish.size);
 229       GNUNET_assert (1 == event->value.publish.anonymity);
 230       GNUNET_FS_stop (fs);
 231       fs = NULL;
 232       break;
 233     case GNUNET_FS_STATUS_SEARCH_START:
 234       consider_restart (event->status);
 235       GNUNET_assert (search == NULL);
 236       search = event->value.search.sc;
 237       GNUNET_assert (0 == strcmp ("search", event->value.search.cctx));
 238       GNUNET_assert (1 == event->value.search.anonymity);
 239       break;
 240     case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
 241       break;
 242     case GNUNET_FS_STATUS_SEARCH_STOPPED:
 243       GNUNET_assert (search == event->value.search.sc);
 244       GNUNET_SCHEDULER_add_continuation (sched,
 245                                          &abort_publish_task,
 246                                          NULL,
 247                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 248       search = NULL;
 249       break;
 250     default:
 251       fprintf (stderr,
 252                "Unexpected event: %d\n",
 253                event->status);
 254       break;
 255     }
 256   return NULL;
 257 }
 258
 259
 260 static void
 261 setup_peer (struct PeerContext *p, const char *cfgname)
 262 {
 263   p->cfg = GNUNET_CONFIGURATION_create ();
 264 #if START_ARM
 265   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 266                                         "gnunet-service-arm",
 267 #if VERBOSE
 268                                         "-L", "DEBUG",
 269 #endif
 270                                         "-c", cfgname, NULL);
 271 #endif
 272   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 273 }
 274
 275
 276 static void
 277 stop_arm (struct PeerContext *p)
 278 {
 279 #if START_ARM
 280   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 281     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 282   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 283     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 284   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 285               "ARM process %u stopped\n", p->arm_pid);
 286 #endif
 287   GNUNET_CONFIGURATION_destroy (p->cfg);
 288 }
 289
 290
 291 static void
 292 run (void *cls,
 293      struct GNUNET_SCHEDULER_Handle *s,
 294      char *const *args,
 295      const char *cfgfile,
 296      const struct GNUNET_CONFIGURATION_Handle *c)
 297 {
 298   const char *keywords[] = {
 299     "down_foo",
 300     "down_bar"
 301   };
 302   char *buf;
 303   struct GNUNET_CONTAINER_MetaData *meta;
 304   struct GNUNET_FS_Uri *kuri;
 305   struct GNUNET_FS_FileInformation *fi;
 306   size_t i;
 307
 308   sched = s;
 309   cfg = c;
 310   setup_peer (&p1, "test_fs_search_data.conf");
 311   fs = GNUNET_FS_start (sched,
 312                         cfg,
 313                         "test-fs-search-persistence",
 314                         &progress_cb,
 315                         NULL,
 316                         GNUNET_FS_FLAGS_PERSISTENCE,
 317                         GNUNET_FS_OPTIONS_END);
 318   GNUNET_assert (NULL != fs);
 319   buf = GNUNET_malloc (FILESIZE);
 320   for (i = 0; i < FILESIZE; i++)
 321     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 322   meta = GNUNET_CONTAINER_meta_data_create ();
 323   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 324   fi = GNUNET_FS_file_information_create_from_data (fs,
 325                                                     "publish-context",
 326                                                     FILESIZE,
 327                                                     buf,
 328                                                     kuri,
 329                                                     meta,
 330                                                     GNUNET_NO,
 331                                                     1,
 332                                                     42,
 333                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 334   GNUNET_FS_uri_destroy (kuri);
 335   GNUNET_CONTAINER_meta_data_destroy (meta);
 336   GNUNET_assert (NULL != fi);
 337   start = GNUNET_TIME_absolute_get ();
 338   publish = GNUNET_FS_publish_start (fs,
 339                                     fi,
 340                                     NULL, NULL, NULL,
 341                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 342   GNUNET_assert (publish != NULL);
 343 }
 344
 345
 346 int
 347 main (int argc, char *argv[])
 348 {
 349   char *const argvx[] = {
 350     "test-fs-search-persistence",
 351     "-c",
 352     "test_fs_search_data.conf",
 353 #if VERBOSE
 354     "-L", "DEBUG",
 355 #endif
 356     NULL
 357   };
 358   struct GNUNET_GETOPT_CommandLineOption options[] = {
 359     GNUNET_GETOPT_OPTION_END
 360   };
 361
 362   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-search/");
 363   GNUNET_log_setup ("test_fs_search_persistence",
 364 #if VERBOSE
 365                     "DEBUG",
 366 #else
 367                     "WARNING",
 368 #endif
 369                     NULL);
 370   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 371                       argvx, "test-fs-search-persistence",
 372                       "nohelp", options, &run, NULL);
 373   stop_arm (&p1);
 374   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-search/");
 375   return 0;
 376 }
 377
 378 /* end of test_fs_search_persistence.c */