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