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  * @file fs/test_fs_search_persistence.c
  22  * @brief simple testcase for persistence of search operation
  23  * @author Christian Grothoff
  24  */
  25 #include "platform.h"
  26 #include "gnunet_util_lib.h"
  27 #include "gnunet_testing_lib.h"
  28 #include "gnunet_fs_service.h"
  29
  30
  31 /**
  32  * File-size we use for testing.
  33  */
  34 #define FILESIZE 1024
  35
  36 /**
  37  * How long until we give up on transmitting the message?
  38  */
  39 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  40
  41 /**
  42  * How long should our test-content live?
  43  */
  44 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  45
  46
  47 static struct GNUNET_TIME_Absolute start;
  48
  49 static struct GNUNET_FS_Handle *fs;
  50
  51 static struct GNUNET_FS_SearchContext *search;
  52
  53 static struct GNUNET_FS_PublishContext *publish;
  54
  55 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  56
  57 static GNUNET_SCHEDULER_TaskIdentifier timeout_task;
  58
  59 static int err;
  60
  61
  62 static void
  63 abort_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  64 {
  65   fprintf (stderr,
  66            "Timeout\n");
  67   if (NULL != publish)
  68   {
  69     GNUNET_FS_publish_stop (publish);
  70     publish = NULL;
  71   }
  72   if (NULL != search)
  73   {
  74     GNUNET_FS_search_stop (search);
  75     search = NULL;
  76   }
  77   err = 1;
  78 }
  79
  80 static void
  81 abort_publish_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  82 {
  83   GNUNET_FS_publish_stop (publish);
  84   publish = NULL;
  85 }
  86
  87
  88 static void
  89 abort_search_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  90 {
  91   if (search != NULL)
  92     GNUNET_FS_search_stop (search);
  93   search = NULL;
  94 }
  95
  96
  97 static void *
  98 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event);
  99
 100
 101 static void
 102 restart_fs_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 103 {
 104   GNUNET_FS_stop (fs);
 105   fs = GNUNET_FS_start (cfg, "test-fs-search-persistence", &progress_cb, NULL,
 106                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 107 }
 108
 109
 110 /**
 111  * Consider scheduling the restart-task.
 112  * Only runs the restart task once per event
 113  * category.
 114  *
 115  * @param ev type of the event to consider
 116  */
 117 static void
 118 consider_restart (int ev)
 119 {
 120   static int prev[32];
 121   static int off;
 122   int i;
 123
 124   for (i = 0; i < off; i++)
 125     if (prev[i] == ev)
 126       return;
 127   prev[off++] = ev;
 128   GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_URGENT,
 129                                       &restart_fs_task, NULL);
 130 }
 131
 132
 133 static void *
 134 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 135 {
 136   const char *keywords[] = {
 137     "down_foo"
 138   };
 139   struct GNUNET_FS_Uri *kuri;
 140
 141   switch (event->status)
 142   {
 143   case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 144     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 145                 "Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 146                 (unsigned long long) event->value.publish.completed,
 147                 (unsigned long long) event->value.publish.size,
 148                 event->value.publish.specifics.progress.depth,
 149                 (unsigned long long) event->value.publish.specifics.
 150                 progress.offset);
 151     break;
 152   case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 153     kuri = GNUNET_FS_uri_ksk_create_from_args (1, keywords);
 154     start = GNUNET_TIME_absolute_get ();
 155     GNUNET_FS_search_start (fs, kuri, 1, GNUNET_FS_SEARCH_OPTION_NONE,
 156                             "search");
 157     GNUNET_FS_uri_destroy (kuri);
 158     GNUNET_assert (search != NULL);
 159     break;
 160   case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 161     if (event->value.publish.pc == publish)
 162       publish = NULL;
 163     break;
 164   case GNUNET_FS_STATUS_PUBLISH_RESUME:
 165     if (NULL == publish)
 166       publish = event->value.publish.pc;
 167     break;
 168   case GNUNET_FS_STATUS_SEARCH_RESULT:
 169     /* FIXME: consider_restart (event->status); cannot be tested with
 170      * search result since we exit here after the first one... */
 171     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 172                 "Search complete.\n");
 173     GNUNET_SCHEDULER_add_continuation (&abort_search_task, NULL,
 174                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 175     break;
 176   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 177     FPRINTF (stderr, "Error publishing file: %s\n",
 178              event->value.publish.specifics.error.message);
 179     GNUNET_break (0);
 180     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 181                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 182     break;
 183   case GNUNET_FS_STATUS_SEARCH_ERROR:
 184     FPRINTF (stderr, "Error searching file: %s\n",
 185              event->value.search.specifics.error.message);
 186     GNUNET_SCHEDULER_add_continuation (&abort_search_task, NULL,
 187                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 188     break;
 189   case GNUNET_FS_STATUS_SEARCH_SUSPEND:
 190     if (event->value.search.sc == search)
 191       search = NULL;
 192     break;
 193   case GNUNET_FS_STATUS_SEARCH_RESUME:
 194     if (NULL == search)
 195     {
 196       search = event->value.search.sc;
 197       return "search";
 198     }
 199     break;
 200   case GNUNET_FS_STATUS_PUBLISH_START:
 201     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 202     GNUNET_assert (NULL == event->value.publish.pctx);
 203     GNUNET_assert (FILESIZE == event->value.publish.size);
 204     GNUNET_assert (0 == event->value.publish.completed);
 205     GNUNET_assert (1 == event->value.publish.anonymity);
 206     break;
 207   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 208     GNUNET_assert (publish == event->value.publish.pc);
 209     GNUNET_assert (FILESIZE == event->value.publish.size);
 210     GNUNET_assert (1 == event->value.publish.anonymity);
 211     GNUNET_FS_stop (fs);
 212     fs = NULL;
 213     break;
 214   case GNUNET_FS_STATUS_SEARCH_START:
 215     consider_restart (event->status);
 216     GNUNET_assert (search == NULL);
 217     search = event->value.search.sc;
 218     GNUNET_assert (0 == strcmp ("search", event->value.search.cctx));
 219     GNUNET_assert (1 == event->value.search.anonymity);
 220     break;
 221   case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
 222     break;
 223   case GNUNET_FS_STATUS_SEARCH_STOPPED:
 224     GNUNET_assert (search == event->value.search.sc);
 225     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 226                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 227     search = NULL;
 228     break;
 229   default:
 230     FPRINTF (stderr, "Unexpected event: %d\n", event->status);
 231     break;
 232   }
 233   return NULL;
 234 }
 235
 236
 237 static void
 238 run (void *cls,
 239      const struct GNUNET_CONFIGURATION_Handle *c,
 240      struct GNUNET_TESTING_Peer *peer)
 241 {
 242   const char *keywords[] = {
 243     "down_foo",
 244     "down_bar"
 245   };
 246   char *buf;
 247   struct GNUNET_CONTAINER_MetaData *meta;
 248   struct GNUNET_FS_Uri *kuri;
 249   struct GNUNET_FS_FileInformation *fi;
 250   size_t i;
 251   struct GNUNET_FS_BlockOptions bo;
 252
 253   cfg = c;
 254   fs = GNUNET_FS_start (cfg, "test-fs-search-persistence", &progress_cb, NULL,
 255                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 256   GNUNET_assert (NULL != fs);
 257   buf = GNUNET_malloc (FILESIZE);
 258   for (i = 0; i < FILESIZE; i++)
 259     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 260   meta = GNUNET_CONTAINER_meta_data_create ();
 261   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 262   bo.content_priority = 42;
 263   bo.anonymity_level = 1;
 264   bo.replication_level = 0;
 265   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 266   fi = GNUNET_FS_file_information_create_from_data (fs, "publish-context",
 267                                                     FILESIZE, buf, kuri, meta,
 268                                                     GNUNET_NO, &bo);
 269   GNUNET_FS_uri_destroy (kuri);
 270   GNUNET_CONTAINER_meta_data_destroy (meta);
 271   GNUNET_assert (NULL != fi);
 272   start = GNUNET_TIME_absolute_get ();
 273   publish =
 274       GNUNET_FS_publish_start (fs, fi, NULL, NULL, NULL,
 275                                GNUNET_FS_PUBLISH_OPTION_NONE);
 276   GNUNET_assert (publish != NULL);
 277   timeout_task = GNUNET_SCHEDULER_add_delayed (LIFETIME,
 278                                                &abort_error, NULL);
 279 }
 280
 281
 282 int
 283 main (int argc, char *argv[])
 284 {
 285   if (0 != GNUNET_TESTING_peer_run ("test-fs-search-persistence",
 286                                     "test_fs_search_data.conf",
 287                                     &run, NULL))
 288     return 1;
 289   return err;
 290 }
 291
 292 /* end of test_fs_search_persistence.c */