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   timeout_task = GNUNET_SCHEDULER_NO_TASK;
  66   fprintf (stderr,
  67            "Timeout\n");
  68   if (NULL != search)
  69   {
  70     GNUNET_FS_search_stop (search);
  71     search = NULL;
  72   }
  73   if (NULL != publish)
  74   {
  75     GNUNET_FS_publish_stop (publish);
  76     publish = NULL;
  77   }
  78   err = 1;
  79 }
  80
  81 static void
  82 abort_publish_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  83 {
  84   if (NULL != publish)
  85   {
  86     GNUNET_FS_publish_stop (publish);
  87     publish = NULL;
  88   }
  89   if (GNUNET_SCHEDULER_NO_TASK != timeout_task)
  90   {
  91     GNUNET_SCHEDULER_cancel (timeout_task);
  92     timeout_task = GNUNET_SCHEDULER_NO_TASK;
  93   }
  94 }
  95
  96
  97 static void
  98 abort_search_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  99 {
 100   if (NULL != search)
 101   {
 102     GNUNET_FS_search_stop (search);
 103     search = NULL;
 104   }
 105 }
 106
 107
 108 static void *
 109 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event);
 110
 111
 112 static void
 113 restart_fs_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 114 {
 115   GNUNET_FS_stop (fs);
 116   fs = GNUNET_FS_start (cfg, "test-fs-search-persistence", &progress_cb, NULL,
 117                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 118 }
 119
 120
 121 /**
 122  * Consider scheduling the restart-task.
 123  * Only runs the restart task once per event
 124  * category.
 125  *
 126  * @param ev type of the event to consider
 127  */
 128 static void
 129 consider_restart (int ev)
 130 {
 131   static int prev[32];
 132   static int off;
 133   int i;
 134
 135   for (i = 0; i < off; i++)
 136     if (prev[i] == ev)
 137       return;
 138   prev[off++] = ev;
 139   GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_URGENT,
 140                                       &restart_fs_task, NULL);
 141 }
 142
 143
 144 static void *
 145 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 146 {
 147   const char *keywords[] = {
 148     "down_foo"
 149   };
 150   struct GNUNET_FS_Uri *kuri;
 151
 152   switch (event->status)
 153   {
 154   case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 155     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 156                 "Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 157                 (unsigned long long) event->value.publish.completed,
 158                 (unsigned long long) event->value.publish.size,
 159                 event->value.publish.specifics.progress.depth,
 160                 (unsigned long long) event->value.publish.specifics.
 161                 progress.offset);
 162     break;
 163   case GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY:
 164     break;
 165   case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 166     kuri = GNUNET_FS_uri_ksk_create_from_args (1, keywords);
 167     start = GNUNET_TIME_absolute_get ();
 168     GNUNET_FS_search_start (fs, kuri, 1, GNUNET_FS_SEARCH_OPTION_NONE,
 169                             "search");
 170     GNUNET_FS_uri_destroy (kuri);
 171     GNUNET_assert (search != NULL);
 172     break;
 173   case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 174     if (event->value.publish.pc == publish)
 175       publish = NULL;
 176     break;
 177   case GNUNET_FS_STATUS_PUBLISH_RESUME:
 178     if (NULL == publish)
 179       publish = event->value.publish.pc;
 180     break;
 181   case GNUNET_FS_STATUS_SEARCH_RESULT:
 182     /* FIXME: consider_restart (event->status); cannot be tested with
 183      * search result since we exit here after the first one... */
 184     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 185                 "Search complete.\n");
 186     GNUNET_SCHEDULER_add_continuation (&abort_search_task, NULL,
 187                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 188     break;
 189   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 190     FPRINTF (stderr, "Error publishing file: %s\n",
 191              event->value.publish.specifics.error.message);
 192     GNUNET_break (0);
 193     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 194                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 195     break;
 196   case GNUNET_FS_STATUS_SEARCH_ERROR:
 197     FPRINTF (stderr, "Error searching file: %s\n",
 198              event->value.search.specifics.error.message);
 199     GNUNET_SCHEDULER_add_continuation (&abort_search_task, NULL,
 200                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 201     break;
 202   case GNUNET_FS_STATUS_SEARCH_SUSPEND:
 203     if (event->value.search.sc == search)
 204       search = NULL;
 205     break;
 206   case GNUNET_FS_STATUS_SEARCH_RESUME:
 207     if (NULL == search)
 208     {
 209       search = event->value.search.sc;
 210       return "search";
 211     }
 212     break;
 213   case GNUNET_FS_STATUS_PUBLISH_START:
 214     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 215     GNUNET_assert (NULL == event->value.publish.pctx);
 216     GNUNET_assert (FILESIZE == event->value.publish.size);
 217     GNUNET_assert (0 == event->value.publish.completed);
 218     GNUNET_assert (1 == event->value.publish.anonymity);
 219     break;
 220   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 221     GNUNET_assert (publish == event->value.publish.pc);
 222     GNUNET_assert (FILESIZE == event->value.publish.size);
 223     GNUNET_assert (1 == event->value.publish.anonymity);
 224     GNUNET_FS_stop (fs);
 225     fs = NULL;
 226     break;
 227   case GNUNET_FS_STATUS_SEARCH_START:
 228     consider_restart (event->status);
 229     GNUNET_assert (search == NULL);
 230     search = event->value.search.sc;
 231     GNUNET_assert (0 == strcmp ("search", event->value.search.cctx));
 232     GNUNET_assert (1 == event->value.search.anonymity);
 233     break;
 234   case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
 235     break;
 236   case GNUNET_FS_STATUS_SEARCH_STOPPED:
 237     GNUNET_assert (search == event->value.search.sc);
 238     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 239                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 240     search = NULL;
 241     break;
 242   default:
 243     FPRINTF (stderr, "Unexpected event: %d\n", event->status);
 244     break;
 245   }
 246   return NULL;
 247 }
 248
 249
 250 static void
 251 run (void *cls,
 252      const struct GNUNET_CONFIGURATION_Handle *c,
 253      struct GNUNET_TESTING_Peer *peer)
 254 {
 255   const char *keywords[] = {
 256     "down_foo",
 257     "down_bar"
 258   };
 259   char *buf;
 260   struct GNUNET_CONTAINER_MetaData *meta;
 261   struct GNUNET_FS_Uri *kuri;
 262   struct GNUNET_FS_FileInformation *fi;
 263   size_t i;
 264   struct GNUNET_FS_BlockOptions bo;
 265
 266   cfg = c;
 267   fs = GNUNET_FS_start (cfg, "test-fs-search-persistence", &progress_cb, NULL,
 268                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 269   GNUNET_assert (NULL != fs);
 270   buf = GNUNET_malloc (FILESIZE);
 271   for (i = 0; i < FILESIZE; i++)
 272     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 273   meta = GNUNET_CONTAINER_meta_data_create ();
 274   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 275   bo.content_priority = 42;
 276   bo.anonymity_level = 1;
 277   bo.replication_level = 0;
 278   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 279   fi = GNUNET_FS_file_information_create_from_data (fs, "publish-context",
 280                                                     FILESIZE, buf, kuri, meta,
 281                                                     GNUNET_NO, &bo);
 282   GNUNET_FS_uri_destroy (kuri);
 283   GNUNET_CONTAINER_meta_data_destroy (meta);
 284   GNUNET_assert (NULL != fi);
 285   start = GNUNET_TIME_absolute_get ();
 286   publish =
 287       GNUNET_FS_publish_start (fs, fi, NULL, NULL, NULL,
 288                                GNUNET_FS_PUBLISH_OPTION_NONE);
 289   GNUNET_assert (publish != NULL);
 290   timeout_task = GNUNET_SCHEDULER_add_delayed (LIFETIME,
 291                                                &abort_error, NULL);
 292 }
 293
 294
 295 int
 296 main (int argc, char *argv[])
 297 {
 298   if (0 != GNUNET_TESTING_peer_run ("test-fs-search-persistence",
 299                                     "test_fs_search_data.conf",
 300                                     &run, NULL))
 301     return 1;
 302   return err;
 303 }
 304
 305 /* end of test_fs_search_persistence.c */