src/fs/test_fs_download_persistence.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 GNUnet e.V.
   4
   5      GNUnet is free software: you can redistribute it and/or modify it
   6      under the terms of the GNU Affero General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your 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      Affero General Public License for more details.
  14
  15      You should have received a copy of the GNU Affero General Public License
  16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 /**
  20  * @file fs/test_fs_download_persistence.c
  21  * @brief simple testcase for persistence of simple download operation
  22  * @author Christian Grothoff
  23  */
  24 #include "platform.h"
  25 #include "gnunet_util_lib.h"
  26 #include "gnunet_testing_lib.h"
  27 #include "gnunet_fs_service.h"
  28
  29 /**
  30  * File-size we use for testing.
  31  */
  32 #define FILESIZE (1024 * 1024 * 2)
  33
  34 /**
  35  * How long until we give up on transmitting the message?
  36  */
  37 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  38
  39 /**
  40  * How long should our test-content live?
  41  */
  42 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  43
  44
  45 static struct GNUNET_TIME_Absolute start;
  46
  47 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  48
  49 static struct GNUNET_FS_Handle *fs;
  50
  51 static struct GNUNET_FS_DownloadContext *download;
  52
  53 static struct GNUNET_FS_PublishContext *publish;
  54
  55 static struct GNUNET_SCHEDULER_Task * timeout_kill;
  56
  57 static char *fn;
  58
  59 static int err;
  60
  61
  62 static void
  63 timeout_kill_task (void *cls)
  64 {
  65   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout downloading file\n");
  66   if (download != NULL)
  67   {
  68     GNUNET_FS_download_stop (download, GNUNET_YES);
  69     download = NULL;
  70   }
  71   else if (publish != NULL)
  72   {
  73     GNUNET_FS_publish_stop (publish);
  74     publish = NULL;
  75   }
  76   timeout_kill = NULL;
  77   err = 1;
  78 }
  79
  80
  81 static void
  82 abort_publish_task (void *cls)
  83 {
  84   if (publish != NULL)
  85   {
  86     GNUNET_FS_publish_stop (publish);
  87     publish = NULL;
  88   }
  89 }
  90
  91
  92 static void
  93 abort_download_task (void *cls)
  94 {
  95   uint64_t size;
  96
  97   if (download != NULL)
  98   {
  99     GNUNET_FS_download_stop (download, GNUNET_YES);
 100     download = NULL;
 101   }
 102   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES, GNUNET_NO));
 103   GNUNET_assert (size == FILESIZE);
 104   GNUNET_DISK_directory_remove (fn);
 105   GNUNET_free (fn);
 106   fn = NULL;
 107   GNUNET_SCHEDULER_cancel (timeout_kill);
 108   timeout_kill = NULL;
 109 }
 110
 111
 112 static void *
 113 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event);
 114
 115
 116 static void
 117 restart_fs_task (void *cls)
 118 {
 119   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Restarting FS.\n");
 120   GNUNET_FS_stop (fs);
 121   fs = GNUNET_FS_start (cfg, "test-fs-download-persistence", &progress_cb, NULL,
 122                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 123 }
 124
 125
 126 /**
 127  * Consider scheduling the restart-task.
 128  * Only runs the restart task once per event
 129  * category.
 130  *
 131  * @param ev type of the event to consider
 132  */
 133 static void
 134 consider_restart (int ev)
 135 {
 136   static int prev[32];
 137   static int off;
 138   int i;
 139
 140   for (i = 0; i < off; i++)
 141     if (prev[i] == ev)
 142       return;
 143   prev[off++] = ev;
 144   GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_URGENT,
 145                                       &restart_fs_task, NULL);
 146 }
 147
 148
 149 static void *
 150 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 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     printf ("Publishing complete, %llu kbps.\n",
 167             (unsigned long long) (FILESIZE * 1000000LL /
 168                                   (1 +
 169                                    GNUNET_TIME_absolute_get_duration
 170                                    (start).rel_value_us) / 1024LL));
 171     fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 172     start = GNUNET_TIME_absolute_get ();
 173     GNUNET_assert (download == NULL);
 174     GNUNET_FS_download_start (fs,
 175                               event->value.publish.specifics.completed.chk_uri,
 176                               NULL, fn, NULL, 0, FILESIZE, 1,
 177                               GNUNET_FS_DOWNLOAD_OPTION_NONE, "download", NULL);
 178     break;
 179   case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 180     printf ("Download complete,  %llu kbps.\n",
 181             (unsigned long long) (FILESIZE * 1000000LL /
 182                                   (1 +
 183                                    GNUNET_TIME_absolute_get_duration
 184                                    (start).rel_value_us) / 1024LL));
 185     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 186     break;
 187   case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 188     consider_restart (event->status);
 189     GNUNET_assert (download == event->value.download.dc);
 190     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 191                 "Download is progressing (%llu/%llu at level %u off %llu)...\n",
 192                 (unsigned long long) event->value.download.completed,
 193                 (unsigned long long) event->value.download.size,
 194                 event->value.download.specifics.progress.depth,
 195                 (unsigned long long) event->value.download.specifics.
 196                 progress.offset);
 197     break;
 198   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 199     FPRINTF (stderr, "Error publishing file: %s\n",
 200              event->value.publish.specifics.error.message);
 201     GNUNET_break (0);
 202     GNUNET_SCHEDULER_add_now (&abort_publish_task, NULL);
 203     break;
 204   case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 205     FPRINTF (stderr, "Error downloading file: %s\n",
 206              event->value.download.specifics.error.message);
 207     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 208     break;
 209   case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 210     GNUNET_assert (event->value.publish.pc == publish);
 211     publish = NULL;
 212     break;
 213   case GNUNET_FS_STATUS_PUBLISH_RESUME:
 214     GNUNET_assert (NULL == publish);
 215     publish = event->value.publish.pc;
 216     break;
 217   case GNUNET_FS_STATUS_DOWNLOAD_SUSPEND:
 218     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download suspended.\n");
 219     GNUNET_assert (event->value.download.dc == download);
 220     download = NULL;
 221     break;
 222   case GNUNET_FS_STATUS_DOWNLOAD_RESUME:
 223     GNUNET_assert (NULL == download);
 224     download = event->value.download.dc;
 225     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download resumed.\n");
 226     break;
 227   case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 228     consider_restart (event->status);
 229     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download active.\n");
 230     break;
 231   case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 232     consider_restart (event->status);
 233     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download inactive.\n");
 234     break;
 235   case GNUNET_FS_STATUS_PUBLISH_START:
 236     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 237     GNUNET_assert (NULL == event->value.publish.pctx);
 238     GNUNET_assert (FILESIZE == event->value.publish.size);
 239     GNUNET_assert (0 == event->value.publish.completed);
 240     GNUNET_assert (1 == event->value.publish.anonymity);
 241     break;
 242   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 243     GNUNET_assert (publish == event->value.publish.pc);
 244     GNUNET_assert (FILESIZE == event->value.publish.size);
 245     GNUNET_assert (1 == event->value.publish.anonymity);
 246     GNUNET_FS_stop (fs);
 247     fs = NULL;
 248     break;
 249   case GNUNET_FS_STATUS_DOWNLOAD_START:
 250     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download started.\n");
 251     consider_restart (event->status);
 252     GNUNET_assert (download == NULL);
 253     download = event->value.download.dc;
 254     GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 255     GNUNET_assert (NULL == event->value.download.pctx);
 256     GNUNET_assert (NULL != event->value.download.uri);
 257     GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 258     GNUNET_assert (FILESIZE == event->value.download.size);
 259     GNUNET_assert (0 == event->value.download.completed);
 260     GNUNET_assert (1 == event->value.download.anonymity);
 261     break;
 262   case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 263     GNUNET_assert (download == event->value.download.dc);
 264     GNUNET_SCHEDULER_add_now (&abort_publish_task, NULL);
 265     download = NULL;
 266     break;
 267   default:
 268     printf ("Unexpected event: %d\n", event->status);
 269     break;
 270   }
 271   return NULL;
 272 }
 273
 274
 275 static void
 276 run (void *cls,
 277      const struct GNUNET_CONFIGURATION_Handle *c,
 278      struct GNUNET_TESTING_Peer *peer)
 279 {
 280   const char *keywords[] = {
 281     "down_foo",
 282     "down_bar",
 283   };
 284   char *buf;
 285   struct GNUNET_CONTAINER_MetaData *meta;
 286   struct GNUNET_FS_Uri *kuri;
 287   struct GNUNET_FS_FileInformation *fi;
 288   size_t i;
 289   struct GNUNET_FS_BlockOptions bo;
 290
 291   cfg = c;
 292   fs = GNUNET_FS_start (cfg, "test-fs-download-persistence", &progress_cb, NULL,
 293                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 294   GNUNET_assert (NULL != fs);
 295   buf = GNUNET_malloc (FILESIZE);
 296   for (i = 0; i < FILESIZE; i++)
 297     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 298   meta = GNUNET_CONTAINER_meta_data_create ();
 299   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 300   bo.content_priority = 42;
 301   bo.anonymity_level = 1;
 302   bo.replication_level = 0;
 303   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 304   fi = GNUNET_FS_file_information_create_from_data (fs, "publish-context",
 305                                                     FILESIZE, buf, kuri, meta,
 306                                                     GNUNET_NO, &bo);
 307   GNUNET_FS_uri_destroy (kuri);
 308   GNUNET_CONTAINER_meta_data_destroy (meta);
 309   GNUNET_assert (NULL != fi);
 310   timeout_kill =
 311       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_kill_task, NULL);
 312   start = GNUNET_TIME_absolute_get ();
 313   publish =
 314       GNUNET_FS_publish_start (fs, fi, NULL, NULL, NULL,
 315                                GNUNET_FS_PUBLISH_OPTION_NONE);
 316   GNUNET_assert (publish != NULL);
 317 }
 318
 319
 320 int
 321 main (int argc, char *argv[])
 322 {
 323   if (0 != GNUNET_TESTING_peer_run ("test-fs-download-persistence",
 324                                     "test_fs_download_data.conf",
 325                                     &run, NULL))
 326     return 1;
 327   return err;
 328 }
 329
 330 /* end of test_fs_download_persistence.c */