src/fs/test_fs_download_persistence.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (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., 51 Franklin Street, Fifth Floor,
  18      Boston, MA 02110-1301, USA.
  19 */
  20
  21 /**
  22  * @file fs/test_fs_download_persistence.c
  23  * @brief simple testcase for persistence of simple download operation
  24  * @author Christian Grothoff
  25  */
  26 #include "platform.h"
  27 #include "gnunet_util_lib.h"
  28 #include "gnunet_testing_lib.h"
  29 #include "gnunet_fs_service.h"
  30
  31 /**
  32  * File-size we use for testing.
  33  */
  34 #define FILESIZE (1024 * 1024 * 2)
  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 const struct GNUNET_CONFIGURATION_Handle *cfg;
  50
  51 static struct GNUNET_FS_Handle *fs;
  52
  53 static struct GNUNET_FS_DownloadContext *download;
  54
  55 static struct GNUNET_FS_PublishContext *publish;
  56
  57 static struct GNUNET_SCHEDULER_Task * timeout_kill;
  58
  59 static char *fn;
  60
  61 static int err;
  62
  63
  64 static void
  65 timeout_kill_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  66 {
  67   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout downloading file\n");
  68   if (download != NULL)
  69   {
  70     GNUNET_FS_download_stop (download, GNUNET_YES);
  71     download = NULL;
  72   }
  73   else if (publish != NULL)
  74   {
  75     GNUNET_FS_publish_stop (publish);
  76     publish = NULL;
  77   }
  78   timeout_kill = NULL;
  79   err = 1;
  80 }
  81
  82
  83 static void
  84 abort_publish_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  85 {
  86   if (publish != NULL)
  87   {
  88     GNUNET_FS_publish_stop (publish);
  89     publish = NULL;
  90   }
  91 }
  92
  93
  94 static void
  95 abort_download_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  96 {
  97   uint64_t size;
  98
  99   if (download != NULL)
 100   {
 101     GNUNET_FS_download_stop (download, GNUNET_YES);
 102     download = NULL;
 103   }
 104   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES, GNUNET_NO));
 105   GNUNET_assert (size == FILESIZE);
 106   GNUNET_DISK_directory_remove (fn);
 107   GNUNET_free (fn);
 108   fn = NULL;
 109   GNUNET_SCHEDULER_cancel (timeout_kill);
 110   timeout_kill = NULL;
 111 }
 112
 113
 114 static void *
 115 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event);
 116
 117
 118 static void
 119 restart_fs_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 120 {
 121   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Restarting FS.\n");
 122   GNUNET_FS_stop (fs);
 123   fs = GNUNET_FS_start (cfg, "test-fs-download-persistence", &progress_cb, NULL,
 124                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 125 }
 126
 127
 128 /**
 129  * Consider scheduling the restart-task.
 130  * Only runs the restart task once per event
 131  * category.
 132  *
 133  * @param ev type of the event to consider
 134  */
 135 static void
 136 consider_restart (int ev)
 137 {
 138   static int prev[32];
 139   static int off;
 140   int i;
 141
 142   for (i = 0; i < off; i++)
 143     if (prev[i] == ev)
 144       return;
 145   prev[off++] = ev;
 146   GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_URGENT,
 147                                       &restart_fs_task, NULL);
 148 }
 149
 150
 151 static void *
 152 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 153 {
 154   switch (event->status)
 155   {
 156   case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 157     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 158                 "Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 159                 (unsigned long long) event->value.publish.completed,
 160                 (unsigned long long) event->value.publish.size,
 161                 event->value.publish.specifics.progress.depth,
 162                 (unsigned long long) event->value.publish.specifics.
 163                 progress.offset);
 164     break;
 165   case GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY:
 166     break;
 167   case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 168     printf ("Publishing complete, %llu kbps.\n",
 169             (unsigned long long) (FILESIZE * 1000000LL /
 170                                   (1 +
 171                                    GNUNET_TIME_absolute_get_duration
 172                                    (start).rel_value_us) / 1024LL));
 173     fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 174     start = GNUNET_TIME_absolute_get ();
 175     GNUNET_assert (download == NULL);
 176     GNUNET_FS_download_start (fs,
 177                               event->value.publish.specifics.completed.chk_uri,
 178                               NULL, fn, NULL, 0, FILESIZE, 1,
 179                               GNUNET_FS_DOWNLOAD_OPTION_NONE, "download", NULL);
 180     break;
 181   case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 182     consider_restart (event->status);
 183     printf ("Download complete,  %llu kbps.\n",
 184             (unsigned long long) (FILESIZE * 1000000LL /
 185                                   (1 +
 186                                    GNUNET_TIME_absolute_get_duration
 187                                    (start).rel_value_us) / 1024LL));
 188     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 189     break;
 190   case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 191     consider_restart (event->status);
 192     GNUNET_assert (download == event->value.download.dc);
 193     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 194                 "Download is progressing (%llu/%llu at level %u off %llu)...\n",
 195                 (unsigned long long) event->value.download.completed,
 196                 (unsigned long long) event->value.download.size,
 197                 event->value.download.specifics.progress.depth,
 198                 (unsigned long long) event->value.download.specifics.
 199                 progress.offset);
 200     break;
 201   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 202     FPRINTF (stderr, "Error publishing file: %s\n",
 203              event->value.publish.specifics.error.message);
 204     GNUNET_break (0);
 205     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 206                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 207     break;
 208   case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 209     FPRINTF (stderr, "Error downloading file: %s\n",
 210              event->value.download.specifics.error.message);
 211     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 212     break;
 213   case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 214     GNUNET_assert (event->value.publish.pc == publish);
 215     publish = NULL;
 216     break;
 217   case GNUNET_FS_STATUS_PUBLISH_RESUME:
 218     GNUNET_assert (NULL == publish);
 219     publish = event->value.publish.pc;
 220     break;
 221   case GNUNET_FS_STATUS_DOWNLOAD_SUSPEND:
 222     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download suspended.\n");
 223     GNUNET_assert (event->value.download.dc == download);
 224     download = NULL;
 225     break;
 226   case GNUNET_FS_STATUS_DOWNLOAD_RESUME:
 227     GNUNET_assert (NULL == download);
 228     download = event->value.download.dc;
 229     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download resumed.\n");
 230     break;
 231   case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 232     consider_restart (event->status);
 233     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download active.\n");
 234     break;
 235   case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 236     consider_restart (event->status);
 237     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download inactive.\n");
 238     break;
 239   case GNUNET_FS_STATUS_PUBLISH_START:
 240     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 241     GNUNET_assert (NULL == event->value.publish.pctx);
 242     GNUNET_assert (FILESIZE == event->value.publish.size);
 243     GNUNET_assert (0 == event->value.publish.completed);
 244     GNUNET_assert (1 == event->value.publish.anonymity);
 245     break;
 246   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 247     GNUNET_assert (publish == event->value.publish.pc);
 248     GNUNET_assert (FILESIZE == event->value.publish.size);
 249     GNUNET_assert (1 == event->value.publish.anonymity);
 250     GNUNET_FS_stop (fs);
 251     fs = NULL;
 252     break;
 253   case GNUNET_FS_STATUS_DOWNLOAD_START:
 254     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Download started.\n");
 255     consider_restart (event->status);
 256     GNUNET_assert (download == NULL);
 257     download = event->value.download.dc;
 258     GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 259     GNUNET_assert (NULL == event->value.download.pctx);
 260     GNUNET_assert (NULL != event->value.download.uri);
 261     GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 262     GNUNET_assert (FILESIZE == event->value.download.size);
 263     GNUNET_assert (0 == event->value.download.completed);
 264     GNUNET_assert (1 == event->value.download.anonymity);
 265     break;
 266   case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 267     GNUNET_assert (download == event->value.download.dc);
 268     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 269                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 270     download = NULL;
 271     break;
 272   default:
 273     printf ("Unexpected event: %d\n", event->status);
 274     break;
 275   }
 276   return NULL;
 277 }
 278
 279
 280 static void
 281 run (void *cls,
 282      const struct GNUNET_CONFIGURATION_Handle *c,
 283      struct GNUNET_TESTING_Peer *peer)
 284 {
 285   const char *keywords[] = {
 286     "down_foo",
 287     "down_bar",
 288   };
 289   char *buf;
 290   struct GNUNET_CONTAINER_MetaData *meta;
 291   struct GNUNET_FS_Uri *kuri;
 292   struct GNUNET_FS_FileInformation *fi;
 293   size_t i;
 294   struct GNUNET_FS_BlockOptions bo;
 295
 296   cfg = c;
 297   fs = GNUNET_FS_start (cfg, "test-fs-download-persistence", &progress_cb, NULL,
 298                         GNUNET_FS_FLAGS_PERSISTENCE, GNUNET_FS_OPTIONS_END);
 299   GNUNET_assert (NULL != fs);
 300   buf = GNUNET_malloc (FILESIZE);
 301   for (i = 0; i < FILESIZE; i++)
 302     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 303   meta = GNUNET_CONTAINER_meta_data_create ();
 304   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 305   bo.content_priority = 42;
 306   bo.anonymity_level = 1;
 307   bo.replication_level = 0;
 308   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 309   fi = GNUNET_FS_file_information_create_from_data (fs, "publish-context",
 310                                                     FILESIZE, buf, kuri, meta,
 311                                                     GNUNET_NO, &bo);
 312   GNUNET_FS_uri_destroy (kuri);
 313   GNUNET_CONTAINER_meta_data_destroy (meta);
 314   GNUNET_assert (NULL != fi);
 315   timeout_kill =
 316       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_kill_task, NULL);
 317   start = GNUNET_TIME_absolute_get ();
 318   publish =
 319       GNUNET_FS_publish_start (fs, fi, NULL, NULL, NULL,
 320                                GNUNET_FS_PUBLISH_OPTION_NONE);
 321   GNUNET_assert (publish != NULL);
 322 }
 323
 324
 325 int
 326 main (int argc, char *argv[])
 327 {
 328   if (0 != GNUNET_TESTING_peer_run ("test-fs-download-persistence",
 329                                     "test_fs_download_data.conf",
 330                                     &run, NULL))
 331     return 1;
 332   return err;
 333 }
 334
 335 /* end of test_fs_download_persistence.c */