src/fs/test_fs_download.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009, 2011 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_download.c
  23  * @brief simple testcase for simple publish + download operation
  24  * @author Christian Grothoff
  25  */
  26
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_fs_service.h"
  30 #include "gnunet_testing_lib-new.h"
  31 #include <gauger.h>
  32
  33 /**
  34  * File-size we use for testing.
  35  */
  36 #define FILESIZE (1024 * 1024 * 2)
  37
  38 /**
  39  * How long until we give up on transmitting the message?
  40  */
  41 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
  42
  43 /**
  44  * How long should our test-content live?
  45  */
  46 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  47
  48
  49 static struct GNUNET_TIME_Absolute start;
  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 GNUNET_SCHEDULER_TaskIdentifier 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   if (NULL != download)
  68   {
  69     GNUNET_FS_download_stop (download, GNUNET_YES);
  70     download = NULL;
  71   }
  72   else if (NULL != publish)
  73   {
  74     GNUNET_FS_publish_stop (publish);
  75     publish = NULL;
  76   }
  77   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout downloading file\n");
  78   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  79   err = 1;
  80 }
  81
  82
  83 static void
  84 abort_publish_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  85 {
  86   if (NULL != publish)
  87   {
  88     GNUNET_FS_publish_stop (publish);
  89     publish = NULL;
  90   }
  91 }
  92
  93
  94 static void
  95 stop_fs_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  96 {
  97   GNUNET_FS_stop (fs);
  98   fs = NULL;
  99 }
 100
 101
 102 static void
 103 abort_download_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 104 {
 105   uint64_t size;
 106
 107   if (NULL != download)
 108   {
 109     GNUNET_FS_download_stop (download, GNUNET_YES);
 110     download = NULL;
 111   }
 112   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES, GNUNET_NO));
 113   GNUNET_assert (size == FILESIZE);
 114   GNUNET_DISK_directory_remove (fn);
 115   GNUNET_free (fn);
 116   fn = NULL;
 117   GNUNET_SCHEDULER_cancel (timeout_kill);
 118   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 119 }
 120
 121
 122 static void *
 123 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 124 {
 125
 126   switch (event->status)
 127   {
 128   case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 129     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 130                 "Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 131                 (unsigned long long) event->value.publish.completed,
 132                 (unsigned long long) event->value.publish.size,
 133                 event->value.publish.specifics.progress.depth,
 134                 (unsigned long long) event->value.publish.specifics.
 135                 progress.offset);
 136     break;
 137   case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 138     fprintf (stdout,
 139              "Publishing complete, %llu kb/s.\n",
 140              (unsigned long long) (FILESIZE * 1000LL /
 141                                    (1 +
 142                                     GNUNET_TIME_absolute_get_duration
 143                                     (start).rel_value) / 1024LL));
 144     GAUGER ("FS", "Publishing speed (insertion)",
 145             (unsigned long long) (FILESIZE * 1000LL /
 146                                   (1 +
 147                                    GNUNET_TIME_absolute_get_duration
 148                                    (start).rel_value) / 1024LL), "kb/s");
 149     fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 150     start = GNUNET_TIME_absolute_get ();
 151     download =
 152         GNUNET_FS_download_start (fs,
 153                                   event->value.publish.specifics.
 154                                   completed.chk_uri, NULL, fn, NULL, 0,
 155                                   FILESIZE, 1, GNUNET_FS_DOWNLOAD_OPTION_NONE,
 156                                   "download", NULL);
 157     GNUNET_assert (download != NULL);
 158     break;
 159   case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 160     fprintf (stdout,
 161              "Download complete,  %llu kb/s.\n",
 162              (unsigned long long) (FILESIZE * 1000LL /
 163                                    (1 +
 164                                     GNUNET_TIME_absolute_get_duration
 165                                     (start).rel_value) / 1024LL));
 166     GAUGER ("FS", "Local download speed (inserted)",
 167             (unsigned long long) (FILESIZE * 1000LL /
 168                                   (1 +
 169                                    GNUNET_TIME_absolute_get_duration
 170                                    (start).rel_value) / 1024LL), "kb/s");
 171     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 172     break;
 173   case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 174     GNUNET_assert (download == event->value.download.dc);
 175     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 176                 "Download is progressing (%llu/%llu at level %u off %llu)...\n",
 177                 (unsigned long long) event->value.download.completed,
 178                 (unsigned long long) event->value.download.size,
 179                 event->value.download.specifics.progress.depth,
 180                 (unsigned long long) event->value.download.specifics.
 181                 progress.offset);
 182     break;
 183   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 184     FPRINTF (stderr, "Error publishing file: %s\n",
 185              event->value.publish.specifics.error.message);
 186     GNUNET_break (0);
 187     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 188                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 189     break;
 190   case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 191     FPRINTF (stderr, "Error downloading file: %s\n",
 192              event->value.download.specifics.error.message);
 193     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 194     break;
 195   case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 196   case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 197     break;
 198   case GNUNET_FS_STATUS_PUBLISH_START:
 199     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 200     GNUNET_assert (NULL == event->value.publish.pctx);
 201     GNUNET_assert (FILESIZE == event->value.publish.size);
 202     GNUNET_assert (0 == event->value.publish.completed);
 203     GNUNET_assert (1 == event->value.publish.anonymity);
 204     break;
 205   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 206     GNUNET_assert (publish == event->value.publish.pc);
 207     GNUNET_assert (FILESIZE == event->value.publish.size);
 208     GNUNET_assert (1 == event->value.publish.anonymity);
 209     GNUNET_SCHEDULER_add_now (&stop_fs_task, NULL);
 210     break;
 211   case GNUNET_FS_STATUS_DOWNLOAD_START:
 212     GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 213     GNUNET_assert (NULL == event->value.download.pctx);
 214     GNUNET_assert (NULL != event->value.download.uri);
 215     GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 216     GNUNET_assert (FILESIZE == event->value.download.size);
 217     GNUNET_assert (0 == event->value.download.completed);
 218     GNUNET_assert (1 == event->value.download.anonymity);
 219     break;
 220   case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 221     GNUNET_assert (download == event->value.download.dc);
 222     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 223                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 224     break;
 225   default:
 226     printf ("Unexpected event: %d\n", event->status);
 227     break;
 228   }
 229   return NULL;
 230 }
 231
 232
 233 static void
 234 run (void *cls,
 235      const struct GNUNET_CONFIGURATION_Handle *cfg)
 236 {
 237   const char *keywords[] = {
 238     "down_foo",
 239     "down_bar",
 240   };
 241   char *buf;
 242   struct GNUNET_CONTAINER_MetaData *meta;
 243   struct GNUNET_FS_Uri *kuri;
 244   struct GNUNET_FS_FileInformation *fi;
 245   size_t i;
 246   struct GNUNET_FS_BlockOptions bo;
 247
 248   fs = GNUNET_FS_start (cfg, "test-fs-download", &progress_cb, NULL,
 249                         GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_END);
 250   GNUNET_assert (NULL != fs);
 251   buf = GNUNET_malloc (FILESIZE);
 252   for (i = 0; i < FILESIZE; i++)
 253     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 254   meta = GNUNET_CONTAINER_meta_data_create ();
 255   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 256   bo.content_priority = 42;
 257   bo.anonymity_level = 1;
 258   bo.replication_level = 0;
 259   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 260   fi = GNUNET_FS_file_information_create_from_data (fs, "publish-context",
 261                                                     FILESIZE, buf, kuri, meta,
 262                                                     GNUNET_NO, &bo);
 263   GNUNET_FS_uri_destroy (kuri);
 264   GNUNET_CONTAINER_meta_data_destroy (meta);
 265   GNUNET_assert (NULL != fi);
 266   timeout_kill =
 267       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_kill_task, NULL);
 268   start = GNUNET_TIME_absolute_get ();
 269   publish =
 270       GNUNET_FS_publish_start (fs, fi, NULL, NULL, NULL,
 271                                GNUNET_FS_PUBLISH_OPTION_NONE);
 272   GNUNET_assert (publish != NULL);
 273 }
 274
 275
 276 int
 277 main (int argc, char *argv[])
 278 {
 279   if (0 != GNUNET_TESTING_peer_run ("test-fs-download",
 280                                     "test_fs_download_data.conf",
 281                                     &run, NULL))
 282     return 1;
 283   return err;
 284 }
 285
 286 /* end of test_fs_download.c */