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_arm_service.h"
  30 #include "gnunet_fs_service.h"
  31 #include "gnunet_testing_lib-new.h"
  32 #include <gauger.h>
  33
  34 /**
  35  * File-size we use for testing.
  36  */
  37 #define FILESIZE (1024 * 1024 * 2)
  38
  39 /**
  40  * How long until we give up on transmitting the message?
  41  */
  42 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
  43
  44 /**
  45  * How long should our test-content live?
  46  */
  47 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  48
  49
  50 static struct GNUNET_TIME_Absolute start;
  51
  52 static struct GNUNET_FS_Handle *fs;
  53
  54 static struct GNUNET_FS_DownloadContext *download;
  55
  56 static struct GNUNET_FS_PublishContext *publish;
  57
  58 static GNUNET_SCHEDULER_TaskIdentifier timeout_kill;
  59
  60 static char *fn;
  61
  62 static int err;
  63
  64
  65 static void
  66 timeout_kill_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  67 {
  68   if (NULL != download)
  69   {
  70     GNUNET_FS_download_stop (download, GNUNET_YES);
  71     download = NULL;
  72   }
  73   else if (NULL != publish)
  74   {
  75     GNUNET_FS_publish_stop (publish);
  76     publish = NULL;
  77   }
  78   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout downloading file\n");
  79   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  80   err = 1;
  81 }
  82
  83
  84 static void
  85 abort_publish_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  86 {
  87   if (NULL != publish)
  88   {
  89     GNUNET_FS_publish_stop (publish);
  90     publish = NULL;
  91   }
  92 }
  93
  94
  95 static void
  96 stop_fs_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  97 {
  98   GNUNET_FS_stop (fs);
  99   fs = NULL;
 100 }
 101
 102
 103 static void
 104 abort_download_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 105 {
 106   uint64_t size;
 107
 108   if (NULL != download)
 109   {
 110     GNUNET_FS_download_stop (download, GNUNET_YES);
 111     download = NULL;
 112   }
 113   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES, GNUNET_NO));
 114   GNUNET_assert (size == FILESIZE);
 115   GNUNET_DISK_directory_remove (fn);
 116   GNUNET_free (fn);
 117   fn = NULL;
 118   GNUNET_SCHEDULER_cancel (timeout_kill);
 119   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 120 }
 121
 122
 123 static void *
 124 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 125 {
 126
 127   switch (event->status)
 128   {
 129   case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 130     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 131                 "Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 132                 (unsigned long long) event->value.publish.completed,
 133                 (unsigned long long) event->value.publish.size,
 134                 event->value.publish.specifics.progress.depth,
 135                 (unsigned long long) event->value.publish.specifics.
 136                 progress.offset);
 137     break;
 138   case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 139     fprintf (stdout,
 140              "Publishing complete, %llu kb/s.\n",
 141              (unsigned long long) (FILESIZE * 1000LL /
 142                                    (1 +
 143                                     GNUNET_TIME_absolute_get_duration
 144                                     (start).rel_value) / 1024LL));
 145     GAUGER ("FS", "Publishing speed (insertion)",
 146             (unsigned long long) (FILESIZE * 1000LL /
 147                                   (1 +
 148                                    GNUNET_TIME_absolute_get_duration
 149                                    (start).rel_value) / 1024LL), "kb/s");
 150     fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 151     start = GNUNET_TIME_absolute_get ();
 152     download =
 153         GNUNET_FS_download_start (fs,
 154                                   event->value.publish.specifics.
 155                                   completed.chk_uri, NULL, fn, NULL, 0,
 156                                   FILESIZE, 1, GNUNET_FS_DOWNLOAD_OPTION_NONE,
 157                                   "download", NULL);
 158     GNUNET_assert (download != NULL);
 159     break;
 160   case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 161     fprintf (stdout,
 162              "Download complete,  %llu kb/s.\n",
 163              (unsigned long long) (FILESIZE * 1000LL /
 164                                    (1 +
 165                                     GNUNET_TIME_absolute_get_duration
 166                                     (start).rel_value) / 1024LL));
 167     GAUGER ("FS", "Local download speed (inserted)",
 168             (unsigned long long) (FILESIZE * 1000LL /
 169                                   (1 +
 170                                    GNUNET_TIME_absolute_get_duration
 171                                    (start).rel_value) / 1024LL), "kb/s");
 172     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 173     break;
 174   case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 175     GNUNET_assert (download == event->value.download.dc);
 176     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 177                 "Download is progressing (%llu/%llu at level %u off %llu)...\n",
 178                 (unsigned long long) event->value.download.completed,
 179                 (unsigned long long) event->value.download.size,
 180                 event->value.download.specifics.progress.depth,
 181                 (unsigned long long) event->value.download.specifics.
 182                 progress.offset);
 183     break;
 184   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 185     FPRINTF (stderr, "Error publishing file: %s\n",
 186              event->value.publish.specifics.error.message);
 187     GNUNET_break (0);
 188     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 189                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 190     break;
 191   case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 192     FPRINTF (stderr, "Error downloading file: %s\n",
 193              event->value.download.specifics.error.message);
 194     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 195     break;
 196   case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 197   case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 198     break;
 199   case GNUNET_FS_STATUS_PUBLISH_START:
 200     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 201     GNUNET_assert (NULL == event->value.publish.pctx);
 202     GNUNET_assert (FILESIZE == event->value.publish.size);
 203     GNUNET_assert (0 == event->value.publish.completed);
 204     GNUNET_assert (1 == event->value.publish.anonymity);
 205     break;
 206   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 207     GNUNET_assert (publish == event->value.publish.pc);
 208     GNUNET_assert (FILESIZE == event->value.publish.size);
 209     GNUNET_assert (1 == event->value.publish.anonymity);
 210     GNUNET_SCHEDULER_add_now (&stop_fs_task, NULL);
 211     break;
 212   case GNUNET_FS_STATUS_DOWNLOAD_START:
 213     GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 214     GNUNET_assert (NULL == event->value.download.pctx);
 215     GNUNET_assert (NULL != event->value.download.uri);
 216     GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 217     GNUNET_assert (FILESIZE == event->value.download.size);
 218     GNUNET_assert (0 == event->value.download.completed);
 219     GNUNET_assert (1 == event->value.download.anonymity);
 220     break;
 221   case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 222     GNUNET_assert (download == event->value.download.dc);
 223     GNUNET_SCHEDULER_add_continuation (&abort_publish_task, NULL,
 224                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 225     break;
 226   default:
 227     printf ("Unexpected event: %d\n", event->status);
 228     break;
 229   }
 230   return NULL;
 231 }
 232
 233
 234 static void
 235 run (void *cls,
 236      const struct GNUNET_CONFIGURATION_Handle *cfg)
 237 {
 238   const char *keywords[] = {
 239     "down_foo",
 240     "down_bar",
 241   };
 242   char *buf;
 243   struct GNUNET_CONTAINER_MetaData *meta;
 244   struct GNUNET_FS_Uri *kuri;
 245   struct GNUNET_FS_FileInformation *fi;
 246   size_t i;
 247   struct GNUNET_FS_BlockOptions bo;
 248
 249   fs = GNUNET_FS_start (cfg, "test-fs-download", &progress_cb, NULL,
 250                         GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_END);
 251   GNUNET_assert (NULL != fs);
 252   buf = GNUNET_malloc (FILESIZE);
 253   for (i = 0; i < FILESIZE; i++)
 254     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 255   meta = GNUNET_CONTAINER_meta_data_create ();
 256   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 257   bo.content_priority = 42;
 258   bo.anonymity_level = 1;
 259   bo.replication_level = 0;
 260   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 261   fi = GNUNET_FS_file_information_create_from_data (fs, "publish-context",
 262                                                     FILESIZE, buf, kuri, meta,
 263                                                     GNUNET_NO, &bo);
 264   GNUNET_FS_uri_destroy (kuri);
 265   GNUNET_CONTAINER_meta_data_destroy (meta);
 266   GNUNET_assert (NULL != fi);
 267   timeout_kill =
 268       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_kill_task, NULL);
 269   start = GNUNET_TIME_absolute_get ();
 270   publish =
 271       GNUNET_FS_publish_start (fs, fi, NULL, NULL, NULL,
 272                                GNUNET_FS_PUBLISH_OPTION_NONE);
 273   GNUNET_assert (publish != NULL);
 274 }
 275
 276
 277 int
 278 main (int argc, char *argv[])
 279 {
 280   if (0 != GNUNET_TESTING_peer_run ("test-fs-download",
 281                                     "test_fs_download_data.conf",
 282                                     &run, NULL))
 283     return 1;
 284   return err;
 285 }
 286
 287 /* end of test_fs_download.c */