src/fs/test_fs_download.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009 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 2, 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
  32 #define VERBOSE GNUNET_NO
  33
  34 #define START_ARM GNUNET_YES
  35
  36 /**
  37  * File-size we use for testing.
  38  */
  39 #define FILESIZE (1024 * 1024 * 2)
  40
  41 /**
  42  * How long until we give up on transmitting the message?
  43  */
  44 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
  45
  46 /**
  47  * How long should our test-content live?
  48  */
  49 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  50
  51 struct PeerContext
  52 {
  53   struct GNUNET_CONFIGURATION_Handle *cfg;
  54 #if START_ARM
  55   pid_t arm_pid;
  56 #endif
  57 };
  58
  59 static struct PeerContext p1;
  60
  61 static struct GNUNET_TIME_Absolute start;
  62
  63 static struct GNUNET_SCHEDULER_Handle *sched;
  64
  65 static struct GNUNET_FS_Handle *fs;
  66
  67 static struct GNUNET_FS_DownloadContext *download;
  68
  69 static struct GNUNET_FS_PublishContext *publish;
  70
  71 static char *fn;
  72
  73
  74 static void
  75 abort_publish_task (void *cls,
  76                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  77 {
  78   GNUNET_FS_publish_stop (publish);
  79   publish = NULL;
  80 }
  81
  82
  83 static void
  84 abort_download_task (void *cls,
  85                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  86 {
  87   uint64_t size;
  88
  89   GNUNET_FS_download_stop (download, GNUNET_YES);
  90   download = NULL;
  91   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
  92   GNUNET_assert (size == FILESIZE);
  93   GNUNET_DISK_directory_remove (fn);
  94   GNUNET_free (fn);
  95   fn = NULL;
  96 }
  97
  98
  99 static void *
 100 progress_cb (void *cls,
 101              const struct GNUNET_FS_ProgressInfo *event)
 102 {
 103
 104   switch (event->status)
 105     {
 106     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 107 #if VERBOSE
 108       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 109               (unsigned long long) event->value.publish.completed,
 110               (unsigned long long) event->value.publish.size,
 111               event->value.publish.specifics.progress.depth,
 112               (unsigned long long) event->value.publish.specifics.progress.offset);
 113 #endif
 114       break;
 115     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 116       printf ("Publishing complete, %llu kbps.\n",
 117               (unsigned long long) (FILESIZE * 1000 / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024));
 118       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 119       start = GNUNET_TIME_absolute_get ();
 120       download = GNUNET_FS_download_start (fs,
 121                                            event->value.publish.specifics.completed.chk_uri,
 122                                            NULL,
 123                                            fn,
 124                                            0,
 125                                            FILESIZE,
 126                                            1,
 127                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 128                                            "download",
 129                                            NULL);
 130       GNUNET_assert (download != NULL);
 131       break;
 132     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 133       printf ("Download complete,  %llu kbps.\n",
 134               (unsigned long long) (FILESIZE * 1000 / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024));
 135       GNUNET_SCHEDULER_add_continuation (sched,
 136                                          GNUNET_NO,
 137                                          &abort_download_task,
 138                                          NULL,
 139                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 140       break;
 141     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 142       GNUNET_assert (download == event->value.download.dc);
 143 #if VERBOSE
 144       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 145               (unsigned long long) event->value.download.completed,
 146               (unsigned long long) event->value.download.size,
 147               event->value.download.specifics.progress.depth,
 148               (unsigned long long) event->value.download.specifics.progress.offset);
 149 #endif
 150       break;
 151     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 152       fprintf (stderr,
 153                "Error publishing file: %s\n",
 154                event->value.publish.specifics.error.message);
 155       GNUNET_break (0);
 156       GNUNET_SCHEDULER_add_continuation (sched,
 157                                          GNUNET_NO,
 158                                          &abort_publish_task,
 159                                          NULL,
 160                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 161       break;
 162     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 163       fprintf (stderr,
 164                "Error downloading file: %s\n",
 165                event->value.download.specifics.error.message);
 166       GNUNET_SCHEDULER_add_continuation (sched,
 167                                          GNUNET_NO,
 168                                          &abort_download_task,
 169                                          NULL,
 170                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 171       break;
 172     case GNUNET_FS_STATUS_PUBLISH_START:
 173       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 174       GNUNET_assert (NULL == event->value.publish.pctx);
 175       GNUNET_assert (FILESIZE == event->value.publish.size);
 176       GNUNET_assert (0 == event->value.publish.completed);
 177       GNUNET_assert (1 == event->value.publish.anonymity);
 178       break;
 179     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 180       GNUNET_assert (publish == event->value.publish.sc);
 181       GNUNET_assert (FILESIZE == event->value.publish.size);
 182       GNUNET_assert (1 == event->value.publish.anonymity);
 183       GNUNET_FS_stop (fs);
 184       fs = NULL;
 185       break;
 186     case GNUNET_FS_STATUS_DOWNLOAD_START:
 187       GNUNET_assert (download == NULL);
 188       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 189       GNUNET_assert (NULL == event->value.download.pctx);
 190       GNUNET_assert (NULL != event->value.download.uri);
 191       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 192       GNUNET_assert (FILESIZE == event->value.download.size);
 193       GNUNET_assert (0 == event->value.download.completed);
 194       GNUNET_assert (1 == event->value.download.anonymity);
 195       break;
 196     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 197       GNUNET_assert (download == event->value.download.dc);
 198       GNUNET_SCHEDULER_add_continuation (sched,
 199                                          GNUNET_NO,
 200                                          &abort_publish_task,
 201                                          NULL,
 202                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 203       break;
 204     default:
 205       printf ("Unexpected event: %d\n",
 206               event->status);
 207       break;
 208     }
 209   return NULL;
 210 }
 211
 212
 213 static void
 214 setup_peer (struct PeerContext *p, const char *cfgname)
 215 {
 216   p->cfg = GNUNET_CONFIGURATION_create ();
 217 #if START_ARM
 218   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 219                                         "gnunet-service-arm",
 220 #if VERBOSE
 221                                         "-L", "DEBUG",
 222 #endif
 223                                         "-c", cfgname, NULL);
 224   sleep (1);                    /* allow ARM to start */
 225 #endif
 226   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 227   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 228 }
 229
 230
 231 static void
 232 stop_arm (struct PeerContext *p)
 233 {
 234 #if START_ARM
 235   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 236     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 237   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 238     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 239   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 240               "ARM process %u stopped\n", p->arm_pid);
 241 #endif
 242   GNUNET_CONFIGURATION_destroy (p->cfg);
 243 }
 244
 245
 246 static void
 247 run (void *cls,
 248      struct GNUNET_SCHEDULER_Handle *s,
 249      char *const *args,
 250      const char *cfgfile,
 251      const struct GNUNET_CONFIGURATION_Handle *cfg)
 252 {
 253   const char *keywords[] = {
 254     "down_foo",
 255     "down_bar",
 256   };
 257   char *buf;
 258   struct GNUNET_CONTAINER_MetaData *meta;
 259   struct GNUNET_FS_Uri *kuri;
 260   struct GNUNET_FS_FileInformation *fi;
 261   size_t i;
 262
 263   sched = s;
 264   setup_peer (&p1, "test_fs_download_data.conf");
 265   fs = GNUNET_FS_start (sched,
 266                         cfg,
 267                         "test-fs-download",
 268                         &progress_cb,
 269                         NULL,
 270                         GNUNET_FS_FLAGS_NONE,
 271                         GNUNET_FS_OPTIONS_END);
 272   GNUNET_assert (NULL != fs);
 273   buf = GNUNET_malloc (FILESIZE);
 274   for (i = 0; i < FILESIZE; i++)
 275     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 276   meta = GNUNET_CONTAINER_meta_data_create ();
 277   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 278   fi = GNUNET_FS_file_information_create_from_data ("publish-context",
 279                                                     FILESIZE,
 280                                                     buf,
 281                                                     kuri,
 282                                                     meta,
 283                                                     GNUNET_NO,
 284                                                     1,
 285                                                     42,
 286                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 287   GNUNET_FS_uri_destroy (kuri);
 288   GNUNET_CONTAINER_meta_data_destroy (meta);
 289   GNUNET_assert (NULL != fi);
 290   start = GNUNET_TIME_absolute_get ();
 291   publish = GNUNET_FS_publish_start (fs,
 292                                     fi,
 293                                     NULL, NULL, NULL,
 294                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 295   GNUNET_assert (publish != NULL);
 296 }
 297
 298
 299 int
 300 main (int argc, char *argv[])
 301 {
 302   char *const argvx[] = {
 303     "test-fs-download",
 304     "-c",
 305     "test_fs_download_data.conf",
 306 #if VERBOSE
 307     "-L", "DEBUG",
 308 #endif
 309     NULL
 310   };
 311   struct GNUNET_GETOPT_CommandLineOption options[] = {
 312     GNUNET_GETOPT_OPTION_END
 313   };
 314
 315   GNUNET_log_setup ("test_fs_download",
 316 #if VERBOSE
 317                     "DEBUG",
 318 #else
 319                     "WARNING",
 320 #endif
 321                     NULL);
 322   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 323                       argvx, "test-fs-download",
 324                       "nohelp", options, &run, NULL);
 325   stop_arm (&p1);
 326   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 327   return 0;
 328 }
 329
 330 /* end of test_fs_download.c */