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