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, 60)
  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 GNUNET_SCHEDULER_TaskIdentifier timeout_kill;
  72
  73 static char *fn;
  74
  75 static int err;
  76
  77 static void
  78 timeout_kill_task (void *cls,
  79                    const struct GNUNET_SCHEDULER_TaskContext *tc)
  80 {
  81   if (download != NULL)
  82     {
  83       GNUNET_FS_download_stop (download, GNUNET_YES);
  84       download = NULL;
  85     }
  86   else if (publish != NULL)
  87     {
  88       GNUNET_FS_publish_stop (publish);
  89       publish = NULL;
  90     }
  91   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  92   err = 1;
  93 }
  94
  95 static void
  96 abort_publish_task (void *cls,
  97                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  98 {
  99   if (publish != NULL)
 100     {
 101       GNUNET_FS_publish_stop (publish);
 102       publish = NULL;
 103     }
 104 }
 105
 106
 107 static void
 108 abort_download_task (void *cls,
 109                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 110 {
 111   uint64_t size;
 112
 113   if (download != NULL)
 114     {
 115       GNUNET_FS_download_stop (download, GNUNET_YES);
 116       download = NULL;
 117     }
 118   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 119   GNUNET_assert (size == FILESIZE);
 120   GNUNET_DISK_directory_remove (fn);
 121   GNUNET_free (fn);
 122   fn = NULL;
 123   GNUNET_SCHEDULER_cancel (sched, timeout_kill);
 124   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 125 }
 126
 127
 128 static void *
 129 progress_cb (void *cls,
 130              const struct GNUNET_FS_ProgressInfo *event)
 131 {
 132
 133   switch (event->status)
 134     {
 135     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 136 #if VERBOSE
 137       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 138               (unsigned long long) event->value.publish.completed,
 139               (unsigned long long) event->value.publish.size,
 140               event->value.publish.specifics.progress.depth,
 141               (unsigned long long) event->value.publish.specifics.progress.offset);
 142 #endif
 143       break;
 144     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 145       printf ("Publishing complete, %llu kbps.\n",
 146               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024LL));
 147       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 148       start = GNUNET_TIME_absolute_get ();
 149       download = GNUNET_FS_download_start (fs,
 150                                            event->value.publish.specifics.completed.chk_uri,
 151                                            NULL,
 152                                            fn, NULL,
 153                                            0,
 154                                            FILESIZE,
 155                                            1,
 156                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 157                                            "download",
 158                                            NULL);
 159       GNUNET_assert (download != NULL);
 160       break;
 161     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 162       printf ("Download complete,  %llu kbps.\n",
 163               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024LL));
 164       GNUNET_SCHEDULER_add_now (sched,
 165                                 &abort_download_task,
 166                                 NULL);
 167       break;
 168     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 169       GNUNET_assert (download == event->value.download.dc);
 170 #if VERBOSE
 171       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 172               (unsigned long long) event->value.download.completed,
 173               (unsigned long long) event->value.download.size,
 174               event->value.download.specifics.progress.depth,
 175               (unsigned long long) event->value.download.specifics.progress.offset);
 176 #endif
 177       break;
 178     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 179       fprintf (stderr,
 180                "Error publishing file: %s\n",
 181                event->value.publish.specifics.error.message);
 182       GNUNET_break (0);
 183       GNUNET_SCHEDULER_add_continuation (sched,
 184                                          &abort_publish_task,
 185                                          NULL,
 186                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 187       break;
 188     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 189       fprintf (stderr,
 190                "Error downloading file: %s\n",
 191                event->value.download.specifics.error.message);
 192       GNUNET_SCHEDULER_add_now (sched,
 193                                 &abort_download_task,
 194                                 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.sc);
 208       GNUNET_assert (FILESIZE == event->value.publish.size);
 209       GNUNET_assert (1 == event->value.publish.anonymity);
 210       GNUNET_FS_stop (fs);
 211       fs = NULL;
 212       break;
 213     case GNUNET_FS_STATUS_DOWNLOAD_START:
 214       GNUNET_assert (download == NULL);
 215       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 216       GNUNET_assert (NULL == event->value.download.pctx);
 217       GNUNET_assert (NULL != event->value.download.uri);
 218       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 219       GNUNET_assert (FILESIZE == event->value.download.size);
 220       GNUNET_assert (0 == event->value.download.completed);
 221       GNUNET_assert (1 == event->value.download.anonymity);
 222       break;
 223     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 224       GNUNET_assert (download == event->value.download.dc);
 225       GNUNET_SCHEDULER_add_continuation (sched,
 226                                          &abort_publish_task,
 227                                          NULL,
 228                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 229       break;
 230     default:
 231       printf ("Unexpected event: %d\n",
 232               event->status);
 233       break;
 234     }
 235   return NULL;
 236 }
 237
 238
 239 static void
 240 setup_peer (struct PeerContext *p, const char *cfgname)
 241 {
 242   p->cfg = GNUNET_CONFIGURATION_create ();
 243 #if START_ARM
 244   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 245                                         "gnunet-service-arm",
 246 #if VERBOSE
 247                                         "-L", "DEBUG",
 248 #endif
 249                                         "-c", cfgname, NULL);
 250 #endif
 251   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 252 }
 253
 254
 255 static void
 256 stop_arm (struct PeerContext *p)
 257 {
 258 #if START_ARM
 259   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 260     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 261   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 262     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 263   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 264               "ARM process %u stopped\n", p->arm_pid);
 265 #endif
 266   GNUNET_CONFIGURATION_destroy (p->cfg);
 267 }
 268
 269
 270 static void
 271 run (void *cls,
 272      struct GNUNET_SCHEDULER_Handle *s,
 273      char *const *args,
 274      const char *cfgfile,
 275      const struct GNUNET_CONFIGURATION_Handle *cfg)
 276 {
 277   const char *keywords[] = {
 278     "down_foo",
 279     "down_bar",
 280   };
 281   char *buf;
 282   struct GNUNET_CONTAINER_MetaData *meta;
 283   struct GNUNET_FS_Uri *kuri;
 284   struct GNUNET_FS_FileInformation *fi;
 285   size_t i;
 286
 287   sched = s;
 288   setup_peer (&p1, "test_fs_download_data.conf");
 289   fs = GNUNET_FS_start (sched,
 290                         cfg,
 291                         "test-fs-download",
 292                         &progress_cb,
 293                         NULL,
 294                         GNUNET_FS_FLAGS_NONE,
 295                         GNUNET_FS_OPTIONS_END);
 296   GNUNET_assert (NULL != fs);
 297   buf = GNUNET_malloc (FILESIZE);
 298   for (i = 0; i < FILESIZE; i++)
 299     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 300   meta = GNUNET_CONTAINER_meta_data_create ();
 301   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 302   fi = GNUNET_FS_file_information_create_from_data (fs,
 303                                                     "publish-context",
 304                                                     FILESIZE,
 305                                                     buf,
 306                                                     kuri,
 307                                                     meta,
 308                                                     GNUNET_NO,
 309                                                     1,
 310                                                     42,
 311                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 312   GNUNET_FS_uri_destroy (kuri);
 313   GNUNET_CONTAINER_meta_data_destroy (meta);
 314   GNUNET_assert (NULL != fi);
 315   timeout_kill = GNUNET_SCHEDULER_add_delayed (sched,
 316                                                TIMEOUT,
 317                                                &timeout_kill_task,
 318                                                NULL);
 319   start = GNUNET_TIME_absolute_get ();
 320   publish = GNUNET_FS_publish_start (fs,
 321                                     fi,
 322                                     NULL, NULL, NULL,
 323                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 324   GNUNET_assert (publish != NULL);
 325 }
 326
 327
 328 int
 329 main (int argc, char *argv[])
 330 {
 331   char *const argvx[] = {
 332     "test-fs-download",
 333     "-c",
 334     "test_fs_download_data.conf",
 335 #if VERBOSE
 336     "-L", "DEBUG",
 337 #endif
 338     NULL
 339   };
 340   struct GNUNET_GETOPT_CommandLineOption options[] = {
 341     GNUNET_GETOPT_OPTION_END
 342   };
 343
 344   GNUNET_log_setup ("test_fs_download",
 345 #if VERBOSE
 346                     "DEBUG",
 347 #else
 348                     "WARNING",
 349 #endif
 350                     NULL);
 351   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 352                       argvx, "test-fs-download",
 353                       "nohelp", options, &run, NULL);
 354   stop_arm (&p1);
 355   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 356   return err;
 357 }
 358
 359 /* end of test_fs_download.c */