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 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
  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   struct GNUNET_OS_Process *arm_proc;
  56 #endif
  57 };
  58
  59 static struct PeerContext p1;
  60
  61 static struct GNUNET_TIME_Absolute start;
  62
  63 static struct GNUNET_FS_Handle *fs;
  64
  65 static struct GNUNET_FS_DownloadContext *download;
  66
  67 static struct GNUNET_FS_PublishContext *publish;
  68
  69 static GNUNET_SCHEDULER_TaskIdentifier timeout_kill;
  70
  71 static char *fn;
  72
  73 static int err;
  74
  75 static void
  76 timeout_kill_task (void *cls,
  77                    const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   if (download != NULL)
  80     {
  81       GNUNET_FS_download_stop (download, GNUNET_YES);
  82       download = NULL;
  83     }
  84   else if (publish != NULL)
  85     {
  86       GNUNET_FS_publish_stop (publish);
  87       publish = NULL;
  88     }
  89   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  90   err = 1;
  91 }
  92
  93 static void
  94 abort_publish_task (void *cls,
  95                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  96 {
  97   if (publish != NULL)
  98     {
  99       GNUNET_FS_publish_stop (publish);
 100       publish = NULL;
 101     }
 102 }
 103
 104 static void
 105 stop_fs_task (void *cls,
 106               const struct GNUNET_SCHEDULER_TaskContext *tc)
 107 {
 108   GNUNET_FS_stop (fs);
 109   fs = NULL;
 110 }
 111
 112 static void
 113 abort_download_task (void *cls,
 114                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 115 {
 116   uint64_t size;
 117
 118   if (download != NULL)
 119     {
 120       GNUNET_FS_download_stop (download, GNUNET_YES);
 121       download = NULL;
 122     }
 123   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 124   GNUNET_assert (size == FILESIZE);
 125   GNUNET_DISK_directory_remove (fn);
 126   GNUNET_free (fn);
 127   fn = NULL;
 128   GNUNET_SCHEDULER_cancel (timeout_kill);
 129   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 130 }
 131
 132
 133 static void *
 134 progress_cb (void *cls,
 135              const struct GNUNET_FS_ProgressInfo *event)
 136 {
 137
 138   switch (event->status)
 139     {
 140     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 141 #if VERBOSE
 142       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 143               (unsigned long long) event->abs_value.publish.completed,
 144               (unsigned long long) event->abs_value.publish.size,
 145               event->abs_value.publish.specifics.progress.depth,
 146               (unsigned long long) event->abs_value.publish.specifics.progress.offset);
 147 #endif
 148       break;
 149     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 150       printf ("Publishing complete, %llu kbps.\n",
 151               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 152       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 153       start = GNUNET_TIME_absolute_get ();
 154       download = GNUNET_FS_download_start (fs,
 155                                            event->value.publish.specifics.completed.chk_uri,
 156                                            NULL,
 157                                            fn, NULL,
 158                                            0,
 159                                            FILESIZE,
 160                                            1,
 161                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 162                                            "download",
 163                                            NULL);
 164       GNUNET_assert (download != NULL);
 165       break;
 166     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 167       printf ("Download complete,  %llu kbps.\n",
 168               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 169       GNUNET_SCHEDULER_add_now (&abort_download_task,
 170                                 NULL);
 171       break;
 172     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 173       GNUNET_assert (download == event->value.download.dc);
 174 #if VERBOSE
 175       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 176               (unsigned long long) event->abs_value.download.completed,
 177               (unsigned long long) event->abs_value.download.size,
 178               event->abs_value.download.specifics.progress.depth,
 179               (unsigned long long) event->abs_value.download.specifics.progress.offset);
 180 #endif
 181       break;
 182     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 183       fprintf (stderr,
 184                "Error publishing file: %s\n",
 185                event->value.publish.specifics.error.message);
 186       GNUNET_break (0);
 187       GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 188                                          NULL,
 189                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 190       break;
 191     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 192       fprintf (stderr,
 193                "Error downloading file: %s\n",
 194                event->value.download.specifics.error.message);
 195       GNUNET_SCHEDULER_add_now (&abort_download_task,
 196                                 NULL);
 197       break;
 198     case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 199     case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 200       break;
 201     case GNUNET_FS_STATUS_PUBLISH_START:
 202       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 203       GNUNET_assert (NULL == event->value.publish.pctx);
 204       GNUNET_assert (FILESIZE == event->value.publish.size);
 205       GNUNET_assert (0 == event->value.publish.completed);
 206       GNUNET_assert (1 == event->value.publish.anonymity);
 207       break;
 208     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 209       GNUNET_assert (publish == event->value.publish.pc);
 210       GNUNET_assert (FILESIZE == event->value.publish.size);
 211       GNUNET_assert (1 == event->value.publish.anonymity);
 212       GNUNET_SCHEDULER_add_now (&stop_fs_task,
 213                                 NULL);
 214       break;
 215     case GNUNET_FS_STATUS_DOWNLOAD_START:
 216       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 217       GNUNET_assert (NULL == event->value.download.pctx);
 218       GNUNET_assert (NULL != event->value.download.uri);
 219       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 220       GNUNET_assert (FILESIZE == event->value.download.size);
 221       GNUNET_assert (0 == event->value.download.completed);
 222       GNUNET_assert (1 == event->value.download.anonymity);
 223       break;
 224     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 225       GNUNET_assert (download == event->value.download.dc);
 226       GNUNET_SCHEDULER_add_continuation (&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_proc = 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 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
 260     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 261   if (GNUNET_OS_process_wait(p->arm_proc) != GNUNET_OK)
 262     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 263   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 264               "ARM process %u stopped\n", GNUNET_OS_process_get_pid (p->arm_proc));
 265   GNUNET_OS_process_close (p->arm_proc);
 266   p->arm_proc = NULL;
 267 #endif
 268   GNUNET_CONFIGURATION_destroy (p->cfg);
 269 }
 270
 271
 272 static void
 273 run (void *cls,
 274      char *const *args,
 275      const char *cfgfile,
 276      const struct GNUNET_CONFIGURATION_Handle *cfg)
 277 {
 278   const char *keywords[] = {
 279     "down_foo",
 280     "down_bar",
 281   };
 282   char *buf;
 283   struct GNUNET_CONTAINER_MetaData *meta;
 284   struct GNUNET_FS_Uri *kuri;
 285   struct GNUNET_FS_FileInformation *fi;
 286   size_t i;
 287
 288   setup_peer (&p1, "test_fs_download_data.conf");
 289   fs = GNUNET_FS_start (cfg,
 290                         "test-fs-download",
 291                         &progress_cb,
 292                         NULL,
 293                         GNUNET_FS_FLAGS_NONE,
 294                         GNUNET_FS_OPTIONS_END);
 295   GNUNET_assert (NULL != fs);
 296   buf = GNUNET_malloc (FILESIZE);
 297   for (i = 0; i < FILESIZE; i++)
 298     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 299   meta = GNUNET_CONTAINER_meta_data_create ();
 300   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 301   fi = GNUNET_FS_file_information_create_from_data (fs,
 302                                                     "publish-context",
 303                                                     FILESIZE,
 304                                                     buf,
 305                                                     kuri,
 306                                                     meta,
 307                                                     GNUNET_NO,
 308                                                     1,
 309                                                     42,
 310                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 311   GNUNET_FS_uri_destroy (kuri);
 312   GNUNET_CONTAINER_meta_data_destroy (meta);
 313   GNUNET_assert (NULL != fi);
 314   timeout_kill = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 315                                                &timeout_kill_task,
 316                                                NULL);
 317   start = GNUNET_TIME_absolute_get ();
 318   publish = GNUNET_FS_publish_start (fs,
 319                                     fi,
 320                                     NULL, NULL, NULL,
 321                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 322   GNUNET_assert (publish != NULL);
 323 }
 324
 325
 326 int
 327 main (int argc, char *argv[])
 328 {
 329   char *const argvx[] = {
 330     "test-fs-download",
 331     "-c",
 332     "test_fs_download_data.conf",
 333 #if VERBOSE
 334     "-L", "DEBUG",
 335 #endif
 336     NULL
 337   };
 338   struct GNUNET_GETOPT_CommandLineOption options[] = {
 339     GNUNET_GETOPT_OPTION_END
 340   };
 341
 342   GNUNET_log_setup ("test_fs_download",
 343 #if VERBOSE
 344                     "DEBUG",
 345 #else
 346                     "WARNING",
 347 #endif
 348                     NULL);
 349   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 350                       argvx, "test-fs-download",
 351                       "nohelp", options, &run, NULL);
 352   stop_arm (&p1);
 353   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 354   return err;
 355 }
 356
 357 /* end of test_fs_download.c */