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 static void
 107 stop_fs_task (void *cls,
 108               const struct GNUNET_SCHEDULER_TaskContext *tc)
 109 {
 110   GNUNET_FS_stop (fs);
 111   fs = NULL;
 112 }
 113
 114 static void
 115 abort_download_task (void *cls,
 116                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 117 {
 118   uint64_t size;
 119
 120   if (download != NULL)
 121     {
 122       GNUNET_FS_download_stop (download, GNUNET_YES);
 123       download = NULL;
 124     }
 125   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 126   GNUNET_assert (size == FILESIZE);
 127   GNUNET_DISK_directory_remove (fn);
 128   GNUNET_free (fn);
 129   fn = NULL;
 130   GNUNET_SCHEDULER_cancel (sched, timeout_kill);
 131   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 132 }
 133
 134
 135 static void *
 136 progress_cb (void *cls,
 137              const struct GNUNET_FS_ProgressInfo *event)
 138 {
 139
 140   switch (event->status)
 141     {
 142     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 143 #if VERBOSE
 144       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 145               (unsigned long long) event->value.publish.completed,
 146               (unsigned long long) event->value.publish.size,
 147               event->value.publish.specifics.progress.depth,
 148               (unsigned long long) event->value.publish.specifics.progress.offset);
 149 #endif
 150       break;
 151     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 152       printf ("Publishing complete, %llu kbps.\n",
 153               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024LL));
 154       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 155       start = GNUNET_TIME_absolute_get ();
 156       download = GNUNET_FS_download_start (fs,
 157                                            event->value.publish.specifics.completed.chk_uri,
 158                                            NULL,
 159                                            fn, NULL,
 160                                            0,
 161                                            FILESIZE,
 162                                            1,
 163                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 164                                            "download",
 165                                            NULL);
 166       GNUNET_assert (download != NULL);
 167       break;
 168     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 169       printf ("Download complete,  %llu kbps.\n",
 170               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024LL));
 171       GNUNET_SCHEDULER_add_now (sched,
 172                                 &abort_download_task,
 173                                 NULL);
 174       break;
 175     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 176       GNUNET_assert (download == event->value.download.dc);
 177 #if VERBOSE
 178       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 179               (unsigned long long) event->value.download.completed,
 180               (unsigned long long) event->value.download.size,
 181               event->value.download.specifics.progress.depth,
 182               (unsigned long long) event->value.download.specifics.progress.offset);
 183 #endif
 184       break;
 185     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 186       fprintf (stderr,
 187                "Error publishing file: %s\n",
 188                event->value.publish.specifics.error.message);
 189       GNUNET_break (0);
 190       GNUNET_SCHEDULER_add_continuation (sched,
 191                                          &abort_publish_task,
 192                                          NULL,
 193                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 194       break;
 195     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 196       fprintf (stderr,
 197                "Error downloading file: %s\n",
 198                event->value.download.specifics.error.message);
 199       GNUNET_SCHEDULER_add_now (sched,
 200                                 &abort_download_task,
 201                                 NULL);
 202       break;
 203     case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 204     case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 205       break;
 206     case GNUNET_FS_STATUS_PUBLISH_START:
 207       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 208       GNUNET_assert (NULL == event->value.publish.pctx);
 209       GNUNET_assert (FILESIZE == event->value.publish.size);
 210       GNUNET_assert (0 == event->value.publish.completed);
 211       GNUNET_assert (1 == event->value.publish.anonymity);
 212       break;
 213     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 214       GNUNET_assert (publish == event->value.publish.pc);
 215       GNUNET_assert (FILESIZE == event->value.publish.size);
 216       GNUNET_assert (1 == event->value.publish.anonymity);
 217       GNUNET_SCHEDULER_add_now (sched,
 218                                 &stop_fs_task,
 219                                 NULL);
 220       break;
 221     case GNUNET_FS_STATUS_DOWNLOAD_START:
 222       GNUNET_assert (download == NULL);
 223       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 224       GNUNET_assert (NULL == event->value.download.pctx);
 225       GNUNET_assert (NULL != event->value.download.uri);
 226       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 227       GNUNET_assert (FILESIZE == event->value.download.size);
 228       GNUNET_assert (0 == event->value.download.completed);
 229       GNUNET_assert (1 == event->value.download.anonymity);
 230       break;
 231     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 232       GNUNET_assert (download == event->value.download.dc);
 233       GNUNET_SCHEDULER_add_continuation (sched,
 234                                          &abort_publish_task,
 235                                          NULL,
 236                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 237       break;
 238     default:
 239       printf ("Unexpected event: %d\n",
 240               event->status);
 241       break;
 242     }
 243   return NULL;
 244 }
 245
 246
 247 static void
 248 setup_peer (struct PeerContext *p, const char *cfgname)
 249 {
 250   p->cfg = GNUNET_CONFIGURATION_create ();
 251 #if START_ARM
 252   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 253                                         "gnunet-service-arm",
 254 #if VERBOSE
 255                                         "-L", "DEBUG",
 256 #endif
 257                                         "-c", cfgname, NULL);
 258 #endif
 259   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 260 }
 261
 262
 263 static void
 264 stop_arm (struct PeerContext *p)
 265 {
 266 #if START_ARM
 267   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 268     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 269   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 270     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 271   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 272               "ARM process %u stopped\n", p->arm_pid);
 273 #endif
 274   GNUNET_CONFIGURATION_destroy (p->cfg);
 275 }
 276
 277
 278 static void
 279 run (void *cls,
 280      struct GNUNET_SCHEDULER_Handle *s,
 281      char *const *args,
 282      const char *cfgfile,
 283      const struct GNUNET_CONFIGURATION_Handle *cfg)
 284 {
 285   const char *keywords[] = {
 286     "down_foo",
 287     "down_bar",
 288   };
 289   char *buf;
 290   struct GNUNET_CONTAINER_MetaData *meta;
 291   struct GNUNET_FS_Uri *kuri;
 292   struct GNUNET_FS_FileInformation *fi;
 293   size_t i;
 294
 295   sched = s;
 296   setup_peer (&p1, "test_fs_download_data.conf");
 297   fs = GNUNET_FS_start (sched,
 298                         cfg,
 299                         "test-fs-download",
 300                         &progress_cb,
 301                         NULL,
 302                         GNUNET_FS_FLAGS_NONE,
 303                         GNUNET_FS_OPTIONS_END);
 304   GNUNET_assert (NULL != fs);
 305   buf = GNUNET_malloc (FILESIZE);
 306   for (i = 0; i < FILESIZE; i++)
 307     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 308   meta = GNUNET_CONTAINER_meta_data_create ();
 309   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 310   fi = GNUNET_FS_file_information_create_from_data (fs,
 311                                                     "publish-context",
 312                                                     FILESIZE,
 313                                                     buf,
 314                                                     kuri,
 315                                                     meta,
 316                                                     GNUNET_NO,
 317                                                     1,
 318                                                     42,
 319                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 320   GNUNET_FS_uri_destroy (kuri);
 321   GNUNET_CONTAINER_meta_data_destroy (meta);
 322   GNUNET_assert (NULL != fi);
 323   timeout_kill = GNUNET_SCHEDULER_add_delayed (sched,
 324                                                TIMEOUT,
 325                                                &timeout_kill_task,
 326                                                NULL);
 327   start = GNUNET_TIME_absolute_get ();
 328   publish = GNUNET_FS_publish_start (fs,
 329                                     fi,
 330                                     NULL, NULL, NULL,
 331                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 332   GNUNET_assert (publish != NULL);
 333 }
 334
 335
 336 int
 337 main (int argc, char *argv[])
 338 {
 339   char *const argvx[] = {
 340     "test-fs-download",
 341     "-c",
 342     "test_fs_download_data.conf",
 343 #if VERBOSE
 344     "-L", "DEBUG",
 345 #endif
 346     NULL
 347   };
 348   struct GNUNET_GETOPT_CommandLineOption options[] = {
 349     GNUNET_GETOPT_OPTION_END
 350   };
 351
 352   GNUNET_log_setup ("test_fs_download",
 353 #if VERBOSE
 354                     "DEBUG",
 355 #else
 356                     "WARNING",
 357 #endif
 358                     NULL);
 359   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 360                       argvx, "test-fs-download",
 361                       "nohelp", options, &run, NULL);
 362   stop_arm (&p1);
 363   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 364   return err;
 365 }
 366
 367 /* end of test_fs_download.c */