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_YES
  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                                          &abort_download_task,
 137                                          NULL,
 138                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 139       break;
 140     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 141       GNUNET_assert (download == event->value.download.dc);
 142 #if VERBOSE
 143       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 144               (unsigned long long) event->value.download.completed,
 145               (unsigned long long) event->value.download.size,
 146               event->value.download.specifics.progress.depth,
 147               (unsigned long long) event->value.download.specifics.progress.offset);
 148 #endif
 149       break;
 150     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 151       fprintf (stderr,
 152                "Error publishing file: %s\n",
 153                event->value.publish.specifics.error.message);
 154       GNUNET_break (0);
 155       GNUNET_SCHEDULER_add_continuation (sched,
 156                                          &abort_publish_task,
 157                                          NULL,
 158                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 159       break;
 160     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 161       fprintf (stderr,
 162                "Error downloading file: %s\n",
 163                event->value.download.specifics.error.message);
 164       GNUNET_SCHEDULER_add_continuation (sched,
 165                                          &abort_download_task,
 166                                          NULL,
 167                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 168       break;
 169     case GNUNET_FS_STATUS_PUBLISH_START:
 170       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 171       GNUNET_assert (NULL == event->value.publish.pctx);
 172       GNUNET_assert (FILESIZE == event->value.publish.size);
 173       GNUNET_assert (0 == event->value.publish.completed);
 174       GNUNET_assert (1 == event->value.publish.anonymity);
 175       break;
 176     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 177       GNUNET_assert (publish == event->value.publish.sc);
 178       GNUNET_assert (FILESIZE == event->value.publish.size);
 179       GNUNET_assert (1 == event->value.publish.anonymity);
 180       GNUNET_FS_stop (fs);
 181       fs = NULL;
 182       break;
 183     case GNUNET_FS_STATUS_DOWNLOAD_START:
 184       GNUNET_assert (download == NULL);
 185       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 186       GNUNET_assert (NULL == event->value.download.pctx);
 187       GNUNET_assert (NULL != event->value.download.uri);
 188       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 189       GNUNET_assert (FILESIZE == event->value.download.size);
 190       GNUNET_assert (0 == event->value.download.completed);
 191       GNUNET_assert (1 == event->value.download.anonymity);
 192       break;
 193     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 194       GNUNET_assert (download == event->value.download.dc);
 195       GNUNET_SCHEDULER_add_continuation (sched,
 196                                          &abort_publish_task,
 197                                          NULL,
 198                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 199       break;
 200     default:
 201       printf ("Unexpected event: %d\n",
 202               event->status);
 203       break;
 204     }
 205   return NULL;
 206 }
 207
 208
 209 static void
 210 setup_peer (struct PeerContext *p, const char *cfgname)
 211 {
 212   p->cfg = GNUNET_CONFIGURATION_create ();
 213 #if START_ARM
 214   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 215                                         "gnunet-service-arm",
 216 #if VERBOSE
 217                                         "-L", "DEBUG",
 218 #endif
 219                                         "-c", cfgname, NULL);
 220   sleep (1);                    /* allow ARM to start */
 221 #endif
 222   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 223   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 224 }
 225
 226
 227 static void
 228 stop_arm (struct PeerContext *p)
 229 {
 230 #if START_ARM
 231   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 232     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 233   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 234     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 235   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 236               "ARM process %u stopped\n", p->arm_pid);
 237 #endif
 238   GNUNET_CONFIGURATION_destroy (p->cfg);
 239 }
 240
 241
 242 static void
 243 run (void *cls,
 244      struct GNUNET_SCHEDULER_Handle *s,
 245      char *const *args,
 246      const char *cfgfile,
 247      const struct GNUNET_CONFIGURATION_Handle *cfg)
 248 {
 249   const char *keywords[] = {
 250     "down_foo",
 251     "down_bar",
 252   };
 253   char *buf;
 254   struct GNUNET_CONTAINER_MetaData *meta;
 255   struct GNUNET_FS_Uri *kuri;
 256   struct GNUNET_FS_FileInformation *fi;
 257   size_t i;
 258
 259   sched = s;
 260   setup_peer (&p1, "test_fs_download_data.conf");
 261   fs = GNUNET_FS_start (sched,
 262                         cfg,
 263                         "test-fs-download",
 264                         &progress_cb,
 265                         NULL,
 266                         GNUNET_FS_FLAGS_NONE,
 267                         GNUNET_FS_OPTIONS_END);
 268   GNUNET_assert (NULL != fs);
 269   buf = GNUNET_malloc (FILESIZE);
 270   for (i = 0; i < FILESIZE; i++)
 271     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 272   meta = GNUNET_CONTAINER_meta_data_create ();
 273   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 274   fi = GNUNET_FS_file_information_create_from_data ("publish-context",
 275                                                     FILESIZE,
 276                                                     buf,
 277                                                     kuri,
 278                                                     meta,
 279                                                     GNUNET_NO,
 280                                                     1,
 281                                                     42,
 282                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 283   GNUNET_FS_uri_destroy (kuri);
 284   GNUNET_CONTAINER_meta_data_destroy (meta);
 285   GNUNET_assert (NULL != fi);
 286   start = GNUNET_TIME_absolute_get ();
 287   publish = GNUNET_FS_publish_start (fs,
 288                                     fi,
 289                                     NULL, NULL, NULL,
 290                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 291   GNUNET_assert (publish != NULL);
 292 }
 293
 294
 295 int
 296 main (int argc, char *argv[])
 297 {
 298   char *const argvx[] = {
 299     "test-fs-download",
 300     "-c",
 301     "test_fs_download_data.conf",
 302 #if VERBOSE
 303     "-L", "DEBUG",
 304 #endif
 305     NULL
 306   };
 307   struct GNUNET_GETOPT_CommandLineOption options[] = {
 308     GNUNET_GETOPT_OPTION_END
 309   };
 310
 311   GNUNET_log_setup ("test_fs_download",
 312 #if VERBOSE
 313                     "DEBUG",
 314 #else
 315                     "WARNING",
 316 #endif
 317                     NULL);
 318   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 319                       argvx, "test-fs-download",
 320                       "nohelp", options, &run, NULL);
 321   stop_arm (&p1);
 322   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 323   return 0;
 324 }
 325
 326 /* end of test_fs_download.c */