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,
 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_PUBLISH_START:
 197       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 198       GNUNET_assert (NULL == event->value.publish.pctx);
 199       GNUNET_assert (FILESIZE == event->value.publish.size);
 200       GNUNET_assert (0 == event->value.publish.completed);
 201       GNUNET_assert (1 == event->value.publish.anonymity);
 202       break;
 203     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 204       GNUNET_assert (publish == event->value.publish.sc);
 205       GNUNET_assert (FILESIZE == event->value.publish.size);
 206       GNUNET_assert (1 == event->value.publish.anonymity);
 207       GNUNET_FS_stop (fs);
 208       fs = NULL;
 209       break;
 210     case GNUNET_FS_STATUS_DOWNLOAD_START:
 211       GNUNET_assert (download == NULL);
 212       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 213       GNUNET_assert (NULL == event->value.download.pctx);
 214       GNUNET_assert (NULL != event->value.download.uri);
 215       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 216       GNUNET_assert (FILESIZE == event->value.download.size);
 217       GNUNET_assert (0 == event->value.download.completed);
 218       GNUNET_assert (1 == event->value.download.anonymity);
 219       break;
 220     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 221       GNUNET_assert (download == event->value.download.dc);
 222       GNUNET_SCHEDULER_add_continuation (sched,
 223                                          &abort_publish_task,
 224                                          NULL,
 225                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 226       break;
 227     default:
 228       printf ("Unexpected event: %d\n",
 229               event->status);
 230       break;
 231     }
 232   return NULL;
 233 }
 234
 235
 236 static void
 237 setup_peer (struct PeerContext *p, const char *cfgname)
 238 {
 239   p->cfg = GNUNET_CONFIGURATION_create ();
 240 #if START_ARM
 241   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 242                                         "gnunet-service-arm",
 243 #if VERBOSE
 244                                         "-L", "DEBUG",
 245 #endif
 246                                         "-c", cfgname, NULL);
 247 #endif
 248   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 249   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 250 }
 251
 252
 253 static void
 254 stop_arm (struct PeerContext *p)
 255 {
 256 #if START_ARM
 257   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 258     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 259   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 260     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 261   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 262               "ARM process %u stopped\n", p->arm_pid);
 263 #endif
 264   GNUNET_CONFIGURATION_destroy (p->cfg);
 265 }
 266
 267
 268 static void
 269 run (void *cls,
 270      struct GNUNET_SCHEDULER_Handle *s,
 271      char *const *args,
 272      const char *cfgfile,
 273      const struct GNUNET_CONFIGURATION_Handle *cfg)
 274 {
 275   const char *keywords[] = {
 276     "down_foo",
 277     "down_bar",
 278   };
 279   char *buf;
 280   struct GNUNET_CONTAINER_MetaData *meta;
 281   struct GNUNET_FS_Uri *kuri;
 282   struct GNUNET_FS_FileInformation *fi;
 283   size_t i;
 284
 285   sched = s;
 286   setup_peer (&p1, "test_fs_download_data.conf");
 287   fs = GNUNET_FS_start (sched,
 288                         cfg,
 289                         "test-fs-download",
 290                         &progress_cb,
 291                         NULL,
 292                         GNUNET_FS_FLAGS_NONE,
 293                         GNUNET_FS_OPTIONS_END);
 294   GNUNET_assert (NULL != fs);
 295   buf = GNUNET_malloc (FILESIZE);
 296   for (i = 0; i < FILESIZE; i++)
 297     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 298   meta = GNUNET_CONTAINER_meta_data_create ();
 299   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 300   fi = GNUNET_FS_file_information_create_from_data ("publish-context",
 301                                                     FILESIZE,
 302                                                     buf,
 303                                                     kuri,
 304                                                     meta,
 305                                                     GNUNET_NO,
 306                                                     1,
 307                                                     42,
 308                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 309   GNUNET_FS_uri_destroy (kuri);
 310   GNUNET_CONTAINER_meta_data_destroy (meta);
 311   GNUNET_assert (NULL != fi);
 312   timeout_kill = GNUNET_SCHEDULER_add_delayed (sched,
 313                                                TIMEOUT,
 314                                                &timeout_kill_task,
 315                                                NULL);
 316   start = GNUNET_TIME_absolute_get ();
 317   publish = GNUNET_FS_publish_start (fs,
 318                                     fi,
 319                                     NULL, NULL, NULL,
 320                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 321   GNUNET_assert (publish != NULL);
 322 }
 323
 324
 325 int
 326 main (int argc, char *argv[])
 327 {
 328   char *const argvx[] = {
 329     "test-fs-download",
 330     "-c",
 331     "test_fs_download_data.conf",
 332 #if VERBOSE
 333     "-L", "DEBUG",
 334 #endif
 335     NULL
 336   };
 337   struct GNUNET_GETOPT_CommandLineOption options[] = {
 338     GNUNET_GETOPT_OPTION_END
 339   };
 340
 341   GNUNET_log_setup ("test_fs_download",
 342 #if VERBOSE
 343                     "DEBUG",
 344 #else
 345                     "WARNING",
 346 #endif
 347                     NULL);
 348   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 349                       argvx, "test-fs-download",
 350                       "nohelp", options, &run, NULL);
 351   stop_arm (&p1);
 352   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 353   return err;
 354 }
 355
 356 /* end of test_fs_download.c */