src/fs/test_fs_download_indexed.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_indexed.c
  23  * @brief simple testcase for downloading of indexed file
  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 char *fn1;
  76
  77 static int err;
  78
  79 static void
  80 timeout_kill_task (void *cls,
  81                    const struct GNUNET_SCHEDULER_TaskContext *tc)
  82 {
  83   if (download != NULL)
  84     {
  85       GNUNET_FS_download_stop (download, GNUNET_YES);
  86       download = NULL;
  87     }
  88   else if (publish != NULL)
  89     {
  90       GNUNET_FS_publish_stop (publish);
  91       publish = NULL;
  92     }
  93   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  94   err = 1;
  95 }
  96
  97 static void
  98 abort_publish_task (void *cls,
  99                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 100 {
 101   if (publish != NULL)
 102     {
 103       GNUNET_FS_publish_stop (publish);
 104       publish = NULL;
 105     }
 106 }
 107
 108 static void
 109 stop_fs_task (void *cls,
 110               const struct GNUNET_SCHEDULER_TaskContext *tc)
 111 {
 112   GNUNET_FS_stop (fs);
 113   fs = NULL;
 114 }
 115
 116 static void
 117 abort_download_task (void *cls,
 118                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 119 {
 120   uint64_t size;
 121
 122   if (download != NULL)
 123     {
 124       GNUNET_FS_download_stop (download, GNUNET_YES);
 125       download = NULL;
 126     }
 127   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 128   GNUNET_assert (size == FILESIZE);
 129   GNUNET_DISK_directory_remove (fn);
 130   GNUNET_free (fn);
 131   fn = NULL;
 132   GNUNET_SCHEDULER_cancel (sched, timeout_kill);
 133   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 134 }
 135
 136
 137 static void *
 138 progress_cb (void *cls,
 139              const struct GNUNET_FS_ProgressInfo *event)
 140 {
 141
 142   switch (event->status)
 143     {
 144     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 145 #if VERBOSE
 146       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 147               (unsigned long long) event->abs_value.publish.completed,
 148               (unsigned long long) event->abs_value.publish.size,
 149               event->abs_value.publish.specifics.progress.depth,
 150               (unsigned long long) event->abs_value.publish.specifics.progress.offset);
 151 #endif
 152       break;
 153     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 154       printf ("Publishing complete, %llu kbps.\n",
 155               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 156       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 157       start = GNUNET_TIME_absolute_get ();
 158       download = GNUNET_FS_download_start (fs,
 159                                            event->value.publish.specifics.completed.chk_uri,
 160                                            NULL,
 161                                            fn, NULL,
 162                                            0,
 163                                            FILESIZE,
 164                                            1,
 165                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 166                                            "download",
 167                                            NULL);
 168       GNUNET_assert (download != NULL);
 169       break;
 170     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 171       printf ("Download complete,  %llu kbps.\n",
 172               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 173       GNUNET_SCHEDULER_add_now (sched,
 174                                 &abort_download_task,
 175                                 NULL);
 176       break;
 177     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 178       GNUNET_assert (download == event->value.download.dc);
 179 #if VERBOSE
 180       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 181               (unsigned long long) event->abs_value.download.completed,
 182               (unsigned long long) event->abs_value.download.size,
 183               event->abs_value.download.specifics.progress.depth,
 184               (unsigned long long) event->abs_value.download.specifics.progress.offset);
 185 #endif
 186       break;
 187     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 188       fprintf (stderr,
 189                "Error publishing file: %s\n",
 190                event->value.publish.specifics.error.message);
 191       GNUNET_break (0);
 192       GNUNET_SCHEDULER_add_continuation (sched,
 193                                          &abort_publish_task,
 194                                          NULL,
 195                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 196       break;
 197     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 198       fprintf (stderr,
 199                "Error downloading file: %s\n",
 200                event->value.download.specifics.error.message);
 201       GNUNET_SCHEDULER_add_now (sched,
 202                                 &abort_download_task,
 203                                 NULL);
 204       break;
 205     case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 206     case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 207       break;
 208     case GNUNET_FS_STATUS_PUBLISH_START:
 209       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 210       GNUNET_assert (NULL == event->value.publish.pctx);
 211       GNUNET_assert (FILESIZE == event->value.publish.size);
 212       GNUNET_assert (0 == event->value.publish.completed);
 213       GNUNET_assert (1 == event->value.publish.anonymity);
 214       break;
 215     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 216       GNUNET_assert (publish == event->value.publish.pc);
 217       GNUNET_assert (FILESIZE == event->value.publish.size);
 218       GNUNET_assert (1 == event->value.publish.anonymity);
 219       GNUNET_SCHEDULER_add_now (sched,
 220                                 &stop_fs_task,
 221                                 NULL);
 222       break;
 223     case GNUNET_FS_STATUS_DOWNLOAD_START:
 224       GNUNET_assert (download == NULL);
 225       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 226       GNUNET_assert (NULL == event->value.download.pctx);
 227       GNUNET_assert (NULL != event->value.download.uri);
 228       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 229       GNUNET_assert (FILESIZE == event->value.download.size);
 230       GNUNET_assert (0 == event->value.download.completed);
 231       GNUNET_assert (1 == event->value.download.anonymity);
 232       break;
 233     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 234       GNUNET_assert (download == event->value.download.dc);
 235       GNUNET_SCHEDULER_add_continuation (sched,
 236                                          &abort_publish_task,
 237                                          NULL,
 238                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 239       break;
 240     default:
 241       printf ("Unexpected event: %d\n",
 242               event->status);
 243       break;
 244     }
 245   return NULL;
 246 }
 247
 248
 249 static void
 250 setup_peer (struct PeerContext *p, const char *cfgname)
 251 {
 252   p->cfg = GNUNET_CONFIGURATION_create ();
 253 #if START_ARM
 254   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 255                                         "gnunet-service-arm",
 256 #if VERBOSE
 257                                         "-L", "DEBUG",
 258 #endif
 259                                         "-c", cfgname, NULL);
 260 #endif
 261   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 262 }
 263
 264
 265 static void
 266 stop_arm (struct PeerContext *p)
 267 {
 268 #if START_ARM
 269   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 270     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 271   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 272     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 273   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 274               "ARM process %u stopped\n", p->arm_pid);
 275 #endif
 276   GNUNET_CONFIGURATION_destroy (p->cfg);
 277 }
 278
 279
 280 static void
 281 run (void *cls,
 282      struct GNUNET_SCHEDULER_Handle *s,
 283      char *const *args,
 284      const char *cfgfile,
 285      const struct GNUNET_CONFIGURATION_Handle *cfg)
 286 {
 287   const char *keywords[] = {
 288     "down_foo",
 289     "down_bar",
 290   };
 291   char *buf;
 292   struct GNUNET_CONTAINER_MetaData *meta;
 293   struct GNUNET_FS_Uri *kuri;
 294   struct GNUNET_FS_FileInformation *fi;
 295   size_t i;
 296
 297   sched = s;
 298   setup_peer (&p1, "test_fs_download_data.conf");
 299   fs = GNUNET_FS_start (sched,
 300                         cfg,
 301                         "test-fs-download-indexed",
 302                         &progress_cb,
 303                         NULL,
 304                         GNUNET_FS_FLAGS_NONE,
 305                         GNUNET_FS_OPTIONS_END);
 306   GNUNET_assert (NULL != fs);
 307
 308   fn1 = GNUNET_DISK_mktemp ("gnunet-download-indexed-test");
 309   buf = GNUNET_malloc (FILESIZE);
 310   for (i = 0; i < FILESIZE; i++)
 311     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 312   GNUNET_assert (FILESIZE ==
 313                  GNUNET_DISK_fn_write (fn1,
 314                                        buf,
 315                                        FILESIZE,
 316                                        GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE));
 317   GNUNET_free (buf);
 318   meta = GNUNET_CONTAINER_meta_data_create ();
 319   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 320   fi = GNUNET_FS_file_information_create_from_file (fs,
 321                                                     "publish-context",
 322                                                     fn1,
 323                                                     kuri,
 324                                                     meta,
 325                                                     GNUNET_YES,
 326                                                     1,
 327                                                     42,
 328                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 329   GNUNET_FS_uri_destroy (kuri);
 330   GNUNET_CONTAINER_meta_data_destroy (meta);
 331   GNUNET_assert (NULL != fi);
 332   timeout_kill = GNUNET_SCHEDULER_add_delayed (sched,
 333                                                TIMEOUT,
 334                                                &timeout_kill_task,
 335                                                NULL);
 336   start = GNUNET_TIME_absolute_get ();
 337   publish = GNUNET_FS_publish_start (fs,
 338                                     fi,
 339                                     NULL, NULL, NULL,
 340                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 341   GNUNET_assert (publish != NULL);
 342 }
 343
 344
 345 int
 346 main (int argc, char *argv[])
 347 {
 348   char *const argvx[] = {
 349     "test-fs-download-indexed",
 350     "-c",
 351     "test_fs_download_data.conf",
 352 #if VERBOSE
 353     "-L", "DEBUG",
 354 #endif
 355     NULL
 356   };
 357   struct GNUNET_GETOPT_CommandLineOption options[] = {
 358     GNUNET_GETOPT_OPTION_END
 359   };
 360
 361   GNUNET_log_setup ("test_fs_download_indexed",
 362 #if VERBOSE
 363                     "DEBUG",
 364 #else
 365                     "WARNING",
 366 #endif
 367                     NULL);
 368   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 369                       argvx, "test-fs-download-indexed",
 370                       "nohelp", options, &run, NULL);
 371   stop_arm (&p1);
 372   if (fn1 != NULL)
 373     {
 374       GNUNET_DISK_directory_remove (fn1);
 375       GNUNET_free (fn1);
 376     }
 377   if (fn != NULL)
 378     {
 379       GNUNET_DISK_directory_remove (fn);
 380       GNUNET_free (fn);
 381     }
 382   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 383   return err;
 384 }
 385
 386 /* end of test_fs_download_indexed.c */