src/fs/test_fs_download.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009, 2011 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 #include <gauger.h>
  32
  33 #define VERBOSE GNUNET_NO
  34
  35 #define START_ARM GNUNET_YES
  36
  37 /**
  38  * File-size we use for testing.
  39  */
  40 #define FILESIZE (1024 * 1024 * 2)
  41
  42 /**
  43  * How long until we give up on transmitting the message?
  44  */
  45 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  46
  47 /**
  48  * How long should our test-content live?
  49  */
  50 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  51
  52 struct PeerContext
  53 {
  54   struct GNUNET_CONFIGURATION_Handle *cfg;
  55 #if START_ARM
  56   struct GNUNET_OS_Process *arm_proc;
  57 #endif
  58 };
  59
  60 static struct PeerContext p1;
  61
  62 static struct GNUNET_TIME_Absolute start;
  63
  64 static struct GNUNET_FS_Handle *fs;
  65
  66 static struct GNUNET_FS_DownloadContext *download;
  67
  68 static struct GNUNET_FS_PublishContext *publish;
  69
  70 static GNUNET_SCHEDULER_TaskIdentifier timeout_kill;
  71
  72 static char *fn;
  73
  74 static int err;
  75
  76 static void
  77 timeout_kill_task (void *cls,
  78                    const struct GNUNET_SCHEDULER_TaskContext *tc)
  79 {
  80   if (download != NULL)
  81     {
  82       GNUNET_FS_download_stop (download, GNUNET_YES);
  83       download = NULL;
  84     }
  85   else if (publish != NULL)
  86     {
  87       GNUNET_FS_publish_stop (publish);
  88       publish = NULL;
  89     }
  90   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
  91               "Timeout downloading file\n");
  92   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  93   err = 1;
  94 }
  95
  96 static void
  97 abort_publish_task (void *cls,
  98                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  99 {
 100   if (publish != NULL)
 101     {
 102       GNUNET_FS_publish_stop (publish);
 103       publish = NULL;
 104     }
 105 }
 106
 107 static void
 108 stop_fs_task (void *cls,
 109               const struct GNUNET_SCHEDULER_TaskContext *tc)
 110 {
 111   GNUNET_FS_stop (fs);
 112   fs = NULL;
 113 }
 114
 115 static void
 116 abort_download_task (void *cls,
 117                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 118 {
 119   uint64_t size;
 120
 121   if (download != NULL)
 122     {
 123       GNUNET_FS_download_stop (download, GNUNET_YES);
 124       download = NULL;
 125     }
 126   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 127   GNUNET_assert (size == FILESIZE);
 128   GNUNET_DISK_directory_remove (fn);
 129   GNUNET_free (fn);
 130   fn = NULL;
 131   GNUNET_SCHEDULER_cancel (timeout_kill);
 132   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 133 }
 134
 135
 136 static void *
 137 progress_cb (void *cls,
 138              const struct GNUNET_FS_ProgressInfo *event)
 139 {
 140
 141   switch (event->status)
 142     {
 143     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 144 #if VERBOSE
 145       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 146               (unsigned long long) event->value.publish.completed,
 147               (unsigned long long) event->value.publish.size,
 148               event->value.publish.specifics.progress.depth,
 149               (unsigned long long) event->value.publish.specifics.progress.offset);
 150 #endif
 151       break;
 152     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 153       printf ("Publishing complete, %llu kb/s.\n",
 154               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 155       GAUGER ("FS",
 156               "Publishing speed (insertion)",
 157               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL),
 158               "kb/s");
 159       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 160       start = GNUNET_TIME_absolute_get ();
 161       download = GNUNET_FS_download_start (fs,
 162                                            event->value.publish.specifics.completed.chk_uri,
 163                                            NULL,
 164                                            fn, NULL,
 165                                            0,
 166                                            FILESIZE,
 167                                            1,
 168                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 169                                            "download",
 170                                            NULL);
 171       GNUNET_assert (download != NULL);
 172       break;
 173     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 174       printf ("Download complete,  %llu kb/s.\n",
 175               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 176       GAUGER ("FS",
 177               "Local download speed (inserted)",
 178               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL),
 179               "kb/s");
 180       GNUNET_SCHEDULER_add_now (&abort_download_task,
 181                                 NULL);
 182       break;
 183     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 184       GNUNET_assert (download == event->value.download.dc);
 185 #if VERBOSE
 186       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 187               (unsigned long long) event->value.download.completed,
 188               (unsigned long long) event->value.download.size,
 189               event->value.download.specifics.progress.depth,
 190               (unsigned long long) event->value.download.specifics.progress.offset);
 191 #endif
 192       break;
 193     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 194       fprintf (stderr,
 195                "Error publishing file: %s\n",
 196                event->value.publish.specifics.error.message);
 197       GNUNET_break (0);
 198       GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 199                                          NULL,
 200                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 201       break;
 202     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 203       fprintf (stderr,
 204                "Error downloading file: %s\n",
 205                event->value.download.specifics.error.message);
 206       GNUNET_SCHEDULER_add_now (&abort_download_task,
 207                                 NULL);
 208       break;
 209     case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 210     case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 211       break;
 212     case GNUNET_FS_STATUS_PUBLISH_START:
 213       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 214       GNUNET_assert (NULL == event->value.publish.pctx);
 215       GNUNET_assert (FILESIZE == event->value.publish.size);
 216       GNUNET_assert (0 == event->value.publish.completed);
 217       GNUNET_assert (1 == event->value.publish.anonymity);
 218       break;
 219     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 220       GNUNET_assert (publish == event->value.publish.pc);
 221       GNUNET_assert (FILESIZE == event->value.publish.size);
 222       GNUNET_assert (1 == event->value.publish.anonymity);
 223       GNUNET_SCHEDULER_add_now (&stop_fs_task,
 224                                 NULL);
 225       break;
 226     case GNUNET_FS_STATUS_DOWNLOAD_START:
 227       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 228       GNUNET_assert (NULL == event->value.download.pctx);
 229       GNUNET_assert (NULL != event->value.download.uri);
 230       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 231       GNUNET_assert (FILESIZE == event->value.download.size);
 232       GNUNET_assert (0 == event->value.download.completed);
 233       GNUNET_assert (1 == event->value.download.anonymity);
 234       break;
 235     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 236       GNUNET_assert (download == event->value.download.dc);
 237       GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 238                                          NULL,
 239                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 240       break;
 241     default:
 242       printf ("Unexpected event: %d\n",
 243               event->status);
 244       break;
 245     }
 246   return NULL;
 247 }
 248
 249
 250 static void
 251 setup_peer (struct PeerContext *p, const char *cfgname)
 252 {
 253   p->cfg = GNUNET_CONFIGURATION_create ();
 254 #if START_ARM
 255   p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 256                                         "gnunet-service-arm",
 257 #if VERBOSE
 258                                         "-L", "DEBUG",
 259 #endif
 260                                         "-c", cfgname, NULL);
 261 #endif
 262   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 263 }
 264
 265
 266 static void
 267 stop_arm (struct PeerContext *p)
 268 {
 269 #if START_ARM
 270   if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
 271     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 272   if (GNUNET_OS_process_wait(p->arm_proc) != GNUNET_OK)
 273     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 274   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 275               "ARM process %u stopped\n", GNUNET_OS_process_get_pid (p->arm_proc));
 276   GNUNET_OS_process_close (p->arm_proc);
 277   p->arm_proc = NULL;
 278 #endif
 279   GNUNET_CONFIGURATION_destroy (p->cfg);
 280 }
 281
 282
 283 static void
 284 run (void *cls,
 285      char *const *args,
 286      const char *cfgfile,
 287      const struct GNUNET_CONFIGURATION_Handle *cfg)
 288 {
 289   const char *keywords[] = {
 290     "down_foo",
 291     "down_bar",
 292   };
 293   char *buf;
 294   struct GNUNET_CONTAINER_MetaData *meta;
 295   struct GNUNET_FS_Uri *kuri;
 296   struct GNUNET_FS_FileInformation *fi;
 297   size_t i;
 298
 299   setup_peer (&p1, "test_fs_download_data.conf");
 300   fs = GNUNET_FS_start (cfg,
 301                         "test-fs-download",
 302                         &progress_cb,
 303                         NULL,
 304                         GNUNET_FS_FLAGS_NONE,
 305                         GNUNET_FS_OPTIONS_END);
 306   GNUNET_assert (NULL != fs);
 307   buf = GNUNET_malloc (FILESIZE);
 308   for (i = 0; i < FILESIZE; i++)
 309     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 310   meta = GNUNET_CONTAINER_meta_data_create ();
 311   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 312   fi = GNUNET_FS_file_information_create_from_data (fs,
 313                                                     "publish-context",
 314                                                     FILESIZE,
 315                                                     buf,
 316                                                     kuri,
 317                                                     meta,
 318                                                     GNUNET_NO,
 319                                                     1,
 320                                                     42,
 321                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 322   GNUNET_FS_uri_destroy (kuri);
 323   GNUNET_CONTAINER_meta_data_destroy (meta);
 324   GNUNET_assert (NULL != fi);
 325   timeout_kill = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 326                                                &timeout_kill_task,
 327                                                NULL);
 328   start = GNUNET_TIME_absolute_get ();
 329   publish = GNUNET_FS_publish_start (fs,
 330                                     fi,
 331                                     NULL, NULL, NULL,
 332                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 333   GNUNET_assert (publish != NULL);
 334 }
 335
 336
 337 int
 338 main (int argc, char *argv[])
 339 {
 340   char *const argvx[] = {
 341     "test-fs-download",
 342     "-c",
 343     "test_fs_download_data.conf",
 344 #if VERBOSE
 345     "-L", "DEBUG",
 346 #endif
 347     NULL
 348   };
 349   struct GNUNET_GETOPT_CommandLineOption options[] = {
 350     GNUNET_GETOPT_OPTION_END
 351   };
 352
 353   GNUNET_log_setup ("test_fs_download",
 354 #if VERBOSE
 355                     "DEBUG",
 356 #else
 357                     "WARNING",
 358 #endif
 359                     NULL);
 360   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 361                       argvx, "test-fs-download",
 362                       "nohelp", options, &run, NULL);
 363   stop_arm (&p1);
 364   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 365   return err;
 366 }
 367
 368 /* end of test_fs_download.c */