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 download
  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 #define FILESIZE (1024 * 1024 * 2)
  37
  38 /**
  39  * How long until we give up on transmitting the message?
  40  */
  41 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
  42
  43 /**
  44  * How long should our test-content live?
  45  */
  46 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  47
  48 struct PeerContext
  49 {
  50   struct GNUNET_CONFIGURATION_Handle *cfg;
  51   struct GNUNET_PeerIdentity id;
  52 #if START_ARM
  53   pid_t arm_pid;
  54 #endif
  55 };
  56
  57 static struct PeerContext p1;
  58
  59
  60 static struct GNUNET_SCHEDULER_Handle *sched;
  61
  62 static struct GNUNET_FS_Handle *fs;
  63
  64 static struct GNUNET_FS_DownloadContext *download;
  65
  66 static struct GNUNET_FS_PublishContext *publish;
  67
  68 static char *fn;
  69
  70
  71 static void
  72 abort_download_task (void *cls,
  73                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  74 {
  75   GNUNET_FS_download_stop (download, GNUNET_YES);
  76   download = NULL;
  77 }
  78
  79
  80 static void
  81 abort_publish_task (void *cls,
  82                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  83 {
  84   GNUNET_FS_publish_stop (publish);
  85   publish = NULL;
  86 }
  87
  88
  89 static void *
  90 progress_cb (void *cls,
  91              const struct GNUNET_FS_ProgressInfo *event)
  92 {
  93
  94   switch (event->status)
  95     {
  96     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
  97 #if VERBOSE
  98       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
  99               (unsigned long long) event->value.publish.completed,
 100               (unsigned long long) event->value.publish.size,
 101               event->value.publish.specifics.progress.depth,
 102               (unsigned long long) event->value.publish.specifics.progress.offset);
 103 #endif
 104       break;
 105     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 106 #if VERBOSE
 107       printf ("Publish complete.\n");
 108 #endif
 109       GNUNET_SCHEDULER_add_continuation (sched,
 110                                          GNUNET_NO,
 111                                          &abort_publish_task,
 112                                          NULL,
 113                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 114       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dstXXXXXX");
 115       download = GNUNET_FS_download_start (fs,
 116                                            event->value.publish.specifics.completed.chk_uri,
 117                                            NULL,
 118                                            fn,
 119                                            0,
 120                                            FILESIZE,
 121                                            1,
 122                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 123                                            NULL);
 124       GNUNET_assert (download != NULL);
 125       break;
 126     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 127 #if VERBOSE
 128       printf ("Download complete.\n");
 129 #endif
 130       GNUNET_SCHEDULER_add_continuation (sched,
 131                                          GNUNET_NO,
 132                                          &abort_download_task,
 133                                          NULL,
 134                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 135       break;
 136     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 137 #if VERBOSE
 138       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 139               (unsigned long long) event->value.download.completed,
 140               (unsigned long long) event->value.download.size,
 141               event->value.download.specifics.progress.depth,
 142               (unsigned long long) event->value.download.specifics.progress.offset);
 143 #endif
 144       break;
 145     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 146       fprintf (stderr,
 147                "Error publishing file: %s\n",
 148                event->value.publish.specifics.error.message);
 149       GNUNET_break (0);
 150       GNUNET_SCHEDULER_add_continuation (sched,
 151                                          GNUNET_NO,
 152                                          &abort_publish_task,
 153                                          NULL,
 154                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 155       break;
 156     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 157       fprintf (stderr,
 158                "Error downloading file: %s\n",
 159                event->value.download.specifics.error.message);
 160       GNUNET_SCHEDULER_add_continuation (sched,
 161                                          GNUNET_NO,
 162                                          &abort_download_task,
 163                                          NULL,
 164                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 165       break;
 166     case GNUNET_FS_STATUS_PUBLISH_START:
 167       /* FIXME: add checks here... */
 168       break;
 169     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 170       /* FIXME: add checks here... */
 171       break;
 172     case GNUNET_FS_STATUS_DOWNLOAD_START:
 173       /* FIXME: add checks here... */
 174       break;
 175     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 176       /* FIXME: add checks here... */
 177       GNUNET_FS_stop (fs);
 178       fs = NULL;
 179       break;
 180     default:
 181       printf ("Unexpected event: %d\n",
 182               event->status);
 183       break;
 184     }
 185   return NULL;
 186 }
 187
 188
 189 static void
 190 setup_peer (struct PeerContext *p, const char *cfgname)
 191 {
 192   p->cfg = GNUNET_CONFIGURATION_create ();
 193 #if START_ARM
 194   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 195                                         "gnunet-service-arm",
 196 #if VERBOSE
 197                                         "-L", "DEBUG",
 198 #endif
 199                                         "-c", cfgname, NULL);
 200   sleep (1);                    /* allow ARM to start */
 201 #endif
 202   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 203   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 204 }
 205
 206
 207 static void
 208 stop_arm (struct PeerContext *p)
 209 {
 210 #if START_ARM
 211   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 212     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 213   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 214     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 215   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 216               "ARM process %u stopped\n", p->arm_pid);
 217 #endif
 218   GNUNET_CONFIGURATION_destroy (p->cfg);
 219 }
 220
 221
 222 static void
 223 run (void *cls,
 224      struct GNUNET_SCHEDULER_Handle *s,
 225      char *const *args,
 226      const char *cfgfile,
 227      const struct GNUNET_CONFIGURATION_Handle *cfg)
 228 {
 229   const char *keywords[] = {
 230     "down_foo",
 231     "down_bar",
 232   };
 233   char *buf;
 234   struct GNUNET_CONTAINER_MetaData *meta;
 235   struct GNUNET_FS_Uri *kuri;
 236   struct GNUNET_FS_FileInformation *fi;
 237   size_t i;
 238
 239   sched = s;
 240   setup_peer (&p1, "test_fs_download_data.conf");
 241   fs = GNUNET_FS_start (sched,
 242                         cfg,
 243                         "test-fs-download",
 244                         &progress_cb,
 245                         NULL,
 246                         GNUNET_FS_FLAGS_NONE,
 247                         GNUNET_FS_OPTIONS_END);
 248   GNUNET_assert (NULL != fs);
 249   buf = GNUNET_malloc (FILESIZE);
 250   for (i = 0; i < FILESIZE; i++)
 251     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 252   meta = GNUNET_CONTAINER_meta_data_create ();
 253   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 254   fi = GNUNET_FS_file_information_create_from_data ("file-to-publish",
 255                                                     FILESIZE,
 256                                                     buf,
 257                                                     kuri,
 258                                                     meta,
 259                                                     GNUNET_NO,
 260                                                     1,
 261                                                     42,
 262                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 263   GNUNET_FS_uri_destroy (kuri);
 264   GNUNET_CONTAINER_meta_data_destroy (meta);
 265   GNUNET_assert (NULL != fi);
 266   publish = GNUNET_FS_publish_start (fs,
 267                                     "publish-context",
 268                                     fi,
 269                                     NULL, NULL, NULL,
 270                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 271   GNUNET_assert (publish != NULL);
 272 }
 273
 274
 275 int
 276 main (int argc, char *argv[])
 277 {
 278   char *const argvx[] = {
 279     "test-fs-download",
 280     "-c",
 281     "test_fs_download_data.conf",
 282 #if VERBOSE
 283     "-L", "DEBUG",
 284 #endif
 285     NULL
 286   };
 287   struct GNUNET_GETOPT_CommandLineOption options[] = {
 288     GNUNET_GETOPT_OPTION_END
 289   };
 290
 291   GNUNET_log_setup ("test_fs_download",
 292 #if VERBOSE
 293                     "DEBUG",
 294 #else
 295                     "WARNING",
 296 #endif
 297                     NULL);
 298   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 299                       argvx, "test-fs-download",
 300                       "nohelp", options, &run, NULL);
 301   stop_arm (&p1);
 302   return 0;
 303 }
 304
 305 /* end of test_fs_download.c */