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 DEBUG_VERBOSE 42
  33 //GNUNET_NO
  34
  35 #define START_ARM GNUNET_YES
  36
  37 #define FILESIZE (1024 * 1024 * 2)
  38
  39 /**
  40  * How long until we give up on transmitting the message?
  41  */
  42 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
  43
  44 /**
  45  * How long should our test-content live?
  46  */
  47 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  48
  49 struct PeerContext
  50 {
  51   struct GNUNET_CONFIGURATION_Handle *cfg;
  52   struct GNUNET_PeerIdentity id;
  53 #if START_ARM
  54   pid_t arm_pid;
  55 #endif
  56 };
  57
  58 static struct PeerContext p1;
  59
  60
  61 static struct GNUNET_SCHEDULER_Handle *sched;
  62
  63 static struct GNUNET_FS_Handle *fs;
  64
  65 static struct GNUNET_FS_DownloadContext *download;
  66
  67 static struct GNUNET_FS_PublishContext *publish;
  68
  69 static char *fn;
  70
  71
  72 static void
  73 abort_download_task (void *cls,
  74                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  75 {
  76   GNUNET_FS_download_stop (download, GNUNET_YES);
  77   download = NULL;
  78 }
  79
  80
  81 static void
  82 abort_publish_task (void *cls,
  83                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  84 {
  85   GNUNET_FS_publish_stop (publish);
  86   publish = NULL;
  87 }
  88
  89
  90 static void *
  91 progress_cb (void *cls,
  92              const struct GNUNET_FS_ProgressInfo *event)
  93 {
  94
  95   switch (event->status)
  96     {
  97     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
  98 #if DEBUG_VERBOSE
  99       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 100               (unsigned long long) event->value.publish.completed,
 101               (unsigned long long) event->value.publish.size,
 102               event->value.publish.specifics.progress.depth,
 103               (unsigned long long) event->value.publish.specifics.progress.offset);
 104 #endif
 105       break;
 106     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 107 #if DEBUG_VERBOSE
 108       printf ("Publish complete.\n");
 109 #endif
 110       GNUNET_SCHEDULER_add_continuation (sched,
 111                                          GNUNET_NO,
 112                                          &abort_publish_task,
 113                                          NULL,
 114                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 115       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dstXXXXXX");
 116       download = GNUNET_FS_download_start (fs,
 117                                            event->value.publish.specifics.completed.chk_uri,
 118                                            NULL,
 119                                            fn,
 120                                            0,
 121                                            FILESIZE,
 122                                            1,
 123                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 124                                            NULL);
 125       GNUNET_assert (download != NULL);
 126       break;
 127     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 128 #if DEBUG_VERBOSE
 129       printf ("Download complete.\n");
 130 #endif
 131       GNUNET_SCHEDULER_add_continuation (sched,
 132                                          GNUNET_NO,
 133                                          &abort_download_task,
 134                                          NULL,
 135                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 136       break;
 137     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 138 #if DEBUG_VERBOSE
 139       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 140               (unsigned long long) event->value.download.completed,
 141               (unsigned long long) event->value.download.size,
 142               event->value.download.specifics.progress.depth,
 143               (unsigned long long) event->value.download.specifics.progress.offset);
 144 #endif
 145       break;
 146     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 147       fprintf (stderr,
 148                "Error publishing file: %s\n",
 149                event->value.publish.specifics.error.message);
 150       GNUNET_break (0);
 151       GNUNET_SCHEDULER_add_continuation (sched,
 152                                          GNUNET_NO,
 153                                          &abort_publish_task,
 154                                          NULL,
 155                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 156       break;
 157     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 158       fprintf (stderr,
 159                "Error downloading file: %s\n",
 160                event->value.download.specifics.error.message);
 161       GNUNET_SCHEDULER_add_continuation (sched,
 162                                          GNUNET_NO,
 163                                          &abort_download_task,
 164                                          NULL,
 165                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 166       break;
 167     case GNUNET_FS_STATUS_PUBLISH_START:
 168       /* FIXME: add checks here... */
 169       break;
 170     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 171       /* FIXME: add checks here... */
 172       break;
 173     case GNUNET_FS_STATUS_DOWNLOAD_START:
 174       /* FIXME: add checks here... */
 175       break;
 176     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 177       /* FIXME: add checks here... */
 178       GNUNET_FS_stop (fs);
 179       fs = NULL;
 180       break;
 181     default:
 182       printf ("Unexpected event: %d\n",
 183               event->status);
 184       break;
 185     }
 186   return NULL;
 187 }
 188
 189
 190 static void
 191 setup_peer (struct PeerContext *p, const char *cfgname)
 192 {
 193   p->cfg = GNUNET_CONFIGURATION_create ();
 194 #if START_ARM
 195   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 196                                         "gnunet-service-arm",
 197 #if VERBOSE
 198                                         "-L", "DEBUG",
 199 #endif
 200                                         "-c", cfgname, NULL);
 201   sleep (1);                    /* allow ARM to start */
 202 #endif
 203   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 204   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 205 }
 206
 207
 208 static void
 209 stop_arm (struct PeerContext *p)
 210 {
 211 #if START_ARM
 212   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 213     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 214   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 215     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 216   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 217               "ARM process %u stopped\n", p->arm_pid);
 218 #endif
 219   GNUNET_CONFIGURATION_destroy (p->cfg);
 220 }
 221
 222
 223 static void
 224 run (void *cls,
 225      struct GNUNET_SCHEDULER_Handle *s,
 226      char *const *args,
 227      const char *cfgfile,
 228      const struct GNUNET_CONFIGURATION_Handle *cfg)
 229 {
 230   const char *keywords[] = {
 231     "down_foo",
 232     "down_bar",
 233   };
 234   char *buf;
 235   struct GNUNET_CONTAINER_MetaData *meta;
 236   struct GNUNET_FS_Uri *kuri;
 237   struct GNUNET_FS_FileInformation *fi;
 238   size_t i;
 239
 240   sched = s;
 241   setup_peer (&p1, "test_fs_download_data.conf");
 242   fs = GNUNET_FS_start (sched,
 243                         cfg,
 244                         "test-fs-download",
 245                         &progress_cb,
 246                         NULL,
 247                         GNUNET_FS_FLAGS_NONE,
 248                         GNUNET_FS_OPTIONS_END);
 249   GNUNET_assert (NULL != fs);
 250   buf = GNUNET_malloc (FILESIZE);
 251   for (i = 0; i < FILESIZE; i++)
 252     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 253   meta = GNUNET_CONTAINER_meta_data_create ();
 254   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 255   fi = GNUNET_FS_file_information_create_from_data ("file-to-publish",
 256                                                     FILESIZE,
 257                                                     buf,
 258                                                     kuri,
 259                                                     meta,
 260                                                     GNUNET_NO,
 261                                                     1,
 262                                                     42,
 263                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 264   GNUNET_FS_uri_destroy (kuri);
 265   GNUNET_CONTAINER_meta_data_destroy (meta);
 266   GNUNET_assert (NULL != fi);
 267   publish = GNUNET_FS_publish_start (fs,
 268                                     "publish-context",
 269                                     fi,
 270                                     NULL, NULL, NULL,
 271                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 272   GNUNET_assert (publish != NULL);
 273 }
 274
 275
 276 int
 277 main (int argc, char *argv[])
 278 {
 279   char *const argvx[] = {
 280     "test-fs-download",
 281     "-c",
 282     "test_fs_download_data.conf",
 283 #if VERBOSE
 284     "-L", "DEBUG",
 285 #endif
 286     NULL
 287   };
 288   struct GNUNET_GETOPT_CommandLineOption options[] = {
 289     GNUNET_GETOPT_OPTION_END
 290   };
 291
 292   GNUNET_log_setup ("test_fs_download",
 293 #if VERBOSE
 294                     "DEBUG",
 295 #else
 296                     "WARNING",
 297 #endif
 298                     NULL);
 299   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 300                       argvx, "test-fs-download",
 301                       "nohelp", options, &run, NULL);
 302   stop_arm (&p1);
 303   return 0;
 304 }
 305
 306 /* end of test_fs_download.c */