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, 15)
  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   struct GNUNET_PeerIdentity id;
  55 #if START_ARM
  56   pid_t arm_pid;
  57 #endif
  58 };
  59
  60 static struct PeerContext p1;
  61
  62 static struct GNUNET_TIME_Absolute start;
  63
  64 static struct GNUNET_SCHEDULER_Handle *sched;
  65
  66 static struct GNUNET_FS_Handle *fs;
  67
  68 static struct GNUNET_FS_DownloadContext *download;
  69
  70 static struct GNUNET_FS_PublishContext *publish;
  71
  72 static char *fn;
  73
  74
  75 static void
  76 abort_publish_task (void *cls,
  77                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   GNUNET_FS_publish_stop (publish);
  80   publish = NULL;
  81 }
  82
  83
  84 static void
  85 abort_download_task (void *cls,
  86                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  87 {
  88   GNUNET_FS_download_stop (download, GNUNET_YES);
  89   download = NULL;
  90 }
  91
  92
  93 static void *
  94 progress_cb (void *cls,
  95              const struct GNUNET_FS_ProgressInfo *event)
  96 {
  97
  98   switch (event->status)
  99     {
 100     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 101 #if VERBOSE
 102       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 103               (unsigned long long) event->value.publish.completed,
 104               (unsigned long long) event->value.publish.size,
 105               event->value.publish.specifics.progress.depth,
 106               (unsigned long long) event->value.publish.specifics.progress.offset);
 107 #endif
 108       break;
 109     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 110       printf ("Publishing complete, %llu kbps.\n",
 111               (unsigned long long) (FILESIZE * 1000 / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024));
 112       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dstXXXXXX");
 113       start = GNUNET_TIME_absolute_get ();
 114       download = GNUNET_FS_download_start (fs,
 115                                            event->value.publish.specifics.completed.chk_uri,
 116                                            NULL,
 117                                            fn,
 118                                            0,
 119                                            FILESIZE,
 120                                            1,
 121                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 122                                            NULL);
 123       GNUNET_assert (download != NULL);
 124       break;
 125     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 126       printf ("Download complete,  %llu kbps.\n",
 127               (unsigned long long) (FILESIZE * 1000 / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024));
 128       GNUNET_SCHEDULER_add_continuation (sched,
 129                                          GNUNET_NO,
 130                                          &abort_download_task,
 131                                          NULL,
 132                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 133       break;
 134     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 135 #if VERBOSE
 136       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 137               (unsigned long long) event->value.download.completed,
 138               (unsigned long long) event->value.download.size,
 139               event->value.download.specifics.progress.depth,
 140               (unsigned long long) event->value.download.specifics.progress.offset);
 141 #endif
 142       break;
 143     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 144       fprintf (stderr,
 145                "Error publishing file: %s\n",
 146                event->value.publish.specifics.error.message);
 147       GNUNET_break (0);
 148       GNUNET_SCHEDULER_add_continuation (sched,
 149                                          GNUNET_NO,
 150                                          &abort_publish_task,
 151                                          NULL,
 152                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 153       break;
 154     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 155       fprintf (stderr,
 156                "Error downloading file: %s\n",
 157                event->value.download.specifics.error.message);
 158       GNUNET_SCHEDULER_add_continuation (sched,
 159                                          GNUNET_NO,
 160                                          &abort_download_task,
 161                                          NULL,
 162                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 163       break;
 164     case GNUNET_FS_STATUS_PUBLISH_START:
 165       /* FIXME: add checks here... */
 166       break;
 167     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 168       /* FIXME: add checks here... */
 169       GNUNET_FS_stop (fs);
 170       fs = NULL;
 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_SCHEDULER_add_continuation (sched,
 178                                          GNUNET_NO,
 179                                          &abort_publish_task,
 180                                          NULL,
 181                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 182       break;
 183     default:
 184       printf ("Unexpected event: %d\n",
 185               event->status);
 186       break;
 187     }
 188   return NULL;
 189 }
 190
 191
 192 static void
 193 setup_peer (struct PeerContext *p, const char *cfgname)
 194 {
 195   p->cfg = GNUNET_CONFIGURATION_create ();
 196 #if START_ARM
 197   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 198                                         "gnunet-service-arm",
 199 #if VERBOSE
 200                                         "-L", "DEBUG",
 201 #endif
 202                                         "-c", cfgname, NULL);
 203   sleep (1);                    /* allow ARM to start */
 204 #endif
 205   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 206   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 207 }
 208
 209
 210 static void
 211 stop_arm (struct PeerContext *p)
 212 {
 213 #if START_ARM
 214   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 215     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 216   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 217     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 218   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 219               "ARM process %u stopped\n", p->arm_pid);
 220 #endif
 221   GNUNET_CONFIGURATION_destroy (p->cfg);
 222 }
 223
 224
 225 static void
 226 run (void *cls,
 227      struct GNUNET_SCHEDULER_Handle *s,
 228      char *const *args,
 229      const char *cfgfile,
 230      const struct GNUNET_CONFIGURATION_Handle *cfg)
 231 {
 232   const char *keywords[] = {
 233     "down_foo",
 234     "down_bar",
 235   };
 236   char *buf;
 237   struct GNUNET_CONTAINER_MetaData *meta;
 238   struct GNUNET_FS_Uri *kuri;
 239   struct GNUNET_FS_FileInformation *fi;
 240   size_t i;
 241
 242   sched = s;
 243   setup_peer (&p1, "test_fs_download_data.conf");
 244   fs = GNUNET_FS_start (sched,
 245                         cfg,
 246                         "test-fs-download",
 247                         &progress_cb,
 248                         NULL,
 249                         GNUNET_FS_FLAGS_NONE,
 250                         GNUNET_FS_OPTIONS_END);
 251   GNUNET_assert (NULL != fs);
 252   buf = GNUNET_malloc (FILESIZE);
 253   for (i = 0; i < FILESIZE; i++)
 254     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 255   meta = GNUNET_CONTAINER_meta_data_create ();
 256   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 257   fi = GNUNET_FS_file_information_create_from_data ("file-to-publish",
 258                                                     FILESIZE,
 259                                                     buf,
 260                                                     kuri,
 261                                                     meta,
 262                                                     GNUNET_NO,
 263                                                     1,
 264                                                     42,
 265                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 266   GNUNET_FS_uri_destroy (kuri);
 267   GNUNET_CONTAINER_meta_data_destroy (meta);
 268   GNUNET_assert (NULL != fi);
 269   start = GNUNET_TIME_absolute_get ();
 270   publish = GNUNET_FS_publish_start (fs,
 271                                     "publish-context",
 272                                     fi,
 273                                     NULL, NULL, NULL,
 274                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 275   GNUNET_assert (publish != NULL);
 276 }
 277
 278
 279 int
 280 main (int argc, char *argv[])
 281 {
 282   char *const argvx[] = {
 283     "test-fs-download",
 284     "-c",
 285     "test_fs_download_data.conf",
 286 #if VERBOSE
 287     "-L", "DEBUG",
 288 #endif
 289     NULL
 290   };
 291   struct GNUNET_GETOPT_CommandLineOption options[] = {
 292     GNUNET_GETOPT_OPTION_END
 293   };
 294
 295   GNUNET_log_setup ("test_fs_download",
 296 #if VERBOSE
 297                     "DEBUG",
 298 #else
 299                     "WARNING",
 300 #endif
 301                     NULL);
 302   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 303                       argvx, "test-fs-download",
 304                       "nohelp", options, &run, NULL);
 305   stop_arm (&p1);
 306   return 0;
 307 }
 308
 309 /* end of test_fs_download.c */