src/fs/test_gnunet_service_fs_migration.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2010, 2012, 2015 GNUnet e.V.
   4
   5      GNUnet is free software: you can redistribute it and/or modify it
   6      under the terms of the GNU Affero General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your 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      Affero General Public License for more details.
  14
  15      You should have received a copy of the GNU Affero General Public License
  16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18      SPDX-License-Identifier: AGPL3.0-or-later
  19 */
  20
  21 /**
  22  * @file fs/test_gnunet_service_fs_migration.c
  23  * @brief test content migration between two peers
  24  * @author Christian Grothoff
  25  */
  26 #include "platform.h"
  27 #include "fs_test_lib.h"
  28 #include "gnunet_testbed_service.h"
  29
  30 #define VERBOSE GNUNET_NO
  31
  32 /**
  33  * File-size we use for testing.
  34  */
  35 #define FILESIZE (2 * 32 * 1024)
  36
  37 /**
  38  * How long until we give up on transmitting the message?
  39  */
  40 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
  41
  42 /**
  43  * How long do we give the peers for content migration?
  44  */
  45 #define MIGRATION_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90)
  46
  47 #define SEED 42
  48
  49 static struct GNUNET_TESTBED_Peer *daemons[2];
  50
  51 static int ok;
  52
  53 static struct GNUNET_TIME_Absolute start_time;
  54
  55 static struct GNUNET_TESTBED_Operation *op;
  56
  57
  58 struct DownloadContext
  59 {
  60   char *fn;
  61
  62   struct GNUNET_FS_Uri *uri;
  63 };
  64
  65
  66 static void
  67 do_stop (void *cls)
  68 {
  69   struct GNUNET_TIME_Relative del;
  70   char *fancy;
  71
  72   GNUNET_SCHEDULER_shutdown ();
  73   if (0 ==
  74       GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_add (start_time,
  75                                                                     TIMEOUT)).rel_value_us)
  76   {
  77     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  78                 "Timeout during download, shutting down with error\n");
  79     ok = 1;
  80   }
  81   else
  82   {
  83     del = GNUNET_TIME_absolute_get_duration (start_time);
  84     if (del.rel_value_us == 0)
  85       del.rel_value_us = 1;
  86     fancy =
  87         GNUNET_STRINGS_byte_size_fancy (((unsigned long long) FILESIZE) *
  88                                         1000000LL / del.rel_value_us);
  89     FPRINTF (stdout,
  90              "Download speed was %s/s\n",
  91              fancy);
  92     GNUNET_free (fancy);
  93     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  94                 "Finished download, shutting down\n");
  95   }
  96 }
  97
  98
  99 static void
 100 do_download (void *cls,
 101              const char *emsg)
 102 {
 103   struct DownloadContext *dc = cls;
 104   struct GNUNET_FS_Uri *uri = dc->uri;
 105
 106   GNUNET_TESTBED_operation_done (op);
 107   op = NULL;
 108   if (NULL != dc->fn)
 109   {
 110     GNUNET_DISK_directory_remove (dc->fn);
 111     GNUNET_free (dc->fn);
 112   }
 113   GNUNET_free (dc);
 114   if (NULL != emsg)
 115   {
 116     GNUNET_SCHEDULER_shutdown ();
 117     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 118                 "Failed to stop source daemon: %s\n",
 119                 emsg);
 120     GNUNET_FS_uri_destroy (uri);
 121     ok = 1;
 122     return;
 123   }
 124   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 125               "Downloading %llu bytes\n",
 126               (unsigned long long) FILESIZE);
 127   start_time = GNUNET_TIME_absolute_get ();
 128   GNUNET_FS_TEST_download (daemons[0],
 129                            TIMEOUT,
 130                            1,
 131                            SEED,
 132                            uri,
 133                            VERBOSE,
 134                            &do_stop,
 135                            NULL);
 136   GNUNET_FS_uri_destroy (uri);
 137 }
 138
 139
 140 static void
 141 stop_source_peer (void *cls)
 142 {
 143   struct DownloadContext *dc = cls;
 144
 145   /* FIXME: We should not interact with testbed when shutting down */
 146   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 147               "Stopping source peer\n");
 148   op = GNUNET_TESTBED_peer_stop (NULL,
 149                                  daemons[1],
 150                                  &do_download, dc);
 151   GNUNET_assert (NULL != op);
 152 }
 153
 154
 155 static void
 156 do_wait (void *cls,
 157          const struct GNUNET_FS_Uri *uri,
 158          const char *fn)
 159 {
 160   struct DownloadContext *dc;
 161
 162   if (NULL == uri)
 163   {
 164     GNUNET_SCHEDULER_shutdown ();
 165     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 166                 "Timeout during upload attempt, shutting down with error\n");
 167     ok = 1;
 168     return;
 169   }
 170   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 171               "Waiting to allow content to migrate\n");
 172   dc = GNUNET_new (struct DownloadContext);
 173   dc->uri = GNUNET_FS_uri_dup (uri);
 174   if (NULL != fn)
 175     dc->fn = GNUNET_strdup (fn);
 176   (void) GNUNET_SCHEDULER_add_delayed (MIGRATION_DELAY,
 177                                        &stop_source_peer,
 178                                        dc);
 179 }
 180
 181
 182 static void
 183 do_publish (void *cls,
 184             struct GNUNET_TESTBED_RunHandle *h,
 185             unsigned int num_peers,
 186             struct GNUNET_TESTBED_Peer **peers,
 187             unsigned int links_succeeded,
 188             unsigned int links_failed)
 189 {
 190   unsigned int i;
 191
 192   GNUNET_assert (2 == num_peers);
 193   for (i=0;i<num_peers;i++)
 194     daemons[i] = peers[i];
 195   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 196               "Publishing %llu bytes\n",
 197               (unsigned long long) FILESIZE);
 198   GNUNET_FS_TEST_publish (daemons[1], TIMEOUT, 1, GNUNET_NO,
 199                           FILESIZE, SEED,
 200                           VERBOSE, &do_wait, NULL);
 201 }
 202
 203
 204 int
 205 main (int argc,
 206       char *argv[])
 207 {
 208   (void) GNUNET_TESTBED_test_run ("test-gnunet-service-fs-migration",
 209                                   "fs_test_lib_data.conf",
 210                                   2,
 211                                   0, NULL, NULL,
 212                                   &do_publish,
 213                                   NULL);
 214   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-service-fs-migration/");
 215   return ok;
 216 }
 217
 218 /* end of test_gnunet_service_fs_migration.c */