src/fs/perf_gnunet_service_fs_p2p.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2010 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/perf_gnunet_service_fs_p2p.c
  23  * @brief profile P2P routing using simple publish + download operation
  24  * @author Christian Grothoff
  25  */
  26 #include "platform.h"
  27 #include "fs_test_lib.h"
  28 #include "gnunet_testing_lib.h"
  29
  30 #define VERBOSE GNUNET_NO
  31
  32 /**
  33  * File-size we use for testing.
  34  */
  35 #define FILESIZE (1024 * 1024 * 1)
  36
  37 /**
  38  * How long until we give up on transmitting the message?
  39  */
  40 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 3)
  41
  42 #define NUM_DAEMONS 2
  43
  44 #define SEED 42
  45
  46 static struct GNUNET_FS_TestDaemon *daemons[NUM_DAEMONS];
  47
  48 static struct GNUNET_SCHEDULER_Handle *sched;
  49
  50 static int ok;
  51
  52 static struct GNUNET_TIME_Absolute start_time;
  53
  54 static void
  55 do_stop (void *cls,
  56          const struct GNUNET_SCHEDULER_TaskContext *tc)
  57 {
  58   GNUNET_FS_TEST_daemons_stop (sched,
  59                                NUM_DAEMONS,
  60                                daemons);
  61 }
  62
  63
  64 /**
  65  * Master context for 'stat_run'.
  66  */
  67 struct StatMaster
  68 {
  69   struct GNUNET_STATISTICS_Handle *stat;
  70   unsigned int daemon;
  71   unsigned int value;
  72 };
  73
  74 struct StatValues
  75 {
  76   const char *subsystem;
  77   const char *name;
  78 };
  79
  80 /**
  81  * Statistics we print out.
  82  */
  83 static struct StatValues stats[] =
  84   {
  85     { "fs", "queries forwarded"},
  86     { "fs", "replies received and matched"},
  87     { "core", "bytes decrypted"},
  88     { "core", "bytes encrypted"},
  89     { "transport", "bytes received via TCP"},
  90     { "transport", "bytes transmitted via TCP"},
  91     { "datacache", "bytes stored"},
  92     { "dht", "DHT ROUTE Requests Seen"},
  93     { "dht", "DHT ROUTE Requests Forwarded"},
  94     { NULL, NULL}
  95   };
  96
  97
  98 /**
  99  * Callback function to process statistic values.
 100  *
 101  * @param cls closure
 102  * @param subsystem name of subsystem that created the statistic
 103  * @param name the name of the datum
 104  * @param value the current value
 105  * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
 106  * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
 107  */
 108 static int
 109 print_stat (void *cls,
 110             const char *subsystem,
 111             const char *name,
 112             uint64_t value,
 113             int is_persistent)
 114 {
 115   struct StatMaster *sm = cls;
 116   fprintf (stderr,
 117            "Peer %3u: %8s/%40s = %llu\n",
 118            sm->daemon,
 119            subsystem,
 120            name,
 121            (unsigned long long) value);
 122   return GNUNET_OK;
 123 }
 124
 125 /**
 126  * Function that gathers stats from all daemons.
 127  */
 128 static void
 129 stat_run (void *cls,
 130           const struct GNUNET_SCHEDULER_TaskContext *tc);
 131
 132 /**
 133  * Function called when GET operation on stats is done.
 134  */
 135 static void
 136 get_done (void *cls,
 137           int success)
 138 {
 139   struct StatMaster *sm = cls;
 140   GNUNET_break (GNUNET_OK ==  success);
 141   sm->value++;
 142   GNUNET_SCHEDULER_add_now (sched, &stat_run, sm);
 143 }
 144
 145 /**
 146  * Function that gathers stats from all daemons.
 147  */
 148 static void
 149 stat_run (void *cls,
 150           const struct GNUNET_SCHEDULER_TaskContext *tc)
 151 {
 152   struct StatMaster *sm = cls;
 153
 154   if (stats[sm->value].name != NULL)
 155     {
 156       GNUNET_STATISTICS_get (sm->stat,
 157                              stats[sm->value].subsystem,
 158                              stats[sm->value].name,
 159                              GNUNET_TIME_UNIT_FOREVER_REL,
 160                              &get_done,
 161                              &print_stat, sm);
 162       return;
 163     }
 164   GNUNET_STATISTICS_destroy (sm->stat, GNUNET_NO);
 165   sm->value = 0;
 166   sm->daemon++;
 167   if (sm->daemon == NUM_DAEMONS)
 168     {
 169       GNUNET_free (sm);
 170       GNUNET_SCHEDULER_add_now (sched, &do_stop, NULL);
 171       return;
 172     }
 173   sm->stat = GNUNET_STATISTICS_create (sched, "<driver>",
 174                                        GNUNET_FS_TEST_get_configuration (daemons,
 175                                                                          sm->daemon));
 176   GNUNET_SCHEDULER_add_now (sched, &stat_run, sm);
 177 }
 178
 179
 180 static void
 181 do_report (void *cls,
 182          const struct GNUNET_SCHEDULER_TaskContext *tc)
 183 {
 184   struct GNUNET_TIME_Relative del;
 185   char *fancy;
 186   struct StatMaster *sm;
 187
 188   if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_PREREQ_DONE))
 189     {
 190       del = GNUNET_TIME_absolute_get_duration (start_time);
 191       if (del.value == 0)
 192         del.value = 1;
 193       fancy = GNUNET_STRINGS_byte_size_fancy (((unsigned long long)FILESIZE) * 1000LL / del.value);
 194       fprintf (stdout,
 195                "Download speed was %s/s\n",
 196                fancy);
 197       GNUNET_free (fancy);
 198       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 199                   "Finished download, shutting down\n",
 200                   (unsigned long long) FILESIZE);
 201       sm = GNUNET_malloc (sizeof (struct StatMaster));
 202       sm->stat = GNUNET_STATISTICS_create (sched, "<driver>",
 203                                            GNUNET_FS_TEST_get_configuration (daemons,
 204                                                                              sm->daemon));
 205       GNUNET_SCHEDULER_add_now (sched, &stat_run, sm);
 206     }
 207   else
 208     {
 209       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 210                   "Timeout during download, shutting down with error\n");
 211       ok = 1;
 212       GNUNET_SCHEDULER_add_now (sched, &do_stop, NULL);
 213     }
 214 }
 215
 216
 217 static void
 218 do_download (void *cls,
 219              const struct GNUNET_FS_Uri *uri)
 220 {
 221   if (NULL == uri)
 222     {
 223       GNUNET_FS_TEST_daemons_stop (sched,
 224                                    NUM_DAEMONS,
 225                                    daemons);
 226       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 227                   "Timeout during upload attempt, shutting down with error\n");
 228       ok = 1;
 229       return;
 230     }
 231   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 232               "Downloading %llu bytes\n",
 233               (unsigned long long) FILESIZE);
 234   start_time = GNUNET_TIME_absolute_get ();
 235   GNUNET_FS_TEST_download (sched,
 236                            daemons[0],
 237                            TIMEOUT,
 238                            1, SEED, uri,
 239                            VERBOSE,
 240                            &do_report, NULL);
 241 }
 242
 243
 244 static void
 245 do_publish (void *cls,
 246             const char *emsg)
 247 {
 248   if (NULL != emsg)
 249     {
 250       GNUNET_FS_TEST_daemons_stop (sched,
 251                                    NUM_DAEMONS,
 252                                    daemons);
 253       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 254                   "Error trying to connect: %s\n",
 255                   emsg);
 256       ok = 1;
 257       return;
 258     }
 259   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 260               "Publishing %llu bytes\n",
 261               (unsigned long long) FILESIZE);
 262   GNUNET_FS_TEST_publish (sched,
 263                           daemons[NUM_DAEMONS-1],
 264                           TIMEOUT,
 265                           1, GNUNET_NO, FILESIZE, SEED,
 266                           VERBOSE,
 267                           &do_download, NULL);
 268 }
 269
 270
 271 static void
 272 do_connect (void *cls,
 273             const struct GNUNET_SCHEDULER_TaskContext *tc)
 274 {
 275   struct GNUNET_TESTING_PeerGroup *pg;
 276
 277   GNUNET_assert (0 != (tc->reason & GNUNET_SCHEDULER_REASON_PREREQ_DONE));
 278   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 279               "Daemons started, will now try to connect them\n");
 280   pg = GNUNET_FS_TEST_get_group (daemons);
 281   GNUNET_break ( (NUM_DAEMONS - 1) * 2
 282                  == (GNUNET_TESTING_create_topology (pg,
 283                                                      GNUNET_TESTING_TOPOLOGY_LINE,
 284                                                      GNUNET_TESTING_TOPOLOGY_NONE,
 285                                                      NULL)));
 286   GNUNET_TESTING_connect_topology (pg,
 287                                    GNUNET_TESTING_TOPOLOGY_LINE,
 288                                    GNUNET_TESTING_TOPOLOGY_OPTION_NONE,
 289                                    0.0,
 290                                    &do_publish,
 291                                    NULL);
 292 }
 293
 294
 295 static void
 296 run (void *cls,
 297      struct GNUNET_SCHEDULER_Handle *s,
 298      char *const *args,
 299      const char *cfgfile,
 300      const struct GNUNET_CONFIGURATION_Handle *cfg)
 301 {
 302   sched = s;
 303   GNUNET_FS_TEST_daemons_start (sched,
 304                                 "fs_test_lib_data.conf",
 305                                 TIMEOUT,
 306                                 NUM_DAEMONS,
 307                                 daemons,
 308                                 &do_connect,
 309                                 NULL);
 310 }
 311
 312
 313 int
 314 main (int argc, char *argv[])
 315 {
 316   char *const argvx[] = {
 317     "perf-gnunet-service-fs-p2p",
 318     "-c",
 319     "fs_test_lib_data.conf",
 320 #if VERBOSE
 321     "-L", "DEBUG",
 322 #endif
 323     NULL
 324   };
 325   struct GNUNET_GETOPT_CommandLineOption options[] = {
 326     GNUNET_GETOPT_OPTION_END
 327   };
 328
 329   GNUNET_DISK_directory_remove ("/tmp/gnunet-perf-fs-lib/");
 330   GNUNET_log_setup ("perf_gnunet_service_fs_p2p",
 331 #if VERBOSE
 332                     "DEBUG",
 333 #else
 334                     "WARNING",
 335 #endif
 336                     NULL);
 337   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 338                       argvx, "perf-gnunet-service-fs-p2p",
 339                       "nohelp", options, &run, NULL);
 340   GNUNET_DISK_directory_remove ("/tmp/gnunet-perf-fs-lib/");
 341   return ok;
 342 }
 343
 344 /* end of perf_gnunet_service_fs_p2p.c */