src/nse/nse-profiler.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 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 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  * @file nse/nse-profiler.c
  22  *
  23  * @brief Profiling driver for the network size estimation service.
  24  *        Generally, the profiler starts a given number of peers,
  25  *        then churns some off, waits a certain amount of time, then
  26  *        churns again, and repeats.
  27  */
  28 #include "platform.h"
  29 #include "gnunet_testing_lib.h"
  30 #include "gnunet_nse_service.h"
  31
  32 #define VERBOSE GNUNET_NO
  33
  34 struct NSEPeer
  35 {
  36   struct NSEPeer *prev;
  37
  38   struct NSEPeer *next;
  39
  40   struct GNUNET_TESTING_Daemon *daemon;
  41
  42   struct GNUNET_NSE_Handle *nse_handle;
  43 };
  44
  45 struct StatsContext
  46 {
  47   GNUNET_SCHEDULER_Task task;
  48   GNUNET_SCHEDULER_TaskIdentifier *task_id;
  49   void *task_cls;
  50   unsigned long long total_nse_bytes;
  51 };
  52
  53 struct NSEPeer *peer_head;
  54
  55 struct NSEPeer *peer_tail;
  56
  57 /**
  58  * How long until we give up on connecting the peers?
  59  */
  60 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500)
  61
  62 static int ok;
  63
  64 /**
  65  * Be verbose
  66  */
  67 static int verbose;
  68
  69 /**
  70  * Total number of peers in the test.
  71  */
  72 static unsigned long long num_peers;
  73
  74 /**
  75  * Global configuration file
  76  */
  77 struct GNUNET_CONFIGURATION_Handle *testing_cfg;
  78
  79 /**
  80  * Total number of currently running peers.
  81  */
  82 static unsigned long long peers_running;
  83
  84 /**
  85  * Current round we are in.
  86  */
  87 static unsigned long long current_round;
  88
  89 /**
  90  * Peers desired in the next round.
  91  */
  92 static unsigned long long peers_next_round;
  93
  94 /**
  95  * Total number of connections in the whole network.
  96  */
  97 static unsigned int total_connections;
  98
  99 /**
 100  * The currently running peer group.
 101  */
 102 static struct GNUNET_TESTING_PeerGroup *pg;
 103
 104 /**
 105  * File to report results to.
 106  */
 107 static struct GNUNET_DISK_FileHandle *output_file;
 108
 109 /**
 110  * File to log connection info, statistics to.
 111  */
 112 static struct GNUNET_DISK_FileHandle *data_file;
 113
 114 /**
 115  * How many data points to capture before triggering next round?
 116  */
 117 static struct GNUNET_TIME_Relative wait_time;
 118
 119 /**
 120  * Task called to disconnect peers.
 121  */
 122 static GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
 123
 124 /**
 125  * Task called to shutdown test.
 126  */
 127 static GNUNET_SCHEDULER_TaskIdentifier shutdown_handle;
 128
 129 /**
 130  * Task used to churn the network.
 131  */
 132 static GNUNET_SCHEDULER_TaskIdentifier churn_task;
 133
 134 static char *topology_file;
 135
 136 static char *data_filename;
 137
 138 /**
 139  * Check whether peers successfully shut down.
 140  */
 141 void
 142 shutdown_callback (void *cls, const char *emsg)
 143 {
 144   if (emsg != NULL)
 145     {
 146 #if VERBOSE
 147       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown of peers failed!\n");
 148 #endif
 149       if (ok == 0)
 150         ok = 666;
 151     }
 152   else
 153     {
 154 #if VERBOSE
 155       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 156                   "All peers successfully shut down!\n");
 157 #endif
 158       ok = 0;
 159     }
 160 }
 161
 162 static void
 163 shutdown_task (void *cls,
 164                const struct GNUNET_SCHEDULER_TaskContext *tc)
 165 {
 166   struct NSEPeer *pos;
 167 #if VERBOSE
 168   fprintf(stderr, "Ending test.\n");
 169 #endif
 170
 171   if (disconnect_task != GNUNET_SCHEDULER_NO_TASK)
 172     {
 173       GNUNET_SCHEDULER_cancel(disconnect_task);
 174       disconnect_task = GNUNET_SCHEDULER_NO_TASK;
 175     }
 176   while (NULL != (pos = peer_head))
 177     {
 178       if (pos->nse_handle != NULL)
 179         GNUNET_NSE_disconnect(pos->nse_handle);
 180       GNUNET_CONTAINER_DLL_remove(peer_head, peer_tail, pos);
 181       GNUNET_free(pos);
 182     }
 183
 184   if (data_file != NULL)
 185     GNUNET_DISK_file_close(data_file);
 186   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 187 }
 188
 189 /**
 190  * Callback to call when network size estimate is updated.
 191  *
 192  * @param cls closure
 193  * @param estimate the value of the current network size estimate
 194  * @param std_dev standard deviation (rounded down to nearest integer)
 195  *                of the size estimation values seen
 196  *
 197  */
 198 static void
 199 handle_estimate (void *cls, double estimate, double std_dev)
 200 {
 201   struct NSEPeer *peer = cls;
 202   char *output_buffer;
 203   int size;
 204   //fprintf(stderr, "Received network size estimate from peer %s. Size: %f std.dev. %f\n", GNUNET_i2s(&peer->daemon->id), estimate, std_dev);
 205   if (output_file != NULL)
 206     {
 207       size = GNUNET_asprintf(&output_buffer, "%s %u %f %f\n", GNUNET_i2s(&peer->daemon->id), peers_running, estimate, std_dev);
 208       if (size != GNUNET_DISK_file_write(output_file, output_buffer, size))
 209         GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s: Unable to write to file!\n", "nse-profiler");
 210     }
 211   else
 212     fprintf(stderr, "Received network size estimate from peer %s. Size: %f std.dev. %f\n", GNUNET_i2s(&peer->daemon->id), estimate, std_dev);
 213
 214 }
 215
 216 static void
 217 connect_nse_service (void *cls,
 218                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 219 {
 220   struct NSEPeer *current_peer;
 221   unsigned int i;
 222 #if VERBOSE
 223   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TEST_NSE_MULTIPEER: connecting to nse service of peers\n");
 224 #endif
 225   GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "TEST_NSE_MULTIPEER: connecting to nse service of peers\n");
 226   for (i = 0; i < num_peers; i++)
 227     {
 228       current_peer = GNUNET_malloc(sizeof(struct NSEPeer));
 229       current_peer->daemon = GNUNET_TESTING_daemon_get(pg, i);
 230       if (GNUNET_YES == GNUNET_TESTING_daemon_running(GNUNET_TESTING_daemon_get(pg, i)))
 231         {
 232           current_peer->nse_handle = GNUNET_NSE_connect (current_peer->daemon->cfg, &handle_estimate, current_peer);
 233           GNUNET_assert(current_peer->nse_handle != NULL);
 234         }
 235       GNUNET_CONTAINER_DLL_insert (peer_head, peer_tail, current_peer);
 236     }
 237 }
 238
 239 static void
 240 churn_peers (void *cls,
 241              const struct GNUNET_SCHEDULER_TaskContext *tc);
 242
 243 /**
 244  * Continuation called by the "get_all" and "get" functions.
 245  *
 246  * @param cls struct StatsContext
 247  * @param success GNUNET_OK if statistics were
 248  *        successfully obtained, GNUNET_SYSERR if not.
 249  */
 250 static void stats_finished_callback (void *cls, int success)
 251 {
 252   struct StatsContext *stats_context = (struct StatsContext *)cls;
 253   char *buf;
 254   int buf_len;
 255
 256   if ((GNUNET_OK == success) && (data_file != NULL)) /* Stats lookup successful, write out data */
 257     {
 258       buf = NULL;
 259       buf_len = GNUNET_asprintf(&buf, "TOTAL_NSE_BYTES: %u\n", stats_context->total_nse_bytes);
 260       if (buf_len > 0)
 261         {
 262           GNUNET_DISK_file_write(data_file, buf, buf_len);
 263         }
 264       GNUNET_free_non_null(buf);
 265     }
 266
 267   if (stats_context->task != NULL)
 268     (*stats_context->task_id) = GNUNET_SCHEDULER_add_now(stats_context->task, stats_context->task_cls);
 269
 270   GNUNET_free(stats_context);
 271 }
 272
 273 /**
 274  * Callback function to process statistic values.
 275  *
 276  * @param cls struct StatsContext
 277  * @param peer the peer the statistics belong to
 278  * @param subsystem name of subsystem that created the statistic
 279  * @param name the name of the datum
 280  * @param value the current value
 281  * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
 282  * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
 283  */
 284 static int statistics_iterator (void *cls,
 285                                 const struct GNUNET_PeerIdentity *peer,
 286                                 const char *subsystem,
 287                                 const char *name,
 288                                 uint64_t value,
 289                                 int is_persistent)
 290 {
 291   struct StatsContext *stats_context = (struct StatsContext *)cls;
 292   char *buf;
 293
 294   GNUNET_assert(0 < GNUNET_asprintf(&buf, "bytes of messages of type %d received", GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD));
 295   if ((0 == strstr(subsystem, "core")) && (0 == strstr(name, buf)))
 296     {
 297       stats_context->total_nse_bytes += value;
 298     }
 299   GNUNET_free(buf);
 300   return GNUNET_OK;
 301 }
 302
 303 /**
 304  * @param cls struct StatsContext
 305  * @param tc task context
 306  */
 307 static void
 308 get_statistics (void *cls,
 309                 const struct GNUNET_SCHEDULER_TaskContext *tc)
 310 {
 311   struct StatsContext *stats_context = (struct StatsContext *)cls;
 312   GNUNET_TESTING_get_statistics(pg, &stats_finished_callback, &statistics_iterator, stats_context);
 313 }
 314
 315 static void
 316 disconnect_nse_peers (void *cls,
 317                       const struct GNUNET_SCHEDULER_TaskContext *tc)
 318 {
 319   struct NSEPeer *pos;
 320   char *buf;
 321   struct StatsContext *stats_context;
 322   disconnect_task = GNUNET_SCHEDULER_NO_TASK;
 323   pos = peer_head;
 324
 325   GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "TEST_NSE_MULTIPEER: disconnecting nse service of peers\n");
 326   while (pos != NULL)
 327     {
 328       if (pos->nse_handle != NULL)
 329         {
 330           GNUNET_NSE_disconnect(pos->nse_handle);
 331           pos->nse_handle = NULL;
 332         }
 333       pos = pos->next;
 334     }
 335
 336   GNUNET_asprintf(&buf, "round%llu", current_round);
 337   if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (testing_cfg, "nse-profiler", buf, &peers_next_round))
 338     {
 339       current_round++;
 340       GNUNET_assert(churn_task == GNUNET_SCHEDULER_NO_TASK);
 341       churn_task = GNUNET_SCHEDULER_add_now(&churn_peers, NULL);
 342     }
 343   else /* No more rounds, let's shut it down! */
 344     {
 345       stats_context = GNUNET_malloc(sizeof(struct StatsContext));
 346       GNUNET_SCHEDULER_cancel(shutdown_handle);
 347       shutdown_handle = GNUNET_SCHEDULER_NO_TASK;
 348       stats_context->task = &shutdown_task;
 349       stats_context->task_cls = NULL;
 350       stats_context->task_id = &shutdown_handle;
 351       GNUNET_SCHEDULER_add_now(&get_statistics, stats_context);
 352       //shutdown_handle = GNUNET_SCHEDULER_add_now(&shutdown_task, NULL);
 353     }
 354   GNUNET_free(buf);
 355 }
 356
 357 /**
 358  * Prototype of a function that will be called when a
 359  * particular operation was completed the testing library.
 360  *
 361  * @param cls unused
 362  * @param emsg NULL on success
 363  */
 364 void topology_output_callback (void *cls, const char *emsg)
 365 {
 366   struct StatsContext *stats_context;
 367   stats_context = GNUNET_malloc(sizeof(struct StatsContext));
 368
 369   disconnect_task = GNUNET_SCHEDULER_add_delayed(wait_time, &disconnect_nse_peers, NULL);
 370   GNUNET_SCHEDULER_add_now(&connect_nse_service, NULL);
 371 }
 372
 373
 374 /**
 375  * Prototype of a function that will be called when a
 376  * particular operation was completed the testing library.
 377  *
 378  * @param cls closure
 379  * @param emsg NULL on success
 380  */
 381 static void
 382 churn_callback (void *cls, const char *emsg)
 383 {
 384   char *temp_output_file;
 385
 386   if (emsg == NULL) /* Everything is okay! */
 387     {
 388       peers_running = GNUNET_TESTING_daemons_running(pg);
 389       GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 390                   "Round %lu, churn finished successfully.\n", current_round);
 391       GNUNET_assert(disconnect_task == GNUNET_SCHEDULER_NO_TASK);
 392       GNUNET_asprintf(&temp_output_file, "%s%lu.dot", topology_file, current_round);
 393       GNUNET_TESTING_peergroup_topology_to_file(pg,
 394                                                 temp_output_file,
 395                                                 &topology_output_callback,
 396                                                 NULL);
 397       GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Writing topology to file %s\n", temp_output_file);
 398       GNUNET_free(temp_output_file);
 399     }
 400   else
 401     {
 402       GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 403                   "Round %lu, churn FAILED!!\n", current_round);
 404       GNUNET_SCHEDULER_cancel(shutdown_handle);
 405       GNUNET_SCHEDULER_add_now(&shutdown_task, NULL);
 406     }
 407 }
 408
 409 static void
 410 churn_peers (void *cls,
 411                       const struct GNUNET_SCHEDULER_TaskContext *tc)
 412 {
 413   peers_running = GNUNET_TESTING_daemons_running(pg);
 414   churn_task = GNUNET_SCHEDULER_NO_TASK;
 415   if (peers_next_round == peers_running)
 416     {
 417       /* Nothing to do... */
 418       GNUNET_SCHEDULER_add_now(&connect_nse_service, NULL);
 419       GNUNET_assert(disconnect_task == GNUNET_SCHEDULER_NO_TASK);
 420       disconnect_task = GNUNET_SCHEDULER_add_delayed(wait_time, &disconnect_nse_peers, NULL);
 421       GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Round %lu, doing nothing!\n", current_round);
 422     }
 423   else
 424     {
 425       if (peers_next_round > num_peers)
 426         {
 427           GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Asked to turn on more peers than have!!\n");
 428           GNUNET_SCHEDULER_cancel(shutdown_handle);
 429           GNUNET_SCHEDULER_add_now(&shutdown_task, NULL);
 430         }
 431       GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 432                   "Round %lu, turning off %lu peers, turning on %lu peers!\n",
 433                   current_round,
 434                   (peers_running > peers_next_round) ? peers_running
 435                       - peers_next_round : 0,
 436                   (peers_next_round > peers_running) ? peers_next_round
 437                       - peers_running : 0);
 438       GNUNET_TESTING_daemons_churn (pg,
 439                                     (peers_running > peers_next_round) ? peers_running
 440                                         - peers_next_round
 441                                         : 0,
 442                                     (peers_next_round > peers_running) ? peers_next_round
 443                                         - peers_running
 444                                         : 0, wait_time, &churn_callback,
 445                                     NULL);
 446     }
 447 }
 448
 449
 450 static void
 451 my_cb (void *cls,
 452        const char *emsg)
 453 {
 454   char *buf;
 455   int buf_len;
 456   if (emsg != NULL)
 457     {
 458       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 459                   "Peergroup callback called with error, aborting test!\n");
 460       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Error from testing: `%s'\n");
 461       ok = 1;
 462       GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 463       return;
 464     }
 465 #if VERBOSE
 466   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 467               "Peer Group started successfully, connecting to NSE service for each peer!\n");
 468 #endif
 469   GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Have %u connections\n", total_connections);
 470   if (data_file != NULL)
 471     {
 472       buf = NULL;
 473       buf_len = GNUNET_asprintf(&buf, "CONNECTIONS_0: %u\n", total_connections);
 474       if (buf_len > 0)
 475         GNUNET_DISK_file_write(data_file, buf, buf_len);
 476       GNUNET_free_non_null(buf);
 477     }
 478   peers_running = GNUNET_TESTING_daemons_running(pg);
 479   GNUNET_SCHEDULER_add_now(&connect_nse_service, NULL);
 480   disconnect_task = GNUNET_SCHEDULER_add_delayed(wait_time, &disconnect_nse_peers, NULL);
 481 }
 482
 483 /**
 484  * Prototype of a function that will be called whenever
 485  * two daemons are connected by the testing library.
 486  *
 487  * @param cls closure
 488  * @param first peer id for first daemon
 489  * @param second peer id for the second daemon
 490  * @param distance distance between the connected peers
 491  * @param first_cfg config for the first daemon
 492  * @param second_cfg config for the second daemon
 493  * @param first_daemon handle for the first daemon
 494  * @param second_daemon handle for the second daemon
 495  * @param emsg error message (NULL on success)
 496  */
 497 void connect_cb (void *cls,
 498                  const struct GNUNET_PeerIdentity *first,
 499                  const struct GNUNET_PeerIdentity *second,
 500                  uint32_t distance,
 501                  const struct GNUNET_CONFIGURATION_Handle *first_cfg,
 502                  const struct GNUNET_CONFIGURATION_Handle *second_cfg,
 503                  struct GNUNET_TESTING_Daemon *first_daemon,
 504                  struct GNUNET_TESTING_Daemon *second_daemon,
 505                  const char *emsg)
 506 {
 507   char *second_id;
 508
 509   second_id = GNUNET_strdup(GNUNET_i2s(second));
 510   if (emsg == NULL)
 511     total_connections++;
 512 }
 513
 514
 515 static void
 516 run (void *cls,
 517      char *const *args,
 518      const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
 519 {
 520   char *temp_str;
 521   unsigned long long temp_wait;
 522   ok = 1;
 523   testing_cfg = GNUNET_CONFIGURATION_create();
 524   GNUNET_assert(GNUNET_OK == GNUNET_CONFIGURATION_load(testing_cfg, cfgfile));
 525 #if VERBOSE
 526   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n");
 527   GNUNET_CONFIGURATION_set_value_string (testing_cfg, "testing",
 528                                            "use_progressbars",
 529                                            "YES");
 530 #endif
 531   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg, "testing", "num_peers", &num_peers))
 532     {
 533       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Option TESTING:NUM_PEERS is required!\n");
 534       return;
 535     }
 536
 537   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg, "nse-profiler", "wait_time", &temp_wait))
 538     {
 539       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Option nse-profiler:wait_time is required!\n");
 540       return;
 541     }
 542
 543   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (testing_cfg, "nse-profiler", "topology_output_file", &topology_file))
 544     {
 545       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Option nse-profiler:topology_output_file is required!\n");
 546       return;
 547     }
 548
 549   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (testing_cfg, "nse-profiler", "data_output_file", &data_filename))
 550     {
 551       GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Option nse-profiler:data_output_file is required!\n");
 552       return;
 553     }
 554
 555
 556   data_file = GNUNET_DISK_file_open (data_filename, GNUNET_DISK_OPEN_READWRITE
 557                                                   | GNUNET_DISK_OPEN_CREATE,
 558                                                   GNUNET_DISK_PERM_USER_READ |
 559                                                   GNUNET_DISK_PERM_USER_WRITE);
 560   if (data_file == NULL)
 561     GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to open %s for output!\n", data_filename);
 562   GNUNET_free(data_filename);
 563
 564   wait_time = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_wait);
 565
 566   if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(cfg, "nse-profiler", "output_file", &temp_str))
 567     {
 568       output_file = GNUNET_DISK_file_open (temp_str, GNUNET_DISK_OPEN_READWRITE
 569                                                       | GNUNET_DISK_OPEN_CREATE,
 570                                                       GNUNET_DISK_PERM_USER_READ |
 571                                                       GNUNET_DISK_PERM_USER_WRITE);
 572       if (output_file == NULL)
 573         GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to open %s for output!\n", temp_str);
 574     }
 575   GNUNET_free_non_null(temp_str);
 576
 577   pg = GNUNET_TESTING_peergroup_start(testing_cfg,
 578                                       num_peers,
 579                                       TIMEOUT,
 580                                       &connect_cb,
 581                                       &my_cb, NULL,
 582                                       NULL);
 583   GNUNET_assert (pg != NULL);
 584   shutdown_handle = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_get_forever(), &shutdown_task, NULL);
 585 }
 586
 587
 588
 589 /**
 590  * nse-profiler command line options
 591  */
 592 static struct GNUNET_GETOPT_CommandLineOption options[] = {
 593   {'V', "verbose", NULL,
 594    gettext_noop ("be verbose (print progress information)"),
 595    0, &GNUNET_GETOPT_set_one, &verbose},
 596   GNUNET_GETOPT_OPTION_END
 597 };
 598
 599 int
 600 main (int argc, char *argv[])
 601 {
 602   int ret;
 603
 604   GNUNET_log_setup ("nse-profiler",
 605 #if VERBOSE
 606                     "DEBUG",
 607 #else
 608                     "WARNING",
 609 #endif
 610                     NULL);
 611   ret = 1;
 612   GNUNET_PROGRAM_run (argc,
 613                       argv, "nse-profiler", gettext_noop
 614                       ("Run a test of the NSE service."),
 615                       options, &run, &ok);
 616
 617   GNUNET_DISK_directory_remove ("/tmp/nse-profiler");
 618   return ret;
 619 }
 620
 621 /* end of nse-profiler.c */