2 This file is part of GNUnet.
3 (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
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6 it under the terms of the GNU General Public License as published
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22 * @file regex/gnunet-regex-profiler.c
23 * @brief Regex profiler for testing distributed regex use.
24 * @author Bartlomiej Polot
25 * @author Maximilian Szengel
32 #include "gnunet_applications.h"
33 #include "gnunet_util_lib.h"
34 #include "gnunet_regex_lib.h"
35 #include "gnunet_arm_service.h"
36 #include "gnunet_dht_service.h"
37 #include "gnunet_testbed_service.h"
39 #define FIND_TIMEOUT \
40 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
48 * The testbed operation handle
50 struct GNUNET_TESTBED_Operation *op;
58 * The next pointer for DLL
60 struct DLLOperation *next;
63 * The prev pointer for DLL
65 struct DLLOperation *prev;
70 * Available states during profiling
82 STATE_SLAVES_STARTING,
100 * Matching strings against announced regexes
105 * Destroying peers; we can do this as the controller takes care of stopping a
106 * peer if it is running
108 STATE_PEERS_DESTROYING
123 * Peer configuration handle.
125 struct GNUNET_CONFIGURATION_Handle *cfg;
128 * The actual testbed peer handle.
130 struct GNUNET_TESTBED_Peer *peer_handle;
133 * Peer's search string.
135 const char *search_str;
138 * Set to GNUNET_YES if the peer successfully matched the above
139 * search string. GNUNET_NO if the string could not be matched
140 * during the profiler run. GNUNET_SYSERR if the string matching
141 * timed out. Undefined if search_str is NULL
143 int search_str_matched;
148 struct GNUNET_DHT_Handle *dht_handle;
151 * Handle to a running regex search.
153 struct GNUNET_REGEX_search_handle *search_handle;
156 * Testbed operation handle for DHT.
158 struct GNUNET_TESTBED_Operation *op_handle;
161 * Peers's statistics handle.
163 struct GNUNET_STATISTICS_Handle *stats_handle;
166 * The starting time of a profiling step.
168 struct GNUNET_TIME_Absolute prof_start_time;
173 GNUNET_SCHEDULER_TaskIdentifier timeout;
178 struct GNUNET_TESTBED_Operation *daemon_op;
182 * Set when shutting down to avoid making more queries.
184 static int in_shutdown;
187 * The array of peers; we fill this as the peers are given to us by the testbed
189 static struct RegexPeer *peers;
192 * Host registration handle
194 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
197 * Handle to the master controller process
199 static struct GNUNET_TESTBED_ControllerProc *mc_proc;
202 * Handle to the master controller
204 static struct GNUNET_TESTBED_Controller *mc;
207 * Handle to global configuration
209 static struct GNUNET_CONFIGURATION_Handle *cfg;
212 * Abort task identifier
214 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
217 * Shutdown task identifier
219 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
222 * Host registration task identifier
224 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
227 * Global event mask for all testbed events
229 static uint64_t event_mask;
232 * The starting time of a profiling step
234 static struct GNUNET_TIME_Absolute prof_start_time;
237 * Duration profiling step has taken
239 static struct GNUNET_TIME_Relative prof_time;
242 * Number of peers to be started by the profiler
244 static unsigned int num_peers;
247 * Global testing status
252 * current state of profiling
257 * Folder where policy files are stored.
259 static char * policy_dir;
262 * File with hostnames where to execute the test.
264 static char *hosts_file;
267 * File with the strings to look for.
269 static char *strings_file;
272 * Search strings (num_peers of them).
274 static char **search_strings;
277 * How many searches are we going to start in parallel
279 static long long unsigned int init_parallel_searches;
282 * How many searches are running in parallel
284 static unsigned int parallel_searches;
287 * Number of strings found in the published regexes.
289 static unsigned int strings_found;
292 * Index of peer to start next announce/search.
294 static unsigned int next_search;
297 * Search timeout task identifier.
299 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
302 * Search timeout in seconds.
304 static struct GNUNET_TIME_Relative search_timeout_time = { 60000 };
307 * File to log statistics to.
309 static struct GNUNET_DISK_FileHandle *data_file;
312 * Filename to log statistics to.
314 static char *data_filename;
317 * Prefix used for regex announcing. We need to prefix the search
318 * strings with it, in order to find something.
320 static char * regex_prefix;
323 * What's the maximum regex reannounce period.
325 static struct GNUNET_TIME_Relative reannounce_period_max;
328 /******************************************************************************/
329 /****************************** DECLARATIONS ********************************/
330 /******************************************************************************/
333 * DHT connect callback.
335 * @param cls internal peer id.
336 * @param op operation handle.
337 * @param ca_result connect adapter result.
338 * @param emsg error message.
341 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
342 void *ca_result, const char *emsg);
345 * DHT connect adapter.
347 * @param cls not used.
348 * @param cfg configuration handle.
353 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
357 * Adapter function called to destroy a connection to
361 * @param op_result service handle returned from the connect adapter
364 dht_da (void *cls, void *op_result);
368 * Function called by testbed once we are connected to stats
369 * service. Get the statistics for the services of interest.
371 * @param cls the 'struct RegexPeer' for which we connected to stats
372 * @param op connect operation handle
373 * @param ca_result handle to stats service
374 * @param emsg error message on failure
377 stats_connect_cb (void *cls,
378 struct GNUNET_TESTBED_Operation *op,
384 * Start announcing the next regex in the DHT.
386 * @param cls Index of the next peer in the peers array.
387 * @param tc TaskContext.
390 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
393 /******************************************************************************/
394 /******************************** SHUTDOWN **********************************/
395 /******************************************************************************/
402 * @param tc the task context
405 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
407 struct RegexPeer *peer;
408 unsigned int peer_cnt;
409 unsigned int search_str_cnt;
410 char output_buffer[512];
413 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
414 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
415 GNUNET_SCHEDULER_cancel (abort_task);
416 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
417 GNUNET_SCHEDULER_cancel (register_hosts_task);
419 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
421 peer = &peers[peer_cnt];
423 if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
425 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
427 GNUNET_snprintf (output_buffer,
428 sizeof (output_buffer),
429 "%p Search string not found: %s (%d)\n"
430 "%p On peer: %u (%p)\n"
432 peer, peer->search_str, peer->search_str_matched,
433 peer, peer->id, peer,
435 GNUNET_STRINGS_relative_time_to_string (prof_time,
437 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
438 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
441 if (NULL != peers[peer_cnt].op_handle)
442 GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
445 if (NULL != data_file)
446 GNUNET_DISK_file_close (data_file);
448 for (search_str_cnt = 0;
449 search_str_cnt < num_peers && NULL != search_strings;
452 GNUNET_free_non_null (search_strings[search_str_cnt]);
454 GNUNET_free_non_null (search_strings);
456 if (NULL != reg_handle)
457 GNUNET_TESTBED_cancel_registration (reg_handle);
460 GNUNET_TESTBED_controller_disconnect (mc);
462 GNUNET_TESTBED_controller_stop (mc_proc);
464 GNUNET_CONFIGURATION_destroy (cfg);
466 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
471 * abort task to run on test timed out
474 * @param tc the task context
477 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
479 unsigned long i = (unsigned long) cls;
481 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting from line %lu...\n", i);
482 abort_task = GNUNET_SCHEDULER_NO_TASK;
483 result = GNUNET_SYSERR;
484 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
485 GNUNET_SCHEDULER_cancel (shutdown_task);
486 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
490 /******************************************************************************/
491 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
492 /******************************************************************************/
495 * Adapter function called to establish a connection to
496 * statistics service.
499 * @param cfg configuration of the peer to connect to; will be available until
500 * GNUNET_TESTBED_operation_done() is called on the operation returned
501 * from GNUNET_TESTBED_service_connect()
502 * @return service handle to return in 'op_result', NULL on error
505 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
507 return GNUNET_STATISTICS_create ("<driver>", cfg);
512 * Adapter function called to destroy a connection to
513 * statistics service.
516 * @param op_result service handle returned from the connect adapter
519 stats_da (void *cls, void *op_result)
521 struct RegexPeer *peer = cls;
523 GNUNET_assert (op_result == peer->stats_handle);
525 GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
526 peer->stats_handle = NULL;
531 * Process statistic values. Write all values to global 'data_file', if present.
534 * @param subsystem name of subsystem that created the statistic
535 * @param name the name of the datum
536 * @param value the current value
537 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
538 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
541 stats_iterator (void *cls, const char *subsystem, const char *name,
542 uint64_t value, int is_persistent)
544 struct RegexPeer *peer = cls;
545 char output_buffer[512];
548 if (NULL == data_file)
550 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
551 "%p -> %s [%s]: %llu\n",
552 peer, subsystem, name, value);
556 GNUNET_snprintf (output_buffer,
557 sizeof (output_buffer),
560 subsystem, value, name);
561 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
562 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
569 * Stats callback. Finish the stats testbed operation and when all stats have
570 * been iterated, shutdown the profiler.
573 * @param success GNUNET_OK if statistics were
574 * successfully obtained, GNUNET_SYSERR if not.
580 static unsigned int peer_cnt;
581 struct RegexPeer *peer = cls;
583 if (GNUNET_OK != success)
585 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
586 "Getting statistics for peer %u failed!\n",
591 GNUNET_assert (NULL != peer->op_handle);
593 GNUNET_TESTBED_operation_done (peer->op_handle);
594 peer->op_handle = NULL;
597 peer = &peers[peer_cnt];
599 if (peer_cnt == num_peers)
601 struct GNUNET_TIME_Relative delay = { 100 };
602 shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
607 GNUNET_TESTBED_service_connect (NULL,
620 * Function called by testbed once we are connected to stats
621 * service. Get the statistics for the services of interest.
623 * @param cls the 'struct RegexPeer' for which we connected to stats
624 * @param op connect operation handle
625 * @param ca_result handle to stats service
626 * @param emsg error message on failure
629 stats_connect_cb (void *cls,
630 struct GNUNET_TESTBED_Operation *op,
634 struct RegexPeer *peer = cls;
636 if (NULL == ca_result || NULL != emsg)
638 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
639 "Failed to connect to statistics service on peer %u: %s\n",
642 peer->stats_handle = NULL;
646 peer->stats_handle = ca_result;
648 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
649 GNUNET_TIME_UNIT_FOREVER_REL,
651 &stats_iterator, peer))
653 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
654 "Could not get statistics of peer %u!\n", peer->id);
660 * Task to collect all statistics from all peers, will shutdown the
661 * profiler, when done.
664 * @param tc the task context
667 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
669 struct RegexPeer *peer = &peers[0];
671 GNUNET_assert (NULL != peer->peer_handle);
674 GNUNET_TESTBED_service_connect (NULL,
685 /******************************************************************************/
686 /************************ REGEX FIND CONNECTIONS **************************/
687 /******************************************************************************/
691 * Start searching for the next string in the DHT.
693 * @param cls Index of the next peer in the peers array.
694 * @param tc TaskContext.
697 find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
701 * Method called when we've found a peer that announced a regex
702 * that matches our search string. Now get the statistics.
704 * @param cls Closure provided in GNUNET_REGEX_search.
705 * @param id Peer providing a regex that matches the string.
706 * @param get_path Path of the get request.
707 * @param get_path_length Lenght of get_path.
708 * @param put_path Path of the put request.
709 * @param put_path_length Length of the put_path.
712 regex_found_handler (void *cls,
713 const struct GNUNET_PeerIdentity *id,
714 const struct GNUNET_PeerIdentity *get_path,
715 unsigned int get_path_length,
716 const struct GNUNET_PeerIdentity *put_path,
717 unsigned int put_path_length)
719 struct RegexPeer *peer = cls;
720 char output_buffer[512];
723 if (GNUNET_YES == peer->search_str_matched)
725 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
726 "String %s on peer %u already matched!\n",
727 peer->search_str, peer->id);
734 if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
736 GNUNET_SCHEDULER_cancel (peer->timeout);
737 peer->timeout = GNUNET_SCHEDULER_NO_TASK;
738 if (GNUNET_NO == in_shutdown)
739 GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
744 // FIXME not possible right now
745 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
746 "String matching timed out for string %s on peer %u (%i/%i)\n",
747 peer->search_str, peer->id, strings_found, num_peers);
748 peer->search_str_matched = GNUNET_SYSERR;
752 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
754 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
755 "String %s found on peer %u after %s (%i/%i) (%u||)\n",
756 peer->search_str, peer->id,
757 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
758 strings_found, num_peers, parallel_searches);
760 peer->search_str_matched = GNUNET_YES;
762 if (NULL != data_file)
765 GNUNET_snprintf (output_buffer,
766 sizeof (output_buffer),
768 "%p Search string: %s\n"
769 "%p Search duration: %s\n\n",
771 peer, peer->search_str,
773 GNUNET_STRINGS_relative_time_to_string (prof_time,
776 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
777 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
781 GNUNET_TESTBED_operation_done (peer->op_handle);
782 peer->op_handle = NULL;
784 if (strings_found == num_peers)
786 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
787 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
788 "All strings successfully matched in %s\n",
789 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
791 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
792 GNUNET_SCHEDULER_cancel (search_timeout_task);
794 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats and shutting down.\n");
795 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
801 * Connect by string timeout task. This will cancel the profiler after the
802 * specified timeout 'search_timeout'.
805 * @param tc the task context
808 search_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
812 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
813 "Finding matches to all strings did not succeed after %s.\n",
814 GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
816 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
817 "Found %i of %i strings\n", strings_found, num_peers);
819 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
820 "Search timed out after %s."
821 "Collecting stats and shutting down.\n",
822 GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
825 in_shutdown = GNUNET_YES;
826 for (i = 0; i < num_peers; i++)
828 if (NULL != peers[i].op_handle)
830 GNUNET_TESTBED_operation_done (peers[i].op_handle);
831 peers[i].op_handle = NULL;
834 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
839 * Search timed out. It might still complete in the future,
840 * but we should start another one.
842 * @param cls Index of the next peer in the peers array.
843 * @param tc TaskContext.
846 find_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
848 struct RegexPeer *p = cls;
850 p->timeout = GNUNET_SCHEDULER_NO_TASK;
852 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
854 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
855 "Searching for string \"%s\" on peer %d timed out.\n",
858 if (GNUNET_NO == in_shutdown)
859 GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
864 * Start searching for a string in the DHT.
866 * @param cls Index of the next peer in the peers array.
867 * @param tc TaskContext.
870 find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
872 unsigned int search_peer = (unsigned int) (long) cls;
874 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
875 search_peer >= num_peers ||
876 GNUNET_YES == in_shutdown)
879 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
880 "Searching for string \"%s\" on peer %d (%u||)\n",
881 peers[search_peer].search_str,
885 peers[search_peer].op_handle =
886 GNUNET_TESTBED_service_connect (NULL,
887 peers[search_peer].peer_handle,
893 &peers[search_peer]);
894 GNUNET_assert (NULL != peers[search_peer].op_handle);
895 peers[search_peer].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
897 &peers[search_peer]);
904 * Callback called when testbed has started the daemon we asked for.
907 * @param op the operation handle
908 * @param emsg NULL on success; otherwise an error description
911 daemon_started (void *cls, struct GNUNET_TESTBED_Operation *op,
914 struct RegexPeer *peer = (struct RegexPeer *) cls;
915 unsigned long search_peer;
918 GNUNET_TESTBED_operation_done (peer->daemon_op);
919 peer->daemon_op = NULL;
922 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
923 "Failed to start/stop daemon at peer %u: %s\n", peer->id, emsg);
927 /* Find a peer to look for a string matching the regex announced */
928 search_peer = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
930 for (i = 0; peers[search_peer].search_str != NULL; i++)
932 search_peer = (search_peer + 1) % num_peers;
934 GNUNET_abort (); /* we ran out of peers, must be a bug */
936 peers[search_peer].search_str = search_strings[peer->id];
937 peers[search_peer].search_str_matched = GNUNET_NO;
938 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
939 reannounce_period_max,
942 (void *) search_peer);
947 * Task to start the daemons on each peer so that the regexes are announced
951 * @param tc the task context
954 do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
958 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting announce.\n");
960 for (i = 0; i < init_parallel_searches; i++)
962 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
963 " scheduling announce %u\n",
965 (void) GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
971 * Start announcing the next regex in the DHT.
973 * @param cls Closure (unused).
974 * @param tc TaskContext.
977 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
979 struct RegexPeer *peer;
981 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
982 next_search >= num_peers)
985 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %u\n", next_search);
986 peer = &peers[next_search];
988 GNUNET_TESTBED_peer_manage_service (NULL,
999 * DHT connect callback. Called when we are connected to the dht service for
1000 * the peer in 'cls'. If successfull we connect to the stats service of this
1001 * peer and then try to match the search string of this peer.
1003 * @param cls internal peer id.
1004 * @param op operation handle.
1005 * @param ca_result connect adapter result.
1006 * @param emsg error message.
1009 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1010 void *ca_result, const char *emsg)
1012 struct RegexPeer *peer = (struct RegexPeer *) cls;
1014 if (NULL != emsg || NULL == op || NULL == ca_result)
1016 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
1020 GNUNET_assert (NULL != peer->dht_handle);
1021 GNUNET_assert (peer->op_handle == op);
1022 GNUNET_assert (peer->dht_handle == ca_result);
1024 peer->search_str_matched = GNUNET_NO;
1025 peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
1027 ®ex_found_handler, peer,
1029 peer->prof_start_time = GNUNET_TIME_absolute_get ();
1034 * DHT connect adapter. Opens a connection to the dht service.
1036 * @param cls Closure (peer).
1037 * @param cfg Configuration handle.
1042 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1044 struct RegexPeer *peer = cls;
1046 peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
1048 return peer->dht_handle;
1053 * Adapter function called to destroy a connection to the dht service.
1055 * @param cls Closure (peer).
1056 * @param op_result Service handle returned from the connect adapter.
1059 dht_da (void *cls, void *op_result)
1061 struct RegexPeer *peer = (struct RegexPeer *) cls;
1063 GNUNET_assert (peer->dht_handle == op_result);
1065 if (NULL != peer->search_handle)
1067 GNUNET_REGEX_search_cancel (peer->search_handle);
1068 peer->search_handle = NULL;
1071 if (NULL != peer->dht_handle)
1073 GNUNET_DHT_disconnect (peer->dht_handle);
1074 peer->dht_handle = NULL;
1080 * Signature of a main function for a testcase.
1083 * @param num_peers_ number of peers in 'peers'
1084 * @param peers handle to peers run in the testbed. NULL upon timeout (see
1085 * GNUNET_TESTBED_test_run()).
1086 * @param links_succeeded the number of overlay link connection attempts that
1088 * @param links_failed the number of overlay link connection attempts that
1092 test_master (void *cls,
1093 unsigned int num_peers_,
1094 struct GNUNET_TESTBED_Peer **testbed_peers,
1095 unsigned int links_succeeded,
1096 unsigned int links_failed)
1100 GNUNET_assert (num_peers_ == num_peers);
1102 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1103 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1104 "Testbed started in %s\n",
1105 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1107 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1109 GNUNET_SCHEDULER_cancel (abort_task);
1110 abort_task = GNUNET_SCHEDULER_NO_TASK;
1113 for (i = 0; i < num_peers; i++)
1115 peers[i].peer_handle = testbed_peers[i];
1118 GNUNET_CONFIGURATION_get_value_yesno (cfg, "DHT", "DISABLE_TRY_CONNECT"))
1120 struct GNUNET_TIME_Relative settle_time;
1123 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
1125 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1126 "Waiting for DHT for %s to settle new connections.\n\n",
1127 GNUNET_STRINGS_relative_time_to_string(settle_time, GNUNET_NO));
1128 GNUNET_SCHEDULER_add_delayed (settle_time, &do_announce, NULL);
1132 GNUNET_SCHEDULER_add_now (&do_announce, NULL);
1134 search_timeout_task =
1135 GNUNET_SCHEDULER_add_delayed (search_timeout_time, &search_timed_out, NULL);
1139 * Function that will be called whenever something in the testbed changes.
1141 * @param cls closure, NULL
1142 * @param event information on what is happening
1145 master_controller_cb (void *cls,
1146 const struct GNUNET_TESTBED_EventInformation *event)
1148 switch (event->type)
1150 case GNUNET_TESTBED_ET_CONNECT:
1153 case GNUNET_TESTBED_ET_PEER_START:
1163 /******************************************************************************/
1164 /*************************** TESTBED PEER SETUP *****************************/
1165 /******************************************************************************/
1169 * Load search strings from given filename. One search string per line.
1171 * @param filename filename of the file containing the search strings.
1172 * @param strings set of strings loaded from file. Caller needs to free this
1173 * if number returned is greater than zero.
1174 * @param limit upper limit on the number of strings read from the file
1175 * @return number of strings found in the file. GNUNET_SYSERR on error.
1178 load_search_strings (const char *filename, char ***strings, unsigned int limit)
1183 unsigned int offset;
1187 if (NULL == filename)
1189 return GNUNET_SYSERR;
1192 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1194 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1195 "Could not find search strings file %s\n", filename);
1196 return GNUNET_SYSERR;
1198 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1202 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1203 return GNUNET_SYSERR;
1205 data = GNUNET_malloc (filesize);
1206 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1209 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1211 return GNUNET_SYSERR;
1216 while (offset < (filesize - 1) && str_cnt < limit)
1219 if (((data[offset] == '\n')) && (buf != &data[offset]))
1221 data[offset] = '\0';
1223 buf = &data[offset + 1];
1225 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1226 buf = &data[offset + 1];
1228 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1230 for (i = 0; i < str_cnt; i++)
1232 GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
1233 offset += strlen (&data[offset]) + 1;
1241 * Main function that will be run by the scheduler.
1243 * @param cls closure
1244 * @param args remaining command-line arguments
1245 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1246 * @param config configuration
1249 run (void *cls, char *const *args, const char *cfgfile,
1250 const struct GNUNET_CONFIGURATION_Handle *config)
1252 unsigned int nsearchstrs;
1254 struct GNUNET_TIME_Relative abort_time;
1256 in_shutdown = GNUNET_NO;
1261 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1262 _("No configuration file given. Exiting\n"));
1263 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1266 cfg = GNUNET_CONFIGURATION_dup (config);
1268 GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER",
1272 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1273 _("Configuration option \"regex_prefix\" missing. Exiting\n"));
1274 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1278 GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER",
1279 "PARALLEL_SEARCHES",
1280 &init_parallel_searches))
1282 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1283 "Configuration option \"PARALLEL_SEARCHES\" missing."
1284 " Using default (%d)\n", 10);
1285 init_parallel_searches = 10;
1288 GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
1289 "REANNOUNCE_PERIOD_MAX",
1290 &reannounce_period_max))
1292 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1293 "reannounce_period_max not given. Using 10 minutes.\n");
1294 reannounce_period_max =
1295 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
1298 /* Check arguments */
1299 if (NULL == policy_dir)
1301 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1302 _("No policy directory specified on command line. Exiting.\n"));
1305 if (GNUNET_YES != GNUNET_DISK_directory_test (policy_dir, GNUNET_YES))
1307 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1308 _("Specified policies directory does not exist. Exiting.\n"));
1309 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1312 if (-1 == (num_peers = GNUNET_DISK_directory_scan (policy_dir, NULL, NULL)))
1314 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1315 _("No files found in `%s'\n"),
1319 GNUNET_CONFIGURATION_set_value_string (cfg, "REGEXPROFILER",
1320 "POLICY_DIR", policy_dir);
1321 if (GNUNET_YES != GNUNET_DISK_file_test (strings_file))
1323 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1324 _("No search strings file given. Exiting.\n"));
1325 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1328 nsearchstrs = load_search_strings (strings_file,
1331 if (num_peers != nsearchstrs)
1333 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1334 "Error loading search strings.\n");
1335 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1336 "File (%s) does not contain enough strings (%u/%u).\n",
1337 strings_file, nsearchstrs, num_peers);
1338 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1341 if (0 >= num_peers || NULL == search_strings)
1343 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1344 _("Error loading search strings. Exiting.\n"));
1345 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1348 for (i = 0; i < num_peers; i++)
1349 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1350 "search string: %s\n",
1354 if ( (NULL != data_filename) &&
1355 (NULL == (data_file =
1356 GNUNET_DISK_file_open (data_filename,
1357 GNUNET_DISK_OPEN_READWRITE |
1358 GNUNET_DISK_OPEN_TRUNCATE |
1359 GNUNET_DISK_OPEN_CREATE,
1360 GNUNET_DISK_PERM_USER_READ |
1361 GNUNET_DISK_PERM_USER_WRITE))) )
1363 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
1369 /* Initialize peers */
1370 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1371 for (i = 0; i < num_peers; i++)
1376 GNUNET_CONFIGURATION_set_value_number (cfg,
1377 "TESTBED", "OVERLAY_RANDOM_LINKS",
1379 GNUNET_CONFIGURATION_set_value_number (cfg,
1381 (long long unsigned) log2 (num_peers));
1383 /* For feedback about the start process activate these and pass master_cb */
1384 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1385 // event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1386 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1387 // event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1388 prof_start_time = GNUNET_TIME_absolute_get ();
1389 GNUNET_TESTBED_run (hosts_file,
1393 &master_controller_cb,
1394 NULL, /* master_controller_cb cls */
1396 NULL); /* test_master cls */
1398 GNUNET_CONFIGURATION_get_value_time (cfg, "TESTBED",
1403 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
1405 abort_time = GNUNET_TIME_relative_add (abort_time, GNUNET_TIME_UNIT_MINUTES);
1407 GNUNET_SCHEDULER_add_delayed (abort_time,
1416 * @param argc argument count
1417 * @param argv argument values
1418 * @return 0 on success
1421 main (int argc, char *const *argv)
1423 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1424 {'o', "output-file", "FILENAME",
1425 gettext_noop ("name of the file for writing statistics"),
1426 GNUNET_YES, &GNUNET_GETOPT_set_string, &data_filename},
1427 {'t', "matching-timeout", "TIMEOUT",
1428 gettext_noop ("wait TIMEOUT before ending the experiment"),
1429 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout_time},
1430 {'p', "policy-dir", "DIRECTORY",
1431 gettext_noop ("directory with policy files"),
1432 GNUNET_YES, &GNUNET_GETOPT_set_filename, &policy_dir},
1433 {'s', "strings-file", "FILENAME",
1434 gettext_noop ("name of file with input strings"),
1435 GNUNET_YES, &GNUNET_GETOPT_set_filename, &strings_file},
1436 {'H', "hosts-file", "FILENAME",
1437 gettext_noop ("name of file with hosts' names"),
1438 GNUNET_YES, &GNUNET_GETOPT_set_filename, &hosts_file},
1439 GNUNET_GETOPT_OPTION_END
1443 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1445 result = GNUNET_SYSERR;
1447 GNUNET_PROGRAM_run (argc, argv,
1448 "gnunet-regex-profiler",
1449 _("Profiler for regex"),
1450 options, &run, NULL);
1451 if (GNUNET_OK != ret)
1453 if (GNUNET_OK != result)