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3 (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
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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_dht_service.h"
36 #include "gnunet_testbed_service.h"
44 * The testbed operation handle
46 struct GNUNET_TESTBED_Operation *op;
54 * The next pointer for DLL
56 struct DLLOperation *next;
59 * The prev pointer for DLL
61 struct DLLOperation *prev;
66 * Available states during profiling
78 STATE_SLAVES_STARTING,
96 * Matching strings against announced regexes
101 * Destroying peers; we can do this as the controller takes care of stopping a
102 * peer if it is running
104 STATE_PEERS_DESTROYING
119 * Peer configuration handle.
121 struct GNUNET_CONFIGURATION_Handle *cfg;
124 * The actual testbed peer handle.
126 struct GNUNET_TESTBED_Peer *peer_handle;
129 * Host on which the peer is running.
131 struct GNUNET_TESTBED_Host *host_handle;
134 * Filename of the peer's policy file.
139 * Peers search string.
141 const char *search_str;
144 * Set to GNUNET_YES if the peer successfully matched the above
145 * search string. GNUNET_NO if the string could not be matched
146 * during the profiler run. GNUNET_SYSERR if the string matching
147 * timed out. Undefined if search_str is NULL
149 int search_str_matched;
154 struct GNUNET_DHT_Handle *dht_handle;
157 * Handle to a running regex search.
159 struct GNUNET_REGEX_search_handle *search_handle;
162 * Testbed operation handle for the dht service.
164 struct GNUNET_TESTBED_Operation *dht_op_handle;
167 * Peers's statistics handle.
169 struct GNUNET_STATISTICS_Handle *stats_handle;
172 * Testbed operation handle for the statistics service.
174 struct GNUNET_TESTBED_Operation *stats_op_handle;
177 * The starting time of a profiling step.
179 struct GNUNET_TIME_Absolute prof_start_time;
184 * An array of hosts loaded from the hostkeys file
186 static struct GNUNET_TESTBED_Host **hosts;
189 * Array of peer handles used to pass to
190 * GNUNET_TESTBED_overlay_configure_topology
192 static struct GNUNET_TESTBED_Peer **peer_handles;
195 * The array of peers; we fill this as the peers are given to us by the testbed
197 static struct RegexPeer *peers;
200 * Host registration handle
202 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
205 * Handle to the master controller process
207 static struct GNUNET_TESTBED_ControllerProc *mc_proc;
210 * Handle to the master controller
212 static struct GNUNET_TESTBED_Controller *mc;
215 * Handle to global configuration
217 static struct GNUNET_CONFIGURATION_Handle *cfg;
220 * Head of the operations list
222 static struct DLLOperation *dll_op_head;
225 * Tail of the operations list
227 static struct DLLOperation *dll_op_tail;
230 * Peer linking - topology operation
232 static struct GNUNET_TESTBED_Operation *topology_op;
235 * The handle for whether a host is habitable or not
237 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
240 * Abort task identifier
242 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
245 * Shutdown task identifier
247 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
250 * Host registration task identifier
252 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
255 * Global event mask for all testbed events
257 static uint64_t event_mask;
260 * The starting time of a profiling step
262 static struct GNUNET_TIME_Absolute prof_start_time;
265 * Duration profiling step has taken
267 static struct GNUNET_TIME_Relative prof_time;
270 * Number of peers to be started by the profiler
272 static unsigned int num_peers;
275 * Number of hosts in the hosts array
277 static unsigned int num_hosts;
280 * Factor of number of links. num_links = num_peers * linking_factor.
282 static unsigned int linking_factor;
285 * Number of random links to be established between peers
287 static unsigned int num_links;
290 * Number of times we try overlay connect operations
292 static unsigned int retry_links;
295 * Continuous failures during overlay connect operations
297 static unsigned int cont_fails;
300 * Global testing status
305 * current state of profiling
310 * Folder where policy files are stored.
312 static char * policy_dir;
317 static char **search_strings;
320 * Number of search strings.
322 static int num_search_strings;
325 * Number of peers found with search strings.
327 static unsigned int peers_found;
330 * Search task identifier
332 static GNUNET_SCHEDULER_TaskIdentifier search_task;
335 * Search timeout task identifier.
337 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
340 * Search timeout in seconds.
342 static struct GNUNET_TIME_Relative search_timeout = { 60000 };
345 * How long do we wait before starting the search?
348 static struct GNUNET_TIME_Relative search_delay = { 60000 };
351 * File to log statistics to.
353 static struct GNUNET_DISK_FileHandle *data_file;
356 * Filename to log statistics to.
358 static char *data_filename;
361 * Maximal path compression length.
363 static unsigned int max_path_compression;
366 * If we should distribute the search evenly throught all peers (each
367 * peer searches for a string) or if only one peer should search for
370 static int no_distributed_search;
373 * Prefix used for regex announcing. We need to prefix the search
374 * strings with it, in order to find something.
376 static char * regex_prefix;
379 /******************************************************************************/
380 /****************************** DECLARATIONS ********************************/
381 /******************************************************************************/
385 * Search callback function.
387 * @param cls Closure provided in GNUNET_REGEX_search.
388 * @param id Peer providing a regex that matches the string.
389 * @param get_path Path of the get request.
390 * @param get_path_length Lenght of get_path.
391 * @param put_path Path of the put request.
392 * @param put_path_length Length of the put_path.
395 regex_found_handler (void *cls,
396 const struct GNUNET_PeerIdentity *id,
397 const struct GNUNET_PeerIdentity *get_path,
398 unsigned int get_path_length,
399 const struct GNUNET_PeerIdentity *put_path,
400 unsigned int put_path_length);
404 * DHT connect callback.
406 * @param cls internal peer id.
407 * @param op operation handle.
408 * @param ca_result connect adapter result.
409 * @param emsg error message.
412 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
413 void *ca_result, const char *emsg);
416 * DHT connect adapter.
418 * @param cls not used.
419 * @param cfg configuration handle.
424 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
428 * Adapter function called to destroy a connection to
432 * @param op_result service handle returned from the connect adapter
435 dht_da (void *cls, void *op_result);
439 * Function called by testbed once we are connected to stats
440 * service. Get the statistics for the services of interest.
442 * @param cls the 'struct RegexPeer' for which we connected to stats
443 * @param op connect operation handle
444 * @param ca_result handle to stats service
445 * @param emsg error message on failure
448 stats_connect_cb (void *cls,
449 struct GNUNET_TESTBED_Operation *op,
455 * Task to collect all statistics from all peers, will shutdown the
456 * profiler, when done.
459 * @param tc the task context
462 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
465 /******************************************************************************/
466 /******************************** SHUTDOWN **********************************/
467 /******************************************************************************/
474 * @param tc the task context
477 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
479 struct DLLOperation *dll_op;
480 struct RegexPeer *peer;
482 unsigned int peer_cnt;
483 unsigned int search_str_cnt;
484 char output_buffer[512];
487 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
488 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
489 GNUNET_SCHEDULER_cancel (abort_task);
490 if (NULL != hc_handles)
492 for (nhost = 0; nhost < num_hosts; nhost++)
493 if (NULL != hc_handles[nhost])
494 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
495 GNUNET_free (hc_handles);
498 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
499 GNUNET_SCHEDULER_cancel (register_hosts_task);
501 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
503 peer = &peers[peer_cnt];
505 if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
507 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
509 GNUNET_snprintf (output_buffer,
510 sizeof (output_buffer),
511 "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
512 peer, peer->search_str, peer->search_str_matched,
513 peer, peer->id, peer,
514 peer, peer->policy_file,
516 GNUNET_STRINGS_relative_time_to_string (prof_time,
518 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
519 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
522 if (NULL != peers[peer_cnt].dht_op_handle)
523 GNUNET_TESTBED_operation_done (peers[peer_cnt].dht_op_handle);
524 if (NULL != peers[peer_cnt].stats_op_handle)
525 GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
528 if (NULL != data_file)
529 GNUNET_DISK_file_close (data_file);
531 for (search_str_cnt = 0;
532 search_str_cnt < num_search_strings && NULL != search_strings;
535 GNUNET_free_non_null (search_strings[search_str_cnt]);
537 GNUNET_free_non_null (search_strings);
539 if (NULL != reg_handle)
540 GNUNET_TESTBED_cancel_registration (reg_handle);
541 if (NULL != topology_op)
542 GNUNET_TESTBED_operation_done (topology_op);
543 for (nhost = 0; nhost < num_hosts; nhost++)
544 if (NULL != hosts[nhost])
545 GNUNET_TESTBED_host_destroy (hosts[nhost]);
546 GNUNET_free_non_null (hosts);
548 while (NULL != (dll_op = dll_op_head))
550 GNUNET_TESTBED_operation_done (dll_op->op);
551 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
552 GNUNET_free (dll_op);
555 GNUNET_TESTBED_controller_disconnect (mc);
557 GNUNET_TESTBED_controller_stop (mc_proc);
559 GNUNET_CONFIGURATION_destroy (cfg);
561 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
566 * abort task to run on test timed out
569 * @param tc the task context
572 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
574 unsigned long i = (unsigned long) cls;
576 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
577 abort_task = GNUNET_SCHEDULER_NO_TASK;
578 result = GNUNET_SYSERR;
579 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
580 GNUNET_SCHEDULER_cancel (shutdown_task);
581 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
585 /******************************************************************************/
586 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
587 /******************************************************************************/
590 * Adapter function called to establish a connection to
591 * statistics service.
594 * @param cfg configuration of the peer to connect to; will be available until
595 * GNUNET_TESTBED_operation_done() is called on the operation returned
596 * from GNUNET_TESTBED_service_connect()
597 * @return service handle to return in 'op_result', NULL on error
600 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
602 return GNUNET_STATISTICS_create ("<driver>", cfg);
607 * Adapter function called to destroy a connection to
608 * statistics service.
611 * @param op_result service handle returned from the connect adapter
614 stats_da (void *cls, void *op_result)
616 struct RegexPeer *peer = cls;
618 GNUNET_assert (op_result == peer->stats_handle);
620 GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
621 peer->stats_handle = NULL;
626 * Process statistic values. Write all values to global 'data_file', if present.
629 * @param subsystem name of subsystem that created the statistic
630 * @param name the name of the datum
631 * @param value the current value
632 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
633 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
636 stats_iterator (void *cls, const char *subsystem, const char *name,
637 uint64_t value, int is_persistent)
639 struct RegexPeer *peer = cls;
640 char output_buffer[512];
643 if (NULL == data_file)
645 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
646 "%p -> %s [%s]: %llu\n",
647 peer, subsystem, name, value);
651 GNUNET_snprintf (output_buffer,
652 sizeof (output_buffer),
655 subsystem, value, name);
656 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
657 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
664 * Stats callback. Finish the stats testbed operation and when all stats have
665 * been iterated, shutdown the profiler.
668 * @param success GNUNET_OK if statistics were
669 * successfully obtained, GNUNET_SYSERR if not.
675 static unsigned int peer_cnt;
676 struct RegexPeer *peer = cls;
678 if (GNUNET_OK != success)
680 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
681 "Getting statistics for peer %u failed!\n",
686 GNUNET_assert (NULL != peer->stats_op_handle);
688 GNUNET_TESTBED_operation_done (peer->stats_op_handle);
689 peer->stats_op_handle = NULL;
692 peer = &peers[peer_cnt];
694 if (peer_cnt == num_peers)
696 struct GNUNET_TIME_Relative delay = { 100 };
697 shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
701 peer->stats_op_handle =
702 GNUNET_TESTBED_service_connect (NULL,
715 * Function called by testbed once we are connected to stats
716 * service. Get the statistics for the services of interest.
718 * @param cls the 'struct RegexPeer' for which we connected to stats
719 * @param op connect operation handle
720 * @param ca_result handle to stats service
721 * @param emsg error message on failure
724 stats_connect_cb (void *cls,
725 struct GNUNET_TESTBED_Operation *op,
729 struct RegexPeer *peer = cls;
731 if (NULL == ca_result || NULL != emsg)
733 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
734 "Failed to connect to statistics service on peer %u: %s\n",
737 peer->stats_handle = NULL;
741 peer->stats_handle = ca_result;
743 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
744 GNUNET_TIME_UNIT_FOREVER_REL,
746 &stats_iterator, peer))
748 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
749 "Could not get statistics of peer %u!\n", peer->id);
755 * Task to collect all statistics from all peers, will shutdown the
756 * profiler, when done.
759 * @param tc the task context
762 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
764 struct RegexPeer *peer = &peers[0];
766 GNUNET_assert (NULL != peer->peer_handle);
768 peer->stats_op_handle =
769 GNUNET_TESTBED_service_connect (NULL,
780 /******************************************************************************/
781 /************************ MESH SERVICE CONNECTIONS **************************/
782 /******************************************************************************/
785 * Method called when we've found a peer that announced a regex
786 * that matches our search string. Now get the statistics.
788 * @param cls Closure provided in GNUNET_REGEX_search.
789 * @param id Peer providing a regex that matches the string.
790 * @param get_path Path of the get request.
791 * @param get_path_length Lenght of get_path.
792 * @param put_path Path of the put request.
793 * @param put_path_length Length of the put_path.
796 regex_found_handler (void *cls,
797 const struct GNUNET_PeerIdentity *id,
798 const struct GNUNET_PeerIdentity *get_path,
799 unsigned int get_path_length,
800 const struct GNUNET_PeerIdentity *put_path,
801 unsigned int put_path_length)
803 struct RegexPeer *peer = cls;
804 char output_buffer[512];
807 if (GNUNET_YES == peer->search_str_matched)
809 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
810 "String %s on peer %u already matched!\n",
811 peer->search_str, peer->id);
819 // FIXME not possible right now
820 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
821 "String matching timed out for string %s on peer %u (%i/%i)\n",
822 peer->search_str, peer->id, peers_found, num_search_strings);
824 printf ("String matching timed out for string %s on peer %u (%i/%i)\n",
825 peer->search_str, peer->id, peers_found, num_search_strings);
827 peer->search_str_matched = GNUNET_SYSERR;
831 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
832 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
833 "String %s successfully matched on peer %u after %s (%i/%i)\n",
834 peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
835 peers_found, num_search_strings);
837 printf ("String %s successfully matched on peer %u after %s (%i/%i)\n",
838 peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
839 peers_found, num_search_strings);
842 peer->search_str_matched = GNUNET_YES;
844 if (NULL != data_file)
847 GNUNET_snprintf (output_buffer,
848 sizeof (output_buffer),
849 "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n"
850 "%p Search string: %s\n%p Search duration: %s\n\n",
853 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
854 peer, peer->policy_file,
855 peer, peer->search_str,
857 GNUNET_STRINGS_relative_time_to_string (prof_time,
860 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
861 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
865 GNUNET_TESTBED_operation_done (peer->dht_op_handle);
866 peer->dht_op_handle = NULL;
868 if (peers_found == num_search_strings)
870 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
871 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
872 "All strings successfully matched in %s\n",
873 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
874 printf ("All strings successfully matched.\n");
877 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
878 GNUNET_SCHEDULER_cancel (search_timeout_task);
880 printf ("Collecting stats and shutting down.\n");
881 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
887 * Connect by string timeout task. This will cancel the profiler after the
888 * specified timeout 'search_timeout'.
891 * @param tc the task context
894 do_connect_by_string_timeout (void *cls,
895 const struct GNUNET_SCHEDULER_TaskContext * tc)
897 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
898 "Finding matches to all strings did not succeed after %s.\n",
899 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
900 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
901 "Found %i of %i strings\n", peers_found, num_search_strings);
903 printf ("Search timed out after %s. Collecting stats and shutting down.\n",
904 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
907 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
912 * Connect by string task that is run to search for a string in the
913 * NFA. It first connects to the mesh service and when a connection is
914 * established it starts to search for the string.
917 * @param tc the task context
920 do_connect_by_string (void *cls,
921 const struct GNUNET_SCHEDULER_TaskContext * tc)
923 printf ("Starting string search.\n");
926 peers[0].search_str = search_strings[0];
927 peers[0].search_str_matched = GNUNET_NO;
929 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
930 "Searching for string \"%s\" on peer %d with file %s\n",
931 peers[0].search_str, 0, peers[0].policy_file);
933 /* First connect to mesh service, then search for string. Next
934 connect will be in mesh_connect_cb */
935 peers[0].dht_op_handle =
936 GNUNET_TESTBED_service_connect (NULL,
937 peers[0].peer_handle,
945 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
946 &do_connect_by_string_timeout, NULL);
950 * Start searching for the next string in the DHT.
952 * @param cls Index of the next peer in the peers array.
953 * @param tc TaskContext.
956 find_next_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
958 long next_p = (long) cls;
960 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
963 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
964 "Searching for string \"%s\" on peer %d with file %s\n",
965 peers[next_p].search_str, next_p, peers[next_p].policy_file);
968 * dont connect to a new dht for each peer, we might want to seach for n
969 * strings on m peers where n > m
971 peers[next_p].dht_op_handle =
972 GNUNET_TESTBED_service_connect (NULL,
973 peers[next_p].peer_handle,
983 * DHT connect callback. Called when we are connected to the dht service for
984 * the peer in 'cls'. If successfull we connect to the stats service of this
985 * peer and then try to match the search string of this peer.
987 * @param cls internal peer id.
988 * @param op operation handle.
989 * @param ca_result connect adapter result.
990 * @param emsg error message.
993 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
994 void *ca_result, const char *emsg)
996 struct RegexPeer *peer = (struct RegexPeer *) cls;
997 static unsigned int peer_cnt;
1000 if (NULL != emsg || NULL == op || NULL == ca_result)
1002 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
1006 GNUNET_assert (NULL != peer->dht_handle);
1007 GNUNET_assert (peer->dht_op_handle == op);
1008 GNUNET_assert (peer->dht_handle == ca_result);
1010 peer->search_str_matched = GNUNET_NO;
1011 peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
1013 ®ex_found_handler, peer,
1015 peer->prof_start_time = GNUNET_TIME_absolute_get ();
1017 if (peer_cnt < (num_search_strings - 1))
1019 if (GNUNET_YES == no_distributed_search)
1022 next_p = (++peer_cnt % num_peers);
1024 peers[next_p].search_str = search_strings[next_p];
1025 peers[next_p].search_str_matched = GNUNET_NO;
1027 /* Don't start all searches at once */
1028 /* TODO add some intelligence to the timeout */
1029 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
1031 (void *) (long) next_p);
1037 * DHT connect adapter. Opens a connection to the dht service.
1039 * @param cls Closure (peer).
1040 * @param cfg Configuration handle.
1045 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1047 struct RegexPeer *peer = cls;
1049 peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
1051 return peer->dht_handle;
1056 * Adapter function called to destroy a connection to the dht service.
1058 * @param cls Closure (peer).
1059 * @param op_result Service handle returned from the connect adapter.
1062 dht_da (void *cls, void *op_result)
1064 struct RegexPeer *peer = (struct RegexPeer *) cls;
1066 GNUNET_assert (peer->dht_handle == op_result);
1068 if (NULL != peer->search_handle)
1070 GNUNET_REGEX_search_cancel (peer->search_handle);
1071 peer->search_handle = NULL;
1074 if (NULL != peer->dht_handle)
1076 GNUNET_DHT_disconnect (peer->dht_handle);
1077 peer->dht_handle = NULL;
1082 /******************************************************************************/
1083 /*************************** TESTBED PEER SETUP *****************************/
1084 /******************************************************************************/
1088 * Configure the peer overlay topology.
1091 * @param tc the task context
1094 do_configure_topology (void *cls,
1095 const struct GNUNET_SCHEDULER_TaskContext * tc)
1098 if (0 == linking_factor)
1100 num_links = linking_factor * num_peers;
1102 /* num_links = num_peers - 1; */
1103 num_links = linking_factor;
1105 /* Do overlay connect */
1106 prof_start_time = GNUNET_TIME_absolute_get ();
1108 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
1112 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
1114 GNUNET_TESTBED_TOPOLOGY_RETRY_CNT,
1116 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
1117 if (NULL == topology_op)
1119 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1120 "Cannot create topology, op handle was NULL\n");
1127 * Functions of this signature are called when a peer has been successfully
1128 * started or stopped.
1130 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
1131 * @param emsg NULL on success; otherwise an error description
1134 peer_churn_cb (void *cls, const char *emsg)
1136 struct DLLOperation *dll_op = cls;
1137 struct GNUNET_TESTBED_Operation *op;
1138 static unsigned int started_peers;
1139 unsigned int peer_cnt;
1142 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1143 GNUNET_free (dll_op);
1146 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1147 _("An operation has failed while starting peers: %s\n"), emsg);
1148 GNUNET_TESTBED_operation_done (op);
1149 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1150 GNUNET_SCHEDULER_cancel (abort_task);
1151 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1154 GNUNET_TESTBED_operation_done (op);
1155 if (++started_peers == num_peers)
1157 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1158 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1159 "All peers started successfully in %s\n",
1160 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1163 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
1164 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1165 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
1167 state = STATE_PEERS_LINKING;
1168 GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
1174 * Functions of this signature are called when a peer has been successfully
1177 * @param cls the closure from GNUNET_TESTBED_peer_create()
1178 * @param peer the handle for the created peer; NULL on any error during
1180 * @param emsg NULL if peer is not NULL; else MAY contain the error description
1183 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
1185 struct DLLOperation *dll_op = cls;
1186 struct RegexPeer *peer_ptr;
1187 static unsigned int created_peers;
1188 unsigned int peer_cnt;
1192 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1193 _("Creating a peer failed. Error: %s\n"), emsg);
1194 GNUNET_TESTBED_operation_done (dll_op->op);
1195 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1196 GNUNET_free (dll_op);
1197 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1198 GNUNET_SCHEDULER_cancel (abort_task);
1199 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1203 peer_ptr = dll_op->cls;
1204 GNUNET_assert (NULL == peer_ptr->peer_handle);
1205 GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
1206 peer_ptr->cfg = NULL;
1207 peer_ptr->peer_handle = peer;
1208 GNUNET_TESTBED_operation_done (dll_op->op);
1209 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1210 GNUNET_free (dll_op);
1212 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
1214 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
1216 if (++created_peers == num_peers)
1218 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1219 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1220 "All peers created successfully in %s\n",
1221 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1222 /* Now peers are to be started */
1223 state = STATE_PEERS_STARTING;
1224 prof_start_time = GNUNET_TIME_absolute_get ();
1225 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1227 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1228 dll_op->op = GNUNET_TESTBED_peer_start (dll_op,
1229 peers[peer_cnt].peer_handle,
1230 &peer_churn_cb, dll_op);
1231 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1238 * Function called with a filename for each file in the policy directory. Create
1239 * a peer for each filename and update the peer's configuration to include the
1240 * max_path_compression specified as a command line argument as well as the
1241 * policy_file for this peer. The gnunet-service-regexprofiler service is
1242 * automatically started on this peer. The service reads the configurration and
1243 * announces the regexes stored in the policy file 'filename'.
1245 * @param cls closure
1246 * @param filename complete filename (absolute path)
1247 * @return GNUNET_OK to continue to iterate,
1248 * GNUNET_SYSERR to abort iteration with error!
1251 policy_filename_cb (void *cls, const char *filename)
1253 static unsigned int peer_cnt;
1254 struct DLLOperation *dll_op;
1255 struct RegexPeer *peer = &peers[peer_cnt];
1257 GNUNET_assert (NULL != peer);
1259 peer->policy_file = GNUNET_strdup (filename);
1261 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Creating peer %i on host %s for policy file %s\n",
1263 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
1266 /* Set configuration options specific for this peer
1267 (max_path_compression and policy_file */
1268 peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
1269 GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
1270 "MAX_PATH_COMPRESSION",
1271 (unsigned long long)max_path_compression);
1272 GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
1273 "POLICY_FILE", filename);
1275 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1276 dll_op->cls = &peers[peer_cnt];
1277 dll_op->op = GNUNET_TESTBED_peer_create (mc,
1282 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1291 * Controller event callback.
1294 * @param event the controller event
1297 controller_event_cb (void *cls,
1298 const struct GNUNET_TESTBED_EventInformation *event)
1300 struct DLLOperation *dll_op;
1301 struct GNUNET_TESTBED_Operation *op;
1306 case STATE_SLAVES_STARTING:
1307 switch (event->type)
1309 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1311 static unsigned int slaves_started;
1312 unsigned int peer_cnt;
1314 dll_op = event->details.operation_finished.op_cls;
1315 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1316 GNUNET_free (dll_op);
1317 op = event->details.operation_finished.operation;
1318 if (NULL != event->details.operation_finished.emsg)
1320 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1321 _("An operation has failed while starting slaves\n"));
1322 GNUNET_TESTBED_operation_done (op);
1323 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1324 GNUNET_SCHEDULER_cancel (abort_task);
1325 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1328 GNUNET_TESTBED_operation_done (op);
1329 /* Proceed to start peers */
1330 if (++slaves_started == num_hosts - 1)
1332 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1333 "All slaves started successfully\n");
1335 state = STATE_PEERS_CREATING;
1336 prof_start_time = GNUNET_TIME_absolute_get ();
1338 if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
1342 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1343 _("No files found in `%s'\n"),
1345 GNUNET_SCHEDULER_shutdown ();
1348 num_peers = (unsigned int) ret;
1349 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1351 /* Initialize peers */
1352 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1354 struct RegexPeer *peer = &peers[peer_cnt];
1355 peer->id = peer_cnt;
1356 peer->policy_file = NULL;
1357 /* Do not start peers on hosts[0] (master controller) */
1358 peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
1359 peer->dht_handle = NULL;
1360 peer->search_handle = NULL;
1361 peer->stats_handle = NULL;
1362 peer->stats_op_handle = NULL;
1363 peer->search_str = NULL;
1364 peer->search_str_matched = GNUNET_NO;
1367 GNUNET_DISK_directory_scan (policy_dir,
1368 &policy_filename_cb,
1377 case STATE_PEERS_STARTING:
1378 switch (event->type)
1380 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1381 /* Control reaches here when peer start fails */
1382 case GNUNET_TESTBED_ET_PEER_START:
1383 /* we handle peer starts in peer_churn_cb */
1389 case STATE_PEERS_LINKING:
1390 switch (event->type)
1392 static unsigned int established_links;
1393 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1394 /* Control reaches here when a peer linking operation fails */
1395 if (NULL != event->details.operation_finished.emsg)
1397 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1398 _("An operation has failed while linking\n"));
1399 printf ("F%u ", retry_links);
1403 /* We do no retries, consider this link as established */
1405 case GNUNET_TESTBED_ET_CONNECT:
1407 char output_buffer[512];
1410 if (0 == established_links)
1411 printf ("Establishing links .");
1417 if (++established_links == num_links)
1420 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1421 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1422 "%u links established in %s\n",
1424 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1426 GNUNET_free (peer_handles);
1428 if (NULL != data_file)
1431 GNUNET_snprintf (output_buffer,
1432 sizeof (output_buffer),
1433 "# of peers: %u\n# of links established: %u\n"
1434 "Time to establish links: %s\nLinking failures: %u\n"
1435 "path compression length: %u\n# of search strings: %u\n",
1437 (established_links - cont_fails),
1438 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
1440 max_path_compression,
1441 num_search_strings);
1443 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
1444 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
1447 printf ("\nWaiting %s before starting to search.\n",
1448 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
1451 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1452 "Waiting %s before starting to search.\n",
1453 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_NO));
1455 state = STATE_SEARCH_REGEX;
1457 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
1458 &do_connect_by_string, NULL);
1466 case STATE_SEARCH_REGEX:
1468 /* Handled in service connect callback */
1474 case STATE_PEERS_CREATING:
1475 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
1478 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1479 "Unexpected controller_cb with state %i!\n", state);
1487 * Task to register all hosts available in the global host list.
1490 * @param tc the scheduler task context
1493 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1497 * Callback which will be called to after a host registration succeeded or failed
1499 * @param cls the closure
1500 * @param emsg the error message; NULL if host registration is successful
1503 host_registration_completion (void *cls, const char *emsg)
1508 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1509 _("Host registration failed for a host. Error: %s\n"), emsg);
1510 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1511 GNUNET_SCHEDULER_cancel (abort_task);
1512 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1515 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1520 * Task to register all hosts available in the global host list.
1523 * @param tc the scheduler task context
1526 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1528 struct DLLOperation *dll_op;
1529 static unsigned int reg_host;
1532 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1533 if (reg_host == num_hosts - 1)
1535 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1536 "All hosts successfully registered\n");
1538 state = STATE_SLAVES_STARTING;
1539 for (slave = 1; slave < num_hosts; slave++)
1541 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1542 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1548 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1552 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1553 host_registration_completion,
1559 * Callback to signal successfull startup of the controller process.
1561 * @param cls the closure from GNUNET_TESTBED_controller_start()
1562 * @param config the configuration with which the controller has been started;
1563 * NULL if status is not GNUNET_OK
1564 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1565 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1568 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1570 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1571 GNUNET_SCHEDULER_cancel (abort_task);
1572 if (GNUNET_OK != status)
1575 printf("Oh, dear!\n");
1576 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1580 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1581 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1582 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1583 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1584 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1585 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1586 &controller_event_cb, NULL);
1589 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1590 _("Unable to connect to master controller -- Check config\n"));
1591 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1594 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1595 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1596 &do_abort, (void*) __LINE__);
1601 * Load search strings from given filename. One search string per line.
1603 * @param filename filename of the file containing the search strings.
1604 * @param strings set of strings loaded from file. Caller needs to free this
1605 * if number returned is greater than zero.
1606 * @param limit upper limit on the number of strings read from the file
1607 * @return number of strings found in the file. GNUNET_SYSERR on error.
1610 load_search_strings (const char *filename, char ***strings, unsigned int limit)
1615 unsigned int offset;
1619 if (NULL == filename)
1621 return GNUNET_SYSERR;
1624 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1626 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1627 "Could not find search strings file %s\n", filename);
1628 return GNUNET_SYSERR;
1630 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1634 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1635 return GNUNET_SYSERR;
1637 data = GNUNET_malloc (filesize);
1638 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1641 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1643 return GNUNET_SYSERR;
1648 while (offset < (filesize - 1) && str_cnt < limit)
1651 if (((data[offset] == '\n')) && (buf != &data[offset]))
1653 data[offset] = '\0';
1655 buf = &data[offset + 1];
1657 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1658 buf = &data[offset + 1];
1660 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1662 for (i = 0; i < str_cnt; i++)
1664 GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
1665 offset += strlen (&data[offset]) + 1;
1673 * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
1674 * inform whether the given host is habitable or not. The Handle returned by
1675 * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
1678 * @param host the host whose status is being reported; will be NULL if the host
1679 * given to GNUNET_TESTBED_is_host_habitable() is NULL
1680 * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
1683 host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
1685 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
1686 static unsigned int hosts_checked;
1689 if (GNUNET_NO == status)
1691 if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
1692 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
1693 GNUNET_TESTBED_host_get_hostname (host));
1695 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
1696 GNUNET_SCHEDULER_cancel (abort_task);
1697 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1701 /* printf (_("\rChecked %u hosts"), hosts_checked); */
1702 /* fflush (stdout); */
1703 if (hosts_checked < num_hosts)
1705 /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
1706 GNUNET_free (hc_handles);
1709 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1719 * Main function that will be run by the scheduler.
1721 * @param cls closure
1722 * @param args remaining command-line arguments
1723 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1724 * @param config configuration
1727 run (void *cls, char *const *args, const char *cfgfile,
1728 const struct GNUNET_CONFIGURATION_Handle *config)
1731 unsigned int nsearchstrs;
1733 if (NULL == args[0])
1735 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1738 if (NULL == args[1])
1740 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1743 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
1746 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
1749 printf (_("Checking whether given hosts can start testbed. Please wait\n"));
1750 hc_handles = GNUNET_malloc (sizeof (struct
1751 GNUNET_TESTBED_HostHabitableCheckHandle *)
1753 for (nhost = 0; nhost < num_hosts; nhost++)
1755 hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
1757 &hc_handles[nhost]);
1758 if (NULL == hc_handles[nhost])
1763 for (i = 0; i <= nhost; i++)
1764 if (NULL != hc_handles[i])
1765 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[i]);
1766 GNUNET_free (hc_handles);
1771 if (num_hosts != nhost)
1773 fprintf (stderr, _("Exiting\n"));
1774 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1779 fprintf (stderr, _("No configuration file given. Exiting\n"));
1780 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1785 GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
1788 fprintf (stderr, _("Configuration option (regex_prefix) missing. Exiting\n"));
1789 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1793 if ( (NULL != data_filename) &&
1794 (NULL == (data_file =
1795 GNUNET_DISK_file_open (data_filename,
1796 GNUNET_DISK_OPEN_READWRITE |
1797 GNUNET_DISK_OPEN_TRUNCATE |
1798 GNUNET_DISK_OPEN_CREATE,
1799 GNUNET_DISK_PERM_USER_READ |
1800 GNUNET_DISK_PERM_USER_WRITE))) )
1801 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
1804 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
1806 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
1807 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1810 policy_dir = args[1];
1811 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
1813 fprintf (stderr, _("No search strings file given. Exiting.\n"));
1814 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1817 nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
1818 if (num_search_strings != nsearchstrs)
1820 num_search_strings = nsearchstrs;
1821 fprintf (stderr, _("Error loading search strings. Given file does not contain enough strings. Exiting.\n"));
1822 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1825 if (0 >= num_search_strings || NULL == search_strings)
1827 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
1828 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1832 for (i = 0; i < num_search_strings; i++)
1833 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
1834 cfg = GNUNET_CONFIGURATION_dup (config);
1836 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1837 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
1845 * @param argc argument count
1846 * @param argv argument values
1847 * @return 0 on success
1850 main (int argc, char *const *argv)
1852 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1853 {'d', "details", "FILENAME",
1854 gettext_noop ("name of the file for writing statistics"),
1855 1, &GNUNET_GETOPT_set_string, &data_filename},
1856 {'n', "num-links", "COUNT",
1857 gettext_noop ("create COUNT number of random links between peers"),
1858 GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
1859 {'t', "matching-timeout", "TIMEOUT",
1860 gettext_noop ("wait TIMEOUT before considering a string match as failed"),
1861 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
1862 {'s', "search-delay", "DELAY",
1863 gettext_noop ("wait DELAY before starting string search"),
1864 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
1865 {'a', "num-search-strings", "COUNT",
1866 gettext_noop ("number of search strings to read from search strings file"),
1867 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
1868 {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
1869 gettext_noop ("maximum path compression length"),
1870 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
1871 {'i', "no-distributed-search", "",
1872 gettext_noop ("if this option is set, only one peer is responsible for searching all strings"),
1873 0, &GNUNET_GETOPT_set_one, &no_distributed_search},
1874 GNUNET_GETOPT_OPTION_END
1878 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1881 result = GNUNET_SYSERR;
1883 GNUNET_PROGRAM_run (argc, argv,
1884 "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
1885 _("Profiler for regex"),
1886 options, &run, NULL);
1888 if (GNUNET_OK != ret)
1890 if (GNUNET_OK != result)