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
7 by the Free Software Foundation; either version 3, or (at your
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13 General Public License for more details.
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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)
41 #define SEARCHES_IN_PARALLEL 5
49 * The testbed operation handle
51 struct GNUNET_TESTBED_Operation *op;
59 * The next pointer for DLL
61 struct DLLOperation *next;
64 * The prev pointer for DLL
66 struct DLLOperation *prev;
71 * Available states during profiling
83 STATE_SLAVES_STARTING,
101 * Matching strings against announced regexes
106 * Destroying peers; we can do this as the controller takes care of stopping a
107 * peer if it is running
109 STATE_PEERS_DESTROYING
124 * Peer configuration handle.
126 struct GNUNET_CONFIGURATION_Handle *cfg;
129 * The actual testbed peer handle.
131 struct GNUNET_TESTBED_Peer *peer_handle;
134 * Host on which the peer is running.
136 struct GNUNET_TESTBED_Host *host_handle;
139 * Filename of the peer's policy file.
144 * Peer's search string.
146 const char *search_str;
149 * Set to GNUNET_YES if the peer successfully matched the above
150 * search string. GNUNET_NO if the string could not be matched
151 * during the profiler run. GNUNET_SYSERR if the string matching
152 * timed out. Undefined if search_str is NULL
154 int search_str_matched;
159 struct GNUNET_ARM_Handle *arm_handle;
164 struct GNUNET_DHT_Handle *dht_handle;
167 * Handle to a running regex search.
169 struct GNUNET_REGEX_search_handle *search_handle;
172 * Testbed operation handle for the ARM and DHT services.
174 struct GNUNET_TESTBED_Operation *op_handle;
177 * Peers's statistics handle.
179 struct GNUNET_STATISTICS_Handle *stats_handle;
182 * Testbed operation handle for the statistics service.
184 struct GNUNET_TESTBED_Operation *stats_op_handle;
187 * The starting time of a profiling step.
189 struct GNUNET_TIME_Absolute prof_start_time;
194 GNUNET_SCHEDULER_TaskIdentifier timeout;
199 * An array of hosts loaded from the hostkeys file
201 static struct GNUNET_TESTBED_Host **hosts;
204 * Array of peer handles used to pass to
205 * GNUNET_TESTBED_overlay_configure_topology
207 static struct GNUNET_TESTBED_Peer **peer_handles;
210 * The array of peers; we fill this as the peers are given to us by the testbed
212 static struct RegexPeer *peers;
215 * Host registration handle
217 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
220 * Handle to the master controller process
222 static struct GNUNET_TESTBED_ControllerProc *mc_proc;
225 * Handle to the master controller
227 static struct GNUNET_TESTBED_Controller *mc;
230 * Handle to global configuration
232 static struct GNUNET_CONFIGURATION_Handle *cfg;
235 * Head of the operations list
237 static struct DLLOperation *dll_op_head;
240 * Tail of the operations list
242 static struct DLLOperation *dll_op_tail;
245 * Peer linking - topology operation
247 static struct GNUNET_TESTBED_Operation *topology_op;
250 * The handle for whether a host is habitable or not
252 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
255 * Abort task identifier
257 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
260 * Shutdown task identifier
262 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
265 * Host registration task identifier
267 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
270 * Global event mask for all testbed events
272 static uint64_t event_mask;
275 * The starting time of a profiling step
277 static struct GNUNET_TIME_Absolute prof_start_time;
280 * Duration profiling step has taken
282 static struct GNUNET_TIME_Relative prof_time;
285 * Number of peers to be started by the profiler
287 static unsigned int num_peers;
290 * Number of hosts in the hosts array
292 static unsigned int num_hosts;
295 * Factor of number of links. num_links = num_peers * linking_factor.
297 static unsigned int linking_factor;
300 * Number of random links to be established between peers
302 static unsigned int num_links;
305 * Number of connect operations that have failed, candidates to retry
307 static unsigned int retry_links;
310 * Global testing status
315 * current state of profiling
320 * Folder where policy files are stored.
322 static char * policy_dir;
327 static char **search_strings;
330 * Number of search strings.
332 static int num_search_strings;
335 * How many searches are running in parallel
337 static unsigned int parallel_searches;
340 * Number of peers found with search strings.
342 static unsigned int peers_found;
345 * Index of peer to start next announce/search.
347 static unsigned int next_search;
350 * Search task identifier
352 static GNUNET_SCHEDULER_TaskIdentifier search_task;
355 * Search timeout task identifier.
357 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
360 * Search timeout in seconds.
362 static struct GNUNET_TIME_Relative search_timeout_time = { 60000 };
365 * How long do we wait before starting the search?
368 static struct GNUNET_TIME_Relative search_delay = { 60000 };
371 * File to log statistics to.
373 static struct GNUNET_DISK_FileHandle *data_file;
376 * Filename to log statistics to.
378 static char *data_filename;
381 * Maximal path compression length.
383 static unsigned int max_path_compression;
386 * Prefix used for regex announcing. We need to prefix the search
387 * strings with it, in order to find something.
389 static char * regex_prefix;
392 * What's the maximum regex reannounce period.
394 static struct GNUNET_TIME_Relative reannounce_period_max;
397 /******************************************************************************/
398 /****************************** DECLARATIONS ********************************/
399 /******************************************************************************/
402 * DHT connect callback.
404 * @param cls internal peer id.
405 * @param op operation handle.
406 * @param ca_result connect adapter result.
407 * @param emsg error message.
410 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
411 void *ca_result, const char *emsg);
414 * DHT connect adapter.
416 * @param cls not used.
417 * @param cfg configuration handle.
422 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
426 * Adapter function called to destroy a connection to
430 * @param op_result service handle returned from the connect adapter
433 dht_da (void *cls, void *op_result);
437 * Function called by testbed once we are connected to stats
438 * service. Get the statistics for the services of interest.
440 * @param cls the 'struct RegexPeer' for which we connected to stats
441 * @param op connect operation handle
442 * @param ca_result handle to stats service
443 * @param emsg error message on failure
446 stats_connect_cb (void *cls,
447 struct GNUNET_TESTBED_Operation *op,
453 * Task to collect all statistics from s, will shutdown the
454 * profiler, when done.
457 * @param tc the task context
460 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
464 * Start announcing the next regex in the DHT.
466 * @param cls Index of the next peer in the peers array.
467 * @param tc TaskContext.
470 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
473 /******************************************************************************/
474 /******************************** SHUTDOWN **********************************/
475 /******************************************************************************/
482 * @param tc the task context
485 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
487 struct DLLOperation *dll_op;
488 struct RegexPeer *peer;
490 unsigned int peer_cnt;
491 unsigned int search_str_cnt;
492 char output_buffer[512];
495 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
496 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
497 GNUNET_SCHEDULER_cancel (abort_task);
498 if (NULL != hc_handles)
500 for (nhost = 0; nhost < num_hosts; nhost++)
501 if (NULL != hc_handles[nhost])
502 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
503 GNUNET_free (hc_handles);
506 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
507 GNUNET_SCHEDULER_cancel (register_hosts_task);
509 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
511 peer = &peers[peer_cnt];
513 if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
515 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
517 GNUNET_snprintf (output_buffer,
518 sizeof (output_buffer),
519 "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
520 peer, peer->search_str, peer->search_str_matched,
521 peer, peer->id, peer,
522 peer, peer->policy_file,
524 GNUNET_STRINGS_relative_time_to_string (prof_time,
526 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
527 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
530 if (NULL != peers[peer_cnt].op_handle)
531 GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
532 if (NULL != peers[peer_cnt].stats_op_handle)
533 GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
536 if (NULL != data_file)
537 GNUNET_DISK_file_close (data_file);
539 for (search_str_cnt = 0;
540 search_str_cnt < num_search_strings && NULL != search_strings;
543 GNUNET_free_non_null (search_strings[search_str_cnt]);
545 GNUNET_free_non_null (search_strings);
547 if (NULL != reg_handle)
548 GNUNET_TESTBED_cancel_registration (reg_handle);
549 if (NULL != topology_op)
550 GNUNET_TESTBED_operation_done (topology_op);
551 for (nhost = 0; nhost < num_hosts; nhost++)
552 if (NULL != hosts[nhost])
553 GNUNET_TESTBED_host_destroy (hosts[nhost]);
554 GNUNET_free_non_null (hosts);
556 while (NULL != (dll_op = dll_op_head))
558 GNUNET_TESTBED_operation_done (dll_op->op);
559 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
560 GNUNET_free (dll_op);
563 GNUNET_TESTBED_controller_disconnect (mc);
565 GNUNET_TESTBED_controller_stop (mc_proc);
567 GNUNET_CONFIGURATION_destroy (cfg);
569 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
574 * abort task to run on test timed out
577 * @param tc the task context
580 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
582 unsigned long i = (unsigned long) cls;
584 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
585 abort_task = GNUNET_SCHEDULER_NO_TASK;
586 result = GNUNET_SYSERR;
587 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
588 GNUNET_SCHEDULER_cancel (shutdown_task);
589 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
593 /******************************************************************************/
594 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
595 /******************************************************************************/
598 * Adapter function called to establish a connection to
599 * statistics service.
602 * @param cfg configuration of the peer to connect to; will be available until
603 * GNUNET_TESTBED_operation_done() is called on the operation returned
604 * from GNUNET_TESTBED_service_connect()
605 * @return service handle to return in 'op_result', NULL on error
608 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
610 return GNUNET_STATISTICS_create ("<driver>", cfg);
615 * Adapter function called to destroy a connection to
616 * statistics service.
619 * @param op_result service handle returned from the connect adapter
622 stats_da (void *cls, void *op_result)
624 struct RegexPeer *peer = cls;
626 GNUNET_assert (op_result == peer->stats_handle);
628 GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
629 peer->stats_handle = NULL;
634 * Process statistic values. Write all values to global 'data_file', if present.
637 * @param subsystem name of subsystem that created the statistic
638 * @param name the name of the datum
639 * @param value the current value
640 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
641 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
644 stats_iterator (void *cls, const char *subsystem, const char *name,
645 uint64_t value, int is_persistent)
647 struct RegexPeer *peer = cls;
648 char output_buffer[512];
651 if (NULL == data_file)
653 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
654 "%p -> %s [%s]: %llu\n",
655 peer, subsystem, name, value);
659 GNUNET_snprintf (output_buffer,
660 sizeof (output_buffer),
663 subsystem, value, name);
664 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
665 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
672 * Stats callback. Finish the stats testbed operation and when all stats have
673 * been iterated, shutdown the profiler.
676 * @param success GNUNET_OK if statistics were
677 * successfully obtained, GNUNET_SYSERR if not.
683 static unsigned int peer_cnt;
684 struct RegexPeer *peer = cls;
686 if (GNUNET_OK != success)
688 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
689 "Getting statistics for peer %u failed!\n",
694 GNUNET_assert (NULL != peer->stats_op_handle);
696 GNUNET_TESTBED_operation_done (peer->stats_op_handle);
697 peer->stats_op_handle = NULL;
700 peer = &peers[peer_cnt];
702 if (peer_cnt == num_peers)
704 struct GNUNET_TIME_Relative delay = { 100 };
705 shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
709 peer->stats_op_handle =
710 GNUNET_TESTBED_service_connect (NULL,
723 * Function called by testbed once we are connected to stats
724 * service. Get the statistics for the services of interest.
726 * @param cls the 'struct RegexPeer' for which we connected to stats
727 * @param op connect operation handle
728 * @param ca_result handle to stats service
729 * @param emsg error message on failure
732 stats_connect_cb (void *cls,
733 struct GNUNET_TESTBED_Operation *op,
737 struct RegexPeer *peer = cls;
739 if (NULL == ca_result || NULL != emsg)
741 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
742 "Failed to connect to statistics service on peer %u: %s\n",
745 peer->stats_handle = NULL;
749 peer->stats_handle = ca_result;
751 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
752 GNUNET_TIME_UNIT_FOREVER_REL,
754 &stats_iterator, peer))
756 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
757 "Could not get statistics of peer %u!\n", peer->id);
763 * Task to collect all statistics from all peers, will shutdown the
764 * profiler, when done.
767 * @param tc the task context
770 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
772 struct RegexPeer *peer = &peers[0];
774 GNUNET_assert (NULL != peer->peer_handle);
776 peer->stats_op_handle =
777 GNUNET_TESTBED_service_connect (NULL,
788 /******************************************************************************/
789 /************************ REGEX FIND CONNECTIONS **************************/
790 /******************************************************************************/
794 * Start searching for the next string in the DHT.
796 * @param cls Index of the next peer in the peers array.
797 * @param tc TaskContext.
800 find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
804 * Method called when we've found a peer that announced a regex
805 * that matches our search string. Now get the statistics.
807 * @param cls Closure provided in GNUNET_REGEX_search.
808 * @param id Peer providing a regex that matches the string.
809 * @param get_path Path of the get request.
810 * @param get_path_length Lenght of get_path.
811 * @param put_path Path of the put request.
812 * @param put_path_length Length of the put_path.
815 regex_found_handler (void *cls,
816 const struct GNUNET_PeerIdentity *id,
817 const struct GNUNET_PeerIdentity *get_path,
818 unsigned int get_path_length,
819 const struct GNUNET_PeerIdentity *put_path,
820 unsigned int put_path_length)
822 struct RegexPeer *peer = cls;
823 char output_buffer[512];
826 if (GNUNET_YES == peer->search_str_matched)
828 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
829 "String %s on peer %u already matched!\n",
830 peer->search_str, peer->id);
837 if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
839 GNUNET_SCHEDULER_cancel (peer->timeout);
840 peer->timeout = GNUNET_SCHEDULER_NO_TASK;
841 GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
846 // FIXME not possible right now
847 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
848 "String matching timed out for string %s on peer %u (%i/%i)\n",
849 peer->search_str, peer->id, peers_found, num_search_strings);
850 peer->search_str_matched = GNUNET_SYSERR;
854 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
856 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
857 "String %s found on peer %u after %s (%i/%i) (%u||)\n",
858 peer->search_str, peer->id,
859 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
860 peers_found, num_search_strings, parallel_searches);
862 peer->search_str_matched = GNUNET_YES;
864 if (NULL != data_file)
867 GNUNET_snprintf (output_buffer,
868 sizeof (output_buffer),
869 "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n"
870 "%p Search string: %s\n%p Search duration: %s\n\n",
873 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
874 peer, peer->policy_file,
875 peer, peer->search_str,
877 GNUNET_STRINGS_relative_time_to_string (prof_time,
880 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
881 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
885 GNUNET_TESTBED_operation_done (peer->op_handle);
886 peer->op_handle = NULL;
888 if (peers_found == num_search_strings)
890 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
891 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
892 "All strings successfully matched in %s\n",
893 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
895 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
896 GNUNET_SCHEDULER_cancel (search_timeout_task);
898 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats and shutting down.\n");
899 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
905 * Connect by string timeout task. This will cancel the profiler after the
906 * specified timeout 'search_timeout'.
909 * @param tc the task context
912 search_timeout (void *cls,
913 const struct GNUNET_SCHEDULER_TaskContext * tc)
915 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
916 "Finding matches to all strings did not succeed after %s.\n",
917 GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
919 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
920 "Found %i of %i strings\n", peers_found, num_search_strings);
922 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
923 "Search timed out after %s."
924 "Collecting stats and shutting down.\n",
925 GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
928 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
933 * Search timed out. It might still complete in the future,
934 * but we should start another one.
936 * @param cls Index of the next peer in the peers array.
937 * @param tc TaskContext.
940 find_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
942 struct RegexPeer *p = cls;
944 p->timeout = GNUNET_SCHEDULER_NO_TASK;
946 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
948 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
949 "Searching for string \"%s\" on peer %d timed out. Starting new search.\n",
952 GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
957 * Start searching for a string in the DHT.
959 * @param cls Index of the next peer in the peers array.
960 * @param tc TaskContext.
963 find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
965 unsigned int search_peer = (unsigned int) (long) cls;
967 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
968 search_peer >= num_search_strings)
971 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
972 "Searching for string \"%s\" on peer %d with file %s (%u||)\n",
973 peers[search_peer].search_str,
975 peers[search_peer].policy_file,
978 peers[search_peer].op_handle =
979 GNUNET_TESTBED_service_connect (NULL,
980 peers[search_peer].peer_handle,
986 &peers[search_peer]);
987 peers[search_peer].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
989 &peers[search_peer]);
994 * ARM connect adapter. Opens a connection to the ARM service.
996 * @param cls Closure (peer).
997 * @param cfg Configuration handle.
1002 arm_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1004 struct RegexPeer *peer = cls;
1006 peer->arm_handle = GNUNET_ARM_connect (cfg, NULL, NULL);
1008 return peer->arm_handle;
1013 * Adapter function called to destroy a connection to the ARM service.
1015 * @param cls Closure (peer).
1016 * @param op_result Service handle returned from the connect adapter.
1019 arm_da (void *cls, void *op_result)
1021 struct RegexPeer *peer = (struct RegexPeer *) cls;
1023 GNUNET_assert (peer->arm_handle == op_result);
1025 if (NULL != peer->arm_handle)
1027 GNUNET_ARM_disconnect_and_free (peer->arm_handle);
1028 peer->arm_handle = NULL;
1033 * Finish and free the operation used to start the regex daemon.
1034 * operation_done calls ARM_disconnect, which cannot happen inside an
1037 * @param cls Closure (Peer info)
1038 * @param tc TaskContext
1041 arm_op_done (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1043 struct RegexPeer *peer = (struct RegexPeer *) cls;
1045 GNUNET_TESTBED_operation_done (peer->op_handle);
1046 peer->op_handle = NULL;
1051 * Callback called when arm has started the daemon we asked for.
1053 * @param cls Closure ().
1054 * @param arm Arm handle.
1055 * @param rs Status of the request.
1056 * @param service Service we asked to start (deamon).
1057 * @param result Result of the request.
1060 arm_start_cb (void *cls, struct GNUNET_ARM_Handle *arm,
1061 enum GNUNET_ARM_RequestStatus rs, const char *service,
1062 enum GNUNET_ARM_Result result)
1064 struct RegexPeer *peer = (struct RegexPeer *) cls;
1066 if (rs != GNUNET_ARM_REQUEST_SENT_OK)
1068 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM request was not sent: %u\n", rs);
1074 * Asked to start it, but it's already starting.
1076 case GNUNET_ARM_RESULT_IS_STARTING_ALREADY:
1077 GNUNET_break (0); /* Shouldn't be starting, however it's not fatal. */
1081 * Service is currently being started (due to client request).
1083 case GNUNET_ARM_RESULT_STARTING:
1084 GNUNET_SCHEDULER_add_now (&arm_op_done, peer);
1087 unsigned long search_peer;
1093 /* Find a peer to look for a string matching the regex announced */
1094 search_peer = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
1096 for (i = 0; peers[search_peer].search_str != NULL; i++)
1098 search_peer = (search_peer + 1) % num_peers;
1100 GNUNET_abort (); /* we ran out of peers, must be a bug */
1102 peers[search_peer].search_str = search_strings[me];
1103 peers[search_peer].search_str_matched = GNUNET_NO;
1104 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
1105 reannounce_period_max,
1108 (void *) search_peer);
1110 if (next_search >= num_peers &&
1111 GNUNET_SCHEDULER_NO_TASK == search_timeout_task)
1113 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "All daemons started.\n");
1114 /* FIXME start GLOBAL timeout to abort experiment */
1115 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout_time,
1122 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM returned %d\n", result);
1128 * ARM connect callback. Called when we are connected to the arm service for
1129 * the peer in 'cls'. If successfull we start the regex deamon to start
1130 * announcing the regex of this peer.
1132 * @param cls internal peer id.
1133 * @param op operation handle.
1134 * @param ca_result connect adapter result.
1135 * @param emsg error message.
1138 arm_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1139 void *ca_result, const char *emsg)
1141 struct RegexPeer *peer = (struct RegexPeer *) cls;
1143 if (NULL != emsg || NULL == op || NULL == ca_result)
1145 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ARM connect failed: %s\n", emsg);
1149 GNUNET_assert (NULL != peer->arm_handle);
1150 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "[]%p - ()%p\n", peer->op_handle, op);
1151 GNUNET_assert (peer->op_handle == op);
1152 GNUNET_assert (peer->arm_handle == ca_result);
1154 GNUNET_ARM_request_service_start (ca_result, "regexprofiler",
1155 GNUNET_OS_INHERIT_STD_NONE,
1156 GNUNET_TIME_UNIT_FOREVER_REL,
1162 * Task to start the daemons on each peer so that the regexes are announced
1166 * @param tc the task context
1169 do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1173 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting announce.\n");
1175 for (i = 0; i < SEARCHES_IN_PARALLEL; i++)
1177 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1178 " scheduling announce %u\n",
1180 (void) GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
1186 * Start announcing the next regex in the DHT.
1188 * @param cls Closure (unused).
1189 * @param tc TaskContext.
1192 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1194 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
1195 next_search >= num_peers)
1198 /* First connect to arm service, then announce. Next
1199 * a nnounce will be in arm_connect_cb */
1200 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %u\n", next_search);
1201 peers[next_search].op_handle =
1202 GNUNET_TESTBED_service_connect (NULL,
1203 peers[next_search].peer_handle,
1206 &peers[next_search],
1209 &peers[next_search]);
1211 parallel_searches++;
1215 * DHT connect callback. Called when we are connected to the dht service for
1216 * the peer in 'cls'. If successfull we connect to the stats service of this
1217 * peer and then try to match the search string of this peer.
1219 * @param cls internal peer id.
1220 * @param op operation handle.
1221 * @param ca_result connect adapter result.
1222 * @param emsg error message.
1225 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1226 void *ca_result, const char *emsg)
1228 struct RegexPeer *peer = (struct RegexPeer *) cls;
1230 if (NULL != emsg || NULL == op || NULL == ca_result)
1232 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
1236 GNUNET_assert (NULL != peer->dht_handle);
1237 GNUNET_assert (peer->op_handle == op);
1238 GNUNET_assert (peer->dht_handle == ca_result);
1240 peer->search_str_matched = GNUNET_NO;
1241 peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
1243 ®ex_found_handler, peer,
1245 peer->prof_start_time = GNUNET_TIME_absolute_get ();
1250 * DHT connect adapter. Opens a connection to the dht service.
1252 * @param cls Closure (peer).
1253 * @param cfg Configuration handle.
1258 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1260 struct RegexPeer *peer = cls;
1262 peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
1264 return peer->dht_handle;
1269 * Adapter function called to destroy a connection to the dht service.
1271 * @param cls Closure (peer).
1272 * @param op_result Service handle returned from the connect adapter.
1275 dht_da (void *cls, void *op_result)
1277 struct RegexPeer *peer = (struct RegexPeer *) cls;
1279 GNUNET_assert (peer->dht_handle == op_result);
1281 if (NULL != peer->search_handle)
1283 GNUNET_REGEX_search_cancel (peer->search_handle);
1284 peer->search_handle = NULL;
1287 if (NULL != peer->dht_handle)
1289 GNUNET_DHT_disconnect (peer->dht_handle);
1290 peer->dht_handle = NULL;
1295 /******************************************************************************/
1296 /*************************** TESTBED PEER SETUP *****************************/
1297 /******************************************************************************/
1301 * Configure the peer overlay topology.
1304 * @param tc the task context
1307 do_configure_topology (void *cls,
1308 const struct GNUNET_SCHEDULER_TaskContext * tc)
1311 if (0 == linking_factor)
1313 num_links = linking_factor * num_peers;
1315 /* num_links = num_peers - 1; */
1316 num_links = linking_factor;
1318 /* Do overlay connect */
1319 prof_start_time = GNUNET_TIME_absolute_get ();
1321 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
1325 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
1327 GNUNET_TESTBED_TOPOLOGY_RETRY_CNT,
1329 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
1330 if (NULL == topology_op)
1332 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1333 "Cannot create topology, op handle was NULL\n");
1340 * Functions of this signature are called when a peer has been successfully
1341 * started or stopped.
1343 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
1344 * @param emsg NULL on success; otherwise an error description
1347 peer_churn_cb (void *cls, const char *emsg)
1349 struct DLLOperation *dll_op = cls;
1350 struct GNUNET_TESTBED_Operation *op;
1351 static unsigned int started_peers;
1352 unsigned int peer_cnt;
1355 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1356 GNUNET_free (dll_op);
1359 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1360 _("An operation has failed while starting peers: %s\n"), emsg);
1361 GNUNET_TESTBED_operation_done (op);
1362 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1363 GNUNET_SCHEDULER_cancel (abort_task);
1364 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1367 GNUNET_TESTBED_operation_done (op);
1368 if (++started_peers == num_peers)
1370 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1371 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1372 "All peers started successfully in %s\n",
1373 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1376 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
1377 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1378 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
1380 state = STATE_PEERS_LINKING;
1381 GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
1387 * Functions of this signature are called when a peer has been successfully
1390 * @param cls the closure from GNUNET_TESTBED_peer_create()
1391 * @param peer the handle for the created peer; NULL on any error during
1393 * @param emsg NULL if peer is not NULL; else MAY contain the error description
1396 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
1398 struct DLLOperation *dll_op = cls;
1399 struct RegexPeer *peer_ptr;
1400 static unsigned int created_peers;
1401 unsigned int peer_cnt;
1405 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1406 _("Creating a peer failed. Error: %s\n"), emsg);
1407 GNUNET_TESTBED_operation_done (dll_op->op);
1408 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1409 GNUNET_free (dll_op);
1410 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1411 GNUNET_SCHEDULER_cancel (abort_task);
1412 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1416 peer_ptr = dll_op->cls;
1417 GNUNET_assert (NULL == peer_ptr->peer_handle);
1418 GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
1419 peer_ptr->cfg = NULL;
1420 peer_ptr->peer_handle = peer;
1421 GNUNET_TESTBED_operation_done (dll_op->op);
1422 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1423 GNUNET_free (dll_op);
1425 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
1427 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
1429 if (++created_peers == num_peers)
1431 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1432 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1433 "All peers created successfully in %s\n",
1434 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1435 /* Now peers are to be started */
1436 state = STATE_PEERS_STARTING;
1437 prof_start_time = GNUNET_TIME_absolute_get ();
1438 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1440 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1441 dll_op->op = GNUNET_TESTBED_peer_start (dll_op,
1442 peers[peer_cnt].peer_handle,
1443 &peer_churn_cb, dll_op);
1444 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1451 * Function called with a filename for each file in the policy directory. Create
1452 * a peer for each filename and update the peer's configuration to include the
1453 * max_path_compression specified as a command line argument as well as the
1454 * policy_file for this peer. The gnunet-service-regexprofiler service is
1455 * automatically started on this peer. The service reads the configurration and
1456 * announces the regexes stored in the policy file 'filename'.
1458 * @param cls closure
1459 * @param filename complete filename (absolute path)
1460 * @return GNUNET_OK to continue to iterate,
1461 * GNUNET_SYSERR to abort iteration with error!
1464 policy_filename_cb (void *cls, const char *filename)
1466 static unsigned int peer_cnt;
1467 struct DLLOperation *dll_op;
1468 struct RegexPeer *peer = &peers[peer_cnt];
1470 GNUNET_assert (NULL != peer);
1472 peer->policy_file = GNUNET_strdup (filename);
1474 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1475 "Creating peer %i on host %s for policy file %s\n",
1476 peer->id, GNUNET_TESTBED_host_get_hostname (peer->host_handle),
1479 /* Set configuration options specific for this peer
1480 (max_path_compression and policy_file */
1481 peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
1482 GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
1483 "MAX_PATH_COMPRESSION",
1484 (unsigned long long)
1485 max_path_compression);
1486 GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
1487 "POLICY_FILE", filename);
1489 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1490 dll_op->cls = &peers[peer_cnt];
1491 dll_op->op = GNUNET_TESTBED_peer_create (mc,
1496 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1505 * Controller event callback.
1508 * @param event the controller event
1511 controller_event_cb (void *cls,
1512 const struct GNUNET_TESTBED_EventInformation *event)
1514 struct DLLOperation *dll_op;
1515 struct GNUNET_TESTBED_Operation *op;
1520 case STATE_SLAVES_STARTING:
1521 switch (event->type)
1523 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1525 static unsigned int slaves_started;
1526 unsigned int peer_cnt;
1528 dll_op = event->op_cls;
1529 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1530 GNUNET_free (dll_op);
1532 if (NULL != event->details.operation_finished.emsg)
1534 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1535 _("An operation has failed while starting slaves\n"));
1536 GNUNET_TESTBED_operation_done (op);
1537 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1538 GNUNET_SCHEDULER_cancel (abort_task);
1539 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1542 GNUNET_TESTBED_operation_done (op);
1543 /* Proceed to start peers */
1544 if (++slaves_started == num_hosts - 1)
1546 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1547 "All slaves started successfully\n");
1549 state = STATE_PEERS_CREATING;
1550 prof_start_time = GNUNET_TIME_absolute_get ();
1552 if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
1556 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1557 _("No files found in `%s'\n"),
1559 GNUNET_SCHEDULER_shutdown ();
1562 num_peers = (unsigned int) ret;
1563 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1565 /* Initialize peers */
1566 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1568 struct RegexPeer *peer = &peers[peer_cnt];
1569 peer->id = peer_cnt;
1570 peer->policy_file = NULL;
1571 /* Do not start peers on hosts[0] (master controller) */
1572 peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
1573 peer->dht_handle = NULL;
1574 peer->search_handle = NULL;
1575 peer->stats_handle = NULL;
1576 peer->stats_op_handle = NULL;
1577 peer->search_str = NULL;
1578 peer->search_str_matched = GNUNET_NO;
1581 GNUNET_DISK_directory_scan (policy_dir,
1582 &policy_filename_cb,
1591 case STATE_PEERS_STARTING:
1592 switch (event->type)
1594 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1595 /* Control reaches here when peer start fails */
1596 case GNUNET_TESTBED_ET_PEER_START:
1597 /* we handle peer starts in peer_churn_cb */
1603 case STATE_PEERS_LINKING:
1604 switch (event->type)
1606 static unsigned int established_links;
1607 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1608 /* Control reaches here when a peer linking operation fails */
1609 if (NULL != event->details.operation_finished.emsg)
1611 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1612 _("An operation has failed while linking\n"));
1613 printf ("F%u/%u(%s)",
1614 retry_links + 1, established_links + 1,
1615 event->details.operation_finished.emsg);
1619 /* We do no retries, consider this link as established */
1621 case GNUNET_TESTBED_ET_CONNECT:
1623 char output_buffer[1024];
1626 if (0 == established_links)
1627 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Establishing links .");
1630 printf (".");fflush (stdout);
1632 if (++established_links == num_links)
1634 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1635 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1636 "%u links established in %s\n",
1638 GNUNET_STRINGS_relative_time_to_string (prof_time,
1640 prof_time = GNUNET_TIME_relative_divide(prof_time, num_links);
1641 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1642 "Average of %s per connection\n",
1643 GNUNET_STRINGS_relative_time_to_string (prof_time,
1646 GNUNET_free (peer_handles);
1648 if (NULL != data_file)
1651 GNUNET_snprintf (output_buffer,
1652 sizeof (output_buffer),
1653 "# of peers: %u\n# of links established: %u\n"
1654 "Time to establish links: %s\n"
1655 "Linking failures: %u\n"
1656 "path compression length: %u\n"
1657 "# of search strings: %u\n",
1659 (established_links - retry_links),
1660 GNUNET_STRINGS_relative_time_to_string (prof_time,
1663 max_path_compression,
1664 num_search_strings);
1666 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
1667 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
1670 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1671 "\nWaiting %s before starting to announce.\n",
1672 GNUNET_STRINGS_relative_time_to_string (search_delay,
1674 state = STATE_SEARCH_REGEX;
1675 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
1676 &do_announce, NULL);
1684 case STATE_SEARCH_REGEX:
1686 /* Handled in service connect callback */
1692 case STATE_PEERS_CREATING:
1693 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
1696 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1697 "Unexpected controller_cb with state %i!\n", state);
1705 * Task to register all hosts available in the global host list.
1708 * @param tc the scheduler task context
1711 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1715 * Callback which will be called to after a host registration succeeded or failed
1717 * @param cls the closure
1718 * @param emsg the error message; NULL if host registration is successful
1721 host_registration_completion (void *cls, const char *emsg)
1726 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1727 _("Host registration failed for a host. Error: %s\n"), emsg);
1728 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1729 GNUNET_SCHEDULER_cancel (abort_task);
1730 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1733 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1738 * Task to register all hosts available in the global host list.
1741 * @param tc the scheduler task context
1744 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1746 struct DLLOperation *dll_op;
1747 static unsigned int reg_host;
1750 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1751 if (reg_host == num_hosts - 1)
1753 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1754 "All hosts successfully registered\n");
1756 state = STATE_SLAVES_STARTING;
1757 for (slave = 1; slave < num_hosts; slave++)
1759 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1760 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1766 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1770 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1771 host_registration_completion,
1777 * Callback to signal successfull startup of the controller process.
1779 * @param cls the closure from GNUNET_TESTBED_controller_start()
1780 * @param config the configuration with which the controller has been started;
1781 * NULL if status is not GNUNET_OK
1782 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1783 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1786 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1788 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1789 GNUNET_SCHEDULER_cancel (abort_task);
1790 if (GNUNET_OK != status)
1793 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Oh, dear!\n");
1794 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1798 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1799 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1800 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1801 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1802 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1803 mc = GNUNET_TESTBED_controller_connect (hosts[0], event_mask,
1804 &controller_event_cb, NULL);
1807 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1808 _("Unable to connect to master controller -- Check config\n"));
1809 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1812 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1813 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1814 &do_abort, (void*) __LINE__);
1819 * Load search strings from given filename. One search string per line.
1821 * @param filename filename of the file containing the search strings.
1822 * @param strings set of strings loaded from file. Caller needs to free this
1823 * if number returned is greater than zero.
1824 * @param limit upper limit on the number of strings read from the file
1825 * @return number of strings found in the file. GNUNET_SYSERR on error.
1828 load_search_strings (const char *filename, char ***strings, unsigned int limit)
1833 unsigned int offset;
1837 if (NULL == filename)
1839 return GNUNET_SYSERR;
1842 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1844 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1845 "Could not find search strings file %s\n", filename);
1846 return GNUNET_SYSERR;
1848 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1852 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1853 return GNUNET_SYSERR;
1855 data = GNUNET_malloc (filesize);
1856 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1859 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1861 return GNUNET_SYSERR;
1866 while (offset < (filesize - 1) && str_cnt < limit)
1869 if (((data[offset] == '\n')) && (buf != &data[offset]))
1871 data[offset] = '\0';
1873 buf = &data[offset + 1];
1875 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1876 buf = &data[offset + 1];
1878 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1880 for (i = 0; i < str_cnt; i++)
1882 GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
1883 offset += strlen (&data[offset]) + 1;
1891 * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
1892 * inform whether the given host is habitable or not. The Handle returned by
1893 * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
1896 * @param host the host whose status is being reported; will be NULL if the host
1897 * given to GNUNET_TESTBED_is_host_habitable() is NULL
1898 * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
1901 host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
1903 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
1904 static unsigned int hosts_checked;
1907 if (GNUNET_NO == status)
1909 if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
1910 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
1911 GNUNET_TESTBED_host_get_hostname (host));
1913 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
1914 GNUNET_SCHEDULER_cancel (abort_task);
1915 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1919 /* printf (_("\rChecked %u hosts"), hosts_checked); */
1920 /* fflush (stdout); */
1921 if (hosts_checked < num_hosts)
1923 /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
1924 GNUNET_free (hc_handles);
1927 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1936 * Main function that will be run by the scheduler.
1938 * @param cls closure
1939 * @param args remaining command-line arguments
1940 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1941 * @param config configuration
1944 run (void *cls, char *const *args, const char *cfgfile,
1945 const struct GNUNET_CONFIGURATION_Handle *config)
1948 unsigned int nsearchstrs;
1950 if (NULL == args[0])
1952 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1953 _("No hosts-file specified on command line. Exiting.\n"));
1956 if (NULL == args[1])
1958 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1959 _("No policy directory specified on command line. Exiting.\n"));
1962 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], config, &hosts);
1965 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1966 _("No hosts loaded. Need at least one host\n"));
1969 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1970 _("Checking whether given hosts can start testbed."
1972 hc_handles = GNUNET_malloc (sizeof (struct
1973 GNUNET_TESTBED_HostHabitableCheckHandle *)
1975 for (nhost = 0; nhost < num_hosts; nhost++)
1977 hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
1979 &hc_handles[nhost]);
1980 if (NULL == hc_handles[nhost])
1985 for (i = 0; i <= nhost; i++)
1986 if (NULL != hc_handles[i])
1987 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[i]);
1988 GNUNET_free (hc_handles);
1993 if (num_hosts != nhost)
1995 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Exiting\n"));
1996 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2001 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2002 _("No configuration file given. Exiting\n"));
2003 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2008 GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
2011 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2012 _("Configuration option \"regex_prefix\" missing. Exiting\n"));
2013 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2017 if ( (NULL != data_filename) &&
2018 (NULL == (data_file =
2019 GNUNET_DISK_file_open (data_filename,
2020 GNUNET_DISK_OPEN_READWRITE |
2021 GNUNET_DISK_OPEN_TRUNCATE |
2022 GNUNET_DISK_OPEN_CREATE,
2023 GNUNET_DISK_PERM_USER_READ |
2024 GNUNET_DISK_PERM_USER_WRITE))) )
2025 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
2028 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
2030 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2031 _("Specified policies directory does not exist. Exiting.\n"));
2032 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2035 policy_dir = args[1];
2036 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
2038 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2039 _("No search strings file given. Exiting.\n"));
2040 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2043 nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
2044 if (num_search_strings != nsearchstrs)
2046 num_search_strings = nsearchstrs;
2047 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2048 _("Error loading search strings."
2049 "Given file does not contain enough strings. Exiting.\n"));
2050 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2053 if (0 >= num_search_strings || NULL == search_strings)
2055 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2056 _("Error loading search strings. Exiting.\n"));
2057 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2060 cfg = GNUNET_CONFIGURATION_dup (config);
2062 GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
2063 "REANNOUNCE_PERIOD_MAX",
2064 &reannounce_period_max))
2066 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2067 "reannounce_period_max not given. Using 10 minutes.\n");
2068 reannounce_period_max =
2069 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
2072 for (i = 0; i < num_search_strings; i++)
2073 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
2075 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
2076 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
2084 * @param argc argument count
2085 * @param argv argument values
2086 * @return 0 on success
2089 main (int argc, char *const *argv)
2091 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
2092 {'d', "details", "FILENAME",
2093 gettext_noop ("name of the file for writing statistics"),
2094 1, &GNUNET_GETOPT_set_string, &data_filename},
2095 {'n', "num-links", "COUNT",
2096 gettext_noop ("create COUNT number of random links between peers"),
2097 GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
2098 {'t', "matching-timeout", "TIMEOUT",
2099 gettext_noop ("wait TIMEOUT before considering a string match as failed"),
2100 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout_time
2102 {'s', "search-delay", "DELAY",
2103 gettext_noop ("wait DELAY before starting string search"),
2104 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
2105 {'a', "num-search-strings", "COUNT",
2106 gettext_noop ("number of search strings to read from search strings file"),
2107 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
2108 {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
2109 gettext_noop ("maximum path compression length"),
2110 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
2111 GNUNET_GETOPT_OPTION_END
2115 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
2118 result = GNUNET_SYSERR;
2120 GNUNET_PROGRAM_run (argc, argv,
2121 "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
2122 _("Profiler for regex"),
2123 options, &run, NULL);
2125 if (GNUNET_OK != ret)
2127 if (GNUNET_OK != result)