2 This file is part of GNUnet.
3 (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
40 #define SEARCHES_IN_PARALLEL 2
41 #define ANNOUNCE_DELAY GNUNET_TIME_relative_multiply(\
42 GNUNET_TIME_UNIT_MILLISECONDS,\
44 #define SEARCH_DELAY GNUNET_TIME_relative_multiply(\
45 GNUNET_TIME_UNIT_MILLISECONDS,\
54 * The testbed operation handle
56 struct GNUNET_TESTBED_Operation *op;
64 * The next pointer for DLL
66 struct DLLOperation *next;
69 * The prev pointer for DLL
71 struct DLLOperation *prev;
76 * Available states during profiling
88 STATE_SLAVES_STARTING,
106 * Matching strings against announced regexes
111 * Destroying peers; we can do this as the controller takes care of stopping a
112 * peer if it is running
114 STATE_PEERS_DESTROYING
129 * Peer configuration handle.
131 struct GNUNET_CONFIGURATION_Handle *cfg;
134 * The actual testbed peer handle.
136 struct GNUNET_TESTBED_Peer *peer_handle;
139 * Host on which the peer is running.
141 struct GNUNET_TESTBED_Host *host_handle;
144 * Filename of the peer's policy file.
149 * Peers search string.
151 const char *search_str;
154 * Set to GNUNET_YES if the peer successfully matched the above
155 * search string. GNUNET_NO if the string could not be matched
156 * during the profiler run. GNUNET_SYSERR if the string matching
157 * timed out. Undefined if search_str is NULL
159 int search_str_matched;
164 struct GNUNET_ARM_Handle *arm_handle;
169 struct GNUNET_DHT_Handle *dht_handle;
172 * Handle to a running regex search.
174 struct GNUNET_REGEX_search_handle *search_handle;
177 * Testbed operation handle for the ARM and DHT services.
179 struct GNUNET_TESTBED_Operation *op_handle;
182 * Peers's statistics handle.
184 struct GNUNET_STATISTICS_Handle *stats_handle;
187 * Testbed operation handle for the statistics service.
189 struct GNUNET_TESTBED_Operation *stats_op_handle;
192 * The starting time of a profiling step.
194 struct GNUNET_TIME_Absolute prof_start_time;
199 GNUNET_SCHEDULER_TaskIdentifier timeout;
204 * An array of hosts loaded from the hostkeys file
206 static struct GNUNET_TESTBED_Host **hosts;
209 * Array of peer handles used to pass to
210 * GNUNET_TESTBED_overlay_configure_topology
212 static struct GNUNET_TESTBED_Peer **peer_handles;
215 * The array of peers; we fill this as the peers are given to us by the testbed
217 static struct RegexPeer *peers;
220 * Host registration handle
222 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
225 * Handle to the master controller process
227 static struct GNUNET_TESTBED_ControllerProc *mc_proc;
230 * Handle to the master controller
232 static struct GNUNET_TESTBED_Controller *mc;
235 * Handle to global configuration
237 static struct GNUNET_CONFIGURATION_Handle *cfg;
240 * Head of the operations list
242 static struct DLLOperation *dll_op_head;
245 * Tail of the operations list
247 static struct DLLOperation *dll_op_tail;
250 * Peer linking - topology operation
252 static struct GNUNET_TESTBED_Operation *topology_op;
255 * The handle for whether a host is habitable or not
257 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
260 * Abort task identifier
262 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
265 * Shutdown task identifier
267 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
270 * Host registration task identifier
272 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
275 * Global event mask for all testbed events
277 static uint64_t event_mask;
280 * The starting time of a profiling step
282 static struct GNUNET_TIME_Absolute prof_start_time;
285 * Duration profiling step has taken
287 static struct GNUNET_TIME_Relative prof_time;
290 * Number of peers to be started by the profiler
292 static unsigned int num_peers;
295 * Number of hosts in the hosts array
297 static unsigned int num_hosts;
300 * Factor of number of links. num_links = num_peers * linking_factor.
302 static unsigned int linking_factor;
305 * Number of random links to be established between peers
307 static unsigned int num_links;
310 * Number of connect operations that have failed, candidates to retry
312 static unsigned int retry_links;
315 * Global testing status
320 * current state of profiling
325 * Folder where policy files are stored.
327 static char * policy_dir;
332 static char **search_strings;
335 * Number of search strings.
337 static int num_search_strings;
340 * How many searches are running in parallel
342 static unsigned int parallel_searches;
345 * Index of peer/string search.
347 static unsigned int peer_cnt;
350 * Number of peers found with search strings.
352 static unsigned int peers_found;
355 * Search task identifier
357 static GNUNET_SCHEDULER_TaskIdentifier search_task;
360 * Search timeout task identifier.
362 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
365 * Search timeout in seconds.
367 static struct GNUNET_TIME_Relative search_timeout = { 60000 };
370 * How long do we wait before starting the search?
373 static struct GNUNET_TIME_Relative search_delay = { 60000 };
376 * File to log statistics to.
378 static struct GNUNET_DISK_FileHandle *data_file;
381 * Filename to log statistics to.
383 static char *data_filename;
386 * Maximal path compression length.
388 static unsigned int max_path_compression;
391 * Prefix used for regex announcing. We need to prefix the search
392 * strings with it, in order to find something.
394 static char * regex_prefix;
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);
463 /******************************************************************************/
464 /******************************** SHUTDOWN **********************************/
465 /******************************************************************************/
472 * @param tc the task context
475 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
477 struct DLLOperation *dll_op;
478 struct RegexPeer *peer;
480 unsigned int peer_cnt;
481 unsigned int search_str_cnt;
482 char output_buffer[512];
485 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
486 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
487 GNUNET_SCHEDULER_cancel (abort_task);
488 if (NULL != hc_handles)
490 for (nhost = 0; nhost < num_hosts; nhost++)
491 if (NULL != hc_handles[nhost])
492 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
493 GNUNET_free (hc_handles);
496 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
497 GNUNET_SCHEDULER_cancel (register_hosts_task);
499 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
501 peer = &peers[peer_cnt];
503 if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
505 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
507 GNUNET_snprintf (output_buffer,
508 sizeof (output_buffer),
509 "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
510 peer, peer->search_str, peer->search_str_matched,
511 peer, peer->id, peer,
512 peer, peer->policy_file,
514 GNUNET_STRINGS_relative_time_to_string (prof_time,
516 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
517 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
520 if (NULL != peers[peer_cnt].op_handle)
521 GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
522 if (NULL != peers[peer_cnt].stats_op_handle)
523 GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
526 if (NULL != data_file)
527 GNUNET_DISK_file_close (data_file);
529 for (search_str_cnt = 0;
530 search_str_cnt < num_search_strings && NULL != search_strings;
533 GNUNET_free_non_null (search_strings[search_str_cnt]);
535 GNUNET_free_non_null (search_strings);
537 if (NULL != reg_handle)
538 GNUNET_TESTBED_cancel_registration (reg_handle);
539 if (NULL != topology_op)
540 GNUNET_TESTBED_operation_done (topology_op);
541 for (nhost = 0; nhost < num_hosts; nhost++)
542 if (NULL != hosts[nhost])
543 GNUNET_TESTBED_host_destroy (hosts[nhost]);
544 GNUNET_free_non_null (hosts);
546 while (NULL != (dll_op = dll_op_head))
548 GNUNET_TESTBED_operation_done (dll_op->op);
549 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
550 GNUNET_free (dll_op);
553 GNUNET_TESTBED_controller_disconnect (mc);
555 GNUNET_TESTBED_controller_stop (mc_proc);
557 GNUNET_CONFIGURATION_destroy (cfg);
559 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
564 * abort task to run on test timed out
567 * @param tc the task context
570 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
572 unsigned long i = (unsigned long) cls;
574 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
575 abort_task = GNUNET_SCHEDULER_NO_TASK;
576 result = GNUNET_SYSERR;
577 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
578 GNUNET_SCHEDULER_cancel (shutdown_task);
579 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
583 /******************************************************************************/
584 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
585 /******************************************************************************/
588 * Adapter function called to establish a connection to
589 * statistics service.
592 * @param cfg configuration of the peer to connect to; will be available until
593 * GNUNET_TESTBED_operation_done() is called on the operation returned
594 * from GNUNET_TESTBED_service_connect()
595 * @return service handle to return in 'op_result', NULL on error
598 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
600 return GNUNET_STATISTICS_create ("<driver>", cfg);
605 * Adapter function called to destroy a connection to
606 * statistics service.
609 * @param op_result service handle returned from the connect adapter
612 stats_da (void *cls, void *op_result)
614 struct RegexPeer *peer = cls;
616 GNUNET_assert (op_result == peer->stats_handle);
618 GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
619 peer->stats_handle = NULL;
624 * Process statistic values. Write all values to global 'data_file', if present.
627 * @param subsystem name of subsystem that created the statistic
628 * @param name the name of the datum
629 * @param value the current value
630 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
631 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
634 stats_iterator (void *cls, const char *subsystem, const char *name,
635 uint64_t value, int is_persistent)
637 struct RegexPeer *peer = cls;
638 char output_buffer[512];
641 if (NULL == data_file)
643 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
644 "%p -> %s [%s]: %llu\n",
645 peer, subsystem, name, value);
649 GNUNET_snprintf (output_buffer,
650 sizeof (output_buffer),
653 subsystem, value, name);
654 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
655 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
662 * Stats callback. Finish the stats testbed operation and when all stats have
663 * been iterated, shutdown the profiler.
666 * @param success GNUNET_OK if statistics were
667 * successfully obtained, GNUNET_SYSERR if not.
673 static unsigned int peer_cnt;
674 struct RegexPeer *peer = cls;
676 if (GNUNET_OK != success)
678 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
679 "Getting statistics for peer %u failed!\n",
684 GNUNET_assert (NULL != peer->stats_op_handle);
686 GNUNET_TESTBED_operation_done (peer->stats_op_handle);
687 peer->stats_op_handle = NULL;
690 peer = &peers[peer_cnt];
692 if (peer_cnt == num_peers)
694 struct GNUNET_TIME_Relative delay = { 100 };
695 shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
699 peer->stats_op_handle =
700 GNUNET_TESTBED_service_connect (NULL,
713 * Function called by testbed once we are connected to stats
714 * service. Get the statistics for the services of interest.
716 * @param cls the 'struct RegexPeer' for which we connected to stats
717 * @param op connect operation handle
718 * @param ca_result handle to stats service
719 * @param emsg error message on failure
722 stats_connect_cb (void *cls,
723 struct GNUNET_TESTBED_Operation *op,
727 struct RegexPeer *peer = cls;
729 if (NULL == ca_result || NULL != emsg)
731 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
732 "Failed to connect to statistics service on peer %u: %s\n",
735 peer->stats_handle = NULL;
739 peer->stats_handle = ca_result;
741 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
742 GNUNET_TIME_UNIT_FOREVER_REL,
744 &stats_iterator, peer))
746 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
747 "Could not get statistics of peer %u!\n", peer->id);
753 * Task to collect all statistics from all peers, will shutdown the
754 * profiler, when done.
757 * @param tc the task context
760 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
762 struct RegexPeer *peer = &peers[0];
764 GNUNET_assert (NULL != peer->peer_handle);
766 peer->stats_op_handle =
767 GNUNET_TESTBED_service_connect (NULL,
778 /******************************************************************************/
779 /************************ REGEX FIND CONNECTIONS **************************/
780 /******************************************************************************/
784 * Start searching for the next string in the DHT.
786 * @param cls Index of the next peer in the peers array.
787 * @param tc TaskContext.
790 find_next_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
794 * Method called when we've found a peer that announced a regex
795 * that matches our search string. Now get the statistics.
797 * @param cls Closure provided in GNUNET_REGEX_search.
798 * @param id Peer providing a regex that matches the string.
799 * @param get_path Path of the get request.
800 * @param get_path_length Lenght of get_path.
801 * @param put_path Path of the put request.
802 * @param put_path_length Length of the put_path.
805 regex_found_handler (void *cls,
806 const struct GNUNET_PeerIdentity *id,
807 const struct GNUNET_PeerIdentity *get_path,
808 unsigned int get_path_length,
809 const struct GNUNET_PeerIdentity *put_path,
810 unsigned int put_path_length)
812 struct RegexPeer *peer = cls;
813 char output_buffer[512];
816 if (GNUNET_YES == peer->search_str_matched)
818 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
819 "String %s on peer %u already matched!\n",
820 peer->search_str, peer->id);
827 if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
829 GNUNET_SCHEDULER_cancel (peer->timeout);
830 peer->timeout = GNUNET_SCHEDULER_NO_TASK;
831 GNUNET_SCHEDULER_add_delayed (SEARCH_DELAY, &find_next_string, NULL);
836 // FIXME not possible right now
837 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
838 "String matching timed out for string %s on peer %u (%i/%i)\n",
839 peer->search_str, peer->id, peers_found, num_search_strings);
840 peer->search_str_matched = GNUNET_SYSERR;
844 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
846 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
847 "String %s found on peer %u after %s (%i/%i) (%u||)\n",
848 peer->search_str, peer->id,
849 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
850 peers_found, num_search_strings, parallel_searches);
852 peer->search_str_matched = GNUNET_YES;
854 if (NULL != data_file)
857 GNUNET_snprintf (output_buffer,
858 sizeof (output_buffer),
859 "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n"
860 "%p Search string: %s\n%p Search duration: %s\n\n",
863 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
864 peer, peer->policy_file,
865 peer, peer->search_str,
867 GNUNET_STRINGS_relative_time_to_string (prof_time,
870 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
871 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
875 GNUNET_TESTBED_operation_done (peer->op_handle);
876 peer->op_handle = NULL;
878 if (peers_found == num_search_strings)
880 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
881 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
882 "All strings successfully matched in %s\n",
883 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
885 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
886 GNUNET_SCHEDULER_cancel (search_timeout_task);
888 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats and shutting down.\n");
889 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
895 * Connect by string timeout task. This will cancel the profiler after the
896 * specified timeout 'search_timeout'.
899 * @param tc the task context
902 do_connect_by_string_timeout (void *cls,
903 const struct GNUNET_SCHEDULER_TaskContext * tc)
905 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
906 "Finding matches to all strings did not succeed after %s.\n",
907 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
908 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
909 "Found %i of %i strings\n", peers_found, num_search_strings);
911 printf ("Search timed out after %s. Collecting stats and shutting down.\n",
912 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
915 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
920 * Connect by string task that is run to search for a string in the
921 * NFA. It first connects to the mesh service and when a connection is
922 * established it starts to search for the string.
925 * @param tc the task context
928 do_connect_by_string (void *cls,
929 const struct GNUNET_SCHEDULER_TaskContext * tc)
933 printf ("Starting string search.\n");
936 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
937 &do_connect_by_string_timeout, NULL);
938 for (i = 0; i < SEARCHES_IN_PARALLEL; i++)
939 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &find_next_string, NULL);
944 * Search timed out. It might still complete in the future,
945 * but we should start another one.
947 * @param cls Index of the next peer in the peers array.
948 * @param tc TaskContext.
951 find_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
953 struct RegexPeer *p = cls;
955 p->timeout = GNUNET_SCHEDULER_NO_TASK;
957 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
959 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
960 "Searching for string \"%s\" on peer %d timed out. Starting new search.\n",
963 GNUNET_SCHEDULER_add_now (&find_next_string, NULL);
968 * Start searching for the next string in the DHT.
970 * @param cls Index of the next peer in the peers array.
971 * @param tc TaskContext.
974 find_next_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
976 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
977 peer_cnt >= num_search_strings)
981 peers[peer_cnt].search_str = search_strings[peer_cnt];
982 peers[peer_cnt].search_str_matched = GNUNET_NO;
983 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
984 "Searching for string \"%s\" on peer %d with file %s (%u||)\n",
985 peers[peer_cnt].search_str,
987 peers[peer_cnt].policy_file,
990 peers[peer_cnt].op_handle =
991 GNUNET_TESTBED_service_connect (NULL,
992 peers[peer_cnt].peer_handle,
999 peers[peer_cnt].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
1008 * Start announcing the next regex in the DHT.
1010 * @param cls Index of the next peer in the peers array.
1011 * @param tc TaskContext.
1014 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1018 * ARM connect adapter. Opens a connection to the ARM service.
1020 * @param cls Closure (peer).
1021 * @param cfg Configuration handle.
1026 arm_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1028 struct RegexPeer *peer = cls;
1030 peer->arm_handle = GNUNET_ARM_alloc (cfg);
1031 GNUNET_ARM_connect (peer->arm_handle, NULL, NULL);
1033 return peer->arm_handle;
1038 * Adapter function called to destroy a connection to the ARM service.
1040 * @param cls Closure (peer).
1041 * @param op_result Service handle returned from the connect adapter.
1044 arm_da (void *cls, void *op_result)
1046 struct RegexPeer *peer = (struct RegexPeer *) cls;
1048 GNUNET_assert (peer->arm_handle == op_result);
1050 if (NULL != peer->arm_handle)
1052 GNUNET_ARM_disconnect (peer->arm_handle);
1053 peer->arm_handle = NULL;
1058 * Finish and free the operation used to start the regex daemon.
1059 * operation_done calls ARM_disconnect, which cannot happen inside an
1062 * @param cls Closure (Peer info)
1063 * @param tc TaskContext
1066 arm_op_done (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1068 struct RegexPeer *peer = (struct RegexPeer *) cls;
1070 GNUNET_TESTBED_operation_done (peer->op_handle);
1071 peer->op_handle = NULL;
1075 arm_start_cb (void *cls, struct GNUNET_ARM_Handle *arm,
1076 enum GNUNET_ARM_RequestStatus rs, const char *service,
1077 enum GNUNET_ARM_Result result)
1079 struct RegexPeer *peer = (struct RegexPeer *) cls;
1080 static unsigned int arm_peer_cnt;
1081 unsigned int next_p;
1083 if (rs != GNUNET_ARM_REQUEST_SENT_OK)
1085 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM request was not sent: %u\n", rs);
1091 * Asked to start it, but it's already starting.
1093 case GNUNET_ARM_RESULT_IS_STARTING_ALREADY:
1094 GNUNET_break (0); /* Shouldn't be starting, however it's not fatal. */
1098 * Service is currently being started (due to client request).
1100 case GNUNET_ARM_RESULT_STARTING:
1101 GNUNET_SCHEDULER_add_now (&arm_op_done, peer);
1103 if (arm_peer_cnt < (num_peers - 1))
1105 next_p = (++arm_peer_cnt % num_peers);
1106 GNUNET_SCHEDULER_add_delayed (ANNOUNCE_DELAY,
1107 &announce_next_regex,
1108 (void *) (long) next_p);
1112 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1113 "All daemons started."
1114 " Waiting %s to start string searches\n",
1115 GNUNET_STRINGS_relative_time_to_string (search_delay,
1117 GNUNET_SCHEDULER_add_delayed (search_delay,
1118 do_connect_by_string,
1124 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM returned %d\n", result);
1130 * ARM connect callback. Called when we are connected to the arm service for
1131 * the peer in 'cls'. If successfull we start the regex deamon to start
1132 * announcing the regex of this peer.
1134 * @param cls internal peer id.
1135 * @param op operation handle.
1136 * @param ca_result connect adapter result.
1137 * @param emsg error message.
1140 arm_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1141 void *ca_result, const char *emsg)
1143 struct RegexPeer *peer = (struct RegexPeer *) cls;
1145 if (NULL != emsg || NULL == op || NULL == ca_result)
1147 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ARM connect failed: %s\n", emsg);
1151 GNUNET_assert (NULL != peer->arm_handle);
1152 GNUNET_assert (peer->op_handle == op);
1153 GNUNET_assert (peer->arm_handle == ca_result);
1155 GNUNET_ARM_request_service_start (ca_result, "regexprofiler",
1156 GNUNET_OS_INHERIT_STD_NONE,
1157 GNUNET_TIME_UNIT_FOREVER_REL,
1163 * Task to start the daemons on each peer so that the regexes are announced
1167 * @param tc the task context
1170 do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1172 printf ("Starting announce.\n");
1175 /* First connect to arm service, then announce. Next
1176 announce will be in arm_connect_cb */
1177 peers[0].op_handle =
1178 GNUNET_TESTBED_service_connect (NULL,
1179 peers[0].peer_handle,
1191 * Start announcing the next regex in the DHT.
1193 * @param cls Index of the next peer in the peers array.
1194 * @param tc TaskContext.
1197 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1199 long next_p = (long) cls;
1201 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
1204 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %ld\n", next_p);
1206 peers[next_p].op_handle =
1207 GNUNET_TESTBED_service_connect (NULL,
1208 peers[next_p].peer_handle,
1218 * DHT connect callback. Called when we are connected to the dht service for
1219 * the peer in 'cls'. If successfull we connect to the stats service of this
1220 * peer and then try to match the search string of this peer.
1222 * @param cls internal peer id.
1223 * @param op operation handle.
1224 * @param ca_result connect adapter result.
1225 * @param emsg error message.
1228 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1229 void *ca_result, const char *emsg)
1231 struct RegexPeer *peer = (struct RegexPeer *) cls;
1233 if (NULL != emsg || NULL == op || NULL == ca_result)
1235 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
1239 GNUNET_assert (NULL != peer->dht_handle);
1240 GNUNET_assert (peer->op_handle == op);
1241 GNUNET_assert (peer->dht_handle == ca_result);
1243 peer->search_str_matched = GNUNET_NO;
1244 peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
1246 ®ex_found_handler, peer,
1248 peer->prof_start_time = GNUNET_TIME_absolute_get ();
1253 * DHT connect adapter. Opens a connection to the dht service.
1255 * @param cls Closure (peer).
1256 * @param cfg Configuration handle.
1261 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1263 struct RegexPeer *peer = cls;
1265 peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
1267 return peer->dht_handle;
1272 * Adapter function called to destroy a connection to the dht service.
1274 * @param cls Closure (peer).
1275 * @param op_result Service handle returned from the connect adapter.
1278 dht_da (void *cls, void *op_result)
1280 struct RegexPeer *peer = (struct RegexPeer *) cls;
1282 GNUNET_assert (peer->dht_handle == op_result);
1284 if (NULL != peer->search_handle)
1286 GNUNET_REGEX_search_cancel (peer->search_handle);
1287 peer->search_handle = NULL;
1290 if (NULL != peer->dht_handle)
1292 GNUNET_DHT_disconnect (peer->dht_handle);
1293 peer->dht_handle = NULL;
1298 /******************************************************************************/
1299 /*************************** TESTBED PEER SETUP *****************************/
1300 /******************************************************************************/
1304 * Configure the peer overlay topology.
1307 * @param tc the task context
1310 do_configure_topology (void *cls,
1311 const struct GNUNET_SCHEDULER_TaskContext * tc)
1314 if (0 == linking_factor)
1316 num_links = linking_factor * num_peers;
1318 /* num_links = num_peers - 1; */
1319 num_links = linking_factor;
1321 /* Do overlay connect */
1322 prof_start_time = GNUNET_TIME_absolute_get ();
1324 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
1328 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
1330 GNUNET_TESTBED_TOPOLOGY_RETRY_CNT,
1332 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
1333 if (NULL == topology_op)
1335 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1336 "Cannot create topology, op handle was NULL\n");
1343 * Functions of this signature are called when a peer has been successfully
1344 * started or stopped.
1346 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
1347 * @param emsg NULL on success; otherwise an error description
1350 peer_churn_cb (void *cls, const char *emsg)
1352 struct DLLOperation *dll_op = cls;
1353 struct GNUNET_TESTBED_Operation *op;
1354 static unsigned int started_peers;
1355 unsigned int peer_cnt;
1358 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1359 GNUNET_free (dll_op);
1362 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1363 _("An operation has failed while starting peers: %s\n"), emsg);
1364 GNUNET_TESTBED_operation_done (op);
1365 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1366 GNUNET_SCHEDULER_cancel (abort_task);
1367 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1370 GNUNET_TESTBED_operation_done (op);
1371 if (++started_peers == num_peers)
1373 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1374 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1375 "All peers started successfully in %s\n",
1376 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1379 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
1380 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1381 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
1383 state = STATE_PEERS_LINKING;
1384 GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
1390 * Functions of this signature are called when a peer has been successfully
1393 * @param cls the closure from GNUNET_TESTBED_peer_create()
1394 * @param peer the handle for the created peer; NULL on any error during
1396 * @param emsg NULL if peer is not NULL; else MAY contain the error description
1399 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
1401 struct DLLOperation *dll_op = cls;
1402 struct RegexPeer *peer_ptr;
1403 static unsigned int created_peers;
1404 unsigned int peer_cnt;
1408 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1409 _("Creating a peer failed. Error: %s\n"), emsg);
1410 GNUNET_TESTBED_operation_done (dll_op->op);
1411 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1412 GNUNET_free (dll_op);
1413 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1414 GNUNET_SCHEDULER_cancel (abort_task);
1415 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1419 peer_ptr = dll_op->cls;
1420 GNUNET_assert (NULL == peer_ptr->peer_handle);
1421 GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
1422 peer_ptr->cfg = NULL;
1423 peer_ptr->peer_handle = peer;
1424 GNUNET_TESTBED_operation_done (dll_op->op);
1425 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1426 GNUNET_free (dll_op);
1428 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
1430 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
1432 if (++created_peers == num_peers)
1434 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1435 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1436 "All peers created successfully in %s\n",
1437 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1438 /* Now peers are to be started */
1439 state = STATE_PEERS_STARTING;
1440 prof_start_time = GNUNET_TIME_absolute_get ();
1441 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1443 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1444 dll_op->op = GNUNET_TESTBED_peer_start (dll_op,
1445 peers[peer_cnt].peer_handle,
1446 &peer_churn_cb, dll_op);
1447 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1454 * Function called with a filename for each file in the policy directory. Create
1455 * a peer for each filename and update the peer's configuration to include the
1456 * max_path_compression specified as a command line argument as well as the
1457 * policy_file for this peer. The gnunet-service-regexprofiler service is
1458 * automatically started on this peer. The service reads the configurration and
1459 * announces the regexes stored in the policy file 'filename'.
1461 * @param cls closure
1462 * @param filename complete filename (absolute path)
1463 * @return GNUNET_OK to continue to iterate,
1464 * GNUNET_SYSERR to abort iteration with error!
1467 policy_filename_cb (void *cls, const char *filename)
1469 static unsigned int peer_cnt;
1470 struct DLLOperation *dll_op;
1471 struct RegexPeer *peer = &peers[peer_cnt];
1473 GNUNET_assert (NULL != peer);
1475 peer->policy_file = GNUNET_strdup (filename);
1477 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Creating peer %i on host %s for policy file %s\n",
1479 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
1482 /* Set configuration options specific for this peer
1483 (max_path_compression and policy_file */
1484 peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
1485 GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
1486 "MAX_PATH_COMPRESSION",
1487 (unsigned long long)max_path_compression);
1488 GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
1489 "POLICY_FILE", filename);
1491 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1492 dll_op->cls = &peers[peer_cnt];
1493 dll_op->op = GNUNET_TESTBED_peer_create (mc,
1498 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1507 * Controller event callback.
1510 * @param event the controller event
1513 controller_event_cb (void *cls,
1514 const struct GNUNET_TESTBED_EventInformation *event)
1516 struct DLLOperation *dll_op;
1517 struct GNUNET_TESTBED_Operation *op;
1522 case STATE_SLAVES_STARTING:
1523 switch (event->type)
1525 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1527 static unsigned int slaves_started;
1528 unsigned int peer_cnt;
1530 dll_op = event->details.operation_finished.op_cls;
1531 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1532 GNUNET_free (dll_op);
1533 op = event->details.operation_finished.operation;
1534 if (NULL != event->details.operation_finished.emsg)
1536 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1537 _("An operation has failed while starting slaves\n"));
1538 GNUNET_TESTBED_operation_done (op);
1539 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1540 GNUNET_SCHEDULER_cancel (abort_task);
1541 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1544 GNUNET_TESTBED_operation_done (op);
1545 /* Proceed to start peers */
1546 if (++slaves_started == num_hosts - 1)
1548 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1549 "All slaves started successfully\n");
1551 state = STATE_PEERS_CREATING;
1552 prof_start_time = GNUNET_TIME_absolute_get ();
1554 if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
1558 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1559 _("No files found in `%s'\n"),
1561 GNUNET_SCHEDULER_shutdown ();
1564 num_peers = (unsigned int) ret;
1565 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1567 /* Initialize peers */
1568 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1570 struct RegexPeer *peer = &peers[peer_cnt];
1571 peer->id = peer_cnt;
1572 peer->policy_file = NULL;
1573 /* Do not start peers on hosts[0] (master controller) */
1574 peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
1575 peer->dht_handle = NULL;
1576 peer->search_handle = NULL;
1577 peer->stats_handle = NULL;
1578 peer->stats_op_handle = NULL;
1579 peer->search_str = NULL;
1580 peer->search_str_matched = GNUNET_NO;
1583 GNUNET_DISK_directory_scan (policy_dir,
1584 &policy_filename_cb,
1593 case STATE_PEERS_STARTING:
1594 switch (event->type)
1596 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1597 /* Control reaches here when peer start fails */
1598 case GNUNET_TESTBED_ET_PEER_START:
1599 /* we handle peer starts in peer_churn_cb */
1605 case STATE_PEERS_LINKING:
1606 switch (event->type)
1608 static unsigned int established_links;
1609 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1610 /* Control reaches here when a peer linking operation fails */
1611 if (NULL != event->details.operation_finished.emsg)
1613 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1614 _("An operation has failed while linking\n"));
1615 printf ("F%u/%u(%s)",
1616 retry_links + 1, established_links + 1,
1617 event->details.operation_finished.emsg);
1620 /* We do no retries, consider this link as established */
1622 case GNUNET_TESTBED_ET_CONNECT:
1624 char output_buffer[1024];
1627 if (0 == established_links)
1628 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Establishing links .");
1631 printf (".");fflush (stdout);
1633 if (++established_links == num_links)
1635 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1636 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1637 "\n%u links established in %s\n",
1639 GNUNET_STRINGS_relative_time_to_string (prof_time,
1641 prof_time = GNUNET_TIME_relative_divide(prof_time, num_links);
1642 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1643 "Average of %s per connection\n",
1644 GNUNET_STRINGS_relative_time_to_string (prof_time,
1647 GNUNET_free (peer_handles);
1649 if (NULL != data_file)
1652 GNUNET_snprintf (output_buffer,
1653 sizeof (output_buffer),
1654 "# of peers: %u\n# of links established: %u\n"
1655 "Time to establish links: %s\n"
1656 "Linking failures: %u\n"
1657 "path compression length: %u\n"
1658 "# of search strings: %u\n",
1660 (established_links - retry_links),
1661 GNUNET_STRINGS_relative_time_to_string (prof_time,
1664 max_path_compression,
1665 num_search_strings);
1667 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
1668 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
1671 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1672 "\nWaiting %s before starting to announce.\n",
1673 GNUNET_STRINGS_relative_time_to_string (search_delay,
1675 state = STATE_SEARCH_REGEX;
1676 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
1677 &do_announce, NULL);
1685 case STATE_SEARCH_REGEX:
1687 /* Handled in service connect callback */
1693 case STATE_PEERS_CREATING:
1694 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
1697 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1698 "Unexpected controller_cb with state %i!\n", state);
1706 * Task to register all hosts available in the global host list.
1709 * @param tc the scheduler task context
1712 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1716 * Callback which will be called to after a host registration succeeded or failed
1718 * @param cls the closure
1719 * @param emsg the error message; NULL if host registration is successful
1722 host_registration_completion (void *cls, const char *emsg)
1727 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1728 _("Host registration failed for a host. Error: %s\n"), emsg);
1729 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1730 GNUNET_SCHEDULER_cancel (abort_task);
1731 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1734 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1739 * Task to register all hosts available in the global host list.
1742 * @param tc the scheduler task context
1745 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1747 struct DLLOperation *dll_op;
1748 static unsigned int reg_host;
1751 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1752 if (reg_host == num_hosts - 1)
1754 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1755 "All hosts successfully registered\n");
1757 state = STATE_SLAVES_STARTING;
1758 for (slave = 1; slave < num_hosts; slave++)
1760 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1761 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1767 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1771 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1772 host_registration_completion,
1778 * Callback to signal successfull startup of the controller process.
1780 * @param cls the closure from GNUNET_TESTBED_controller_start()
1781 * @param config the configuration with which the controller has been started;
1782 * NULL if status is not GNUNET_OK
1783 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1784 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1787 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1789 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1790 GNUNET_SCHEDULER_cancel (abort_task);
1791 if (GNUNET_OK != status)
1794 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Oh, dear!\n");
1795 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1799 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1800 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1801 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1802 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1803 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1804 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1805 &controller_event_cb, NULL);
1808 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1809 _("Unable to connect to master controller -- Check config\n"));
1810 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1813 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1814 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1815 &do_abort, (void*) __LINE__);
1820 * Load search strings from given filename. One search string per line.
1822 * @param filename filename of the file containing the search strings.
1823 * @param strings set of strings loaded from file. Caller needs to free this
1824 * if number returned is greater than zero.
1825 * @param limit upper limit on the number of strings read from the file
1826 * @return number of strings found in the file. GNUNET_SYSERR on error.
1829 load_search_strings (const char *filename, char ***strings, unsigned int limit)
1834 unsigned int offset;
1838 if (NULL == filename)
1840 return GNUNET_SYSERR;
1843 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1845 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1846 "Could not find search strings file %s\n", filename);
1847 return GNUNET_SYSERR;
1849 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1853 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1854 return GNUNET_SYSERR;
1856 data = GNUNET_malloc (filesize);
1857 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1860 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1862 return GNUNET_SYSERR;
1867 while (offset < (filesize - 1) && str_cnt < limit)
1870 if (((data[offset] == '\n')) && (buf != &data[offset]))
1872 data[offset] = '\0';
1874 buf = &data[offset + 1];
1876 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1877 buf = &data[offset + 1];
1879 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1881 for (i = 0; i < str_cnt; i++)
1883 GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
1884 offset += strlen (&data[offset]) + 1;
1892 * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
1893 * inform whether the given host is habitable or not. The Handle returned by
1894 * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
1897 * @param host the host whose status is being reported; will be NULL if the host
1898 * given to GNUNET_TESTBED_is_host_habitable() is NULL
1899 * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
1902 host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
1904 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
1905 static unsigned int hosts_checked;
1908 if (GNUNET_NO == status)
1910 if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
1911 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
1912 GNUNET_TESTBED_host_get_hostname (host));
1914 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
1915 GNUNET_SCHEDULER_cancel (abort_task);
1916 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1920 /* printf (_("\rChecked %u hosts"), hosts_checked); */
1921 /* fflush (stdout); */
1922 if (hosts_checked < num_hosts)
1924 /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
1925 GNUNET_free (hc_handles);
1928 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1938 * Main function that will be run by the scheduler.
1940 * @param cls closure
1941 * @param args remaining command-line arguments
1942 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1943 * @param config configuration
1946 run (void *cls, char *const *args, const char *cfgfile,
1947 const struct GNUNET_CONFIGURATION_Handle *config)
1950 unsigned int nsearchstrs;
1952 if (NULL == args[0])
1954 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1955 _("No hosts-file specified on command line. Exiting.\n"));
1958 if (NULL == args[1])
1960 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1961 _("No policy directory specified on command line. Exiting.\n"));
1964 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], config, &hosts);
1967 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1968 _("No hosts loaded. Need at least one host\n"));
1971 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1972 _("Checking whether given hosts can start testbed."
1974 hc_handles = GNUNET_malloc (sizeof (struct
1975 GNUNET_TESTBED_HostHabitableCheckHandle *)
1977 for (nhost = 0; nhost < num_hosts; nhost++)
1979 hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
1981 &hc_handles[nhost]);
1982 if (NULL == hc_handles[nhost])
1987 for (i = 0; i <= nhost; i++)
1988 if (NULL != hc_handles[i])
1989 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[i]);
1990 GNUNET_free (hc_handles);
1995 if (num_hosts != nhost)
1997 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Exiting\n"));
1998 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2003 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2004 _("No configuration file given. Exiting\n"));
2005 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2010 GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
2013 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2014 _("Configuration option \"regex_prefix\" missing. Exiting\n"));
2015 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2019 if ( (NULL != data_filename) &&
2020 (NULL == (data_file =
2021 GNUNET_DISK_file_open (data_filename,
2022 GNUNET_DISK_OPEN_READWRITE |
2023 GNUNET_DISK_OPEN_TRUNCATE |
2024 GNUNET_DISK_OPEN_CREATE,
2025 GNUNET_DISK_PERM_USER_READ |
2026 GNUNET_DISK_PERM_USER_WRITE))) )
2027 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
2030 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
2032 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2033 _("Specified policies directory does not exist. Exiting.\n"));
2034 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2037 policy_dir = args[1];
2038 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
2040 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2041 _("No search strings file given. Exiting.\n"));
2042 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2045 nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
2046 if (num_search_strings != nsearchstrs)
2048 num_search_strings = nsearchstrs;
2049 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2050 _("Error loading search strings."
2051 "Given file does not contain enough strings. Exiting.\n"));
2052 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2055 if (0 >= num_search_strings || NULL == search_strings)
2057 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2058 _("Error loading search strings. Exiting.\n"));
2059 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2063 for (i = 0; i < num_search_strings; i++)
2064 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
2065 cfg = GNUNET_CONFIGURATION_dup (config);
2067 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
2068 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
2076 * @param argc argument count
2077 * @param argv argument values
2078 * @return 0 on success
2081 main (int argc, char *const *argv)
2083 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
2084 {'d', "details", "FILENAME",
2085 gettext_noop ("name of the file for writing statistics"),
2086 1, &GNUNET_GETOPT_set_string, &data_filename},
2087 {'n', "num-links", "COUNT",
2088 gettext_noop ("create COUNT number of random links between peers"),
2089 GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
2090 {'t', "matching-timeout", "TIMEOUT",
2091 gettext_noop ("wait TIMEOUT before considering a string match as failed"),
2092 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
2093 {'s', "search-delay", "DELAY",
2094 gettext_noop ("wait DELAY before starting string search"),
2095 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
2096 {'a', "num-search-strings", "COUNT",
2097 gettext_noop ("number of search strings to read from search strings file"),
2098 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
2099 {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
2100 gettext_noop ("maximum path compression length"),
2101 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
2102 GNUNET_GETOPT_OPTION_END
2106 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
2109 result = GNUNET_SYSERR;
2111 GNUNET_PROGRAM_run (argc, argv,
2112 "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
2113 _("Profiler for regex"),
2114 options, &run, NULL);
2116 if (GNUNET_OK != ret)
2118 if (GNUNET_OK != result)