2 This file is part of GNUnet.
3 (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
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6 it under the terms of the GNU General Public License as published
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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 10
48 * The testbed operation handle
50 struct GNUNET_TESTBED_Operation *op;
58 * The next pointer for DLL
60 struct DLLOperation *next;
63 * The prev pointer for DLL
65 struct DLLOperation *prev;
70 * Available states during profiling
82 STATE_SLAVES_STARTING,
100 * Matching strings against announced regexes
105 * Destroying peers; we can do this as the controller takes care of stopping a
106 * peer if it is running
108 STATE_PEERS_DESTROYING
123 * Peer configuration handle.
125 struct GNUNET_CONFIGURATION_Handle *cfg;
128 * The actual testbed peer handle.
130 struct GNUNET_TESTBED_Peer *peer_handle;
133 * Host on which the peer is running.
135 struct GNUNET_TESTBED_Host *host_handle;
138 * Filename of the peer's policy file.
143 * Peers search string.
145 const char *search_str;
148 * Set to GNUNET_YES if the peer successfully matched the above
149 * search string. GNUNET_NO if the string could not be matched
150 * during the profiler run. GNUNET_SYSERR if the string matching
151 * timed out. Undefined if search_str is NULL
153 int search_str_matched;
158 struct GNUNET_ARM_Handle *arm_handle;
163 struct GNUNET_DHT_Handle *dht_handle;
166 * Handle to a running regex search.
168 struct GNUNET_REGEX_search_handle *search_handle;
171 * Testbed operation handle for the ARM and DHT services.
173 struct GNUNET_TESTBED_Operation *op_handle;
176 * Peers's statistics handle.
178 struct GNUNET_STATISTICS_Handle *stats_handle;
181 * Testbed operation handle for the statistics service.
183 struct GNUNET_TESTBED_Operation *stats_op_handle;
186 * The starting time of a profiling step.
188 struct GNUNET_TIME_Absolute prof_start_time;
193 GNUNET_SCHEDULER_TaskIdentifier timeout;
198 * An array of hosts loaded from the hostkeys file
200 static struct GNUNET_TESTBED_Host **hosts;
203 * Array of peer handles used to pass to
204 * GNUNET_TESTBED_overlay_configure_topology
206 static struct GNUNET_TESTBED_Peer **peer_handles;
209 * The array of peers; we fill this as the peers are given to us by the testbed
211 static struct RegexPeer *peers;
214 * Host registration handle
216 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
219 * Handle to the master controller process
221 static struct GNUNET_TESTBED_ControllerProc *mc_proc;
224 * Handle to the master controller
226 static struct GNUNET_TESTBED_Controller *mc;
229 * Handle to global configuration
231 static struct GNUNET_CONFIGURATION_Handle *cfg;
234 * Head of the operations list
236 static struct DLLOperation *dll_op_head;
239 * Tail of the operations list
241 static struct DLLOperation *dll_op_tail;
244 * Peer linking - topology operation
246 static struct GNUNET_TESTBED_Operation *topology_op;
249 * The handle for whether a host is habitable or not
251 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
254 * Abort task identifier
256 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
259 * Shutdown task identifier
261 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
264 * Host registration task identifier
266 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
269 * Global event mask for all testbed events
271 static uint64_t event_mask;
274 * The starting time of a profiling step
276 static struct GNUNET_TIME_Absolute prof_start_time;
279 * Duration profiling step has taken
281 static struct GNUNET_TIME_Relative prof_time;
284 * Number of peers to be started by the profiler
286 static unsigned int num_peers;
289 * Number of hosts in the hosts array
291 static unsigned int num_hosts;
294 * Factor of number of links. num_links = num_peers * linking_factor.
296 static unsigned int linking_factor;
299 * Number of random links to be established between peers
301 static unsigned int num_links;
304 * Number of times we try overlay connect operations
306 static unsigned int retry_links;
309 * Continuous failures during overlay connect operations
311 static unsigned int cont_fails;
314 * Global testing status
319 * current state of profiling
324 * Folder where policy files are stored.
326 static char * policy_dir;
331 static char **search_strings;
334 * Number of search strings.
336 static int num_search_strings;
339 * How many searches are running in parallel
341 static unsigned int parallel_searches;
344 * Index of peer/string search.
346 static unsigned int peer_cnt;
349 * Number of peers found with search strings.
351 static unsigned int peers_found;
354 * Search task identifier
356 static GNUNET_SCHEDULER_TaskIdentifier search_task;
359 * Search timeout task identifier.
361 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
364 * Search timeout in seconds.
366 static struct GNUNET_TIME_Relative search_timeout = { 60000 };
369 * How long do we wait before starting the search?
372 static struct GNUNET_TIME_Relative search_delay = { 60000 };
375 * File to log statistics to.
377 static struct GNUNET_DISK_FileHandle *data_file;
380 * Filename to log statistics to.
382 static char *data_filename;
385 * Maximal path compression length.
387 static unsigned int max_path_compression;
390 * Prefix used for regex announcing. We need to prefix the search
391 * strings with it, in order to find something.
393 static char * regex_prefix;
396 /******************************************************************************/
397 /****************************** DECLARATIONS ********************************/
398 /******************************************************************************/
402 * Search callback function.
404 * @param cls Closure provided in GNUNET_REGEX_search.
405 * @param id Peer providing a regex that matches the string.
406 * @param get_path Path of the get request.
407 * @param get_path_length Lenght of get_path.
408 * @param put_path Path of the put request.
409 * @param put_path_length Length of the put_path.
412 regex_found_handler (void *cls,
413 const struct GNUNET_PeerIdentity *id,
414 const struct GNUNET_PeerIdentity *get_path,
415 unsigned int get_path_length,
416 const struct GNUNET_PeerIdentity *put_path,
417 unsigned int put_path_length);
421 * DHT connect callback.
423 * @param cls internal peer id.
424 * @param op operation handle.
425 * @param ca_result connect adapter result.
426 * @param emsg error message.
429 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
430 void *ca_result, const char *emsg);
433 * DHT connect adapter.
435 * @param cls not used.
436 * @param cfg configuration handle.
441 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
445 * Adapter function called to destroy a connection to
449 * @param op_result service handle returned from the connect adapter
452 dht_da (void *cls, void *op_result);
456 * Function called by testbed once we are connected to stats
457 * service. Get the statistics for the services of interest.
459 * @param cls the 'struct RegexPeer' for which we connected to stats
460 * @param op connect operation handle
461 * @param ca_result handle to stats service
462 * @param emsg error message on failure
465 stats_connect_cb (void *cls,
466 struct GNUNET_TESTBED_Operation *op,
472 * Task to collect all statistics from all peers, will shutdown the
473 * profiler, when done.
476 * @param tc the task context
479 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
482 /******************************************************************************/
483 /******************************** SHUTDOWN **********************************/
484 /******************************************************************************/
491 * @param tc the task context
494 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
496 struct DLLOperation *dll_op;
497 struct RegexPeer *peer;
499 unsigned int peer_cnt;
500 unsigned int search_str_cnt;
501 char output_buffer[512];
504 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
505 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
506 GNUNET_SCHEDULER_cancel (abort_task);
507 if (NULL != hc_handles)
509 for (nhost = 0; nhost < num_hosts; nhost++)
510 if (NULL != hc_handles[nhost])
511 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
512 GNUNET_free (hc_handles);
515 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
516 GNUNET_SCHEDULER_cancel (register_hosts_task);
518 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
520 peer = &peers[peer_cnt];
522 if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
524 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
526 GNUNET_snprintf (output_buffer,
527 sizeof (output_buffer),
528 "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
529 peer, peer->search_str, peer->search_str_matched,
530 peer, peer->id, peer,
531 peer, peer->policy_file,
533 GNUNET_STRINGS_relative_time_to_string (prof_time,
535 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
536 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
539 if (NULL != peers[peer_cnt].op_handle)
540 GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
541 if (NULL != peers[peer_cnt].stats_op_handle)
542 GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
545 if (NULL != data_file)
546 GNUNET_DISK_file_close (data_file);
548 for (search_str_cnt = 0;
549 search_str_cnt < num_search_strings && NULL != search_strings;
552 GNUNET_free_non_null (search_strings[search_str_cnt]);
554 GNUNET_free_non_null (search_strings);
556 if (NULL != reg_handle)
557 GNUNET_TESTBED_cancel_registration (reg_handle);
558 if (NULL != topology_op)
559 GNUNET_TESTBED_operation_done (topology_op);
560 for (nhost = 0; nhost < num_hosts; nhost++)
561 if (NULL != hosts[nhost])
562 GNUNET_TESTBED_host_destroy (hosts[nhost]);
563 GNUNET_free_non_null (hosts);
565 while (NULL != (dll_op = dll_op_head))
567 GNUNET_TESTBED_operation_done (dll_op->op);
568 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
569 GNUNET_free (dll_op);
572 GNUNET_TESTBED_controller_disconnect (mc);
574 GNUNET_TESTBED_controller_stop (mc_proc);
576 GNUNET_CONFIGURATION_destroy (cfg);
578 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
583 * abort task to run on test timed out
586 * @param tc the task context
589 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
591 unsigned long i = (unsigned long) cls;
593 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %lu...\n", i);
594 abort_task = GNUNET_SCHEDULER_NO_TASK;
595 result = GNUNET_SYSERR;
596 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
597 GNUNET_SCHEDULER_cancel (shutdown_task);
598 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
602 /******************************************************************************/
603 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
604 /******************************************************************************/
607 * Adapter function called to establish a connection to
608 * statistics service.
611 * @param cfg configuration of the peer to connect to; will be available until
612 * GNUNET_TESTBED_operation_done() is called on the operation returned
613 * from GNUNET_TESTBED_service_connect()
614 * @return service handle to return in 'op_result', NULL on error
617 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
619 return GNUNET_STATISTICS_create ("<driver>", cfg);
624 * Adapter function called to destroy a connection to
625 * statistics service.
628 * @param op_result service handle returned from the connect adapter
631 stats_da (void *cls, void *op_result)
633 struct RegexPeer *peer = cls;
635 GNUNET_assert (op_result == peer->stats_handle);
637 GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
638 peer->stats_handle = NULL;
643 * Process statistic values. Write all values to global 'data_file', if present.
646 * @param subsystem name of subsystem that created the statistic
647 * @param name the name of the datum
648 * @param value the current value
649 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
650 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
653 stats_iterator (void *cls, const char *subsystem, const char *name,
654 uint64_t value, int is_persistent)
656 struct RegexPeer *peer = cls;
657 char output_buffer[512];
660 if (NULL == data_file)
662 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
663 "%p -> %s [%s]: %llu\n",
664 peer, subsystem, name, value);
668 GNUNET_snprintf (output_buffer,
669 sizeof (output_buffer),
672 subsystem, value, name);
673 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
674 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
681 * Stats callback. Finish the stats testbed operation and when all stats have
682 * been iterated, shutdown the profiler.
685 * @param success GNUNET_OK if statistics were
686 * successfully obtained, GNUNET_SYSERR if not.
692 static unsigned int peer_cnt;
693 struct RegexPeer *peer = cls;
695 if (GNUNET_OK != success)
697 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
698 "Getting statistics for peer %u failed!\n",
703 GNUNET_assert (NULL != peer->stats_op_handle);
705 GNUNET_TESTBED_operation_done (peer->stats_op_handle);
706 peer->stats_op_handle = NULL;
709 peer = &peers[peer_cnt];
711 if (peer_cnt == num_peers)
713 struct GNUNET_TIME_Relative delay = { 100 };
714 shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
718 peer->stats_op_handle =
719 GNUNET_TESTBED_service_connect (NULL,
732 * Function called by testbed once we are connected to stats
733 * service. Get the statistics for the services of interest.
735 * @param cls the 'struct RegexPeer' for which we connected to stats
736 * @param op connect operation handle
737 * @param ca_result handle to stats service
738 * @param emsg error message on failure
741 stats_connect_cb (void *cls,
742 struct GNUNET_TESTBED_Operation *op,
746 struct RegexPeer *peer = cls;
748 if (NULL == ca_result || NULL != emsg)
750 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
751 "Failed to connect to statistics service on peer %u: %s\n",
754 peer->stats_handle = NULL;
758 peer->stats_handle = ca_result;
760 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
761 GNUNET_TIME_UNIT_FOREVER_REL,
763 &stats_iterator, peer))
765 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
766 "Could not get statistics of peer %u!\n", peer->id);
772 * Task to collect all statistics from all peers, will shutdown the
773 * profiler, when done.
776 * @param tc the task context
779 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
781 struct RegexPeer *peer = &peers[0];
783 GNUNET_assert (NULL != peer->peer_handle);
785 peer->stats_op_handle =
786 GNUNET_TESTBED_service_connect (NULL,
797 /******************************************************************************/
798 /************************ REGEX FIND CONNECTIONS **************************/
799 /******************************************************************************/
803 * Start searching for the next string in the DHT.
805 * @param cls Index of the next peer in the peers array.
806 * @param tc TaskContext.
809 find_next_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
813 * Method called when we've found a peer that announced a regex
814 * that matches our search string. Now get the statistics.
816 * @param cls Closure provided in GNUNET_REGEX_search.
817 * @param id Peer providing a regex that matches the string.
818 * @param get_path Path of the get request.
819 * @param get_path_length Lenght of get_path.
820 * @param put_path Path of the put request.
821 * @param put_path_length Length of the put_path.
824 regex_found_handler (void *cls,
825 const struct GNUNET_PeerIdentity *id,
826 const struct GNUNET_PeerIdentity *get_path,
827 unsigned int get_path_length,
828 const struct GNUNET_PeerIdentity *put_path,
829 unsigned int put_path_length)
831 struct RegexPeer *peer = cls;
832 char output_buffer[512];
835 if (GNUNET_YES == peer->search_str_matched)
837 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
838 "String %s on peer %u already matched!\n",
839 peer->search_str, peer->id);
846 if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
848 GNUNET_SCHEDULER_cancel (peer->timeout);
849 peer->timeout = GNUNET_SCHEDULER_NO_TASK;
850 GNUNET_SCHEDULER_add_now (&find_next_string, NULL);
855 // FIXME not possible right now
856 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
857 "String matching timed out for string %s on peer %u (%i/%i)\n",
858 peer->search_str, peer->id, peers_found, num_search_strings);
860 printf ("String matching timed out for string %s on peer %u (%i/%i)\n",
861 peer->search_str, peer->id, peers_found, num_search_strings);
863 peer->search_str_matched = GNUNET_SYSERR;
867 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
869 printf ("String %s successfully matched on peer %u after %s (%i/%i) (%u||)\n",
870 peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
871 peers_found, num_search_strings, parallel_searches);
874 peer->search_str_matched = GNUNET_YES;
876 if (NULL != data_file)
879 GNUNET_snprintf (output_buffer,
880 sizeof (output_buffer),
881 "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n"
882 "%p Search string: %s\n%p Search duration: %s\n\n",
885 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
886 peer, peer->policy_file,
887 peer, peer->search_str,
889 GNUNET_STRINGS_relative_time_to_string (prof_time,
892 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
893 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
897 GNUNET_TESTBED_operation_done (peer->op_handle);
898 peer->op_handle = NULL;
900 if (peers_found == num_search_strings)
902 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
903 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
904 "All strings successfully matched in %s\n",
905 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
906 printf ("All strings successfully matched.\n");
909 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
910 GNUNET_SCHEDULER_cancel (search_timeout_task);
912 printf ("Collecting stats and shutting down.\n");
913 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
919 * Connect by string timeout task. This will cancel the profiler after the
920 * specified timeout 'search_timeout'.
923 * @param tc the task context
926 do_connect_by_string_timeout (void *cls,
927 const struct GNUNET_SCHEDULER_TaskContext * tc)
929 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
930 "Finding matches to all strings did not succeed after %s.\n",
931 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
932 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
933 "Found %i of %i strings\n", peers_found, num_search_strings);
935 printf ("Search timed out after %s. Collecting stats and shutting down.\n",
936 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
939 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
944 * Connect by string task that is run to search for a string in the
945 * NFA. It first connects to the mesh service and when a connection is
946 * established it starts to search for the string.
949 * @param tc the task context
952 do_connect_by_string (void *cls,
953 const struct GNUNET_SCHEDULER_TaskContext * tc)
957 printf ("Starting string search.\n");
960 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
961 &do_connect_by_string_timeout, NULL);
962 for (i = 0; i < SEARCHES_IN_PARALLEL; i++)
963 GNUNET_SCHEDULER_add_now (&find_next_string, NULL);
968 * Search timed out. It might still complete in the future,
969 * but we should start another one.
971 * @param cls Index of the next peer in the peers array.
972 * @param tc TaskContext.
975 find_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
977 struct RegexPeer *p = cls;
979 p->timeout = GNUNET_SCHEDULER_NO_TASK;
981 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
983 GNUNET_SCHEDULER_add_now (&find_next_string, NULL);
988 * Start searching for the next string in the DHT.
990 * @param cls Index of the next peer in the peers array.
991 * @param tc TaskContext.
994 find_next_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
996 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
997 peer_cnt >= (num_search_strings - 1))
1000 parallel_searches++;
1001 peers[peer_cnt].search_str = search_strings[peer_cnt];
1002 peers[peer_cnt].search_str_matched = GNUNET_NO;
1003 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1004 "Searching for string \"%s\" on peer %d with file %s (%u||)\n",
1005 peers[peer_cnt].search_str,
1007 peers[peer_cnt].policy_file,
1010 peers[peer_cnt].op_handle =
1011 GNUNET_TESTBED_service_connect (NULL,
1012 peers[peer_cnt].peer_handle,
1019 peers[peer_cnt].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
1027 * ARM connect adapter. Opens a connection to the ARM service.
1029 * @param cls Closure (peer).
1030 * @param cfg Configuration handle.
1035 arm_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1037 struct RegexPeer *peer = cls;
1039 peer->arm_handle = GNUNET_ARM_connect (cfg, NULL);
1041 return peer->arm_handle;
1046 * Adapter function called to destroy a connection to the ARM service.
1048 * @param cls Closure (peer).
1049 * @param op_result Service handle returned from the connect adapter.
1052 arm_da (void *cls, void *op_result)
1054 struct RegexPeer *peer = (struct RegexPeer *) cls;
1056 GNUNET_assert (peer->arm_handle == op_result);
1058 if (NULL != peer->arm_handle)
1060 GNUNET_ARM_disconnect (peer->arm_handle);
1061 peer->arm_handle = NULL;
1067 * Start announcing the next regex in the DHT.
1069 * @param cls Index of the next peer in the peers array.
1070 * @param tc TaskContext.
1073 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1077 * Callback function invoked when ARM peration is complete: deamon is started.
1079 * @param cls Closure (RegexPeer).
1080 * @param result Outcome of the operation.
1083 arm_start_cb (void *cls, enum GNUNET_ARM_ProcessStatus result)
1085 struct RegexPeer *peer = (struct RegexPeer *) cls;
1086 static unsigned int peer_cnt;
1087 unsigned int next_p;
1092 * Service is currently being started (due to client request).
1094 case GNUNET_ARM_PROCESS_STARTING:
1095 GNUNET_TESTBED_operation_done (peer->op_handle);
1096 peer->op_handle = NULL;
1098 if (peer_cnt < (num_peers - 1))
1100 next_p = (++peer_cnt % num_peers);
1101 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
1102 GNUNET_TIME_UNIT_MILLISECONDS,
1104 &announce_next_regex,
1105 (void *) (long) next_p);
1109 printf ("All daemons started. Waiting %s to start string searches\n",
1110 GNUNET_STRINGS_relative_time_to_string (search_delay,
1113 GNUNET_SCHEDULER_add_delayed (search_delay,
1114 do_connect_by_string,
1120 * Service name is unknown to ARM.
1122 case GNUNET_ARM_PROCESS_UNKNOWN:
1124 * Service is now down (due to client request).
1126 case GNUNET_ARM_PROCESS_DOWN:
1128 * Service is already running.
1130 case GNUNET_ARM_PROCESS_ALREADY_RUNNING:
1132 * Service is already being stopped by some other client.
1134 case GNUNET_ARM_PROCESS_ALREADY_STOPPING:
1136 * Service is already down (no action taken)
1138 case GNUNET_ARM_PROCESS_ALREADY_DOWN:
1140 * ARM is currently being shut down (no more process starts)
1142 case GNUNET_ARM_PROCESS_SHUTDOWN:
1144 * Error in communication with ARM
1146 case GNUNET_ARM_PROCESS_COMMUNICATION_ERROR:
1148 * Timeout in communication with ARM
1150 case GNUNET_ARM_PROCESS_COMMUNICATION_TIMEOUT:
1152 * Failure to perform operation
1154 case GNUNET_ARM_PROCESS_FAILURE:
1156 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM returned %d\n", result);
1163 * ARM connect callback. Called when we are connected to the arm service for
1164 * the peer in 'cls'. If successfull we start the regex deamon to start
1165 * announcing the regex of this peer.
1167 * @param cls internal peer id.
1168 * @param op operation handle.
1169 * @param ca_result connect adapter result.
1170 * @param emsg error message.
1173 arm_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1174 void *ca_result, const char *emsg)
1176 struct RegexPeer *peer = (struct RegexPeer *) cls;
1178 if (NULL != emsg || NULL == op || NULL == ca_result)
1180 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ARM connect failed: %s\n", emsg);
1184 GNUNET_assert (NULL != peer->arm_handle);
1185 GNUNET_assert (peer->op_handle == op);
1186 GNUNET_assert (peer->arm_handle == ca_result);
1188 GNUNET_ARM_start_service (ca_result, "regexprofiler",
1189 GNUNET_OS_INHERIT_STD_NONE,
1190 GNUNET_TIME_UNIT_FOREVER_REL,
1197 * Task to start the daemons on each peer so that the regexes are announced
1201 * @param tc the task context
1204 do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1206 printf ("Starting announce.\n");
1209 /* First connect to arm service, then announce. Next
1210 announce will be in arm_connect_cb */
1211 peers[0].op_handle =
1212 GNUNET_TESTBED_service_connect (NULL,
1213 peers[0].peer_handle,
1225 * Start announcing the next regex in the DHT.
1227 * @param cls Index of the next peer in the peers array.
1228 * @param tc TaskContext.
1231 announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1233 long next_p = (long) cls;
1235 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
1238 printf ("Starting daemon %ld\n", next_p);
1241 peers[next_p].op_handle =
1242 GNUNET_TESTBED_service_connect (NULL,
1243 peers[next_p].peer_handle,
1253 * DHT connect callback. Called when we are connected to the dht service for
1254 * the peer in 'cls'. If successfull we connect to the stats service of this
1255 * peer and then try to match the search string of this peer.
1257 * @param cls internal peer id.
1258 * @param op operation handle.
1259 * @param ca_result connect adapter result.
1260 * @param emsg error message.
1263 dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1264 void *ca_result, const char *emsg)
1266 struct RegexPeer *peer = (struct RegexPeer *) cls;
1268 if (NULL != emsg || NULL == op || NULL == ca_result)
1270 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
1274 GNUNET_assert (NULL != peer->dht_handle);
1275 GNUNET_assert (peer->op_handle == op);
1276 GNUNET_assert (peer->dht_handle == ca_result);
1278 peer->search_str_matched = GNUNET_NO;
1279 peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
1281 ®ex_found_handler, peer,
1283 peer->prof_start_time = GNUNET_TIME_absolute_get ();
1288 * DHT connect adapter. Opens a connection to the dht service.
1290 * @param cls Closure (peer).
1291 * @param cfg Configuration handle.
1296 dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1298 struct RegexPeer *peer = cls;
1300 peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
1302 return peer->dht_handle;
1307 * Adapter function called to destroy a connection to the dht service.
1309 * @param cls Closure (peer).
1310 * @param op_result Service handle returned from the connect adapter.
1313 dht_da (void *cls, void *op_result)
1315 struct RegexPeer *peer = (struct RegexPeer *) cls;
1317 GNUNET_assert (peer->dht_handle == op_result);
1319 if (NULL != peer->search_handle)
1321 GNUNET_REGEX_search_cancel (peer->search_handle);
1322 peer->search_handle = NULL;
1325 if (NULL != peer->dht_handle)
1327 GNUNET_DHT_disconnect (peer->dht_handle);
1328 peer->dht_handle = NULL;
1333 /******************************************************************************/
1334 /*************************** TESTBED PEER SETUP *****************************/
1335 /******************************************************************************/
1339 * Configure the peer overlay topology.
1342 * @param tc the task context
1345 do_configure_topology (void *cls,
1346 const struct GNUNET_SCHEDULER_TaskContext * tc)
1349 if (0 == linking_factor)
1351 num_links = linking_factor * num_peers;
1353 /* num_links = num_peers - 1; */
1354 num_links = linking_factor;
1356 /* Do overlay connect */
1357 prof_start_time = GNUNET_TIME_absolute_get ();
1359 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
1363 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
1365 GNUNET_TESTBED_TOPOLOGY_RETRY_CNT,
1367 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
1368 if (NULL == topology_op)
1370 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1371 "Cannot create topology, op handle was NULL\n");
1378 * Functions of this signature are called when a peer has been successfully
1379 * started or stopped.
1381 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
1382 * @param emsg NULL on success; otherwise an error description
1385 peer_churn_cb (void *cls, const char *emsg)
1387 struct DLLOperation *dll_op = cls;
1388 struct GNUNET_TESTBED_Operation *op;
1389 static unsigned int started_peers;
1390 unsigned int peer_cnt;
1393 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1394 GNUNET_free (dll_op);
1397 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1398 _("An operation has failed while starting peers: %s\n"), emsg);
1399 GNUNET_TESTBED_operation_done (op);
1400 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1401 GNUNET_SCHEDULER_cancel (abort_task);
1402 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1405 GNUNET_TESTBED_operation_done (op);
1406 if (++started_peers == num_peers)
1408 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1409 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1410 "All peers started successfully in %s\n",
1411 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1414 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
1415 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1416 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
1418 state = STATE_PEERS_LINKING;
1419 GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
1425 * Functions of this signature are called when a peer has been successfully
1428 * @param cls the closure from GNUNET_TESTBED_peer_create()
1429 * @param peer the handle for the created peer; NULL on any error during
1431 * @param emsg NULL if peer is not NULL; else MAY contain the error description
1434 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
1436 struct DLLOperation *dll_op = cls;
1437 struct RegexPeer *peer_ptr;
1438 static unsigned int created_peers;
1439 unsigned int peer_cnt;
1443 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1444 _("Creating a peer failed. Error: %s\n"), emsg);
1445 GNUNET_TESTBED_operation_done (dll_op->op);
1446 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1447 GNUNET_free (dll_op);
1448 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1449 GNUNET_SCHEDULER_cancel (abort_task);
1450 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1454 peer_ptr = dll_op->cls;
1455 GNUNET_assert (NULL == peer_ptr->peer_handle);
1456 GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
1457 peer_ptr->cfg = NULL;
1458 peer_ptr->peer_handle = peer;
1459 GNUNET_TESTBED_operation_done (dll_op->op);
1460 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1461 GNUNET_free (dll_op);
1463 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
1465 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
1467 if (++created_peers == num_peers)
1469 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1470 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1471 "All peers created successfully in %s\n",
1472 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1473 /* Now peers are to be started */
1474 state = STATE_PEERS_STARTING;
1475 prof_start_time = GNUNET_TIME_absolute_get ();
1476 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1478 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1479 dll_op->op = GNUNET_TESTBED_peer_start (dll_op,
1480 peers[peer_cnt].peer_handle,
1481 &peer_churn_cb, dll_op);
1482 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1489 * Function called with a filename for each file in the policy directory. Create
1490 * a peer for each filename and update the peer's configuration to include the
1491 * max_path_compression specified as a command line argument as well as the
1492 * policy_file for this peer. The gnunet-service-regexprofiler service is
1493 * automatically started on this peer. The service reads the configurration and
1494 * announces the regexes stored in the policy file 'filename'.
1496 * @param cls closure
1497 * @param filename complete filename (absolute path)
1498 * @return GNUNET_OK to continue to iterate,
1499 * GNUNET_SYSERR to abort iteration with error!
1502 policy_filename_cb (void *cls, const char *filename)
1504 static unsigned int peer_cnt;
1505 struct DLLOperation *dll_op;
1506 struct RegexPeer *peer = &peers[peer_cnt];
1508 GNUNET_assert (NULL != peer);
1510 peer->policy_file = GNUNET_strdup (filename);
1512 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Creating peer %i on host %s for policy file %s\n",
1514 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
1517 /* Set configuration options specific for this peer
1518 (max_path_compression and policy_file */
1519 peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
1520 GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
1521 "MAX_PATH_COMPRESSION",
1522 (unsigned long long)max_path_compression);
1523 GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
1524 "POLICY_FILE", filename);
1526 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1527 dll_op->cls = &peers[peer_cnt];
1528 dll_op->op = GNUNET_TESTBED_peer_create (mc,
1533 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1542 * Controller event callback.
1545 * @param event the controller event
1548 controller_event_cb (void *cls,
1549 const struct GNUNET_TESTBED_EventInformation *event)
1551 struct DLLOperation *dll_op;
1552 struct GNUNET_TESTBED_Operation *op;
1557 case STATE_SLAVES_STARTING:
1558 switch (event->type)
1560 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1562 static unsigned int slaves_started;
1563 unsigned int peer_cnt;
1565 dll_op = event->details.operation_finished.op_cls;
1566 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1567 GNUNET_free (dll_op);
1568 op = event->details.operation_finished.operation;
1569 if (NULL != event->details.operation_finished.emsg)
1571 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1572 _("An operation has failed while starting slaves\n"));
1573 GNUNET_TESTBED_operation_done (op);
1574 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1575 GNUNET_SCHEDULER_cancel (abort_task);
1576 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1579 GNUNET_TESTBED_operation_done (op);
1580 /* Proceed to start peers */
1581 if (++slaves_started == num_hosts - 1)
1583 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1584 "All slaves started successfully\n");
1586 state = STATE_PEERS_CREATING;
1587 prof_start_time = GNUNET_TIME_absolute_get ();
1589 if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
1593 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1594 _("No files found in `%s'\n"),
1596 GNUNET_SCHEDULER_shutdown ();
1599 num_peers = (unsigned int) ret;
1600 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1602 /* Initialize peers */
1603 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1605 struct RegexPeer *peer = &peers[peer_cnt];
1606 peer->id = peer_cnt;
1607 peer->policy_file = NULL;
1608 /* Do not start peers on hosts[0] (master controller) */
1609 peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
1610 peer->dht_handle = NULL;
1611 peer->search_handle = NULL;
1612 peer->stats_handle = NULL;
1613 peer->stats_op_handle = NULL;
1614 peer->search_str = NULL;
1615 peer->search_str_matched = GNUNET_NO;
1618 GNUNET_DISK_directory_scan (policy_dir,
1619 &policy_filename_cb,
1628 case STATE_PEERS_STARTING:
1629 switch (event->type)
1631 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1632 /* Control reaches here when peer start fails */
1633 case GNUNET_TESTBED_ET_PEER_START:
1634 /* we handle peer starts in peer_churn_cb */
1640 case STATE_PEERS_LINKING:
1641 switch (event->type)
1643 static unsigned int established_links;
1644 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1645 /* Control reaches here when a peer linking operation fails */
1646 if (NULL != event->details.operation_finished.emsg)
1648 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1649 _("An operation has failed while linking\n"));
1650 printf ("F%u ", retry_links);
1654 /* We do no retries, consider this link as established */
1656 case GNUNET_TESTBED_ET_CONNECT:
1658 char output_buffer[512];
1661 if (0 == established_links)
1662 printf ("Establishing links .");
1668 if (++established_links == num_links)
1671 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1672 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1673 "%u links established in %s\n",
1675 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1676 prof_time = GNUNET_TIME_relative_divide(prof_time, num_links);
1677 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1678 "Average of %s per connection\n",
1679 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1681 GNUNET_free (peer_handles);
1683 if (NULL != data_file)
1686 GNUNET_snprintf (output_buffer,
1687 sizeof (output_buffer),
1688 "# of peers: %u\n# of links established: %u\n"
1689 "Time to establish links: %s\nLinking failures: %u\n"
1690 "path compression length: %u\n# of search strings: %u\n",
1692 (established_links - cont_fails),
1693 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
1695 max_path_compression,
1696 num_search_strings);
1698 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
1699 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
1702 printf ("\nWaiting %s before starting to announce.\n",
1703 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_NO));
1706 state = STATE_SEARCH_REGEX;
1708 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
1709 &do_announce, NULL);
1717 case STATE_SEARCH_REGEX:
1719 /* Handled in service connect callback */
1725 case STATE_PEERS_CREATING:
1726 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
1729 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1730 "Unexpected controller_cb with state %i!\n", state);
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);
1748 * Callback which will be called to after a host registration succeeded or failed
1750 * @param cls the closure
1751 * @param emsg the error message; NULL if host registration is successful
1754 host_registration_completion (void *cls, const char *emsg)
1759 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1760 _("Host registration failed for a host. Error: %s\n"), emsg);
1761 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1762 GNUNET_SCHEDULER_cancel (abort_task);
1763 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1766 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1771 * Task to register all hosts available in the global host list.
1774 * @param tc the scheduler task context
1777 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1779 struct DLLOperation *dll_op;
1780 static unsigned int reg_host;
1783 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1784 if (reg_host == num_hosts - 1)
1786 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1787 "All hosts successfully registered\n");
1789 state = STATE_SLAVES_STARTING;
1790 for (slave = 1; slave < num_hosts; slave++)
1792 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1793 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1799 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1803 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1804 host_registration_completion,
1810 * Callback to signal successfull startup of the controller process.
1812 * @param cls the closure from GNUNET_TESTBED_controller_start()
1813 * @param config the configuration with which the controller has been started;
1814 * NULL if status is not GNUNET_OK
1815 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1816 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1819 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1821 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1822 GNUNET_SCHEDULER_cancel (abort_task);
1823 if (GNUNET_OK != status)
1826 printf("Oh, dear!\n");
1827 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1831 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1832 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1833 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1834 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1835 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1836 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1837 &controller_event_cb, NULL);
1840 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1841 _("Unable to connect to master controller -- Check config\n"));
1842 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1845 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1846 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1847 &do_abort, (void*) __LINE__);
1852 * Load search strings from given filename. One search string per line.
1854 * @param filename filename of the file containing the search strings.
1855 * @param strings set of strings loaded from file. Caller needs to free this
1856 * if number returned is greater than zero.
1857 * @param limit upper limit on the number of strings read from the file
1858 * @return number of strings found in the file. GNUNET_SYSERR on error.
1861 load_search_strings (const char *filename, char ***strings, unsigned int limit)
1866 unsigned int offset;
1870 if (NULL == filename)
1872 return GNUNET_SYSERR;
1875 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1877 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1878 "Could not find search strings file %s\n", filename);
1879 return GNUNET_SYSERR;
1881 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1885 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1886 return GNUNET_SYSERR;
1888 data = GNUNET_malloc (filesize);
1889 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1892 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1894 return GNUNET_SYSERR;
1899 while (offset < (filesize - 1) && str_cnt < limit)
1902 if (((data[offset] == '\n')) && (buf != &data[offset]))
1904 data[offset] = '\0';
1906 buf = &data[offset + 1];
1908 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1909 buf = &data[offset + 1];
1911 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1913 for (i = 0; i < str_cnt; i++)
1915 GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
1916 offset += strlen (&data[offset]) + 1;
1924 * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
1925 * inform whether the given host is habitable or not. The Handle returned by
1926 * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
1929 * @param host the host whose status is being reported; will be NULL if the host
1930 * given to GNUNET_TESTBED_is_host_habitable() is NULL
1931 * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
1934 host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
1936 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
1937 static unsigned int hosts_checked;
1940 if (GNUNET_NO == status)
1942 if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
1943 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
1944 GNUNET_TESTBED_host_get_hostname (host));
1946 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
1947 GNUNET_SCHEDULER_cancel (abort_task);
1948 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
1952 /* printf (_("\rChecked %u hosts"), hosts_checked); */
1953 /* fflush (stdout); */
1954 if (hosts_checked < num_hosts)
1956 /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
1957 GNUNET_free (hc_handles);
1960 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1970 * Main function that will be run by the scheduler.
1972 * @param cls closure
1973 * @param args remaining command-line arguments
1974 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1975 * @param config configuration
1978 run (void *cls, char *const *args, const char *cfgfile,
1979 const struct GNUNET_CONFIGURATION_Handle *config)
1982 unsigned int nsearchstrs;
1984 if (NULL == args[0])
1986 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1989 if (NULL == args[1])
1991 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1994 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], config, &hosts);
1997 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
2000 printf (_("Checking whether given hosts can start testbed. Please wait\n"));
2001 hc_handles = GNUNET_malloc (sizeof (struct
2002 GNUNET_TESTBED_HostHabitableCheckHandle *)
2004 for (nhost = 0; nhost < num_hosts; nhost++)
2006 hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
2008 &hc_handles[nhost]);
2009 if (NULL == hc_handles[nhost])
2014 for (i = 0; i <= nhost; i++)
2015 if (NULL != hc_handles[i])
2016 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[i]);
2017 GNUNET_free (hc_handles);
2022 if (num_hosts != nhost)
2024 fprintf (stderr, _("Exiting\n"));
2025 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2030 fprintf (stderr, _("No configuration file given. Exiting\n"));
2031 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2036 GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
2039 fprintf (stderr, _("Configuration option (regex_prefix) missing. Exiting\n"));
2040 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2044 if ( (NULL != data_filename) &&
2045 (NULL == (data_file =
2046 GNUNET_DISK_file_open (data_filename,
2047 GNUNET_DISK_OPEN_READWRITE |
2048 GNUNET_DISK_OPEN_TRUNCATE |
2049 GNUNET_DISK_OPEN_CREATE,
2050 GNUNET_DISK_PERM_USER_READ |
2051 GNUNET_DISK_PERM_USER_WRITE))) )
2052 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
2055 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
2057 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
2058 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2061 policy_dir = args[1];
2062 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
2064 fprintf (stderr, _("No search strings file given. Exiting.\n"));
2065 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2068 nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
2069 if (num_search_strings != nsearchstrs)
2071 num_search_strings = nsearchstrs;
2072 fprintf (stderr, _("Error loading search strings. Given file does not contain enough strings. Exiting.\n"));
2073 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2076 if (0 >= num_search_strings || NULL == search_strings)
2078 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
2079 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
2083 for (i = 0; i < num_search_strings; i++)
2084 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
2085 cfg = GNUNET_CONFIGURATION_dup (config);
2087 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
2088 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
2096 * @param argc argument count
2097 * @param argv argument values
2098 * @return 0 on success
2101 main (int argc, char *const *argv)
2103 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
2104 {'d', "details", "FILENAME",
2105 gettext_noop ("name of the file for writing statistics"),
2106 1, &GNUNET_GETOPT_set_string, &data_filename},
2107 {'n', "num-links", "COUNT",
2108 gettext_noop ("create COUNT number of random links between peers"),
2109 GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
2110 {'t', "matching-timeout", "TIMEOUT",
2111 gettext_noop ("wait TIMEOUT before considering a string match as failed"),
2112 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
2113 {'s', "search-delay", "DELAY",
2114 gettext_noop ("wait DELAY before starting string search"),
2115 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
2116 {'a', "num-search-strings", "COUNT",
2117 gettext_noop ("number of search strings to read from search strings file"),
2118 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
2119 {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
2120 gettext_noop ("maximum path compression length"),
2121 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
2122 GNUNET_GETOPT_OPTION_END
2126 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
2129 result = GNUNET_SYSERR;
2131 GNUNET_PROGRAM_run (argc, argv,
2132 "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
2133 _("Profiler for regex"),
2134 options, &run, NULL);
2136 if (GNUNET_OK != ret)
2138 if (GNUNET_OK != result)