2 This file is part of GNUnet.
3 (C) 2011, 2012 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
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file mesh/gnunet-regex-profiler.c
23 * @brief Regex profiler for testing distributed regex use.
32 #include "gnunet_applications.h"
33 #include "gnunet_util_lib.h"
34 #include "gnunet_mesh_service.h"
35 #include "gnunet_stream_lib.h"
36 #include "gnunet_testbed_service.h"
44 * The testbed operation handle
46 struct GNUNET_TESTBED_Operation *op;
54 * The next pointer for DLL
56 struct DLLOperation *next;
59 * The prev pointer for DLL
61 struct DLLOperation *prev;
66 * Available states during profiling
78 STATE_SLAVES_STARTING,
96 * Matching strings against announced regexes
101 * Destroying peers; we can do this as the controller takes care of stopping a
102 * peer if it is running
104 STATE_PEERS_DESTROYING
119 * Peer configuration handle.
121 struct GNUNET_CONFIGURATION_Handle *cfg;
124 * The actual testbed peer handle.
126 struct GNUNET_TESTBED_Peer *peer_handle;
129 * Host on which the peer is running.
131 struct GNUNET_TESTBED_Host *host_handle;
134 * Filename of the peer's policy file.
139 * Peers search string.
141 const char *search_str;
144 * Set to GNUNET_YES if the peer successfully matched the above
145 * search string. GNUNET_NO if the string could not be matched
146 * during the profiler run. GNUNET_SYSERR if the string matching
147 * timed out. Undefined if search_str is NULL
149 int search_str_matched;
152 * Peer's mesh handle.
154 struct GNUNET_MESH_Handle *mesh_handle;
157 * Peer's mesh tunnel handle.
159 struct GNUNET_MESH_Tunnel *mesh_tunnel_handle;
162 * Testbed operation handle for the mesh service.
164 struct GNUNET_TESTBED_Operation *mesh_op_handle;
167 * Peers's statistics handle.
169 struct GNUNET_STATISTICS_Handle *stats_handle;
172 * Testbed operation handle for the statistics service.
174 struct GNUNET_TESTBED_Operation *stats_op_handle;
177 * The starting time of a profiling step.
179 struct GNUNET_TIME_Absolute prof_start_time;
184 * An array of hosts loaded from the hostkeys file
186 static struct GNUNET_TESTBED_Host **hosts;
189 * Array of peer handles used to pass to
190 * GNUNET_TESTBED_overlay_configure_topology
192 static struct GNUNET_TESTBED_Peer **peer_handles;
195 * The array of peers; we fill this as the peers are given to us by the testbed
197 static struct RegexPeer *peers;
200 * Host registration handle
202 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
205 * Handle to the master controller process
207 static struct GNUNET_TESTBED_ControllerProc *mc_proc;
210 * Handle to the master controller
212 static struct GNUNET_TESTBED_Controller *mc;
215 * Handle to global configuration
217 static struct GNUNET_CONFIGURATION_Handle *cfg;
220 * Head of the operations list
222 static struct DLLOperation *dll_op_head;
225 * Tail of the operations list
227 static struct DLLOperation *dll_op_tail;
230 * Peer linking - topology operation
232 static struct GNUNET_TESTBED_Operation *topology_op;
235 * The handle for whether a host is habitable or not
237 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
240 * Abort task identifier
242 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
245 * Shutdown task identifier
247 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
250 * Host registration task identifier
252 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
255 * Global event mask for all testbed events
257 static uint64_t event_mask;
260 * The starting time of a profiling step
262 static struct GNUNET_TIME_Absolute prof_start_time;
265 * Duration profiling step has taken
267 static struct GNUNET_TIME_Relative prof_time;
270 * Number of peers to be started by the profiler
272 static unsigned int num_peers;
275 * Number of hosts in the hosts array
277 static unsigned int num_hosts;
280 * Factor of number of links. num_links = num_peers * linking_factor.
282 static unsigned int linking_factor;
285 * Number of random links to be established between peers
287 static unsigned int num_links;
290 * Number of times we try overlay connect operations
292 static unsigned int retry_links;
295 * Continuous failures during overlay connect operations
297 static unsigned int cont_fails;
300 * Global testing status
305 * current state of profiling
310 * Folder where policy files are stored.
312 static char * policy_dir;
317 static char **search_strings;
320 * Number of search strings.
322 static int num_search_strings;
325 * Number of peers found with search strings.
327 static unsigned int peers_found;
330 * Search task identifier
332 static GNUNET_SCHEDULER_TaskIdentifier search_task;
335 * Search timeout task identifier.
337 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
340 * Search timeout in seconds.
342 static struct GNUNET_TIME_Relative search_timeout = { 60000 };
345 * How long do we wait before starting the search?
348 static struct GNUNET_TIME_Relative search_delay = { 60000 };
351 * File to log statistics to.
353 static struct GNUNET_DISK_FileHandle *data_file;
356 * Filename to log statistics to.
358 static char *data_filename;
361 * Maximal path compression length.
363 static unsigned int max_path_compression;
366 * If we should distribute the search evenly throught all peers (each
367 * peer searches for a string) or if only one peer should search for
370 static int no_distributed_search;
373 * Prefix used for regex announcing. We need to prefix the search
374 * strings with it, in order to find something.
376 static char * regex_prefix;
379 /******************************************************************************/
380 /****************************** DECLARATIONS ********************************/
381 /******************************************************************************/
385 * Method called whenever a peer has connected to the tunnel.
388 * @param peer_id peer identity the tunnel was created to, NULL on timeout
389 * @param atsi performance data for the connection
393 mesh_peer_connect_handler (void *cls,
394 const struct GNUNET_PeerIdentity* peer_id,
395 const struct GNUNET_ATS_Information * atsi);
399 * Method called whenever a peer has disconnected from the tunnel.
400 * Implementations of this callback must NOT call
401 * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
402 * to run in some other task later. However, calling
403 * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
406 * @param peer_id peer identity the tunnel stopped working with
409 mesh_peer_disconnect_handler (void *cls,
410 const struct GNUNET_PeerIdentity * peer_id);
413 * Mesh connect callback.
415 * @param cls internal peer id.
416 * @param op operation handle.
417 * @param ca_result connect adapter result.
418 * @param emsg error message.
421 mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
422 void *ca_result, const char *emsg);
425 * Mesh connect adapter.
427 * @param cls not used.
428 * @param cfg configuration handle.
433 mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
437 * Adapter function called to destroy a connection to
441 * @param op_result service handle returned from the connect adapter
444 mesh_da (void *cls, void *op_result);
448 * Function called by testbed once we are connected to stats
449 * service. Get the statistics for the services of interest.
451 * @param cls the 'struct RegexPeer' for which we connected to stats
452 * @param op connect operation handle
453 * @param ca_result handle to stats service
454 * @param emsg error message on failure
457 stats_connect_cb (void *cls,
458 struct GNUNET_TESTBED_Operation *op,
464 * Task to collect all statistics from all peers, will shutdown the
465 * profiler, when done.
468 * @param tc the task context
471 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
474 /******************************************************************************/
475 /******************************** SHUTDOWN **********************************/
476 /******************************************************************************/
483 * @param tc the task context
486 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
488 struct DLLOperation *dll_op;
489 struct RegexPeer *peer;
491 unsigned int peer_cnt;
492 unsigned int search_str_cnt;
493 char output_buffer[512];
496 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
497 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
498 GNUNET_SCHEDULER_cancel (abort_task);
499 if (NULL != hc_handles)
501 for (nhost = 0; nhost < num_hosts; nhost++)
502 if (NULL != hc_handles[nhost])
503 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
504 GNUNET_free (hc_handles);
507 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
508 GNUNET_SCHEDULER_cancel (register_hosts_task);
510 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
512 peer = &peers[peer_cnt];
514 if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
516 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
518 GNUNET_snprintf (output_buffer,
519 sizeof (output_buffer),
520 "%p Search string not found: %s (%d)\n%p On peer: %u (%p)\n%p With policy file: %s\n%p After: %s\n",
523 peer->search_str_matched,
530 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
531 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
532 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
535 if (NULL != peers[peer_cnt].mesh_op_handle)
536 GNUNET_TESTBED_operation_done (peers[peer_cnt].mesh_op_handle);
537 if (NULL != peers[peer_cnt].stats_op_handle)
538 GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
541 if (NULL != data_file)
542 GNUNET_DISK_file_close (data_file);
544 for (search_str_cnt = 0;
545 search_str_cnt < num_search_strings && NULL != search_strings;
548 GNUNET_free_non_null (search_strings[search_str_cnt]);
550 GNUNET_free_non_null (search_strings);
552 if (NULL != reg_handle)
553 GNUNET_TESTBED_cancel_registration (reg_handle);
554 if (NULL != topology_op)
555 GNUNET_TESTBED_operation_done (topology_op);
556 for (nhost = 0; nhost < num_hosts; nhost++)
557 if (NULL != hosts[nhost])
558 GNUNET_TESTBED_host_destroy (hosts[nhost]);
559 GNUNET_free_non_null (hosts);
561 while (NULL != (dll_op = dll_op_head))
563 GNUNET_TESTBED_operation_done (dll_op->op);
564 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
565 GNUNET_free (dll_op);
568 GNUNET_TESTBED_controller_disconnect (mc);
570 GNUNET_TESTBED_controller_stop (mc_proc);
572 GNUNET_CONFIGURATION_destroy (cfg);
574 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
579 * abort task to run on test timed out
582 * @param tc the task context
585 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
587 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting...\n");
588 abort_task = GNUNET_SCHEDULER_NO_TASK;
589 result = GNUNET_SYSERR;
590 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
591 GNUNET_SCHEDULER_cancel (shutdown_task);
592 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
596 /******************************************************************************/
597 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
598 /******************************************************************************/
601 * Adapter function called to establish a connection to
602 * statistics service.
605 * @param cfg configuration of the peer to connect to; will be available until
606 * GNUNET_TESTBED_operation_done() is called on the operation returned
607 * from GNUNET_TESTBED_service_connect()
608 * @return service handle to return in 'op_result', NULL on error
611 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
613 return GNUNET_STATISTICS_create ("<driver>", cfg);
618 * Adapter function called to destroy a connection to
619 * statistics service.
622 * @param op_result service handle returned from the connect adapter
625 stats_da (void *cls, void *op_result)
627 struct RegexPeer *peer = cls;
629 GNUNET_assert (op_result == peer->stats_handle);
631 GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
632 peer->stats_handle = NULL;
637 * Process statistic values. Write all values to global 'data_file', if present.
640 * @param subsystem name of subsystem that created the statistic
641 * @param name the name of the datum
642 * @param value the current value
643 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
644 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
647 stats_iterator (void *cls, const char *subsystem, const char *name,
648 uint64_t value, int is_persistent)
650 struct RegexPeer *peer = cls;
651 char output_buffer[512];
654 if (NULL == data_file)
656 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
657 "%p -> %s [%s]: %llu\n",
658 peer, subsystem, name, value);
662 GNUNET_snprintf (output_buffer,
663 sizeof (output_buffer),
666 subsystem, value, name);
667 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
668 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
675 * Stats callback. Finish the stats testbed operation and when all stats have
676 * been iterated, shutdown the profiler.
679 * @param success GNUNET_OK if statistics were
680 * successfully obtained, GNUNET_SYSERR if not.
686 static unsigned int peer_cnt;
687 struct RegexPeer *peer = cls;
689 if (GNUNET_OK != success)
691 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
692 "Getting statistics for peer %u failed!\n",
697 GNUNET_assert (NULL != peer->stats_op_handle);
699 GNUNET_TESTBED_operation_done (peer->stats_op_handle);
700 peer->stats_op_handle = NULL;
703 peer = &peers[peer_cnt];
705 if (peer_cnt == num_peers)
707 struct GNUNET_TIME_Relative delay = { 100 };
708 shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
712 peer->stats_op_handle =
713 GNUNET_TESTBED_service_connect (NULL,
726 * Function called by testbed once we are connected to stats
727 * service. Get the statistics for the services of interest.
729 * @param cls the 'struct RegexPeer' for which we connected to stats
730 * @param op connect operation handle
731 * @param ca_result handle to stats service
732 * @param emsg error message on failure
735 stats_connect_cb (void *cls,
736 struct GNUNET_TESTBED_Operation *op,
740 struct RegexPeer *peer = cls;
742 if (NULL == ca_result || NULL != emsg)
744 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
745 "Failed to connect to statistics service on peer %u: %s\n",
748 peer->stats_handle = NULL;
752 peer->stats_handle = ca_result;
754 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
755 GNUNET_TIME_UNIT_FOREVER_REL,
757 &stats_iterator, peer))
759 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
760 "Could not get statistics of peer %u!\n", peer->id);
766 * Task to collect all statistics from all peers, will shutdown the
767 * profiler, when done.
770 * @param tc the task context
773 do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
775 struct RegexPeer *peer = &peers[0];
777 GNUNET_assert (NULL != peer->peer_handle);
779 peer->stats_op_handle =
780 GNUNET_TESTBED_service_connect (NULL,
791 /******************************************************************************/
792 /************************ MESH SERVICE CONNECTIONS **************************/
793 /******************************************************************************/
796 * Method called whenever a peer has disconnected from the tunnel.
797 * Implementations of this callback must NOT call
798 * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
799 * to run in some other task later. However, calling
800 * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
803 * @param peer_id peer identity the tunnel stopped working with
806 mesh_peer_disconnect_handler (void *cls,
807 const struct GNUNET_PeerIdentity * peer_id)
809 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh peer disconnect handler.\n");
814 * Method called when the mesh connection succeeded (or timed out), which means
815 * we've found a peer that announced a regex that matches our search string. Now
816 * get the statistics.
819 * @param peer_id peer identity the tunnel was created to, NULL on timeout
820 * @param atsi performance data for the connection
824 mesh_peer_connect_handler (void *cls,
825 const struct GNUNET_PeerIdentity* peer_id,
826 const struct GNUNET_ATS_Information * atsi)
828 struct RegexPeer *peer = cls;
829 char output_buffer[512];
832 if (GNUNET_YES == peer->search_str_matched)
834 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
835 "String %s on peer %u already matched!\n",
836 peer->search_str, peer->id);
844 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
845 "String matching timed out for string %s on peer %u (%i/%i)\n",
846 peer->search_str, peer->id, peers_found, num_search_strings);
848 printf ("String matching timed out for string %s on peer %u (%i/%i)\n",
849 peer->search_str, peer->id, peers_found, num_search_strings);
851 peer->search_str_matched = GNUNET_SYSERR;
855 prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
856 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
857 "String %s successfully matched on peer %u after %s (%i/%i)\n",
858 peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
859 peers_found, num_search_strings);
861 printf ("String %s successfully matched on peer %u after %s (%i/%i)\n",
862 peer->search_str, peer->id, GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
863 peers_found, num_search_strings);
866 peer->search_str_matched = GNUNET_YES;
868 if (NULL != data_file)
871 GNUNET_snprintf (output_buffer,
872 sizeof (output_buffer),
873 "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n%p Search string: %s\n%p Search duration: %s\n\n",
877 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
883 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
885 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
886 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
890 GNUNET_TESTBED_operation_done (peer->mesh_op_handle);
891 peer->mesh_op_handle = NULL;
893 if (peers_found == num_search_strings)
895 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
896 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
897 "All strings successfully matched in %s\n",
898 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
899 printf ("All strings successfully matched.\n");
902 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
903 GNUNET_SCHEDULER_cancel (search_timeout_task);
905 printf ("Collecting stats and shutting down.\n");
906 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
912 * Connect by string timeout task. This will cancel the profiler after the
913 * specified timeout 'search_timeout'.
916 * @param tc the task context
919 do_connect_by_string_timeout (void *cls,
920 const struct GNUNET_SCHEDULER_TaskContext * tc)
922 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
923 "Finding matches to all strings did not succeed after %s.\n",
924 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
925 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
926 "Found %i of %i strings\n", peers_found, num_search_strings);
928 printf ("Search timed out after %s. Collecting stats and shutting down.\n",
929 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
932 GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
937 * Connect by string task that is run to search for a string in the
938 * NFA. It first connects to the mesh service and when a connection is
939 * established it starts to search for the string.
942 * @param tc the task context
945 do_connect_by_string (void *cls,
946 const struct GNUNET_SCHEDULER_TaskContext * tc)
948 printf ("Starting string search.\n");
951 peers[0].search_str = search_strings[0];
952 peers[0].search_str_matched = GNUNET_NO;
954 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
955 "Searching for string \"%s\" on peer %d with file %s\n",
956 peers[0].search_str, 0, peers[0].policy_file);
958 /* First connect to mesh service, then search for string. Next
959 connect will be in mesh_connect_cb */
960 peers[0].mesh_op_handle =
961 GNUNET_TESTBED_service_connect (NULL,
962 peers[0].peer_handle,
970 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
971 &do_connect_by_string_timeout, NULL);
976 * Mesh connect callback. Called when we are connected to the mesh service for
977 * the peer in 'cls'. If successfull we connect to the stats service of this
978 * peer and then try to match the search string of this peer.
980 * @param cls internal peer id.
981 * @param op operation handle.
982 * @param ca_result connect adapter result.
983 * @param emsg error message.
986 mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
987 void *ca_result, const char *emsg)
989 struct RegexPeer *peer = (struct RegexPeer *) cls;
990 static unsigned int peer_cnt;
993 if (NULL != emsg || NULL == op || NULL == ca_result)
995 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Mesh connect failed: %s\n", emsg);
999 GNUNET_assert (NULL != peer->mesh_handle);
1000 GNUNET_assert (peer->mesh_op_handle == op);
1001 GNUNET_assert (peer->mesh_handle == ca_result);
1003 peer->mesh_tunnel_handle =
1004 GNUNET_MESH_tunnel_create (peer->mesh_handle,
1006 &mesh_peer_connect_handler,
1007 &mesh_peer_disconnect_handler,
1010 peer->prof_start_time = GNUNET_TIME_absolute_get ();
1012 peer->search_str_matched = GNUNET_NO;
1013 GNUNET_MESH_peer_request_connect_by_string (peer->mesh_tunnel_handle,
1016 if (peer_cnt < (num_search_strings - 1))
1018 if (GNUNET_YES == no_distributed_search)
1021 next_p = (++peer_cnt % num_peers);
1023 peers[next_p].search_str = search_strings[next_p];
1024 peers[next_p].search_str_matched = GNUNET_NO;
1026 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1027 "Searching for string \"%s\" on peer %d with file %s\n",
1028 peers[next_p].search_str, next_p, peers[next_p].policy_file);
1030 peers[next_p].mesh_op_handle =
1031 GNUNET_TESTBED_service_connect (NULL,
1032 peers[next_p].peer_handle,
1044 * Mesh connect adapter. Opens a connection to the mesh service.
1046 * @param cls not used.
1047 * @param cfg configuration handle.
1052 mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
1054 GNUNET_MESH_ApplicationType app;
1055 struct RegexPeer *peer = cls;
1057 static struct GNUNET_MESH_MessageHandler handlers[] = {
1061 app = (GNUNET_MESH_ApplicationType)0;
1064 GNUNET_MESH_connect (cfg, peer, NULL, NULL, handlers, &app);
1066 return peer->mesh_handle;
1071 * Adapter function called to destroy a connection to
1074 * @param cls closure
1075 * @param op_result service handle returned from the connect adapter
1078 mesh_da (void *cls, void *op_result)
1080 struct RegexPeer *peer = (struct RegexPeer *) cls;
1082 GNUNET_assert (peer->mesh_handle == op_result);
1084 if (NULL != peer->mesh_tunnel_handle)
1086 GNUNET_MESH_tunnel_destroy (peer->mesh_tunnel_handle);
1087 peer->mesh_tunnel_handle = NULL;
1090 if (NULL != peer->mesh_handle)
1092 GNUNET_MESH_disconnect (peer->mesh_handle);
1093 peer->mesh_handle = NULL;
1098 /******************************************************************************/
1099 /*************************** TESTBED PEER SETUP *****************************/
1100 /******************************************************************************/
1104 * Configure the peer overlay topology.
1107 * @param tc the task context
1110 do_configure_topology (void *cls,
1111 const struct GNUNET_SCHEDULER_TaskContext * tc)
1114 if (0 == linking_factor)
1116 num_links = linking_factor * num_peers;
1118 /* num_links = num_peers - 1; */
1119 num_links = linking_factor;
1121 /* Do overlay connect */
1122 prof_start_time = GNUNET_TIME_absolute_get ();
1124 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
1126 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
1128 GNUNET_TESTBED_TOPOLOGY_DISABLE_AUTO_RETRY,
1129 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
1130 if (NULL == topology_op)
1132 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1133 "Cannot create topology, op handle was NULL\n");
1140 * Functions of this signature are called when a peer has been successfully
1141 * started or stopped.
1143 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
1144 * @param emsg NULL on success; otherwise an error description
1147 peer_churn_cb (void *cls, const char *emsg)
1149 struct DLLOperation *dll_op = cls;
1150 struct GNUNET_TESTBED_Operation *op;
1151 static unsigned int started_peers;
1152 unsigned int peer_cnt;
1155 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1156 GNUNET_free (dll_op);
1159 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1160 _("An operation has failed while starting peers\n"));
1161 GNUNET_TESTBED_operation_done (op);
1162 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1163 GNUNET_SCHEDULER_cancel (abort_task);
1164 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1167 GNUNET_TESTBED_operation_done (op);
1168 if (++started_peers == num_peers)
1170 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1171 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1172 "All peers started successfully in %s\n",
1173 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1176 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
1177 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1178 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
1180 state = STATE_PEERS_LINKING;
1181 GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
1187 * Functions of this signature are called when a peer has been successfully
1190 * @param cls the closure from GNUNET_TESTBED_peer_create()
1191 * @param peer the handle for the created peer; NULL on any error during
1193 * @param emsg NULL if peer is not NULL; else MAY contain the error description
1196 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
1198 struct DLLOperation *dll_op = cls;
1199 struct RegexPeer *peer_ptr;
1200 static unsigned int created_peers;
1201 unsigned int peer_cnt;
1205 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1206 _("Creating a peer failed. Error: %s\n"), emsg);
1207 GNUNET_TESTBED_operation_done (dll_op->op);
1208 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1209 GNUNET_free (dll_op);
1210 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1211 GNUNET_SCHEDULER_cancel (abort_task);
1212 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1216 peer_ptr = dll_op->cls;
1217 GNUNET_assert (NULL == peer_ptr->peer_handle);
1218 GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
1219 peer_ptr->cfg = NULL;
1220 peer_ptr->peer_handle = peer;
1221 GNUNET_TESTBED_operation_done (dll_op->op);
1222 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1223 GNUNET_free (dll_op);
1225 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
1227 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
1229 if (++created_peers == num_peers)
1231 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1232 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1233 "All peers created successfully in %s\n",
1234 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1235 /* Now peers are to be started */
1236 state = STATE_PEERS_STARTING;
1237 prof_start_time = GNUNET_TIME_absolute_get ();
1238 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1240 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1241 dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
1242 &peer_churn_cb, dll_op);
1243 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1250 * Function called with a filename for each file in the policy directory. Create
1251 * a peer for each filename and update the peer's configuration to include the
1252 * max_path_compression specified as a command line argument as well as the
1253 * policy_file for this peer. The gnunet-service-regexprofiler service is
1254 * automatically started on this peer. The service reads the configurration and
1255 * announces the regexes stored in the policy file 'filename'.
1257 * @param cls closure
1258 * @param filename complete filename (absolute path)
1259 * @return GNUNET_OK to continue to iterate,
1260 * GNUNET_SYSERR to abort iteration with error!
1263 policy_filename_cb (void *cls, const char *filename)
1265 static unsigned int peer_cnt;
1266 struct DLLOperation *dll_op;
1267 struct RegexPeer *peer = &peers[peer_cnt];
1269 GNUNET_assert (NULL != peer);
1271 peer->policy_file = GNUNET_strdup (filename);
1273 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Creating peer %i on host %s for policy file %s\n",
1275 GNUNET_TESTBED_host_get_hostname (peer->host_handle),
1278 /* Set configuration options specific for this peer
1279 (max_path_compression and policy_file */
1280 peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
1281 GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
1282 "MAX_PATH_COMPRESSION",
1283 (unsigned long long)max_path_compression);
1284 GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
1285 "POLICY_FILE", filename);
1287 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1288 dll_op->cls = &peers[peer_cnt];
1289 dll_op->op = GNUNET_TESTBED_peer_create (mc,
1294 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1303 * Controller event callback.
1306 * @param event the controller event
1309 controller_event_cb (void *cls,
1310 const struct GNUNET_TESTBED_EventInformation *event)
1312 struct DLLOperation *dll_op;
1313 struct GNUNET_TESTBED_Operation *op;
1318 case STATE_SLAVES_STARTING:
1319 switch (event->type)
1321 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1323 static unsigned int slaves_started;
1324 unsigned int peer_cnt;
1326 dll_op = event->details.operation_finished.op_cls;
1327 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1328 GNUNET_free (dll_op);
1329 op = event->details.operation_finished.operation;
1330 if (NULL != event->details.operation_finished.emsg)
1332 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1333 _("An operation has failed while starting slaves\n"));
1334 GNUNET_TESTBED_operation_done (op);
1335 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1336 GNUNET_SCHEDULER_cancel (abort_task);
1337 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1340 GNUNET_TESTBED_operation_done (op);
1341 /* Proceed to start peers */
1342 if (++slaves_started == num_hosts - 1)
1344 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1345 "All slaves started successfully\n");
1347 state = STATE_PEERS_CREATING;
1348 prof_start_time = GNUNET_TIME_absolute_get ();
1350 if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
1354 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1355 _("No files found in `%s'\n"),
1357 GNUNET_SCHEDULER_shutdown ();
1360 num_peers = (unsigned int) ret;
1361 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1363 /* Initialize peers */
1364 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1366 struct RegexPeer *peer = &peers[peer_cnt];
1367 peer->id = peer_cnt;
1368 peer->policy_file = NULL;
1369 /* Do not start peers on hosts[0] (master controller) */
1370 peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
1371 peer->mesh_handle = NULL;
1372 peer->mesh_tunnel_handle = NULL;
1373 peer->stats_handle = NULL;
1374 peer->stats_op_handle = NULL;
1375 peer->search_str = NULL;
1376 peer->search_str_matched = GNUNET_NO;
1379 GNUNET_DISK_directory_scan (policy_dir,
1380 &policy_filename_cb,
1389 case STATE_PEERS_STARTING:
1390 switch (event->type)
1392 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1393 /* Control reaches here when peer start fails */
1394 case GNUNET_TESTBED_ET_PEER_START:
1395 /* we handle peer starts in peer_churn_cb */
1401 case STATE_PEERS_LINKING:
1402 switch (event->type)
1404 static unsigned int established_links;
1405 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1406 /* Control reaches here when a peer linking operation fails */
1407 if (NULL != event->details.operation_finished.emsg)
1409 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1410 _("An operation has failed while linking\n"));
1415 /* We do no retries, consider this link as established */
1417 case GNUNET_TESTBED_ET_CONNECT:
1419 char output_buffer[512];
1422 if (0 == established_links)
1423 printf ("Establishing links .");
1429 if (++established_links == num_links)
1432 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1433 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1434 "%u links established in %s\n",
1436 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
1438 GNUNET_free (peer_handles);
1440 if (NULL != data_file)
1443 GNUNET_snprintf (output_buffer,
1444 sizeof (output_buffer),
1445 "# of peers: %u\n# of links established: %u\n"
1446 "Time to establish links: %s\nLinking failures: %u\n"
1447 "path compression length: %u\n# of search strings: %u\n",
1449 (established_links - cont_fails),
1450 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
1452 max_path_compression,
1453 num_search_strings);
1455 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
1456 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
1459 printf ("\nWaiting %s before starting to search.\n",
1460 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
1463 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1464 "Waiting %s before starting to search.\n",
1465 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_NO));
1467 state = STATE_SEARCH_REGEX;
1469 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
1470 &do_connect_by_string, NULL);
1478 case STATE_SEARCH_REGEX:
1480 /* Handled in service connect callback */
1486 case STATE_PEERS_CREATING:
1487 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
1490 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1491 "Unexpected controller_cb with state %i!\n", state);
1499 * Task to register all hosts available in the global host list.
1502 * @param tc the scheduler task context
1505 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1509 * Callback which will be called to after a host registration succeeded or failed
1511 * @param cls the closure
1512 * @param emsg the error message; NULL if host registration is successful
1515 host_registration_completion (void *cls, const char *emsg)
1520 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1521 _("Host registration failed for a host. Error: %s\n"), emsg);
1522 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1523 GNUNET_SCHEDULER_cancel (abort_task);
1524 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1527 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1532 * Task to register all hosts available in the global host list.
1535 * @param tc the scheduler task context
1538 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1540 struct DLLOperation *dll_op;
1541 static unsigned int reg_host;
1544 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1545 if (reg_host == num_hosts - 1)
1547 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1548 "All hosts successfully registered\n");
1550 state = STATE_SLAVES_STARTING;
1551 for (slave = 1; slave < num_hosts; slave++)
1553 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1554 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1560 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1564 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1565 host_registration_completion,
1571 * Callback to signal successfull startup of the controller process.
1573 * @param cls the closure from GNUNET_TESTBED_controller_start()
1574 * @param config the configuration with which the controller has been started;
1575 * NULL if status is not GNUNET_OK
1576 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1577 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1580 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1582 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1583 GNUNET_SCHEDULER_cancel (abort_task);
1584 if (GNUNET_OK != status)
1587 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1591 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1592 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1593 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1594 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1595 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1596 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1597 &controller_event_cb, NULL);
1600 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1601 _("Unable to connect to master controller -- Check config\n"));
1602 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1605 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1606 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1612 * Load search strings from given filename. One search string per line.
1614 * @param filename filename of the file containing the search strings.
1615 * @param strings set of strings loaded from file. Caller needs to free this
1616 * if number returned is greater than zero.
1617 * @param limit upper limit on the number of strings read from the file
1618 * @return number of strings found in the file. GNUNET_SYSERR on error.
1621 load_search_strings (const char *filename, char ***strings, unsigned int limit)
1626 unsigned int offset;
1630 if (NULL == filename)
1632 return GNUNET_SYSERR;
1635 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1637 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1638 "Could not find search strings file %s\n", filename);
1639 return GNUNET_SYSERR;
1641 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1645 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1646 return GNUNET_SYSERR;
1648 data = GNUNET_malloc (filesize);
1649 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1652 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1654 return GNUNET_SYSERR;
1659 while (offset < (filesize - 1) && str_cnt < limit)
1662 if (((data[offset] == '\n')) && (buf != &data[offset]))
1664 data[offset] = '\0';
1666 buf = &data[offset + 1];
1668 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1669 buf = &data[offset + 1];
1671 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1673 for (i = 0; i < str_cnt; i++)
1675 GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
1676 offset += strlen (&data[offset]) + 1;
1684 * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
1685 * inform whether the given host is habitable or not. The Handle returned by
1686 * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
1689 * @param host the host whose status is being reported; will be NULL if the host
1690 * given to GNUNET_TESTBED_is_host_habitable() is NULL
1691 * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
1694 host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
1696 struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
1697 static unsigned int hosts_checked;
1700 if (GNUNET_NO == status)
1702 if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
1703 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
1704 GNUNET_TESTBED_host_get_hostname (host));
1706 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
1707 GNUNET_SCHEDULER_cancel (abort_task);
1708 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1712 /* printf (_("\rChecked %u hosts"), hosts_checked); */
1713 /* fflush (stdout); */
1714 if (hosts_checked < num_hosts)
1716 /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
1717 GNUNET_free (hc_handles);
1720 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1730 * Main function that will be run by the scheduler.
1732 * @param cls closure
1733 * @param args remaining command-line arguments
1734 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1735 * @param config configuration
1738 run (void *cls, char *const *args, const char *cfgfile,
1739 const struct GNUNET_CONFIGURATION_Handle *config)
1742 unsigned int nsearchstrs;
1744 if (NULL == args[0])
1746 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1749 if (NULL == args[1])
1751 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1754 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
1757 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
1760 printf (_("Checking whether given hosts can start testbed. Please wait\n"));
1761 hc_handles = GNUNET_malloc (sizeof (struct
1762 GNUNET_TESTBED_HostHabitableCheckHandle *)
1764 for (nhost = 0; nhost < num_hosts; nhost++)
1766 if (NULL == (hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
1768 &hc_handles[nhost])))
1771 for (nhost = 0; nhost < num_hosts; nhost++)
1772 if (NULL != hc_handles[nhost])
1773 GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
1774 GNUNET_free (hc_handles);
1779 if (num_hosts != nhost)
1781 fprintf (stderr, _("Exiting\n"));
1782 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1787 fprintf (stderr, _("No configuration file given. Exiting\n"));
1788 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1793 GNUNET_CONFIGURATION_get_value_string (config, "REGEXPROFILER", "REGEX_PREFIX",
1796 fprintf (stderr, _("Configuration option (regex_prefix) missing. Exiting\n"));
1797 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1801 if ( (NULL != data_filename) &&
1802 (NULL == (data_file =
1803 GNUNET_DISK_file_open (data_filename,
1804 GNUNET_DISK_OPEN_READWRITE |
1805 GNUNET_DISK_OPEN_TRUNCATE |
1806 GNUNET_DISK_OPEN_CREATE,
1807 GNUNET_DISK_PERM_USER_READ |
1808 GNUNET_DISK_PERM_USER_WRITE))) )
1809 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
1812 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], GNUNET_YES))
1814 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
1815 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1818 policy_dir = args[1];
1819 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
1821 fprintf (stderr, _("No search strings file given. Exiting.\n"));
1822 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1825 nsearchstrs = load_search_strings (args[2], &search_strings, num_search_strings);
1826 if (num_search_strings != nsearchstrs)
1828 num_search_strings = nsearchstrs;
1829 fprintf (stderr, _("Error loading search strings. Given file does not contain enough strings. Exiting.\n"));
1830 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1833 if (0 >= num_search_strings || NULL == search_strings)
1835 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
1836 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1840 for (i = 0; i < num_search_strings; i++)
1841 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
1842 cfg = GNUNET_CONFIGURATION_dup (config);
1844 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1845 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
1853 * @param argc argument count
1854 * @param argv argument values
1855 * @return 0 on success
1858 main (int argc, char *const *argv)
1860 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1861 {'d', "details", "FILENAME",
1862 gettext_noop ("name of the file for writing statistics"),
1863 1, &GNUNET_GETOPT_set_string, &data_filename},
1864 {'n', "num-links", "COUNT",
1865 gettext_noop ("create COUNT number of random links between peers"),
1866 GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
1867 {'t', "matching-timeout", "TIMEOUT",
1868 gettext_noop ("wait TIMEOUT before considering a string match as failed"),
1869 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
1870 {'s', "search-delay", "DELAY",
1871 gettext_noop ("wait DELAY before starting string search"),
1872 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
1873 {'a', "num-search-strings", "COUNT",
1874 gettext_noop ("number of search strings to read from search strings file"),
1875 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
1876 {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
1877 gettext_noop ("maximum path compression length"),
1878 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
1879 {'i', "no-distributed-search", "",
1880 gettext_noop ("if this option is set, only one peer is responsible for searching all strings"),
1881 0, &GNUNET_GETOPT_set_one, &no_distributed_search},
1882 GNUNET_GETOPT_OPTION_END
1886 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1889 result = GNUNET_SYSERR;
1891 GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
1892 _("Profiler for regex/mesh"),
1893 options, &run, NULL);
1895 if (GNUNET_OK != ret)
1897 if (GNUNET_OK != result)