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.
31 #include "gnunet_applications.h"
32 #include "gnunet_util_lib.h"
33 #include "gnunet_mesh_service.h"
34 #include "gnunet_stream_lib.h"
35 #include "gnunet_testbed_service.h"
43 * The testbed operation handle
45 struct GNUNET_TESTBED_Operation *op;
53 * The next pointer for DLL
55 struct DLLOperation *next;
58 * The prev pointer for DLL
60 struct DLLOperation *prev;
65 * Available states during profiling
77 STATE_SLAVES_STARTING,
95 * Destroying peers; we can do this as the controller takes care of stopping a
96 * peer if it is running
98 STATE_PEERS_DESTROYING
103 * An array of hosts loaded from the hostkeys file
105 static struct GNUNET_TESTBED_Host **hosts;
118 * The actual testbed peer handle.
120 struct GNUNET_TESTBED_Peer *peer_handle;
123 * Host on which the peer is running.
125 struct GNUNET_TESTBED_Host *host_handle;
128 * Filename of the peer's policy file.
133 * Peers search string.
135 const char *search_str;
138 * Peer's mesh handle.
140 struct GNUNET_MESH_Handle *mesh_handle;
143 * Peer's mesh tunnel handle.
145 struct GNUNET_MESH_Tunnel *mesh_tunnel_handle;
148 * Testbed operation handle for the mesh service.
150 struct GNUNET_TESTBED_Operation *mesh_op_handle;
153 * Peers's statistics handle.
155 struct GNUNET_STATISTICS_Handle *stats_handle;
158 * Testbed operation handle for the statistics service.
160 struct GNUNET_TESTBED_Operation *stats_op_handle;
164 * Array of peer handles used to pass to
165 * GNUNET_TESTBED_overlay_configure_topology
167 struct GNUNET_TESTBED_Peer **peer_handles;
170 * The array of peers; we fill this as the peers are given to us by the testbed
172 static struct RegexPeer *peers;
175 * Host registration handle
177 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
180 * Handle to the master controller process
182 struct GNUNET_TESTBED_ControllerProc *mc_proc;
185 * Handle to the master controller
187 struct GNUNET_TESTBED_Controller *mc;
190 * Handle to global configuration
192 struct GNUNET_CONFIGURATION_Handle *cfg;
195 * Head of the operations list
197 struct DLLOperation *dll_op_head;
200 * Tail of the operations list
202 struct DLLOperation *dll_op_tail;
205 * Peer linking - topology operation
207 struct GNUNET_TESTBED_Operation *topology_op;
210 * Abort task identifier
212 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
215 * Host registration task identifier
217 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
220 * Global event mask for all testbed events
225 * The starting time of a profiling step
227 struct GNUNET_TIME_Absolute prof_start_time;
230 * Duration profiling step has taken
232 struct GNUNET_TIME_Relative prof_time;
237 unsigned int peer_id;
240 * Number of peers to be started by the profiler
242 static unsigned int num_peers;
245 * Number of hosts in the hosts array
247 static unsigned int num_hosts;
250 * Number of random links to be established between peers
252 static unsigned int num_links;
255 * Number of timeout failures to tolerate
257 static unsigned int num_cont_fails;
260 * Number of times we try overlay connect operations
262 static unsigned int retry_links;
265 * Continuous failures during overlay connect operations
267 static unsigned int cont_fails;
270 * Global testing status
275 * current state of profiling
280 * Folder where policy files are stored.
282 static char * policy_dir;
287 static char **search_strings;
290 * Number of search strings.
292 static int num_search_strings;
295 * Number of peers found with search strings.
297 static unsigned int peers_found;
300 * Search task identifier
302 static GNUNET_SCHEDULER_TaskIdentifier search_task;
305 * Search timeout task identifier.
307 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
310 * Search timeout in seconds.
312 static struct GNUNET_TIME_Relative search_timeout = { 60000 };
315 * How long do we wait before starting the search?
318 static struct GNUNET_TIME_Relative search_delay = { 60000 };
325 * @param tc the task context
328 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
330 struct DLLOperation *dll_op;
332 unsigned int peer_cnt;
333 unsigned int search_str_cnt;
335 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
337 if (NULL != peers[peer_cnt].mesh_op_handle)
338 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].mesh_op_handle);
339 if (NULL != peers[peer_cnt].stats_op_handle)
340 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].stats_op_handle);
342 for (search_str_cnt = 0; search_str_cnt < num_search_strings; search_str_cnt++)
344 GNUNET_free (search_strings[search_str_cnt]);
346 GNUNET_free (search_strings);
347 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
348 GNUNET_SCHEDULER_cancel (abort_task);
349 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
350 GNUNET_SCHEDULER_cancel (register_hosts_task);
351 if (NULL != reg_handle)
352 GNUNET_TESTBED_cancel_registration (reg_handle);
353 if (NULL != topology_op)
354 GNUNET_TESTBED_operation_cancel (topology_op);
355 for (nhost = 0; nhost < num_hosts; nhost++)
356 if (NULL != hosts[nhost])
357 GNUNET_TESTBED_host_destroy (hosts[nhost]);
358 GNUNET_free_non_null (hosts);
359 while (NULL != (dll_op = dll_op_head))
361 GNUNET_TESTBED_operation_cancel (dll_op->op);
362 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
363 GNUNET_free (dll_op);
366 GNUNET_TESTBED_controller_disconnect (mc);
368 GNUNET_TESTBED_controller_stop (mc_proc);
370 GNUNET_CONFIGURATION_destroy (cfg);
372 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
377 * abort task to run on test timed out
380 * @param tc the task context
383 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
385 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting\n");
386 abort_task = GNUNET_SCHEDULER_NO_TASK;
387 result = GNUNET_SYSERR;
388 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
392 /******************************************************************************/
393 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
394 /******************************************************************************/
397 * Adapter function called to establish a connection to
398 * statistics service.
401 * @param cfg configuration of the peer to connect to; will be available until
402 * GNUNET_TESTBED_operation_done() is called on the operation returned
403 * from GNUNET_TESTBED_service_connect()
404 * @return service handle to return in 'op_result', NULL on error
407 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
409 return GNUNET_STATISTICS_create ("<driver>", cfg);
414 * Adapter function called to destroy a connection to
415 * statistics service.
418 * @param op_result service handle returned from the connect adapter
421 stats_da (void *cls, void *op_result)
423 GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
428 * Process statistic values.
431 * @param subsystem name of subsystem that created the statistic
432 * @param name the name of the datum
433 * @param value the current value
434 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
435 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
438 stats_iterator (void *cls, const char *subsystem, const char *name,
439 uint64_t value, int is_persistent)
441 struct RegexPeer *peer = cls;
442 // char output_buffer[512];
445 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stats iterator callback for peer %u\n", peer->id);
447 if (NULL == output_file)
449 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
450 "%p -> %s [%s]: %llu\n",
451 peer, subsystem, name, value);
456 GNUNET_snprintf (output_buffer,
457 sizeof (output_buffer),
460 subsystem, name, value);
461 if (size != GNUNET_DISK_file_write (output_file, output_buffer, size))
462 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
469 * Continuation callback for stats.
472 * @param success GNUNET_OK if statistics were
473 * successfully obtained, GNUNET_SYSERR if not.
476 stats_cont_cb (void *cls,
479 struct RegexPeer *peer = cls;
481 if (GNUNET_OK != success)
484 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
485 "Stats continuation callback for peer %u.\n", peer->id);
491 * Function called by testbed once we are connected to stats service.
493 * @param cls the 'struct RegexPeer' for which we connected to stats
494 * @param op connect operation handle
495 * @param ca_result handle to stats service
496 * @param emsg error message on failure
499 stats_connect_cb (void *cls,
500 struct GNUNET_TESTBED_Operation *op,
504 struct RegexPeer *peer = cls;
506 if (NULL == ca_result)
508 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
509 "Failed to connect to statistics service on peer %u: %s\n",
511 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
515 peer->stats_handle = ca_result;
519 /******************************************************************************/
520 /************************ MESH SERVICE CONNECTIONS **************************/
521 /******************************************************************************/
524 * Method called whenever another peer has added us to a tunnel
525 * the other peer initiated.
526 * Only called (once) upon reception of data with a message type which was
527 * subscribed to in GNUNET_MESH_connect. A call to GNUNET_MESH_tunnel_destroy
528 * causes te tunnel to be ignored and no further notifications are sent about
532 * @param tunnel new handle to the tunnel
533 * @param initiator peer that started the tunnel
534 * @param atsi performance information for the tunnel
535 * @return initial tunnel context for the tunnel
536 * (can be NULL -- that's not an error)
539 mesh_inbound_tunnel_handler (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
540 const struct GNUNET_PeerIdentity *initiator,
541 const struct GNUNET_ATS_Information *atsi)
543 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh inbound tunnel handler.\n");
550 * Function called whenever an inbound tunnel is destroyed. Should clean up
551 * any associated state. This function is NOT called if the client has
552 * explicitly asked for the tunnel to be destroyed using
553 * GNUNET_MESH_tunnel_destroy. It must NOT call GNUNET_MESH_tunnel_destroy on
556 * @param cls closure (set from GNUNET_MESH_connect)
557 * @param tunnel connection to the other end (henceforth invalid)
558 * @param tunnel_ctx place where local state associated
559 * with the tunnel is stored
562 mesh_tunnel_end_handler (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
565 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh tunnel end handler.\n");
570 * Method called whenever a peer has disconnected from the tunnel.
571 * Implementations of this callback must NOT call
572 * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
573 * to run in some other task later. However, calling
574 * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
577 * @param peer_id peer identity the tunnel stopped working with
580 mesh_peer_disconnect_handler (void *cls,
581 const struct GNUNET_PeerIdentity * peer_id)
583 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh peer disconnect handler.\n");
588 * Method called whenever a peer has connected to the tunnel.
591 * @param peer_id peer identity the tunnel was created to, NULL on timeout
592 * @param atsi performance data for the connection
596 mesh_peer_connect_handler (void *cls,
597 const struct GNUNET_PeerIdentity* peer_id,
598 const struct GNUNET_ATS_Information * atsi)
600 struct RegexPeer *peer = cls;
606 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
607 "String matching timed out for string %s on peer %u (%i/%i)\n",
608 peer->search_str, peer->id, peers_found, num_search_strings);
612 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
613 "String %s successfully matched on peer %u (%i/%i)\n",
614 peer->search_str, peer->id, peers_found, num_search_strings);
616 GNUNET_STATISTICS_get (peer->stats_handle, "mesh", NULL,
617 GNUNET_TIME_UNIT_FOREVER_REL,
619 &stats_iterator, peer);
622 if (peers_found == num_search_strings)
625 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
626 printf ("\nAll strings successfully matched in %.2f minutes\n", ((double)prof_time.rel_value / 1000.0 / 60.0));
628 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
629 GNUNET_SCHEDULER_cancel (search_timeout_task);
630 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
636 * Connect by string timeout task
639 * @param tc the task context
642 do_connect_by_string_timeout (void *cls,
643 const struct GNUNET_SCHEDULER_TaskContext * tc)
645 printf ("Searching for all strings did not succeed after %s.\n",
646 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
647 printf ("Found %i of %i strings\n", peers_found, num_search_strings);
649 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
654 * Connect by string task that is run to search for a string in the NFA
657 * @param tc the task context
660 do_connect_by_string (void *cls,
661 const struct GNUNET_SCHEDULER_TaskContext * tc)
663 unsigned int search_cnt;
664 struct RegexPeer *peer;
666 for (search_cnt = 0; search_cnt < num_search_strings; search_cnt++)
668 peer = &peers[search_cnt % num_peers];
669 peer->search_str = search_strings[search_cnt];
671 printf ("Searching for string \"%s\" on peer %d with file %s\n",
672 peer->search_str, (search_cnt % num_peers), peer->policy_file);
674 peer->mesh_tunnel_handle = GNUNET_MESH_tunnel_create (peer->mesh_handle,
676 &mesh_peer_connect_handler,
677 &mesh_peer_disconnect_handler,
680 GNUNET_MESH_peer_request_connect_by_string (peer->mesh_tunnel_handle,
685 prof_start_time = GNUNET_TIME_absolute_get ();
687 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
688 &do_connect_by_string_timeout, NULL);
693 * Mesh connect callback.
695 * @param cls internal peer id.
696 * @param op operation handle.
697 * @param ca_result connect adapter result.
698 * @param emsg error message.
701 mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
702 void *ca_result, const char *emsg)
704 static unsigned int connected_mesh_handles;
705 struct RegexPeer *peer = (struct RegexPeer *) cls;
714 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Mesh connect failed: %s\n", emsg);
718 GNUNET_assert (peer->mesh_op_handle == op);
719 GNUNET_assert (peer->mesh_handle == ca_result);
720 GNUNET_assert (NULL != peer->policy_file);
722 printf ("Announcing regexes for peer with file %s\n", peer->policy_file);
725 if (GNUNET_YES != GNUNET_DISK_file_test (peer->policy_file))
727 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
728 "Could not find policy file %s\n", peer->policy_file);
731 if (GNUNET_OK != GNUNET_DISK_file_size (peer->policy_file, &filesize, GNUNET_YES, GNUNET_YES))
735 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Policy file %s is empty.\n", peer->policy_file);
738 data = GNUNET_malloc (filesize);
739 if (filesize != GNUNET_DISK_fn_read (peer->policy_file, data, filesize))
742 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read policy file %s.\n",
749 while (offset < (filesize - 1))
752 if (((data[offset] == '\n')) && (buf != &data[offset]))
756 GNUNET_assert (NULL != regex);
757 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s on peer\n", regex);
758 GNUNET_MESH_announce_regex (peer->mesh_handle, regex);
759 buf = &data[offset + 1];
761 else if ((data[offset] == '\n') || (data[offset] == '\0'))
762 buf = &data[offset + 1];
766 if (++connected_mesh_handles == num_peers)
768 printf ("\nAll mesh handles connected.\nWaiting %s before starting to search.\n",
769 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
771 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
772 &do_connect_by_string, NULL);
778 * Mesh connect adapter.
780 * @param cls not used.
781 * @param cfg configuration handle.
786 mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
788 GNUNET_MESH_ApplicationType app;
789 struct RegexPeer *peer = cls;
791 static struct GNUNET_MESH_MessageHandler handlers[] = {
795 app = (GNUNET_MESH_ApplicationType)0;
798 GNUNET_MESH_connect (cfg, cls, NULL, NULL, handlers, &app);
800 return peer->mesh_handle;
805 * Adapter function called to destroy a connection to
809 * @param op_result service handle returned from the connect adapter
812 mesh_da (void *cls, void *op_result)
814 struct RegexPeer *peer = (struct RegexPeer *) cls;
816 GNUNET_assert (peer->mesh_handle == op_result);
818 if (NULL != peer->mesh_tunnel_handle)
820 GNUNET_MESH_tunnel_destroy (peer->mesh_tunnel_handle);
821 peer->mesh_tunnel_handle = NULL;
824 if (NULL != peer->mesh_handle)
826 GNUNET_MESH_disconnect (peer->mesh_handle);
827 peer->mesh_handle = NULL;
832 /******************************************************************************/
833 /*************************** TESTBED PEER SETUP *****************************/
834 /******************************************************************************/
838 * Functions of this signature are called when a peer has been successfully
839 * started or stopped.
841 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
842 * @param emsg NULL on success; otherwise an error description
845 peer_churn_cb (void *cls, const char *emsg)
847 struct DLLOperation *dll_op = cls;
848 struct GNUNET_TESTBED_Operation *op;
849 static unsigned int started_peers;
850 unsigned int peer_cnt;
853 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
854 GNUNET_free (dll_op);
857 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
858 _("An operation has failed while starting peers\n"));
859 GNUNET_TESTBED_operation_done (op);
860 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
861 GNUNET_SCHEDULER_cancel (abort_task);
862 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
865 GNUNET_TESTBED_operation_done (op);
866 if (++started_peers == num_peers)
868 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
869 printf ("All peers started successfully in %.2f seconds\n",
870 ((double) prof_time.rel_value) / 1000.00);
874 num_links = num_peers * 5;
876 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
877 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
878 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
880 state = STATE_PEERS_LINKING;
881 /* Do overlay connect */
882 prof_start_time = GNUNET_TIME_absolute_get ();
884 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
885 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
887 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
888 if (NULL == topology_op)
890 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
891 "Cannot create topology, op handle was NULL\n");
899 * Functions of this signature are called when a peer has been successfully
902 * @param cls the closure from GNUNET_TESTBED_peer_create()
903 * @param peer the handle for the created peer; NULL on any error during
905 * @param emsg NULL if peer is not NULL; else MAY contain the error description
908 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
910 struct DLLOperation *dll_op = cls;
911 struct RegexPeer *peer_ptr;
912 static unsigned int created_peers;
913 unsigned int peer_cnt;
917 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
918 _("Creating a peer failed. Error: %s\n"), emsg);
919 GNUNET_TESTBED_operation_done (dll_op->op);
920 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
921 GNUNET_free (dll_op);
922 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
923 GNUNET_SCHEDULER_cancel (abort_task);
924 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
928 peer_ptr = dll_op->cls;
929 GNUNET_assert (NULL == peer_ptr->peer_handle);
930 peer_ptr->peer_handle = peer;
931 GNUNET_TESTBED_operation_done (dll_op->op);
932 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
933 GNUNET_free (dll_op);
935 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
937 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
939 if (++created_peers == num_peers)
941 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
942 printf ("All peers created successfully in %.2f seconds\n",
943 ((double) prof_time.rel_value) / 1000.00);
944 /* Now peers are to be started */
945 state = STATE_PEERS_STARTING;
946 prof_start_time = GNUNET_TIME_absolute_get ();
947 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
949 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
950 dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
951 &peer_churn_cb, dll_op);
952 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
958 * Function called with a filename.
961 * @param filename complete filename (absolute path)
962 * @return GNUNET_OK to continue to iterate,
963 * GNUNET_SYSERR to abort iteration with error!
966 policy_filename_cb (void *cls, const char *filename)
968 static unsigned int peer_cnt;
969 struct DLLOperation *dll_op;
971 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer %i on host %s for policy file %s\n",
973 GNUNET_TESTBED_host_get_hostname (hosts[peer_cnt % num_hosts]),
976 peers[peer_cnt].id = peer_cnt;
977 peers[peer_cnt].policy_file = GNUNET_strdup (filename);
978 peers[peer_cnt].host_handle = hosts[peer_cnt % num_hosts];
979 peers[peer_cnt].mesh_handle = NULL;
980 peers[peer_cnt].mesh_tunnel_handle = NULL;
981 peers[peer_cnt].stats_handle = NULL;
982 peers[peer_cnt].stats_op_handle = NULL;
984 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
985 dll_op->cls = &peers[peer_cnt];
986 dll_op->op = GNUNET_TESTBED_peer_create (mc,
987 hosts[peer_cnt % num_hosts],
991 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
999 * Controller event callback.
1002 * @param event the controller event
1005 controller_event_cb (void *cls,
1006 const struct GNUNET_TESTBED_EventInformation *event)
1008 struct DLLOperation *dll_op;
1009 struct GNUNET_TESTBED_Operation *op;
1013 case STATE_SLAVES_STARTING:
1014 switch (event->type)
1016 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1018 static unsigned int slaves_started;
1020 dll_op = event->details.operation_finished.op_cls;
1021 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1022 GNUNET_free (dll_op);
1023 op = event->details.operation_finished.operation;
1024 if (NULL != event->details.operation_finished.emsg)
1026 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1027 _("An operation has failed while starting slaves\n"));
1028 GNUNET_TESTBED_operation_done (op);
1029 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1030 GNUNET_SCHEDULER_cancel (abort_task);
1031 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1034 GNUNET_TESTBED_operation_done (op);
1035 /* Proceed to start peers */
1036 if (++slaves_started == num_hosts - 1)
1038 printf ("All slaves started successfully\n");
1040 state = STATE_PEERS_CREATING;
1041 prof_start_time = GNUNET_TIME_absolute_get ();
1043 num_peers = GNUNET_DISK_directory_scan (policy_dir,
1046 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1048 GNUNET_DISK_directory_scan (policy_dir,
1049 &policy_filename_cb,
1058 case STATE_PEERS_STARTING:
1059 switch (event->type)
1061 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1062 /* Control reaches here when peer start fails */
1063 case GNUNET_TESTBED_ET_PEER_START:
1064 /* we handle peer starts in peer_churn_cb */
1070 case STATE_PEERS_LINKING:
1071 switch (event->type)
1073 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1074 /* Control reaches here when a peer linking operation fails */
1075 if (NULL != event->details.operation_finished.emsg)
1077 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1078 _("An operation has failed while linking\n"));
1080 if (++cont_fails > num_cont_fails)
1082 printf ("\nAborting due to very high failure rate");
1083 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1084 GNUNET_SCHEDULER_cancel (abort_task);
1085 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1089 case GNUNET_TESTBED_ET_CONNECT:
1091 static unsigned int established_links;
1092 unsigned int peer_cnt;
1094 if (0 == established_links)
1095 printf ("Establishing links\n .");
1101 if (++established_links == num_links)
1103 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1104 printf ("\n%u links established in %.2f seconds\n",
1105 num_links, ((double) prof_time.rel_value) / 1000.00);
1107 GNUNET_free (peer_handles);
1108 printf ("\nConnecting to mesh and statistics service...\n");
1109 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1111 peers[peer_cnt].mesh_op_handle =
1112 GNUNET_TESTBED_service_connect (NULL,
1113 peers[peer_cnt].peer_handle,
1121 peers[peer_cnt].stats_op_handle =
1122 GNUNET_TESTBED_service_connect (NULL,
1123 peers[peer_cnt].peer_handle,
1145 * Task to register all hosts available in the global host list
1148 * @param tc the scheduler task context
1151 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1155 * Callback which will be called to after a host registration succeeded or failed
1157 * @param cls the closure
1158 * @param emsg the error message; NULL if host registration is successful
1161 host_registration_completion (void *cls, const char *emsg)
1166 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1167 _("Host registration failed for a host. Error: %s\n"), emsg);
1168 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1169 GNUNET_SCHEDULER_cancel (abort_task);
1170 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1173 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1178 * Task to register all hosts available in the global host list
1181 * @param tc the scheduler task context
1184 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1186 struct DLLOperation *dll_op;
1187 static unsigned int reg_host;
1190 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1191 if (reg_host == num_hosts - 1)
1193 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1194 "All hosts successfully registered\n");
1196 state = STATE_SLAVES_STARTING;
1197 for (slave = 1; slave < num_hosts; slave++)
1199 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1200 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1206 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1210 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1211 host_registration_completion,
1217 * Callback to signal successfull startup of the controller process
1219 * @param cls the closure from GNUNET_TESTBED_controller_start()
1220 * @param config the configuration with which the controller has been started;
1221 * NULL if status is not GNUNET_OK
1222 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1223 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1226 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1228 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1229 GNUNET_SCHEDULER_cancel (abort_task);
1230 if (GNUNET_OK != status)
1233 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1237 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1238 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1239 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1240 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1241 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1242 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1243 &controller_event_cb, NULL);
1246 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1247 _("Unable to connect to master controller -- Check config\n"));
1248 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1251 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1252 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1257 * Load search strings from given filename. One search string per line.
1259 * @param filename filename of the file containing the search strings.
1260 * @param strings set of strings loaded from file. Caller needs to free this
1261 * if number returned is greater than zero.
1262 * @return number of strings found in the file. GNUNET_SYSERR on error.
1265 load_search_strings (const char *filename, char ***strings)
1270 unsigned int offset;
1274 if (NULL == filename)
1276 return GNUNET_SYSERR;
1279 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1281 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1282 "Could not find search strings file %s\n", filename);
1283 return GNUNET_SYSERR;
1285 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1289 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1290 return GNUNET_SYSERR;
1292 data = GNUNET_malloc (filesize);
1293 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1296 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1298 return GNUNET_SYSERR;
1303 while (offset < (filesize - 1))
1306 if (((data[offset] == '\n')) && (buf != &data[offset]))
1308 data[offset] = '\0';
1310 buf = &data[offset + 1];
1312 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1313 buf = &data[offset + 1];
1315 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1317 for (i = 0; i < str_cnt; i++)
1319 (*strings)[i] = GNUNET_strdup (&data[offset]);
1320 offset += strlen ((*strings)[i]) + 1;
1327 * Main function that will be run by the scheduler.
1329 * @param cls closure
1330 * @param args remaining command-line arguments
1331 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1332 * @param config configuration
1335 run (void *cls, char *const *args, const char *cfgfile,
1336 const struct GNUNET_CONFIGURATION_Handle *config)
1340 if (NULL == args[0])
1342 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1345 if (NULL == args[1])
1347 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1350 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
1353 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
1356 for (nhost = 0; nhost < num_hosts; nhost++)
1358 if (GNUNET_YES != GNUNET_TESTBED_is_host_habitable (hosts[nhost]))
1360 fprintf (stderr, _("Host %s cannot start testbed\n"),
1361 GNUNET_TESTBED_host_get_hostname (hosts[nhost]));
1365 if (num_hosts != nhost)
1367 fprintf (stderr, _("Exiting\n"));
1368 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1373 fprintf (stderr, _("No configuration file given. Exiting\n"));
1374 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1377 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1]))
1379 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
1380 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1383 policy_dir = args[1];
1384 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
1386 fprintf (stderr, _("No search strings file given. Exiting.\n"));
1387 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1390 num_search_strings = load_search_strings (args[2], &search_strings);
1391 if (0 >= num_search_strings || NULL == search_strings)
1393 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
1394 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1398 for (i = 0; i < num_search_strings; i++)
1399 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
1400 cfg = GNUNET_CONFIGURATION_dup (config);
1402 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1409 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1410 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
1418 * @param argc argument count
1419 * @param argv argument values
1420 * @return 0 on success
1423 main (int argc, char *const *argv)
1425 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1426 { 'n', "num-links", "COUNT",
1427 gettext_noop ("create COUNT number of random links"),
1428 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_links },
1429 { 'e', "num-errors", "COUNT",
1430 gettext_noop ("tolerate COUNT number of continious timeout failures"),
1431 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_cont_fails },
1432 { 't', "matching-timeout", "TIMEOUT",
1433 gettext_noop ("wait TIMEOUT seconds before considering a string match as failed"),
1434 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
1435 { 's', "search-delay", "DELAY",
1436 gettext_noop ("wait DELAY minutes before starting string search"),
1437 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
1438 GNUNET_GETOPT_OPTION_END
1442 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1445 result = GNUNET_SYSERR;
1447 GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
1448 _("Profiler for regex/mesh"),
1449 options, &run, NULL);
1450 if (GNUNET_OK != ret)
1452 if (GNUNET_OK != result)