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.
28 * - Connect to statistics service
34 #include "gnunet_applications.h"
35 #include "gnunet_util_lib.h"
36 #include "gnunet_mesh_service.h"
37 #include "gnunet_stream_lib.h"
38 #include "gnunet_testbed_service.h"
46 * The testbed operation handle
48 struct GNUNET_TESTBED_Operation *op;
56 * The next pointer for DLL
58 struct DLLOperation *next;
61 * The prev pointer for DLL
63 struct DLLOperation *prev;
68 * Available states during profiling
80 STATE_SLAVES_STARTING,
98 * Destroying peers; we can do this as the controller takes care of stopping a
99 * peer if it is running
101 STATE_PEERS_DESTROYING
106 * An array of hosts loaded from the hostkeys file
108 static struct GNUNET_TESTBED_Host **hosts;
121 * The actual testbed peer handle.
123 struct GNUNET_TESTBED_Peer *peer_handle;
126 * Host on which the peer is running.
128 struct GNUNET_TESTBED_Host *host_handle;
131 * Filename of the peer's policy file.
136 * Peers search string.
138 const char *search_str;
141 * Peer's mesh handle.
143 struct GNUNET_MESH_Handle *mesh_handle;
146 * Peer's mesh tunnel handle.
148 struct GNUNET_MESH_Tunnel *mesh_tunnel_handle;
151 * Testbed operation handle for the mesh service.
153 struct GNUNET_TESTBED_Operation *mesh_op_handle;
156 * Peers's statistics handle.
158 struct GNUNET_STATISTICS_Handle *stats_handle;
161 * Testbed operation handle for the statistics service.
163 struct GNUNET_TESTBED_Operation *stats_op_handle;
167 * Array of peer handles used to pass to
168 * GNUNET_TESTBED_overlay_configure_topology
170 struct GNUNET_TESTBED_Peer **peer_handles;
173 * The array of peers; we fill this as the peers are given to us by the testbed
175 static struct RegexPeer *peers;
178 * Host registration handle
180 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
183 * Handle to the master controller process
185 struct GNUNET_TESTBED_ControllerProc *mc_proc;
188 * Handle to the master controller
190 struct GNUNET_TESTBED_Controller *mc;
193 * Handle to global configuration
195 struct GNUNET_CONFIGURATION_Handle *cfg;
198 * Head of the operations list
200 struct DLLOperation *dll_op_head;
203 * Tail of the operations list
205 struct DLLOperation *dll_op_tail;
208 * Peer linking - topology operation
210 struct GNUNET_TESTBED_Operation *topology_op;
213 * Abort task identifier
215 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
218 * Host registration task identifier
220 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
223 * Global event mask for all testbed events
228 * The starting time of a profiling step
230 struct GNUNET_TIME_Absolute prof_start_time;
233 * Duration profiling step has taken
235 struct GNUNET_TIME_Relative prof_time;
240 unsigned int peer_id;
243 * Number of peers to be started by the profiler
245 static unsigned int num_peers;
248 * Number of hosts in the hosts array
250 static unsigned int num_hosts;
253 * Number of random links to be established between peers
255 static unsigned int num_links;
258 * Number of timeout failures to tolerate
260 static unsigned int num_cont_fails;
263 * Number of times we try overlay connect operations
265 static unsigned int retry_links;
268 * Continuous failures during overlay connect operations
270 static unsigned int cont_fails;
273 * Global testing status
278 * current state of profiling
283 * Folder where policy files are stored.
285 static char * policy_dir;
290 static char **search_strings;
293 * Number of search strings.
295 static int num_search_strings;
298 * Number of peers found with search strings.
300 static unsigned int peers_found;
303 * Search task identifier
305 static GNUNET_SCHEDULER_TaskIdentifier search_task;
308 * Search timeout task identifier.
310 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
313 * Search timeout in seconds.
315 static struct GNUNET_TIME_Relative search_timeout = { 60000 };
318 * How long do we wait before starting the search?
321 static struct GNUNET_TIME_Relative search_delay = { 60000 };
328 * @param tc the task context
331 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
333 struct DLLOperation *dll_op;
335 unsigned int peer_cnt;
336 unsigned int search_str_cnt;
338 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
340 if (NULL != peers[peer_cnt].mesh_op_handle)
341 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].mesh_op_handle);
342 if (NULL != peers[peer_cnt].stats_op_handle)
343 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].stats_op_handle);
345 for (search_str_cnt = 0; search_str_cnt < num_search_strings; search_str_cnt++)
347 GNUNET_free (search_strings[search_str_cnt]);
349 GNUNET_free (search_strings);
350 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
351 GNUNET_SCHEDULER_cancel (abort_task);
352 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
353 GNUNET_SCHEDULER_cancel (register_hosts_task);
354 if (NULL != reg_handle)
355 GNUNET_TESTBED_cancel_registration (reg_handle);
356 if (NULL != topology_op)
357 GNUNET_TESTBED_operation_cancel (topology_op);
358 for (nhost = 0; nhost < num_hosts; nhost++)
359 if (NULL != hosts[nhost])
360 GNUNET_TESTBED_host_destroy (hosts[nhost]);
361 GNUNET_free_non_null (hosts);
362 while (NULL != (dll_op = dll_op_head))
364 GNUNET_TESTBED_operation_cancel (dll_op->op);
365 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
366 GNUNET_free (dll_op);
369 GNUNET_TESTBED_controller_disconnect (mc);
371 GNUNET_TESTBED_controller_stop (mc_proc);
373 GNUNET_CONFIGURATION_destroy (cfg);
375 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
380 * abort task to run on test timed out
383 * @param tc the task context
386 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
388 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting\n");
389 abort_task = GNUNET_SCHEDULER_NO_TASK;
390 result = GNUNET_SYSERR;
391 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
395 /******************************************************************************/
396 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
397 /******************************************************************************/
400 * Adapter function called to establish a connection to
401 * statistics service.
404 * @param cfg configuration of the peer to connect to; will be available until
405 * GNUNET_TESTBED_operation_done() is called on the operation returned
406 * from GNUNET_TESTBED_service_connect()
407 * @return service handle to return in 'op_result', NULL on error
410 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
412 return GNUNET_STATISTICS_create ("<driver>", cfg);
417 * Adapter function called to destroy a connection to
418 * statistics service.
421 * @param op_result service handle returned from the connect adapter
424 stats_da (void *cls, void *op_result)
426 GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
431 * Process statistic values.
434 * @param subsystem name of subsystem that created the statistic
435 * @param name the name of the datum
436 * @param value the current value
437 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
438 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
441 stats_iterator (void *cls, const char *subsystem, const char *name,
442 uint64_t value, int is_persistent)
444 struct RegexPeer *peer = cls;
445 // char output_buffer[512];
448 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stats iterator callback for peer %u\n", peer->id);
450 if (NULL == output_file)
452 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
453 "%p -> %s [%s]: %llu\n",
454 peer, subsystem, name, value);
459 GNUNET_snprintf (output_buffer,
460 sizeof (output_buffer),
463 subsystem, name, value);
464 if (size != GNUNET_DISK_file_write (output_file, output_buffer, size))
465 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
472 * Continuation callback for stats.
475 * @param success GNUNET_OK if statistics were
476 * successfully obtained, GNUNET_SYSERR if not.
479 stats_cont_cb (void *cls,
482 struct RegexPeer *peer = cls;
484 if (GNUNET_OK != success)
487 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
488 "Stats continuation callback for peer %u.\n", peer->id);
494 * Function called by testbed once we are connected to stats service.
496 * @param cls the 'struct RegexPeer' for which we connected to stats
497 * @param op connect operation handle
498 * @param ca_result handle to stats service
499 * @param emsg error message on failure
502 stats_connect_cb (void *cls,
503 struct GNUNET_TESTBED_Operation *op,
507 struct RegexPeer *peer = cls;
509 if (NULL == ca_result)
511 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
512 "Failed to connect to statistics service on peer %u: %s\n",
514 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
518 peer->stats_handle = ca_result;
522 /******************************************************************************/
523 /************************ MESH SERVICE CONNECTIONS **************************/
524 /******************************************************************************/
527 * Method called whenever another peer has added us to a tunnel
528 * the other peer initiated.
529 * Only called (once) upon reception of data with a message type which was
530 * subscribed to in GNUNET_MESH_connect. A call to GNUNET_MESH_tunnel_destroy
531 * causes te tunnel to be ignored and no further notifications are sent about
535 * @param tunnel new handle to the tunnel
536 * @param initiator peer that started the tunnel
537 * @param atsi performance information for the tunnel
538 * @return initial tunnel context for the tunnel
539 * (can be NULL -- that's not an error)
542 mesh_inbound_tunnel_handler (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
543 const struct GNUNET_PeerIdentity *initiator,
544 const struct GNUNET_ATS_Information *atsi)
546 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh inbound tunnel handler.\n");
553 * Function called whenever an inbound tunnel is destroyed. Should clean up
554 * any associated state. This function is NOT called if the client has
555 * explicitly asked for the tunnel to be destroyed using
556 * GNUNET_MESH_tunnel_destroy. It must NOT call GNUNET_MESH_tunnel_destroy on
559 * @param cls closure (set from GNUNET_MESH_connect)
560 * @param tunnel connection to the other end (henceforth invalid)
561 * @param tunnel_ctx place where local state associated
562 * with the tunnel is stored
565 mesh_tunnel_end_handler (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
568 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh tunnel end handler.\n");
573 * Method called whenever a peer has disconnected from the tunnel.
574 * Implementations of this callback must NOT call
575 * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
576 * to run in some other task later. However, calling
577 * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
580 * @param peer_id peer identity the tunnel stopped working with
583 mesh_peer_disconnect_handler (void *cls,
584 const struct GNUNET_PeerIdentity * peer_id)
586 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh peer disconnect handler.\n");
591 * Method called whenever a peer has connected to the tunnel.
594 * @param peer_id peer identity the tunnel was created to, NULL on timeout
595 * @param atsi performance data for the connection
599 mesh_peer_connect_handler (void *cls,
600 const struct GNUNET_PeerIdentity* peer_id,
601 const struct GNUNET_ATS_Information * atsi)
603 struct RegexPeer *peer = cls;
609 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
610 "String matching timed out for string %s on peer %u (%i/%i)\n",
611 peer->search_str, peer->id, peers_found, num_search_strings);
615 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
616 "String %s successfully matched on peer %u (%i/%i)\n",
617 peer->search_str, peer->id, peers_found, num_search_strings);
619 GNUNET_STATISTICS_get (peer->stats_handle, "mesh", NULL,
620 GNUNET_TIME_UNIT_FOREVER_REL,
622 &stats_iterator, peer);
625 if (peers_found == num_search_strings)
628 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
629 printf ("\nAll strings successfully matched in %.2f minutes\n", ((double)prof_time.rel_value / 1000.0 / 60.0));
631 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
632 GNUNET_SCHEDULER_cancel (search_timeout_task);
633 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
639 * Connect by string timeout task
642 * @param tc the task context
645 do_connect_by_string_timeout (void *cls,
646 const struct GNUNET_SCHEDULER_TaskContext * tc)
648 printf ("Searching for all strings did not succeed after %s.\n",
649 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
650 printf ("Found %i of %i strings\n", peers_found, num_search_strings);
652 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
657 * Connect by string task that is run to search for a string in the NFA
660 * @param tc the task context
663 do_connect_by_string (void *cls,
664 const struct GNUNET_SCHEDULER_TaskContext * tc)
666 unsigned int search_cnt;
667 struct RegexPeer *peer;
669 for (search_cnt = 0; search_cnt < num_search_strings; search_cnt++)
671 peer = &peers[search_cnt % num_peers];
672 peer->search_str = search_strings[search_cnt];
674 printf ("Searching for string \"%s\" on peer %d with file %s\n",
675 peer->search_str, (search_cnt % num_peers), peer->policy_file);
677 peer->mesh_tunnel_handle = GNUNET_MESH_tunnel_create (peer->mesh_handle,
679 &mesh_peer_connect_handler,
680 &mesh_peer_disconnect_handler,
683 GNUNET_MESH_peer_request_connect_by_string (peer->mesh_tunnel_handle,
687 prof_start_time = GNUNET_TIME_absolute_get ();
689 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
690 &do_connect_by_string_timeout, NULL);
695 * Mesh connect callback.
697 * @param cls internal peer id.
698 * @param op operation handle.
699 * @param ca_result connect adapter result.
700 * @param emsg error message.
703 mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
704 void *ca_result, const char *emsg)
706 static unsigned int connected_mesh_handles;
707 struct RegexPeer *peer = (struct RegexPeer *) cls;
716 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Mesh connect failed: %s\n", emsg);
720 GNUNET_assert (peer->mesh_op_handle == op);
721 GNUNET_assert (peer->mesh_handle == ca_result);
722 GNUNET_assert (NULL != peer->policy_file);
724 printf ("Announcing regexes for peer with file %s\n", peer->policy_file);
727 if (GNUNET_YES != GNUNET_DISK_file_test (peer->policy_file))
729 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
730 "Could not find policy file %s\n", peer->policy_file);
733 if (GNUNET_OK != GNUNET_DISK_file_size (peer->policy_file, &filesize, GNUNET_YES, GNUNET_YES))
737 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Policy file %s is empty.\n", peer->policy_file);
740 data = GNUNET_malloc (filesize);
741 if (filesize != GNUNET_DISK_fn_read (peer->policy_file, data, filesize))
744 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read policy file %s.\n",
751 while (offset < (filesize - 1))
754 if (((data[offset] == '\n')) && (buf != &data[offset]))
758 GNUNET_assert (NULL != regex);
759 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s on peer\n", regex);
760 GNUNET_MESH_announce_regex (peer->mesh_handle, regex);
761 buf = &data[offset + 1];
763 else if ((data[offset] == '\n') || (data[offset] == '\0'))
764 buf = &data[offset + 1];
768 if (++connected_mesh_handles == num_peers)
770 printf ("\nAll mesh handles connected.\nWaiting %s before starting to search.\n",
771 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
773 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
774 &do_connect_by_string, NULL);
780 * Mesh connect adapter.
782 * @param cls not used.
783 * @param cfg configuration handle.
788 mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
790 GNUNET_MESH_ApplicationType app;
791 struct RegexPeer *peer = cls;
793 static struct GNUNET_MESH_MessageHandler handlers[] = {
797 app = (GNUNET_MESH_ApplicationType)0;
800 GNUNET_MESH_connect (cfg, cls, NULL, NULL, handlers, &app);
802 return peer->mesh_handle;
807 * Adapter function called to destroy a connection to
811 * @param op_result service handle returned from the connect adapter
814 mesh_da (void *cls, void *op_result)
816 struct RegexPeer *peer = (struct RegexPeer *) cls;
818 GNUNET_assert (peer->mesh_handle == op_result);
820 if (NULL != peer->mesh_tunnel_handle)
822 GNUNET_MESH_tunnel_destroy (peer->mesh_tunnel_handle);
823 peer->mesh_tunnel_handle = NULL;
826 if (NULL != peer->mesh_handle)
828 GNUNET_MESH_disconnect (peer->mesh_handle);
829 peer->mesh_handle = NULL;
834 /******************************************************************************/
835 /*************************** TESTBED PEER SETUP *****************************/
836 /******************************************************************************/
840 * Functions of this signature are called when a peer has been successfully
841 * started or stopped.
843 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
844 * @param emsg NULL on success; otherwise an error description
847 peer_churn_cb (void *cls, const char *emsg)
849 struct DLLOperation *dll_op = cls;
850 struct GNUNET_TESTBED_Operation *op;
851 static unsigned int started_peers;
852 unsigned int peer_cnt;
855 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
856 GNUNET_free (dll_op);
859 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
860 _("An operation has failed while starting peers\n"));
861 GNUNET_TESTBED_operation_done (op);
862 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
863 GNUNET_SCHEDULER_cancel (abort_task);
864 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
867 GNUNET_TESTBED_operation_done (op);
868 if (++started_peers == num_peers)
870 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
871 printf ("All peers started successfully in %.2f seconds\n",
872 ((double) prof_time.rel_value) / 1000.00);
876 num_links = num_peers * 5;
878 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
879 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
880 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
882 state = STATE_PEERS_LINKING;
883 /* Do overlay connect */
884 prof_start_time = GNUNET_TIME_absolute_get ();
886 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
887 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
889 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
890 if (NULL == topology_op)
892 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
893 "Cannot create topology, op handle was NULL\n");
901 * Functions of this signature are called when a peer has been successfully
904 * @param cls the closure from GNUNET_TESTBED_peer_create()
905 * @param peer the handle for the created peer; NULL on any error during
907 * @param emsg NULL if peer is not NULL; else MAY contain the error description
910 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
912 struct DLLOperation *dll_op = cls;
913 struct RegexPeer *peer_ptr;
914 static unsigned int created_peers;
915 unsigned int peer_cnt;
919 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
920 _("Creating a peer failed. Error: %s\n"), emsg);
921 GNUNET_TESTBED_operation_done (dll_op->op);
922 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
923 GNUNET_free (dll_op);
924 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
925 GNUNET_SCHEDULER_cancel (abort_task);
926 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
930 peer_ptr = dll_op->cls;
931 GNUNET_assert (NULL == peer_ptr->peer_handle);
932 peer_ptr->peer_handle = peer;
933 GNUNET_TESTBED_operation_done (dll_op->op);
934 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
935 GNUNET_free (dll_op);
937 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
939 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
941 if (++created_peers == num_peers)
943 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
944 printf ("All peers created successfully in %.2f seconds\n",
945 ((double) prof_time.rel_value) / 1000.00);
946 /* Now peers are to be started */
947 state = STATE_PEERS_STARTING;
948 prof_start_time = GNUNET_TIME_absolute_get ();
949 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
951 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
952 dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
953 &peer_churn_cb, dll_op);
954 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
960 * Function called with a filename.
963 * @param filename complete filename (absolute path)
964 * @return GNUNET_OK to continue to iterate,
965 * GNUNET_SYSERR to abort iteration with error!
968 policy_filename_cb (void *cls, const char *filename)
970 static unsigned int peer_cnt;
971 struct DLLOperation *dll_op;
973 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer %i on host %s for policy file %s\n",
975 GNUNET_TESTBED_host_get_hostname (hosts[peer_cnt % num_hosts]),
978 peers[peer_cnt].id = peer_cnt;
979 peers[peer_cnt].policy_file = GNUNET_strdup (filename);
980 peers[peer_cnt].host_handle = hosts[peer_cnt % num_hosts];
981 peers[peer_cnt].mesh_handle = NULL;
982 peers[peer_cnt].mesh_tunnel_handle = NULL;
983 peers[peer_cnt].stats_handle = NULL;
984 peers[peer_cnt].stats_op_handle = NULL;
986 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
987 dll_op->cls = &peers[peer_cnt];
988 dll_op->op = GNUNET_TESTBED_peer_create (mc,
989 hosts[peer_cnt % num_hosts],
993 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1001 * Controller event callback.
1004 * @param event the controller event
1007 controller_event_cb (void *cls,
1008 const struct GNUNET_TESTBED_EventInformation *event)
1010 struct DLLOperation *dll_op;
1011 struct GNUNET_TESTBED_Operation *op;
1015 case STATE_SLAVES_STARTING:
1016 switch (event->type)
1018 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1020 static unsigned int slaves_started;
1022 dll_op = event->details.operation_finished.op_cls;
1023 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1024 GNUNET_free (dll_op);
1025 op = event->details.operation_finished.operation;
1026 if (NULL != event->details.operation_finished.emsg)
1028 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1029 _("An operation has failed while starting slaves\n"));
1030 GNUNET_TESTBED_operation_done (op);
1031 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1032 GNUNET_SCHEDULER_cancel (abort_task);
1033 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1036 GNUNET_TESTBED_operation_done (op);
1037 /* Proceed to start peers */
1038 if (++slaves_started == num_hosts - 1)
1040 printf ("All slaves started successfully\n");
1042 state = STATE_PEERS_CREATING;
1043 prof_start_time = GNUNET_TIME_absolute_get ();
1045 num_peers = GNUNET_DISK_directory_scan (policy_dir,
1048 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1050 GNUNET_DISK_directory_scan (policy_dir,
1051 &policy_filename_cb,
1060 case STATE_PEERS_STARTING:
1061 switch (event->type)
1063 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1064 /* Control reaches here when peer start fails */
1065 case GNUNET_TESTBED_ET_PEER_START:
1066 /* we handle peer starts in peer_churn_cb */
1072 case STATE_PEERS_LINKING:
1073 switch (event->type)
1075 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1076 /* Control reaches here when a peer linking operation fails */
1077 if (NULL != event->details.operation_finished.emsg)
1079 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1080 _("An operation has failed while linking\n"));
1082 if (++cont_fails > num_cont_fails)
1084 printf ("\nAborting due to very high failure rate");
1085 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1086 GNUNET_SCHEDULER_cancel (abort_task);
1087 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1091 case GNUNET_TESTBED_ET_CONNECT:
1093 static unsigned int established_links;
1094 unsigned int peer_cnt;
1096 if (0 == established_links)
1097 printf ("Establishing links\n .");
1103 if (++established_links == num_links)
1105 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1106 printf ("\n%u links established in %.2f seconds\n",
1107 num_links, ((double) prof_time.rel_value) / 1000.00);
1109 GNUNET_free (peer_handles);
1110 printf ("\nConnecting to mesh and statistics service...\n");
1111 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1113 peers[peer_cnt].mesh_op_handle =
1114 GNUNET_TESTBED_service_connect (NULL,
1115 peers[peer_cnt].peer_handle,
1123 peers[peer_cnt].stats_op_handle =
1124 GNUNET_TESTBED_service_connect (NULL,
1125 peers[peer_cnt].peer_handle,
1147 * Task to register all hosts available in the global host list
1150 * @param tc the scheduler task context
1153 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1157 * Callback which will be called to after a host registration succeeded or failed
1159 * @param cls the closure
1160 * @param emsg the error message; NULL if host registration is successful
1163 host_registration_completion (void *cls, const char *emsg)
1168 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1169 _("Host registration failed for a host. Error: %s\n"), emsg);
1170 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1171 GNUNET_SCHEDULER_cancel (abort_task);
1172 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1175 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1180 * Task to register all hosts available in the global host list
1183 * @param tc the scheduler task context
1186 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1188 struct DLLOperation *dll_op;
1189 static unsigned int reg_host;
1192 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1193 if (reg_host == num_hosts - 1)
1195 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1196 "All hosts successfully registered\n");
1198 state = STATE_SLAVES_STARTING;
1199 for (slave = 1; slave < num_hosts; slave++)
1201 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1202 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1208 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1212 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1213 host_registration_completion,
1219 * Callback to signal successfull startup of the controller process
1221 * @param cls the closure from GNUNET_TESTBED_controller_start()
1222 * @param config the configuration with which the controller has been started;
1223 * NULL if status is not GNUNET_OK
1224 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1225 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1228 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1230 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1231 GNUNET_SCHEDULER_cancel (abort_task);
1232 if (GNUNET_OK != status)
1235 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1239 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1240 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1241 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1242 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1243 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1244 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1245 &controller_event_cb, NULL);
1248 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1249 _("Unable to connect to master controller -- Check config\n"));
1250 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1253 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1254 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1259 * Load search strings from given filename. One search string per line.
1261 * @param filename filename of the file containing the search strings.
1262 * @param strings set of strings loaded from file. Caller needs to free this
1263 * if number returned is greater than zero.
1264 * @return number of strings found in the file. GNUNET_SYSERR on error.
1267 load_search_strings (const char *filename, char ***strings)
1272 unsigned int offset;
1276 if (NULL == filename)
1278 return GNUNET_SYSERR;
1281 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1283 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1284 "Could not find search strings file %s\n", filename);
1285 return GNUNET_SYSERR;
1287 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1291 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1292 return GNUNET_SYSERR;
1294 data = GNUNET_malloc (filesize);
1295 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1298 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1300 return GNUNET_SYSERR;
1305 while (offset < (filesize - 1))
1308 if (((data[offset] == '\n')) && (buf != &data[offset]))
1310 data[offset] = '\0';
1312 buf = &data[offset + 1];
1314 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1315 buf = &data[offset + 1];
1317 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1319 for (i = 0; i < str_cnt; i++)
1321 (*strings)[i] = GNUNET_strdup (&data[offset]);
1322 offset += strlen ((*strings)[i]) + 1;
1329 * Main function that will be run by the scheduler.
1331 * @param cls closure
1332 * @param args remaining command-line arguments
1333 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1334 * @param config configuration
1337 run (void *cls, char *const *args, const char *cfgfile,
1338 const struct GNUNET_CONFIGURATION_Handle *config)
1342 if (NULL == args[0])
1344 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1347 if (NULL == args[1])
1349 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1352 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
1355 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
1358 for (nhost = 0; nhost < num_hosts; nhost++)
1360 if (GNUNET_YES != GNUNET_TESTBED_is_host_habitable (hosts[nhost]))
1362 fprintf (stderr, _("Host %s cannot start testbed\n"),
1363 GNUNET_TESTBED_host_get_hostname (hosts[nhost]));
1367 if (num_hosts != nhost)
1369 fprintf (stderr, _("Exiting\n"));
1370 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1375 fprintf (stderr, _("No configuration file given. Exiting\n"));
1376 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1379 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1]))
1381 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
1382 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1385 policy_dir = args[1];
1386 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
1388 fprintf (stderr, _("No search strings file given. Exiting.\n"));
1389 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1392 num_search_strings = load_search_strings (args[2], &search_strings);
1393 if (0 >= num_search_strings || NULL == search_strings)
1395 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
1396 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1400 for (i = 0; i < num_search_strings; i++)
1401 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
1402 cfg = GNUNET_CONFIGURATION_dup (config);
1404 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1411 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1412 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
1420 * @param argc argument count
1421 * @param argv argument values
1422 * @return 0 on success
1425 main (int argc, char *const *argv)
1427 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1428 { 'n', "num-links", "COUNT",
1429 gettext_noop ("create COUNT number of random links"),
1430 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_links },
1431 { 'e', "num-errors", "COUNT",
1432 gettext_noop ("tolerate COUNT number of continious timeout failures"),
1433 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_cont_fails },
1434 { 't', "matching-timeout", "TIMEOUT",
1435 gettext_noop ("wait TIMEOUT seconds before considering a string match as failed"),
1436 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
1437 { 's', "search-delay", "DELAY",
1438 gettext_noop ("wait DELAY minutes before starting string search"),
1439 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
1440 GNUNET_GETOPT_OPTION_END
1444 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1447 result = GNUNET_SYSERR;
1449 GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
1450 _("Profiler for regex/mesh"),
1451 options, &run, NULL);
1452 if (GNUNET_OK != ret)
1454 if (GNUNET_OK != result)