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 };
324 * File to log statistics to.
326 static struct GNUNET_DISK_FileHandle *data_file;
329 * Filename to log statistics to.
331 static char *data_filename;
338 * @param tc the task context
341 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
343 struct DLLOperation *dll_op;
345 unsigned int peer_cnt;
346 unsigned int search_str_cnt;
348 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
350 if (NULL != peers[peer_cnt].mesh_op_handle)
351 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].mesh_op_handle);
352 if (NULL != peers[peer_cnt].stats_op_handle)
353 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].stats_op_handle);
355 for (search_str_cnt = 0; search_str_cnt < num_search_strings; search_str_cnt++)
357 GNUNET_free (search_strings[search_str_cnt]);
359 GNUNET_free (search_strings);
360 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
361 GNUNET_SCHEDULER_cancel (abort_task);
362 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
363 GNUNET_SCHEDULER_cancel (register_hosts_task);
364 if (NULL != reg_handle)
365 GNUNET_TESTBED_cancel_registration (reg_handle);
366 if (NULL != topology_op)
367 GNUNET_TESTBED_operation_cancel (topology_op);
368 for (nhost = 0; nhost < num_hosts; nhost++)
369 if (NULL != hosts[nhost])
370 GNUNET_TESTBED_host_destroy (hosts[nhost]);
371 GNUNET_free_non_null (hosts);
372 while (NULL != (dll_op = dll_op_head))
374 GNUNET_TESTBED_operation_cancel (dll_op->op);
375 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
376 GNUNET_free (dll_op);
379 GNUNET_TESTBED_controller_disconnect (mc);
381 GNUNET_TESTBED_controller_stop (mc_proc);
383 GNUNET_CONFIGURATION_destroy (cfg);
384 if (NULL != data_file)
385 GNUNET_DISK_file_close (data_file);
387 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
392 * abort task to run on test timed out
395 * @param tc the task context
398 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
400 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting\n");
401 abort_task = GNUNET_SCHEDULER_NO_TASK;
402 result = GNUNET_SYSERR;
403 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
407 /******************************************************************************/
408 /********************* STATISTICS SERVICE CONNECTIONS ***********************/
409 /******************************************************************************/
412 * Adapter function called to establish a connection to
413 * statistics service.
416 * @param cfg configuration of the peer to connect to; will be available until
417 * GNUNET_TESTBED_operation_done() is called on the operation returned
418 * from GNUNET_TESTBED_service_connect()
419 * @return service handle to return in 'op_result', NULL on error
422 stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
424 return GNUNET_STATISTICS_create ("<driver>", cfg);
429 * Adapter function called to destroy a connection to
430 * statistics service.
433 * @param op_result service handle returned from the connect adapter
436 stats_da (void *cls, void *op_result)
438 GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
443 * Process statistic values.
446 * @param subsystem name of subsystem that created the statistic
447 * @param name the name of the datum
448 * @param value the current value
449 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
450 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
453 stats_iterator (void *cls, const char *subsystem, const char *name,
454 uint64_t value, int is_persistent)
456 struct RegexPeer *peer = cls;
457 char output_buffer[512];
460 if (NULL == data_file)
462 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
463 "%p -> %s [%s]: %llu\n",
464 peer, subsystem, name, value);
468 GNUNET_snprintf (output_buffer,
469 sizeof (output_buffer),
472 subsystem, name, value);
473 if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
474 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
484 * @param success GNUNET_OK if statistics were
485 * successfully obtained, GNUNET_SYSERR if not.
491 static unsigned int peer_cnt;
492 struct RegexPeer *peer = cls;
494 if (GNUNET_OK != success)
496 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
497 "Getting statistics for peer %u failed!\n",
502 if (++peer_cnt == num_peers)
504 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
510 * Function called by testbed once we are connected to stats service.
512 * @param cls the 'struct RegexPeer' for which we connected to stats
513 * @param op connect operation handle
514 * @param ca_result handle to stats service
515 * @param emsg error message on failure
518 stats_connect_cb (void *cls,
519 struct GNUNET_TESTBED_Operation *op,
523 struct RegexPeer *peer = cls;
525 if (NULL == ca_result)
527 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
528 "Failed to connect to statistics service on peer %u: %s\n",
530 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
534 peer->stats_handle = ca_result;
538 /******************************************************************************/
539 /************************ MESH SERVICE CONNECTIONS **************************/
540 /******************************************************************************/
543 * Method called whenever another peer has added us to a tunnel
544 * the other peer initiated.
545 * Only called (once) upon reception of data with a message type which was
546 * subscribed to in GNUNET_MESH_connect. A call to GNUNET_MESH_tunnel_destroy
547 * causes te tunnel to be ignored and no further notifications are sent about
551 * @param tunnel new handle to the tunnel
552 * @param initiator peer that started the tunnel
553 * @param atsi performance information for the tunnel
554 * @return initial tunnel context for the tunnel
555 * (can be NULL -- that's not an error)
558 mesh_inbound_tunnel_handler (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
559 const struct GNUNET_PeerIdentity *initiator,
560 const struct GNUNET_ATS_Information *atsi)
562 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh inbound tunnel handler.\n");
569 * Function called whenever an inbound tunnel is destroyed. Should clean up
570 * any associated state. This function is NOT called if the client has
571 * explicitly asked for the tunnel to be destroyed using
572 * GNUNET_MESH_tunnel_destroy. It must NOT call GNUNET_MESH_tunnel_destroy on
575 * @param cls closure (set from GNUNET_MESH_connect)
576 * @param tunnel connection to the other end (henceforth invalid)
577 * @param tunnel_ctx place where local state associated
578 * with the tunnel is stored
581 mesh_tunnel_end_handler (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
584 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh tunnel end handler.\n");
589 * Method called whenever a peer has disconnected from the tunnel.
590 * Implementations of this callback must NOT call
591 * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
592 * to run in some other task later. However, calling
593 * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
596 * @param peer_id peer identity the tunnel stopped working with
599 mesh_peer_disconnect_handler (void *cls,
600 const struct GNUNET_PeerIdentity * peer_id)
602 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh peer disconnect handler.\n");
607 * Method called whenever a peer has connected to the tunnel.
610 * @param peer_id peer identity the tunnel was created to, NULL on timeout
611 * @param atsi performance data for the connection
615 mesh_peer_connect_handler (void *cls,
616 const struct GNUNET_PeerIdentity* peer_id,
617 const struct GNUNET_ATS_Information * atsi)
619 struct RegexPeer *peer = cls;
625 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
626 "String matching timed out for string %s on peer %u (%i/%i)\n",
627 peer->search_str, peer->id, peers_found, num_search_strings);
631 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
632 "String %s successfully matched on peer %u (%i/%i)\n",
633 peer->search_str, peer->id, peers_found, num_search_strings);
635 if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, "mesh", NULL,
636 GNUNET_TIME_UNIT_FOREVER_REL,
638 &stats_iterator, peer))
640 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
641 "Could not get statistics of peer %u!\n", peer->id);
645 if (peers_found == num_search_strings)
648 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
649 printf ("\nAll strings successfully matched in %.2f minutes\n", ((double)prof_time.rel_value / 1000.0 / 60.0));
651 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
652 GNUNET_SCHEDULER_cancel (search_timeout_task);
655 GNUNET_TESTBED_get_statistics (num_peers,
657 &statistics_iterator,
658 &stats_finished_callback,
666 * Connect by string timeout task
669 * @param tc the task context
672 do_connect_by_string_timeout (void *cls,
673 const struct GNUNET_SCHEDULER_TaskContext * tc)
675 printf ("Searching for all strings did not succeed after %s.\n",
676 GNUNET_STRINGS_relative_time_to_string (search_timeout, GNUNET_NO));
677 printf ("Found %i of %i strings\n", peers_found, num_search_strings);
679 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
684 * Connect by string task that is run to search for a string in the NFA
687 * @param tc the task context
690 do_connect_by_string (void *cls,
691 const struct GNUNET_SCHEDULER_TaskContext * tc)
693 unsigned int search_cnt;
694 struct RegexPeer *peer;
696 for (search_cnt = 0; search_cnt < num_search_strings; search_cnt++)
698 peer = &peers[search_cnt % num_peers];
699 peer->search_str = search_strings[search_cnt];
701 printf ("Searching for string \"%s\" on peer %d with file %s\n",
702 peer->search_str, (search_cnt % num_peers), peer->policy_file);
704 peer->mesh_tunnel_handle = GNUNET_MESH_tunnel_create (peer->mesh_handle,
706 &mesh_peer_connect_handler,
707 &mesh_peer_disconnect_handler,
710 GNUNET_MESH_peer_request_connect_by_string (peer->mesh_tunnel_handle,
714 prof_start_time = GNUNET_TIME_absolute_get ();
716 search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout,
717 &do_connect_by_string_timeout, NULL);
722 * Mesh connect callback.
724 * @param cls internal peer id.
725 * @param op operation handle.
726 * @param ca_result connect adapter result.
727 * @param emsg error message.
730 mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
731 void *ca_result, const char *emsg)
733 static unsigned int connected_mesh_handles;
734 struct RegexPeer *peer = (struct RegexPeer *) cls;
743 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Mesh connect failed: %s\n", emsg);
747 GNUNET_assert (peer->mesh_op_handle == op);
748 GNUNET_assert (peer->mesh_handle == ca_result);
749 GNUNET_assert (NULL != peer->policy_file);
751 printf ("Announcing regexes for peer with file %s\n", peer->policy_file);
754 if (GNUNET_YES != GNUNET_DISK_file_test (peer->policy_file))
756 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
757 "Could not find policy file %s\n", peer->policy_file);
760 if (GNUNET_OK != GNUNET_DISK_file_size (peer->policy_file, &filesize, GNUNET_YES, GNUNET_YES))
764 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Policy file %s is empty.\n", peer->policy_file);
767 data = GNUNET_malloc (filesize);
768 if (filesize != GNUNET_DISK_fn_read (peer->policy_file, data, filesize))
771 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read policy file %s.\n",
778 while (offset < (filesize - 1))
781 if (((data[offset] == '\n')) && (buf != &data[offset]))
785 GNUNET_assert (NULL != regex);
786 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s on peer\n", regex);
787 GNUNET_MESH_announce_regex (peer->mesh_handle, regex);
788 buf = &data[offset + 1];
790 else if ((data[offset] == '\n') || (data[offset] == '\0'))
791 buf = &data[offset + 1];
795 if (++connected_mesh_handles == num_peers)
797 printf ("\nAll mesh handles connected.\nWaiting %s before starting to search.\n",
798 GNUNET_STRINGS_relative_time_to_string (search_delay, GNUNET_YES));
800 search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
801 &do_connect_by_string, NULL);
807 * Mesh connect adapter.
809 * @param cls not used.
810 * @param cfg configuration handle.
815 mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
817 GNUNET_MESH_ApplicationType app;
818 struct RegexPeer *peer = cls;
820 static struct GNUNET_MESH_MessageHandler handlers[] = {
824 app = (GNUNET_MESH_ApplicationType)0;
827 GNUNET_MESH_connect (cfg, cls, NULL, NULL, handlers, &app);
829 return peer->mesh_handle;
834 * Adapter function called to destroy a connection to
838 * @param op_result service handle returned from the connect adapter
841 mesh_da (void *cls, void *op_result)
843 struct RegexPeer *peer = (struct RegexPeer *) cls;
845 GNUNET_assert (peer->mesh_handle == op_result);
847 if (NULL != peer->mesh_tunnel_handle)
849 GNUNET_MESH_tunnel_destroy (peer->mesh_tunnel_handle);
850 peer->mesh_tunnel_handle = NULL;
853 if (NULL != peer->mesh_handle)
855 GNUNET_MESH_disconnect (peer->mesh_handle);
856 peer->mesh_handle = NULL;
861 /******************************************************************************/
862 /*************************** TESTBED PEER SETUP *****************************/
863 /******************************************************************************/
867 * Functions of this signature are called when a peer has been successfully
868 * started or stopped.
870 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
871 * @param emsg NULL on success; otherwise an error description
874 peer_churn_cb (void *cls, const char *emsg)
876 struct DLLOperation *dll_op = cls;
877 struct GNUNET_TESTBED_Operation *op;
878 static unsigned int started_peers;
879 unsigned int peer_cnt;
882 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
883 GNUNET_free (dll_op);
886 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
887 _("An operation has failed while starting peers\n"));
888 GNUNET_TESTBED_operation_done (op);
889 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
890 GNUNET_SCHEDULER_cancel (abort_task);
891 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
894 GNUNET_TESTBED_operation_done (op);
895 if (++started_peers == num_peers)
897 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
898 printf ("All peers started successfully in %.2f seconds\n",
899 ((double) prof_time.rel_value) / 1000.00);
903 num_links = num_peers * 5;
905 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
906 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
907 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
909 state = STATE_PEERS_LINKING;
910 /* Do overlay connect */
911 prof_start_time = GNUNET_TIME_absolute_get ();
913 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
914 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
916 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
917 if (NULL == topology_op)
919 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
920 "Cannot create topology, op handle was NULL\n");
928 * Functions of this signature are called when a peer has been successfully
931 * @param cls the closure from GNUNET_TESTBED_peer_create()
932 * @param peer the handle for the created peer; NULL on any error during
934 * @param emsg NULL if peer is not NULL; else MAY contain the error description
937 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
939 struct DLLOperation *dll_op = cls;
940 struct RegexPeer *peer_ptr;
941 static unsigned int created_peers;
942 unsigned int peer_cnt;
946 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
947 _("Creating a peer failed. Error: %s\n"), emsg);
948 GNUNET_TESTBED_operation_done (dll_op->op);
949 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
950 GNUNET_free (dll_op);
951 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
952 GNUNET_SCHEDULER_cancel (abort_task);
953 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
957 peer_ptr = dll_op->cls;
958 GNUNET_assert (NULL == peer_ptr->peer_handle);
959 peer_ptr->peer_handle = peer;
960 GNUNET_TESTBED_operation_done (dll_op->op);
961 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
962 GNUNET_free (dll_op);
964 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
966 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
968 if (++created_peers == num_peers)
970 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
971 printf ("All peers created successfully in %.2f seconds\n",
972 ((double) prof_time.rel_value) / 1000.00);
973 /* Now peers are to be started */
974 state = STATE_PEERS_STARTING;
975 prof_start_time = GNUNET_TIME_absolute_get ();
976 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
978 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
979 dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
980 &peer_churn_cb, dll_op);
981 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
987 * Function called with a filename.
990 * @param filename complete filename (absolute path)
991 * @return GNUNET_OK to continue to iterate,
992 * GNUNET_SYSERR to abort iteration with error!
995 policy_filename_cb (void *cls, const char *filename)
997 static unsigned int peer_cnt;
998 struct DLLOperation *dll_op;
1000 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer %i on host %s for policy file %s\n",
1002 GNUNET_TESTBED_host_get_hostname (hosts[peer_cnt % num_hosts]),
1005 peers[peer_cnt].id = peer_cnt;
1006 peers[peer_cnt].policy_file = GNUNET_strdup (filename);
1007 peers[peer_cnt].host_handle = hosts[peer_cnt % num_hosts];
1008 peers[peer_cnt].mesh_handle = NULL;
1009 peers[peer_cnt].mesh_tunnel_handle = NULL;
1010 peers[peer_cnt].stats_handle = NULL;
1011 peers[peer_cnt].stats_op_handle = NULL;
1013 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1014 dll_op->cls = &peers[peer_cnt];
1015 dll_op->op = GNUNET_TESTBED_peer_create (mc,
1016 hosts[peer_cnt % num_hosts],
1020 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1028 * Controller event callback.
1031 * @param event the controller event
1034 controller_event_cb (void *cls,
1035 const struct GNUNET_TESTBED_EventInformation *event)
1037 struct DLLOperation *dll_op;
1038 struct GNUNET_TESTBED_Operation *op;
1042 case STATE_SLAVES_STARTING:
1043 switch (event->type)
1045 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1047 static unsigned int slaves_started;
1049 dll_op = event->details.operation_finished.op_cls;
1050 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
1051 GNUNET_free (dll_op);
1052 op = event->details.operation_finished.operation;
1053 if (NULL != event->details.operation_finished.emsg)
1055 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1056 _("An operation has failed while starting slaves\n"));
1057 GNUNET_TESTBED_operation_done (op);
1058 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1059 GNUNET_SCHEDULER_cancel (abort_task);
1060 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1063 GNUNET_TESTBED_operation_done (op);
1064 /* Proceed to start peers */
1065 if (++slaves_started == num_hosts - 1)
1067 printf ("All slaves started successfully\n");
1069 state = STATE_PEERS_CREATING;
1070 prof_start_time = GNUNET_TIME_absolute_get ();
1072 num_peers = GNUNET_DISK_directory_scan (policy_dir,
1075 peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
1077 GNUNET_DISK_directory_scan (policy_dir,
1078 &policy_filename_cb,
1087 case STATE_PEERS_STARTING:
1088 switch (event->type)
1090 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1091 /* Control reaches here when peer start fails */
1092 case GNUNET_TESTBED_ET_PEER_START:
1093 /* we handle peer starts in peer_churn_cb */
1099 case STATE_PEERS_LINKING:
1100 switch (event->type)
1102 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
1103 /* Control reaches here when a peer linking operation fails */
1104 if (NULL != event->details.operation_finished.emsg)
1106 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1107 _("An operation has failed while linking\n"));
1109 if (++cont_fails > num_cont_fails)
1111 printf ("\nAborting due to very high failure rate");
1112 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1113 GNUNET_SCHEDULER_cancel (abort_task);
1114 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1118 case GNUNET_TESTBED_ET_CONNECT:
1120 static unsigned int established_links;
1121 unsigned int peer_cnt;
1123 if (0 == established_links)
1124 printf ("Establishing links\n .");
1130 if (++established_links == num_links)
1132 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
1133 printf ("\n%u links established in %.2f seconds\n",
1134 num_links, ((double) prof_time.rel_value) / 1000.00);
1136 GNUNET_free (peer_handles);
1137 printf ("\nConnecting to mesh and statistics service...\n");
1138 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
1140 peers[peer_cnt].mesh_op_handle =
1141 GNUNET_TESTBED_service_connect (NULL,
1142 peers[peer_cnt].peer_handle,
1150 peers[peer_cnt].stats_op_handle =
1151 GNUNET_TESTBED_service_connect (NULL,
1152 peers[peer_cnt].peer_handle,
1174 * Task to register all hosts available in the global host list
1177 * @param tc the scheduler task context
1180 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
1184 * Callback which will be called to after a host registration succeeded or failed
1186 * @param cls the closure
1187 * @param emsg the error message; NULL if host registration is successful
1190 host_registration_completion (void *cls, const char *emsg)
1195 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1196 _("Host registration failed for a host. Error: %s\n"), emsg);
1197 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1198 GNUNET_SCHEDULER_cancel (abort_task);
1199 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1202 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1207 * Task to register all hosts available in the global host list
1210 * @param tc the scheduler task context
1213 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1215 struct DLLOperation *dll_op;
1216 static unsigned int reg_host;
1219 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1220 if (reg_host == num_hosts - 1)
1222 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1223 "All hosts successfully registered\n");
1225 state = STATE_SLAVES_STARTING;
1226 for (slave = 1; slave < num_hosts; slave++)
1228 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1229 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1235 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1239 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1240 host_registration_completion,
1246 * Callback to signal successfull startup of the controller process
1248 * @param cls the closure from GNUNET_TESTBED_controller_start()
1249 * @param config the configuration with which the controller has been started;
1250 * NULL if status is not GNUNET_OK
1251 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1252 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1255 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1257 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1258 GNUNET_SCHEDULER_cancel (abort_task);
1259 if (GNUNET_OK != status)
1262 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1266 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1267 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1268 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1269 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1270 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1271 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1272 &controller_event_cb, NULL);
1275 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1276 _("Unable to connect to master controller -- Check config\n"));
1277 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1280 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1281 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1286 * Load search strings from given filename. One search string per line.
1288 * @param filename filename of the file containing the search strings.
1289 * @param strings set of strings loaded from file. Caller needs to free this
1290 * if number returned is greater than zero.
1291 * @return number of strings found in the file. GNUNET_SYSERR on error.
1294 load_search_strings (const char *filename, char ***strings)
1299 unsigned int offset;
1303 if (NULL == filename)
1305 return GNUNET_SYSERR;
1308 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1310 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1311 "Could not find search strings file %s\n", filename);
1312 return GNUNET_SYSERR;
1314 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1318 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1319 return GNUNET_SYSERR;
1321 data = GNUNET_malloc (filesize);
1322 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1325 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1327 return GNUNET_SYSERR;
1332 while (offset < (filesize - 1))
1335 if (((data[offset] == '\n')) && (buf != &data[offset]))
1337 data[offset] = '\0';
1339 buf = &data[offset + 1];
1341 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1342 buf = &data[offset + 1];
1344 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1346 for (i = 0; i < str_cnt; i++)
1348 (*strings)[i] = GNUNET_strdup (&data[offset]);
1349 offset += strlen ((*strings)[i]) + 1;
1356 * Main function that will be run by the scheduler.
1358 * @param cls closure
1359 * @param args remaining command-line arguments
1360 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1361 * @param config configuration
1364 run (void *cls, char *const *args, const char *cfgfile,
1365 const struct GNUNET_CONFIGURATION_Handle *config)
1369 if (NULL == args[0])
1371 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1374 if (NULL == args[1])
1376 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1379 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
1382 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
1385 for (nhost = 0; nhost < num_hosts; nhost++)
1387 if (GNUNET_YES != GNUNET_TESTBED_is_host_habitable (hosts[nhost]))
1389 fprintf (stderr, _("Host %s cannot start testbed\n"),
1390 GNUNET_TESTBED_host_get_hostname (hosts[nhost]));
1394 if (num_hosts != nhost)
1396 fprintf (stderr, _("Exiting\n"));
1397 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1402 fprintf (stderr, _("No configuration file given. Exiting\n"));
1403 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1406 if ( (NULL != data_filename) &&
1407 (NULL == (data_file =
1408 GNUNET_DISK_file_open (data_filename,
1409 GNUNET_DISK_OPEN_READWRITE |
1410 GNUNET_DISK_OPEN_TRUNCATE |
1411 GNUNET_DISK_OPEN_CREATE,
1412 GNUNET_DISK_PERM_USER_READ |
1413 GNUNET_DISK_PERM_USER_WRITE))) )
1414 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
1417 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1]))
1419 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
1420 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1423 policy_dir = args[1];
1424 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
1426 fprintf (stderr, _("No search strings file given. Exiting.\n"));
1427 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1430 num_search_strings = load_search_strings (args[2], &search_strings);
1431 if (0 >= num_search_strings || NULL == search_strings)
1433 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
1434 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1438 for (i = 0; i < num_search_strings; i++)
1439 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
1440 cfg = GNUNET_CONFIGURATION_dup (config);
1442 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1449 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1450 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
1458 * @param argc argument count
1459 * @param argv argument values
1460 * @return 0 on success
1463 main (int argc, char *const *argv)
1465 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1466 {'d', "details", "FILENAME",
1467 gettext_noop ("name of the file for writing statistics"),
1468 1, &GNUNET_GETOPT_set_string, &data_filename},
1469 { 'n', "num-links", "COUNT",
1470 gettext_noop ("create COUNT number of random links"),
1471 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_links },
1472 { 'e', "num-errors", "COUNT",
1473 gettext_noop ("tolerate COUNT number of continious timeout failures"),
1474 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_cont_fails },
1475 { 't', "matching-timeout", "TIMEOUT",
1476 gettext_noop ("wait TIMEOUT seconds before considering a string match as failed"),
1477 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout },
1478 { 's', "search-delay", "DELAY",
1479 gettext_noop ("wait DELAY minutes before starting string search"),
1480 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
1481 GNUNET_GETOPT_OPTION_END
1485 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1488 result = GNUNET_SYSERR;
1490 GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
1491 _("Profiler for regex/mesh"),
1492 options, &run, NULL);
1493 if (GNUNET_OK != ret)
1495 if (GNUNET_OK != result)