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;
113 * The actual testbed peer handle.
115 struct GNUNET_TESTBED_Peer *peer_handle;
118 * Peer's mesh handle.
120 struct GNUNET_MESH_Handle *mesh_handle;
123 * Peer's mesh tunnel handle.
125 struct GNUNET_MESH_Tunnel *mesh_tunnel_handle;
128 * Host on which the peer is running.
130 struct GNUNET_TESTBED_Host *host_handle;
133 * Testbed operation handle.
135 struct GNUNET_TESTBED_Operation *op_handle;
138 * Filename of the peer's policy file.
144 * Array of peer handles used to pass to
145 * GNUNET_TESTBED_overlay_configure_topology
147 struct GNUNET_TESTBED_Peer **peer_handles;
150 * The array of peers; we fill this as the peers are given to us by the testbed
152 static struct Peer *peers;
155 * Host registration handle
157 static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
160 * Handle to the master controller process
162 struct GNUNET_TESTBED_ControllerProc *mc_proc;
165 * Handle to the master controller
167 struct GNUNET_TESTBED_Controller *mc;
170 * Handle to global configuration
172 struct GNUNET_CONFIGURATION_Handle *cfg;
175 * Head of the operations list
177 struct DLLOperation *dll_op_head;
180 * Tail of the operations list
182 struct DLLOperation *dll_op_tail;
185 * Peer linking - topology operation
187 struct GNUNET_TESTBED_Operation *topology_op;
190 * Abort task identifier
192 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
195 * Host registration task identifier
197 static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
200 * Global event mask for all testbed events
205 * The starting time of a profiling step
207 struct GNUNET_TIME_Absolute prof_start_time;
210 * Duration profiling step has taken
212 struct GNUNET_TIME_Relative prof_time;
217 unsigned int peer_id;
220 * Number of peers to be started by the profiler
222 static unsigned int num_peers;
225 * Number of hosts in the hosts array
227 static unsigned int num_hosts;
230 * Number of random links to be established between peers
232 static unsigned int num_links;
235 * Number of timeout failures to tolerate
237 static unsigned int num_cont_fails;
240 * Number of times we try overlay connect operations
242 static unsigned int retry_links;
245 * Continuous failures during overlay connect operations
247 static unsigned int cont_fails;
250 * Global testing status
255 * current state of profiling
260 * Folder where policy files are stored.
262 static char * policy_dir;
267 static char **search_strings;
270 * Number of search strings.
272 static int num_search_strings;
275 * Number of peers found with search strings.
277 static unsigned int peers_found;
280 * Search task identifier
282 static GNUNET_SCHEDULER_TaskIdentifier search_task;
285 * Search timeout task identifier.
287 static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
290 * Search timeout in seconds.
292 static long search_timeout_sec;
295 * Search wait time in minutes.
297 static long search_wait_min;
304 * @param tc the task context
307 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
309 struct DLLOperation *dll_op;
311 unsigned int peer_cnt;
312 unsigned int search_str_cnt;
314 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
316 if (NULL != peers[peer_cnt].op_handle)
317 GNUNET_TESTBED_operation_cancel (peers[peer_cnt].op_handle);
319 for (search_str_cnt = 0; search_str_cnt < num_search_strings; search_str_cnt++)
321 GNUNET_free (search_strings[search_str_cnt]);
323 GNUNET_free (search_strings);
324 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
325 GNUNET_SCHEDULER_cancel (abort_task);
326 if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
327 GNUNET_SCHEDULER_cancel (register_hosts_task);
328 if (NULL != reg_handle)
329 GNUNET_TESTBED_cancel_registration (reg_handle);
330 if (NULL != topology_op)
331 GNUNET_TESTBED_operation_cancel (topology_op);
332 for (nhost = 0; nhost < num_hosts; nhost++)
333 if (NULL != hosts[nhost])
334 GNUNET_TESTBED_host_destroy (hosts[nhost]);
335 GNUNET_free_non_null (hosts);
336 while (NULL != (dll_op = dll_op_head))
338 GNUNET_TESTBED_operation_cancel (dll_op->op);
339 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
340 GNUNET_free (dll_op);
343 GNUNET_TESTBED_controller_disconnect (mc);
345 GNUNET_TESTBED_controller_stop (mc_proc);
347 GNUNET_CONFIGURATION_destroy (cfg);
349 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
354 * abort task to run on test timed out
357 * @param tc the task context
360 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
362 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting\n");
363 abort_task = GNUNET_SCHEDULER_NO_TASK;
364 result = GNUNET_SYSERR;
365 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
370 * Method called whenever another peer has added us to a tunnel
371 * the other peer initiated.
372 * Only called (once) upon reception of data with a message type which was
373 * subscribed to in GNUNET_MESH_connect. A call to GNUNET_MESH_tunnel_destroy
374 * causes te tunnel to be ignored and no further notifications are sent about
378 * @param tunnel new handle to the tunnel
379 * @param initiator peer that started the tunnel
380 * @param atsi performance information for the tunnel
381 * @return initial tunnel context for the tunnel
382 * (can be NULL -- that's not an error)
385 mesh_inbound_tunnel_handler (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
386 const struct GNUNET_PeerIdentity *initiator,
387 const struct GNUNET_ATS_Information *atsi)
389 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh inbound tunnel handler.\n");
396 * Function called whenever an inbound tunnel is destroyed. Should clean up
397 * any associated state. This function is NOT called if the client has
398 * explicitly asked for the tunnel to be destroyed using
399 * GNUNET_MESH_tunnel_destroy. It must NOT call GNUNET_MESH_tunnel_destroy on
402 * @param cls closure (set from GNUNET_MESH_connect)
403 * @param tunnel connection to the other end (henceforth invalid)
404 * @param tunnel_ctx place where local state associated
405 * with the tunnel is stored
408 mesh_tunnel_end_handler (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
411 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh tunnel end handler.\n");
416 * Method called whenever a peer has disconnected from the tunnel.
417 * Implementations of this callback must NOT call
418 * GNUNET_MESH_tunnel_destroy immediately, but instead schedule those
419 * to run in some other task later. However, calling
420 * "GNUNET_MESH_notify_transmit_ready_cancel" is allowed.
423 * @param peer_id peer identity the tunnel stopped working with
426 mesh_peer_disconnect_handler (void *cls,
427 const struct GNUNET_PeerIdentity * peer_id)
429 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Mesh peer disconnect handler.\n");
434 * Method called whenever a peer has connected to the tunnel.
437 * @param peer_id peer identity the tunnel was created to, NULL on timeout
438 * @param atsi performance data for the connection
442 mesh_peer_connect_handler (void *cls,
443 const struct GNUNET_PeerIdentity* peer_id,
444 const struct GNUNET_ATS_Information * atsi)
446 const char * search_str = (const char *)cls;
452 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
453 "String matching timed out for string %s (%i/%i)\n",
454 search_str, peers_found, num_search_strings);
458 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
459 "String %s successfully matched (%i/%i)\n",
460 search_str, peers_found, num_search_strings);
463 if (peers_found == num_search_strings)
466 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
467 printf ("\nAll strings successfully matched in %.2f minutes\n", ((double)prof_time.rel_value / 1000.0 / 60.0));
469 if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
470 GNUNET_SCHEDULER_cancel (search_timeout_task);
471 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
477 * Connect by string timeout task
480 * @param tc the task context
483 do_connect_by_string_timeout (void *cls,
484 const struct GNUNET_SCHEDULER_TaskContext * tc)
486 long sec = (long)cls;
488 printf ("Searching for all strings did not succeed after %ld seconds\n", sec);
489 printf ("Found %i of %i strings\n", peers_found, num_search_strings);
491 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
496 * Connect by string task that is run to search for a string in the NFA
499 * @param tc the task context
502 do_connect_by_string (void *cls,
503 const struct GNUNET_SCHEDULER_TaskContext * tc)
505 unsigned int search_cnt;
508 for (search_cnt = 0; search_cnt < num_search_strings; search_cnt++)
510 peer = &peers[search_cnt % num_peers];
512 printf ("Searching for string \"%s\" on peer %d with file %s\n",
513 search_strings[search_cnt], (search_cnt % num_peers), peer->policy_file);
515 peer->mesh_tunnel_handle = GNUNET_MESH_tunnel_create (peer->mesh_handle,
517 &mesh_peer_connect_handler,
518 &mesh_peer_disconnect_handler,
519 search_strings[search_cnt]);
520 GNUNET_MESH_peer_request_connect_by_string (peer->mesh_tunnel_handle,
521 search_strings[search_cnt]);
525 prof_start_time = GNUNET_TIME_absolute_get ();
527 search_timeout_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
528 (GNUNET_TIME_UNIT_SECONDS, search_timeout_sec),
529 &do_connect_by_string_timeout, (void *)search_timeout_sec);
534 * Mesh connect callback.
536 * @param cls internal peer id.
537 * @param op operation handle.
538 * @param ca_result connect adapter result.
539 * @param emsg error message.
542 mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
543 void *ca_result, const char *emsg)
545 static unsigned int connected_mesh_handles;
546 struct Peer *peer = (struct Peer *) cls;
555 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Mesh connect failed: %s\n", emsg);
559 GNUNET_assert (peer->op_handle == op);
560 GNUNET_assert (peer->mesh_handle == ca_result);
561 GNUNET_assert (NULL != peer->policy_file);
563 printf ("Announcing regexes for peer with file %s\n", peer->policy_file);
566 if (GNUNET_YES != GNUNET_DISK_file_test (peer->policy_file))
568 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
569 "Could not find policy file %s\n", peer->policy_file);
572 if (GNUNET_OK != GNUNET_DISK_file_size (peer->policy_file, &filesize, GNUNET_YES, GNUNET_YES))
576 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Policy file %s is empty.\n", peer->policy_file);
579 data = GNUNET_malloc (filesize);
580 if (filesize != GNUNET_DISK_fn_read (peer->policy_file, data, filesize))
583 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read policy file %s.\n",
590 while (offset < (filesize - 1))
593 if (((data[offset] == '\n')) && (buf != &data[offset]))
597 GNUNET_assert (NULL != regex);
598 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Announcing regex: %s on peer\n", regex);
599 GNUNET_MESH_announce_regex (peer->mesh_handle, regex);
600 buf = &data[offset + 1];
602 else if ((data[offset] == '\n') || (data[offset] == '\0'))
603 buf = &data[offset + 1];
607 if (++connected_mesh_handles == num_peers)
609 printf ("\nAll mesh handles connected.\nWaiting %ld minutes before starting to search.\n",
612 search_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
613 (GNUNET_TIME_UNIT_MINUTES, search_wait_min),
614 &do_connect_by_string, NULL);
620 * Mesh connect adapter.
622 * @param cls not used.
623 * @param cfg configuration handle.
628 mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
630 GNUNET_MESH_ApplicationType app;
631 struct Peer *peer = (struct Peer *) cls;
633 static struct GNUNET_MESH_MessageHandler handlers[] = {
637 app = (GNUNET_MESH_ApplicationType)0;
640 GNUNET_MESH_connect (cfg, cls, NULL, NULL, handlers, &app);
642 return peer->mesh_handle;
647 * Adapter function called to destroy a connection to
651 * @param op_result service handle returned from the connect adapter
654 mesh_da (void *cls, void *op_result)
656 struct Peer *peer = (struct Peer *) cls;
658 GNUNET_assert (peer->mesh_handle == op_result);
660 if (NULL != peer->mesh_tunnel_handle)
662 GNUNET_MESH_tunnel_destroy (peer->mesh_tunnel_handle);
663 peer->mesh_tunnel_handle = NULL;
666 if (NULL != peer->mesh_handle)
668 GNUNET_MESH_disconnect (peer->mesh_handle);
669 peer->mesh_handle = NULL;
675 * Functions of this signature are called when a peer has been successfully
676 * started or stopped.
678 * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
679 * @param emsg NULL on success; otherwise an error description
682 peer_churn_cb (void *cls, const char *emsg)
684 struct DLLOperation *dll_op = cls;
685 struct GNUNET_TESTBED_Operation *op;
686 static unsigned int started_peers;
687 unsigned int peer_cnt;
690 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
691 GNUNET_free (dll_op);
694 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
695 _("An operation has failed while starting peers\n"));
696 GNUNET_TESTBED_operation_done (op);
697 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
698 GNUNET_SCHEDULER_cancel (abort_task);
699 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
702 GNUNET_TESTBED_operation_done (op);
703 if (++started_peers == num_peers)
705 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
706 printf ("All peers started successfully in %.2f seconds\n",
707 ((double) prof_time.rel_value) / 1000.00);
711 num_links = num_peers * 5;
713 peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
714 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
715 peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
717 state = STATE_PEERS_LINKING;
718 /* Do overlay connect */
719 prof_start_time = GNUNET_TIME_absolute_get ();
721 GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
722 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
724 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
725 if (NULL == topology_op)
727 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
728 "Cannot create topology, op handle was NULL\n");
736 * Functions of this signature are called when a peer has been successfully
739 * @param cls the closure from GNUNET_TESTBED_peer_create()
740 * @param peer the handle for the created peer; NULL on any error during
742 * @param emsg NULL if peer is not NULL; else MAY contain the error description
745 peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
747 struct DLLOperation *dll_op = cls;
748 struct Peer *peer_ptr;
749 static unsigned int created_peers;
750 unsigned int peer_cnt;
754 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
755 _("Creating a peer failed. Error: %s\n"), emsg);
756 GNUNET_TESTBED_operation_done (dll_op->op);
757 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
758 GNUNET_free (dll_op);
759 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
760 GNUNET_SCHEDULER_cancel (abort_task);
761 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
765 peer_ptr = dll_op->cls;
766 GNUNET_assert (NULL == peer_ptr->peer_handle);
767 peer_ptr->peer_handle = peer;
768 GNUNET_TESTBED_operation_done (dll_op->op);
769 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
770 GNUNET_free (dll_op);
772 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
774 GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
776 if (++created_peers == num_peers)
778 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
779 printf ("All peers created successfully in %.2f seconds\n",
780 ((double) prof_time.rel_value) / 1000.00);
781 /* Now peers are to be started */
782 state = STATE_PEERS_STARTING;
783 prof_start_time = GNUNET_TIME_absolute_get ();
784 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
786 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
787 dll_op->op = GNUNET_TESTBED_peer_start (dll_op, peers[peer_cnt].peer_handle,
788 &peer_churn_cb, dll_op);
789 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
795 * Function called with a filename.
798 * @param filename complete filename (absolute path)
799 * @return GNUNET_OK to continue to iterate,
800 * GNUNET_SYSERR to abort iteration with error!
803 policy_filename_cb (void *cls, const char *filename)
805 static unsigned int peer_cnt;
806 struct DLLOperation *dll_op;
808 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer %i on host %s for policy file %s\n",
810 GNUNET_TESTBED_host_get_hostname (hosts[peer_cnt % num_hosts]),
813 peers[peer_cnt].policy_file = GNUNET_strdup (filename);
814 peers[peer_cnt].host_handle = hosts[peer_cnt % num_hosts];
815 peers[peer_cnt].mesh_handle = NULL;
816 peers[peer_cnt].mesh_tunnel_handle = NULL;
818 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
819 dll_op->cls = &peers[peer_cnt];
820 dll_op->op = GNUNET_TESTBED_peer_create (mc,
821 hosts[peer_cnt % num_hosts],
825 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
833 * Controller event callback
836 * @param event the controller event
839 controller_event_cb (void *cls,
840 const struct GNUNET_TESTBED_EventInformation *event)
842 struct DLLOperation *dll_op;
843 struct GNUNET_TESTBED_Operation *op;
847 case STATE_SLAVES_STARTING:
850 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
852 static unsigned int slaves_started;
854 dll_op = event->details.operation_finished.op_cls;
855 GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
856 GNUNET_free (dll_op);
857 op = event->details.operation_finished.operation;
858 if (NULL != event->details.operation_finished.emsg)
860 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
861 _("An operation has failed while starting slaves\n"));
862 GNUNET_TESTBED_operation_done (op);
863 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
864 GNUNET_SCHEDULER_cancel (abort_task);
865 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
868 GNUNET_TESTBED_operation_done (op);
869 /* Proceed to start peers */
870 if (++slaves_started == num_hosts - 1)
872 printf ("All slaves started successfully\n");
874 state = STATE_PEERS_CREATING;
875 prof_start_time = GNUNET_TIME_absolute_get ();
877 num_peers = GNUNET_DISK_directory_scan (policy_dir,
880 peers = GNUNET_malloc (sizeof (struct Peer) * num_peers);
882 GNUNET_DISK_directory_scan (policy_dir,
892 case STATE_PEERS_STARTING:
895 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
896 /* Control reaches here when peer start fails */
897 case GNUNET_TESTBED_ET_PEER_START:
898 /* we handle peer starts in peer_churn_cb */
904 case STATE_PEERS_LINKING:
907 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
908 /* Control reaches here when a peer linking operation fails */
909 if (NULL != event->details.operation_finished.emsg)
911 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
912 _("An operation has failed while linking\n"));
914 if (++cont_fails > num_cont_fails)
916 printf ("\nAborting due to very high failure rate");
917 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
918 GNUNET_SCHEDULER_cancel (abort_task);
919 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
923 case GNUNET_TESTBED_ET_CONNECT:
925 static unsigned int established_links;
926 unsigned int peer_cnt;
928 if (0 == established_links)
929 printf ("Establishing links\n .");
935 if (++established_links == num_links)
937 prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
938 printf ("\n%u links established in %.2f seconds\n",
939 num_links, ((double) prof_time.rel_value) / 1000.00);
941 GNUNET_free (peer_handles);
942 printf ("\nConnecting to mesh service...\n");
943 for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
945 peers[peer_cnt].op_handle = GNUNET_TESTBED_service_connect (NULL,
946 peers[peer_cnt].peer_handle,
968 * Task to register all hosts available in the global host list
971 * @param tc the scheduler task context
974 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
978 * Callback which will be called to after a host registration succeeded or failed
980 * @param cls the closure
981 * @param emsg the error message; NULL if host registration is successful
984 host_registration_completion (void *cls, const char *emsg)
989 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
990 _("Host registration failed for a host. Error: %s\n"), emsg);
991 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
992 GNUNET_SCHEDULER_cancel (abort_task);
993 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
996 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1001 * Task to register all hosts available in the global host list
1004 * @param tc the scheduler task context
1007 register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
1009 struct DLLOperation *dll_op;
1010 static unsigned int reg_host;
1013 register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
1014 if (reg_host == num_hosts - 1)
1016 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1017 "All hosts successfully registered\n");
1019 state = STATE_SLAVES_STARTING;
1020 for (slave = 1; slave < num_hosts; slave++)
1022 dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
1023 dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
1029 GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
1033 reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
1034 host_registration_completion,
1040 * Callback to signal successfull startup of the controller process
1042 * @param cls the closure from GNUNET_TESTBED_controller_start()
1043 * @param config the configuration with which the controller has been started;
1044 * NULL if status is not GNUNET_OK
1045 * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
1046 * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
1049 status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
1051 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
1052 GNUNET_SCHEDULER_cancel (abort_task);
1053 if (GNUNET_OK != status)
1056 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1060 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
1061 event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
1062 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
1063 event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
1064 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
1065 mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
1066 &controller_event_cb, NULL);
1069 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1070 _("Unable to connect to master controller -- Check config\n"));
1071 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
1074 register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
1075 abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
1080 * Load search strings from given filename. One search string per line.
1082 * @param filename filename of the file containing the search strings.
1083 * @param strings set of strings loaded from file. Caller needs to free this
1084 * if number returned is greater than zero.
1085 * @return number of strings found in the file. GNUNET_SYSERR on error.
1088 load_search_strings (const char *filename, char ***strings)
1093 unsigned int offset;
1097 if (NULL == filename)
1099 return GNUNET_SYSERR;
1102 if (GNUNET_YES != GNUNET_DISK_file_test (filename))
1104 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1105 "Could not find search strings file %s\n", filename);
1106 return GNUNET_SYSERR;
1108 if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
1112 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
1113 return GNUNET_SYSERR;
1115 data = GNUNET_malloc (filesize);
1116 if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
1119 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
1121 return GNUNET_SYSERR;
1126 while (offset < (filesize - 1))
1129 if (((data[offset] == '\n')) && (buf != &data[offset]))
1131 data[offset] = '\0';
1133 buf = &data[offset + 1];
1135 else if ((data[offset] == '\n') || (data[offset] == '\0'))
1136 buf = &data[offset + 1];
1138 *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
1140 for (i = 0; i < str_cnt; i++)
1142 (*strings)[i] = GNUNET_strdup (&data[offset]);
1143 offset += strlen ((*strings)[i]) + 1;
1150 * Main function that will be run by the scheduler.
1152 * @param cls closure
1153 * @param args remaining command-line arguments
1154 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
1155 * @param config configuration
1158 run (void *cls, char *const *args, const char *cfgfile,
1159 const struct GNUNET_CONFIGURATION_Handle *config)
1163 if (NULL == args[0])
1165 fprintf (stderr, _("No hosts-file specified on command line. Exiting.\n"));
1168 if (NULL == args[1])
1170 fprintf (stderr, _("No policy directory specified on command line. Exiting.\n"));
1173 num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], &hosts);
1176 fprintf (stderr, _("No hosts loaded. Need at least one host\n"));
1179 for (nhost = 0; nhost < num_hosts; nhost++)
1181 if (GNUNET_YES != GNUNET_TESTBED_is_host_habitable (hosts[nhost]))
1183 fprintf (stderr, _("Host %s cannot start testbed\n"),
1184 GNUNET_TESTBED_host_get_hostname (hosts[nhost]));
1188 if (num_hosts != nhost)
1190 fprintf (stderr, _("Exiting\n"));
1191 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1196 fprintf (stderr, _("No configuration file given. Exiting\n"));
1197 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1200 if (GNUNET_YES != GNUNET_DISK_directory_test (args[1]))
1202 fprintf (stderr, _("Specified policies directory does not exist. Exiting.\n"));
1203 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1206 policy_dir = args[1];
1207 if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
1209 fprintf (stderr, _("No search strings file given. Exiting.\n"));
1210 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1213 num_search_strings = load_search_strings (args[2], &search_strings);
1214 if (0 >= num_search_strings || NULL == search_strings)
1216 fprintf (stderr, _("Error loading search strings. Exiting.\n"));
1217 GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
1221 for (i = 0; i < num_search_strings; i++)
1222 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
1223 cfg = GNUNET_CONFIGURATION_dup (config);
1225 GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
1232 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
1233 (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
1241 * @param argc argument count
1242 * @param argv argument values
1243 * @return 0 on success
1246 main (int argc, char *const *argv)
1248 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
1249 { 'n', "num-links", "COUNT",
1250 gettext_noop ("create COUNT number of random links"),
1251 GNUNET_NO, &GNUNET_GETOPT_set_uint, &num_links },
1252 { 'e', "num-errors", "COUNT",
1253 gettext_noop ("tolerate COUNT number of continious timeout failures"),
1254 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_cont_fails },
1255 { 't', "matching-timeout", "TIMEOUT",
1256 gettext_noop ("wait TIMEOUT seconds before considering a string match as failed"),
1257 GNUNET_YES, &GNUNET_GETOPT_set_uint, &search_timeout_sec },
1258 { 's', "search-wait", "WAIT",
1259 gettext_noop ("wait WAIT minutes before starting string search"),
1260 GNUNET_YES, &GNUNET_GETOPT_set_uint, &search_wait_min },
1261 GNUNET_GETOPT_OPTION_END
1265 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
1268 result = GNUNET_SYSERR;
1270 GNUNET_PROGRAM_run (argc, argv, "gnunet-regex-profiler [OPTIONS] hosts-file policy-dir search-strings-file",
1271 _("Profiler for regex/mesh"),
1272 options, &run, NULL);
1273 if (GNUNET_OK != ret)
1275 if (GNUNET_OK != result)