2 This file is part of GNUnet
3 (C) 2008-2011 Christian Grothoff (and other contributing authors)
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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
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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.
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16 along with GNUnet; see the file COPYING. If not, write to the
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18 Boston, MA 02111-1307, USA.
22 * @file testing/testing_peergroup.c
23 * @brief API implementation for easy peer group creation
24 * @author Nathan Evans
25 * @author Christian Grothoff
29 #include "gnunet_constants.h"
30 #include "gnunet_arm_service.h"
31 #include "gnunet_testing_lib.h"
32 #include "gnunet_core_service.h"
33 #include "gnunet_disk_lib.h"
36 #define DEFAULT_CONNECT_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
38 #define DEFAULT_CONNECT_ATTEMPTS 2
40 /** Struct definitions **/
42 struct PeerGroupStartupContext
44 struct GNUNET_TESTING_PeerGroup *pg;
45 const struct GNUNET_CONFIGURATION_Handle *cfg;
47 unsigned int peers_left;
48 unsigned long long max_concurrent_connections;
51 * Maximum attemps to connect two daemons.
53 unsigned long long connect_attempts;
56 * How long to spend trying to establish all the connections?
58 struct GNUNET_TIME_Relative connect_timeout;
60 unsigned long long max_concurrent_ssh;
61 struct GNUNET_TIME_Absolute timeout;
62 GNUNET_TESTING_NotifyConnection connect_cb;
63 GNUNET_TESTING_NotifyCompletion peergroup_cb;
66 * Closure for all peergroup callbacks.
70 const struct GNUNET_TESTING_Host *hostnames;
71 enum GNUNET_TESTING_Topology topology;
73 float topology_percentage;
75 float topology_probability;
77 enum GNUNET_TESTING_Topology restrict_topology;
78 char *restrict_transports;
79 enum GNUNET_TESTING_Topology connect_topology;
80 enum GNUNET_TESTING_TopologyOption connect_topology_option;
81 double connect_topology_option_modifier;
84 struct ProgressMeter *hostkey_meter;
85 struct ProgressMeter *peer_start_meter;
86 struct ProgressMeter *connect_meter;
89 * Task used to kill the peergroup.
91 GNUNET_SCHEDULER_TaskIdentifier die_task;
96 * Variable used to store the number of connections we should wait for.
98 unsigned int expected_connections;
101 * Time when the connecting peers was started.
103 struct GNUNET_TIME_Absolute connect_start_time;
106 * The total number of connections that have been created so far.
108 unsigned int total_connections;
111 * The total number of connections that have failed so far.
113 unsigned int failed_connections;
116 * File handle to write out topology in dot format.
118 struct GNUNET_DISK_FileHandle *topology_output_file;
121 struct TopologyOutputContext
123 struct GNUNET_DISK_FileHandle *file;
124 GNUNET_TESTING_NotifyCompletion notify_cb;
129 * Simple struct to keep track of progress, and print a
130 * percentage meter for long running tasks.
135 * Total number of tasks to complete.
140 * Print percentage done after modnum tasks.
145 * Print a . each dotnum tasks.
150 * Total number completed thus far.
152 unsigned int completed;
155 * Whether or not to print.
160 * Startup string for progress meter.
162 char *startup_string;
166 /** Utility functions **/
169 * Create a meter to keep track of the progress of some task.
171 * @param total the total number of items to complete
172 * @param start_string a string to prefix the meter with (if printing)
173 * @param print GNUNET_YES to print the meter, GNUNET_NO to count
176 * @return the progress meter
178 static struct ProgressMeter *
179 create_meter (unsigned int total, char *start_string, int print)
181 struct ProgressMeter *ret;
183 ret = GNUNET_malloc (sizeof (struct ProgressMeter));
186 ret->modnum = total / 4;
187 ret->dotnum = (total / 50) + 1;
188 if (start_string != NULL)
189 ret->startup_string = GNUNET_strdup (start_string);
191 ret->startup_string = GNUNET_strdup ("");
197 * Update progress meter (increment by one).
199 * @param meter the meter to update and print info for
201 * @return GNUNET_YES if called the total requested,
202 * GNUNET_NO if more items expected
205 update_meter (struct ProgressMeter *meter)
207 if (meter->print == GNUNET_YES)
209 if (meter->completed % meter->modnum == 0)
211 if (meter->completed == 0)
213 fprintf (stdout, "%sProgress: [0%%", meter->startup_string);
216 fprintf (stdout, "%d%%",
217 (int) (((float) meter->completed / meter->total) * 100));
219 else if (meter->completed % meter->dotnum == 0)
220 fprintf (stdout, ".");
222 if (meter->completed + 1 == meter->total)
223 fprintf (stdout, "%d%%]\n", 100);
228 if (meter->completed == meter->total)
234 * Reset progress meter.
236 * @param meter the meter to reset
238 * @return GNUNET_YES if meter reset,
239 * GNUNET_SYSERR on error
242 reset_meter (struct ProgressMeter *meter)
245 return GNUNET_SYSERR;
247 meter->completed = 0;
252 * Release resources for meter
254 * @param meter the meter to free
257 free_meter (struct ProgressMeter *meter)
259 GNUNET_free_non_null (meter->startup_string);
264 /** Functions for creating, starting and connecting the peergroup **/
267 * Check whether peers successfully shut down.
270 internal_shutdown_callback (void *cls, const char *emsg)
272 struct PeerGroupStartupContext *pg_start_ctx = cls;
275 pg_start_ctx->peergroup_cb (pg_start_ctx->cls, emsg);
277 pg_start_ctx->peergroup_cb (pg_start_ctx->cls, pg_start_ctx->fail_reason);
281 * Check if the get_handle is being used, if so stop the request. Either
282 * way, schedule the end_badly_cont function which actually shuts down the
286 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
288 struct PeerGroupStartupContext *pg_start_ctx = cls;
290 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
291 "Failing peer group startup with error: `%s'!\n",
292 pg_start_ctx->fail_reason);
294 GNUNET_TESTING_daemons_stop (pg_start_ctx->pg,
295 GNUNET_TIME_absolute_get_remaining
296 (pg_start_ctx->timeout),
297 &internal_shutdown_callback, pg_start_ctx);
299 if (pg_start_ctx->hostkey_meter != NULL)
300 free_meter (pg_start_ctx->hostkey_meter);
301 if (pg_start_ctx->peer_start_meter != NULL)
302 free_meter (pg_start_ctx->peer_start_meter);
303 if (pg_start_ctx->connect_meter != NULL)
304 free_meter (pg_start_ctx->connect_meter);
308 * This function is called whenever a connection attempt is finished between two of
309 * the started peers (started with GNUNET_TESTING_daemons_start). The total
310 * number of times this function is called should equal the number returned
311 * from the GNUNET_TESTING_connect_topology call.
313 * The emsg variable is NULL on success (peers connected), and non-NULL on
314 * failure (peers failed to connect).
317 internal_topology_callback (void *cls, const struct GNUNET_PeerIdentity *first,
318 const struct GNUNET_PeerIdentity *second,
320 const struct GNUNET_CONFIGURATION_Handle *first_cfg,
321 const struct GNUNET_CONFIGURATION_Handle
323 struct GNUNET_TESTING_Daemon *first_daemon,
324 struct GNUNET_TESTING_Daemon *second_daemon,
327 struct PeerGroupStartupContext *pg_start_ctx = cls;
333 unsigned long long duration;
334 unsigned long long total_duration;
335 unsigned int new_connections;
336 unsigned int new_failed_connections;
337 double conns_per_sec_recent;
338 double conns_per_sec_total;
339 double failed_conns_per_sec_recent;
340 double failed_conns_per_sec_total;
344 if (GNUNET_TIME_absolute_get_difference
346 GNUNET_TIME_absolute_get ()).rel_value >
347 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
348 CONN_UPDATE_DURATION).rel_value)
350 /* Get number of new connections */
351 new_connections = total_connections - previous_connections;
353 /* Get number of new FAILED connections */
354 new_failed_connections = failed_connections - previous_failed_connections;
356 /* Get duration in seconds */
358 GNUNET_TIME_absolute_get_difference (connect_last_time,
359 GNUNET_TIME_absolute_get
360 ()).rel_value / 1000;
362 GNUNET_TIME_absolute_get_difference (connect_start_time,
363 GNUNET_TIME_absolute_get
364 ()).rel_value / 1000;
366 failed_conns_per_sec_recent = (double) new_failed_connections / duration;
367 failed_conns_per_sec_total = (double) failed_connections / total_duration;
368 conns_per_sec_recent = (double) new_connections / duration;
369 conns_per_sec_total = (double) total_connections / total_duration;
370 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
371 "Recent: %.2f/s, Total: %.2f/s, Recent failed: %.2f/s, total failed %.2f/s\n",
372 conns_per_sec_recent, CONN_UPDATE_DURATION, conns_per_sec_total,
373 failed_conns_per_sec_recent, failed_conns_per_sec_total);
374 connect_last_time = GNUNET_TIME_absolute_get ();
375 previous_connections = total_connections;
376 previous_failed_connections = failed_connections;
377 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
378 "have %u total_connections, %u failed\n", total_connections,
386 pg_start_ctx->total_connections++;
388 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
389 "connected peer %s to peer %s, distance %u\n",
390 first_daemon->shortname, second_daemon->shortname, distance);
392 if (pg_start_ctx->topology_output_file != NULL)
394 second_str = GNUNET_strdup (GNUNET_i2s (second));
396 GNUNET_asprintf (&temp_str, "\t\"%s\" -- \"%s\"\n",
397 GNUNET_i2s (first), second_str);
398 GNUNET_free (second_str);
400 GNUNET_DISK_file_write (pg_start_ctx->topology_output_file, temp_str,
402 GNUNET_free (temp_str);
407 pg_start_ctx->failed_connections++;
409 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
410 "Failed to connect peer %s to peer %s with error :\n%s\n",
411 first_daemon->shortname, second_daemon->shortname, emsg);
413 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
414 "Failed to connect peer %s to peer %s with error :\n%s\n",
415 first_daemon->shortname, second_daemon->shortname, emsg);
419 GNUNET_assert (pg_start_ctx->connect_meter != NULL);
420 if (pg_start_ctx->connect_cb != NULL)
421 pg_start_ctx->connect_cb (pg_start_ctx->cls, first, second, distance,
422 first_cfg, second_cfg, first_daemon,
423 second_daemon, emsg);
424 if (GNUNET_YES == update_meter (pg_start_ctx->connect_meter))
427 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
428 "Created %d total connections, which is our target number! Starting next phase of testing.\n",
429 pg_start_ctx->total_connections);
434 GNUNET_TIME_absolute_get_difference (connect_start_time,
435 GNUNET_TIME_absolute_get
436 ()).rel_value / 1000;
437 failed_conns_per_sec_total = (double) failed_connections / total_duration;
438 conns_per_sec_total = (double) total_connections / total_duration;
439 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
440 "Overall connection info --- Total: %u, Total Failed %u/s\n",
441 total_connections, failed_connections);
442 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
443 "Overall connection info --- Total: %.2f/s, Total Failed %.2f/s\n",
444 conns_per_sec_total, failed_conns_per_sec_total);
447 GNUNET_assert (pg_start_ctx->die_task != GNUNET_SCHEDULER_NO_TASK);
448 GNUNET_SCHEDULER_cancel (pg_start_ctx->die_task);
450 /* Call final callback, signifying that the peer group has been started and connected */
451 if (pg_start_ctx->peergroup_cb != NULL)
452 pg_start_ctx->peergroup_cb (pg_start_ctx->cls, NULL);
454 if (pg_start_ctx->topology_output_file != NULL)
456 temp = GNUNET_asprintf (&temp_str, "}\n");
458 GNUNET_DISK_file_write (pg_start_ctx->topology_output_file, temp_str,
460 GNUNET_free (temp_str);
461 GNUNET_DISK_file_close (pg_start_ctx->topology_output_file);
467 internal_peers_started_callback (void *cls,
468 const struct GNUNET_PeerIdentity *id,
469 const struct GNUNET_CONFIGURATION_Handle *cfg,
470 struct GNUNET_TESTING_Daemon *d,
473 struct PeerGroupStartupContext *pg_start_ctx = cls;
477 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
478 "Failed to start daemon with error: `%s'\n", emsg);
481 GNUNET_assert (id != NULL);
484 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started daemon %llu out of %llu\n",
485 (pg_start_ctx->total - pg_start_ctx->peers_left) + 1,
486 pg_start_ctx->total);
489 pg_start_ctx->peers_left--;
491 if (GNUNET_YES == update_meter (pg_start_ctx->peer_start_meter))
494 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
495 "All %d daemons started, now connecting peers!\n",
496 pg_start_ctx->total);
498 GNUNET_assert (pg_start_ctx->die_task != GNUNET_SCHEDULER_NO_TASK);
499 GNUNET_SCHEDULER_cancel (pg_start_ctx->die_task);
501 pg_start_ctx->expected_connections = UINT_MAX;
502 // FIXME: why whould peers_left be != 0?? Or pg NULL?
503 if ((pg_start_ctx->pg != NULL) && (pg_start_ctx->peers_left == 0))
505 pg_start_ctx->connect_start_time = GNUNET_TIME_absolute_get ();
506 pg_start_ctx->expected_connections =
507 GNUNET_TESTING_connect_topology (pg_start_ctx->pg,
508 pg_start_ctx->connect_topology,
509 pg_start_ctx->connect_topology_option,
510 pg_start_ctx->connect_topology_option_modifier,
511 pg_start_ctx->connect_timeout,
512 pg_start_ctx->connect_attempts, NULL,
515 pg_start_ctx->connect_meter =
516 create_meter (pg_start_ctx->expected_connections, "Peer connection ",
517 pg_start_ctx->verbose);
518 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Have %d expected connections\n",
519 pg_start_ctx->expected_connections);
522 if (pg_start_ctx->expected_connections == 0)
524 GNUNET_free_non_null (pg_start_ctx->fail_reason);
525 pg_start_ctx->fail_reason =
526 GNUNET_strdup ("from connect topology (bad return)");
527 pg_start_ctx->die_task =
528 GNUNET_SCHEDULER_add_now (&end_badly, pg_start_ctx);
532 GNUNET_free_non_null (pg_start_ctx->fail_reason);
533 pg_start_ctx->fail_reason =
534 GNUNET_strdup ("from connect topology (timeout)");
535 pg_start_ctx->die_task =
536 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
537 (pg_start_ctx->timeout), &end_badly,
543 * Callback indicating that the hostkey was created for a peer.
546 * @param id the peer identity
547 * @param d the daemon handle (pretty useless at this point, remove?)
548 * @param emsg non-null on failure
551 internal_hostkey_callback (void *cls, const struct GNUNET_PeerIdentity *id,
552 struct GNUNET_TESTING_Daemon *d, const char *emsg)
554 struct PeerGroupStartupContext *pg_start_ctx = cls;
555 unsigned int create_expected_connections;
559 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
560 "Hostkey callback received error: %s\n", emsg);
564 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
565 "Hostkey (%d/%d) created for peer `%s'\n",
566 pg_start_ctx->total - pg_start_ctx->peers_left + 1,
567 pg_start_ctx->total, GNUNET_i2s (id));
570 pg_start_ctx->peers_left--;
571 if (GNUNET_YES == update_meter (pg_start_ctx->hostkey_meter))
573 GNUNET_SCHEDULER_cancel (pg_start_ctx->die_task);
574 GNUNET_free_non_null (pg_start_ctx->fail_reason);
575 /* Set up task in case topology creation doesn't finish
576 * within a reasonable amount of time */
577 pg_start_ctx->fail_reason = GNUNET_strdup ("from create_topology");
578 pg_start_ctx->die_task =
579 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
580 (pg_start_ctx->timeout), &end_badly,
582 pg_start_ctx->peers_left = pg_start_ctx->total; /* Reset counter */
583 create_expected_connections =
584 GNUNET_TESTING_create_topology (pg_start_ctx->pg,
585 pg_start_ctx->topology,
586 pg_start_ctx->restrict_topology,
587 pg_start_ctx->restrict_transports);
588 if (create_expected_connections > 0)
590 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
591 "Topology set up, have %u expected connections, now starting peers!\n",
592 create_expected_connections);
593 GNUNET_TESTING_daemons_continue_startup (pg_start_ctx->pg);
597 GNUNET_SCHEDULER_cancel (pg_start_ctx->die_task);
598 GNUNET_free_non_null (pg_start_ctx->fail_reason);
599 pg_start_ctx->fail_reason =
600 GNUNET_strdup ("from create topology (bad return)");
601 pg_start_ctx->die_task =
602 GNUNET_SCHEDULER_add_now (&end_badly, pg_start_ctx);
606 GNUNET_SCHEDULER_cancel (pg_start_ctx->die_task);
607 GNUNET_free_non_null (pg_start_ctx->fail_reason);
608 pg_start_ctx->fail_reason =
609 GNUNET_strdup ("from continue startup (timeout)");
610 pg_start_ctx->die_task =
611 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
612 (pg_start_ctx->timeout), &end_badly,
619 * Prototype of a callback function indicating that two peers
620 * are currently connected.
623 * @param first peer id for first daemon
624 * @param second peer id for the second daemon
625 * @param emsg error message (NULL on success)
628 write_topology_cb (void *cls, const struct GNUNET_PeerIdentity *first,
629 const struct GNUNET_PeerIdentity *second, const char *emsg)
631 struct TopologyOutputContext *topo_ctx;
636 topo_ctx = (struct TopologyOutputContext *) cls;
637 GNUNET_assert (topo_ctx->file != NULL);
638 if ((emsg == NULL) && (first != NULL) && (second != NULL))
640 GNUNET_assert (first != NULL);
641 GNUNET_assert (second != NULL);
642 temp_pid2 = GNUNET_strdup (GNUNET_i2s (second));
644 GNUNET_asprintf (&temp_str, "\t\"%s\" -- \"%s\"\n", GNUNET_i2s (first),
646 GNUNET_free (temp_pid2);
647 GNUNET_DISK_file_write (topo_ctx->file, temp_str, temp);
649 else if ((emsg == NULL) && (first == NULL) && (second == NULL))
651 temp = GNUNET_asprintf (&temp_str, "}\n");
652 GNUNET_DISK_file_write (topo_ctx->file, temp_str, temp);
653 GNUNET_DISK_file_close (topo_ctx->file);
654 topo_ctx->notify_cb (topo_ctx->notify_cb_cls, NULL);
655 GNUNET_free (topo_ctx);
659 temp = GNUNET_asprintf (&temp_str, "}\n");
660 GNUNET_DISK_file_write (topo_ctx->file, temp_str, temp);
661 GNUNET_DISK_file_close (topo_ctx->file);
662 topo_ctx->notify_cb (topo_ctx->notify_cb_cls, emsg);
663 GNUNET_free (topo_ctx);
668 * Print current topology to a graphviz readable file.
670 * @param pg a currently running peergroup to print to file
671 * @param output_filename the file to write the topology to
672 * @param notify_cb callback to call upon completion or failure
673 * @param notify_cb_cls closure for notify_cb
677 GNUNET_TESTING_peergroup_topology_to_file (struct GNUNET_TESTING_PeerGroup *pg,
678 const char *output_filename,
679 GNUNET_TESTING_NotifyCompletion
680 notify_cb, void *notify_cb_cls)
682 struct TopologyOutputContext *topo_ctx;
686 topo_ctx = GNUNET_malloc (sizeof (struct TopologyOutputContext));
688 topo_ctx->notify_cb = notify_cb;
689 topo_ctx->notify_cb_cls = notify_cb_cls;
691 GNUNET_DISK_file_open (output_filename,
692 GNUNET_DISK_OPEN_READWRITE |
693 GNUNET_DISK_OPEN_CREATE,
694 GNUNET_DISK_PERM_USER_READ |
695 GNUNET_DISK_PERM_USER_WRITE);
696 if (topo_ctx->file == NULL)
698 notify_cb (notify_cb_cls, "Failed to open output file!");
699 GNUNET_free (topo_ctx);
703 temp = GNUNET_asprintf (&temp_str, "strict graph G {\n");
705 GNUNET_DISK_file_write (topo_ctx->file, temp_str, temp);
706 GNUNET_free_non_null (temp_str);
707 GNUNET_TESTING_get_topology (pg, &write_topology_cb, topo_ctx);
711 * Start a peer group with a given number of peers. Notify
712 * on completion of peer startup and connection based on given
713 * topological constraints. Optionally notify on each
714 * established connection.
716 * @param cfg configuration template to use
717 * @param total number of daemons to start
718 * @param timeout total time allowed for peers to start
719 * @param connect_cb function to call each time two daemons are connected
720 * @param peergroup_cb function to call once all peers are up and connected
721 * @param peergroup_cls closure for peergroup callbacks
722 * @param hostnames linked list of host structs to use to start peers on
723 * (NULL to run on localhost only)
725 * @return NULL on error, otherwise handle to control peer group
727 struct GNUNET_TESTING_PeerGroup *
728 GNUNET_TESTING_peergroup_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
730 struct GNUNET_TIME_Relative timeout,
731 GNUNET_TESTING_NotifyConnection connect_cb,
732 GNUNET_TESTING_NotifyCompletion peergroup_cb,
734 const struct GNUNET_TESTING_Host *hostnames)
736 struct PeerGroupStartupContext *pg_start_ctx;
737 unsigned long long temp_config_number;
740 struct GNUNET_TIME_Relative rtimeout;
742 GNUNET_assert (total > 0);
743 GNUNET_assert (cfg != NULL);
745 pg_start_ctx = GNUNET_malloc (sizeof (struct PeerGroupStartupContext));
748 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "connect_attempts",
749 &pg_start_ctx->connect_attempts))
751 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n",
752 "testing", "connect_attempts");
753 GNUNET_free (pg_start_ctx);
758 GNUNET_CONFIGURATION_get_value_time (cfg, "testing", "CONNECT_TIMEOUT",
759 &pg_start_ctx->connect_timeout))
761 pg_start_ctx->connect_timeout = DEFAULT_CONNECT_TIMEOUT;
765 GNUNET_CONFIGURATION_get_value_number (cfg, "testing",
766 "max_outstanding_connections",
767 &pg_start_ctx->max_concurrent_connections))
769 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n",
770 "testing", "max_outstanding_connections");
771 GNUNET_free (pg_start_ctx);
776 GNUNET_CONFIGURATION_get_value_number (cfg, "testing",
777 "max_concurrent_ssh",
778 &pg_start_ctx->max_concurrent_ssh))
780 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n",
781 "testing", "max_concurrent_ssh");
782 GNUNET_free (pg_start_ctx);
787 (pg_start_ctx->verbose =
788 GNUNET_CONFIGURATION_get_value_yesno (cfg, "testing",
789 "use_progressbars")))
791 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n",
792 "testing", "use_progressbars");
793 GNUNET_free (pg_start_ctx);
798 GNUNET_CONFIGURATION_get_value_number (cfg, "testing",
802 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n",
803 "testing", "PEERGROUP_TIMEOUT");
804 GNUNET_free (pg_start_ctx);
807 pg_start_ctx->timeout =
808 GNUNET_TIME_relative_to_absolute (rtimeout);
811 /* Read topology related options from the configuration file */
814 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "topology",
817 GNUNET_TESTING_topology_get (&pg_start_ctx->topology, temp_str)))
819 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
820 "Invalid topology `%s' given for section %s option %s\n",
821 temp_str, "TESTING", "TOPOLOGY");
822 pg_start_ctx->topology = GNUNET_TESTING_TOPOLOGY_CLIQUE; /* Defaults to NONE, so set better default here */
824 GNUNET_free_non_null (temp_str);
827 GNUNET_CONFIGURATION_get_value_string (cfg, "testing",
828 "topology_output_file", &temp_str))
830 pg_start_ctx->topology_output_file =
831 GNUNET_DISK_file_open (temp_str,
832 GNUNET_DISK_OPEN_READWRITE |
833 GNUNET_DISK_OPEN_CREATE,
834 GNUNET_DISK_PERM_USER_READ |
835 GNUNET_DISK_PERM_USER_WRITE);
836 if (pg_start_ctx->topology_output_file != NULL)
838 GNUNET_free (temp_str);
839 temp = GNUNET_asprintf (&temp_str, "strict graph G {\n");
841 GNUNET_DISK_file_write (pg_start_ctx->topology_output_file, temp_str,
844 GNUNET_free (temp_str);
848 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "percentage",
850 pg_start_ctx->topology_percentage = 0.5;
853 pg_start_ctx->topology_percentage = atof (temp_str);
854 GNUNET_free (temp_str);
858 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "probability",
860 pg_start_ctx->topology_probability = 0.5;
863 pg_start_ctx->topology_probability = atof (temp_str);
864 GNUNET_free (temp_str);
868 GNUNET_CONFIGURATION_get_value_string (cfg, "testing",
869 "connect_topology", &temp_str)) &&
871 GNUNET_TESTING_topology_get (&pg_start_ctx->connect_topology, temp_str)))
873 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
874 "Invalid connect topology `%s' given for section %s option %s\n",
875 temp_str, "TESTING", "CONNECT_TOPOLOGY");
877 GNUNET_free_non_null (temp_str);
880 GNUNET_CONFIGURATION_get_value_string (cfg, "testing",
881 "connect_topology_option",
884 GNUNET_TESTING_topology_option_get
885 (&pg_start_ctx->connect_topology_option, temp_str)))
887 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
888 "Invalid connect topology option `%s' given for section %s option %s\n",
889 temp_str, "TESTING", "CONNECT_TOPOLOGY_OPTION");
890 pg_start_ctx->connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL; /* Defaults to NONE, set to ALL */
892 GNUNET_free_non_null (temp_str);
895 GNUNET_CONFIGURATION_get_value_string (cfg, "testing",
896 "connect_topology_option_modifier",
900 (temp_str, "%lf", &pg_start_ctx->connect_topology_option_modifier) != 1)
902 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
904 ("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
905 temp_str, "connect_topology_option_modifier", "TESTING");
906 GNUNET_free (temp_str);
907 GNUNET_free (pg_start_ctx);
910 GNUNET_free (temp_str);
914 GNUNET_CONFIGURATION_get_value_string (cfg, "testing",
915 "blacklist_transports",
916 &pg_start_ctx->restrict_transports))
917 pg_start_ctx->restrict_transports = NULL;
919 pg_start_ctx->restrict_topology = GNUNET_TESTING_TOPOLOGY_NONE;
921 GNUNET_CONFIGURATION_get_value_string (cfg, "testing",
922 "blacklist_topology", &temp_str))
924 GNUNET_TESTING_topology_get (&pg_start_ctx->restrict_topology,
927 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
928 "Invalid topology `%s' given for section %s option %s\n",
929 temp_str, "TESTING", "BLACKLIST_TOPOLOGY");
932 GNUNET_free_non_null (temp_str);
934 pg_start_ctx->cfg = cfg;
935 pg_start_ctx->total = total;
936 pg_start_ctx->peers_left = total;
937 pg_start_ctx->connect_cb = connect_cb;
938 pg_start_ctx->peergroup_cb = peergroup_cb;
939 pg_start_ctx->cls = peergroup_cls;
940 pg_start_ctx->hostnames = hostnames;
941 pg_start_ctx->hostkey_meter =
942 create_meter (pg_start_ctx->peers_left, "Hostkeys created ",
943 pg_start_ctx->verbose);
944 pg_start_ctx->peer_start_meter =
945 create_meter (pg_start_ctx->peers_left, "Peers started ",
946 pg_start_ctx->verbose);
947 /* Make compilers happy */
948 reset_meter (pg_start_ctx->peer_start_meter);
949 pg_start_ctx->fail_reason =
951 ("didn't generate all hostkeys within allowed startup time!");
952 pg_start_ctx->die_task =
953 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
954 (pg_start_ctx->timeout), &end_badly,
958 GNUNET_TESTING_daemons_start (pg_start_ctx->cfg, pg_start_ctx->peers_left,
959 pg_start_ctx->max_concurrent_connections,
960 pg_start_ctx->max_concurrent_ssh,
961 GNUNET_TIME_absolute_get_remaining
962 (pg_start_ctx->timeout),
963 &internal_hostkey_callback, pg_start_ctx,
964 &internal_peers_started_callback,
965 pg_start_ctx, &internal_topology_callback,
966 pg_start_ctx, pg_start_ctx->hostnames);
968 return pg_start_ctx->pg;
971 /* end of testing_peergroup.c */