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-rw-r--r--src/ats-tests/ats-testing-experiment.c820
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diff --git a/src/ats-tests/ats-testing-experiment.c b/src/ats-tests/ats-testing-experiment.c
deleted file mode 100644
index 9f8db1be4..000000000
--- a/src/ats-tests/ats-testing-experiment.c
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@@ -1,820 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2010-2013 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
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 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20/**
21 * @file ats-tests/ats-testing-experiment.c
22 * @brief ats benchmark: controlled experiment execution
23 * @author Christian Grothoff
24 * @author Matthias Wachs
25 */
26#include "platform.h"
27#include "gnunet_util_lib.h"
28#include "ats-testing.h"
29
30const char *
31print_op (enum OperationType op)
32{
33 switch (op)
34 {
35 case START_SEND:
36 return "START_SEND";
37
38 case STOP_SEND:
39 return "STOP_SEND";
40
41 case START_PREFERENCE:
42 return "START_PREFERENCE";
43
44 case STOP_PREFERENCE:
45 return "STOP_PREFERENCE";
46
47 default:
48 break;
49 }
50 return "";
51}
52
53
54static struct Experiment *
55create_experiment ()
56{
57 struct Experiment *e;
58
59 e = GNUNET_new (struct Experiment);
60 e->name = NULL;
61 e->num_masters = 0;
62 e->num_slaves = 0;
63 e->start = NULL;
64 e->total_duration = GNUNET_TIME_UNIT_ZERO;
65 return e;
66}
67
68
69static void
70free_experiment (struct Experiment *e)
71{
72 struct Episode *cur;
73 struct Episode *next;
74 struct GNUNET_ATS_TEST_Operation *cur_o;
75 struct GNUNET_ATS_TEST_Operation *next_o;
76
77 next = e->start;
78 for (cur = next; NULL != cur; cur = next)
79 {
80 next = cur->next;
81
82 next_o = cur->head;
83 for (cur_o = next_o; NULL != cur_o; cur_o = next_o)
84 {
85 next_o = cur_o->next;
86 GNUNET_free (cur_o);
87 }
88 GNUNET_free (cur);
89 }
90
91 GNUNET_free (e->name);
92 GNUNET_free (e->cfg_file);
93 GNUNET_free (e);
94}
95
96
97static int
98load_episode (struct Experiment *e,
99 struct Episode *cur,
100 struct GNUNET_CONFIGURATION_Handle *cfg)
101{
102 struct GNUNET_ATS_TEST_Operation *o;
103 char *sec_name;
104 char *op_name;
105 char *op;
106 char *type;
107 char *pref;
108 int op_counter = 0;
109
110 fprintf (stderr, "Parsing episode %u\n", cur->id);
111 GNUNET_asprintf (&sec_name, "episode-%u", cur->id);
112
113 while (1)
114 {
115 /* Load operation */
116 GNUNET_asprintf (&op_name, "op-%u-operation", op_counter);
117 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (cfg,
118 sec_name,
119 op_name, &op))
120 {
121 GNUNET_free (op_name);
122 break;
123 }
124 o = GNUNET_new (struct GNUNET_ATS_TEST_Operation);
125 /* operations = set_rate, start_send, stop_send, set_preference */
126 if (0 == strcmp (op, "start_send"))
127 {
128 o->type = START_SEND;
129 }
130 else if (0 == strcmp (op, "stop_send"))
131 {
132 o->type = STOP_SEND;
133 }
134 else if (0 == strcmp (op, "start_preference"))
135 {
136 o->type = START_PREFERENCE;
137 }
138 else if (0 == strcmp (op, "stop_preference"))
139 {
140 o->type = STOP_PREFERENCE;
141 }
142 else
143 {
144 fprintf (stderr, "Invalid operation %u `%s' in episode %u\n",
145 op_counter, op, cur->id);
146 GNUNET_free (op);
147 GNUNET_free (op_name);
148 GNUNET_free (o);
149 GNUNET_free (sec_name);
150 return GNUNET_SYSERR;
151 }
152 GNUNET_free (op_name);
153
154 /* Get source */
155 GNUNET_asprintf (&op_name, "op-%u-src", op_counter);
156 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg,
157 sec_name,
158 op_name,
159 &o->src_id))
160 {
161 fprintf (stderr, "Missing src in operation %u `%s' in episode %u\n",
162 op_counter, op, cur->id);
163 GNUNET_free (op);
164 GNUNET_free (op_name);
165 GNUNET_free (o);
166 GNUNET_free (sec_name);
167 return GNUNET_SYSERR;
168 }
169 if (o->src_id > (e->num_masters - 1))
170 {
171 fprintf (stderr, "Invalid src %llu in operation %u `%s' in episode %u\n",
172 o->src_id, op_counter, op, cur->id);
173 GNUNET_free (op);
174 GNUNET_free (op_name);
175 GNUNET_free (o);
176 GNUNET_free (sec_name);
177 return GNUNET_SYSERR;
178 }
179 GNUNET_free (op_name);
180
181 /* Get destination */
182 GNUNET_asprintf (&op_name, "op-%u-dest", op_counter);
183 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg,
184 sec_name,
185 op_name,
186 &o->dest_id))
187 {
188 fprintf (stderr, "Missing src in operation %u `%s' in episode %u\n",
189 op_counter, op, cur->id);
190 GNUNET_free (op);
191 GNUNET_free (op_name);
192 GNUNET_free (o);
193 GNUNET_free (sec_name);
194 return GNUNET_SYSERR;
195 }
196 if (o->dest_id > (e->num_slaves - 1))
197 {
198 fprintf (stderr,
199 "Invalid destination %llu in operation %u `%s' in episode %u\n",
200 o->dest_id, op_counter, op, cur->id);
201 GNUNET_free (op);
202 GNUNET_free (op_name);
203 GNUNET_free (o);
204 GNUNET_free (sec_name);
205 return GNUNET_SYSERR;
206 }
207 GNUNET_free (op_name);
208
209 GNUNET_asprintf (&op_name, "op-%u-type", op_counter);
210 if ((GNUNET_SYSERR != GNUNET_CONFIGURATION_get_value_string (cfg,
211 sec_name,
212 op_name,
213 &type)) &&
214 (STOP_SEND != o->type) &&
215 (STOP_PREFERENCE != o->type))
216 {
217 /* Load arguments for set_rate, start_send, set_preference */
218 if (0 == strcmp (type, "constant"))
219 {
220 o->gen_type = GNUNET_ATS_TEST_TG_CONSTANT;
221 }
222 else if (0 == strcmp (type, "linear"))
223 {
224 o->gen_type = GNUNET_ATS_TEST_TG_LINEAR;
225 }
226 else if (0 == strcmp (type, "sinus"))
227 {
228 o->gen_type = GNUNET_ATS_TEST_TG_SINUS;
229 }
230 else if (0 == strcmp (type, "random"))
231 {
232 o->gen_type = GNUNET_ATS_TEST_TG_RANDOM;
233 }
234 else
235 {
236 fprintf (stderr, "Invalid type %u `%s' in episode %u\n",
237 op_counter, op, cur->id);
238 GNUNET_free (type);
239 GNUNET_free (op);
240 GNUNET_free (op_name);
241 GNUNET_free (sec_name);
242 GNUNET_free (o);
243 return GNUNET_SYSERR;
244 }
245 GNUNET_free (op_name);
246
247 /* Get base rate */
248 GNUNET_asprintf (&op_name, "op-%u-base-rate", op_counter);
249 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg,
250 sec_name,
251 op_name,
252 &o->base_rate))
253 {
254 fprintf (stderr,
255 "Missing base rate in operation %u `%s' in episode %u\n",
256 op_counter, op, cur->id);
257 GNUNET_free (type);
258 GNUNET_free (op);
259 GNUNET_free (op_name);
260 GNUNET_free (sec_name);
261 GNUNET_free (o);
262 return GNUNET_SYSERR;
263 }
264 GNUNET_free (op_name);
265
266 /* Get max rate */
267 GNUNET_asprintf (&op_name, "op-%u-max-rate", op_counter);
268 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg,
269 sec_name,
270 op_name,
271 &o->max_rate))
272 {
273 if ((GNUNET_ATS_TEST_TG_LINEAR == o->gen_type) ||
274 (GNUNET_ATS_TEST_TG_RANDOM == o->gen_type) ||
275 (GNUNET_ATS_TEST_TG_SINUS == o->gen_type))
276 {
277 fprintf (stderr,
278 "Missing max rate in operation %u `%s' in episode %u\n",
279 op_counter, op, cur->id);
280 GNUNET_free (type);
281 GNUNET_free (op_name);
282 GNUNET_free (op);
283 GNUNET_free (o);
284 GNUNET_free (sec_name);
285 return GNUNET_SYSERR;
286 }
287 }
288 GNUNET_free (op_name);
289
290 /* Get period */
291 GNUNET_asprintf (&op_name, "op-%u-period", op_counter);
292 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (cfg,
293 sec_name,
294 op_name,
295 &o->period))
296 {
297 o->period = cur->duration;
298 }
299 GNUNET_free (op_name);
300
301 if (START_PREFERENCE == o->type)
302 {
303 /* Get frequency */
304 GNUNET_asprintf (&op_name, "op-%u-frequency", op_counter);
305 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (cfg,
306 sec_name,
307 op_name,
308 &o->frequency))
309 {
310 fprintf (stderr,
311 "Missing frequency in operation %u `%s' in episode %u\n",
312 op_counter, op, cur->id);
313 GNUNET_free (type);
314 GNUNET_free (op_name);
315 GNUNET_free (op);
316 GNUNET_free (o);
317 GNUNET_free (sec_name);
318 return GNUNET_SYSERR;
319 }
320 GNUNET_free (op_name);
321
322 /* Get preference */
323 GNUNET_asprintf (&op_name, "op-%u-pref", op_counter);
324 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (cfg,
325 sec_name,
326 op_name,
327 &pref))
328 {
329 fprintf (stderr,
330 "Missing preference in operation %u `%s' in episode %u\n",
331 op_counter, op, cur->id);
332 GNUNET_free (type);
333 GNUNET_free (op_name);
334 GNUNET_free (op);
335 GNUNET_free (pref);
336 GNUNET_free (o);
337 GNUNET_free (sec_name);
338 return GNUNET_SYSERR;
339 }
340
341 if (0 == strcmp (pref, "bandwidth"))
342 o->pref_type = GNUNET_ATS_PREFERENCE_BANDWIDTH;
343 else if (0 == strcmp (pref, "latency"))
344 o->pref_type = GNUNET_ATS_PREFERENCE_LATENCY;
345 else
346 {
347 fprintf (stderr,
348 "Invalid preference in operation %u `%s' in episode %u\n",
349 op_counter, op, cur->id);
350 GNUNET_free (type);
351 GNUNET_free (op_name);
352 GNUNET_free (op);
353 GNUNET_free (pref);
354 GNUNET_free (o);
355 GNUNET_free (sec_name);
356 return GNUNET_SYSERR;
357 }
358 GNUNET_free (pref);
359 GNUNET_free (op_name);
360 }
361 }
362
363 /* Safety checks */
364 if ((GNUNET_ATS_TEST_TG_LINEAR == o->gen_type) ||
365 (GNUNET_ATS_TEST_TG_SINUS == o->gen_type))
366 {
367 if ((o->max_rate - o->base_rate) > o->base_rate)
368 {
369 /* This will cause an underflow */
370 GNUNET_break (0);
371 }
372 fprintf (stderr,
373 "Selected max rate and base rate cannot be used for desired traffic form!\n");
374 }
375
376 if ((START_SEND == o->type) || (START_PREFERENCE == o->type))
377 fprintf (stderr,
378 "Found operation %u in episode %u: %s [%llu]->[%llu] == %s, %llu -> %llu in %s\n",
379 op_counter, cur->id, print_op (o->type), o->src_id,
380 o->dest_id, (NULL != type) ? type : "",
381 o->base_rate, o->max_rate,
382 GNUNET_STRINGS_relative_time_to_string (o->period, GNUNET_YES));
383 else
384 fprintf (stderr, "Found operation %u in episode %u: %s [%llu]->[%llu]\n",
385 op_counter, cur->id, print_op (o->type), o->src_id, o->dest_id);
386
387 GNUNET_free (type);
388 GNUNET_free (op);
389
390 GNUNET_CONTAINER_DLL_insert (cur->head, cur->tail, o);
391 op_counter++;
392 }
393 GNUNET_free (sec_name);
394
395 return GNUNET_OK;
396}
397
398
399static int
400load_episodes (struct Experiment *e, struct GNUNET_CONFIGURATION_Handle *cfg)
401{
402 int e_counter = 0;
403 char *sec_name;
404 struct GNUNET_TIME_Relative e_duration;
405 struct Episode *cur;
406 struct Episode *last;
407
408 e_counter = 0;
409 last = NULL;
410 while (1)
411 {
412 GNUNET_asprintf (&sec_name, "episode-%u", e_counter);
413 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (cfg,
414 sec_name,
415 "duration",
416 &e_duration))
417 {
418 GNUNET_free (sec_name);
419 break;
420 }
421
422 cur = GNUNET_new (struct Episode);
423 cur->duration = e_duration;
424 cur->id = e_counter;
425
426 if (GNUNET_OK != load_episode (e, cur, cfg))
427 {
428 GNUNET_free (sec_name);
429 GNUNET_free (cur);
430 return GNUNET_SYSERR;
431 }
432
433 fprintf (stderr, "Found episode %u with duration %s \n",
434 e_counter,
435 GNUNET_STRINGS_relative_time_to_string (cur->duration,
436 GNUNET_YES));
437
438 /* Update experiment */
439 e->num_episodes++;
440 e->total_duration = GNUNET_TIME_relative_add (e->total_duration,
441 cur->duration);
442 /* Put in linked list */
443 if (NULL == last)
444 e->start = cur;
445 else
446 last->next = cur;
447
448 GNUNET_free (sec_name);
449 e_counter++;
450 last = cur;
451 }
452 return e_counter;
453}
454
455
456static void
457timeout_experiment (void *cls)
458{
459 struct Experiment *e = cls;
460
461 e->experiment_timeout_task = NULL;
462 fprintf (stderr, "Experiment timeout!\n");
463
464 if (NULL != e->episode_timeout_task)
465 {
466 GNUNET_SCHEDULER_cancel (e->episode_timeout_task);
467 e->episode_timeout_task = NULL;
468 }
469
470 e->e_done_cb (e, GNUNET_TIME_absolute_get_duration (e->start_time),
471 GNUNET_SYSERR);
472}
473
474
475static void
476enforce_start_send (struct GNUNET_ATS_TEST_Operation *op)
477{
478 struct BenchmarkPeer *peer;
479 struct BenchmarkPartner *partner;
480
481 peer = GNUNET_ATS_TEST_get_peer (op->src_id);
482 if (NULL == peer)
483 {
484 GNUNET_break (0);
485 return;
486 }
487
488 partner = GNUNET_ATS_TEST_get_partner (op->src_id, op->dest_id);
489 if (NULL == partner)
490 {
491 GNUNET_break (0);
492 return;
493 }
494
495 fprintf (stderr, "Found master %llu slave %llu\n", op->src_id, op->dest_id);
496
497 if (NULL != partner->tg)
498 {
499 fprintf (stderr, "Stopping traffic between master %llu slave %llu\n",
500 op->src_id, op->dest_id);
501 GNUNET_ATS_TEST_generate_traffic_stop (partner->tg);
502 partner->tg = NULL;
503 }
504
505 partner->tg = GNUNET_ATS_TEST_generate_traffic_start (peer, partner,
506 op->gen_type,
507 op->base_rate,
508 op->max_rate,
509 op->period,
510 GNUNET_TIME_UNIT_FOREVER_REL);
511}
512
513
514static void
515enforce_stop_send (struct GNUNET_ATS_TEST_Operation *op)
516{
517 struct BenchmarkPartner *p;
518
519 p = GNUNET_ATS_TEST_get_partner (op->src_id, op->dest_id);
520 if (NULL == p)
521 {
522 GNUNET_break (0);
523 return;
524 }
525
526 fprintf (stderr, "Found master %llu slave %llu\n", op->src_id, op->dest_id);
527
528 if (NULL != p->tg)
529 {
530 fprintf (stderr, "Stopping traffic between master %llu slave %llu\n",
531 op->src_id, op->dest_id);
532 GNUNET_ATS_TEST_generate_traffic_stop (p->tg);
533 p->tg = NULL;
534 }
535}
536
537
538static void
539enforce_start_preference (struct GNUNET_ATS_TEST_Operation *op)
540{
541 struct BenchmarkPeer *peer;
542 struct BenchmarkPartner *partner;
543
544 peer = GNUNET_ATS_TEST_get_peer (op->src_id);
545 if (NULL == peer)
546 {
547 GNUNET_break (0);
548 return;
549 }
550
551 partner = GNUNET_ATS_TEST_get_partner (op->src_id, op->dest_id);
552 if (NULL == partner)
553 {
554 GNUNET_break (0);
555 return;
556 }
557
558 fprintf (stderr, "Found master %llu slave %llu\n", op->src_id, op->dest_id);
559
560 if (NULL != partner->pg)
561 {
562 fprintf (stderr, "Stopping traffic between master %llu slave %llu\n",
563 op->src_id, op->dest_id);
564 GNUNET_ATS_TEST_generate_preferences_stop (partner->pg);
565 partner->pg = NULL;
566 }
567
568 partner->pg = GNUNET_ATS_TEST_generate_preferences_start (peer, partner,
569 op->gen_type,
570 op->base_rate,
571 op->max_rate,
572 op->period,
573 op->frequency,
574 op->pref_type);
575}
576
577
578static void
579enforce_stop_preference (struct GNUNET_ATS_TEST_Operation *op)
580{
581 struct BenchmarkPartner *p;
582
583 p = GNUNET_ATS_TEST_get_partner (op->src_id, op->dest_id);
584 if (NULL == p)
585 {
586 GNUNET_break (0);
587 return;
588 }
589
590 fprintf (stderr, "Found master %llu slave %llu\n", op->src_id, op->dest_id);
591
592 if (NULL != p->pg)
593 {
594 fprintf (stderr, "Stopping preference between master %llu slave %llu\n",
595 op->src_id, op->dest_id);
596 GNUNET_ATS_TEST_generate_preferences_stop (p->pg);
597 p->pg = NULL;
598 }
599}
600
601
602static void
603enforce_episode (struct Episode *ep)
604{
605 struct GNUNET_ATS_TEST_Operation *cur;
606
607 for (cur = ep->head; NULL != cur; cur = cur->next)
608 {
609 fprintf (stderr, "Enforcing operation: %s [%llu]->[%llu] == %llu\n",
610 print_op (cur->type), cur->src_id, cur->dest_id, cur->base_rate);
611 switch (cur->type)
612 {
613 case START_SEND:
614 enforce_start_send (cur);
615 break;
616
617 case STOP_SEND:
618 enforce_stop_send (cur);
619 break;
620
621 case START_PREFERENCE:
622 enforce_start_preference (cur);
623 break;
624
625 case STOP_PREFERENCE:
626 enforce_stop_preference (cur);
627 break;
628
629 default:
630 break;
631 }
632 }
633}
634
635
636static void
637timeout_episode (void *cls)
638{
639 struct Experiment *e = cls;
640
641 e->episode_timeout_task = NULL;
642 if (NULL != e->ep_done_cb)
643 e->ep_done_cb (e->cur);
644
645 /* Scheduling next */
646 e->cur = e->cur->next;
647 if (NULL == e->cur)
648 {
649 /* done */
650 fprintf (stderr, "Last episode done!\n");
651 if (NULL != e->experiment_timeout_task)
652 {
653 GNUNET_SCHEDULER_cancel (e->experiment_timeout_task);
654 e->experiment_timeout_task = NULL;
655 }
656 e->e_done_cb (e, GNUNET_TIME_absolute_get_duration (e->start_time),
657 GNUNET_OK);
658 return;
659 }
660
661 fprintf (stderr, "Running episode %u with timeout %s\n",
662 e->cur->id,
663 GNUNET_STRINGS_relative_time_to_string (e->cur->duration,
664 GNUNET_YES));
665 enforce_episode (e->cur);
666
667 e->episode_timeout_task = GNUNET_SCHEDULER_add_delayed (e->cur->duration,
668 &timeout_episode, e);
669}
670
671
672void
673GNUNET_ATS_TEST_experimentation_run (struct Experiment *e,
674 GNUNET_ATS_TESTING_EpisodeDoneCallback
675 ep_done_cb,
676 GNUNET_ATS_TESTING_ExperimentDoneCallback
677 e_done_cb)
678{
679 fprintf (stderr, "Running experiment `%s' with timeout %s\n", e->name,
680 GNUNET_STRINGS_relative_time_to_string (e->max_duration,
681 GNUNET_YES));
682 e->e_done_cb = e_done_cb;
683 e->ep_done_cb = ep_done_cb;
684 e->start_time = GNUNET_TIME_absolute_get ();
685
686 /* Start total time out */
687 e->experiment_timeout_task = GNUNET_SCHEDULER_add_delayed (e->max_duration,
688 &timeout_experiment,
689 e);
690
691 /* Start */
692 e->cur = e->start;
693 fprintf (stderr, "Running episode %u with timeout %s\n",
694 e->cur->id,
695 GNUNET_STRINGS_relative_time_to_string (e->cur->duration,
696 GNUNET_YES));
697 enforce_episode (e->cur);
698 e->episode_timeout_task = GNUNET_SCHEDULER_add_delayed (e->cur->duration,
699 &timeout_episode, e);
700}
701
702
703struct Experiment *
704GNUNET_ATS_TEST_experimentation_load (const char *filename)
705{
706 struct Experiment *e;
707 struct GNUNET_CONFIGURATION_Handle *cfg;
708
709 e = NULL;
710
711 cfg = GNUNET_CONFIGURATION_create ();
712 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_load (cfg, filename))
713 {
714 fprintf (stderr, "Failed to load `%s'\n", filename);
715 GNUNET_CONFIGURATION_destroy (cfg);
716 return NULL;
717 }
718
719 e = create_experiment ();
720
721 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_string (cfg, "experiment",
722 "name", &e->name))
723 {
724 fprintf (stderr, "Invalid %s", "name");
725 free_experiment (e);
726 return NULL;
727 }
728 else
729 fprintf (stderr, "Experiment name: `%s'\n", e->name);
730
731 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_filename (cfg,
732 "experiment",
733 "cfg_file",
734 &e->cfg_file))
735 {
736 fprintf (stderr, "Invalid %s", "cfg_file");
737 free_experiment (e);
738 return NULL;
739 }
740 else
741 fprintf (stderr, "Experiment name: `%s'\n", e->cfg_file);
742
743 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg, "experiment",
744 "masters",
745 &e->num_masters))
746 {
747 fprintf (stderr, "Invalid %s", "masters");
748 free_experiment (e);
749 return NULL;
750 }
751 else
752 fprintf (stderr, "Experiment masters: `%llu'\n",
753 e->num_masters);
754
755 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg, "experiment",
756 "slaves",
757 &e->num_slaves))
758 {
759 fprintf (stderr, "Invalid %s", "slaves");
760 free_experiment (e);
761 return NULL;
762 }
763 else
764 fprintf (stderr, "Experiment slaves: `%llu'\n",
765 e->num_slaves);
766
767 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (cfg, "experiment",
768 "log_freq",
769 &e->log_freq))
770 {
771 fprintf (stderr, "Invalid %s", "log_freq");
772 free_experiment (e);
773 return NULL;
774 }
775 else
776 fprintf (stderr, "Experiment logging frequency: `%s'\n",
777 GNUNET_STRINGS_relative_time_to_string (e->log_freq, GNUNET_YES));
778
779 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_time (cfg, "experiment",
780 "max_duration",
781 &e->max_duration))
782 {
783 fprintf (stderr, "Invalid %s", "max_duration");
784 free_experiment (e);
785 return NULL;
786 }
787 else
788 fprintf (stderr, "Experiment duration: `%s'\n",
789 GNUNET_STRINGS_relative_time_to_string (e->max_duration,
790 GNUNET_YES));
791
792 load_episodes (e, cfg);
793 fprintf (stderr, "Loaded %u episodes with total duration %s\n",
794 e->num_episodes,
795 GNUNET_STRINGS_relative_time_to_string (e->total_duration,
796 GNUNET_YES));
797
798 GNUNET_CONFIGURATION_destroy (cfg);
799 return e;
800}
801
802
803void
804GNUNET_ATS_TEST_experimentation_stop (struct Experiment *e)
805{
806 if (NULL != e->experiment_timeout_task)
807 {
808 GNUNET_SCHEDULER_cancel (e->experiment_timeout_task);
809 e->experiment_timeout_task = NULL;
810 }
811 if (NULL != e->episode_timeout_task)
812 {
813 GNUNET_SCHEDULER_cancel (e->episode_timeout_task);
814 e->episode_timeout_task = NULL;
815 }
816 free_experiment (e);
817}
818
819
820/* end of file ats-testing-experiment.c*/
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