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-rw-r--r--src/consensus/gnunet-consensus-profiler.c586
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diff --git a/src/consensus/gnunet-consensus-profiler.c b/src/consensus/gnunet-consensus-profiler.c
deleted file mode 100644
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--- a/src/consensus/gnunet-consensus-profiler.c
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2012 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/**
22 * @file consensus/gnunet-consensus-profiler.c
23 * @brief profiling tool for gnunet-consensus
24 * @author Florian Dold
25 */
26#include "platform.h"
27#include "gnunet_util_lib.h"
28#include "gnunet_time_lib.h"
29#include "gnunet_consensus_service.h"
30#include "gnunet_testbed_service.h"
31
32static unsigned int num_peers = 2;
33
34static unsigned int replication = 1;
35
36static unsigned int num_values = 5;
37
38static struct GNUNET_TIME_Relative conclude_timeout;
39
40static struct GNUNET_TIME_Relative consensus_delay;
41
42static struct GNUNET_CONSENSUS_Handle **consensus_handles;
43
44static struct GNUNET_TESTBED_Operation **testbed_operations;
45
46static unsigned int num_connected_handles;
47
48static struct GNUNET_TESTBED_Peer **peers;
49
50static struct GNUNET_PeerIdentity *peer_ids;
51
52static unsigned int num_retrieved_peer_ids;
53
54static struct GNUNET_HashCode session_id;
55
56static unsigned int peers_done = 0;
57
58static int dist_static;
59
60static unsigned *results_for_peer;
61
62/**
63 * The profiler will write statistics
64 * for all peers to the file with this name.
65 */
66static char *statistics_filename;
67
68/**
69 * The profiler will write statistics
70 * for all peers to this file.
71 */
72static FILE *statistics_file;
73
74static int verbose;
75
76/**
77 * Start time for all consensuses.
78 */
79static struct GNUNET_TIME_Absolute start;
80
81/**
82 * Deadline for all consensuses.
83 */
84static struct GNUNET_TIME_Absolute deadline;
85
86
87/**
88 * Signature of the event handler function called by the
89 * respective event controller.
90 *
91 * @param cls closure
92 * @param event information about the event
93 */
94static void
95controller_cb (void *cls,
96 const struct GNUNET_TESTBED_EventInformation *event)
97{
98 GNUNET_assert (0);
99}
100
101
102static void
103statistics_done_cb (void *cls,
104 struct
105 GNUNET_TESTBED_Operation
106 *op,
107 const char *emsg)
108{
109 GNUNET_assert (NULL == emsg);
110 GNUNET_TESTBED_operation_done (op);
111 if (NULL != statistics_file)
112 fclose (statistics_file);
113 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "got statistics, shutting down\n");
114 GNUNET_SCHEDULER_shutdown ();
115}
116
117
118/**
119 * Callback function to process statistic values from all peers.
120 *
121 * @param cls closure
122 * @param peer the peer the statistic belong to
123 * @param subsystem name of subsystem that created the statistic
124 * @param name the name of the datum
125 * @param value the current value
126 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
127 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
128 */
129static int
130statistics_cb (void *cls,
131 const struct GNUNET_TESTBED_Peer *peer,
132 const char *subsystem,
133 const char *name,
134 uint64_t value,
135 int is_persistent)
136{
137 if (NULL != statistics_file)
138 {
139 fprintf (statistics_file, "P%u\t%s\t%s\t%lu\n", GNUNET_TESTBED_get_index (
140 peer), subsystem, name, (unsigned long) value);
141 }
142 return GNUNET_OK;
143}
144
145
146static void
147destroy (void *cls)
148{
149 struct GNUNET_CONSENSUS_Handle *consensus = cls;
150
151 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
152 "destroying consensus\n");
153 GNUNET_CONSENSUS_destroy (consensus);
154 peers_done++;
155 if (peers_done == num_peers)
156 {
157 unsigned int i;
158 for (i = 0; i < num_peers; i++)
159 GNUNET_TESTBED_operation_done (testbed_operations[i]);
160 for (i = 0; i < num_peers; i++)
161 printf ("P%u got %u of %u elements\n",
162 i,
163 results_for_peer[i],
164 num_values);
165 if (NULL != statistics_filename)
166 statistics_file = fopen (statistics_filename, "w");
167 GNUNET_TESTBED_get_statistics (num_peers, peers, NULL, NULL,
168 statistics_cb,
169 statistics_done_cb,
170 NULL);
171 }
172}
173
174
175/**
176 * Called when a conclusion was successful.
177 *
178 * @param cls closure, the consensus handle
179 * @return #GNUNET_YES if more consensus groups should be offered,
180 * #GNUNET_NO if not
181 */
182static void
183conclude_cb (void *cls)
184{
185 struct GNUNET_CONSENSUS_Handle **chp = cls;
186
187 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
188 "consensus %d done\n",
189 (int) (chp - consensus_handles));
190 GNUNET_SCHEDULER_add_now (destroy, *chp);
191}
192
193
194static void
195generate_indices (int *indices)
196{
197 int j;
198
199 j = 0;
200 while (j < replication)
201 {
202 int n;
203 int k;
204 int repeat;
205 n = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
206 repeat = GNUNET_NO;
207 for (k = 0; k < j; k++)
208 if (indices[k] == n)
209 {
210 repeat = GNUNET_YES;
211 break;
212 }
213 if (GNUNET_NO == repeat)
214 indices[j++] = n;
215 }
216}
217
218
219static void
220do_consensus ()
221{
222 int unique_indices[replication];
223 unsigned int i;
224 unsigned int j;
225 struct GNUNET_HashCode val;
226 struct GNUNET_SET_Element element;
227
228 if (dist_static)
229 {
230 for (i = 0; i < num_values; i++)
231 {
232 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &val);
233
234 element.data = &val;
235 element.size = sizeof(val);
236 for (j = 0; j < replication; j++)
237 {
238 GNUNET_CONSENSUS_insert (consensus_handles[j],
239 &element,
240 NULL, NULL);
241 }
242 }
243 }
244 else
245 {
246 for (i = 0; i < num_values; i++)
247 {
248 generate_indices (unique_indices);
249 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &val);
250
251 element.data = &val;
252 element.size = sizeof(val);
253 for (j = 0; j < replication; j++)
254 {
255 int cid;
256
257 cid = unique_indices[j];
258 GNUNET_CONSENSUS_insert (consensus_handles[cid],
259 &element,
260 NULL, NULL);
261 }
262 }
263 }
264
265 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
266 "all elements inserted, calling conclude\n");
267
268 for (i = 0; i < num_peers; i++)
269 GNUNET_CONSENSUS_conclude (consensus_handles[i],
270 conclude_cb, &consensus_handles[i]);
271}
272
273
274/**
275 * Callback to be called when a service connect operation is completed
276 *
277 * @param cls the callback closure from functions generating an operation
278 * @param op the operation that has been finished
279 * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
280 * @param emsg error message in case the operation has failed; will be NULL if
281 * operation has executed successfully.
282 */
283static void
284connect_complete (void *cls,
285 struct GNUNET_TESTBED_Operation *op,
286 void *ca_result,
287 const char *emsg)
288{
289 if (NULL != emsg)
290 {
291 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
292 "testbed connect emsg: %s\n",
293 emsg);
294 GNUNET_assert (0);
295 }
296
297 num_connected_handles++;
298
299 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
300 "connect complete\n");
301
302 if (num_connected_handles == num_peers)
303 {
304 do_consensus ();
305 }
306}
307
308
309static void
310new_element_cb (void *cls,
311 const struct GNUNET_SET_Element *element)
312{
313 struct GNUNET_CONSENSUS_Handle **chp = cls;
314 int idx = chp - consensus_handles;
315
316 GNUNET_assert (NULL != cls);
317
318 results_for_peer[idx]++;
319
320 GNUNET_assert (sizeof(struct GNUNET_HashCode) == element->size);
321
322 if (GNUNET_YES == verbose)
323 {
324 printf ("P%d received %s\n",
325 idx,
326 GNUNET_h2s ((struct GNUNET_HashCode *) element->data));
327 }
328}
329
330
331/**
332 * Adapter function called to establish a connection to
333 * a service.
334 *
335 * @param cls closure
336 * @param cfg configuration of the peer to connect to; will be available until
337 * GNUNET_TESTBED_operation_done() is called on the operation returned
338 * from GNUNET_TESTBED_service_connect()
339 * @return service handle to return in 'op_result', NULL on error
340 */
341static void *
342connect_adapter (void *cls,
343 const struct GNUNET_CONFIGURATION_Handle *cfg)
344{
345 struct GNUNET_CONSENSUS_Handle **chp = cls;
346 struct GNUNET_CONSENSUS_Handle *consensus;
347
348 chp = (struct GNUNET_CONSENSUS_Handle **) cls;
349
350 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
351 "connect adapter, %d peers\n",
352 num_peers);
353 consensus = GNUNET_CONSENSUS_create (cfg,
354 num_peers, peer_ids,
355 &session_id,
356 start,
357 deadline,
358 &new_element_cb, chp);
359 *chp = (struct GNUNET_CONSENSUS_Handle *) consensus;
360 return consensus;
361}
362
363
364/**
365 * Adapter function called to destroy a connection to
366 * a service.
367 *
368 * @param cls closure
369 * @param op_result service handle returned from the connect adapter
370 */
371static void
372disconnect_adapter (void *cls, void *op_result)
373{
374 /* FIXME: what to do here? */
375 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
376 "disconnect adapter called\n");
377}
378
379
380/**
381 * Callback to be called when the requested peer information is available
382 *
383 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
384 * @param op the operation this callback corresponds to
385 * @param pinfo the result; will be NULL if the operation has failed
386 * @param emsg error message if the operation has failed; will be NULL if the
387 * operation is successful
388 */
389static void
390peer_info_cb (void *cb_cls,
391 struct GNUNET_TESTBED_Operation *op,
392 const struct GNUNET_TESTBED_PeerInformation *pinfo,
393 const char *emsg)
394{
395 struct GNUNET_PeerIdentity *p;
396 int i;
397
398 GNUNET_assert (NULL == emsg);
399
400 p = (struct GNUNET_PeerIdentity *) cb_cls;
401
402 if (pinfo->pit == GNUNET_TESTBED_PIT_IDENTITY)
403 {
404 *p = *pinfo->result.id;
405 num_retrieved_peer_ids++;
406 if (num_retrieved_peer_ids == num_peers)
407 for (i = 0; i < num_peers; i++)
408 testbed_operations[i] =
409 GNUNET_TESTBED_service_connect (NULL, peers[i], "consensus",
410 connect_complete, NULL,
411 connect_adapter, disconnect_adapter,
412 &consensus_handles[i]);
413 }
414 else
415 {
416 GNUNET_assert (0);
417 }
418
419 GNUNET_TESTBED_operation_done (op);
420}
421
422
423/**
424 * Signature of a main function for a testcase.
425 *
426 * @param cls closure
427 * @param h the run handle
428 * @param num_peers number of peers in 'peers'
429 * @param started_peers handle to peers run in the testbed. NULL upon timeout (see
430 * GNUNET_TESTBED_test_run()).
431 * @param links_succeeded the number of overlay link connection attempts that
432 * succeeded
433 * @param links_failed the number of overlay link connection attempts that
434 * failed
435 */
436static void
437test_master (void *cls,
438 struct GNUNET_TESTBED_RunHandle *h,
439 unsigned int num_peers,
440 struct GNUNET_TESTBED_Peer **started_peers,
441 unsigned int links_succeeded,
442 unsigned int links_failed)
443{
444 int i;
445
446 GNUNET_log_setup ("gnunet-consensus", "INFO", NULL);
447
448 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test master\n");
449
450 peers = started_peers;
451
452 peer_ids = GNUNET_malloc (num_peers * sizeof(struct GNUNET_PeerIdentity));
453
454 results_for_peer = GNUNET_malloc (num_peers * sizeof(unsigned int));
455 consensus_handles = GNUNET_malloc (num_peers * sizeof(struct
456 ConsensusHandle *));
457 testbed_operations = GNUNET_malloc (num_peers * sizeof(struct
458 ConsensusHandle *));
459
460 for (i = 0; i < num_peers; i++)
461 GNUNET_TESTBED_peer_get_information (peers[i],
462 GNUNET_TESTBED_PIT_IDENTITY,
463 peer_info_cb,
464 &peer_ids[i]);
465}
466
467
468static void
469run (void *cls, char *const *args, const char *cfgfile,
470 const struct GNUNET_CONFIGURATION_Handle *cfg)
471{
472 static char *session_str = "gnunet-consensus/test";
473 char *topology;
474 int topology_cmp_result;
475
476 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testbed",
477 "OVERLAY_TOPOLOGY",
478 &topology))
479 {
480 fprintf (stderr,
481 "'OVERLAY_TOPOLOGY' not found in 'testbed' config section, "
482 "seems like you passed the wrong configuration file\n");
483 return;
484 }
485
486 topology_cmp_result = strcasecmp (topology, "NONE");
487 GNUNET_free (topology);
488
489 if (0 == topology_cmp_result)
490 {
491 fprintf (stderr,
492 "'OVERLAY_TOPOLOGY' set to 'NONE', "
493 "seems like you passed the wrong configuration file\n");
494 return;
495 }
496
497 if (num_peers < replication)
498 {
499 fprintf (stderr, "k must be <=n\n");
500 return;
501 }
502
503 start = GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (),
504 consensus_delay);
505 deadline = GNUNET_TIME_absolute_add (start, conclude_timeout);
506
507 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
508 "running gnunet-consensus\n");
509
510 GNUNET_CRYPTO_hash (session_str, strlen (session_str), &session_id);
511
512 (void) GNUNET_TESTBED_test_run ("gnunet-consensus",
513 cfgfile,
514 num_peers,
515 0,
516 controller_cb,
517 NULL,
518 test_master,
519 NULL);
520}
521
522
523int
524main (int argc, char **argv)
525{
526 struct GNUNET_GETOPT_CommandLineOption options[] = {
527 GNUNET_GETOPT_option_uint ('n',
528 "num-peers",
529 NULL,
530 gettext_noop ("number of peers in consensus"),
531 &num_peers),
532
533 GNUNET_GETOPT_option_uint ('k',
534 "value-replication",
535 NULL,
536 gettext_noop (
537 "how many peers (random selection without replacement) receive one value?"),
538 &replication),
539
540 GNUNET_GETOPT_option_uint ('x',
541 "num-values",
542 NULL,
543 gettext_noop ("number of values"),
544 &num_values),
545
546 GNUNET_GETOPT_option_relative_time ('t',
547 "timeout",
548 NULL,
549 gettext_noop ("consensus timeout"),
550 &conclude_timeout),
551
552
553 GNUNET_GETOPT_option_relative_time ('d',
554 "delay",
555 NULL,
556 gettext_noop (
557 "delay until consensus starts"),
558 &consensus_delay),
559
560 GNUNET_GETOPT_option_filename ('s',
561 "statistics",
562 "FILENAME",
563 gettext_noop ("write statistics to file"),
564 &statistics_filename),
565
566 GNUNET_GETOPT_option_flag ('S',
567 "dist-static",
568 gettext_noop (
569 "distribute elements to a static subset of good peers"),
570 &dist_static),
571
572 GNUNET_GETOPT_option_flag ('V',
573 "verbose",
574 gettext_noop (
575 "be more verbose (print received values)"),
576 &verbose),
577
578 GNUNET_GETOPT_OPTION_END
579 };
580
581 conclude_timeout = GNUNET_TIME_UNIT_SECONDS;
582 GNUNET_PROGRAM_run2 (argc, argv, "gnunet-consensus-profiler",
583 "help",
584 options, &run, NULL, GNUNET_YES);
585 return 0;
586}