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-rw-r--r--src/cadet/Makefile.am8
-rw-r--r--src/cadet/gnunet-cadet-profiler.c1157
-rw-r--r--src/cadet/meson.build13
-rw-r--r--src/cadet/test_cadet.c1605
-rw-r--r--src/cadet/test_cadet_drop.conf4
-rw-r--r--src/cadet/test_cadet_flow.c891
6 files changed, 14 insertions, 3664 deletions
diff --git a/src/cadet/Makefile.am b/src/cadet/Makefile.am
index 9f59aba3c..3f1c79de0 100644
--- a/src/cadet/Makefile.am
+++ b/src/cadet/Makefile.am
@@ -75,11 +75,6 @@ gnunet_service_cadet_LDFLAGS = -lrt \
75endif 75endif
76 76
77 77
78#gnunet_cadet_profiler_SOURCES = \
79# gnunet-cadet-profiler.c
80#gnunet_cadet_profiler_LDADD = $(ld_cadet_test_lib)
81
82
83test_cadet_local_mq_SOURCES = \ 78test_cadet_local_mq_SOURCES = \
84 test_cadet_local_mq.c 79 test_cadet_local_mq.c
85test_cadet_local_mq_LDADD = \ 80test_cadet_local_mq_LDADD = \
@@ -94,5 +89,4 @@ endif
94 89
95EXTRA_DIST = \ 90EXTRA_DIST = \
96 cadet.h cadet_protocol.h \ 91 cadet.h cadet_protocol.h \
97 test_cadet.conf \ 92 test_cadet.conf
98 test_cadet_drop.conf
diff --git a/src/cadet/gnunet-cadet-profiler.c b/src/cadet/gnunet-cadet-profiler.c
deleted file mode 100644
index 22cbe55dc..000000000
--- a/src/cadet/gnunet-cadet-profiler.c
+++ /dev/null
@@ -1,1157 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2011 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 cadet/gnunet-cadet-profiler.c
22 *
23 * @brief Profiler for cadet experiments.
24 */
25#include "platform.h"
26#include <stdio.h>
27#include "cadet_test_lib.h"
28#include "gnunet_cadet_service.h"
29#include "gnunet_statistics_service.h"
30
31
32#define PING 1
33#define PONG 2
34
35
36/**
37 * Paximum ping period in milliseconds. Real period = rand (0, PING_PERIOD)
38 */
39#define PING_PERIOD 500
40
41/**
42 * How long until we give up on connecting the peers?
43 */
44#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
45
46/**
47 * Time to wait for stuff that should be rather fast
48 */
49#define SHORT_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
50
51/**
52 * Total number of rounds.
53 */
54#define number_rounds sizeof(rounds) / sizeof(rounds[0])
55
56/**
57 * Ratio of peers active. First round always is 1.0.
58 */
59static float rounds[] = { 0.8, 0.6, 0.8, 0.5, 0.3, 0.8, 0.0 };
60
61/**
62 * Message type for pings.
63 */
64struct CadetPingMessage
65{
66 /**
67 * Header. Type PING/PONG.
68 */
69 struct GNUNET_MessageHeader header;
70
71 /**
72 * Message number.
73 */
74 uint32_t counter;
75
76 /**
77 * Time the message was sent.
78 */
79 struct GNUNET_TIME_AbsoluteNBO timestamp;
80
81 /**
82 * Round number.
83 */
84 uint32_t round_number;
85};
86
87/**
88 * Peer description.
89 */
90struct CadetPeer
91{
92 /**
93 * Testbed Operation (to get peer id, etc).
94 */
95 struct GNUNET_TESTBED_Operation *op;
96
97 /**
98 * Peer ID.
99 */
100 struct GNUNET_PeerIdentity id;
101
102 /**
103 * Cadet handle for the root peer
104 */
105 struct GNUNET_CADET_Handle *cadet;
106
107 /**
108 * Channel handle for the root peer
109 */
110 struct GNUNET_CADET_Channel *ch;
111
112 /**
113 * Channel handle for the dest peer
114 */
115 struct GNUNET_CADET_Channel *incoming_ch;
116
117 /**
118 * Channel handle for a warmup channel.
119 */
120 struct GNUNET_CADET_Channel *warmup_ch;
121
122 /**
123 * Number of payload packes sent
124 */
125 int data_sent;
126
127 /**
128 * Number of payload packets received
129 */
130 int data_received;
131
132 /**
133 * Is peer up?
134 */
135 int up;
136
137 /**
138 * Destinaton to ping.
139 */
140 struct CadetPeer *dest;
141
142 /**
143 * Incoming channel for pings.
144 */
145 struct CadetPeer *incoming;
146
147 /**
148 * Task to do the next ping.
149 */
150 struct GNUNET_SCHEDULER_Task *ping_task;
151
152 /**
153 * NTR operation for the next ping.
154 */
155 struct GNUNET_CADET_TransmitHandle *ping_ntr;
156
157 float mean[number_rounds];
158 float var[number_rounds];
159 unsigned int pongs[number_rounds];
160 unsigned int pings[number_rounds];
161};
162
163/**
164 * Duration of each round.
165 */
166static struct GNUNET_TIME_Relative round_time;
167
168/**
169 * GNUNET_PeerIdentity -> CadetPeer
170 */
171static struct GNUNET_CONTAINER_MultiPeerMap *ids;
172
173/**
174 * Testbed peer handles.
175 */
176static struct GNUNET_TESTBED_Peer **testbed_handles;
177
178/**
179 * Testbed Operation (to get stats).
180 */
181static struct GNUNET_TESTBED_Operation *stats_op;
182
183/**
184 * Operation to get peer ids.
185 */
186static struct CadetPeer *peers;
187
188/**
189 * Peer ids counter.
190 */
191static unsigned int p_ids;
192
193/**
194 * Total number of peers.
195 */
196static unsigned long long peers_total;
197
198/**
199 * Number of currently running peers.
200 */
201static unsigned long long peers_running;
202
203/**
204 * Number of peers doing pings.
205 */
206static unsigned long long peers_pinging;
207
208/**
209 * Test context (to shut down).
210 */
211static struct GNUNET_CADET_TEST_Context *test_ctx;
212
213/**
214 * Task called to disconnect peers, before shutdown.
215 */
216static struct GNUNET_SCHEDULER_Task *disconnect_task;
217
218/**
219 * Task to perform tests
220 */
221static struct GNUNET_SCHEDULER_Task *test_task;
222
223/**
224 * Round number.
225 */
226static unsigned int current_round;
227
228/**
229 * Do preconnect? (Each peer creates a tunnel to one other peer).
230 */
231static int do_warmup;
232
233/**
234 * Warmup progress.
235 */
236static unsigned int peers_warmup;
237
238/**
239 * Flag to notify callbacks not to generate any new traffic anymore.
240 */
241static int test_finished;
242
243/**
244 * Task running each round of the benchmark.
245 */
246static struct GNUNET_SCHEDULER_Task *round_task;
247
248
249/**
250 * START THE TEST ITSELF, AS WE ARE CONNECTED TO THE CADET SERVICES.
251 *
252 * Testcase continues when the root receives confirmation of connected peers,
253 * on callback function ch.
254 *
255 * @param cls Closure (unused).
256 */
257static void
258start_test (void *cls);
259
260
261/**
262 * Calculate a random delay.
263 *
264 * @param max Exclusive maximum, in ms.
265 *
266 * @return A time between 0 a max-1 ms.
267 */
268static struct GNUNET_TIME_Relative
269delay_ms_rnd (unsigned int max)
270{
271 unsigned int rnd;
272
273 rnd = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, max);
274 return GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, rnd);
275}
276
277
278/**
279 * Get the index of a peer in the peers array.
280 *
281 * @param peer Peer whose index to get.
282 *
283 * @return Index of peer in peers.
284 */
285static unsigned int
286get_index (struct CadetPeer *peer)
287{
288 return peer - peers;
289}
290
291
292/**
293 * Show the results of the test (banwidth achieved) and log them to GAUGER
294 */
295static void
296show_end_data (void)
297{
298 struct CadetPeer *peer;
299 unsigned int i;
300 unsigned int j;
301
302 for (i = 0; i < number_rounds; i++)
303 {
304 for (j = 0; j < peers_pinging; j++)
305 {
306 peer = &peers[j];
307 fprintf (stdout,
308 "ROUND %3u PEER %3u: %10.2f / %10.2f, PINGS: %3u, PONGS: %3u\n",
309 i, j, peer->mean[i], sqrt (peer->var[i] / (peer->pongs[i] - 1)),
310 peer->pings[i], peer->pongs[i]);
311 }
312 }
313}
314
315
316/**
317 * Disconnect from cadet services af all peers, call shutdown.
318 *
319 * @param cls Closure (unused).
320 */
321static void
322disconnect_cadet_peers (void *cls)
323{
324 long line = (long) cls;
325 unsigned int i;
326
327 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
328 "disconnecting cadet service, called from line %ld\n",
329 line);
330 disconnect_task = NULL;
331 for (i = 0; i < peers_total; i++)
332 {
333 if (NULL != peers[i].op)
334 GNUNET_TESTBED_operation_done (peers[i].op);
335
336 if (peers[i].up != GNUNET_YES)
337 continue;
338
339 if (NULL != peers[i].ch)
340 {
341 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
342 "%u: channel %p\n", i, peers[i].ch);
343 GNUNET_CADET_channel_destroy (peers[i].ch);
344 }
345 if (NULL != peers[i].warmup_ch)
346 {
347 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
348 "%u: warmup channel %p\n",
349 i, peers[i].warmup_ch);
350 GNUNET_CADET_channel_destroy (peers[i].warmup_ch);
351 }
352 if (NULL != peers[i].incoming_ch)
353 {
354 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
355 "%u: incoming channel %p\n",
356 i, peers[i].incoming_ch);
357 GNUNET_CADET_channel_destroy (peers[i].incoming_ch);
358 }
359 }
360 GNUNET_CADET_TEST_cleanup (test_ctx);
361 GNUNET_SCHEDULER_shutdown ();
362}
363
364
365/**
366 * Shut down peergroup, clean up.
367 *
368 * @param cls Closure (unused).
369 */
370static void
371shutdown_task (void *cls)
372{
373 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
374 "Ending test.\n");
375 if (NULL != disconnect_task)
376 {
377 GNUNET_SCHEDULER_cancel (disconnect_task);
378 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
379 (void *) __LINE__);
380 }
381 if (NULL != round_task)
382 {
383 GNUNET_SCHEDULER_cancel (round_task);
384 round_task = NULL;
385 }
386 if (NULL != test_task)
387 {
388 GNUNET_SCHEDULER_cancel (test_task);
389 test_task = NULL;
390 }
391}
392
393
394/**
395 * Finish test normally: schedule disconnect and shutdown
396 *
397 * @param line Line in the code the abort is requested from (__LINE__).
398 */
399static void
400abort_test (long line)
401{
402 if (disconnect_task != NULL)
403 {
404 GNUNET_SCHEDULER_cancel (disconnect_task);
405 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
406 (void *) line);
407 }
408}
409
410
411/**
412 * Stats callback. Finish the stats testbed operation and when all stats have
413 * been iterated, shutdown the test.
414 *
415 * @param cls closure
416 * @param op the operation that has been finished
417 * @param emsg error message in case the operation has failed; will be NULL if
418 * operation has executed successfully.
419 */
420static void
421stats_cont (void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg)
422{
423 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "... collecting statistics done.\n");
424 GNUNET_TESTBED_operation_done (stats_op);
425
426 if (NULL != disconnect_task)
427 GNUNET_SCHEDULER_cancel (disconnect_task);
428 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
429 (void *) __LINE__);
430}
431
432
433/**
434 * Process statistic values.
435 *
436 * @param cls closure
437 * @param peer the peer the statistic belong to
438 * @param subsystem name of subsystem that created the statistic
439 * @param name the name of the datum
440 * @param value the current value
441 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
442 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
443 */
444static int
445stats_iterator (void *cls,
446 const struct GNUNET_TESTBED_Peer *peer,
447 const char *subsystem,
448 const char *name,
449 uint64_t value,
450 int is_persistent)
451{
452 uint32_t i;
453
454 i = GNUNET_TESTBED_get_index (peer);
455 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
456 " STATS %u - %s [%s]: %llu\n",
457 i, subsystem, name,
458 (unsigned long long) value);
459
460 return GNUNET_OK;
461}
462
463
464/**
465 * Task check that keepalives were sent and received.
466 *
467 * @param cls Closure (NULL).
468 */
469static void
470collect_stats (void *cls)
471{
472 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
473 "Start collecting statistics...\n");
474 stats_op = GNUNET_TESTBED_get_statistics (peers_total,
475 testbed_handles,
476 NULL, NULL,
477 &stats_iterator,
478 &stats_cont, NULL);
479}
480
481
482/**
483 * @brief Finish profiler normally. Signal finish and start collecting stats.
484 *
485 * @param cls Closure (unused).
486 */
487static void
488finish_profiler (void *cls)
489{
490 test_finished = GNUNET_YES;
491 show_end_data ();
492 GNUNET_SCHEDULER_add_now (&collect_stats, NULL);
493}
494
495
496/**
497 * Set the total number of running peers.
498 *
499 * @param target Desired number of running peers.
500 */
501static void
502adjust_running_peers (unsigned int target)
503{
504 struct GNUNET_TESTBED_Operation *op;
505 unsigned int delta;
506 unsigned int run;
507 unsigned int i;
508 unsigned int r;
509
510 GNUNET_assert (target <= peers_total);
511
512 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "adjust peers to %u\n", target);
513 if (target > peers_running)
514 {
515 delta = target - peers_running;
516 run = GNUNET_YES;
517 }
518 else
519 {
520 delta = peers_running - target;
521 run = GNUNET_NO;
522 }
523
524 for (i = 0; i < delta; i++)
525 {
526 do
527 {
528 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
529 peers_total - peers_pinging);
530 r += peers_pinging;
531 }
532 while (peers[r].up == run || NULL != peers[r].incoming);
533 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "St%s peer %u: %s\n",
534 run ? "arting" : "opping", r, GNUNET_i2s (&peers[r].id));
535
536 if (NULL != peers[r].ping_task)
537 {
538 GNUNET_SCHEDULER_cancel (peers[r].ping_task);
539 peers[r].ping_task = NULL;
540 }
541 if (NULL != peers[r].ping_ntr)
542 {
543 GNUNET_CADET_notify_transmit_ready_cancel (peers[r].ping_ntr);
544 peers[r].ping_ntr = NULL;
545 }
546 peers[r].up = run;
547
548 if (NULL != peers[r].ch)
549 GNUNET_CADET_channel_destroy (peers[r].ch);
550 peers[r].ch = NULL;
551 if (NULL != peers[r].dest)
552 {
553 if (NULL != peers[r].dest->incoming_ch)
554 GNUNET_CADET_channel_destroy (peers[r].dest->incoming_ch);
555 peers[r].dest->incoming_ch = NULL;
556 }
557
558 op = GNUNET_TESTBED_peer_manage_service (&peers[r], testbed_handles[r],
559 "cadet", NULL, NULL, run);
560 GNUNET_break (NULL != op);
561 peers_running += run ? 1 : -1;
562 GNUNET_assert (peers_running > 0);
563 }
564}
565
566
567/**
568 * @brief Move to next round.
569 *
570 * @param cls Closure (round #).
571 */
572static void
573next_rnd (void *cls)
574{
575 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
576 "ROUND %u\n",
577 current_round);
578 if (0.0 == rounds[current_round])
579 {
580 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finishing\n");
581 GNUNET_SCHEDULER_add_now (&finish_profiler, NULL);
582 return;
583 }
584 adjust_running_peers (rounds[current_round] * peers_total);
585 current_round++;
586
587 round_task = GNUNET_SCHEDULER_add_delayed (round_time,
588 &next_rnd,
589 NULL);
590}
591
592
593/**
594 * Transmit ping callback.
595 *
596 * @param cls Closure (peer for PING, NULL for PONG).
597 * @param size Size of the transmit buffer.
598 * @param buf Pointer to the beginning of the buffer.
599 *
600 * @return Number of bytes written to buf.
601 */
602static size_t
603tmt_rdy_ping (void *cls, size_t size, void *buf);
604
605
606/**
607 * Transmit pong callback.
608 *
609 * @param cls Closure (copy of PING message, to be freed).
610 * @param size Size of the buffer we have.
611 * @param buf Buffer to copy data to.
612 */
613static size_t
614tmt_rdy_pong (void *cls, size_t size, void *buf)
615{
616 struct CadetPingMessage *ping = cls;
617 struct CadetPingMessage *pong;
618
619 if ((0 == size) || (NULL == buf))
620 {
621 GNUNET_free (ping);
622 return 0;
623 }
624 pong = (struct CadetPingMessage *) buf;
625 GNUNET_memcpy (pong, ping, sizeof(*ping));
626 pong->header.type = htons (PONG);
627
628 GNUNET_free (ping);
629 return sizeof(*ping);
630}
631
632
633/**
634 * @brief Send a ping to destination
635 *
636 * @param cls Closure (peer).
637 */
638static void
639ping (void *cls)
640{
641 struct CadetPeer *peer = cls;
642
643 peer->ping_task = NULL;
644 if (GNUNET_YES == test_finished)
645 return;
646 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
647 "%u -> %u (%u)\n",
648 get_index (peer),
649 get_index (peer->dest),
650 peer->data_sent);
651 peer->ping_ntr = GNUNET_CADET_notify_transmit_ready (peer->ch, GNUNET_NO,
652 GNUNET_TIME_UNIT_FOREVER_REL,
653 sizeof(struct
654 CadetPingMessage),
655 &tmt_rdy_ping, peer);
656}
657
658
659/**
660 * @brief Reply with a pong to origin.
661 *
662 */
663static void
664pong (struct GNUNET_CADET_Channel *channel,
665 const struct CadetPingMessage *ping)
666{
667 struct CadetPingMessage *copy;
668
669 copy = GNUNET_new (struct CadetPingMessage);
670 *copy = *ping;
671 GNUNET_CADET_notify_transmit_ready (channel, GNUNET_NO,
672 GNUNET_TIME_UNIT_FOREVER_REL,
673 sizeof(struct CadetPingMessage),
674 &tmt_rdy_pong, copy);
675}
676
677
678/**
679 * Transmit ping callback
680 *
681 * @param cls Closure (peer).
682 * @param size Size of the buffer we have.
683 * @param buf Buffer to copy data to.
684 */
685static size_t
686tmt_rdy_ping (void *cls, size_t size, void *buf)
687{
688 struct CadetPeer *peer = cls;
689 struct CadetPingMessage *msg = buf;
690
691 peer->ping_ntr = NULL;
692 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
693 "tmt_rdy called, filling buffer\n");
694 if ((size < sizeof(struct CadetPingMessage)) || (NULL == buf))
695 {
696 GNUNET_break (GNUNET_YES == test_finished);
697 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
698 "size %u, buf %p, data_sent %u, data_received %u\n",
699 (unsigned int) size,
700 buf,
701 peer->data_sent,
702 peer->data_received);
703
704 return 0;
705 }
706 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
707 "Sending: msg %d\n",
708 peer->data_sent);
709 msg->header.size = htons (size);
710 msg->header.type = htons (PING);
711 msg->counter = htonl (peer->data_sent++);
712 msg->round_number = htonl (current_round);
713 msg->timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
714 peer->pings[current_round]++;
715 peer->ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (PING_PERIOD),
716 &ping, peer);
717
718 return sizeof(struct CadetPingMessage);
719}
720
721
722/**
723 * Function is called whenever a PING message is received.
724 *
725 * @param cls closure (peer #, set from GNUNET_CADET_connect)
726 * @param channel connection to the other end
727 * @param channel_ctx place to store local state associated with the channel
728 * @param message the actual message
729 * @return GNUNET_OK to keep the connection open,
730 * GNUNET_SYSERR to close it (signal serious error)
731 */
732int
733ping_handler (void *cls, struct GNUNET_CADET_Channel *channel,
734 void **channel_ctx,
735 const struct GNUNET_MessageHeader *message)
736{
737 long n = (long) cls;
738
739 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
740 "%u got PING\n",
741 (unsigned int) n);
742 GNUNET_CADET_receive_done (channel);
743 if (GNUNET_NO == test_finished)
744 pong (channel, (struct CadetPingMessage *) message);
745
746 return GNUNET_OK;
747}
748
749
750/**
751 * Function is called whenever a PONG message is received.
752 *
753 * @param cls closure (peer #, set from GNUNET_CADET_connect)
754 * @param channel connection to the other end
755 * @param channel_ctx place to store local state associated with the channel
756 * @param message the actual message
757 * @return GNUNET_OK to keep the connection open,
758 * GNUNET_SYSERR to close it (signal serious error)
759 */
760int
761pong_handler (void *cls, struct GNUNET_CADET_Channel *channel,
762 void **channel_ctx,
763 const struct GNUNET_MessageHeader *message)
764{
765 long n = (long) cls;
766 struct CadetPeer *peer;
767 struct CadetPingMessage *msg;
768 struct GNUNET_TIME_Absolute send_time;
769 struct GNUNET_TIME_Relative latency;
770 unsigned int r /* Ping round */;
771 float delta;
772
773 GNUNET_CADET_receive_done (channel);
774 peer = &peers[n];
775
776 msg = (struct CadetPingMessage *) message;
777
778 send_time = GNUNET_TIME_absolute_ntoh (msg->timestamp);
779 latency = GNUNET_TIME_absolute_get_duration (send_time);
780 r = ntohl (msg->round_number);
781 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%u <- %u (%u) latency: %s\n",
782 get_index (peer),
783 get_index (peer->dest),
784 (uint32_t) ntohl (msg->counter),
785 GNUNET_STRINGS_relative_time_to_string (latency, GNUNET_NO));
786
787 /* Online variance calculation */
788 peer->pongs[r]++;
789 delta = latency.rel_value_us - peer->mean[r];
790 peer->mean[r] = peer->mean[r] + delta / peer->pongs[r];
791 peer->var[r] += delta * (latency.rel_value_us - peer->mean[r]);
792
793 return GNUNET_OK;
794}
795
796
797/**
798 * Handlers, for diverse services
799 */
800static struct GNUNET_CADET_MessageHandler handlers[] = {
801 { &ping_handler, PING, sizeof(struct CadetPingMessage) },
802 { &pong_handler, PONG, sizeof(struct CadetPingMessage) },
803 { NULL, 0, 0 }
804};
805
806
807/**
808 * Method called whenever another peer has added us to a channel
809 * the other peer initiated.
810 *
811 * @param cls Closure.
812 * @param channel New handle to the channel.
813 * @param initiator Peer that started the channel.
814 * @param port Port this channel is connected to.
815 * @param options channel option flags
816 * @return Initial channel context for the channel
817 * (can be NULL -- that's not an error).
818 */
819static void *
820incoming_channel (void *cls, struct GNUNET_CADET_Channel *channel,
821 const struct GNUNET_PeerIdentity *initiator,
822 const struct GNUNET_HashCode *port,
823 enum GNUNET_CADET_ChannelOption options)
824{
825 long n = (long) cls;
826 struct CadetPeer *peer;
827
828 peer = GNUNET_CONTAINER_multipeermap_get (ids, initiator);
829 GNUNET_assert (NULL != peer);
830 if (NULL == peers[n].incoming)
831 {
832 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
833 "WARMUP %3u: %u <= %u\n",
834 peers_warmup,
835 (unsigned int) n,
836 get_index (peer));
837 peers_warmup++;
838 if (peers_warmup < peers_total)
839 return NULL;
840 if (NULL != test_task)
841 {
842 GNUNET_SCHEDULER_cancel (test_task);
843 test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
844 &start_test, NULL);
845 }
846 return NULL;
847 }
848 GNUNET_assert (peer == peers[n].incoming);
849 GNUNET_assert (peer->dest == &peers[n]);
850 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
851 "%u <= %u %p\n",
852 (unsigned int) n,
853 get_index (peer),
854 channel);
855 peers[n].incoming_ch = channel;
856
857 return NULL;
858}
859
860
861/**
862 * Function called whenever an inbound channel is destroyed. Should clean up
863 * any associated state.
864 *
865 * @param cls closure (set from GNUNET_CADET_connect)
866 * @param channel connection to the other end (henceforth invalid)
867 * @param channel_ctx place where local state associated
868 * with the channel is stored
869 */
870static void
871channel_cleaner (void *cls,
872 const struct GNUNET_CADET_Channel *channel,
873 void *channel_ctx)
874{
875 long n = (long) cls;
876 struct CadetPeer *peer = &peers[n];
877
878 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
879 "Channel %p disconnected at peer %ld\n", channel, n);
880 if (peer->ch == channel)
881 peer->ch = NULL;
882}
883
884
885/**
886 * Select a random peer that has no incoming channel
887 *
888 * @param peer ID of the peer connecting. NULL if irrelevant (warmup).
889 *
890 * @return Random peer not yet connected to.
891 */
892static struct CadetPeer *
893select_random_peer (struct CadetPeer *peer)
894{
895 unsigned int r;
896
897 do
898 {
899 r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, peers_total);
900 }
901 while (NULL != peers[r].incoming);
902 peers[r].incoming = peer;
903
904 return &peers[r];
905}
906
907
908/**
909 * START THE TEST ITSELF, AS WE ARE CONNECTED TO THE CADET SERVICES.
910 *
911 * Testcase continues when the root receives confirmation of connected peers,
912 * on callback function ch.
913 *
914 * @param cls Closure (unused).
915 */
916static void
917start_test (void *cls)
918{
919 unsigned long i;
920
921 test_task = NULL;
922 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Start profiler\n");
923
924
925 for (i = 0; i < peers_pinging; i++)
926 {
927 peers[i].dest = select_random_peer (&peers[i]);
928 peers[i].ch = GNUNET_CADET_channel_create (peers[i].cadet, NULL,
929 &peers[i].dest->id,
930 GC_u2h (1));
931 if (NULL == peers[i].ch)
932 {
933 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Channel %lu failed\n", i);
934 GNUNET_CADET_TEST_cleanup (test_ctx);
935 return;
936 }
937 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
938 "%lu => %u %p\n",
939 i,
940 get_index (peers[i].dest),
941 peers[i].ch);
942 peers[i].ping_task = GNUNET_SCHEDULER_add_delayed (delay_ms_rnd (2000),
943 &ping, &peers[i]);
944 }
945 peers_running = peers_total;
946 if (NULL != disconnect_task)
947 GNUNET_SCHEDULER_cancel (disconnect_task);
948 disconnect_task =
949 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (round_time,
950 number_rounds
951 + 1),
952 &disconnect_cadet_peers,
953 (void *) __LINE__);
954 round_task = GNUNET_SCHEDULER_add_delayed (round_time,
955 &next_rnd,
956 NULL);
957}
958
959
960/**
961 * Do warmup: create some channels to spread information about the topology.
962 */
963static void
964warmup (void)
965{
966 struct CadetPeer *peer;
967 unsigned int i;
968
969 for (i = 0; i < peers_total; i++)
970 {
971 peer = select_random_peer (NULL);
972 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "WARMUP %u => %u\n",
973 i, get_index (peer));
974 peers[i].warmup_ch =
975 GNUNET_CADET_channel_create (peers[i].cadet, NULL, &peer->id,
976 GC_u2h (1));
977 if (NULL == peers[i].warmup_ch)
978 {
979 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Warmup %u failed\n", i);
980 GNUNET_CADET_TEST_cleanup (test_ctx);
981 return;
982 }
983 }
984}
985
986
987/**
988 * Callback to be called when the requested peer information is available
989 *
990 * @param cls the closure from GNUNET_TESTBED_peer_get_information()
991 * @param op the operation this callback corresponds to
992 * @param pinfo the result; will be NULL if the operation has failed
993 * @param emsg error message if the operation has failed;
994 * NULL if the operation is successful
995 */
996static void
997peer_id_cb (void *cls,
998 struct GNUNET_TESTBED_Operation *op,
999 const struct GNUNET_TESTBED_PeerInformation *pinfo,
1000 const char *emsg)
1001{
1002 long n = (long) cls;
1003
1004 if ((NULL == pinfo) || (NULL != emsg))
1005 {
1006 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "pi_cb: %s\n", emsg);
1007 abort_test (__LINE__);
1008 return;
1009 }
1010 peers[n].id = *(pinfo->result.id);
1011 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1012 "%ld id: %s\n",
1013 n,
1014 GNUNET_i2s (&peers[n].id));
1015 GNUNET_break (GNUNET_OK ==
1016 GNUNET_CONTAINER_multipeermap_put (ids, &peers[n].id, &peers[n],
1017 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
1018
1019 GNUNET_TESTBED_operation_done (peers[n].op);
1020 peers[n].op = NULL;
1021
1022 p_ids++;
1023 if (p_ids < peers_total)
1024 return;
1025 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Got all IDs, starting profiler\n");
1026 if (do_warmup)
1027 {
1028 struct GNUNET_TIME_Relative delay;
1029
1030 warmup ();
1031 delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
1032 100 * peers_total);
1033 test_task = GNUNET_SCHEDULER_add_delayed (delay, &start_test, NULL);
1034 return; /* start_test from incoming_channel */
1035 }
1036 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting in a second...\n");
1037 test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
1038 &start_test, NULL);
1039}
1040
1041
1042/**
1043 * test main: start test when all peers are connected
1044 *
1045 * @param cls Closure.
1046 * @param ctx Argument to give to GNUNET_CADET_TEST_cleanup on test end.
1047 * @param num_peers Number of peers that are running.
1048 * @param testbed_peers Array of peers.
1049 * @param cadetes Handle to each of the CADETs of the peers.
1050 */
1051static void
1052tmain (void *cls,
1053 struct GNUNET_CADET_TEST_Context *ctx,
1054 unsigned int num_peers,
1055 struct GNUNET_TESTBED_Peer **testbed_peers,
1056 struct GNUNET_CADET_Handle **cadetes)
1057{
1058 unsigned long i;
1059
1060 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1061 "test main\n");
1062 test_ctx = ctx;
1063 GNUNET_assert (peers_total == num_peers);
1064 peers_running = num_peers;
1065 testbed_handles = testbed_peers;
1066 disconnect_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
1067 &disconnect_cadet_peers,
1068 (void *) __LINE__);
1069 GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
1070 for (i = 0; i < peers_total; i++)
1071 {
1072 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1073 "requesting id %ld\n",
1074 i);
1075 peers[i].up = GNUNET_YES;
1076 peers[i].cadet = cadetes[i];
1077 peers[i].op =
1078 GNUNET_TESTBED_peer_get_information (testbed_handles[i],
1079 GNUNET_TESTBED_PIT_IDENTITY,
1080 &peer_id_cb, (void *) i);
1081 }
1082 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "requested peer ids\n");
1083 /* Continues from pi_cb -> do_test */
1084}
1085
1086
1087/**
1088 * Main: start profiler.
1089 */
1090int
1091main (int argc, char *argv[])
1092{
1093 static const struct GNUNET_HashCode *ports[2];
1094 const char *config_file;
1095
1096 config_file = ".profiler.conf";
1097
1098 if (4 > argc)
1099 {
1100 fprintf (stderr,
1101 "usage: %s ROUND_TIME PEERS PINGS [DO_WARMUP]\n",
1102 argv[0]);
1103 fprintf (stderr,
1104 "example: %s 30s 16 1 Y\n",
1105 argv[0]);
1106 return 1;
1107 }
1108
1109 if (GNUNET_OK !=
1110 GNUNET_STRINGS_fancy_time_to_relative (argv[1],
1111 &round_time))
1112 {
1113 fprintf (stderr,
1114 "%s is not a valid time\n",
1115 argv[1]);
1116 return 1;
1117 }
1118
1119 peers_total = atoll (argv[2]);
1120 if (2 > peers_total)
1121 {
1122 fprintf (stderr,
1123 "%s peers is not valid (> 2)\n",
1124 argv[1]);
1125 return 1;
1126 }
1127 peers = GNUNET_new_array (peers_total,
1128 struct CadetPeer);
1129 peers_pinging = atoll (argv[3]);
1130
1131 if (peers_total < 2 * peers_pinging)
1132 {
1133 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1134 "not enough peers, total should be > 2 * peers_pinging\n");
1135 return 1;
1136 }
1137
1138 do_warmup = (5 > argc || argv[4][0] != 'N');
1139
1140 ids = GNUNET_CONTAINER_multipeermap_create (2 * peers_total,
1141 GNUNET_YES);
1142 GNUNET_assert (NULL != ids);
1143 p_ids = 0;
1144 test_finished = GNUNET_NO;
1145 ports[0] = GC_u2h (1);
1146 ports[1] = 0;
1147 GNUNET_CADET_TEST_run ("cadet-profiler", config_file, peers_total,
1148 &tmain, NULL, /* tmain cls */
1149 &incoming_channel, &channel_cleaner,
1150 handlers, ports);
1151 GNUNET_free (peers);
1152
1153 return 0;
1154}
1155
1156
1157/* end of gnunet-cadet-profiler.c */
diff --git a/src/cadet/meson.build b/src/cadet/meson.build
index 5684d06ea..a961c8e76 100644
--- a/src/cadet/meson.build
+++ b/src/cadet/meson.build
@@ -72,3 +72,16 @@ executable ('gnunet-service-cadet',
72 install: true, 72 install: true,
73 install_dir: get_option('libdir') / 'gnunet' / 'libexec') 73 install_dir: get_option('libdir') / 'gnunet' / 'libexec')
74 74
75testcadetlocalmq = executable ('test_cadet_local_mq',
76 ['test_cadet_local_mq.c'],
77 dependencies: [libgnunetcadet_dep,
78 libgnunettesting_dep,
79 libgnunetutil_dep],
80 include_directories: [incdir, configuration_inc],
81 install: false)
82configure_file(input : 'test_cadet.conf',
83 output : 'test_cadet.conf',
84 configuration : cdata,
85 install: false)
86test('test_cadet_local_mq', testcadetlocalmq, workdir: meson.current_build_dir(), suite: 'cadet')
87
diff --git a/src/cadet/test_cadet.c b/src/cadet/test_cadet.c
deleted file mode 100644
index 61c09f389..000000000
--- a/src/cadet/test_cadet.c
+++ /dev/null
@@ -1,1605 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2011, 2017 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 cadet/test_cadet.c
22 * @author Bart Polot
23 * @author Christian Grothoff
24 * @brief Test for the cadet service using mq API.
25 */
26#include "platform.h"
27#include <stdio.h>
28#include "cadet.h"
29#include "cadet_test_lib.h"
30#include "gnunet_cadet_service.h"
31#include "gnunet_statistics_service.h"
32#include <gauger.h>
33
34
35/**
36 * Ugly workaround to unify data handlers on incoming and outgoing channels.
37 */
38struct CadetTestChannelWrapper
39{
40 /**
41 * Channel pointer.
42 */
43 struct GNUNET_CADET_Channel *ch;
44};
45
46/**
47 * How many messages to send by default.
48 */
49#define TOTAL_PACKETS 500 /* Cannot exceed 64k! */
50
51/**
52 * How long until we give up on connecting the peers?
53 */
54#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
55
56/**
57 * Time to wait by default for stuff that should be rather fast.
58 */
59#define SHORT_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 20)
60
61/**
62 * How fast do we send messages?
63 */
64#define SEND_INTERVAL GNUNET_TIME_relative_multiply ( \
65 GNUNET_TIME_UNIT_MILLISECONDS, 10)
66
67/**
68 * DIFFERENT TESTS TO RUN
69 */
70#define SETUP 0
71#define FORWARD 1
72#define KEEPALIVE 2
73#define SPEED 3
74#define SPEED_ACK 4
75#define SPEED_REL 8
76#define P2P_SIGNAL 10
77#define REOPEN 11
78#define DESTROY 12
79
80/**
81 * Active peer listing operation.
82 */
83static struct GNUNET_CADET_PeersLister *plo;
84
85/*
86 * Task called to check for existing tunnel and depending on that reopen channel
87 */
88static struct GNUNET_SCHEDULER_Task *get_peers_task;
89
90/**
91 * Which test are we running?
92 */
93static int test;
94
95/**
96 * String with test name
97 */
98static char *test_name;
99
100/**
101 * Flag to send traffic leaf->root in speed tests to test BCK_ACK logic.
102 */
103static int test_backwards = GNUNET_NO;
104
105/**
106 * How many packets to send.
107 */
108static unsigned int total_packets;
109
110/**
111 * Time to wait for fast operations.
112 */
113static struct GNUNET_TIME_Relative short_time;
114
115/**
116 * How many events have happened
117 */
118static int ok;
119
120/**
121 * Number of events expected to conclude the test successfully.
122 */
123static int ok_goal;
124
125/**
126 * Size of each test packet's payload
127 */
128static size_t size_payload = sizeof(uint32_t);
129
130/**
131 * Operation to get peer ids.
132 */
133static struct GNUNET_TESTBED_Operation *t_op[2];
134
135/**
136 * Peer ids.
137 */
138static struct GNUNET_PeerIdentity *testpeer_id[2];
139
140/**
141 * Peer ids.
142 */
143static struct GNUNET_CONFIGURATION_Handle *p_cfg[2];
144
145/**
146 * Port ID
147 */
148static struct GNUNET_HashCode port;
149
150/**
151 * Peer ids counter.
152 */
153static unsigned int peerinfo_task_cnt;
154
155/**
156 * Is the setup initialized?
157 */
158static int initialized;
159
160/**
161 * Number of payload packes sent.
162 */
163static int data_sent;
164
165/**
166 * Number of payload packets received.
167 */
168static int data_received;
169
170/**
171 * Number of payload packed acknowledgements sent.
172 */
173static int ack_sent;
174
175/**
176 * Number of payload packed explicitly (app level) acknowledged.
177 */
178static int ack_received;
179
180/**
181 * Total number of peers asked to run.
182 */
183static unsigned long long peers_requested;
184
185/**
186 * Number of currently running peers (should be same as @c peers_requested).
187 */
188static unsigned long long peers_running;
189
190/**
191 * Test context (to shut down).
192 */
193struct GNUNET_CADET_TEST_Context *test_ctx;
194
195/**
196 * Task called to disconnect peers.
197 */
198static struct GNUNET_SCHEDULER_Task *disconnect_task;
199
200/**
201 * Task called to reconnect peers.
202 */
203static struct GNUNET_SCHEDULER_Task *reconnect_task;
204
205/**
206 * Task To perform tests
207 */
208static struct GNUNET_SCHEDULER_Task *test_task;
209
210/**
211 * Task runnining #send_next_msg().
212 */
213static struct GNUNET_SCHEDULER_Task *send_next_msg_task;
214
215/**
216 * Channel handle for the root peer
217 */
218static struct GNUNET_CADET_Channel *outgoing_ch;
219
220/**
221 * Channel handle for the dest peer
222 */
223static struct GNUNET_CADET_Channel *incoming_ch;
224
225/**
226 * Time we started the data transmission (after channel has been established
227 * and initialized).
228 */
229static struct GNUNET_TIME_Absolute start_time;
230
231/**
232 * Peers handle.
233 */
234static struct GNUNET_TESTBED_Peer **testbed_peers;
235
236
237struct GNUNET_CADET_Handle **cadets_running;
238
239/**
240 * Statistics operation handle.
241 */
242static struct GNUNET_TESTBED_Operation *stats_op;
243
244/**
245 * Keepalives sent.
246 */
247static unsigned int ka_sent;
248
249/**
250 * Keepalives received.
251 */
252static unsigned int ka_received;
253
254/**
255 * How many messages were dropped by CADET because of full buffers?
256 */
257static unsigned int msg_dropped;
258
259/**
260 * Drop the next cadet message of a given type..
261 *
262 * @param mq message queue
263 * @param ccn client channel number.
264 * @param type of cadet message to be dropped.
265 */
266void
267GNUNET_CADET_drop_message (struct GNUNET_MQ_Handle *mq,
268 struct GNUNET_CADET_ClientChannelNumber ccn,
269 uint16_t type);
270
271/******************************************************************************/
272
273
274/******************************************************************************/
275
276
277/**
278 * Get the channel considered as the "target" or "receiver", depending on
279 * the test type and size.
280 *
281 * @return Channel handle of the target client, either 0 (for backward tests)
282 * or the last peer in the line (for other tests).
283 */
284static struct GNUNET_CADET_Channel *
285get_target_channel ()
286{
287 if ((SPEED == test) && (GNUNET_YES == test_backwards))
288 return outgoing_ch;
289 else
290 return incoming_ch;
291}
292
293
294/**
295 * Show the results of the test (banwidth achieved) and log them to GAUGER
296 */
297static void
298show_end_data (void)
299{
300 static struct GNUNET_TIME_Absolute end_time;
301 static struct GNUNET_TIME_Relative total_time;
302
303 end_time = GNUNET_TIME_absolute_get ();
304 total_time = GNUNET_TIME_absolute_get_difference (start_time, end_time);
305 fprintf (stderr,
306 "\nResults of test \"%s\"\n",
307 test_name);
308 fprintf (stderr,
309 "Test time %s\n",
310 GNUNET_STRINGS_relative_time_to_string (total_time, GNUNET_YES));
311 fprintf (stderr,
312 "Test bandwidth: %f kb/s\n",
313 4 * total_packets * 1.0 / (total_time.rel_value_us / 1000)); // 4bytes * ms
314 fprintf (stderr,
315 "Test throughput: %f packets/s\n\n",
316 total_packets * 1000.0 / (total_time.rel_value_us / 1000)); // packets * ms
317 GAUGER ("CADET",
318 test_name,
319 total_packets * 1000.0 / (total_time.rel_value_us / 1000),
320 "packets/s");
321}
322
323
324/**
325 * Disconnect from cadet services af all peers, call shutdown.
326 *
327 * @param cls Closure (line number from which termination was requested).
328 * @param tc Task Context.
329 */
330static void
331disconnect_cadet_peers (void *cls)
332{
333 long line = (long) cls;
334
335 disconnect_task = NULL;
336 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
337 "disconnecting cadet service of peers, called from line %ld\n",
338 line);
339 for (unsigned int i = 0; i < 2; i++)
340 {
341 GNUNET_TESTBED_operation_done (t_op[i]);
342 }
343 if (NULL != outgoing_ch)
344 {
345 GNUNET_CADET_channel_destroy (outgoing_ch);
346 outgoing_ch = NULL;
347 }
348 if (NULL != incoming_ch)
349 {
350 GNUNET_CADET_channel_destroy (incoming_ch);
351 incoming_ch = NULL;
352 }
353 GNUNET_CADET_TEST_cleanup (test_ctx);
354 GNUNET_SCHEDULER_shutdown ();
355}
356
357
358/**
359 * Shut down peergroup, clean up.
360 *
361 * @param cls Closure (unused).
362 * @param tc Task Context.
363 */
364static void
365shutdown_task (void *cls)
366{
367 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
368 "Ending test.\n");
369 if (NULL != send_next_msg_task)
370 {
371 GNUNET_SCHEDULER_cancel (send_next_msg_task);
372 send_next_msg_task = NULL;
373 }
374 if (NULL != test_task)
375 {
376 GNUNET_SCHEDULER_cancel (test_task);
377 test_task = NULL;
378 }
379 if (NULL != disconnect_task)
380 {
381 GNUNET_SCHEDULER_cancel (disconnect_task);
382 disconnect_task =
383 GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
384 (void *) __LINE__);
385 }
386}
387
388
389/**
390 * Stats callback. Finish the stats testbed operation and when all stats have
391 * been iterated, shutdown the test.
392 *
393 * @param cls Closure (line number from which termination was requested).
394 * @param op the operation that has been finished
395 * @param emsg error message in case the operation has failed; will be NULL if
396 * operation has executed successfully.
397 */
398static void
399stats_cont (void *cls,
400 struct GNUNET_TESTBED_Operation *op,
401 const char *emsg)
402{
403 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
404 "KA sent: %u, KA received: %u\n",
405 ka_sent,
406 ka_received);
407 if (((KEEPALIVE == test) || (REOPEN == test)) &&
408 ((ka_sent < 2) || (ka_sent > ka_received + 1)))
409 {
410 GNUNET_break (0);
411 ok--;
412 }
413 GNUNET_TESTBED_operation_done (stats_op);
414
415 if (NULL != disconnect_task)
416 GNUNET_SCHEDULER_cancel (disconnect_task);
417 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
418 cls);
419}
420
421
422/**
423 * Process statistic values.
424 *
425 * @param cls closure (line number, unused)
426 * @param peer the peer the statistic belong to
427 * @param subsystem name of subsystem that created the statistic
428 * @param name the name of the datum
429 * @param value the current value
430 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
431 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
432 */
433static int
434stats_iterator (void *cls,
435 const struct GNUNET_TESTBED_Peer *peer,
436 const char *subsystem,
437 const char *name,
438 uint64_t value,
439 int is_persistent)
440{
441 static const char *s_sent = "# keepalives sent";
442 static const char *s_recv = "# keepalives received";
443 static const char *rdrops = "# messages dropped due to full buffer";
444 static const char *cdrops = "# messages dropped due to slow client";
445 uint32_t i;
446
447 i = GNUNET_TESTBED_get_index (peer);
448 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "STATS PEER %u - %s [%s]: %llu\n", i,
449 subsystem, name, (unsigned long long) value);
450 if ((0 == strncmp (s_sent, name, strlen (s_sent))) && (0 == i))
451 ka_sent = value;
452 if ((0 == strncmp (s_recv, name, strlen (s_recv))) && (peers_requested - 1 ==
453 i) )
454 ka_received = value;
455 if (0 == strncmp (rdrops, name, strlen (rdrops)))
456 msg_dropped += value;
457 if (0 == strncmp (cdrops, name, strlen (cdrops)))
458 msg_dropped += value;
459
460 return GNUNET_OK;
461}
462
463
464/**
465 * Task to gather all statistics.
466 *
467 * @param cls Closure (line from which the task was scheduled).
468 */
469static void
470gather_stats_and_exit (void *cls)
471{
472 long l = (long) cls;
473
474 disconnect_task = NULL;
475 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
476 "gathering statistics from line %ld\n",
477 l);
478 if (NULL != outgoing_ch)
479 {
480 GNUNET_CADET_channel_destroy (outgoing_ch);
481 outgoing_ch = NULL;
482 }
483 stats_op = GNUNET_TESTBED_get_statistics (peers_running,
484 testbed_peers,
485 "cadet",
486 NULL,
487 &stats_iterator,
488 stats_cont,
489 cls);
490}
491
492
493/**
494 * Send a message on the channel with the appropriate size and payload.
495 *
496 * Update the appropriate *_sent counter.
497 *
498 * @param channel Channel to send the message on.
499 */
500static void
501send_test_message (struct GNUNET_CADET_Channel *channel);
502
503/**
504 * Check if payload is sane (size contains payload).
505 *
506 * @param cls should match #ch
507 * @param message The actual message.
508 * @return #GNUNET_OK to keep the channel open,
509 * #GNUNET_SYSERR to close it (signal serious error).
510 */
511static int
512check_data (void *cls,
513 const struct GNUNET_MessageHeader *message);
514
515/**
516 * Function is called whenever a message is received.
517 *
518 * @param cls closure (set from GNUNET_CADET_connect(), peer number)
519 * @param message the actual message
520 */
521static void
522handle_data (void *cls,
523 const struct GNUNET_MessageHeader *message);
524
525/**
526 * Function called whenever an MQ-channel is destroyed, unless the destruction
527 * was requested by #GNUNET_CADET_channel_destroy.
528 * It must NOT call #GNUNET_CADET_channel_destroy on the channel.
529 *
530 * It should clean up any associated state, including cancelling any pending
531 * transmission on this channel.
532 *
533 * @param cls Channel closure (channel wrapper).
534 * @param channel Connection to the other end (henceforth invalid).
535 */
536static void
537disconnect_handler (void *cls,
538 const struct GNUNET_CADET_Channel *channel);
539
540static struct GNUNET_PeerIdentity *
541get_from_p_ids ()
542{
543 if (0 < GNUNET_memcmp (testpeer_id[0], testpeer_id[1]))
544 {
545 return testpeer_id[1];
546 }
547 else
548 {
549 return testpeer_id[0];
550 }
551}
552
553
554static struct GNUNET_CADET_Handle *
555get_from_cadets ()
556{
557
558 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "1\n");
559 if (0 < GNUNET_memcmp (testpeer_id[0], testpeer_id[1]))
560 {
561 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "standard peer\n");
562 return cadets_running[0];
563 }
564 else
565 {
566 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "the other peer\n");
567 return cadets_running[peers_running - 1];
568 }
569
570}
571
572
573static unsigned int
574get_peer_nr (int outgoing)
575{
576 if (0 < GNUNET_memcmp (testpeer_id[0], testpeer_id[1]))
577 {
578 return GNUNET_YES == outgoing ? 0 : peers_running - 1;
579 }
580 else
581 {
582 return GNUNET_YES == outgoing ? peers_running - 1 : 0;
583 }
584}
585
586
587/**
588 * Task to reconnect to other peer.
589 *
590 * @param cls Closure (line from which the task was scheduled).
591 */
592static void
593reconnect_op (void *cls)
594{
595 struct GNUNET_MQ_MessageHandler handlers[] = {
596 GNUNET_MQ_hd_var_size (data,
597 GNUNET_MESSAGE_TYPE_DUMMY,
598 struct GNUNET_MessageHeader,
599 NULL),
600 GNUNET_MQ_handler_end ()
601 };
602 long l = (long) cls;
603 struct CadetTestChannelWrapper *ch;
604 static struct GNUNET_PeerIdentity *p_id;
605 static struct GNUNET_CADET_Handle *h1;
606
607 reconnect_task = NULL;
608 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
609 "reconnecting from line %ld\n",
610 l);
611 if (NULL != outgoing_ch)
612 {
613 GNUNET_CADET_channel_destroy (outgoing_ch);
614 outgoing_ch = NULL;
615 }
616 ch = GNUNET_new (struct CadetTestChannelWrapper);
617
618 p_id = get_from_p_ids ();
619 h1 = get_from_cadets ();
620
621 outgoing_ch = GNUNET_CADET_channel_create (h1,
622 ch,
623 p_id,
624 &port,
625 NULL,
626 &disconnect_handler,
627 handlers);
628 ch->ch = outgoing_ch;
629 send_test_message (outgoing_ch);
630}
631
632
633void
634reopen_channel ()
635{
636 struct CadetTestChannelWrapper *ch;
637 static struct GNUNET_CADET_Handle *h1;
638 static struct GNUNET_PeerIdentity *p_id;
639 struct GNUNET_MQ_MessageHandler handlers[] = {
640 GNUNET_MQ_hd_var_size (data,
641 GNUNET_MESSAGE_TYPE_DUMMY,
642 struct GNUNET_MessageHeader,
643 NULL),
644 GNUNET_MQ_handler_end ()
645 };
646
647 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "creating channel again\n");
648 p_id = get_from_p_ids ();
649 h1 = get_from_cadets ();
650
651 ch = GNUNET_new (struct CadetTestChannelWrapper);
652 outgoing_ch = GNUNET_CADET_channel_create (h1,
653 ch,
654 p_id,
655 &port,
656 NULL,
657 &disconnect_handler,
658 handlers);
659 ch->ch = outgoing_ch;
660 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
661 "Sending second test data (after destroying the channel) on channel %p...\n",
662 outgoing_ch);
663 send_test_message (outgoing_ch);
664}
665
666
667static void
668peers_callback (void *cls, const struct GNUNET_CADET_PeerListEntry *ple);
669
670/**
671 * We ask the monitoring api for all the peers.
672 */
673static void
674get_peers (void *cls)
675{
676
677 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
678 "requesting peers info!\n");
679 plo = GNUNET_CADET_list_peers (p_cfg[get_peer_nr (GNUNET_YES)],
680 &peers_callback, NULL);
681
682}
683
684
685/**
686 * Method called to retrieve information about all peers in CADET, called
687 * once per peer.
688 *
689 * After last peer has been reported, an additional call with NULL is done.
690 *
691 * We check the peer we are interested in, if we have a tunnel. If not, we
692 * reopen the channel
693 *
694 * @param cls Closure.
695 * @param ple information about peer, or NULL on "EOF".
696 */
697static void
698peers_callback (void *cls, const struct GNUNET_CADET_PeerListEntry *ple)
699{
700
701 const struct GNUNET_PeerIdentity *p_id;
702 const struct GNUNET_PeerIdentity *peer;
703
704
705 peer = &ple->peer;
706
707 if (NULL == ple)
708 {
709 plo = NULL;
710 return;
711 }
712 p_id = get_from_p_ids ();
713
714 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
715 "ple->peer %s\n",
716 GNUNET_i2s_full (&ple->peer));
717 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
718 "p_id %s\n",
719 GNUNET_i2s_full (p_id));
720
721 if ((0 == GNUNET_memcmp (&ple->peer, p_id)) && ple->have_tunnel)
722 {
723
724 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
725 "schedule get_peers again?\n");
726 get_peers_task = GNUNET_SCHEDULER_add_delayed (SHORT_TIME,
727 &get_peers,
728 NULL);
729
730 }
731 else if (0 == GNUNET_memcmp (&ple->peer, p_id) )
732 {
733
734 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
735 "reopen channel\n");
736
737 reopen_channel ();
738
739 }
740}
741
742
743/**
744 * Function called whenever an MQ-channel is destroyed, unless the destruction
745 * was requested by #GNUNET_CADET_channel_destroy.
746 * It must NOT call #GNUNET_CADET_channel_destroy on the channel.
747 *
748 * It should clean up any associated state, including cancelling any pending
749 * transmission on this channel.
750 *
751 * @param cls Channel closure (channel wrapper).
752 * @param channel Connection to the other end (henceforth invalid).
753 */
754static void
755disconnect_handler (void *cls,
756 const struct GNUNET_CADET_Channel *channel)
757{
758 struct CadetTestChannelWrapper *ch_w = cls;
759
760 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
761 "Channel disconnected at ok=%d\n",
762 ok);
763 GNUNET_assert (ch_w->ch == channel);
764
765 if ((DESTROY == test) && (3 == ok))
766 {
767 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
768 "Reopen channel task!\n");
769 if (NULL == get_peers_task)
770 {
771 get_peers_task = GNUNET_SCHEDULER_add_now (&get_peers,
772 NULL);
773 }
774 return;
775 }
776
777 if (channel == incoming_ch)
778 {
779 ok++;
780 incoming_ch = NULL;
781 }
782 else if (outgoing_ch == channel)
783 {
784 if (P2P_SIGNAL == test)
785 {
786 ok++;
787 }
788 outgoing_ch = NULL;
789 }
790 else
791 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
792 "Unknown channel! %p\n",
793 channel);
794 if ((NULL != disconnect_task) && (REOPEN != test))
795 {
796 GNUNET_SCHEDULER_cancel (disconnect_task);
797 disconnect_task =
798 GNUNET_SCHEDULER_add_now (&gather_stats_and_exit,
799 (void *) __LINE__);
800 }
801 else if ((NULL != reconnect_task) && (REOPEN == test))
802 {
803 GNUNET_SCHEDULER_cancel (reconnect_task);
804 reconnect_task =
805 GNUNET_SCHEDULER_add_now (&reconnect_op,
806 (void *) __LINE__);
807 }
808 GNUNET_free (ch_w);
809}
810
811
812/**
813 * Abort test: schedule disconnect and shutdown immediately
814 *
815 * @param line Line in the code the abort is requested from (__LINE__).
816 */
817static void
818abort_test (long line)
819{
820 if (NULL != disconnect_task)
821 {
822 GNUNET_SCHEDULER_cancel (disconnect_task);
823 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
824 "Aborting test from %ld\n",
825 line);
826 disconnect_task =
827 GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
828 (void *) line);
829 }
830}
831
832
833/**
834 * Send a message on the channel with the appropriate size and payload.
835 *
836 * Update the appropriate *_sent counter.
837 *
838 * @param channel Channel to send the message on.
839 */
840static void
841send_test_message (struct GNUNET_CADET_Channel *channel)
842{
843 struct GNUNET_MQ_Envelope *env;
844 struct GNUNET_MessageHeader *msg;
845 uint32_t *data;
846 int payload;
847 int size;
848
849 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
850 "Sending test message on channel %u\n",
851 channel->ccn.channel_of_client);
852 size = size_payload;
853 if (GNUNET_NO == initialized)
854 {
855 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending INITIALIZER\n");
856 size += 1000;
857 payload = data_sent;
858 if (SPEED_ACK == test) // FIXME unify SPEED_ACK with an initializer
859 data_sent++;
860 }
861 else if ((SPEED == test) || (SPEED_ACK == test))
862 {
863 if (get_target_channel () == channel)
864 {
865 payload = ack_sent;
866 size += ack_sent;
867 ack_sent++;
868 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
869 "Sending ACK %u [%d bytes]\n",
870 payload, size);
871 }
872 else
873 {
874 payload = data_sent;
875 size += data_sent;
876 data_sent++;
877 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
878 "Sending DATA %u [%d bytes]\n",
879 data_sent, size);
880 }
881 }
882 else if (FORWARD == test)
883 {
884 payload = ack_sent;
885 }
886 else if (P2P_SIGNAL == test)
887 {
888 payload = data_sent;
889 }
890 else if (REOPEN == test)
891 {
892 payload = data_sent;
893 data_sent++;
894 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
895 "Sending DATA %u [%d bytes]\n",
896 data_sent, size);
897 }
898 else if (DESTROY == test)
899 {
900 payload = data_sent;
901 }
902 else
903 {
904 GNUNET_assert (0);
905 }
906 env = GNUNET_MQ_msg_extra (msg, size, GNUNET_MESSAGE_TYPE_DUMMY);
907
908 data = (uint32_t *) &msg[1];
909 *data = htonl (payload);
910 GNUNET_MQ_send (GNUNET_CADET_get_mq (channel), env);
911}
912
913
914/**
915 * Task to request a new data transmission in a SPEED test, without waiting
916 * for previous messages to be sent/arrrive.
917 *
918 * @param cls Closure (unused).
919 */
920static void
921send_next_msg (void *cls)
922{
923 struct GNUNET_CADET_Channel *channel;
924
925 send_next_msg_task = NULL;
926 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
927 "Sending next message: %d\n",
928 data_sent);
929
930 channel = GNUNET_YES == test_backwards ? incoming_ch : outgoing_ch;
931 GNUNET_assert (NULL != channel);
932 GNUNET_assert (SPEED == test);
933 send_test_message (channel);
934 if (data_sent < total_packets)
935 {
936 /* SPEED test: Send all messages as soon as possible */
937 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
938 "Scheduling message %d\n",
939 data_sent + 1);
940 send_next_msg_task =
941 GNUNET_SCHEDULER_add_delayed (SEND_INTERVAL,
942 &send_next_msg,
943 NULL);
944 }
945}
946
947
948/**
949 * Every few messages cancel the timeout task and re-schedule it again, to
950 * avoid timing out when traffic keeps coming.
951 *
952 * @param line Code line number to log if a timeout occurs.
953 */
954static void
955reschedule_timeout_task (long line)
956{
957 if ((ok % 10) == 0)
958 {
959 if (NULL != disconnect_task)
960 {
961 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
962 "reschedule timeout every 10 messages\n");
963 GNUNET_SCHEDULER_cancel (disconnect_task);
964 disconnect_task = GNUNET_SCHEDULER_add_delayed (short_time,
965 &gather_stats_and_exit,
966 (void *) line);
967 }
968 }
969}
970
971
972/**
973 * Check if payload is sane (size contains payload).
974 *
975 * @param cls should match #ch
976 * @param message The actual message.
977 * @return #GNUNET_OK to keep the channel open,
978 * #GNUNET_SYSERR to close it (signal serious error).
979 */
980static int
981check_data (void *cls,
982 const struct GNUNET_MessageHeader *message)
983{
984 return GNUNET_OK; /* all is well-formed */
985}
986
987
988/**
989 * Function is called whenever a message is received.
990 *
991 * @param cls closure (set from GNUNET_CADET_connect(), peer number)
992 * @param message the actual message
993 */
994static void
995handle_data (void *cls,
996 const struct GNUNET_MessageHeader *message)
997{
998 struct CadetTestChannelWrapper *ch = cls;
999 struct GNUNET_CADET_Channel *channel = ch->ch;
1000 uint32_t *data;
1001 uint32_t payload;
1002 int *counter;
1003
1004 ok++;
1005 GNUNET_CADET_receive_done (channel);
1006 counter = get_target_channel () == channel ? &data_received : &ack_received;
1007
1008 reschedule_timeout_task ((long) __LINE__);
1009
1010 if (channel == outgoing_ch)
1011 {
1012 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1013 "Root client got a message.\n");
1014 }
1015 else if (channel == incoming_ch)
1016 {
1017 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1018 "Leaf client got a message.\n");
1019 }
1020 else
1021 {
1022 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1023 "Unknown channel %p.\n",
1024 channel);
1025 GNUNET_assert (0);
1026 }
1027
1028 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1029 "handle_data ok: (%d/%d)\n",
1030 ok,
1031 ok_goal);
1032 data = (uint32_t *) &message[1];
1033 payload = ntohl (*data);
1034 if (payload == *counter)
1035 {
1036 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1037 " payload as expected: %u\n",
1038 payload);
1039 }
1040 else
1041 {
1042 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1043 " payload %u, expected: %u\n",
1044 payload, *counter);
1045 }
1046
1047 if (DESTROY == test)
1048 {
1049 if (2 == ok)
1050 {
1051 ok++;
1052 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1053 "dropping message ok: (%d/%d)\n",
1054 ok,
1055 ok_goal);
1056 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1057 "TEST ID 0: %s\n",
1058 GNUNET_i2s (testpeer_id[0]));
1059 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1060 "TEST ID 1: %s\n",
1061 GNUNET_i2s (testpeer_id[1]));
1062
1063 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "dropping message\n");
1064 GNUNET_CADET_drop_message (GNUNET_CADET_get_mq (outgoing_ch),
1065 outgoing_ch->ccn,
1066 GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY);
1067 if (NULL != outgoing_ch)
1068 {
1069 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1070 "Destroying channel %p...\n",
1071 outgoing_ch);
1072 GNUNET_CADET_channel_destroy (outgoing_ch);
1073 outgoing_ch = NULL;
1074 }
1075 }
1076 else if (5 == ok)
1077 {
1078 ok++;
1079 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1080 "destroy test finished ok: (%d/%d)\n",
1081 ok,
1082 ok_goal);
1083 disconnect_task =
1084 GNUNET_SCHEDULER_add_now (&gather_stats_and_exit,
1085 (void *) __LINE__);
1086 // End of DESTROY test.
1087 }
1088 }
1089
1090 if (GNUNET_NO == initialized)
1091 {
1092 initialized = GNUNET_YES;
1093 start_time = GNUNET_TIME_absolute_get ();
1094 if (SPEED == test)
1095 {
1096 GNUNET_assert (incoming_ch == channel);
1097 send_next_msg_task = GNUNET_SCHEDULER_add_now (&send_next_msg,
1098 NULL);
1099 return;
1100 }
1101 }
1102
1103 (*counter)++;
1104 if (get_target_channel () == channel) /* Got "data" */
1105 {
1106 GNUNET_log (GNUNET_ERROR_TYPE_INFO, " received data %u\n", data_received);
1107 if ((DESTROY != test) && ((SPEED != test) || ( (ok_goal - 2) == ok)) )
1108 {
1109 /* Send ACK */
1110 send_test_message (channel);
1111 return;
1112 }
1113 else
1114 {
1115 if (data_received < total_packets)
1116 return;
1117 }
1118 }
1119 else /* Got "ack" */
1120 {
1121 if ((SPEED_ACK == test) || (SPEED == test) )
1122 {
1123 GNUNET_log (GNUNET_ERROR_TYPE_INFO, " received ack %u\n", ack_received);
1124 /* Send more data */
1125 send_test_message (channel);
1126 if ((ack_received < total_packets) && (SPEED != test) )
1127 return;
1128 if ((ok == 2) && (SPEED == test) )
1129 return;
1130 show_end_data ();
1131 }
1132 if (test == P2P_SIGNAL)
1133 {
1134 GNUNET_CADET_channel_destroy (incoming_ch);
1135 incoming_ch = NULL;
1136 }
1137 else
1138 {
1139 GNUNET_CADET_channel_destroy (outgoing_ch);
1140 outgoing_ch = NULL;
1141 }
1142 }
1143}
1144
1145
1146/**
1147 * Method called whenever a peer connects to a port in MQ-based CADET.
1148 *
1149 * @param cls Closure from #GNUNET_CADET_open_port (peer # as long).
1150 * @param channel New handle to the channel.
1151 * @param source Peer that started this channel.
1152 * @return Closure for the incoming @a channel. It's given to:
1153 * - The #GNUNET_CADET_DisconnectEventHandler (given to
1154 * #GNUNET_CADET_open_port) when the channel dies.
1155 * - Each the #GNUNET_MQ_MessageCallback handlers for each message
1156 * received on the @a channel.
1157 */
1158static void *
1159connect_handler (void *cls,
1160 struct GNUNET_CADET_Channel *channel,
1161 const struct GNUNET_PeerIdentity *source)
1162{
1163 struct CadetTestChannelWrapper *ch;
1164 long peer = (long) cls;
1165
1166 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1167 "Incoming channel from %s to %ld: %p\n",
1168 GNUNET_i2s (source),
1169 peer,
1170 channel);
1171 ok++;
1172 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
1173 "connect_handler ok: (%d/%d)\n",
1174 ok,
1175 ok_goal);
1176
1177 if (peer == get_peer_nr (GNUNET_NO))
1178 {
1179 if ((DESTROY != test) && (NULL != incoming_ch))
1180 {
1181 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1182 "Duplicate incoming channel for client %lu\n",
1183 (long) cls);
1184 GNUNET_assert (0);
1185 }
1186 incoming_ch = channel;
1187 }
1188 else
1189 {
1190 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1191 "Incoming channel for unexpected peer #%lu\n",
1192 (long) cls);
1193 GNUNET_assert (0);
1194 }
1195 if ((NULL != disconnect_task) && (REOPEN != test) && (DESTROY != test))
1196 {
1197 GNUNET_SCHEDULER_cancel (disconnect_task);
1198 disconnect_task = GNUNET_SCHEDULER_add_delayed (short_time,
1199 &gather_stats_and_exit,
1200 (void *) __LINE__);
1201 }
1202 else if ((NULL != disconnect_task) && (REOPEN == test))
1203 {
1204 GNUNET_SCHEDULER_cancel (disconnect_task);
1205 disconnect_task = GNUNET_SCHEDULER_add_delayed (
1206 GNUNET_TIME_relative_multiply (short_time, 2),
1207 &gather_stats_and_exit,
1208 (void *) __LINE__);
1209 }
1210
1211 if ((NULL != reconnect_task) && (REOPEN == test))
1212 {
1213 GNUNET_SCHEDULER_cancel (reconnect_task);
1214 reconnect_task = GNUNET_SCHEDULER_add_delayed (short_time,
1215 &reconnect_op,
1216 (void *) __LINE__);
1217 }
1218
1219
1220 /* TODO: cannot return channel as-is, in order to unify the data handlers */
1221 ch = GNUNET_new (struct CadetTestChannelWrapper);
1222 ch->ch = channel;
1223
1224 return ch;
1225}
1226
1227
1228/**
1229 * START THE TESTCASE ITSELF, AS WE ARE CONNECTED TO THE CADET SERVICES.
1230 *
1231 * Testcase continues when the root receives confirmation of connected peers,
1232 * on callback function ch.
1233 *
1234 * @param cls Closure (unused).
1235 */
1236static void
1237start_test (void *cls)
1238{
1239 struct GNUNET_MQ_MessageHandler handlers[] = {
1240 GNUNET_MQ_hd_var_size (data,
1241 GNUNET_MESSAGE_TYPE_DUMMY,
1242 struct GNUNET_MessageHeader,
1243 NULL),
1244 GNUNET_MQ_handler_end ()
1245 };
1246 struct CadetTestChannelWrapper *ch;
1247 static struct GNUNET_CADET_Handle *h1;
1248 static struct GNUNET_PeerIdentity *p_id;
1249
1250 test_task = NULL;
1251 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "start_test: %s\n", test_name);
1252 if (NULL != disconnect_task)
1253 {
1254 GNUNET_SCHEDULER_cancel (disconnect_task);
1255 disconnect_task = NULL;
1256 }
1257
1258 if (SPEED_REL == test)
1259 {
1260 test = SPEED;
1261 }
1262
1263 p_id = get_from_p_ids ();
1264 h1 = get_from_cadets ();
1265
1266 ch = GNUNET_new (struct CadetTestChannelWrapper);
1267 outgoing_ch = GNUNET_CADET_channel_create (h1,
1268 ch,
1269 p_id,
1270 &port,
1271 NULL,
1272 &disconnect_handler,
1273 handlers);
1274 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "channel created\n");
1275
1276 ch->ch = outgoing_ch;
1277
1278 if (DESTROY != test)
1279 disconnect_task = GNUNET_SCHEDULER_add_delayed (short_time,
1280 &gather_stats_and_exit,
1281 (void *) __LINE__);
1282 if (KEEPALIVE == test)
1283 return; /* Don't send any data. */
1284
1285 data_received = 0;
1286 data_sent = 0;
1287 ack_received = 0;
1288 ack_sent = 0;
1289 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1290 "Sending data initializer on channel %p...\n",
1291 outgoing_ch);
1292 send_test_message (outgoing_ch);
1293 if (REOPEN == test)
1294 {
1295 reconnect_task = GNUNET_SCHEDULER_add_delayed (short_time,
1296 &reconnect_op,
1297 (void *) __LINE__);
1298 GNUNET_SCHEDULER_cancel (disconnect_task);
1299 disconnect_task = GNUNET_SCHEDULER_add_delayed (
1300 GNUNET_TIME_relative_multiply (short_time, 2),
1301 &gather_stats_and_exit,
1302 (void *) __LINE__);
1303 }
1304}
1305
1306
1307/**
1308 * Callback to be called when the requested peer information is available
1309 *
1310 * @param cls the closure from GNUNET_TESTBED_peer_getinformation()
1311 * @param op the operation this callback corresponds to
1312 * @param pinfo the result; will be NULL if the operation has failed
1313 * @param emsg error message if the operation has failed;
1314 * NULL if the operation is successful
1315 */
1316static void
1317pi_cb (void *cls,
1318 struct GNUNET_TESTBED_Operation *op,
1319 const struct GNUNET_TESTBED_PeerInformation *pinfo,
1320 const char *emsg)
1321{
1322 long i = (long) cls;
1323
1324 if ((NULL == pinfo) ||
1325 (NULL != emsg))
1326 {
1327 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1328 "pi_cb: %s\n",
1329 emsg);
1330 abort_test (__LINE__);
1331 return;
1332 }
1333
1334 if (GNUNET_TESTBED_PIT_IDENTITY == pinfo->pit)
1335 {
1336 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1337 "ID callback for %ld\n",
1338 i);
1339 testpeer_id[i] = pinfo->result.id;
1340 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1341 "id: %s\n",
1342 GNUNET_i2s (testpeer_id[i]));
1343 }
1344 else if (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit)
1345 {
1346 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1347 "CFG callback for %ld\n",
1348 i);
1349 p_cfg[i] = pinfo->result.cfg;
1350 }
1351 else
1352 {
1353 GNUNET_break (0);
1354 }
1355
1356 peerinfo_task_cnt++;
1357 if (peerinfo_task_cnt < 4)
1358 return;
1359 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1360 "Got all peer information, starting test\n");
1361 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1362 "TEST ID 0: %s\n",
1363 GNUNET_i2s (testpeer_id[0]));
1364 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1365 "TEST ID 1: %s\n",
1366 GNUNET_i2s (testpeer_id[1]));
1367 test_task = GNUNET_SCHEDULER_add_now (&start_test, NULL);
1368}
1369
1370
1371/**
1372 * test main: start test when all peers are connected
1373 *
1374 * @param cls Closure.
1375 * @param ctx Argument to give to GNUNET_CADET_TEST_cleanup on test end.
1376 * @param num_peers Number of peers that are running.
1377 * @param peers Array of peers.
1378 * @param cadets Handle to each of the CADETs of the peers.
1379 */
1380static void
1381tmain (void *cls,
1382 struct GNUNET_CADET_TEST_Context *ctx,
1383 unsigned int num_peers,
1384 struct GNUNET_TESTBED_Peer **peers,
1385 struct GNUNET_CADET_Handle **cadets)
1386{
1387 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test main\n");
1388 ok = 0;
1389 test_ctx = ctx;
1390 peers_running = num_peers;
1391 GNUNET_assert (peers_running == peers_requested);
1392 testbed_peers = peers;
1393 cadets_running = cadets;
1394
1395 disconnect_task = GNUNET_SCHEDULER_add_delayed (short_time,
1396 &disconnect_cadet_peers,
1397 (void *) __LINE__);
1398 GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
1399 NULL);
1400 t_op[0] = GNUNET_TESTBED_peer_get_information (peers[0],
1401 GNUNET_TESTBED_PIT_IDENTITY,
1402 &pi_cb,
1403 (void *) 0L);
1404 t_op[1] = GNUNET_TESTBED_peer_get_information (peers[num_peers - 1],
1405 GNUNET_TESTBED_PIT_IDENTITY,
1406 &pi_cb,
1407 (void *) 1L);
1408 t_op[0] = GNUNET_TESTBED_peer_get_information (peers[0],
1409 GNUNET_TESTBED_PIT_CONFIGURATION,
1410 &pi_cb,
1411 (void *) 0L);
1412 t_op[1] = GNUNET_TESTBED_peer_get_information (peers[num_peers - 1],
1413 GNUNET_TESTBED_PIT_CONFIGURATION,
1414 &pi_cb,
1415 (void *) 1L);
1416 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "requested peer ids\n");
1417}
1418
1419
1420/**
1421 * Main: start test
1422 */
1423int
1424main (int argc, char *argv[])
1425{
1426 static const struct GNUNET_HashCode *ports[2];
1427 struct GNUNET_MQ_MessageHandler handlers[] = {
1428 GNUNET_MQ_hd_var_size (data,
1429 GNUNET_MESSAGE_TYPE_DUMMY,
1430 struct GNUNET_MessageHeader,
1431 NULL),
1432 GNUNET_MQ_handler_end ()
1433 };
1434 const char *config_file;
1435 char port_id[] = "test port";
1436 struct GNUNET_GETOPT_CommandLineOption options[] = {
1437 GNUNET_GETOPT_option_relative_time ('t',
1438 "time",
1439 "short_time",
1440 gettext_noop ("set short timeout"),
1441 &short_time),
1442 GNUNET_GETOPT_option_uint ('m',
1443 "messages",
1444 "NUM_MESSAGES",
1445 gettext_noop ("set number of messages to send"),
1446 &total_packets),
1447
1448 GNUNET_GETOPT_OPTION_END
1449 };
1450
1451
1452 initialized = GNUNET_NO;
1453 GNUNET_log_setup ("test", "DEBUG", NULL);
1454
1455 total_packets = TOTAL_PACKETS;
1456 short_time = SHORT_TIME;
1457 if (-1 == GNUNET_GETOPT_run (argv[0], options, argc, argv))
1458 {
1459 fprintf (stderr, "test failed: problem with CLI parameters\n");
1460 exit (1);
1461 }
1462
1463 config_file = "test_cadet.conf";
1464 GNUNET_CRYPTO_hash (port_id, sizeof(port_id), &port);
1465
1466 /* Find out requested size */
1467 if (strstr (argv[0], "_2_") != NULL)
1468 {
1469 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "DIRECT CONNECTIONs\n");
1470 peers_requested = 2;
1471 }
1472 else if (strstr (argv[0], "_5_") != NULL)
1473 {
1474 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "5 PEER LINE\n");
1475 peers_requested = 5;
1476 }
1477 else if (strstr (argv[0], "_6_") != NULL)
1478 {
1479 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "6 PEER LINE\n");
1480 peers_requested = 6;
1481 }
1482 else
1483 {
1484 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "SIZE UNKNOWN, USING 2\n");
1485 peers_requested = 2;
1486 }
1487
1488 /* Find out requested test */
1489 if (strstr (argv[0], "_forward") != NULL)
1490 {
1491 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "FORWARD\n");
1492 test = FORWARD;
1493 test_name = "unicast";
1494 ok_goal = 4;
1495 }
1496 else if (strstr (argv[0], "_signal") != NULL)
1497 {
1498 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SIGNAL\n");
1499 test = P2P_SIGNAL;
1500 test_name = "signal";
1501 ok_goal = 4;
1502 }
1503 else if (strstr (argv[0], "_speed_ack") != NULL)
1504 {
1505 /* Test is supposed to generate the following callbacks:
1506 * 1 incoming channel (@dest)
1507 * total_packets received data packet (@dest)
1508 * total_packets received data packet (@orig)
1509 * 1 received channel destroy (@dest) FIXME #5818
1510 */ok_goal = total_packets * 2 + 2;
1511 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SPEED_ACK\n");
1512 test = SPEED_ACK;
1513 test_name = "speed ack";
1514 }
1515 else if (strstr (argv[0], "_speed") != NULL)
1516 {
1517 /* Test is supposed to generate the following callbacks:
1518 * 1 incoming channel (@dest)
1519 * 1 initial packet (@dest)
1520 * total_packets received data packet (@dest)
1521 * 1 received data packet (@orig)
1522 * 1 received channel destroy (@dest) FIXME #5818
1523 */ok_goal = total_packets + 4;
1524 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SPEED\n");
1525 if (strstr (argv[0], "_reliable") != NULL)
1526 {
1527 test = SPEED_REL;
1528 test_name = "speed reliable";
1529 config_file = "test_cadet_drop.conf";
1530 }
1531 else
1532 {
1533 test = SPEED;
1534 test_name = "speed";
1535 }
1536 }
1537 else if (strstr (argv[0], "_keepalive") != NULL)
1538 {
1539 test = KEEPALIVE;
1540 test_name = "keepalive";
1541 /* Test is supposed to generate the following callbacks:
1542 * 1 incoming channel (@dest)
1543 * [wait]
1544 * 1 received channel destroy (@dest) FIXME #5818
1545 */ok_goal = 1;
1546 }
1547 else if (strstr (argv[0], "_reopen") != NULL)
1548 {
1549 test = REOPEN;
1550 test_name = "reopen";
1551 ///* Test is supposed to generate the following callbacks:
1552 // * 1 incoming channel (@dest)
1553 // * [wait]
1554 // * 1 received channel destroy (@dest) FIXME #5818
1555 // */
1556 ok_goal = 6;
1557 }
1558 else if (strstr (argv[0], "_destroy") != NULL)
1559 {
1560 test = DESTROY;
1561 test_name = "destroy";
1562 ok_goal = 6;
1563 short_time = GNUNET_TIME_relative_multiply (short_time, 5);
1564 }
1565 else
1566 {
1567 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "UNKNOWN\n");
1568 test = SETUP;
1569 ok_goal = 0;
1570 }
1571
1572 if (strstr (argv[0], "backwards") != NULL)
1573 {
1574 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "BACKWARDS (LEAF TO ROOT)\n");
1575 test_backwards = GNUNET_YES;
1576 GNUNET_asprintf (&test_name, "backwards %s", test_name);
1577 }
1578
1579 peerinfo_task_cnt = 0;
1580 ports[0] = &port;
1581 ports[1] = NULL;
1582 GNUNET_CADET_TEST_ruN ("test_cadet_small",
1583 config_file,
1584 peers_requested,
1585 &tmain,
1586 NULL, /* tmain cls */
1587 &connect_handler,
1588 NULL,
1589 &disconnect_handler,
1590 handlers,
1591 ports);
1592 if (NULL != strstr (argv[0], "_reliable"))
1593 msg_dropped = 0; /* dropped should be retransmitted */
1594
1595 if (ok_goal > ok - msg_dropped)
1596 {
1597 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "FAILED! (%d/%d)\n", ok, ok_goal);
1598 return 1;
1599 }
1600 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "success\n");
1601 return 0;
1602}
1603
1604
1605/* end of test_cadet.c */
diff --git a/src/cadet/test_cadet_drop.conf b/src/cadet/test_cadet_drop.conf
deleted file mode 100644
index c9bcf603b..000000000
--- a/src/cadet/test_cadet_drop.conf
+++ /dev/null
@@ -1,4 +0,0 @@
1@INLINE@ test_cadet.conf
2
3[cadet]
4DROP_PERCENT = 1
diff --git a/src/cadet/test_cadet_flow.c b/src/cadet/test_cadet_flow.c
deleted file mode 100644
index 441599973..000000000
--- a/src/cadet/test_cadet_flow.c
+++ /dev/null
@@ -1,891 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2011, 2017 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 cadet/test_cadet_flow.c
22 * @author Bart Polot
23 * @author Christian Grothoff
24 * @brief Test for flow control of CADET service
25 */
26#include "platform.h"
27#include <stdio.h>
28#include "cadet_test_lib.h"
29#include "gnunet_cadet_service.h"
30#include "gnunet_statistics_service.h"
31#include <gauger.h>
32
33
34/**
35 * Ugly workaround to unify data handlers on incoming and outgoing channels.
36 */
37struct CadetTestChannelWrapper
38{
39 /**
40 * Channel pointer.
41 */
42 struct GNUNET_CADET_Channel *ch;
43};
44
45/**
46 * How many messages to send by default.
47 */
48#define TOTAL_PACKETS_DEFAULT 500
49
50/**
51 * How long until we give up on connecting the peers?
52 */
53#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
54
55/**
56 * Time to wait by default for stuff that should be rather fast.
57 */
58#define SHORT_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 20)
59
60/**
61 * How fast do we send messages?
62 */
63#define SEND_INTERVAL GNUNET_TIME_relative_multiply ( \
64 GNUNET_TIME_UNIT_MILLISECONDS, 10)
65
66
67/**
68 * How many packets to send.
69 */
70static unsigned int total_packets = TOTAL_PACKETS_DEFAULT;
71
72/**
73 * Time to wait for fast operations.
74 */
75static struct GNUNET_TIME_Relative short_time;
76
77/**
78 * Size of each test packet's payload
79 */
80static size_t size_payload = sizeof(uint32_t);
81
82/**
83 * Operation to get peer ids.
84 */
85static struct GNUNET_TESTBED_Operation *t_op[2];
86
87/**
88 * Peer ids.
89 */
90static struct GNUNET_PeerIdentity *p_id[2];
91
92/**
93 * Port ID
94 */
95static struct GNUNET_HashCode port;
96
97/**
98 * Peer ids counter.
99 */
100static unsigned int p_ids;
101
102/**
103 * Is the setup initialized?
104 */
105static int initialized;
106
107/**
108 * Number of payload packes sent.
109 */
110static int data_sent;
111
112/**
113 * Number of payload packets received.
114 */
115static int data_received;
116
117/**
118 * Number of payload packed acknowledgements sent.
119 */
120static int ack_sent;
121
122/**
123 * Number of payload packed explicitly (app level) acknowledged.
124 */
125static int ack_received;
126
127/**
128 * Total number of peers asked to run.
129 */
130static unsigned int peers_requested = 2;
131
132/**
133 * Number of currently running peers (should be same as @c peers_requested).
134 */
135static unsigned int peers_running;
136
137/**
138 * Test context (to shut down).
139 */
140struct GNUNET_CADET_TEST_Context *test_ctx;
141
142/**
143 * Task called to disconnect peers.
144 */
145static struct GNUNET_SCHEDULER_Task *disconnect_task;
146
147/**
148 * Task To perform tests
149 */
150static struct GNUNET_SCHEDULER_Task *test_task;
151
152/**
153 * Task runnining #send_next_msg().
154 */
155static struct GNUNET_SCHEDULER_Task *send_next_msg_task;
156
157/**
158 * Cadet handle for the root peer
159 */
160static struct GNUNET_CADET_Handle *h1;
161
162/**
163 * Cadet handle for the first leaf peer
164 */
165static struct GNUNET_CADET_Handle *h2;
166
167/**
168 * Channel handle for the root peer
169 */
170static struct GNUNET_CADET_Channel *outgoing_ch;
171
172/**
173 * Channel handle for the dest peer
174 */
175static struct GNUNET_CADET_Channel *incoming_ch;
176
177/**
178 * Time we started the data transmission (after channel has been established
179 * and initialized).
180 */
181static struct GNUNET_TIME_Absolute start_time;
182
183/**
184 * Peers handle.
185 */
186static struct GNUNET_TESTBED_Peer **testbed_peers;
187
188/**
189 * Statistics operation handle.
190 */
191static struct GNUNET_TESTBED_Operation *stats_op;
192
193/**
194 * Keepalives sent.
195 */
196static unsigned int ka_sent;
197
198/**
199 * Keepalives received.
200 */
201static unsigned int ka_received;
202
203/**
204 * How many messages were dropped by CADET because of full buffers?
205 */
206static unsigned int msg_dropped;
207
208
209/**
210 * Show the results of the test (banwidth achieved) and log them to GAUGER
211 */
212static void
213show_end_data (void)
214{
215 static struct GNUNET_TIME_Absolute end_time;
216 static struct GNUNET_TIME_Relative total_time;
217
218 end_time = GNUNET_TIME_absolute_get ();
219 total_time = GNUNET_TIME_absolute_get_difference (start_time, end_time);
220 fprintf (stderr,
221 "\nResults of test \"%s\"\n",
222 test_name);
223 fprintf (stderr,
224 "Test time %s\n",
225 GNUNET_STRINGS_relative_time_to_string (total_time, GNUNET_YES));
226 fprintf (stderr,
227 "Test bandwidth: %f kb/s\n",
228 4 * total_packets * 1.0 / (total_time.rel_value_us / 1000)); // 4bytes * ms
229 fprintf (stderr,
230 "Test throughput: %f packets/s\n\n",
231 total_packets * 1000.0 / (total_time.rel_value_us / 1000)); // packets * ms
232 GAUGER ("CADET",
233 test_name,
234 total_packets * 1000.0 / (total_time.rel_value_us / 1000),
235 "packets/s");
236}
237
238
239/**
240 * Shut down peergroup, clean up.
241 *
242 * @param cls Closure (unused).
243 * @param tc Task Context.
244 */
245static void
246shutdown_task (void *cls)
247{
248 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
249 "Ending test.\n");
250 if (NULL != send_next_msg_task)
251 {
252 GNUNET_SCHEDULER_cancel (send_next_msg_task);
253 send_next_msg_task = NULL;
254 }
255 if (NULL != test_task)
256 {
257 GNUNET_SCHEDULER_cancel (test_task);
258 test_task = NULL;
259 }
260 for (unsigned int i = 0; i < 2; i++)
261 GNUNET_TESTBED_operation_done (t_op[i]);
262 if (NULL != outgoing_ch)
263 {
264 GNUNET_CADET_channel_destroy (outgoing_ch);
265 outgoing_ch = NULL;
266 }
267 if (NULL != incoming_ch)
268 {
269 GNUNET_CADET_channel_destroy (incoming_ch);
270 incoming_ch = NULL;
271 }
272 GNUNET_CADET_TEST_cleanup (test_ctx);
273}
274
275
276/**
277 * Stats callback. Finish the stats testbed operation and when all stats have
278 * been iterated, shutdown the test.
279 *
280 * @param cls Closure (line number from which termination was requested).
281 * @param op the operation that has been finished
282 * @param emsg error message in case the operation has failed; will be NULL if
283 * operation has executed successfully.
284 */
285static void
286stats_cont (void *cls,
287 struct GNUNET_TESTBED_Operation *op,
288 const char *emsg)
289{
290 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
291 "KA sent: %u, KA received: %u\n",
292 ka_sent,
293 ka_received);
294 if ((KEEPALIVE == test) && ((ka_sent < 2) || (ka_sent > ka_received + 1)))
295 {
296 GNUNET_break (0);
297 ok--;
298 }
299 GNUNET_TESTBED_operation_done (stats_op);
300
301 if (NULL != disconnect_task)
302 GNUNET_SCHEDULER_cancel (disconnect_task);
303 disconnect_task = GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
304 cls);
305}
306
307
308/**
309 * Process statistic values.
310 *
311 * @param cls closure (line number, unused)
312 * @param peer the peer the statistic belong to
313 * @param subsystem name of subsystem that created the statistic
314 * @param name the name of the datum
315 * @param value the current value
316 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
317 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
318 */
319static int
320stats_iterator (void *cls,
321 const struct GNUNET_TESTBED_Peer *peer,
322 const char *subsystem,
323 const char *name,
324 uint64_t value,
325 int is_persistent)
326{
327 static const char *s_sent = "# keepalives sent";
328 static const char *s_recv = "# keepalives received";
329 static const char *rdrops = "# messages dropped due to full buffer";
330 static const char *cdrops = "# messages dropped due to slow client";
331 uint32_t i;
332
333 i = GNUNET_TESTBED_get_index (peer);
334 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "STATS PEER %u - %s [%s]: %llu\n", i,
335 subsystem, name, (unsigned long long) value);
336 if ((0 == strncmp (s_sent, name, strlen (s_sent))) && (0 == i))
337 ka_sent = value;
338 if ((0 == strncmp (s_recv, name, strlen (s_recv))) && (peers_requested - 1 ==
339 i) )
340 ka_received = value;
341 if (0 == strncmp (rdrops, name, strlen (rdrops)))
342 msg_dropped += value;
343 if (0 == strncmp (cdrops, name, strlen (cdrops)))
344 msg_dropped += value;
345
346 return GNUNET_OK;
347}
348
349
350/**
351 * Task to gather all statistics.
352 *
353 * @param cls Closure (line from which the task was scheduled).
354 */
355static void
356gather_stats_and_exit (void *cls)
357{
358 long l = (long) cls;
359
360 disconnect_task = NULL;
361 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
362 "gathering statistics from line %ld\n",
363 l);
364 if (NULL != outgoing_ch)
365 {
366 GNUNET_CADET_channel_destroy (outgoing_ch);
367 outgoing_ch = NULL;
368 }
369 stats_op = GNUNET_TESTBED_get_statistics (peers_running,
370 testbed_peers,
371 "cadet",
372 NULL,
373 &stats_iterator,
374 stats_cont,
375 cls);
376}
377
378
379/**
380 * Abort test: schedule disconnect and shutdown immediately
381 *
382 * @param line Line in the code the abort is requested from (__LINE__).
383 */
384static void
385abort_test (long line)
386{
387 if (NULL != disconnect_task)
388 {
389 GNUNET_SCHEDULER_cancel (disconnect_task);
390 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
391 "Aborting test from %ld\n",
392 line);
393 disconnect_task =
394 GNUNET_SCHEDULER_add_now (&disconnect_cadet_peers,
395 (void *) line);
396 }
397}
398
399
400/**
401 * Send a message on the channel with the appropriate size and payload.
402 *
403 * Update the appropriate *_sent counter.
404 *
405 * @param channel Channel to send the message on.
406 */
407static void
408send_test_message (struct GNUNET_CADET_Channel *channel)
409{
410 struct GNUNET_MQ_Envelope *env;
411 struct GNUNET_MessageHeader *msg;
412 uint32_t *data;
413 int payload;
414 int size;
415
416 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
417 "Sending test message on channel %p\n",
418 channel);
419 size = size_payload;
420 if (GNUNET_NO == initialized)
421 {
422 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending INITIALIZER\n");
423 size += 1000;
424 payload = data_sent;
425 if (SPEED_ACK == test) // FIXME unify SPEED_ACK with an initializer
426 data_sent++;
427 }
428 else if ((SPEED == test) || (SPEED_ACK == test))
429 {
430 if (get_target_channel () == channel)
431 {
432 payload = ack_sent;
433 size += ack_sent;
434 ack_sent++;
435 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
436 "Sending ACK %u [%d bytes]\n",
437 payload, size);
438 }
439 else
440 {
441 payload = data_sent;
442 size += data_sent;
443 data_sent++;
444 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
445 "Sending DATA %u [%d bytes]\n",
446 data_sent, size);
447 }
448 }
449 else if (FORWARD == test)
450 {
451 payload = ack_sent;
452 }
453 else if (P2P_SIGNAL == test)
454 {
455 payload = data_sent;
456 }
457 else
458 {
459 GNUNET_assert (0);
460 }
461 env = GNUNET_MQ_msg_extra (msg, size, GNUNET_MESSAGE_TYPE_DUMMY);
462
463 data = (uint32_t *) &msg[1];
464 *data = htonl (payload);
465 GNUNET_MQ_send (GNUNET_CADET_get_mq (channel), env);
466}
467
468
469/**
470 * Task to request a new data transmission in a SPEED test, without waiting
471 * for previous messages to be sent/arrrive.
472 *
473 * @param cls Closure (unused).
474 */
475static void
476send_next_msg (void *cls)
477{
478 struct GNUNET_CADET_Channel *channel;
479
480 send_next_msg_task = NULL;
481 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
482 "Sending next message: %d\n",
483 data_sent);
484
485 channel = GNUNET_YES == test_backwards ? incoming_ch : outgoing_ch;
486 GNUNET_assert (NULL != channel);
487 GNUNET_assert (SPEED == test);
488 send_test_message (channel);
489 if (data_sent < total_packets)
490 {
491 /* SPEED test: Send all messages as soon as possible */
492 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
493 "Scheduling message %d\n",
494 data_sent + 1);
495 send_next_msg_task =
496 GNUNET_SCHEDULER_add_delayed (SEND_INTERVAL,
497 &send_next_msg,
498 NULL);
499 }
500}
501
502
503/**
504 * Check if payload is sane (size contains payload).
505 *
506 * @param cls should match #ch
507 * @param message The actual message.
508 * @return #GNUNET_OK to keep the channel open,
509 * #GNUNET_SYSERR to close it (signal serious error).
510 */
511static int
512check_data (void *cls,
513 const struct GNUNET_MessageHeader *message)
514{
515 return GNUNET_OK; /* all is well-formed */
516}
517
518
519/**
520 * Function is called whenever a message is received.
521 *
522 * @param cls closure (set from GNUNET_CADET_connect(), peer number)
523 * @param message the actual message
524 */
525static void
526handle_data (void *cls,
527 const struct GNUNET_MessageHeader *message)
528{
529 struct CadetTestChannelWrapper *ch = cls;
530 struct GNUNET_CADET_Channel *channel = ch->ch;
531 uint32_t *data;
532 uint32_t payload;
533 int *counter;
534
535 GNUNET_CADET_receive_done (channel);
536 counter = get_target_channel () == channel ? &data_received : &ack_received;
537 if (channel == outgoing_ch)
538 {
539 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
540 "Root client got a message.\n");
541 }
542 else if (channel == incoming_ch)
543 {
544 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
545 "Leaf client got a message.\n");
546 }
547 else
548 {
549 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
550 "Unknown channel %p.\n",
551 channel);
552 GNUNET_assert (0);
553 }
554
555 data = (uint32_t *) &message[1];
556 payload = ntohl (*data);
557 if (payload == *counter)
558 {
559 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
560 "Payload as expected: %u\n",
561 payload);
562 }
563 else
564 {
565 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
566 "Received payload %u, expected: %u\n",
567 payload, *counter);
568 }
569 (*counter)++;
570 if (get_target_channel () == channel) /* Got "data" */
571 {
572 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
573 " received data %u\n",
574 data_received);
575 if (data_received < total_packets)
576 return;
577 }
578 else /* Got "ack" */
579 {
580 if ((SPEED_ACK == test) || (SPEED == test) )
581 {
582 GNUNET_log (GNUNET_ERROR_TYPE_INFO, " received ack %u\n", ack_received);
583 /* Send more data */
584 send_test_message (channel);
585 if ((ack_received < total_packets) && (SPEED != test) )
586 return;
587 if ((ok == 2) && (SPEED == test) )
588 return;
589 show_end_data ();
590 }
591 if (test == P2P_SIGNAL)
592 {
593 GNUNET_CADET_channel_destroy (incoming_ch);
594 incoming_ch = NULL;
595 }
596 else
597 {
598 GNUNET_CADET_channel_destroy (outgoing_ch);
599 outgoing_ch = NULL;
600 }
601 }
602}
603
604
605/**
606 * Method called whenever a peer connects to a port in MQ-based CADET.
607 *
608 * @param cls Closure from #GNUNET_CADET_open_port (peer # as long).
609 * @param channel New handle to the channel.
610 * @param source Peer that started this channel.
611 * @return Closure for the incoming @a channel. It's given to:
612 * - The #GNUNET_CADET_DisconnectEventHandler (given to
613 * #GNUNET_CADET_open_port) when the channel dies.
614 * - Each the #GNUNET_MQ_MessageCallback handlers for each message
615 * received on the @a channel.
616 */
617static void *
618connect_handler (void *cls,
619 struct GNUNET_CADET_Channel *channel,
620 const struct GNUNET_PeerIdentity *source)
621{
622 struct CadetTestChannelWrapper *ch;
623 long peer = (long) cls;
624
625 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
626 "Incoming channel from %s to %ld: %p\n",
627 GNUNET_i2s (source),
628 peer,
629 channel);
630 if (peer == peers_requested - 1)
631 {
632 if (NULL != incoming_ch)
633 {
634 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
635 "Duplicate incoming channel for client %lu\n",
636 (long) cls);
637 GNUNET_assert (0);
638 }
639 incoming_ch = channel;
640 }
641 else
642 {
643 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
644 "Incoming channel for unexpected peer #%lu\n",
645 (long) cls);
646 GNUNET_assert (0);
647 }
648 ch = GNUNET_new (struct CadetTestChannelWrapper);
649 ch->ch = channel;
650
651 return ch;
652}
653
654
655/**
656 * Function called whenever an MQ-channel is destroyed, even if the destruction
657 * was requested by #GNUNET_CADET_channel_destroy.
658 * It must NOT call #GNUNET_CADET_channel_destroy on the channel.
659 *
660 * It should clean up any associated state, including cancelling any pending
661 * transmission on this channel.
662 *
663 * @param cls Channel closure (channel wrapper).
664 * @param channel Connection to the other end (henceforth invalid).
665 */
666static void
667disconnect_handler (void *cls,
668 const struct GNUNET_CADET_Channel *channel)
669{
670 struct CadetTestChannelWrapper *ch_w = cls;
671
672 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
673 "Channel disconnected at %d\n",
674 ok);
675 GNUNET_assert (ch_w->ch == channel);
676 if (channel == incoming_ch)
677 incoming_ch = NULL;
678 else if (outgoing_ch == channel)
679 outgoing_ch = NULL;
680 else
681 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
682 "Disconnect on unknown channel %p\n",
683 channel);
684 if (NULL != disconnect_task)
685 GNUNET_SCHEDULER_cancel (disconnect_task);
686 disconnect_task = GNUNET_SCHEDULER_add_now (&gather_stats_and_exit,
687 (void *) __LINE__);
688 GNUNET_free (ch_w);
689}
690
691
692/**
693 * Start the testcase, we know the peers and have handles to CADET.
694 *
695 * Testcase continues when the root receives confirmation of connected peers,
696 * on callback function ch.
697 *
698 * @param cls Closure (unused).
699 */
700static void
701start_test (void *cls)
702{
703 struct GNUNET_MQ_MessageHandler handlers[] = {
704 GNUNET_MQ_hd_var_size (data,
705 GNUNET_MESSAGE_TYPE_DUMMY,
706 struct GNUNET_MessageHeader,
707 NULL),
708 GNUNET_MQ_handler_end ()
709 };
710 struct CadetTestChannelWrapper *ch;
711 enum GNUNET_CADET_ChannelOption flags;
712
713 test_task = NULL;
714 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
715 "In start_test\n");
716 start_time = GNUNET_TIME_absolute_get ();
717 ch = GNUNET_new (struct CadetTestChannelWrapper);
718 outgoing_ch = GNUNET_CADET_channel_create (h1,
719 ch,
720 p_id[1],
721 &port,
722 flags,
723 NULL,
724 &disconnect_handler,
725 handlers);
726 ch->ch = outgoing_ch;
727 GNUNET_assert (NULL == disconnect_task);
728 disconnect_task
729 = GNUNET_SCHEDULER_add_delayed (short_time,
730 &gather_stats_and_exit,
731 (void *) __LINE__);
732 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
733 "Sending data initializer on channel %p...\n",
734 outgoing_ch);
735 send_test_message (outgoing_ch);
736}
737
738
739/**
740 * Callback to be called when the requested peer information is available
741 *
742 * @param cls the closure from GNUNET_TESTBED_peer_get_information()
743 * @param op the operation this callback corresponds to
744 * @param pinfo the result; will be NULL if the operation has failed
745 * @param emsg error message if the operation has failed;
746 * NULL if the operation is successful
747 */
748static void
749pi_cb (void *cls,
750 struct GNUNET_TESTBED_Operation *op,
751 const struct GNUNET_TESTBED_PeerInformation *pinfo,
752 const char *emsg)
753{
754 long i = (long) cls;
755
756 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
757 "ID callback for %ld\n",
758 i);
759 if ((NULL == pinfo) ||
760 (NULL != emsg))
761 {
762 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
763 "pi_cb: %s\n",
764 emsg);
765 abort_test (__LINE__);
766 return;
767 }
768 p_id[i] = pinfo->result.id;
769 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
770 "id: %s\n",
771 GNUNET_i2s (p_id[i]));
772 p_ids++;
773 if (p_ids < 2)
774 return;
775 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
776 "Got all IDs, starting test\n");
777 test_task = GNUNET_SCHEDULER_add_now (&start_test,
778 NULL);
779}
780
781
782/**
783 * test main: start test when all peers are connected
784 *
785 * @param cls Closure.
786 * @param ctx Argument to give to GNUNET_CADET_TEST_cleanup on test end.
787 * @param num_peers Number of peers that are running.
788 * @param peers Array of peers.
789 * @param cadets Handle to each of the CADETs of the peers.
790 */
791static void
792tmain (void *cls,
793 struct GNUNET_CADET_TEST_Context *ctx,
794 unsigned int num_peers,
795 struct GNUNET_TESTBED_Peer **peers,
796 struct GNUNET_CADET_Handle **cadets)
797{
798 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
799 "test main\n");
800 test_ctx = ctx;
801 peers_running = num_peers;
802 GNUNET_assert (peers_running == peers_requested);
803 testbed_peers = peers;
804 h1 = cadets[0];
805 h2 = cadets[num_peers - 1];
806 GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
807 NULL);
808 p_ids = 0;
809 t_op[0] = GNUNET_TESTBED_peer_get_information (peers[0],
810 GNUNET_TESTBED_PIT_IDENTITY,
811 &pi_cb,
812 (void *) 0L);
813 t_op[1] = GNUNET_TESTBED_peer_get_information (peers[num_peers - 1],
814 GNUNET_TESTBED_PIT_IDENTITY,
815 &pi_cb,
816 (void *) 1L);
817 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
818 "requested peer ids\n");
819}
820
821
822/**
823 * Main: start test
824 */
825int
826main (int argc,
827 char *argv[])
828{
829 static const struct GNUNET_HashCode *ports[2];
830 struct GNUNET_MQ_MessageHandler handlers[] = {
831 GNUNET_MQ_hd_var_size (data,
832 GNUNET_MESSAGE_TYPE_DUMMY,
833 struct GNUNET_MessageHeader,
834 NULL),
835 GNUNET_MQ_handler_end ()
836 };
837 const char *config_file = "test_cadet.conf";
838 char port_id[] = "test port";
839 struct GNUNET_GETOPT_CommandLineOption options[] = {
840 GNUNET_GETOPT_option_relative_time ('t',
841 "time",
842 "short_time",
843 gettext_noop ("set short timeout"),
844 &short_time),
845 GNUNET_GETOPT_option_uint ('m',
846 "messages",
847 "NUM_MESSAGES",
848 gettext_noop ("set number of messages to send"),
849 &total_packets),
850 GNUNET_GETOPT_option_uint ('p',
851 "peers",
852 "NUM_PEERS",
853 gettext_noop ("number of peers to launch"),
854 &peers_requested),
855 GNUNET_GETOPT_OPTION_END
856 };
857
858 GNUNET_log_setup ("test-cadet-flow",
859 "DEBUG",
860 NULL);
861 total_packets = TOTAL_PACKETS;
862 short_time = SHORT_TIME;
863 if (-1 == GNUNET_GETOPT_run (argv[0],
864 options,
865 argc,
866 argv))
867 {
868 fprintf (stderr,
869 "test failed: problem with CLI parameters\n");
870 return 1;
871 }
872 GNUNET_CRYPTO_hash (port_id,
873 sizeof(port_id),
874 &port);
875 ports[0] = &port;
876 ports[1] = NULL;
877 GNUNET_CADET_TEST_ruN ("test_cadet_flow",
878 config_file,
879 peers_requested,
880 &tmain,
881 NULL, /* tmain cls */
882 &connect_handler,
883 NULL,
884 &disconnect_handler,
885 handlers,
886 ports);
887 return 0;
888}
889
890
891/* end of test_cadet_flow.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-21 01:05:01 +0000