2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file testing/test_transport_ats_multiple_peers.c
22 * @brief testcase for ats functionality by starting multiple peers
25 #include "gnunet_testing_lib.h"
26 #include "gnunet_transport_service.h"
27 #include "gnunet_scheduler_lib.h"
30 #define VERBOSE GNUNET_NO
33 #define MEASUREMENTS 5
35 #define DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
36 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
37 #define SEND_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
40 #define ATS_Q_UPDATED 1
41 #define ATS_C_UPDATED 2
42 #define ATS_QC_UPDATED 3
43 #define ATS_UNMODIFIED 4
47 static int peers_left;
49 static int failed_peers;
51 static int measurement_started = GNUNET_NO;
52 static char * config_file;
54 static struct GNUNET_TESTING_PeerGroup *pg;
56 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
57 static GNUNET_SCHEDULER_TaskIdentifier stats_task;
58 static GNUNET_SCHEDULER_TaskIdentifier send_task;
59 struct GNUNET_TESTING_Daemon * master_deamon;
60 struct GNUNET_TESTING_Daemon * ping_deamon;
62 struct GNUNET_STATISTICS_Handle * stats;
76 struct GNUNET_MessageHeader header;
83 static int c_unmodified;
84 static int c_modified;
88 static int force_q_updates;
89 static int force_rebuild;
91 static int machine_parsable;
93 static struct TEST_result results_new [MEASUREMENTS+1];
94 static struct TEST_result results_modified [MEASUREMENTS+1];
95 static struct TEST_result results_unmodified[MEASUREMENTS+1];
96 static struct TEST_result current;
98 static struct GNUNET_STATISTICS_GetHandle * s_solution;
99 static struct GNUNET_STATISTICS_GetHandle * s_time;
100 static struct GNUNET_STATISTICS_GetHandle * s_peers;
101 static struct GNUNET_STATISTICS_GetHandle * s_mechs;
102 static struct GNUNET_STATISTICS_GetHandle * s_duration;
103 static struct GNUNET_STATISTICS_GetHandle * s_invalid;
104 static struct GNUNET_STATISTICS_GetHandle * s_state;
106 struct GNUNET_TRANSPORT_TransmitHandle * t;
107 struct GNUNET_TRANSPORT_Handle * th;
110 * Check whether peers successfully shut down.
113 shutdown_callback (void *cls, const char *emsg)
118 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
119 "Shutdown of peers failed!\n");
127 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
128 "All peers successfully shut down!\n");
130 GNUNET_STATISTICS_destroy(stats, GNUNET_NO);
139 if (shutdown_task != GNUNET_SCHEDULER_NO_TASK)
141 GNUNET_SCHEDULER_cancel(shutdown_task);
142 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
144 if (stats_task != GNUNET_SCHEDULER_NO_TASK)
146 GNUNET_SCHEDULER_cancel(stats_task);
147 stats_task = GNUNET_SCHEDULER_NO_TASK;
149 if (send_task != GNUNET_SCHEDULER_NO_TASK)
151 GNUNET_SCHEDULER_cancel(send_task);
152 send_task = GNUNET_SCHEDULER_NO_TASK;
157 GNUNET_TRANSPORT_notify_transmit_ready_cancel(t);
160 GNUNET_TRANSPORT_disconnect(th);
163 GNUNET_STATISTICS_get_cancel(s_time);
168 GNUNET_STATISTICS_get_cancel(s_peers);
173 GNUNET_STATISTICS_get_cancel(s_mechs);
176 if (s_solution != NULL)
178 GNUNET_STATISTICS_get_cancel(s_solution);
181 if (s_duration != NULL)
183 GNUNET_STATISTICS_get_cancel(s_duration);
186 if (s_invalid != NULL)
188 GNUNET_STATISTICS_get_cancel(s_invalid);
193 GNUNET_STATISTICS_get_cancel(s_state);
196 GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
200 evaluate_measurements()
209 //GNUNET_asprintf(&output, "p,%i,m,%i,",peers, MEASUREMENTS, results_modified[0].mechs,
212 for (c=0; c<c_new;c++)
214 average[0] += (double) results_new[c].duration;
219 for (c=0; c<c_new;c++)
221 stddev[0] += (results_new[c].duration - average[0]) *
222 (results_new[c].duration - average[0]);
225 stddev[0] = sqrt (stddev[0]);
226 if (!machine_parsable)
228 "new, %i measurements, average: %f stddev: %f\n",
229 c_new, average[0], stddev[0]);
232 for (c=0; c<c_modified;c++)
234 average[1] += (double) results_modified[c].duration;
236 average[1] /= c_modified;
239 for (c=0; c<c_modified;c++)
241 stddev[1] += (results_modified[c].duration - average[1]) *
242 (results_modified[c].duration - average[1]);
244 stddev[1] /= c_modified;
245 stddev[1] = sqrt (stddev[1]);
246 if (!machine_parsable)
248 "modified, %i measurements, average: %f stddev: %f\n",
249 c_modified, average[1], stddev[1]);
252 for (c=0; c<c_unmodified;c++)
254 average[2] += (double) results_unmodified[c].duration;
256 average[2] /= c_unmodified;
258 for (c=0; c<c_unmodified;c++)
260 stddev[2] += (results_unmodified[c].duration - average[2]) *
261 (results_unmodified[c].duration - average[2]);
263 stddev[2] /= c_unmodified;
264 stddev[2] = sqrt (stddev[2]);
266 if (!machine_parsable)
268 "unmodified, %i measurements, average: %f stddev: %f\n",
269 c_unmodified, average[2], stddev[2]);
271 if (machine_parsable)
273 "peers,%i,mechs,%llu,"
277 peers-1, (unsigned long long) results_unmodified[0].mechs,
278 c_new, average[0], stddev[0],
279 c_modified, average[1], stddev[1],
280 c_unmodified, average[2], stddev[2]);
287 const char *subsystem,
292 static int printed = GNUNET_NO;
293 //GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s = %llu\n", name ,value);
294 if (0 == strcmp (name,"ATS invalid solutions"))
296 if (stats_task != GNUNET_SCHEDULER_NO_TASK)
298 GNUNET_SCHEDULER_cancel(stats_task);
299 stats_task = GNUNET_SCHEDULER_NO_TASK;
301 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"MLP produced invalid %llu result(s)!\n",
304 return GNUNET_SYSERR;
307 if (0 == strcmp (name,"ATS solution"))
312 if (0 == strcmp (name,"ATS peers"))
317 if (0 == strcmp (name,"ATS mechanisms"))
322 if (0 == strcmp (name,"ATS duration"))
326 if (0 == strcmp (name,"ATS timestamp"))
330 if (0 == strcmp (name,"ATS state"))
335 if ( (measurement_started == GNUNET_NO) &&
336 (0 == strcmp (name, "ATS peers")) &&
339 measurement_started = GNUNET_YES;
341 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
342 "All %llu peers connected\n",
345 if (! machine_parsable)
346 fprintf(stderr, "%i", count);
350 if (measurement_started == GNUNET_YES)
352 // GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s == %llu\n", name ,value);
353 if (0 == strcmp (name,"ATS timestamp"))
355 if (current.timestamp == 0)
358 current.timestamp = value;
360 if (current.timestamp == value)
362 printed = GNUNET_YES;
364 if (current.timestamp != value)
366 if (current.state == ATS_NEW)
368 if (c_new < MEASUREMENTS)
370 results_new[c_new] = current;
375 force_rebuild = GNUNET_NO;
376 force_q_updates = GNUNET_NO;
377 send_msg = GNUNET_NO;
380 if (current.state == ATS_UNMODIFIED)
382 if (c_unmodified < MEASUREMENTS)
384 results_unmodified[c_unmodified] = current;
389 if (current.state == ATS_Q_UPDATED)
391 if (c_modified < MEASUREMENTS)
393 results_modified[c_modified] = current;
398 force_q_updates = GNUNET_NO;
399 force_rebuild = GNUNET_YES;
405 "(new: %i / modified: %i / unmodified: %i) of %i \n",
406 c_new, c_modified, c_unmodified , MEASUREMENTS);
408 if ((c_modified >= MEASUREMENTS) &&
409 (c_new >= MEASUREMENTS) &&
410 (c_unmodified >= MEASUREMENTS))
413 if (!machine_parsable)
414 fprintf(stdout, "\n");
416 if (stats_task != GNUNET_SCHEDULER_NO_TASK)
418 GNUNET_SCHEDULER_cancel(stats_task);
419 stats_task = GNUNET_SCHEDULER_NO_TASK;
421 evaluate_measurements();
422 return GNUNET_SYSERR;
426 current.timestamp = value;
428 if (! machine_parsable)
429 fprintf(stderr, "..%i", count);
435 if (0 == strcmp (name,"ATS solution"))
437 current.solution = value;
438 if (printed == GNUNET_NO)
439 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "[%i] %s: %llu \n",
443 if (0 == strcmp (name,"ATS peers"))
445 current.peers = value;
446 if (printed == GNUNET_NO)
447 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "[%i] %s: %llu \n",
451 if (0 == strcmp (name,"ATS mechanisms"))
453 current.mechs = value;
454 if (printed == GNUNET_NO)
455 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "[%i] %s: %llu \n",
459 if (0 == strcmp (name,"ATS duration"))
461 current.duration = value;
462 if (printed == GNUNET_NO)
463 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "[%i] %s: %llu \n",
466 if (0 == strcmp (name,"ATS state"))
468 current.state = value;
470 if (value == ATS_NEW)
472 if (value == ATS_C_UPDATED)
474 if (value == ATS_Q_UPDATED)
476 if (value == ATS_QC_UPDATED)
478 if (value == ATS_UNMODIFIED)
480 if (printed == GNUNET_NO)
481 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
482 "[%i] ATS state: %s\n", count, cont);
490 stats_get_task (void *cls,
491 const struct GNUNET_SCHEDULER_TaskContext *tc)
493 stats_task = GNUNET_SCHEDULER_NO_TASK;
494 if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
497 s_time = GNUNET_STATISTICS_get (stats, "transport", "ATS timestamp",
498 TIMEOUT, NULL, &stats_cb, NULL);
499 s_solution = GNUNET_STATISTICS_get (stats, "transport", "ATS solution",
500 TIMEOUT, NULL, &stats_cb, NULL);
501 s_duration = GNUNET_STATISTICS_get (stats, "transport","ATS duration",
502 TIMEOUT, NULL, &stats_cb, NULL);
503 s_peers = GNUNET_STATISTICS_get (stats, "transport", "ATS peers",
504 TIMEOUT, NULL, &stats_cb, NULL);
505 s_mechs = GNUNET_STATISTICS_get (stats, "transport", "ATS mechanisms",
506 TIMEOUT, NULL, &stats_cb, NULL);
507 s_invalid = GNUNET_STATISTICS_get (stats, "transport", "ATS invalid solutions",
508 TIMEOUT, NULL, &stats_cb, NULL);
509 s_state = GNUNET_STATISTICS_get (stats, "transport", "ATS state",
510 TIMEOUT, NULL, &stats_cb, NULL);
512 stats_task = GNUNET_SCHEDULER_add_delayed(
513 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 100),
521 const struct GNUNET_SCHEDULER_TaskContext *tc)
523 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
524 if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
527 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
536 shutdown_task = GNUNET_SCHEDULER_add_delayed(DELAY, &delay, NULL);
540 send_dummy_data_task (void *cls, size_t size, void *buf)
542 int s = sizeof (struct TestMessage);
543 struct TestMessage hdr;
545 hdr.header.size = htons (s);
546 hdr.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_ATS);
551 memcpy (buf,&hdr, s);
552 // GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Sent bytes: %i of %i\n", s, s);
559 send_task_f (void *cls,
560 const struct GNUNET_SCHEDULER_TaskContext *tc)
562 send_task = GNUNET_SCHEDULER_NO_TASK;
563 if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
568 GNUNET_TRANSPORT_notify_transmit_ready_cancel(t);
572 if (send_msg == GNUNET_YES)
573 t = GNUNET_TRANSPORT_notify_transmit_ready(th,
575 sizeof (struct TestMessage), 0,
577 &send_dummy_data_task, NULL);
578 send_task = GNUNET_SCHEDULER_add_delayed(
579 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS,1000),
586 notify_connect (void *cls,
587 const struct GNUNET_PeerIdentity *peer,
588 const struct GNUNET_TRANSPORT_ATS_Information *ats,
591 send_task = GNUNET_SCHEDULER_add_now(&send_task_f, NULL);
595 notify_disconnect (void *cls,
596 const struct GNUNET_PeerIdentity *peer)
598 if (GNUNET_SCHEDULER_NO_TASK != send_task)
600 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
601 "Disconnect event before transmission request could be scheduled!\n");
602 GNUNET_SCHEDULER_cancel (send_task);
603 send_task = GNUNET_SCHEDULER_NO_TASK;
607 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
608 "Disconnect event before transmission request could be completed!\n");
609 GNUNET_TRANSPORT_notify_transmit_ready_cancel (t);
615 daemon_connect_cb(void *cls,
616 const struct GNUNET_PeerIdentity *first,
617 const struct GNUNET_PeerIdentity *second,
619 const struct GNUNET_CONFIGURATION_Handle *first_cfg,
620 const struct GNUNET_CONFIGURATION_Handle *second_cfg,
621 struct GNUNET_TESTING_Daemon *first_daemon,
622 struct GNUNET_TESTING_Daemon *second_daemon,
625 char * firstc = strdup(GNUNET_i2s(first));
626 char * secondc = strdup(GNUNET_i2s(second));
628 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
629 "Connected peers `%s'<->`%s' (%i/%i)\n",
630 firstc, secondc, connected, peers-1);
632 GNUNET_free(secondc);
634 if ( ( (first_daemon == ping_deamon) ||
635 (second_daemon == ping_deamon) ) &&
636 (master_deamon != NULL) &&
637 (ping_deamon != NULL) )
639 th = GNUNET_TRANSPORT_connect (ping_deamon->cfg,
644 force_q_updates = GNUNET_YES;
645 send_msg = GNUNET_YES;
652 daemon_start_cb (void *cls,
653 const struct GNUNET_PeerIdentity *id,
654 const struct GNUNET_CONFIGURATION_Handle *cfg,
655 struct GNUNET_TESTING_Daemon *d, const char *emsg)
659 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
660 "Start callback called with error (too long starting peers), aborting test!\n");
661 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
662 "Error from testing: `%s'\n");
664 if (failed_peers == peers_left)
666 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
667 "Too many peers failed, ending test!\n");
675 if (master_deamon == NULL)
677 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
678 "Master peer `%s' '%s'\n",
679 GNUNET_i2s(id), d->cfgfile);
681 stats = GNUNET_STATISTICS_create("transport", master_deamon->cfg);
682 GNUNET_assert (stats != NULL);
683 stats_task = GNUNET_SCHEDULER_add_now(&stats_get_task, NULL);
687 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
688 "Connecting peer `%s'\n",
689 GNUNET_i2s(id), GNUNET_i2s(&master_deamon->id));
690 GNUNET_TESTING_daemons_connect(d,
701 if (ping_deamon == NULL)
704 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
705 "Ping peer `%s' '%s'\n", GNUNET_i2s(id), d->cfgfile);
708 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
709 "All peers started successfully!\n");
713 else if (failed_peers == peers_left)
715 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
716 "Too many peers failed, ending test!\n");
726 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
729 measurement_started = GNUNET_NO;
731 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting %i peers.\n", peers);
734 pg = GNUNET_TESTING_daemons_start (cfg,
735 peers_left, /* Total number of peers */
736 peers_left, /* Number of outstanding connections */
737 peers_left, /* Number of parallel ssh connections, or peers being started at once */
740 &daemon_start_cb, NULL, NULL, NULL, NULL);
741 GNUNET_assert (pg != NULL);
748 char *const argv[] = { "test-testing",
756 struct GNUNET_GETOPT_CommandLineOption options[] = {
757 GNUNET_GETOPT_OPTION_END
759 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
760 argv, "test-transport-ats", "nohelp",
767 main (int argc, char *argv[])
771 GNUNET_log_setup ("test-transport-ats-multiple-peers",
779 #if !HAVE_LIBGLPK && !HAVE_GLPK
780 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
781 "GLPK not installed, exiting testcase\n");
785 GNUNET_DISK_directory_remove ("/tmp/test-gnunet-testing");
786 machine_parsable = GNUNET_NO;
788 config_file = "test_transport_ats_4addr.conf";
793 for (c=0; c<argc; c++)
796 if ((strcmp(argv[c], "-p") == 0) && c < (argc-1))
798 peers = atoi(argv[c+1]);
801 /* set machine parsable */
802 if (strcmp(argv[c], "-m") == 0)
804 machine_parsable = GNUNET_YES;
806 /* set config file */
807 if ((strcmp(argv[c], "-c") == 0) && c < (argc-1))
809 config_file = argv[c+1];
818 * Still need to remove the base testing directory here,
819 * because group starts will create subdirectories under this
820 * main dir. However, we no longer need to sleep, as the
821 * shutdown sequence won't return until everything is cleaned
824 GNUNET_DISK_directory_remove ("/tmp/test-gnunet-testing");
828 /* end of test_transport_ats_multiple_peers.c*/