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21 * @file ats/perf_ats.c
22 * @brief ats benchmark: start peers and modify preferences, monitor change over time
23 * @author Christian Grothoff
24 * @author Matthias Wachs
27 #include "gnunet_util_lib.h"
28 #include "gnunet_testbed_service.h"
29 #include "gnunet_ats_service.h"
30 #include "gnunet_core_service.h"
31 #include "ats-testing.h"
34 #define TEST_ATS_PREFRENCE_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
35 #define TEST_ATS_PREFRENCE_START 1.0
36 #define TEST_ATS_PREFRENCE_DELTA 1.0
38 #define TEST_MESSAGE_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
40 #define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
41 #define BENCHMARK_DURATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
42 #define LOGGING_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 500)
43 #define TESTNAME_PREFIX "perf_ats_"
44 #define DEFAULT_SLAVES_NUM 2
45 #define DEFAULT_MASTERS_NUM 1
50 static struct GNUNET_SCHEDULER_Task *timeout_task;
55 static struct GNUNET_SCHEDULER_Task *progress_task;
68 * Test core (#GNUNET_YES) or transport (#GNUNET_NO)
80 static char *testname;
85 static char *pref_str;
88 * ATS preference value
95 static struct GNUNET_TIME_Relative perf_duration;
100 static struct GNUNET_TIME_Relative log_frequency;
103 * Number master peers
105 static unsigned int num_masters;
108 * Array of master peers
110 static struct BenchmarkPeer *mps;
115 static unsigned int num_slaves;
118 * Array of master peers
120 static struct BenchmarkPeer *sps;
122 static struct LoggingHandle *l;
130 unsigned int duration;
131 struct BenchmarkPeer *mp;
132 struct BenchmarkPartner *p;
134 unsigned int kb_sent_sec;
135 double kb_sent_percent;
136 unsigned int kb_recv_sec;
137 double kb_recv_percent;
140 duration = (perf_duration.rel_value_us / (1000 * 1000));
141 for (c_m = 0; c_m < num_masters; c_m++)
147 _("Master [%u]: sent: %u KiB in %u sec. = %u KiB/s, received: %u KiB in %u sec. = %u KiB/s\n"),
148 mp->no, mp->total_bytes_sent / 1024, duration,
149 (mp->total_bytes_sent / 1024) / duration,
150 mp->total_bytes_received / 1024, duration,
151 (mp->total_bytes_received / 1024) / duration);
153 for (c_s = 0; c_s < num_slaves; c_s++)
155 p = &mp->partners[c_s];
160 kb_sent_percent = 0.0;
161 kb_recv_percent = 0.0;
166 kb_sent_sec = (p->bytes_sent / 1024) / duration;
167 kb_recv_sec = (p->bytes_received / 1024) / duration;
170 if (mp->total_bytes_sent > 0)
171 kb_sent_percent = ((double) p->bytes_sent * 100) / mp->total_bytes_sent;
172 if (mp->total_bytes_received > 0)
173 kb_recv_percent = ((double) p->bytes_received * 100) / mp->total_bytes_received;
174 if (1000 * p->messages_sent > 0)
175 rtt = p->total_app_rtt / (1000 * p->messages_sent);
177 "%c Master [%u] -> Slave [%u]: sent %u KiB/s (%.2f %%), received %u KiB/s (%.2f %%)\n",
178 (mp->pref_partner == p->dest) ? '*' : ' ',
180 kb_sent_sec, kb_sent_percent,
181 kb_recv_sec, kb_recv_percent);
183 "%c Master [%u] -> Slave [%u]: Average application layer RTT: %u ms\n",
184 (mp->pref_partner == p->dest) ? '*' : ' ',
185 mp->no, p->dest->no, rtt);
197 do_shutdown (void *cls)
199 if (GNUNET_YES == logging)
200 GNUNET_ATS_TEST_logging_clean_up(l);
201 if (NULL != timeout_task)
203 GNUNET_SCHEDULER_cancel (timeout_task);
206 if (NULL != progress_task)
208 fprintf (stderr, "0\n");
209 GNUNET_SCHEDULER_cancel (progress_task);
210 progress_task = NULL;
212 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
213 "Benchmarking done\n");
214 GNUNET_ATS_TEST_shutdown_topology ();
224 do_timeout (void *cls)
226 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
227 "Terminating with timeout\n");
230 GNUNET_SCHEDULER_shutdown ();
235 print_progress (void *cls)
239 progress_task = NULL;
242 (long long unsigned) perf_duration.rel_value_us / (1000 * 1000) - calls);
245 progress_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
252 ats_pref_task (void *cls)
254 struct BenchmarkPeer *me = cls;
258 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, " Master [%u] set preference for slave [%u] to %f\n",
259 me->no, me->pref_partner->no, me->pref_value);
260 GNUNET_ATS_performance_change_preference (me->ats_perf_handle,
261 &me->pref_partner->id,
262 pref_val, me->pref_value, GNUNET_ATS_PREFERENCE_END);
263 me->pref_value += TEST_ATS_PREFRENCE_DELTA;
264 me->ats_task = GNUNET_SCHEDULER_add_delayed (TEST_ATS_PREFRENCE_FREQUENCY,
265 &ats_pref_task, cls);
270 start_benchmark (void *cls)
275 progress_task = GNUNET_SCHEDULER_add_now (&print_progress,
278 GNUNET_log(GNUNET_ERROR_TYPE_INFO,
279 "Topology connected, start benchmarking...\n");
281 /* Start sending test messages */
282 for (c_m = 0; c_m < num_masters; c_m++)
284 for (c_s = 0; c_s < num_slaves; c_s++)
286 GNUNET_ATS_TEST_generate_traffic_start (&mps[c_m],
287 &mps[c_m].partners[c_s],
288 GNUNET_ATS_TEST_TG_LINEAR,
291 GNUNET_TIME_UNIT_MINUTES,
292 GNUNET_TIME_UNIT_FOREVER_REL);
294 if (pref_val != GNUNET_ATS_PREFERENCE_END)
295 mps[c_m].ats_task = GNUNET_SCHEDULER_add_now (&ats_pref_task,
299 if (GNUNET_YES == logging)
300 l = GNUNET_ATS_TEST_logging_start (log_frequency,
302 num_masters, num_slaves,
308 do_benchmark (void *cls,
309 struct BenchmarkPeer *masters,
310 struct BenchmarkPeer *slaves)
314 GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
316 timeout_task = GNUNET_SCHEDULER_add_delayed (perf_duration,
319 progress_task = GNUNET_SCHEDULER_add_now (&start_benchmark,
324 static struct BenchmarkPartner *
325 find_partner (struct BenchmarkPeer *me,
326 const struct GNUNET_PeerIdentity *peer)
329 GNUNET_assert (NULL != me);
330 GNUNET_assert (NULL != peer);
332 for (c_m = 0; c_m < me->num_partners; c_m++)
334 /* Find a partner with other as destination */
335 if (0 == memcmp (peer, &me->partners[c_m].dest->id,
336 sizeof(struct GNUNET_PeerIdentity)))
338 return &me->partners[c_m];
346 test_recv_cb (void *cls,
347 const struct GNUNET_PeerIdentity * peer,
348 const struct GNUNET_MessageHeader * message)
355 log_request_cb (void *cls,
356 const struct GNUNET_HELLO_Address *address,
358 struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
359 struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
360 const struct GNUNET_ATS_Properties *ats)
362 struct BenchmarkPeer *me = cls;
363 struct BenchmarkPartner *p;
366 p = find_partner (me, &address->peer);
369 /* This is not one of my partners
370 * Will happen since the peers will connect to each other due to gossiping
374 peer_id = GNUNET_strdup (GNUNET_i2s (&me->id));
376 if ((p->bandwidth_in != ntohl (bandwidth_in.value__)) ||
377 (p->bandwidth_out != ntohl (bandwidth_out.value__)))
378 p->bandwidth_in = ntohl (bandwidth_in.value__);
379 p->bandwidth_out = ntohl (bandwidth_out.value__);
381 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
382 "%s [%u] received ATS information for peers `%s'\n",
383 (GNUNET_YES == p->me->master) ? "Master" : "Slave",
385 GNUNET_i2s (&p->dest->id));
387 GNUNET_free (peer_id);
389 GNUNET_ATS_TEST_logging_now (l);
394 * Start the performance test case
397 main (int argc, char *argv[])
405 char *prefs[] = GNUNET_ATS_PreferenceTypeString;
410 /* Determine testname
411 * perf_ats_<solver>_<transport>_<preference>[.exe]*/
413 /* Find test prefix, store in temp */
414 tmp = strstr (argv[0], TESTNAME_PREFIX);
417 fprintf (stderr, "Unable to parse test name `%s'\n", argv[0]);
418 return GNUNET_SYSERR;
421 /* Set tmp to end of test name prefix */
422 tmp += strlen (TESTNAME_PREFIX);
424 /* Determine solver name */
425 solver = GNUNET_strdup (tmp);
426 /* Remove .exe prefix */
427 if (NULL != (dotexe = strstr (solver, ".exe")) && dotexe[4] == '\0')
430 /* Determine first '_' after solver */
431 tmp_sep = strchr (solver, '_');
434 fprintf (stderr, "Unable to parse test name `%s'\n", argv[0]);
436 return GNUNET_SYSERR;
439 comm_name = GNUNET_strdup (&tmp_sep[1]);
440 tmp_sep = strchr (comm_name, '_');
443 fprintf (stderr, "Unable to parse test name `%s'\n", argv[0]);
445 return GNUNET_SYSERR;
448 for (c = 0; c <= strlen (comm_name); c++)
449 comm_name[c] = toupper (comm_name[c]);
450 if (0 == strcmp (comm_name, "CORE"))
451 test_core = GNUNET_YES;
452 else if (0 == strcmp (comm_name, "TRANSPORT"))
453 test_core = GNUNET_NO;
456 GNUNET_free (comm_name);
457 GNUNET_free (solver);
458 return GNUNET_SYSERR;
461 pref_str = GNUNET_strdup(tmp_sep + 1);
463 GNUNET_asprintf (&conf_name, "%s%s_%s.conf", TESTNAME_PREFIX, solver,
465 GNUNET_asprintf (&test_name, "%s%s_%s", TESTNAME_PREFIX, solver, pref_str);
467 for (c = 0; c <= strlen (pref_str); c++)
468 pref_str[c] = toupper (pref_str[c]);
471 if (0 != strcmp (pref_str, "NONE"))
473 for (c = 0; c < GNUNET_ATS_PREFERENCE_END; c++)
475 if (0 == strcmp (pref_str, prefs[c]))
484 /* abuse terminator to indicate no pref */
485 pref_val = GNUNET_ATS_PREFERENCE_END;
489 fprintf (stderr, "Unknown preference: `%s'\n", pref_str);
491 GNUNET_free(pref_str);
492 GNUNET_free (comm_name);
496 for (c = 0; c < (argc - 1); c++)
498 if (0 == strcmp (argv[c], "-d"))
503 if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (argv[c + 1], &perf_duration))
504 fprintf (stderr, "Failed to parse duration `%s'\n", argv[c + 1]);
508 perf_duration = BENCHMARK_DURATION;
510 fprintf (stderr, "Running benchmark for %llu secs\n", (unsigned long long) (perf_duration.rel_value_us) / (1000 * 1000));
512 for (c = 0; c < (argc - 1); c++)
514 if (0 == strcmp (argv[c], "-s"))
519 if ((0L != (num_slaves = strtol (argv[c + 1], NULL, 10)))
520 && (num_slaves >= 1))
521 fprintf (stderr, "Starting %u slave peers\n", num_slaves);
523 num_slaves = DEFAULT_SLAVES_NUM;
526 num_slaves = DEFAULT_SLAVES_NUM;
528 for (c = 0; c < (argc - 1); c++)
530 if (0 == strcmp (argv[c], "-m"))
535 if ((0L != (num_masters = strtol (argv[c + 1], NULL, 10)))
536 && (num_masters >= 2))
537 fprintf (stderr, "Starting %u master peers\n", num_masters);
539 num_masters = DEFAULT_MASTERS_NUM;
542 num_masters = DEFAULT_MASTERS_NUM;
545 for (c = 0; c < argc; c++)
547 if (0 == strcmp (argv[c], "-l"))
548 logging = GNUNET_YES;
551 if (GNUNET_YES == logging)
553 for (c = 0; c < (argc - 1); c++)
555 if (0 == strcmp (argv[c], "-f"))
560 if (GNUNET_OK != GNUNET_STRINGS_fancy_time_to_relative (argv[c + 1], &log_frequency))
561 fprintf (stderr, "Failed to parse duration `%s'\n", argv[c + 1]);
565 log_frequency = LOGGING_FREQUENCY;
567 fprintf (stderr, "Using log frequency %llu ms\n",
568 (unsigned long long) (log_frequency.rel_value_us) / (1000));
571 GNUNET_asprintf (&testname, "%s_%s_%s",solver, comm_name, pref_str);
573 if (num_slaves < num_masters)
576 "Number of master peers is lower than slaves! exit...\n");
577 GNUNET_free(test_name);
579 GNUNET_free(pref_str);
580 GNUNET_free (comm_name);
581 return GNUNET_SYSERR;
587 GNUNET_ATS_TEST_create_topology ("perf-ats",
589 num_slaves, num_masters,
599 /* end of file perf_ats.c */