2 This file is part of GNUnet.
3 Copyright (C) 2019 GNUnet e.V.
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.
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.
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/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
22 * @file transport/test_communicator_basic.c
23 * @brief test the communicators
24 * @author Julius Bünger
25 * @author Martin Schanzenbach
28 #include "gnunet_util_lib.h"
29 #include "transport-testing2.h"
30 #include "gnunet_ats_transport_service.h"
31 #include "gnunet_signatures.h"
32 #include "gnunet_testing_lib.h"
33 #include "transport.h"
38 #define LOG(kind, ...) GNUNET_log_from (kind, \
39 "test_transport_communicator", \
44 static struct GNUNET_SCHEDULER_Task *to_task;
46 static struct GNUNET_SCHEDULER_Task *active_task;
48 static int queue_est = GNUNET_NO;
50 static struct GNUNET_PeerIdentity peer_id[NUM_PEERS];
52 static char *communicator_binary;
55 GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_hs[NUM_PEERS];
57 static struct GNUNET_CONFIGURATION_Handle *cfg_peers[NUM_PEERS];
59 static char *cfg_peers_name[NUM_PEERS];
63 static struct GNUNET_TIME_Absolute start_short;
65 static struct GNUNET_TIME_Absolute start_long;
67 static struct GNUNET_TIME_Absolute timeout;
69 static struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *my_tc;
71 #define SHORT_MESSAGE_SIZE 128
73 #define LONG_MESSAGE_SIZE 32000
75 #define BURST_PACKETS 5000
77 #define TOTAL_ITERATIONS 5
83 static unsigned int iterations_left = TOTAL_ITERATIONS;
85 #define SHORT_BURST_WINDOW \
86 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,2)
88 #define LONG_BURST_WINDOW \
89 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,2)
99 static size_t num_sent = 0;
101 static uint32_t ack = 0;
103 static enum TestPhase phase;
105 static size_t num_received = 0;
107 static uint64_t avg_latency = 0;
109 static struct GNUNET_TIME_Relative duration;
113 communicator_available_cb (void *cls,
115 GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
117 enum GNUNET_TRANSPORT_CommunicatorCharacteristics cc,
118 char *address_prefix)
120 LOG (GNUNET_ERROR_TYPE_INFO,
121 "Communicator available. (cc: %u, prefix: %s)\n",
128 add_address_cb (void *cls,
129 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
132 struct GNUNET_TIME_Relative expiration,
134 enum GNUNET_NetworkType nt)
136 LOG (GNUNET_ERROR_TYPE_DEBUG,
137 "New address. (addr: %s, expir: %" PRIu32 ", ID: %" PRIu32 ", nt: %u\n",
139 expiration.rel_value_us,
142 // addresses[1] = GNUNET_strdup (address);
143 if ((0 == strcmp ((char*) cls, cfg_peers_name[PEER_B])) &&
144 (GNUNET_NO == queue_est))
146 queue_est = GNUNET_YES;
147 GNUNET_TRANSPORT_TESTING_transport_communicator_open_queue (tc_hs[PEER_A],
155 * @brief Callback that informs whether the requested queue will be
158 * Implements #GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback.
160 * @param cls Closure - unused
161 * @param tc_h Communicator handle - unused
162 * @param will_try #GNUNET_YES if queue will be established
163 * #GNUNET_NO if queue will not be established (bogous address)
166 queue_create_reply_cb (void *cls,
168 GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
172 if (GNUNET_YES == will_try)
173 LOG (GNUNET_ERROR_TYPE_DEBUG,
174 "Queue will be established!\n");
176 LOG (GNUNET_ERROR_TYPE_WARNING,
177 "Queue won't be established (bougus address?)!\n");
181 static struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
182 handle_backchannel_cb (void *cls,
183 struct GNUNET_MessageHeader *msg,
184 struct GNUNET_PeerIdentity *pid)
186 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h = cls;
187 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Handling BC message...\n");
188 if (0 == memcmp (&peer_id[PEER_A], pid, sizeof (*pid)))
189 return tc_hs[PEER_A];
191 return tc_hs[PEER_B];
196 make_payload (size_t payload_size)
198 struct GNUNET_TIME_Absolute ts;
199 struct GNUNET_TIME_AbsoluteNBO ts_n;
200 char *payload = GNUNET_malloc (payload_size);
202 GNUNET_assert (payload_size >= 8); // So that out timestamp fits
203 ts = GNUNET_TIME_absolute_get ();
204 ts_n = GNUNET_TIME_absolute_hton (ts);
205 memset (payload, 0, payload_size);
206 memcpy (payload, &ts_n, sizeof (struct GNUNET_TIME_AbsoluteNBO));
212 latency_timeout (void *cls)
215 if (GNUNET_TIME_absolute_get_remaining (timeout).rel_value_us > 0)
217 to_task = GNUNET_SCHEDULER_add_at (timeout,
223 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
224 "Latency too high. Test failed. (Phase: %d. Sent: %lu, Received: %lu)\n",
225 phase, num_sent, num_received);
227 GNUNET_SCHEDULER_shutdown ();
232 size_test (void *cls)
237 GNUNET_assert (TP_SIZE_CHECK == phase);
239 return; /* Leave some room for our protocol, so not 2^16 exactly */
240 payload = make_payload (ack);
241 GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
244 GNUNET_free (payload);
247 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
249 active_task = GNUNET_SCHEDULER_add_now (&size_test,
255 long_test (void *cls)
260 payload = make_payload (LONG_MESSAGE_SIZE);
261 GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
265 GNUNET_free (payload);
266 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
267 if (num_sent == BURST_PACKETS)
269 active_task = GNUNET_SCHEDULER_add_now (&long_test,
275 short_test (void *cls)
280 payload = make_payload (SHORT_MESSAGE_SIZE);
281 GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
285 GNUNET_free (payload);
286 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
287 if (num_sent >= BURST_PACKETS)
289 active_task = GNUNET_SCHEDULER_add_now (&short_test,
295 * @brief Handle opening of queue
297 * Issues sending of test data
299 * Implements #GNUNET_TRANSPORT_TESTING_AddQueueCallback
302 * @param tc_h Communicator handle
303 * @param tc_queue Handle to newly opened queue
306 add_queue_cb (void *cls,
307 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
308 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *
311 if (0 != strcmp ((char*) cls, cfg_peers_name[0]))
313 LOG (GNUNET_ERROR_TYPE_DEBUG,
314 "Queue established, starting test...\n");
315 start_short = GNUNET_TIME_absolute_get ();
317 phase = TP_BURST_SHORT;
318 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
319 GNUNET_assert (NULL == to_task);
320 to_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
323 GNUNET_assert (NULL == active_task);
324 active_task = GNUNET_SCHEDULER_add_now (&short_test,
330 update_avg_latency (const char*payload)
332 struct GNUNET_TIME_AbsoluteNBO *ts_n;
333 struct GNUNET_TIME_Absolute ts;
334 struct GNUNET_TIME_Relative latency;
336 ts_n = (struct GNUNET_TIME_AbsoluteNBO *) payload;
337 ts = GNUNET_TIME_absolute_ntoh (*ts_n);
338 latency = GNUNET_TIME_absolute_get_duration (ts);
339 if (1 >= num_received)
340 avg_latency = latency.rel_value_us;
342 avg_latency = ((avg_latency * (num_received - 1)) + latency.rel_value_us)
349 * @brief Handle an incoming message
351 * Implements #GNUNET_TRANSPORT_TESTING_IncomingMessageCallback
354 * @param tc_h Handle to the receiving communicator
355 * @param msg Received message
358 incoming_message_cb (void *cls,
359 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
364 if (0 != strcmp ((char*) cls, cfg_peers_name[NUM_PEERS - 1]))
366 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
367 "unexpected receiver...\n");
371 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
376 GNUNET_assert (SHORT_MESSAGE_SIZE == payload_len);
378 duration = GNUNET_TIME_absolute_get_duration (start_short);
379 update_avg_latency (payload);
380 if (num_received == BURST_PACKETS)
382 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
383 "Short size packet test done.\n");
384 char *goodput = GNUNET_STRINGS_byte_size_fancy ((SHORT_MESSAGE_SIZE
385 * num_received * 1000
387 / duration.rel_value_us);
388 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
389 "%lu/%lu packets in %llu us (%s/s) -- avg latency: %llu us\n",
390 (unsigned long) num_received,
391 (unsigned long) num_sent,
392 (unsigned long long) duration.rel_value_us,
394 (unsigned long long) avg_latency);
395 GNUNET_free (goodput);
396 start_long = GNUNET_TIME_absolute_get ();
397 phase = TP_BURST_LONG;
401 active_task = GNUNET_SCHEDULER_add_now (&long_test,
408 if (LONG_MESSAGE_SIZE != payload_len)
410 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
411 "Ignoring packet with wrong length\n");
415 duration = GNUNET_TIME_absolute_get_duration (start_long);
416 update_avg_latency (payload);
417 if (num_received == BURST_PACKETS)
419 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
420 "Long size packet test done.\n");
421 char *goodput = GNUNET_STRINGS_byte_size_fancy ((LONG_MESSAGE_SIZE
422 * num_received * 1000
424 / duration.rel_value_us);
426 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
427 "%lu/%lu packets in %llu us (%s/s) -- avg latency: %llu us\n",
428 (unsigned long) num_received,
429 (unsigned long) num_sent,
430 (unsigned long long) duration.rel_value_us,
432 (unsigned long long) avg_latency);
433 GNUNET_free (goodput);
435 phase = TP_SIZE_CHECK;
439 active_task = GNUNET_SCHEDULER_add_now (&size_test,
447 update_avg_latency (payload);
448 if (num_received >= (64000 - 10) / 5)
450 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
451 "Size packet test done.\n");
452 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
453 "%lu/%lu packets -- avg latency: %llu us\n",
454 (unsigned long) num_received,
455 (unsigned long) num_sent,
456 (unsigned long long) avg_latency);
461 if (0 != iterations_left)
463 start_short = GNUNET_TIME_absolute_get ();
464 phase = TP_BURST_SHORT;
465 active_task = GNUNET_SCHEDULER_add_now (&short_test,
469 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
471 GNUNET_SCHEDULER_shutdown ();
480 do_shutdown (void *cls)
484 GNUNET_SCHEDULER_cancel (to_task);
487 if (NULL != active_task)
489 GNUNET_SCHEDULER_cancel (active_task);
496 * @brief Main function called by the scheduler
498 * @param cls Closure - Handle to configuration
506 for (unsigned int i = 0; i < NUM_PEERS; i++)
508 tc_hs[i] = GNUNET_TRANSPORT_TESTING_transport_communicator_service_start (
512 &communicator_available_cb,
514 &queue_create_reply_cb,
516 &incoming_message_cb,
517 &handle_backchannel_cb,
518 cfg_peers_name[i]); /* cls */
520 GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
529 struct GNUNET_CRYPTO_EddsaPrivateKey *private_key;
530 char *communicator_name;
536 test_name = GNUNET_TESTING_get_testname_from_underscore (argv[0]);
537 communicator_name = strchr (test_name, '-');
538 communicator_name[0] = '\0';
540 test_mode = test_name;
542 GNUNET_asprintf (&communicator_binary,
543 "gnunet-communicator-%s",
546 GNUNET_log_setup ("test_communicator_basic",
550 fprintf (stderr, "Unable to setup log\n");
554 for (unsigned int i = 0; i < NUM_PEERS; i++)
556 GNUNET_asprintf ((&cfg_peer),
557 "test_communicator_%s_%s_peer%u.conf",
558 communicator_name, test_mode, i + 1);
559 cfg_peers_name[i] = cfg_peer;
560 cfg_peers[i] = GNUNET_CONFIGURATION_create ();
562 GNUNET_DISK_file_test (cfg_peers_name[i]))
565 GNUNET_CONFIGURATION_load (cfg_peers[i],
569 "Malformed configuration file `%s', exiting ...\n",
577 GNUNET_CONFIGURATION_load (cfg_peers[i],
581 "Configuration file %s does not exist, exiting ...\n",
587 GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg_peers[i]);
588 if (NULL == private_key)
590 LOG (GNUNET_ERROR_TYPE_ERROR,
591 "Unable to get peer ID\n");
594 GNUNET_CRYPTO_eddsa_key_get_public (private_key,
595 &peer_id[i].public_key);
596 GNUNET_free (private_key);
597 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
598 "Identity of peer %u is %s\n",
600 GNUNET_i2s_full (&peer_id[i]));
602 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, "Starting test...\n");
603 GNUNET_SCHEDULER_run (&run,