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 int queue_est = GNUNET_NO;
48 static struct GNUNET_PeerIdentity peer_id[NUM_PEERS];
50 static char *communicator_binary;
53 GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_hs[NUM_PEERS];
55 static struct GNUNET_CONFIGURATION_Handle *cfg_peers[NUM_PEERS];
57 static char *cfg_peers_name[NUM_PEERS];
61 static struct GNUNET_TIME_Absolute start_short;
63 static struct GNUNET_TIME_Absolute start_long;
65 static struct GNUNET_TIME_Absolute timeout;
67 static struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *my_tc;
69 #define SHORT_MESSAGE_SIZE 128
71 #define LONG_MESSAGE_SIZE 32000
73 #define BURST_PACKETS 5000
75 #define TOTAL_ITERATIONS 5
81 static unsigned int iterations_left = TOTAL_ITERATIONS;
83 #define SHORT_BURST_WINDOW \
84 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,2)
86 #define LONG_BURST_WINDOW \
87 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,2)
97 static size_t num_sent = 0;
99 static uint32_t ack = 0;
101 static enum TestPhase phase;
103 static size_t num_received = 0;
105 static uint64_t avg_latency = 0;
107 static struct GNUNET_TIME_Relative duration;
111 communicator_available_cb (void *cls,
113 GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
115 enum GNUNET_TRANSPORT_CommunicatorCharacteristics cc,
116 char *address_prefix)
118 LOG (GNUNET_ERROR_TYPE_INFO,
119 "Communicator available. (cc: %u, prefix: %s)\n",
126 add_address_cb (void *cls,
127 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
130 struct GNUNET_TIME_Relative expiration,
132 enum GNUNET_NetworkType nt)
134 LOG (GNUNET_ERROR_TYPE_DEBUG,
135 "New address. (addr: %s, expir: %" PRIu32 ", ID: %" PRIu32 ", nt: %u\n",
137 expiration.rel_value_us,
140 // addresses[1] = GNUNET_strdup (address);
141 if ((0 == strcmp ((char*) cls, cfg_peers_name[PEER_B])) &&
142 (GNUNET_NO == queue_est))
144 queue_est = GNUNET_YES;
145 GNUNET_TRANSPORT_TESTING_transport_communicator_open_queue (tc_hs[PEER_A],
153 * @brief Callback that informs whether the requested queue will be
156 * Implements #GNUNET_TRANSPORT_TESTING_QueueCreateReplyCallback.
158 * @param cls Closure - unused
159 * @param tc_h Communicator handle - unused
160 * @param will_try #GNUNET_YES if queue will be established
161 * #GNUNET_NO if queue will not be established (bogous address)
164 queue_create_reply_cb (void *cls,
166 GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
170 if (GNUNET_YES == will_try)
171 LOG (GNUNET_ERROR_TYPE_DEBUG,
172 "Queue will be established!\n");
174 LOG (GNUNET_ERROR_TYPE_WARNING,
175 "Queue won't be established (bougus address?)!\n");
179 static struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *
180 handle_backchannel_cb (void *cls,
181 struct GNUNET_MessageHeader *msg,
182 struct GNUNET_PeerIdentity *pid)
184 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h = cls;
185 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Handling BC message...\n");
186 if (0 == memcmp (&peer_id[PEER_A], pid, sizeof (*pid)))
187 return tc_hs[PEER_A];
189 return tc_hs[PEER_B];
194 make_payload (size_t payload_size)
196 struct GNUNET_TIME_Absolute ts;
197 struct GNUNET_TIME_AbsoluteNBO ts_n;
198 char *payload = GNUNET_malloc (payload_size);
200 GNUNET_assert (payload_size >= 8); // So that out timestamp fits
201 ts = GNUNET_TIME_absolute_get ();
202 ts_n = GNUNET_TIME_absolute_hton (ts);
203 memset (payload, 0, payload_size);
204 memcpy (payload, &ts_n, sizeof (struct GNUNET_TIME_AbsoluteNBO));
210 latency_timeout (void *cls)
213 if (GNUNET_TIME_absolute_get_remaining (timeout).rel_value_us > 0)
215 to_task = GNUNET_SCHEDULER_add_at (timeout,
221 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
222 "Latency too high. Test failed. (Phase: %d. Sent: %lu, Received: %lu)\n",
223 phase, num_sent, num_received);
225 GNUNET_SCHEDULER_shutdown ();
230 size_test (void *cls)
234 GNUNET_assert (TP_SIZE_CHECK == phase);
236 return; /* Leave some room for our protocol, so not 2^16 exactly */
237 payload = make_payload (ack);
240 GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
247 GNUNET_free (payload);
248 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
253 long_test (void *cls)
257 payload = make_payload (LONG_MESSAGE_SIZE);
259 GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
267 GNUNET_free (payload);
268 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
273 short_test (void *cls)
277 payload = make_payload (SHORT_MESSAGE_SIZE);
279 GNUNET_TRANSPORT_TESTING_transport_communicator_send (my_tc,
287 GNUNET_free (payload);
288 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
293 * @brief Handle opening of queue
295 * Issues sending of test data
297 * Implements #GNUNET_TRANSPORT_TESTING_AddQueueCallback
300 * @param tc_h Communicator handle
301 * @param tc_queue Handle to newly opened queue
304 add_queue_cb (void *cls,
305 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle *tc_h,
306 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorQueue *
309 if (0 != strcmp ((char*) cls, cfg_peers_name[0]))
311 LOG (GNUNET_ERROR_TYPE_DEBUG,
312 "Queue established, starting test...\n");
313 start_short = GNUNET_TIME_absolute_get ();
315 phase = TP_BURST_SHORT;
316 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
317 GNUNET_assert (NULL == to_task);
318 to_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
326 update_avg_latency (const char*payload)
328 struct GNUNET_TIME_AbsoluteNBO *ts_n;
329 struct GNUNET_TIME_Absolute ts;
330 struct GNUNET_TIME_Relative latency;
332 ts_n = (struct GNUNET_TIME_AbsoluteNBO *) payload;
333 ts = GNUNET_TIME_absolute_ntoh (*ts_n);
334 latency = GNUNET_TIME_absolute_get_duration (ts);
335 if (1 >= num_received)
336 avg_latency = latency.rel_value_us;
338 avg_latency = ((avg_latency * (num_received - 1)) + latency.rel_value_us)
345 * @brief Handle an incoming message
347 * Implements #GNUNET_TRANSPORT_TESTING_IncomingMessageCallback
350 * @param tc_h Handle to the receiving communicator
351 * @param msg Received message
354 incoming_message_cb (void *cls,
355 struct GNUNET_TRANSPORT_TESTING_TransportCommunicatorHandle
360 if (0 != strcmp ((char*) cls, cfg_peers_name[NUM_PEERS - 1]))
362 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
363 "unexpected receiver...\n");
367 timeout = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_SECONDS);
372 GNUNET_assert (SHORT_MESSAGE_SIZE == payload_len);
374 duration = GNUNET_TIME_absolute_get_duration (start_short);
375 update_avg_latency (payload);
376 if (num_received == BURST_PACKETS)
378 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
379 "Short size packet test done.\n");
380 char *goodput = GNUNET_STRINGS_byte_size_fancy ((SHORT_MESSAGE_SIZE
381 * num_received * 1000
383 / duration.rel_value_us);
384 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
385 "%lu/%lu packets in %llu us (%s/s) -- avg latency: %llu us\n",
386 (unsigned long) num_received,
387 (unsigned long) num_sent,
388 (unsigned long long) duration.rel_value_us,
390 (unsigned long long) avg_latency);
391 GNUNET_free (goodput);
392 start_long = GNUNET_TIME_absolute_get ();
393 phase = TP_BURST_LONG;
403 if (LONG_MESSAGE_SIZE != payload_len)
405 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
406 "Ignoring packet with wrong length\n");
410 duration = GNUNET_TIME_absolute_get_duration (start_long);
411 update_avg_latency (payload);
412 if (num_received == BURST_PACKETS)
414 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
415 "Long size packet test done.\n");
416 char *goodput = GNUNET_STRINGS_byte_size_fancy ((LONG_MESSAGE_SIZE
417 * num_received * 1000
419 / duration.rel_value_us);
421 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
422 "%lu/%lu packets in %llu us (%s/s) -- avg latency: %llu us\n",
423 (unsigned long) num_received,
424 (unsigned long) num_sent,
425 (unsigned long long) duration.rel_value_us,
427 (unsigned long long) avg_latency);
428 GNUNET_free (goodput);
430 phase = TP_SIZE_CHECK;
441 update_avg_latency (payload);
442 if (num_received >= (64000 - 10) / 5)
444 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
445 "Size packet test done.\n");
446 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE,
447 "%lu/%lu packets -- avg latency: %llu us\n",
448 (unsigned long) num_received,
449 (unsigned long) num_sent,
450 (unsigned long long) avg_latency);
455 if (0 != iterations_left)
457 start_short = GNUNET_TIME_absolute_get ();
458 phase = TP_BURST_SHORT;
462 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
464 GNUNET_SCHEDULER_shutdown ();
473 do_shutdown (void *cls)
477 GNUNET_SCHEDULER_cancel (to_task);
480 for (unsigned int i = 0; i < NUM_PEERS; i++)
482 GNUNET_TRANSPORT_TESTING_transport_communicator_service_stop (tc_hs[i]);
488 * @brief Main function called by the scheduler
490 * @param cls Closure - Handle to configuration
498 for (unsigned int i = 0; i < NUM_PEERS; i++)
500 tc_hs[i] = GNUNET_TRANSPORT_TESTING_transport_communicator_service_start (
504 &communicator_available_cb,
506 &queue_create_reply_cb,
508 &incoming_message_cb,
509 &handle_backchannel_cb,
510 cfg_peers_name[i]); /* cls */
512 GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
521 struct GNUNET_CRYPTO_EddsaPrivateKey *private_key;
522 char *communicator_name;
528 test_name = GNUNET_TESTING_get_testname_from_underscore (argv[0]);
529 communicator_name = strchr (test_name, '-');
530 communicator_name[0] = '\0';
532 test_mode = test_name;
534 GNUNET_asprintf (&communicator_binary,
535 "gnunet-communicator-%s",
538 GNUNET_log_setup ("test_communicator_basic",
542 fprintf (stderr, "Unable to setup log\n");
546 for (unsigned int i = 0; i < NUM_PEERS; i++)
548 GNUNET_asprintf ((&cfg_peer),
549 "test_communicator_%s_%s_peer%u.conf",
550 communicator_name, test_mode, i + 1);
551 cfg_peers_name[i] = cfg_peer;
552 cfg_peers[i] = GNUNET_CONFIGURATION_create ();
554 GNUNET_DISK_file_test (cfg_peers_name[i]))
557 GNUNET_CONFIGURATION_load (cfg_peers[i],
561 "Malformed configuration file `%s', exiting ...\n",
569 GNUNET_CONFIGURATION_load (cfg_peers[i],
573 "Configuration file %s does not exist, exiting ...\n",
579 GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg_peers[i]);
580 if (NULL == private_key)
582 LOG (GNUNET_ERROR_TYPE_ERROR,
583 "Unable to get peer ID\n");
586 GNUNET_CRYPTO_eddsa_key_get_public (private_key,
587 &peer_id[i].public_key);
588 GNUNET_free (private_key);
589 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
590 "Identity of peer %u is %s\n",
592 GNUNET_i2s_full (&peer_id[i]));
594 GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, "Starting test...\n");
595 GNUNET_SCHEDULER_run (&run,