2 This file is part of GNUnet.
3 (C) 2009, 2010 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 transport/test_transport_api_unreliability_constant.c
22 * @brief test case for transports; ensures messages get
23 * through, regardless of order, constant packet size
25 * This test case serves as a base for unreliable
26 * transport test cases to check that the transports
27 * achieve reliable message delivery.
30 #include "gnunet_transport_service.h"
32 #include "transport-testing.h"
37 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 900)
40 * How long until we give up on transmitting the message?
42 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
44 static char *test_source;
46 static char *test_plugin;
48 static char *test_name;
52 static GNUNET_SCHEDULER_TaskIdentifier die_task;
54 struct PeerContext *p1;
56 struct PeerContext *p2;
58 struct GNUNET_TRANSPORT_TransmitHandle *th;
60 struct GNUNET_TRANSPORT_TESTING_handle *tth;
69 static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
72 * Testcase specific declarations
76 * Note that this value must not significantly exceed
77 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
78 * messages may be dropped even for a reliable transport.
80 #define TOTAL_MSGS (1024 * 3)
84 #define MSG_SIZE 10000
86 GNUNET_NETWORK_STRUCT_BEGIN
90 struct GNUNET_MessageHeader header;
93 GNUNET_NETWORK_STRUCT_END
95 static char *test_name;
97 static int msg_scheduled;
99 static int msg_recv_expected;
102 static int test_failed;
104 static unsigned long long total_bytes;
106 static struct GNUNET_TIME_Absolute start_time;
109 * END Testcase specific declarations
113 #define OKPP do { ok++; FPRINTF (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
115 #define OKPP do { ok++; } while (0)
119 get_bit (const char *map, unsigned int bit);
124 unsigned long long delta;
128 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
130 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
131 FPRINTF (stderr, "\nThroughput was %llu kb/s\n",
132 total_bytes * 1000 / 1024 / delta);
133 GNUNET_asprintf (&value_name, "unreliable_%s", test_plugin);
134 GAUGER ("TRANSPORT", value_name, (int) (total_bytes * 1000 / 1024 / delta),
136 GNUNET_free (value_name);
138 if (die_task != GNUNET_SCHEDULER_NO_TASK)
139 GNUNET_SCHEDULER_cancel (die_task);
142 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
146 GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
149 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
150 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
152 GNUNET_TRANSPORT_TESTING_done (tth);
155 if (test_failed == GNUNET_NO)
157 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "GOT %u of %u messages\n", msg_recv,
164 die_task = GNUNET_SCHEDULER_NO_TASK;
165 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
167 if (test_failed == GNUNET_NO)
168 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Testcase timeout\n");
170 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
171 "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
172 msg_sent, msg_scheduled, msg_recv, msg_recv_expected);
175 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
179 GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
183 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
185 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
187 GNUNET_TRANSPORT_TESTING_done (tth);
194 get_size (unsigned int iter)
198 ret = (iter * iter * iter);
199 return sizeof (struct TestMessage) + (ret % 60000);
208 notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
209 const struct GNUNET_MessageHeader *message)
214 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
215 const struct TestMessage *hdr;
217 hdr = (const struct TestMessage *) message;
219 if (MTYPE != ntohs (message->type))
221 msg_recv_expected = n;
222 msg_recv = ntohl (hdr->num);
223 if (msg_recv_expected != msg_recv)
225 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Expected message no %u, got %u\n",
226 msg_recv_expected, msg_recv);
227 if (GNUNET_SCHEDULER_NO_TASK != die_task)
228 GNUNET_SCHEDULER_cancel (die_task);
229 test_failed = GNUNET_YES;
230 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
234 s = get_size (ntohl (hdr->num));
235 if (ntohs (message->size) != s)
237 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
238 "Expected message %u of size %u, got %u bytes of message %u\n",
239 ntohl (hdr->num), s, ntohs (message->size), ntohl (hdr->num));
240 if (GNUNET_SCHEDULER_NO_TASK != die_task)
241 GNUNET_SCHEDULER_cancel (die_task);
242 test_failed = GNUNET_YES;
243 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
247 memset (cbuf, ntohl (hdr->num), s - sizeof (struct TestMessage));
248 if (0 != memcmp (cbuf, &hdr[1], s - sizeof (struct TestMessage)))
250 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
251 "Expected message %u with bits %u, but body did not match\n",
252 ntohl (hdr->num), (unsigned char) n);
253 if (GNUNET_SCHEDULER_NO_TASK != die_task)
254 GNUNET_SCHEDULER_cancel (die_task);
255 test_failed = GNUNET_YES;
256 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
260 if (ntohl (hdr->num) % 5 == 0)
262 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n",
263 ntohl (hdr->num), ntohs (message->size));
267 if (0 == (n % (TOTAL_MSGS / 100)))
269 FPRINTF (stderr, "%s", ".");
270 if (GNUNET_SCHEDULER_NO_TASK != die_task)
271 GNUNET_SCHEDULER_cancel (die_task);
272 test_failed = GNUNET_YES;
273 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
277 /* because of starting with 0 */
279 FPRINTF (stderr, "%s", "\n");
286 notify_ready (void *cls, size_t size, void *buf)
290 struct TestMessage hdr;
298 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
299 "Timeout occurred while waiting for transmit_ready\n");
300 if (GNUNET_SCHEDULER_NO_TASK != die_task)
301 GNUNET_SCHEDULER_cancel (die_task);
302 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
308 GNUNET_assert (size >= s);
309 GNUNET_assert (buf != NULL);
313 hdr.header.size = htons (s);
314 hdr.header.type = htons (MTYPE);
317 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
318 ret += sizeof (struct TestMessage);
319 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
320 ret += s - sizeof (struct TestMessage);
324 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending message %u of size %u\n", n,
331 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
332 break; /* sometimes pack buffer full, sometimes not */
334 while (size - ret >= s);
337 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, s, 0,
339 ¬ify_ready, NULL);
344 FPRINTF (stderr, "%s", "\n");
345 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
346 "All messages scheduled to be sent!!\n");
347 if (GNUNET_SCHEDULER_NO_TASK != die_task)
348 GNUNET_SCHEDULER_cancel (die_task);
349 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
353 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
354 "Returning total message block of size %u\n", ret);
362 notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer)
365 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
366 GNUNET_i2s (peer), cls);
371 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
373 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' disconnected (%p)!\n",
374 GNUNET_i2s (peer), cls);
376 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
383 start_time = GNUNET_TIME_absolute_get ();
384 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, get_size (0), 0,
385 TIMEOUT_TRANSMIT, ¬ify_ready,
390 testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
392 char *p1_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
394 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %s <-> %s\n", p1_c,
395 GNUNET_i2s (&p2->id));
400 GNUNET_SCHEDULER_add_now (&sendtask, NULL);
404 start_cb (struct PeerContext *p, void *cls)
410 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%s') started\n", p->no,
411 GNUNET_i2s (&p->id));
416 cc = GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
421 run (void *cls, char *const *args, const char *cfgfile,
422 const struct GNUNET_CONFIGURATION_Handle *cfg)
424 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
426 p1 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p1, 1,
427 ¬ify_receive, ¬ify_connect,
428 ¬ify_disconnect, &start_cb,
430 p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
431 ¬ify_receive, ¬ify_connect,
432 ¬ify_disconnect, &start_cb,
435 if ((p1 == NULL) || (p2 == NULL))
437 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
438 if (die_task != GNUNET_SCHEDULER_NO_TASK)
439 GNUNET_SCHEDULER_cancel (die_task);
440 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
448 static char *const argv[] = { "test-transport-api-unreliability-constant",
450 "test_transport_api_data.conf",
453 static struct GNUNET_GETOPT_CommandLineOption options[] = {
454 GNUNET_GETOPT_OPTION_END
459 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
460 "nohelp", options, &run, &ok);
466 main (int argc, char *argv[])
470 GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
472 GNUNET_log_setup (test_name,
476 GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
477 GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
480 tth = GNUNET_TRANSPORT_TESTING_init ();
482 GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
483 GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);
487 GNUNET_free (cfg_file_p1);
488 GNUNET_free (cfg_file_p2);
490 GNUNET_free (test_source);
491 GNUNET_free (test_plugin);
492 GNUNET_free (test_name);
497 /* end of test_transport_api_unreliability_constant.c */