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.c
22 * @brief test case for transports; ensures messages get
23 * through, regardless of order
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_common.h"
31 #include "gnunet_hello_lib.h"
32 #include "gnunet_getopt_lib.h"
33 #include "gnunet_os_lib.h"
34 #include "gnunet_program_lib.h"
35 #include "gnunet_scheduler_lib.h"
36 #include "gnunet_server_lib.h"
37 #include "gnunet_transport_service.h"
39 #include "transport.h"
40 #include "transport-testing.h"
42 #define VERBOSE GNUNET_NO
44 #define VERBOSE_ARM GNUNET_NO
46 #define START_ARM GNUNET_YES
49 * How long until we give up on transmitting the message?
51 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 900)
53 static char *test_source;
55 static char *test_plugin;
57 static char *test_name;
61 static GNUNET_SCHEDULER_TaskIdentifier die_task;
63 struct PeerContext *p1;
65 struct PeerContext *p2;
67 struct GNUNET_TRANSPORT_TransmitHandle *th;
74 * Testcase specific declarations
78 * Note that this value must not significantly exceed
79 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
80 * messages may be dropped even for a reliable transport.
82 #define TOTAL_MSGS (1024 * 3)
88 struct GNUNET_MessageHeader header;
92 static char *test_name;
94 static int msg_scheduled;
96 static int msg_recv_expected;
99 static int test_failed;
101 static unsigned long long total_bytes;
103 static struct GNUNET_TIME_Absolute start_time;
105 static char bitmap[TOTAL_MSGS / 8];
108 * END Testcase specific declarations
112 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
114 #define OKPP do { ok++; } while (0)
118 get_bit (const char *map, unsigned int bit);
123 unsigned long long delta;
127 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
129 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
130 fprintf (stderr, "\nThroughput was %llu kb/s\n",
131 total_bytes * 1000 / 1024 / delta);
132 GNUNET_asprintf (&value_name, "unreliable_%s", test_plugin);
133 GAUGER ("TRANSPORT", value_name, (int) (total_bytes * 1000 / 1024 / delta),
135 GNUNET_free (value_name);
137 if (die_task != GNUNET_SCHEDULER_NO_TASK)
138 GNUNET_SCHEDULER_cancel (die_task);
141 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
144 GNUNET_TRANSPORT_TESTING_stop_peer (p1);
145 GNUNET_TRANSPORT_TESTING_stop_peer (p2);
151 for (i = 0; i < TOTAL_MSGS; i++)
153 if (get_bit (bitmap, i) == 0)
155 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Did not receive message %d\n", i);
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_stop_peer (p1);
181 GNUNET_TRANSPORT_TESTING_stop_peer (p2);
188 get_size (unsigned int iter)
192 ret = (iter * iter * iter);
193 return sizeof (struct TestMessage) + (ret % 60000);
198 * Sets a bit active in the bitmap.
200 * @param bitIdx which bit to set
203 set_bit (unsigned int bitIdx)
206 unsigned int targetBit;
208 if (bitIdx >= sizeof (bitmap) * 8)
210 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "tried to set bit %d of %d(!?!?)\n",
211 bitIdx, sizeof (bitmap) * 8);
214 arraySlot = bitIdx / 8;
215 targetBit = (1L << (bitIdx % 8));
216 bitmap[arraySlot] |= targetBit;
220 * Obtain a bit from bitmap.
221 * @param map the bitmap
222 * @param bit index from bitmap
224 * @return Bit \a bit from hashcode \a code
227 get_bit (const char *map, unsigned int bit)
229 if (bit >= TOTAL_MSGS)
231 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "get bit %d of %d(!?!?)\n", bit,
232 sizeof (bitmap) * 8);
235 return ((map)[bit >> 3] & (1 << (bit & 7))) > 0;
240 notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
241 const struct GNUNET_MessageHeader *message,
242 const struct GNUNET_TRANSPORT_ATS_Information *ats,
248 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
249 const struct TestMessage *hdr;
251 hdr = (const struct TestMessage *) message;
253 if (MTYPE != ntohs (message->type))
255 msg_recv_expected = n;
256 msg_recv = ntohl (hdr->num);
257 s = get_size (ntohl (hdr->num));
259 if (ntohs (message->size) != s)
261 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
262 "Expected message %u of size %u, got %u bytes of message %u\n",
263 ntohl (hdr->num), s, ntohs (message->size), ntohl (hdr->num));
264 if (GNUNET_SCHEDULER_NO_TASK != die_task)
265 GNUNET_SCHEDULER_cancel (die_task);
266 test_failed = GNUNET_YES;
267 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
271 memset (cbuf, ntohl (hdr->num), s - sizeof (struct TestMessage));
272 if (0 != memcmp (cbuf, &hdr[1], s - sizeof (struct TestMessage)))
274 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
275 "Expected message %u with bits %u, but body did not match\n",
276 ntohl (hdr->num), (unsigned char) n);
277 if (GNUNET_SCHEDULER_NO_TASK != die_task)
278 GNUNET_SCHEDULER_cancel (die_task);
279 test_failed = GNUNET_YES;
280 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
284 if (ntohl (hdr->num) % 5 == 0)
286 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n",
287 ntohl (hdr->num), ntohs (message->size));
291 set_bit (ntohl (hdr->num));
292 if (0 == (n % (TOTAL_MSGS / 100)))
294 fprintf (stderr, ".");
295 if (GNUNET_SCHEDULER_NO_TASK != die_task)
296 GNUNET_SCHEDULER_cancel (die_task);
297 test_failed = GNUNET_YES;
298 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
306 notify_ready (void *cls, size_t size, void *buf)
310 struct TestMessage hdr;
324 GNUNET_assert (size >= s);
325 GNUNET_assert (buf != NULL);
329 hdr.header.size = htons (s);
330 hdr.header.type = htons (MTYPE);
333 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
334 ret += sizeof (struct TestMessage);
335 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
336 ret += s - sizeof (struct TestMessage);
340 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending message %u of size %u\n", n,
347 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
348 break; /* sometimes pack buffer full, sometimes not */
350 while (size - ret >= s);
353 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, s, 0, TIMEOUT,
354 ¬ify_ready, NULL);
359 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
360 "All messages scheduled to be sent!!\n");
361 if (GNUNET_SCHEDULER_NO_TASK != die_task)
362 GNUNET_SCHEDULER_cancel (die_task);
363 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
367 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
368 "Returning total message block of size %u\n", ret);
376 notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
377 const struct GNUNET_TRANSPORT_ATS_Information *ats,
381 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
382 GNUNET_i2s (peer), cls);
386 GNUNET_TRANSPORT_set_quota (p1->th, &p2->id,
387 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
389 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
394 GNUNET_TRANSPORT_set_quota (p2->th, &p1->id,
395 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
397 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
404 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
406 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' disconnected (%p)!\n",
407 GNUNET_i2s (peer), cls);
413 start_time = GNUNET_TIME_absolute_get ();
414 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, get_size (0), 0,
415 TIMEOUT, ¬ify_ready, NULL);
419 testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
421 char *p1_c = strdup (GNUNET_i2s (&p1->id));
423 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %s <-> %s\n", p1_c,
424 GNUNET_i2s (&p2->id));
427 // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG!
428 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL);
432 run (void *cls, char *const *args, const char *cfgfile,
433 const struct GNUNET_CONFIGURATION_Handle *cfg)
435 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
437 p1 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p1, ¬ify_receive,
438 ¬ify_connect, ¬ify_disconnect,
440 p2 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p2, ¬ify_receive,
441 ¬ify_connect, ¬ify_disconnect,
444 if ((p1 == NULL) || (p2 == NULL))
446 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
447 if (die_task != GNUNET_SCHEDULER_NO_TASK)
448 GNUNET_SCHEDULER_cancel (die_task);
449 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
453 GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb, NULL);
459 static char *const argv[] = { "test-transport-api-unreliability",
461 "test_transport_api_data.conf",
467 static struct GNUNET_GETOPT_CommandLineOption options[] = {
468 GNUNET_GETOPT_OPTION_END
472 setTransportOptions ("test_transport_api_data.conf");
476 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
477 "nohelp", options, &run, &ok);
483 main (int argc, char *argv[])
488 GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
489 GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
491 GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
493 GNUNET_log_setup (test_name,
501 if ((strcmp (test_plugin, "tcp_nat") == 0) ||
502 (strcmp (test_plugin, "udp_nat") == 0))
504 nat_res = GNUNET_OS_check_helper_binary ("gnunet-nat-server");
505 if (GNUNET_NO == nat_res)
507 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
508 "gnunet-nat-server", "SUID not set");
511 if (GNUNET_SYSERR == nat_res)
513 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
514 "gnunet-nat-server", "file not found");
519 GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
520 GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);
524 GNUNET_free (cfg_file_p1);
525 GNUNET_free (cfg_file_p2);
527 GNUNET_free (test_source);
528 GNUNET_free (test_plugin);
529 GNUNET_free (test_name);
534 /* end of test_transport_api_unreliability.c */