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
51 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
54 * How long until we give up on transmitting the message?
56 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
58 static char *test_source;
60 static char *test_plugin;
62 static char *test_name;
66 static GNUNET_SCHEDULER_TaskIdentifier die_task;
68 struct PeerContext *p1;
70 struct PeerContext *p2;
72 struct GNUNET_TRANSPORT_TransmitHandle *th;
79 * Testcase specific declarations
83 * Note that this value must not significantly exceed
84 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
85 * messages may be dropped even for a reliable transport.
87 #define TOTAL_MSGS (1024 * 3)
93 struct GNUNET_MessageHeader header;
97 static char *test_name;
99 static int msg_scheduled;
101 static int msg_recv_expected;
104 static int test_failed;
106 static unsigned long long total_bytes;
108 static struct GNUNET_TIME_Absolute start_time;
110 static char bitmap[TOTAL_MSGS / 8];
113 * END Testcase specific declarations
117 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
119 #define OKPP do { ok++; } while (0)
123 get_bit (const char *map, unsigned int bit);
128 unsigned long long delta;
132 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
134 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
135 fprintf (stderr, "\nThroughput was %llu kb/s\n",
136 total_bytes * 1000 / 1024 / delta);
137 GNUNET_asprintf (&value_name, "unreliable_%s", test_plugin);
138 GAUGER ("TRANSPORT", value_name, (int) (total_bytes * 1000 / 1024 / delta),
140 GNUNET_free (value_name);
142 if (die_task != GNUNET_SCHEDULER_NO_TASK)
143 GNUNET_SCHEDULER_cancel (die_task);
146 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
149 GNUNET_TRANSPORT_TESTING_stop_peer (p1);
150 GNUNET_TRANSPORT_TESTING_stop_peer (p2);
156 for (i = 0; i < TOTAL_MSGS; i++)
158 if (get_bit (bitmap, i) == 0)
160 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Did not receive message %d\n", i);
169 die_task = GNUNET_SCHEDULER_NO_TASK;
170 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
172 if (test_failed == GNUNET_NO)
173 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Testcase timeout\n");
175 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
176 "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
177 msg_sent, msg_scheduled, msg_recv, msg_recv_expected);
180 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
184 GNUNET_TRANSPORT_TESTING_stop_peer (p1);
186 GNUNET_TRANSPORT_TESTING_stop_peer (p2);
193 get_size (unsigned int iter)
197 ret = (iter * iter * iter);
198 return sizeof (struct TestMessage) + (ret % 60000);
203 * Sets a bit active in the bitmap.
205 * @param bitIdx which bit to set
208 set_bit (unsigned int bitIdx)
211 unsigned int targetBit;
213 if (bitIdx >= sizeof (bitmap) * 8)
215 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "tried to set bit %d of %d(!?!?)\n",
216 bitIdx, sizeof (bitmap) * 8);
219 arraySlot = bitIdx / 8;
220 targetBit = (1L << (bitIdx % 8));
221 bitmap[arraySlot] |= targetBit;
225 * Obtain a bit from bitmap.
226 * @param map the bitmap
227 * @param bit index from bitmap
229 * @return Bit \a bit from hashcode \a code
232 get_bit (const char *map, unsigned int bit)
234 if (bit >= TOTAL_MSGS)
236 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "get bit %d of %d(!?!?)\n", bit,
237 sizeof (bitmap) * 8);
240 return ((map)[bit >> 3] & (1 << (bit & 7))) > 0;
245 notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
246 const struct GNUNET_MessageHeader *message,
247 const struct GNUNET_TRANSPORT_ATS_Information *ats,
253 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
254 const struct TestMessage *hdr;
256 hdr = (const struct TestMessage *) message;
258 if (MTYPE != ntohs (message->type))
260 msg_recv_expected = n;
261 msg_recv = ntohl (hdr->num);
262 s = get_size (ntohl (hdr->num));
264 if (ntohs (message->size) != s)
266 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
267 "Expected message %u of size %u, got %u bytes of message %u\n",
268 ntohl (hdr->num), s, ntohs (message->size), ntohl (hdr->num));
269 if (GNUNET_SCHEDULER_NO_TASK != die_task)
270 GNUNET_SCHEDULER_cancel (die_task);
271 test_failed = GNUNET_YES;
272 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
276 memset (cbuf, ntohl (hdr->num), s - sizeof (struct TestMessage));
277 if (0 != memcmp (cbuf, &hdr[1], s - sizeof (struct TestMessage)))
279 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
280 "Expected message %u with bits %u, but body did not match\n",
281 ntohl (hdr->num), (unsigned char) n);
282 if (GNUNET_SCHEDULER_NO_TASK != die_task)
283 GNUNET_SCHEDULER_cancel (die_task);
284 test_failed = GNUNET_YES;
285 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
289 if (ntohl (hdr->num) % 5 == 0)
291 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n",
292 ntohl (hdr->num), ntohs (message->size));
296 set_bit (ntohl (hdr->num));
297 if (0 == (n % (TOTAL_MSGS / 100)))
299 fprintf (stderr, ".");
300 if (GNUNET_SCHEDULER_NO_TASK != die_task)
301 GNUNET_SCHEDULER_cancel (die_task);
302 test_failed = GNUNET_YES;
303 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
311 notify_ready (void *cls, size_t size, void *buf)
315 struct TestMessage hdr;
323 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
324 "Timeout occurred while waiting for transmit_ready\n");
325 if (GNUNET_SCHEDULER_NO_TASK != die_task)
326 GNUNET_SCHEDULER_cancel (die_task);
327 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
333 GNUNET_assert (size >= s);
334 GNUNET_assert (buf != NULL);
338 hdr.header.size = htons (s);
339 hdr.header.type = htons (MTYPE);
342 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
343 ret += sizeof (struct TestMessage);
344 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
345 ret += s - sizeof (struct TestMessage);
349 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending message %u of size %u\n", n,
356 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
357 break; /* sometimes pack buffer full, sometimes not */
359 while (size - ret >= s);
362 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, s, 0,
364 ¬ify_ready, NULL);
369 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
370 "All messages scheduled to be sent!!\n");
371 if (GNUNET_SCHEDULER_NO_TASK != die_task)
372 GNUNET_SCHEDULER_cancel (die_task);
373 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
377 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
378 "Returning total message block of size %u\n", ret);
386 notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
387 const struct GNUNET_TRANSPORT_ATS_Information *ats,
391 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
392 GNUNET_i2s (peer), cls);
396 GNUNET_TRANSPORT_set_quota (p1->th, &p2->id,
397 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
399 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
404 GNUNET_TRANSPORT_set_quota (p2->th, &p1->id,
405 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
407 GNUNET_BANDWIDTH_value_init (1024 * 1024 *
414 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
416 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' disconnected (%p)!\n",
417 GNUNET_i2s (peer), cls);
423 start_time = GNUNET_TIME_absolute_get ();
424 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, get_size (0), 0,
425 TIMEOUT_TRANSMIT, ¬ify_ready,
430 testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
432 char *p1_c = strdup (GNUNET_i2s (&p1->id));
434 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %s <-> %s\n", p1_c,
435 GNUNET_i2s (&p2->id));
438 // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG!
439 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL);
443 run (void *cls, char *const *args, const char *cfgfile,
444 const struct GNUNET_CONFIGURATION_Handle *cfg)
446 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
448 p1 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p1, ¬ify_receive,
449 ¬ify_connect, ¬ify_disconnect,
451 p2 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p2, ¬ify_receive,
452 ¬ify_connect, ¬ify_disconnect,
455 if ((p1 == NULL) || (p2 == NULL))
457 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
458 if (die_task != GNUNET_SCHEDULER_NO_TASK)
459 GNUNET_SCHEDULER_cancel (die_task);
460 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
464 GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb, NULL);
470 static char *const argv[] = { "test-transport-api-unreliability",
472 "test_transport_api_data.conf",
478 static struct GNUNET_GETOPT_CommandLineOption options[] = {
479 GNUNET_GETOPT_OPTION_END
483 setTransportOptions ("test_transport_api_data.conf");
487 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
488 "nohelp", options, &run, &ok);
494 main (int argc, char *argv[])
499 GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
500 GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
502 GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
504 GNUNET_log_setup (test_name,
512 if ((strcmp (test_plugin, "tcp_nat") == 0) ||
513 (strcmp (test_plugin, "udp_nat") == 0))
515 nat_res = GNUNET_OS_check_helper_binary ("gnunet-nat-server");
516 if (GNUNET_NO == nat_res)
518 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
519 "gnunet-nat-server", "SUID not set");
522 if (GNUNET_SYSERR == nat_res)
524 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
525 "gnunet-nat-server", "file not found");
530 GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
531 GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);
535 GNUNET_free (cfg_file_p1);
536 GNUNET_free (cfg_file_p2);
538 GNUNET_free (test_source);
539 GNUNET_free (test_plugin);
540 GNUNET_free (test_name);
545 /* end of test_transport_api_unreliability.c */