aboutsummaryrefslogtreecommitdiff
path: root/src/transport/test_transport_api_unreliability_constant.c
blob: 2ff1e4b0c1f08268d4f7e94791ff1b948aff14ce (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
/*
     This file is part of GNUnet.
     (C) 2009, 2010 Christian Grothoff (and other contributing authors)

     GNUnet is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; either version 3, or (at your
     option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
*/
/**
 * @file transport/test_transport_api_unreliability_constant.c
 * @brief test case for transports; ensures messages get
 *        through, regardless of order, constant packet size
 *
 * This test case serves as a base for unreliable
 * transport test cases to check that the transports
 * achieve reliable message delivery.
 */
#include "platform.h"
#include "gnunet_transport_service.h"
#include "gauger.h"
#include "transport-testing.h"

/**
 * Testcase timeout
 */
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 900)

/**
 * How long until we give up on transmitting the message?
 */
#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)

static char *test_source;

static char *test_plugin;

static char *test_name;

static int ok;

static GNUNET_SCHEDULER_TaskIdentifier die_task;

struct PeerContext *p1;

struct PeerContext *p2;

struct GNUNET_TRANSPORT_TransmitHandle *th;

struct GNUNET_TRANSPORT_TESTING_handle *tth;

char *cfg_file_p1;

char *cfg_file_p2;

uint32_t max_bps_p1;
uint32_t max_bps_p2;

static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;

/*
 * Testcase specific declarations
 */

/**
 * Note that this value must not significantly exceed
 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
 * messages may be dropped even for a reliable transport.
 */
#define TOTAL_MSGS (1024 * 3)

#define MTYPE 12345

#define MSG_SIZE 10000

GNUNET_NETWORK_STRUCT_BEGIN

struct TestMessage
{
  struct GNUNET_MessageHeader header;
  uint32_t num;
};
GNUNET_NETWORK_STRUCT_END

static char *test_name;

static int msg_scheduled;
static int msg_sent;
static int msg_recv_expected;
static int msg_recv;

static int test_failed;

static unsigned long long total_bytes;

static struct GNUNET_TIME_Absolute start_time;

/*
 * END Testcase specific declarations
 */

#if VERBOSE
#define OKPP do { ok++; FPRINTF (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
#else
#define OKPP do { ok++; } while (0)
#endif

int
get_bit (const char *map, unsigned int bit);

static void
end ()
{
  unsigned long long delta;
  char *value_name;

  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");

  delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us / (1000 * 1000);
  FPRINTF (stderr, "\nThroughput was %llu kb/s total_bytes\n",
           (total_bytes / 1024) / delta);
  GNUNET_asprintf (&value_name, "unreliable_%s", test_plugin);
  GAUGER ("TRANSPORT", value_name, (int) (total_bytes / 1024 / delta),
          "kb/s");
  GNUNET_free (value_name);

  if (die_task != GNUNET_SCHEDULER_NO_TASK)
    GNUNET_SCHEDULER_cancel (die_task);

  if (th != NULL)
    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
  th = NULL;

  if (cc != NULL)
    GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
  cc = NULL;

  GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
  GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);

  GNUNET_TRANSPORT_TESTING_done (tth);

  ok = 0;
  if (test_failed == GNUNET_NO)
    ok = GNUNET_SYSERR;
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "GOT %u of %u messages\n", msg_recv,
              TOTAL_MSGS);
}

static void
end_badly ()
{
  die_task = GNUNET_SCHEDULER_NO_TASK;
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");

  if (test_failed == GNUNET_NO)
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Testcase timeout\n");
  else
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
                msg_sent, msg_scheduled, msg_recv, msg_recv_expected);

  if (th != NULL)
    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
  th = NULL;

  if (cc != NULL)
    GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
  cc = NULL;

  if (p1 != NULL)
    GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
  if (p2 != NULL)
    GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);

  GNUNET_TRANSPORT_TESTING_done (tth);

  ok = GNUNET_SYSERR;
}


static unsigned int
get_size (unsigned int iter)
{
/*
  unsigned int ret;
  ret = (iter * iter * iter);
  return sizeof (struct TestMessage) + (ret % 60000);
  */
  return MSG_SIZE;
}




static void
notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
                const struct GNUNET_MessageHeader *message)
{
  static int n;

  unsigned int s;
  char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
  const struct TestMessage *hdr;

  hdr = (const struct TestMessage *) message;

  if (MTYPE != ntohs (message->type))
    return;
  msg_recv_expected = n;
  msg_recv = ntohl (hdr->num);
  if (msg_recv_expected != msg_recv)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Expected message no %u, got %u\n",
                msg_recv_expected, msg_recv);
    if (GNUNET_SCHEDULER_NO_TASK != die_task)
      GNUNET_SCHEDULER_cancel (die_task);
    test_failed = GNUNET_YES;
    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
    return;
  }

  s = get_size (ntohl (hdr->num));
  if (ntohs (message->size) != s)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Expected message %u of size %u, got %u bytes of message %u\n",
                ntohl (hdr->num), s, ntohs (message->size), ntohl (hdr->num));
    if (GNUNET_SCHEDULER_NO_TASK != die_task)
      GNUNET_SCHEDULER_cancel (die_task);
    test_failed = GNUNET_YES;
    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
    return;
  }

  memset (cbuf, ntohl (hdr->num), s - sizeof (struct TestMessage));
  if (0 != memcmp (cbuf, &hdr[1], s - sizeof (struct TestMessage)))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Expected message %u with bits %u, but body did not match\n",
                ntohl (hdr->num), (unsigned char) n);
    if (GNUNET_SCHEDULER_NO_TASK != die_task)
      GNUNET_SCHEDULER_cancel (die_task);
    test_failed = GNUNET_YES;
    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
    return;
  }
#if VERBOSE
  if (ntohl (hdr->num) % 5 == 0)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n",
                ntohl (hdr->num), ntohs (message->size));
  }
#endif
  n++;
  if (0 == (n % (TOTAL_MSGS / 100)))
  {
    FPRINTF (stderr, "%s",  ".");
    if (GNUNET_SCHEDULER_NO_TASK != die_task)
      GNUNET_SCHEDULER_cancel (die_task);
    test_failed = GNUNET_YES;
    die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
  }
  if (n == TOTAL_MSGS)
  {
    /* because of starting with 0 */
    msg_recv++;
    FPRINTF (stderr, "%s",  "\n");
    end ();
  }
}


static size_t
notify_ready (void *cls, size_t size, void *buf)
{
  static int n;
  char *cbuf = buf;
  struct TestMessage hdr;
  unsigned int s;
  unsigned int ret;

  th = NULL;

  if (buf == NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Timeout occurred while waiting for transmit_ready\n");
    if (GNUNET_SCHEDULER_NO_TASK != die_task)
      GNUNET_SCHEDULER_cancel (die_task);
    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
    ok = 42;
    return 0;
  }
  ret = 0;
  s = get_size (n);
  GNUNET_assert (size >= s);
  GNUNET_assert (buf != NULL);
  cbuf = buf;
  do
  {
    hdr.header.size = htons (s);
    hdr.header.type = htons (MTYPE);
    hdr.num = htonl (n);
    msg_sent = n;
    memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
    ret += sizeof (struct TestMessage);
    memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
    ret += s - sizeof (struct TestMessage);
#if VERBOSE
    if (n % 1 == 0)
    {
      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending message %u of size %u\n", n,
                  s);
    }

#endif
    n++;
    s = get_size (n);
    if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
      break;                    /* sometimes pack buffer full, sometimes not */
  }
  while (size - ret >= s);
  if (n < TOTAL_MSGS)
  {
    th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, s,
                                                 TIMEOUT_TRANSMIT,
                                                 &notify_ready, NULL);
    msg_scheduled = n;
  }
  else
  {
    FPRINTF (stderr, "%s",  "\n");
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "All messages scheduled to be sent!!\n");
    if (GNUNET_SCHEDULER_NO_TASK != die_task)
      GNUNET_SCHEDULER_cancel (die_task);
    die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
  }
  if (n % 5000 == 0)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Returning total message block of size %u\n", ret);
  }
  total_bytes += ret;
  return ret;
}


static void
notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer)
{

  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peer `%4s' connected to us (%p)!\n",
              GNUNET_i2s (peer), cls);
}


static void
notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
{
  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peer `%4s' disconnected (%p)!\n",
              GNUNET_i2s (peer), cls);
  if (th != NULL)
    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
  th = NULL;
}

static void
sendtask ()
{
  start_time = GNUNET_TIME_absolute_get ();
  th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, get_size (0),
                                               TIMEOUT_TRANSMIT, &notify_ready,
                                               NULL);
}

static void
testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
{
  char *p1_c = GNUNET_strdup (GNUNET_i2s (&p1->id));

  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peers connected: %s <-> %s\n", p1_c,
              GNUNET_i2s (&p2->id));
  GNUNET_free (p1_c);

  cc = NULL;

  GNUNET_SCHEDULER_add_now (&sendtask, NULL);
}

void
start_cb (struct PeerContext *p, void *cls)
{
  static int started;

  started++;

  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peer %u (`%s') started\n", p->no,
              GNUNET_i2s (&p->id));

  if (started != 2)
    return;

  cc = GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
                                               NULL);
}

static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);

  p1 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p1, 1,
                                            &notify_receive, &notify_connect,
                                            &notify_disconnect, &start_cb,
                                            NULL);
  p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
                                            &notify_receive, &notify_connect,
                                            &notify_disconnect, &start_cb,
                                            NULL);

  if ((p1 == NULL) || (p2 == NULL))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
    if (die_task != GNUNET_SCHEDULER_NO_TASK)
      GNUNET_SCHEDULER_cancel (die_task);
    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
    return;
  }
}

static int
check ()
{
  static char *const argv[] = { "test-transport-api-unreliability-constant",
    "-c",
    "test_transport_api_data.conf",
    NULL
  };
  static struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_OPTION_END
  };

  ok = GNUNET_SYSERR;

  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
                      "nohelp", options, &run, &ok);

  return ok;
}

int
main (int argc, char *argv[])
{
  int ret;

  GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);

  GNUNET_log_setup (test_name,
                    "WARNING",
                    NULL);

  GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
  GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
                                                 &test_plugin);

  tth = GNUNET_TRANSPORT_TESTING_init ();

  GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
  GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);

  ret = check ();

  GNUNET_free (cfg_file_p1);
  GNUNET_free (cfg_file_p2);

  GNUNET_free (test_source);
  GNUNET_free (test_plugin);
  GNUNET_free (test_name);

  return ret;
}

/* end of test_transport_api_unreliability_constant.c */