aboutsummaryrefslogtreecommitdiff
path: root/src/transport/test_quota_compliance.c
blob: 48a78f19d261eda929e43afdc7b838cf1453c5a9 (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
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
/*
     This file is part of GNUnet.
     (C) 2009, 2010, 2011 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_quota_compliance.c
 * @brief base test case for transport implementations
 *
 * This test case tests quota compliance both on core and transport level
 */
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_hello_lib.h"
#include "gnunet_getopt_lib.h"
#include "gnunet_os_lib.h"
#include "gnunet_program_lib.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_server_lib.h"
#include "gnunet_transport_service.h"
#include "transport.h"

#define VERBOSE GNUNET_NO

#define VERBOSE_ARM GNUNET_NO

#define START_ARM GNUNET_YES
#define DEBUG_MEASUREMENT GNUNET_NO
#define DEBUG_CONNECTIONS GNUNET_NO

#define MEASUREMENT_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
#define MEASUREMENT_MSG_SIZE 1024
#define MEASUREMENT_MSG_SIZE_BIG 32768
#define MEASUREMENT_MAX_QUOTA 1024 * 1024 * 1024
#define MEASUREMENT_MIN_QUOTA 1024
#define SEND_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
#define MEASUREMENT_SOFT_LIMIT 1024

/**
 * Testcase timeout
 */
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 200)



#define MTYPE 11111

struct PeerContext
{
  struct GNUNET_CONFIGURATION_Handle *cfg;
  struct GNUNET_TRANSPORT_Handle *th;
  struct GNUNET_PeerIdentity id;
#if START_ARM
  struct GNUNET_OS_Process *arm_proc;
#endif
};

/**
 * Handle for a transmission-ready request.
 */
struct GNUNET_TRANSPORT_TransmitHandle
{

  /**
   * Neighbour for this handle, NULL for control-traffic.
   */
  struct NeighbourList *neighbour;

  /**
   * Function to call when notify_size bytes are available
   * for transmission.
   */
  GNUNET_CONNECTION_TransmitReadyNotify notify;

  /**
   * Closure for notify.
   */
  void *notify_cls;

  /**
   * transmit_ready task Id.  The task is used to introduce the
   * artificial delay that may be required to maintain the bandwidth
   * limits.  Later, this will be the ID of the "transmit_timeout"
   * task which is used to signal a timeout if the transmission could
   * not be done in a timely fashion.
   */
  GNUNET_SCHEDULER_TaskIdentifier notify_delay_task;

  /**
   * Timeout for this request.
   */
  struct GNUNET_TIME_Absolute timeout;

  /**
   * How many bytes is our notify callback waiting for?
   */
  size_t notify_size;

  /**
   * How important is this message?
   */
  unsigned int priority;

};

static struct PeerContext p1;

static struct PeerContext p2;

static int ok;

static int connected;
static int measurement_running;
static int send_running;
static int recv_running;

static unsigned long long total_bytes_sent;
static unsigned long long last_msg_sent;
static unsigned long long last_msg_recv;
static unsigned long long current_quota_p1;
static unsigned long long current_quota_p2;

static int is_tcp;
static int is_tcp_nat;
static int is_http;
static int is_https;
static int is_udp;
static int is_unix;
static int is_asymmetric_send_constant;
static int is_asymmetric_recv_constant;

static struct GNUNET_TIME_Absolute start_time;

static GNUNET_SCHEDULER_TaskIdentifier die_task;
static GNUNET_SCHEDULER_TaskIdentifier tct;
static GNUNET_SCHEDULER_TaskIdentifier measurement_task;
static GNUNET_SCHEDULER_TaskIdentifier measurement_counter_task;

static struct GNUNET_TRANSPORT_TransmitHandle * transmit_handle;

#define OKPP do { ok++; } while (0)


static void
end ()
{
  GNUNET_SCHEDULER_cancel (die_task);
  die_task = GNUNET_SCHEDULER_NO_TASK;
  
  if (measurement_task != GNUNET_SCHEDULER_NO_TASK)
    {
      GNUNET_SCHEDULER_cancel (measurement_task);
      measurement_task = GNUNET_SCHEDULER_NO_TASK;
    }
  if (measurement_counter_task != GNUNET_SCHEDULER_NO_TASK)
    {
      GNUNET_SCHEDULER_cancel (measurement_counter_task);
      measurement_counter_task = GNUNET_SCHEDULER_NO_TASK;
    }
  fprintf(stderr,"\n");
  GNUNET_SCHEDULER_shutdown ();
#if DEBUG_CONNECTIONS
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
	      "Disconnecting from transports!\n");
#endif
  GNUNET_TRANSPORT_disconnect (p1.th);
  GNUNET_TRANSPORT_disconnect (p2.th);
#if DEBUG_CONNECTIONS
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
	      "Transports disconnected, returning success!\n");
#endif
  GNUNET_SCHEDULER_shutdown ();
}



static void
stop_arm (struct PeerContext *p)
{
#if START_ARM
  if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
  GNUNET_OS_process_wait (p->arm_proc);
  GNUNET_OS_process_close (p->arm_proc);
  p->arm_proc = NULL;
#endif
  GNUNET_CONFIGURATION_destroy (p->cfg);
}


static void
end_badly (void *cls,
	   const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  if (measurement_task != GNUNET_SCHEDULER_NO_TASK)
  {
    GNUNET_SCHEDULER_cancel (measurement_task);
    measurement_task = GNUNET_SCHEDULER_NO_TASK;
  }
  if (measurement_counter_task != GNUNET_SCHEDULER_NO_TASK)
    {
      GNUNET_SCHEDULER_cancel (measurement_counter_task);
      measurement_counter_task = GNUNET_SCHEDULER_NO_TASK;
    }
  GNUNET_break (0);
  if (GNUNET_SCHEDULER_NO_TASK != tct)
    {
      GNUNET_SCHEDULER_cancel (tct);
      tct = GNUNET_SCHEDULER_NO_TASK;
    }
  if (p1.th != NULL)
    GNUNET_TRANSPORT_disconnect (p1.th);
  if (p2.th != NULL)
    GNUNET_TRANSPORT_disconnect (p2.th);
  ok = 1;
}

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


static unsigned int
get_size ()
{
  return MEASUREMENT_MSG_SIZE + sizeof (struct TestMessage);
}

static void
notify_receive_new (void *cls,
                const struct GNUNET_PeerIdentity *peer,
                const struct GNUNET_MessageHeader *message,
                const struct GNUNET_TRANSPORT_ATS_Information *ats, uint32_t ats_count)
{
  const struct TestMessage *hdr;

  hdr = (const struct TestMessage*) message;
  if (measurement_running == GNUNET_NO)
	  return;
  if (MTYPE != ntohs (message->type))
    return;

#if DEBUG_MEASUREMENT
  if (ntohl(hdr->num) % 5000 == 0)
    {
      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                  "Got message %u of size %u\n",
                  ntohl (hdr->num),
                  ntohs (message->size));
    }
#endif
  /*
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Got message %u\n",
              ntohl (hdr->num));*/
  last_msg_recv = ntohl (hdr->num);
}


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

  transmit_handle = NULL;
  if (measurement_task == GNUNET_SCHEDULER_NO_TASK)
    return 0;

  if (buf == NULL)
    {
      ok = 42;
      return 0;
    }
  if (measurement_running != GNUNET_YES)
    {
      send_running = GNUNET_NO;
      return 0;
    }
  send_running = GNUNET_YES;
  ret = 0;
  s = get_size ();
  GNUNET_assert (size >= s);
  GNUNET_assert (buf != NULL);
  last_msg_sent++;
  cbuf = buf;
  do
    {
      hdr.header.size = htons (s);
      hdr.header.type = htons (MTYPE);
      hdr.num = htonl (last_msg_sent);
      memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
      ret += sizeof (struct TestMessage);
      memset (&cbuf[ret], last_msg_sent, s - sizeof (struct TestMessage));
      ret += s - sizeof (struct TestMessage);
#if DEBUG_MEASUREMENT
      if (n % 5000 == 0)
       {
          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                      "Sending message %u\n",n);
       }
#endif

    /*      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                      "Sending message %u\n",last_msg_sent);*/

      s = get_size ();
      if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
	break; /* sometimes pack buffer full, sometimes not */
    }
  while (size - ret >= s);
  transmit_handle = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
					    &p1.id,
					    s, 0, SEND_TIMEOUT,
					    &notify_ready,
					    NULL);
  total_bytes_sent += s;
  return ret;
}


static void
measure (unsigned long long quota_p1, unsigned long long quota_p2);

static void 
measurement_counter (void *cls,
		     const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  measurement_counter_task = GNUNET_SCHEDULER_NO_TASK;
  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
    return;
  
  fprintf(stderr,".");
  measurement_counter_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
							   &measurement_counter,
							   NULL);
}


static void
measurement_end (void *cls,
		 const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  static int strike_counter;
  static int failed_measurement_counter = 1;
  unsigned long long  quota_allowed = 0;
  int delta = 0;

  measurement_task  = GNUNET_SCHEDULER_NO_TASK;
  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
    return;

  measurement_running = GNUNET_NO;
  struct GNUNET_TIME_Relative duration
    = GNUNET_TIME_absolute_get_difference(start_time, GNUNET_TIME_absolute_get());


  if (measurement_counter_task != GNUNET_SCHEDULER_NO_TASK)
    {
      GNUNET_SCHEDULER_cancel (measurement_counter_task);
      measurement_counter_task = GNUNET_SCHEDULER_NO_TASK;
    }
  
  if (transmit_handle != NULL)
    {
      GNUNET_TRANSPORT_notify_transmit_ready_cancel(transmit_handle);
      transmit_handle = NULL;
    }
  
  if (current_quota_p1 < current_quota_p2)
    quota_allowed = current_quota_p1;
  else
    quota_allowed = current_quota_p2;
  
  
  if (MEASUREMENT_SOFT_LIMIT > (quota_allowed/3))
    delta = MEASUREMENT_SOFT_LIMIT;
  else
    delta = (quota_allowed/3);
  
  /* Throughput is far too slow. This is to prevent the test to exit with success when throughput is 0 */
  if ((total_bytes_sent/(duration.rel_value / 1000)) < 100)
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
		  "\nQuota compliance failed: \n"			\
		  "Hard quota limit allowed: %10llu kB/s (%llu B/s)\n"	\
		  "Soft quota limit allowed: %10llu kB/s (%llu B/s)\n"	\
		  "Throughput              : %10llu kB/s (%llu B/s)\n",
		  (quota_allowed / (1024)), quota_allowed,
		  ((quota_allowed+delta) / (1024)),  quota_allowed+delta,
		  (total_bytes_sent/(duration.rel_value / 1000)/1024),
		  total_bytes_sent/(duration.rel_value / 1000));
      ok = 1;
      failed_measurement_counter--;
      if (failed_measurement_counter < 0)
	{
	  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
		      "\nQuota measurement failed and no free strike: %i\n",
		      failed_measurement_counter);
	  end();
	  return;
	}
      else
	GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
		    "\nQuota measurement failed and %i free strikes\n",
		    failed_measurement_counter);
    }
  
  /* Throughput is bigger than allowed quota + some extra*/
  if ((total_bytes_sent/(duration.rel_value / 1000)) > (quota_allowed + delta))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
		  "\nQuota compliance failed: \n"			\
		  "Hard quota limit allowed: %10llu kB/s (%llu B/s)\n"	\
		  "Soft quota limit allowed: %10llu kB/s (%llu B/s)\n"	\
		  "Throughput              : %10llu kB/s (%llu B/s)\n", 
		  (quota_allowed / (1024)), quota_allowed, 
		  ((quota_allowed+delta) / (1024)),  quota_allowed+delta, 
		  (total_bytes_sent/(duration.rel_value / 1000)/1024), 
		  total_bytes_sent/(duration.rel_value / 1000));
      ok = 1;
      failed_measurement_counter--;
      if (failed_measurement_counter < 0)
	{
	  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
		      "\nQuota measurement failed and no free strike: %i\n",failed_measurement_counter);
	  end();
	  return;
	}
      else
	GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
		    "\nQuota measurement failed and %i free strikes\n",failed_measurement_counter);
    }
  else
    {
      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
		  "\nQuota compliance ok: \n"			\
		  "Quota allowed: %10llu kB/s\n"			\
		  "Throughput   : %10llu kB/s\n",
		  (quota_allowed / (1024)), 
		  (total_bytes_sent/(duration.rel_value / 1000)/1024));
      if (failed_measurement_counter < 2)
	failed_measurement_counter++;
      ok = 0;
    }
  
  if ((quota_allowed) > (2 *(total_bytes_sent/(duration.rel_value / 1000))))
    {
      if (failed_measurement_counter < 2)
	failed_measurement_counter++;
      if (strike_counter == 2)
	{
	  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
		      "Maximum transmission rate reached, stopping test\n");
	  end();
	  return;
	}
    }
  else
    {
      strike_counter = 0;
    }
  
  if (quota_allowed == MEASUREMENT_MAX_QUOTA)
    {
      end();
      return;
    }
  if (is_asymmetric_send_constant == GNUNET_YES)
    {
      if ((quota_allowed * 2) < MEASUREMENT_MAX_QUOTA)
	measure (current_quota_p1 * 2, MEASUREMENT_MAX_QUOTA);
      else
	measure (MEASUREMENT_MAX_QUOTA, MEASUREMENT_MAX_QUOTA);
    }
  else if (is_asymmetric_recv_constant == GNUNET_YES)
    {
      if ((quota_allowed * 2) < MEASUREMENT_MAX_QUOTA)
	measure (MEASUREMENT_MAX_QUOTA, current_quota_p2 * 2);
      else
	measure (MEASUREMENT_MAX_QUOTA, MEASUREMENT_MAX_QUOTA);
    }
  else
    {
      if ((quota_allowed * 2) < MEASUREMENT_MAX_QUOTA)
	measure ((current_quota_p1) * 2, (current_quota_p2) * 2);
      else
	measure (MEASUREMENT_MAX_QUOTA, MEASUREMENT_MAX_QUOTA);
    }
}

static void 
measure (unsigned long long quota_p1, unsigned long long quota_p2)
{
  current_quota_p1 = quota_p1;
  current_quota_p2 = quota_p2;
#if VERBOSE
  if ((is_asymmetric_send_constant == GNUNET_YES) || (is_asymmetric_recv_constant == GNUNET_YES))
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		"Starting transport level measurement for %u seconds, receiving peer quota %llu kB/s, sending peer quota %llu kB/s\n",
		MEASUREMENT_INTERVALL.rel_value / 1000 ,
		current_quota_p1 / 1024,
		current_quota_p2 / 1024);
  else
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		"Starting transport level measurement for %u seconds, symmetric quota %llu kB/s\n", 
		MEASUREMENT_INTERVALL.rel_value / 1000,
		current_quota_p2 / 1024);
  
#endif
  GNUNET_TRANSPORT_set_quota (p1.th,
			      &p2.id,
			      GNUNET_BANDWIDTH_value_init (current_quota_p1),
			      GNUNET_BANDWIDTH_value_init (current_quota_p1));
  GNUNET_TRANSPORT_set_quota (p2.th,
			      &p1.id,
			      GNUNET_BANDWIDTH_value_init (current_quota_p2),
			      GNUNET_BANDWIDTH_value_init (current_quota_p2));
  GNUNET_SCHEDULER_cancel (die_task);
  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
					   &end_badly,
					   NULL);
  if (measurement_counter_task != GNUNET_SCHEDULER_NO_TASK)
    GNUNET_SCHEDULER_cancel (measurement_counter_task);
  measurement_counter_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
							   &measurement_counter,
							   NULL);
  measurement_task = GNUNET_SCHEDULER_add_delayed (MEASUREMENT_INTERVALL,
						   &measurement_end,
						   NULL);
  total_bytes_sent = 0;
  last_msg_sent = 0;
  last_msg_recv = 0;
  measurement_running = GNUNET_YES;
  start_time = GNUNET_TIME_absolute_get ();
  
  if (transmit_handle != NULL)
    GNUNET_TRANSPORT_notify_transmit_ready_cancel(transmit_handle);
  transmit_handle = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
							    &p1.id,
							    get_size (), 0, SEND_TIMEOUT,
							    &notify_ready,
							    NULL);
}


static void
exchange_hello_last (void *cls,
                     const struct GNUNET_MessageHeader *message)
{
  struct PeerContext *me = cls;

  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Exchanging HELLO of size %d with peer (%s)!\n", 
	      (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
	      GNUNET_i2s (&me->id));
  GNUNET_assert (message != NULL);
  GNUNET_assert (GNUNET_OK ==
                 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
                                      message, &me->id));
  GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
}



static void
exchange_hello (void *cls,
                const struct GNUNET_MessageHeader *message)
{
  struct PeerContext *me = cls;

  GNUNET_assert (message != NULL);
  GNUNET_assert (GNUNET_OK ==
                 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
                                      message, &me->id));
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Exchanging HELLO of size %d from peer %s!\n", 
	      (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
	      GNUNET_i2s (&me->id));
  GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
}


static void
notify_connect (void *cls,
                const struct GNUNET_PeerIdentity *peer,
                const struct GNUNET_TRANSPORT_ATS_Information *ats, uint32_t ats_count)
{ 
  connected++;
 if (cls == &p1)
    {
#if DEBUG_CONNECTIONS
      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		  "Peer 1 `%4s' connected to us (%p)!\n", 
		  GNUNET_i2s (peer), 
		  cls);
#endif
    }
  else
    {
#if DEBUG_CONNECTIONS
      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		  "Peer 2 `%4s' connected to us (%p)!\n", 
		  GNUNET_i2s (peer), 
		  cls);
#endif
    }
  if (connected == 2)
    {
      GNUNET_SCHEDULER_cancel (tct);
      tct = GNUNET_SCHEDULER_NO_TASK;
      GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
      GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
      if (is_asymmetric_send_constant == GNUNET_YES)
	measure (MEASUREMENT_MIN_QUOTA, MEASUREMENT_MAX_QUOTA);
      else if (is_asymmetric_recv_constant == GNUNET_YES)
	measure (MEASUREMENT_MAX_QUOTA, MEASUREMENT_MIN_QUOTA);
      else
	measure (MEASUREMENT_MIN_QUOTA, MEASUREMENT_MIN_QUOTA);
    }
}


static void
notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
{
  connected--;
#if DEBUG_CONNECTIONS
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Peer `%4s' disconnected (%p)!\n",
	      GNUNET_i2s (peer), cls);
#endif
}


static void
setup_peer (struct PeerContext *p, const char *cfgname)
{
  p->cfg = GNUNET_CONFIGURATION_create ();
#if START_ARM
  p->arm_proc = GNUNET_OS_start_process (NULL, NULL,
					"gnunet-service-arm",
                                        "gnunet-service-arm",
#if VERBOSE_ARM
                                        "-L", "DEBUG",
#endif
                                        "-c", cfgname, NULL);
#endif

  GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
  p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL,
                                    p,
                                    &notify_receive_new,
                                    &notify_connect,
				    &notify_disconnect);
  GNUNET_assert (p->th != NULL);
}


static void
try_connect (void *cls,
	     const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
	      "Asking peers to connect...\n");
  GNUNET_TRANSPORT_try_connect (p2.th,
				&p1.id);
  GNUNET_TRANSPORT_try_connect (p1.th,
				&p2.id);
  tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
				      &try_connect,
				      NULL);
}


static void
run (void *cls,
     char *const *args,
     const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  GNUNET_assert (ok == 1);
  OKPP;

  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
					   &end_badly,
					   NULL);
  measurement_running = GNUNET_NO;
  send_running = GNUNET_NO;
  recv_running = GNUNET_NO;

  if (is_tcp)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		    "Testing asymmetric quota compliance (receiver quota constant) for TCP transport plugin\n");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (sender quota constant) for TCP transport plugin\n");
      else
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		    "Testing symmetric quota compliance for TCP transport plugin\n");
      setup_peer (&p1, "test_quota_compliance_tcp_peer1.conf");
      setup_peer (&p2, "test_quota_compliance_tcp_peer2.conf");
    }
  else if (is_http)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (receiver quota constant) for HTTP transport plugin\n");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (sender quota constant) for HTTP transport plugin\n");
      else
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing symmetric quota compliance for HTTP transport plugin\n");
      setup_peer (&p1, "test_quota_compliance_http_peer1.conf");
      setup_peer (&p2, "test_quota_compliance_http_peer2.conf");
    }
  else if (is_https)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (receiver quota constant) for HTTPS transport plugin\n");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (sender quota constant) for HTTPS transport plugin\n");
      else
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing symmetric quota compliance for HTTPS transport plugin\n");
      setup_peer (&p1, "test_quota_compliance_https_peer1.conf");
      setup_peer (&p2, "test_quota_compliance_https_peer2.conf");
    }
  else if (is_udp)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (receiver quota constant) for UDP transport plugin\n");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (sender quota constant) for UDP transport plugin\n");
      else
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing symmetric quota compliance for UDP transport plugin\n");
      setup_peer (&p1, "test_quota_compliance_udp_peer1.conf");
      setup_peer (&p2, "test_quota_compliance_udp_peer2.conf");
    }
  else if (is_unix)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (receiver quota constant) for UNIX transport plugin\n");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (sender quota constant) for UNIX transport plugin\n");
      else
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing symmetric quota compliance for UNIX transport plugin\n");
      setup_peer (&p1, "test_quota_compliance_unix_peer1.conf");
      setup_peer (&p2, "test_quota_compliance_unix_peer2.conf");
    }
  else if (is_tcp_nat)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
		    "Testing asymmetric quota compliance (receiver quota constant) for TCP NAT transport plugin\n");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing asymmetric quota compliance (sender quota constant) for TCP NAT transport plugin\n");
      else
	GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
		    "Testing symmetric quota compliance for TCP NAT transport plugin\n");
      setup_peer (&p1, "test_quota_compliance_tcp_peer1.conf");
      setup_peer (&p2, "test_quota_compliance_tcp_peer2.conf");
    }
  else
    GNUNET_assert (0);

  GNUNET_assert(p1.th != NULL);
  GNUNET_assert(p2.th != NULL);
  GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
  GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
  tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
}


int
main (int argc, char *argv[])
{
  int ret = 0;
#ifdef MINGW
  return GNUNET_SYSERR;
#endif
  if (strstr(argv[0], "tcp_nat") != NULL)
    {
      is_tcp_nat = GNUNET_YES;
    }
  else if (strstr(argv[0], "tcp") != NULL)
    {
      is_tcp = GNUNET_YES;
    }
  else if (strstr(argv[0], "https") != NULL)
    {
      is_https = GNUNET_YES;
    }
  else if (strstr(argv[0], "http") != NULL)
    {
      is_http = GNUNET_YES;
    }
  else if (strstr(argv[0], "udp") != NULL)
    {
      is_udp = GNUNET_YES;
    }
  else if (strstr(argv[0], "unix") != NULL)
    {
      is_unix = GNUNET_YES;
    }

  if (strstr(argv[0], "asymmetric_recv") != NULL)
  {
    is_asymmetric_recv_constant = GNUNET_YES;
  }
  else
    is_asymmetric_recv_constant = GNUNET_NO;
  if (strstr(argv[0], "asymmetric_send") != NULL)
    {
      is_asymmetric_send_constant = GNUNET_YES;
    }
  else
    is_asymmetric_send_constant = GNUNET_NO;
  
  char * logger;
  if (is_tcp == GNUNET_YES)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","tcp","asymmetric_recv_constant");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","tcp","asymmetric_send_constant");
      else
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","tcp","symmetric");
    }
  else if (is_udp == GNUNET_YES)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","udp","asymmetric_recv_constant");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","udp","asymmetric_send_constant");
      else
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","udp","symmetric");
    }
  else if (is_unix == GNUNET_YES)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","unix","asymmetric_recv_constant");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","unix","asymmetric_send_constant");
      else
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","unix","symmetric");
    }
  else if (is_http == GNUNET_YES)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","http","asymmetric_recv_constant");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","http","asymmetric_send_constant");
      else
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","http","symmetric");
    }
  else if (is_https == GNUNET_YES)
    {
      if (is_asymmetric_recv_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","https","asymmetric_recv_constant");
      else if (is_asymmetric_send_constant == GNUNET_YES)
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","https","asymmetric_send_constant");
      else
	GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","https","symmetric");
    }
  else
    {
      GNUNET_asprintf(&logger, "test-quota-compliance-%s-%s","noplugin","none");
    }

  GNUNET_DISK_directory_remove ("/tmp/test_quota_compliance_peer1");
  GNUNET_DISK_directory_remove ("/tmp/test_quota_compliance_peer2");

  fprintf(stderr,  "Running `%s'\n", logger);
  GNUNET_log_setup ("test-quota-compliance",
#if VERBOSE
                    "DEBUG",
#else
                    "WARNING",
#endif
                    NULL);
  char *const argv1[] = { "test-quota-compliance",
    "-c",
    "test_quota_compliance_data.conf",
#if VERBOSE
    "-L", "DEBUG",
#endif
    NULL
  };
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_OPTION_END
  };
  ok = 1;
  GNUNET_PROGRAM_run ((sizeof (argv1) / sizeof (char *)) - 1,
                      argv1, logger , "nohelp",
                      options, &run, &ok);
  ret = ok;
  stop_arm (&p1);
  stop_arm (&p2);
  GNUNET_free(logger);
  GNUNET_DISK_directory_remove ("/tmp/test_quota_compliance_peer1");
  GNUNET_DISK_directory_remove ("/tmp/test_quota_compliance_peer2");
  return ret;
}

/* end of test_quota_compliance.c */