src/core/test_core_quota_compliance.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2009, 2010, 2015, 2016 GNUnet e.V.
   4
   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.
   9
  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.
  14
  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., 51 Franklin Street, Fifth Floor,
  18      Boston, MA 02110-1301, USA.
  19 */
  20 /**
  21  * @file core/test_core_quota_compliance.c
  22  * @brief testcase for core_api.c focusing quota compliance on core level
  23  * @author Christian Grothoff
  24  */
  25 #include "platform.h"
  26 #include "gnunet_arm_service.h"
  27 #include "gnunet_core_service.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_ats_service.h"
  30 #include "gnunet_transport_service.h"
  31 #include "gnunet_transport_hello_service.h"
  32 #include "gnunet_statistics_service.h"
  33
  34
  35 #define SYMMETRIC 0
  36 #define ASYMMETRIC_SEND_LIMITED 1
  37 #define ASYMMETRIC_RECV_LIMITED 2
  38
  39 /**
  40  * Note that this value must not significantly exceed
  41  * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
  42  * messages may be dropped even for a reliable transport.
  43  */
  44 #define TOTAL_MSGS (60000 * 10)
  45
  46 /**
  47  * How long until we give up on transmitting the message?
  48  */
  49 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
  50
  51 /**
  52  * What delay do we request from the core service for transmission?
  53  */
  54 #define FAST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 150)
  55
  56 #define MTYPE 12345
  57 #define MESSAGESIZE 1024
  58 #define MEASUREMENT_LENGTH GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
  59
  60 static unsigned long long total_bytes_sent;
  61 static unsigned long long total_bytes_recv;
  62
  63 static struct GNUNET_TIME_Absolute start_time;
  64
  65 static struct GNUNET_SCHEDULER_Task *err_task;
  66
  67 static struct GNUNET_SCHEDULER_Task *measure_task;
  68
  69
  70 struct PeerContext
  71 {
  72   struct GNUNET_CONFIGURATION_Handle *cfg;
  73   struct GNUNET_CORE_Handle *ch;
  74   struct GNUNET_CORE_TransmitHandle *nth;
  75   struct GNUNET_TRANSPORT_OfferHelloHandle *oh;
  76   struct GNUNET_PeerIdentity id;
  77   struct GNUNET_MessageHeader *hello;
  78   struct GNUNET_STATISTICS_Handle *stats;
  79   struct GNUNET_TRANSPORT_HelloGetHandle *ghh;
  80   struct GNUNET_ATS_ConnectivityHandle *ats;
  81   struct GNUNET_ATS_ConnectivitySuggestHandle *ats_sh;
  82   int connect_status;
  83   struct GNUNET_OS_Process *arm_proc;
  84 };
  85
  86 static struct PeerContext p1;
  87 static struct PeerContext p2;
  88
  89 static unsigned long long current_quota_p1_in;
  90 static unsigned long long current_quota_p1_out;
  91 static unsigned long long current_quota_p2_in;
  92 static unsigned long long current_quota_p2_out;
  93
  94 static int ok;
  95 static int test;
  96 static int32_t tr_n;
  97
  98 static int running;
  99
 100
 101 #if VERBOSE
 102 #define OKPP do { ok++; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
 103 #else
 104 #define OKPP do { ok++; } while (0)
 105 #endif
 106
 107 struct TestMessage
 108 {
 109   struct GNUNET_MessageHeader header;
 110   uint32_t num;
 111 };
 112
 113
 114 static void
 115 terminate_peer (struct PeerContext *p)
 116 {
 117   if (NULL != p->nth)
 118   {
 119     GNUNET_CORE_notify_transmit_ready_cancel (p->nth);
 120     p->nth = NULL;
 121   }
 122   if (NULL != p->ch)
 123   {
 124     GNUNET_CORE_disconnect (p->ch);
 125     p->ch = NULL;
 126   }
 127   if (NULL != p->ghh)
 128   {
 129     GNUNET_TRANSPORT_hello_get_cancel (p->ghh);
 130     p->ghh = NULL;
 131   }
 132   if (NULL != p->oh)
 133   {
 134     GNUNET_TRANSPORT_offer_hello_cancel (p->oh);
 135     p->oh = NULL;
 136   }
 137   if (NULL != p->ats_sh)
 138   {
 139     GNUNET_ATS_connectivity_suggest_cancel (p->ats_sh);
 140     p->ats_sh = NULL;
 141   }
 142   if (NULL != p->ats)
 143   {
 144     GNUNET_ATS_connectivity_done (p->ats);
 145     p->ats = NULL;
 146   }
 147   if (NULL != p->stats)
 148   {
 149     GNUNET_STATISTICS_destroy (p->stats, GNUNET_NO);
 150     p->stats = NULL;
 151   }
 152   if (NULL != p->hello)
 153   {
 154     GNUNET_free (p->hello);
 155     p->hello = NULL;
 156   }
 157 }
 158
 159
 160 static void
 161 shutdown_task (void *cls)
 162 {
 163   if (NULL != err_task)
 164   {
 165     GNUNET_SCHEDULER_cancel (err_task);
 166     err_task = NULL;
 167   }
 168   if (NULL != measure_task)
 169   {
 170     GNUNET_SCHEDULER_cancel (measure_task);
 171     measure_task = NULL;
 172   }
 173   terminate_peer (&p1);
 174   terminate_peer (&p2);
 175 }
 176
 177
 178 static void
 179 terminate_task_error (void *cls)
 180 {
 181   err_task = NULL;
 182   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 183               "Testcase failed (timeout)!\n");
 184   GNUNET_SCHEDULER_shutdown ();
 185   ok = 42;
 186 }
 187
 188
 189 /**
 190  * Callback function to process statistic values.
 191  *
 192  * @param cls closure
 193  * @param subsystem name of subsystem that created the statistic
 194  * @param name the name of the datum
 195  * @param value the current value
 196  * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
 197  * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
 198  */
 199 static int
 200 print_stat (void *cls,
 201             const char *subsystem,
 202             const char *name,
 203             uint64_t value,
 204             int is_persistent)
 205 {
 206   if (cls == &p1)
 207     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 208                 "Peer1 %50s = %12llu\n",
 209                 name,
 210                 (unsigned long long) value);
 211   if (cls == &p2)
 212     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 213                 "Peer2 %50s = %12llu\n",
 214                 name,
 215                 (unsigned long long) value);
 216   return GNUNET_OK;
 217 }
 218
 219
 220 static void
 221 measurement_stop (void *cls)
 222 {
 223   unsigned long long delta;
 224   unsigned long long throughput_out;
 225   unsigned long long throughput_in;
 226   unsigned long long max_quota_in;
 227   unsigned long long max_quota_out;
 228   unsigned long long quota_delta;
 229   enum GNUNET_ErrorType kind = GNUNET_ERROR_TYPE_DEBUG;
 230
 231   measure_task = NULL;
 232   FPRINTF (stdout, "%s",  "\n");
 233   running = GNUNET_NO;
 234
 235   delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us;
 236
 237   throughput_out = total_bytes_sent * 1000000LL / delta;     /* convert to bytes/s */
 238   throughput_in = total_bytes_recv * 1000000LL / delta;      /* convert to bytes/s */
 239
 240   max_quota_in = GNUNET_MIN (current_quota_p1_in, current_quota_p2_in);
 241   max_quota_out = GNUNET_MIN (current_quota_p1_out, current_quota_p2_out);
 242   if (max_quota_out < max_quota_in)
 243     quota_delta = max_quota_in / 3;
 244   else
 245     quota_delta = max_quota_out / 3;
 246
 247   if ((throughput_out > (max_quota_out + quota_delta)) ||
 248       (throughput_in > (max_quota_in + quota_delta)))
 249     ok = 1; /* fail */
 250   else
 251     ok = 0; /* pass */
 252   GNUNET_STATISTICS_get (p1.stats,
 253                          "core",
 254                          "# discarded CORE_SEND requests",
 255                          NULL,
 256                          &print_stat,
 257                          &p1);
 258   GNUNET_STATISTICS_get (p1.stats,
 259                          "core",
 260                          "# discarded CORE_SEND request bytes",
 261                          NULL,
 262                          &print_stat,
 263                          &p1);
 264   GNUNET_STATISTICS_get (p1.stats,
 265                          "core",
 266                          "# discarded lower priority CORE_SEND requests",
 267                          NULL,
 268                          &print_stat,
 269                          NULL);
 270   GNUNET_STATISTICS_get (p1.stats,
 271                          "core",
 272                          "# discarded lower priority CORE_SEND request bytes",
 273                          NULL,
 274                          &print_stat,
 275                          &p1);
 276   GNUNET_STATISTICS_get (p2.stats,
 277                          "core",
 278                          "# discarded CORE_SEND requests",
 279                          NULL,
 280                          &print_stat,
 281                          &p2);
 282
 283   GNUNET_STATISTICS_get (p2.stats,
 284                          "core",
 285                          "# discarded CORE_SEND request bytes",
 286                          NULL,
 287                          &print_stat,
 288                          &p2);
 289   GNUNET_STATISTICS_get (p2.stats,
 290                          "core",
 291                          "# discarded lower priority CORE_SEND requests",
 292                          NULL,
 293                          &print_stat,
 294                          &p2);
 295   GNUNET_STATISTICS_get (p2.stats,
 296                          "core",
 297                          "# discarded lower priority CORE_SEND request bytes",
 298                          NULL,
 299                          &print_stat,
 300                          &p2);
 301
 302   if (ok != 0)
 303     kind = GNUNET_ERROR_TYPE_ERROR;
 304   switch (test)
 305   {
 306   case SYMMETRIC:
 307     GNUNET_log (kind,
 308                 "Core quota compliance test with symmetric quotas: %s\n",
 309                 (0 == ok) ? "PASSED" : "FAILED");
 310     break;
 311   case ASYMMETRIC_SEND_LIMITED:
 312     GNUNET_log (kind,
 313                 "Core quota compliance test with limited sender quota: %s\n",
 314                 (0 == ok) ? "PASSED" : "FAILED");
 315     break;
 316   case ASYMMETRIC_RECV_LIMITED:
 317     GNUNET_log (kind,
 318                 "Core quota compliance test with limited receiver quota: %s\n",
 319                 (0 == ok) ? "PASSED" : "FAILED");
 320     break;
 321   };
 322   GNUNET_log (kind,
 323               "Peer 1 send  rate: %llu b/s (%llu bytes in %llu ms)\n",
 324               throughput_out,
 325               total_bytes_sent,
 326               delta);
 327   GNUNET_log (kind,
 328               "Peer 1 send quota: %llu b/s\n",
 329               current_quota_p1_out);
 330   GNUNET_log (kind,
 331               "Peer 2 receive  rate: %llu b/s (%llu bytes in %llu ms)\n",
 332               throughput_in,
 333               total_bytes_recv,
 334               delta);
 335   GNUNET_log (kind,
 336               "Peer 2 receive quota: %llu b/s\n",
 337               current_quota_p2_in);
 338 /*
 339   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Max. inbound  quota allowed: %llu b/s\n",max_quota_in );
 340   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Max. outbound quota allowed: %llu b/s\n",max_quota_out);
 341 */
 342   GNUNET_SCHEDULER_shutdown ();
 343 }
 344
 345
 346 static size_t
 347 transmit_ready (void *cls,
 348                 size_t size,
 349                 void *buf)
 350 {
 351   char *cbuf = buf;
 352   struct TestMessage hdr;
 353   unsigned int ret;
 354
 355   p1.nth = NULL;
 356   GNUNET_assert (size <= GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE);
 357   if (NULL == buf)
 358   {
 359     if ( (NULL != p1.ch) &&
 360          (1 == p1.connect_status) )
 361       GNUNET_break (NULL !=
 362                     (p1.nth =
 363                      GNUNET_CORE_notify_transmit_ready (p1.ch,
 364                                                         GNUNET_NO,
 365                                                         GNUNET_CORE_PRIO_BEST_EFFORT,
 366                                                         FAST_TIMEOUT,
 367                                                         &p2.id,
 368                                                         MESSAGESIZE,
 369                                                         &transmit_ready,
 370                                                         &p1)));
 371     return 0;
 372   }
 373   GNUNET_assert (tr_n < TOTAL_MSGS);
 374   ret = 0;
 375   GNUNET_assert (size >= MESSAGESIZE);
 376   GNUNET_assert (NULL != buf);
 377   cbuf = buf;
 378   do
 379   {
 380     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 381                 "Sending message %u of size %u at offset %u\n",
 382                 tr_n,
 383                 MESSAGESIZE,
 384                 ret);
 385     hdr.header.size = htons (MESSAGESIZE);
 386     hdr.header.type = htons (MTYPE);
 387     hdr.num = htonl (tr_n);
 388     GNUNET_memcpy (&cbuf[ret],
 389                    &hdr,
 390                    sizeof (struct TestMessage));
 391     ret += sizeof (struct TestMessage);
 392     memset (&cbuf[ret],
 393             tr_n,
 394             MESSAGESIZE - sizeof (struct TestMessage));
 395     ret += MESSAGESIZE - sizeof (struct TestMessage);
 396     tr_n++;
 397     if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
 398                                        16))
 399       break;                    /* sometimes pack buffer full, sometimes not */
 400   }
 401   while (size - ret >= MESSAGESIZE);
 402   GNUNET_SCHEDULER_cancel (err_task);
 403   err_task =
 404       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 405                                     &terminate_task_error,
 406                                     NULL);
 407
 408   total_bytes_sent += ret;
 409   return ret;
 410 }
 411
 412
 413 static void
 414 connect_notify (void *cls,
 415                 const struct GNUNET_PeerIdentity *peer)
 416 {
 417   struct PeerContext *pc = cls;
 418
 419   if (0 == memcmp (&pc->id,
 420                    peer,
 421                    sizeof (struct GNUNET_PeerIdentity)))
 422     return;                     /* loopback */
 423   GNUNET_assert (0 == pc->connect_status);
 424   pc->connect_status = 1;
 425   if (pc == &p1)
 426   {
 427     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 428                 "Encrypted connection established to peer `%s'\n",
 429                 GNUNET_i2s (peer));
 430     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 431                 "Asking core (1) for transmission to peer `%s'\n",
 432                 GNUNET_i2s (&p2.id));
 433     GNUNET_SCHEDULER_cancel (err_task);
 434     err_task =
 435         GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 436                                       &terminate_task_error,
 437                                       NULL);
 438     start_time = GNUNET_TIME_absolute_get ();
 439     running = GNUNET_YES;
 440     measure_task =
 441         GNUNET_SCHEDULER_add_delayed (MEASUREMENT_LENGTH,
 442                                       &measurement_stop,
 443                                       NULL);
 444
 445     GNUNET_break (NULL !=
 446                   (p1.nth =
 447                    GNUNET_CORE_notify_transmit_ready (p1.ch,
 448                                                       GNUNET_NO,
 449                                                       GNUNET_CORE_PRIO_BEST_EFFORT,
 450                                                       TIMEOUT,
 451                                                       &p2.id,
 452                                                       MESSAGESIZE,
 453                                                       &transmit_ready,
 454                                                       &p1)));
 455   }
 456 }
 457
 458
 459 static void
 460 disconnect_notify (void *cls,
 461                    const struct GNUNET_PeerIdentity *peer)
 462 {
 463   struct PeerContext *pc = cls;
 464
 465   if (0 == memcmp (&pc->id,
 466                    peer,
 467                    sizeof (struct GNUNET_PeerIdentity)))
 468     return;                     /* loopback */
 469   pc->connect_status = 0;
 470   if (NULL != measure_task)
 471   {
 472     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 473                 "Measurement aborted due to disconnect!\n");
 474     GNUNET_SCHEDULER_cancel (measure_task);
 475     measure_task = NULL;
 476   }
 477   if (NULL != pc->nth)
 478   {
 479     GNUNET_CORE_notify_transmit_ready_cancel (pc->nth);
 480     pc->nth = NULL;
 481   }
 482   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 483               "Encrypted connection to `%s' cut\n",
 484               GNUNET_i2s (peer));
 485 }
 486
 487
 488 static int
 489 inbound_notify (void *cls,
 490                 const struct GNUNET_PeerIdentity *other,
 491                 const struct GNUNET_MessageHeader *message)
 492 {
 493   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 494               "Core provides inbound data from `%s' %u.\n",
 495               GNUNET_i2s (other),
 496               (unsigned int) ntohs (message->size));
 497   total_bytes_recv += ntohs (message->size);
 498   return GNUNET_OK;
 499 }
 500
 501
 502 static int
 503 outbound_notify (void *cls,
 504                  const struct GNUNET_PeerIdentity *other,
 505                  const struct GNUNET_MessageHeader *message)
 506 {
 507   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 508               "Core notifies about outbound data for `%s'.\n",
 509               GNUNET_i2s (other));
 510   return GNUNET_OK;
 511 }
 512
 513
 514 static size_t
 515 transmit_ready (void *cls, size_t size, void *buf);
 516
 517
 518 static int
 519 process_mtype (void *cls,
 520                const struct GNUNET_PeerIdentity *peer,
 521                const struct GNUNET_MessageHeader *message)
 522 {
 523   static int n;
 524   const struct TestMessage *hdr;
 525
 526   hdr = (const struct TestMessage *) message;
 527   if (MTYPE != ntohs (message->type))
 528     return GNUNET_SYSERR;
 529   if (ntohs (message->size) != MESSAGESIZE)
 530   {
 531     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 532                 "Expected message %u of size %u, got %u bytes of message %u\n",
 533                 n,
 534                 MESSAGESIZE,
 535                 ntohs (message->size),
 536                 ntohl (hdr->num));
 537     GNUNET_SCHEDULER_cancel (err_task);
 538     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 539                                          NULL);
 540     return GNUNET_SYSERR;
 541   }
 542   if (ntohl (hdr->num) != n)
 543   {
 544     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 545                 "Expected message %u of size %u, got %u bytes of message %u\n",
 546                 n,
 547                 MESSAGESIZE,
 548                 ntohs (message->size),
 549                 ntohl (hdr->num));
 550     GNUNET_SCHEDULER_cancel (err_task);
 551     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 552                                          NULL);
 553     return GNUNET_SYSERR;
 554   }
 555   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 556               "Got message %u of size %u\n",
 557               ntohl (hdr->num),
 558               ntohs (message->size));
 559   n++;
 560   if (0 == (n % 10))
 561     FPRINTF (stderr, "%s",  ".");
 562
 563   if (GNUNET_YES == running)
 564     GNUNET_break (NULL !=
 565                   (p1.nth = GNUNET_CORE_notify_transmit_ready (p1.ch,
 566                                                                GNUNET_NO,
 567                                                                GNUNET_CORE_PRIO_BEST_EFFORT,
 568                                                                FAST_TIMEOUT,
 569                                                                &p2.id,
 570                                                                MESSAGESIZE,
 571                                                                &transmit_ready,
 572                                                                &p1)));
 573   return GNUNET_OK;
 574 }
 575
 576
 577 static struct GNUNET_CORE_MessageHandler handlers[] = {
 578   {&process_mtype, MTYPE, 0},
 579   {NULL, 0, 0}
 580 };
 581
 582
 583
 584 static void
 585 init_notify (void *cls,
 586              const struct GNUNET_PeerIdentity *my_identity)
 587 {
 588   struct PeerContext *p = cls;
 589
 590   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 591               "Connection to CORE service of `%4s' established\n",
 592               GNUNET_i2s (my_identity));
 593   GNUNET_assert (NULL != my_identity);
 594   p->id = *my_identity;
 595   if (cls == &p1)
 596   {
 597     GNUNET_assert (ok == 2);
 598     OKPP;
 599     /* connect p2 */
 600     p2.ch =
 601         GNUNET_CORE_connect (p2.cfg,
 602                              &p2,
 603                              &init_notify,
 604                              &connect_notify,
 605                              &disconnect_notify,
 606                              &inbound_notify,
 607                              GNUNET_YES,
 608                              &outbound_notify,
 609                              GNUNET_YES,
 610                              handlers);
 611   }
 612   else
 613   {
 614     GNUNET_assert (ok == 3);
 615     OKPP;
 616     GNUNET_assert (cls == &p2);
 617     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 618                 "Asking core (1) to connect to peer `%s' and vice-versa\n",
 619                 GNUNET_i2s (&p2.id));
 620     p1.ats_sh = GNUNET_ATS_connectivity_suggest (p1.ats,
 621                                                  &p2.id,
 622                                                  1);
 623     p2.ats_sh = GNUNET_ATS_connectivity_suggest (p2.ats,
 624                                                  &p1.id,
 625                                                  1);
 626   }
 627 }
 628
 629
 630 static void
 631 offer_hello_done (void *cls)
 632 {
 633   struct PeerContext *p = cls;
 634
 635   p->oh = NULL;
 636 }
 637
 638
 639 static void
 640 process_hello (void *cls,
 641                const struct GNUNET_MessageHeader *message)
 642 {
 643   struct PeerContext *p = cls;
 644
 645   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 646               "Received (my) HELLO from transport service\n");
 647   GNUNET_assert (message != NULL);
 648   p->hello = GNUNET_malloc (ntohs (message->size));
 649   GNUNET_memcpy (p->hello, message, ntohs (message->size));
 650   if ((p == &p1) && (NULL == p2.oh))
 651     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 652                                           message,
 653                                           &offer_hello_done,
 654                                           &p2);
 655   if ((p == &p2) && (NULL == p1.oh))
 656     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg, message,
 657                                           &offer_hello_done,
 658                                           &p1);
 659
 660   if ((p == &p1) && (p2.hello != NULL) && (NULL == p1.oh))
 661     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 662                                           p2.hello,
 663                                           &offer_hello_done,
 664                                           &p1);
 665   if ((p == &p2) && (p1.hello != NULL) && (NULL == p2.oh) )
 666     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 667                                           p1.hello,
 668                                           &offer_hello_done,
 669                                           &p2);
 670 }
 671
 672
 673 static void
 674 setup_peer (struct PeerContext *p,
 675             const char *cfgname)
 676 {
 677   char *binary;
 678
 679   binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm");
 680   p->cfg = GNUNET_CONFIGURATION_create ();
 681   p->arm_proc =
 682     GNUNET_OS_start_process (GNUNET_YES,
 683                              GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
 684                              NULL, NULL, NULL,
 685                              binary,
 686                              "gnunet-service-arm",
 687                              "-c",
 688                              cfgname,
 689                              NULL);
 690   GNUNET_assert (GNUNET_OK ==
 691                  GNUNET_CONFIGURATION_load (p->cfg,
 692                                             cfgname));
 693   p->stats = GNUNET_STATISTICS_create ("core",
 694                                        p->cfg);
 695   GNUNET_assert (NULL != p->stats);
 696   p->ats = GNUNET_ATS_connectivity_init (p->cfg);
 697   GNUNET_assert (NULL != p->ats);
 698   p->ghh = GNUNET_TRANSPORT_hello_get (p->cfg,
 699                                        GNUNET_TRANSPORT_AC_ANY,
 700                                        &process_hello,
 701                                        p);
 702   GNUNET_free (binary);
 703 }
 704
 705
 706 static void
 707 run (void *cls,
 708      char *const *args,
 709      const char *cfgfile,
 710      const struct GNUNET_CONFIGURATION_Handle *cfg)
 711 {
 712   GNUNET_assert (ok == 1);
 713   OKPP;
 714   err_task =
 715       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 716                                     &terminate_task_error,
 717                                     NULL);
 718   GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
 719                                  NULL);
 720   if (test == SYMMETRIC)
 721   {
 722     setup_peer (&p1,
 723                 "test_core_quota_peer1.conf");
 724     setup_peer (&p2,
 725                 "test_core_quota_peer2.conf");
 726   }
 727   else if (test == ASYMMETRIC_SEND_LIMITED)
 728   {
 729     setup_peer (&p1,
 730                 "test_core_quota_asymmetric_send_limit_peer1.conf");
 731     setup_peer (&p2,
 732                 "test_core_quota_asymmetric_send_limit_peer2.conf");
 733   }
 734   else if (test == ASYMMETRIC_RECV_LIMITED)
 735   {
 736     setup_peer (&p1,
 737                 "test_core_quota_asymmetric_recv_limited_peer1.conf");
 738     setup_peer (&p2,
 739                 "test_core_quota_asymmetric_recv_limited_peer2.conf");
 740   }
 741
 742   GNUNET_assert (test != -1);
 743   GNUNET_assert (GNUNET_SYSERR !=
 744                  GNUNET_CONFIGURATION_get_value_size (p1.cfg,
 745                                                       "ATS",
 746                                                       "WAN_QUOTA_IN",
 747                                                       &current_quota_p1_in));
 748   GNUNET_assert (GNUNET_SYSERR !=
 749                  GNUNET_CONFIGURATION_get_value_size (p2.cfg,
 750                                                       "ATS",
 751                                                       "WAN_QUOTA_IN",
 752                                                       &current_quota_p2_in));
 753   GNUNET_assert (GNUNET_SYSERR !=
 754                  GNUNET_CONFIGURATION_get_value_size (p1.cfg,
 755                                                       "ATS",
 756                                                       "WAN_QUOTA_OUT",
 757                                                       &current_quota_p1_out));
 758   GNUNET_assert (GNUNET_SYSERR !=
 759                  GNUNET_CONFIGURATION_get_value_size (p2.cfg,
 760                                                       "ATS",
 761                                                       "WAN_QUOTA_OUT",
 762                                                       &current_quota_p2_out));
 763
 764   p1.ch =
 765       GNUNET_CORE_connect (p1.cfg,
 766                            &p1,
 767                            &init_notify,
 768                            &connect_notify,
 769                            &disconnect_notify,
 770                            &inbound_notify,
 771                            GNUNET_YES,
 772                            &outbound_notify,
 773                            GNUNET_YES,
 774                            handlers);
 775 }
 776
 777
 778 static void
 779 stop_arm (struct PeerContext *p)
 780 {
 781   if (0 != GNUNET_OS_process_kill (p->arm_proc,
 782                                    GNUNET_TERM_SIG))
 783     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 784                          "kill");
 785   if (GNUNET_OK !=
 786       GNUNET_OS_process_wait (p->arm_proc))
 787     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 788                          "waitpid");
 789   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 790               "ARM process %u stopped\n",
 791               GNUNET_OS_process_get_pid (p->arm_proc));
 792   GNUNET_OS_process_destroy (p->arm_proc);
 793   p->arm_proc = NULL;
 794   GNUNET_CONFIGURATION_destroy (p->cfg);
 795 }
 796
 797
 798 static int
 799 check ()
 800 {
 801   char *const argv[] = {
 802     "test-core-quota-compliance",
 803     "-c",
 804     "test_core_api_data.conf",
 805     NULL
 806   };
 807   struct GNUNET_GETOPT_CommandLineOption options[] = {
 808     GNUNET_GETOPT_OPTION_END
 809   };
 810   ok = 1;
 811   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 812                       argv,
 813                       "test-core-quota-compliance",
 814                       "nohelp",
 815                       options,
 816                       &run,
 817                       &ok);
 818   stop_arm (&p1);
 819   stop_arm (&p2);
 820   return ok;
 821 }
 822
 823
 824 static void
 825 cleanup_directory (int test)
 826 {
 827   switch (test) {
 828   case SYMMETRIC:
 829     GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-quota-sym-peer-1/");
 830     GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-quota-sym-peer-2/");
 831     break;
 832   case ASYMMETRIC_SEND_LIMITED:
 833     GNUNET_DISK_directory_remove
 834         ("/tmp/test-gnunet-core-quota-asym-send-lim-peer-1/");
 835     GNUNET_DISK_directory_remove
 836         ("/tmp/test-gnunet-core-quota-asym-send-lim-peer-2/");
 837     break;
 838   case ASYMMETRIC_RECV_LIMITED:
 839     GNUNET_DISK_directory_remove
 840         ("/tmp/test-gnunet-core-quota-asym-recv-lim-peer-1/");
 841     GNUNET_DISK_directory_remove
 842         ("/tmp/test-gnunet-core-quota-asym-recv-lim-peer-2/");
 843     break;
 844   }
 845 }
 846
 847
 848 int
 849 main (int argc,
 850       char *argv[])
 851 {
 852   int ret;
 853
 854   test = -1;
 855   if (NULL != strstr (argv[0],
 856                       "_symmetric"))
 857   {
 858     test = SYMMETRIC;
 859   }
 860   else if (NULL != strstr (argv[0],
 861                            "_asymmetric_send"))
 862   {
 863     test = ASYMMETRIC_SEND_LIMITED;
 864   }
 865   else if (NULL != strstr (argv[0],
 866                            "_asymmetric_recv"))
 867   {
 868     test = ASYMMETRIC_RECV_LIMITED;
 869   }
 870   GNUNET_assert (test != -1);
 871   cleanup_directory (test);
 872   GNUNET_log_setup ("test-core-quota-compliance",
 873                     "WARNING",
 874                     NULL);
 875   ret = check ();
 876   cleanup_directory (test);
 877   return ret;
 878 }
 879
 880
 881 /* end of test_core_quota_compliance.c */