src/core/test_core_api_preferences.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
   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., 59 Temple Place - Suite 330,
  18      Boston, MA 02111-1307, USA.
  19 */
  20 /**
  21  * @file core/test_core_api_preferences.c
  22  * @brief testcase for core_api.c's GNUNET_CORE_change_preference
  23  */
  24 #include "platform.h"
  25 #include "gnunet_common.h"
  26 #include "gnunet_arm_service.h"
  27 #include "gnunet_core_service.h"
  28 #include "gnunet_getopt_lib.h"
  29 #include "gnunet_os_lib.h"
  30 #include "gnunet_program_lib.h"
  31 #include "gnunet_scheduler_lib.h"
  32 #include "gnunet_transport_service.h"
  33
  34 #define VERBOSE GNUNET_NO
  35
  36 #define START_ARM GNUNET_YES
  37
  38 #define MTYPE 12345
  39
  40 struct PeerContext
  41 {
  42   struct GNUNET_CONFIGURATION_Handle *cfg;
  43   struct GNUNET_CORE_Handle *ch;
  44   struct GNUNET_PeerIdentity id;
  45   struct GNUNET_TRANSPORT_Handle *th;
  46   struct GNUNET_MessageHeader *hello;
  47   int connect_status;
  48 #if START_ARM
  49   struct GNUNET_OS_Process *arm_proc;
  50 #endif
  51 };
  52
  53 static struct PeerContext p1;
  54
  55 static struct PeerContext p2;
  56
  57 static GNUNET_SCHEDULER_TaskIdentifier err_task;
  58
  59 static int ok;
  60
  61 #if VERBOSE
  62 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
  63 #else
  64 #define OKPP do { ok++; } while (0)
  65 #endif
  66
  67 static struct GNUNET_CORE_InformationRequestContext *irc;
  68
  69 static GNUNET_SCHEDULER_TaskIdentifier irc_task;
  70
  71 static GNUNET_SCHEDULER_TaskIdentifier ask_task;
  72
  73 static unsigned int total_reserve = 5;
  74
  75
  76
  77 static void
  78 terminate_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  79 {
  80 #if VERBOSE
  81   fprintf(stderr, "Regular shutdown\n");
  82 #endif
  83   GNUNET_assert (ok == 6);
  84   GNUNET_assert (NULL == irc);
  85   GNUNET_CORE_disconnect (p1.ch);
  86   GNUNET_CORE_disconnect (p2.ch);
  87   GNUNET_TRANSPORT_disconnect (p1.th);
  88   GNUNET_TRANSPORT_disconnect (p2.th);
  89   ok = 0;
  90 }
  91
  92
  93 static void
  94 terminate_task_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  95 {
  96   err_task = GNUNET_SCHEDULER_NO_TASK;
  97 #if VERBOSE
  98   fprintf(stderr, "ENDING ANGRILY %u\n", ok);
  99 #endif
 100   GNUNET_break (0);
 101   if (NULL != irc)
 102     GNUNET_CORE_peer_change_preference_cancel (irc);
 103   if (GNUNET_SCHEDULER_NO_TASK != irc_task)
 104     GNUNET_SCHEDULER_cancel (irc_task);
 105   if (GNUNET_SCHEDULER_NO_TASK != ask_task)
 106     {
 107       GNUNET_SCHEDULER_cancel (ask_task);
 108       ask_task = GNUNET_SCHEDULER_NO_TASK;
 109     }
 110   GNUNET_CORE_disconnect (p1.ch);
 111   GNUNET_CORE_disconnect (p2.ch);
 112   GNUNET_TRANSPORT_disconnect (p1.th);
 113   GNUNET_TRANSPORT_disconnect (p2.th);
 114   ok = 42;
 115 }
 116
 117
 118 static size_t
 119 transmit_ready (void *cls, size_t size, void *buf)
 120 {
 121   struct PeerContext *p = cls;
 122   struct GNUNET_MessageHeader *m;
 123
 124   GNUNET_assert (ok == 4);
 125   OKPP;
 126   GNUNET_assert (p == &p1);
 127   GNUNET_assert (buf != NULL);
 128   m = (struct GNUNET_MessageHeader *) buf;
 129   m->type = htons (MTYPE);
 130   m->size = htons (sizeof (struct GNUNET_MessageHeader));
 131   err_task =
 132     GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 120),
 133                                   &terminate_task_error, NULL);
 134
 135   return sizeof (struct GNUNET_MessageHeader);
 136 }
 137
 138 static void
 139 preference_cb (void *cls,
 140                const struct
 141                GNUNET_PeerIdentity *peer,
 142                struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
 143                int32_t amount,
 144                struct GNUNET_TIME_Relative res_delay,
 145                uint64_t preference);
 146
 147 static void
 148 do_reserve (void *cls,
 149             const struct GNUNET_SCHEDULER_TaskContext *tc)
 150 {
 151   struct PeerContext *pc = cls;
 152
 153   irc_task = GNUNET_SCHEDULER_NO_TASK;
 154   if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
 155     {
 156       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 157                   "Aborted during attempt to request reservation\n");
 158       return;
 159     }
 160   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 161               "Requesting reservatin of 32k from core in 1s!\n");
 162   irc = GNUNET_CORE_peer_change_preference (p1.ch,
 163                                             &p2.id,
 164                                             GNUNET_TIME_UNIT_SECONDS,
 165                                             GNUNET_BANDWIDTH_VALUE_MAX,
 166                                             1000000 /* bandwidth for 1s */,
 167                                             0,
 168                                             &preference_cb,
 169                                             pc);
 170 }
 171
 172 static void
 173 preference_cb (void *cls,
 174                const struct
 175                GNUNET_PeerIdentity *peer,
 176                struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
 177                int32_t amount,
 178                struct GNUNET_TIME_Relative res_delay,
 179                uint64_t preference)
 180 {
 181   struct PeerContext *pc = cls;
 182
 183   irc = NULL;
 184   if (0 == amount)
 185     {
 186       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 187                   "Delaying reservation request by %llu ms!\n",
 188                   (unsigned long long) res_delay.rel_value);
 189       irc_task = GNUNET_SCHEDULER_add_delayed (res_delay,
 190                                                &do_reserve, pc);
 191       return;
 192     }
 193   total_reserve--;
 194   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 195               "Reservation done!\n");
 196   if (total_reserve > 0)
 197     {
 198       irc_task = GNUNET_SCHEDULER_add_now (&do_reserve, pc);
 199       return;
 200     }
 201   GNUNET_SCHEDULER_cancel (err_task);
 202   err_task = GNUNET_SCHEDULER_NO_TASK;
 203   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 204               "Asking core (1) for transmission to peer `%4s'\n",
 205               GNUNET_i2s (&p2.id));
 206   if (NULL == GNUNET_CORE_notify_transmit_ready (p1.ch,
 207                                                  GNUNET_YES,
 208                                                  0,
 209                                                  GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 45),
 210                                                  &p2.id,
 211                                                  sizeof (struct GNUNET_MessageHeader),
 212                                                  &transmit_ready, &p1))
 213     {
 214       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 215                   "RECEIVED NULL when asking core (1) for transmission to peer `%4s'\n",
 216                   GNUNET_i2s (&p2.id));
 217     }
 218 }
 219
 220
 221 static void
 222 connect_notify (void *cls,
 223                 const struct GNUNET_PeerIdentity *peer,
 224                 const struct GNUNET_TRANSPORT_ATS_Information *atsi)
 225 {
 226   struct PeerContext *pc = cls;
 227
 228   if (0 == memcmp (&pc->id,
 229                    peer,
 230                    sizeof (struct GNUNET_PeerIdentity)))
 231     return;
 232   GNUNET_assert (pc->connect_status == 0);
 233   pc->connect_status = 1;
 234   if (pc == &p1)
 235     {
 236       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 237                   "Encrypted connection established to peer `%4s'\n",
 238                   GNUNET_i2s (peer));
 239       if (GNUNET_SCHEDULER_NO_TASK != ask_task)
 240         {
 241           GNUNET_SCHEDULER_cancel (ask_task);
 242           ask_task = GNUNET_SCHEDULER_NO_TASK;
 243         }
 244       GNUNET_SCHEDULER_cancel (err_task);
 245       err_task =
 246         GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 120),
 247                                       &terminate_task_error, NULL);
 248       irc_task = GNUNET_SCHEDULER_add_now (&do_reserve, pc);
 249     }
 250 }
 251
 252
 253 static void
 254 disconnect_notify (void *cls,
 255                    const struct GNUNET_PeerIdentity *peer)
 256 {
 257   struct PeerContext *pc = cls;
 258
 259   if (0 == memcmp (&pc->id,
 260                    peer,
 261                    sizeof (struct GNUNET_PeerIdentity)))
 262     return;
 263   pc->connect_status = 0;
 264   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 265               "Encrypted connection to `%4s' cut\n", GNUNET_i2s (peer));
 266 }
 267
 268
 269 static int
 270 inbound_notify (void *cls,
 271                 const struct GNUNET_PeerIdentity *other,
 272                 const struct GNUNET_MessageHeader *message,
 273                 const struct GNUNET_TRANSPORT_ATS_Information *atsi)
 274 {
 275   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 276               "Core provides inbound data from `%4s'.\n", GNUNET_i2s (other));
 277   return GNUNET_OK;
 278 }
 279
 280
 281 static int
 282 outbound_notify (void *cls,
 283                  const struct GNUNET_PeerIdentity *other,
 284                  const struct GNUNET_MessageHeader *message,
 285                  const struct GNUNET_TRANSPORT_ATS_Information *atsi)
 286 {
 287   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 288               "Core notifies about outbound data for `%4s'.\n",
 289               GNUNET_i2s (other));
 290   return GNUNET_OK;
 291 }
 292
 293
 294
 295 static int
 296 process_mtype (void *cls,
 297                const struct GNUNET_PeerIdentity *peer,
 298                const struct GNUNET_MessageHeader *message,
 299                const struct GNUNET_TRANSPORT_ATS_Information *atsi)
 300 {
 301   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 302               "Receiving message from `%4s'.\n", GNUNET_i2s (peer));
 303   GNUNET_assert (ok == 5);
 304   OKPP;
 305   GNUNET_SCHEDULER_cancel (err_task);
 306   err_task = GNUNET_SCHEDULER_NO_TASK;
 307   GNUNET_SCHEDULER_add_now (&terminate_task, NULL);
 308   return GNUNET_OK;
 309 }
 310
 311
 312 static struct GNUNET_CORE_MessageHandler handlers[] = {
 313   {&process_mtype, MTYPE, sizeof (struct GNUNET_MessageHeader)},
 314   {NULL, 0, 0}
 315 };
 316
 317
 318
 319 static void
 320 ask_connect_task (void *cls,
 321                   const struct GNUNET_SCHEDULER_TaskContext *tc)
 322 {
 323   if (GNUNET_SCHEDULER_NO_TASK != ask_task)
 324     GNUNET_SCHEDULER_cancel (ask_task);
 325   ask_task =
 326     GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
 327                                   &ask_connect_task, NULL);
 328   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 329               "Asking core (1) AGAIN to connect to peer `%4s'\n",
 330               GNUNET_i2s (&p2.id));
 331   GNUNET_CORE_peer_request_connect (p1.ch,
 332                                     &p2.id,
 333                                     NULL, NULL);
 334 }
 335
 336
 337 static void
 338 init_notify (void *cls,
 339              struct GNUNET_CORE_Handle *server,
 340              const struct GNUNET_PeerIdentity *my_identity,
 341              const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *publicKey)
 342 {
 343   struct PeerContext *p = cls;
 344
 345   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 346               "Core connection to `%4s' established\n",
 347               GNUNET_i2s (my_identity));
 348   GNUNET_assert (server != NULL);
 349   p->id = *my_identity;
 350   p->ch = server;
 351   if (cls == &p1)
 352     {
 353       GNUNET_assert (ok == 2);
 354       OKPP;
 355       /* connect p2 */
 356       GNUNET_CORE_connect (p2.cfg, 1,
 357                            &p2,
 358                            &init_notify,
 359                            &connect_notify,
 360                            &disconnect_notify,
 361                            NULL,
 362                            &inbound_notify,
 363                            GNUNET_YES,
 364                            &outbound_notify, GNUNET_YES, handlers);
 365     }
 366   else
 367     {
 368       GNUNET_assert (ok == 3);
 369       OKPP;
 370       GNUNET_assert (cls == &p2);
 371       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 372                   "Asking core (1) to connect to peer `%4s'\n",
 373                   GNUNET_i2s (&p2.id));
 374       err_task =
 375         GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 60),
 376                                       &terminate_task_error, NULL);
 377       if (GNUNET_SCHEDULER_NO_TASK != ask_task)
 378         GNUNET_SCHEDULER_cancel (ask_task);
 379       ask_task =
 380         GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
 381                                       &ask_connect_task, NULL);
 382       GNUNET_CORE_peer_request_connect (p1.ch,
 383                                         &p2.id,
 384                                         NULL, NULL);
 385     }
 386 }
 387
 388
 389 static void
 390 process_hello (void *cls,
 391                const struct GNUNET_MessageHeader *message)
 392 {
 393   struct PeerContext *p = cls;
 394
 395   GNUNET_TRANSPORT_get_hello_cancel (p->th, &process_hello, p);
 396   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 397               "Received (my) `%s' from transport service\n",
 398               "HELLO");
 399   GNUNET_assert (message != NULL);
 400   p->hello = GNUNET_malloc (ntohs (message->size));
 401   memcpy (p->hello, message, ntohs (message->size));
 402   if ((p == &p1) && (p2.th != NULL))
 403     GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
 404   if ((p == &p2) && (p1.th != NULL))
 405     GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
 406
 407   if ((p == &p1) && (p2.hello != NULL))
 408     GNUNET_TRANSPORT_offer_hello (p1.th, p2.hello, NULL, NULL);
 409   if ((p == &p2) && (p1.hello != NULL))
 410     GNUNET_TRANSPORT_offer_hello (p2.th, p1.hello, NULL, NULL);
 411 }
 412
 413
 414
 415 static void
 416 setup_peer (struct PeerContext *p, const char *cfgname)
 417 {
 418   p->cfg = GNUNET_CONFIGURATION_create ();
 419 #if START_ARM
 420   p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 421                                         "gnunet-service-arm",
 422 #if VERBOSE
 423                                         "-L", "DEBUG",
 424 #endif
 425                                         "-c", cfgname, NULL);
 426 #endif
 427   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 428   p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL, p, NULL, NULL, NULL);
 429   GNUNET_assert (p->th != NULL);
 430   GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p);
 431 }
 432
 433
 434 static void
 435 run (void *cls,
 436      char *const *args,
 437      const char *cfgfile,
 438      const struct GNUNET_CONFIGURATION_Handle *cfg)
 439 {
 440   GNUNET_assert (ok == 1);
 441   OKPP;
 442   setup_peer (&p1, "test_core_quota_asymmetric_recv_limited_peer1.conf");
 443   setup_peer (&p2, "test_core_quota_asymmetric_recv_limited_peer2.conf");
 444   GNUNET_CORE_connect (p1.cfg, 1,
 445                        &p1,
 446                        &init_notify,
 447                        &connect_notify,
 448                        &disconnect_notify,
 449                        NULL,
 450                        &inbound_notify,
 451                        GNUNET_YES, &outbound_notify, GNUNET_YES, handlers);
 452 }
 453
 454 static void
 455 stop_arm (struct PeerContext *p)
 456 {
 457 #if START_ARM
 458   if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
 459     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 460   if (GNUNET_OS_process_wait(p->arm_proc) != GNUNET_OK)
 461     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 462   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 463               "ARM process %u stopped\n", GNUNET_OS_process_get_pid (p->arm_proc));
 464   GNUNET_OS_process_close (p->arm_proc);
 465   p->arm_proc = NULL;
 466 #endif
 467   GNUNET_CONFIGURATION_destroy (p->cfg);
 468 }
 469
 470 static int
 471 check ()
 472 {
 473   char *const argv[] = { "test-core-api-preferences",
 474     "-c",
 475     "test_core_api_data.conf",
 476 #if VERBOSE
 477     "-L", "DEBUG",
 478 #endif
 479     NULL
 480   };
 481   struct GNUNET_GETOPT_CommandLineOption options[] = {
 482     GNUNET_GETOPT_OPTION_END
 483   };
 484   ok = 1;
 485   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 486                       argv, "test-core-api-preferences", "nohelp", options, &run, &ok);
 487   stop_arm (&p1);
 488   stop_arm (&p2);
 489   return ok;
 490 }
 491
 492 int
 493 main (int argc, char *argv[])
 494 {
 495   int ret;
 496
 497   GNUNET_log_setup ("test-core-api",
 498 #if VERBOSE
 499                     "DEBUG",
 500 #else
 501                     "WARNING",
 502 #endif
 503                     NULL);
 504   ret = check ();
 505   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1");
 506   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2");
 507
 508   return ret;
 509 }
 510
 511 /* end of test_core_api_preferences.c */