src/core/test_core_api_reliability.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 it
   6      under the terms of the GNU Affero General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your 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      Affero General Public License for more details.
  14
  15      You should have received a copy of the GNU Affero General Public License
  16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18 /**
  19  * @file core/test_core_api_reliability.c
  20  * @brief testcase for core_api.c focusing on reliable transmission (with TCP)
  21  * @author Christian Grothoff
  22  */
  23 #include "platform.h"
  24 #include "gnunet_arm_service.h"
  25 #include "gnunet_core_service.h"
  26 #include "gnunet_util_lib.h"
  27 #include "gnunet_ats_service.h"
  28 #include "gnunet_transport_service.h"
  29 #include "gnunet_transport_hello_service.h"
  30 #include <gauger.h>
  31
  32 /**
  33  * Note that this value must not significantly exceed
  34  * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
  35  * messages may be dropped even for a reliable transport.
  36  */
  37 #define TOTAL_MSGS (600 * 10)
  38
  39 /**
  40  * How long until we give up on transmitting the message?
  41  */
  42 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
  43
  44 #define MTYPE 12345
  45
  46
  47 static unsigned long long total_bytes;
  48
  49 static struct GNUNET_TIME_Absolute start_time;
  50
  51 static struct GNUNET_SCHEDULER_Task *err_task;
  52
  53
  54 struct PeerContext
  55 {
  56   struct GNUNET_CONFIGURATION_Handle *cfg;
  57   struct GNUNET_CORE_Handle *ch;
  58   struct GNUNET_MQ_Handle *mq;
  59   struct GNUNET_PeerIdentity id;
  60   struct GNUNET_TRANSPORT_OfferHelloHandle *oh;
  61   struct GNUNET_MessageHeader *hello;
  62   struct GNUNET_TRANSPORT_HelloGetHandle *ghh;
  63   struct GNUNET_ATS_ConnectivityHandle *ats;
  64   struct GNUNET_ATS_ConnectivitySuggestHandle *ats_sh;
  65   int connect_status;
  66   struct GNUNET_OS_Process *arm_proc;
  67 };
  68
  69 static struct PeerContext p1;
  70
  71 static struct PeerContext p2;
  72
  73 static int ok;
  74
  75 static int32_t tr_n;
  76
  77
  78 #define OKPP do { ok++; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
  79
  80 struct TestMessage
  81 {
  82   struct GNUNET_MessageHeader header;
  83   uint32_t num GNUNET_PACKED;
  84 };
  85
  86
  87 static unsigned int
  88 get_size (unsigned int iter)
  89 {
  90   unsigned int ret;
  91
  92   if (iter < 60000)
  93     return iter + sizeof (struct TestMessage);
  94   ret = (iter * iter * iter);
  95   return sizeof (struct TestMessage) + (ret % 60000);
  96 }
  97
  98
  99 static void
 100 terminate_peer (struct PeerContext *p)
 101 {
 102   if (NULL != p->ch)
 103   {
 104     GNUNET_CORE_disconnect (p->ch);
 105     p->ch = NULL;
 106   }
 107   if (NULL != p->ghh)
 108   {
 109     GNUNET_TRANSPORT_hello_get_cancel (p->ghh);
 110     p->ghh = NULL;
 111   }
 112   if (NULL != p->oh)
 113   {
 114     GNUNET_TRANSPORT_offer_hello_cancel (p->oh);
 115     p->oh = NULL;
 116   }
 117   if (NULL != p->ats_sh)
 118   {
 119     GNUNET_ATS_connectivity_suggest_cancel (p->ats_sh);
 120     p->ats_sh = NULL;
 121   }
 122   if (NULL != p->ats)
 123   {
 124     GNUNET_ATS_connectivity_done (p->ats);
 125     p->ats = NULL;
 126   }
 127 }
 128
 129
 130 static void
 131 terminate_task_error (void *cls)
 132 {
 133   err_task = NULL;
 134   GNUNET_break (0);
 135   GNUNET_SCHEDULER_shutdown ();
 136   ok = 42;
 137 }
 138
 139
 140 static void
 141 do_shutdown (void *cls)
 142 {
 143   unsigned long long delta;
 144
 145   delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us;
 146   FPRINTF (stderr,
 147            "\nThroughput was %llu kb/s\n",
 148            total_bytes * 1000000LL / 1024 / delta);
 149   GAUGER ("CORE",
 150           "Core throughput/s",
 151           total_bytes * 1000000LL / 1024 / delta,
 152           "kb/s");
 153   if (NULL != err_task)
 154   {
 155     GNUNET_SCHEDULER_cancel (err_task);
 156     err_task = NULL;
 157   }
 158   terminate_peer (&p1);
 159   terminate_peer (&p2);
 160
 161 }
 162
 163
 164 static void
 165 send_message (struct GNUNET_MQ_Handle *mq,
 166               int32_t num)
 167 {
 168   struct GNUNET_MQ_Envelope *env;
 169   struct TestMessage *hdr;
 170   unsigned int s;
 171
 172   GNUNET_assert (NULL != mq);
 173   GNUNET_assert (tr_n < TOTAL_MSGS);
 174   s = get_size (tr_n);
 175   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 176               "Sending message %u of size %u\n",
 177               tr_n,
 178               s);
 179   env = GNUNET_MQ_msg_extra (hdr,
 180                              s - sizeof (struct TestMessage),
 181                              MTYPE);
 182   hdr->num = htonl (tr_n);
 183   memset (&hdr[1],
 184           tr_n,
 185           s - sizeof (struct TestMessage));
 186   tr_n++;
 187   GNUNET_SCHEDULER_cancel (err_task);
 188   err_task =
 189       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 190                                     &terminate_task_error,
 191                                     NULL);
 192   total_bytes += s;
 193   GNUNET_MQ_send (mq,
 194                   env);
 195 }
 196
 197
 198 static void *
 199 connect_notify (void *cls,
 200                 const struct GNUNET_PeerIdentity *peer,
 201                 struct GNUNET_MQ_Handle *mq)
 202 {
 203   struct PeerContext *pc = cls;
 204
 205   if (0 == memcmp (&pc->id,
 206                    peer,
 207                    sizeof (struct GNUNET_PeerIdentity)))
 208     return (void *) peer;
 209   pc->mq = mq;
 210   GNUNET_assert (0 == pc->connect_status);
 211   pc->connect_status = 1;
 212   if (pc == &p1)
 213   {
 214     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 215                 "Encrypted connection established to peer `%s'\n",
 216                 GNUNET_i2s (peer));
 217     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 218                 "Asking core (1) for transmission to peer `%s'\n",
 219                 GNUNET_i2s (&p2.id));
 220     GNUNET_SCHEDULER_cancel (err_task);
 221     err_task =
 222         GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 223                                       &terminate_task_error,
 224                                       NULL);
 225     start_time = GNUNET_TIME_absolute_get ();
 226     send_message (mq,
 227                   0);
 228   }
 229   return (void *) peer;
 230 }
 231
 232
 233 static void
 234 disconnect_notify (void *cls,
 235                    const struct GNUNET_PeerIdentity *peer,
 236                    void *internal_cls)
 237 {
 238   struct PeerContext *pc = cls;
 239
 240   if (0 == memcmp (&pc->id,
 241                    peer,
 242                    sizeof (struct GNUNET_PeerIdentity)))
 243     return;
 244   pc->mq = NULL;
 245   pc->connect_status = 0;
 246   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 247               "Encrypted connection to `%s' cut\n",
 248               GNUNET_i2s (peer));
 249 }
 250
 251
 252 static int
 253 check_test (void *cls,
 254             const struct TestMessage *hdr)
 255 {
 256   return GNUNET_OK; /* accept all */
 257 }
 258
 259
 260 static void
 261 handle_test (void *cls,
 262              const struct TestMessage *hdr)
 263 {
 264   static int n;
 265   unsigned int s;
 266
 267   s = get_size (n);
 268   if (ntohs (hdr->header.size) != s)
 269   {
 270     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 271                 "Expected message %u of size %u, got %u bytes of message %u\n",
 272                 n,
 273                 s,
 274                 ntohs (hdr->header.size),
 275                 ntohl (hdr->num));
 276     GNUNET_SCHEDULER_cancel (err_task);
 277     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 278                                          NULL);
 279     return;
 280   }
 281   if (ntohl (hdr->num) != n)
 282   {
 283     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 284                 "Expected message %u of size %u, got %u bytes of message %u\n",
 285                 n,
 286                 s,
 287                 (unsigned int) ntohs (hdr->header.size),
 288                 (unsigned int) ntohl (hdr->num));
 289     GNUNET_SCHEDULER_cancel (err_task);
 290     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 291                                          NULL);
 292     return;
 293   }
 294   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 295               "Got message %u of size %u\n",
 296               (unsigned int) ntohl (hdr->num),
 297               (unsigned int) ntohs (hdr->header.size));
 298   n++;
 299   if (0 == (n % (TOTAL_MSGS / 100)))
 300     FPRINTF (stderr,
 301              "%s",
 302              ".");
 303   if (n == TOTAL_MSGS)
 304   {
 305     ok = 0;
 306     GNUNET_SCHEDULER_shutdown ();
 307   }
 308   else
 309   {
 310     if (n == tr_n)
 311     {
 312       send_message (p1.mq,
 313                     tr_n);
 314     }
 315   }
 316 }
 317
 318
 319 static void
 320 init_notify (void *cls,
 321              const struct GNUNET_PeerIdentity *my_identity)
 322 {
 323   struct PeerContext *p = cls;
 324   struct GNUNET_MQ_MessageHandler handlers[] = {
 325     GNUNET_MQ_hd_var_size (test,
 326                            MTYPE,
 327                            struct TestMessage,
 328                            NULL),
 329     GNUNET_MQ_handler_end ()
 330   };
 331
 332   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 333               "Connection to CORE service of `%s' established\n",
 334               GNUNET_i2s (my_identity));
 335   p->id = *my_identity;
 336   if (cls == &p1)
 337   {
 338     GNUNET_assert (ok == 2);
 339     OKPP;
 340     /* connect p2 */
 341     GNUNET_assert (NULL !=
 342                    (p2.ch = GNUNET_CORE_connect (p2.cfg,
 343                                                  &p2,
 344                                                  &init_notify,
 345                                                  &connect_notify,
 346                                                  &disconnect_notify,
 347                                                  handlers)));
 348   }
 349   else
 350   {
 351     GNUNET_assert (ok == 3);
 352     OKPP;
 353     GNUNET_assert (cls == &p2);
 354     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 355                 "Asking transport (1) to connect to peer `%s'\n",
 356                 GNUNET_i2s (&p2.id));
 357     p1.ats_sh = GNUNET_ATS_connectivity_suggest (p1.ats,
 358                                                  &p2.id,
 359                                                  1);
 360   }
 361 }
 362
 363
 364 static void
 365 offer_hello_done (void *cls)
 366 {
 367   struct PeerContext *p = cls;
 368
 369   p->oh = NULL;
 370 }
 371
 372
 373 static void
 374 process_hello (void *cls,
 375                const struct GNUNET_MessageHeader *message)
 376 {
 377   struct PeerContext *p = cls;
 378
 379   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 380               "Received (my) `%s' from transport service\n", "HELLO");
 381   GNUNET_assert (message != NULL);
 382   GNUNET_free_non_null (p->hello);
 383   p->hello = GNUNET_copy_message (message);
 384   if ((p == &p1) && (NULL == p2.oh))
 385     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 386                                           message,
 387                                           &offer_hello_done,
 388                                           &p2);
 389   if ((p == &p2) && (NULL == p1.oh))
 390     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 391                                           message,
 392                                           &offer_hello_done,
 393                                           &p1);
 394
 395   if ((p == &p1) && (p2.hello != NULL) && (NULL == p1.oh) )
 396     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 397                                           p2.hello,
 398                                           &offer_hello_done,
 399                                           &p1);
 400   if ((p == &p2) && (p1.hello != NULL) && (NULL == p2.oh) )
 401     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 402                                           p1.hello,
 403                                           &offer_hello_done,
 404                                           &p2);
 405 }
 406
 407
 408 static void
 409 setup_peer (struct PeerContext *p,
 410             const char *cfgname)
 411 {
 412   char *binary;
 413
 414   binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm");
 415   p->cfg = GNUNET_CONFIGURATION_create ();
 416   p->arm_proc
 417     = GNUNET_OS_start_process (GNUNET_YES,
 418                                GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
 419                                NULL, NULL, NULL,
 420                                binary,
 421                                "gnunet-service-arm",
 422                                "-c",
 423                                cfgname,
 424                                NULL);
 425   GNUNET_assert (GNUNET_OK ==
 426                  GNUNET_CONFIGURATION_load (p->cfg,
 427                                             cfgname));
 428   p->ats = GNUNET_ATS_connectivity_init (p->cfg);
 429   GNUNET_assert (NULL != p->ats);
 430   p->ghh = GNUNET_TRANSPORT_hello_get (p->cfg,
 431                                        GNUNET_TRANSPORT_AC_ANY,
 432                                        &process_hello,
 433                                        p);
 434   GNUNET_free (binary);
 435 }
 436
 437
 438 static void
 439 run (void *cls,
 440      char *const *args,
 441      const char *cfgfile,
 442      const struct GNUNET_CONFIGURATION_Handle *cfg)
 443 {
 444   struct GNUNET_MQ_MessageHandler handlers[] = {
 445     GNUNET_MQ_hd_fixed_size (test,
 446                              MTYPE,
 447                              struct TestMessage,
 448                              NULL),
 449     GNUNET_MQ_handler_end ()
 450   };
 451
 452   GNUNET_assert (ok == 1);
 453   OKPP;
 454   setup_peer (&p1,
 455               "test_core_api_peer1.conf");
 456   setup_peer (&p2,
 457               "test_core_api_peer2.conf");
 458   err_task =
 459       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 460                                     &terminate_task_error,
 461                                     NULL);
 462   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 463                                  NULL);
 464
 465   GNUNET_assert (NULL !=
 466                  (p1.ch = GNUNET_CORE_connect (p1.cfg,
 467                                                &p1,
 468                                                &init_notify,
 469                                                &connect_notify,
 470                                                &disconnect_notify,
 471                                                handlers)));
 472 }
 473
 474
 475 static void
 476 stop_arm (struct PeerContext *p)
 477 {
 478   if (0 != GNUNET_OS_process_kill (p->arm_proc,
 479                                    GNUNET_TERM_SIG))
 480     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 481                          "kill");
 482   if (GNUNET_OK != GNUNET_OS_process_wait (p->arm_proc))
 483     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 484                          "waitpid");
 485   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 486               "ARM process %u stopped\n",
 487               GNUNET_OS_process_get_pid (p->arm_proc));
 488   GNUNET_OS_process_destroy (p->arm_proc);
 489   p->arm_proc = NULL;
 490   GNUNET_CONFIGURATION_destroy (p->cfg);
 491 }
 492
 493
 494 int
 495 main (int argc,
 496       char *argv1[])
 497 {
 498   char *const argv[] = {
 499     "test-core-api-reliability",
 500     "-c",
 501     "test_core_api_data.conf",
 502     NULL
 503   };
 504   struct GNUNET_GETOPT_CommandLineOption options[] = {
 505     GNUNET_GETOPT_OPTION_END
 506   };
 507   ok = 1;
 508   GNUNET_log_setup ("test-core-api-reliability",
 509                     "WARNING",
 510                     NULL);
 511   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 512                       argv,
 513                       "test-core-api-reliability",
 514                       "nohelp",
 515                       options,
 516                       &run,
 517                       &ok);
 518   stop_arm (&p1);
 519   stop_arm (&p2);
 520   GNUNET_free_non_null (p1.hello);
 521   GNUNET_free_non_null (p2.hello);
 522   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1");
 523   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2");
 524
 525   return ok;
 526 }
 527
 528 /* end of test_core_api_reliability.c */