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      SPDX-License-Identifier: AGPL3.0-or-later
  19 */
  20 /**
  21  * @file core/test_core_api_reliability.c
  22  * @brief testcase for core_api.c focusing on reliable transmission (with TCP)
  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 <gauger.h>
  33
  34 /**
  35  * Note that this value must not significantly exceed
  36  * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
  37  * messages may be dropped even for a reliable transport.
  38  */
  39 #define TOTAL_MSGS (600 * 10)
  40
  41 /**
  42  * How long until we give up on transmitting the message?
  43  */
  44 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
  45
  46 #define MTYPE 12345
  47
  48
  49 static unsigned long long total_bytes;
  50
  51 static struct GNUNET_TIME_Absolute start_time;
  52
  53 static struct GNUNET_SCHEDULER_Task *err_task;
  54
  55
  56 struct PeerContext
  57 {
  58   struct GNUNET_CONFIGURATION_Handle *cfg;
  59   struct GNUNET_CORE_Handle *ch;
  60   struct GNUNET_MQ_Handle *mq;
  61   struct GNUNET_PeerIdentity id;
  62   struct GNUNET_TRANSPORT_OfferHelloHandle *oh;
  63   struct GNUNET_MessageHeader *hello;
  64   struct GNUNET_TRANSPORT_HelloGetHandle *ghh;
  65   struct GNUNET_ATS_ConnectivityHandle *ats;
  66   struct GNUNET_ATS_ConnectivitySuggestHandle *ats_sh;
  67   int connect_status;
  68   struct GNUNET_OS_Process *arm_proc;
  69 };
  70
  71 static struct PeerContext p1;
  72
  73 static struct PeerContext p2;
  74
  75 static int ok;
  76
  77 static int32_t tr_n;
  78
  79
  80 #define OKPP do { ok++; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
  81
  82 struct TestMessage
  83 {
  84   struct GNUNET_MessageHeader header;
  85   uint32_t num GNUNET_PACKED;
  86 };
  87
  88
  89 static unsigned int
  90 get_size (unsigned int iter)
  91 {
  92   unsigned int ret;
  93
  94   if (iter < 60000)
  95     return iter + sizeof (struct TestMessage);
  96   ret = (iter * iter * iter);
  97   return sizeof (struct TestMessage) + (ret % 60000);
  98 }
  99
 100
 101 static void
 102 terminate_peer (struct PeerContext *p)
 103 {
 104   if (NULL != p->ch)
 105   {
 106     GNUNET_CORE_disconnect (p->ch);
 107     p->ch = NULL;
 108   }
 109   if (NULL != p->ghh)
 110   {
 111     GNUNET_TRANSPORT_hello_get_cancel (p->ghh);
 112     p->ghh = NULL;
 113   }
 114   if (NULL != p->oh)
 115   {
 116     GNUNET_TRANSPORT_offer_hello_cancel (p->oh);
 117     p->oh = NULL;
 118   }
 119   if (NULL != p->ats_sh)
 120   {
 121     GNUNET_ATS_connectivity_suggest_cancel (p->ats_sh);
 122     p->ats_sh = NULL;
 123   }
 124   if (NULL != p->ats)
 125   {
 126     GNUNET_ATS_connectivity_done (p->ats);
 127     p->ats = NULL;
 128   }
 129 }
 130
 131
 132 static void
 133 terminate_task_error (void *cls)
 134 {
 135   err_task = NULL;
 136   GNUNET_break (0);
 137   GNUNET_SCHEDULER_shutdown ();
 138   ok = 42;
 139 }
 140
 141
 142 static void
 143 do_shutdown (void *cls)
 144 {
 145   unsigned long long delta;
 146
 147   delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us;
 148   if (0 == delta)
 149     delta = 1;
 150   fprintf (stderr,
 151            "\nThroughput was %llu kb/s\n",
 152            total_bytes * 1000000LL / 1024 / delta);
 153   GAUGER ("CORE",
 154           "Core throughput/s",
 155           total_bytes * 1000000LL / 1024 / delta,
 156           "kb/s");
 157   if (NULL != err_task)
 158   {
 159     GNUNET_SCHEDULER_cancel (err_task);
 160     err_task = NULL;
 161   }
 162   terminate_peer (&p1);
 163   terminate_peer (&p2);
 164
 165 }
 166
 167
 168 static void
 169 send_message (struct GNUNET_MQ_Handle *mq,
 170               int32_t num)
 171 {
 172   struct GNUNET_MQ_Envelope *env;
 173   struct TestMessage *hdr;
 174   unsigned int s;
 175
 176   GNUNET_assert (NULL != mq);
 177   GNUNET_assert (tr_n < TOTAL_MSGS);
 178   s = get_size (tr_n);
 179   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 180               "Sending message %u of size %u\n",
 181               tr_n,
 182               s);
 183   env = GNUNET_MQ_msg_extra (hdr,
 184                              s - sizeof (struct TestMessage),
 185                              MTYPE);
 186   hdr->num = htonl (tr_n);
 187   memset (&hdr[1],
 188           tr_n,
 189           s - sizeof (struct TestMessage));
 190   tr_n++;
 191   GNUNET_SCHEDULER_cancel (err_task);
 192   err_task =
 193       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 194                                     &terminate_task_error,
 195                                     NULL);
 196   total_bytes += s;
 197   GNUNET_MQ_send (mq,
 198                   env);
 199 }
 200
 201
 202 static void *
 203 connect_notify (void *cls,
 204                 const struct GNUNET_PeerIdentity *peer,
 205                 struct GNUNET_MQ_Handle *mq)
 206 {
 207   struct PeerContext *pc = cls;
 208
 209   if (0 == memcmp (&pc->id,
 210                    peer,
 211                    sizeof (struct GNUNET_PeerIdentity)))
 212     return (void *) peer;
 213   pc->mq = mq;
 214   GNUNET_assert (0 == pc->connect_status);
 215   pc->connect_status = 1;
 216   if (pc == &p1)
 217   {
 218     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 219                 "Encrypted connection established to peer `%s'\n",
 220                 GNUNET_i2s (peer));
 221     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 222                 "Asking core (1) for transmission to peer `%s'\n",
 223                 GNUNET_i2s (&p2.id));
 224     GNUNET_SCHEDULER_cancel (err_task);
 225     err_task =
 226         GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 227                                       &terminate_task_error,
 228                                       NULL);
 229     start_time = GNUNET_TIME_absolute_get ();
 230     send_message (mq,
 231                   0);
 232   }
 233   return (void *) peer;
 234 }
 235
 236
 237 static void
 238 disconnect_notify (void *cls,
 239                    const struct GNUNET_PeerIdentity *peer,
 240                    void *internal_cls)
 241 {
 242   struct PeerContext *pc = cls;
 243
 244   if (0 == memcmp (&pc->id,
 245                    peer,
 246                    sizeof (struct GNUNET_PeerIdentity)))
 247     return;
 248   pc->mq = NULL;
 249   pc->connect_status = 0;
 250   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 251               "Encrypted connection to `%s' cut\n",
 252               GNUNET_i2s (peer));
 253 }
 254
 255
 256 static int
 257 check_test (void *cls,
 258             const struct TestMessage *hdr)
 259 {
 260   return GNUNET_OK; /* accept all */
 261 }
 262
 263
 264 static void
 265 handle_test (void *cls,
 266              const struct TestMessage *hdr)
 267 {
 268   static int n;
 269   unsigned int s;
 270
 271   s = get_size (n);
 272   if (ntohs (hdr->header.size) != s)
 273   {
 274     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 275                 "Expected message %u of size %u, got %u bytes of message %u\n",
 276                 n,
 277                 s,
 278                 ntohs (hdr->header.size),
 279                 ntohl (hdr->num));
 280     GNUNET_SCHEDULER_cancel (err_task);
 281     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 282                                          NULL);
 283     return;
 284   }
 285   if (ntohl (hdr->num) != n)
 286   {
 287     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 288                 "Expected message %u of size %u, got %u bytes of message %u\n",
 289                 n,
 290                 s,
 291                 (unsigned int) ntohs (hdr->header.size),
 292                 (unsigned int) ntohl (hdr->num));
 293     GNUNET_SCHEDULER_cancel (err_task);
 294     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 295                                          NULL);
 296     return;
 297   }
 298   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 299               "Got message %u of size %u\n",
 300               (unsigned int) ntohl (hdr->num),
 301               (unsigned int) ntohs (hdr->header.size));
 302   n++;
 303   if (0 == (n % (TOTAL_MSGS / 100)))
 304     fprintf (stderr,
 305              "%s",
 306              ".");
 307   if (n == TOTAL_MSGS)
 308   {
 309     ok = 0;
 310     GNUNET_SCHEDULER_shutdown ();
 311   }
 312   else
 313   {
 314     if (n == tr_n)
 315     {
 316       send_message (p1.mq,
 317                     tr_n);
 318     }
 319   }
 320 }
 321
 322
 323 static void
 324 init_notify (void *cls,
 325              const struct GNUNET_PeerIdentity *my_identity)
 326 {
 327   struct PeerContext *p = cls;
 328   struct GNUNET_MQ_MessageHandler handlers[] = {
 329     GNUNET_MQ_hd_var_size (test,
 330                            MTYPE,
 331                            struct TestMessage,
 332                            NULL),
 333     GNUNET_MQ_handler_end ()
 334   };
 335
 336   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 337               "Connection to CORE service of `%s' established\n",
 338               GNUNET_i2s (my_identity));
 339   p->id = *my_identity;
 340   if (cls == &p1)
 341   {
 342     GNUNET_assert (ok == 2);
 343     OKPP;
 344     /* connect p2 */
 345     GNUNET_assert (NULL !=
 346                    (p2.ch = GNUNET_CORE_connect (p2.cfg,
 347                                                  &p2,
 348                                                  &init_notify,
 349                                                  &connect_notify,
 350                                                  &disconnect_notify,
 351                                                  handlers)));
 352   }
 353   else
 354   {
 355     GNUNET_assert (ok == 3);
 356     OKPP;
 357     GNUNET_assert (cls == &p2);
 358     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 359                 "Asking transport (1) to connect to peer `%s'\n",
 360                 GNUNET_i2s (&p2.id));
 361     p1.ats_sh = GNUNET_ATS_connectivity_suggest (p1.ats,
 362                                                  &p2.id,
 363                                                  1);
 364   }
 365 }
 366
 367
 368 static void
 369 offer_hello_done (void *cls)
 370 {
 371   struct PeerContext *p = cls;
 372
 373   p->oh = NULL;
 374 }
 375
 376
 377 static void
 378 process_hello (void *cls,
 379                const struct GNUNET_MessageHeader *message)
 380 {
 381   struct PeerContext *p = cls;
 382
 383   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 384               "Received (my) `%s' from transport service\n", "HELLO");
 385   GNUNET_assert (message != NULL);
 386   GNUNET_free_non_null (p->hello);
 387   p->hello = GNUNET_copy_message (message);
 388   if ((p == &p1) && (NULL == p2.oh))
 389     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 390                                           message,
 391                                           &offer_hello_done,
 392                                           &p2);
 393   if ((p == &p2) && (NULL == p1.oh))
 394     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 395                                           message,
 396                                           &offer_hello_done,
 397                                           &p1);
 398
 399   if ((p == &p1) && (p2.hello != NULL) && (NULL == p1.oh) )
 400     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 401                                           p2.hello,
 402                                           &offer_hello_done,
 403                                           &p1);
 404   if ((p == &p2) && (p1.hello != NULL) && (NULL == p2.oh) )
 405     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 406                                           p1.hello,
 407                                           &offer_hello_done,
 408                                           &p2);
 409 }
 410
 411
 412 static void
 413 setup_peer (struct PeerContext *p,
 414             const char *cfgname)
 415 {
 416   char *binary;
 417
 418   binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm");
 419   p->cfg = GNUNET_CONFIGURATION_create ();
 420   p->arm_proc
 421     = GNUNET_OS_start_process (GNUNET_YES,
 422                                GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
 423                                NULL, NULL, NULL,
 424                                binary,
 425                                "gnunet-service-arm",
 426                                "-c",
 427                                cfgname,
 428                                NULL);
 429   GNUNET_assert (GNUNET_OK ==
 430                  GNUNET_CONFIGURATION_load (p->cfg,
 431                                             cfgname));
 432   p->ats = GNUNET_ATS_connectivity_init (p->cfg);
 433   GNUNET_assert (NULL != p->ats);
 434   p->ghh = GNUNET_TRANSPORT_hello_get (p->cfg,
 435                                        GNUNET_TRANSPORT_AC_ANY,
 436                                        &process_hello,
 437                                        p);
 438   GNUNET_free (binary);
 439 }
 440
 441
 442 static void
 443 run (void *cls,
 444      char *const *args,
 445      const char *cfgfile,
 446      const struct GNUNET_CONFIGURATION_Handle *cfg)
 447 {
 448   struct GNUNET_MQ_MessageHandler handlers[] = {
 449     GNUNET_MQ_hd_fixed_size (test,
 450                              MTYPE,
 451                              struct TestMessage,
 452                              NULL),
 453     GNUNET_MQ_handler_end ()
 454   };
 455
 456   GNUNET_assert (ok == 1);
 457   OKPP;
 458   setup_peer (&p1,
 459               "test_core_api_peer1.conf");
 460   setup_peer (&p2,
 461               "test_core_api_peer2.conf");
 462   err_task =
 463       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 464                                     &terminate_task_error,
 465                                     NULL);
 466   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 467                                  NULL);
 468
 469   GNUNET_assert (NULL !=
 470                  (p1.ch = GNUNET_CORE_connect (p1.cfg,
 471                                                &p1,
 472                                                &init_notify,
 473                                                &connect_notify,
 474                                                &disconnect_notify,
 475                                                handlers)));
 476 }
 477
 478
 479 static void
 480 stop_arm (struct PeerContext *p)
 481 {
 482   if (0 != GNUNET_OS_process_kill (p->arm_proc,
 483                                    GNUNET_TERM_SIG))
 484     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 485                          "kill");
 486   if (GNUNET_OK != GNUNET_OS_process_wait (p->arm_proc))
 487     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 488                          "waitpid");
 489   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 490               "ARM process %u stopped\n",
 491               GNUNET_OS_process_get_pid (p->arm_proc));
 492   GNUNET_OS_process_destroy (p->arm_proc);
 493   p->arm_proc = NULL;
 494   GNUNET_CONFIGURATION_destroy (p->cfg);
 495 }
 496
 497
 498 int
 499 main (int argc,
 500       char *argv1[])
 501 {
 502   char *const argv[] = {
 503     "test-core-api-reliability",
 504     "-c",
 505     "test_core_api_data.conf",
 506     NULL
 507   };
 508   struct GNUNET_GETOPT_CommandLineOption options[] = {
 509     GNUNET_GETOPT_OPTION_END
 510   };
 511   ok = 1;
 512   GNUNET_log_setup ("test-core-api-reliability",
 513                     "WARNING",
 514                     NULL);
 515   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 516                       argv,
 517                       "test-core-api-reliability",
 518                       "nohelp",
 519                       options,
 520                       &run,
 521                       &ok);
 522   stop_arm (&p1);
 523   stop_arm (&p2);
 524   GNUNET_free_non_null (p1.hello);
 525   GNUNET_free_non_null (p2.hello);
 526   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1");
 527   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2");
 528
 529   return ok;
 530 }
 531
 532 /* end of test_core_api_reliability.c */