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
   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_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   FPRINTF (stderr,
 149            "\nThroughput was %llu kb/s\n",
 150            total_bytes * 1000000LL / 1024 / delta);
 151   GAUGER ("CORE",
 152           "Core throughput/s",
 153           total_bytes * 1000000LL / 1024 / delta,
 154           "kb/s");
 155   if (NULL != err_task)
 156   {
 157     GNUNET_SCHEDULER_cancel (err_task);
 158     err_task = NULL;
 159   }
 160   terminate_peer (&p1);
 161   terminate_peer (&p2);
 162
 163 }
 164
 165
 166 static void
 167 send_message (struct GNUNET_MQ_Handle *mq,
 168               int32_t num)
 169 {
 170   struct GNUNET_MQ_Envelope *env;
 171   struct TestMessage *hdr;
 172   unsigned int s;
 173
 174   GNUNET_assert (NULL != mq);
 175   GNUNET_assert (tr_n < TOTAL_MSGS);
 176   s = get_size (tr_n);
 177   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 178               "Sending message %u of size %u\n",
 179               tr_n,
 180               s);
 181   env = GNUNET_MQ_msg_extra (hdr,
 182                              s - sizeof (struct TestMessage),
 183                              MTYPE);
 184   hdr->num = htonl (tr_n);
 185   memset (&hdr[1],
 186           tr_n,
 187           s - sizeof (struct TestMessage));
 188   tr_n++;
 189   GNUNET_SCHEDULER_cancel (err_task);
 190   err_task =
 191       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 192                                     &terminate_task_error,
 193                                     NULL);
 194   total_bytes += s;
 195   GNUNET_MQ_send (mq,
 196                   env);
 197 }
 198
 199
 200 static void *
 201 connect_notify (void *cls,
 202                 const struct GNUNET_PeerIdentity *peer,
 203                 struct GNUNET_MQ_Handle *mq)
 204 {
 205   struct PeerContext *pc = cls;
 206
 207   if (0 == memcmp (&pc->id,
 208                    peer,
 209                    sizeof (struct GNUNET_PeerIdentity)))
 210     return (void *) peer;
 211   pc->mq = mq;
 212   GNUNET_assert (0 == pc->connect_status);
 213   pc->connect_status = 1;
 214   if (pc == &p1)
 215   {
 216     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 217                 "Encrypted connection established to peer `%s'\n",
 218                 GNUNET_i2s (peer));
 219     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 220                 "Asking core (1) for transmission to peer `%s'\n",
 221                 GNUNET_i2s (&p2.id));
 222     GNUNET_SCHEDULER_cancel (err_task);
 223     err_task =
 224         GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 225                                       &terminate_task_error,
 226                                       NULL);
 227     start_time = GNUNET_TIME_absolute_get ();
 228     send_message (mq,
 229                   0);
 230   }
 231   return (void *) peer;
 232 }
 233
 234
 235 static void
 236 disconnect_notify (void *cls,
 237                    const struct GNUNET_PeerIdentity *peer,
 238                    void *internal_cls)
 239 {
 240   struct PeerContext *pc = cls;
 241
 242   if (0 == memcmp (&pc->id,
 243                    peer,
 244                    sizeof (struct GNUNET_PeerIdentity)))
 245     return;
 246   pc->mq = NULL;
 247   pc->connect_status = 0;
 248   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 249               "Encrypted connection to `%s' cut\n",
 250               GNUNET_i2s (peer));
 251 }
 252
 253
 254 static int
 255 check_test (void *cls,
 256             const struct TestMessage *hdr)
 257 {
 258   return GNUNET_OK; /* accept all */
 259 }
 260
 261
 262 static void
 263 handle_test (void *cls,
 264              const struct TestMessage *hdr)
 265 {
 266   static int n;
 267   unsigned int s;
 268
 269   s = get_size (n);
 270   if (ntohs (hdr->header.size) != s)
 271   {
 272     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 273                 "Expected message %u of size %u, got %u bytes of message %u\n",
 274                 n,
 275                 s,
 276                 ntohs (hdr->header.size),
 277                 ntohl (hdr->num));
 278     GNUNET_SCHEDULER_cancel (err_task);
 279     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 280                                          NULL);
 281     return;
 282   }
 283   if (ntohl (hdr->num) != n)
 284   {
 285     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 286                 "Expected message %u of size %u, got %u bytes of message %u\n",
 287                 n,
 288                 s,
 289                 (unsigned int) ntohs (hdr->header.size),
 290                 (unsigned int) ntohl (hdr->num));
 291     GNUNET_SCHEDULER_cancel (err_task);
 292     err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error,
 293                                          NULL);
 294     return;
 295   }
 296   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 297               "Got message %u of size %u\n",
 298               (unsigned int) ntohl (hdr->num),
 299               (unsigned int) ntohs (hdr->header.size));
 300   n++;
 301   if (0 == (n % (TOTAL_MSGS / 100)))
 302     FPRINTF (stderr,
 303              "%s",
 304              ".");
 305   if (n == TOTAL_MSGS)
 306   {
 307     ok = 0;
 308     GNUNET_SCHEDULER_shutdown ();
 309   }
 310   else
 311   {
 312     if (n == tr_n)
 313     {
 314       send_message (p1.mq,
 315                     tr_n);
 316     }
 317   }
 318 }
 319
 320
 321 static void
 322 init_notify (void *cls,
 323              const struct GNUNET_PeerIdentity *my_identity)
 324 {
 325   struct PeerContext *p = cls;
 326   struct GNUNET_MQ_MessageHandler handlers[] = {
 327     GNUNET_MQ_hd_var_size (test,
 328                            MTYPE,
 329                            struct TestMessage,
 330                            NULL),
 331     GNUNET_MQ_handler_end ()
 332   };
 333
 334   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 335               "Connection to CORE service of `%s' established\n",
 336               GNUNET_i2s (my_identity));
 337   p->id = *my_identity;
 338   if (cls == &p1)
 339   {
 340     GNUNET_assert (ok == 2);
 341     OKPP;
 342     /* connect p2 */
 343     GNUNET_assert (NULL !=
 344                    (p2.ch = GNUNET_CORE_connect (p2.cfg,
 345                                                  &p2,
 346                                                  &init_notify,
 347                                                  &connect_notify,
 348                                                  &disconnect_notify,
 349                                                  handlers)));
 350   }
 351   else
 352   {
 353     GNUNET_assert (ok == 3);
 354     OKPP;
 355     GNUNET_assert (cls == &p2);
 356     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 357                 "Asking transport (1) to connect to peer `%s'\n",
 358                 GNUNET_i2s (&p2.id));
 359     p1.ats_sh = GNUNET_ATS_connectivity_suggest (p1.ats,
 360                                                  &p2.id,
 361                                                  1);
 362   }
 363 }
 364
 365
 366 static void
 367 offer_hello_done (void *cls)
 368 {
 369   struct PeerContext *p = cls;
 370
 371   p->oh = NULL;
 372 }
 373
 374
 375 static void
 376 process_hello (void *cls,
 377                const struct GNUNET_MessageHeader *message)
 378 {
 379   struct PeerContext *p = cls;
 380
 381   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 382               "Received (my) `%s' from transport service\n", "HELLO");
 383   GNUNET_assert (message != NULL);
 384   GNUNET_free_non_null (p->hello);
 385   p->hello = GNUNET_copy_message (message);
 386   if ((p == &p1) && (NULL == p2.oh))
 387     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 388                                           message,
 389                                           &offer_hello_done,
 390                                           &p2);
 391   if ((p == &p2) && (NULL == p1.oh))
 392     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 393                                           message,
 394                                           &offer_hello_done,
 395                                           &p1);
 396
 397   if ((p == &p1) && (p2.hello != NULL) && (NULL == p1.oh) )
 398     p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg,
 399                                           p2.hello,
 400                                           &offer_hello_done,
 401                                           &p1);
 402   if ((p == &p2) && (p1.hello != NULL) && (NULL == p2.oh) )
 403     p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg,
 404                                           p1.hello,
 405                                           &offer_hello_done,
 406                                           &p2);
 407 }
 408
 409
 410 static void
 411 setup_peer (struct PeerContext *p,
 412             const char *cfgname)
 413 {
 414   char *binary;
 415
 416   binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm");
 417   p->cfg = GNUNET_CONFIGURATION_create ();
 418   p->arm_proc
 419     = GNUNET_OS_start_process (GNUNET_YES,
 420                                GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
 421                                NULL, NULL, NULL,
 422                                binary,
 423                                "gnunet-service-arm",
 424                                "-c",
 425                                cfgname,
 426                                NULL);
 427   GNUNET_assert (GNUNET_OK ==
 428                  GNUNET_CONFIGURATION_load (p->cfg,
 429                                             cfgname));
 430   p->ats = GNUNET_ATS_connectivity_init (p->cfg);
 431   GNUNET_assert (NULL != p->ats);
 432   p->ghh = GNUNET_TRANSPORT_hello_get (p->cfg,
 433                                        GNUNET_TRANSPORT_AC_ANY,
 434                                        &process_hello,
 435                                        p);
 436   GNUNET_free (binary);
 437 }
 438
 439
 440 static void
 441 run (void *cls,
 442      char *const *args,
 443      const char *cfgfile,
 444      const struct GNUNET_CONFIGURATION_Handle *cfg)
 445 {
 446   struct GNUNET_MQ_MessageHandler handlers[] = {
 447     GNUNET_MQ_hd_fixed_size (test,
 448                              MTYPE,
 449                              struct TestMessage,
 450                              NULL),
 451     GNUNET_MQ_handler_end ()
 452   };
 453
 454   GNUNET_assert (ok == 1);
 455   OKPP;
 456   setup_peer (&p1,
 457               "test_core_api_peer1.conf");
 458   setup_peer (&p2,
 459               "test_core_api_peer2.conf");
 460   err_task =
 461       GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 462                                     &terminate_task_error,
 463                                     NULL);
 464   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 465                                  NULL);
 466
 467   GNUNET_assert (NULL !=
 468                  (p1.ch = GNUNET_CORE_connect (p1.cfg,
 469                                                &p1,
 470                                                &init_notify,
 471                                                &connect_notify,
 472                                                &disconnect_notify,
 473                                                handlers)));
 474 }
 475
 476
 477 static void
 478 stop_arm (struct PeerContext *p)
 479 {
 480   if (0 != GNUNET_OS_process_kill (p->arm_proc,
 481                                    GNUNET_TERM_SIG))
 482     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 483                          "kill");
 484   if (GNUNET_OK != GNUNET_OS_process_wait (p->arm_proc))
 485     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
 486                          "waitpid");
 487   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 488               "ARM process %u stopped\n",
 489               GNUNET_OS_process_get_pid (p->arm_proc));
 490   GNUNET_OS_process_destroy (p->arm_proc);
 491   p->arm_proc = NULL;
 492   GNUNET_CONFIGURATION_destroy (p->cfg);
 493 }
 494
 495
 496 int
 497 main (int argc,
 498       char *argv1[])
 499 {
 500   char *const argv[] = {
 501     "test-core-api-reliability",
 502     "-c",
 503     "test_core_api_data.conf",
 504     NULL
 505   };
 506   struct GNUNET_GETOPT_CommandLineOption options[] = {
 507     GNUNET_GETOPT_OPTION_END
 508   };
 509   ok = 1;
 510   GNUNET_log_setup ("test-core-api-reliability",
 511                     "WARNING",
 512                     NULL);
 513   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 514                       argv,
 515                       "test-core-api-reliability",
 516                       "nohelp",
 517                       options,
 518                       &run,
 519                       &ok);
 520   stop_arm (&p1);
 521   stop_arm (&p2);
 522   GNUNET_free_non_null (p1.hello);
 523   GNUNET_free_non_null (p2.hello);
 524   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1");
 525   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2");
 526
 527   return ok;
 528 }
 529
 530 /* end of test_core_api_reliability.c */