src/transport/test_transport_api_reliability.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009, 2010 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 transport/test_transport_api_reliability.c
  22  * @brief base test case for transport implementations
  23  *
  24  * This test case serves as a base for tcp and http
  25  * transport test cases to check that the transports
  26  * achieve reliable message delivery.
  27  */
  28 #include "platform.h"
  29 #include "gnunet_common.h"
  30 #include "gnunet_hello_lib.h"
  31 #include "gnunet_getopt_lib.h"
  32 #include "gnunet_os_lib.h"
  33 #include "gnunet_program_lib.h"
  34 #include "gnunet_scheduler_lib.h"
  35 #include "gnunet_server_lib.h"
  36 #include "gnunet_transport_service.h"
  37 #include "transport.h"
  38
  39 #define VERBOSE GNUNET_NO
  40
  41 #define VERBOSE_ARM GNUNET_NO
  42
  43 #define START_ARM GNUNET_YES
  44
  45 /**
  46  * Note that this value must not significantly exceed
  47  * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
  48  * messages may be dropped even for a reliable transport.
  49  */
  50 #define TOTAL_MSGS (60000 * 2)
  51
  52 /**
  53  * How long until we give up on transmitting the message?
  54  */
  55 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 150)
  56
  57 #define MTYPE 12345
  58
  59 struct PeerContext
  60 {
  61   struct GNUNET_CONFIGURATION_Handle *cfg;
  62   struct GNUNET_TRANSPORT_Handle *th;
  63   struct GNUNET_PeerIdentity id;
  64 #if START_ARM
  65   pid_t arm_pid;
  66 #endif
  67 };
  68
  69 static struct PeerContext p1;
  70
  71 static struct PeerContext p2;
  72
  73 static struct GNUNET_SCHEDULER_Handle *sched;
  74
  75 static int ok;
  76
  77 static int is_tcp;
  78
  79 static int is_tcp_nat;
  80
  81 static int is_http;
  82
  83 static int is_https;
  84
  85 static int is_udp;
  86
  87 static int connected;
  88
  89 static unsigned long long total_bytes;
  90
  91 static struct GNUNET_TIME_Absolute start_time;
  92
  93 static GNUNET_SCHEDULER_TaskIdentifier die_task;
  94
  95 static char * key_file_p1;
  96 static char * cert_file_p1;
  97
  98 static char * key_file_p2;
  99 static char * cert_file_p2;
 100
 101
 102 #if VERBOSE
 103 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
 104 #else
 105 #define OKPP do { ok++; } while (0)
 106 #endif
 107
 108
 109 static void
 110 end ()
 111 {
 112   unsigned long long delta;
 113
 114   GNUNET_SCHEDULER_cancel (sched, die_task);
 115   die_task = GNUNET_SCHEDULER_NO_TASK;
 116 #if VERBOSE
 117   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
 118 #endif
 119   GNUNET_TRANSPORT_disconnect (p1.th);
 120   GNUNET_TRANSPORT_disconnect (p2.th);
 121 #if VERBOSE
 122   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 123               "Transports disconnected, returning success!\n");
 124 #endif
 125   delta = GNUNET_TIME_absolute_get_duration (start_time).value;
 126   fprintf (stderr,
 127            "\nThroughput was %llu kb/s\n",
 128            total_bytes * 1000 / 1024 / delta);
 129   ok = 0;
 130
 131 }
 132
 133
 134
 135 static void
 136 stop_arm (struct PeerContext *p)
 137 {
 138 #if START_ARM
 139   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 140     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 141   GNUNET_OS_process_wait (p->arm_pid);
 142 #endif
 143   GNUNET_CONFIGURATION_destroy (p->cfg);
 144 }
 145
 146
 147 static void
 148 end_badly (void *cls,
 149            const struct GNUNET_SCHEDULER_TaskContext *tc)
 150 {
 151   GNUNET_break (0);
 152   GNUNET_TRANSPORT_disconnect (p1.th);
 153   GNUNET_TRANSPORT_disconnect (p2.th);
 154   ok = 1;
 155 }
 156
 157
 158 struct TestMessage
 159 {
 160   struct GNUNET_MessageHeader header;
 161   uint32_t num;
 162 };
 163
 164
 165 static unsigned int
 166 get_size (unsigned int iter)
 167 {
 168   unsigned int ret;
 169
 170   if (iter < 60000)
 171     return iter + sizeof (struct TestMessage);
 172   ret = (iter * iter * iter);
 173   return sizeof (struct TestMessage) + (ret % 60000);
 174 }
 175
 176
 177 static void
 178 notify_receive (void *cls,
 179                 const struct GNUNET_PeerIdentity *peer,
 180                 const struct GNUNET_MessageHeader *message,
 181                 struct GNUNET_TIME_Relative latency,
 182                 uint32_t distance)
 183 {
 184   static int n;
 185   unsigned int s;
 186   char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
 187   const struct TestMessage *hdr;
 188
 189   hdr = (const struct TestMessage*) message;
 190   s = get_size (n);
 191   if (MTYPE != ntohs (message->type))
 192     return;
 193   if (ntohs (message->size) != s)
 194     {
 195       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 196                   "Expected message %u of size %u, got %u bytes of message %u\n",
 197                   n, s,
 198                   ntohs (message->size),
 199                   ntohl (hdr->num));
 200       GNUNET_SCHEDULER_cancel (sched, die_task);
 201       die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
 202       return;
 203     }
 204   if (ntohl (hdr->num) != n)
 205     {
 206       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 207                   "Expected message %u of size %u, got %u bytes of message %u\n",
 208                   n, s,
 209                   ntohs (message->size),
 210                   ntohl (hdr->num));
 211       GNUNET_SCHEDULER_cancel (sched, die_task);
 212       die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
 213       return;
 214     }
 215   memset (cbuf, n, s - sizeof (struct TestMessage));
 216   if (0 != memcmp (cbuf,
 217                    &hdr[1],
 218                    s - sizeof (struct TestMessage)))
 219     {
 220       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 221                   "Expected message %u with bits %u, but body did not match\n",
 222                   n, (unsigned char) n);
 223       GNUNET_SCHEDULER_cancel (sched, die_task);
 224       die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
 225       return;
 226     }
 227 #if VERBOSE
 228   if (ntohl(hdr->num) % 5000 == 0)
 229     {
 230       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 231                   "Got message %u of size %u\n",
 232                   ntohl (hdr->num),
 233                   ntohs (message->size));
 234     }
 235 #endif
 236   n++;
 237   if (0 == (n % (TOTAL_MSGS/100)))
 238     {
 239       fprintf (stderr, ".");
 240       GNUNET_SCHEDULER_cancel (sched, die_task);
 241       die_task = GNUNET_SCHEDULER_add_delayed (sched,
 242                                                TIMEOUT,
 243                                                &end_badly,
 244                                                NULL);
 245     }
 246   if (n == TOTAL_MSGS)
 247     end ();
 248 }
 249
 250
 251 static size_t
 252 notify_ready (void *cls, size_t size, void *buf)
 253 {
 254   static int n;
 255   char *cbuf = buf;
 256   struct TestMessage hdr;
 257   unsigned int s;
 258   unsigned int ret;
 259
 260   if (buf == NULL)
 261     {
 262       GNUNET_break (0);
 263       ok = 42;
 264       return 0;
 265     }
 266   ret = 0;
 267   s = get_size (n);
 268   GNUNET_assert (size >= s);
 269   GNUNET_assert (buf != NULL);
 270   cbuf = buf;
 271   do
 272     {
 273       hdr.header.size = htons (s);
 274       hdr.header.type = htons (MTYPE);
 275       hdr.num = htonl (n);
 276       memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
 277       ret += sizeof (struct TestMessage);
 278       memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
 279       ret += s - sizeof (struct TestMessage);
 280 #if VERBOSE
 281       if (n % 5000 == 0)
 282         {
 283           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 284                       "Sending message %u of size %u\n",
 285                       n,
 286                       s);
 287         }
 288 #endif
 289       n++;
 290       s = get_size (n);
 291       if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
 292         break; /* sometimes pack buffer full, sometimes not */
 293     }
 294   while (size - ret >= s);
 295   if (n < TOTAL_MSGS)
 296     GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
 297                                             &p2.id,
 298                                             s, 0, TIMEOUT,
 299                                             &notify_ready,
 300                                             NULL);
 301   if (n % 5000 == 0)
 302     {
 303       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 304                   "Returning total message block of size %u\n",
 305                   ret);
 306     }
 307   total_bytes += ret;
 308   return ret;
 309 }
 310
 311
 312 static void
 313 notify_connect (void *cls,
 314                 const struct GNUNET_PeerIdentity *peer,
 315                 struct GNUNET_TIME_Relative latency,
 316                 uint32_t distance)
 317 {
 318   if (cls == &p1)
 319     {
 320       GNUNET_TRANSPORT_set_quota (p1.th,
 321                                   &p2.id,
 322                                   GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
 323                                   GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
 324                                   GNUNET_TIME_UNIT_FOREVER_REL,
 325                                   NULL, NULL);
 326       start_time = GNUNET_TIME_absolute_get ();
 327       connected++;
 328     }
 329   else
 330     {
 331       GNUNET_TRANSPORT_set_quota (p2.th,
 332                                   &p1.id,
 333                                   GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
 334                                   GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
 335                                   GNUNET_TIME_UNIT_FOREVER_REL,
 336                                   NULL, NULL);
 337       connected++;
 338     }
 339
 340   if (connected == 2)
 341     {
 342       GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
 343                                               &p2.id,
 344                                               get_size (0), 0, TIMEOUT,
 345                                               &notify_ready,
 346                                               NULL);
 347     }
 348 #if VERBOSE
 349   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 350               "Peer `%4s' connected to us (%p)!\n", GNUNET_i2s (peer), cls);
 351 #endif
 352 }
 353
 354
 355 static void
 356 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
 357 {
 358 #if VERBOSE
 359   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 360               "Peer `%4s' disconnected (%p)!\n",
 361               GNUNET_i2s (peer), cls);
 362 #endif
 363 }
 364
 365
 366 static void
 367 setup_peer (struct PeerContext *p, const char *cfgname)
 368 {
 369   p->cfg = GNUNET_CONFIGURATION_create ();
 370 #if START_ARM
 371   p->arm_pid = GNUNET_OS_start_process (NULL, NULL,
 372                                         "gnunet-service-arm",
 373                                         "gnunet-service-arm",
 374 #if VERBOSE_ARM
 375                                         "-L", "DEBUG",
 376 #endif
 377                                         "-c", cfgname, NULL);
 378 #endif
 379   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 380
 381   if (is_https)
 382   {
 383           struct stat sbuf;
 384           if (p==&p1)
 385           {
 386                   if (GNUNET_CONFIGURATION_have_value (p->cfg,
 387                                                                                            "transport-https", "KEY_FILE"))
 388                                 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
 389                   else
 390                           GNUNET_asprintf(&key_file_p1,"https.key");
 391                   if (0 == stat (key_file_p1, &sbuf ))
 392                   {
 393                           if (0 == remove(key_file_p1))
 394                               GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing private key file `%s'\n",key_file_p1);
 395                           else
 396                                   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove private key file `%s'\n",key_file_p1);
 397                   }
 398                   if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
 399                           GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
 400                   else
 401                           GNUNET_asprintf(&cert_file_p1,"https.cert");
 402                   if (0 == stat (cert_file_p1, &sbuf ))
 403                   {
 404                           if (0 == remove(cert_file_p1))
 405                               GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
 406                           else
 407                                   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove existing certificate file `%s'\n",cert_file_p1);
 408                   }
 409           }
 410           else if (p==&p2)
 411           {
 412                   if (GNUNET_CONFIGURATION_have_value (p->cfg,
 413                                                                                            "transport-https", "KEY_FILE"))
 414                                 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
 415                   else
 416                           GNUNET_asprintf(&key_file_p2,"https.key");
 417                   if (0 == stat (key_file_p2, &sbuf ))
 418                   {
 419                           if (0 == remove(key_file_p2))
 420                               GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing private key file `%s'\n",key_file_p2);
 421                           else
 422                                   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove private key file `%s'\n",key_file_p2);
 423                   }
 424                   if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
 425                           GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
 426                   else
 427                           GNUNET_asprintf(&cert_file_p2,"https.cert");
 428                   if (0 == stat (cert_file_p2, &sbuf ))
 429                   {
 430                           if (0 == remove(cert_file_p2))
 431                               GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
 432                           else
 433                                   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove existing certificate file `%s'\n",cert_file_p2);
 434                   }
 435           }
 436   }
 437
 438   p->th = GNUNET_TRANSPORT_connect (sched, p->cfg, NULL,
 439                                     p,
 440                                     &notify_receive,
 441                                     &notify_connect,
 442                                     &notify_disconnect);
 443   GNUNET_assert (p->th != NULL);
 444 }
 445
 446
 447 static void
 448 exchange_hello_last (void *cls,
 449                      const struct GNUNET_MessageHeader *message)
 450 {
 451   struct PeerContext *me = cls;
 452
 453   GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, me);
 454 #if VERBOSE
 455   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 456               "Exchanging HELLO with peer (%p)!\n", cls);
 457 #endif
 458   GNUNET_assert (ok >= 3);
 459   OKPP;
 460   GNUNET_assert (message != NULL);
 461   GNUNET_assert (GNUNET_OK ==
 462                  GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
 463                                       message, &me->id));
 464   /* both HELLOs exchanged, get ready to test transmission! */
 465   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 466               "Finished exchanging HELLOs, now waiting for transmission!\n");
 467 }
 468
 469
 470 static void
 471 exchange_hello (void *cls,
 472                 const struct GNUNET_MessageHeader *message)
 473 {
 474   struct PeerContext *me = cls;
 475
 476   GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, me);
 477 #if VERBOSE
 478   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 479               "Exchanging HELLO with peer (%p)!\n", cls);
 480 #endif
 481   GNUNET_assert (ok >= 2);
 482   OKPP;
 483   GNUNET_assert (message != NULL);
 484   GNUNET_assert (GNUNET_OK ==
 485                  GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
 486                                       message, &me->id));
 487
 488 #if VERBOSE
 489   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 490               "Received HELLO size %d\n",
 491               GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message));
 492 #endif
 493   GNUNET_TRANSPORT_offer_hello (p2.th, message);
 494   GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
 495 }
 496
 497
 498 static void
 499 run (void *cls,
 500      struct GNUNET_SCHEDULER_Handle *s,
 501      char *const *args,
 502      const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
 503 {
 504   GNUNET_assert (ok == 1);
 505   OKPP;
 506   sched = s;
 507   die_task = GNUNET_SCHEDULER_add_delayed (sched,
 508                                            TIMEOUT,
 509                                            &end_badly,
 510                                            NULL);
 511   if (is_tcp)
 512     {
 513       setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
 514       setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
 515     }
 516   else if (is_http)
 517     {
 518       setup_peer (&p1, "test_transport_api_rel_http_peer1.conf");
 519       setup_peer (&p2, "test_transport_api_rel_http_peer2.conf");
 520     }
 521   else if (is_https)
 522     {
 523       setup_peer (&p1, "test_transport_api_rel_https_peer1.conf");
 524       setup_peer (&p2, "test_transport_api_rel_https_peer2.conf");
 525     }
 526   else if (is_udp)
 527     {
 528       setup_peer (&p1, "test_transport_api_udp_peer1.conf");
 529       setup_peer (&p2, "test_transport_api_udp_peer2.conf");
 530     }
 531   else if (is_tcp_nat)
 532     {
 533       setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
 534       setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
 535     }
 536   else
 537     GNUNET_assert (0);
 538   GNUNET_assert(p1.th != NULL);
 539   GNUNET_assert(p2.th != NULL);
 540   GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
 541 }
 542
 543
 544 static int
 545 check ()
 546 {
 547   char *const argv[] = { "test-transport-api-reliability",
 548     "-c",
 549     "test_transport_api_data.conf",
 550 #if VERBOSE
 551     "-L", "DEBUG",
 552 #endif
 553     NULL
 554   };
 555   struct GNUNET_GETOPT_CommandLineOption options[] = {
 556     GNUNET_GETOPT_OPTION_END
 557   };
 558
 559 #if WRITECONFIG
 560   setTransportOptions("test_transport_api_data.conf");
 561 #endif
 562   ok = 1;
 563   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 564                       argv, "test-transport-api-reliability", "nohelp",
 565                       options, &run, &ok);
 566   stop_arm (&p1);
 567   stop_arm (&p2);
 568
 569   if (is_https)
 570   {
 571           struct stat sbuf;
 572           if (0 == stat (cert_file_p1, &sbuf ))
 573           {
 574                   if (0 == remove(cert_file_p1))
 575                           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
 576                   else
 577                           GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p1);
 578           }
 579
 580           if (0 == stat (key_file_p1, &sbuf ))
 581           {
 582                   if (0 == remove(key_file_p1))
 583                           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p1);
 584                   else
 585                           GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p1);
 586           }
 587
 588           if (0 == stat (cert_file_p2, &sbuf ))
 589           {
 590                   if (0 == remove(cert_file_p2))
 591                           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
 592                   else
 593                           GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p2);
 594           }
 595
 596           if (0 == stat (key_file_p2, &sbuf ))
 597           {
 598                   if (0 == remove(key_file_p2))
 599                           GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p2);
 600                   else
 601                           GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p2);
 602           }
 603           GNUNET_free(key_file_p1);
 604           GNUNET_free(key_file_p2);
 605           GNUNET_free(cert_file_p1);
 606           GNUNET_free(cert_file_p2);
 607   }
 608
 609   return ok;
 610 }
 611
 612
 613 int
 614 main (int argc, char *argv[])
 615 {
 616   int ret;
 617 #ifdef MINGW
 618   return GNUNET_SYSERR;
 619 #endif
 620   if (strstr(argv[0], "tcp_nat") != NULL)
 621     {
 622       is_tcp_nat = GNUNET_YES;
 623     }
 624   else if (strstr(argv[0], "tcp") != NULL)
 625     {
 626       is_tcp = GNUNET_YES;
 627     }
 628   else if (strstr(argv[0], "https") != NULL)
 629     {
 630       is_https = GNUNET_YES;
 631     }
 632   else if (strstr(argv[0], "http") != NULL)
 633     {
 634       is_http = GNUNET_YES;
 635     }
 636   else if (strstr(argv[0], "udp") != NULL)
 637     {
 638       is_udp = GNUNET_YES;
 639     }
 640   GNUNET_log_setup ("test-transport-api-reliability",
 641 #if VERBOSE
 642                     "DEBUG",
 643 #else
 644                     "WARNING",
 645 #endif
 646                     NULL);
 647   ret = check ();
 648   GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-1");
 649   GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-2");
 650   return ret;
 651 }
 652
 653 /* end of test_transport_api_reliability.c */