2 This file is part of GNUnet.
3 (C) 2009, 2010 Christian Grothoff (and other contributing authors)
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.
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.
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.
21 * @file transport/test_transport_api_unreliability.c
22 * @brief test case for transports; ensures messages get
23 * through, regardless of order
25 * This test case serves as a base for unreliable
26 * transport test cases to check that the transports
27 * achieve reliable message delivery.
30 #include "gnunet_common.h"
31 #include "gnunet_hello_lib.h"
32 #include "gnunet_getopt_lib.h"
33 #include "gnunet_os_lib.h"
34 #include "gnunet_program_lib.h"
35 #include "gnunet_scheduler_lib.h"
36 #include "gnunet_server_lib.h"
37 #include "gnunet_transport_service.h"
39 #include "transport.h"
40 #include "transport-testing.h"
42 #define VERBOSE GNUNET_NO
44 #define VERBOSE_ARM GNUNET_NO
46 #define START_ARM GNUNET_YES
49 * Note that this value must not significantly exceed
50 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
51 * messages may be dropped even for a reliable transport.
53 #define TOTAL_MSGS (80000 * 3) /* Total messages should be divisible by 8, so we can make a nice bitmap */
56 * How long until we give up on transmitting the message?
58 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500)
60 #define UNRELIABLE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
64 static struct PeerContext p1;
66 static struct PeerContext p2;
72 static int is_tcp_nat;
86 static unsigned long long total_bytes;
88 static struct GNUNET_TIME_Absolute start_time;
90 static GNUNET_SCHEDULER_TaskIdentifier die_task;
92 static GNUNET_SCHEDULER_TaskIdentifier tct;
94 struct GNUNET_TRANSPORT_TransmitHandle * th_p2;
96 static char *key_file_p1;
97 static char *cert_file_p1;
99 static char *key_file_p2;
100 static char *cert_file_p2;
102 static char *test_name;
104 static char bitmap[TOTAL_MSGS / 8];
106 static int msg_scheduled;
108 static int msg_recv_expected;
111 static int p1_hello_canceled;
112 static int p2_hello_canceled;
114 static int test_failed;
117 * Sets a bit active in the bitmap.
119 * @param bitIdx which bit to set
122 set_bit (unsigned int bitIdx)
125 unsigned int targetBit;
126 if (bitIdx >= sizeof(bitmap) * 8)
128 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "tried to set bit %d of %d(!?!?)\n", bitIdx, sizeof(bitmap) * 8);
131 arraySlot = bitIdx / 8;
132 targetBit = (1L << (bitIdx % 8));
133 bitmap[arraySlot] |= targetBit;
137 * Obtain a bit from bitmap.
138 * @param map the bitmap
139 * @param bit index from bitmap
141 * @return Bit \a bit from hashcode \a code
144 get_bit (const char *map, unsigned int bit)
146 if (bit >= TOTAL_MSGS)
148 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "get bit %d of %d(!?!?)\n", bit, sizeof(bitmap) * 8);
151 return ((map)[bit >> 3] & (1 << (bit & 7))) > 0;
157 unsigned long long delta;
163 for (i = 0; i < TOTAL_MSGS; i++)
165 if (get_bit(bitmap, i) == 0)
167 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Did not receive message %d\n", i);
172 if (GNUNET_SCHEDULER_NO_TASK != die_task)
173 GNUNET_SCHEDULER_cancel (die_task);
174 die_task = GNUNET_SCHEDULER_NO_TASK;
176 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
179 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
182 GNUNET_TRANSPORT_disconnect (p1.th);
183 GNUNET_TRANSPORT_disconnect (p2.th);
185 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
186 "Transports disconnected, returning success!\n");
188 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
189 GNUNET_asprintf(&value_name, "unreliable_%s", test_name);
190 GAUGER ("TRANSPORT", value_name, (int)(total_bytes * 1000 / 1024 /delta), "kb/s");
191 GNUNET_free(value_name);
193 "\nThroughput was %llu kb/s\n",
194 total_bytes * 1000 / 1024 / delta);
202 unsigned long long delta;
207 for (i = 0; i < TOTAL_MSGS; i++)
209 if (get_bit(bitmap, i) == 0)
211 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Did not receive message %d\n", i);
216 die_task = GNUNET_SCHEDULER_NO_TASK;
218 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
221 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
223 GNUNET_TRANSPORT_disconnect (p1.th);
224 GNUNET_TRANSPORT_disconnect (p2.th);
226 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
227 "Transports disconnected, returning success!\n");
229 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
231 "\nThroughput was %llu kb/s\n",
232 total_bytes * 1000 / 1024 / delta);
233 GNUNET_asprintf(&value_name, "unreliable_%s", test_name);
234 GAUGER ("TRANSPORT", value_name, (int)(total_bytes * 1000 / 1024 /delta), "kb/s");
235 GNUNET_free(value_name);
236 GNUNET_asprintf(&value_name, "unreliable_failed_%s", test_name);
237 GAUGER ("TRANSPORT", value_name, (int)num_failed, "msgs");
238 GNUNET_free(value_name);
239 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Had %d failed messages!\n", num_failed);
247 stop_arm (struct PeerContext *p)
250 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
251 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
252 GNUNET_OS_process_wait (p->arm_proc);
253 GNUNET_OS_process_close (p->arm_proc);
256 GNUNET_CONFIGURATION_destroy (p->cfg);
261 end_badly (void *cls,
262 const struct GNUNET_SCHEDULER_TaskContext *tc)
264 if (test_failed == GNUNET_NO)
265 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
266 "Testcase timeout\n");
268 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
269 "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
275 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
279 GNUNET_TRANSPORT_disconnect (p1.th);
280 GNUNET_TRANSPORT_disconnect (p2.th);
281 if (GNUNET_SCHEDULER_NO_TASK != tct)
283 GNUNET_SCHEDULER_cancel (tct);
284 tct = GNUNET_SCHEDULER_NO_TASK;
293 struct GNUNET_MessageHeader header;
299 get_size (unsigned int iter)
304 return iter + sizeof (struct TestMessage);
305 ret = (iter * iter * iter);
306 return sizeof (struct TestMessage) + (ret % 60000);
311 notify_receive (void *cls,
312 const struct GNUNET_PeerIdentity *peer,
313 const struct GNUNET_MessageHeader *message,
314 const struct GNUNET_TRANSPORT_ATS_Information *ats,
319 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
320 const struct TestMessage *hdr;
322 hdr = (const struct TestMessage*) message;
324 if (MTYPE != ntohs (message->type))
326 msg_recv_expected = n;
327 msg_recv = ntohl(hdr->num);
328 s = get_size (ntohl(hdr->num));
330 if (ntohs (message->size) != s)
332 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
333 "Expected message %u of size %u, got %u bytes of message %u\n",
335 ntohs (message->size),
337 if (GNUNET_SCHEDULER_NO_TASK != die_task)
338 GNUNET_SCHEDULER_cancel (die_task);
339 test_failed = GNUNET_YES;
340 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
344 memset (cbuf, ntohl(hdr->num), s - sizeof (struct TestMessage));
345 if (0 != memcmp (cbuf,
347 s - sizeof (struct TestMessage)))
349 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
350 "Expected message %u with bits %u, but body did not match\n",
351 ntohl(hdr->num), (unsigned char) n);
352 if (GNUNET_SCHEDULER_NO_TASK != die_task)
353 GNUNET_SCHEDULER_cancel (die_task);
354 test_failed = GNUNET_YES;
355 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
359 if (ntohl(hdr->num) % 5 == 0)
361 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
362 "Got message %u of size %u\n",
364 ntohs (message->size));
368 set_bit(ntohl(hdr->num));
369 if (0 == (n % (5000)))
371 fprintf (stderr, ".");
372 if (GNUNET_SCHEDULER_NO_TASK != die_task)
373 GNUNET_SCHEDULER_cancel (die_task);
374 test_failed = GNUNET_YES;
375 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
385 notify_ready (void *cls, size_t size, void *buf)
389 struct TestMessage hdr;
403 GNUNET_assert (size >= s);
404 GNUNET_assert (buf != NULL);
408 hdr.header.size = htons (s);
409 hdr.header.type = htons (MTYPE);
412 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
413 ret += sizeof (struct TestMessage);
414 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
415 ret += s - sizeof (struct TestMessage);
419 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
420 "Sending message %u of size %u\n",
427 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
428 break; /* sometimes pack buffer full, sometimes not */
430 while (size - ret >= s);
433 th_p2 = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
442 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "All messages scheduled to be sent!!\n");
443 if (GNUNET_SCHEDULER_NO_TASK != die_task)
444 GNUNET_SCHEDULER_cancel(die_task);
445 die_task = GNUNET_SCHEDULER_add_delayed (UNRELIABLE_TIMEOUT, &end_unreliably, NULL);
449 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
450 "Returning total message block of size %u\n",
460 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
464 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
465 "Peer `%4s' disconnected (%p)!\n",
466 GNUNET_i2s (peer), cls);
469 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
475 exchange_hello_last (void *cls,
476 const struct GNUNET_MessageHeader *message)
478 struct PeerContext *me = cls;
480 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
481 "Exchanging HELLO of size %d with peer (%s)!\n",
482 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
483 GNUNET_i2s (&me->id));
484 GNUNET_assert (message != NULL);
485 GNUNET_assert (GNUNET_OK ==
486 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
488 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
494 exchange_hello (void *cls,
495 const struct GNUNET_MessageHeader *message)
497 struct PeerContext *me = cls;
499 GNUNET_assert (message != NULL);
500 GNUNET_assert (GNUNET_OK ==
501 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
503 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
504 "Exchanging HELLO of size %d from peer %s!\n",
505 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
506 GNUNET_i2s (&me->id));
507 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
512 notify_connect (void *cls,
513 const struct GNUNET_PeerIdentity *peer,
514 const struct GNUNET_TRANSPORT_ATS_Information *ats,
517 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
518 "Peer `%4s' connected to us (%p)!\n",
523 GNUNET_TRANSPORT_set_quota (p1.th,
525 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
526 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
527 start_time = GNUNET_TIME_absolute_get ();
532 GNUNET_TRANSPORT_set_quota (p2.th,
534 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
535 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
540 if (GNUNET_SCHEDULER_NO_TASK != die_task)
542 GNUNET_SCHEDULER_cancel (die_task);
544 if (GNUNET_SCHEDULER_NO_TASK != tct)
546 GNUNET_SCHEDULER_cancel (tct);
547 tct = GNUNET_SCHEDULER_NO_TASK;
549 if (p2_hello_canceled == GNUNET_NO)
551 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
552 p2_hello_canceled = GNUNET_YES;
554 if (p1_hello_canceled == GNUNET_NO)
556 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
557 p1_hello_canceled = GNUNET_YES;
560 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
562 GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
564 get_size (0), 0, TIMEOUT,
573 setup_peer (struct PeerContext *p, const char *cfgname)
575 p->cfg = GNUNET_CONFIGURATION_create ();
577 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
578 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
579 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
580 GNUNET_DISK_directory_remove (p->servicehome);
584 p->arm_proc = GNUNET_OS_start_process (NULL, NULL,
585 "gnunet-service-arm",
586 "gnunet-service-arm",
590 "-c", cfgname, NULL);
593 p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL,
598 GNUNET_assert (p->th != NULL);
603 * Return the actual path to a file found in the current
604 * PATH environment variable.
606 * @param binary the name of the file to find
609 get_path_from_PATH (char *binary)
620 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
621 _("PATH environment variable is unset.\n"));
624 path = GNUNET_strdup (p); /* because we write on it */
625 buf = GNUNET_malloc (strlen (path) + 20);
628 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
631 sprintf (buf, "%s/%s", pos, binary);
632 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
639 sprintf (buf, "%s/%s", pos, binary);
640 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
651 * Check whether the suid bit is set on a file.
652 * Attempts to find the file using the current
653 * PATH environment variable as a search path.
655 * @param binary the name of the file to check
657 * @return GNUNET_YES if the binary is found and
658 * can be run properly, GNUNET_NO otherwise
661 check_gnunet_nat_binary(char *binary)
671 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
672 p = get_path_from_PATH (binaryexe);
675 p = get_path_from_PATH (binary);
679 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
680 _("Could not find binary `%s' in PATH!\n"),
684 if (0 != STAT (p, &statbuf))
686 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
687 _("stat (%s) failed: %s\n"),
691 return GNUNET_SYSERR;
695 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
696 (statbuf.st_uid == 0) )
700 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
701 if (INVALID_SOCKET == rawsock)
703 DWORD err = GetLastError ();
704 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
705 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
706 return GNUNET_NO; /* not running as administrator */
708 closesocket (rawsock);
715 try_connect (void *cls,
716 const struct GNUNET_SCHEDULER_TaskContext *tc)
718 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
719 "Asking peers to connect...\n");
720 GNUNET_TRANSPORT_try_connect (p2.th,
722 GNUNET_TRANSPORT_try_connect (p1.th,
724 tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
734 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
736 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
741 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
742 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
746 setup_peer (&p1, "test_transport_api_rel_http_peer1.conf");
747 setup_peer (&p2, "test_transport_api_rel_http_peer2.conf");
751 setup_peer (&p1, "test_transport_api_rel_https_peer1.conf");
752 setup_peer (&p2, "test_transport_api_rel_https_peer2.conf");
756 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
757 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
761 setup_peer (&p1, "test_transport_api_unix_peer1.conf");
762 setup_peer (&p2, "test_transport_api_unix_peer2.conf");
766 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
767 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
771 setup_peer (&p1, "test_transport_api_wlan_peer1.conf");
772 setup_peer (&p2, "test_transport_api_wlan_peer2.conf");
776 GNUNET_assert(p1.th != NULL);
777 GNUNET_assert(p2.th != NULL);
778 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
779 p1_hello_canceled = GNUNET_NO;
780 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
781 p2_hello_canceled = GNUNET_NO;
782 tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
789 char *const argv[] = { "test-transport-api-unreliability",
791 "test_transport_api_data.conf",
797 struct GNUNET_GETOPT_CommandLineOption options[] = {
798 GNUNET_GETOPT_OPTION_END
802 setTransportOptions("test_transport_api_data.conf");
806 if ((GNUNET_YES == is_tcp_nat) && (check_gnunet_nat_binary("gnunet-nat-server") != GNUNET_YES))
808 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Not running NAT test case, binaries not properly installed.\n");
812 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
813 argv, "test-transport-api-unreliability", "nohelp",
821 if (0 == stat (cert_file_p1, &sbuf ))
823 if (0 == remove(cert_file_p1))
824 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
826 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p1);
829 if (0 == stat (key_file_p1, &sbuf ))
831 if (0 == remove(key_file_p1))
832 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p1);
834 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p1);
837 if (0 == stat (cert_file_p2, &sbuf ))
839 if (0 == remove(cert_file_p2))
840 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
842 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p2);
845 if (0 == stat (key_file_p2, &sbuf ))
847 if (0 == remove(key_file_p2))
848 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p2);
850 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p2);
852 GNUNET_free(key_file_p1);
853 GNUNET_free(key_file_p2);
854 GNUNET_free(cert_file_p1);
855 GNUNET_free(cert_file_p2);
858 if ((p1.servicehome != NULL) && (p2.servicehome != NULL))
860 GNUNET_DISK_directory_remove (p1.servicehome);
861 GNUNET_DISK_directory_remove (p2.servicehome);
862 GNUNET_free(p1.servicehome);
863 GNUNET_free(p2.servicehome);
872 main (int argc, char *argv[])
876 return GNUNET_SYSERR;
879 test_failed = GNUNET_NO;
881 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-1");
882 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-2");
884 if (strstr(argv[0], "tcp_nat") != NULL)
886 is_tcp_nat = GNUNET_YES;
887 GNUNET_asprintf(&test_name, "tcp_nat");
889 else if (strstr(argv[0], "tcp") != NULL)
892 GNUNET_asprintf(&test_name, "tcp");
894 else if (strstr(argv[0], "https") != NULL)
896 is_https = GNUNET_YES;
897 GNUNET_asprintf(&test_name, "https");
899 else if (strstr(argv[0], "http") != NULL)
901 is_http = GNUNET_YES;
902 GNUNET_asprintf(&test_name, "http");
904 else if (strstr(argv[0], "udp") != NULL)
907 GNUNET_asprintf(&test_name, "udp");
909 else if (strstr(argv[0], "unix") != NULL)
911 is_unix = GNUNET_YES;
912 GNUNET_asprintf(&test_name, "unix");
914 else if (strstr(argv[0], "wlan") != NULL)
916 is_wlan = GNUNET_YES;
918 GNUNET_log_setup ("test-transport-api-unreliability",
927 GNUNET_free_non_null(test_name);
931 /* end of test_transport_api_unreliability.c */