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_reliability.c
22 * @brief base test case for transport implementations
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.
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"
38 #include "transport.h"
39 #include "transport-testing.h"
41 #define VERBOSE GNUNET_NO
43 #define VERBOSE_ARM GNUNET_NO
45 #define START_ARM GNUNET_YES
48 * Note that this value must not significantly exceed
49 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
50 * messages may be dropped even for a reliable transport.
52 #define TOTAL_MSGS (10000 * 2)
55 * How long until we give up on transmitting the message?
57 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500)
61 static struct PeerContext p1;
63 static struct PeerContext p2;
69 static int is_tcp_nat;
83 static unsigned long long total_bytes;
85 static struct GNUNET_TIME_Absolute start_time;
87 static GNUNET_SCHEDULER_TaskIdentifier die_task;
89 static GNUNET_SCHEDULER_TaskIdentifier tct;
91 struct GNUNET_TRANSPORT_TransmitHandle * th_p2;
93 static char * key_file_p1;
94 static char * cert_file_p1;
96 static char * key_file_p2;
97 static char * cert_file_p2;
98 static char *test_name;
99 static int msg_scheduled;
101 static int msg_recv_expected;
105 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
107 #define OKPP do { ok++; } while (0)
114 unsigned long long delta;
117 if (die_task != GNUNET_SCHEDULER_NO_TASK)
118 GNUNET_SCHEDULER_cancel (die_task);
119 die_task = GNUNET_SCHEDULER_NO_TASK;
121 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
125 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
128 GNUNET_TRANSPORT_disconnect (p1.th);
129 GNUNET_TRANSPORT_disconnect (p2.th);
131 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
132 "Transports disconnected, returning success!\n");
134 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
136 "\nThroughput was %llu kb/s\n",
137 total_bytes * 1000 / 1024 / delta);
138 GNUNET_asprintf(&value_name, "reliable_%s", test_name);
139 GAUGER ("TRANSPORT", value_name, (int)(total_bytes * 1000 / 1024 /delta), "kb/s");
140 GNUNET_free(value_name);
148 stop_arm (struct PeerContext *p)
151 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
152 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
153 GNUNET_OS_process_wait (p->arm_proc);
154 GNUNET_OS_process_close (p->arm_proc);
157 GNUNET_CONFIGURATION_destroy (p->cfg);
162 end_badly (void *cls,
163 const struct GNUNET_SCHEDULER_TaskContext *tc)
165 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
166 "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
172 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
176 GNUNET_TRANSPORT_disconnect (p1.th);
177 GNUNET_TRANSPORT_disconnect (p2.th);
178 if (GNUNET_SCHEDULER_NO_TASK != tct)
180 GNUNET_SCHEDULER_cancel (tct);
181 tct = GNUNET_SCHEDULER_NO_TASK;
189 struct GNUNET_MessageHeader header;
195 get_size (unsigned int iter)
200 return iter + sizeof (struct TestMessage);
201 ret = (iter * iter * iter);
202 return sizeof (struct TestMessage) + (ret % 60000);
207 notify_receive (void *cls,
208 const struct GNUNET_PeerIdentity *peer,
209 const struct GNUNET_MessageHeader *message,
210 const struct GNUNET_TRANSPORT_ATS_Information *ats,
215 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
216 const struct TestMessage *hdr;
218 hdr = (const struct TestMessage*) message;
220 if (MTYPE != ntohs (message->type))
222 msg_recv_expected = n;
223 msg_recv = ntohl(hdr->num);
224 if (ntohs (message->size) != s)
226 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
227 "Expected message %u of size %u, got %u bytes of message %u\n",
229 ntohs (message->size),
231 if (die_task != GNUNET_SCHEDULER_NO_TASK)
232 GNUNET_SCHEDULER_cancel (die_task);
233 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
236 if (ntohl (hdr->num) != n)
238 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
239 "Expected message %u of size %u, got %u bytes of message %u\n",
241 ntohs (message->size),
243 if (die_task != GNUNET_SCHEDULER_NO_TASK)
244 GNUNET_SCHEDULER_cancel (die_task);
245 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
248 memset (cbuf, n, s - sizeof (struct TestMessage));
249 if (0 != memcmp (cbuf,
251 s - sizeof (struct TestMessage)))
253 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
254 "Expected message %u with bits %u, but body did not match\n",
255 n, (unsigned char) n);
256 if (die_task != GNUNET_SCHEDULER_NO_TASK)
257 GNUNET_SCHEDULER_cancel (die_task);
258 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
262 if (ntohl(hdr->num) % 5000 == 0)
264 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
265 "Got message %u of size %u\n",
267 ntohs (message->size));
271 if (0 == (n % (TOTAL_MSGS/100)))
273 fprintf (stderr, ".");
274 if (die_task != GNUNET_SCHEDULER_NO_TASK)
275 GNUNET_SCHEDULER_cancel (die_task);
276 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
286 notify_ready (void *cls, size_t size, void *buf)
290 struct TestMessage hdr;
303 GNUNET_assert (size >= s);
304 GNUNET_assert (buf != NULL);
308 hdr.header.size = htons (s);
309 hdr.header.type = htons (MTYPE);
312 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
313 ret += sizeof (struct TestMessage);
314 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
315 ret += s - sizeof (struct TestMessage);
319 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
320 "Sending message %u of size %u\n",
327 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
328 break; /* sometimes pack buffer full, sometimes not */
330 while (size - ret >= s);
333 th_p2 = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
342 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
343 "Returning total message block of size %u\n",
352 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
356 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
357 "Peer `%4s' disconnected (%p)!\n",
358 GNUNET_i2s (peer), cls);
364 exchange_hello_last (void *cls,
365 const struct GNUNET_MessageHeader *message)
367 struct PeerContext *me = cls;
369 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
370 "Exchanging HELLO of size %d with peer (%s)!\n",
371 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
372 GNUNET_i2s (&me->id));
373 GNUNET_assert (message != NULL);
374 GNUNET_assert (GNUNET_OK ==
375 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
377 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
383 exchange_hello (void *cls,
384 const struct GNUNET_MessageHeader *message)
386 struct PeerContext *me = cls;
388 GNUNET_assert (message != NULL);
389 GNUNET_assert (GNUNET_OK ==
390 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
392 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
393 "Exchanging HELLO of size %d from peer %s!\n",
394 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
395 GNUNET_i2s (&me->id));
396 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
401 notify_connect (void *cls,
402 const struct GNUNET_PeerIdentity *peer,
403 const struct GNUNET_TRANSPORT_ATS_Information *ats,
406 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
407 "Peer `%4s' connected to us (%p)!\n",
413 GNUNET_TRANSPORT_set_quota (p1.th,
415 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
416 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
417 start_time = GNUNET_TIME_absolute_get ();
421 GNUNET_TRANSPORT_set_quota (p2.th,
423 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
424 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
428 if (die_task != GNUNET_SCHEDULER_NO_TASK)
429 GNUNET_SCHEDULER_cancel (die_task);
430 if (tct != GNUNET_SCHEDULER_NO_TASK)
431 GNUNET_SCHEDULER_cancel (tct);
432 tct = GNUNET_SCHEDULER_NO_TASK;
433 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
434 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
435 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
437 th_p2 = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
439 get_size (0), 0, TIMEOUT,
448 setup_peer (struct PeerContext *p, const char *cfgname)
450 p->cfg = GNUNET_CONFIGURATION_create ();
451 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
452 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
453 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
454 GNUNET_DISK_directory_remove (p->servicehome);
457 p->arm_proc = GNUNET_OS_start_process (NULL, NULL,
458 "gnunet-service-arm",
459 "gnunet-service-arm",
463 "-c", cfgname, NULL);
471 if (GNUNET_CONFIGURATION_have_value (p->cfg,
472 "transport-https", "KEY_FILE"))
473 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
474 if (key_file_p1 == NULL)
475 GNUNET_asprintf(&key_file_p1,"https_p1.key");
476 if (0 == stat (key_file_p1, &sbuf ))
478 if (0 == remove(key_file_p1))
479 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
480 "Successfully removed existing private key file `%s'\n",
483 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
484 "Failed to remove private key file `%s'\n",
487 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
488 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
489 if (cert_file_p1 == NULL)
490 GNUNET_asprintf(&cert_file_p1,"https_p1.cert");
491 if (0 == stat (cert_file_p1, &sbuf ))
493 if (0 == remove(cert_file_p1))
494 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
495 "Successfully removed existing certificate file `%s'\n",
498 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
499 "Failed to remove existing certificate file `%s'\n",
505 if (GNUNET_CONFIGURATION_have_value (p->cfg,
506 "transport-https", "KEY_FILE"))
507 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
508 if (key_file_p2 == NULL)
509 GNUNET_asprintf(&key_file_p2,"https_p2.key");
510 if (0 == stat (key_file_p2, &sbuf ))
512 if (0 == remove(key_file_p2))
513 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
514 "Successfully removed existing private key file `%s'\n",
517 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
518 "Failed to remove private key file `%s'\n",
521 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
522 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
523 if (cert_file_p2 == NULL)
524 GNUNET_asprintf(&cert_file_p2,"https_p2.cert");
525 if (0 == stat (cert_file_p2, &sbuf ))
527 if (0 == remove(cert_file_p2))
528 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
529 "Successfully removed existing certificate file `%s'\n",
532 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
533 "Failed to remove existing certificate file `%s'\n",
538 p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL,
543 GNUNET_assert (p->th != NULL);
548 * Return the actual path to a file found in the current
549 * PATH environment variable.
551 * @param binary the name of the file to find
554 get_path_from_PATH (char *binary)
565 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
566 _("PATH environment variable is unset.\n"));
569 path = GNUNET_strdup (p); /* because we write on it */
570 buf = GNUNET_malloc (strlen (path) + 20);
573 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
576 sprintf (buf, "%s/%s", pos, binary);
577 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
584 sprintf (buf, "%s/%s", pos, binary);
585 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
596 * Check whether the suid bit is set on a file.
597 * Attempts to find the file using the current
598 * PATH environment variable as a search path.
600 * @param binary the name of the file to check
602 * @return GNUNET_YES if the binary is found and
603 * can be run properly, GNUNET_NO otherwise
606 check_gnunet_nat_binary(char *binary)
616 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
617 p = get_path_from_PATH (binaryexe);
620 p = get_path_from_PATH (binary);
624 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
625 _("Could not find binary `%s' in PATH!\n"),
629 if (0 != STAT (p, &statbuf))
631 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
632 _("stat (%s) failed: %s\n"),
636 return GNUNET_SYSERR;
640 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
641 (statbuf.st_uid == 0) )
645 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
646 if (INVALID_SOCKET == rawsock)
648 DWORD err = GetLastError ();
649 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
650 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
651 return GNUNET_NO; /* not running as administrator */
653 closesocket (rawsock);
660 try_connect (void *cls,
661 const struct GNUNET_SCHEDULER_TaskContext *tc)
663 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
664 "Asking peers to connect...\n");
665 GNUNET_TRANSPORT_try_connect (p2.th,
667 GNUNET_TRANSPORT_try_connect (p1.th,
669 tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
678 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
680 GNUNET_assert (ok == 1);
682 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
687 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
688 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
692 setup_peer (&p1, "test_transport_api_rel_http_peer1.conf");
693 setup_peer (&p2, "test_transport_api_rel_http_peer2.conf");
697 setup_peer (&p1, "test_transport_api_rel_https_peer1.conf");
698 setup_peer (&p2, "test_transport_api_rel_https_peer2.conf");
702 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
703 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
707 setup_peer (&p1, "test_transport_api_unix_peer1.conf");
708 setup_peer (&p2, "test_transport_api_unix_peer2.conf");
712 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
713 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
717 setup_peer (&p1, "test_transport_api_wlan_peer1.conf");
718 setup_peer (&p2, "test_transport_api_wlan_peer2.conf");
722 GNUNET_assert(p1.th != NULL);
723 GNUNET_assert(p2.th != NULL);
724 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
725 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
726 tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
733 char *const argv[] = { "test-transport-api-reliability",
735 "test_transport_api_data.conf",
741 struct GNUNET_GETOPT_CommandLineOption options[] = {
742 GNUNET_GETOPT_OPTION_END
746 setTransportOptions("test_transport_api_data.conf");
750 if ((GNUNET_YES == is_tcp_nat) && (check_gnunet_nat_binary("gnunet-nat-server") != GNUNET_YES))
752 GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
753 "Not running NAT test case, binaries not properly installed.\n");
757 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
758 argv, "test-transport-api-reliability", "nohelp",
766 if (0 == stat (cert_file_p1, &sbuf ))
768 if (0 == remove(cert_file_p1))
769 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
770 "Successfully removed existing certificate file `%s'\n",
773 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
774 "Failed to remove certfile `%s'\n",
778 if (0 == stat (key_file_p1, &sbuf ))
780 if (0 == remove(key_file_p1))
781 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
782 "Successfully removed private key file `%s'\n",
785 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
786 "Failed to private key file `%s'\n",key_file_p1);
789 if (0 == stat (cert_file_p2, &sbuf ))
791 if (0 == remove(cert_file_p2))
792 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
793 "Successfully removed existing certificate file `%s'\n",
796 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
797 "Failed to remove certfile `%s'\n",cert_file_p2);
800 if (0 == stat (key_file_p2, &sbuf ))
802 if (0 == remove(key_file_p2))
803 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
804 "Successfully removed private key file `%s'\n",
807 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
808 "Failed to private key file `%s'\n",
811 GNUNET_free(key_file_p1);
812 GNUNET_free(key_file_p2);
813 GNUNET_free(cert_file_p1);
814 GNUNET_free(cert_file_p2);
815 GNUNET_free(p1.servicehome);
816 GNUNET_free(p2.servicehome);
824 main (int argc, char *argv[])
828 return GNUNET_SYSERR;
831 if (strstr(argv[0], "tcp_nat") != NULL)
833 is_tcp_nat = GNUNET_YES;
834 GNUNET_asprintf(&test_name, "tcp_nat");
836 else if (strstr(argv[0], "tcp") != NULL)
839 GNUNET_asprintf(&test_name, "tcp");
841 else if (strstr(argv[0], "https") != NULL)
843 is_https = GNUNET_YES;
844 GNUNET_asprintf(&test_name, "https");
846 else if (strstr(argv[0], "http") != NULL)
848 is_http = GNUNET_YES;
849 GNUNET_asprintf(&test_name, "http");
851 else if (strstr(argv[0], "udp") != NULL)
854 GNUNET_asprintf(&test_name, "udp");
856 else if (strstr(argv[0], "unix") != NULL)
858 is_unix = GNUNET_YES;
859 GNUNET_asprintf(&test_name, "unix");
861 else if (strstr(argv[0], "wlan") != NULL)
863 is_wlan = GNUNET_YES;
865 GNUNET_log_setup ("test-transport-api-reliability",
873 GNUNET_DISK_directory_remove (p1.servicehome);
874 GNUNET_DISK_directory_remove (p2.servicehome);
878 /* end of test_transport_api_reliability.c */