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 static char * key_file_p1;
92 static char * cert_file_p1;
94 static char * key_file_p2;
95 static char * cert_file_p2;
96 static char *test_name;
97 static int msg_scheduled;
99 static int msg_recv_expected;
103 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
105 #define OKPP do { ok++; } while (0)
112 unsigned long long delta;
115 GNUNET_SCHEDULER_cancel (die_task);
116 die_task = GNUNET_SCHEDULER_NO_TASK;
118 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
120 GNUNET_TRANSPORT_disconnect (p1.th);
121 GNUNET_TRANSPORT_disconnect (p2.th);
123 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
124 "Transports disconnected, returning success!\n");
126 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
128 "\nThroughput was %llu kb/s\n",
129 total_bytes * 1000 / 1024 / delta);
130 GNUNET_asprintf(&value_name, "reliable_%s", test_name);
131 GAUGER ("TRANSPORT", value_name, (int)(total_bytes * 1000 / 1024 /delta), "kb/s");
132 GNUNET_free(value_name);
140 stop_arm (struct PeerContext *p)
143 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
144 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
145 GNUNET_OS_process_wait (p->arm_proc);
146 GNUNET_OS_process_close (p->arm_proc);
149 GNUNET_CONFIGURATION_destroy (p->cfg);
154 end_badly (void *cls,
155 const struct GNUNET_SCHEDULER_TaskContext *tc)
157 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
158 "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
164 GNUNET_TRANSPORT_disconnect (p1.th);
165 GNUNET_TRANSPORT_disconnect (p2.th);
166 if (GNUNET_SCHEDULER_NO_TASK != tct)
168 GNUNET_SCHEDULER_cancel (tct);
169 tct = GNUNET_SCHEDULER_NO_TASK;
177 struct GNUNET_MessageHeader header;
183 get_size (unsigned int iter)
188 return iter + sizeof (struct TestMessage);
189 ret = (iter * iter * iter);
190 return sizeof (struct TestMessage) + (ret % 60000);
195 notify_receive (void *cls,
196 const struct GNUNET_PeerIdentity *peer,
197 const struct GNUNET_MessageHeader *message,
198 const struct GNUNET_TRANSPORT_ATS_Information *ats,
203 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
204 const struct TestMessage *hdr;
206 hdr = (const struct TestMessage*) message;
208 if (MTYPE != ntohs (message->type))
210 msg_recv_expected = n;
211 msg_recv = ntohl(hdr->num);
212 if (ntohs (message->size) != s)
214 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
215 "Expected message %u of size %u, got %u bytes of message %u\n",
217 ntohs (message->size),
219 GNUNET_SCHEDULER_cancel (die_task);
220 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
223 if (ntohl (hdr->num) != n)
225 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
226 "Expected message %u of size %u, got %u bytes of message %u\n",
228 ntohs (message->size),
230 GNUNET_SCHEDULER_cancel (die_task);
231 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
234 memset (cbuf, n, s - sizeof (struct TestMessage));
235 if (0 != memcmp (cbuf,
237 s - sizeof (struct TestMessage)))
239 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
240 "Expected message %u with bits %u, but body did not match\n",
241 n, (unsigned char) n);
242 GNUNET_SCHEDULER_cancel (die_task);
243 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
247 if (ntohl(hdr->num) % 5000 == 0)
249 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
250 "Got message %u of size %u\n",
252 ntohs (message->size));
256 if (0 == (n % (TOTAL_MSGS/100)))
258 fprintf (stderr, ".");
259 GNUNET_SCHEDULER_cancel (die_task);
260 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
270 notify_ready (void *cls, size_t size, void *buf)
274 struct TestMessage hdr;
286 GNUNET_assert (size >= s);
287 GNUNET_assert (buf != NULL);
291 hdr.header.size = htons (s);
292 hdr.header.type = htons (MTYPE);
295 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
296 ret += sizeof (struct TestMessage);
297 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
298 ret += s - sizeof (struct TestMessage);
302 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
303 "Sending message %u of size %u\n",
310 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
311 break; /* sometimes pack buffer full, sometimes not */
313 while (size - ret >= s);
316 GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
325 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
326 "Returning total message block of size %u\n",
335 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
339 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
340 "Peer `%4s' disconnected (%p)!\n",
341 GNUNET_i2s (peer), cls);
347 exchange_hello_last (void *cls,
348 const struct GNUNET_MessageHeader *message)
350 struct PeerContext *me = cls;
352 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
353 "Exchanging HELLO of size %d with peer (%s)!\n",
354 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
355 GNUNET_i2s (&me->id));
356 GNUNET_assert (message != NULL);
357 GNUNET_assert (GNUNET_OK ==
358 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
360 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
366 exchange_hello (void *cls,
367 const struct GNUNET_MessageHeader *message)
369 struct PeerContext *me = cls;
371 GNUNET_assert (message != NULL);
372 GNUNET_assert (GNUNET_OK ==
373 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
375 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
376 "Exchanging HELLO of size %d from peer %s!\n",
377 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
378 GNUNET_i2s (&me->id));
379 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
384 notify_connect (void *cls,
385 const struct GNUNET_PeerIdentity *peer,
386 const struct GNUNET_TRANSPORT_ATS_Information *ats,
389 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
390 "Peer `%4s' connected to us (%p)!\n",
396 GNUNET_TRANSPORT_set_quota (p1.th,
398 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
399 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
400 start_time = GNUNET_TIME_absolute_get ();
404 GNUNET_TRANSPORT_set_quota (p2.th,
406 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
407 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
411 GNUNET_SCHEDULER_cancel (die_task);
412 GNUNET_SCHEDULER_cancel (tct);
413 tct = GNUNET_SCHEDULER_NO_TASK;
414 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
415 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
416 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
418 GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
420 get_size (0), 0, TIMEOUT,
429 setup_peer (struct PeerContext *p, const char *cfgname)
431 p->cfg = GNUNET_CONFIGURATION_create ();
432 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
433 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
434 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
435 GNUNET_DISK_directory_remove (p->servicehome);
438 p->arm_proc = GNUNET_OS_start_process (NULL, NULL,
439 "gnunet-service-arm",
440 "gnunet-service-arm",
444 "-c", cfgname, NULL);
452 if (GNUNET_CONFIGURATION_have_value (p->cfg,
453 "transport-https", "KEY_FILE"))
454 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
455 if (key_file_p1 == NULL)
456 GNUNET_asprintf(&key_file_p1,"https_p1.key");
457 if (0 == stat (key_file_p1, &sbuf ))
459 if (0 == remove(key_file_p1))
460 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
461 "Successfully removed existing private key file `%s'\n",
464 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
465 "Failed to remove private key file `%s'\n",
468 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
469 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
470 if (cert_file_p1 == NULL)
471 GNUNET_asprintf(&cert_file_p1,"https_p1.cert");
472 if (0 == stat (cert_file_p1, &sbuf ))
474 if (0 == remove(cert_file_p1))
475 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
476 "Successfully removed existing certificate file `%s'\n",
479 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
480 "Failed to remove existing certificate file `%s'\n",
486 if (GNUNET_CONFIGURATION_have_value (p->cfg,
487 "transport-https", "KEY_FILE"))
488 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
489 if (key_file_p2 == NULL)
490 GNUNET_asprintf(&key_file_p2,"https_p2.key");
491 if (0 == stat (key_file_p2, &sbuf ))
493 if (0 == remove(key_file_p2))
494 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
495 "Successfully removed existing private key file `%s'\n",
498 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
499 "Failed to remove private key file `%s'\n",
502 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
503 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
504 if (cert_file_p2 == NULL)
505 GNUNET_asprintf(&cert_file_p2,"https_p2.cert");
506 if (0 == stat (cert_file_p2, &sbuf ))
508 if (0 == remove(cert_file_p2))
509 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
510 "Successfully removed existing certificate file `%s'\n",
513 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
514 "Failed to remove existing certificate file `%s'\n",
519 p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL,
524 GNUNET_assert (p->th != NULL);
529 * Return the actual path to a file found in the current
530 * PATH environment variable.
532 * @param binary the name of the file to find
535 get_path_from_PATH (char *binary)
546 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
547 _("PATH environment variable is unset.\n"));
550 path = GNUNET_strdup (p); /* because we write on it */
551 buf = GNUNET_malloc (strlen (path) + 20);
554 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
557 sprintf (buf, "%s/%s", pos, binary);
558 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
565 sprintf (buf, "%s/%s", pos, binary);
566 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
577 * Check whether the suid bit is set on a file.
578 * Attempts to find the file using the current
579 * PATH environment variable as a search path.
581 * @param binary the name of the file to check
583 * @return GNUNET_YES if the binary is found and
584 * can be run properly, GNUNET_NO otherwise
587 check_gnunet_nat_binary(char *binary)
597 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
598 p = get_path_from_PATH (binaryexe);
601 p = get_path_from_PATH (binary);
605 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
606 _("Could not find binary `%s' in PATH!\n"),
610 if (0 != STAT (p, &statbuf))
612 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
613 _("stat (%s) failed: %s\n"),
617 return GNUNET_SYSERR;
621 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
622 (statbuf.st_uid == 0) )
626 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
627 if (INVALID_SOCKET == rawsock)
629 DWORD err = GetLastError ();
630 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
631 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
632 return GNUNET_NO; /* not running as administrator */
634 closesocket (rawsock);
641 try_connect (void *cls,
642 const struct GNUNET_SCHEDULER_TaskContext *tc)
644 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
645 "Asking peers to connect...\n");
646 GNUNET_TRANSPORT_try_connect (p2.th,
648 GNUNET_TRANSPORT_try_connect (p1.th,
650 tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
659 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
661 GNUNET_assert (ok == 1);
663 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
668 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
669 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
673 setup_peer (&p1, "test_transport_api_rel_http_peer1.conf");
674 setup_peer (&p2, "test_transport_api_rel_http_peer2.conf");
678 setup_peer (&p1, "test_transport_api_rel_https_peer1.conf");
679 setup_peer (&p2, "test_transport_api_rel_https_peer2.conf");
683 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
684 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
688 setup_peer (&p1, "test_transport_api_unix_peer1.conf");
689 setup_peer (&p2, "test_transport_api_unix_peer2.conf");
693 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
694 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
698 setup_peer (&p1, "test_transport_api_wlan_peer1.conf");
699 setup_peer (&p2, "test_transport_api_wlan_peer2.conf");
703 GNUNET_assert(p1.th != NULL);
704 GNUNET_assert(p2.th != NULL);
705 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
706 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
707 tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
714 char *const argv[] = { "test-transport-api-reliability",
716 "test_transport_api_data.conf",
722 struct GNUNET_GETOPT_CommandLineOption options[] = {
723 GNUNET_GETOPT_OPTION_END
727 setTransportOptions("test_transport_api_data.conf");
731 if ((GNUNET_YES == is_tcp_nat) && (check_gnunet_nat_binary("gnunet-nat-server") != GNUNET_YES))
733 GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
734 "Not running NAT test case, binaries not properly installed.\n");
738 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
739 argv, "test-transport-api-reliability", "nohelp",
747 if (0 == stat (cert_file_p1, &sbuf ))
749 if (0 == remove(cert_file_p1))
750 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
751 "Successfully removed existing certificate file `%s'\n",
754 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
755 "Failed to remove certfile `%s'\n",
759 if (0 == stat (key_file_p1, &sbuf ))
761 if (0 == remove(key_file_p1))
762 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
763 "Successfully removed private key file `%s'\n",
766 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
767 "Failed to private key file `%s'\n",key_file_p1);
770 if (0 == stat (cert_file_p2, &sbuf ))
772 if (0 == remove(cert_file_p2))
773 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
774 "Successfully removed existing certificate file `%s'\n",
777 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
778 "Failed to remove certfile `%s'\n",cert_file_p2);
781 if (0 == stat (key_file_p2, &sbuf ))
783 if (0 == remove(key_file_p2))
784 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
785 "Successfully removed private key file `%s'\n",
788 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
789 "Failed to private key file `%s'\n",
792 GNUNET_free(key_file_p1);
793 GNUNET_free(key_file_p2);
794 GNUNET_free(cert_file_p1);
795 GNUNET_free(cert_file_p2);
796 GNUNET_free(p1.servicehome);
797 GNUNET_free(p2.servicehome);
805 main (int argc, char *argv[])
809 return GNUNET_SYSERR;
812 if (strstr(argv[0], "tcp_nat") != NULL)
814 is_tcp_nat = GNUNET_YES;
815 GNUNET_asprintf(&test_name, "tcp_nat");
817 else if (strstr(argv[0], "tcp") != NULL)
820 GNUNET_asprintf(&test_name, "tcp");
822 else if (strstr(argv[0], "https") != NULL)
824 is_https = GNUNET_YES;
825 GNUNET_asprintf(&test_name, "https");
827 else if (strstr(argv[0], "http") != NULL)
829 is_http = GNUNET_YES;
830 GNUNET_asprintf(&test_name, "http");
832 else if (strstr(argv[0], "udp") != NULL)
835 GNUNET_asprintf(&test_name, "udp");
837 else if (strstr(argv[0], "unix") != NULL)
839 is_unix = GNUNET_YES;
840 GNUNET_asprintf(&test_name, "unix");
842 else if (strstr(argv[0], "wlan") != NULL)
844 is_wlan = GNUNET_YES;
846 GNUNET_log_setup ("test-transport-api-reliability",
854 GNUNET_DISK_directory_remove (p1.servicehome);
855 GNUNET_DISK_directory_remove (p2.servicehome);
859 /* end of test_transport_api_reliability.c */