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 GNUNET_SCHEDULER_cancel (die_task);
118 die_task = GNUNET_SCHEDULER_NO_TASK;
120 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
124 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
127 GNUNET_TRANSPORT_disconnect (p1.th);
128 GNUNET_TRANSPORT_disconnect (p2.th);
130 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
131 "Transports disconnected, returning success!\n");
133 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
135 "\nThroughput was %llu kb/s\n",
136 total_bytes * 1000 / 1024 / delta);
137 GNUNET_asprintf(&value_name, "reliable_%s", test_name);
138 GAUGER ("TRANSPORT", value_name, (int)(total_bytes * 1000 / 1024 /delta), "kb/s");
139 GNUNET_free(value_name);
147 stop_arm (struct PeerContext *p)
150 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
151 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
152 GNUNET_OS_process_wait (p->arm_proc);
153 GNUNET_OS_process_close (p->arm_proc);
156 GNUNET_CONFIGURATION_destroy (p->cfg);
161 end_badly (void *cls,
162 const struct GNUNET_SCHEDULER_TaskContext *tc)
164 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
165 "Reliability failed: Last message sent %u, Next message scheduled %u, Last message received %u, Message expected %u\n",
171 GNUNET_TRANSPORT_notify_transmit_ready_cancel(th_p2);
175 GNUNET_TRANSPORT_disconnect (p1.th);
176 GNUNET_TRANSPORT_disconnect (p2.th);
177 if (GNUNET_SCHEDULER_NO_TASK != tct)
179 GNUNET_SCHEDULER_cancel (tct);
180 tct = GNUNET_SCHEDULER_NO_TASK;
188 struct GNUNET_MessageHeader header;
194 get_size (unsigned int iter)
199 return iter + sizeof (struct TestMessage);
200 ret = (iter * iter * iter);
201 return sizeof (struct TestMessage) + (ret % 60000);
206 notify_receive (void *cls,
207 const struct GNUNET_PeerIdentity *peer,
208 const struct GNUNET_MessageHeader *message,
209 const struct GNUNET_TRANSPORT_ATS_Information *ats,
214 char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
215 const struct TestMessage *hdr;
217 hdr = (const struct TestMessage*) message;
219 if (MTYPE != ntohs (message->type))
221 msg_recv_expected = n;
222 msg_recv = ntohl(hdr->num);
223 if (ntohs (message->size) != s)
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 if (ntohl (hdr->num) != n)
236 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
237 "Expected message %u of size %u, got %u bytes of message %u\n",
239 ntohs (message->size),
241 GNUNET_SCHEDULER_cancel (die_task);
242 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
245 memset (cbuf, n, s - sizeof (struct TestMessage));
246 if (0 != memcmp (cbuf,
248 s - sizeof (struct TestMessage)))
250 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
251 "Expected message %u with bits %u, but body did not match\n",
252 n, (unsigned char) n);
253 GNUNET_SCHEDULER_cancel (die_task);
254 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
258 if (ntohl(hdr->num) % 5000 == 0)
260 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
261 "Got message %u of size %u\n",
263 ntohs (message->size));
267 if (0 == (n % (TOTAL_MSGS/100)))
269 fprintf (stderr, ".");
270 GNUNET_SCHEDULER_cancel (die_task);
271 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
281 notify_ready (void *cls, size_t size, void *buf)
285 struct TestMessage hdr;
298 GNUNET_assert (size >= s);
299 GNUNET_assert (buf != NULL);
303 hdr.header.size = htons (s);
304 hdr.header.type = htons (MTYPE);
307 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
308 ret += sizeof (struct TestMessage);
309 memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
310 ret += s - sizeof (struct TestMessage);
314 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
315 "Sending message %u of size %u\n",
322 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
323 break; /* sometimes pack buffer full, sometimes not */
325 while (size - ret >= s);
328 th_p2 = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
337 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
338 "Returning total message block of size %u\n",
347 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
351 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
352 "Peer `%4s' disconnected (%p)!\n",
353 GNUNET_i2s (peer), cls);
359 exchange_hello_last (void *cls,
360 const struct GNUNET_MessageHeader *message)
362 struct PeerContext *me = cls;
364 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
365 "Exchanging HELLO of size %d with peer (%s)!\n",
366 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
367 GNUNET_i2s (&me->id));
368 GNUNET_assert (message != NULL);
369 GNUNET_assert (GNUNET_OK ==
370 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
372 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
378 exchange_hello (void *cls,
379 const struct GNUNET_MessageHeader *message)
381 struct PeerContext *me = cls;
383 GNUNET_assert (message != NULL);
384 GNUNET_assert (GNUNET_OK ==
385 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
387 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
388 "Exchanging HELLO of size %d from peer %s!\n",
389 (int) GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message),
390 GNUNET_i2s (&me->id));
391 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
396 notify_connect (void *cls,
397 const struct GNUNET_PeerIdentity *peer,
398 const struct GNUNET_TRANSPORT_ATS_Information *ats,
401 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
402 "Peer `%4s' connected to us (%p)!\n",
408 GNUNET_TRANSPORT_set_quota (p1.th,
410 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
411 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
412 start_time = GNUNET_TIME_absolute_get ();
416 GNUNET_TRANSPORT_set_quota (p2.th,
418 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
419 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024));
423 GNUNET_SCHEDULER_cancel (die_task);
424 GNUNET_SCHEDULER_cancel (tct);
425 tct = GNUNET_SCHEDULER_NO_TASK;
426 GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, &p2);
427 GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, &p1);
428 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
430 th_p2 = GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
432 get_size (0), 0, TIMEOUT,
441 setup_peer (struct PeerContext *p, const char *cfgname)
443 p->cfg = GNUNET_CONFIGURATION_create ();
444 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
445 if (GNUNET_CONFIGURATION_have_value (p->cfg,"PATHS", "SERVICEHOME"))
446 GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", &p->servicehome);
447 GNUNET_DISK_directory_remove (p->servicehome);
450 p->arm_proc = GNUNET_OS_start_process (NULL, NULL,
451 "gnunet-service-arm",
452 "gnunet-service-arm",
456 "-c", cfgname, NULL);
464 if (GNUNET_CONFIGURATION_have_value (p->cfg,
465 "transport-https", "KEY_FILE"))
466 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
467 if (key_file_p1 == NULL)
468 GNUNET_asprintf(&key_file_p1,"https_p1.key");
469 if (0 == stat (key_file_p1, &sbuf ))
471 if (0 == remove(key_file_p1))
472 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
473 "Successfully removed existing private key file `%s'\n",
476 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
477 "Failed to remove private key file `%s'\n",
480 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
481 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
482 if (cert_file_p1 == NULL)
483 GNUNET_asprintf(&cert_file_p1,"https_p1.cert");
484 if (0 == stat (cert_file_p1, &sbuf ))
486 if (0 == remove(cert_file_p1))
487 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
488 "Successfully removed existing certificate file `%s'\n",
491 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
492 "Failed to remove existing certificate file `%s'\n",
498 if (GNUNET_CONFIGURATION_have_value (p->cfg,
499 "transport-https", "KEY_FILE"))
500 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
501 if (key_file_p2 == NULL)
502 GNUNET_asprintf(&key_file_p2,"https_p2.key");
503 if (0 == stat (key_file_p2, &sbuf ))
505 if (0 == remove(key_file_p2))
506 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
507 "Successfully removed existing private key file `%s'\n",
510 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
511 "Failed to remove private key file `%s'\n",
514 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
515 GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
516 if (cert_file_p2 == NULL)
517 GNUNET_asprintf(&cert_file_p2,"https_p2.cert");
518 if (0 == stat (cert_file_p2, &sbuf ))
520 if (0 == remove(cert_file_p2))
521 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
522 "Successfully removed existing certificate file `%s'\n",
525 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
526 "Failed to remove existing certificate file `%s'\n",
531 p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL,
536 GNUNET_assert (p->th != NULL);
541 * Return the actual path to a file found in the current
542 * PATH environment variable.
544 * @param binary the name of the file to find
547 get_path_from_PATH (char *binary)
558 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
559 _("PATH environment variable is unset.\n"));
562 path = GNUNET_strdup (p); /* because we write on it */
563 buf = GNUNET_malloc (strlen (path) + 20);
566 while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
569 sprintf (buf, "%s/%s", pos, binary);
570 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
577 sprintf (buf, "%s/%s", pos, binary);
578 if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
589 * Check whether the suid bit is set on a file.
590 * Attempts to find the file using the current
591 * PATH environment variable as a search path.
593 * @param binary the name of the file to check
595 * @return GNUNET_YES if the binary is found and
596 * can be run properly, GNUNET_NO otherwise
599 check_gnunet_nat_binary(char *binary)
609 GNUNET_asprintf (&binaryexe, "%s.exe", binary);
610 p = get_path_from_PATH (binaryexe);
613 p = get_path_from_PATH (binary);
617 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
618 _("Could not find binary `%s' in PATH!\n"),
622 if (0 != STAT (p, &statbuf))
624 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
625 _("stat (%s) failed: %s\n"),
629 return GNUNET_SYSERR;
633 if ( (0 != (statbuf.st_mode & S_ISUID)) &&
634 (statbuf.st_uid == 0) )
638 rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
639 if (INVALID_SOCKET == rawsock)
641 DWORD err = GetLastError ();
642 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
643 "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
644 return GNUNET_NO; /* not running as administrator */
646 closesocket (rawsock);
653 try_connect (void *cls,
654 const struct GNUNET_SCHEDULER_TaskContext *tc)
656 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
657 "Asking peers to connect...\n");
658 GNUNET_TRANSPORT_try_connect (p2.th,
660 GNUNET_TRANSPORT_try_connect (p1.th,
662 tct = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
671 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
673 GNUNET_assert (ok == 1);
675 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
680 setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
681 setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
685 setup_peer (&p1, "test_transport_api_rel_http_peer1.conf");
686 setup_peer (&p2, "test_transport_api_rel_http_peer2.conf");
690 setup_peer (&p1, "test_transport_api_rel_https_peer1.conf");
691 setup_peer (&p2, "test_transport_api_rel_https_peer2.conf");
695 setup_peer (&p1, "test_transport_api_udp_peer1.conf");
696 setup_peer (&p2, "test_transport_api_udp_peer2.conf");
700 setup_peer (&p1, "test_transport_api_unix_peer1.conf");
701 setup_peer (&p2, "test_transport_api_unix_peer2.conf");
705 setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
706 setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
710 setup_peer (&p1, "test_transport_api_wlan_peer1.conf");
711 setup_peer (&p2, "test_transport_api_wlan_peer2.conf");
715 GNUNET_assert(p1.th != NULL);
716 GNUNET_assert(p2.th != NULL);
717 GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
718 GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
719 tct = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
726 char *const argv[] = { "test-transport-api-reliability",
728 "test_transport_api_data.conf",
734 struct GNUNET_GETOPT_CommandLineOption options[] = {
735 GNUNET_GETOPT_OPTION_END
739 setTransportOptions("test_transport_api_data.conf");
743 if ((GNUNET_YES == is_tcp_nat) && (check_gnunet_nat_binary("gnunet-nat-server") != GNUNET_YES))
745 GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
746 "Not running NAT test case, binaries not properly installed.\n");
750 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
751 argv, "test-transport-api-reliability", "nohelp",
759 if (0 == stat (cert_file_p1, &sbuf ))
761 if (0 == remove(cert_file_p1))
762 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
763 "Successfully removed existing certificate file `%s'\n",
766 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
767 "Failed to remove certfile `%s'\n",
771 if (0 == stat (key_file_p1, &sbuf ))
773 if (0 == remove(key_file_p1))
774 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
775 "Successfully removed private key file `%s'\n",
778 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
779 "Failed to private key file `%s'\n",key_file_p1);
782 if (0 == stat (cert_file_p2, &sbuf ))
784 if (0 == remove(cert_file_p2))
785 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
786 "Successfully removed existing certificate file `%s'\n",
789 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
790 "Failed to remove certfile `%s'\n",cert_file_p2);
793 if (0 == stat (key_file_p2, &sbuf ))
795 if (0 == remove(key_file_p2))
796 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
797 "Successfully removed private key file `%s'\n",
800 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
801 "Failed to private key file `%s'\n",
804 GNUNET_free(key_file_p1);
805 GNUNET_free(key_file_p2);
806 GNUNET_free(cert_file_p1);
807 GNUNET_free(cert_file_p2);
808 GNUNET_free(p1.servicehome);
809 GNUNET_free(p2.servicehome);
817 main (int argc, char *argv[])
821 return GNUNET_SYSERR;
824 if (strstr(argv[0], "tcp_nat") != NULL)
826 is_tcp_nat = GNUNET_YES;
827 GNUNET_asprintf(&test_name, "tcp_nat");
829 else if (strstr(argv[0], "tcp") != NULL)
832 GNUNET_asprintf(&test_name, "tcp");
834 else if (strstr(argv[0], "https") != NULL)
836 is_https = GNUNET_YES;
837 GNUNET_asprintf(&test_name, "https");
839 else if (strstr(argv[0], "http") != NULL)
841 is_http = GNUNET_YES;
842 GNUNET_asprintf(&test_name, "http");
844 else if (strstr(argv[0], "udp") != NULL)
847 GNUNET_asprintf(&test_name, "udp");
849 else if (strstr(argv[0], "unix") != NULL)
851 is_unix = GNUNET_YES;
852 GNUNET_asprintf(&test_name, "unix");
854 else if (strstr(argv[0], "wlan") != NULL)
856 is_wlan = GNUNET_YES;
858 GNUNET_log_setup ("test-transport-api-reliability",
866 GNUNET_DISK_directory_remove (p1.servicehome);
867 GNUNET_DISK_directory_remove (p2.servicehome);
871 /* end of test_transport_api_reliability.c */