2 This file is part of GNUnet.
3 (C) 2009, 2010 Christian Grothoff (and other contributing authors)
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6 it under the terms of the GNU General Public License as published
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13 General Public License for more details.
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21 * @file core/test_core_api_reliability.c
22 * @brief testcase for core_api.c focusing on reliable transmission (with TCP)
25 #include "gnunet_common.h"
26 #include "gnunet_constants.h"
27 #include "gnunet_arm_service.h"
28 #include "gnunet_core_service.h"
29 #include "gnunet_getopt_lib.h"
30 #include "gnunet_os_lib.h"
31 #include "gnunet_program_lib.h"
32 #include "gnunet_scheduler_lib.h"
33 #include "gnunet_transport_service.h"
36 #define VERBOSE GNUNET_EXTRA_LOGGING
38 #define START_ARM GNUNET_YES
41 * Note that this value must not significantly exceed
42 * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
43 * messages may be dropped even for a reliable transport.
45 #define TOTAL_MSGS (600 * 10)
48 * How long until we give up on transmitting the message?
50 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 6000)
53 * What delay do we request from the core service for transmission?
55 #define FAST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
60 static unsigned long long total_bytes;
62 static struct GNUNET_TIME_Absolute start_time;
64 static GNUNET_SCHEDULER_TaskIdentifier err_task;
66 static GNUNET_SCHEDULER_TaskIdentifier connect_task;
71 struct GNUNET_CONFIGURATION_Handle *cfg;
72 struct GNUNET_CORE_Handle *ch;
73 struct GNUNET_PeerIdentity id;
74 struct GNUNET_TRANSPORT_Handle *th;
75 struct GNUNET_MessageHeader *hello;
76 struct GNUNET_TRANSPORT_GetHelloHandle *ghh;
79 struct GNUNET_OS_Process *arm_proc;
83 static struct PeerContext p1;
85 static struct PeerContext p2;
93 #define OKPP do { ok++; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
95 #define OKPP do { ok++; } while (0)
100 struct GNUNET_MessageHeader header;
106 get_size (unsigned int iter)
111 return iter + sizeof (struct TestMessage);
112 ret = (iter * iter * iter);
113 return sizeof (struct TestMessage) + (ret % 60000);
117 process_hello (void *cls, const struct GNUNET_MessageHeader *message);
120 terminate_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
122 unsigned long long delta;
124 GNUNET_TRANSPORT_get_hello_cancel (p1.ghh);
125 GNUNET_TRANSPORT_get_hello_cancel (p2.ghh);
126 GNUNET_CORE_disconnect (p1.ch);
128 GNUNET_CORE_disconnect (p2.ch);
130 if (connect_task != GNUNET_SCHEDULER_NO_TASK)
131 GNUNET_SCHEDULER_cancel (connect_task);
132 GNUNET_TRANSPORT_disconnect (p1.th);
134 GNUNET_TRANSPORT_disconnect (p2.th);
136 delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
137 fprintf (stderr, "\nThroughput was %llu kb/s\n",
138 total_bytes * 1000 / 1024 / delta);
139 GAUGER ("CORE", "Core throughput/s", total_bytes * 1000 / 1024 / delta,
146 terminate_task_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
151 GNUNET_CORE_disconnect (p1.ch);
156 GNUNET_CORE_disconnect (p2.ch);
159 if (connect_task != GNUNET_SCHEDULER_NO_TASK)
160 GNUNET_SCHEDULER_cancel (connect_task);
163 GNUNET_TRANSPORT_get_hello_cancel (p1.ghh);
164 GNUNET_TRANSPORT_disconnect (p1.th);
169 GNUNET_TRANSPORT_get_hello_cancel (p2.ghh);
170 GNUNET_TRANSPORT_disconnect (p2.th);
178 try_connect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
180 connect_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
182 GNUNET_TRANSPORT_try_connect (p1.th, &p2.id);
186 transmit_ready (void *cls, size_t size, void *buf)
189 struct TestMessage hdr;
193 GNUNET_assert (size <= GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE);
197 GNUNET_break (NULL !=
198 GNUNET_CORE_notify_transmit_ready (p1.ch, GNUNET_NO, 0,
199 FAST_TIMEOUT, &p2.id,
201 &transmit_ready, &p1));
204 GNUNET_assert (tr_n < TOTAL_MSGS);
207 GNUNET_assert (size >= s);
208 GNUNET_assert (buf != NULL);
213 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
214 "Sending message %u of size %u at offset %u\n", tr_n, s, ret);
216 hdr.header.size = htons (s);
217 hdr.header.type = htons (MTYPE);
218 hdr.num = htonl (tr_n);
219 memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
220 ret += sizeof (struct TestMessage);
221 memset (&cbuf[ret], tr_n, s - sizeof (struct TestMessage));
222 ret += s - sizeof (struct TestMessage);
225 if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
226 break; /* sometimes pack buffer full, sometimes not */
228 while (size - ret >= s);
229 GNUNET_SCHEDULER_cancel (err_task);
231 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL);
232 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
233 "Returning total message block of size %u\n", ret);
241 connect_notify (void *cls, const struct GNUNET_PeerIdentity *peer,
242 const struct GNUNET_ATS_Information *atsi)
244 struct PeerContext *pc = cls;
246 if (0 == memcmp (&pc->id, peer, sizeof (struct GNUNET_PeerIdentity)))
248 GNUNET_assert (pc->connect_status == 0);
249 pc->connect_status = 1;
252 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
253 "Encrypted connection established to peer `%4s'\n",
255 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
256 "Asking core (1) for transmission to peer `%4s'\n",
257 GNUNET_i2s (&p2.id));
258 GNUNET_SCHEDULER_cancel (err_task);
260 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL);
261 start_time = GNUNET_TIME_absolute_get ();
262 GNUNET_break (NULL !=
263 GNUNET_CORE_notify_transmit_ready (p1.ch, GNUNET_NO, 0,
266 &transmit_ready, &p1));
272 disconnect_notify (void *cls, const struct GNUNET_PeerIdentity *peer)
274 struct PeerContext *pc = cls;
276 if (0 == memcmp (&pc->id, peer, sizeof (struct GNUNET_PeerIdentity)))
278 pc->connect_status = 0;
279 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection to `%4s' cut\n",
285 inbound_notify (void *cls, const struct GNUNET_PeerIdentity *other,
286 const struct GNUNET_MessageHeader *message,
287 const struct GNUNET_ATS_Information *atsi)
290 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
291 "Core provides inbound data from `%4s'.\n", GNUNET_i2s (other));
298 outbound_notify (void *cls, const struct GNUNET_PeerIdentity *other,
299 const struct GNUNET_MessageHeader *message,
300 const struct GNUNET_ATS_Information *atsi)
303 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
304 "Core notifies about outbound data for `%4s'.\n",
312 transmit_ready (void *cls, size_t size, void *buf);
315 process_mtype (void *cls, const struct GNUNET_PeerIdentity *peer,
316 const struct GNUNET_MessageHeader *message,
317 const struct GNUNET_ATS_Information *atsi)
321 const struct TestMessage *hdr;
323 hdr = (const struct TestMessage *) message;
325 if (MTYPE != ntohs (message->type))
326 return GNUNET_SYSERR;
327 if (ntohs (message->size) != s)
329 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
330 "Expected message %u of size %u, got %u bytes of message %u\n",
331 n, s, ntohs (message->size), ntohl (hdr->num));
332 GNUNET_SCHEDULER_cancel (err_task);
333 err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error, NULL);
334 return GNUNET_SYSERR;
336 if (ntohl (hdr->num) != n)
338 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
339 "Expected message %u of size %u, got %u bytes of message %u\n",
340 n, s, ntohs (message->size), ntohl (hdr->num));
341 GNUNET_SCHEDULER_cancel (err_task);
342 err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error, NULL);
343 return GNUNET_SYSERR;
346 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n",
347 ntohl (hdr->num), ntohs (message->size));
350 if (0 == (n % (TOTAL_MSGS / 100)))
351 fprintf (stderr, ".");
354 GNUNET_SCHEDULER_cancel (err_task);
355 GNUNET_SCHEDULER_add_now (&terminate_task, NULL);
360 GNUNET_break (NULL !=
361 GNUNET_CORE_notify_transmit_ready (p1.ch, GNUNET_NO, 0,
362 FAST_TIMEOUT, &p2.id,
364 &transmit_ready, &p1));
370 static struct GNUNET_CORE_MessageHandler handlers[] = {
371 {&process_mtype, MTYPE, 0},
378 init_notify (void *cls, struct GNUNET_CORE_Handle *server,
379 const struct GNUNET_PeerIdentity *my_identity)
381 struct PeerContext *p = cls;
383 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
384 "Connection to CORE service of `%4s' established\n",
385 GNUNET_i2s (my_identity));
386 GNUNET_assert (server != NULL);
387 p->id = *my_identity;
391 GNUNET_assert (ok == 2);
394 GNUNET_CORE_connect (p2.cfg, 1, &p2, &init_notify, &connect_notify,
395 &disconnect_notify, &inbound_notify, GNUNET_YES,
396 &outbound_notify, GNUNET_YES, handlers);
400 GNUNET_assert (ok == 3);
402 GNUNET_assert (cls == &p2);
403 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
404 "Asking transport (1) to connect to peer `%4s'\n",
405 GNUNET_i2s (&p2.id));
406 connect_task = GNUNET_SCHEDULER_add_now (&try_connect, NULL);
412 process_hello (void *cls, const struct GNUNET_MessageHeader *message)
414 struct PeerContext *p = cls;
416 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
417 "Received (my) `%s' from transport service\n", "HELLO");
418 GNUNET_assert (message != NULL);
419 p->hello = GNUNET_malloc (ntohs (message->size));
420 memcpy (p->hello, message, ntohs (message->size));
421 if ((p == &p1) && (p2.th != NULL))
422 GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL);
423 if ((p == &p2) && (p1.th != NULL))
424 GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL);
426 if ((p == &p1) && (p2.hello != NULL))
427 GNUNET_TRANSPORT_offer_hello (p1.th, p2.hello, NULL, NULL);
428 if ((p == &p2) && (p1.hello != NULL))
429 GNUNET_TRANSPORT_offer_hello (p2.th, p1.hello, NULL, NULL);
435 setup_peer (struct PeerContext *p, const char *cfgname)
437 p->cfg = GNUNET_CONFIGURATION_create ();
440 GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
441 "gnunet-service-arm",
445 "-c", cfgname, NULL);
447 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
448 p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL, p, NULL, NULL, NULL);
449 GNUNET_assert (p->th != NULL);
450 p->ghh = GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p);
455 run (void *cls, char *const *args, const char *cfgfile,
456 const struct GNUNET_CONFIGURATION_Handle *cfg)
458 GNUNET_assert (ok == 1);
460 setup_peer (&p1, "test_core_api_peer1.conf");
461 setup_peer (&p2, "test_core_api_peer2.conf");
463 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL);
464 GNUNET_CORE_connect (p1.cfg, 1, &p1, &init_notify, &connect_notify,
465 &disconnect_notify, &inbound_notify, GNUNET_YES,
466 &outbound_notify, GNUNET_YES, handlers);
471 stop_arm (struct PeerContext *p)
474 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
475 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
476 if (GNUNET_OS_process_wait (p->arm_proc) != GNUNET_OK)
477 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
478 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ARM process %u stopped\n",
479 GNUNET_OS_process_get_pid (p->arm_proc));
480 GNUNET_OS_process_close (p->arm_proc);
483 GNUNET_CONFIGURATION_destroy (p->cfg);
489 char *const argv[] = { "test-core-api-reliability",
491 "test_core_api_data.conf",
497 struct GNUNET_GETOPT_CommandLineOption options[] = {
498 GNUNET_GETOPT_OPTION_END
501 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
502 "test-core-api-reliability", "nohelp", options, &run,
510 main (int argc, char *argv[])
514 GNUNET_log_setup ("test-core-api",
522 GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1");
523 GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2");
528 /* end of test_core_api_reliability.c */