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-rw-r--r--src/transport/test_transport_api_restart_2peers.c447
1 files changed, 447 insertions, 0 deletions
diff --git a/src/transport/test_transport_api_restart_2peers.c b/src/transport/test_transport_api_restart_2peers.c
new file mode 100644
index 000000000..af9b46385
--- /dev/null
+++ b/src/transport/test_transport_api_restart_2peers.c
@@ -0,0 +1,447 @@
1/*
2 This file is part of GNUnet.
3 (C) 2009, 2010 Christian Grothoff (and other contributing authors)
4
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.
9
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.
14
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.
19*/
20/**
21 * @file transport/test_transport_api_restart_2peers.c
22 * @brief base test case for transport implementations
23 *
24 * This test case starts 2 peers, connects and exchanges a message
25 * boths peer are restarted and tested if peers reconnect
26 * C code apparently.
27 */
28#include "platform.h"
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_transport_service.h"
36#include "transport.h"
37#include "transport-testing.h"
38
39#define VERBOSE GNUNET_EXTRA_LOGGING
40#define VERBOSE_ARM GNUNET_EXTRA_LOGGING
41
42#define START_ARM GNUNET_YES
43
44/**
45 * How long until we give up on transmitting the message?
46 */
47#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
48
49/**
50 * How long until we give up on transmitting the message?
51 */
52#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
53
54#define MTYPE 12345
55
56static char *test_source;
57
58static char *test_plugin;
59
60static char *test_name;
61
62static int ok;
63
64static GNUNET_SCHEDULER_TaskIdentifier die_task;
65
66static GNUNET_SCHEDULER_TaskIdentifier send_task;
67
68struct PeerContext *p1;
69
70struct PeerContext *p2;
71
72static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
73
74struct GNUNET_TRANSPORT_TransmitHandle *th;
75
76struct GNUNET_TRANSPORT_TESTING_handle *tth;
77
78char *cfg_file_p1;
79
80char *cfg_file_p2;
81
82static int restarted;
83
84#if VERBOSE
85#define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
86#else
87#define OKPP do { ok++; } while (0)
88#endif
89
90
91static void
92end ()
93{
94 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
95
96 if (send_task != GNUNET_SCHEDULER_NO_TASK)
97 GNUNET_SCHEDULER_cancel (send_task);
98
99 if (die_task != GNUNET_SCHEDULER_NO_TASK)
100 GNUNET_SCHEDULER_cancel (die_task);
101
102 if (th != NULL)
103 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
104 th = NULL;
105
106 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
107 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
108}
109
110static void
111end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
112{
113 die_task = GNUNET_SCHEDULER_NO_TASK;
114
115 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
116
117 if (restarted == GNUNET_YES)
118 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers were restarted\n");
119
120 if (restarted == GNUNET_NO)
121 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers were NOT restarted\n");
122
123 if (send_task != GNUNET_SCHEDULER_NO_TASK)
124 GNUNET_SCHEDULER_cancel (send_task);
125
126 if (cc != NULL)
127 {
128 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Fail! Could not connect peers\n"));
129 GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
130 cc = NULL;
131 }
132
133 if (th != NULL)
134 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
135 th = NULL;
136
137 if (p1 != NULL)
138 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
139 if (p2 != NULL)
140 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
141
142 ok = GNUNET_SYSERR;
143}
144
145static
146void restart (struct PeerContext *p , char * cfg_file)
147{
148 GNUNET_assert (p != NULL);
149 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
150 "Restarting peer %u (`%4s')\n",
151 p->no,
152 GNUNET_i2s (&p->id));
153 GNUNET_TRANSPORT_TESTING_restart_peer (tth, p, cfg_file);
154 return;
155}
156
157static void
158notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
159 const struct GNUNET_MessageHeader *message,
160 const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
161{
162 struct PeerContext *p = cls;
163 struct PeerContext *t = NULL;
164
165 if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
166 t = p1;
167 if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
168 t = p2;
169 GNUNET_assert (t != NULL);
170
171 char *ps = strdup (GNUNET_i2s (&p->id));
172
173 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
174 "Peer %u (`%4s') received message of type %d and size %u size from peer %u (`%4s')!\n",
175 p->no, ps, ntohs (message->type), ntohs (message->size), t->no,
176 GNUNET_i2s (&t->id));
177
178 if ((MTYPE == ntohs (message->type)) &&
179 (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
180 {
181 restarted = GNUNET_YES;
182 restart (p1, cfg_file_p1);
183 restart (p2, cfg_file_p2);
184 }
185 else
186 {
187 GNUNET_break (0);
188 ok = 1;
189 if (die_task != GNUNET_SCHEDULER_NO_TASK)
190 GNUNET_SCHEDULER_cancel (die_task);
191 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
192 }
193}
194
195
196static size_t
197notify_ready (void *cls, size_t size, void *buf)
198{
199 struct PeerContext *p = cls;
200 struct GNUNET_MessageHeader *hdr;
201
202 th = NULL;
203
204 if (buf == NULL)
205 {
206 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
207 "Timeout occurred while waiting for transmit_ready\n");
208 if (GNUNET_SCHEDULER_NO_TASK != die_task)
209 GNUNET_SCHEDULER_cancel (die_task);
210 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
211 ok = 42;
212 return 0;
213 }
214
215 GNUNET_assert (size >= 256);
216
217 if (buf != NULL)
218 {
219 hdr = buf;
220 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
221 hdr->type = htons (MTYPE);
222 }
223 char *ps = strdup (GNUNET_i2s (&p2->id));
224
225 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
226 "Peer %u (`%4s') sending message with type %u and size %u bytes to peer %u (`%4s')\n",
227 p2->no, ps, ntohs (hdr->type), ntohs (hdr->size), p->no,
228 GNUNET_i2s (&p->id));
229 GNUNET_free (ps);
230 return sizeof (struct GNUNET_MessageHeader);
231}
232
233
234static void
235sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
236{
237 send_task = GNUNET_SCHEDULER_NO_TASK;
238
239 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
240 return;
241 char *receiver_s = strdup (GNUNET_i2s (&p1->id));
242
243 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
244 "Sending message from peer %u (`%4s') -> peer %u (`%s') !\n",
245 p2->no, GNUNET_i2s (&p2->id), p1->no, receiver_s);
246 GNUNET_free (receiver_s);
247
248 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, 256, 0,
249 TIMEOUT_TRANSMIT, &notify_ready,
250 p1);
251}
252
253
254static void
255notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
256 const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
257{
258 static int c;
259
260 c++;
261 struct PeerContext *p = cls;
262 struct PeerContext *t = NULL;
263
264 if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
265 t = p1;
266 if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
267 t = p2;
268 GNUNET_assert (t != NULL);
269
270 char *ps = strdup (GNUNET_i2s (&p->id));
271
272 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
273 "Peer %u (`%4s'): peer %u (`%s') connected to me!\n", p->no, ps,
274 t->no, GNUNET_i2s (peer));
275 GNUNET_free (ps);
276
277 if ((restarted == GNUNET_YES) && (c == 4))
278 end ();
279}
280
281
282static void
283notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
284{
285 struct PeerContext *p = cls;
286 char *ps = strdup (GNUNET_i2s (&p->id));
287
288 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
289 "Peer %u (`%4s'): peer (`%s') disconnected from me!\n", p->no, ps,
290 GNUNET_i2s (peer));
291
292 if (th != NULL)
293 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
294 th = NULL;
295}
296
297static void
298testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
299{
300 cc = NULL;
301 char *p1_c = strdup (GNUNET_i2s (&p1->id));
302
303 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %u (%s) <-> %u (%s)\n",
304 p1->no, p1_c, p2->no, GNUNET_i2s (&p2->id));
305 GNUNET_free (p1_c);
306
307 send_task = GNUNET_SCHEDULER_add_now (&sendtask, NULL);
308}
309
310
311
312void
313start_cb (struct PeerContext *p, void *cls)
314{
315 static int started;
316
317 started++;
318
319 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%s') started\n", p->no,
320 GNUNET_i2s (&p->id));
321
322 if (started != 2)
323 return;
324
325 char *sender_c = strdup (GNUNET_i2s (&p1->id));
326
327 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
328 "Test tries to connect peer %u (`%s') -> peer %u (`%s')\n",
329 p1->no, sender_c, p2->no, GNUNET_i2s (&p2->id));
330
331 cc = GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
332 NULL);
333
334}
335
336static void
337run (void *cls, char *const *args, const char *cfgfile,
338 const struct GNUNET_CONFIGURATION_Handle *cfg)
339{
340 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
341
342 p1 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p1, 1,
343 &notify_receive, &notify_connect,
344 &notify_disconnect, &start_cb,
345 NULL);
346
347 p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
348 &notify_receive, &notify_connect,
349 &notify_disconnect, &start_cb,
350 NULL);
351
352 if ((p1 == NULL) || (p2 == NULL))
353 {
354 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
355 if (die_task != GNUNET_SCHEDULER_NO_TASK)
356 GNUNET_SCHEDULER_cancel (die_task);
357 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
358 return;
359 }
360}
361
362
363static int
364check ()
365{
366 static char *const argv[] = { "test-transport-api",
367 "-c",
368 "test_transport_api_data.conf",
369#if VERBOSE
370 "-L", "DEBUG",
371#endif
372 NULL
373 };
374 static struct GNUNET_GETOPT_CommandLineOption options[] = {
375 GNUNET_GETOPT_OPTION_END
376 };
377
378#if WRITECONFIG
379 setTransportOptions ("test_transport_api_data.conf");
380#endif
381 send_task = GNUNET_SCHEDULER_NO_TASK;
382
383 ok = 1;
384 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
385 "nohelp", options, &run, &ok);
386
387 return ok;
388}
389
390int
391main (int argc, char *argv[])
392{
393 int ret;
394 int nat_res;
395
396 GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
397 GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
398 GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
399 &test_plugin);
400
401 GNUNET_log_setup (test_name,
402#if VERBOSE
403 "DEBUG",
404#else
405 "WARNING",
406#endif
407 NULL);
408
409 tth = GNUNET_TRANSPORT_TESTING_init ();
410
411 if ((strcmp (test_plugin, "tcp_nat") == 0) ||
412 (strcmp (test_plugin, "udp_nat") == 0))
413 {
414 nat_res = GNUNET_OS_check_helper_binary ("gnunet-nat-server");
415 if (GNUNET_NO == nat_res)
416 {
417 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
418 "gnunet-nat-server", "SUID not set");
419 return 0;
420 }
421 if (GNUNET_SYSERR == nat_res)
422 {
423 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
424 "gnunet-nat-server", "file not found");
425 return 0;
426 }
427 }
428
429 GNUNET_asprintf(&cfg_file_p1,"test_transport_api_tcp_peer1.conf");
430 GNUNET_asprintf(&cfg_file_p2,"test_transport_api_tcp_peer2.conf");
431
432
433 ret = check ();
434
435 GNUNET_free (cfg_file_p1);
436 GNUNET_free (cfg_file_p2);
437
438 GNUNET_free (test_source);
439 GNUNET_free (test_plugin);
440 GNUNET_free (test_name);
441
442 GNUNET_TRANSPORT_TESTING_done (tth);
443
444 return ret;
445}
446
447/* end of test_transport_api_restart_2peers.c */