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_restart_2peers.c
22 * @brief base test case for transport implementations
24 * This test case starts 2 peers, connects and exchanges a message
25 * boths peer are restarted and tested if peers reconnect
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"
39 #define START_ARM GNUNET_YES
42 * How long until we give up on transmitting the message?
44 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
47 * How long until we give up on transmitting the message?
49 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
53 static char *test_name;
57 static GNUNET_SCHEDULER_TaskIdentifier die_task;
59 static GNUNET_SCHEDULER_TaskIdentifier send_task;
61 static GNUNET_SCHEDULER_TaskIdentifier reconnect_task;
63 static struct PeerContext *p1;
65 static struct PeerContext *p2;
67 static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
69 static struct GNUNET_TRANSPORT_TransmitHandle *th;
71 static struct GNUNET_TRANSPORT_TESTING_handle *tth;
73 static char *cfg_file_p1;
75 static char *cfg_file_p2;
83 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
85 if (send_task != GNUNET_SCHEDULER_NO_TASK)
86 GNUNET_SCHEDULER_cancel (send_task);
87 send_task = GNUNET_SCHEDULER_NO_TASK;
89 if (reconnect_task != GNUNET_SCHEDULER_NO_TASK)
90 GNUNET_SCHEDULER_cancel (reconnect_task);
91 reconnect_task = GNUNET_SCHEDULER_NO_TASK;
93 if (die_task != GNUNET_SCHEDULER_NO_TASK)
94 GNUNET_SCHEDULER_cancel (die_task);
95 die_task = GNUNET_SCHEDULER_NO_TASK;
98 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
101 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
102 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
106 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
108 die_task = GNUNET_SCHEDULER_NO_TASK;
110 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
112 if (restarted == GNUNET_YES)
113 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peer was restarted\n");
115 if (restarted == GNUNET_NO)
116 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peer was NOT restarted\n");
118 if (reconnect_task != GNUNET_SCHEDULER_NO_TASK)
119 GNUNET_SCHEDULER_cancel (reconnect_task);
120 reconnect_task = GNUNET_SCHEDULER_NO_TASK;
122 if (send_task != GNUNET_SCHEDULER_NO_TASK)
123 GNUNET_SCHEDULER_cancel (send_task);
124 send_task = GNUNET_SCHEDULER_NO_TASK;
128 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Fail! Could not connect peers\n"));
129 GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
134 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
138 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
140 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
146 reconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
148 struct PeerContext *p = cls;
150 reconnect_task = GNUNET_SCHEDULER_NO_TASK;
152 GNUNET_TRANSPORT_try_connect (p1->th, &p2->id);
154 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &reconnect, p);
158 restart_cb (struct PeerContext *p, void *cls)
167 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
168 "Restarted peer %u (`%4s'), issuing reconnect\n", p->no,
169 GNUNET_i2s (&p->id));
171 reconnect_task = GNUNET_SCHEDULER_add_now (&reconnect, p);
175 restart (struct PeerContext *p, char *cfg_file)
177 GNUNET_assert (p != NULL);
178 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Restarting peer %u (`%4s')\n", p->no,
179 GNUNET_i2s (&p->id));
180 GNUNET_TRANSPORT_TESTING_restart_peer (tth, p, cfg_file, &restart_cb, p);
185 notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
186 const struct GNUNET_MessageHeader *message,
187 const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
189 struct PeerContext *p = cls;
190 struct PeerContext *t = NULL;
192 if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
194 if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
196 GNUNET_assert (t != NULL);
198 char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
200 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
201 "Peer %u (`%4s') received message of type %d and size %u size from peer %u (`%4s')!\n",
202 p->no, ps, ntohs (message->type), ntohs (message->size), t->no,
203 GNUNET_i2s (&t->id));
206 if ((MTYPE == ntohs (message->type)) &&
207 (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
209 if (restarted == GNUNET_NO)
211 restarted = GNUNET_YES;
212 restart (p1, cfg_file_p1);
213 restart (p2, cfg_file_p2);
218 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
219 "Restarted peers connected, stopping test...\n");
228 if (die_task != GNUNET_SCHEDULER_NO_TASK)
229 GNUNET_SCHEDULER_cancel (die_task);
230 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
236 notify_ready (void *cls, size_t size, void *buf)
238 struct PeerContext *p = cls;
239 struct GNUNET_MessageHeader *hdr;
245 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
246 "Timeout occurred while waiting for transmit_ready\n");
247 if (GNUNET_SCHEDULER_NO_TASK != die_task)
248 GNUNET_SCHEDULER_cancel (die_task);
249 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
254 GNUNET_assert (size >= 256);
259 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
260 hdr->type = htons (MTYPE);
262 char *ps = GNUNET_strdup (GNUNET_i2s (&p2->id));
264 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
265 "Peer %u (`%4s') sending message with type %u and size %u bytes to peer %u (`%4s')\n",
266 p2->no, ps, ntohs (hdr->type), ntohs (hdr->size), p->no,
267 GNUNET_i2s (&p->id));
269 return sizeof (struct GNUNET_MessageHeader);
274 sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
276 send_task = GNUNET_SCHEDULER_NO_TASK;
278 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
280 char *receiver_s = GNUNET_strdup (GNUNET_i2s (&p1->id));
282 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
283 "Sending message from peer %u (`%4s') -> peer %u (`%s') !\n",
284 p2->no, GNUNET_i2s (&p2->id), p1->no, receiver_s);
285 GNUNET_free (receiver_s);
287 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, 256, 0,
288 TIMEOUT_TRANSMIT, ¬ify_ready,
294 notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
295 const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
300 struct PeerContext *p = cls;
301 struct PeerContext *t = NULL;
303 if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
305 if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
307 GNUNET_assert (t != NULL);
309 char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
311 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
312 "Peer %u (`%4s'): peer %u (`%s') connected to me!\n", p->no, ps,
313 t->no, GNUNET_i2s (peer));
316 if ((restarted == GNUNET_YES) && (c == 4))
318 send_task = GNUNET_SCHEDULER_add_now (&sendtask, NULL);
324 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
326 struct PeerContext *p = cls;
329 char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
331 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
332 "Peer %u (`%4s'): peer (`%s') disconnected from me!\n", p->no, ps,
337 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
339 if (GNUNET_SCHEDULER_NO_TASK != send_task)
340 GNUNET_SCHEDULER_cancel (send_task);
341 send_task = GNUNET_SCHEDULER_NO_TASK;
346 testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
349 char *p1_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
351 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %u (%s) <-> %u (%s)\n",
352 p1->no, p1_c, p2->no, GNUNET_i2s (&p2->id));
355 send_task = GNUNET_SCHEDULER_add_now (&sendtask, NULL);
361 start_cb (struct PeerContext *p, void *cls)
367 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%s') started\n", p->no,
368 GNUNET_i2s (&p->id));
373 char *sender_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
375 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
376 "Test tries to connect peer %u (`%s') -> peer %u (`%s')\n",
377 p1->no, sender_c, p2->no, GNUNET_i2s (&p2->id));
378 GNUNET_free (sender_c);
380 cc = GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
386 run (void *cls, char *const *args, const char *cfgfile,
387 const struct GNUNET_CONFIGURATION_Handle *cfg)
389 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
391 p1 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p1, 1,
392 ¬ify_receive, ¬ify_connect,
393 ¬ify_disconnect, &start_cb,
396 p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
397 ¬ify_receive, ¬ify_connect,
398 ¬ify_disconnect, &start_cb,
401 if ((p1 == NULL) || (p2 == NULL))
403 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
404 if (die_task != GNUNET_SCHEDULER_NO_TASK)
405 GNUNET_SCHEDULER_cancel (die_task);
406 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
415 static char *const argv[] = { "test-transport-api",
417 "test_transport_api_data.conf",
420 static struct GNUNET_GETOPT_CommandLineOption options[] = {
421 GNUNET_GETOPT_OPTION_END
425 setTransportOptions ("test_transport_api_data.conf");
427 send_task = GNUNET_SCHEDULER_NO_TASK;
430 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
431 "nohelp", options, &run, &ok);
437 main (int argc, char *argv[])
441 GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
442 GNUNET_log_setup (test_name,
445 tth = GNUNET_TRANSPORT_TESTING_init ();
446 GNUNET_asprintf (&cfg_file_p1, "test_transport_api_tcp_peer1.conf");
447 GNUNET_asprintf (&cfg_file_p2, "test_transport_api_tcp_peer2.conf");
449 GNUNET_free (cfg_file_p1);
450 GNUNET_free (cfg_file_p2);
451 GNUNET_free (test_name);
452 GNUNET_TRANSPORT_TESTING_done (tth);
456 /* end of test_transport_api_restart_2peers.c */