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
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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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.
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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_transport_service.h"
30 #include "transport-testing.h"
33 * How long until we give up on transmitting the message?
35 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90)
38 * How long until we give up on transmitting the message?
40 #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
44 static char *test_name;
48 static GNUNET_SCHEDULER_TaskIdentifier die_task;
50 static GNUNET_SCHEDULER_TaskIdentifier send_task;
52 static GNUNET_SCHEDULER_TaskIdentifier reconnect_task;
54 static struct PeerContext *p1;
56 static struct PeerContext *p2;
58 static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
60 static struct GNUNET_TRANSPORT_TransmitHandle *th;
62 static struct GNUNET_TRANSPORT_TESTING_handle *tth;
64 static char *cfg_file_p1;
66 static char *cfg_file_p2;
74 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
75 if (send_task != GNUNET_SCHEDULER_NO_TASK)
76 GNUNET_SCHEDULER_cancel (send_task);
77 send_task = GNUNET_SCHEDULER_NO_TASK;
79 if (reconnect_task != GNUNET_SCHEDULER_NO_TASK)
80 GNUNET_SCHEDULER_cancel (reconnect_task);
81 reconnect_task = GNUNET_SCHEDULER_NO_TASK;
83 if (die_task != GNUNET_SCHEDULER_NO_TASK)
84 GNUNET_SCHEDULER_cancel (die_task);
85 die_task = GNUNET_SCHEDULER_NO_TASK;
88 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
91 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
92 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
97 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
99 die_task = GNUNET_SCHEDULER_NO_TASK;
101 if (restarted == GNUNET_YES)
102 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peer was restarted, but communication did not resume\n");
104 if (restarted == GNUNET_NO)
105 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peer was NOT (even) restarted\n");
107 if (reconnect_task != GNUNET_SCHEDULER_NO_TASK)
108 GNUNET_SCHEDULER_cancel (reconnect_task);
109 reconnect_task = GNUNET_SCHEDULER_NO_TASK;
111 if (send_task != GNUNET_SCHEDULER_NO_TASK)
112 GNUNET_SCHEDULER_cancel (send_task);
113 send_task = GNUNET_SCHEDULER_NO_TASK;
117 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Fail! Could not connect peers\n"));
118 GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
123 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
127 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
129 GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
136 reconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
138 struct PeerContext *p = cls;
140 reconnect_task = GNUNET_SCHEDULER_NO_TASK;
141 GNUNET_TRANSPORT_try_connect (p1->th, &p2->id, NULL, NULL); /*FIXME TRY_CONNECT change */
143 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &reconnect, p);
148 restart_cb (struct PeerContext *p, void *cls)
155 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
156 "Restarted peer %u (`%4s'), issuing reconnect\n", p->no,
157 GNUNET_i2s (&p->id));
158 reconnect_task = GNUNET_SCHEDULER_add_now (&reconnect, p);
163 restart (struct PeerContext *p, char *cfg_file)
165 GNUNET_assert (p != NULL);
166 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Restarting peer %u (`%4s')\n", p->no,
167 GNUNET_i2s (&p->id));
168 GNUNET_TRANSPORT_TESTING_restart_peer (tth, p, cfg_file, &restart_cb, p);
173 notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
174 const struct GNUNET_MessageHeader *message)
176 struct PeerContext *p = cls;
177 struct PeerContext *t = NULL;
179 if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
181 if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
183 GNUNET_assert (t != NULL);
185 char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
187 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
188 "Peer %u (`%4s') received message of type %d and size %u size from peer %u (`%4s')!\n",
189 p->no, ps, ntohs (message->type), ntohs (message->size), t->no,
190 GNUNET_i2s (&t->id));
193 if ((MTYPE == ntohs (message->type)) &&
194 (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
196 if (restarted == GNUNET_NO)
198 restarted = GNUNET_YES;
199 restart (p1, cfg_file_p1);
200 restart (p2, cfg_file_p2);
205 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
206 "Restarted peers connected, stopping test...\n");
215 if (die_task != GNUNET_SCHEDULER_NO_TASK)
216 GNUNET_SCHEDULER_cancel (die_task);
217 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
223 notify_ready (void *cls, size_t size, void *buf)
225 struct PeerContext *p = cls;
226 struct GNUNET_MessageHeader *hdr;
231 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
232 "Timeout occurred while waiting for transmit_ready\n");
233 if (GNUNET_SCHEDULER_NO_TASK != die_task)
234 GNUNET_SCHEDULER_cancel (die_task);
235 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
240 GNUNET_assert (size >= 256);
245 hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
246 hdr->type = htons (MTYPE);
248 char *ps = GNUNET_strdup (GNUNET_i2s (&p2->id));
250 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
251 "Peer %u (`%4s') sending message with type %u and size %u bytes to peer %u (`%4s')\n",
252 p2->no, ps, ntohs (hdr->type), ntohs (hdr->size), p->no,
253 GNUNET_i2s (&p->id));
255 return sizeof (struct GNUNET_MessageHeader);
260 sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
262 send_task = GNUNET_SCHEDULER_NO_TASK;
264 if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
266 char *receiver_s = GNUNET_strdup (GNUNET_i2s (&p1->id));
268 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
269 "Sending message from peer %u (`%4s') -> peer %u (`%s') !\n",
270 p2->no, GNUNET_i2s (&p2->id), p1->no, receiver_s);
271 GNUNET_free (receiver_s);
273 th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, 256,
274 TIMEOUT_TRANSMIT, ¬ify_ready,
280 notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer)
285 struct PeerContext *p = cls;
286 struct PeerContext *t = NULL;
288 if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
290 if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
292 GNUNET_assert (t != NULL);
294 char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
296 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
297 "Peer %u (`%4s'): peer %u (`%s') connected to me!\n", p->no, ps,
298 t->no, GNUNET_i2s (peer));
301 if ((restarted == GNUNET_YES) && (c == 4))
303 send_task = GNUNET_SCHEDULER_add_now (&sendtask, NULL);
309 notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
311 struct PeerContext *p = cls;
314 char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
316 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
317 "Peer %u (`%4s'): peer (`%s') disconnected from me!\n", p->no, ps,
322 GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
324 if (GNUNET_SCHEDULER_NO_TASK != send_task)
325 GNUNET_SCHEDULER_cancel (send_task);
326 send_task = GNUNET_SCHEDULER_NO_TASK;
331 testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
334 char *p1_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
336 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %u (%s) <-> %u (%s)\n",
337 p1->no, p1_c, p2->no, GNUNET_i2s (&p2->id));
340 send_task = GNUNET_SCHEDULER_add_now (&sendtask, NULL);
345 start_cb (struct PeerContext *p, void *cls)
351 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%s') started\n", p->no,
352 GNUNET_i2s (&p->id));
357 char *sender_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
359 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
360 "Test tries to connect peer %u (`%s') -> peer %u (`%s')\n",
361 p1->no, sender_c, p2->no, GNUNET_i2s (&p2->id));
362 GNUNET_free (sender_c);
364 cc = GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
371 run (void *cls, char *const *args, const char *cfgfile,
372 const struct GNUNET_CONFIGURATION_Handle *cfg)
374 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
376 p1 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p1, 1,
377 ¬ify_receive, ¬ify_connect,
378 ¬ify_disconnect, &start_cb,
381 p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
382 ¬ify_receive, ¬ify_connect,
383 ¬ify_disconnect, &start_cb,
386 if ((p1 == NULL) || (p2 == NULL))
388 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
389 if (die_task != GNUNET_SCHEDULER_NO_TASK)
390 GNUNET_SCHEDULER_cancel (die_task);
391 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
400 static char *const argv[] = { "test-transport-api",
402 "test_transport_api_data.conf",
405 static struct GNUNET_GETOPT_CommandLineOption options[] = {
406 GNUNET_GETOPT_OPTION_END
409 send_task = GNUNET_SCHEDULER_NO_TASK;
412 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
413 "nohelp", options, &run, NULL);
420 main (int argc, char *argv[])
424 GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
425 GNUNET_log_setup (test_name,
428 tth = GNUNET_TRANSPORT_TESTING_init ();
429 GNUNET_asprintf (&cfg_file_p1, "test_transport_api_tcp_peer1.conf");
430 GNUNET_asprintf (&cfg_file_p2, "test_transport_api_tcp_peer2.conf");
432 GNUNET_free (cfg_file_p1);
433 GNUNET_free (cfg_file_p2);
434 GNUNET_free (test_name);
435 GNUNET_TRANSPORT_TESTING_done (tth);
439 /* end of test_transport_api_restart_2peers.c */