2 This file is part of GNUnet.
3 Copyright (C) 2011 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., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
22 * @file cadet/test_cadet_single.c
23 * @brief test cadet single: test of cadet channels with just one client
24 * @author Bartlomiej Polot
28 #include "gnunet_util_lib.h"
29 #include "gnunet_dht_service.h"
30 #include "gnunet_testing_lib.h"
31 #include "gnunet_cadet_service.h"
34 #define DATA_SIZE 35000
36 struct GNUNET_TESTING_Peer *me;
38 static struct GNUNET_CADET_Handle *cadet;
40 static struct GNUNET_CADET_Channel *ch1;
42 static struct GNUNET_CADET_Channel *ch2;
46 static struct GNUNET_SCHEDULER_Task * abort_task;
48 static struct GNUNET_SCHEDULER_Task * shutdown_task;
50 static unsigned int repetition;
53 /* forward declaration */
55 do_send (void *cls, size_t size, void *buf);
62 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
64 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shutdown\n");
65 if (NULL != abort_task)
67 GNUNET_SCHEDULER_cancel (abort_task);
71 GNUNET_CADET_channel_destroy (ch1);
73 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnect client 1\n");
74 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnect client 2\n");
77 GNUNET_CADET_disconnect (cadet);
88 * Something went wrong and timed out. Kill everything and set error flag
91 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
93 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ABORT\n");
94 result = GNUNET_SYSERR;
96 if (NULL != shutdown_task)
98 GNUNET_SCHEDULER_cancel (shutdown_task);
101 do_shutdown (cls, tc);
108 if (NULL != shutdown_task)
109 GNUNET_SCHEDULER_cancel (shutdown_task);
110 shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
116 * Function is called whenever a message is received.
118 * @param cls closure (set from GNUNET_CADET_connect)
119 * @param channel connection to the other end
120 * @param channel_ctx place to store local state associated with the channel
121 * @param message the actual message
123 * @return GNUNET_OK to keep the connection open,
124 * GNUNET_SYSERR to close it (signal serious error)
127 data_callback (void *cls, struct GNUNET_CADET_Channel *channel,
129 const struct GNUNET_MessageHeader *message)
131 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
132 "Data callback! Repetition %u/%u\n",
133 repetition, REPETITIONS);
134 repetition = repetition + 1;
135 if (repetition < REPETITIONS)
137 struct GNUNET_CADET_Channel *my_channel;
138 if (repetition % 2 == 0)
142 GNUNET_CADET_notify_transmit_ready (my_channel, GNUNET_NO,
143 GNUNET_TIME_UNIT_FOREVER_REL,
144 sizeof (struct GNUNET_MessageHeader)
147 GNUNET_CADET_receive_done (channel);
150 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All data OK. Destroying channel.\n");
151 GNUNET_CADET_channel_destroy (ch1);
158 * Method called whenever another peer has added us to a channel
159 * the other peer initiated.
162 * @param channel new handle to the channel
163 * @param initiator peer that started the channel
164 * @param port port number
165 * @param options channel option flags
166 * @return initial channel context for the channel
167 * (can be NULL -- that's not an error)
170 inbound_channel (void *cls, struct GNUNET_CADET_Channel *channel,
171 const struct GNUNET_PeerIdentity *initiator,
172 uint32_t port, enum GNUNET_CADET_ChannelOption options)
174 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
175 "received incoming channel on port %u\n",
183 * Function called whenever an inbound channel is destroyed. Should clean up
184 * any associated state.
186 * @param cls closure (set from GNUNET_CADET_connect)
187 * @param channel connection to the other end (henceforth invalid)
188 * @param channel_ctx place where local state associated
189 * with the channel is stored
192 channel_end (void *cls, const struct GNUNET_CADET_Channel *channel,
195 long id = (long) cls;
197 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
198 "incoming channel closed at peer %ld\n",
200 if (REPETITIONS == repetition && channel == ch2)
203 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "everything fine! finishing!\n");
211 * Handler array for traffic received on peer1
213 static struct GNUNET_CADET_MessageHandler handlers1[] = {
214 {&data_callback, 1, 0},
220 * Data send callback: fillbuffer with test packet.
222 * @param cls Closure (unused).
223 * @param size Buffer size.
224 * @param buf Buffer to fill.
226 * @return size of test packet.
229 do_send (void *cls, size_t size, void *buf)
231 struct GNUNET_MessageHeader *m = buf;
236 result = GNUNET_SYSERR;
239 m->size = htons (sizeof (struct GNUNET_MessageHeader));
241 memset (&m[1], 0, DATA_SIZE);
242 GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader) + DATA_SIZE);
243 return sizeof (struct GNUNET_MessageHeader) + DATA_SIZE;
247 * Connect to other client and send data
249 * @param cls Closue (unused).
250 * @param tc TaskContext.
253 do_connect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
255 struct GNUNET_PeerIdentity id;
256 size_t size = sizeof (struct GNUNET_MessageHeader) + DATA_SIZE;
258 if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
261 GNUNET_TESTING_peer_get_identity (me, &id);
262 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "CONNECT BY PORT\n");
263 ch1 = GNUNET_CADET_channel_create (cadet, NULL, &id, 1,
264 GNUNET_CADET_OPTION_DEFAULT);
265 GNUNET_CADET_notify_transmit_ready (ch1, GNUNET_NO,
266 GNUNET_TIME_UNIT_FOREVER_REL,
267 size, &do_send, NULL);
272 * Initialize framework and start test
274 * @param cls Closure (unused).
275 * @param cfg Configuration handle.
276 * @param peer Testing peer handle.
280 const struct GNUNET_CONFIGURATION_Handle *cfg,
281 struct GNUNET_TESTING_Peer *peer)
283 static uint32_t ports[] = {1, 0};
287 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
288 (GNUNET_TIME_UNIT_SECONDS, 15), &do_abort,
290 cadet = GNUNET_CADET_connect (cfg, /* configuration */
291 (void *) 1L, /* cls */
292 &inbound_channel, /* inbound new hndlr */
293 &channel_end, /* inbound end hndlr */
294 handlers1, /* traffic handlers */
295 ports); /* ports offered */
299 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Couldn't connect to cadet :(\n");
300 result = GNUNET_SYSERR;
305 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "YAY! CONNECTED TO CADET :D\n");
307 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &do_connect, NULL);
315 main (int argc, char *argv[])
318 if (0 != GNUNET_TESTING_peer_run ("test-cadet-local",
322 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "run failed\n");
325 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Final result: %d\n", result);
326 return (result == GNUNET_OK) ? 0 : 1;
329 /* end of test_cadet_single.c */