2 This file is part of GNUnet.
3 (C) 2012 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
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 * @file mesh/test_mesh_regex.c
23 * @brief Test for regex announce / by_string connect.
24 * based on the 2dtorus testcase
27 #include "mesh_test_lib.h"
28 #include "gnunet_mesh_service.h"
30 #define REMOVE_DIR GNUNET_YES
31 #define MESH_REGEX_PEERS 4
34 * How long until we give up on connecting the peers?
36 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
39 * Time to wait for stuff that should be rather fast
41 #define SHORT_TIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
44 * Which strings have been found & connected.
46 static int ok[MESH_REGEX_PEERS];
49 * How many connects have happened.
51 static int regex_peers;
54 * Total number of currently running peers.
56 static unsigned long long peers_running;
59 * Task called to disconnect peers
61 static GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
64 * Task called to shutdown test.
66 static GNUNET_SCHEDULER_TaskIdentifier shutdown_handle;
69 * Mesh handle for connecting peer.
71 static struct GNUNET_MESH_Handle *h1;
74 * Mesh handle for announcing peers.
76 static struct GNUNET_MESH_Handle *h2[MESH_REGEX_PEERS];
79 * Tunnel handles for announcing peer.
81 static struct GNUNET_MESH_Tunnel *t[MESH_REGEX_PEERS];
84 * Incoming tunnels for announcing peers.
86 static struct GNUNET_MESH_Tunnel *incoming_t[MESH_REGEX_PEERS];
89 * Test context (to shut down).
91 struct GNUNET_MESH_TEST_Context *test_ctx;
94 * Regular expressions for the announces.
96 static char *regexes[MESH_REGEX_PEERS] = {"(0|1)"
102 "1234567890123456789012340*123456789ABC*",
104 "GNUNETVPN0001000IPEX401110011101100100000111(0|1)*"};
108 * Service strings to look for.
110 static char *strings[MESH_REGEX_PEERS] = {"1123456789ABC",
114 "12345678901234567890123400123456789ABCCCC",
116 "GNUNETVPN0001000IPEX401110011101100100000111"};
121 * Task to run for shutdown: stops peers, ends test.
123 * @param cls Closure (not used).
124 * @param tc TaskContext.
128 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
130 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Ending test.\n");
131 shutdown_handle = GNUNET_SCHEDULER_NO_TASK;
136 * Ends test: Disconnects peers and calls shutdown.
137 * @param cls Closure (not used).
138 * @param tc TaskContext.
141 disconnect_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
145 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: disconnecting peers\n");
147 for (i = 0; i < MESH_REGEX_PEERS; i++)
149 GNUNET_MESH_tunnel_destroy (t[i]);
150 GNUNET_MESH_disconnect (h2[i]);
152 GNUNET_MESH_disconnect (h1);
153 if (GNUNET_SCHEDULER_NO_TASK != shutdown_handle)
155 GNUNET_SCHEDULER_cancel (shutdown_handle);
157 GNUNET_MESH_TEST_cleanup (test_ctx);
158 shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
162 * Function called whenever an inbound tunnel is destroyed. Should clean up
163 * any associated state.
165 * @param cls closure (set from GNUNET_MESH_connect)
166 * @param tunnel connection to the other end (henceforth invalid)
167 * @param tunnel_ctx place where local state associated
168 * with the tunnel is stored
171 tunnel_cleaner (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
176 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
177 "Incoming tunnel disconnected at peer %d\n",
184 * Method called whenever a tunnel falls apart.
187 * @param peer peer identity the tunnel stopped working with
190 dh (void *cls, const struct GNUNET_PeerIdentity *peer)
192 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
193 "peer %s disconnected\n",
199 * Function called to notify a client about the connection
200 * begin ready to queue more data. "buf" will be
201 * NULL and "size" zero if the connection was closed for
202 * writing in the meantime.
205 * @param size number of bytes available in buf
206 * @param buf where the callee should write the message
207 * @return number of bytes written to buf
210 data_ready (void *cls, size_t size, void *buf)
212 struct GNUNET_MessageHeader *m = buf;
214 if (NULL == buf || size < sizeof(struct GNUNET_MessageHeader))
217 m->size = htons (sizeof(struct GNUNET_MessageHeader));
218 return sizeof(struct GNUNET_MessageHeader);
222 * Method called whenever a peer connects to a tunnel.
225 * @param peer peer identity the tunnel was created to, NULL on timeout
226 * @param atsi performance data for the connection
229 ch (void *cls, const struct GNUNET_PeerIdentity *peer,
230 const struct GNUNET_ATS_Information *atsi)
234 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
235 "Peer connected: %s\n",
239 GNUNET_MESH_notify_transmit_ready(t[i], GNUNET_NO,
240 GNUNET_TIME_UNIT_FOREVER_REL,
242 sizeof(struct GNUNET_MessageHeader),
247 * Method called whenever another peer has added us to a tunnel
248 * the other peer initiated.
251 * @param tunnel new handle to the tunnel
252 * @param initiator peer that started the tunnel
253 * @param atsi performance information for the tunnel
254 * @return initial tunnel context for the tunnel
255 * (can be NULL -- that's not an error)
258 incoming_tunnel (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
259 const struct GNUNET_PeerIdentity *initiator,
260 const struct GNUNET_ATS_Information *atsi)
264 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
265 "Incoming tunnel from %s to peer %d\n",
266 GNUNET_i2s (initiator), i);
267 if (i >= 10L && i <= 10L + MESH_REGEX_PEERS)
269 incoming_t[i - 10L] = tunnel;
270 ok[i - 10L] = GNUNET_OK;
274 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
275 "Incoming tunnel for unknown client %lu\n", (long) cls);
277 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
279 GNUNET_SCHEDULER_cancel (disconnect_task);
281 GNUNET_SCHEDULER_add_delayed (SHORT_TIME, &disconnect_peers, NULL);
287 * Function is called whenever a message is received.
289 * @param cls closure (set from GNUNET_MESH_connect)
290 * @param tunnel connection to the other end
291 * @param tunnel_ctx place to store local state associated with the tunnel
292 * @param sender who sent the message
293 * @param message the actual message
294 * @param atsi performance data for the connection
295 * @return GNUNET_OK to keep the connection open,
296 * GNUNET_SYSERR to close it (signal serious error)
299 data_callback (void *cls, struct GNUNET_MESH_Tunnel *tunnel, void **tunnel_ctx,
300 const struct GNUNET_PeerIdentity *sender,
301 const struct GNUNET_MessageHeader *message,
302 const struct GNUNET_ATS_Information *atsi)
305 long peer_number = (long) cls;
307 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "got data on peer %ld!\n", peer_number);
308 for (i = 0; i < MESH_REGEX_PEERS; i++)
310 if (GNUNET_OK != ok[i]) {
311 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
312 "data from peer %u still missing!\n", i + 10);
316 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
317 "test: EVERYONE GOT DATA, FINISHING!\n");
318 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
320 GNUNET_SCHEDULER_cancel (disconnect_task);
323 GNUNET_SCHEDULER_add_now (&disconnect_peers, NULL);
328 * Handlers, for diverse services
330 static struct GNUNET_MESH_MessageHandler handlers[] = {
331 {&data_callback, 1, sizeof (struct GNUNET_MessageHeader)},
337 * test main: start test when all peers are connected
339 * @param cls Closure.
340 * @param ctx Argument to give to GNUNET_MESH_TEST_cleanup on test end.
341 * @param num_peers Number of peers that are running.
342 * @param peers Array of peers.
343 * @param meshes Handle to each of the MESHs of the peers.
347 struct GNUNET_MESH_TEST_Context *ctx,
348 unsigned int num_peers,
349 struct GNUNET_TESTBED_Peer **peers,
350 struct GNUNET_MESH_Handle **meshes)
354 shutdown_handle = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
355 &shutdown_task, NULL);
359 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
360 "running peers mismatch, aborting test!\n");
361 GNUNET_MESH_TEST_cleanup (ctx);
364 peers_running = num_peers;
366 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &disconnect_peers, NULL);
368 // h1 = GNUNET_MESH_connect (d->cfg, (void *) 1L,
375 for (i = 0; i < MESH_REGEX_PEERS; i++)
378 // h2[i] = GNUNET_MESH_connect (d->cfg, (void *) (long) (i + 2),
383 h2[i] = meshes[10 + i];
384 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
385 "Announce REGEX %u: %s\n", i, regexes[i]);
386 GNUNET_MESH_announce_regex (h2[i], regexes[i], 1);
389 for (i = 0; i < MESH_REGEX_PEERS; i++)
391 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
393 t[i] = GNUNET_MESH_tunnel_create (h1, NULL, &ch, &dh, (void *) (long) i);
394 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
395 "Connect by string %s\n", strings[i]);
396 GNUNET_MESH_peer_request_connect_by_string (t[i], strings[i]);
398 /* connect handler = success, timeout = error */
407 main (int argc, char *argv[])
412 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Start\n");
414 GNUNET_MESH_TEST_run ("test_mesh_regex",
415 "test_mesh_2dtorus.conf",
425 for (i = 0; i < MESH_REGEX_PEERS; i++)
427 if (GNUNET_OK != ok[i])
429 result = GNUNET_SYSERR;
430 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
431 "COULD NOT CONNECT TO %u: %s!\n",
435 if (GNUNET_OK != result || regex_peers != MESH_REGEX_PEERS)
437 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
438 "test: FAILED! %u connected peers\n",
442 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test: success\n");
446 /* end of test_mesh_regex.c */