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, 30)
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 * Regular expressions for the announces.
91 static char *regexes[MESH_REGEX_PEERS] = {"(0|1)"
97 "1234567890123456789012340*123456789ABC*",
99 "GNUNETVPN0001000IPEX401110011101100100000111(0|1)*"};
103 * Service strings to look for.
105 static char *strings[MESH_REGEX_PEERS] = {"1123456789ABC",
109 "12345678901234567890123400123456789ABCCCC",
111 "GNUNETVPN0001000IPEX401110011101100100000111"};
116 * Task to run for shutdown: stops peers, ends test.
118 * @param cls Closure (not used).
119 * @param tc TaskContext.
123 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
125 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Ending test.\n");
126 shutdown_handle = GNUNET_SCHEDULER_NO_TASK;
131 * Ends test: Disconnects peers and calls shutdown.
132 * @param cls Closure (not used).
133 * @param tc TaskContext.
136 disconnect_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
140 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: disconnecting peers\n");
142 for (i = 0; i < MESH_REGEX_PEERS; i++)
144 GNUNET_MESH_tunnel_destroy (t[i]);
145 GNUNET_MESH_disconnect (h2[i]);
147 GNUNET_MESH_disconnect (h1);
148 if (GNUNET_SCHEDULER_NO_TASK != shutdown_handle)
150 GNUNET_SCHEDULER_cancel (shutdown_handle);
152 shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
156 * Function called whenever an inbound tunnel is destroyed. Should clean up
157 * any associated state.
159 * @param cls closure (set from GNUNET_MESH_connect)
160 * @param tunnel connection to the other end (henceforth invalid)
161 * @param tunnel_ctx place where local state associated
162 * with the tunnel is stored
165 tunnel_cleaner (void *cls, const struct GNUNET_MESH_Tunnel *tunnel,
170 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
171 "Incoming tunnel disconnected at peer %d\n",
178 * Method called whenever a tunnel falls apart.
181 * @param peer peer identity the tunnel stopped working with
184 dh (void *cls, const struct GNUNET_PeerIdentity *peer)
186 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
187 "peer %s disconnected\n",
193 * Function called to notify a client about the connection
194 * begin ready to queue more data. "buf" will be
195 * NULL and "size" zero if the connection was closed for
196 * writing in the meantime.
199 * @param size number of bytes available in buf
200 * @param buf where the callee should write the message
201 * @return number of bytes written to buf
204 data_ready (void *cls, size_t size, void *buf)
206 struct GNUNET_MessageHeader *m = buf;
208 if (NULL == buf || size < sizeof(struct GNUNET_MessageHeader))
211 m->size = htons (sizeof(struct GNUNET_MessageHeader));
212 return sizeof(struct GNUNET_MessageHeader);
216 * Method called whenever a peer connects to a tunnel.
219 * @param peer peer identity the tunnel was created to, NULL on timeout
220 * @param atsi performance data for the connection
223 ch (void *cls, const struct GNUNET_PeerIdentity *peer,
224 const struct GNUNET_ATS_Information *atsi)
228 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
229 "Peer connected: %s\n",
233 GNUNET_MESH_notify_transmit_ready(t[i], GNUNET_NO,
234 GNUNET_TIME_UNIT_FOREVER_REL,
236 sizeof(struct GNUNET_MessageHeader),
241 * Method called whenever another peer has added us to a tunnel
242 * the other peer initiated.
245 * @param tunnel new handle to the tunnel
246 * @param initiator peer that started the tunnel
247 * @param atsi performance information for the tunnel
248 * @return initial tunnel context for the tunnel
249 * (can be NULL -- that's not an error)
252 incoming_tunnel (void *cls, struct GNUNET_MESH_Tunnel *tunnel,
253 const struct GNUNET_PeerIdentity *initiator,
254 const struct GNUNET_ATS_Information *atsi)
257 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
258 "Incoming tunnel from %s to peer %d\n",
259 GNUNET_i2s (initiator), (long) cls);
260 if (i > 1L && i <= 1L + MESH_REGEX_PEERS)
262 incoming_t[i - 2] = tunnel;
263 ok[i - 2] = GNUNET_OK;
267 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
268 "Incoming tunnel for unknown client %lu\n", (long) cls);
270 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
272 GNUNET_SCHEDULER_cancel (disconnect_task);
274 GNUNET_SCHEDULER_add_delayed (SHORT_TIME, &disconnect_peers, NULL);
280 * Function is called whenever a message is received.
282 * @param cls closure (set from GNUNET_MESH_connect)
283 * @param tunnel connection to the other end
284 * @param tunnel_ctx place to store local state associated with the tunnel
285 * @param sender who sent the message
286 * @param message the actual message
287 * @param atsi performance data for the connection
288 * @return GNUNET_OK to keep the connection open,
289 * GNUNET_SYSERR to close it (signal serious error)
292 data_callback (void *cls, struct GNUNET_MESH_Tunnel *tunnel, void **tunnel_ctx,
293 const struct GNUNET_PeerIdentity *sender,
294 const struct GNUNET_MessageHeader *message,
295 const struct GNUNET_ATS_Information *atsi)
298 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
299 "test: GOT DATA!\n");
300 for (i = 0; i < MESH_REGEX_PEERS; i++)
302 if (GNUNET_OK != ok[i]) {
303 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
304 "test: %u DATA MISSING!\n", i);
308 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
309 "test: EVERYONE GOT DATA, FINISHING!\n");
310 if (GNUNET_SCHEDULER_NO_TASK != disconnect_task)
312 GNUNET_SCHEDULER_cancel (disconnect_task);
314 GNUNET_SCHEDULER_add_now (&disconnect_peers, NULL);
320 * Handlers, for diverse services
322 static struct GNUNET_MESH_MessageHandler handlers[] = {
323 {&data_callback, 1, sizeof (struct GNUNET_MessageHeader)},
329 * test main: start test when all peers are connected
331 * @param cls Closure.
332 * @param ctx Argument to give to GNUNET_MESH_TEST_cleanup on test end.
333 * @param num_peers Number of peers that are running.
334 * @param peers Array of peers.
335 * @param meshes Handle to each of the MESHs of the peers.
339 struct GNUNET_MESH_TEST_Context *ctx,
340 unsigned int num_peers,
341 struct GNUNET_TESTBED_Peer **peers,
342 struct GNUNET_MESH_Handle **meshes)
347 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
348 &shutdown_task, NULL);
351 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
352 "running peers mismatch, aborting test!\n");
353 GNUNET_MESH_TEST_cleanup (ctx);
356 peers_running = num_peers;
358 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &disconnect_peers, NULL);
360 // h1 = GNUNET_MESH_connect (d->cfg, (void *) 1L,
367 for (i = 0; i < MESH_REGEX_PEERS; i++)
370 // h2[i] = GNUNET_MESH_connect (d->cfg, (void *) (long) (i + 2),
375 h2[i] = meshes[10 + i];
376 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
377 "Announce REGEX %u: %s\n", i, regexes[i]);
378 GNUNET_MESH_announce_regex (h2[i], regexes[i], 1);
381 for (i = 0; i < MESH_REGEX_PEERS; i++)
383 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
385 t[i] = GNUNET_MESH_tunnel_create (h1, NULL, &ch, &dh, (void *) (long) i);
386 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
387 "Connect by string %s\n", strings[i]);
388 GNUNET_MESH_peer_request_connect_by_string (t[i], strings[i]);
390 /* connect handler = success, timeout = error */
399 main (int argc, char *argv[])
404 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: Start\n");
406 GNUNET_MESH_TEST_run ("test_mesh_regex",
407 "test_mesh_2dtorus.conf",
417 for (i = 0; i < MESH_REGEX_PEERS; i++)
419 if (GNUNET_OK != ok[i])
421 result = GNUNET_SYSERR;
422 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
423 "COULD NOT CONNECT TO %u: %s!\n",
427 if (GNUNET_OK != result || regex_peers != MESH_REGEX_PEERS)
429 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
430 "test: FAILED! %u connected peers\n",
434 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test: success\n");
438 /* end of test_mesh_regex.c */