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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
5 | * |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <unistd.h> | |
23 | #include <string.h> | |
544a4582 | 24 | #include <glib.h> |
b7f09cf8 UH |
25 | #include "sigrok.h" |
26 | #include "sigrok-internal.h" | |
aa4b1107 | 27 | |
3d2efd7d UH |
28 | /* demo.c. TODO: Should not be global! */ |
29 | extern SR_PRIV GIOChannel channels[2]; | |
a1bb33af | 30 | |
544a4582 BV |
31 | struct source { |
32 | int fd; | |
33 | int events; | |
34 | int timeout; | |
a887e3da | 35 | sr_receive_data_callback cb; |
544a4582 BV |
36 | void *user_data; |
37 | }; | |
38 | ||
7d658874 | 39 | /* There can only be one session at a time. */ |
a0ecd83b | 40 | /* 'session' is not static, it's used elsewhere (via 'extern'). */ |
2872d21e | 41 | struct sr_session *session; |
a0ecd83b | 42 | static int num_sources = 0; |
544a4582 | 43 | |
a0ecd83b UH |
44 | static struct source *sources = NULL; |
45 | static int source_timeout = -1; | |
544a4582 | 46 | |
9f45fb3a UH |
47 | /** |
48 | * Create a new session. | |
49 | * | |
9f45fb3a UH |
50 | * TODO: Should it use the file-global "session" variable or take an argument? |
51 | * The same question applies to all the other session functions. | |
52 | * | |
53 | * @return A pointer to the newly allocated session, or NULL upon errors. | |
54 | */ | |
1a081ca6 | 55 | SR_API struct sr_session *sr_session_new(void) |
a1bb33af | 56 | { |
133a37bf | 57 | if (!(session = g_try_malloc0(sizeof(struct sr_session)))) { |
9f45fb3a UH |
58 | sr_err("session: %s: session malloc failed", __func__); |
59 | return NULL; /* TODO: SR_ERR_MALLOC? */ | |
60 | } | |
a1bb33af UH |
61 | |
62 | return session; | |
63 | } | |
64 | ||
9f45fb3a UH |
65 | /** |
66 | * Destroy the current session. | |
67 | * | |
68 | * This frees up all memory used by the session. | |
69 | * | |
e0508e67 | 70 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. |
9f45fb3a | 71 | */ |
1a081ca6 | 72 | SR_API int sr_session_destroy(void) |
a1bb33af | 73 | { |
9f45fb3a | 74 | if (!session) { |
133a37bf | 75 | sr_err("session: %s: session was NULL", __func__); |
e0508e67 | 76 | return SR_ERR_BUG; |
9f45fb3a UH |
77 | } |
78 | ||
a1bb33af | 79 | g_slist_free(session->devices); |
e0508e67 | 80 | session->devices = NULL; |
a1bb33af | 81 | |
9f45fb3a UH |
82 | /* TODO: Error checks needed? */ |
83 | ||
aa4b1107 | 84 | /* TODO: Loop over protocol decoders and free them. */ |
a1bb33af UH |
85 | |
86 | g_free(session); | |
9f45fb3a | 87 | session = NULL; |
e0508e67 UH |
88 | |
89 | return SR_OK; | |
a1bb33af UH |
90 | } |
91 | ||
9f45fb3a UH |
92 | /** |
93 | * Remove all the devices from the current session. TODO? | |
94 | * | |
95 | * The session itself (i.e., the struct sr_session) is not free'd and still | |
96 | * exists after this function returns. | |
97 | * | |
e0508e67 | 98 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. |
9f45fb3a | 99 | */ |
1a081ca6 | 100 | SR_API int sr_session_device_clear(void) |
a1bb33af | 101 | { |
9f45fb3a | 102 | if (!session) { |
133a37bf | 103 | sr_err("session: %s: session was NULL", __func__); |
e0508e67 | 104 | return SR_ERR_BUG; |
9f45fb3a UH |
105 | } |
106 | ||
a1bb33af UH |
107 | g_slist_free(session->devices); |
108 | session->devices = NULL; | |
e0508e67 UH |
109 | |
110 | return SR_OK; | |
a1bb33af UH |
111 | } |
112 | ||
9f45fb3a UH |
113 | /** |
114 | * Add a device to the current session. | |
115 | * | |
116 | * @param device The device to add to the current session. Must not be NULL. | |
117 | * Also, device->plugin and device->plugin->opendev must not | |
118 | * be NULL. | |
119 | * | |
120 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments. | |
121 | */ | |
1a081ca6 | 122 | SR_API int sr_session_device_add(struct sr_device *device) |
a1bb33af UH |
123 | { |
124 | int ret; | |
125 | ||
9f45fb3a UH |
126 | if (!device) { |
127 | sr_err("session: %s: device was NULL", __func__); | |
128 | return SR_ERR_ARG; | |
129 | } | |
130 | ||
131 | if (!device->plugin) { | |
132 | sr_err("session: %s: device->plugin was NULL", __func__); | |
133 | return SR_ERR_ARG; | |
134 | } | |
135 | ||
136 | if (!device->plugin->opendev) { | |
137 | sr_err("session: %s: device->plugin->opendev was NULL", | |
138 | __func__); | |
139 | return SR_ERR_ARG; | |
140 | } | |
141 | ||
142 | if (!session) { | |
143 | sr_err("session: %s: session was NULL", __func__); | |
144 | return SR_ERR; /* TODO: SR_ERR_BUG? */ | |
145 | } | |
146 | ||
147 | if ((ret = device->plugin->opendev(device->plugin_index)) != SR_OK) { | |
148 | sr_err("session: %s: opendev failed (%d)", __func__, ret); | |
149 | return ret; | |
aa4b1107 | 150 | } |
a1bb33af | 151 | |
aa4b1107 BV |
152 | session->devices = g_slist_append(session->devices, device); |
153 | ||
e46b8fb1 | 154 | return SR_OK; |
a1bb33af UH |
155 | } |
156 | ||
9f45fb3a UH |
157 | /** |
158 | * Clear all datafeed callbacks in the current session. | |
159 | * | |
e0508e67 | 160 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. |
9f45fb3a | 161 | */ |
1a081ca6 | 162 | SR_API int sr_session_datafeed_callback_clear(void) |
a1bb33af | 163 | { |
9f45fb3a UH |
164 | if (!session) { |
165 | sr_err("session: %s: session was NULL", __func__); | |
e0508e67 | 166 | return SR_ERR_BUG; |
9f45fb3a UH |
167 | } |
168 | ||
a1bb33af UH |
169 | g_slist_free(session->datafeed_callbacks); |
170 | session->datafeed_callbacks = NULL; | |
e0508e67 UH |
171 | |
172 | return SR_OK; | |
a1bb33af UH |
173 | } |
174 | ||
9f45fb3a UH |
175 | /** |
176 | * Add a datafeed callback to the current session. | |
177 | * | |
a1645fcd BV |
178 | * @param callback Function to call when a chunk of data is received. |
179 | * | |
e0508e67 | 180 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. |
9f45fb3a | 181 | */ |
1a081ca6 | 182 | SR_API int sr_session_datafeed_callback_add(sr_datafeed_callback callback) |
a1bb33af | 183 | { |
9f45fb3a UH |
184 | if (!session) { |
185 | sr_err("session: %s: session was NULL", __func__); | |
e0508e67 | 186 | return SR_ERR_BUG; |
9f45fb3a UH |
187 | } |
188 | ||
189 | /* TODO: Is 'callback' allowed to be NULL? */ | |
190 | ||
62c82025 UH |
191 | session->datafeed_callbacks = |
192 | g_slist_append(session->datafeed_callbacks, callback); | |
e0508e67 UH |
193 | |
194 | return SR_OK; | |
a1bb33af UH |
195 | } |
196 | ||
9f45fb3a UH |
197 | /** |
198 | * TODO. | |
199 | */ | |
e0508e67 | 200 | static int sr_session_run_poll(void) |
544a4582 BV |
201 | { |
202 | GPollFD *fds, my_gpollfd; | |
203 | int ret, i; | |
204 | ||
544a4582 BV |
205 | fds = NULL; |
206 | while (session->running) { | |
133a37bf UH |
207 | /* TODO: Add comment. */ |
208 | g_free(fds); | |
544a4582 BV |
209 | |
210 | /* Construct g_poll()'s array. */ | |
133a37bf | 211 | if (!(fds = g_try_malloc(sizeof(GPollFD) * num_sources))) { |
e0508e67 UH |
212 | sr_err("session: %s: fds malloc failed", __func__); |
213 | return SR_ERR_MALLOC; | |
214 | } | |
544a4582 BV |
215 | for (i = 0; i < num_sources; i++) { |
216 | #ifdef _WIN32 | |
217 | g_io_channel_win32_make_pollfd(&channels[0], | |
218 | sources[i].events, &my_gpollfd); | |
219 | #else | |
220 | my_gpollfd.fd = sources[i].fd; | |
221 | my_gpollfd.events = sources[i].events; | |
222 | fds[i] = my_gpollfd; | |
223 | #endif | |
224 | } | |
225 | ||
226 | ret = g_poll(fds, num_sources, source_timeout); | |
227 | ||
228 | for (i = 0; i < num_sources; i++) { | |
229 | if (fds[i].revents > 0 || (ret == 0 | |
230 | && source_timeout == sources[i].timeout)) { | |
231 | /* | |
232 | * Invoke the source's callback on an event, | |
233 | * or if the poll timeout out and this source | |
234 | * asked for that timeout. | |
235 | */ | |
5c582d9f GM |
236 | if (!sources[i].cb(fds[i].fd, fds[i].revents, |
237 | sources[i].user_data)) | |
238 | sr_session_source_remove(sources[i].fd); | |
544a4582 BV |
239 | } |
240 | } | |
241 | } | |
133a37bf | 242 | g_free(fds); |
e0508e67 UH |
243 | |
244 | return SR_OK; | |
544a4582 BV |
245 | } |
246 | ||
9f45fb3a UH |
247 | /** |
248 | * Start a session. | |
249 | * | |
a1645fcd | 250 | * There can only be one session at a time. |
9f45fb3a UH |
251 | * |
252 | * @return SR_OK upon success, SR_ERR upon errors. | |
253 | */ | |
1a081ca6 | 254 | SR_API int sr_session_start(void) |
7d658874 BV |
255 | { |
256 | struct sr_device *device; | |
257 | GSList *l; | |
258 | int ret; | |
259 | ||
9f45fb3a UH |
260 | if (!session) { |
261 | sr_err("session: %s: session was NULL; a session must be " | |
262 | "created first, before starting it.", __func__); | |
263 | return SR_ERR; /* TODO: SR_ERR_BUG? */ | |
264 | } | |
265 | ||
266 | if (!session->devices) { | |
267 | /* TODO: Actually the case? */ | |
268 | sr_err("session: %s: session->devices was NULL; a session " | |
269 | "cannot be started without devices.", __func__); | |
270 | return SR_ERR; /* TODO: SR_ERR_BUG? */ | |
271 | } | |
272 | ||
273 | /* TODO: Check plugin_index validity? */ | |
274 | ||
b08024a8 | 275 | sr_info("session: starting"); |
9f45fb3a | 276 | |
7d658874 BV |
277 | for (l = session->devices; l; l = l->next) { |
278 | device = l->data; | |
9f45fb3a | 279 | /* TODO: Check for device != NULL. */ |
7d658874 | 280 | if ((ret = device->plugin->start_acquisition( |
9f45fb3a | 281 | device->plugin_index, device)) != SR_OK) { |
446a0372 | 282 | sr_err("session: %s: could not start an acquisition " |
9f45fb3a | 283 | "(%d)", __func__, ret); |
7d658874 | 284 | break; |
9f45fb3a | 285 | } |
7d658874 BV |
286 | } |
287 | ||
9f45fb3a UH |
288 | /* TODO: What if there are multiple devices? Which return code? */ |
289 | ||
7d658874 BV |
290 | return ret; |
291 | } | |
292 | ||
9f45fb3a UH |
293 | /** |
294 | * Run the session. | |
295 | * | |
9f45fb3a UH |
296 | * TODO: Various error checks etc. |
297 | * | |
e0508e67 | 298 | * @return SR_OK upon success, SR_ERR_BUG upon errors. |
9f45fb3a | 299 | */ |
1a081ca6 | 300 | SR_API int sr_session_run(void) |
7d658874 | 301 | { |
9f45fb3a UH |
302 | if (!session) { |
303 | sr_err("session: %s: session was NULL; a session must be " | |
304 | "created first, before running it.", __func__); | |
e0508e67 | 305 | return SR_ERR_BUG; |
9f45fb3a UH |
306 | } |
307 | ||
308 | if (!session->devices) { | |
309 | /* TODO: Actually the case? */ | |
310 | sr_err("session: %s: session->devices was NULL; a session " | |
311 | "cannot be run without devices.", __func__); | |
e0508e67 | 312 | return SR_ERR_BUG; |
9f45fb3a UH |
313 | } |
314 | ||
b08024a8 | 315 | sr_info("session: running"); |
7d658874 BV |
316 | session->running = TRUE; |
317 | ||
9f45fb3a UH |
318 | /* Do we have real sources? */ |
319 | if (num_sources == 1 && sources[0].fd == -1) { | |
320 | /* Dummy source, freewheel over it. */ | |
7d658874 BV |
321 | while (session->running) |
322 | sources[0].cb(-1, 0, sources[0].user_data); | |
9f45fb3a UH |
323 | } else { |
324 | /* Real sources, use g_poll() main loop. */ | |
8a2efef2 | 325 | sr_session_run_poll(); |
9f45fb3a UH |
326 | } |
327 | ||
e0508e67 | 328 | return SR_OK; |
7d658874 BV |
329 | } |
330 | ||
9f45fb3a UH |
331 | /** |
332 | * Halt the current session. | |
333 | * | |
a1645fcd BV |
334 | * This requests the current session be stopped as soon as possible, for example |
335 | * on receiving an SR_DF_END packet. | |
e0508e67 UH |
336 | * |
337 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
9f45fb3a | 338 | */ |
1a081ca6 | 339 | SR_API int sr_session_halt(void) |
544a4582 | 340 | { |
9f45fb3a UH |
341 | if (!session) { |
342 | sr_err("session: %s: session was NULL", __func__); | |
e0508e67 | 343 | return SR_ERR_BUG; |
9f45fb3a UH |
344 | } |
345 | ||
b08024a8 | 346 | sr_info("session: halting"); |
544a4582 | 347 | session->running = FALSE; |
9f45fb3a | 348 | |
e0508e67 | 349 | return SR_OK; |
544a4582 BV |
350 | } |
351 | ||
9f45fb3a UH |
352 | /** |
353 | * Stop the current session. | |
354 | * | |
a1645fcd BV |
355 | * The current session is stopped immediately, with all acquisition sessions |
356 | * being stopped and hardware plugins cleaned up. | |
9f45fb3a | 357 | * |
e0508e67 | 358 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. |
9f45fb3a | 359 | */ |
1a081ca6 | 360 | SR_API int sr_session_stop(void) |
a1bb33af | 361 | { |
5c2d46d1 | 362 | struct sr_device *device; |
a1bb33af UH |
363 | GSList *l; |
364 | ||
9f45fb3a UH |
365 | if (!session) { |
366 | sr_err("session: %s: session was NULL", __func__); | |
e0508e67 | 367 | return SR_ERR_BUG; |
9f45fb3a UH |
368 | } |
369 | ||
b08024a8 | 370 | sr_info("session: stopping"); |
544a4582 | 371 | session->running = FALSE; |
e0508e67 | 372 | |
62c82025 | 373 | for (l = session->devices; l; l = l->next) { |
a1bb33af | 374 | device = l->data; |
e0508e67 | 375 | /* Check for device != NULL. */ |
8c76be53 BV |
376 | if (device->plugin) { |
377 | if (device->plugin->stop_acquisition) | |
378 | device->plugin->stop_acquisition(device->plugin_index, device); | |
379 | if (device->plugin->cleanup) | |
380 | device->plugin->cleanup(); | |
381 | } | |
a1bb33af | 382 | } |
9f45fb3a | 383 | |
e0508e67 | 384 | return SR_OK; |
a1bb33af UH |
385 | } |
386 | ||
9f45fb3a | 387 | /** |
a1645fcd | 388 | * Debug helper. |
9f45fb3a | 389 | * |
996b0c72 | 390 | * @param packet The packet to show debugging information for. |
18beaeff | 391 | * |
9f45fb3a | 392 | */ |
18beaeff | 393 | static void datafeed_dump(struct sr_datafeed_packet *packet) |
7d2afd6c BV |
394 | { |
395 | struct sr_datafeed_logic *logic; | |
396 | ||
397 | switch (packet->type) { | |
398 | case SR_DF_HEADER: | |
399 | sr_dbg("bus: received SR_DF_HEADER"); | |
400 | break; | |
401 | case SR_DF_TRIGGER: | |
01469707 | 402 | sr_dbg("bus: received SR_DF_TRIGGER"); |
7d2afd6c BV |
403 | break; |
404 | case SR_DF_LOGIC: | |
405 | logic = packet->payload; | |
e0508e67 | 406 | /* TODO: Check for logic != NULL. */ |
01469707 | 407 | sr_dbg("bus: received SR_DF_LOGIC %" PRIu64 " bytes", logic->length); |
7d2afd6c BV |
408 | break; |
409 | case SR_DF_END: | |
410 | sr_dbg("bus: received SR_DF_END"); | |
411 | break; | |
412 | default: | |
18beaeff | 413 | sr_dbg("bus: received unknown packet type %d", packet->type); |
9f45fb3a | 414 | break; |
7d2afd6c | 415 | } |
e0508e67 | 416 | |
7d2afd6c BV |
417 | } |
418 | ||
9f45fb3a | 419 | /** |
a1645fcd BV |
420 | * Send a packet to whatever is listening on the datafeed bus. |
421 | * | |
422 | * Hardware drivers use this to send a data packet to the frontend. | |
9f45fb3a | 423 | * |
9f45fb3a UH |
424 | * @param device TODO. |
425 | * @param packet TODO. | |
e0508e67 | 426 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments. |
9f45fb3a | 427 | */ |
a1645fcd | 428 | SR_PRIV int sr_session_bus(struct sr_device *device, |
1a081ca6 | 429 | struct sr_datafeed_packet *packet) |
a1bb33af UH |
430 | { |
431 | GSList *l; | |
13b05733 | 432 | sr_datafeed_callback cb; |
a1bb33af | 433 | |
9f45fb3a UH |
434 | if (!device) { |
435 | sr_err("session: %s: device was NULL", __func__); | |
e0508e67 | 436 | return SR_ERR_ARG; |
9f45fb3a UH |
437 | } |
438 | ||
439 | if (!device->plugin) { | |
440 | sr_err("session: %s: device->plugin was NULL", __func__); | |
e0508e67 UH |
441 | return SR_ERR_ARG; |
442 | } | |
443 | ||
444 | if (!packet) { | |
445 | sr_err("session: %s: packet was NULL", __func__); | |
446 | return SR_ERR_ARG; | |
9f45fb3a UH |
447 | } |
448 | ||
62c82025 | 449 | for (l = session->datafeed_callbacks; l; l = l->next) { |
18beaeff BV |
450 | if (sr_log_loglevel_get() >= SR_LOG_DBG) |
451 | datafeed_dump(packet); | |
a1bb33af | 452 | cb = l->data; |
9f45fb3a | 453 | /* TODO: Check for cb != NULL. */ |
a1bb33af UH |
454 | cb(device, packet); |
455 | } | |
9f45fb3a | 456 | |
e0508e67 | 457 | return SR_OK; |
a1bb33af UH |
458 | } |
459 | ||
9f45fb3a UH |
460 | /** |
461 | * TODO. | |
462 | * | |
9f45fb3a UH |
463 | * TODO: More error checks etc. |
464 | * | |
465 | * @param fd TODO. | |
466 | * @param events TODO. | |
467 | * @param timeout TODO. | |
468 | * @param callback TODO. | |
469 | * @param user_data TODO. | |
e0508e67 UH |
470 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or |
471 | * SR_ERR_MALLOC upon memory allocation errors. | |
9f45fb3a | 472 | */ |
1a081ca6 UH |
473 | SR_API int sr_session_source_add(int fd, int events, int timeout, |
474 | sr_receive_data_callback callback, void *user_data) | |
544a4582 BV |
475 | { |
476 | struct source *new_sources, *s; | |
477 | ||
9f45fb3a UH |
478 | if (!callback) { |
479 | sr_err("session: %s: callback was NULL", __func__); | |
e0508e67 | 480 | return SR_ERR_ARG; |
9f45fb3a UH |
481 | } |
482 | ||
483 | /* Note: user_data can be NULL, that's not a bug. */ | |
484 | ||
133a37bf | 485 | new_sources = g_try_malloc0(sizeof(struct source) * (num_sources + 1)); |
9f45fb3a UH |
486 | if (!new_sources) { |
487 | sr_err("session: %s: new_sources malloc failed", __func__); | |
e0508e67 | 488 | return SR_ERR_MALLOC; |
9f45fb3a | 489 | } |
544a4582 BV |
490 | |
491 | if (sources) { | |
492 | memcpy(new_sources, sources, | |
493 | sizeof(struct source) * num_sources); | |
133a37bf | 494 | g_free(sources); |
544a4582 BV |
495 | } |
496 | ||
497 | s = &new_sources[num_sources++]; | |
498 | s->fd = fd; | |
499 | s->events = events; | |
500 | s->timeout = timeout; | |
501 | s->cb = callback; | |
502 | s->user_data = user_data; | |
503 | sources = new_sources; | |
504 | ||
505 | if (timeout != source_timeout && timeout > 0 | |
506 | && (source_timeout == -1 || timeout < source_timeout)) | |
507 | source_timeout = timeout; | |
9f45fb3a | 508 | |
e0508e67 | 509 | return SR_OK; |
544a4582 BV |
510 | } |
511 | ||
9f45fb3a UH |
512 | /** |
513 | * Remove the source belonging to the specified file descriptor. | |
514 | * | |
9f45fb3a | 515 | * TODO: More error checks. |
9f45fb3a UH |
516 | * |
517 | * @param fd TODO. | |
e0508e67 UH |
518 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or |
519 | * SR_ERR_MALLOC upon memory allocation errors, SR_ERR_BUG upon | |
520 | * internal errors. | |
9f45fb3a | 521 | */ |
1a081ca6 | 522 | SR_API int sr_session_source_remove(int fd) |
544a4582 BV |
523 | { |
524 | struct source *new_sources; | |
525 | int old, new; | |
526 | ||
e0508e67 UH |
527 | if (!sources) { |
528 | sr_err("session: %s: sources was NULL", __func__); | |
529 | return SR_ERR_BUG; /* TODO: Other? */ | |
530 | } | |
531 | ||
532 | /* TODO: Check if 'fd' valid. */ | |
544a4582 | 533 | |
133a37bf | 534 | new_sources = g_try_malloc0(sizeof(struct source) * num_sources); |
9f45fb3a UH |
535 | if (!new_sources) { |
536 | sr_err("session: %s: new_sources malloc failed", __func__); | |
e0508e67 | 537 | return SR_ERR_MALLOC; |
9f45fb3a UH |
538 | } |
539 | ||
540 | for (old = 0, new = 0; old < num_sources; old++) { | |
544a4582 BV |
541 | if (sources[old].fd != fd) |
542 | memcpy(&new_sources[new++], &sources[old], | |
543 | sizeof(struct source)); | |
9f45fb3a | 544 | } |
544a4582 BV |
545 | |
546 | if (old != new) { | |
133a37bf | 547 | g_free(sources); |
544a4582 BV |
548 | sources = new_sources; |
549 | num_sources--; | |
550 | } else { | |
551 | /* Target fd was not found. */ | |
133a37bf | 552 | g_free(new_sources); |
544a4582 | 553 | } |
e0508e67 UH |
554 | |
555 | return SR_OK; | |
544a4582 | 556 | } |