Commit | Line | Data |
---|---|---|
c0418dd9 | 1 | /* |
f60c8b34 | 2 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
262e5473 | 3 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
c0418dd9 JG |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | * of this software and associated documentation files (the "Software"), to deal | |
7 | * in the Software without restriction, including without limitation the rights | |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | * copies of the Software, and to permit persons to whom the Software is | |
10 | * furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
262e5473 PP |
24 | #define BT_LOG_TAG "GRAPH" |
25 | #include <babeltrace/lib-logging-internal.h> | |
26 | ||
b2e0c907 | 27 | #include <babeltrace/graph/component-internal.h> |
a2d06fd5 | 28 | #include <babeltrace/graph/private-graph.h> |
b2e0c907 PP |
29 | #include <babeltrace/graph/graph-internal.h> |
30 | #include <babeltrace/graph/connection-internal.h> | |
31 | #include <babeltrace/graph/component-sink-internal.h> | |
32 | #include <babeltrace/graph/component-source.h> | |
33 | #include <babeltrace/graph/component-filter.h> | |
34 | #include <babeltrace/graph/port.h> | |
5c563278 PP |
35 | #include <babeltrace/graph/notification-internal.h> |
36 | #include <babeltrace/graph/notification-event-internal.h> | |
37 | #include <babeltrace/graph/notification-packet-internal.h> | |
3d9990ac | 38 | #include <babeltrace/compiler-internal.h> |
da91b29a | 39 | #include <babeltrace/common-internal.h> |
c55a9f58 | 40 | #include <babeltrace/types.h> |
36712f1d | 41 | #include <babeltrace/values.h> |
05e21286 | 42 | #include <babeltrace/values-const.h> |
36712f1d | 43 | #include <babeltrace/values-internal.h> |
d94d92ac | 44 | #include <babeltrace/object.h> |
f6ccaed9 PP |
45 | #include <babeltrace/assert-internal.h> |
46 | #include <babeltrace/assert-pre-internal.h> | |
f60c8b34 | 47 | #include <unistd.h> |
1bf957a0 PP |
48 | #include <glib.h> |
49 | ||
d94d92ac PP |
50 | typedef void (*port_added_func_t)(void *, void *, void *); |
51 | typedef void (*port_removed_func_t)(void *, void *, void *); | |
52 | typedef void (*ports_connected_func_t)(void *, void *, void *, void *, void *); | |
53 | typedef void (*ports_disconnected_func_t)(void *, void *, void *, void *, void *); | |
05e21286 | 54 | typedef enum bt_self_component_status (*comp_init_method_t)(void *, const void *, void *); |
d94d92ac | 55 | |
1bf957a0 | 56 | struct bt_graph_listener { |
a2d06fd5 | 57 | bt_private_graph_listener_removed removed; |
1bf957a0 PP |
58 | void *data; |
59 | }; | |
c0418dd9 | 60 | |
d94d92ac PP |
61 | struct bt_graph_listener_port_added { |
62 | struct bt_graph_listener base; | |
63 | port_added_func_t func; | |
64 | }; | |
8cc092c9 | 65 | |
d94d92ac PP |
66 | struct bt_graph_listener_port_removed { |
67 | struct bt_graph_listener base; | |
68 | port_removed_func_t func; | |
69 | }; | |
8cc092c9 | 70 | |
d94d92ac PP |
71 | struct bt_graph_listener_ports_connected { |
72 | struct bt_graph_listener base; | |
73 | ports_connected_func_t func; | |
74 | }; | |
8cc092c9 | 75 | |
d94d92ac PP |
76 | struct bt_graph_listener_ports_disconnected { |
77 | struct bt_graph_listener base; | |
78 | ports_disconnected_func_t func; | |
79 | }; | |
8cc092c9 | 80 | |
d94d92ac PP |
81 | #define INIT_LISTENERS_ARRAY(_type, _listeners) \ |
82 | do { \ | |
83 | _listeners = g_array_new(FALSE, TRUE, sizeof(_type)); \ | |
84 | if (!(_listeners)) { \ | |
85 | BT_LOGE_STR("Failed to allocate one GArray."); \ | |
86 | } \ | |
87 | } while (0) | |
88 | ||
89 | #define CALL_REMOVE_LISTENERS(_type, _listeners) \ | |
90 | do { \ | |
91 | size_t i; \ | |
92 | \ | |
93 | for (i = 0; i < (_listeners)->len; i++) { \ | |
94 | _type *listener = \ | |
95 | &g_array_index((_listeners), _type, i); \ | |
96 | \ | |
97 | if (listener->base.removed) { \ | |
98 | listener->base.removed(listener->base.data); \ | |
99 | } \ | |
100 | } \ | |
101 | } while (0) | |
8cc092c9 | 102 | |
f60c8b34 | 103 | static |
d94d92ac | 104 | void destroy_graph(struct bt_object *obj) |
c0418dd9 | 105 | { |
f60c8b34 JG |
106 | struct bt_graph *graph = container_of(obj, |
107 | struct bt_graph, base); | |
c0418dd9 | 108 | |
bd14d768 PP |
109 | /* |
110 | * The graph's reference count is 0 if we're here. Increment | |
111 | * it to avoid a double-destroy (possibly infinitely recursive) | |
112 | * in this situation: | |
113 | * | |
114 | * 1. We put and destroy a connection. | |
115 | * 2. This connection's destructor finalizes its active | |
116 | * notification iterators. | |
117 | * 3. A notification iterator's finalization function gets a | |
118 | * new reference on its component (reference count goes from | |
119 | * 0 to 1). | |
120 | * 4. Since this component's reference count goes to 1, it takes | |
121 | * a reference on its parent (this graph). This graph's | |
122 | * reference count goes from 0 to 1. | |
123 | * 5. The notification iterator's finalization function puts its | |
124 | * component reference (reference count goes from 1 to 0). | |
125 | * 6. Since this component's reference count goes from 1 to 0, | |
126 | * it puts its parent (this graph). This graph's reference | |
127 | * count goes from 1 to 0. | |
128 | * 7. Since this graph's reference count goes from 1 to 0, | |
129 | * its destructor is called (this function). | |
130 | * | |
131 | * With the incrementation below, the graph's reference count at | |
132 | * step 4 goes from 1 to 2, and from 2 to 1 at step 6. This | |
133 | * ensures that this function is not called two times. | |
134 | */ | |
d94d92ac | 135 | BT_LIB_LOGD("Destroying graph: %!+g", graph); |
3fea54f6 | 136 | obj->ref_count++; |
bd14d768 | 137 | |
49682acd PP |
138 | /* |
139 | * Cancel the graph to disallow some operations, like creating | |
140 | * notification iterators and adding ports to components. | |
141 | */ | |
a2d06fd5 | 142 | (void) bt_private_graph_cancel((void *) graph); |
49682acd | 143 | |
8cc092c9 | 144 | /* Call all remove listeners */ |
d94d92ac PP |
145 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, |
146 | graph->listeners.source_output_port_added); | |
147 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
148 | graph->listeners.filter_output_port_added); | |
149 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
150 | graph->listeners.filter_input_port_added); | |
151 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
152 | graph->listeners.sink_input_port_added); | |
153 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
154 | graph->listeners.source_output_port_removed); | |
155 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
156 | graph->listeners.filter_output_port_removed); | |
157 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
158 | graph->listeners.filter_input_port_removed); | |
159 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
160 | graph->listeners.sink_input_port_removed); | |
161 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, | |
162 | graph->listeners.source_filter_ports_connected); | |
163 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, | |
164 | graph->listeners.source_sink_ports_connected); | |
165 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, | |
166 | graph->listeners.filter_sink_ports_connected); | |
167 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, | |
168 | graph->listeners.source_filter_ports_disconnected); | |
169 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, | |
170 | graph->listeners.source_sink_ports_disconnected); | |
171 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, | |
172 | graph->listeners.filter_sink_ports_disconnected); | |
8cc092c9 | 173 | |
5c563278 PP |
174 | if (graph->notifications) { |
175 | g_ptr_array_free(graph->notifications, TRUE); | |
d94d92ac | 176 | graph->notifications = NULL; |
5c563278 PP |
177 | } |
178 | ||
c0418dd9 | 179 | if (graph->connections) { |
262e5473 | 180 | BT_LOGD_STR("Destroying connections."); |
c0418dd9 | 181 | g_ptr_array_free(graph->connections, TRUE); |
d94d92ac | 182 | graph->connections = NULL; |
c0418dd9 | 183 | } |
5c563278 | 184 | |
bd14d768 | 185 | if (graph->components) { |
262e5473 | 186 | BT_LOGD_STR("Destroying components."); |
bd14d768 | 187 | g_ptr_array_free(graph->components, TRUE); |
d94d92ac | 188 | graph->components = NULL; |
bd14d768 | 189 | } |
5c563278 | 190 | |
f60c8b34 JG |
191 | if (graph->sinks_to_consume) { |
192 | g_queue_free(graph->sinks_to_consume); | |
d94d92ac PP |
193 | graph->sinks_to_consume = NULL; |
194 | } | |
195 | ||
196 | if (graph->listeners.source_output_port_added) { | |
197 | g_array_free(graph->listeners.source_output_port_added, TRUE); | |
198 | graph->listeners.source_output_port_added = NULL; | |
199 | } | |
200 | ||
201 | if (graph->listeners.filter_output_port_added) { | |
202 | g_array_free(graph->listeners.filter_output_port_added, TRUE); | |
203 | graph->listeners.filter_output_port_added = NULL; | |
204 | } | |
205 | ||
206 | if (graph->listeners.filter_input_port_added) { | |
207 | g_array_free(graph->listeners.filter_input_port_added, TRUE); | |
208 | graph->listeners.filter_input_port_added = NULL; | |
c0418dd9 | 209 | } |
1bf957a0 | 210 | |
d94d92ac PP |
211 | if (graph->listeners.sink_input_port_added) { |
212 | g_array_free(graph->listeners.sink_input_port_added, TRUE); | |
213 | graph->listeners.sink_input_port_added = NULL; | |
1bf957a0 PP |
214 | } |
215 | ||
d94d92ac PP |
216 | if (graph->listeners.source_output_port_removed) { |
217 | g_array_free(graph->listeners.source_output_port_removed, TRUE); | |
218 | graph->listeners.source_output_port_removed = NULL; | |
1bf957a0 PP |
219 | } |
220 | ||
d94d92ac PP |
221 | if (graph->listeners.filter_output_port_removed) { |
222 | g_array_free(graph->listeners.filter_output_port_removed, TRUE); | |
223 | graph->listeners.filter_output_port_removed = NULL; | |
1bf957a0 PP |
224 | } |
225 | ||
d94d92ac PP |
226 | if (graph->listeners.filter_input_port_removed) { |
227 | g_array_free(graph->listeners.filter_input_port_removed, TRUE); | |
228 | graph->listeners.filter_input_port_removed = NULL; | |
229 | } | |
230 | ||
231 | if (graph->listeners.sink_input_port_removed) { | |
232 | g_array_free(graph->listeners.sink_input_port_removed, TRUE); | |
233 | graph->listeners.sink_input_port_removed = NULL; | |
234 | } | |
235 | ||
236 | if (graph->listeners.source_filter_ports_connected) { | |
237 | g_array_free(graph->listeners.source_filter_ports_connected, | |
238 | TRUE); | |
239 | graph->listeners.source_filter_ports_connected = NULL; | |
240 | } | |
241 | ||
242 | if (graph->listeners.source_sink_ports_connected) { | |
243 | g_array_free(graph->listeners.source_sink_ports_connected, | |
244 | TRUE); | |
245 | graph->listeners.source_sink_ports_connected = NULL; | |
246 | } | |
247 | ||
248 | if (graph->listeners.filter_sink_ports_connected) { | |
249 | g_array_free(graph->listeners.filter_sink_ports_connected, | |
250 | TRUE); | |
251 | graph->listeners.filter_sink_ports_connected = NULL; | |
252 | } | |
253 | ||
254 | if (graph->listeners.source_filter_ports_disconnected) { | |
255 | g_array_free(graph->listeners.source_filter_ports_disconnected, | |
256 | TRUE); | |
257 | graph->listeners.source_filter_ports_disconnected = NULL; | |
258 | } | |
259 | ||
260 | if (graph->listeners.source_sink_ports_disconnected) { | |
261 | g_array_free(graph->listeners.source_sink_ports_disconnected, | |
262 | TRUE); | |
263 | graph->listeners.source_sink_ports_disconnected = NULL; | |
264 | } | |
265 | ||
266 | if (graph->listeners.filter_sink_ports_disconnected) { | |
267 | g_array_free(graph->listeners.filter_sink_ports_disconnected, | |
268 | TRUE); | |
269 | graph->listeners.filter_sink_ports_disconnected = NULL; | |
1bf957a0 PP |
270 | } |
271 | ||
5c563278 PP |
272 | bt_object_pool_finalize(&graph->event_notif_pool); |
273 | bt_object_pool_finalize(&graph->packet_begin_notif_pool); | |
274 | bt_object_pool_finalize(&graph->packet_end_notif_pool); | |
c0418dd9 JG |
275 | g_free(graph); |
276 | } | |
277 | ||
5c563278 PP |
278 | static |
279 | void destroy_notification_event(struct bt_notification *notif, | |
280 | struct bt_graph *graph) | |
281 | { | |
282 | bt_notification_event_destroy(notif); | |
283 | } | |
284 | ||
285 | static | |
286 | void destroy_notification_packet_begin(struct bt_notification *notif, | |
287 | struct bt_graph *graph) | |
288 | { | |
289 | bt_notification_packet_begin_destroy(notif); | |
290 | } | |
291 | ||
292 | static | |
293 | void destroy_notification_packet_end(struct bt_notification *notif, | |
294 | struct bt_graph *graph) | |
295 | { | |
296 | bt_notification_packet_end_destroy(notif); | |
297 | } | |
298 | ||
299 | static | |
300 | void notify_notification_graph_is_destroyed(struct bt_notification *notif) | |
301 | { | |
302 | bt_notification_unlink_graph(notif); | |
303 | } | |
304 | ||
a2d06fd5 | 305 | struct bt_private_graph *bt_private_graph_create(void) |
c0418dd9 | 306 | { |
f60c8b34 | 307 | struct bt_graph *graph; |
1bf957a0 | 308 | int ret; |
c0418dd9 | 309 | |
262e5473 | 310 | BT_LOGD_STR("Creating graph object."); |
f60c8b34 | 311 | graph = g_new0(struct bt_graph, 1); |
c0418dd9 | 312 | if (!graph) { |
262e5473 | 313 | BT_LOGE_STR("Failed to allocate one graph."); |
c0418dd9 JG |
314 | goto end; |
315 | } | |
316 | ||
d94d92ac | 317 | bt_object_init_shared(&graph->base, destroy_graph); |
3fea54f6 PP |
318 | graph->connections = g_ptr_array_new_with_free_func( |
319 | (GDestroyNotify) bt_object_try_spec_release); | |
c0418dd9 | 320 | if (!graph->connections) { |
262e5473 | 321 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
c0418dd9 JG |
322 | goto error; |
323 | } | |
3fea54f6 PP |
324 | graph->components = g_ptr_array_new_with_free_func( |
325 | (GDestroyNotify) bt_object_try_spec_release); | |
f60c8b34 | 326 | if (!graph->components) { |
262e5473 | 327 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
f60c8b34 JG |
328 | goto error; |
329 | } | |
330 | graph->sinks_to_consume = g_queue_new(); | |
331 | if (!graph->sinks_to_consume) { | |
262e5473 | 332 | BT_LOGE_STR("Failed to allocate one GQueue."); |
c0418dd9 JG |
333 | goto error; |
334 | } | |
1bf957a0 | 335 | |
d94d92ac PP |
336 | bt_graph_set_can_consume(graph, true); |
337 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, | |
338 | graph->listeners.source_output_port_added); | |
339 | ||
340 | if (!graph->listeners.source_output_port_added) { | |
341 | ret = -1; | |
1bf957a0 PP |
342 | goto error; |
343 | } | |
344 | ||
d94d92ac PP |
345 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
346 | graph->listeners.filter_output_port_added); | |
347 | ||
348 | if (!graph->listeners.filter_output_port_added) { | |
349 | ret = -1; | |
1bf957a0 PP |
350 | goto error; |
351 | } | |
352 | ||
d94d92ac PP |
353 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
354 | graph->listeners.filter_input_port_added); | |
355 | ||
356 | if (!graph->listeners.filter_input_port_added) { | |
357 | ret = -1; | |
1bf957a0 PP |
358 | goto error; |
359 | } | |
360 | ||
d94d92ac PP |
361 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
362 | graph->listeners.sink_input_port_added); | |
363 | ||
364 | if (!graph->listeners.sink_input_port_added) { | |
365 | ret = -1; | |
366 | goto error; | |
367 | } | |
368 | ||
369 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
370 | graph->listeners.source_output_port_removed); | |
371 | ||
372 | if (!graph->listeners.source_output_port_removed) { | |
373 | ret = -1; | |
374 | goto error; | |
375 | } | |
376 | ||
377 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
378 | graph->listeners.filter_output_port_removed); | |
379 | ||
380 | if (!graph->listeners.filter_output_port_removed) { | |
381 | ret = -1; | |
382 | goto error; | |
383 | } | |
384 | ||
385 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
386 | graph->listeners.filter_input_port_removed); | |
387 | ||
388 | if (!graph->listeners.filter_input_port_removed) { | |
389 | ret = -1; | |
390 | goto error; | |
391 | } | |
392 | ||
393 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
394 | graph->listeners.sink_input_port_removed); | |
395 | ||
396 | if (!graph->listeners.sink_input_port_removed) { | |
397 | ret = -1; | |
398 | goto error; | |
399 | } | |
400 | ||
401 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, | |
402 | graph->listeners.source_filter_ports_connected); | |
403 | ||
404 | if (!graph->listeners.source_filter_ports_connected) { | |
405 | ret = -1; | |
406 | goto error; | |
407 | } | |
408 | ||
409 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, | |
410 | graph->listeners.source_sink_ports_connected); | |
411 | ||
412 | if (!graph->listeners.source_sink_ports_connected) { | |
413 | ret = -1; | |
414 | goto error; | |
415 | } | |
416 | ||
417 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, | |
418 | graph->listeners.filter_sink_ports_connected); | |
419 | ||
420 | if (!graph->listeners.filter_sink_ports_connected) { | |
421 | ret = -1; | |
422 | goto error; | |
423 | } | |
424 | ||
425 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, | |
426 | graph->listeners.source_filter_ports_disconnected); | |
427 | ||
428 | if (!graph->listeners.source_filter_ports_disconnected) { | |
429 | ret = -1; | |
430 | goto error; | |
431 | } | |
432 | ||
433 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, | |
434 | graph->listeners.source_sink_ports_disconnected); | |
435 | ||
436 | if (!graph->listeners.source_sink_ports_disconnected) { | |
437 | ret = -1; | |
438 | goto error; | |
439 | } | |
440 | ||
441 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, | |
442 | graph->listeners.filter_sink_ports_disconnected); | |
443 | ||
444 | if (!graph->listeners.filter_sink_ports_disconnected) { | |
445 | ret = -1; | |
1bf957a0 PP |
446 | goto error; |
447 | } | |
448 | ||
5c563278 PP |
449 | ret = bt_object_pool_initialize(&graph->event_notif_pool, |
450 | (bt_object_pool_new_object_func) bt_notification_event_new, | |
451 | (bt_object_pool_destroy_object_func) destroy_notification_event, | |
452 | graph); | |
453 | if (ret) { | |
454 | BT_LOGE("Failed to initialize event notification pool: ret=%d", | |
455 | ret); | |
456 | goto error; | |
457 | } | |
458 | ||
459 | ret = bt_object_pool_initialize(&graph->packet_begin_notif_pool, | |
460 | (bt_object_pool_new_object_func) bt_notification_packet_begin_new, | |
461 | (bt_object_pool_destroy_object_func) destroy_notification_packet_begin, | |
462 | graph); | |
463 | if (ret) { | |
464 | BT_LOGE("Failed to initialize packet beginning notification pool: ret=%d", | |
465 | ret); | |
466 | goto error; | |
467 | } | |
468 | ||
469 | ret = bt_object_pool_initialize(&graph->packet_end_notif_pool, | |
470 | (bt_object_pool_new_object_func) bt_notification_packet_end_new, | |
471 | (bt_object_pool_destroy_object_func) destroy_notification_packet_end, | |
472 | graph); | |
473 | if (ret) { | |
474 | BT_LOGE("Failed to initialize packet end notification pool: ret=%d", | |
475 | ret); | |
476 | goto error; | |
477 | } | |
478 | ||
479 | graph->notifications = g_ptr_array_new_with_free_func( | |
480 | (GDestroyNotify) notify_notification_graph_is_destroyed); | |
d94d92ac | 481 | BT_LIB_LOGD("Created graph object: %!+g", graph); |
262e5473 | 482 | |
c0418dd9 | 483 | end: |
a2d06fd5 | 484 | return (void *) graph; |
d94d92ac | 485 | |
c0418dd9 | 486 | error: |
65300d60 | 487 | BT_OBJECT_PUT_REF_AND_RESET(graph); |
c0418dd9 JG |
488 | goto end; |
489 | } | |
490 | ||
a2d06fd5 PP |
491 | enum bt_graph_status bt_private_graph_connect_ports( |
492 | struct bt_private_graph *priv_graph, | |
d94d92ac PP |
493 | struct bt_port_output *upstream_port_out, |
494 | struct bt_port_input *downstream_port_in, | |
a256a42d | 495 | struct bt_connection **user_connection) |
f60c8b34 | 496 | { |
a2d06fd5 | 497 | struct bt_graph *graph = (void *) priv_graph; |
a256a42d | 498 | enum bt_graph_status status = BT_GRAPH_STATUS_OK; |
f60c8b34 | 499 | struct bt_connection *connection = NULL; |
d94d92ac PP |
500 | struct bt_port *upstream_port = (void *) upstream_port_out; |
501 | struct bt_port *downstream_port = (void *) downstream_port_in; | |
f60c8b34 JG |
502 | struct bt_component *upstream_component = NULL; |
503 | struct bt_component *downstream_component = NULL; | |
d94d92ac PP |
504 | enum bt_self_component_status component_status; |
505 | bool init_can_consume; | |
f60c8b34 | 506 | |
d94d92ac PP |
507 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
508 | BT_ASSERT_PRE_NON_NULL(upstream_port, "Upstream port"); | |
509 | BT_ASSERT_PRE_NON_NULL(downstream_port, "Downstream port port"); | |
510 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
511 | BT_ASSERT_PRE(!bt_port_is_connected(upstream_port), | |
512 | "Upstream port is already connected: %!+p", upstream_port); | |
513 | BT_ASSERT_PRE(!bt_port_is_connected(downstream_port), | |
514 | "Downstream port is already connected: %!+p", downstream_port); | |
515 | BT_ASSERT_PRE(bt_port_borrow_component((void *) upstream_port), | |
516 | "Upstream port does not belong to a component: %!+p", | |
517 | upstream_port); | |
518 | BT_ASSERT_PRE(bt_port_borrow_component((void *) downstream_port), | |
519 | "Downstream port does not belong to a component: %!+p", | |
520 | downstream_port); | |
4aa7981f | 521 | init_can_consume = graph->can_consume; |
d94d92ac PP |
522 | BT_LIB_LOGD("Connecting component ports within graph: " |
523 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", | |
524 | graph, upstream_port, downstream_port); | |
525 | bt_graph_set_can_consume(graph, false); | |
526 | upstream_component = bt_port_borrow_component( | |
527 | (void *) upstream_port); | |
528 | downstream_component = bt_port_borrow_component( | |
529 | (void *) downstream_port); | |
262e5473 | 530 | |
0d8b4d8e PP |
531 | /* |
532 | * At this point the ports are not connected yet. Both | |
533 | * components need to accept an eventual connection to their | |
534 | * port by the other port before we continue. | |
535 | */ | |
d94d92ac PP |
536 | BT_LIB_LOGD("Asking upstream component to accept the connection: " |
537 | "%![comp-]+c", upstream_component); | |
0d8b4d8e | 538 | component_status = bt_component_accept_port_connection( |
d94d92ac PP |
539 | upstream_component, (void *) upstream_port, |
540 | (void *) downstream_port); | |
541 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
542 | if (component_status == BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION) { | |
262e5473 PP |
543 | BT_LOGD_STR("Upstream component refused the connection."); |
544 | } else { | |
545 | BT_LOGW("Cannot ask upstream component to accept the connection: " | |
d94d92ac | 546 | "status=%s", bt_self_component_status_string(component_status)); |
262e5473 PP |
547 | } |
548 | ||
d94d92ac | 549 | status = (int) component_status; |
a256a42d | 550 | goto end; |
0d8b4d8e | 551 | } |
262e5473 | 552 | |
d94d92ac PP |
553 | BT_LIB_LOGD("Asking downstream component to accept the connection: " |
554 | "%![comp-]+c", downstream_component); | |
0d8b4d8e | 555 | component_status = bt_component_accept_port_connection( |
d94d92ac PP |
556 | downstream_component, (void *) downstream_port, |
557 | (void *) upstream_port); | |
558 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
559 | if (component_status == BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION) { | |
262e5473 PP |
560 | BT_LOGD_STR("Downstream component refused the connection."); |
561 | } else { | |
562 | BT_LOGW("Cannot ask downstream component to accept the connection: " | |
d94d92ac | 563 | "status=%s", bt_self_component_status_string(component_status)); |
262e5473 PP |
564 | } |
565 | ||
d94d92ac | 566 | status = (int) component_status; |
a256a42d | 567 | goto end; |
0d8b4d8e PP |
568 | } |
569 | ||
262e5473 | 570 | BT_LOGD_STR("Creating connection."); |
d94d92ac PP |
571 | connection = bt_connection_create(graph, (void *) upstream_port, |
572 | (void *) downstream_port); | |
f60c8b34 | 573 | if (!connection) { |
262e5473 | 574 | BT_LOGW("Cannot create connection object."); |
a256a42d PP |
575 | status = BT_GRAPH_STATUS_NOMEM; |
576 | goto end; | |
f60c8b34 JG |
577 | } |
578 | ||
d94d92ac | 579 | BT_LIB_LOGD("Connection object created: %!+x", connection); |
262e5473 | 580 | |
f60c8b34 | 581 | /* |
72b913fb PP |
582 | * Ownership of upstream_component/downstream_component and of |
583 | * the connection object is transferred to the graph. | |
f60c8b34 JG |
584 | */ |
585 | g_ptr_array_add(graph->connections, connection); | |
ffeb0eed | 586 | |
f60c8b34 | 587 | /* |
0d8b4d8e | 588 | * Notify both components that their port is connected. |
f60c8b34 | 589 | */ |
d94d92ac PP |
590 | BT_LIB_LOGD("Notifying upstream component that its port is connected: " |
591 | "%![comp-]+c, %![port-]+p", upstream_component, upstream_port); | |
bf55043c | 592 | component_status = bt_component_port_connected(upstream_component, |
d94d92ac PP |
593 | (void *) upstream_port, (void *) downstream_port); |
594 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
595 | BT_LIB_LOGW("Error while notifying upstream component that its port is connected: " | |
596 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
597 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
598 | bt_self_component_status_string(component_status), | |
599 | graph, upstream_component, downstream_component, | |
600 | upstream_port, downstream_port); | |
bf55043c | 601 | bt_connection_end(connection, true); |
d94d92ac | 602 | status = (int) component_status; |
bf55043c PP |
603 | goto end; |
604 | } | |
605 | ||
606 | connection->notified_upstream_port_connected = true; | |
d94d92ac PP |
607 | BT_LIB_LOGD("Notifying downstream component that its port is connected: " |
608 | "%![comp-]+c, %![port-]+p", downstream_component, | |
609 | downstream_port); | |
bf55043c | 610 | component_status = bt_component_port_connected(downstream_component, |
d94d92ac PP |
611 | (void *) downstream_port, (void *) upstream_port); |
612 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
613 | BT_LIB_LOGW("Error while notifying downstream component that its port is connected: " | |
614 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
615 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
616 | bt_self_component_status_string(component_status), | |
617 | graph, upstream_component, downstream_component, | |
618 | upstream_port, downstream_port); | |
bf55043c | 619 | bt_connection_end(connection, true); |
d94d92ac | 620 | status = (int) component_status; |
bf55043c PP |
621 | goto end; |
622 | } | |
623 | ||
624 | connection->notified_downstream_port_connected = true; | |
1bf957a0 PP |
625 | |
626 | /* | |
0d8b4d8e | 627 | * Notify the graph's creator that both ports are connected. |
1bf957a0 | 628 | */ |
262e5473 | 629 | BT_LOGD_STR("Notifying graph's user that new component ports are connected."); |
f345f8bb | 630 | bt_graph_notify_ports_connected(graph, upstream_port, downstream_port); |
bf55043c | 631 | connection->notified_graph_ports_connected = true; |
d94d92ac PP |
632 | BT_LIB_LOGD("Connected component ports within graph: " |
633 | "%![graph-]+g, %![up-comp-]+c, %![down-comp-]+c, " | |
634 | "%![up-port-]+p, %![down-port-]+p", | |
635 | graph, upstream_component, downstream_component, | |
636 | upstream_port, downstream_port); | |
1bf957a0 | 637 | |
a256a42d | 638 | if (user_connection) { |
1a6a376a PP |
639 | /* Move reference to user */ |
640 | *user_connection = connection; | |
641 | connection = NULL; | |
a256a42d PP |
642 | } |
643 | ||
f60c8b34 | 644 | end: |
65300d60 | 645 | bt_object_put_ref(connection); |
d94d92ac PP |
646 | (void) init_can_consume; |
647 | bt_graph_set_can_consume(graph, init_can_consume); | |
a256a42d | 648 | return status; |
f60c8b34 JG |
649 | } |
650 | ||
ad847455 | 651 | static inline |
d94d92ac | 652 | enum bt_graph_status consume_graph_sink(struct bt_component_sink *comp) |
c0418dd9 | 653 | { |
d94d92ac PP |
654 | enum bt_self_component_status comp_status; |
655 | struct bt_component_class_sink *sink_class = NULL; | |
656 | ||
657 | BT_ASSERT(comp); | |
658 | sink_class = (void *) comp->parent.class; | |
659 | BT_ASSERT(sink_class->methods.consume); | |
660 | BT_LIB_LOGD("Calling user's consume method: %!+c", comp); | |
661 | comp_status = sink_class->methods.consume((void *) comp); | |
662 | BT_LOGD("User method returned: status=%s", | |
663 | bt_self_component_status_string(comp_status)); | |
664 | BT_ASSERT_PRE(comp_status == BT_SELF_COMPONENT_STATUS_OK || | |
665 | comp_status == BT_SELF_COMPONENT_STATUS_END || | |
666 | comp_status == BT_SELF_COMPONENT_STATUS_AGAIN || | |
667 | comp_status == BT_SELF_COMPONENT_STATUS_ERROR || | |
668 | comp_status == BT_SELF_COMPONENT_STATUS_NOMEM, | |
669 | "Invalid component status returned by consuming method: " | |
670 | "status=%s", bt_self_component_status_string(comp_status)); | |
671 | if (comp_status < 0) { | |
672 | BT_LOGW_STR("Consume method failed."); | |
673 | goto end; | |
674 | } | |
675 | ||
676 | BT_LIB_LOGV("Consumed from sink: %![comp-]+c, status=%s", | |
677 | comp, bt_self_component_status_string(comp_status)); | |
678 | ||
679 | end: | |
680 | return (int) comp_status; | |
8ed535b5 PP |
681 | } |
682 | ||
683 | /* | |
684 | * `node` is removed from the queue of sinks to consume when passed to | |
685 | * this function. This function adds it back to the queue if there's | |
686 | * still something to consume afterwards. | |
687 | */ | |
ad847455 | 688 | static inline |
d94d92ac | 689 | enum bt_graph_status consume_sink_node(struct bt_graph *graph, GList *node) |
8ed535b5 PP |
690 | { |
691 | enum bt_graph_status status; | |
d94d92ac | 692 | struct bt_component_sink *sink; |
8ed535b5 PP |
693 | |
694 | sink = node->data; | |
695 | status = consume_graph_sink(sink); | |
ad847455 | 696 | if (unlikely(status != BT_GRAPH_STATUS_END)) { |
8ed535b5 | 697 | g_queue_push_tail_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
698 | goto end; |
699 | } | |
700 | ||
701 | /* End reached, the node is not added back to the queue and free'd. */ | |
8ed535b5 | 702 | g_queue_delete_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
703 | |
704 | /* Don't forward an END status if there are sinks left to consume. */ | |
705 | if (!g_queue_is_empty(graph->sinks_to_consume)) { | |
706 | status = BT_GRAPH_STATUS_OK; | |
707 | goto end; | |
708 | } | |
8ed535b5 PP |
709 | |
710 | end: | |
d94d92ac PP |
711 | BT_LIB_LOGV("Consumed sink node: %![comp-]+c, status=%s", |
712 | sink, bt_graph_status_string(status)); | |
8ed535b5 PP |
713 | return status; |
714 | } | |
715 | ||
716 | BT_HIDDEN | |
717 | enum bt_graph_status bt_graph_consume_sink_no_check(struct bt_graph *graph, | |
d94d92ac | 718 | struct bt_component_sink *sink) |
8ed535b5 PP |
719 | { |
720 | enum bt_graph_status status; | |
721 | GList *sink_node; | |
722 | int index; | |
723 | ||
d94d92ac PP |
724 | BT_LIB_LOGV("Making specific sink consume: %![comp-]+c", sink); |
725 | BT_ASSERT(bt_component_borrow_graph((void *) sink) == graph); | |
8ed535b5 PP |
726 | |
727 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
728 | BT_LOGV_STR("Graph's sink queue is empty: end of graph."); | |
729 | status = BT_GRAPH_STATUS_END; | |
730 | goto end; | |
731 | } | |
732 | ||
733 | index = g_queue_index(graph->sinks_to_consume, sink); | |
734 | if (index < 0) { | |
735 | BT_LOGV_STR("Sink is not marked as consumable: sink is ended."); | |
736 | status = BT_GRAPH_STATUS_END; | |
737 | goto end; | |
738 | } | |
739 | ||
740 | sink_node = g_queue_pop_nth_link(graph->sinks_to_consume, index); | |
f6ccaed9 | 741 | BT_ASSERT(sink_node); |
8ed535b5 PP |
742 | status = consume_sink_node(graph, sink_node); |
743 | ||
744 | end: | |
745 | return status; | |
746 | } | |
747 | ||
ad847455 | 748 | static inline |
d94d92ac | 749 | enum bt_graph_status consume_no_check(struct bt_graph *graph) |
8ed535b5 PP |
750 | { |
751 | enum bt_graph_status status = BT_GRAPH_STATUS_OK; | |
752 | struct bt_component *sink; | |
753 | GList *current_node; | |
754 | ||
f6ccaed9 PP |
755 | BT_ASSERT_PRE(graph->has_sink, |
756 | "Graph has no sink component: %!+g", graph); | |
d94d92ac | 757 | BT_LIB_LOGV("Making next sink consume: %![graph-]+g", graph); |
8ed535b5 | 758 | |
ad847455 | 759 | if (unlikely(g_queue_is_empty(graph->sinks_to_consume))) { |
8ed535b5 PP |
760 | BT_LOGV_STR("Graph's sink queue is empty: end of graph."); |
761 | status = BT_GRAPH_STATUS_END; | |
762 | goto end; | |
763 | } | |
764 | ||
765 | current_node = g_queue_pop_head_link(graph->sinks_to_consume); | |
766 | sink = current_node->data; | |
d94d92ac | 767 | BT_LIB_LOGV("Chose next sink to consume: %!+c", sink); |
8ed535b5 PP |
768 | status = consume_sink_node(graph, current_node); |
769 | ||
f60c8b34 JG |
770 | end: |
771 | return status; | |
c0418dd9 JG |
772 | } |
773 | ||
a2d06fd5 PP |
774 | enum bt_graph_status bt_private_graph_consume( |
775 | struct bt_private_graph *priv_graph) | |
851b70bd | 776 | { |
a2d06fd5 | 777 | struct bt_graph *graph = (void *) priv_graph; |
f6ccaed9 | 778 | enum bt_graph_status status; |
1d915789 | 779 | |
f6ccaed9 PP |
780 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
781 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
782 | BT_ASSERT_PRE(graph->can_consume, | |
783 | "Cannot consume graph in its current state: %!+g", graph); | |
ad847455 | 784 | bt_graph_set_can_consume(graph, BT_FALSE); |
d94d92ac | 785 | status = consume_no_check(graph); |
ad847455 | 786 | bt_graph_set_can_consume(graph, BT_TRUE); |
26a15756 | 787 | return status; |
851b70bd PP |
788 | } |
789 | ||
d94d92ac | 790 | enum bt_graph_status bt_private_graph_run(struct bt_private_graph *priv_graph) |
f60c8b34 | 791 | { |
a2d06fd5 | 792 | struct bt_graph *graph = (void *) priv_graph; |
72b913fb | 793 | enum bt_graph_status status = BT_GRAPH_STATUS_OK; |
f60c8b34 | 794 | |
d94d92ac PP |
795 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
796 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
ad847455 PP |
797 | BT_ASSERT_PRE(graph->can_consume, |
798 | "Cannot consume graph in its current state: %!+g", graph); | |
799 | bt_graph_set_can_consume(graph, BT_FALSE); | |
d94d92ac | 800 | BT_LIB_LOGV("Running graph: %!+g", graph); |
262e5473 | 801 | |
f60c8b34 | 802 | do { |
851b70bd PP |
803 | /* |
804 | * Check if the graph is canceled at each iteration. If | |
805 | * the graph was canceled by another thread or by a | |
d94d92ac PP |
806 | * signal handler, this is not a warning nor an error, |
807 | * it was intentional: log with a DEBUG level only. | |
851b70bd | 808 | */ |
ad847455 | 809 | if (unlikely(graph->canceled)) { |
d94d92ac PP |
810 | BT_LIB_LOGD("Stopping the graph: graph is canceled: " |
811 | "%!+g", graph); | |
851b70bd PP |
812 | status = BT_GRAPH_STATUS_CANCELED; |
813 | goto end; | |
814 | } | |
815 | ||
d94d92ac | 816 | status = consume_no_check(graph); |
ad847455 | 817 | if (unlikely(status == BT_GRAPH_STATUS_AGAIN)) { |
f60c8b34 | 818 | /* |
202a3a13 PP |
819 | * If AGAIN is received and there are multiple |
820 | * sinks, go ahead and consume from the next | |
821 | * sink. | |
f60c8b34 | 822 | * |
202a3a13 PP |
823 | * However, in the case where a single sink is |
824 | * left, the caller can decide to busy-wait and | |
d94d92ac PP |
825 | * call bt_private_graph_run() continuously |
826 | * until the source is ready or it can decide to | |
827 | * sleep for an arbitrary amount of time. | |
f60c8b34 JG |
828 | */ |
829 | if (graph->sinks_to_consume->length > 1) { | |
72b913fb | 830 | status = BT_GRAPH_STATUS_OK; |
f60c8b34 | 831 | } |
2de524b3 PP |
832 | } else if (status == BT_GRAPH_STATUS_NO_SINK) { |
833 | goto end; | |
f60c8b34 | 834 | } |
72b913fb | 835 | } while (status == BT_GRAPH_STATUS_OK); |
f60c8b34 JG |
836 | |
837 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
72b913fb | 838 | status = BT_GRAPH_STATUS_END; |
f60c8b34 | 839 | } |
262e5473 | 840 | |
202a3a13 | 841 | end: |
d94d92ac PP |
842 | BT_LIB_LOGV("Graph ran: %![graph-]+g, status=%s", graph, |
843 | bt_graph_status_string(status)); | |
844 | bt_graph_set_can_consume(graph, BT_TRUE); | |
72b913fb | 845 | return status; |
f60c8b34 | 846 | } |
1bf957a0 | 847 | |
d94d92ac PP |
848 | enum bt_graph_status |
849 | bt_private_graph_add_source_component_output_port_added_listener( | |
850 | struct bt_private_graph *priv_graph, | |
851 | bt_private_graph_source_component_output_port_added_listener func, | |
852 | bt_private_graph_listener_removed listener_removed, void *data, | |
853 | int *out_listener_id) | |
1bf957a0 | 854 | { |
d94d92ac PP |
855 | struct bt_graph *graph = (void *) priv_graph; |
856 | struct bt_graph_listener_port_added listener = { | |
857 | .base = { | |
858 | .removed = listener_removed, | |
859 | .data = data, | |
860 | }, | |
861 | .func = (port_added_func_t) func, | |
1bf957a0 | 862 | }; |
d94d92ac | 863 | int listener_id; |
1bf957a0 | 864 | |
d94d92ac PP |
865 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
866 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
867 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
868 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
869 | "Graph currently executing a \"listener removed\" listener: " | |
870 | "%!+g", graph); | |
871 | g_array_append_val(graph->listeners.source_output_port_added, listener); | |
872 | listener_id = graph->listeners.source_output_port_added->len - 1; | |
873 | BT_LIB_LOGV("Added \"source component output port added\" listener to graph: " | |
874 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
875 | listener_id); | |
876 | ||
877 | if (listener_id) { | |
878 | *out_listener_id = listener_id; | |
879 | } | |
880 | ||
881 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
882 | } |
883 | ||
d94d92ac PP |
884 | enum bt_graph_status |
885 | bt_private_graph_add_filter_component_output_port_added_listener( | |
a2d06fd5 | 886 | struct bt_private_graph *priv_graph, |
d94d92ac PP |
887 | bt_private_graph_filter_component_output_port_added_listener func, |
888 | bt_private_graph_listener_removed listener_removed, void *data, | |
889 | int *out_listener_id) | |
1bf957a0 | 890 | { |
a2d06fd5 | 891 | struct bt_graph *graph = (void *) priv_graph; |
d94d92ac PP |
892 | struct bt_graph_listener_port_added listener = { |
893 | .base = { | |
894 | .removed = listener_removed, | |
895 | .data = data, | |
896 | }, | |
897 | .func = (port_added_func_t) func, | |
898 | }; | |
899 | int listener_id; | |
1bf957a0 | 900 | |
d94d92ac PP |
901 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
902 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
903 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
904 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
905 | "Graph currently executing a \"listener removed\" listener: " | |
906 | "%!+g", graph); | |
907 | g_array_append_val(graph->listeners.filter_output_port_added, listener); | |
908 | listener_id = graph->listeners.filter_output_port_added->len - 1; | |
909 | BT_LIB_LOGV("Added \"filter component output port added\" listener to graph: " | |
910 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
911 | listener_id); | |
912 | ||
913 | if (listener_id) { | |
914 | *out_listener_id = listener_id; | |
915 | } | |
916 | ||
917 | return BT_GRAPH_STATUS_OK; | |
918 | } | |
262e5473 | 919 | |
d94d92ac PP |
920 | enum bt_graph_status |
921 | bt_private_graph_add_filter_component_input_port_added_listener( | |
922 | struct bt_private_graph *priv_graph, | |
923 | bt_private_graph_filter_component_input_port_added_listener func, | |
924 | bt_private_graph_listener_removed listener_removed, void *data, | |
925 | int *out_listener_id) | |
926 | { | |
927 | struct bt_graph *graph = (void *) priv_graph; | |
928 | struct bt_graph_listener_port_added listener = { | |
929 | .base = { | |
930 | .removed = listener_removed, | |
931 | .data = data, | |
932 | }, | |
933 | .func = (port_added_func_t) func, | |
934 | }; | |
935 | int listener_id; | |
8cc092c9 | 936 | |
d94d92ac PP |
937 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
938 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
939 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
940 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
941 | "Graph currently executing a \"listener removed\" listener: " | |
942 | "%!+g", graph); | |
943 | g_array_append_val(graph->listeners.filter_input_port_added, listener); | |
944 | listener_id = graph->listeners.filter_input_port_added->len - 1; | |
945 | BT_LIB_LOGV("Added \"filter component input port added\" listener to graph: " | |
946 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
947 | listener_id); | |
948 | ||
949 | if (listener_id) { | |
950 | *out_listener_id = listener_id; | |
951 | } | |
952 | ||
953 | return BT_GRAPH_STATUS_OK; | |
954 | } | |
1bf957a0 | 955 | |
d94d92ac PP |
956 | enum bt_graph_status |
957 | bt_private_graph_add_sink_component_input_port_added_listener( | |
958 | struct bt_private_graph *priv_graph, | |
959 | bt_private_graph_sink_component_input_port_added_listener func, | |
960 | bt_private_graph_listener_removed listener_removed, void *data, | |
961 | int *out_listener_id) | |
962 | { | |
963 | struct bt_graph *graph = (void *) priv_graph; | |
964 | struct bt_graph_listener_port_added listener = { | |
965 | .base = { | |
966 | .removed = listener_removed, | |
967 | .data = data, | |
968 | }, | |
969 | .func = (port_added_func_t) func, | |
970 | }; | |
971 | int listener_id; | |
1bf957a0 | 972 | |
d94d92ac PP |
973 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
974 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
975 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
976 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
977 | "Graph currently executing a \"listener removed\" listener: " | |
978 | "%!+g", graph); | |
979 | g_array_append_val(graph->listeners.sink_input_port_added, listener); | |
980 | listener_id = graph->listeners.sink_input_port_added->len - 1; | |
981 | BT_LIB_LOGV("Added \"sink component input port added\" listener to graph: " | |
982 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
983 | listener_id); | |
984 | ||
985 | if (listener_id) { | |
986 | *out_listener_id = listener_id; | |
987 | } | |
988 | ||
989 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
990 | } |
991 | ||
d94d92ac PP |
992 | enum bt_graph_status |
993 | bt_private_graph_add_source_component_output_port_removed_listener( | |
a2d06fd5 | 994 | struct bt_private_graph *priv_graph, |
d94d92ac PP |
995 | bt_private_graph_source_component_output_port_removed_listener func, |
996 | bt_private_graph_listener_removed listener_removed, void *data, | |
997 | int *out_listener_id) | |
1bf957a0 | 998 | { |
a2d06fd5 | 999 | struct bt_graph *graph = (void *) priv_graph; |
d94d92ac PP |
1000 | struct bt_graph_listener_port_removed listener = { |
1001 | .base = { | |
1002 | .removed = listener_removed, | |
1003 | .data = data, | |
1004 | }, | |
1005 | .func = (port_removed_func_t) func, | |
1006 | }; | |
1007 | int listener_id; | |
1bf957a0 | 1008 | |
d94d92ac PP |
1009 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1010 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1011 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1012 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1013 | "Graph currently executing a \"listener removed\" listener: " | |
1014 | "%!+g", graph); | |
1015 | g_array_append_val(graph->listeners.source_output_port_removed, listener); | |
1016 | listener_id = graph->listeners.source_output_port_removed->len - 1; | |
1017 | BT_LIB_LOGV("Added \"source component output port removed\" listener to graph: " | |
1018 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1019 | listener_id); | |
1020 | ||
1021 | if (listener_id) { | |
1022 | *out_listener_id = listener_id; | |
1023 | } | |
1024 | ||
1025 | return BT_GRAPH_STATUS_OK; | |
1026 | } | |
262e5473 | 1027 | |
d94d92ac PP |
1028 | enum bt_graph_status |
1029 | bt_private_graph_add_filter_component_output_port_removed_listener( | |
1030 | struct bt_private_graph *priv_graph, | |
1031 | bt_private_graph_filter_component_output_port_removed_listener func, | |
1032 | bt_private_graph_listener_removed listener_removed, void *data, | |
1033 | int *out_listener_id) | |
1034 | { | |
1035 | struct bt_graph *graph = (void *) priv_graph; | |
1036 | struct bt_graph_listener_port_removed listener = { | |
1037 | .base = { | |
1038 | .removed = listener_removed, | |
1039 | .data = data, | |
1040 | }, | |
1041 | .func = (port_removed_func_t) func, | |
1042 | }; | |
1043 | int listener_id; | |
8cc092c9 | 1044 | |
d94d92ac PP |
1045 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1046 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1047 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1048 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1049 | "Graph currently executing a \"listener removed\" listener: " | |
1050 | "%!+g", graph); | |
1051 | g_array_append_val(graph->listeners.filter_output_port_removed, listener); | |
1052 | listener_id = graph->listeners.filter_output_port_removed->len - 1; | |
1053 | BT_LIB_LOGV("Added \"filter component output port removed\" listener to graph: " | |
1054 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1055 | listener_id); | |
1056 | ||
1057 | if (listener_id) { | |
1058 | *out_listener_id = listener_id; | |
1059 | } | |
1060 | ||
1061 | return BT_GRAPH_STATUS_OK; | |
1062 | } | |
1bf957a0 | 1063 | |
d94d92ac PP |
1064 | enum bt_graph_status |
1065 | bt_private_graph_add_filter_component_input_port_removed_listener( | |
1066 | struct bt_private_graph *priv_graph, | |
1067 | bt_private_graph_filter_component_input_port_removed_listener func, | |
1068 | bt_private_graph_listener_removed listener_removed, void *data, | |
1069 | int *out_listener_id) | |
1070 | { | |
1071 | struct bt_graph *graph = (void *) priv_graph; | |
1072 | struct bt_graph_listener_port_removed listener = { | |
1073 | .base = { | |
1074 | .removed = listener_removed, | |
1075 | .data = data, | |
1076 | }, | |
1077 | .func = (port_removed_func_t) func, | |
1078 | }; | |
1079 | int listener_id; | |
1bf957a0 | 1080 | |
d94d92ac PP |
1081 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1082 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1083 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1084 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1085 | "Graph currently executing a \"listener removed\" listener: " | |
1086 | "%!+g", graph); | |
1087 | g_array_append_val(graph->listeners.filter_input_port_removed, listener); | |
1088 | listener_id = graph->listeners.filter_input_port_removed->len - 1; | |
1089 | BT_LIB_LOGV("Added \"filter component input port removed\" listener to graph: " | |
1090 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1091 | listener_id); | |
1092 | ||
1093 | if (listener_id) { | |
1094 | *out_listener_id = listener_id; | |
1095 | } | |
1096 | ||
1097 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1098 | } |
1099 | ||
d94d92ac PP |
1100 | enum bt_graph_status |
1101 | bt_private_graph_add_sink_component_input_port_removed_listener( | |
a2d06fd5 | 1102 | struct bt_private_graph *priv_graph, |
d94d92ac PP |
1103 | bt_private_graph_sink_component_input_port_removed_listener func, |
1104 | bt_private_graph_listener_removed listener_removed, void *data, | |
1105 | int *out_listener_id) | |
1bf957a0 | 1106 | { |
a2d06fd5 | 1107 | struct bt_graph *graph = (void *) priv_graph; |
d94d92ac PP |
1108 | struct bt_graph_listener_port_removed listener = { |
1109 | .base = { | |
1110 | .removed = listener_removed, | |
1111 | .data = data, | |
1112 | }, | |
1113 | .func = (port_removed_func_t) func, | |
1114 | }; | |
1115 | int listener_id; | |
1bf957a0 | 1116 | |
d94d92ac PP |
1117 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1118 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1119 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1120 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1121 | "Graph currently executing a \"listener removed\" listener: " | |
1122 | "%!+g", graph); | |
1123 | g_array_append_val(graph->listeners.sink_input_port_removed, listener); | |
1124 | listener_id = graph->listeners.sink_input_port_removed->len - 1; | |
1125 | BT_LIB_LOGV("Added \"sink component input port removed\" listener to graph: " | |
1126 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1127 | listener_id); | |
1128 | ||
1129 | if (listener_id) { | |
1130 | *out_listener_id = listener_id; | |
1131 | } | |
1132 | ||
1133 | return BT_GRAPH_STATUS_OK; | |
1134 | } | |
262e5473 | 1135 | |
d94d92ac PP |
1136 | enum bt_graph_status |
1137 | bt_private_graph_add_source_filter_component_ports_connected_listener( | |
1138 | struct bt_private_graph *priv_graph, | |
1139 | bt_private_graph_source_filter_component_ports_connected_listener func, | |
1140 | bt_private_graph_listener_removed listener_removed, void *data, | |
1141 | int *out_listener_id) | |
1142 | { | |
1143 | struct bt_graph *graph = (void *) priv_graph; | |
1144 | struct bt_graph_listener_ports_connected listener = { | |
1145 | .base = { | |
1146 | .removed = listener_removed, | |
1147 | .data = data, | |
1148 | }, | |
1149 | .func = (ports_connected_func_t) func, | |
1150 | }; | |
1151 | int listener_id; | |
8cc092c9 | 1152 | |
d94d92ac PP |
1153 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1154 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1155 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1156 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1157 | "Graph currently executing a \"listener removed\" listener: " | |
1158 | "%!+g", graph); | |
1159 | g_array_append_val(graph->listeners.source_filter_ports_connected, | |
1160 | listener); | |
1161 | listener_id = graph->listeners.source_filter_ports_connected->len - 1; | |
1162 | BT_LIB_LOGV("Added \"source to filter component ports connected\" listener to graph: " | |
1163 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1164 | listener_id); | |
1165 | ||
1166 | if (listener_id) { | |
1167 | *out_listener_id = listener_id; | |
1168 | } | |
1169 | ||
1170 | return BT_GRAPH_STATUS_OK; | |
1171 | } | |
1bf957a0 | 1172 | |
d94d92ac PP |
1173 | enum bt_graph_status |
1174 | bt_private_graph_add_source_sink_component_ports_connected_listener( | |
1175 | struct bt_private_graph *priv_graph, | |
1176 | bt_private_graph_source_sink_component_ports_connected_listener func, | |
1177 | bt_private_graph_listener_removed listener_removed, void *data, | |
1178 | int *out_listener_id) | |
1179 | { | |
1180 | struct bt_graph *graph = (void *) priv_graph; | |
1181 | struct bt_graph_listener_ports_connected listener = { | |
1182 | .base = { | |
1183 | .removed = listener_removed, | |
1184 | .data = data, | |
1185 | }, | |
1186 | .func = (ports_connected_func_t) func, | |
1187 | }; | |
1188 | int listener_id; | |
1bf957a0 | 1189 | |
d94d92ac PP |
1190 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1191 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1192 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1193 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1194 | "Graph currently executing a \"listener removed\" listener: " | |
1195 | "%!+g", graph); | |
1196 | g_array_append_val(graph->listeners.source_sink_ports_connected, | |
1197 | listener); | |
1198 | listener_id = graph->listeners.source_sink_ports_connected->len - 1; | |
1199 | BT_LIB_LOGV("Added \"source to sink component ports connected\" listener to graph: " | |
1200 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1201 | listener_id); | |
1202 | ||
1203 | if (listener_id) { | |
1204 | *out_listener_id = listener_id; | |
1205 | } | |
1206 | ||
1207 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1208 | } |
1209 | ||
d94d92ac PP |
1210 | enum bt_graph_status |
1211 | bt_private_graph_add_filter_sink_component_ports_connected_listener( | |
a2d06fd5 | 1212 | struct bt_private_graph *priv_graph, |
d94d92ac PP |
1213 | bt_private_graph_filter_sink_component_ports_connected_listener func, |
1214 | bt_private_graph_listener_removed listener_removed, void *data, | |
1215 | int *out_listener_id) | |
1bf957a0 | 1216 | { |
a2d06fd5 | 1217 | struct bt_graph *graph = (void *) priv_graph; |
d94d92ac PP |
1218 | struct bt_graph_listener_ports_connected listener = { |
1219 | .base = { | |
1220 | .removed = listener_removed, | |
1221 | .data = data, | |
1222 | }, | |
1223 | .func = (ports_connected_func_t) func, | |
1224 | }; | |
1225 | int listener_id; | |
1bf957a0 | 1226 | |
d94d92ac PP |
1227 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1228 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1229 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1230 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1231 | "Graph currently executing a \"listener removed\" listener: " | |
1232 | "%!+g", graph); | |
1233 | g_array_append_val(graph->listeners.filter_sink_ports_connected, | |
1234 | listener); | |
1235 | listener_id = graph->listeners.filter_sink_ports_connected->len - 1; | |
1236 | BT_LIB_LOGV("Added \"filter to sink component ports connected\" listener to graph: " | |
1237 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1238 | listener_id); | |
1239 | ||
1240 | if (listener_id) { | |
1241 | *out_listener_id = listener_id; | |
1242 | } | |
1243 | ||
1244 | return BT_GRAPH_STATUS_OK; | |
1245 | } | |
262e5473 | 1246 | |
d94d92ac PP |
1247 | enum bt_graph_status |
1248 | bt_private_graph_add_source_filter_component_ports_disconnected_listener( | |
1249 | struct bt_private_graph *priv_graph, | |
1250 | bt_private_graph_source_filter_component_ports_disconnected_listener func, | |
1251 | bt_private_graph_listener_removed listener_removed, void *data, | |
1252 | int *out_listener_id) | |
1253 | { | |
1254 | struct bt_graph *graph = (void *) priv_graph; | |
1255 | struct bt_graph_listener_ports_disconnected listener = { | |
1256 | .base = { | |
1257 | .removed = listener_removed, | |
1258 | .data = data, | |
1259 | }, | |
1260 | .func = (ports_disconnected_func_t) func, | |
1261 | }; | |
1262 | int listener_id; | |
8cc092c9 | 1263 | |
d94d92ac PP |
1264 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1265 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1266 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1267 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1268 | "Graph currently executing a \"listener removed\" listener: " | |
1269 | "%!+g", graph); | |
1270 | g_array_append_val(graph->listeners.source_filter_ports_disconnected, | |
1271 | listener); | |
1272 | listener_id = graph->listeners.source_filter_ports_disconnected->len - 1; | |
1273 | BT_LIB_LOGV("Added \"source to filter component ports disconnected\" listener to graph: " | |
1274 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1275 | listener_id); | |
1276 | ||
1277 | if (listener_id) { | |
1278 | *out_listener_id = listener_id; | |
1279 | } | |
1280 | ||
1281 | return BT_GRAPH_STATUS_OK; | |
1282 | } | |
1bf957a0 | 1283 | |
d94d92ac PP |
1284 | enum bt_graph_status |
1285 | bt_private_graph_add_source_sink_component_ports_disconnected_listener( | |
1286 | struct bt_private_graph *priv_graph, | |
1287 | bt_private_graph_source_sink_component_ports_disconnected_listener func, | |
1288 | bt_private_graph_listener_removed listener_removed, void *data, | |
1289 | int *out_listener_id) | |
1290 | { | |
1291 | struct bt_graph *graph = (void *) priv_graph; | |
1292 | struct bt_graph_listener_ports_disconnected listener = { | |
1293 | .base = { | |
1294 | .removed = listener_removed, | |
1295 | .data = data, | |
1296 | }, | |
1297 | .func = (ports_disconnected_func_t) func, | |
1298 | }; | |
1299 | int listener_id; | |
1bf957a0 | 1300 | |
d94d92ac PP |
1301 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1302 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1303 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1304 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1305 | "Graph currently executing a \"listener removed\" listener: " | |
1306 | "%!+g", graph); | |
1307 | g_array_append_val(graph->listeners.source_sink_ports_disconnected, | |
1308 | listener); | |
1309 | listener_id = graph->listeners.source_sink_ports_disconnected->len - 1; | |
1310 | BT_LIB_LOGV("Added \"source to sink component ports disconnected\" listener to graph: " | |
1311 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1312 | listener_id); | |
1313 | ||
1314 | if (listener_id) { | |
1315 | *out_listener_id = listener_id; | |
1316 | } | |
1317 | ||
1318 | return BT_GRAPH_STATUS_OK; | |
1319 | } | |
1320 | ||
1321 | enum bt_graph_status | |
1322 | bt_private_graph_add_filter_sink_component_ports_disconnected_listener( | |
1323 | struct bt_private_graph *priv_graph, | |
1324 | bt_private_graph_filter_sink_component_ports_disconnected_listener func, | |
1325 | bt_private_graph_listener_removed listener_removed, void *data, | |
1326 | int *out_listener_id) | |
1327 | { | |
1328 | struct bt_graph *graph = (void *) priv_graph; | |
1329 | struct bt_graph_listener_ports_disconnected listener = { | |
1330 | .base = { | |
1331 | .removed = listener_removed, | |
1332 | .data = data, | |
1333 | }, | |
1334 | .func = (ports_disconnected_func_t) func, | |
1335 | }; | |
1336 | int listener_id; | |
1337 | ||
1338 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1339 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1340 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1341 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1342 | "Graph currently executing a \"listener removed\" listener: " | |
1343 | "%!+g", graph); | |
1344 | g_array_append_val(graph->listeners.filter_sink_ports_disconnected, | |
1345 | listener); | |
1346 | listener_id = graph->listeners.filter_sink_ports_disconnected->len - 1; | |
1347 | BT_LIB_LOGV("Added \"filter to sink component ports disconnected\" listener to graph: " | |
1348 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1349 | listener_id); | |
1350 | ||
1351 | if (listener_id) { | |
1352 | *out_listener_id = listener_id; | |
1353 | } | |
1354 | ||
1355 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1356 | } |
1357 | ||
1358 | BT_HIDDEN | |
1359 | void bt_graph_notify_port_added(struct bt_graph *graph, struct bt_port *port) | |
1360 | { | |
d94d92ac PP |
1361 | uint64_t i; |
1362 | GArray *listeners; | |
1363 | struct bt_component *comp; | |
1bf957a0 | 1364 | |
d94d92ac PP |
1365 | BT_ASSERT(graph); |
1366 | BT_ASSERT(port); | |
1367 | BT_LIB_LOGV("Notifying graph listeners that a port was added: " | |
1368 | "%![graph-]+g, %![port-]+p", graph, port); | |
1369 | comp = bt_port_borrow_component(port); | |
1370 | BT_ASSERT(comp); | |
1371 | ||
1372 | switch (comp->class->type) { | |
1373 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1374 | { | |
1375 | switch (port->type) { | |
1376 | case BT_PORT_TYPE_OUTPUT: | |
1377 | listeners = graph->listeners.source_output_port_added; | |
1378 | break; | |
1379 | default: | |
1380 | abort(); | |
1381 | } | |
1382 | ||
1383 | break; | |
1384 | } | |
1385 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1386 | { | |
1387 | switch (port->type) { | |
1388 | case BT_PORT_TYPE_INPUT: | |
1389 | listeners = graph->listeners.filter_input_port_added; | |
1390 | break; | |
1391 | case BT_PORT_TYPE_OUTPUT: | |
1392 | listeners = graph->listeners.filter_output_port_added; | |
1393 | break; | |
1394 | default: | |
1395 | abort(); | |
1396 | } | |
262e5473 | 1397 | |
d94d92ac PP |
1398 | break; |
1399 | } | |
1400 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1401 | { | |
1402 | switch (port->type) { | |
1403 | case BT_PORT_TYPE_INPUT: | |
1404 | listeners = graph->listeners.sink_input_port_added; | |
1405 | break; | |
1406 | default: | |
1407 | abort(); | |
1408 | } | |
1bf957a0 | 1409 | |
d94d92ac PP |
1410 | break; |
1411 | } | |
1412 | default: | |
1413 | abort(); | |
1414 | } | |
1415 | ||
1416 | for (i = 0; i < listeners->len; i++) { | |
1417 | struct bt_graph_listener_port_added *listener = | |
1418 | &g_array_index(listeners, | |
1419 | struct bt_graph_listener_port_added, i); | |
1420 | ||
1421 | BT_ASSERT(listener->func); | |
1422 | listener->func(comp, port, listener->base.data); | |
1bf957a0 PP |
1423 | } |
1424 | } | |
1425 | ||
1426 | BT_HIDDEN | |
1427 | void bt_graph_notify_port_removed(struct bt_graph *graph, | |
1428 | struct bt_component *comp, struct bt_port *port) | |
1429 | { | |
d94d92ac PP |
1430 | uint64_t i; |
1431 | GArray *listeners; | |
1432 | ||
1433 | BT_ASSERT(graph); | |
1434 | BT_ASSERT(port); | |
1435 | BT_LIB_LOGV("Notifying graph listeners that a port was removed: " | |
1436 | "%![graph-]+g, %![comp-]+c, %![port-]+p", graph, comp, port); | |
1437 | ||
1438 | switch (comp->class->type) { | |
1439 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1440 | { | |
1441 | switch (port->type) { | |
1442 | case BT_PORT_TYPE_OUTPUT: | |
1443 | listeners = graph->listeners.source_output_port_removed; | |
1444 | break; | |
1445 | default: | |
1446 | abort(); | |
1447 | } | |
1448 | ||
1449 | break; | |
1450 | } | |
1451 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1452 | { | |
1453 | switch (port->type) { | |
1454 | case BT_PORT_TYPE_INPUT: | |
1455 | listeners = graph->listeners.filter_input_port_removed; | |
1456 | break; | |
1457 | case BT_PORT_TYPE_OUTPUT: | |
1458 | listeners = graph->listeners.filter_output_port_removed; | |
1459 | break; | |
1460 | default: | |
1461 | abort(); | |
1462 | } | |
1463 | ||
1464 | break; | |
1465 | } | |
1466 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1467 | { | |
1468 | switch (port->type) { | |
1469 | case BT_PORT_TYPE_INPUT: | |
1470 | listeners = graph->listeners.sink_input_port_removed; | |
1471 | break; | |
1472 | default: | |
1473 | abort(); | |
1474 | } | |
1bf957a0 | 1475 | |
d94d92ac PP |
1476 | break; |
1477 | } | |
1478 | default: | |
1479 | abort(); | |
1480 | } | |
262e5473 | 1481 | |
d94d92ac PP |
1482 | for (i = 0; i < listeners->len; i++) { |
1483 | struct bt_graph_listener_port_removed *listener = | |
1484 | &g_array_index(listeners, | |
1485 | struct bt_graph_listener_port_removed, i); | |
1bf957a0 | 1486 | |
d94d92ac PP |
1487 | BT_ASSERT(listener->func); |
1488 | listener->func(comp, port, listener->base.data); | |
1bf957a0 PP |
1489 | } |
1490 | } | |
1491 | ||
1492 | BT_HIDDEN | |
f345f8bb PP |
1493 | void bt_graph_notify_ports_connected(struct bt_graph *graph, |
1494 | struct bt_port *upstream_port, struct bt_port *downstream_port) | |
1bf957a0 | 1495 | { |
d94d92ac PP |
1496 | uint64_t i; |
1497 | GArray *listeners; | |
1498 | struct bt_component *upstream_comp; | |
1499 | struct bt_component *downstream_comp; | |
1bf957a0 | 1500 | |
d94d92ac PP |
1501 | BT_ASSERT(graph); |
1502 | BT_ASSERT(upstream_port); | |
1503 | BT_ASSERT(downstream_port); | |
1504 | BT_LIB_LOGV("Notifying graph listeners that ports were connected: " | |
1505 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", | |
1506 | graph, upstream_port, downstream_port); | |
1507 | upstream_comp = bt_port_borrow_component(upstream_port); | |
1508 | BT_ASSERT(upstream_comp); | |
1509 | downstream_comp = bt_port_borrow_component(downstream_port); | |
1510 | BT_ASSERT(downstream_comp); | |
1511 | ||
1512 | switch (upstream_comp->class->type) { | |
1513 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1514 | { | |
1515 | switch (downstream_comp->class->type) { | |
1516 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1517 | listeners = | |
1518 | graph->listeners.source_filter_ports_connected; | |
1519 | break; | |
1520 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1521 | listeners = | |
1522 | graph->listeners.source_sink_ports_connected; | |
1523 | break; | |
1524 | default: | |
1525 | abort(); | |
1526 | } | |
262e5473 | 1527 | |
d94d92ac PP |
1528 | break; |
1529 | } | |
1530 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1531 | { | |
1532 | switch (downstream_comp->class->type) { | |
1533 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1534 | listeners = | |
1535 | graph->listeners.filter_sink_ports_connected; | |
1536 | break; | |
1537 | default: | |
1538 | abort(); | |
1539 | } | |
1bf957a0 | 1540 | |
d94d92ac PP |
1541 | break; |
1542 | } | |
1543 | default: | |
1544 | abort(); | |
1545 | } | |
1546 | ||
1547 | for (i = 0; i < listeners->len; i++) { | |
1548 | struct bt_graph_listener_ports_connected *listener = | |
1549 | &g_array_index(listeners, | |
1550 | struct bt_graph_listener_ports_connected, i); | |
1551 | ||
1552 | BT_ASSERT(listener->func); | |
1553 | listener->func(upstream_comp, downstream_comp, | |
1554 | upstream_port, downstream_port, listener->base.data); | |
1bf957a0 PP |
1555 | } |
1556 | } | |
1557 | ||
1558 | BT_HIDDEN | |
f345f8bb PP |
1559 | void bt_graph_notify_ports_disconnected(struct bt_graph *graph, |
1560 | struct bt_component *upstream_comp, | |
1561 | struct bt_component *downstream_comp, | |
d94d92ac PP |
1562 | struct bt_port *upstream_port, |
1563 | struct bt_port *downstream_port) | |
1bf957a0 | 1564 | { |
d94d92ac PP |
1565 | uint64_t i; |
1566 | GArray *listeners; | |
1567 | ||
1568 | BT_ASSERT(graph); | |
1569 | BT_ASSERT(upstream_comp); | |
1570 | BT_ASSERT(downstream_comp); | |
1571 | BT_ASSERT(upstream_port); | |
1572 | BT_ASSERT(downstream_port); | |
1573 | BT_LIB_LOGV("Notifying graph listeners that ports were disconnected: " | |
1574 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p, " | |
1575 | "%![up-comp-]+c, %![down-comp-]+c", | |
1576 | graph, upstream_port, downstream_port, upstream_comp, | |
1577 | downstream_comp); | |
1578 | ||
1579 | switch (upstream_comp->class->type) { | |
1580 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1581 | { | |
1582 | switch (downstream_comp->class->type) { | |
1583 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1584 | listeners = | |
1585 | graph->listeners.source_filter_ports_disconnected; | |
1586 | break; | |
1587 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1588 | listeners = | |
1589 | graph->listeners.source_sink_ports_disconnected; | |
1590 | break; | |
1591 | default: | |
1592 | abort(); | |
1593 | } | |
1bf957a0 | 1594 | |
d94d92ac PP |
1595 | break; |
1596 | } | |
1597 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1598 | { | |
1599 | switch (downstream_comp->class->type) { | |
1600 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1601 | listeners = | |
1602 | graph->listeners.filter_sink_ports_disconnected; | |
1603 | break; | |
1604 | default: | |
1605 | abort(); | |
1606 | } | |
1607 | ||
1608 | break; | |
1609 | } | |
1610 | default: | |
1611 | abort(); | |
1612 | } | |
262e5473 | 1613 | |
d94d92ac PP |
1614 | for (i = 0; i < listeners->len; i++) { |
1615 | struct bt_graph_listener_ports_disconnected *listener = | |
1616 | &g_array_index(listeners, | |
1617 | struct bt_graph_listener_ports_disconnected, i); | |
1bf957a0 | 1618 | |
d94d92ac PP |
1619 | BT_ASSERT(listener->func); |
1620 | listener->func(upstream_comp, downstream_comp, | |
1621 | upstream_port, downstream_port, listener->base.data); | |
1bf957a0 PP |
1622 | } |
1623 | } | |
202a3a13 | 1624 | |
a2d06fd5 PP |
1625 | enum bt_graph_status bt_private_graph_cancel( |
1626 | struct bt_private_graph *priv_graph) | |
202a3a13 | 1627 | { |
a2d06fd5 | 1628 | struct bt_graph *graph = (void *) priv_graph; |
202a3a13 | 1629 | |
d94d92ac PP |
1630 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1631 | graph->canceled = true; | |
1632 | BT_LIB_LOGV("Canceled graph: %!+i", graph); | |
1633 | return BT_GRAPH_STATUS_OK; | |
202a3a13 PP |
1634 | } |
1635 | ||
c7eee084 | 1636 | bt_bool bt_graph_is_canceled(struct bt_graph *graph) |
202a3a13 | 1637 | { |
d94d92ac PP |
1638 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1639 | return graph->canceled ? BT_TRUE : BT_FALSE; | |
202a3a13 | 1640 | } |
f167d3c0 PP |
1641 | |
1642 | BT_HIDDEN | |
1643 | void bt_graph_remove_connection(struct bt_graph *graph, | |
1644 | struct bt_connection *connection) | |
1645 | { | |
f6ccaed9 PP |
1646 | BT_ASSERT(graph); |
1647 | BT_ASSERT(connection); | |
d94d92ac | 1648 | BT_LIB_LOGV("Removing graph's connection: %![graph-]+g, %![conn-]+x", |
262e5473 | 1649 | graph, connection); |
f167d3c0 PP |
1650 | g_ptr_array_remove(graph->connections, connection); |
1651 | } | |
36712f1d | 1652 | |
d94d92ac PP |
1653 | BT_ASSERT_PRE_FUNC |
1654 | static inline | |
1655 | bool component_name_exists(struct bt_graph *graph, const char *name) | |
1656 | { | |
1657 | bool exists = false; | |
1658 | uint64_t i; | |
1659 | ||
1660 | for (i = 0; i < graph->components->len; i++) { | |
1661 | struct bt_component *other_comp = graph->components->pdata[i]; | |
1662 | ||
1663 | if (strcmp(name, bt_component_get_name(other_comp)) == 0) { | |
1664 | BT_ASSERT_PRE_MSG("Another component with the same name already exists in the graph: " | |
1665 | "%![other-comp-]+c, name=\"%s\"", | |
1666 | other_comp, name); | |
1667 | exists = true; | |
1668 | goto end; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | end: | |
1673 | return exists; | |
1674 | } | |
1675 | ||
1676 | static | |
1677 | enum bt_graph_status add_component_with_init_method_data( | |
a2d06fd5 | 1678 | struct bt_private_graph *priv_graph, |
d94d92ac PP |
1679 | struct bt_component_class *comp_cls, |
1680 | comp_init_method_t init_method, | |
05e21286 | 1681 | const char *name, const struct bt_value *params, |
d94d92ac | 1682 | void *init_method_data, struct bt_component **user_component) |
36712f1d | 1683 | { |
a2d06fd5 | 1684 | struct bt_graph *graph = (void *) priv_graph; |
36712f1d | 1685 | enum bt_graph_status graph_status = BT_GRAPH_STATUS_OK; |
d94d92ac | 1686 | enum bt_self_component_status comp_status; |
36712f1d | 1687 | struct bt_component *component = NULL; |
d94d92ac PP |
1688 | int ret; |
1689 | bool init_can_consume; | |
05e21286 | 1690 | struct bt_value *new_params = NULL; |
36712f1d | 1691 | |
d94d92ac PP |
1692 | BT_ASSERT(comp_cls); |
1693 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1694 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
1695 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
1696 | BT_ASSERT_PRE(!component_name_exists(graph, name), | |
1697 | "Duplicate component name: %!+g, name=\"%s\"", graph, name); | |
1698 | BT_ASSERT_PRE(!params || bt_value_is_map(params), | |
1699 | "Parameter value is not a map value: %!+v", params); | |
4aa7981f | 1700 | init_can_consume = graph->can_consume; |
d94d92ac PP |
1701 | bt_graph_set_can_consume(graph, false); |
1702 | BT_LIB_LOGD("Adding component to graph: " | |
1703 | "%![graph-]+g, %![cc-]+C, name=\"%s\", %![params-]+v, " | |
36712f1d | 1704 | "init-method-data-addr=%p", |
d94d92ac | 1705 | graph, comp_cls, name, params, init_method_data); |
36712f1d | 1706 | |
d94d92ac | 1707 | if (!params) { |
05e21286 PP |
1708 | new_params = bt_value_map_create(); |
1709 | if (!new_params) { | |
36712f1d PP |
1710 | BT_LOGE_STR("Cannot create map value object."); |
1711 | graph_status = BT_GRAPH_STATUS_NOMEM; | |
1712 | goto end; | |
1713 | } | |
05e21286 PP |
1714 | |
1715 | params = new_params; | |
36712f1d PP |
1716 | } |
1717 | ||
d94d92ac PP |
1718 | ret = bt_component_create(comp_cls, name, &component); |
1719 | if (ret) { | |
1720 | BT_LOGE("Cannot create empty component object: ret=%d", | |
1721 | ret); | |
1722 | graph_status = BT_GRAPH_STATUS_NOMEM; | |
36712f1d PP |
1723 | goto end; |
1724 | } | |
1725 | ||
1726 | /* | |
1727 | * The user's initialization method needs to see that this | |
1728 | * component is part of the graph. If the user method fails, we | |
1729 | * immediately remove the component from the graph's components. | |
1730 | */ | |
1731 | g_ptr_array_add(graph->components, component); | |
1732 | bt_component_set_graph(component, graph); | |
1733 | ||
d94d92ac | 1734 | if (init_method) { |
36712f1d | 1735 | BT_LOGD_STR("Calling user's initialization method."); |
d94d92ac | 1736 | comp_status = init_method(component, params, init_method_data); |
36712f1d | 1737 | BT_LOGD("User method returned: status=%s", |
d94d92ac PP |
1738 | bt_self_component_status_string(comp_status)); |
1739 | if (comp_status != BT_SELF_COMPONENT_STATUS_OK) { | |
36712f1d | 1740 | BT_LOGW_STR("Initialization method failed."); |
d94d92ac | 1741 | graph_status = (int) comp_status; |
36712f1d PP |
1742 | bt_component_set_graph(component, NULL); |
1743 | g_ptr_array_remove_fast(graph->components, component); | |
1744 | goto end; | |
1745 | } | |
1746 | } | |
1747 | ||
1748 | /* | |
1749 | * Mark the component as initialized so that its finalization | |
1750 | * method is called when it is destroyed. | |
1751 | */ | |
1752 | component->initialized = true; | |
1753 | ||
1754 | /* | |
1755 | * If it's a sink component, it needs to be part of the graph's | |
1756 | * sink queue to be consumed by bt_graph_consume(). | |
1757 | */ | |
1758 | if (bt_component_is_sink(component)) { | |
d94d92ac | 1759 | graph->has_sink = true; |
36712f1d PP |
1760 | g_queue_push_tail(graph->sinks_to_consume, component); |
1761 | } | |
1762 | ||
1763 | /* | |
1764 | * Freeze the component class now that it's instantiated at | |
1765 | * least once. | |
1766 | */ | |
1767 | BT_LOGD_STR("Freezing component class."); | |
d94d92ac PP |
1768 | bt_component_class_freeze(comp_cls); |
1769 | BT_LIB_LOGD("Added component to graph: " | |
1770 | "%![graph-]+g, %![cc-]+C, name=\"%s\", %![params-]+v, " | |
1771 | "init-method-data-addr=%p, %![comp-]+c", | |
1772 | graph, comp_cls, name, params, init_method_data, component); | |
36712f1d PP |
1773 | |
1774 | if (user_component) { | |
1775 | /* Move reference to user */ | |
1776 | *user_component = component; | |
1777 | component = NULL; | |
1778 | } | |
1779 | ||
1780 | end: | |
65300d60 | 1781 | bt_object_put_ref(component); |
05e21286 | 1782 | bt_object_put_ref(new_params); |
d94d92ac PP |
1783 | (void) init_can_consume; |
1784 | bt_graph_set_can_consume(graph, init_can_consume); | |
36712f1d PP |
1785 | return graph_status; |
1786 | } | |
1787 | ||
d94d92ac PP |
1788 | enum bt_graph_status |
1789 | bt_private_graph_add_source_component_with_init_method_data( | |
1790 | struct bt_private_graph *graph, | |
1791 | struct bt_component_class_source *comp_cls, | |
05e21286 | 1792 | const char *name, const struct bt_value *params, |
d94d92ac PP |
1793 | void *init_method_data, struct bt_component_source **component) |
1794 | { | |
1795 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); | |
1796 | return add_component_with_init_method_data(graph, | |
1797 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1798 | name, params, init_method_data, (void *) component); | |
1799 | } | |
1800 | ||
1801 | enum bt_graph_status bt_private_graph_add_source_component( | |
1802 | struct bt_private_graph *graph, | |
1803 | struct bt_component_class_source *comp_cls, | |
05e21286 | 1804 | const char *name, const struct bt_value *params, |
d94d92ac PP |
1805 | struct bt_component_source **component) |
1806 | { | |
1807 | return bt_private_graph_add_source_component_with_init_method_data( | |
1808 | graph, comp_cls, name, params, NULL, component); | |
1809 | } | |
1810 | ||
1811 | enum bt_graph_status | |
1812 | bt_private_graph_add_filter_component_with_init_method_data( | |
1813 | struct bt_private_graph *graph, | |
1814 | struct bt_component_class_filter *comp_cls, | |
05e21286 | 1815 | const char *name, const struct bt_value *params, |
d94d92ac PP |
1816 | void *init_method_data, struct bt_component_filter **component) |
1817 | { | |
1818 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); | |
1819 | return add_component_with_init_method_data(graph, | |
1820 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1821 | name, params, init_method_data, (void *) component); | |
1822 | } | |
1823 | ||
1824 | enum bt_graph_status bt_private_graph_add_filter_component( | |
1825 | struct bt_private_graph *graph, | |
1826 | struct bt_component_class_filter *comp_cls, | |
05e21286 | 1827 | const char *name, const struct bt_value *params, |
d94d92ac PP |
1828 | struct bt_component_filter **component) |
1829 | { | |
1830 | return bt_private_graph_add_filter_component_with_init_method_data( | |
1831 | graph, comp_cls, name, params, NULL, component); | |
1832 | } | |
1833 | ||
1834 | enum bt_graph_status | |
1835 | bt_private_graph_add_sink_component_with_init_method_data( | |
a2d06fd5 | 1836 | struct bt_private_graph *graph, |
d94d92ac | 1837 | struct bt_component_class_sink *comp_cls, |
05e21286 | 1838 | const char *name, const struct bt_value *params, |
d94d92ac | 1839 | void *init_method_data, struct bt_component_sink **component) |
36712f1d | 1840 | { |
d94d92ac PP |
1841 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); |
1842 | return add_component_with_init_method_data(graph, | |
1843 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1844 | name, params, init_method_data, (void *) component); | |
1845 | } | |
1846 | ||
1847 | enum bt_graph_status bt_private_graph_add_sink_component( | |
1848 | struct bt_private_graph *graph, | |
1849 | struct bt_component_class_sink *comp_cls, | |
05e21286 | 1850 | const char *name, const struct bt_value *params, |
d94d92ac PP |
1851 | struct bt_component_sink **component) |
1852 | { | |
1853 | return bt_private_graph_add_sink_component_with_init_method_data( | |
1854 | graph, comp_cls, name, params, NULL, component); | |
36712f1d | 1855 | } |
8ed535b5 PP |
1856 | |
1857 | BT_HIDDEN | |
1858 | int bt_graph_remove_unconnected_component(struct bt_graph *graph, | |
1859 | struct bt_component *component) | |
1860 | { | |
d94d92ac PP |
1861 | bool init_can_consume; |
1862 | uint64_t count; | |
8ed535b5 PP |
1863 | uint64_t i; |
1864 | int ret = 0; | |
1865 | ||
f6ccaed9 PP |
1866 | BT_ASSERT(graph); |
1867 | BT_ASSERT(component); | |
3fea54f6 | 1868 | BT_ASSERT(component->base.ref_count == 0); |
f6ccaed9 | 1869 | BT_ASSERT(bt_component_borrow_graph(component) == graph); |
8ed535b5 | 1870 | |
4aa7981f | 1871 | init_can_consume = graph->can_consume; |
8ed535b5 PP |
1872 | count = bt_component_get_input_port_count(component); |
1873 | ||
1874 | for (i = 0; i < count; i++) { | |
d94d92ac PP |
1875 | struct bt_port *port = (void *) |
1876 | bt_component_borrow_input_port_by_index(component, i); | |
8ed535b5 | 1877 | |
f6ccaed9 | 1878 | BT_ASSERT(port); |
8ed535b5 PP |
1879 | |
1880 | if (bt_port_is_connected(port)) { | |
d94d92ac | 1881 | BT_LIB_LOGW("Cannot remove component from graph: " |
8ed535b5 | 1882 | "an input port is connected: " |
d94d92ac PP |
1883 | "%![graph-]+g, %![comp-]+c, %![port-]+p", |
1884 | graph, component, port); | |
8ed535b5 PP |
1885 | goto error; |
1886 | } | |
1887 | } | |
1888 | ||
1889 | count = bt_component_get_output_port_count(component); | |
1890 | ||
1891 | for (i = 0; i < count; i++) { | |
d94d92ac PP |
1892 | struct bt_port *port = (void *) |
1893 | bt_component_borrow_output_port_by_index(component, i); | |
8ed535b5 | 1894 | |
f6ccaed9 | 1895 | BT_ASSERT(port); |
8ed535b5 PP |
1896 | |
1897 | if (bt_port_is_connected(port)) { | |
d94d92ac | 1898 | BT_LIB_LOGW("Cannot remove component from graph: " |
8ed535b5 | 1899 | "an output port is connected: " |
d94d92ac PP |
1900 | "%![graph-]+g, %![comp-]+c, %![port-]+p", |
1901 | graph, component, port); | |
8ed535b5 PP |
1902 | goto error; |
1903 | } | |
1904 | } | |
1905 | ||
d94d92ac | 1906 | bt_graph_set_can_consume(graph, false); |
8ed535b5 PP |
1907 | |
1908 | /* Possibly remove from sinks to consume */ | |
1909 | (void) g_queue_remove(graph->sinks_to_consume, component); | |
1910 | ||
1911 | if (graph->sinks_to_consume->length == 0) { | |
d94d92ac | 1912 | graph->has_sink = false; |
8ed535b5 PP |
1913 | } |
1914 | ||
1915 | /* | |
3fea54f6 PP |
1916 | * This calls bt_object_try_spec_release() on the component, and |
1917 | * since its reference count is 0, its destructor is called. Its | |
8ed535b5 PP |
1918 | * destructor calls the user's finalization method (if set). |
1919 | */ | |
1920 | g_ptr_array_remove(graph->components, component); | |
1921 | goto end; | |
1922 | ||
1923 | error: | |
1924 | ret = -1; | |
1925 | ||
1926 | end: | |
d94d92ac PP |
1927 | (void) init_can_consume; |
1928 | bt_graph_set_can_consume(graph, init_can_consume); | |
8ed535b5 PP |
1929 | return ret; |
1930 | } | |
5c563278 PP |
1931 | |
1932 | BT_HIDDEN | |
1933 | void bt_graph_add_notification(struct bt_graph *graph, | |
1934 | struct bt_notification *notif) | |
1935 | { | |
1936 | BT_ASSERT(graph); | |
1937 | BT_ASSERT(notif); | |
1938 | ||
1939 | /* | |
1940 | * It's okay not to take a reference because, when a | |
1941 | * notification's reference count drops to 0, either: | |
1942 | * | |
1943 | * * It is recycled back to one of this graph's pool. | |
1944 | * * It is destroyed because it doesn't have any link to any | |
1945 | * graph, which means the original graph is already destroyed. | |
1946 | */ | |
1947 | g_ptr_array_add(graph->notifications, notif); | |
1948 | } |