Commit | Line | Data |
---|---|---|
c0418dd9 | 1 | /* |
0554db57 | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
f60c8b34 | 3 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@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 | ||
317e35ec PP |
27 | #include <babeltrace/assert-internal.h> |
28 | #include <babeltrace/assert-pre-internal.h> | |
b2e0c907 | 29 | #include <babeltrace/graph/component-internal.h> |
96ffdc46 PP |
30 | #include <babeltrace/graph/graph.h> |
31 | #include <babeltrace/graph/graph-const.h> | |
b2e0c907 PP |
32 | #include <babeltrace/graph/graph-internal.h> |
33 | #include <babeltrace/graph/connection-internal.h> | |
34 | #include <babeltrace/graph/component-sink-internal.h> | |
96ffdc46 PP |
35 | #include <babeltrace/graph/component-source-const.h> |
36 | #include <babeltrace/graph/component-filter-const.h> | |
37 | #include <babeltrace/graph/port-const.h> | |
c14831f0 PP |
38 | #include <babeltrace/graph/message-internal.h> |
39 | #include <babeltrace/graph/message-event-internal.h> | |
40 | #include <babeltrace/graph/message-packet-internal.h> | |
3d9990ac | 41 | #include <babeltrace/compiler-internal.h> |
351704a7 | 42 | #include <babeltrace/common-internal.h> |
c55a9f58 | 43 | #include <babeltrace/types.h> |
c319d0ae PP |
44 | #include <babeltrace/value.h> |
45 | #include <babeltrace/value-const.h> | |
46 | #include <babeltrace/value-internal.h> | |
f60c8b34 | 47 | #include <unistd.h> |
1bf957a0 PP |
48 | #include <glib.h> |
49 | ||
96ffdc46 PP |
50 | typedef void (*port_added_func_t)(const void *, const void *, void *); |
51 | ||
52 | typedef void (*port_removed_func_t)(const void *, const void *, void *); | |
53 | ||
54 | typedef void (*ports_connected_func_t)(const void *, const void *, const void *, | |
55 | const void *, void *); | |
56 | ||
57 | typedef void (*ports_disconnected_func_t)(const void *, const void *, | |
58 | const void *, const void *, void *); | |
59 | ||
60 | typedef enum bt_self_component_status (*comp_init_method_t)(const void *, | |
61 | const void *, void *); | |
d27a81b2 | 62 | |
1bf957a0 | 63 | struct bt_graph_listener { |
96ffdc46 | 64 | bt_graph_listener_removed_func removed; |
1bf957a0 PP |
65 | void *data; |
66 | }; | |
c0418dd9 | 67 | |
d27a81b2 PP |
68 | struct bt_graph_listener_port_added { |
69 | struct bt_graph_listener base; | |
70 | port_added_func_t func; | |
71 | }; | |
8cc092c9 | 72 | |
d27a81b2 PP |
73 | struct bt_graph_listener_port_removed { |
74 | struct bt_graph_listener base; | |
75 | port_removed_func_t func; | |
76 | }; | |
8cc092c9 | 77 | |
d27a81b2 PP |
78 | struct bt_graph_listener_ports_connected { |
79 | struct bt_graph_listener base; | |
80 | ports_connected_func_t func; | |
81 | }; | |
8cc092c9 | 82 | |
d27a81b2 PP |
83 | struct bt_graph_listener_ports_disconnected { |
84 | struct bt_graph_listener base; | |
85 | ports_disconnected_func_t func; | |
86 | }; | |
8cc092c9 | 87 | |
d27a81b2 PP |
88 | #define INIT_LISTENERS_ARRAY(_type, _listeners) \ |
89 | do { \ | |
90 | _listeners = g_array_new(FALSE, TRUE, sizeof(_type)); \ | |
91 | if (!(_listeners)) { \ | |
92 | BT_LOGE_STR("Failed to allocate one GArray."); \ | |
93 | } \ | |
94 | } while (0) | |
95 | ||
96 | #define CALL_REMOVE_LISTENERS(_type, _listeners) \ | |
97 | do { \ | |
98 | size_t i; \ | |
99 | \ | |
100 | for (i = 0; i < (_listeners)->len; i++) { \ | |
101 | _type *listener = \ | |
102 | &g_array_index((_listeners), _type, i); \ | |
103 | \ | |
104 | if (listener->base.removed) { \ | |
105 | listener->base.removed(listener->base.data); \ | |
106 | } \ | |
107 | } \ | |
108 | } while (0) | |
8cc092c9 | 109 | |
f60c8b34 | 110 | static |
d27a81b2 | 111 | void destroy_graph(struct bt_object *obj) |
c0418dd9 | 112 | { |
96ffdc46 | 113 | struct bt_graph *graph = container_of(obj, struct bt_graph, base); |
c0418dd9 | 114 | |
bd14d768 PP |
115 | /* |
116 | * The graph's reference count is 0 if we're here. Increment | |
117 | * it to avoid a double-destroy (possibly infinitely recursive) | |
118 | * in this situation: | |
119 | * | |
120 | * 1. We put and destroy a connection. | |
121 | * 2. This connection's destructor finalizes its active | |
c14831f0 PP |
122 | * message iterators. |
123 | * 3. A message iterator's finalization function gets a | |
bd14d768 PP |
124 | * new reference on its component (reference count goes from |
125 | * 0 to 1). | |
126 | * 4. Since this component's reference count goes to 1, it takes | |
127 | * a reference on its parent (this graph). This graph's | |
128 | * reference count goes from 0 to 1. | |
c14831f0 | 129 | * 5. The message iterator's finalization function puts its |
bd14d768 PP |
130 | * component reference (reference count goes from 1 to 0). |
131 | * 6. Since this component's reference count goes from 1 to 0, | |
132 | * it puts its parent (this graph). This graph's reference | |
133 | * count goes from 1 to 0. | |
134 | * 7. Since this graph's reference count goes from 1 to 0, | |
135 | * its destructor is called (this function). | |
136 | * | |
137 | * With the incrementation below, the graph's reference count at | |
138 | * step 4 goes from 1 to 2, and from 2 to 1 at step 6. This | |
139 | * ensures that this function is not called two times. | |
140 | */ | |
d27a81b2 | 141 | BT_LIB_LOGD("Destroying graph: %!+g", graph); |
3fea54f6 | 142 | obj->ref_count++; |
bd14d768 | 143 | |
49682acd PP |
144 | /* |
145 | * Cancel the graph to disallow some operations, like creating | |
c14831f0 | 146 | * message iterators and adding ports to components. |
49682acd | 147 | */ |
96ffdc46 | 148 | (void) bt_graph_cancel((void *) graph); |
49682acd | 149 | |
8cc092c9 | 150 | /* Call all remove listeners */ |
d27a81b2 PP |
151 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, |
152 | graph->listeners.source_output_port_added); | |
153 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
154 | graph->listeners.filter_output_port_added); | |
155 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
156 | graph->listeners.filter_input_port_added); | |
157 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
158 | graph->listeners.sink_input_port_added); | |
159 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
160 | graph->listeners.source_output_port_removed); | |
161 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
162 | graph->listeners.filter_output_port_removed); | |
163 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
164 | graph->listeners.filter_input_port_removed); | |
165 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_removed, | |
166 | graph->listeners.sink_input_port_removed); | |
167 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, | |
168 | graph->listeners.source_filter_ports_connected); | |
c107eee1 PP |
169 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, |
170 | graph->listeners.filter_filter_ports_connected); | |
d27a81b2 PP |
171 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, |
172 | graph->listeners.source_sink_ports_connected); | |
173 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, | |
174 | graph->listeners.filter_sink_ports_connected); | |
175 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, | |
176 | graph->listeners.source_filter_ports_disconnected); | |
c107eee1 PP |
177 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, |
178 | graph->listeners.filter_filter_ports_disconnected); | |
d27a81b2 PP |
179 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, |
180 | graph->listeners.source_sink_ports_disconnected); | |
181 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_disconnected, | |
182 | graph->listeners.filter_sink_ports_disconnected); | |
8cc092c9 | 183 | |
c14831f0 PP |
184 | if (graph->messages) { |
185 | g_ptr_array_free(graph->messages, TRUE); | |
186 | graph->messages = NULL; | |
5c563278 PP |
187 | } |
188 | ||
c0418dd9 | 189 | if (graph->connections) { |
262e5473 | 190 | BT_LOGD_STR("Destroying connections."); |
c0418dd9 | 191 | g_ptr_array_free(graph->connections, TRUE); |
d27a81b2 | 192 | graph->connections = NULL; |
c0418dd9 | 193 | } |
5c563278 | 194 | |
bd14d768 | 195 | if (graph->components) { |
262e5473 | 196 | BT_LOGD_STR("Destroying components."); |
bd14d768 | 197 | g_ptr_array_free(graph->components, TRUE); |
d27a81b2 | 198 | graph->components = NULL; |
bd14d768 | 199 | } |
5c563278 | 200 | |
f60c8b34 JG |
201 | if (graph->sinks_to_consume) { |
202 | g_queue_free(graph->sinks_to_consume); | |
d27a81b2 PP |
203 | graph->sinks_to_consume = NULL; |
204 | } | |
205 | ||
206 | if (graph->listeners.source_output_port_added) { | |
207 | g_array_free(graph->listeners.source_output_port_added, TRUE); | |
208 | graph->listeners.source_output_port_added = NULL; | |
209 | } | |
210 | ||
211 | if (graph->listeners.filter_output_port_added) { | |
212 | g_array_free(graph->listeners.filter_output_port_added, TRUE); | |
213 | graph->listeners.filter_output_port_added = NULL; | |
214 | } | |
215 | ||
216 | if (graph->listeners.filter_input_port_added) { | |
217 | g_array_free(graph->listeners.filter_input_port_added, TRUE); | |
218 | graph->listeners.filter_input_port_added = NULL; | |
c0418dd9 | 219 | } |
1bf957a0 | 220 | |
d27a81b2 PP |
221 | if (graph->listeners.sink_input_port_added) { |
222 | g_array_free(graph->listeners.sink_input_port_added, TRUE); | |
223 | graph->listeners.sink_input_port_added = NULL; | |
1bf957a0 PP |
224 | } |
225 | ||
d27a81b2 PP |
226 | if (graph->listeners.source_output_port_removed) { |
227 | g_array_free(graph->listeners.source_output_port_removed, TRUE); | |
228 | graph->listeners.source_output_port_removed = NULL; | |
1bf957a0 PP |
229 | } |
230 | ||
d27a81b2 PP |
231 | if (graph->listeners.filter_output_port_removed) { |
232 | g_array_free(graph->listeners.filter_output_port_removed, TRUE); | |
233 | graph->listeners.filter_output_port_removed = NULL; | |
1bf957a0 PP |
234 | } |
235 | ||
d27a81b2 PP |
236 | if (graph->listeners.filter_input_port_removed) { |
237 | g_array_free(graph->listeners.filter_input_port_removed, TRUE); | |
238 | graph->listeners.filter_input_port_removed = NULL; | |
239 | } | |
240 | ||
241 | if (graph->listeners.sink_input_port_removed) { | |
242 | g_array_free(graph->listeners.sink_input_port_removed, TRUE); | |
243 | graph->listeners.sink_input_port_removed = NULL; | |
244 | } | |
245 | ||
246 | if (graph->listeners.source_filter_ports_connected) { | |
247 | g_array_free(graph->listeners.source_filter_ports_connected, | |
248 | TRUE); | |
249 | graph->listeners.source_filter_ports_connected = NULL; | |
250 | } | |
251 | ||
c107eee1 PP |
252 | if (graph->listeners.filter_filter_ports_connected) { |
253 | g_array_free(graph->listeners.filter_filter_ports_connected, | |
254 | TRUE); | |
255 | graph->listeners.filter_filter_ports_connected = NULL; | |
256 | } | |
257 | ||
d27a81b2 PP |
258 | if (graph->listeners.source_sink_ports_connected) { |
259 | g_array_free(graph->listeners.source_sink_ports_connected, | |
260 | TRUE); | |
261 | graph->listeners.source_sink_ports_connected = NULL; | |
262 | } | |
263 | ||
264 | if (graph->listeners.filter_sink_ports_connected) { | |
265 | g_array_free(graph->listeners.filter_sink_ports_connected, | |
266 | TRUE); | |
267 | graph->listeners.filter_sink_ports_connected = NULL; | |
268 | } | |
269 | ||
270 | if (graph->listeners.source_filter_ports_disconnected) { | |
271 | g_array_free(graph->listeners.source_filter_ports_disconnected, | |
272 | TRUE); | |
273 | graph->listeners.source_filter_ports_disconnected = NULL; | |
274 | } | |
275 | ||
276 | if (graph->listeners.source_sink_ports_disconnected) { | |
277 | g_array_free(graph->listeners.source_sink_ports_disconnected, | |
278 | TRUE); | |
279 | graph->listeners.source_sink_ports_disconnected = NULL; | |
280 | } | |
281 | ||
c107eee1 PP |
282 | if (graph->listeners.filter_filter_ports_disconnected) { |
283 | g_array_free(graph->listeners.filter_filter_ports_disconnected, | |
284 | TRUE); | |
285 | graph->listeners.filter_filter_ports_disconnected = NULL; | |
286 | } | |
287 | ||
d27a81b2 PP |
288 | if (graph->listeners.filter_sink_ports_disconnected) { |
289 | g_array_free(graph->listeners.filter_sink_ports_disconnected, | |
290 | TRUE); | |
291 | graph->listeners.filter_sink_ports_disconnected = NULL; | |
1bf957a0 PP |
292 | } |
293 | ||
c14831f0 PP |
294 | bt_object_pool_finalize(&graph->event_msg_pool); |
295 | bt_object_pool_finalize(&graph->packet_begin_msg_pool); | |
296 | bt_object_pool_finalize(&graph->packet_end_msg_pool); | |
c0418dd9 JG |
297 | g_free(graph); |
298 | } | |
299 | ||
5c563278 | 300 | static |
c14831f0 | 301 | void destroy_message_event(struct bt_message *msg, |
5c563278 PP |
302 | struct bt_graph *graph) |
303 | { | |
c14831f0 | 304 | bt_message_event_destroy(msg); |
5c563278 PP |
305 | } |
306 | ||
307 | static | |
c14831f0 | 308 | void destroy_message_packet_begin(struct bt_message *msg, |
5c563278 PP |
309 | struct bt_graph *graph) |
310 | { | |
c14831f0 | 311 | bt_message_packet_beginning_destroy(msg); |
5c563278 PP |
312 | } |
313 | ||
314 | static | |
c14831f0 | 315 | void destroy_message_packet_end(struct bt_message *msg, |
5c563278 PP |
316 | struct bt_graph *graph) |
317 | { | |
c14831f0 | 318 | bt_message_packet_end_destroy(msg); |
5c563278 PP |
319 | } |
320 | ||
321 | static | |
c14831f0 | 322 | void notify_message_graph_is_destroyed(struct bt_message *msg) |
5c563278 | 323 | { |
c14831f0 | 324 | bt_message_unlink_graph(msg); |
5c563278 PP |
325 | } |
326 | ||
96ffdc46 | 327 | struct bt_graph *bt_graph_create(void) |
c0418dd9 | 328 | { |
f60c8b34 | 329 | struct bt_graph *graph; |
1bf957a0 | 330 | int ret; |
c0418dd9 | 331 | |
262e5473 | 332 | BT_LOGD_STR("Creating graph object."); |
f60c8b34 | 333 | graph = g_new0(struct bt_graph, 1); |
c0418dd9 | 334 | if (!graph) { |
262e5473 | 335 | BT_LOGE_STR("Failed to allocate one graph."); |
c0418dd9 JG |
336 | goto end; |
337 | } | |
338 | ||
d27a81b2 | 339 | bt_object_init_shared(&graph->base, destroy_graph); |
3fea54f6 PP |
340 | graph->connections = g_ptr_array_new_with_free_func( |
341 | (GDestroyNotify) bt_object_try_spec_release); | |
c0418dd9 | 342 | if (!graph->connections) { |
262e5473 | 343 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
c0418dd9 JG |
344 | goto error; |
345 | } | |
3fea54f6 PP |
346 | graph->components = g_ptr_array_new_with_free_func( |
347 | (GDestroyNotify) bt_object_try_spec_release); | |
f60c8b34 | 348 | if (!graph->components) { |
262e5473 | 349 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
f60c8b34 JG |
350 | goto error; |
351 | } | |
352 | graph->sinks_to_consume = g_queue_new(); | |
353 | if (!graph->sinks_to_consume) { | |
262e5473 | 354 | BT_LOGE_STR("Failed to allocate one GQueue."); |
c0418dd9 JG |
355 | goto error; |
356 | } | |
1bf957a0 | 357 | |
d27a81b2 PP |
358 | bt_graph_set_can_consume(graph, true); |
359 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, | |
360 | graph->listeners.source_output_port_added); | |
361 | ||
362 | if (!graph->listeners.source_output_port_added) { | |
363 | ret = -1; | |
1bf957a0 PP |
364 | goto error; |
365 | } | |
366 | ||
d27a81b2 PP |
367 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
368 | graph->listeners.filter_output_port_added); | |
369 | ||
370 | if (!graph->listeners.filter_output_port_added) { | |
371 | ret = -1; | |
1bf957a0 PP |
372 | goto error; |
373 | } | |
374 | ||
d27a81b2 PP |
375 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
376 | graph->listeners.filter_input_port_added); | |
377 | ||
378 | if (!graph->listeners.filter_input_port_added) { | |
379 | ret = -1; | |
1bf957a0 PP |
380 | goto error; |
381 | } | |
382 | ||
d27a81b2 PP |
383 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
384 | graph->listeners.sink_input_port_added); | |
385 | ||
386 | if (!graph->listeners.sink_input_port_added) { | |
387 | ret = -1; | |
388 | goto error; | |
389 | } | |
390 | ||
391 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
392 | graph->listeners.source_output_port_removed); | |
393 | ||
394 | if (!graph->listeners.source_output_port_removed) { | |
395 | ret = -1; | |
396 | goto error; | |
397 | } | |
398 | ||
399 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
400 | graph->listeners.filter_output_port_removed); | |
401 | ||
402 | if (!graph->listeners.filter_output_port_removed) { | |
403 | ret = -1; | |
404 | goto error; | |
405 | } | |
406 | ||
407 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
408 | graph->listeners.filter_input_port_removed); | |
409 | ||
410 | if (!graph->listeners.filter_input_port_removed) { | |
411 | ret = -1; | |
412 | goto error; | |
413 | } | |
414 | ||
415 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_removed, | |
416 | graph->listeners.sink_input_port_removed); | |
417 | ||
418 | if (!graph->listeners.sink_input_port_removed) { | |
419 | ret = -1; | |
420 | goto error; | |
421 | } | |
422 | ||
423 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, | |
424 | graph->listeners.source_filter_ports_connected); | |
425 | ||
426 | if (!graph->listeners.source_filter_ports_connected) { | |
427 | ret = -1; | |
428 | goto error; | |
429 | } | |
430 | ||
431 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, | |
432 | graph->listeners.source_sink_ports_connected); | |
433 | ||
434 | if (!graph->listeners.source_sink_ports_connected) { | |
435 | ret = -1; | |
436 | goto error; | |
437 | } | |
438 | ||
c107eee1 PP |
439 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, |
440 | graph->listeners.filter_filter_ports_connected); | |
441 | ||
442 | if (!graph->listeners.filter_filter_ports_connected) { | |
443 | ret = -1; | |
444 | goto error; | |
445 | } | |
446 | ||
d27a81b2 PP |
447 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, |
448 | graph->listeners.filter_sink_ports_connected); | |
449 | ||
450 | if (!graph->listeners.filter_sink_ports_connected) { | |
451 | ret = -1; | |
452 | goto error; | |
453 | } | |
454 | ||
455 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, | |
456 | graph->listeners.source_filter_ports_disconnected); | |
457 | ||
458 | if (!graph->listeners.source_filter_ports_disconnected) { | |
459 | ret = -1; | |
460 | goto error; | |
461 | } | |
462 | ||
463 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, | |
464 | graph->listeners.source_sink_ports_disconnected); | |
465 | ||
466 | if (!graph->listeners.source_sink_ports_disconnected) { | |
467 | ret = -1; | |
468 | goto error; | |
469 | } | |
470 | ||
c107eee1 PP |
471 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, |
472 | graph->listeners.filter_filter_ports_disconnected); | |
473 | ||
474 | if (!graph->listeners.filter_filter_ports_disconnected) { | |
475 | ret = -1; | |
476 | goto error; | |
477 | } | |
478 | ||
d27a81b2 PP |
479 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_disconnected, |
480 | graph->listeners.filter_sink_ports_disconnected); | |
481 | ||
482 | if (!graph->listeners.filter_sink_ports_disconnected) { | |
483 | ret = -1; | |
1bf957a0 PP |
484 | goto error; |
485 | } | |
486 | ||
c14831f0 PP |
487 | ret = bt_object_pool_initialize(&graph->event_msg_pool, |
488 | (bt_object_pool_new_object_func) bt_message_event_new, | |
489 | (bt_object_pool_destroy_object_func) destroy_message_event, | |
5c563278 PP |
490 | graph); |
491 | if (ret) { | |
c14831f0 | 492 | BT_LOGE("Failed to initialize event message pool: ret=%d", |
5c563278 PP |
493 | ret); |
494 | goto error; | |
495 | } | |
496 | ||
c14831f0 PP |
497 | ret = bt_object_pool_initialize(&graph->packet_begin_msg_pool, |
498 | (bt_object_pool_new_object_func) bt_message_packet_beginning_new, | |
499 | (bt_object_pool_destroy_object_func) destroy_message_packet_begin, | |
5c563278 PP |
500 | graph); |
501 | if (ret) { | |
c14831f0 | 502 | BT_LOGE("Failed to initialize packet beginning message pool: ret=%d", |
5c563278 PP |
503 | ret); |
504 | goto error; | |
505 | } | |
506 | ||
c14831f0 PP |
507 | ret = bt_object_pool_initialize(&graph->packet_end_msg_pool, |
508 | (bt_object_pool_new_object_func) bt_message_packet_end_new, | |
509 | (bt_object_pool_destroy_object_func) destroy_message_packet_end, | |
5c563278 PP |
510 | graph); |
511 | if (ret) { | |
c14831f0 | 512 | BT_LOGE("Failed to initialize packet end message pool: ret=%d", |
5c563278 PP |
513 | ret); |
514 | goto error; | |
515 | } | |
516 | ||
c14831f0 PP |
517 | graph->messages = g_ptr_array_new_with_free_func( |
518 | (GDestroyNotify) notify_message_graph_is_destroyed); | |
d27a81b2 | 519 | BT_LIB_LOGD("Created graph object: %!+g", graph); |
262e5473 | 520 | |
c0418dd9 | 521 | end: |
80a256b6 | 522 | return (void *) graph; |
d27a81b2 | 523 | |
c0418dd9 | 524 | error: |
e2317362 | 525 | BT_OBJECT_PUT_REF_AND_RESET(graph); |
c0418dd9 JG |
526 | goto end; |
527 | } | |
528 | ||
96ffdc46 PP |
529 | enum bt_graph_status bt_graph_connect_ports( |
530 | struct bt_graph *graph, | |
531 | const struct bt_port_output *upstream_port_out, | |
532 | const struct bt_port_input *downstream_port_in, | |
533 | const struct bt_connection **user_connection) | |
f60c8b34 | 534 | { |
a256a42d | 535 | enum bt_graph_status status = BT_GRAPH_STATUS_OK; |
f60c8b34 | 536 | struct bt_connection *connection = NULL; |
d27a81b2 PP |
537 | struct bt_port *upstream_port = (void *) upstream_port_out; |
538 | struct bt_port *downstream_port = (void *) downstream_port_in; | |
f60c8b34 JG |
539 | struct bt_component *upstream_component = NULL; |
540 | struct bt_component *downstream_component = NULL; | |
d27a81b2 PP |
541 | enum bt_self_component_status component_status; |
542 | bool init_can_consume; | |
f60c8b34 | 543 | |
d27a81b2 PP |
544 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
545 | BT_ASSERT_PRE_NON_NULL(upstream_port, "Upstream port"); | |
546 | BT_ASSERT_PRE_NON_NULL(downstream_port, "Downstream port port"); | |
547 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
548 | BT_ASSERT_PRE(!bt_port_is_connected(upstream_port), | |
549 | "Upstream port is already connected: %!+p", upstream_port); | |
550 | BT_ASSERT_PRE(!bt_port_is_connected(downstream_port), | |
551 | "Downstream port is already connected: %!+p", downstream_port); | |
96ffdc46 | 552 | BT_ASSERT_PRE(bt_port_borrow_component_inline((void *) upstream_port), |
d27a81b2 PP |
553 | "Upstream port does not belong to a component: %!+p", |
554 | upstream_port); | |
96ffdc46 | 555 | BT_ASSERT_PRE(bt_port_borrow_component_inline((void *) downstream_port), |
d27a81b2 PP |
556 | "Downstream port does not belong to a component: %!+p", |
557 | downstream_port); | |
4aa7981f | 558 | init_can_consume = graph->can_consume; |
d27a81b2 PP |
559 | BT_LIB_LOGD("Connecting component ports within graph: " |
560 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", | |
561 | graph, upstream_port, downstream_port); | |
562 | bt_graph_set_can_consume(graph, false); | |
96ffdc46 | 563 | upstream_component = bt_port_borrow_component_inline( |
d27a81b2 | 564 | (void *) upstream_port); |
96ffdc46 | 565 | downstream_component = bt_port_borrow_component_inline( |
d27a81b2 | 566 | (void *) downstream_port); |
262e5473 | 567 | |
0d8b4d8e PP |
568 | /* |
569 | * At this point the ports are not connected yet. Both | |
570 | * components need to accept an eventual connection to their | |
571 | * port by the other port before we continue. | |
572 | */ | |
d27a81b2 PP |
573 | BT_LIB_LOGD("Asking upstream component to accept the connection: " |
574 | "%![comp-]+c", upstream_component); | |
0d8b4d8e | 575 | component_status = bt_component_accept_port_connection( |
d27a81b2 PP |
576 | upstream_component, (void *) upstream_port, |
577 | (void *) downstream_port); | |
578 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
579 | if (component_status == BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION) { | |
262e5473 PP |
580 | BT_LOGD_STR("Upstream component refused the connection."); |
581 | } else { | |
582 | BT_LOGW("Cannot ask upstream component to accept the connection: " | |
d27a81b2 | 583 | "status=%s", bt_self_component_status_string(component_status)); |
262e5473 PP |
584 | } |
585 | ||
d27a81b2 | 586 | status = (int) component_status; |
a256a42d | 587 | goto end; |
0d8b4d8e | 588 | } |
262e5473 | 589 | |
d27a81b2 PP |
590 | BT_LIB_LOGD("Asking downstream component to accept the connection: " |
591 | "%![comp-]+c", downstream_component); | |
0d8b4d8e | 592 | component_status = bt_component_accept_port_connection( |
d27a81b2 PP |
593 | downstream_component, (void *) downstream_port, |
594 | (void *) upstream_port); | |
595 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
596 | if (component_status == BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION) { | |
262e5473 PP |
597 | BT_LOGD_STR("Downstream component refused the connection."); |
598 | } else { | |
599 | BT_LOGW("Cannot ask downstream component to accept the connection: " | |
d27a81b2 | 600 | "status=%s", bt_self_component_status_string(component_status)); |
262e5473 PP |
601 | } |
602 | ||
d27a81b2 | 603 | status = (int) component_status; |
a256a42d | 604 | goto end; |
0d8b4d8e PP |
605 | } |
606 | ||
262e5473 | 607 | BT_LOGD_STR("Creating connection."); |
d27a81b2 PP |
608 | connection = bt_connection_create(graph, (void *) upstream_port, |
609 | (void *) downstream_port); | |
f60c8b34 | 610 | if (!connection) { |
262e5473 | 611 | BT_LOGW("Cannot create connection object."); |
a256a42d PP |
612 | status = BT_GRAPH_STATUS_NOMEM; |
613 | goto end; | |
f60c8b34 JG |
614 | } |
615 | ||
d27a81b2 | 616 | BT_LIB_LOGD("Connection object created: %!+x", connection); |
262e5473 | 617 | |
f60c8b34 | 618 | /* |
72b913fb PP |
619 | * Ownership of upstream_component/downstream_component and of |
620 | * the connection object is transferred to the graph. | |
f60c8b34 JG |
621 | */ |
622 | g_ptr_array_add(graph->connections, connection); | |
ffeb0eed | 623 | |
f60c8b34 | 624 | /* |
0d8b4d8e | 625 | * Notify both components that their port is connected. |
f60c8b34 | 626 | */ |
d27a81b2 PP |
627 | BT_LIB_LOGD("Notifying upstream component that its port is connected: " |
628 | "%![comp-]+c, %![port-]+p", upstream_component, upstream_port); | |
bf55043c | 629 | component_status = bt_component_port_connected(upstream_component, |
d27a81b2 PP |
630 | (void *) upstream_port, (void *) downstream_port); |
631 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
632 | BT_LIB_LOGW("Error while notifying upstream component that its port is connected: " | |
633 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
634 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
635 | bt_self_component_status_string(component_status), | |
636 | graph, upstream_component, downstream_component, | |
637 | upstream_port, downstream_port); | |
bf55043c | 638 | bt_connection_end(connection, true); |
d27a81b2 | 639 | status = (int) component_status; |
bf55043c PP |
640 | goto end; |
641 | } | |
642 | ||
7ff11425 | 643 | connection->notified_upstream_port_connected = true; |
d27a81b2 PP |
644 | BT_LIB_LOGD("Notifying downstream component that its port is connected: " |
645 | "%![comp-]+c, %![port-]+p", downstream_component, | |
646 | downstream_port); | |
bf55043c | 647 | component_status = bt_component_port_connected(downstream_component, |
d27a81b2 PP |
648 | (void *) downstream_port, (void *) upstream_port); |
649 | if (component_status != BT_SELF_COMPONENT_STATUS_OK) { | |
650 | BT_LIB_LOGW("Error while notifying downstream component that its port is connected: " | |
651 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
652 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
653 | bt_self_component_status_string(component_status), | |
654 | graph, upstream_component, downstream_component, | |
655 | upstream_port, downstream_port); | |
bf55043c | 656 | bt_connection_end(connection, true); |
d27a81b2 | 657 | status = (int) component_status; |
bf55043c PP |
658 | goto end; |
659 | } | |
660 | ||
7ff11425 | 661 | connection->notified_downstream_port_connected = true; |
1bf957a0 PP |
662 | |
663 | /* | |
0d8b4d8e | 664 | * Notify the graph's creator that both ports are connected. |
1bf957a0 | 665 | */ |
262e5473 | 666 | BT_LOGD_STR("Notifying graph's user that new component ports are connected."); |
f345f8bb | 667 | bt_graph_notify_ports_connected(graph, upstream_port, downstream_port); |
7ff11425 | 668 | connection->notified_graph_ports_connected = true; |
d27a81b2 PP |
669 | BT_LIB_LOGD("Connected component ports within graph: " |
670 | "%![graph-]+g, %![up-comp-]+c, %![down-comp-]+c, " | |
671 | "%![up-port-]+p, %![down-port-]+p", | |
672 | graph, upstream_component, downstream_component, | |
673 | upstream_port, downstream_port); | |
1bf957a0 | 674 | |
a256a42d | 675 | if (user_connection) { |
1a6a376a PP |
676 | /* Move reference to user */ |
677 | *user_connection = connection; | |
678 | connection = NULL; | |
a256a42d PP |
679 | } |
680 | ||
f60c8b34 | 681 | end: |
e2317362 | 682 | bt_object_put_ref(connection); |
d27a81b2 PP |
683 | (void) init_can_consume; |
684 | bt_graph_set_can_consume(graph, init_can_consume); | |
a256a42d | 685 | return status; |
f60c8b34 JG |
686 | } |
687 | ||
ad847455 | 688 | static inline |
d27a81b2 | 689 | enum bt_graph_status consume_graph_sink(struct bt_component_sink *comp) |
c0418dd9 | 690 | { |
d27a81b2 PP |
691 | enum bt_self_component_status comp_status; |
692 | struct bt_component_class_sink *sink_class = NULL; | |
693 | ||
694 | BT_ASSERT(comp); | |
695 | sink_class = (void *) comp->parent.class; | |
696 | BT_ASSERT(sink_class->methods.consume); | |
697 | BT_LIB_LOGD("Calling user's consume method: %!+c", comp); | |
698 | comp_status = sink_class->methods.consume((void *) comp); | |
699 | BT_LOGD("User method returned: status=%s", | |
700 | bt_self_component_status_string(comp_status)); | |
701 | BT_ASSERT_PRE(comp_status == BT_SELF_COMPONENT_STATUS_OK || | |
702 | comp_status == BT_SELF_COMPONENT_STATUS_END || | |
703 | comp_status == BT_SELF_COMPONENT_STATUS_AGAIN || | |
704 | comp_status == BT_SELF_COMPONENT_STATUS_ERROR || | |
705 | comp_status == BT_SELF_COMPONENT_STATUS_NOMEM, | |
706 | "Invalid component status returned by consuming method: " | |
707 | "status=%s", bt_self_component_status_string(comp_status)); | |
708 | if (comp_status < 0) { | |
709 | BT_LOGW_STR("Consume method failed."); | |
710 | goto end; | |
711 | } | |
712 | ||
713 | BT_LIB_LOGV("Consumed from sink: %![comp-]+c, status=%s", | |
714 | comp, bt_self_component_status_string(comp_status)); | |
715 | ||
716 | end: | |
717 | return (int) comp_status; | |
8ed535b5 PP |
718 | } |
719 | ||
720 | /* | |
721 | * `node` is removed from the queue of sinks to consume when passed to | |
722 | * this function. This function adds it back to the queue if there's | |
723 | * still something to consume afterwards. | |
724 | */ | |
ad847455 | 725 | static inline |
d27a81b2 | 726 | enum bt_graph_status consume_sink_node(struct bt_graph *graph, GList *node) |
8ed535b5 PP |
727 | { |
728 | enum bt_graph_status status; | |
d27a81b2 | 729 | struct bt_component_sink *sink; |
8ed535b5 PP |
730 | |
731 | sink = node->data; | |
732 | status = consume_graph_sink(sink); | |
ad847455 | 733 | if (unlikely(status != BT_GRAPH_STATUS_END)) { |
8ed535b5 | 734 | g_queue_push_tail_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
735 | goto end; |
736 | } | |
737 | ||
738 | /* End reached, the node is not added back to the queue and free'd. */ | |
8ed535b5 | 739 | g_queue_delete_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
740 | |
741 | /* Don't forward an END status if there are sinks left to consume. */ | |
742 | if (!g_queue_is_empty(graph->sinks_to_consume)) { | |
743 | status = BT_GRAPH_STATUS_OK; | |
744 | goto end; | |
745 | } | |
8ed535b5 PP |
746 | |
747 | end: | |
d27a81b2 PP |
748 | BT_LIB_LOGV("Consumed sink node: %![comp-]+c, status=%s", |
749 | sink, bt_graph_status_string(status)); | |
8ed535b5 PP |
750 | return status; |
751 | } | |
752 | ||
753 | BT_HIDDEN | |
754 | enum bt_graph_status bt_graph_consume_sink_no_check(struct bt_graph *graph, | |
d27a81b2 | 755 | struct bt_component_sink *sink) |
8ed535b5 PP |
756 | { |
757 | enum bt_graph_status status; | |
758 | GList *sink_node; | |
759 | int index; | |
760 | ||
d27a81b2 PP |
761 | BT_LIB_LOGV("Making specific sink consume: %![comp-]+c", sink); |
762 | BT_ASSERT(bt_component_borrow_graph((void *) sink) == graph); | |
8ed535b5 PP |
763 | |
764 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
765 | BT_LOGV_STR("Graph's sink queue is empty: end of graph."); | |
766 | status = BT_GRAPH_STATUS_END; | |
767 | goto end; | |
768 | } | |
769 | ||
770 | index = g_queue_index(graph->sinks_to_consume, sink); | |
771 | if (index < 0) { | |
772 | BT_LOGV_STR("Sink is not marked as consumable: sink is ended."); | |
773 | status = BT_GRAPH_STATUS_END; | |
774 | goto end; | |
775 | } | |
776 | ||
777 | sink_node = g_queue_pop_nth_link(graph->sinks_to_consume, index); | |
f6ccaed9 | 778 | BT_ASSERT(sink_node); |
8ed535b5 PP |
779 | status = consume_sink_node(graph, sink_node); |
780 | ||
781 | end: | |
782 | return status; | |
783 | } | |
784 | ||
ad847455 | 785 | static inline |
d27a81b2 | 786 | enum bt_graph_status consume_no_check(struct bt_graph *graph) |
8ed535b5 PP |
787 | { |
788 | enum bt_graph_status status = BT_GRAPH_STATUS_OK; | |
789 | struct bt_component *sink; | |
790 | GList *current_node; | |
791 | ||
f6ccaed9 PP |
792 | BT_ASSERT_PRE(graph->has_sink, |
793 | "Graph has no sink component: %!+g", graph); | |
d27a81b2 | 794 | BT_LIB_LOGV("Making next sink consume: %![graph-]+g", graph); |
8ed535b5 | 795 | |
ad847455 | 796 | if (unlikely(g_queue_is_empty(graph->sinks_to_consume))) { |
8ed535b5 PP |
797 | BT_LOGV_STR("Graph's sink queue is empty: end of graph."); |
798 | status = BT_GRAPH_STATUS_END; | |
799 | goto end; | |
800 | } | |
801 | ||
802 | current_node = g_queue_pop_head_link(graph->sinks_to_consume); | |
803 | sink = current_node->data; | |
d27a81b2 | 804 | BT_LIB_LOGV("Chose next sink to consume: %!+c", sink); |
8ed535b5 PP |
805 | status = consume_sink_node(graph, current_node); |
806 | ||
f60c8b34 JG |
807 | end: |
808 | return status; | |
c0418dd9 JG |
809 | } |
810 | ||
96ffdc46 PP |
811 | enum bt_graph_status bt_graph_consume( |
812 | struct bt_graph *graph) | |
851b70bd | 813 | { |
f6ccaed9 | 814 | enum bt_graph_status status; |
1d915789 | 815 | |
f6ccaed9 PP |
816 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
817 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
818 | BT_ASSERT_PRE(graph->can_consume, | |
819 | "Cannot consume graph in its current state: %!+g", graph); | |
ad847455 | 820 | bt_graph_set_can_consume(graph, BT_FALSE); |
d27a81b2 | 821 | status = consume_no_check(graph); |
ad847455 | 822 | bt_graph_set_can_consume(graph, BT_TRUE); |
26a15756 | 823 | return status; |
851b70bd PP |
824 | } |
825 | ||
96ffdc46 | 826 | enum bt_graph_status bt_graph_run(struct bt_graph *graph) |
f60c8b34 | 827 | { |
72b913fb | 828 | enum bt_graph_status status = BT_GRAPH_STATUS_OK; |
f60c8b34 | 829 | |
d27a81b2 PP |
830 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
831 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
ad847455 PP |
832 | BT_ASSERT_PRE(graph->can_consume, |
833 | "Cannot consume graph in its current state: %!+g", graph); | |
834 | bt_graph_set_can_consume(graph, BT_FALSE); | |
d27a81b2 | 835 | BT_LIB_LOGV("Running graph: %!+g", graph); |
262e5473 | 836 | |
f60c8b34 | 837 | do { |
851b70bd PP |
838 | /* |
839 | * Check if the graph is canceled at each iteration. If | |
840 | * the graph was canceled by another thread or by a | |
d27a81b2 PP |
841 | * signal handler, this is not a warning nor an error, |
842 | * it was intentional: log with a DEBUG level only. | |
851b70bd | 843 | */ |
ad847455 | 844 | if (unlikely(graph->canceled)) { |
d27a81b2 PP |
845 | BT_LIB_LOGD("Stopping the graph: graph is canceled: " |
846 | "%!+g", graph); | |
851b70bd PP |
847 | status = BT_GRAPH_STATUS_CANCELED; |
848 | goto end; | |
849 | } | |
850 | ||
d27a81b2 | 851 | status = consume_no_check(graph); |
ad847455 | 852 | if (unlikely(status == BT_GRAPH_STATUS_AGAIN)) { |
f60c8b34 | 853 | /* |
202a3a13 PP |
854 | * If AGAIN is received and there are multiple |
855 | * sinks, go ahead and consume from the next | |
856 | * sink. | |
f60c8b34 | 857 | * |
202a3a13 PP |
858 | * However, in the case where a single sink is |
859 | * left, the caller can decide to busy-wait and | |
96ffdc46 | 860 | * call bt_graph_run() continuously |
d27a81b2 PP |
861 | * until the source is ready or it can decide to |
862 | * sleep for an arbitrary amount of time. | |
f60c8b34 JG |
863 | */ |
864 | if (graph->sinks_to_consume->length > 1) { | |
72b913fb | 865 | status = BT_GRAPH_STATUS_OK; |
f60c8b34 | 866 | } |
2de524b3 PP |
867 | } else if (status == BT_GRAPH_STATUS_NO_SINK) { |
868 | goto end; | |
f60c8b34 | 869 | } |
72b913fb | 870 | } while (status == BT_GRAPH_STATUS_OK); |
f60c8b34 JG |
871 | |
872 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
72b913fb | 873 | status = BT_GRAPH_STATUS_END; |
f60c8b34 | 874 | } |
262e5473 | 875 | |
202a3a13 | 876 | end: |
d27a81b2 PP |
877 | BT_LIB_LOGV("Graph ran: %![graph-]+g, status=%s", graph, |
878 | bt_graph_status_string(status)); | |
879 | bt_graph_set_can_consume(graph, BT_TRUE); | |
72b913fb | 880 | return status; |
f60c8b34 | 881 | } |
1bf957a0 | 882 | |
d27a81b2 | 883 | enum bt_graph_status |
96ffdc46 PP |
884 | bt_graph_add_source_component_output_port_added_listener( |
885 | struct bt_graph *graph, | |
886 | bt_graph_source_component_output_port_added_listener_func func, | |
887 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 | 888 | int *out_listener_id) |
1bf957a0 | 889 | { |
d27a81b2 PP |
890 | struct bt_graph_listener_port_added listener = { |
891 | .base = { | |
892 | .removed = listener_removed, | |
893 | .data = data, | |
894 | }, | |
895 | .func = (port_added_func_t) func, | |
1bf957a0 | 896 | }; |
d27a81b2 | 897 | int listener_id; |
1bf957a0 | 898 | |
d27a81b2 PP |
899 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
900 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
901 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
902 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
903 | "Graph currently executing a \"listener removed\" listener: " | |
904 | "%!+g", graph); | |
905 | g_array_append_val(graph->listeners.source_output_port_added, listener); | |
906 | listener_id = graph->listeners.source_output_port_added->len - 1; | |
907 | BT_LIB_LOGV("Added \"source component output port added\" listener to graph: " | |
908 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
909 | listener_id); | |
910 | ||
911 | if (listener_id) { | |
912 | *out_listener_id = listener_id; | |
913 | } | |
914 | ||
915 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
916 | } |
917 | ||
d27a81b2 | 918 | enum bt_graph_status |
96ffdc46 PP |
919 | bt_graph_add_filter_component_output_port_added_listener( |
920 | struct bt_graph *graph, | |
921 | bt_graph_filter_component_output_port_added_listener_func func, | |
922 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 | 923 | int *out_listener_id) |
1bf957a0 | 924 | { |
d27a81b2 PP |
925 | struct bt_graph_listener_port_added listener = { |
926 | .base = { | |
927 | .removed = listener_removed, | |
928 | .data = data, | |
929 | }, | |
930 | .func = (port_added_func_t) func, | |
931 | }; | |
932 | int listener_id; | |
1bf957a0 | 933 | |
d27a81b2 PP |
934 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
935 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
936 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
937 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
938 | "Graph currently executing a \"listener removed\" listener: " | |
939 | "%!+g", graph); | |
940 | g_array_append_val(graph->listeners.filter_output_port_added, listener); | |
941 | listener_id = graph->listeners.filter_output_port_added->len - 1; | |
942 | BT_LIB_LOGV("Added \"filter component output port added\" listener to graph: " | |
943 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
944 | listener_id); | |
945 | ||
946 | if (listener_id) { | |
947 | *out_listener_id = listener_id; | |
948 | } | |
949 | ||
950 | return BT_GRAPH_STATUS_OK; | |
951 | } | |
262e5473 | 952 | |
d27a81b2 | 953 | enum bt_graph_status |
96ffdc46 PP |
954 | bt_graph_add_filter_component_input_port_added_listener( |
955 | struct bt_graph *graph, | |
956 | bt_graph_filter_component_input_port_added_listener_func func, | |
957 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
958 | int *out_listener_id) |
959 | { | |
d27a81b2 PP |
960 | struct bt_graph_listener_port_added listener = { |
961 | .base = { | |
962 | .removed = listener_removed, | |
963 | .data = data, | |
964 | }, | |
965 | .func = (port_added_func_t) func, | |
966 | }; | |
967 | int listener_id; | |
8cc092c9 | 968 | |
d27a81b2 PP |
969 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
970 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
971 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
972 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
973 | "Graph currently executing a \"listener removed\" listener: " | |
974 | "%!+g", graph); | |
975 | g_array_append_val(graph->listeners.filter_input_port_added, listener); | |
976 | listener_id = graph->listeners.filter_input_port_added->len - 1; | |
977 | BT_LIB_LOGV("Added \"filter component input port added\" listener to graph: " | |
978 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
979 | listener_id); | |
980 | ||
981 | if (listener_id) { | |
982 | *out_listener_id = listener_id; | |
983 | } | |
984 | ||
985 | return BT_GRAPH_STATUS_OK; | |
986 | } | |
1bf957a0 | 987 | |
d27a81b2 | 988 | enum bt_graph_status |
96ffdc46 PP |
989 | bt_graph_add_sink_component_input_port_added_listener( |
990 | struct bt_graph *graph, | |
991 | bt_graph_sink_component_input_port_added_listener_func func, | |
992 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
993 | int *out_listener_id) |
994 | { | |
d27a81b2 PP |
995 | struct bt_graph_listener_port_added listener = { |
996 | .base = { | |
997 | .removed = listener_removed, | |
998 | .data = data, | |
999 | }, | |
1000 | .func = (port_added_func_t) func, | |
1001 | }; | |
1002 | int listener_id; | |
1bf957a0 | 1003 | |
d27a81b2 PP |
1004 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1005 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1006 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1007 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1008 | "Graph currently executing a \"listener removed\" listener: " | |
1009 | "%!+g", graph); | |
1010 | g_array_append_val(graph->listeners.sink_input_port_added, listener); | |
1011 | listener_id = graph->listeners.sink_input_port_added->len - 1; | |
1012 | BT_LIB_LOGV("Added \"sink component input port added\" listener to graph: " | |
1013 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1014 | listener_id); | |
1015 | ||
1016 | if (listener_id) { | |
1017 | *out_listener_id = listener_id; | |
1018 | } | |
1019 | ||
1020 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1021 | } |
1022 | ||
d27a81b2 | 1023 | enum bt_graph_status |
96ffdc46 PP |
1024 | bt_graph_add_source_component_output_port_removed_listener( |
1025 | struct bt_graph *graph, | |
1026 | bt_graph_source_component_output_port_removed_listener_func func, | |
1027 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 | 1028 | int *out_listener_id) |
1bf957a0 | 1029 | { |
d27a81b2 PP |
1030 | struct bt_graph_listener_port_removed listener = { |
1031 | .base = { | |
1032 | .removed = listener_removed, | |
1033 | .data = data, | |
1034 | }, | |
1035 | .func = (port_removed_func_t) func, | |
1036 | }; | |
1037 | int listener_id; | |
1bf957a0 | 1038 | |
d27a81b2 PP |
1039 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1040 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1041 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1042 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1043 | "Graph currently executing a \"listener removed\" listener: " | |
1044 | "%!+g", graph); | |
1045 | g_array_append_val(graph->listeners.source_output_port_removed, listener); | |
1046 | listener_id = graph->listeners.source_output_port_removed->len - 1; | |
1047 | BT_LIB_LOGV("Added \"source component output port removed\" listener to graph: " | |
1048 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1049 | listener_id); | |
1050 | ||
1051 | if (listener_id) { | |
1052 | *out_listener_id = listener_id; | |
1053 | } | |
1054 | ||
1055 | return BT_GRAPH_STATUS_OK; | |
1056 | } | |
262e5473 | 1057 | |
d27a81b2 | 1058 | enum bt_graph_status |
96ffdc46 PP |
1059 | bt_graph_add_filter_component_output_port_removed_listener( |
1060 | struct bt_graph *graph, | |
1061 | bt_graph_filter_component_output_port_removed_listener_func func, | |
1062 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1063 | int *out_listener_id) |
1064 | { | |
d27a81b2 PP |
1065 | struct bt_graph_listener_port_removed listener = { |
1066 | .base = { | |
1067 | .removed = listener_removed, | |
1068 | .data = data, | |
1069 | }, | |
1070 | .func = (port_removed_func_t) func, | |
1071 | }; | |
1072 | int listener_id; | |
8cc092c9 | 1073 | |
d27a81b2 PP |
1074 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1075 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1076 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1077 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1078 | "Graph currently executing a \"listener removed\" listener: " | |
1079 | "%!+g", graph); | |
1080 | g_array_append_val(graph->listeners.filter_output_port_removed, listener); | |
1081 | listener_id = graph->listeners.filter_output_port_removed->len - 1; | |
1082 | BT_LIB_LOGV("Added \"filter component output port removed\" listener to graph: " | |
1083 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1084 | listener_id); | |
1085 | ||
1086 | if (listener_id) { | |
1087 | *out_listener_id = listener_id; | |
1088 | } | |
1089 | ||
1090 | return BT_GRAPH_STATUS_OK; | |
1091 | } | |
1bf957a0 | 1092 | |
d27a81b2 | 1093 | enum bt_graph_status |
96ffdc46 PP |
1094 | bt_graph_add_filter_component_input_port_removed_listener( |
1095 | struct bt_graph *graph, | |
1096 | bt_graph_filter_component_input_port_removed_listener_func func, | |
1097 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1098 | int *out_listener_id) |
1099 | { | |
d27a81b2 PP |
1100 | struct bt_graph_listener_port_removed listener = { |
1101 | .base = { | |
1102 | .removed = listener_removed, | |
1103 | .data = data, | |
1104 | }, | |
1105 | .func = (port_removed_func_t) func, | |
1106 | }; | |
1107 | int listener_id; | |
1bf957a0 | 1108 | |
d27a81b2 PP |
1109 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1110 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1111 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1112 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1113 | "Graph currently executing a \"listener removed\" listener: " | |
1114 | "%!+g", graph); | |
1115 | g_array_append_val(graph->listeners.filter_input_port_removed, listener); | |
1116 | listener_id = graph->listeners.filter_input_port_removed->len - 1; | |
1117 | BT_LIB_LOGV("Added \"filter component input port removed\" listener to graph: " | |
1118 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1119 | listener_id); | |
1120 | ||
1121 | if (listener_id) { | |
1122 | *out_listener_id = listener_id; | |
1123 | } | |
1124 | ||
1125 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1126 | } |
1127 | ||
d27a81b2 | 1128 | enum bt_graph_status |
96ffdc46 PP |
1129 | bt_graph_add_sink_component_input_port_removed_listener( |
1130 | struct bt_graph *graph, | |
1131 | bt_graph_sink_component_input_port_removed_listener_func func, | |
1132 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 | 1133 | int *out_listener_id) |
1bf957a0 | 1134 | { |
d27a81b2 PP |
1135 | struct bt_graph_listener_port_removed listener = { |
1136 | .base = { | |
1137 | .removed = listener_removed, | |
1138 | .data = data, | |
1139 | }, | |
1140 | .func = (port_removed_func_t) func, | |
1141 | }; | |
1142 | int listener_id; | |
1bf957a0 | 1143 | |
d27a81b2 PP |
1144 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1145 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1146 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1147 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1148 | "Graph currently executing a \"listener removed\" listener: " | |
1149 | "%!+g", graph); | |
1150 | g_array_append_val(graph->listeners.sink_input_port_removed, listener); | |
1151 | listener_id = graph->listeners.sink_input_port_removed->len - 1; | |
1152 | BT_LIB_LOGV("Added \"sink component input port removed\" listener to graph: " | |
1153 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1154 | listener_id); | |
1155 | ||
1156 | if (listener_id) { | |
1157 | *out_listener_id = listener_id; | |
1158 | } | |
1159 | ||
1160 | return BT_GRAPH_STATUS_OK; | |
1161 | } | |
262e5473 | 1162 | |
d27a81b2 | 1163 | enum bt_graph_status |
96ffdc46 PP |
1164 | bt_graph_add_source_filter_component_ports_connected_listener( |
1165 | struct bt_graph *graph, | |
1166 | bt_graph_source_filter_component_ports_connected_listener_func func, | |
1167 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1168 | int *out_listener_id) |
1169 | { | |
d27a81b2 PP |
1170 | struct bt_graph_listener_ports_connected listener = { |
1171 | .base = { | |
1172 | .removed = listener_removed, | |
1173 | .data = data, | |
1174 | }, | |
1175 | .func = (ports_connected_func_t) func, | |
1176 | }; | |
1177 | int listener_id; | |
8cc092c9 | 1178 | |
d27a81b2 PP |
1179 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1180 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1181 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1182 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1183 | "Graph currently executing a \"listener removed\" listener: " | |
1184 | "%!+g", graph); | |
1185 | g_array_append_val(graph->listeners.source_filter_ports_connected, | |
1186 | listener); | |
1187 | listener_id = graph->listeners.source_filter_ports_connected->len - 1; | |
1188 | BT_LIB_LOGV("Added \"source to filter component ports connected\" listener to graph: " | |
1189 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1190 | listener_id); | |
1191 | ||
1192 | if (listener_id) { | |
1193 | *out_listener_id = listener_id; | |
1194 | } | |
1195 | ||
1196 | return BT_GRAPH_STATUS_OK; | |
1197 | } | |
1bf957a0 | 1198 | |
d27a81b2 | 1199 | enum bt_graph_status |
96ffdc46 PP |
1200 | bt_graph_add_source_sink_component_ports_connected_listener( |
1201 | struct bt_graph *graph, | |
1202 | bt_graph_source_sink_component_ports_connected_listener_func func, | |
1203 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1204 | int *out_listener_id) |
1205 | { | |
d27a81b2 PP |
1206 | struct bt_graph_listener_ports_connected listener = { |
1207 | .base = { | |
1208 | .removed = listener_removed, | |
1209 | .data = data, | |
1210 | }, | |
1211 | .func = (ports_connected_func_t) func, | |
1212 | }; | |
1213 | int listener_id; | |
1bf957a0 | 1214 | |
d27a81b2 PP |
1215 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1216 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1217 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1218 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1219 | "Graph currently executing a \"listener removed\" listener: " | |
1220 | "%!+g", graph); | |
1221 | g_array_append_val(graph->listeners.source_sink_ports_connected, | |
1222 | listener); | |
1223 | listener_id = graph->listeners.source_sink_ports_connected->len - 1; | |
1224 | BT_LIB_LOGV("Added \"source to sink component ports connected\" listener to graph: " | |
1225 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1226 | listener_id); | |
1227 | ||
1228 | if (listener_id) { | |
1229 | *out_listener_id = listener_id; | |
1230 | } | |
1231 | ||
1232 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1233 | } |
1234 | ||
c107eee1 PP |
1235 | enum bt_graph_status |
1236 | bt_graph_add_filter_filter_component_ports_connected_listener( | |
1237 | struct bt_graph *graph, | |
1238 | bt_graph_filter_filter_component_ports_connected_listener_func func, | |
1239 | bt_graph_listener_removed_func listener_removed, void *data, | |
1240 | int *out_listener_id) | |
1241 | { | |
1242 | struct bt_graph_listener_ports_connected listener = { | |
1243 | .base = { | |
1244 | .removed = listener_removed, | |
1245 | .data = data, | |
1246 | }, | |
1247 | .func = (ports_connected_func_t) func, | |
1248 | }; | |
1249 | int listener_id; | |
1250 | ||
1251 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1252 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1253 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1254 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1255 | "Graph currently executing a \"listener removed\" listener: " | |
1256 | "%!+g", graph); | |
1257 | g_array_append_val(graph->listeners.filter_filter_ports_connected, | |
1258 | listener); | |
1259 | listener_id = graph->listeners.filter_filter_ports_connected->len - 1; | |
1260 | BT_LIB_LOGV("Added \"filter to filter component ports connected\" listener to graph: " | |
1261 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1262 | listener_id); | |
1263 | ||
1264 | if (listener_id) { | |
1265 | *out_listener_id = listener_id; | |
1266 | } | |
1267 | ||
1268 | return BT_GRAPH_STATUS_OK; | |
1269 | } | |
1270 | ||
d27a81b2 | 1271 | enum bt_graph_status |
96ffdc46 PP |
1272 | bt_graph_add_filter_sink_component_ports_connected_listener( |
1273 | struct bt_graph *graph, | |
1274 | bt_graph_filter_sink_component_ports_connected_listener_func func, | |
1275 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 | 1276 | int *out_listener_id) |
1bf957a0 | 1277 | { |
d27a81b2 PP |
1278 | struct bt_graph_listener_ports_connected listener = { |
1279 | .base = { | |
1280 | .removed = listener_removed, | |
1281 | .data = data, | |
1282 | }, | |
1283 | .func = (ports_connected_func_t) func, | |
1284 | }; | |
1285 | int listener_id; | |
1bf957a0 | 1286 | |
d27a81b2 PP |
1287 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1288 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1289 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1290 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1291 | "Graph currently executing a \"listener removed\" listener: " | |
1292 | "%!+g", graph); | |
1293 | g_array_append_val(graph->listeners.filter_sink_ports_connected, | |
1294 | listener); | |
1295 | listener_id = graph->listeners.filter_sink_ports_connected->len - 1; | |
1296 | BT_LIB_LOGV("Added \"filter to sink component ports connected\" listener to graph: " | |
1297 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1298 | listener_id); | |
1299 | ||
1300 | if (listener_id) { | |
1301 | *out_listener_id = listener_id; | |
1302 | } | |
1303 | ||
1304 | return BT_GRAPH_STATUS_OK; | |
1305 | } | |
262e5473 | 1306 | |
d27a81b2 | 1307 | enum bt_graph_status |
96ffdc46 PP |
1308 | bt_graph_add_source_filter_component_ports_disconnected_listener( |
1309 | struct bt_graph *graph, | |
1310 | bt_graph_source_filter_component_ports_disconnected_listener_func func, | |
1311 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1312 | int *out_listener_id) |
1313 | { | |
d27a81b2 PP |
1314 | struct bt_graph_listener_ports_disconnected listener = { |
1315 | .base = { | |
1316 | .removed = listener_removed, | |
1317 | .data = data, | |
1318 | }, | |
1319 | .func = (ports_disconnected_func_t) func, | |
1320 | }; | |
1321 | int listener_id; | |
8cc092c9 | 1322 | |
d27a81b2 PP |
1323 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1324 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1325 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1326 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1327 | "Graph currently executing a \"listener removed\" listener: " | |
1328 | "%!+g", graph); | |
1329 | g_array_append_val(graph->listeners.source_filter_ports_disconnected, | |
1330 | listener); | |
1331 | listener_id = graph->listeners.source_filter_ports_disconnected->len - 1; | |
1332 | BT_LIB_LOGV("Added \"source to filter component ports disconnected\" listener to graph: " | |
1333 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1334 | listener_id); | |
1335 | ||
1336 | if (listener_id) { | |
1337 | *out_listener_id = listener_id; | |
1338 | } | |
1339 | ||
1340 | return BT_GRAPH_STATUS_OK; | |
1341 | } | |
1bf957a0 | 1342 | |
d27a81b2 | 1343 | enum bt_graph_status |
96ffdc46 PP |
1344 | bt_graph_add_source_sink_component_ports_disconnected_listener( |
1345 | struct bt_graph *graph, | |
1346 | bt_graph_source_sink_component_ports_disconnected_listener_func func, | |
1347 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1348 | int *out_listener_id) |
1349 | { | |
d27a81b2 PP |
1350 | struct bt_graph_listener_ports_disconnected listener = { |
1351 | .base = { | |
1352 | .removed = listener_removed, | |
1353 | .data = data, | |
1354 | }, | |
1355 | .func = (ports_disconnected_func_t) func, | |
1356 | }; | |
1357 | int listener_id; | |
1bf957a0 | 1358 | |
d27a81b2 PP |
1359 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1360 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1361 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1362 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1363 | "Graph currently executing a \"listener removed\" listener: " | |
1364 | "%!+g", graph); | |
1365 | g_array_append_val(graph->listeners.source_sink_ports_disconnected, | |
1366 | listener); | |
1367 | listener_id = graph->listeners.source_sink_ports_disconnected->len - 1; | |
1368 | BT_LIB_LOGV("Added \"source to sink component ports disconnected\" listener to graph: " | |
1369 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1370 | listener_id); | |
1371 | ||
1372 | if (listener_id) { | |
1373 | *out_listener_id = listener_id; | |
1374 | } | |
1375 | ||
1376 | return BT_GRAPH_STATUS_OK; | |
1377 | } | |
1378 | ||
c107eee1 PP |
1379 | enum bt_graph_status |
1380 | bt_graph_add_filter_filter_component_ports_disconnected_listener( | |
1381 | struct bt_graph *graph, | |
1382 | bt_graph_filter_filter_component_ports_disconnected_listener_func func, | |
1383 | bt_graph_listener_removed_func listener_removed, void *data, | |
1384 | int *out_listener_id) | |
1385 | { | |
1386 | struct bt_graph_listener_ports_disconnected listener = { | |
1387 | .base = { | |
1388 | .removed = listener_removed, | |
1389 | .data = data, | |
1390 | }, | |
1391 | .func = (ports_disconnected_func_t) func, | |
1392 | }; | |
1393 | int listener_id; | |
1394 | ||
1395 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1396 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1397 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1398 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1399 | "Graph currently executing a \"listener removed\" listener: " | |
1400 | "%!+g", graph); | |
1401 | g_array_append_val(graph->listeners.filter_filter_ports_disconnected, | |
1402 | listener); | |
1403 | listener_id = graph->listeners.filter_filter_ports_disconnected->len - 1; | |
1404 | BT_LIB_LOGV("Added \"filter to filter component ports disconnected\" listener to graph: " | |
1405 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1406 | listener_id); | |
1407 | ||
1408 | if (listener_id) { | |
1409 | *out_listener_id = listener_id; | |
1410 | } | |
1411 | ||
1412 | return BT_GRAPH_STATUS_OK; | |
1413 | } | |
1414 | ||
d27a81b2 | 1415 | enum bt_graph_status |
96ffdc46 PP |
1416 | bt_graph_add_filter_sink_component_ports_disconnected_listener( |
1417 | struct bt_graph *graph, | |
1418 | bt_graph_filter_sink_component_ports_disconnected_listener_func func, | |
1419 | bt_graph_listener_removed_func listener_removed, void *data, | |
d27a81b2 PP |
1420 | int *out_listener_id) |
1421 | { | |
d27a81b2 PP |
1422 | struct bt_graph_listener_ports_disconnected listener = { |
1423 | .base = { | |
1424 | .removed = listener_removed, | |
1425 | .data = data, | |
1426 | }, | |
1427 | .func = (ports_disconnected_func_t) func, | |
1428 | }; | |
1429 | int listener_id; | |
1430 | ||
1431 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1432 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1433 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1434 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1435 | "Graph currently executing a \"listener removed\" listener: " | |
1436 | "%!+g", graph); | |
1437 | g_array_append_val(graph->listeners.filter_sink_ports_disconnected, | |
1438 | listener); | |
1439 | listener_id = graph->listeners.filter_sink_ports_disconnected->len - 1; | |
1440 | BT_LIB_LOGV("Added \"filter to sink component ports disconnected\" listener to graph: " | |
1441 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, | |
1442 | listener_id); | |
1443 | ||
1444 | if (listener_id) { | |
1445 | *out_listener_id = listener_id; | |
1446 | } | |
1447 | ||
1448 | return BT_GRAPH_STATUS_OK; | |
1bf957a0 PP |
1449 | } |
1450 | ||
1451 | BT_HIDDEN | |
1452 | void bt_graph_notify_port_added(struct bt_graph *graph, struct bt_port *port) | |
1453 | { | |
d27a81b2 PP |
1454 | uint64_t i; |
1455 | GArray *listeners; | |
1456 | struct bt_component *comp; | |
1bf957a0 | 1457 | |
d27a81b2 PP |
1458 | BT_ASSERT(graph); |
1459 | BT_ASSERT(port); | |
1460 | BT_LIB_LOGV("Notifying graph listeners that a port was added: " | |
1461 | "%![graph-]+g, %![port-]+p", graph, port); | |
96ffdc46 | 1462 | comp = bt_port_borrow_component_inline(port); |
d27a81b2 PP |
1463 | BT_ASSERT(comp); |
1464 | ||
1465 | switch (comp->class->type) { | |
1466 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1467 | { | |
1468 | switch (port->type) { | |
1469 | case BT_PORT_TYPE_OUTPUT: | |
1470 | listeners = graph->listeners.source_output_port_added; | |
1471 | break; | |
1472 | default: | |
1473 | abort(); | |
1474 | } | |
1475 | ||
1476 | break; | |
1477 | } | |
1478 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1479 | { | |
1480 | switch (port->type) { | |
1481 | case BT_PORT_TYPE_INPUT: | |
1482 | listeners = graph->listeners.filter_input_port_added; | |
1483 | break; | |
1484 | case BT_PORT_TYPE_OUTPUT: | |
1485 | listeners = graph->listeners.filter_output_port_added; | |
1486 | break; | |
1487 | default: | |
1488 | abort(); | |
1489 | } | |
262e5473 | 1490 | |
d27a81b2 PP |
1491 | break; |
1492 | } | |
1493 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1494 | { | |
1495 | switch (port->type) { | |
1496 | case BT_PORT_TYPE_INPUT: | |
1497 | listeners = graph->listeners.sink_input_port_added; | |
1498 | break; | |
1499 | default: | |
1500 | abort(); | |
1501 | } | |
1bf957a0 | 1502 | |
d27a81b2 PP |
1503 | break; |
1504 | } | |
1505 | default: | |
1506 | abort(); | |
1507 | } | |
1508 | ||
1509 | for (i = 0; i < listeners->len; i++) { | |
1510 | struct bt_graph_listener_port_added *listener = | |
1511 | &g_array_index(listeners, | |
1512 | struct bt_graph_listener_port_added, i); | |
1513 | ||
1514 | BT_ASSERT(listener->func); | |
1515 | listener->func(comp, port, listener->base.data); | |
1bf957a0 PP |
1516 | } |
1517 | } | |
1518 | ||
1519 | BT_HIDDEN | |
1520 | void bt_graph_notify_port_removed(struct bt_graph *graph, | |
1521 | struct bt_component *comp, struct bt_port *port) | |
1522 | { | |
d27a81b2 PP |
1523 | uint64_t i; |
1524 | GArray *listeners; | |
1525 | ||
1526 | BT_ASSERT(graph); | |
1527 | BT_ASSERT(port); | |
1528 | BT_LIB_LOGV("Notifying graph listeners that a port was removed: " | |
1529 | "%![graph-]+g, %![comp-]+c, %![port-]+p", graph, comp, port); | |
1530 | ||
1531 | switch (comp->class->type) { | |
1532 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1533 | { | |
1534 | switch (port->type) { | |
1535 | case BT_PORT_TYPE_OUTPUT: | |
1536 | listeners = graph->listeners.source_output_port_removed; | |
1537 | break; | |
1538 | default: | |
1539 | abort(); | |
1540 | } | |
1541 | ||
1542 | break; | |
1543 | } | |
1544 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1545 | { | |
1546 | switch (port->type) { | |
1547 | case BT_PORT_TYPE_INPUT: | |
1548 | listeners = graph->listeners.filter_input_port_removed; | |
1549 | break; | |
1550 | case BT_PORT_TYPE_OUTPUT: | |
1551 | listeners = graph->listeners.filter_output_port_removed; | |
1552 | break; | |
1553 | default: | |
1554 | abort(); | |
1555 | } | |
1556 | ||
1557 | break; | |
1558 | } | |
1559 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1560 | { | |
1561 | switch (port->type) { | |
1562 | case BT_PORT_TYPE_INPUT: | |
1563 | listeners = graph->listeners.sink_input_port_removed; | |
1564 | break; | |
1565 | default: | |
1566 | abort(); | |
1567 | } | |
1bf957a0 | 1568 | |
d27a81b2 PP |
1569 | break; |
1570 | } | |
1571 | default: | |
1572 | abort(); | |
1573 | } | |
262e5473 | 1574 | |
d27a81b2 PP |
1575 | for (i = 0; i < listeners->len; i++) { |
1576 | struct bt_graph_listener_port_removed *listener = | |
1577 | &g_array_index(listeners, | |
1578 | struct bt_graph_listener_port_removed, i); | |
1bf957a0 | 1579 | |
d27a81b2 PP |
1580 | BT_ASSERT(listener->func); |
1581 | listener->func(comp, port, listener->base.data); | |
1bf957a0 PP |
1582 | } |
1583 | } | |
1584 | ||
1585 | BT_HIDDEN | |
f345f8bb PP |
1586 | void bt_graph_notify_ports_connected(struct bt_graph *graph, |
1587 | struct bt_port *upstream_port, struct bt_port *downstream_port) | |
1bf957a0 | 1588 | { |
d27a81b2 PP |
1589 | uint64_t i; |
1590 | GArray *listeners; | |
1591 | struct bt_component *upstream_comp; | |
1592 | struct bt_component *downstream_comp; | |
1bf957a0 | 1593 | |
d27a81b2 PP |
1594 | BT_ASSERT(graph); |
1595 | BT_ASSERT(upstream_port); | |
1596 | BT_ASSERT(downstream_port); | |
1597 | BT_LIB_LOGV("Notifying graph listeners that ports were connected: " | |
1598 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", | |
1599 | graph, upstream_port, downstream_port); | |
96ffdc46 | 1600 | upstream_comp = bt_port_borrow_component_inline(upstream_port); |
d27a81b2 | 1601 | BT_ASSERT(upstream_comp); |
96ffdc46 | 1602 | downstream_comp = bt_port_borrow_component_inline(downstream_port); |
d27a81b2 PP |
1603 | BT_ASSERT(downstream_comp); |
1604 | ||
1605 | switch (upstream_comp->class->type) { | |
1606 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1607 | { | |
1608 | switch (downstream_comp->class->type) { | |
1609 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1610 | listeners = | |
1611 | graph->listeners.source_filter_ports_connected; | |
1612 | break; | |
1613 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1614 | listeners = | |
1615 | graph->listeners.source_sink_ports_connected; | |
1616 | break; | |
1617 | default: | |
1618 | abort(); | |
1619 | } | |
262e5473 | 1620 | |
d27a81b2 PP |
1621 | break; |
1622 | } | |
1623 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1624 | { | |
1625 | switch (downstream_comp->class->type) { | |
c107eee1 PP |
1626 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
1627 | listeners = | |
1628 | graph->listeners.filter_filter_ports_connected; | |
1629 | break; | |
d27a81b2 PP |
1630 | case BT_COMPONENT_CLASS_TYPE_SINK: |
1631 | listeners = | |
1632 | graph->listeners.filter_sink_ports_connected; | |
1633 | break; | |
1634 | default: | |
1635 | abort(); | |
1636 | } | |
1bf957a0 | 1637 | |
d27a81b2 PP |
1638 | break; |
1639 | } | |
1640 | default: | |
1641 | abort(); | |
1642 | } | |
1643 | ||
1644 | for (i = 0; i < listeners->len; i++) { | |
1645 | struct bt_graph_listener_ports_connected *listener = | |
1646 | &g_array_index(listeners, | |
1647 | struct bt_graph_listener_ports_connected, i); | |
1648 | ||
1649 | BT_ASSERT(listener->func); | |
1650 | listener->func(upstream_comp, downstream_comp, | |
1651 | upstream_port, downstream_port, listener->base.data); | |
1bf957a0 PP |
1652 | } |
1653 | } | |
1654 | ||
1655 | BT_HIDDEN | |
f345f8bb PP |
1656 | void bt_graph_notify_ports_disconnected(struct bt_graph *graph, |
1657 | struct bt_component *upstream_comp, | |
1658 | struct bt_component *downstream_comp, | |
d27a81b2 PP |
1659 | struct bt_port *upstream_port, |
1660 | struct bt_port *downstream_port) | |
1bf957a0 | 1661 | { |
d27a81b2 PP |
1662 | uint64_t i; |
1663 | GArray *listeners; | |
1664 | ||
1665 | BT_ASSERT(graph); | |
1666 | BT_ASSERT(upstream_comp); | |
1667 | BT_ASSERT(downstream_comp); | |
1668 | BT_ASSERT(upstream_port); | |
1669 | BT_ASSERT(downstream_port); | |
1670 | BT_LIB_LOGV("Notifying graph listeners that ports were disconnected: " | |
1671 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p, " | |
1672 | "%![up-comp-]+c, %![down-comp-]+c", | |
1673 | graph, upstream_port, downstream_port, upstream_comp, | |
1674 | downstream_comp); | |
1675 | ||
1676 | switch (upstream_comp->class->type) { | |
1677 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1678 | { | |
1679 | switch (downstream_comp->class->type) { | |
1680 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1681 | listeners = | |
1682 | graph->listeners.source_filter_ports_disconnected; | |
1683 | break; | |
1684 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1685 | listeners = | |
1686 | graph->listeners.source_sink_ports_disconnected; | |
1687 | break; | |
1688 | default: | |
1689 | abort(); | |
1690 | } | |
1bf957a0 | 1691 | |
d27a81b2 PP |
1692 | break; |
1693 | } | |
1694 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1695 | { | |
1696 | switch (downstream_comp->class->type) { | |
c107eee1 PP |
1697 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
1698 | listeners = | |
1699 | graph->listeners.filter_filter_ports_disconnected; | |
1700 | break; | |
d27a81b2 PP |
1701 | case BT_COMPONENT_CLASS_TYPE_SINK: |
1702 | listeners = | |
1703 | graph->listeners.filter_sink_ports_disconnected; | |
1704 | break; | |
1705 | default: | |
1706 | abort(); | |
1707 | } | |
1708 | ||
1709 | break; | |
1710 | } | |
1711 | default: | |
1712 | abort(); | |
1713 | } | |
262e5473 | 1714 | |
d27a81b2 PP |
1715 | for (i = 0; i < listeners->len; i++) { |
1716 | struct bt_graph_listener_ports_disconnected *listener = | |
1717 | &g_array_index(listeners, | |
1718 | struct bt_graph_listener_ports_disconnected, i); | |
1bf957a0 | 1719 | |
d27a81b2 PP |
1720 | BT_ASSERT(listener->func); |
1721 | listener->func(upstream_comp, downstream_comp, | |
1722 | upstream_port, downstream_port, listener->base.data); | |
1bf957a0 PP |
1723 | } |
1724 | } | |
202a3a13 | 1725 | |
96ffdc46 PP |
1726 | enum bt_graph_status bt_graph_cancel( |
1727 | struct bt_graph *graph) | |
202a3a13 | 1728 | { |
202a3a13 | 1729 | |
d27a81b2 PP |
1730 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1731 | graph->canceled = true; | |
1732 | BT_LIB_LOGV("Canceled graph: %!+i", graph); | |
1733 | return BT_GRAPH_STATUS_OK; | |
202a3a13 PP |
1734 | } |
1735 | ||
96ffdc46 | 1736 | bt_bool bt_graph_is_canceled(const struct bt_graph *graph) |
202a3a13 | 1737 | { |
d27a81b2 PP |
1738 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1739 | return graph->canceled ? BT_TRUE : BT_FALSE; | |
202a3a13 | 1740 | } |
f167d3c0 PP |
1741 | |
1742 | BT_HIDDEN | |
1743 | void bt_graph_remove_connection(struct bt_graph *graph, | |
1744 | struct bt_connection *connection) | |
1745 | { | |
f6ccaed9 PP |
1746 | BT_ASSERT(graph); |
1747 | BT_ASSERT(connection); | |
d27a81b2 | 1748 | BT_LIB_LOGV("Removing graph's connection: %![graph-]+g, %![conn-]+x", |
262e5473 | 1749 | graph, connection); |
f167d3c0 PP |
1750 | g_ptr_array_remove(graph->connections, connection); |
1751 | } | |
36712f1d | 1752 | |
d27a81b2 PP |
1753 | BT_ASSERT_PRE_FUNC |
1754 | static inline | |
1755 | bool component_name_exists(struct bt_graph *graph, const char *name) | |
1756 | { | |
1757 | bool exists = false; | |
1758 | uint64_t i; | |
1759 | ||
1760 | for (i = 0; i < graph->components->len; i++) { | |
1761 | struct bt_component *other_comp = graph->components->pdata[i]; | |
1762 | ||
1763 | if (strcmp(name, bt_component_get_name(other_comp)) == 0) { | |
1764 | BT_ASSERT_PRE_MSG("Another component with the same name already exists in the graph: " | |
1765 | "%![other-comp-]+c, name=\"%s\"", | |
1766 | other_comp, name); | |
1767 | exists = true; | |
1768 | goto end; | |
1769 | } | |
1770 | } | |
1771 | ||
1772 | end: | |
1773 | return exists; | |
1774 | } | |
1775 | ||
1776 | static | |
1777 | enum bt_graph_status add_component_with_init_method_data( | |
96ffdc46 | 1778 | struct bt_graph *graph, |
d27a81b2 PP |
1779 | struct bt_component_class *comp_cls, |
1780 | comp_init_method_t init_method, | |
82fa4539 | 1781 | const char *name, const struct bt_value *params, |
d27a81b2 | 1782 | void *init_method_data, struct bt_component **user_component) |
36712f1d PP |
1783 | { |
1784 | enum bt_graph_status graph_status = BT_GRAPH_STATUS_OK; | |
d27a81b2 | 1785 | enum bt_self_component_status comp_status; |
36712f1d | 1786 | struct bt_component *component = NULL; |
d27a81b2 PP |
1787 | int ret; |
1788 | bool init_can_consume; | |
82fa4539 | 1789 | struct bt_value *new_params = NULL; |
36712f1d | 1790 | |
d27a81b2 PP |
1791 | BT_ASSERT(comp_cls); |
1792 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1793 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
1794 | BT_ASSERT_PRE(!graph->canceled, "Graph is canceled: %!+g", graph); | |
1795 | BT_ASSERT_PRE(!component_name_exists(graph, name), | |
1796 | "Duplicate component name: %!+g, name=\"%s\"", graph, name); | |
1797 | BT_ASSERT_PRE(!params || bt_value_is_map(params), | |
1798 | "Parameter value is not a map value: %!+v", params); | |
4aa7981f | 1799 | init_can_consume = graph->can_consume; |
d27a81b2 PP |
1800 | bt_graph_set_can_consume(graph, false); |
1801 | BT_LIB_LOGD("Adding component to graph: " | |
1802 | "%![graph-]+g, %![cc-]+C, name=\"%s\", %![params-]+v, " | |
36712f1d | 1803 | "init-method-data-addr=%p", |
d27a81b2 | 1804 | graph, comp_cls, name, params, init_method_data); |
36712f1d | 1805 | |
d27a81b2 | 1806 | if (!params) { |
82fa4539 PP |
1807 | new_params = bt_value_map_create(); |
1808 | if (!new_params) { | |
36712f1d PP |
1809 | BT_LOGE_STR("Cannot create map value object."); |
1810 | graph_status = BT_GRAPH_STATUS_NOMEM; | |
1811 | goto end; | |
1812 | } | |
82fa4539 PP |
1813 | |
1814 | params = new_params; | |
36712f1d PP |
1815 | } |
1816 | ||
d27a81b2 PP |
1817 | ret = bt_component_create(comp_cls, name, &component); |
1818 | if (ret) { | |
1819 | BT_LOGE("Cannot create empty component object: ret=%d", | |
1820 | ret); | |
1821 | graph_status = BT_GRAPH_STATUS_NOMEM; | |
36712f1d PP |
1822 | goto end; |
1823 | } | |
1824 | ||
1825 | /* | |
1826 | * The user's initialization method needs to see that this | |
1827 | * component is part of the graph. If the user method fails, we | |
1828 | * immediately remove the component from the graph's components. | |
1829 | */ | |
1830 | g_ptr_array_add(graph->components, component); | |
1831 | bt_component_set_graph(component, graph); | |
1832 | ||
d27a81b2 | 1833 | if (init_method) { |
36712f1d | 1834 | BT_LOGD_STR("Calling user's initialization method."); |
d27a81b2 | 1835 | comp_status = init_method(component, params, init_method_data); |
36712f1d | 1836 | BT_LOGD("User method returned: status=%s", |
d27a81b2 PP |
1837 | bt_self_component_status_string(comp_status)); |
1838 | if (comp_status != BT_SELF_COMPONENT_STATUS_OK) { | |
36712f1d | 1839 | BT_LOGW_STR("Initialization method failed."); |
d27a81b2 | 1840 | graph_status = (int) comp_status; |
36712f1d PP |
1841 | bt_component_set_graph(component, NULL); |
1842 | g_ptr_array_remove_fast(graph->components, component); | |
1843 | goto end; | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * Mark the component as initialized so that its finalization | |
1849 | * method is called when it is destroyed. | |
1850 | */ | |
1851 | component->initialized = true; | |
1852 | ||
1853 | /* | |
1854 | * If it's a sink component, it needs to be part of the graph's | |
1855 | * sink queue to be consumed by bt_graph_consume(). | |
1856 | */ | |
1857 | if (bt_component_is_sink(component)) { | |
d27a81b2 | 1858 | graph->has_sink = true; |
36712f1d PP |
1859 | g_queue_push_tail(graph->sinks_to_consume, component); |
1860 | } | |
1861 | ||
1862 | /* | |
1863 | * Freeze the component class now that it's instantiated at | |
1864 | * least once. | |
1865 | */ | |
1866 | BT_LOGD_STR("Freezing component class."); | |
d27a81b2 PP |
1867 | bt_component_class_freeze(comp_cls); |
1868 | BT_LIB_LOGD("Added component to graph: " | |
1869 | "%![graph-]+g, %![cc-]+C, name=\"%s\", %![params-]+v, " | |
1870 | "init-method-data-addr=%p, %![comp-]+c", | |
1871 | graph, comp_cls, name, params, init_method_data, component); | |
36712f1d PP |
1872 | |
1873 | if (user_component) { | |
1874 | /* Move reference to user */ | |
1875 | *user_component = component; | |
1876 | component = NULL; | |
1877 | } | |
1878 | ||
1879 | end: | |
e2317362 | 1880 | bt_object_put_ref(component); |
82fa4539 | 1881 | bt_object_put_ref(new_params); |
d27a81b2 PP |
1882 | (void) init_can_consume; |
1883 | bt_graph_set_can_consume(graph, init_can_consume); | |
36712f1d PP |
1884 | return graph_status; |
1885 | } | |
1886 | ||
d27a81b2 | 1887 | enum bt_graph_status |
96ffdc46 PP |
1888 | bt_graph_add_source_component_with_init_method_data( |
1889 | struct bt_graph *graph, | |
1890 | const struct bt_component_class_source *comp_cls, | |
82fa4539 | 1891 | const char *name, const struct bt_value *params, |
96ffdc46 PP |
1892 | void *init_method_data, |
1893 | const struct bt_component_source **component) | |
d27a81b2 PP |
1894 | { |
1895 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); | |
1896 | return add_component_with_init_method_data(graph, | |
1897 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1898 | name, params, init_method_data, (void *) component); | |
1899 | } | |
1900 | ||
96ffdc46 PP |
1901 | enum bt_graph_status bt_graph_add_source_component( |
1902 | struct bt_graph *graph, | |
1903 | const struct bt_component_class_source *comp_cls, | |
82fa4539 | 1904 | const char *name, const struct bt_value *params, |
96ffdc46 | 1905 | const struct bt_component_source **component) |
d27a81b2 | 1906 | { |
96ffdc46 | 1907 | return bt_graph_add_source_component_with_init_method_data( |
d27a81b2 PP |
1908 | graph, comp_cls, name, params, NULL, component); |
1909 | } | |
1910 | ||
1911 | enum bt_graph_status | |
96ffdc46 PP |
1912 | bt_graph_add_filter_component_with_init_method_data( |
1913 | struct bt_graph *graph, | |
1914 | const struct bt_component_class_filter *comp_cls, | |
82fa4539 | 1915 | const char *name, const struct bt_value *params, |
96ffdc46 PP |
1916 | void *init_method_data, |
1917 | const struct bt_component_filter **component) | |
d27a81b2 PP |
1918 | { |
1919 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); | |
1920 | return add_component_with_init_method_data(graph, | |
1921 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1922 | name, params, init_method_data, (void *) component); | |
1923 | } | |
1924 | ||
96ffdc46 PP |
1925 | enum bt_graph_status bt_graph_add_filter_component( |
1926 | struct bt_graph *graph, | |
1927 | const struct bt_component_class_filter *comp_cls, | |
82fa4539 | 1928 | const char *name, const struct bt_value *params, |
96ffdc46 | 1929 | const struct bt_component_filter **component) |
d27a81b2 | 1930 | { |
96ffdc46 | 1931 | return bt_graph_add_filter_component_with_init_method_data( |
d27a81b2 PP |
1932 | graph, comp_cls, name, params, NULL, component); |
1933 | } | |
1934 | ||
1935 | enum bt_graph_status | |
96ffdc46 PP |
1936 | bt_graph_add_sink_component_with_init_method_data( |
1937 | struct bt_graph *graph, | |
1938 | const struct bt_component_class_sink *comp_cls, | |
82fa4539 | 1939 | const char *name, const struct bt_value *params, |
96ffdc46 PP |
1940 | void *init_method_data, |
1941 | const struct bt_component_sink **component) | |
36712f1d | 1942 | { |
d27a81b2 PP |
1943 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); |
1944 | return add_component_with_init_method_data(graph, | |
1945 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1946 | name, params, init_method_data, (void *) component); | |
1947 | } | |
1948 | ||
96ffdc46 PP |
1949 | enum bt_graph_status bt_graph_add_sink_component( |
1950 | struct bt_graph *graph, | |
1951 | const struct bt_component_class_sink *comp_cls, | |
82fa4539 | 1952 | const char *name, const struct bt_value *params, |
96ffdc46 | 1953 | const struct bt_component_sink **component) |
d27a81b2 | 1954 | { |
96ffdc46 | 1955 | return bt_graph_add_sink_component_with_init_method_data( |
d27a81b2 | 1956 | graph, comp_cls, name, params, NULL, component); |
36712f1d | 1957 | } |
8ed535b5 PP |
1958 | |
1959 | BT_HIDDEN | |
1960 | int bt_graph_remove_unconnected_component(struct bt_graph *graph, | |
1961 | struct bt_component *component) | |
1962 | { | |
d27a81b2 PP |
1963 | bool init_can_consume; |
1964 | uint64_t count; | |
8ed535b5 PP |
1965 | uint64_t i; |
1966 | int ret = 0; | |
1967 | ||
f6ccaed9 PP |
1968 | BT_ASSERT(graph); |
1969 | BT_ASSERT(component); | |
3fea54f6 | 1970 | BT_ASSERT(component->base.ref_count == 0); |
f6ccaed9 | 1971 | BT_ASSERT(bt_component_borrow_graph(component) == graph); |
8ed535b5 | 1972 | |
4aa7981f | 1973 | init_can_consume = graph->can_consume; |
8ed535b5 PP |
1974 | count = bt_component_get_input_port_count(component); |
1975 | ||
1976 | for (i = 0; i < count; i++) { | |
d27a81b2 PP |
1977 | struct bt_port *port = (void *) |
1978 | bt_component_borrow_input_port_by_index(component, i); | |
8ed535b5 | 1979 | |
f6ccaed9 | 1980 | BT_ASSERT(port); |
8ed535b5 PP |
1981 | |
1982 | if (bt_port_is_connected(port)) { | |
d27a81b2 | 1983 | BT_LIB_LOGW("Cannot remove component from graph: " |
8ed535b5 | 1984 | "an input port is connected: " |
d27a81b2 PP |
1985 | "%![graph-]+g, %![comp-]+c, %![port-]+p", |
1986 | graph, component, port); | |
8ed535b5 PP |
1987 | goto error; |
1988 | } | |
1989 | } | |
1990 | ||
1991 | count = bt_component_get_output_port_count(component); | |
1992 | ||
1993 | for (i = 0; i < count; i++) { | |
d27a81b2 PP |
1994 | struct bt_port *port = (void *) |
1995 | bt_component_borrow_output_port_by_index(component, i); | |
8ed535b5 | 1996 | |
f6ccaed9 | 1997 | BT_ASSERT(port); |
8ed535b5 PP |
1998 | |
1999 | if (bt_port_is_connected(port)) { | |
d27a81b2 | 2000 | BT_LIB_LOGW("Cannot remove component from graph: " |
8ed535b5 | 2001 | "an output port is connected: " |
d27a81b2 PP |
2002 | "%![graph-]+g, %![comp-]+c, %![port-]+p", |
2003 | graph, component, port); | |
8ed535b5 PP |
2004 | goto error; |
2005 | } | |
2006 | } | |
2007 | ||
d27a81b2 | 2008 | bt_graph_set_can_consume(graph, false); |
8ed535b5 PP |
2009 | |
2010 | /* Possibly remove from sinks to consume */ | |
2011 | (void) g_queue_remove(graph->sinks_to_consume, component); | |
2012 | ||
2013 | if (graph->sinks_to_consume->length == 0) { | |
d27a81b2 | 2014 | graph->has_sink = false; |
8ed535b5 PP |
2015 | } |
2016 | ||
2017 | /* | |
3fea54f6 PP |
2018 | * This calls bt_object_try_spec_release() on the component, and |
2019 | * since its reference count is 0, its destructor is called. Its | |
8ed535b5 PP |
2020 | * destructor calls the user's finalization method (if set). |
2021 | */ | |
2022 | g_ptr_array_remove(graph->components, component); | |
2023 | goto end; | |
2024 | ||
2025 | error: | |
2026 | ret = -1; | |
2027 | ||
2028 | end: | |
d27a81b2 PP |
2029 | (void) init_can_consume; |
2030 | bt_graph_set_can_consume(graph, init_can_consume); | |
8ed535b5 PP |
2031 | return ret; |
2032 | } | |
5c563278 PP |
2033 | |
2034 | BT_HIDDEN | |
c14831f0 PP |
2035 | void bt_graph_add_message(struct bt_graph *graph, |
2036 | struct bt_message *msg) | |
5c563278 PP |
2037 | { |
2038 | BT_ASSERT(graph); | |
c14831f0 | 2039 | BT_ASSERT(msg); |
5c563278 PP |
2040 | |
2041 | /* | |
2042 | * It's okay not to take a reference because, when a | |
c14831f0 | 2043 | * message's reference count drops to 0, either: |
5c563278 PP |
2044 | * |
2045 | * * It is recycled back to one of this graph's pool. | |
2046 | * * It is destroyed because it doesn't have any link to any | |
2047 | * graph, which means the original graph is already destroyed. | |
2048 | */ | |
c14831f0 | 2049 | g_ptr_array_add(graph->messages, msg); |
5c563278 | 2050 | } |
317e35ec PP |
2051 | |
2052 | void bt_graph_get_ref(const struct bt_graph *graph) | |
2053 | { | |
2054 | bt_object_get_ref(graph); | |
2055 | } | |
2056 | ||
2057 | void bt_graph_put_ref(const struct bt_graph *graph) | |
2058 | { | |
2059 | bt_object_put_ref(graph); | |
2060 | } |