Commit | Line | Data |
---|---|---|
c0418dd9 | 1 | /* |
e2f7325d | 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 | ||
350ad6c1 | 24 | #define BT_LOG_TAG "LIB/GRAPH" |
c2d9d9cf | 25 | #include "lib/logging.h" |
262e5473 | 26 | |
578e048b MJ |
27 | #include "common/assert.h" |
28 | #include "lib/assert-pre.h" | |
f6f301d7 | 29 | #include "lib/assert-post.h" |
3fadfbc0 MJ |
30 | #include <babeltrace2/graph/graph.h> |
31 | #include <babeltrace2/graph/graph-const.h> | |
3fadfbc0 MJ |
32 | #include <babeltrace2/graph/component-source-const.h> |
33 | #include <babeltrace2/graph/component-filter-const.h> | |
34 | #include <babeltrace2/graph/port-const.h> | |
578e048b MJ |
35 | #include "lib/graph/message/message.h" |
36 | #include "compat/compiler.h" | |
37 | #include "common/common.h" | |
3fadfbc0 MJ |
38 | #include <babeltrace2/types.h> |
39 | #include <babeltrace2/value.h> | |
40 | #include <babeltrace2/value-const.h> | |
578e048b | 41 | #include "lib/value.h" |
f60c8b34 | 42 | #include <unistd.h> |
1bf957a0 PP |
43 | #include <glib.h> |
44 | ||
578e048b MJ |
45 | #include "component.h" |
46 | #include "component-sink.h" | |
47 | #include "connection.h" | |
48 | #include "graph.h" | |
9b4f9b42 | 49 | #include "interrupter.h" |
578e048b MJ |
50 | #include "message/event.h" |
51 | #include "message/packet.h" | |
52 | ||
d24d5663 PP |
53 | typedef enum bt_graph_listener_func_status |
54 | (*port_added_func_t)(const void *, const void *, void *); | |
0d72b8c3 | 55 | |
d24d5663 PP |
56 | typedef enum bt_graph_listener_func_status |
57 | (*ports_connected_func_t)(const void *, const void *, const void *, | |
0d72b8c3 | 58 | const void *, void *); |
d94d92ac | 59 | |
d24d5663 PP |
60 | typedef enum bt_component_class_init_method_status |
61 | (*comp_init_method_t)(const void *, const void *, void *); | |
62 | ||
1bf957a0 | 63 | struct bt_graph_listener { |
0d72b8c3 | 64 | bt_graph_listener_removed_func removed; |
1bf957a0 PP |
65 | void *data; |
66 | }; | |
c0418dd9 | 67 | |
d94d92ac PP |
68 | struct bt_graph_listener_port_added { |
69 | struct bt_graph_listener base; | |
70 | port_added_func_t func; | |
71 | }; | |
8cc092c9 | 72 | |
d94d92ac PP |
73 | struct bt_graph_listener_ports_connected { |
74 | struct bt_graph_listener base; | |
75 | ports_connected_func_t func; | |
76 | }; | |
8cc092c9 | 77 | |
d94d92ac PP |
78 | #define INIT_LISTENERS_ARRAY(_type, _listeners) \ |
79 | do { \ | |
80 | _listeners = g_array_new(FALSE, TRUE, sizeof(_type)); \ | |
81 | if (!(_listeners)) { \ | |
870631a2 PP |
82 | BT_LIB_LOGE_APPEND_CAUSE( \ |
83 | "Failed to allocate one GArray."); \ | |
d94d92ac PP |
84 | } \ |
85 | } while (0) | |
86 | ||
87 | #define CALL_REMOVE_LISTENERS(_type, _listeners) \ | |
88 | do { \ | |
89 | size_t i; \ | |
90 | \ | |
9fde7203 FD |
91 | if (!_listeners) { \ |
92 | break; \ | |
93 | } \ | |
d94d92ac PP |
94 | for (i = 0; i < (_listeners)->len; i++) { \ |
95 | _type *listener = \ | |
96 | &g_array_index((_listeners), _type, i); \ | |
97 | \ | |
98 | if (listener->base.removed) { \ | |
99 | listener->base.removed(listener->base.data); \ | |
100 | } \ | |
101 | } \ | |
102 | } while (0) | |
8cc092c9 | 103 | |
f60c8b34 | 104 | static |
d94d92ac | 105 | void destroy_graph(struct bt_object *obj) |
c0418dd9 | 106 | { |
0d72b8c3 | 107 | struct bt_graph *graph = container_of(obj, 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. | |
d0fea130 PP |
115 | * 2. This connection's destructor finalizes its active message |
116 | * iterators. | |
117 | * 3. A message iterator's finalization function gets a new | |
118 | * reference on its component (reference count goes from 0 to | |
119 | * 1). | |
bd14d768 PP |
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. | |
d6e69534 | 123 | * 5. The message iterator's finalization function puts its |
bd14d768 PP |
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. | |
d0fea130 PP |
128 | * 7. Since this graph's reference count goes from 1 to 0, its |
129 | * destructor is called (this function). | |
bd14d768 PP |
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 | */ | |
3f7d4d90 | 135 | BT_LIB_LOGI("Destroying graph: %!+g", graph); |
3fea54f6 | 136 | obj->ref_count++; |
9b4f9b42 | 137 | graph->config_state = BT_GRAPH_CONFIGURATION_STATE_DESTROYING; |
49682acd | 138 | |
8cc092c9 | 139 | /* Call all remove listeners */ |
d94d92ac PP |
140 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, |
141 | graph->listeners.source_output_port_added); | |
142 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
143 | graph->listeners.filter_output_port_added); | |
144 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
145 | graph->listeners.filter_input_port_added); | |
146 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_port_added, | |
147 | graph->listeners.sink_input_port_added); | |
d94d92ac PP |
148 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, |
149 | graph->listeners.source_filter_ports_connected); | |
9c0a126a PP |
150 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, |
151 | graph->listeners.filter_filter_ports_connected); | |
d94d92ac PP |
152 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, |
153 | graph->listeners.source_sink_ports_connected); | |
154 | CALL_REMOVE_LISTENERS(struct bt_graph_listener_ports_connected, | |
155 | graph->listeners.filter_sink_ports_connected); | |
8cc092c9 | 156 | |
d6e69534 PP |
157 | if (graph->messages) { |
158 | g_ptr_array_free(graph->messages, TRUE); | |
159 | graph->messages = NULL; | |
5c563278 PP |
160 | } |
161 | ||
c0418dd9 | 162 | if (graph->connections) { |
262e5473 | 163 | BT_LOGD_STR("Destroying connections."); |
c0418dd9 | 164 | g_ptr_array_free(graph->connections, TRUE); |
d94d92ac | 165 | graph->connections = NULL; |
c0418dd9 | 166 | } |
5c563278 | 167 | |
bd14d768 | 168 | if (graph->components) { |
262e5473 | 169 | BT_LOGD_STR("Destroying components."); |
bd14d768 | 170 | g_ptr_array_free(graph->components, TRUE); |
d94d92ac | 171 | graph->components = NULL; |
bd14d768 | 172 | } |
5c563278 | 173 | |
9b4f9b42 PP |
174 | if (graph->interrupters) { |
175 | BT_LOGD_STR("Putting interrupters."); | |
176 | g_ptr_array_free(graph->interrupters, TRUE); | |
177 | graph->interrupters = NULL; | |
178 | } | |
179 | ||
180 | BT_OBJECT_PUT_REF_AND_RESET(graph->default_interrupter); | |
181 | ||
f60c8b34 JG |
182 | if (graph->sinks_to_consume) { |
183 | g_queue_free(graph->sinks_to_consume); | |
d94d92ac PP |
184 | graph->sinks_to_consume = NULL; |
185 | } | |
186 | ||
187 | if (graph->listeners.source_output_port_added) { | |
188 | g_array_free(graph->listeners.source_output_port_added, TRUE); | |
189 | graph->listeners.source_output_port_added = NULL; | |
190 | } | |
191 | ||
192 | if (graph->listeners.filter_output_port_added) { | |
193 | g_array_free(graph->listeners.filter_output_port_added, TRUE); | |
194 | graph->listeners.filter_output_port_added = NULL; | |
195 | } | |
196 | ||
197 | if (graph->listeners.filter_input_port_added) { | |
198 | g_array_free(graph->listeners.filter_input_port_added, TRUE); | |
199 | graph->listeners.filter_input_port_added = NULL; | |
c0418dd9 | 200 | } |
1bf957a0 | 201 | |
d94d92ac PP |
202 | if (graph->listeners.sink_input_port_added) { |
203 | g_array_free(graph->listeners.sink_input_port_added, TRUE); | |
204 | graph->listeners.sink_input_port_added = NULL; | |
1bf957a0 PP |
205 | } |
206 | ||
d94d92ac PP |
207 | if (graph->listeners.source_filter_ports_connected) { |
208 | g_array_free(graph->listeners.source_filter_ports_connected, | |
209 | TRUE); | |
210 | graph->listeners.source_filter_ports_connected = NULL; | |
211 | } | |
212 | ||
9c0a126a PP |
213 | if (graph->listeners.filter_filter_ports_connected) { |
214 | g_array_free(graph->listeners.filter_filter_ports_connected, | |
215 | TRUE); | |
216 | graph->listeners.filter_filter_ports_connected = NULL; | |
217 | } | |
218 | ||
d94d92ac PP |
219 | if (graph->listeners.source_sink_ports_connected) { |
220 | g_array_free(graph->listeners.source_sink_ports_connected, | |
221 | TRUE); | |
222 | graph->listeners.source_sink_ports_connected = NULL; | |
223 | } | |
224 | ||
225 | if (graph->listeners.filter_sink_ports_connected) { | |
226 | g_array_free(graph->listeners.filter_sink_ports_connected, | |
227 | TRUE); | |
228 | graph->listeners.filter_sink_ports_connected = NULL; | |
229 | } | |
230 | ||
d6e69534 PP |
231 | bt_object_pool_finalize(&graph->event_msg_pool); |
232 | bt_object_pool_finalize(&graph->packet_begin_msg_pool); | |
233 | bt_object_pool_finalize(&graph->packet_end_msg_pool); | |
c0418dd9 JG |
234 | g_free(graph); |
235 | } | |
236 | ||
5c563278 | 237 | static |
d6e69534 | 238 | void destroy_message_event(struct bt_message *msg, |
5c563278 PP |
239 | struct bt_graph *graph) |
240 | { | |
d6e69534 | 241 | bt_message_event_destroy(msg); |
5c563278 PP |
242 | } |
243 | ||
244 | static | |
d6e69534 | 245 | void destroy_message_packet_begin(struct bt_message *msg, |
5c563278 PP |
246 | struct bt_graph *graph) |
247 | { | |
5df26c89 | 248 | bt_message_packet_destroy(msg); |
5c563278 PP |
249 | } |
250 | ||
251 | static | |
d6e69534 | 252 | void destroy_message_packet_end(struct bt_message *msg, |
5c563278 PP |
253 | struct bt_graph *graph) |
254 | { | |
5df26c89 | 255 | bt_message_packet_destroy(msg); |
5c563278 PP |
256 | } |
257 | ||
258 | static | |
d6e69534 | 259 | void notify_message_graph_is_destroyed(struct bt_message *msg) |
5c563278 | 260 | { |
d6e69534 | 261 | bt_message_unlink_graph(msg); |
5c563278 PP |
262 | } |
263 | ||
0d72b8c3 | 264 | struct bt_graph *bt_graph_create(void) |
c0418dd9 | 265 | { |
f60c8b34 | 266 | struct bt_graph *graph; |
1bf957a0 | 267 | int ret; |
c0418dd9 | 268 | |
3f7d4d90 | 269 | BT_LOGI_STR("Creating graph object."); |
f60c8b34 | 270 | graph = g_new0(struct bt_graph, 1); |
c0418dd9 | 271 | if (!graph) { |
870631a2 | 272 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one graph."); |
c0418dd9 JG |
273 | goto end; |
274 | } | |
275 | ||
d94d92ac | 276 | bt_object_init_shared(&graph->base, destroy_graph); |
3fea54f6 PP |
277 | graph->connections = g_ptr_array_new_with_free_func( |
278 | (GDestroyNotify) bt_object_try_spec_release); | |
c0418dd9 | 279 | if (!graph->connections) { |
870631a2 | 280 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
c0418dd9 JG |
281 | goto error; |
282 | } | |
3fea54f6 PP |
283 | graph->components = g_ptr_array_new_with_free_func( |
284 | (GDestroyNotify) bt_object_try_spec_release); | |
f60c8b34 | 285 | if (!graph->components) { |
870631a2 | 286 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
f60c8b34 JG |
287 | goto error; |
288 | } | |
289 | graph->sinks_to_consume = g_queue_new(); | |
290 | if (!graph->sinks_to_consume) { | |
870631a2 | 291 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GQueue."); |
c0418dd9 JG |
292 | goto error; |
293 | } | |
1bf957a0 | 294 | |
d94d92ac PP |
295 | bt_graph_set_can_consume(graph, true); |
296 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, | |
297 | graph->listeners.source_output_port_added); | |
298 | ||
299 | if (!graph->listeners.source_output_port_added) { | |
300 | ret = -1; | |
1bf957a0 PP |
301 | goto error; |
302 | } | |
303 | ||
d94d92ac PP |
304 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
305 | graph->listeners.filter_output_port_added); | |
306 | ||
307 | if (!graph->listeners.filter_output_port_added) { | |
308 | ret = -1; | |
1bf957a0 PP |
309 | goto error; |
310 | } | |
311 | ||
d94d92ac PP |
312 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
313 | graph->listeners.filter_input_port_added); | |
314 | ||
315 | if (!graph->listeners.filter_input_port_added) { | |
316 | ret = -1; | |
1bf957a0 PP |
317 | goto error; |
318 | } | |
319 | ||
d94d92ac PP |
320 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
321 | graph->listeners.sink_input_port_added); | |
322 | ||
323 | if (!graph->listeners.sink_input_port_added) { | |
324 | ret = -1; | |
325 | goto error; | |
326 | } | |
327 | ||
d94d92ac PP |
328 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, |
329 | graph->listeners.source_filter_ports_connected); | |
330 | ||
331 | if (!graph->listeners.source_filter_ports_connected) { | |
332 | ret = -1; | |
333 | goto error; | |
334 | } | |
335 | ||
336 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, | |
337 | graph->listeners.source_sink_ports_connected); | |
338 | ||
339 | if (!graph->listeners.source_sink_ports_connected) { | |
340 | ret = -1; | |
341 | goto error; | |
342 | } | |
343 | ||
9c0a126a PP |
344 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, |
345 | graph->listeners.filter_filter_ports_connected); | |
346 | ||
347 | if (!graph->listeners.filter_filter_ports_connected) { | |
348 | ret = -1; | |
349 | goto error; | |
350 | } | |
351 | ||
d94d92ac PP |
352 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_ports_connected, |
353 | graph->listeners.filter_sink_ports_connected); | |
354 | ||
355 | if (!graph->listeners.filter_sink_ports_connected) { | |
356 | ret = -1; | |
357 | goto error; | |
358 | } | |
359 | ||
9b4f9b42 PP |
360 | graph->interrupters = g_ptr_array_new_with_free_func( |
361 | (GDestroyNotify) bt_object_put_no_null_check); | |
362 | if (!graph->interrupters) { | |
363 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); | |
364 | goto error; | |
365 | } | |
366 | ||
367 | graph->default_interrupter = bt_interrupter_create(); | |
368 | if (!graph->default_interrupter) { | |
369 | BT_LIB_LOGE_APPEND_CAUSE( | |
370 | "Failed to create one interrupter object."); | |
371 | goto error; | |
372 | } | |
373 | ||
374 | bt_graph_add_interrupter(graph, graph->default_interrupter); | |
d6e69534 PP |
375 | ret = bt_object_pool_initialize(&graph->event_msg_pool, |
376 | (bt_object_pool_new_object_func) bt_message_event_new, | |
377 | (bt_object_pool_destroy_object_func) destroy_message_event, | |
5c563278 PP |
378 | graph); |
379 | if (ret) { | |
870631a2 PP |
380 | BT_LIB_LOGE_APPEND_CAUSE( |
381 | "Failed to initialize event message pool: ret=%d", | |
5c563278 PP |
382 | ret); |
383 | goto error; | |
384 | } | |
385 | ||
d6e69534 PP |
386 | ret = bt_object_pool_initialize(&graph->packet_begin_msg_pool, |
387 | (bt_object_pool_new_object_func) bt_message_packet_beginning_new, | |
388 | (bt_object_pool_destroy_object_func) destroy_message_packet_begin, | |
5c563278 PP |
389 | graph); |
390 | if (ret) { | |
870631a2 PP |
391 | BT_LIB_LOGE_APPEND_CAUSE( |
392 | "Failed to initialize packet beginning message pool: ret=%d", | |
5c563278 PP |
393 | ret); |
394 | goto error; | |
395 | } | |
396 | ||
d6e69534 PP |
397 | ret = bt_object_pool_initialize(&graph->packet_end_msg_pool, |
398 | (bt_object_pool_new_object_func) bt_message_packet_end_new, | |
399 | (bt_object_pool_destroy_object_func) destroy_message_packet_end, | |
5c563278 PP |
400 | graph); |
401 | if (ret) { | |
870631a2 PP |
402 | BT_LIB_LOGE_APPEND_CAUSE( |
403 | "Failed to initialize packet end message pool: ret=%d", | |
5c563278 PP |
404 | ret); |
405 | goto error; | |
406 | } | |
407 | ||
d6e69534 PP |
408 | graph->messages = g_ptr_array_new_with_free_func( |
409 | (GDestroyNotify) notify_message_graph_is_destroyed); | |
3f7d4d90 | 410 | BT_LIB_LOGI("Created graph object: %!+g", graph); |
262e5473 | 411 | |
c0418dd9 | 412 | end: |
a2d06fd5 | 413 | return (void *) graph; |
d94d92ac | 414 | |
c0418dd9 | 415 | error: |
65300d60 | 416 | BT_OBJECT_PUT_REF_AND_RESET(graph); |
c0418dd9 JG |
417 | goto end; |
418 | } | |
419 | ||
d24d5663 | 420 | enum bt_graph_connect_ports_status bt_graph_connect_ports( |
0d72b8c3 PP |
421 | struct bt_graph *graph, |
422 | const struct bt_port_output *upstream_port_out, | |
423 | const struct bt_port_input *downstream_port_in, | |
424 | const struct bt_connection **user_connection) | |
f60c8b34 | 425 | { |
d24d5663 PP |
426 | enum bt_graph_connect_ports_status status = BT_FUNC_STATUS_OK; |
427 | enum bt_graph_listener_func_status listener_status; | |
f60c8b34 | 428 | struct bt_connection *connection = NULL; |
d94d92ac PP |
429 | struct bt_port *upstream_port = (void *) upstream_port_out; |
430 | struct bt_port *downstream_port = (void *) downstream_port_in; | |
f60c8b34 JG |
431 | struct bt_component *upstream_component = NULL; |
432 | struct bt_component *downstream_component = NULL; | |
d24d5663 | 433 | enum bt_component_class_port_connected_method_status port_connected_status; |
d94d92ac | 434 | bool init_can_consume; |
f60c8b34 | 435 | |
d94d92ac PP |
436 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
437 | BT_ASSERT_PRE_NON_NULL(upstream_port, "Upstream port"); | |
438 | BT_ASSERT_PRE_NON_NULL(downstream_port, "Downstream port port"); | |
5badd463 PP |
439 | BT_ASSERT_PRE( |
440 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, | |
38cda5da | 441 | "Graph is not in the \"configuring\" state: %!+g", graph); |
d94d92ac PP |
442 | BT_ASSERT_PRE(!bt_port_is_connected(upstream_port), |
443 | "Upstream port is already connected: %!+p", upstream_port); | |
444 | BT_ASSERT_PRE(!bt_port_is_connected(downstream_port), | |
445 | "Downstream port is already connected: %!+p", downstream_port); | |
0d72b8c3 | 446 | BT_ASSERT_PRE(bt_port_borrow_component_inline((void *) upstream_port), |
d94d92ac PP |
447 | "Upstream port does not belong to a component: %!+p", |
448 | upstream_port); | |
0d72b8c3 | 449 | BT_ASSERT_PRE(bt_port_borrow_component_inline((void *) downstream_port), |
d94d92ac PP |
450 | "Downstream port does not belong to a component: %!+p", |
451 | downstream_port); | |
4aa7981f | 452 | init_can_consume = graph->can_consume; |
3f7d4d90 | 453 | BT_LIB_LOGI("Connecting component ports within graph: " |
d94d92ac PP |
454 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", |
455 | graph, upstream_port, downstream_port); | |
456 | bt_graph_set_can_consume(graph, false); | |
0d72b8c3 | 457 | upstream_component = bt_port_borrow_component_inline( |
d94d92ac | 458 | (void *) upstream_port); |
0d72b8c3 | 459 | downstream_component = bt_port_borrow_component_inline( |
d94d92ac | 460 | (void *) downstream_port); |
262e5473 | 461 | |
262e5473 | 462 | BT_LOGD_STR("Creating connection."); |
d94d92ac PP |
463 | connection = bt_connection_create(graph, (void *) upstream_port, |
464 | (void *) downstream_port); | |
f60c8b34 | 465 | if (!connection) { |
870631a2 | 466 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create connection object."); |
d24d5663 | 467 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
a256a42d | 468 | goto end; |
f60c8b34 JG |
469 | } |
470 | ||
d94d92ac | 471 | BT_LIB_LOGD("Connection object created: %!+x", connection); |
262e5473 | 472 | |
f60c8b34 | 473 | /* |
72b913fb PP |
474 | * Ownership of upstream_component/downstream_component and of |
475 | * the connection object is transferred to the graph. | |
f60c8b34 JG |
476 | */ |
477 | g_ptr_array_add(graph->connections, connection); | |
ffeb0eed | 478 | |
f60c8b34 | 479 | /* |
0d8b4d8e | 480 | * Notify both components that their port is connected. |
f60c8b34 | 481 | */ |
d94d92ac PP |
482 | BT_LIB_LOGD("Notifying upstream component that its port is connected: " |
483 | "%![comp-]+c, %![port-]+p", upstream_component, upstream_port); | |
d24d5663 | 484 | port_connected_status = bt_component_port_connected(upstream_component, |
d94d92ac | 485 | (void *) upstream_port, (void *) downstream_port); |
d24d5663 | 486 | if (port_connected_status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
487 | if (port_connected_status < 0) { |
488 | BT_LIB_LOGW_APPEND_CAUSE( | |
489 | "Upstream component's \"port connected\" method failed: " | |
490 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
491 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
492 | bt_common_func_status_string( | |
493 | port_connected_status), | |
494 | graph, upstream_component, downstream_component, | |
495 | upstream_port, downstream_port); | |
496 | } | |
497 | ||
bf55043c | 498 | bt_connection_end(connection, true); |
d24d5663 | 499 | status = (int) port_connected_status; |
bf55043c PP |
500 | goto end; |
501 | } | |
502 | ||
85031ceb | 503 | connection->notified_upstream_port_connected = true; |
d94d92ac PP |
504 | BT_LIB_LOGD("Notifying downstream component that its port is connected: " |
505 | "%![comp-]+c, %![port-]+p", downstream_component, | |
506 | downstream_port); | |
d24d5663 | 507 | port_connected_status = bt_component_port_connected(downstream_component, |
d94d92ac | 508 | (void *) downstream_port, (void *) upstream_port); |
d24d5663 | 509 | if (port_connected_status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
510 | if (port_connected_status < 0) { |
511 | BT_LIB_LOGW_APPEND_CAUSE( | |
512 | "Downstream component's \"port connected\" method failed: " | |
513 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
514 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
515 | bt_common_func_status_string( | |
516 | port_connected_status), | |
517 | graph, upstream_component, downstream_component, | |
518 | upstream_port, downstream_port); | |
519 | } | |
520 | ||
bf55043c | 521 | bt_connection_end(connection, true); |
d24d5663 | 522 | status = (int) port_connected_status; |
bf55043c PP |
523 | goto end; |
524 | } | |
525 | ||
85031ceb | 526 | connection->notified_downstream_port_connected = true; |
1bf957a0 PP |
527 | |
528 | /* | |
0d8b4d8e | 529 | * Notify the graph's creator that both ports are connected. |
1bf957a0 | 530 | */ |
262e5473 | 531 | BT_LOGD_STR("Notifying graph's user that new component ports are connected."); |
8cc56726 | 532 | listener_status = bt_graph_notify_ports_connected(graph, upstream_port, downstream_port); |
d24d5663 | 533 | if (listener_status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
534 | if (listener_status < 0) { |
535 | BT_LIB_LOGW_APPEND_CAUSE( | |
536 | "Graph \"ports connected\" listener failed: " | |
537 | "status=%d, %![graph-]+g, %![up-comp-]+c, " | |
538 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
539 | listener_status, graph, | |
540 | upstream_component, downstream_component, | |
541 | upstream_port, downstream_port); | |
542 | } | |
543 | ||
8cc56726 SM |
544 | status = (int) listener_status; |
545 | goto end; | |
546 | } | |
547 | ||
85031ceb | 548 | connection->notified_graph_ports_connected = true; |
3f7d4d90 | 549 | BT_LIB_LOGI("Connected component ports within graph: " |
d94d92ac PP |
550 | "%![graph-]+g, %![up-comp-]+c, %![down-comp-]+c, " |
551 | "%![up-port-]+p, %![down-port-]+p", | |
552 | graph, upstream_component, downstream_component, | |
553 | upstream_port, downstream_port); | |
1bf957a0 | 554 | |
a256a42d | 555 | if (user_connection) { |
1a6a376a PP |
556 | /* Move reference to user */ |
557 | *user_connection = connection; | |
558 | connection = NULL; | |
a256a42d PP |
559 | } |
560 | ||
f60c8b34 | 561 | end: |
d24d5663 | 562 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 | 563 | bt_graph_make_faulty(graph); |
38cda5da PP |
564 | } |
565 | ||
65300d60 | 566 | bt_object_put_ref(connection); |
d94d92ac PP |
567 | (void) init_can_consume; |
568 | bt_graph_set_can_consume(graph, init_can_consume); | |
a256a42d | 569 | return status; |
f60c8b34 JG |
570 | } |
571 | ||
ad847455 | 572 | static inline |
d24d5663 | 573 | int consume_graph_sink(struct bt_component_sink *comp) |
c0418dd9 | 574 | { |
d24d5663 | 575 | enum bt_component_class_sink_consume_method_status consume_status; |
d94d92ac PP |
576 | struct bt_component_class_sink *sink_class = NULL; |
577 | ||
578 | BT_ASSERT(comp); | |
579 | sink_class = (void *) comp->parent.class; | |
580 | BT_ASSERT(sink_class->methods.consume); | |
581 | BT_LIB_LOGD("Calling user's consume method: %!+c", comp); | |
d24d5663 | 582 | consume_status = sink_class->methods.consume((void *) comp); |
d94d92ac | 583 | BT_LOGD("User method returned: status=%s", |
d24d5663 | 584 | bt_common_func_status_string(consume_status)); |
bdb288b3 | 585 | BT_ASSERT_POST_DEV(consume_status == BT_FUNC_STATUS_OK || |
d24d5663 PP |
586 | consume_status == BT_FUNC_STATUS_END || |
587 | consume_status == BT_FUNC_STATUS_AGAIN || | |
588 | consume_status == BT_FUNC_STATUS_ERROR || | |
589 | consume_status == BT_FUNC_STATUS_MEMORY_ERROR, | |
d94d92ac | 590 | "Invalid component status returned by consuming method: " |
d24d5663 | 591 | "status=%s", bt_common_func_status_string(consume_status)); |
870631a2 PP |
592 | if (consume_status) { |
593 | if (consume_status < 0) { | |
594 | BT_LIB_LOGW_APPEND_CAUSE( | |
595 | "Component's \"consume\" method failed: " | |
596 | "status=%s, %![comp-]+c", | |
597 | bt_common_func_status_string(consume_status), | |
598 | comp); | |
599 | } | |
600 | ||
d94d92ac PP |
601 | goto end; |
602 | } | |
603 | ||
3f7d4d90 | 604 | BT_LIB_LOGD("Consumed from sink: %![comp-]+c, status=%s", |
d24d5663 | 605 | comp, bt_common_func_status_string(consume_status)); |
d94d92ac PP |
606 | |
607 | end: | |
d24d5663 | 608 | return consume_status; |
8ed535b5 PP |
609 | } |
610 | ||
611 | /* | |
612 | * `node` is removed from the queue of sinks to consume when passed to | |
613 | * this function. This function adds it back to the queue if there's | |
614 | * still something to consume afterwards. | |
615 | */ | |
ad847455 | 616 | static inline |
d24d5663 | 617 | int consume_sink_node(struct bt_graph *graph, GList *node) |
8ed535b5 | 618 | { |
d24d5663 | 619 | int status; |
d94d92ac | 620 | struct bt_component_sink *sink; |
8ed535b5 PP |
621 | |
622 | sink = node->data; | |
623 | status = consume_graph_sink(sink); | |
d24d5663 | 624 | if (G_UNLIKELY(status != BT_FUNC_STATUS_END)) { |
8ed535b5 | 625 | g_queue_push_tail_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
626 | goto end; |
627 | } | |
628 | ||
629 | /* End reached, the node is not added back to the queue and free'd. */ | |
8ed535b5 | 630 | g_queue_delete_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
631 | |
632 | /* Don't forward an END status if there are sinks left to consume. */ | |
633 | if (!g_queue_is_empty(graph->sinks_to_consume)) { | |
d24d5663 | 634 | status = BT_FUNC_STATUS_OK; |
f60c8b34 JG |
635 | goto end; |
636 | } | |
8ed535b5 PP |
637 | |
638 | end: | |
3f7d4d90 | 639 | BT_LIB_LOGD("Consumed sink node: %![comp-]+c, status=%s", |
d24d5663 | 640 | sink, bt_common_func_status_string(status)); |
8ed535b5 PP |
641 | return status; |
642 | } | |
643 | ||
644 | BT_HIDDEN | |
d24d5663 | 645 | int bt_graph_consume_sink_no_check(struct bt_graph *graph, |
d94d92ac | 646 | struct bt_component_sink *sink) |
8ed535b5 | 647 | { |
d24d5663 | 648 | int status; |
8ed535b5 PP |
649 | GList *sink_node; |
650 | int index; | |
651 | ||
3f7d4d90 | 652 | BT_LIB_LOGD("Making specific sink consume: %![comp-]+c", sink); |
d94d92ac | 653 | BT_ASSERT(bt_component_borrow_graph((void *) sink) == graph); |
8ed535b5 PP |
654 | |
655 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
3f7d4d90 | 656 | BT_LOGD_STR("Graph's sink queue is empty: end of graph."); |
d24d5663 | 657 | status = BT_FUNC_STATUS_END; |
8ed535b5 PP |
658 | goto end; |
659 | } | |
660 | ||
661 | index = g_queue_index(graph->sinks_to_consume, sink); | |
662 | if (index < 0) { | |
3f7d4d90 PP |
663 | BT_LIB_LOGD("Sink component is not marked as consumable: " |
664 | "component sink is ended: %![comp-]+c", sink); | |
d24d5663 | 665 | status = BT_FUNC_STATUS_END; |
8ed535b5 PP |
666 | goto end; |
667 | } | |
668 | ||
669 | sink_node = g_queue_pop_nth_link(graph->sinks_to_consume, index); | |
f6ccaed9 | 670 | BT_ASSERT(sink_node); |
8ed535b5 PP |
671 | status = consume_sink_node(graph, sink_node); |
672 | ||
673 | end: | |
674 | return status; | |
675 | } | |
676 | ||
ad847455 | 677 | static inline |
d24d5663 | 678 | int consume_no_check(struct bt_graph *graph) |
8ed535b5 | 679 | { |
d24d5663 | 680 | int status = BT_FUNC_STATUS_OK; |
8ed535b5 PP |
681 | struct bt_component *sink; |
682 | GList *current_node; | |
683 | ||
bdb288b3 | 684 | BT_ASSERT_PRE_DEV(graph->has_sink, |
f6ccaed9 | 685 | "Graph has no sink component: %!+g", graph); |
3f7d4d90 | 686 | BT_LIB_LOGD("Making next sink component consume: %![graph-]+g", graph); |
8ed535b5 | 687 | |
91d81473 | 688 | if (G_UNLIKELY(g_queue_is_empty(graph->sinks_to_consume))) { |
3f7d4d90 | 689 | BT_LOGD_STR("Graph's sink queue is empty: end of graph."); |
d24d5663 | 690 | status = BT_FUNC_STATUS_END; |
8ed535b5 PP |
691 | goto end; |
692 | } | |
693 | ||
694 | current_node = g_queue_pop_head_link(graph->sinks_to_consume); | |
695 | sink = current_node->data; | |
3f7d4d90 | 696 | BT_LIB_LOGD("Chose next sink to consume: %!+c", sink); |
8ed535b5 PP |
697 | status = consume_sink_node(graph, current_node); |
698 | ||
f60c8b34 JG |
699 | end: |
700 | return status; | |
c0418dd9 JG |
701 | } |
702 | ||
d24d5663 | 703 | enum bt_graph_consume_status bt_graph_consume(struct bt_graph *graph) |
851b70bd | 704 | { |
d24d5663 | 705 | enum bt_graph_consume_status status; |
1d915789 | 706 | |
bdb288b3 | 707 | BT_ASSERT_PRE_DEV_NON_NULL(graph, "Graph"); |
bdb288b3 | 708 | BT_ASSERT_PRE_DEV(graph->can_consume, |
f6ccaed9 | 709 | "Cannot consume graph in its current state: %!+g", graph); |
bdb288b3 PP |
710 | BT_ASSERT_PRE_DEV(graph->config_state != |
711 | BT_GRAPH_CONFIGURATION_STATE_FAULTY, | |
38cda5da | 712 | "Graph is in a faulty state: %!+g", graph); |
4725a201 | 713 | bt_graph_set_can_consume(graph, false); |
5badd463 | 714 | status = bt_graph_configure(graph); |
91d81473 | 715 | if (G_UNLIKELY(status)) { |
5badd463 PP |
716 | /* bt_graph_configure() logs errors */ |
717 | goto end; | |
718 | } | |
719 | ||
d94d92ac | 720 | status = consume_no_check(graph); |
4725a201 | 721 | bt_graph_set_can_consume(graph, true); |
5badd463 PP |
722 | |
723 | end: | |
26a15756 | 724 | return status; |
851b70bd PP |
725 | } |
726 | ||
d24d5663 | 727 | enum bt_graph_run_status bt_graph_run(struct bt_graph *graph) |
f60c8b34 | 728 | { |
d24d5663 | 729 | enum bt_graph_run_status status; |
f60c8b34 | 730 | |
d94d92ac | 731 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
ad847455 PP |
732 | BT_ASSERT_PRE(graph->can_consume, |
733 | "Cannot consume graph in its current state: %!+g", graph); | |
38cda5da PP |
734 | BT_ASSERT_PRE(graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY, |
735 | "Graph is in a faulty state: %!+g", graph); | |
4725a201 | 736 | bt_graph_set_can_consume(graph, false); |
5badd463 | 737 | status = bt_graph_configure(graph); |
91d81473 | 738 | if (G_UNLIKELY(status)) { |
5badd463 PP |
739 | /* bt_graph_configure() logs errors */ |
740 | goto end; | |
741 | } | |
742 | ||
3f7d4d90 | 743 | BT_LIB_LOGI("Running graph: %!+g", graph); |
262e5473 | 744 | |
f60c8b34 | 745 | do { |
851b70bd | 746 | /* |
9b4f9b42 PP |
747 | * Check if the graph is interrupted at each iteration. |
748 | * If the graph was interrupted by another thread or by | |
749 | * a signal handler, this is NOT a warning nor an error; | |
750 | * it was intentional: log with an INFO level only. | |
851b70bd | 751 | */ |
9b4f9b42 PP |
752 | if (G_UNLIKELY(bt_graph_is_interrupted(graph))) { |
753 | BT_LIB_LOGI("Stopping the graph: " | |
754 | "graph was interrupted: %!+g", graph); | |
755 | status = BT_FUNC_STATUS_AGAIN; | |
851b70bd PP |
756 | goto end; |
757 | } | |
758 | ||
d94d92ac | 759 | status = consume_no_check(graph); |
d24d5663 | 760 | if (G_UNLIKELY(status == BT_FUNC_STATUS_AGAIN)) { |
f60c8b34 | 761 | /* |
202a3a13 PP |
762 | * If AGAIN is received and there are multiple |
763 | * sinks, go ahead and consume from the next | |
764 | * sink. | |
f60c8b34 | 765 | * |
202a3a13 PP |
766 | * However, in the case where a single sink is |
767 | * left, the caller can decide to busy-wait and | |
0d72b8c3 | 768 | * call bt_graph_run() continuously |
d94d92ac PP |
769 | * until the source is ready or it can decide to |
770 | * sleep for an arbitrary amount of time. | |
f60c8b34 JG |
771 | */ |
772 | if (graph->sinks_to_consume->length > 1) { | |
d24d5663 | 773 | status = BT_FUNC_STATUS_OK; |
f60c8b34 JG |
774 | } |
775 | } | |
d24d5663 | 776 | } while (status == BT_FUNC_STATUS_OK); |
f60c8b34 JG |
777 | |
778 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
d24d5663 | 779 | status = BT_FUNC_STATUS_END; |
f60c8b34 | 780 | } |
262e5473 | 781 | |
202a3a13 | 782 | end: |
3f7d4d90 | 783 | BT_LIB_LOGI("Graph ran: %![graph-]+g, status=%s", graph, |
d24d5663 | 784 | bt_common_func_status_string(status)); |
4725a201 | 785 | bt_graph_set_can_consume(graph, true); |
72b913fb | 786 | return status; |
f60c8b34 | 787 | } |
1bf957a0 | 788 | |
d24d5663 | 789 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
790 | bt_graph_add_source_component_output_port_added_listener( |
791 | struct bt_graph *graph, | |
792 | bt_graph_source_component_output_port_added_listener_func func, | |
793 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac | 794 | int *out_listener_id) |
1bf957a0 | 795 | { |
d94d92ac PP |
796 | struct bt_graph_listener_port_added listener = { |
797 | .base = { | |
798 | .removed = listener_removed, | |
799 | .data = data, | |
800 | }, | |
801 | .func = (port_added_func_t) func, | |
1bf957a0 | 802 | }; |
d94d92ac | 803 | int listener_id; |
1bf957a0 | 804 | |
d94d92ac PP |
805 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
806 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
807 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
808 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
809 | "Graph currently executing a \"listener removed\" listener: " | |
810 | "%!+g", graph); | |
811 | g_array_append_val(graph->listeners.source_output_port_added, listener); | |
812 | listener_id = graph->listeners.source_output_port_added->len - 1; | |
3f7d4d90 | 813 | BT_LIB_LOGD("Added \"source component output port added\" listener to graph: " |
d94d92ac PP |
814 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
815 | listener_id); | |
816 | ||
817 | if (listener_id) { | |
818 | *out_listener_id = listener_id; | |
819 | } | |
820 | ||
d24d5663 | 821 | return BT_FUNC_STATUS_OK; |
1bf957a0 PP |
822 | } |
823 | ||
d24d5663 | 824 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
825 | bt_graph_add_filter_component_output_port_added_listener( |
826 | struct bt_graph *graph, | |
827 | bt_graph_filter_component_output_port_added_listener_func func, | |
828 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac | 829 | int *out_listener_id) |
1bf957a0 | 830 | { |
d94d92ac PP |
831 | struct bt_graph_listener_port_added listener = { |
832 | .base = { | |
833 | .removed = listener_removed, | |
834 | .data = data, | |
835 | }, | |
836 | .func = (port_added_func_t) func, | |
837 | }; | |
838 | int listener_id; | |
1bf957a0 | 839 | |
d94d92ac PP |
840 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
841 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
842 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
843 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
844 | "Graph currently executing a \"listener removed\" listener: " | |
845 | "%!+g", graph); | |
846 | g_array_append_val(graph->listeners.filter_output_port_added, listener); | |
847 | listener_id = graph->listeners.filter_output_port_added->len - 1; | |
3f7d4d90 | 848 | BT_LIB_LOGD("Added \"filter component output port added\" listener to graph: " |
d94d92ac PP |
849 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
850 | listener_id); | |
851 | ||
852 | if (listener_id) { | |
853 | *out_listener_id = listener_id; | |
854 | } | |
855 | ||
d24d5663 | 856 | return BT_FUNC_STATUS_OK; |
d94d92ac | 857 | } |
262e5473 | 858 | |
d24d5663 | 859 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
860 | bt_graph_add_filter_component_input_port_added_listener( |
861 | struct bt_graph *graph, | |
862 | bt_graph_filter_component_input_port_added_listener_func func, | |
863 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac PP |
864 | int *out_listener_id) |
865 | { | |
d94d92ac PP |
866 | struct bt_graph_listener_port_added listener = { |
867 | .base = { | |
868 | .removed = listener_removed, | |
869 | .data = data, | |
870 | }, | |
871 | .func = (port_added_func_t) func, | |
872 | }; | |
873 | int listener_id; | |
8cc092c9 | 874 | |
d94d92ac PP |
875 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
876 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
877 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
878 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
879 | "Graph currently executing a \"listener removed\" listener: " | |
880 | "%!+g", graph); | |
881 | g_array_append_val(graph->listeners.filter_input_port_added, listener); | |
882 | listener_id = graph->listeners.filter_input_port_added->len - 1; | |
3f7d4d90 | 883 | BT_LIB_LOGD("Added \"filter component input port added\" listener to graph: " |
d94d92ac PP |
884 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
885 | listener_id); | |
886 | ||
887 | if (listener_id) { | |
888 | *out_listener_id = listener_id; | |
889 | } | |
890 | ||
d24d5663 | 891 | return BT_FUNC_STATUS_OK; |
d94d92ac | 892 | } |
1bf957a0 | 893 | |
d24d5663 | 894 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
895 | bt_graph_add_sink_component_input_port_added_listener( |
896 | struct bt_graph *graph, | |
897 | bt_graph_sink_component_input_port_added_listener_func func, | |
898 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac PP |
899 | int *out_listener_id) |
900 | { | |
d94d92ac PP |
901 | struct bt_graph_listener_port_added listener = { |
902 | .base = { | |
903 | .removed = listener_removed, | |
904 | .data = data, | |
905 | }, | |
906 | .func = (port_added_func_t) func, | |
907 | }; | |
908 | int listener_id; | |
1bf957a0 | 909 | |
d94d92ac PP |
910 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
911 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
912 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
913 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
914 | "Graph currently executing a \"listener removed\" listener: " | |
915 | "%!+g", graph); | |
916 | g_array_append_val(graph->listeners.sink_input_port_added, listener); | |
917 | listener_id = graph->listeners.sink_input_port_added->len - 1; | |
3f7d4d90 | 918 | BT_LIB_LOGD("Added \"sink component input port added\" listener to graph: " |
d94d92ac PP |
919 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
920 | listener_id); | |
921 | ||
922 | if (listener_id) { | |
923 | *out_listener_id = listener_id; | |
924 | } | |
925 | ||
d24d5663 | 926 | return BT_FUNC_STATUS_OK; |
1bf957a0 PP |
927 | } |
928 | ||
d24d5663 | 929 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
930 | bt_graph_add_source_filter_component_ports_connected_listener( |
931 | struct bt_graph *graph, | |
932 | bt_graph_source_filter_component_ports_connected_listener_func func, | |
933 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac PP |
934 | int *out_listener_id) |
935 | { | |
d94d92ac PP |
936 | struct bt_graph_listener_ports_connected listener = { |
937 | .base = { | |
938 | .removed = listener_removed, | |
939 | .data = data, | |
940 | }, | |
941 | .func = (ports_connected_func_t) func, | |
942 | }; | |
943 | int listener_id; | |
8cc092c9 | 944 | |
d94d92ac PP |
945 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
946 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
947 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
948 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
949 | "Graph currently executing a \"listener removed\" listener: " | |
950 | "%!+g", graph); | |
951 | g_array_append_val(graph->listeners.source_filter_ports_connected, | |
952 | listener); | |
953 | listener_id = graph->listeners.source_filter_ports_connected->len - 1; | |
3f7d4d90 | 954 | BT_LIB_LOGD("Added \"source to filter component ports connected\" listener to graph: " |
d94d92ac PP |
955 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
956 | listener_id); | |
957 | ||
958 | if (listener_id) { | |
959 | *out_listener_id = listener_id; | |
960 | } | |
961 | ||
d24d5663 | 962 | return BT_FUNC_STATUS_OK; |
d94d92ac | 963 | } |
1bf957a0 | 964 | |
d24d5663 | 965 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
966 | bt_graph_add_source_sink_component_ports_connected_listener( |
967 | struct bt_graph *graph, | |
968 | bt_graph_source_sink_component_ports_connected_listener_func func, | |
969 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac PP |
970 | int *out_listener_id) |
971 | { | |
d94d92ac PP |
972 | struct bt_graph_listener_ports_connected listener = { |
973 | .base = { | |
974 | .removed = listener_removed, | |
975 | .data = data, | |
976 | }, | |
977 | .func = (ports_connected_func_t) func, | |
978 | }; | |
979 | int listener_id; | |
1bf957a0 | 980 | |
d94d92ac PP |
981 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
982 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
983 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
984 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
985 | "Graph currently executing a \"listener removed\" listener: " | |
986 | "%!+g", graph); | |
987 | g_array_append_val(graph->listeners.source_sink_ports_connected, | |
988 | listener); | |
989 | listener_id = graph->listeners.source_sink_ports_connected->len - 1; | |
3f7d4d90 | 990 | BT_LIB_LOGD("Added \"source to sink component ports connected\" listener to graph: " |
d94d92ac PP |
991 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
992 | listener_id); | |
993 | ||
994 | if (listener_id) { | |
995 | *out_listener_id = listener_id; | |
996 | } | |
997 | ||
d24d5663 | 998 | return BT_FUNC_STATUS_OK; |
1bf957a0 PP |
999 | } |
1000 | ||
d24d5663 | 1001 | enum bt_graph_add_listener_status |
9c0a126a PP |
1002 | bt_graph_add_filter_filter_component_ports_connected_listener( |
1003 | struct bt_graph *graph, | |
1004 | bt_graph_filter_filter_component_ports_connected_listener_func func, | |
1005 | bt_graph_listener_removed_func listener_removed, void *data, | |
1006 | int *out_listener_id) | |
1007 | { | |
1008 | struct bt_graph_listener_ports_connected listener = { | |
1009 | .base = { | |
1010 | .removed = listener_removed, | |
1011 | .data = data, | |
1012 | }, | |
1013 | .func = (ports_connected_func_t) func, | |
1014 | }; | |
1015 | int listener_id; | |
1016 | ||
1017 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1018 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1019 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1020 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1021 | "Graph currently executing a \"listener removed\" listener: " | |
1022 | "%!+g", graph); | |
1023 | g_array_append_val(graph->listeners.filter_filter_ports_connected, | |
1024 | listener); | |
1025 | listener_id = graph->listeners.filter_filter_ports_connected->len - 1; | |
3f7d4d90 | 1026 | BT_LIB_LOGD("Added \"filter to filter component ports connected\" listener to graph: " |
9c0a126a PP |
1027 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
1028 | listener_id); | |
1029 | ||
1030 | if (listener_id) { | |
1031 | *out_listener_id = listener_id; | |
1032 | } | |
1033 | ||
d24d5663 | 1034 | return BT_FUNC_STATUS_OK; |
9c0a126a PP |
1035 | } |
1036 | ||
d24d5663 | 1037 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
1038 | bt_graph_add_filter_sink_component_ports_connected_listener( |
1039 | struct bt_graph *graph, | |
1040 | bt_graph_filter_sink_component_ports_connected_listener_func func, | |
1041 | bt_graph_listener_removed_func listener_removed, void *data, | |
d94d92ac | 1042 | int *out_listener_id) |
1bf957a0 | 1043 | { |
d94d92ac PP |
1044 | struct bt_graph_listener_ports_connected listener = { |
1045 | .base = { | |
1046 | .removed = listener_removed, | |
1047 | .data = data, | |
1048 | }, | |
1049 | .func = (ports_connected_func_t) func, | |
1050 | }; | |
1051 | int listener_id; | |
1bf957a0 | 1052 | |
d94d92ac PP |
1053 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); |
1054 | BT_ASSERT_PRE_NON_NULL(func, "Listener"); | |
1055 | BT_ASSERT_PRE_NON_NULL(func, "\"Listener removed\" listener"); | |
1056 | BT_ASSERT_PRE(!graph->in_remove_listener, | |
1057 | "Graph currently executing a \"listener removed\" listener: " | |
1058 | "%!+g", graph); | |
1059 | g_array_append_val(graph->listeners.filter_sink_ports_connected, | |
1060 | listener); | |
1061 | listener_id = graph->listeners.filter_sink_ports_connected->len - 1; | |
3f7d4d90 | 1062 | BT_LIB_LOGD("Added \"filter to sink component ports connected\" listener to graph: " |
d94d92ac PP |
1063 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
1064 | listener_id); | |
1065 | ||
1066 | if (listener_id) { | |
1067 | *out_listener_id = listener_id; | |
1068 | } | |
1069 | ||
d24d5663 | 1070 | return BT_FUNC_STATUS_OK; |
d94d92ac | 1071 | } |
262e5473 | 1072 | |
1bf957a0 | 1073 | BT_HIDDEN |
d24d5663 | 1074 | enum bt_graph_listener_func_status bt_graph_notify_port_added( |
8cc56726 | 1075 | struct bt_graph *graph, struct bt_port *port) |
1bf957a0 | 1076 | { |
d94d92ac PP |
1077 | uint64_t i; |
1078 | GArray *listeners; | |
1079 | struct bt_component *comp; | |
d24d5663 | 1080 | enum bt_graph_listener_func_status status = BT_FUNC_STATUS_OK; |
1bf957a0 | 1081 | |
d94d92ac PP |
1082 | BT_ASSERT(graph); |
1083 | BT_ASSERT(port); | |
3f7d4d90 | 1084 | BT_LIB_LOGD("Notifying graph listeners that a port was added: " |
d94d92ac | 1085 | "%![graph-]+g, %![port-]+p", graph, port); |
0d72b8c3 | 1086 | comp = bt_port_borrow_component_inline(port); |
d94d92ac PP |
1087 | BT_ASSERT(comp); |
1088 | ||
1089 | switch (comp->class->type) { | |
1090 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1091 | { | |
1092 | switch (port->type) { | |
1093 | case BT_PORT_TYPE_OUTPUT: | |
1094 | listeners = graph->listeners.source_output_port_added; | |
1095 | break; | |
1096 | default: | |
1097 | abort(); | |
1098 | } | |
1099 | ||
1100 | break; | |
1101 | } | |
1102 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1103 | { | |
1104 | switch (port->type) { | |
1105 | case BT_PORT_TYPE_INPUT: | |
1106 | listeners = graph->listeners.filter_input_port_added; | |
1107 | break; | |
1108 | case BT_PORT_TYPE_OUTPUT: | |
1109 | listeners = graph->listeners.filter_output_port_added; | |
1110 | break; | |
1111 | default: | |
1112 | abort(); | |
1113 | } | |
262e5473 | 1114 | |
d94d92ac PP |
1115 | break; |
1116 | } | |
1117 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1118 | { | |
1119 | switch (port->type) { | |
1120 | case BT_PORT_TYPE_INPUT: | |
1121 | listeners = graph->listeners.sink_input_port_added; | |
1122 | break; | |
1123 | default: | |
1124 | abort(); | |
1125 | } | |
1bf957a0 | 1126 | |
d94d92ac PP |
1127 | break; |
1128 | } | |
1129 | default: | |
1130 | abort(); | |
1131 | } | |
1132 | ||
1133 | for (i = 0; i < listeners->len; i++) { | |
1134 | struct bt_graph_listener_port_added *listener = | |
1135 | &g_array_index(listeners, | |
1136 | struct bt_graph_listener_port_added, i); | |
1137 | ||
8cc56726 | 1138 | |
d94d92ac | 1139 | BT_ASSERT(listener->func); |
8cc56726 | 1140 | status = listener->func(comp, port, listener->base.data); |
d24d5663 | 1141 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 SM |
1142 | goto end; |
1143 | } | |
1bf957a0 | 1144 | } |
8cc56726 SM |
1145 | |
1146 | end: | |
1147 | return status; | |
1bf957a0 PP |
1148 | } |
1149 | ||
1bf957a0 | 1150 | BT_HIDDEN |
d24d5663 | 1151 | enum bt_graph_listener_func_status bt_graph_notify_ports_connected( |
8cc56726 SM |
1152 | struct bt_graph *graph, struct bt_port *upstream_port, |
1153 | struct bt_port *downstream_port) | |
1bf957a0 | 1154 | { |
d94d92ac PP |
1155 | uint64_t i; |
1156 | GArray *listeners; | |
1157 | struct bt_component *upstream_comp; | |
1158 | struct bt_component *downstream_comp; | |
d24d5663 | 1159 | enum bt_graph_listener_func_status status = BT_FUNC_STATUS_OK; |
1bf957a0 | 1160 | |
d94d92ac PP |
1161 | BT_ASSERT(graph); |
1162 | BT_ASSERT(upstream_port); | |
1163 | BT_ASSERT(downstream_port); | |
3f7d4d90 | 1164 | BT_LIB_LOGD("Notifying graph listeners that ports were connected: " |
d94d92ac PP |
1165 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", |
1166 | graph, upstream_port, downstream_port); | |
0d72b8c3 | 1167 | upstream_comp = bt_port_borrow_component_inline(upstream_port); |
d94d92ac | 1168 | BT_ASSERT(upstream_comp); |
0d72b8c3 | 1169 | downstream_comp = bt_port_borrow_component_inline(downstream_port); |
d94d92ac PP |
1170 | BT_ASSERT(downstream_comp); |
1171 | ||
1172 | switch (upstream_comp->class->type) { | |
1173 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
1174 | { | |
1175 | switch (downstream_comp->class->type) { | |
1176 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1177 | listeners = | |
1178 | graph->listeners.source_filter_ports_connected; | |
1179 | break; | |
1180 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
1181 | listeners = | |
1182 | graph->listeners.source_sink_ports_connected; | |
1183 | break; | |
1184 | default: | |
1185 | abort(); | |
1186 | } | |
262e5473 | 1187 | |
d94d92ac PP |
1188 | break; |
1189 | } | |
1190 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
1191 | { | |
1192 | switch (downstream_comp->class->type) { | |
9c0a126a PP |
1193 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
1194 | listeners = | |
1195 | graph->listeners.filter_filter_ports_connected; | |
1196 | break; | |
d94d92ac PP |
1197 | case BT_COMPONENT_CLASS_TYPE_SINK: |
1198 | listeners = | |
1199 | graph->listeners.filter_sink_ports_connected; | |
1200 | break; | |
1201 | default: | |
1202 | abort(); | |
1203 | } | |
1bf957a0 | 1204 | |
d94d92ac PP |
1205 | break; |
1206 | } | |
1207 | default: | |
1208 | abort(); | |
1209 | } | |
1210 | ||
1211 | for (i = 0; i < listeners->len; i++) { | |
1212 | struct bt_graph_listener_ports_connected *listener = | |
1213 | &g_array_index(listeners, | |
1214 | struct bt_graph_listener_ports_connected, i); | |
1215 | ||
1216 | BT_ASSERT(listener->func); | |
8cc56726 | 1217 | status = listener->func(upstream_comp, downstream_comp, |
d94d92ac | 1218 | upstream_port, downstream_port, listener->base.data); |
d24d5663 | 1219 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 SM |
1220 | goto end; |
1221 | } | |
1bf957a0 | 1222 | } |
8cc56726 SM |
1223 | |
1224 | end: | |
1225 | return status; | |
1bf957a0 PP |
1226 | } |
1227 | ||
f167d3c0 PP |
1228 | BT_HIDDEN |
1229 | void bt_graph_remove_connection(struct bt_graph *graph, | |
1230 | struct bt_connection *connection) | |
1231 | { | |
f6ccaed9 PP |
1232 | BT_ASSERT(graph); |
1233 | BT_ASSERT(connection); | |
3f7d4d90 | 1234 | BT_LIB_LOGD("Removing graph's connection: %![graph-]+g, %![conn-]+x", |
262e5473 | 1235 | graph, connection); |
f167d3c0 PP |
1236 | g_ptr_array_remove(graph->connections, connection); |
1237 | } | |
36712f1d | 1238 | |
d94d92ac PP |
1239 | static inline |
1240 | bool component_name_exists(struct bt_graph *graph, const char *name) | |
1241 | { | |
1242 | bool exists = false; | |
1243 | uint64_t i; | |
1244 | ||
1245 | for (i = 0; i < graph->components->len; i++) { | |
1246 | struct bt_component *other_comp = graph->components->pdata[i]; | |
1247 | ||
1248 | if (strcmp(name, bt_component_get_name(other_comp)) == 0) { | |
1249 | BT_ASSERT_PRE_MSG("Another component with the same name already exists in the graph: " | |
1250 | "%![other-comp-]+c, name=\"%s\"", | |
1251 | other_comp, name); | |
1252 | exists = true; | |
1253 | goto end; | |
1254 | } | |
1255 | } | |
1256 | ||
1257 | end: | |
1258 | return exists; | |
1259 | } | |
1260 | ||
1261 | static | |
d24d5663 | 1262 | int add_component_with_init_method_data( |
0d72b8c3 | 1263 | struct bt_graph *graph, |
d94d92ac PP |
1264 | struct bt_component_class *comp_cls, |
1265 | comp_init_method_t init_method, | |
05e21286 | 1266 | const char *name, const struct bt_value *params, |
e874da19 PP |
1267 | void *init_method_data, bt_logging_level log_level, |
1268 | struct bt_component **user_component) | |
36712f1d | 1269 | { |
d24d5663 PP |
1270 | int status = BT_FUNC_STATUS_OK; |
1271 | enum bt_component_class_init_method_status init_status; | |
36712f1d | 1272 | struct bt_component *component = NULL; |
d94d92ac PP |
1273 | int ret; |
1274 | bool init_can_consume; | |
05e21286 | 1275 | struct bt_value *new_params = NULL; |
36712f1d | 1276 | |
d94d92ac PP |
1277 | BT_ASSERT(comp_cls); |
1278 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1279 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
5badd463 PP |
1280 | BT_ASSERT_PRE( |
1281 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, | |
38cda5da | 1282 | "Graph is not in the \"configuring\" state: %!+g", graph); |
d94d92ac PP |
1283 | BT_ASSERT_PRE(!component_name_exists(graph, name), |
1284 | "Duplicate component name: %!+g, name=\"%s\"", graph, name); | |
1285 | BT_ASSERT_PRE(!params || bt_value_is_map(params), | |
1286 | "Parameter value is not a map value: %!+v", params); | |
4aa7981f | 1287 | init_can_consume = graph->can_consume; |
d94d92ac | 1288 | bt_graph_set_can_consume(graph, false); |
3f7d4d90 | 1289 | BT_LIB_LOGI("Adding component to graph: " |
e874da19 PP |
1290 | "%![graph-]+g, %![cc-]+C, name=\"%s\", log-level=%s, " |
1291 | "%![params-]+v, init-method-data-addr=%p", | |
1292 | graph, comp_cls, name, | |
1293 | bt_common_logging_level_string(log_level), params, | |
1294 | init_method_data); | |
36712f1d | 1295 | |
d94d92ac | 1296 | if (!params) { |
05e21286 PP |
1297 | new_params = bt_value_map_create(); |
1298 | if (!new_params) { | |
870631a2 PP |
1299 | BT_LIB_LOGE_APPEND_CAUSE( |
1300 | "Cannot create empty map value object."); | |
d24d5663 | 1301 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
36712f1d PP |
1302 | goto end; |
1303 | } | |
05e21286 PP |
1304 | |
1305 | params = new_params; | |
36712f1d PP |
1306 | } |
1307 | ||
e874da19 | 1308 | ret = bt_component_create(comp_cls, name, log_level, &component); |
d94d92ac | 1309 | if (ret) { |
870631a2 PP |
1310 | BT_LIB_LOGE_APPEND_CAUSE( |
1311 | "Cannot create empty component object: ret=%d", | |
d94d92ac | 1312 | ret); |
d24d5663 | 1313 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
36712f1d PP |
1314 | goto end; |
1315 | } | |
1316 | ||
1317 | /* | |
1318 | * The user's initialization method needs to see that this | |
1319 | * component is part of the graph. If the user method fails, we | |
1320 | * immediately remove the component from the graph's components. | |
1321 | */ | |
1322 | g_ptr_array_add(graph->components, component); | |
1323 | bt_component_set_graph(component, graph); | |
0d47d31b | 1324 | bt_value_freeze(params); |
36712f1d | 1325 | |
d94d92ac | 1326 | if (init_method) { |
36712f1d | 1327 | BT_LOGD_STR("Calling user's initialization method."); |
d24d5663 | 1328 | init_status = init_method(component, params, init_method_data); |
36712f1d | 1329 | BT_LOGD("User method returned: status=%s", |
d24d5663 PP |
1330 | bt_common_func_status_string(init_status)); |
1331 | if (init_status != BT_FUNC_STATUS_OK) { | |
870631a2 PP |
1332 | if (init_status < 0) { |
1333 | BT_LIB_LOGW_APPEND_CAUSE( | |
1334 | "Component initialization method failed: " | |
1335 | "status=%s, %![comp-]+c", | |
1336 | bt_common_func_status_string(init_status), | |
1337 | component); | |
1338 | } | |
1339 | ||
d24d5663 | 1340 | status = init_status; |
36712f1d PP |
1341 | bt_component_set_graph(component, NULL); |
1342 | g_ptr_array_remove_fast(graph->components, component); | |
1343 | goto end; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | /* | |
1348 | * Mark the component as initialized so that its finalization | |
1349 | * method is called when it is destroyed. | |
1350 | */ | |
1351 | component->initialized = true; | |
1352 | ||
1353 | /* | |
1354 | * If it's a sink component, it needs to be part of the graph's | |
1355 | * sink queue to be consumed by bt_graph_consume(). | |
1356 | */ | |
1357 | if (bt_component_is_sink(component)) { | |
d94d92ac | 1358 | graph->has_sink = true; |
36712f1d PP |
1359 | g_queue_push_tail(graph->sinks_to_consume, component); |
1360 | } | |
1361 | ||
1362 | /* | |
1363 | * Freeze the component class now that it's instantiated at | |
1364 | * least once. | |
1365 | */ | |
1366 | BT_LOGD_STR("Freezing component class."); | |
d94d92ac | 1367 | bt_component_class_freeze(comp_cls); |
3f7d4d90 | 1368 | BT_LIB_LOGI("Added component to graph: " |
e874da19 PP |
1369 | "%![graph-]+g, %![cc-]+C, name=\"%s\", log-level=%s, " |
1370 | "%![params-]+v, init-method-data-addr=%p, %![comp-]+c", | |
1371 | graph, comp_cls, name, | |
1372 | bt_common_logging_level_string(log_level), params, | |
1373 | init_method_data, component); | |
36712f1d PP |
1374 | |
1375 | if (user_component) { | |
1376 | /* Move reference to user */ | |
1377 | *user_component = component; | |
1378 | component = NULL; | |
1379 | } | |
1380 | ||
1381 | end: | |
d24d5663 | 1382 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 | 1383 | bt_graph_make_faulty(graph); |
38cda5da PP |
1384 | } |
1385 | ||
65300d60 | 1386 | bt_object_put_ref(component); |
05e21286 | 1387 | bt_object_put_ref(new_params); |
d94d92ac PP |
1388 | (void) init_can_consume; |
1389 | bt_graph_set_can_consume(graph, init_can_consume); | |
d24d5663 | 1390 | return status; |
36712f1d PP |
1391 | } |
1392 | ||
d24d5663 | 1393 | enum bt_graph_add_component_status |
0d72b8c3 PP |
1394 | bt_graph_add_source_component_with_init_method_data( |
1395 | struct bt_graph *graph, | |
1396 | const struct bt_component_class_source *comp_cls, | |
05e21286 | 1397 | const char *name, const struct bt_value *params, |
e874da19 | 1398 | void *init_method_data, bt_logging_level log_level, |
0d72b8c3 | 1399 | const struct bt_component_source **component) |
d94d92ac PP |
1400 | { |
1401 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); | |
1402 | return add_component_with_init_method_data(graph, | |
1403 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
e874da19 | 1404 | name, params, init_method_data, log_level, (void *) component); |
d94d92ac PP |
1405 | } |
1406 | ||
d24d5663 | 1407 | enum bt_graph_add_component_status bt_graph_add_source_component( |
0d72b8c3 PP |
1408 | struct bt_graph *graph, |
1409 | const struct bt_component_class_source *comp_cls, | |
05e21286 | 1410 | const char *name, const struct bt_value *params, |
e874da19 | 1411 | bt_logging_level log_level, |
0d72b8c3 | 1412 | const struct bt_component_source **component) |
d94d92ac | 1413 | { |
0d72b8c3 | 1414 | return bt_graph_add_source_component_with_init_method_data( |
e874da19 | 1415 | graph, comp_cls, name, params, NULL, log_level, component); |
d94d92ac PP |
1416 | } |
1417 | ||
d24d5663 | 1418 | enum bt_graph_add_component_status |
0d72b8c3 PP |
1419 | bt_graph_add_filter_component_with_init_method_data( |
1420 | struct bt_graph *graph, | |
1421 | const struct bt_component_class_filter *comp_cls, | |
05e21286 | 1422 | const char *name, const struct bt_value *params, |
e874da19 | 1423 | void *init_method_data, bt_logging_level log_level, |
0d72b8c3 | 1424 | const struct bt_component_filter **component) |
d94d92ac PP |
1425 | { |
1426 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); | |
1427 | return add_component_with_init_method_data(graph, | |
1428 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
e874da19 | 1429 | name, params, init_method_data, log_level, (void *) component); |
d94d92ac PP |
1430 | } |
1431 | ||
d24d5663 | 1432 | enum bt_graph_add_component_status bt_graph_add_filter_component( |
0d72b8c3 PP |
1433 | struct bt_graph *graph, |
1434 | const struct bt_component_class_filter *comp_cls, | |
05e21286 | 1435 | const char *name, const struct bt_value *params, |
e874da19 | 1436 | bt_logging_level log_level, |
0d72b8c3 | 1437 | const struct bt_component_filter **component) |
d94d92ac | 1438 | { |
0d72b8c3 | 1439 | return bt_graph_add_filter_component_with_init_method_data( |
e874da19 | 1440 | graph, comp_cls, name, params, NULL, log_level, component); |
d94d92ac PP |
1441 | } |
1442 | ||
d24d5663 | 1443 | enum bt_graph_add_component_status |
0d72b8c3 PP |
1444 | bt_graph_add_sink_component_with_init_method_data( |
1445 | struct bt_graph *graph, | |
1446 | const struct bt_component_class_sink *comp_cls, | |
05e21286 | 1447 | const char *name, const struct bt_value *params, |
e874da19 | 1448 | void *init_method_data, bt_logging_level log_level, |
0d72b8c3 | 1449 | const struct bt_component_sink **component) |
36712f1d | 1450 | { |
d94d92ac PP |
1451 | BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class"); |
1452 | return add_component_with_init_method_data(graph, | |
1453 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
e874da19 | 1454 | name, params, init_method_data, log_level, (void *) component); |
d94d92ac PP |
1455 | } |
1456 | ||
d24d5663 | 1457 | enum bt_graph_add_component_status bt_graph_add_sink_component( |
0d72b8c3 PP |
1458 | struct bt_graph *graph, |
1459 | const struct bt_component_class_sink *comp_cls, | |
05e21286 | 1460 | const char *name, const struct bt_value *params, |
e874da19 | 1461 | bt_logging_level log_level, |
0d72b8c3 | 1462 | const struct bt_component_sink **component) |
d94d92ac | 1463 | { |
0d72b8c3 | 1464 | return bt_graph_add_sink_component_with_init_method_data( |
e874da19 | 1465 | graph, comp_cls, name, params, NULL, log_level, component); |
36712f1d | 1466 | } |
8ed535b5 PP |
1467 | |
1468 | BT_HIDDEN | |
1469 | int bt_graph_remove_unconnected_component(struct bt_graph *graph, | |
1470 | struct bt_component *component) | |
1471 | { | |
d94d92ac PP |
1472 | bool init_can_consume; |
1473 | uint64_t count; | |
8ed535b5 PP |
1474 | uint64_t i; |
1475 | int ret = 0; | |
1476 | ||
f6ccaed9 PP |
1477 | BT_ASSERT(graph); |
1478 | BT_ASSERT(component); | |
3fea54f6 | 1479 | BT_ASSERT(component->base.ref_count == 0); |
f6ccaed9 | 1480 | BT_ASSERT(bt_component_borrow_graph(component) == graph); |
8ed535b5 | 1481 | |
4aa7981f | 1482 | init_can_consume = graph->can_consume; |
8ed535b5 PP |
1483 | count = bt_component_get_input_port_count(component); |
1484 | ||
1485 | for (i = 0; i < count; i++) { | |
d94d92ac PP |
1486 | struct bt_port *port = (void *) |
1487 | bt_component_borrow_input_port_by_index(component, i); | |
8ed535b5 | 1488 | |
f6ccaed9 | 1489 | BT_ASSERT(port); |
8ed535b5 PP |
1490 | |
1491 | if (bt_port_is_connected(port)) { | |
870631a2 PP |
1492 | BT_LIB_LOGW_APPEND_CAUSE( |
1493 | "Cannot remove component from graph: " | |
8ed535b5 | 1494 | "an input port is connected: " |
d94d92ac PP |
1495 | "%![graph-]+g, %![comp-]+c, %![port-]+p", |
1496 | graph, component, port); | |
8ed535b5 PP |
1497 | goto error; |
1498 | } | |
1499 | } | |
1500 | ||
1501 | count = bt_component_get_output_port_count(component); | |
1502 | ||
1503 | for (i = 0; i < count; i++) { | |
d94d92ac PP |
1504 | struct bt_port *port = (void *) |
1505 | bt_component_borrow_output_port_by_index(component, i); | |
8ed535b5 | 1506 | |
f6ccaed9 | 1507 | BT_ASSERT(port); |
8ed535b5 PP |
1508 | |
1509 | if (bt_port_is_connected(port)) { | |
870631a2 PP |
1510 | BT_LIB_LOGW_APPEND_CAUSE( |
1511 | "Cannot remove component from graph: " | |
8ed535b5 | 1512 | "an output port is connected: " |
d94d92ac PP |
1513 | "%![graph-]+g, %![comp-]+c, %![port-]+p", |
1514 | graph, component, port); | |
8ed535b5 PP |
1515 | goto error; |
1516 | } | |
1517 | } | |
1518 | ||
d94d92ac | 1519 | bt_graph_set_can_consume(graph, false); |
8ed535b5 PP |
1520 | |
1521 | /* Possibly remove from sinks to consume */ | |
1522 | (void) g_queue_remove(graph->sinks_to_consume, component); | |
1523 | ||
1524 | if (graph->sinks_to_consume->length == 0) { | |
d94d92ac | 1525 | graph->has_sink = false; |
8ed535b5 PP |
1526 | } |
1527 | ||
1528 | /* | |
3fea54f6 PP |
1529 | * This calls bt_object_try_spec_release() on the component, and |
1530 | * since its reference count is 0, its destructor is called. Its | |
8ed535b5 PP |
1531 | * destructor calls the user's finalization method (if set). |
1532 | */ | |
1533 | g_ptr_array_remove(graph->components, component); | |
1534 | goto end; | |
1535 | ||
1536 | error: | |
1537 | ret = -1; | |
1538 | ||
1539 | end: | |
d94d92ac PP |
1540 | (void) init_can_consume; |
1541 | bt_graph_set_can_consume(graph, init_can_consume); | |
8ed535b5 PP |
1542 | return ret; |
1543 | } | |
5c563278 PP |
1544 | |
1545 | BT_HIDDEN | |
d6e69534 PP |
1546 | void bt_graph_add_message(struct bt_graph *graph, |
1547 | struct bt_message *msg) | |
5c563278 PP |
1548 | { |
1549 | BT_ASSERT(graph); | |
d6e69534 | 1550 | BT_ASSERT(msg); |
5c563278 PP |
1551 | |
1552 | /* | |
1553 | * It's okay not to take a reference because, when a | |
d6e69534 | 1554 | * message's reference count drops to 0, either: |
5c563278 PP |
1555 | * |
1556 | * * It is recycled back to one of this graph's pool. | |
1557 | * * It is destroyed because it doesn't have any link to any | |
1558 | * graph, which means the original graph is already destroyed. | |
1559 | */ | |
d6e69534 | 1560 | g_ptr_array_add(graph->messages, msg); |
5c563278 | 1561 | } |
c5b9b441 | 1562 | |
9b4f9b42 PP |
1563 | BT_HIDDEN |
1564 | bool bt_graph_is_interrupted(const struct bt_graph *graph) | |
1565 | { | |
1566 | BT_ASSERT(graph); | |
1567 | return bt_interrupter_array_any_is_set(graph->interrupters); | |
1568 | } | |
1569 | ||
1570 | enum bt_graph_add_interrupter_status bt_graph_add_interrupter( | |
1571 | struct bt_graph *graph, const struct bt_interrupter *intr) | |
1572 | { | |
1573 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1574 | BT_ASSERT_PRE_NON_NULL(intr, "Interrupter"); | |
1575 | g_ptr_array_add(graph->interrupters, (void *) intr); | |
1576 | bt_object_get_no_null_check(intr); | |
1577 | BT_LIB_LOGD("Added interrupter to graph: %![graph-]+g, %![intr-]+z", | |
1578 | graph, intr); | |
1579 | return BT_FUNC_STATUS_OK; | |
1580 | } | |
1581 | ||
1582 | void bt_graph_interrupt(struct bt_graph *graph) | |
1583 | { | |
1584 | BT_ASSERT_PRE_NON_NULL(graph, "Graph"); | |
1585 | bt_interrupter_set(graph->default_interrupter); | |
1586 | BT_LIB_LOGI("Interrupted graph: %!+g", graph); | |
1587 | } | |
1588 | ||
c5b9b441 PP |
1589 | void bt_graph_get_ref(const struct bt_graph *graph) |
1590 | { | |
1591 | bt_object_get_ref(graph); | |
1592 | } | |
1593 | ||
1594 | void bt_graph_put_ref(const struct bt_graph *graph) | |
1595 | { | |
1596 | bt_object_put_ref(graph); | |
1597 | } |