Commit | Line | Data |
---|---|---|
c0418dd9 | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
e2f7325d | 4 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
f60c8b34 | 5 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
c0418dd9 JG |
6 | */ |
7 | ||
350ad6c1 | 8 | #define BT_LOG_TAG "LIB/GRAPH" |
c2d9d9cf | 9 | #include "lib/logging.h" |
262e5473 | 10 | |
578e048b | 11 | #include "common/assert.h" |
d98421f2 | 12 | #include "lib/assert-cond.h" |
3fadfbc0 | 13 | #include <babeltrace2/graph/graph.h> |
43c59509 PP |
14 | #include <babeltrace2/graph/component.h> |
15 | #include <babeltrace2/graph/port.h> | |
578e048b MJ |
16 | #include "lib/graph/message/message.h" |
17 | #include "compat/compiler.h" | |
18 | #include "common/common.h" | |
3fadfbc0 MJ |
19 | #include <babeltrace2/types.h> |
20 | #include <babeltrace2/value.h> | |
578e048b | 21 | #include "lib/value.h" |
f60c8b34 | 22 | #include <unistd.h> |
c4f23e30 | 23 | #include <stdbool.h> |
1bf957a0 PP |
24 | #include <glib.h> |
25 | ||
078033ed | 26 | #include "component-class-sink-simple.h" |
578e048b MJ |
27 | #include "component.h" |
28 | #include "component-sink.h" | |
29 | #include "connection.h" | |
30 | #include "graph.h" | |
9b4f9b42 | 31 | #include "interrupter.h" |
578e048b MJ |
32 | #include "message/event.h" |
33 | #include "message/packet.h" | |
34 | ||
d24d5663 PP |
35 | typedef enum bt_graph_listener_func_status |
36 | (*port_added_func_t)(const void *, const void *, void *); | |
0d72b8c3 | 37 | |
21a9f056 | 38 | typedef enum bt_component_class_initialize_method_status |
59225a3e | 39 | (*comp_init_method_t)(const void *, void *, const void *, void *); |
d24d5663 | 40 | |
d94d92ac | 41 | struct bt_graph_listener_port_added { |
d94d92ac | 42 | port_added_func_t func; |
f3d6b4c2 | 43 | void *data; |
d94d92ac | 44 | }; |
8cc092c9 | 45 | |
d94d92ac PP |
46 | #define INIT_LISTENERS_ARRAY(_type, _listeners) \ |
47 | do { \ | |
48 | _listeners = g_array_new(FALSE, TRUE, sizeof(_type)); \ | |
49 | if (!(_listeners)) { \ | |
870631a2 PP |
50 | BT_LIB_LOGE_APPEND_CAUSE( \ |
51 | "Failed to allocate one GArray."); \ | |
d94d92ac PP |
52 | } \ |
53 | } while (0) | |
54 | ||
f60c8b34 | 55 | static |
d94d92ac | 56 | void destroy_graph(struct bt_object *obj) |
c0418dd9 | 57 | { |
0d72b8c3 | 58 | struct bt_graph *graph = container_of(obj, struct bt_graph, base); |
c0418dd9 | 59 | |
bd14d768 PP |
60 | /* |
61 | * The graph's reference count is 0 if we're here. Increment | |
62 | * it to avoid a double-destroy (possibly infinitely recursive) | |
63 | * in this situation: | |
64 | * | |
65 | * 1. We put and destroy a connection. | |
d0fea130 PP |
66 | * 2. This connection's destructor finalizes its active message |
67 | * iterators. | |
68 | * 3. A message iterator's finalization function gets a new | |
69 | * reference on its component (reference count goes from 0 to | |
70 | * 1). | |
bd14d768 PP |
71 | * 4. Since this component's reference count goes to 1, it takes |
72 | * a reference on its parent (this graph). This graph's | |
73 | * reference count goes from 0 to 1. | |
d6e69534 | 74 | * 5. The message iterator's finalization function puts its |
bd14d768 PP |
75 | * component reference (reference count goes from 1 to 0). |
76 | * 6. Since this component's reference count goes from 1 to 0, | |
77 | * it puts its parent (this graph). This graph's reference | |
78 | * count goes from 1 to 0. | |
d0fea130 PP |
79 | * 7. Since this graph's reference count goes from 1 to 0, its |
80 | * destructor is called (this function). | |
bd14d768 PP |
81 | * |
82 | * With the incrementation below, the graph's reference count at | |
83 | * step 4 goes from 1 to 2, and from 2 to 1 at step 6. This | |
84 | * ensures that this function is not called two times. | |
85 | */ | |
3f7d4d90 | 86 | BT_LIB_LOGI("Destroying graph: %!+g", graph); |
3fea54f6 | 87 | obj->ref_count++; |
9b4f9b42 | 88 | graph->config_state = BT_GRAPH_CONFIGURATION_STATE_DESTROYING; |
49682acd | 89 | |
d6e69534 PP |
90 | if (graph->messages) { |
91 | g_ptr_array_free(graph->messages, TRUE); | |
92 | graph->messages = NULL; | |
5c563278 PP |
93 | } |
94 | ||
c0418dd9 | 95 | if (graph->connections) { |
262e5473 | 96 | BT_LOGD_STR("Destroying connections."); |
c0418dd9 | 97 | g_ptr_array_free(graph->connections, TRUE); |
d94d92ac | 98 | graph->connections = NULL; |
c0418dd9 | 99 | } |
5c563278 | 100 | |
bd14d768 | 101 | if (graph->components) { |
262e5473 | 102 | BT_LOGD_STR("Destroying components."); |
bd14d768 | 103 | g_ptr_array_free(graph->components, TRUE); |
d94d92ac | 104 | graph->components = NULL; |
bd14d768 | 105 | } |
5c563278 | 106 | |
9b4f9b42 PP |
107 | if (graph->interrupters) { |
108 | BT_LOGD_STR("Putting interrupters."); | |
109 | g_ptr_array_free(graph->interrupters, TRUE); | |
110 | graph->interrupters = NULL; | |
111 | } | |
112 | ||
113 | BT_OBJECT_PUT_REF_AND_RESET(graph->default_interrupter); | |
114 | ||
f60c8b34 JG |
115 | if (graph->sinks_to_consume) { |
116 | g_queue_free(graph->sinks_to_consume); | |
d94d92ac PP |
117 | graph->sinks_to_consume = NULL; |
118 | } | |
119 | ||
120 | if (graph->listeners.source_output_port_added) { | |
121 | g_array_free(graph->listeners.source_output_port_added, TRUE); | |
122 | graph->listeners.source_output_port_added = NULL; | |
123 | } | |
124 | ||
125 | if (graph->listeners.filter_output_port_added) { | |
126 | g_array_free(graph->listeners.filter_output_port_added, TRUE); | |
127 | graph->listeners.filter_output_port_added = NULL; | |
128 | } | |
129 | ||
130 | if (graph->listeners.filter_input_port_added) { | |
131 | g_array_free(graph->listeners.filter_input_port_added, TRUE); | |
132 | graph->listeners.filter_input_port_added = NULL; | |
c0418dd9 | 133 | } |
1bf957a0 | 134 | |
d94d92ac PP |
135 | if (graph->listeners.sink_input_port_added) { |
136 | g_array_free(graph->listeners.sink_input_port_added, TRUE); | |
137 | graph->listeners.sink_input_port_added = NULL; | |
1bf957a0 PP |
138 | } |
139 | ||
d6e69534 PP |
140 | bt_object_pool_finalize(&graph->event_msg_pool); |
141 | bt_object_pool_finalize(&graph->packet_begin_msg_pool); | |
142 | bt_object_pool_finalize(&graph->packet_end_msg_pool); | |
c0418dd9 JG |
143 | g_free(graph); |
144 | } | |
145 | ||
5c563278 | 146 | static |
d6e69534 | 147 | void destroy_message_event(struct bt_message *msg, |
ecd7492f | 148 | struct bt_graph *graph __attribute__((unused))) |
5c563278 | 149 | { |
d6e69534 | 150 | bt_message_event_destroy(msg); |
5c563278 PP |
151 | } |
152 | ||
153 | static | |
d6e69534 | 154 | void destroy_message_packet_begin(struct bt_message *msg, |
ecd7492f | 155 | struct bt_graph *graph __attribute__((unused))) |
5c563278 | 156 | { |
5df26c89 | 157 | bt_message_packet_destroy(msg); |
5c563278 PP |
158 | } |
159 | ||
160 | static | |
d6e69534 | 161 | void destroy_message_packet_end(struct bt_message *msg, |
ecd7492f | 162 | struct bt_graph *graph __attribute__((unused))) |
5c563278 | 163 | { |
5df26c89 | 164 | bt_message_packet_destroy(msg); |
5c563278 PP |
165 | } |
166 | ||
167 | static | |
d6e69534 | 168 | void notify_message_graph_is_destroyed(struct bt_message *msg) |
5c563278 | 169 | { |
d6e69534 | 170 | bt_message_unlink_graph(msg); |
5c563278 PP |
171 | } |
172 | ||
1353b066 | 173 | BT_EXPORT |
056deb59 | 174 | struct bt_graph *bt_graph_create(uint64_t mip_version) |
c0418dd9 | 175 | { |
f60c8b34 | 176 | struct bt_graph *graph; |
1bf957a0 | 177 | int ret; |
c0418dd9 | 178 | |
17f3083a | 179 | BT_ASSERT_PRE_NO_ERROR(); |
1778c2a4 PP |
180 | BT_ASSERT_PRE("valid-mip-version", |
181 | mip_version <= bt_get_maximal_mip_version(), | |
056deb59 PP |
182 | "Unknown MIP version: mip-version=%" PRIu64 ", " |
183 | "max-mip-version=%" PRIu64, | |
184 | mip_version, bt_get_maximal_mip_version()); | |
3f7d4d90 | 185 | BT_LOGI_STR("Creating graph object."); |
f60c8b34 | 186 | graph = g_new0(struct bt_graph, 1); |
c0418dd9 | 187 | if (!graph) { |
870631a2 | 188 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one graph."); |
c0418dd9 JG |
189 | goto end; |
190 | } | |
191 | ||
d94d92ac | 192 | bt_object_init_shared(&graph->base, destroy_graph); |
056deb59 | 193 | graph->mip_version = mip_version; |
3fea54f6 PP |
194 | graph->connections = g_ptr_array_new_with_free_func( |
195 | (GDestroyNotify) bt_object_try_spec_release); | |
c0418dd9 | 196 | if (!graph->connections) { |
870631a2 | 197 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
c0418dd9 JG |
198 | goto error; |
199 | } | |
3fea54f6 PP |
200 | graph->components = g_ptr_array_new_with_free_func( |
201 | (GDestroyNotify) bt_object_try_spec_release); | |
f60c8b34 | 202 | if (!graph->components) { |
870631a2 | 203 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
f60c8b34 JG |
204 | goto error; |
205 | } | |
206 | graph->sinks_to_consume = g_queue_new(); | |
207 | if (!graph->sinks_to_consume) { | |
870631a2 | 208 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GQueue."); |
c0418dd9 JG |
209 | goto error; |
210 | } | |
1bf957a0 | 211 | |
d94d92ac PP |
212 | bt_graph_set_can_consume(graph, true); |
213 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, | |
214 | graph->listeners.source_output_port_added); | |
215 | ||
216 | if (!graph->listeners.source_output_port_added) { | |
1bf957a0 PP |
217 | goto error; |
218 | } | |
219 | ||
d94d92ac PP |
220 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
221 | graph->listeners.filter_output_port_added); | |
222 | ||
223 | if (!graph->listeners.filter_output_port_added) { | |
1bf957a0 PP |
224 | goto error; |
225 | } | |
226 | ||
d94d92ac PP |
227 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
228 | graph->listeners.filter_input_port_added); | |
229 | ||
230 | if (!graph->listeners.filter_input_port_added) { | |
1bf957a0 PP |
231 | goto error; |
232 | } | |
233 | ||
d94d92ac PP |
234 | INIT_LISTENERS_ARRAY(struct bt_graph_listener_port_added, |
235 | graph->listeners.sink_input_port_added); | |
236 | ||
237 | if (!graph->listeners.sink_input_port_added) { | |
d94d92ac PP |
238 | goto error; |
239 | } | |
240 | ||
9b4f9b42 | 241 | graph->interrupters = g_ptr_array_new_with_free_func( |
6871026b | 242 | (GDestroyNotify) bt_object_put_ref_no_null_check); |
9b4f9b42 PP |
243 | if (!graph->interrupters) { |
244 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); | |
245 | goto error; | |
246 | } | |
247 | ||
248 | graph->default_interrupter = bt_interrupter_create(); | |
249 | if (!graph->default_interrupter) { | |
250 | BT_LIB_LOGE_APPEND_CAUSE( | |
251 | "Failed to create one interrupter object."); | |
252 | goto error; | |
253 | } | |
254 | ||
255 | bt_graph_add_interrupter(graph, graph->default_interrupter); | |
d6e69534 PP |
256 | ret = bt_object_pool_initialize(&graph->event_msg_pool, |
257 | (bt_object_pool_new_object_func) bt_message_event_new, | |
258 | (bt_object_pool_destroy_object_func) destroy_message_event, | |
5c563278 PP |
259 | graph); |
260 | if (ret) { | |
870631a2 PP |
261 | BT_LIB_LOGE_APPEND_CAUSE( |
262 | "Failed to initialize event message pool: ret=%d", | |
5c563278 PP |
263 | ret); |
264 | goto error; | |
265 | } | |
266 | ||
d6e69534 PP |
267 | ret = bt_object_pool_initialize(&graph->packet_begin_msg_pool, |
268 | (bt_object_pool_new_object_func) bt_message_packet_beginning_new, | |
269 | (bt_object_pool_destroy_object_func) destroy_message_packet_begin, | |
5c563278 PP |
270 | graph); |
271 | if (ret) { | |
870631a2 PP |
272 | BT_LIB_LOGE_APPEND_CAUSE( |
273 | "Failed to initialize packet beginning message pool: ret=%d", | |
5c563278 PP |
274 | ret); |
275 | goto error; | |
276 | } | |
277 | ||
d6e69534 PP |
278 | ret = bt_object_pool_initialize(&graph->packet_end_msg_pool, |
279 | (bt_object_pool_new_object_func) bt_message_packet_end_new, | |
280 | (bt_object_pool_destroy_object_func) destroy_message_packet_end, | |
5c563278 PP |
281 | graph); |
282 | if (ret) { | |
870631a2 PP |
283 | BT_LIB_LOGE_APPEND_CAUSE( |
284 | "Failed to initialize packet end message pool: ret=%d", | |
5c563278 PP |
285 | ret); |
286 | goto error; | |
287 | } | |
288 | ||
d6e69534 PP |
289 | graph->messages = g_ptr_array_new_with_free_func( |
290 | (GDestroyNotify) notify_message_graph_is_destroyed); | |
3f7d4d90 | 291 | BT_LIB_LOGI("Created graph object: %!+g", graph); |
262e5473 | 292 | |
c0418dd9 | 293 | end: |
a2d06fd5 | 294 | return (void *) graph; |
d94d92ac | 295 | |
c0418dd9 | 296 | error: |
65300d60 | 297 | BT_OBJECT_PUT_REF_AND_RESET(graph); |
c0418dd9 JG |
298 | goto end; |
299 | } | |
300 | ||
1353b066 | 301 | BT_EXPORT |
d24d5663 | 302 | enum bt_graph_connect_ports_status bt_graph_connect_ports( |
0d72b8c3 PP |
303 | struct bt_graph *graph, |
304 | const struct bt_port_output *upstream_port_out, | |
305 | const struct bt_port_input *downstream_port_in, | |
306 | const struct bt_connection **user_connection) | |
f60c8b34 | 307 | { |
d24d5663 | 308 | enum bt_graph_connect_ports_status status = BT_FUNC_STATUS_OK; |
f60c8b34 | 309 | struct bt_connection *connection = NULL; |
d94d92ac PP |
310 | struct bt_port *upstream_port = (void *) upstream_port_out; |
311 | struct bt_port *downstream_port = (void *) downstream_port_in; | |
f60c8b34 JG |
312 | struct bt_component *upstream_component = NULL; |
313 | struct bt_component *downstream_component = NULL; | |
d24d5663 | 314 | enum bt_component_class_port_connected_method_status port_connected_status; |
d94d92ac | 315 | bool init_can_consume; |
f60c8b34 | 316 | |
17f3083a | 317 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b | 318 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
1778c2a4 PP |
319 | BT_ASSERT_PRE_NON_NULL("upstream-port", upstream_port, "Upstream port"); |
320 | BT_ASSERT_PRE_NON_NULL("downstream-port", downstream_port, | |
321 | "Downstream port port"); | |
322 | BT_ASSERT_PRE("graph-is-not-configured", | |
5badd463 | 323 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, |
38cda5da | 324 | "Graph is not in the \"configuring\" state: %!+g", graph); |
1778c2a4 PP |
325 | BT_ASSERT_PRE("upstream-port-is-not-connected", |
326 | !bt_port_is_connected(upstream_port), | |
d94d92ac | 327 | "Upstream port is already connected: %!+p", upstream_port); |
1778c2a4 PP |
328 | BT_ASSERT_PRE("downstream-port-is-not-connected", |
329 | !bt_port_is_connected(downstream_port), | |
d94d92ac | 330 | "Downstream port is already connected: %!+p", downstream_port); |
1778c2a4 PP |
331 | BT_ASSERT_PRE("upstream-port-has-component", |
332 | bt_port_borrow_component_inline((void *) upstream_port), | |
d94d92ac PP |
333 | "Upstream port does not belong to a component: %!+p", |
334 | upstream_port); | |
1778c2a4 PP |
335 | BT_ASSERT_PRE("downstream-port-has-component", |
336 | bt_port_borrow_component_inline((void *) downstream_port), | |
d94d92ac PP |
337 | "Downstream port does not belong to a component: %!+p", |
338 | downstream_port); | |
4aa7981f | 339 | init_can_consume = graph->can_consume; |
3f7d4d90 | 340 | BT_LIB_LOGI("Connecting component ports within graph: " |
d94d92ac PP |
341 | "%![graph-]+g, %![up-port-]+p, %![down-port-]+p", |
342 | graph, upstream_port, downstream_port); | |
343 | bt_graph_set_can_consume(graph, false); | |
0d72b8c3 | 344 | upstream_component = bt_port_borrow_component_inline( |
d94d92ac | 345 | (void *) upstream_port); |
0d72b8c3 | 346 | downstream_component = bt_port_borrow_component_inline( |
d94d92ac | 347 | (void *) downstream_port); |
262e5473 | 348 | |
262e5473 | 349 | BT_LOGD_STR("Creating connection."); |
d94d92ac PP |
350 | connection = bt_connection_create(graph, (void *) upstream_port, |
351 | (void *) downstream_port); | |
f60c8b34 | 352 | if (!connection) { |
870631a2 | 353 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create connection object."); |
d24d5663 | 354 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
a256a42d | 355 | goto end; |
f60c8b34 JG |
356 | } |
357 | ||
d94d92ac | 358 | BT_LIB_LOGD("Connection object created: %!+x", connection); |
262e5473 | 359 | |
f60c8b34 | 360 | /* |
72b913fb PP |
361 | * Ownership of upstream_component/downstream_component and of |
362 | * the connection object is transferred to the graph. | |
f60c8b34 JG |
363 | */ |
364 | g_ptr_array_add(graph->connections, connection); | |
ffeb0eed | 365 | |
f60c8b34 | 366 | /* |
0d8b4d8e | 367 | * Notify both components that their port is connected. |
f60c8b34 | 368 | */ |
d94d92ac PP |
369 | BT_LIB_LOGD("Notifying upstream component that its port is connected: " |
370 | "%![comp-]+c, %![port-]+p", upstream_component, upstream_port); | |
d24d5663 | 371 | port_connected_status = bt_component_port_connected(upstream_component, |
d94d92ac | 372 | (void *) upstream_port, (void *) downstream_port); |
d24d5663 | 373 | if (port_connected_status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
374 | if (port_connected_status < 0) { |
375 | BT_LIB_LOGW_APPEND_CAUSE( | |
376 | "Upstream component's \"port connected\" method failed: " | |
377 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
378 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
379 | bt_common_func_status_string( | |
380 | port_connected_status), | |
381 | graph, upstream_component, downstream_component, | |
382 | upstream_port, downstream_port); | |
383 | } | |
384 | ||
bf55043c | 385 | bt_connection_end(connection, true); |
d24d5663 | 386 | status = (int) port_connected_status; |
bf55043c PP |
387 | goto end; |
388 | } | |
389 | ||
85031ceb | 390 | connection->notified_upstream_port_connected = true; |
d94d92ac PP |
391 | BT_LIB_LOGD("Notifying downstream component that its port is connected: " |
392 | "%![comp-]+c, %![port-]+p", downstream_component, | |
393 | downstream_port); | |
d24d5663 | 394 | port_connected_status = bt_component_port_connected(downstream_component, |
d94d92ac | 395 | (void *) downstream_port, (void *) upstream_port); |
d24d5663 | 396 | if (port_connected_status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
397 | if (port_connected_status < 0) { |
398 | BT_LIB_LOGW_APPEND_CAUSE( | |
399 | "Downstream component's \"port connected\" method failed: " | |
400 | "status=%s, %![graph-]+g, %![up-comp-]+c, " | |
401 | "%![down-comp-]+c, %![up-port-]+p, %![down-port-]+p", | |
402 | bt_common_func_status_string( | |
403 | port_connected_status), | |
404 | graph, upstream_component, downstream_component, | |
405 | upstream_port, downstream_port); | |
406 | } | |
407 | ||
bf55043c | 408 | bt_connection_end(connection, true); |
d24d5663 | 409 | status = (int) port_connected_status; |
bf55043c PP |
410 | goto end; |
411 | } | |
412 | ||
85031ceb | 413 | connection->notified_downstream_port_connected = true; |
1bf957a0 | 414 | |
3f7d4d90 | 415 | BT_LIB_LOGI("Connected component ports within graph: " |
d94d92ac PP |
416 | "%![graph-]+g, %![up-comp-]+c, %![down-comp-]+c, " |
417 | "%![up-port-]+p, %![down-port-]+p", | |
418 | graph, upstream_component, downstream_component, | |
419 | upstream_port, downstream_port); | |
1bf957a0 | 420 | |
a256a42d | 421 | if (user_connection) { |
1a6a376a PP |
422 | /* Move reference to user */ |
423 | *user_connection = connection; | |
a256a42d PP |
424 | } |
425 | ||
f60c8b34 | 426 | end: |
d24d5663 | 427 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 | 428 | bt_graph_make_faulty(graph); |
38cda5da PP |
429 | } |
430 | ||
65300d60 | 431 | bt_object_put_ref(connection); |
d94d92ac PP |
432 | (void) init_can_consume; |
433 | bt_graph_set_can_consume(graph, init_can_consume); | |
a256a42d | 434 | return status; |
f60c8b34 JG |
435 | } |
436 | ||
1778c2a4 PP |
437 | #define CONSUME_METHOD_NAME "bt_component_class_sink_consume_method" |
438 | ||
ad847455 | 439 | static inline |
d24d5663 | 440 | int consume_graph_sink(struct bt_component_sink *comp) |
c0418dd9 | 441 | { |
d24d5663 | 442 | enum bt_component_class_sink_consume_method_status consume_status; |
d94d92ac PP |
443 | struct bt_component_class_sink *sink_class = NULL; |
444 | ||
98b15851 | 445 | BT_ASSERT_DBG(comp); |
d94d92ac | 446 | sink_class = (void *) comp->parent.class; |
98b15851 | 447 | BT_ASSERT_DBG(sink_class->methods.consume); |
d94d92ac | 448 | BT_LIB_LOGD("Calling user's consume method: %!+c", comp); |
d24d5663 | 449 | consume_status = sink_class->methods.consume((void *) comp); |
d94d92ac | 450 | BT_LOGD("User method returned: status=%s", |
d24d5663 | 451 | bt_common_func_status_string(consume_status)); |
1778c2a4 PP |
452 | BT_ASSERT_POST_DEV(CONSUME_METHOD_NAME, "valid-status", |
453 | consume_status == BT_FUNC_STATUS_OK || | |
d24d5663 PP |
454 | consume_status == BT_FUNC_STATUS_END || |
455 | consume_status == BT_FUNC_STATUS_AGAIN || | |
456 | consume_status == BT_FUNC_STATUS_ERROR || | |
457 | consume_status == BT_FUNC_STATUS_MEMORY_ERROR, | |
d94d92ac | 458 | "Invalid component status returned by consuming method: " |
d24d5663 | 459 | "status=%s", bt_common_func_status_string(consume_status)); |
1778c2a4 PP |
460 | BT_ASSERT_POST_DEV_NO_ERROR_IF_NO_ERROR_STATUS(CONSUME_METHOD_NAME, |
461 | consume_status); | |
870631a2 PP |
462 | if (consume_status) { |
463 | if (consume_status < 0) { | |
464 | BT_LIB_LOGW_APPEND_CAUSE( | |
465 | "Component's \"consume\" method failed: " | |
466 | "status=%s, %![comp-]+c", | |
467 | bt_common_func_status_string(consume_status), | |
468 | comp); | |
469 | } | |
470 | ||
d94d92ac PP |
471 | goto end; |
472 | } | |
473 | ||
3f7d4d90 | 474 | BT_LIB_LOGD("Consumed from sink: %![comp-]+c, status=%s", |
d24d5663 | 475 | comp, bt_common_func_status_string(consume_status)); |
d94d92ac PP |
476 | |
477 | end: | |
d24d5663 | 478 | return consume_status; |
8ed535b5 PP |
479 | } |
480 | ||
481 | /* | |
482 | * `node` is removed from the queue of sinks to consume when passed to | |
483 | * this function. This function adds it back to the queue if there's | |
484 | * still something to consume afterwards. | |
485 | */ | |
ad847455 | 486 | static inline |
d24d5663 | 487 | int consume_sink_node(struct bt_graph *graph, GList *node) |
8ed535b5 | 488 | { |
d24d5663 | 489 | int status; |
d94d92ac | 490 | struct bt_component_sink *sink; |
8ed535b5 PP |
491 | |
492 | sink = node->data; | |
493 | status = consume_graph_sink(sink); | |
d24d5663 | 494 | if (G_UNLIKELY(status != BT_FUNC_STATUS_END)) { |
8ed535b5 | 495 | g_queue_push_tail_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
496 | goto end; |
497 | } | |
498 | ||
499 | /* End reached, the node is not added back to the queue and free'd. */ | |
8ed535b5 | 500 | g_queue_delete_link(graph->sinks_to_consume, node); |
f60c8b34 JG |
501 | |
502 | /* Don't forward an END status if there are sinks left to consume. */ | |
503 | if (!g_queue_is_empty(graph->sinks_to_consume)) { | |
d24d5663 | 504 | status = BT_FUNC_STATUS_OK; |
f60c8b34 JG |
505 | goto end; |
506 | } | |
8ed535b5 PP |
507 | |
508 | end: | |
3f7d4d90 | 509 | BT_LIB_LOGD("Consumed sink node: %![comp-]+c, status=%s", |
d24d5663 | 510 | sink, bt_common_func_status_string(status)); |
8ed535b5 PP |
511 | return status; |
512 | } | |
513 | ||
d24d5663 | 514 | int bt_graph_consume_sink_no_check(struct bt_graph *graph, |
d94d92ac | 515 | struct bt_component_sink *sink) |
8ed535b5 | 516 | { |
d24d5663 | 517 | int status; |
8ed535b5 PP |
518 | GList *sink_node; |
519 | int index; | |
520 | ||
3f7d4d90 | 521 | BT_LIB_LOGD("Making specific sink consume: %![comp-]+c", sink); |
98b15851 | 522 | BT_ASSERT_DBG(bt_component_borrow_graph((void *) sink) == graph); |
8ed535b5 PP |
523 | |
524 | if (g_queue_is_empty(graph->sinks_to_consume)) { | |
3f7d4d90 | 525 | BT_LOGD_STR("Graph's sink queue is empty: end of graph."); |
d24d5663 | 526 | status = BT_FUNC_STATUS_END; |
8ed535b5 PP |
527 | goto end; |
528 | } | |
529 | ||
530 | index = g_queue_index(graph->sinks_to_consume, sink); | |
531 | if (index < 0) { | |
3f7d4d90 PP |
532 | BT_LIB_LOGD("Sink component is not marked as consumable: " |
533 | "component sink is ended: %![comp-]+c", sink); | |
d24d5663 | 534 | status = BT_FUNC_STATUS_END; |
8ed535b5 PP |
535 | goto end; |
536 | } | |
537 | ||
538 | sink_node = g_queue_pop_nth_link(graph->sinks_to_consume, index); | |
98b15851 | 539 | BT_ASSERT_DBG(sink_node); |
8ed535b5 PP |
540 | status = consume_sink_node(graph, sink_node); |
541 | ||
542 | end: | |
543 | return status; | |
544 | } | |
545 | ||
ad847455 | 546 | static inline |
1778c2a4 | 547 | int consume_no_check(struct bt_graph *graph, const char *api_func) |
8ed535b5 | 548 | { |
d24d5663 | 549 | int status = BT_FUNC_STATUS_OK; |
8ed535b5 PP |
550 | struct bt_component *sink; |
551 | GList *current_node; | |
552 | ||
1778c2a4 PP |
553 | BT_ASSERT_PRE_DEV_FROM_FUNC(api_func, |
554 | "graph-has-at-least-one-sink-component", graph->has_sink, | |
f6ccaed9 | 555 | "Graph has no sink component: %!+g", graph); |
3f7d4d90 | 556 | BT_LIB_LOGD("Making next sink component consume: %![graph-]+g", graph); |
8ed535b5 | 557 | |
91d81473 | 558 | if (G_UNLIKELY(g_queue_is_empty(graph->sinks_to_consume))) { |
3f7d4d90 | 559 | BT_LOGD_STR("Graph's sink queue is empty: end of graph."); |
d24d5663 | 560 | status = BT_FUNC_STATUS_END; |
8ed535b5 PP |
561 | goto end; |
562 | } | |
563 | ||
564 | current_node = g_queue_pop_head_link(graph->sinks_to_consume); | |
565 | sink = current_node->data; | |
3f7d4d90 | 566 | BT_LIB_LOGD("Chose next sink to consume: %!+c", sink); |
8ed535b5 PP |
567 | status = consume_sink_node(graph, current_node); |
568 | ||
f60c8b34 JG |
569 | end: |
570 | return status; | |
c0418dd9 JG |
571 | } |
572 | ||
1778c2a4 PP |
573 | #define GRAPH_IS_CONFIGURED_METHOD_NAME \ |
574 | "bt_component_class_sink_graph_is_configured_method" | |
575 | ||
79545cc9 | 576 | static |
1778c2a4 | 577 | int configure_graph(struct bt_graph *graph, const char *api_func) |
79545cc9 PP |
578 | { |
579 | int status = BT_FUNC_STATUS_OK; | |
580 | uint64_t i; | |
581 | ||
582 | BT_ASSERT_DBG(graph->config_state != | |
583 | BT_GRAPH_CONFIGURATION_STATE_FAULTY); | |
584 | ||
585 | if (G_LIKELY(graph->config_state == | |
586 | BT_GRAPH_CONFIGURATION_STATE_CONFIGURED)) { | |
587 | goto end; | |
588 | } | |
589 | ||
1778c2a4 PP |
590 | BT_ASSERT_PRE_FROM_FUNC(api_func, |
591 | "graph-has-at-least-one-sink-component", | |
592 | graph->has_sink, "Graph has no sink component: %!+g", graph); | |
79545cc9 PP |
593 | graph->config_state = BT_GRAPH_CONFIGURATION_STATE_PARTIALLY_CONFIGURED; |
594 | ||
595 | for (i = 0; i < graph->components->len; i++) { | |
596 | struct bt_component *comp = graph->components->pdata[i]; | |
597 | struct bt_component_sink *comp_sink = (void *) comp; | |
598 | struct bt_component_class_sink *comp_cls_sink = | |
599 | (void *) comp->class; | |
600 | ||
601 | if (comp->class->type != BT_COMPONENT_CLASS_TYPE_SINK) { | |
602 | continue; | |
603 | } | |
604 | ||
605 | if (comp_sink->graph_is_configured_method_called) { | |
606 | continue; | |
607 | } | |
608 | ||
609 | if (comp_cls_sink->methods.graph_is_configured) { | |
610 | enum bt_component_class_sink_graph_is_configured_method_status comp_status; | |
611 | ||
612 | BT_LIB_LOGD("Calling user's \"graph is configured\" method: " | |
613 | "%![graph-]+g, %![comp-]+c", | |
614 | graph, comp); | |
615 | comp_status = comp_cls_sink->methods.graph_is_configured( | |
616 | (void *) comp_sink); | |
617 | BT_LIB_LOGD("User method returned: status=%s", | |
618 | bt_common_func_status_string(comp_status)); | |
1778c2a4 PP |
619 | BT_ASSERT_POST(GRAPH_IS_CONFIGURED_METHOD_NAME, |
620 | "valid-status", | |
621 | comp_status == BT_FUNC_STATUS_OK || | |
79545cc9 PP |
622 | comp_status == BT_FUNC_STATUS_ERROR || |
623 | comp_status == BT_FUNC_STATUS_MEMORY_ERROR, | |
624 | "Unexpected returned status: status=%s", | |
625 | bt_common_func_status_string(comp_status)); | |
1778c2a4 PP |
626 | BT_ASSERT_POST_NO_ERROR_IF_NO_ERROR_STATUS( |
627 | GRAPH_IS_CONFIGURED_METHOD_NAME, comp_status); | |
79545cc9 PP |
628 | if (comp_status != BT_FUNC_STATUS_OK) { |
629 | if (comp_status < 0) { | |
630 | BT_LIB_LOGW_APPEND_CAUSE( | |
631 | "Component's \"graph is configured\" method failed: " | |
632 | "%![comp-]+c, status=%s", | |
633 | comp, | |
634 | bt_common_func_status_string( | |
635 | comp_status)); | |
636 | } | |
637 | ||
638 | status = comp_status; | |
639 | goto end; | |
640 | } | |
641 | } | |
642 | ||
643 | comp_sink->graph_is_configured_method_called = true; | |
644 | } | |
645 | ||
646 | graph->config_state = BT_GRAPH_CONFIGURATION_STATE_CONFIGURED; | |
647 | ||
648 | end: | |
649 | return status; | |
650 | } | |
651 | ||
1353b066 | 652 | BT_EXPORT |
648dab91 | 653 | enum bt_graph_run_once_status bt_graph_run_once(struct bt_graph *graph) |
851b70bd | 654 | { |
648dab91 | 655 | enum bt_graph_run_once_status status; |
1d915789 | 656 | |
17f3083a | 657 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b | 658 | BT_ASSERT_PRE_DEV_GRAPH_NON_NULL(graph); |
1778c2a4 | 659 | BT_ASSERT_PRE_DEV("graph-can-consume", graph->can_consume, |
f6ccaed9 | 660 | "Cannot consume graph in its current state: %!+g", graph); |
1778c2a4 PP |
661 | BT_ASSERT_PRE_DEV("graph-is-not-faulty", |
662 | graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY, | |
38cda5da | 663 | "Graph is in a faulty state: %!+g", graph); |
4725a201 | 664 | bt_graph_set_can_consume(graph, false); |
1778c2a4 | 665 | status = configure_graph(graph, __func__); |
91d81473 | 666 | if (G_UNLIKELY(status)) { |
79545cc9 | 667 | /* configure_graph() logs errors */ |
5badd463 PP |
668 | goto end; |
669 | } | |
670 | ||
1778c2a4 | 671 | status = consume_no_check(graph, __func__); |
4725a201 | 672 | bt_graph_set_can_consume(graph, true); |
5badd463 PP |
673 | |
674 | end: | |
26a15756 | 675 | return status; |
851b70bd PP |
676 | } |
677 | ||
1353b066 | 678 | BT_EXPORT |
d24d5663 | 679 | enum bt_graph_run_status bt_graph_run(struct bt_graph *graph) |
f60c8b34 | 680 | { |
d24d5663 | 681 | enum bt_graph_run_status status; |
f60c8b34 | 682 | |
17f3083a | 683 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b | 684 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
1778c2a4 | 685 | BT_ASSERT_PRE("graph-can-consume", graph->can_consume, |
ad847455 | 686 | "Cannot consume graph in its current state: %!+g", graph); |
1778c2a4 PP |
687 | BT_ASSERT_PRE("graph-is-not-faulty", |
688 | graph->config_state != BT_GRAPH_CONFIGURATION_STATE_FAULTY, | |
38cda5da | 689 | "Graph is in a faulty state: %!+g", graph); |
4725a201 | 690 | bt_graph_set_can_consume(graph, false); |
1778c2a4 | 691 | status = configure_graph(graph, __func__); |
91d81473 | 692 | if (G_UNLIKELY(status)) { |
79545cc9 | 693 | /* configure_graph() logs errors */ |
5badd463 PP |
694 | goto end; |
695 | } | |
696 | ||
3f7d4d90 | 697 | BT_LIB_LOGI("Running graph: %!+g", graph); |
262e5473 | 698 | |
f60c8b34 | 699 | do { |
851b70bd | 700 | /* |
9b4f9b42 PP |
701 | * Check if the graph is interrupted at each iteration. |
702 | * If the graph was interrupted by another thread or by | |
703 | * a signal handler, this is NOT a warning nor an error; | |
704 | * it was intentional: log with an INFO level only. | |
851b70bd | 705 | */ |
9b4f9b42 PP |
706 | if (G_UNLIKELY(bt_graph_is_interrupted(graph))) { |
707 | BT_LIB_LOGI("Stopping the graph: " | |
708 | "graph was interrupted: %!+g", graph); | |
709 | status = BT_FUNC_STATUS_AGAIN; | |
851b70bd PP |
710 | goto end; |
711 | } | |
712 | ||
1778c2a4 | 713 | status = consume_no_check(graph, __func__); |
d24d5663 | 714 | if (G_UNLIKELY(status == BT_FUNC_STATUS_AGAIN)) { |
f60c8b34 | 715 | /* |
202a3a13 PP |
716 | * If AGAIN is received and there are multiple |
717 | * sinks, go ahead and consume from the next | |
718 | * sink. | |
f60c8b34 | 719 | * |
202a3a13 PP |
720 | * However, in the case where a single sink is |
721 | * left, the caller can decide to busy-wait and | |
0d72b8c3 | 722 | * call bt_graph_run() continuously |
d94d92ac PP |
723 | * until the source is ready or it can decide to |
724 | * sleep for an arbitrary amount of time. | |
f60c8b34 JG |
725 | */ |
726 | if (graph->sinks_to_consume->length > 1) { | |
d24d5663 | 727 | status = BT_FUNC_STATUS_OK; |
f60c8b34 JG |
728 | } |
729 | } | |
d24d5663 | 730 | } while (status == BT_FUNC_STATUS_OK); |
f60c8b34 | 731 | |
9669d693 PP |
732 | if (status == BT_FUNC_STATUS_END) { |
733 | /* | |
734 | * The last call to consume_no_check() returned | |
735 | * `BT_FUNC_STATUS_END`, but bt_graph_run() has no | |
736 | * `BT_GRAPH_RUN_STATUS_END` status: replace with | |
737 | * `BT_GRAPH_RUN_STATUS_OK` (success: graph ran | |
738 | * completely). | |
739 | */ | |
740 | status = BT_FUNC_STATUS_OK; | |
f60c8b34 | 741 | } |
262e5473 | 742 | |
202a3a13 | 743 | end: |
3f7d4d90 | 744 | BT_LIB_LOGI("Graph ran: %![graph-]+g, status=%s", graph, |
d24d5663 | 745 | bt_common_func_status_string(status)); |
4725a201 | 746 | bt_graph_set_can_consume(graph, true); |
72b913fb | 747 | return status; |
f60c8b34 | 748 | } |
1bf957a0 | 749 | |
1353b066 | 750 | BT_EXPORT |
d24d5663 | 751 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
752 | bt_graph_add_source_component_output_port_added_listener( |
753 | struct bt_graph *graph, | |
754 | bt_graph_source_component_output_port_added_listener_func func, | |
f3d6b4c2 | 755 | void *data, bt_listener_id *out_listener_id) |
1bf957a0 | 756 | { |
d94d92ac | 757 | struct bt_graph_listener_port_added listener = { |
d94d92ac | 758 | .func = (port_added_func_t) func, |
f3d6b4c2 | 759 | .data = data, |
1bf957a0 | 760 | }; |
2054a0d1 | 761 | bt_listener_id listener_id; |
1bf957a0 | 762 | |
17f3083a | 763 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
764 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
765 | BT_ASSERT_PRE_LISTENER_FUNC_NON_NULL(func); | |
d94d92ac PP |
766 | g_array_append_val(graph->listeners.source_output_port_added, listener); |
767 | listener_id = graph->listeners.source_output_port_added->len - 1; | |
3f7d4d90 | 768 | BT_LIB_LOGD("Added \"source component output port added\" listener to graph: " |
d94d92ac PP |
769 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
770 | listener_id); | |
771 | ||
772 | if (listener_id) { | |
773 | *out_listener_id = listener_id; | |
774 | } | |
775 | ||
d24d5663 | 776 | return BT_FUNC_STATUS_OK; |
1bf957a0 PP |
777 | } |
778 | ||
1353b066 | 779 | BT_EXPORT |
d24d5663 | 780 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
781 | bt_graph_add_filter_component_output_port_added_listener( |
782 | struct bt_graph *graph, | |
783 | bt_graph_filter_component_output_port_added_listener_func func, | |
f3d6b4c2 | 784 | void *data, bt_listener_id *out_listener_id) |
1bf957a0 | 785 | { |
d94d92ac | 786 | struct bt_graph_listener_port_added listener = { |
d94d92ac | 787 | .func = (port_added_func_t) func, |
f3d6b4c2 | 788 | .data = data, |
d94d92ac | 789 | }; |
2054a0d1 | 790 | bt_listener_id listener_id; |
1bf957a0 | 791 | |
17f3083a | 792 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
793 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
794 | BT_ASSERT_PRE_LISTENER_FUNC_NON_NULL(func); | |
d94d92ac PP |
795 | g_array_append_val(graph->listeners.filter_output_port_added, listener); |
796 | listener_id = graph->listeners.filter_output_port_added->len - 1; | |
3f7d4d90 | 797 | BT_LIB_LOGD("Added \"filter component output port added\" listener to graph: " |
d94d92ac PP |
798 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
799 | listener_id); | |
800 | ||
801 | if (listener_id) { | |
802 | *out_listener_id = listener_id; | |
803 | } | |
804 | ||
d24d5663 | 805 | return BT_FUNC_STATUS_OK; |
d94d92ac | 806 | } |
262e5473 | 807 | |
1353b066 | 808 | BT_EXPORT |
d24d5663 | 809 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
810 | bt_graph_add_filter_component_input_port_added_listener( |
811 | struct bt_graph *graph, | |
812 | bt_graph_filter_component_input_port_added_listener_func func, | |
f3d6b4c2 | 813 | void *data, bt_listener_id *out_listener_id) |
d94d92ac | 814 | { |
d94d92ac | 815 | struct bt_graph_listener_port_added listener = { |
d94d92ac | 816 | .func = (port_added_func_t) func, |
f3d6b4c2 | 817 | .data = data, |
d94d92ac | 818 | }; |
2054a0d1 | 819 | bt_listener_id listener_id; |
8cc092c9 | 820 | |
17f3083a | 821 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
822 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
823 | BT_ASSERT_PRE_LISTENER_FUNC_NON_NULL(func); | |
d94d92ac PP |
824 | g_array_append_val(graph->listeners.filter_input_port_added, listener); |
825 | listener_id = graph->listeners.filter_input_port_added->len - 1; | |
3f7d4d90 | 826 | BT_LIB_LOGD("Added \"filter component input port added\" listener to graph: " |
d94d92ac PP |
827 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
828 | listener_id); | |
829 | ||
830 | if (listener_id) { | |
831 | *out_listener_id = listener_id; | |
832 | } | |
833 | ||
d24d5663 | 834 | return BT_FUNC_STATUS_OK; |
d94d92ac | 835 | } |
1bf957a0 | 836 | |
1353b066 | 837 | BT_EXPORT |
d24d5663 | 838 | enum bt_graph_add_listener_status |
0d72b8c3 PP |
839 | bt_graph_add_sink_component_input_port_added_listener( |
840 | struct bt_graph *graph, | |
841 | bt_graph_sink_component_input_port_added_listener_func func, | |
f3d6b4c2 | 842 | void *data, bt_listener_id *out_listener_id) |
d94d92ac | 843 | { |
d94d92ac | 844 | struct bt_graph_listener_port_added listener = { |
d94d92ac | 845 | .func = (port_added_func_t) func, |
f3d6b4c2 | 846 | .data = data, |
d94d92ac | 847 | }; |
2054a0d1 | 848 | bt_listener_id listener_id; |
1bf957a0 | 849 | |
17f3083a | 850 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
851 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
852 | BT_ASSERT_PRE_LISTENER_FUNC_NON_NULL(func); | |
d94d92ac PP |
853 | g_array_append_val(graph->listeners.sink_input_port_added, listener); |
854 | listener_id = graph->listeners.sink_input_port_added->len - 1; | |
3f7d4d90 | 855 | BT_LIB_LOGD("Added \"sink component input port added\" listener to graph: " |
d94d92ac PP |
856 | "%![graph-]+g, listener-addr=%p, id=%d", graph, listener, |
857 | listener_id); | |
858 | ||
859 | if (listener_id) { | |
860 | *out_listener_id = listener_id; | |
861 | } | |
862 | ||
d24d5663 | 863 | return BT_FUNC_STATUS_OK; |
1bf957a0 PP |
864 | } |
865 | ||
d24d5663 | 866 | enum bt_graph_listener_func_status bt_graph_notify_port_added( |
8cc56726 | 867 | struct bt_graph *graph, struct bt_port *port) |
1bf957a0 | 868 | { |
d94d92ac PP |
869 | uint64_t i; |
870 | GArray *listeners; | |
871 | struct bt_component *comp; | |
d24d5663 | 872 | enum bt_graph_listener_func_status status = BT_FUNC_STATUS_OK; |
1778c2a4 | 873 | const char *func_name; |
1bf957a0 | 874 | |
d94d92ac PP |
875 | BT_ASSERT(graph); |
876 | BT_ASSERT(port); | |
3f7d4d90 | 877 | BT_LIB_LOGD("Notifying graph listeners that a port was added: " |
d94d92ac | 878 | "%![graph-]+g, %![port-]+p", graph, port); |
0d72b8c3 | 879 | comp = bt_port_borrow_component_inline(port); |
d94d92ac PP |
880 | BT_ASSERT(comp); |
881 | ||
882 | switch (comp->class->type) { | |
883 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
884 | { | |
885 | switch (port->type) { | |
886 | case BT_PORT_TYPE_OUTPUT: | |
887 | listeners = graph->listeners.source_output_port_added; | |
1778c2a4 | 888 | func_name = "bt_graph_source_component_output_port_added_listener_func"; |
d94d92ac PP |
889 | break; |
890 | default: | |
498e7994 | 891 | bt_common_abort(); |
d94d92ac PP |
892 | } |
893 | ||
894 | break; | |
895 | } | |
896 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
897 | { | |
898 | switch (port->type) { | |
899 | case BT_PORT_TYPE_INPUT: | |
900 | listeners = graph->listeners.filter_input_port_added; | |
1778c2a4 | 901 | func_name = "bt_graph_filter_component_input_port_added_listener_func"; |
d94d92ac PP |
902 | break; |
903 | case BT_PORT_TYPE_OUTPUT: | |
904 | listeners = graph->listeners.filter_output_port_added; | |
1778c2a4 | 905 | func_name = "bt_graph_filter_component_output_port_added_listener_func"; |
d94d92ac PP |
906 | break; |
907 | default: | |
498e7994 | 908 | bt_common_abort(); |
d94d92ac | 909 | } |
262e5473 | 910 | |
d94d92ac PP |
911 | break; |
912 | } | |
913 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
914 | { | |
915 | switch (port->type) { | |
916 | case BT_PORT_TYPE_INPUT: | |
917 | listeners = graph->listeners.sink_input_port_added; | |
1778c2a4 | 918 | func_name = "bt_graph_sink_component_input_port_added_listener_func"; |
d94d92ac PP |
919 | break; |
920 | default: | |
498e7994 | 921 | bt_common_abort(); |
d94d92ac | 922 | } |
1bf957a0 | 923 | |
d94d92ac PP |
924 | break; |
925 | } | |
926 | default: | |
498e7994 | 927 | bt_common_abort(); |
d94d92ac PP |
928 | } |
929 | ||
930 | for (i = 0; i < listeners->len; i++) { | |
931 | struct bt_graph_listener_port_added *listener = | |
d50d46f3 | 932 | &bt_g_array_index(listeners, |
d94d92ac PP |
933 | struct bt_graph_listener_port_added, i); |
934 | ||
8cc56726 | 935 | |
d94d92ac | 936 | BT_ASSERT(listener->func); |
f3d6b4c2 | 937 | status = listener->func(comp, port, listener->data); |
1778c2a4 | 938 | BT_ASSERT_POST_NO_ERROR_IF_NO_ERROR_STATUS(func_name, status); |
d24d5663 | 939 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 SM |
940 | goto end; |
941 | } | |
1bf957a0 | 942 | } |
8cc56726 SM |
943 | |
944 | end: | |
945 | return status; | |
1bf957a0 PP |
946 | } |
947 | ||
f167d3c0 PP |
948 | void bt_graph_remove_connection(struct bt_graph *graph, |
949 | struct bt_connection *connection) | |
950 | { | |
f6ccaed9 PP |
951 | BT_ASSERT(graph); |
952 | BT_ASSERT(connection); | |
3f7d4d90 | 953 | BT_LIB_LOGD("Removing graph's connection: %![graph-]+g, %![conn-]+x", |
262e5473 | 954 | graph, connection); |
f167d3c0 PP |
955 | g_ptr_array_remove(graph->connections, connection); |
956 | } | |
36712f1d | 957 | |
d94d92ac PP |
958 | static inline |
959 | bool component_name_exists(struct bt_graph *graph, const char *name) | |
960 | { | |
961 | bool exists = false; | |
962 | uint64_t i; | |
963 | ||
964 | for (i = 0; i < graph->components->len; i++) { | |
965 | struct bt_component *other_comp = graph->components->pdata[i]; | |
966 | ||
967 | if (strcmp(name, bt_component_get_name(other_comp)) == 0) { | |
d98421f2 | 968 | BT_ASSERT_COND_MSG("Another component with the same name already exists in the graph: " |
d94d92ac PP |
969 | "%![other-comp-]+c, name=\"%s\"", |
970 | other_comp, name); | |
971 | exists = true; | |
972 | goto end; | |
973 | } | |
974 | } | |
975 | ||
976 | end: | |
977 | return exists; | |
978 | } | |
979 | ||
980 | static | |
d24d5663 | 981 | int add_component_with_init_method_data( |
0d72b8c3 | 982 | struct bt_graph *graph, |
d94d92ac PP |
983 | struct bt_component_class *comp_cls, |
984 | comp_init_method_t init_method, | |
05e21286 | 985 | const char *name, const struct bt_value *params, |
e874da19 | 986 | void *init_method_data, bt_logging_level log_level, |
1778c2a4 PP |
987 | const struct bt_component **user_component, |
988 | const char *api_func, | |
989 | const char *init_method_name) | |
36712f1d | 990 | { |
d24d5663 | 991 | int status = BT_FUNC_STATUS_OK; |
21a9f056 | 992 | enum bt_component_class_initialize_method_status init_status; |
36712f1d | 993 | struct bt_component *component = NULL; |
d94d92ac PP |
994 | int ret; |
995 | bool init_can_consume; | |
05e21286 | 996 | struct bt_value *new_params = NULL; |
36712f1d | 997 | |
d94d92ac | 998 | BT_ASSERT(comp_cls); |
1778c2a4 PP |
999 | BT_ASSERT_PRE_GRAPH_NON_NULL_FROM_FUNC(api_func, graph); |
1000 | BT_ASSERT_PRE_NAME_NON_NULL_FROM_FUNC(api_func, name); | |
1001 | BT_ASSERT_PRE_FROM_FUNC(api_func, "graph-is-not-configured", | |
5badd463 | 1002 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, |
38cda5da | 1003 | "Graph is not in the \"configuring\" state: %!+g", graph); |
1778c2a4 PP |
1004 | BT_ASSERT_PRE_FROM_FUNC(api_func, "component-name-is-unique", |
1005 | !component_name_exists(graph, name), | |
d94d92ac | 1006 | "Duplicate component name: %!+g, name=\"%s\"", graph, name); |
1778c2a4 | 1007 | BT_ASSERT_PRE_PARAM_VALUE_IS_MAP_FROM_FUNC(api_func, params); |
4aa7981f | 1008 | init_can_consume = graph->can_consume; |
d94d92ac | 1009 | bt_graph_set_can_consume(graph, false); |
3f7d4d90 | 1010 | BT_LIB_LOGI("Adding component to graph: " |
e874da19 PP |
1011 | "%![graph-]+g, %![cc-]+C, name=\"%s\", log-level=%s, " |
1012 | "%![params-]+v, init-method-data-addr=%p", | |
1013 | graph, comp_cls, name, | |
1014 | bt_common_logging_level_string(log_level), params, | |
1015 | init_method_data); | |
36712f1d | 1016 | |
d94d92ac | 1017 | if (!params) { |
05e21286 PP |
1018 | new_params = bt_value_map_create(); |
1019 | if (!new_params) { | |
870631a2 PP |
1020 | BT_LIB_LOGE_APPEND_CAUSE( |
1021 | "Cannot create empty map value object."); | |
d24d5663 | 1022 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
36712f1d PP |
1023 | goto end; |
1024 | } | |
05e21286 PP |
1025 | |
1026 | params = new_params; | |
36712f1d PP |
1027 | } |
1028 | ||
e874da19 | 1029 | ret = bt_component_create(comp_cls, name, log_level, &component); |
d94d92ac | 1030 | if (ret) { |
870631a2 PP |
1031 | BT_LIB_LOGE_APPEND_CAUSE( |
1032 | "Cannot create empty component object: ret=%d", | |
d94d92ac | 1033 | ret); |
d24d5663 | 1034 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
36712f1d PP |
1035 | goto end; |
1036 | } | |
1037 | ||
1038 | /* | |
1039 | * The user's initialization method needs to see that this | |
1040 | * component is part of the graph. If the user method fails, we | |
1041 | * immediately remove the component from the graph's components. | |
1042 | */ | |
1043 | g_ptr_array_add(graph->components, component); | |
1044 | bt_component_set_graph(component, graph); | |
0d47d31b | 1045 | bt_value_freeze(params); |
36712f1d | 1046 | |
d94d92ac | 1047 | if (init_method) { |
59225a3e SM |
1048 | /* |
1049 | * There is no use for config objects right now, so just pass | |
1050 | * NULL. | |
1051 | */ | |
36712f1d | 1052 | BT_LOGD_STR("Calling user's initialization method."); |
59225a3e | 1053 | init_status = init_method(component, NULL, params, init_method_data); |
36712f1d | 1054 | BT_LOGD("User method returned: status=%s", |
d24d5663 | 1055 | bt_common_func_status_string(init_status)); |
1778c2a4 PP |
1056 | BT_ASSERT_POST_DEV_NO_ERROR_IF_NO_ERROR_STATUS(init_method_name, |
1057 | init_status); | |
d24d5663 | 1058 | if (init_status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
1059 | if (init_status < 0) { |
1060 | BT_LIB_LOGW_APPEND_CAUSE( | |
1061 | "Component initialization method failed: " | |
1062 | "status=%s, %![comp-]+c", | |
1063 | bt_common_func_status_string(init_status), | |
1064 | component); | |
1065 | } | |
1066 | ||
d24d5663 | 1067 | status = init_status; |
36712f1d PP |
1068 | bt_component_set_graph(component, NULL); |
1069 | g_ptr_array_remove_fast(graph->components, component); | |
1070 | goto end; | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | /* | |
1075 | * Mark the component as initialized so that its finalization | |
1076 | * method is called when it is destroyed. | |
1077 | */ | |
1078 | component->initialized = true; | |
1079 | ||
1080 | /* | |
1081 | * If it's a sink component, it needs to be part of the graph's | |
648dab91 PP |
1082 | * sink queue to be consumed by bt_graph_run() or |
1083 | * bt_graph_run_once(). | |
36712f1d PP |
1084 | */ |
1085 | if (bt_component_is_sink(component)) { | |
d94d92ac | 1086 | graph->has_sink = true; |
36712f1d PP |
1087 | g_queue_push_tail(graph->sinks_to_consume, component); |
1088 | } | |
1089 | ||
1090 | /* | |
1091 | * Freeze the component class now that it's instantiated at | |
1092 | * least once. | |
1093 | */ | |
1094 | BT_LOGD_STR("Freezing component class."); | |
d94d92ac | 1095 | bt_component_class_freeze(comp_cls); |
3f7d4d90 | 1096 | BT_LIB_LOGI("Added component to graph: " |
e874da19 PP |
1097 | "%![graph-]+g, %![cc-]+C, name=\"%s\", log-level=%s, " |
1098 | "%![params-]+v, init-method-data-addr=%p, %![comp-]+c", | |
1099 | graph, comp_cls, name, | |
1100 | bt_common_logging_level_string(log_level), params, | |
1101 | init_method_data, component); | |
36712f1d PP |
1102 | |
1103 | if (user_component) { | |
1104 | /* Move reference to user */ | |
1105 | *user_component = component; | |
36712f1d PP |
1106 | } |
1107 | ||
1108 | end: | |
d24d5663 | 1109 | if (status != BT_FUNC_STATUS_OK) { |
8cc56726 | 1110 | bt_graph_make_faulty(graph); |
38cda5da PP |
1111 | } |
1112 | ||
65300d60 | 1113 | bt_object_put_ref(component); |
05e21286 | 1114 | bt_object_put_ref(new_params); |
d94d92ac PP |
1115 | (void) init_can_consume; |
1116 | bt_graph_set_can_consume(graph, init_can_consume); | |
d24d5663 | 1117 | return status; |
36712f1d PP |
1118 | } |
1119 | ||
1778c2a4 | 1120 | static |
d24d5663 | 1121 | enum bt_graph_add_component_status |
1778c2a4 | 1122 | add_source_component_with_initialize_method_data( |
0d72b8c3 PP |
1123 | struct bt_graph *graph, |
1124 | const struct bt_component_class_source *comp_cls, | |
05e21286 | 1125 | const char *name, const struct bt_value *params, |
e874da19 | 1126 | void *init_method_data, bt_logging_level log_level, |
1778c2a4 PP |
1127 | const struct bt_component_source **component, |
1128 | const char *api_func) | |
d94d92ac | 1129 | { |
1778c2a4 PP |
1130 | BT_ASSERT_PRE_NO_ERROR_FROM_FUNC(api_func); |
1131 | BT_ASSERT_PRE_COMP_CLS_NON_NULL_FROM_FUNC(api_func, comp_cls); | |
d94d92ac PP |
1132 | return add_component_with_init_method_data(graph, |
1133 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1778c2a4 PP |
1134 | name, params, init_method_data, log_level, (void *) component, |
1135 | api_func, "bt_component_class_source_initialize_method"); | |
1136 | } | |
1137 | ||
1353b066 | 1138 | BT_EXPORT |
1778c2a4 PP |
1139 | enum bt_graph_add_component_status |
1140 | bt_graph_add_source_component_with_initialize_method_data( | |
1141 | struct bt_graph *graph, | |
1142 | const struct bt_component_class_source *comp_cls, | |
1143 | const char *name, const struct bt_value *params, | |
1144 | void *init_method_data, bt_logging_level log_level, | |
1145 | const struct bt_component_source **component) | |
1146 | { | |
1147 | return add_source_component_with_initialize_method_data(graph, comp_cls, | |
1148 | name, params, init_method_data, log_level, component, __func__); | |
d94d92ac PP |
1149 | } |
1150 | ||
1353b066 | 1151 | BT_EXPORT |
d24d5663 | 1152 | enum bt_graph_add_component_status bt_graph_add_source_component( |
0d72b8c3 PP |
1153 | struct bt_graph *graph, |
1154 | const struct bt_component_class_source *comp_cls, | |
05e21286 | 1155 | const char *name, const struct bt_value *params, |
9628043c | 1156 | enum bt_logging_level log_level, |
0d72b8c3 | 1157 | const struct bt_component_source **component) |
d94d92ac | 1158 | { |
1778c2a4 PP |
1159 | return add_source_component_with_initialize_method_data(graph, comp_cls, |
1160 | name, params, NULL, log_level, component, __func__); | |
d94d92ac PP |
1161 | } |
1162 | ||
1778c2a4 | 1163 | static |
d24d5663 | 1164 | enum bt_graph_add_component_status |
1778c2a4 | 1165 | add_filter_component_with_initialize_method_data( |
0d72b8c3 PP |
1166 | struct bt_graph *graph, |
1167 | const struct bt_component_class_filter *comp_cls, | |
05e21286 | 1168 | const char *name, const struct bt_value *params, |
1778c2a4 PP |
1169 | void *init_method_data, bt_logging_level log_level, |
1170 | const struct bt_component_filter **component, | |
1171 | const char *api_func) | |
d94d92ac | 1172 | { |
1778c2a4 PP |
1173 | BT_ASSERT_PRE_NO_ERROR_FROM_FUNC(api_func); |
1174 | BT_ASSERT_PRE_COMP_CLS_NON_NULL_FROM_FUNC(api_func, comp_cls); | |
d94d92ac PP |
1175 | return add_component_with_init_method_data(graph, |
1176 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1778c2a4 PP |
1177 | name, params, init_method_data, log_level, (void *) component, |
1178 | api_func, "bt_component_class_filter_initialize_method"); | |
1179 | } | |
1180 | ||
1353b066 | 1181 | BT_EXPORT |
1778c2a4 PP |
1182 | enum bt_graph_add_component_status |
1183 | bt_graph_add_filter_component_with_initialize_method_data( | |
1184 | struct bt_graph *graph, | |
1185 | const struct bt_component_class_filter *comp_cls, | |
1186 | const char *name, const struct bt_value *params, | |
1187 | void *init_method_data, bt_logging_level log_level, | |
1188 | const struct bt_component_filter **component) | |
1189 | { | |
1190 | return add_filter_component_with_initialize_method_data(graph, comp_cls, | |
1191 | name, params, init_method_data, log_level, component, __func__); | |
d94d92ac PP |
1192 | } |
1193 | ||
1353b066 | 1194 | BT_EXPORT |
d24d5663 | 1195 | enum bt_graph_add_component_status bt_graph_add_filter_component( |
0d72b8c3 PP |
1196 | struct bt_graph *graph, |
1197 | const struct bt_component_class_filter *comp_cls, | |
05e21286 | 1198 | const char *name, const struct bt_value *params, |
9628043c | 1199 | enum bt_logging_level log_level, |
0d72b8c3 | 1200 | const struct bt_component_filter **component) |
d94d92ac | 1201 | { |
1778c2a4 PP |
1202 | return add_filter_component_with_initialize_method_data(graph, comp_cls, |
1203 | name, params, NULL, log_level, component, __func__); | |
d94d92ac PP |
1204 | } |
1205 | ||
1778c2a4 | 1206 | static |
d24d5663 | 1207 | enum bt_graph_add_component_status |
1778c2a4 | 1208 | add_sink_component_with_initialize_method_data( |
0d72b8c3 PP |
1209 | struct bt_graph *graph, |
1210 | const struct bt_component_class_sink *comp_cls, | |
05e21286 | 1211 | const char *name, const struct bt_value *params, |
1778c2a4 PP |
1212 | void *init_method_data, bt_logging_level log_level, |
1213 | const struct bt_component_sink **component, | |
1214 | const char *api_func) | |
36712f1d | 1215 | { |
1778c2a4 PP |
1216 | BT_ASSERT_PRE_NO_ERROR_FROM_FUNC(api_func); |
1217 | BT_ASSERT_PRE_COMP_CLS_NON_NULL_FROM_FUNC(api_func, comp_cls); | |
d94d92ac PP |
1218 | return add_component_with_init_method_data(graph, |
1219 | (void *) comp_cls, (comp_init_method_t) comp_cls->methods.init, | |
1778c2a4 PP |
1220 | name, params, init_method_data, log_level, (void *) component, |
1221 | api_func, "bt_component_class_sink_initialize_method"); | |
1222 | } | |
1223 | ||
1353b066 | 1224 | BT_EXPORT |
1778c2a4 PP |
1225 | enum bt_graph_add_component_status |
1226 | bt_graph_add_sink_component_with_initialize_method_data( | |
1227 | struct bt_graph *graph, | |
1228 | const struct bt_component_class_sink *comp_cls, | |
1229 | const char *name, const struct bt_value *params, | |
1230 | void *init_method_data, bt_logging_level log_level, | |
1231 | const struct bt_component_sink **component) | |
1232 | { | |
1233 | return add_sink_component_with_initialize_method_data(graph, comp_cls, | |
1234 | name, params, init_method_data, log_level, component, | |
1235 | __func__); | |
d94d92ac PP |
1236 | } |
1237 | ||
1353b066 | 1238 | BT_EXPORT |
d24d5663 | 1239 | enum bt_graph_add_component_status bt_graph_add_sink_component( |
0d72b8c3 PP |
1240 | struct bt_graph *graph, |
1241 | const struct bt_component_class_sink *comp_cls, | |
05e21286 | 1242 | const char *name, const struct bt_value *params, |
9628043c | 1243 | enum bt_logging_level log_level, |
0d72b8c3 | 1244 | const struct bt_component_sink **component) |
d94d92ac | 1245 | { |
1778c2a4 PP |
1246 | return add_sink_component_with_initialize_method_data(graph, comp_cls, |
1247 | name, params, NULL, log_level, component, __func__); | |
36712f1d | 1248 | } |
8ed535b5 | 1249 | |
1353b066 | 1250 | BT_EXPORT |
078033ed PP |
1251 | enum bt_graph_add_component_status |
1252 | bt_graph_add_simple_sink_component(struct bt_graph *graph, const char *name, | |
21a9f056 | 1253 | bt_graph_simple_sink_component_initialize_func init_func, |
078033ed PP |
1254 | bt_graph_simple_sink_component_consume_func consume_func, |
1255 | bt_graph_simple_sink_component_finalize_func finalize_func, | |
1256 | void *user_data, const bt_component_sink **component) | |
1257 | { | |
1258 | enum bt_graph_add_component_status status; | |
1259 | struct bt_component_class_sink *comp_cls; | |
1260 | struct simple_sink_init_method_data init_method_data = { | |
1261 | .init_func = init_func, | |
1262 | .consume_func = consume_func, | |
1263 | .finalize_func = finalize_func, | |
1264 | .user_data = user_data, | |
1265 | }; | |
1266 | ||
17f3083a SM |
1267 | BT_ASSERT_PRE_NO_ERROR(); |
1268 | ||
078033ed PP |
1269 | /* |
1270 | * Other preconditions are checked by | |
1778c2a4 | 1271 | * add_sink_component_with_initialize_method_data(). |
078033ed | 1272 | */ |
1778c2a4 PP |
1273 | BT_ASSERT_PRE_NON_NULL("consume-function", consume_func, |
1274 | "Consume function"); | |
078033ed PP |
1275 | |
1276 | comp_cls = bt_component_class_sink_simple_borrow(); | |
1277 | if (!comp_cls) { | |
1278 | BT_LIB_LOGE_APPEND_CAUSE( | |
1279 | "Cannot borrow simple sink component class."); | |
1280 | status = BT_FUNC_STATUS_MEMORY_ERROR; | |
1281 | goto end; | |
1282 | } | |
1283 | ||
1778c2a4 | 1284 | status = add_sink_component_with_initialize_method_data(graph, |
078033ed | 1285 | comp_cls, name, NULL, &init_method_data, |
1778c2a4 | 1286 | BT_LOGGING_LEVEL_NONE, component, __func__); |
078033ed PP |
1287 | |
1288 | end: | |
1289 | return status; | |
1290 | } | |
1291 | ||
d6e69534 PP |
1292 | void bt_graph_add_message(struct bt_graph *graph, |
1293 | struct bt_message *msg) | |
5c563278 PP |
1294 | { |
1295 | BT_ASSERT(graph); | |
d6e69534 | 1296 | BT_ASSERT(msg); |
5c563278 PP |
1297 | |
1298 | /* | |
1299 | * It's okay not to take a reference because, when a | |
d6e69534 | 1300 | * message's reference count drops to 0, either: |
5c563278 PP |
1301 | * |
1302 | * * It is recycled back to one of this graph's pool. | |
1303 | * * It is destroyed because it doesn't have any link to any | |
1304 | * graph, which means the original graph is already destroyed. | |
1305 | */ | |
d6e69534 | 1306 | g_ptr_array_add(graph->messages, msg); |
5c563278 | 1307 | } |
c5b9b441 | 1308 | |
9b4f9b42 PP |
1309 | bool bt_graph_is_interrupted(const struct bt_graph *graph) |
1310 | { | |
98b15851 | 1311 | BT_ASSERT_DBG(graph); |
9b4f9b42 PP |
1312 | return bt_interrupter_array_any_is_set(graph->interrupters); |
1313 | } | |
1314 | ||
1353b066 | 1315 | BT_EXPORT |
9b4f9b42 PP |
1316 | enum bt_graph_add_interrupter_status bt_graph_add_interrupter( |
1317 | struct bt_graph *graph, const struct bt_interrupter *intr) | |
1318 | { | |
17f3083a | 1319 | BT_ASSERT_PRE_NO_ERROR(); |
d5b13b9b PP |
1320 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
1321 | BT_ASSERT_PRE_INTR_NON_NULL(intr); | |
9b4f9b42 | 1322 | g_ptr_array_add(graph->interrupters, (void *) intr); |
6871026b | 1323 | bt_object_get_ref_no_null_check(intr); |
9b4f9b42 PP |
1324 | BT_LIB_LOGD("Added interrupter to graph: %![graph-]+g, %![intr-]+z", |
1325 | graph, intr); | |
1326 | return BT_FUNC_STATUS_OK; | |
1327 | } | |
1328 | ||
1353b066 | 1329 | BT_EXPORT |
c513d240 | 1330 | struct bt_interrupter *bt_graph_borrow_default_interrupter(bt_graph *graph) |
9b4f9b42 | 1331 | { |
d5b13b9b | 1332 | BT_ASSERT_PRE_GRAPH_NON_NULL(graph); |
c513d240 | 1333 | return graph->default_interrupter; |
9b4f9b42 PP |
1334 | } |
1335 | ||
1353b066 | 1336 | BT_EXPORT |
c5b9b441 PP |
1337 | void bt_graph_get_ref(const struct bt_graph *graph) |
1338 | { | |
1339 | bt_object_get_ref(graph); | |
1340 | } | |
1341 | ||
1353b066 | 1342 | BT_EXPORT |
c5b9b441 PP |
1343 | void bt_graph_put_ref(const struct bt_graph *graph) |
1344 | { | |
1345 | bt_object_put_ref(graph); | |
1346 | } |