Commit | Line | Data |
---|---|---|
de713ce0 | 1 | /* |
e2f7325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
de713ce0 JG |
3 | * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
4 | * | |
de713ce0 JG |
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 | ||
ab0d387b | 24 | #define BT_LOG_TAG "COMP" |
578e048b | 25 | #include "lib/lib-logging.h" |
ab0d387b | 26 | |
578e048b MJ |
27 | #include "common/assert.h" |
28 | #include "lib/assert-pre.h" | |
3fadfbc0 MJ |
29 | #include <babeltrace2/graph/self-component.h> |
30 | #include <babeltrace2/graph/component-const.h> | |
31 | #include <babeltrace2/graph/component-source-const.h> | |
32 | #include <babeltrace2/graph/component-filter-const.h> | |
33 | #include <babeltrace2/graph/component-sink-const.h> | |
91d81473 | 34 | #include "common/macros.h" |
578e048b | 35 | #include "compat/compiler.h" |
3fadfbc0 MJ |
36 | #include <babeltrace2/types.h> |
37 | #include <babeltrace2/value.h> | |
578e048b | 38 | #include "lib/value.h" |
9ac68eb1 | 39 | #include <stdint.h> |
ab0d387b | 40 | #include <inttypes.h> |
de713ce0 | 41 | |
578e048b MJ |
42 | #include "component.h" |
43 | #include "component-class.h" | |
44 | #include "component-source.h" | |
45 | #include "component-filter.h" | |
46 | #include "component-sink.h" | |
47 | #include "connection.h" | |
48 | #include "graph.h" | |
49 | #include "message/iterator.h" | |
50 | #include "port.h" | |
51 | ||
7c7c0433 JG |
52 | static |
53 | struct bt_component * (* const component_create_funcs[])( | |
0d72b8c3 | 54 | const struct bt_component_class *) = { |
d3e4dcd8 PP |
55 | [BT_COMPONENT_CLASS_TYPE_SOURCE] = bt_component_source_create, |
56 | [BT_COMPONENT_CLASS_TYPE_SINK] = bt_component_sink_create, | |
57 | [BT_COMPONENT_CLASS_TYPE_FILTER] = bt_component_filter_create, | |
7c7c0433 JG |
58 | }; |
59 | ||
72b913fb PP |
60 | static |
61 | void (*component_destroy_funcs[])(struct bt_component *) = { | |
62 | [BT_COMPONENT_CLASS_TYPE_SOURCE] = bt_component_source_destroy, | |
63 | [BT_COMPONENT_CLASS_TYPE_SINK] = bt_component_sink_destroy, | |
64 | [BT_COMPONENT_CLASS_TYPE_FILTER] = bt_component_filter_destroy, | |
65 | }; | |
66 | ||
b8a06801 | 67 | static |
d94d92ac PP |
68 | void finalize_component(struct bt_component *comp) |
69 | { | |
70 | typedef void (*method_t)(void *); | |
71 | ||
72 | method_t method = NULL; | |
73 | ||
74 | BT_ASSERT(comp); | |
75 | ||
76 | switch (comp->class->type) { | |
77 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
78 | { | |
79 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
80 | ||
81 | method = (method_t) src_cc->methods.finalize; | |
82 | break; | |
83 | } | |
84 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
85 | { | |
86 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
87 | ||
88 | method = (method_t) flt_cc->methods.finalize; | |
89 | break; | |
90 | } | |
91 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
92 | { | |
93 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
94 | ||
95 | method = (method_t) sink_cc->methods.finalize; | |
96 | break; | |
97 | } | |
98 | default: | |
99 | abort(); | |
100 | } | |
101 | ||
102 | if (method) { | |
3f7d4d90 | 103 | BT_LIB_LOGI("Calling user's component finalization method: " |
d94d92ac PP |
104 | "%![comp-]+c", comp); |
105 | method(comp); | |
106 | } | |
107 | } | |
108 | ||
109 | static | |
110 | void destroy_component(struct bt_object *obj) | |
b8a06801 JG |
111 | { |
112 | struct bt_component *component = NULL; | |
3230ee6b | 113 | int i; |
b8a06801 JG |
114 | |
115 | if (!obj) { | |
116 | return; | |
117 | } | |
118 | ||
bd14d768 PP |
119 | /* |
120 | * The component's reference count is 0 if we're here. Increment | |
121 | * it to avoid a double-destroy (possibly infinitely recursive). | |
122 | * This could happen for example if the component's finalization | |
d94d92ac PP |
123 | * function does bt_object_get_ref() (or anything that causes |
124 | * bt_object_get_ref() to be called) on itself (ref. count goes | |
125 | * from 0 to 1), and then bt_object_put_ref(): the reference | |
126 | * count would go from 1 to 0 again and this function would be | |
127 | * called again. | |
bd14d768 | 128 | */ |
3fea54f6 | 129 | obj->ref_count++; |
b8a06801 | 130 | component = container_of(obj, struct bt_component, base); |
3f7d4d90 | 131 | BT_LIB_LOGI("Destroying component: %![comp-]+c, %![graph-]+g", |
d94d92ac | 132 | component, bt_component_borrow_graph(component)); |
3230ee6b PP |
133 | |
134 | /* Call destroy listeners in reverse registration order */ | |
ab0d387b PP |
135 | BT_LOGD_STR("Calling destroy listeners."); |
136 | ||
3230ee6b PP |
137 | for (i = component->destroy_listeners->len - 1; i >= 0; i--) { |
138 | struct bt_component_destroy_listener *listener = | |
139 | &g_array_index(component->destroy_listeners, | |
140 | struct bt_component_destroy_listener, i); | |
141 | ||
142 | listener->func(component, listener->data); | |
143 | } | |
144 | ||
7c7c0433 | 145 | /* |
36712f1d PP |
146 | * User data is destroyed first, followed by the concrete |
147 | * component instance. Do not finalize if the component's user | |
148 | * initialization method failed in the first place. | |
b8a06801 | 149 | */ |
d94d92ac PP |
150 | if (component->initialized) { |
151 | finalize_component(component); | |
7c7c0433 | 152 | } |
b8a06801 | 153 | |
ab09f844 | 154 | if (component->destroy) { |
ab0d387b | 155 | BT_LOGD_STR("Destroying type-specific data."); |
ab09f844 JG |
156 | component->destroy(component); |
157 | } | |
158 | ||
72b913fb | 159 | if (component->input_ports) { |
ab0d387b | 160 | BT_LOGD_STR("Destroying input ports."); |
72b913fb | 161 | g_ptr_array_free(component->input_ports, TRUE); |
d94d92ac | 162 | component->input_ports = NULL; |
72b913fb | 163 | } |
b8a06801 | 164 | |
72b913fb | 165 | if (component->output_ports) { |
ab0d387b | 166 | BT_LOGD_STR("Destroying output ports."); |
72b913fb | 167 | g_ptr_array_free(component->output_ports, TRUE); |
d94d92ac | 168 | component->output_ports = NULL; |
b8a06801 JG |
169 | } |
170 | ||
3230ee6b PP |
171 | if (component->destroy_listeners) { |
172 | g_array_free(component->destroy_listeners, TRUE); | |
d94d92ac | 173 | component->destroy_listeners = NULL; |
3230ee6b PP |
174 | } |
175 | ||
ab0d387b PP |
176 | if (component->name) { |
177 | g_string_free(component->name, TRUE); | |
d94d92ac | 178 | component->name = NULL; |
ab0d387b PP |
179 | } |
180 | ||
d94d92ac PP |
181 | BT_LOGD_STR("Putting component class."); |
182 | BT_OBJECT_PUT_REF_AND_RESET(component->class); | |
72b913fb | 183 | g_free(component); |
b8a06801 | 184 | } |
de713ce0 | 185 | |
890882ef | 186 | enum bt_component_class_type bt_component_get_class_type( |
0d72b8c3 | 187 | const struct bt_component *component) |
5645cd95 | 188 | { |
d94d92ac PP |
189 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
190 | return component->class->type; | |
5645cd95 JG |
191 | } |
192 | ||
72b913fb | 193 | static |
8cc56726 | 194 | enum bt_self_component_status add_port( |
72b913fb | 195 | struct bt_component *component, GPtrArray *ports, |
8cc56726 SM |
196 | enum bt_port_type port_type, const char *name, void *user_data, |
197 | struct bt_port **port) | |
72b913fb | 198 | { |
72b913fb | 199 | struct bt_port *new_port = NULL; |
1bf957a0 | 200 | struct bt_graph *graph = NULL; |
8cc56726 | 201 | enum bt_self_component_status status; |
72b913fb | 202 | |
d94d92ac PP |
203 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
204 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
205 | BT_ASSERT_PRE(strlen(name) > 0, "Name is empty"); | |
206 | graph = bt_component_borrow_graph(component); | |
207 | BT_ASSERT_PRE(graph && !bt_graph_is_canceled(graph), | |
208 | "Component's graph is canceled: %![comp-]+c, %![graph-]+g", | |
209 | component, graph); | |
5badd463 PP |
210 | BT_ASSERT_PRE( |
211 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, | |
4725a201 PP |
212 | "Component's graph is already configured: " |
213 | "%![comp-]+c, %![graph-]+g", component, graph); | |
72b913fb | 214 | |
d94d92ac | 215 | // TODO: Validate that the name is not already used. |
ab0d387b | 216 | |
3f7d4d90 | 217 | BT_LIB_LOGI("Adding port to component: %![comp-]+c, " |
ab0d387b | 218 | "port-type=%s, port-name=\"%s\"", component, |
ab0d387b PP |
219 | bt_port_type_string(port_type), name); |
220 | ||
3e9b0023 | 221 | new_port = bt_port_create(component, port_type, name, user_data); |
72b913fb | 222 | if (!new_port) { |
d94d92ac | 223 | BT_LOGE_STR("Cannot create port object."); |
8cc56726 SM |
224 | status = BT_SELF_COMPONENT_STATUS_NOMEM; |
225 | goto error; | |
72b913fb PP |
226 | } |
227 | ||
228 | /* | |
229 | * No name clash, add the port. | |
230 | * The component is now the port's parent; it should _not_ | |
231 | * hold a reference to the port since the port's lifetime | |
232 | * is now protected by the component's own lifetime. | |
233 | */ | |
234 | g_ptr_array_add(ports, new_port); | |
1bf957a0 PP |
235 | |
236 | /* | |
237 | * Notify the graph's creator that a new port was added. | |
238 | */ | |
398454ed | 239 | graph = bt_component_borrow_graph(component); |
1bf957a0 | 240 | if (graph) { |
8cc56726 SM |
241 | enum bt_graph_listener_status listener_status; |
242 | ||
243 | listener_status = bt_graph_notify_port_added(graph, new_port); | |
244 | if (listener_status != BT_GRAPH_LISTENER_STATUS_OK) { | |
245 | bt_graph_make_faulty(graph); | |
246 | status = listener_status; | |
247 | goto error; | |
248 | } | |
1bf957a0 PP |
249 | } |
250 | ||
3f7d4d90 | 251 | BT_LIB_LOGI("Created and added port to component: " |
d94d92ac | 252 | "%![comp-]+c, %![port-]+p", component, new_port); |
ab0d387b | 253 | |
8cc56726 SM |
254 | *port = new_port; |
255 | status = BT_SELF_COMPONENT_STATUS_OK; | |
256 | ||
257 | goto end; | |
258 | error: | |
259 | /* | |
260 | * We need to release the reference that we would otherwise have | |
261 | * returned to the caller. | |
262 | */ | |
263 | BT_PORT_PUT_REF_AND_RESET(new_port); | |
264 | ||
72b913fb | 265 | end: |
8cc56726 | 266 | return status; |
72b913fb PP |
267 | } |
268 | ||
269 | BT_HIDDEN | |
0d72b8c3 | 270 | uint64_t bt_component_get_input_port_count(const struct bt_component *comp) |
72b913fb | 271 | { |
d94d92ac PP |
272 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
273 | return (uint64_t) comp->input_ports->len; | |
72b913fb PP |
274 | } |
275 | ||
276 | BT_HIDDEN | |
0d72b8c3 | 277 | uint64_t bt_component_get_output_port_count(const struct bt_component *comp) |
72b913fb | 278 | { |
d94d92ac PP |
279 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
280 | return (uint64_t) comp->output_ports->len; | |
72b913fb PP |
281 | } |
282 | ||
dd8a4547 | 283 | BT_HIDDEN |
d94d92ac | 284 | int bt_component_create(struct bt_component_class *component_class, |
36712f1d | 285 | const char *name, struct bt_component **user_component) |
38b48196 | 286 | { |
d94d92ac | 287 | int ret = 0; |
38b48196 | 288 | struct bt_component *component = NULL; |
d3e4dcd8 | 289 | enum bt_component_class_type type; |
38b48196 | 290 | |
f6ccaed9 PP |
291 | BT_ASSERT(user_component); |
292 | BT_ASSERT(component_class); | |
293 | BT_ASSERT(name); | |
7c7c0433 | 294 | type = bt_component_class_get_type(component_class); |
3f7d4d90 | 295 | BT_LIB_LOGI("Creating empty component from component class: %![cc-]+C, " |
d94d92ac | 296 | "comp-name=\"%s\"", component_class, name); |
36712f1d | 297 | component = component_create_funcs[type](component_class); |
7c7c0433 | 298 | if (!component) { |
ab0d387b | 299 | BT_LOGE_STR("Cannot create specific component object."); |
d94d92ac | 300 | ret = -1; |
7c7c0433 JG |
301 | goto end; |
302 | } | |
303 | ||
d0fea130 | 304 | bt_object_init_shared_with_parent(&component->base, destroy_component); |
398454ed PP |
305 | component->class = component_class; |
306 | bt_object_get_no_null_check(component->class); | |
72b913fb | 307 | component->destroy = component_destroy_funcs[type]; |
7c7c0433 | 308 | component->name = g_string_new(name); |
4b70dd83 | 309 | if (!component->name) { |
ab0d387b | 310 | BT_LOGE_STR("Failed to allocate one GString."); |
d94d92ac | 311 | ret = -1; |
7c7c0433 JG |
312 | goto end; |
313 | } | |
314 | ||
72b913fb | 315 | component->input_ports = g_ptr_array_new_with_free_func( |
3fea54f6 | 316 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 317 | if (!component->input_ports) { |
ab0d387b | 318 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
d94d92ac | 319 | ret = -1; |
72b913fb PP |
320 | goto end; |
321 | } | |
322 | ||
323 | component->output_ports = g_ptr_array_new_with_free_func( | |
3fea54f6 | 324 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 325 | if (!component->output_ports) { |
ab0d387b | 326 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
d94d92ac | 327 | ret = -1; |
72b913fb PP |
328 | goto end; |
329 | } | |
330 | ||
3230ee6b PP |
331 | component->destroy_listeners = g_array_new(FALSE, TRUE, |
332 | sizeof(struct bt_component_destroy_listener)); | |
333 | if (!component->destroy_listeners) { | |
ab0d387b | 334 | BT_LOGE_STR("Failed to allocate one GArray."); |
d94d92ac | 335 | ret = -1; |
3230ee6b PP |
336 | goto end; |
337 | } | |
338 | ||
3f7d4d90 | 339 | BT_LIB_LOGI("Created empty component from component class: " |
d94d92ac | 340 | "%![cc-]+C, %![comp-]+c", component_class, component); |
65300d60 | 341 | BT_OBJECT_MOVE_REF(*user_component, component); |
ab0d387b | 342 | |
38b48196 | 343 | end: |
65300d60 | 344 | bt_object_put_ref(component); |
d94d92ac | 345 | return ret; |
6358c163 PP |
346 | } |
347 | ||
0d72b8c3 | 348 | const char *bt_component_get_name(const struct bt_component *component) |
de713ce0 | 349 | { |
d94d92ac PP |
350 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
351 | return component->name->str; | |
de713ce0 JG |
352 | } |
353 | ||
1de6a2b0 | 354 | const struct bt_component_class *bt_component_borrow_class_const( |
0d72b8c3 | 355 | const struct bt_component *component) |
de713ce0 | 356 | { |
d94d92ac PP |
357 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
358 | return component->class; | |
de713ce0 JG |
359 | } |
360 | ||
0d72b8c3 | 361 | void *bt_self_component_get_data(const struct bt_self_component *self_comp) |
de713ce0 | 362 | { |
d94d92ac | 363 | struct bt_component *component = (void *) self_comp; |
890882ef | 364 | |
d94d92ac PP |
365 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
366 | return component->user_data; | |
de713ce0 JG |
367 | } |
368 | ||
d94d92ac | 369 | void bt_self_component_set_data(struct bt_self_component *self_comp, |
de713ce0 JG |
370 | void *data) |
371 | { | |
d94d92ac | 372 | struct bt_component *component = (void *) self_comp; |
ab0d387b | 373 | |
d94d92ac | 374 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
de713ce0 | 375 | component->user_data = data; |
3f7d4d90 | 376 | BT_LIB_LOGD("Set component's user data: %!+c", component); |
de713ce0 | 377 | } |
366e034f JG |
378 | |
379 | BT_HIDDEN | |
f60c8b34 | 380 | void bt_component_set_graph(struct bt_component *component, |
366e034f JG |
381 | struct bt_graph *graph) |
382 | { | |
3fea54f6 PP |
383 | bt_object_set_parent(&component->base, |
384 | graph ? &graph->base : NULL); | |
366e034f JG |
385 | } |
386 | ||
0d72b8c3 | 387 | bt_bool bt_component_graph_is_canceled(const struct bt_component *component) |
366e034f | 388 | { |
e5be10ef PP |
389 | return bt_graph_is_canceled( |
390 | (void *) bt_object_borrow_parent(&component->base)); | |
366e034f JG |
391 | } |
392 | ||
72b913fb | 393 | static |
d94d92ac | 394 | struct bt_port *borrow_port_by_name(GPtrArray *ports, |
9ac68eb1 | 395 | const char *name) |
366e034f | 396 | { |
d94d92ac | 397 | uint64_t i; |
366e034f JG |
398 | struct bt_port *ret_port = NULL; |
399 | ||
f6ccaed9 | 400 | BT_ASSERT(name); |
72b913fb | 401 | |
366e034f JG |
402 | for (i = 0; i < ports->len; i++) { |
403 | struct bt_port *port = g_ptr_array_index(ports, i); | |
366e034f | 404 | |
d94d92ac PP |
405 | if (!strcmp(name, port->name->str)) { |
406 | ret_port = port; | |
366e034f JG |
407 | break; |
408 | } | |
409 | } | |
410 | ||
411 | return ret_port; | |
412 | } | |
413 | ||
414 | BT_HIDDEN | |
d94d92ac PP |
415 | struct bt_port_input *bt_component_borrow_input_port_by_name( |
416 | struct bt_component *comp, const char *name) | |
72b913fb | 417 | { |
f6ccaed9 | 418 | BT_ASSERT(comp); |
d94d92ac | 419 | return (void *) borrow_port_by_name(comp->input_ports, name); |
72b913fb PP |
420 | } |
421 | ||
422 | BT_HIDDEN | |
d94d92ac PP |
423 | struct bt_port_output *bt_component_borrow_output_port_by_name( |
424 | struct bt_component *comp, const char *name) | |
72b913fb | 425 | { |
d94d92ac PP |
426 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
427 | return (void *) | |
428 | borrow_port_by_name(comp->output_ports, name); | |
72b913fb PP |
429 | } |
430 | ||
431 | static | |
d94d92ac | 432 | struct bt_port *borrow_port_by_index(GPtrArray *ports, uint64_t index) |
366e034f | 433 | { |
d94d92ac PP |
434 | BT_ASSERT(index < ports->len); |
435 | return g_ptr_array_index(ports, index); | |
366e034f JG |
436 | } |
437 | ||
438 | BT_HIDDEN | |
d94d92ac PP |
439 | struct bt_port_input *bt_component_borrow_input_port_by_index( |
440 | struct bt_component *comp, uint64_t index) | |
366e034f | 441 | { |
d94d92ac PP |
442 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
443 | BT_ASSERT_PRE_VALID_INDEX(index, comp->input_ports->len); | |
444 | return (void *) | |
445 | borrow_port_by_index(comp->input_ports, index); | |
72b913fb | 446 | } |
366e034f | 447 | |
72b913fb | 448 | BT_HIDDEN |
d94d92ac PP |
449 | struct bt_port_output *bt_component_borrow_output_port_by_index( |
450 | struct bt_component *comp, uint64_t index) | |
72b913fb | 451 | { |
d94d92ac PP |
452 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
453 | BT_ASSERT_PRE_VALID_INDEX(index, comp->output_ports->len); | |
454 | return (void *) | |
455 | borrow_port_by_index(comp->output_ports, index); | |
72b913fb | 456 | } |
366e034f | 457 | |
72b913fb | 458 | BT_HIDDEN |
8cc56726 | 459 | enum bt_self_component_status bt_component_add_input_port( |
3e9b0023 | 460 | struct bt_component *component, const char *name, |
8cc56726 | 461 | void *user_data, struct bt_port **port) |
72b913fb | 462 | { |
d94d92ac | 463 | /* add_port() logs details */ |
8cc56726 SM |
464 | return add_port(component, component->input_ports, |
465 | BT_PORT_TYPE_INPUT, name, user_data, port); | |
72b913fb | 466 | } |
366e034f | 467 | |
72b913fb | 468 | BT_HIDDEN |
8cc56726 | 469 | enum bt_self_component_status bt_component_add_output_port( |
3e9b0023 | 470 | struct bt_component *component, const char *name, |
8cc56726 | 471 | void *user_data, struct bt_port **port) |
72b913fb | 472 | { |
d94d92ac | 473 | /* add_port() logs details */ |
8cc56726 SM |
474 | return add_port(component, component->output_ports, |
475 | BT_PORT_TYPE_OUTPUT, name, user_data, port); | |
72b913fb PP |
476 | } |
477 | ||
f60c8b34 | 478 | BT_HIDDEN |
d94d92ac | 479 | enum bt_self_component_status bt_component_accept_port_connection( |
8f4799f7 PP |
480 | struct bt_component *comp, struct bt_port *self_port, |
481 | struct bt_port *other_port) | |
f60c8b34 | 482 | { |
d94d92ac | 483 | typedef enum bt_self_component_status (*method_t)( |
0d72b8c3 | 484 | void *, void *, const void *); |
d94d92ac PP |
485 | |
486 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
487 | method_t method = NULL; | |
f60c8b34 | 488 | |
f6ccaed9 PP |
489 | BT_ASSERT(comp); |
490 | BT_ASSERT(self_port); | |
491 | BT_ASSERT(other_port); | |
72b913fb | 492 | |
d94d92ac PP |
493 | switch (comp->class->type) { |
494 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
495 | { | |
496 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
497 | ||
498 | switch (self_port->type) { | |
499 | case BT_PORT_TYPE_OUTPUT: | |
500 | method = (method_t) src_cc->methods.accept_output_port_connection; | |
501 | break; | |
502 | default: | |
503 | abort(); | |
504 | } | |
505 | ||
506 | break; | |
507 | } | |
508 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
509 | { | |
510 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
511 | ||
512 | switch (self_port->type) { | |
513 | case BT_PORT_TYPE_INPUT: | |
514 | method = (method_t) flt_cc->methods.accept_input_port_connection; | |
515 | break; | |
516 | case BT_PORT_TYPE_OUTPUT: | |
517 | method = (method_t) flt_cc->methods.accept_output_port_connection; | |
518 | break; | |
519 | default: | |
520 | abort(); | |
521 | } | |
522 | ||
523 | break; | |
524 | } | |
525 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
526 | { | |
527 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
528 | ||
529 | switch (self_port->type) { | |
530 | case BT_PORT_TYPE_INPUT: | |
531 | method = (method_t) sink_cc->methods.accept_input_port_connection; | |
532 | break; | |
533 | default: | |
534 | abort(); | |
535 | } | |
536 | ||
537 | break; | |
538 | } | |
539 | default: | |
540 | abort(); | |
541 | } | |
542 | ||
543 | if (method) { | |
544 | BT_LIB_LOGD("Calling user's \"accept port connection\" method: " | |
545 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
546 | comp, self_port, other_port); | |
0d72b8c3 | 547 | status = method(comp, self_port, (void *) other_port); |
ab0d387b | 548 | BT_LOGD("User method returned: status=%s", |
d94d92ac | 549 | bt_self_component_status_string(status)); |
f60c8b34 JG |
550 | } |
551 | ||
552 | return status; | |
553 | } | |
72b913fb | 554 | |
0d8b4d8e | 555 | BT_HIDDEN |
d94d92ac PP |
556 | enum bt_self_component_status bt_component_port_connected( |
557 | struct bt_component *comp, struct bt_port *self_port, | |
558 | struct bt_port *other_port) | |
0d8b4d8e | 559 | { |
d94d92ac | 560 | typedef enum bt_self_component_status (*method_t)( |
0d72b8c3 | 561 | void *, void *, const void *); |
d94d92ac PP |
562 | |
563 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
564 | method_t method = NULL; | |
bf55043c | 565 | |
f6ccaed9 PP |
566 | BT_ASSERT(comp); |
567 | BT_ASSERT(self_port); | |
568 | BT_ASSERT(other_port); | |
0d8b4d8e | 569 | |
d94d92ac PP |
570 | switch (comp->class->type) { |
571 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
572 | { | |
573 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
574 | ||
575 | switch (self_port->type) { | |
576 | case BT_PORT_TYPE_OUTPUT: | |
577 | method = (method_t) src_cc->methods.output_port_connected; | |
578 | break; | |
579 | default: | |
580 | abort(); | |
581 | } | |
582 | ||
583 | break; | |
584 | } | |
585 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
586 | { | |
587 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
588 | ||
589 | switch (self_port->type) { | |
590 | case BT_PORT_TYPE_INPUT: | |
591 | method = (method_t) flt_cc->methods.input_port_connected; | |
592 | break; | |
593 | case BT_PORT_TYPE_OUTPUT: | |
594 | method = (method_t) flt_cc->methods.output_port_connected; | |
595 | break; | |
596 | default: | |
597 | abort(); | |
598 | } | |
599 | ||
600 | break; | |
601 | } | |
602 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
603 | { | |
604 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
605 | ||
606 | switch (self_port->type) { | |
607 | case BT_PORT_TYPE_INPUT: | |
608 | method = (method_t) sink_cc->methods.input_port_connected; | |
609 | break; | |
610 | default: | |
611 | abort(); | |
612 | } | |
613 | ||
614 | break; | |
615 | } | |
616 | default: | |
617 | abort(); | |
618 | } | |
619 | ||
620 | if (method) { | |
621 | BT_LIB_LOGD("Calling user's \"port connected\" method: " | |
622 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
623 | comp, self_port, other_port); | |
0d72b8c3 | 624 | status = method(comp, self_port, (void *) other_port); |
d94d92ac PP |
625 | BT_LOGD("User method returned: status=%s", |
626 | bt_self_component_status_string(status)); | |
4725a201 PP |
627 | BT_ASSERT_PRE(status == BT_SELF_COMPONENT_STATUS_OK || |
628 | status == BT_SELF_COMPONENT_STATUS_ERROR || | |
629 | status == BT_SELF_COMPONENT_STATUS_NOMEM, | |
630 | "Unexpected returned component status: status=%s", | |
631 | bt_self_component_status_string(status)); | |
0d8b4d8e | 632 | } |
bf55043c PP |
633 | |
634 | return status; | |
0d8b4d8e PP |
635 | } |
636 | ||
3230ee6b PP |
637 | BT_HIDDEN |
638 | void bt_component_add_destroy_listener(struct bt_component *component, | |
639 | bt_component_destroy_listener_func func, void *data) | |
640 | { | |
641 | struct bt_component_destroy_listener listener; | |
642 | ||
f6ccaed9 PP |
643 | BT_ASSERT(component); |
644 | BT_ASSERT(func); | |
3230ee6b PP |
645 | listener.func = func; |
646 | listener.data = data; | |
647 | g_array_append_val(component->destroy_listeners, listener); | |
3f7d4d90 | 648 | BT_LIB_LOGD("Added destroy listener: %![comp-]+c, " |
ab0d387b | 649 | "func-addr=%p, data-addr=%p", |
d94d92ac | 650 | component, func, data); |
3230ee6b PP |
651 | } |
652 | ||
653 | BT_HIDDEN | |
654 | void bt_component_remove_destroy_listener(struct bt_component *component, | |
655 | bt_component_destroy_listener_func func, void *data) | |
656 | { | |
d94d92ac | 657 | uint64_t i; |
3230ee6b | 658 | |
f6ccaed9 PP |
659 | BT_ASSERT(component); |
660 | BT_ASSERT(func); | |
3230ee6b PP |
661 | |
662 | for (i = 0; i < component->destroy_listeners->len; i++) { | |
663 | struct bt_component_destroy_listener *listener = | |
664 | &g_array_index(component->destroy_listeners, | |
665 | struct bt_component_destroy_listener, i); | |
666 | ||
667 | if (listener->func == func && listener->data == data) { | |
668 | g_array_remove_index(component->destroy_listeners, i); | |
669 | i--; | |
3f7d4d90 | 670 | BT_LIB_LOGD("Removed destroy listener: %![comp-]+c, " |
ab0d387b | 671 | "func-addr=%p, data-addr=%p", |
d94d92ac | 672 | component, func, data); |
3230ee6b PP |
673 | } |
674 | } | |
675 | } | |
c5b9b441 PP |
676 | |
677 | void bt_component_get_ref(const struct bt_component *component) | |
678 | { | |
679 | bt_object_get_ref(component); | |
680 | } | |
681 | ||
682 | void bt_component_put_ref(const struct bt_component *component) | |
683 | { | |
684 | bt_object_put_ref(component); | |
685 | } |