Commit | Line | Data |
---|---|---|
de713ce0 | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
e2f7325d | 4 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
de713ce0 | 5 | * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
de713ce0 JG |
6 | */ |
7 | ||
350ad6c1 | 8 | #define BT_LOG_TAG "LIB/COMPONENT" |
c2d9d9cf | 9 | #include "lib/logging.h" |
ab0d387b | 10 | |
e874da19 | 11 | #include "common/common.h" |
578e048b | 12 | #include "common/assert.h" |
d98421f2 | 13 | #include "lib/assert-cond.h" |
3fadfbc0 | 14 | #include <babeltrace2/graph/self-component.h> |
43c59509 PP |
15 | #include <babeltrace2/graph/component.h> |
16 | #include <babeltrace2/graph/graph.h> | |
91d81473 | 17 | #include "common/macros.h" |
578e048b | 18 | #include "compat/compiler.h" |
3fadfbc0 MJ |
19 | #include <babeltrace2/types.h> |
20 | #include <babeltrace2/value.h> | |
578e048b | 21 | #include "lib/value.h" |
9ac68eb1 | 22 | #include <stdint.h> |
ab0d387b | 23 | #include <inttypes.h> |
de713ce0 | 24 | |
578e048b MJ |
25 | #include "component.h" |
26 | #include "component-class.h" | |
27 | #include "component-source.h" | |
28 | #include "component-filter.h" | |
29 | #include "component-sink.h" | |
30 | #include "connection.h" | |
31 | #include "graph.h" | |
32 | #include "message/iterator.h" | |
33 | #include "port.h" | |
d24d5663 | 34 | #include "lib/func-status.h" |
578e048b | 35 | |
7c7c0433 JG |
36 | static |
37 | struct bt_component * (* const component_create_funcs[])( | |
0d72b8c3 | 38 | const struct bt_component_class *) = { |
d3e4dcd8 PP |
39 | [BT_COMPONENT_CLASS_TYPE_SOURCE] = bt_component_source_create, |
40 | [BT_COMPONENT_CLASS_TYPE_SINK] = bt_component_sink_create, | |
41 | [BT_COMPONENT_CLASS_TYPE_FILTER] = bt_component_filter_create, | |
7c7c0433 JG |
42 | }; |
43 | ||
72b913fb PP |
44 | static |
45 | void (*component_destroy_funcs[])(struct bt_component *) = { | |
46 | [BT_COMPONENT_CLASS_TYPE_SOURCE] = bt_component_source_destroy, | |
47 | [BT_COMPONENT_CLASS_TYPE_SINK] = bt_component_sink_destroy, | |
48 | [BT_COMPONENT_CLASS_TYPE_FILTER] = bt_component_filter_destroy, | |
49 | }; | |
50 | ||
b8a06801 | 51 | static |
d94d92ac PP |
52 | void finalize_component(struct bt_component *comp) |
53 | { | |
54 | typedef void (*method_t)(void *); | |
55 | ||
56 | method_t method = NULL; | |
57 | ||
58 | BT_ASSERT(comp); | |
59 | ||
60 | switch (comp->class->type) { | |
61 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
62 | { | |
63 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
64 | ||
65 | method = (method_t) src_cc->methods.finalize; | |
66 | break; | |
67 | } | |
68 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
69 | { | |
70 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
71 | ||
72 | method = (method_t) flt_cc->methods.finalize; | |
73 | break; | |
74 | } | |
75 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
76 | { | |
77 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
78 | ||
79 | method = (method_t) sink_cc->methods.finalize; | |
80 | break; | |
81 | } | |
82 | default: | |
498e7994 | 83 | bt_common_abort(); |
d94d92ac PP |
84 | } |
85 | ||
86 | if (method) { | |
42a63165 SM |
87 | const struct bt_error *saved_error; |
88 | ||
89 | saved_error = bt_current_thread_take_error(); | |
90 | ||
3f7d4d90 | 91 | BT_LIB_LOGI("Calling user's component finalization method: " |
d94d92ac PP |
92 | "%![comp-]+c", comp); |
93 | method(comp); | |
42a63165 SM |
94 | BT_ASSERT_POST_NO_ERROR(); |
95 | ||
96 | if (saved_error) { | |
97 | BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(saved_error); | |
98 | } | |
d94d92ac PP |
99 | } |
100 | } | |
101 | ||
102 | static | |
103 | void destroy_component(struct bt_object *obj) | |
b8a06801 JG |
104 | { |
105 | struct bt_component *component = NULL; | |
3230ee6b | 106 | int i; |
b8a06801 JG |
107 | |
108 | if (!obj) { | |
109 | return; | |
110 | } | |
111 | ||
bd14d768 PP |
112 | /* |
113 | * The component's reference count is 0 if we're here. Increment | |
114 | * it to avoid a double-destroy (possibly infinitely recursive). | |
115 | * This could happen for example if the component's finalization | |
d94d92ac PP |
116 | * function does bt_object_get_ref() (or anything that causes |
117 | * bt_object_get_ref() to be called) on itself (ref. count goes | |
118 | * from 0 to 1), and then bt_object_put_ref(): the reference | |
119 | * count would go from 1 to 0 again and this function would be | |
120 | * called again. | |
bd14d768 | 121 | */ |
3fea54f6 | 122 | obj->ref_count++; |
b8a06801 | 123 | component = container_of(obj, struct bt_component, base); |
3f7d4d90 | 124 | BT_LIB_LOGI("Destroying component: %![comp-]+c, %![graph-]+g", |
d94d92ac | 125 | component, bt_component_borrow_graph(component)); |
3230ee6b PP |
126 | |
127 | /* Call destroy listeners in reverse registration order */ | |
ab0d387b PP |
128 | BT_LOGD_STR("Calling destroy listeners."); |
129 | ||
3230ee6b PP |
130 | for (i = component->destroy_listeners->len - 1; i >= 0; i--) { |
131 | struct bt_component_destroy_listener *listener = | |
132 | &g_array_index(component->destroy_listeners, | |
133 | struct bt_component_destroy_listener, i); | |
134 | ||
135 | listener->func(component, listener->data); | |
136 | } | |
137 | ||
7c7c0433 | 138 | /* |
36712f1d PP |
139 | * User data is destroyed first, followed by the concrete |
140 | * component instance. Do not finalize if the component's user | |
141 | * initialization method failed in the first place. | |
b8a06801 | 142 | */ |
d94d92ac PP |
143 | if (component->initialized) { |
144 | finalize_component(component); | |
7c7c0433 | 145 | } |
b8a06801 | 146 | |
ab09f844 | 147 | if (component->destroy) { |
ab0d387b | 148 | BT_LOGD_STR("Destroying type-specific data."); |
ab09f844 JG |
149 | component->destroy(component); |
150 | } | |
151 | ||
72b913fb | 152 | if (component->input_ports) { |
ab0d387b | 153 | BT_LOGD_STR("Destroying input ports."); |
72b913fb | 154 | g_ptr_array_free(component->input_ports, TRUE); |
d94d92ac | 155 | component->input_ports = NULL; |
72b913fb | 156 | } |
b8a06801 | 157 | |
72b913fb | 158 | if (component->output_ports) { |
ab0d387b | 159 | BT_LOGD_STR("Destroying output ports."); |
72b913fb | 160 | g_ptr_array_free(component->output_ports, TRUE); |
d94d92ac | 161 | component->output_ports = NULL; |
b8a06801 JG |
162 | } |
163 | ||
3230ee6b PP |
164 | if (component->destroy_listeners) { |
165 | g_array_free(component->destroy_listeners, TRUE); | |
d94d92ac | 166 | component->destroy_listeners = NULL; |
3230ee6b PP |
167 | } |
168 | ||
ab0d387b PP |
169 | if (component->name) { |
170 | g_string_free(component->name, TRUE); | |
d94d92ac | 171 | component->name = NULL; |
ab0d387b PP |
172 | } |
173 | ||
d94d92ac PP |
174 | BT_LOGD_STR("Putting component class."); |
175 | BT_OBJECT_PUT_REF_AND_RESET(component->class); | |
72b913fb | 176 | g_free(component); |
b8a06801 | 177 | } |
de713ce0 | 178 | |
890882ef | 179 | enum bt_component_class_type bt_component_get_class_type( |
0d72b8c3 | 180 | const struct bt_component *component) |
5645cd95 | 181 | { |
d5b13b9b | 182 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(component); |
d94d92ac | 183 | return component->class->type; |
5645cd95 JG |
184 | } |
185 | ||
72b913fb | 186 | static |
d24d5663 | 187 | enum bt_self_component_add_port_status add_port( |
72b913fb | 188 | struct bt_component *component, GPtrArray *ports, |
8cc56726 SM |
189 | enum bt_port_type port_type, const char *name, void *user_data, |
190 | struct bt_port **port) | |
72b913fb | 191 | { |
72b913fb | 192 | struct bt_port *new_port = NULL; |
1bf957a0 | 193 | struct bt_graph *graph = NULL; |
d24d5663 | 194 | enum bt_self_component_add_port_status status; |
72b913fb | 195 | |
d5b13b9b PP |
196 | BT_ASSERT_PRE_COMP_NON_NULL(component); |
197 | BT_ASSERT_PRE_NAME_NON_NULL(name); | |
d94d92ac PP |
198 | BT_ASSERT_PRE(strlen(name) > 0, "Name is empty"); |
199 | graph = bt_component_borrow_graph(component); | |
5badd463 PP |
200 | BT_ASSERT_PRE( |
201 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, | |
4725a201 PP |
202 | "Component's graph is already configured: " |
203 | "%![comp-]+c, %![graph-]+g", component, graph); | |
72b913fb | 204 | |
d94d92ac | 205 | // TODO: Validate that the name is not already used. |
ab0d387b | 206 | |
3f7d4d90 | 207 | BT_LIB_LOGI("Adding port to component: %![comp-]+c, " |
ab0d387b | 208 | "port-type=%s, port-name=\"%s\"", component, |
ab0d387b PP |
209 | bt_port_type_string(port_type), name); |
210 | ||
3e9b0023 | 211 | new_port = bt_port_create(component, port_type, name, user_data); |
72b913fb | 212 | if (!new_port) { |
870631a2 | 213 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create port object."); |
d24d5663 | 214 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
8cc56726 | 215 | goto error; |
72b913fb PP |
216 | } |
217 | ||
218 | /* | |
219 | * No name clash, add the port. | |
220 | * The component is now the port's parent; it should _not_ | |
221 | * hold a reference to the port since the port's lifetime | |
222 | * is now protected by the component's own lifetime. | |
223 | */ | |
224 | g_ptr_array_add(ports, new_port); | |
1bf957a0 PP |
225 | |
226 | /* | |
227 | * Notify the graph's creator that a new port was added. | |
228 | */ | |
398454ed | 229 | graph = bt_component_borrow_graph(component); |
1bf957a0 | 230 | if (graph) { |
d24d5663 | 231 | enum bt_graph_listener_func_status listener_status; |
8cc56726 SM |
232 | |
233 | listener_status = bt_graph_notify_port_added(graph, new_port); | |
d24d5663 | 234 | if (listener_status != BT_FUNC_STATUS_OK) { |
8cc56726 | 235 | bt_graph_make_faulty(graph); |
d24d5663 | 236 | status = (int) listener_status; |
8cc56726 SM |
237 | goto error; |
238 | } | |
1bf957a0 PP |
239 | } |
240 | ||
3f7d4d90 | 241 | BT_LIB_LOGI("Created and added port to component: " |
d94d92ac | 242 | "%![comp-]+c, %![port-]+p", component, new_port); |
ab0d387b | 243 | |
8cc56726 | 244 | *port = new_port; |
d24d5663 | 245 | status = BT_FUNC_STATUS_OK; |
8cc56726 SM |
246 | |
247 | goto end; | |
248 | error: | |
249 | /* | |
250 | * We need to release the reference that we would otherwise have | |
251 | * returned to the caller. | |
252 | */ | |
253 | BT_PORT_PUT_REF_AND_RESET(new_port); | |
254 | ||
72b913fb | 255 | end: |
8cc56726 | 256 | return status; |
72b913fb PP |
257 | } |
258 | ||
259 | BT_HIDDEN | |
0d72b8c3 | 260 | uint64_t bt_component_get_input_port_count(const struct bt_component *comp) |
72b913fb | 261 | { |
d5b13b9b | 262 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(comp); |
d94d92ac | 263 | return (uint64_t) comp->input_ports->len; |
72b913fb PP |
264 | } |
265 | ||
266 | BT_HIDDEN | |
0d72b8c3 | 267 | uint64_t bt_component_get_output_port_count(const struct bt_component *comp) |
72b913fb | 268 | { |
d5b13b9b | 269 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(comp); |
d94d92ac | 270 | return (uint64_t) comp->output_ports->len; |
72b913fb PP |
271 | } |
272 | ||
dd8a4547 | 273 | BT_HIDDEN |
d94d92ac | 274 | int bt_component_create(struct bt_component_class *component_class, |
e874da19 PP |
275 | const char *name, bt_logging_level log_level, |
276 | struct bt_component **user_component) | |
38b48196 | 277 | { |
d94d92ac | 278 | int ret = 0; |
38b48196 | 279 | struct bt_component *component = NULL; |
d3e4dcd8 | 280 | enum bt_component_class_type type; |
38b48196 | 281 | |
f6ccaed9 PP |
282 | BT_ASSERT(user_component); |
283 | BT_ASSERT(component_class); | |
284 | BT_ASSERT(name); | |
7c7c0433 | 285 | type = bt_component_class_get_type(component_class); |
3f7d4d90 | 286 | BT_LIB_LOGI("Creating empty component from component class: %![cc-]+C, " |
e874da19 PP |
287 | "comp-name=\"%s\", log-level=%s", component_class, name, |
288 | bt_common_logging_level_string(log_level)); | |
36712f1d | 289 | component = component_create_funcs[type](component_class); |
7c7c0433 | 290 | if (!component) { |
870631a2 PP |
291 | BT_LIB_LOGE_APPEND_CAUSE( |
292 | "Cannot create specific component object."); | |
d94d92ac | 293 | ret = -1; |
7c7c0433 JG |
294 | goto end; |
295 | } | |
296 | ||
d0fea130 | 297 | bt_object_init_shared_with_parent(&component->base, destroy_component); |
398454ed | 298 | component->class = component_class; |
6871026b | 299 | bt_object_get_ref_no_null_check(component->class); |
72b913fb | 300 | component->destroy = component_destroy_funcs[type]; |
7c7c0433 | 301 | component->name = g_string_new(name); |
4b70dd83 | 302 | if (!component->name) { |
870631a2 | 303 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GString."); |
d94d92ac | 304 | ret = -1; |
7c7c0433 JG |
305 | goto end; |
306 | } | |
307 | ||
e874da19 | 308 | component->log_level = log_level; |
72b913fb | 309 | component->input_ports = g_ptr_array_new_with_free_func( |
3fea54f6 | 310 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 311 | if (!component->input_ports) { |
870631a2 | 312 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
d94d92ac | 313 | ret = -1; |
72b913fb PP |
314 | goto end; |
315 | } | |
316 | ||
317 | component->output_ports = g_ptr_array_new_with_free_func( | |
3fea54f6 | 318 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 319 | if (!component->output_ports) { |
870631a2 | 320 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray."); |
d94d92ac | 321 | ret = -1; |
72b913fb PP |
322 | goto end; |
323 | } | |
324 | ||
3230ee6b PP |
325 | component->destroy_listeners = g_array_new(FALSE, TRUE, |
326 | sizeof(struct bt_component_destroy_listener)); | |
327 | if (!component->destroy_listeners) { | |
870631a2 | 328 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GArray."); |
d94d92ac | 329 | ret = -1; |
3230ee6b PP |
330 | goto end; |
331 | } | |
332 | ||
3f7d4d90 | 333 | BT_LIB_LOGI("Created empty component from component class: " |
d94d92ac | 334 | "%![cc-]+C, %![comp-]+c", component_class, component); |
65300d60 | 335 | BT_OBJECT_MOVE_REF(*user_component, component); |
ab0d387b | 336 | |
38b48196 | 337 | end: |
65300d60 | 338 | bt_object_put_ref(component); |
d94d92ac | 339 | return ret; |
6358c163 PP |
340 | } |
341 | ||
0d72b8c3 | 342 | const char *bt_component_get_name(const struct bt_component *component) |
de713ce0 | 343 | { |
d5b13b9b | 344 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(component); |
d94d92ac | 345 | return component->name->str; |
de713ce0 JG |
346 | } |
347 | ||
1de6a2b0 | 348 | const struct bt_component_class *bt_component_borrow_class_const( |
0d72b8c3 | 349 | const struct bt_component *component) |
de713ce0 | 350 | { |
d5b13b9b | 351 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(component); |
d94d92ac | 352 | return component->class; |
de713ce0 JG |
353 | } |
354 | ||
0d72b8c3 | 355 | void *bt_self_component_get_data(const struct bt_self_component *self_comp) |
de713ce0 | 356 | { |
d94d92ac | 357 | struct bt_component *component = (void *) self_comp; |
890882ef | 358 | |
d5b13b9b | 359 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(component); |
d94d92ac | 360 | return component->user_data; |
de713ce0 JG |
361 | } |
362 | ||
d94d92ac | 363 | void bt_self_component_set_data(struct bt_self_component *self_comp, |
de713ce0 JG |
364 | void *data) |
365 | { | |
d94d92ac | 366 | struct bt_component *component = (void *) self_comp; |
ab0d387b | 367 | |
d5b13b9b | 368 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(component); |
de713ce0 | 369 | component->user_data = data; |
3f7d4d90 | 370 | BT_LIB_LOGD("Set component's user data: %!+c", component); |
de713ce0 | 371 | } |
366e034f JG |
372 | |
373 | BT_HIDDEN | |
f60c8b34 | 374 | void bt_component_set_graph(struct bt_component *component, |
366e034f JG |
375 | struct bt_graph *graph) |
376 | { | |
3fea54f6 PP |
377 | bt_object_set_parent(&component->base, |
378 | graph ? &graph->base : NULL); | |
366e034f JG |
379 | } |
380 | ||
72b913fb | 381 | static |
d94d92ac | 382 | struct bt_port *borrow_port_by_name(GPtrArray *ports, |
9ac68eb1 | 383 | const char *name) |
366e034f | 384 | { |
d94d92ac | 385 | uint64_t i; |
366e034f JG |
386 | struct bt_port *ret_port = NULL; |
387 | ||
f6ccaed9 | 388 | BT_ASSERT(name); |
72b913fb | 389 | |
366e034f JG |
390 | for (i = 0; i < ports->len; i++) { |
391 | struct bt_port *port = g_ptr_array_index(ports, i); | |
366e034f | 392 | |
2242b43d | 393 | if (strcmp(name, port->name->str) == 0) { |
d94d92ac | 394 | ret_port = port; |
366e034f JG |
395 | break; |
396 | } | |
397 | } | |
398 | ||
399 | return ret_port; | |
400 | } | |
401 | ||
402 | BT_HIDDEN | |
d94d92ac PP |
403 | struct bt_port_input *bt_component_borrow_input_port_by_name( |
404 | struct bt_component *comp, const char *name) | |
72b913fb | 405 | { |
f6ccaed9 | 406 | BT_ASSERT(comp); |
d94d92ac | 407 | return (void *) borrow_port_by_name(comp->input_ports, name); |
72b913fb PP |
408 | } |
409 | ||
410 | BT_HIDDEN | |
d94d92ac PP |
411 | struct bt_port_output *bt_component_borrow_output_port_by_name( |
412 | struct bt_component *comp, const char *name) | |
72b913fb | 413 | { |
d5b13b9b | 414 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(comp); |
d94d92ac PP |
415 | return (void *) |
416 | borrow_port_by_name(comp->output_ports, name); | |
72b913fb PP |
417 | } |
418 | ||
419 | static | |
d94d92ac | 420 | struct bt_port *borrow_port_by_index(GPtrArray *ports, uint64_t index) |
366e034f | 421 | { |
d94d92ac PP |
422 | BT_ASSERT(index < ports->len); |
423 | return g_ptr_array_index(ports, index); | |
366e034f JG |
424 | } |
425 | ||
426 | BT_HIDDEN | |
d94d92ac PP |
427 | struct bt_port_input *bt_component_borrow_input_port_by_index( |
428 | struct bt_component *comp, uint64_t index) | |
366e034f | 429 | { |
d5b13b9b | 430 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(comp); |
bdb288b3 | 431 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, comp->input_ports->len); |
d94d92ac PP |
432 | return (void *) |
433 | borrow_port_by_index(comp->input_ports, index); | |
72b913fb | 434 | } |
366e034f | 435 | |
72b913fb | 436 | BT_HIDDEN |
d94d92ac PP |
437 | struct bt_port_output *bt_component_borrow_output_port_by_index( |
438 | struct bt_component *comp, uint64_t index) | |
72b913fb | 439 | { |
d5b13b9b | 440 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(comp); |
bdb288b3 | 441 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, comp->output_ports->len); |
d94d92ac PP |
442 | return (void *) |
443 | borrow_port_by_index(comp->output_ports, index); | |
72b913fb | 444 | } |
366e034f | 445 | |
72b913fb | 446 | BT_HIDDEN |
d24d5663 | 447 | enum bt_self_component_add_port_status bt_component_add_input_port( |
3e9b0023 | 448 | struct bt_component *component, const char *name, |
8cc56726 | 449 | void *user_data, struct bt_port **port) |
72b913fb | 450 | { |
d94d92ac | 451 | /* add_port() logs details */ |
8cc56726 SM |
452 | return add_port(component, component->input_ports, |
453 | BT_PORT_TYPE_INPUT, name, user_data, port); | |
72b913fb | 454 | } |
366e034f | 455 | |
72b913fb | 456 | BT_HIDDEN |
d24d5663 | 457 | enum bt_self_component_add_port_status bt_component_add_output_port( |
3e9b0023 | 458 | struct bt_component *component, const char *name, |
8cc56726 | 459 | void *user_data, struct bt_port **port) |
72b913fb | 460 | { |
d94d92ac | 461 | /* add_port() logs details */ |
8cc56726 SM |
462 | return add_port(component, component->output_ports, |
463 | BT_PORT_TYPE_OUTPUT, name, user_data, port); | |
72b913fb PP |
464 | } |
465 | ||
157a98ed SM |
466 | BT_HIDDEN |
467 | bool bt_component_port_name_is_unique(GPtrArray *ports, const char *name) | |
468 | { | |
469 | guint i; | |
470 | bool unique; | |
471 | ||
472 | for (i = 0; i < ports->len; i++) { | |
473 | struct bt_port *port = g_ptr_array_index(ports, i); | |
474 | ||
475 | if (strcmp(port->name->str, name) == 0) { | |
476 | unique = false; | |
477 | goto end; | |
478 | } | |
479 | } | |
480 | ||
481 | unique = true; | |
482 | ||
483 | end: | |
484 | return unique; | |
485 | } | |
486 | ||
0d8b4d8e | 487 | BT_HIDDEN |
d24d5663 PP |
488 | enum bt_component_class_port_connected_method_status |
489 | bt_component_port_connected( | |
d94d92ac PP |
490 | struct bt_component *comp, struct bt_port *self_port, |
491 | struct bt_port *other_port) | |
0d8b4d8e | 492 | { |
d24d5663 | 493 | typedef enum bt_component_class_port_connected_method_status (*method_t)( |
0d72b8c3 | 494 | void *, void *, const void *); |
d94d92ac | 495 | |
9275bef4 | 496 | enum bt_component_class_port_connected_method_status status = |
d24d5663 | 497 | BT_FUNC_STATUS_OK; |
d94d92ac | 498 | method_t method = NULL; |
bf55043c | 499 | |
f6ccaed9 PP |
500 | BT_ASSERT(comp); |
501 | BT_ASSERT(self_port); | |
502 | BT_ASSERT(other_port); | |
0d8b4d8e | 503 | |
d94d92ac PP |
504 | switch (comp->class->type) { |
505 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
506 | { | |
507 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
508 | ||
509 | switch (self_port->type) { | |
510 | case BT_PORT_TYPE_OUTPUT: | |
511 | method = (method_t) src_cc->methods.output_port_connected; | |
512 | break; | |
513 | default: | |
498e7994 | 514 | bt_common_abort(); |
d94d92ac PP |
515 | } |
516 | ||
517 | break; | |
518 | } | |
519 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
520 | { | |
521 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
522 | ||
523 | switch (self_port->type) { | |
524 | case BT_PORT_TYPE_INPUT: | |
525 | method = (method_t) flt_cc->methods.input_port_connected; | |
526 | break; | |
527 | case BT_PORT_TYPE_OUTPUT: | |
528 | method = (method_t) flt_cc->methods.output_port_connected; | |
529 | break; | |
530 | default: | |
498e7994 | 531 | bt_common_abort(); |
d94d92ac PP |
532 | } |
533 | ||
534 | break; | |
535 | } | |
536 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
537 | { | |
538 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
539 | ||
540 | switch (self_port->type) { | |
541 | case BT_PORT_TYPE_INPUT: | |
542 | method = (method_t) sink_cc->methods.input_port_connected; | |
543 | break; | |
544 | default: | |
498e7994 | 545 | bt_common_abort(); |
d94d92ac PP |
546 | } |
547 | ||
548 | break; | |
549 | } | |
550 | default: | |
498e7994 | 551 | bt_common_abort(); |
d94d92ac PP |
552 | } |
553 | ||
554 | if (method) { | |
555 | BT_LIB_LOGD("Calling user's \"port connected\" method: " | |
556 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
557 | comp, self_port, other_port); | |
d24d5663 | 558 | status = (int) method(comp, self_port, (void *) other_port); |
d94d92ac | 559 | BT_LOGD("User method returned: status=%s", |
d24d5663 PP |
560 | bt_common_func_status_string(status)); |
561 | BT_ASSERT_POST(status == BT_FUNC_STATUS_OK || | |
562 | status == BT_FUNC_STATUS_ERROR || | |
563 | status == BT_FUNC_STATUS_MEMORY_ERROR, | |
4725a201 | 564 | "Unexpected returned component status: status=%s", |
d24d5663 | 565 | bt_common_func_status_string(status)); |
6ecdcca3 | 566 | BT_ASSERT_POST_NO_ERROR_IF_NO_ERROR_STATUS(status); |
0d8b4d8e | 567 | } |
bf55043c PP |
568 | |
569 | return status; | |
0d8b4d8e PP |
570 | } |
571 | ||
3230ee6b PP |
572 | BT_HIDDEN |
573 | void bt_component_add_destroy_listener(struct bt_component *component, | |
574 | bt_component_destroy_listener_func func, void *data) | |
575 | { | |
576 | struct bt_component_destroy_listener listener; | |
577 | ||
f6ccaed9 PP |
578 | BT_ASSERT(component); |
579 | BT_ASSERT(func); | |
3230ee6b PP |
580 | listener.func = func; |
581 | listener.data = data; | |
582 | g_array_append_val(component->destroy_listeners, listener); | |
3f7d4d90 | 583 | BT_LIB_LOGD("Added destroy listener: %![comp-]+c, " |
ab0d387b | 584 | "func-addr=%p, data-addr=%p", |
d94d92ac | 585 | component, func, data); |
3230ee6b PP |
586 | } |
587 | ||
588 | BT_HIDDEN | |
589 | void bt_component_remove_destroy_listener(struct bt_component *component, | |
590 | bt_component_destroy_listener_func func, void *data) | |
591 | { | |
d94d92ac | 592 | uint64_t i; |
3230ee6b | 593 | |
f6ccaed9 PP |
594 | BT_ASSERT(component); |
595 | BT_ASSERT(func); | |
3230ee6b PP |
596 | |
597 | for (i = 0; i < component->destroy_listeners->len; i++) { | |
598 | struct bt_component_destroy_listener *listener = | |
599 | &g_array_index(component->destroy_listeners, | |
600 | struct bt_component_destroy_listener, i); | |
601 | ||
602 | if (listener->func == func && listener->data == data) { | |
603 | g_array_remove_index(component->destroy_listeners, i); | |
604 | i--; | |
3f7d4d90 | 605 | BT_LIB_LOGD("Removed destroy listener: %![comp-]+c, " |
ab0d387b | 606 | "func-addr=%p, data-addr=%p", |
d94d92ac | 607 | component, func, data); |
3230ee6b PP |
608 | } |
609 | } | |
610 | } | |
c5b9b441 | 611 | |
e874da19 PP |
612 | bt_logging_level bt_component_get_logging_level( |
613 | const struct bt_component *component) | |
614 | { | |
d5b13b9b | 615 | BT_ASSERT_PRE_DEV_COMP_NON_NULL(component); |
e874da19 PP |
616 | return component->log_level; |
617 | } | |
618 | ||
056deb59 PP |
619 | uint64_t bt_self_component_get_graph_mip_version( |
620 | bt_self_component *self_component) | |
621 | { | |
622 | struct bt_component *comp = (void *) self_component; | |
623 | ||
d5b13b9b | 624 | BT_ASSERT_PRE_COMP_NON_NULL(self_component); |
056deb59 PP |
625 | return bt_component_borrow_graph(comp)->mip_version; |
626 | } | |
627 | ||
c5b9b441 PP |
628 | void bt_component_get_ref(const struct bt_component *component) |
629 | { | |
630 | bt_object_get_ref(component); | |
631 | } | |
632 | ||
633 | void bt_component_put_ref(const struct bt_component *component) | |
634 | { | |
635 | bt_object_put_ref(component); | |
636 | } |