Commit | Line | Data |
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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 PP |
24 | #define BT_LOG_TAG "COMP" |
25 | #include <babeltrace/lib-logging-internal.h> | |
26 | ||
c5b9b441 PP |
27 | #include <babeltrace/assert-internal.h> |
28 | #include <babeltrace/assert-pre-internal.h> | |
d94d92ac | 29 | #include <babeltrace/graph/self-component.h> |
0d72b8c3 PP |
30 | #include <babeltrace/graph/component-const.h> |
31 | #include <babeltrace/graph/component-source-const.h> | |
32 | #include <babeltrace/graph/component-filter-const.h> | |
33 | #include <babeltrace/graph/component-sink-const.h> | |
b2e0c907 PP |
34 | #include <babeltrace/graph/component-internal.h> |
35 | #include <babeltrace/graph/component-class-internal.h> | |
36 | #include <babeltrace/graph/component-source-internal.h> | |
37 | #include <babeltrace/graph/component-filter-internal.h> | |
38 | #include <babeltrace/graph/component-sink-internal.h> | |
b2e0c907 PP |
39 | #include <babeltrace/graph/connection-internal.h> |
40 | #include <babeltrace/graph/graph-internal.h> | |
d6e69534 | 41 | #include <babeltrace/graph/message-iterator-internal.h> |
d94d92ac | 42 | #include <babeltrace/graph/port-internal.h> |
de713ce0 | 43 | #include <babeltrace/babeltrace-internal.h> |
3d9990ac | 44 | #include <babeltrace/compiler-internal.h> |
c55a9f58 | 45 | #include <babeltrace/types.h> |
c6bd8523 PP |
46 | #include <babeltrace/value.h> |
47 | #include <babeltrace/value-internal.h> | |
9ac68eb1 | 48 | #include <stdint.h> |
ab0d387b | 49 | #include <inttypes.h> |
de713ce0 | 50 | |
7c7c0433 JG |
51 | static |
52 | struct bt_component * (* const component_create_funcs[])( | |
0d72b8c3 | 53 | const struct bt_component_class *) = { |
d3e4dcd8 PP |
54 | [BT_COMPONENT_CLASS_TYPE_SOURCE] = bt_component_source_create, |
55 | [BT_COMPONENT_CLASS_TYPE_SINK] = bt_component_sink_create, | |
56 | [BT_COMPONENT_CLASS_TYPE_FILTER] = bt_component_filter_create, | |
7c7c0433 JG |
57 | }; |
58 | ||
72b913fb PP |
59 | static |
60 | void (*component_destroy_funcs[])(struct bt_component *) = { | |
61 | [BT_COMPONENT_CLASS_TYPE_SOURCE] = bt_component_source_destroy, | |
62 | [BT_COMPONENT_CLASS_TYPE_SINK] = bt_component_sink_destroy, | |
63 | [BT_COMPONENT_CLASS_TYPE_FILTER] = bt_component_filter_destroy, | |
64 | }; | |
65 | ||
b8a06801 | 66 | static |
d94d92ac PP |
67 | void finalize_component(struct bt_component *comp) |
68 | { | |
69 | typedef void (*method_t)(void *); | |
70 | ||
71 | method_t method = NULL; | |
72 | ||
73 | BT_ASSERT(comp); | |
74 | ||
75 | switch (comp->class->type) { | |
76 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
77 | { | |
78 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
79 | ||
80 | method = (method_t) src_cc->methods.finalize; | |
81 | break; | |
82 | } | |
83 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
84 | { | |
85 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
86 | ||
87 | method = (method_t) flt_cc->methods.finalize; | |
88 | break; | |
89 | } | |
90 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
91 | { | |
92 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
93 | ||
94 | method = (method_t) sink_cc->methods.finalize; | |
95 | break; | |
96 | } | |
97 | default: | |
98 | abort(); | |
99 | } | |
100 | ||
101 | if (method) { | |
102 | BT_LIB_LOGD("Calling user's finalization method: " | |
103 | "%![comp-]+c", comp); | |
104 | method(comp); | |
105 | } | |
106 | } | |
107 | ||
108 | static | |
109 | void destroy_component(struct bt_object *obj) | |
b8a06801 JG |
110 | { |
111 | struct bt_component *component = NULL; | |
3230ee6b | 112 | int i; |
b8a06801 JG |
113 | |
114 | if (!obj) { | |
115 | return; | |
116 | } | |
117 | ||
bd14d768 PP |
118 | /* |
119 | * The component's reference count is 0 if we're here. Increment | |
120 | * it to avoid a double-destroy (possibly infinitely recursive). | |
121 | * This could happen for example if the component's finalization | |
d94d92ac PP |
122 | * function does bt_object_get_ref() (or anything that causes |
123 | * bt_object_get_ref() to be called) on itself (ref. count goes | |
124 | * from 0 to 1), and then bt_object_put_ref(): the reference | |
125 | * count would go from 1 to 0 again and this function would be | |
126 | * called again. | |
bd14d768 | 127 | */ |
3fea54f6 | 128 | obj->ref_count++; |
b8a06801 | 129 | component = container_of(obj, struct bt_component, base); |
d94d92ac PP |
130 | BT_LIB_LOGD("Destroying component: %![comp-]+c, %![graph-]+g", |
131 | component, bt_component_borrow_graph(component)); | |
3230ee6b PP |
132 | |
133 | /* Call destroy listeners in reverse registration order */ | |
ab0d387b PP |
134 | BT_LOGD_STR("Calling destroy listeners."); |
135 | ||
3230ee6b PP |
136 | for (i = component->destroy_listeners->len - 1; i >= 0; i--) { |
137 | struct bt_component_destroy_listener *listener = | |
138 | &g_array_index(component->destroy_listeners, | |
139 | struct bt_component_destroy_listener, i); | |
140 | ||
141 | listener->func(component, listener->data); | |
142 | } | |
143 | ||
7c7c0433 | 144 | /* |
36712f1d PP |
145 | * User data is destroyed first, followed by the concrete |
146 | * component instance. Do not finalize if the component's user | |
147 | * initialization method failed in the first place. | |
b8a06801 | 148 | */ |
d94d92ac PP |
149 | if (component->initialized) { |
150 | finalize_component(component); | |
7c7c0433 | 151 | } |
b8a06801 | 152 | |
ab09f844 | 153 | if (component->destroy) { |
ab0d387b | 154 | BT_LOGD_STR("Destroying type-specific data."); |
ab09f844 JG |
155 | component->destroy(component); |
156 | } | |
157 | ||
72b913fb | 158 | if (component->input_ports) { |
ab0d387b | 159 | BT_LOGD_STR("Destroying input ports."); |
72b913fb | 160 | g_ptr_array_free(component->input_ports, TRUE); |
d94d92ac | 161 | component->input_ports = NULL; |
72b913fb | 162 | } |
b8a06801 | 163 | |
72b913fb | 164 | if (component->output_ports) { |
ab0d387b | 165 | BT_LOGD_STR("Destroying output ports."); |
72b913fb | 166 | g_ptr_array_free(component->output_ports, TRUE); |
d94d92ac | 167 | component->output_ports = NULL; |
b8a06801 JG |
168 | } |
169 | ||
3230ee6b PP |
170 | if (component->destroy_listeners) { |
171 | g_array_free(component->destroy_listeners, TRUE); | |
d94d92ac | 172 | component->destroy_listeners = NULL; |
3230ee6b PP |
173 | } |
174 | ||
ab0d387b PP |
175 | if (component->name) { |
176 | g_string_free(component->name, TRUE); | |
d94d92ac | 177 | component->name = NULL; |
ab0d387b PP |
178 | } |
179 | ||
d94d92ac PP |
180 | BT_LOGD_STR("Putting component class."); |
181 | BT_OBJECT_PUT_REF_AND_RESET(component->class); | |
72b913fb | 182 | g_free(component); |
b8a06801 | 183 | } |
de713ce0 | 184 | |
890882ef | 185 | enum bt_component_class_type bt_component_get_class_type( |
0d72b8c3 | 186 | const struct bt_component *component) |
5645cd95 | 187 | { |
d94d92ac PP |
188 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
189 | return component->class->type; | |
5645cd95 JG |
190 | } |
191 | ||
72b913fb | 192 | static |
d94d92ac | 193 | struct bt_port *add_port( |
72b913fb | 194 | struct bt_component *component, GPtrArray *ports, |
3e9b0023 | 195 | enum bt_port_type port_type, const char *name, void *user_data) |
72b913fb | 196 | { |
72b913fb | 197 | struct bt_port *new_port = NULL; |
1bf957a0 | 198 | struct bt_graph *graph = NULL; |
72b913fb | 199 | |
d94d92ac PP |
200 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
201 | BT_ASSERT_PRE_NON_NULL(name, "Name"); | |
202 | BT_ASSERT_PRE(strlen(name) > 0, "Name is empty"); | |
203 | graph = bt_component_borrow_graph(component); | |
204 | BT_ASSERT_PRE(graph && !bt_graph_is_canceled(graph), | |
205 | "Component's graph is canceled: %![comp-]+c, %![graph-]+g", | |
206 | component, graph); | |
5badd463 PP |
207 | BT_ASSERT_PRE( |
208 | graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING, | |
4725a201 PP |
209 | "Component's graph is already configured: " |
210 | "%![comp-]+c, %![graph-]+g", component, graph); | |
72b913fb | 211 | |
d94d92ac | 212 | // TODO: Validate that the name is not already used. |
ab0d387b | 213 | |
d94d92ac | 214 | BT_LIB_LOGD("Adding port to component: %![comp-]+c, " |
ab0d387b | 215 | "port-type=%s, port-name=\"%s\"", component, |
ab0d387b PP |
216 | bt_port_type_string(port_type), name); |
217 | ||
3e9b0023 | 218 | new_port = bt_port_create(component, port_type, name, user_data); |
72b913fb | 219 | if (!new_port) { |
d94d92ac | 220 | BT_LOGE_STR("Cannot create port object."); |
72b913fb PP |
221 | goto end; |
222 | } | |
223 | ||
224 | /* | |
225 | * No name clash, add the port. | |
226 | * The component is now the port's parent; it should _not_ | |
227 | * hold a reference to the port since the port's lifetime | |
228 | * is now protected by the component's own lifetime. | |
229 | */ | |
230 | g_ptr_array_add(ports, new_port); | |
1bf957a0 PP |
231 | |
232 | /* | |
233 | * Notify the graph's creator that a new port was added. | |
234 | */ | |
398454ed PP |
235 | bt_object_get_ref(bt_component_borrow_graph(component)); |
236 | graph = bt_component_borrow_graph(component); | |
1bf957a0 PP |
237 | if (graph) { |
238 | bt_graph_notify_port_added(graph, new_port); | |
65300d60 | 239 | BT_OBJECT_PUT_REF_AND_RESET(graph); |
1bf957a0 PP |
240 | } |
241 | ||
d94d92ac PP |
242 | BT_LIB_LOGD("Created and added port to component: " |
243 | "%![comp-]+c, %![port-]+p", component, new_port); | |
ab0d387b | 244 | |
72b913fb PP |
245 | end: |
246 | return new_port; | |
247 | } | |
248 | ||
249 | BT_HIDDEN | |
0d72b8c3 | 250 | uint64_t bt_component_get_input_port_count(const struct bt_component *comp) |
72b913fb | 251 | { |
d94d92ac PP |
252 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
253 | return (uint64_t) comp->input_ports->len; | |
72b913fb PP |
254 | } |
255 | ||
256 | BT_HIDDEN | |
0d72b8c3 | 257 | uint64_t bt_component_get_output_port_count(const struct bt_component *comp) |
72b913fb | 258 | { |
d94d92ac PP |
259 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
260 | return (uint64_t) comp->output_ports->len; | |
72b913fb PP |
261 | } |
262 | ||
dd8a4547 | 263 | BT_HIDDEN |
d94d92ac | 264 | int bt_component_create(struct bt_component_class *component_class, |
36712f1d | 265 | const char *name, struct bt_component **user_component) |
38b48196 | 266 | { |
d94d92ac | 267 | int ret = 0; |
38b48196 | 268 | struct bt_component *component = NULL; |
d3e4dcd8 | 269 | enum bt_component_class_type type; |
38b48196 | 270 | |
f6ccaed9 PP |
271 | BT_ASSERT(user_component); |
272 | BT_ASSERT(component_class); | |
273 | BT_ASSERT(name); | |
7c7c0433 | 274 | type = bt_component_class_get_type(component_class); |
d94d92ac PP |
275 | BT_LIB_LOGD("Creating empty component from component class: %![cc-]+C, " |
276 | "comp-name=\"%s\"", component_class, name); | |
36712f1d | 277 | component = component_create_funcs[type](component_class); |
7c7c0433 | 278 | if (!component) { |
ab0d387b | 279 | BT_LOGE_STR("Cannot create specific component object."); |
d94d92ac | 280 | ret = -1; |
7c7c0433 JG |
281 | goto end; |
282 | } | |
283 | ||
d0fea130 | 284 | bt_object_init_shared_with_parent(&component->base, destroy_component); |
398454ed PP |
285 | component->class = component_class; |
286 | bt_object_get_no_null_check(component->class); | |
72b913fb | 287 | component->destroy = component_destroy_funcs[type]; |
7c7c0433 | 288 | component->name = g_string_new(name); |
4b70dd83 | 289 | if (!component->name) { |
ab0d387b | 290 | BT_LOGE_STR("Failed to allocate one GString."); |
d94d92ac | 291 | ret = -1; |
7c7c0433 JG |
292 | goto end; |
293 | } | |
294 | ||
72b913fb | 295 | component->input_ports = g_ptr_array_new_with_free_func( |
3fea54f6 | 296 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 297 | if (!component->input_ports) { |
ab0d387b | 298 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
d94d92ac | 299 | ret = -1; |
72b913fb PP |
300 | goto end; |
301 | } | |
302 | ||
303 | component->output_ports = g_ptr_array_new_with_free_func( | |
3fea54f6 | 304 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 305 | if (!component->output_ports) { |
ab0d387b | 306 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
d94d92ac | 307 | ret = -1; |
72b913fb PP |
308 | goto end; |
309 | } | |
310 | ||
3230ee6b PP |
311 | component->destroy_listeners = g_array_new(FALSE, TRUE, |
312 | sizeof(struct bt_component_destroy_listener)); | |
313 | if (!component->destroy_listeners) { | |
ab0d387b | 314 | BT_LOGE_STR("Failed to allocate one GArray."); |
d94d92ac | 315 | ret = -1; |
3230ee6b PP |
316 | goto end; |
317 | } | |
318 | ||
d94d92ac PP |
319 | BT_LIB_LOGD("Created empty component from component class: " |
320 | "%![cc-]+C, %![comp-]+c", component_class, component); | |
65300d60 | 321 | BT_OBJECT_MOVE_REF(*user_component, component); |
ab0d387b | 322 | |
38b48196 | 323 | end: |
65300d60 | 324 | bt_object_put_ref(component); |
d94d92ac | 325 | return ret; |
6358c163 PP |
326 | } |
327 | ||
0d72b8c3 | 328 | const char *bt_component_get_name(const struct bt_component *component) |
de713ce0 | 329 | { |
d94d92ac PP |
330 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
331 | return component->name->str; | |
de713ce0 JG |
332 | } |
333 | ||
d94d92ac | 334 | struct bt_component_class *bt_component_borrow_class( |
0d72b8c3 | 335 | const struct bt_component *component) |
de713ce0 | 336 | { |
d94d92ac PP |
337 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
338 | return component->class; | |
de713ce0 JG |
339 | } |
340 | ||
0d72b8c3 | 341 | void *bt_self_component_get_data(const struct bt_self_component *self_comp) |
de713ce0 | 342 | { |
d94d92ac | 343 | struct bt_component *component = (void *) self_comp; |
890882ef | 344 | |
d94d92ac PP |
345 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
346 | return component->user_data; | |
de713ce0 JG |
347 | } |
348 | ||
d94d92ac | 349 | void bt_self_component_set_data(struct bt_self_component *self_comp, |
de713ce0 JG |
350 | void *data) |
351 | { | |
d94d92ac | 352 | struct bt_component *component = (void *) self_comp; |
ab0d387b | 353 | |
d94d92ac | 354 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
de713ce0 | 355 | component->user_data = data; |
d94d92ac | 356 | BT_LIB_LOGV("Set component's user data: %!+c", component); |
de713ce0 | 357 | } |
366e034f JG |
358 | |
359 | BT_HIDDEN | |
f60c8b34 | 360 | void bt_component_set_graph(struct bt_component *component, |
366e034f JG |
361 | struct bt_graph *graph) |
362 | { | |
3fea54f6 PP |
363 | bt_object_set_parent(&component->base, |
364 | graph ? &graph->base : NULL); | |
366e034f JG |
365 | } |
366 | ||
0d72b8c3 | 367 | bt_bool bt_component_graph_is_canceled(const struct bt_component *component) |
366e034f | 368 | { |
e5be10ef PP |
369 | return bt_graph_is_canceled( |
370 | (void *) bt_object_borrow_parent(&component->base)); | |
366e034f JG |
371 | } |
372 | ||
72b913fb | 373 | static |
d94d92ac | 374 | struct bt_port *borrow_port_by_name(GPtrArray *ports, |
9ac68eb1 | 375 | const char *name) |
366e034f | 376 | { |
d94d92ac | 377 | uint64_t i; |
366e034f JG |
378 | struct bt_port *ret_port = NULL; |
379 | ||
f6ccaed9 | 380 | BT_ASSERT(name); |
72b913fb | 381 | |
366e034f JG |
382 | for (i = 0; i < ports->len; i++) { |
383 | struct bt_port *port = g_ptr_array_index(ports, i); | |
366e034f | 384 | |
d94d92ac PP |
385 | if (!strcmp(name, port->name->str)) { |
386 | ret_port = port; | |
366e034f JG |
387 | break; |
388 | } | |
389 | } | |
390 | ||
391 | return ret_port; | |
392 | } | |
393 | ||
394 | BT_HIDDEN | |
d94d92ac PP |
395 | struct bt_port_input *bt_component_borrow_input_port_by_name( |
396 | struct bt_component *comp, const char *name) | |
72b913fb | 397 | { |
f6ccaed9 | 398 | BT_ASSERT(comp); |
d94d92ac | 399 | return (void *) borrow_port_by_name(comp->input_ports, name); |
72b913fb PP |
400 | } |
401 | ||
402 | BT_HIDDEN | |
d94d92ac PP |
403 | struct bt_port_output *bt_component_borrow_output_port_by_name( |
404 | struct bt_component *comp, const char *name) | |
72b913fb | 405 | { |
d94d92ac PP |
406 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
407 | return (void *) | |
408 | borrow_port_by_name(comp->output_ports, name); | |
72b913fb PP |
409 | } |
410 | ||
411 | static | |
d94d92ac | 412 | struct bt_port *borrow_port_by_index(GPtrArray *ports, uint64_t index) |
366e034f | 413 | { |
d94d92ac PP |
414 | BT_ASSERT(index < ports->len); |
415 | return g_ptr_array_index(ports, index); | |
366e034f JG |
416 | } |
417 | ||
418 | BT_HIDDEN | |
d94d92ac PP |
419 | struct bt_port_input *bt_component_borrow_input_port_by_index( |
420 | struct bt_component *comp, uint64_t index) | |
366e034f | 421 | { |
d94d92ac PP |
422 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
423 | BT_ASSERT_PRE_VALID_INDEX(index, comp->input_ports->len); | |
424 | return (void *) | |
425 | borrow_port_by_index(comp->input_ports, index); | |
72b913fb | 426 | } |
366e034f | 427 | |
72b913fb | 428 | BT_HIDDEN |
d94d92ac PP |
429 | struct bt_port_output *bt_component_borrow_output_port_by_index( |
430 | struct bt_component *comp, uint64_t index) | |
72b913fb | 431 | { |
d94d92ac PP |
432 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
433 | BT_ASSERT_PRE_VALID_INDEX(index, comp->output_ports->len); | |
434 | return (void *) | |
435 | borrow_port_by_index(comp->output_ports, index); | |
72b913fb | 436 | } |
366e034f | 437 | |
72b913fb | 438 | BT_HIDDEN |
d94d92ac | 439 | struct bt_port_input *bt_component_add_input_port( |
3e9b0023 PP |
440 | struct bt_component *component, const char *name, |
441 | void *user_data) | |
72b913fb | 442 | { |
d94d92ac PP |
443 | /* add_port() logs details */ |
444 | return (void *) | |
445 | add_port(component, component->input_ports, | |
446 | BT_PORT_TYPE_INPUT, name, user_data); | |
72b913fb | 447 | } |
366e034f | 448 | |
72b913fb | 449 | BT_HIDDEN |
d94d92ac | 450 | struct bt_port_output *bt_component_add_output_port( |
3e9b0023 PP |
451 | struct bt_component *component, const char *name, |
452 | void *user_data) | |
72b913fb | 453 | { |
d94d92ac PP |
454 | /* add_port() logs details */ |
455 | return (void *) | |
456 | add_port(component, component->output_ports, | |
457 | BT_PORT_TYPE_OUTPUT, name, user_data); | |
72b913fb PP |
458 | } |
459 | ||
f60c8b34 | 460 | BT_HIDDEN |
d94d92ac | 461 | enum bt_self_component_status bt_component_accept_port_connection( |
8f4799f7 PP |
462 | struct bt_component *comp, struct bt_port *self_port, |
463 | struct bt_port *other_port) | |
f60c8b34 | 464 | { |
d94d92ac | 465 | typedef enum bt_self_component_status (*method_t)( |
0d72b8c3 | 466 | void *, void *, const void *); |
d94d92ac PP |
467 | |
468 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
469 | method_t method = NULL; | |
f60c8b34 | 470 | |
f6ccaed9 PP |
471 | BT_ASSERT(comp); |
472 | BT_ASSERT(self_port); | |
473 | BT_ASSERT(other_port); | |
72b913fb | 474 | |
d94d92ac PP |
475 | switch (comp->class->type) { |
476 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
477 | { | |
478 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
479 | ||
480 | switch (self_port->type) { | |
481 | case BT_PORT_TYPE_OUTPUT: | |
482 | method = (method_t) src_cc->methods.accept_output_port_connection; | |
483 | break; | |
484 | default: | |
485 | abort(); | |
486 | } | |
487 | ||
488 | break; | |
489 | } | |
490 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
491 | { | |
492 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
493 | ||
494 | switch (self_port->type) { | |
495 | case BT_PORT_TYPE_INPUT: | |
496 | method = (method_t) flt_cc->methods.accept_input_port_connection; | |
497 | break; | |
498 | case BT_PORT_TYPE_OUTPUT: | |
499 | method = (method_t) flt_cc->methods.accept_output_port_connection; | |
500 | break; | |
501 | default: | |
502 | abort(); | |
503 | } | |
504 | ||
505 | break; | |
506 | } | |
507 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
508 | { | |
509 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
510 | ||
511 | switch (self_port->type) { | |
512 | case BT_PORT_TYPE_INPUT: | |
513 | method = (method_t) sink_cc->methods.accept_input_port_connection; | |
514 | break; | |
515 | default: | |
516 | abort(); | |
517 | } | |
518 | ||
519 | break; | |
520 | } | |
521 | default: | |
522 | abort(); | |
523 | } | |
524 | ||
525 | if (method) { | |
526 | BT_LIB_LOGD("Calling user's \"accept port connection\" method: " | |
527 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
528 | comp, self_port, other_port); | |
0d72b8c3 | 529 | status = method(comp, self_port, (void *) other_port); |
ab0d387b | 530 | BT_LOGD("User method returned: status=%s", |
d94d92ac | 531 | bt_self_component_status_string(status)); |
f60c8b34 JG |
532 | } |
533 | ||
534 | return status; | |
535 | } | |
72b913fb | 536 | |
0d8b4d8e | 537 | BT_HIDDEN |
d94d92ac PP |
538 | enum bt_self_component_status bt_component_port_connected( |
539 | struct bt_component *comp, struct bt_port *self_port, | |
540 | struct bt_port *other_port) | |
0d8b4d8e | 541 | { |
d94d92ac | 542 | typedef enum bt_self_component_status (*method_t)( |
0d72b8c3 | 543 | void *, void *, const void *); |
d94d92ac PP |
544 | |
545 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
546 | method_t method = NULL; | |
bf55043c | 547 | |
f6ccaed9 PP |
548 | BT_ASSERT(comp); |
549 | BT_ASSERT(self_port); | |
550 | BT_ASSERT(other_port); | |
0d8b4d8e | 551 | |
d94d92ac PP |
552 | switch (comp->class->type) { |
553 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
554 | { | |
555 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
556 | ||
557 | switch (self_port->type) { | |
558 | case BT_PORT_TYPE_OUTPUT: | |
559 | method = (method_t) src_cc->methods.output_port_connected; | |
560 | break; | |
561 | default: | |
562 | abort(); | |
563 | } | |
564 | ||
565 | break; | |
566 | } | |
567 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
568 | { | |
569 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
570 | ||
571 | switch (self_port->type) { | |
572 | case BT_PORT_TYPE_INPUT: | |
573 | method = (method_t) flt_cc->methods.input_port_connected; | |
574 | break; | |
575 | case BT_PORT_TYPE_OUTPUT: | |
576 | method = (method_t) flt_cc->methods.output_port_connected; | |
577 | break; | |
578 | default: | |
579 | abort(); | |
580 | } | |
581 | ||
582 | break; | |
583 | } | |
584 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
585 | { | |
586 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
587 | ||
588 | switch (self_port->type) { | |
589 | case BT_PORT_TYPE_INPUT: | |
590 | method = (method_t) sink_cc->methods.input_port_connected; | |
591 | break; | |
592 | default: | |
593 | abort(); | |
594 | } | |
595 | ||
596 | break; | |
597 | } | |
598 | default: | |
599 | abort(); | |
600 | } | |
601 | ||
602 | if (method) { | |
603 | BT_LIB_LOGD("Calling user's \"port connected\" method: " | |
604 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
605 | comp, self_port, other_port); | |
0d72b8c3 | 606 | status = method(comp, self_port, (void *) other_port); |
d94d92ac PP |
607 | BT_LOGD("User method returned: status=%s", |
608 | bt_self_component_status_string(status)); | |
4725a201 PP |
609 | BT_ASSERT_PRE(status == BT_SELF_COMPONENT_STATUS_OK || |
610 | status == BT_SELF_COMPONENT_STATUS_ERROR || | |
611 | status == BT_SELF_COMPONENT_STATUS_NOMEM, | |
612 | "Unexpected returned component status: status=%s", | |
613 | bt_self_component_status_string(status)); | |
0d8b4d8e | 614 | } |
bf55043c PP |
615 | |
616 | return status; | |
0d8b4d8e PP |
617 | } |
618 | ||
3230ee6b PP |
619 | BT_HIDDEN |
620 | void bt_component_add_destroy_listener(struct bt_component *component, | |
621 | bt_component_destroy_listener_func func, void *data) | |
622 | { | |
623 | struct bt_component_destroy_listener listener; | |
624 | ||
f6ccaed9 PP |
625 | BT_ASSERT(component); |
626 | BT_ASSERT(func); | |
3230ee6b PP |
627 | listener.func = func; |
628 | listener.data = data; | |
629 | g_array_append_val(component->destroy_listeners, listener); | |
d94d92ac | 630 | BT_LIB_LOGV("Added destroy listener: %![comp-]+c, " |
ab0d387b | 631 | "func-addr=%p, data-addr=%p", |
d94d92ac | 632 | component, func, data); |
3230ee6b PP |
633 | } |
634 | ||
635 | BT_HIDDEN | |
636 | void bt_component_remove_destroy_listener(struct bt_component *component, | |
637 | bt_component_destroy_listener_func func, void *data) | |
638 | { | |
d94d92ac | 639 | uint64_t i; |
3230ee6b | 640 | |
f6ccaed9 PP |
641 | BT_ASSERT(component); |
642 | BT_ASSERT(func); | |
3230ee6b PP |
643 | |
644 | for (i = 0; i < component->destroy_listeners->len; i++) { | |
645 | struct bt_component_destroy_listener *listener = | |
646 | &g_array_index(component->destroy_listeners, | |
647 | struct bt_component_destroy_listener, i); | |
648 | ||
649 | if (listener->func == func && listener->data == data) { | |
650 | g_array_remove_index(component->destroy_listeners, i); | |
651 | i--; | |
d94d92ac | 652 | BT_LIB_LOGV("Removed destroy listener: %![comp-]+c, " |
ab0d387b | 653 | "func-addr=%p, data-addr=%p", |
d94d92ac | 654 | component, func, data); |
3230ee6b PP |
655 | } |
656 | } | |
657 | } | |
c5b9b441 PP |
658 | |
659 | void bt_component_get_ref(const struct bt_component *component) | |
660 | { | |
661 | bt_object_get_ref(component); | |
662 | } | |
663 | ||
664 | void bt_component_put_ref(const struct bt_component *component) | |
665 | { | |
666 | bt_object_put_ref(component); | |
667 | } |