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); | |
4725a201 PP |
207 | BT_ASSERT_PRE(!graph->is_configured, |
208 | "Component's graph is already configured: " | |
209 | "%![comp-]+c, %![graph-]+g", component, graph); | |
72b913fb | 210 | |
d94d92ac | 211 | // TODO: Validate that the name is not already used. |
ab0d387b | 212 | |
d94d92ac | 213 | BT_LIB_LOGD("Adding port to component: %![comp-]+c, " |
ab0d387b | 214 | "port-type=%s, port-name=\"%s\"", component, |
ab0d387b PP |
215 | bt_port_type_string(port_type), name); |
216 | ||
3e9b0023 | 217 | new_port = bt_port_create(component, port_type, name, user_data); |
72b913fb | 218 | if (!new_port) { |
d94d92ac | 219 | BT_LOGE_STR("Cannot create port object."); |
72b913fb PP |
220 | goto end; |
221 | } | |
222 | ||
223 | /* | |
224 | * No name clash, add the port. | |
225 | * The component is now the port's parent; it should _not_ | |
226 | * hold a reference to the port since the port's lifetime | |
227 | * is now protected by the component's own lifetime. | |
228 | */ | |
229 | g_ptr_array_add(ports, new_port); | |
1bf957a0 PP |
230 | |
231 | /* | |
232 | * Notify the graph's creator that a new port was added. | |
233 | */ | |
398454ed PP |
234 | bt_object_get_ref(bt_component_borrow_graph(component)); |
235 | graph = bt_component_borrow_graph(component); | |
1bf957a0 PP |
236 | if (graph) { |
237 | bt_graph_notify_port_added(graph, new_port); | |
65300d60 | 238 | BT_OBJECT_PUT_REF_AND_RESET(graph); |
1bf957a0 PP |
239 | } |
240 | ||
d94d92ac PP |
241 | BT_LIB_LOGD("Created and added port to component: " |
242 | "%![comp-]+c, %![port-]+p", component, new_port); | |
ab0d387b | 243 | |
72b913fb PP |
244 | end: |
245 | return new_port; | |
246 | } | |
247 | ||
248 | BT_HIDDEN | |
0d72b8c3 | 249 | uint64_t bt_component_get_input_port_count(const struct bt_component *comp) |
72b913fb | 250 | { |
d94d92ac PP |
251 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
252 | return (uint64_t) comp->input_ports->len; | |
72b913fb PP |
253 | } |
254 | ||
255 | BT_HIDDEN | |
0d72b8c3 | 256 | uint64_t bt_component_get_output_port_count(const struct bt_component *comp) |
72b913fb | 257 | { |
d94d92ac PP |
258 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
259 | return (uint64_t) comp->output_ports->len; | |
72b913fb PP |
260 | } |
261 | ||
dd8a4547 | 262 | BT_HIDDEN |
d94d92ac | 263 | int bt_component_create(struct bt_component_class *component_class, |
36712f1d | 264 | const char *name, struct bt_component **user_component) |
38b48196 | 265 | { |
d94d92ac | 266 | int ret = 0; |
38b48196 | 267 | struct bt_component *component = NULL; |
d3e4dcd8 | 268 | enum bt_component_class_type type; |
38b48196 | 269 | |
f6ccaed9 PP |
270 | BT_ASSERT(user_component); |
271 | BT_ASSERT(component_class); | |
272 | BT_ASSERT(name); | |
7c7c0433 | 273 | type = bt_component_class_get_type(component_class); |
d94d92ac PP |
274 | BT_LIB_LOGD("Creating empty component from component class: %![cc-]+C, " |
275 | "comp-name=\"%s\"", component_class, name); | |
36712f1d | 276 | component = component_create_funcs[type](component_class); |
7c7c0433 | 277 | if (!component) { |
ab0d387b | 278 | BT_LOGE_STR("Cannot create specific component object."); |
d94d92ac | 279 | ret = -1; |
7c7c0433 JG |
280 | goto end; |
281 | } | |
282 | ||
d0fea130 | 283 | bt_object_init_shared_with_parent(&component->base, destroy_component); |
398454ed PP |
284 | component->class = component_class; |
285 | bt_object_get_no_null_check(component->class); | |
72b913fb | 286 | component->destroy = component_destroy_funcs[type]; |
7c7c0433 | 287 | component->name = g_string_new(name); |
4b70dd83 | 288 | if (!component->name) { |
ab0d387b | 289 | BT_LOGE_STR("Failed to allocate one GString."); |
d94d92ac | 290 | ret = -1; |
7c7c0433 JG |
291 | goto end; |
292 | } | |
293 | ||
72b913fb | 294 | component->input_ports = g_ptr_array_new_with_free_func( |
3fea54f6 | 295 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 296 | if (!component->input_ports) { |
ab0d387b | 297 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
d94d92ac | 298 | ret = -1; |
72b913fb PP |
299 | goto end; |
300 | } | |
301 | ||
302 | component->output_ports = g_ptr_array_new_with_free_func( | |
3fea54f6 | 303 | (GDestroyNotify) bt_object_try_spec_release); |
72b913fb | 304 | if (!component->output_ports) { |
ab0d387b | 305 | BT_LOGE_STR("Failed to allocate one GPtrArray."); |
d94d92ac | 306 | ret = -1; |
72b913fb PP |
307 | goto end; |
308 | } | |
309 | ||
3230ee6b PP |
310 | component->destroy_listeners = g_array_new(FALSE, TRUE, |
311 | sizeof(struct bt_component_destroy_listener)); | |
312 | if (!component->destroy_listeners) { | |
ab0d387b | 313 | BT_LOGE_STR("Failed to allocate one GArray."); |
d94d92ac | 314 | ret = -1; |
3230ee6b PP |
315 | goto end; |
316 | } | |
317 | ||
d94d92ac PP |
318 | BT_LIB_LOGD("Created empty component from component class: " |
319 | "%![cc-]+C, %![comp-]+c", component_class, component); | |
65300d60 | 320 | BT_OBJECT_MOVE_REF(*user_component, component); |
ab0d387b | 321 | |
38b48196 | 322 | end: |
65300d60 | 323 | bt_object_put_ref(component); |
d94d92ac | 324 | return ret; |
6358c163 PP |
325 | } |
326 | ||
0d72b8c3 | 327 | const char *bt_component_get_name(const struct bt_component *component) |
de713ce0 | 328 | { |
d94d92ac PP |
329 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
330 | return component->name->str; | |
de713ce0 JG |
331 | } |
332 | ||
d94d92ac | 333 | struct bt_component_class *bt_component_borrow_class( |
0d72b8c3 | 334 | const struct bt_component *component) |
de713ce0 | 335 | { |
d94d92ac PP |
336 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
337 | return component->class; | |
de713ce0 JG |
338 | } |
339 | ||
0d72b8c3 | 340 | void *bt_self_component_get_data(const struct bt_self_component *self_comp) |
de713ce0 | 341 | { |
d94d92ac | 342 | struct bt_component *component = (void *) self_comp; |
890882ef | 343 | |
d94d92ac PP |
344 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
345 | return component->user_data; | |
de713ce0 JG |
346 | } |
347 | ||
d94d92ac | 348 | void bt_self_component_set_data(struct bt_self_component *self_comp, |
de713ce0 JG |
349 | void *data) |
350 | { | |
d94d92ac | 351 | struct bt_component *component = (void *) self_comp; |
ab0d387b | 352 | |
d94d92ac | 353 | BT_ASSERT_PRE_NON_NULL(component, "Component"); |
de713ce0 | 354 | component->user_data = data; |
d94d92ac | 355 | BT_LIB_LOGV("Set component's user data: %!+c", component); |
de713ce0 | 356 | } |
366e034f JG |
357 | |
358 | BT_HIDDEN | |
f60c8b34 | 359 | void bt_component_set_graph(struct bt_component *component, |
366e034f JG |
360 | struct bt_graph *graph) |
361 | { | |
3fea54f6 PP |
362 | bt_object_set_parent(&component->base, |
363 | graph ? &graph->base : NULL); | |
366e034f JG |
364 | } |
365 | ||
0d72b8c3 | 366 | bt_bool bt_component_graph_is_canceled(const struct bt_component *component) |
366e034f | 367 | { |
e5be10ef PP |
368 | return bt_graph_is_canceled( |
369 | (void *) bt_object_borrow_parent(&component->base)); | |
366e034f JG |
370 | } |
371 | ||
72b913fb | 372 | static |
d94d92ac | 373 | struct bt_port *borrow_port_by_name(GPtrArray *ports, |
9ac68eb1 | 374 | const char *name) |
366e034f | 375 | { |
d94d92ac | 376 | uint64_t i; |
366e034f JG |
377 | struct bt_port *ret_port = NULL; |
378 | ||
f6ccaed9 | 379 | BT_ASSERT(name); |
72b913fb | 380 | |
366e034f JG |
381 | for (i = 0; i < ports->len; i++) { |
382 | struct bt_port *port = g_ptr_array_index(ports, i); | |
366e034f | 383 | |
d94d92ac PP |
384 | if (!strcmp(name, port->name->str)) { |
385 | ret_port = port; | |
366e034f JG |
386 | break; |
387 | } | |
388 | } | |
389 | ||
390 | return ret_port; | |
391 | } | |
392 | ||
393 | BT_HIDDEN | |
d94d92ac PP |
394 | struct bt_port_input *bt_component_borrow_input_port_by_name( |
395 | struct bt_component *comp, const char *name) | |
72b913fb | 396 | { |
f6ccaed9 | 397 | BT_ASSERT(comp); |
d94d92ac | 398 | return (void *) borrow_port_by_name(comp->input_ports, name); |
72b913fb PP |
399 | } |
400 | ||
401 | BT_HIDDEN | |
d94d92ac PP |
402 | struct bt_port_output *bt_component_borrow_output_port_by_name( |
403 | struct bt_component *comp, const char *name) | |
72b913fb | 404 | { |
d94d92ac PP |
405 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
406 | return (void *) | |
407 | borrow_port_by_name(comp->output_ports, name); | |
72b913fb PP |
408 | } |
409 | ||
410 | static | |
d94d92ac | 411 | struct bt_port *borrow_port_by_index(GPtrArray *ports, uint64_t index) |
366e034f | 412 | { |
d94d92ac PP |
413 | BT_ASSERT(index < ports->len); |
414 | return g_ptr_array_index(ports, index); | |
366e034f JG |
415 | } |
416 | ||
417 | BT_HIDDEN | |
d94d92ac PP |
418 | struct bt_port_input *bt_component_borrow_input_port_by_index( |
419 | struct bt_component *comp, uint64_t index) | |
366e034f | 420 | { |
d94d92ac PP |
421 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
422 | BT_ASSERT_PRE_VALID_INDEX(index, comp->input_ports->len); | |
423 | return (void *) | |
424 | borrow_port_by_index(comp->input_ports, index); | |
72b913fb | 425 | } |
366e034f | 426 | |
72b913fb | 427 | BT_HIDDEN |
d94d92ac PP |
428 | struct bt_port_output *bt_component_borrow_output_port_by_index( |
429 | struct bt_component *comp, uint64_t index) | |
72b913fb | 430 | { |
d94d92ac PP |
431 | BT_ASSERT_PRE_NON_NULL(comp, "Component"); |
432 | BT_ASSERT_PRE_VALID_INDEX(index, comp->output_ports->len); | |
433 | return (void *) | |
434 | borrow_port_by_index(comp->output_ports, index); | |
72b913fb | 435 | } |
366e034f | 436 | |
72b913fb | 437 | BT_HIDDEN |
d94d92ac | 438 | struct bt_port_input *bt_component_add_input_port( |
3e9b0023 PP |
439 | struct bt_component *component, const char *name, |
440 | void *user_data) | |
72b913fb | 441 | { |
d94d92ac PP |
442 | /* add_port() logs details */ |
443 | return (void *) | |
444 | add_port(component, component->input_ports, | |
445 | BT_PORT_TYPE_INPUT, name, user_data); | |
72b913fb | 446 | } |
366e034f | 447 | |
72b913fb | 448 | BT_HIDDEN |
d94d92ac | 449 | struct bt_port_output *bt_component_add_output_port( |
3e9b0023 PP |
450 | struct bt_component *component, const char *name, |
451 | void *user_data) | |
72b913fb | 452 | { |
d94d92ac PP |
453 | /* add_port() logs details */ |
454 | return (void *) | |
455 | add_port(component, component->output_ports, | |
456 | BT_PORT_TYPE_OUTPUT, name, user_data); | |
72b913fb PP |
457 | } |
458 | ||
f60c8b34 | 459 | BT_HIDDEN |
d94d92ac | 460 | enum bt_self_component_status bt_component_accept_port_connection( |
8f4799f7 PP |
461 | struct bt_component *comp, struct bt_port *self_port, |
462 | struct bt_port *other_port) | |
f60c8b34 | 463 | { |
d94d92ac | 464 | typedef enum bt_self_component_status (*method_t)( |
0d72b8c3 | 465 | void *, void *, const void *); |
d94d92ac PP |
466 | |
467 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
468 | method_t method = NULL; | |
f60c8b34 | 469 | |
f6ccaed9 PP |
470 | BT_ASSERT(comp); |
471 | BT_ASSERT(self_port); | |
472 | BT_ASSERT(other_port); | |
72b913fb | 473 | |
d94d92ac PP |
474 | switch (comp->class->type) { |
475 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
476 | { | |
477 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
478 | ||
479 | switch (self_port->type) { | |
480 | case BT_PORT_TYPE_OUTPUT: | |
481 | method = (method_t) src_cc->methods.accept_output_port_connection; | |
482 | break; | |
483 | default: | |
484 | abort(); | |
485 | } | |
486 | ||
487 | break; | |
488 | } | |
489 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
490 | { | |
491 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
492 | ||
493 | switch (self_port->type) { | |
494 | case BT_PORT_TYPE_INPUT: | |
495 | method = (method_t) flt_cc->methods.accept_input_port_connection; | |
496 | break; | |
497 | case BT_PORT_TYPE_OUTPUT: | |
498 | method = (method_t) flt_cc->methods.accept_output_port_connection; | |
499 | break; | |
500 | default: | |
501 | abort(); | |
502 | } | |
503 | ||
504 | break; | |
505 | } | |
506 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
507 | { | |
508 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
509 | ||
510 | switch (self_port->type) { | |
511 | case BT_PORT_TYPE_INPUT: | |
512 | method = (method_t) sink_cc->methods.accept_input_port_connection; | |
513 | break; | |
514 | default: | |
515 | abort(); | |
516 | } | |
517 | ||
518 | break; | |
519 | } | |
520 | default: | |
521 | abort(); | |
522 | } | |
523 | ||
524 | if (method) { | |
525 | BT_LIB_LOGD("Calling user's \"accept port connection\" method: " | |
526 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
527 | comp, self_port, other_port); | |
0d72b8c3 | 528 | status = method(comp, self_port, (void *) other_port); |
ab0d387b | 529 | BT_LOGD("User method returned: status=%s", |
d94d92ac | 530 | bt_self_component_status_string(status)); |
f60c8b34 JG |
531 | } |
532 | ||
533 | return status; | |
534 | } | |
72b913fb | 535 | |
0d8b4d8e | 536 | BT_HIDDEN |
d94d92ac PP |
537 | enum bt_self_component_status bt_component_port_connected( |
538 | struct bt_component *comp, struct bt_port *self_port, | |
539 | struct bt_port *other_port) | |
0d8b4d8e | 540 | { |
d94d92ac | 541 | typedef enum bt_self_component_status (*method_t)( |
0d72b8c3 | 542 | void *, void *, const void *); |
d94d92ac PP |
543 | |
544 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
545 | method_t method = NULL; | |
bf55043c | 546 | |
f6ccaed9 PP |
547 | BT_ASSERT(comp); |
548 | BT_ASSERT(self_port); | |
549 | BT_ASSERT(other_port); | |
0d8b4d8e | 550 | |
d94d92ac PP |
551 | switch (comp->class->type) { |
552 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
553 | { | |
554 | struct bt_component_class_source *src_cc = (void *) comp->class; | |
555 | ||
556 | switch (self_port->type) { | |
557 | case BT_PORT_TYPE_OUTPUT: | |
558 | method = (method_t) src_cc->methods.output_port_connected; | |
559 | break; | |
560 | default: | |
561 | abort(); | |
562 | } | |
563 | ||
564 | break; | |
565 | } | |
566 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
567 | { | |
568 | struct bt_component_class_filter *flt_cc = (void *) comp->class; | |
569 | ||
570 | switch (self_port->type) { | |
571 | case BT_PORT_TYPE_INPUT: | |
572 | method = (method_t) flt_cc->methods.input_port_connected; | |
573 | break; | |
574 | case BT_PORT_TYPE_OUTPUT: | |
575 | method = (method_t) flt_cc->methods.output_port_connected; | |
576 | break; | |
577 | default: | |
578 | abort(); | |
579 | } | |
580 | ||
581 | break; | |
582 | } | |
583 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
584 | { | |
585 | struct bt_component_class_sink *sink_cc = (void *) comp->class; | |
586 | ||
587 | switch (self_port->type) { | |
588 | case BT_PORT_TYPE_INPUT: | |
589 | method = (method_t) sink_cc->methods.input_port_connected; | |
590 | break; | |
591 | default: | |
592 | abort(); | |
593 | } | |
594 | ||
595 | break; | |
596 | } | |
597 | default: | |
598 | abort(); | |
599 | } | |
600 | ||
601 | if (method) { | |
602 | BT_LIB_LOGD("Calling user's \"port connected\" method: " | |
603 | "%![comp-]+c, %![self-port-]+p, %![other-port-]+p", | |
604 | comp, self_port, other_port); | |
0d72b8c3 | 605 | status = method(comp, self_port, (void *) other_port); |
d94d92ac PP |
606 | BT_LOGD("User method returned: status=%s", |
607 | bt_self_component_status_string(status)); | |
4725a201 PP |
608 | BT_ASSERT_PRE(status == BT_SELF_COMPONENT_STATUS_OK || |
609 | status == BT_SELF_COMPONENT_STATUS_ERROR || | |
610 | status == BT_SELF_COMPONENT_STATUS_NOMEM, | |
611 | "Unexpected returned component status: status=%s", | |
612 | bt_self_component_status_string(status)); | |
0d8b4d8e | 613 | } |
bf55043c PP |
614 | |
615 | return status; | |
0d8b4d8e PP |
616 | } |
617 | ||
3230ee6b PP |
618 | BT_HIDDEN |
619 | void bt_component_add_destroy_listener(struct bt_component *component, | |
620 | bt_component_destroy_listener_func func, void *data) | |
621 | { | |
622 | struct bt_component_destroy_listener listener; | |
623 | ||
f6ccaed9 PP |
624 | BT_ASSERT(component); |
625 | BT_ASSERT(func); | |
3230ee6b PP |
626 | listener.func = func; |
627 | listener.data = data; | |
628 | g_array_append_val(component->destroy_listeners, listener); | |
d94d92ac | 629 | BT_LIB_LOGV("Added destroy listener: %![comp-]+c, " |
ab0d387b | 630 | "func-addr=%p, data-addr=%p", |
d94d92ac | 631 | component, func, data); |
3230ee6b PP |
632 | } |
633 | ||
634 | BT_HIDDEN | |
635 | void bt_component_remove_destroy_listener(struct bt_component *component, | |
636 | bt_component_destroy_listener_func func, void *data) | |
637 | { | |
d94d92ac | 638 | uint64_t i; |
3230ee6b | 639 | |
f6ccaed9 PP |
640 | BT_ASSERT(component); |
641 | BT_ASSERT(func); | |
3230ee6b PP |
642 | |
643 | for (i = 0; i < component->destroy_listeners->len; i++) { | |
644 | struct bt_component_destroy_listener *listener = | |
645 | &g_array_index(component->destroy_listeners, | |
646 | struct bt_component_destroy_listener, i); | |
647 | ||
648 | if (listener->func == func && listener->data == data) { | |
649 | g_array_remove_index(component->destroy_listeners, i); | |
650 | i--; | |
d94d92ac | 651 | BT_LIB_LOGV("Removed destroy listener: %![comp-]+c, " |
ab0d387b | 652 | "func-addr=%p, data-addr=%p", |
d94d92ac | 653 | component, func, data); |
3230ee6b PP |
654 | } |
655 | } | |
656 | } | |
c5b9b441 PP |
657 | |
658 | void bt_component_get_ref(const struct bt_component *component) | |
659 | { | |
660 | bt_object_get_ref(component); | |
661 | } | |
662 | ||
663 | void bt_component_put_ref(const struct bt_component *component) | |
664 | { | |
665 | bt_object_put_ref(component); | |
666 | } |