src/lib/graph/component.c

   1 /*
   2  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   3  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4  *
   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
  24 #define BT_LOG_TAG "LIB/COMPONENT"
  25 #include "lib/lib-logging.h"
  26
  27 #include "common/assert.h"
  28 #include "lib/assert-pre.h"
  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>
  34 #include "common/macros.h"
  35 #include "compat/compiler.h"
  36 #include <babeltrace2/types.h>
  37 #include <babeltrace2/value.h>
  38 #include "lib/value.h"
  39 #include <stdint.h>
  40 #include <inttypes.h>
  41
  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
  52 static
  53 struct bt_component * (* const component_create_funcs[])(
  54                 const struct bt_component_class *) = {
  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,
  58 };
  59
  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
  67 static
  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) {
 103                 BT_LIB_LOGI("Calling user's component finalization method: "
 104                         "%![comp-]+c", comp);
 105                 method(comp);
 106         }
 107 }
 108
 109 static
 110 void destroy_component(struct bt_object *obj)
 111 {
 112         struct bt_component *component = NULL;
 113         int i;
 114
 115         if (!obj) {
 116                 return;
 117         }
 118
 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
 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.
 128          */
 129         obj->ref_count++;
 130         component = container_of(obj, struct bt_component, base);
 131         BT_LIB_LOGI("Destroying component: %![comp-]+c, %![graph-]+g",
 132                 component, bt_component_borrow_graph(component));
 133
 134         /* Call destroy listeners in reverse registration order */
 135         BT_LOGD_STR("Calling destroy listeners.");
 136
 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
 145         /*
 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.
 149          */
 150         if (component->initialized) {
 151                 finalize_component(component);
 152         }
 153
 154         if (component->destroy) {
 155                 BT_LOGD_STR("Destroying type-specific data.");
 156                 component->destroy(component);
 157         }
 158
 159         if (component->input_ports) {
 160                 BT_LOGD_STR("Destroying input ports.");
 161                 g_ptr_array_free(component->input_ports, TRUE);
 162                 component->input_ports = NULL;
 163         }
 164
 165         if (component->output_ports) {
 166                 BT_LOGD_STR("Destroying output ports.");
 167                 g_ptr_array_free(component->output_ports, TRUE);
 168                 component->output_ports = NULL;
 169         }
 170
 171         if (component->destroy_listeners) {
 172                 g_array_free(component->destroy_listeners, TRUE);
 173                 component->destroy_listeners = NULL;
 174         }
 175
 176         if (component->name) {
 177                 g_string_free(component->name, TRUE);
 178                 component->name = NULL;
 179         }
 180
 181         BT_LOGD_STR("Putting component class.");
 182         BT_OBJECT_PUT_REF_AND_RESET(component->class);
 183         g_free(component);
 184 }
 185
 186 enum bt_component_class_type bt_component_get_class_type(
 187                 const struct bt_component *component)
 188 {
 189         BT_ASSERT_PRE_NON_NULL(component, "Component");
 190         return component->class->type;
 191 }
 192
 193 static
 194 enum bt_self_component_status add_port(
 195                 struct bt_component *component, GPtrArray *ports,
 196                 enum bt_port_type port_type, const char *name, void *user_data,
 197                 struct bt_port **port)
 198 {
 199         struct bt_port *new_port = NULL;
 200         struct bt_graph *graph = NULL;
 201         enum bt_self_component_status status;
 202
 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);
 210         BT_ASSERT_PRE(
 211                 graph->config_state == BT_GRAPH_CONFIGURATION_STATE_CONFIGURING,
 212                 "Component's graph is already configured: "
 213                 "%![comp-]+c, %![graph-]+g", component, graph);
 214
 215         // TODO: Validate that the name is not already used.
 216
 217         BT_LIB_LOGI("Adding port to component: %![comp-]+c, "
 218                 "port-type=%s, port-name=\"%s\"", component,
 219                 bt_port_type_string(port_type), name);
 220
 221         new_port = bt_port_create(component, port_type, name, user_data);
 222         if (!new_port) {
 223                 BT_LOGE_STR("Cannot create port object.");
 224                 status = BT_SELF_COMPONENT_STATUS_NOMEM;
 225                 goto error;
 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);
 235
 236         /*
 237          * Notify the graph's creator that a new port was added.
 238          */
 239         graph = bt_component_borrow_graph(component);
 240         if (graph) {
 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                 }
 249         }
 250
 251         BT_LIB_LOGI("Created and added port to component: "
 252                 "%![comp-]+c, %![port-]+p", component, new_port);
 253
 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
 265 end:
 266         return status;
 267 }
 268
 269 BT_HIDDEN
 270 uint64_t bt_component_get_input_port_count(const struct bt_component *comp)
 271 {
 272         BT_ASSERT_PRE_NON_NULL(comp, "Component");
 273         return (uint64_t) comp->input_ports->len;
 274 }
 275
 276 BT_HIDDEN
 277 uint64_t bt_component_get_output_port_count(const struct bt_component *comp)
 278 {
 279         BT_ASSERT_PRE_NON_NULL(comp, "Component");
 280         return (uint64_t) comp->output_ports->len;
 281 }
 282
 283 BT_HIDDEN
 284 int bt_component_create(struct bt_component_class *component_class,
 285                 const char *name, struct bt_component **user_component)
 286 {
 287         int ret = 0;
 288         struct bt_component *component = NULL;
 289         enum bt_component_class_type type;
 290
 291         BT_ASSERT(user_component);
 292         BT_ASSERT(component_class);
 293         BT_ASSERT(name);
 294         type = bt_component_class_get_type(component_class);
 295         BT_LIB_LOGI("Creating empty component from component class: %![cc-]+C, "
 296                 "comp-name=\"%s\"", component_class, name);
 297         component = component_create_funcs[type](component_class);
 298         if (!component) {
 299                 BT_LOGE_STR("Cannot create specific component object.");
 300                 ret = -1;
 301                 goto end;
 302         }
 303
 304         bt_object_init_shared_with_parent(&component->base, destroy_component);
 305         component->class = component_class;
 306         bt_object_get_no_null_check(component->class);
 307         component->destroy = component_destroy_funcs[type];
 308         component->name = g_string_new(name);
 309         if (!component->name) {
 310                 BT_LOGE_STR("Failed to allocate one GString.");
 311                 ret = -1;
 312                 goto end;
 313         }
 314
 315         component->input_ports = g_ptr_array_new_with_free_func(
 316                 (GDestroyNotify) bt_object_try_spec_release);
 317         if (!component->input_ports) {
 318                 BT_LOGE_STR("Failed to allocate one GPtrArray.");
 319                 ret = -1;
 320                 goto end;
 321         }
 322
 323         component->output_ports = g_ptr_array_new_with_free_func(
 324                 (GDestroyNotify) bt_object_try_spec_release);
 325         if (!component->output_ports) {
 326                 BT_LOGE_STR("Failed to allocate one GPtrArray.");
 327                 ret = -1;
 328                 goto end;
 329         }
 330
 331         component->destroy_listeners = g_array_new(FALSE, TRUE,
 332                 sizeof(struct bt_component_destroy_listener));
 333         if (!component->destroy_listeners) {
 334                 BT_LOGE_STR("Failed to allocate one GArray.");
 335                 ret = -1;
 336                 goto end;
 337         }
 338
 339         BT_LIB_LOGI("Created empty component from component class: "
 340                 "%![cc-]+C, %![comp-]+c", component_class, component);
 341         BT_OBJECT_MOVE_REF(*user_component, component);
 342
 343 end:
 344         bt_object_put_ref(component);
 345         return ret;
 346 }
 347
 348 const char *bt_component_get_name(const struct bt_component *component)
 349 {
 350         BT_ASSERT_PRE_NON_NULL(component, "Component");
 351         return component->name->str;
 352 }
 353
 354 const struct bt_component_class *bt_component_borrow_class_const(
 355                 const struct bt_component *component)
 356 {
 357         BT_ASSERT_PRE_NON_NULL(component, "Component");
 358         return component->class;
 359 }
 360
 361 void *bt_self_component_get_data(const struct bt_self_component *self_comp)
 362 {
 363         struct bt_component *component = (void *) self_comp;
 364
 365         BT_ASSERT_PRE_NON_NULL(component, "Component");
 366         return component->user_data;
 367 }
 368
 369 void bt_self_component_set_data(struct bt_self_component *self_comp,
 370                 void *data)
 371 {
 372         struct bt_component *component = (void *) self_comp;
 373
 374         BT_ASSERT_PRE_NON_NULL(component, "Component");
 375         component->user_data = data;
 376         BT_LIB_LOGD("Set component's user data: %!+c", component);
 377 }
 378
 379 BT_HIDDEN
 380 void bt_component_set_graph(struct bt_component *component,
 381                 struct bt_graph *graph)
 382 {
 383         bt_object_set_parent(&component->base,
 384                 graph ? &graph->base : NULL);
 385 }
 386
 387 bt_bool bt_component_graph_is_canceled(const struct bt_component *component)
 388 {
 389         return bt_graph_is_canceled(
 390                 (void *) bt_object_borrow_parent(&component->base));
 391 }
 392
 393 static
 394 struct bt_port *borrow_port_by_name(GPtrArray *ports,
 395                 const char *name)
 396 {
 397         uint64_t i;
 398         struct bt_port *ret_port = NULL;
 399
 400         BT_ASSERT(name);
 401
 402         for (i = 0; i < ports->len; i++) {
 403                 struct bt_port *port = g_ptr_array_index(ports, i);
 404
 405                 if (!strcmp(name, port->name->str)) {
 406                         ret_port = port;
 407                         break;
 408                 }
 409         }
 410
 411         return ret_port;
 412 }
 413
 414 BT_HIDDEN
 415 struct bt_port_input *bt_component_borrow_input_port_by_name(
 416                 struct bt_component *comp, const char *name)
 417 {
 418         BT_ASSERT(comp);
 419         return (void *) borrow_port_by_name(comp->input_ports, name);
 420 }
 421
 422 BT_HIDDEN
 423 struct bt_port_output *bt_component_borrow_output_port_by_name(
 424                 struct bt_component *comp, const char *name)
 425 {
 426         BT_ASSERT_PRE_NON_NULL(comp, "Component");
 427         return (void *)
 428                 borrow_port_by_name(comp->output_ports, name);
 429 }
 430
 431 static
 432 struct bt_port *borrow_port_by_index(GPtrArray *ports, uint64_t index)
 433 {
 434         BT_ASSERT(index < ports->len);
 435         return g_ptr_array_index(ports, index);
 436 }
 437
 438 BT_HIDDEN
 439 struct bt_port_input *bt_component_borrow_input_port_by_index(
 440                 struct bt_component *comp, uint64_t index)
 441 {
 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);
 446 }
 447
 448 BT_HIDDEN
 449 struct bt_port_output *bt_component_borrow_output_port_by_index(
 450                 struct bt_component *comp, uint64_t index)
 451 {
 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);
 456 }
 457
 458 BT_HIDDEN
 459 enum bt_self_component_status bt_component_add_input_port(
 460                 struct bt_component *component, const char *name,
 461                 void *user_data, struct bt_port **port)
 462 {
 463         /* add_port() logs details */
 464         return add_port(component, component->input_ports,
 465                 BT_PORT_TYPE_INPUT, name, user_data, port);
 466 }
 467
 468 BT_HIDDEN
 469 enum bt_self_component_status bt_component_add_output_port(
 470                 struct bt_component *component, const char *name,
 471                 void *user_data, struct bt_port **port)
 472 {
 473         /* add_port() logs details */
 474         return add_port(component, component->output_ports,
 475                 BT_PORT_TYPE_OUTPUT, name, user_data, port);
 476 }
 477
 478 BT_HIDDEN
 479 enum bt_self_component_status bt_component_accept_port_connection(
 480                 struct bt_component *comp, struct bt_port *self_port,
 481                 struct bt_port *other_port)
 482 {
 483         typedef enum bt_self_component_status (*method_t)(
 484                 void *, void *, const void *);
 485
 486         enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
 487         method_t method = NULL;
 488
 489         BT_ASSERT(comp);
 490         BT_ASSERT(self_port);
 491         BT_ASSERT(other_port);
 492
 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);
 547                 status = method(comp, self_port, (void *) other_port);
 548                 BT_LOGD("User method returned: status=%s",
 549                         bt_self_component_status_string(status));
 550         }
 551
 552         return status;
 553 }
 554
 555 BT_HIDDEN
 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)
 559 {
 560         typedef enum bt_self_component_status (*method_t)(
 561                 void *, void *, const void *);
 562
 563         enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
 564         method_t method = NULL;
 565
 566         BT_ASSERT(comp);
 567         BT_ASSERT(self_port);
 568         BT_ASSERT(other_port);
 569
 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);
 624                 status = method(comp, self_port, (void *) other_port);
 625                 BT_LOGD("User method returned: status=%s",
 626                         bt_self_component_status_string(status));
 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));
 632         }
 633
 634         return status;
 635 }
 636
 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
 643         BT_ASSERT(component);
 644         BT_ASSERT(func);
 645         listener.func = func;
 646         listener.data = data;
 647         g_array_append_val(component->destroy_listeners, listener);
 648         BT_LIB_LOGD("Added destroy listener: %![comp-]+c, "
 649                 "func-addr=%p, data-addr=%p",
 650                 component, func, data);
 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 {
 657         uint64_t i;
 658
 659         BT_ASSERT(component);
 660         BT_ASSERT(func);
 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--;
 670                         BT_LIB_LOGD("Removed destroy listener: %![comp-]+c, "
 671                                 "func-addr=%p, data-addr=%p",
 672                                 component, func, data);
 673                 }
 674         }
 675 }
 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 }