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Fix: lib-logging.c: use temporary prefix where needed
[babeltrace.git] / lib / graph / component-class.c
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1/*
2 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
3 * Copyright 2016 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 "COMP-CLASS"
25#include <babeltrace/lib-logging-internal.h>
26
27#include <babeltrace/assert-internal.h>
28#include <babeltrace/assert-pre-internal.h>
29#include <babeltrace/compiler-internal.h>
30#include <babeltrace/graph/component-class.h>
31#include <babeltrace/graph/component-class-const.h>
32#include <babeltrace/graph/component-class-source.h>
33#include <babeltrace/graph/component-class-source-const.h>
34#include <babeltrace/graph/component-class-filter.h>
35#include <babeltrace/graph/component-class-filter-const.h>
36#include <babeltrace/graph/component-class-sink.h>
37#include <babeltrace/graph/component-class-sink-const.h>
38#include <babeltrace/graph/component-class-internal.h>
39#include <babeltrace/types.h>
40#include <glib.h>
41
42#define BT_ASSERT_PRE_COMP_CLS_HOT(_cc) \
43 BT_ASSERT_PRE_HOT(((const struct bt_component_class *) (_cc)), \
44 "Component class", ": %!+C", (_cc))
45
46static
47void destroy_component_class(struct bt_object *obj)
48{
49 struct bt_component_class *class;
50 int i;
51
52 BT_ASSERT(obj);
53 class = container_of(obj, struct bt_component_class, base);
54
55 BT_LIB_LOGD("Destroying component class: %!+C", class);
56
57 /* Call destroy listeners in reverse registration order */
58 for (i = class->destroy_listeners->len - 1; i >= 0; i--) {
59 struct bt_component_class_destroy_listener *listener =
60 &g_array_index(class->destroy_listeners,
61 struct bt_component_class_destroy_listener,
62 i);
63
64 BT_LOGD("Calling destroy listener: func-addr=%p, data-addr=%p",
65 listener->func, listener->data);
66 listener->func(class, listener->data);
67 }
68
69 if (class->name) {
70 g_string_free(class->name, TRUE);
71 class->name = NULL;
72 }
73
74 if (class->description) {
75 g_string_free(class->description, TRUE);
76 class->description = NULL;
77 }
78
79 if (class->help) {
80 g_string_free(class->help, TRUE);
81 class->help = NULL;
82 }
83
84 if (class->destroy_listeners) {
85 g_array_free(class->destroy_listeners, TRUE);
86 class->destroy_listeners = NULL;
87 }
88
89 g_free(class);
90}
91
92static
93int bt_component_class_init(struct bt_component_class *class,
94 enum bt_component_class_type type, const char *name)
95{
96 int ret = 0;
97
98 bt_object_init_shared(&class->base, destroy_component_class);
99 class->type = type;
100 class->name = g_string_new(name);
101 if (!class->name) {
102 BT_LOGE_STR("Failed to allocate a GString.");
103 goto error;
104 }
105
106 class->description = g_string_new(NULL);
107 if (!class->description) {
108 BT_LOGE_STR("Failed to allocate a GString.");
109 goto error;
110 }
111
112 class->help = g_string_new(NULL);
113 if (!class->help) {
114 BT_LOGE_STR("Failed to allocate a GString.");
115 goto error;
116 }
117
118 class->destroy_listeners = g_array_new(FALSE, TRUE,
119 sizeof(struct bt_component_class_destroy_listener));
120 if (!class->destroy_listeners) {
121 BT_LOGE_STR("Failed to allocate a GArray.");
122 goto error;
123 }
124
125 goto end;
126
127error:
128 BT_OBJECT_PUT_REF_AND_RESET(class);
129 ret = -1;
130
131end:
132 return ret;
133}
134
135struct bt_component_class_source *bt_component_class_source_create(
136 const char *name,
137 bt_component_class_source_message_iterator_next_method method)
138{
139 struct bt_component_class_source *source_class = NULL;
140 int ret;
141
142 BT_ASSERT_PRE_NON_NULL(name, "Name");
143 BT_ASSERT_PRE_NON_NULL(method, "Message iterator next method");
144 BT_LOGD("Creating source component class: "
145 "name=\"%s\", msg-iter-next-method-addr=%p",
146 name, method);
147 source_class = g_new0(struct bt_component_class_source, 1);
148 if (!source_class) {
149 BT_LOGE_STR("Failed to allocate one source component class.");
150 goto end;
151 }
152
153 /* bt_component_class_init() logs errors */
154 ret = bt_component_class_init(&source_class->parent,
155 BT_COMPONENT_CLASS_TYPE_SOURCE, name);
156 if (ret) {
157 /*
158 * If bt_component_class_init() fails, the component
159 * class is put, therefore its memory is already
160 * freed.
161 */
162 source_class = NULL;
163 goto end;
164 }
165
166 source_class->methods.msg_iter_next = method;
167 BT_LIB_LOGD("Created source component class: %!+C", source_class);
168
169end:
170 return (void *) source_class;
171}
172
173struct bt_component_class_filter *bt_component_class_filter_create(
174 const char *name,
175 bt_component_class_filter_message_iterator_next_method method)
176{
177 struct bt_component_class_filter *filter_class = NULL;
178 int ret;
179
180 BT_ASSERT_PRE_NON_NULL(name, "Name");
181 BT_ASSERT_PRE_NON_NULL(method, "Message iterator next method");
182 BT_LOGD("Creating filter component class: "
183 "name=\"%s\", msg-iter-next-method-addr=%p",
184 name, method);
185 filter_class = g_new0(struct bt_component_class_filter, 1);
186 if (!filter_class) {
187 BT_LOGE_STR("Failed to allocate one filter component class.");
188 goto end;
189 }
190
191 /* bt_component_class_init() logs errors */
192 ret = bt_component_class_init(&filter_class->parent,
193 BT_COMPONENT_CLASS_TYPE_FILTER, name);
194 if (ret) {
195 /*
196 * If bt_component_class_init() fails, the component
197 * class is put, therefore its memory is already
198 * freed.
199 */
200 filter_class = NULL;
201 goto end;
202 }
203
204 filter_class->methods.msg_iter_next = method;
205 BT_LIB_LOGD("Created filter component class: %!+C", filter_class);
206
207end:
208 return (void *) filter_class;
209}
210
211struct bt_component_class_sink *bt_component_class_sink_create(
212 const char *name, bt_component_class_sink_consume_method method)
213{
214 struct bt_component_class_sink *sink_class = NULL;
215 int ret;
216
217 BT_ASSERT_PRE_NON_NULL(name, "Name");
218 BT_ASSERT_PRE_NON_NULL(method, "Consume next method");
219 BT_LOGD("Creating sink component class: "
220 "name=\"%s\", consume-method-addr=%p",
221 name, method);
222 sink_class = g_new0(struct bt_component_class_sink, 1);
223 if (!sink_class) {
224 BT_LOGE_STR("Failed to allocate one sink component class.");
225 goto end;
226 }
227
228 /* bt_component_class_init() logs errors */
229 ret = bt_component_class_init(&sink_class->parent,
230 BT_COMPONENT_CLASS_TYPE_SINK, name);
231 if (ret) {
232 /*
233 * If bt_component_class_init() fails, the component
234 * class is put, therefore its memory is already
235 * freed.
236 */
237 sink_class = NULL;
238 goto end;
239 }
240
241 sink_class->methods.consume = method;
242 BT_LIB_LOGD("Created sink component class: %!+C", sink_class);
243
244end:
245 return (void *) sink_class;
246}
247
248extern enum bt_component_class_status
249bt_component_class_source_set_init_method(
250 struct bt_component_class_source *comp_cls,
251 bt_component_class_source_init_method method)
252{
253 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
254 BT_ASSERT_PRE_NON_NULL(method, "Method");
255 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
256 comp_cls->methods.init = method;
257 BT_LIB_LOGV("Set source component class's initialization method: "
258 "%!+C", comp_cls);
259 return BT_COMPONENT_CLASS_STATUS_OK;
260}
261
262extern enum bt_component_class_status
263bt_component_class_filter_set_init_method(
264 struct bt_component_class_filter *comp_cls,
265 bt_component_class_filter_init_method method)
266{
267 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
268 BT_ASSERT_PRE_NON_NULL(method, "Method");
269 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
270 comp_cls->methods.init = method;
271 BT_LIB_LOGV("Set filter component class's initialization method: "
272 "%!+C", comp_cls);
273 return BT_COMPONENT_CLASS_STATUS_OK;
274}
275
276extern enum bt_component_class_status
277bt_component_class_sink_set_init_method(
278 struct bt_component_class_sink *comp_cls,
279 bt_component_class_sink_init_method method)
280{
281 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
282 BT_ASSERT_PRE_NON_NULL(method, "Method");
283 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
284 comp_cls->methods.init = method;
285 BT_LIB_LOGV("Set sink component class's initialization method: "
286 "%!+C", comp_cls);
287 return BT_COMPONENT_CLASS_STATUS_OK;
288}
289
290extern enum bt_component_class_status
291bt_component_class_source_set_finalize_method(
292 struct bt_component_class_source *comp_cls,
293 bt_component_class_source_finalize_method method)
294{
295 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
296 BT_ASSERT_PRE_NON_NULL(method, "Method");
297 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
298 comp_cls->methods.finalize = method;
299 BT_LIB_LOGV("Set source component class's finalization method: "
300 "%!+C", comp_cls);
301 return BT_COMPONENT_CLASS_STATUS_OK;
302}
303
304extern enum bt_component_class_status
305bt_component_class_filter_set_finalize_method(
306 struct bt_component_class_filter *comp_cls,
307 bt_component_class_filter_finalize_method method)
308{
309 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
310 BT_ASSERT_PRE_NON_NULL(method, "Method");
311 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
312 comp_cls->methods.finalize = method;
313 BT_LIB_LOGV("Set filter component class's finalization method: "
314 "%!+C", comp_cls);
315 return BT_COMPONENT_CLASS_STATUS_OK;
316}
317
318extern enum bt_component_class_status
319bt_component_class_sink_set_finalize_method(
320 struct bt_component_class_sink *comp_cls,
321 bt_component_class_sink_finalize_method method)
322{
323 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
324 BT_ASSERT_PRE_NON_NULL(method, "Method");
325 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
326 comp_cls->methods.finalize = method;
327 BT_LIB_LOGV("Set sink component class's finalization method: "
328 "%!+C", comp_cls);
329 return BT_COMPONENT_CLASS_STATUS_OK;
330}
331
332extern enum bt_component_class_status
333bt_component_class_source_set_query_method(
334 struct bt_component_class_source *comp_cls,
335 bt_component_class_source_query_method method)
336{
337 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
338 BT_ASSERT_PRE_NON_NULL(method, "Method");
339 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
340 comp_cls->methods.query = method;
341 BT_LIB_LOGV("Set source component class's query method: "
342 "%!+C", comp_cls);
343 return BT_COMPONENT_CLASS_STATUS_OK;
344}
345
346extern enum bt_component_class_status
347bt_component_class_filter_set_query_method(
348 struct bt_component_class_filter *comp_cls,
349 bt_component_class_filter_query_method method)
350{
351 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
352 BT_ASSERT_PRE_NON_NULL(method, "Method");
353 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
354 comp_cls->methods.query = method;
355 BT_LIB_LOGV("Set filter component class's query method: "
356 "%!+C", comp_cls);
357 return BT_COMPONENT_CLASS_STATUS_OK;
358}
359
360extern enum bt_component_class_status
361bt_component_class_sink_set_query_method(
362 struct bt_component_class_sink *comp_cls,
363 bt_component_class_sink_query_method method)
364{
365 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
366 BT_ASSERT_PRE_NON_NULL(method, "Method");
367 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
368 comp_cls->methods.query = method;
369 BT_LIB_LOGV("Set sink component class's query method: "
370 "%!+C", comp_cls);
371 return BT_COMPONENT_CLASS_STATUS_OK;
372}
373
374extern enum bt_component_class_status
375bt_component_class_filter_set_accept_input_port_connection_method(
376 struct bt_component_class_filter *comp_cls,
377 bt_component_class_filter_accept_input_port_connection_method method)
378{
379 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
380 BT_ASSERT_PRE_NON_NULL(method, "Method");
381 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
382 comp_cls->methods.accept_input_port_connection = method;
383 BT_LIB_LOGV("Set filter component class's \"accept input port connection\" method"
384 ": %!+C", comp_cls);
385 return BT_COMPONENT_CLASS_STATUS_OK;
386}
387
388extern enum bt_component_class_status
389bt_component_class_sink_set_accept_input_port_connection_method(
390 struct bt_component_class_sink *comp_cls,
391 bt_component_class_sink_accept_input_port_connection_method method)
392{
393 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
394 BT_ASSERT_PRE_NON_NULL(method, "Method");
395 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
396 comp_cls->methods.accept_input_port_connection = method;
397 BT_LIB_LOGV("Set sink component class's \"accept input port connection\" method"
398 ": %!+C", comp_cls);
399 return BT_COMPONENT_CLASS_STATUS_OK;
400}
401
402extern enum bt_component_class_status
403bt_component_class_source_set_accept_output_port_connection_method(
404 struct bt_component_class_source *comp_cls,
405 bt_component_class_source_accept_output_port_connection_method method)
406{
407 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
408 BT_ASSERT_PRE_NON_NULL(method, "Method");
409 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
410 comp_cls->methods.accept_output_port_connection = method;
411 BT_LIB_LOGV("Set source component class's \"accept output port connection\" method"
412 ": %!+C", comp_cls);
413 return BT_COMPONENT_CLASS_STATUS_OK;
414}
415
416extern enum bt_component_class_status
417bt_component_class_filter_set_accept_output_port_connection_method(
418 struct bt_component_class_filter *comp_cls,
419 bt_component_class_filter_accept_output_port_connection_method method)
420{
421 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
422 BT_ASSERT_PRE_NON_NULL(method, "Method");
423 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
424 comp_cls->methods.accept_output_port_connection = method;
425 BT_LIB_LOGV("Set filter component class's \"accept output port connection\" method"
426 ": %!+C", comp_cls);
427 return BT_COMPONENT_CLASS_STATUS_OK;
428}
429
430extern enum bt_component_class_status
431bt_component_class_filter_set_input_port_connected_method(
432 struct bt_component_class_filter *comp_cls,
433 bt_component_class_filter_input_port_connected_method method)
434{
435 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
436 BT_ASSERT_PRE_NON_NULL(method, "Method");
437 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
438 comp_cls->methods.input_port_connected = method;
439 BT_LIB_LOGV("Set filter component class's \"input port connected\" method"
440 ": %!+C", comp_cls);
441 return BT_COMPONENT_CLASS_STATUS_OK;
442}
443
444extern enum bt_component_class_status
445bt_component_class_sink_set_input_port_connected_method(
446 struct bt_component_class_sink *comp_cls,
447 bt_component_class_sink_input_port_connected_method method)
448{
449 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
450 BT_ASSERT_PRE_NON_NULL(method, "Method");
451 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
452 comp_cls->methods.input_port_connected = method;
453 BT_LIB_LOGV("Set sink component class's \"input port connected\" method"
454 ": %!+C", comp_cls);
455 return BT_COMPONENT_CLASS_STATUS_OK;
456}
457
458extern enum bt_component_class_status
459bt_component_class_source_set_output_port_connected_method(
460 struct bt_component_class_source *comp_cls,
461 bt_component_class_source_output_port_connected_method method)
462{
463 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
464 BT_ASSERT_PRE_NON_NULL(method, "Method");
465 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
466 comp_cls->methods.output_port_connected = method;
467 BT_LIB_LOGV("Set source component class's \"output port connected\" method"
468 ": %!+C", comp_cls);
469 return BT_COMPONENT_CLASS_STATUS_OK;
470}
471
472extern enum bt_component_class_status
473bt_component_class_filter_set_output_port_connected_method(
474 struct bt_component_class_filter *comp_cls,
475 bt_component_class_filter_output_port_connected_method method)
476{
477 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
478 BT_ASSERT_PRE_NON_NULL(method, "Method");
479 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
480 comp_cls->methods.output_port_connected = method;
481 BT_LIB_LOGV("Set filter component class's \"output port connected\" method"
482 ": %!+C", comp_cls);
483 return BT_COMPONENT_CLASS_STATUS_OK;
484}
485
486int bt_component_class_source_set_message_iterator_init_method(
487 struct bt_component_class_source *comp_cls,
488 bt_component_class_source_message_iterator_init_method method)
489{
490 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
491 BT_ASSERT_PRE_NON_NULL(method, "Method");
492 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
493 comp_cls->methods.msg_iter_init = method;
494 BT_LIB_LOGV("Set source component class's message iterator initialization method"
495 ": %!+C", comp_cls);
496 return BT_COMPONENT_CLASS_STATUS_OK;
497}
498
499extern enum bt_component_class_status
500bt_component_class_filter_set_message_iterator_init_method(
501 struct bt_component_class_filter *comp_cls,
502 bt_component_class_filter_message_iterator_init_method method)
503{
504 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
505 BT_ASSERT_PRE_NON_NULL(method, "Method");
506 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
507 comp_cls->methods.msg_iter_init = method;
508 BT_LIB_LOGV("Set filter component class's message iterator initialization method"
509 ": %!+C", comp_cls);
510 return BT_COMPONENT_CLASS_STATUS_OK;
511}
512
513extern enum bt_component_class_status
514bt_component_class_source_set_message_iterator_finalize_method(
515 struct bt_component_class_source *comp_cls,
516 bt_component_class_source_message_iterator_finalize_method method)
517{
518 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
519 BT_ASSERT_PRE_NON_NULL(method, "Method");
520 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
521 comp_cls->methods.msg_iter_finalize = method;
522 BT_LIB_LOGV("Set source component class's message iterator finalization method"
523 ": %!+C", comp_cls);
524 return BT_COMPONENT_CLASS_STATUS_OK;
525}
526
527extern enum bt_component_class_status
528bt_component_class_filter_set_message_iterator_finalize_method(
529 struct bt_component_class_filter *comp_cls,
530 bt_component_class_filter_message_iterator_finalize_method method)
531{
532 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
533 BT_ASSERT_PRE_NON_NULL(method, "Method");
534 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
535 comp_cls->methods.msg_iter_finalize = method;
536 BT_LIB_LOGV("Set filter component class's message iterator finalization method"
537 ": %!+C", comp_cls);
538 return BT_COMPONENT_CLASS_STATUS_OK;
539}
540
541enum bt_component_class_status
542bt_component_class_filter_set_message_iterator_seek_ns_from_origin_method(
543 struct bt_component_class_filter *comp_cls,
544 bt_component_class_filter_message_iterator_seek_ns_from_origin_method method)
545{
546 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
547 BT_ASSERT_PRE_NON_NULL(method, "Method");
548 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
549 comp_cls->methods.msg_iter_seek_ns_from_origin = method;
550 BT_LIB_LOGV("Set filter component class's message iterator \"seek nanoseconds from origin\" method"
551 ": %!+C", comp_cls);
552 return BT_COMPONENT_CLASS_STATUS_OK;
553}
554
555enum bt_component_class_status
556bt_component_class_source_set_message_iterator_seek_ns_from_origin_method(
557 struct bt_component_class_source *comp_cls,
558 bt_component_class_source_message_iterator_seek_ns_from_origin_method method)
559{
560 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
561 BT_ASSERT_PRE_NON_NULL(method, "Method");
562 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
563 comp_cls->methods.msg_iter_seek_ns_from_origin = method;
564 BT_LIB_LOGV("Set source component class's message iterator \"seek nanoseconds from origin\" method"
565 ": %!+C", comp_cls);
566 return BT_COMPONENT_CLASS_STATUS_OK;
567}
568
569enum bt_component_class_status
570bt_component_class_filter_set_message_iterator_seek_beginning_method(
571 struct bt_component_class_filter *comp_cls,
572 bt_component_class_filter_message_iterator_seek_beginning_method method)
573{
574 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
575 BT_ASSERT_PRE_NON_NULL(method, "Method");
576 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
577 comp_cls->methods.msg_iter_seek_beginning = method;
578 BT_LIB_LOGV("Set filter component class's message iterator \"seek beginning\" method"
579 ": %!+C", comp_cls);
580 return BT_COMPONENT_CLASS_STATUS_OK;
581}
582
583enum bt_component_class_status
584bt_component_class_source_set_message_iterator_seek_beginning_method(
585 struct bt_component_class_source *comp_cls,
586 bt_component_class_source_message_iterator_seek_beginning_method method)
587{
588 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
589 BT_ASSERT_PRE_NON_NULL(method, "Method");
590 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
591 comp_cls->methods.msg_iter_seek_beginning = method;
592 BT_LIB_LOGV("Set source component class's message iterator \"seek beginning\" method"
593 ": %!+C", comp_cls);
594 return BT_COMPONENT_CLASS_STATUS_OK;
595}
596
597enum bt_component_class_status
598bt_component_class_filter_set_message_iterator_can_seek_beginning_method(
599 struct bt_component_class_filter *comp_cls,
600 bt_component_class_filter_message_iterator_can_seek_beginning_method method)
601{
602 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
603 BT_ASSERT_PRE_NON_NULL(method, "Method");
604 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
605 comp_cls->methods.msg_iter_can_seek_beginning = method;
606 BT_LIB_LOGV("Set filter component class's message iterator \"can seek beginning\" method"
607 ": %!+C", comp_cls);
608 return BT_COMPONENT_CLASS_STATUS_OK;
609}
610
611enum bt_component_class_status
612bt_component_class_source_set_message_iterator_can_seek_beginning_method(
613 struct bt_component_class_source *comp_cls,
614 bt_component_class_source_message_iterator_can_seek_beginning_method method)
615{
616 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
617 BT_ASSERT_PRE_NON_NULL(method, "Method");
618 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
619 comp_cls->methods.msg_iter_can_seek_beginning = method;
620 BT_LIB_LOGV("Set source component class's message iterator \"can seek beginning\" method"
621 ": %!+C", comp_cls);
622 return BT_COMPONENT_CLASS_STATUS_OK;
623}
624
625enum bt_component_class_status
626bt_component_class_filter_set_message_iterator_can_seek_ns_from_origin_method(
627 struct bt_component_class_filter *comp_cls,
628 bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method method)
629{
630 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
631 BT_ASSERT_PRE_NON_NULL(method, "Method");
632 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
633 comp_cls->methods.msg_iter_can_seek_ns_from_origin = method;
634 BT_LIB_LOGV("Set filter component class's message iterator \"can seek nanoseconds from origin\" method"
635 ": %!+C", comp_cls);
636 return BT_COMPONENT_CLASS_STATUS_OK;
637}
638
639enum bt_component_class_status
640bt_component_class_source_set_message_iterator_can_seek_ns_from_origin_method(
641 struct bt_component_class_source *comp_cls,
642 bt_component_class_source_message_iterator_can_seek_ns_from_origin_method method)
643{
644 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
645 BT_ASSERT_PRE_NON_NULL(method, "Method");
646 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
647 comp_cls->methods.msg_iter_can_seek_ns_from_origin = method;
648 BT_LIB_LOGV("Set source component class's message iterator \"can seek nanoseconds from origin\" method"
649 ": %!+C", comp_cls);
650 return BT_COMPONENT_CLASS_STATUS_OK;
651}
652
653bt_component_class_status bt_component_class_set_description(
654 struct bt_component_class *comp_cls,
655 const char *description)
656{
657 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
658 BT_ASSERT_PRE_NON_NULL(description, "Description");
659 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
660 g_string_assign(comp_cls->description, description);
661 BT_LIB_LOGV("Set component class's description: "
662 "addr=%p, name=\"%s\", type=%s",
663 comp_cls,
664 bt_component_class_get_name(comp_cls),
665 bt_component_class_type_string(comp_cls->type));
666 return BT_COMPONENT_CLASS_STATUS_OK;
667}
668
669bt_component_class_status bt_component_class_set_help(
670 struct bt_component_class *comp_cls,
671 const char *help)
672{
673 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
674 BT_ASSERT_PRE_NON_NULL(help, "Help");
675 BT_ASSERT_PRE_COMP_CLS_HOT(comp_cls);
676 g_string_assign(comp_cls->help, help);
677 BT_LIB_LOGV("Set component class's help text: %!+C", comp_cls);
678 return BT_COMPONENT_CLASS_STATUS_OK;
679}
680
681const char *bt_component_class_get_name(const struct bt_component_class *comp_cls)
682{
683 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
684 return comp_cls->name->str;
685}
686
687enum bt_component_class_type bt_component_class_get_type(
688 const struct bt_component_class *comp_cls)
689{
690 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
691 return comp_cls->type;
692}
693
694const char *bt_component_class_get_description(
695 const struct bt_component_class *comp_cls)
696{
697 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
698 return comp_cls->description &&
699 comp_cls->description->str[0] != '\0' ?
700 comp_cls->description->str : NULL;
701}
702
703const char *bt_component_class_get_help(
704 const struct bt_component_class *comp_cls)
705{
706 BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
707 return comp_cls->help &&
708 comp_cls->help->str[0] != '\0' ? comp_cls->help->str : NULL;
709}
710
711BT_HIDDEN
712void bt_component_class_add_destroy_listener(
713 struct bt_component_class *comp_cls,
714 bt_component_class_destroy_listener_func func, void *data)
715{
716 struct bt_component_class_destroy_listener listener;
717
718 BT_ASSERT(comp_cls);
719 BT_ASSERT(func);
720 listener.func = func;
721 listener.data = data;
722 g_array_append_val(comp_cls->destroy_listeners, listener);
723 BT_LIB_LOGV("Added destroy listener to component class: "
724 "%![cc-]+C, listener-func-addr=%p", comp_cls, func);
725}
726
727BT_HIDDEN
728void _bt_component_class_freeze(const struct bt_component_class *comp_cls)
729{
730 BT_ASSERT(comp_cls);
731 BT_LIB_LOGD("Freezing component class: %!+C", comp_cls);
732 ((struct bt_component_class *) comp_cls)->frozen = true;
733}
734
735void bt_component_class_get_ref(
736 const struct bt_component_class *component_class)
737{
738 bt_object_get_ref(component_class);
739}
740
741void bt_component_class_put_ref(
742 const struct bt_component_class *component_class)
743{
744 bt_object_put_ref(component_class);
745}
746
747void bt_component_class_source_get_ref(
748 const struct bt_component_class_source *component_class_source)
749{
750 bt_object_get_ref(component_class_source);
751}
752
753void bt_component_class_source_put_ref(
754 const struct bt_component_class_source *component_class_source)
755{
756 bt_object_put_ref(component_class_source);
757}
758
759void bt_component_class_filter_get_ref(
760 const struct bt_component_class_filter *component_class_filter)
761{
762 bt_object_get_ref(component_class_filter);
763}
764
765void bt_component_class_filter_put_ref(
766 const struct bt_component_class_filter *component_class_filter)
767{
768 bt_object_put_ref(component_class_filter);
769}
770
771void bt_component_class_sink_get_ref(
772 const struct bt_component_class_sink *component_class_sink)
773{
774 bt_object_get_ref(component_class_sink);
775}
776
777void bt_component_class_sink_put_ref(
778 const struct bt_component_class_sink *component_class_sink)
779{
780 bt_object_put_ref(component_class_sink);
781}
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