lib: graph: add "self" and some "private" APIs
[babeltrace.git] / lib / values.c
1 /*
2 * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
3 * Copyright (c) 2015 Philippe Proulx <pproulx@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 "VALUES"
25 #include <babeltrace/lib-logging-internal.h>
26
27 #include <stdlib.h>
28 #include <string.h>
29 #include <string.h>
30 #include <inttypes.h>
31 #include <babeltrace/compiler-internal.h>
32 #include <babeltrace/common-internal.h>
33 #include <babeltrace/object.h>
34 #include <babeltrace/values.h>
35 #include <babeltrace/private-values.h>
36 #include <babeltrace/compat/glib-internal.h>
37 #include <babeltrace/types.h>
38 #include <babeltrace/object-internal.h>
39 #include <babeltrace/values-internal.h>
40 #include <babeltrace/assert-internal.h>
41 #include <babeltrace/assert-pre-internal.h>
42
43 #define BT_VALUE_FROM_CONCRETE(_concrete) ((struct bt_value *) (_concrete))
44 #define BT_VALUE_TO_BOOL(_base) ((struct bt_value_bool *) (_base))
45 #define BT_VALUE_TO_INTEGER(_base) ((struct bt_value_integer *) (_base))
46 #define BT_VALUE_TO_REAL(_base) ((struct bt_value_real *) (_base))
47 #define BT_VALUE_TO_STRING(_base) ((struct bt_value_string *) (_base))
48 #define BT_VALUE_TO_ARRAY(_base) ((struct bt_value_array *) (_base))
49 #define BT_VALUE_TO_MAP(_base) ((struct bt_value_map *) (_base))
50
51 #define BT_ASSERT_PRE_VALUE_IS_TYPE(_value, _type) \
52 BT_ASSERT_PRE(((struct bt_value *) (_value))->type == (_type), \
53 "Value has the wrong type ID: expected-type=%s, " \
54 "%![value-]+v", bt_common_value_type_string(_type), \
55 (_value))
56
57 #define BT_ASSERT_PRE_VALUE_HOT(_value, _name) \
58 BT_ASSERT_PRE_HOT(((struct bt_value *) (_value)), (_name), \
59 ": %!+v", (_value))
60
61 #define BT_ASSERT_PRE_VALUE_INDEX_IN_BOUNDS(_index, _count) \
62 BT_ASSERT_PRE((_index) < (_count), \
63 "Index is out of bound: " \
64 "index=%" PRIu64 ", count=%u", (_index), (_count));
65
66 struct bt_value {
67 struct bt_object base;
68 enum bt_value_type type;
69 bt_bool frozen;
70 };
71
72 static
73 void bt_value_null_instance_release_func(struct bt_object *obj)
74 {
75 BT_LOGW("Releasing the null value singleton: addr=%p", obj);
76 }
77
78 static
79 struct bt_value bt_value_null_instance = {
80 .base = {
81 .is_shared = true,
82 .ref_count = 1,
83 .release_func = bt_value_null_instance_release_func,
84 .spec_release_func = NULL,
85 .parent_is_owner_listener_func = NULL,
86 .parent = NULL,
87 },
88 .type = BT_VALUE_TYPE_NULL,
89 .frozen = BT_TRUE,
90 };
91
92 struct bt_value *bt_value_null = &bt_value_null_instance;
93 struct bt_private_value *bt_private_value_null =
94 (void *) &bt_value_null_instance;
95
96 struct bt_value_bool {
97 struct bt_value base;
98 bt_bool value;
99 };
100
101 struct bt_value_integer {
102 struct bt_value base;
103 int64_t value;
104 };
105
106 struct bt_value_real {
107 struct bt_value base;
108 double value;
109 };
110
111 struct bt_value_string {
112 struct bt_value base;
113 GString *gstr;
114 };
115
116 struct bt_value_array {
117 struct bt_value base;
118 GPtrArray *garray;
119 };
120
121 struct bt_value_map {
122 struct bt_value base;
123 GHashTable *ght;
124 };
125
126 static
127 void bt_value_destroy(struct bt_object *obj);
128
129 static
130 void bt_value_string_destroy(struct bt_value *object)
131 {
132 g_string_free(BT_VALUE_TO_STRING(object)->gstr, TRUE);
133 }
134
135 static
136 void bt_value_array_destroy(struct bt_value *object)
137 {
138 /*
139 * Pointer array's registered value destructor will take care
140 * of putting each contained object.
141 */
142 g_ptr_array_free(BT_VALUE_TO_ARRAY(object)->garray, TRUE);
143 }
144
145 static
146 void bt_value_map_destroy(struct bt_value *object)
147 {
148 /*
149 * Hash table's registered value destructor will take care of
150 * putting each contained object. Keys are GQuarks and cannot
151 * be destroyed anyway.
152 */
153 g_hash_table_destroy(BT_VALUE_TO_MAP(object)->ght);
154 }
155
156 static
157 void (* const destroy_funcs[])(struct bt_value *) = {
158 [BT_VALUE_TYPE_NULL] = NULL,
159 [BT_VALUE_TYPE_BOOL] = NULL,
160 [BT_VALUE_TYPE_INTEGER] = NULL,
161 [BT_VALUE_TYPE_REAL] = NULL,
162 [BT_VALUE_TYPE_STRING] = bt_value_string_destroy,
163 [BT_VALUE_TYPE_ARRAY] = bt_value_array_destroy,
164 [BT_VALUE_TYPE_MAP] = bt_value_map_destroy,
165 };
166
167 static
168 struct bt_private_value *bt_value_null_copy(const struct bt_value *null_obj)
169 {
170 return (void *) bt_value_null;
171 }
172
173 static
174 struct bt_private_value *bt_value_bool_copy(const struct bt_value *bool_obj)
175 {
176 return bt_private_value_bool_create_init(
177 BT_VALUE_TO_BOOL(bool_obj)->value);
178 }
179
180 static
181 struct bt_private_value *bt_value_integer_copy(
182 const struct bt_value *integer_obj)
183 {
184 return bt_private_value_integer_create_init(
185 BT_VALUE_TO_INTEGER(integer_obj)->value);
186 }
187
188 static
189 struct bt_private_value *bt_value_real_copy(const struct bt_value *real_obj)
190 {
191 return bt_private_value_real_create_init(
192 BT_VALUE_TO_REAL(real_obj)->value);
193 }
194
195 static
196 struct bt_private_value *bt_value_string_copy(const struct bt_value *string_obj)
197 {
198 return bt_private_value_string_create_init(
199 BT_VALUE_TO_STRING(string_obj)->gstr->str);
200 }
201
202 static
203 struct bt_private_value *bt_value_array_copy(const struct bt_value *array_obj)
204 {
205 int i;
206 int ret;
207 struct bt_private_value *copy_obj;
208 struct bt_value_array *typed_array_obj;
209
210 BT_LOGD("Copying array value: addr=%p", array_obj);
211 typed_array_obj = BT_VALUE_TO_ARRAY(array_obj);
212 copy_obj = bt_private_value_array_create();
213 if (!copy_obj) {
214 BT_LOGE_STR("Cannot create empty array value.");
215 goto end;
216 }
217
218 for (i = 0; i < typed_array_obj->garray->len; ++i) {
219 struct bt_private_value *element_obj_copy = NULL;
220 struct bt_value *element_obj =
221 bt_value_array_borrow_element_by_index(
222 array_obj, i);
223
224 BT_ASSERT(element_obj);
225 BT_LOGD("Copying array value's element: element-addr=%p, "
226 "index=%d", element_obj, i);
227 ret = bt_value_copy(&element_obj_copy, element_obj);
228 if (ret) {
229 BT_LOGE("Cannot copy array value's element: "
230 "array-addr=%p, index=%d",
231 array_obj, i);
232 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
233 goto end;
234 }
235
236 BT_ASSERT(element_obj_copy);
237 ret = bt_private_value_array_append_element(copy_obj,
238 (void *) element_obj_copy);
239 BT_OBJECT_PUT_REF_AND_RESET(element_obj_copy);
240 if (ret) {
241 BT_LOGE("Cannot append to array value: addr=%p",
242 array_obj);
243 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
244 goto end;
245 }
246 }
247
248 BT_LOGD("Copied array value: original-addr=%p, copy-addr=%p",
249 array_obj, copy_obj);
250
251 end:
252 return copy_obj;
253 }
254
255 static
256 struct bt_private_value *bt_value_map_copy(const struct bt_value *map_obj)
257 {
258 int ret;
259 GHashTableIter iter;
260 gpointer key, element_obj;
261 struct bt_private_value *copy_obj;
262 struct bt_private_value *element_obj_copy = NULL;
263 struct bt_value_map *typed_map_obj;
264
265 BT_LOGD("Copying map value: addr=%p", map_obj);
266 typed_map_obj = BT_VALUE_TO_MAP(map_obj);
267 copy_obj = bt_private_value_map_create();
268 if (!copy_obj) {
269 goto end;
270 }
271
272 g_hash_table_iter_init(&iter, typed_map_obj->ght);
273
274 while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
275 const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key));
276
277 BT_ASSERT(key_str);
278 BT_LOGD("Copying map value's element: element-addr=%p, "
279 "key=\"%s\"", element_obj, key_str);
280 ret = bt_value_copy(&element_obj_copy, element_obj);
281 if (ret) {
282 BT_LOGE("Cannot copy map value's element: "
283 "map-addr=%p, key=\"%s\"",
284 map_obj, key_str);
285 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
286 goto end;
287 }
288
289 BT_ASSERT(element_obj_copy);
290 ret = bt_private_value_map_insert_entry(copy_obj, key_str,
291 (void *) element_obj_copy);
292 BT_OBJECT_PUT_REF_AND_RESET(element_obj_copy);
293 if (ret) {
294 BT_LOGE("Cannot insert into map value: addr=%p, key=\"%s\"",
295 map_obj, key_str);
296 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
297 goto end;
298 }
299 }
300
301 BT_LOGD("Copied map value: addr=%p", map_obj);
302
303 end:
304 return copy_obj;
305 }
306
307 static
308 struct bt_private_value *(* const copy_funcs[])(const struct bt_value *) = {
309 [BT_VALUE_TYPE_NULL] = bt_value_null_copy,
310 [BT_VALUE_TYPE_BOOL] = bt_value_bool_copy,
311 [BT_VALUE_TYPE_INTEGER] = bt_value_integer_copy,
312 [BT_VALUE_TYPE_REAL] = bt_value_real_copy,
313 [BT_VALUE_TYPE_STRING] = bt_value_string_copy,
314 [BT_VALUE_TYPE_ARRAY] = bt_value_array_copy,
315 [BT_VALUE_TYPE_MAP] = bt_value_map_copy,
316 };
317
318 static
319 bt_bool bt_value_null_compare(const struct bt_value *object_a,
320 const struct bt_value *object_b)
321 {
322 /*
323 * Always BT_TRUE since bt_value_compare() already checks if both
324 * object_a and object_b have the same type, and in the case of
325 * null value objects, they're always the same if it is so.
326 */
327 return BT_TRUE;
328 }
329
330 static
331 bt_bool bt_value_bool_compare(const struct bt_value *object_a,
332 const struct bt_value *object_b)
333 {
334 if (BT_VALUE_TO_BOOL(object_a)->value !=
335 BT_VALUE_TO_BOOL(object_b)->value) {
336 BT_LOGV("Boolean value objects are different: "
337 "bool-a-val=%d, bool-b-val=%d",
338 BT_VALUE_TO_BOOL(object_a)->value,
339 BT_VALUE_TO_BOOL(object_b)->value);
340 return BT_FALSE;
341 }
342
343 return BT_TRUE;
344 }
345
346 static
347 bt_bool bt_value_integer_compare(const struct bt_value *object_a,
348 const struct bt_value *object_b)
349 {
350 if (BT_VALUE_TO_INTEGER(object_a)->value !=
351 BT_VALUE_TO_INTEGER(object_b)->value) {
352 BT_LOGV("Integer value objects are different: "
353 "int-a-val=%" PRId64 ", int-b-val=%" PRId64,
354 BT_VALUE_TO_INTEGER(object_a)->value,
355 BT_VALUE_TO_INTEGER(object_b)->value);
356 return BT_FALSE;
357 }
358
359 return BT_TRUE;
360 }
361
362 static
363 bt_bool bt_value_real_compare(const struct bt_value *object_a,
364 const struct bt_value *object_b)
365 {
366 if (BT_VALUE_TO_REAL(object_a)->value !=
367 BT_VALUE_TO_REAL(object_b)->value) {
368 BT_LOGV("Real number value objects are different: "
369 "real-a-val=%f, real-b-val=%f",
370 BT_VALUE_TO_REAL(object_a)->value,
371 BT_VALUE_TO_REAL(object_b)->value);
372 return BT_FALSE;
373 }
374
375 return BT_TRUE;
376 }
377
378 static
379 bt_bool bt_value_string_compare(const struct bt_value *object_a,
380 const struct bt_value *object_b)
381 {
382 if (strcmp(BT_VALUE_TO_STRING(object_a)->gstr->str,
383 BT_VALUE_TO_STRING(object_b)->gstr->str) != 0) {
384 BT_LOGV("String value objects are different: "
385 "string-a-val=\"%s\", string-b-val=\"%s\"",
386 BT_VALUE_TO_STRING(object_a)->gstr->str,
387 BT_VALUE_TO_STRING(object_b)->gstr->str);
388 return BT_FALSE;
389 }
390
391 return BT_TRUE;
392 }
393
394 static
395 bt_bool bt_value_array_compare(const struct bt_value *object_a,
396 const struct bt_value *object_b)
397 {
398 int i;
399 bt_bool ret = BT_TRUE;
400 const struct bt_value_array *array_obj_a =
401 BT_VALUE_TO_ARRAY(object_a);
402
403 if (bt_value_array_get_size(object_a) !=
404 bt_value_array_get_size(object_b)) {
405 BT_LOGV("Array values are different: size mismatch "
406 "value-a-addr=%p, value-b-addr=%p, "
407 "value-a-size=%" PRId64 ", value-b-size=%" PRId64,
408 object_a, object_b,
409 bt_value_array_get_size(object_a),
410 bt_value_array_get_size(object_b));
411 ret = BT_FALSE;
412 goto end;
413 }
414
415 for (i = 0; i < array_obj_a->garray->len; ++i) {
416 struct bt_value *element_obj_a;
417 struct bt_value *element_obj_b;
418
419 element_obj_a = bt_value_array_borrow_element_by_index(
420 object_a, i);
421 element_obj_b = bt_value_array_borrow_element_by_index(
422 object_b, i);
423
424 if (!bt_value_compare(element_obj_a, element_obj_b)) {
425 BT_LOGV("Array values's elements are different: "
426 "value-a-addr=%p, value-b-addr=%p, index=%d",
427 element_obj_a, element_obj_b, i);
428 ret = BT_FALSE;
429 goto end;
430 }
431 }
432
433 end:
434 return ret;
435 }
436
437 static
438 bt_bool bt_value_map_compare(const struct bt_value *object_a,
439 const struct bt_value *object_b)
440 {
441 bt_bool ret = BT_TRUE;
442 GHashTableIter iter;
443 gpointer key, element_obj_a;
444 const struct bt_value_map *map_obj_a = BT_VALUE_TO_MAP(object_a);
445
446 if (bt_value_map_get_size(object_a) !=
447 bt_value_map_get_size(object_b)) {
448 BT_LOGV("Map values are different: size mismatch "
449 "value-a-addr=%p, value-b-addr=%p, "
450 "value-a-size=%" PRId64 ", value-b-size=%" PRId64,
451 object_a, object_b,
452 bt_value_map_get_size(object_a),
453 bt_value_map_get_size(object_b));
454 ret = BT_FALSE;
455 goto end;
456 }
457
458 g_hash_table_iter_init(&iter, map_obj_a->ght);
459
460 while (g_hash_table_iter_next(&iter, &key, &element_obj_a)) {
461 struct bt_value *element_obj_b;
462 const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key));
463
464 element_obj_b = bt_value_map_borrow_entry_value(object_b,
465 key_str);
466
467 if (!bt_value_compare(element_obj_a, element_obj_b)) {
468 BT_LOGV("Map values's elements are different: "
469 "value-a-addr=%p, value-b-addr=%p, key=\"%s\"",
470 element_obj_a, element_obj_b, key_str);
471 ret = BT_FALSE;
472 goto end;
473 }
474 }
475
476 end:
477 return ret;
478 }
479
480 static
481 bt_bool (* const compare_funcs[])(const struct bt_value *,
482 const struct bt_value *) = {
483 [BT_VALUE_TYPE_NULL] = bt_value_null_compare,
484 [BT_VALUE_TYPE_BOOL] = bt_value_bool_compare,
485 [BT_VALUE_TYPE_INTEGER] = bt_value_integer_compare,
486 [BT_VALUE_TYPE_REAL] = bt_value_real_compare,
487 [BT_VALUE_TYPE_STRING] = bt_value_string_compare,
488 [BT_VALUE_TYPE_ARRAY] = bt_value_array_compare,
489 [BT_VALUE_TYPE_MAP] = bt_value_map_compare,
490 };
491
492 static
493 void bt_value_null_freeze(struct bt_value *object)
494 {
495 }
496
497 static
498 void bt_value_generic_freeze(struct bt_value *object)
499 {
500 object->frozen = BT_TRUE;
501 }
502
503 static
504 void bt_value_array_freeze(struct bt_value *object)
505 {
506 int i;
507 struct bt_value_array *typed_array_obj =
508 BT_VALUE_TO_ARRAY(object);
509
510 for (i = 0; i < typed_array_obj->garray->len; ++i) {
511 bt_value_freeze(g_ptr_array_index(typed_array_obj->garray, i));
512 }
513
514 bt_value_generic_freeze(object);
515 }
516
517 static
518 void bt_value_map_freeze(struct bt_value *object)
519 {
520 GHashTableIter iter;
521 gpointer key, element_obj;
522 const struct bt_value_map *map_obj = BT_VALUE_TO_MAP(object);
523
524 g_hash_table_iter_init(&iter, map_obj->ght);
525
526 while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
527 bt_value_freeze(element_obj);
528 }
529
530 bt_value_generic_freeze(object);
531 }
532
533 static
534 void (* const freeze_funcs[])(struct bt_value *) = {
535 [BT_VALUE_TYPE_NULL] = bt_value_null_freeze,
536 [BT_VALUE_TYPE_BOOL] = bt_value_generic_freeze,
537 [BT_VALUE_TYPE_INTEGER] = bt_value_generic_freeze,
538 [BT_VALUE_TYPE_REAL] = bt_value_generic_freeze,
539 [BT_VALUE_TYPE_STRING] = bt_value_generic_freeze,
540 [BT_VALUE_TYPE_ARRAY] = bt_value_array_freeze,
541 [BT_VALUE_TYPE_MAP] = bt_value_map_freeze,
542 };
543
544 static
545 void bt_value_destroy(struct bt_object *obj)
546 {
547 struct bt_value *value;
548
549 value = container_of(obj, struct bt_value, base);
550 BT_LOGD("Destroying value: addr=%p", value);
551
552 if (bt_value_is_null(value)) {
553 BT_LOGD_STR("Not destroying the null value singleton.");
554 return;
555 }
556
557 if (destroy_funcs[value->type]) {
558 destroy_funcs[value->type](value);
559 }
560
561 g_free(value);
562 }
563
564 BT_HIDDEN
565 enum bt_value_status _bt_value_freeze(struct bt_value *object)
566 {
567 enum bt_value_status ret = BT_VALUE_STATUS_OK;
568
569 BT_ASSERT(object);
570
571 if (object->frozen) {
572 goto end;
573 }
574
575 BT_LOGD("Freezing value: addr=%p", object);
576 freeze_funcs[object->type](object);
577
578 end:
579 return ret;
580 }
581
582 enum bt_value_type bt_value_get_type(const struct bt_value *object)
583 {
584 BT_ASSERT_PRE_NON_NULL(object, "Value object");
585 return object->type;
586 }
587
588 static
589 struct bt_value bt_value_create_base(enum bt_value_type type)
590 {
591 struct bt_value value;
592
593 value.type = type;
594 value.frozen = BT_FALSE;
595 bt_object_init_shared(&value.base, bt_value_destroy);
596 return value;
597 }
598
599 struct bt_private_value *bt_private_value_bool_create_init(bt_bool val)
600 {
601 struct bt_value_bool *bool_obj;
602
603 BT_LOGD("Creating boolean value object: val=%d", val);
604 bool_obj = g_new0(struct bt_value_bool, 1);
605 if (!bool_obj) {
606 BT_LOGE_STR("Failed to allocate one boolean value object.");
607 goto end;
608 }
609
610 bool_obj->base = bt_value_create_base(BT_VALUE_TYPE_BOOL);
611 bool_obj->value = val;
612 BT_LOGD("Created boolean value object: addr=%p", bool_obj);
613
614 end:
615 return (void *) BT_VALUE_FROM_CONCRETE(bool_obj);
616 }
617
618 struct bt_private_value *bt_private_value_bool_create(void)
619 {
620 return bt_private_value_bool_create_init(BT_FALSE);
621 }
622
623 struct bt_private_value *bt_private_value_integer_create_init(int64_t val)
624 {
625 struct bt_value_integer *integer_obj;
626
627 BT_LOGD("Creating integer value object: val=%" PRId64, val);
628 integer_obj = g_new0(struct bt_value_integer, 1);
629 if (!integer_obj) {
630 BT_LOGE_STR("Failed to allocate one integer value object.");
631 goto end;
632 }
633
634 integer_obj->base = bt_value_create_base(BT_VALUE_TYPE_INTEGER);
635 integer_obj->value = val;
636 BT_LOGD("Created integer value object: addr=%p",
637 integer_obj);
638
639 end:
640 return (void *) BT_VALUE_FROM_CONCRETE(integer_obj);
641 }
642
643 struct bt_private_value *bt_private_value_integer_create(void)
644 {
645 return bt_private_value_integer_create_init(0);
646 }
647
648 struct bt_private_value *bt_private_value_real_create_init(double val)
649 {
650 struct bt_value_real *real_obj;
651
652 BT_LOGD("Creating real number value object: val=%f", val);
653 real_obj = g_new0(struct bt_value_real, 1);
654 if (!real_obj) {
655 BT_LOGE_STR("Failed to allocate one real number value object.");
656 goto end;
657 }
658
659 real_obj->base = bt_value_create_base(BT_VALUE_TYPE_REAL);
660 real_obj->value = val;
661 BT_LOGD("Created real number value object: addr=%p",
662 real_obj);
663
664 end:
665 return (void *) BT_VALUE_FROM_CONCRETE(real_obj);
666 }
667
668 struct bt_private_value *bt_private_value_real_create(void)
669 {
670 return bt_private_value_real_create_init(0.);
671 }
672
673 struct bt_private_value *bt_private_value_string_create_init(const char *val)
674 {
675 struct bt_value_string *string_obj = NULL;
676
677 if (!val) {
678 BT_LOGW_STR("Invalid parameter: value is NULL.");
679 goto end;
680 }
681
682 BT_LOGD("Creating string value object: val-len=%zu", strlen(val));
683 string_obj = g_new0(struct bt_value_string, 1);
684 if (!string_obj) {
685 BT_LOGE_STR("Failed to allocate one string object.");
686 goto end;
687 }
688
689 string_obj->base = bt_value_create_base(BT_VALUE_TYPE_STRING);
690 string_obj->gstr = g_string_new(val);
691 if (!string_obj->gstr) {
692 BT_LOGE_STR("Failed to allocate a GString.");
693 g_free(string_obj);
694 string_obj = NULL;
695 goto end;
696 }
697
698 BT_LOGD("Created string value object: addr=%p",
699 string_obj);
700
701 end:
702 return (void *) BT_VALUE_FROM_CONCRETE(string_obj);
703 }
704
705 struct bt_private_value *bt_private_value_string_create(void)
706 {
707 return bt_private_value_string_create_init("");
708 }
709
710 struct bt_private_value *bt_private_value_array_create(void)
711 {
712 struct bt_value_array *array_obj;
713
714 BT_LOGD_STR("Creating empty array value object.");
715 array_obj = g_new0(struct bt_value_array, 1);
716 if (!array_obj) {
717 BT_LOGE_STR("Failed to allocate one array object.");
718 goto end;
719 }
720
721 array_obj->base = bt_value_create_base(BT_VALUE_TYPE_ARRAY);
722 array_obj->garray = bt_g_ptr_array_new_full(0,
723 (GDestroyNotify) bt_object_put_ref);
724 if (!array_obj->garray) {
725 BT_LOGE_STR("Failed to allocate a GPtrArray.");
726 g_free(array_obj);
727 array_obj = NULL;
728 goto end;
729 }
730
731 BT_LOGD("Created array value object: addr=%p",
732 array_obj);
733
734 end:
735 return (void *) BT_VALUE_FROM_CONCRETE(array_obj);
736 }
737
738 struct bt_private_value *bt_private_value_map_create(void)
739 {
740 struct bt_value_map *map_obj;
741
742 BT_LOGD_STR("Creating empty map value object.");
743 map_obj = g_new0(struct bt_value_map, 1);
744 if (!map_obj) {
745 BT_LOGE_STR("Failed to allocate one map object.");
746 goto end;
747 }
748
749 map_obj->base = bt_value_create_base(BT_VALUE_TYPE_MAP);
750 map_obj->ght = g_hash_table_new_full(g_direct_hash, g_direct_equal,
751 NULL, (GDestroyNotify) bt_object_put_ref);
752 if (!map_obj->ght) {
753 BT_LOGE_STR("Failed to allocate a GHashTable.");
754 g_free(map_obj);
755 map_obj = NULL;
756 goto end;
757 }
758
759 BT_LOGD("Created map value object: addr=%p",
760 map_obj);
761
762 end:
763 return (void *) BT_VALUE_FROM_CONCRETE(map_obj);
764 }
765
766 bt_bool bt_value_bool_get(const struct bt_value *bool_obj)
767 {
768 BT_ASSERT_PRE_NON_NULL(bool_obj, "Value object");
769 BT_ASSERT_PRE_VALUE_IS_TYPE(bool_obj, BT_VALUE_TYPE_BOOL);
770 return BT_VALUE_TO_BOOL(bool_obj)->value;
771 }
772
773 void bt_private_value_bool_set(struct bt_private_value *bool_obj, bt_bool val)
774 {
775 BT_ASSERT_PRE_NON_NULL(bool_obj, "Value object");
776 BT_ASSERT_PRE_VALUE_IS_TYPE(bool_obj, BT_VALUE_TYPE_BOOL);
777 BT_ASSERT_PRE_VALUE_HOT(bool_obj, "Value object");
778 BT_VALUE_TO_BOOL(bool_obj)->value = val;
779 BT_LOGV("Set boolean value's raw value: value-addr=%p, value=%d",
780 bool_obj, val);
781 }
782
783 int64_t bt_value_integer_get(const struct bt_value *integer_obj)
784 {
785 BT_ASSERT_PRE_NON_NULL(integer_obj, "Value object");
786 BT_ASSERT_PRE_VALUE_IS_TYPE(integer_obj, BT_VALUE_TYPE_INTEGER);
787 return BT_VALUE_TO_INTEGER(integer_obj)->value;
788 }
789
790 void bt_private_value_integer_set(struct bt_private_value *integer_obj,
791 int64_t val)
792 {
793 BT_ASSERT_PRE_NON_NULL(integer_obj, "Value object");
794 BT_ASSERT_PRE_VALUE_IS_TYPE(integer_obj, BT_VALUE_TYPE_INTEGER);
795 BT_ASSERT_PRE_VALUE_HOT(integer_obj, "Value object");
796 BT_VALUE_TO_INTEGER(integer_obj)->value = val;
797 BT_LOGV("Set integer value's raw value: value-addr=%p, value=%" PRId64,
798 integer_obj, val);
799 }
800
801 double bt_value_real_get(const struct bt_value *real_obj)
802 {
803 BT_ASSERT_PRE_NON_NULL(real_obj, "Value object");
804 BT_ASSERT_PRE_VALUE_IS_TYPE(real_obj, BT_VALUE_TYPE_REAL);
805 return BT_VALUE_TO_REAL(real_obj)->value;
806 }
807
808 void bt_private_value_real_set(struct bt_private_value *real_obj, double val)
809 {
810 BT_ASSERT_PRE_NON_NULL(real_obj, "Value object");
811 BT_ASSERT_PRE_VALUE_IS_TYPE(real_obj, BT_VALUE_TYPE_REAL);
812 BT_ASSERT_PRE_VALUE_HOT(real_obj, "Value object");
813 BT_VALUE_TO_REAL(real_obj)->value = val;
814 BT_LOGV("Set real number value's raw value: value-addr=%p, value=%f",
815 real_obj, val);
816 }
817
818 const char *bt_value_string_get(const struct bt_value *string_obj)
819 {
820 BT_ASSERT_PRE_NON_NULL(string_obj, "Value object");
821 BT_ASSERT_PRE_VALUE_IS_TYPE(string_obj, BT_VALUE_TYPE_STRING);
822 return BT_VALUE_TO_STRING(string_obj)->gstr->str;
823 }
824
825 enum bt_value_status bt_private_value_string_set(
826 struct bt_private_value *string_obj, const char *val)
827 {
828 BT_ASSERT_PRE_NON_NULL(string_obj, "Value object");
829 BT_ASSERT_PRE_VALUE_IS_TYPE(string_obj, BT_VALUE_TYPE_STRING);
830 BT_ASSERT_PRE_VALUE_HOT(string_obj, "Value object");
831 g_string_assign(BT_VALUE_TO_STRING(string_obj)->gstr, val);
832 BT_LOGV("Set string value's raw value: value-addr=%p, raw-value-addr=%p",
833 string_obj, val);
834 return BT_VALUE_STATUS_OK;
835 }
836
837 uint64_t bt_value_array_get_size(const struct bt_value *array_obj)
838 {
839 BT_ASSERT_PRE_NON_NULL(array_obj, "Value object");
840 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
841 return (uint64_t) BT_VALUE_TO_ARRAY(array_obj)->garray->len;
842 }
843
844 struct bt_value *bt_value_array_borrow_element_by_index(
845 const struct bt_value *array_obj,
846 uint64_t index)
847 {
848 struct bt_value_array *typed_array_obj =
849 BT_VALUE_TO_ARRAY(array_obj);
850
851 BT_ASSERT_PRE_NON_NULL(array_obj, "Value object");
852 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
853 BT_ASSERT_PRE_VALUE_INDEX_IN_BOUNDS(index,
854 typed_array_obj->garray->len);
855 return g_ptr_array_index(typed_array_obj->garray, index);
856 }
857
858 struct bt_private_value *bt_private_value_array_borrow_element_by_index(
859 const struct bt_private_value *array_obj,
860 uint64_t index)
861 {
862 return (void *) bt_value_array_borrow_element_by_index(
863 (void *) array_obj, index);
864 }
865
866 enum bt_value_status bt_private_value_array_append_element(
867 struct bt_private_value *array_obj,
868 struct bt_value *element_obj)
869 {
870 struct bt_value_array *typed_array_obj =
871 BT_VALUE_TO_ARRAY(array_obj);
872
873 BT_ASSERT_PRE_NON_NULL(array_obj, "Array value object");
874 BT_ASSERT_PRE_NON_NULL(element_obj, "Element value object");
875 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
876 BT_ASSERT_PRE_VALUE_HOT(array_obj, "Array value object");
877 g_ptr_array_add(typed_array_obj->garray, element_obj);
878 bt_object_get_ref(element_obj);
879 BT_LOGV("Appended element to array value: array-value-addr=%p, "
880 "element-value-addr=%p, new-size=%u",
881 array_obj, element_obj, typed_array_obj->garray->len);
882 return BT_VALUE_STATUS_OK;
883 }
884
885 enum bt_value_status bt_private_value_array_append_bool_element(
886 struct bt_private_value *array_obj, bt_bool val)
887 {
888 enum bt_value_status ret;
889 struct bt_private_value *bool_obj = NULL;
890
891 bool_obj = bt_private_value_bool_create_init(val);
892 ret = bt_private_value_array_append_element(array_obj,
893 (void *) bool_obj);
894 bt_object_put_ref(bool_obj);
895 return ret;
896 }
897
898 enum bt_value_status bt_private_value_array_append_integer_element(
899 struct bt_private_value *array_obj, int64_t val)
900 {
901 enum bt_value_status ret;
902 struct bt_private_value *integer_obj = NULL;
903
904 integer_obj = bt_private_value_integer_create_init(val);
905 ret = bt_private_value_array_append_element(array_obj,
906 (void *) integer_obj);
907 bt_object_put_ref(integer_obj);
908 return ret;
909 }
910
911 enum bt_value_status bt_private_value_array_append_real_element(
912 struct bt_private_value *array_obj, double val)
913 {
914 enum bt_value_status ret;
915 struct bt_private_value *real_obj = NULL;
916
917 real_obj = bt_private_value_real_create_init(val);
918 ret = bt_private_value_array_append_element(array_obj,
919 (void *) real_obj);
920 bt_object_put_ref(real_obj);
921 return ret;
922 }
923
924 enum bt_value_status bt_private_value_array_append_string_element(
925 struct bt_private_value *array_obj, const char *val)
926 {
927 enum bt_value_status ret;
928 struct bt_private_value *string_obj = NULL;
929
930 string_obj = bt_private_value_string_create_init(val);
931 ret = bt_private_value_array_append_element(array_obj,
932 (void *) string_obj);
933 bt_object_put_ref(string_obj);
934 return ret;
935 }
936
937 enum bt_value_status bt_private_value_array_append_empty_array_element(
938 struct bt_private_value *array_obj)
939 {
940 enum bt_value_status ret;
941 struct bt_private_value *empty_array_obj = NULL;
942
943 empty_array_obj = bt_private_value_array_create();
944 ret = bt_private_value_array_append_element(array_obj,
945 (void *) empty_array_obj);
946 bt_object_put_ref(empty_array_obj);
947 return ret;
948 }
949
950 enum bt_value_status bt_private_value_array_append_empty_map_element(
951 struct bt_private_value *array_obj)
952 {
953 enum bt_value_status ret;
954 struct bt_private_value *map_obj = NULL;
955
956 map_obj = bt_private_value_map_create();
957 ret = bt_private_value_array_append_element(array_obj,
958 (void *) map_obj);
959 bt_object_put_ref(map_obj);
960 return ret;
961 }
962
963 enum bt_value_status bt_private_value_array_set_element_by_index(
964 struct bt_private_value *array_obj, uint64_t index,
965 struct bt_value *element_obj)
966 {
967 struct bt_value_array *typed_array_obj =
968 BT_VALUE_TO_ARRAY(array_obj);
969
970 BT_ASSERT_PRE_NON_NULL(array_obj, "Array value object");
971 BT_ASSERT_PRE_NON_NULL(element_obj, "Element value object");
972 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
973 BT_ASSERT_PRE_VALUE_HOT(array_obj, "Array value object");
974 BT_ASSERT_PRE_VALUE_INDEX_IN_BOUNDS(index,
975 typed_array_obj->garray->len);
976 bt_object_put_ref(g_ptr_array_index(typed_array_obj->garray, index));
977 g_ptr_array_index(typed_array_obj->garray, index) = element_obj;
978 bt_object_get_ref(element_obj);
979 BT_LOGV("Set array value's element: array-value-addr=%p, "
980 "index=%" PRIu64 ", element-value-addr=%p",
981 array_obj, index, element_obj);
982 return BT_VALUE_STATUS_OK;
983 }
984
985 uint64_t bt_value_map_get_size(const struct bt_value *map_obj)
986 {
987 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
988 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
989 return (uint64_t) g_hash_table_size(BT_VALUE_TO_MAP(map_obj)->ght);
990 }
991
992 struct bt_value *bt_value_map_borrow_entry_value(const struct bt_value *map_obj,
993 const char *key)
994 {
995 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
996 BT_ASSERT_PRE_NON_NULL(key, "Key");
997 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
998 return g_hash_table_lookup(BT_VALUE_TO_MAP(map_obj)->ght,
999 GUINT_TO_POINTER(g_quark_from_string(key)));
1000 }
1001
1002 struct bt_private_value *bt_private_value_map_borrow_entry_value(
1003 const struct bt_private_value *map_obj, const char *key)
1004 {
1005 return (void *) bt_value_map_borrow_entry_value((void *) map_obj, key);
1006 }
1007
1008 bt_bool bt_value_map_has_entry(const struct bt_value *map_obj, const char *key)
1009 {
1010 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
1011 BT_ASSERT_PRE_NON_NULL(key, "Key");
1012 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
1013 return bt_g_hash_table_contains(BT_VALUE_TO_MAP(map_obj)->ght,
1014 GUINT_TO_POINTER(g_quark_from_string(key)));
1015 }
1016
1017 enum bt_value_status bt_private_value_map_insert_entry(
1018 struct bt_private_value *map_obj,
1019 const char *key, struct bt_value *element_obj)
1020 {
1021 BT_ASSERT_PRE_NON_NULL(map_obj, "Map value object");
1022 BT_ASSERT_PRE_NON_NULL(key, "Key");
1023 BT_ASSERT_PRE_NON_NULL(element_obj, "Element value object");
1024 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
1025 BT_ASSERT_PRE_VALUE_HOT(map_obj, "Map value object");
1026 g_hash_table_insert(BT_VALUE_TO_MAP(map_obj)->ght,
1027 GUINT_TO_POINTER(g_quark_from_string(key)), element_obj);
1028 bt_object_get_ref(element_obj);
1029 BT_LOGV("Inserted value into map value: map-value-addr=%p, "
1030 "key=\"%s\", element-value-addr=%p",
1031 map_obj, key, element_obj);
1032 return BT_VALUE_STATUS_OK;
1033 }
1034
1035 enum bt_value_status bt_private_value_map_insert_bool_entry(
1036 struct bt_private_value *map_obj, const char *key, bt_bool val)
1037 {
1038 enum bt_value_status ret;
1039 struct bt_private_value *bool_obj = NULL;
1040
1041 bool_obj = bt_private_value_bool_create_init(val);
1042 ret = bt_private_value_map_insert_entry(map_obj, key,
1043 (void *) bool_obj);
1044 bt_object_put_ref(bool_obj);
1045 return ret;
1046 }
1047
1048 enum bt_value_status bt_private_value_map_insert_integer_entry(
1049 struct bt_private_value *map_obj, const char *key, int64_t val)
1050 {
1051 enum bt_value_status ret;
1052 struct bt_private_value *integer_obj = NULL;
1053
1054 integer_obj = bt_private_value_integer_create_init(val);
1055 ret = bt_private_value_map_insert_entry(map_obj, key,
1056 (void *) integer_obj);
1057 bt_object_put_ref(integer_obj);
1058 return ret;
1059 }
1060
1061 enum bt_value_status bt_private_value_map_insert_real_entry(
1062 struct bt_private_value *map_obj, const char *key, double val)
1063 {
1064 enum bt_value_status ret;
1065 struct bt_private_value *real_obj = NULL;
1066
1067 real_obj = bt_private_value_real_create_init(val);
1068 ret = bt_private_value_map_insert_entry(map_obj, key,
1069 (void *) real_obj);
1070 bt_object_put_ref(real_obj);
1071 return ret;
1072 }
1073
1074 enum bt_value_status bt_private_value_map_insert_string_entry(
1075 struct bt_private_value *map_obj, const char *key,
1076 const char *val)
1077 {
1078 enum bt_value_status ret;
1079 struct bt_private_value *string_obj = NULL;
1080
1081 string_obj = bt_private_value_string_create_init(val);
1082 ret = bt_private_value_map_insert_entry(map_obj, key,
1083 (void *) string_obj);
1084 bt_object_put_ref(string_obj);
1085 return ret;
1086 }
1087
1088 enum bt_value_status bt_private_value_map_insert_empty_array_entry(
1089 struct bt_private_value *map_obj, const char *key)
1090 {
1091 enum bt_value_status ret;
1092 struct bt_private_value *array_obj = NULL;
1093
1094 array_obj = bt_private_value_array_create();
1095 ret = bt_private_value_map_insert_entry(map_obj, key,
1096 (void *) array_obj);
1097 bt_object_put_ref(array_obj);
1098 return ret;
1099 }
1100
1101 enum bt_value_status bt_private_value_map_insert_empty_map_entry(
1102 struct bt_private_value *map_obj, const char *key)
1103 {
1104 enum bt_value_status ret;
1105 struct bt_private_value *empty_map_obj = NULL;
1106
1107 empty_map_obj = bt_private_value_map_create();
1108 ret = bt_private_value_map_insert_entry(map_obj, key,
1109 (void *) empty_map_obj);
1110 bt_object_put_ref(empty_map_obj);
1111 return ret;
1112 }
1113
1114 enum bt_value_status bt_value_map_foreach_entry(const struct bt_value *map_obj,
1115 bt_value_map_foreach_entry_cb cb, void *data)
1116 {
1117 enum bt_value_status ret = BT_VALUE_STATUS_OK;
1118 gpointer key, element_obj;
1119 GHashTableIter iter;
1120 struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
1121
1122 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
1123 BT_ASSERT_PRE_NON_NULL(cb, "Callback");
1124 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
1125 g_hash_table_iter_init(&iter, typed_map_obj->ght);
1126
1127 while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
1128 const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key));
1129
1130 if (!cb(key_str, element_obj, data)) {
1131 BT_LOGV("User canceled the loop: key=\"%s\", "
1132 "value-addr=%p, data=%p",
1133 key_str, element_obj, data);
1134 ret = BT_VALUE_STATUS_CANCELED;
1135 break;
1136 }
1137 }
1138
1139 return ret;
1140 }
1141
1142 enum bt_value_status bt_private_value_map_foreach_entry(
1143 const struct bt_private_value *map_obj,
1144 bt_private_value_map_foreach_entry_cb cb, void *data)
1145 {
1146 return bt_value_map_foreach_entry((void *) map_obj,
1147 (bt_value_map_foreach_entry_cb) cb, data);
1148 }
1149
1150 struct extend_map_element_data {
1151 struct bt_private_value *extended_obj;
1152 enum bt_value_status status;
1153 };
1154
1155 static
1156 bt_bool extend_map_element(const char *key,
1157 struct bt_value *extension_obj_elem, void *data)
1158 {
1159 bt_bool ret = BT_TRUE;
1160 struct extend_map_element_data *extend_data = data;
1161 struct bt_private_value *extension_obj_elem_copy = NULL;
1162
1163 /* Copy object which is to replace the current one */
1164 extend_data->status = bt_value_copy(&extension_obj_elem_copy,
1165 extension_obj_elem);
1166 if (extend_data->status) {
1167 BT_LOGE("Cannot copy map element: addr=%p",
1168 extension_obj_elem);
1169 goto error;
1170 }
1171
1172 BT_ASSERT(extension_obj_elem_copy);
1173
1174 /* Replace in extended object */
1175 extend_data->status = bt_private_value_map_insert_entry(
1176 extend_data->extended_obj, key,
1177 (void *) extension_obj_elem_copy);
1178 if (extend_data->status) {
1179 BT_LOGE("Cannot replace value in extended value: key=\"%s\", "
1180 "extended-value-addr=%p, element-value-addr=%p",
1181 key, extend_data->extended_obj,
1182 extension_obj_elem_copy);
1183 goto error;
1184 }
1185
1186 goto end;
1187
1188 error:
1189 BT_ASSERT(extend_data->status != BT_VALUE_STATUS_OK);
1190 ret = BT_FALSE;
1191
1192 end:
1193 BT_OBJECT_PUT_REF_AND_RESET(extension_obj_elem_copy);
1194 return ret;
1195 }
1196
1197 enum bt_value_status bt_value_map_extend(
1198 struct bt_private_value **extended_map_obj,
1199 const struct bt_value *base_map_obj,
1200 const struct bt_value *extension_obj)
1201 {
1202 struct extend_map_element_data extend_data = {
1203 .extended_obj = NULL,
1204 .status = BT_VALUE_STATUS_OK,
1205 };
1206
1207 BT_ASSERT_PRE_NON_NULL(base_map_obj, "Base value object");
1208 BT_ASSERT_PRE_NON_NULL(extension_obj, "Extension value object");
1209 BT_ASSERT_PRE_NON_NULL(extended_map_obj,
1210 "Extended value object (output)");
1211 BT_ASSERT_PRE_VALUE_IS_TYPE(base_map_obj, BT_VALUE_TYPE_MAP);
1212 BT_ASSERT_PRE_VALUE_IS_TYPE(extension_obj, BT_VALUE_TYPE_MAP);
1213 BT_LOGD("Extending map value: base-value-addr=%p, extension-value-addr=%p",
1214 base_map_obj, extension_obj);
1215 *extended_map_obj = NULL;
1216
1217 /* Create copy of base map object to start with */
1218 extend_data.status = bt_value_copy(extended_map_obj, base_map_obj);
1219 if (extend_data.status) {
1220 BT_LOGE("Cannot copy base value: base-value-addr=%p",
1221 base_map_obj);
1222 goto error;
1223 }
1224
1225 BT_ASSERT(extended_map_obj);
1226
1227 /*
1228 * For each key in the extension map object, replace this key
1229 * in the copied map object.
1230 */
1231 extend_data.extended_obj = *extended_map_obj;
1232
1233 if (bt_value_map_foreach_entry(extension_obj, extend_map_element,
1234 &extend_data)) {
1235 BT_LOGE("Cannot iterate on the extension object's elements: "
1236 "extension-value-addr=%p", extension_obj);
1237 goto error;
1238 }
1239
1240 if (extend_data.status) {
1241 BT_LOGE("Failed to successfully iterate on the extension object's elements: "
1242 "extension-value-addr=%p", extension_obj);
1243 goto error;
1244 }
1245
1246 BT_LOGD("Extended map value: extended-value-addr=%p",
1247 *extended_map_obj);
1248 goto end;
1249
1250 error:
1251 BT_OBJECT_PUT_REF_AND_RESET(*extended_map_obj);
1252 *extended_map_obj = NULL;
1253
1254 end:
1255 return extend_data.status;
1256 }
1257
1258 enum bt_value_status bt_value_copy(struct bt_private_value **copy_obj,
1259 const struct bt_value *object)
1260 {
1261 enum bt_value_status status = BT_VALUE_STATUS_OK;
1262
1263 BT_ASSERT_PRE_NON_NULL(object, "Value object");
1264 BT_ASSERT_PRE_NON_NULL(copy_obj, "Value object copy (output)");
1265 BT_LOGD("Copying value object: addr=%p", object);
1266 *copy_obj = copy_funcs[object->type](object);
1267 if (*copy_obj) {
1268 BT_LOGD("Copied value object: copy-value-addr=%p",
1269 copy_obj);
1270 } else {
1271 status = BT_VALUE_STATUS_NOMEM;
1272 *copy_obj = NULL;
1273 BT_LOGE_STR("Failed to copy value object.");
1274 }
1275
1276 return status;
1277 }
1278
1279 bt_bool bt_value_compare(const struct bt_value *object_a,
1280 const struct bt_value *object_b)
1281 {
1282 bt_bool ret = BT_FALSE;
1283
1284 BT_ASSERT_PRE_NON_NULL(object_a, "Value object A");
1285 BT_ASSERT_PRE_NON_NULL(object_b, "Value object B");
1286
1287 if (object_a->type != object_b->type) {
1288 BT_LOGV("Values are different: type mismatch: "
1289 "value-a-addr=%p, value-b-addr=%p, "
1290 "value-a-type=%s, value-b-type=%s",
1291 object_a, object_b,
1292 bt_common_value_type_string(object_a->type),
1293 bt_common_value_type_string(object_b->type));
1294 goto end;
1295 }
1296
1297 ret = compare_funcs[object_a->type](object_a, object_b);
1298
1299 end:
1300 return ret;
1301 }
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