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Fix: lib: field.c: calling _PUT_REF() on unique objects on error
[babeltrace.git] / src / lib / trace-ir / field.c
1 /*
2 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
3 * Copyright 2013, 2014 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/FIELD"
25 #include "lib/logging.h"
26
27 #include "lib/assert-pre.h"
28 #include <babeltrace2/trace-ir/field.h>
29 #include <babeltrace2/trace-ir/field-const.h>
30 #include "lib/object.h"
31 #include "compat/compiler.h"
32 #include "compat/fcntl.h"
33 #include "common/align.h"
34 #include "common/assert.h"
35 #include <inttypes.h>
36
37 #include "field.h"
38 #include "field-class.h"
39 #include "lib/func-status.h"
40
41 static
42 void reset_single_field(struct bt_field *field);
43
44 static
45 void reset_array_field(struct bt_field *field);
46
47 static
48 void reset_structure_field(struct bt_field *field);
49
50 static
51 void reset_option_field(struct bt_field *field);
52
53 static
54 void reset_variant_field(struct bt_field *field);
55
56 static
57 void set_single_field_is_frozen(struct bt_field *field, bool is_frozen);
58
59 static
60 void set_array_field_is_frozen(struct bt_field *field, bool is_frozen);
61
62 static
63 void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen);
64
65 static
66 void set_option_field_is_frozen(struct bt_field *field, bool is_frozen);
67
68 static
69 void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen);
70
71 static
72 bool single_field_is_set(const struct bt_field *field);
73
74 static
75 bool array_field_is_set(const struct bt_field *field);
76
77 static
78 bool structure_field_is_set(const struct bt_field *field);
79
80 static
81 bool option_field_is_set(const struct bt_field *field);
82
83 static
84 bool variant_field_is_set(const struct bt_field *field);
85
86 static
87 struct bt_field_methods bool_field_methods = {
88 .set_is_frozen = set_single_field_is_frozen,
89 .is_set = single_field_is_set,
90 .reset = reset_single_field,
91 };
92
93 static
94 struct bt_field_methods bit_array_field_methods = {
95 .set_is_frozen = set_single_field_is_frozen,
96 .is_set = single_field_is_set,
97 .reset = reset_single_field,
98 };
99
100 static
101 struct bt_field_methods integer_field_methods = {
102 .set_is_frozen = set_single_field_is_frozen,
103 .is_set = single_field_is_set,
104 .reset = reset_single_field,
105 };
106
107 static
108 struct bt_field_methods real_field_methods = {
109 .set_is_frozen = set_single_field_is_frozen,
110 .is_set = single_field_is_set,
111 .reset = reset_single_field,
112 };
113
114 static
115 struct bt_field_methods string_field_methods = {
116 .set_is_frozen = set_single_field_is_frozen,
117 .is_set = single_field_is_set,
118 .reset = reset_single_field,
119 };
120
121 static
122 struct bt_field_methods structure_field_methods = {
123 .set_is_frozen = set_structure_field_is_frozen,
124 .is_set = structure_field_is_set,
125 .reset = reset_structure_field,
126 };
127
128 static
129 struct bt_field_methods array_field_methods = {
130 .set_is_frozen = set_array_field_is_frozen,
131 .is_set = array_field_is_set,
132 .reset = reset_array_field,
133 };
134
135 static
136 struct bt_field_methods option_field_methods = {
137 .set_is_frozen = set_option_field_is_frozen,
138 .is_set = option_field_is_set,
139 .reset = reset_option_field,
140 };
141
142 static
143 struct bt_field_methods variant_field_methods = {
144 .set_is_frozen = set_variant_field_is_frozen,
145 .is_set = variant_field_is_set,
146 .reset = reset_variant_field,
147 };
148
149 static
150 struct bt_field *create_bool_field(struct bt_field_class *);
151
152 static
153 struct bt_field *create_bit_array_field(struct bt_field_class *);
154
155 static
156 struct bt_field *create_integer_field(struct bt_field_class *);
157
158 static
159 struct bt_field *create_real_field(struct bt_field_class *);
160
161 static
162 struct bt_field *create_string_field(struct bt_field_class *);
163
164 static
165 struct bt_field *create_structure_field(struct bt_field_class *);
166 static
167 struct bt_field *create_static_array_field(struct bt_field_class *);
168
169 static
170 struct bt_field *create_dynamic_array_field(struct bt_field_class *);
171
172 static
173 struct bt_field *create_option_field(struct bt_field_class *);
174
175 static
176 struct bt_field *create_variant_field(struct bt_field_class *);
177
178 static
179 struct bt_field *(* const field_create_funcs[])(struct bt_field_class *) = {
180 [BT_FIELD_CLASS_TYPE_BOOL] = create_bool_field,
181 [BT_FIELD_CLASS_TYPE_BIT_ARRAY] = create_bit_array_field,
182 [BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER] = create_integer_field,
183 [BT_FIELD_CLASS_TYPE_SIGNED_INTEGER] = create_integer_field,
184 [BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION] = create_integer_field,
185 [BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION] = create_integer_field,
186 [BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL] = create_real_field,
187 [BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL] = create_real_field,
188 [BT_FIELD_CLASS_TYPE_STRING] = create_string_field,
189 [BT_FIELD_CLASS_TYPE_STRUCTURE] = create_structure_field,
190 [BT_FIELD_CLASS_TYPE_STATIC_ARRAY] = create_static_array_field,
191 [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY] = create_dynamic_array_field,
192 [BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR] = create_option_field,
193 [BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR] = create_option_field,
194 [BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR] = create_option_field,
195 [BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR] = create_option_field,
196 [BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR] = create_variant_field,
197 [BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR] = create_variant_field,
198 [BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR] = create_variant_field,
199 };
200
201 static
202 void destroy_bool_field(struct bt_field *field);
203
204 static
205 void destroy_bit_array_field(struct bt_field *field);
206
207 static
208 void destroy_integer_field(struct bt_field *field);
209
210 static
211 void destroy_real_field(struct bt_field *field);
212
213 static
214 void destroy_string_field(struct bt_field *field);
215
216 static
217 void destroy_structure_field(struct bt_field *field);
218
219 static
220 void destroy_array_field(struct bt_field *field);
221
222 static
223 void destroy_option_field(struct bt_field *field);
224
225 static
226 void destroy_variant_field(struct bt_field *field);
227
228 static
229 void (* const field_destroy_funcs[])(struct bt_field *) = {
230 [BT_FIELD_CLASS_TYPE_BOOL] = destroy_bool_field,
231 [BT_FIELD_CLASS_TYPE_BIT_ARRAY] = destroy_bit_array_field,
232 [BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER] = destroy_integer_field,
233 [BT_FIELD_CLASS_TYPE_SIGNED_INTEGER] = destroy_integer_field,
234 [BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION] = destroy_integer_field,
235 [BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION] = destroy_integer_field,
236 [BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL] = destroy_real_field,
237 [BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL] = destroy_real_field,
238 [BT_FIELD_CLASS_TYPE_STRING] = destroy_string_field,
239 [BT_FIELD_CLASS_TYPE_STRUCTURE] = destroy_structure_field,
240 [BT_FIELD_CLASS_TYPE_STATIC_ARRAY] = destroy_array_field,
241 [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY] = destroy_array_field,
242 [BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR] = destroy_option_field,
243 [BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR] = destroy_option_field,
244 [BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR] = destroy_option_field,
245 [BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR] = destroy_option_field,
246 [BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR] = destroy_variant_field,
247 [BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR] = destroy_variant_field,
248 [BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR] = destroy_variant_field,
249 };
250
251 struct bt_field_class *bt_field_borrow_class(struct bt_field *field)
252 {
253 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
254 return field->class;
255 }
256
257 const struct bt_field_class *bt_field_borrow_class_const(
258 const struct bt_field *field)
259 {
260 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
261 return field->class;
262 }
263
264 enum bt_field_class_type bt_field_get_class_type(const struct bt_field *field)
265 {
266 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
267 return field->class->type;
268 }
269
270 BT_HIDDEN
271 struct bt_field *bt_field_create(struct bt_field_class *fc)
272 {
273 struct bt_field *field = NULL;
274
275 BT_ASSERT(fc);
276 field = field_create_funcs[fc->type](fc);
277 if (!field) {
278 BT_LIB_LOGE_APPEND_CAUSE("Cannot create field object from field class: "
279 "%![fc-]+F", fc);
280 goto end;
281 }
282
283 end:
284 return field;
285 }
286
287 static inline
288 void init_field(struct bt_field *field, struct bt_field_class *fc,
289 struct bt_field_methods *methods)
290 {
291 BT_ASSERT(field);
292 BT_ASSERT(fc);
293 bt_object_init_unique(&field->base);
294 field->methods = methods;
295 field->class = fc;
296 bt_object_get_ref_no_null_check(fc);
297 }
298
299 static
300 struct bt_field *create_bool_field(struct bt_field_class *fc)
301 {
302 struct bt_field_bool *bool_field;
303
304 BT_LIB_LOGD("Creating boolean field object: %![fc-]+F", fc);
305 bool_field = g_new0(struct bt_field_bool, 1);
306 if (!bool_field) {
307 BT_LIB_LOGE_APPEND_CAUSE(
308 "Failed to allocate one boolean field.");
309 goto end;
310 }
311
312 init_field((void *) bool_field, fc, &bool_field_methods);
313 BT_LIB_LOGD("Created boolean field object: %!+f", bool_field);
314
315 end:
316 return (void *) bool_field;
317 }
318
319 static
320 struct bt_field *create_bit_array_field(struct bt_field_class *fc)
321 {
322 struct bt_field_bit_array *ba_field;
323
324 BT_LIB_LOGD("Creating bit array field object: %![fc-]+F", fc);
325 ba_field = g_new0(struct bt_field_bit_array, 1);
326 if (!ba_field) {
327 BT_LIB_LOGE_APPEND_CAUSE(
328 "Failed to allocate one bit array field.");
329 goto end;
330 }
331
332 init_field((void *) ba_field, fc, &bit_array_field_methods);
333 BT_LIB_LOGD("Created bit array field object: %!+f", ba_field);
334
335 end:
336 return (void *) ba_field;
337 }
338
339 static
340 struct bt_field *create_integer_field(struct bt_field_class *fc)
341 {
342 struct bt_field_integer *int_field;
343
344 BT_LIB_LOGD("Creating integer field object: %![fc-]+F", fc);
345 int_field = g_new0(struct bt_field_integer, 1);
346 if (!int_field) {
347 BT_LIB_LOGE_APPEND_CAUSE(
348 "Failed to allocate one integer field.");
349 goto end;
350 }
351
352 init_field((void *) int_field, fc, &integer_field_methods);
353 BT_LIB_LOGD("Created integer field object: %!+f", int_field);
354
355 end:
356 return (void *) int_field;
357 }
358
359 static
360 struct bt_field *create_real_field(struct bt_field_class *fc)
361 {
362 struct bt_field_real *real_field;
363
364 BT_LIB_LOGD("Creating real field object: %![fc-]+F", fc);
365 real_field = g_new0(struct bt_field_real, 1);
366 if (!real_field) {
367 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one real field.");
368 goto end;
369 }
370
371 init_field((void *) real_field, fc, &real_field_methods);
372 BT_LIB_LOGD("Created real field object: %!+f", real_field);
373
374 end:
375 return (void *) real_field;
376 }
377
378 static
379 struct bt_field *create_string_field(struct bt_field_class *fc)
380 {
381 struct bt_field_string *string_field;
382
383 BT_LIB_LOGD("Creating string field object: %![fc-]+F", fc);
384 string_field = g_new0(struct bt_field_string, 1);
385 if (!string_field) {
386 BT_LIB_LOGE_APPEND_CAUSE(
387 "Failed to allocate one string field.");
388 goto end;
389 }
390
391 init_field((void *) string_field, fc, &string_field_methods);
392 string_field->buf = g_array_sized_new(FALSE, FALSE,
393 sizeof(char), 1);
394 if (!string_field->buf) {
395 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
396 bt_field_destroy((void *) string_field);
397 string_field = NULL;
398 goto end;
399 }
400
401 g_array_index(string_field->buf, char, 0) = '\0';
402 BT_LIB_LOGD("Created string field object: %!+f", string_field);
403
404 end:
405 return (void *) string_field;
406 }
407
408 static inline
409 int create_fields_from_named_field_classes(
410 struct bt_field_class_named_field_class_container *fc,
411 GPtrArray **fields)
412 {
413 int ret = 0;
414 uint64_t i;
415
416 *fields = g_ptr_array_new_with_free_func(
417 (GDestroyNotify) bt_field_destroy);
418 if (!*fields) {
419 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
420 ret = -1;
421 goto end;
422 }
423
424 g_ptr_array_set_size(*fields, fc->named_fcs->len);
425
426 for (i = 0; i < fc->named_fcs->len; i++) {
427 struct bt_field *field;
428 struct bt_named_field_class *named_fc = fc->named_fcs->pdata[i];
429
430 field = bt_field_create(named_fc->fc);
431 if (!field) {
432 BT_LIB_LOGE_APPEND_CAUSE(
433 "Failed to create structure member or variant option field: "
434 "name=\"%s\", %![fc-]+F",
435 named_fc->name->str, named_fc->fc);
436 ret = -1;
437 goto end;
438 }
439
440 g_ptr_array_index(*fields, i) = field;
441 }
442
443 end:
444 return ret;
445 }
446
447 static
448 struct bt_field *create_structure_field(struct bt_field_class *fc)
449 {
450 struct bt_field_structure *struct_field;
451
452 BT_LIB_LOGD("Creating structure field object: %![fc-]+F", fc);
453 struct_field = g_new0(struct bt_field_structure, 1);
454 if (!struct_field) {
455 BT_LIB_LOGE_APPEND_CAUSE(
456 "Failed to allocate one structure field.");
457 goto end;
458 }
459
460 init_field((void *) struct_field, fc, &structure_field_methods);
461
462 if (create_fields_from_named_field_classes((void *) fc,
463 &struct_field->fields)) {
464 BT_LIB_LOGE_APPEND_CAUSE(
465 "Cannot create structure member fields: %![fc-]+F", fc);
466 bt_field_destroy((void *) struct_field);
467 struct_field = NULL;
468 goto end;
469 }
470
471 BT_LIB_LOGD("Created structure field object: %!+f", struct_field);
472
473 end:
474 return (void *) struct_field;
475 }
476
477 static
478 struct bt_field *create_option_field(struct bt_field_class *fc)
479 {
480 struct bt_field_option *opt_field;
481 struct bt_field_class_option *opt_fc = (void *) fc;
482
483 BT_LIB_LOGD("Creating option field object: %![fc-]+F", fc);
484 opt_field = g_new0(struct bt_field_option, 1);
485 if (!opt_field) {
486 BT_LIB_LOGE_APPEND_CAUSE(
487 "Failed to allocate one option field.");
488 goto end;
489 }
490
491 init_field((void *) opt_field, fc, &option_field_methods);
492 opt_field->content_field = bt_field_create(opt_fc->content_fc);
493 if (!opt_field->content_field) {
494 BT_LIB_LOGE_APPEND_CAUSE(
495 "Failed to create option field's content field: "
496 "%![opt-fc-]+F, %![content-fc-]+F",
497 opt_fc, opt_fc->content_fc);
498 bt_field_destroy((void *) opt_field);
499 opt_field = NULL;
500 goto end;
501 }
502
503 BT_LIB_LOGD("Created option field object: %!+f", opt_field);
504
505 end:
506 return (void *) opt_field;
507 }
508
509 static
510 struct bt_field *create_variant_field(struct bt_field_class *fc)
511 {
512 struct bt_field_variant *var_field;
513
514 BT_LIB_LOGD("Creating variant field object: %![fc-]+F", fc);
515 var_field = g_new0(struct bt_field_variant, 1);
516 if (!var_field) {
517 BT_LIB_LOGE_APPEND_CAUSE(
518 "Failed to allocate one variant field.");
519 goto end;
520 }
521
522 init_field((void *) var_field, fc, &variant_field_methods);
523
524 if (create_fields_from_named_field_classes((void *) fc,
525 &var_field->fields)) {
526 BT_LIB_LOGE_APPEND_CAUSE("Cannot create variant member fields: "
527 "%![fc-]+F", fc);
528 bt_field_destroy((void *) var_field);
529 var_field = NULL;
530 goto end;
531 }
532
533 BT_LIB_LOGD("Created variant field object: %!+f", var_field);
534
535 end:
536 return (void *) var_field;
537 }
538
539 static inline
540 int init_array_field_fields(struct bt_field_array *array_field)
541 {
542 int ret = 0;
543 uint64_t i;
544 struct bt_field_class_array *array_fc;
545
546 BT_ASSERT(array_field);
547 array_fc = (void *) array_field->common.class;
548 array_field->fields = g_ptr_array_sized_new(array_field->length);
549 if (!array_field->fields) {
550 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
551 ret = -1;
552 goto end;
553 }
554
555 g_ptr_array_set_free_func(array_field->fields,
556 (GDestroyNotify) bt_field_destroy);
557 g_ptr_array_set_size(array_field->fields, array_field->length);
558
559 for (i = 0; i < array_field->length; i++) {
560 array_field->fields->pdata[i] = bt_field_create(
561 array_fc->element_fc);
562 if (!array_field->fields->pdata[i]) {
563 BT_LIB_LOGE_APPEND_CAUSE(
564 "Cannot create array field's element field: "
565 "index=%" PRIu64 ", %![fc-]+F", i, array_fc);
566 ret = -1;
567 goto end;
568 }
569 }
570
571 end:
572 return ret;
573 }
574
575 static
576 struct bt_field *create_static_array_field(struct bt_field_class *fc)
577 {
578 struct bt_field_class_array_static *array_fc = (void *) fc;
579 struct bt_field_array *array_field;
580
581 BT_LIB_LOGD("Creating static array field object: %![fc-]+F", fc);
582 array_field = g_new0(struct bt_field_array, 1);
583 if (!array_field) {
584 BT_LIB_LOGE_APPEND_CAUSE(
585 "Failed to allocate one static array field.");
586 goto end;
587 }
588
589 init_field((void *) array_field, fc, &array_field_methods);
590 array_field->length = array_fc->length;
591
592 if (init_array_field_fields(array_field)) {
593 BT_LIB_LOGE_APPEND_CAUSE("Cannot create static array fields: "
594 "%![fc-]+F", fc);
595 bt_field_destroy((void *) array_field);
596 array_field = NULL;
597 goto end;
598 }
599
600 BT_LIB_LOGD("Created static array field object: %!+f", array_field);
601
602 end:
603 return (void *) array_field;
604 }
605
606 static
607 struct bt_field *create_dynamic_array_field(struct bt_field_class *fc)
608 {
609 struct bt_field_array *array_field;
610
611 BT_LIB_LOGD("Creating dynamic array field object: %![fc-]+F", fc);
612 array_field = g_new0(struct bt_field_array, 1);
613 if (!array_field) {
614 BT_LIB_LOGE_APPEND_CAUSE(
615 "Failed to allocate one dynamic array field.");
616 goto end;
617 }
618
619 init_field((void *) array_field, fc, &array_field_methods);
620
621 if (init_array_field_fields(array_field)) {
622 BT_LIB_LOGE_APPEND_CAUSE("Cannot create dynamic array fields: "
623 "%![fc-]+F", fc);
624 bt_field_destroy((void *) array_field);
625 array_field = NULL;
626 goto end;
627 }
628
629 BT_LIB_LOGD("Created dynamic array field object: %!+f", array_field);
630
631 end:
632 return (void *) array_field;
633 }
634
635 bt_bool bt_field_bool_get_value(const struct bt_field *field)
636 {
637 const struct bt_field_bool *bool_field = (const void *) field;
638
639 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
640 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
641 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_BOOL,
642 "Field");
643 return (bt_bool) bool_field->value;
644 }
645
646 void bt_field_bool_set_value(struct bt_field *field, bt_bool value)
647 {
648 struct bt_field_bool *bool_field = (void *) field;
649
650 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
651 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_BOOL,
652 "Field");
653 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
654 bool_field->value = (bool) value;
655 bt_field_set_single(field, true);
656 }
657
658 uint64_t bt_field_bit_array_get_value_as_integer(const struct bt_field *field)
659 {
660 const struct bt_field_bit_array *ba_field = (const void *) field;
661
662 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
663 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
664 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
665 BT_FIELD_CLASS_TYPE_BIT_ARRAY, "Field");
666 return ba_field->value_as_int;
667 }
668
669 void bt_field_bit_array_set_value_as_integer(struct bt_field *field,
670 uint64_t value)
671 {
672 struct bt_field_bit_array *ba_field = (void *) field;
673 struct bt_field_class_bit_array *ba_fc;
674
675 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
676 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
677 BT_FIELD_CLASS_TYPE_BIT_ARRAY, "Field");
678 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
679 ba_fc = (void *) field->class;
680 ba_field->value_as_int = value;
681
682 if (ba_fc->length < 64) {
683 /* Apply mask */
684 ba_field->value_as_int &= ((UINT64_C(1) << ba_fc->length) - 1);
685 }
686
687 bt_field_set_single(field, true);
688 }
689
690 int64_t bt_field_integer_signed_get_value(const struct bt_field *field)
691 {
692 const struct bt_field_integer *int_field = (const void *) field;
693
694 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
695 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
696 BT_ASSERT_PRE_DEV_FIELD_IS_SIGNED_INT(field, "Field");
697 return int_field->value.i;
698 }
699
700 void bt_field_integer_signed_set_value(struct bt_field *field, int64_t value)
701 {
702 struct bt_field_integer *int_field = (void *) field;
703
704 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
705 BT_ASSERT_PRE_DEV_FIELD_IS_SIGNED_INT(field, "Field");
706 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
707 BT_ASSERT_PRE_DEV(bt_util_value_is_in_range_signed(
708 ((struct bt_field_class_integer *) field->class)->range, value),
709 "Value is out of bounds: value=%" PRId64 ", %![field-]+f, "
710 "%![fc-]+F", value, field, field->class);
711 int_field->value.i = value;
712 bt_field_set_single(field, true);
713 }
714
715 uint64_t bt_field_integer_unsigned_get_value(const struct bt_field *field)
716 {
717 const struct bt_field_integer *int_field = (const void *) field;
718
719 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
720 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
721 BT_ASSERT_PRE_DEV_FIELD_IS_UNSIGNED_INT(field, "Field");
722 return int_field->value.u;
723 }
724
725 void bt_field_integer_unsigned_set_value(struct bt_field *field, uint64_t value)
726 {
727 struct bt_field_integer *int_field = (void *) field;
728
729 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
730 BT_ASSERT_PRE_DEV_FIELD_IS_UNSIGNED_INT(field, "Field");
731 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
732 BT_ASSERT_PRE_DEV(bt_util_value_is_in_range_unsigned(
733 ((struct bt_field_class_integer *) field->class)->range, value),
734 "Value is out of bounds: value=%" PRIu64 ", %![field-]+f, "
735 "%![fc-]+F", value, field, field->class);
736 int_field->value.u = value;
737 bt_field_set_single(field, true);
738 }
739
740 float bt_field_real_single_precision_get_value(const struct bt_field *field)
741 {
742 const struct bt_field_real *real_field = (const void *) field;
743
744 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
745 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
746 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
747 BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL, "Field");
748 return (float) real_field->value;
749 }
750
751 double bt_field_real_double_precision_get_value(const struct bt_field *field)
752 {
753 const struct bt_field_real *real_field = (const void *) field;
754
755 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
756 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
757 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
758 BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL, "Field");
759
760 return real_field->value;
761 }
762
763 void bt_field_real_single_precision_set_value(struct bt_field *field,
764 float value)
765 {
766 struct bt_field_real *real_field = (void *) field;
767
768 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
769 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
770 BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL, "Field");
771 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
772
773 real_field->value = (double) value;
774 bt_field_set_single(field, true);
775 }
776
777 void bt_field_real_double_precision_set_value(struct bt_field *field,
778 double value)
779 {
780 struct bt_field_real *real_field = (void *) field;
781
782 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
783 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
784 BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL, "Field");
785 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
786
787 real_field->value = value;
788 bt_field_set_single(field, true);
789 }
790
791 enum bt_field_enumeration_get_mapping_labels_status
792 bt_field_enumeration_unsigned_get_mapping_labels(
793 const struct bt_field *field,
794 bt_field_class_enumeration_mapping_label_array *label_array,
795 uint64_t *count)
796 {
797 const struct bt_field_integer *int_field = (const void *) field;
798
799 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
800 BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Label array (output)");
801 BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Count (output)");
802 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
803 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
804 BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION, "Field");
805 return (int)
806 bt_field_class_enumeration_unsigned_get_mapping_labels_for_value(
807 field->class, int_field->value.u, label_array, count);
808 }
809
810 enum bt_field_enumeration_get_mapping_labels_status
811 bt_field_enumeration_signed_get_mapping_labels(
812 const struct bt_field *field,
813 bt_field_class_enumeration_mapping_label_array *label_array,
814 uint64_t *count)
815 {
816 const struct bt_field_integer *int_field = (const void *) field;
817
818 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
819 BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Label array (output)");
820 BT_ASSERT_PRE_DEV_NON_NULL(label_array, "Count (output)");
821 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
822 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
823 BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION, "Field");
824 return (int)
825 bt_field_class_enumeration_signed_get_mapping_labels_for_value(
826 field->class, int_field->value.i, label_array, count);
827 }
828
829 const char *bt_field_string_get_value(const struct bt_field *field)
830 {
831 const struct bt_field_string *string_field = (const void *) field;
832
833 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
834 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
835 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_STRING,
836 "Field");
837 return (const char *) string_field->buf->data;
838 }
839
840 uint64_t bt_field_string_get_length(const struct bt_field *field)
841 {
842 const struct bt_field_string *string_field = (const void *) field;
843
844 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
845 BT_ASSERT_PRE_DEV_FIELD_IS_SET(field, "Field");
846 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_STRING,
847 "Field");
848 return string_field->length;
849 }
850
851 static inline
852 void clear_string_field(struct bt_field *field)
853 {
854 struct bt_field_string *string_field = (void *) field;
855
856 BT_ASSERT(field);
857 string_field->length = 0;
858 bt_field_set_single(field, true);
859 }
860
861 enum bt_field_string_set_value_status bt_field_string_set_value(
862 struct bt_field *field, const char *value)
863 {
864 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
865 BT_ASSERT_PRE_DEV_NON_NULL(value, "Value");
866 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
867 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field, BT_FIELD_CLASS_TYPE_STRING,
868 "Field");
869 clear_string_field(field);
870 return (int) bt_field_string_append_with_length(field, value,
871 (uint64_t) strlen(value));
872 }
873
874 enum bt_field_string_append_status bt_field_string_append(
875 struct bt_field *field, const char *value)
876 {
877 return bt_field_string_append_with_length(field,
878 value, (uint64_t) strlen(value));
879 }
880
881 enum bt_field_string_append_status bt_field_string_append_with_length(
882 struct bt_field *field, const char *value, uint64_t length)
883 {
884 struct bt_field_string *string_field = (void *) field;
885 char *data;
886 uint64_t new_length;
887
888 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
889 BT_ASSERT_PRE_DEV_NON_NULL(value, "Value");
890 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
891 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
892 BT_FIELD_CLASS_TYPE_STRING, "Field");
893
894 /* Make sure no null bytes are appended */
895 BT_ASSERT_PRE_DEV(!memchr(value, '\0', length),
896 "String value to append contains a null character: "
897 "partial-value=\"%.32s\", length=%" PRIu64, value, length);
898
899 new_length = length + string_field->length;
900
901 if (G_UNLIKELY(new_length + 1 > string_field->buf->len)) {
902 g_array_set_size(string_field->buf, new_length + 1);
903 }
904
905 data = string_field->buf->data;
906 memcpy(data + string_field->length, value, length);
907 ((char *) string_field->buf->data)[new_length] = '\0';
908 string_field->length = new_length;
909 bt_field_set_single(field, true);
910 return BT_FUNC_STATUS_OK;
911 }
912
913 void bt_field_string_clear(struct bt_field *field)
914 {
915 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
916 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
917 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
918 BT_FIELD_CLASS_TYPE_STRING, "Field");
919 clear_string_field(field);
920 }
921
922 uint64_t bt_field_array_get_length(const struct bt_field *field)
923 {
924 const struct bt_field_array *array_field = (const void *) field;
925
926 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
927 BT_ASSERT_PRE_DEV_FIELD_IS_ARRAY(field, "Field");
928 return array_field->length;
929 }
930
931 enum bt_field_array_dynamic_set_length_status bt_field_array_dynamic_set_length(
932 struct bt_field *field, uint64_t length)
933 {
934 int ret = BT_FUNC_STATUS_OK;
935 struct bt_field_array *array_field = (void *) field;
936
937 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
938 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
939 BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY, "Field");
940 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
941
942 if (G_UNLIKELY(length > array_field->fields->len)) {
943 /* Make more room */
944 struct bt_field_class_array *array_fc;
945 uint64_t cur_len = array_field->fields->len;
946 uint64_t i;
947
948 g_ptr_array_set_size(array_field->fields, length);
949 array_fc = (void *) field->class;
950
951 for (i = cur_len; i < array_field->fields->len; i++) {
952 struct bt_field *elem_field = bt_field_create(
953 array_fc->element_fc);
954
955 if (!elem_field) {
956 BT_LIB_LOGE_APPEND_CAUSE(
957 "Cannot create element field for "
958 "dynamic array field: "
959 "index=%" PRIu64 ", "
960 "%![array-field-]+f", i, field);
961 ret = BT_FUNC_STATUS_MEMORY_ERROR;
962 goto end;
963 }
964
965 BT_ASSERT(!array_field->fields->pdata[i]);
966 array_field->fields->pdata[i] = elem_field;
967 }
968 }
969
970 array_field->length = length;
971
972 end:
973 return ret;
974 }
975
976 static inline
977 struct bt_field *borrow_array_field_element_field_by_index(
978 struct bt_field *field, uint64_t index)
979 {
980 struct bt_field_array *array_field = (void *) field;
981
982 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
983 BT_ASSERT_PRE_DEV_FIELD_IS_ARRAY(field, "Field");
984 BT_ASSERT_PRE_DEV_VALID_INDEX(index, array_field->length);
985 return array_field->fields->pdata[index];
986 }
987
988 struct bt_field *bt_field_array_borrow_element_field_by_index(
989 struct bt_field *field, uint64_t index)
990 {
991 return borrow_array_field_element_field_by_index(field, index);
992 }
993
994 const struct bt_field *
995 bt_field_array_borrow_element_field_by_index_const(
996 const struct bt_field *field, uint64_t index)
997 {
998 return borrow_array_field_element_field_by_index((void *) field, index);
999 }
1000
1001 static inline
1002 struct bt_field *borrow_structure_field_member_field_by_index(
1003 struct bt_field *field, uint64_t index)
1004 {
1005 struct bt_field_structure *struct_field = (void *) field;
1006
1007 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1008 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
1009 BT_FIELD_CLASS_TYPE_STRUCTURE, "Field");
1010 BT_ASSERT_PRE_DEV_VALID_INDEX(index, struct_field->fields->len);
1011 return struct_field->fields->pdata[index];
1012 }
1013
1014 struct bt_field *bt_field_structure_borrow_member_field_by_index(
1015 struct bt_field *field, uint64_t index)
1016 {
1017 return borrow_structure_field_member_field_by_index(field,
1018 index);
1019 }
1020
1021 const struct bt_field *
1022 bt_field_structure_borrow_member_field_by_index_const(
1023 const struct bt_field *field, uint64_t index)
1024 {
1025 return borrow_structure_field_member_field_by_index(
1026 (void *) field, index);
1027 }
1028
1029 static inline
1030 struct bt_field *borrow_structure_field_member_field_by_name(
1031 struct bt_field *field, const char *name)
1032 {
1033 struct bt_field *ret_field = NULL;
1034 struct bt_field_class_structure *struct_fc;
1035 struct bt_field_structure *struct_field = (void *) field;
1036 gpointer orig_key;
1037 gpointer index;
1038
1039 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1040 BT_ASSERT_PRE_DEV_NON_NULL(name, "Field name");
1041 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
1042 BT_FIELD_CLASS_TYPE_STRUCTURE, "Field");
1043 struct_fc = (void *) field->class;
1044
1045 if (!g_hash_table_lookup_extended(struct_fc->common.name_to_index, name,
1046 &orig_key, &index)) {
1047 goto end;
1048 }
1049
1050 ret_field = struct_field->fields->pdata[GPOINTER_TO_UINT(index)];
1051 BT_ASSERT(ret_field);
1052
1053 end:
1054 return ret_field;
1055 }
1056
1057 struct bt_field *bt_field_structure_borrow_member_field_by_name(
1058 struct bt_field *field, const char *name)
1059 {
1060 return borrow_structure_field_member_field_by_name(field, name);
1061 }
1062
1063 const struct bt_field *bt_field_structure_borrow_member_field_by_name_const(
1064 const struct bt_field *field, const char *name)
1065 {
1066 return borrow_structure_field_member_field_by_name(
1067 (void *) field, name);
1068 }
1069
1070 void bt_field_option_set_has_field(struct bt_field *field, bt_bool has_field)
1071 {
1072 struct bt_field_option *opt_field = (void *) field;
1073
1074 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1075 BT_ASSERT_PRE_DEV_FIELD_IS_OPTION(field, "Field");
1076 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
1077
1078 if (has_field) {
1079 opt_field->selected_field = opt_field->content_field;
1080 } else {
1081 opt_field->selected_field = NULL;
1082 }
1083 }
1084
1085 struct bt_field *bt_field_option_borrow_field(struct bt_field *field)
1086 {
1087 struct bt_field_option *opt_field = (void *) field;
1088
1089 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1090 BT_ASSERT_PRE_DEV_FIELD_IS_OPTION(field, "Field");
1091 return opt_field->selected_field;
1092 }
1093
1094 const struct bt_field *bt_field_option_borrow_field_const(
1095 const struct bt_field *field)
1096 {
1097 return (const void *) bt_field_option_borrow_field((void *) field);
1098 }
1099
1100 static inline
1101 struct bt_field *borrow_variant_field_selected_option_field(
1102 struct bt_field *field)
1103 {
1104 struct bt_field_variant *var_field = (void *) field;
1105
1106 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1107 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT(field, "Field");
1108 BT_ASSERT_PRE_DEV(var_field->selected_field,
1109 "Variant field has no selected field: %!+f", field);
1110 return var_field->selected_field;
1111 }
1112
1113 struct bt_field *bt_field_variant_borrow_selected_option_field(
1114 struct bt_field *field)
1115 {
1116 return borrow_variant_field_selected_option_field(field);
1117 }
1118
1119 const struct bt_field *bt_field_variant_borrow_selected_option_field_const(
1120 const struct bt_field *field)
1121 {
1122 return borrow_variant_field_selected_option_field((void *) field);
1123 }
1124
1125 static
1126 const struct bt_field_class_variant_option *
1127 borrow_variant_field_selected_class_option(const struct bt_field *field)
1128 {
1129 const struct bt_field_class_named_field_class_container *container_fc;
1130 const struct bt_field_variant *var_field = (const void *) field;
1131
1132 BT_ASSERT(field);
1133 BT_ASSERT_PRE_DEV(var_field->selected_field,
1134 "Variant field has no selected field: %!+f", field);
1135 container_fc = (const void *) field->class;
1136 return container_fc->named_fcs->pdata[var_field->selected_index];
1137 }
1138
1139 const struct bt_field_class_variant_option *
1140 bt_field_variant_borrow_selected_class_option_const(
1141 const struct bt_field *field)
1142 {
1143 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1144 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT(field, "Field");
1145 return borrow_variant_field_selected_class_option(field);
1146 }
1147
1148 const struct bt_field_class_variant_with_selector_integer_unsigned_option *
1149 bt_field_variant_with_unsigned_integer_selector_borrow_selected_class_option_const(
1150 const struct bt_field *field)
1151 {
1152 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1153 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
1154 BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR, "Field");
1155 return (const void *) borrow_variant_field_selected_class_option(field);
1156 }
1157
1158 const struct bt_field_class_variant_with_selector_integer_signed_option *
1159 bt_field_variant_with_signed_integer_selector_borrow_selected_class_option_const(
1160 const struct bt_field *field)
1161 {
1162 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1163 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE(field,
1164 BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR, "Field");
1165 return (const void *) borrow_variant_field_selected_class_option(field);
1166 }
1167
1168 enum bt_field_variant_select_option_field_by_index_status
1169 bt_field_variant_select_option_field_by_index(
1170 struct bt_field *field, uint64_t index)
1171 {
1172 struct bt_field_variant *var_field = (void *) field;
1173
1174 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1175 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT(field, "Field");
1176 BT_ASSERT_PRE_DEV_FIELD_HOT(field, "Field");
1177 BT_ASSERT_PRE_DEV_VALID_INDEX(index, var_field->fields->len);
1178 var_field->selected_field = var_field->fields->pdata[index];
1179 var_field->selected_index = index;
1180 return BT_FUNC_STATUS_OK;
1181 }
1182
1183 uint64_t bt_field_variant_get_selected_option_field_index(
1184 const struct bt_field *field)
1185 {
1186 const struct bt_field_variant *var_field = (const void *) field;
1187
1188 BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
1189 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT(field, "Field");
1190 BT_ASSERT_PRE_DEV(var_field->selected_field,
1191 "Variant field has no selected field: %!+f", field);
1192 return var_field->selected_index;
1193 }
1194
1195 static inline
1196 void bt_field_finalize(struct bt_field *field)
1197 {
1198 BT_ASSERT(field);
1199 BT_LOGD_STR("Putting field's class.");
1200 BT_OBJECT_PUT_REF_AND_RESET(field->class);
1201 }
1202
1203 static
1204 void destroy_bool_field(struct bt_field *field)
1205 {
1206 BT_ASSERT(field);
1207 BT_LIB_LOGD("Destroying boolean field object: %!+f", field);
1208 bt_field_finalize(field);
1209 g_free(field);
1210 }
1211
1212 static
1213 void destroy_bit_array_field(struct bt_field *field)
1214 {
1215 BT_ASSERT(field);
1216 BT_LIB_LOGD("Destroying bit array field object: %!+f", field);
1217 bt_field_finalize(field);
1218 g_free(field);
1219 }
1220
1221 static
1222 void destroy_integer_field(struct bt_field *field)
1223 {
1224 BT_ASSERT(field);
1225 BT_LIB_LOGD("Destroying integer field object: %!+f", field);
1226 bt_field_finalize(field);
1227 g_free(field);
1228 }
1229
1230 static
1231 void destroy_real_field(struct bt_field *field)
1232 {
1233 BT_ASSERT(field);
1234 BT_LIB_LOGD("Destroying real field object: %!+f", field);
1235 bt_field_finalize(field);
1236 g_free(field);
1237 }
1238
1239 static
1240 void destroy_structure_field(struct bt_field *field)
1241 {
1242 struct bt_field_structure *struct_field = (void *) field;
1243
1244 BT_ASSERT(field);
1245 BT_LIB_LOGD("Destroying structure field object: %!+f", field);
1246 bt_field_finalize(field);
1247
1248 if (struct_field->fields) {
1249 g_ptr_array_free(struct_field->fields, TRUE);
1250 struct_field->fields = NULL;
1251 }
1252
1253 g_free(field);
1254 }
1255
1256 static
1257 void destroy_option_field(struct bt_field *field)
1258 {
1259 struct bt_field_option *opt_field = (void *) field;
1260
1261 BT_ASSERT(field);
1262 BT_LIB_LOGD("Destroying option field object: %!+f", field);
1263 bt_field_finalize(field);
1264
1265 if (opt_field->content_field) {
1266 bt_field_destroy(opt_field->content_field);
1267 }
1268
1269 g_free(field);
1270 }
1271
1272 static
1273 void destroy_variant_field(struct bt_field *field)
1274 {
1275 struct bt_field_variant *var_field = (void *) field;
1276
1277 BT_ASSERT(field);
1278 BT_LIB_LOGD("Destroying variant field object: %!+f", field);
1279 bt_field_finalize(field);
1280
1281 if (var_field->fields) {
1282 g_ptr_array_free(var_field->fields, TRUE);
1283 var_field->fields = NULL;
1284 }
1285
1286 g_free(field);
1287 }
1288
1289 static
1290 void destroy_array_field(struct bt_field *field)
1291 {
1292 struct bt_field_array *array_field = (void *) field;
1293
1294 BT_ASSERT(field);
1295 BT_LIB_LOGD("Destroying array field object: %!+f", field);
1296 bt_field_finalize(field);
1297
1298 if (array_field->fields) {
1299 g_ptr_array_free(array_field->fields, TRUE);
1300 array_field->fields = NULL;
1301 }
1302
1303 g_free(field);
1304 }
1305
1306 static
1307 void destroy_string_field(struct bt_field *field)
1308 {
1309 struct bt_field_string *string_field = (void *) field;
1310
1311 BT_ASSERT(field);
1312 BT_LIB_LOGD("Destroying string field object: %!+f", field);
1313 bt_field_finalize(field);
1314
1315 if (string_field->buf) {
1316 g_array_free(string_field->buf, TRUE);
1317 string_field->buf = NULL;
1318 }
1319
1320 g_free(field);
1321 }
1322
1323 BT_HIDDEN
1324 void bt_field_destroy(struct bt_field *field)
1325 {
1326 BT_ASSERT(field);
1327 field_destroy_funcs[field->class->type](field);
1328 }
1329
1330 static
1331 void reset_single_field(struct bt_field *field)
1332 {
1333 BT_ASSERT(field);
1334 field->is_set = false;
1335 }
1336
1337 static
1338 void reset_structure_field(struct bt_field *field)
1339 {
1340 uint64_t i;
1341 struct bt_field_structure *struct_field = (void *) field;
1342
1343 BT_ASSERT(field);
1344
1345 for (i = 0; i < struct_field->fields->len; i++) {
1346 bt_field_reset(struct_field->fields->pdata[i]);
1347 }
1348 }
1349
1350 static
1351 void reset_option_field(struct bt_field *field)
1352 {
1353 struct bt_field_option *opt_field = (void *) field;
1354
1355 BT_ASSERT(opt_field);
1356 bt_field_reset(opt_field->content_field);
1357 opt_field->selected_field = NULL;
1358 }
1359
1360 static
1361 void reset_variant_field(struct bt_field *field)
1362 {
1363 uint64_t i;
1364 struct bt_field_variant *var_field = (void *) field;
1365
1366 BT_ASSERT(field);
1367
1368 for (i = 0; i < var_field->fields->len; i++) {
1369 bt_field_reset(var_field->fields->pdata[i]);
1370 }
1371 }
1372
1373 static
1374 void reset_array_field(struct bt_field *field)
1375 {
1376 uint64_t i;
1377 struct bt_field_array *array_field = (void *) field;
1378
1379 BT_ASSERT(field);
1380
1381 for (i = 0; i < array_field->fields->len; i++) {
1382 bt_field_reset(array_field->fields->pdata[i]);
1383 }
1384 }
1385
1386 static
1387 void set_single_field_is_frozen(struct bt_field *field, bool is_frozen)
1388 {
1389 field->frozen = is_frozen;
1390 }
1391
1392 static
1393 void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen)
1394 {
1395 uint64_t i;
1396 struct bt_field_structure *struct_field = (void *) field;
1397
1398 BT_LIB_LOGD("Setting structure field's frozen state: "
1399 "%![field-]+f, is-frozen=%d", field, is_frozen);
1400
1401 for (i = 0; i < struct_field->fields->len; i++) {
1402 struct bt_field *member_field = struct_field->fields->pdata[i];
1403
1404 BT_LIB_LOGD("Setting structure field's member field's "
1405 "frozen state: %![field-]+f, index=%" PRIu64,
1406 member_field, i);
1407 _bt_field_set_is_frozen(member_field, is_frozen);
1408 }
1409
1410 set_single_field_is_frozen(field, is_frozen);
1411 }
1412
1413 static
1414 void set_option_field_is_frozen(struct bt_field *field, bool is_frozen)
1415 {
1416 struct bt_field_option *opt_field = (void *) field;
1417
1418 BT_LIB_LOGD("Setting option field's frozen state: "
1419 "%![field-]+f, is-frozen=%d", field, is_frozen);
1420 _bt_field_set_is_frozen(opt_field->content_field, is_frozen);
1421 set_single_field_is_frozen(field, is_frozen);
1422 }
1423
1424 static
1425 void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen)
1426 {
1427 uint64_t i;
1428 struct bt_field_variant *var_field = (void *) field;
1429
1430 BT_LIB_LOGD("Setting variant field's frozen state: "
1431 "%![field-]+f, is-frozen=%d", field, is_frozen);
1432
1433 for (i = 0; i < var_field->fields->len; i++) {
1434 struct bt_field *option_field = var_field->fields->pdata[i];
1435
1436 BT_LIB_LOGD("Setting variant field's option field's "
1437 "frozen state: %![field-]+f, index=%" PRIu64,
1438 option_field, i);
1439 _bt_field_set_is_frozen(option_field, is_frozen);
1440 }
1441
1442 set_single_field_is_frozen(field, is_frozen);
1443 }
1444
1445 static
1446 void set_array_field_is_frozen(struct bt_field *field, bool is_frozen)
1447 {
1448 uint64_t i;
1449 struct bt_field_array *array_field = (void *) field;
1450
1451 BT_LIB_LOGD("Setting array field's frozen state: "
1452 "%![field-]+f, is-frozen=%d", field, is_frozen);
1453
1454 for (i = 0; i < array_field->fields->len; i++) {
1455 struct bt_field *elem_field = array_field->fields->pdata[i];
1456
1457 BT_LIB_LOGD("Setting array field's element field's "
1458 "frozen state: %![field-]+f, index=%" PRIu64,
1459 elem_field, i);
1460 _bt_field_set_is_frozen(elem_field, is_frozen);
1461 }
1462
1463 set_single_field_is_frozen(field, is_frozen);
1464 }
1465
1466 BT_HIDDEN
1467 void _bt_field_set_is_frozen(const struct bt_field *field,
1468 bool is_frozen)
1469 {
1470 BT_ASSERT(field);
1471 BT_LIB_LOGD("Setting field object's frozen state: %!+f, is-frozen=%d",
1472 field, is_frozen);
1473 BT_ASSERT(field->methods->set_is_frozen);
1474 field->methods->set_is_frozen((void *) field, is_frozen);
1475 }
1476
1477 static
1478 bool single_field_is_set(const struct bt_field *field)
1479 {
1480 BT_ASSERT(field);
1481 return field->is_set;
1482 }
1483
1484 static
1485 bool structure_field_is_set(const struct bt_field *field)
1486 {
1487 bool is_set = true;
1488 uint64_t i;
1489 const struct bt_field_structure *struct_field = (const void *) field;
1490
1491 BT_ASSERT(field);
1492
1493 for (i = 0; i < struct_field->fields->len; i++) {
1494 is_set = bt_field_is_set(struct_field->fields->pdata[i]);
1495 if (!is_set) {
1496 goto end;
1497 }
1498 }
1499
1500 end:
1501 return is_set;
1502 }
1503
1504 static
1505 bool option_field_is_set(const struct bt_field *field)
1506 {
1507 const struct bt_field_option *opt_field = (const void *) field;
1508 bool is_set = false;
1509
1510 BT_ASSERT(field);
1511
1512 if (opt_field->selected_field) {
1513 is_set = bt_field_is_set(opt_field->selected_field);
1514 }
1515
1516 return is_set;
1517 }
1518
1519 static
1520 bool variant_field_is_set(const struct bt_field *field)
1521 {
1522 const struct bt_field_variant *var_field = (const void *) field;
1523 bool is_set = false;
1524
1525 BT_ASSERT(field);
1526
1527 if (var_field->selected_field) {
1528 is_set = bt_field_is_set(var_field->selected_field);
1529 }
1530
1531 return is_set;
1532 }
1533
1534 static
1535 bool array_field_is_set(const struct bt_field *field)
1536 {
1537 bool is_set = true;
1538 uint64_t i;
1539 const struct bt_field_array *array_field = (const void *) field;
1540
1541 BT_ASSERT(field);
1542
1543 for (i = 0; i < array_field->length; i++) {
1544 is_set = bt_field_is_set(array_field->fields->pdata[i]);
1545 if (!is_set) {
1546 goto end;
1547 }
1548 }
1549
1550 end:
1551 return is_set;
1552 }
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