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9d4d1335e96471c22be386026aaa66f53ecb6099
[babeltrace.git] / src / lib / trace-ir / field.c
1 /*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 */
7
8 #define BT_LOG_TAG "LIB/FIELD"
9 #include "lib/logging.h"
10
11 #include "lib/assert-cond.h"
12 #include <babeltrace2/trace-ir/field.h>
13 #include "lib/object.h"
14 #include "compat/compiler.h"
15 #include "compat/fcntl.h"
16 #include "common/align.h"
17 #include "common/assert.h"
18 #include <inttypes.h>
19 #include <stdbool.h>
20
21 #include "field.h"
22 #include "field-class.h"
23 #include "lib/func-status.h"
24
25 #define BT_ASSERT_PRE_DEV_FIELD_HOT(_field) \
26 BT_ASSERT_PRE_DEV_HOT("field", \
27 (const struct bt_field *) (_field), "Field", ": %!+f", (_field))
28
29 static
30 void reset_single_field(struct bt_field *field);
31
32 static
33 void reset_array_field(struct bt_field *field);
34
35 static
36 void reset_structure_field(struct bt_field *field);
37
38 static
39 void reset_option_field(struct bt_field *field);
40
41 static
42 void reset_variant_field(struct bt_field *field);
43
44 static
45 void set_single_field_is_frozen(struct bt_field *field, bool is_frozen);
46
47 static
48 void set_array_field_is_frozen(struct bt_field *field, bool is_frozen);
49
50 static
51 void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen);
52
53 static
54 void set_option_field_is_frozen(struct bt_field *field, bool is_frozen);
55
56 static
57 void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen);
58
59 static
60 bool single_field_is_set(const struct bt_field *field);
61
62 static
63 bool array_field_is_set(const struct bt_field *field);
64
65 static
66 bool structure_field_is_set(const struct bt_field *field);
67
68 static
69 bool option_field_is_set(const struct bt_field *field);
70
71 static
72 bool variant_field_is_set(const struct bt_field *field);
73
74 static
75 struct bt_field_methods bool_field_methods = {
76 .set_is_frozen = set_single_field_is_frozen,
77 .is_set = single_field_is_set,
78 .reset = reset_single_field,
79 };
80
81 static
82 struct bt_field_methods bit_array_field_methods = {
83 .set_is_frozen = set_single_field_is_frozen,
84 .is_set = single_field_is_set,
85 .reset = reset_single_field,
86 };
87
88 static
89 struct bt_field_methods integer_field_methods = {
90 .set_is_frozen = set_single_field_is_frozen,
91 .is_set = single_field_is_set,
92 .reset = reset_single_field,
93 };
94
95 static
96 struct bt_field_methods real_field_methods = {
97 .set_is_frozen = set_single_field_is_frozen,
98 .is_set = single_field_is_set,
99 .reset = reset_single_field,
100 };
101
102 static
103 struct bt_field_methods string_field_methods = {
104 .set_is_frozen = set_single_field_is_frozen,
105 .is_set = single_field_is_set,
106 .reset = reset_single_field,
107 };
108
109 static
110 struct bt_field_methods structure_field_methods = {
111 .set_is_frozen = set_structure_field_is_frozen,
112 .is_set = structure_field_is_set,
113 .reset = reset_structure_field,
114 };
115
116 static
117 struct bt_field_methods array_field_methods = {
118 .set_is_frozen = set_array_field_is_frozen,
119 .is_set = array_field_is_set,
120 .reset = reset_array_field,
121 };
122
123 static
124 struct bt_field_methods option_field_methods = {
125 .set_is_frozen = set_option_field_is_frozen,
126 .is_set = option_field_is_set,
127 .reset = reset_option_field,
128 };
129
130 static
131 struct bt_field_methods variant_field_methods = {
132 .set_is_frozen = set_variant_field_is_frozen,
133 .is_set = variant_field_is_set,
134 .reset = reset_variant_field,
135 };
136
137 static
138 struct bt_field *create_bool_field(struct bt_field_class *);
139
140 static
141 struct bt_field *create_bit_array_field(struct bt_field_class *);
142
143 static
144 struct bt_field *create_integer_field(struct bt_field_class *);
145
146 static
147 struct bt_field *create_real_field(struct bt_field_class *);
148
149 static
150 struct bt_field *create_string_field(struct bt_field_class *);
151
152 static
153 struct bt_field *create_structure_field(struct bt_field_class *);
154
155 static
156 struct bt_field *create_static_array_field(struct bt_field_class *);
157
158 static
159 struct bt_field *create_dynamic_array_field(struct bt_field_class *);
160
161 static
162 struct bt_field *create_option_field(struct bt_field_class *);
163
164 static
165 struct bt_field *create_variant_field(struct bt_field_class *);
166
167 static
168 void destroy_bool_field(struct bt_field *field);
169
170 static
171 void destroy_bit_array_field(struct bt_field *field);
172
173 static
174 void destroy_integer_field(struct bt_field *field);
175
176 static
177 void destroy_real_field(struct bt_field *field);
178
179 static
180 void destroy_string_field(struct bt_field *field);
181
182 static
183 void destroy_structure_field(struct bt_field *field);
184
185 static
186 void destroy_array_field(struct bt_field *field);
187
188 static
189 void destroy_option_field(struct bt_field *field);
190
191 static
192 void destroy_variant_field(struct bt_field *field);
193
194 struct bt_field_class *bt_field_borrow_class(struct bt_field *field)
195 {
196 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
197 return field->class;
198 }
199
200 const struct bt_field_class *bt_field_borrow_class_const(
201 const struct bt_field *field)
202 {
203 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
204 return field->class;
205 }
206
207 enum bt_field_class_type bt_field_get_class_type(const struct bt_field *field)
208 {
209 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
210 return field->class->type;
211 }
212
213 BT_HIDDEN
214 struct bt_field *bt_field_create(struct bt_field_class *fc)
215 {
216 struct bt_field *field = NULL;
217
218 BT_ASSERT(fc);
219
220 switch (fc->type) {
221 case BT_FIELD_CLASS_TYPE_BOOL:
222 field = create_bool_field(fc);
223 break;
224 case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
225 field = create_bit_array_field(fc);
226 break;
227 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
228 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
229 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
230 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
231 field = create_integer_field(fc);
232 break;
233 case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
234 case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
235 field = create_real_field(fc);
236 break;
237 case BT_FIELD_CLASS_TYPE_STRING:
238 field = create_string_field(fc);
239 break;
240 case BT_FIELD_CLASS_TYPE_STRUCTURE:
241 field = create_structure_field(fc);
242 break;
243 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
244 field = create_static_array_field(fc);
245 break;
246 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD:
247 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD:
248 field = create_dynamic_array_field(fc);
249 break;
250 case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD:
251 case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD:
252 case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
253 case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
254 field = create_option_field(fc);
255 break;
256 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD:
257 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
258 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
259 field = create_variant_field(fc);
260 break;
261 default:
262 bt_common_abort();
263 }
264
265 if (!field) {
266 BT_LIB_LOGE_APPEND_CAUSE("Cannot create field object from field class: "
267 "%![fc-]+F", fc);
268 goto end;
269 }
270
271 end:
272 return field;
273 }
274
275 static inline
276 void init_field(struct bt_field *field, struct bt_field_class *fc,
277 struct bt_field_methods *methods)
278 {
279 BT_ASSERT(field);
280 BT_ASSERT(fc);
281 bt_object_init_unique(&field->base);
282 field->methods = methods;
283 field->class = fc;
284 bt_object_get_ref_no_null_check(fc);
285 }
286
287 static
288 struct bt_field *create_bool_field(struct bt_field_class *fc)
289 {
290 struct bt_field_bool *bool_field;
291
292 BT_LIB_LOGD("Creating boolean field object: %![fc-]+F", fc);
293 bool_field = g_new0(struct bt_field_bool, 1);
294 if (!bool_field) {
295 BT_LIB_LOGE_APPEND_CAUSE(
296 "Failed to allocate one boolean field.");
297 goto end;
298 }
299
300 init_field((void *) bool_field, fc, &bool_field_methods);
301 BT_LIB_LOGD("Created boolean field object: %!+f", bool_field);
302
303 end:
304 return (void *) bool_field;
305 }
306
307 static
308 struct bt_field *create_bit_array_field(struct bt_field_class *fc)
309 {
310 struct bt_field_bit_array *ba_field;
311
312 BT_LIB_LOGD("Creating bit array field object: %![fc-]+F", fc);
313 ba_field = g_new0(struct bt_field_bit_array, 1);
314 if (!ba_field) {
315 BT_LIB_LOGE_APPEND_CAUSE(
316 "Failed to allocate one bit array field.");
317 goto end;
318 }
319
320 init_field((void *) ba_field, fc, &bit_array_field_methods);
321 BT_LIB_LOGD("Created bit array field object: %!+f", ba_field);
322
323 end:
324 return (void *) ba_field;
325 }
326
327 static
328 struct bt_field *create_integer_field(struct bt_field_class *fc)
329 {
330 struct bt_field_integer *int_field;
331
332 BT_LIB_LOGD("Creating integer field object: %![fc-]+F", fc);
333 int_field = g_new0(struct bt_field_integer, 1);
334 if (!int_field) {
335 BT_LIB_LOGE_APPEND_CAUSE(
336 "Failed to allocate one integer field.");
337 goto end;
338 }
339
340 init_field((void *) int_field, fc, &integer_field_methods);
341 BT_LIB_LOGD("Created integer field object: %!+f", int_field);
342
343 end:
344 return (void *) int_field;
345 }
346
347 static
348 struct bt_field *create_real_field(struct bt_field_class *fc)
349 {
350 struct bt_field_real *real_field;
351
352 BT_LIB_LOGD("Creating real field object: %![fc-]+F", fc);
353 real_field = g_new0(struct bt_field_real, 1);
354 if (!real_field) {
355 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one real field.");
356 goto end;
357 }
358
359 init_field((void *) real_field, fc, &real_field_methods);
360 BT_LIB_LOGD("Created real field object: %!+f", real_field);
361
362 end:
363 return (void *) real_field;
364 }
365
366 static
367 struct bt_field *create_string_field(struct bt_field_class *fc)
368 {
369 struct bt_field_string *string_field;
370
371 BT_LIB_LOGD("Creating string field object: %![fc-]+F", fc);
372 string_field = g_new0(struct bt_field_string, 1);
373 if (!string_field) {
374 BT_LIB_LOGE_APPEND_CAUSE(
375 "Failed to allocate one string field.");
376 goto end;
377 }
378
379 init_field((void *) string_field, fc, &string_field_methods);
380 string_field->buf = g_array_sized_new(FALSE, FALSE,
381 sizeof(char), 1);
382 if (!string_field->buf) {
383 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
384 bt_field_destroy((void *) string_field);
385 string_field = NULL;
386 goto end;
387 }
388
389 g_array_index(string_field->buf, char, 0) = '\0';
390 BT_LIB_LOGD("Created string field object: %!+f", string_field);
391
392 end:
393 return (void *) string_field;
394 }
395
396 static inline
397 int create_fields_from_named_field_classes(
398 struct bt_field_class_named_field_class_container *fc,
399 GPtrArray **fields)
400 {
401 int ret = 0;
402 uint64_t i;
403
404 *fields = g_ptr_array_new_with_free_func(
405 (GDestroyNotify) bt_field_destroy);
406 if (!*fields) {
407 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
408 ret = -1;
409 goto end;
410 }
411
412 g_ptr_array_set_size(*fields, fc->named_fcs->len);
413
414 for (i = 0; i < fc->named_fcs->len; i++) {
415 struct bt_field *field;
416 struct bt_named_field_class *named_fc = fc->named_fcs->pdata[i];
417
418 field = bt_field_create(named_fc->fc);
419 if (!field) {
420 BT_LIB_LOGE_APPEND_CAUSE(
421 "Failed to create structure member or variant option field: "
422 "name=\"%s\", %![fc-]+F",
423 named_fc->name->str, named_fc->fc);
424 ret = -1;
425 goto end;
426 }
427
428 g_ptr_array_index(*fields, i) = field;
429 }
430
431 end:
432 return ret;
433 }
434
435 static
436 struct bt_field *create_structure_field(struct bt_field_class *fc)
437 {
438 struct bt_field_structure *struct_field;
439
440 BT_LIB_LOGD("Creating structure field object: %![fc-]+F", fc);
441 struct_field = g_new0(struct bt_field_structure, 1);
442 if (!struct_field) {
443 BT_LIB_LOGE_APPEND_CAUSE(
444 "Failed to allocate one structure field.");
445 goto end;
446 }
447
448 init_field((void *) struct_field, fc, &structure_field_methods);
449
450 if (create_fields_from_named_field_classes((void *) fc,
451 &struct_field->fields)) {
452 BT_LIB_LOGE_APPEND_CAUSE(
453 "Cannot create structure member fields: %![fc-]+F", fc);
454 bt_field_destroy((void *) struct_field);
455 struct_field = NULL;
456 goto end;
457 }
458
459 BT_LIB_LOGD("Created structure field object: %!+f", struct_field);
460
461 end:
462 return (void *) struct_field;
463 }
464
465 static
466 struct bt_field *create_option_field(struct bt_field_class *fc)
467 {
468 struct bt_field_option *opt_field;
469 struct bt_field_class_option *opt_fc = (void *) fc;
470
471 BT_LIB_LOGD("Creating option field object: %![fc-]+F", fc);
472 opt_field = g_new0(struct bt_field_option, 1);
473 if (!opt_field) {
474 BT_LIB_LOGE_APPEND_CAUSE(
475 "Failed to allocate one option field.");
476 goto end;
477 }
478
479 init_field((void *) opt_field, fc, &option_field_methods);
480 opt_field->content_field = bt_field_create(opt_fc->content_fc);
481 if (!opt_field->content_field) {
482 BT_LIB_LOGE_APPEND_CAUSE(
483 "Failed to create option field's content field: "
484 "%![opt-fc-]+F, %![content-fc-]+F",
485 opt_fc, opt_fc->content_fc);
486 bt_field_destroy((void *) opt_field);
487 opt_field = NULL;
488 goto end;
489 }
490
491 BT_LIB_LOGD("Created option field object: %!+f", opt_field);
492
493 end:
494 return (void *) opt_field;
495 }
496
497 static
498 struct bt_field *create_variant_field(struct bt_field_class *fc)
499 {
500 struct bt_field_variant *var_field;
501
502 BT_LIB_LOGD("Creating variant field object: %![fc-]+F", fc);
503 var_field = g_new0(struct bt_field_variant, 1);
504 if (!var_field) {
505 BT_LIB_LOGE_APPEND_CAUSE(
506 "Failed to allocate one variant field.");
507 goto end;
508 }
509
510 init_field((void *) var_field, fc, &variant_field_methods);
511
512 if (create_fields_from_named_field_classes((void *) fc,
513 &var_field->fields)) {
514 BT_LIB_LOGE_APPEND_CAUSE("Cannot create variant member fields: "
515 "%![fc-]+F", fc);
516 bt_field_destroy((void *) var_field);
517 var_field = NULL;
518 goto end;
519 }
520
521 BT_LIB_LOGD("Created variant field object: %!+f", var_field);
522
523 end:
524 return (void *) var_field;
525 }
526
527 static inline
528 int init_array_field_fields(struct bt_field_array *array_field)
529 {
530 int ret = 0;
531 uint64_t i;
532 struct bt_field_class_array *array_fc;
533
534 BT_ASSERT(array_field);
535 array_fc = (void *) array_field->common.class;
536 array_field->fields = g_ptr_array_sized_new(array_field->length);
537 if (!array_field->fields) {
538 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
539 ret = -1;
540 goto end;
541 }
542
543 g_ptr_array_set_free_func(array_field->fields,
544 (GDestroyNotify) bt_field_destroy);
545 g_ptr_array_set_size(array_field->fields, array_field->length);
546
547 for (i = 0; i < array_field->length; i++) {
548 array_field->fields->pdata[i] = bt_field_create(
549 array_fc->element_fc);
550 if (!array_field->fields->pdata[i]) {
551 BT_LIB_LOGE_APPEND_CAUSE(
552 "Cannot create array field's element field: "
553 "index=%" PRIu64 ", %![fc-]+F", i, array_fc);
554 ret = -1;
555 goto end;
556 }
557 }
558
559 end:
560 return ret;
561 }
562
563 static
564 struct bt_field *create_static_array_field(struct bt_field_class *fc)
565 {
566 struct bt_field_class_array_static *array_fc = (void *) fc;
567 struct bt_field_array *array_field;
568
569 BT_LIB_LOGD("Creating static array field object: %![fc-]+F", fc);
570 array_field = g_new0(struct bt_field_array, 1);
571 if (!array_field) {
572 BT_LIB_LOGE_APPEND_CAUSE(
573 "Failed to allocate one static array field.");
574 goto end;
575 }
576
577 init_field((void *) array_field, fc, &array_field_methods);
578 array_field->length = array_fc->length;
579
580 if (init_array_field_fields(array_field)) {
581 BT_LIB_LOGE_APPEND_CAUSE("Cannot create static array fields: "
582 "%![fc-]+F", fc);
583 bt_field_destroy((void *) array_field);
584 array_field = NULL;
585 goto end;
586 }
587
588 BT_LIB_LOGD("Created static array field object: %!+f", array_field);
589
590 end:
591 return (void *) array_field;
592 }
593
594 static
595 struct bt_field *create_dynamic_array_field(struct bt_field_class *fc)
596 {
597 struct bt_field_array *array_field;
598
599 BT_LIB_LOGD("Creating dynamic array field object: %![fc-]+F", fc);
600 array_field = g_new0(struct bt_field_array, 1);
601 if (!array_field) {
602 BT_LIB_LOGE_APPEND_CAUSE(
603 "Failed to allocate one dynamic array field.");
604 goto end;
605 }
606
607 init_field((void *) array_field, fc, &array_field_methods);
608
609 if (init_array_field_fields(array_field)) {
610 BT_LIB_LOGE_APPEND_CAUSE("Cannot create dynamic array fields: "
611 "%![fc-]+F", fc);
612 bt_field_destroy((void *) array_field);
613 array_field = NULL;
614 goto end;
615 }
616
617 BT_LIB_LOGD("Created dynamic array field object: %!+f", array_field);
618
619 end:
620 return (void *) array_field;
621 }
622
623 bt_bool bt_field_bool_get_value(const struct bt_field *field)
624 {
625 const struct bt_field_bool *bool_field = (const void *) field;
626
627 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
628 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
629 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
630 "boolean-field", BT_FIELD_CLASS_TYPE_BOOL, "Field");
631 return (bt_bool) bool_field->value;
632 }
633
634 void bt_field_bool_set_value(struct bt_field *field, bt_bool value)
635 {
636 struct bt_field_bool *bool_field = (void *) field;
637
638 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
639 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
640 "boolean-field", BT_FIELD_CLASS_TYPE_BOOL, "Field");
641 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
642 bool_field->value = (bool) value;
643 bt_field_set_single(field, true);
644 }
645
646 uint64_t bt_field_bit_array_get_value_as_integer(const struct bt_field *field)
647 {
648 const struct bt_field_bit_array *ba_field = (const void *) field;
649
650 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
651 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
652 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
653 "bit-array-field", BT_FIELD_CLASS_TYPE_BIT_ARRAY, "Field");
654 return ba_field->value_as_int;
655 }
656
657 void bt_field_bit_array_set_value_as_integer(struct bt_field *field,
658 uint64_t value)
659 {
660 struct bt_field_bit_array *ba_field = (void *) field;
661 struct bt_field_class_bit_array *ba_fc;
662
663 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
664 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
665 "bit-array-field", BT_FIELD_CLASS_TYPE_BIT_ARRAY, "Field");
666 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
667 ba_fc = (void *) field->class;
668 ba_field->value_as_int = value;
669
670 if (ba_fc->length < 64) {
671 /* Apply mask */
672 ba_field->value_as_int &= ((UINT64_C(1) << ba_fc->length) - 1);
673 }
674
675 bt_field_set_single(field, true);
676 }
677
678 int64_t bt_field_integer_signed_get_value(const struct bt_field *field)
679 {
680 const struct bt_field_integer *int_field = (const void *) field;
681
682 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
683 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
684 BT_ASSERT_PRE_DEV_FIELD_IS_SIGNED_INT("field", field, "Field");
685 return int_field->value.i;
686 }
687
688 void bt_field_integer_signed_set_value(struct bt_field *field, int64_t value)
689 {
690 struct bt_field_integer *int_field = (void *) field;
691
692 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
693 BT_ASSERT_PRE_DEV_FIELD_IS_SIGNED_INT("field", field, "Field");
694 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
695 BT_ASSERT_PRE_DEV("valid-value-for-field-class-field-value-range",
696 bt_util_value_is_in_range_signed(
697 ((struct bt_field_class_integer *) field->class)->range,
698 value),
699 "Value is out of bounds: value=%" PRId64 ", %![field-]+f, "
700 "%![fc-]+F", value, field, field->class);
701 int_field->value.i = value;
702 bt_field_set_single(field, true);
703 }
704
705 uint64_t bt_field_integer_unsigned_get_value(const struct bt_field *field)
706 {
707 const struct bt_field_integer *int_field = (const void *) field;
708
709 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
710 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
711 BT_ASSERT_PRE_DEV_FIELD_IS_UNSIGNED_INT("field", field, "Field");
712 return int_field->value.u;
713 }
714
715 void bt_field_integer_unsigned_set_value(struct bt_field *field, uint64_t value)
716 {
717 struct bt_field_integer *int_field = (void *) field;
718
719 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
720 BT_ASSERT_PRE_DEV_FIELD_IS_UNSIGNED_INT("field", field, "Field");
721 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
722 BT_ASSERT_PRE_DEV("valid-value-for-field-class-field-value-range",
723 bt_util_value_is_in_range_unsigned(
724 ((struct bt_field_class_integer *) field->class)->range,
725 value),
726 "Value is out of bounds: value=%" PRIu64 ", %![field-]+f, "
727 "%![fc-]+F", value, field, field->class);
728 int_field->value.u = value;
729 bt_field_set_single(field, true);
730 }
731
732 float bt_field_real_single_precision_get_value(const struct bt_field *field)
733 {
734 const struct bt_field_real *real_field = (const void *) field;
735
736 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
737 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
738 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
739 "single-precision-real-field",
740 BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL, "Field");
741 return (float) real_field->value;
742 }
743
744 double bt_field_real_double_precision_get_value(const struct bt_field *field)
745 {
746 const struct bt_field_real *real_field = (const void *) field;
747
748 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
749 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
750 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
751 "double-precision-real-field",
752 BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL, "Field");
753 return real_field->value;
754 }
755
756 void bt_field_real_single_precision_set_value(struct bt_field *field,
757 float value)
758 {
759 struct bt_field_real *real_field = (void *) field;
760
761 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
762 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
763 "single-precision-real-field",
764 BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL, "Field");
765 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
766
767 real_field->value = (double) value;
768 bt_field_set_single(field, true);
769 }
770
771 void bt_field_real_double_precision_set_value(struct bt_field *field,
772 double value)
773 {
774 struct bt_field_real *real_field = (void *) field;
775
776 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
777 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
778 "double-precision-real-field",
779 BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL, "Field");
780 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
781
782 real_field->value = value;
783 bt_field_set_single(field, true);
784 }
785
786 enum bt_field_enumeration_get_mapping_labels_status
787 bt_field_enumeration_unsigned_get_mapping_labels(
788 const struct bt_field *field,
789 bt_field_class_enumeration_mapping_label_array *label_array,
790 uint64_t *count)
791 {
792 const struct bt_field_integer *int_field = (const void *) field;
793
794 BT_ASSERT_PRE_DEV_NO_ERROR();
795 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
796 BT_ASSERT_PRE_DEV_NON_NULL("label-array-output", label_array,
797 "Label array (output)");
798 BT_ASSERT_PRE_DEV_NON_NULL("count-output", count, "Count (output)");
799 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
800 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
801 "unsigned-enumeration-field",
802 BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION, "Field");
803 return (int)
804 bt_field_class_enumeration_unsigned_get_mapping_labels_for_value(
805 field->class, int_field->value.u, label_array, count);
806 }
807
808 enum bt_field_enumeration_get_mapping_labels_status
809 bt_field_enumeration_signed_get_mapping_labels(
810 const struct bt_field *field,
811 bt_field_class_enumeration_mapping_label_array *label_array,
812 uint64_t *count)
813 {
814 const struct bt_field_integer *int_field = (const void *) field;
815
816 BT_ASSERT_PRE_DEV_NO_ERROR();
817 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
818 BT_ASSERT_PRE_DEV_NON_NULL("label-array-output", label_array,
819 "Label array (output)");
820 BT_ASSERT_PRE_DEV_NON_NULL("count-output", count, "Count (output)");
821 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
822 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
823 "signed-enumeration-field",
824 BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION, "Field");
825 return (int)
826 bt_field_class_enumeration_signed_get_mapping_labels_for_value(
827 field->class, int_field->value.i, label_array, count);
828 }
829
830 const char *bt_field_string_get_value(const struct bt_field *field)
831 {
832 const struct bt_field_string *string_field = (const void *) field;
833
834 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
835 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
836 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field, "string-field",
837 BT_FIELD_CLASS_TYPE_STRING, "Field");
838 return (const char *) string_field->buf->data;
839 }
840
841 uint64_t bt_field_string_get_length(const struct bt_field *field)
842 {
843 const struct bt_field_string *string_field = (const void *) field;
844
845 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
846 BT_ASSERT_PRE_DEV_FIELD_IS_SET("field", field);
847 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field, "string-field",
848 BT_FIELD_CLASS_TYPE_STRING, "Field");
849 return string_field->length;
850 }
851
852 static inline
853 void clear_string_field(struct bt_field *field)
854 {
855 struct bt_field_string *string_field = (void *) field;
856
857 BT_ASSERT_DBG(field);
858 string_field->length = 0;
859 g_array_index(string_field->buf, char, 0) = '\0';
860 bt_field_set_single(field, true);
861 }
862
863 enum bt_field_string_set_value_status bt_field_string_set_value(
864 struct bt_field *field, const char *value)
865 {
866 BT_ASSERT_PRE_DEV_NO_ERROR();
867 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
868 BT_ASSERT_PRE_DEV_NON_NULL("value", value, "Value");
869 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
870 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field, "string-field",
871 BT_FIELD_CLASS_TYPE_STRING, "Field");
872 clear_string_field(field);
873 return (int) bt_field_string_append_with_length(field, value,
874 (uint64_t) strlen(value));
875 }
876
877 #define BT_ASSERT_PRE_DEV_FOR_APPEND_TO_STRING_FIELD_WITH_LENGTH(_field, _value, _length) \
878 do { \
879 BT_ASSERT_PRE_DEV_NO_ERROR(); \
880 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(_field); \
881 BT_ASSERT_PRE_DEV_NON_NULL("value", (_value), "Value"); \
882 BT_ASSERT_PRE_DEV_FIELD_HOT(_field); \
883 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", \
884 (_field), "string-field", \
885 BT_FIELD_CLASS_TYPE_STRING, "Field"); \
886 BT_ASSERT_PRE_DEV("value-has-no-null-byte", \
887 !memchr((_value), '\0', (_length)), \
888 "String value to append contains a null character: " \
889 "partial-value=\"%.32s\", length=%" PRIu64, \
890 (_value), (_length)); \
891 } while (0)
892
893 static
894 enum bt_field_string_append_status append_to_string_field_with_length(
895 struct bt_field *field, const char *value, uint64_t length)
896 {
897 struct bt_field_string *string_field = (void *) field;
898 char *data;
899 uint64_t new_length;
900
901 BT_ASSERT_DBG(field);
902 BT_ASSERT_DBG(value);
903 new_length = length + string_field->length;
904
905 if (G_UNLIKELY(new_length + 1 > string_field->buf->len)) {
906 g_array_set_size(string_field->buf, new_length + 1);
907 }
908
909 data = string_field->buf->data;
910 memcpy(data + string_field->length, value, length);
911 ((char *) string_field->buf->data)[new_length] = '\0';
912 string_field->length = new_length;
913 bt_field_set_single(field, true);
914 return BT_FUNC_STATUS_OK;
915 }
916
917 enum bt_field_string_append_status bt_field_string_append_with_length(
918 struct bt_field *field, const char *value, uint64_t length)
919 {
920 BT_ASSERT_PRE_DEV_FOR_APPEND_TO_STRING_FIELD_WITH_LENGTH(field, value,
921 length);
922 return append_to_string_field_with_length(field, value, length);
923 }
924
925 enum bt_field_string_append_status bt_field_string_append(
926 struct bt_field *field, const char *value)
927 {
928 uint64_t length = (uint64_t) strlen(value);
929
930 BT_ASSERT_PRE_DEV_FOR_APPEND_TO_STRING_FIELD_WITH_LENGTH(field, value,
931 length);
932 return append_to_string_field_with_length(field, value, length);
933 }
934
935 void bt_field_string_clear(struct bt_field *field)
936 {
937 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
938 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
939 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field, "string-field",
940 BT_FIELD_CLASS_TYPE_STRING, "Field");
941 clear_string_field(field);
942 }
943
944 uint64_t bt_field_array_get_length(const struct bt_field *field)
945 {
946 const struct bt_field_array *array_field = (const void *) field;
947
948 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
949 BT_ASSERT_PRE_DEV_FIELD_IS_ARRAY("field", field, "Field");
950 return array_field->length;
951 }
952
953 enum bt_field_array_dynamic_set_length_status bt_field_array_dynamic_set_length(
954 struct bt_field *field, uint64_t length)
955 {
956 int ret = BT_FUNC_STATUS_OK;
957 struct bt_field_array *array_field = (void *) field;
958
959 BT_ASSERT_PRE_DEV_NO_ERROR();
960 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
961 BT_ASSERT_PRE_DEV_FIELD_IS_DYNAMIC_ARRAY("field", field, "Field");
962 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
963
964 if (G_UNLIKELY(length > array_field->fields->len)) {
965 /* Make more room */
966 struct bt_field_class_array *array_fc;
967 uint64_t cur_len = array_field->fields->len;
968 uint64_t i;
969
970 g_ptr_array_set_size(array_field->fields, length);
971 array_fc = (void *) field->class;
972
973 for (i = cur_len; i < array_field->fields->len; i++) {
974 struct bt_field *elem_field = bt_field_create(
975 array_fc->element_fc);
976
977 if (!elem_field) {
978 BT_LIB_LOGE_APPEND_CAUSE(
979 "Cannot create element field for "
980 "dynamic array field: "
981 "index=%" PRIu64 ", "
982 "%![array-field-]+f", i, field);
983 ret = BT_FUNC_STATUS_MEMORY_ERROR;
984 goto end;
985 }
986
987 BT_ASSERT_DBG(!array_field->fields->pdata[i]);
988 array_field->fields->pdata[i] = elem_field;
989 }
990 }
991
992 array_field->length = length;
993
994 end:
995 return ret;
996 }
997
998 static inline
999 struct bt_field *borrow_array_field_element_field_by_index(
1000 struct bt_field *field, uint64_t index)
1001 {
1002 struct bt_field_array *array_field = (void *) field;
1003
1004 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1005 BT_ASSERT_PRE_DEV_FIELD_IS_ARRAY("field", field, "Field");
1006 BT_ASSERT_PRE_DEV_VALID_INDEX(index, array_field->length);
1007 return array_field->fields->pdata[index];
1008 }
1009
1010 struct bt_field *bt_field_array_borrow_element_field_by_index(
1011 struct bt_field *field, uint64_t index)
1012 {
1013 return borrow_array_field_element_field_by_index(field, index);
1014 }
1015
1016 const struct bt_field *
1017 bt_field_array_borrow_element_field_by_index_const(
1018 const struct bt_field *field, uint64_t index)
1019 {
1020 return borrow_array_field_element_field_by_index((void *) field, index);
1021 }
1022
1023 static inline
1024 struct bt_field *borrow_structure_field_member_field_by_index(
1025 struct bt_field *field, uint64_t index)
1026 {
1027 struct bt_field_structure *struct_field = (void *) field;
1028
1029 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1030 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
1031 "structure-field", BT_FIELD_CLASS_TYPE_STRUCTURE, "Field");
1032 BT_ASSERT_PRE_DEV_VALID_INDEX(index, struct_field->fields->len);
1033 return struct_field->fields->pdata[index];
1034 }
1035
1036 struct bt_field *bt_field_structure_borrow_member_field_by_index(
1037 struct bt_field *field, uint64_t index)
1038 {
1039 return borrow_structure_field_member_field_by_index(field,
1040 index);
1041 }
1042
1043 const struct bt_field *
1044 bt_field_structure_borrow_member_field_by_index_const(
1045 const struct bt_field *field, uint64_t index)
1046 {
1047 return borrow_structure_field_member_field_by_index(
1048 (void *) field, index);
1049 }
1050
1051 static inline
1052 struct bt_field *borrow_structure_field_member_field_by_name(
1053 struct bt_field *field, const char *name)
1054 {
1055 struct bt_field *ret_field = NULL;
1056 struct bt_field_class_structure *struct_fc;
1057 struct bt_field_structure *struct_field = (void *) field;
1058 gpointer orig_key;
1059 gpointer index;
1060
1061 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1062 BT_ASSERT_PRE_DEV_NON_NULL("member-name", name, "Member name");
1063 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
1064 "structure-field", BT_FIELD_CLASS_TYPE_STRUCTURE, "Field");
1065 struct_fc = (void *) field->class;
1066
1067 if (!g_hash_table_lookup_extended(struct_fc->common.name_to_index, name,
1068 &orig_key, &index)) {
1069 goto end;
1070 }
1071
1072 ret_field = struct_field->fields->pdata[GPOINTER_TO_UINT(index)];
1073 BT_ASSERT_DBG(ret_field);
1074
1075 end:
1076 return ret_field;
1077 }
1078
1079 struct bt_field *bt_field_structure_borrow_member_field_by_name(
1080 struct bt_field *field, const char *name)
1081 {
1082 return borrow_structure_field_member_field_by_name(field, name);
1083 }
1084
1085 const struct bt_field *bt_field_structure_borrow_member_field_by_name_const(
1086 const struct bt_field *field, const char *name)
1087 {
1088 return borrow_structure_field_member_field_by_name(
1089 (void *) field, name);
1090 }
1091
1092 void bt_field_option_set_has_field(struct bt_field *field, bt_bool has_field)
1093 {
1094 struct bt_field_option *opt_field = (void *) field;
1095
1096 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1097 BT_ASSERT_PRE_DEV_FIELD_IS_OPTION("field", field, "Field");
1098 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
1099
1100 if (has_field) {
1101 opt_field->selected_field = opt_field->content_field;
1102 } else {
1103 opt_field->selected_field = NULL;
1104 }
1105 }
1106
1107 struct bt_field *bt_field_option_borrow_field(struct bt_field *field)
1108 {
1109 struct bt_field_option *opt_field = (void *) field;
1110
1111 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1112 BT_ASSERT_PRE_DEV_FIELD_IS_OPTION("field", field, "Field");
1113 return opt_field->selected_field;
1114 }
1115
1116 const struct bt_field *bt_field_option_borrow_field_const(
1117 const struct bt_field *field)
1118 {
1119 return (const void *) bt_field_option_borrow_field((void *) field);
1120 }
1121
1122 #define BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_OPT_FIELD(_field) \
1123 do { \
1124 struct bt_field_variant *_var_field = (void *) field; \
1125 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(_field); \
1126 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT("field", (_field), \
1127 "Field"); \
1128 BT_ASSERT_PRE_DEV("has-selected-field", \
1129 _var_field->selected_field, \
1130 "Variant field has no selected field: %!+f", \
1131 field); \
1132 } while (0)
1133
1134 static inline
1135 struct bt_field *borrow_variant_field_selected_option_field(
1136 struct bt_field *field)
1137 {
1138 struct bt_field_variant *var_field = (void *) field;
1139
1140 BT_ASSERT_DBG(field);
1141 return var_field->selected_field;
1142 }
1143
1144 struct bt_field *bt_field_variant_borrow_selected_option_field(
1145 struct bt_field *field)
1146 {
1147 BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_OPT_FIELD(field);
1148 return borrow_variant_field_selected_option_field(field);
1149 }
1150
1151 const struct bt_field *bt_field_variant_borrow_selected_option_field_const(
1152 const struct bt_field *field)
1153 {
1154 BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_OPT_FIELD(field);
1155 return borrow_variant_field_selected_option_field((void *) field);
1156 }
1157
1158 #define BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_CLASS_OPT(_field) \
1159 do { \
1160 struct bt_field_variant *_var_field = (void *) field; \
1161 BT_ASSERT_PRE_DEV("has-selected-field", \
1162 _var_field->selected_field, \
1163 "Variant field has no selected field: %!+f", \
1164 (_field)); \
1165 } while (0)
1166
1167 static
1168 const struct bt_field_class_variant_option *
1169 borrow_variant_field_selected_class_option(const struct bt_field *field)
1170 {
1171 const struct bt_field_class_named_field_class_container *container_fc;
1172 const struct bt_field_variant *var_field = (const void *) field;
1173
1174 BT_ASSERT_DBG(field);
1175 container_fc = (const void *) field->class;
1176 return container_fc->named_fcs->pdata[var_field->selected_index];
1177 }
1178
1179 const struct bt_field_class_variant_option *
1180 bt_field_variant_borrow_selected_option_class_const(
1181 const struct bt_field *field)
1182 {
1183 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1184 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT("field", field, "Field");
1185 BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_CLASS_OPT(field);
1186 return borrow_variant_field_selected_class_option(field);
1187 }
1188
1189 const struct bt_field_class_variant_with_selector_field_integer_unsigned_option *
1190 bt_field_variant_with_selector_field_integer_unsigned_borrow_selected_option_class_const(
1191 const struct bt_field *field)
1192 {
1193 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1194 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
1195 "variant-field-with-unsigned-selector-field",
1196 BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD,
1197 "Field");
1198 BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_CLASS_OPT(field);
1199 return (const void *) borrow_variant_field_selected_class_option(field);
1200 }
1201
1202 const struct bt_field_class_variant_with_selector_field_integer_signed_option *
1203 bt_field_variant_with_selector_field_integer_signed_borrow_selected_option_class_const(
1204 const struct bt_field *field)
1205 {
1206 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1207 BT_ASSERT_PRE_DEV_FIELD_HAS_CLASS_TYPE("field", field,
1208 "variant-field-with-signed-selector-field",
1209 BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD,
1210 "Field");
1211 BT_ASSERT_PRE_DEV_FOR_BORROW_VAR_FIELD_SEL_CLASS_OPT(field);
1212 return (const void *) borrow_variant_field_selected_class_option(field);
1213 }
1214
1215 enum bt_field_variant_select_option_by_index_status
1216 bt_field_variant_select_option_by_index(
1217 struct bt_field *field, uint64_t index)
1218 {
1219 struct bt_field_variant *var_field = (void *) field;
1220
1221 BT_ASSERT_PRE_DEV_NO_ERROR();
1222 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1223 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT("field", field, "Field");
1224 BT_ASSERT_PRE_DEV_FIELD_HOT(field);
1225 BT_ASSERT_PRE_DEV_VALID_INDEX(index, var_field->fields->len);
1226 var_field->selected_field = var_field->fields->pdata[index];
1227 var_field->selected_index = index;
1228 return BT_FUNC_STATUS_OK;
1229 }
1230
1231 uint64_t bt_field_variant_get_selected_option_index(
1232 const struct bt_field *field)
1233 {
1234 const struct bt_field_variant *var_field = (const void *) field;
1235
1236 BT_ASSERT_PRE_DEV_FIELD_NON_NULL(field);
1237 BT_ASSERT_PRE_DEV_FIELD_IS_VARIANT("field", field, "Field");
1238 BT_ASSERT_PRE_DEV("has-selected-field", var_field->selected_field,
1239 "Variant field has no selected field: %!+f", field);
1240 return var_field->selected_index;
1241 }
1242
1243 static inline
1244 void bt_field_finalize(struct bt_field *field)
1245 {
1246 BT_ASSERT(field);
1247 BT_LOGD_STR("Putting field's class.");
1248 BT_OBJECT_PUT_REF_AND_RESET(field->class);
1249 }
1250
1251 static
1252 void destroy_bool_field(struct bt_field *field)
1253 {
1254 BT_ASSERT(field);
1255 BT_LIB_LOGD("Destroying boolean field object: %!+f", field);
1256 bt_field_finalize(field);
1257 g_free(field);
1258 }
1259
1260 static
1261 void destroy_bit_array_field(struct bt_field *field)
1262 {
1263 BT_ASSERT(field);
1264 BT_LIB_LOGD("Destroying bit array field object: %!+f", field);
1265 bt_field_finalize(field);
1266 g_free(field);
1267 }
1268
1269 static
1270 void destroy_integer_field(struct bt_field *field)
1271 {
1272 BT_ASSERT(field);
1273 BT_LIB_LOGD("Destroying integer field object: %!+f", field);
1274 bt_field_finalize(field);
1275 g_free(field);
1276 }
1277
1278 static
1279 void destroy_real_field(struct bt_field *field)
1280 {
1281 BT_ASSERT(field);
1282 BT_LIB_LOGD("Destroying real field object: %!+f", field);
1283 bt_field_finalize(field);
1284 g_free(field);
1285 }
1286
1287 static
1288 void destroy_structure_field(struct bt_field *field)
1289 {
1290 struct bt_field_structure *struct_field = (void *) field;
1291
1292 BT_ASSERT(field);
1293 BT_LIB_LOGD("Destroying structure field object: %!+f", field);
1294 bt_field_finalize(field);
1295
1296 if (struct_field->fields) {
1297 g_ptr_array_free(struct_field->fields, TRUE);
1298 struct_field->fields = NULL;
1299 }
1300
1301 g_free(field);
1302 }
1303
1304 static
1305 void destroy_option_field(struct bt_field *field)
1306 {
1307 struct bt_field_option *opt_field = (void *) field;
1308
1309 BT_ASSERT(field);
1310 BT_LIB_LOGD("Destroying option field object: %!+f", field);
1311 bt_field_finalize(field);
1312
1313 if (opt_field->content_field) {
1314 bt_field_destroy(opt_field->content_field);
1315 }
1316
1317 g_free(field);
1318 }
1319
1320 static
1321 void destroy_variant_field(struct bt_field *field)
1322 {
1323 struct bt_field_variant *var_field = (void *) field;
1324
1325 BT_ASSERT(field);
1326 BT_LIB_LOGD("Destroying variant field object: %!+f", field);
1327 bt_field_finalize(field);
1328
1329 if (var_field->fields) {
1330 g_ptr_array_free(var_field->fields, TRUE);
1331 var_field->fields = NULL;
1332 }
1333
1334 g_free(field);
1335 }
1336
1337 static
1338 void destroy_array_field(struct bt_field *field)
1339 {
1340 struct bt_field_array *array_field = (void *) field;
1341
1342 BT_ASSERT(field);
1343 BT_LIB_LOGD("Destroying array field object: %!+f", field);
1344 bt_field_finalize(field);
1345
1346 if (array_field->fields) {
1347 g_ptr_array_free(array_field->fields, TRUE);
1348 array_field->fields = NULL;
1349 }
1350
1351 g_free(field);
1352 }
1353
1354 static
1355 void destroy_string_field(struct bt_field *field)
1356 {
1357 struct bt_field_string *string_field = (void *) field;
1358
1359 BT_ASSERT(field);
1360 BT_LIB_LOGD("Destroying string field object: %!+f", field);
1361 bt_field_finalize(field);
1362
1363 if (string_field->buf) {
1364 g_array_free(string_field->buf, TRUE);
1365 string_field->buf = NULL;
1366 }
1367
1368 g_free(field);
1369 }
1370
1371 BT_HIDDEN
1372 void bt_field_destroy(struct bt_field *field)
1373 {
1374 BT_ASSERT(field);
1375
1376 switch (field->class->type) {
1377 case BT_FIELD_CLASS_TYPE_BOOL:
1378 destroy_bool_field(field);
1379 break;
1380 case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
1381 destroy_bit_array_field(field);
1382 break;
1383 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
1384 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
1385 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
1386 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
1387 destroy_integer_field(field);
1388 break;
1389 case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
1390 case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
1391 destroy_real_field(field);
1392 break;
1393 case BT_FIELD_CLASS_TYPE_STRING:
1394 destroy_string_field(field);
1395 break;
1396 case BT_FIELD_CLASS_TYPE_STRUCTURE:
1397 destroy_structure_field(field);
1398 break;
1399 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
1400 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD:
1401 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD:
1402 destroy_array_field(field);
1403 break;
1404 case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD:
1405 case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD:
1406 case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
1407 case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
1408 destroy_option_field(field);
1409 break;
1410 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD:
1411 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
1412 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
1413 destroy_variant_field(field);
1414 break;
1415 default:
1416 bt_common_abort();
1417 }
1418 }
1419
1420 static
1421 void reset_single_field(struct bt_field *field)
1422 {
1423 BT_ASSERT_DBG(field);
1424 field->is_set = false;
1425 }
1426
1427 static
1428 void reset_structure_field(struct bt_field *field)
1429 {
1430 uint64_t i;
1431 struct bt_field_structure *struct_field = (void *) field;
1432
1433 BT_ASSERT_DBG(field);
1434
1435 for (i = 0; i < struct_field->fields->len; i++) {
1436 bt_field_reset(struct_field->fields->pdata[i]);
1437 }
1438 }
1439
1440 static
1441 void reset_option_field(struct bt_field *field)
1442 {
1443 struct bt_field_option *opt_field = (void *) field;
1444
1445 BT_ASSERT_DBG(opt_field);
1446 bt_field_reset(opt_field->content_field);
1447 opt_field->selected_field = NULL;
1448 }
1449
1450 static
1451 void reset_variant_field(struct bt_field *field)
1452 {
1453 uint64_t i;
1454 struct bt_field_variant *var_field = (void *) field;
1455
1456 BT_ASSERT_DBG(field);
1457
1458 for (i = 0; i < var_field->fields->len; i++) {
1459 bt_field_reset(var_field->fields->pdata[i]);
1460 }
1461 }
1462
1463 static
1464 void reset_array_field(struct bt_field *field)
1465 {
1466 uint64_t i;
1467 struct bt_field_array *array_field = (void *) field;
1468
1469 BT_ASSERT_DBG(field);
1470
1471 for (i = 0; i < array_field->fields->len; i++) {
1472 bt_field_reset(array_field->fields->pdata[i]);
1473 }
1474 }
1475
1476 static
1477 void set_single_field_is_frozen(struct bt_field *field, bool is_frozen)
1478 {
1479 field->frozen = is_frozen;
1480 }
1481
1482 static
1483 void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen)
1484 {
1485 uint64_t i;
1486 struct bt_field_structure *struct_field = (void *) field;
1487
1488 BT_LIB_LOGD("Setting structure field's frozen state: "
1489 "%![field-]+f, is-frozen=%d", field, is_frozen);
1490
1491 for (i = 0; i < struct_field->fields->len; i++) {
1492 struct bt_field *member_field = struct_field->fields->pdata[i];
1493
1494 BT_LIB_LOGD("Setting structure field's member field's "
1495 "frozen state: %![field-]+f, index=%" PRIu64,
1496 member_field, i);
1497 _bt_field_set_is_frozen(member_field, is_frozen);
1498 }
1499
1500 set_single_field_is_frozen(field, is_frozen);
1501 }
1502
1503 static
1504 void set_option_field_is_frozen(struct bt_field *field, bool is_frozen)
1505 {
1506 struct bt_field_option *opt_field = (void *) field;
1507
1508 BT_LIB_LOGD("Setting option field's frozen state: "
1509 "%![field-]+f, is-frozen=%d", field, is_frozen);
1510 _bt_field_set_is_frozen(opt_field->content_field, is_frozen);
1511 set_single_field_is_frozen(field, is_frozen);
1512 }
1513
1514 static
1515 void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen)
1516 {
1517 uint64_t i;
1518 struct bt_field_variant *var_field = (void *) field;
1519
1520 BT_LIB_LOGD("Setting variant field's frozen state: "
1521 "%![field-]+f, is-frozen=%d", field, is_frozen);
1522
1523 for (i = 0; i < var_field->fields->len; i++) {
1524 struct bt_field *option_field = var_field->fields->pdata[i];
1525
1526 BT_LIB_LOGD("Setting variant field's option field's "
1527 "frozen state: %![field-]+f, index=%" PRIu64,
1528 option_field, i);
1529 _bt_field_set_is_frozen(option_field, is_frozen);
1530 }
1531
1532 set_single_field_is_frozen(field, is_frozen);
1533 }
1534
1535 static
1536 void set_array_field_is_frozen(struct bt_field *field, bool is_frozen)
1537 {
1538 uint64_t i;
1539 struct bt_field_array *array_field = (void *) field;
1540
1541 BT_LIB_LOGD("Setting array field's frozen state: "
1542 "%![field-]+f, is-frozen=%d", field, is_frozen);
1543
1544 for (i = 0; i < array_field->fields->len; i++) {
1545 struct bt_field *elem_field = array_field->fields->pdata[i];
1546
1547 BT_LIB_LOGD("Setting array field's element field's "
1548 "frozen state: %![field-]+f, index=%" PRIu64,
1549 elem_field, i);
1550 _bt_field_set_is_frozen(elem_field, is_frozen);
1551 }
1552
1553 set_single_field_is_frozen(field, is_frozen);
1554 }
1555
1556 BT_HIDDEN
1557 void _bt_field_set_is_frozen(const struct bt_field *field,
1558 bool is_frozen)
1559 {
1560 BT_ASSERT_DBG(field);
1561 BT_LIB_LOGD("Setting field object's frozen state: %!+f, is-frozen=%d",
1562 field, is_frozen);
1563 BT_ASSERT_DBG(field->methods->set_is_frozen);
1564 field->methods->set_is_frozen((void *) field, is_frozen);
1565 }
1566
1567 static
1568 bool single_field_is_set(const struct bt_field *field)
1569 {
1570 BT_ASSERT_DBG(field);
1571 return field->is_set;
1572 }
1573
1574 static
1575 bool structure_field_is_set(const struct bt_field *field)
1576 {
1577 bool is_set = true;
1578 uint64_t i;
1579 const struct bt_field_structure *struct_field = (const void *) field;
1580
1581 BT_ASSERT_DBG(field);
1582
1583 for (i = 0; i < struct_field->fields->len; i++) {
1584 is_set = bt_field_is_set(struct_field->fields->pdata[i]);
1585 if (!is_set) {
1586 goto end;
1587 }
1588 }
1589
1590 end:
1591 return is_set;
1592 }
1593
1594 static
1595 bool option_field_is_set(const struct bt_field *field)
1596 {
1597 const struct bt_field_option *opt_field = (const void *) field;
1598 bool is_set = false;
1599
1600 BT_ASSERT_DBG(field);
1601
1602 if (opt_field->selected_field) {
1603 is_set = bt_field_is_set(opt_field->selected_field);
1604 }
1605
1606 return is_set;
1607 }
1608
1609 static
1610 bool variant_field_is_set(const struct bt_field *field)
1611 {
1612 const struct bt_field_variant *var_field = (const void *) field;
1613 bool is_set = false;
1614
1615 BT_ASSERT_DBG(field);
1616
1617 if (var_field->selected_field) {
1618 is_set = bt_field_is_set(var_field->selected_field);
1619 }
1620
1621 return is_set;
1622 }
1623
1624 static
1625 bool array_field_is_set(const struct bt_field *field)
1626 {
1627 bool is_set = true;
1628 uint64_t i;
1629 const struct bt_field_array *array_field = (const void *) field;
1630
1631 BT_ASSERT_DBG(field);
1632
1633 for (i = 0; i < array_field->length; i++) {
1634 is_set = bt_field_is_set(array_field->fields->pdata[i]);
1635 if (!is_set) {
1636 goto end;
1637 }
1638 }
1639
1640 end:
1641 return is_set;
1642 }
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