4 * Babeltrace CTF IR - Event Fields
6 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include <babeltrace/ctf-writer/event-fields.h>
30 #include <babeltrace/ctf-ir/event-fields-internal.h>
31 #include <babeltrace/ctf-ir/event-types-internal.h>
32 #include <babeltrace/compiler.h>
34 #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT)
37 struct bt_ctf_field
*bt_ctf_field_integer_create(struct bt_ctf_field_type
*);
39 struct bt_ctf_field
*bt_ctf_field_enumeration_create(
40 struct bt_ctf_field_type
*);
42 struct bt_ctf_field
*bt_ctf_field_floating_point_create(
43 struct bt_ctf_field_type
*);
45 struct bt_ctf_field
*bt_ctf_field_structure_create(
46 struct bt_ctf_field_type
*);
48 struct bt_ctf_field
*bt_ctf_field_variant_create(
49 struct bt_ctf_field_type
*);
51 struct bt_ctf_field
*bt_ctf_field_array_create(
52 struct bt_ctf_field_type
*);
54 struct bt_ctf_field
*bt_ctf_field_sequence_create(
55 struct bt_ctf_field_type
*);
57 struct bt_ctf_field
*bt_ctf_field_string_create(struct bt_ctf_field_type
*);
60 void bt_ctf_field_destroy(struct bt_ctf_ref
*);
62 void bt_ctf_field_integer_destroy(struct bt_ctf_field
*);
64 void bt_ctf_field_enumeration_destroy(struct bt_ctf_field
*);
66 void bt_ctf_field_floating_point_destroy(struct bt_ctf_field
*);
68 void bt_ctf_field_structure_destroy(struct bt_ctf_field
*);
70 void bt_ctf_field_variant_destroy(struct bt_ctf_field
*);
72 void bt_ctf_field_array_destroy(struct bt_ctf_field
*);
74 void bt_ctf_field_sequence_destroy(struct bt_ctf_field
*);
76 void bt_ctf_field_string_destroy(struct bt_ctf_field
*);
79 int bt_ctf_field_generic_validate(struct bt_ctf_field
*);
81 int bt_ctf_field_structure_validate(struct bt_ctf_field
*);
83 int bt_ctf_field_variant_validate(struct bt_ctf_field
*);
85 int bt_ctf_field_enumeration_validate(struct bt_ctf_field
*);
87 int bt_ctf_field_array_validate(struct bt_ctf_field
*);
89 int bt_ctf_field_sequence_validate(struct bt_ctf_field
*);
92 int bt_ctf_field_generic_reset(struct bt_ctf_field
*);
94 int bt_ctf_field_structure_reset(struct bt_ctf_field
*);
96 int bt_ctf_field_variant_reset(struct bt_ctf_field
*);
98 int bt_ctf_field_enumeration_reset(struct bt_ctf_field
*);
100 int bt_ctf_field_array_reset(struct bt_ctf_field
*);
102 int bt_ctf_field_sequence_reset(struct bt_ctf_field
*);
104 int bt_ctf_field_string_reset(struct bt_ctf_field
*);
107 int bt_ctf_field_integer_serialize(struct bt_ctf_field
*,
108 struct ctf_stream_pos
*);
110 int bt_ctf_field_enumeration_serialize(struct bt_ctf_field
*,
111 struct ctf_stream_pos
*);
113 int bt_ctf_field_floating_point_serialize(struct bt_ctf_field
*,
114 struct ctf_stream_pos
*);
116 int bt_ctf_field_structure_serialize(struct bt_ctf_field
*,
117 struct ctf_stream_pos
*);
119 int bt_ctf_field_variant_serialize(struct bt_ctf_field
*,
120 struct ctf_stream_pos
*);
122 int bt_ctf_field_array_serialize(struct bt_ctf_field
*,
123 struct ctf_stream_pos
*);
125 int bt_ctf_field_sequence_serialize(struct bt_ctf_field
*,
126 struct ctf_stream_pos
*);
128 int bt_ctf_field_string_serialize(struct bt_ctf_field
*,
129 struct ctf_stream_pos
*);
132 int bt_ctf_field_integer_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
134 int bt_ctf_field_enumeration_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
136 int bt_ctf_field_floating_point_copy(struct bt_ctf_field
*,
137 struct bt_ctf_field
*);
139 int bt_ctf_field_structure_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
141 int bt_ctf_field_variant_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
143 int bt_ctf_field_array_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
145 int bt_ctf_field_sequence_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
147 int bt_ctf_field_string_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
150 int increase_packet_size(struct ctf_stream_pos
*pos
);
153 struct bt_ctf_field
*(* const field_create_funcs
[])(
154 struct bt_ctf_field_type
*) = {
155 [CTF_TYPE_INTEGER
] = bt_ctf_field_integer_create
,
156 [CTF_TYPE_ENUM
] = bt_ctf_field_enumeration_create
,
158 bt_ctf_field_floating_point_create
,
159 [CTF_TYPE_STRUCT
] = bt_ctf_field_structure_create
,
160 [CTF_TYPE_VARIANT
] = bt_ctf_field_variant_create
,
161 [CTF_TYPE_ARRAY
] = bt_ctf_field_array_create
,
162 [CTF_TYPE_SEQUENCE
] = bt_ctf_field_sequence_create
,
163 [CTF_TYPE_STRING
] = bt_ctf_field_string_create
,
167 void (* const field_destroy_funcs
[])(struct bt_ctf_field
*) = {
168 [CTF_TYPE_INTEGER
] = bt_ctf_field_integer_destroy
,
169 [CTF_TYPE_ENUM
] = bt_ctf_field_enumeration_destroy
,
171 bt_ctf_field_floating_point_destroy
,
172 [CTF_TYPE_STRUCT
] = bt_ctf_field_structure_destroy
,
173 [CTF_TYPE_VARIANT
] = bt_ctf_field_variant_destroy
,
174 [CTF_TYPE_ARRAY
] = bt_ctf_field_array_destroy
,
175 [CTF_TYPE_SEQUENCE
] = bt_ctf_field_sequence_destroy
,
176 [CTF_TYPE_STRING
] = bt_ctf_field_string_destroy
,
180 int (* const field_validate_funcs
[])(struct bt_ctf_field
*) = {
181 [CTF_TYPE_INTEGER
] = bt_ctf_field_generic_validate
,
182 [CTF_TYPE_ENUM
] = bt_ctf_field_enumeration_validate
,
183 [CTF_TYPE_FLOAT
] = bt_ctf_field_generic_validate
,
184 [CTF_TYPE_STRUCT
] = bt_ctf_field_structure_validate
,
185 [CTF_TYPE_VARIANT
] = bt_ctf_field_variant_validate
,
186 [CTF_TYPE_ARRAY
] = bt_ctf_field_array_validate
,
187 [CTF_TYPE_SEQUENCE
] = bt_ctf_field_sequence_validate
,
188 [CTF_TYPE_STRING
] = bt_ctf_field_generic_validate
,
192 int (* const field_reset_funcs
[])(struct bt_ctf_field
*) = {
193 [CTF_TYPE_INTEGER
] = bt_ctf_field_generic_reset
,
194 [CTF_TYPE_ENUM
] = bt_ctf_field_enumeration_reset
,
195 [CTF_TYPE_FLOAT
] = bt_ctf_field_generic_reset
,
196 [CTF_TYPE_STRUCT
] = bt_ctf_field_structure_reset
,
197 [CTF_TYPE_VARIANT
] = bt_ctf_field_variant_reset
,
198 [CTF_TYPE_ARRAY
] = bt_ctf_field_array_reset
,
199 [CTF_TYPE_SEQUENCE
] = bt_ctf_field_sequence_reset
,
200 [CTF_TYPE_STRING
] = bt_ctf_field_string_reset
,
204 int (* const field_serialize_funcs
[])(struct bt_ctf_field
*,
205 struct ctf_stream_pos
*) = {
206 [CTF_TYPE_INTEGER
] = bt_ctf_field_integer_serialize
,
207 [CTF_TYPE_ENUM
] = bt_ctf_field_enumeration_serialize
,
209 bt_ctf_field_floating_point_serialize
,
210 [CTF_TYPE_STRUCT
] = bt_ctf_field_structure_serialize
,
211 [CTF_TYPE_VARIANT
] = bt_ctf_field_variant_serialize
,
212 [CTF_TYPE_ARRAY
] = bt_ctf_field_array_serialize
,
213 [CTF_TYPE_SEQUENCE
] = bt_ctf_field_sequence_serialize
,
214 [CTF_TYPE_STRING
] = bt_ctf_field_string_serialize
,
218 int (* const field_copy_funcs
[])(struct bt_ctf_field
*,
219 struct bt_ctf_field
*) = {
220 [CTF_TYPE_INTEGER
] = bt_ctf_field_integer_copy
,
221 [CTF_TYPE_ENUM
] = bt_ctf_field_enumeration_copy
,
222 [CTF_TYPE_FLOAT
] = bt_ctf_field_floating_point_copy
,
223 [CTF_TYPE_STRUCT
] = bt_ctf_field_structure_copy
,
224 [CTF_TYPE_VARIANT
] = bt_ctf_field_variant_copy
,
225 [CTF_TYPE_ARRAY
] = bt_ctf_field_array_copy
,
226 [CTF_TYPE_SEQUENCE
] = bt_ctf_field_sequence_copy
,
227 [CTF_TYPE_STRING
] = bt_ctf_field_string_copy
,
230 struct bt_ctf_field
*bt_ctf_field_create(struct bt_ctf_field_type
*type
)
232 struct bt_ctf_field
*field
= NULL
;
233 enum ctf_type_id type_id
;
239 type_id
= bt_ctf_field_type_get_type_id(type
);
240 if (type_id
<= CTF_TYPE_UNKNOWN
|| type_id
>= NR_CTF_TYPES
||
241 bt_ctf_field_type_validate(type
)) {
245 field
= field_create_funcs
[type_id
](type
);
250 /* The type's declaration can't change after this point */
251 bt_ctf_field_type_freeze(type
);
252 bt_ctf_field_type_get(type
);
253 bt_ctf_ref_init(&field
->ref_count
);
259 void bt_ctf_field_get(struct bt_ctf_field
*field
)
262 bt_ctf_ref_get(&field
->ref_count
);
266 void bt_ctf_field_put(struct bt_ctf_field
*field
)
269 bt_ctf_ref_put(&field
->ref_count
, bt_ctf_field_destroy
);
273 struct bt_ctf_field_type
*bt_ctf_field_get_type(struct bt_ctf_field
*field
)
275 struct bt_ctf_field_type
*ret
= NULL
;
282 bt_ctf_field_type_get(ret
);
287 struct bt_ctf_field
*bt_ctf_field_sequence_get_length(
288 struct bt_ctf_field
*field
)
290 struct bt_ctf_field
*ret
= NULL
;
291 struct bt_ctf_field_sequence
*sequence
;
297 if (bt_ctf_field_type_get_type_id(field
->type
) !=
302 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
303 ret
= sequence
->length
;
304 bt_ctf_field_get(ret
);
309 int bt_ctf_field_sequence_set_length(struct bt_ctf_field
*field
,
310 struct bt_ctf_field
*length_field
)
313 struct bt_ctf_field_type_integer
*length_type
;
314 struct bt_ctf_field_integer
*length
;
315 struct bt_ctf_field_sequence
*sequence
;
316 uint64_t sequence_length
;
318 if (!field
|| !length_field
) {
322 if (bt_ctf_field_type_get_type_id(length_field
->type
) !=
328 length_type
= container_of(length_field
->type
,
329 struct bt_ctf_field_type_integer
, parent
);
330 /* The length field must be unsigned */
331 if (length_type
->declaration
.signedness
) {
336 length
= container_of(length_field
, struct bt_ctf_field_integer
,
338 sequence_length
= length
->definition
.value
._unsigned
;
339 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
340 if (sequence
->elements
) {
341 g_ptr_array_free(sequence
->elements
, TRUE
);
342 bt_ctf_field_put(sequence
->length
);
345 sequence
->elements
= g_ptr_array_sized_new((size_t)sequence_length
);
346 if (!sequence
->elements
) {
351 g_ptr_array_set_free_func(sequence
->elements
,
352 (GDestroyNotify
)bt_ctf_field_put
);
353 g_ptr_array_set_size(sequence
->elements
, (size_t)sequence_length
);
354 bt_ctf_field_get(length_field
);
355 sequence
->length
= length_field
;
360 struct bt_ctf_field
*bt_ctf_field_structure_get_field(
361 struct bt_ctf_field
*field
, const char *name
)
363 struct bt_ctf_field
*new_field
= NULL
;
365 struct bt_ctf_field_structure
*structure
;
366 struct bt_ctf_field_type
*field_type
= NULL
;
369 if (!field
|| !name
||
370 bt_ctf_field_type_get_type_id(field
->type
) !=
375 field_quark
= g_quark_from_string(name
);
376 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
378 bt_ctf_field_type_structure_get_field_type_by_name(field
->type
,
380 if (!g_hash_table_lookup_extended(structure
->field_name_to_index
,
381 GUINT_TO_POINTER(field_quark
), NULL
, (gpointer
*)&index
)) {
385 if (structure
->fields
->pdata
[index
]) {
386 new_field
= structure
->fields
->pdata
[index
];
390 new_field
= bt_ctf_field_create(field_type
);
395 structure
->fields
->pdata
[index
] = new_field
;
397 bt_ctf_field_get(new_field
);
400 bt_ctf_field_type_put(field_type
);
405 struct bt_ctf_field
*bt_ctf_field_structure_get_field_by_index(
406 struct bt_ctf_field
*field
, int index
)
409 const char *field_name
;
410 struct bt_ctf_field_structure
*structure
;
411 struct bt_ctf_field_type
*structure_type
;
412 struct bt_ctf_field_type
*field_type
= NULL
;
413 struct bt_ctf_field
*ret_field
= NULL
;
416 bt_ctf_field_type_get_type_id(field
->type
) != CTF_TYPE_STRUCT
) {
420 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
421 if (index
>= structure
->fields
->len
) {
425 ret_field
= structure
->fields
->pdata
[index
];
430 /* Field has not been instanciated yet, create it */
431 structure_type
= bt_ctf_field_get_type(field
);
432 if (!structure_type
) {
436 ret
= bt_ctf_field_type_structure_get_field(structure_type
,
437 &field_name
, &field_type
, index
);
438 bt_ctf_field_type_put(structure_type
);
443 ret_field
= bt_ctf_field_create(field_type
);
448 structure
->fields
->pdata
[index
] = ret_field
;
450 bt_ctf_field_get(ret_field
);
453 bt_ctf_field_type_put(field_type
);
459 int bt_ctf_field_structure_set_field(struct bt_ctf_field
*field
,
460 const char *name
, struct bt_ctf_field
*value
)
464 struct bt_ctf_field_structure
*structure
;
465 struct bt_ctf_field_type
*expected_field_type
= NULL
;
468 if (!field
|| !name
|| !value
||
469 bt_ctf_field_type_get_type_id(field
->type
) !=
475 field_quark
= g_quark_from_string(name
);
476 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
477 expected_field_type
=
478 bt_ctf_field_type_structure_get_field_type_by_name(field
->type
,
480 if (expected_field_type
!= value
->type
) {
485 if (!g_hash_table_lookup_extended(structure
->field_name_to_index
,
486 GUINT_TO_POINTER(field_quark
), NULL
, (gpointer
*) &index
)) {
490 if (structure
->fields
->pdata
[index
]) {
491 bt_ctf_field_put(structure
->fields
->pdata
[index
]);
494 structure
->fields
->pdata
[index
] = value
;
495 bt_ctf_field_get(value
);
497 if (expected_field_type
) {
498 bt_ctf_field_type_put(expected_field_type
);
503 struct bt_ctf_field
*bt_ctf_field_array_get_field(struct bt_ctf_field
*field
,
506 struct bt_ctf_field
*new_field
= NULL
;
507 struct bt_ctf_field_type
*field_type
= NULL
;
508 struct bt_ctf_field_array
*array
;
510 if (!field
|| bt_ctf_field_type_get_type_id(field
->type
) !=
515 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
516 if (index
>= array
->elements
->len
) {
520 field_type
= bt_ctf_field_type_array_get_element_type(field
->type
);
521 if (array
->elements
->pdata
[(size_t)index
]) {
522 new_field
= array
->elements
->pdata
[(size_t)index
];
526 new_field
= bt_ctf_field_create(field_type
);
527 bt_ctf_field_get(new_field
);
528 array
->elements
->pdata
[(size_t)index
] = new_field
;
531 bt_ctf_field_type_put(field_type
);
536 struct bt_ctf_field
*bt_ctf_field_sequence_get_field(struct bt_ctf_field
*field
,
539 struct bt_ctf_field
*new_field
= NULL
;
540 struct bt_ctf_field_type
*field_type
= NULL
;
541 struct bt_ctf_field_sequence
*sequence
;
543 if (!field
|| bt_ctf_field_type_get_type_id(field
->type
) !=
548 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
549 if (!sequence
->elements
|| sequence
->elements
->len
<= index
) {
553 field_type
= bt_ctf_field_type_sequence_get_element_type(field
->type
);
554 if (sequence
->elements
->pdata
[(size_t)index
]) {
555 new_field
= sequence
->elements
->pdata
[(size_t)index
];
559 new_field
= bt_ctf_field_create(field_type
);
560 bt_ctf_field_get(new_field
);
561 sequence
->elements
->pdata
[(size_t)index
] = new_field
;
564 bt_ctf_field_type_put(field_type
);
569 struct bt_ctf_field
*bt_ctf_field_variant_get_field(struct bt_ctf_field
*field
,
570 struct bt_ctf_field
*tag_field
)
572 struct bt_ctf_field
*new_field
= NULL
;
573 struct bt_ctf_field_variant
*variant
;
574 struct bt_ctf_field_type_variant
*variant_type
;
575 struct bt_ctf_field_type
*field_type
;
576 struct bt_ctf_field
*tag_enum
= NULL
;
577 struct bt_ctf_field_integer
*tag_enum_integer
;
578 int64_t tag_enum_value
;
580 if (!field
|| !tag_field
||
581 bt_ctf_field_type_get_type_id(field
->type
) !=
583 bt_ctf_field_type_get_type_id(tag_field
->type
) !=
588 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
589 variant_type
= container_of(field
->type
,
590 struct bt_ctf_field_type_variant
, parent
);
591 tag_enum
= bt_ctf_field_enumeration_get_container(tag_field
);
596 tag_enum_integer
= container_of(tag_enum
, struct bt_ctf_field_integer
,
599 if (bt_ctf_field_validate(tag_field
) < 0) {
603 tag_enum_value
= tag_enum_integer
->definition
.value
._signed
;
604 field_type
= bt_ctf_field_type_variant_get_field_type_signed(
605 variant_type
, tag_enum_value
);
610 new_field
= bt_ctf_field_create(field_type
);
615 bt_ctf_field_put(variant
->tag
);
616 bt_ctf_field_put(variant
->payload
);
617 bt_ctf_field_get(new_field
);
618 bt_ctf_field_get(tag_field
);
619 variant
->tag
= tag_field
;
620 variant
->payload
= new_field
;
622 bt_ctf_field_put(tag_enum
);
626 struct bt_ctf_field
*bt_ctf_field_enumeration_get_container(
627 struct bt_ctf_field
*field
)
629 struct bt_ctf_field
*container
= NULL
;
630 struct bt_ctf_field_enumeration
*enumeration
;
632 if (!field
|| bt_ctf_field_type_get_type_id(field
->type
) !=
637 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
639 if (!enumeration
->payload
) {
640 struct bt_ctf_field_type_enumeration
*enumeration_type
=
641 container_of(field
->type
,
642 struct bt_ctf_field_type_enumeration
, parent
);
643 enumeration
->payload
=
644 bt_ctf_field_create(enumeration_type
->container
);
647 container
= enumeration
->payload
;
648 bt_ctf_field_get(container
);
653 const char *bt_ctf_field_enumeration_get_mapping_name(
654 struct bt_ctf_field
*field
)
657 const char *name
= NULL
;
658 struct bt_ctf_field
*container
= NULL
;
659 struct bt_ctf_field_type
*container_type
= NULL
;
660 struct bt_ctf_field_type_integer
*integer_type
= NULL
;
661 struct bt_ctf_field_type_enumeration
*enumeration_type
= NULL
;
663 container
= bt_ctf_field_enumeration_get_container(field
);
668 container_type
= bt_ctf_field_get_type(container
);
669 if (!container_type
) {
670 goto error_put_container
;
673 integer_type
= container_of(container_type
,
674 struct bt_ctf_field_type_integer
, parent
);
675 enumeration_type
= container_of(field
->type
,
676 struct bt_ctf_field_type_enumeration
, parent
);
678 if (!integer_type
->declaration
.signedness
) {
680 ret
= bt_ctf_field_unsigned_integer_get_value(container
,
683 goto error_put_container_type
;
686 name
= bt_ctf_field_type_enumeration_get_mapping_name_unsigned(
687 enumeration_type
, value
);
690 ret
= bt_ctf_field_signed_integer_get_value(container
,
693 goto error_put_container_type
;
696 name
= bt_ctf_field_type_enumeration_get_mapping_name_signed(
697 enumeration_type
, value
);
700 error_put_container_type
:
701 bt_ctf_field_type_put(container_type
);
703 bt_ctf_field_put(container
);
708 int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field
*field
,
712 struct bt_ctf_field_integer
*integer
;
713 struct bt_ctf_field_type_integer
*integer_type
;
715 if (!field
|| !value
|| !field
->payload_set
||
716 bt_ctf_field_type_get_type_id(field
->type
) !=
722 integer_type
= container_of(field
->type
,
723 struct bt_ctf_field_type_integer
, parent
);
724 if (!integer_type
->declaration
.signedness
) {
729 integer
= container_of(field
,
730 struct bt_ctf_field_integer
, parent
);
731 *value
= integer
->definition
.value
._signed
;
736 int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field
*field
,
740 struct bt_ctf_field_integer
*integer
;
741 struct bt_ctf_field_type_integer
*integer_type
;
743 int64_t min_value
, max_value
;
746 bt_ctf_field_type_get_type_id(field
->type
) !=
752 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
753 integer_type
= container_of(field
->type
,
754 struct bt_ctf_field_type_integer
, parent
);
755 if (!integer_type
->declaration
.signedness
) {
760 size
= integer_type
->declaration
.len
;
761 min_value
= -((int64_t)1 << (size
- 1));
762 max_value
= ((int64_t)1 << (size
- 1)) - 1;
763 if (value
< min_value
|| value
> max_value
) {
768 integer
->definition
.value
._signed
= value
;
769 integer
->parent
.payload_set
= 1;
774 int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field
*field
,
778 struct bt_ctf_field_integer
*integer
;
779 struct bt_ctf_field_type_integer
*integer_type
;
781 if (!field
|| !value
|| !field
->payload_set
||
782 bt_ctf_field_type_get_type_id(field
->type
) !=
788 integer_type
= container_of(field
->type
,
789 struct bt_ctf_field_type_integer
, parent
);
790 if (integer_type
->declaration
.signedness
) {
795 integer
= container_of(field
,
796 struct bt_ctf_field_integer
, parent
);
797 *value
= integer
->definition
.value
._unsigned
;
802 int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field
*field
,
806 struct bt_ctf_field_integer
*integer
;
807 struct bt_ctf_field_type_integer
*integer_type
;
812 bt_ctf_field_type_get_type_id(field
->type
) !=
818 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
819 integer_type
= container_of(field
->type
,
820 struct bt_ctf_field_type_integer
, parent
);
821 if (integer_type
->declaration
.signedness
) {
826 size
= integer_type
->declaration
.len
;
827 max_value
= (size
== 64) ? UINT64_MAX
: ((uint64_t)1 << size
) - 1;
828 if (value
> max_value
) {
833 integer
->definition
.value
._unsigned
= value
;
834 integer
->parent
.payload_set
= 1;
839 int bt_ctf_field_floating_point_get_value(struct bt_ctf_field
*field
,
843 struct bt_ctf_field_floating_point
*floating_point
;
845 if (!field
|| !value
|| !field
->payload_set
||
846 bt_ctf_field_type_get_type_id(field
->type
) !=
852 floating_point
= container_of(field
,
853 struct bt_ctf_field_floating_point
, parent
);
854 *value
= floating_point
->definition
.value
;
859 int bt_ctf_field_floating_point_set_value(struct bt_ctf_field
*field
,
863 struct bt_ctf_field_floating_point
*floating_point
;
866 bt_ctf_field_type_get_type_id(field
->type
) !=
871 floating_point
= container_of(field
, struct bt_ctf_field_floating_point
,
873 floating_point
->definition
.value
= value
;
874 floating_point
->parent
.payload_set
= 1;
879 const char *bt_ctf_field_string_get_value(struct bt_ctf_field
*field
)
881 const char *ret
= NULL
;
882 struct bt_ctf_field_string
*string
;
884 if (!field
|| !field
->payload_set
||
885 bt_ctf_field_type_get_type_id(field
->type
) !=
890 string
= container_of(field
,
891 struct bt_ctf_field_string
, parent
);
892 ret
= string
->payload
->str
;
897 int bt_ctf_field_string_set_value(struct bt_ctf_field
*field
,
901 struct bt_ctf_field_string
*string
;
903 if (!field
|| !value
||
904 bt_ctf_field_type_get_type_id(field
->type
) !=
910 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
911 if (string
->payload
) {
912 g_string_assign(string
->payload
, value
);
914 string
->payload
= g_string_new(value
);
917 string
->parent
.payload_set
= 1;
923 int bt_ctf_field_validate(struct bt_ctf_field
*field
)
926 enum ctf_type_id type_id
;
933 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
934 if (type_id
<= CTF_TYPE_UNKNOWN
|| type_id
>= NR_CTF_TYPES
) {
939 ret
= field_validate_funcs
[type_id
](field
);
945 int bt_ctf_field_reset(struct bt_ctf_field
*field
)
948 enum ctf_type_id type_id
;
955 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
956 if (type_id
<= CTF_TYPE_UNKNOWN
|| type_id
>= NR_CTF_TYPES
) {
961 ret
= field_reset_funcs
[type_id
](field
);
967 int bt_ctf_field_serialize(struct bt_ctf_field
*field
,
968 struct ctf_stream_pos
*pos
)
971 enum ctf_type_id type_id
;
973 if (!field
|| !pos
) {
978 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
979 if (type_id
<= CTF_TYPE_UNKNOWN
|| type_id
>= NR_CTF_TYPES
) {
984 ret
= field_serialize_funcs
[type_id
](field
, pos
);
990 struct bt_ctf_field
*bt_ctf_field_copy(struct bt_ctf_field
*field
)
993 struct bt_ctf_field
*copy
= NULL
;
994 enum ctf_type_id type_id
;
1000 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1001 if (type_id
<= CTF_TYPE_UNKNOWN
|| type_id
>= NR_CTF_TYPES
) {
1005 copy
= bt_ctf_field_create(field
->type
);
1010 ret
= field_copy_funcs
[type_id
](field
, copy
);
1012 bt_ctf_field_put(copy
);
1020 struct bt_ctf_field
*bt_ctf_field_integer_create(struct bt_ctf_field_type
*type
)
1022 struct bt_ctf_field_type_integer
*integer_type
= container_of(type
,
1023 struct bt_ctf_field_type_integer
, parent
);
1024 struct bt_ctf_field_integer
*integer
= g_new0(
1025 struct bt_ctf_field_integer
, 1);
1028 integer
->definition
.declaration
= &integer_type
->declaration
;
1031 return integer
? &integer
->parent
: NULL
;
1035 struct bt_ctf_field
*bt_ctf_field_enumeration_create(
1036 struct bt_ctf_field_type
*type
)
1038 struct bt_ctf_field_enumeration
*enumeration
= g_new0(
1039 struct bt_ctf_field_enumeration
, 1);
1041 return enumeration
? &enumeration
->parent
: NULL
;
1045 struct bt_ctf_field
*bt_ctf_field_floating_point_create(
1046 struct bt_ctf_field_type
*type
)
1048 struct bt_ctf_field_floating_point
*floating_point
;
1049 struct bt_ctf_field_type_floating_point
*floating_point_type
;
1051 floating_point
= g_new0(struct bt_ctf_field_floating_point
, 1);
1052 if (!floating_point
) {
1056 floating_point_type
= container_of(type
,
1057 struct bt_ctf_field_type_floating_point
, parent
);
1058 floating_point
->definition
.declaration
= container_of(
1059 type
->declaration
, struct declaration_float
, p
);
1062 floating_point
->definition
.sign
= &floating_point
->sign
;
1063 floating_point
->sign
.declaration
= &floating_point_type
->sign
;
1064 floating_point
->definition
.sign
->p
.declaration
=
1065 &floating_point_type
->sign
.p
;
1067 floating_point
->definition
.mantissa
= &floating_point
->mantissa
;
1068 floating_point
->mantissa
.declaration
= &floating_point_type
->mantissa
;
1069 floating_point
->definition
.mantissa
->p
.declaration
=
1070 &floating_point_type
->mantissa
.p
;
1072 floating_point
->definition
.exp
= &floating_point
->exp
;
1073 floating_point
->exp
.declaration
= &floating_point_type
->exp
;
1074 floating_point
->definition
.exp
->p
.declaration
=
1075 &floating_point_type
->exp
.p
;
1078 return floating_point
? &floating_point
->parent
: NULL
;
1082 struct bt_ctf_field
*bt_ctf_field_structure_create(
1083 struct bt_ctf_field_type
*type
)
1085 struct bt_ctf_field_type_structure
*structure_type
= container_of(type
,
1086 struct bt_ctf_field_type_structure
, parent
);
1087 struct bt_ctf_field_structure
*structure
= g_new0(
1088 struct bt_ctf_field_structure
, 1);
1089 struct bt_ctf_field
*field
= NULL
;
1091 if (!structure
|| !structure_type
->fields
->len
) {
1095 structure
->field_name_to_index
= structure_type
->field_name_to_index
;
1096 structure
->fields
= g_ptr_array_new_with_free_func(
1097 (GDestroyNotify
)bt_ctf_field_put
);
1098 g_ptr_array_set_size(structure
->fields
,
1099 g_hash_table_size(structure
->field_name_to_index
));
1100 field
= &structure
->parent
;
1106 struct bt_ctf_field
*bt_ctf_field_variant_create(struct bt_ctf_field_type
*type
)
1108 struct bt_ctf_field_variant
*variant
= g_new0(
1109 struct bt_ctf_field_variant
, 1);
1110 return variant
? &variant
->parent
: NULL
;
1114 struct bt_ctf_field
*bt_ctf_field_array_create(struct bt_ctf_field_type
*type
)
1116 struct bt_ctf_field_array
*array
= g_new0(struct bt_ctf_field_array
, 1);
1117 struct bt_ctf_field_type_array
*array_type
;
1118 unsigned int array_length
;
1120 if (!array
|| !type
) {
1124 array_type
= container_of(type
, struct bt_ctf_field_type_array
, parent
);
1125 array_length
= array_type
->length
;
1126 array
->elements
= g_ptr_array_sized_new(array_length
);
1127 if (!array
->elements
) {
1131 g_ptr_array_set_free_func(array
->elements
,
1132 (GDestroyNotify
)bt_ctf_field_put
);
1133 g_ptr_array_set_size(array
->elements
, array_length
);
1134 return &array
->parent
;
1141 struct bt_ctf_field
*bt_ctf_field_sequence_create(
1142 struct bt_ctf_field_type
*type
)
1144 struct bt_ctf_field_sequence
*sequence
= g_new0(
1145 struct bt_ctf_field_sequence
, 1);
1146 return sequence
? &sequence
->parent
: NULL
;
1150 struct bt_ctf_field
*bt_ctf_field_string_create(struct bt_ctf_field_type
*type
)
1152 struct bt_ctf_field_string
*string
= g_new0(
1153 struct bt_ctf_field_string
, 1);
1154 return string
? &string
->parent
: NULL
;
1158 void bt_ctf_field_destroy(struct bt_ctf_ref
*ref
)
1160 struct bt_ctf_field
*field
;
1161 struct bt_ctf_field_type
*type
;
1162 enum ctf_type_id type_id
;
1168 field
= container_of(ref
, struct bt_ctf_field
, ref_count
);
1170 type_id
= bt_ctf_field_type_get_type_id(type
);
1171 if (type_id
<= CTF_TYPE_UNKNOWN
||
1172 type_id
>= NR_CTF_TYPES
) {
1176 field_destroy_funcs
[type_id
](field
);
1178 bt_ctf_field_type_put(type
);
1183 void bt_ctf_field_integer_destroy(struct bt_ctf_field
*field
)
1185 struct bt_ctf_field_integer
*integer
;
1191 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
1196 void bt_ctf_field_enumeration_destroy(struct bt_ctf_field
*field
)
1198 struct bt_ctf_field_enumeration
*enumeration
;
1204 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1206 bt_ctf_field_put(enumeration
->payload
);
1207 g_free(enumeration
);
1211 void bt_ctf_field_floating_point_destroy(struct bt_ctf_field
*field
)
1213 struct bt_ctf_field_floating_point
*floating_point
;
1219 floating_point
= container_of(field
, struct bt_ctf_field_floating_point
,
1221 g_free(floating_point
);
1225 void bt_ctf_field_structure_destroy(struct bt_ctf_field
*field
)
1227 struct bt_ctf_field_structure
*structure
;
1233 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1234 g_ptr_array_free(structure
->fields
, TRUE
);
1239 void bt_ctf_field_variant_destroy(struct bt_ctf_field
*field
)
1241 struct bt_ctf_field_variant
*variant
;
1247 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1248 bt_ctf_field_put(variant
->tag
);
1249 bt_ctf_field_put(variant
->payload
);
1254 void bt_ctf_field_array_destroy(struct bt_ctf_field
*field
)
1256 struct bt_ctf_field_array
*array
;
1262 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1263 g_ptr_array_free(array
->elements
, TRUE
);
1268 void bt_ctf_field_sequence_destroy(struct bt_ctf_field
*field
)
1270 struct bt_ctf_field_sequence
*sequence
;
1276 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1277 g_ptr_array_free(sequence
->elements
, TRUE
);
1278 bt_ctf_field_put(sequence
->length
);
1283 void bt_ctf_field_string_destroy(struct bt_ctf_field
*field
)
1285 struct bt_ctf_field_string
*string
;
1290 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1291 if (string
->payload
) {
1292 g_string_free(string
->payload
, TRUE
);
1298 int bt_ctf_field_generic_validate(struct bt_ctf_field
*field
)
1300 return (field
&& field
->payload_set
) ? 0 : -1;
1304 int bt_ctf_field_enumeration_validate(struct bt_ctf_field
*field
)
1307 struct bt_ctf_field_enumeration
*enumeration
;
1314 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1316 if (!enumeration
->payload
) {
1321 ret
= bt_ctf_field_validate(enumeration
->payload
);
1327 int bt_ctf_field_structure_validate(struct bt_ctf_field
*field
)
1331 struct bt_ctf_field_structure
*structure
;
1338 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1339 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1340 ret
= bt_ctf_field_validate(structure
->fields
->pdata
[i
]);
1350 int bt_ctf_field_variant_validate(struct bt_ctf_field
*field
)
1353 struct bt_ctf_field_variant
*variant
;
1360 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1361 ret
= bt_ctf_field_validate(variant
->payload
);
1367 int bt_ctf_field_array_validate(struct bt_ctf_field
*field
)
1371 struct bt_ctf_field_array
*array
;
1378 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1379 for (i
= 0; i
< array
->elements
->len
; i
++) {
1380 ret
= bt_ctf_field_validate(array
->elements
->pdata
[i
]);
1390 int bt_ctf_field_sequence_validate(struct bt_ctf_field
*field
)
1394 struct bt_ctf_field_sequence
*sequence
;
1401 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1402 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1403 ret
= bt_ctf_field_validate(sequence
->elements
->pdata
[i
]);
1413 int bt_ctf_field_generic_reset(struct bt_ctf_field
*field
)
1422 field
->payload_set
= 0;
1428 int bt_ctf_field_enumeration_reset(struct bt_ctf_field
*field
)
1431 struct bt_ctf_field_enumeration
*enumeration
;
1438 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1440 if (!enumeration
->payload
) {
1444 ret
= bt_ctf_field_reset(enumeration
->payload
);
1450 int bt_ctf_field_structure_reset(struct bt_ctf_field
*field
)
1454 struct bt_ctf_field_structure
*structure
;
1461 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1462 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1463 struct bt_ctf_field
*member
= structure
->fields
->pdata
[i
];
1467 * Structure members are lazily initialized; skip if
1468 * this member has not been allocated yet.
1473 ret
= bt_ctf_field_reset(member
);
1483 int bt_ctf_field_variant_reset(struct bt_ctf_field
*field
)
1486 struct bt_ctf_field_variant
*variant
;
1493 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1494 if (variant
->payload
) {
1495 ret
= bt_ctf_field_reset(variant
->payload
);
1502 int bt_ctf_field_array_reset(struct bt_ctf_field
*field
)
1506 struct bt_ctf_field_array
*array
;
1513 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1514 for (i
= 0; i
< array
->elements
->len
; i
++) {
1515 struct bt_ctf_field
*member
= array
->elements
->pdata
[i
];
1519 * Array elements are lazily initialized; skip if
1520 * this member has not been allocated yet.
1525 ret
= bt_ctf_field_reset(member
);
1535 int bt_ctf_field_sequence_reset(struct bt_ctf_field
*field
)
1539 struct bt_ctf_field_sequence
*sequence
;
1546 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1547 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1548 struct bt_ctf_field
*member
= sequence
->elements
->pdata
[i
];
1552 * Sequence elements are lazily initialized; skip if
1553 * this member has not been allocated yet.
1558 ret
= bt_ctf_field_reset(member
);
1568 int bt_ctf_field_string_reset(struct bt_ctf_field
*field
)
1571 struct bt_ctf_field_string
*string
;
1578 ret
= bt_ctf_field_generic_reset(field
);
1583 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1584 if (string
->payload
) {
1585 g_string_truncate(string
->payload
, 0);
1592 int bt_ctf_field_integer_serialize(struct bt_ctf_field
*field
,
1593 struct ctf_stream_pos
*pos
)
1596 struct bt_ctf_field_integer
*integer
= container_of(field
,
1597 struct bt_ctf_field_integer
, parent
);
1600 ret
= ctf_integer_write(&pos
->parent
, &integer
->definition
.p
);
1601 if (ret
== -EFAULT
) {
1603 * The field is too large to fit in the current packet's
1604 * remaining space. Bump the packet size and retry.
1606 ret
= increase_packet_size(pos
);
1617 int bt_ctf_field_enumeration_serialize(struct bt_ctf_field
*field
,
1618 struct ctf_stream_pos
*pos
)
1620 struct bt_ctf_field_enumeration
*enumeration
= container_of(
1621 field
, struct bt_ctf_field_enumeration
, parent
);
1623 return bt_ctf_field_serialize(enumeration
->payload
, pos
);
1627 int bt_ctf_field_floating_point_serialize(struct bt_ctf_field
*field
,
1628 struct ctf_stream_pos
*pos
)
1631 struct bt_ctf_field_floating_point
*floating_point
= container_of(field
,
1632 struct bt_ctf_field_floating_point
, parent
);
1635 ret
= ctf_float_write(&pos
->parent
, &floating_point
->definition
.p
);
1636 if (ret
== -EFAULT
) {
1638 * The field is too large to fit in the current packet's
1639 * remaining space. Bump the packet size and retry.
1641 ret
= increase_packet_size(pos
);
1652 int bt_ctf_field_structure_serialize(struct bt_ctf_field
*field
,
1653 struct ctf_stream_pos
*pos
)
1657 struct bt_ctf_field_structure
*structure
= container_of(
1658 field
, struct bt_ctf_field_structure
, parent
);
1660 while (!ctf_pos_access_ok(pos
,
1661 offset_align(pos
->offset
,
1662 field
->type
->declaration
->alignment
))) {
1663 ret
= increase_packet_size(pos
);
1669 if (!ctf_align_pos(pos
, field
->type
->declaration
->alignment
)) {
1674 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1675 struct bt_ctf_field
*field
= g_ptr_array_index(
1676 structure
->fields
, i
);
1678 ret
= bt_ctf_field_serialize(field
, pos
);
1688 int bt_ctf_field_variant_serialize(struct bt_ctf_field
*field
,
1689 struct ctf_stream_pos
*pos
)
1691 struct bt_ctf_field_variant
*variant
= container_of(
1692 field
, struct bt_ctf_field_variant
, parent
);
1694 return bt_ctf_field_serialize(variant
->payload
, pos
);
1698 int bt_ctf_field_array_serialize(struct bt_ctf_field
*field
,
1699 struct ctf_stream_pos
*pos
)
1703 struct bt_ctf_field_array
*array
= container_of(
1704 field
, struct bt_ctf_field_array
, parent
);
1706 for (i
= 0; i
< array
->elements
->len
; i
++) {
1707 ret
= bt_ctf_field_serialize(
1708 g_ptr_array_index(array
->elements
, i
), pos
);
1718 int bt_ctf_field_sequence_serialize(struct bt_ctf_field
*field
,
1719 struct ctf_stream_pos
*pos
)
1723 struct bt_ctf_field_sequence
*sequence
= container_of(
1724 field
, struct bt_ctf_field_sequence
, parent
);
1726 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1727 ret
= bt_ctf_field_serialize(
1728 g_ptr_array_index(sequence
->elements
, i
), pos
);
1738 int bt_ctf_field_string_serialize(struct bt_ctf_field
*field
,
1739 struct ctf_stream_pos
*pos
)
1743 struct bt_ctf_field_string
*string
= container_of(field
,
1744 struct bt_ctf_field_string
, parent
);
1745 struct bt_ctf_field_type
*character_type
=
1746 get_field_type(FIELD_TYPE_ALIAS_UINT8_T
);
1747 struct bt_ctf_field
*character
= bt_ctf_field_create(character_type
);
1749 for (i
= 0; i
< string
->payload
->len
+ 1; i
++) {
1750 ret
= bt_ctf_field_unsigned_integer_set_value(character
,
1751 (uint64_t) string
->payload
->str
[i
]);
1756 ret
= bt_ctf_field_integer_serialize(character
, pos
);
1762 bt_ctf_field_put(character
);
1763 bt_ctf_field_type_put(character_type
);
1768 int bt_ctf_field_integer_copy(struct bt_ctf_field
*src
,
1769 struct bt_ctf_field
*dst
)
1771 struct bt_ctf_field_integer
*integer_src
, *integer_dst
;
1773 integer_src
= container_of(src
, struct bt_ctf_field_integer
, parent
);
1774 integer_dst
= container_of(dst
, struct bt_ctf_field_integer
, parent
);
1776 memcpy(&integer_dst
->definition
, &integer_src
->definition
,
1777 sizeof(struct definition_integer
));
1782 int bt_ctf_field_enumeration_copy(struct bt_ctf_field
*src
,
1783 struct bt_ctf_field
*dst
)
1786 struct bt_ctf_field_enumeration
*enum_src
, *enum_dst
;
1788 enum_src
= container_of(src
, struct bt_ctf_field_enumeration
, parent
);
1789 enum_dst
= container_of(dst
, struct bt_ctf_field_enumeration
, parent
);
1791 if (enum_src
->payload
) {
1792 enum_dst
->payload
= bt_ctf_field_copy(enum_src
->payload
);
1793 if (!enum_dst
->payload
) {
1803 int bt_ctf_field_floating_point_copy(
1804 struct bt_ctf_field
*src
, struct bt_ctf_field
*dst
)
1806 struct bt_ctf_field_floating_point
*float_src
, *float_dst
;
1808 float_src
= container_of(src
, struct bt_ctf_field_floating_point
,
1810 float_dst
= container_of(dst
, struct bt_ctf_field_floating_point
,
1813 memcpy(&float_dst
->definition
, &float_src
->definition
,
1814 sizeof(struct definition_float
));
1815 memcpy(&float_dst
->sign
, &float_src
->sign
,
1816 sizeof(struct definition_integer
));
1817 memcpy(&float_dst
->mantissa
, &float_src
->mantissa
,
1818 sizeof(struct definition_integer
));
1819 memcpy(&float_dst
->exp
, &float_src
->exp
,
1820 sizeof(struct definition_integer
));
1825 int bt_ctf_field_structure_copy(struct bt_ctf_field
*src
,
1826 struct bt_ctf_field
*dst
)
1829 struct bt_ctf_field_structure
*struct_src
, *struct_dst
;
1831 struct_src
= container_of(src
, struct bt_ctf_field_structure
, parent
);
1832 struct_dst
= container_of(dst
, struct bt_ctf_field_structure
, parent
);
1834 /* This field_name_to_index HT is owned by the structure field type */
1835 struct_dst
->field_name_to_index
= struct_src
->field_name_to_index
;
1836 g_ptr_array_set_size(struct_dst
->fields
, struct_src
->fields
->len
);
1838 for (i
= 0; i
< struct_src
->fields
->len
; i
++) {
1839 struct bt_ctf_field
*field_copy
= bt_ctf_field_copy(
1840 g_ptr_array_index(struct_src
->fields
, i
));
1846 g_ptr_array_index(struct_dst
->fields
, i
) = field_copy
;
1853 int bt_ctf_field_variant_copy(struct bt_ctf_field
*src
,
1854 struct bt_ctf_field
*dst
)
1857 struct bt_ctf_field_variant
*variant_src
, *variant_dst
;
1859 variant_src
= container_of(src
, struct bt_ctf_field_variant
, parent
);
1860 variant_dst
= container_of(dst
, struct bt_ctf_field_variant
, parent
);
1862 if (variant_src
->tag
) {
1863 variant_dst
->tag
= bt_ctf_field_copy(variant_src
->tag
);
1864 if (!variant_dst
->tag
) {
1869 if (variant_src
->payload
) {
1870 variant_dst
->payload
= bt_ctf_field_copy(variant_src
->payload
);
1871 if (!variant_dst
->payload
) {
1881 int bt_ctf_field_array_copy(struct bt_ctf_field
*src
,
1882 struct bt_ctf_field
*dst
)
1885 struct bt_ctf_field_array
*array_src
, *array_dst
;
1887 array_src
= container_of(src
, struct bt_ctf_field_array
, parent
);
1888 array_dst
= container_of(dst
, struct bt_ctf_field_array
, parent
);
1890 g_ptr_array_set_size(array_dst
->elements
, array_src
->elements
->len
);
1891 for (i
= 0; i
< array_src
->elements
->len
; i
++) {
1892 struct bt_ctf_field
*field_copy
= bt_ctf_field_copy(
1893 g_ptr_array_index(array_src
->elements
, i
));
1899 g_ptr_array_index(array_dst
->elements
, i
) = field_copy
;
1906 int bt_ctf_field_sequence_copy(struct bt_ctf_field
*src
,
1907 struct bt_ctf_field
*dst
)
1910 struct bt_ctf_field_sequence
*sequence_src
, *sequence_dst
;
1912 sequence_src
= container_of(src
, struct bt_ctf_field_sequence
, parent
);
1913 sequence_dst
= container_of(dst
, struct bt_ctf_field_sequence
, parent
);
1915 g_ptr_array_set_size(sequence_dst
->elements
,
1916 sequence_src
->elements
->len
);
1917 for (i
= 0; i
< sequence_src
->elements
->len
; i
++) {
1918 struct bt_ctf_field
*field_copy
= bt_ctf_field_copy(
1919 g_ptr_array_index(sequence_src
->elements
, i
));
1925 g_ptr_array_index(sequence_dst
->elements
, i
) = field_copy
;
1932 int bt_ctf_field_string_copy(struct bt_ctf_field
*src
,
1933 struct bt_ctf_field
*dst
)
1936 struct bt_ctf_field_string
*string_src
, *string_dst
;
1938 string_src
= container_of(src
, struct bt_ctf_field_string
, parent
);
1939 string_dst
= container_of(dst
, struct bt_ctf_field_string
, parent
);
1941 if (string_src
->payload
) {
1942 string_dst
->payload
= g_string_new(string_src
->payload
->str
);
1943 if (!string_dst
->payload
) {
1953 int increase_packet_size(struct ctf_stream_pos
*pos
)
1958 ret
= munmap_align(pos
->base_mma
);
1963 pos
->packet_size
+= PACKET_LEN_INCREMENT
;
1964 ret
= posix_fallocate(pos
->fd
, pos
->mmap_offset
,
1965 pos
->packet_size
/ CHAR_BIT
);
1970 pos
->base_mma
= mmap_align(pos
->packet_size
/ CHAR_BIT
, pos
->prot
,
1971 pos
->flags
, pos
->fd
, pos
->mmap_offset
);
1972 if (pos
->base_mma
== MAP_FAILED
) {