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-ir/fields-internal.h>
30 #include <babeltrace/ctf-ir/field-types-internal.h>
31 #include <babeltrace/object-internal.h>
32 #include <babeltrace/ref.h>
33 #include <babeltrace/compiler.h>
34 #include <babeltrace/compat/fcntl.h>
36 #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT)
39 struct bt_ctf_field
*bt_ctf_field_integer_create(struct bt_ctf_field_type
*);
41 struct bt_ctf_field
*bt_ctf_field_enumeration_create(
42 struct bt_ctf_field_type
*);
44 struct bt_ctf_field
*bt_ctf_field_floating_point_create(
45 struct bt_ctf_field_type
*);
47 struct bt_ctf_field
*bt_ctf_field_structure_create(
48 struct bt_ctf_field_type
*);
50 struct bt_ctf_field
*bt_ctf_field_variant_create(
51 struct bt_ctf_field_type
*);
53 struct bt_ctf_field
*bt_ctf_field_array_create(
54 struct bt_ctf_field_type
*);
56 struct bt_ctf_field
*bt_ctf_field_sequence_create(
57 struct bt_ctf_field_type
*);
59 struct bt_ctf_field
*bt_ctf_field_string_create(struct bt_ctf_field_type
*);
62 void bt_ctf_field_destroy(struct bt_object
*);
64 void bt_ctf_field_integer_destroy(struct bt_ctf_field
*);
66 void bt_ctf_field_enumeration_destroy(struct bt_ctf_field
*);
68 void bt_ctf_field_floating_point_destroy(struct bt_ctf_field
*);
70 void bt_ctf_field_structure_destroy(struct bt_ctf_field
*);
72 void bt_ctf_field_variant_destroy(struct bt_ctf_field
*);
74 void bt_ctf_field_array_destroy(struct bt_ctf_field
*);
76 void bt_ctf_field_sequence_destroy(struct bt_ctf_field
*);
78 void bt_ctf_field_string_destroy(struct bt_ctf_field
*);
81 int bt_ctf_field_generic_validate(struct bt_ctf_field
*);
83 int bt_ctf_field_structure_validate(struct bt_ctf_field
*);
85 int bt_ctf_field_variant_validate(struct bt_ctf_field
*);
87 int bt_ctf_field_enumeration_validate(struct bt_ctf_field
*);
89 int bt_ctf_field_array_validate(struct bt_ctf_field
*);
91 int bt_ctf_field_sequence_validate(struct bt_ctf_field
*);
94 int bt_ctf_field_generic_reset(struct bt_ctf_field
*);
96 int bt_ctf_field_structure_reset(struct bt_ctf_field
*);
98 int bt_ctf_field_variant_reset(struct bt_ctf_field
*);
100 int bt_ctf_field_enumeration_reset(struct bt_ctf_field
*);
102 int bt_ctf_field_array_reset(struct bt_ctf_field
*);
104 int bt_ctf_field_sequence_reset(struct bt_ctf_field
*);
106 int bt_ctf_field_string_reset(struct bt_ctf_field
*);
109 int bt_ctf_field_integer_serialize(struct bt_ctf_field
*,
110 struct ctf_stream_pos
*);
112 int bt_ctf_field_enumeration_serialize(struct bt_ctf_field
*,
113 struct ctf_stream_pos
*);
115 int bt_ctf_field_floating_point_serialize(struct bt_ctf_field
*,
116 struct ctf_stream_pos
*);
118 int bt_ctf_field_structure_serialize(struct bt_ctf_field
*,
119 struct ctf_stream_pos
*);
121 int bt_ctf_field_variant_serialize(struct bt_ctf_field
*,
122 struct ctf_stream_pos
*);
124 int bt_ctf_field_array_serialize(struct bt_ctf_field
*,
125 struct ctf_stream_pos
*);
127 int bt_ctf_field_sequence_serialize(struct bt_ctf_field
*,
128 struct ctf_stream_pos
*);
130 int bt_ctf_field_string_serialize(struct bt_ctf_field
*,
131 struct ctf_stream_pos
*);
134 int bt_ctf_field_integer_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
136 int bt_ctf_field_enumeration_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
138 int bt_ctf_field_floating_point_copy(struct bt_ctf_field
*,
139 struct bt_ctf_field
*);
141 int bt_ctf_field_structure_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
143 int bt_ctf_field_variant_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
145 int bt_ctf_field_array_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
147 int bt_ctf_field_sequence_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
149 int bt_ctf_field_string_copy(struct bt_ctf_field
*, struct bt_ctf_field
*);
152 void generic_field_freeze(struct bt_ctf_field
*);
154 void bt_ctf_field_enumeration_freeze(struct bt_ctf_field
*);
156 void bt_ctf_field_structure_freeze(struct bt_ctf_field
*);
158 void bt_ctf_field_variant_freeze(struct bt_ctf_field
*);
160 void bt_ctf_field_array_freeze(struct bt_ctf_field
*);
162 void bt_ctf_field_sequence_freeze(struct bt_ctf_field
*);
165 bool bt_ctf_field_generic_is_set(struct bt_ctf_field
*);
167 bool bt_ctf_field_structure_is_set(struct bt_ctf_field
*);
169 bool bt_ctf_field_variant_is_set(struct bt_ctf_field
*);
171 bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field
*);
173 bool bt_ctf_field_array_is_set(struct bt_ctf_field
*);
175 bool bt_ctf_field_sequence_is_set(struct bt_ctf_field
*);
178 int increase_packet_size(struct ctf_stream_pos
*pos
);
181 struct bt_ctf_field
*(* const field_create_funcs
[])(
182 struct bt_ctf_field_type
*) = {
183 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_integer_create
,
184 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_create
,
185 [BT_CTF_TYPE_ID_FLOAT
] =
186 bt_ctf_field_floating_point_create
,
187 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_create
,
188 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_create
,
189 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_create
,
190 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_create
,
191 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_string_create
,
195 void (* const field_destroy_funcs
[])(struct bt_ctf_field
*) = {
196 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_integer_destroy
,
197 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_destroy
,
198 [BT_CTF_TYPE_ID_FLOAT
] =
199 bt_ctf_field_floating_point_destroy
,
200 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_destroy
,
201 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_destroy
,
202 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_destroy
,
203 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_destroy
,
204 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_string_destroy
,
208 int (* const field_validate_funcs
[])(struct bt_ctf_field
*) = {
209 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_generic_validate
,
210 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_validate
,
211 [BT_CTF_TYPE_ID_FLOAT
] = bt_ctf_field_generic_validate
,
212 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_validate
,
213 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_validate
,
214 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_validate
,
215 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_validate
,
216 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_generic_validate
,
220 int (* const field_reset_funcs
[])(struct bt_ctf_field
*) = {
221 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_generic_reset
,
222 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_reset
,
223 [BT_CTF_TYPE_ID_FLOAT
] = bt_ctf_field_generic_reset
,
224 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_reset
,
225 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_reset
,
226 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_reset
,
227 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_reset
,
228 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_string_reset
,
232 int (* const field_serialize_funcs
[])(struct bt_ctf_field
*,
233 struct ctf_stream_pos
*) = {
234 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_integer_serialize
,
235 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_serialize
,
236 [BT_CTF_TYPE_ID_FLOAT
] =
237 bt_ctf_field_floating_point_serialize
,
238 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_serialize
,
239 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_serialize
,
240 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_serialize
,
241 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_serialize
,
242 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_string_serialize
,
246 int (* const field_copy_funcs
[])(struct bt_ctf_field
*,
247 struct bt_ctf_field
*) = {
248 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_integer_copy
,
249 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_copy
,
250 [BT_CTF_TYPE_ID_FLOAT
] = bt_ctf_field_floating_point_copy
,
251 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_copy
,
252 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_copy
,
253 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_copy
,
254 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_copy
,
255 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_string_copy
,
259 void (* const field_freeze_funcs
[])(struct bt_ctf_field
*) = {
260 [BT_CTF_TYPE_ID_INTEGER
] = generic_field_freeze
,
261 [BT_CTF_TYPE_ID_FLOAT
] = generic_field_freeze
,
262 [BT_CTF_TYPE_ID_STRING
] = generic_field_freeze
,
263 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_freeze
,
264 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_freeze
,
265 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_freeze
,
266 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_freeze
,
267 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_freeze
,
271 bool (* const field_is_set_funcs
[])(struct bt_ctf_field
*) = {
272 [BT_CTF_TYPE_ID_INTEGER
] = bt_ctf_field_generic_is_set
,
273 [BT_CTF_TYPE_ID_ENUM
] = bt_ctf_field_enumeration_is_set
,
274 [BT_CTF_TYPE_ID_FLOAT
] = bt_ctf_field_generic_is_set
,
275 [BT_CTF_TYPE_ID_STRUCT
] = bt_ctf_field_structure_is_set
,
276 [BT_CTF_TYPE_ID_VARIANT
] = bt_ctf_field_variant_is_set
,
277 [BT_CTF_TYPE_ID_ARRAY
] = bt_ctf_field_array_is_set
,
278 [BT_CTF_TYPE_ID_SEQUENCE
] = bt_ctf_field_sequence_is_set
,
279 [BT_CTF_TYPE_ID_STRING
] = bt_ctf_field_generic_is_set
,
282 struct bt_ctf_field
*bt_ctf_field_create(struct bt_ctf_field_type
*type
)
284 struct bt_ctf_field
*field
= NULL
;
285 enum bt_ctf_type_id type_id
;
292 type_id
= bt_ctf_field_type_get_type_id(type
);
293 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
||
294 type_id
>= BT_CTF_NR_TYPE_IDS
) {
298 /* Field class MUST be valid */
299 ret
= bt_ctf_field_type_validate(type
);
306 field
= field_create_funcs
[type_id
](type
);
311 /* The type's declaration can't change after this point */
312 bt_ctf_field_type_freeze(type
);
314 bt_object_init(field
, bt_ctf_field_destroy
);
320 void bt_ctf_field_get(struct bt_ctf_field
*field
)
325 void bt_ctf_field_put(struct bt_ctf_field
*field
)
330 struct bt_ctf_field_type
*bt_ctf_field_get_type(struct bt_ctf_field
*field
)
332 struct bt_ctf_field_type
*ret
= NULL
;
344 enum bt_ctf_type_id
bt_ctf_field_get_type_id(struct bt_ctf_field
*field
)
346 enum bt_ctf_type_id ret
= BT_CTF_TYPE_ID_UNKNOWN
;
352 ret
= bt_ctf_field_type_get_type_id(field
->type
);
357 int bt_ctf_field_is_integer(struct bt_ctf_field
*field
)
359 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_INTEGER
;
362 int bt_ctf_field_is_floating_point(struct bt_ctf_field
*field
)
364 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_FLOAT
;
367 int bt_ctf_field_is_enumeration(struct bt_ctf_field
*field
)
369 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_ENUM
;
372 int bt_ctf_field_is_string(struct bt_ctf_field
*field
)
374 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_STRING
;
377 int bt_ctf_field_is_structure(struct bt_ctf_field
*field
)
379 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_STRUCT
;
382 int bt_ctf_field_is_array(struct bt_ctf_field
*field
)
384 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_ARRAY
;
387 int bt_ctf_field_is_sequence(struct bt_ctf_field
*field
)
389 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_SEQUENCE
;
392 int bt_ctf_field_is_variant(struct bt_ctf_field
*field
)
394 return bt_ctf_field_get_type_id(field
) == BT_CTF_TYPE_ID_VARIANT
;
397 struct bt_ctf_field
*bt_ctf_field_sequence_get_length(
398 struct bt_ctf_field
*field
)
400 struct bt_ctf_field
*ret
= NULL
;
401 struct bt_ctf_field_sequence
*sequence
;
407 if (bt_ctf_field_type_get_type_id(field
->type
) !=
408 BT_CTF_TYPE_ID_SEQUENCE
) {
412 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
413 ret
= sequence
->length
;
419 int bt_ctf_field_sequence_set_length(struct bt_ctf_field
*field
,
420 struct bt_ctf_field
*length_field
)
423 struct bt_ctf_field_type_integer
*length_type
;
424 struct bt_ctf_field_integer
*length
;
425 struct bt_ctf_field_sequence
*sequence
;
426 uint64_t sequence_length
;
428 if (!field
|| !length_field
|| field
->frozen
) {
432 if (bt_ctf_field_type_get_type_id(length_field
->type
) !=
433 BT_CTF_TYPE_ID_INTEGER
) {
438 length_type
= container_of(length_field
->type
,
439 struct bt_ctf_field_type_integer
, parent
);
440 /* The length field must be unsigned */
441 if (length_type
->declaration
.signedness
) {
446 length
= container_of(length_field
, struct bt_ctf_field_integer
,
448 sequence_length
= length
->definition
.value
._unsigned
;
449 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
450 if (sequence
->elements
) {
451 g_ptr_array_free(sequence
->elements
, TRUE
);
452 bt_put(sequence
->length
);
455 sequence
->elements
= g_ptr_array_sized_new((size_t)sequence_length
);
456 if (!sequence
->elements
) {
461 g_ptr_array_set_free_func(sequence
->elements
,
462 (GDestroyNotify
) bt_put
);
463 g_ptr_array_set_size(sequence
->elements
, (size_t) sequence_length
);
464 bt_get(length_field
);
465 sequence
->length
= length_field
;
470 struct bt_ctf_field
*bt_ctf_field_structure_get_field(
471 struct bt_ctf_field
*field
, const char *name
)
473 struct bt_ctf_field
*new_field
= NULL
;
475 struct bt_ctf_field_structure
*structure
;
476 struct bt_ctf_field_type
*field_type
= NULL
;
479 if (!field
|| !name
||
480 bt_ctf_field_type_get_type_id(field
->type
) !=
481 BT_CTF_TYPE_ID_STRUCT
) {
485 field_quark
= g_quark_from_string(name
);
486 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
488 bt_ctf_field_type_structure_get_field_type_by_name(field
->type
,
490 if (!g_hash_table_lookup_extended(structure
->field_name_to_index
,
491 GUINT_TO_POINTER(field_quark
), NULL
, (gpointer
*)&index
)) {
495 if (structure
->fields
->pdata
[index
]) {
496 new_field
= structure
->fields
->pdata
[index
];
500 /* We don't want to modify this field if it's frozen */
505 new_field
= bt_ctf_field_create(field_type
);
510 structure
->fields
->pdata
[index
] = new_field
;
520 struct bt_ctf_field
*bt_ctf_field_structure_get_field_by_index(
521 struct bt_ctf_field
*field
, int index
)
524 const char *field_name
;
525 struct bt_ctf_field_structure
*structure
;
526 struct bt_ctf_field_type
*structure_type
;
527 struct bt_ctf_field_type
*field_type
= NULL
;
528 struct bt_ctf_field
*ret_field
= NULL
;
531 bt_ctf_field_type_get_type_id(field
->type
) !=
532 BT_CTF_TYPE_ID_STRUCT
) {
536 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
537 if (index
>= structure
->fields
->len
) {
541 ret_field
= structure
->fields
->pdata
[index
];
546 /* We don't want to modify this field if it's frozen */
551 /* Field has not been instanciated yet, create it */
552 structure_type
= bt_ctf_field_get_type(field
);
553 if (!structure_type
) {
557 ret
= bt_ctf_field_type_structure_get_field(structure_type
,
558 &field_name
, &field_type
, index
);
559 bt_put(structure_type
);
564 ret_field
= bt_ctf_field_create(field_type
);
569 structure
->fields
->pdata
[index
] = ret_field
;
578 int bt_ctf_field_structure_set_field(struct bt_ctf_field
*field
,
579 const char *name
, struct bt_ctf_field
*value
)
583 struct bt_ctf_field_structure
*structure
;
584 struct bt_ctf_field_type
*expected_field_type
= NULL
;
587 if (!field
|| !name
|| !value
|| field
->frozen
||
588 bt_ctf_field_type_get_type_id(field
->type
) !=
589 BT_CTF_TYPE_ID_STRUCT
) {
594 field_quark
= g_quark_from_string(name
);
595 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
596 expected_field_type
=
597 bt_ctf_field_type_structure_get_field_type_by_name(field
->type
,
600 if (bt_ctf_field_type_compare(expected_field_type
, value
->type
)) {
605 if (!g_hash_table_lookup_extended(structure
->field_name_to_index
,
606 GUINT_TO_POINTER(field_quark
), NULL
, (gpointer
*) &index
)) {
610 if (structure
->fields
->pdata
[index
]) {
611 bt_put(structure
->fields
->pdata
[index
]);
614 structure
->fields
->pdata
[index
] = value
;
617 if (expected_field_type
) {
618 bt_put(expected_field_type
);
623 struct bt_ctf_field
*bt_ctf_field_array_get_field(struct bt_ctf_field
*field
,
626 struct bt_ctf_field
*new_field
= NULL
;
627 struct bt_ctf_field_type
*field_type
= NULL
;
628 struct bt_ctf_field_array
*array
;
630 if (!field
|| bt_ctf_field_type_get_type_id(field
->type
) !=
631 BT_CTF_TYPE_ID_ARRAY
) {
635 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
636 if (index
>= array
->elements
->len
) {
640 field_type
= bt_ctf_field_type_array_get_element_type(field
->type
);
641 if (array
->elements
->pdata
[(size_t)index
]) {
642 new_field
= array
->elements
->pdata
[(size_t)index
];
646 /* We don't want to modify this field if it's frozen */
651 new_field
= bt_ctf_field_create(field_type
);
652 array
->elements
->pdata
[(size_t)index
] = new_field
;
663 struct bt_ctf_field
*bt_ctf_field_sequence_get_field(struct bt_ctf_field
*field
,
666 struct bt_ctf_field
*new_field
= NULL
;
667 struct bt_ctf_field_type
*field_type
= NULL
;
668 struct bt_ctf_field_sequence
*sequence
;
670 if (!field
|| bt_ctf_field_type_get_type_id(field
->type
) !=
671 BT_CTF_TYPE_ID_SEQUENCE
) {
675 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
676 if (!sequence
->elements
|| sequence
->elements
->len
<= index
) {
680 field_type
= bt_ctf_field_type_sequence_get_element_type(field
->type
);
681 if (sequence
->elements
->pdata
[(size_t) index
]) {
682 new_field
= sequence
->elements
->pdata
[(size_t) index
];
686 /* We don't want to modify this field if it's frozen */
691 new_field
= bt_ctf_field_create(field_type
);
692 sequence
->elements
->pdata
[(size_t) index
] = new_field
;
703 struct bt_ctf_field
*bt_ctf_field_variant_get_field(struct bt_ctf_field
*field
,
704 struct bt_ctf_field
*tag_field
)
706 struct bt_ctf_field
*new_field
= NULL
;
707 struct bt_ctf_field_variant
*variant
;
708 struct bt_ctf_field_type_variant
*variant_type
;
709 struct bt_ctf_field_type
*field_type
;
710 struct bt_ctf_field
*tag_enum
= NULL
;
711 struct bt_ctf_field_integer
*tag_enum_integer
;
712 int64_t tag_enum_value
;
714 if (!field
|| !tag_field
||
715 bt_ctf_field_type_get_type_id(field
->type
) !=
716 BT_CTF_TYPE_ID_VARIANT
||
717 bt_ctf_field_type_get_type_id(tag_field
->type
) !=
718 BT_CTF_TYPE_ID_ENUM
) {
722 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
723 variant_type
= container_of(field
->type
,
724 struct bt_ctf_field_type_variant
, parent
);
725 tag_enum
= bt_ctf_field_enumeration_get_container(tag_field
);
730 tag_enum_integer
= container_of(tag_enum
, struct bt_ctf_field_integer
,
733 if (bt_ctf_field_validate(tag_field
) < 0) {
737 tag_enum_value
= tag_enum_integer
->definition
.value
._signed
;
740 * If the variant currently has a tag and a payload, and if the
741 * requested tag value is the same as the current one, return
742 * the current payload instead of creating a fresh one.
744 if (variant
->tag
&& variant
->payload
) {
745 struct bt_ctf_field
*cur_tag_container
= NULL
;
746 struct bt_ctf_field_integer
*cur_tag_enum_integer
;
747 int64_t cur_tag_value
;
750 bt_ctf_field_enumeration_get_container(variant
->tag
);
751 assert(cur_tag_container
);
752 cur_tag_enum_integer
= container_of(cur_tag_container
,
753 struct bt_ctf_field_integer
, parent
);
754 bt_put(cur_tag_container
);
755 cur_tag_value
= cur_tag_enum_integer
->definition
.value
._signed
;
757 if (cur_tag_value
== tag_enum_value
) {
758 new_field
= variant
->payload
;
764 /* We don't want to modify this field if it's frozen */
769 field_type
= bt_ctf_field_type_variant_get_field_type_signed(
770 variant_type
, tag_enum_value
);
775 new_field
= bt_ctf_field_create(field_type
);
780 bt_put(variant
->tag
);
781 bt_put(variant
->payload
);
784 variant
->tag
= tag_field
;
785 variant
->payload
= new_field
;
791 struct bt_ctf_field
*bt_ctf_field_variant_get_current_field(
792 struct bt_ctf_field
*variant_field
)
794 struct bt_ctf_field
*current_field
= NULL
;
795 struct bt_ctf_field_variant
*variant
;
797 if (!variant_field
||
798 bt_ctf_field_type_get_type_id(variant_field
->type
) !=
799 BT_CTF_TYPE_ID_VARIANT
) {
803 variant
= container_of(variant_field
, struct bt_ctf_field_variant
,
806 if (variant
->payload
) {
807 current_field
= variant
->payload
;
808 bt_get(current_field
);
813 return current_field
;
816 struct bt_ctf_field
*bt_ctf_field_variant_get_tag(
817 struct bt_ctf_field
*variant_field
)
819 struct bt_ctf_field
*tag
= NULL
;
820 struct bt_ctf_field_variant
*variant
;
822 if (!variant_field
||
823 bt_ctf_field_type_get_type_id(variant_field
->type
) !=
824 BT_CTF_TYPE_ID_VARIANT
) {
828 variant
= container_of(variant_field
, struct bt_ctf_field_variant
,
831 tag
= bt_get(variant
->tag
);
837 struct bt_ctf_field
*bt_ctf_field_enumeration_get_container(
838 struct bt_ctf_field
*field
)
840 struct bt_ctf_field
*container
= NULL
;
841 struct bt_ctf_field_enumeration
*enumeration
;
843 if (!field
|| bt_ctf_field_type_get_type_id(field
->type
) !=
844 BT_CTF_TYPE_ID_ENUM
) {
848 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
850 if (!enumeration
->payload
) {
851 /* We don't want to modify this field if it's frozen */
856 struct bt_ctf_field_type_enumeration
*enumeration_type
=
857 container_of(field
->type
,
858 struct bt_ctf_field_type_enumeration
, parent
);
859 enumeration
->payload
=
860 bt_ctf_field_create(enumeration_type
->container
);
863 container
= enumeration
->payload
;
869 const char *bt_ctf_field_enumeration_get_single_mapping_name(
870 struct bt_ctf_field
*field
)
873 const char *name
= NULL
;
874 struct bt_ctf_field
*container
= NULL
;
875 struct bt_ctf_field_type
*container_type
= NULL
;
876 struct bt_ctf_field_type_integer
*integer_type
= NULL
;
877 struct bt_ctf_field_type_enumeration_mapping_iterator
*iter
= NULL
;
879 container
= bt_ctf_field_enumeration_get_container(field
);
884 container_type
= bt_ctf_field_get_type(container
);
885 if (!container_type
) {
886 goto error_put_container
;
889 integer_type
= container_of(container_type
,
890 struct bt_ctf_field_type_integer
, parent
);
892 if (!integer_type
->declaration
.signedness
) {
895 ret
= bt_ctf_field_unsigned_integer_get_value(container
,
898 goto error_put_container_type
;
900 iter
= bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(
903 goto error_put_container_type
;
905 (void) bt_ctf_field_type_enumeration_mapping_iterator_get_unsigned(
906 iter
, &name
, NULL
, NULL
);
910 ret
= bt_ctf_field_signed_integer_get_value(container
,
913 goto error_put_container_type
;
915 iter
= bt_ctf_field_type_enumeration_find_mappings_by_signed_value(
918 goto error_put_container_type
;
920 (void) bt_ctf_field_type_enumeration_mapping_iterator_get_signed(
921 iter
, &name
, NULL
, NULL
);
924 error_put_container_type
:
925 bt_put(container_type
);
932 int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field
*field
,
936 struct bt_ctf_field_integer
*integer
;
937 struct bt_ctf_field_type_integer
*integer_type
;
939 if (!field
|| !value
|| !field
->payload_set
||
940 bt_ctf_field_type_get_type_id(field
->type
) !=
941 BT_CTF_TYPE_ID_INTEGER
) {
946 integer_type
= container_of(field
->type
,
947 struct bt_ctf_field_type_integer
, parent
);
948 if (!integer_type
->declaration
.signedness
) {
953 integer
= container_of(field
,
954 struct bt_ctf_field_integer
, parent
);
955 *value
= integer
->definition
.value
._signed
;
960 int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field
*field
,
964 struct bt_ctf_field_integer
*integer
;
965 struct bt_ctf_field_type_integer
*integer_type
;
967 int64_t min_value
, max_value
;
969 if (!field
|| field
->frozen
||
970 bt_ctf_field_type_get_type_id(field
->type
) !=
971 BT_CTF_TYPE_ID_INTEGER
) {
976 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
977 integer_type
= container_of(field
->type
,
978 struct bt_ctf_field_type_integer
, parent
);
979 if (!integer_type
->declaration
.signedness
) {
984 size
= integer_type
->declaration
.len
;
985 min_value
= -(1ULL << (size
- 1));
986 max_value
= (1ULL << (size
- 1)) - 1;
987 if (value
< min_value
|| value
> max_value
) {
992 integer
->definition
.value
._signed
= value
;
993 integer
->parent
.payload_set
= 1;
998 int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field
*field
,
1002 struct bt_ctf_field_integer
*integer
;
1003 struct bt_ctf_field_type_integer
*integer_type
;
1005 if (!field
|| !value
|| !field
->payload_set
||
1006 bt_ctf_field_type_get_type_id(field
->type
) !=
1007 BT_CTF_TYPE_ID_INTEGER
) {
1012 integer_type
= container_of(field
->type
,
1013 struct bt_ctf_field_type_integer
, parent
);
1014 if (integer_type
->declaration
.signedness
) {
1019 integer
= container_of(field
,
1020 struct bt_ctf_field_integer
, parent
);
1021 *value
= integer
->definition
.value
._unsigned
;
1026 int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field
*field
,
1030 struct bt_ctf_field_integer
*integer
;
1031 struct bt_ctf_field_type_integer
*integer_type
;
1035 if (!field
|| field
->frozen
||
1036 bt_ctf_field_type_get_type_id(field
->type
) !=
1037 BT_CTF_TYPE_ID_INTEGER
) {
1042 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
1043 integer_type
= container_of(field
->type
,
1044 struct bt_ctf_field_type_integer
, parent
);
1045 if (integer_type
->declaration
.signedness
) {
1050 size
= integer_type
->declaration
.len
;
1051 max_value
= (size
== 64) ? UINT64_MAX
: ((uint64_t) 1 << size
) - 1;
1052 if (value
> max_value
) {
1057 integer
->definition
.value
._unsigned
= value
;
1058 integer
->parent
.payload_set
= 1;
1063 int bt_ctf_field_floating_point_get_value(struct bt_ctf_field
*field
,
1067 struct bt_ctf_field_floating_point
*floating_point
;
1069 if (!field
|| !value
|| !field
->payload_set
||
1070 bt_ctf_field_type_get_type_id(field
->type
) !=
1071 BT_CTF_TYPE_ID_FLOAT
) {
1076 floating_point
= container_of(field
,
1077 struct bt_ctf_field_floating_point
, parent
);
1078 *value
= floating_point
->definition
.value
;
1083 int bt_ctf_field_floating_point_set_value(struct bt_ctf_field
*field
,
1087 struct bt_ctf_field_floating_point
*floating_point
;
1089 if (!field
|| field
->frozen
||
1090 bt_ctf_field_type_get_type_id(field
->type
) !=
1091 BT_CTF_TYPE_ID_FLOAT
) {
1095 floating_point
= container_of(field
, struct bt_ctf_field_floating_point
,
1097 floating_point
->definition
.value
= value
;
1098 floating_point
->parent
.payload_set
= 1;
1103 const char *bt_ctf_field_string_get_value(struct bt_ctf_field
*field
)
1105 const char *ret
= NULL
;
1106 struct bt_ctf_field_string
*string
;
1108 if (!field
|| !field
->payload_set
||
1109 bt_ctf_field_type_get_type_id(field
->type
) !=
1110 BT_CTF_TYPE_ID_STRING
) {
1114 string
= container_of(field
,
1115 struct bt_ctf_field_string
, parent
);
1116 ret
= string
->payload
->str
;
1121 int bt_ctf_field_string_set_value(struct bt_ctf_field
*field
,
1125 struct bt_ctf_field_string
*string
;
1127 if (!field
|| !value
|| field
->frozen
||
1128 bt_ctf_field_type_get_type_id(field
->type
) !=
1129 BT_CTF_TYPE_ID_STRING
) {
1134 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1135 if (string
->payload
) {
1136 g_string_assign(string
->payload
, value
);
1138 string
->payload
= g_string_new(value
);
1141 string
->parent
.payload_set
= 1;
1146 int bt_ctf_field_string_append(struct bt_ctf_field
*field
,
1150 struct bt_ctf_field_string
*string_field
;
1152 if (!field
|| !value
|| field
->frozen
||
1153 bt_ctf_field_type_get_type_id(field
->type
) !=
1154 BT_CTF_TYPE_ID_STRING
) {
1159 string_field
= container_of(field
, struct bt_ctf_field_string
, parent
);
1161 if (string_field
->payload
) {
1162 g_string_append(string_field
->payload
, value
);
1164 string_field
->payload
= g_string_new(value
);
1167 string_field
->parent
.payload_set
= 1;
1173 int bt_ctf_field_string_append_len(struct bt_ctf_field
*field
,
1174 const char *value
, unsigned int length
)
1178 unsigned int effective_length
= length
;
1179 struct bt_ctf_field_string
*string_field
;
1181 if (!field
|| !value
|| field
->frozen
||
1182 bt_ctf_field_type_get_type_id(field
->type
) !=
1183 BT_CTF_TYPE_ID_STRING
) {
1188 string_field
= container_of(field
, struct bt_ctf_field_string
, parent
);
1190 /* make sure no null bytes are appended */
1191 for (i
= 0; i
< length
; ++i
) {
1192 if (value
[i
] == '\0') {
1193 effective_length
= i
;
1198 if (string_field
->payload
) {
1199 g_string_append_len(string_field
->payload
, value
,
1202 string_field
->payload
= g_string_new_len(value
,
1206 string_field
->parent
.payload_set
= 1;
1213 int bt_ctf_field_validate(struct bt_ctf_field
*field
)
1216 enum bt_ctf_type_id type_id
;
1223 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1224 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1229 ret
= field_validate_funcs
[type_id
](field
);
1235 int bt_ctf_field_reset(struct bt_ctf_field
*field
)
1238 enum bt_ctf_type_id type_id
;
1245 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1246 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1251 ret
= field_reset_funcs
[type_id
](field
);
1257 int bt_ctf_field_serialize(struct bt_ctf_field
*field
,
1258 struct ctf_stream_pos
*pos
)
1261 enum bt_ctf_type_id type_id
;
1263 if (!field
|| !pos
) {
1268 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1269 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1274 ret
= field_serialize_funcs
[type_id
](field
, pos
);
1281 bool bt_ctf_field_is_set(struct bt_ctf_field
*field
)
1283 bool is_set
= false;
1284 enum bt_ctf_type_id type_id
;
1290 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1291 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1295 is_set
= field_is_set_funcs
[type_id
](field
);
1300 struct bt_ctf_field
*bt_ctf_field_copy(struct bt_ctf_field
*field
)
1303 struct bt_ctf_field
*copy
= NULL
;
1304 enum bt_ctf_type_id type_id
;
1310 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1311 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1315 copy
= bt_ctf_field_create(field
->type
);
1320 copy
->payload_set
= field
->payload_set
;
1321 ret
= field_copy_funcs
[type_id
](field
, copy
);
1331 struct bt_ctf_field
*bt_ctf_field_integer_create(struct bt_ctf_field_type
*type
)
1333 struct bt_ctf_field_type_integer
*integer_type
= container_of(type
,
1334 struct bt_ctf_field_type_integer
, parent
);
1335 struct bt_ctf_field_integer
*integer
= g_new0(
1336 struct bt_ctf_field_integer
, 1);
1339 integer
->definition
.declaration
= &integer_type
->declaration
;
1342 return integer
? &integer
->parent
: NULL
;
1346 struct bt_ctf_field
*bt_ctf_field_enumeration_create(
1347 struct bt_ctf_field_type
*type
)
1349 struct bt_ctf_field_enumeration
*enumeration
= g_new0(
1350 struct bt_ctf_field_enumeration
, 1);
1352 return enumeration
? &enumeration
->parent
: NULL
;
1356 struct bt_ctf_field
*bt_ctf_field_floating_point_create(
1357 struct bt_ctf_field_type
*type
)
1359 struct bt_ctf_field_floating_point
*floating_point
;
1360 struct bt_ctf_field_type_floating_point
*floating_point_type
;
1362 floating_point
= g_new0(struct bt_ctf_field_floating_point
, 1);
1363 if (!floating_point
) {
1367 floating_point_type
= container_of(type
,
1368 struct bt_ctf_field_type_floating_point
, parent
);
1369 floating_point
->definition
.declaration
= container_of(
1370 type
->declaration
, struct declaration_float
, p
);
1373 floating_point
->definition
.sign
= &floating_point
->sign
;
1374 floating_point
->sign
.declaration
= &floating_point_type
->sign
;
1375 floating_point
->definition
.sign
->p
.declaration
=
1376 &floating_point_type
->sign
.p
;
1378 floating_point
->definition
.mantissa
= &floating_point
->mantissa
;
1379 floating_point
->mantissa
.declaration
= &floating_point_type
->mantissa
;
1380 floating_point
->definition
.mantissa
->p
.declaration
=
1381 &floating_point_type
->mantissa
.p
;
1383 floating_point
->definition
.exp
= &floating_point
->exp
;
1384 floating_point
->exp
.declaration
= &floating_point_type
->exp
;
1385 floating_point
->definition
.exp
->p
.declaration
=
1386 &floating_point_type
->exp
.p
;
1389 return floating_point
? &floating_point
->parent
: NULL
;
1393 struct bt_ctf_field
*bt_ctf_field_structure_create(
1394 struct bt_ctf_field_type
*type
)
1396 struct bt_ctf_field_type_structure
*structure_type
= container_of(type
,
1397 struct bt_ctf_field_type_structure
, parent
);
1398 struct bt_ctf_field_structure
*structure
= g_new0(
1399 struct bt_ctf_field_structure
, 1);
1400 struct bt_ctf_field
*field
= NULL
;
1406 structure
->field_name_to_index
= structure_type
->field_name_to_index
;
1407 structure
->fields
= g_ptr_array_new_with_free_func(
1408 (GDestroyNotify
)bt_ctf_field_put
);
1409 g_ptr_array_set_size(structure
->fields
,
1410 g_hash_table_size(structure
->field_name_to_index
));
1411 field
= &structure
->parent
;
1417 struct bt_ctf_field
*bt_ctf_field_variant_create(struct bt_ctf_field_type
*type
)
1419 struct bt_ctf_field_variant
*variant
= g_new0(
1420 struct bt_ctf_field_variant
, 1);
1421 return variant
? &variant
->parent
: NULL
;
1425 struct bt_ctf_field
*bt_ctf_field_array_create(struct bt_ctf_field_type
*type
)
1427 struct bt_ctf_field_array
*array
= g_new0(struct bt_ctf_field_array
, 1);
1428 struct bt_ctf_field_type_array
*array_type
;
1429 unsigned int array_length
;
1431 if (!array
|| !type
) {
1435 array_type
= container_of(type
, struct bt_ctf_field_type_array
, parent
);
1436 array_length
= array_type
->length
;
1437 array
->elements
= g_ptr_array_sized_new(array_length
);
1438 if (!array
->elements
) {
1442 g_ptr_array_set_free_func(array
->elements
,
1443 (GDestroyNotify
)bt_ctf_field_put
);
1444 g_ptr_array_set_size(array
->elements
, array_length
);
1445 return &array
->parent
;
1452 struct bt_ctf_field
*bt_ctf_field_sequence_create(
1453 struct bt_ctf_field_type
*type
)
1455 struct bt_ctf_field_sequence
*sequence
= g_new0(
1456 struct bt_ctf_field_sequence
, 1);
1457 return sequence
? &sequence
->parent
: NULL
;
1461 struct bt_ctf_field
*bt_ctf_field_string_create(struct bt_ctf_field_type
*type
)
1463 struct bt_ctf_field_string
*string
= g_new0(
1464 struct bt_ctf_field_string
, 1);
1465 return string
? &string
->parent
: NULL
;
1469 void bt_ctf_field_destroy(struct bt_object
*obj
)
1471 struct bt_ctf_field
*field
;
1472 struct bt_ctf_field_type
*type
;
1473 enum bt_ctf_type_id type_id
;
1475 field
= container_of(obj
, struct bt_ctf_field
, base
);
1477 type_id
= bt_ctf_field_type_get_type_id(type
);
1478 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
||
1479 type_id
>= BT_CTF_NR_TYPE_IDS
) {
1483 field_destroy_funcs
[type_id
](field
);
1488 void bt_ctf_field_integer_destroy(struct bt_ctf_field
*field
)
1490 struct bt_ctf_field_integer
*integer
;
1496 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
1501 void bt_ctf_field_enumeration_destroy(struct bt_ctf_field
*field
)
1503 struct bt_ctf_field_enumeration
*enumeration
;
1509 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1511 bt_put(enumeration
->payload
);
1512 g_free(enumeration
);
1516 void bt_ctf_field_floating_point_destroy(struct bt_ctf_field
*field
)
1518 struct bt_ctf_field_floating_point
*floating_point
;
1524 floating_point
= container_of(field
, struct bt_ctf_field_floating_point
,
1526 g_free(floating_point
);
1530 void bt_ctf_field_structure_destroy(struct bt_ctf_field
*field
)
1532 struct bt_ctf_field_structure
*structure
;
1538 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1539 g_ptr_array_free(structure
->fields
, TRUE
);
1544 void bt_ctf_field_variant_destroy(struct bt_ctf_field
*field
)
1546 struct bt_ctf_field_variant
*variant
;
1552 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1553 bt_put(variant
->tag
);
1554 bt_put(variant
->payload
);
1559 void bt_ctf_field_array_destroy(struct bt_ctf_field
*field
)
1561 struct bt_ctf_field_array
*array
;
1567 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1568 g_ptr_array_free(array
->elements
, TRUE
);
1573 void bt_ctf_field_sequence_destroy(struct bt_ctf_field
*field
)
1575 struct bt_ctf_field_sequence
*sequence
;
1581 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1582 if (sequence
->elements
) {
1583 g_ptr_array_free(sequence
->elements
, TRUE
);
1585 bt_put(sequence
->length
);
1590 void bt_ctf_field_string_destroy(struct bt_ctf_field
*field
)
1592 struct bt_ctf_field_string
*string
;
1597 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1598 if (string
->payload
) {
1599 g_string_free(string
->payload
, TRUE
);
1605 int bt_ctf_field_generic_validate(struct bt_ctf_field
*field
)
1607 return (field
&& field
->payload_set
) ? 0 : -1;
1611 int bt_ctf_field_enumeration_validate(struct bt_ctf_field
*field
)
1614 struct bt_ctf_field_enumeration
*enumeration
;
1621 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1623 if (!enumeration
->payload
) {
1628 ret
= bt_ctf_field_validate(enumeration
->payload
);
1634 int bt_ctf_field_structure_validate(struct bt_ctf_field
*field
)
1638 struct bt_ctf_field_structure
*structure
;
1645 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1646 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1647 ret
= bt_ctf_field_validate(structure
->fields
->pdata
[i
]);
1650 struct bt_ctf_field_type
*field_type
=
1651 bt_ctf_field_get_type(field
);
1653 (void) bt_ctf_field_type_structure_get_field(field_type
,
1655 fprintf(stderr
, "Field %s failed validation\n",
1656 name
? name
: "NULL");
1666 int bt_ctf_field_variant_validate(struct bt_ctf_field
*field
)
1669 struct bt_ctf_field_variant
*variant
;
1676 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1677 ret
= bt_ctf_field_validate(variant
->payload
);
1683 int bt_ctf_field_array_validate(struct bt_ctf_field
*field
)
1687 struct bt_ctf_field_array
*array
;
1694 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1695 for (i
= 0; i
< array
->elements
->len
; i
++) {
1696 ret
= bt_ctf_field_validate(array
->elements
->pdata
[i
]);
1698 fprintf(stderr
, "Failed to validate array field #%zu\n", i
);
1707 int bt_ctf_field_sequence_validate(struct bt_ctf_field
*field
)
1711 struct bt_ctf_field_sequence
*sequence
;
1718 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1719 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1720 ret
= bt_ctf_field_validate(sequence
->elements
->pdata
[i
]);
1722 fprintf(stderr
, "Failed to validate sequence field #%zu\n", i
);
1731 int bt_ctf_field_generic_reset(struct bt_ctf_field
*field
)
1740 field
->payload_set
= 0;
1746 int bt_ctf_field_enumeration_reset(struct bt_ctf_field
*field
)
1749 struct bt_ctf_field_enumeration
*enumeration
;
1756 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1758 if (!enumeration
->payload
) {
1762 ret
= bt_ctf_field_reset(enumeration
->payload
);
1768 int bt_ctf_field_structure_reset(struct bt_ctf_field
*field
)
1772 struct bt_ctf_field_structure
*structure
;
1779 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1780 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1781 struct bt_ctf_field
*member
= structure
->fields
->pdata
[i
];
1785 * Structure members are lazily initialized; skip if
1786 * this member has not been allocated yet.
1791 ret
= bt_ctf_field_reset(member
);
1801 int bt_ctf_field_variant_reset(struct bt_ctf_field
*field
)
1804 struct bt_ctf_field_variant
*variant
;
1811 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1812 if (variant
->payload
) {
1813 ret
= bt_ctf_field_reset(variant
->payload
);
1820 int bt_ctf_field_array_reset(struct bt_ctf_field
*field
)
1824 struct bt_ctf_field_array
*array
;
1831 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1832 for (i
= 0; i
< array
->elements
->len
; i
++) {
1833 struct bt_ctf_field
*member
= array
->elements
->pdata
[i
];
1837 * Array elements are lazily initialized; skip if
1838 * this member has not been allocated yet.
1843 ret
= bt_ctf_field_reset(member
);
1853 int bt_ctf_field_sequence_reset(struct bt_ctf_field
*field
)
1857 struct bt_ctf_field_sequence
*sequence
;
1864 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1865 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1866 struct bt_ctf_field
*member
= sequence
->elements
->pdata
[i
];
1870 * Sequence elements are lazily initialized; skip if
1871 * this member has not been allocated yet.
1876 ret
= bt_ctf_field_reset(member
);
1886 int bt_ctf_field_string_reset(struct bt_ctf_field
*field
)
1889 struct bt_ctf_field_string
*string
;
1896 ret
= bt_ctf_field_generic_reset(field
);
1901 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1902 if (string
->payload
) {
1903 g_string_truncate(string
->payload
, 0);
1910 int bt_ctf_field_integer_serialize(struct bt_ctf_field
*field
,
1911 struct ctf_stream_pos
*pos
)
1914 struct bt_ctf_field_integer
*integer
= container_of(field
,
1915 struct bt_ctf_field_integer
, parent
);
1918 ret
= ctf_integer_write(&pos
->parent
, &integer
->definition
.p
);
1919 if (ret
== -EFAULT
) {
1921 * The field is too large to fit in the current packet's
1922 * remaining space. Bump the packet size and retry.
1924 ret
= increase_packet_size(pos
);
1935 int bt_ctf_field_enumeration_serialize(struct bt_ctf_field
*field
,
1936 struct ctf_stream_pos
*pos
)
1938 struct bt_ctf_field_enumeration
*enumeration
= container_of(
1939 field
, struct bt_ctf_field_enumeration
, parent
);
1941 return bt_ctf_field_serialize(enumeration
->payload
, pos
);
1945 int bt_ctf_field_floating_point_serialize(struct bt_ctf_field
*field
,
1946 struct ctf_stream_pos
*pos
)
1949 struct bt_ctf_field_floating_point
*floating_point
= container_of(field
,
1950 struct bt_ctf_field_floating_point
, parent
);
1953 ret
= ctf_float_write(&pos
->parent
, &floating_point
->definition
.p
);
1954 if (ret
== -EFAULT
) {
1956 * The field is too large to fit in the current packet's
1957 * remaining space. Bump the packet size and retry.
1959 ret
= increase_packet_size(pos
);
1970 int bt_ctf_field_structure_serialize(struct bt_ctf_field
*field
,
1971 struct ctf_stream_pos
*pos
)
1975 struct bt_ctf_field_structure
*structure
= container_of(
1976 field
, struct bt_ctf_field_structure
, parent
);
1978 while (!ctf_pos_access_ok(pos
,
1979 offset_align(pos
->offset
,
1980 field
->type
->declaration
->alignment
))) {
1981 ret
= increase_packet_size(pos
);
1987 if (!ctf_align_pos(pos
, field
->type
->declaration
->alignment
)) {
1992 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1993 struct bt_ctf_field
*field
= g_ptr_array_index(
1994 structure
->fields
, i
);
1996 ret
= bt_ctf_field_serialize(field
, pos
);
1999 struct bt_ctf_field_type
*field_type
=
2000 bt_ctf_field_get_type(field
);
2002 (void) bt_ctf_field_type_structure_get_field(field_type
,
2004 fprintf(stderr
, "Field %s failed to serialize\n",
2005 name
? name
: "NULL");
2015 int bt_ctf_field_variant_serialize(struct bt_ctf_field
*field
,
2016 struct ctf_stream_pos
*pos
)
2018 struct bt_ctf_field_variant
*variant
= container_of(
2019 field
, struct bt_ctf_field_variant
, parent
);
2021 return bt_ctf_field_serialize(variant
->payload
, pos
);
2025 int bt_ctf_field_array_serialize(struct bt_ctf_field
*field
,
2026 struct ctf_stream_pos
*pos
)
2030 struct bt_ctf_field_array
*array
= container_of(
2031 field
, struct bt_ctf_field_array
, parent
);
2033 for (i
= 0; i
< array
->elements
->len
; i
++) {
2034 ret
= bt_ctf_field_serialize(
2035 g_ptr_array_index(array
->elements
, i
), pos
);
2037 fprintf(stderr
, "Failed to serialize array element #%zu\n", i
);
2046 int bt_ctf_field_sequence_serialize(struct bt_ctf_field
*field
,
2047 struct ctf_stream_pos
*pos
)
2051 struct bt_ctf_field_sequence
*sequence
= container_of(
2052 field
, struct bt_ctf_field_sequence
, parent
);
2054 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
2055 ret
= bt_ctf_field_serialize(
2056 g_ptr_array_index(sequence
->elements
, i
), pos
);
2058 fprintf(stderr
, "Failed to serialize sequence element #%zu\n", i
);
2067 int bt_ctf_field_string_serialize(struct bt_ctf_field
*field
,
2068 struct ctf_stream_pos
*pos
)
2072 struct bt_ctf_field_string
*string
= container_of(field
,
2073 struct bt_ctf_field_string
, parent
);
2074 struct bt_ctf_field_type
*character_type
=
2075 get_field_type(FIELD_TYPE_ALIAS_UINT8_T
);
2076 struct bt_ctf_field
*character
= bt_ctf_field_create(character_type
);
2078 for (i
= 0; i
< string
->payload
->len
+ 1; i
++) {
2079 ret
= bt_ctf_field_unsigned_integer_set_value(character
,
2080 (uint64_t) string
->payload
->str
[i
]);
2085 ret
= bt_ctf_field_integer_serialize(character
, pos
);
2092 bt_put(character_type
);
2097 int bt_ctf_field_integer_copy(struct bt_ctf_field
*src
,
2098 struct bt_ctf_field
*dst
)
2100 struct bt_ctf_field_integer
*integer_src
, *integer_dst
;
2102 integer_src
= container_of(src
, struct bt_ctf_field_integer
, parent
);
2103 integer_dst
= container_of(dst
, struct bt_ctf_field_integer
, parent
);
2105 memcpy(&integer_dst
->definition
, &integer_src
->definition
,
2106 sizeof(struct definition_integer
));
2111 int bt_ctf_field_enumeration_copy(struct bt_ctf_field
*src
,
2112 struct bt_ctf_field
*dst
)
2115 struct bt_ctf_field_enumeration
*enum_src
, *enum_dst
;
2117 enum_src
= container_of(src
, struct bt_ctf_field_enumeration
, parent
);
2118 enum_dst
= container_of(dst
, struct bt_ctf_field_enumeration
, parent
);
2120 if (enum_src
->payload
) {
2121 enum_dst
->payload
= bt_ctf_field_copy(enum_src
->payload
);
2122 if (!enum_dst
->payload
) {
2132 int bt_ctf_field_floating_point_copy(
2133 struct bt_ctf_field
*src
, struct bt_ctf_field
*dst
)
2135 struct bt_ctf_field_floating_point
*float_src
, *float_dst
;
2137 float_src
= container_of(src
, struct bt_ctf_field_floating_point
,
2139 float_dst
= container_of(dst
, struct bt_ctf_field_floating_point
,
2142 memcpy(&float_dst
->definition
, &float_src
->definition
,
2143 sizeof(struct definition_float
));
2144 memcpy(&float_dst
->sign
, &float_src
->sign
,
2145 sizeof(struct definition_integer
));
2146 memcpy(&float_dst
->mantissa
, &float_src
->mantissa
,
2147 sizeof(struct definition_integer
));
2148 memcpy(&float_dst
->exp
, &float_src
->exp
,
2149 sizeof(struct definition_integer
));
2154 int bt_ctf_field_structure_copy(struct bt_ctf_field
*src
,
2155 struct bt_ctf_field
*dst
)
2158 struct bt_ctf_field_structure
*struct_src
, *struct_dst
;
2160 struct_src
= container_of(src
, struct bt_ctf_field_structure
, parent
);
2161 struct_dst
= container_of(dst
, struct bt_ctf_field_structure
, parent
);
2163 /* This field_name_to_index HT is owned by the structure field type */
2164 struct_dst
->field_name_to_index
= struct_src
->field_name_to_index
;
2165 g_ptr_array_set_size(struct_dst
->fields
, struct_src
->fields
->len
);
2167 for (i
= 0; i
< struct_src
->fields
->len
; i
++) {
2168 struct bt_ctf_field
*field
=
2169 g_ptr_array_index(struct_src
->fields
, i
);
2170 struct bt_ctf_field
*field_copy
= NULL
;
2173 field_copy
= bt_ctf_field_copy(field
);
2181 g_ptr_array_index(struct_dst
->fields
, i
) = field_copy
;
2188 int bt_ctf_field_variant_copy(struct bt_ctf_field
*src
,
2189 struct bt_ctf_field
*dst
)
2192 struct bt_ctf_field_variant
*variant_src
, *variant_dst
;
2194 variant_src
= container_of(src
, struct bt_ctf_field_variant
, parent
);
2195 variant_dst
= container_of(dst
, struct bt_ctf_field_variant
, parent
);
2197 if (variant_src
->tag
) {
2198 variant_dst
->tag
= bt_ctf_field_copy(variant_src
->tag
);
2199 if (!variant_dst
->tag
) {
2204 if (variant_src
->payload
) {
2205 variant_dst
->payload
= bt_ctf_field_copy(variant_src
->payload
);
2206 if (!variant_dst
->payload
) {
2216 int bt_ctf_field_array_copy(struct bt_ctf_field
*src
,
2217 struct bt_ctf_field
*dst
)
2220 struct bt_ctf_field_array
*array_src
, *array_dst
;
2222 array_src
= container_of(src
, struct bt_ctf_field_array
, parent
);
2223 array_dst
= container_of(dst
, struct bt_ctf_field_array
, parent
);
2225 g_ptr_array_set_size(array_dst
->elements
, array_src
->elements
->len
);
2226 for (i
= 0; i
< array_src
->elements
->len
; i
++) {
2227 struct bt_ctf_field
*field
=
2228 g_ptr_array_index(array_src
->elements
, i
);
2229 struct bt_ctf_field
*field_copy
= NULL
;
2232 field_copy
= bt_ctf_field_copy(field
);
2240 g_ptr_array_index(array_dst
->elements
, i
) = field_copy
;
2247 int bt_ctf_field_sequence_copy(struct bt_ctf_field
*src
,
2248 struct bt_ctf_field
*dst
)
2251 struct bt_ctf_field_sequence
*sequence_src
, *sequence_dst
;
2252 struct bt_ctf_field
*src_length
;
2253 struct bt_ctf_field
*dst_length
;
2255 sequence_src
= container_of(src
, struct bt_ctf_field_sequence
, parent
);
2256 sequence_dst
= container_of(dst
, struct bt_ctf_field_sequence
, parent
);
2258 src_length
= bt_ctf_field_sequence_get_length(src
);
2261 /* no length set yet: keep destination sequence empty */
2265 /* copy source length */
2266 dst_length
= bt_ctf_field_copy(src_length
);
2274 /* this will initialize the destination sequence's internal array */
2275 ret
= bt_ctf_field_sequence_set_length(dst
, dst_length
);
2282 assert(sequence_dst
->elements
->len
== sequence_src
->elements
->len
);
2284 for (i
= 0; i
< sequence_src
->elements
->len
; i
++) {
2285 struct bt_ctf_field
*field
=
2286 g_ptr_array_index(sequence_src
->elements
, i
);
2287 struct bt_ctf_field
*field_copy
= NULL
;
2290 field_copy
= bt_ctf_field_copy(field
);
2298 g_ptr_array_index(sequence_dst
->elements
, i
) = field_copy
;
2305 int bt_ctf_field_string_copy(struct bt_ctf_field
*src
,
2306 struct bt_ctf_field
*dst
)
2309 struct bt_ctf_field_string
*string_src
, *string_dst
;
2311 string_src
= container_of(src
, struct bt_ctf_field_string
, parent
);
2312 string_dst
= container_of(dst
, struct bt_ctf_field_string
, parent
);
2314 if (string_src
->payload
) {
2315 string_dst
->payload
= g_string_new(string_src
->payload
->str
);
2316 if (!string_dst
->payload
) {
2326 int increase_packet_size(struct ctf_stream_pos
*pos
)
2331 ret
= munmap_align(pos
->base_mma
);
2336 pos
->packet_size
+= PACKET_LEN_INCREMENT
;
2338 ret
= bt_posix_fallocate(pos
->fd
, pos
->mmap_offset
,
2339 pos
->packet_size
/ CHAR_BIT
);
2340 } while (ret
== EINTR
);
2347 pos
->base_mma
= mmap_align(pos
->packet_size
/ CHAR_BIT
, pos
->prot
,
2348 pos
->flags
, pos
->fd
, pos
->mmap_offset
);
2349 if (pos
->base_mma
== MAP_FAILED
) {
2357 void generic_field_freeze(struct bt_ctf_field
*field
)
2363 void bt_ctf_field_enumeration_freeze(struct bt_ctf_field
*field
)
2365 struct bt_ctf_field_enumeration
*enum_field
=
2366 container_of(field
, struct bt_ctf_field_enumeration
, parent
);
2368 bt_ctf_field_freeze(enum_field
->payload
);
2369 generic_field_freeze(field
);
2373 void bt_ctf_field_structure_freeze(struct bt_ctf_field
*field
)
2376 struct bt_ctf_field_structure
*structure_field
=
2377 container_of(field
, struct bt_ctf_field_structure
, parent
);
2379 for (i
= 0; i
< structure_field
->fields
->len
; i
++) {
2380 struct bt_ctf_field
*field
=
2381 g_ptr_array_index(structure_field
->fields
, i
);
2383 bt_ctf_field_freeze(field
);
2386 generic_field_freeze(field
);
2390 void bt_ctf_field_variant_freeze(struct bt_ctf_field
*field
)
2392 struct bt_ctf_field_variant
*variant_field
=
2393 container_of(field
, struct bt_ctf_field_variant
, parent
);
2395 bt_ctf_field_freeze(variant_field
->tag
);
2396 bt_ctf_field_freeze(variant_field
->payload
);
2397 generic_field_freeze(field
);
2401 void bt_ctf_field_array_freeze(struct bt_ctf_field
*field
)
2404 struct bt_ctf_field_array
*array_field
=
2405 container_of(field
, struct bt_ctf_field_array
, parent
);
2407 for (i
= 0; i
< array_field
->elements
->len
; i
++) {
2408 struct bt_ctf_field
*field
=
2409 g_ptr_array_index(array_field
->elements
, i
);
2411 bt_ctf_field_freeze(field
);
2414 generic_field_freeze(field
);
2418 void bt_ctf_field_sequence_freeze(struct bt_ctf_field
*field
)
2421 struct bt_ctf_field_sequence
*sequence_field
=
2422 container_of(field
, struct bt_ctf_field_sequence
, parent
);
2424 bt_ctf_field_freeze(sequence_field
->length
);
2426 for (i
= 0; i
< sequence_field
->elements
->len
; i
++) {
2427 struct bt_ctf_field
*field
=
2428 g_ptr_array_index(sequence_field
->elements
, i
);
2430 bt_ctf_field_freeze(field
);
2433 generic_field_freeze(field
);
2437 void bt_ctf_field_freeze(struct bt_ctf_field
*field
)
2439 enum bt_ctf_type_id type_id
;
2445 type_id
= bt_ctf_field_get_type_id(field
);
2446 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
||
2447 type_id
>= BT_CTF_NR_TYPE_IDS
) {
2451 field_freeze_funcs
[type_id
](field
);
2457 bool bt_ctf_field_generic_is_set(struct bt_ctf_field
*field
)
2459 return field
&& field
->payload_set
;
2463 bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field
*field
)
2465 bool is_set
= false;
2466 struct bt_ctf_field_enumeration
*enumeration
;
2472 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
2474 if (!enumeration
->payload
) {
2478 is_set
= bt_ctf_field_is_set(enumeration
->payload
);
2484 bool bt_ctf_field_structure_is_set(struct bt_ctf_field
*field
)
2486 bool is_set
= false;
2488 struct bt_ctf_field_structure
*structure
;
2494 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
2495 for (i
= 0; i
< structure
->fields
->len
; i
++) {
2496 is_set
= bt_ctf_field_is_set(structure
->fields
->pdata
[i
]);
2506 bool bt_ctf_field_variant_is_set(struct bt_ctf_field
*field
)
2508 bool is_set
= false;
2509 struct bt_ctf_field_variant
*variant
;
2515 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
2516 is_set
= bt_ctf_field_is_set(variant
->payload
);
2522 bool bt_ctf_field_array_is_set(struct bt_ctf_field
*field
)
2525 bool is_set
= false;
2526 struct bt_ctf_field_array
*array
;
2532 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
2533 for (i
= 0; i
< array
->elements
->len
; i
++) {
2534 is_set
= bt_ctf_field_is_set(array
->elements
->pdata
[i
]);
2544 bool bt_ctf_field_sequence_is_set(struct bt_ctf_field
*field
)
2547 bool is_set
= false;
2548 struct bt_ctf_field_sequence
*sequence
;
2554 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
2555 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
2556 is_set
= bt_ctf_field_validate(sequence
->elements
->pdata
[i
]);