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_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
*enumeration_type
= 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
);
891 enumeration_type
= container_of(field
->type
,
892 struct bt_ctf_field_type_enumeration
, parent
);
894 if (!integer_type
->declaration
.signedness
) {
896 ret
= bt_ctf_field_unsigned_integer_get_value(container
,
899 goto error_put_container_type
;
902 name
= bt_ctf_field_type_enumeration_get_mapping_name_unsigned(
903 enumeration_type
, value
);
906 ret
= bt_ctf_field_signed_integer_get_value(container
,
909 goto error_put_container_type
;
912 name
= bt_ctf_field_type_enumeration_get_mapping_name_signed(
913 enumeration_type
, value
);
916 error_put_container_type
:
917 bt_put(container_type
);
924 int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field
*field
,
928 struct bt_ctf_field_integer
*integer
;
929 struct bt_ctf_field_type_integer
*integer_type
;
931 if (!field
|| !value
|| !field
->payload_set
||
932 bt_ctf_field_type_get_type_id(field
->type
) !=
933 BT_CTF_TYPE_ID_INTEGER
) {
938 integer_type
= container_of(field
->type
,
939 struct bt_ctf_field_type_integer
, parent
);
940 if (!integer_type
->declaration
.signedness
) {
945 integer
= container_of(field
,
946 struct bt_ctf_field_integer
, parent
);
947 *value
= integer
->definition
.value
._signed
;
952 int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field
*field
,
956 struct bt_ctf_field_integer
*integer
;
957 struct bt_ctf_field_type_integer
*integer_type
;
959 int64_t min_value
, max_value
;
961 if (!field
|| field
->frozen
||
962 bt_ctf_field_type_get_type_id(field
->type
) !=
963 BT_CTF_TYPE_ID_INTEGER
) {
968 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
969 integer_type
= container_of(field
->type
,
970 struct bt_ctf_field_type_integer
, parent
);
971 if (!integer_type
->declaration
.signedness
) {
976 size
= integer_type
->declaration
.len
;
977 min_value
= -(1ULL << (size
- 1));
978 max_value
= (1ULL << (size
- 1)) - 1;
979 if (value
< min_value
|| value
> max_value
) {
984 integer
->definition
.value
._signed
= value
;
985 integer
->parent
.payload_set
= 1;
990 int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field
*field
,
994 struct bt_ctf_field_integer
*integer
;
995 struct bt_ctf_field_type_integer
*integer_type
;
997 if (!field
|| !value
|| !field
->payload_set
||
998 bt_ctf_field_type_get_type_id(field
->type
) !=
999 BT_CTF_TYPE_ID_INTEGER
) {
1004 integer_type
= container_of(field
->type
,
1005 struct bt_ctf_field_type_integer
, parent
);
1006 if (integer_type
->declaration
.signedness
) {
1011 integer
= container_of(field
,
1012 struct bt_ctf_field_integer
, parent
);
1013 *value
= integer
->definition
.value
._unsigned
;
1018 int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field
*field
,
1022 struct bt_ctf_field_integer
*integer
;
1023 struct bt_ctf_field_type_integer
*integer_type
;
1027 if (!field
|| field
->frozen
||
1028 bt_ctf_field_type_get_type_id(field
->type
) !=
1029 BT_CTF_TYPE_ID_INTEGER
) {
1034 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
1035 integer_type
= container_of(field
->type
,
1036 struct bt_ctf_field_type_integer
, parent
);
1037 if (integer_type
->declaration
.signedness
) {
1042 size
= integer_type
->declaration
.len
;
1043 max_value
= (size
== 64) ? UINT64_MAX
: ((uint64_t) 1 << size
) - 1;
1044 if (value
> max_value
) {
1049 integer
->definition
.value
._unsigned
= value
;
1050 integer
->parent
.payload_set
= 1;
1055 int bt_ctf_field_floating_point_get_value(struct bt_ctf_field
*field
,
1059 struct bt_ctf_field_floating_point
*floating_point
;
1061 if (!field
|| !value
|| !field
->payload_set
||
1062 bt_ctf_field_type_get_type_id(field
->type
) !=
1063 BT_CTF_TYPE_ID_FLOAT
) {
1068 floating_point
= container_of(field
,
1069 struct bt_ctf_field_floating_point
, parent
);
1070 *value
= floating_point
->definition
.value
;
1075 int bt_ctf_field_floating_point_set_value(struct bt_ctf_field
*field
,
1079 struct bt_ctf_field_floating_point
*floating_point
;
1081 if (!field
|| field
->frozen
||
1082 bt_ctf_field_type_get_type_id(field
->type
) !=
1083 BT_CTF_TYPE_ID_FLOAT
) {
1087 floating_point
= container_of(field
, struct bt_ctf_field_floating_point
,
1089 floating_point
->definition
.value
= value
;
1090 floating_point
->parent
.payload_set
= 1;
1095 const char *bt_ctf_field_string_get_value(struct bt_ctf_field
*field
)
1097 const char *ret
= NULL
;
1098 struct bt_ctf_field_string
*string
;
1100 if (!field
|| !field
->payload_set
||
1101 bt_ctf_field_type_get_type_id(field
->type
) !=
1102 BT_CTF_TYPE_ID_STRING
) {
1106 string
= container_of(field
,
1107 struct bt_ctf_field_string
, parent
);
1108 ret
= string
->payload
->str
;
1113 int bt_ctf_field_string_set_value(struct bt_ctf_field
*field
,
1117 struct bt_ctf_field_string
*string
;
1119 if (!field
|| !value
|| field
->frozen
||
1120 bt_ctf_field_type_get_type_id(field
->type
) !=
1121 BT_CTF_TYPE_ID_STRING
) {
1126 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1127 if (string
->payload
) {
1128 g_string_assign(string
->payload
, value
);
1130 string
->payload
= g_string_new(value
);
1133 string
->parent
.payload_set
= 1;
1138 int bt_ctf_field_string_append(struct bt_ctf_field
*field
,
1142 struct bt_ctf_field_string
*string_field
;
1144 if (!field
|| !value
|| field
->frozen
||
1145 bt_ctf_field_type_get_type_id(field
->type
) !=
1146 BT_CTF_TYPE_ID_STRING
) {
1151 string_field
= container_of(field
, struct bt_ctf_field_string
, parent
);
1153 if (string_field
->payload
) {
1154 g_string_append(string_field
->payload
, value
);
1156 string_field
->payload
= g_string_new(value
);
1159 string_field
->parent
.payload_set
= 1;
1165 int bt_ctf_field_string_append_len(struct bt_ctf_field
*field
,
1166 const char *value
, unsigned int length
)
1170 unsigned int effective_length
= length
;
1171 struct bt_ctf_field_string
*string_field
;
1173 if (!field
|| !value
|| field
->frozen
||
1174 bt_ctf_field_type_get_type_id(field
->type
) !=
1175 BT_CTF_TYPE_ID_STRING
) {
1180 string_field
= container_of(field
, struct bt_ctf_field_string
, parent
);
1182 /* make sure no null bytes are appended */
1183 for (i
= 0; i
< length
; ++i
) {
1184 if (value
[i
] == '\0') {
1185 effective_length
= i
;
1190 if (string_field
->payload
) {
1191 g_string_append_len(string_field
->payload
, value
,
1194 string_field
->payload
= g_string_new_len(value
,
1198 string_field
->parent
.payload_set
= 1;
1205 int bt_ctf_field_validate(struct bt_ctf_field
*field
)
1208 enum bt_ctf_type_id type_id
;
1215 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1216 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1221 ret
= field_validate_funcs
[type_id
](field
);
1227 int bt_ctf_field_reset(struct bt_ctf_field
*field
)
1230 enum bt_ctf_type_id type_id
;
1237 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1238 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1243 ret
= field_reset_funcs
[type_id
](field
);
1249 int bt_ctf_field_serialize(struct bt_ctf_field
*field
,
1250 struct ctf_stream_pos
*pos
)
1253 enum bt_ctf_type_id type_id
;
1255 if (!field
|| !pos
) {
1260 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1261 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1266 ret
= field_serialize_funcs
[type_id
](field
, pos
);
1273 bool bt_ctf_field_is_set(struct bt_ctf_field
*field
)
1275 bool is_set
= false;
1276 enum bt_ctf_type_id type_id
;
1282 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1283 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1287 is_set
= field_is_set_funcs
[type_id
](field
);
1292 struct bt_ctf_field
*bt_ctf_field_copy(struct bt_ctf_field
*field
)
1295 struct bt_ctf_field
*copy
= NULL
;
1296 enum bt_ctf_type_id type_id
;
1302 type_id
= bt_ctf_field_type_get_type_id(field
->type
);
1303 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
|| type_id
>= BT_CTF_NR_TYPE_IDS
) {
1307 copy
= bt_ctf_field_create(field
->type
);
1312 copy
->payload_set
= field
->payload_set
;
1313 ret
= field_copy_funcs
[type_id
](field
, copy
);
1323 struct bt_ctf_field
*bt_ctf_field_integer_create(struct bt_ctf_field_type
*type
)
1325 struct bt_ctf_field_type_integer
*integer_type
= container_of(type
,
1326 struct bt_ctf_field_type_integer
, parent
);
1327 struct bt_ctf_field_integer
*integer
= g_new0(
1328 struct bt_ctf_field_integer
, 1);
1331 integer
->definition
.declaration
= &integer_type
->declaration
;
1334 return integer
? &integer
->parent
: NULL
;
1338 struct bt_ctf_field
*bt_ctf_field_enumeration_create(
1339 struct bt_ctf_field_type
*type
)
1341 struct bt_ctf_field_enumeration
*enumeration
= g_new0(
1342 struct bt_ctf_field_enumeration
, 1);
1344 return enumeration
? &enumeration
->parent
: NULL
;
1348 struct bt_ctf_field
*bt_ctf_field_floating_point_create(
1349 struct bt_ctf_field_type
*type
)
1351 struct bt_ctf_field_floating_point
*floating_point
;
1352 struct bt_ctf_field_type_floating_point
*floating_point_type
;
1354 floating_point
= g_new0(struct bt_ctf_field_floating_point
, 1);
1355 if (!floating_point
) {
1359 floating_point_type
= container_of(type
,
1360 struct bt_ctf_field_type_floating_point
, parent
);
1361 floating_point
->definition
.declaration
= container_of(
1362 type
->declaration
, struct declaration_float
, p
);
1365 floating_point
->definition
.sign
= &floating_point
->sign
;
1366 floating_point
->sign
.declaration
= &floating_point_type
->sign
;
1367 floating_point
->definition
.sign
->p
.declaration
=
1368 &floating_point_type
->sign
.p
;
1370 floating_point
->definition
.mantissa
= &floating_point
->mantissa
;
1371 floating_point
->mantissa
.declaration
= &floating_point_type
->mantissa
;
1372 floating_point
->definition
.mantissa
->p
.declaration
=
1373 &floating_point_type
->mantissa
.p
;
1375 floating_point
->definition
.exp
= &floating_point
->exp
;
1376 floating_point
->exp
.declaration
= &floating_point_type
->exp
;
1377 floating_point
->definition
.exp
->p
.declaration
=
1378 &floating_point_type
->exp
.p
;
1381 return floating_point
? &floating_point
->parent
: NULL
;
1385 struct bt_ctf_field
*bt_ctf_field_structure_create(
1386 struct bt_ctf_field_type
*type
)
1388 struct bt_ctf_field_type_structure
*structure_type
= container_of(type
,
1389 struct bt_ctf_field_type_structure
, parent
);
1390 struct bt_ctf_field_structure
*structure
= g_new0(
1391 struct bt_ctf_field_structure
, 1);
1392 struct bt_ctf_field
*field
= NULL
;
1398 structure
->field_name_to_index
= structure_type
->field_name_to_index
;
1399 structure
->fields
= g_ptr_array_new_with_free_func(
1400 (GDestroyNotify
)bt_ctf_field_put
);
1401 g_ptr_array_set_size(structure
->fields
,
1402 g_hash_table_size(structure
->field_name_to_index
));
1403 field
= &structure
->parent
;
1409 struct bt_ctf_field
*bt_ctf_field_variant_create(struct bt_ctf_field_type
*type
)
1411 struct bt_ctf_field_variant
*variant
= g_new0(
1412 struct bt_ctf_field_variant
, 1);
1413 return variant
? &variant
->parent
: NULL
;
1417 struct bt_ctf_field
*bt_ctf_field_array_create(struct bt_ctf_field_type
*type
)
1419 struct bt_ctf_field_array
*array
= g_new0(struct bt_ctf_field_array
, 1);
1420 struct bt_ctf_field_type_array
*array_type
;
1421 unsigned int array_length
;
1423 if (!array
|| !type
) {
1427 array_type
= container_of(type
, struct bt_ctf_field_type_array
, parent
);
1428 array_length
= array_type
->length
;
1429 array
->elements
= g_ptr_array_sized_new(array_length
);
1430 if (!array
->elements
) {
1434 g_ptr_array_set_free_func(array
->elements
,
1435 (GDestroyNotify
)bt_ctf_field_put
);
1436 g_ptr_array_set_size(array
->elements
, array_length
);
1437 return &array
->parent
;
1444 struct bt_ctf_field
*bt_ctf_field_sequence_create(
1445 struct bt_ctf_field_type
*type
)
1447 struct bt_ctf_field_sequence
*sequence
= g_new0(
1448 struct bt_ctf_field_sequence
, 1);
1449 return sequence
? &sequence
->parent
: NULL
;
1453 struct bt_ctf_field
*bt_ctf_field_string_create(struct bt_ctf_field_type
*type
)
1455 struct bt_ctf_field_string
*string
= g_new0(
1456 struct bt_ctf_field_string
, 1);
1457 return string
? &string
->parent
: NULL
;
1461 void bt_ctf_field_destroy(struct bt_object
*obj
)
1463 struct bt_ctf_field
*field
;
1464 struct bt_ctf_field_type
*type
;
1465 enum bt_ctf_type_id type_id
;
1467 field
= container_of(obj
, struct bt_ctf_field
, base
);
1469 type_id
= bt_ctf_field_type_get_type_id(type
);
1470 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
||
1471 type_id
>= BT_CTF_NR_TYPE_IDS
) {
1475 field_destroy_funcs
[type_id
](field
);
1480 void bt_ctf_field_integer_destroy(struct bt_ctf_field
*field
)
1482 struct bt_ctf_field_integer
*integer
;
1488 integer
= container_of(field
, struct bt_ctf_field_integer
, parent
);
1493 void bt_ctf_field_enumeration_destroy(struct bt_ctf_field
*field
)
1495 struct bt_ctf_field_enumeration
*enumeration
;
1501 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1503 bt_put(enumeration
->payload
);
1504 g_free(enumeration
);
1508 void bt_ctf_field_floating_point_destroy(struct bt_ctf_field
*field
)
1510 struct bt_ctf_field_floating_point
*floating_point
;
1516 floating_point
= container_of(field
, struct bt_ctf_field_floating_point
,
1518 g_free(floating_point
);
1522 void bt_ctf_field_structure_destroy(struct bt_ctf_field
*field
)
1524 struct bt_ctf_field_structure
*structure
;
1530 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1531 g_ptr_array_free(structure
->fields
, TRUE
);
1536 void bt_ctf_field_variant_destroy(struct bt_ctf_field
*field
)
1538 struct bt_ctf_field_variant
*variant
;
1544 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1545 bt_put(variant
->tag
);
1546 bt_put(variant
->payload
);
1551 void bt_ctf_field_array_destroy(struct bt_ctf_field
*field
)
1553 struct bt_ctf_field_array
*array
;
1559 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1560 g_ptr_array_free(array
->elements
, TRUE
);
1565 void bt_ctf_field_sequence_destroy(struct bt_ctf_field
*field
)
1567 struct bt_ctf_field_sequence
*sequence
;
1573 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1574 if (sequence
->elements
) {
1575 g_ptr_array_free(sequence
->elements
, TRUE
);
1577 bt_put(sequence
->length
);
1582 void bt_ctf_field_string_destroy(struct bt_ctf_field
*field
)
1584 struct bt_ctf_field_string
*string
;
1589 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1590 if (string
->payload
) {
1591 g_string_free(string
->payload
, TRUE
);
1597 int bt_ctf_field_generic_validate(struct bt_ctf_field
*field
)
1599 return (field
&& field
->payload_set
) ? 0 : -1;
1603 int bt_ctf_field_enumeration_validate(struct bt_ctf_field
*field
)
1606 struct bt_ctf_field_enumeration
*enumeration
;
1613 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1615 if (!enumeration
->payload
) {
1620 ret
= bt_ctf_field_validate(enumeration
->payload
);
1626 int bt_ctf_field_structure_validate(struct bt_ctf_field
*field
)
1630 struct bt_ctf_field_structure
*structure
;
1637 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1638 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1639 ret
= bt_ctf_field_validate(structure
->fields
->pdata
[i
]);
1642 struct bt_ctf_field_type
*field_type
=
1643 bt_ctf_field_get_type(field
);
1645 (void) bt_ctf_field_type_structure_get_field(field_type
,
1647 fprintf(stderr
, "Field %s failed validation\n",
1648 name
? name
: "NULL");
1658 int bt_ctf_field_variant_validate(struct bt_ctf_field
*field
)
1661 struct bt_ctf_field_variant
*variant
;
1668 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1669 ret
= bt_ctf_field_validate(variant
->payload
);
1675 int bt_ctf_field_array_validate(struct bt_ctf_field
*field
)
1679 struct bt_ctf_field_array
*array
;
1686 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1687 for (i
= 0; i
< array
->elements
->len
; i
++) {
1688 ret
= bt_ctf_field_validate(array
->elements
->pdata
[i
]);
1690 fprintf(stderr
, "Failed to validate array field #%zu\n", i
);
1699 int bt_ctf_field_sequence_validate(struct bt_ctf_field
*field
)
1703 struct bt_ctf_field_sequence
*sequence
;
1710 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1711 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1712 ret
= bt_ctf_field_validate(sequence
->elements
->pdata
[i
]);
1714 fprintf(stderr
, "Failed to validate sequence field #%zu\n", i
);
1723 int bt_ctf_field_generic_reset(struct bt_ctf_field
*field
)
1732 field
->payload_set
= 0;
1738 int bt_ctf_field_enumeration_reset(struct bt_ctf_field
*field
)
1741 struct bt_ctf_field_enumeration
*enumeration
;
1748 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
1750 if (!enumeration
->payload
) {
1754 ret
= bt_ctf_field_reset(enumeration
->payload
);
1760 int bt_ctf_field_structure_reset(struct bt_ctf_field
*field
)
1764 struct bt_ctf_field_structure
*structure
;
1771 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
1772 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1773 struct bt_ctf_field
*member
= structure
->fields
->pdata
[i
];
1777 * Structure members are lazily initialized; skip if
1778 * this member has not been allocated yet.
1783 ret
= bt_ctf_field_reset(member
);
1793 int bt_ctf_field_variant_reset(struct bt_ctf_field
*field
)
1796 struct bt_ctf_field_variant
*variant
;
1803 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
1804 if (variant
->payload
) {
1805 ret
= bt_ctf_field_reset(variant
->payload
);
1812 int bt_ctf_field_array_reset(struct bt_ctf_field
*field
)
1816 struct bt_ctf_field_array
*array
;
1823 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
1824 for (i
= 0; i
< array
->elements
->len
; i
++) {
1825 struct bt_ctf_field
*member
= array
->elements
->pdata
[i
];
1829 * Array elements are lazily initialized; skip if
1830 * this member has not been allocated yet.
1835 ret
= bt_ctf_field_reset(member
);
1845 int bt_ctf_field_sequence_reset(struct bt_ctf_field
*field
)
1849 struct bt_ctf_field_sequence
*sequence
;
1856 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
1857 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
1858 struct bt_ctf_field
*member
= sequence
->elements
->pdata
[i
];
1862 * Sequence elements are lazily initialized; skip if
1863 * this member has not been allocated yet.
1868 ret
= bt_ctf_field_reset(member
);
1878 int bt_ctf_field_string_reset(struct bt_ctf_field
*field
)
1881 struct bt_ctf_field_string
*string
;
1888 ret
= bt_ctf_field_generic_reset(field
);
1893 string
= container_of(field
, struct bt_ctf_field_string
, parent
);
1894 if (string
->payload
) {
1895 g_string_truncate(string
->payload
, 0);
1902 int bt_ctf_field_integer_serialize(struct bt_ctf_field
*field
,
1903 struct ctf_stream_pos
*pos
)
1906 struct bt_ctf_field_integer
*integer
= container_of(field
,
1907 struct bt_ctf_field_integer
, parent
);
1910 ret
= ctf_integer_write(&pos
->parent
, &integer
->definition
.p
);
1911 if (ret
== -EFAULT
) {
1913 * The field is too large to fit in the current packet's
1914 * remaining space. Bump the packet size and retry.
1916 ret
= increase_packet_size(pos
);
1927 int bt_ctf_field_enumeration_serialize(struct bt_ctf_field
*field
,
1928 struct ctf_stream_pos
*pos
)
1930 struct bt_ctf_field_enumeration
*enumeration
= container_of(
1931 field
, struct bt_ctf_field_enumeration
, parent
);
1933 return bt_ctf_field_serialize(enumeration
->payload
, pos
);
1937 int bt_ctf_field_floating_point_serialize(struct bt_ctf_field
*field
,
1938 struct ctf_stream_pos
*pos
)
1941 struct bt_ctf_field_floating_point
*floating_point
= container_of(field
,
1942 struct bt_ctf_field_floating_point
, parent
);
1945 ret
= ctf_float_write(&pos
->parent
, &floating_point
->definition
.p
);
1946 if (ret
== -EFAULT
) {
1948 * The field is too large to fit in the current packet's
1949 * remaining space. Bump the packet size and retry.
1951 ret
= increase_packet_size(pos
);
1962 int bt_ctf_field_structure_serialize(struct bt_ctf_field
*field
,
1963 struct ctf_stream_pos
*pos
)
1967 struct bt_ctf_field_structure
*structure
= container_of(
1968 field
, struct bt_ctf_field_structure
, parent
);
1970 while (!ctf_pos_access_ok(pos
,
1971 offset_align(pos
->offset
,
1972 field
->type
->declaration
->alignment
))) {
1973 ret
= increase_packet_size(pos
);
1979 if (!ctf_align_pos(pos
, field
->type
->declaration
->alignment
)) {
1984 for (i
= 0; i
< structure
->fields
->len
; i
++) {
1985 struct bt_ctf_field
*field
= g_ptr_array_index(
1986 structure
->fields
, i
);
1988 ret
= bt_ctf_field_serialize(field
, pos
);
1991 struct bt_ctf_field_type
*field_type
=
1992 bt_ctf_field_get_type(field
);
1994 (void) bt_ctf_field_type_structure_get_field(field_type
,
1996 fprintf(stderr
, "Field %s failed to serialize\n",
1997 name
? name
: "NULL");
2007 int bt_ctf_field_variant_serialize(struct bt_ctf_field
*field
,
2008 struct ctf_stream_pos
*pos
)
2010 struct bt_ctf_field_variant
*variant
= container_of(
2011 field
, struct bt_ctf_field_variant
, parent
);
2013 return bt_ctf_field_serialize(variant
->payload
, pos
);
2017 int bt_ctf_field_array_serialize(struct bt_ctf_field
*field
,
2018 struct ctf_stream_pos
*pos
)
2022 struct bt_ctf_field_array
*array
= container_of(
2023 field
, struct bt_ctf_field_array
, parent
);
2025 for (i
= 0; i
< array
->elements
->len
; i
++) {
2026 ret
= bt_ctf_field_serialize(
2027 g_ptr_array_index(array
->elements
, i
), pos
);
2029 fprintf(stderr
, "Failed to serialize array element #%zu\n", i
);
2038 int bt_ctf_field_sequence_serialize(struct bt_ctf_field
*field
,
2039 struct ctf_stream_pos
*pos
)
2043 struct bt_ctf_field_sequence
*sequence
= container_of(
2044 field
, struct bt_ctf_field_sequence
, parent
);
2046 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
2047 ret
= bt_ctf_field_serialize(
2048 g_ptr_array_index(sequence
->elements
, i
), pos
);
2050 fprintf(stderr
, "Failed to serialize sequence element #%zu\n", i
);
2059 int bt_ctf_field_string_serialize(struct bt_ctf_field
*field
,
2060 struct ctf_stream_pos
*pos
)
2064 struct bt_ctf_field_string
*string
= container_of(field
,
2065 struct bt_ctf_field_string
, parent
);
2066 struct bt_ctf_field_type
*character_type
=
2067 get_field_type(FIELD_TYPE_ALIAS_UINT8_T
);
2068 struct bt_ctf_field
*character
= bt_ctf_field_create(character_type
);
2070 for (i
= 0; i
< string
->payload
->len
+ 1; i
++) {
2071 ret
= bt_ctf_field_unsigned_integer_set_value(character
,
2072 (uint64_t) string
->payload
->str
[i
]);
2077 ret
= bt_ctf_field_integer_serialize(character
, pos
);
2084 bt_put(character_type
);
2089 int bt_ctf_field_integer_copy(struct bt_ctf_field
*src
,
2090 struct bt_ctf_field
*dst
)
2092 struct bt_ctf_field_integer
*integer_src
, *integer_dst
;
2094 integer_src
= container_of(src
, struct bt_ctf_field_integer
, parent
);
2095 integer_dst
= container_of(dst
, struct bt_ctf_field_integer
, parent
);
2097 memcpy(&integer_dst
->definition
, &integer_src
->definition
,
2098 sizeof(struct definition_integer
));
2103 int bt_ctf_field_enumeration_copy(struct bt_ctf_field
*src
,
2104 struct bt_ctf_field
*dst
)
2107 struct bt_ctf_field_enumeration
*enum_src
, *enum_dst
;
2109 enum_src
= container_of(src
, struct bt_ctf_field_enumeration
, parent
);
2110 enum_dst
= container_of(dst
, struct bt_ctf_field_enumeration
, parent
);
2112 if (enum_src
->payload
) {
2113 enum_dst
->payload
= bt_ctf_field_copy(enum_src
->payload
);
2114 if (!enum_dst
->payload
) {
2124 int bt_ctf_field_floating_point_copy(
2125 struct bt_ctf_field
*src
, struct bt_ctf_field
*dst
)
2127 struct bt_ctf_field_floating_point
*float_src
, *float_dst
;
2129 float_src
= container_of(src
, struct bt_ctf_field_floating_point
,
2131 float_dst
= container_of(dst
, struct bt_ctf_field_floating_point
,
2134 memcpy(&float_dst
->definition
, &float_src
->definition
,
2135 sizeof(struct definition_float
));
2136 memcpy(&float_dst
->sign
, &float_src
->sign
,
2137 sizeof(struct definition_integer
));
2138 memcpy(&float_dst
->mantissa
, &float_src
->mantissa
,
2139 sizeof(struct definition_integer
));
2140 memcpy(&float_dst
->exp
, &float_src
->exp
,
2141 sizeof(struct definition_integer
));
2146 int bt_ctf_field_structure_copy(struct bt_ctf_field
*src
,
2147 struct bt_ctf_field
*dst
)
2150 struct bt_ctf_field_structure
*struct_src
, *struct_dst
;
2152 struct_src
= container_of(src
, struct bt_ctf_field_structure
, parent
);
2153 struct_dst
= container_of(dst
, struct bt_ctf_field_structure
, parent
);
2155 /* This field_name_to_index HT is owned by the structure field type */
2156 struct_dst
->field_name_to_index
= struct_src
->field_name_to_index
;
2157 g_ptr_array_set_size(struct_dst
->fields
, struct_src
->fields
->len
);
2159 for (i
= 0; i
< struct_src
->fields
->len
; i
++) {
2160 struct bt_ctf_field
*field
=
2161 g_ptr_array_index(struct_src
->fields
, i
);
2162 struct bt_ctf_field
*field_copy
= NULL
;
2165 field_copy
= bt_ctf_field_copy(field
);
2173 g_ptr_array_index(struct_dst
->fields
, i
) = field_copy
;
2180 int bt_ctf_field_variant_copy(struct bt_ctf_field
*src
,
2181 struct bt_ctf_field
*dst
)
2184 struct bt_ctf_field_variant
*variant_src
, *variant_dst
;
2186 variant_src
= container_of(src
, struct bt_ctf_field_variant
, parent
);
2187 variant_dst
= container_of(dst
, struct bt_ctf_field_variant
, parent
);
2189 if (variant_src
->tag
) {
2190 variant_dst
->tag
= bt_ctf_field_copy(variant_src
->tag
);
2191 if (!variant_dst
->tag
) {
2196 if (variant_src
->payload
) {
2197 variant_dst
->payload
= bt_ctf_field_copy(variant_src
->payload
);
2198 if (!variant_dst
->payload
) {
2208 int bt_ctf_field_array_copy(struct bt_ctf_field
*src
,
2209 struct bt_ctf_field
*dst
)
2212 struct bt_ctf_field_array
*array_src
, *array_dst
;
2214 array_src
= container_of(src
, struct bt_ctf_field_array
, parent
);
2215 array_dst
= container_of(dst
, struct bt_ctf_field_array
, parent
);
2217 g_ptr_array_set_size(array_dst
->elements
, array_src
->elements
->len
);
2218 for (i
= 0; i
< array_src
->elements
->len
; i
++) {
2219 struct bt_ctf_field
*field
=
2220 g_ptr_array_index(array_src
->elements
, i
);
2221 struct bt_ctf_field
*field_copy
= NULL
;
2224 field_copy
= bt_ctf_field_copy(field
);
2232 g_ptr_array_index(array_dst
->elements
, i
) = field_copy
;
2239 int bt_ctf_field_sequence_copy(struct bt_ctf_field
*src
,
2240 struct bt_ctf_field
*dst
)
2243 struct bt_ctf_field_sequence
*sequence_src
, *sequence_dst
;
2244 struct bt_ctf_field
*src_length
;
2245 struct bt_ctf_field
*dst_length
;
2247 sequence_src
= container_of(src
, struct bt_ctf_field_sequence
, parent
);
2248 sequence_dst
= container_of(dst
, struct bt_ctf_field_sequence
, parent
);
2250 src_length
= bt_ctf_field_sequence_get_length(src
);
2253 /* no length set yet: keep destination sequence empty */
2257 /* copy source length */
2258 dst_length
= bt_ctf_field_copy(src_length
);
2266 /* this will initialize the destination sequence's internal array */
2267 ret
= bt_ctf_field_sequence_set_length(dst
, dst_length
);
2274 assert(sequence_dst
->elements
->len
== sequence_src
->elements
->len
);
2276 for (i
= 0; i
< sequence_src
->elements
->len
; i
++) {
2277 struct bt_ctf_field
*field
=
2278 g_ptr_array_index(sequence_src
->elements
, i
);
2279 struct bt_ctf_field
*field_copy
= NULL
;
2282 field_copy
= bt_ctf_field_copy(field
);
2290 g_ptr_array_index(sequence_dst
->elements
, i
) = field_copy
;
2297 int bt_ctf_field_string_copy(struct bt_ctf_field
*src
,
2298 struct bt_ctf_field
*dst
)
2301 struct bt_ctf_field_string
*string_src
, *string_dst
;
2303 string_src
= container_of(src
, struct bt_ctf_field_string
, parent
);
2304 string_dst
= container_of(dst
, struct bt_ctf_field_string
, parent
);
2306 if (string_src
->payload
) {
2307 string_dst
->payload
= g_string_new(string_src
->payload
->str
);
2308 if (!string_dst
->payload
) {
2318 int increase_packet_size(struct ctf_stream_pos
*pos
)
2323 ret
= munmap_align(pos
->base_mma
);
2328 pos
->packet_size
+= PACKET_LEN_INCREMENT
;
2330 ret
= bt_posix_fallocate(pos
->fd
, pos
->mmap_offset
,
2331 pos
->packet_size
/ CHAR_BIT
);
2332 } while (ret
== EINTR
);
2339 pos
->base_mma
= mmap_align(pos
->packet_size
/ CHAR_BIT
, pos
->prot
,
2340 pos
->flags
, pos
->fd
, pos
->mmap_offset
);
2341 if (pos
->base_mma
== MAP_FAILED
) {
2349 void generic_field_freeze(struct bt_ctf_field
*field
)
2355 void bt_ctf_field_enumeration_freeze(struct bt_ctf_field
*field
)
2357 struct bt_ctf_field_enumeration
*enum_field
=
2358 container_of(field
, struct bt_ctf_field_enumeration
, parent
);
2360 bt_ctf_field_freeze(enum_field
->payload
);
2361 generic_field_freeze(field
);
2365 void bt_ctf_field_structure_freeze(struct bt_ctf_field
*field
)
2368 struct bt_ctf_field_structure
*structure_field
=
2369 container_of(field
, struct bt_ctf_field_structure
, parent
);
2371 for (i
= 0; i
< structure_field
->fields
->len
; i
++) {
2372 struct bt_ctf_field
*field
=
2373 g_ptr_array_index(structure_field
->fields
, i
);
2375 bt_ctf_field_freeze(field
);
2378 generic_field_freeze(field
);
2382 void bt_ctf_field_variant_freeze(struct bt_ctf_field
*field
)
2384 struct bt_ctf_field_variant
*variant_field
=
2385 container_of(field
, struct bt_ctf_field_variant
, parent
);
2387 bt_ctf_field_freeze(variant_field
->tag
);
2388 bt_ctf_field_freeze(variant_field
->payload
);
2389 generic_field_freeze(field
);
2393 void bt_ctf_field_array_freeze(struct bt_ctf_field
*field
)
2396 struct bt_ctf_field_array
*array_field
=
2397 container_of(field
, struct bt_ctf_field_array
, parent
);
2399 for (i
= 0; i
< array_field
->elements
->len
; i
++) {
2400 struct bt_ctf_field
*field
=
2401 g_ptr_array_index(array_field
->elements
, i
);
2403 bt_ctf_field_freeze(field
);
2406 generic_field_freeze(field
);
2410 void bt_ctf_field_sequence_freeze(struct bt_ctf_field
*field
)
2413 struct bt_ctf_field_sequence
*sequence_field
=
2414 container_of(field
, struct bt_ctf_field_sequence
, parent
);
2416 bt_ctf_field_freeze(sequence_field
->length
);
2418 for (i
= 0; i
< sequence_field
->elements
->len
; i
++) {
2419 struct bt_ctf_field
*field
=
2420 g_ptr_array_index(sequence_field
->elements
, i
);
2422 bt_ctf_field_freeze(field
);
2425 generic_field_freeze(field
);
2429 void bt_ctf_field_freeze(struct bt_ctf_field
*field
)
2431 enum bt_ctf_type_id type_id
;
2437 type_id
= bt_ctf_field_get_type_id(field
);
2438 if (type_id
<= BT_CTF_TYPE_ID_UNKNOWN
||
2439 type_id
>= BT_CTF_NR_TYPE_IDS
) {
2443 field_freeze_funcs
[type_id
](field
);
2449 bool bt_ctf_field_generic_is_set(struct bt_ctf_field
*field
)
2451 return field
&& field
->payload_set
;
2455 bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field
*field
)
2457 bool is_set
= false;
2458 struct bt_ctf_field_enumeration
*enumeration
;
2464 enumeration
= container_of(field
, struct bt_ctf_field_enumeration
,
2466 if (!enumeration
->payload
) {
2470 is_set
= bt_ctf_field_is_set(enumeration
->payload
);
2476 bool bt_ctf_field_structure_is_set(struct bt_ctf_field
*field
)
2478 bool is_set
= false;
2480 struct bt_ctf_field_structure
*structure
;
2486 structure
= container_of(field
, struct bt_ctf_field_structure
, parent
);
2487 for (i
= 0; i
< structure
->fields
->len
; i
++) {
2488 is_set
= bt_ctf_field_is_set(structure
->fields
->pdata
[i
]);
2498 bool bt_ctf_field_variant_is_set(struct bt_ctf_field
*field
)
2500 bool is_set
= false;
2501 struct bt_ctf_field_variant
*variant
;
2507 variant
= container_of(field
, struct bt_ctf_field_variant
, parent
);
2508 is_set
= bt_ctf_field_is_set(variant
->payload
);
2514 bool bt_ctf_field_array_is_set(struct bt_ctf_field
*field
)
2517 bool is_set
= false;
2518 struct bt_ctf_field_array
*array
;
2524 array
= container_of(field
, struct bt_ctf_field_array
, parent
);
2525 for (i
= 0; i
< array
->elements
->len
; i
++) {
2526 is_set
= bt_ctf_field_is_set(array
->elements
->pdata
[i
]);
2536 bool bt_ctf_field_sequence_is_set(struct bt_ctf_field
*field
)
2539 bool is_set
= false;
2540 struct bt_ctf_field_sequence
*sequence
;
2546 sequence
= container_of(field
, struct bt_ctf_field_sequence
, parent
);
2547 for (i
= 0; i
< sequence
->elements
->len
; i
++) {
2548 is_set
= bt_ctf_field_validate(sequence
->elements
->pdata
[i
]);