| 1 | /* |
| 2 | * fields.c |
| 3 | * |
| 4 | * Babeltrace CTF IR - Event Fields |
| 5 | * |
| 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 7 | * |
| 8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 9 | * |
| 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: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 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 |
| 26 | * SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | #define BT_LOG_TAG "FIELDS" |
| 30 | #include <babeltrace/lib-logging-internal.h> |
| 31 | |
| 32 | #include <babeltrace/assert-pre-internal.h> |
| 33 | #include <babeltrace/ctf-ir/fields.h> |
| 34 | #include <babeltrace/ctf-ir/fields-internal.h> |
| 35 | #include <babeltrace/ctf-ir/field-types-internal.h> |
| 36 | #include <babeltrace/object-internal.h> |
| 37 | #include <babeltrace/ref.h> |
| 38 | #include <babeltrace/compiler-internal.h> |
| 39 | #include <babeltrace/compat/fcntl-internal.h> |
| 40 | #include <babeltrace/align-internal.h> |
| 41 | #include <babeltrace/assert-internal.h> |
| 42 | #include <inttypes.h> |
| 43 | |
| 44 | #define BT_ASSERT_PRE_FIELD_IS_INT_OR_ENUM(_field, _name) \ |
| 45 | BT_ASSERT_PRE((_field)->type->id == BT_FIELD_TYPE_ID_INTEGER || \ |
| 46 | (_field)->type->id == BT_FIELD_TYPE_ID_ENUM, \ |
| 47 | _name " is not an integer or an enumeration field: " \ |
| 48 | "%!+f", (_field)) |
| 49 | |
| 50 | static |
| 51 | int bt_field_generic_validate(struct bt_field *field); |
| 52 | |
| 53 | static |
| 54 | int bt_field_structure_validate_recursive(struct bt_field *field); |
| 55 | |
| 56 | static |
| 57 | int bt_field_variant_validate_recursive(struct bt_field *field); |
| 58 | |
| 59 | static |
| 60 | int bt_field_array_validate_recursive(struct bt_field *field); |
| 61 | |
| 62 | static |
| 63 | int bt_field_sequence_validate_recursive(struct bt_field *field); |
| 64 | |
| 65 | static |
| 66 | void bt_field_generic_reset(struct bt_field *field); |
| 67 | |
| 68 | static |
| 69 | void bt_field_structure_reset_recursive(struct bt_field *field); |
| 70 | |
| 71 | static |
| 72 | void bt_field_variant_reset_recursive(struct bt_field *field); |
| 73 | |
| 74 | static |
| 75 | void bt_field_array_reset_recursive(struct bt_field *field); |
| 76 | |
| 77 | static |
| 78 | void bt_field_sequence_reset_recursive(struct bt_field *field); |
| 79 | |
| 80 | static |
| 81 | void bt_field_generic_set_is_frozen(struct bt_field *field, |
| 82 | bool is_frozen); |
| 83 | |
| 84 | static |
| 85 | void bt_field_structure_set_is_frozen_recursive( |
| 86 | struct bt_field *field, bool is_frozen); |
| 87 | |
| 88 | static |
| 89 | void bt_field_variant_set_is_frozen_recursive( |
| 90 | struct bt_field *field, bool is_frozen); |
| 91 | |
| 92 | static |
| 93 | void bt_field_array_set_is_frozen_recursive( |
| 94 | struct bt_field *field, bool is_frozen); |
| 95 | |
| 96 | static |
| 97 | void bt_field_sequence_set_is_frozen_recursive( |
| 98 | struct bt_field *field, bool is_frozen); |
| 99 | |
| 100 | static |
| 101 | bt_bool bt_field_generic_is_set(struct bt_field *field); |
| 102 | |
| 103 | static |
| 104 | bt_bool bt_field_structure_is_set_recursive( |
| 105 | struct bt_field *field); |
| 106 | |
| 107 | static |
| 108 | bt_bool bt_field_variant_is_set_recursive(struct bt_field *field); |
| 109 | |
| 110 | static |
| 111 | bt_bool bt_field_array_is_set_recursive(struct bt_field *field); |
| 112 | |
| 113 | static |
| 114 | bt_bool bt_field_sequence_is_set_recursive(struct bt_field *field); |
| 115 | |
| 116 | static struct bt_field_methods bt_field_integer_methods = { |
| 117 | .set_is_frozen = bt_field_generic_set_is_frozen, |
| 118 | .validate = bt_field_generic_validate, |
| 119 | .is_set = bt_field_generic_is_set, |
| 120 | .reset = bt_field_generic_reset, |
| 121 | }; |
| 122 | |
| 123 | static struct bt_field_methods bt_field_floating_point_methods = { |
| 124 | .set_is_frozen = bt_field_generic_set_is_frozen, |
| 125 | .validate = bt_field_generic_validate, |
| 126 | .is_set = bt_field_generic_is_set, |
| 127 | .reset = bt_field_generic_reset, |
| 128 | }; |
| 129 | |
| 130 | static struct bt_field_methods bt_field_enumeration_methods = { |
| 131 | .set_is_frozen = bt_field_generic_set_is_frozen, |
| 132 | .validate = bt_field_generic_validate, |
| 133 | .is_set = bt_field_generic_is_set, |
| 134 | .reset = bt_field_generic_reset, |
| 135 | }; |
| 136 | |
| 137 | static struct bt_field_methods bt_field_string_methods = { |
| 138 | .set_is_frozen = bt_field_generic_set_is_frozen, |
| 139 | .validate = bt_field_generic_validate, |
| 140 | .is_set = bt_field_generic_is_set, |
| 141 | .reset = bt_field_generic_reset, |
| 142 | }; |
| 143 | |
| 144 | static struct bt_field_methods bt_field_structure_methods = { |
| 145 | .set_is_frozen = bt_field_structure_set_is_frozen_recursive, |
| 146 | .validate = bt_field_structure_validate_recursive, |
| 147 | .is_set = bt_field_structure_is_set_recursive, |
| 148 | .reset = bt_field_structure_reset_recursive, |
| 149 | }; |
| 150 | |
| 151 | static struct bt_field_methods bt_field_sequence_methods = { |
| 152 | .set_is_frozen = bt_field_sequence_set_is_frozen_recursive, |
| 153 | .validate = bt_field_sequence_validate_recursive, |
| 154 | .is_set = bt_field_sequence_is_set_recursive, |
| 155 | .reset = bt_field_sequence_reset_recursive, |
| 156 | }; |
| 157 | |
| 158 | static struct bt_field_methods bt_field_array_methods = { |
| 159 | .set_is_frozen = bt_field_array_set_is_frozen_recursive, |
| 160 | .validate = bt_field_array_validate_recursive, |
| 161 | .is_set = bt_field_array_is_set_recursive, |
| 162 | .reset = bt_field_array_reset_recursive, |
| 163 | }; |
| 164 | |
| 165 | static struct bt_field_methods bt_field_variant_methods = { |
| 166 | .set_is_frozen = bt_field_variant_set_is_frozen_recursive, |
| 167 | .validate = bt_field_variant_validate_recursive, |
| 168 | .is_set = bt_field_variant_is_set_recursive, |
| 169 | .reset = bt_field_variant_reset_recursive, |
| 170 | }; |
| 171 | |
| 172 | static |
| 173 | struct bt_field *bt_field_integer_create(struct bt_field_type *); |
| 174 | |
| 175 | static |
| 176 | struct bt_field *bt_field_enumeration_create(struct bt_field_type *); |
| 177 | |
| 178 | static |
| 179 | struct bt_field *bt_field_floating_point_create(struct bt_field_type *); |
| 180 | |
| 181 | static |
| 182 | struct bt_field *bt_field_structure_create(struct bt_field_type *); |
| 183 | |
| 184 | static |
| 185 | struct bt_field *bt_field_variant_create(struct bt_field_type *); |
| 186 | |
| 187 | static |
| 188 | struct bt_field *bt_field_array_create(struct bt_field_type *); |
| 189 | |
| 190 | static |
| 191 | struct bt_field *bt_field_sequence_create(struct bt_field_type *); |
| 192 | |
| 193 | static |
| 194 | struct bt_field *bt_field_string_create(struct bt_field_type *); |
| 195 | |
| 196 | static |
| 197 | struct bt_field *(* const field_create_funcs[])(struct bt_field_type *) = { |
| 198 | [BT_FIELD_TYPE_ID_INTEGER] = bt_field_integer_create, |
| 199 | [BT_FIELD_TYPE_ID_ENUM] = bt_field_enumeration_create, |
| 200 | [BT_FIELD_TYPE_ID_FLOAT] = bt_field_floating_point_create, |
| 201 | [BT_FIELD_TYPE_ID_STRUCT] = bt_field_structure_create, |
| 202 | [BT_FIELD_TYPE_ID_VARIANT] = bt_field_variant_create, |
| 203 | [BT_FIELD_TYPE_ID_ARRAY] = bt_field_array_create, |
| 204 | [BT_FIELD_TYPE_ID_SEQUENCE] = bt_field_sequence_create, |
| 205 | [BT_FIELD_TYPE_ID_STRING] = bt_field_string_create, |
| 206 | }; |
| 207 | |
| 208 | static |
| 209 | void bt_field_integer_destroy(struct bt_field *field); |
| 210 | |
| 211 | static |
| 212 | void bt_field_enumeration_destroy(struct bt_field *field); |
| 213 | |
| 214 | static |
| 215 | void bt_field_floating_point_destroy(struct bt_field *field); |
| 216 | |
| 217 | static |
| 218 | void bt_field_structure_destroy_recursive(struct bt_field *field); |
| 219 | |
| 220 | static |
| 221 | void bt_field_variant_destroy_recursive(struct bt_field *field); |
| 222 | |
| 223 | static |
| 224 | void bt_field_array_destroy_recursive(struct bt_field *field); |
| 225 | |
| 226 | static |
| 227 | void bt_field_sequence_destroy_recursive(struct bt_field *field); |
| 228 | |
| 229 | static |
| 230 | void bt_field_string_destroy(struct bt_field *field); |
| 231 | |
| 232 | static |
| 233 | void (* const field_destroy_funcs[])(struct bt_field *) = { |
| 234 | [BT_FIELD_TYPE_ID_INTEGER] = bt_field_integer_destroy, |
| 235 | [BT_FIELD_TYPE_ID_ENUM] = bt_field_enumeration_destroy, |
| 236 | [BT_FIELD_TYPE_ID_FLOAT] = bt_field_floating_point_destroy, |
| 237 | [BT_FIELD_TYPE_ID_STRUCT] = bt_field_structure_destroy_recursive, |
| 238 | [BT_FIELD_TYPE_ID_VARIANT] = bt_field_variant_destroy_recursive, |
| 239 | [BT_FIELD_TYPE_ID_ARRAY] = bt_field_array_destroy_recursive, |
| 240 | [BT_FIELD_TYPE_ID_SEQUENCE] = bt_field_sequence_destroy_recursive, |
| 241 | [BT_FIELD_TYPE_ID_STRING] = bt_field_string_destroy, |
| 242 | }; |
| 243 | |
| 244 | BT_ASSERT_PRE_FUNC |
| 245 | static inline bool value_is_in_range_signed(unsigned int size, int64_t value) |
| 246 | { |
| 247 | bool ret = true; |
| 248 | int64_t min_value, max_value; |
| 249 | |
| 250 | min_value = -(1ULL << (size - 1)); |
| 251 | max_value = (1ULL << (size - 1)) - 1; |
| 252 | if (value < min_value || value > max_value) { |
| 253 | BT_LOGF("Value is out of bounds: value=%" PRId64 ", " |
| 254 | "min-value=%" PRId64 ", max-value=%" PRId64, |
| 255 | value, min_value, max_value); |
| 256 | ret = false; |
| 257 | } |
| 258 | |
| 259 | return ret; |
| 260 | } |
| 261 | |
| 262 | BT_ASSERT_PRE_FUNC |
| 263 | static inline bool value_is_in_range_unsigned(unsigned int size, uint64_t value) |
| 264 | { |
| 265 | bool ret = true; |
| 266 | int64_t max_value; |
| 267 | |
| 268 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1; |
| 269 | if (value > max_value) { |
| 270 | BT_LOGF("Value is out of bounds: value=%" PRIu64 ", " |
| 271 | "max-value=%" PRIu64, |
| 272 | value, max_value); |
| 273 | ret = false; |
| 274 | } |
| 275 | |
| 276 | return ret; |
| 277 | } |
| 278 | |
| 279 | BT_HIDDEN |
| 280 | struct bt_field *bt_field_create_recursive(struct bt_field_type *type) |
| 281 | { |
| 282 | struct bt_field *field = NULL; |
| 283 | enum bt_field_type_id type_id; |
| 284 | |
| 285 | BT_ASSERT_PRE_NON_NULL(type, "Field type"); |
| 286 | BT_ASSERT(bt_field_type_has_known_id((void *) type)); |
| 287 | BT_ASSERT_PRE(bt_field_type_validate((void *) type) == 0, |
| 288 | "Field type is invalid: %!+F", type); |
| 289 | type_id = bt_field_type_get_type_id(type); |
| 290 | field = field_create_funcs[type_id](type); |
| 291 | if (!field) { |
| 292 | goto end; |
| 293 | } |
| 294 | |
| 295 | bt_field_type_freeze(type); |
| 296 | |
| 297 | end: |
| 298 | return field; |
| 299 | } |
| 300 | |
| 301 | struct bt_field_type *bt_field_borrow_type(struct bt_field *field) |
| 302 | { |
| 303 | struct bt_field_type *ret = NULL; |
| 304 | |
| 305 | BT_ASSERT_PRE_NON_NULL(field, "Field"); |
| 306 | ret = field->type; |
| 307 | return ret; |
| 308 | } |
| 309 | |
| 310 | enum bt_field_type_id bt_field_get_type_id(struct bt_field *field) |
| 311 | { |
| 312 | BT_ASSERT_PRE_NON_NULL(field, "Field"); |
| 313 | return field->type->id; |
| 314 | } |
| 315 | |
| 316 | int64_t bt_field_sequence_get_length(struct bt_field *field) |
| 317 | { |
| 318 | struct bt_field_sequence *sequence = (void *) field; |
| 319 | |
| 320 | BT_ASSERT_PRE_NON_NULL(field, "Sequence field"); |
| 321 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_SEQUENCE, |
| 322 | "Field"); |
| 323 | return (int64_t) sequence->length; |
| 324 | } |
| 325 | |
| 326 | int bt_field_sequence_set_length(struct bt_field *field, uint64_t length) |
| 327 | { |
| 328 | int ret = 0; |
| 329 | struct bt_field_sequence *sequence = (void *) field; |
| 330 | |
| 331 | BT_ASSERT_PRE_NON_NULL(field, "Sequence field"); |
| 332 | BT_ASSERT_PRE(((int64_t) length) >= 0, |
| 333 | "Invalid sequence length (too large): length=%" PRId64, |
| 334 | length); |
| 335 | BT_ASSERT_PRE_FIELD_HOT(field, "Sequence field"); |
| 336 | |
| 337 | if (unlikely(length > sequence->elements->len)) { |
| 338 | /* Make more room */ |
| 339 | struct bt_field_type_sequence *sequence_ft; |
| 340 | uint64_t cur_len = sequence->elements->len; |
| 341 | uint64_t i; |
| 342 | |
| 343 | g_ptr_array_set_size(sequence->elements, length); |
| 344 | sequence_ft = (void *) sequence->common.type; |
| 345 | |
| 346 | for (i = cur_len; i < sequence->elements->len; i++) { |
| 347 | struct bt_field *elem_field = |
| 348 | bt_field_create_recursive( |
| 349 | sequence_ft->element_ft); |
| 350 | |
| 351 | if (!elem_field) { |
| 352 | ret = -1; |
| 353 | goto end; |
| 354 | } |
| 355 | |
| 356 | BT_ASSERT(!sequence->elements->pdata[i]); |
| 357 | sequence->elements->pdata[i] = elem_field; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | sequence->length = length; |
| 362 | |
| 363 | end: |
| 364 | return ret; |
| 365 | } |
| 366 | |
| 367 | struct bt_field *bt_field_structure_borrow_field_by_index( |
| 368 | struct bt_field *field, uint64_t index) |
| 369 | { |
| 370 | struct bt_field_structure *structure = (void *) field; |
| 371 | |
| 372 | BT_ASSERT_PRE_NON_NULL(field, "Structure field"); |
| 373 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 374 | BT_FIELD_TYPE_ID_STRUCT, "Field"); |
| 375 | BT_ASSERT_PRE(index < structure->fields->len, |
| 376 | "Index is out of bound: %![struct-field-]+f, " |
| 377 | "index=%" PRIu64 ", count=%u", field, index, |
| 378 | structure->fields->len); |
| 379 | return structure->fields->pdata[index]; |
| 380 | } |
| 381 | |
| 382 | struct bt_field *bt_field_structure_borrow_field_by_name( |
| 383 | struct bt_field *field, const char *name) |
| 384 | { |
| 385 | struct bt_field *ret = NULL; |
| 386 | GQuark field_quark; |
| 387 | struct bt_field_type_structure *structure_ft; |
| 388 | struct bt_field_structure *structure = (void *) field; |
| 389 | size_t index; |
| 390 | GHashTable *field_name_to_index; |
| 391 | |
| 392 | BT_ASSERT_PRE_NON_NULL(field, "Structure field"); |
| 393 | BT_ASSERT_PRE_NON_NULL(name, "Field name"); |
| 394 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 395 | BT_FIELD_TYPE_ID_STRUCT, "Field"); |
| 396 | structure_ft = (void *) field->type; |
| 397 | field_name_to_index = structure_ft->field_name_to_index; |
| 398 | field_quark = g_quark_from_string(name); |
| 399 | if (!g_hash_table_lookup_extended(field_name_to_index, |
| 400 | GUINT_TO_POINTER(field_quark), |
| 401 | NULL, (gpointer *) &index)) { |
| 402 | BT_LOGV("Invalid parameter: no such field in structure field's type: " |
| 403 | "struct-field-addr=%p, struct-ft-addr=%p, name=\"%s\"", |
| 404 | field, field->type, name); |
| 405 | goto error; |
| 406 | } |
| 407 | |
| 408 | ret = structure->fields->pdata[index]; |
| 409 | BT_ASSERT(ret); |
| 410 | |
| 411 | error: |
| 412 | return ret; |
| 413 | } |
| 414 | |
| 415 | struct bt_field *bt_field_array_borrow_field( |
| 416 | struct bt_field *field, uint64_t index) |
| 417 | { |
| 418 | struct bt_field_array *array = (void *) field; |
| 419 | |
| 420 | BT_ASSERT_PRE_NON_NULL(field, "Array field"); |
| 421 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_ARRAY, |
| 422 | "Field"); |
| 423 | BT_ASSERT_PRE(index < array->elements->len, |
| 424 | "Index is out of bound: %![array-field-]+f, " |
| 425 | "index=%" PRIu64 ", count=%u", field, |
| 426 | index, array->elements->len); |
| 427 | return array->elements->pdata[(size_t) index]; |
| 428 | } |
| 429 | |
| 430 | struct bt_field *bt_field_sequence_borrow_field( |
| 431 | struct bt_field *field, uint64_t index) |
| 432 | { |
| 433 | struct bt_field_sequence *sequence = (void *) field; |
| 434 | |
| 435 | BT_ASSERT_PRE_NON_NULL(field, "Sequence field"); |
| 436 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_SEQUENCE, |
| 437 | "Field"); |
| 438 | BT_ASSERT_PRE(index < sequence->length, |
| 439 | "Index is out of bound: %![seq-field-]+f, " |
| 440 | "index=%" PRIu64 ", count=%u", field, index, |
| 441 | sequence->elements->len); |
| 442 | return sequence->elements->pdata[(size_t) index]; |
| 443 | } |
| 444 | |
| 445 | struct bt_field *bt_field_variant_borrow_current_field( |
| 446 | struct bt_field *field) |
| 447 | { |
| 448 | struct bt_field_variant *variant = (void *) field; |
| 449 | |
| 450 | BT_ASSERT_PRE_NON_NULL(field, "Variant field"); |
| 451 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 452 | BT_FIELD_TYPE_ID_VARIANT, "Field"); |
| 453 | BT_ASSERT_PRE(variant->current_field, |
| 454 | "Variant field has no current field: %!+f", field); |
| 455 | return variant->current_field; |
| 456 | } |
| 457 | |
| 458 | static inline |
| 459 | int bt_field_variant_set_tag(struct bt_field *field, |
| 460 | uint64_t tag_uval, bool is_signed) |
| 461 | { |
| 462 | int ret = 0; |
| 463 | int64_t choice_index; |
| 464 | struct bt_field_variant *variant = (void *) field; |
| 465 | |
| 466 | BT_ASSERT_PRE_NON_NULL(field, "Variant field"); |
| 467 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 468 | BT_FIELD_TYPE_ID_VARIANT, "Field"); |
| 469 | |
| 470 | /* Find matching index in variant field's type */ |
| 471 | choice_index = bt_field_type_variant_find_choice_index( |
| 472 | field->type, tag_uval, is_signed); |
| 473 | if (choice_index < 0) { |
| 474 | ret = -1; |
| 475 | goto end; |
| 476 | } |
| 477 | |
| 478 | /* Select corresponding field */ |
| 479 | BT_ASSERT(choice_index < variant->fields->len); |
| 480 | variant->current_field = variant->fields->pdata[choice_index]; |
| 481 | variant->tag_value.u = tag_uval; |
| 482 | |
| 483 | end: |
| 484 | return ret; |
| 485 | } |
| 486 | |
| 487 | int bt_field_variant_set_tag_signed(struct bt_field *variant_field, |
| 488 | int64_t tag) |
| 489 | { |
| 490 | return bt_field_variant_set_tag((void *) variant_field, |
| 491 | (uint64_t) tag, true); |
| 492 | } |
| 493 | |
| 494 | int bt_field_variant_set_tag_unsigned(struct bt_field *variant_field, |
| 495 | uint64_t tag) |
| 496 | { |
| 497 | return bt_field_variant_set_tag((void *) variant_field, |
| 498 | (uint64_t) tag, false); |
| 499 | } |
| 500 | |
| 501 | int bt_field_variant_get_tag_signed(struct bt_field *field, |
| 502 | int64_t *tag) |
| 503 | { |
| 504 | struct bt_field_variant *variant = (void *) field; |
| 505 | |
| 506 | BT_ASSERT_PRE_NON_NULL(field, "Variant field"); |
| 507 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 508 | BT_FIELD_TYPE_ID_VARIANT, "Field"); |
| 509 | BT_ASSERT_PRE(variant->current_field, |
| 510 | "Variant field has no current field: %!+f", field); |
| 511 | *tag = variant->tag_value.i; |
| 512 | return 0; |
| 513 | } |
| 514 | |
| 515 | int bt_field_variant_get_tag_unsigned(struct bt_field *field, |
| 516 | uint64_t *tag) |
| 517 | { |
| 518 | struct bt_field_variant *variant = (void *) field; |
| 519 | |
| 520 | BT_ASSERT_PRE_NON_NULL(field, "Variant field"); |
| 521 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 522 | BT_FIELD_TYPE_ID_VARIANT, "Field"); |
| 523 | BT_ASSERT_PRE(variant->current_field, |
| 524 | "Variant field has no current field: %!+f", field); |
| 525 | *tag = variant->tag_value.u; |
| 526 | return 0; |
| 527 | } |
| 528 | |
| 529 | struct bt_field_type_enumeration_mapping_iterator * |
| 530 | bt_field_enumeration_get_mappings(struct bt_field *field) |
| 531 | { |
| 532 | struct bt_field_enumeration *enum_field = (void *) field; |
| 533 | struct bt_field_type_enumeration *enum_type = NULL; |
| 534 | struct bt_field_type_integer *integer_type = NULL; |
| 535 | struct bt_field_type_enumeration_mapping_iterator *iter = NULL; |
| 536 | |
| 537 | BT_ASSERT(field); |
| 538 | BT_ASSERT(field->type->id == BT_FIELD_TYPE_ID_ENUM); |
| 539 | BT_ASSERT(field->payload_set); |
| 540 | BT_ASSERT_PRE_NON_NULL(field, "Enumeration field"); |
| 541 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID((struct bt_field *) field, |
| 542 | BT_FIELD_TYPE_ID_ENUM, "Field"); |
| 543 | BT_ASSERT_PRE_FIELD_IS_SET((struct bt_field *) field, |
| 544 | "Enumeration field"); |
| 545 | enum_type = (void *) field->type; |
| 546 | integer_type = enum_type->container_ft; |
| 547 | |
| 548 | if (!integer_type->is_signed) { |
| 549 | iter = bt_field_type_enumeration_unsigned_find_mappings_by_value( |
| 550 | field->type, |
| 551 | enum_field->common.payload.unsignd); |
| 552 | } else { |
| 553 | iter = bt_field_type_enumeration_signed_find_mappings_by_value( |
| 554 | field->type, |
| 555 | enum_field->common.payload.signd); |
| 556 | } |
| 557 | |
| 558 | return iter; |
| 559 | } |
| 560 | |
| 561 | BT_ASSERT_PRE_FUNC |
| 562 | static inline |
| 563 | struct bt_field_type_integer *get_int_enum_int_ft( |
| 564 | struct bt_field *field) |
| 565 | { |
| 566 | struct bt_field_integer *int_field = (void *) field; |
| 567 | struct bt_field_type_integer *int_ft = NULL; |
| 568 | |
| 569 | if (int_field->common.type->id == BT_FIELD_TYPE_ID_INTEGER) { |
| 570 | int_ft = (void *) int_field->common.type; |
| 571 | } else if (int_field->common.type->id == BT_FIELD_TYPE_ID_ENUM) { |
| 572 | struct bt_field_type_enumeration *enum_ft = |
| 573 | (void *) int_field->common.type; |
| 574 | int_ft = enum_ft->container_ft; |
| 575 | } else { |
| 576 | abort(); |
| 577 | } |
| 578 | |
| 579 | BT_ASSERT(int_ft); |
| 580 | return int_ft; |
| 581 | } |
| 582 | |
| 583 | int bt_field_integer_signed_get_value(struct bt_field *field, int64_t *value) |
| 584 | { |
| 585 | struct bt_field_integer *integer = (void *) field; |
| 586 | |
| 587 | BT_ASSERT_PRE_NON_NULL(field, "Integer/enumeration field"); |
| 588 | BT_ASSERT_PRE_NON_NULL(value, "Value"); |
| 589 | BT_ASSERT_PRE_FIELD_IS_SET(field, |
| 590 | "Integer/enumeration field"); |
| 591 | BT_ASSERT_PRE_FIELD_IS_INT_OR_ENUM(field, "Field"); |
| 592 | BT_ASSERT_PRE(bt_field_type_integer_is_signed( |
| 593 | (void *) get_int_enum_int_ft(field)), |
| 594 | "Field's type is unsigned: %!+f", field); |
| 595 | *value = integer->payload.signd; |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | int bt_field_integer_signed_set_value(struct bt_field *field, int64_t value) |
| 600 | { |
| 601 | int ret = 0; |
| 602 | struct bt_field_integer *integer = (void *) field; |
| 603 | |
| 604 | BT_ASSERT_PRE_NON_NULL(field, "Integer field"); |
| 605 | BT_ASSERT_PRE_FIELD_HOT(field, "Integer field"); |
| 606 | BT_ASSERT_PRE_FIELD_IS_INT_OR_ENUM(field, "Field"); |
| 607 | BT_ASSERT_PRE(bt_field_type_integer_is_signed( |
| 608 | (void *) get_int_enum_int_ft(field)), |
| 609 | "Field's type is unsigned: %!+f", field); |
| 610 | BT_ASSERT_PRE(value_is_in_range_signed( |
| 611 | get_int_enum_int_ft(field)->size, value), |
| 612 | "Value is out of bounds: value=%" PRId64 ", %![field-]+f", |
| 613 | value, field); |
| 614 | integer->payload.signd = value; |
| 615 | bt_field_set(field, true); |
| 616 | return ret; |
| 617 | } |
| 618 | |
| 619 | int bt_field_integer_unsigned_get_value(struct bt_field *field, uint64_t *value) |
| 620 | { |
| 621 | struct bt_field_integer *integer = (void *) field; |
| 622 | |
| 623 | BT_ASSERT_PRE_NON_NULL(field, "Integer field"); |
| 624 | BT_ASSERT_PRE_NON_NULL(value, "Value"); |
| 625 | BT_ASSERT_PRE_FIELD_IS_SET(field, "Integer field"); |
| 626 | BT_ASSERT_PRE_FIELD_IS_INT_OR_ENUM(field, "Field"); |
| 627 | BT_ASSERT_PRE(!bt_field_type_integer_is_signed( |
| 628 | (void *) get_int_enum_int_ft(field)), |
| 629 | "Field's type is signed: %!+f", field); |
| 630 | *value = integer->payload.unsignd; |
| 631 | return 0; |
| 632 | } |
| 633 | |
| 634 | int bt_field_integer_unsigned_set_value(struct bt_field *field, |
| 635 | uint64_t value) |
| 636 | { |
| 637 | struct bt_field_integer *integer = (void *) field; |
| 638 | |
| 639 | BT_ASSERT_PRE_NON_NULL(field, "Integer field"); |
| 640 | BT_ASSERT_PRE_FIELD_HOT(field, "Integer field"); |
| 641 | BT_ASSERT_PRE_FIELD_IS_INT_OR_ENUM(field, "Field"); |
| 642 | BT_ASSERT_PRE(!bt_field_type_integer_is_signed( |
| 643 | (void *) get_int_enum_int_ft(field)), |
| 644 | "Field's type is signed: %!+f", field); |
| 645 | BT_ASSERT_PRE(value_is_in_range_unsigned( |
| 646 | get_int_enum_int_ft(field)->size, value), |
| 647 | "Value is out of bounds: value=%" PRIu64 ", %![field-]+f", |
| 648 | value, field); |
| 649 | integer->payload.unsignd = value; |
| 650 | bt_field_set(field, true); |
| 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | int bt_field_floating_point_get_value(struct bt_field *field, |
| 655 | double *value) |
| 656 | { |
| 657 | struct bt_field_floating_point *floating_point = (void *) field; |
| 658 | |
| 659 | BT_ASSERT_PRE_NON_NULL(field, "Floating point number field"); |
| 660 | BT_ASSERT_PRE_NON_NULL(value, "Value"); |
| 661 | BT_ASSERT_PRE_FIELD_IS_SET(field, "Floating point number field"); |
| 662 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 663 | BT_FIELD_TYPE_ID_FLOAT, "Field"); |
| 664 | *value = floating_point->payload; |
| 665 | return 0; |
| 666 | } |
| 667 | |
| 668 | int bt_field_floating_point_set_value(struct bt_field *field, |
| 669 | double value) |
| 670 | { |
| 671 | struct bt_field_floating_point *floating_point = (void *) field; |
| 672 | |
| 673 | BT_ASSERT_PRE_NON_NULL(field, "Floating point number field"); |
| 674 | BT_ASSERT_PRE_FIELD_HOT(field, "Floating point number field"); |
| 675 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 676 | BT_FIELD_TYPE_ID_FLOAT, "Field"); |
| 677 | floating_point->payload = value; |
| 678 | bt_field_set(field, true); |
| 679 | return 0; |
| 680 | } |
| 681 | |
| 682 | const char *bt_field_string_get_value(struct bt_field *field) |
| 683 | { |
| 684 | struct bt_field_string *string = (void *) field; |
| 685 | |
| 686 | BT_ASSERT_PRE_NON_NULL(field, "String field"); |
| 687 | BT_ASSERT_PRE_FIELD_IS_SET(field, "String field"); |
| 688 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 689 | BT_FIELD_TYPE_ID_STRING, "Field"); |
| 690 | return (const char *) string->buf->data; |
| 691 | } |
| 692 | |
| 693 | int bt_field_string_set_value(struct bt_field *field, const char *value) |
| 694 | { |
| 695 | BT_ASSERT_PRE_NON_NULL(field, "String field"); |
| 696 | BT_ASSERT_PRE_NON_NULL(value, "Value"); |
| 697 | BT_ASSERT_PRE_FIELD_HOT(field, "String field"); |
| 698 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 699 | BT_FIELD_TYPE_ID_STRING, "Field"); |
| 700 | bt_field_string_clear(field); |
| 701 | return bt_field_string_append_len(field, |
| 702 | value, strlen(value)); |
| 703 | } |
| 704 | |
| 705 | int bt_field_string_append(struct bt_field *field, const char *value) |
| 706 | { |
| 707 | BT_ASSERT_PRE_NON_NULL(value, "Value"); |
| 708 | return bt_field_string_append_len(field, value, |
| 709 | strlen(value)); |
| 710 | } |
| 711 | |
| 712 | int bt_field_string_append_len(struct bt_field *field, |
| 713 | const char *value, unsigned int length) |
| 714 | { |
| 715 | struct bt_field_string *string_field = (void *) field; |
| 716 | char *data; |
| 717 | size_t new_size; |
| 718 | |
| 719 | BT_ASSERT_PRE_NON_NULL(field, "String field"); |
| 720 | BT_ASSERT_PRE_NON_NULL(value, "Value"); |
| 721 | BT_ASSERT_PRE_FIELD_HOT(field, "String field"); |
| 722 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 723 | BT_FIELD_TYPE_ID_STRING, "Field"); |
| 724 | |
| 725 | /* Make sure no null bytes are appended */ |
| 726 | BT_ASSERT_PRE(memchr(value, '\0', length) == NULL, |
| 727 | "String value to append contains a null character: " |
| 728 | "partial-value=\"%.32s\", length=%u", value, length); |
| 729 | |
| 730 | new_size = string_field->size + length; |
| 731 | |
| 732 | if (unlikely(new_size + 1 > string_field->buf->len)) { |
| 733 | g_array_set_size(string_field->buf, new_size + 1); |
| 734 | } |
| 735 | |
| 736 | data = string_field->buf->data; |
| 737 | memcpy(data + string_field->size, value, length); |
| 738 | ((char *) string_field->buf->data)[new_size] = '\0'; |
| 739 | string_field->size = new_size; |
| 740 | bt_field_set(field, true); |
| 741 | return 0; |
| 742 | } |
| 743 | |
| 744 | int bt_field_string_clear(struct bt_field *field) |
| 745 | { |
| 746 | struct bt_field_string *string_field = (void *) field; |
| 747 | |
| 748 | BT_ASSERT_PRE_NON_NULL(field, "String field"); |
| 749 | BT_ASSERT_PRE_FIELD_HOT(field, "String field"); |
| 750 | BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, |
| 751 | BT_FIELD_TYPE_ID_STRING, "Field"); |
| 752 | string_field->size = 0; |
| 753 | bt_field_set(field, true); |
| 754 | return 0; |
| 755 | } |
| 756 | |
| 757 | static inline |
| 758 | void bt_field_finalize(struct bt_field *field) |
| 759 | { |
| 760 | BT_ASSERT(field); |
| 761 | BT_LOGD_STR("Putting field's type."); |
| 762 | bt_put(field->type); |
| 763 | } |
| 764 | |
| 765 | static |
| 766 | void bt_field_integer_destroy(struct bt_field *field) |
| 767 | { |
| 768 | BT_ASSERT(field); |
| 769 | BT_LOGD("Destroying integer field object: addr=%p", field); |
| 770 | bt_field_finalize(field); |
| 771 | g_free(field); |
| 772 | } |
| 773 | |
| 774 | static |
| 775 | void bt_field_floating_point_destroy(struct bt_field *field) |
| 776 | { |
| 777 | BT_ASSERT(field); |
| 778 | BT_LOGD("Destroying floating point field object: addr=%p", field); |
| 779 | bt_field_finalize(field); |
| 780 | g_free(field); |
| 781 | } |
| 782 | |
| 783 | static |
| 784 | void bt_field_enumeration_destroy(struct bt_field *field) |
| 785 | { |
| 786 | BT_LOGD("Destroying enumeration field object: addr=%p", field); |
| 787 | bt_field_finalize((void *) field); |
| 788 | g_free(field); |
| 789 | } |
| 790 | |
| 791 | static |
| 792 | void bt_field_structure_destroy_recursive(struct bt_field *field) |
| 793 | { |
| 794 | struct bt_field_structure *structure = (void *) field; |
| 795 | |
| 796 | BT_ASSERT(field); |
| 797 | BT_LOGD("Destroying structure field object: addr=%p", field); |
| 798 | bt_field_finalize(field); |
| 799 | |
| 800 | if (structure->fields) { |
| 801 | g_ptr_array_free(structure->fields, TRUE); |
| 802 | } |
| 803 | |
| 804 | g_free(field); |
| 805 | } |
| 806 | |
| 807 | static |
| 808 | void bt_field_variant_destroy_recursive(struct bt_field *field) |
| 809 | { |
| 810 | struct bt_field_variant *variant = (void *) field; |
| 811 | |
| 812 | BT_ASSERT(field); |
| 813 | BT_LOGD("Destroying variant field object: addr=%p", field); |
| 814 | bt_field_finalize(field); |
| 815 | |
| 816 | if (variant->fields) { |
| 817 | g_ptr_array_free(variant->fields, TRUE); |
| 818 | } |
| 819 | |
| 820 | g_free(field); |
| 821 | } |
| 822 | |
| 823 | static |
| 824 | void bt_field_array_destroy_recursive(struct bt_field *field) |
| 825 | { |
| 826 | struct bt_field_array *array = (void *) field; |
| 827 | |
| 828 | BT_ASSERT(field); |
| 829 | BT_LOGD("Destroying array field object: addr=%p", field); |
| 830 | bt_field_finalize(field); |
| 831 | |
| 832 | if (array->elements) { |
| 833 | g_ptr_array_free(array->elements, TRUE); |
| 834 | } |
| 835 | |
| 836 | g_free(field); |
| 837 | } |
| 838 | |
| 839 | static |
| 840 | void bt_field_sequence_destroy_recursive(struct bt_field *field) |
| 841 | { |
| 842 | struct bt_field_sequence *sequence = (void *) field; |
| 843 | |
| 844 | BT_ASSERT(field); |
| 845 | BT_LOGD("Destroying sequence field object: addr=%p", field); |
| 846 | bt_field_finalize(field); |
| 847 | |
| 848 | if (sequence->elements) { |
| 849 | g_ptr_array_free(sequence->elements, TRUE); |
| 850 | } |
| 851 | g_free(field); |
| 852 | } |
| 853 | |
| 854 | static |
| 855 | void bt_field_string_destroy(struct bt_field *field) |
| 856 | { |
| 857 | struct bt_field_string *string = (void *) field; |
| 858 | |
| 859 | BT_LOGD("Destroying string field object: addr=%p", field); |
| 860 | BT_ASSERT(field); |
| 861 | bt_field_finalize(field); |
| 862 | |
| 863 | if (string->buf) { |
| 864 | g_array_free(string->buf, TRUE); |
| 865 | } |
| 866 | |
| 867 | g_free(field); |
| 868 | } |
| 869 | |
| 870 | BT_HIDDEN |
| 871 | void bt_field_destroy_recursive(struct bt_field *field) |
| 872 | { |
| 873 | if (!field) { |
| 874 | return; |
| 875 | } |
| 876 | |
| 877 | BT_ASSERT(bt_field_type_has_known_id((void *) field->type)); |
| 878 | field_destroy_funcs[field->type->id](field); |
| 879 | } |
| 880 | |
| 881 | static inline |
| 882 | void bt_field_initialize(struct bt_field *field, |
| 883 | struct bt_field_type *ft, |
| 884 | struct bt_field_methods *methods) |
| 885 | { |
| 886 | BT_ASSERT(field); |
| 887 | BT_ASSERT(ft); |
| 888 | bt_object_init_unique(&field->base); |
| 889 | field->methods = methods; |
| 890 | field->type = bt_get(ft); |
| 891 | } |
| 892 | |
| 893 | static |
| 894 | struct bt_field *bt_field_integer_create(struct bt_field_type *type) |
| 895 | { |
| 896 | struct bt_field_integer *integer = |
| 897 | g_new0(struct bt_field_integer, 1); |
| 898 | |
| 899 | BT_LOGD("Creating integer field object: ft-addr=%p", type); |
| 900 | |
| 901 | if (integer) { |
| 902 | bt_field_initialize((void *) integer, (void *) type, |
| 903 | &bt_field_integer_methods); |
| 904 | BT_LOGD("Created integer field object: addr=%p, ft-addr=%p", |
| 905 | integer, type); |
| 906 | } else { |
| 907 | BT_LOGE_STR("Failed to allocate one integer field."); |
| 908 | } |
| 909 | |
| 910 | return (void *) integer; |
| 911 | } |
| 912 | |
| 913 | static |
| 914 | struct bt_field *bt_field_enumeration_create(struct bt_field_type *type) |
| 915 | { |
| 916 | struct bt_field_enumeration *enumeration = g_new0( |
| 917 | struct bt_field_enumeration, 1); |
| 918 | |
| 919 | BT_LOGD("Creating enumeration field object: ft-addr=%p", type); |
| 920 | |
| 921 | if (enumeration) { |
| 922 | bt_field_initialize((void *) enumeration, |
| 923 | (void *) type, &bt_field_enumeration_methods); |
| 924 | BT_LOGD("Created enumeration field object: addr=%p, ft-addr=%p", |
| 925 | enumeration, type); |
| 926 | } else { |
| 927 | BT_LOGE_STR("Failed to allocate one enumeration field."); |
| 928 | } |
| 929 | |
| 930 | return (void *) enumeration; |
| 931 | } |
| 932 | |
| 933 | static |
| 934 | struct bt_field *bt_field_floating_point_create(struct bt_field_type *type) |
| 935 | { |
| 936 | struct bt_field_floating_point *floating_point; |
| 937 | |
| 938 | BT_LOGD("Creating floating point number field object: ft-addr=%p", type); |
| 939 | floating_point = g_new0(struct bt_field_floating_point, 1); |
| 940 | |
| 941 | if (floating_point) { |
| 942 | bt_field_initialize((void *) floating_point, |
| 943 | (void *) type, &bt_field_floating_point_methods); |
| 944 | BT_LOGD("Created floating point number field object: addr=%p, ft-addr=%p", |
| 945 | floating_point, type); |
| 946 | } else { |
| 947 | BT_LOGE_STR("Failed to allocate one floating point number field."); |
| 948 | } |
| 949 | |
| 950 | return (void *) floating_point; |
| 951 | } |
| 952 | |
| 953 | static inline |
| 954 | int bt_field_structure_initialize(struct bt_field *field, |
| 955 | struct bt_field_type *type, |
| 956 | struct bt_field_methods *methods, |
| 957 | bt_field_create_func field_create_func, |
| 958 | GDestroyNotify field_release_func) |
| 959 | { |
| 960 | int ret = 0; |
| 961 | struct bt_field_type_structure *structure_type = (void *) type; |
| 962 | struct bt_field_structure *structure = (void *) field; |
| 963 | size_t i; |
| 964 | |
| 965 | BT_LOGD("Initializing structure field object: ft-addr=%p", type); |
| 966 | bt_field_initialize(field, type, methods); |
| 967 | structure->fields = g_ptr_array_new_with_free_func(field_release_func); |
| 968 | g_ptr_array_set_size(structure->fields, structure_type->fields->len); |
| 969 | |
| 970 | /* Create all fields contained in the structure field. */ |
| 971 | for (i = 0; i < structure_type->fields->len; i++) { |
| 972 | struct bt_field *field; |
| 973 | struct bt_field_type_structure_field *struct_field = |
| 974 | BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX( |
| 975 | structure_type, i); |
| 976 | field = field_create_func(struct_field->type); |
| 977 | if (!field) { |
| 978 | BT_LOGE("Failed to create structure field's member: name=\"%s\", index=%zu", |
| 979 | g_quark_to_string(struct_field->name), i); |
| 980 | ret = -1; |
| 981 | goto end; |
| 982 | } |
| 983 | |
| 984 | g_ptr_array_index(structure->fields, i) = field; |
| 985 | } |
| 986 | |
| 987 | BT_LOGD("Initialized structure field object: addr=%p, ft-addr=%p", |
| 988 | field, type); |
| 989 | |
| 990 | end: |
| 991 | return ret; |
| 992 | } |
| 993 | |
| 994 | static |
| 995 | struct bt_field *bt_field_structure_create(struct bt_field_type *type) |
| 996 | { |
| 997 | struct bt_field_structure *structure = g_new0( |
| 998 | struct bt_field_structure, 1); |
| 999 | int iret; |
| 1000 | |
| 1001 | BT_LOGD("Creating structure field object: ft-addr=%p", type); |
| 1002 | |
| 1003 | if (!structure) { |
| 1004 | BT_LOGE_STR("Failed to allocate one structure field."); |
| 1005 | goto end; |
| 1006 | } |
| 1007 | |
| 1008 | iret = bt_field_structure_initialize((void *) structure, |
| 1009 | (void *) type, &bt_field_structure_methods, |
| 1010 | (bt_field_create_func) bt_field_create_recursive, |
| 1011 | (GDestroyNotify) bt_field_destroy_recursive); |
| 1012 | if (iret) { |
| 1013 | BT_PUT(structure); |
| 1014 | goto end; |
| 1015 | } |
| 1016 | |
| 1017 | BT_LOGD("Created structure field object: addr=%p, ft-addr=%p", |
| 1018 | structure, type); |
| 1019 | |
| 1020 | end: |
| 1021 | return (void *) structure; |
| 1022 | } |
| 1023 | |
| 1024 | static inline |
| 1025 | int bt_field_variant_initialize(struct bt_field *field, |
| 1026 | struct bt_field_type *type, |
| 1027 | struct bt_field_methods *methods, |
| 1028 | bt_field_create_func field_create_func, |
| 1029 | GDestroyNotify field_release_func) |
| 1030 | { |
| 1031 | int ret = 0; |
| 1032 | struct bt_field_type_variant *variant_type = (void *) type; |
| 1033 | struct bt_field_variant *variant = (void *) field; |
| 1034 | size_t i; |
| 1035 | |
| 1036 | BT_LOGD("Initializing variant field object: ft-addr=%p", type); |
| 1037 | bt_field_initialize(field, type, methods); |
| 1038 | ret = bt_field_type_variant_update_choices(type); |
| 1039 | if (ret) { |
| 1040 | BT_LOGE("Cannot update variant field type choices: " |
| 1041 | "ret=%d", ret); |
| 1042 | goto end; |
| 1043 | } |
| 1044 | |
| 1045 | variant->fields = g_ptr_array_new_with_free_func(field_release_func); |
| 1046 | g_ptr_array_set_size(variant->fields, variant_type->choices->len); |
| 1047 | |
| 1048 | /* Create all fields contained in the variant field. */ |
| 1049 | for (i = 0; i < variant_type->choices->len; i++) { |
| 1050 | struct bt_field *field; |
| 1051 | struct bt_field_type_variant_choice *var_choice = |
| 1052 | BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX( |
| 1053 | variant_type, i); |
| 1054 | |
| 1055 | field = field_create_func(var_choice->type); |
| 1056 | if (!field) { |
| 1057 | BT_LOGE("Failed to create variant field's member: name=\"%s\", index=%zu", |
| 1058 | g_quark_to_string(var_choice->name), i); |
| 1059 | ret = -1; |
| 1060 | goto end; |
| 1061 | } |
| 1062 | |
| 1063 | g_ptr_array_index(variant->fields, i) = field; |
| 1064 | } |
| 1065 | |
| 1066 | BT_LOGD("Initialized variant field object: addr=%p, ft-addr=%p", |
| 1067 | field, type); |
| 1068 | |
| 1069 | end: |
| 1070 | return ret; |
| 1071 | } |
| 1072 | |
| 1073 | static inline |
| 1074 | int bt_field_string_initialize(struct bt_field *field, |
| 1075 | struct bt_field_type *type, |
| 1076 | struct bt_field_methods *methods) |
| 1077 | { |
| 1078 | int ret = 0; |
| 1079 | struct bt_field_string *string = (void *) field; |
| 1080 | |
| 1081 | BT_LOGD("Initializing string field object: ft-addr=%p", type); |
| 1082 | bt_field_initialize(field, type, methods); |
| 1083 | string->buf = g_array_sized_new(FALSE, FALSE, sizeof(char), 1); |
| 1084 | if (!string->buf) { |
| 1085 | ret = -1; |
| 1086 | goto end; |
| 1087 | } |
| 1088 | |
| 1089 | g_array_index(string->buf, char, 0) = '\0'; |
| 1090 | BT_LOGD("Initialized string field object: addr=%p, ft-addr=%p", |
| 1091 | field, type); |
| 1092 | |
| 1093 | end: |
| 1094 | return ret; |
| 1095 | } |
| 1096 | |
| 1097 | static |
| 1098 | struct bt_field *bt_field_variant_create(struct bt_field_type *type) |
| 1099 | { |
| 1100 | struct bt_field_variant *variant = g_new0( |
| 1101 | struct bt_field_variant, 1); |
| 1102 | int iret; |
| 1103 | |
| 1104 | BT_LOGD("Creating variant field object: ft-addr=%p", type); |
| 1105 | |
| 1106 | if (!variant) { |
| 1107 | BT_LOGE_STR("Failed to allocate one variant field."); |
| 1108 | goto end; |
| 1109 | } |
| 1110 | |
| 1111 | iret = bt_field_variant_initialize((void *) variant, |
| 1112 | (void *) type, &bt_field_variant_methods, |
| 1113 | (bt_field_create_func) bt_field_create_recursive, |
| 1114 | (GDestroyNotify) bt_field_destroy_recursive); |
| 1115 | if (iret) { |
| 1116 | BT_PUT(variant); |
| 1117 | goto end; |
| 1118 | } |
| 1119 | |
| 1120 | BT_LOGD("Created variant field object: addr=%p, ft-addr=%p", |
| 1121 | variant, type); |
| 1122 | |
| 1123 | end: |
| 1124 | return (void *) variant; |
| 1125 | } |
| 1126 | |
| 1127 | static inline |
| 1128 | int bt_field_array_initialize(struct bt_field *field, |
| 1129 | struct bt_field_type *type, |
| 1130 | struct bt_field_methods *methods, |
| 1131 | bt_field_create_func field_create_func, |
| 1132 | GDestroyNotify field_destroy_func) |
| 1133 | { |
| 1134 | struct bt_field_type_array *array_type = (void *) type; |
| 1135 | struct bt_field_array *array = (void *) field; |
| 1136 | unsigned int array_length; |
| 1137 | int ret = 0; |
| 1138 | uint64_t i; |
| 1139 | |
| 1140 | BT_LOGD("Initializing array field object: ft-addr=%p", type); |
| 1141 | BT_ASSERT(type); |
| 1142 | bt_field_initialize(field, type, methods); |
| 1143 | array_length = array_type->length; |
| 1144 | array->elements = g_ptr_array_sized_new(array_length); |
| 1145 | if (!array->elements) { |
| 1146 | ret = -1; |
| 1147 | goto end; |
| 1148 | } |
| 1149 | |
| 1150 | g_ptr_array_set_free_func(array->elements, field_destroy_func); |
| 1151 | g_ptr_array_set_size(array->elements, array_length); |
| 1152 | |
| 1153 | for (i = 0; i < array_length; i++) { |
| 1154 | array->elements->pdata[i] = field_create_func( |
| 1155 | array_type->element_ft); |
| 1156 | if (!array->elements->pdata[i]) { |
| 1157 | ret = -1; |
| 1158 | goto end; |
| 1159 | } |
| 1160 | } |
| 1161 | |
| 1162 | BT_LOGD("Initialized array field object: addr=%p, ft-addr=%p", |
| 1163 | field, type); |
| 1164 | |
| 1165 | end: |
| 1166 | return ret; |
| 1167 | } |
| 1168 | |
| 1169 | static |
| 1170 | struct bt_field *bt_field_array_create(struct bt_field_type *type) |
| 1171 | { |
| 1172 | struct bt_field_array *array = |
| 1173 | g_new0(struct bt_field_array, 1); |
| 1174 | int ret; |
| 1175 | |
| 1176 | BT_LOGD("Creating array field object: ft-addr=%p", type); |
| 1177 | BT_ASSERT(type); |
| 1178 | |
| 1179 | if (!array) { |
| 1180 | BT_LOGE_STR("Failed to allocate one array field."); |
| 1181 | goto end; |
| 1182 | } |
| 1183 | |
| 1184 | ret = bt_field_array_initialize((void *) array, |
| 1185 | (void *) type, &bt_field_array_methods, |
| 1186 | (bt_field_create_func) bt_field_create_recursive, |
| 1187 | (GDestroyNotify) bt_field_destroy_recursive); |
| 1188 | if (ret) { |
| 1189 | BT_PUT(array); |
| 1190 | goto end; |
| 1191 | } |
| 1192 | |
| 1193 | BT_LOGD("Created array field object: addr=%p, ft-addr=%p", |
| 1194 | array, type); |
| 1195 | |
| 1196 | end: |
| 1197 | return (void *) array; |
| 1198 | } |
| 1199 | |
| 1200 | static inline |
| 1201 | int bt_field_sequence_initialize(struct bt_field *field, |
| 1202 | struct bt_field_type *type, |
| 1203 | struct bt_field_methods *methods, |
| 1204 | GDestroyNotify field_destroy_func) |
| 1205 | { |
| 1206 | struct bt_field_sequence *sequence = (void *) field; |
| 1207 | int ret = 0; |
| 1208 | |
| 1209 | BT_LOGD("Initializing sequence field object: ft-addr=%p", type); |
| 1210 | BT_ASSERT(type); |
| 1211 | bt_field_initialize(field, type, methods); |
| 1212 | sequence->elements = g_ptr_array_new(); |
| 1213 | if (!sequence->elements) { |
| 1214 | ret = -1; |
| 1215 | goto end; |
| 1216 | } |
| 1217 | |
| 1218 | g_ptr_array_set_free_func(sequence->elements, field_destroy_func); |
| 1219 | BT_LOGD("Initialized sequence field object: addr=%p, ft-addr=%p", |
| 1220 | field, type); |
| 1221 | |
| 1222 | end: |
| 1223 | return ret; |
| 1224 | } |
| 1225 | |
| 1226 | static |
| 1227 | struct bt_field *bt_field_sequence_create(struct bt_field_type *type) |
| 1228 | { |
| 1229 | struct bt_field_sequence *sequence = |
| 1230 | g_new0(struct bt_field_sequence, 1); |
| 1231 | int ret; |
| 1232 | |
| 1233 | BT_LOGD("Creating sequence field object: ft-addr=%p", type); |
| 1234 | BT_ASSERT(type); |
| 1235 | |
| 1236 | if (!sequence) { |
| 1237 | BT_LOGE_STR("Failed to allocate one sequence field."); |
| 1238 | goto end; |
| 1239 | } |
| 1240 | |
| 1241 | ret = bt_field_sequence_initialize((void *) sequence, |
| 1242 | (void *) type, &bt_field_sequence_methods, |
| 1243 | (GDestroyNotify) bt_field_destroy_recursive); |
| 1244 | if (ret) { |
| 1245 | BT_PUT(sequence); |
| 1246 | goto end; |
| 1247 | } |
| 1248 | |
| 1249 | BT_LOGD("Created sequence field object: addr=%p, ft-addr=%p", |
| 1250 | sequence, type); |
| 1251 | |
| 1252 | end: |
| 1253 | return (void *) sequence; |
| 1254 | } |
| 1255 | |
| 1256 | static |
| 1257 | struct bt_field *bt_field_string_create(struct bt_field_type *type) |
| 1258 | { |
| 1259 | struct bt_field_string *string = g_new0( |
| 1260 | struct bt_field_string, 1); |
| 1261 | |
| 1262 | BT_LOGD("Creating string field object: ft-addr=%p", type); |
| 1263 | |
| 1264 | if (string) { |
| 1265 | bt_field_string_initialize((void *) string, |
| 1266 | (void *) type, &bt_field_string_methods); |
| 1267 | BT_LOGD("Created string field object: addr=%p, ft-addr=%p", |
| 1268 | string, type); |
| 1269 | } else { |
| 1270 | BT_LOGE_STR("Failed to allocate one string field."); |
| 1271 | } |
| 1272 | |
| 1273 | return (void *) string; |
| 1274 | } |
| 1275 | |
| 1276 | static |
| 1277 | int bt_field_generic_validate(struct bt_field *field) |
| 1278 | { |
| 1279 | return (field && field->payload_set) ? 0 : -1; |
| 1280 | } |
| 1281 | |
| 1282 | static |
| 1283 | int bt_field_structure_validate_recursive(struct bt_field *field) |
| 1284 | { |
| 1285 | int64_t i; |
| 1286 | int ret = 0; |
| 1287 | struct bt_field_structure *structure = (void *) field; |
| 1288 | |
| 1289 | BT_ASSERT(field); |
| 1290 | |
| 1291 | for (i = 0; i < structure->fields->len; i++) { |
| 1292 | ret = bt_field_validate_recursive( |
| 1293 | (void *) structure->fields->pdata[i]); |
| 1294 | |
| 1295 | if (ret) { |
| 1296 | int this_ret; |
| 1297 | const char *name; |
| 1298 | |
| 1299 | this_ret = bt_field_type_structure_borrow_field_by_index( |
| 1300 | field->type, &name, NULL, i); |
| 1301 | BT_ASSERT(this_ret == 0); |
| 1302 | BT_ASSERT_PRE_MSG("Invalid structure field's field: " |
| 1303 | "%![struct-field-]+f, field-name=\"%s\", " |
| 1304 | "index=%" PRId64 ", %![field-]+f", |
| 1305 | field, name, i, structure->fields->pdata[i]); |
| 1306 | goto end; |
| 1307 | } |
| 1308 | } |
| 1309 | |
| 1310 | end: |
| 1311 | return ret; |
| 1312 | } |
| 1313 | |
| 1314 | static |
| 1315 | int bt_field_variant_validate_recursive(struct bt_field *field) |
| 1316 | { |
| 1317 | int ret = 0; |
| 1318 | struct bt_field_variant *variant = (void *) field; |
| 1319 | |
| 1320 | BT_ASSERT(field); |
| 1321 | |
| 1322 | if (!variant->current_field) { |
| 1323 | ret = -1; |
| 1324 | goto end; |
| 1325 | } |
| 1326 | |
| 1327 | ret = bt_field_validate_recursive(variant->current_field); |
| 1328 | |
| 1329 | end: |
| 1330 | return ret; |
| 1331 | } |
| 1332 | |
| 1333 | static |
| 1334 | int bt_field_array_validate_recursive(struct bt_field *field) |
| 1335 | { |
| 1336 | int64_t i; |
| 1337 | int ret = 0; |
| 1338 | struct bt_field_array *array = (void *) field; |
| 1339 | |
| 1340 | BT_ASSERT(field); |
| 1341 | |
| 1342 | for (i = 0; i < array->elements->len; i++) { |
| 1343 | ret = bt_field_validate_recursive((void *) array->elements->pdata[i]); |
| 1344 | if (ret) { |
| 1345 | BT_ASSERT_PRE_MSG("Invalid array field's element field: " |
| 1346 | "%![array-field-]+f, " PRId64 ", " |
| 1347 | "%![elem-field-]+f", |
| 1348 | field, i, array->elements->pdata[i]); |
| 1349 | goto end; |
| 1350 | } |
| 1351 | } |
| 1352 | |
| 1353 | end: |
| 1354 | return ret; |
| 1355 | } |
| 1356 | |
| 1357 | static |
| 1358 | int bt_field_sequence_validate_recursive(struct bt_field *field) |
| 1359 | { |
| 1360 | size_t i; |
| 1361 | int ret = 0; |
| 1362 | struct bt_field_sequence *sequence = (void *) field; |
| 1363 | |
| 1364 | BT_ASSERT(field); |
| 1365 | |
| 1366 | for (i = 0; i < sequence->elements->len; i++) { |
| 1367 | ret = bt_field_validate_recursive( |
| 1368 | (void *) sequence->elements->pdata[i]); |
| 1369 | if (ret) { |
| 1370 | BT_ASSERT_PRE_MSG("Invalid sequence field's element field: " |
| 1371 | "%![seq-field-]+f, " PRId64 ", " |
| 1372 | "%![elem-field-]+f", |
| 1373 | field, i, sequence->elements->pdata[i]); |
| 1374 | goto end; |
| 1375 | } |
| 1376 | } |
| 1377 | end: |
| 1378 | return ret; |
| 1379 | } |
| 1380 | |
| 1381 | static |
| 1382 | void bt_field_generic_reset(struct bt_field *field) |
| 1383 | { |
| 1384 | BT_ASSERT(field); |
| 1385 | field->payload_set = false; |
| 1386 | } |
| 1387 | |
| 1388 | static |
| 1389 | void bt_field_structure_reset_recursive(struct bt_field *field) |
| 1390 | { |
| 1391 | int64_t i; |
| 1392 | struct bt_field_structure *structure = (void *) field; |
| 1393 | |
| 1394 | BT_ASSERT(field); |
| 1395 | |
| 1396 | for (i = 0; i < structure->fields->len; i++) { |
| 1397 | struct bt_field *member = structure->fields->pdata[i]; |
| 1398 | |
| 1399 | if (!member) { |
| 1400 | /* |
| 1401 | * Structure members are lazily initialized; |
| 1402 | * skip if this member has not been allocated |
| 1403 | * yet. |
| 1404 | */ |
| 1405 | continue; |
| 1406 | } |
| 1407 | |
| 1408 | bt_field_reset_recursive(member); |
| 1409 | } |
| 1410 | } |
| 1411 | |
| 1412 | static |
| 1413 | void bt_field_variant_reset_recursive(struct bt_field *field) |
| 1414 | { |
| 1415 | struct bt_field_variant *variant = (void *) field; |
| 1416 | |
| 1417 | BT_ASSERT(field); |
| 1418 | variant->current_field = NULL; |
| 1419 | } |
| 1420 | |
| 1421 | static |
| 1422 | void bt_field_array_reset_recursive(struct bt_field *field) |
| 1423 | { |
| 1424 | size_t i; |
| 1425 | struct bt_field_array *array = (void *) field; |
| 1426 | |
| 1427 | BT_ASSERT(field); |
| 1428 | |
| 1429 | for (i = 0; i < array->elements->len; i++) { |
| 1430 | struct bt_field *member = array->elements->pdata[i]; |
| 1431 | |
| 1432 | if (!member) { |
| 1433 | /* |
| 1434 | * Array elements are lazily initialized; skip |
| 1435 | * if this member has not been allocated yet. |
| 1436 | */ |
| 1437 | continue; |
| 1438 | } |
| 1439 | |
| 1440 | bt_field_reset_recursive(member); |
| 1441 | } |
| 1442 | } |
| 1443 | |
| 1444 | static |
| 1445 | void bt_field_sequence_reset_recursive(struct bt_field *field) |
| 1446 | { |
| 1447 | struct bt_field_sequence *sequence = (void *) field; |
| 1448 | uint64_t i; |
| 1449 | |
| 1450 | BT_ASSERT(field); |
| 1451 | |
| 1452 | for (i = 0; i < sequence->elements->len; i++) { |
| 1453 | if (sequence->elements->pdata[i]) { |
| 1454 | bt_field_reset_recursive( |
| 1455 | sequence->elements->pdata[i]); |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | sequence->length = 0; |
| 1460 | } |
| 1461 | |
| 1462 | static |
| 1463 | void bt_field_generic_set_is_frozen(struct bt_field *field, |
| 1464 | bool is_frozen) |
| 1465 | { |
| 1466 | field->frozen = is_frozen; |
| 1467 | } |
| 1468 | |
| 1469 | static |
| 1470 | void bt_field_structure_set_is_frozen_recursive( |
| 1471 | struct bt_field *field, bool is_frozen) |
| 1472 | { |
| 1473 | uint64_t i; |
| 1474 | struct bt_field_structure *structure_field = (void *) field; |
| 1475 | |
| 1476 | BT_LOGD("Freezing structure field object: addr=%p", field); |
| 1477 | |
| 1478 | for (i = 0; i < structure_field->fields->len; i++) { |
| 1479 | struct bt_field *struct_field = |
| 1480 | g_ptr_array_index(structure_field->fields, i); |
| 1481 | |
| 1482 | BT_LOGD("Freezing structure field's field: field-addr=%p, index=%" PRId64, |
| 1483 | struct_field, i); |
| 1484 | bt_field_set_is_frozen_recursive(struct_field, |
| 1485 | is_frozen); |
| 1486 | } |
| 1487 | |
| 1488 | bt_field_generic_set_is_frozen(field, is_frozen); |
| 1489 | } |
| 1490 | |
| 1491 | static |
| 1492 | void bt_field_variant_set_is_frozen_recursive( |
| 1493 | struct bt_field *field, bool is_frozen) |
| 1494 | { |
| 1495 | uint64_t i; |
| 1496 | struct bt_field_variant *variant_field = (void *) field; |
| 1497 | |
| 1498 | BT_LOGD("Freezing variant field object: addr=%p", field); |
| 1499 | |
| 1500 | for (i = 0; i < variant_field->fields->len; i++) { |
| 1501 | struct bt_field *var_field = |
| 1502 | g_ptr_array_index(variant_field->fields, i); |
| 1503 | |
| 1504 | BT_LOGD("Freezing variant field's field: field-addr=%p, index=%" PRId64, |
| 1505 | var_field, i); |
| 1506 | bt_field_set_is_frozen_recursive(var_field, is_frozen); |
| 1507 | } |
| 1508 | |
| 1509 | bt_field_generic_set_is_frozen(field, is_frozen); |
| 1510 | } |
| 1511 | |
| 1512 | static |
| 1513 | void bt_field_array_set_is_frozen_recursive( |
| 1514 | struct bt_field *field, bool is_frozen) |
| 1515 | { |
| 1516 | int64_t i; |
| 1517 | struct bt_field_array *array_field = (void *) field; |
| 1518 | |
| 1519 | BT_LOGD("Freezing array field object: addr=%p", field); |
| 1520 | |
| 1521 | for (i = 0; i < array_field->elements->len; i++) { |
| 1522 | struct bt_field *elem_field = |
| 1523 | g_ptr_array_index(array_field->elements, i); |
| 1524 | |
| 1525 | BT_LOGD("Freezing array field object's element field: " |
| 1526 | "element-field-addr=%p, index=%" PRId64, |
| 1527 | elem_field, i); |
| 1528 | bt_field_set_is_frozen_recursive(elem_field, is_frozen); |
| 1529 | } |
| 1530 | |
| 1531 | bt_field_generic_set_is_frozen(field, is_frozen); |
| 1532 | } |
| 1533 | |
| 1534 | static |
| 1535 | void bt_field_sequence_set_is_frozen_recursive( |
| 1536 | struct bt_field *field, bool is_frozen) |
| 1537 | { |
| 1538 | int64_t i; |
| 1539 | struct bt_field_sequence *sequence_field = (void *) field; |
| 1540 | |
| 1541 | BT_LOGD("Freezing sequence field object: addr=%p", field); |
| 1542 | |
| 1543 | for (i = 0; i < sequence_field->length; i++) { |
| 1544 | struct bt_field *elem_field = |
| 1545 | g_ptr_array_index(sequence_field->elements, i); |
| 1546 | |
| 1547 | BT_LOGD("Freezing sequence field object's element field: " |
| 1548 | "element-field-addr=%p, index=%" PRId64, |
| 1549 | elem_field, i); |
| 1550 | bt_field_set_is_frozen_recursive(elem_field, is_frozen); |
| 1551 | } |
| 1552 | |
| 1553 | bt_field_generic_set_is_frozen(field, is_frozen); |
| 1554 | } |
| 1555 | |
| 1556 | BT_HIDDEN |
| 1557 | void _bt_field_set_is_frozen_recursive(struct bt_field *field, |
| 1558 | bool is_frozen) |
| 1559 | { |
| 1560 | if (!field) { |
| 1561 | goto end; |
| 1562 | } |
| 1563 | |
| 1564 | BT_LOGD("Setting field object's frozen state: addr=%p, is-frozen=%d", |
| 1565 | field, is_frozen); |
| 1566 | BT_ASSERT(bt_field_type_has_known_id(field->type)); |
| 1567 | BT_ASSERT(field->methods->set_is_frozen); |
| 1568 | field->methods->set_is_frozen(field, is_frozen); |
| 1569 | |
| 1570 | end: |
| 1571 | return; |
| 1572 | } |
| 1573 | |
| 1574 | static |
| 1575 | bt_bool bt_field_generic_is_set(struct bt_field *field) |
| 1576 | { |
| 1577 | return field && field->payload_set; |
| 1578 | } |
| 1579 | |
| 1580 | static |
| 1581 | bt_bool bt_field_structure_is_set_recursive( |
| 1582 | struct bt_field *field) |
| 1583 | { |
| 1584 | bt_bool is_set = BT_FALSE; |
| 1585 | size_t i; |
| 1586 | struct bt_field_structure *structure = (void *) field; |
| 1587 | |
| 1588 | BT_ASSERT(field); |
| 1589 | |
| 1590 | for (i = 0; i < structure->fields->len; i++) { |
| 1591 | is_set = bt_field_is_set_recursive( |
| 1592 | structure->fields->pdata[i]); |
| 1593 | if (!is_set) { |
| 1594 | goto end; |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | end: |
| 1599 | return is_set; |
| 1600 | } |
| 1601 | |
| 1602 | static |
| 1603 | bt_bool bt_field_variant_is_set_recursive(struct bt_field *field) |
| 1604 | { |
| 1605 | struct bt_field_variant *variant = (void *) field; |
| 1606 | bt_bool is_set = BT_FALSE; |
| 1607 | |
| 1608 | BT_ASSERT(field); |
| 1609 | |
| 1610 | if (variant->current_field) { |
| 1611 | is_set = bt_field_is_set_recursive( |
| 1612 | variant->current_field); |
| 1613 | } |
| 1614 | |
| 1615 | return is_set; |
| 1616 | } |
| 1617 | |
| 1618 | static |
| 1619 | bt_bool bt_field_array_is_set_recursive(struct bt_field *field) |
| 1620 | { |
| 1621 | size_t i; |
| 1622 | bt_bool is_set = BT_FALSE; |
| 1623 | struct bt_field_array *array = (void *) field; |
| 1624 | |
| 1625 | BT_ASSERT(field); |
| 1626 | |
| 1627 | for (i = 0; i < array->elements->len; i++) { |
| 1628 | is_set = bt_field_is_set_recursive(array->elements->pdata[i]); |
| 1629 | if (!is_set) { |
| 1630 | goto end; |
| 1631 | } |
| 1632 | } |
| 1633 | |
| 1634 | end: |
| 1635 | return is_set; |
| 1636 | } |
| 1637 | |
| 1638 | static |
| 1639 | bt_bool bt_field_sequence_is_set_recursive(struct bt_field *field) |
| 1640 | { |
| 1641 | size_t i; |
| 1642 | bt_bool is_set = BT_FALSE; |
| 1643 | struct bt_field_sequence *sequence = (void *) field; |
| 1644 | |
| 1645 | BT_ASSERT(field); |
| 1646 | |
| 1647 | if (!sequence->elements) { |
| 1648 | goto end; |
| 1649 | } |
| 1650 | |
| 1651 | for (i = 0; i < sequence->elements->len; i++) { |
| 1652 | is_set = bt_field_is_set_recursive( |
| 1653 | sequence->elements->pdata[i]); |
| 1654 | if (!is_set) { |
| 1655 | goto end; |
| 1656 | } |
| 1657 | } |
| 1658 | |
| 1659 | end: |
| 1660 | return is_set; |
| 1661 | } |