| 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 | #include <babeltrace/ctf-ir/fields-internal.h> |
| 30 | #include <babeltrace/ctf-ir/field-types-internal.h> |
| 31 | #include <babeltrace/ctf-writer/serialize-internal.h> |
| 32 | #include <babeltrace/object-internal.h> |
| 33 | #include <babeltrace/ref.h> |
| 34 | #include <babeltrace/compiler.h> |
| 35 | #include <babeltrace/compat/fcntl.h> |
| 36 | #include <babeltrace/align.h> |
| 37 | |
| 38 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) |
| 39 | |
| 40 | static |
| 41 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); |
| 42 | static |
| 43 | struct bt_ctf_field *bt_ctf_field_enumeration_create( |
| 44 | struct bt_ctf_field_type *); |
| 45 | static |
| 46 | struct bt_ctf_field *bt_ctf_field_floating_point_create( |
| 47 | struct bt_ctf_field_type *); |
| 48 | static |
| 49 | struct bt_ctf_field *bt_ctf_field_structure_create( |
| 50 | struct bt_ctf_field_type *); |
| 51 | static |
| 52 | struct bt_ctf_field *bt_ctf_field_variant_create( |
| 53 | struct bt_ctf_field_type *); |
| 54 | static |
| 55 | struct bt_ctf_field *bt_ctf_field_array_create( |
| 56 | struct bt_ctf_field_type *); |
| 57 | static |
| 58 | struct bt_ctf_field *bt_ctf_field_sequence_create( |
| 59 | struct bt_ctf_field_type *); |
| 60 | static |
| 61 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); |
| 62 | |
| 63 | static |
| 64 | void bt_ctf_field_destroy(struct bt_object *); |
| 65 | static |
| 66 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); |
| 67 | static |
| 68 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); |
| 69 | static |
| 70 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); |
| 71 | static |
| 72 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); |
| 73 | static |
| 74 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); |
| 75 | static |
| 76 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); |
| 77 | static |
| 78 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); |
| 79 | static |
| 80 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); |
| 81 | |
| 82 | static |
| 83 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
| 84 | static |
| 85 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
| 86 | static |
| 87 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
| 88 | static |
| 89 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
| 90 | static |
| 91 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
| 92 | static |
| 93 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
| 94 | |
| 95 | static |
| 96 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
| 97 | static |
| 98 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
| 99 | static |
| 100 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
| 101 | static |
| 102 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
| 103 | static |
| 104 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
| 105 | static |
| 106 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
| 107 | static |
| 108 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
| 109 | |
| 110 | static |
| 111 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, |
| 112 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 113 | static |
| 114 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, |
| 115 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 116 | static |
| 117 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, |
| 118 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 119 | static |
| 120 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, |
| 121 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 122 | static |
| 123 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, |
| 124 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 125 | static |
| 126 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, |
| 127 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 128 | static |
| 129 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, |
| 130 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 131 | static |
| 132 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, |
| 133 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 134 | |
| 135 | static |
| 136 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 137 | static |
| 138 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 139 | static |
| 140 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, |
| 141 | struct bt_ctf_field *); |
| 142 | static |
| 143 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 144 | static |
| 145 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 146 | static |
| 147 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 148 | static |
| 149 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 150 | static |
| 151 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 152 | |
| 153 | static |
| 154 | void generic_field_freeze(struct bt_ctf_field *); |
| 155 | static |
| 156 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *); |
| 157 | static |
| 158 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *); |
| 159 | static |
| 160 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *); |
| 161 | static |
| 162 | void bt_ctf_field_array_freeze(struct bt_ctf_field *); |
| 163 | static |
| 164 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *); |
| 165 | |
| 166 | static |
| 167 | bool bt_ctf_field_generic_is_set(struct bt_ctf_field *); |
| 168 | static |
| 169 | bool bt_ctf_field_structure_is_set(struct bt_ctf_field *); |
| 170 | static |
| 171 | bool bt_ctf_field_variant_is_set(struct bt_ctf_field *); |
| 172 | static |
| 173 | bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *); |
| 174 | static |
| 175 | bool bt_ctf_field_array_is_set(struct bt_ctf_field *); |
| 176 | static |
| 177 | bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *); |
| 178 | |
| 179 | static |
| 180 | int increase_packet_size(struct bt_ctf_stream_pos *pos); |
| 181 | |
| 182 | static |
| 183 | struct bt_ctf_field *(* const field_create_funcs[])( |
| 184 | struct bt_ctf_field_type *) = { |
| 185 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_create, |
| 186 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create, |
| 187 | [BT_CTF_TYPE_ID_FLOAT] = |
| 188 | bt_ctf_field_floating_point_create, |
| 189 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_create, |
| 190 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_create, |
| 191 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_create, |
| 192 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create, |
| 193 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_create, |
| 194 | }; |
| 195 | |
| 196 | static |
| 197 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
| 198 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy, |
| 199 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy, |
| 200 | [BT_CTF_TYPE_ID_FLOAT] = |
| 201 | bt_ctf_field_floating_point_destroy, |
| 202 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy, |
| 203 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy, |
| 204 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy, |
| 205 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy, |
| 206 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_destroy, |
| 207 | }; |
| 208 | |
| 209 | static |
| 210 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
| 211 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate, |
| 212 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate, |
| 213 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate, |
| 214 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate, |
| 215 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate, |
| 216 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_validate, |
| 217 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate, |
| 218 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_validate, |
| 219 | }; |
| 220 | |
| 221 | static |
| 222 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
| 223 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset, |
| 224 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset, |
| 225 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset, |
| 226 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset, |
| 227 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset, |
| 228 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_reset, |
| 229 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset, |
| 230 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_reset, |
| 231 | }; |
| 232 | |
| 233 | static |
| 234 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
| 235 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order) = { |
| 236 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize, |
| 237 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize, |
| 238 | [BT_CTF_TYPE_ID_FLOAT] = |
| 239 | bt_ctf_field_floating_point_serialize, |
| 240 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize, |
| 241 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize, |
| 242 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize, |
| 243 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize, |
| 244 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_serialize, |
| 245 | }; |
| 246 | |
| 247 | static |
| 248 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
| 249 | struct bt_ctf_field *) = { |
| 250 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy, |
| 251 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy, |
| 252 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy, |
| 253 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy, |
| 254 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy, |
| 255 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_copy, |
| 256 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy, |
| 257 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_copy, |
| 258 | }; |
| 259 | |
| 260 | static |
| 261 | void (* const field_freeze_funcs[])(struct bt_ctf_field *) = { |
| 262 | [BT_CTF_TYPE_ID_INTEGER] = generic_field_freeze, |
| 263 | [BT_CTF_TYPE_ID_FLOAT] = generic_field_freeze, |
| 264 | [BT_CTF_TYPE_ID_STRING] = generic_field_freeze, |
| 265 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_freeze, |
| 266 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_freeze, |
| 267 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_freeze, |
| 268 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_freeze, |
| 269 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_freeze, |
| 270 | }; |
| 271 | |
| 272 | static |
| 273 | bool (* const field_is_set_funcs[])(struct bt_ctf_field *) = { |
| 274 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_is_set, |
| 275 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_is_set, |
| 276 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_is_set, |
| 277 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_is_set, |
| 278 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_is_set, |
| 279 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_is_set, |
| 280 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_is_set, |
| 281 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_is_set, |
| 282 | }; |
| 283 | |
| 284 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
| 285 | { |
| 286 | struct bt_ctf_field *field = NULL; |
| 287 | enum bt_ctf_type_id type_id; |
| 288 | int ret; |
| 289 | |
| 290 | if (!type) { |
| 291 | goto error; |
| 292 | } |
| 293 | |
| 294 | type_id = bt_ctf_field_type_get_type_id(type); |
| 295 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
| 296 | type_id >= BT_CTF_NR_TYPE_IDS) { |
| 297 | goto error; |
| 298 | } |
| 299 | |
| 300 | /* Field class MUST be valid */ |
| 301 | ret = bt_ctf_field_type_validate(type); |
| 302 | |
| 303 | if (ret) { |
| 304 | /* Invalid */ |
| 305 | goto error; |
| 306 | } |
| 307 | |
| 308 | field = field_create_funcs[type_id](type); |
| 309 | if (!field) { |
| 310 | goto error; |
| 311 | } |
| 312 | |
| 313 | /* The type's declaration can't change after this point */ |
| 314 | bt_ctf_field_type_freeze(type); |
| 315 | bt_get(type); |
| 316 | bt_object_init(field, bt_ctf_field_destroy); |
| 317 | field->type = type; |
| 318 | error: |
| 319 | return field; |
| 320 | } |
| 321 | |
| 322 | void bt_ctf_field_get(struct bt_ctf_field *field) |
| 323 | { |
| 324 | bt_get(field); |
| 325 | } |
| 326 | |
| 327 | void bt_ctf_field_put(struct bt_ctf_field *field) |
| 328 | { |
| 329 | bt_put(field); |
| 330 | } |
| 331 | |
| 332 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
| 333 | { |
| 334 | struct bt_ctf_field_type *ret = NULL; |
| 335 | |
| 336 | if (!field) { |
| 337 | goto end; |
| 338 | } |
| 339 | |
| 340 | ret = field->type; |
| 341 | bt_get(ret); |
| 342 | end: |
| 343 | return ret; |
| 344 | } |
| 345 | |
| 346 | enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
| 347 | { |
| 348 | enum bt_ctf_type_id ret = BT_CTF_TYPE_ID_UNKNOWN; |
| 349 | |
| 350 | if (!field) { |
| 351 | goto end; |
| 352 | } |
| 353 | |
| 354 | ret = bt_ctf_field_type_get_type_id(field->type); |
| 355 | end: |
| 356 | return ret; |
| 357 | } |
| 358 | |
| 359 | int bt_ctf_field_is_integer(struct bt_ctf_field *field) |
| 360 | { |
| 361 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_INTEGER; |
| 362 | } |
| 363 | |
| 364 | int bt_ctf_field_is_floating_point(struct bt_ctf_field *field) |
| 365 | { |
| 366 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_FLOAT; |
| 367 | } |
| 368 | |
| 369 | int bt_ctf_field_is_enumeration(struct bt_ctf_field *field) |
| 370 | { |
| 371 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ENUM; |
| 372 | } |
| 373 | |
| 374 | int bt_ctf_field_is_string(struct bt_ctf_field *field) |
| 375 | { |
| 376 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRING; |
| 377 | } |
| 378 | |
| 379 | int bt_ctf_field_is_structure(struct bt_ctf_field *field) |
| 380 | { |
| 381 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRUCT; |
| 382 | } |
| 383 | |
| 384 | int bt_ctf_field_is_array(struct bt_ctf_field *field) |
| 385 | { |
| 386 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ARRAY; |
| 387 | } |
| 388 | |
| 389 | int bt_ctf_field_is_sequence(struct bt_ctf_field *field) |
| 390 | { |
| 391 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_SEQUENCE; |
| 392 | } |
| 393 | |
| 394 | int bt_ctf_field_is_variant(struct bt_ctf_field *field) |
| 395 | { |
| 396 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_VARIANT; |
| 397 | } |
| 398 | |
| 399 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
| 400 | struct bt_ctf_field *field) |
| 401 | { |
| 402 | struct bt_ctf_field *ret = NULL; |
| 403 | struct bt_ctf_field_sequence *sequence; |
| 404 | |
| 405 | if (!field) { |
| 406 | goto end; |
| 407 | } |
| 408 | |
| 409 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 410 | BT_CTF_TYPE_ID_SEQUENCE) { |
| 411 | goto end; |
| 412 | } |
| 413 | |
| 414 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 415 | ret = sequence->length; |
| 416 | bt_get(ret); |
| 417 | end: |
| 418 | return ret; |
| 419 | } |
| 420 | |
| 421 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
| 422 | struct bt_ctf_field *length_field) |
| 423 | { |
| 424 | int ret = 0; |
| 425 | struct bt_ctf_field_type_integer *length_type; |
| 426 | struct bt_ctf_field_integer *length; |
| 427 | struct bt_ctf_field_sequence *sequence; |
| 428 | uint64_t sequence_length; |
| 429 | |
| 430 | if (!field || !length_field || field->frozen) { |
| 431 | ret = -1; |
| 432 | goto end; |
| 433 | } |
| 434 | if (bt_ctf_field_type_get_type_id(length_field->type) != |
| 435 | BT_CTF_TYPE_ID_INTEGER) { |
| 436 | ret = -1; |
| 437 | goto end; |
| 438 | } |
| 439 | |
| 440 | length_type = container_of(length_field->type, |
| 441 | struct bt_ctf_field_type_integer, parent); |
| 442 | /* The length field must be unsigned */ |
| 443 | if (length_type->is_signed) { |
| 444 | ret = -1; |
| 445 | goto end; |
| 446 | } |
| 447 | |
| 448 | length = container_of(length_field, struct bt_ctf_field_integer, |
| 449 | parent); |
| 450 | sequence_length = length->payload.unsignd; |
| 451 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 452 | if (sequence->elements) { |
| 453 | g_ptr_array_free(sequence->elements, TRUE); |
| 454 | bt_put(sequence->length); |
| 455 | } |
| 456 | |
| 457 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
| 458 | if (!sequence->elements) { |
| 459 | ret = -1; |
| 460 | goto end; |
| 461 | } |
| 462 | |
| 463 | g_ptr_array_set_free_func(sequence->elements, |
| 464 | (GDestroyNotify) bt_put); |
| 465 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); |
| 466 | bt_get(length_field); |
| 467 | sequence->length = length_field; |
| 468 | end: |
| 469 | return ret; |
| 470 | } |
| 471 | |
| 472 | struct bt_ctf_field *bt_ctf_field_structure_get_field( |
| 473 | struct bt_ctf_field *field, const char *name) |
| 474 | { |
| 475 | struct bt_ctf_field *new_field = NULL; |
| 476 | GQuark field_quark; |
| 477 | struct bt_ctf_field_structure *structure; |
| 478 | struct bt_ctf_field_type *field_type = NULL; |
| 479 | size_t index; |
| 480 | |
| 481 | if (!field || !name || |
| 482 | bt_ctf_field_type_get_type_id(field->type) != |
| 483 | BT_CTF_TYPE_ID_STRUCT) { |
| 484 | goto error; |
| 485 | } |
| 486 | |
| 487 | field_quark = g_quark_from_string(name); |
| 488 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 489 | field_type = |
| 490 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, |
| 491 | name); |
| 492 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 493 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { |
| 494 | goto error; |
| 495 | } |
| 496 | |
| 497 | if (structure->fields->pdata[index]) { |
| 498 | new_field = structure->fields->pdata[index]; |
| 499 | goto end; |
| 500 | } |
| 501 | |
| 502 | /* We don't want to modify this field if it's frozen */ |
| 503 | if (field->frozen) { |
| 504 | goto end; |
| 505 | } |
| 506 | |
| 507 | new_field = bt_ctf_field_create(field_type); |
| 508 | if (!new_field) { |
| 509 | goto error; |
| 510 | } |
| 511 | |
| 512 | structure->fields->pdata[index] = new_field; |
| 513 | end: |
| 514 | bt_get(new_field); |
| 515 | error: |
| 516 | if (field_type) { |
| 517 | bt_put(field_type); |
| 518 | } |
| 519 | return new_field; |
| 520 | } |
| 521 | |
| 522 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
| 523 | struct bt_ctf_field *field, int index) |
| 524 | { |
| 525 | int ret; |
| 526 | const char *field_name; |
| 527 | struct bt_ctf_field_structure *structure; |
| 528 | struct bt_ctf_field_type *structure_type; |
| 529 | struct bt_ctf_field_type *field_type = NULL; |
| 530 | struct bt_ctf_field *ret_field = NULL; |
| 531 | |
| 532 | if (!field || |
| 533 | bt_ctf_field_type_get_type_id(field->type) != |
| 534 | BT_CTF_TYPE_ID_STRUCT) { |
| 535 | goto end; |
| 536 | } |
| 537 | |
| 538 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 539 | if (index >= structure->fields->len) { |
| 540 | goto error; |
| 541 | } |
| 542 | |
| 543 | ret_field = structure->fields->pdata[index]; |
| 544 | if (ret_field) { |
| 545 | goto end; |
| 546 | } |
| 547 | |
| 548 | /* We don't want to modify this field if it's frozen */ |
| 549 | if (field->frozen) { |
| 550 | goto end; |
| 551 | } |
| 552 | |
| 553 | /* Field has not been instanciated yet, create it */ |
| 554 | structure_type = bt_ctf_field_get_type(field); |
| 555 | if (!structure_type) { |
| 556 | goto error; |
| 557 | } |
| 558 | |
| 559 | ret = bt_ctf_field_type_structure_get_field(structure_type, |
| 560 | &field_name, &field_type, index); |
| 561 | bt_put(structure_type); |
| 562 | if (ret) { |
| 563 | goto error; |
| 564 | } |
| 565 | |
| 566 | ret_field = bt_ctf_field_create(field_type); |
| 567 | if (!ret_field) { |
| 568 | goto error; |
| 569 | } |
| 570 | |
| 571 | structure->fields->pdata[index] = ret_field; |
| 572 | end: |
| 573 | bt_get(ret_field); |
| 574 | error: |
| 575 | bt_put(field_type); |
| 576 | return ret_field; |
| 577 | } |
| 578 | |
| 579 | BT_HIDDEN |
| 580 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, |
| 581 | const char *name, struct bt_ctf_field *value) |
| 582 | { |
| 583 | int ret = 0; |
| 584 | GQuark field_quark; |
| 585 | struct bt_ctf_field_structure *structure; |
| 586 | struct bt_ctf_field_type *expected_field_type = NULL; |
| 587 | size_t index; |
| 588 | |
| 589 | if (!field || !name || !value || field->frozen || |
| 590 | bt_ctf_field_type_get_type_id(field->type) != |
| 591 | BT_CTF_TYPE_ID_STRUCT) { |
| 592 | ret = -1; |
| 593 | goto end; |
| 594 | } |
| 595 | |
| 596 | field_quark = g_quark_from_string(name); |
| 597 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 598 | expected_field_type = |
| 599 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, |
| 600 | name); |
| 601 | |
| 602 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { |
| 603 | ret = -1; |
| 604 | goto end; |
| 605 | } |
| 606 | |
| 607 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 608 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { |
| 609 | goto end; |
| 610 | } |
| 611 | |
| 612 | if (structure->fields->pdata[index]) { |
| 613 | bt_put(structure->fields->pdata[index]); |
| 614 | } |
| 615 | |
| 616 | structure->fields->pdata[index] = value; |
| 617 | bt_get(value); |
| 618 | end: |
| 619 | if (expected_field_type) { |
| 620 | bt_put(expected_field_type); |
| 621 | } |
| 622 | return ret; |
| 623 | } |
| 624 | |
| 625 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, |
| 626 | uint64_t index) |
| 627 | { |
| 628 | struct bt_ctf_field *new_field = NULL; |
| 629 | struct bt_ctf_field_type *field_type = NULL; |
| 630 | struct bt_ctf_field_array *array; |
| 631 | |
| 632 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
| 633 | BT_CTF_TYPE_ID_ARRAY) { |
| 634 | goto end; |
| 635 | } |
| 636 | |
| 637 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 638 | if (index >= array->elements->len) { |
| 639 | goto end; |
| 640 | } |
| 641 | |
| 642 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
| 643 | if (array->elements->pdata[(size_t)index]) { |
| 644 | new_field = array->elements->pdata[(size_t)index]; |
| 645 | goto end; |
| 646 | } |
| 647 | |
| 648 | /* We don't want to modify this field if it's frozen */ |
| 649 | if (field->frozen) { |
| 650 | goto end; |
| 651 | } |
| 652 | |
| 653 | new_field = bt_ctf_field_create(field_type); |
| 654 | array->elements->pdata[(size_t)index] = new_field; |
| 655 | end: |
| 656 | if (field_type) { |
| 657 | bt_put(field_type); |
| 658 | } |
| 659 | if (new_field) { |
| 660 | bt_get(new_field); |
| 661 | } |
| 662 | return new_field; |
| 663 | } |
| 664 | |
| 665 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, |
| 666 | uint64_t index) |
| 667 | { |
| 668 | struct bt_ctf_field *new_field = NULL; |
| 669 | struct bt_ctf_field_type *field_type = NULL; |
| 670 | struct bt_ctf_field_sequence *sequence; |
| 671 | |
| 672 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
| 673 | BT_CTF_TYPE_ID_SEQUENCE) { |
| 674 | goto end; |
| 675 | } |
| 676 | |
| 677 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 678 | if (!sequence->elements || sequence->elements->len <= index) { |
| 679 | goto end; |
| 680 | } |
| 681 | |
| 682 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
| 683 | if (sequence->elements->pdata[(size_t) index]) { |
| 684 | new_field = sequence->elements->pdata[(size_t) index]; |
| 685 | goto end; |
| 686 | } |
| 687 | |
| 688 | /* We don't want to modify this field if it's frozen */ |
| 689 | if (field->frozen) { |
| 690 | goto end; |
| 691 | } |
| 692 | |
| 693 | new_field = bt_ctf_field_create(field_type); |
| 694 | sequence->elements->pdata[(size_t) index] = new_field; |
| 695 | end: |
| 696 | if (field_type) { |
| 697 | bt_put(field_type); |
| 698 | } |
| 699 | if (new_field) { |
| 700 | bt_get(new_field); |
| 701 | } |
| 702 | return new_field; |
| 703 | } |
| 704 | |
| 705 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, |
| 706 | struct bt_ctf_field *tag_field) |
| 707 | { |
| 708 | struct bt_ctf_field *new_field = NULL; |
| 709 | struct bt_ctf_field_variant *variant; |
| 710 | struct bt_ctf_field_type_variant *variant_type; |
| 711 | struct bt_ctf_field_type *field_type; |
| 712 | struct bt_ctf_field *tag_enum = NULL; |
| 713 | struct bt_ctf_field_integer *tag_enum_integer; |
| 714 | int64_t tag_enum_value; |
| 715 | |
| 716 | if (!field || !tag_field || |
| 717 | bt_ctf_field_type_get_type_id(field->type) != |
| 718 | BT_CTF_TYPE_ID_VARIANT || |
| 719 | bt_ctf_field_type_get_type_id(tag_field->type) != |
| 720 | BT_CTF_TYPE_ID_ENUM) { |
| 721 | goto end; |
| 722 | } |
| 723 | |
| 724 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 725 | variant_type = container_of(field->type, |
| 726 | struct bt_ctf_field_type_variant, parent); |
| 727 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); |
| 728 | if (!tag_enum) { |
| 729 | goto end; |
| 730 | } |
| 731 | |
| 732 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, |
| 733 | parent); |
| 734 | |
| 735 | if (bt_ctf_field_validate(tag_field) < 0) { |
| 736 | goto end; |
| 737 | } |
| 738 | |
| 739 | tag_enum_value = tag_enum_integer->payload.signd; |
| 740 | |
| 741 | /* |
| 742 | * If the variant currently has a tag and a payload, and if the |
| 743 | * requested tag value is the same as the current one, return |
| 744 | * the current payload instead of creating a fresh one. |
| 745 | */ |
| 746 | if (variant->tag && variant->payload) { |
| 747 | struct bt_ctf_field *cur_tag_container = NULL; |
| 748 | struct bt_ctf_field_integer *cur_tag_enum_integer; |
| 749 | int64_t cur_tag_value; |
| 750 | |
| 751 | cur_tag_container = |
| 752 | bt_ctf_field_enumeration_get_container(variant->tag); |
| 753 | assert(cur_tag_container); |
| 754 | cur_tag_enum_integer = container_of(cur_tag_container, |
| 755 | struct bt_ctf_field_integer, parent); |
| 756 | bt_put(cur_tag_container); |
| 757 | cur_tag_value = cur_tag_enum_integer->payload.signd; |
| 758 | |
| 759 | if (cur_tag_value == tag_enum_value) { |
| 760 | new_field = variant->payload; |
| 761 | bt_get(new_field); |
| 762 | goto end; |
| 763 | } |
| 764 | } |
| 765 | |
| 766 | /* We don't want to modify this field if it's frozen */ |
| 767 | if (field->frozen) { |
| 768 | goto end; |
| 769 | } |
| 770 | |
| 771 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
| 772 | variant_type, tag_enum_value); |
| 773 | if (!field_type) { |
| 774 | goto end; |
| 775 | } |
| 776 | |
| 777 | new_field = bt_ctf_field_create(field_type); |
| 778 | if (!new_field) { |
| 779 | goto end; |
| 780 | } |
| 781 | |
| 782 | bt_put(variant->tag); |
| 783 | bt_put(variant->payload); |
| 784 | bt_get(new_field); |
| 785 | bt_get(tag_field); |
| 786 | variant->tag = tag_field; |
| 787 | variant->payload = new_field; |
| 788 | end: |
| 789 | bt_put(tag_enum); |
| 790 | return new_field; |
| 791 | } |
| 792 | |
| 793 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
| 794 | struct bt_ctf_field *variant_field) |
| 795 | { |
| 796 | struct bt_ctf_field *current_field = NULL; |
| 797 | struct bt_ctf_field_variant *variant; |
| 798 | |
| 799 | if (!variant_field || |
| 800 | bt_ctf_field_type_get_type_id(variant_field->type) != |
| 801 | BT_CTF_TYPE_ID_VARIANT) { |
| 802 | goto end; |
| 803 | } |
| 804 | |
| 805 | variant = container_of(variant_field, struct bt_ctf_field_variant, |
| 806 | parent); |
| 807 | |
| 808 | if (variant->payload) { |
| 809 | current_field = variant->payload; |
| 810 | bt_get(current_field); |
| 811 | goto end; |
| 812 | } |
| 813 | |
| 814 | end: |
| 815 | return current_field; |
| 816 | } |
| 817 | |
| 818 | struct bt_ctf_field *bt_ctf_field_variant_get_tag( |
| 819 | struct bt_ctf_field *variant_field) |
| 820 | { |
| 821 | struct bt_ctf_field *tag = NULL; |
| 822 | struct bt_ctf_field_variant *variant; |
| 823 | |
| 824 | if (!variant_field || |
| 825 | bt_ctf_field_type_get_type_id(variant_field->type) != |
| 826 | BT_CTF_TYPE_ID_VARIANT) { |
| 827 | goto end; |
| 828 | } |
| 829 | |
| 830 | variant = container_of(variant_field, struct bt_ctf_field_variant, |
| 831 | parent); |
| 832 | if (variant->tag) { |
| 833 | tag = bt_get(variant->tag); |
| 834 | } |
| 835 | end: |
| 836 | return tag; |
| 837 | } |
| 838 | |
| 839 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
| 840 | struct bt_ctf_field *field) |
| 841 | { |
| 842 | struct bt_ctf_field *container = NULL; |
| 843 | struct bt_ctf_field_enumeration *enumeration; |
| 844 | |
| 845 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
| 846 | BT_CTF_TYPE_ID_ENUM) { |
| 847 | goto end; |
| 848 | } |
| 849 | |
| 850 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 851 | parent); |
| 852 | if (!enumeration->payload) { |
| 853 | /* We don't want to modify this field if it's frozen */ |
| 854 | if (field->frozen) { |
| 855 | goto end; |
| 856 | } |
| 857 | |
| 858 | struct bt_ctf_field_type_enumeration *enumeration_type = |
| 859 | container_of(field->type, |
| 860 | struct bt_ctf_field_type_enumeration, parent); |
| 861 | enumeration->payload = |
| 862 | bt_ctf_field_create(enumeration_type->container); |
| 863 | } |
| 864 | |
| 865 | container = enumeration->payload; |
| 866 | bt_get(container); |
| 867 | end: |
| 868 | return container; |
| 869 | } |
| 870 | |
| 871 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
| 872 | bt_ctf_field_enumeration_get_mappings(struct bt_ctf_field *field) |
| 873 | { |
| 874 | int ret; |
| 875 | struct bt_ctf_field *container = NULL; |
| 876 | struct bt_ctf_field_type *container_type = NULL; |
| 877 | struct bt_ctf_field_type_integer *integer_type = NULL; |
| 878 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL; |
| 879 | |
| 880 | container = bt_ctf_field_enumeration_get_container(field); |
| 881 | if (!container) { |
| 882 | goto end; |
| 883 | } |
| 884 | |
| 885 | container_type = bt_ctf_field_get_type(container); |
| 886 | if (!container_type) { |
| 887 | goto error_put_container; |
| 888 | } |
| 889 | |
| 890 | integer_type = container_of(container_type, |
| 891 | struct bt_ctf_field_type_integer, parent); |
| 892 | |
| 893 | if (!integer_type->is_signed) { |
| 894 | uint64_t value; |
| 895 | |
| 896 | ret = bt_ctf_field_unsigned_integer_get_value(container, |
| 897 | &value); |
| 898 | if (ret) { |
| 899 | goto error_put_container_type; |
| 900 | } |
| 901 | iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value( |
| 902 | field->type, value); |
| 903 | } else { |
| 904 | int64_t value; |
| 905 | |
| 906 | ret = bt_ctf_field_signed_integer_get_value(container, |
| 907 | &value); |
| 908 | if (ret) { |
| 909 | goto error_put_container_type; |
| 910 | } |
| 911 | iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value( |
| 912 | field->type, value); |
| 913 | } |
| 914 | |
| 915 | error_put_container_type: |
| 916 | bt_put(container_type); |
| 917 | error_put_container: |
| 918 | bt_put(container); |
| 919 | end: |
| 920 | return iter; |
| 921 | } |
| 922 | |
| 923 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, |
| 924 | int64_t *value) |
| 925 | { |
| 926 | int ret = 0; |
| 927 | struct bt_ctf_field_integer *integer; |
| 928 | struct bt_ctf_field_type_integer *integer_type; |
| 929 | |
| 930 | if (!field || !value || !field->payload_set || |
| 931 | bt_ctf_field_type_get_type_id(field->type) != |
| 932 | BT_CTF_TYPE_ID_INTEGER) { |
| 933 | ret = -1; |
| 934 | goto end; |
| 935 | } |
| 936 | |
| 937 | integer_type = container_of(field->type, |
| 938 | struct bt_ctf_field_type_integer, parent); |
| 939 | if (!integer_type->is_signed) { |
| 940 | ret = -1; |
| 941 | goto end; |
| 942 | } |
| 943 | |
| 944 | integer = container_of(field, |
| 945 | struct bt_ctf_field_integer, parent); |
| 946 | *value = integer->payload.signd; |
| 947 | end: |
| 948 | return ret; |
| 949 | } |
| 950 | |
| 951 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
| 952 | int64_t value) |
| 953 | { |
| 954 | int ret = 0; |
| 955 | struct bt_ctf_field_integer *integer; |
| 956 | struct bt_ctf_field_type_integer *integer_type; |
| 957 | unsigned int size; |
| 958 | int64_t min_value, max_value; |
| 959 | |
| 960 | if (!field || field->frozen || |
| 961 | bt_ctf_field_type_get_type_id(field->type) != |
| 962 | BT_CTF_TYPE_ID_INTEGER) { |
| 963 | ret = -1; |
| 964 | goto end; |
| 965 | } |
| 966 | |
| 967 | integer = container_of(field, struct bt_ctf_field_integer, parent); |
| 968 | integer_type = container_of(field->type, |
| 969 | struct bt_ctf_field_type_integer, parent); |
| 970 | if (!integer_type->is_signed) { |
| 971 | ret = -1; |
| 972 | goto end; |
| 973 | } |
| 974 | |
| 975 | size = integer_type->size; |
| 976 | min_value = -(1ULL << (size - 1)); |
| 977 | max_value = (1ULL << (size - 1)) - 1; |
| 978 | if (value < min_value || value > max_value) { |
| 979 | ret = -1; |
| 980 | goto end; |
| 981 | } |
| 982 | |
| 983 | integer->payload.signd = value; |
| 984 | integer->parent.payload_set = 1; |
| 985 | end: |
| 986 | return ret; |
| 987 | } |
| 988 | |
| 989 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
| 990 | uint64_t *value) |
| 991 | { |
| 992 | int ret = 0; |
| 993 | struct bt_ctf_field_integer *integer; |
| 994 | struct bt_ctf_field_type_integer *integer_type; |
| 995 | |
| 996 | if (!field || !value || !field->payload_set || |
| 997 | bt_ctf_field_type_get_type_id(field->type) != |
| 998 | BT_CTF_TYPE_ID_INTEGER) { |
| 999 | ret = -1; |
| 1000 | goto end; |
| 1001 | } |
| 1002 | |
| 1003 | integer_type = container_of(field->type, |
| 1004 | struct bt_ctf_field_type_integer, parent); |
| 1005 | if (integer_type->is_signed) { |
| 1006 | ret = -1; |
| 1007 | goto end; |
| 1008 | } |
| 1009 | |
| 1010 | integer = container_of(field, |
| 1011 | struct bt_ctf_field_integer, parent); |
| 1012 | *value = integer->payload.unsignd; |
| 1013 | end: |
| 1014 | return ret; |
| 1015 | } |
| 1016 | |
| 1017 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
| 1018 | uint64_t value) |
| 1019 | { |
| 1020 | int ret = 0; |
| 1021 | struct bt_ctf_field_integer *integer; |
| 1022 | struct bt_ctf_field_type_integer *integer_type; |
| 1023 | unsigned int size; |
| 1024 | uint64_t max_value; |
| 1025 | |
| 1026 | if (!field || field->frozen || |
| 1027 | bt_ctf_field_type_get_type_id(field->type) != |
| 1028 | BT_CTF_TYPE_ID_INTEGER) { |
| 1029 | ret = -1; |
| 1030 | goto end; |
| 1031 | } |
| 1032 | |
| 1033 | integer = container_of(field, struct bt_ctf_field_integer, parent); |
| 1034 | integer_type = container_of(field->type, |
| 1035 | struct bt_ctf_field_type_integer, parent); |
| 1036 | if (integer_type->is_signed) { |
| 1037 | ret = -1; |
| 1038 | goto end; |
| 1039 | } |
| 1040 | |
| 1041 | size = integer_type->size; |
| 1042 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1; |
| 1043 | if (value > max_value) { |
| 1044 | ret = -1; |
| 1045 | goto end; |
| 1046 | } |
| 1047 | |
| 1048 | integer->payload.unsignd = value; |
| 1049 | integer->parent.payload_set = 1; |
| 1050 | end: |
| 1051 | return ret; |
| 1052 | } |
| 1053 | |
| 1054 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
| 1055 | double *value) |
| 1056 | { |
| 1057 | int ret = 0; |
| 1058 | struct bt_ctf_field_floating_point *floating_point; |
| 1059 | |
| 1060 | if (!field || !value || !field->payload_set || |
| 1061 | bt_ctf_field_type_get_type_id(field->type) != |
| 1062 | BT_CTF_TYPE_ID_FLOAT) { |
| 1063 | ret = -1; |
| 1064 | goto end; |
| 1065 | } |
| 1066 | |
| 1067 | floating_point = container_of(field, |
| 1068 | struct bt_ctf_field_floating_point, parent); |
| 1069 | *value = floating_point->payload; |
| 1070 | end: |
| 1071 | return ret; |
| 1072 | } |
| 1073 | |
| 1074 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
| 1075 | double value) |
| 1076 | { |
| 1077 | int ret = 0; |
| 1078 | struct bt_ctf_field_floating_point *floating_point; |
| 1079 | |
| 1080 | if (!field || field->frozen || |
| 1081 | bt_ctf_field_type_get_type_id(field->type) != |
| 1082 | BT_CTF_TYPE_ID_FLOAT) { |
| 1083 | ret = -1; |
| 1084 | goto end; |
| 1085 | } |
| 1086 | floating_point = container_of(field, struct bt_ctf_field_floating_point, |
| 1087 | parent); |
| 1088 | floating_point->payload = value; |
| 1089 | floating_point->parent.payload_set = 1; |
| 1090 | end: |
| 1091 | return ret; |
| 1092 | } |
| 1093 | |
| 1094 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
| 1095 | { |
| 1096 | const char *ret = NULL; |
| 1097 | struct bt_ctf_field_string *string; |
| 1098 | |
| 1099 | if (!field || !field->payload_set || |
| 1100 | bt_ctf_field_type_get_type_id(field->type) != |
| 1101 | BT_CTF_TYPE_ID_STRING) { |
| 1102 | goto end; |
| 1103 | } |
| 1104 | |
| 1105 | string = container_of(field, |
| 1106 | struct bt_ctf_field_string, parent); |
| 1107 | ret = string->payload->str; |
| 1108 | end: |
| 1109 | return ret; |
| 1110 | } |
| 1111 | |
| 1112 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
| 1113 | const char *value) |
| 1114 | { |
| 1115 | int ret = 0; |
| 1116 | struct bt_ctf_field_string *string; |
| 1117 | |
| 1118 | if (!field || !value || field->frozen || |
| 1119 | bt_ctf_field_type_get_type_id(field->type) != |
| 1120 | BT_CTF_TYPE_ID_STRING) { |
| 1121 | ret = -1; |
| 1122 | goto end; |
| 1123 | } |
| 1124 | |
| 1125 | string = container_of(field, struct bt_ctf_field_string, parent); |
| 1126 | if (string->payload) { |
| 1127 | g_string_assign(string->payload, value); |
| 1128 | } else { |
| 1129 | string->payload = g_string_new(value); |
| 1130 | } |
| 1131 | |
| 1132 | string->parent.payload_set = 1; |
| 1133 | end: |
| 1134 | return ret; |
| 1135 | } |
| 1136 | |
| 1137 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
| 1138 | const char *value) |
| 1139 | { |
| 1140 | int ret = 0; |
| 1141 | struct bt_ctf_field_string *string_field; |
| 1142 | |
| 1143 | if (!field || !value || field->frozen || |
| 1144 | bt_ctf_field_type_get_type_id(field->type) != |
| 1145 | BT_CTF_TYPE_ID_STRING) { |
| 1146 | ret = -1; |
| 1147 | goto end; |
| 1148 | } |
| 1149 | |
| 1150 | string_field = container_of(field, struct bt_ctf_field_string, parent); |
| 1151 | |
| 1152 | if (string_field->payload) { |
| 1153 | g_string_append(string_field->payload, value); |
| 1154 | } else { |
| 1155 | string_field->payload = g_string_new(value); |
| 1156 | } |
| 1157 | |
| 1158 | string_field->parent.payload_set = 1; |
| 1159 | |
| 1160 | end: |
| 1161 | return ret; |
| 1162 | } |
| 1163 | |
| 1164 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
| 1165 | const char *value, unsigned int length) |
| 1166 | { |
| 1167 | int i; |
| 1168 | int ret = 0; |
| 1169 | unsigned int effective_length = length; |
| 1170 | struct bt_ctf_field_string *string_field; |
| 1171 | |
| 1172 | if (!field || !value || field->frozen || |
| 1173 | bt_ctf_field_type_get_type_id(field->type) != |
| 1174 | BT_CTF_TYPE_ID_STRING) { |
| 1175 | ret = -1; |
| 1176 | goto end; |
| 1177 | } |
| 1178 | |
| 1179 | string_field = container_of(field, struct bt_ctf_field_string, parent); |
| 1180 | |
| 1181 | /* make sure no null bytes are appended */ |
| 1182 | for (i = 0; i < length; ++i) { |
| 1183 | if (value[i] == '\0') { |
| 1184 | effective_length = i; |
| 1185 | break; |
| 1186 | } |
| 1187 | } |
| 1188 | |
| 1189 | if (string_field->payload) { |
| 1190 | g_string_append_len(string_field->payload, value, |
| 1191 | effective_length); |
| 1192 | } else { |
| 1193 | string_field->payload = g_string_new_len(value, |
| 1194 | effective_length); |
| 1195 | } |
| 1196 | |
| 1197 | string_field->parent.payload_set = 1; |
| 1198 | |
| 1199 | end: |
| 1200 | return ret; |
| 1201 | } |
| 1202 | |
| 1203 | BT_HIDDEN |
| 1204 | int bt_ctf_field_validate(struct bt_ctf_field *field) |
| 1205 | { |
| 1206 | int ret = 0; |
| 1207 | enum bt_ctf_type_id type_id; |
| 1208 | |
| 1209 | if (!field) { |
| 1210 | ret = -1; |
| 1211 | goto end; |
| 1212 | } |
| 1213 | |
| 1214 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1215 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1216 | ret = -1; |
| 1217 | goto end; |
| 1218 | } |
| 1219 | |
| 1220 | ret = field_validate_funcs[type_id](field); |
| 1221 | end: |
| 1222 | return ret; |
| 1223 | } |
| 1224 | |
| 1225 | BT_HIDDEN |
| 1226 | int bt_ctf_field_reset(struct bt_ctf_field *field) |
| 1227 | { |
| 1228 | int ret = 0; |
| 1229 | enum bt_ctf_type_id type_id; |
| 1230 | |
| 1231 | if (!field) { |
| 1232 | ret = -1; |
| 1233 | goto end; |
| 1234 | } |
| 1235 | |
| 1236 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1237 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1238 | ret = -1; |
| 1239 | goto end; |
| 1240 | } |
| 1241 | |
| 1242 | ret = field_reset_funcs[type_id](field); |
| 1243 | end: |
| 1244 | return ret; |
| 1245 | } |
| 1246 | |
| 1247 | BT_HIDDEN |
| 1248 | int bt_ctf_field_serialize(struct bt_ctf_field *field, |
| 1249 | struct bt_ctf_stream_pos *pos, |
| 1250 | enum bt_ctf_byte_order native_byte_order) |
| 1251 | { |
| 1252 | int ret = 0; |
| 1253 | enum bt_ctf_type_id type_id; |
| 1254 | |
| 1255 | if (!field || !pos) { |
| 1256 | ret = -1; |
| 1257 | goto end; |
| 1258 | } |
| 1259 | |
| 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) { |
| 1262 | ret = -1; |
| 1263 | goto end; |
| 1264 | } |
| 1265 | |
| 1266 | ret = field_serialize_funcs[type_id](field, pos, native_byte_order); |
| 1267 | end: |
| 1268 | return ret; |
| 1269 | } |
| 1270 | |
| 1271 | |
| 1272 | BT_HIDDEN |
| 1273 | bool bt_ctf_field_is_set(struct bt_ctf_field *field) |
| 1274 | { |
| 1275 | bool is_set = false; |
| 1276 | enum bt_ctf_type_id type_id; |
| 1277 | |
| 1278 | if (!field) { |
| 1279 | goto end; |
| 1280 | } |
| 1281 | |
| 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) { |
| 1284 | goto end; |
| 1285 | } |
| 1286 | |
| 1287 | is_set = field_is_set_funcs[type_id](field); |
| 1288 | end: |
| 1289 | return is_set; |
| 1290 | } |
| 1291 | |
| 1292 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
| 1293 | { |
| 1294 | int ret; |
| 1295 | struct bt_ctf_field *copy = NULL; |
| 1296 | enum bt_ctf_type_id type_id; |
| 1297 | |
| 1298 | if (!field) { |
| 1299 | goto end; |
| 1300 | } |
| 1301 | |
| 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) { |
| 1304 | goto end; |
| 1305 | } |
| 1306 | |
| 1307 | copy = bt_ctf_field_create(field->type); |
| 1308 | if (!copy) { |
| 1309 | goto end; |
| 1310 | } |
| 1311 | |
| 1312 | copy->payload_set = field->payload_set; |
| 1313 | ret = field_copy_funcs[type_id](field, copy); |
| 1314 | if (ret) { |
| 1315 | bt_put(copy); |
| 1316 | copy = NULL; |
| 1317 | } |
| 1318 | end: |
| 1319 | return copy; |
| 1320 | } |
| 1321 | |
| 1322 | static |
| 1323 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) |
| 1324 | { |
| 1325 | struct bt_ctf_field_integer *integer = g_new0( |
| 1326 | struct bt_ctf_field_integer, 1); |
| 1327 | |
| 1328 | return integer ? &integer->parent : NULL; |
| 1329 | } |
| 1330 | |
| 1331 | static |
| 1332 | struct bt_ctf_field *bt_ctf_field_enumeration_create( |
| 1333 | struct bt_ctf_field_type *type) |
| 1334 | { |
| 1335 | struct bt_ctf_field_enumeration *enumeration = g_new0( |
| 1336 | struct bt_ctf_field_enumeration, 1); |
| 1337 | |
| 1338 | return enumeration ? &enumeration->parent : NULL; |
| 1339 | } |
| 1340 | |
| 1341 | static |
| 1342 | struct bt_ctf_field *bt_ctf_field_floating_point_create( |
| 1343 | struct bt_ctf_field_type *type) |
| 1344 | { |
| 1345 | struct bt_ctf_field_floating_point *floating_point; |
| 1346 | |
| 1347 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); |
| 1348 | return floating_point ? &floating_point->parent : NULL; |
| 1349 | } |
| 1350 | |
| 1351 | static |
| 1352 | struct bt_ctf_field *bt_ctf_field_structure_create( |
| 1353 | struct bt_ctf_field_type *type) |
| 1354 | { |
| 1355 | struct bt_ctf_field_type_structure *structure_type = container_of(type, |
| 1356 | struct bt_ctf_field_type_structure, parent); |
| 1357 | struct bt_ctf_field_structure *structure = g_new0( |
| 1358 | struct bt_ctf_field_structure, 1); |
| 1359 | struct bt_ctf_field *field = NULL; |
| 1360 | |
| 1361 | if (!structure) { |
| 1362 | goto end; |
| 1363 | } |
| 1364 | |
| 1365 | structure->field_name_to_index = structure_type->field_name_to_index; |
| 1366 | structure->fields = g_ptr_array_new_with_free_func( |
| 1367 | (GDestroyNotify)bt_ctf_field_put); |
| 1368 | g_ptr_array_set_size(structure->fields, |
| 1369 | g_hash_table_size(structure->field_name_to_index)); |
| 1370 | field = &structure->parent; |
| 1371 | end: |
| 1372 | return field; |
| 1373 | } |
| 1374 | |
| 1375 | static |
| 1376 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) |
| 1377 | { |
| 1378 | struct bt_ctf_field_variant *variant = g_new0( |
| 1379 | struct bt_ctf_field_variant, 1); |
| 1380 | return variant ? &variant->parent : NULL; |
| 1381 | } |
| 1382 | |
| 1383 | static |
| 1384 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) |
| 1385 | { |
| 1386 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); |
| 1387 | struct bt_ctf_field_type_array *array_type; |
| 1388 | unsigned int array_length; |
| 1389 | |
| 1390 | if (!array || !type) { |
| 1391 | goto error; |
| 1392 | } |
| 1393 | |
| 1394 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); |
| 1395 | array_length = array_type->length; |
| 1396 | array->elements = g_ptr_array_sized_new(array_length); |
| 1397 | if (!array->elements) { |
| 1398 | goto error; |
| 1399 | } |
| 1400 | |
| 1401 | g_ptr_array_set_free_func(array->elements, |
| 1402 | (GDestroyNotify)bt_ctf_field_put); |
| 1403 | g_ptr_array_set_size(array->elements, array_length); |
| 1404 | return &array->parent; |
| 1405 | error: |
| 1406 | g_free(array); |
| 1407 | return NULL; |
| 1408 | } |
| 1409 | |
| 1410 | static |
| 1411 | struct bt_ctf_field *bt_ctf_field_sequence_create( |
| 1412 | struct bt_ctf_field_type *type) |
| 1413 | { |
| 1414 | struct bt_ctf_field_sequence *sequence = g_new0( |
| 1415 | struct bt_ctf_field_sequence, 1); |
| 1416 | return sequence ? &sequence->parent : NULL; |
| 1417 | } |
| 1418 | |
| 1419 | static |
| 1420 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) |
| 1421 | { |
| 1422 | struct bt_ctf_field_string *string = g_new0( |
| 1423 | struct bt_ctf_field_string, 1); |
| 1424 | return string ? &string->parent : NULL; |
| 1425 | } |
| 1426 | |
| 1427 | static |
| 1428 | void bt_ctf_field_destroy(struct bt_object *obj) |
| 1429 | { |
| 1430 | struct bt_ctf_field *field; |
| 1431 | struct bt_ctf_field_type *type; |
| 1432 | enum bt_ctf_type_id type_id; |
| 1433 | |
| 1434 | field = container_of(obj, struct bt_ctf_field, base); |
| 1435 | type = field->type; |
| 1436 | type_id = bt_ctf_field_type_get_type_id(type); |
| 1437 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
| 1438 | type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1439 | return; |
| 1440 | } |
| 1441 | |
| 1442 | field_destroy_funcs[type_id](field); |
| 1443 | bt_put(type); |
| 1444 | } |
| 1445 | |
| 1446 | static |
| 1447 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) |
| 1448 | { |
| 1449 | struct bt_ctf_field_integer *integer; |
| 1450 | |
| 1451 | if (!field) { |
| 1452 | return; |
| 1453 | } |
| 1454 | |
| 1455 | integer = container_of(field, struct bt_ctf_field_integer, parent); |
| 1456 | g_free(integer); |
| 1457 | } |
| 1458 | |
| 1459 | static |
| 1460 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) |
| 1461 | { |
| 1462 | struct bt_ctf_field_enumeration *enumeration; |
| 1463 | |
| 1464 | if (!field) { |
| 1465 | return; |
| 1466 | } |
| 1467 | |
| 1468 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 1469 | parent); |
| 1470 | bt_put(enumeration->payload); |
| 1471 | g_free(enumeration); |
| 1472 | } |
| 1473 | |
| 1474 | static |
| 1475 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) |
| 1476 | { |
| 1477 | struct bt_ctf_field_floating_point *floating_point; |
| 1478 | |
| 1479 | if (!field) { |
| 1480 | return; |
| 1481 | } |
| 1482 | |
| 1483 | floating_point = container_of(field, struct bt_ctf_field_floating_point, |
| 1484 | parent); |
| 1485 | g_free(floating_point); |
| 1486 | } |
| 1487 | |
| 1488 | static |
| 1489 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) |
| 1490 | { |
| 1491 | struct bt_ctf_field_structure *structure; |
| 1492 | |
| 1493 | if (!field) { |
| 1494 | return; |
| 1495 | } |
| 1496 | |
| 1497 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 1498 | g_ptr_array_free(structure->fields, TRUE); |
| 1499 | g_free(structure); |
| 1500 | } |
| 1501 | |
| 1502 | static |
| 1503 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) |
| 1504 | { |
| 1505 | struct bt_ctf_field_variant *variant; |
| 1506 | |
| 1507 | if (!field) { |
| 1508 | return; |
| 1509 | } |
| 1510 | |
| 1511 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 1512 | bt_put(variant->tag); |
| 1513 | bt_put(variant->payload); |
| 1514 | g_free(variant); |
| 1515 | } |
| 1516 | |
| 1517 | static |
| 1518 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) |
| 1519 | { |
| 1520 | struct bt_ctf_field_array *array; |
| 1521 | |
| 1522 | if (!field) { |
| 1523 | return; |
| 1524 | } |
| 1525 | |
| 1526 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 1527 | g_ptr_array_free(array->elements, TRUE); |
| 1528 | g_free(array); |
| 1529 | } |
| 1530 | |
| 1531 | static |
| 1532 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) |
| 1533 | { |
| 1534 | struct bt_ctf_field_sequence *sequence; |
| 1535 | |
| 1536 | if (!field) { |
| 1537 | return; |
| 1538 | } |
| 1539 | |
| 1540 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 1541 | if (sequence->elements) { |
| 1542 | g_ptr_array_free(sequence->elements, TRUE); |
| 1543 | } |
| 1544 | bt_put(sequence->length); |
| 1545 | g_free(sequence); |
| 1546 | } |
| 1547 | |
| 1548 | static |
| 1549 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) |
| 1550 | { |
| 1551 | struct bt_ctf_field_string *string; |
| 1552 | if (!field) { |
| 1553 | return; |
| 1554 | } |
| 1555 | |
| 1556 | string = container_of(field, struct bt_ctf_field_string, parent); |
| 1557 | if (string->payload) { |
| 1558 | g_string_free(string->payload, TRUE); |
| 1559 | } |
| 1560 | g_free(string); |
| 1561 | } |
| 1562 | |
| 1563 | static |
| 1564 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) |
| 1565 | { |
| 1566 | return (field && field->payload_set) ? 0 : -1; |
| 1567 | } |
| 1568 | |
| 1569 | static |
| 1570 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) |
| 1571 | { |
| 1572 | int ret; |
| 1573 | struct bt_ctf_field_enumeration *enumeration; |
| 1574 | |
| 1575 | if (!field) { |
| 1576 | ret = -1; |
| 1577 | goto end; |
| 1578 | } |
| 1579 | |
| 1580 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 1581 | parent); |
| 1582 | if (!enumeration->payload) { |
| 1583 | ret = -1; |
| 1584 | goto end; |
| 1585 | } |
| 1586 | |
| 1587 | ret = bt_ctf_field_validate(enumeration->payload); |
| 1588 | end: |
| 1589 | return ret; |
| 1590 | } |
| 1591 | |
| 1592 | static |
| 1593 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) |
| 1594 | { |
| 1595 | size_t i; |
| 1596 | int ret = 0; |
| 1597 | struct bt_ctf_field_structure *structure; |
| 1598 | |
| 1599 | if (!field) { |
| 1600 | ret = -1; |
| 1601 | goto end; |
| 1602 | } |
| 1603 | |
| 1604 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 1605 | for (i = 0; i < structure->fields->len; i++) { |
| 1606 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); |
| 1607 | if (ret) { |
| 1608 | const char *name; |
| 1609 | struct bt_ctf_field_type *field_type = |
| 1610 | bt_ctf_field_get_type(field); |
| 1611 | |
| 1612 | (void) bt_ctf_field_type_structure_get_field(field_type, |
| 1613 | &name, NULL, i); |
| 1614 | fprintf(stderr, "Field %s failed validation\n", |
| 1615 | name ? name : "NULL"); |
| 1616 | bt_put(field_type); |
| 1617 | goto end; |
| 1618 | } |
| 1619 | } |
| 1620 | end: |
| 1621 | return ret; |
| 1622 | } |
| 1623 | |
| 1624 | static |
| 1625 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) |
| 1626 | { |
| 1627 | int ret = 0; |
| 1628 | struct bt_ctf_field_variant *variant; |
| 1629 | |
| 1630 | if (!field) { |
| 1631 | ret = -1; |
| 1632 | goto end; |
| 1633 | } |
| 1634 | |
| 1635 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 1636 | ret = bt_ctf_field_validate(variant->payload); |
| 1637 | end: |
| 1638 | return ret; |
| 1639 | } |
| 1640 | |
| 1641 | static |
| 1642 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) |
| 1643 | { |
| 1644 | size_t i; |
| 1645 | int ret = 0; |
| 1646 | struct bt_ctf_field_array *array; |
| 1647 | |
| 1648 | if (!field) { |
| 1649 | ret = -1; |
| 1650 | goto end; |
| 1651 | } |
| 1652 | |
| 1653 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 1654 | for (i = 0; i < array->elements->len; i++) { |
| 1655 | ret = bt_ctf_field_validate(array->elements->pdata[i]); |
| 1656 | if (ret) { |
| 1657 | fprintf(stderr, "Failed to validate array field #%zu\n", i); |
| 1658 | goto end; |
| 1659 | } |
| 1660 | } |
| 1661 | end: |
| 1662 | return ret; |
| 1663 | } |
| 1664 | |
| 1665 | static |
| 1666 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) |
| 1667 | { |
| 1668 | size_t i; |
| 1669 | int ret = 0; |
| 1670 | struct bt_ctf_field_sequence *sequence; |
| 1671 | |
| 1672 | if (!field) { |
| 1673 | ret = -1; |
| 1674 | goto end; |
| 1675 | } |
| 1676 | |
| 1677 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 1678 | for (i = 0; i < sequence->elements->len; i++) { |
| 1679 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); |
| 1680 | if (ret) { |
| 1681 | fprintf(stderr, "Failed to validate sequence field #%zu\n", i); |
| 1682 | goto end; |
| 1683 | } |
| 1684 | } |
| 1685 | end: |
| 1686 | return ret; |
| 1687 | } |
| 1688 | |
| 1689 | static |
| 1690 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) |
| 1691 | { |
| 1692 | int ret = 0; |
| 1693 | |
| 1694 | if (!field) { |
| 1695 | ret = -1; |
| 1696 | goto end; |
| 1697 | } |
| 1698 | |
| 1699 | field->payload_set = 0; |
| 1700 | end: |
| 1701 | return ret; |
| 1702 | } |
| 1703 | |
| 1704 | static |
| 1705 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) |
| 1706 | { |
| 1707 | int ret = 0; |
| 1708 | struct bt_ctf_field_enumeration *enumeration; |
| 1709 | |
| 1710 | if (!field) { |
| 1711 | ret = -1; |
| 1712 | goto end; |
| 1713 | } |
| 1714 | |
| 1715 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 1716 | parent); |
| 1717 | if (!enumeration->payload) { |
| 1718 | goto end; |
| 1719 | } |
| 1720 | |
| 1721 | ret = bt_ctf_field_reset(enumeration->payload); |
| 1722 | end: |
| 1723 | return ret; |
| 1724 | } |
| 1725 | |
| 1726 | static |
| 1727 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) |
| 1728 | { |
| 1729 | size_t i; |
| 1730 | int ret = 0; |
| 1731 | struct bt_ctf_field_structure *structure; |
| 1732 | |
| 1733 | if (!field) { |
| 1734 | ret = -1; |
| 1735 | goto end; |
| 1736 | } |
| 1737 | |
| 1738 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 1739 | for (i = 0; i < structure->fields->len; i++) { |
| 1740 | struct bt_ctf_field *member = structure->fields->pdata[i]; |
| 1741 | |
| 1742 | if (!member) { |
| 1743 | /* |
| 1744 | * Structure members are lazily initialized; skip if |
| 1745 | * this member has not been allocated yet. |
| 1746 | */ |
| 1747 | continue; |
| 1748 | } |
| 1749 | |
| 1750 | ret = bt_ctf_field_reset(member); |
| 1751 | if (ret) { |
| 1752 | goto end; |
| 1753 | } |
| 1754 | } |
| 1755 | end: |
| 1756 | return ret; |
| 1757 | } |
| 1758 | |
| 1759 | static |
| 1760 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) |
| 1761 | { |
| 1762 | int ret = 0; |
| 1763 | struct bt_ctf_field_variant *variant; |
| 1764 | |
| 1765 | if (!field) { |
| 1766 | ret = -1; |
| 1767 | goto end; |
| 1768 | } |
| 1769 | |
| 1770 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 1771 | if (variant->payload) { |
| 1772 | ret = bt_ctf_field_reset(variant->payload); |
| 1773 | } |
| 1774 | end: |
| 1775 | return ret; |
| 1776 | } |
| 1777 | |
| 1778 | static |
| 1779 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) |
| 1780 | { |
| 1781 | size_t i; |
| 1782 | int ret = 0; |
| 1783 | struct bt_ctf_field_array *array; |
| 1784 | |
| 1785 | if (!field) { |
| 1786 | ret = -1; |
| 1787 | goto end; |
| 1788 | } |
| 1789 | |
| 1790 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 1791 | for (i = 0; i < array->elements->len; i++) { |
| 1792 | struct bt_ctf_field *member = array->elements->pdata[i]; |
| 1793 | |
| 1794 | if (!member) { |
| 1795 | /* |
| 1796 | * Array elements are lazily initialized; skip if |
| 1797 | * this member has not been allocated yet. |
| 1798 | */ |
| 1799 | continue; |
| 1800 | } |
| 1801 | |
| 1802 | ret = bt_ctf_field_reset(member); |
| 1803 | if (ret) { |
| 1804 | goto end; |
| 1805 | } |
| 1806 | } |
| 1807 | end: |
| 1808 | return ret; |
| 1809 | } |
| 1810 | |
| 1811 | static |
| 1812 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) |
| 1813 | { |
| 1814 | size_t i; |
| 1815 | int ret = 0; |
| 1816 | struct bt_ctf_field_sequence *sequence; |
| 1817 | |
| 1818 | if (!field) { |
| 1819 | ret = -1; |
| 1820 | goto end; |
| 1821 | } |
| 1822 | |
| 1823 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 1824 | for (i = 0; i < sequence->elements->len; i++) { |
| 1825 | struct bt_ctf_field *member = sequence->elements->pdata[i]; |
| 1826 | |
| 1827 | if (!member) { |
| 1828 | /* |
| 1829 | * Sequence elements are lazily initialized; skip if |
| 1830 | * this member has not been allocated yet. |
| 1831 | */ |
| 1832 | continue; |
| 1833 | } |
| 1834 | |
| 1835 | ret = bt_ctf_field_reset(member); |
| 1836 | if (ret) { |
| 1837 | goto end; |
| 1838 | } |
| 1839 | } |
| 1840 | end: |
| 1841 | return ret; |
| 1842 | } |
| 1843 | |
| 1844 | static |
| 1845 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) |
| 1846 | { |
| 1847 | int ret = 0; |
| 1848 | struct bt_ctf_field_string *string; |
| 1849 | |
| 1850 | if (!field) { |
| 1851 | ret = -1; |
| 1852 | goto end; |
| 1853 | } |
| 1854 | |
| 1855 | ret = bt_ctf_field_generic_reset(field); |
| 1856 | if (ret) { |
| 1857 | goto end; |
| 1858 | } |
| 1859 | |
| 1860 | string = container_of(field, struct bt_ctf_field_string, parent); |
| 1861 | if (string->payload) { |
| 1862 | g_string_truncate(string->payload, 0); |
| 1863 | } |
| 1864 | end: |
| 1865 | return ret; |
| 1866 | } |
| 1867 | |
| 1868 | static |
| 1869 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, |
| 1870 | struct bt_ctf_stream_pos *pos, |
| 1871 | enum bt_ctf_byte_order native_byte_order) |
| 1872 | { |
| 1873 | int ret = 0; |
| 1874 | struct bt_ctf_field_integer *integer = container_of(field, |
| 1875 | struct bt_ctf_field_integer, parent); |
| 1876 | |
| 1877 | if (!bt_ctf_field_generic_is_set(field)) { |
| 1878 | ret = -1; |
| 1879 | goto end; |
| 1880 | } |
| 1881 | retry: |
| 1882 | ret = bt_ctf_field_integer_write(integer, pos, native_byte_order); |
| 1883 | if (ret == -EFAULT) { |
| 1884 | /* |
| 1885 | * The field is too large to fit in the current packet's |
| 1886 | * remaining space. Bump the packet size and retry. |
| 1887 | */ |
| 1888 | ret = increase_packet_size(pos); |
| 1889 | if (ret) { |
| 1890 | goto end; |
| 1891 | } |
| 1892 | goto retry; |
| 1893 | } |
| 1894 | end: |
| 1895 | return ret; |
| 1896 | } |
| 1897 | |
| 1898 | static |
| 1899 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, |
| 1900 | struct bt_ctf_stream_pos *pos, |
| 1901 | enum bt_ctf_byte_order native_byte_order) |
| 1902 | { |
| 1903 | struct bt_ctf_field_enumeration *enumeration = container_of( |
| 1904 | field, struct bt_ctf_field_enumeration, parent); |
| 1905 | |
| 1906 | return bt_ctf_field_serialize(enumeration->payload, pos, |
| 1907 | native_byte_order); |
| 1908 | } |
| 1909 | |
| 1910 | static |
| 1911 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, |
| 1912 | struct bt_ctf_stream_pos *pos, |
| 1913 | enum bt_ctf_byte_order native_byte_order) |
| 1914 | { |
| 1915 | int ret = 0; |
| 1916 | struct bt_ctf_field_floating_point *floating_point = container_of(field, |
| 1917 | struct bt_ctf_field_floating_point, parent); |
| 1918 | |
| 1919 | if (!bt_ctf_field_generic_is_set(field)) { |
| 1920 | ret = -1; |
| 1921 | goto end; |
| 1922 | } |
| 1923 | retry: |
| 1924 | ret = bt_ctf_field_floating_point_write(floating_point, pos, |
| 1925 | native_byte_order); |
| 1926 | if (ret == -EFAULT) { |
| 1927 | /* |
| 1928 | * The field is too large to fit in the current packet's |
| 1929 | * remaining space. Bump the packet size and retry. |
| 1930 | */ |
| 1931 | ret = increase_packet_size(pos); |
| 1932 | if (ret) { |
| 1933 | goto end; |
| 1934 | } |
| 1935 | goto retry; |
| 1936 | } |
| 1937 | end: |
| 1938 | return ret; |
| 1939 | } |
| 1940 | |
| 1941 | static |
| 1942 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, |
| 1943 | struct bt_ctf_stream_pos *pos, |
| 1944 | enum bt_ctf_byte_order native_byte_order) |
| 1945 | { |
| 1946 | size_t i; |
| 1947 | int ret = 0; |
| 1948 | struct bt_ctf_field_structure *structure = container_of( |
| 1949 | field, struct bt_ctf_field_structure, parent); |
| 1950 | |
| 1951 | while (!bt_ctf_stream_pos_access_ok(pos, |
| 1952 | offset_align(pos->offset, field->type->alignment))) { |
| 1953 | ret = increase_packet_size(pos); |
| 1954 | if (ret) { |
| 1955 | goto end; |
| 1956 | } |
| 1957 | } |
| 1958 | |
| 1959 | if (!bt_ctf_stream_pos_align(pos, field->type->alignment)) { |
| 1960 | ret = -1; |
| 1961 | goto end; |
| 1962 | } |
| 1963 | |
| 1964 | for (i = 0; i < structure->fields->len; i++) { |
| 1965 | struct bt_ctf_field *member = g_ptr_array_index( |
| 1966 | structure->fields, i); |
| 1967 | |
| 1968 | ret = bt_ctf_field_serialize(member, pos, native_byte_order); |
| 1969 | if (ret) { |
| 1970 | const char *name; |
| 1971 | struct bt_ctf_field_type *structure_type = |
| 1972 | bt_ctf_field_get_type(field); |
| 1973 | |
| 1974 | (void) bt_ctf_field_type_structure_get_field( |
| 1975 | structure_type, &name, NULL, i); |
| 1976 | fprintf(stderr, "Field %s failed to serialize\n", |
| 1977 | name ? name : "NULL"); |
| 1978 | bt_put(structure_type); |
| 1979 | break; |
| 1980 | } |
| 1981 | } |
| 1982 | end: |
| 1983 | return ret; |
| 1984 | } |
| 1985 | |
| 1986 | static |
| 1987 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, |
| 1988 | struct bt_ctf_stream_pos *pos, |
| 1989 | enum bt_ctf_byte_order native_byte_order) |
| 1990 | { |
| 1991 | struct bt_ctf_field_variant *variant = container_of( |
| 1992 | field, struct bt_ctf_field_variant, parent); |
| 1993 | |
| 1994 | return bt_ctf_field_serialize(variant->payload, pos, |
| 1995 | native_byte_order); |
| 1996 | } |
| 1997 | |
| 1998 | static |
| 1999 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, |
| 2000 | struct bt_ctf_stream_pos *pos, |
| 2001 | enum bt_ctf_byte_order native_byte_order) |
| 2002 | { |
| 2003 | size_t i; |
| 2004 | int ret = 0; |
| 2005 | struct bt_ctf_field_array *array = container_of( |
| 2006 | field, struct bt_ctf_field_array, parent); |
| 2007 | |
| 2008 | for (i = 0; i < array->elements->len; i++) { |
| 2009 | ret = bt_ctf_field_serialize( |
| 2010 | g_ptr_array_index(array->elements, i), pos, |
| 2011 | native_byte_order); |
| 2012 | if (ret) { |
| 2013 | fprintf(stderr, "Failed to serialize array element #%zu\n", i); |
| 2014 | goto end; |
| 2015 | } |
| 2016 | } |
| 2017 | end: |
| 2018 | return ret; |
| 2019 | } |
| 2020 | |
| 2021 | static |
| 2022 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, |
| 2023 | struct bt_ctf_stream_pos *pos, |
| 2024 | enum bt_ctf_byte_order native_byte_order) |
| 2025 | { |
| 2026 | size_t i; |
| 2027 | int ret = 0; |
| 2028 | struct bt_ctf_field_sequence *sequence = container_of( |
| 2029 | field, struct bt_ctf_field_sequence, parent); |
| 2030 | |
| 2031 | for (i = 0; i < sequence->elements->len; i++) { |
| 2032 | ret = bt_ctf_field_serialize( |
| 2033 | g_ptr_array_index(sequence->elements, i), pos, |
| 2034 | native_byte_order); |
| 2035 | if (ret) { |
| 2036 | fprintf(stderr, "Failed to serialize sequence element #%zu\n", i); |
| 2037 | goto end; |
| 2038 | } |
| 2039 | } |
| 2040 | end: |
| 2041 | return ret; |
| 2042 | } |
| 2043 | |
| 2044 | static |
| 2045 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, |
| 2046 | struct bt_ctf_stream_pos *pos, |
| 2047 | enum bt_ctf_byte_order native_byte_order) |
| 2048 | { |
| 2049 | size_t i; |
| 2050 | int ret = 0; |
| 2051 | struct bt_ctf_field_string *string = container_of(field, |
| 2052 | struct bt_ctf_field_string, parent); |
| 2053 | struct bt_ctf_field_type *character_type = |
| 2054 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); |
| 2055 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); |
| 2056 | |
| 2057 | for (i = 0; i < string->payload->len + 1; i++) { |
| 2058 | ret = bt_ctf_field_unsigned_integer_set_value(character, |
| 2059 | (uint64_t) string->payload->str[i]); |
| 2060 | if (ret) { |
| 2061 | goto end; |
| 2062 | } |
| 2063 | |
| 2064 | ret = bt_ctf_field_integer_serialize(character, pos, |
| 2065 | native_byte_order); |
| 2066 | if (ret) { |
| 2067 | goto end; |
| 2068 | } |
| 2069 | } |
| 2070 | end: |
| 2071 | bt_put(character); |
| 2072 | bt_put(character_type); |
| 2073 | return ret; |
| 2074 | } |
| 2075 | |
| 2076 | static |
| 2077 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, |
| 2078 | struct bt_ctf_field *dst) |
| 2079 | { |
| 2080 | struct bt_ctf_field_integer *integer_src, *integer_dst; |
| 2081 | |
| 2082 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); |
| 2083 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
| 2084 | integer_dst->payload = integer_src->payload; |
| 2085 | return 0; |
| 2086 | } |
| 2087 | |
| 2088 | static |
| 2089 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, |
| 2090 | struct bt_ctf_field *dst) |
| 2091 | { |
| 2092 | int ret = 0; |
| 2093 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; |
| 2094 | |
| 2095 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); |
| 2096 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); |
| 2097 | |
| 2098 | if (enum_src->payload) { |
| 2099 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); |
| 2100 | if (!enum_dst->payload) { |
| 2101 | ret = -1; |
| 2102 | goto end; |
| 2103 | } |
| 2104 | } |
| 2105 | end: |
| 2106 | return ret; |
| 2107 | } |
| 2108 | |
| 2109 | static |
| 2110 | int bt_ctf_field_floating_point_copy( |
| 2111 | struct bt_ctf_field *src, struct bt_ctf_field *dst) |
| 2112 | { |
| 2113 | struct bt_ctf_field_floating_point *float_src, *float_dst; |
| 2114 | |
| 2115 | float_src = container_of(src, struct bt_ctf_field_floating_point, |
| 2116 | parent); |
| 2117 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, |
| 2118 | parent); |
| 2119 | float_dst->payload = float_src->payload; |
| 2120 | return 0; |
| 2121 | } |
| 2122 | |
| 2123 | static |
| 2124 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, |
| 2125 | struct bt_ctf_field *dst) |
| 2126 | { |
| 2127 | int ret = 0, i; |
| 2128 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
| 2129 | |
| 2130 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); |
| 2131 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); |
| 2132 | |
| 2133 | /* This field_name_to_index HT is owned by the structure field type */ |
| 2134 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
| 2135 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
| 2136 | |
| 2137 | for (i = 0; i < struct_src->fields->len; i++) { |
| 2138 | struct bt_ctf_field *field = |
| 2139 | g_ptr_array_index(struct_src->fields, i); |
| 2140 | struct bt_ctf_field *field_copy = NULL; |
| 2141 | |
| 2142 | if (field) { |
| 2143 | field_copy = bt_ctf_field_copy(field); |
| 2144 | |
| 2145 | if (!field_copy) { |
| 2146 | ret = -1; |
| 2147 | goto end; |
| 2148 | } |
| 2149 | } |
| 2150 | |
| 2151 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
| 2152 | } |
| 2153 | end: |
| 2154 | return ret; |
| 2155 | } |
| 2156 | |
| 2157 | static |
| 2158 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, |
| 2159 | struct bt_ctf_field *dst) |
| 2160 | { |
| 2161 | int ret = 0; |
| 2162 | struct bt_ctf_field_variant *variant_src, *variant_dst; |
| 2163 | |
| 2164 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); |
| 2165 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); |
| 2166 | |
| 2167 | if (variant_src->tag) { |
| 2168 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); |
| 2169 | if (!variant_dst->tag) { |
| 2170 | ret = -1; |
| 2171 | goto end; |
| 2172 | } |
| 2173 | } |
| 2174 | if (variant_src->payload) { |
| 2175 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); |
| 2176 | if (!variant_dst->payload) { |
| 2177 | ret = -1; |
| 2178 | goto end; |
| 2179 | } |
| 2180 | } |
| 2181 | end: |
| 2182 | return ret; |
| 2183 | } |
| 2184 | |
| 2185 | static |
| 2186 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, |
| 2187 | struct bt_ctf_field *dst) |
| 2188 | { |
| 2189 | int ret = 0, i; |
| 2190 | struct bt_ctf_field_array *array_src, *array_dst; |
| 2191 | |
| 2192 | array_src = container_of(src, struct bt_ctf_field_array, parent); |
| 2193 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); |
| 2194 | |
| 2195 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
| 2196 | for (i = 0; i < array_src->elements->len; i++) { |
| 2197 | struct bt_ctf_field *field = |
| 2198 | g_ptr_array_index(array_src->elements, i); |
| 2199 | struct bt_ctf_field *field_copy = NULL; |
| 2200 | |
| 2201 | if (field) { |
| 2202 | field_copy = bt_ctf_field_copy(field); |
| 2203 | |
| 2204 | if (!field_copy) { |
| 2205 | ret = -1; |
| 2206 | goto end; |
| 2207 | } |
| 2208 | } |
| 2209 | |
| 2210 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
| 2211 | } |
| 2212 | end: |
| 2213 | return ret; |
| 2214 | } |
| 2215 | |
| 2216 | static |
| 2217 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, |
| 2218 | struct bt_ctf_field *dst) |
| 2219 | { |
| 2220 | int ret = 0, i; |
| 2221 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; |
| 2222 | struct bt_ctf_field *src_length; |
| 2223 | struct bt_ctf_field *dst_length; |
| 2224 | |
| 2225 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); |
| 2226 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); |
| 2227 | |
| 2228 | src_length = bt_ctf_field_sequence_get_length(src); |
| 2229 | |
| 2230 | if (!src_length) { |
| 2231 | /* no length set yet: keep destination sequence empty */ |
| 2232 | goto end; |
| 2233 | } |
| 2234 | |
| 2235 | /* copy source length */ |
| 2236 | dst_length = bt_ctf_field_copy(src_length); |
| 2237 | bt_put(src_length); |
| 2238 | |
| 2239 | if (!dst_length) { |
| 2240 | ret = -1; |
| 2241 | goto end; |
| 2242 | } |
| 2243 | |
| 2244 | /* this will initialize the destination sequence's internal array */ |
| 2245 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); |
| 2246 | bt_put(dst_length); |
| 2247 | |
| 2248 | if (ret) { |
| 2249 | goto end; |
| 2250 | } |
| 2251 | |
| 2252 | assert(sequence_dst->elements->len == sequence_src->elements->len); |
| 2253 | |
| 2254 | for (i = 0; i < sequence_src->elements->len; i++) { |
| 2255 | struct bt_ctf_field *field = |
| 2256 | g_ptr_array_index(sequence_src->elements, i); |
| 2257 | struct bt_ctf_field *field_copy = NULL; |
| 2258 | |
| 2259 | if (field) { |
| 2260 | field_copy = bt_ctf_field_copy(field); |
| 2261 | |
| 2262 | if (!field_copy) { |
| 2263 | ret = -1; |
| 2264 | goto end; |
| 2265 | } |
| 2266 | } |
| 2267 | |
| 2268 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
| 2269 | } |
| 2270 | end: |
| 2271 | return ret; |
| 2272 | } |
| 2273 | |
| 2274 | static |
| 2275 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, |
| 2276 | struct bt_ctf_field *dst) |
| 2277 | { |
| 2278 | int ret = 0; |
| 2279 | struct bt_ctf_field_string *string_src, *string_dst; |
| 2280 | |
| 2281 | string_src = container_of(src, struct bt_ctf_field_string, parent); |
| 2282 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); |
| 2283 | |
| 2284 | if (string_src->payload) { |
| 2285 | string_dst->payload = g_string_new(string_src->payload->str); |
| 2286 | if (!string_dst->payload) { |
| 2287 | ret = -1; |
| 2288 | goto end; |
| 2289 | } |
| 2290 | } |
| 2291 | end: |
| 2292 | return ret; |
| 2293 | } |
| 2294 | |
| 2295 | static |
| 2296 | int increase_packet_size(struct bt_ctf_stream_pos *pos) |
| 2297 | { |
| 2298 | int ret; |
| 2299 | |
| 2300 | assert(pos); |
| 2301 | ret = munmap_align(pos->base_mma); |
| 2302 | if (ret) { |
| 2303 | goto end; |
| 2304 | } |
| 2305 | |
| 2306 | pos->packet_size += PACKET_LEN_INCREMENT; |
| 2307 | do { |
| 2308 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, |
| 2309 | pos->packet_size / CHAR_BIT); |
| 2310 | } while (ret == EINTR); |
| 2311 | if (ret) { |
| 2312 | errno = EINTR; |
| 2313 | ret = -1; |
| 2314 | goto end; |
| 2315 | } |
| 2316 | |
| 2317 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, |
| 2318 | pos->flags, pos->fd, pos->mmap_offset); |
| 2319 | if (pos->base_mma == MAP_FAILED) { |
| 2320 | ret = -1; |
| 2321 | } |
| 2322 | end: |
| 2323 | return ret; |
| 2324 | } |
| 2325 | |
| 2326 | static |
| 2327 | void generic_field_freeze(struct bt_ctf_field *field) |
| 2328 | { |
| 2329 | field->frozen = 1; |
| 2330 | } |
| 2331 | |
| 2332 | static |
| 2333 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *field) |
| 2334 | { |
| 2335 | struct bt_ctf_field_enumeration *enum_field = |
| 2336 | container_of(field, struct bt_ctf_field_enumeration, parent); |
| 2337 | |
| 2338 | bt_ctf_field_freeze(enum_field->payload); |
| 2339 | generic_field_freeze(field); |
| 2340 | } |
| 2341 | |
| 2342 | static |
| 2343 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *field) |
| 2344 | { |
| 2345 | int i; |
| 2346 | struct bt_ctf_field_structure *structure_field = |
| 2347 | container_of(field, struct bt_ctf_field_structure, parent); |
| 2348 | |
| 2349 | for (i = 0; i < structure_field->fields->len; i++) { |
| 2350 | struct bt_ctf_field *field = |
| 2351 | g_ptr_array_index(structure_field->fields, i); |
| 2352 | |
| 2353 | bt_ctf_field_freeze(field); |
| 2354 | } |
| 2355 | |
| 2356 | generic_field_freeze(field); |
| 2357 | } |
| 2358 | |
| 2359 | static |
| 2360 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *field) |
| 2361 | { |
| 2362 | struct bt_ctf_field_variant *variant_field = |
| 2363 | container_of(field, struct bt_ctf_field_variant, parent); |
| 2364 | |
| 2365 | bt_ctf_field_freeze(variant_field->tag); |
| 2366 | bt_ctf_field_freeze(variant_field->payload); |
| 2367 | generic_field_freeze(field); |
| 2368 | } |
| 2369 | |
| 2370 | static |
| 2371 | void bt_ctf_field_array_freeze(struct bt_ctf_field *field) |
| 2372 | { |
| 2373 | int i; |
| 2374 | struct bt_ctf_field_array *array_field = |
| 2375 | container_of(field, struct bt_ctf_field_array, parent); |
| 2376 | |
| 2377 | for (i = 0; i < array_field->elements->len; i++) { |
| 2378 | struct bt_ctf_field *field = |
| 2379 | g_ptr_array_index(array_field->elements, i); |
| 2380 | |
| 2381 | bt_ctf_field_freeze(field); |
| 2382 | } |
| 2383 | |
| 2384 | generic_field_freeze(field); |
| 2385 | } |
| 2386 | |
| 2387 | static |
| 2388 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *field) |
| 2389 | { |
| 2390 | int i; |
| 2391 | struct bt_ctf_field_sequence *sequence_field = |
| 2392 | container_of(field, struct bt_ctf_field_sequence, parent); |
| 2393 | |
| 2394 | bt_ctf_field_freeze(sequence_field->length); |
| 2395 | |
| 2396 | for (i = 0; i < sequence_field->elements->len; i++) { |
| 2397 | struct bt_ctf_field *field = |
| 2398 | g_ptr_array_index(sequence_field->elements, i); |
| 2399 | |
| 2400 | bt_ctf_field_freeze(field); |
| 2401 | } |
| 2402 | |
| 2403 | generic_field_freeze(field); |
| 2404 | } |
| 2405 | |
| 2406 | BT_HIDDEN |
| 2407 | void bt_ctf_field_freeze(struct bt_ctf_field *field) |
| 2408 | { |
| 2409 | enum bt_ctf_type_id type_id; |
| 2410 | |
| 2411 | if (!field) { |
| 2412 | goto end; |
| 2413 | } |
| 2414 | |
| 2415 | type_id = bt_ctf_field_get_type_id(field); |
| 2416 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
| 2417 | type_id >= BT_CTF_NR_TYPE_IDS) { |
| 2418 | goto end; |
| 2419 | } |
| 2420 | |
| 2421 | field_freeze_funcs[type_id](field); |
| 2422 | end: |
| 2423 | return; |
| 2424 | } |
| 2425 | |
| 2426 | static |
| 2427 | bool bt_ctf_field_generic_is_set(struct bt_ctf_field *field) |
| 2428 | { |
| 2429 | return field && field->payload_set; |
| 2430 | } |
| 2431 | |
| 2432 | static |
| 2433 | bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *field) |
| 2434 | { |
| 2435 | bool is_set = false; |
| 2436 | struct bt_ctf_field_enumeration *enumeration; |
| 2437 | |
| 2438 | if (!field) { |
| 2439 | goto end; |
| 2440 | } |
| 2441 | |
| 2442 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 2443 | parent); |
| 2444 | if (!enumeration->payload) { |
| 2445 | goto end; |
| 2446 | } |
| 2447 | |
| 2448 | is_set = bt_ctf_field_is_set(enumeration->payload); |
| 2449 | end: |
| 2450 | return is_set; |
| 2451 | } |
| 2452 | |
| 2453 | static |
| 2454 | bool bt_ctf_field_structure_is_set(struct bt_ctf_field *field) |
| 2455 | { |
| 2456 | bool is_set = false; |
| 2457 | size_t i; |
| 2458 | struct bt_ctf_field_structure *structure; |
| 2459 | |
| 2460 | if (!field) { |
| 2461 | goto end; |
| 2462 | } |
| 2463 | |
| 2464 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 2465 | for (i = 0; i < structure->fields->len; i++) { |
| 2466 | is_set = bt_ctf_field_is_set(structure->fields->pdata[i]); |
| 2467 | if (!is_set) { |
| 2468 | goto end; |
| 2469 | } |
| 2470 | } |
| 2471 | end: |
| 2472 | return is_set; |
| 2473 | } |
| 2474 | |
| 2475 | static |
| 2476 | bool bt_ctf_field_variant_is_set(struct bt_ctf_field *field) |
| 2477 | { |
| 2478 | bool is_set = false; |
| 2479 | struct bt_ctf_field_variant *variant; |
| 2480 | |
| 2481 | if (!field) { |
| 2482 | goto end; |
| 2483 | } |
| 2484 | |
| 2485 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 2486 | is_set = bt_ctf_field_is_set(variant->payload); |
| 2487 | end: |
| 2488 | return is_set; |
| 2489 | } |
| 2490 | |
| 2491 | static |
| 2492 | bool bt_ctf_field_array_is_set(struct bt_ctf_field *field) |
| 2493 | { |
| 2494 | size_t i; |
| 2495 | bool is_set = false; |
| 2496 | struct bt_ctf_field_array *array; |
| 2497 | |
| 2498 | if (!field) { |
| 2499 | goto end; |
| 2500 | } |
| 2501 | |
| 2502 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 2503 | for (i = 0; i < array->elements->len; i++) { |
| 2504 | is_set = bt_ctf_field_is_set(array->elements->pdata[i]); |
| 2505 | if (!is_set) { |
| 2506 | goto end; |
| 2507 | } |
| 2508 | } |
| 2509 | end: |
| 2510 | return is_set; |
| 2511 | } |
| 2512 | |
| 2513 | static |
| 2514 | bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *field) |
| 2515 | { |
| 2516 | size_t i; |
| 2517 | bool is_set = false; |
| 2518 | struct bt_ctf_field_sequence *sequence; |
| 2519 | |
| 2520 | if (!field) { |
| 2521 | goto end; |
| 2522 | } |
| 2523 | |
| 2524 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 2525 | for (i = 0; i < sequence->elements->len; i++) { |
| 2526 | is_set = bt_ctf_field_validate(sequence->elements->pdata[i]); |
| 2527 | if (!is_set) { |
| 2528 | goto end; |
| 2529 | } |
| 2530 | } |
| 2531 | end: |
| 2532 | return is_set; |
| 2533 | } |