| 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/ctf-ir/fields-internal.h> |
| 33 | #include <babeltrace/ctf-ir/field-types-internal.h> |
| 34 | #include <babeltrace/ctf-writer/serialize-internal.h> |
| 35 | #include <babeltrace/object-internal.h> |
| 36 | #include <babeltrace/ref.h> |
| 37 | #include <babeltrace/compiler-internal.h> |
| 38 | #include <babeltrace/compat/fcntl-internal.h> |
| 39 | #include <babeltrace/align-internal.h> |
| 40 | #include <inttypes.h> |
| 41 | |
| 42 | static |
| 43 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); |
| 44 | static |
| 45 | struct bt_ctf_field *bt_ctf_field_enumeration_create( |
| 46 | struct bt_ctf_field_type *); |
| 47 | static |
| 48 | struct bt_ctf_field *bt_ctf_field_floating_point_create( |
| 49 | struct bt_ctf_field_type *); |
| 50 | static |
| 51 | struct bt_ctf_field *bt_ctf_field_structure_create( |
| 52 | struct bt_ctf_field_type *); |
| 53 | static |
| 54 | struct bt_ctf_field *bt_ctf_field_variant_create( |
| 55 | struct bt_ctf_field_type *); |
| 56 | static |
| 57 | struct bt_ctf_field *bt_ctf_field_array_create( |
| 58 | struct bt_ctf_field_type *); |
| 59 | static |
| 60 | struct bt_ctf_field *bt_ctf_field_sequence_create( |
| 61 | struct bt_ctf_field_type *); |
| 62 | static |
| 63 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); |
| 64 | |
| 65 | static |
| 66 | void bt_ctf_field_destroy(struct bt_object *); |
| 67 | static |
| 68 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); |
| 69 | static |
| 70 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); |
| 71 | static |
| 72 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); |
| 73 | static |
| 74 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); |
| 75 | static |
| 76 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); |
| 77 | static |
| 78 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); |
| 79 | static |
| 80 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); |
| 81 | static |
| 82 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); |
| 83 | |
| 84 | static |
| 85 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
| 86 | static |
| 87 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
| 88 | static |
| 89 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
| 90 | static |
| 91 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
| 92 | static |
| 93 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
| 94 | static |
| 95 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
| 96 | |
| 97 | static |
| 98 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
| 99 | static |
| 100 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
| 101 | static |
| 102 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
| 103 | static |
| 104 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
| 105 | static |
| 106 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
| 107 | static |
| 108 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
| 109 | static |
| 110 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
| 111 | |
| 112 | static |
| 113 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, |
| 114 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 115 | static |
| 116 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, |
| 117 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 118 | static |
| 119 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, |
| 120 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 121 | static |
| 122 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, |
| 123 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 124 | static |
| 125 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, |
| 126 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 127 | static |
| 128 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, |
| 129 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 130 | static |
| 131 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, |
| 132 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 133 | static |
| 134 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, |
| 135 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
| 136 | |
| 137 | static |
| 138 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 139 | static |
| 140 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 141 | static |
| 142 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, |
| 143 | struct bt_ctf_field *); |
| 144 | static |
| 145 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 146 | static |
| 147 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 148 | static |
| 149 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 150 | static |
| 151 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 152 | static |
| 153 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); |
| 154 | |
| 155 | static |
| 156 | void generic_field_freeze(struct bt_ctf_field *); |
| 157 | static |
| 158 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *); |
| 159 | static |
| 160 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *); |
| 161 | static |
| 162 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *); |
| 163 | static |
| 164 | void bt_ctf_field_array_freeze(struct bt_ctf_field *); |
| 165 | static |
| 166 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *); |
| 167 | |
| 168 | static |
| 169 | bt_bool bt_ctf_field_generic_is_set(struct bt_ctf_field *); |
| 170 | static |
| 171 | bt_bool bt_ctf_field_structure_is_set(struct bt_ctf_field *); |
| 172 | static |
| 173 | bt_bool bt_ctf_field_variant_is_set(struct bt_ctf_field *); |
| 174 | static |
| 175 | bt_bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *); |
| 176 | static |
| 177 | bt_bool bt_ctf_field_array_is_set(struct bt_ctf_field *); |
| 178 | static |
| 179 | bt_bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *); |
| 180 | |
| 181 | static |
| 182 | int increase_packet_size(struct bt_ctf_stream_pos *pos); |
| 183 | |
| 184 | static |
| 185 | struct bt_ctf_field *(* const field_create_funcs[])( |
| 186 | struct bt_ctf_field_type *) = { |
| 187 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_integer_create, |
| 188 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create, |
| 189 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = |
| 190 | bt_ctf_field_floating_point_create, |
| 191 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_create, |
| 192 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_create, |
| 193 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_create, |
| 194 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create, |
| 195 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_string_create, |
| 196 | }; |
| 197 | |
| 198 | static |
| 199 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
| 200 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy, |
| 201 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy, |
| 202 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = |
| 203 | bt_ctf_field_floating_point_destroy, |
| 204 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy, |
| 205 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy, |
| 206 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy, |
| 207 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy, |
| 208 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_string_destroy, |
| 209 | }; |
| 210 | |
| 211 | static |
| 212 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
| 213 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate, |
| 214 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate, |
| 215 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate, |
| 216 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate, |
| 217 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate, |
| 218 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_validate, |
| 219 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate, |
| 220 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_generic_validate, |
| 221 | }; |
| 222 | |
| 223 | static |
| 224 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
| 225 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset, |
| 226 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset, |
| 227 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset, |
| 228 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset, |
| 229 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset, |
| 230 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_reset, |
| 231 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset, |
| 232 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_string_reset, |
| 233 | }; |
| 234 | |
| 235 | static |
| 236 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
| 237 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order) = { |
| 238 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize, |
| 239 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize, |
| 240 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = |
| 241 | bt_ctf_field_floating_point_serialize, |
| 242 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize, |
| 243 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize, |
| 244 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize, |
| 245 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize, |
| 246 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_string_serialize, |
| 247 | }; |
| 248 | |
| 249 | static |
| 250 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
| 251 | struct bt_ctf_field *) = { |
| 252 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy, |
| 253 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy, |
| 254 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy, |
| 255 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy, |
| 256 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy, |
| 257 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_copy, |
| 258 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy, |
| 259 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_string_copy, |
| 260 | }; |
| 261 | |
| 262 | static |
| 263 | void (* const field_freeze_funcs[])(struct bt_ctf_field *) = { |
| 264 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = generic_field_freeze, |
| 265 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = generic_field_freeze, |
| 266 | [BT_CTF_FIELD_TYPE_ID_STRING] = generic_field_freeze, |
| 267 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_freeze, |
| 268 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_freeze, |
| 269 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_freeze, |
| 270 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_freeze, |
| 271 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_freeze, |
| 272 | }; |
| 273 | |
| 274 | static |
| 275 | bt_bool (* const field_is_set_funcs[])(struct bt_ctf_field *) = { |
| 276 | [BT_CTF_FIELD_TYPE_ID_INTEGER] = bt_ctf_field_generic_is_set, |
| 277 | [BT_CTF_FIELD_TYPE_ID_ENUM] = bt_ctf_field_enumeration_is_set, |
| 278 | [BT_CTF_FIELD_TYPE_ID_FLOAT] = bt_ctf_field_generic_is_set, |
| 279 | [BT_CTF_FIELD_TYPE_ID_STRUCT] = bt_ctf_field_structure_is_set, |
| 280 | [BT_CTF_FIELD_TYPE_ID_VARIANT] = bt_ctf_field_variant_is_set, |
| 281 | [BT_CTF_FIELD_TYPE_ID_ARRAY] = bt_ctf_field_array_is_set, |
| 282 | [BT_CTF_FIELD_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_is_set, |
| 283 | [BT_CTF_FIELD_TYPE_ID_STRING] = bt_ctf_field_generic_is_set, |
| 284 | }; |
| 285 | |
| 286 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
| 287 | { |
| 288 | struct bt_ctf_field *field = NULL; |
| 289 | enum bt_ctf_field_type_id type_id; |
| 290 | int ret; |
| 291 | |
| 292 | if (!type) { |
| 293 | BT_LOGW_STR("Invalid parameter: field type is NULL."); |
| 294 | goto error; |
| 295 | } |
| 296 | |
| 297 | type_id = bt_ctf_field_type_get_type_id(type); |
| 298 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || |
| 299 | type_id >= BT_CTF_NR_TYPE_IDS) { |
| 300 | BT_LOGW("Invalid parameter: unknown field type ID: " |
| 301 | "ft-addr=%p, ft-id=%d", type, type_id); |
| 302 | goto error; |
| 303 | } |
| 304 | |
| 305 | /* Field class MUST be valid */ |
| 306 | ret = bt_ctf_field_type_validate(type); |
| 307 | if (ret) { |
| 308 | /* Invalid */ |
| 309 | BT_LOGW("Invalid parameter: field type is invalid: " |
| 310 | "ft-addr=%p", type); |
| 311 | goto error; |
| 312 | } |
| 313 | |
| 314 | field = field_create_funcs[type_id](type); |
| 315 | if (!field) { |
| 316 | goto error; |
| 317 | } |
| 318 | |
| 319 | /* The type's declaration can't change after this point */ |
| 320 | bt_ctf_field_type_freeze(type); |
| 321 | bt_get(type); |
| 322 | bt_object_init(field, bt_ctf_field_destroy); |
| 323 | field->type = type; |
| 324 | error: |
| 325 | return field; |
| 326 | } |
| 327 | |
| 328 | /* Pre-2.0 CTF writer backward compatibility */ |
| 329 | void bt_ctf_field_get(struct bt_ctf_field *field) |
| 330 | { |
| 331 | bt_get(field); |
| 332 | } |
| 333 | |
| 334 | /* Pre-2.0 CTF writer backward compatibility */ |
| 335 | void bt_ctf_field_put(struct bt_ctf_field *field) |
| 336 | { |
| 337 | bt_put(field); |
| 338 | } |
| 339 | |
| 340 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
| 341 | { |
| 342 | struct bt_ctf_field_type *ret = NULL; |
| 343 | |
| 344 | if (!field) { |
| 345 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 346 | goto end; |
| 347 | } |
| 348 | |
| 349 | ret = field->type; |
| 350 | bt_get(ret); |
| 351 | end: |
| 352 | return ret; |
| 353 | } |
| 354 | |
| 355 | enum bt_ctf_field_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
| 356 | { |
| 357 | enum bt_ctf_field_type_id ret = BT_CTF_FIELD_TYPE_ID_UNKNOWN; |
| 358 | |
| 359 | if (!field) { |
| 360 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 361 | goto end; |
| 362 | } |
| 363 | |
| 364 | ret = bt_ctf_field_type_get_type_id(field->type); |
| 365 | end: |
| 366 | return ret; |
| 367 | } |
| 368 | |
| 369 | bt_bool bt_ctf_field_is_integer(struct bt_ctf_field *field) |
| 370 | { |
| 371 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_INTEGER; |
| 372 | } |
| 373 | |
| 374 | bt_bool bt_ctf_field_is_floating_point(struct bt_ctf_field *field) |
| 375 | { |
| 376 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_FLOAT; |
| 377 | } |
| 378 | |
| 379 | bt_bool bt_ctf_field_is_enumeration(struct bt_ctf_field *field) |
| 380 | { |
| 381 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_ENUM; |
| 382 | } |
| 383 | |
| 384 | bt_bool bt_ctf_field_is_string(struct bt_ctf_field *field) |
| 385 | { |
| 386 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_STRING; |
| 387 | } |
| 388 | |
| 389 | bt_bool bt_ctf_field_is_structure(struct bt_ctf_field *field) |
| 390 | { |
| 391 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_STRUCT; |
| 392 | } |
| 393 | |
| 394 | bt_bool bt_ctf_field_is_array(struct bt_ctf_field *field) |
| 395 | { |
| 396 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_ARRAY; |
| 397 | } |
| 398 | |
| 399 | bt_bool bt_ctf_field_is_sequence(struct bt_ctf_field *field) |
| 400 | { |
| 401 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_SEQUENCE; |
| 402 | } |
| 403 | |
| 404 | bt_bool bt_ctf_field_is_variant(struct bt_ctf_field *field) |
| 405 | { |
| 406 | return bt_ctf_field_get_type_id(field) == BT_CTF_FIELD_TYPE_ID_VARIANT; |
| 407 | } |
| 408 | |
| 409 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
| 410 | struct bt_ctf_field *field) |
| 411 | { |
| 412 | struct bt_ctf_field *ret = NULL; |
| 413 | struct bt_ctf_field_sequence *sequence; |
| 414 | |
| 415 | if (!field) { |
| 416 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 417 | goto end; |
| 418 | } |
| 419 | |
| 420 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 421 | BT_CTF_FIELD_TYPE_ID_SEQUENCE) { |
| 422 | BT_LOGW("Invalid parameter: field's type is not a sequence field type: " |
| 423 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 424 | field->type, |
| 425 | bt_ctf_field_type_id_string(field->type->id)); |
| 426 | goto end; |
| 427 | } |
| 428 | |
| 429 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 430 | ret = sequence->length; |
| 431 | bt_get(ret); |
| 432 | end: |
| 433 | return ret; |
| 434 | } |
| 435 | |
| 436 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
| 437 | struct bt_ctf_field *length_field) |
| 438 | { |
| 439 | int ret = 0; |
| 440 | struct bt_ctf_field_type_integer *length_type; |
| 441 | struct bt_ctf_field_integer *length; |
| 442 | struct bt_ctf_field_sequence *sequence; |
| 443 | uint64_t sequence_length; |
| 444 | |
| 445 | if (!field) { |
| 446 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 447 | ret = -1; |
| 448 | goto end; |
| 449 | } |
| 450 | |
| 451 | if (!length_field) { |
| 452 | BT_LOGW_STR("Invalid parameter: length field is NULL."); |
| 453 | ret = -1; |
| 454 | goto end; |
| 455 | } |
| 456 | |
| 457 | if (field->frozen) { |
| 458 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 459 | field); |
| 460 | ret = -1; |
| 461 | goto end; |
| 462 | } |
| 463 | |
| 464 | if (bt_ctf_field_type_get_type_id(length_field->type) != |
| 465 | BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 466 | BT_LOGW("Invalid parameter: length field's type is not an integer field type: " |
| 467 | "field-addr=%p, length-field-addr=%p, length-ft-addr=%p, length-ft-id=%s", |
| 468 | field, length_field, length_field->type, |
| 469 | bt_ctf_field_type_id_string(length_field->type->id)); |
| 470 | ret = -1; |
| 471 | goto end; |
| 472 | } |
| 473 | |
| 474 | length_type = container_of(length_field->type, |
| 475 | struct bt_ctf_field_type_integer, parent); |
| 476 | /* The length field must be unsigned */ |
| 477 | if (length_type->is_signed) { |
| 478 | BT_LOGW("Invalid parameter: length field's type is signed: " |
| 479 | "field-addr=%p, length-field-addr=%p, " |
| 480 | "length-field-ft-addr=%p", field, length_field, |
| 481 | length_field->type); |
| 482 | ret = -1; |
| 483 | goto end; |
| 484 | } |
| 485 | |
| 486 | length = container_of(length_field, struct bt_ctf_field_integer, |
| 487 | parent); |
| 488 | sequence_length = length->payload.unsignd; |
| 489 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 490 | if (sequence->elements) { |
| 491 | g_ptr_array_free(sequence->elements, TRUE); |
| 492 | bt_put(sequence->length); |
| 493 | } |
| 494 | |
| 495 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
| 496 | if (!sequence->elements) { |
| 497 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
| 498 | ret = -1; |
| 499 | goto end; |
| 500 | } |
| 501 | |
| 502 | g_ptr_array_set_free_func(sequence->elements, |
| 503 | (GDestroyNotify) bt_put); |
| 504 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); |
| 505 | bt_get(length_field); |
| 506 | sequence->length = length_field; |
| 507 | end: |
| 508 | return ret; |
| 509 | } |
| 510 | |
| 511 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_name( |
| 512 | struct bt_ctf_field *field, const char *name) |
| 513 | { |
| 514 | struct bt_ctf_field *new_field = NULL; |
| 515 | GQuark field_quark; |
| 516 | struct bt_ctf_field_structure *structure; |
| 517 | struct bt_ctf_field_type *field_type = NULL; |
| 518 | size_t index; |
| 519 | |
| 520 | if (!field) { |
| 521 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 522 | goto error; |
| 523 | } |
| 524 | |
| 525 | if (!name) { |
| 526 | BT_LOGW_STR("Invalid parameter: field name is NULL."); |
| 527 | goto error; |
| 528 | } |
| 529 | |
| 530 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 531 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 532 | BT_LOGW("Invalid parameter: field's type is not a structure field type: " |
| 533 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 534 | field->type, |
| 535 | bt_ctf_field_type_id_string(field->type->id)); |
| 536 | goto error; |
| 537 | } |
| 538 | |
| 539 | field_quark = g_quark_from_string(name); |
| 540 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 541 | field_type = |
| 542 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, |
| 543 | name); |
| 544 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 545 | GUINT_TO_POINTER(field_quark), |
| 546 | NULL, (gpointer *)&index)) { |
| 547 | BT_LOGV("Invalid parameter: no such field in structure field's type: " |
| 548 | "struct-field-addr=%p, struct-ft-addr=%p, " |
| 549 | "field-ft-addr=%p, name=\"%s\"", |
| 550 | field, field->type, field_type, name); |
| 551 | goto error; |
| 552 | } |
| 553 | |
| 554 | if (structure->fields->pdata[index]) { |
| 555 | new_field = structure->fields->pdata[index]; |
| 556 | goto end; |
| 557 | } |
| 558 | |
| 559 | /* We don't want to modify this field if it's frozen */ |
| 560 | if (field->frozen) { |
| 561 | /* |
| 562 | * Not logging a warning here because the user could |
| 563 | * legitimately check if a structure field is set with |
| 564 | * this function: if the preconditions are satisfied, |
| 565 | * a NULL return value means this. |
| 566 | */ |
| 567 | BT_LOGV("Not creating a field because structure field is frozen: " |
| 568 | "struct-field-addr=%p, name=\"%s\"", field, name); |
| 569 | goto end; |
| 570 | } |
| 571 | |
| 572 | new_field = bt_ctf_field_create(field_type); |
| 573 | if (!new_field) { |
| 574 | BT_LOGW("Cannot create field: " |
| 575 | "struct-field-addr=%p, struct-ft-addr=%p, " |
| 576 | "field-ft-addr=%p, name=\"%s\"", |
| 577 | field, field->type, field_type, name); |
| 578 | goto error; |
| 579 | } |
| 580 | |
| 581 | structure->fields->pdata[index] = new_field; |
| 582 | end: |
| 583 | bt_get(new_field); |
| 584 | error: |
| 585 | if (field_type) { |
| 586 | bt_put(field_type); |
| 587 | } |
| 588 | return new_field; |
| 589 | } |
| 590 | |
| 591 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
| 592 | struct bt_ctf_field *field, uint64_t index) |
| 593 | { |
| 594 | int ret; |
| 595 | const char *field_name; |
| 596 | struct bt_ctf_field_structure *structure; |
| 597 | struct bt_ctf_field_type *structure_type; |
| 598 | struct bt_ctf_field_type *field_type = NULL; |
| 599 | struct bt_ctf_field *ret_field = NULL; |
| 600 | |
| 601 | if (!field) { |
| 602 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 603 | goto end; |
| 604 | } |
| 605 | |
| 606 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 607 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 608 | BT_LOGW("Invalid parameter: field's type is not a structure field type: " |
| 609 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 610 | field->type, |
| 611 | bt_ctf_field_type_id_string(field->type->id)); |
| 612 | goto end; |
| 613 | } |
| 614 | |
| 615 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 616 | if (index >= structure->fields->len) { |
| 617 | BT_LOGW("Invalid parameter: index is out of bounds: " |
| 618 | "addr=%p, index=%" PRIu64 ", count=%u", |
| 619 | field, index, structure->fields->len); |
| 620 | goto error; |
| 621 | } |
| 622 | |
| 623 | ret_field = structure->fields->pdata[index]; |
| 624 | if (ret_field) { |
| 625 | goto end; |
| 626 | } |
| 627 | |
| 628 | /* We don't want to modify this field if it's frozen */ |
| 629 | if (field->frozen) { |
| 630 | /* |
| 631 | * Not logging a warning here because the user could |
| 632 | * legitimately check if a structure field is set with |
| 633 | * this function: if the preconditions are satisfied, |
| 634 | * a NULL return value means this. |
| 635 | */ |
| 636 | BT_LOGV("Not creating a field because structure field is frozen: " |
| 637 | "struct-field-addr=%p, index=%" PRIu64, field, index); |
| 638 | goto end; |
| 639 | } |
| 640 | |
| 641 | /* Field has not been instanciated yet, create it */ |
| 642 | structure_type = bt_ctf_field_get_type(field); |
| 643 | assert(structure_type); |
| 644 | ret = bt_ctf_field_type_structure_get_field(structure_type, |
| 645 | &field_name, &field_type, index); |
| 646 | assert(ret == 0); |
| 647 | bt_put(structure_type); |
| 648 | ret_field = bt_ctf_field_create(field_type); |
| 649 | if (!ret_field) { |
| 650 | BT_LOGW("Cannot create field: " |
| 651 | "struct-field-addr=%p, struct-ft-addr=%p, " |
| 652 | "field-ft-addr=%p, index=%" PRIu64, |
| 653 | field, field->type, field_type, index); |
| 654 | goto error; |
| 655 | } |
| 656 | |
| 657 | structure->fields->pdata[index] = ret_field; |
| 658 | end: |
| 659 | bt_get(ret_field); |
| 660 | error: |
| 661 | bt_put(field_type); |
| 662 | return ret_field; |
| 663 | } |
| 664 | |
| 665 | int bt_ctf_field_structure_set_field_by_name(struct bt_ctf_field *field, |
| 666 | const char *name, struct bt_ctf_field *value) |
| 667 | { |
| 668 | int ret = 0; |
| 669 | GQuark field_quark; |
| 670 | struct bt_ctf_field_structure *structure; |
| 671 | struct bt_ctf_field_type *expected_field_type = NULL; |
| 672 | size_t index; |
| 673 | |
| 674 | if (!field) { |
| 675 | BT_LOGW_STR("Invalid parameter: structure field is NULL."); |
| 676 | ret = -1; |
| 677 | goto end; |
| 678 | } |
| 679 | |
| 680 | if (!name) { |
| 681 | BT_LOGW_STR("Invalid parameter: field name is NULL."); |
| 682 | ret = -1; |
| 683 | goto end; |
| 684 | } |
| 685 | |
| 686 | if (!value) { |
| 687 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 688 | ret = -1; |
| 689 | goto end; |
| 690 | } |
| 691 | |
| 692 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 693 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
| 694 | BT_LOGW("Invalid parameter: field's type is not a structure field type: " |
| 695 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 696 | field->type, |
| 697 | bt_ctf_field_type_id_string(field->type->id)); |
| 698 | ret = -1; |
| 699 | goto end; |
| 700 | } |
| 701 | |
| 702 | field_quark = g_quark_from_string(name); |
| 703 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 704 | expected_field_type = |
| 705 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, |
| 706 | name); |
| 707 | |
| 708 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { |
| 709 | BT_LOGW("Invalid parameter: field type of field to set is different from the expected field type: " |
| 710 | "struct-field-addr=%p, field-addr=%p, " |
| 711 | "field-ft-addr=%p, expected-ft-addr=%p", |
| 712 | field, value, value->type, expected_field_type); |
| 713 | ret = -1; |
| 714 | goto end; |
| 715 | } |
| 716 | |
| 717 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 718 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { |
| 719 | BT_LOGV("Invalid parameter: no such field in structure field's type: " |
| 720 | "struct-field-addr=%p, struct-ft-addr=%p, " |
| 721 | "field-ft-addr=%p, name=\"%s\"", |
| 722 | field, field->type, value->type, name); |
| 723 | ret = -1; |
| 724 | goto end; |
| 725 | } |
| 726 | |
| 727 | if (structure->fields->pdata[index]) { |
| 728 | bt_put(structure->fields->pdata[index]); |
| 729 | } |
| 730 | |
| 731 | structure->fields->pdata[index] = value; |
| 732 | bt_get(value); |
| 733 | end: |
| 734 | if (expected_field_type) { |
| 735 | bt_put(expected_field_type); |
| 736 | } |
| 737 | return ret; |
| 738 | } |
| 739 | |
| 740 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, |
| 741 | uint64_t index) |
| 742 | { |
| 743 | struct bt_ctf_field *new_field = NULL; |
| 744 | struct bt_ctf_field_type *field_type = NULL; |
| 745 | struct bt_ctf_field_array *array; |
| 746 | |
| 747 | if (!field) { |
| 748 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 749 | goto end; |
| 750 | } |
| 751 | |
| 752 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 753 | BT_CTF_FIELD_TYPE_ID_ARRAY) { |
| 754 | BT_LOGW("Invalid parameter: field's type is not an array field type: " |
| 755 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 756 | field->type, |
| 757 | bt_ctf_field_type_id_string(field->type->id)); |
| 758 | goto end; |
| 759 | } |
| 760 | |
| 761 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 762 | if (index >= array->elements->len) { |
| 763 | BT_LOGW("Invalid parameter: index is out of bounds: " |
| 764 | "addr=%p, index=%" PRIu64 ", count=%u", |
| 765 | field, index, array->elements->len); |
| 766 | goto end; |
| 767 | } |
| 768 | |
| 769 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
| 770 | if (array->elements->pdata[(size_t)index]) { |
| 771 | new_field = array->elements->pdata[(size_t)index]; |
| 772 | goto end; |
| 773 | } |
| 774 | |
| 775 | /* We don't want to modify this field if it's frozen */ |
| 776 | if (field->frozen) { |
| 777 | /* |
| 778 | * Not logging a warning here because the user could |
| 779 | * legitimately check if a array field is set with |
| 780 | * this function: if the preconditions are satisfied, |
| 781 | * a NULL return value means this. |
| 782 | */ |
| 783 | BT_LOGV("Not creating a field because array field is frozen: " |
| 784 | "array-field-addr=%p, index=%" PRIu64, field, index); |
| 785 | goto end; |
| 786 | } |
| 787 | |
| 788 | new_field = bt_ctf_field_create(field_type); |
| 789 | array->elements->pdata[(size_t)index] = new_field; |
| 790 | end: |
| 791 | if (field_type) { |
| 792 | bt_put(field_type); |
| 793 | } |
| 794 | if (new_field) { |
| 795 | bt_get(new_field); |
| 796 | } |
| 797 | return new_field; |
| 798 | } |
| 799 | |
| 800 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, |
| 801 | uint64_t index) |
| 802 | { |
| 803 | struct bt_ctf_field *new_field = NULL; |
| 804 | struct bt_ctf_field_type *field_type = NULL; |
| 805 | struct bt_ctf_field_sequence *sequence; |
| 806 | |
| 807 | if (!field) { |
| 808 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 809 | goto end; |
| 810 | } |
| 811 | |
| 812 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 813 | BT_CTF_FIELD_TYPE_ID_SEQUENCE) { |
| 814 | BT_LOGW("Invalid parameter: field's type is not a sequence field type: " |
| 815 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 816 | field->type, |
| 817 | bt_ctf_field_type_id_string(field->type->id)); |
| 818 | goto end; |
| 819 | } |
| 820 | |
| 821 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 822 | if (!sequence->elements) { |
| 823 | BT_LOGV("Sequence field's elements do not exist: addr=%p", |
| 824 | field); |
| 825 | goto end; |
| 826 | } |
| 827 | |
| 828 | if (index >= sequence->elements->len) { |
| 829 | BT_LOGW("Invalid parameter: index is out of bounds: " |
| 830 | "addr=%p, index=%" PRIu64 ", count=%u", |
| 831 | field, index, sequence->elements->len); |
| 832 | goto end; |
| 833 | } |
| 834 | |
| 835 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
| 836 | if (sequence->elements->pdata[(size_t) index]) { |
| 837 | new_field = sequence->elements->pdata[(size_t) index]; |
| 838 | goto end; |
| 839 | } |
| 840 | |
| 841 | /* We don't want to modify this field if it's frozen */ |
| 842 | if (field->frozen) { |
| 843 | /* |
| 844 | * Not logging a warning here because the user could |
| 845 | * legitimately check if a sequence field is set with |
| 846 | * this function: if the preconditions are satisfied, |
| 847 | * a NULL return value means this. |
| 848 | */ |
| 849 | BT_LOGV("Not creating a field because sequence field is frozen: " |
| 850 | "sequence-field-addr=%p, index=%" PRIu64, field, index); |
| 851 | goto end; |
| 852 | } |
| 853 | |
| 854 | new_field = bt_ctf_field_create(field_type); |
| 855 | sequence->elements->pdata[(size_t) index] = new_field; |
| 856 | end: |
| 857 | if (field_type) { |
| 858 | bt_put(field_type); |
| 859 | } |
| 860 | if (new_field) { |
| 861 | bt_get(new_field); |
| 862 | } |
| 863 | return new_field; |
| 864 | } |
| 865 | |
| 866 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, |
| 867 | struct bt_ctf_field *tag_field) |
| 868 | { |
| 869 | struct bt_ctf_field *new_field = NULL; |
| 870 | struct bt_ctf_field_variant *variant; |
| 871 | struct bt_ctf_field_type_variant *variant_type; |
| 872 | struct bt_ctf_field_type *field_type; |
| 873 | struct bt_ctf_field *tag_enum = NULL; |
| 874 | struct bt_ctf_field_integer *tag_enum_integer; |
| 875 | int64_t tag_enum_value; |
| 876 | |
| 877 | if (!field) { |
| 878 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 879 | goto end; |
| 880 | } |
| 881 | |
| 882 | if (!tag_field) { |
| 883 | BT_LOGW_STR("Invalid parameter: tag field is NULL."); |
| 884 | goto end; |
| 885 | } |
| 886 | |
| 887 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 888 | BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 889 | BT_LOGW("Invalid parameter: field's type is not a variant field type: " |
| 890 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 891 | field->type, |
| 892 | bt_ctf_field_type_id_string(field->type->id)); |
| 893 | goto end; |
| 894 | } |
| 895 | |
| 896 | if (bt_ctf_field_type_get_type_id(tag_field->type) != |
| 897 | BT_CTF_FIELD_TYPE_ID_ENUM) { |
| 898 | BT_LOGW("Invalid parameter: tag field's type is not an enumeration field type: " |
| 899 | "field-addr=%p, ft-addr=%p, ft-id=%s", tag_field, |
| 900 | tag_field->type, |
| 901 | bt_ctf_field_type_id_string(tag_field->type->id)); |
| 902 | goto end; |
| 903 | } |
| 904 | |
| 905 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 906 | variant_type = container_of(field->type, |
| 907 | struct bt_ctf_field_type_variant, parent); |
| 908 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); |
| 909 | if (!tag_enum) { |
| 910 | goto end; |
| 911 | } |
| 912 | |
| 913 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, |
| 914 | parent); |
| 915 | |
| 916 | if (bt_ctf_field_validate(tag_field) < 0) { |
| 917 | BT_LOGW("Invalid parameter: tag field is invalid: " |
| 918 | "variant-field-addr=%p, tag-field-addr=%p", |
| 919 | field, tag_field); |
| 920 | goto end; |
| 921 | } |
| 922 | |
| 923 | tag_enum_value = tag_enum_integer->payload.signd; |
| 924 | |
| 925 | /* |
| 926 | * If the variant currently has a tag and a payload, and if the |
| 927 | * requested tag value is the same as the current one, return |
| 928 | * the current payload instead of creating a fresh one. |
| 929 | */ |
| 930 | if (variant->tag && variant->payload) { |
| 931 | struct bt_ctf_field *cur_tag_container = NULL; |
| 932 | struct bt_ctf_field_integer *cur_tag_enum_integer; |
| 933 | int64_t cur_tag_value; |
| 934 | |
| 935 | cur_tag_container = |
| 936 | bt_ctf_field_enumeration_get_container(variant->tag); |
| 937 | assert(cur_tag_container); |
| 938 | cur_tag_enum_integer = container_of(cur_tag_container, |
| 939 | struct bt_ctf_field_integer, parent); |
| 940 | bt_put(cur_tag_container); |
| 941 | cur_tag_value = cur_tag_enum_integer->payload.signd; |
| 942 | |
| 943 | if (cur_tag_value == tag_enum_value) { |
| 944 | new_field = variant->payload; |
| 945 | bt_get(new_field); |
| 946 | goto end; |
| 947 | } |
| 948 | } |
| 949 | |
| 950 | /* We don't want to modify this field if it's frozen */ |
| 951 | if (field->frozen) { |
| 952 | /* |
| 953 | * Not logging a warning here because the user could |
| 954 | * legitimately check if a variant field is set with |
| 955 | * this function: if the preconditions are satisfied, |
| 956 | * a NULL return value means this. |
| 957 | */ |
| 958 | BT_LOGV("Not creating a field because variant field is frozen: " |
| 959 | "variant-field-addr=%p, tag-field-addr=%p", |
| 960 | field, tag_field); |
| 961 | goto end; |
| 962 | } |
| 963 | |
| 964 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
| 965 | variant_type, tag_enum_value); |
| 966 | if (!field_type) { |
| 967 | BT_LOGW("Cannot get variant field type's field: " |
| 968 | "variant-field-addr=%p, variant-ft-addr=%p, " |
| 969 | "tag-value-signed=%" PRId64, |
| 970 | field, variant_type, tag_enum_value); |
| 971 | goto end; |
| 972 | } |
| 973 | |
| 974 | new_field = bt_ctf_field_create(field_type); |
| 975 | if (!new_field) { |
| 976 | BT_LOGW("Cannot create field: " |
| 977 | "variant-field-addr=%p, variant-ft-addr=%p, " |
| 978 | "field-ft-addr=%p", field, field->type, field_type); |
| 979 | goto end; |
| 980 | } |
| 981 | |
| 982 | bt_put(variant->tag); |
| 983 | bt_put(variant->payload); |
| 984 | bt_get(new_field); |
| 985 | bt_get(tag_field); |
| 986 | variant->tag = tag_field; |
| 987 | variant->payload = new_field; |
| 988 | end: |
| 989 | bt_put(tag_enum); |
| 990 | return new_field; |
| 991 | } |
| 992 | |
| 993 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
| 994 | struct bt_ctf_field *variant_field) |
| 995 | { |
| 996 | struct bt_ctf_field *current_field = NULL; |
| 997 | struct bt_ctf_field_variant *variant; |
| 998 | |
| 999 | if (!variant_field) { |
| 1000 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1001 | goto end; |
| 1002 | } |
| 1003 | |
| 1004 | if (bt_ctf_field_type_get_type_id(variant_field->type) != |
| 1005 | BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 1006 | BT_LOGW("Invalid parameter: field's type is not a variant field type: " |
| 1007 | "field-addr=%p, ft-addr=%p, ft-id=%s", variant_field, |
| 1008 | variant_field->type, |
| 1009 | bt_ctf_field_type_id_string(variant_field->type->id)); |
| 1010 | goto end; |
| 1011 | } |
| 1012 | |
| 1013 | variant = container_of(variant_field, struct bt_ctf_field_variant, |
| 1014 | parent); |
| 1015 | |
| 1016 | if (variant->payload) { |
| 1017 | current_field = variant->payload; |
| 1018 | bt_get(current_field); |
| 1019 | goto end; |
| 1020 | } |
| 1021 | |
| 1022 | end: |
| 1023 | return current_field; |
| 1024 | } |
| 1025 | |
| 1026 | struct bt_ctf_field *bt_ctf_field_variant_get_tag( |
| 1027 | struct bt_ctf_field *variant_field) |
| 1028 | { |
| 1029 | struct bt_ctf_field *tag = NULL; |
| 1030 | struct bt_ctf_field_variant *variant; |
| 1031 | |
| 1032 | if (!variant_field) { |
| 1033 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1034 | goto end; |
| 1035 | } |
| 1036 | |
| 1037 | if (bt_ctf_field_type_get_type_id(variant_field->type) != |
| 1038 | BT_CTF_FIELD_TYPE_ID_VARIANT) { |
| 1039 | BT_LOGW("Invalid parameter: field's type is not a variant field type: " |
| 1040 | "field-addr=%p, ft-addr=%p, ft-id=%s", variant_field, |
| 1041 | variant_field->type, |
| 1042 | bt_ctf_field_type_id_string(variant_field->type->id)); |
| 1043 | goto end; |
| 1044 | } |
| 1045 | |
| 1046 | variant = container_of(variant_field, struct bt_ctf_field_variant, |
| 1047 | parent); |
| 1048 | if (variant->tag) { |
| 1049 | tag = bt_get(variant->tag); |
| 1050 | } |
| 1051 | end: |
| 1052 | return tag; |
| 1053 | } |
| 1054 | |
| 1055 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
| 1056 | struct bt_ctf_field *field) |
| 1057 | { |
| 1058 | struct bt_ctf_field *container = NULL; |
| 1059 | struct bt_ctf_field_enumeration *enumeration; |
| 1060 | |
| 1061 | if (!field) { |
| 1062 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1063 | goto end; |
| 1064 | } |
| 1065 | |
| 1066 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1067 | BT_CTF_FIELD_TYPE_ID_ENUM) { |
| 1068 | BT_LOGW("Invalid parameter: field's type is not an enumeration field type: " |
| 1069 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1070 | field->type, |
| 1071 | bt_ctf_field_type_id_string(field->type->id)); |
| 1072 | goto end; |
| 1073 | } |
| 1074 | |
| 1075 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 1076 | parent); |
| 1077 | if (!enumeration->payload) { |
| 1078 | /* We don't want to modify this field if it's frozen */ |
| 1079 | if (field->frozen) { |
| 1080 | /* |
| 1081 | * Not logging a warning here because the user |
| 1082 | * could legitimately check if an enumeration's |
| 1083 | * container field is set with this function: if |
| 1084 | * the preconditions are satisfied, a NULL |
| 1085 | * return value means this. |
| 1086 | */ |
| 1087 | BT_LOGV("Not creating a field because enumeration field is frozen: " |
| 1088 | "enum-field-addr=%p", field); |
| 1089 | goto end; |
| 1090 | } |
| 1091 | |
| 1092 | struct bt_ctf_field_type_enumeration *enumeration_type = |
| 1093 | container_of(field->type, |
| 1094 | struct bt_ctf_field_type_enumeration, parent); |
| 1095 | enumeration->payload = |
| 1096 | bt_ctf_field_create(enumeration_type->container); |
| 1097 | } |
| 1098 | |
| 1099 | container = enumeration->payload; |
| 1100 | bt_get(container); |
| 1101 | end: |
| 1102 | return container; |
| 1103 | } |
| 1104 | |
| 1105 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
| 1106 | bt_ctf_field_enumeration_get_mappings(struct bt_ctf_field *field) |
| 1107 | { |
| 1108 | int ret; |
| 1109 | struct bt_ctf_field *container = NULL; |
| 1110 | struct bt_ctf_field_type *container_type = NULL; |
| 1111 | struct bt_ctf_field_type_integer *integer_type = NULL; |
| 1112 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL; |
| 1113 | |
| 1114 | container = bt_ctf_field_enumeration_get_container(field); |
| 1115 | if (!container) { |
| 1116 | BT_LOGW("Invalid parameter: enumeration field has no container field: " |
| 1117 | "addr=%p", field); |
| 1118 | goto end; |
| 1119 | } |
| 1120 | |
| 1121 | container_type = bt_ctf_field_get_type(container); |
| 1122 | assert(container_type); |
| 1123 | integer_type = container_of(container_type, |
| 1124 | struct bt_ctf_field_type_integer, parent); |
| 1125 | |
| 1126 | if (!integer_type->is_signed) { |
| 1127 | uint64_t value; |
| 1128 | |
| 1129 | ret = bt_ctf_field_unsigned_integer_get_value(container, |
| 1130 | &value); |
| 1131 | if (ret) { |
| 1132 | BT_LOGW("Cannot get value from signed enumeration field's payload field: " |
| 1133 | "enum-field-addr=%p, payload-field-addr=%p", |
| 1134 | field, container); |
| 1135 | goto error_put_container_type; |
| 1136 | } |
| 1137 | iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value( |
| 1138 | field->type, value); |
| 1139 | } else { |
| 1140 | int64_t value; |
| 1141 | |
| 1142 | ret = bt_ctf_field_signed_integer_get_value(container, |
| 1143 | &value); |
| 1144 | if (ret) { |
| 1145 | BT_LOGW("Cannot get value from unsigned enumeration field's payload field: " |
| 1146 | "enum-field-addr=%p, payload-field-addr=%p", |
| 1147 | field, container); |
| 1148 | goto error_put_container_type; |
| 1149 | } |
| 1150 | iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value( |
| 1151 | field->type, value); |
| 1152 | } |
| 1153 | |
| 1154 | error_put_container_type: |
| 1155 | bt_put(container_type); |
| 1156 | bt_put(container); |
| 1157 | end: |
| 1158 | return iter; |
| 1159 | } |
| 1160 | |
| 1161 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, |
| 1162 | int64_t *value) |
| 1163 | { |
| 1164 | int ret = 0; |
| 1165 | struct bt_ctf_field_integer *integer; |
| 1166 | struct bt_ctf_field_type_integer *integer_type; |
| 1167 | |
| 1168 | if (!field) { |
| 1169 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1170 | ret = -1; |
| 1171 | goto end; |
| 1172 | } |
| 1173 | |
| 1174 | if (!value) { |
| 1175 | BT_LOGW_STR("Invalid parameter: value is NULL."); |
| 1176 | ret = -1; |
| 1177 | goto end; |
| 1178 | } |
| 1179 | |
| 1180 | if (!field->payload_set) { |
| 1181 | BT_LOGV("Field's payload is not set: addr=%p", field); |
| 1182 | ret = -1; |
| 1183 | goto end; |
| 1184 | } |
| 1185 | |
| 1186 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1187 | BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 1188 | BT_LOGW("Invalid parameter: field's type is not an integer field type: " |
| 1189 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1190 | field->type, |
| 1191 | bt_ctf_field_type_id_string(field->type->id)); |
| 1192 | ret = -1; |
| 1193 | goto end; |
| 1194 | } |
| 1195 | |
| 1196 | integer_type = container_of(field->type, |
| 1197 | struct bt_ctf_field_type_integer, parent); |
| 1198 | if (!integer_type->is_signed) { |
| 1199 | BT_LOGW("Invalid parameter: integer field's type is not signed: " |
| 1200 | "field-addr=%p, ft-addr=%p", field, field->type); |
| 1201 | ret = -1; |
| 1202 | goto end; |
| 1203 | } |
| 1204 | |
| 1205 | integer = container_of(field, |
| 1206 | struct bt_ctf_field_integer, parent); |
| 1207 | *value = integer->payload.signd; |
| 1208 | end: |
| 1209 | return ret; |
| 1210 | } |
| 1211 | |
| 1212 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
| 1213 | int64_t value) |
| 1214 | { |
| 1215 | int ret = 0; |
| 1216 | struct bt_ctf_field_integer *integer; |
| 1217 | struct bt_ctf_field_type_integer *integer_type; |
| 1218 | unsigned int size; |
| 1219 | int64_t min_value, max_value; |
| 1220 | |
| 1221 | if (!field) { |
| 1222 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1223 | ret = -1; |
| 1224 | goto end; |
| 1225 | } |
| 1226 | |
| 1227 | if (field->frozen) { |
| 1228 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 1229 | field); |
| 1230 | ret = -1; |
| 1231 | goto end; |
| 1232 | } |
| 1233 | |
| 1234 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1235 | BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 1236 | BT_LOGW("Invalid parameter: field's type is not an integer field type: " |
| 1237 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1238 | field->type, |
| 1239 | bt_ctf_field_type_id_string(field->type->id)); |
| 1240 | ret = -1; |
| 1241 | goto end; |
| 1242 | } |
| 1243 | |
| 1244 | integer = container_of(field, struct bt_ctf_field_integer, parent); |
| 1245 | integer_type = container_of(field->type, |
| 1246 | struct bt_ctf_field_type_integer, parent); |
| 1247 | if (!integer_type->is_signed) { |
| 1248 | BT_LOGW("Invalid parameter: integer field's type is not signed: " |
| 1249 | "field-addr=%p, ft-addr=%p", field, field->type); |
| 1250 | ret = -1; |
| 1251 | goto end; |
| 1252 | } |
| 1253 | |
| 1254 | size = integer_type->size; |
| 1255 | min_value = -(1ULL << (size - 1)); |
| 1256 | max_value = (1ULL << (size - 1)) - 1; |
| 1257 | if (value < min_value || value > max_value) { |
| 1258 | BT_LOGW("Invalid parameter: value is out of bounds: " |
| 1259 | "addr=%p, value=%" PRId64 ", " |
| 1260 | "min-value=%" PRId64 ", max-value=%" PRId64, |
| 1261 | field, value, min_value, max_value); |
| 1262 | ret = -1; |
| 1263 | goto end; |
| 1264 | } |
| 1265 | |
| 1266 | integer->payload.signd = value; |
| 1267 | integer->parent.payload_set = 1; |
| 1268 | end: |
| 1269 | return ret; |
| 1270 | } |
| 1271 | |
| 1272 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
| 1273 | uint64_t *value) |
| 1274 | { |
| 1275 | int ret = 0; |
| 1276 | struct bt_ctf_field_integer *integer; |
| 1277 | struct bt_ctf_field_type_integer *integer_type; |
| 1278 | |
| 1279 | if (!field) { |
| 1280 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1281 | ret = -1; |
| 1282 | goto end; |
| 1283 | } |
| 1284 | |
| 1285 | if (!value) { |
| 1286 | BT_LOGW_STR("Invalid parameter: value is NULL."); |
| 1287 | ret = -1; |
| 1288 | goto end; |
| 1289 | } |
| 1290 | |
| 1291 | if (!field->payload_set) { |
| 1292 | BT_LOGV("Field's payload is not set: addr=%p", field); |
| 1293 | ret = -1; |
| 1294 | goto end; |
| 1295 | } |
| 1296 | |
| 1297 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1298 | BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 1299 | BT_LOGW("Invalid parameter: field's type is not an integer field type: " |
| 1300 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1301 | field->type, |
| 1302 | bt_ctf_field_type_id_string(field->type->id)); |
| 1303 | ret = -1; |
| 1304 | goto end; |
| 1305 | } |
| 1306 | |
| 1307 | integer_type = container_of(field->type, |
| 1308 | struct bt_ctf_field_type_integer, parent); |
| 1309 | if (integer_type->is_signed) { |
| 1310 | BT_LOGW("Invalid parameter: integer field's type is signed: " |
| 1311 | "field-addr=%p, ft-addr=%p", field, field->type); |
| 1312 | ret = -1; |
| 1313 | goto end; |
| 1314 | } |
| 1315 | |
| 1316 | integer = container_of(field, |
| 1317 | struct bt_ctf_field_integer, parent); |
| 1318 | *value = integer->payload.unsignd; |
| 1319 | end: |
| 1320 | return ret; |
| 1321 | } |
| 1322 | |
| 1323 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
| 1324 | uint64_t value) |
| 1325 | { |
| 1326 | int ret = 0; |
| 1327 | struct bt_ctf_field_integer *integer; |
| 1328 | struct bt_ctf_field_type_integer *integer_type; |
| 1329 | unsigned int size; |
| 1330 | uint64_t max_value; |
| 1331 | |
| 1332 | if (!field) { |
| 1333 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1334 | ret = -1; |
| 1335 | goto end; |
| 1336 | } |
| 1337 | |
| 1338 | if (field->frozen) { |
| 1339 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 1340 | field); |
| 1341 | ret = -1; |
| 1342 | goto end; |
| 1343 | } |
| 1344 | |
| 1345 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1346 | BT_CTF_FIELD_TYPE_ID_INTEGER) { |
| 1347 | BT_LOGW("Invalid parameter: field's type is not an integer field type: " |
| 1348 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1349 | field->type, |
| 1350 | bt_ctf_field_type_id_string(field->type->id)); |
| 1351 | ret = -1; |
| 1352 | goto end; |
| 1353 | } |
| 1354 | |
| 1355 | integer = container_of(field, struct bt_ctf_field_integer, parent); |
| 1356 | integer_type = container_of(field->type, |
| 1357 | struct bt_ctf_field_type_integer, parent); |
| 1358 | if (integer_type->is_signed) { |
| 1359 | BT_LOGW("Invalid parameter: integer field's type is signed: " |
| 1360 | "field-addr=%p, ft-addr=%p", field, field->type); |
| 1361 | ret = -1; |
| 1362 | goto end; |
| 1363 | } |
| 1364 | |
| 1365 | size = integer_type->size; |
| 1366 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1; |
| 1367 | if (value > max_value) { |
| 1368 | BT_LOGW("Invalid parameter: value is out of bounds: " |
| 1369 | "addr=%p, value=%" PRIu64 ", " |
| 1370 | "min-value=%" PRIu64 ", max-value=%" PRIu64, |
| 1371 | field, value, (uint64_t) 0, max_value); |
| 1372 | ret = -1; |
| 1373 | goto end; |
| 1374 | } |
| 1375 | |
| 1376 | integer->payload.unsignd = value; |
| 1377 | integer->parent.payload_set = 1; |
| 1378 | end: |
| 1379 | return ret; |
| 1380 | } |
| 1381 | |
| 1382 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
| 1383 | double *value) |
| 1384 | { |
| 1385 | int ret = 0; |
| 1386 | struct bt_ctf_field_floating_point *floating_point; |
| 1387 | |
| 1388 | if (!field) { |
| 1389 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1390 | ret = -1; |
| 1391 | goto end; |
| 1392 | } |
| 1393 | |
| 1394 | if (!value) { |
| 1395 | BT_LOGW_STR("Invalid parameter: value is NULL."); |
| 1396 | ret = -1; |
| 1397 | goto end; |
| 1398 | } |
| 1399 | |
| 1400 | if (!field->payload_set) { |
| 1401 | BT_LOGV("Field's payload is not set: addr=%p", field); |
| 1402 | ret = -1; |
| 1403 | goto end; |
| 1404 | } |
| 1405 | |
| 1406 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1407 | BT_CTF_FIELD_TYPE_ID_FLOAT) { |
| 1408 | BT_LOGW("Invalid parameter: field's type is not a floating point number field type: " |
| 1409 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1410 | field->type, |
| 1411 | bt_ctf_field_type_id_string(field->type->id)); |
| 1412 | ret = -1; |
| 1413 | goto end; |
| 1414 | } |
| 1415 | |
| 1416 | floating_point = container_of(field, |
| 1417 | struct bt_ctf_field_floating_point, parent); |
| 1418 | *value = floating_point->payload; |
| 1419 | end: |
| 1420 | return ret; |
| 1421 | } |
| 1422 | |
| 1423 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
| 1424 | double value) |
| 1425 | { |
| 1426 | int ret = 0; |
| 1427 | struct bt_ctf_field_floating_point *floating_point; |
| 1428 | |
| 1429 | if (!field) { |
| 1430 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1431 | ret = -1; |
| 1432 | goto end; |
| 1433 | } |
| 1434 | |
| 1435 | if (field->frozen) { |
| 1436 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 1437 | field); |
| 1438 | ret = -1; |
| 1439 | goto end; |
| 1440 | } |
| 1441 | |
| 1442 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1443 | BT_CTF_FIELD_TYPE_ID_FLOAT) { |
| 1444 | BT_LOGW("Invalid parameter: field's type is not a floating point number field type: " |
| 1445 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1446 | field->type, |
| 1447 | bt_ctf_field_type_id_string(field->type->id)); |
| 1448 | ret = -1; |
| 1449 | goto end; |
| 1450 | } |
| 1451 | |
| 1452 | floating_point = container_of(field, struct bt_ctf_field_floating_point, |
| 1453 | parent); |
| 1454 | floating_point->payload = value; |
| 1455 | floating_point->parent.payload_set = 1; |
| 1456 | end: |
| 1457 | return ret; |
| 1458 | } |
| 1459 | |
| 1460 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
| 1461 | { |
| 1462 | const char *ret = NULL; |
| 1463 | struct bt_ctf_field_string *string; |
| 1464 | |
| 1465 | if (!field) { |
| 1466 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1467 | goto end; |
| 1468 | } |
| 1469 | |
| 1470 | if (!field->payload_set) { |
| 1471 | BT_LOGV("Field's payload is not set: addr=%p", field); |
| 1472 | goto end; |
| 1473 | } |
| 1474 | |
| 1475 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1476 | BT_CTF_FIELD_TYPE_ID_STRING) { |
| 1477 | BT_LOGW("Invalid parameter: field's type is not a string field type: " |
| 1478 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1479 | field->type, |
| 1480 | bt_ctf_field_type_id_string(field->type->id)); |
| 1481 | goto end; |
| 1482 | } |
| 1483 | |
| 1484 | string = container_of(field, |
| 1485 | struct bt_ctf_field_string, parent); |
| 1486 | ret = string->payload->str; |
| 1487 | end: |
| 1488 | return ret; |
| 1489 | } |
| 1490 | |
| 1491 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
| 1492 | const char *value) |
| 1493 | { |
| 1494 | int ret = 0; |
| 1495 | struct bt_ctf_field_string *string; |
| 1496 | |
| 1497 | if (!field) { |
| 1498 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1499 | ret = -1; |
| 1500 | goto end; |
| 1501 | } |
| 1502 | |
| 1503 | if (!value) { |
| 1504 | BT_LOGW_STR("Invalid parameter: value is NULL."); |
| 1505 | ret = -1; |
| 1506 | goto end; |
| 1507 | } |
| 1508 | |
| 1509 | if (field->frozen) { |
| 1510 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 1511 | field); |
| 1512 | ret = -1; |
| 1513 | goto end; |
| 1514 | } |
| 1515 | |
| 1516 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1517 | BT_CTF_FIELD_TYPE_ID_STRING) { |
| 1518 | BT_LOGW("Invalid parameter: field's type is not a string field type: " |
| 1519 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1520 | field->type, |
| 1521 | bt_ctf_field_type_id_string(field->type->id)); |
| 1522 | ret = -1; |
| 1523 | goto end; |
| 1524 | } |
| 1525 | |
| 1526 | string = container_of(field, struct bt_ctf_field_string, parent); |
| 1527 | if (string->payload) { |
| 1528 | g_string_assign(string->payload, value); |
| 1529 | } else { |
| 1530 | string->payload = g_string_new(value); |
| 1531 | } |
| 1532 | |
| 1533 | string->parent.payload_set = 1; |
| 1534 | end: |
| 1535 | return ret; |
| 1536 | } |
| 1537 | |
| 1538 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
| 1539 | const char *value) |
| 1540 | { |
| 1541 | int ret = 0; |
| 1542 | struct bt_ctf_field_string *string_field; |
| 1543 | |
| 1544 | if (!field) { |
| 1545 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1546 | ret = -1; |
| 1547 | goto end; |
| 1548 | } |
| 1549 | |
| 1550 | if (!value) { |
| 1551 | BT_LOGW_STR("Invalid parameter: value is NULL."); |
| 1552 | ret = -1; |
| 1553 | goto end; |
| 1554 | } |
| 1555 | |
| 1556 | if (field->frozen) { |
| 1557 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 1558 | field); |
| 1559 | ret = -1; |
| 1560 | goto end; |
| 1561 | } |
| 1562 | |
| 1563 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1564 | BT_CTF_FIELD_TYPE_ID_STRING) { |
| 1565 | BT_LOGW("Invalid parameter: field's type is not a string field type: " |
| 1566 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1567 | field->type, |
| 1568 | bt_ctf_field_type_id_string(field->type->id)); |
| 1569 | ret = -1; |
| 1570 | goto end; |
| 1571 | } |
| 1572 | |
| 1573 | string_field = container_of(field, struct bt_ctf_field_string, parent); |
| 1574 | |
| 1575 | if (string_field->payload) { |
| 1576 | g_string_append(string_field->payload, value); |
| 1577 | } else { |
| 1578 | string_field->payload = g_string_new(value); |
| 1579 | } |
| 1580 | |
| 1581 | string_field->parent.payload_set = 1; |
| 1582 | |
| 1583 | end: |
| 1584 | return ret; |
| 1585 | } |
| 1586 | |
| 1587 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
| 1588 | const char *value, unsigned int length) |
| 1589 | { |
| 1590 | int i; |
| 1591 | int ret = 0; |
| 1592 | unsigned int effective_length = length; |
| 1593 | struct bt_ctf_field_string *string_field; |
| 1594 | |
| 1595 | if (!field) { |
| 1596 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1597 | ret = -1; |
| 1598 | goto end; |
| 1599 | } |
| 1600 | |
| 1601 | if (!value) { |
| 1602 | BT_LOGW_STR("Invalid parameter: value is NULL."); |
| 1603 | ret = -1; |
| 1604 | goto end; |
| 1605 | } |
| 1606 | |
| 1607 | if (field->frozen) { |
| 1608 | BT_LOGW("Invalid parameter: field is frozen: addr=%p", |
| 1609 | field); |
| 1610 | ret = -1; |
| 1611 | goto end; |
| 1612 | } |
| 1613 | |
| 1614 | if (bt_ctf_field_type_get_type_id(field->type) != |
| 1615 | BT_CTF_FIELD_TYPE_ID_STRING) { |
| 1616 | BT_LOGW("Invalid parameter: field's type is not a string field type: " |
| 1617 | "field-addr=%p, ft-addr=%p, ft-id=%s", field, |
| 1618 | field->type, |
| 1619 | bt_ctf_field_type_id_string(field->type->id)); |
| 1620 | ret = -1; |
| 1621 | goto end; |
| 1622 | } |
| 1623 | |
| 1624 | string_field = container_of(field, struct bt_ctf_field_string, parent); |
| 1625 | |
| 1626 | /* make sure no null bytes are appended */ |
| 1627 | for (i = 0; i < length; ++i) { |
| 1628 | if (value[i] == '\0') { |
| 1629 | effective_length = i; |
| 1630 | break; |
| 1631 | } |
| 1632 | } |
| 1633 | |
| 1634 | if (string_field->payload) { |
| 1635 | g_string_append_len(string_field->payload, value, |
| 1636 | effective_length); |
| 1637 | } else { |
| 1638 | string_field->payload = g_string_new_len(value, |
| 1639 | effective_length); |
| 1640 | } |
| 1641 | |
| 1642 | string_field->parent.payload_set = 1; |
| 1643 | |
| 1644 | end: |
| 1645 | return ret; |
| 1646 | } |
| 1647 | |
| 1648 | BT_HIDDEN |
| 1649 | int bt_ctf_field_validate(struct bt_ctf_field *field) |
| 1650 | { |
| 1651 | int ret = 0; |
| 1652 | enum bt_ctf_field_type_id type_id; |
| 1653 | |
| 1654 | if (!field) { |
| 1655 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 1656 | ret = -1; |
| 1657 | goto end; |
| 1658 | } |
| 1659 | |
| 1660 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1661 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1662 | BT_LOGW("Invalid parameter: unknown field type ID: " |
| 1663 | "addr=%p, ft-addr=%p, ft-id=%d", |
| 1664 | field, field->type, type_id); |
| 1665 | ret = -1; |
| 1666 | goto end; |
| 1667 | } |
| 1668 | |
| 1669 | ret = field_validate_funcs[type_id](field); |
| 1670 | end: |
| 1671 | return ret; |
| 1672 | } |
| 1673 | |
| 1674 | BT_HIDDEN |
| 1675 | int bt_ctf_field_reset(struct bt_ctf_field *field) |
| 1676 | { |
| 1677 | int ret = 0; |
| 1678 | enum bt_ctf_field_type_id type_id; |
| 1679 | |
| 1680 | if (!field) { |
| 1681 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 1682 | ret = -1; |
| 1683 | goto end; |
| 1684 | } |
| 1685 | |
| 1686 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1687 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1688 | BT_LOGW("Invalid parameter: unknown field type ID: " |
| 1689 | "addr=%p, ft-addr=%p, ft-id=%d", |
| 1690 | field, field->type, type_id); |
| 1691 | ret = -1; |
| 1692 | goto end; |
| 1693 | } |
| 1694 | |
| 1695 | ret = field_reset_funcs[type_id](field); |
| 1696 | end: |
| 1697 | return ret; |
| 1698 | } |
| 1699 | |
| 1700 | BT_HIDDEN |
| 1701 | int bt_ctf_field_serialize(struct bt_ctf_field *field, |
| 1702 | struct bt_ctf_stream_pos *pos, |
| 1703 | enum bt_ctf_byte_order native_byte_order) |
| 1704 | { |
| 1705 | int ret = 0; |
| 1706 | enum bt_ctf_field_type_id type_id; |
| 1707 | |
| 1708 | assert(pos); |
| 1709 | |
| 1710 | if (!field) { |
| 1711 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 1712 | ret = -1; |
| 1713 | goto end; |
| 1714 | } |
| 1715 | |
| 1716 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1717 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1718 | BT_LOGW("Invalid parameter: unknown field type ID: " |
| 1719 | "addr=%p, ft-addr=%p, ft-id=%d", |
| 1720 | field, field->type, type_id); |
| 1721 | ret = -1; |
| 1722 | goto end; |
| 1723 | } |
| 1724 | |
| 1725 | ret = field_serialize_funcs[type_id](field, pos, native_byte_order); |
| 1726 | end: |
| 1727 | return ret; |
| 1728 | } |
| 1729 | |
| 1730 | |
| 1731 | BT_HIDDEN |
| 1732 | bt_bool bt_ctf_field_is_set(struct bt_ctf_field *field) |
| 1733 | { |
| 1734 | bt_bool is_set = BT_FALSE; |
| 1735 | enum bt_ctf_field_type_id type_id; |
| 1736 | |
| 1737 | if (!field) { |
| 1738 | goto end; |
| 1739 | } |
| 1740 | |
| 1741 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1742 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1743 | BT_LOGW("Invalid parameter: unknown field type ID: " |
| 1744 | "field-addr=%p, ft-addr=%p, ft-id=%d", |
| 1745 | field, field->type, type_id); |
| 1746 | goto end; |
| 1747 | } |
| 1748 | |
| 1749 | is_set = field_is_set_funcs[type_id](field); |
| 1750 | end: |
| 1751 | return is_set; |
| 1752 | } |
| 1753 | |
| 1754 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
| 1755 | { |
| 1756 | int ret; |
| 1757 | struct bt_ctf_field *copy = NULL; |
| 1758 | enum bt_ctf_field_type_id type_id; |
| 1759 | |
| 1760 | if (!field) { |
| 1761 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
| 1762 | goto end; |
| 1763 | } |
| 1764 | |
| 1765 | type_id = bt_ctf_field_type_get_type_id(field->type); |
| 1766 | if (type_id <= BT_CTF_FIELD_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
| 1767 | BT_LOGW("Invalid parameter: unknown field type ID: " |
| 1768 | "field-addr=%p, ft-addr=%p, ft-id=%d", |
| 1769 | field, field->type, type_id); |
| 1770 | goto end; |
| 1771 | } |
| 1772 | |
| 1773 | copy = bt_ctf_field_create(field->type); |
| 1774 | if (!copy) { |
| 1775 | BT_LOGW("Cannot create field: ft-addr=%p", field->type); |
| 1776 | goto end; |
| 1777 | } |
| 1778 | |
| 1779 | copy->payload_set = field->payload_set; |
| 1780 | ret = field_copy_funcs[type_id](field, copy); |
| 1781 | if (ret) { |
| 1782 | bt_put(copy); |
| 1783 | copy = NULL; |
| 1784 | } |
| 1785 | end: |
| 1786 | return copy; |
| 1787 | } |
| 1788 | |
| 1789 | static |
| 1790 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) |
| 1791 | { |
| 1792 | struct bt_ctf_field_integer *integer = g_new0( |
| 1793 | struct bt_ctf_field_integer, 1); |
| 1794 | |
| 1795 | BT_LOGD("Creating integer field object: ft-addr=%p", type); |
| 1796 | |
| 1797 | if (integer) { |
| 1798 | BT_LOGD("Created integer field object: addr=%p, ft-addr=%p", |
| 1799 | &integer->parent, type); |
| 1800 | } else { |
| 1801 | BT_LOGE_STR("Failed to allocate one integer field."); |
| 1802 | } |
| 1803 | |
| 1804 | return integer ? &integer->parent : NULL; |
| 1805 | } |
| 1806 | |
| 1807 | static |
| 1808 | struct bt_ctf_field *bt_ctf_field_enumeration_create( |
| 1809 | struct bt_ctf_field_type *type) |
| 1810 | { |
| 1811 | struct bt_ctf_field_enumeration *enumeration = g_new0( |
| 1812 | struct bt_ctf_field_enumeration, 1); |
| 1813 | |
| 1814 | BT_LOGD("Creating enumeration field object: ft-addr=%p", type); |
| 1815 | |
| 1816 | if (enumeration) { |
| 1817 | BT_LOGD("Created enumeration field object: addr=%p, ft-addr=%p", |
| 1818 | &enumeration->parent, type); |
| 1819 | } else { |
| 1820 | BT_LOGE_STR("Failed to allocate one enumeration field."); |
| 1821 | } |
| 1822 | |
| 1823 | return enumeration ? &enumeration->parent : NULL; |
| 1824 | } |
| 1825 | |
| 1826 | static |
| 1827 | struct bt_ctf_field *bt_ctf_field_floating_point_create( |
| 1828 | struct bt_ctf_field_type *type) |
| 1829 | { |
| 1830 | struct bt_ctf_field_floating_point *floating_point; |
| 1831 | |
| 1832 | BT_LOGD("Creating floating point number field object: ft-addr=%p", type); |
| 1833 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); |
| 1834 | |
| 1835 | if (floating_point) { |
| 1836 | BT_LOGD("Created floating point number field object: addr=%p, ft-addr=%p", |
| 1837 | &floating_point->parent, type); |
| 1838 | } else { |
| 1839 | BT_LOGE_STR("Failed to allocate one floating point number field."); |
| 1840 | } |
| 1841 | |
| 1842 | return floating_point ? &floating_point->parent : NULL; |
| 1843 | } |
| 1844 | |
| 1845 | static |
| 1846 | struct bt_ctf_field *bt_ctf_field_structure_create( |
| 1847 | struct bt_ctf_field_type *type) |
| 1848 | { |
| 1849 | struct bt_ctf_field_type_structure *structure_type = container_of(type, |
| 1850 | struct bt_ctf_field_type_structure, parent); |
| 1851 | struct bt_ctf_field_structure *structure = g_new0( |
| 1852 | struct bt_ctf_field_structure, 1); |
| 1853 | struct bt_ctf_field *field = NULL; |
| 1854 | |
| 1855 | BT_LOGD("Creating structure field object: ft-addr=%p", type); |
| 1856 | |
| 1857 | if (!structure) { |
| 1858 | BT_LOGE_STR("Failed to allocate one structure field."); |
| 1859 | goto end; |
| 1860 | } |
| 1861 | |
| 1862 | structure->field_name_to_index = structure_type->field_name_to_index; |
| 1863 | structure->fields = g_ptr_array_new_with_free_func( |
| 1864 | (GDestroyNotify)bt_ctf_field_put); |
| 1865 | g_ptr_array_set_size(structure->fields, |
| 1866 | g_hash_table_size(structure->field_name_to_index)); |
| 1867 | field = &structure->parent; |
| 1868 | BT_LOGD("Created structure field object: addr=%p, ft-addr=%p", |
| 1869 | field, type); |
| 1870 | end: |
| 1871 | return field; |
| 1872 | } |
| 1873 | |
| 1874 | static |
| 1875 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) |
| 1876 | { |
| 1877 | struct bt_ctf_field_variant *variant = g_new0( |
| 1878 | struct bt_ctf_field_variant, 1); |
| 1879 | |
| 1880 | BT_LOGD("Creating variant field object: ft-addr=%p", type); |
| 1881 | |
| 1882 | if (variant) { |
| 1883 | BT_LOGD("Created variant field object: addr=%p, ft-addr=%p", |
| 1884 | &variant->parent, type); |
| 1885 | } else { |
| 1886 | BT_LOGE_STR("Failed to allocate one variant field."); |
| 1887 | } |
| 1888 | |
| 1889 | return variant ? &variant->parent : NULL; |
| 1890 | } |
| 1891 | |
| 1892 | static |
| 1893 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) |
| 1894 | { |
| 1895 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); |
| 1896 | struct bt_ctf_field_type_array *array_type; |
| 1897 | unsigned int array_length; |
| 1898 | |
| 1899 | BT_LOGD("Creating array field object: ft-addr=%p", type); |
| 1900 | assert(type); |
| 1901 | |
| 1902 | if (!array) { |
| 1903 | BT_LOGE_STR("Failed to allocate one array field."); |
| 1904 | goto error; |
| 1905 | } |
| 1906 | |
| 1907 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); |
| 1908 | array_length = array_type->length; |
| 1909 | array->elements = g_ptr_array_sized_new(array_length); |
| 1910 | if (!array->elements) { |
| 1911 | goto error; |
| 1912 | } |
| 1913 | |
| 1914 | g_ptr_array_set_free_func(array->elements, |
| 1915 | (GDestroyNotify)bt_ctf_field_put); |
| 1916 | g_ptr_array_set_size(array->elements, array_length); |
| 1917 | BT_LOGD("Created array field object: addr=%p, ft-addr=%p", |
| 1918 | &array->parent, type); |
| 1919 | return &array->parent; |
| 1920 | error: |
| 1921 | g_free(array); |
| 1922 | return NULL; |
| 1923 | } |
| 1924 | |
| 1925 | static |
| 1926 | struct bt_ctf_field *bt_ctf_field_sequence_create( |
| 1927 | struct bt_ctf_field_type *type) |
| 1928 | { |
| 1929 | struct bt_ctf_field_sequence *sequence = g_new0( |
| 1930 | struct bt_ctf_field_sequence, 1); |
| 1931 | |
| 1932 | BT_LOGD("Creating sequence field object: ft-addr=%p", type); |
| 1933 | |
| 1934 | if (sequence) { |
| 1935 | BT_LOGD("Created sequence field object: addr=%p, ft-addr=%p", |
| 1936 | &sequence->parent, type); |
| 1937 | } else { |
| 1938 | BT_LOGE_STR("Failed to allocate one sequence field."); |
| 1939 | } |
| 1940 | |
| 1941 | return sequence ? &sequence->parent : NULL; |
| 1942 | } |
| 1943 | |
| 1944 | static |
| 1945 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) |
| 1946 | { |
| 1947 | struct bt_ctf_field_string *string = g_new0( |
| 1948 | struct bt_ctf_field_string, 1); |
| 1949 | |
| 1950 | BT_LOGD("Creating string field object: ft-addr=%p", type); |
| 1951 | |
| 1952 | if (string) { |
| 1953 | BT_LOGD("Created string field object: addr=%p, ft-addr=%p", |
| 1954 | &string->parent, type); |
| 1955 | } else { |
| 1956 | BT_LOGE_STR("Failed to allocate one string field."); |
| 1957 | } |
| 1958 | |
| 1959 | return string ? &string->parent : NULL; |
| 1960 | } |
| 1961 | |
| 1962 | static |
| 1963 | void bt_ctf_field_destroy(struct bt_object *obj) |
| 1964 | { |
| 1965 | struct bt_ctf_field *field; |
| 1966 | struct bt_ctf_field_type *type; |
| 1967 | enum bt_ctf_field_type_id type_id; |
| 1968 | |
| 1969 | field = container_of(obj, struct bt_ctf_field, base); |
| 1970 | type = field->type; |
| 1971 | type_id = bt_ctf_field_type_get_type_id(type); |
| 1972 | assert(type_id > BT_CTF_FIELD_TYPE_ID_UNKNOWN && |
| 1973 | type_id < BT_CTF_NR_TYPE_IDS); |
| 1974 | field_destroy_funcs[type_id](field); |
| 1975 | BT_LOGD_STR("Putting field's type."); |
| 1976 | bt_put(type); |
| 1977 | } |
| 1978 | |
| 1979 | static |
| 1980 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) |
| 1981 | { |
| 1982 | struct bt_ctf_field_integer *integer; |
| 1983 | |
| 1984 | if (!field) { |
| 1985 | return; |
| 1986 | } |
| 1987 | |
| 1988 | BT_LOGD("Destroying integer field object: addr=%p", field); |
| 1989 | integer = container_of(field, struct bt_ctf_field_integer, parent); |
| 1990 | g_free(integer); |
| 1991 | } |
| 1992 | |
| 1993 | static |
| 1994 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) |
| 1995 | { |
| 1996 | struct bt_ctf_field_enumeration *enumeration; |
| 1997 | |
| 1998 | if (!field) { |
| 1999 | return; |
| 2000 | } |
| 2001 | |
| 2002 | BT_LOGD("Destroying enumeration field object: addr=%p", field); |
| 2003 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 2004 | parent); |
| 2005 | BT_LOGD_STR("Putting payload field."); |
| 2006 | bt_put(enumeration->payload); |
| 2007 | g_free(enumeration); |
| 2008 | } |
| 2009 | |
| 2010 | static |
| 2011 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) |
| 2012 | { |
| 2013 | struct bt_ctf_field_floating_point *floating_point; |
| 2014 | |
| 2015 | if (!field) { |
| 2016 | return; |
| 2017 | } |
| 2018 | |
| 2019 | BT_LOGD("Destroying floating point number field object: addr=%p", field); |
| 2020 | floating_point = container_of(field, struct bt_ctf_field_floating_point, |
| 2021 | parent); |
| 2022 | g_free(floating_point); |
| 2023 | } |
| 2024 | |
| 2025 | static |
| 2026 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) |
| 2027 | { |
| 2028 | struct bt_ctf_field_structure *structure; |
| 2029 | |
| 2030 | if (!field) { |
| 2031 | return; |
| 2032 | } |
| 2033 | |
| 2034 | BT_LOGD("Destroying structure field object: addr=%p", field); |
| 2035 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 2036 | g_ptr_array_free(structure->fields, TRUE); |
| 2037 | g_free(structure); |
| 2038 | } |
| 2039 | |
| 2040 | static |
| 2041 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) |
| 2042 | { |
| 2043 | struct bt_ctf_field_variant *variant; |
| 2044 | |
| 2045 | if (!field) { |
| 2046 | return; |
| 2047 | } |
| 2048 | |
| 2049 | BT_LOGD("Destroying variant field object: addr=%p", field); |
| 2050 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 2051 | BT_LOGD_STR("Putting tag field."); |
| 2052 | bt_put(variant->tag); |
| 2053 | BT_LOGD_STR("Putting payload field."); |
| 2054 | bt_put(variant->payload); |
| 2055 | g_free(variant); |
| 2056 | } |
| 2057 | |
| 2058 | static |
| 2059 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) |
| 2060 | { |
| 2061 | struct bt_ctf_field_array *array; |
| 2062 | |
| 2063 | if (!field) { |
| 2064 | return; |
| 2065 | } |
| 2066 | |
| 2067 | BT_LOGD("Destroying array field object: addr=%p", field); |
| 2068 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 2069 | g_ptr_array_free(array->elements, TRUE); |
| 2070 | g_free(array); |
| 2071 | } |
| 2072 | |
| 2073 | static |
| 2074 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) |
| 2075 | { |
| 2076 | struct bt_ctf_field_sequence *sequence; |
| 2077 | |
| 2078 | if (!field) { |
| 2079 | return; |
| 2080 | } |
| 2081 | |
| 2082 | BT_LOGD("Destroying sequence field object: addr=%p", field); |
| 2083 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 2084 | if (sequence->elements) { |
| 2085 | g_ptr_array_free(sequence->elements, TRUE); |
| 2086 | } |
| 2087 | BT_LOGD_STR("Putting length field."); |
| 2088 | bt_put(sequence->length); |
| 2089 | g_free(sequence); |
| 2090 | } |
| 2091 | |
| 2092 | static |
| 2093 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) |
| 2094 | { |
| 2095 | struct bt_ctf_field_string *string; |
| 2096 | |
| 2097 | if (!field) { |
| 2098 | return; |
| 2099 | } |
| 2100 | |
| 2101 | BT_LOGD("Destroying string field object: addr=%p", field); |
| 2102 | string = container_of(field, struct bt_ctf_field_string, parent); |
| 2103 | if (string->payload) { |
| 2104 | g_string_free(string->payload, TRUE); |
| 2105 | } |
| 2106 | g_free(string); |
| 2107 | } |
| 2108 | |
| 2109 | static |
| 2110 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) |
| 2111 | { |
| 2112 | return (field && field->payload_set) ? 0 : -1; |
| 2113 | } |
| 2114 | |
| 2115 | static |
| 2116 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) |
| 2117 | { |
| 2118 | int ret; |
| 2119 | struct bt_ctf_field_enumeration *enumeration; |
| 2120 | |
| 2121 | if (!field) { |
| 2122 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2123 | ret = -1; |
| 2124 | goto end; |
| 2125 | } |
| 2126 | |
| 2127 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 2128 | parent); |
| 2129 | if (!enumeration->payload) { |
| 2130 | BT_LOGW("Invalid enumeration field: payload is not set: " |
| 2131 | "addr=%p", field); |
| 2132 | ret = -1; |
| 2133 | goto end; |
| 2134 | } |
| 2135 | |
| 2136 | ret = bt_ctf_field_validate(enumeration->payload); |
| 2137 | end: |
| 2138 | return ret; |
| 2139 | } |
| 2140 | |
| 2141 | static |
| 2142 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) |
| 2143 | { |
| 2144 | int64_t i; |
| 2145 | int ret = 0; |
| 2146 | struct bt_ctf_field_structure *structure; |
| 2147 | |
| 2148 | if (!field) { |
| 2149 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2150 | ret = -1; |
| 2151 | goto end; |
| 2152 | } |
| 2153 | |
| 2154 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 2155 | for (i = 0; i < structure->fields->len; i++) { |
| 2156 | struct bt_ctf_field *entry_field = structure->fields->pdata[i]; |
| 2157 | ret = bt_ctf_field_validate(entry_field); |
| 2158 | |
| 2159 | if (ret) { |
| 2160 | int this_ret; |
| 2161 | const char *name; |
| 2162 | struct bt_ctf_field_type *field_type = |
| 2163 | bt_ctf_field_get_type(field); |
| 2164 | |
| 2165 | this_ret = bt_ctf_field_type_structure_get_field( |
| 2166 | field_type, &name, NULL, i); |
| 2167 | assert(this_ret == 0); |
| 2168 | BT_LOGW("Invalid structure field's field: " |
| 2169 | "struct-field-addr=%p, field-addr=%p, " |
| 2170 | "field-name=\"%s\", index=%" PRId64, |
| 2171 | field, entry_field, name, i); |
| 2172 | bt_put(field_type); |
| 2173 | goto end; |
| 2174 | } |
| 2175 | } |
| 2176 | end: |
| 2177 | return ret; |
| 2178 | } |
| 2179 | |
| 2180 | static |
| 2181 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) |
| 2182 | { |
| 2183 | int ret = 0; |
| 2184 | struct bt_ctf_field_variant *variant; |
| 2185 | |
| 2186 | if (!field) { |
| 2187 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2188 | ret = -1; |
| 2189 | goto end; |
| 2190 | } |
| 2191 | |
| 2192 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 2193 | ret = bt_ctf_field_validate(variant->payload); |
| 2194 | if (ret) { |
| 2195 | BT_LOGW("Invalid variant field's payload field: " |
| 2196 | "variant-field-addr=%p, variant-payload-field-addr=%p", |
| 2197 | field, variant->payload); |
| 2198 | } |
| 2199 | end: |
| 2200 | return ret; |
| 2201 | } |
| 2202 | |
| 2203 | static |
| 2204 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) |
| 2205 | { |
| 2206 | int64_t i; |
| 2207 | int ret = 0; |
| 2208 | struct bt_ctf_field_array *array; |
| 2209 | |
| 2210 | if (!field) { |
| 2211 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2212 | ret = -1; |
| 2213 | goto end; |
| 2214 | } |
| 2215 | |
| 2216 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 2217 | for (i = 0; i < array->elements->len; i++) { |
| 2218 | struct bt_ctf_field *elem_field = array->elements->pdata[i]; |
| 2219 | |
| 2220 | ret = bt_ctf_field_validate(elem_field); |
| 2221 | if (ret) { |
| 2222 | BT_LOGW("Invalid array field's element field: " |
| 2223 | "array-field-addr=%p, field-addr=%p, " |
| 2224 | "index=%" PRId64, field, elem_field, i); |
| 2225 | goto end; |
| 2226 | } |
| 2227 | } |
| 2228 | end: |
| 2229 | return ret; |
| 2230 | } |
| 2231 | |
| 2232 | static |
| 2233 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) |
| 2234 | { |
| 2235 | size_t i; |
| 2236 | int ret = 0; |
| 2237 | struct bt_ctf_field_sequence *sequence; |
| 2238 | |
| 2239 | if (!field) { |
| 2240 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2241 | ret = -1; |
| 2242 | goto end; |
| 2243 | } |
| 2244 | |
| 2245 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 2246 | for (i = 0; i < sequence->elements->len; i++) { |
| 2247 | struct bt_ctf_field *elem_field = sequence->elements->pdata[i]; |
| 2248 | |
| 2249 | ret = bt_ctf_field_validate(elem_field); |
| 2250 | if (ret) { |
| 2251 | BT_LOGW("Invalid sequence field's element field: " |
| 2252 | "sequence-field-addr=%p, field-addr=%p, " |
| 2253 | "index=%zu", field, elem_field, i); |
| 2254 | goto end; |
| 2255 | } |
| 2256 | } |
| 2257 | end: |
| 2258 | return ret; |
| 2259 | } |
| 2260 | |
| 2261 | static |
| 2262 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) |
| 2263 | { |
| 2264 | int ret = 0; |
| 2265 | |
| 2266 | if (!field) { |
| 2267 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2268 | ret = -1; |
| 2269 | goto end; |
| 2270 | } |
| 2271 | |
| 2272 | field->payload_set = 0; |
| 2273 | end: |
| 2274 | return ret; |
| 2275 | } |
| 2276 | |
| 2277 | static |
| 2278 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) |
| 2279 | { |
| 2280 | int ret = 0; |
| 2281 | struct bt_ctf_field_enumeration *enumeration; |
| 2282 | |
| 2283 | if (!field) { |
| 2284 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2285 | ret = -1; |
| 2286 | goto end; |
| 2287 | } |
| 2288 | |
| 2289 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 2290 | parent); |
| 2291 | if (!enumeration->payload) { |
| 2292 | goto end; |
| 2293 | } |
| 2294 | |
| 2295 | ret = bt_ctf_field_reset(enumeration->payload); |
| 2296 | end: |
| 2297 | return ret; |
| 2298 | } |
| 2299 | |
| 2300 | static |
| 2301 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) |
| 2302 | { |
| 2303 | int64_t i; |
| 2304 | int ret = 0; |
| 2305 | struct bt_ctf_field_structure *structure; |
| 2306 | |
| 2307 | if (!field) { |
| 2308 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2309 | ret = -1; |
| 2310 | goto end; |
| 2311 | } |
| 2312 | |
| 2313 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 2314 | for (i = 0; i < structure->fields->len; i++) { |
| 2315 | struct bt_ctf_field *member = structure->fields->pdata[i]; |
| 2316 | |
| 2317 | if (!member) { |
| 2318 | /* |
| 2319 | * Structure members are lazily initialized; skip if |
| 2320 | * this member has not been allocated yet. |
| 2321 | */ |
| 2322 | continue; |
| 2323 | } |
| 2324 | |
| 2325 | ret = bt_ctf_field_reset(member); |
| 2326 | if (ret) { |
| 2327 | BT_LOGE("Failed to reset structure field's field: " |
| 2328 | "struct-field-addr=%p, field-addr=%p, " |
| 2329 | "index=%" PRId64, field, member, i); |
| 2330 | goto end; |
| 2331 | } |
| 2332 | } |
| 2333 | end: |
| 2334 | return ret; |
| 2335 | } |
| 2336 | |
| 2337 | static |
| 2338 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) |
| 2339 | { |
| 2340 | int ret = 0; |
| 2341 | struct bt_ctf_field_variant *variant; |
| 2342 | |
| 2343 | if (!field) { |
| 2344 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2345 | ret = -1; |
| 2346 | goto end; |
| 2347 | } |
| 2348 | |
| 2349 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 2350 | if (variant->payload) { |
| 2351 | ret = bt_ctf_field_reset(variant->payload); |
| 2352 | if (ret) { |
| 2353 | BT_LOGW("Failed to reset variant field's payload field: " |
| 2354 | "variant-field-addr=%p, payload-field-addr=%p", |
| 2355 | field, variant->payload); |
| 2356 | } |
| 2357 | } |
| 2358 | end: |
| 2359 | return ret; |
| 2360 | } |
| 2361 | |
| 2362 | static |
| 2363 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) |
| 2364 | { |
| 2365 | size_t i; |
| 2366 | int ret = 0; |
| 2367 | struct bt_ctf_field_array *array; |
| 2368 | |
| 2369 | if (!field) { |
| 2370 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2371 | ret = -1; |
| 2372 | goto end; |
| 2373 | } |
| 2374 | |
| 2375 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 2376 | for (i = 0; i < array->elements->len; i++) { |
| 2377 | struct bt_ctf_field *member = array->elements->pdata[i]; |
| 2378 | |
| 2379 | if (!member) { |
| 2380 | /* |
| 2381 | * Array elements are lazily initialized; skip if |
| 2382 | * this member has not been allocated yet. |
| 2383 | */ |
| 2384 | continue; |
| 2385 | } |
| 2386 | |
| 2387 | ret = bt_ctf_field_reset(member); |
| 2388 | if (ret) { |
| 2389 | BT_LOGE("Failed to reset array field's field: " |
| 2390 | "array-field-addr=%p, field-addr=%p, " |
| 2391 | "index=%zu", field, member, i); |
| 2392 | goto end; |
| 2393 | } |
| 2394 | } |
| 2395 | end: |
| 2396 | return ret; |
| 2397 | } |
| 2398 | |
| 2399 | static |
| 2400 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) |
| 2401 | { |
| 2402 | size_t i; |
| 2403 | int ret = 0; |
| 2404 | struct bt_ctf_field_sequence *sequence; |
| 2405 | |
| 2406 | if (!field) { |
| 2407 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2408 | ret = -1; |
| 2409 | goto end; |
| 2410 | } |
| 2411 | |
| 2412 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 2413 | for (i = 0; i < sequence->elements->len; i++) { |
| 2414 | struct bt_ctf_field *member = sequence->elements->pdata[i]; |
| 2415 | |
| 2416 | if (!member) { |
| 2417 | /* |
| 2418 | * Sequence elements are lazily initialized; skip if |
| 2419 | * this member has not been allocated yet. |
| 2420 | */ |
| 2421 | continue; |
| 2422 | } |
| 2423 | |
| 2424 | ret = bt_ctf_field_reset(member); |
| 2425 | if (ret) { |
| 2426 | BT_LOGE("Failed to reset sequence field's field: " |
| 2427 | "sequence-field-addr=%p, field-addr=%p, " |
| 2428 | "index=%zu", field, member, i); |
| 2429 | goto end; |
| 2430 | } |
| 2431 | } |
| 2432 | end: |
| 2433 | return ret; |
| 2434 | } |
| 2435 | |
| 2436 | static |
| 2437 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) |
| 2438 | { |
| 2439 | int ret = 0; |
| 2440 | struct bt_ctf_field_string *string; |
| 2441 | |
| 2442 | if (!field) { |
| 2443 | BT_LOGD_STR("Invalid parameter: field is NULL."); |
| 2444 | ret = -1; |
| 2445 | goto end; |
| 2446 | } |
| 2447 | |
| 2448 | ret = bt_ctf_field_generic_reset(field); |
| 2449 | if (ret) { |
| 2450 | goto end; |
| 2451 | } |
| 2452 | |
| 2453 | string = container_of(field, struct bt_ctf_field_string, parent); |
| 2454 | if (string->payload) { |
| 2455 | g_string_truncate(string->payload, 0); |
| 2456 | } |
| 2457 | end: |
| 2458 | return ret; |
| 2459 | } |
| 2460 | |
| 2461 | static |
| 2462 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, |
| 2463 | struct bt_ctf_stream_pos *pos, |
| 2464 | enum bt_ctf_byte_order native_byte_order) |
| 2465 | { |
| 2466 | int ret = 0; |
| 2467 | struct bt_ctf_field_integer *integer = container_of(field, |
| 2468 | struct bt_ctf_field_integer, parent); |
| 2469 | |
| 2470 | BT_LOGV("Serializing integer field: addr=%p, pos-offset=%" PRId64 ", " |
| 2471 | "native-bo=%s", field, pos->offset, |
| 2472 | bt_ctf_byte_order_string(native_byte_order)); |
| 2473 | |
| 2474 | if (!bt_ctf_field_generic_is_set(field)) { |
| 2475 | BT_LOGW_STR("Field's payload is not set."); |
| 2476 | ret = -1; |
| 2477 | goto end; |
| 2478 | } |
| 2479 | retry: |
| 2480 | ret = bt_ctf_field_integer_write(integer, pos, native_byte_order); |
| 2481 | if (ret == -EFAULT) { |
| 2482 | /* |
| 2483 | * The field is too large to fit in the current packet's |
| 2484 | * remaining space. Bump the packet size and retry. |
| 2485 | */ |
| 2486 | ret = increase_packet_size(pos); |
| 2487 | if (ret) { |
| 2488 | BT_LOGE("Cannot increase packet size: ret=%d", ret); |
| 2489 | goto end; |
| 2490 | } |
| 2491 | goto retry; |
| 2492 | } |
| 2493 | end: |
| 2494 | return ret; |
| 2495 | } |
| 2496 | |
| 2497 | static |
| 2498 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, |
| 2499 | struct bt_ctf_stream_pos *pos, |
| 2500 | enum bt_ctf_byte_order native_byte_order) |
| 2501 | { |
| 2502 | struct bt_ctf_field_enumeration *enumeration = container_of( |
| 2503 | field, struct bt_ctf_field_enumeration, parent); |
| 2504 | |
| 2505 | BT_LOGV("Serializing enumeration field: addr=%p, pos-offset=%" PRId64 ", " |
| 2506 | "native-bo=%s", field, pos->offset, |
| 2507 | bt_ctf_byte_order_string(native_byte_order)); |
| 2508 | BT_LOGV_STR("Serializing enumeration field's payload field."); |
| 2509 | return bt_ctf_field_serialize(enumeration->payload, pos, |
| 2510 | native_byte_order); |
| 2511 | } |
| 2512 | |
| 2513 | static |
| 2514 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, |
| 2515 | struct bt_ctf_stream_pos *pos, |
| 2516 | enum bt_ctf_byte_order native_byte_order) |
| 2517 | { |
| 2518 | int ret = 0; |
| 2519 | struct bt_ctf_field_floating_point *floating_point = container_of(field, |
| 2520 | struct bt_ctf_field_floating_point, parent); |
| 2521 | |
| 2522 | BT_LOGV("Serializing floating point number field: addr=%p, pos-offset=%" PRId64 ", " |
| 2523 | "native-bo=%s", field, pos->offset, |
| 2524 | bt_ctf_byte_order_string(native_byte_order)); |
| 2525 | |
| 2526 | if (!bt_ctf_field_generic_is_set(field)) { |
| 2527 | BT_LOGW_STR("Field's payload is not set."); |
| 2528 | ret = -1; |
| 2529 | goto end; |
| 2530 | } |
| 2531 | retry: |
| 2532 | ret = bt_ctf_field_floating_point_write(floating_point, pos, |
| 2533 | native_byte_order); |
| 2534 | if (ret == -EFAULT) { |
| 2535 | /* |
| 2536 | * The field is too large to fit in the current packet's |
| 2537 | * remaining space. Bump the packet size and retry. |
| 2538 | */ |
| 2539 | ret = increase_packet_size(pos); |
| 2540 | if (ret) { |
| 2541 | BT_LOGE("Cannot increase packet size: ret=%d", ret); |
| 2542 | goto end; |
| 2543 | } |
| 2544 | goto retry; |
| 2545 | } |
| 2546 | end: |
| 2547 | return ret; |
| 2548 | } |
| 2549 | |
| 2550 | static |
| 2551 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, |
| 2552 | struct bt_ctf_stream_pos *pos, |
| 2553 | enum bt_ctf_byte_order native_byte_order) |
| 2554 | { |
| 2555 | int64_t i; |
| 2556 | int ret = 0; |
| 2557 | struct bt_ctf_field_structure *structure = container_of( |
| 2558 | field, struct bt_ctf_field_structure, parent); |
| 2559 | |
| 2560 | BT_LOGV("Serializing structure field: addr=%p, pos-offset=%" PRId64 ", " |
| 2561 | "native-bo=%s", field, pos->offset, |
| 2562 | bt_ctf_byte_order_string(native_byte_order)); |
| 2563 | |
| 2564 | while (!bt_ctf_stream_pos_access_ok(pos, |
| 2565 | offset_align(pos->offset, field->type->alignment))) { |
| 2566 | ret = increase_packet_size(pos); |
| 2567 | if (ret) { |
| 2568 | BT_LOGE("Cannot increase packet size: ret=%d", ret); |
| 2569 | goto end; |
| 2570 | } |
| 2571 | } |
| 2572 | |
| 2573 | if (!bt_ctf_stream_pos_align(pos, field->type->alignment)) { |
| 2574 | BT_LOGE("Cannot align packet's position: pos-offset=%" PRId64 ", " |
| 2575 | "align=%u", pos->offset, field->type->alignment); |
| 2576 | ret = -1; |
| 2577 | goto end; |
| 2578 | } |
| 2579 | |
| 2580 | for (i = 0; i < structure->fields->len; i++) { |
| 2581 | struct bt_ctf_field *member = g_ptr_array_index( |
| 2582 | structure->fields, i); |
| 2583 | const char *field_name = NULL; |
| 2584 | |
| 2585 | if (BT_LOG_ON_WARN) { |
| 2586 | ret = bt_ctf_field_type_structure_get_field( |
| 2587 | field->type, &field_name, NULL, i); |
| 2588 | assert(ret == 0); |
| 2589 | } |
| 2590 | |
| 2591 | BT_LOGV("Serializing structure field's field: pos-offset=%" PRId64 ", " |
| 2592 | "field-addr=%p, index=%" PRId64, |
| 2593 | pos->offset, member, i); |
| 2594 | |
| 2595 | if (!member) { |
| 2596 | BT_LOGW("Cannot serialize structure field's field: field is not set: " |
| 2597 | "struct-field-addr=%p, " |
| 2598 | "field-name=\"%s\", index=%" PRId64, |
| 2599 | field, field_name, i); |
| 2600 | ret = -1; |
| 2601 | goto end; |
| 2602 | } |
| 2603 | |
| 2604 | ret = bt_ctf_field_serialize(member, pos, native_byte_order); |
| 2605 | if (ret) { |
| 2606 | BT_LOGW("Cannot serialize structure field's field: " |
| 2607 | "struct-field-addr=%p, field-addr=%p, " |
| 2608 | "field-name=\"%s\", index=%" PRId64, |
| 2609 | field->type, member, field_name, i); |
| 2610 | break; |
| 2611 | } |
| 2612 | } |
| 2613 | end: |
| 2614 | return ret; |
| 2615 | } |
| 2616 | |
| 2617 | static |
| 2618 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, |
| 2619 | struct bt_ctf_stream_pos *pos, |
| 2620 | enum bt_ctf_byte_order native_byte_order) |
| 2621 | { |
| 2622 | struct bt_ctf_field_variant *variant = container_of( |
| 2623 | field, struct bt_ctf_field_variant, parent); |
| 2624 | |
| 2625 | BT_LOGV("Serializing variant field: addr=%p, pos-offset=%" PRId64 ", " |
| 2626 | "native-bo=%s", field, pos->offset, |
| 2627 | bt_ctf_byte_order_string(native_byte_order)); |
| 2628 | BT_LOGV_STR("Serializing variant field's payload field."); |
| 2629 | return bt_ctf_field_serialize(variant->payload, pos, |
| 2630 | native_byte_order); |
| 2631 | } |
| 2632 | |
| 2633 | static |
| 2634 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, |
| 2635 | struct bt_ctf_stream_pos *pos, |
| 2636 | enum bt_ctf_byte_order native_byte_order) |
| 2637 | { |
| 2638 | int64_t i; |
| 2639 | int ret = 0; |
| 2640 | struct bt_ctf_field_array *array = container_of( |
| 2641 | field, struct bt_ctf_field_array, parent); |
| 2642 | |
| 2643 | BT_LOGV("Serializing array field: addr=%p, pos-offset=%" PRId64 ", " |
| 2644 | "native-bo=%s", field, pos->offset, |
| 2645 | bt_ctf_byte_order_string(native_byte_order)); |
| 2646 | |
| 2647 | for (i = 0; i < array->elements->len; i++) { |
| 2648 | struct bt_ctf_field *elem_field = |
| 2649 | g_ptr_array_index(array->elements, i); |
| 2650 | |
| 2651 | BT_LOGV("Serializing array field's element field: " |
| 2652 | "pos-offset=%" PRId64 ", field-addr=%p, index=%" PRId64, |
| 2653 | pos->offset, elem_field, i); |
| 2654 | ret = bt_ctf_field_serialize(elem_field, pos, |
| 2655 | native_byte_order); |
| 2656 | if (ret) { |
| 2657 | BT_LOGW("Cannot serialize array field's element field: " |
| 2658 | "array-field-addr=%p, field-addr=%p, " |
| 2659 | "index=%" PRId64, field, elem_field, i); |
| 2660 | goto end; |
| 2661 | } |
| 2662 | } |
| 2663 | end: |
| 2664 | return ret; |
| 2665 | } |
| 2666 | |
| 2667 | static |
| 2668 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, |
| 2669 | struct bt_ctf_stream_pos *pos, |
| 2670 | enum bt_ctf_byte_order native_byte_order) |
| 2671 | { |
| 2672 | int64_t i; |
| 2673 | int ret = 0; |
| 2674 | struct bt_ctf_field_sequence *sequence = container_of( |
| 2675 | field, struct bt_ctf_field_sequence, parent); |
| 2676 | |
| 2677 | BT_LOGV("Serializing sequence field: addr=%p, pos-offset=%" PRId64 ", " |
| 2678 | "native-bo=%s", field, pos->offset, |
| 2679 | bt_ctf_byte_order_string(native_byte_order)); |
| 2680 | |
| 2681 | for (i = 0; i < sequence->elements->len; i++) { |
| 2682 | struct bt_ctf_field *elem_field = |
| 2683 | g_ptr_array_index(sequence->elements, i); |
| 2684 | |
| 2685 | BT_LOGV("Serializing sequence field's element field: " |
| 2686 | "pos-offset=%" PRId64 ", field-addr=%p, index=%" PRId64, |
| 2687 | pos->offset, elem_field, i); |
| 2688 | ret = bt_ctf_field_serialize(elem_field, pos, |
| 2689 | native_byte_order); |
| 2690 | if (ret) { |
| 2691 | BT_LOGW("Cannot serialize sequence field's element field: " |
| 2692 | "sequence-field-addr=%p, field-addr=%p, " |
| 2693 | "index=%" PRId64, field, elem_field, i); |
| 2694 | goto end; |
| 2695 | } |
| 2696 | } |
| 2697 | end: |
| 2698 | return ret; |
| 2699 | } |
| 2700 | |
| 2701 | static |
| 2702 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, |
| 2703 | struct bt_ctf_stream_pos *pos, |
| 2704 | enum bt_ctf_byte_order native_byte_order) |
| 2705 | { |
| 2706 | int64_t i; |
| 2707 | int ret = 0; |
| 2708 | struct bt_ctf_field_string *string = container_of(field, |
| 2709 | struct bt_ctf_field_string, parent); |
| 2710 | struct bt_ctf_field_type *character_type = |
| 2711 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); |
| 2712 | struct bt_ctf_field *character; |
| 2713 | |
| 2714 | BT_LOGV("Serializing string field: addr=%p, pos-offset=%" PRId64 ", " |
| 2715 | "native-bo=%s", field, pos->offset, |
| 2716 | bt_ctf_byte_order_string(native_byte_order)); |
| 2717 | |
| 2718 | BT_LOGV_STR("Creating character field from string field's character field type."); |
| 2719 | character = bt_ctf_field_create(character_type); |
| 2720 | |
| 2721 | for (i = 0; i < string->payload->len + 1; i++) { |
| 2722 | const uint64_t chr = (uint64_t) string->payload->str[i]; |
| 2723 | |
| 2724 | ret = bt_ctf_field_unsigned_integer_set_value(character, chr); |
| 2725 | if (ret) { |
| 2726 | BT_LOGW("Cannot set character field's value: " |
| 2727 | "pos-offset=%" PRId64 ", field-addr=%p, " |
| 2728 | "index=%" PRId64 ", char-int=%" PRIu64, |
| 2729 | pos->offset, character, i, chr); |
| 2730 | goto end; |
| 2731 | } |
| 2732 | |
| 2733 | BT_LOGV("Serializing string field's character field: " |
| 2734 | "pos-offset=%" PRId64 ", field-addr=%p, " |
| 2735 | "index=%" PRId64 ", char-int=%" PRIu64, |
| 2736 | pos->offset, character, i, chr); |
| 2737 | ret = bt_ctf_field_integer_serialize(character, pos, |
| 2738 | native_byte_order); |
| 2739 | if (ret) { |
| 2740 | BT_LOGW_STR("Cannot serialize character field."); |
| 2741 | goto end; |
| 2742 | } |
| 2743 | } |
| 2744 | end: |
| 2745 | bt_put(character); |
| 2746 | bt_put(character_type); |
| 2747 | return ret; |
| 2748 | } |
| 2749 | |
| 2750 | static |
| 2751 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, |
| 2752 | struct bt_ctf_field *dst) |
| 2753 | { |
| 2754 | struct bt_ctf_field_integer *integer_src, *integer_dst; |
| 2755 | |
| 2756 | BT_LOGD("Copying integer field: src-field-addr=%p, dst-field-addr=%p", |
| 2757 | src, dst); |
| 2758 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); |
| 2759 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
| 2760 | integer_dst->payload = integer_src->payload; |
| 2761 | BT_LOGD_STR("Copied integer field."); |
| 2762 | return 0; |
| 2763 | } |
| 2764 | |
| 2765 | static |
| 2766 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, |
| 2767 | struct bt_ctf_field *dst) |
| 2768 | { |
| 2769 | int ret = 0; |
| 2770 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; |
| 2771 | |
| 2772 | BT_LOGD("Copying enumeration field: src-field-addr=%p, dst-field-addr=%p", |
| 2773 | src, dst); |
| 2774 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); |
| 2775 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); |
| 2776 | |
| 2777 | if (enum_src->payload) { |
| 2778 | BT_LOGD_STR("Copying enumeration field's payload field."); |
| 2779 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); |
| 2780 | if (!enum_dst->payload) { |
| 2781 | BT_LOGE_STR("Cannot copy enumeration field's payload field."); |
| 2782 | ret = -1; |
| 2783 | goto end; |
| 2784 | } |
| 2785 | } |
| 2786 | |
| 2787 | BT_LOGD_STR("Copied enumeration field."); |
| 2788 | end: |
| 2789 | return ret; |
| 2790 | } |
| 2791 | |
| 2792 | static |
| 2793 | int bt_ctf_field_floating_point_copy( |
| 2794 | struct bt_ctf_field *src, struct bt_ctf_field *dst) |
| 2795 | { |
| 2796 | struct bt_ctf_field_floating_point *float_src, *float_dst; |
| 2797 | |
| 2798 | BT_LOGD("Copying floating point number field: src-field-addr=%p, dst-field-addr=%p", |
| 2799 | src, dst); |
| 2800 | float_src = container_of(src, struct bt_ctf_field_floating_point, |
| 2801 | parent); |
| 2802 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, |
| 2803 | parent); |
| 2804 | float_dst->payload = float_src->payload; |
| 2805 | BT_LOGD_STR("Copied floating point number field."); |
| 2806 | return 0; |
| 2807 | } |
| 2808 | |
| 2809 | static |
| 2810 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, |
| 2811 | struct bt_ctf_field *dst) |
| 2812 | { |
| 2813 | int ret = 0; |
| 2814 | int64_t i; |
| 2815 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
| 2816 | |
| 2817 | BT_LOGD("Copying structure field: src-field-addr=%p, dst-field-addr=%p", |
| 2818 | src, dst); |
| 2819 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); |
| 2820 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); |
| 2821 | |
| 2822 | /* This field_name_to_index HT is owned by the structure field type */ |
| 2823 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
| 2824 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
| 2825 | |
| 2826 | for (i = 0; i < struct_src->fields->len; i++) { |
| 2827 | struct bt_ctf_field *field = |
| 2828 | g_ptr_array_index(struct_src->fields, i); |
| 2829 | struct bt_ctf_field *field_copy = NULL; |
| 2830 | |
| 2831 | if (field) { |
| 2832 | BT_LOGD("Copying structure field's field: src-field-addr=%p" |
| 2833 | "index=%" PRId64, field, i); |
| 2834 | field_copy = bt_ctf_field_copy(field); |
| 2835 | if (!field_copy) { |
| 2836 | BT_LOGE("Cannot copy structure field's field: " |
| 2837 | "src-field-addr=%p, index=%" PRId64, |
| 2838 | field, i); |
| 2839 | ret = -1; |
| 2840 | goto end; |
| 2841 | } |
| 2842 | } |
| 2843 | |
| 2844 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
| 2845 | } |
| 2846 | |
| 2847 | BT_LOGD_STR("Copied structure field."); |
| 2848 | |
| 2849 | end: |
| 2850 | return ret; |
| 2851 | } |
| 2852 | |
| 2853 | static |
| 2854 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, |
| 2855 | struct bt_ctf_field *dst) |
| 2856 | { |
| 2857 | int ret = 0; |
| 2858 | struct bt_ctf_field_variant *variant_src, *variant_dst; |
| 2859 | |
| 2860 | BT_LOGD("Copying variant field: src-field-addr=%p, dst-field-addr=%p", |
| 2861 | src, dst); |
| 2862 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); |
| 2863 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); |
| 2864 | |
| 2865 | if (variant_src->tag) { |
| 2866 | BT_LOGD_STR("Copying variant field's tag field."); |
| 2867 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); |
| 2868 | if (!variant_dst->tag) { |
| 2869 | BT_LOGE_STR("Cannot copy variant field's tag field."); |
| 2870 | ret = -1; |
| 2871 | goto end; |
| 2872 | } |
| 2873 | } |
| 2874 | if (variant_src->payload) { |
| 2875 | BT_LOGD_STR("Copying variant field's payload field."); |
| 2876 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); |
| 2877 | if (!variant_dst->payload) { |
| 2878 | BT_LOGE_STR("Cannot copy variant field's payload field."); |
| 2879 | ret = -1; |
| 2880 | goto end; |
| 2881 | } |
| 2882 | } |
| 2883 | |
| 2884 | BT_LOGD_STR("Copied variant field."); |
| 2885 | |
| 2886 | end: |
| 2887 | return ret; |
| 2888 | } |
| 2889 | |
| 2890 | static |
| 2891 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, |
| 2892 | struct bt_ctf_field *dst) |
| 2893 | { |
| 2894 | int ret = 0; |
| 2895 | int64_t i; |
| 2896 | struct bt_ctf_field_array *array_src, *array_dst; |
| 2897 | |
| 2898 | BT_LOGD("Copying array field: src-field-addr=%p, dst-field-addr=%p", |
| 2899 | src, dst); |
| 2900 | array_src = container_of(src, struct bt_ctf_field_array, parent); |
| 2901 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); |
| 2902 | |
| 2903 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
| 2904 | for (i = 0; i < array_src->elements->len; i++) { |
| 2905 | struct bt_ctf_field *field = |
| 2906 | g_ptr_array_index(array_src->elements, i); |
| 2907 | struct bt_ctf_field *field_copy = NULL; |
| 2908 | |
| 2909 | if (field) { |
| 2910 | BT_LOGD("Copying array field's element field: field-addr=%p, " |
| 2911 | "index=%" PRId64, field, i); |
| 2912 | field_copy = bt_ctf_field_copy(field); |
| 2913 | if (!field_copy) { |
| 2914 | BT_LOGE("Cannot copy array field's element field: " |
| 2915 | "src-field-addr=%p, index=%" PRId64, |
| 2916 | field, i); |
| 2917 | ret = -1; |
| 2918 | goto end; |
| 2919 | } |
| 2920 | } |
| 2921 | |
| 2922 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
| 2923 | } |
| 2924 | |
| 2925 | BT_LOGD_STR("Copied array field."); |
| 2926 | |
| 2927 | end: |
| 2928 | return ret; |
| 2929 | } |
| 2930 | |
| 2931 | static |
| 2932 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, |
| 2933 | struct bt_ctf_field *dst) |
| 2934 | { |
| 2935 | int ret = 0; |
| 2936 | int64_t i; |
| 2937 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; |
| 2938 | struct bt_ctf_field *src_length; |
| 2939 | struct bt_ctf_field *dst_length; |
| 2940 | |
| 2941 | BT_LOGD("Copying sequence field: src-field-addr=%p, dst-field-addr=%p", |
| 2942 | src, dst); |
| 2943 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); |
| 2944 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); |
| 2945 | |
| 2946 | src_length = bt_ctf_field_sequence_get_length(src); |
| 2947 | if (!src_length) { |
| 2948 | /* no length set yet: keep destination sequence empty */ |
| 2949 | goto end; |
| 2950 | } |
| 2951 | |
| 2952 | /* copy source length */ |
| 2953 | BT_LOGD_STR("Copying sequence field's length field."); |
| 2954 | dst_length = bt_ctf_field_copy(src_length); |
| 2955 | BT_PUT(src_length); |
| 2956 | if (!dst_length) { |
| 2957 | BT_LOGE_STR("Cannot copy sequence field's length field."); |
| 2958 | ret = -1; |
| 2959 | goto end; |
| 2960 | } |
| 2961 | |
| 2962 | /* this will initialize the destination sequence's internal array */ |
| 2963 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); |
| 2964 | bt_put(dst_length); |
| 2965 | if (ret) { |
| 2966 | BT_LOGE("Cannot set sequence field copy's length field: " |
| 2967 | "dst-length-field-addr=%p", dst_length); |
| 2968 | ret = -1; |
| 2969 | goto end; |
| 2970 | } |
| 2971 | |
| 2972 | assert(sequence_dst->elements->len == sequence_src->elements->len); |
| 2973 | |
| 2974 | for (i = 0; i < sequence_src->elements->len; i++) { |
| 2975 | struct bt_ctf_field *field = |
| 2976 | g_ptr_array_index(sequence_src->elements, i); |
| 2977 | struct bt_ctf_field *field_copy = NULL; |
| 2978 | |
| 2979 | if (field) { |
| 2980 | BT_LOGD("Copying sequence field's element field: field-addr=%p, " |
| 2981 | "index=%" PRId64, field, i); |
| 2982 | field_copy = bt_ctf_field_copy(field); |
| 2983 | if (!field_copy) { |
| 2984 | BT_LOGE("Cannot copy sequence field's element field: " |
| 2985 | "src-field-addr=%p, index=%" PRId64, |
| 2986 | field, i); |
| 2987 | ret = -1; |
| 2988 | goto end; |
| 2989 | } |
| 2990 | } |
| 2991 | |
| 2992 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
| 2993 | } |
| 2994 | |
| 2995 | BT_LOGD_STR("Copied sequence field."); |
| 2996 | |
| 2997 | end: |
| 2998 | return ret; |
| 2999 | } |
| 3000 | |
| 3001 | static |
| 3002 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, |
| 3003 | struct bt_ctf_field *dst) |
| 3004 | { |
| 3005 | int ret = 0; |
| 3006 | struct bt_ctf_field_string *string_src, *string_dst; |
| 3007 | |
| 3008 | BT_LOGD("Copying string field: src-field-addr=%p, dst-field-addr=%p", |
| 3009 | src, dst); |
| 3010 | string_src = container_of(src, struct bt_ctf_field_string, parent); |
| 3011 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); |
| 3012 | |
| 3013 | if (string_src->payload) { |
| 3014 | string_dst->payload = g_string_new(string_src->payload->str); |
| 3015 | if (!string_dst->payload) { |
| 3016 | BT_LOGE_STR("Failed to allocate a GString."); |
| 3017 | ret = -1; |
| 3018 | goto end; |
| 3019 | } |
| 3020 | } |
| 3021 | |
| 3022 | BT_LOGD_STR("Copied string field."); |
| 3023 | |
| 3024 | end: |
| 3025 | return ret; |
| 3026 | } |
| 3027 | |
| 3028 | static |
| 3029 | int increase_packet_size(struct bt_ctf_stream_pos *pos) |
| 3030 | { |
| 3031 | int ret; |
| 3032 | |
| 3033 | assert(pos); |
| 3034 | BT_LOGV("Increasing packet size: pos-offset=%" PRId64 ", " |
| 3035 | "cur-packet-size=%" PRIu64, |
| 3036 | pos->offset, pos->packet_size); |
| 3037 | ret = munmap_align(pos->base_mma); |
| 3038 | if (ret) { |
| 3039 | BT_LOGE_ERRNO("Failed to perform an aligned memory unmapping", |
| 3040 | ": ret=%d", ret); |
| 3041 | goto end; |
| 3042 | } |
| 3043 | |
| 3044 | pos->packet_size += PACKET_LEN_INCREMENT; |
| 3045 | do { |
| 3046 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, |
| 3047 | pos->packet_size / CHAR_BIT); |
| 3048 | } while (ret == EINTR); |
| 3049 | if (ret) { |
| 3050 | BT_LOGE_ERRNO("Failed to preallocate memory space", |
| 3051 | ": ret=%d", ret); |
| 3052 | errno = EINTR; |
| 3053 | ret = -1; |
| 3054 | goto end; |
| 3055 | } |
| 3056 | |
| 3057 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, |
| 3058 | pos->flags, pos->fd, pos->mmap_offset); |
| 3059 | if (pos->base_mma == MAP_FAILED) { |
| 3060 | BT_LOGE_ERRNO("Failed to perform an aligned memory mapping", |
| 3061 | ": ret=%d", ret); |
| 3062 | ret = -1; |
| 3063 | } |
| 3064 | |
| 3065 | BT_LOGV("Increased packet size: pos-offset=%" PRId64 ", " |
| 3066 | "new-packet-size=%" PRIu64, |
| 3067 | pos->offset, pos->packet_size); |
| 3068 | assert(pos->packet_size % 8 == 0); |
| 3069 | |
| 3070 | end: |
| 3071 | return ret; |
| 3072 | } |
| 3073 | |
| 3074 | static |
| 3075 | void generic_field_freeze(struct bt_ctf_field *field) |
| 3076 | { |
| 3077 | field->frozen = 1; |
| 3078 | } |
| 3079 | |
| 3080 | static |
| 3081 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *field) |
| 3082 | { |
| 3083 | struct bt_ctf_field_enumeration *enum_field = |
| 3084 | container_of(field, struct bt_ctf_field_enumeration, parent); |
| 3085 | |
| 3086 | BT_LOGD("Freezing enumeration field object: addr=%p", field); |
| 3087 | BT_LOGD("Freezing enumeration field object's contained payload field: payload-field-addr=%p", enum_field->payload); |
| 3088 | bt_ctf_field_freeze(enum_field->payload); |
| 3089 | generic_field_freeze(field); |
| 3090 | } |
| 3091 | |
| 3092 | static |
| 3093 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *field) |
| 3094 | { |
| 3095 | int64_t i; |
| 3096 | struct bt_ctf_field_structure *structure_field = |
| 3097 | container_of(field, struct bt_ctf_field_structure, parent); |
| 3098 | |
| 3099 | BT_LOGD("Freezing structure field object: addr=%p", field); |
| 3100 | |
| 3101 | for (i = 0; i < structure_field->fields->len; i++) { |
| 3102 | struct bt_ctf_field *field = |
| 3103 | g_ptr_array_index(structure_field->fields, i); |
| 3104 | |
| 3105 | BT_LOGD("Freezing structure field's field: field-addr=%p, index=%" PRId64, |
| 3106 | field, i); |
| 3107 | bt_ctf_field_freeze(field); |
| 3108 | } |
| 3109 | |
| 3110 | generic_field_freeze(field); |
| 3111 | } |
| 3112 | |
| 3113 | static |
| 3114 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *field) |
| 3115 | { |
| 3116 | struct bt_ctf_field_variant *variant_field = |
| 3117 | container_of(field, struct bt_ctf_field_variant, parent); |
| 3118 | |
| 3119 | BT_LOGD("Freezing variant field object: addr=%p", field); |
| 3120 | BT_LOGD("Freezing variant field object's tag field: tag-field-addr=%p", variant_field->tag); |
| 3121 | bt_ctf_field_freeze(variant_field->tag); |
| 3122 | BT_LOGD("Freezing variant field object's payload field: payload-field-addr=%p", variant_field->payload); |
| 3123 | bt_ctf_field_freeze(variant_field->payload); |
| 3124 | generic_field_freeze(field); |
| 3125 | } |
| 3126 | |
| 3127 | static |
| 3128 | void bt_ctf_field_array_freeze(struct bt_ctf_field *field) |
| 3129 | { |
| 3130 | int64_t i; |
| 3131 | struct bt_ctf_field_array *array_field = |
| 3132 | container_of(field, struct bt_ctf_field_array, parent); |
| 3133 | |
| 3134 | BT_LOGD("Freezing array field object: addr=%p", field); |
| 3135 | |
| 3136 | for (i = 0; i < array_field->elements->len; i++) { |
| 3137 | struct bt_ctf_field *elem_field = |
| 3138 | g_ptr_array_index(array_field->elements, i); |
| 3139 | |
| 3140 | BT_LOGD("Freezing array field object's element field: " |
| 3141 | "element-field-addr=%p, index=%" PRId64, |
| 3142 | elem_field, i); |
| 3143 | bt_ctf_field_freeze(elem_field); |
| 3144 | } |
| 3145 | |
| 3146 | generic_field_freeze(field); |
| 3147 | } |
| 3148 | |
| 3149 | static |
| 3150 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *field) |
| 3151 | { |
| 3152 | int64_t i; |
| 3153 | struct bt_ctf_field_sequence *sequence_field = |
| 3154 | container_of(field, struct bt_ctf_field_sequence, parent); |
| 3155 | |
| 3156 | BT_LOGD("Freezing sequence field object: addr=%p", field); |
| 3157 | BT_LOGD("Freezing sequence field object's length field: length-field-addr=%p", |
| 3158 | sequence_field->length); |
| 3159 | bt_ctf_field_freeze(sequence_field->length); |
| 3160 | |
| 3161 | for (i = 0; i < sequence_field->elements->len; i++) { |
| 3162 | struct bt_ctf_field *elem_field = |
| 3163 | g_ptr_array_index(sequence_field->elements, i); |
| 3164 | |
| 3165 | BT_LOGD("Freezing sequence field object's element field: " |
| 3166 | "element-field-addr=%p, index=%" PRId64, |
| 3167 | elem_field, i); |
| 3168 | bt_ctf_field_freeze(elem_field); |
| 3169 | } |
| 3170 | |
| 3171 | generic_field_freeze(field); |
| 3172 | } |
| 3173 | |
| 3174 | BT_HIDDEN |
| 3175 | void bt_ctf_field_freeze(struct bt_ctf_field *field) |
| 3176 | { |
| 3177 | enum bt_ctf_field_type_id type_id; |
| 3178 | |
| 3179 | if (!field) { |
| 3180 | goto end; |
| 3181 | } |
| 3182 | |
| 3183 | if (field->frozen) { |
| 3184 | goto end; |
| 3185 | } |
| 3186 | |
| 3187 | BT_LOGD("Freezing field object: addr=%p", field); |
| 3188 | type_id = bt_ctf_field_get_type_id(field); |
| 3189 | assert(type_id > BT_CTF_FIELD_TYPE_ID_UNKNOWN && |
| 3190 | type_id < BT_CTF_NR_TYPE_IDS); |
| 3191 | field_freeze_funcs[type_id](field); |
| 3192 | end: |
| 3193 | return; |
| 3194 | } |
| 3195 | |
| 3196 | static |
| 3197 | bt_bool bt_ctf_field_generic_is_set(struct bt_ctf_field *field) |
| 3198 | { |
| 3199 | return field && field->payload_set; |
| 3200 | } |
| 3201 | |
| 3202 | static |
| 3203 | bt_bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *field) |
| 3204 | { |
| 3205 | bt_bool is_set = BT_FALSE; |
| 3206 | struct bt_ctf_field_enumeration *enumeration; |
| 3207 | |
| 3208 | if (!field) { |
| 3209 | goto end; |
| 3210 | } |
| 3211 | |
| 3212 | enumeration = container_of(field, struct bt_ctf_field_enumeration, |
| 3213 | parent); |
| 3214 | if (!enumeration->payload) { |
| 3215 | goto end; |
| 3216 | } |
| 3217 | |
| 3218 | is_set = bt_ctf_field_is_set(enumeration->payload); |
| 3219 | end: |
| 3220 | return is_set; |
| 3221 | } |
| 3222 | |
| 3223 | static |
| 3224 | bt_bool bt_ctf_field_structure_is_set(struct bt_ctf_field *field) |
| 3225 | { |
| 3226 | bt_bool is_set = BT_FALSE; |
| 3227 | size_t i; |
| 3228 | struct bt_ctf_field_structure *structure; |
| 3229 | |
| 3230 | if (!field) { |
| 3231 | goto end; |
| 3232 | } |
| 3233 | |
| 3234 | structure = container_of(field, struct bt_ctf_field_structure, parent); |
| 3235 | for (i = 0; i < structure->fields->len; i++) { |
| 3236 | is_set = bt_ctf_field_is_set(structure->fields->pdata[i]); |
| 3237 | if (!is_set) { |
| 3238 | goto end; |
| 3239 | } |
| 3240 | } |
| 3241 | end: |
| 3242 | return is_set; |
| 3243 | } |
| 3244 | |
| 3245 | static |
| 3246 | bt_bool bt_ctf_field_variant_is_set(struct bt_ctf_field *field) |
| 3247 | { |
| 3248 | bt_bool is_set = BT_FALSE; |
| 3249 | struct bt_ctf_field_variant *variant; |
| 3250 | |
| 3251 | if (!field) { |
| 3252 | goto end; |
| 3253 | } |
| 3254 | |
| 3255 | variant = container_of(field, struct bt_ctf_field_variant, parent); |
| 3256 | is_set = bt_ctf_field_is_set(variant->payload); |
| 3257 | end: |
| 3258 | return is_set; |
| 3259 | } |
| 3260 | |
| 3261 | static |
| 3262 | bt_bool bt_ctf_field_array_is_set(struct bt_ctf_field *field) |
| 3263 | { |
| 3264 | size_t i; |
| 3265 | bt_bool is_set = BT_FALSE; |
| 3266 | struct bt_ctf_field_array *array; |
| 3267 | |
| 3268 | if (!field) { |
| 3269 | goto end; |
| 3270 | } |
| 3271 | |
| 3272 | array = container_of(field, struct bt_ctf_field_array, parent); |
| 3273 | for (i = 0; i < array->elements->len; i++) { |
| 3274 | is_set = bt_ctf_field_is_set(array->elements->pdata[i]); |
| 3275 | if (!is_set) { |
| 3276 | goto end; |
| 3277 | } |
| 3278 | } |
| 3279 | end: |
| 3280 | return is_set; |
| 3281 | } |
| 3282 | |
| 3283 | static |
| 3284 | bt_bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *field) |
| 3285 | { |
| 3286 | size_t i; |
| 3287 | bt_bool is_set = BT_FALSE; |
| 3288 | struct bt_ctf_field_sequence *sequence; |
| 3289 | |
| 3290 | if (!field) { |
| 3291 | goto end; |
| 3292 | } |
| 3293 | |
| 3294 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
| 3295 | for (i = 0; i < sequence->elements->len; i++) { |
| 3296 | is_set = bt_ctf_field_validate(sequence->elements->pdata[i]); |
| 3297 | if (!is_set) { |
| 3298 | goto end; |
| 3299 | } |
| 3300 | } |
| 3301 | end: |
| 3302 | return is_set; |
| 3303 | } |