| 1 | /* |
| 2 | * field-classes.c |
| 3 | * |
| 4 | * Babeltrace trace IR - Event Types |
| 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 "FIELD-CLASSES" |
| 30 | #include <babeltrace/lib-logging-internal.h> |
| 31 | |
| 32 | #include <babeltrace/assert-pre-internal.h> |
| 33 | #include <babeltrace/trace-ir/field-classes-internal.h> |
| 34 | #include <babeltrace/trace-ir/field-path-internal.h> |
| 35 | #include <babeltrace/trace-ir/fields-internal.h> |
| 36 | #include <babeltrace/trace-ir/fields.h> |
| 37 | #include <babeltrace/trace-ir/utils-internal.h> |
| 38 | #include <babeltrace/ref.h> |
| 39 | #include <babeltrace/trace-ir/clock-class.h> |
| 40 | #include <babeltrace/trace-ir/clock-class-internal.h> |
| 41 | #include <babeltrace/object-internal.h> |
| 42 | #include <babeltrace/ref.h> |
| 43 | #include <babeltrace/compiler-internal.h> |
| 44 | #include <babeltrace/endian-internal.h> |
| 45 | #include <babeltrace/assert-internal.h> |
| 46 | #include <babeltrace/compat/glib-internal.h> |
| 47 | #include <float.h> |
| 48 | #include <inttypes.h> |
| 49 | #include <stdlib.h> |
| 50 | |
| 51 | enum bt_field_class_type bt_field_class_get_type(struct bt_field_class *fc) |
| 52 | { |
| 53 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 54 | return fc->type; |
| 55 | } |
| 56 | |
| 57 | static |
| 58 | void init_field_class(struct bt_field_class *fc, enum bt_field_class_type type, |
| 59 | bt_object_release_func release_func) |
| 60 | { |
| 61 | BT_ASSERT(fc); |
| 62 | BT_ASSERT(bt_field_class_has_known_type(fc)); |
| 63 | BT_ASSERT(release_func); |
| 64 | bt_object_init_shared(&fc->base, release_func); |
| 65 | fc->type = type; |
| 66 | } |
| 67 | |
| 68 | static |
| 69 | void init_integer_field_class(struct bt_field_class_integer *fc, |
| 70 | enum bt_field_class_type type, |
| 71 | bt_object_release_func release_func) |
| 72 | { |
| 73 | init_field_class((void *) fc, type, release_func); |
| 74 | fc->range = 64; |
| 75 | fc->base = BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL; |
| 76 | } |
| 77 | |
| 78 | static |
| 79 | void destroy_integer_field_class(struct bt_object *obj) |
| 80 | { |
| 81 | BT_ASSERT(obj); |
| 82 | BT_LIB_LOGD("Destroying integer field classe object: %!+F", obj); |
| 83 | g_free(obj); |
| 84 | } |
| 85 | |
| 86 | static inline |
| 87 | struct bt_field_class *create_integer_field_class(enum bt_field_class_type type) |
| 88 | { |
| 89 | struct bt_field_class_integer *int_fc = NULL; |
| 90 | |
| 91 | BT_LOGD("Creating default integer field classe object: type=%s", |
| 92 | bt_common_field_class_type_string(type)); |
| 93 | int_fc = g_new0(struct bt_field_class_integer, 1); |
| 94 | if (!int_fc) { |
| 95 | BT_LOGE_STR("Failed to allocate one integer field classe."); |
| 96 | goto error; |
| 97 | } |
| 98 | |
| 99 | init_integer_field_class(int_fc, type, destroy_integer_field_class); |
| 100 | BT_LIB_LOGD("Created integer field classe object: %!+F", int_fc); |
| 101 | goto end; |
| 102 | |
| 103 | error: |
| 104 | BT_PUT(int_fc); |
| 105 | |
| 106 | end: |
| 107 | return (void *) int_fc; |
| 108 | } |
| 109 | |
| 110 | struct bt_field_class *bt_field_class_unsigned_integer_create(void) |
| 111 | { |
| 112 | return create_integer_field_class(BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); |
| 113 | } |
| 114 | |
| 115 | struct bt_field_class *bt_field_class_signed_integer_create(void) |
| 116 | { |
| 117 | return create_integer_field_class(BT_FIELD_CLASS_TYPE_SIGNED_INTEGER); |
| 118 | } |
| 119 | |
| 120 | uint64_t bt_field_class_integer_get_field_value_range( |
| 121 | struct bt_field_class *fc) |
| 122 | { |
| 123 | struct bt_field_class_integer *int_fc = (void *) fc; |
| 124 | |
| 125 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 126 | BT_ASSERT_PRE_FC_IS_INT(fc, "Field class"); |
| 127 | return int_fc->range; |
| 128 | } |
| 129 | |
| 130 | BT_ASSERT_PRE_FUNC |
| 131 | static |
| 132 | bool size_is_valid_for_enumeration_field_class(struct bt_field_class *fc, |
| 133 | uint64_t size) |
| 134 | { |
| 135 | // TODO |
| 136 | return true; |
| 137 | } |
| 138 | |
| 139 | int bt_field_class_integer_set_field_value_range( |
| 140 | struct bt_field_class *fc, uint64_t size) |
| 141 | { |
| 142 | struct bt_field_class_integer *int_fc = (void *) fc; |
| 143 | |
| 144 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 145 | BT_ASSERT_PRE_FC_IS_INT(fc, "Field class"); |
| 146 | BT_ASSERT_PRE_FC_HOT(fc, "Field class"); |
| 147 | BT_ASSERT_PRE(size <= 64, |
| 148 | "Unsupported size for integer field classe's field value range " |
| 149 | "(maximum is 64): size=%" PRIu64, size); |
| 150 | BT_ASSERT_PRE( |
| 151 | int_fc->common.type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER || |
| 152 | int_fc->common.type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER || |
| 153 | size_is_valid_for_enumeration_field_class(fc, size), |
| 154 | "Invalid field value range for enumeration field classe: " |
| 155 | "at least one of the current mapping ranges contains values " |
| 156 | "which are outside this range: %!+F, size=%" PRIu64, fc, size); |
| 157 | int_fc->range = size; |
| 158 | BT_LIB_LOGV("Set integer field classe's field value range: %!+F", fc); |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | enum bt_field_class_integer_preferred_display_base |
| 163 | bt_field_class_integer_get_preferred_display_base(struct bt_field_class *fc) |
| 164 | { |
| 165 | struct bt_field_class_integer *int_fc = (void *) fc; |
| 166 | |
| 167 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 168 | BT_ASSERT_PRE_FC_IS_INT(fc, "Field class"); |
| 169 | return int_fc->base; |
| 170 | } |
| 171 | |
| 172 | int bt_field_class_integer_set_preferred_display_base(struct bt_field_class *fc, |
| 173 | enum bt_field_class_integer_preferred_display_base base) |
| 174 | { |
| 175 | struct bt_field_class_integer *int_fc = (void *) fc; |
| 176 | |
| 177 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 178 | BT_ASSERT_PRE_FC_IS_INT(fc, "Field class"); |
| 179 | BT_ASSERT_PRE_FC_HOT(fc, "Field class"); |
| 180 | int_fc->base = base; |
| 181 | BT_LIB_LOGV("Set integer field classe's preferred display base: %!+F", fc); |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | static |
| 186 | void finalize_enumeration_field_class_mapping( |
| 187 | struct bt_field_class_enumeration_mapping *mapping) |
| 188 | { |
| 189 | BT_ASSERT(mapping); |
| 190 | |
| 191 | if (mapping->label) { |
| 192 | g_string_free(mapping->label, TRUE); |
| 193 | } |
| 194 | |
| 195 | if (mapping->ranges) { |
| 196 | g_array_free(mapping->ranges, TRUE); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | static |
| 201 | void destroy_enumeration_field_class(struct bt_object *obj) |
| 202 | { |
| 203 | struct bt_field_class_enumeration *fc = (void *) obj; |
| 204 | |
| 205 | BT_ASSERT(fc); |
| 206 | BT_LIB_LOGD("Destroying enumeration field classe object: %!+F", fc); |
| 207 | |
| 208 | if (fc->mappings) { |
| 209 | uint64_t i; |
| 210 | |
| 211 | for (i = 0; i < fc->mappings->len; i++) { |
| 212 | finalize_enumeration_field_class_mapping( |
| 213 | BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(fc, i)); |
| 214 | } |
| 215 | |
| 216 | g_array_free(fc->mappings, TRUE); |
| 217 | } |
| 218 | |
| 219 | if (fc->label_buf) { |
| 220 | g_ptr_array_free(fc->label_buf, TRUE); |
| 221 | } |
| 222 | |
| 223 | g_free(fc); |
| 224 | } |
| 225 | |
| 226 | static |
| 227 | struct bt_field_class *create_enumeration_field_class(enum bt_field_class_type type) |
| 228 | { |
| 229 | struct bt_field_class_enumeration *enum_fc = NULL; |
| 230 | |
| 231 | BT_LOGD("Creating default enumeration field classe object: type=%s", |
| 232 | bt_common_field_class_type_string(type)); |
| 233 | enum_fc = g_new0(struct bt_field_class_enumeration, 1); |
| 234 | if (!enum_fc) { |
| 235 | BT_LOGE_STR("Failed to allocate one enumeration field classe."); |
| 236 | goto error; |
| 237 | } |
| 238 | |
| 239 | init_integer_field_class((void *) enum_fc, type, |
| 240 | destroy_enumeration_field_class); |
| 241 | enum_fc->mappings = g_array_new(FALSE, TRUE, |
| 242 | sizeof(struct bt_field_class_enumeration_mapping)); |
| 243 | if (!enum_fc->mappings) { |
| 244 | BT_LOGE_STR("Failed to allocate a GArray."); |
| 245 | goto error; |
| 246 | } |
| 247 | |
| 248 | enum_fc->label_buf = g_ptr_array_new(); |
| 249 | if (!enum_fc->label_buf) { |
| 250 | BT_LOGE_STR("Failed to allocate a GArray."); |
| 251 | goto error; |
| 252 | } |
| 253 | |
| 254 | BT_LIB_LOGD("Created enumeration field classe object: %!+F", enum_fc); |
| 255 | goto end; |
| 256 | |
| 257 | error: |
| 258 | BT_PUT(enum_fc); |
| 259 | |
| 260 | end: |
| 261 | return (void *) enum_fc; |
| 262 | } |
| 263 | |
| 264 | struct bt_field_class *bt_field_class_unsigned_enumeration_create(void) |
| 265 | { |
| 266 | return create_enumeration_field_class( |
| 267 | BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION); |
| 268 | } |
| 269 | |
| 270 | struct bt_field_class *bt_field_class_signed_enumeration_create(void) |
| 271 | { |
| 272 | return create_enumeration_field_class( |
| 273 | BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION); |
| 274 | } |
| 275 | |
| 276 | uint64_t bt_field_class_enumeration_get_mapping_count(struct bt_field_class *fc) |
| 277 | { |
| 278 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 279 | |
| 280 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 281 | BT_ASSERT_PRE_FC_IS_ENUM(fc, "Field class"); |
| 282 | return (uint64_t) enum_fc->mappings->len; |
| 283 | } |
| 284 | |
| 285 | void bt_field_class_unsigned_enumeration_borrow_mapping_by_index( |
| 286 | struct bt_field_class *fc, uint64_t index, |
| 287 | const char **name, |
| 288 | struct bt_field_class_unsigned_enumeration_mapping_ranges **ranges) |
| 289 | { |
| 290 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 291 | struct bt_field_class_enumeration_mapping *mapping; |
| 292 | |
| 293 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 294 | BT_ASSERT_PRE_NON_NULL(name, "Name (output)"); |
| 295 | BT_ASSERT_PRE_NON_NULL(ranges, "Ranges (output)"); |
| 296 | BT_ASSERT_PRE_VALID_INDEX(index, enum_fc->mappings->len); |
| 297 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION, |
| 298 | "Field class"); |
| 299 | mapping = BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(fc, index); |
| 300 | *name = mapping->label->str; |
| 301 | *ranges = (void *) mapping; |
| 302 | } |
| 303 | |
| 304 | void bt_field_class_signed_enumeration_borrow_mapping_by_index( |
| 305 | struct bt_field_class *fc, uint64_t index, |
| 306 | const char **name, |
| 307 | struct bt_field_class_signed_enumeration_mapping_ranges **ranges) |
| 308 | { |
| 309 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 310 | struct bt_field_class_enumeration_mapping *mapping; |
| 311 | |
| 312 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 313 | BT_ASSERT_PRE_NON_NULL(name, "Name (output)"); |
| 314 | BT_ASSERT_PRE_NON_NULL(ranges, "Ranges (output)"); |
| 315 | BT_ASSERT_PRE_VALID_INDEX(index, enum_fc->mappings->len); |
| 316 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION, |
| 317 | "Field class"); |
| 318 | mapping = BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(fc, index); |
| 319 | *name = mapping->label->str; |
| 320 | *ranges = (void *) mapping; |
| 321 | } |
| 322 | |
| 323 | static inline |
| 324 | uint64_t get_enumeration_field_class_mapping_range_count( |
| 325 | struct bt_field_class_enumeration_mapping *mapping) |
| 326 | { |
| 327 | BT_ASSERT_PRE_NON_NULL(mapping, "Ranges"); |
| 328 | return (uint64_t) mapping->ranges->len; |
| 329 | } |
| 330 | |
| 331 | uint64_t bt_field_class_unsigned_enumeration_mapping_ranges_get_range_count( |
| 332 | struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges) |
| 333 | { |
| 334 | return get_enumeration_field_class_mapping_range_count((void *) ranges); |
| 335 | } |
| 336 | |
| 337 | uint64_t bt_field_class_signed_enumeration_mapping_ranges_get_range_count( |
| 338 | struct bt_field_class_signed_enumeration_mapping_ranges *ranges) |
| 339 | { |
| 340 | return get_enumeration_field_class_mapping_range_count((void *) ranges); |
| 341 | } |
| 342 | |
| 343 | static inline |
| 344 | void get_enumeration_field_class_mapping_range_at_index( |
| 345 | struct bt_field_class_enumeration_mapping *mapping, |
| 346 | uint64_t index, uint64_t *lower, uint64_t *upper) |
| 347 | { |
| 348 | struct bt_field_class_enumeration_mapping_range *range; |
| 349 | |
| 350 | BT_ASSERT_PRE_NON_NULL(mapping, "Ranges"); |
| 351 | BT_ASSERT_PRE_NON_NULL(lower, "Range's lower (output)"); |
| 352 | BT_ASSERT_PRE_NON_NULL(upper, "Range's upper (output)"); |
| 353 | BT_ASSERT_PRE_VALID_INDEX(index, mapping->ranges->len); |
| 354 | range = BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(mapping, index); |
| 355 | *lower = range->lower.u; |
| 356 | *upper = range->upper.u; |
| 357 | } |
| 358 | |
| 359 | void bt_field_class_unsigned_enumeration_mapping_ranges_get_range_by_index( |
| 360 | struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges, |
| 361 | uint64_t index, uint64_t *lower, uint64_t *upper) |
| 362 | { |
| 363 | get_enumeration_field_class_mapping_range_at_index((void *) ranges, |
| 364 | index, lower, upper); |
| 365 | } |
| 366 | |
| 367 | void bt_field_class_signed_enumeration_mapping_ranges_get_range_by_index( |
| 368 | struct bt_field_class_unsigned_enumeration_mapping_ranges *ranges, |
| 369 | uint64_t index, int64_t *lower, int64_t *upper) |
| 370 | { |
| 371 | get_enumeration_field_class_mapping_range_at_index((void *) ranges, |
| 372 | index, (uint64_t *) lower, (uint64_t *) upper); |
| 373 | } |
| 374 | |
| 375 | |
| 376 | |
| 377 | int bt_field_class_unsigned_enumeration_get_mapping_labels_by_value( |
| 378 | struct bt_field_class *fc, uint64_t value, |
| 379 | bt_field_class_enumeration_mapping_label_array *label_array, |
| 380 | uint64_t *count) |
| 381 | { |
| 382 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 383 | uint64_t i; |
| 384 | |
| 385 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 386 | BT_ASSERT_PRE_NON_NULL(label_array, "Label array (output)"); |
| 387 | BT_ASSERT_PRE_NON_NULL(count, "Count (output)"); |
| 388 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION, |
| 389 | "Field class"); |
| 390 | g_ptr_array_set_size(enum_fc->label_buf, 0); |
| 391 | |
| 392 | for (i = 0; i < enum_fc->mappings->len; i++) { |
| 393 | uint64_t j; |
| 394 | struct bt_field_class_enumeration_mapping *mapping = |
| 395 | BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, i); |
| 396 | |
| 397 | for (j = 0; j < mapping->ranges->len; j++) { |
| 398 | struct bt_field_class_enumeration_mapping_range *range = |
| 399 | BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX( |
| 400 | mapping, j); |
| 401 | |
| 402 | if (value >= range->lower.u && |
| 403 | value <= range->upper.u) { |
| 404 | g_ptr_array_add(enum_fc->label_buf, |
| 405 | mapping->label->str); |
| 406 | break; |
| 407 | } |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | *label_array = (void *) enum_fc->label_buf->pdata; |
| 412 | *count = (uint64_t) enum_fc->label_buf->len; |
| 413 | return 0; |
| 414 | } |
| 415 | |
| 416 | int bt_field_class_signed_enumeration_get_mapping_labels_by_value( |
| 417 | struct bt_field_class *fc, int64_t value, |
| 418 | bt_field_class_enumeration_mapping_label_array *label_array, |
| 419 | uint64_t *count) |
| 420 | { |
| 421 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 422 | uint64_t i; |
| 423 | |
| 424 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 425 | BT_ASSERT_PRE_NON_NULL(label_array, "Label array (output)"); |
| 426 | BT_ASSERT_PRE_NON_NULL(count, "Count (output)"); |
| 427 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION, |
| 428 | "Field class"); |
| 429 | g_ptr_array_set_size(enum_fc->label_buf, 0); |
| 430 | |
| 431 | for (i = 0; i < enum_fc->mappings->len; i++) { |
| 432 | uint64_t j; |
| 433 | struct bt_field_class_enumeration_mapping *mapping = |
| 434 | BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, i); |
| 435 | |
| 436 | for (j = 0; j < mapping->ranges->len; j++) { |
| 437 | struct bt_field_class_enumeration_mapping_range *range = |
| 438 | BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX( |
| 439 | mapping, j); |
| 440 | |
| 441 | if (value >= range->lower.i && |
| 442 | value <= range->upper.i) { |
| 443 | g_ptr_array_add(enum_fc->label_buf, |
| 444 | mapping->label->str); |
| 445 | break; |
| 446 | } |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | *label_array = (void *) enum_fc->label_buf->pdata; |
| 451 | *count = (uint64_t) enum_fc->label_buf->len; |
| 452 | return 0; |
| 453 | } |
| 454 | |
| 455 | static inline |
| 456 | int add_mapping_to_enumeration_field_class(struct bt_field_class *fc, |
| 457 | const char *label, uint64_t lower, uint64_t upper) |
| 458 | { |
| 459 | int ret = 0; |
| 460 | uint64_t i; |
| 461 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 462 | struct bt_field_class_enumeration_mapping *mapping = NULL; |
| 463 | struct bt_field_class_enumeration_mapping_range *range; |
| 464 | |
| 465 | BT_ASSERT(fc); |
| 466 | BT_ASSERT_PRE_NON_NULL(label, "Label"); |
| 467 | |
| 468 | /* Find existing mapping identified by this label */ |
| 469 | for (i = 0; i < enum_fc->mappings->len; i++) { |
| 470 | struct bt_field_class_enumeration_mapping *mapping_candidate = |
| 471 | BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, i); |
| 472 | |
| 473 | if (strcmp(mapping_candidate->label->str, label) == 0) { |
| 474 | mapping = mapping_candidate; |
| 475 | break; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | if (!mapping) { |
| 480 | /* Create new mapping for this label */ |
| 481 | g_array_set_size(enum_fc->mappings, enum_fc->mappings->len + 1); |
| 482 | mapping = BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(enum_fc, |
| 483 | enum_fc->mappings->len - 1); |
| 484 | mapping->ranges = g_array_new(FALSE, TRUE, |
| 485 | sizeof(struct bt_field_class_enumeration_mapping_range)); |
| 486 | if (!mapping->ranges) { |
| 487 | finalize_enumeration_field_class_mapping(mapping); |
| 488 | g_array_set_size(enum_fc->mappings, |
| 489 | enum_fc->mappings->len - 1); |
| 490 | ret = -1; |
| 491 | goto end; |
| 492 | } |
| 493 | |
| 494 | mapping->label = g_string_new(label); |
| 495 | if (!mapping->label) { |
| 496 | finalize_enumeration_field_class_mapping(mapping); |
| 497 | g_array_set_size(enum_fc->mappings, |
| 498 | enum_fc->mappings->len - 1); |
| 499 | ret = -1; |
| 500 | goto end; |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | /* Add range */ |
| 505 | BT_ASSERT(mapping); |
| 506 | g_array_set_size(mapping->ranges, mapping->ranges->len + 1); |
| 507 | range = BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(mapping, |
| 508 | mapping->ranges->len - 1); |
| 509 | range->lower.u = lower; |
| 510 | range->upper.u = upper; |
| 511 | BT_LIB_LOGV("Added mapping to enumeration field classe: " |
| 512 | "%![fc-]+F, label=\"%s\", lower-unsigned=%" PRIu64 ", " |
| 513 | "upper-unsigned=%" PRIu64, fc, label, lower, upper); |
| 514 | |
| 515 | end: |
| 516 | return ret; |
| 517 | } |
| 518 | |
| 519 | int bt_field_class_unsigned_enumeration_map_range( |
| 520 | struct bt_field_class *fc, const char *label, |
| 521 | uint64_t range_lower, uint64_t range_upper) |
| 522 | { |
| 523 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 524 | |
| 525 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 526 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION, |
| 527 | "Field class"); |
| 528 | BT_ASSERT_PRE(range_lower <= range_upper, |
| 529 | "Range's upper bound is less than lower bound: " |
| 530 | "upper=%" PRIu64 ", lower=%" PRIu64, |
| 531 | range_lower, range_upper); |
| 532 | BT_ASSERT_PRE(bt_util_value_is_in_range_unsigned(enum_fc->common.range, |
| 533 | range_lower), |
| 534 | "Range's lower bound is outside the enumeration field classe's value range: " |
| 535 | "%![fc-]+F, lower=%" PRIu64, fc, range_lower); |
| 536 | BT_ASSERT_PRE(bt_util_value_is_in_range_unsigned(enum_fc->common.range, |
| 537 | range_upper), |
| 538 | "Range's upper bound is outside the enumeration field classe's value range: " |
| 539 | "%![fc-]+F, upper=%" PRIu64, fc, range_upper); |
| 540 | return add_mapping_to_enumeration_field_class(fc, label, range_lower, |
| 541 | range_upper); |
| 542 | } |
| 543 | |
| 544 | int bt_field_class_signed_enumeration_map_range( |
| 545 | struct bt_field_class *fc, const char *label, |
| 546 | int64_t range_lower, int64_t range_upper) |
| 547 | { |
| 548 | struct bt_field_class_enumeration *enum_fc = (void *) fc; |
| 549 | |
| 550 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 551 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION, |
| 552 | "Field class"); |
| 553 | BT_ASSERT_PRE(range_lower <= range_upper, |
| 554 | "Range's upper bound is less than lower bound: " |
| 555 | "upper=%" PRId64 ", lower=%" PRId64, |
| 556 | range_lower, range_upper); |
| 557 | BT_ASSERT_PRE(bt_util_value_is_in_range_signed(enum_fc->common.range, |
| 558 | range_lower), |
| 559 | "Range's lower bound is outside the enumeration field classe's value range: " |
| 560 | "%![fc-]+F, lower=%" PRId64, fc, range_lower); |
| 561 | BT_ASSERT_PRE(bt_util_value_is_in_range_signed(enum_fc->common.range, |
| 562 | range_upper), |
| 563 | "Range's upper bound is outside the enumeration field classe's value range: " |
| 564 | "%![fc-]+F, upper=%" PRId64, fc, range_upper); |
| 565 | return add_mapping_to_enumeration_field_class(fc, label, range_lower, |
| 566 | range_upper); |
| 567 | } |
| 568 | |
| 569 | static |
| 570 | void destroy_real_field_class(struct bt_object *obj) |
| 571 | { |
| 572 | BT_ASSERT(obj); |
| 573 | BT_LIB_LOGD("Destroying real field classe object: %!+F", obj); |
| 574 | g_free(obj); |
| 575 | } |
| 576 | |
| 577 | struct bt_field_class *bt_field_class_real_create(void) |
| 578 | { |
| 579 | struct bt_field_class_real *real_fc = NULL; |
| 580 | |
| 581 | BT_LOGD_STR("Creating default real field classe object."); |
| 582 | real_fc = g_new0(struct bt_field_class_real, 1); |
| 583 | if (!real_fc) { |
| 584 | BT_LOGE_STR("Failed to allocate one real field classe."); |
| 585 | goto error; |
| 586 | } |
| 587 | |
| 588 | init_field_class((void *) real_fc, BT_FIELD_CLASS_TYPE_REAL, |
| 589 | destroy_real_field_class); |
| 590 | BT_LIB_LOGD("Created real field classe object: %!+F", real_fc); |
| 591 | goto end; |
| 592 | |
| 593 | error: |
| 594 | BT_PUT(real_fc); |
| 595 | |
| 596 | end: |
| 597 | return (void *) real_fc; |
| 598 | } |
| 599 | |
| 600 | bt_bool bt_field_class_real_is_single_precision(struct bt_field_class *fc) |
| 601 | { |
| 602 | struct bt_field_class_real *real_fc = (void *) fc; |
| 603 | |
| 604 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 605 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_REAL, "Field class"); |
| 606 | return real_fc->is_single_precision; |
| 607 | } |
| 608 | |
| 609 | int bt_field_class_real_set_is_single_precision(struct bt_field_class *fc, |
| 610 | bt_bool is_single_precision) |
| 611 | { |
| 612 | struct bt_field_class_real *real_fc = (void *) fc; |
| 613 | |
| 614 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 615 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_REAL, "Field class"); |
| 616 | BT_ASSERT_PRE_FC_HOT(fc, "Field class"); |
| 617 | real_fc->is_single_precision = (bool) is_single_precision; |
| 618 | BT_LIB_LOGV("Set real field classe's \"is single precision\" property: " |
| 619 | "%!+F", fc); |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static |
| 624 | int init_named_field_classes_container( |
| 625 | struct bt_field_class_named_field_class_container *fc, |
| 626 | enum bt_field_class_type type, bt_object_release_func release_func) |
| 627 | { |
| 628 | int ret = 0; |
| 629 | |
| 630 | init_field_class((void *) fc, type, release_func); |
| 631 | fc->named_fcs = g_array_new(FALSE, TRUE, |
| 632 | sizeof(struct bt_named_field_class)); |
| 633 | if (!fc->named_fcs) { |
| 634 | BT_LOGE_STR("Failed to allocate a GArray."); |
| 635 | ret = -1; |
| 636 | goto end; |
| 637 | } |
| 638 | |
| 639 | fc->name_to_index = g_hash_table_new(g_str_hash, g_str_equal); |
| 640 | if (!fc->name_to_index) { |
| 641 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
| 642 | ret = -1; |
| 643 | goto end; |
| 644 | } |
| 645 | |
| 646 | end: |
| 647 | return ret; |
| 648 | } |
| 649 | |
| 650 | static |
| 651 | void finalize_named_field_class(struct bt_named_field_class *named_fc) |
| 652 | { |
| 653 | BT_ASSERT(named_fc); |
| 654 | BT_LIB_LOGD("Finalizing named field classe: " |
| 655 | "addr=%p, name=\"%s\", %![fc-]+F", |
| 656 | named_fc, named_fc->name ? named_fc->name->str : NULL, |
| 657 | named_fc->fc); |
| 658 | |
| 659 | if (named_fc->name) { |
| 660 | g_string_free(named_fc->name, TRUE); |
| 661 | } |
| 662 | |
| 663 | BT_LOGD_STR("Putting named field classe's field classe."); |
| 664 | bt_put(named_fc->fc); |
| 665 | } |
| 666 | |
| 667 | static |
| 668 | void finalize_named_field_classes_container( |
| 669 | struct bt_field_class_named_field_class_container *fc) |
| 670 | { |
| 671 | uint64_t i; |
| 672 | |
| 673 | BT_ASSERT(fc); |
| 674 | |
| 675 | if (fc->named_fcs) { |
| 676 | for (i = 0; i < fc->named_fcs->len; i++) { |
| 677 | finalize_named_field_class( |
| 678 | &g_array_index(fc->named_fcs, |
| 679 | struct bt_named_field_class, i)); |
| 680 | } |
| 681 | |
| 682 | g_array_free(fc->named_fcs, TRUE); |
| 683 | } |
| 684 | |
| 685 | if (fc->name_to_index) { |
| 686 | g_hash_table_destroy(fc->name_to_index); |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | static |
| 691 | void destroy_structure_field_class(struct bt_object *obj) |
| 692 | { |
| 693 | BT_ASSERT(obj); |
| 694 | BT_LIB_LOGD("Destroying string field classe object: %!+F", obj); |
| 695 | finalize_named_field_classes_container((void *) obj); |
| 696 | g_free(obj); |
| 697 | } |
| 698 | |
| 699 | struct bt_field_class *bt_field_class_structure_create(void) |
| 700 | { |
| 701 | int ret; |
| 702 | struct bt_field_class_structure *struct_fc = NULL; |
| 703 | |
| 704 | BT_LOGD_STR("Creating default structure field classe object."); |
| 705 | struct_fc = g_new0(struct bt_field_class_structure, 1); |
| 706 | if (!struct_fc) { |
| 707 | BT_LOGE_STR("Failed to allocate one structure field classe."); |
| 708 | goto error; |
| 709 | } |
| 710 | |
| 711 | ret = init_named_field_classes_container((void *) struct_fc, |
| 712 | BT_FIELD_CLASS_TYPE_STRUCTURE, destroy_structure_field_class); |
| 713 | if (ret) { |
| 714 | goto error; |
| 715 | } |
| 716 | |
| 717 | BT_LIB_LOGD("Created structure field classe object: %!+F", struct_fc); |
| 718 | goto end; |
| 719 | |
| 720 | error: |
| 721 | BT_PUT(struct_fc); |
| 722 | |
| 723 | end: |
| 724 | return (void *) struct_fc; |
| 725 | } |
| 726 | |
| 727 | static |
| 728 | int append_named_field_class_to_container_field_class( |
| 729 | struct bt_field_class_named_field_class_container *container_fc, |
| 730 | const char *name, struct bt_field_class *fc) |
| 731 | { |
| 732 | int ret = 0; |
| 733 | struct bt_named_field_class *named_fc; |
| 734 | GString *name_str; |
| 735 | |
| 736 | BT_ASSERT(container_fc); |
| 737 | BT_ASSERT_PRE_FC_HOT(container_fc, "Field class"); |
| 738 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
| 739 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 740 | BT_ASSERT_PRE(!bt_g_hash_table_contains(container_fc->name_to_index, |
| 741 | name), |
| 742 | "Duplicate member/option name in structure/variant field classe: " |
| 743 | "%![container-fc-]+F, name=\"%s\"", container_fc, name); |
| 744 | name_str = g_string_new(name); |
| 745 | if (!name_str) { |
| 746 | BT_LOGE_STR("Failed to allocate a GString."); |
| 747 | ret = -1; |
| 748 | goto end; |
| 749 | } |
| 750 | |
| 751 | g_array_set_size(container_fc->named_fcs, |
| 752 | container_fc->named_fcs->len + 1); |
| 753 | named_fc = &g_array_index(container_fc->named_fcs, |
| 754 | struct bt_named_field_class, container_fc->named_fcs->len - 1); |
| 755 | named_fc->name = name_str; |
| 756 | named_fc->fc = bt_get(fc); |
| 757 | g_hash_table_insert(container_fc->name_to_index, named_fc->name->str, |
| 758 | GUINT_TO_POINTER(container_fc->named_fcs->len - 1)); |
| 759 | bt_field_class_freeze(fc); |
| 760 | |
| 761 | end: |
| 762 | return ret; |
| 763 | } |
| 764 | |
| 765 | int bt_field_class_structure_append_member(struct bt_field_class *fc, |
| 766 | const char *name, struct bt_field_class *member_fc) |
| 767 | { |
| 768 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 769 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class"); |
| 770 | return append_named_field_class_to_container_field_class((void *) fc, |
| 771 | name, member_fc); |
| 772 | } |
| 773 | |
| 774 | uint64_t bt_field_class_structure_get_member_count(struct bt_field_class *fc) |
| 775 | { |
| 776 | struct bt_field_class_structure *struct_fc = (void *) fc; |
| 777 | |
| 778 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 779 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class"); |
| 780 | return (uint64_t) struct_fc->common.named_fcs->len; |
| 781 | } |
| 782 | |
| 783 | static |
| 784 | void borrow_named_field_class_from_container_field_class_at_index( |
| 785 | struct bt_field_class_named_field_class_container *fc, |
| 786 | uint64_t index, const char **name, |
| 787 | struct bt_field_class **out_fc) |
| 788 | { |
| 789 | struct bt_named_field_class *named_fc; |
| 790 | |
| 791 | BT_ASSERT(fc); |
| 792 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
| 793 | BT_ASSERT_PRE_NON_NULL(out_fc, "Field class (output)"); |
| 794 | BT_ASSERT_PRE_VALID_INDEX(index, fc->named_fcs->len); |
| 795 | named_fc = BT_FIELD_CLASS_NAMED_FC_AT_INDEX(fc, index); |
| 796 | *name = named_fc->name->str; |
| 797 | *out_fc = named_fc->fc; |
| 798 | } |
| 799 | |
| 800 | void bt_field_class_structure_borrow_member_by_index( |
| 801 | struct bt_field_class *fc, uint64_t index, |
| 802 | const char **name, struct bt_field_class **out_fc) |
| 803 | { |
| 804 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 805 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class"); |
| 806 | borrow_named_field_class_from_container_field_class_at_index((void *) fc, |
| 807 | index, name, out_fc); |
| 808 | } |
| 809 | |
| 810 | static |
| 811 | struct bt_field_class *borrow_field_class_from_container_field_class_by_name( |
| 812 | struct bt_field_class_named_field_class_container *fc, |
| 813 | const char *name) |
| 814 | { |
| 815 | struct bt_field_class *ret_fc = NULL; |
| 816 | struct bt_named_field_class *named_fc; |
| 817 | gpointer orig_key; |
| 818 | gpointer value; |
| 819 | |
| 820 | BT_ASSERT(fc); |
| 821 | BT_ASSERT_PRE_NON_NULL(name, "Name"); |
| 822 | if (!g_hash_table_lookup_extended(fc->name_to_index, name, &orig_key, |
| 823 | &value)) { |
| 824 | goto end; |
| 825 | } |
| 826 | |
| 827 | named_fc = BT_FIELD_CLASS_NAMED_FC_AT_INDEX(fc, |
| 828 | GPOINTER_TO_UINT(value)); |
| 829 | ret_fc = named_fc->fc; |
| 830 | |
| 831 | end: |
| 832 | return ret_fc; |
| 833 | } |
| 834 | |
| 835 | struct bt_field_class *bt_field_class_structure_borrow_member_field_class_by_name( |
| 836 | struct bt_field_class *fc, const char *name) |
| 837 | { |
| 838 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 839 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STRUCTURE, "Field class"); |
| 840 | return borrow_field_class_from_container_field_class_by_name((void *) fc, |
| 841 | name); |
| 842 | } |
| 843 | |
| 844 | static |
| 845 | void destroy_variant_field_class(struct bt_object *obj) |
| 846 | { |
| 847 | struct bt_field_class_variant *fc = (void *) obj; |
| 848 | |
| 849 | BT_ASSERT(fc); |
| 850 | BT_LIB_LOGD("Destroying variant field classe object: %!+F", fc); |
| 851 | finalize_named_field_classes_container((void *) fc); |
| 852 | BT_LOGD_STR("Putting selector field path."); |
| 853 | bt_put(fc->selector_field_path); |
| 854 | g_free(fc); |
| 855 | } |
| 856 | |
| 857 | struct bt_field_class *bt_field_class_variant_create(void) |
| 858 | { |
| 859 | int ret; |
| 860 | struct bt_field_class_variant *var_fc = NULL; |
| 861 | |
| 862 | BT_LOGD_STR("Creating default variant field classe object."); |
| 863 | var_fc = g_new0(struct bt_field_class_variant, 1); |
| 864 | if (!var_fc) { |
| 865 | BT_LOGE_STR("Failed to allocate one variant field classe."); |
| 866 | goto error; |
| 867 | } |
| 868 | |
| 869 | ret = init_named_field_classes_container((void *) var_fc, |
| 870 | BT_FIELD_CLASS_TYPE_VARIANT, destroy_variant_field_class); |
| 871 | if (ret) { |
| 872 | goto error; |
| 873 | } |
| 874 | |
| 875 | BT_LIB_LOGD("Created variant field classe object: %!+F", var_fc); |
| 876 | goto end; |
| 877 | |
| 878 | error: |
| 879 | BT_PUT(var_fc); |
| 880 | |
| 881 | end: |
| 882 | return (void *) var_fc; |
| 883 | } |
| 884 | |
| 885 | int bt_field_class_variant_set_selector_field_class( |
| 886 | struct bt_field_class *fc, struct bt_field_class *selector_fc) |
| 887 | { |
| 888 | struct bt_field_class_variant *var_fc = (void *) fc; |
| 889 | |
| 890 | BT_ASSERT_PRE_NON_NULL(fc, "Variant field classe"); |
| 891 | BT_ASSERT_PRE_NON_NULL(selector_fc, "Selector field classe"); |
| 892 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class"); |
| 893 | BT_ASSERT_PRE_FC_IS_ENUM(selector_fc, "Selector field classe"); |
| 894 | BT_ASSERT_PRE_FC_HOT(fc, "Variant field classe"); |
| 895 | var_fc->selector_fc = selector_fc; |
| 896 | bt_field_class_freeze(selector_fc); |
| 897 | return 0; |
| 898 | } |
| 899 | |
| 900 | int bt_field_class_variant_append_option(struct bt_field_class *fc, |
| 901 | const char *name, struct bt_field_class *option_fc) |
| 902 | { |
| 903 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 904 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class"); |
| 905 | return append_named_field_class_to_container_field_class((void *) fc, |
| 906 | name, option_fc); |
| 907 | } |
| 908 | |
| 909 | struct bt_field_class *bt_field_class_variant_borrow_option_field_class_by_name( |
| 910 | struct bt_field_class *fc, const char *name) |
| 911 | { |
| 912 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 913 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class"); |
| 914 | return borrow_field_class_from_container_field_class_by_name((void *) fc, |
| 915 | name); |
| 916 | } |
| 917 | |
| 918 | uint64_t bt_field_class_variant_get_option_count(struct bt_field_class *fc) |
| 919 | { |
| 920 | struct bt_field_class_variant *var_fc = (void *) fc; |
| 921 | |
| 922 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 923 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class"); |
| 924 | return (uint64_t) var_fc->common.named_fcs->len; |
| 925 | } |
| 926 | |
| 927 | void bt_field_class_variant_borrow_option_by_index( |
| 928 | struct bt_field_class *fc, uint64_t index, |
| 929 | const char **name, struct bt_field_class **out_fc) |
| 930 | { |
| 931 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 932 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, "Field class"); |
| 933 | borrow_named_field_class_from_container_field_class_at_index((void *) fc, |
| 934 | index, name, out_fc); |
| 935 | } |
| 936 | |
| 937 | struct bt_field_path *bt_field_class_variant_borrow_selector_field_path( |
| 938 | struct bt_field_class *fc) |
| 939 | { |
| 940 | struct bt_field_class_variant *var_fc = (void *) fc; |
| 941 | |
| 942 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 943 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_VARIANT, |
| 944 | "Field class"); |
| 945 | return var_fc->selector_field_path; |
| 946 | } |
| 947 | |
| 948 | static |
| 949 | void init_array_field_class(struct bt_field_class_array *fc, |
| 950 | enum bt_field_class_type type, bt_object_release_func release_func, |
| 951 | struct bt_field_class *element_fc) |
| 952 | { |
| 953 | BT_ASSERT(element_fc); |
| 954 | init_field_class((void *) fc, type, release_func); |
| 955 | fc->element_fc = bt_get(element_fc); |
| 956 | bt_field_class_freeze(element_fc); |
| 957 | } |
| 958 | |
| 959 | static |
| 960 | void finalize_array_field_class(struct bt_field_class_array *array_fc) |
| 961 | { |
| 962 | BT_ASSERT(array_fc); |
| 963 | BT_LOGD_STR("Putting element field classe."); |
| 964 | bt_put(array_fc->element_fc); |
| 965 | } |
| 966 | |
| 967 | static |
| 968 | void destroy_static_array_field_class(struct bt_object *obj) |
| 969 | { |
| 970 | BT_ASSERT(obj); |
| 971 | BT_LIB_LOGD("Destroying static array field classe object: %!+F", obj); |
| 972 | finalize_array_field_class((void *) obj); |
| 973 | g_free(obj); |
| 974 | } |
| 975 | |
| 976 | struct bt_field_class *bt_field_class_static_array_create( |
| 977 | struct bt_field_class *element_fc, uint64_t length) |
| 978 | { |
| 979 | struct bt_field_class_static_array *array_fc = NULL; |
| 980 | |
| 981 | BT_ASSERT_PRE_NON_NULL(element_fc, "Element field classe"); |
| 982 | BT_LOGD_STR("Creating default static array field classe object."); |
| 983 | array_fc = g_new0(struct bt_field_class_static_array, 1); |
| 984 | if (!array_fc) { |
| 985 | BT_LOGE_STR("Failed to allocate one static array field classe."); |
| 986 | goto error; |
| 987 | } |
| 988 | |
| 989 | init_array_field_class((void *) array_fc, BT_FIELD_CLASS_TYPE_STATIC_ARRAY, |
| 990 | destroy_static_array_field_class, element_fc); |
| 991 | array_fc->length = length; |
| 992 | BT_LIB_LOGD("Created static array field classe object: %!+F", array_fc); |
| 993 | goto end; |
| 994 | |
| 995 | error: |
| 996 | BT_PUT(array_fc); |
| 997 | |
| 998 | end: |
| 999 | return (void *) array_fc; |
| 1000 | } |
| 1001 | |
| 1002 | struct bt_field_class *bt_field_class_array_borrow_element_field_class( |
| 1003 | struct bt_field_class *fc) |
| 1004 | { |
| 1005 | struct bt_field_class_array *array_fc = (void *) fc; |
| 1006 | |
| 1007 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 1008 | BT_ASSERT_PRE_FC_IS_ARRAY(fc, "Field class"); |
| 1009 | return array_fc->element_fc; |
| 1010 | } |
| 1011 | |
| 1012 | uint64_t bt_field_class_static_array_get_length(struct bt_field_class *fc) |
| 1013 | { |
| 1014 | struct bt_field_class_static_array *array_fc = (void *) fc; |
| 1015 | |
| 1016 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 1017 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_STATIC_ARRAY, |
| 1018 | "Field class"); |
| 1019 | return (uint64_t) array_fc->length; |
| 1020 | } |
| 1021 | |
| 1022 | static |
| 1023 | void destroy_dynamic_array_field_class(struct bt_object *obj) |
| 1024 | { |
| 1025 | struct bt_field_class_dynamic_array *fc = (void *) obj; |
| 1026 | |
| 1027 | BT_ASSERT(fc); |
| 1028 | BT_LIB_LOGD("Destroying dynamic array field classe object: %!+F", fc); |
| 1029 | finalize_array_field_class((void *) fc); |
| 1030 | BT_LOGD_STR("Putting length field path."); |
| 1031 | bt_put(fc->length_field_path); |
| 1032 | g_free(fc); |
| 1033 | } |
| 1034 | |
| 1035 | struct bt_field_class *bt_field_class_dynamic_array_create( |
| 1036 | struct bt_field_class *element_fc) |
| 1037 | { |
| 1038 | struct bt_field_class_dynamic_array *array_fc = NULL; |
| 1039 | |
| 1040 | BT_ASSERT_PRE_NON_NULL(element_fc, "Element field classe"); |
| 1041 | BT_LOGD_STR("Creating default dynamic array field classe object."); |
| 1042 | array_fc = g_new0(struct bt_field_class_dynamic_array, 1); |
| 1043 | if (!array_fc) { |
| 1044 | BT_LOGE_STR("Failed to allocate one dynamic array field classe."); |
| 1045 | goto error; |
| 1046 | } |
| 1047 | |
| 1048 | init_array_field_class((void *) array_fc, BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY, |
| 1049 | destroy_dynamic_array_field_class, element_fc); |
| 1050 | BT_LIB_LOGD("Created dynamic array field classe object: %!+F", array_fc); |
| 1051 | goto end; |
| 1052 | |
| 1053 | error: |
| 1054 | BT_PUT(array_fc); |
| 1055 | |
| 1056 | end: |
| 1057 | return (void *) array_fc; |
| 1058 | } |
| 1059 | |
| 1060 | int bt_field_class_dynamic_array_set_length_field_class(struct bt_field_class *fc, |
| 1061 | struct bt_field_class *length_fc) |
| 1062 | { |
| 1063 | struct bt_field_class_dynamic_array *array_fc = (void *) fc; |
| 1064 | |
| 1065 | BT_ASSERT_PRE_NON_NULL(fc, "Dynamic array field classe"); |
| 1066 | BT_ASSERT_PRE_NON_NULL(length_fc, "Length field classe"); |
| 1067 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY, |
| 1068 | "Field class"); |
| 1069 | BT_ASSERT_PRE_FC_IS_UNSIGNED_INT(length_fc, "Length field classe"); |
| 1070 | BT_ASSERT_PRE_FC_HOT(fc, "Dynamic array field classe"); |
| 1071 | array_fc->length_fc = length_fc; |
| 1072 | bt_field_class_freeze(length_fc); |
| 1073 | return 0; |
| 1074 | } |
| 1075 | |
| 1076 | struct bt_field_path *bt_field_class_dynamic_array_borrow_length_field_path( |
| 1077 | struct bt_field_class *fc) |
| 1078 | { |
| 1079 | struct bt_field_class_dynamic_array *seq_fc = (void *) fc; |
| 1080 | |
| 1081 | BT_ASSERT_PRE_NON_NULL(fc, "Field class"); |
| 1082 | BT_ASSERT_PRE_FC_HAS_ID(fc, BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY, |
| 1083 | "Field class"); |
| 1084 | return seq_fc->length_field_path; |
| 1085 | } |
| 1086 | |
| 1087 | static |
| 1088 | void destroy_string_field_class(struct bt_object *obj) |
| 1089 | { |
| 1090 | BT_ASSERT(obj); |
| 1091 | BT_LIB_LOGD("Destroying string field classe object: %!+F", obj); |
| 1092 | g_free(obj); |
| 1093 | } |
| 1094 | |
| 1095 | struct bt_field_class *bt_field_class_string_create(void) |
| 1096 | { |
| 1097 | struct bt_field_class_string *string_fc = NULL; |
| 1098 | |
| 1099 | BT_LOGD_STR("Creating default string field classe object."); |
| 1100 | string_fc = g_new0(struct bt_field_class_string, 1); |
| 1101 | if (!string_fc) { |
| 1102 | BT_LOGE_STR("Failed to allocate one string field classe."); |
| 1103 | goto error; |
| 1104 | } |
| 1105 | |
| 1106 | init_field_class((void *) string_fc, BT_FIELD_CLASS_TYPE_STRING, |
| 1107 | destroy_string_field_class); |
| 1108 | BT_LIB_LOGD("Created string field classe object: %!+F", string_fc); |
| 1109 | goto end; |
| 1110 | |
| 1111 | error: |
| 1112 | BT_PUT(string_fc); |
| 1113 | |
| 1114 | end: |
| 1115 | return (void *) string_fc; |
| 1116 | } |
| 1117 | |
| 1118 | BT_HIDDEN |
| 1119 | void _bt_field_class_freeze(struct bt_field_class *fc) |
| 1120 | { |
| 1121 | /* |
| 1122 | * Element/member/option field classes are frozen when added to |
| 1123 | * their owner. |
| 1124 | */ |
| 1125 | BT_ASSERT(fc); |
| 1126 | fc->frozen = true; |
| 1127 | } |
| 1128 | |
| 1129 | BT_HIDDEN |
| 1130 | void _bt_field_class_make_part_of_trace(struct bt_field_class *fc) |
| 1131 | { |
| 1132 | BT_ASSERT(fc); |
| 1133 | BT_ASSERT_PRE(!fc->part_of_trace, |
| 1134 | "Field class is already part of a trace: %!+F", fc); |
| 1135 | fc->part_of_trace = true; |
| 1136 | |
| 1137 | switch (fc->type) { |
| 1138 | case BT_FIELD_CLASS_TYPE_STRUCTURE: |
| 1139 | case BT_FIELD_CLASS_TYPE_VARIANT: |
| 1140 | { |
| 1141 | struct bt_field_class_named_field_class_container *container_fc = |
| 1142 | (void *) fc; |
| 1143 | uint64_t i; |
| 1144 | |
| 1145 | for (i = 0; i < container_fc->named_fcs->len; i++) { |
| 1146 | struct bt_named_field_class *named_fc = |
| 1147 | BT_FIELD_CLASS_NAMED_FC_AT_INDEX( |
| 1148 | container_fc, i); |
| 1149 | |
| 1150 | bt_field_class_make_part_of_trace(named_fc->fc); |
| 1151 | } |
| 1152 | |
| 1153 | break; |
| 1154 | } |
| 1155 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: |
| 1156 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: |
| 1157 | { |
| 1158 | struct bt_field_class_array *array_fc = (void *) fc; |
| 1159 | |
| 1160 | bt_field_class_make_part_of_trace(array_fc->element_fc); |
| 1161 | break; |
| 1162 | } |
| 1163 | default: |
| 1164 | break; |
| 1165 | } |
| 1166 | } |