| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * Babeltrace CTF writer - Clock class |
| 7 | */ |
| 8 | |
| 9 | #define BT_LOG_TAG "CTF-WRITER/CLOCK-CLASS" |
| 10 | #include "logging.h" |
| 11 | |
| 12 | #include "common/uuid.h" |
| 13 | #include <babeltrace2-ctf-writer/utils.h> |
| 14 | #include <babeltrace2-ctf-writer/object.h> |
| 15 | #include "compat/compiler.h" |
| 16 | #include <babeltrace2/types.h> |
| 17 | #include "compat/string.h" |
| 18 | #include <stdbool.h> |
| 19 | #include <inttypes.h> |
| 20 | #include "common/assert.h" |
| 21 | |
| 22 | #include "assert-pre.h" |
| 23 | #include "clock-class.h" |
| 24 | #include "object.h" |
| 25 | |
| 26 | static |
| 27 | void bt_ctf_clock_class_destroy(struct bt_ctf_object *obj); |
| 28 | |
| 29 | bt_ctf_bool bt_ctf_clock_class_is_valid(struct bt_ctf_clock_class *clock_class) |
| 30 | { |
| 31 | return clock_class && clock_class->name; |
| 32 | } |
| 33 | |
| 34 | int bt_ctf_clock_class_set_name(struct bt_ctf_clock_class *clock_class, |
| 35 | const char *name) |
| 36 | { |
| 37 | int ret = 0; |
| 38 | |
| 39 | if (!clock_class) { |
| 40 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 41 | ret = -1; |
| 42 | goto end; |
| 43 | } |
| 44 | |
| 45 | if (clock_class->frozen) { |
| 46 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 47 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 48 | ret = -1; |
| 49 | goto end; |
| 50 | } |
| 51 | |
| 52 | if (!bt_ctf_identifier_is_valid(name)) { |
| 53 | BT_LOGW("Clock class's name is not a valid CTF identifier: " |
| 54 | "addr=%p, name=\"%s\"", |
| 55 | clock_class, name); |
| 56 | ret = -1; |
| 57 | goto end; |
| 58 | } |
| 59 | |
| 60 | if (clock_class->name) { |
| 61 | g_string_assign(clock_class->name, name); |
| 62 | } else { |
| 63 | clock_class->name = g_string_new(name); |
| 64 | if (!clock_class->name) { |
| 65 | BT_LOGE_STR("Failed to allocate a GString."); |
| 66 | ret = -1; |
| 67 | goto end; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | BT_LOGT("Set clock class's name: addr=%p, name=\"%s\"", |
| 72 | clock_class, name); |
| 73 | |
| 74 | end: |
| 75 | return ret; |
| 76 | } |
| 77 | |
| 78 | static |
| 79 | bool validate_freq(struct bt_ctf_clock_class *clock_class, |
| 80 | const char *name, uint64_t freq) |
| 81 | { |
| 82 | bool is_valid = true; |
| 83 | |
| 84 | if (freq == -1ULL || freq == 0) { |
| 85 | BT_LOGW("Invalid parameter: frequency is invalid: " |
| 86 | "addr=%p, name=\"%s\", freq=%" PRIu64, |
| 87 | clock_class, name, freq); |
| 88 | is_valid = false; |
| 89 | goto end; |
| 90 | } |
| 91 | |
| 92 | end: |
| 93 | return is_valid; |
| 94 | } |
| 95 | |
| 96 | struct bt_ctf_clock_class *bt_ctf_clock_class_create(const char *name, |
| 97 | uint64_t freq) |
| 98 | { |
| 99 | int ret; |
| 100 | struct bt_ctf_clock_class *clock_class = NULL; |
| 101 | |
| 102 | BT_LOGD("Creating default clock class object: name=\"%s\"", |
| 103 | name); |
| 104 | |
| 105 | if (!validate_freq(NULL, name, freq)) { |
| 106 | /* validate_freq() logs errors */ |
| 107 | goto error; |
| 108 | } |
| 109 | |
| 110 | clock_class = g_new0(struct bt_ctf_clock_class, 1); |
| 111 | if (!clock_class) { |
| 112 | BT_LOGE_STR("Failed to allocate one clock class."); |
| 113 | goto error; |
| 114 | } |
| 115 | |
| 116 | clock_class->precision = 1; |
| 117 | clock_class->frequency = freq; |
| 118 | bt_ctf_object_init_shared(&clock_class->base, bt_ctf_clock_class_destroy); |
| 119 | |
| 120 | if (name) { |
| 121 | ret = bt_ctf_clock_class_set_name(clock_class, name); |
| 122 | if (ret) { |
| 123 | /* bt_ctf_clock_class_set_name() logs errors */ |
| 124 | goto error; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | BT_LOGD("Created clock class object: addr=%p, name=\"%s\"", |
| 129 | clock_class, name); |
| 130 | return clock_class; |
| 131 | error: |
| 132 | BT_CTF_OBJECT_PUT_REF_AND_RESET(clock_class); |
| 133 | return clock_class; |
| 134 | } |
| 135 | |
| 136 | const char *bt_ctf_clock_class_get_name(struct bt_ctf_clock_class *clock_class) |
| 137 | { |
| 138 | const char *ret = NULL; |
| 139 | |
| 140 | if (!clock_class) { |
| 141 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 142 | goto end; |
| 143 | } |
| 144 | |
| 145 | if (clock_class->name) { |
| 146 | ret = clock_class->name->str; |
| 147 | } |
| 148 | |
| 149 | end: |
| 150 | return ret; |
| 151 | } |
| 152 | |
| 153 | const char *bt_ctf_clock_class_get_description( |
| 154 | struct bt_ctf_clock_class *clock_class) |
| 155 | { |
| 156 | const char *ret = NULL; |
| 157 | |
| 158 | if (!clock_class) { |
| 159 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 160 | goto end; |
| 161 | } |
| 162 | |
| 163 | if (clock_class->description) { |
| 164 | ret = clock_class->description->str; |
| 165 | } |
| 166 | end: |
| 167 | return ret; |
| 168 | } |
| 169 | |
| 170 | int bt_ctf_clock_class_set_description(struct bt_ctf_clock_class *clock_class, |
| 171 | const char *desc) |
| 172 | { |
| 173 | int ret = 0; |
| 174 | |
| 175 | if (!clock_class || !desc) { |
| 176 | BT_LOGW("Invalid parameter: clock class or description is NULL: " |
| 177 | "clock-class-addr=%p, name=\"%s\", desc-addr=%p", |
| 178 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 179 | desc); |
| 180 | ret = -1; |
| 181 | goto end; |
| 182 | } |
| 183 | |
| 184 | if (clock_class->frozen) { |
| 185 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 186 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 187 | ret = -1; |
| 188 | goto end; |
| 189 | } |
| 190 | |
| 191 | clock_class->description = g_string_new(desc); |
| 192 | ret = clock_class->description ? 0 : -1; |
| 193 | BT_LOGT("Set clock class's description: addr=%p, " |
| 194 | "name=\"%s\", desc=\"%s\"", |
| 195 | clock_class, bt_ctf_clock_class_get_name(clock_class), desc); |
| 196 | end: |
| 197 | return ret; |
| 198 | } |
| 199 | |
| 200 | uint64_t bt_ctf_clock_class_get_frequency( |
| 201 | struct bt_ctf_clock_class *clock_class) |
| 202 | { |
| 203 | uint64_t ret = -1ULL; |
| 204 | |
| 205 | if (!clock_class) { |
| 206 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 207 | goto end; |
| 208 | } |
| 209 | |
| 210 | ret = clock_class->frequency; |
| 211 | end: |
| 212 | return ret; |
| 213 | } |
| 214 | |
| 215 | int bt_ctf_clock_class_set_frequency(struct bt_ctf_clock_class *clock_class, |
| 216 | uint64_t freq) |
| 217 | { |
| 218 | int ret = 0; |
| 219 | |
| 220 | if (!clock_class) { |
| 221 | BT_LOGW("Invalid parameter: clock class is NULL or frequency is invalid: " |
| 222 | "addr=%p, name=\"%s\"", |
| 223 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 224 | ret = -1; |
| 225 | goto end; |
| 226 | } |
| 227 | |
| 228 | if (!validate_freq(clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 229 | freq)) { |
| 230 | /* validate_freq() logs errors */ |
| 231 | goto end; |
| 232 | } |
| 233 | |
| 234 | if (clock_class->frozen) { |
| 235 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 236 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 237 | ret = -1; |
| 238 | goto end; |
| 239 | } |
| 240 | |
| 241 | clock_class->frequency = freq; |
| 242 | BT_LOGT("Set clock class's frequency: addr=%p, name=\"%s\", freq=%" PRIu64, |
| 243 | clock_class, bt_ctf_clock_class_get_name(clock_class), freq); |
| 244 | end: |
| 245 | return ret; |
| 246 | } |
| 247 | |
| 248 | uint64_t bt_ctf_clock_class_get_precision(struct bt_ctf_clock_class *clock_class) |
| 249 | { |
| 250 | uint64_t ret = -1ULL; |
| 251 | |
| 252 | if (!clock_class) { |
| 253 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 254 | goto end; |
| 255 | } |
| 256 | |
| 257 | ret = clock_class->precision; |
| 258 | end: |
| 259 | return ret; |
| 260 | } |
| 261 | |
| 262 | int bt_ctf_clock_class_set_precision(struct bt_ctf_clock_class *clock_class, |
| 263 | uint64_t precision) |
| 264 | { |
| 265 | int ret = 0; |
| 266 | |
| 267 | if (!clock_class || precision == -1ULL) { |
| 268 | BT_LOGW("Invalid parameter: clock class is NULL or precision is invalid: " |
| 269 | "addr=%p, name=\"%s\", precision=%" PRIu64, |
| 270 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 271 | precision); |
| 272 | ret = -1; |
| 273 | goto end; |
| 274 | } |
| 275 | |
| 276 | if (clock_class->frozen) { |
| 277 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 278 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 279 | ret = -1; |
| 280 | goto end; |
| 281 | } |
| 282 | |
| 283 | clock_class->precision = precision; |
| 284 | BT_LOGT("Set clock class's precision: addr=%p, name=\"%s\", precision=%" PRIu64, |
| 285 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 286 | precision); |
| 287 | end: |
| 288 | return ret; |
| 289 | } |
| 290 | |
| 291 | int bt_ctf_clock_class_get_offset_s(struct bt_ctf_clock_class *clock_class, |
| 292 | int64_t *offset_s) |
| 293 | { |
| 294 | int ret = 0; |
| 295 | |
| 296 | if (!clock_class || !offset_s) { |
| 297 | BT_LOGW("Invalid parameter: clock class or offset pointer is NULL: " |
| 298 | "clock-class-addr=%p, name=\"%s\", offset-addr=%p", |
| 299 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 300 | offset_s); |
| 301 | ret = -1; |
| 302 | goto end; |
| 303 | } |
| 304 | |
| 305 | *offset_s = clock_class->offset_s; |
| 306 | end: |
| 307 | return ret; |
| 308 | } |
| 309 | |
| 310 | int bt_ctf_clock_class_set_offset_s(struct bt_ctf_clock_class *clock_class, |
| 311 | int64_t offset_s) |
| 312 | { |
| 313 | int ret = 0; |
| 314 | |
| 315 | if (!clock_class) { |
| 316 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 317 | ret = -1; |
| 318 | goto end; |
| 319 | } |
| 320 | |
| 321 | if (clock_class->frozen) { |
| 322 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 323 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 324 | ret = -1; |
| 325 | goto end; |
| 326 | } |
| 327 | |
| 328 | clock_class->offset_s = offset_s; |
| 329 | BT_LOGT("Set clock class's offset (seconds): " |
| 330 | "addr=%p, name=\"%s\", offset-s=%" PRId64, |
| 331 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 332 | offset_s); |
| 333 | end: |
| 334 | return ret; |
| 335 | } |
| 336 | |
| 337 | int bt_ctf_clock_class_get_offset_cycles(struct bt_ctf_clock_class *clock_class, |
| 338 | int64_t *offset) |
| 339 | { |
| 340 | int ret = 0; |
| 341 | |
| 342 | if (!clock_class || !offset) { |
| 343 | BT_LOGW("Invalid parameter: clock class or offset pointer is NULL: " |
| 344 | "clock-class-addr=%p, name=\"%s\", offset-addr=%p", |
| 345 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 346 | offset); |
| 347 | ret = -1; |
| 348 | goto end; |
| 349 | } |
| 350 | |
| 351 | *offset = clock_class->offset; |
| 352 | end: |
| 353 | return ret; |
| 354 | } |
| 355 | |
| 356 | int bt_ctf_clock_class_set_offset_cycles(struct bt_ctf_clock_class *clock_class, |
| 357 | int64_t offset) |
| 358 | { |
| 359 | int ret = 0; |
| 360 | |
| 361 | if (!clock_class) { |
| 362 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 363 | ret = -1; |
| 364 | goto end; |
| 365 | } |
| 366 | |
| 367 | if (clock_class->frozen) { |
| 368 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 369 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 370 | ret = -1; |
| 371 | goto end; |
| 372 | } |
| 373 | |
| 374 | clock_class->offset = offset; |
| 375 | BT_LOGT("Set clock class's offset (cycles): addr=%p, name=\"%s\", offset-cycles=%" PRId64, |
| 376 | clock_class, bt_ctf_clock_class_get_name(clock_class), offset); |
| 377 | end: |
| 378 | return ret; |
| 379 | } |
| 380 | |
| 381 | bt_ctf_bool bt_ctf_clock_class_is_absolute(struct bt_ctf_clock_class *clock_class) |
| 382 | { |
| 383 | int ret = -1; |
| 384 | |
| 385 | if (!clock_class) { |
| 386 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 387 | goto end; |
| 388 | } |
| 389 | |
| 390 | ret = clock_class->absolute; |
| 391 | end: |
| 392 | return ret; |
| 393 | } |
| 394 | |
| 395 | int bt_ctf_clock_class_set_is_absolute(struct bt_ctf_clock_class *clock_class, |
| 396 | bt_ctf_bool is_absolute) |
| 397 | { |
| 398 | int ret = 0; |
| 399 | |
| 400 | if (!clock_class) { |
| 401 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 402 | ret = -1; |
| 403 | goto end; |
| 404 | } |
| 405 | |
| 406 | if (clock_class->frozen) { |
| 407 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 408 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 409 | ret = -1; |
| 410 | goto end; |
| 411 | } |
| 412 | |
| 413 | clock_class->absolute = !!is_absolute; |
| 414 | BT_LOGT("Set clock class's absolute flag: addr=%p, name=\"%s\", is-absolute=%d", |
| 415 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 416 | is_absolute); |
| 417 | end: |
| 418 | return ret; |
| 419 | } |
| 420 | |
| 421 | const uint8_t *bt_ctf_clock_class_get_uuid( |
| 422 | struct bt_ctf_clock_class *clock_class) |
| 423 | { |
| 424 | const uint8_t *ret; |
| 425 | |
| 426 | if (!clock_class) { |
| 427 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 428 | ret = NULL; |
| 429 | goto end; |
| 430 | } |
| 431 | |
| 432 | if (!clock_class->uuid_set) { |
| 433 | BT_LOGT("Clock class's UUID is not set: addr=%p, name=\"%s\"", |
| 434 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 435 | ret = NULL; |
| 436 | goto end; |
| 437 | } |
| 438 | |
| 439 | ret = clock_class->uuid; |
| 440 | end: |
| 441 | return ret; |
| 442 | } |
| 443 | |
| 444 | int bt_ctf_clock_class_set_uuid(struct bt_ctf_clock_class *clock_class, |
| 445 | const uint8_t *uuid) |
| 446 | { |
| 447 | int ret = 0; |
| 448 | |
| 449 | if (!clock_class || !uuid) { |
| 450 | BT_LOGW("Invalid parameter: clock class or UUID is NULL: " |
| 451 | "clock-class-addr=%p, name=\"%s\", uuid-addr=%p", |
| 452 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 453 | uuid); |
| 454 | ret = -1; |
| 455 | goto end; |
| 456 | } |
| 457 | |
| 458 | if (clock_class->frozen) { |
| 459 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 460 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 461 | ret = -1; |
| 462 | goto end; |
| 463 | } |
| 464 | |
| 465 | bt_uuid_copy(clock_class->uuid, uuid); |
| 466 | clock_class->uuid_set = 1; |
| 467 | BT_LOGT("Set clock class's UUID: addr=%p, name=\"%s\", uuid=\"" BT_UUID_FMT "\"", |
| 468 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 469 | BT_UUID_FMT_VALUES(uuid)); |
| 470 | end: |
| 471 | return ret; |
| 472 | } |
| 473 | |
| 474 | void bt_ctf_clock_class_freeze(struct bt_ctf_clock_class *clock_class) |
| 475 | { |
| 476 | if (!clock_class || clock_class->frozen) { |
| 477 | return; |
| 478 | } |
| 479 | |
| 480 | BT_LOGD("Freezing clock class: addr=%p, name=\"%s\"", |
| 481 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 482 | clock_class->frozen = 1; |
| 483 | } |
| 484 | |
| 485 | static |
| 486 | void bt_ctf_clock_class_destroy(struct bt_ctf_object *obj) |
| 487 | { |
| 488 | struct bt_ctf_clock_class *clock_class; |
| 489 | |
| 490 | clock_class = container_of(obj, struct bt_ctf_clock_class, base); |
| 491 | BT_LOGD("Destroying clock class: addr=%p, name=\"%s\"", |
| 492 | obj, bt_ctf_clock_class_get_name(clock_class)); |
| 493 | |
| 494 | if (clock_class->name) { |
| 495 | g_string_free(clock_class->name, TRUE); |
| 496 | } |
| 497 | |
| 498 | if (clock_class->description) { |
| 499 | g_string_free(clock_class->description, TRUE); |
| 500 | } |
| 501 | |
| 502 | g_free(clock_class); |
| 503 | } |
| 504 | |
| 505 | int bt_ctf_clock_class_compare(struct bt_ctf_clock_class *clock_class_a, |
| 506 | struct bt_ctf_clock_class *clock_class_b) |
| 507 | { |
| 508 | int ret = 1; |
| 509 | BT_ASSERT_DBG(clock_class_a); |
| 510 | BT_ASSERT_DBG(clock_class_b); |
| 511 | |
| 512 | /* Name */ |
| 513 | if (strcmp(clock_class_a->name->str, clock_class_b->name->str) != 0) { |
| 514 | BT_LOGT("Clock classes differ: different names: " |
| 515 | "cc-a-name=\"%s\", cc-b-name=\"%s\"", |
| 516 | clock_class_a->name->str, |
| 517 | clock_class_b->name->str); |
| 518 | goto end; |
| 519 | } |
| 520 | |
| 521 | /* Description */ |
| 522 | if (clock_class_a->description) { |
| 523 | if (!clock_class_b->description) { |
| 524 | BT_LOGT_STR("Clock classes differ: clock class A has a " |
| 525 | "description, but clock class B does not."); |
| 526 | goto end; |
| 527 | } |
| 528 | |
| 529 | if (strcmp(clock_class_a->name->str, clock_class_b->name->str) |
| 530 | != 0) { |
| 531 | BT_LOGT("Clock classes differ: different descriptions: " |
| 532 | "cc-a-descr=\"%s\", cc-b-descr=\"%s\"", |
| 533 | clock_class_a->description->str, |
| 534 | clock_class_b->description->str); |
| 535 | goto end; |
| 536 | } |
| 537 | } else { |
| 538 | if (clock_class_b->description) { |
| 539 | BT_LOGT_STR("Clock classes differ: clock class A has " |
| 540 | "no description, but clock class B has one."); |
| 541 | goto end; |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | /* Frequency */ |
| 546 | if (clock_class_a->frequency != clock_class_b->frequency) { |
| 547 | BT_LOGT("Clock classes differ: different frequencies: " |
| 548 | "cc-a-freq=%" PRIu64 ", cc-b-freq=%" PRIu64, |
| 549 | clock_class_a->frequency, |
| 550 | clock_class_b->frequency); |
| 551 | goto end; |
| 552 | } |
| 553 | |
| 554 | /* Precision */ |
| 555 | if (clock_class_a->precision != clock_class_b->precision) { |
| 556 | BT_LOGT("Clock classes differ: different precisions: " |
| 557 | "cc-a-freq=%" PRIu64 ", cc-b-freq=%" PRIu64, |
| 558 | clock_class_a->precision, |
| 559 | clock_class_b->precision); |
| 560 | goto end; |
| 561 | } |
| 562 | |
| 563 | /* Offset (seconds) */ |
| 564 | if (clock_class_a->offset_s != clock_class_b->offset_s) { |
| 565 | BT_LOGT("Clock classes differ: different offsets (seconds): " |
| 566 | "cc-a-offset-s=%" PRId64 ", cc-b-offset-s=%" PRId64, |
| 567 | clock_class_a->offset_s, |
| 568 | clock_class_b->offset_s); |
| 569 | goto end; |
| 570 | } |
| 571 | |
| 572 | /* Offset (cycles) */ |
| 573 | if (clock_class_a->offset != clock_class_b->offset) { |
| 574 | BT_LOGT("Clock classes differ: different offsets (cycles): " |
| 575 | "cc-a-offset-s=%" PRId64 ", cc-b-offset-s=%" PRId64, |
| 576 | clock_class_a->offset, |
| 577 | clock_class_b->offset); |
| 578 | goto end; |
| 579 | } |
| 580 | |
| 581 | /* UUIDs */ |
| 582 | if (clock_class_a->uuid_set) { |
| 583 | if (!clock_class_b->uuid_set) { |
| 584 | BT_LOGT_STR("Clock classes differ: clock class A has a " |
| 585 | "UUID, but clock class B does not."); |
| 586 | goto end; |
| 587 | } |
| 588 | |
| 589 | if (bt_uuid_compare(clock_class_a->uuid, clock_class_b->uuid) != 0) { |
| 590 | BT_LOGT("Clock classes differ: different UUIDs: " |
| 591 | "cc-a-uuid=\"" BT_UUID_FMT "\", " |
| 592 | "cc-b-uuid=\"" BT_UUID_FMT "\"", |
| 593 | BT_UUID_FMT_VALUES(clock_class_a->uuid), |
| 594 | BT_UUID_FMT_VALUES(clock_class_b->uuid)); |
| 595 | goto end; |
| 596 | } |
| 597 | } else { |
| 598 | if (clock_class_b->uuid_set) { |
| 599 | BT_LOGT_STR("Clock classes differ: clock class A has " |
| 600 | "no UUID, but clock class B has one."); |
| 601 | goto end; |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | /* Absolute */ |
| 606 | if (!!clock_class_a->absolute != !!clock_class_b->absolute) { |
| 607 | BT_LOGT("Clock classes differ: one is absolute, the other " |
| 608 | "is not: cc-a-is-absolute=%d, cc-b-is-absolute=%d", |
| 609 | !!clock_class_a->absolute, |
| 610 | !!clock_class_b->absolute); |
| 611 | goto end; |
| 612 | } |
| 613 | |
| 614 | /* Equal */ |
| 615 | ret = 0; |
| 616 | |
| 617 | end: |
| 618 | return ret; |
| 619 | } |