| 1 | /* |
| 2 | * clock-class.c |
| 3 | * |
| 4 | * Babeltrace CTF IR - Clock class |
| 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 "CLOCK-CLASS" |
| 30 | #include <babeltrace/lib-logging-internal.h> |
| 31 | |
| 32 | #include <babeltrace/ctf-ir/clock-class-internal.h> |
| 33 | #include <babeltrace/ctf-ir/utils.h> |
| 34 | #include <babeltrace/ref.h> |
| 35 | #include <babeltrace/compiler-internal.h> |
| 36 | #include <babeltrace/types.h> |
| 37 | #include <inttypes.h> |
| 38 | #include <babeltrace/object-internal.h> |
| 39 | |
| 40 | static |
| 41 | void bt_ctf_clock_class_destroy(struct bt_object *obj); |
| 42 | |
| 43 | BT_HIDDEN |
| 44 | bt_bool bt_ctf_clock_class_is_valid(struct bt_ctf_clock_class *clock_class) |
| 45 | { |
| 46 | return clock_class && clock_class->name; |
| 47 | } |
| 48 | |
| 49 | int bt_ctf_clock_class_set_name(struct bt_ctf_clock_class *clock_class, |
| 50 | const char *name) |
| 51 | { |
| 52 | int ret = 0; |
| 53 | |
| 54 | if (!clock_class) { |
| 55 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 56 | ret = -1; |
| 57 | goto end; |
| 58 | } |
| 59 | |
| 60 | if (clock_class->frozen) { |
| 61 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 62 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 63 | ret = -1; |
| 64 | goto end; |
| 65 | } |
| 66 | |
| 67 | if (bt_ctf_validate_identifier(name)) { |
| 68 | BT_LOGE("Clock class's name is not a valid CTF identifier: " |
| 69 | "addr=%p, name=\"%s\"", |
| 70 | clock_class, name); |
| 71 | ret = -1; |
| 72 | goto end; |
| 73 | } |
| 74 | |
| 75 | if (clock_class->name) { |
| 76 | g_string_assign(clock_class->name, name); |
| 77 | } else { |
| 78 | clock_class->name = g_string_new(name); |
| 79 | if (!clock_class->name) { |
| 80 | BT_LOGE_STR("Failed to allocate a GString."); |
| 81 | ret = -1; |
| 82 | goto end; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | BT_LOGV("Set clock class's name: addr=%p, name=\"%s\"", |
| 87 | clock_class, name); |
| 88 | |
| 89 | end: |
| 90 | return ret; |
| 91 | } |
| 92 | |
| 93 | struct bt_ctf_clock_class *bt_ctf_clock_class_create(const char *name) |
| 94 | { |
| 95 | int ret; |
| 96 | struct bt_ctf_clock_class *clock_class; |
| 97 | |
| 98 | BT_LOGD("Creating default clock class object: name=\"%s\"", |
| 99 | name); |
| 100 | clock_class = g_new0(struct bt_ctf_clock_class, 1); |
| 101 | if (!clock_class) { |
| 102 | BT_LOGE_STR("Failed to allocate one clock class."); |
| 103 | goto error; |
| 104 | } |
| 105 | |
| 106 | clock_class->precision = 1; |
| 107 | clock_class->frequency = 1000000000; |
| 108 | bt_object_init(clock_class, bt_ctf_clock_class_destroy); |
| 109 | |
| 110 | if (name) { |
| 111 | ret = bt_ctf_clock_class_set_name(clock_class, name); |
| 112 | if (ret) { |
| 113 | BT_LOGE("Cannot set clock class's name: " |
| 114 | "addr=%p, name=\"%s\"", |
| 115 | clock_class, name); |
| 116 | goto error; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | ret = bt_uuid_generate(clock_class->uuid); |
| 121 | if (ret) { |
| 122 | BT_LOGE_STR("Failed to generate a UUID."); |
| 123 | goto error; |
| 124 | } |
| 125 | |
| 126 | clock_class->uuid_set = 1; |
| 127 | BT_LOGD("Created clock class object: addr=%p, name=\"%s\"", |
| 128 | clock_class, name); |
| 129 | return clock_class; |
| 130 | error: |
| 131 | BT_PUT(clock_class); |
| 132 | return clock_class; |
| 133 | } |
| 134 | |
| 135 | const char *bt_ctf_clock_class_get_name(struct bt_ctf_clock_class *clock_class) |
| 136 | { |
| 137 | const char *ret = NULL; |
| 138 | |
| 139 | if (!clock_class) { |
| 140 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 141 | goto end; |
| 142 | } |
| 143 | |
| 144 | if (clock_class->name) { |
| 145 | ret = clock_class->name->str; |
| 146 | } |
| 147 | |
| 148 | end: |
| 149 | return ret; |
| 150 | } |
| 151 | |
| 152 | const char *bt_ctf_clock_class_get_description( |
| 153 | struct bt_ctf_clock_class *clock_class) |
| 154 | { |
| 155 | const char *ret = NULL; |
| 156 | |
| 157 | if (!clock_class) { |
| 158 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 159 | goto end; |
| 160 | } |
| 161 | |
| 162 | if (clock_class->description) { |
| 163 | ret = clock_class->description->str; |
| 164 | } |
| 165 | end: |
| 166 | return ret; |
| 167 | } |
| 168 | |
| 169 | int bt_ctf_clock_class_set_description(struct bt_ctf_clock_class *clock_class, |
| 170 | const char *desc) |
| 171 | { |
| 172 | int ret = 0; |
| 173 | |
| 174 | if (!clock_class || !desc) { |
| 175 | BT_LOGW("Invalid parameter: clock class or description is NULL: " |
| 176 | "clock-class-addr=%p, name=\"%s\", desc-addr=%p", |
| 177 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 178 | desc); |
| 179 | ret = -1; |
| 180 | goto end; |
| 181 | } |
| 182 | |
| 183 | if (clock_class->frozen) { |
| 184 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 185 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 186 | ret = -1; |
| 187 | goto end; |
| 188 | } |
| 189 | |
| 190 | clock_class->description = g_string_new(desc); |
| 191 | ret = clock_class->description ? 0 : -1; |
| 192 | BT_LOGV("Set clock class's description: addr=%p, " |
| 193 | "name=\"%s\", desc=\"%s\"", |
| 194 | clock_class, bt_ctf_clock_class_get_name(clock_class), desc); |
| 195 | end: |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | uint64_t bt_ctf_clock_class_get_frequency( |
| 200 | struct bt_ctf_clock_class *clock_class) |
| 201 | { |
| 202 | uint64_t ret = -1ULL; |
| 203 | |
| 204 | if (!clock_class) { |
| 205 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 206 | goto end; |
| 207 | } |
| 208 | |
| 209 | ret = clock_class->frequency; |
| 210 | end: |
| 211 | return ret; |
| 212 | } |
| 213 | |
| 214 | int bt_ctf_clock_class_set_frequency(struct bt_ctf_clock_class *clock_class, |
| 215 | uint64_t freq) |
| 216 | { |
| 217 | int ret = 0; |
| 218 | |
| 219 | if (!clock_class || freq == -1ULL) { |
| 220 | BT_LOGW("Invalid parameter: clock class is NULL or frequency is invalid: " |
| 221 | "addr=%p, name=\"%s\", freq=%" PRIu64, |
| 222 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 223 | freq); |
| 224 | ret = -1; |
| 225 | goto end; |
| 226 | } |
| 227 | |
| 228 | if (clock_class->frozen) { |
| 229 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 230 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 231 | ret = -1; |
| 232 | goto end; |
| 233 | } |
| 234 | |
| 235 | clock_class->frequency = freq; |
| 236 | BT_LOGV("Set clock class's frequency: addr=%p, name=\"%s\", freq=%" PRIu64, |
| 237 | clock_class, bt_ctf_clock_class_get_name(clock_class), freq); |
| 238 | end: |
| 239 | return ret; |
| 240 | } |
| 241 | |
| 242 | uint64_t bt_ctf_clock_class_get_precision(struct bt_ctf_clock_class *clock_class) |
| 243 | { |
| 244 | uint64_t ret = -1ULL; |
| 245 | |
| 246 | if (!clock_class) { |
| 247 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 248 | goto end; |
| 249 | } |
| 250 | |
| 251 | ret = clock_class->precision; |
| 252 | end: |
| 253 | return ret; |
| 254 | } |
| 255 | |
| 256 | int bt_ctf_clock_class_set_precision(struct bt_ctf_clock_class *clock_class, |
| 257 | uint64_t precision) |
| 258 | { |
| 259 | int ret = 0; |
| 260 | |
| 261 | if (!clock_class || precision == -1ULL) { |
| 262 | BT_LOGW("Invalid parameter: clock class is NULL or precision is invalid: " |
| 263 | "addr=%p, name=\"%s\", precision=%" PRIu64, |
| 264 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 265 | precision); |
| 266 | ret = -1; |
| 267 | goto end; |
| 268 | } |
| 269 | |
| 270 | if (clock_class->frozen) { |
| 271 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 272 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 273 | ret = -1; |
| 274 | goto end; |
| 275 | } |
| 276 | |
| 277 | clock_class->precision = precision; |
| 278 | BT_LOGV("Set clock class's precision: addr=%p, name=\"%s\", precision=%" PRIu64, |
| 279 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 280 | precision); |
| 281 | end: |
| 282 | return ret; |
| 283 | } |
| 284 | |
| 285 | int bt_ctf_clock_class_get_offset_s(struct bt_ctf_clock_class *clock_class, |
| 286 | int64_t *offset_s) |
| 287 | { |
| 288 | int ret = 0; |
| 289 | |
| 290 | if (!clock_class || !offset_s) { |
| 291 | BT_LOGW("Invalid parameter: clock class or offset pointer is NULL: " |
| 292 | "clock-class-addr=%p, name=\"%s\", offset-addr=%p", |
| 293 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 294 | offset_s); |
| 295 | ret = -1; |
| 296 | goto end; |
| 297 | } |
| 298 | |
| 299 | *offset_s = clock_class->offset_s; |
| 300 | end: |
| 301 | return ret; |
| 302 | } |
| 303 | |
| 304 | int bt_ctf_clock_class_set_offset_s(struct bt_ctf_clock_class *clock_class, |
| 305 | int64_t offset_s) |
| 306 | { |
| 307 | int ret = 0; |
| 308 | |
| 309 | if (!clock_class) { |
| 310 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 311 | ret = -1; |
| 312 | goto end; |
| 313 | } |
| 314 | |
| 315 | if (clock_class->frozen) { |
| 316 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 317 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 318 | ret = -1; |
| 319 | goto end; |
| 320 | } |
| 321 | |
| 322 | clock_class->offset_s = offset_s; |
| 323 | BT_LOGV("Set clock class's offset (seconds): " |
| 324 | "addr=%p, name=\"%s\", offset-s=%" PRId64, |
| 325 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 326 | offset_s); |
| 327 | end: |
| 328 | return ret; |
| 329 | } |
| 330 | |
| 331 | int bt_ctf_clock_class_get_offset_cycles(struct bt_ctf_clock_class *clock_class, |
| 332 | int64_t *offset) |
| 333 | { |
| 334 | int ret = 0; |
| 335 | |
| 336 | if (!clock_class || !offset) { |
| 337 | BT_LOGW("Invalid parameter: clock class or offset pointer is NULL: " |
| 338 | "clock-class-addr=%p, name=\"%s\", offset-addr=%p", |
| 339 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 340 | offset); |
| 341 | ret = -1; |
| 342 | goto end; |
| 343 | } |
| 344 | |
| 345 | *offset = clock_class->offset; |
| 346 | end: |
| 347 | return ret; |
| 348 | } |
| 349 | |
| 350 | int bt_ctf_clock_class_set_offset_cycles(struct bt_ctf_clock_class *clock_class, |
| 351 | int64_t offset) |
| 352 | { |
| 353 | int ret = 0; |
| 354 | |
| 355 | if (!clock_class) { |
| 356 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 357 | ret = -1; |
| 358 | goto end; |
| 359 | } |
| 360 | |
| 361 | if (clock_class->frozen) { |
| 362 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 363 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 364 | ret = -1; |
| 365 | goto end; |
| 366 | } |
| 367 | |
| 368 | clock_class->offset = offset; |
| 369 | BT_LOGV("Set clock class's offset (cycles): addr=%p, name=\"%s\", offset-cycles=%" PRId64, |
| 370 | clock_class, bt_ctf_clock_class_get_name(clock_class), offset); |
| 371 | end: |
| 372 | return ret; |
| 373 | } |
| 374 | |
| 375 | bt_bool bt_ctf_clock_class_is_absolute(struct bt_ctf_clock_class *clock_class) |
| 376 | { |
| 377 | int ret = -1; |
| 378 | |
| 379 | if (!clock_class) { |
| 380 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 381 | goto end; |
| 382 | } |
| 383 | |
| 384 | ret = clock_class->absolute; |
| 385 | end: |
| 386 | return ret; |
| 387 | } |
| 388 | |
| 389 | int bt_ctf_clock_class_set_is_absolute(struct bt_ctf_clock_class *clock_class, |
| 390 | bt_bool is_absolute) |
| 391 | { |
| 392 | int ret = 0; |
| 393 | |
| 394 | if (!clock_class) { |
| 395 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 396 | ret = -1; |
| 397 | goto end; |
| 398 | } |
| 399 | |
| 400 | if (clock_class->frozen) { |
| 401 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 402 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 403 | ret = -1; |
| 404 | goto end; |
| 405 | } |
| 406 | |
| 407 | clock_class->absolute = !!is_absolute; |
| 408 | BT_LOGV("Set clock class's absolute flag: addr=%p, name=\"%s\", is-absolute=%d", |
| 409 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 410 | is_absolute); |
| 411 | end: |
| 412 | return ret; |
| 413 | } |
| 414 | |
| 415 | const unsigned char *bt_ctf_clock_class_get_uuid( |
| 416 | struct bt_ctf_clock_class *clock_class) |
| 417 | { |
| 418 | const unsigned char *ret; |
| 419 | |
| 420 | if (!clock_class) { |
| 421 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 422 | ret = NULL; |
| 423 | goto end; |
| 424 | } |
| 425 | |
| 426 | if (!clock_class->uuid_set) { |
| 427 | BT_LOGV("Clock class's UUID is not set: addr=%p, name=\"%s\"", |
| 428 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 429 | ret = NULL; |
| 430 | goto end; |
| 431 | } |
| 432 | |
| 433 | ret = clock_class->uuid; |
| 434 | end: |
| 435 | return ret; |
| 436 | } |
| 437 | |
| 438 | int bt_ctf_clock_class_set_uuid(struct bt_ctf_clock_class *clock_class, |
| 439 | const unsigned char *uuid) |
| 440 | { |
| 441 | int ret = 0; |
| 442 | |
| 443 | if (!clock_class || !uuid) { |
| 444 | BT_LOGW("Invalid parameter: clock class or UUID is NULL: " |
| 445 | "clock-class-addr=%p, name=\"%s\", uuid-addr=%p", |
| 446 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 447 | uuid); |
| 448 | ret = -1; |
| 449 | goto end; |
| 450 | } |
| 451 | |
| 452 | if (clock_class->frozen) { |
| 453 | BT_LOGW("Invalid parameter: clock class is frozen: addr=%p, name=\"%s\"", |
| 454 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 455 | ret = -1; |
| 456 | goto end; |
| 457 | } |
| 458 | |
| 459 | memcpy(clock_class->uuid, uuid, sizeof(uuid_t)); |
| 460 | clock_class->uuid_set = 1; |
| 461 | BT_LOGV("Set clock class's UUID: addr=%p, name=\"%s\", " |
| 462 | "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"", |
| 463 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 464 | (unsigned int) uuid[0], |
| 465 | (unsigned int) uuid[1], |
| 466 | (unsigned int) uuid[2], |
| 467 | (unsigned int) uuid[3], |
| 468 | (unsigned int) uuid[4], |
| 469 | (unsigned int) uuid[5], |
| 470 | (unsigned int) uuid[6], |
| 471 | (unsigned int) uuid[7], |
| 472 | (unsigned int) uuid[8], |
| 473 | (unsigned int) uuid[9], |
| 474 | (unsigned int) uuid[10], |
| 475 | (unsigned int) uuid[11], |
| 476 | (unsigned int) uuid[12], |
| 477 | (unsigned int) uuid[13], |
| 478 | (unsigned int) uuid[14], |
| 479 | (unsigned int) uuid[15]); |
| 480 | end: |
| 481 | return ret; |
| 482 | } |
| 483 | |
| 484 | static uint64_t ns_from_value(uint64_t frequency, uint64_t value) |
| 485 | { |
| 486 | uint64_t ns; |
| 487 | |
| 488 | if (frequency == 1000000000) { |
| 489 | ns = value; |
| 490 | } else { |
| 491 | ns = (uint64_t) ((1e9 * (double) value) / (double) frequency); |
| 492 | } |
| 493 | |
| 494 | return ns; |
| 495 | } |
| 496 | |
| 497 | BT_HIDDEN |
| 498 | void bt_ctf_clock_class_freeze(struct bt_ctf_clock_class *clock_class) |
| 499 | { |
| 500 | if (!clock_class) { |
| 501 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 502 | return; |
| 503 | } |
| 504 | |
| 505 | if (!clock_class->frozen) { |
| 506 | BT_LOGD("Freezing clock class: addr=%p, name=\"%s\"", |
| 507 | clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 508 | clock_class->frozen = 1; |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | BT_HIDDEN |
| 513 | void bt_ctf_clock_class_serialize(struct bt_ctf_clock_class *clock_class, |
| 514 | struct metadata_context *context) |
| 515 | { |
| 516 | unsigned char *uuid; |
| 517 | |
| 518 | BT_LOGD("Serializing clock class's metadata: clock-class-addr=%p, " |
| 519 | "name=\"%s\", metadata-context-addr=%p", clock_class, |
| 520 | bt_ctf_clock_class_get_name(clock_class), context); |
| 521 | |
| 522 | if (!clock_class || !context) { |
| 523 | BT_LOGW("Invalid parameter: clock class or metadata context is NULL: " |
| 524 | "clock-class-addr=%p, name=\"%s\", metadata-context-addr=%p", |
| 525 | clock_class, bt_ctf_clock_class_get_name(clock_class), |
| 526 | context); |
| 527 | return; |
| 528 | } |
| 529 | |
| 530 | uuid = clock_class->uuid; |
| 531 | g_string_append(context->string, "clock {\n"); |
| 532 | g_string_append_printf(context->string, "\tname = %s;\n", |
| 533 | clock_class->name->str); |
| 534 | g_string_append_printf(context->string, |
| 535 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", |
| 536 | uuid[0], uuid[1], uuid[2], uuid[3], |
| 537 | uuid[4], uuid[5], uuid[6], uuid[7], |
| 538 | uuid[8], uuid[9], uuid[10], uuid[11], |
| 539 | uuid[12], uuid[13], uuid[14], uuid[15]); |
| 540 | if (clock_class->description) { |
| 541 | g_string_append_printf(context->string, "\tdescription = \"%s\";\n", |
| 542 | clock_class->description->str); |
| 543 | } |
| 544 | |
| 545 | g_string_append_printf(context->string, "\tfreq = %" PRIu64 ";\n", |
| 546 | clock_class->frequency); |
| 547 | g_string_append_printf(context->string, "\tprecision = %" PRIu64 ";\n", |
| 548 | clock_class->precision); |
| 549 | g_string_append_printf(context->string, "\toffset_s = %" PRIu64 ";\n", |
| 550 | clock_class->offset_s); |
| 551 | g_string_append_printf(context->string, "\toffset = %" PRIu64 ";\n", |
| 552 | clock_class->offset); |
| 553 | g_string_append_printf(context->string, "\tabsolute = %s;\n", |
| 554 | clock_class->absolute ? "TRUE" : "FALSE"); |
| 555 | g_string_append(context->string, "};\n\n"); |
| 556 | } |
| 557 | |
| 558 | static |
| 559 | void bt_ctf_clock_class_destroy(struct bt_object *obj) |
| 560 | { |
| 561 | struct bt_ctf_clock_class *clock_class; |
| 562 | |
| 563 | clock_class = container_of(obj, struct bt_ctf_clock_class, base); |
| 564 | BT_LOGD("Destroying clock class: addr=%p, name=\"%s\"", |
| 565 | obj, bt_ctf_clock_class_get_name(clock_class)); |
| 566 | if (clock_class->name) { |
| 567 | g_string_free(clock_class->name, TRUE); |
| 568 | } |
| 569 | if (clock_class->description) { |
| 570 | g_string_free(clock_class->description, TRUE); |
| 571 | } |
| 572 | |
| 573 | g_free(clock_class); |
| 574 | } |
| 575 | |
| 576 | static |
| 577 | void bt_ctf_clock_value_destroy(struct bt_object *obj) |
| 578 | { |
| 579 | struct bt_ctf_clock_value *value; |
| 580 | |
| 581 | if (!obj) { |
| 582 | return; |
| 583 | } |
| 584 | |
| 585 | value = container_of(obj, struct bt_ctf_clock_value, base); |
| 586 | BT_LOGD("Destroying clock value: addr=%p, clock-class-addr=%p, " |
| 587 | "clock-class-name=\"%s\"", obj, value->clock_class, |
| 588 | bt_ctf_clock_class_get_name(value->clock_class)); |
| 589 | bt_put(value->clock_class); |
| 590 | g_free(value); |
| 591 | } |
| 592 | |
| 593 | struct bt_ctf_clock_value *bt_ctf_clock_value_create( |
| 594 | struct bt_ctf_clock_class *clock_class, uint64_t value) |
| 595 | { |
| 596 | struct bt_ctf_clock_value *ret = NULL; |
| 597 | |
| 598 | BT_LOGD("Creating clock value object: clock-class-addr=%p, " |
| 599 | "clock-class-name=\"%s\", value=%" PRIu64, clock_class, |
| 600 | bt_ctf_clock_class_get_name(clock_class), value); |
| 601 | |
| 602 | if (!clock_class) { |
| 603 | BT_LOGW_STR("Invalid parameter: clock class is NULL."); |
| 604 | goto end; |
| 605 | } |
| 606 | |
| 607 | ret = g_new0(struct bt_ctf_clock_value, 1); |
| 608 | if (!ret) { |
| 609 | BT_LOGE_STR("Failed to allocate one clock value."); |
| 610 | goto end; |
| 611 | } |
| 612 | |
| 613 | bt_object_init(ret, bt_ctf_clock_value_destroy); |
| 614 | ret->clock_class = bt_get(clock_class); |
| 615 | ret->value = value; |
| 616 | BT_LOGD("Created clock value object: clock-value-addr=%p, " |
| 617 | "clock-class-addr=%p, clock-class-name=\"%s\"", |
| 618 | ret, clock_class, bt_ctf_clock_class_get_name(clock_class)); |
| 619 | end: |
| 620 | return ret; |
| 621 | } |
| 622 | |
| 623 | int bt_ctf_clock_value_get_value( |
| 624 | struct bt_ctf_clock_value *clock_value, uint64_t *raw_value) |
| 625 | { |
| 626 | int ret = 0; |
| 627 | |
| 628 | if (!clock_value || !raw_value) { |
| 629 | BT_LOGW("Invalid parameter: clock value or raw value is NULL: " |
| 630 | "clock-value-addr=%p, raw-value-addr=%p", |
| 631 | clock_value, raw_value); |
| 632 | ret = -1; |
| 633 | goto end; |
| 634 | } |
| 635 | |
| 636 | *raw_value = clock_value->value; |
| 637 | end: |
| 638 | return ret; |
| 639 | } |
| 640 | |
| 641 | int bt_ctf_clock_value_get_value_ns_from_epoch(struct bt_ctf_clock_value *value, |
| 642 | int64_t *ret_value_ns) |
| 643 | { |
| 644 | int ret = 0; |
| 645 | int64_t ns; |
| 646 | |
| 647 | if (!value || !ret_value_ns) { |
| 648 | BT_LOGW("Invalid parameter: clock value or return value pointer is NULL: " |
| 649 | "clock-value-addr=%p, ret-value-addr=%p", |
| 650 | value, ret_value_ns); |
| 651 | ret = -1; |
| 652 | goto end; |
| 653 | } |
| 654 | |
| 655 | /* Initialize nanosecond timestamp to clock's offset in seconds. */ |
| 656 | ns = value->clock_class->offset_s * (int64_t) 1000000000; |
| 657 | |
| 658 | /* Add offset in cycles, converted to nanoseconds. */ |
| 659 | ns += ns_from_value(value->clock_class->frequency, |
| 660 | value->clock_class->offset); |
| 661 | |
| 662 | /* Add given value, converter to nanoseconds. */ |
| 663 | ns += ns_from_value(value->clock_class->frequency, value->value); |
| 664 | |
| 665 | *ret_value_ns = ns; |
| 666 | end: |
| 667 | return ret; |
| 668 | } |
| 669 | |
| 670 | struct bt_ctf_clock_class *bt_ctf_clock_value_get_class( |
| 671 | struct bt_ctf_clock_value *clock_value) |
| 672 | { |
| 673 | struct bt_ctf_clock_class *clock_class = NULL; |
| 674 | |
| 675 | if (!clock_value) { |
| 676 | BT_LOGW_STR("Invalid parameter: clock value is NULL."); |
| 677 | goto end; |
| 678 | } |
| 679 | |
| 680 | clock_class = bt_get(clock_value->clock_class); |
| 681 | |
| 682 | end: |
| 683 | return clock_class; |
| 684 | } |