| 1 | #ifndef BABELTRACE_CTFSER_INTERNAL_H |
| 2 | #define BABELTRACE_CTFSER_INTERNAL_H |
| 3 | |
| 4 | /* |
| 5 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
| 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 7 | * Copyright 2017-2019 Philippe Proulx <pproulx@efficios.com> |
| 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 10 | * of this software and associated documentation files (the "Software"), to deal |
| 11 | * in the Software without restriction, including without limitation the rights |
| 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 13 | * copies of the Software, and to permit persons to whom the Software is |
| 14 | * furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | * |
| 27 | * The Common Trace Format (CTF) Specification is available at |
| 28 | * http://www.efficios.com/ctf |
| 29 | */ |
| 30 | |
| 31 | #include <stdbool.h> |
| 32 | #include <stdlib.h> |
| 33 | #include <stdint.h> |
| 34 | #include <limits.h> |
| 35 | #include "compat/mman.h" |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/stat.h> |
| 38 | #include <fcntl.h> |
| 39 | #include "common/align.h" |
| 40 | #include "compat/endian.h" |
| 41 | #include "common/common.h" |
| 42 | #include "common/mmap-align.h" |
| 43 | #include <babeltrace2/types.h> |
| 44 | #include "common/assert.h" |
| 45 | #include "common/macros.h" |
| 46 | #include "compat/bitfield.h" |
| 47 | #include <glib.h> |
| 48 | |
| 49 | struct bt_ctfser { |
| 50 | /* Stream file's descriptor */ |
| 51 | int fd; |
| 52 | |
| 53 | /* Offset (bytes) of memory map (current packet) in the stream file */ |
| 54 | off_t mmap_offset; |
| 55 | |
| 56 | /* Offset (bytes) of packet's first byte in the memory map */ |
| 57 | off_t mmap_base_offset; |
| 58 | |
| 59 | /* Current offset (bits) within current packet */ |
| 60 | uint64_t offset_in_cur_packet_bits; |
| 61 | |
| 62 | /* Current packet size (bytes) */ |
| 63 | uint64_t cur_packet_size_bytes; |
| 64 | |
| 65 | /* Previous packet size (bytes) */ |
| 66 | uint64_t prev_packet_size_bytes; |
| 67 | |
| 68 | /* Current stream size (bytes) */ |
| 69 | uint64_t stream_size_bytes; |
| 70 | |
| 71 | /* Memory map base address */ |
| 72 | struct mmap_align *base_mma; |
| 73 | |
| 74 | /* Stream file's path (for debugging) */ |
| 75 | GString *path; |
| 76 | |
| 77 | /* Serializer's log level */ |
| 78 | int log_level; |
| 79 | }; |
| 80 | |
| 81 | /* |
| 82 | * Initializes a CTF serializer. |
| 83 | * |
| 84 | * This function opens the file `path` for writing. |
| 85 | */ |
| 86 | BT_HIDDEN |
| 87 | int bt_ctfser_init(struct bt_ctfser *ctfser, const char *path, |
| 88 | int log_level); |
| 89 | |
| 90 | /* |
| 91 | * Finalizes a CTF serializer. |
| 92 | * |
| 93 | * This function truncates the stream file so that there's no extra |
| 94 | * padding after the last packet, and then closes the file. |
| 95 | */ |
| 96 | BT_HIDDEN |
| 97 | int bt_ctfser_fini(struct bt_ctfser *ctfser); |
| 98 | |
| 99 | /* |
| 100 | * Opens a new packet. |
| 101 | * |
| 102 | * All the next writing functions are performed within this new packet. |
| 103 | */ |
| 104 | BT_HIDDEN |
| 105 | int bt_ctfser_open_packet(struct bt_ctfser *ctfser); |
| 106 | |
| 107 | /* |
| 108 | * Closes the current packet, making its size `packet_size_bytes`. |
| 109 | */ |
| 110 | BT_HIDDEN |
| 111 | void bt_ctfser_close_current_packet(struct bt_ctfser *ctfser, |
| 112 | uint64_t packet_size_bytes); |
| 113 | |
| 114 | BT_HIDDEN |
| 115 | int _bt_ctfser_increase_cur_packet_size(struct bt_ctfser *ctfser); |
| 116 | |
| 117 | static inline |
| 118 | uint64_t _bt_ctfser_cur_packet_size_bits(struct bt_ctfser *ctfser) |
| 119 | { |
| 120 | return ctfser->cur_packet_size_bytes * 8; |
| 121 | } |
| 122 | |
| 123 | static inline |
| 124 | uint64_t _bt_ctfser_prev_packet_size_bits(struct bt_ctfser *ctfser) |
| 125 | { |
| 126 | return ctfser->prev_packet_size_bytes * 8; |
| 127 | } |
| 128 | |
| 129 | static inline |
| 130 | uint64_t _bt_ctfser_offset_bytes(struct bt_ctfser *ctfser) |
| 131 | { |
| 132 | return ctfser->offset_in_cur_packet_bits / 8; |
| 133 | } |
| 134 | |
| 135 | static inline |
| 136 | uint8_t *_bt_ctfser_get_addr(struct bt_ctfser *ctfser) |
| 137 | { |
| 138 | /* Only makes sense to get the address after aligning on byte */ |
| 139 | BT_ASSERT_DBG(ctfser->offset_in_cur_packet_bits % 8 == 0); |
| 140 | return ((uint8_t *) mmap_align_addr(ctfser->base_mma)) + |
| 141 | ctfser->mmap_base_offset + _bt_ctfser_offset_bytes(ctfser); |
| 142 | } |
| 143 | |
| 144 | static inline |
| 145 | bool _bt_ctfser_has_space_left(struct bt_ctfser *ctfser, uint64_t size_bits) |
| 146 | { |
| 147 | bool has_space_left = true; |
| 148 | |
| 149 | if (G_UNLIKELY((ctfser->offset_in_cur_packet_bits + size_bits > |
| 150 | _bt_ctfser_cur_packet_size_bits(ctfser)))) { |
| 151 | has_space_left = false; |
| 152 | goto end; |
| 153 | } |
| 154 | |
| 155 | if (G_UNLIKELY(size_bits > UINT64_MAX - ctfser->offset_in_cur_packet_bits)) { |
| 156 | has_space_left = false; |
| 157 | goto end; |
| 158 | } |
| 159 | |
| 160 | end: |
| 161 | return has_space_left; |
| 162 | } |
| 163 | |
| 164 | static inline |
| 165 | void _bt_ctfser_incr_offset(struct bt_ctfser *ctfser, uint64_t size_bits) |
| 166 | { |
| 167 | BT_ASSERT_DBG(_bt_ctfser_has_space_left(ctfser, size_bits)); |
| 168 | ctfser->offset_in_cur_packet_bits += size_bits; |
| 169 | } |
| 170 | |
| 171 | /* |
| 172 | * Aligns the current offset within the current packet to |
| 173 | * `alignment_bits` bits (power of two, > 0). |
| 174 | */ |
| 175 | static inline |
| 176 | int bt_ctfser_align_offset_in_current_packet(struct bt_ctfser *ctfser, |
| 177 | uint64_t alignment_bits) |
| 178 | { |
| 179 | int ret = 0; |
| 180 | uint64_t align_size_bits; |
| 181 | |
| 182 | BT_ASSERT_DBG(alignment_bits > 0); |
| 183 | align_size_bits = ALIGN(ctfser->offset_in_cur_packet_bits, |
| 184 | alignment_bits) - ctfser->offset_in_cur_packet_bits; |
| 185 | |
| 186 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, align_size_bits))) { |
| 187 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
| 188 | if (G_UNLIKELY(ret)) { |
| 189 | goto end; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | _bt_ctfser_incr_offset(ctfser, align_size_bits); |
| 194 | |
| 195 | end: |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | static inline |
| 200 | int _bt_ctfser_write_byte_aligned_unsigned_int_no_align( |
| 201 | struct bt_ctfser *ctfser, uint64_t value, |
| 202 | unsigned int size_bits, int byte_order) |
| 203 | { |
| 204 | int ret = 0; |
| 205 | |
| 206 | /* Reverse byte order? */ |
| 207 | bool rbo = byte_order != BYTE_ORDER; |
| 208 | |
| 209 | BT_ASSERT_DBG(size_bits % 8 == 0); |
| 210 | BT_ASSERT_DBG(_bt_ctfser_has_space_left(ctfser, size_bits)); |
| 211 | |
| 212 | switch (size_bits) { |
| 213 | case 8: |
| 214 | { |
| 215 | uint8_t v = (uint8_t) value; |
| 216 | |
| 217 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 218 | break; |
| 219 | } |
| 220 | case 16: |
| 221 | { |
| 222 | uint16_t v = (uint16_t) value; |
| 223 | |
| 224 | if (rbo) { |
| 225 | v = GUINT16_SWAP_LE_BE(v); |
| 226 | } |
| 227 | |
| 228 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 229 | break; |
| 230 | } |
| 231 | case 32: |
| 232 | { |
| 233 | uint32_t v = (uint32_t) value; |
| 234 | |
| 235 | if (rbo) { |
| 236 | v = GUINT32_SWAP_LE_BE(v); |
| 237 | } |
| 238 | |
| 239 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 240 | break; |
| 241 | } |
| 242 | case 64: |
| 243 | { |
| 244 | uint64_t v = (uint64_t) value; |
| 245 | |
| 246 | if (rbo) { |
| 247 | v = GUINT64_SWAP_LE_BE(v); |
| 248 | } |
| 249 | |
| 250 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 251 | break; |
| 252 | } |
| 253 | default: |
| 254 | bt_common_abort(); |
| 255 | } |
| 256 | |
| 257 | _bt_ctfser_incr_offset(ctfser, size_bits); |
| 258 | return ret; |
| 259 | } |
| 260 | |
| 261 | static inline |
| 262 | int _bt_ctfser_write_byte_aligned_signed_int_no_align( |
| 263 | struct bt_ctfser *ctfser, int64_t value, |
| 264 | unsigned int size_bits, int byte_order) |
| 265 | { |
| 266 | int ret = 0; |
| 267 | |
| 268 | /* Reverse byte order? */ |
| 269 | bool rbo = byte_order != BYTE_ORDER; |
| 270 | |
| 271 | BT_ASSERT_DBG(size_bits % 8 == 0); |
| 272 | BT_ASSERT_DBG(_bt_ctfser_has_space_left(ctfser, size_bits)); |
| 273 | |
| 274 | switch (size_bits) { |
| 275 | case 8: |
| 276 | { |
| 277 | int8_t v = (int8_t) value; |
| 278 | |
| 279 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 280 | break; |
| 281 | } |
| 282 | case 16: |
| 283 | { |
| 284 | int16_t v = (int16_t) value; |
| 285 | |
| 286 | if (rbo) { |
| 287 | v = GUINT16_SWAP_LE_BE(v); |
| 288 | } |
| 289 | |
| 290 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 291 | break; |
| 292 | } |
| 293 | case 32: |
| 294 | { |
| 295 | int32_t v = (int32_t) value; |
| 296 | |
| 297 | if (rbo) { |
| 298 | v = GUINT32_SWAP_LE_BE(v); |
| 299 | } |
| 300 | |
| 301 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 302 | break; |
| 303 | } |
| 304 | case 64: |
| 305 | { |
| 306 | int64_t v = (int64_t) value; |
| 307 | |
| 308 | if (rbo) { |
| 309 | v = GUINT64_SWAP_LE_BE(v); |
| 310 | } |
| 311 | |
| 312 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
| 313 | break; |
| 314 | } |
| 315 | default: |
| 316 | bt_common_abort(); |
| 317 | } |
| 318 | |
| 319 | _bt_ctfser_incr_offset(ctfser, size_bits); |
| 320 | return ret; |
| 321 | } |
| 322 | |
| 323 | /* |
| 324 | * Writes an unsigned integer known to have a size that is a multiple of |
| 325 | * 8 and an alignment that is >= 8 at the current offset within the |
| 326 | * current packet. |
| 327 | */ |
| 328 | static inline |
| 329 | int bt_ctfser_write_byte_aligned_unsigned_int(struct bt_ctfser *ctfser, |
| 330 | uint64_t value, unsigned int alignment_bits, |
| 331 | unsigned int size_bits, int byte_order) |
| 332 | { |
| 333 | int ret; |
| 334 | |
| 335 | BT_ASSERT_DBG(alignment_bits % 8 == 0); |
| 336 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); |
| 337 | if (G_UNLIKELY(ret)) { |
| 338 | goto end; |
| 339 | } |
| 340 | |
| 341 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
| 342 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
| 343 | if (G_UNLIKELY(ret)) { |
| 344 | goto end; |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | ret = _bt_ctfser_write_byte_aligned_unsigned_int_no_align(ctfser, value, |
| 349 | size_bits, byte_order); |
| 350 | if (G_UNLIKELY(ret)) { |
| 351 | goto end; |
| 352 | } |
| 353 | |
| 354 | end: |
| 355 | return ret; |
| 356 | } |
| 357 | |
| 358 | /* |
| 359 | * Writes a signed integer known to have a size that is a multiple of 8 |
| 360 | * and an alignment that is >= 8 at the current offset within the |
| 361 | * current packet. |
| 362 | */ |
| 363 | static inline |
| 364 | int bt_ctfser_write_byte_aligned_signed_int(struct bt_ctfser *ctfser, |
| 365 | int64_t value, unsigned int alignment_bits, |
| 366 | unsigned int size_bits, int byte_order) |
| 367 | { |
| 368 | int ret; |
| 369 | |
| 370 | BT_ASSERT_DBG(alignment_bits % 8 == 0); |
| 371 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); |
| 372 | if (G_UNLIKELY(ret)) { |
| 373 | goto end; |
| 374 | } |
| 375 | |
| 376 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
| 377 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
| 378 | if (G_UNLIKELY(ret)) { |
| 379 | goto end; |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | ret = _bt_ctfser_write_byte_aligned_signed_int_no_align(ctfser, value, |
| 384 | size_bits, byte_order); |
| 385 | if (G_UNLIKELY(ret)) { |
| 386 | goto end; |
| 387 | } |
| 388 | |
| 389 | end: |
| 390 | return ret; |
| 391 | } |
| 392 | |
| 393 | /* |
| 394 | * Writes an unsigned integer at the current offset within the current |
| 395 | * packet. |
| 396 | */ |
| 397 | static inline |
| 398 | int bt_ctfser_write_unsigned_int(struct bt_ctfser *ctfser, uint64_t value, |
| 399 | unsigned int alignment_bits, unsigned int size_bits, |
| 400 | int byte_order) |
| 401 | { |
| 402 | int ret = 0; |
| 403 | |
| 404 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); |
| 405 | if (G_UNLIKELY(ret)) { |
| 406 | goto end; |
| 407 | } |
| 408 | |
| 409 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
| 410 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
| 411 | if (G_UNLIKELY(ret)) { |
| 412 | goto end; |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | if (alignment_bits % 8 == 0 && size_bits % 8 == 0) { |
| 417 | ret = _bt_ctfser_write_byte_aligned_unsigned_int_no_align( |
| 418 | ctfser, value, size_bits, byte_order); |
| 419 | goto end; |
| 420 | } |
| 421 | |
| 422 | if (byte_order == LITTLE_ENDIAN) { |
| 423 | bt_bitfield_write_le(mmap_align_addr(ctfser->base_mma) + |
| 424 | ctfser->mmap_base_offset, uint8_t, |
| 425 | ctfser->offset_in_cur_packet_bits, size_bits, value); |
| 426 | } else { |
| 427 | bt_bitfield_write_be(mmap_align_addr(ctfser->base_mma) + |
| 428 | ctfser->mmap_base_offset, uint8_t, |
| 429 | ctfser->offset_in_cur_packet_bits, size_bits, value); |
| 430 | } |
| 431 | |
| 432 | _bt_ctfser_incr_offset(ctfser, size_bits); |
| 433 | |
| 434 | end: |
| 435 | return ret; |
| 436 | } |
| 437 | |
| 438 | /* |
| 439 | * Writes a signed integer at the current offset within the current |
| 440 | * packet. |
| 441 | */ |
| 442 | static inline |
| 443 | int bt_ctfser_write_signed_int(struct bt_ctfser *ctfser, int64_t value, |
| 444 | unsigned int alignment_bits, unsigned int size_bits, |
| 445 | int byte_order) |
| 446 | { |
| 447 | int ret = 0; |
| 448 | |
| 449 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); |
| 450 | if (G_UNLIKELY(ret)) { |
| 451 | goto end; |
| 452 | } |
| 453 | |
| 454 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
| 455 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
| 456 | if (G_UNLIKELY(ret)) { |
| 457 | goto end; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | if (alignment_bits % 8 == 0 && size_bits % 8 == 0) { |
| 462 | ret = _bt_ctfser_write_byte_aligned_signed_int_no_align( |
| 463 | ctfser, value, size_bits, byte_order); |
| 464 | goto end; |
| 465 | } |
| 466 | |
| 467 | if (byte_order == LITTLE_ENDIAN) { |
| 468 | bt_bitfield_write_le(mmap_align_addr(ctfser->base_mma) + |
| 469 | ctfser->mmap_base_offset, uint8_t, |
| 470 | ctfser->offset_in_cur_packet_bits, size_bits, value); |
| 471 | } else { |
| 472 | bt_bitfield_write_be(mmap_align_addr(ctfser->base_mma) + |
| 473 | ctfser->mmap_base_offset, uint8_t, |
| 474 | ctfser->offset_in_cur_packet_bits, size_bits, value); |
| 475 | } |
| 476 | |
| 477 | _bt_ctfser_incr_offset(ctfser, size_bits); |
| 478 | |
| 479 | end: |
| 480 | return ret; |
| 481 | } |
| 482 | |
| 483 | /* |
| 484 | * Writes a 32-bit floating point number at the current offset within |
| 485 | * the current packet. |
| 486 | */ |
| 487 | static inline |
| 488 | int bt_ctfser_write_float32(struct bt_ctfser *ctfser, double value, |
| 489 | unsigned int alignment_bits, int byte_order) |
| 490 | { |
| 491 | union u32f { |
| 492 | uint32_t u; |
| 493 | float f; |
| 494 | } u32f; |
| 495 | |
| 496 | u32f.f = (float) value; |
| 497 | return bt_ctfser_write_unsigned_int(ctfser, (uint64_t) u32f.u, |
| 498 | alignment_bits, 32, byte_order); |
| 499 | } |
| 500 | |
| 501 | /* |
| 502 | * Writes a 64-bit floating point number at the current offset within |
| 503 | * the current packet. |
| 504 | */ |
| 505 | static inline |
| 506 | int bt_ctfser_write_float64(struct bt_ctfser *ctfser, double value, |
| 507 | unsigned int alignment_bits, int byte_order) |
| 508 | { |
| 509 | union u64f { |
| 510 | uint64_t u; |
| 511 | double d; |
| 512 | } u64f; |
| 513 | |
| 514 | u64f.d = value; |
| 515 | return bt_ctfser_write_unsigned_int(ctfser, u64f.u, alignment_bits, |
| 516 | 64, byte_order); |
| 517 | } |
| 518 | |
| 519 | /* |
| 520 | * Writes a C string, including the terminating null character, at the |
| 521 | * current offset within the current packet. |
| 522 | */ |
| 523 | static inline |
| 524 | int bt_ctfser_write_string(struct bt_ctfser *ctfser, const char *value) |
| 525 | { |
| 526 | int ret = 0; |
| 527 | const char *at = value; |
| 528 | |
| 529 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, 8); |
| 530 | if (G_UNLIKELY(ret)) { |
| 531 | goto end; |
| 532 | } |
| 533 | |
| 534 | while (true) { |
| 535 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, 8))) { |
| 536 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
| 537 | if (G_UNLIKELY(ret)) { |
| 538 | goto end; |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | memcpy(_bt_ctfser_get_addr(ctfser), at, sizeof(*at)); |
| 543 | _bt_ctfser_incr_offset(ctfser, 8); |
| 544 | |
| 545 | if (G_UNLIKELY(*at == '\0')) { |
| 546 | break; |
| 547 | } |
| 548 | |
| 549 | at++; |
| 550 | } |
| 551 | |
| 552 | end: |
| 553 | return ret; |
| 554 | } |
| 555 | |
| 556 | /* |
| 557 | * Returns the current offset within the current packet (bits). |
| 558 | */ |
| 559 | static inline |
| 560 | uint64_t bt_ctfser_get_offset_in_current_packet_bits(struct bt_ctfser *ctfser) |
| 561 | { |
| 562 | return ctfser->offset_in_cur_packet_bits; |
| 563 | } |
| 564 | |
| 565 | /* |
| 566 | * Sets the current offset within the current packet (bits). |
| 567 | */ |
| 568 | static inline |
| 569 | void bt_ctfser_set_offset_in_current_packet_bits(struct bt_ctfser *ctfser, |
| 570 | uint64_t offset_bits) |
| 571 | { |
| 572 | BT_ASSERT_DBG(offset_bits <= _bt_ctfser_cur_packet_size_bits(ctfser)); |
| 573 | ctfser->offset_in_cur_packet_bits = offset_bits; |
| 574 | } |
| 575 | |
| 576 | static inline |
| 577 | const char *bt_ctfser_get_file_path(struct bt_ctfser *ctfser) |
| 578 | { |
| 579 | return ctfser->path->str; |
| 580 | } |
| 581 | |
| 582 | #endif /* BABELTRACE_CTFSER_INTERNAL_H */ |