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