Commit | Line | Data |
---|---|---|
013f35c6 | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
013f35c6 PP |
4 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
5 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
6 | * Copyright 2017-2019 Philippe Proulx <pproulx@efficios.com> | |
7 | * | |
013f35c6 PP |
8 | * The Common Trace Format (CTF) Specification is available at |
9 | * http://www.efficios.com/ctf | |
10 | */ | |
11 | ||
0235b0db MJ |
12 | #ifndef BABELTRACE_CTFSER_INTERNAL_H |
13 | #define BABELTRACE_CTFSER_INTERNAL_H | |
14 | ||
c4f23e30 | 15 | #include <stdbool.h> |
013f35c6 PP |
16 | #include <stdlib.h> |
17 | #include <stdint.h> | |
18 | #include <limits.h> | |
578e048b | 19 | #include "compat/mman.h" |
013f35c6 PP |
20 | #include <sys/types.h> |
21 | #include <sys/stat.h> | |
22 | #include <fcntl.h> | |
578e048b MJ |
23 | #include "common/align.h" |
24 | #include "compat/endian.h" | |
25 | #include "common/common.h" | |
26 | #include "common/mmap-align.h" | |
578e048b | 27 | #include "common/assert.h" |
91d81473 | 28 | #include "common/macros.h" |
578e048b | 29 | #include "compat/bitfield.h" |
013f35c6 PP |
30 | #include <glib.h> |
31 | ||
32 | struct bt_ctfser { | |
33 | /* Stream file's descriptor */ | |
34 | int fd; | |
35 | ||
36 | /* Offset (bytes) of memory map (current packet) in the stream file */ | |
37 | off_t mmap_offset; | |
38 | ||
39 | /* Offset (bytes) of packet's first byte in the memory map */ | |
40 | off_t mmap_base_offset; | |
41 | ||
42 | /* Current offset (bits) within current packet */ | |
43 | uint64_t offset_in_cur_packet_bits; | |
44 | ||
45 | /* Current packet size (bytes) */ | |
46 | uint64_t cur_packet_size_bytes; | |
47 | ||
48 | /* Previous packet size (bytes) */ | |
49 | uint64_t prev_packet_size_bytes; | |
50 | ||
51 | /* Current stream size (bytes) */ | |
52 | uint64_t stream_size_bytes; | |
53 | ||
54 | /* Memory map base address */ | |
443dc632 | 55 | struct mmap_align_data *base_mma; |
013f35c6 PP |
56 | |
57 | /* Stream file's path (for debugging) */ | |
58 | GString *path; | |
86d8b7b8 PP |
59 | |
60 | /* Serializer's log level */ | |
61 | int log_level; | |
013f35c6 PP |
62 | }; |
63 | ||
013f35c6 PP |
64 | /* |
65 | * Initializes a CTF serializer. | |
66 | * | |
67 | * This function opens the file `path` for writing. | |
68 | */ | |
1353b066 | 69 | BT_EXTERN_C |
86d8b7b8 PP |
70 | int bt_ctfser_init(struct bt_ctfser *ctfser, const char *path, |
71 | int log_level); | |
013f35c6 PP |
72 | |
73 | /* | |
74 | * Finalizes a CTF serializer. | |
75 | * | |
76 | * This function truncates the stream file so that there's no extra | |
77 | * padding after the last packet, and then closes the file. | |
78 | */ | |
1353b066 | 79 | BT_EXTERN_C |
013f35c6 PP |
80 | int bt_ctfser_fini(struct bt_ctfser *ctfser); |
81 | ||
82 | /* | |
83 | * Opens a new packet. | |
84 | * | |
85 | * All the next writing functions are performed within this new packet. | |
86 | */ | |
1353b066 | 87 | BT_EXTERN_C |
013f35c6 PP |
88 | int bt_ctfser_open_packet(struct bt_ctfser *ctfser); |
89 | ||
90 | /* | |
91 | * Closes the current packet, making its size `packet_size_bytes`. | |
92 | */ | |
1353b066 | 93 | BT_EXTERN_C |
013f35c6 PP |
94 | void bt_ctfser_close_current_packet(struct bt_ctfser *ctfser, |
95 | uint64_t packet_size_bytes); | |
96 | ||
1353b066 | 97 | BT_EXTERN_C |
013f35c6 PP |
98 | int _bt_ctfser_increase_cur_packet_size(struct bt_ctfser *ctfser); |
99 | ||
100 | static inline | |
101 | uint64_t _bt_ctfser_cur_packet_size_bits(struct bt_ctfser *ctfser) | |
102 | { | |
103 | return ctfser->cur_packet_size_bytes * 8; | |
104 | } | |
105 | ||
106 | static inline | |
107 | uint64_t _bt_ctfser_prev_packet_size_bits(struct bt_ctfser *ctfser) | |
108 | { | |
109 | return ctfser->prev_packet_size_bytes * 8; | |
110 | } | |
111 | ||
112 | static inline | |
113 | uint64_t _bt_ctfser_offset_bytes(struct bt_ctfser *ctfser) | |
114 | { | |
115 | return ctfser->offset_in_cur_packet_bits / 8; | |
116 | } | |
117 | ||
118 | static inline | |
119 | uint8_t *_bt_ctfser_get_addr(struct bt_ctfser *ctfser) | |
120 | { | |
121 | /* Only makes sense to get the address after aligning on byte */ | |
98b15851 | 122 | BT_ASSERT_DBG(ctfser->offset_in_cur_packet_bits % 8 == 0); |
013f35c6 PP |
123 | return ((uint8_t *) mmap_align_addr(ctfser->base_mma)) + |
124 | ctfser->mmap_base_offset + _bt_ctfser_offset_bytes(ctfser); | |
125 | } | |
126 | ||
127 | static inline | |
128 | bool _bt_ctfser_has_space_left(struct bt_ctfser *ctfser, uint64_t size_bits) | |
129 | { | |
130 | bool has_space_left = true; | |
131 | ||
91d81473 | 132 | if (G_UNLIKELY((ctfser->offset_in_cur_packet_bits + size_bits > |
013f35c6 PP |
133 | _bt_ctfser_cur_packet_size_bits(ctfser)))) { |
134 | has_space_left = false; | |
135 | goto end; | |
136 | } | |
137 | ||
91d81473 | 138 | if (G_UNLIKELY(size_bits > UINT64_MAX - ctfser->offset_in_cur_packet_bits)) { |
013f35c6 PP |
139 | has_space_left = false; |
140 | goto end; | |
141 | } | |
142 | ||
143 | end: | |
144 | return has_space_left; | |
145 | } | |
146 | ||
147 | static inline | |
148 | void _bt_ctfser_incr_offset(struct bt_ctfser *ctfser, uint64_t size_bits) | |
149 | { | |
98b15851 | 150 | BT_ASSERT_DBG(_bt_ctfser_has_space_left(ctfser, size_bits)); |
013f35c6 PP |
151 | ctfser->offset_in_cur_packet_bits += size_bits; |
152 | } | |
153 | ||
154 | /* | |
155 | * Aligns the current offset within the current packet to | |
156 | * `alignment_bits` bits (power of two, > 0). | |
157 | */ | |
158 | static inline | |
159 | int bt_ctfser_align_offset_in_current_packet(struct bt_ctfser *ctfser, | |
160 | uint64_t alignment_bits) | |
161 | { | |
162 | int ret = 0; | |
163 | uint64_t align_size_bits; | |
164 | ||
98b15851 | 165 | BT_ASSERT_DBG(alignment_bits > 0); |
328342cd | 166 | align_size_bits = BT_ALIGN(ctfser->offset_in_cur_packet_bits, |
013f35c6 PP |
167 | alignment_bits) - ctfser->offset_in_cur_packet_bits; |
168 | ||
91d81473 | 169 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, align_size_bits))) { |
013f35c6 | 170 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 171 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
172 | goto end; |
173 | } | |
174 | } | |
175 | ||
176 | _bt_ctfser_incr_offset(ctfser, align_size_bits); | |
177 | ||
178 | end: | |
179 | return ret; | |
180 | } | |
181 | ||
182 | static inline | |
d6981059 PP |
183 | int _bt_ctfser_write_byte_aligned_unsigned_int_no_align( |
184 | struct bt_ctfser *ctfser, uint64_t value, | |
185 | unsigned int size_bits, int byte_order) | |
013f35c6 PP |
186 | { |
187 | int ret = 0; | |
188 | ||
189 | /* Reverse byte order? */ | |
190 | bool rbo = byte_order != BYTE_ORDER; | |
191 | ||
98b15851 PP |
192 | BT_ASSERT_DBG(size_bits % 8 == 0); |
193 | BT_ASSERT_DBG(_bt_ctfser_has_space_left(ctfser, size_bits)); | |
013f35c6 | 194 | |
d6981059 PP |
195 | switch (size_bits) { |
196 | case 8: | |
197 | { | |
198 | uint8_t v = (uint8_t) value; | |
199 | ||
200 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); | |
201 | break; | |
202 | } | |
203 | case 16: | |
204 | { | |
205 | uint16_t v = (uint16_t) value; | |
013f35c6 | 206 | |
d6981059 PP |
207 | if (rbo) { |
208 | v = GUINT16_SWAP_LE_BE(v); | |
013f35c6 | 209 | } |
013f35c6 | 210 | |
d6981059 PP |
211 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
212 | break; | |
213 | } | |
214 | case 32: | |
215 | { | |
216 | uint32_t v = (uint32_t) value; | |
013f35c6 | 217 | |
d6981059 PP |
218 | if (rbo) { |
219 | v = GUINT32_SWAP_LE_BE(v); | |
013f35c6 | 220 | } |
013f35c6 | 221 | |
d6981059 PP |
222 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
223 | break; | |
224 | } | |
225 | case 64: | |
226 | { | |
227 | uint64_t v = (uint64_t) value; | |
013f35c6 | 228 | |
d6981059 PP |
229 | if (rbo) { |
230 | v = GUINT64_SWAP_LE_BE(v); | |
013f35c6 | 231 | } |
013f35c6 | 232 | |
d6981059 PP |
233 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
234 | break; | |
235 | } | |
236 | default: | |
498e7994 | 237 | bt_common_abort(); |
d6981059 | 238 | } |
013f35c6 | 239 | |
d6981059 PP |
240 | _bt_ctfser_incr_offset(ctfser, size_bits); |
241 | return ret; | |
242 | } | |
013f35c6 | 243 | |
d6981059 PP |
244 | static inline |
245 | int _bt_ctfser_write_byte_aligned_signed_int_no_align( | |
246 | struct bt_ctfser *ctfser, int64_t value, | |
247 | unsigned int size_bits, int byte_order) | |
248 | { | |
249 | int ret = 0; | |
013f35c6 | 250 | |
d6981059 PP |
251 | /* Reverse byte order? */ |
252 | bool rbo = byte_order != BYTE_ORDER; | |
013f35c6 | 253 | |
98b15851 PP |
254 | BT_ASSERT_DBG(size_bits % 8 == 0); |
255 | BT_ASSERT_DBG(_bt_ctfser_has_space_left(ctfser, size_bits)); | |
013f35c6 | 256 | |
d6981059 PP |
257 | switch (size_bits) { |
258 | case 8: | |
259 | { | |
260 | int8_t v = (int8_t) value; | |
013f35c6 | 261 | |
d6981059 PP |
262 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
263 | break; | |
264 | } | |
265 | case 16: | |
266 | { | |
267 | int16_t v = (int16_t) value; | |
268 | ||
269 | if (rbo) { | |
270 | v = GUINT16_SWAP_LE_BE(v); | |
013f35c6 | 271 | } |
013f35c6 | 272 | |
d6981059 PP |
273 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
274 | break; | |
275 | } | |
276 | case 32: | |
277 | { | |
278 | int32_t v = (int32_t) value; | |
013f35c6 | 279 | |
d6981059 PP |
280 | if (rbo) { |
281 | v = GUINT32_SWAP_LE_BE(v); | |
013f35c6 | 282 | } |
d6981059 PP |
283 | |
284 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); | |
285 | break; | |
286 | } | |
287 | case 64: | |
288 | { | |
289 | int64_t v = (int64_t) value; | |
290 | ||
291 | if (rbo) { | |
292 | v = GUINT64_SWAP_LE_BE(v); | |
013f35c6 | 293 | } |
d6981059 PP |
294 | |
295 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); | |
296 | break; | |
297 | } | |
298 | default: | |
498e7994 | 299 | bt_common_abort(); |
013f35c6 PP |
300 | } |
301 | ||
302 | _bt_ctfser_incr_offset(ctfser, size_bits); | |
303 | return ret; | |
304 | } | |
305 | ||
306 | /* | |
d6981059 PP |
307 | * Writes an unsigned integer known to have a size that is a multiple of |
308 | * 8 and an alignment that is >= 8 at the current offset within the | |
309 | * current packet. | |
013f35c6 PP |
310 | */ |
311 | static inline | |
d6981059 PP |
312 | int bt_ctfser_write_byte_aligned_unsigned_int(struct bt_ctfser *ctfser, |
313 | uint64_t value, unsigned int alignment_bits, | |
314 | unsigned int size_bits, int byte_order) | |
013f35c6 PP |
315 | { |
316 | int ret; | |
317 | ||
98b15851 | 318 | BT_ASSERT_DBG(alignment_bits % 8 == 0); |
013f35c6 | 319 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); |
91d81473 | 320 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
321 | goto end; |
322 | } | |
323 | ||
91d81473 | 324 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
013f35c6 | 325 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 326 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
327 | goto end; |
328 | } | |
329 | } | |
330 | ||
d6981059 PP |
331 | ret = _bt_ctfser_write_byte_aligned_unsigned_int_no_align(ctfser, value, |
332 | size_bits, byte_order); | |
91d81473 | 333 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
334 | goto end; |
335 | } | |
336 | ||
337 | end: | |
338 | return ret; | |
339 | } | |
340 | ||
341 | /* | |
d6981059 PP |
342 | * Writes a signed integer known to have a size that is a multiple of 8 |
343 | * and an alignment that is >= 8 at the current offset within the | |
344 | * current packet. | |
013f35c6 PP |
345 | */ |
346 | static inline | |
d6981059 PP |
347 | int bt_ctfser_write_byte_aligned_signed_int(struct bt_ctfser *ctfser, |
348 | int64_t value, unsigned int alignment_bits, | |
349 | unsigned int size_bits, int byte_order) | |
350 | { | |
351 | int ret; | |
352 | ||
98b15851 | 353 | BT_ASSERT_DBG(alignment_bits % 8 == 0); |
d6981059 | 354 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); |
91d81473 | 355 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
356 | goto end; |
357 | } | |
358 | ||
91d81473 | 359 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
d6981059 | 360 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 361 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
362 | goto end; |
363 | } | |
364 | } | |
365 | ||
366 | ret = _bt_ctfser_write_byte_aligned_signed_int_no_align(ctfser, value, | |
367 | size_bits, byte_order); | |
91d81473 | 368 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
369 | goto end; |
370 | } | |
371 | ||
372 | end: | |
373 | return ret; | |
374 | } | |
375 | ||
376 | /* | |
377 | * Writes an unsigned integer at the current offset within the current | |
378 | * packet. | |
379 | */ | |
380 | static inline | |
381 | int bt_ctfser_write_unsigned_int(struct bt_ctfser *ctfser, uint64_t value, | |
382 | unsigned int alignment_bits, unsigned int size_bits, | |
013f35c6 PP |
383 | int byte_order) |
384 | { | |
385 | int ret = 0; | |
386 | ||
387 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); | |
91d81473 | 388 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
389 | goto end; |
390 | } | |
391 | ||
91d81473 | 392 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
013f35c6 | 393 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 394 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
395 | goto end; |
396 | } | |
397 | } | |
398 | ||
399 | if (alignment_bits % 8 == 0 && size_bits % 8 == 0) { | |
d6981059 PP |
400 | ret = _bt_ctfser_write_byte_aligned_unsigned_int_no_align( |
401 | ctfser, value, size_bits, byte_order); | |
013f35c6 PP |
402 | goto end; |
403 | } | |
404 | ||
d6981059 | 405 | if (byte_order == LITTLE_ENDIAN) { |
087cd0f5 | 406 | bt_bitfield_write_le((uint8_t *) mmap_align_addr(ctfser->base_mma) + |
d6981059 PP |
407 | ctfser->mmap_base_offset, uint8_t, |
408 | ctfser->offset_in_cur_packet_bits, size_bits, value); | |
013f35c6 | 409 | } else { |
087cd0f5 | 410 | bt_bitfield_write_be((uint8_t *) mmap_align_addr(ctfser->base_mma) + |
d6981059 PP |
411 | ctfser->mmap_base_offset, uint8_t, |
412 | ctfser->offset_in_cur_packet_bits, size_bits, value); | |
413 | } | |
414 | ||
415 | _bt_ctfser_incr_offset(ctfser, size_bits); | |
416 | ||
417 | end: | |
418 | return ret; | |
419 | } | |
420 | ||
421 | /* | |
422 | * Writes a signed integer at the current offset within the current | |
423 | * packet. | |
424 | */ | |
425 | static inline | |
426 | int bt_ctfser_write_signed_int(struct bt_ctfser *ctfser, int64_t value, | |
427 | unsigned int alignment_bits, unsigned int size_bits, | |
428 | int byte_order) | |
429 | { | |
430 | int ret = 0; | |
431 | ||
432 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); | |
91d81473 | 433 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
434 | goto end; |
435 | } | |
436 | ||
91d81473 | 437 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
d6981059 | 438 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 439 | if (G_UNLIKELY(ret)) { |
d6981059 | 440 | goto end; |
013f35c6 PP |
441 | } |
442 | } | |
443 | ||
d6981059 PP |
444 | if (alignment_bits % 8 == 0 && size_bits % 8 == 0) { |
445 | ret = _bt_ctfser_write_byte_aligned_signed_int_no_align( | |
446 | ctfser, value, size_bits, byte_order); | |
447 | goto end; | |
448 | } | |
449 | ||
450 | if (byte_order == LITTLE_ENDIAN) { | |
087cd0f5 | 451 | bt_bitfield_write_le((uint8_t *) mmap_align_addr(ctfser->base_mma) + |
d6981059 PP |
452 | ctfser->mmap_base_offset, uint8_t, |
453 | ctfser->offset_in_cur_packet_bits, size_bits, value); | |
454 | } else { | |
087cd0f5 | 455 | bt_bitfield_write_be((uint8_t *) mmap_align_addr(ctfser->base_mma) + |
d6981059 PP |
456 | ctfser->mmap_base_offset, uint8_t, |
457 | ctfser->offset_in_cur_packet_bits, size_bits, value); | |
458 | } | |
459 | ||
013f35c6 PP |
460 | _bt_ctfser_incr_offset(ctfser, size_bits); |
461 | ||
462 | end: | |
463 | return ret; | |
464 | } | |
465 | ||
466 | /* | |
467 | * Writes a 32-bit floating point number at the current offset within | |
468 | * the current packet. | |
469 | */ | |
470 | static inline | |
471 | int bt_ctfser_write_float32(struct bt_ctfser *ctfser, double value, | |
472 | unsigned int alignment_bits, int byte_order) | |
473 | { | |
013f35c6 PP |
474 | union u32f { |
475 | uint32_t u; | |
476 | float f; | |
477 | } u32f; | |
478 | ||
479 | u32f.f = (float) value; | |
d6981059 PP |
480 | return bt_ctfser_write_unsigned_int(ctfser, (uint64_t) u32f.u, |
481 | alignment_bits, 32, byte_order); | |
013f35c6 PP |
482 | } |
483 | ||
484 | /* | |
485 | * Writes a 64-bit floating point number at the current offset within | |
486 | * the current packet. | |
487 | */ | |
488 | static inline | |
489 | int bt_ctfser_write_float64(struct bt_ctfser *ctfser, double value, | |
490 | unsigned int alignment_bits, int byte_order) | |
491 | { | |
013f35c6 PP |
492 | union u64f { |
493 | uint64_t u; | |
1fba7c7b | 494 | double d; |
013f35c6 PP |
495 | } u64f; |
496 | ||
1fba7c7b | 497 | u64f.d = value; |
d6981059 PP |
498 | return bt_ctfser_write_unsigned_int(ctfser, u64f.u, alignment_bits, |
499 | 64, byte_order); | |
013f35c6 PP |
500 | } |
501 | ||
502 | /* | |
503 | * Writes a C string, including the terminating null character, at the | |
504 | * current offset within the current packet. | |
505 | */ | |
506 | static inline | |
507 | int bt_ctfser_write_string(struct bt_ctfser *ctfser, const char *value) | |
508 | { | |
509 | int ret = 0; | |
510 | const char *at = value; | |
511 | ||
512 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, 8); | |
91d81473 | 513 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
514 | goto end; |
515 | } | |
516 | ||
517 | while (true) { | |
91d81473 | 518 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, 8))) { |
013f35c6 | 519 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 520 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
521 | goto end; |
522 | } | |
523 | } | |
524 | ||
525 | memcpy(_bt_ctfser_get_addr(ctfser), at, sizeof(*at)); | |
526 | _bt_ctfser_incr_offset(ctfser, 8); | |
527 | ||
91d81473 | 528 | if (G_UNLIKELY(*at == '\0')) { |
013f35c6 PP |
529 | break; |
530 | } | |
531 | ||
532 | at++; | |
533 | } | |
534 | ||
535 | end: | |
536 | return ret; | |
537 | } | |
538 | ||
539 | /* | |
540 | * Returns the current offset within the current packet (bits). | |
541 | */ | |
542 | static inline | |
543 | uint64_t bt_ctfser_get_offset_in_current_packet_bits(struct bt_ctfser *ctfser) | |
544 | { | |
545 | return ctfser->offset_in_cur_packet_bits; | |
546 | } | |
547 | ||
548 | /* | |
549 | * Sets the current offset within the current packet (bits). | |
550 | */ | |
551 | static inline | |
552 | void bt_ctfser_set_offset_in_current_packet_bits(struct bt_ctfser *ctfser, | |
553 | uint64_t offset_bits) | |
554 | { | |
98b15851 | 555 | BT_ASSERT_DBG(offset_bits <= _bt_ctfser_cur_packet_size_bits(ctfser)); |
013f35c6 PP |
556 | ctfser->offset_in_cur_packet_bits = offset_bits; |
557 | } | |
558 | ||
15fe47e0 PP |
559 | static inline |
560 | const char *bt_ctfser_get_file_path(struct bt_ctfser *ctfser) | |
561 | { | |
562 | return ctfser->path->str; | |
563 | } | |
564 | ||
013f35c6 | 565 | #endif /* BABELTRACE_CTFSER_INTERNAL_H */ |