Commit | Line | Data |
---|---|---|
013f35c6 PP |
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> | |
578e048b | 34 | #include "compat/mman.h" |
013f35c6 PP |
35 | #include <sys/types.h> |
36 | #include <sys/stat.h> | |
37 | #include <fcntl.h> | |
578e048b MJ |
38 | #include "common/align.h" |
39 | #include "compat/endian.h" | |
40 | #include "common/common.h" | |
41 | #include "common/mmap-align.h" | |
3fadfbc0 | 42 | #include <babeltrace2/types.h> |
578e048b | 43 | #include "common/assert.h" |
91d81473 | 44 | #include "common/macros.h" |
578e048b | 45 | #include "compat/bitfield.h" |
013f35c6 PP |
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; | |
86d8b7b8 PP |
75 | |
76 | /* Serializer's log level */ | |
77 | int log_level; | |
013f35c6 PP |
78 | }; |
79 | ||
013f35c6 PP |
80 | /* |
81 | * Initializes a CTF serializer. | |
82 | * | |
83 | * This function opens the file `path` for writing. | |
84 | */ | |
85 | BT_HIDDEN | |
86d8b7b8 PP |
86 | int bt_ctfser_init(struct bt_ctfser *ctfser, const char *path, |
87 | int log_level); | |
013f35c6 PP |
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(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 | ||
91d81473 | 148 | if (G_UNLIKELY((ctfser->offset_in_cur_packet_bits + size_bits > |
013f35c6 PP |
149 | _bt_ctfser_cur_packet_size_bits(ctfser)))) { |
150 | has_space_left = false; | |
151 | goto end; | |
152 | } | |
153 | ||
91d81473 | 154 | if (G_UNLIKELY(size_bits > UINT64_MAX - ctfser->offset_in_cur_packet_bits)) { |
013f35c6 PP |
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(_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(alignment_bits > 0); | |
182 | align_size_bits = ALIGN(ctfser->offset_in_cur_packet_bits, | |
183 | alignment_bits) - ctfser->offset_in_cur_packet_bits; | |
184 | ||
91d81473 | 185 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, align_size_bits))) { |
013f35c6 | 186 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 187 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
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 | |
d6981059 PP |
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) | |
013f35c6 PP |
202 | { |
203 | int ret = 0; | |
204 | ||
205 | /* Reverse byte order? */ | |
206 | bool rbo = byte_order != BYTE_ORDER; | |
207 | ||
208 | BT_ASSERT(size_bits % 8 == 0); | |
209 | BT_ASSERT(_bt_ctfser_has_space_left(ctfser, size_bits)); | |
210 | ||
d6981059 PP |
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; | |
013f35c6 | 222 | |
d6981059 PP |
223 | if (rbo) { |
224 | v = GUINT16_SWAP_LE_BE(v); | |
013f35c6 | 225 | } |
013f35c6 | 226 | |
d6981059 PP |
227 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
228 | break; | |
229 | } | |
230 | case 32: | |
231 | { | |
232 | uint32_t v = (uint32_t) value; | |
013f35c6 | 233 | |
d6981059 PP |
234 | if (rbo) { |
235 | v = GUINT32_SWAP_LE_BE(v); | |
013f35c6 | 236 | } |
013f35c6 | 237 | |
d6981059 PP |
238 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
239 | break; | |
240 | } | |
241 | case 64: | |
242 | { | |
243 | uint64_t v = (uint64_t) value; | |
013f35c6 | 244 | |
d6981059 PP |
245 | if (rbo) { |
246 | v = GUINT64_SWAP_LE_BE(v); | |
013f35c6 | 247 | } |
013f35c6 | 248 | |
d6981059 PP |
249 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
250 | break; | |
251 | } | |
252 | default: | |
253 | abort(); | |
254 | } | |
013f35c6 | 255 | |
d6981059 PP |
256 | _bt_ctfser_incr_offset(ctfser, size_bits); |
257 | return ret; | |
258 | } | |
013f35c6 | 259 | |
d6981059 PP |
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; | |
013f35c6 | 266 | |
d6981059 PP |
267 | /* Reverse byte order? */ |
268 | bool rbo = byte_order != BYTE_ORDER; | |
013f35c6 | 269 | |
d6981059 PP |
270 | BT_ASSERT(size_bits % 8 == 0); |
271 | BT_ASSERT(_bt_ctfser_has_space_left(ctfser, size_bits)); | |
013f35c6 | 272 | |
d6981059 PP |
273 | switch (size_bits) { |
274 | case 8: | |
275 | { | |
276 | int8_t v = (int8_t) value; | |
013f35c6 | 277 | |
d6981059 PP |
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); | |
013f35c6 | 287 | } |
013f35c6 | 288 | |
d6981059 PP |
289 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); |
290 | break; | |
291 | } | |
292 | case 32: | |
293 | { | |
294 | int32_t v = (int32_t) value; | |
013f35c6 | 295 | |
d6981059 PP |
296 | if (rbo) { |
297 | v = GUINT32_SWAP_LE_BE(v); | |
013f35c6 | 298 | } |
d6981059 PP |
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); | |
013f35c6 | 309 | } |
d6981059 PP |
310 | |
311 | memcpy(_bt_ctfser_get_addr(ctfser), &v, sizeof(v)); | |
312 | break; | |
313 | } | |
314 | default: | |
315 | abort(); | |
013f35c6 PP |
316 | } |
317 | ||
318 | _bt_ctfser_incr_offset(ctfser, size_bits); | |
319 | return ret; | |
320 | } | |
321 | ||
322 | /* | |
d6981059 PP |
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. | |
013f35c6 PP |
326 | */ |
327 | static inline | |
d6981059 PP |
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) | |
013f35c6 PP |
331 | { |
332 | int ret; | |
333 | ||
334 | BT_ASSERT(alignment_bits % 8 == 0); | |
335 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); | |
91d81473 | 336 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
337 | goto end; |
338 | } | |
339 | ||
91d81473 | 340 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
013f35c6 | 341 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 342 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
343 | goto end; |
344 | } | |
345 | } | |
346 | ||
d6981059 PP |
347 | ret = _bt_ctfser_write_byte_aligned_unsigned_int_no_align(ctfser, value, |
348 | size_bits, byte_order); | |
91d81473 | 349 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
350 | goto end; |
351 | } | |
352 | ||
353 | end: | |
354 | return ret; | |
355 | } | |
356 | ||
357 | /* | |
d6981059 PP |
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. | |
013f35c6 PP |
361 | */ |
362 | static inline | |
d6981059 PP |
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(alignment_bits % 8 == 0); | |
370 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); | |
91d81473 | 371 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
372 | goto end; |
373 | } | |
374 | ||
91d81473 | 375 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
d6981059 | 376 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 377 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
378 | goto end; |
379 | } | |
380 | } | |
381 | ||
382 | ret = _bt_ctfser_write_byte_aligned_signed_int_no_align(ctfser, value, | |
383 | size_bits, byte_order); | |
91d81473 | 384 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
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, | |
013f35c6 PP |
399 | int byte_order) |
400 | { | |
401 | int ret = 0; | |
402 | ||
403 | ret = bt_ctfser_align_offset_in_current_packet(ctfser, alignment_bits); | |
91d81473 | 404 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
405 | goto end; |
406 | } | |
407 | ||
91d81473 | 408 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
013f35c6 | 409 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 410 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
411 | goto end; |
412 | } | |
413 | } | |
414 | ||
415 | if (alignment_bits % 8 == 0 && size_bits % 8 == 0) { | |
d6981059 PP |
416 | ret = _bt_ctfser_write_byte_aligned_unsigned_int_no_align( |
417 | ctfser, value, size_bits, byte_order); | |
013f35c6 PP |
418 | goto end; |
419 | } | |
420 | ||
d6981059 PP |
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); | |
013f35c6 | 425 | } else { |
d6981059 PP |
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); | |
91d81473 | 449 | if (G_UNLIKELY(ret)) { |
d6981059 PP |
450 | goto end; |
451 | } | |
452 | ||
91d81473 | 453 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, size_bits))) { |
d6981059 | 454 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 455 | if (G_UNLIKELY(ret)) { |
d6981059 | 456 | goto end; |
013f35c6 PP |
457 | } |
458 | } | |
459 | ||
d6981059 PP |
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 | ||
013f35c6 PP |
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 | { | |
013f35c6 PP |
490 | union u32f { |
491 | uint32_t u; | |
492 | float f; | |
493 | } u32f; | |
494 | ||
495 | u32f.f = (float) value; | |
d6981059 PP |
496 | return bt_ctfser_write_unsigned_int(ctfser, (uint64_t) u32f.u, |
497 | alignment_bits, 32, byte_order); | |
013f35c6 PP |
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 | { | |
013f35c6 PP |
508 | union u64f { |
509 | uint64_t u; | |
1fba7c7b | 510 | double d; |
013f35c6 PP |
511 | } u64f; |
512 | ||
1fba7c7b | 513 | u64f.d = value; |
d6981059 PP |
514 | return bt_ctfser_write_unsigned_int(ctfser, u64f.u, alignment_bits, |
515 | 64, byte_order); | |
013f35c6 PP |
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); | |
91d81473 | 529 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
530 | goto end; |
531 | } | |
532 | ||
533 | while (true) { | |
91d81473 | 534 | if (G_UNLIKELY(!_bt_ctfser_has_space_left(ctfser, 8))) { |
013f35c6 | 535 | ret = _bt_ctfser_increase_cur_packet_size(ctfser); |
91d81473 | 536 | if (G_UNLIKELY(ret)) { |
013f35c6 PP |
537 | goto end; |
538 | } | |
539 | } | |
540 | ||
541 | memcpy(_bt_ctfser_get_addr(ctfser), at, sizeof(*at)); | |
542 | _bt_ctfser_incr_offset(ctfser, 8); | |
543 | ||
91d81473 | 544 | if (G_UNLIKELY(*at == '\0')) { |
013f35c6 PP |
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(offset_bits <= _bt_ctfser_cur_packet_size_bits(ctfser)); | |
572 | ctfser->offset_in_cur_packet_bits = offset_bits; | |
573 | } | |
574 | ||
15fe47e0 PP |
575 | static inline |
576 | const char *bt_ctfser_get_file_path(struct bt_ctfser *ctfser) | |
577 | { | |
578 | return ctfser->path->str; | |
579 | } | |
580 | ||
013f35c6 | 581 | #endif /* BABELTRACE_CTFSER_INTERNAL_H */ |