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273b65be JG |
1 | /* |
2 | * event-fields.c | |
3 | * | |
4 | * Babeltrace CTF Writer | |
5 | * | |
6 | * Copyright 2013 EfficiOS Inc. | |
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 | #include <babeltrace/ctf-writer/event-fields.h> | |
30 | #include <babeltrace/ctf-writer/event-fields-internal.h> | |
31 | #include <babeltrace/ctf-writer/event-types-internal.h> | |
32 | #include <babeltrace/compiler.h> | |
33 | ||
34 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) | |
35 | ||
36 | static | |
37 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); | |
38 | static | |
39 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
40 | struct bt_ctf_field_type *); | |
41 | static | |
42 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
43 | struct bt_ctf_field_type *); | |
44 | static | |
45 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
46 | struct bt_ctf_field_type *); | |
47 | static | |
48 | struct bt_ctf_field *bt_ctf_field_variant_create( | |
49 | struct bt_ctf_field_type *); | |
50 | static | |
51 | struct bt_ctf_field *bt_ctf_field_array_create( | |
52 | struct bt_ctf_field_type *); | |
53 | static | |
54 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
55 | struct bt_ctf_field_type *); | |
56 | static | |
57 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); | |
58 | ||
59 | static | |
60 | void bt_ctf_field_destroy(struct bt_ctf_ref *); | |
61 | static | |
62 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); | |
63 | static | |
64 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); | |
65 | static | |
66 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); | |
67 | static | |
68 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); | |
69 | static | |
70 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); | |
71 | static | |
72 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); | |
73 | static | |
74 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); | |
75 | static | |
76 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); | |
77 | ||
78 | static | |
79 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field); | |
80 | static | |
81 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field); | |
82 | static | |
83 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field); | |
84 | static | |
85 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field); | |
86 | static | |
87 | int bt_ctf_field_array_validate(struct bt_ctf_field *field); | |
88 | static | |
89 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field); | |
90 | ||
91 | static | |
92 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
93 | struct ctf_stream_pos *); | |
94 | static | |
95 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
96 | struct ctf_stream_pos *); | |
97 | static | |
98 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
99 | struct ctf_stream_pos *); | |
100 | static | |
101 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
102 | struct ctf_stream_pos *); | |
103 | static | |
104 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
105 | struct ctf_stream_pos *); | |
106 | static | |
107 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
108 | struct ctf_stream_pos *); | |
109 | static | |
110 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
111 | struct ctf_stream_pos *); | |
112 | static | |
113 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
114 | struct ctf_stream_pos *); | |
115 | ||
116 | static | |
117 | int increase_packet_size(struct ctf_stream_pos *pos); | |
118 | ||
119 | static | |
120 | struct bt_ctf_field *(*field_create_funcs[])( | |
121 | struct bt_ctf_field_type *) = { | |
122 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_create, | |
123 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create, | |
124 | [CTF_TYPE_FLOAT] = | |
125 | bt_ctf_field_floating_point_create, | |
126 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_create, | |
127 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_create, | |
128 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_create, | |
129 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_create, | |
130 | [CTF_TYPE_STRING] = bt_ctf_field_string_create, | |
131 | }; | |
132 | ||
133 | static | |
134 | void (*field_destroy_funcs[])(struct bt_ctf_field *) = { | |
135 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy, | |
136 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy, | |
137 | [CTF_TYPE_FLOAT] = | |
138 | bt_ctf_field_floating_point_destroy, | |
139 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_destroy, | |
140 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_destroy, | |
141 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_destroy, | |
142 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
143 | [CTF_TYPE_STRING] = bt_ctf_field_string_destroy, | |
144 | }; | |
145 | ||
146 | static | |
147 | int (*field_validate_funcs[])(struct bt_ctf_field *) = { | |
148 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate, | |
149 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate, | |
150 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate, | |
151 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_validate, | |
152 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_validate, | |
153 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_validate, | |
154 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_validate, | |
155 | [CTF_TYPE_STRING] = bt_ctf_field_generic_validate, | |
156 | }; | |
157 | ||
158 | static | |
159 | int (*field_serialize_funcs[])(struct bt_ctf_field *, | |
160 | struct ctf_stream_pos *) = { | |
161 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize, | |
162 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize, | |
163 | [CTF_TYPE_FLOAT] = | |
164 | bt_ctf_field_floating_point_serialize, | |
165 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_serialize, | |
166 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_serialize, | |
167 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_serialize, | |
168 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
169 | [CTF_TYPE_STRING] = bt_ctf_field_string_serialize, | |
170 | }; | |
171 | ||
172 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) | |
173 | { | |
174 | struct bt_ctf_field *field = NULL; | |
175 | enum ctf_type_id type_id; | |
176 | ||
177 | if (!type) { | |
178 | goto error; | |
179 | } | |
180 | ||
181 | type_id = bt_ctf_field_type_get_type_id(type); | |
182 | if (type_id <= CTF_TYPE_UNKNOWN || | |
183 | type_id >= NR_CTF_TYPES) { | |
184 | goto error; | |
185 | } | |
186 | ||
187 | field = field_create_funcs[type_id](type); | |
188 | if (!field) { | |
189 | goto error; | |
190 | } | |
191 | ||
192 | /* The type's declaration can't change after this point */ | |
193 | bt_ctf_field_type_freeze(type); | |
194 | bt_ctf_field_type_get(type); | |
195 | bt_ctf_ref_init(&field->ref_count); | |
196 | field->type = type; | |
197 | error: | |
198 | return field; | |
199 | } | |
200 | ||
201 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
202 | { | |
203 | if (field) { | |
204 | bt_ctf_ref_get(&field->ref_count); | |
205 | } | |
206 | } | |
207 | ||
208 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
209 | { | |
210 | if (field) { | |
211 | bt_ctf_ref_put(&field->ref_count, bt_ctf_field_destroy); | |
212 | } | |
213 | } | |
214 | ||
215 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, | |
216 | struct bt_ctf_field *length_field) | |
217 | { | |
218 | int ret = 0; | |
219 | struct bt_ctf_field_type_integer *length_type; | |
220 | struct bt_ctf_field_integer *length; | |
221 | struct bt_ctf_field_sequence *sequence; | |
222 | uint64_t sequence_length; | |
223 | ||
224 | if (!field || !length_field) { | |
225 | ret = -1; | |
226 | goto end; | |
227 | } | |
228 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
229 | CTF_TYPE_INTEGER) { | |
230 | ret = -1; | |
231 | goto end; | |
232 | } | |
233 | ||
234 | length_type = container_of(length_field->type, | |
235 | struct bt_ctf_field_type_integer, parent); | |
236 | if (length_type->declaration.signedness) { | |
237 | ret = -1; | |
238 | goto end; | |
239 | } | |
240 | ||
241 | length = container_of(length_field, struct bt_ctf_field_integer, | |
242 | parent); | |
243 | sequence_length = length->definition.value._unsigned; | |
244 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
245 | if (sequence->elements) { | |
246 | g_ptr_array_free(sequence->elements, TRUE); | |
247 | bt_ctf_field_put(sequence->length); | |
248 | } | |
249 | ||
250 | sequence->elements = g_ptr_array_new_full((size_t)sequence_length, | |
251 | (GDestroyNotify)bt_ctf_field_put); | |
252 | if (!sequence->elements) { | |
253 | ret = -1; | |
254 | goto end; | |
255 | } | |
256 | ||
257 | g_ptr_array_set_size(sequence->elements, (size_t)sequence_length); | |
258 | bt_ctf_field_get(length_field); | |
259 | sequence->length = length_field; | |
260 | end: | |
261 | return ret; | |
262 | } | |
263 | ||
264 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
265 | struct bt_ctf_field *field, const char *name) | |
266 | { | |
267 | struct bt_ctf_field *new_field = NULL; | |
268 | GQuark field_quark; | |
269 | struct bt_ctf_field_structure *structure; | |
270 | struct bt_ctf_field_type_structure *structure_type; | |
271 | struct bt_ctf_field_type *field_type; | |
272 | size_t index; | |
273 | ||
274 | if (!field || !name || | |
275 | bt_ctf_field_type_get_type_id(field->type) != | |
276 | CTF_TYPE_STRUCT) { | |
277 | goto error; | |
278 | } | |
279 | ||
280 | field_quark = g_quark_from_string(name); | |
281 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
282 | structure_type = container_of(field->type, | |
283 | struct bt_ctf_field_type_structure, parent); | |
284 | field_type = bt_ctf_field_type_structure_get_type(structure_type, name); | |
285 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
286 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
287 | goto error; | |
288 | } | |
289 | ||
290 | if (structure->fields->pdata[index]) { | |
291 | new_field = structure->fields->pdata[index]; | |
292 | goto end; | |
293 | } | |
294 | ||
295 | new_field = bt_ctf_field_create(field_type); | |
296 | if (!new_field) { | |
297 | goto error; | |
298 | } | |
299 | ||
300 | structure->fields->pdata[index] = new_field; | |
301 | end: | |
302 | bt_ctf_field_get(new_field); | |
303 | error: | |
304 | return new_field; | |
305 | } | |
306 | ||
307 | BT_HIDDEN | |
308 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
309 | const char *name, struct bt_ctf_field *value) | |
310 | { | |
311 | int ret = 0; | |
312 | GQuark field_quark; | |
313 | struct bt_ctf_field_structure *structure; | |
314 | struct bt_ctf_field_type_structure *structure_type; | |
315 | struct bt_ctf_field_type *expected_field_type; | |
316 | size_t index; | |
317 | ||
318 | if (!field || !name || !value || | |
319 | bt_ctf_field_type_get_type_id(field->type) != | |
320 | CTF_TYPE_STRUCT) { | |
321 | ret = -1; | |
322 | goto end; | |
323 | } | |
324 | ||
325 | field_quark = g_quark_from_string(name); | |
326 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
327 | structure_type = container_of(field->type, | |
328 | struct bt_ctf_field_type_structure, parent); | |
329 | expected_field_type = bt_ctf_field_type_structure_get_type( | |
330 | structure_type, name); | |
331 | if (expected_field_type != value->type) { | |
332 | ret = -1; | |
333 | goto end; | |
334 | } | |
335 | ||
336 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
337 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
338 | goto end; | |
339 | } | |
340 | ||
341 | if (structure->fields->pdata[index]) { | |
342 | bt_ctf_field_put(structure->fields->pdata[index]); | |
343 | } | |
344 | ||
345 | structure->fields->pdata[index] = value; | |
346 | bt_ctf_field_get(value); | |
347 | end: | |
348 | return ret; | |
349 | } | |
350 | ||
351 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
352 | uint64_t index) | |
353 | { | |
354 | struct bt_ctf_field *new_field = NULL; | |
355 | struct bt_ctf_field_array *array; | |
356 | struct bt_ctf_field_type_array *array_type; | |
357 | struct bt_ctf_field_type *field_type; | |
358 | ||
359 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
360 | CTF_TYPE_ARRAY) { | |
361 | goto end; | |
362 | } | |
363 | ||
364 | array = container_of(field, struct bt_ctf_field_array, parent); | |
365 | if (index >= array->elements->len) { | |
366 | goto end; | |
367 | } | |
368 | ||
369 | array_type = container_of(field->type, struct bt_ctf_field_type_array, | |
370 | parent); | |
371 | field_type = bt_ctf_field_type_array_get_element_type(array_type); | |
372 | if (array->elements->pdata[(size_t)index]) { | |
373 | new_field = array->elements->pdata[(size_t)index]; | |
374 | goto end; | |
375 | } | |
376 | ||
377 | new_field = bt_ctf_field_create(field_type); | |
378 | bt_ctf_field_get(new_field); | |
379 | array->elements->pdata[(size_t)index] = new_field; | |
380 | end: | |
381 | return new_field; | |
382 | } | |
383 | ||
384 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
385 | uint64_t index) | |
386 | { | |
387 | struct bt_ctf_field *new_field = NULL; | |
388 | struct bt_ctf_field_sequence *sequence; | |
389 | struct bt_ctf_field_type_sequence *sequence_type; | |
390 | struct bt_ctf_field_type *field_type; | |
391 | ||
392 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
393 | CTF_TYPE_SEQUENCE) { | |
394 | goto end; | |
395 | } | |
396 | ||
397 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
398 | if (!sequence->elements || sequence->elements->len <= index) { | |
399 | goto end; | |
400 | } | |
401 | ||
402 | sequence_type = container_of(field->type, | |
403 | struct bt_ctf_field_type_sequence, parent); | |
404 | field_type = bt_ctf_field_type_sequence_get_element_type(sequence_type); | |
405 | if (sequence->elements->pdata[(size_t)index]) { | |
406 | new_field = sequence->elements->pdata[(size_t)index]; | |
407 | goto end; | |
408 | } | |
409 | ||
410 | new_field = bt_ctf_field_create(field_type); | |
411 | bt_ctf_field_get(new_field); | |
412 | sequence->elements->pdata[(size_t)index] = new_field; | |
413 | end: | |
414 | return new_field; | |
415 | } | |
416 | ||
417 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
418 | struct bt_ctf_field *tag_field) | |
419 | { | |
420 | struct bt_ctf_field *new_field = NULL; | |
421 | struct bt_ctf_field_variant *variant; | |
422 | struct bt_ctf_field_type_variant *variant_type; | |
423 | struct bt_ctf_field_type *field_type; | |
424 | struct bt_ctf_field *tag_enum = NULL; | |
425 | struct bt_ctf_field_integer *tag_enum_integer; | |
426 | int64_t tag_enum_value; | |
427 | ||
428 | if (!field || !tag_field || | |
429 | bt_ctf_field_type_get_type_id(field->type) != | |
430 | CTF_TYPE_VARIANT || | |
431 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
432 | CTF_TYPE_ENUM) { | |
433 | goto end; | |
434 | } | |
435 | ||
436 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
437 | variant_type = container_of(field->type, | |
438 | struct bt_ctf_field_type_variant, parent); | |
439 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
440 | if (!tag_enum) { | |
441 | goto end; | |
442 | } | |
443 | ||
444 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
445 | parent); | |
446 | ||
447 | if (!bt_ctf_field_validate(variant->tag)) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
452 | field_type = bt_ctf_field_type_variant_get_field_type(variant_type, | |
453 | tag_enum_value); | |
454 | if (!field_type) { | |
455 | goto end; | |
456 | } | |
457 | ||
458 | new_field = bt_ctf_field_create(field_type); | |
459 | if (!new_field) { | |
460 | goto end; | |
461 | } | |
462 | ||
463 | bt_ctf_field_put(variant->tag); | |
464 | bt_ctf_field_put(variant->payload); | |
465 | bt_ctf_field_get(new_field); | |
466 | bt_ctf_field_get(tag_field); | |
467 | variant->tag = tag_field; | |
468 | variant->payload = new_field; | |
469 | end: | |
470 | bt_ctf_field_put(tag_enum); | |
471 | return new_field; | |
472 | } | |
473 | ||
474 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( | |
475 | struct bt_ctf_field *field) | |
476 | { | |
477 | struct bt_ctf_field *container = NULL; | |
478 | struct bt_ctf_field_enumeration *enumeration; | |
479 | ||
480 | if (!field) { | |
481 | goto end; | |
482 | } | |
483 | ||
484 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
485 | parent); | |
486 | if (!enumeration->payload) { | |
487 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
488 | container_of(field->type, | |
489 | struct bt_ctf_field_type_enumeration, parent); | |
490 | enumeration->payload = | |
491 | bt_ctf_field_create(enumeration_type->container); | |
492 | } | |
493 | ||
494 | container = enumeration->payload; | |
495 | bt_ctf_field_get(container); | |
496 | end: | |
497 | return container; | |
498 | } | |
499 | ||
500 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, | |
501 | int64_t value) | |
502 | { | |
503 | int ret = 0; | |
504 | struct bt_ctf_field_integer *integer; | |
505 | struct bt_ctf_field_type_integer *integer_type; | |
506 | unsigned int size; | |
507 | int64_t min_value, max_value; | |
508 | ||
509 | if (!field || | |
510 | bt_ctf_field_type_get_type_id(field->type) != | |
511 | CTF_TYPE_INTEGER) { | |
512 | ret = -1; | |
513 | goto end; | |
514 | } | |
515 | ||
516 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
517 | integer_type = container_of(field->type, | |
518 | struct bt_ctf_field_type_integer, parent); | |
519 | if (!integer_type->declaration.signedness) { | |
520 | ret = -1; | |
521 | goto end; | |
522 | } | |
523 | ||
524 | size = integer_type->declaration.len; | |
525 | min_value = -((int64_t)1 << (size - 1)); | |
526 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
527 | if (value < min_value || value > max_value) { | |
528 | ret = -1; | |
529 | goto end; | |
530 | } | |
531 | ||
532 | integer->definition.value._signed = value; | |
533 | integer->parent.payload_set = 1; | |
534 | end: | |
535 | return ret; | |
536 | } | |
537 | ||
538 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, | |
539 | uint64_t value) | |
540 | { | |
541 | int ret = 0; | |
542 | struct bt_ctf_field_integer *integer; | |
543 | struct bt_ctf_field_type_integer *integer_type; | |
544 | unsigned int size; | |
545 | uint64_t max_value; | |
546 | ||
547 | if (!field || | |
548 | bt_ctf_field_type_get_type_id(field->type) != | |
549 | CTF_TYPE_INTEGER) { | |
550 | ret = -1; | |
551 | goto end; | |
552 | } | |
553 | ||
554 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
555 | integer_type = container_of(field->type, | |
556 | struct bt_ctf_field_type_integer, parent); | |
557 | if (integer_type->declaration.signedness) { | |
558 | ret = -1; | |
559 | goto end; | |
560 | } | |
561 | ||
562 | size = integer_type->declaration.len; | |
563 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
564 | if (value > max_value) { | |
565 | ret = -1; | |
566 | goto end; | |
567 | } | |
568 | ||
569 | integer->definition.value._unsigned = value; | |
570 | integer->parent.payload_set = 1; | |
571 | end: | |
572 | return ret; | |
573 | } | |
574 | ||
575 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, | |
576 | double value) | |
577 | { | |
578 | int ret = 0; | |
579 | struct bt_ctf_field_floating_point *floating_point; | |
580 | ||
581 | if (!field || | |
582 | bt_ctf_field_type_get_type_id(field->type) != | |
583 | CTF_TYPE_FLOAT) { | |
584 | ret = -1; | |
585 | goto end; | |
586 | } | |
587 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
588 | parent); | |
589 | floating_point->definition.value = value; | |
590 | floating_point->parent.payload_set = 1; | |
591 | end: | |
592 | return ret; | |
593 | } | |
594 | ||
595 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, | |
596 | const char *value) | |
597 | { | |
598 | int ret = 0; | |
599 | struct bt_ctf_field_string *string; | |
600 | ||
601 | if (!field || !value || | |
602 | bt_ctf_field_type_get_type_id(field->type) != | |
603 | CTF_TYPE_STRING) { | |
604 | ret = -1; | |
605 | goto end; | |
606 | } | |
607 | ||
608 | string = container_of(field, struct bt_ctf_field_string, parent); | |
609 | if (string->payload) { | |
610 | g_string_free(string->payload, TRUE); | |
611 | } | |
612 | ||
613 | string->payload = g_string_new(value); | |
614 | string->parent.payload_set = 1; | |
615 | end: | |
616 | return ret; | |
617 | } | |
618 | ||
619 | BT_HIDDEN | |
620 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
621 | { | |
622 | int ret = 0; | |
623 | enum ctf_type_id type_id; | |
624 | ||
625 | if (!field) { | |
626 | ret = -1; | |
627 | goto end; | |
628 | } | |
629 | ||
630 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
631 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
632 | ret = -1; | |
633 | goto end; | |
634 | } | |
635 | ||
636 | ret = field_validate_funcs[type_id](field); | |
637 | end: | |
638 | return ret; | |
639 | } | |
640 | ||
641 | BT_HIDDEN | |
642 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
643 | struct ctf_stream_pos *pos) | |
644 | { | |
645 | int ret = 0; | |
646 | enum ctf_type_id type_id; | |
647 | ||
648 | if (!field || !pos) { | |
649 | ret = -1; | |
650 | goto end; | |
651 | } | |
652 | ||
653 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
654 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
655 | ret = -1; | |
656 | goto end; | |
657 | } | |
658 | ||
659 | ret = field_serialize_funcs[type_id](field, pos); | |
660 | end: | |
661 | return ret; | |
662 | } | |
663 | ||
664 | static | |
665 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
666 | { | |
667 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
668 | struct bt_ctf_field_type_integer, parent); | |
669 | struct bt_ctf_field_integer *integer = g_new0( | |
670 | struct bt_ctf_field_integer, 1); | |
671 | ||
672 | if (integer) { | |
673 | integer->definition.declaration = &integer_type->declaration; | |
674 | } | |
675 | ||
676 | return integer ? &integer->parent : NULL; | |
677 | } | |
678 | ||
679 | static | |
680 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
681 | struct bt_ctf_field_type *type) | |
682 | { | |
683 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
684 | struct bt_ctf_field_enumeration, 1); | |
685 | ||
686 | return enumeration ? &enumeration->parent : NULL; | |
687 | } | |
688 | ||
689 | static | |
690 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
691 | struct bt_ctf_field_type *type) | |
692 | { | |
693 | struct bt_ctf_field_floating_point *floating_point; | |
694 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
695 | ||
696 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
697 | if (!floating_point) { | |
698 | goto end; | |
699 | } | |
700 | ||
701 | floating_point_type = container_of(type, | |
702 | struct bt_ctf_field_type_floating_point, parent); | |
703 | floating_point->definition.declaration = container_of( | |
704 | type->declaration, struct declaration_float, p); | |
705 | ||
706 | ||
707 | floating_point->definition.sign = &floating_point->sign; | |
708 | floating_point->sign.declaration = &floating_point_type->sign; | |
709 | floating_point->definition.sign->p.declaration = | |
710 | &floating_point_type->sign.p; | |
711 | ||
712 | floating_point->definition.mantissa = &floating_point->mantissa; | |
713 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
714 | floating_point->definition.mantissa->p.declaration = | |
715 | &floating_point_type->mantissa.p; | |
716 | ||
717 | floating_point->definition.exp = &floating_point->exp; | |
718 | floating_point->exp.declaration = &floating_point_type->exp; | |
719 | floating_point->definition.exp->p.declaration = | |
720 | &floating_point_type->exp.p; | |
721 | ||
722 | end: | |
723 | return floating_point ? &floating_point->parent : NULL; | |
724 | } | |
725 | ||
726 | static | |
727 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
728 | struct bt_ctf_field_type *type) | |
729 | { | |
730 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
731 | struct bt_ctf_field_type_structure, parent); | |
732 | struct bt_ctf_field_structure *structure = g_new0( | |
733 | struct bt_ctf_field_structure, 1); | |
734 | struct bt_ctf_field *field = NULL; | |
735 | ||
736 | if (!structure || !structure_type->fields->len) { | |
737 | goto end; | |
738 | } | |
739 | ||
740 | structure->field_name_to_index = structure_type->field_name_to_index; | |
741 | structure->fields = g_ptr_array_new_with_free_func( | |
742 | (GDestroyNotify)bt_ctf_field_put); | |
743 | g_ptr_array_set_size(structure->fields, | |
744 | g_hash_table_size(structure->field_name_to_index)); | |
745 | field = &structure->parent; | |
746 | end: | |
747 | return field; | |
748 | } | |
749 | ||
750 | static | |
751 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
752 | { | |
753 | struct bt_ctf_field_variant *variant = g_new0( | |
754 | struct bt_ctf_field_variant, 1); | |
755 | return variant ? &variant->parent : NULL; | |
756 | } | |
757 | ||
758 | static | |
759 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
760 | { | |
761 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
762 | struct bt_ctf_field_type_array *array_type; | |
763 | unsigned int array_length; | |
764 | ||
765 | if (!array || !type) { | |
766 | goto error; | |
767 | } | |
768 | ||
769 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
770 | array_length = array_type->length; | |
771 | array->elements = g_ptr_array_new_full(array_length, | |
772 | (GDestroyNotify)bt_ctf_field_put); | |
773 | if (!array->elements) { | |
774 | goto error; | |
775 | } | |
776 | ||
777 | g_ptr_array_set_size(array->elements, array_length); | |
778 | return &array->parent; | |
779 | error: | |
780 | g_free(array); | |
781 | return NULL; | |
782 | } | |
783 | ||
784 | static | |
785 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
786 | struct bt_ctf_field_type *type) | |
787 | { | |
788 | struct bt_ctf_field_sequence *sequence = g_new0( | |
789 | struct bt_ctf_field_sequence, 1); | |
790 | return sequence ? &sequence->parent : NULL; | |
791 | } | |
792 | ||
793 | static | |
794 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
795 | { | |
796 | struct bt_ctf_field_string *string = g_new0( | |
797 | struct bt_ctf_field_string, 1); | |
798 | return string ? &string->parent : NULL; | |
799 | } | |
800 | ||
801 | static | |
802 | void bt_ctf_field_destroy(struct bt_ctf_ref *ref) | |
803 | { | |
804 | struct bt_ctf_field *field; | |
805 | struct bt_ctf_field_type *type; | |
806 | enum ctf_type_id type_id; | |
807 | ||
808 | if (!ref) { | |
809 | return; | |
810 | } | |
811 | ||
812 | field = container_of(ref, struct bt_ctf_field, ref_count); | |
813 | type = field->type; | |
814 | type_id = bt_ctf_field_type_get_type_id(type); | |
815 | if (type_id <= CTF_TYPE_UNKNOWN || | |
816 | type_id >= NR_CTF_TYPES) { | |
817 | return; | |
818 | } | |
819 | ||
820 | field_destroy_funcs[type_id](field); | |
821 | if (type) { | |
822 | bt_ctf_field_type_put(type); | |
823 | } | |
824 | } | |
825 | ||
826 | static | |
827 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
828 | { | |
829 | struct bt_ctf_field_integer *integer; | |
830 | ||
831 | if (!field) { | |
832 | return; | |
833 | } | |
834 | ||
835 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
836 | g_free(integer); | |
837 | } | |
838 | ||
839 | static | |
840 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
841 | { | |
842 | struct bt_ctf_field_enumeration *enumeration; | |
843 | ||
844 | if (!field) { | |
845 | return; | |
846 | } | |
847 | ||
848 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
849 | parent); | |
850 | bt_ctf_field_put(enumeration->payload); | |
851 | g_free(enumeration); | |
852 | } | |
853 | ||
854 | static | |
855 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
856 | { | |
857 | struct bt_ctf_field_floating_point *floating_point; | |
858 | ||
859 | if (!field) { | |
860 | return; | |
861 | } | |
862 | ||
863 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
864 | parent); | |
865 | g_free(floating_point); | |
866 | } | |
867 | ||
868 | static | |
869 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
870 | { | |
871 | struct bt_ctf_field_structure *structure; | |
872 | ||
873 | if (!field) { | |
874 | return; | |
875 | } | |
876 | ||
877 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
878 | g_ptr_array_free(structure->fields, TRUE); | |
879 | g_free(structure); | |
880 | } | |
881 | ||
882 | static | |
883 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
884 | { | |
885 | struct bt_ctf_field_variant *variant; | |
886 | ||
887 | if (!field) { | |
888 | return; | |
889 | } | |
890 | ||
891 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
892 | bt_ctf_field_put(variant->tag); | |
893 | bt_ctf_field_put(variant->payload); | |
894 | g_free(variant); | |
895 | } | |
896 | ||
897 | static | |
898 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
899 | { | |
900 | struct bt_ctf_field_array *array; | |
901 | ||
902 | if (!field) { | |
903 | return; | |
904 | } | |
905 | ||
906 | array = container_of(field, struct bt_ctf_field_array, parent); | |
907 | g_ptr_array_free(array->elements, TRUE); | |
908 | g_free(array); | |
909 | } | |
910 | ||
911 | static | |
912 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
913 | { | |
914 | struct bt_ctf_field_sequence *sequence; | |
915 | ||
916 | if (!field) { | |
917 | return; | |
918 | } | |
919 | ||
920 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
921 | g_ptr_array_free(sequence->elements, TRUE); | |
922 | bt_ctf_field_put(sequence->length); | |
923 | g_free(sequence); | |
924 | } | |
925 | ||
926 | static | |
927 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
928 | { | |
929 | struct bt_ctf_field_string *string; | |
930 | if (!field) { | |
931 | return; | |
932 | } | |
933 | ||
934 | string = container_of(field, struct bt_ctf_field_string, parent); | |
935 | g_string_free(string->payload, TRUE); | |
936 | g_free(string); | |
937 | } | |
938 | ||
939 | static | |
940 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
941 | { | |
da2f6971 | 942 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
943 | } |
944 | ||
945 | static | |
946 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
947 | { | |
948 | int ret; | |
949 | struct bt_ctf_field_enumeration *enumeration; | |
950 | ||
951 | if (!field) { | |
952 | ret = -1; | |
953 | goto end; | |
954 | } | |
955 | ||
956 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
957 | parent); | |
958 | if (!enumeration->payload) { | |
959 | ret = -1; | |
960 | goto end; | |
961 | } | |
962 | ||
963 | ret = bt_ctf_field_validate(enumeration->payload); | |
964 | end: | |
965 | return ret; | |
966 | } | |
967 | ||
968 | static | |
969 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
970 | { | |
971 | size_t i; | |
972 | int ret = 0; | |
973 | struct bt_ctf_field_structure *structure; | |
974 | ||
975 | if (!field) { | |
976 | ret = -1; | |
977 | goto end; | |
978 | } | |
979 | ||
980 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
981 | for (i = 0; i < structure->fields->len; i++) { | |
982 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
983 | if (ret) { | |
984 | goto end; | |
985 | } | |
986 | } | |
987 | end: | |
988 | return ret; | |
989 | } | |
990 | ||
991 | static | |
992 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
993 | { | |
994 | int ret = 0; | |
995 | struct bt_ctf_field_variant *variant; | |
996 | ||
997 | if (!field) { | |
998 | ret = -1; | |
999 | goto end; | |
1000 | } | |
1001 | ||
1002 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1003 | ret = bt_ctf_field_validate(variant->payload); | |
1004 | end: | |
1005 | return ret; | |
1006 | } | |
1007 | ||
1008 | static | |
1009 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1010 | { | |
1011 | size_t i; | |
1012 | int ret = 0; | |
1013 | struct bt_ctf_field_array *array; | |
1014 | ||
1015 | if (!field) { | |
1016 | ret = -1; | |
1017 | goto end; | |
1018 | } | |
1019 | ||
1020 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1021 | for (i = 0; i < array->elements->len; i++) { | |
1022 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1023 | if (ret) { | |
1024 | goto end; | |
1025 | } | |
1026 | } | |
1027 | end: | |
1028 | return ret; | |
1029 | } | |
1030 | ||
1031 | static | |
1032 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1033 | { | |
1034 | size_t i; | |
1035 | int ret = 0; | |
1036 | struct bt_ctf_field_sequence *sequence; | |
1037 | ||
1038 | if (!field) { | |
1039 | ret = -1; | |
1040 | goto end; | |
1041 | } | |
1042 | ||
1043 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1044 | for (i = 0; i < sequence->elements->len; i++) { | |
1045 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1046 | if (ret) { | |
1047 | goto end; | |
1048 | } | |
1049 | } | |
1050 | end: | |
1051 | return ret; | |
1052 | } | |
1053 | ||
1054 | static | |
1055 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1056 | struct ctf_stream_pos *pos) | |
1057 | { | |
1058 | int ret = 0; | |
1059 | struct bt_ctf_field_integer *integer = container_of(field, | |
1060 | struct bt_ctf_field_integer, parent); | |
1061 | ||
1062 | retry: | |
1063 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1064 | if (ret == -EFAULT) { | |
1065 | /* | |
1066 | * The field is too large to fit in the current packet's | |
1067 | * remaining space. Bump the packet size and retry. | |
1068 | */ | |
1069 | ret = increase_packet_size(pos); | |
1070 | if (ret) { | |
1071 | goto end; | |
1072 | } | |
1073 | goto retry; | |
1074 | } | |
1075 | end: | |
1076 | return ret; | |
1077 | } | |
1078 | ||
1079 | static | |
1080 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1081 | struct ctf_stream_pos *pos) | |
1082 | { | |
1083 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1084 | field, struct bt_ctf_field_enumeration, parent); | |
1085 | ||
1086 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1087 | } | |
1088 | ||
1089 | static | |
1090 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1091 | struct ctf_stream_pos *pos) | |
1092 | { | |
1093 | int ret = 0; | |
1094 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1095 | struct bt_ctf_field_floating_point, parent); | |
1096 | ||
1097 | retry: | |
1098 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1099 | if (ret == -EFAULT) { | |
1100 | /* | |
1101 | * The field is too large to fit in the current packet's | |
1102 | * remaining space. Bump the packet size and retry. | |
1103 | */ | |
1104 | ret = increase_packet_size(pos); | |
1105 | if (ret) { | |
1106 | goto end; | |
1107 | } | |
1108 | goto retry; | |
1109 | } | |
1110 | end: | |
1111 | return ret; | |
1112 | } | |
1113 | ||
1114 | static | |
1115 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1116 | struct ctf_stream_pos *pos) | |
1117 | { | |
1118 | size_t i; | |
1119 | int ret = 0; | |
1120 | struct bt_ctf_field_structure *structure = container_of( | |
1121 | field, struct bt_ctf_field_structure, parent); | |
1122 | ||
1123 | while (!ctf_pos_access_ok(pos, | |
1124 | offset_align(pos->offset, | |
1125 | field->type->declaration->alignment))) { | |
1126 | increase_packet_size(pos); | |
1127 | } | |
1128 | ||
1129 | ctf_align_pos(pos, field->type->declaration->alignment); | |
1130 | ||
1131 | for (i = 0; i < structure->fields->len; i++) { | |
1132 | struct bt_ctf_field *field = g_ptr_array_index( | |
1133 | structure->fields, i); | |
1134 | ||
1135 | ret = bt_ctf_field_serialize(field, pos); | |
1136 | if (ret) { | |
1137 | break; | |
1138 | } | |
1139 | } | |
1140 | ||
1141 | return ret; | |
1142 | } | |
1143 | ||
1144 | static | |
1145 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1146 | struct ctf_stream_pos *pos) | |
1147 | { | |
1148 | struct bt_ctf_field_variant *variant = container_of( | |
1149 | field, struct bt_ctf_field_variant, parent); | |
1150 | ||
1151 | return bt_ctf_field_serialize(variant->payload, pos); | |
1152 | } | |
1153 | ||
1154 | static | |
1155 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1156 | struct ctf_stream_pos *pos) | |
1157 | { | |
1158 | size_t i; | |
1159 | int ret = 0; | |
1160 | struct bt_ctf_field_array *array = container_of( | |
1161 | field, struct bt_ctf_field_array, parent); | |
1162 | ||
1163 | for (i = 0; i < array->elements->len; i++) { | |
1164 | ret = bt_ctf_field_serialize( | |
1165 | g_ptr_array_index(array->elements, i), pos); | |
1166 | if (ret) { | |
1167 | goto end; | |
1168 | } | |
1169 | } | |
1170 | end: | |
1171 | return ret; | |
1172 | } | |
1173 | ||
1174 | static | |
1175 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1176 | struct ctf_stream_pos *pos) | |
1177 | { | |
1178 | size_t i; | |
1179 | int ret = 0; | |
1180 | struct bt_ctf_field_sequence *sequence = container_of( | |
1181 | field, struct bt_ctf_field_sequence, parent); | |
1182 | ||
1183 | for (i = 0; i < sequence->elements->len; i++) { | |
1184 | ret = bt_ctf_field_serialize( | |
1185 | g_ptr_array_index(sequence->elements, i), pos); | |
1186 | if (ret) { | |
1187 | goto end; | |
1188 | } | |
1189 | } | |
1190 | end: | |
1191 | return ret; | |
1192 | } | |
1193 | ||
1194 | static | |
1195 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1196 | struct ctf_stream_pos *pos) | |
1197 | { | |
1198 | size_t i; | |
1199 | int ret = 0; | |
1200 | struct bt_ctf_field_string *string = container_of(field, | |
1201 | struct bt_ctf_field_string, parent); | |
1202 | struct bt_ctf_field_type *character_type = | |
1203 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1204 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1205 | ||
1206 | for (i = 0; i < string->payload->len + 1; i++) { | |
1207 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1208 | (uint64_t) string->payload->str[i]); | |
1209 | if (ret) { | |
1210 | goto end; | |
1211 | } | |
1212 | ||
1213 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1214 | if (ret) { | |
1215 | goto end; | |
1216 | } | |
1217 | } | |
1218 | end: | |
1219 | bt_ctf_field_put(character); | |
1220 | bt_ctf_field_type_put(character_type); | |
1221 | return ret; | |
1222 | } | |
1223 | ||
1224 | static | |
1225 | int increase_packet_size(struct ctf_stream_pos *pos) | |
1226 | { | |
1227 | int ret; | |
1228 | ||
1229 | assert(pos); | |
1230 | ret = munmap_align(pos->base_mma); | |
1231 | if (ret) { | |
1232 | goto end; | |
1233 | } | |
1234 | ||
1235 | pos->packet_size += PACKET_LEN_INCREMENT; | |
1236 | ret = posix_fallocate(pos->fd, pos->mmap_offset, | |
1237 | pos->packet_size / CHAR_BIT); | |
1238 | if (ret) { | |
1239 | goto end; | |
1240 | } | |
1241 | ||
1242 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
1243 | pos->flags, pos->fd, pos->mmap_offset); | |
1244 | if (pos->base_mma == MAP_FAILED) { | |
1245 | ret = -1; | |
1246 | } | |
1247 | end: | |
1248 | return ret; | |
1249 | } |