Commit | Line | Data |
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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> | |
edcad9c1 | 33 | #include <babeltrace/compat/fcntl.h> |
273b65be JG |
34 | |
35 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) | |
36 | ||
37 | static | |
38 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); | |
39 | static | |
40 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
41 | struct bt_ctf_field_type *); | |
42 | static | |
43 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
44 | struct bt_ctf_field_type *); | |
45 | static | |
46 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
47 | struct bt_ctf_field_type *); | |
48 | static | |
49 | struct bt_ctf_field *bt_ctf_field_variant_create( | |
50 | struct bt_ctf_field_type *); | |
51 | static | |
52 | struct bt_ctf_field *bt_ctf_field_array_create( | |
53 | struct bt_ctf_field_type *); | |
54 | static | |
55 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
56 | struct bt_ctf_field_type *); | |
57 | static | |
58 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); | |
59 | ||
60 | static | |
61 | void bt_ctf_field_destroy(struct bt_ctf_ref *); | |
62 | static | |
63 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); | |
64 | static | |
65 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); | |
66 | static | |
67 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); | |
68 | static | |
69 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); | |
70 | static | |
71 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); | |
72 | static | |
73 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); | |
74 | static | |
75 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); | |
76 | static | |
77 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); | |
78 | ||
79 | static | |
80 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field); | |
81 | static | |
82 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field); | |
83 | static | |
84 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field); | |
85 | static | |
86 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field); | |
87 | static | |
88 | int bt_ctf_field_array_validate(struct bt_ctf_field *field); | |
89 | static | |
90 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field); | |
91 | ||
92 | static | |
93 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
94 | struct ctf_stream_pos *); | |
95 | static | |
96 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
97 | struct ctf_stream_pos *); | |
98 | static | |
99 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
100 | struct ctf_stream_pos *); | |
101 | static | |
102 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
103 | struct ctf_stream_pos *); | |
104 | static | |
105 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
106 | struct ctf_stream_pos *); | |
107 | static | |
108 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
109 | struct ctf_stream_pos *); | |
110 | static | |
111 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
112 | struct ctf_stream_pos *); | |
113 | static | |
114 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
115 | struct ctf_stream_pos *); | |
116 | ||
117 | static | |
118 | int increase_packet_size(struct ctf_stream_pos *pos); | |
119 | ||
120 | static | |
121 | struct bt_ctf_field *(*field_create_funcs[])( | |
122 | struct bt_ctf_field_type *) = { | |
123 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_create, | |
124 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create, | |
125 | [CTF_TYPE_FLOAT] = | |
126 | bt_ctf_field_floating_point_create, | |
127 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_create, | |
128 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_create, | |
129 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_create, | |
130 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_create, | |
131 | [CTF_TYPE_STRING] = bt_ctf_field_string_create, | |
132 | }; | |
133 | ||
134 | static | |
135 | void (*field_destroy_funcs[])(struct bt_ctf_field *) = { | |
136 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy, | |
137 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy, | |
138 | [CTF_TYPE_FLOAT] = | |
139 | bt_ctf_field_floating_point_destroy, | |
140 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_destroy, | |
141 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_destroy, | |
142 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_destroy, | |
143 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
144 | [CTF_TYPE_STRING] = bt_ctf_field_string_destroy, | |
145 | }; | |
146 | ||
147 | static | |
148 | int (*field_validate_funcs[])(struct bt_ctf_field *) = { | |
149 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate, | |
150 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate, | |
151 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate, | |
152 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_validate, | |
153 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_validate, | |
154 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_validate, | |
155 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_validate, | |
156 | [CTF_TYPE_STRING] = bt_ctf_field_generic_validate, | |
157 | }; | |
158 | ||
159 | static | |
160 | int (*field_serialize_funcs[])(struct bt_ctf_field *, | |
161 | struct ctf_stream_pos *) = { | |
162 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize, | |
163 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize, | |
164 | [CTF_TYPE_FLOAT] = | |
165 | bt_ctf_field_floating_point_serialize, | |
166 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_serialize, | |
167 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_serialize, | |
168 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_serialize, | |
169 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
170 | [CTF_TYPE_STRING] = bt_ctf_field_string_serialize, | |
171 | }; | |
172 | ||
173 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) | |
174 | { | |
175 | struct bt_ctf_field *field = NULL; | |
176 | enum ctf_type_id type_id; | |
177 | ||
178 | if (!type) { | |
179 | goto error; | |
180 | } | |
181 | ||
182 | type_id = bt_ctf_field_type_get_type_id(type); | |
9ce21c30 JG |
183 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES || |
184 | bt_ctf_field_type_validate(type)) { | |
273b65be JG |
185 | goto error; |
186 | } | |
187 | ||
188 | field = field_create_funcs[type_id](type); | |
189 | if (!field) { | |
190 | goto error; | |
191 | } | |
192 | ||
193 | /* The type's declaration can't change after this point */ | |
194 | bt_ctf_field_type_freeze(type); | |
195 | bt_ctf_field_type_get(type); | |
196 | bt_ctf_ref_init(&field->ref_count); | |
197 | field->type = type; | |
198 | error: | |
199 | return field; | |
200 | } | |
201 | ||
202 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
203 | { | |
204 | if (field) { | |
205 | bt_ctf_ref_get(&field->ref_count); | |
206 | } | |
207 | } | |
208 | ||
209 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
210 | { | |
211 | if (field) { | |
212 | bt_ctf_ref_put(&field->ref_count, bt_ctf_field_destroy); | |
213 | } | |
214 | } | |
215 | ||
216 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, | |
217 | struct bt_ctf_field *length_field) | |
218 | { | |
219 | int ret = 0; | |
220 | struct bt_ctf_field_type_integer *length_type; | |
221 | struct bt_ctf_field_integer *length; | |
222 | struct bt_ctf_field_sequence *sequence; | |
223 | uint64_t sequence_length; | |
224 | ||
225 | if (!field || !length_field) { | |
226 | ret = -1; | |
227 | goto end; | |
228 | } | |
229 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
230 | CTF_TYPE_INTEGER) { | |
231 | ret = -1; | |
232 | goto end; | |
233 | } | |
234 | ||
235 | length_type = container_of(length_field->type, | |
236 | struct bt_ctf_field_type_integer, parent); | |
237 | if (length_type->declaration.signedness) { | |
238 | ret = -1; | |
239 | goto end; | |
240 | } | |
241 | ||
242 | length = container_of(length_field, struct bt_ctf_field_integer, | |
243 | parent); | |
244 | sequence_length = length->definition.value._unsigned; | |
245 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
246 | if (sequence->elements) { | |
247 | g_ptr_array_free(sequence->elements, TRUE); | |
248 | bt_ctf_field_put(sequence->length); | |
249 | } | |
250 | ||
fe0fe95c | 251 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
252 | if (!sequence->elements) { |
253 | ret = -1; | |
254 | goto end; | |
255 | } | |
256 | ||
fe0fe95c JG |
257 | g_ptr_array_set_free_func(sequence->elements, |
258 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
259 | g_ptr_array_set_size(sequence->elements, (size_t)sequence_length); |
260 | bt_ctf_field_get(length_field); | |
261 | sequence->length = length_field; | |
262 | end: | |
263 | return ret; | |
264 | } | |
265 | ||
266 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
267 | struct bt_ctf_field *field, const char *name) | |
268 | { | |
269 | struct bt_ctf_field *new_field = NULL; | |
270 | GQuark field_quark; | |
271 | struct bt_ctf_field_structure *structure; | |
272 | struct bt_ctf_field_type_structure *structure_type; | |
273 | struct bt_ctf_field_type *field_type; | |
274 | size_t index; | |
275 | ||
276 | if (!field || !name || | |
277 | bt_ctf_field_type_get_type_id(field->type) != | |
278 | CTF_TYPE_STRUCT) { | |
279 | goto error; | |
280 | } | |
281 | ||
282 | field_quark = g_quark_from_string(name); | |
283 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
284 | structure_type = container_of(field->type, | |
285 | struct bt_ctf_field_type_structure, parent); | |
286 | field_type = bt_ctf_field_type_structure_get_type(structure_type, name); | |
287 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
288 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
289 | goto error; | |
290 | } | |
291 | ||
292 | if (structure->fields->pdata[index]) { | |
293 | new_field = structure->fields->pdata[index]; | |
294 | goto end; | |
295 | } | |
296 | ||
297 | new_field = bt_ctf_field_create(field_type); | |
298 | if (!new_field) { | |
299 | goto error; | |
300 | } | |
301 | ||
302 | structure->fields->pdata[index] = new_field; | |
303 | end: | |
304 | bt_ctf_field_get(new_field); | |
305 | error: | |
306 | return new_field; | |
307 | } | |
308 | ||
309 | BT_HIDDEN | |
310 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
311 | const char *name, struct bt_ctf_field *value) | |
312 | { | |
313 | int ret = 0; | |
314 | GQuark field_quark; | |
315 | struct bt_ctf_field_structure *structure; | |
316 | struct bt_ctf_field_type_structure *structure_type; | |
317 | struct bt_ctf_field_type *expected_field_type; | |
318 | size_t index; | |
319 | ||
320 | if (!field || !name || !value || | |
321 | bt_ctf_field_type_get_type_id(field->type) != | |
322 | CTF_TYPE_STRUCT) { | |
323 | ret = -1; | |
324 | goto end; | |
325 | } | |
326 | ||
327 | field_quark = g_quark_from_string(name); | |
328 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
329 | structure_type = container_of(field->type, | |
330 | struct bt_ctf_field_type_structure, parent); | |
331 | expected_field_type = bt_ctf_field_type_structure_get_type( | |
332 | structure_type, name); | |
333 | if (expected_field_type != value->type) { | |
334 | ret = -1; | |
335 | goto end; | |
336 | } | |
337 | ||
338 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
339 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
340 | goto end; | |
341 | } | |
342 | ||
343 | if (structure->fields->pdata[index]) { | |
344 | bt_ctf_field_put(structure->fields->pdata[index]); | |
345 | } | |
346 | ||
347 | structure->fields->pdata[index] = value; | |
348 | bt_ctf_field_get(value); | |
349 | end: | |
350 | return ret; | |
351 | } | |
352 | ||
353 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
354 | uint64_t index) | |
355 | { | |
356 | struct bt_ctf_field *new_field = NULL; | |
357 | struct bt_ctf_field_array *array; | |
358 | struct bt_ctf_field_type_array *array_type; | |
359 | struct bt_ctf_field_type *field_type; | |
360 | ||
361 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
362 | CTF_TYPE_ARRAY) { | |
363 | goto end; | |
364 | } | |
365 | ||
366 | array = container_of(field, struct bt_ctf_field_array, parent); | |
367 | if (index >= array->elements->len) { | |
368 | goto end; | |
369 | } | |
370 | ||
371 | array_type = container_of(field->type, struct bt_ctf_field_type_array, | |
372 | parent); | |
373 | field_type = bt_ctf_field_type_array_get_element_type(array_type); | |
374 | if (array->elements->pdata[(size_t)index]) { | |
375 | new_field = array->elements->pdata[(size_t)index]; | |
376 | goto end; | |
377 | } | |
378 | ||
379 | new_field = bt_ctf_field_create(field_type); | |
380 | bt_ctf_field_get(new_field); | |
381 | array->elements->pdata[(size_t)index] = new_field; | |
382 | end: | |
383 | return new_field; | |
384 | } | |
385 | ||
386 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
387 | uint64_t index) | |
388 | { | |
389 | struct bt_ctf_field *new_field = NULL; | |
390 | struct bt_ctf_field_sequence *sequence; | |
391 | struct bt_ctf_field_type_sequence *sequence_type; | |
392 | struct bt_ctf_field_type *field_type; | |
393 | ||
394 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
395 | CTF_TYPE_SEQUENCE) { | |
396 | goto end; | |
397 | } | |
398 | ||
399 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
400 | if (!sequence->elements || sequence->elements->len <= index) { | |
401 | goto end; | |
402 | } | |
403 | ||
404 | sequence_type = container_of(field->type, | |
405 | struct bt_ctf_field_type_sequence, parent); | |
406 | field_type = bt_ctf_field_type_sequence_get_element_type(sequence_type); | |
407 | if (sequence->elements->pdata[(size_t)index]) { | |
408 | new_field = sequence->elements->pdata[(size_t)index]; | |
409 | goto end; | |
410 | } | |
411 | ||
412 | new_field = bt_ctf_field_create(field_type); | |
413 | bt_ctf_field_get(new_field); | |
414 | sequence->elements->pdata[(size_t)index] = new_field; | |
415 | end: | |
416 | return new_field; | |
417 | } | |
418 | ||
419 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
420 | struct bt_ctf_field *tag_field) | |
421 | { | |
422 | struct bt_ctf_field *new_field = NULL; | |
423 | struct bt_ctf_field_variant *variant; | |
424 | struct bt_ctf_field_type_variant *variant_type; | |
425 | struct bt_ctf_field_type *field_type; | |
426 | struct bt_ctf_field *tag_enum = NULL; | |
427 | struct bt_ctf_field_integer *tag_enum_integer; | |
428 | int64_t tag_enum_value; | |
429 | ||
430 | if (!field || !tag_field || | |
431 | bt_ctf_field_type_get_type_id(field->type) != | |
432 | CTF_TYPE_VARIANT || | |
433 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
434 | CTF_TYPE_ENUM) { | |
435 | goto end; | |
436 | } | |
437 | ||
438 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
439 | variant_type = container_of(field->type, | |
440 | struct bt_ctf_field_type_variant, parent); | |
441 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
442 | if (!tag_enum) { | |
443 | goto end; | |
444 | } | |
445 | ||
446 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
447 | parent); | |
448 | ||
a53ed923 | 449 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
450 | goto end; |
451 | } | |
452 | ||
453 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
454 | field_type = bt_ctf_field_type_variant_get_field_type(variant_type, | |
455 | tag_enum_value); | |
456 | if (!field_type) { | |
457 | goto end; | |
458 | } | |
459 | ||
460 | new_field = bt_ctf_field_create(field_type); | |
461 | if (!new_field) { | |
462 | goto end; | |
463 | } | |
464 | ||
465 | bt_ctf_field_put(variant->tag); | |
466 | bt_ctf_field_put(variant->payload); | |
467 | bt_ctf_field_get(new_field); | |
468 | bt_ctf_field_get(tag_field); | |
469 | variant->tag = tag_field; | |
470 | variant->payload = new_field; | |
471 | end: | |
472 | bt_ctf_field_put(tag_enum); | |
473 | return new_field; | |
474 | } | |
475 | ||
476 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( | |
477 | struct bt_ctf_field *field) | |
478 | { | |
479 | struct bt_ctf_field *container = NULL; | |
480 | struct bt_ctf_field_enumeration *enumeration; | |
481 | ||
482 | if (!field) { | |
483 | goto end; | |
484 | } | |
485 | ||
486 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
487 | parent); | |
488 | if (!enumeration->payload) { | |
489 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
490 | container_of(field->type, | |
491 | struct bt_ctf_field_type_enumeration, parent); | |
492 | enumeration->payload = | |
493 | bt_ctf_field_create(enumeration_type->container); | |
494 | } | |
495 | ||
496 | container = enumeration->payload; | |
497 | bt_ctf_field_get(container); | |
498 | end: | |
499 | return container; | |
500 | } | |
501 | ||
502 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, | |
503 | int64_t value) | |
504 | { | |
505 | int ret = 0; | |
506 | struct bt_ctf_field_integer *integer; | |
507 | struct bt_ctf_field_type_integer *integer_type; | |
508 | unsigned int size; | |
509 | int64_t min_value, max_value; | |
510 | ||
511 | if (!field || | |
512 | bt_ctf_field_type_get_type_id(field->type) != | |
513 | CTF_TYPE_INTEGER) { | |
514 | ret = -1; | |
515 | goto end; | |
516 | } | |
517 | ||
518 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
519 | integer_type = container_of(field->type, | |
520 | struct bt_ctf_field_type_integer, parent); | |
521 | if (!integer_type->declaration.signedness) { | |
522 | ret = -1; | |
523 | goto end; | |
524 | } | |
525 | ||
526 | size = integer_type->declaration.len; | |
8aaa0517 JG |
527 | min_value = -(1ULL << (size - 1)); |
528 | max_value = (1ULL << (size - 1)) - 1; | |
273b65be JG |
529 | if (value < min_value || value > max_value) { |
530 | ret = -1; | |
531 | goto end; | |
532 | } | |
533 | ||
534 | integer->definition.value._signed = value; | |
535 | integer->parent.payload_set = 1; | |
536 | end: | |
537 | return ret; | |
538 | } | |
539 | ||
540 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, | |
541 | uint64_t value) | |
542 | { | |
543 | int ret = 0; | |
544 | struct bt_ctf_field_integer *integer; | |
545 | struct bt_ctf_field_type_integer *integer_type; | |
546 | unsigned int size; | |
547 | uint64_t max_value; | |
548 | ||
549 | if (!field || | |
550 | bt_ctf_field_type_get_type_id(field->type) != | |
551 | CTF_TYPE_INTEGER) { | |
552 | ret = -1; | |
553 | goto end; | |
554 | } | |
555 | ||
556 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
557 | integer_type = container_of(field->type, | |
558 | struct bt_ctf_field_type_integer, parent); | |
559 | if (integer_type->declaration.signedness) { | |
560 | ret = -1; | |
561 | goto end; | |
562 | } | |
563 | ||
564 | size = integer_type->declaration.len; | |
565 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
566 | if (value > max_value) { | |
567 | ret = -1; | |
568 | goto end; | |
569 | } | |
570 | ||
571 | integer->definition.value._unsigned = value; | |
572 | integer->parent.payload_set = 1; | |
573 | end: | |
574 | return ret; | |
575 | } | |
576 | ||
577 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, | |
578 | double value) | |
579 | { | |
580 | int ret = 0; | |
581 | struct bt_ctf_field_floating_point *floating_point; | |
582 | ||
583 | if (!field || | |
584 | bt_ctf_field_type_get_type_id(field->type) != | |
585 | CTF_TYPE_FLOAT) { | |
586 | ret = -1; | |
587 | goto end; | |
588 | } | |
589 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
590 | parent); | |
591 | floating_point->definition.value = value; | |
592 | floating_point->parent.payload_set = 1; | |
593 | end: | |
594 | return ret; | |
595 | } | |
596 | ||
597 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, | |
598 | const char *value) | |
599 | { | |
600 | int ret = 0; | |
601 | struct bt_ctf_field_string *string; | |
602 | ||
603 | if (!field || !value || | |
604 | bt_ctf_field_type_get_type_id(field->type) != | |
605 | CTF_TYPE_STRING) { | |
606 | ret = -1; | |
607 | goto end; | |
608 | } | |
609 | ||
610 | string = container_of(field, struct bt_ctf_field_string, parent); | |
611 | if (string->payload) { | |
612 | g_string_free(string->payload, TRUE); | |
613 | } | |
614 | ||
615 | string->payload = g_string_new(value); | |
616 | string->parent.payload_set = 1; | |
617 | end: | |
618 | return ret; | |
619 | } | |
620 | ||
621 | BT_HIDDEN | |
622 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
623 | { | |
624 | int ret = 0; | |
625 | enum ctf_type_id type_id; | |
626 | ||
627 | if (!field) { | |
628 | ret = -1; | |
629 | goto end; | |
630 | } | |
631 | ||
632 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
633 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
634 | ret = -1; | |
635 | goto end; | |
636 | } | |
637 | ||
638 | ret = field_validate_funcs[type_id](field); | |
639 | end: | |
640 | return ret; | |
641 | } | |
642 | ||
643 | BT_HIDDEN | |
644 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
645 | struct ctf_stream_pos *pos) | |
646 | { | |
647 | int ret = 0; | |
648 | enum ctf_type_id type_id; | |
649 | ||
650 | if (!field || !pos) { | |
651 | ret = -1; | |
652 | goto end; | |
653 | } | |
654 | ||
655 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
656 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
657 | ret = -1; | |
658 | goto end; | |
659 | } | |
660 | ||
661 | ret = field_serialize_funcs[type_id](field, pos); | |
662 | end: | |
663 | return ret; | |
664 | } | |
665 | ||
666 | static | |
667 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
668 | { | |
669 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
670 | struct bt_ctf_field_type_integer, parent); | |
671 | struct bt_ctf_field_integer *integer = g_new0( | |
672 | struct bt_ctf_field_integer, 1); | |
673 | ||
674 | if (integer) { | |
675 | integer->definition.declaration = &integer_type->declaration; | |
676 | } | |
677 | ||
678 | return integer ? &integer->parent : NULL; | |
679 | } | |
680 | ||
681 | static | |
682 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
683 | struct bt_ctf_field_type *type) | |
684 | { | |
685 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
686 | struct bt_ctf_field_enumeration, 1); | |
687 | ||
688 | return enumeration ? &enumeration->parent : NULL; | |
689 | } | |
690 | ||
691 | static | |
692 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
693 | struct bt_ctf_field_type *type) | |
694 | { | |
695 | struct bt_ctf_field_floating_point *floating_point; | |
696 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
697 | ||
698 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
699 | if (!floating_point) { | |
700 | goto end; | |
701 | } | |
702 | ||
703 | floating_point_type = container_of(type, | |
704 | struct bt_ctf_field_type_floating_point, parent); | |
705 | floating_point->definition.declaration = container_of( | |
706 | type->declaration, struct declaration_float, p); | |
707 | ||
708 | ||
709 | floating_point->definition.sign = &floating_point->sign; | |
710 | floating_point->sign.declaration = &floating_point_type->sign; | |
711 | floating_point->definition.sign->p.declaration = | |
712 | &floating_point_type->sign.p; | |
713 | ||
714 | floating_point->definition.mantissa = &floating_point->mantissa; | |
715 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
716 | floating_point->definition.mantissa->p.declaration = | |
717 | &floating_point_type->mantissa.p; | |
718 | ||
719 | floating_point->definition.exp = &floating_point->exp; | |
720 | floating_point->exp.declaration = &floating_point_type->exp; | |
721 | floating_point->definition.exp->p.declaration = | |
722 | &floating_point_type->exp.p; | |
723 | ||
724 | end: | |
725 | return floating_point ? &floating_point->parent : NULL; | |
726 | } | |
727 | ||
728 | static | |
729 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
730 | struct bt_ctf_field_type *type) | |
731 | { | |
732 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
733 | struct bt_ctf_field_type_structure, parent); | |
734 | struct bt_ctf_field_structure *structure = g_new0( | |
735 | struct bt_ctf_field_structure, 1); | |
736 | struct bt_ctf_field *field = NULL; | |
737 | ||
738 | if (!structure || !structure_type->fields->len) { | |
739 | goto end; | |
740 | } | |
741 | ||
742 | structure->field_name_to_index = structure_type->field_name_to_index; | |
743 | structure->fields = g_ptr_array_new_with_free_func( | |
744 | (GDestroyNotify)bt_ctf_field_put); | |
745 | g_ptr_array_set_size(structure->fields, | |
746 | g_hash_table_size(structure->field_name_to_index)); | |
747 | field = &structure->parent; | |
748 | end: | |
749 | return field; | |
750 | } | |
751 | ||
752 | static | |
753 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
754 | { | |
755 | struct bt_ctf_field_variant *variant = g_new0( | |
756 | struct bt_ctf_field_variant, 1); | |
757 | return variant ? &variant->parent : NULL; | |
758 | } | |
759 | ||
760 | static | |
761 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
762 | { | |
763 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
764 | struct bt_ctf_field_type_array *array_type; | |
765 | unsigned int array_length; | |
766 | ||
767 | if (!array || !type) { | |
768 | goto error; | |
769 | } | |
770 | ||
771 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
772 | array_length = array_type->length; | |
fe0fe95c | 773 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
774 | if (!array->elements) { |
775 | goto error; | |
776 | } | |
777 | ||
fe0fe95c JG |
778 | g_ptr_array_set_free_func(array->elements, |
779 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
780 | g_ptr_array_set_size(array->elements, array_length); |
781 | return &array->parent; | |
782 | error: | |
783 | g_free(array); | |
784 | return NULL; | |
785 | } | |
786 | ||
787 | static | |
788 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
789 | struct bt_ctf_field_type *type) | |
790 | { | |
791 | struct bt_ctf_field_sequence *sequence = g_new0( | |
792 | struct bt_ctf_field_sequence, 1); | |
793 | return sequence ? &sequence->parent : NULL; | |
794 | } | |
795 | ||
796 | static | |
797 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
798 | { | |
799 | struct bt_ctf_field_string *string = g_new0( | |
800 | struct bt_ctf_field_string, 1); | |
801 | return string ? &string->parent : NULL; | |
802 | } | |
803 | ||
804 | static | |
805 | void bt_ctf_field_destroy(struct bt_ctf_ref *ref) | |
806 | { | |
807 | struct bt_ctf_field *field; | |
808 | struct bt_ctf_field_type *type; | |
809 | enum ctf_type_id type_id; | |
810 | ||
811 | if (!ref) { | |
812 | return; | |
813 | } | |
814 | ||
815 | field = container_of(ref, struct bt_ctf_field, ref_count); | |
816 | type = field->type; | |
817 | type_id = bt_ctf_field_type_get_type_id(type); | |
818 | if (type_id <= CTF_TYPE_UNKNOWN || | |
819 | type_id >= NR_CTF_TYPES) { | |
820 | return; | |
821 | } | |
822 | ||
823 | field_destroy_funcs[type_id](field); | |
824 | if (type) { | |
825 | bt_ctf_field_type_put(type); | |
826 | } | |
827 | } | |
828 | ||
829 | static | |
830 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
831 | { | |
832 | struct bt_ctf_field_integer *integer; | |
833 | ||
834 | if (!field) { | |
835 | return; | |
836 | } | |
837 | ||
838 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
839 | g_free(integer); | |
840 | } | |
841 | ||
842 | static | |
843 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
844 | { | |
845 | struct bt_ctf_field_enumeration *enumeration; | |
846 | ||
847 | if (!field) { | |
848 | return; | |
849 | } | |
850 | ||
851 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
852 | parent); | |
853 | bt_ctf_field_put(enumeration->payload); | |
854 | g_free(enumeration); | |
855 | } | |
856 | ||
857 | static | |
858 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
859 | { | |
860 | struct bt_ctf_field_floating_point *floating_point; | |
861 | ||
862 | if (!field) { | |
863 | return; | |
864 | } | |
865 | ||
866 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
867 | parent); | |
868 | g_free(floating_point); | |
869 | } | |
870 | ||
871 | static | |
872 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
873 | { | |
874 | struct bt_ctf_field_structure *structure; | |
875 | ||
876 | if (!field) { | |
877 | return; | |
878 | } | |
879 | ||
880 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
881 | g_ptr_array_free(structure->fields, TRUE); | |
882 | g_free(structure); | |
883 | } | |
884 | ||
885 | static | |
886 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
887 | { | |
888 | struct bt_ctf_field_variant *variant; | |
889 | ||
890 | if (!field) { | |
891 | return; | |
892 | } | |
893 | ||
894 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
895 | bt_ctf_field_put(variant->tag); | |
896 | bt_ctf_field_put(variant->payload); | |
897 | g_free(variant); | |
898 | } | |
899 | ||
900 | static | |
901 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
902 | { | |
903 | struct bt_ctf_field_array *array; | |
904 | ||
905 | if (!field) { | |
906 | return; | |
907 | } | |
908 | ||
909 | array = container_of(field, struct bt_ctf_field_array, parent); | |
910 | g_ptr_array_free(array->elements, TRUE); | |
911 | g_free(array); | |
912 | } | |
913 | ||
914 | static | |
915 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
916 | { | |
917 | struct bt_ctf_field_sequence *sequence; | |
918 | ||
919 | if (!field) { | |
920 | return; | |
921 | } | |
922 | ||
923 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
924 | g_ptr_array_free(sequence->elements, TRUE); | |
925 | bt_ctf_field_put(sequence->length); | |
926 | g_free(sequence); | |
927 | } | |
928 | ||
929 | static | |
930 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
931 | { | |
932 | struct bt_ctf_field_string *string; | |
933 | if (!field) { | |
934 | return; | |
935 | } | |
936 | ||
937 | string = container_of(field, struct bt_ctf_field_string, parent); | |
938 | g_string_free(string->payload, TRUE); | |
939 | g_free(string); | |
940 | } | |
941 | ||
942 | static | |
943 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
944 | { | |
da2f6971 | 945 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
946 | } |
947 | ||
948 | static | |
949 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
950 | { | |
951 | int ret; | |
952 | struct bt_ctf_field_enumeration *enumeration; | |
953 | ||
954 | if (!field) { | |
955 | ret = -1; | |
956 | goto end; | |
957 | } | |
958 | ||
959 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
960 | parent); | |
961 | if (!enumeration->payload) { | |
962 | ret = -1; | |
963 | goto end; | |
964 | } | |
965 | ||
966 | ret = bt_ctf_field_validate(enumeration->payload); | |
967 | end: | |
968 | return ret; | |
969 | } | |
970 | ||
971 | static | |
972 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
973 | { | |
974 | size_t i; | |
975 | int ret = 0; | |
976 | struct bt_ctf_field_structure *structure; | |
977 | ||
978 | if (!field) { | |
979 | ret = -1; | |
980 | goto end; | |
981 | } | |
982 | ||
983 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
984 | for (i = 0; i < structure->fields->len; i++) { | |
985 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
986 | if (ret) { | |
987 | goto end; | |
988 | } | |
989 | } | |
990 | end: | |
991 | return ret; | |
992 | } | |
993 | ||
994 | static | |
995 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
996 | { | |
997 | int ret = 0; | |
998 | struct bt_ctf_field_variant *variant; | |
999 | ||
1000 | if (!field) { | |
1001 | ret = -1; | |
1002 | goto end; | |
1003 | } | |
1004 | ||
1005 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1006 | ret = bt_ctf_field_validate(variant->payload); | |
1007 | end: | |
1008 | return ret; | |
1009 | } | |
1010 | ||
1011 | static | |
1012 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1013 | { | |
1014 | size_t i; | |
1015 | int ret = 0; | |
1016 | struct bt_ctf_field_array *array; | |
1017 | ||
1018 | if (!field) { | |
1019 | ret = -1; | |
1020 | goto end; | |
1021 | } | |
1022 | ||
1023 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1024 | for (i = 0; i < array->elements->len; i++) { | |
1025 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1026 | if (ret) { | |
1027 | goto end; | |
1028 | } | |
1029 | } | |
1030 | end: | |
1031 | return ret; | |
1032 | } | |
1033 | ||
1034 | static | |
1035 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1036 | { | |
1037 | size_t i; | |
1038 | int ret = 0; | |
1039 | struct bt_ctf_field_sequence *sequence; | |
1040 | ||
1041 | if (!field) { | |
1042 | ret = -1; | |
1043 | goto end; | |
1044 | } | |
1045 | ||
1046 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1047 | for (i = 0; i < sequence->elements->len; i++) { | |
1048 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1049 | if (ret) { | |
1050 | goto end; | |
1051 | } | |
1052 | } | |
1053 | end: | |
1054 | return ret; | |
1055 | } | |
1056 | ||
1057 | static | |
1058 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1059 | struct ctf_stream_pos *pos) | |
1060 | { | |
1061 | int ret = 0; | |
1062 | struct bt_ctf_field_integer *integer = container_of(field, | |
1063 | struct bt_ctf_field_integer, parent); | |
1064 | ||
1065 | retry: | |
1066 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1067 | if (ret == -EFAULT) { | |
1068 | /* | |
1069 | * The field is too large to fit in the current packet's | |
1070 | * remaining space. Bump the packet size and retry. | |
1071 | */ | |
1072 | ret = increase_packet_size(pos); | |
1073 | if (ret) { | |
1074 | goto end; | |
1075 | } | |
1076 | goto retry; | |
1077 | } | |
1078 | end: | |
1079 | return ret; | |
1080 | } | |
1081 | ||
1082 | static | |
1083 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1084 | struct ctf_stream_pos *pos) | |
1085 | { | |
1086 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1087 | field, struct bt_ctf_field_enumeration, parent); | |
1088 | ||
1089 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1090 | } | |
1091 | ||
1092 | static | |
1093 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1094 | struct ctf_stream_pos *pos) | |
1095 | { | |
1096 | int ret = 0; | |
1097 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1098 | struct bt_ctf_field_floating_point, parent); | |
1099 | ||
1100 | retry: | |
1101 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1102 | if (ret == -EFAULT) { | |
1103 | /* | |
1104 | * The field is too large to fit in the current packet's | |
1105 | * remaining space. Bump the packet size and retry. | |
1106 | */ | |
1107 | ret = increase_packet_size(pos); | |
1108 | if (ret) { | |
1109 | goto end; | |
1110 | } | |
1111 | goto retry; | |
1112 | } | |
1113 | end: | |
1114 | return ret; | |
1115 | } | |
1116 | ||
1117 | static | |
1118 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1119 | struct ctf_stream_pos *pos) | |
1120 | { | |
1121 | size_t i; | |
1122 | int ret = 0; | |
1123 | struct bt_ctf_field_structure *structure = container_of( | |
1124 | field, struct bt_ctf_field_structure, parent); | |
1125 | ||
1126 | while (!ctf_pos_access_ok(pos, | |
1127 | offset_align(pos->offset, | |
1128 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1129 | ret = increase_packet_size(pos); |
1130 | if (ret) { | |
1131 | goto end; | |
1132 | } | |
273b65be JG |
1133 | } |
1134 | ||
70fd5a51 MD |
1135 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1136 | ret = -1; | |
1137 | goto end; | |
1138 | } | |
273b65be JG |
1139 | |
1140 | for (i = 0; i < structure->fields->len; i++) { | |
1141 | struct bt_ctf_field *field = g_ptr_array_index( | |
1142 | structure->fields, i); | |
1143 | ||
1144 | ret = bt_ctf_field_serialize(field, pos); | |
1145 | if (ret) { | |
1146 | break; | |
1147 | } | |
1148 | } | |
9f56e450 | 1149 | end: |
273b65be JG |
1150 | return ret; |
1151 | } | |
1152 | ||
1153 | static | |
1154 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1155 | struct ctf_stream_pos *pos) | |
1156 | { | |
1157 | struct bt_ctf_field_variant *variant = container_of( | |
1158 | field, struct bt_ctf_field_variant, parent); | |
1159 | ||
1160 | return bt_ctf_field_serialize(variant->payload, pos); | |
1161 | } | |
1162 | ||
1163 | static | |
1164 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1165 | struct ctf_stream_pos *pos) | |
1166 | { | |
1167 | size_t i; | |
1168 | int ret = 0; | |
1169 | struct bt_ctf_field_array *array = container_of( | |
1170 | field, struct bt_ctf_field_array, parent); | |
1171 | ||
1172 | for (i = 0; i < array->elements->len; i++) { | |
1173 | ret = bt_ctf_field_serialize( | |
1174 | g_ptr_array_index(array->elements, i), pos); | |
1175 | if (ret) { | |
1176 | goto end; | |
1177 | } | |
1178 | } | |
1179 | end: | |
1180 | return ret; | |
1181 | } | |
1182 | ||
1183 | static | |
1184 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1185 | struct ctf_stream_pos *pos) | |
1186 | { | |
1187 | size_t i; | |
1188 | int ret = 0; | |
1189 | struct bt_ctf_field_sequence *sequence = container_of( | |
1190 | field, struct bt_ctf_field_sequence, parent); | |
1191 | ||
1192 | for (i = 0; i < sequence->elements->len; i++) { | |
1193 | ret = bt_ctf_field_serialize( | |
1194 | g_ptr_array_index(sequence->elements, i), pos); | |
1195 | if (ret) { | |
1196 | goto end; | |
1197 | } | |
1198 | } | |
1199 | end: | |
1200 | return ret; | |
1201 | } | |
1202 | ||
1203 | static | |
1204 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1205 | struct ctf_stream_pos *pos) | |
1206 | { | |
1207 | size_t i; | |
1208 | int ret = 0; | |
1209 | struct bt_ctf_field_string *string = container_of(field, | |
1210 | struct bt_ctf_field_string, parent); | |
1211 | struct bt_ctf_field_type *character_type = | |
1212 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1213 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1214 | ||
1215 | for (i = 0; i < string->payload->len + 1; i++) { | |
1216 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1217 | (uint64_t) string->payload->str[i]); | |
1218 | if (ret) { | |
1219 | goto end; | |
1220 | } | |
1221 | ||
1222 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1223 | if (ret) { | |
1224 | goto end; | |
1225 | } | |
1226 | } | |
1227 | end: | |
1228 | bt_ctf_field_put(character); | |
1229 | bt_ctf_field_type_put(character_type); | |
1230 | return ret; | |
1231 | } | |
1232 | ||
1233 | static | |
1234 | int increase_packet_size(struct ctf_stream_pos *pos) | |
1235 | { | |
1236 | int ret; | |
1237 | ||
1238 | assert(pos); | |
1239 | ret = munmap_align(pos->base_mma); | |
1240 | if (ret) { | |
1241 | goto end; | |
1242 | } | |
1243 | ||
1244 | pos->packet_size += PACKET_LEN_INCREMENT; | |
118f5776 MD |
1245 | do { |
1246 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
1247 | pos->packet_size / CHAR_BIT); | |
1248 | } while (ret == EINTR); | |
273b65be | 1249 | if (ret) { |
118f5776 MD |
1250 | errno = EINTR; |
1251 | ret = -1; | |
273b65be JG |
1252 | goto end; |
1253 | } | |
1254 | ||
1255 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
1256 | pos->flags, pos->fd, pos->mmap_offset); | |
1257 | if (pos->base_mma == MAP_FAILED) { | |
1258 | ret = -1; | |
1259 | } | |
1260 | end: | |
1261 | return ret; | |
1262 | } |