Commit | Line | Data |
---|---|---|
273b65be JG |
1 | /* |
2 | * event-fields.c | |
3 | * | |
d2dc44b6 | 4 | * Babeltrace CTF IR - Event Fields |
273b65be | 5 | * |
de9dd397 | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
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> | |
adc315b8 JG |
30 | #include <babeltrace/ctf-ir/event-fields-internal.h> |
31 | #include <babeltrace/ctf-ir/event-types-internal.h> | |
273b65be JG |
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 | |
ca116246 | 79 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
273b65be | 80 | static |
ca116246 | 81 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
273b65be | 82 | static |
ca116246 | 83 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
273b65be | 84 | static |
ca116246 | 85 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
273b65be | 86 | static |
ca116246 | 87 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
273b65be | 88 | static |
ca116246 | 89 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
273b65be | 90 | |
12c8a1a3 | 91 | static |
ca116246 | 92 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
12c8a1a3 | 93 | static |
ca116246 | 94 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
12c8a1a3 | 95 | static |
ca116246 | 96 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
12c8a1a3 | 97 | static |
ca116246 | 98 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
12c8a1a3 | 99 | static |
ca116246 | 100 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
12c8a1a3 | 101 | static |
ca116246 | 102 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
12c8a1a3 | 103 | static |
ca116246 | 104 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
12c8a1a3 | 105 | |
273b65be JG |
106 | static |
107 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
108 | struct ctf_stream_pos *); | |
109 | static | |
110 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
111 | struct ctf_stream_pos *); | |
112 | static | |
113 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
114 | struct ctf_stream_pos *); | |
115 | static | |
116 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
117 | struct ctf_stream_pos *); | |
118 | static | |
119 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
120 | struct ctf_stream_pos *); | |
121 | static | |
122 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
123 | struct ctf_stream_pos *); | |
124 | static | |
125 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
126 | struct ctf_stream_pos *); | |
127 | static | |
128 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
129 | struct ctf_stream_pos *); | |
130 | ||
87d43dc1 JG |
131 | static |
132 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
133 | static | |
134 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
135 | static | |
136 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, | |
137 | struct bt_ctf_field *); | |
138 | static | |
139 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
140 | static | |
141 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
142 | static | |
143 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
144 | static | |
145 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
146 | static | |
147 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
148 | ||
273b65be JG |
149 | static |
150 | int increase_packet_size(struct ctf_stream_pos *pos); | |
151 | ||
152 | static | |
153 | struct bt_ctf_field *(*field_create_funcs[])( | |
154 | struct bt_ctf_field_type *) = { | |
155 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_create, | |
156 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create, | |
157 | [CTF_TYPE_FLOAT] = | |
158 | bt_ctf_field_floating_point_create, | |
159 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_create, | |
160 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_create, | |
161 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_create, | |
162 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_create, | |
163 | [CTF_TYPE_STRING] = bt_ctf_field_string_create, | |
164 | }; | |
165 | ||
166 | static | |
167 | void (*field_destroy_funcs[])(struct bt_ctf_field *) = { | |
168 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy, | |
169 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy, | |
170 | [CTF_TYPE_FLOAT] = | |
171 | bt_ctf_field_floating_point_destroy, | |
172 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_destroy, | |
173 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_destroy, | |
174 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_destroy, | |
175 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
176 | [CTF_TYPE_STRING] = bt_ctf_field_string_destroy, | |
177 | }; | |
178 | ||
179 | static | |
180 | int (*field_validate_funcs[])(struct bt_ctf_field *) = { | |
181 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate, | |
182 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate, | |
183 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate, | |
184 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_validate, | |
185 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_validate, | |
186 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_validate, | |
187 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_validate, | |
188 | [CTF_TYPE_STRING] = bt_ctf_field_generic_validate, | |
189 | }; | |
190 | ||
12c8a1a3 JG |
191 | static |
192 | int (*field_reset_funcs[])(struct bt_ctf_field *) = { | |
193 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_reset, | |
194 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_reset, | |
195 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_reset, | |
196 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_reset, | |
197 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_reset, | |
198 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_reset, | |
199 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_reset, | |
200 | [CTF_TYPE_STRING] = bt_ctf_field_string_reset, | |
201 | }; | |
202 | ||
273b65be JG |
203 | static |
204 | int (*field_serialize_funcs[])(struct bt_ctf_field *, | |
205 | struct ctf_stream_pos *) = { | |
206 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize, | |
207 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize, | |
208 | [CTF_TYPE_FLOAT] = | |
209 | bt_ctf_field_floating_point_serialize, | |
210 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_serialize, | |
211 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_serialize, | |
212 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_serialize, | |
213 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
214 | [CTF_TYPE_STRING] = bt_ctf_field_string_serialize, | |
215 | }; | |
216 | ||
87d43dc1 JG |
217 | static |
218 | int (*field_copy_funcs[])(struct bt_ctf_field *, struct bt_ctf_field *) = { | |
219 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_copy, | |
220 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_copy, | |
221 | [CTF_TYPE_FLOAT] = bt_ctf_field_floating_point_copy, | |
222 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_copy, | |
223 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_copy, | |
224 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_copy, | |
225 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_copy, | |
226 | [CTF_TYPE_STRING] = bt_ctf_field_string_copy, | |
227 | }; | |
228 | ||
273b65be JG |
229 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
230 | { | |
231 | struct bt_ctf_field *field = NULL; | |
232 | enum ctf_type_id type_id; | |
233 | ||
234 | if (!type) { | |
235 | goto error; | |
236 | } | |
237 | ||
238 | type_id = bt_ctf_field_type_get_type_id(type); | |
9ce21c30 JG |
239 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES || |
240 | bt_ctf_field_type_validate(type)) { | |
273b65be JG |
241 | goto error; |
242 | } | |
243 | ||
244 | field = field_create_funcs[type_id](type); | |
245 | if (!field) { | |
246 | goto error; | |
247 | } | |
248 | ||
249 | /* The type's declaration can't change after this point */ | |
250 | bt_ctf_field_type_freeze(type); | |
251 | bt_ctf_field_type_get(type); | |
252 | bt_ctf_ref_init(&field->ref_count); | |
253 | field->type = type; | |
254 | error: | |
255 | return field; | |
256 | } | |
257 | ||
258 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
259 | { | |
260 | if (field) { | |
261 | bt_ctf_ref_get(&field->ref_count); | |
262 | } | |
263 | } | |
264 | ||
265 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
266 | { | |
267 | if (field) { | |
268 | bt_ctf_ref_put(&field->ref_count, bt_ctf_field_destroy); | |
269 | } | |
270 | } | |
271 | ||
cd95e351 JG |
272 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
273 | { | |
274 | struct bt_ctf_field_type *ret = NULL; | |
275 | ||
276 | if (!field) { | |
277 | goto end; | |
278 | } | |
279 | ||
280 | ret = field->type; | |
281 | bt_ctf_field_type_get(ret); | |
282 | end: | |
283 | return ret; | |
284 | } | |
285 | ||
286 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( | |
287 | struct bt_ctf_field *field) | |
288 | { | |
289 | struct bt_ctf_field *ret = NULL; | |
290 | struct bt_ctf_field_sequence *sequence; | |
291 | ||
292 | if (!field) { | |
293 | goto end; | |
294 | } | |
295 | ||
296 | if (bt_ctf_field_type_get_type_id(field->type) != | |
297 | CTF_TYPE_SEQUENCE) { | |
298 | goto end; | |
299 | } | |
300 | ||
301 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
302 | ret = sequence->length; | |
303 | bt_ctf_field_get(ret); | |
304 | end: | |
305 | return ret; | |
306 | } | |
307 | ||
273b65be JG |
308 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
309 | struct bt_ctf_field *length_field) | |
310 | { | |
311 | int ret = 0; | |
312 | struct bt_ctf_field_type_integer *length_type; | |
313 | struct bt_ctf_field_integer *length; | |
314 | struct bt_ctf_field_sequence *sequence; | |
315 | uint64_t sequence_length; | |
316 | ||
317 | if (!field || !length_field) { | |
318 | ret = -1; | |
319 | goto end; | |
320 | } | |
321 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
322 | CTF_TYPE_INTEGER) { | |
323 | ret = -1; | |
324 | goto end; | |
325 | } | |
326 | ||
327 | length_type = container_of(length_field->type, | |
328 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 329 | /* The length field must be unsigned */ |
273b65be JG |
330 | if (length_type->declaration.signedness) { |
331 | ret = -1; | |
332 | goto end; | |
333 | } | |
334 | ||
335 | length = container_of(length_field, struct bt_ctf_field_integer, | |
336 | parent); | |
337 | sequence_length = length->definition.value._unsigned; | |
338 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
339 | if (sequence->elements) { | |
340 | g_ptr_array_free(sequence->elements, TRUE); | |
341 | bt_ctf_field_put(sequence->length); | |
342 | } | |
343 | ||
fe0fe95c | 344 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
345 | if (!sequence->elements) { |
346 | ret = -1; | |
347 | goto end; | |
348 | } | |
349 | ||
fe0fe95c JG |
350 | g_ptr_array_set_free_func(sequence->elements, |
351 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
352 | g_ptr_array_set_size(sequence->elements, (size_t)sequence_length); |
353 | bt_ctf_field_get(length_field); | |
354 | sequence->length = length_field; | |
355 | end: | |
356 | return ret; | |
357 | } | |
358 | ||
359 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
360 | struct bt_ctf_field *field, const char *name) | |
361 | { | |
362 | struct bt_ctf_field *new_field = NULL; | |
363 | GQuark field_quark; | |
364 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 365 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
366 | size_t index; |
367 | ||
368 | if (!field || !name || | |
369 | bt_ctf_field_type_get_type_id(field->type) != | |
370 | CTF_TYPE_STRUCT) { | |
371 | goto error; | |
372 | } | |
373 | ||
374 | field_quark = g_quark_from_string(name); | |
375 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
376 | field_type = |
377 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
378 | name); | |
273b65be JG |
379 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
380 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
381 | goto error; | |
382 | } | |
383 | ||
384 | if (structure->fields->pdata[index]) { | |
385 | new_field = structure->fields->pdata[index]; | |
386 | goto end; | |
387 | } | |
388 | ||
389 | new_field = bt_ctf_field_create(field_type); | |
390 | if (!new_field) { | |
391 | goto error; | |
392 | } | |
393 | ||
394 | structure->fields->pdata[index] = new_field; | |
395 | end: | |
396 | bt_ctf_field_get(new_field); | |
397 | error: | |
b92ddaaa JG |
398 | if (field_type) { |
399 | bt_ctf_field_type_put(field_type); | |
400 | } | |
273b65be JG |
401 | return new_field; |
402 | } | |
403 | ||
cd95e351 | 404 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 405 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
406 | { |
407 | int ret; | |
408 | const char *field_name; | |
409 | struct bt_ctf_field_structure *structure; | |
410 | struct bt_ctf_field_type *structure_type; | |
411 | struct bt_ctf_field_type *field_type = NULL; | |
412 | struct bt_ctf_field *ret_field = NULL; | |
413 | ||
414 | if (!field || | |
415 | bt_ctf_field_type_get_type_id(field->type) != CTF_TYPE_STRUCT) { | |
416 | goto end; | |
417 | } | |
418 | ||
419 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
420 | if (index >= structure->fields->len) { | |
421 | goto error; | |
422 | } | |
423 | ||
424 | ret_field = structure->fields->pdata[index]; | |
425 | if (ret_field) { | |
426 | goto end; | |
427 | } | |
428 | ||
429 | /* Field has not been instanciated yet, create it */ | |
430 | structure_type = bt_ctf_field_get_type(field); | |
431 | if (!structure_type) { | |
432 | goto error; | |
433 | } | |
434 | ||
435 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
436 | &field_name, &field_type, index); | |
437 | bt_ctf_field_type_put(structure_type); | |
438 | if (ret) { | |
439 | goto error; | |
440 | } | |
441 | ||
442 | ret_field = bt_ctf_field_create(field_type); | |
443 | if (!ret_field) { | |
444 | goto error; | |
445 | } | |
446 | ||
447 | structure->fields->pdata[index] = ret_field; | |
448 | end: | |
449 | bt_ctf_field_get(ret_field); | |
450 | error: | |
451 | if (field_type) { | |
452 | bt_ctf_field_type_put(field_type); | |
453 | } | |
454 | return ret_field; | |
455 | } | |
456 | ||
273b65be JG |
457 | BT_HIDDEN |
458 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
459 | const char *name, struct bt_ctf_field *value) | |
460 | { | |
461 | int ret = 0; | |
462 | GQuark field_quark; | |
463 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 464 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
465 | size_t index; |
466 | ||
467 | if (!field || !name || !value || | |
468 | bt_ctf_field_type_get_type_id(field->type) != | |
469 | CTF_TYPE_STRUCT) { | |
470 | ret = -1; | |
471 | goto end; | |
472 | } | |
473 | ||
474 | field_quark = g_quark_from_string(name); | |
475 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
476 | expected_field_type = |
477 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
478 | name); | |
273b65be JG |
479 | if (expected_field_type != value->type) { |
480 | ret = -1; | |
481 | goto end; | |
482 | } | |
483 | ||
484 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
485 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
486 | goto end; | |
487 | } | |
488 | ||
489 | if (structure->fields->pdata[index]) { | |
490 | bt_ctf_field_put(structure->fields->pdata[index]); | |
491 | } | |
492 | ||
493 | structure->fields->pdata[index] = value; | |
494 | bt_ctf_field_get(value); | |
495 | end: | |
b92ddaaa JG |
496 | if (expected_field_type) { |
497 | bt_ctf_field_type_put(expected_field_type); | |
498 | } | |
273b65be JG |
499 | return ret; |
500 | } | |
501 | ||
502 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
503 | uint64_t index) | |
504 | { | |
505 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 506 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 507 | struct bt_ctf_field_array *array; |
273b65be JG |
508 | |
509 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
510 | CTF_TYPE_ARRAY) { | |
511 | goto end; | |
512 | } | |
513 | ||
514 | array = container_of(field, struct bt_ctf_field_array, parent); | |
515 | if (index >= array->elements->len) { | |
516 | goto end; | |
517 | } | |
518 | ||
b92ddaaa | 519 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
520 | if (array->elements->pdata[(size_t)index]) { |
521 | new_field = array->elements->pdata[(size_t)index]; | |
522 | goto end; | |
523 | } | |
524 | ||
525 | new_field = bt_ctf_field_create(field_type); | |
526 | bt_ctf_field_get(new_field); | |
527 | array->elements->pdata[(size_t)index] = new_field; | |
528 | end: | |
b92ddaaa JG |
529 | if (field_type) { |
530 | bt_ctf_field_type_put(field_type); | |
531 | } | |
273b65be JG |
532 | return new_field; |
533 | } | |
534 | ||
535 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
536 | uint64_t index) | |
537 | { | |
538 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 539 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 540 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
541 | |
542 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
543 | CTF_TYPE_SEQUENCE) { | |
544 | goto end; | |
545 | } | |
546 | ||
547 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
548 | if (!sequence->elements || sequence->elements->len <= index) { | |
549 | goto end; | |
550 | } | |
551 | ||
b92ddaaa | 552 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
273b65be JG |
553 | if (sequence->elements->pdata[(size_t)index]) { |
554 | new_field = sequence->elements->pdata[(size_t)index]; | |
555 | goto end; | |
556 | } | |
557 | ||
558 | new_field = bt_ctf_field_create(field_type); | |
559 | bt_ctf_field_get(new_field); | |
560 | sequence->elements->pdata[(size_t)index] = new_field; | |
561 | end: | |
b92ddaaa JG |
562 | if (field_type) { |
563 | bt_ctf_field_type_put(field_type); | |
564 | } | |
273b65be JG |
565 | return new_field; |
566 | } | |
567 | ||
568 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
569 | struct bt_ctf_field *tag_field) | |
570 | { | |
571 | struct bt_ctf_field *new_field = NULL; | |
572 | struct bt_ctf_field_variant *variant; | |
573 | struct bt_ctf_field_type_variant *variant_type; | |
574 | struct bt_ctf_field_type *field_type; | |
575 | struct bt_ctf_field *tag_enum = NULL; | |
576 | struct bt_ctf_field_integer *tag_enum_integer; | |
577 | int64_t tag_enum_value; | |
578 | ||
579 | if (!field || !tag_field || | |
580 | bt_ctf_field_type_get_type_id(field->type) != | |
581 | CTF_TYPE_VARIANT || | |
582 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
583 | CTF_TYPE_ENUM) { | |
584 | goto end; | |
585 | } | |
586 | ||
587 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
588 | variant_type = container_of(field->type, | |
589 | struct bt_ctf_field_type_variant, parent); | |
590 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
591 | if (!tag_enum) { | |
592 | goto end; | |
593 | } | |
594 | ||
595 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
596 | parent); | |
597 | ||
2c661a4d | 598 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
599 | goto end; |
600 | } | |
601 | ||
602 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
b92ddaaa JG |
603 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
604 | variant_type, tag_enum_value); | |
273b65be JG |
605 | if (!field_type) { |
606 | goto end; | |
607 | } | |
608 | ||
609 | new_field = bt_ctf_field_create(field_type); | |
610 | if (!new_field) { | |
611 | goto end; | |
612 | } | |
613 | ||
614 | bt_ctf_field_put(variant->tag); | |
615 | bt_ctf_field_put(variant->payload); | |
616 | bt_ctf_field_get(new_field); | |
617 | bt_ctf_field_get(tag_field); | |
618 | variant->tag = tag_field; | |
619 | variant->payload = new_field; | |
620 | end: | |
621 | bt_ctf_field_put(tag_enum); | |
622 | return new_field; | |
623 | } | |
624 | ||
625 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( | |
626 | struct bt_ctf_field *field) | |
627 | { | |
628 | struct bt_ctf_field *container = NULL; | |
629 | struct bt_ctf_field_enumeration *enumeration; | |
630 | ||
b92ddaaa JG |
631 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
632 | CTF_TYPE_ENUM) { | |
273b65be JG |
633 | goto end; |
634 | } | |
635 | ||
636 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
637 | parent); | |
638 | if (!enumeration->payload) { | |
639 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
640 | container_of(field->type, | |
641 | struct bt_ctf_field_type_enumeration, parent); | |
642 | enumeration->payload = | |
643 | bt_ctf_field_create(enumeration_type->container); | |
644 | } | |
645 | ||
646 | container = enumeration->payload; | |
647 | bt_ctf_field_get(container); | |
648 | end: | |
649 | return container; | |
650 | } | |
651 | ||
cd95e351 JG |
652 | const char *bt_ctf_field_enumeration_get_mapping_name( |
653 | struct bt_ctf_field *field) | |
654 | { | |
655 | int ret; | |
656 | const char *name = NULL; | |
657 | struct bt_ctf_field *container = NULL; | |
658 | struct bt_ctf_field_type *container_type = NULL; | |
659 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
660 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
661 | ||
662 | container = bt_ctf_field_enumeration_get_container(field); | |
663 | if (!container) { | |
664 | goto end; | |
665 | } | |
666 | ||
667 | container_type = bt_ctf_field_get_type(container); | |
668 | if (!container_type) { | |
669 | goto error_put_container; | |
670 | } | |
671 | ||
672 | integer_type = container_of(container_type, | |
673 | struct bt_ctf_field_type_integer, parent); | |
674 | enumeration_type = container_of(field->type, | |
675 | struct bt_ctf_field_type_enumeration, parent); | |
676 | ||
10817e06 | 677 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
678 | uint64_t value; |
679 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
680 | &value); | |
681 | if (ret) { | |
682 | goto error_put_container_type; | |
683 | } | |
684 | ||
685 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
686 | enumeration_type, value); | |
687 | } else { | |
688 | int64_t value; | |
689 | ret = bt_ctf_field_signed_integer_get_value(container, | |
690 | &value); | |
691 | if (ret) { | |
692 | goto error_put_container_type; | |
693 | } | |
694 | ||
695 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
696 | enumeration_type, value); | |
697 | } | |
698 | ||
699 | error_put_container_type: | |
700 | bt_ctf_field_type_put(container_type); | |
701 | error_put_container: | |
702 | bt_ctf_field_put(container); | |
703 | end: | |
704 | return name; | |
705 | } | |
706 | ||
707 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
708 | int64_t *value) | |
709 | { | |
710 | int ret = 0; | |
711 | struct bt_ctf_field_integer *integer; | |
712 | struct bt_ctf_field_type_integer *integer_type; | |
713 | ||
714 | if (!field || !value || !field->payload_set || | |
715 | bt_ctf_field_type_get_type_id(field->type) != | |
716 | CTF_TYPE_INTEGER) { | |
717 | ret = -1; | |
718 | goto end; | |
719 | } | |
720 | ||
721 | integer_type = container_of(field->type, | |
722 | struct bt_ctf_field_type_integer, parent); | |
723 | if (!integer_type->declaration.signedness) { | |
724 | ret = -1; | |
725 | goto end; | |
726 | } | |
727 | ||
728 | integer = container_of(field, | |
729 | struct bt_ctf_field_integer, parent); | |
730 | *value = integer->definition.value._signed; | |
731 | end: | |
732 | return ret; | |
733 | } | |
734 | ||
273b65be JG |
735 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
736 | int64_t value) | |
737 | { | |
738 | int ret = 0; | |
739 | struct bt_ctf_field_integer *integer; | |
740 | struct bt_ctf_field_type_integer *integer_type; | |
741 | unsigned int size; | |
742 | int64_t min_value, max_value; | |
743 | ||
744 | if (!field || | |
745 | bt_ctf_field_type_get_type_id(field->type) != | |
746 | CTF_TYPE_INTEGER) { | |
747 | ret = -1; | |
748 | goto end; | |
749 | } | |
750 | ||
751 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
752 | integer_type = container_of(field->type, | |
753 | struct bt_ctf_field_type_integer, parent); | |
754 | if (!integer_type->declaration.signedness) { | |
755 | ret = -1; | |
756 | goto end; | |
757 | } | |
758 | ||
759 | size = integer_type->declaration.len; | |
760 | min_value = -((int64_t)1 << (size - 1)); | |
761 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
762 | if (value < min_value || value > max_value) { | |
763 | ret = -1; | |
764 | goto end; | |
765 | } | |
766 | ||
767 | integer->definition.value._signed = value; | |
768 | integer->parent.payload_set = 1; | |
769 | end: | |
770 | return ret; | |
771 | } | |
772 | ||
cd95e351 JG |
773 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
774 | uint64_t *value) | |
775 | { | |
776 | int ret = 0; | |
777 | struct bt_ctf_field_integer *integer; | |
778 | struct bt_ctf_field_type_integer *integer_type; | |
779 | ||
780 | if (!field || !value || !field->payload_set || | |
781 | bt_ctf_field_type_get_type_id(field->type) != | |
782 | CTF_TYPE_INTEGER) { | |
783 | ret = -1; | |
784 | goto end; | |
785 | } | |
786 | ||
787 | integer_type = container_of(field->type, | |
788 | struct bt_ctf_field_type_integer, parent); | |
789 | if (integer_type->declaration.signedness) { | |
790 | ret = -1; | |
791 | goto end; | |
792 | } | |
793 | ||
794 | integer = container_of(field, | |
795 | struct bt_ctf_field_integer, parent); | |
796 | *value = integer->definition.value._unsigned; | |
797 | end: | |
798 | return ret; | |
799 | } | |
800 | ||
273b65be JG |
801 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
802 | uint64_t value) | |
803 | { | |
804 | int ret = 0; | |
805 | struct bt_ctf_field_integer *integer; | |
806 | struct bt_ctf_field_type_integer *integer_type; | |
807 | unsigned int size; | |
808 | uint64_t max_value; | |
809 | ||
810 | if (!field || | |
811 | bt_ctf_field_type_get_type_id(field->type) != | |
812 | CTF_TYPE_INTEGER) { | |
813 | ret = -1; | |
814 | goto end; | |
815 | } | |
816 | ||
817 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
818 | integer_type = container_of(field->type, | |
819 | struct bt_ctf_field_type_integer, parent); | |
820 | if (integer_type->declaration.signedness) { | |
821 | ret = -1; | |
822 | goto end; | |
823 | } | |
824 | ||
825 | size = integer_type->declaration.len; | |
826 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
827 | if (value > max_value) { | |
828 | ret = -1; | |
829 | goto end; | |
830 | } | |
831 | ||
832 | integer->definition.value._unsigned = value; | |
833 | integer->parent.payload_set = 1; | |
834 | end: | |
835 | return ret; | |
836 | } | |
837 | ||
cd95e351 JG |
838 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
839 | double *value) | |
840 | { | |
841 | int ret = 0; | |
842 | struct bt_ctf_field_floating_point *floating_point; | |
843 | ||
844 | if (!field || !value || !field->payload_set || | |
845 | bt_ctf_field_type_get_type_id(field->type) != | |
846 | CTF_TYPE_FLOAT) { | |
847 | ret = -1; | |
848 | goto end; | |
849 | } | |
850 | ||
851 | floating_point = container_of(field, | |
852 | struct bt_ctf_field_floating_point, parent); | |
853 | *value = floating_point->definition.value; | |
854 | end: | |
855 | return ret; | |
856 | } | |
857 | ||
273b65be JG |
858 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
859 | double value) | |
860 | { | |
861 | int ret = 0; | |
862 | struct bt_ctf_field_floating_point *floating_point; | |
863 | ||
864 | if (!field || | |
865 | bt_ctf_field_type_get_type_id(field->type) != | |
866 | CTF_TYPE_FLOAT) { | |
867 | ret = -1; | |
868 | goto end; | |
869 | } | |
870 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
871 | parent); | |
872 | floating_point->definition.value = value; | |
873 | floating_point->parent.payload_set = 1; | |
874 | end: | |
875 | return ret; | |
876 | } | |
877 | ||
cd95e351 JG |
878 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
879 | { | |
880 | const char *ret = NULL; | |
881 | struct bt_ctf_field_string *string; | |
882 | ||
883 | if (!field || !field->payload_set || | |
884 | bt_ctf_field_type_get_type_id(field->type) != | |
885 | CTF_TYPE_STRING) { | |
886 | goto end; | |
887 | } | |
888 | ||
889 | string = container_of(field, | |
890 | struct bt_ctf_field_string, parent); | |
891 | ret = string->payload->str; | |
892 | end: | |
893 | return ret; | |
894 | } | |
895 | ||
273b65be JG |
896 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
897 | const char *value) | |
898 | { | |
899 | int ret = 0; | |
900 | struct bt_ctf_field_string *string; | |
901 | ||
902 | if (!field || !value || | |
903 | bt_ctf_field_type_get_type_id(field->type) != | |
904 | CTF_TYPE_STRING) { | |
905 | ret = -1; | |
906 | goto end; | |
907 | } | |
908 | ||
909 | string = container_of(field, struct bt_ctf_field_string, parent); | |
910 | if (string->payload) { | |
97736814 JG |
911 | g_string_assign(string->payload, value); |
912 | } else { | |
913 | string->payload = g_string_new(value); | |
273b65be JG |
914 | } |
915 | ||
273b65be JG |
916 | string->parent.payload_set = 1; |
917 | end: | |
918 | return ret; | |
919 | } | |
920 | ||
921 | BT_HIDDEN | |
922 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
923 | { | |
924 | int ret = 0; | |
925 | enum ctf_type_id type_id; | |
926 | ||
927 | if (!field) { | |
928 | ret = -1; | |
929 | goto end; | |
930 | } | |
931 | ||
932 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
933 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
934 | ret = -1; | |
935 | goto end; | |
936 | } | |
937 | ||
938 | ret = field_validate_funcs[type_id](field); | |
939 | end: | |
940 | return ret; | |
941 | } | |
942 | ||
12c8a1a3 JG |
943 | BT_HIDDEN |
944 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
945 | { | |
946 | int ret = 0; | |
947 | enum ctf_type_id type_id; | |
948 | ||
949 | if (!field) { | |
950 | ret = -1; | |
951 | goto end; | |
952 | } | |
953 | ||
954 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
955 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
956 | ret = -1; | |
957 | goto end; | |
958 | } | |
959 | ||
960 | ret = field_reset_funcs[type_id](field); | |
961 | end: | |
962 | return ret; | |
963 | } | |
964 | ||
273b65be JG |
965 | BT_HIDDEN |
966 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
967 | struct ctf_stream_pos *pos) | |
968 | { | |
969 | int ret = 0; | |
970 | enum ctf_type_id type_id; | |
971 | ||
972 | if (!field || !pos) { | |
973 | ret = -1; | |
974 | goto end; | |
975 | } | |
976 | ||
977 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
978 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
979 | ret = -1; | |
980 | goto end; | |
981 | } | |
982 | ||
983 | ret = field_serialize_funcs[type_id](field, pos); | |
984 | end: | |
985 | return ret; | |
986 | } | |
987 | ||
87d43dc1 JG |
988 | BT_HIDDEN |
989 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) | |
990 | { | |
991 | int ret; | |
992 | struct bt_ctf_field *copy = NULL; | |
993 | enum ctf_type_id type_id; | |
994 | ||
995 | if (!field) { | |
87d43dc1 JG |
996 | goto end; |
997 | } | |
998 | ||
999 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1000 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
87d43dc1 JG |
1001 | goto end; |
1002 | } | |
1003 | ||
1004 | copy = bt_ctf_field_create(field->type); | |
1005 | if (!copy) { | |
1006 | goto end; | |
1007 | } | |
1008 | ||
87d43dc1 JG |
1009 | ret = field_copy_funcs[type_id](field, copy); |
1010 | if (ret) { | |
1011 | bt_ctf_field_put(copy); | |
1012 | copy = NULL; | |
1013 | } | |
1014 | end: | |
1015 | return copy; | |
1016 | } | |
1017 | ||
273b65be JG |
1018 | static |
1019 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1020 | { | |
1021 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1022 | struct bt_ctf_field_type_integer, parent); | |
1023 | struct bt_ctf_field_integer *integer = g_new0( | |
1024 | struct bt_ctf_field_integer, 1); | |
1025 | ||
1026 | if (integer) { | |
1027 | integer->definition.declaration = &integer_type->declaration; | |
1028 | } | |
1029 | ||
1030 | return integer ? &integer->parent : NULL; | |
1031 | } | |
1032 | ||
1033 | static | |
1034 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1035 | struct bt_ctf_field_type *type) | |
1036 | { | |
1037 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1038 | struct bt_ctf_field_enumeration, 1); | |
1039 | ||
1040 | return enumeration ? &enumeration->parent : NULL; | |
1041 | } | |
1042 | ||
1043 | static | |
1044 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1045 | struct bt_ctf_field_type *type) | |
1046 | { | |
1047 | struct bt_ctf_field_floating_point *floating_point; | |
1048 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1049 | ||
1050 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1051 | if (!floating_point) { | |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | floating_point_type = container_of(type, | |
1056 | struct bt_ctf_field_type_floating_point, parent); | |
1057 | floating_point->definition.declaration = container_of( | |
1058 | type->declaration, struct declaration_float, p); | |
1059 | ||
1060 | ||
1061 | floating_point->definition.sign = &floating_point->sign; | |
1062 | floating_point->sign.declaration = &floating_point_type->sign; | |
1063 | floating_point->definition.sign->p.declaration = | |
1064 | &floating_point_type->sign.p; | |
1065 | ||
1066 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1067 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1068 | floating_point->definition.mantissa->p.declaration = | |
1069 | &floating_point_type->mantissa.p; | |
1070 | ||
1071 | floating_point->definition.exp = &floating_point->exp; | |
1072 | floating_point->exp.declaration = &floating_point_type->exp; | |
1073 | floating_point->definition.exp->p.declaration = | |
1074 | &floating_point_type->exp.p; | |
1075 | ||
1076 | end: | |
1077 | return floating_point ? &floating_point->parent : NULL; | |
1078 | } | |
1079 | ||
1080 | static | |
1081 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1082 | struct bt_ctf_field_type *type) | |
1083 | { | |
1084 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1085 | struct bt_ctf_field_type_structure, parent); | |
1086 | struct bt_ctf_field_structure *structure = g_new0( | |
1087 | struct bt_ctf_field_structure, 1); | |
1088 | struct bt_ctf_field *field = NULL; | |
1089 | ||
1090 | if (!structure || !structure_type->fields->len) { | |
1091 | goto end; | |
1092 | } | |
1093 | ||
1094 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1095 | structure->fields = g_ptr_array_new_with_free_func( | |
1096 | (GDestroyNotify)bt_ctf_field_put); | |
1097 | g_ptr_array_set_size(structure->fields, | |
1098 | g_hash_table_size(structure->field_name_to_index)); | |
1099 | field = &structure->parent; | |
1100 | end: | |
1101 | return field; | |
1102 | } | |
1103 | ||
1104 | static | |
1105 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1106 | { | |
1107 | struct bt_ctf_field_variant *variant = g_new0( | |
1108 | struct bt_ctf_field_variant, 1); | |
1109 | return variant ? &variant->parent : NULL; | |
1110 | } | |
1111 | ||
1112 | static | |
1113 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1114 | { | |
1115 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1116 | struct bt_ctf_field_type_array *array_type; | |
1117 | unsigned int array_length; | |
1118 | ||
1119 | if (!array || !type) { | |
1120 | goto error; | |
1121 | } | |
1122 | ||
1123 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1124 | array_length = array_type->length; | |
fe0fe95c | 1125 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1126 | if (!array->elements) { |
1127 | goto error; | |
1128 | } | |
1129 | ||
fe0fe95c JG |
1130 | g_ptr_array_set_free_func(array->elements, |
1131 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1132 | g_ptr_array_set_size(array->elements, array_length); |
1133 | return &array->parent; | |
1134 | error: | |
1135 | g_free(array); | |
1136 | return NULL; | |
1137 | } | |
1138 | ||
1139 | static | |
1140 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1141 | struct bt_ctf_field_type *type) | |
1142 | { | |
1143 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1144 | struct bt_ctf_field_sequence, 1); | |
1145 | return sequence ? &sequence->parent : NULL; | |
1146 | } | |
1147 | ||
1148 | static | |
1149 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1150 | { | |
1151 | struct bt_ctf_field_string *string = g_new0( | |
1152 | struct bt_ctf_field_string, 1); | |
1153 | return string ? &string->parent : NULL; | |
1154 | } | |
1155 | ||
1156 | static | |
1157 | void bt_ctf_field_destroy(struct bt_ctf_ref *ref) | |
1158 | { | |
1159 | struct bt_ctf_field *field; | |
1160 | struct bt_ctf_field_type *type; | |
1161 | enum ctf_type_id type_id; | |
1162 | ||
1163 | if (!ref) { | |
1164 | return; | |
1165 | } | |
1166 | ||
1167 | field = container_of(ref, struct bt_ctf_field, ref_count); | |
1168 | type = field->type; | |
1169 | type_id = bt_ctf_field_type_get_type_id(type); | |
1170 | if (type_id <= CTF_TYPE_UNKNOWN || | |
1171 | type_id >= NR_CTF_TYPES) { | |
1172 | return; | |
1173 | } | |
1174 | ||
1175 | field_destroy_funcs[type_id](field); | |
1176 | if (type) { | |
1177 | bt_ctf_field_type_put(type); | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | static | |
1182 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1183 | { | |
1184 | struct bt_ctf_field_integer *integer; | |
1185 | ||
1186 | if (!field) { | |
1187 | return; | |
1188 | } | |
1189 | ||
1190 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1191 | g_free(integer); | |
1192 | } | |
1193 | ||
1194 | static | |
1195 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1196 | { | |
1197 | struct bt_ctf_field_enumeration *enumeration; | |
1198 | ||
1199 | if (!field) { | |
1200 | return; | |
1201 | } | |
1202 | ||
1203 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1204 | parent); | |
1205 | bt_ctf_field_put(enumeration->payload); | |
1206 | g_free(enumeration); | |
1207 | } | |
1208 | ||
1209 | static | |
1210 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1211 | { | |
1212 | struct bt_ctf_field_floating_point *floating_point; | |
1213 | ||
1214 | if (!field) { | |
1215 | return; | |
1216 | } | |
1217 | ||
1218 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1219 | parent); | |
1220 | g_free(floating_point); | |
1221 | } | |
1222 | ||
1223 | static | |
1224 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1225 | { | |
1226 | struct bt_ctf_field_structure *structure; | |
1227 | ||
1228 | if (!field) { | |
1229 | return; | |
1230 | } | |
1231 | ||
1232 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1233 | g_ptr_array_free(structure->fields, TRUE); | |
1234 | g_free(structure); | |
1235 | } | |
1236 | ||
1237 | static | |
1238 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1239 | { | |
1240 | struct bt_ctf_field_variant *variant; | |
1241 | ||
1242 | if (!field) { | |
1243 | return; | |
1244 | } | |
1245 | ||
1246 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1247 | bt_ctf_field_put(variant->tag); | |
1248 | bt_ctf_field_put(variant->payload); | |
1249 | g_free(variant); | |
1250 | } | |
1251 | ||
1252 | static | |
1253 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1254 | { | |
1255 | struct bt_ctf_field_array *array; | |
1256 | ||
1257 | if (!field) { | |
1258 | return; | |
1259 | } | |
1260 | ||
1261 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1262 | g_ptr_array_free(array->elements, TRUE); | |
1263 | g_free(array); | |
1264 | } | |
1265 | ||
1266 | static | |
1267 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1268 | { | |
1269 | struct bt_ctf_field_sequence *sequence; | |
1270 | ||
1271 | if (!field) { | |
1272 | return; | |
1273 | } | |
1274 | ||
1275 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1276 | g_ptr_array_free(sequence->elements, TRUE); | |
1277 | bt_ctf_field_put(sequence->length); | |
1278 | g_free(sequence); | |
1279 | } | |
1280 | ||
1281 | static | |
1282 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1283 | { | |
1284 | struct bt_ctf_field_string *string; | |
1285 | if (!field) { | |
1286 | return; | |
1287 | } | |
1288 | ||
1289 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1290 | g_string_free(string->payload, TRUE); | |
1291 | g_free(string); | |
1292 | } | |
1293 | ||
1294 | static | |
1295 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1296 | { | |
da2f6971 | 1297 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1298 | } |
1299 | ||
1300 | static | |
1301 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1302 | { | |
1303 | int ret; | |
1304 | struct bt_ctf_field_enumeration *enumeration; | |
1305 | ||
1306 | if (!field) { | |
1307 | ret = -1; | |
1308 | goto end; | |
1309 | } | |
1310 | ||
1311 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1312 | parent); | |
1313 | if (!enumeration->payload) { | |
1314 | ret = -1; | |
1315 | goto end; | |
1316 | } | |
1317 | ||
1318 | ret = bt_ctf_field_validate(enumeration->payload); | |
1319 | end: | |
1320 | return ret; | |
1321 | } | |
1322 | ||
1323 | static | |
1324 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1325 | { | |
1326 | size_t i; | |
1327 | int ret = 0; | |
1328 | struct bt_ctf_field_structure *structure; | |
1329 | ||
1330 | if (!field) { | |
1331 | ret = -1; | |
1332 | goto end; | |
1333 | } | |
1334 | ||
1335 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1336 | for (i = 0; i < structure->fields->len; i++) { | |
1337 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1338 | if (ret) { | |
1339 | goto end; | |
1340 | } | |
1341 | } | |
1342 | end: | |
1343 | return ret; | |
1344 | } | |
1345 | ||
1346 | static | |
1347 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1348 | { | |
1349 | int ret = 0; | |
1350 | struct bt_ctf_field_variant *variant; | |
1351 | ||
1352 | if (!field) { | |
1353 | ret = -1; | |
1354 | goto end; | |
1355 | } | |
1356 | ||
1357 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1358 | ret = bt_ctf_field_validate(variant->payload); | |
1359 | end: | |
1360 | return ret; | |
1361 | } | |
1362 | ||
1363 | static | |
1364 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1365 | { | |
1366 | size_t i; | |
1367 | int ret = 0; | |
1368 | struct bt_ctf_field_array *array; | |
1369 | ||
1370 | if (!field) { | |
1371 | ret = -1; | |
1372 | goto end; | |
1373 | } | |
1374 | ||
1375 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1376 | for (i = 0; i < array->elements->len; i++) { | |
1377 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1378 | if (ret) { | |
1379 | goto end; | |
1380 | } | |
1381 | } | |
1382 | end: | |
1383 | return ret; | |
1384 | } | |
1385 | ||
1386 | static | |
1387 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1388 | { | |
1389 | size_t i; | |
1390 | int ret = 0; | |
1391 | struct bt_ctf_field_sequence *sequence; | |
1392 | ||
1393 | if (!field) { | |
1394 | ret = -1; | |
1395 | goto end; | |
1396 | } | |
1397 | ||
1398 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1399 | for (i = 0; i < sequence->elements->len; i++) { | |
1400 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1401 | if (ret) { | |
1402 | goto end; | |
1403 | } | |
1404 | } | |
1405 | end: | |
1406 | return ret; | |
1407 | } | |
1408 | ||
12c8a1a3 JG |
1409 | static |
1410 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1411 | { | |
1412 | int ret = 0; | |
1413 | ||
1414 | if (!field) { | |
1415 | ret = -1; | |
1416 | goto end; | |
1417 | } | |
1418 | ||
1419 | field->payload_set = 0; | |
1420 | end: | |
1421 | return ret; | |
1422 | } | |
1423 | ||
1424 | static | |
1425 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1426 | { | |
1427 | int ret = 0; | |
1428 | struct bt_ctf_field_enumeration *enumeration; | |
1429 | ||
1430 | if (!field) { | |
1431 | ret = -1; | |
1432 | goto end; | |
1433 | } | |
1434 | ||
1435 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1436 | parent); | |
1437 | if (!enumeration->payload) { | |
1438 | goto end; | |
1439 | } | |
1440 | ||
1441 | ret = bt_ctf_field_reset(enumeration->payload); | |
1442 | end: | |
1443 | return ret; | |
1444 | } | |
1445 | ||
1446 | static | |
1447 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1448 | { | |
1449 | size_t i; | |
1450 | int ret = 0; | |
1451 | struct bt_ctf_field_structure *structure; | |
1452 | ||
1453 | if (!field) { | |
1454 | ret = -1; | |
1455 | goto end; | |
1456 | } | |
1457 | ||
1458 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1459 | for (i = 0; i < structure->fields->len; i++) { | |
1460 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1461 | ||
1462 | if (!member) { | |
1463 | /* | |
1464 | * Structure members are lazily initialized; skip if | |
1465 | * this member has not been allocated yet. | |
1466 | */ | |
1467 | continue; | |
1468 | } | |
1469 | ||
1470 | ret = bt_ctf_field_reset(member); | |
1471 | if (ret) { | |
1472 | goto end; | |
1473 | } | |
1474 | } | |
1475 | end: | |
1476 | return ret; | |
1477 | } | |
1478 | ||
1479 | static | |
1480 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1481 | { | |
1482 | int ret = 0; | |
1483 | struct bt_ctf_field_variant *variant; | |
1484 | ||
1485 | if (!field) { | |
1486 | ret = -1; | |
1487 | goto end; | |
1488 | } | |
1489 | ||
1490 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1491 | if (variant->payload) { | |
1492 | ret = bt_ctf_field_reset(variant->payload); | |
1493 | } | |
1494 | end: | |
1495 | return ret; | |
1496 | } | |
1497 | ||
1498 | static | |
1499 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1500 | { | |
1501 | size_t i; | |
1502 | int ret = 0; | |
1503 | struct bt_ctf_field_array *array; | |
1504 | ||
1505 | if (!field) { | |
1506 | ret = -1; | |
1507 | goto end; | |
1508 | } | |
1509 | ||
1510 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1511 | for (i = 0; i < array->elements->len; i++) { | |
1512 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1513 | ||
1514 | if (!member) { | |
1515 | /* | |
1516 | * Array elements are lazily initialized; skip if | |
1517 | * this member has not been allocated yet. | |
1518 | */ | |
1519 | continue; | |
1520 | } | |
1521 | ||
1522 | ret = bt_ctf_field_reset(member); | |
1523 | if (ret) { | |
1524 | goto end; | |
1525 | } | |
1526 | } | |
1527 | end: | |
1528 | return ret; | |
1529 | } | |
1530 | ||
1531 | static | |
1532 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1533 | { | |
1534 | size_t i; | |
1535 | int ret = 0; | |
1536 | struct bt_ctf_field_sequence *sequence; | |
1537 | ||
1538 | if (!field) { | |
1539 | ret = -1; | |
1540 | goto end; | |
1541 | } | |
1542 | ||
1543 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1544 | for (i = 0; i < sequence->elements->len; i++) { | |
1545 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1546 | ||
1547 | if (!member) { | |
1548 | /* | |
1549 | * Sequence elements are lazily initialized; skip if | |
1550 | * this member has not been allocated yet. | |
1551 | */ | |
1552 | continue; | |
1553 | } | |
1554 | ||
1555 | ret = bt_ctf_field_reset(member); | |
1556 | if (ret) { | |
1557 | goto end; | |
1558 | } | |
1559 | } | |
1560 | end: | |
1561 | return ret; | |
1562 | } | |
1563 | ||
1564 | static | |
1565 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1566 | { | |
1567 | int ret = 0; | |
1568 | struct bt_ctf_field_string *string; | |
1569 | ||
1570 | if (!field) { | |
1571 | ret = -1; | |
1572 | goto end; | |
1573 | } | |
1574 | ||
1575 | ret = bt_ctf_field_generic_reset(field); | |
1576 | if (ret) { | |
1577 | goto end; | |
1578 | } | |
1579 | ||
1580 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1581 | if (string->payload) { | |
1582 | g_string_truncate(string->payload, 0); | |
1583 | } | |
1584 | end: | |
1585 | return ret; | |
1586 | } | |
1587 | ||
273b65be JG |
1588 | static |
1589 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1590 | struct ctf_stream_pos *pos) | |
1591 | { | |
1592 | int ret = 0; | |
1593 | struct bt_ctf_field_integer *integer = container_of(field, | |
1594 | struct bt_ctf_field_integer, parent); | |
1595 | ||
1596 | retry: | |
1597 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1598 | if (ret == -EFAULT) { | |
1599 | /* | |
1600 | * The field is too large to fit in the current packet's | |
1601 | * remaining space. Bump the packet size and retry. | |
1602 | */ | |
1603 | ret = increase_packet_size(pos); | |
1604 | if (ret) { | |
1605 | goto end; | |
1606 | } | |
1607 | goto retry; | |
1608 | } | |
1609 | end: | |
1610 | return ret; | |
1611 | } | |
1612 | ||
1613 | static | |
1614 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1615 | struct ctf_stream_pos *pos) | |
1616 | { | |
1617 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1618 | field, struct bt_ctf_field_enumeration, parent); | |
1619 | ||
1620 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1621 | } | |
1622 | ||
1623 | static | |
1624 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1625 | struct ctf_stream_pos *pos) | |
1626 | { | |
1627 | int ret = 0; | |
1628 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1629 | struct bt_ctf_field_floating_point, parent); | |
1630 | ||
1631 | retry: | |
1632 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1633 | if (ret == -EFAULT) { | |
1634 | /* | |
1635 | * The field is too large to fit in the current packet's | |
1636 | * remaining space. Bump the packet size and retry. | |
1637 | */ | |
1638 | ret = increase_packet_size(pos); | |
1639 | if (ret) { | |
1640 | goto end; | |
1641 | } | |
1642 | goto retry; | |
1643 | } | |
1644 | end: | |
1645 | return ret; | |
1646 | } | |
1647 | ||
1648 | static | |
1649 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1650 | struct ctf_stream_pos *pos) | |
1651 | { | |
1652 | size_t i; | |
1653 | int ret = 0; | |
1654 | struct bt_ctf_field_structure *structure = container_of( | |
1655 | field, struct bt_ctf_field_structure, parent); | |
1656 | ||
1657 | while (!ctf_pos_access_ok(pos, | |
1658 | offset_align(pos->offset, | |
1659 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1660 | ret = increase_packet_size(pos); |
1661 | if (ret) { | |
1662 | goto end; | |
1663 | } | |
273b65be JG |
1664 | } |
1665 | ||
70fd5a51 MD |
1666 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1667 | ret = -1; | |
1668 | goto end; | |
1669 | } | |
273b65be JG |
1670 | |
1671 | for (i = 0; i < structure->fields->len; i++) { | |
1672 | struct bt_ctf_field *field = g_ptr_array_index( | |
1673 | structure->fields, i); | |
1674 | ||
1675 | ret = bt_ctf_field_serialize(field, pos); | |
1676 | if (ret) { | |
1677 | break; | |
1678 | } | |
1679 | } | |
9f56e450 | 1680 | end: |
273b65be JG |
1681 | return ret; |
1682 | } | |
1683 | ||
1684 | static | |
1685 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1686 | struct ctf_stream_pos *pos) | |
1687 | { | |
1688 | struct bt_ctf_field_variant *variant = container_of( | |
1689 | field, struct bt_ctf_field_variant, parent); | |
1690 | ||
1691 | return bt_ctf_field_serialize(variant->payload, pos); | |
1692 | } | |
1693 | ||
1694 | static | |
1695 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1696 | struct ctf_stream_pos *pos) | |
1697 | { | |
1698 | size_t i; | |
1699 | int ret = 0; | |
1700 | struct bt_ctf_field_array *array = container_of( | |
1701 | field, struct bt_ctf_field_array, parent); | |
1702 | ||
1703 | for (i = 0; i < array->elements->len; i++) { | |
1704 | ret = bt_ctf_field_serialize( | |
1705 | g_ptr_array_index(array->elements, i), pos); | |
1706 | if (ret) { | |
1707 | goto end; | |
1708 | } | |
1709 | } | |
1710 | end: | |
1711 | return ret; | |
1712 | } | |
1713 | ||
1714 | static | |
1715 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1716 | struct ctf_stream_pos *pos) | |
1717 | { | |
1718 | size_t i; | |
1719 | int ret = 0; | |
1720 | struct bt_ctf_field_sequence *sequence = container_of( | |
1721 | field, struct bt_ctf_field_sequence, parent); | |
1722 | ||
1723 | for (i = 0; i < sequence->elements->len; i++) { | |
1724 | ret = bt_ctf_field_serialize( | |
1725 | g_ptr_array_index(sequence->elements, i), pos); | |
1726 | if (ret) { | |
1727 | goto end; | |
1728 | } | |
1729 | } | |
1730 | end: | |
1731 | return ret; | |
1732 | } | |
1733 | ||
1734 | static | |
1735 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1736 | struct ctf_stream_pos *pos) | |
1737 | { | |
1738 | size_t i; | |
1739 | int ret = 0; | |
1740 | struct bt_ctf_field_string *string = container_of(field, | |
1741 | struct bt_ctf_field_string, parent); | |
1742 | struct bt_ctf_field_type *character_type = | |
1743 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1744 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1745 | ||
1746 | for (i = 0; i < string->payload->len + 1; i++) { | |
1747 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1748 | (uint64_t) string->payload->str[i]); | |
1749 | if (ret) { | |
1750 | goto end; | |
1751 | } | |
1752 | ||
1753 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1754 | if (ret) { | |
1755 | goto end; | |
1756 | } | |
1757 | } | |
1758 | end: | |
1759 | bt_ctf_field_put(character); | |
1760 | bt_ctf_field_type_put(character_type); | |
1761 | return ret; | |
1762 | } | |
1763 | ||
87d43dc1 JG |
1764 | static |
1765 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
1766 | struct bt_ctf_field *dst) | |
1767 | { | |
1768 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
1769 | ||
1770 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 1771 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
1772 | |
1773 | memcpy(&integer_dst->definition, &integer_src->definition, | |
1774 | sizeof(struct definition_integer)); | |
1775 | return 0; | |
1776 | } | |
1777 | ||
1778 | static | |
1779 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
1780 | struct bt_ctf_field *dst) | |
1781 | { | |
1782 | int ret = 0; | |
1783 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
1784 | ||
1785 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
1786 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
1787 | ||
1788 | if (enum_src->payload) { | |
1789 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
1790 | if (!enum_dst->payload) { | |
1791 | ret = -1; | |
1792 | goto end; | |
1793 | } | |
1794 | } | |
1795 | end: | |
1796 | return ret; | |
1797 | } | |
1798 | ||
1799 | static | |
1800 | int bt_ctf_field_floating_point_copy( | |
1801 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
1802 | { | |
1803 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
1804 | ||
1805 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
1806 | parent); | |
1807 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
1808 | parent); | |
1809 | ||
1810 | memcpy(&float_dst->definition, &float_src->definition, | |
1811 | sizeof(struct definition_float)); | |
1812 | memcpy(&float_dst->sign, &float_src->sign, | |
1813 | sizeof(struct definition_integer)); | |
1814 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
1815 | sizeof(struct definition_integer)); | |
1816 | memcpy(&float_dst->exp, &float_src->exp, | |
1817 | sizeof(struct definition_integer)); | |
1818 | return 0; | |
1819 | } | |
1820 | ||
1821 | static | |
1822 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
1823 | struct bt_ctf_field *dst) | |
1824 | { | |
8bfa3f9c | 1825 | int ret = 0, i; |
87d43dc1 JG |
1826 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
1827 | ||
1828 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
1829 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
1830 | ||
8bfa3f9c | 1831 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 1832 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 1833 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
1834 | |
1835 | for (i = 0; i < struct_src->fields->len; i++) { | |
1836 | struct bt_ctf_field *field_copy = bt_ctf_field_copy( | |
1837 | g_ptr_array_index(struct_src->fields, i)); | |
1838 | ||
1839 | if (!field_copy) { | |
1840 | ret = -1; | |
1841 | goto end; | |
1842 | } | |
8bfa3f9c | 1843 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
1844 | } |
1845 | end: | |
1846 | return ret; | |
1847 | } | |
1848 | ||
1849 | static | |
1850 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
1851 | struct bt_ctf_field *dst) | |
1852 | { | |
1853 | int ret = 0; | |
1854 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
1855 | ||
1856 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
1857 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
1858 | ||
1859 | if (variant_src->tag) { | |
1860 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
1861 | if (!variant_dst->tag) { | |
1862 | ret = -1; | |
1863 | goto end; | |
1864 | } | |
1865 | } | |
1866 | if (variant_src->payload) { | |
1867 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
1868 | if (!variant_dst->payload) { | |
1869 | ret = -1; | |
1870 | goto end; | |
1871 | } | |
1872 | } | |
1873 | end: | |
1874 | return ret; | |
1875 | } | |
1876 | ||
1877 | static | |
1878 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
1879 | struct bt_ctf_field *dst) | |
1880 | { | |
1881 | int ret = 0, i; | |
1882 | struct bt_ctf_field_array *array_src, *array_dst; | |
1883 | ||
1884 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
1885 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
1886 | ||
8bfa3f9c | 1887 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 JG |
1888 | for (i = 0; i < array_src->elements->len; i++) { |
1889 | struct bt_ctf_field *field_copy = bt_ctf_field_copy( | |
1890 | g_ptr_array_index(array_src->elements, i)); | |
1891 | ||
1892 | if (!field_copy) { | |
1893 | ret = -1; | |
1894 | goto end; | |
1895 | } | |
8bfa3f9c | 1896 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
1897 | } |
1898 | end: | |
1899 | return ret; | |
1900 | } | |
1901 | ||
1902 | static | |
1903 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
1904 | struct bt_ctf_field *dst) | |
1905 | { | |
1906 | int ret = 0, i; | |
1907 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
1908 | ||
1909 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
1910 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
1911 | ||
8bfa3f9c | 1912 | g_ptr_array_set_size(sequence_dst->elements, |
87d43dc1 JG |
1913 | sequence_src->elements->len); |
1914 | for (i = 0; i < sequence_src->elements->len; i++) { | |
1915 | struct bt_ctf_field *field_copy = bt_ctf_field_copy( | |
1916 | g_ptr_array_index(sequence_src->elements, i)); | |
1917 | ||
1918 | if (!field_copy) { | |
1919 | ret = -1; | |
1920 | goto end; | |
1921 | } | |
8bfa3f9c | 1922 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
1923 | } |
1924 | end: | |
1925 | return ret; | |
1926 | } | |
1927 | ||
1928 | static | |
1929 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
1930 | struct bt_ctf_field *dst) | |
1931 | { | |
1932 | int ret = 0; | |
1933 | struct bt_ctf_field_string *string_src, *string_dst; | |
1934 | ||
1935 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
1936 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
1937 | ||
1938 | if (string_src->payload) { | |
1939 | string_dst->payload = g_string_new(string_src->payload->str); | |
1940 | if (!string_dst->payload) { | |
1941 | ret = -1; | |
1942 | goto end; | |
1943 | } | |
1944 | } | |
1945 | end: | |
1946 | return ret; | |
1947 | } | |
1948 | ||
273b65be JG |
1949 | static |
1950 | int increase_packet_size(struct ctf_stream_pos *pos) | |
1951 | { | |
1952 | int ret; | |
1953 | ||
1954 | assert(pos); | |
1955 | ret = munmap_align(pos->base_mma); | |
1956 | if (ret) { | |
1957 | goto end; | |
1958 | } | |
1959 | ||
1960 | pos->packet_size += PACKET_LEN_INCREMENT; | |
1961 | ret = posix_fallocate(pos->fd, pos->mmap_offset, | |
1962 | pos->packet_size / CHAR_BIT); | |
1963 | if (ret) { | |
1964 | goto end; | |
1965 | } | |
1966 | ||
1967 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
1968 | pos->flags, pos->fd, pos->mmap_offset); | |
1969 | if (pos->base_mma == MAP_FAILED) { | |
1970 | ret = -1; | |
1971 | } | |
1972 | end: | |
1973 | return ret; | |
1974 | } |