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 | |
ce6da4fd | 153 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be JG |
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 | |
ce6da4fd | 167 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
273b65be JG |
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 | |
ce6da4fd | 180 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
273b65be JG |
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 | 191 | static |
ce6da4fd | 192 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
12c8a1a3 JG |
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 | 203 | static |
ce6da4fd | 204 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
273b65be JG |
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 | 217 | static |
ce6da4fd JG |
218 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
219 | struct bt_ctf_field *) = { | |
87d43dc1 JG |
220 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_copy, |
221 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_copy, | |
222 | [CTF_TYPE_FLOAT] = bt_ctf_field_floating_point_copy, | |
223 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_copy, | |
224 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_copy, | |
225 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_copy, | |
226 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_copy, | |
227 | [CTF_TYPE_STRING] = bt_ctf_field_string_copy, | |
228 | }; | |
229 | ||
273b65be JG |
230 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
231 | { | |
232 | struct bt_ctf_field *field = NULL; | |
233 | enum ctf_type_id type_id; | |
234 | ||
235 | if (!type) { | |
236 | goto error; | |
237 | } | |
238 | ||
239 | type_id = bt_ctf_field_type_get_type_id(type); | |
9ce21c30 JG |
240 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES || |
241 | bt_ctf_field_type_validate(type)) { | |
273b65be JG |
242 | goto error; |
243 | } | |
244 | ||
245 | field = field_create_funcs[type_id](type); | |
246 | if (!field) { | |
247 | goto error; | |
248 | } | |
249 | ||
250 | /* The type's declaration can't change after this point */ | |
251 | bt_ctf_field_type_freeze(type); | |
252 | bt_ctf_field_type_get(type); | |
253 | bt_ctf_ref_init(&field->ref_count); | |
254 | field->type = type; | |
255 | error: | |
256 | return field; | |
257 | } | |
258 | ||
259 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
260 | { | |
261 | if (field) { | |
262 | bt_ctf_ref_get(&field->ref_count); | |
263 | } | |
264 | } | |
265 | ||
266 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
267 | { | |
268 | if (field) { | |
269 | bt_ctf_ref_put(&field->ref_count, bt_ctf_field_destroy); | |
270 | } | |
271 | } | |
272 | ||
cd95e351 JG |
273 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
274 | { | |
275 | struct bt_ctf_field_type *ret = NULL; | |
276 | ||
277 | if (!field) { | |
278 | goto end; | |
279 | } | |
280 | ||
281 | ret = field->type; | |
282 | bt_ctf_field_type_get(ret); | |
283 | end: | |
284 | return ret; | |
285 | } | |
286 | ||
287 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( | |
288 | struct bt_ctf_field *field) | |
289 | { | |
290 | struct bt_ctf_field *ret = NULL; | |
291 | struct bt_ctf_field_sequence *sequence; | |
292 | ||
293 | if (!field) { | |
294 | goto end; | |
295 | } | |
296 | ||
297 | if (bt_ctf_field_type_get_type_id(field->type) != | |
298 | CTF_TYPE_SEQUENCE) { | |
299 | goto end; | |
300 | } | |
301 | ||
302 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
303 | ret = sequence->length; | |
304 | bt_ctf_field_get(ret); | |
305 | end: | |
306 | return ret; | |
307 | } | |
308 | ||
273b65be JG |
309 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
310 | struct bt_ctf_field *length_field) | |
311 | { | |
312 | int ret = 0; | |
313 | struct bt_ctf_field_type_integer *length_type; | |
314 | struct bt_ctf_field_integer *length; | |
315 | struct bt_ctf_field_sequence *sequence; | |
316 | uint64_t sequence_length; | |
317 | ||
318 | if (!field || !length_field) { | |
319 | ret = -1; | |
320 | goto end; | |
321 | } | |
322 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
323 | CTF_TYPE_INTEGER) { | |
324 | ret = -1; | |
325 | goto end; | |
326 | } | |
327 | ||
328 | length_type = container_of(length_field->type, | |
329 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 330 | /* The length field must be unsigned */ |
273b65be JG |
331 | if (length_type->declaration.signedness) { |
332 | ret = -1; | |
333 | goto end; | |
334 | } | |
335 | ||
336 | length = container_of(length_field, struct bt_ctf_field_integer, | |
337 | parent); | |
338 | sequence_length = length->definition.value._unsigned; | |
339 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
340 | if (sequence->elements) { | |
341 | g_ptr_array_free(sequence->elements, TRUE); | |
342 | bt_ctf_field_put(sequence->length); | |
343 | } | |
344 | ||
fe0fe95c | 345 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
346 | if (!sequence->elements) { |
347 | ret = -1; | |
348 | goto end; | |
349 | } | |
350 | ||
fe0fe95c JG |
351 | g_ptr_array_set_free_func(sequence->elements, |
352 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
353 | g_ptr_array_set_size(sequence->elements, (size_t)sequence_length); |
354 | bt_ctf_field_get(length_field); | |
355 | sequence->length = length_field; | |
356 | end: | |
357 | return ret; | |
358 | } | |
359 | ||
360 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
361 | struct bt_ctf_field *field, const char *name) | |
362 | { | |
363 | struct bt_ctf_field *new_field = NULL; | |
364 | GQuark field_quark; | |
365 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 366 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
367 | size_t index; |
368 | ||
369 | if (!field || !name || | |
370 | bt_ctf_field_type_get_type_id(field->type) != | |
371 | CTF_TYPE_STRUCT) { | |
372 | goto error; | |
373 | } | |
374 | ||
375 | field_quark = g_quark_from_string(name); | |
376 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
377 | field_type = |
378 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
379 | name); | |
273b65be JG |
380 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
381 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
382 | goto error; | |
383 | } | |
384 | ||
385 | if (structure->fields->pdata[index]) { | |
386 | new_field = structure->fields->pdata[index]; | |
387 | goto end; | |
388 | } | |
389 | ||
390 | new_field = bt_ctf_field_create(field_type); | |
391 | if (!new_field) { | |
392 | goto error; | |
393 | } | |
394 | ||
395 | structure->fields->pdata[index] = new_field; | |
396 | end: | |
397 | bt_ctf_field_get(new_field); | |
398 | error: | |
b92ddaaa JG |
399 | if (field_type) { |
400 | bt_ctf_field_type_put(field_type); | |
401 | } | |
273b65be JG |
402 | return new_field; |
403 | } | |
404 | ||
cd95e351 | 405 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 406 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
407 | { |
408 | int ret; | |
409 | const char *field_name; | |
410 | struct bt_ctf_field_structure *structure; | |
411 | struct bt_ctf_field_type *structure_type; | |
412 | struct bt_ctf_field_type *field_type = NULL; | |
413 | struct bt_ctf_field *ret_field = NULL; | |
414 | ||
415 | if (!field || | |
416 | bt_ctf_field_type_get_type_id(field->type) != CTF_TYPE_STRUCT) { | |
417 | goto end; | |
418 | } | |
419 | ||
420 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
421 | if (index >= structure->fields->len) { | |
422 | goto error; | |
423 | } | |
424 | ||
425 | ret_field = structure->fields->pdata[index]; | |
426 | if (ret_field) { | |
427 | goto end; | |
428 | } | |
429 | ||
430 | /* Field has not been instanciated yet, create it */ | |
431 | structure_type = bt_ctf_field_get_type(field); | |
432 | if (!structure_type) { | |
433 | goto error; | |
434 | } | |
435 | ||
436 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
437 | &field_name, &field_type, index); | |
438 | bt_ctf_field_type_put(structure_type); | |
439 | if (ret) { | |
440 | goto error; | |
441 | } | |
442 | ||
443 | ret_field = bt_ctf_field_create(field_type); | |
444 | if (!ret_field) { | |
445 | goto error; | |
446 | } | |
447 | ||
448 | structure->fields->pdata[index] = ret_field; | |
449 | end: | |
450 | bt_ctf_field_get(ret_field); | |
451 | error: | |
452 | if (field_type) { | |
453 | bt_ctf_field_type_put(field_type); | |
454 | } | |
455 | return ret_field; | |
456 | } | |
457 | ||
273b65be JG |
458 | BT_HIDDEN |
459 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
460 | const char *name, struct bt_ctf_field *value) | |
461 | { | |
462 | int ret = 0; | |
463 | GQuark field_quark; | |
464 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 465 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
466 | size_t index; |
467 | ||
468 | if (!field || !name || !value || | |
469 | bt_ctf_field_type_get_type_id(field->type) != | |
470 | CTF_TYPE_STRUCT) { | |
471 | ret = -1; | |
472 | goto end; | |
473 | } | |
474 | ||
475 | field_quark = g_quark_from_string(name); | |
476 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
477 | expected_field_type = |
478 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
479 | name); | |
273b65be JG |
480 | if (expected_field_type != value->type) { |
481 | ret = -1; | |
482 | goto end; | |
483 | } | |
484 | ||
485 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
486 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
487 | goto end; | |
488 | } | |
489 | ||
490 | if (structure->fields->pdata[index]) { | |
491 | bt_ctf_field_put(structure->fields->pdata[index]); | |
492 | } | |
493 | ||
494 | structure->fields->pdata[index] = value; | |
495 | bt_ctf_field_get(value); | |
496 | end: | |
b92ddaaa JG |
497 | if (expected_field_type) { |
498 | bt_ctf_field_type_put(expected_field_type); | |
499 | } | |
273b65be JG |
500 | return ret; |
501 | } | |
502 | ||
503 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
504 | uint64_t index) | |
505 | { | |
506 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 507 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 508 | struct bt_ctf_field_array *array; |
273b65be JG |
509 | |
510 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
511 | CTF_TYPE_ARRAY) { | |
512 | goto end; | |
513 | } | |
514 | ||
515 | array = container_of(field, struct bt_ctf_field_array, parent); | |
516 | if (index >= array->elements->len) { | |
517 | goto end; | |
518 | } | |
519 | ||
b92ddaaa | 520 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
521 | if (array->elements->pdata[(size_t)index]) { |
522 | new_field = array->elements->pdata[(size_t)index]; | |
523 | goto end; | |
524 | } | |
525 | ||
526 | new_field = bt_ctf_field_create(field_type); | |
527 | bt_ctf_field_get(new_field); | |
528 | array->elements->pdata[(size_t)index] = new_field; | |
529 | end: | |
b92ddaaa JG |
530 | if (field_type) { |
531 | bt_ctf_field_type_put(field_type); | |
532 | } | |
273b65be JG |
533 | return new_field; |
534 | } | |
535 | ||
536 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
537 | uint64_t index) | |
538 | { | |
539 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 540 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 541 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
542 | |
543 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
544 | CTF_TYPE_SEQUENCE) { | |
545 | goto end; | |
546 | } | |
547 | ||
548 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
549 | if (!sequence->elements || sequence->elements->len <= index) { | |
550 | goto end; | |
551 | } | |
552 | ||
b92ddaaa | 553 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
273b65be JG |
554 | if (sequence->elements->pdata[(size_t)index]) { |
555 | new_field = sequence->elements->pdata[(size_t)index]; | |
556 | goto end; | |
557 | } | |
558 | ||
559 | new_field = bt_ctf_field_create(field_type); | |
560 | bt_ctf_field_get(new_field); | |
561 | sequence->elements->pdata[(size_t)index] = new_field; | |
562 | end: | |
b92ddaaa JG |
563 | if (field_type) { |
564 | bt_ctf_field_type_put(field_type); | |
565 | } | |
273b65be JG |
566 | return new_field; |
567 | } | |
568 | ||
569 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
570 | struct bt_ctf_field *tag_field) | |
571 | { | |
572 | struct bt_ctf_field *new_field = NULL; | |
573 | struct bt_ctf_field_variant *variant; | |
574 | struct bt_ctf_field_type_variant *variant_type; | |
575 | struct bt_ctf_field_type *field_type; | |
576 | struct bt_ctf_field *tag_enum = NULL; | |
577 | struct bt_ctf_field_integer *tag_enum_integer; | |
578 | int64_t tag_enum_value; | |
579 | ||
580 | if (!field || !tag_field || | |
581 | bt_ctf_field_type_get_type_id(field->type) != | |
582 | CTF_TYPE_VARIANT || | |
583 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
584 | CTF_TYPE_ENUM) { | |
585 | goto end; | |
586 | } | |
587 | ||
588 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
589 | variant_type = container_of(field->type, | |
590 | struct bt_ctf_field_type_variant, parent); | |
591 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
592 | if (!tag_enum) { | |
593 | goto end; | |
594 | } | |
595 | ||
596 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
597 | parent); | |
598 | ||
2c661a4d | 599 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
600 | goto end; |
601 | } | |
602 | ||
603 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
b92ddaaa JG |
604 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
605 | variant_type, tag_enum_value); | |
273b65be JG |
606 | if (!field_type) { |
607 | goto end; | |
608 | } | |
609 | ||
610 | new_field = bt_ctf_field_create(field_type); | |
611 | if (!new_field) { | |
612 | goto end; | |
613 | } | |
614 | ||
615 | bt_ctf_field_put(variant->tag); | |
616 | bt_ctf_field_put(variant->payload); | |
617 | bt_ctf_field_get(new_field); | |
618 | bt_ctf_field_get(tag_field); | |
619 | variant->tag = tag_field; | |
620 | variant->payload = new_field; | |
621 | end: | |
622 | bt_ctf_field_put(tag_enum); | |
623 | return new_field; | |
624 | } | |
625 | ||
626 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( | |
627 | struct bt_ctf_field *field) | |
628 | { | |
629 | struct bt_ctf_field *container = NULL; | |
630 | struct bt_ctf_field_enumeration *enumeration; | |
631 | ||
b92ddaaa JG |
632 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
633 | CTF_TYPE_ENUM) { | |
273b65be JG |
634 | goto end; |
635 | } | |
636 | ||
637 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
638 | parent); | |
639 | if (!enumeration->payload) { | |
640 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
641 | container_of(field->type, | |
642 | struct bt_ctf_field_type_enumeration, parent); | |
643 | enumeration->payload = | |
644 | bt_ctf_field_create(enumeration_type->container); | |
645 | } | |
646 | ||
647 | container = enumeration->payload; | |
648 | bt_ctf_field_get(container); | |
649 | end: | |
650 | return container; | |
651 | } | |
652 | ||
cd95e351 JG |
653 | const char *bt_ctf_field_enumeration_get_mapping_name( |
654 | struct bt_ctf_field *field) | |
655 | { | |
656 | int ret; | |
657 | const char *name = NULL; | |
658 | struct bt_ctf_field *container = NULL; | |
659 | struct bt_ctf_field_type *container_type = NULL; | |
660 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
661 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
662 | ||
663 | container = bt_ctf_field_enumeration_get_container(field); | |
664 | if (!container) { | |
665 | goto end; | |
666 | } | |
667 | ||
668 | container_type = bt_ctf_field_get_type(container); | |
669 | if (!container_type) { | |
670 | goto error_put_container; | |
671 | } | |
672 | ||
673 | integer_type = container_of(container_type, | |
674 | struct bt_ctf_field_type_integer, parent); | |
675 | enumeration_type = container_of(field->type, | |
676 | struct bt_ctf_field_type_enumeration, parent); | |
677 | ||
10817e06 | 678 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
679 | uint64_t value; |
680 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
681 | &value); | |
682 | if (ret) { | |
683 | goto error_put_container_type; | |
684 | } | |
685 | ||
686 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
687 | enumeration_type, value); | |
688 | } else { | |
689 | int64_t value; | |
690 | ret = bt_ctf_field_signed_integer_get_value(container, | |
691 | &value); | |
692 | if (ret) { | |
693 | goto error_put_container_type; | |
694 | } | |
695 | ||
696 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
697 | enumeration_type, value); | |
698 | } | |
699 | ||
700 | error_put_container_type: | |
701 | bt_ctf_field_type_put(container_type); | |
702 | error_put_container: | |
703 | bt_ctf_field_put(container); | |
704 | end: | |
705 | return name; | |
706 | } | |
707 | ||
708 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
709 | int64_t *value) | |
710 | { | |
711 | int ret = 0; | |
712 | struct bt_ctf_field_integer *integer; | |
713 | struct bt_ctf_field_type_integer *integer_type; | |
714 | ||
715 | if (!field || !value || !field->payload_set || | |
716 | bt_ctf_field_type_get_type_id(field->type) != | |
717 | CTF_TYPE_INTEGER) { | |
718 | ret = -1; | |
719 | goto end; | |
720 | } | |
721 | ||
722 | integer_type = container_of(field->type, | |
723 | struct bt_ctf_field_type_integer, parent); | |
724 | if (!integer_type->declaration.signedness) { | |
725 | ret = -1; | |
726 | goto end; | |
727 | } | |
728 | ||
729 | integer = container_of(field, | |
730 | struct bt_ctf_field_integer, parent); | |
731 | *value = integer->definition.value._signed; | |
732 | end: | |
733 | return ret; | |
734 | } | |
735 | ||
273b65be JG |
736 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
737 | int64_t value) | |
738 | { | |
739 | int ret = 0; | |
740 | struct bt_ctf_field_integer *integer; | |
741 | struct bt_ctf_field_type_integer *integer_type; | |
742 | unsigned int size; | |
743 | int64_t min_value, max_value; | |
744 | ||
745 | if (!field || | |
746 | bt_ctf_field_type_get_type_id(field->type) != | |
747 | CTF_TYPE_INTEGER) { | |
748 | ret = -1; | |
749 | goto end; | |
750 | } | |
751 | ||
752 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
753 | integer_type = container_of(field->type, | |
754 | struct bt_ctf_field_type_integer, parent); | |
755 | if (!integer_type->declaration.signedness) { | |
756 | ret = -1; | |
757 | goto end; | |
758 | } | |
759 | ||
760 | size = integer_type->declaration.len; | |
761 | min_value = -((int64_t)1 << (size - 1)); | |
762 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
763 | if (value < min_value || value > max_value) { | |
764 | ret = -1; | |
765 | goto end; | |
766 | } | |
767 | ||
768 | integer->definition.value._signed = value; | |
769 | integer->parent.payload_set = 1; | |
770 | end: | |
771 | return ret; | |
772 | } | |
773 | ||
cd95e351 JG |
774 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
775 | uint64_t *value) | |
776 | { | |
777 | int ret = 0; | |
778 | struct bt_ctf_field_integer *integer; | |
779 | struct bt_ctf_field_type_integer *integer_type; | |
780 | ||
781 | if (!field || !value || !field->payload_set || | |
782 | bt_ctf_field_type_get_type_id(field->type) != | |
783 | CTF_TYPE_INTEGER) { | |
784 | ret = -1; | |
785 | goto end; | |
786 | } | |
787 | ||
788 | integer_type = container_of(field->type, | |
789 | struct bt_ctf_field_type_integer, parent); | |
790 | if (integer_type->declaration.signedness) { | |
791 | ret = -1; | |
792 | goto end; | |
793 | } | |
794 | ||
795 | integer = container_of(field, | |
796 | struct bt_ctf_field_integer, parent); | |
797 | *value = integer->definition.value._unsigned; | |
798 | end: | |
799 | return ret; | |
800 | } | |
801 | ||
273b65be JG |
802 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
803 | uint64_t value) | |
804 | { | |
805 | int ret = 0; | |
806 | struct bt_ctf_field_integer *integer; | |
807 | struct bt_ctf_field_type_integer *integer_type; | |
808 | unsigned int size; | |
809 | uint64_t max_value; | |
810 | ||
811 | if (!field || | |
812 | bt_ctf_field_type_get_type_id(field->type) != | |
813 | CTF_TYPE_INTEGER) { | |
814 | ret = -1; | |
815 | goto end; | |
816 | } | |
817 | ||
818 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
819 | integer_type = container_of(field->type, | |
820 | struct bt_ctf_field_type_integer, parent); | |
821 | if (integer_type->declaration.signedness) { | |
822 | ret = -1; | |
823 | goto end; | |
824 | } | |
825 | ||
826 | size = integer_type->declaration.len; | |
827 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
828 | if (value > max_value) { | |
829 | ret = -1; | |
830 | goto end; | |
831 | } | |
832 | ||
833 | integer->definition.value._unsigned = value; | |
834 | integer->parent.payload_set = 1; | |
835 | end: | |
836 | return ret; | |
837 | } | |
838 | ||
cd95e351 JG |
839 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
840 | double *value) | |
841 | { | |
842 | int ret = 0; | |
843 | struct bt_ctf_field_floating_point *floating_point; | |
844 | ||
845 | if (!field || !value || !field->payload_set || | |
846 | bt_ctf_field_type_get_type_id(field->type) != | |
847 | CTF_TYPE_FLOAT) { | |
848 | ret = -1; | |
849 | goto end; | |
850 | } | |
851 | ||
852 | floating_point = container_of(field, | |
853 | struct bt_ctf_field_floating_point, parent); | |
854 | *value = floating_point->definition.value; | |
855 | end: | |
856 | return ret; | |
857 | } | |
858 | ||
273b65be JG |
859 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
860 | double value) | |
861 | { | |
862 | int ret = 0; | |
863 | struct bt_ctf_field_floating_point *floating_point; | |
864 | ||
865 | if (!field || | |
866 | bt_ctf_field_type_get_type_id(field->type) != | |
867 | CTF_TYPE_FLOAT) { | |
868 | ret = -1; | |
869 | goto end; | |
870 | } | |
871 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
872 | parent); | |
873 | floating_point->definition.value = value; | |
874 | floating_point->parent.payload_set = 1; | |
875 | end: | |
876 | return ret; | |
877 | } | |
878 | ||
cd95e351 JG |
879 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
880 | { | |
881 | const char *ret = NULL; | |
882 | struct bt_ctf_field_string *string; | |
883 | ||
884 | if (!field || !field->payload_set || | |
885 | bt_ctf_field_type_get_type_id(field->type) != | |
886 | CTF_TYPE_STRING) { | |
887 | goto end; | |
888 | } | |
889 | ||
890 | string = container_of(field, | |
891 | struct bt_ctf_field_string, parent); | |
892 | ret = string->payload->str; | |
893 | end: | |
894 | return ret; | |
895 | } | |
896 | ||
273b65be JG |
897 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
898 | const char *value) | |
899 | { | |
900 | int ret = 0; | |
901 | struct bt_ctf_field_string *string; | |
902 | ||
903 | if (!field || !value || | |
904 | bt_ctf_field_type_get_type_id(field->type) != | |
905 | CTF_TYPE_STRING) { | |
906 | ret = -1; | |
907 | goto end; | |
908 | } | |
909 | ||
910 | string = container_of(field, struct bt_ctf_field_string, parent); | |
911 | if (string->payload) { | |
97736814 JG |
912 | g_string_assign(string->payload, value); |
913 | } else { | |
914 | string->payload = g_string_new(value); | |
273b65be JG |
915 | } |
916 | ||
273b65be JG |
917 | string->parent.payload_set = 1; |
918 | end: | |
919 | return ret; | |
920 | } | |
921 | ||
922 | BT_HIDDEN | |
923 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
924 | { | |
925 | int ret = 0; | |
926 | enum ctf_type_id type_id; | |
927 | ||
928 | if (!field) { | |
929 | ret = -1; | |
930 | goto end; | |
931 | } | |
932 | ||
933 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
934 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
935 | ret = -1; | |
936 | goto end; | |
937 | } | |
938 | ||
939 | ret = field_validate_funcs[type_id](field); | |
940 | end: | |
941 | return ret; | |
942 | } | |
943 | ||
12c8a1a3 JG |
944 | BT_HIDDEN |
945 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
946 | { | |
947 | int ret = 0; | |
948 | enum ctf_type_id type_id; | |
949 | ||
950 | if (!field) { | |
951 | ret = -1; | |
952 | goto end; | |
953 | } | |
954 | ||
955 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
956 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
957 | ret = -1; | |
958 | goto end; | |
959 | } | |
960 | ||
961 | ret = field_reset_funcs[type_id](field); | |
962 | end: | |
963 | return ret; | |
964 | } | |
965 | ||
273b65be JG |
966 | BT_HIDDEN |
967 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
968 | struct ctf_stream_pos *pos) | |
969 | { | |
970 | int ret = 0; | |
971 | enum ctf_type_id type_id; | |
972 | ||
973 | if (!field || !pos) { | |
974 | ret = -1; | |
975 | goto end; | |
976 | } | |
977 | ||
978 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
979 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
980 | ret = -1; | |
981 | goto end; | |
982 | } | |
983 | ||
984 | ret = field_serialize_funcs[type_id](field, pos); | |
985 | end: | |
986 | return ret; | |
987 | } | |
988 | ||
87d43dc1 JG |
989 | BT_HIDDEN |
990 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) | |
991 | { | |
992 | int ret; | |
993 | struct bt_ctf_field *copy = NULL; | |
994 | enum ctf_type_id type_id; | |
995 | ||
996 | if (!field) { | |
87d43dc1 JG |
997 | goto end; |
998 | } | |
999 | ||
1000 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1001 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
87d43dc1 JG |
1002 | goto end; |
1003 | } | |
1004 | ||
1005 | copy = bt_ctf_field_create(field->type); | |
1006 | if (!copy) { | |
1007 | goto end; | |
1008 | } | |
1009 | ||
87d43dc1 JG |
1010 | ret = field_copy_funcs[type_id](field, copy); |
1011 | if (ret) { | |
1012 | bt_ctf_field_put(copy); | |
1013 | copy = NULL; | |
1014 | } | |
1015 | end: | |
1016 | return copy; | |
1017 | } | |
1018 | ||
273b65be JG |
1019 | static |
1020 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1021 | { | |
1022 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1023 | struct bt_ctf_field_type_integer, parent); | |
1024 | struct bt_ctf_field_integer *integer = g_new0( | |
1025 | struct bt_ctf_field_integer, 1); | |
1026 | ||
1027 | if (integer) { | |
1028 | integer->definition.declaration = &integer_type->declaration; | |
1029 | } | |
1030 | ||
1031 | return integer ? &integer->parent : NULL; | |
1032 | } | |
1033 | ||
1034 | static | |
1035 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1036 | struct bt_ctf_field_type *type) | |
1037 | { | |
1038 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1039 | struct bt_ctf_field_enumeration, 1); | |
1040 | ||
1041 | return enumeration ? &enumeration->parent : NULL; | |
1042 | } | |
1043 | ||
1044 | static | |
1045 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1046 | struct bt_ctf_field_type *type) | |
1047 | { | |
1048 | struct bt_ctf_field_floating_point *floating_point; | |
1049 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1050 | ||
1051 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1052 | if (!floating_point) { | |
1053 | goto end; | |
1054 | } | |
1055 | ||
1056 | floating_point_type = container_of(type, | |
1057 | struct bt_ctf_field_type_floating_point, parent); | |
1058 | floating_point->definition.declaration = container_of( | |
1059 | type->declaration, struct declaration_float, p); | |
1060 | ||
1061 | ||
1062 | floating_point->definition.sign = &floating_point->sign; | |
1063 | floating_point->sign.declaration = &floating_point_type->sign; | |
1064 | floating_point->definition.sign->p.declaration = | |
1065 | &floating_point_type->sign.p; | |
1066 | ||
1067 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1068 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1069 | floating_point->definition.mantissa->p.declaration = | |
1070 | &floating_point_type->mantissa.p; | |
1071 | ||
1072 | floating_point->definition.exp = &floating_point->exp; | |
1073 | floating_point->exp.declaration = &floating_point_type->exp; | |
1074 | floating_point->definition.exp->p.declaration = | |
1075 | &floating_point_type->exp.p; | |
1076 | ||
1077 | end: | |
1078 | return floating_point ? &floating_point->parent : NULL; | |
1079 | } | |
1080 | ||
1081 | static | |
1082 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1083 | struct bt_ctf_field_type *type) | |
1084 | { | |
1085 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1086 | struct bt_ctf_field_type_structure, parent); | |
1087 | struct bt_ctf_field_structure *structure = g_new0( | |
1088 | struct bt_ctf_field_structure, 1); | |
1089 | struct bt_ctf_field *field = NULL; | |
1090 | ||
1091 | if (!structure || !structure_type->fields->len) { | |
1092 | goto end; | |
1093 | } | |
1094 | ||
1095 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1096 | structure->fields = g_ptr_array_new_with_free_func( | |
1097 | (GDestroyNotify)bt_ctf_field_put); | |
1098 | g_ptr_array_set_size(structure->fields, | |
1099 | g_hash_table_size(structure->field_name_to_index)); | |
1100 | field = &structure->parent; | |
1101 | end: | |
1102 | return field; | |
1103 | } | |
1104 | ||
1105 | static | |
1106 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1107 | { | |
1108 | struct bt_ctf_field_variant *variant = g_new0( | |
1109 | struct bt_ctf_field_variant, 1); | |
1110 | return variant ? &variant->parent : NULL; | |
1111 | } | |
1112 | ||
1113 | static | |
1114 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1115 | { | |
1116 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1117 | struct bt_ctf_field_type_array *array_type; | |
1118 | unsigned int array_length; | |
1119 | ||
1120 | if (!array || !type) { | |
1121 | goto error; | |
1122 | } | |
1123 | ||
1124 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1125 | array_length = array_type->length; | |
fe0fe95c | 1126 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1127 | if (!array->elements) { |
1128 | goto error; | |
1129 | } | |
1130 | ||
fe0fe95c JG |
1131 | g_ptr_array_set_free_func(array->elements, |
1132 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1133 | g_ptr_array_set_size(array->elements, array_length); |
1134 | return &array->parent; | |
1135 | error: | |
1136 | g_free(array); | |
1137 | return NULL; | |
1138 | } | |
1139 | ||
1140 | static | |
1141 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1142 | struct bt_ctf_field_type *type) | |
1143 | { | |
1144 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1145 | struct bt_ctf_field_sequence, 1); | |
1146 | return sequence ? &sequence->parent : NULL; | |
1147 | } | |
1148 | ||
1149 | static | |
1150 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1151 | { | |
1152 | struct bt_ctf_field_string *string = g_new0( | |
1153 | struct bt_ctf_field_string, 1); | |
1154 | return string ? &string->parent : NULL; | |
1155 | } | |
1156 | ||
1157 | static | |
1158 | void bt_ctf_field_destroy(struct bt_ctf_ref *ref) | |
1159 | { | |
1160 | struct bt_ctf_field *field; | |
1161 | struct bt_ctf_field_type *type; | |
1162 | enum ctf_type_id type_id; | |
1163 | ||
1164 | if (!ref) { | |
1165 | return; | |
1166 | } | |
1167 | ||
1168 | field = container_of(ref, struct bt_ctf_field, ref_count); | |
1169 | type = field->type; | |
1170 | type_id = bt_ctf_field_type_get_type_id(type); | |
1171 | if (type_id <= CTF_TYPE_UNKNOWN || | |
1172 | type_id >= NR_CTF_TYPES) { | |
1173 | return; | |
1174 | } | |
1175 | ||
1176 | field_destroy_funcs[type_id](field); | |
1177 | if (type) { | |
1178 | bt_ctf_field_type_put(type); | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | static | |
1183 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1184 | { | |
1185 | struct bt_ctf_field_integer *integer; | |
1186 | ||
1187 | if (!field) { | |
1188 | return; | |
1189 | } | |
1190 | ||
1191 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1192 | g_free(integer); | |
1193 | } | |
1194 | ||
1195 | static | |
1196 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1197 | { | |
1198 | struct bt_ctf_field_enumeration *enumeration; | |
1199 | ||
1200 | if (!field) { | |
1201 | return; | |
1202 | } | |
1203 | ||
1204 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1205 | parent); | |
1206 | bt_ctf_field_put(enumeration->payload); | |
1207 | g_free(enumeration); | |
1208 | } | |
1209 | ||
1210 | static | |
1211 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1212 | { | |
1213 | struct bt_ctf_field_floating_point *floating_point; | |
1214 | ||
1215 | if (!field) { | |
1216 | return; | |
1217 | } | |
1218 | ||
1219 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1220 | parent); | |
1221 | g_free(floating_point); | |
1222 | } | |
1223 | ||
1224 | static | |
1225 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1226 | { | |
1227 | struct bt_ctf_field_structure *structure; | |
1228 | ||
1229 | if (!field) { | |
1230 | return; | |
1231 | } | |
1232 | ||
1233 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1234 | g_ptr_array_free(structure->fields, TRUE); | |
1235 | g_free(structure); | |
1236 | } | |
1237 | ||
1238 | static | |
1239 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1240 | { | |
1241 | struct bt_ctf_field_variant *variant; | |
1242 | ||
1243 | if (!field) { | |
1244 | return; | |
1245 | } | |
1246 | ||
1247 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1248 | bt_ctf_field_put(variant->tag); | |
1249 | bt_ctf_field_put(variant->payload); | |
1250 | g_free(variant); | |
1251 | } | |
1252 | ||
1253 | static | |
1254 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1255 | { | |
1256 | struct bt_ctf_field_array *array; | |
1257 | ||
1258 | if (!field) { | |
1259 | return; | |
1260 | } | |
1261 | ||
1262 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1263 | g_ptr_array_free(array->elements, TRUE); | |
1264 | g_free(array); | |
1265 | } | |
1266 | ||
1267 | static | |
1268 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1269 | { | |
1270 | struct bt_ctf_field_sequence *sequence; | |
1271 | ||
1272 | if (!field) { | |
1273 | return; | |
1274 | } | |
1275 | ||
1276 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1277 | g_ptr_array_free(sequence->elements, TRUE); | |
1278 | bt_ctf_field_put(sequence->length); | |
1279 | g_free(sequence); | |
1280 | } | |
1281 | ||
1282 | static | |
1283 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1284 | { | |
1285 | struct bt_ctf_field_string *string; | |
1286 | if (!field) { | |
1287 | return; | |
1288 | } | |
1289 | ||
1290 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1291 | if (string->payload) { |
1292 | g_string_free(string->payload, TRUE); | |
1293 | } | |
273b65be JG |
1294 | g_free(string); |
1295 | } | |
1296 | ||
1297 | static | |
1298 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1299 | { | |
da2f6971 | 1300 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1301 | } |
1302 | ||
1303 | static | |
1304 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1305 | { | |
1306 | int ret; | |
1307 | struct bt_ctf_field_enumeration *enumeration; | |
1308 | ||
1309 | if (!field) { | |
1310 | ret = -1; | |
1311 | goto end; | |
1312 | } | |
1313 | ||
1314 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1315 | parent); | |
1316 | if (!enumeration->payload) { | |
1317 | ret = -1; | |
1318 | goto end; | |
1319 | } | |
1320 | ||
1321 | ret = bt_ctf_field_validate(enumeration->payload); | |
1322 | end: | |
1323 | return ret; | |
1324 | } | |
1325 | ||
1326 | static | |
1327 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1328 | { | |
1329 | size_t i; | |
1330 | int ret = 0; | |
1331 | struct bt_ctf_field_structure *structure; | |
1332 | ||
1333 | if (!field) { | |
1334 | ret = -1; | |
1335 | goto end; | |
1336 | } | |
1337 | ||
1338 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1339 | for (i = 0; i < structure->fields->len; i++) { | |
1340 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1341 | if (ret) { | |
1342 | goto end; | |
1343 | } | |
1344 | } | |
1345 | end: | |
1346 | return ret; | |
1347 | } | |
1348 | ||
1349 | static | |
1350 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1351 | { | |
1352 | int ret = 0; | |
1353 | struct bt_ctf_field_variant *variant; | |
1354 | ||
1355 | if (!field) { | |
1356 | ret = -1; | |
1357 | goto end; | |
1358 | } | |
1359 | ||
1360 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1361 | ret = bt_ctf_field_validate(variant->payload); | |
1362 | end: | |
1363 | return ret; | |
1364 | } | |
1365 | ||
1366 | static | |
1367 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1368 | { | |
1369 | size_t i; | |
1370 | int ret = 0; | |
1371 | struct bt_ctf_field_array *array; | |
1372 | ||
1373 | if (!field) { | |
1374 | ret = -1; | |
1375 | goto end; | |
1376 | } | |
1377 | ||
1378 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1379 | for (i = 0; i < array->elements->len; i++) { | |
1380 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1381 | if (ret) { | |
1382 | goto end; | |
1383 | } | |
1384 | } | |
1385 | end: | |
1386 | return ret; | |
1387 | } | |
1388 | ||
1389 | static | |
1390 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1391 | { | |
1392 | size_t i; | |
1393 | int ret = 0; | |
1394 | struct bt_ctf_field_sequence *sequence; | |
1395 | ||
1396 | if (!field) { | |
1397 | ret = -1; | |
1398 | goto end; | |
1399 | } | |
1400 | ||
1401 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1402 | for (i = 0; i < sequence->elements->len; i++) { | |
1403 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1404 | if (ret) { | |
1405 | goto end; | |
1406 | } | |
1407 | } | |
1408 | end: | |
1409 | return ret; | |
1410 | } | |
1411 | ||
12c8a1a3 JG |
1412 | static |
1413 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1414 | { | |
1415 | int ret = 0; | |
1416 | ||
1417 | if (!field) { | |
1418 | ret = -1; | |
1419 | goto end; | |
1420 | } | |
1421 | ||
1422 | field->payload_set = 0; | |
1423 | end: | |
1424 | return ret; | |
1425 | } | |
1426 | ||
1427 | static | |
1428 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1429 | { | |
1430 | int ret = 0; | |
1431 | struct bt_ctf_field_enumeration *enumeration; | |
1432 | ||
1433 | if (!field) { | |
1434 | ret = -1; | |
1435 | goto end; | |
1436 | } | |
1437 | ||
1438 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1439 | parent); | |
1440 | if (!enumeration->payload) { | |
1441 | goto end; | |
1442 | } | |
1443 | ||
1444 | ret = bt_ctf_field_reset(enumeration->payload); | |
1445 | end: | |
1446 | return ret; | |
1447 | } | |
1448 | ||
1449 | static | |
1450 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1451 | { | |
1452 | size_t i; | |
1453 | int ret = 0; | |
1454 | struct bt_ctf_field_structure *structure; | |
1455 | ||
1456 | if (!field) { | |
1457 | ret = -1; | |
1458 | goto end; | |
1459 | } | |
1460 | ||
1461 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1462 | for (i = 0; i < structure->fields->len; i++) { | |
1463 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1464 | ||
1465 | if (!member) { | |
1466 | /* | |
1467 | * Structure members are lazily initialized; skip if | |
1468 | * this member has not been allocated yet. | |
1469 | */ | |
1470 | continue; | |
1471 | } | |
1472 | ||
1473 | ret = bt_ctf_field_reset(member); | |
1474 | if (ret) { | |
1475 | goto end; | |
1476 | } | |
1477 | } | |
1478 | end: | |
1479 | return ret; | |
1480 | } | |
1481 | ||
1482 | static | |
1483 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1484 | { | |
1485 | int ret = 0; | |
1486 | struct bt_ctf_field_variant *variant; | |
1487 | ||
1488 | if (!field) { | |
1489 | ret = -1; | |
1490 | goto end; | |
1491 | } | |
1492 | ||
1493 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1494 | if (variant->payload) { | |
1495 | ret = bt_ctf_field_reset(variant->payload); | |
1496 | } | |
1497 | end: | |
1498 | return ret; | |
1499 | } | |
1500 | ||
1501 | static | |
1502 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1503 | { | |
1504 | size_t i; | |
1505 | int ret = 0; | |
1506 | struct bt_ctf_field_array *array; | |
1507 | ||
1508 | if (!field) { | |
1509 | ret = -1; | |
1510 | goto end; | |
1511 | } | |
1512 | ||
1513 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1514 | for (i = 0; i < array->elements->len; i++) { | |
1515 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1516 | ||
1517 | if (!member) { | |
1518 | /* | |
1519 | * Array elements are lazily initialized; skip if | |
1520 | * this member has not been allocated yet. | |
1521 | */ | |
1522 | continue; | |
1523 | } | |
1524 | ||
1525 | ret = bt_ctf_field_reset(member); | |
1526 | if (ret) { | |
1527 | goto end; | |
1528 | } | |
1529 | } | |
1530 | end: | |
1531 | return ret; | |
1532 | } | |
1533 | ||
1534 | static | |
1535 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1536 | { | |
1537 | size_t i; | |
1538 | int ret = 0; | |
1539 | struct bt_ctf_field_sequence *sequence; | |
1540 | ||
1541 | if (!field) { | |
1542 | ret = -1; | |
1543 | goto end; | |
1544 | } | |
1545 | ||
1546 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1547 | for (i = 0; i < sequence->elements->len; i++) { | |
1548 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1549 | ||
1550 | if (!member) { | |
1551 | /* | |
1552 | * Sequence elements are lazily initialized; skip if | |
1553 | * this member has not been allocated yet. | |
1554 | */ | |
1555 | continue; | |
1556 | } | |
1557 | ||
1558 | ret = bt_ctf_field_reset(member); | |
1559 | if (ret) { | |
1560 | goto end; | |
1561 | } | |
1562 | } | |
1563 | end: | |
1564 | return ret; | |
1565 | } | |
1566 | ||
1567 | static | |
1568 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1569 | { | |
1570 | int ret = 0; | |
1571 | struct bt_ctf_field_string *string; | |
1572 | ||
1573 | if (!field) { | |
1574 | ret = -1; | |
1575 | goto end; | |
1576 | } | |
1577 | ||
1578 | ret = bt_ctf_field_generic_reset(field); | |
1579 | if (ret) { | |
1580 | goto end; | |
1581 | } | |
1582 | ||
1583 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1584 | if (string->payload) { | |
1585 | g_string_truncate(string->payload, 0); | |
1586 | } | |
1587 | end: | |
1588 | return ret; | |
1589 | } | |
1590 | ||
273b65be JG |
1591 | static |
1592 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1593 | struct ctf_stream_pos *pos) | |
1594 | { | |
1595 | int ret = 0; | |
1596 | struct bt_ctf_field_integer *integer = container_of(field, | |
1597 | struct bt_ctf_field_integer, parent); | |
1598 | ||
1599 | retry: | |
1600 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1601 | if (ret == -EFAULT) { | |
1602 | /* | |
1603 | * The field is too large to fit in the current packet's | |
1604 | * remaining space. Bump the packet size and retry. | |
1605 | */ | |
1606 | ret = increase_packet_size(pos); | |
1607 | if (ret) { | |
1608 | goto end; | |
1609 | } | |
1610 | goto retry; | |
1611 | } | |
1612 | end: | |
1613 | return ret; | |
1614 | } | |
1615 | ||
1616 | static | |
1617 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1618 | struct ctf_stream_pos *pos) | |
1619 | { | |
1620 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1621 | field, struct bt_ctf_field_enumeration, parent); | |
1622 | ||
1623 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1624 | } | |
1625 | ||
1626 | static | |
1627 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1628 | struct ctf_stream_pos *pos) | |
1629 | { | |
1630 | int ret = 0; | |
1631 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1632 | struct bt_ctf_field_floating_point, parent); | |
1633 | ||
1634 | retry: | |
1635 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1636 | if (ret == -EFAULT) { | |
1637 | /* | |
1638 | * The field is too large to fit in the current packet's | |
1639 | * remaining space. Bump the packet size and retry. | |
1640 | */ | |
1641 | ret = increase_packet_size(pos); | |
1642 | if (ret) { | |
1643 | goto end; | |
1644 | } | |
1645 | goto retry; | |
1646 | } | |
1647 | end: | |
1648 | return ret; | |
1649 | } | |
1650 | ||
1651 | static | |
1652 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1653 | struct ctf_stream_pos *pos) | |
1654 | { | |
1655 | size_t i; | |
1656 | int ret = 0; | |
1657 | struct bt_ctf_field_structure *structure = container_of( | |
1658 | field, struct bt_ctf_field_structure, parent); | |
1659 | ||
1660 | while (!ctf_pos_access_ok(pos, | |
1661 | offset_align(pos->offset, | |
1662 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1663 | ret = increase_packet_size(pos); |
1664 | if (ret) { | |
1665 | goto end; | |
1666 | } | |
273b65be JG |
1667 | } |
1668 | ||
70fd5a51 MD |
1669 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1670 | ret = -1; | |
1671 | goto end; | |
1672 | } | |
273b65be JG |
1673 | |
1674 | for (i = 0; i < structure->fields->len; i++) { | |
1675 | struct bt_ctf_field *field = g_ptr_array_index( | |
1676 | structure->fields, i); | |
1677 | ||
1678 | ret = bt_ctf_field_serialize(field, pos); | |
1679 | if (ret) { | |
1680 | break; | |
1681 | } | |
1682 | } | |
9f56e450 | 1683 | end: |
273b65be JG |
1684 | return ret; |
1685 | } | |
1686 | ||
1687 | static | |
1688 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1689 | struct ctf_stream_pos *pos) | |
1690 | { | |
1691 | struct bt_ctf_field_variant *variant = container_of( | |
1692 | field, struct bt_ctf_field_variant, parent); | |
1693 | ||
1694 | return bt_ctf_field_serialize(variant->payload, pos); | |
1695 | } | |
1696 | ||
1697 | static | |
1698 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1699 | struct ctf_stream_pos *pos) | |
1700 | { | |
1701 | size_t i; | |
1702 | int ret = 0; | |
1703 | struct bt_ctf_field_array *array = container_of( | |
1704 | field, struct bt_ctf_field_array, parent); | |
1705 | ||
1706 | for (i = 0; i < array->elements->len; i++) { | |
1707 | ret = bt_ctf_field_serialize( | |
1708 | g_ptr_array_index(array->elements, i), pos); | |
1709 | if (ret) { | |
1710 | goto end; | |
1711 | } | |
1712 | } | |
1713 | end: | |
1714 | return ret; | |
1715 | } | |
1716 | ||
1717 | static | |
1718 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1719 | struct ctf_stream_pos *pos) | |
1720 | { | |
1721 | size_t i; | |
1722 | int ret = 0; | |
1723 | struct bt_ctf_field_sequence *sequence = container_of( | |
1724 | field, struct bt_ctf_field_sequence, parent); | |
1725 | ||
1726 | for (i = 0; i < sequence->elements->len; i++) { | |
1727 | ret = bt_ctf_field_serialize( | |
1728 | g_ptr_array_index(sequence->elements, i), pos); | |
1729 | if (ret) { | |
1730 | goto end; | |
1731 | } | |
1732 | } | |
1733 | end: | |
1734 | return ret; | |
1735 | } | |
1736 | ||
1737 | static | |
1738 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1739 | struct ctf_stream_pos *pos) | |
1740 | { | |
1741 | size_t i; | |
1742 | int ret = 0; | |
1743 | struct bt_ctf_field_string *string = container_of(field, | |
1744 | struct bt_ctf_field_string, parent); | |
1745 | struct bt_ctf_field_type *character_type = | |
1746 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1747 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1748 | ||
1749 | for (i = 0; i < string->payload->len + 1; i++) { | |
1750 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1751 | (uint64_t) string->payload->str[i]); | |
1752 | if (ret) { | |
1753 | goto end; | |
1754 | } | |
1755 | ||
1756 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1757 | if (ret) { | |
1758 | goto end; | |
1759 | } | |
1760 | } | |
1761 | end: | |
1762 | bt_ctf_field_put(character); | |
1763 | bt_ctf_field_type_put(character_type); | |
1764 | return ret; | |
1765 | } | |
1766 | ||
87d43dc1 JG |
1767 | static |
1768 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
1769 | struct bt_ctf_field *dst) | |
1770 | { | |
1771 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
1772 | ||
1773 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 1774 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
1775 | |
1776 | memcpy(&integer_dst->definition, &integer_src->definition, | |
1777 | sizeof(struct definition_integer)); | |
1778 | return 0; | |
1779 | } | |
1780 | ||
1781 | static | |
1782 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
1783 | struct bt_ctf_field *dst) | |
1784 | { | |
1785 | int ret = 0; | |
1786 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
1787 | ||
1788 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
1789 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
1790 | ||
1791 | if (enum_src->payload) { | |
1792 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
1793 | if (!enum_dst->payload) { | |
1794 | ret = -1; | |
1795 | goto end; | |
1796 | } | |
1797 | } | |
1798 | end: | |
1799 | return ret; | |
1800 | } | |
1801 | ||
1802 | static | |
1803 | int bt_ctf_field_floating_point_copy( | |
1804 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
1805 | { | |
1806 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
1807 | ||
1808 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
1809 | parent); | |
1810 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
1811 | parent); | |
1812 | ||
1813 | memcpy(&float_dst->definition, &float_src->definition, | |
1814 | sizeof(struct definition_float)); | |
1815 | memcpy(&float_dst->sign, &float_src->sign, | |
1816 | sizeof(struct definition_integer)); | |
1817 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
1818 | sizeof(struct definition_integer)); | |
1819 | memcpy(&float_dst->exp, &float_src->exp, | |
1820 | sizeof(struct definition_integer)); | |
1821 | return 0; | |
1822 | } | |
1823 | ||
1824 | static | |
1825 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
1826 | struct bt_ctf_field *dst) | |
1827 | { | |
8bfa3f9c | 1828 | int ret = 0, i; |
87d43dc1 JG |
1829 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
1830 | ||
1831 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
1832 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
1833 | ||
8bfa3f9c | 1834 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 1835 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 1836 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
1837 | |
1838 | for (i = 0; i < struct_src->fields->len; i++) { | |
1839 | struct bt_ctf_field *field_copy = bt_ctf_field_copy( | |
1840 | g_ptr_array_index(struct_src->fields, i)); | |
1841 | ||
1842 | if (!field_copy) { | |
1843 | ret = -1; | |
1844 | goto end; | |
1845 | } | |
8bfa3f9c | 1846 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
1847 | } |
1848 | end: | |
1849 | return ret; | |
1850 | } | |
1851 | ||
1852 | static | |
1853 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
1854 | struct bt_ctf_field *dst) | |
1855 | { | |
1856 | int ret = 0; | |
1857 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
1858 | ||
1859 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
1860 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
1861 | ||
1862 | if (variant_src->tag) { | |
1863 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
1864 | if (!variant_dst->tag) { | |
1865 | ret = -1; | |
1866 | goto end; | |
1867 | } | |
1868 | } | |
1869 | if (variant_src->payload) { | |
1870 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
1871 | if (!variant_dst->payload) { | |
1872 | ret = -1; | |
1873 | goto end; | |
1874 | } | |
1875 | } | |
1876 | end: | |
1877 | return ret; | |
1878 | } | |
1879 | ||
1880 | static | |
1881 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
1882 | struct bt_ctf_field *dst) | |
1883 | { | |
1884 | int ret = 0, i; | |
1885 | struct bt_ctf_field_array *array_src, *array_dst; | |
1886 | ||
1887 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
1888 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
1889 | ||
8bfa3f9c | 1890 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 JG |
1891 | for (i = 0; i < array_src->elements->len; i++) { |
1892 | struct bt_ctf_field *field_copy = bt_ctf_field_copy( | |
1893 | g_ptr_array_index(array_src->elements, i)); | |
1894 | ||
1895 | if (!field_copy) { | |
1896 | ret = -1; | |
1897 | goto end; | |
1898 | } | |
8bfa3f9c | 1899 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
1900 | } |
1901 | end: | |
1902 | return ret; | |
1903 | } | |
1904 | ||
1905 | static | |
1906 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
1907 | struct bt_ctf_field *dst) | |
1908 | { | |
1909 | int ret = 0, i; | |
1910 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
1911 | ||
1912 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
1913 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
1914 | ||
8bfa3f9c | 1915 | g_ptr_array_set_size(sequence_dst->elements, |
87d43dc1 JG |
1916 | sequence_src->elements->len); |
1917 | for (i = 0; i < sequence_src->elements->len; i++) { | |
1918 | struct bt_ctf_field *field_copy = bt_ctf_field_copy( | |
1919 | g_ptr_array_index(sequence_src->elements, i)); | |
1920 | ||
1921 | if (!field_copy) { | |
1922 | ret = -1; | |
1923 | goto end; | |
1924 | } | |
8bfa3f9c | 1925 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
1926 | } |
1927 | end: | |
1928 | return ret; | |
1929 | } | |
1930 | ||
1931 | static | |
1932 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
1933 | struct bt_ctf_field *dst) | |
1934 | { | |
1935 | int ret = 0; | |
1936 | struct bt_ctf_field_string *string_src, *string_dst; | |
1937 | ||
1938 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
1939 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
1940 | ||
1941 | if (string_src->payload) { | |
1942 | string_dst->payload = g_string_new(string_src->payload->str); | |
1943 | if (!string_dst->payload) { | |
1944 | ret = -1; | |
1945 | goto end; | |
1946 | } | |
1947 | } | |
1948 | end: | |
1949 | return ret; | |
1950 | } | |
1951 | ||
273b65be JG |
1952 | static |
1953 | int increase_packet_size(struct ctf_stream_pos *pos) | |
1954 | { | |
1955 | int ret; | |
1956 | ||
1957 | assert(pos); | |
1958 | ret = munmap_align(pos->base_mma); | |
1959 | if (ret) { | |
1960 | goto end; | |
1961 | } | |
1962 | ||
1963 | pos->packet_size += PACKET_LEN_INCREMENT; | |
1964 | ret = posix_fallocate(pos->fd, pos->mmap_offset, | |
1965 | pos->packet_size / CHAR_BIT); | |
1966 | if (ret) { | |
1967 | goto end; | |
1968 | } | |
1969 | ||
1970 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
1971 | pos->flags, pos->fd, pos->mmap_offset); | |
1972 | if (pos->base_mma == MAP_FAILED) { | |
1973 | ret = -1; | |
1974 | } | |
1975 | end: | |
1976 | return ret; | |
1977 | } |