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); | |
273b65be JG |
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 | } | |
92c8b4f9 PP |
532 | if (new_field) { |
533 | bt_ctf_field_get(new_field); | |
534 | } | |
273b65be JG |
535 | return new_field; |
536 | } | |
537 | ||
538 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
539 | uint64_t index) | |
540 | { | |
541 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 542 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 543 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
544 | |
545 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
546 | CTF_TYPE_SEQUENCE) { | |
547 | goto end; | |
548 | } | |
549 | ||
550 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
551 | if (!sequence->elements || sequence->elements->len <= index) { | |
552 | goto end; | |
553 | } | |
554 | ||
b92ddaaa | 555 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
273b65be JG |
556 | if (sequence->elements->pdata[(size_t)index]) { |
557 | new_field = sequence->elements->pdata[(size_t)index]; | |
558 | goto end; | |
559 | } | |
560 | ||
561 | new_field = bt_ctf_field_create(field_type); | |
273b65be JG |
562 | sequence->elements->pdata[(size_t)index] = new_field; |
563 | end: | |
b92ddaaa JG |
564 | if (field_type) { |
565 | bt_ctf_field_type_put(field_type); | |
566 | } | |
92c8b4f9 PP |
567 | if (new_field) { |
568 | bt_ctf_field_get(new_field); | |
569 | } | |
273b65be JG |
570 | return new_field; |
571 | } | |
572 | ||
573 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
574 | struct bt_ctf_field *tag_field) | |
575 | { | |
576 | struct bt_ctf_field *new_field = NULL; | |
577 | struct bt_ctf_field_variant *variant; | |
578 | struct bt_ctf_field_type_variant *variant_type; | |
579 | struct bt_ctf_field_type *field_type; | |
580 | struct bt_ctf_field *tag_enum = NULL; | |
581 | struct bt_ctf_field_integer *tag_enum_integer; | |
582 | int64_t tag_enum_value; | |
583 | ||
584 | if (!field || !tag_field || | |
585 | bt_ctf_field_type_get_type_id(field->type) != | |
586 | CTF_TYPE_VARIANT || | |
587 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
588 | CTF_TYPE_ENUM) { | |
589 | goto end; | |
590 | } | |
591 | ||
592 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
593 | variant_type = container_of(field->type, | |
594 | struct bt_ctf_field_type_variant, parent); | |
595 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
596 | if (!tag_enum) { | |
597 | goto end; | |
598 | } | |
599 | ||
600 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
601 | parent); | |
602 | ||
2c661a4d | 603 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
604 | goto end; |
605 | } | |
606 | ||
607 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
2829190c PP |
608 | |
609 | /* | |
610 | * If the variant currently has a tag and a payload, and if the | |
611 | * requested tag value is the same as the current one, return | |
612 | * the current payload instead of creating a fresh one. | |
613 | */ | |
614 | if (variant->tag && variant->payload) { | |
615 | struct bt_ctf_field *cur_tag_container = NULL; | |
616 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
617 | int64_t cur_tag_value; | |
618 | ||
619 | cur_tag_container = | |
620 | bt_ctf_field_enumeration_get_container(variant->tag); | |
621 | cur_tag_enum_integer = container_of(cur_tag_container, | |
622 | struct bt_ctf_field_integer, parent); | |
623 | bt_ctf_field_put(cur_tag_container); | |
624 | cur_tag_value = cur_tag_enum_integer->definition.value._signed; | |
625 | ||
626 | if (cur_tag_value == tag_enum_value) { | |
627 | new_field = variant->payload; | |
628 | bt_ctf_field_get(new_field); | |
629 | goto end; | |
630 | } | |
631 | } | |
632 | ||
b92ddaaa JG |
633 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
634 | variant_type, tag_enum_value); | |
273b65be JG |
635 | if (!field_type) { |
636 | goto end; | |
637 | } | |
638 | ||
639 | new_field = bt_ctf_field_create(field_type); | |
640 | if (!new_field) { | |
641 | goto end; | |
642 | } | |
643 | ||
644 | bt_ctf_field_put(variant->tag); | |
645 | bt_ctf_field_put(variant->payload); | |
646 | bt_ctf_field_get(new_field); | |
647 | bt_ctf_field_get(tag_field); | |
648 | variant->tag = tag_field; | |
649 | variant->payload = new_field; | |
650 | end: | |
651 | bt_ctf_field_put(tag_enum); | |
652 | return new_field; | |
653 | } | |
654 | ||
3f4a108d PP |
655 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
656 | struct bt_ctf_field *variant_field) | |
657 | { | |
658 | struct bt_ctf_field *current_field = NULL; | |
659 | struct bt_ctf_field_variant *variant; | |
660 | ||
661 | if (!variant_field || | |
662 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
663 | CTF_TYPE_VARIANT) { | |
664 | goto end; | |
665 | } | |
666 | ||
667 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
668 | parent); | |
669 | ||
670 | if (variant->payload) { | |
671 | current_field = variant->payload; | |
672 | bt_ctf_field_get(current_field); | |
673 | goto end; | |
674 | } | |
675 | ||
676 | end: | |
677 | return current_field; | |
678 | } | |
679 | ||
273b65be JG |
680 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
681 | struct bt_ctf_field *field) | |
682 | { | |
683 | struct bt_ctf_field *container = NULL; | |
684 | struct bt_ctf_field_enumeration *enumeration; | |
685 | ||
b92ddaaa JG |
686 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
687 | CTF_TYPE_ENUM) { | |
273b65be JG |
688 | goto end; |
689 | } | |
690 | ||
691 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
692 | parent); | |
693 | if (!enumeration->payload) { | |
694 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
695 | container_of(field->type, | |
696 | struct bt_ctf_field_type_enumeration, parent); | |
697 | enumeration->payload = | |
698 | bt_ctf_field_create(enumeration_type->container); | |
699 | } | |
700 | ||
701 | container = enumeration->payload; | |
702 | bt_ctf_field_get(container); | |
703 | end: | |
704 | return container; | |
705 | } | |
706 | ||
cd95e351 JG |
707 | const char *bt_ctf_field_enumeration_get_mapping_name( |
708 | struct bt_ctf_field *field) | |
709 | { | |
710 | int ret; | |
711 | const char *name = NULL; | |
712 | struct bt_ctf_field *container = NULL; | |
713 | struct bt_ctf_field_type *container_type = NULL; | |
714 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
715 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
716 | ||
717 | container = bt_ctf_field_enumeration_get_container(field); | |
718 | if (!container) { | |
719 | goto end; | |
720 | } | |
721 | ||
722 | container_type = bt_ctf_field_get_type(container); | |
723 | if (!container_type) { | |
724 | goto error_put_container; | |
725 | } | |
726 | ||
727 | integer_type = container_of(container_type, | |
728 | struct bt_ctf_field_type_integer, parent); | |
729 | enumeration_type = container_of(field->type, | |
730 | struct bt_ctf_field_type_enumeration, parent); | |
731 | ||
10817e06 | 732 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
733 | uint64_t value; |
734 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
735 | &value); | |
736 | if (ret) { | |
737 | goto error_put_container_type; | |
738 | } | |
739 | ||
740 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
741 | enumeration_type, value); | |
742 | } else { | |
743 | int64_t value; | |
744 | ret = bt_ctf_field_signed_integer_get_value(container, | |
745 | &value); | |
746 | if (ret) { | |
747 | goto error_put_container_type; | |
748 | } | |
749 | ||
750 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
751 | enumeration_type, value); | |
752 | } | |
753 | ||
754 | error_put_container_type: | |
755 | bt_ctf_field_type_put(container_type); | |
756 | error_put_container: | |
757 | bt_ctf_field_put(container); | |
758 | end: | |
759 | return name; | |
760 | } | |
761 | ||
762 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
763 | int64_t *value) | |
764 | { | |
765 | int ret = 0; | |
766 | struct bt_ctf_field_integer *integer; | |
767 | struct bt_ctf_field_type_integer *integer_type; | |
768 | ||
769 | if (!field || !value || !field->payload_set || | |
770 | bt_ctf_field_type_get_type_id(field->type) != | |
771 | CTF_TYPE_INTEGER) { | |
772 | ret = -1; | |
773 | goto end; | |
774 | } | |
775 | ||
776 | integer_type = container_of(field->type, | |
777 | struct bt_ctf_field_type_integer, parent); | |
778 | if (!integer_type->declaration.signedness) { | |
779 | ret = -1; | |
780 | goto end; | |
781 | } | |
782 | ||
783 | integer = container_of(field, | |
784 | struct bt_ctf_field_integer, parent); | |
785 | *value = integer->definition.value._signed; | |
786 | end: | |
787 | return ret; | |
788 | } | |
789 | ||
273b65be JG |
790 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
791 | int64_t value) | |
792 | { | |
793 | int ret = 0; | |
794 | struct bt_ctf_field_integer *integer; | |
795 | struct bt_ctf_field_type_integer *integer_type; | |
796 | unsigned int size; | |
797 | int64_t min_value, max_value; | |
798 | ||
799 | if (!field || | |
800 | bt_ctf_field_type_get_type_id(field->type) != | |
801 | CTF_TYPE_INTEGER) { | |
802 | ret = -1; | |
803 | goto end; | |
804 | } | |
805 | ||
806 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
807 | integer_type = container_of(field->type, | |
808 | struct bt_ctf_field_type_integer, parent); | |
809 | if (!integer_type->declaration.signedness) { | |
810 | ret = -1; | |
811 | goto end; | |
812 | } | |
813 | ||
814 | size = integer_type->declaration.len; | |
815 | min_value = -((int64_t)1 << (size - 1)); | |
816 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
817 | if (value < min_value || value > max_value) { | |
818 | ret = -1; | |
819 | goto end; | |
820 | } | |
821 | ||
822 | integer->definition.value._signed = value; | |
823 | integer->parent.payload_set = 1; | |
824 | end: | |
825 | return ret; | |
826 | } | |
827 | ||
cd95e351 JG |
828 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
829 | uint64_t *value) | |
830 | { | |
831 | int ret = 0; | |
832 | struct bt_ctf_field_integer *integer; | |
833 | struct bt_ctf_field_type_integer *integer_type; | |
834 | ||
835 | if (!field || !value || !field->payload_set || | |
836 | bt_ctf_field_type_get_type_id(field->type) != | |
837 | CTF_TYPE_INTEGER) { | |
838 | ret = -1; | |
839 | goto end; | |
840 | } | |
841 | ||
842 | integer_type = container_of(field->type, | |
843 | struct bt_ctf_field_type_integer, parent); | |
844 | if (integer_type->declaration.signedness) { | |
845 | ret = -1; | |
846 | goto end; | |
847 | } | |
848 | ||
849 | integer = container_of(field, | |
850 | struct bt_ctf_field_integer, parent); | |
851 | *value = integer->definition.value._unsigned; | |
852 | end: | |
853 | return ret; | |
854 | } | |
855 | ||
273b65be JG |
856 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
857 | uint64_t value) | |
858 | { | |
859 | int ret = 0; | |
860 | struct bt_ctf_field_integer *integer; | |
861 | struct bt_ctf_field_type_integer *integer_type; | |
862 | unsigned int size; | |
863 | uint64_t max_value; | |
864 | ||
865 | if (!field || | |
866 | bt_ctf_field_type_get_type_id(field->type) != | |
867 | CTF_TYPE_INTEGER) { | |
868 | ret = -1; | |
869 | goto end; | |
870 | } | |
871 | ||
872 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
873 | integer_type = container_of(field->type, | |
874 | struct bt_ctf_field_type_integer, parent); | |
875 | if (integer_type->declaration.signedness) { | |
876 | ret = -1; | |
877 | goto end; | |
878 | } | |
879 | ||
880 | size = integer_type->declaration.len; | |
881 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
882 | if (value > max_value) { | |
883 | ret = -1; | |
884 | goto end; | |
885 | } | |
886 | ||
887 | integer->definition.value._unsigned = value; | |
888 | integer->parent.payload_set = 1; | |
889 | end: | |
890 | return ret; | |
891 | } | |
892 | ||
cd95e351 JG |
893 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
894 | double *value) | |
895 | { | |
896 | int ret = 0; | |
897 | struct bt_ctf_field_floating_point *floating_point; | |
898 | ||
899 | if (!field || !value || !field->payload_set || | |
900 | bt_ctf_field_type_get_type_id(field->type) != | |
901 | CTF_TYPE_FLOAT) { | |
902 | ret = -1; | |
903 | goto end; | |
904 | } | |
905 | ||
906 | floating_point = container_of(field, | |
907 | struct bt_ctf_field_floating_point, parent); | |
908 | *value = floating_point->definition.value; | |
909 | end: | |
910 | return ret; | |
911 | } | |
912 | ||
273b65be JG |
913 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
914 | double value) | |
915 | { | |
916 | int ret = 0; | |
917 | struct bt_ctf_field_floating_point *floating_point; | |
918 | ||
919 | if (!field || | |
920 | bt_ctf_field_type_get_type_id(field->type) != | |
921 | CTF_TYPE_FLOAT) { | |
922 | ret = -1; | |
923 | goto end; | |
924 | } | |
925 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
926 | parent); | |
927 | floating_point->definition.value = value; | |
928 | floating_point->parent.payload_set = 1; | |
929 | end: | |
930 | return ret; | |
931 | } | |
932 | ||
cd95e351 JG |
933 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
934 | { | |
935 | const char *ret = NULL; | |
936 | struct bt_ctf_field_string *string; | |
937 | ||
938 | if (!field || !field->payload_set || | |
939 | bt_ctf_field_type_get_type_id(field->type) != | |
940 | CTF_TYPE_STRING) { | |
941 | goto end; | |
942 | } | |
943 | ||
944 | string = container_of(field, | |
945 | struct bt_ctf_field_string, parent); | |
946 | ret = string->payload->str; | |
947 | end: | |
948 | return ret; | |
949 | } | |
950 | ||
273b65be JG |
951 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
952 | const char *value) | |
953 | { | |
954 | int ret = 0; | |
955 | struct bt_ctf_field_string *string; | |
956 | ||
957 | if (!field || !value || | |
958 | bt_ctf_field_type_get_type_id(field->type) != | |
959 | CTF_TYPE_STRING) { | |
960 | ret = -1; | |
961 | goto end; | |
962 | } | |
963 | ||
964 | string = container_of(field, struct bt_ctf_field_string, parent); | |
965 | if (string->payload) { | |
97736814 JG |
966 | g_string_assign(string->payload, value); |
967 | } else { | |
968 | string->payload = g_string_new(value); | |
273b65be JG |
969 | } |
970 | ||
273b65be JG |
971 | string->parent.payload_set = 1; |
972 | end: | |
973 | return ret; | |
974 | } | |
975 | ||
c6f9c5a3 PP |
976 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
977 | const char *value) | |
978 | { | |
979 | int ret = 0; | |
980 | struct bt_ctf_field_string *string_field; | |
981 | ||
982 | if (!field || !value || | |
983 | bt_ctf_field_type_get_type_id(field->type) != | |
984 | CTF_TYPE_STRING) { | |
985 | ret = -1; | |
986 | goto end; | |
987 | } | |
988 | ||
989 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
990 | ||
991 | if (string_field->payload) { | |
992 | g_string_append(string_field->payload, value); | |
993 | } else { | |
994 | string_field->payload = g_string_new(value); | |
995 | } | |
996 | ||
997 | string_field->parent.payload_set = 1; | |
998 | ||
999 | end: | |
1000 | return ret; | |
1001 | } | |
1002 | ||
f98c6554 PP |
1003 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1004 | const char *value, unsigned int length) | |
1005 | { | |
1006 | int i; | |
1007 | int ret = 0; | |
1008 | unsigned int effective_length = length; | |
1009 | struct bt_ctf_field_string *string_field; | |
1010 | ||
1011 | if (!field || !value || | |
1012 | bt_ctf_field_type_get_type_id(field->type) != | |
1013 | CTF_TYPE_STRING) { | |
1014 | ret = -1; | |
1015 | goto end; | |
1016 | } | |
1017 | ||
1018 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1019 | ||
1020 | /* make sure no null bytes are appended */ | |
1021 | for (i = 0; i < length; ++i) { | |
1022 | if (value[i] == '\0') { | |
1023 | effective_length = i; | |
1024 | break; | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | if (string_field->payload) { | |
ce6d5230 | 1029 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1030 | effective_length); |
1031 | } else { | |
1032 | string_field->payload = g_string_new_len(value, | |
1033 | effective_length); | |
1034 | } | |
1035 | ||
1036 | string_field->parent.payload_set = 1; | |
1037 | ||
1038 | end: | |
1039 | return ret; | |
1040 | } | |
1041 | ||
273b65be JG |
1042 | BT_HIDDEN |
1043 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1044 | { | |
1045 | int ret = 0; | |
1046 | enum ctf_type_id type_id; | |
1047 | ||
1048 | if (!field) { | |
1049 | ret = -1; | |
1050 | goto end; | |
1051 | } | |
1052 | ||
1053 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1054 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1055 | ret = -1; | |
1056 | goto end; | |
1057 | } | |
1058 | ||
1059 | ret = field_validate_funcs[type_id](field); | |
1060 | end: | |
1061 | return ret; | |
1062 | } | |
1063 | ||
12c8a1a3 JG |
1064 | BT_HIDDEN |
1065 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1066 | { | |
1067 | int ret = 0; | |
1068 | enum ctf_type_id type_id; | |
1069 | ||
1070 | if (!field) { | |
1071 | ret = -1; | |
1072 | goto end; | |
1073 | } | |
1074 | ||
1075 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1076 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1077 | ret = -1; | |
1078 | goto end; | |
1079 | } | |
1080 | ||
1081 | ret = field_reset_funcs[type_id](field); | |
1082 | end: | |
1083 | return ret; | |
1084 | } | |
1085 | ||
273b65be JG |
1086 | BT_HIDDEN |
1087 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
1088 | struct ctf_stream_pos *pos) | |
1089 | { | |
1090 | int ret = 0; | |
1091 | enum ctf_type_id type_id; | |
1092 | ||
1093 | if (!field || !pos) { | |
1094 | ret = -1; | |
1095 | goto end; | |
1096 | } | |
1097 | ||
1098 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1099 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1100 | ret = -1; | |
1101 | goto end; | |
1102 | } | |
1103 | ||
1104 | ret = field_serialize_funcs[type_id](field, pos); | |
1105 | end: | |
1106 | return ret; | |
1107 | } | |
1108 | ||
87d43dc1 JG |
1109 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1110 | { | |
1111 | int ret; | |
1112 | struct bt_ctf_field *copy = NULL; | |
1113 | enum ctf_type_id type_id; | |
1114 | ||
1115 | if (!field) { | |
87d43dc1 JG |
1116 | goto end; |
1117 | } | |
1118 | ||
1119 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1120 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
87d43dc1 JG |
1121 | goto end; |
1122 | } | |
1123 | ||
1124 | copy = bt_ctf_field_create(field->type); | |
1125 | if (!copy) { | |
1126 | goto end; | |
1127 | } | |
1128 | ||
70996764 | 1129 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1130 | ret = field_copy_funcs[type_id](field, copy); |
1131 | if (ret) { | |
1132 | bt_ctf_field_put(copy); | |
1133 | copy = NULL; | |
1134 | } | |
1135 | end: | |
1136 | return copy; | |
1137 | } | |
1138 | ||
273b65be JG |
1139 | static |
1140 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1141 | { | |
1142 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1143 | struct bt_ctf_field_type_integer, parent); | |
1144 | struct bt_ctf_field_integer *integer = g_new0( | |
1145 | struct bt_ctf_field_integer, 1); | |
1146 | ||
1147 | if (integer) { | |
1148 | integer->definition.declaration = &integer_type->declaration; | |
1149 | } | |
1150 | ||
1151 | return integer ? &integer->parent : NULL; | |
1152 | } | |
1153 | ||
1154 | static | |
1155 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1156 | struct bt_ctf_field_type *type) | |
1157 | { | |
1158 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1159 | struct bt_ctf_field_enumeration, 1); | |
1160 | ||
1161 | return enumeration ? &enumeration->parent : NULL; | |
1162 | } | |
1163 | ||
1164 | static | |
1165 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1166 | struct bt_ctf_field_type *type) | |
1167 | { | |
1168 | struct bt_ctf_field_floating_point *floating_point; | |
1169 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1170 | ||
1171 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1172 | if (!floating_point) { | |
1173 | goto end; | |
1174 | } | |
1175 | ||
1176 | floating_point_type = container_of(type, | |
1177 | struct bt_ctf_field_type_floating_point, parent); | |
1178 | floating_point->definition.declaration = container_of( | |
1179 | type->declaration, struct declaration_float, p); | |
1180 | ||
1181 | ||
1182 | floating_point->definition.sign = &floating_point->sign; | |
1183 | floating_point->sign.declaration = &floating_point_type->sign; | |
1184 | floating_point->definition.sign->p.declaration = | |
1185 | &floating_point_type->sign.p; | |
1186 | ||
1187 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1188 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1189 | floating_point->definition.mantissa->p.declaration = | |
1190 | &floating_point_type->mantissa.p; | |
1191 | ||
1192 | floating_point->definition.exp = &floating_point->exp; | |
1193 | floating_point->exp.declaration = &floating_point_type->exp; | |
1194 | floating_point->definition.exp->p.declaration = | |
1195 | &floating_point_type->exp.p; | |
1196 | ||
1197 | end: | |
1198 | return floating_point ? &floating_point->parent : NULL; | |
1199 | } | |
1200 | ||
1201 | static | |
1202 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1203 | struct bt_ctf_field_type *type) | |
1204 | { | |
1205 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1206 | struct bt_ctf_field_type_structure, parent); | |
1207 | struct bt_ctf_field_structure *structure = g_new0( | |
1208 | struct bt_ctf_field_structure, 1); | |
1209 | struct bt_ctf_field *field = NULL; | |
1210 | ||
1211 | if (!structure || !structure_type->fields->len) { | |
1212 | goto end; | |
1213 | } | |
1214 | ||
1215 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1216 | structure->fields = g_ptr_array_new_with_free_func( | |
1217 | (GDestroyNotify)bt_ctf_field_put); | |
1218 | g_ptr_array_set_size(structure->fields, | |
1219 | g_hash_table_size(structure->field_name_to_index)); | |
1220 | field = &structure->parent; | |
1221 | end: | |
1222 | return field; | |
1223 | } | |
1224 | ||
1225 | static | |
1226 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1227 | { | |
1228 | struct bt_ctf_field_variant *variant = g_new0( | |
1229 | struct bt_ctf_field_variant, 1); | |
1230 | return variant ? &variant->parent : NULL; | |
1231 | } | |
1232 | ||
1233 | static | |
1234 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1235 | { | |
1236 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1237 | struct bt_ctf_field_type_array *array_type; | |
1238 | unsigned int array_length; | |
1239 | ||
1240 | if (!array || !type) { | |
1241 | goto error; | |
1242 | } | |
1243 | ||
1244 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1245 | array_length = array_type->length; | |
fe0fe95c | 1246 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1247 | if (!array->elements) { |
1248 | goto error; | |
1249 | } | |
1250 | ||
fe0fe95c JG |
1251 | g_ptr_array_set_free_func(array->elements, |
1252 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1253 | g_ptr_array_set_size(array->elements, array_length); |
1254 | return &array->parent; | |
1255 | error: | |
1256 | g_free(array); | |
1257 | return NULL; | |
1258 | } | |
1259 | ||
1260 | static | |
1261 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1262 | struct bt_ctf_field_type *type) | |
1263 | { | |
1264 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1265 | struct bt_ctf_field_sequence, 1); | |
1266 | return sequence ? &sequence->parent : NULL; | |
1267 | } | |
1268 | ||
1269 | static | |
1270 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1271 | { | |
1272 | struct bt_ctf_field_string *string = g_new0( | |
1273 | struct bt_ctf_field_string, 1); | |
1274 | return string ? &string->parent : NULL; | |
1275 | } | |
1276 | ||
1277 | static | |
1278 | void bt_ctf_field_destroy(struct bt_ctf_ref *ref) | |
1279 | { | |
1280 | struct bt_ctf_field *field; | |
1281 | struct bt_ctf_field_type *type; | |
1282 | enum ctf_type_id type_id; | |
1283 | ||
1284 | if (!ref) { | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | field = container_of(ref, struct bt_ctf_field, ref_count); | |
1289 | type = field->type; | |
1290 | type_id = bt_ctf_field_type_get_type_id(type); | |
1291 | if (type_id <= CTF_TYPE_UNKNOWN || | |
1292 | type_id >= NR_CTF_TYPES) { | |
1293 | return; | |
1294 | } | |
1295 | ||
1296 | field_destroy_funcs[type_id](field); | |
1297 | if (type) { | |
1298 | bt_ctf_field_type_put(type); | |
1299 | } | |
1300 | } | |
1301 | ||
1302 | static | |
1303 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1304 | { | |
1305 | struct bt_ctf_field_integer *integer; | |
1306 | ||
1307 | if (!field) { | |
1308 | return; | |
1309 | } | |
1310 | ||
1311 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1312 | g_free(integer); | |
1313 | } | |
1314 | ||
1315 | static | |
1316 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1317 | { | |
1318 | struct bt_ctf_field_enumeration *enumeration; | |
1319 | ||
1320 | if (!field) { | |
1321 | return; | |
1322 | } | |
1323 | ||
1324 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1325 | parent); | |
1326 | bt_ctf_field_put(enumeration->payload); | |
1327 | g_free(enumeration); | |
1328 | } | |
1329 | ||
1330 | static | |
1331 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1332 | { | |
1333 | struct bt_ctf_field_floating_point *floating_point; | |
1334 | ||
1335 | if (!field) { | |
1336 | return; | |
1337 | } | |
1338 | ||
1339 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1340 | parent); | |
1341 | g_free(floating_point); | |
1342 | } | |
1343 | ||
1344 | static | |
1345 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1346 | { | |
1347 | struct bt_ctf_field_structure *structure; | |
1348 | ||
1349 | if (!field) { | |
1350 | return; | |
1351 | } | |
1352 | ||
1353 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1354 | g_ptr_array_free(structure->fields, TRUE); | |
1355 | g_free(structure); | |
1356 | } | |
1357 | ||
1358 | static | |
1359 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1360 | { | |
1361 | struct bt_ctf_field_variant *variant; | |
1362 | ||
1363 | if (!field) { | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1368 | bt_ctf_field_put(variant->tag); | |
1369 | bt_ctf_field_put(variant->payload); | |
1370 | g_free(variant); | |
1371 | } | |
1372 | ||
1373 | static | |
1374 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1375 | { | |
1376 | struct bt_ctf_field_array *array; | |
1377 | ||
1378 | if (!field) { | |
1379 | return; | |
1380 | } | |
1381 | ||
1382 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1383 | g_ptr_array_free(array->elements, TRUE); | |
1384 | g_free(array); | |
1385 | } | |
1386 | ||
1387 | static | |
1388 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1389 | { | |
1390 | struct bt_ctf_field_sequence *sequence; | |
1391 | ||
1392 | if (!field) { | |
1393 | return; | |
1394 | } | |
1395 | ||
1396 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1397 | if (sequence->elements) { |
1398 | g_ptr_array_free(sequence->elements, TRUE); | |
1399 | } | |
273b65be JG |
1400 | bt_ctf_field_put(sequence->length); |
1401 | g_free(sequence); | |
1402 | } | |
1403 | ||
1404 | static | |
1405 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1406 | { | |
1407 | struct bt_ctf_field_string *string; | |
1408 | if (!field) { | |
1409 | return; | |
1410 | } | |
1411 | ||
1412 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1413 | if (string->payload) { |
1414 | g_string_free(string->payload, TRUE); | |
1415 | } | |
273b65be JG |
1416 | g_free(string); |
1417 | } | |
1418 | ||
1419 | static | |
1420 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1421 | { | |
da2f6971 | 1422 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1423 | } |
1424 | ||
1425 | static | |
1426 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1427 | { | |
1428 | int ret; | |
1429 | struct bt_ctf_field_enumeration *enumeration; | |
1430 | ||
1431 | if (!field) { | |
1432 | ret = -1; | |
1433 | goto end; | |
1434 | } | |
1435 | ||
1436 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1437 | parent); | |
1438 | if (!enumeration->payload) { | |
1439 | ret = -1; | |
1440 | goto end; | |
1441 | } | |
1442 | ||
1443 | ret = bt_ctf_field_validate(enumeration->payload); | |
1444 | end: | |
1445 | return ret; | |
1446 | } | |
1447 | ||
1448 | static | |
1449 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1450 | { | |
1451 | size_t i; | |
1452 | int ret = 0; | |
1453 | struct bt_ctf_field_structure *structure; | |
1454 | ||
1455 | if (!field) { | |
1456 | ret = -1; | |
1457 | goto end; | |
1458 | } | |
1459 | ||
1460 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1461 | for (i = 0; i < structure->fields->len; i++) { | |
1462 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1463 | if (ret) { | |
1464 | goto end; | |
1465 | } | |
1466 | } | |
1467 | end: | |
1468 | return ret; | |
1469 | } | |
1470 | ||
1471 | static | |
1472 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1473 | { | |
1474 | int ret = 0; | |
1475 | struct bt_ctf_field_variant *variant; | |
1476 | ||
1477 | if (!field) { | |
1478 | ret = -1; | |
1479 | goto end; | |
1480 | } | |
1481 | ||
1482 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1483 | ret = bt_ctf_field_validate(variant->payload); | |
1484 | end: | |
1485 | return ret; | |
1486 | } | |
1487 | ||
1488 | static | |
1489 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1490 | { | |
1491 | size_t i; | |
1492 | int ret = 0; | |
1493 | struct bt_ctf_field_array *array; | |
1494 | ||
1495 | if (!field) { | |
1496 | ret = -1; | |
1497 | goto end; | |
1498 | } | |
1499 | ||
1500 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1501 | for (i = 0; i < array->elements->len; i++) { | |
1502 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1503 | if (ret) { | |
1504 | goto end; | |
1505 | } | |
1506 | } | |
1507 | end: | |
1508 | return ret; | |
1509 | } | |
1510 | ||
1511 | static | |
1512 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1513 | { | |
1514 | size_t i; | |
1515 | int ret = 0; | |
1516 | struct bt_ctf_field_sequence *sequence; | |
1517 | ||
1518 | if (!field) { | |
1519 | ret = -1; | |
1520 | goto end; | |
1521 | } | |
1522 | ||
1523 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1524 | for (i = 0; i < sequence->elements->len; i++) { | |
1525 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1526 | if (ret) { | |
1527 | goto end; | |
1528 | } | |
1529 | } | |
1530 | end: | |
1531 | return ret; | |
1532 | } | |
1533 | ||
12c8a1a3 JG |
1534 | static |
1535 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1536 | { | |
1537 | int ret = 0; | |
1538 | ||
1539 | if (!field) { | |
1540 | ret = -1; | |
1541 | goto end; | |
1542 | } | |
1543 | ||
1544 | field->payload_set = 0; | |
1545 | end: | |
1546 | return ret; | |
1547 | } | |
1548 | ||
1549 | static | |
1550 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1551 | { | |
1552 | int ret = 0; | |
1553 | struct bt_ctf_field_enumeration *enumeration; | |
1554 | ||
1555 | if (!field) { | |
1556 | ret = -1; | |
1557 | goto end; | |
1558 | } | |
1559 | ||
1560 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1561 | parent); | |
1562 | if (!enumeration->payload) { | |
1563 | goto end; | |
1564 | } | |
1565 | ||
1566 | ret = bt_ctf_field_reset(enumeration->payload); | |
1567 | end: | |
1568 | return ret; | |
1569 | } | |
1570 | ||
1571 | static | |
1572 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1573 | { | |
1574 | size_t i; | |
1575 | int ret = 0; | |
1576 | struct bt_ctf_field_structure *structure; | |
1577 | ||
1578 | if (!field) { | |
1579 | ret = -1; | |
1580 | goto end; | |
1581 | } | |
1582 | ||
1583 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1584 | for (i = 0; i < structure->fields->len; i++) { | |
1585 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1586 | ||
1587 | if (!member) { | |
1588 | /* | |
1589 | * Structure members are lazily initialized; skip if | |
1590 | * this member has not been allocated yet. | |
1591 | */ | |
1592 | continue; | |
1593 | } | |
1594 | ||
1595 | ret = bt_ctf_field_reset(member); | |
1596 | if (ret) { | |
1597 | goto end; | |
1598 | } | |
1599 | } | |
1600 | end: | |
1601 | return ret; | |
1602 | } | |
1603 | ||
1604 | static | |
1605 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1606 | { | |
1607 | int ret = 0; | |
1608 | struct bt_ctf_field_variant *variant; | |
1609 | ||
1610 | if (!field) { | |
1611 | ret = -1; | |
1612 | goto end; | |
1613 | } | |
1614 | ||
1615 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1616 | if (variant->payload) { | |
1617 | ret = bt_ctf_field_reset(variant->payload); | |
1618 | } | |
1619 | end: | |
1620 | return ret; | |
1621 | } | |
1622 | ||
1623 | static | |
1624 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1625 | { | |
1626 | size_t i; | |
1627 | int ret = 0; | |
1628 | struct bt_ctf_field_array *array; | |
1629 | ||
1630 | if (!field) { | |
1631 | ret = -1; | |
1632 | goto end; | |
1633 | } | |
1634 | ||
1635 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1636 | for (i = 0; i < array->elements->len; i++) { | |
1637 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1638 | ||
1639 | if (!member) { | |
1640 | /* | |
1641 | * Array elements are lazily initialized; skip if | |
1642 | * this member has not been allocated yet. | |
1643 | */ | |
1644 | continue; | |
1645 | } | |
1646 | ||
1647 | ret = bt_ctf_field_reset(member); | |
1648 | if (ret) { | |
1649 | goto end; | |
1650 | } | |
1651 | } | |
1652 | end: | |
1653 | return ret; | |
1654 | } | |
1655 | ||
1656 | static | |
1657 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1658 | { | |
1659 | size_t i; | |
1660 | int ret = 0; | |
1661 | struct bt_ctf_field_sequence *sequence; | |
1662 | ||
1663 | if (!field) { | |
1664 | ret = -1; | |
1665 | goto end; | |
1666 | } | |
1667 | ||
1668 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1669 | for (i = 0; i < sequence->elements->len; i++) { | |
1670 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1671 | ||
1672 | if (!member) { | |
1673 | /* | |
1674 | * Sequence elements are lazily initialized; skip if | |
1675 | * this member has not been allocated yet. | |
1676 | */ | |
1677 | continue; | |
1678 | } | |
1679 | ||
1680 | ret = bt_ctf_field_reset(member); | |
1681 | if (ret) { | |
1682 | goto end; | |
1683 | } | |
1684 | } | |
1685 | end: | |
1686 | return ret; | |
1687 | } | |
1688 | ||
1689 | static | |
1690 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1691 | { | |
1692 | int ret = 0; | |
1693 | struct bt_ctf_field_string *string; | |
1694 | ||
1695 | if (!field) { | |
1696 | ret = -1; | |
1697 | goto end; | |
1698 | } | |
1699 | ||
1700 | ret = bt_ctf_field_generic_reset(field); | |
1701 | if (ret) { | |
1702 | goto end; | |
1703 | } | |
1704 | ||
1705 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1706 | if (string->payload) { | |
1707 | g_string_truncate(string->payload, 0); | |
1708 | } | |
1709 | end: | |
1710 | return ret; | |
1711 | } | |
1712 | ||
273b65be JG |
1713 | static |
1714 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1715 | struct ctf_stream_pos *pos) | |
1716 | { | |
1717 | int ret = 0; | |
1718 | struct bt_ctf_field_integer *integer = container_of(field, | |
1719 | struct bt_ctf_field_integer, parent); | |
1720 | ||
1721 | retry: | |
1722 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1723 | if (ret == -EFAULT) { | |
1724 | /* | |
1725 | * The field is too large to fit in the current packet's | |
1726 | * remaining space. Bump the packet size and retry. | |
1727 | */ | |
1728 | ret = increase_packet_size(pos); | |
1729 | if (ret) { | |
1730 | goto end; | |
1731 | } | |
1732 | goto retry; | |
1733 | } | |
1734 | end: | |
1735 | return ret; | |
1736 | } | |
1737 | ||
1738 | static | |
1739 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1740 | struct ctf_stream_pos *pos) | |
1741 | { | |
1742 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1743 | field, struct bt_ctf_field_enumeration, parent); | |
1744 | ||
1745 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1746 | } | |
1747 | ||
1748 | static | |
1749 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1750 | struct ctf_stream_pos *pos) | |
1751 | { | |
1752 | int ret = 0; | |
1753 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1754 | struct bt_ctf_field_floating_point, parent); | |
1755 | ||
1756 | retry: | |
1757 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1758 | if (ret == -EFAULT) { | |
1759 | /* | |
1760 | * The field is too large to fit in the current packet's | |
1761 | * remaining space. Bump the packet size and retry. | |
1762 | */ | |
1763 | ret = increase_packet_size(pos); | |
1764 | if (ret) { | |
1765 | goto end; | |
1766 | } | |
1767 | goto retry; | |
1768 | } | |
1769 | end: | |
1770 | return ret; | |
1771 | } | |
1772 | ||
1773 | static | |
1774 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1775 | struct ctf_stream_pos *pos) | |
1776 | { | |
1777 | size_t i; | |
1778 | int ret = 0; | |
1779 | struct bt_ctf_field_structure *structure = container_of( | |
1780 | field, struct bt_ctf_field_structure, parent); | |
1781 | ||
1782 | while (!ctf_pos_access_ok(pos, | |
1783 | offset_align(pos->offset, | |
1784 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1785 | ret = increase_packet_size(pos); |
1786 | if (ret) { | |
1787 | goto end; | |
1788 | } | |
273b65be JG |
1789 | } |
1790 | ||
70fd5a51 MD |
1791 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1792 | ret = -1; | |
1793 | goto end; | |
1794 | } | |
273b65be JG |
1795 | |
1796 | for (i = 0; i < structure->fields->len; i++) { | |
1797 | struct bt_ctf_field *field = g_ptr_array_index( | |
1798 | structure->fields, i); | |
1799 | ||
1800 | ret = bt_ctf_field_serialize(field, pos); | |
1801 | if (ret) { | |
1802 | break; | |
1803 | } | |
1804 | } | |
9f56e450 | 1805 | end: |
273b65be JG |
1806 | return ret; |
1807 | } | |
1808 | ||
1809 | static | |
1810 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1811 | struct ctf_stream_pos *pos) | |
1812 | { | |
1813 | struct bt_ctf_field_variant *variant = container_of( | |
1814 | field, struct bt_ctf_field_variant, parent); | |
1815 | ||
1816 | return bt_ctf_field_serialize(variant->payload, pos); | |
1817 | } | |
1818 | ||
1819 | static | |
1820 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1821 | struct ctf_stream_pos *pos) | |
1822 | { | |
1823 | size_t i; | |
1824 | int ret = 0; | |
1825 | struct bt_ctf_field_array *array = container_of( | |
1826 | field, struct bt_ctf_field_array, parent); | |
1827 | ||
1828 | for (i = 0; i < array->elements->len; i++) { | |
1829 | ret = bt_ctf_field_serialize( | |
1830 | g_ptr_array_index(array->elements, i), pos); | |
1831 | if (ret) { | |
1832 | goto end; | |
1833 | } | |
1834 | } | |
1835 | end: | |
1836 | return ret; | |
1837 | } | |
1838 | ||
1839 | static | |
1840 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1841 | struct ctf_stream_pos *pos) | |
1842 | { | |
1843 | size_t i; | |
1844 | int ret = 0; | |
1845 | struct bt_ctf_field_sequence *sequence = container_of( | |
1846 | field, struct bt_ctf_field_sequence, parent); | |
1847 | ||
1848 | for (i = 0; i < sequence->elements->len; i++) { | |
1849 | ret = bt_ctf_field_serialize( | |
1850 | g_ptr_array_index(sequence->elements, i), pos); | |
1851 | if (ret) { | |
1852 | goto end; | |
1853 | } | |
1854 | } | |
1855 | end: | |
1856 | return ret; | |
1857 | } | |
1858 | ||
1859 | static | |
1860 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1861 | struct ctf_stream_pos *pos) | |
1862 | { | |
1863 | size_t i; | |
1864 | int ret = 0; | |
1865 | struct bt_ctf_field_string *string = container_of(field, | |
1866 | struct bt_ctf_field_string, parent); | |
1867 | struct bt_ctf_field_type *character_type = | |
1868 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1869 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1870 | ||
1871 | for (i = 0; i < string->payload->len + 1; i++) { | |
1872 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1873 | (uint64_t) string->payload->str[i]); | |
1874 | if (ret) { | |
1875 | goto end; | |
1876 | } | |
1877 | ||
1878 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1879 | if (ret) { | |
1880 | goto end; | |
1881 | } | |
1882 | } | |
1883 | end: | |
1884 | bt_ctf_field_put(character); | |
1885 | bt_ctf_field_type_put(character_type); | |
1886 | return ret; | |
1887 | } | |
1888 | ||
87d43dc1 JG |
1889 | static |
1890 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
1891 | struct bt_ctf_field *dst) | |
1892 | { | |
1893 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
1894 | ||
1895 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 1896 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
1897 | |
1898 | memcpy(&integer_dst->definition, &integer_src->definition, | |
1899 | sizeof(struct definition_integer)); | |
1900 | return 0; | |
1901 | } | |
1902 | ||
1903 | static | |
1904 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
1905 | struct bt_ctf_field *dst) | |
1906 | { | |
1907 | int ret = 0; | |
1908 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
1909 | ||
1910 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
1911 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
1912 | ||
1913 | if (enum_src->payload) { | |
1914 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
1915 | if (!enum_dst->payload) { | |
1916 | ret = -1; | |
1917 | goto end; | |
1918 | } | |
1919 | } | |
1920 | end: | |
1921 | return ret; | |
1922 | } | |
1923 | ||
1924 | static | |
1925 | int bt_ctf_field_floating_point_copy( | |
1926 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
1927 | { | |
1928 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
1929 | ||
1930 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
1931 | parent); | |
1932 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
1933 | parent); | |
1934 | ||
1935 | memcpy(&float_dst->definition, &float_src->definition, | |
1936 | sizeof(struct definition_float)); | |
1937 | memcpy(&float_dst->sign, &float_src->sign, | |
1938 | sizeof(struct definition_integer)); | |
1939 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
1940 | sizeof(struct definition_integer)); | |
1941 | memcpy(&float_dst->exp, &float_src->exp, | |
1942 | sizeof(struct definition_integer)); | |
1943 | return 0; | |
1944 | } | |
1945 | ||
1946 | static | |
1947 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
1948 | struct bt_ctf_field *dst) | |
1949 | { | |
8bfa3f9c | 1950 | int ret = 0, i; |
87d43dc1 JG |
1951 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
1952 | ||
1953 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
1954 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
1955 | ||
8bfa3f9c | 1956 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 1957 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 1958 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
1959 | |
1960 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
1961 | struct bt_ctf_field *field = |
1962 | g_ptr_array_index(struct_src->fields, i); | |
1963 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 1964 | |
50fd95bf PP |
1965 | if (field) { |
1966 | field_copy = bt_ctf_field_copy(field); | |
1967 | ||
1968 | if (!field_copy) { | |
1969 | ret = -1; | |
1970 | goto end; | |
1971 | } | |
87d43dc1 | 1972 | } |
50fd95bf | 1973 | |
8bfa3f9c | 1974 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
1975 | } |
1976 | end: | |
1977 | return ret; | |
1978 | } | |
1979 | ||
1980 | static | |
1981 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
1982 | struct bt_ctf_field *dst) | |
1983 | { | |
1984 | int ret = 0; | |
1985 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
1986 | ||
1987 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
1988 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
1989 | ||
1990 | if (variant_src->tag) { | |
1991 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
1992 | if (!variant_dst->tag) { | |
1993 | ret = -1; | |
1994 | goto end; | |
1995 | } | |
1996 | } | |
1997 | if (variant_src->payload) { | |
1998 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
1999 | if (!variant_dst->payload) { | |
2000 | ret = -1; | |
2001 | goto end; | |
2002 | } | |
2003 | } | |
2004 | end: | |
2005 | return ret; | |
2006 | } | |
2007 | ||
2008 | static | |
2009 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2010 | struct bt_ctf_field *dst) | |
2011 | { | |
2012 | int ret = 0, i; | |
2013 | struct bt_ctf_field_array *array_src, *array_dst; | |
2014 | ||
2015 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2016 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2017 | ||
8bfa3f9c | 2018 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2019 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2020 | struct bt_ctf_field *field = |
2021 | g_ptr_array_index(array_src->elements, i); | |
2022 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2023 | |
50fd95bf PP |
2024 | if (field) { |
2025 | field_copy = bt_ctf_field_copy(field); | |
2026 | ||
2027 | if (!field_copy) { | |
2028 | ret = -1; | |
2029 | goto end; | |
2030 | } | |
87d43dc1 | 2031 | } |
50fd95bf | 2032 | |
8bfa3f9c | 2033 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2034 | } |
2035 | end: | |
2036 | return ret; | |
2037 | } | |
2038 | ||
2039 | static | |
2040 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2041 | struct bt_ctf_field *dst) | |
2042 | { | |
2043 | int ret = 0, i; | |
2044 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2045 | struct bt_ctf_field *src_length; |
2046 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2047 | |
2048 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2049 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2050 | ||
59ab494d PP |
2051 | src_length = bt_ctf_field_sequence_get_length(src); |
2052 | ||
2053 | if (!src_length) { | |
2054 | /* no length set yet: keep destination sequence empty */ | |
2055 | goto end; | |
2056 | } | |
2057 | ||
2058 | /* copy source length */ | |
2059 | dst_length = bt_ctf_field_copy(src_length); | |
2060 | bt_ctf_field_put(src_length); | |
2061 | ||
2062 | if (!dst_length) { | |
2063 | ret = -1; | |
2064 | goto end; | |
2065 | } | |
2066 | ||
2067 | /* this will initialize the destination sequence's internal array */ | |
2068 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
2069 | bt_ctf_field_put(dst_length); | |
2070 | ||
2071 | if (ret) { | |
2072 | goto end; | |
2073 | } | |
2074 | ||
2075 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2076 | ||
87d43dc1 | 2077 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2078 | struct bt_ctf_field *field = |
2079 | g_ptr_array_index(sequence_src->elements, i); | |
2080 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2081 | |
50fd95bf PP |
2082 | if (field) { |
2083 | field_copy = bt_ctf_field_copy(field); | |
2084 | ||
2085 | if (!field_copy) { | |
2086 | ret = -1; | |
2087 | goto end; | |
2088 | } | |
87d43dc1 | 2089 | } |
59ab494d | 2090 | |
8bfa3f9c | 2091 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2092 | } |
2093 | end: | |
2094 | return ret; | |
2095 | } | |
2096 | ||
2097 | static | |
2098 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2099 | struct bt_ctf_field *dst) | |
2100 | { | |
2101 | int ret = 0; | |
2102 | struct bt_ctf_field_string *string_src, *string_dst; | |
2103 | ||
2104 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2105 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2106 | ||
2107 | if (string_src->payload) { | |
2108 | string_dst->payload = g_string_new(string_src->payload->str); | |
2109 | if (!string_dst->payload) { | |
2110 | ret = -1; | |
2111 | goto end; | |
2112 | } | |
2113 | } | |
2114 | end: | |
2115 | return ret; | |
2116 | } | |
2117 | ||
273b65be JG |
2118 | static |
2119 | int increase_packet_size(struct ctf_stream_pos *pos) | |
2120 | { | |
2121 | int ret; | |
2122 | ||
2123 | assert(pos); | |
2124 | ret = munmap_align(pos->base_mma); | |
2125 | if (ret) { | |
2126 | goto end; | |
2127 | } | |
2128 | ||
2129 | pos->packet_size += PACKET_LEN_INCREMENT; | |
2130 | ret = posix_fallocate(pos->fd, pos->mmap_offset, | |
2131 | pos->packet_size / CHAR_BIT); | |
2132 | if (ret) { | |
2133 | goto end; | |
2134 | } | |
2135 | ||
2136 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2137 | pos->flags, pos->fd, pos->mmap_offset); | |
2138 | if (pos->base_mma == MAP_FAILED) { | |
2139 | ret = -1; | |
2140 | } | |
2141 | end: | |
2142 | return ret; | |
2143 | } |