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> | |
83509119 JG |
32 | #include <babeltrace/object-internal.h> |
33 | #include <babeltrace/ref.h> | |
273b65be | 34 | #include <babeltrace/compiler.h> |
a323afb2 | 35 | #include <babeltrace/compat/fcntl.h> |
273b65be JG |
36 | |
37 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) | |
38 | ||
39 | static | |
40 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); | |
41 | static | |
42 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
43 | struct bt_ctf_field_type *); | |
44 | static | |
45 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
46 | struct bt_ctf_field_type *); | |
47 | static | |
48 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
49 | struct bt_ctf_field_type *); | |
50 | static | |
51 | struct bt_ctf_field *bt_ctf_field_variant_create( | |
52 | struct bt_ctf_field_type *); | |
53 | static | |
54 | struct bt_ctf_field *bt_ctf_field_array_create( | |
55 | struct bt_ctf_field_type *); | |
56 | static | |
57 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
58 | struct bt_ctf_field_type *); | |
59 | static | |
60 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); | |
61 | ||
62 | static | |
83509119 | 63 | void bt_ctf_field_destroy(struct bt_object *); |
273b65be JG |
64 | static |
65 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); | |
66 | static | |
67 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); | |
68 | static | |
69 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); | |
70 | static | |
71 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); | |
72 | static | |
73 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); | |
74 | static | |
75 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); | |
76 | static | |
77 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); | |
78 | static | |
79 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); | |
80 | ||
81 | static | |
ca116246 | 82 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
273b65be | 83 | static |
ca116246 | 84 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
273b65be | 85 | static |
ca116246 | 86 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
273b65be | 87 | static |
ca116246 | 88 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
273b65be | 89 | static |
ca116246 | 90 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
273b65be | 91 | static |
ca116246 | 92 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
273b65be | 93 | |
12c8a1a3 | 94 | static |
ca116246 | 95 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
12c8a1a3 | 96 | static |
ca116246 | 97 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
12c8a1a3 | 98 | static |
ca116246 | 99 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
12c8a1a3 | 100 | static |
ca116246 | 101 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
12c8a1a3 | 102 | static |
ca116246 | 103 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
12c8a1a3 | 104 | static |
ca116246 | 105 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
12c8a1a3 | 106 | static |
ca116246 | 107 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
12c8a1a3 | 108 | |
273b65be JG |
109 | static |
110 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
111 | struct ctf_stream_pos *); | |
112 | static | |
113 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
114 | struct ctf_stream_pos *); | |
115 | static | |
116 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
117 | struct ctf_stream_pos *); | |
118 | static | |
119 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
120 | struct ctf_stream_pos *); | |
121 | static | |
122 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
123 | struct ctf_stream_pos *); | |
124 | static | |
125 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
126 | struct ctf_stream_pos *); | |
127 | static | |
128 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
129 | struct ctf_stream_pos *); | |
130 | static | |
131 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
132 | struct ctf_stream_pos *); | |
133 | ||
87d43dc1 JG |
134 | static |
135 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
136 | static | |
137 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
138 | static | |
139 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, | |
140 | struct bt_ctf_field *); | |
141 | static | |
142 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
143 | static | |
144 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
145 | static | |
146 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
147 | static | |
148 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
149 | static | |
150 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
151 | ||
273b65be JG |
152 | static |
153 | int increase_packet_size(struct ctf_stream_pos *pos); | |
154 | ||
155 | static | |
ce6da4fd | 156 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be JG |
157 | struct bt_ctf_field_type *) = { |
158 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_create, | |
159 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create, | |
160 | [CTF_TYPE_FLOAT] = | |
161 | bt_ctf_field_floating_point_create, | |
162 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_create, | |
163 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_create, | |
164 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_create, | |
165 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_create, | |
166 | [CTF_TYPE_STRING] = bt_ctf_field_string_create, | |
167 | }; | |
168 | ||
169 | static | |
ce6da4fd | 170 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
273b65be JG |
171 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy, |
172 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy, | |
173 | [CTF_TYPE_FLOAT] = | |
174 | bt_ctf_field_floating_point_destroy, | |
175 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_destroy, | |
176 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_destroy, | |
177 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_destroy, | |
178 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
179 | [CTF_TYPE_STRING] = bt_ctf_field_string_destroy, | |
180 | }; | |
181 | ||
182 | static | |
ce6da4fd | 183 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
273b65be JG |
184 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate, |
185 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate, | |
186 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate, | |
187 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_validate, | |
188 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_validate, | |
189 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_validate, | |
190 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_validate, | |
191 | [CTF_TYPE_STRING] = bt_ctf_field_generic_validate, | |
192 | }; | |
193 | ||
12c8a1a3 | 194 | static |
ce6da4fd | 195 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
12c8a1a3 JG |
196 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_reset, |
197 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_reset, | |
198 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_reset, | |
199 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_reset, | |
200 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_reset, | |
201 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_reset, | |
202 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_reset, | |
203 | [CTF_TYPE_STRING] = bt_ctf_field_string_reset, | |
204 | }; | |
205 | ||
273b65be | 206 | static |
ce6da4fd | 207 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
273b65be JG |
208 | struct ctf_stream_pos *) = { |
209 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize, | |
210 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize, | |
211 | [CTF_TYPE_FLOAT] = | |
212 | bt_ctf_field_floating_point_serialize, | |
213 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_serialize, | |
214 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_serialize, | |
215 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_serialize, | |
216 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
217 | [CTF_TYPE_STRING] = bt_ctf_field_string_serialize, | |
218 | }; | |
219 | ||
87d43dc1 | 220 | static |
ce6da4fd JG |
221 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
222 | struct bt_ctf_field *) = { | |
87d43dc1 JG |
223 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_copy, |
224 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_copy, | |
225 | [CTF_TYPE_FLOAT] = bt_ctf_field_floating_point_copy, | |
226 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_copy, | |
227 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_copy, | |
228 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_copy, | |
229 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_copy, | |
230 | [CTF_TYPE_STRING] = bt_ctf_field_string_copy, | |
231 | }; | |
232 | ||
273b65be JG |
233 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
234 | { | |
235 | struct bt_ctf_field *field = NULL; | |
236 | enum ctf_type_id type_id; | |
81e36fac | 237 | int ret; |
273b65be JG |
238 | |
239 | if (!type) { | |
240 | goto error; | |
241 | } | |
242 | ||
243 | type_id = bt_ctf_field_type_get_type_id(type); | |
81e36fac PP |
244 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { |
245 | goto error; | |
246 | } | |
247 | ||
248 | /* Field class MUST be valid */ | |
249 | ret = bt_ctf_field_type_validate(type); | |
250 | ||
251 | if (ret) { | |
252 | /* Invalid */ | |
273b65be JG |
253 | goto error; |
254 | } | |
255 | ||
256 | field = field_create_funcs[type_id](type); | |
257 | if (!field) { | |
258 | goto error; | |
259 | } | |
260 | ||
261 | /* The type's declaration can't change after this point */ | |
262 | bt_ctf_field_type_freeze(type); | |
83509119 JG |
263 | bt_get(type); |
264 | bt_object_init(field, bt_ctf_field_destroy); | |
273b65be JG |
265 | field->type = type; |
266 | error: | |
267 | return field; | |
268 | } | |
269 | ||
270 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
271 | { | |
83509119 | 272 | bt_get(field); |
273b65be JG |
273 | } |
274 | ||
275 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
276 | { | |
83509119 | 277 | bt_put(field); |
273b65be JG |
278 | } |
279 | ||
cd95e351 JG |
280 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
281 | { | |
282 | struct bt_ctf_field_type *ret = NULL; | |
283 | ||
284 | if (!field) { | |
285 | goto end; | |
286 | } | |
287 | ||
288 | ret = field->type; | |
83509119 | 289 | bt_get(ret); |
cd95e351 JG |
290 | end: |
291 | return ret; | |
292 | } | |
293 | ||
4ebcc695 PP |
294 | enum ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
295 | { | |
296 | enum ctf_type_id ret = CTF_TYPE_UNKNOWN; | |
297 | ||
298 | if (!field) { | |
299 | goto end; | |
300 | } | |
301 | ||
302 | ret = bt_ctf_field_type_get_type_id(field->type); | |
303 | end: | |
304 | return ret; | |
305 | } | |
306 | ||
8f3553be PP |
307 | int bt_ctf_field_is_integer(struct bt_ctf_field *field) |
308 | { | |
309 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_INTEGER; | |
310 | } | |
311 | ||
312 | int bt_ctf_field_is_floating_point(struct bt_ctf_field *field) | |
313 | { | |
314 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_FLOAT; | |
315 | } | |
316 | ||
317 | int bt_ctf_field_is_enumeration(struct bt_ctf_field *field) | |
318 | { | |
319 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_ENUM; | |
320 | } | |
321 | ||
322 | int bt_ctf_field_is_string(struct bt_ctf_field *field) | |
323 | { | |
324 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_STRING; | |
325 | } | |
326 | ||
327 | int bt_ctf_field_is_structure(struct bt_ctf_field *field) | |
328 | { | |
329 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_STRUCT; | |
330 | } | |
331 | ||
332 | int bt_ctf_field_is_array(struct bt_ctf_field *field) | |
333 | { | |
334 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_ARRAY; | |
335 | } | |
336 | ||
337 | int bt_ctf_field_is_sequence(struct bt_ctf_field *field) | |
338 | { | |
339 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_SEQUENCE; | |
340 | } | |
341 | ||
342 | int bt_ctf_field_is_variant(struct bt_ctf_field *field) | |
343 | { | |
344 | return bt_ctf_field_get_type_id(field) == CTF_TYPE_VARIANT; | |
345 | } | |
346 | ||
cd95e351 JG |
347 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
348 | struct bt_ctf_field *field) | |
349 | { | |
350 | struct bt_ctf_field *ret = NULL; | |
351 | struct bt_ctf_field_sequence *sequence; | |
352 | ||
353 | if (!field) { | |
354 | goto end; | |
355 | } | |
356 | ||
357 | if (bt_ctf_field_type_get_type_id(field->type) != | |
358 | CTF_TYPE_SEQUENCE) { | |
359 | goto end; | |
360 | } | |
361 | ||
362 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
363 | ret = sequence->length; | |
83509119 | 364 | bt_get(ret); |
cd95e351 JG |
365 | end: |
366 | return ret; | |
367 | } | |
368 | ||
273b65be JG |
369 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
370 | struct bt_ctf_field *length_field) | |
371 | { | |
372 | int ret = 0; | |
373 | struct bt_ctf_field_type_integer *length_type; | |
374 | struct bt_ctf_field_integer *length; | |
375 | struct bt_ctf_field_sequence *sequence; | |
376 | uint64_t sequence_length; | |
377 | ||
378 | if (!field || !length_field) { | |
379 | ret = -1; | |
380 | goto end; | |
381 | } | |
382 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
383 | CTF_TYPE_INTEGER) { | |
384 | ret = -1; | |
385 | goto end; | |
386 | } | |
387 | ||
388 | length_type = container_of(length_field->type, | |
389 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 390 | /* The length field must be unsigned */ |
273b65be JG |
391 | if (length_type->declaration.signedness) { |
392 | ret = -1; | |
393 | goto end; | |
394 | } | |
395 | ||
396 | length = container_of(length_field, struct bt_ctf_field_integer, | |
397 | parent); | |
398 | sequence_length = length->definition.value._unsigned; | |
399 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
400 | if (sequence->elements) { | |
401 | g_ptr_array_free(sequence->elements, TRUE); | |
83509119 | 402 | bt_put(sequence->length); |
273b65be JG |
403 | } |
404 | ||
fe0fe95c | 405 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
406 | if (!sequence->elements) { |
407 | ret = -1; | |
408 | goto end; | |
409 | } | |
410 | ||
fe0fe95c | 411 | g_ptr_array_set_free_func(sequence->elements, |
83509119 JG |
412 | (GDestroyNotify) bt_put); |
413 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); | |
414 | bt_get(length_field); | |
273b65be JG |
415 | sequence->length = length_field; |
416 | end: | |
417 | return ret; | |
418 | } | |
419 | ||
420 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
421 | struct bt_ctf_field *field, const char *name) | |
422 | { | |
423 | struct bt_ctf_field *new_field = NULL; | |
424 | GQuark field_quark; | |
425 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 426 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
427 | size_t index; |
428 | ||
429 | if (!field || !name || | |
430 | bt_ctf_field_type_get_type_id(field->type) != | |
431 | CTF_TYPE_STRUCT) { | |
432 | goto error; | |
433 | } | |
434 | ||
435 | field_quark = g_quark_from_string(name); | |
436 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
437 | field_type = |
438 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
439 | name); | |
273b65be JG |
440 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
441 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
442 | goto error; | |
443 | } | |
444 | ||
445 | if (structure->fields->pdata[index]) { | |
446 | new_field = structure->fields->pdata[index]; | |
447 | goto end; | |
448 | } | |
449 | ||
450 | new_field = bt_ctf_field_create(field_type); | |
451 | if (!new_field) { | |
452 | goto error; | |
453 | } | |
454 | ||
455 | structure->fields->pdata[index] = new_field; | |
456 | end: | |
83509119 | 457 | bt_get(new_field); |
273b65be | 458 | error: |
b92ddaaa | 459 | if (field_type) { |
83509119 | 460 | bt_put(field_type); |
b92ddaaa | 461 | } |
273b65be JG |
462 | return new_field; |
463 | } | |
464 | ||
cd95e351 | 465 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 466 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
467 | { |
468 | int ret; | |
469 | const char *field_name; | |
470 | struct bt_ctf_field_structure *structure; | |
471 | struct bt_ctf_field_type *structure_type; | |
472 | struct bt_ctf_field_type *field_type = NULL; | |
473 | struct bt_ctf_field *ret_field = NULL; | |
474 | ||
475 | if (!field || | |
476 | bt_ctf_field_type_get_type_id(field->type) != CTF_TYPE_STRUCT) { | |
477 | goto end; | |
478 | } | |
479 | ||
480 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
481 | if (index >= structure->fields->len) { | |
482 | goto error; | |
483 | } | |
484 | ||
485 | ret_field = structure->fields->pdata[index]; | |
486 | if (ret_field) { | |
487 | goto end; | |
488 | } | |
489 | ||
490 | /* Field has not been instanciated yet, create it */ | |
491 | structure_type = bt_ctf_field_get_type(field); | |
492 | if (!structure_type) { | |
493 | goto error; | |
494 | } | |
495 | ||
496 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
497 | &field_name, &field_type, index); | |
83509119 | 498 | bt_put(structure_type); |
cd95e351 JG |
499 | if (ret) { |
500 | goto error; | |
501 | } | |
502 | ||
503 | ret_field = bt_ctf_field_create(field_type); | |
504 | if (!ret_field) { | |
505 | goto error; | |
506 | } | |
507 | ||
508 | structure->fields->pdata[index] = ret_field; | |
509 | end: | |
83509119 | 510 | bt_get(ret_field); |
cd95e351 | 511 | error: |
83509119 | 512 | bt_put(field_type); |
cd95e351 JG |
513 | return ret_field; |
514 | } | |
515 | ||
273b65be JG |
516 | BT_HIDDEN |
517 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
518 | const char *name, struct bt_ctf_field *value) | |
519 | { | |
520 | int ret = 0; | |
521 | GQuark field_quark; | |
522 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 523 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
524 | size_t index; |
525 | ||
526 | if (!field || !name || !value || | |
527 | bt_ctf_field_type_get_type_id(field->type) != | |
528 | CTF_TYPE_STRUCT) { | |
529 | ret = -1; | |
530 | goto end; | |
531 | } | |
532 | ||
533 | field_quark = g_quark_from_string(name); | |
534 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
535 | expected_field_type = |
536 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
537 | name); | |
09840de5 PP |
538 | |
539 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { | |
273b65be JG |
540 | ret = -1; |
541 | goto end; | |
542 | } | |
543 | ||
544 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
545 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
546 | goto end; | |
547 | } | |
548 | ||
549 | if (structure->fields->pdata[index]) { | |
83509119 | 550 | bt_put(structure->fields->pdata[index]); |
273b65be JG |
551 | } |
552 | ||
553 | structure->fields->pdata[index] = value; | |
83509119 | 554 | bt_get(value); |
273b65be | 555 | end: |
b92ddaaa | 556 | if (expected_field_type) { |
83509119 | 557 | bt_put(expected_field_type); |
b92ddaaa | 558 | } |
273b65be JG |
559 | return ret; |
560 | } | |
561 | ||
562 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
563 | uint64_t index) | |
564 | { | |
565 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 566 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 567 | struct bt_ctf_field_array *array; |
273b65be JG |
568 | |
569 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
570 | CTF_TYPE_ARRAY) { | |
571 | goto end; | |
572 | } | |
573 | ||
574 | array = container_of(field, struct bt_ctf_field_array, parent); | |
575 | if (index >= array->elements->len) { | |
576 | goto end; | |
577 | } | |
578 | ||
b92ddaaa | 579 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
580 | if (array->elements->pdata[(size_t)index]) { |
581 | new_field = array->elements->pdata[(size_t)index]; | |
582 | goto end; | |
583 | } | |
584 | ||
585 | new_field = bt_ctf_field_create(field_type); | |
273b65be JG |
586 | array->elements->pdata[(size_t)index] = new_field; |
587 | end: | |
b92ddaaa | 588 | if (field_type) { |
83509119 | 589 | bt_put(field_type); |
b92ddaaa | 590 | } |
92c8b4f9 | 591 | if (new_field) { |
83509119 | 592 | bt_get(new_field); |
92c8b4f9 | 593 | } |
273b65be JG |
594 | return new_field; |
595 | } | |
596 | ||
597 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
598 | uint64_t index) | |
599 | { | |
600 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 601 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 602 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
603 | |
604 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
605 | CTF_TYPE_SEQUENCE) { | |
606 | goto end; | |
607 | } | |
608 | ||
609 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
610 | if (!sequence->elements || sequence->elements->len <= index) { | |
611 | goto end; | |
612 | } | |
613 | ||
b92ddaaa | 614 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
83509119 JG |
615 | if (sequence->elements->pdata[(size_t) index]) { |
616 | new_field = sequence->elements->pdata[(size_t) index]; | |
273b65be JG |
617 | goto end; |
618 | } | |
619 | ||
620 | new_field = bt_ctf_field_create(field_type); | |
83509119 | 621 | sequence->elements->pdata[(size_t) index] = new_field; |
273b65be | 622 | end: |
b92ddaaa | 623 | if (field_type) { |
83509119 | 624 | bt_put(field_type); |
b92ddaaa | 625 | } |
92c8b4f9 | 626 | if (new_field) { |
83509119 | 627 | bt_get(new_field); |
92c8b4f9 | 628 | } |
273b65be JG |
629 | return new_field; |
630 | } | |
631 | ||
632 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
633 | struct bt_ctf_field *tag_field) | |
634 | { | |
635 | struct bt_ctf_field *new_field = NULL; | |
636 | struct bt_ctf_field_variant *variant; | |
637 | struct bt_ctf_field_type_variant *variant_type; | |
638 | struct bt_ctf_field_type *field_type; | |
639 | struct bt_ctf_field *tag_enum = NULL; | |
640 | struct bt_ctf_field_integer *tag_enum_integer; | |
641 | int64_t tag_enum_value; | |
642 | ||
643 | if (!field || !tag_field || | |
644 | bt_ctf_field_type_get_type_id(field->type) != | |
645 | CTF_TYPE_VARIANT || | |
646 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
647 | CTF_TYPE_ENUM) { | |
648 | goto end; | |
649 | } | |
650 | ||
651 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
652 | variant_type = container_of(field->type, | |
653 | struct bt_ctf_field_type_variant, parent); | |
654 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
655 | if (!tag_enum) { | |
656 | goto end; | |
657 | } | |
658 | ||
659 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
660 | parent); | |
661 | ||
2c661a4d | 662 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
663 | goto end; |
664 | } | |
665 | ||
666 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
2829190c PP |
667 | |
668 | /* | |
669 | * If the variant currently has a tag and a payload, and if the | |
670 | * requested tag value is the same as the current one, return | |
671 | * the current payload instead of creating a fresh one. | |
672 | */ | |
673 | if (variant->tag && variant->payload) { | |
674 | struct bt_ctf_field *cur_tag_container = NULL; | |
675 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
676 | int64_t cur_tag_value; | |
677 | ||
678 | cur_tag_container = | |
679 | bt_ctf_field_enumeration_get_container(variant->tag); | |
9a5df386 | 680 | assert(cur_tag_container); |
2829190c PP |
681 | cur_tag_enum_integer = container_of(cur_tag_container, |
682 | struct bt_ctf_field_integer, parent); | |
83509119 | 683 | bt_put(cur_tag_container); |
2829190c PP |
684 | cur_tag_value = cur_tag_enum_integer->definition.value._signed; |
685 | ||
686 | if (cur_tag_value == tag_enum_value) { | |
687 | new_field = variant->payload; | |
83509119 | 688 | bt_get(new_field); |
2829190c PP |
689 | goto end; |
690 | } | |
691 | } | |
692 | ||
b92ddaaa JG |
693 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
694 | variant_type, tag_enum_value); | |
273b65be JG |
695 | if (!field_type) { |
696 | goto end; | |
697 | } | |
698 | ||
699 | new_field = bt_ctf_field_create(field_type); | |
700 | if (!new_field) { | |
701 | goto end; | |
702 | } | |
703 | ||
83509119 JG |
704 | bt_put(variant->tag); |
705 | bt_put(variant->payload); | |
706 | bt_get(new_field); | |
707 | bt_get(tag_field); | |
273b65be JG |
708 | variant->tag = tag_field; |
709 | variant->payload = new_field; | |
710 | end: | |
83509119 | 711 | bt_put(tag_enum); |
273b65be JG |
712 | return new_field; |
713 | } | |
714 | ||
3f4a108d PP |
715 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
716 | struct bt_ctf_field *variant_field) | |
717 | { | |
718 | struct bt_ctf_field *current_field = NULL; | |
719 | struct bt_ctf_field_variant *variant; | |
720 | ||
721 | if (!variant_field || | |
722 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
723 | CTF_TYPE_VARIANT) { | |
724 | goto end; | |
725 | } | |
726 | ||
727 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
728 | parent); | |
729 | ||
730 | if (variant->payload) { | |
731 | current_field = variant->payload; | |
83509119 | 732 | bt_get(current_field); |
3f4a108d PP |
733 | goto end; |
734 | } | |
735 | ||
736 | end: | |
737 | return current_field; | |
738 | } | |
739 | ||
273b65be JG |
740 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
741 | struct bt_ctf_field *field) | |
742 | { | |
743 | struct bt_ctf_field *container = NULL; | |
744 | struct bt_ctf_field_enumeration *enumeration; | |
745 | ||
b92ddaaa JG |
746 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
747 | CTF_TYPE_ENUM) { | |
273b65be JG |
748 | goto end; |
749 | } | |
750 | ||
751 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
752 | parent); | |
753 | if (!enumeration->payload) { | |
754 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
755 | container_of(field->type, | |
756 | struct bt_ctf_field_type_enumeration, parent); | |
757 | enumeration->payload = | |
758 | bt_ctf_field_create(enumeration_type->container); | |
759 | } | |
760 | ||
761 | container = enumeration->payload; | |
83509119 | 762 | bt_get(container); |
273b65be JG |
763 | end: |
764 | return container; | |
765 | } | |
766 | ||
cd95e351 JG |
767 | const char *bt_ctf_field_enumeration_get_mapping_name( |
768 | struct bt_ctf_field *field) | |
769 | { | |
770 | int ret; | |
771 | const char *name = NULL; | |
772 | struct bt_ctf_field *container = NULL; | |
773 | struct bt_ctf_field_type *container_type = NULL; | |
774 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
775 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
776 | ||
777 | container = bt_ctf_field_enumeration_get_container(field); | |
778 | if (!container) { | |
779 | goto end; | |
780 | } | |
781 | ||
782 | container_type = bt_ctf_field_get_type(container); | |
783 | if (!container_type) { | |
784 | goto error_put_container; | |
785 | } | |
786 | ||
787 | integer_type = container_of(container_type, | |
788 | struct bt_ctf_field_type_integer, parent); | |
789 | enumeration_type = container_of(field->type, | |
790 | struct bt_ctf_field_type_enumeration, parent); | |
791 | ||
10817e06 | 792 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
793 | uint64_t value; |
794 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
795 | &value); | |
796 | if (ret) { | |
797 | goto error_put_container_type; | |
798 | } | |
799 | ||
800 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
801 | enumeration_type, value); | |
802 | } else { | |
803 | int64_t value; | |
804 | ret = bt_ctf_field_signed_integer_get_value(container, | |
805 | &value); | |
806 | if (ret) { | |
807 | goto error_put_container_type; | |
808 | } | |
809 | ||
810 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
811 | enumeration_type, value); | |
812 | } | |
813 | ||
814 | error_put_container_type: | |
83509119 | 815 | bt_put(container_type); |
cd95e351 | 816 | error_put_container: |
83509119 | 817 | bt_put(container); |
cd95e351 JG |
818 | end: |
819 | return name; | |
820 | } | |
821 | ||
822 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
823 | int64_t *value) | |
824 | { | |
825 | int ret = 0; | |
826 | struct bt_ctf_field_integer *integer; | |
827 | struct bt_ctf_field_type_integer *integer_type; | |
828 | ||
829 | if (!field || !value || !field->payload_set || | |
830 | bt_ctf_field_type_get_type_id(field->type) != | |
831 | CTF_TYPE_INTEGER) { | |
832 | ret = -1; | |
833 | goto end; | |
834 | } | |
835 | ||
836 | integer_type = container_of(field->type, | |
837 | struct bt_ctf_field_type_integer, parent); | |
838 | if (!integer_type->declaration.signedness) { | |
839 | ret = -1; | |
840 | goto end; | |
841 | } | |
842 | ||
843 | integer = container_of(field, | |
844 | struct bt_ctf_field_integer, parent); | |
845 | *value = integer->definition.value._signed; | |
846 | end: | |
847 | return ret; | |
848 | } | |
849 | ||
273b65be JG |
850 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
851 | int64_t value) | |
852 | { | |
853 | int ret = 0; | |
854 | struct bt_ctf_field_integer *integer; | |
855 | struct bt_ctf_field_type_integer *integer_type; | |
856 | unsigned int size; | |
857 | int64_t min_value, max_value; | |
858 | ||
859 | if (!field || | |
860 | bt_ctf_field_type_get_type_id(field->type) != | |
861 | CTF_TYPE_INTEGER) { | |
862 | ret = -1; | |
863 | goto end; | |
864 | } | |
865 | ||
866 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
867 | integer_type = container_of(field->type, | |
868 | struct bt_ctf_field_type_integer, parent); | |
869 | if (!integer_type->declaration.signedness) { | |
870 | ret = -1; | |
871 | goto end; | |
872 | } | |
873 | ||
874 | size = integer_type->declaration.len; | |
875 | min_value = -((int64_t)1 << (size - 1)); | |
876 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
877 | if (value < min_value || value > max_value) { | |
878 | ret = -1; | |
879 | goto end; | |
880 | } | |
881 | ||
882 | integer->definition.value._signed = value; | |
883 | integer->parent.payload_set = 1; | |
884 | end: | |
885 | return ret; | |
886 | } | |
887 | ||
cd95e351 JG |
888 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
889 | uint64_t *value) | |
890 | { | |
891 | int ret = 0; | |
892 | struct bt_ctf_field_integer *integer; | |
893 | struct bt_ctf_field_type_integer *integer_type; | |
894 | ||
895 | if (!field || !value || !field->payload_set || | |
896 | bt_ctf_field_type_get_type_id(field->type) != | |
897 | CTF_TYPE_INTEGER) { | |
898 | ret = -1; | |
899 | goto end; | |
900 | } | |
901 | ||
902 | integer_type = container_of(field->type, | |
903 | struct bt_ctf_field_type_integer, parent); | |
904 | if (integer_type->declaration.signedness) { | |
905 | ret = -1; | |
906 | goto end; | |
907 | } | |
908 | ||
909 | integer = container_of(field, | |
910 | struct bt_ctf_field_integer, parent); | |
911 | *value = integer->definition.value._unsigned; | |
912 | end: | |
913 | return ret; | |
914 | } | |
915 | ||
273b65be JG |
916 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
917 | uint64_t value) | |
918 | { | |
919 | int ret = 0; | |
920 | struct bt_ctf_field_integer *integer; | |
921 | struct bt_ctf_field_type_integer *integer_type; | |
922 | unsigned int size; | |
923 | uint64_t max_value; | |
924 | ||
925 | if (!field || | |
926 | bt_ctf_field_type_get_type_id(field->type) != | |
927 | CTF_TYPE_INTEGER) { | |
928 | ret = -1; | |
929 | goto end; | |
930 | } | |
931 | ||
932 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
933 | integer_type = container_of(field->type, | |
934 | struct bt_ctf_field_type_integer, parent); | |
935 | if (integer_type->declaration.signedness) { | |
936 | ret = -1; | |
937 | goto end; | |
938 | } | |
939 | ||
940 | size = integer_type->declaration.len; | |
941 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
942 | if (value > max_value) { | |
943 | ret = -1; | |
944 | goto end; | |
945 | } | |
946 | ||
947 | integer->definition.value._unsigned = value; | |
948 | integer->parent.payload_set = 1; | |
949 | end: | |
950 | return ret; | |
951 | } | |
952 | ||
cd95e351 JG |
953 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
954 | double *value) | |
955 | { | |
956 | int ret = 0; | |
957 | struct bt_ctf_field_floating_point *floating_point; | |
958 | ||
959 | if (!field || !value || !field->payload_set || | |
960 | bt_ctf_field_type_get_type_id(field->type) != | |
961 | CTF_TYPE_FLOAT) { | |
962 | ret = -1; | |
963 | goto end; | |
964 | } | |
965 | ||
966 | floating_point = container_of(field, | |
967 | struct bt_ctf_field_floating_point, parent); | |
968 | *value = floating_point->definition.value; | |
969 | end: | |
970 | return ret; | |
971 | } | |
972 | ||
273b65be JG |
973 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
974 | double value) | |
975 | { | |
976 | int ret = 0; | |
977 | struct bt_ctf_field_floating_point *floating_point; | |
978 | ||
979 | if (!field || | |
980 | bt_ctf_field_type_get_type_id(field->type) != | |
981 | CTF_TYPE_FLOAT) { | |
982 | ret = -1; | |
983 | goto end; | |
984 | } | |
985 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
986 | parent); | |
987 | floating_point->definition.value = value; | |
988 | floating_point->parent.payload_set = 1; | |
989 | end: | |
990 | return ret; | |
991 | } | |
992 | ||
cd95e351 JG |
993 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
994 | { | |
995 | const char *ret = NULL; | |
996 | struct bt_ctf_field_string *string; | |
997 | ||
998 | if (!field || !field->payload_set || | |
999 | bt_ctf_field_type_get_type_id(field->type) != | |
1000 | CTF_TYPE_STRING) { | |
1001 | goto end; | |
1002 | } | |
1003 | ||
1004 | string = container_of(field, | |
1005 | struct bt_ctf_field_string, parent); | |
1006 | ret = string->payload->str; | |
1007 | end: | |
1008 | return ret; | |
1009 | } | |
1010 | ||
273b65be JG |
1011 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
1012 | const char *value) | |
1013 | { | |
1014 | int ret = 0; | |
1015 | struct bt_ctf_field_string *string; | |
1016 | ||
1017 | if (!field || !value || | |
1018 | bt_ctf_field_type_get_type_id(field->type) != | |
1019 | CTF_TYPE_STRING) { | |
1020 | ret = -1; | |
1021 | goto end; | |
1022 | } | |
1023 | ||
1024 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1025 | if (string->payload) { | |
97736814 JG |
1026 | g_string_assign(string->payload, value); |
1027 | } else { | |
1028 | string->payload = g_string_new(value); | |
273b65be JG |
1029 | } |
1030 | ||
273b65be JG |
1031 | string->parent.payload_set = 1; |
1032 | end: | |
1033 | return ret; | |
1034 | } | |
1035 | ||
c6f9c5a3 PP |
1036 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
1037 | const char *value) | |
1038 | { | |
1039 | int ret = 0; | |
1040 | struct bt_ctf_field_string *string_field; | |
1041 | ||
1042 | if (!field || !value || | |
1043 | bt_ctf_field_type_get_type_id(field->type) != | |
1044 | CTF_TYPE_STRING) { | |
1045 | ret = -1; | |
1046 | goto end; | |
1047 | } | |
1048 | ||
1049 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1050 | ||
1051 | if (string_field->payload) { | |
1052 | g_string_append(string_field->payload, value); | |
1053 | } else { | |
1054 | string_field->payload = g_string_new(value); | |
1055 | } | |
1056 | ||
1057 | string_field->parent.payload_set = 1; | |
1058 | ||
1059 | end: | |
1060 | return ret; | |
1061 | } | |
1062 | ||
f98c6554 PP |
1063 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1064 | const char *value, unsigned int length) | |
1065 | { | |
1066 | int i; | |
1067 | int ret = 0; | |
1068 | unsigned int effective_length = length; | |
1069 | struct bt_ctf_field_string *string_field; | |
1070 | ||
1071 | if (!field || !value || | |
1072 | bt_ctf_field_type_get_type_id(field->type) != | |
1073 | CTF_TYPE_STRING) { | |
1074 | ret = -1; | |
1075 | goto end; | |
1076 | } | |
1077 | ||
1078 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1079 | ||
1080 | /* make sure no null bytes are appended */ | |
1081 | for (i = 0; i < length; ++i) { | |
1082 | if (value[i] == '\0') { | |
1083 | effective_length = i; | |
1084 | break; | |
1085 | } | |
1086 | } | |
1087 | ||
1088 | if (string_field->payload) { | |
ce6d5230 | 1089 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1090 | effective_length); |
1091 | } else { | |
1092 | string_field->payload = g_string_new_len(value, | |
1093 | effective_length); | |
1094 | } | |
1095 | ||
1096 | string_field->parent.payload_set = 1; | |
1097 | ||
1098 | end: | |
1099 | return ret; | |
1100 | } | |
1101 | ||
273b65be JG |
1102 | BT_HIDDEN |
1103 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1104 | { | |
1105 | int ret = 0; | |
1106 | enum ctf_type_id type_id; | |
1107 | ||
1108 | if (!field) { | |
1109 | ret = -1; | |
1110 | goto end; | |
1111 | } | |
1112 | ||
1113 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1114 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1115 | ret = -1; | |
1116 | goto end; | |
1117 | } | |
1118 | ||
1119 | ret = field_validate_funcs[type_id](field); | |
1120 | end: | |
1121 | return ret; | |
1122 | } | |
1123 | ||
12c8a1a3 JG |
1124 | BT_HIDDEN |
1125 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1126 | { | |
1127 | int ret = 0; | |
1128 | enum ctf_type_id type_id; | |
1129 | ||
1130 | if (!field) { | |
1131 | ret = -1; | |
1132 | goto end; | |
1133 | } | |
1134 | ||
1135 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1136 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1137 | ret = -1; | |
1138 | goto end; | |
1139 | } | |
1140 | ||
1141 | ret = field_reset_funcs[type_id](field); | |
1142 | end: | |
1143 | return ret; | |
1144 | } | |
1145 | ||
273b65be JG |
1146 | BT_HIDDEN |
1147 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
1148 | struct ctf_stream_pos *pos) | |
1149 | { | |
1150 | int ret = 0; | |
1151 | enum ctf_type_id type_id; | |
1152 | ||
1153 | if (!field || !pos) { | |
1154 | ret = -1; | |
1155 | goto end; | |
1156 | } | |
1157 | ||
1158 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1159 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1160 | ret = -1; | |
1161 | goto end; | |
1162 | } | |
1163 | ||
1164 | ret = field_serialize_funcs[type_id](field, pos); | |
1165 | end: | |
1166 | return ret; | |
1167 | } | |
1168 | ||
87d43dc1 JG |
1169 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1170 | { | |
1171 | int ret; | |
1172 | struct bt_ctf_field *copy = NULL; | |
1173 | enum ctf_type_id type_id; | |
1174 | ||
1175 | if (!field) { | |
87d43dc1 JG |
1176 | goto end; |
1177 | } | |
1178 | ||
1179 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1180 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
87d43dc1 JG |
1181 | goto end; |
1182 | } | |
1183 | ||
1184 | copy = bt_ctf_field_create(field->type); | |
1185 | if (!copy) { | |
1186 | goto end; | |
1187 | } | |
1188 | ||
70996764 | 1189 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1190 | ret = field_copy_funcs[type_id](field, copy); |
1191 | if (ret) { | |
83509119 | 1192 | bt_put(copy); |
87d43dc1 JG |
1193 | copy = NULL; |
1194 | } | |
1195 | end: | |
1196 | return copy; | |
1197 | } | |
1198 | ||
273b65be JG |
1199 | static |
1200 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1201 | { | |
1202 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1203 | struct bt_ctf_field_type_integer, parent); | |
1204 | struct bt_ctf_field_integer *integer = g_new0( | |
1205 | struct bt_ctf_field_integer, 1); | |
1206 | ||
1207 | if (integer) { | |
1208 | integer->definition.declaration = &integer_type->declaration; | |
1209 | } | |
1210 | ||
1211 | return integer ? &integer->parent : NULL; | |
1212 | } | |
1213 | ||
1214 | static | |
1215 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1216 | struct bt_ctf_field_type *type) | |
1217 | { | |
1218 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1219 | struct bt_ctf_field_enumeration, 1); | |
1220 | ||
1221 | return enumeration ? &enumeration->parent : NULL; | |
1222 | } | |
1223 | ||
1224 | static | |
1225 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1226 | struct bt_ctf_field_type *type) | |
1227 | { | |
1228 | struct bt_ctf_field_floating_point *floating_point; | |
1229 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1230 | ||
1231 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1232 | if (!floating_point) { | |
1233 | goto end; | |
1234 | } | |
1235 | ||
1236 | floating_point_type = container_of(type, | |
1237 | struct bt_ctf_field_type_floating_point, parent); | |
1238 | floating_point->definition.declaration = container_of( | |
1239 | type->declaration, struct declaration_float, p); | |
1240 | ||
1241 | ||
1242 | floating_point->definition.sign = &floating_point->sign; | |
1243 | floating_point->sign.declaration = &floating_point_type->sign; | |
1244 | floating_point->definition.sign->p.declaration = | |
1245 | &floating_point_type->sign.p; | |
1246 | ||
1247 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1248 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1249 | floating_point->definition.mantissa->p.declaration = | |
1250 | &floating_point_type->mantissa.p; | |
1251 | ||
1252 | floating_point->definition.exp = &floating_point->exp; | |
1253 | floating_point->exp.declaration = &floating_point_type->exp; | |
1254 | floating_point->definition.exp->p.declaration = | |
1255 | &floating_point_type->exp.p; | |
1256 | ||
1257 | end: | |
1258 | return floating_point ? &floating_point->parent : NULL; | |
1259 | } | |
1260 | ||
1261 | static | |
1262 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1263 | struct bt_ctf_field_type *type) | |
1264 | { | |
1265 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1266 | struct bt_ctf_field_type_structure, parent); | |
1267 | struct bt_ctf_field_structure *structure = g_new0( | |
1268 | struct bt_ctf_field_structure, 1); | |
1269 | struct bt_ctf_field *field = NULL; | |
1270 | ||
8c1aa858 | 1271 | if (!structure) { |
273b65be JG |
1272 | goto end; |
1273 | } | |
1274 | ||
1275 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1276 | structure->fields = g_ptr_array_new_with_free_func( | |
1277 | (GDestroyNotify)bt_ctf_field_put); | |
1278 | g_ptr_array_set_size(structure->fields, | |
1279 | g_hash_table_size(structure->field_name_to_index)); | |
1280 | field = &structure->parent; | |
1281 | end: | |
1282 | return field; | |
1283 | } | |
1284 | ||
1285 | static | |
1286 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1287 | { | |
1288 | struct bt_ctf_field_variant *variant = g_new0( | |
1289 | struct bt_ctf_field_variant, 1); | |
1290 | return variant ? &variant->parent : NULL; | |
1291 | } | |
1292 | ||
1293 | static | |
1294 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1295 | { | |
1296 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1297 | struct bt_ctf_field_type_array *array_type; | |
1298 | unsigned int array_length; | |
1299 | ||
1300 | if (!array || !type) { | |
1301 | goto error; | |
1302 | } | |
1303 | ||
1304 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1305 | array_length = array_type->length; | |
fe0fe95c | 1306 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1307 | if (!array->elements) { |
1308 | goto error; | |
1309 | } | |
1310 | ||
fe0fe95c JG |
1311 | g_ptr_array_set_free_func(array->elements, |
1312 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1313 | g_ptr_array_set_size(array->elements, array_length); |
1314 | return &array->parent; | |
1315 | error: | |
1316 | g_free(array); | |
1317 | return NULL; | |
1318 | } | |
1319 | ||
1320 | static | |
1321 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1322 | struct bt_ctf_field_type *type) | |
1323 | { | |
1324 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1325 | struct bt_ctf_field_sequence, 1); | |
1326 | return sequence ? &sequence->parent : NULL; | |
1327 | } | |
1328 | ||
1329 | static | |
1330 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1331 | { | |
1332 | struct bt_ctf_field_string *string = g_new0( | |
1333 | struct bt_ctf_field_string, 1); | |
1334 | return string ? &string->parent : NULL; | |
1335 | } | |
1336 | ||
1337 | static | |
83509119 | 1338 | void bt_ctf_field_destroy(struct bt_object *obj) |
273b65be JG |
1339 | { |
1340 | struct bt_ctf_field *field; | |
1341 | struct bt_ctf_field_type *type; | |
1342 | enum ctf_type_id type_id; | |
1343 | ||
83509119 | 1344 | field = container_of(obj, struct bt_ctf_field, base); |
273b65be JG |
1345 | type = field->type; |
1346 | type_id = bt_ctf_field_type_get_type_id(type); | |
1347 | if (type_id <= CTF_TYPE_UNKNOWN || | |
1348 | type_id >= NR_CTF_TYPES) { | |
1349 | return; | |
1350 | } | |
1351 | ||
1352 | field_destroy_funcs[type_id](field); | |
83509119 | 1353 | bt_put(type); |
273b65be JG |
1354 | } |
1355 | ||
1356 | static | |
1357 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1358 | { | |
1359 | struct bt_ctf_field_integer *integer; | |
1360 | ||
1361 | if (!field) { | |
1362 | return; | |
1363 | } | |
1364 | ||
1365 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1366 | g_free(integer); | |
1367 | } | |
1368 | ||
1369 | static | |
1370 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1371 | { | |
1372 | struct bt_ctf_field_enumeration *enumeration; | |
1373 | ||
1374 | if (!field) { | |
1375 | return; | |
1376 | } | |
1377 | ||
1378 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1379 | parent); | |
83509119 | 1380 | bt_put(enumeration->payload); |
273b65be JG |
1381 | g_free(enumeration); |
1382 | } | |
1383 | ||
1384 | static | |
1385 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1386 | { | |
1387 | struct bt_ctf_field_floating_point *floating_point; | |
1388 | ||
1389 | if (!field) { | |
1390 | return; | |
1391 | } | |
1392 | ||
1393 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1394 | parent); | |
1395 | g_free(floating_point); | |
1396 | } | |
1397 | ||
1398 | static | |
1399 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1400 | { | |
1401 | struct bt_ctf_field_structure *structure; | |
1402 | ||
1403 | if (!field) { | |
1404 | return; | |
1405 | } | |
1406 | ||
1407 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1408 | g_ptr_array_free(structure->fields, TRUE); | |
1409 | g_free(structure); | |
1410 | } | |
1411 | ||
1412 | static | |
1413 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1414 | { | |
1415 | struct bt_ctf_field_variant *variant; | |
1416 | ||
1417 | if (!field) { | |
1418 | return; | |
1419 | } | |
1420 | ||
1421 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
83509119 JG |
1422 | bt_put(variant->tag); |
1423 | bt_put(variant->payload); | |
273b65be JG |
1424 | g_free(variant); |
1425 | } | |
1426 | ||
1427 | static | |
1428 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1429 | { | |
1430 | struct bt_ctf_field_array *array; | |
1431 | ||
1432 | if (!field) { | |
1433 | return; | |
1434 | } | |
1435 | ||
1436 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1437 | g_ptr_array_free(array->elements, TRUE); | |
1438 | g_free(array); | |
1439 | } | |
1440 | ||
1441 | static | |
1442 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1443 | { | |
1444 | struct bt_ctf_field_sequence *sequence; | |
1445 | ||
1446 | if (!field) { | |
1447 | return; | |
1448 | } | |
1449 | ||
1450 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1451 | if (sequence->elements) { |
1452 | g_ptr_array_free(sequence->elements, TRUE); | |
1453 | } | |
83509119 | 1454 | bt_put(sequence->length); |
273b65be JG |
1455 | g_free(sequence); |
1456 | } | |
1457 | ||
1458 | static | |
1459 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1460 | { | |
1461 | struct bt_ctf_field_string *string; | |
1462 | if (!field) { | |
1463 | return; | |
1464 | } | |
1465 | ||
1466 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1467 | if (string->payload) { |
1468 | g_string_free(string->payload, TRUE); | |
1469 | } | |
273b65be JG |
1470 | g_free(string); |
1471 | } | |
1472 | ||
1473 | static | |
1474 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1475 | { | |
da2f6971 | 1476 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1477 | } |
1478 | ||
1479 | static | |
1480 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1481 | { | |
1482 | int ret; | |
1483 | struct bt_ctf_field_enumeration *enumeration; | |
1484 | ||
1485 | if (!field) { | |
1486 | ret = -1; | |
1487 | goto end; | |
1488 | } | |
1489 | ||
1490 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1491 | parent); | |
1492 | if (!enumeration->payload) { | |
1493 | ret = -1; | |
1494 | goto end; | |
1495 | } | |
1496 | ||
1497 | ret = bt_ctf_field_validate(enumeration->payload); | |
1498 | end: | |
1499 | return ret; | |
1500 | } | |
1501 | ||
1502 | static | |
1503 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1504 | { | |
1505 | size_t i; | |
1506 | int ret = 0; | |
1507 | struct bt_ctf_field_structure *structure; | |
1508 | ||
1509 | if (!field) { | |
1510 | ret = -1; | |
1511 | goto end; | |
1512 | } | |
1513 | ||
1514 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1515 | for (i = 0; i < structure->fields->len; i++) { | |
1516 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1517 | if (ret) { | |
1518 | goto end; | |
1519 | } | |
1520 | } | |
1521 | end: | |
1522 | return ret; | |
1523 | } | |
1524 | ||
1525 | static | |
1526 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1527 | { | |
1528 | int ret = 0; | |
1529 | struct bt_ctf_field_variant *variant; | |
1530 | ||
1531 | if (!field) { | |
1532 | ret = -1; | |
1533 | goto end; | |
1534 | } | |
1535 | ||
1536 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1537 | ret = bt_ctf_field_validate(variant->payload); | |
1538 | end: | |
1539 | return ret; | |
1540 | } | |
1541 | ||
1542 | static | |
1543 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1544 | { | |
1545 | size_t i; | |
1546 | int ret = 0; | |
1547 | struct bt_ctf_field_array *array; | |
1548 | ||
1549 | if (!field) { | |
1550 | ret = -1; | |
1551 | goto end; | |
1552 | } | |
1553 | ||
1554 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1555 | for (i = 0; i < array->elements->len; i++) { | |
1556 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1557 | if (ret) { | |
1558 | goto end; | |
1559 | } | |
1560 | } | |
1561 | end: | |
1562 | return ret; | |
1563 | } | |
1564 | ||
1565 | static | |
1566 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1567 | { | |
1568 | size_t i; | |
1569 | int ret = 0; | |
1570 | struct bt_ctf_field_sequence *sequence; | |
1571 | ||
1572 | if (!field) { | |
1573 | ret = -1; | |
1574 | goto end; | |
1575 | } | |
1576 | ||
1577 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1578 | for (i = 0; i < sequence->elements->len; i++) { | |
1579 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1580 | if (ret) { | |
1581 | goto end; | |
1582 | } | |
1583 | } | |
1584 | end: | |
1585 | return ret; | |
1586 | } | |
1587 | ||
12c8a1a3 JG |
1588 | static |
1589 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1590 | { | |
1591 | int ret = 0; | |
1592 | ||
1593 | if (!field) { | |
1594 | ret = -1; | |
1595 | goto end; | |
1596 | } | |
1597 | ||
1598 | field->payload_set = 0; | |
1599 | end: | |
1600 | return ret; | |
1601 | } | |
1602 | ||
1603 | static | |
1604 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1605 | { | |
1606 | int ret = 0; | |
1607 | struct bt_ctf_field_enumeration *enumeration; | |
1608 | ||
1609 | if (!field) { | |
1610 | ret = -1; | |
1611 | goto end; | |
1612 | } | |
1613 | ||
1614 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1615 | parent); | |
1616 | if (!enumeration->payload) { | |
1617 | goto end; | |
1618 | } | |
1619 | ||
1620 | ret = bt_ctf_field_reset(enumeration->payload); | |
1621 | end: | |
1622 | return ret; | |
1623 | } | |
1624 | ||
1625 | static | |
1626 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1627 | { | |
1628 | size_t i; | |
1629 | int ret = 0; | |
1630 | struct bt_ctf_field_structure *structure; | |
1631 | ||
1632 | if (!field) { | |
1633 | ret = -1; | |
1634 | goto end; | |
1635 | } | |
1636 | ||
1637 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1638 | for (i = 0; i < structure->fields->len; i++) { | |
1639 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1640 | ||
1641 | if (!member) { | |
1642 | /* | |
1643 | * Structure members are lazily initialized; skip if | |
1644 | * this member has not been allocated yet. | |
1645 | */ | |
1646 | continue; | |
1647 | } | |
1648 | ||
1649 | ret = bt_ctf_field_reset(member); | |
1650 | if (ret) { | |
1651 | goto end; | |
1652 | } | |
1653 | } | |
1654 | end: | |
1655 | return ret; | |
1656 | } | |
1657 | ||
1658 | static | |
1659 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1660 | { | |
1661 | int ret = 0; | |
1662 | struct bt_ctf_field_variant *variant; | |
1663 | ||
1664 | if (!field) { | |
1665 | ret = -1; | |
1666 | goto end; | |
1667 | } | |
1668 | ||
1669 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1670 | if (variant->payload) { | |
1671 | ret = bt_ctf_field_reset(variant->payload); | |
1672 | } | |
1673 | end: | |
1674 | return ret; | |
1675 | } | |
1676 | ||
1677 | static | |
1678 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1679 | { | |
1680 | size_t i; | |
1681 | int ret = 0; | |
1682 | struct bt_ctf_field_array *array; | |
1683 | ||
1684 | if (!field) { | |
1685 | ret = -1; | |
1686 | goto end; | |
1687 | } | |
1688 | ||
1689 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1690 | for (i = 0; i < array->elements->len; i++) { | |
1691 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1692 | ||
1693 | if (!member) { | |
1694 | /* | |
1695 | * Array elements are lazily initialized; skip if | |
1696 | * this member has not been allocated yet. | |
1697 | */ | |
1698 | continue; | |
1699 | } | |
1700 | ||
1701 | ret = bt_ctf_field_reset(member); | |
1702 | if (ret) { | |
1703 | goto end; | |
1704 | } | |
1705 | } | |
1706 | end: | |
1707 | return ret; | |
1708 | } | |
1709 | ||
1710 | static | |
1711 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1712 | { | |
1713 | size_t i; | |
1714 | int ret = 0; | |
1715 | struct bt_ctf_field_sequence *sequence; | |
1716 | ||
1717 | if (!field) { | |
1718 | ret = -1; | |
1719 | goto end; | |
1720 | } | |
1721 | ||
1722 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1723 | for (i = 0; i < sequence->elements->len; i++) { | |
1724 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1725 | ||
1726 | if (!member) { | |
1727 | /* | |
1728 | * Sequence elements are lazily initialized; skip if | |
1729 | * this member has not been allocated yet. | |
1730 | */ | |
1731 | continue; | |
1732 | } | |
1733 | ||
1734 | ret = bt_ctf_field_reset(member); | |
1735 | if (ret) { | |
1736 | goto end; | |
1737 | } | |
1738 | } | |
1739 | end: | |
1740 | return ret; | |
1741 | } | |
1742 | ||
1743 | static | |
1744 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1745 | { | |
1746 | int ret = 0; | |
1747 | struct bt_ctf_field_string *string; | |
1748 | ||
1749 | if (!field) { | |
1750 | ret = -1; | |
1751 | goto end; | |
1752 | } | |
1753 | ||
1754 | ret = bt_ctf_field_generic_reset(field); | |
1755 | if (ret) { | |
1756 | goto end; | |
1757 | } | |
1758 | ||
1759 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1760 | if (string->payload) { | |
1761 | g_string_truncate(string->payload, 0); | |
1762 | } | |
1763 | end: | |
1764 | return ret; | |
1765 | } | |
1766 | ||
273b65be JG |
1767 | static |
1768 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1769 | struct ctf_stream_pos *pos) | |
1770 | { | |
1771 | int ret = 0; | |
1772 | struct bt_ctf_field_integer *integer = container_of(field, | |
1773 | struct bt_ctf_field_integer, parent); | |
1774 | ||
1775 | retry: | |
1776 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1777 | if (ret == -EFAULT) { | |
1778 | /* | |
1779 | * The field is too large to fit in the current packet's | |
1780 | * remaining space. Bump the packet size and retry. | |
1781 | */ | |
1782 | ret = increase_packet_size(pos); | |
1783 | if (ret) { | |
1784 | goto end; | |
1785 | } | |
1786 | goto retry; | |
1787 | } | |
1788 | end: | |
1789 | return ret; | |
1790 | } | |
1791 | ||
1792 | static | |
1793 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1794 | struct ctf_stream_pos *pos) | |
1795 | { | |
1796 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1797 | field, struct bt_ctf_field_enumeration, parent); | |
1798 | ||
1799 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1800 | } | |
1801 | ||
1802 | static | |
1803 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1804 | struct ctf_stream_pos *pos) | |
1805 | { | |
1806 | int ret = 0; | |
1807 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1808 | struct bt_ctf_field_floating_point, parent); | |
1809 | ||
1810 | retry: | |
1811 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1812 | if (ret == -EFAULT) { | |
1813 | /* | |
1814 | * The field is too large to fit in the current packet's | |
1815 | * remaining space. Bump the packet size and retry. | |
1816 | */ | |
1817 | ret = increase_packet_size(pos); | |
1818 | if (ret) { | |
1819 | goto end; | |
1820 | } | |
1821 | goto retry; | |
1822 | } | |
1823 | end: | |
1824 | return ret; | |
1825 | } | |
1826 | ||
1827 | static | |
1828 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1829 | struct ctf_stream_pos *pos) | |
1830 | { | |
1831 | size_t i; | |
1832 | int ret = 0; | |
1833 | struct bt_ctf_field_structure *structure = container_of( | |
1834 | field, struct bt_ctf_field_structure, parent); | |
1835 | ||
1836 | while (!ctf_pos_access_ok(pos, | |
1837 | offset_align(pos->offset, | |
1838 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1839 | ret = increase_packet_size(pos); |
1840 | if (ret) { | |
1841 | goto end; | |
1842 | } | |
273b65be JG |
1843 | } |
1844 | ||
70fd5a51 MD |
1845 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1846 | ret = -1; | |
1847 | goto end; | |
1848 | } | |
273b65be JG |
1849 | |
1850 | for (i = 0; i < structure->fields->len; i++) { | |
1851 | struct bt_ctf_field *field = g_ptr_array_index( | |
1852 | structure->fields, i); | |
1853 | ||
1854 | ret = bt_ctf_field_serialize(field, pos); | |
1855 | if (ret) { | |
1856 | break; | |
1857 | } | |
1858 | } | |
9f56e450 | 1859 | end: |
273b65be JG |
1860 | return ret; |
1861 | } | |
1862 | ||
1863 | static | |
1864 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1865 | struct ctf_stream_pos *pos) | |
1866 | { | |
1867 | struct bt_ctf_field_variant *variant = container_of( | |
1868 | field, struct bt_ctf_field_variant, parent); | |
1869 | ||
1870 | return bt_ctf_field_serialize(variant->payload, pos); | |
1871 | } | |
1872 | ||
1873 | static | |
1874 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1875 | struct ctf_stream_pos *pos) | |
1876 | { | |
1877 | size_t i; | |
1878 | int ret = 0; | |
1879 | struct bt_ctf_field_array *array = container_of( | |
1880 | field, struct bt_ctf_field_array, parent); | |
1881 | ||
1882 | for (i = 0; i < array->elements->len; i++) { | |
1883 | ret = bt_ctf_field_serialize( | |
1884 | g_ptr_array_index(array->elements, i), pos); | |
1885 | if (ret) { | |
1886 | goto end; | |
1887 | } | |
1888 | } | |
1889 | end: | |
1890 | return ret; | |
1891 | } | |
1892 | ||
1893 | static | |
1894 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1895 | struct ctf_stream_pos *pos) | |
1896 | { | |
1897 | size_t i; | |
1898 | int ret = 0; | |
1899 | struct bt_ctf_field_sequence *sequence = container_of( | |
1900 | field, struct bt_ctf_field_sequence, parent); | |
1901 | ||
1902 | for (i = 0; i < sequence->elements->len; i++) { | |
1903 | ret = bt_ctf_field_serialize( | |
1904 | g_ptr_array_index(sequence->elements, i), pos); | |
1905 | if (ret) { | |
1906 | goto end; | |
1907 | } | |
1908 | } | |
1909 | end: | |
1910 | return ret; | |
1911 | } | |
1912 | ||
1913 | static | |
1914 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1915 | struct ctf_stream_pos *pos) | |
1916 | { | |
1917 | size_t i; | |
1918 | int ret = 0; | |
1919 | struct bt_ctf_field_string *string = container_of(field, | |
1920 | struct bt_ctf_field_string, parent); | |
1921 | struct bt_ctf_field_type *character_type = | |
1922 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1923 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1924 | ||
1925 | for (i = 0; i < string->payload->len + 1; i++) { | |
1926 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1927 | (uint64_t) string->payload->str[i]); | |
1928 | if (ret) { | |
1929 | goto end; | |
1930 | } | |
1931 | ||
1932 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1933 | if (ret) { | |
1934 | goto end; | |
1935 | } | |
1936 | } | |
1937 | end: | |
83509119 JG |
1938 | bt_put(character); |
1939 | bt_put(character_type); | |
273b65be JG |
1940 | return ret; |
1941 | } | |
1942 | ||
87d43dc1 JG |
1943 | static |
1944 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
1945 | struct bt_ctf_field *dst) | |
1946 | { | |
1947 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
1948 | ||
1949 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 1950 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
1951 | |
1952 | memcpy(&integer_dst->definition, &integer_src->definition, | |
1953 | sizeof(struct definition_integer)); | |
1954 | return 0; | |
1955 | } | |
1956 | ||
1957 | static | |
1958 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
1959 | struct bt_ctf_field *dst) | |
1960 | { | |
1961 | int ret = 0; | |
1962 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
1963 | ||
1964 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
1965 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
1966 | ||
1967 | if (enum_src->payload) { | |
1968 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
1969 | if (!enum_dst->payload) { | |
1970 | ret = -1; | |
1971 | goto end; | |
1972 | } | |
1973 | } | |
1974 | end: | |
1975 | return ret; | |
1976 | } | |
1977 | ||
1978 | static | |
1979 | int bt_ctf_field_floating_point_copy( | |
1980 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
1981 | { | |
1982 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
1983 | ||
1984 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
1985 | parent); | |
1986 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
1987 | parent); | |
1988 | ||
1989 | memcpy(&float_dst->definition, &float_src->definition, | |
1990 | sizeof(struct definition_float)); | |
1991 | memcpy(&float_dst->sign, &float_src->sign, | |
1992 | sizeof(struct definition_integer)); | |
1993 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
1994 | sizeof(struct definition_integer)); | |
1995 | memcpy(&float_dst->exp, &float_src->exp, | |
1996 | sizeof(struct definition_integer)); | |
1997 | return 0; | |
1998 | } | |
1999 | ||
2000 | static | |
2001 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
2002 | struct bt_ctf_field *dst) | |
2003 | { | |
8bfa3f9c | 2004 | int ret = 0, i; |
87d43dc1 JG |
2005 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
2006 | ||
2007 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
2008 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
2009 | ||
8bfa3f9c | 2010 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 2011 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 2012 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
2013 | |
2014 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
2015 | struct bt_ctf_field *field = |
2016 | g_ptr_array_index(struct_src->fields, i); | |
2017 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2018 | |
50fd95bf PP |
2019 | if (field) { |
2020 | field_copy = bt_ctf_field_copy(field); | |
2021 | ||
2022 | if (!field_copy) { | |
2023 | ret = -1; | |
2024 | goto end; | |
2025 | } | |
87d43dc1 | 2026 | } |
50fd95bf | 2027 | |
8bfa3f9c | 2028 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
2029 | } |
2030 | end: | |
2031 | return ret; | |
2032 | } | |
2033 | ||
2034 | static | |
2035 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
2036 | struct bt_ctf_field *dst) | |
2037 | { | |
2038 | int ret = 0; | |
2039 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
2040 | ||
2041 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
2042 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
2043 | ||
2044 | if (variant_src->tag) { | |
2045 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
2046 | if (!variant_dst->tag) { | |
2047 | ret = -1; | |
2048 | goto end; | |
2049 | } | |
2050 | } | |
2051 | if (variant_src->payload) { | |
2052 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
2053 | if (!variant_dst->payload) { | |
2054 | ret = -1; | |
2055 | goto end; | |
2056 | } | |
2057 | } | |
2058 | end: | |
2059 | return ret; | |
2060 | } | |
2061 | ||
2062 | static | |
2063 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2064 | struct bt_ctf_field *dst) | |
2065 | { | |
2066 | int ret = 0, i; | |
2067 | struct bt_ctf_field_array *array_src, *array_dst; | |
2068 | ||
2069 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2070 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2071 | ||
8bfa3f9c | 2072 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2073 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2074 | struct bt_ctf_field *field = |
2075 | g_ptr_array_index(array_src->elements, i); | |
2076 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2077 | |
50fd95bf PP |
2078 | if (field) { |
2079 | field_copy = bt_ctf_field_copy(field); | |
2080 | ||
2081 | if (!field_copy) { | |
2082 | ret = -1; | |
2083 | goto end; | |
2084 | } | |
87d43dc1 | 2085 | } |
50fd95bf | 2086 | |
8bfa3f9c | 2087 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2088 | } |
2089 | end: | |
2090 | return ret; | |
2091 | } | |
2092 | ||
2093 | static | |
2094 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2095 | struct bt_ctf_field *dst) | |
2096 | { | |
2097 | int ret = 0, i; | |
2098 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2099 | struct bt_ctf_field *src_length; |
2100 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2101 | |
2102 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2103 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2104 | ||
59ab494d PP |
2105 | src_length = bt_ctf_field_sequence_get_length(src); |
2106 | ||
2107 | if (!src_length) { | |
2108 | /* no length set yet: keep destination sequence empty */ | |
2109 | goto end; | |
2110 | } | |
2111 | ||
2112 | /* copy source length */ | |
2113 | dst_length = bt_ctf_field_copy(src_length); | |
83509119 | 2114 | bt_put(src_length); |
59ab494d PP |
2115 | |
2116 | if (!dst_length) { | |
2117 | ret = -1; | |
2118 | goto end; | |
2119 | } | |
2120 | ||
2121 | /* this will initialize the destination sequence's internal array */ | |
2122 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
83509119 | 2123 | bt_put(dst_length); |
59ab494d PP |
2124 | |
2125 | if (ret) { | |
2126 | goto end; | |
2127 | } | |
2128 | ||
2129 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2130 | ||
87d43dc1 | 2131 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2132 | struct bt_ctf_field *field = |
2133 | g_ptr_array_index(sequence_src->elements, i); | |
2134 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2135 | |
50fd95bf PP |
2136 | if (field) { |
2137 | field_copy = bt_ctf_field_copy(field); | |
2138 | ||
2139 | if (!field_copy) { | |
2140 | ret = -1; | |
2141 | goto end; | |
2142 | } | |
87d43dc1 | 2143 | } |
59ab494d | 2144 | |
8bfa3f9c | 2145 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2146 | } |
2147 | end: | |
2148 | return ret; | |
2149 | } | |
2150 | ||
2151 | static | |
2152 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2153 | struct bt_ctf_field *dst) | |
2154 | { | |
2155 | int ret = 0; | |
2156 | struct bt_ctf_field_string *string_src, *string_dst; | |
2157 | ||
2158 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2159 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2160 | ||
2161 | if (string_src->payload) { | |
2162 | string_dst->payload = g_string_new(string_src->payload->str); | |
2163 | if (!string_dst->payload) { | |
2164 | ret = -1; | |
2165 | goto end; | |
2166 | } | |
2167 | } | |
2168 | end: | |
2169 | return ret; | |
2170 | } | |
2171 | ||
273b65be JG |
2172 | static |
2173 | int increase_packet_size(struct ctf_stream_pos *pos) | |
2174 | { | |
2175 | int ret; | |
2176 | ||
2177 | assert(pos); | |
2178 | ret = munmap_align(pos->base_mma); | |
2179 | if (ret) { | |
2180 | goto end; | |
2181 | } | |
2182 | ||
2183 | pos->packet_size += PACKET_LEN_INCREMENT; | |
d9548894 MD |
2184 | do { |
2185 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
2186 | pos->packet_size / CHAR_BIT); | |
2187 | } while (ret == EINTR); | |
273b65be | 2188 | if (ret) { |
d9548894 MD |
2189 | errno = EINTR; |
2190 | ret = -1; | |
273b65be JG |
2191 | goto end; |
2192 | } | |
2193 | ||
2194 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2195 | pos->flags, pos->fd, pos->mmap_offset); | |
2196 | if (pos->base_mma == MAP_FAILED) { | |
2197 | ret = -1; | |
2198 | } | |
2199 | end: | |
2200 | return ret; | |
2201 | } |