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 JG |
34 | #include <babeltrace/compiler.h> |
35 | ||
36 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) | |
37 | ||
38 | static | |
39 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); | |
40 | static | |
41 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
42 | struct bt_ctf_field_type *); | |
43 | static | |
44 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
45 | struct bt_ctf_field_type *); | |
46 | static | |
47 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
48 | struct bt_ctf_field_type *); | |
49 | static | |
50 | struct bt_ctf_field *bt_ctf_field_variant_create( | |
51 | struct bt_ctf_field_type *); | |
52 | static | |
53 | struct bt_ctf_field *bt_ctf_field_array_create( | |
54 | struct bt_ctf_field_type *); | |
55 | static | |
56 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
57 | struct bt_ctf_field_type *); | |
58 | static | |
59 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); | |
60 | ||
61 | static | |
83509119 | 62 | void bt_ctf_field_destroy(struct bt_object *); |
273b65be JG |
63 | static |
64 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); | |
65 | static | |
66 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); | |
67 | static | |
68 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); | |
69 | static | |
70 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); | |
71 | static | |
72 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); | |
73 | static | |
74 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); | |
75 | static | |
76 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); | |
77 | static | |
78 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); | |
79 | ||
80 | static | |
ca116246 | 81 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
273b65be | 82 | static |
ca116246 | 83 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
273b65be | 84 | static |
ca116246 | 85 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
273b65be | 86 | static |
ca116246 | 87 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
273b65be | 88 | static |
ca116246 | 89 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
273b65be | 90 | static |
ca116246 | 91 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
273b65be | 92 | |
12c8a1a3 | 93 | static |
ca116246 | 94 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
12c8a1a3 | 95 | static |
ca116246 | 96 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
12c8a1a3 | 97 | static |
ca116246 | 98 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
12c8a1a3 | 99 | static |
ca116246 | 100 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
12c8a1a3 | 101 | static |
ca116246 | 102 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
12c8a1a3 | 103 | static |
ca116246 | 104 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
12c8a1a3 | 105 | static |
ca116246 | 106 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
12c8a1a3 | 107 | |
273b65be JG |
108 | static |
109 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
110 | struct ctf_stream_pos *); | |
111 | static | |
112 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
113 | struct ctf_stream_pos *); | |
114 | static | |
115 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
116 | struct ctf_stream_pos *); | |
117 | static | |
118 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
119 | struct ctf_stream_pos *); | |
120 | static | |
121 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
122 | struct ctf_stream_pos *); | |
123 | static | |
124 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
125 | struct ctf_stream_pos *); | |
126 | static | |
127 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
128 | struct ctf_stream_pos *); | |
129 | static | |
130 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
131 | struct ctf_stream_pos *); | |
132 | ||
87d43dc1 JG |
133 | static |
134 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
135 | static | |
136 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
137 | static | |
138 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, | |
139 | struct bt_ctf_field *); | |
140 | static | |
141 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
142 | static | |
143 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
144 | static | |
145 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
146 | static | |
147 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
148 | static | |
149 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
150 | ||
273b65be JG |
151 | static |
152 | int increase_packet_size(struct ctf_stream_pos *pos); | |
153 | ||
154 | static | |
ce6da4fd | 155 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be JG |
156 | struct bt_ctf_field_type *) = { |
157 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_create, | |
158 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create, | |
159 | [CTF_TYPE_FLOAT] = | |
160 | bt_ctf_field_floating_point_create, | |
161 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_create, | |
162 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_create, | |
163 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_create, | |
164 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_create, | |
165 | [CTF_TYPE_STRING] = bt_ctf_field_string_create, | |
166 | }; | |
167 | ||
168 | static | |
ce6da4fd | 169 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
273b65be JG |
170 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy, |
171 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy, | |
172 | [CTF_TYPE_FLOAT] = | |
173 | bt_ctf_field_floating_point_destroy, | |
174 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_destroy, | |
175 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_destroy, | |
176 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_destroy, | |
177 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
178 | [CTF_TYPE_STRING] = bt_ctf_field_string_destroy, | |
179 | }; | |
180 | ||
181 | static | |
ce6da4fd | 182 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
273b65be JG |
183 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate, |
184 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate, | |
185 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate, | |
186 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_validate, | |
187 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_validate, | |
188 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_validate, | |
189 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_validate, | |
190 | [CTF_TYPE_STRING] = bt_ctf_field_generic_validate, | |
191 | }; | |
192 | ||
12c8a1a3 | 193 | static |
ce6da4fd | 194 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
12c8a1a3 JG |
195 | [CTF_TYPE_INTEGER] = bt_ctf_field_generic_reset, |
196 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_reset, | |
197 | [CTF_TYPE_FLOAT] = bt_ctf_field_generic_reset, | |
198 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_reset, | |
199 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_reset, | |
200 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_reset, | |
201 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_reset, | |
202 | [CTF_TYPE_STRING] = bt_ctf_field_string_reset, | |
203 | }; | |
204 | ||
273b65be | 205 | static |
ce6da4fd | 206 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
273b65be JG |
207 | struct ctf_stream_pos *) = { |
208 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize, | |
209 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize, | |
210 | [CTF_TYPE_FLOAT] = | |
211 | bt_ctf_field_floating_point_serialize, | |
212 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_serialize, | |
213 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_serialize, | |
214 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_serialize, | |
215 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
216 | [CTF_TYPE_STRING] = bt_ctf_field_string_serialize, | |
217 | }; | |
218 | ||
87d43dc1 | 219 | static |
ce6da4fd JG |
220 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
221 | struct bt_ctf_field *) = { | |
87d43dc1 JG |
222 | [CTF_TYPE_INTEGER] = bt_ctf_field_integer_copy, |
223 | [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_copy, | |
224 | [CTF_TYPE_FLOAT] = bt_ctf_field_floating_point_copy, | |
225 | [CTF_TYPE_STRUCT] = bt_ctf_field_structure_copy, | |
226 | [CTF_TYPE_VARIANT] = bt_ctf_field_variant_copy, | |
227 | [CTF_TYPE_ARRAY] = bt_ctf_field_array_copy, | |
228 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_copy, | |
229 | [CTF_TYPE_STRING] = bt_ctf_field_string_copy, | |
230 | }; | |
231 | ||
273b65be JG |
232 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
233 | { | |
234 | struct bt_ctf_field *field = NULL; | |
235 | enum ctf_type_id type_id; | |
236 | ||
237 | if (!type) { | |
238 | goto error; | |
239 | } | |
240 | ||
241 | type_id = bt_ctf_field_type_get_type_id(type); | |
9ce21c30 JG |
242 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES || |
243 | bt_ctf_field_type_validate(type)) { | |
273b65be JG |
244 | goto error; |
245 | } | |
246 | ||
247 | field = field_create_funcs[type_id](type); | |
248 | if (!field) { | |
249 | goto error; | |
250 | } | |
251 | ||
252 | /* The type's declaration can't change after this point */ | |
253 | bt_ctf_field_type_freeze(type); | |
83509119 JG |
254 | bt_get(type); |
255 | bt_object_init(field, bt_ctf_field_destroy); | |
273b65be JG |
256 | field->type = type; |
257 | error: | |
258 | return field; | |
259 | } | |
260 | ||
261 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
262 | { | |
83509119 | 263 | bt_get(field); |
273b65be JG |
264 | } |
265 | ||
266 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
267 | { | |
83509119 | 268 | bt_put(field); |
273b65be JG |
269 | } |
270 | ||
cd95e351 JG |
271 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
272 | { | |
273 | struct bt_ctf_field_type *ret = NULL; | |
274 | ||
275 | if (!field) { | |
276 | goto end; | |
277 | } | |
278 | ||
279 | ret = field->type; | |
83509119 | 280 | bt_get(ret); |
cd95e351 JG |
281 | end: |
282 | return ret; | |
283 | } | |
284 | ||
285 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( | |
286 | struct bt_ctf_field *field) | |
287 | { | |
288 | struct bt_ctf_field *ret = NULL; | |
289 | struct bt_ctf_field_sequence *sequence; | |
290 | ||
291 | if (!field) { | |
292 | goto end; | |
293 | } | |
294 | ||
295 | if (bt_ctf_field_type_get_type_id(field->type) != | |
296 | CTF_TYPE_SEQUENCE) { | |
297 | goto end; | |
298 | } | |
299 | ||
300 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
301 | ret = sequence->length; | |
83509119 | 302 | bt_get(ret); |
cd95e351 JG |
303 | end: |
304 | return ret; | |
305 | } | |
306 | ||
273b65be JG |
307 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
308 | struct bt_ctf_field *length_field) | |
309 | { | |
310 | int ret = 0; | |
311 | struct bt_ctf_field_type_integer *length_type; | |
312 | struct bt_ctf_field_integer *length; | |
313 | struct bt_ctf_field_sequence *sequence; | |
314 | uint64_t sequence_length; | |
315 | ||
316 | if (!field || !length_field) { | |
317 | ret = -1; | |
318 | goto end; | |
319 | } | |
320 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
321 | CTF_TYPE_INTEGER) { | |
322 | ret = -1; | |
323 | goto end; | |
324 | } | |
325 | ||
326 | length_type = container_of(length_field->type, | |
327 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 328 | /* The length field must be unsigned */ |
273b65be JG |
329 | if (length_type->declaration.signedness) { |
330 | ret = -1; | |
331 | goto end; | |
332 | } | |
333 | ||
334 | length = container_of(length_field, struct bt_ctf_field_integer, | |
335 | parent); | |
336 | sequence_length = length->definition.value._unsigned; | |
337 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
338 | if (sequence->elements) { | |
339 | g_ptr_array_free(sequence->elements, TRUE); | |
83509119 | 340 | bt_put(sequence->length); |
273b65be JG |
341 | } |
342 | ||
fe0fe95c | 343 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
344 | if (!sequence->elements) { |
345 | ret = -1; | |
346 | goto end; | |
347 | } | |
348 | ||
fe0fe95c | 349 | g_ptr_array_set_free_func(sequence->elements, |
83509119 JG |
350 | (GDestroyNotify) bt_put); |
351 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); | |
352 | bt_get(length_field); | |
273b65be JG |
353 | sequence->length = length_field; |
354 | end: | |
355 | return ret; | |
356 | } | |
357 | ||
358 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
359 | struct bt_ctf_field *field, const char *name) | |
360 | { | |
361 | struct bt_ctf_field *new_field = NULL; | |
362 | GQuark field_quark; | |
363 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 364 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
365 | size_t index; |
366 | ||
367 | if (!field || !name || | |
368 | bt_ctf_field_type_get_type_id(field->type) != | |
369 | CTF_TYPE_STRUCT) { | |
370 | goto error; | |
371 | } | |
372 | ||
373 | field_quark = g_quark_from_string(name); | |
374 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
375 | field_type = |
376 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
377 | name); | |
273b65be JG |
378 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
379 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
380 | goto error; | |
381 | } | |
382 | ||
383 | if (structure->fields->pdata[index]) { | |
384 | new_field = structure->fields->pdata[index]; | |
385 | goto end; | |
386 | } | |
387 | ||
388 | new_field = bt_ctf_field_create(field_type); | |
389 | if (!new_field) { | |
390 | goto error; | |
391 | } | |
392 | ||
393 | structure->fields->pdata[index] = new_field; | |
394 | end: | |
83509119 | 395 | bt_get(new_field); |
273b65be | 396 | error: |
b92ddaaa | 397 | if (field_type) { |
83509119 | 398 | bt_put(field_type); |
b92ddaaa | 399 | } |
273b65be JG |
400 | return new_field; |
401 | } | |
402 | ||
cd95e351 | 403 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 404 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
405 | { |
406 | int ret; | |
407 | const char *field_name; | |
408 | struct bt_ctf_field_structure *structure; | |
409 | struct bt_ctf_field_type *structure_type; | |
410 | struct bt_ctf_field_type *field_type = NULL; | |
411 | struct bt_ctf_field *ret_field = NULL; | |
412 | ||
413 | if (!field || | |
414 | bt_ctf_field_type_get_type_id(field->type) != CTF_TYPE_STRUCT) { | |
415 | goto end; | |
416 | } | |
417 | ||
418 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
419 | if (index >= structure->fields->len) { | |
420 | goto error; | |
421 | } | |
422 | ||
423 | ret_field = structure->fields->pdata[index]; | |
424 | if (ret_field) { | |
425 | goto end; | |
426 | } | |
427 | ||
428 | /* Field has not been instanciated yet, create it */ | |
429 | structure_type = bt_ctf_field_get_type(field); | |
430 | if (!structure_type) { | |
431 | goto error; | |
432 | } | |
433 | ||
434 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
435 | &field_name, &field_type, index); | |
83509119 | 436 | bt_put(structure_type); |
cd95e351 JG |
437 | if (ret) { |
438 | goto error; | |
439 | } | |
440 | ||
441 | ret_field = bt_ctf_field_create(field_type); | |
442 | if (!ret_field) { | |
443 | goto error; | |
444 | } | |
445 | ||
446 | structure->fields->pdata[index] = ret_field; | |
447 | end: | |
83509119 | 448 | bt_get(ret_field); |
cd95e351 | 449 | error: |
83509119 | 450 | bt_put(field_type); |
cd95e351 JG |
451 | return ret_field; |
452 | } | |
453 | ||
273b65be JG |
454 | BT_HIDDEN |
455 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
456 | const char *name, struct bt_ctf_field *value) | |
457 | { | |
458 | int ret = 0; | |
459 | GQuark field_quark; | |
460 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 461 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
462 | size_t index; |
463 | ||
464 | if (!field || !name || !value || | |
465 | bt_ctf_field_type_get_type_id(field->type) != | |
466 | CTF_TYPE_STRUCT) { | |
467 | ret = -1; | |
468 | goto end; | |
469 | } | |
470 | ||
471 | field_quark = g_quark_from_string(name); | |
472 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
473 | expected_field_type = |
474 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
475 | name); | |
273b65be JG |
476 | if (expected_field_type != value->type) { |
477 | ret = -1; | |
478 | goto end; | |
479 | } | |
480 | ||
481 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
482 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
483 | goto end; | |
484 | } | |
485 | ||
486 | if (structure->fields->pdata[index]) { | |
83509119 | 487 | bt_put(structure->fields->pdata[index]); |
273b65be JG |
488 | } |
489 | ||
490 | structure->fields->pdata[index] = value; | |
83509119 | 491 | bt_get(value); |
273b65be | 492 | end: |
b92ddaaa | 493 | if (expected_field_type) { |
83509119 | 494 | bt_put(expected_field_type); |
b92ddaaa | 495 | } |
273b65be JG |
496 | return ret; |
497 | } | |
498 | ||
499 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
500 | uint64_t index) | |
501 | { | |
502 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 503 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 504 | struct bt_ctf_field_array *array; |
273b65be JG |
505 | |
506 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
507 | CTF_TYPE_ARRAY) { | |
508 | goto end; | |
509 | } | |
510 | ||
511 | array = container_of(field, struct bt_ctf_field_array, parent); | |
512 | if (index >= array->elements->len) { | |
513 | goto end; | |
514 | } | |
515 | ||
b92ddaaa | 516 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
517 | if (array->elements->pdata[(size_t)index]) { |
518 | new_field = array->elements->pdata[(size_t)index]; | |
519 | goto end; | |
520 | } | |
521 | ||
522 | new_field = bt_ctf_field_create(field_type); | |
273b65be JG |
523 | array->elements->pdata[(size_t)index] = new_field; |
524 | end: | |
b92ddaaa | 525 | if (field_type) { |
83509119 | 526 | bt_put(field_type); |
b92ddaaa | 527 | } |
92c8b4f9 | 528 | if (new_field) { |
83509119 | 529 | bt_get(new_field); |
92c8b4f9 | 530 | } |
273b65be JG |
531 | return new_field; |
532 | } | |
533 | ||
534 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
535 | uint64_t index) | |
536 | { | |
537 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 538 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 539 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
540 | |
541 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
542 | CTF_TYPE_SEQUENCE) { | |
543 | goto end; | |
544 | } | |
545 | ||
546 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
547 | if (!sequence->elements || sequence->elements->len <= index) { | |
548 | goto end; | |
549 | } | |
550 | ||
b92ddaaa | 551 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
83509119 JG |
552 | if (sequence->elements->pdata[(size_t) index]) { |
553 | new_field = sequence->elements->pdata[(size_t) index]; | |
273b65be JG |
554 | goto end; |
555 | } | |
556 | ||
557 | new_field = bt_ctf_field_create(field_type); | |
83509119 | 558 | sequence->elements->pdata[(size_t) index] = new_field; |
273b65be | 559 | end: |
b92ddaaa | 560 | if (field_type) { |
83509119 | 561 | bt_put(field_type); |
b92ddaaa | 562 | } |
92c8b4f9 | 563 | if (new_field) { |
83509119 | 564 | bt_get(new_field); |
92c8b4f9 | 565 | } |
273b65be JG |
566 | return new_field; |
567 | } | |
568 | ||
569 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
570 | struct bt_ctf_field *tag_field) | |
571 | { | |
572 | struct bt_ctf_field *new_field = NULL; | |
573 | struct bt_ctf_field_variant *variant; | |
574 | struct bt_ctf_field_type_variant *variant_type; | |
575 | struct bt_ctf_field_type *field_type; | |
576 | struct bt_ctf_field *tag_enum = NULL; | |
577 | struct bt_ctf_field_integer *tag_enum_integer; | |
578 | int64_t tag_enum_value; | |
579 | ||
580 | if (!field || !tag_field || | |
581 | bt_ctf_field_type_get_type_id(field->type) != | |
582 | CTF_TYPE_VARIANT || | |
583 | bt_ctf_field_type_get_type_id(tag_field->type) != | |
584 | CTF_TYPE_ENUM) { | |
585 | goto end; | |
586 | } | |
587 | ||
588 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
589 | variant_type = container_of(field->type, | |
590 | struct bt_ctf_field_type_variant, parent); | |
591 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
592 | if (!tag_enum) { | |
593 | goto end; | |
594 | } | |
595 | ||
596 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
597 | parent); | |
598 | ||
2c661a4d | 599 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
600 | goto end; |
601 | } | |
602 | ||
603 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
2829190c PP |
604 | |
605 | /* | |
606 | * If the variant currently has a tag and a payload, and if the | |
607 | * requested tag value is the same as the current one, return | |
608 | * the current payload instead of creating a fresh one. | |
609 | */ | |
610 | if (variant->tag && variant->payload) { | |
611 | struct bt_ctf_field *cur_tag_container = NULL; | |
612 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
613 | int64_t cur_tag_value; | |
614 | ||
615 | cur_tag_container = | |
616 | bt_ctf_field_enumeration_get_container(variant->tag); | |
617 | cur_tag_enum_integer = container_of(cur_tag_container, | |
618 | struct bt_ctf_field_integer, parent); | |
83509119 | 619 | bt_put(cur_tag_container); |
2829190c PP |
620 | cur_tag_value = cur_tag_enum_integer->definition.value._signed; |
621 | ||
622 | if (cur_tag_value == tag_enum_value) { | |
623 | new_field = variant->payload; | |
83509119 | 624 | bt_get(new_field); |
2829190c PP |
625 | goto end; |
626 | } | |
627 | } | |
628 | ||
b92ddaaa JG |
629 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
630 | variant_type, tag_enum_value); | |
273b65be JG |
631 | if (!field_type) { |
632 | goto end; | |
633 | } | |
634 | ||
635 | new_field = bt_ctf_field_create(field_type); | |
636 | if (!new_field) { | |
637 | goto end; | |
638 | } | |
639 | ||
83509119 JG |
640 | bt_put(variant->tag); |
641 | bt_put(variant->payload); | |
642 | bt_get(new_field); | |
643 | bt_get(tag_field); | |
273b65be JG |
644 | variant->tag = tag_field; |
645 | variant->payload = new_field; | |
646 | end: | |
83509119 | 647 | bt_put(tag_enum); |
273b65be JG |
648 | return new_field; |
649 | } | |
650 | ||
3f4a108d PP |
651 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
652 | struct bt_ctf_field *variant_field) | |
653 | { | |
654 | struct bt_ctf_field *current_field = NULL; | |
655 | struct bt_ctf_field_variant *variant; | |
656 | ||
657 | if (!variant_field || | |
658 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
659 | CTF_TYPE_VARIANT) { | |
660 | goto end; | |
661 | } | |
662 | ||
663 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
664 | parent); | |
665 | ||
666 | if (variant->payload) { | |
667 | current_field = variant->payload; | |
83509119 | 668 | bt_get(current_field); |
3f4a108d PP |
669 | goto end; |
670 | } | |
671 | ||
672 | end: | |
673 | return current_field; | |
674 | } | |
675 | ||
273b65be JG |
676 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
677 | struct bt_ctf_field *field) | |
678 | { | |
679 | struct bt_ctf_field *container = NULL; | |
680 | struct bt_ctf_field_enumeration *enumeration; | |
681 | ||
b92ddaaa JG |
682 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
683 | CTF_TYPE_ENUM) { | |
273b65be JG |
684 | goto end; |
685 | } | |
686 | ||
687 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
688 | parent); | |
689 | if (!enumeration->payload) { | |
690 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
691 | container_of(field->type, | |
692 | struct bt_ctf_field_type_enumeration, parent); | |
693 | enumeration->payload = | |
694 | bt_ctf_field_create(enumeration_type->container); | |
695 | } | |
696 | ||
697 | container = enumeration->payload; | |
83509119 | 698 | bt_get(container); |
273b65be JG |
699 | end: |
700 | return container; | |
701 | } | |
702 | ||
cd95e351 JG |
703 | const char *bt_ctf_field_enumeration_get_mapping_name( |
704 | struct bt_ctf_field *field) | |
705 | { | |
706 | int ret; | |
707 | const char *name = NULL; | |
708 | struct bt_ctf_field *container = NULL; | |
709 | struct bt_ctf_field_type *container_type = NULL; | |
710 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
711 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
712 | ||
713 | container = bt_ctf_field_enumeration_get_container(field); | |
714 | if (!container) { | |
715 | goto end; | |
716 | } | |
717 | ||
718 | container_type = bt_ctf_field_get_type(container); | |
719 | if (!container_type) { | |
720 | goto error_put_container; | |
721 | } | |
722 | ||
723 | integer_type = container_of(container_type, | |
724 | struct bt_ctf_field_type_integer, parent); | |
725 | enumeration_type = container_of(field->type, | |
726 | struct bt_ctf_field_type_enumeration, parent); | |
727 | ||
10817e06 | 728 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
729 | uint64_t value; |
730 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
731 | &value); | |
732 | if (ret) { | |
733 | goto error_put_container_type; | |
734 | } | |
735 | ||
736 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
737 | enumeration_type, value); | |
738 | } else { | |
739 | int64_t value; | |
740 | ret = bt_ctf_field_signed_integer_get_value(container, | |
741 | &value); | |
742 | if (ret) { | |
743 | goto error_put_container_type; | |
744 | } | |
745 | ||
746 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
747 | enumeration_type, value); | |
748 | } | |
749 | ||
750 | error_put_container_type: | |
83509119 | 751 | bt_put(container_type); |
cd95e351 | 752 | error_put_container: |
83509119 | 753 | bt_put(container); |
cd95e351 JG |
754 | end: |
755 | return name; | |
756 | } | |
757 | ||
758 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
759 | int64_t *value) | |
760 | { | |
761 | int ret = 0; | |
762 | struct bt_ctf_field_integer *integer; | |
763 | struct bt_ctf_field_type_integer *integer_type; | |
764 | ||
765 | if (!field || !value || !field->payload_set || | |
766 | bt_ctf_field_type_get_type_id(field->type) != | |
767 | CTF_TYPE_INTEGER) { | |
768 | ret = -1; | |
769 | goto end; | |
770 | } | |
771 | ||
772 | integer_type = container_of(field->type, | |
773 | struct bt_ctf_field_type_integer, parent); | |
774 | if (!integer_type->declaration.signedness) { | |
775 | ret = -1; | |
776 | goto end; | |
777 | } | |
778 | ||
779 | integer = container_of(field, | |
780 | struct bt_ctf_field_integer, parent); | |
781 | *value = integer->definition.value._signed; | |
782 | end: | |
783 | return ret; | |
784 | } | |
785 | ||
273b65be JG |
786 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
787 | int64_t value) | |
788 | { | |
789 | int ret = 0; | |
790 | struct bt_ctf_field_integer *integer; | |
791 | struct bt_ctf_field_type_integer *integer_type; | |
792 | unsigned int size; | |
793 | int64_t min_value, max_value; | |
794 | ||
795 | if (!field || | |
796 | bt_ctf_field_type_get_type_id(field->type) != | |
797 | CTF_TYPE_INTEGER) { | |
798 | ret = -1; | |
799 | goto end; | |
800 | } | |
801 | ||
802 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
803 | integer_type = container_of(field->type, | |
804 | struct bt_ctf_field_type_integer, parent); | |
805 | if (!integer_type->declaration.signedness) { | |
806 | ret = -1; | |
807 | goto end; | |
808 | } | |
809 | ||
810 | size = integer_type->declaration.len; | |
811 | min_value = -((int64_t)1 << (size - 1)); | |
812 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
813 | if (value < min_value || value > max_value) { | |
814 | ret = -1; | |
815 | goto end; | |
816 | } | |
817 | ||
818 | integer->definition.value._signed = value; | |
819 | integer->parent.payload_set = 1; | |
820 | end: | |
821 | return ret; | |
822 | } | |
823 | ||
cd95e351 JG |
824 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
825 | uint64_t *value) | |
826 | { | |
827 | int ret = 0; | |
828 | struct bt_ctf_field_integer *integer; | |
829 | struct bt_ctf_field_type_integer *integer_type; | |
830 | ||
831 | if (!field || !value || !field->payload_set || | |
832 | bt_ctf_field_type_get_type_id(field->type) != | |
833 | CTF_TYPE_INTEGER) { | |
834 | ret = -1; | |
835 | goto end; | |
836 | } | |
837 | ||
838 | integer_type = container_of(field->type, | |
839 | struct bt_ctf_field_type_integer, parent); | |
840 | if (integer_type->declaration.signedness) { | |
841 | ret = -1; | |
842 | goto end; | |
843 | } | |
844 | ||
845 | integer = container_of(field, | |
846 | struct bt_ctf_field_integer, parent); | |
847 | *value = integer->definition.value._unsigned; | |
848 | end: | |
849 | return ret; | |
850 | } | |
851 | ||
273b65be JG |
852 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
853 | uint64_t value) | |
854 | { | |
855 | int ret = 0; | |
856 | struct bt_ctf_field_integer *integer; | |
857 | struct bt_ctf_field_type_integer *integer_type; | |
858 | unsigned int size; | |
859 | uint64_t max_value; | |
860 | ||
861 | if (!field || | |
862 | bt_ctf_field_type_get_type_id(field->type) != | |
863 | CTF_TYPE_INTEGER) { | |
864 | ret = -1; | |
865 | goto end; | |
866 | } | |
867 | ||
868 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
869 | integer_type = container_of(field->type, | |
870 | struct bt_ctf_field_type_integer, parent); | |
871 | if (integer_type->declaration.signedness) { | |
872 | ret = -1; | |
873 | goto end; | |
874 | } | |
875 | ||
876 | size = integer_type->declaration.len; | |
877 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
878 | if (value > max_value) { | |
879 | ret = -1; | |
880 | goto end; | |
881 | } | |
882 | ||
883 | integer->definition.value._unsigned = value; | |
884 | integer->parent.payload_set = 1; | |
885 | end: | |
886 | return ret; | |
887 | } | |
888 | ||
cd95e351 JG |
889 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
890 | double *value) | |
891 | { | |
892 | int ret = 0; | |
893 | struct bt_ctf_field_floating_point *floating_point; | |
894 | ||
895 | if (!field || !value || !field->payload_set || | |
896 | bt_ctf_field_type_get_type_id(field->type) != | |
897 | CTF_TYPE_FLOAT) { | |
898 | ret = -1; | |
899 | goto end; | |
900 | } | |
901 | ||
902 | floating_point = container_of(field, | |
903 | struct bt_ctf_field_floating_point, parent); | |
904 | *value = floating_point->definition.value; | |
905 | end: | |
906 | return ret; | |
907 | } | |
908 | ||
273b65be JG |
909 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
910 | double value) | |
911 | { | |
912 | int ret = 0; | |
913 | struct bt_ctf_field_floating_point *floating_point; | |
914 | ||
915 | if (!field || | |
916 | bt_ctf_field_type_get_type_id(field->type) != | |
917 | CTF_TYPE_FLOAT) { | |
918 | ret = -1; | |
919 | goto end; | |
920 | } | |
921 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
922 | parent); | |
923 | floating_point->definition.value = value; | |
924 | floating_point->parent.payload_set = 1; | |
925 | end: | |
926 | return ret; | |
927 | } | |
928 | ||
cd95e351 JG |
929 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
930 | { | |
931 | const char *ret = NULL; | |
932 | struct bt_ctf_field_string *string; | |
933 | ||
934 | if (!field || !field->payload_set || | |
935 | bt_ctf_field_type_get_type_id(field->type) != | |
936 | CTF_TYPE_STRING) { | |
937 | goto end; | |
938 | } | |
939 | ||
940 | string = container_of(field, | |
941 | struct bt_ctf_field_string, parent); | |
942 | ret = string->payload->str; | |
943 | end: | |
944 | return ret; | |
945 | } | |
946 | ||
273b65be JG |
947 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
948 | const char *value) | |
949 | { | |
950 | int ret = 0; | |
951 | struct bt_ctf_field_string *string; | |
952 | ||
953 | if (!field || !value || | |
954 | bt_ctf_field_type_get_type_id(field->type) != | |
955 | CTF_TYPE_STRING) { | |
956 | ret = -1; | |
957 | goto end; | |
958 | } | |
959 | ||
960 | string = container_of(field, struct bt_ctf_field_string, parent); | |
961 | if (string->payload) { | |
97736814 JG |
962 | g_string_assign(string->payload, value); |
963 | } else { | |
964 | string->payload = g_string_new(value); | |
273b65be JG |
965 | } |
966 | ||
273b65be JG |
967 | string->parent.payload_set = 1; |
968 | end: | |
969 | return ret; | |
970 | } | |
971 | ||
c6f9c5a3 PP |
972 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
973 | const char *value) | |
974 | { | |
975 | int ret = 0; | |
976 | struct bt_ctf_field_string *string_field; | |
977 | ||
978 | if (!field || !value || | |
979 | bt_ctf_field_type_get_type_id(field->type) != | |
980 | CTF_TYPE_STRING) { | |
981 | ret = -1; | |
982 | goto end; | |
983 | } | |
984 | ||
985 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
986 | ||
987 | if (string_field->payload) { | |
988 | g_string_append(string_field->payload, value); | |
989 | } else { | |
990 | string_field->payload = g_string_new(value); | |
991 | } | |
992 | ||
993 | string_field->parent.payload_set = 1; | |
994 | ||
995 | end: | |
996 | return ret; | |
997 | } | |
998 | ||
f98c6554 PP |
999 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1000 | const char *value, unsigned int length) | |
1001 | { | |
1002 | int i; | |
1003 | int ret = 0; | |
1004 | unsigned int effective_length = length; | |
1005 | struct bt_ctf_field_string *string_field; | |
1006 | ||
1007 | if (!field || !value || | |
1008 | bt_ctf_field_type_get_type_id(field->type) != | |
1009 | CTF_TYPE_STRING) { | |
1010 | ret = -1; | |
1011 | goto end; | |
1012 | } | |
1013 | ||
1014 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1015 | ||
1016 | /* make sure no null bytes are appended */ | |
1017 | for (i = 0; i < length; ++i) { | |
1018 | if (value[i] == '\0') { | |
1019 | effective_length = i; | |
1020 | break; | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | if (string_field->payload) { | |
ce6d5230 | 1025 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1026 | effective_length); |
1027 | } else { | |
1028 | string_field->payload = g_string_new_len(value, | |
1029 | effective_length); | |
1030 | } | |
1031 | ||
1032 | string_field->parent.payload_set = 1; | |
1033 | ||
1034 | end: | |
1035 | return ret; | |
1036 | } | |
1037 | ||
273b65be JG |
1038 | BT_HIDDEN |
1039 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1040 | { | |
1041 | int ret = 0; | |
1042 | enum ctf_type_id type_id; | |
1043 | ||
1044 | if (!field) { | |
1045 | ret = -1; | |
1046 | goto end; | |
1047 | } | |
1048 | ||
1049 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1050 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1051 | ret = -1; | |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | ret = field_validate_funcs[type_id](field); | |
1056 | end: | |
1057 | return ret; | |
1058 | } | |
1059 | ||
12c8a1a3 JG |
1060 | BT_HIDDEN |
1061 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1062 | { | |
1063 | int ret = 0; | |
1064 | enum ctf_type_id type_id; | |
1065 | ||
1066 | if (!field) { | |
1067 | ret = -1; | |
1068 | goto end; | |
1069 | } | |
1070 | ||
1071 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1072 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1073 | ret = -1; | |
1074 | goto end; | |
1075 | } | |
1076 | ||
1077 | ret = field_reset_funcs[type_id](field); | |
1078 | end: | |
1079 | return ret; | |
1080 | } | |
1081 | ||
273b65be JG |
1082 | BT_HIDDEN |
1083 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
1084 | struct ctf_stream_pos *pos) | |
1085 | { | |
1086 | int ret = 0; | |
1087 | enum ctf_type_id type_id; | |
1088 | ||
1089 | if (!field || !pos) { | |
1090 | ret = -1; | |
1091 | goto end; | |
1092 | } | |
1093 | ||
1094 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1095 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
1096 | ret = -1; | |
1097 | goto end; | |
1098 | } | |
1099 | ||
1100 | ret = field_serialize_funcs[type_id](field, pos); | |
1101 | end: | |
1102 | return ret; | |
1103 | } | |
1104 | ||
87d43dc1 JG |
1105 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1106 | { | |
1107 | int ret; | |
1108 | struct bt_ctf_field *copy = NULL; | |
1109 | enum ctf_type_id type_id; | |
1110 | ||
1111 | if (!field) { | |
87d43dc1 JG |
1112 | goto end; |
1113 | } | |
1114 | ||
1115 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1116 | if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) { | |
87d43dc1 JG |
1117 | goto end; |
1118 | } | |
1119 | ||
1120 | copy = bt_ctf_field_create(field->type); | |
1121 | if (!copy) { | |
1122 | goto end; | |
1123 | } | |
1124 | ||
70996764 | 1125 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1126 | ret = field_copy_funcs[type_id](field, copy); |
1127 | if (ret) { | |
83509119 | 1128 | bt_put(copy); |
87d43dc1 JG |
1129 | copy = NULL; |
1130 | } | |
1131 | end: | |
1132 | return copy; | |
1133 | } | |
1134 | ||
273b65be JG |
1135 | static |
1136 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1137 | { | |
1138 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1139 | struct bt_ctf_field_type_integer, parent); | |
1140 | struct bt_ctf_field_integer *integer = g_new0( | |
1141 | struct bt_ctf_field_integer, 1); | |
1142 | ||
1143 | if (integer) { | |
1144 | integer->definition.declaration = &integer_type->declaration; | |
1145 | } | |
1146 | ||
1147 | return integer ? &integer->parent : NULL; | |
1148 | } | |
1149 | ||
1150 | static | |
1151 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1152 | struct bt_ctf_field_type *type) | |
1153 | { | |
1154 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1155 | struct bt_ctf_field_enumeration, 1); | |
1156 | ||
1157 | return enumeration ? &enumeration->parent : NULL; | |
1158 | } | |
1159 | ||
1160 | static | |
1161 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1162 | struct bt_ctf_field_type *type) | |
1163 | { | |
1164 | struct bt_ctf_field_floating_point *floating_point; | |
1165 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1166 | ||
1167 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1168 | if (!floating_point) { | |
1169 | goto end; | |
1170 | } | |
1171 | ||
1172 | floating_point_type = container_of(type, | |
1173 | struct bt_ctf_field_type_floating_point, parent); | |
1174 | floating_point->definition.declaration = container_of( | |
1175 | type->declaration, struct declaration_float, p); | |
1176 | ||
1177 | ||
1178 | floating_point->definition.sign = &floating_point->sign; | |
1179 | floating_point->sign.declaration = &floating_point_type->sign; | |
1180 | floating_point->definition.sign->p.declaration = | |
1181 | &floating_point_type->sign.p; | |
1182 | ||
1183 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1184 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1185 | floating_point->definition.mantissa->p.declaration = | |
1186 | &floating_point_type->mantissa.p; | |
1187 | ||
1188 | floating_point->definition.exp = &floating_point->exp; | |
1189 | floating_point->exp.declaration = &floating_point_type->exp; | |
1190 | floating_point->definition.exp->p.declaration = | |
1191 | &floating_point_type->exp.p; | |
1192 | ||
1193 | end: | |
1194 | return floating_point ? &floating_point->parent : NULL; | |
1195 | } | |
1196 | ||
1197 | static | |
1198 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1199 | struct bt_ctf_field_type *type) | |
1200 | { | |
1201 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1202 | struct bt_ctf_field_type_structure, parent); | |
1203 | struct bt_ctf_field_structure *structure = g_new0( | |
1204 | struct bt_ctf_field_structure, 1); | |
1205 | struct bt_ctf_field *field = NULL; | |
1206 | ||
1207 | if (!structure || !structure_type->fields->len) { | |
1208 | goto end; | |
1209 | } | |
1210 | ||
1211 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1212 | structure->fields = g_ptr_array_new_with_free_func( | |
1213 | (GDestroyNotify)bt_ctf_field_put); | |
1214 | g_ptr_array_set_size(structure->fields, | |
1215 | g_hash_table_size(structure->field_name_to_index)); | |
1216 | field = &structure->parent; | |
1217 | end: | |
1218 | return field; | |
1219 | } | |
1220 | ||
1221 | static | |
1222 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1223 | { | |
1224 | struct bt_ctf_field_variant *variant = g_new0( | |
1225 | struct bt_ctf_field_variant, 1); | |
1226 | return variant ? &variant->parent : NULL; | |
1227 | } | |
1228 | ||
1229 | static | |
1230 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1231 | { | |
1232 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1233 | struct bt_ctf_field_type_array *array_type; | |
1234 | unsigned int array_length; | |
1235 | ||
1236 | if (!array || !type) { | |
1237 | goto error; | |
1238 | } | |
1239 | ||
1240 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1241 | array_length = array_type->length; | |
fe0fe95c | 1242 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1243 | if (!array->elements) { |
1244 | goto error; | |
1245 | } | |
1246 | ||
fe0fe95c JG |
1247 | g_ptr_array_set_free_func(array->elements, |
1248 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1249 | g_ptr_array_set_size(array->elements, array_length); |
1250 | return &array->parent; | |
1251 | error: | |
1252 | g_free(array); | |
1253 | return NULL; | |
1254 | } | |
1255 | ||
1256 | static | |
1257 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1258 | struct bt_ctf_field_type *type) | |
1259 | { | |
1260 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1261 | struct bt_ctf_field_sequence, 1); | |
1262 | return sequence ? &sequence->parent : NULL; | |
1263 | } | |
1264 | ||
1265 | static | |
1266 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1267 | { | |
1268 | struct bt_ctf_field_string *string = g_new0( | |
1269 | struct bt_ctf_field_string, 1); | |
1270 | return string ? &string->parent : NULL; | |
1271 | } | |
1272 | ||
1273 | static | |
83509119 | 1274 | void bt_ctf_field_destroy(struct bt_object *obj) |
273b65be JG |
1275 | { |
1276 | struct bt_ctf_field *field; | |
1277 | struct bt_ctf_field_type *type; | |
1278 | enum ctf_type_id type_id; | |
1279 | ||
83509119 | 1280 | field = container_of(obj, struct bt_ctf_field, base); |
273b65be JG |
1281 | type = field->type; |
1282 | type_id = bt_ctf_field_type_get_type_id(type); | |
1283 | if (type_id <= CTF_TYPE_UNKNOWN || | |
1284 | type_id >= NR_CTF_TYPES) { | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | field_destroy_funcs[type_id](field); | |
83509119 | 1289 | bt_put(type); |
273b65be JG |
1290 | } |
1291 | ||
1292 | static | |
1293 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1294 | { | |
1295 | struct bt_ctf_field_integer *integer; | |
1296 | ||
1297 | if (!field) { | |
1298 | return; | |
1299 | } | |
1300 | ||
1301 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1302 | g_free(integer); | |
1303 | } | |
1304 | ||
1305 | static | |
1306 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1307 | { | |
1308 | struct bt_ctf_field_enumeration *enumeration; | |
1309 | ||
1310 | if (!field) { | |
1311 | return; | |
1312 | } | |
1313 | ||
1314 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1315 | parent); | |
83509119 | 1316 | bt_put(enumeration->payload); |
273b65be JG |
1317 | g_free(enumeration); |
1318 | } | |
1319 | ||
1320 | static | |
1321 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1322 | { | |
1323 | struct bt_ctf_field_floating_point *floating_point; | |
1324 | ||
1325 | if (!field) { | |
1326 | return; | |
1327 | } | |
1328 | ||
1329 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1330 | parent); | |
1331 | g_free(floating_point); | |
1332 | } | |
1333 | ||
1334 | static | |
1335 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1336 | { | |
1337 | struct bt_ctf_field_structure *structure; | |
1338 | ||
1339 | if (!field) { | |
1340 | return; | |
1341 | } | |
1342 | ||
1343 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1344 | g_ptr_array_free(structure->fields, TRUE); | |
1345 | g_free(structure); | |
1346 | } | |
1347 | ||
1348 | static | |
1349 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1350 | { | |
1351 | struct bt_ctf_field_variant *variant; | |
1352 | ||
1353 | if (!field) { | |
1354 | return; | |
1355 | } | |
1356 | ||
1357 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
83509119 JG |
1358 | bt_put(variant->tag); |
1359 | bt_put(variant->payload); | |
273b65be JG |
1360 | g_free(variant); |
1361 | } | |
1362 | ||
1363 | static | |
1364 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1365 | { | |
1366 | struct bt_ctf_field_array *array; | |
1367 | ||
1368 | if (!field) { | |
1369 | return; | |
1370 | } | |
1371 | ||
1372 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1373 | g_ptr_array_free(array->elements, TRUE); | |
1374 | g_free(array); | |
1375 | } | |
1376 | ||
1377 | static | |
1378 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1379 | { | |
1380 | struct bt_ctf_field_sequence *sequence; | |
1381 | ||
1382 | if (!field) { | |
1383 | return; | |
1384 | } | |
1385 | ||
1386 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1387 | if (sequence->elements) { |
1388 | g_ptr_array_free(sequence->elements, TRUE); | |
1389 | } | |
83509119 | 1390 | bt_put(sequence->length); |
273b65be JG |
1391 | g_free(sequence); |
1392 | } | |
1393 | ||
1394 | static | |
1395 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1396 | { | |
1397 | struct bt_ctf_field_string *string; | |
1398 | if (!field) { | |
1399 | return; | |
1400 | } | |
1401 | ||
1402 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1403 | if (string->payload) { |
1404 | g_string_free(string->payload, TRUE); | |
1405 | } | |
273b65be JG |
1406 | g_free(string); |
1407 | } | |
1408 | ||
1409 | static | |
1410 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1411 | { | |
da2f6971 | 1412 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1413 | } |
1414 | ||
1415 | static | |
1416 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1417 | { | |
1418 | int ret; | |
1419 | struct bt_ctf_field_enumeration *enumeration; | |
1420 | ||
1421 | if (!field) { | |
1422 | ret = -1; | |
1423 | goto end; | |
1424 | } | |
1425 | ||
1426 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1427 | parent); | |
1428 | if (!enumeration->payload) { | |
1429 | ret = -1; | |
1430 | goto end; | |
1431 | } | |
1432 | ||
1433 | ret = bt_ctf_field_validate(enumeration->payload); | |
1434 | end: | |
1435 | return ret; | |
1436 | } | |
1437 | ||
1438 | static | |
1439 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1440 | { | |
1441 | size_t i; | |
1442 | int ret = 0; | |
1443 | struct bt_ctf_field_structure *structure; | |
1444 | ||
1445 | if (!field) { | |
1446 | ret = -1; | |
1447 | goto end; | |
1448 | } | |
1449 | ||
1450 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1451 | for (i = 0; i < structure->fields->len; i++) { | |
1452 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1453 | if (ret) { | |
1454 | goto end; | |
1455 | } | |
1456 | } | |
1457 | end: | |
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | static | |
1462 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1463 | { | |
1464 | int ret = 0; | |
1465 | struct bt_ctf_field_variant *variant; | |
1466 | ||
1467 | if (!field) { | |
1468 | ret = -1; | |
1469 | goto end; | |
1470 | } | |
1471 | ||
1472 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1473 | ret = bt_ctf_field_validate(variant->payload); | |
1474 | end: | |
1475 | return ret; | |
1476 | } | |
1477 | ||
1478 | static | |
1479 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1480 | { | |
1481 | size_t i; | |
1482 | int ret = 0; | |
1483 | struct bt_ctf_field_array *array; | |
1484 | ||
1485 | if (!field) { | |
1486 | ret = -1; | |
1487 | goto end; | |
1488 | } | |
1489 | ||
1490 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1491 | for (i = 0; i < array->elements->len; i++) { | |
1492 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1493 | if (ret) { | |
1494 | goto end; | |
1495 | } | |
1496 | } | |
1497 | end: | |
1498 | return ret; | |
1499 | } | |
1500 | ||
1501 | static | |
1502 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1503 | { | |
1504 | size_t i; | |
1505 | int ret = 0; | |
1506 | struct bt_ctf_field_sequence *sequence; | |
1507 | ||
1508 | if (!field) { | |
1509 | ret = -1; | |
1510 | goto end; | |
1511 | } | |
1512 | ||
1513 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1514 | for (i = 0; i < sequence->elements->len; i++) { | |
1515 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1516 | if (ret) { | |
1517 | goto end; | |
1518 | } | |
1519 | } | |
1520 | end: | |
1521 | return ret; | |
1522 | } | |
1523 | ||
12c8a1a3 JG |
1524 | static |
1525 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1526 | { | |
1527 | int ret = 0; | |
1528 | ||
1529 | if (!field) { | |
1530 | ret = -1; | |
1531 | goto end; | |
1532 | } | |
1533 | ||
1534 | field->payload_set = 0; | |
1535 | end: | |
1536 | return ret; | |
1537 | } | |
1538 | ||
1539 | static | |
1540 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1541 | { | |
1542 | int ret = 0; | |
1543 | struct bt_ctf_field_enumeration *enumeration; | |
1544 | ||
1545 | if (!field) { | |
1546 | ret = -1; | |
1547 | goto end; | |
1548 | } | |
1549 | ||
1550 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1551 | parent); | |
1552 | if (!enumeration->payload) { | |
1553 | goto end; | |
1554 | } | |
1555 | ||
1556 | ret = bt_ctf_field_reset(enumeration->payload); | |
1557 | end: | |
1558 | return ret; | |
1559 | } | |
1560 | ||
1561 | static | |
1562 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1563 | { | |
1564 | size_t i; | |
1565 | int ret = 0; | |
1566 | struct bt_ctf_field_structure *structure; | |
1567 | ||
1568 | if (!field) { | |
1569 | ret = -1; | |
1570 | goto end; | |
1571 | } | |
1572 | ||
1573 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1574 | for (i = 0; i < structure->fields->len; i++) { | |
1575 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1576 | ||
1577 | if (!member) { | |
1578 | /* | |
1579 | * Structure members are lazily initialized; skip if | |
1580 | * this member has not been allocated yet. | |
1581 | */ | |
1582 | continue; | |
1583 | } | |
1584 | ||
1585 | ret = bt_ctf_field_reset(member); | |
1586 | if (ret) { | |
1587 | goto end; | |
1588 | } | |
1589 | } | |
1590 | end: | |
1591 | return ret; | |
1592 | } | |
1593 | ||
1594 | static | |
1595 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1596 | { | |
1597 | int ret = 0; | |
1598 | struct bt_ctf_field_variant *variant; | |
1599 | ||
1600 | if (!field) { | |
1601 | ret = -1; | |
1602 | goto end; | |
1603 | } | |
1604 | ||
1605 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1606 | if (variant->payload) { | |
1607 | ret = bt_ctf_field_reset(variant->payload); | |
1608 | } | |
1609 | end: | |
1610 | return ret; | |
1611 | } | |
1612 | ||
1613 | static | |
1614 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1615 | { | |
1616 | size_t i; | |
1617 | int ret = 0; | |
1618 | struct bt_ctf_field_array *array; | |
1619 | ||
1620 | if (!field) { | |
1621 | ret = -1; | |
1622 | goto end; | |
1623 | } | |
1624 | ||
1625 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1626 | for (i = 0; i < array->elements->len; i++) { | |
1627 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1628 | ||
1629 | if (!member) { | |
1630 | /* | |
1631 | * Array elements are lazily initialized; skip if | |
1632 | * this member has not been allocated yet. | |
1633 | */ | |
1634 | continue; | |
1635 | } | |
1636 | ||
1637 | ret = bt_ctf_field_reset(member); | |
1638 | if (ret) { | |
1639 | goto end; | |
1640 | } | |
1641 | } | |
1642 | end: | |
1643 | return ret; | |
1644 | } | |
1645 | ||
1646 | static | |
1647 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1648 | { | |
1649 | size_t i; | |
1650 | int ret = 0; | |
1651 | struct bt_ctf_field_sequence *sequence; | |
1652 | ||
1653 | if (!field) { | |
1654 | ret = -1; | |
1655 | goto end; | |
1656 | } | |
1657 | ||
1658 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1659 | for (i = 0; i < sequence->elements->len; i++) { | |
1660 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1661 | ||
1662 | if (!member) { | |
1663 | /* | |
1664 | * Sequence elements are lazily initialized; skip if | |
1665 | * this member has not been allocated yet. | |
1666 | */ | |
1667 | continue; | |
1668 | } | |
1669 | ||
1670 | ret = bt_ctf_field_reset(member); | |
1671 | if (ret) { | |
1672 | goto end; | |
1673 | } | |
1674 | } | |
1675 | end: | |
1676 | return ret; | |
1677 | } | |
1678 | ||
1679 | static | |
1680 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1681 | { | |
1682 | int ret = 0; | |
1683 | struct bt_ctf_field_string *string; | |
1684 | ||
1685 | if (!field) { | |
1686 | ret = -1; | |
1687 | goto end; | |
1688 | } | |
1689 | ||
1690 | ret = bt_ctf_field_generic_reset(field); | |
1691 | if (ret) { | |
1692 | goto end; | |
1693 | } | |
1694 | ||
1695 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1696 | if (string->payload) { | |
1697 | g_string_truncate(string->payload, 0); | |
1698 | } | |
1699 | end: | |
1700 | return ret; | |
1701 | } | |
1702 | ||
273b65be JG |
1703 | static |
1704 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1705 | struct ctf_stream_pos *pos) | |
1706 | { | |
1707 | int ret = 0; | |
1708 | struct bt_ctf_field_integer *integer = container_of(field, | |
1709 | struct bt_ctf_field_integer, parent); | |
1710 | ||
1711 | retry: | |
1712 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1713 | if (ret == -EFAULT) { | |
1714 | /* | |
1715 | * The field is too large to fit in the current packet's | |
1716 | * remaining space. Bump the packet size and retry. | |
1717 | */ | |
1718 | ret = increase_packet_size(pos); | |
1719 | if (ret) { | |
1720 | goto end; | |
1721 | } | |
1722 | goto retry; | |
1723 | } | |
1724 | end: | |
1725 | return ret; | |
1726 | } | |
1727 | ||
1728 | static | |
1729 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1730 | struct ctf_stream_pos *pos) | |
1731 | { | |
1732 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1733 | field, struct bt_ctf_field_enumeration, parent); | |
1734 | ||
1735 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1736 | } | |
1737 | ||
1738 | static | |
1739 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1740 | struct ctf_stream_pos *pos) | |
1741 | { | |
1742 | int ret = 0; | |
1743 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1744 | struct bt_ctf_field_floating_point, parent); | |
1745 | ||
1746 | retry: | |
1747 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1748 | if (ret == -EFAULT) { | |
1749 | /* | |
1750 | * The field is too large to fit in the current packet's | |
1751 | * remaining space. Bump the packet size and retry. | |
1752 | */ | |
1753 | ret = increase_packet_size(pos); | |
1754 | if (ret) { | |
1755 | goto end; | |
1756 | } | |
1757 | goto retry; | |
1758 | } | |
1759 | end: | |
1760 | return ret; | |
1761 | } | |
1762 | ||
1763 | static | |
1764 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1765 | struct ctf_stream_pos *pos) | |
1766 | { | |
1767 | size_t i; | |
1768 | int ret = 0; | |
1769 | struct bt_ctf_field_structure *structure = container_of( | |
1770 | field, struct bt_ctf_field_structure, parent); | |
1771 | ||
1772 | while (!ctf_pos_access_ok(pos, | |
1773 | offset_align(pos->offset, | |
1774 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1775 | ret = increase_packet_size(pos); |
1776 | if (ret) { | |
1777 | goto end; | |
1778 | } | |
273b65be JG |
1779 | } |
1780 | ||
70fd5a51 MD |
1781 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1782 | ret = -1; | |
1783 | goto end; | |
1784 | } | |
273b65be JG |
1785 | |
1786 | for (i = 0; i < structure->fields->len; i++) { | |
1787 | struct bt_ctf_field *field = g_ptr_array_index( | |
1788 | structure->fields, i); | |
1789 | ||
1790 | ret = bt_ctf_field_serialize(field, pos); | |
1791 | if (ret) { | |
1792 | break; | |
1793 | } | |
1794 | } | |
9f56e450 | 1795 | end: |
273b65be JG |
1796 | return ret; |
1797 | } | |
1798 | ||
1799 | static | |
1800 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1801 | struct ctf_stream_pos *pos) | |
1802 | { | |
1803 | struct bt_ctf_field_variant *variant = container_of( | |
1804 | field, struct bt_ctf_field_variant, parent); | |
1805 | ||
1806 | return bt_ctf_field_serialize(variant->payload, pos); | |
1807 | } | |
1808 | ||
1809 | static | |
1810 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1811 | struct ctf_stream_pos *pos) | |
1812 | { | |
1813 | size_t i; | |
1814 | int ret = 0; | |
1815 | struct bt_ctf_field_array *array = container_of( | |
1816 | field, struct bt_ctf_field_array, parent); | |
1817 | ||
1818 | for (i = 0; i < array->elements->len; i++) { | |
1819 | ret = bt_ctf_field_serialize( | |
1820 | g_ptr_array_index(array->elements, i), pos); | |
1821 | if (ret) { | |
1822 | goto end; | |
1823 | } | |
1824 | } | |
1825 | end: | |
1826 | return ret; | |
1827 | } | |
1828 | ||
1829 | static | |
1830 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1831 | struct ctf_stream_pos *pos) | |
1832 | { | |
1833 | size_t i; | |
1834 | int ret = 0; | |
1835 | struct bt_ctf_field_sequence *sequence = container_of( | |
1836 | field, struct bt_ctf_field_sequence, parent); | |
1837 | ||
1838 | for (i = 0; i < sequence->elements->len; i++) { | |
1839 | ret = bt_ctf_field_serialize( | |
1840 | g_ptr_array_index(sequence->elements, i), pos); | |
1841 | if (ret) { | |
1842 | goto end; | |
1843 | } | |
1844 | } | |
1845 | end: | |
1846 | return ret; | |
1847 | } | |
1848 | ||
1849 | static | |
1850 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1851 | struct ctf_stream_pos *pos) | |
1852 | { | |
1853 | size_t i; | |
1854 | int ret = 0; | |
1855 | struct bt_ctf_field_string *string = container_of(field, | |
1856 | struct bt_ctf_field_string, parent); | |
1857 | struct bt_ctf_field_type *character_type = | |
1858 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1859 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1860 | ||
1861 | for (i = 0; i < string->payload->len + 1; i++) { | |
1862 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1863 | (uint64_t) string->payload->str[i]); | |
1864 | if (ret) { | |
1865 | goto end; | |
1866 | } | |
1867 | ||
1868 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1869 | if (ret) { | |
1870 | goto end; | |
1871 | } | |
1872 | } | |
1873 | end: | |
83509119 JG |
1874 | bt_put(character); |
1875 | bt_put(character_type); | |
273b65be JG |
1876 | return ret; |
1877 | } | |
1878 | ||
87d43dc1 JG |
1879 | static |
1880 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
1881 | struct bt_ctf_field *dst) | |
1882 | { | |
1883 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
1884 | ||
1885 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 1886 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
1887 | |
1888 | memcpy(&integer_dst->definition, &integer_src->definition, | |
1889 | sizeof(struct definition_integer)); | |
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | static | |
1894 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
1895 | struct bt_ctf_field *dst) | |
1896 | { | |
1897 | int ret = 0; | |
1898 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
1899 | ||
1900 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
1901 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
1902 | ||
1903 | if (enum_src->payload) { | |
1904 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
1905 | if (!enum_dst->payload) { | |
1906 | ret = -1; | |
1907 | goto end; | |
1908 | } | |
1909 | } | |
1910 | end: | |
1911 | return ret; | |
1912 | } | |
1913 | ||
1914 | static | |
1915 | int bt_ctf_field_floating_point_copy( | |
1916 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
1917 | { | |
1918 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
1919 | ||
1920 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
1921 | parent); | |
1922 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
1923 | parent); | |
1924 | ||
1925 | memcpy(&float_dst->definition, &float_src->definition, | |
1926 | sizeof(struct definition_float)); | |
1927 | memcpy(&float_dst->sign, &float_src->sign, | |
1928 | sizeof(struct definition_integer)); | |
1929 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
1930 | sizeof(struct definition_integer)); | |
1931 | memcpy(&float_dst->exp, &float_src->exp, | |
1932 | sizeof(struct definition_integer)); | |
1933 | return 0; | |
1934 | } | |
1935 | ||
1936 | static | |
1937 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
1938 | struct bt_ctf_field *dst) | |
1939 | { | |
8bfa3f9c | 1940 | int ret = 0, i; |
87d43dc1 JG |
1941 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
1942 | ||
1943 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
1944 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
1945 | ||
8bfa3f9c | 1946 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 1947 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 1948 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
1949 | |
1950 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
1951 | struct bt_ctf_field *field = |
1952 | g_ptr_array_index(struct_src->fields, i); | |
1953 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 1954 | |
50fd95bf PP |
1955 | if (field) { |
1956 | field_copy = bt_ctf_field_copy(field); | |
1957 | ||
1958 | if (!field_copy) { | |
1959 | ret = -1; | |
1960 | goto end; | |
1961 | } | |
87d43dc1 | 1962 | } |
50fd95bf | 1963 | |
8bfa3f9c | 1964 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
1965 | } |
1966 | end: | |
1967 | return ret; | |
1968 | } | |
1969 | ||
1970 | static | |
1971 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
1972 | struct bt_ctf_field *dst) | |
1973 | { | |
1974 | int ret = 0; | |
1975 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
1976 | ||
1977 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
1978 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
1979 | ||
1980 | if (variant_src->tag) { | |
1981 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
1982 | if (!variant_dst->tag) { | |
1983 | ret = -1; | |
1984 | goto end; | |
1985 | } | |
1986 | } | |
1987 | if (variant_src->payload) { | |
1988 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
1989 | if (!variant_dst->payload) { | |
1990 | ret = -1; | |
1991 | goto end; | |
1992 | } | |
1993 | } | |
1994 | end: | |
1995 | return ret; | |
1996 | } | |
1997 | ||
1998 | static | |
1999 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2000 | struct bt_ctf_field *dst) | |
2001 | { | |
2002 | int ret = 0, i; | |
2003 | struct bt_ctf_field_array *array_src, *array_dst; | |
2004 | ||
2005 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2006 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2007 | ||
8bfa3f9c | 2008 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2009 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2010 | struct bt_ctf_field *field = |
2011 | g_ptr_array_index(array_src->elements, i); | |
2012 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2013 | |
50fd95bf PP |
2014 | if (field) { |
2015 | field_copy = bt_ctf_field_copy(field); | |
2016 | ||
2017 | if (!field_copy) { | |
2018 | ret = -1; | |
2019 | goto end; | |
2020 | } | |
87d43dc1 | 2021 | } |
50fd95bf | 2022 | |
8bfa3f9c | 2023 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2024 | } |
2025 | end: | |
2026 | return ret; | |
2027 | } | |
2028 | ||
2029 | static | |
2030 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2031 | struct bt_ctf_field *dst) | |
2032 | { | |
2033 | int ret = 0, i; | |
2034 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2035 | struct bt_ctf_field *src_length; |
2036 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2037 | |
2038 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2039 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2040 | ||
59ab494d PP |
2041 | src_length = bt_ctf_field_sequence_get_length(src); |
2042 | ||
2043 | if (!src_length) { | |
2044 | /* no length set yet: keep destination sequence empty */ | |
2045 | goto end; | |
2046 | } | |
2047 | ||
2048 | /* copy source length */ | |
2049 | dst_length = bt_ctf_field_copy(src_length); | |
83509119 | 2050 | bt_put(src_length); |
59ab494d PP |
2051 | |
2052 | if (!dst_length) { | |
2053 | ret = -1; | |
2054 | goto end; | |
2055 | } | |
2056 | ||
2057 | /* this will initialize the destination sequence's internal array */ | |
2058 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
83509119 | 2059 | bt_put(dst_length); |
59ab494d PP |
2060 | |
2061 | if (ret) { | |
2062 | goto end; | |
2063 | } | |
2064 | ||
2065 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2066 | ||
87d43dc1 | 2067 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2068 | struct bt_ctf_field *field = |
2069 | g_ptr_array_index(sequence_src->elements, i); | |
2070 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2071 | |
50fd95bf PP |
2072 | if (field) { |
2073 | field_copy = bt_ctf_field_copy(field); | |
2074 | ||
2075 | if (!field_copy) { | |
2076 | ret = -1; | |
2077 | goto end; | |
2078 | } | |
87d43dc1 | 2079 | } |
59ab494d | 2080 | |
8bfa3f9c | 2081 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2082 | } |
2083 | end: | |
2084 | return ret; | |
2085 | } | |
2086 | ||
2087 | static | |
2088 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2089 | struct bt_ctf_field *dst) | |
2090 | { | |
2091 | int ret = 0; | |
2092 | struct bt_ctf_field_string *string_src, *string_dst; | |
2093 | ||
2094 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2095 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2096 | ||
2097 | if (string_src->payload) { | |
2098 | string_dst->payload = g_string_new(string_src->payload->str); | |
2099 | if (!string_dst->payload) { | |
2100 | ret = -1; | |
2101 | goto end; | |
2102 | } | |
2103 | } | |
2104 | end: | |
2105 | return ret; | |
2106 | } | |
2107 | ||
273b65be JG |
2108 | static |
2109 | int increase_packet_size(struct ctf_stream_pos *pos) | |
2110 | { | |
2111 | int ret; | |
2112 | ||
2113 | assert(pos); | |
2114 | ret = munmap_align(pos->base_mma); | |
2115 | if (ret) { | |
2116 | goto end; | |
2117 | } | |
2118 | ||
2119 | pos->packet_size += PACKET_LEN_INCREMENT; | |
2120 | ret = posix_fallocate(pos->fd, pos->mmap_offset, | |
2121 | pos->packet_size / CHAR_BIT); | |
2122 | if (ret) { | |
2123 | goto end; | |
2124 | } | |
2125 | ||
2126 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2127 | pos->flags, pos->fd, pos->mmap_offset); | |
2128 | if (pos->base_mma == MAP_FAILED) { | |
2129 | ret = -1; | |
2130 | } | |
2131 | end: | |
2132 | return ret; | |
2133 | } |