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