Commit | Line | Data |
---|---|---|
273b65be JG |
1 | /* |
2 | * event-fields.c | |
3 | * | |
d2dc44b6 | 4 | * Babeltrace CTF IR - Event Fields |
273b65be | 5 | * |
de9dd397 | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
7 | * |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-writer/event-fields.h> | |
adc315b8 JG |
30 | #include <babeltrace/ctf-ir/event-fields-internal.h> |
31 | #include <babeltrace/ctf-ir/event-types-internal.h> | |
83509119 JG |
32 | #include <babeltrace/object-internal.h> |
33 | #include <babeltrace/ref.h> | |
273b65be | 34 | #include <babeltrace/compiler.h> |
a323afb2 | 35 | #include <babeltrace/compat/fcntl.h> |
273b65be JG |
36 | |
37 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) | |
38 | ||
39 | static | |
40 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); | |
41 | static | |
42 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
43 | struct bt_ctf_field_type *); | |
44 | static | |
45 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
46 | struct bt_ctf_field_type *); | |
47 | static | |
48 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
49 | struct bt_ctf_field_type *); | |
50 | static | |
51 | struct bt_ctf_field *bt_ctf_field_variant_create( | |
52 | struct bt_ctf_field_type *); | |
53 | static | |
54 | struct bt_ctf_field *bt_ctf_field_array_create( | |
55 | struct bt_ctf_field_type *); | |
56 | static | |
57 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
58 | struct bt_ctf_field_type *); | |
59 | static | |
60 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); | |
61 | ||
62 | static | |
83509119 | 63 | void bt_ctf_field_destroy(struct bt_object *); |
273b65be JG |
64 | static |
65 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); | |
66 | static | |
67 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); | |
68 | static | |
69 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); | |
70 | static | |
71 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); | |
72 | static | |
73 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); | |
74 | static | |
75 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); | |
76 | static | |
77 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); | |
78 | static | |
79 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); | |
80 | ||
81 | static | |
ca116246 | 82 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
273b65be | 83 | static |
ca116246 | 84 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
273b65be | 85 | static |
ca116246 | 86 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
273b65be | 87 | static |
ca116246 | 88 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
273b65be | 89 | static |
ca116246 | 90 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
273b65be | 91 | static |
ca116246 | 92 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
273b65be | 93 | |
12c8a1a3 | 94 | static |
ca116246 | 95 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
12c8a1a3 | 96 | static |
ca116246 | 97 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
12c8a1a3 | 98 | static |
ca116246 | 99 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
12c8a1a3 | 100 | static |
ca116246 | 101 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
12c8a1a3 | 102 | static |
ca116246 | 103 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
12c8a1a3 | 104 | static |
ca116246 | 105 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
12c8a1a3 | 106 | static |
ca116246 | 107 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
12c8a1a3 | 108 | |
273b65be JG |
109 | static |
110 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
111 | struct ctf_stream_pos *); | |
112 | static | |
113 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
114 | struct ctf_stream_pos *); | |
115 | static | |
116 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
117 | struct ctf_stream_pos *); | |
118 | static | |
119 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
120 | struct ctf_stream_pos *); | |
121 | static | |
122 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
123 | struct ctf_stream_pos *); | |
124 | static | |
125 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
126 | struct ctf_stream_pos *); | |
127 | static | |
128 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
129 | struct ctf_stream_pos *); | |
130 | static | |
131 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
132 | struct ctf_stream_pos *); | |
133 | ||
87d43dc1 JG |
134 | static |
135 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
136 | static | |
137 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
138 | static | |
139 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, | |
140 | struct bt_ctf_field *); | |
141 | static | |
142 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
143 | static | |
144 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
145 | static | |
146 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
147 | static | |
148 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
149 | static | |
150 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
151 | ||
273b65be JG |
152 | static |
153 | int increase_packet_size(struct ctf_stream_pos *pos); | |
154 | ||
155 | static | |
ce6da4fd | 156 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be | 157 | struct bt_ctf_field_type *) = { |
9a19a512 PP |
158 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_create, |
159 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create, | |
160 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 161 | bt_ctf_field_floating_point_create, |
9a19a512 PP |
162 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_create, |
163 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_create, | |
164 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_create, | |
165 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create, | |
166 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_create, | |
273b65be JG |
167 | }; |
168 | ||
169 | static | |
ce6da4fd | 170 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
171 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy, |
172 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy, | |
173 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 174 | bt_ctf_field_floating_point_destroy, |
9a19a512 PP |
175 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy, |
176 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy, | |
177 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy, | |
178 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
179 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_destroy, | |
273b65be JG |
180 | }; |
181 | ||
182 | static | |
ce6da4fd | 183 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
184 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate, |
185 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate, | |
186 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate, | |
187 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate, | |
188 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate, | |
189 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_validate, | |
190 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate, | |
191 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_validate, | |
273b65be JG |
192 | }; |
193 | ||
12c8a1a3 | 194 | static |
ce6da4fd | 195 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
196 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset, |
197 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset, | |
198 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset, | |
199 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset, | |
200 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset, | |
201 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_reset, | |
202 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset, | |
203 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_reset, | |
12c8a1a3 JG |
204 | }; |
205 | ||
273b65be | 206 | static |
ce6da4fd | 207 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
273b65be | 208 | struct ctf_stream_pos *) = { |
9a19a512 PP |
209 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize, |
210 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize, | |
211 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 212 | bt_ctf_field_floating_point_serialize, |
9a19a512 PP |
213 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize, |
214 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize, | |
215 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize, | |
216 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
217 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_serialize, | |
273b65be JG |
218 | }; |
219 | ||
87d43dc1 | 220 | static |
ce6da4fd JG |
221 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
222 | struct bt_ctf_field *) = { | |
9a19a512 PP |
223 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy, |
224 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy, | |
225 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy, | |
226 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy, | |
227 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy, | |
228 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_copy, | |
229 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy, | |
230 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_copy, | |
87d43dc1 JG |
231 | }; |
232 | ||
273b65be JG |
233 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
234 | { | |
235 | struct bt_ctf_field *field = NULL; | |
9a19a512 | 236 | enum bt_ctf_type_id type_id; |
81e36fac | 237 | int ret; |
273b65be JG |
238 | |
239 | if (!type) { | |
240 | goto error; | |
241 | } | |
242 | ||
243 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
244 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
245 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
81e36fac PP |
246 | goto error; |
247 | } | |
248 | ||
249 | /* Field class MUST be valid */ | |
250 | ret = bt_ctf_field_type_validate(type); | |
251 | ||
252 | if (ret) { | |
253 | /* Invalid */ | |
273b65be JG |
254 | goto error; |
255 | } | |
256 | ||
257 | field = field_create_funcs[type_id](type); | |
258 | if (!field) { | |
259 | goto error; | |
260 | } | |
261 | ||
262 | /* The type's declaration can't change after this point */ | |
263 | bt_ctf_field_type_freeze(type); | |
83509119 JG |
264 | bt_get(type); |
265 | bt_object_init(field, bt_ctf_field_destroy); | |
273b65be JG |
266 | field->type = type; |
267 | error: | |
268 | return field; | |
269 | } | |
270 | ||
271 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
272 | { | |
83509119 | 273 | bt_get(field); |
273b65be JG |
274 | } |
275 | ||
276 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
277 | { | |
83509119 | 278 | bt_put(field); |
273b65be JG |
279 | } |
280 | ||
cd95e351 JG |
281 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
282 | { | |
283 | struct bt_ctf_field_type *ret = NULL; | |
284 | ||
285 | if (!field) { | |
286 | goto end; | |
287 | } | |
288 | ||
289 | ret = field->type; | |
83509119 | 290 | bt_get(ret); |
cd95e351 JG |
291 | end: |
292 | return ret; | |
293 | } | |
294 | ||
9a19a512 | 295 | enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
4ebcc695 | 296 | { |
9a19a512 | 297 | enum bt_ctf_type_id ret = BT_CTF_TYPE_ID_UNKNOWN; |
4ebcc695 PP |
298 | |
299 | if (!field) { | |
300 | goto end; | |
301 | } | |
302 | ||
303 | ret = bt_ctf_field_type_get_type_id(field->type); | |
304 | end: | |
305 | return ret; | |
306 | } | |
307 | ||
8f3553be PP |
308 | int bt_ctf_field_is_integer(struct bt_ctf_field *field) |
309 | { | |
9a19a512 | 310 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_INTEGER; |
8f3553be PP |
311 | } |
312 | ||
313 | int bt_ctf_field_is_floating_point(struct bt_ctf_field *field) | |
314 | { | |
9a19a512 | 315 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_FLOAT; |
8f3553be PP |
316 | } |
317 | ||
318 | int bt_ctf_field_is_enumeration(struct bt_ctf_field *field) | |
319 | { | |
9a19a512 | 320 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ENUM; |
8f3553be PP |
321 | } |
322 | ||
323 | int bt_ctf_field_is_string(struct bt_ctf_field *field) | |
324 | { | |
9a19a512 | 325 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRING; |
8f3553be PP |
326 | } |
327 | ||
328 | int bt_ctf_field_is_structure(struct bt_ctf_field *field) | |
329 | { | |
9a19a512 | 330 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRUCT; |
8f3553be PP |
331 | } |
332 | ||
333 | int bt_ctf_field_is_array(struct bt_ctf_field *field) | |
334 | { | |
9a19a512 | 335 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ARRAY; |
8f3553be PP |
336 | } |
337 | ||
338 | int bt_ctf_field_is_sequence(struct bt_ctf_field *field) | |
339 | { | |
9a19a512 | 340 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_SEQUENCE; |
8f3553be PP |
341 | } |
342 | ||
343 | int bt_ctf_field_is_variant(struct bt_ctf_field *field) | |
344 | { | |
9a19a512 | 345 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_VARIANT; |
8f3553be PP |
346 | } |
347 | ||
cd95e351 JG |
348 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
349 | struct bt_ctf_field *field) | |
350 | { | |
351 | struct bt_ctf_field *ret = NULL; | |
352 | struct bt_ctf_field_sequence *sequence; | |
353 | ||
354 | if (!field) { | |
355 | goto end; | |
356 | } | |
357 | ||
358 | if (bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 359 | BT_CTF_TYPE_ID_SEQUENCE) { |
cd95e351 JG |
360 | goto end; |
361 | } | |
362 | ||
363 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
364 | ret = sequence->length; | |
83509119 | 365 | bt_get(ret); |
cd95e351 JG |
366 | end: |
367 | return ret; | |
368 | } | |
369 | ||
273b65be JG |
370 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
371 | struct bt_ctf_field *length_field) | |
372 | { | |
373 | int ret = 0; | |
374 | struct bt_ctf_field_type_integer *length_type; | |
375 | struct bt_ctf_field_integer *length; | |
376 | struct bt_ctf_field_sequence *sequence; | |
377 | uint64_t sequence_length; | |
378 | ||
379 | if (!field || !length_field) { | |
380 | ret = -1; | |
381 | goto end; | |
382 | } | |
383 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
9a19a512 | 384 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
385 | ret = -1; |
386 | goto end; | |
387 | } | |
388 | ||
389 | length_type = container_of(length_field->type, | |
390 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 391 | /* The length field must be unsigned */ |
273b65be JG |
392 | if (length_type->declaration.signedness) { |
393 | ret = -1; | |
394 | goto end; | |
395 | } | |
396 | ||
397 | length = container_of(length_field, struct bt_ctf_field_integer, | |
398 | parent); | |
399 | sequence_length = length->definition.value._unsigned; | |
400 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
401 | if (sequence->elements) { | |
402 | g_ptr_array_free(sequence->elements, TRUE); | |
83509119 | 403 | bt_put(sequence->length); |
273b65be JG |
404 | } |
405 | ||
fe0fe95c | 406 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
407 | if (!sequence->elements) { |
408 | ret = -1; | |
409 | goto end; | |
410 | } | |
411 | ||
fe0fe95c | 412 | g_ptr_array_set_free_func(sequence->elements, |
83509119 JG |
413 | (GDestroyNotify) bt_put); |
414 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); | |
415 | bt_get(length_field); | |
273b65be JG |
416 | sequence->length = length_field; |
417 | end: | |
418 | return ret; | |
419 | } | |
420 | ||
421 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
422 | struct bt_ctf_field *field, const char *name) | |
423 | { | |
424 | struct bt_ctf_field *new_field = NULL; | |
425 | GQuark field_quark; | |
426 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 427 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
428 | size_t index; |
429 | ||
430 | if (!field || !name || | |
431 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 432 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
433 | goto error; |
434 | } | |
435 | ||
436 | field_quark = g_quark_from_string(name); | |
437 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
438 | field_type = |
439 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
440 | name); | |
273b65be JG |
441 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
442 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
443 | goto error; | |
444 | } | |
445 | ||
446 | if (structure->fields->pdata[index]) { | |
447 | new_field = structure->fields->pdata[index]; | |
448 | goto end; | |
449 | } | |
450 | ||
451 | new_field = bt_ctf_field_create(field_type); | |
452 | if (!new_field) { | |
453 | goto error; | |
454 | } | |
455 | ||
456 | structure->fields->pdata[index] = new_field; | |
457 | end: | |
83509119 | 458 | bt_get(new_field); |
273b65be | 459 | error: |
b92ddaaa | 460 | if (field_type) { |
83509119 | 461 | bt_put(field_type); |
b92ddaaa | 462 | } |
273b65be JG |
463 | return new_field; |
464 | } | |
465 | ||
cd95e351 | 466 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 467 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
468 | { |
469 | int ret; | |
470 | const char *field_name; | |
471 | struct bt_ctf_field_structure *structure; | |
472 | struct bt_ctf_field_type *structure_type; | |
473 | struct bt_ctf_field_type *field_type = NULL; | |
474 | struct bt_ctf_field *ret_field = NULL; | |
475 | ||
476 | if (!field || | |
9a19a512 PP |
477 | bt_ctf_field_type_get_type_id(field->type) != |
478 | BT_CTF_TYPE_ID_STRUCT) { | |
cd95e351 JG |
479 | goto end; |
480 | } | |
481 | ||
482 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
483 | if (index >= structure->fields->len) { | |
484 | goto error; | |
485 | } | |
486 | ||
487 | ret_field = structure->fields->pdata[index]; | |
488 | if (ret_field) { | |
489 | goto end; | |
490 | } | |
491 | ||
492 | /* Field has not been instanciated yet, create it */ | |
493 | structure_type = bt_ctf_field_get_type(field); | |
494 | if (!structure_type) { | |
495 | goto error; | |
496 | } | |
497 | ||
498 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
499 | &field_name, &field_type, index); | |
83509119 | 500 | bt_put(structure_type); |
cd95e351 JG |
501 | if (ret) { |
502 | goto error; | |
503 | } | |
504 | ||
505 | ret_field = bt_ctf_field_create(field_type); | |
506 | if (!ret_field) { | |
507 | goto error; | |
508 | } | |
509 | ||
510 | structure->fields->pdata[index] = ret_field; | |
511 | end: | |
83509119 | 512 | bt_get(ret_field); |
cd95e351 | 513 | error: |
83509119 | 514 | bt_put(field_type); |
cd95e351 JG |
515 | return ret_field; |
516 | } | |
517 | ||
273b65be JG |
518 | BT_HIDDEN |
519 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
520 | const char *name, struct bt_ctf_field *value) | |
521 | { | |
522 | int ret = 0; | |
523 | GQuark field_quark; | |
524 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 525 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
526 | size_t index; |
527 | ||
528 | if (!field || !name || !value || | |
529 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 530 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
531 | ret = -1; |
532 | goto end; | |
533 | } | |
534 | ||
535 | field_quark = g_quark_from_string(name); | |
536 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
537 | expected_field_type = |
538 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
539 | name); | |
09840de5 PP |
540 | |
541 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { | |
273b65be JG |
542 | ret = -1; |
543 | goto end; | |
544 | } | |
545 | ||
546 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
547 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
548 | goto end; | |
549 | } | |
550 | ||
551 | if (structure->fields->pdata[index]) { | |
83509119 | 552 | bt_put(structure->fields->pdata[index]); |
273b65be JG |
553 | } |
554 | ||
555 | structure->fields->pdata[index] = value; | |
83509119 | 556 | bt_get(value); |
273b65be | 557 | end: |
b92ddaaa | 558 | if (expected_field_type) { |
83509119 | 559 | bt_put(expected_field_type); |
b92ddaaa | 560 | } |
273b65be JG |
561 | return ret; |
562 | } | |
563 | ||
564 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
565 | uint64_t index) | |
566 | { | |
567 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 568 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 569 | struct bt_ctf_field_array *array; |
273b65be JG |
570 | |
571 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 572 | BT_CTF_TYPE_ID_ARRAY) { |
273b65be JG |
573 | goto end; |
574 | } | |
575 | ||
576 | array = container_of(field, struct bt_ctf_field_array, parent); | |
577 | if (index >= array->elements->len) { | |
578 | goto end; | |
579 | } | |
580 | ||
b92ddaaa | 581 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
582 | if (array->elements->pdata[(size_t)index]) { |
583 | new_field = array->elements->pdata[(size_t)index]; | |
584 | goto end; | |
585 | } | |
586 | ||
587 | new_field = bt_ctf_field_create(field_type); | |
273b65be JG |
588 | array->elements->pdata[(size_t)index] = new_field; |
589 | end: | |
b92ddaaa | 590 | if (field_type) { |
83509119 | 591 | bt_put(field_type); |
b92ddaaa | 592 | } |
92c8b4f9 | 593 | if (new_field) { |
83509119 | 594 | bt_get(new_field); |
92c8b4f9 | 595 | } |
273b65be JG |
596 | return new_field; |
597 | } | |
598 | ||
599 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
600 | uint64_t index) | |
601 | { | |
602 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 603 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 604 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
605 | |
606 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 607 | BT_CTF_TYPE_ID_SEQUENCE) { |
273b65be JG |
608 | goto end; |
609 | } | |
610 | ||
611 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
612 | if (!sequence->elements || sequence->elements->len <= index) { | |
613 | goto end; | |
614 | } | |
615 | ||
b92ddaaa | 616 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
83509119 JG |
617 | if (sequence->elements->pdata[(size_t) index]) { |
618 | new_field = sequence->elements->pdata[(size_t) index]; | |
273b65be JG |
619 | goto end; |
620 | } | |
621 | ||
622 | new_field = bt_ctf_field_create(field_type); | |
83509119 | 623 | sequence->elements->pdata[(size_t) index] = new_field; |
273b65be | 624 | end: |
b92ddaaa | 625 | if (field_type) { |
83509119 | 626 | bt_put(field_type); |
b92ddaaa | 627 | } |
92c8b4f9 | 628 | if (new_field) { |
83509119 | 629 | bt_get(new_field); |
92c8b4f9 | 630 | } |
273b65be JG |
631 | return new_field; |
632 | } | |
633 | ||
634 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
635 | struct bt_ctf_field *tag_field) | |
636 | { | |
637 | struct bt_ctf_field *new_field = NULL; | |
638 | struct bt_ctf_field_variant *variant; | |
639 | struct bt_ctf_field_type_variant *variant_type; | |
640 | struct bt_ctf_field_type *field_type; | |
641 | struct bt_ctf_field *tag_enum = NULL; | |
642 | struct bt_ctf_field_integer *tag_enum_integer; | |
643 | int64_t tag_enum_value; | |
644 | ||
645 | if (!field || !tag_field || | |
646 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 647 | BT_CTF_TYPE_ID_VARIANT || |
273b65be | 648 | bt_ctf_field_type_get_type_id(tag_field->type) != |
9a19a512 | 649 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
650 | goto end; |
651 | } | |
652 | ||
653 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
654 | variant_type = container_of(field->type, | |
655 | struct bt_ctf_field_type_variant, parent); | |
656 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
657 | if (!tag_enum) { | |
658 | goto end; | |
659 | } | |
660 | ||
661 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
662 | parent); | |
663 | ||
2c661a4d | 664 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
665 | goto end; |
666 | } | |
667 | ||
668 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
2829190c PP |
669 | |
670 | /* | |
671 | * If the variant currently has a tag and a payload, and if the | |
672 | * requested tag value is the same as the current one, return | |
673 | * the current payload instead of creating a fresh one. | |
674 | */ | |
675 | if (variant->tag && variant->payload) { | |
676 | struct bt_ctf_field *cur_tag_container = NULL; | |
677 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
678 | int64_t cur_tag_value; | |
679 | ||
680 | cur_tag_container = | |
681 | bt_ctf_field_enumeration_get_container(variant->tag); | |
9a5df386 | 682 | assert(cur_tag_container); |
2829190c PP |
683 | cur_tag_enum_integer = container_of(cur_tag_container, |
684 | struct bt_ctf_field_integer, parent); | |
83509119 | 685 | bt_put(cur_tag_container); |
2829190c PP |
686 | cur_tag_value = cur_tag_enum_integer->definition.value._signed; |
687 | ||
688 | if (cur_tag_value == tag_enum_value) { | |
689 | new_field = variant->payload; | |
83509119 | 690 | bt_get(new_field); |
2829190c PP |
691 | goto end; |
692 | } | |
693 | } | |
694 | ||
b92ddaaa JG |
695 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
696 | variant_type, tag_enum_value); | |
273b65be JG |
697 | if (!field_type) { |
698 | goto end; | |
699 | } | |
700 | ||
701 | new_field = bt_ctf_field_create(field_type); | |
702 | if (!new_field) { | |
703 | goto end; | |
704 | } | |
705 | ||
83509119 JG |
706 | bt_put(variant->tag); |
707 | bt_put(variant->payload); | |
708 | bt_get(new_field); | |
709 | bt_get(tag_field); | |
273b65be JG |
710 | variant->tag = tag_field; |
711 | variant->payload = new_field; | |
712 | end: | |
83509119 | 713 | bt_put(tag_enum); |
273b65be JG |
714 | return new_field; |
715 | } | |
716 | ||
3f4a108d PP |
717 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
718 | struct bt_ctf_field *variant_field) | |
719 | { | |
720 | struct bt_ctf_field *current_field = NULL; | |
721 | struct bt_ctf_field_variant *variant; | |
722 | ||
723 | if (!variant_field || | |
724 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
9a19a512 | 725 | BT_CTF_TYPE_ID_VARIANT) { |
3f4a108d PP |
726 | goto end; |
727 | } | |
728 | ||
729 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
730 | parent); | |
731 | ||
732 | if (variant->payload) { | |
733 | current_field = variant->payload; | |
83509119 | 734 | bt_get(current_field); |
3f4a108d PP |
735 | goto end; |
736 | } | |
737 | ||
738 | end: | |
739 | return current_field; | |
740 | } | |
741 | ||
273b65be JG |
742 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
743 | struct bt_ctf_field *field) | |
744 | { | |
745 | struct bt_ctf_field *container = NULL; | |
746 | struct bt_ctf_field_enumeration *enumeration; | |
747 | ||
b92ddaaa | 748 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 749 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
750 | goto end; |
751 | } | |
752 | ||
753 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
754 | parent); | |
755 | if (!enumeration->payload) { | |
756 | struct bt_ctf_field_type_enumeration *enumeration_type = | |
757 | container_of(field->type, | |
758 | struct bt_ctf_field_type_enumeration, parent); | |
759 | enumeration->payload = | |
760 | bt_ctf_field_create(enumeration_type->container); | |
761 | } | |
762 | ||
763 | container = enumeration->payload; | |
83509119 | 764 | bt_get(container); |
273b65be JG |
765 | end: |
766 | return container; | |
767 | } | |
768 | ||
cd95e351 JG |
769 | const char *bt_ctf_field_enumeration_get_mapping_name( |
770 | struct bt_ctf_field *field) | |
771 | { | |
772 | int ret; | |
773 | const char *name = NULL; | |
774 | struct bt_ctf_field *container = NULL; | |
775 | struct bt_ctf_field_type *container_type = NULL; | |
776 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
777 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
778 | ||
779 | container = bt_ctf_field_enumeration_get_container(field); | |
780 | if (!container) { | |
781 | goto end; | |
782 | } | |
783 | ||
784 | container_type = bt_ctf_field_get_type(container); | |
785 | if (!container_type) { | |
786 | goto error_put_container; | |
787 | } | |
788 | ||
789 | integer_type = container_of(container_type, | |
790 | struct bt_ctf_field_type_integer, parent); | |
791 | enumeration_type = container_of(field->type, | |
792 | struct bt_ctf_field_type_enumeration, parent); | |
793 | ||
10817e06 | 794 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
795 | uint64_t value; |
796 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
797 | &value); | |
798 | if (ret) { | |
799 | goto error_put_container_type; | |
800 | } | |
801 | ||
802 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
803 | enumeration_type, value); | |
804 | } else { | |
805 | int64_t value; | |
806 | ret = bt_ctf_field_signed_integer_get_value(container, | |
807 | &value); | |
808 | if (ret) { | |
809 | goto error_put_container_type; | |
810 | } | |
811 | ||
812 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
813 | enumeration_type, value); | |
814 | } | |
815 | ||
816 | error_put_container_type: | |
83509119 | 817 | bt_put(container_type); |
cd95e351 | 818 | error_put_container: |
83509119 | 819 | bt_put(container); |
cd95e351 JG |
820 | end: |
821 | return name; | |
822 | } | |
823 | ||
824 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
825 | int64_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) != | |
9a19a512 | 833 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
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._signed; | |
848 | end: | |
849 | return ret; | |
850 | } | |
851 | ||
273b65be JG |
852 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
853 | int64_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 | int64_t min_value, max_value; | |
860 | ||
861 | if (!field || | |
862 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 863 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
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 | min_value = -((int64_t)1 << (size - 1)); | |
878 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
879 | if (value < min_value || value > max_value) { | |
880 | ret = -1; | |
881 | goto end; | |
882 | } | |
883 | ||
884 | integer->definition.value._signed = value; | |
885 | integer->parent.payload_set = 1; | |
886 | end: | |
887 | return ret; | |
888 | } | |
889 | ||
cd95e351 JG |
890 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
891 | uint64_t *value) | |
892 | { | |
893 | int ret = 0; | |
894 | struct bt_ctf_field_integer *integer; | |
895 | struct bt_ctf_field_type_integer *integer_type; | |
896 | ||
897 | if (!field || !value || !field->payload_set || | |
898 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 899 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
900 | ret = -1; |
901 | goto end; | |
902 | } | |
903 | ||
904 | integer_type = container_of(field->type, | |
905 | struct bt_ctf_field_type_integer, parent); | |
906 | if (integer_type->declaration.signedness) { | |
907 | ret = -1; | |
908 | goto end; | |
909 | } | |
910 | ||
911 | integer = container_of(field, | |
912 | struct bt_ctf_field_integer, parent); | |
913 | *value = integer->definition.value._unsigned; | |
914 | end: | |
915 | return ret; | |
916 | } | |
917 | ||
273b65be JG |
918 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
919 | uint64_t value) | |
920 | { | |
921 | int ret = 0; | |
922 | struct bt_ctf_field_integer *integer; | |
923 | struct bt_ctf_field_type_integer *integer_type; | |
924 | unsigned int size; | |
925 | uint64_t max_value; | |
926 | ||
927 | if (!field || | |
928 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 929 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
930 | ret = -1; |
931 | goto end; | |
932 | } | |
933 | ||
934 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
935 | integer_type = container_of(field->type, | |
936 | struct bt_ctf_field_type_integer, parent); | |
937 | if (integer_type->declaration.signedness) { | |
938 | ret = -1; | |
939 | goto end; | |
940 | } | |
941 | ||
942 | size = integer_type->declaration.len; | |
943 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
944 | if (value > max_value) { | |
945 | ret = -1; | |
946 | goto end; | |
947 | } | |
948 | ||
949 | integer->definition.value._unsigned = value; | |
950 | integer->parent.payload_set = 1; | |
951 | end: | |
952 | return ret; | |
953 | } | |
954 | ||
cd95e351 JG |
955 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
956 | double *value) | |
957 | { | |
958 | int ret = 0; | |
959 | struct bt_ctf_field_floating_point *floating_point; | |
960 | ||
961 | if (!field || !value || !field->payload_set || | |
962 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 963 | BT_CTF_TYPE_ID_FLOAT) { |
cd95e351 JG |
964 | ret = -1; |
965 | goto end; | |
966 | } | |
967 | ||
968 | floating_point = container_of(field, | |
969 | struct bt_ctf_field_floating_point, parent); | |
970 | *value = floating_point->definition.value; | |
971 | end: | |
972 | return ret; | |
973 | } | |
974 | ||
273b65be JG |
975 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
976 | double value) | |
977 | { | |
978 | int ret = 0; | |
979 | struct bt_ctf_field_floating_point *floating_point; | |
980 | ||
981 | if (!field || | |
982 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 983 | BT_CTF_TYPE_ID_FLOAT) { |
273b65be JG |
984 | ret = -1; |
985 | goto end; | |
986 | } | |
987 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
988 | parent); | |
989 | floating_point->definition.value = value; | |
990 | floating_point->parent.payload_set = 1; | |
991 | end: | |
992 | return ret; | |
993 | } | |
994 | ||
cd95e351 JG |
995 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
996 | { | |
997 | const char *ret = NULL; | |
998 | struct bt_ctf_field_string *string; | |
999 | ||
1000 | if (!field || !field->payload_set || | |
1001 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1002 | BT_CTF_TYPE_ID_STRING) { |
cd95e351 JG |
1003 | goto end; |
1004 | } | |
1005 | ||
1006 | string = container_of(field, | |
1007 | struct bt_ctf_field_string, parent); | |
1008 | ret = string->payload->str; | |
1009 | end: | |
1010 | return ret; | |
1011 | } | |
1012 | ||
273b65be JG |
1013 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
1014 | const char *value) | |
1015 | { | |
1016 | int ret = 0; | |
1017 | struct bt_ctf_field_string *string; | |
1018 | ||
1019 | if (!field || !value || | |
1020 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1021 | BT_CTF_TYPE_ID_STRING) { |
273b65be JG |
1022 | ret = -1; |
1023 | goto end; | |
1024 | } | |
1025 | ||
1026 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1027 | if (string->payload) { | |
97736814 JG |
1028 | g_string_assign(string->payload, value); |
1029 | } else { | |
1030 | string->payload = g_string_new(value); | |
273b65be JG |
1031 | } |
1032 | ||
273b65be JG |
1033 | string->parent.payload_set = 1; |
1034 | end: | |
1035 | return ret; | |
1036 | } | |
1037 | ||
c6f9c5a3 PP |
1038 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
1039 | const char *value) | |
1040 | { | |
1041 | int ret = 0; | |
1042 | struct bt_ctf_field_string *string_field; | |
1043 | ||
1044 | if (!field || !value || | |
1045 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1046 | BT_CTF_TYPE_ID_STRING) { |
c6f9c5a3 PP |
1047 | ret = -1; |
1048 | goto end; | |
1049 | } | |
1050 | ||
1051 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1052 | ||
1053 | if (string_field->payload) { | |
1054 | g_string_append(string_field->payload, value); | |
1055 | } else { | |
1056 | string_field->payload = g_string_new(value); | |
1057 | } | |
1058 | ||
1059 | string_field->parent.payload_set = 1; | |
1060 | ||
1061 | end: | |
1062 | return ret; | |
1063 | } | |
1064 | ||
f98c6554 PP |
1065 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1066 | const char *value, unsigned int length) | |
1067 | { | |
1068 | int i; | |
1069 | int ret = 0; | |
1070 | unsigned int effective_length = length; | |
1071 | struct bt_ctf_field_string *string_field; | |
1072 | ||
1073 | if (!field || !value || | |
1074 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1075 | BT_CTF_TYPE_ID_STRING) { |
f98c6554 PP |
1076 | ret = -1; |
1077 | goto end; | |
1078 | } | |
1079 | ||
1080 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1081 | ||
1082 | /* make sure no null bytes are appended */ | |
1083 | for (i = 0; i < length; ++i) { | |
1084 | if (value[i] == '\0') { | |
1085 | effective_length = i; | |
1086 | break; | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | if (string_field->payload) { | |
ce6d5230 | 1091 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1092 | effective_length); |
1093 | } else { | |
1094 | string_field->payload = g_string_new_len(value, | |
1095 | effective_length); | |
1096 | } | |
1097 | ||
1098 | string_field->parent.payload_set = 1; | |
1099 | ||
1100 | end: | |
1101 | return ret; | |
1102 | } | |
1103 | ||
273b65be JG |
1104 | BT_HIDDEN |
1105 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1106 | { | |
1107 | int ret = 0; | |
9a19a512 | 1108 | enum bt_ctf_type_id type_id; |
273b65be JG |
1109 | |
1110 | if (!field) { | |
1111 | ret = -1; | |
1112 | goto end; | |
1113 | } | |
1114 | ||
1115 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1116 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1117 | ret = -1; |
1118 | goto end; | |
1119 | } | |
1120 | ||
1121 | ret = field_validate_funcs[type_id](field); | |
1122 | end: | |
1123 | return ret; | |
1124 | } | |
1125 | ||
12c8a1a3 JG |
1126 | BT_HIDDEN |
1127 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1128 | { | |
1129 | int ret = 0; | |
9a19a512 | 1130 | enum bt_ctf_type_id type_id; |
12c8a1a3 JG |
1131 | |
1132 | if (!field) { | |
1133 | ret = -1; | |
1134 | goto end; | |
1135 | } | |
1136 | ||
1137 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1138 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
12c8a1a3 JG |
1139 | ret = -1; |
1140 | goto end; | |
1141 | } | |
1142 | ||
1143 | ret = field_reset_funcs[type_id](field); | |
1144 | end: | |
1145 | return ret; | |
1146 | } | |
1147 | ||
273b65be JG |
1148 | BT_HIDDEN |
1149 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
1150 | struct ctf_stream_pos *pos) | |
1151 | { | |
1152 | int ret = 0; | |
9a19a512 | 1153 | enum bt_ctf_type_id type_id; |
273b65be JG |
1154 | |
1155 | if (!field || !pos) { | |
1156 | ret = -1; | |
1157 | goto end; | |
1158 | } | |
1159 | ||
1160 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1161 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1162 | ret = -1; |
1163 | goto end; | |
1164 | } | |
1165 | ||
1166 | ret = field_serialize_funcs[type_id](field, pos); | |
1167 | end: | |
1168 | return ret; | |
1169 | } | |
1170 | ||
87d43dc1 JG |
1171 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1172 | { | |
1173 | int ret; | |
1174 | struct bt_ctf_field *copy = NULL; | |
9a19a512 | 1175 | enum bt_ctf_type_id type_id; |
87d43dc1 JG |
1176 | |
1177 | if (!field) { | |
87d43dc1 JG |
1178 | goto end; |
1179 | } | |
1180 | ||
1181 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1182 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
87d43dc1 JG |
1183 | goto end; |
1184 | } | |
1185 | ||
1186 | copy = bt_ctf_field_create(field->type); | |
1187 | if (!copy) { | |
1188 | goto end; | |
1189 | } | |
1190 | ||
70996764 | 1191 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1192 | ret = field_copy_funcs[type_id](field, copy); |
1193 | if (ret) { | |
83509119 | 1194 | bt_put(copy); |
87d43dc1 JG |
1195 | copy = NULL; |
1196 | } | |
1197 | end: | |
1198 | return copy; | |
1199 | } | |
1200 | ||
273b65be JG |
1201 | static |
1202 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1203 | { | |
1204 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1205 | struct bt_ctf_field_type_integer, parent); | |
1206 | struct bt_ctf_field_integer *integer = g_new0( | |
1207 | struct bt_ctf_field_integer, 1); | |
1208 | ||
1209 | if (integer) { | |
1210 | integer->definition.declaration = &integer_type->declaration; | |
1211 | } | |
1212 | ||
1213 | return integer ? &integer->parent : NULL; | |
1214 | } | |
1215 | ||
1216 | static | |
1217 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1218 | struct bt_ctf_field_type *type) | |
1219 | { | |
1220 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1221 | struct bt_ctf_field_enumeration, 1); | |
1222 | ||
1223 | return enumeration ? &enumeration->parent : NULL; | |
1224 | } | |
1225 | ||
1226 | static | |
1227 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1228 | struct bt_ctf_field_type *type) | |
1229 | { | |
1230 | struct bt_ctf_field_floating_point *floating_point; | |
1231 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1232 | ||
1233 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1234 | if (!floating_point) { | |
1235 | goto end; | |
1236 | } | |
1237 | ||
1238 | floating_point_type = container_of(type, | |
1239 | struct bt_ctf_field_type_floating_point, parent); | |
1240 | floating_point->definition.declaration = container_of( | |
1241 | type->declaration, struct declaration_float, p); | |
1242 | ||
1243 | ||
1244 | floating_point->definition.sign = &floating_point->sign; | |
1245 | floating_point->sign.declaration = &floating_point_type->sign; | |
1246 | floating_point->definition.sign->p.declaration = | |
1247 | &floating_point_type->sign.p; | |
1248 | ||
1249 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1250 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1251 | floating_point->definition.mantissa->p.declaration = | |
1252 | &floating_point_type->mantissa.p; | |
1253 | ||
1254 | floating_point->definition.exp = &floating_point->exp; | |
1255 | floating_point->exp.declaration = &floating_point_type->exp; | |
1256 | floating_point->definition.exp->p.declaration = | |
1257 | &floating_point_type->exp.p; | |
1258 | ||
1259 | end: | |
1260 | return floating_point ? &floating_point->parent : NULL; | |
1261 | } | |
1262 | ||
1263 | static | |
1264 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1265 | struct bt_ctf_field_type *type) | |
1266 | { | |
1267 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1268 | struct bt_ctf_field_type_structure, parent); | |
1269 | struct bt_ctf_field_structure *structure = g_new0( | |
1270 | struct bt_ctf_field_structure, 1); | |
1271 | struct bt_ctf_field *field = NULL; | |
1272 | ||
8c1aa858 | 1273 | if (!structure) { |
273b65be JG |
1274 | goto end; |
1275 | } | |
1276 | ||
1277 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1278 | structure->fields = g_ptr_array_new_with_free_func( | |
1279 | (GDestroyNotify)bt_ctf_field_put); | |
1280 | g_ptr_array_set_size(structure->fields, | |
1281 | g_hash_table_size(structure->field_name_to_index)); | |
1282 | field = &structure->parent; | |
1283 | end: | |
1284 | return field; | |
1285 | } | |
1286 | ||
1287 | static | |
1288 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1289 | { | |
1290 | struct bt_ctf_field_variant *variant = g_new0( | |
1291 | struct bt_ctf_field_variant, 1); | |
1292 | return variant ? &variant->parent : NULL; | |
1293 | } | |
1294 | ||
1295 | static | |
1296 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1297 | { | |
1298 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1299 | struct bt_ctf_field_type_array *array_type; | |
1300 | unsigned int array_length; | |
1301 | ||
1302 | if (!array || !type) { | |
1303 | goto error; | |
1304 | } | |
1305 | ||
1306 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1307 | array_length = array_type->length; | |
fe0fe95c | 1308 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1309 | if (!array->elements) { |
1310 | goto error; | |
1311 | } | |
1312 | ||
fe0fe95c JG |
1313 | g_ptr_array_set_free_func(array->elements, |
1314 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1315 | g_ptr_array_set_size(array->elements, array_length); |
1316 | return &array->parent; | |
1317 | error: | |
1318 | g_free(array); | |
1319 | return NULL; | |
1320 | } | |
1321 | ||
1322 | static | |
1323 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1324 | struct bt_ctf_field_type *type) | |
1325 | { | |
1326 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1327 | struct bt_ctf_field_sequence, 1); | |
1328 | return sequence ? &sequence->parent : NULL; | |
1329 | } | |
1330 | ||
1331 | static | |
1332 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1333 | { | |
1334 | struct bt_ctf_field_string *string = g_new0( | |
1335 | struct bt_ctf_field_string, 1); | |
1336 | return string ? &string->parent : NULL; | |
1337 | } | |
1338 | ||
1339 | static | |
83509119 | 1340 | void bt_ctf_field_destroy(struct bt_object *obj) |
273b65be JG |
1341 | { |
1342 | struct bt_ctf_field *field; | |
1343 | struct bt_ctf_field_type *type; | |
9a19a512 | 1344 | enum bt_ctf_type_id type_id; |
273b65be | 1345 | |
83509119 | 1346 | field = container_of(obj, struct bt_ctf_field, base); |
273b65be JG |
1347 | type = field->type; |
1348 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
1349 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
1350 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
273b65be JG |
1351 | return; |
1352 | } | |
1353 | ||
1354 | field_destroy_funcs[type_id](field); | |
83509119 | 1355 | bt_put(type); |
273b65be JG |
1356 | } |
1357 | ||
1358 | static | |
1359 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1360 | { | |
1361 | struct bt_ctf_field_integer *integer; | |
1362 | ||
1363 | if (!field) { | |
1364 | return; | |
1365 | } | |
1366 | ||
1367 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1368 | g_free(integer); | |
1369 | } | |
1370 | ||
1371 | static | |
1372 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1373 | { | |
1374 | struct bt_ctf_field_enumeration *enumeration; | |
1375 | ||
1376 | if (!field) { | |
1377 | return; | |
1378 | } | |
1379 | ||
1380 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1381 | parent); | |
83509119 | 1382 | bt_put(enumeration->payload); |
273b65be JG |
1383 | g_free(enumeration); |
1384 | } | |
1385 | ||
1386 | static | |
1387 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1388 | { | |
1389 | struct bt_ctf_field_floating_point *floating_point; | |
1390 | ||
1391 | if (!field) { | |
1392 | return; | |
1393 | } | |
1394 | ||
1395 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1396 | parent); | |
1397 | g_free(floating_point); | |
1398 | } | |
1399 | ||
1400 | static | |
1401 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1402 | { | |
1403 | struct bt_ctf_field_structure *structure; | |
1404 | ||
1405 | if (!field) { | |
1406 | return; | |
1407 | } | |
1408 | ||
1409 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1410 | g_ptr_array_free(structure->fields, TRUE); | |
1411 | g_free(structure); | |
1412 | } | |
1413 | ||
1414 | static | |
1415 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1416 | { | |
1417 | struct bt_ctf_field_variant *variant; | |
1418 | ||
1419 | if (!field) { | |
1420 | return; | |
1421 | } | |
1422 | ||
1423 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
83509119 JG |
1424 | bt_put(variant->tag); |
1425 | bt_put(variant->payload); | |
273b65be JG |
1426 | g_free(variant); |
1427 | } | |
1428 | ||
1429 | static | |
1430 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1431 | { | |
1432 | struct bt_ctf_field_array *array; | |
1433 | ||
1434 | if (!field) { | |
1435 | return; | |
1436 | } | |
1437 | ||
1438 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1439 | g_ptr_array_free(array->elements, TRUE); | |
1440 | g_free(array); | |
1441 | } | |
1442 | ||
1443 | static | |
1444 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1445 | { | |
1446 | struct bt_ctf_field_sequence *sequence; | |
1447 | ||
1448 | if (!field) { | |
1449 | return; | |
1450 | } | |
1451 | ||
1452 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1453 | if (sequence->elements) { |
1454 | g_ptr_array_free(sequence->elements, TRUE); | |
1455 | } | |
83509119 | 1456 | bt_put(sequence->length); |
273b65be JG |
1457 | g_free(sequence); |
1458 | } | |
1459 | ||
1460 | static | |
1461 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1462 | { | |
1463 | struct bt_ctf_field_string *string; | |
1464 | if (!field) { | |
1465 | return; | |
1466 | } | |
1467 | ||
1468 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1469 | if (string->payload) { |
1470 | g_string_free(string->payload, TRUE); | |
1471 | } | |
273b65be JG |
1472 | g_free(string); |
1473 | } | |
1474 | ||
1475 | static | |
1476 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1477 | { | |
da2f6971 | 1478 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1479 | } |
1480 | ||
1481 | static | |
1482 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1483 | { | |
1484 | int ret; | |
1485 | struct bt_ctf_field_enumeration *enumeration; | |
1486 | ||
1487 | if (!field) { | |
1488 | ret = -1; | |
1489 | goto end; | |
1490 | } | |
1491 | ||
1492 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1493 | parent); | |
1494 | if (!enumeration->payload) { | |
1495 | ret = -1; | |
1496 | goto end; | |
1497 | } | |
1498 | ||
1499 | ret = bt_ctf_field_validate(enumeration->payload); | |
1500 | end: | |
1501 | return ret; | |
1502 | } | |
1503 | ||
1504 | static | |
1505 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1506 | { | |
1507 | size_t i; | |
1508 | int ret = 0; | |
1509 | struct bt_ctf_field_structure *structure; | |
1510 | ||
1511 | if (!field) { | |
1512 | ret = -1; | |
1513 | goto end; | |
1514 | } | |
1515 | ||
1516 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1517 | for (i = 0; i < structure->fields->len; i++) { | |
1518 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1519 | if (ret) { | |
1520 | goto end; | |
1521 | } | |
1522 | } | |
1523 | end: | |
1524 | return ret; | |
1525 | } | |
1526 | ||
1527 | static | |
1528 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1529 | { | |
1530 | int ret = 0; | |
1531 | struct bt_ctf_field_variant *variant; | |
1532 | ||
1533 | if (!field) { | |
1534 | ret = -1; | |
1535 | goto end; | |
1536 | } | |
1537 | ||
1538 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1539 | ret = bt_ctf_field_validate(variant->payload); | |
1540 | end: | |
1541 | return ret; | |
1542 | } | |
1543 | ||
1544 | static | |
1545 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1546 | { | |
1547 | size_t i; | |
1548 | int ret = 0; | |
1549 | struct bt_ctf_field_array *array; | |
1550 | ||
1551 | if (!field) { | |
1552 | ret = -1; | |
1553 | goto end; | |
1554 | } | |
1555 | ||
1556 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1557 | for (i = 0; i < array->elements->len; i++) { | |
1558 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1559 | if (ret) { | |
1560 | goto end; | |
1561 | } | |
1562 | } | |
1563 | end: | |
1564 | return ret; | |
1565 | } | |
1566 | ||
1567 | static | |
1568 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1569 | { | |
1570 | size_t i; | |
1571 | int ret = 0; | |
1572 | struct bt_ctf_field_sequence *sequence; | |
1573 | ||
1574 | if (!field) { | |
1575 | ret = -1; | |
1576 | goto end; | |
1577 | } | |
1578 | ||
1579 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1580 | for (i = 0; i < sequence->elements->len; i++) { | |
1581 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1582 | if (ret) { | |
1583 | goto end; | |
1584 | } | |
1585 | } | |
1586 | end: | |
1587 | return ret; | |
1588 | } | |
1589 | ||
12c8a1a3 JG |
1590 | static |
1591 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1592 | { | |
1593 | int ret = 0; | |
1594 | ||
1595 | if (!field) { | |
1596 | ret = -1; | |
1597 | goto end; | |
1598 | } | |
1599 | ||
1600 | field->payload_set = 0; | |
1601 | end: | |
1602 | return ret; | |
1603 | } | |
1604 | ||
1605 | static | |
1606 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1607 | { | |
1608 | int ret = 0; | |
1609 | struct bt_ctf_field_enumeration *enumeration; | |
1610 | ||
1611 | if (!field) { | |
1612 | ret = -1; | |
1613 | goto end; | |
1614 | } | |
1615 | ||
1616 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1617 | parent); | |
1618 | if (!enumeration->payload) { | |
1619 | goto end; | |
1620 | } | |
1621 | ||
1622 | ret = bt_ctf_field_reset(enumeration->payload); | |
1623 | end: | |
1624 | return ret; | |
1625 | } | |
1626 | ||
1627 | static | |
1628 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1629 | { | |
1630 | size_t i; | |
1631 | int ret = 0; | |
1632 | struct bt_ctf_field_structure *structure; | |
1633 | ||
1634 | if (!field) { | |
1635 | ret = -1; | |
1636 | goto end; | |
1637 | } | |
1638 | ||
1639 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1640 | for (i = 0; i < structure->fields->len; i++) { | |
1641 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1642 | ||
1643 | if (!member) { | |
1644 | /* | |
1645 | * Structure members are lazily initialized; skip if | |
1646 | * this member has not been allocated yet. | |
1647 | */ | |
1648 | continue; | |
1649 | } | |
1650 | ||
1651 | ret = bt_ctf_field_reset(member); | |
1652 | if (ret) { | |
1653 | goto end; | |
1654 | } | |
1655 | } | |
1656 | end: | |
1657 | return ret; | |
1658 | } | |
1659 | ||
1660 | static | |
1661 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1662 | { | |
1663 | int ret = 0; | |
1664 | struct bt_ctf_field_variant *variant; | |
1665 | ||
1666 | if (!field) { | |
1667 | ret = -1; | |
1668 | goto end; | |
1669 | } | |
1670 | ||
1671 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1672 | if (variant->payload) { | |
1673 | ret = bt_ctf_field_reset(variant->payload); | |
1674 | } | |
1675 | end: | |
1676 | return ret; | |
1677 | } | |
1678 | ||
1679 | static | |
1680 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1681 | { | |
1682 | size_t i; | |
1683 | int ret = 0; | |
1684 | struct bt_ctf_field_array *array; | |
1685 | ||
1686 | if (!field) { | |
1687 | ret = -1; | |
1688 | goto end; | |
1689 | } | |
1690 | ||
1691 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1692 | for (i = 0; i < array->elements->len; i++) { | |
1693 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1694 | ||
1695 | if (!member) { | |
1696 | /* | |
1697 | * Array elements are lazily initialized; skip if | |
1698 | * this member has not been allocated yet. | |
1699 | */ | |
1700 | continue; | |
1701 | } | |
1702 | ||
1703 | ret = bt_ctf_field_reset(member); | |
1704 | if (ret) { | |
1705 | goto end; | |
1706 | } | |
1707 | } | |
1708 | end: | |
1709 | return ret; | |
1710 | } | |
1711 | ||
1712 | static | |
1713 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1714 | { | |
1715 | size_t i; | |
1716 | int ret = 0; | |
1717 | struct bt_ctf_field_sequence *sequence; | |
1718 | ||
1719 | if (!field) { | |
1720 | ret = -1; | |
1721 | goto end; | |
1722 | } | |
1723 | ||
1724 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1725 | for (i = 0; i < sequence->elements->len; i++) { | |
1726 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1727 | ||
1728 | if (!member) { | |
1729 | /* | |
1730 | * Sequence elements are lazily initialized; skip if | |
1731 | * this member has not been allocated yet. | |
1732 | */ | |
1733 | continue; | |
1734 | } | |
1735 | ||
1736 | ret = bt_ctf_field_reset(member); | |
1737 | if (ret) { | |
1738 | goto end; | |
1739 | } | |
1740 | } | |
1741 | end: | |
1742 | return ret; | |
1743 | } | |
1744 | ||
1745 | static | |
1746 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1747 | { | |
1748 | int ret = 0; | |
1749 | struct bt_ctf_field_string *string; | |
1750 | ||
1751 | if (!field) { | |
1752 | ret = -1; | |
1753 | goto end; | |
1754 | } | |
1755 | ||
1756 | ret = bt_ctf_field_generic_reset(field); | |
1757 | if (ret) { | |
1758 | goto end; | |
1759 | } | |
1760 | ||
1761 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1762 | if (string->payload) { | |
1763 | g_string_truncate(string->payload, 0); | |
1764 | } | |
1765 | end: | |
1766 | return ret; | |
1767 | } | |
1768 | ||
273b65be JG |
1769 | static |
1770 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1771 | struct ctf_stream_pos *pos) | |
1772 | { | |
1773 | int ret = 0; | |
1774 | struct bt_ctf_field_integer *integer = container_of(field, | |
1775 | struct bt_ctf_field_integer, parent); | |
1776 | ||
1777 | retry: | |
1778 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1779 | if (ret == -EFAULT) { | |
1780 | /* | |
1781 | * The field is too large to fit in the current packet's | |
1782 | * remaining space. Bump the packet size and retry. | |
1783 | */ | |
1784 | ret = increase_packet_size(pos); | |
1785 | if (ret) { | |
1786 | goto end; | |
1787 | } | |
1788 | goto retry; | |
1789 | } | |
1790 | end: | |
1791 | return ret; | |
1792 | } | |
1793 | ||
1794 | static | |
1795 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1796 | struct ctf_stream_pos *pos) | |
1797 | { | |
1798 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1799 | field, struct bt_ctf_field_enumeration, parent); | |
1800 | ||
1801 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1802 | } | |
1803 | ||
1804 | static | |
1805 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1806 | struct ctf_stream_pos *pos) | |
1807 | { | |
1808 | int ret = 0; | |
1809 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1810 | struct bt_ctf_field_floating_point, parent); | |
1811 | ||
1812 | retry: | |
1813 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1814 | if (ret == -EFAULT) { | |
1815 | /* | |
1816 | * The field is too large to fit in the current packet's | |
1817 | * remaining space. Bump the packet size and retry. | |
1818 | */ | |
1819 | ret = increase_packet_size(pos); | |
1820 | if (ret) { | |
1821 | goto end; | |
1822 | } | |
1823 | goto retry; | |
1824 | } | |
1825 | end: | |
1826 | return ret; | |
1827 | } | |
1828 | ||
1829 | static | |
1830 | int bt_ctf_field_structure_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_structure *structure = container_of( | |
1836 | field, struct bt_ctf_field_structure, parent); | |
1837 | ||
1838 | while (!ctf_pos_access_ok(pos, | |
1839 | offset_align(pos->offset, | |
1840 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1841 | ret = increase_packet_size(pos); |
1842 | if (ret) { | |
1843 | goto end; | |
1844 | } | |
273b65be JG |
1845 | } |
1846 | ||
70fd5a51 MD |
1847 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1848 | ret = -1; | |
1849 | goto end; | |
1850 | } | |
273b65be JG |
1851 | |
1852 | for (i = 0; i < structure->fields->len; i++) { | |
1853 | struct bt_ctf_field *field = g_ptr_array_index( | |
1854 | structure->fields, i); | |
1855 | ||
1856 | ret = bt_ctf_field_serialize(field, pos); | |
1857 | if (ret) { | |
1858 | break; | |
1859 | } | |
1860 | } | |
9f56e450 | 1861 | end: |
273b65be JG |
1862 | return ret; |
1863 | } | |
1864 | ||
1865 | static | |
1866 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1867 | struct ctf_stream_pos *pos) | |
1868 | { | |
1869 | struct bt_ctf_field_variant *variant = container_of( | |
1870 | field, struct bt_ctf_field_variant, parent); | |
1871 | ||
1872 | return bt_ctf_field_serialize(variant->payload, pos); | |
1873 | } | |
1874 | ||
1875 | static | |
1876 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1877 | struct ctf_stream_pos *pos) | |
1878 | { | |
1879 | size_t i; | |
1880 | int ret = 0; | |
1881 | struct bt_ctf_field_array *array = container_of( | |
1882 | field, struct bt_ctf_field_array, parent); | |
1883 | ||
1884 | for (i = 0; i < array->elements->len; i++) { | |
1885 | ret = bt_ctf_field_serialize( | |
1886 | g_ptr_array_index(array->elements, i), pos); | |
1887 | if (ret) { | |
1888 | goto end; | |
1889 | } | |
1890 | } | |
1891 | end: | |
1892 | return ret; | |
1893 | } | |
1894 | ||
1895 | static | |
1896 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1897 | struct ctf_stream_pos *pos) | |
1898 | { | |
1899 | size_t i; | |
1900 | int ret = 0; | |
1901 | struct bt_ctf_field_sequence *sequence = container_of( | |
1902 | field, struct bt_ctf_field_sequence, parent); | |
1903 | ||
1904 | for (i = 0; i < sequence->elements->len; i++) { | |
1905 | ret = bt_ctf_field_serialize( | |
1906 | g_ptr_array_index(sequence->elements, i), pos); | |
1907 | if (ret) { | |
1908 | goto end; | |
1909 | } | |
1910 | } | |
1911 | end: | |
1912 | return ret; | |
1913 | } | |
1914 | ||
1915 | static | |
1916 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1917 | struct ctf_stream_pos *pos) | |
1918 | { | |
1919 | size_t i; | |
1920 | int ret = 0; | |
1921 | struct bt_ctf_field_string *string = container_of(field, | |
1922 | struct bt_ctf_field_string, parent); | |
1923 | struct bt_ctf_field_type *character_type = | |
1924 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1925 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1926 | ||
1927 | for (i = 0; i < string->payload->len + 1; i++) { | |
1928 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1929 | (uint64_t) string->payload->str[i]); | |
1930 | if (ret) { | |
1931 | goto end; | |
1932 | } | |
1933 | ||
1934 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1935 | if (ret) { | |
1936 | goto end; | |
1937 | } | |
1938 | } | |
1939 | end: | |
83509119 JG |
1940 | bt_put(character); |
1941 | bt_put(character_type); | |
273b65be JG |
1942 | return ret; |
1943 | } | |
1944 | ||
87d43dc1 JG |
1945 | static |
1946 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
1947 | struct bt_ctf_field *dst) | |
1948 | { | |
1949 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
1950 | ||
1951 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 1952 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
1953 | |
1954 | memcpy(&integer_dst->definition, &integer_src->definition, | |
1955 | sizeof(struct definition_integer)); | |
1956 | return 0; | |
1957 | } | |
1958 | ||
1959 | static | |
1960 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
1961 | struct bt_ctf_field *dst) | |
1962 | { | |
1963 | int ret = 0; | |
1964 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
1965 | ||
1966 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
1967 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
1968 | ||
1969 | if (enum_src->payload) { | |
1970 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
1971 | if (!enum_dst->payload) { | |
1972 | ret = -1; | |
1973 | goto end; | |
1974 | } | |
1975 | } | |
1976 | end: | |
1977 | return ret; | |
1978 | } | |
1979 | ||
1980 | static | |
1981 | int bt_ctf_field_floating_point_copy( | |
1982 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
1983 | { | |
1984 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
1985 | ||
1986 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
1987 | parent); | |
1988 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
1989 | parent); | |
1990 | ||
1991 | memcpy(&float_dst->definition, &float_src->definition, | |
1992 | sizeof(struct definition_float)); | |
1993 | memcpy(&float_dst->sign, &float_src->sign, | |
1994 | sizeof(struct definition_integer)); | |
1995 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
1996 | sizeof(struct definition_integer)); | |
1997 | memcpy(&float_dst->exp, &float_src->exp, | |
1998 | sizeof(struct definition_integer)); | |
1999 | return 0; | |
2000 | } | |
2001 | ||
2002 | static | |
2003 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
2004 | struct bt_ctf_field *dst) | |
2005 | { | |
8bfa3f9c | 2006 | int ret = 0, i; |
87d43dc1 JG |
2007 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
2008 | ||
2009 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
2010 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
2011 | ||
8bfa3f9c | 2012 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 2013 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 2014 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
2015 | |
2016 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
2017 | struct bt_ctf_field *field = |
2018 | g_ptr_array_index(struct_src->fields, i); | |
2019 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2020 | |
50fd95bf PP |
2021 | if (field) { |
2022 | field_copy = bt_ctf_field_copy(field); | |
2023 | ||
2024 | if (!field_copy) { | |
2025 | ret = -1; | |
2026 | goto end; | |
2027 | } | |
87d43dc1 | 2028 | } |
50fd95bf | 2029 | |
8bfa3f9c | 2030 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
2031 | } |
2032 | end: | |
2033 | return ret; | |
2034 | } | |
2035 | ||
2036 | static | |
2037 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
2038 | struct bt_ctf_field *dst) | |
2039 | { | |
2040 | int ret = 0; | |
2041 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
2042 | ||
2043 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
2044 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
2045 | ||
2046 | if (variant_src->tag) { | |
2047 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
2048 | if (!variant_dst->tag) { | |
2049 | ret = -1; | |
2050 | goto end; | |
2051 | } | |
2052 | } | |
2053 | if (variant_src->payload) { | |
2054 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
2055 | if (!variant_dst->payload) { | |
2056 | ret = -1; | |
2057 | goto end; | |
2058 | } | |
2059 | } | |
2060 | end: | |
2061 | return ret; | |
2062 | } | |
2063 | ||
2064 | static | |
2065 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2066 | struct bt_ctf_field *dst) | |
2067 | { | |
2068 | int ret = 0, i; | |
2069 | struct bt_ctf_field_array *array_src, *array_dst; | |
2070 | ||
2071 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2072 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2073 | ||
8bfa3f9c | 2074 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2075 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2076 | struct bt_ctf_field *field = |
2077 | g_ptr_array_index(array_src->elements, i); | |
2078 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2079 | |
50fd95bf PP |
2080 | if (field) { |
2081 | field_copy = bt_ctf_field_copy(field); | |
2082 | ||
2083 | if (!field_copy) { | |
2084 | ret = -1; | |
2085 | goto end; | |
2086 | } | |
87d43dc1 | 2087 | } |
50fd95bf | 2088 | |
8bfa3f9c | 2089 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2090 | } |
2091 | end: | |
2092 | return ret; | |
2093 | } | |
2094 | ||
2095 | static | |
2096 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2097 | struct bt_ctf_field *dst) | |
2098 | { | |
2099 | int ret = 0, i; | |
2100 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2101 | struct bt_ctf_field *src_length; |
2102 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2103 | |
2104 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2105 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2106 | ||
59ab494d PP |
2107 | src_length = bt_ctf_field_sequence_get_length(src); |
2108 | ||
2109 | if (!src_length) { | |
2110 | /* no length set yet: keep destination sequence empty */ | |
2111 | goto end; | |
2112 | } | |
2113 | ||
2114 | /* copy source length */ | |
2115 | dst_length = bt_ctf_field_copy(src_length); | |
83509119 | 2116 | bt_put(src_length); |
59ab494d PP |
2117 | |
2118 | if (!dst_length) { | |
2119 | ret = -1; | |
2120 | goto end; | |
2121 | } | |
2122 | ||
2123 | /* this will initialize the destination sequence's internal array */ | |
2124 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
83509119 | 2125 | bt_put(dst_length); |
59ab494d PP |
2126 | |
2127 | if (ret) { | |
2128 | goto end; | |
2129 | } | |
2130 | ||
2131 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2132 | ||
87d43dc1 | 2133 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2134 | struct bt_ctf_field *field = |
2135 | g_ptr_array_index(sequence_src->elements, i); | |
2136 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2137 | |
50fd95bf PP |
2138 | if (field) { |
2139 | field_copy = bt_ctf_field_copy(field); | |
2140 | ||
2141 | if (!field_copy) { | |
2142 | ret = -1; | |
2143 | goto end; | |
2144 | } | |
87d43dc1 | 2145 | } |
59ab494d | 2146 | |
8bfa3f9c | 2147 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2148 | } |
2149 | end: | |
2150 | return ret; | |
2151 | } | |
2152 | ||
2153 | static | |
2154 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2155 | struct bt_ctf_field *dst) | |
2156 | { | |
2157 | int ret = 0; | |
2158 | struct bt_ctf_field_string *string_src, *string_dst; | |
2159 | ||
2160 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2161 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2162 | ||
2163 | if (string_src->payload) { | |
2164 | string_dst->payload = g_string_new(string_src->payload->str); | |
2165 | if (!string_dst->payload) { | |
2166 | ret = -1; | |
2167 | goto end; | |
2168 | } | |
2169 | } | |
2170 | end: | |
2171 | return ret; | |
2172 | } | |
2173 | ||
273b65be JG |
2174 | static |
2175 | int increase_packet_size(struct ctf_stream_pos *pos) | |
2176 | { | |
2177 | int ret; | |
2178 | ||
2179 | assert(pos); | |
2180 | ret = munmap_align(pos->base_mma); | |
2181 | if (ret) { | |
2182 | goto end; | |
2183 | } | |
2184 | ||
2185 | pos->packet_size += PACKET_LEN_INCREMENT; | |
d9548894 MD |
2186 | do { |
2187 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
2188 | pos->packet_size / CHAR_BIT); | |
2189 | } while (ret == EINTR); | |
273b65be | 2190 | if (ret) { |
d9548894 MD |
2191 | errno = EINTR; |
2192 | ret = -1; | |
273b65be JG |
2193 | goto end; |
2194 | } | |
2195 | ||
2196 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2197 | pos->flags, pos->fd, pos->mmap_offset); | |
2198 | if (pos->base_mma == MAP_FAILED) { | |
2199 | ret = -1; | |
2200 | } | |
2201 | end: | |
2202 | return ret; | |
2203 | } |