Commit | Line | Data |
---|---|---|
273b65be | 1 | /* |
2e33ac5a | 2 | * fields.c |
273b65be | 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 | ||
2e33ac5a PP |
29 | #include <babeltrace/ctf-ir/fields-internal.h> |
30 | #include <babeltrace/ctf-ir/field-types-internal.h> | |
83509119 JG |
31 | #include <babeltrace/object-internal.h> |
32 | #include <babeltrace/ref.h> | |
273b65be | 33 | #include <babeltrace/compiler.h> |
a323afb2 | 34 | #include <babeltrace/compat/fcntl.h> |
273b65be JG |
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 | ||
918be005 PP |
151 | static |
152 | void generic_field_freeze(struct bt_ctf_field *); | |
153 | static | |
154 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *); | |
155 | static | |
156 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *); | |
157 | static | |
158 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *); | |
159 | static | |
160 | void bt_ctf_field_array_freeze(struct bt_ctf_field *); | |
161 | static | |
162 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *); | |
163 | ||
76f869ab JG |
164 | static |
165 | bool bt_ctf_field_generic_is_set(struct bt_ctf_field *); | |
166 | static | |
167 | bool bt_ctf_field_structure_is_set(struct bt_ctf_field *); | |
168 | static | |
169 | bool bt_ctf_field_variant_is_set(struct bt_ctf_field *); | |
170 | static | |
171 | bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *); | |
172 | static | |
173 | bool bt_ctf_field_array_is_set(struct bt_ctf_field *); | |
174 | static | |
175 | bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *); | |
176 | ||
273b65be JG |
177 | static |
178 | int increase_packet_size(struct ctf_stream_pos *pos); | |
179 | ||
180 | static | |
ce6da4fd | 181 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be | 182 | struct bt_ctf_field_type *) = { |
9a19a512 PP |
183 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_create, |
184 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create, | |
185 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 186 | bt_ctf_field_floating_point_create, |
9a19a512 PP |
187 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_create, |
188 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_create, | |
189 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_create, | |
190 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create, | |
191 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_create, | |
273b65be JG |
192 | }; |
193 | ||
194 | static | |
ce6da4fd | 195 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
196 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy, |
197 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy, | |
198 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 199 | bt_ctf_field_floating_point_destroy, |
9a19a512 PP |
200 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy, |
201 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy, | |
202 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy, | |
203 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
204 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_destroy, | |
273b65be JG |
205 | }; |
206 | ||
207 | static | |
ce6da4fd | 208 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
209 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate, |
210 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate, | |
211 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate, | |
212 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate, | |
213 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate, | |
214 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_validate, | |
215 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate, | |
216 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_validate, | |
273b65be JG |
217 | }; |
218 | ||
12c8a1a3 | 219 | static |
ce6da4fd | 220 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
221 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset, |
222 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset, | |
223 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset, | |
224 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset, | |
225 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset, | |
226 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_reset, | |
227 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset, | |
228 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_reset, | |
12c8a1a3 JG |
229 | }; |
230 | ||
273b65be | 231 | static |
ce6da4fd | 232 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
273b65be | 233 | struct ctf_stream_pos *) = { |
9a19a512 PP |
234 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize, |
235 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize, | |
236 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 237 | bt_ctf_field_floating_point_serialize, |
9a19a512 PP |
238 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize, |
239 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize, | |
240 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize, | |
241 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
242 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_serialize, | |
273b65be JG |
243 | }; |
244 | ||
87d43dc1 | 245 | static |
ce6da4fd JG |
246 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
247 | struct bt_ctf_field *) = { | |
9a19a512 PP |
248 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy, |
249 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy, | |
250 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy, | |
251 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy, | |
252 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy, | |
253 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_copy, | |
254 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy, | |
255 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_copy, | |
87d43dc1 JG |
256 | }; |
257 | ||
918be005 PP |
258 | static |
259 | void (* const field_freeze_funcs[])(struct bt_ctf_field *) = { | |
260 | [BT_CTF_TYPE_ID_INTEGER] = generic_field_freeze, | |
261 | [BT_CTF_TYPE_ID_FLOAT] = generic_field_freeze, | |
262 | [BT_CTF_TYPE_ID_STRING] = generic_field_freeze, | |
263 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_freeze, | |
264 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_freeze, | |
265 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_freeze, | |
266 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_freeze, | |
267 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_freeze, | |
268 | }; | |
269 | ||
76f869ab JG |
270 | static |
271 | bool (* const field_is_set_funcs[])(struct bt_ctf_field *) = { | |
272 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_is_set, | |
273 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_is_set, | |
274 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_is_set, | |
275 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_is_set, | |
276 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_is_set, | |
277 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_is_set, | |
278 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_is_set, | |
279 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_is_set, | |
280 | }; | |
281 | ||
273b65be JG |
282 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
283 | { | |
284 | struct bt_ctf_field *field = NULL; | |
9a19a512 | 285 | enum bt_ctf_type_id type_id; |
81e36fac | 286 | int ret; |
273b65be JG |
287 | |
288 | if (!type) { | |
289 | goto error; | |
290 | } | |
291 | ||
292 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
293 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
294 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
81e36fac PP |
295 | goto error; |
296 | } | |
297 | ||
298 | /* Field class MUST be valid */ | |
299 | ret = bt_ctf_field_type_validate(type); | |
300 | ||
301 | if (ret) { | |
302 | /* Invalid */ | |
273b65be JG |
303 | goto error; |
304 | } | |
305 | ||
306 | field = field_create_funcs[type_id](type); | |
307 | if (!field) { | |
308 | goto error; | |
309 | } | |
310 | ||
311 | /* The type's declaration can't change after this point */ | |
312 | bt_ctf_field_type_freeze(type); | |
83509119 JG |
313 | bt_get(type); |
314 | bt_object_init(field, bt_ctf_field_destroy); | |
273b65be JG |
315 | field->type = type; |
316 | error: | |
317 | return field; | |
318 | } | |
319 | ||
320 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
321 | { | |
83509119 | 322 | bt_get(field); |
273b65be JG |
323 | } |
324 | ||
325 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
326 | { | |
83509119 | 327 | bt_put(field); |
273b65be JG |
328 | } |
329 | ||
cd95e351 JG |
330 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
331 | { | |
332 | struct bt_ctf_field_type *ret = NULL; | |
333 | ||
334 | if (!field) { | |
335 | goto end; | |
336 | } | |
337 | ||
338 | ret = field->type; | |
83509119 | 339 | bt_get(ret); |
cd95e351 JG |
340 | end: |
341 | return ret; | |
342 | } | |
343 | ||
9a19a512 | 344 | enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
4ebcc695 | 345 | { |
9a19a512 | 346 | enum bt_ctf_type_id ret = BT_CTF_TYPE_ID_UNKNOWN; |
4ebcc695 PP |
347 | |
348 | if (!field) { | |
349 | goto end; | |
350 | } | |
351 | ||
352 | ret = bt_ctf_field_type_get_type_id(field->type); | |
353 | end: | |
354 | return ret; | |
355 | } | |
356 | ||
8f3553be PP |
357 | int bt_ctf_field_is_integer(struct bt_ctf_field *field) |
358 | { | |
9a19a512 | 359 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_INTEGER; |
8f3553be PP |
360 | } |
361 | ||
362 | int bt_ctf_field_is_floating_point(struct bt_ctf_field *field) | |
363 | { | |
9a19a512 | 364 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_FLOAT; |
8f3553be PP |
365 | } |
366 | ||
367 | int bt_ctf_field_is_enumeration(struct bt_ctf_field *field) | |
368 | { | |
9a19a512 | 369 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ENUM; |
8f3553be PP |
370 | } |
371 | ||
372 | int bt_ctf_field_is_string(struct bt_ctf_field *field) | |
373 | { | |
9a19a512 | 374 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRING; |
8f3553be PP |
375 | } |
376 | ||
377 | int bt_ctf_field_is_structure(struct bt_ctf_field *field) | |
378 | { | |
9a19a512 | 379 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRUCT; |
8f3553be PP |
380 | } |
381 | ||
382 | int bt_ctf_field_is_array(struct bt_ctf_field *field) | |
383 | { | |
9a19a512 | 384 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ARRAY; |
8f3553be PP |
385 | } |
386 | ||
387 | int bt_ctf_field_is_sequence(struct bt_ctf_field *field) | |
388 | { | |
9a19a512 | 389 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_SEQUENCE; |
8f3553be PP |
390 | } |
391 | ||
392 | int bt_ctf_field_is_variant(struct bt_ctf_field *field) | |
393 | { | |
9a19a512 | 394 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_VARIANT; |
8f3553be PP |
395 | } |
396 | ||
cd95e351 JG |
397 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
398 | struct bt_ctf_field *field) | |
399 | { | |
400 | struct bt_ctf_field *ret = NULL; | |
401 | struct bt_ctf_field_sequence *sequence; | |
402 | ||
403 | if (!field) { | |
404 | goto end; | |
405 | } | |
406 | ||
407 | if (bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 408 | BT_CTF_TYPE_ID_SEQUENCE) { |
cd95e351 JG |
409 | goto end; |
410 | } | |
411 | ||
412 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
413 | ret = sequence->length; | |
83509119 | 414 | bt_get(ret); |
cd95e351 JG |
415 | end: |
416 | return ret; | |
417 | } | |
418 | ||
273b65be JG |
419 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
420 | struct bt_ctf_field *length_field) | |
421 | { | |
422 | int ret = 0; | |
423 | struct bt_ctf_field_type_integer *length_type; | |
424 | struct bt_ctf_field_integer *length; | |
425 | struct bt_ctf_field_sequence *sequence; | |
426 | uint64_t sequence_length; | |
427 | ||
918be005 | 428 | if (!field || !length_field || field->frozen) { |
273b65be JG |
429 | ret = -1; |
430 | goto end; | |
431 | } | |
432 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
9a19a512 | 433 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
434 | ret = -1; |
435 | goto end; | |
436 | } | |
437 | ||
438 | length_type = container_of(length_field->type, | |
439 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 440 | /* The length field must be unsigned */ |
273b65be JG |
441 | if (length_type->declaration.signedness) { |
442 | ret = -1; | |
443 | goto end; | |
444 | } | |
445 | ||
446 | length = container_of(length_field, struct bt_ctf_field_integer, | |
447 | parent); | |
448 | sequence_length = length->definition.value._unsigned; | |
449 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
450 | if (sequence->elements) { | |
451 | g_ptr_array_free(sequence->elements, TRUE); | |
83509119 | 452 | bt_put(sequence->length); |
273b65be JG |
453 | } |
454 | ||
fe0fe95c | 455 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
456 | if (!sequence->elements) { |
457 | ret = -1; | |
458 | goto end; | |
459 | } | |
460 | ||
fe0fe95c | 461 | g_ptr_array_set_free_func(sequence->elements, |
83509119 JG |
462 | (GDestroyNotify) bt_put); |
463 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); | |
464 | bt_get(length_field); | |
273b65be JG |
465 | sequence->length = length_field; |
466 | end: | |
467 | return ret; | |
468 | } | |
469 | ||
470 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
471 | struct bt_ctf_field *field, const char *name) | |
472 | { | |
473 | struct bt_ctf_field *new_field = NULL; | |
474 | GQuark field_quark; | |
475 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 476 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
477 | size_t index; |
478 | ||
479 | if (!field || !name || | |
480 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 481 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
482 | goto error; |
483 | } | |
484 | ||
485 | field_quark = g_quark_from_string(name); | |
486 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
487 | field_type = |
488 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
489 | name); | |
273b65be JG |
490 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
491 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
492 | goto error; | |
493 | } | |
494 | ||
495 | if (structure->fields->pdata[index]) { | |
496 | new_field = structure->fields->pdata[index]; | |
497 | goto end; | |
498 | } | |
499 | ||
918be005 PP |
500 | /* We don't want to modify this field if it's frozen */ |
501 | if (field->frozen) { | |
502 | goto end; | |
503 | } | |
504 | ||
273b65be JG |
505 | new_field = bt_ctf_field_create(field_type); |
506 | if (!new_field) { | |
507 | goto error; | |
508 | } | |
509 | ||
510 | structure->fields->pdata[index] = new_field; | |
511 | end: | |
83509119 | 512 | bt_get(new_field); |
273b65be | 513 | error: |
b92ddaaa | 514 | if (field_type) { |
83509119 | 515 | bt_put(field_type); |
b92ddaaa | 516 | } |
273b65be JG |
517 | return new_field; |
518 | } | |
519 | ||
cd95e351 | 520 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 521 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
522 | { |
523 | int ret; | |
524 | const char *field_name; | |
525 | struct bt_ctf_field_structure *structure; | |
526 | struct bt_ctf_field_type *structure_type; | |
527 | struct bt_ctf_field_type *field_type = NULL; | |
528 | struct bt_ctf_field *ret_field = NULL; | |
529 | ||
530 | if (!field || | |
9a19a512 PP |
531 | bt_ctf_field_type_get_type_id(field->type) != |
532 | BT_CTF_TYPE_ID_STRUCT) { | |
cd95e351 JG |
533 | goto end; |
534 | } | |
535 | ||
536 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
537 | if (index >= structure->fields->len) { | |
538 | goto error; | |
539 | } | |
540 | ||
541 | ret_field = structure->fields->pdata[index]; | |
542 | if (ret_field) { | |
543 | goto end; | |
544 | } | |
545 | ||
918be005 PP |
546 | /* We don't want to modify this field if it's frozen */ |
547 | if (field->frozen) { | |
548 | goto end; | |
549 | } | |
550 | ||
cd95e351 JG |
551 | /* Field has not been instanciated yet, create it */ |
552 | structure_type = bt_ctf_field_get_type(field); | |
553 | if (!structure_type) { | |
554 | goto error; | |
555 | } | |
556 | ||
557 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
558 | &field_name, &field_type, index); | |
83509119 | 559 | bt_put(structure_type); |
cd95e351 JG |
560 | if (ret) { |
561 | goto error; | |
562 | } | |
563 | ||
564 | ret_field = bt_ctf_field_create(field_type); | |
565 | if (!ret_field) { | |
566 | goto error; | |
567 | } | |
568 | ||
569 | structure->fields->pdata[index] = ret_field; | |
570 | end: | |
83509119 | 571 | bt_get(ret_field); |
cd95e351 | 572 | error: |
83509119 | 573 | bt_put(field_type); |
cd95e351 JG |
574 | return ret_field; |
575 | } | |
576 | ||
273b65be JG |
577 | BT_HIDDEN |
578 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
579 | const char *name, struct bt_ctf_field *value) | |
580 | { | |
581 | int ret = 0; | |
582 | GQuark field_quark; | |
583 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 584 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
585 | size_t index; |
586 | ||
918be005 | 587 | if (!field || !name || !value || field->frozen || |
273b65be | 588 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 589 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
590 | ret = -1; |
591 | goto end; | |
592 | } | |
593 | ||
594 | field_quark = g_quark_from_string(name); | |
595 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
596 | expected_field_type = |
597 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
598 | name); | |
09840de5 PP |
599 | |
600 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { | |
273b65be JG |
601 | ret = -1; |
602 | goto end; | |
603 | } | |
604 | ||
605 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
606 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
607 | goto end; | |
608 | } | |
609 | ||
610 | if (structure->fields->pdata[index]) { | |
83509119 | 611 | bt_put(structure->fields->pdata[index]); |
273b65be JG |
612 | } |
613 | ||
614 | structure->fields->pdata[index] = value; | |
83509119 | 615 | bt_get(value); |
273b65be | 616 | end: |
b92ddaaa | 617 | if (expected_field_type) { |
83509119 | 618 | bt_put(expected_field_type); |
b92ddaaa | 619 | } |
273b65be JG |
620 | return ret; |
621 | } | |
622 | ||
623 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
624 | uint64_t index) | |
625 | { | |
626 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 627 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 628 | struct bt_ctf_field_array *array; |
273b65be JG |
629 | |
630 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 631 | BT_CTF_TYPE_ID_ARRAY) { |
273b65be JG |
632 | goto end; |
633 | } | |
634 | ||
635 | array = container_of(field, struct bt_ctf_field_array, parent); | |
636 | if (index >= array->elements->len) { | |
637 | goto end; | |
638 | } | |
639 | ||
b92ddaaa | 640 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
641 | if (array->elements->pdata[(size_t)index]) { |
642 | new_field = array->elements->pdata[(size_t)index]; | |
643 | goto end; | |
644 | } | |
645 | ||
918be005 PP |
646 | /* We don't want to modify this field if it's frozen */ |
647 | if (field->frozen) { | |
648 | goto end; | |
649 | } | |
650 | ||
273b65be | 651 | new_field = bt_ctf_field_create(field_type); |
273b65be JG |
652 | array->elements->pdata[(size_t)index] = new_field; |
653 | end: | |
b92ddaaa | 654 | if (field_type) { |
83509119 | 655 | bt_put(field_type); |
b92ddaaa | 656 | } |
92c8b4f9 | 657 | if (new_field) { |
83509119 | 658 | bt_get(new_field); |
92c8b4f9 | 659 | } |
273b65be JG |
660 | return new_field; |
661 | } | |
662 | ||
663 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
664 | uint64_t index) | |
665 | { | |
666 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 667 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 668 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
669 | |
670 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 671 | BT_CTF_TYPE_ID_SEQUENCE) { |
273b65be JG |
672 | goto end; |
673 | } | |
674 | ||
675 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
676 | if (!sequence->elements || sequence->elements->len <= index) { | |
677 | goto end; | |
678 | } | |
679 | ||
b92ddaaa | 680 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
83509119 JG |
681 | if (sequence->elements->pdata[(size_t) index]) { |
682 | new_field = sequence->elements->pdata[(size_t) index]; | |
273b65be JG |
683 | goto end; |
684 | } | |
685 | ||
918be005 PP |
686 | /* We don't want to modify this field if it's frozen */ |
687 | if (field->frozen) { | |
688 | goto end; | |
689 | } | |
690 | ||
273b65be | 691 | new_field = bt_ctf_field_create(field_type); |
83509119 | 692 | sequence->elements->pdata[(size_t) index] = new_field; |
273b65be | 693 | end: |
b92ddaaa | 694 | if (field_type) { |
83509119 | 695 | bt_put(field_type); |
b92ddaaa | 696 | } |
92c8b4f9 | 697 | if (new_field) { |
83509119 | 698 | bt_get(new_field); |
92c8b4f9 | 699 | } |
273b65be JG |
700 | return new_field; |
701 | } | |
702 | ||
703 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
704 | struct bt_ctf_field *tag_field) | |
705 | { | |
706 | struct bt_ctf_field *new_field = NULL; | |
707 | struct bt_ctf_field_variant *variant; | |
708 | struct bt_ctf_field_type_variant *variant_type; | |
709 | struct bt_ctf_field_type *field_type; | |
710 | struct bt_ctf_field *tag_enum = NULL; | |
711 | struct bt_ctf_field_integer *tag_enum_integer; | |
712 | int64_t tag_enum_value; | |
713 | ||
714 | if (!field || !tag_field || | |
715 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 716 | BT_CTF_TYPE_ID_VARIANT || |
273b65be | 717 | bt_ctf_field_type_get_type_id(tag_field->type) != |
9a19a512 | 718 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
719 | goto end; |
720 | } | |
721 | ||
722 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
723 | variant_type = container_of(field->type, | |
724 | struct bt_ctf_field_type_variant, parent); | |
725 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
726 | if (!tag_enum) { | |
727 | goto end; | |
728 | } | |
729 | ||
730 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
731 | parent); | |
732 | ||
2c661a4d | 733 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
734 | goto end; |
735 | } | |
736 | ||
737 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
2829190c PP |
738 | |
739 | /* | |
740 | * If the variant currently has a tag and a payload, and if the | |
741 | * requested tag value is the same as the current one, return | |
742 | * the current payload instead of creating a fresh one. | |
743 | */ | |
744 | if (variant->tag && variant->payload) { | |
745 | struct bt_ctf_field *cur_tag_container = NULL; | |
746 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
747 | int64_t cur_tag_value; | |
748 | ||
749 | cur_tag_container = | |
750 | bt_ctf_field_enumeration_get_container(variant->tag); | |
9a5df386 | 751 | assert(cur_tag_container); |
2829190c PP |
752 | cur_tag_enum_integer = container_of(cur_tag_container, |
753 | struct bt_ctf_field_integer, parent); | |
83509119 | 754 | bt_put(cur_tag_container); |
2829190c PP |
755 | cur_tag_value = cur_tag_enum_integer->definition.value._signed; |
756 | ||
757 | if (cur_tag_value == tag_enum_value) { | |
758 | new_field = variant->payload; | |
83509119 | 759 | bt_get(new_field); |
2829190c PP |
760 | goto end; |
761 | } | |
762 | } | |
763 | ||
918be005 PP |
764 | /* We don't want to modify this field if it's frozen */ |
765 | if (field->frozen) { | |
766 | goto end; | |
767 | } | |
768 | ||
b92ddaaa JG |
769 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
770 | variant_type, tag_enum_value); | |
273b65be JG |
771 | if (!field_type) { |
772 | goto end; | |
773 | } | |
774 | ||
775 | new_field = bt_ctf_field_create(field_type); | |
776 | if (!new_field) { | |
777 | goto end; | |
778 | } | |
779 | ||
83509119 JG |
780 | bt_put(variant->tag); |
781 | bt_put(variant->payload); | |
782 | bt_get(new_field); | |
783 | bt_get(tag_field); | |
273b65be JG |
784 | variant->tag = tag_field; |
785 | variant->payload = new_field; | |
786 | end: | |
83509119 | 787 | bt_put(tag_enum); |
273b65be JG |
788 | return new_field; |
789 | } | |
790 | ||
3f4a108d PP |
791 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
792 | struct bt_ctf_field *variant_field) | |
793 | { | |
794 | struct bt_ctf_field *current_field = NULL; | |
795 | struct bt_ctf_field_variant *variant; | |
796 | ||
797 | if (!variant_field || | |
798 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
9a19a512 | 799 | BT_CTF_TYPE_ID_VARIANT) { |
3f4a108d PP |
800 | goto end; |
801 | } | |
802 | ||
803 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
804 | parent); | |
805 | ||
806 | if (variant->payload) { | |
807 | current_field = variant->payload; | |
83509119 | 808 | bt_get(current_field); |
3f4a108d PP |
809 | goto end; |
810 | } | |
811 | ||
812 | end: | |
813 | return current_field; | |
814 | } | |
815 | ||
f78d67fb JG |
816 | struct bt_ctf_field *bt_ctf_field_variant_get_tag( |
817 | struct bt_ctf_field *variant_field) | |
818 | { | |
819 | struct bt_ctf_field *tag = NULL; | |
820 | struct bt_ctf_field_variant *variant; | |
821 | ||
822 | if (!variant_field || | |
823 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
824 | BT_CTF_TYPE_ID_VARIANT) { | |
825 | goto end; | |
826 | } | |
827 | ||
828 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
829 | parent); | |
830 | if (variant->tag) { | |
831 | tag = bt_get(variant->tag); | |
832 | } | |
833 | end: | |
834 | return tag; | |
835 | } | |
836 | ||
273b65be JG |
837 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
838 | struct bt_ctf_field *field) | |
839 | { | |
840 | struct bt_ctf_field *container = NULL; | |
841 | struct bt_ctf_field_enumeration *enumeration; | |
842 | ||
b92ddaaa | 843 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 844 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
845 | goto end; |
846 | } | |
847 | ||
848 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
849 | parent); | |
850 | if (!enumeration->payload) { | |
918be005 PP |
851 | /* We don't want to modify this field if it's frozen */ |
852 | if (field->frozen) { | |
853 | goto end; | |
854 | } | |
855 | ||
273b65be JG |
856 | struct bt_ctf_field_type_enumeration *enumeration_type = |
857 | container_of(field->type, | |
858 | struct bt_ctf_field_type_enumeration, parent); | |
859 | enumeration->payload = | |
860 | bt_ctf_field_create(enumeration_type->container); | |
861 | } | |
862 | ||
863 | container = enumeration->payload; | |
83509119 | 864 | bt_get(container); |
273b65be JG |
865 | end: |
866 | return container; | |
867 | } | |
868 | ||
e0f15669 JG |
869 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
870 | bt_ctf_field_enumeration_get_mappings(struct bt_ctf_field *field) | |
cd95e351 JG |
871 | { |
872 | int ret; | |
cd95e351 JG |
873 | struct bt_ctf_field *container = NULL; |
874 | struct bt_ctf_field_type *container_type = NULL; | |
875 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
96e8f959 | 876 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL; |
cd95e351 JG |
877 | |
878 | container = bt_ctf_field_enumeration_get_container(field); | |
879 | if (!container) { | |
880 | goto end; | |
881 | } | |
882 | ||
883 | container_type = bt_ctf_field_get_type(container); | |
884 | if (!container_type) { | |
885 | goto error_put_container; | |
886 | } | |
887 | ||
888 | integer_type = container_of(container_type, | |
889 | struct bt_ctf_field_type_integer, parent); | |
cd95e351 | 890 | |
10817e06 | 891 | if (!integer_type->declaration.signedness) { |
cd95e351 | 892 | uint64_t value; |
96e8f959 | 893 | |
cd95e351 JG |
894 | ret = bt_ctf_field_unsigned_integer_get_value(container, |
895 | &value); | |
896 | if (ret) { | |
897 | goto error_put_container_type; | |
898 | } | |
96e8f959 MD |
899 | iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value( |
900 | field->type, value); | |
cd95e351 JG |
901 | } else { |
902 | int64_t value; | |
96e8f959 | 903 | |
cd95e351 JG |
904 | ret = bt_ctf_field_signed_integer_get_value(container, |
905 | &value); | |
906 | if (ret) { | |
907 | goto error_put_container_type; | |
908 | } | |
96e8f959 MD |
909 | iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value( |
910 | field->type, value); | |
cd95e351 JG |
911 | } |
912 | ||
913 | error_put_container_type: | |
83509119 | 914 | bt_put(container_type); |
cd95e351 | 915 | error_put_container: |
83509119 | 916 | bt_put(container); |
cd95e351 | 917 | end: |
e0f15669 | 918 | return iter; |
cd95e351 JG |
919 | } |
920 | ||
921 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
922 | int64_t *value) | |
923 | { | |
924 | int ret = 0; | |
925 | struct bt_ctf_field_integer *integer; | |
926 | struct bt_ctf_field_type_integer *integer_type; | |
927 | ||
928 | if (!field || !value || !field->payload_set || | |
929 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 930 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
931 | ret = -1; |
932 | goto end; | |
933 | } | |
934 | ||
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 | integer = container_of(field, | |
943 | struct bt_ctf_field_integer, parent); | |
944 | *value = integer->definition.value._signed; | |
945 | end: | |
946 | return ret; | |
947 | } | |
948 | ||
273b65be JG |
949 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
950 | int64_t value) | |
951 | { | |
952 | int ret = 0; | |
953 | struct bt_ctf_field_integer *integer; | |
954 | struct bt_ctf_field_type_integer *integer_type; | |
955 | unsigned int size; | |
956 | int64_t min_value, max_value; | |
957 | ||
918be005 | 958 | if (!field || field->frozen || |
273b65be | 959 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 960 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
961 | ret = -1; |
962 | goto end; | |
963 | } | |
964 | ||
965 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
966 | integer_type = container_of(field->type, | |
967 | struct bt_ctf_field_type_integer, parent); | |
968 | if (!integer_type->declaration.signedness) { | |
969 | ret = -1; | |
970 | goto end; | |
971 | } | |
972 | ||
973 | size = integer_type->declaration.len; | |
9dc0d640 JG |
974 | min_value = -(1ULL << (size - 1)); |
975 | max_value = (1ULL << (size - 1)) - 1; | |
273b65be JG |
976 | if (value < min_value || value > max_value) { |
977 | ret = -1; | |
978 | goto end; | |
979 | } | |
980 | ||
981 | integer->definition.value._signed = value; | |
982 | integer->parent.payload_set = 1; | |
983 | end: | |
984 | return ret; | |
985 | } | |
986 | ||
cd95e351 JG |
987 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
988 | uint64_t *value) | |
989 | { | |
990 | int ret = 0; | |
991 | struct bt_ctf_field_integer *integer; | |
992 | struct bt_ctf_field_type_integer *integer_type; | |
993 | ||
994 | if (!field || !value || !field->payload_set || | |
995 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 996 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
997 | ret = -1; |
998 | goto end; | |
999 | } | |
1000 | ||
1001 | integer_type = container_of(field->type, | |
1002 | struct bt_ctf_field_type_integer, parent); | |
1003 | if (integer_type->declaration.signedness) { | |
1004 | ret = -1; | |
1005 | goto end; | |
1006 | } | |
1007 | ||
1008 | integer = container_of(field, | |
1009 | struct bt_ctf_field_integer, parent); | |
1010 | *value = integer->definition.value._unsigned; | |
1011 | end: | |
1012 | return ret; | |
1013 | } | |
1014 | ||
273b65be JG |
1015 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
1016 | uint64_t value) | |
1017 | { | |
1018 | int ret = 0; | |
1019 | struct bt_ctf_field_integer *integer; | |
1020 | struct bt_ctf_field_type_integer *integer_type; | |
1021 | unsigned int size; | |
1022 | uint64_t max_value; | |
1023 | ||
918be005 | 1024 | if (!field || field->frozen || |
273b65be | 1025 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1026 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
1027 | ret = -1; |
1028 | goto end; | |
1029 | } | |
1030 | ||
1031 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1032 | integer_type = container_of(field->type, | |
1033 | struct bt_ctf_field_type_integer, parent); | |
1034 | if (integer_type->declaration.signedness) { | |
1035 | ret = -1; | |
1036 | goto end; | |
1037 | } | |
1038 | ||
1039 | size = integer_type->declaration.len; | |
8684abc8 | 1040 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1; |
273b65be JG |
1041 | if (value > max_value) { |
1042 | ret = -1; | |
1043 | goto end; | |
1044 | } | |
1045 | ||
1046 | integer->definition.value._unsigned = value; | |
1047 | integer->parent.payload_set = 1; | |
1048 | end: | |
1049 | return ret; | |
1050 | } | |
1051 | ||
cd95e351 JG |
1052 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
1053 | double *value) | |
1054 | { | |
1055 | int ret = 0; | |
1056 | struct bt_ctf_field_floating_point *floating_point; | |
1057 | ||
1058 | if (!field || !value || !field->payload_set || | |
1059 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1060 | BT_CTF_TYPE_ID_FLOAT) { |
cd95e351 JG |
1061 | ret = -1; |
1062 | goto end; | |
1063 | } | |
1064 | ||
1065 | floating_point = container_of(field, | |
1066 | struct bt_ctf_field_floating_point, parent); | |
1067 | *value = floating_point->definition.value; | |
1068 | end: | |
1069 | return ret; | |
1070 | } | |
1071 | ||
273b65be JG |
1072 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
1073 | double value) | |
1074 | { | |
1075 | int ret = 0; | |
1076 | struct bt_ctf_field_floating_point *floating_point; | |
1077 | ||
918be005 | 1078 | if (!field || field->frozen || |
273b65be | 1079 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1080 | BT_CTF_TYPE_ID_FLOAT) { |
273b65be JG |
1081 | ret = -1; |
1082 | goto end; | |
1083 | } | |
1084 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1085 | parent); | |
1086 | floating_point->definition.value = value; | |
1087 | floating_point->parent.payload_set = 1; | |
1088 | end: | |
1089 | return ret; | |
1090 | } | |
1091 | ||
cd95e351 JG |
1092 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
1093 | { | |
1094 | const char *ret = NULL; | |
1095 | struct bt_ctf_field_string *string; | |
1096 | ||
1097 | if (!field || !field->payload_set || | |
1098 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1099 | BT_CTF_TYPE_ID_STRING) { |
cd95e351 JG |
1100 | goto end; |
1101 | } | |
1102 | ||
1103 | string = container_of(field, | |
1104 | struct bt_ctf_field_string, parent); | |
1105 | ret = string->payload->str; | |
1106 | end: | |
1107 | return ret; | |
1108 | } | |
1109 | ||
273b65be JG |
1110 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
1111 | const char *value) | |
1112 | { | |
1113 | int ret = 0; | |
1114 | struct bt_ctf_field_string *string; | |
1115 | ||
918be005 | 1116 | if (!field || !value || field->frozen || |
273b65be | 1117 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1118 | BT_CTF_TYPE_ID_STRING) { |
273b65be JG |
1119 | ret = -1; |
1120 | goto end; | |
1121 | } | |
1122 | ||
1123 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1124 | if (string->payload) { | |
97736814 JG |
1125 | g_string_assign(string->payload, value); |
1126 | } else { | |
1127 | string->payload = g_string_new(value); | |
273b65be JG |
1128 | } |
1129 | ||
273b65be JG |
1130 | string->parent.payload_set = 1; |
1131 | end: | |
1132 | return ret; | |
1133 | } | |
1134 | ||
c6f9c5a3 PP |
1135 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
1136 | const char *value) | |
1137 | { | |
1138 | int ret = 0; | |
1139 | struct bt_ctf_field_string *string_field; | |
1140 | ||
918be005 | 1141 | if (!field || !value || field->frozen || |
c6f9c5a3 | 1142 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1143 | BT_CTF_TYPE_ID_STRING) { |
c6f9c5a3 PP |
1144 | ret = -1; |
1145 | goto end; | |
1146 | } | |
1147 | ||
1148 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1149 | ||
1150 | if (string_field->payload) { | |
1151 | g_string_append(string_field->payload, value); | |
1152 | } else { | |
1153 | string_field->payload = g_string_new(value); | |
1154 | } | |
1155 | ||
1156 | string_field->parent.payload_set = 1; | |
1157 | ||
1158 | end: | |
1159 | return ret; | |
1160 | } | |
1161 | ||
f98c6554 PP |
1162 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1163 | const char *value, unsigned int length) | |
1164 | { | |
1165 | int i; | |
1166 | int ret = 0; | |
1167 | unsigned int effective_length = length; | |
1168 | struct bt_ctf_field_string *string_field; | |
1169 | ||
918be005 | 1170 | if (!field || !value || field->frozen || |
f98c6554 | 1171 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1172 | BT_CTF_TYPE_ID_STRING) { |
f98c6554 PP |
1173 | ret = -1; |
1174 | goto end; | |
1175 | } | |
1176 | ||
1177 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1178 | ||
1179 | /* make sure no null bytes are appended */ | |
1180 | for (i = 0; i < length; ++i) { | |
1181 | if (value[i] == '\0') { | |
1182 | effective_length = i; | |
1183 | break; | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | if (string_field->payload) { | |
ce6d5230 | 1188 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1189 | effective_length); |
1190 | } else { | |
1191 | string_field->payload = g_string_new_len(value, | |
1192 | effective_length); | |
1193 | } | |
1194 | ||
1195 | string_field->parent.payload_set = 1; | |
1196 | ||
1197 | end: | |
1198 | return ret; | |
1199 | } | |
1200 | ||
273b65be JG |
1201 | BT_HIDDEN |
1202 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1203 | { | |
1204 | int ret = 0; | |
9a19a512 | 1205 | enum bt_ctf_type_id type_id; |
273b65be JG |
1206 | |
1207 | if (!field) { | |
1208 | ret = -1; | |
1209 | goto end; | |
1210 | } | |
1211 | ||
1212 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1213 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1214 | ret = -1; |
1215 | goto end; | |
1216 | } | |
1217 | ||
1218 | ret = field_validate_funcs[type_id](field); | |
1219 | end: | |
1220 | return ret; | |
1221 | } | |
1222 | ||
12c8a1a3 JG |
1223 | BT_HIDDEN |
1224 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1225 | { | |
1226 | int ret = 0; | |
9a19a512 | 1227 | enum bt_ctf_type_id type_id; |
12c8a1a3 JG |
1228 | |
1229 | if (!field) { | |
1230 | ret = -1; | |
1231 | goto end; | |
1232 | } | |
1233 | ||
1234 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1235 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
12c8a1a3 JG |
1236 | ret = -1; |
1237 | goto end; | |
1238 | } | |
1239 | ||
1240 | ret = field_reset_funcs[type_id](field); | |
1241 | end: | |
1242 | return ret; | |
1243 | } | |
1244 | ||
273b65be JG |
1245 | BT_HIDDEN |
1246 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
1247 | struct ctf_stream_pos *pos) | |
1248 | { | |
1249 | int ret = 0; | |
9a19a512 | 1250 | enum bt_ctf_type_id type_id; |
273b65be JG |
1251 | |
1252 | if (!field || !pos) { | |
1253 | ret = -1; | |
1254 | goto end; | |
1255 | } | |
1256 | ||
1257 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1258 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1259 | ret = -1; |
1260 | goto end; | |
1261 | } | |
1262 | ||
1263 | ret = field_serialize_funcs[type_id](field, pos); | |
1264 | end: | |
1265 | return ret; | |
1266 | } | |
1267 | ||
76f869ab JG |
1268 | |
1269 | BT_HIDDEN | |
1270 | bool bt_ctf_field_is_set(struct bt_ctf_field *field) | |
1271 | { | |
1272 | bool is_set = false; | |
1273 | enum bt_ctf_type_id type_id; | |
1274 | ||
1275 | if (!field) { | |
1276 | goto end; | |
1277 | } | |
1278 | ||
1279 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1280 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { | |
1281 | goto end; | |
1282 | } | |
1283 | ||
1284 | is_set = field_is_set_funcs[type_id](field); | |
1285 | end: | |
1286 | return is_set; | |
1287 | } | |
1288 | ||
87d43dc1 JG |
1289 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1290 | { | |
1291 | int ret; | |
1292 | struct bt_ctf_field *copy = NULL; | |
9a19a512 | 1293 | enum bt_ctf_type_id type_id; |
87d43dc1 JG |
1294 | |
1295 | if (!field) { | |
87d43dc1 JG |
1296 | goto end; |
1297 | } | |
1298 | ||
1299 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1300 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
87d43dc1 JG |
1301 | goto end; |
1302 | } | |
1303 | ||
1304 | copy = bt_ctf_field_create(field->type); | |
1305 | if (!copy) { | |
1306 | goto end; | |
1307 | } | |
1308 | ||
70996764 | 1309 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1310 | ret = field_copy_funcs[type_id](field, copy); |
1311 | if (ret) { | |
83509119 | 1312 | bt_put(copy); |
87d43dc1 JG |
1313 | copy = NULL; |
1314 | } | |
1315 | end: | |
1316 | return copy; | |
1317 | } | |
1318 | ||
273b65be JG |
1319 | static |
1320 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1321 | { | |
1322 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1323 | struct bt_ctf_field_type_integer, parent); | |
1324 | struct bt_ctf_field_integer *integer = g_new0( | |
1325 | struct bt_ctf_field_integer, 1); | |
1326 | ||
1327 | if (integer) { | |
1328 | integer->definition.declaration = &integer_type->declaration; | |
1329 | } | |
1330 | ||
1331 | return integer ? &integer->parent : NULL; | |
1332 | } | |
1333 | ||
1334 | static | |
1335 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1336 | struct bt_ctf_field_type *type) | |
1337 | { | |
1338 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1339 | struct bt_ctf_field_enumeration, 1); | |
1340 | ||
1341 | return enumeration ? &enumeration->parent : NULL; | |
1342 | } | |
1343 | ||
1344 | static | |
1345 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1346 | struct bt_ctf_field_type *type) | |
1347 | { | |
1348 | struct bt_ctf_field_floating_point *floating_point; | |
1349 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1350 | ||
1351 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1352 | if (!floating_point) { | |
1353 | goto end; | |
1354 | } | |
1355 | ||
1356 | floating_point_type = container_of(type, | |
1357 | struct bt_ctf_field_type_floating_point, parent); | |
1358 | floating_point->definition.declaration = container_of( | |
1359 | type->declaration, struct declaration_float, p); | |
1360 | ||
1361 | ||
1362 | floating_point->definition.sign = &floating_point->sign; | |
1363 | floating_point->sign.declaration = &floating_point_type->sign; | |
1364 | floating_point->definition.sign->p.declaration = | |
1365 | &floating_point_type->sign.p; | |
1366 | ||
1367 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1368 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1369 | floating_point->definition.mantissa->p.declaration = | |
1370 | &floating_point_type->mantissa.p; | |
1371 | ||
1372 | floating_point->definition.exp = &floating_point->exp; | |
1373 | floating_point->exp.declaration = &floating_point_type->exp; | |
1374 | floating_point->definition.exp->p.declaration = | |
1375 | &floating_point_type->exp.p; | |
1376 | ||
1377 | end: | |
1378 | return floating_point ? &floating_point->parent : NULL; | |
1379 | } | |
1380 | ||
1381 | static | |
1382 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1383 | struct bt_ctf_field_type *type) | |
1384 | { | |
1385 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1386 | struct bt_ctf_field_type_structure, parent); | |
1387 | struct bt_ctf_field_structure *structure = g_new0( | |
1388 | struct bt_ctf_field_structure, 1); | |
1389 | struct bt_ctf_field *field = NULL; | |
1390 | ||
8c1aa858 | 1391 | if (!structure) { |
273b65be JG |
1392 | goto end; |
1393 | } | |
1394 | ||
1395 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1396 | structure->fields = g_ptr_array_new_with_free_func( | |
1397 | (GDestroyNotify)bt_ctf_field_put); | |
1398 | g_ptr_array_set_size(structure->fields, | |
1399 | g_hash_table_size(structure->field_name_to_index)); | |
1400 | field = &structure->parent; | |
1401 | end: | |
1402 | return field; | |
1403 | } | |
1404 | ||
1405 | static | |
1406 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1407 | { | |
1408 | struct bt_ctf_field_variant *variant = g_new0( | |
1409 | struct bt_ctf_field_variant, 1); | |
1410 | return variant ? &variant->parent : NULL; | |
1411 | } | |
1412 | ||
1413 | static | |
1414 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1415 | { | |
1416 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1417 | struct bt_ctf_field_type_array *array_type; | |
1418 | unsigned int array_length; | |
1419 | ||
1420 | if (!array || !type) { | |
1421 | goto error; | |
1422 | } | |
1423 | ||
1424 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1425 | array_length = array_type->length; | |
fe0fe95c | 1426 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1427 | if (!array->elements) { |
1428 | goto error; | |
1429 | } | |
1430 | ||
fe0fe95c JG |
1431 | g_ptr_array_set_free_func(array->elements, |
1432 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1433 | g_ptr_array_set_size(array->elements, array_length); |
1434 | return &array->parent; | |
1435 | error: | |
1436 | g_free(array); | |
1437 | return NULL; | |
1438 | } | |
1439 | ||
1440 | static | |
1441 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1442 | struct bt_ctf_field_type *type) | |
1443 | { | |
1444 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1445 | struct bt_ctf_field_sequence, 1); | |
1446 | return sequence ? &sequence->parent : NULL; | |
1447 | } | |
1448 | ||
1449 | static | |
1450 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1451 | { | |
1452 | struct bt_ctf_field_string *string = g_new0( | |
1453 | struct bt_ctf_field_string, 1); | |
1454 | return string ? &string->parent : NULL; | |
1455 | } | |
1456 | ||
1457 | static | |
83509119 | 1458 | void bt_ctf_field_destroy(struct bt_object *obj) |
273b65be JG |
1459 | { |
1460 | struct bt_ctf_field *field; | |
1461 | struct bt_ctf_field_type *type; | |
9a19a512 | 1462 | enum bt_ctf_type_id type_id; |
273b65be | 1463 | |
83509119 | 1464 | field = container_of(obj, struct bt_ctf_field, base); |
273b65be JG |
1465 | type = field->type; |
1466 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
1467 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
1468 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
273b65be JG |
1469 | return; |
1470 | } | |
1471 | ||
1472 | field_destroy_funcs[type_id](field); | |
83509119 | 1473 | bt_put(type); |
273b65be JG |
1474 | } |
1475 | ||
1476 | static | |
1477 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1478 | { | |
1479 | struct bt_ctf_field_integer *integer; | |
1480 | ||
1481 | if (!field) { | |
1482 | return; | |
1483 | } | |
1484 | ||
1485 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1486 | g_free(integer); | |
1487 | } | |
1488 | ||
1489 | static | |
1490 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1491 | { | |
1492 | struct bt_ctf_field_enumeration *enumeration; | |
1493 | ||
1494 | if (!field) { | |
1495 | return; | |
1496 | } | |
1497 | ||
1498 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1499 | parent); | |
83509119 | 1500 | bt_put(enumeration->payload); |
273b65be JG |
1501 | g_free(enumeration); |
1502 | } | |
1503 | ||
1504 | static | |
1505 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1506 | { | |
1507 | struct bt_ctf_field_floating_point *floating_point; | |
1508 | ||
1509 | if (!field) { | |
1510 | return; | |
1511 | } | |
1512 | ||
1513 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1514 | parent); | |
1515 | g_free(floating_point); | |
1516 | } | |
1517 | ||
1518 | static | |
1519 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1520 | { | |
1521 | struct bt_ctf_field_structure *structure; | |
1522 | ||
1523 | if (!field) { | |
1524 | return; | |
1525 | } | |
1526 | ||
1527 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1528 | g_ptr_array_free(structure->fields, TRUE); | |
1529 | g_free(structure); | |
1530 | } | |
1531 | ||
1532 | static | |
1533 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1534 | { | |
1535 | struct bt_ctf_field_variant *variant; | |
1536 | ||
1537 | if (!field) { | |
1538 | return; | |
1539 | } | |
1540 | ||
1541 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
83509119 JG |
1542 | bt_put(variant->tag); |
1543 | bt_put(variant->payload); | |
273b65be JG |
1544 | g_free(variant); |
1545 | } | |
1546 | ||
1547 | static | |
1548 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1549 | { | |
1550 | struct bt_ctf_field_array *array; | |
1551 | ||
1552 | if (!field) { | |
1553 | return; | |
1554 | } | |
1555 | ||
1556 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1557 | g_ptr_array_free(array->elements, TRUE); | |
1558 | g_free(array); | |
1559 | } | |
1560 | ||
1561 | static | |
1562 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1563 | { | |
1564 | struct bt_ctf_field_sequence *sequence; | |
1565 | ||
1566 | if (!field) { | |
1567 | return; | |
1568 | } | |
1569 | ||
1570 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1571 | if (sequence->elements) { |
1572 | g_ptr_array_free(sequence->elements, TRUE); | |
1573 | } | |
83509119 | 1574 | bt_put(sequence->length); |
273b65be JG |
1575 | g_free(sequence); |
1576 | } | |
1577 | ||
1578 | static | |
1579 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1580 | { | |
1581 | struct bt_ctf_field_string *string; | |
1582 | if (!field) { | |
1583 | return; | |
1584 | } | |
1585 | ||
1586 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1587 | if (string->payload) { |
1588 | g_string_free(string->payload, TRUE); | |
1589 | } | |
273b65be JG |
1590 | g_free(string); |
1591 | } | |
1592 | ||
1593 | static | |
1594 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1595 | { | |
da2f6971 | 1596 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1597 | } |
1598 | ||
1599 | static | |
1600 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1601 | { | |
1602 | int ret; | |
1603 | struct bt_ctf_field_enumeration *enumeration; | |
1604 | ||
1605 | if (!field) { | |
1606 | ret = -1; | |
1607 | goto end; | |
1608 | } | |
1609 | ||
1610 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1611 | parent); | |
1612 | if (!enumeration->payload) { | |
1613 | ret = -1; | |
1614 | goto end; | |
1615 | } | |
1616 | ||
1617 | ret = bt_ctf_field_validate(enumeration->payload); | |
1618 | end: | |
1619 | return ret; | |
1620 | } | |
1621 | ||
1622 | static | |
1623 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1624 | { | |
1625 | size_t i; | |
1626 | int ret = 0; | |
1627 | struct bt_ctf_field_structure *structure; | |
1628 | ||
1629 | if (!field) { | |
1630 | ret = -1; | |
1631 | goto end; | |
1632 | } | |
1633 | ||
1634 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1635 | for (i = 0; i < structure->fields->len; i++) { | |
1636 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1637 | if (ret) { | |
6ce12048 JG |
1638 | const char *name; |
1639 | struct bt_ctf_field_type *field_type = | |
1640 | bt_ctf_field_get_type(field); | |
1641 | ||
1642 | (void) bt_ctf_field_type_structure_get_field(field_type, | |
1643 | &name, NULL, i); | |
1644 | fprintf(stderr, "Field %s failed validation\n", | |
1645 | name ? name : "NULL"); | |
e5ed1ccf | 1646 | bt_put(field_type); |
273b65be JG |
1647 | goto end; |
1648 | } | |
1649 | } | |
1650 | end: | |
1651 | return ret; | |
1652 | } | |
1653 | ||
1654 | static | |
1655 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1656 | { | |
1657 | int ret = 0; | |
1658 | struct bt_ctf_field_variant *variant; | |
1659 | ||
1660 | if (!field) { | |
1661 | ret = -1; | |
1662 | goto end; | |
1663 | } | |
1664 | ||
1665 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1666 | ret = bt_ctf_field_validate(variant->payload); | |
1667 | end: | |
1668 | return ret; | |
1669 | } | |
1670 | ||
1671 | static | |
1672 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1673 | { | |
1674 | size_t i; | |
1675 | int ret = 0; | |
1676 | struct bt_ctf_field_array *array; | |
1677 | ||
1678 | if (!field) { | |
1679 | ret = -1; | |
1680 | goto end; | |
1681 | } | |
1682 | ||
1683 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1684 | for (i = 0; i < array->elements->len; i++) { | |
1685 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1686 | if (ret) { | |
e91f3bab | 1687 | fprintf(stderr, "Failed to validate array field #%zu\n", i); |
273b65be JG |
1688 | goto end; |
1689 | } | |
1690 | } | |
1691 | end: | |
1692 | return ret; | |
1693 | } | |
1694 | ||
1695 | static | |
1696 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1697 | { | |
1698 | size_t i; | |
1699 | int ret = 0; | |
1700 | struct bt_ctf_field_sequence *sequence; | |
1701 | ||
1702 | if (!field) { | |
1703 | ret = -1; | |
1704 | goto end; | |
1705 | } | |
1706 | ||
1707 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1708 | for (i = 0; i < sequence->elements->len; i++) { | |
1709 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1710 | if (ret) { | |
bcfb49d4 | 1711 | fprintf(stderr, "Failed to validate sequence field #%zu\n", i); |
273b65be JG |
1712 | goto end; |
1713 | } | |
1714 | } | |
1715 | end: | |
1716 | return ret; | |
1717 | } | |
1718 | ||
12c8a1a3 JG |
1719 | static |
1720 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1721 | { | |
1722 | int ret = 0; | |
1723 | ||
1724 | if (!field) { | |
1725 | ret = -1; | |
1726 | goto end; | |
1727 | } | |
1728 | ||
1729 | field->payload_set = 0; | |
1730 | end: | |
1731 | return ret; | |
1732 | } | |
1733 | ||
1734 | static | |
1735 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1736 | { | |
1737 | int ret = 0; | |
1738 | struct bt_ctf_field_enumeration *enumeration; | |
1739 | ||
1740 | if (!field) { | |
1741 | ret = -1; | |
1742 | goto end; | |
1743 | } | |
1744 | ||
1745 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1746 | parent); | |
1747 | if (!enumeration->payload) { | |
1748 | goto end; | |
1749 | } | |
1750 | ||
1751 | ret = bt_ctf_field_reset(enumeration->payload); | |
1752 | end: | |
1753 | return ret; | |
1754 | } | |
1755 | ||
1756 | static | |
1757 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1758 | { | |
1759 | size_t i; | |
1760 | int ret = 0; | |
1761 | struct bt_ctf_field_structure *structure; | |
1762 | ||
1763 | if (!field) { | |
1764 | ret = -1; | |
1765 | goto end; | |
1766 | } | |
1767 | ||
1768 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1769 | for (i = 0; i < structure->fields->len; i++) { | |
1770 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1771 | ||
1772 | if (!member) { | |
1773 | /* | |
1774 | * Structure members are lazily initialized; skip if | |
1775 | * this member has not been allocated yet. | |
1776 | */ | |
1777 | continue; | |
1778 | } | |
1779 | ||
1780 | ret = bt_ctf_field_reset(member); | |
1781 | if (ret) { | |
1782 | goto end; | |
1783 | } | |
1784 | } | |
1785 | end: | |
1786 | return ret; | |
1787 | } | |
1788 | ||
1789 | static | |
1790 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1791 | { | |
1792 | int ret = 0; | |
1793 | struct bt_ctf_field_variant *variant; | |
1794 | ||
1795 | if (!field) { | |
1796 | ret = -1; | |
1797 | goto end; | |
1798 | } | |
1799 | ||
1800 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1801 | if (variant->payload) { | |
1802 | ret = bt_ctf_field_reset(variant->payload); | |
1803 | } | |
1804 | end: | |
1805 | return ret; | |
1806 | } | |
1807 | ||
1808 | static | |
1809 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1810 | { | |
1811 | size_t i; | |
1812 | int ret = 0; | |
1813 | struct bt_ctf_field_array *array; | |
1814 | ||
1815 | if (!field) { | |
1816 | ret = -1; | |
1817 | goto end; | |
1818 | } | |
1819 | ||
1820 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1821 | for (i = 0; i < array->elements->len; i++) { | |
1822 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1823 | ||
1824 | if (!member) { | |
1825 | /* | |
1826 | * Array elements are lazily initialized; skip if | |
1827 | * this member has not been allocated yet. | |
1828 | */ | |
1829 | continue; | |
1830 | } | |
1831 | ||
1832 | ret = bt_ctf_field_reset(member); | |
1833 | if (ret) { | |
1834 | goto end; | |
1835 | } | |
1836 | } | |
1837 | end: | |
1838 | return ret; | |
1839 | } | |
1840 | ||
1841 | static | |
1842 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1843 | { | |
1844 | size_t i; | |
1845 | int ret = 0; | |
1846 | struct bt_ctf_field_sequence *sequence; | |
1847 | ||
1848 | if (!field) { | |
1849 | ret = -1; | |
1850 | goto end; | |
1851 | } | |
1852 | ||
1853 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1854 | for (i = 0; i < sequence->elements->len; i++) { | |
1855 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1856 | ||
1857 | if (!member) { | |
1858 | /* | |
1859 | * Sequence elements are lazily initialized; skip if | |
1860 | * this member has not been allocated yet. | |
1861 | */ | |
1862 | continue; | |
1863 | } | |
1864 | ||
1865 | ret = bt_ctf_field_reset(member); | |
1866 | if (ret) { | |
1867 | goto end; | |
1868 | } | |
1869 | } | |
1870 | end: | |
1871 | return ret; | |
1872 | } | |
1873 | ||
1874 | static | |
1875 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1876 | { | |
1877 | int ret = 0; | |
1878 | struct bt_ctf_field_string *string; | |
1879 | ||
1880 | if (!field) { | |
1881 | ret = -1; | |
1882 | goto end; | |
1883 | } | |
1884 | ||
1885 | ret = bt_ctf_field_generic_reset(field); | |
1886 | if (ret) { | |
1887 | goto end; | |
1888 | } | |
1889 | ||
1890 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1891 | if (string->payload) { | |
1892 | g_string_truncate(string->payload, 0); | |
1893 | } | |
1894 | end: | |
1895 | return ret; | |
1896 | } | |
1897 | ||
273b65be JG |
1898 | static |
1899 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1900 | struct ctf_stream_pos *pos) | |
1901 | { | |
1902 | int ret = 0; | |
1903 | struct bt_ctf_field_integer *integer = container_of(field, | |
1904 | struct bt_ctf_field_integer, parent); | |
1905 | ||
fa21dcb1 JG |
1906 | if (!bt_ctf_field_generic_is_set(field)) { |
1907 | ret = -1; | |
1908 | goto end; | |
1909 | } | |
273b65be JG |
1910 | retry: |
1911 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1912 | if (ret == -EFAULT) { | |
1913 | /* | |
1914 | * The field is too large to fit in the current packet's | |
1915 | * remaining space. Bump the packet size and retry. | |
1916 | */ | |
1917 | ret = increase_packet_size(pos); | |
1918 | if (ret) { | |
1919 | goto end; | |
1920 | } | |
1921 | goto retry; | |
1922 | } | |
1923 | end: | |
1924 | return ret; | |
1925 | } | |
1926 | ||
1927 | static | |
1928 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1929 | struct ctf_stream_pos *pos) | |
1930 | { | |
1931 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1932 | field, struct bt_ctf_field_enumeration, parent); | |
1933 | ||
1934 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1935 | } | |
1936 | ||
1937 | static | |
1938 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1939 | struct ctf_stream_pos *pos) | |
1940 | { | |
1941 | int ret = 0; | |
1942 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1943 | struct bt_ctf_field_floating_point, parent); | |
1944 | ||
fa21dcb1 JG |
1945 | if (!bt_ctf_field_generic_is_set(field)) { |
1946 | ret = -1; | |
1947 | goto end; | |
1948 | } | |
273b65be JG |
1949 | retry: |
1950 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1951 | if (ret == -EFAULT) { | |
1952 | /* | |
1953 | * The field is too large to fit in the current packet's | |
1954 | * remaining space. Bump the packet size and retry. | |
1955 | */ | |
1956 | ret = increase_packet_size(pos); | |
1957 | if (ret) { | |
1958 | goto end; | |
1959 | } | |
1960 | goto retry; | |
1961 | } | |
1962 | end: | |
1963 | return ret; | |
1964 | } | |
1965 | ||
1966 | static | |
1967 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1968 | struct ctf_stream_pos *pos) | |
1969 | { | |
1970 | size_t i; | |
1971 | int ret = 0; | |
1972 | struct bt_ctf_field_structure *structure = container_of( | |
1973 | field, struct bt_ctf_field_structure, parent); | |
1974 | ||
1975 | while (!ctf_pos_access_ok(pos, | |
1976 | offset_align(pos->offset, | |
1977 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1978 | ret = increase_packet_size(pos); |
1979 | if (ret) { | |
1980 | goto end; | |
1981 | } | |
273b65be JG |
1982 | } |
1983 | ||
70fd5a51 MD |
1984 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1985 | ret = -1; | |
1986 | goto end; | |
1987 | } | |
273b65be JG |
1988 | |
1989 | for (i = 0; i < structure->fields->len; i++) { | |
bf3a205b | 1990 | struct bt_ctf_field *member = g_ptr_array_index( |
273b65be JG |
1991 | structure->fields, i); |
1992 | ||
bf3a205b | 1993 | ret = bt_ctf_field_serialize(member, pos); |
273b65be | 1994 | if (ret) { |
bcfb49d4 | 1995 | const char *name; |
bf3a205b | 1996 | struct bt_ctf_field_type *structure_type = |
bcfb49d4 JG |
1997 | bt_ctf_field_get_type(field); |
1998 | ||
bf3a205b JG |
1999 | (void) bt_ctf_field_type_structure_get_field( |
2000 | structure_type, &name, NULL, i); | |
bcfb49d4 JG |
2001 | fprintf(stderr, "Field %s failed to serialize\n", |
2002 | name ? name : "NULL"); | |
bf3a205b | 2003 | bt_put(structure_type); |
273b65be JG |
2004 | break; |
2005 | } | |
2006 | } | |
9f56e450 | 2007 | end: |
273b65be JG |
2008 | return ret; |
2009 | } | |
2010 | ||
2011 | static | |
2012 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
2013 | struct ctf_stream_pos *pos) | |
2014 | { | |
2015 | struct bt_ctf_field_variant *variant = container_of( | |
2016 | field, struct bt_ctf_field_variant, parent); | |
2017 | ||
2018 | return bt_ctf_field_serialize(variant->payload, pos); | |
2019 | } | |
2020 | ||
2021 | static | |
2022 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
2023 | struct ctf_stream_pos *pos) | |
2024 | { | |
2025 | size_t i; | |
2026 | int ret = 0; | |
2027 | struct bt_ctf_field_array *array = container_of( | |
2028 | field, struct bt_ctf_field_array, parent); | |
2029 | ||
2030 | for (i = 0; i < array->elements->len; i++) { | |
2031 | ret = bt_ctf_field_serialize( | |
2032 | g_ptr_array_index(array->elements, i), pos); | |
2033 | if (ret) { | |
bcfb49d4 | 2034 | fprintf(stderr, "Failed to serialize array element #%zu\n", i); |
273b65be JG |
2035 | goto end; |
2036 | } | |
2037 | } | |
2038 | end: | |
2039 | return ret; | |
2040 | } | |
2041 | ||
2042 | static | |
2043 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
2044 | struct ctf_stream_pos *pos) | |
2045 | { | |
2046 | size_t i; | |
2047 | int ret = 0; | |
2048 | struct bt_ctf_field_sequence *sequence = container_of( | |
2049 | field, struct bt_ctf_field_sequence, parent); | |
2050 | ||
2051 | for (i = 0; i < sequence->elements->len; i++) { | |
2052 | ret = bt_ctf_field_serialize( | |
2053 | g_ptr_array_index(sequence->elements, i), pos); | |
2054 | if (ret) { | |
bcfb49d4 | 2055 | fprintf(stderr, "Failed to serialize sequence element #%zu\n", i); |
273b65be JG |
2056 | goto end; |
2057 | } | |
2058 | } | |
2059 | end: | |
2060 | return ret; | |
2061 | } | |
2062 | ||
2063 | static | |
2064 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
2065 | struct ctf_stream_pos *pos) | |
2066 | { | |
2067 | size_t i; | |
2068 | int ret = 0; | |
2069 | struct bt_ctf_field_string *string = container_of(field, | |
2070 | struct bt_ctf_field_string, parent); | |
2071 | struct bt_ctf_field_type *character_type = | |
2072 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
2073 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
2074 | ||
2075 | for (i = 0; i < string->payload->len + 1; i++) { | |
2076 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
2077 | (uint64_t) string->payload->str[i]); | |
2078 | if (ret) { | |
2079 | goto end; | |
2080 | } | |
2081 | ||
2082 | ret = bt_ctf_field_integer_serialize(character, pos); | |
2083 | if (ret) { | |
2084 | goto end; | |
2085 | } | |
2086 | } | |
2087 | end: | |
83509119 JG |
2088 | bt_put(character); |
2089 | bt_put(character_type); | |
273b65be JG |
2090 | return ret; |
2091 | } | |
2092 | ||
87d43dc1 JG |
2093 | static |
2094 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
2095 | struct bt_ctf_field *dst) | |
2096 | { | |
2097 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
2098 | ||
2099 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 2100 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
2101 | |
2102 | memcpy(&integer_dst->definition, &integer_src->definition, | |
2103 | sizeof(struct definition_integer)); | |
2104 | return 0; | |
2105 | } | |
2106 | ||
2107 | static | |
2108 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
2109 | struct bt_ctf_field *dst) | |
2110 | { | |
2111 | int ret = 0; | |
2112 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
2113 | ||
2114 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
2115 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
2116 | ||
2117 | if (enum_src->payload) { | |
2118 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
2119 | if (!enum_dst->payload) { | |
2120 | ret = -1; | |
2121 | goto end; | |
2122 | } | |
2123 | } | |
2124 | end: | |
2125 | return ret; | |
2126 | } | |
2127 | ||
2128 | static | |
2129 | int bt_ctf_field_floating_point_copy( | |
2130 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
2131 | { | |
2132 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
2133 | ||
2134 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
2135 | parent); | |
2136 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
2137 | parent); | |
2138 | ||
2139 | memcpy(&float_dst->definition, &float_src->definition, | |
2140 | sizeof(struct definition_float)); | |
2141 | memcpy(&float_dst->sign, &float_src->sign, | |
2142 | sizeof(struct definition_integer)); | |
2143 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
2144 | sizeof(struct definition_integer)); | |
2145 | memcpy(&float_dst->exp, &float_src->exp, | |
2146 | sizeof(struct definition_integer)); | |
2147 | return 0; | |
2148 | } | |
2149 | ||
2150 | static | |
2151 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
2152 | struct bt_ctf_field *dst) | |
2153 | { | |
8bfa3f9c | 2154 | int ret = 0, i; |
87d43dc1 JG |
2155 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
2156 | ||
2157 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
2158 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
2159 | ||
8bfa3f9c | 2160 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 2161 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 2162 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
2163 | |
2164 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
2165 | struct bt_ctf_field *field = |
2166 | g_ptr_array_index(struct_src->fields, i); | |
2167 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2168 | |
50fd95bf PP |
2169 | if (field) { |
2170 | field_copy = bt_ctf_field_copy(field); | |
2171 | ||
2172 | if (!field_copy) { | |
2173 | ret = -1; | |
2174 | goto end; | |
2175 | } | |
87d43dc1 | 2176 | } |
50fd95bf | 2177 | |
8bfa3f9c | 2178 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
2179 | } |
2180 | end: | |
2181 | return ret; | |
2182 | } | |
2183 | ||
2184 | static | |
2185 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
2186 | struct bt_ctf_field *dst) | |
2187 | { | |
2188 | int ret = 0; | |
2189 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
2190 | ||
2191 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
2192 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
2193 | ||
2194 | if (variant_src->tag) { | |
2195 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
2196 | if (!variant_dst->tag) { | |
2197 | ret = -1; | |
2198 | goto end; | |
2199 | } | |
2200 | } | |
2201 | if (variant_src->payload) { | |
2202 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
2203 | if (!variant_dst->payload) { | |
2204 | ret = -1; | |
2205 | goto end; | |
2206 | } | |
2207 | } | |
2208 | end: | |
2209 | return ret; | |
2210 | } | |
2211 | ||
2212 | static | |
2213 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2214 | struct bt_ctf_field *dst) | |
2215 | { | |
2216 | int ret = 0, i; | |
2217 | struct bt_ctf_field_array *array_src, *array_dst; | |
2218 | ||
2219 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2220 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2221 | ||
8bfa3f9c | 2222 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2223 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2224 | struct bt_ctf_field *field = |
2225 | g_ptr_array_index(array_src->elements, i); | |
2226 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2227 | |
50fd95bf PP |
2228 | if (field) { |
2229 | field_copy = bt_ctf_field_copy(field); | |
2230 | ||
2231 | if (!field_copy) { | |
2232 | ret = -1; | |
2233 | goto end; | |
2234 | } | |
87d43dc1 | 2235 | } |
50fd95bf | 2236 | |
8bfa3f9c | 2237 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2238 | } |
2239 | end: | |
2240 | return ret; | |
2241 | } | |
2242 | ||
2243 | static | |
2244 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2245 | struct bt_ctf_field *dst) | |
2246 | { | |
2247 | int ret = 0, i; | |
2248 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2249 | struct bt_ctf_field *src_length; |
2250 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2251 | |
2252 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2253 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2254 | ||
59ab494d PP |
2255 | src_length = bt_ctf_field_sequence_get_length(src); |
2256 | ||
2257 | if (!src_length) { | |
2258 | /* no length set yet: keep destination sequence empty */ | |
2259 | goto end; | |
2260 | } | |
2261 | ||
2262 | /* copy source length */ | |
2263 | dst_length = bt_ctf_field_copy(src_length); | |
83509119 | 2264 | bt_put(src_length); |
59ab494d PP |
2265 | |
2266 | if (!dst_length) { | |
2267 | ret = -1; | |
2268 | goto end; | |
2269 | } | |
2270 | ||
2271 | /* this will initialize the destination sequence's internal array */ | |
2272 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
83509119 | 2273 | bt_put(dst_length); |
59ab494d PP |
2274 | |
2275 | if (ret) { | |
2276 | goto end; | |
2277 | } | |
2278 | ||
2279 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2280 | ||
87d43dc1 | 2281 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2282 | struct bt_ctf_field *field = |
2283 | g_ptr_array_index(sequence_src->elements, i); | |
2284 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2285 | |
50fd95bf PP |
2286 | if (field) { |
2287 | field_copy = bt_ctf_field_copy(field); | |
2288 | ||
2289 | if (!field_copy) { | |
2290 | ret = -1; | |
2291 | goto end; | |
2292 | } | |
87d43dc1 | 2293 | } |
59ab494d | 2294 | |
8bfa3f9c | 2295 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2296 | } |
2297 | end: | |
2298 | return ret; | |
2299 | } | |
2300 | ||
2301 | static | |
2302 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2303 | struct bt_ctf_field *dst) | |
2304 | { | |
2305 | int ret = 0; | |
2306 | struct bt_ctf_field_string *string_src, *string_dst; | |
2307 | ||
2308 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2309 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2310 | ||
2311 | if (string_src->payload) { | |
2312 | string_dst->payload = g_string_new(string_src->payload->str); | |
2313 | if (!string_dst->payload) { | |
2314 | ret = -1; | |
2315 | goto end; | |
2316 | } | |
2317 | } | |
2318 | end: | |
2319 | return ret; | |
2320 | } | |
2321 | ||
273b65be JG |
2322 | static |
2323 | int increase_packet_size(struct ctf_stream_pos *pos) | |
2324 | { | |
2325 | int ret; | |
2326 | ||
2327 | assert(pos); | |
2328 | ret = munmap_align(pos->base_mma); | |
2329 | if (ret) { | |
2330 | goto end; | |
2331 | } | |
2332 | ||
2333 | pos->packet_size += PACKET_LEN_INCREMENT; | |
d9548894 MD |
2334 | do { |
2335 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
2336 | pos->packet_size / CHAR_BIT); | |
2337 | } while (ret == EINTR); | |
273b65be | 2338 | if (ret) { |
d9548894 MD |
2339 | errno = EINTR; |
2340 | ret = -1; | |
273b65be JG |
2341 | goto end; |
2342 | } | |
2343 | ||
2344 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2345 | pos->flags, pos->fd, pos->mmap_offset); | |
2346 | if (pos->base_mma == MAP_FAILED) { | |
2347 | ret = -1; | |
2348 | } | |
2349 | end: | |
2350 | return ret; | |
2351 | } | |
918be005 PP |
2352 | |
2353 | static | |
2354 | void generic_field_freeze(struct bt_ctf_field *field) | |
2355 | { | |
2356 | field->frozen = 1; | |
2357 | } | |
2358 | ||
2359 | static | |
2360 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *field) | |
2361 | { | |
2362 | struct bt_ctf_field_enumeration *enum_field = | |
2363 | container_of(field, struct bt_ctf_field_enumeration, parent); | |
2364 | ||
2365 | bt_ctf_field_freeze(enum_field->payload); | |
2366 | generic_field_freeze(field); | |
2367 | } | |
2368 | ||
2369 | static | |
2370 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *field) | |
2371 | { | |
2372 | int i; | |
2373 | struct bt_ctf_field_structure *structure_field = | |
2374 | container_of(field, struct bt_ctf_field_structure, parent); | |
2375 | ||
2376 | for (i = 0; i < structure_field->fields->len; i++) { | |
2377 | struct bt_ctf_field *field = | |
2378 | g_ptr_array_index(structure_field->fields, i); | |
2379 | ||
2380 | bt_ctf_field_freeze(field); | |
2381 | } | |
2382 | ||
2383 | generic_field_freeze(field); | |
2384 | } | |
2385 | ||
2386 | static | |
2387 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *field) | |
2388 | { | |
2389 | struct bt_ctf_field_variant *variant_field = | |
2390 | container_of(field, struct bt_ctf_field_variant, parent); | |
2391 | ||
2392 | bt_ctf_field_freeze(variant_field->tag); | |
2393 | bt_ctf_field_freeze(variant_field->payload); | |
2394 | generic_field_freeze(field); | |
2395 | } | |
2396 | ||
2397 | static | |
2398 | void bt_ctf_field_array_freeze(struct bt_ctf_field *field) | |
2399 | { | |
2400 | int i; | |
2401 | struct bt_ctf_field_array *array_field = | |
2402 | container_of(field, struct bt_ctf_field_array, parent); | |
2403 | ||
2404 | for (i = 0; i < array_field->elements->len; i++) { | |
2405 | struct bt_ctf_field *field = | |
2406 | g_ptr_array_index(array_field->elements, i); | |
2407 | ||
2408 | bt_ctf_field_freeze(field); | |
2409 | } | |
2410 | ||
2411 | generic_field_freeze(field); | |
2412 | } | |
2413 | ||
2414 | static | |
2415 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *field) | |
2416 | { | |
2417 | int i; | |
2418 | struct bt_ctf_field_sequence *sequence_field = | |
2419 | container_of(field, struct bt_ctf_field_sequence, parent); | |
2420 | ||
2421 | bt_ctf_field_freeze(sequence_field->length); | |
2422 | ||
2423 | for (i = 0; i < sequence_field->elements->len; i++) { | |
2424 | struct bt_ctf_field *field = | |
2425 | g_ptr_array_index(sequence_field->elements, i); | |
2426 | ||
2427 | bt_ctf_field_freeze(field); | |
2428 | } | |
2429 | ||
2430 | generic_field_freeze(field); | |
2431 | } | |
2432 | ||
2433 | BT_HIDDEN | |
2434 | void bt_ctf_field_freeze(struct bt_ctf_field *field) | |
2435 | { | |
35f77de4 JG |
2436 | enum bt_ctf_type_id type_id; |
2437 | ||
918be005 PP |
2438 | if (!field) { |
2439 | goto end; | |
2440 | } | |
2441 | ||
35f77de4 JG |
2442 | type_id = bt_ctf_field_get_type_id(field); |
2443 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || | |
2444 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
2445 | goto end; | |
2446 | } | |
918be005 | 2447 | |
35f77de4 | 2448 | field_freeze_funcs[type_id](field); |
918be005 PP |
2449 | end: |
2450 | return; | |
2451 | } | |
76f869ab JG |
2452 | |
2453 | static | |
2454 | bool bt_ctf_field_generic_is_set(struct bt_ctf_field *field) | |
2455 | { | |
2456 | return field && field->payload_set; | |
2457 | } | |
2458 | ||
2459 | static | |
2460 | bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *field) | |
2461 | { | |
2462 | bool is_set = false; | |
2463 | struct bt_ctf_field_enumeration *enumeration; | |
2464 | ||
2465 | if (!field) { | |
2466 | goto end; | |
2467 | } | |
2468 | ||
2469 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
2470 | parent); | |
2471 | if (!enumeration->payload) { | |
2472 | goto end; | |
2473 | } | |
2474 | ||
2475 | is_set = bt_ctf_field_is_set(enumeration->payload); | |
2476 | end: | |
2477 | return is_set; | |
2478 | } | |
2479 | ||
2480 | static | |
2481 | bool bt_ctf_field_structure_is_set(struct bt_ctf_field *field) | |
2482 | { | |
2483 | bool is_set = false; | |
2484 | size_t i; | |
2485 | struct bt_ctf_field_structure *structure; | |
2486 | ||
2487 | if (!field) { | |
2488 | goto end; | |
2489 | } | |
2490 | ||
2491 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
2492 | for (i = 0; i < structure->fields->len; i++) { | |
2493 | is_set = bt_ctf_field_is_set(structure->fields->pdata[i]); | |
2494 | if (!is_set) { | |
2495 | goto end; | |
2496 | } | |
2497 | } | |
2498 | end: | |
2499 | return is_set; | |
2500 | } | |
2501 | ||
2502 | static | |
2503 | bool bt_ctf_field_variant_is_set(struct bt_ctf_field *field) | |
2504 | { | |
2505 | bool is_set = false; | |
2506 | struct bt_ctf_field_variant *variant; | |
2507 | ||
2508 | if (!field) { | |
2509 | goto end; | |
2510 | } | |
2511 | ||
2512 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
2513 | is_set = bt_ctf_field_is_set(variant->payload); | |
2514 | end: | |
2515 | return is_set; | |
2516 | } | |
2517 | ||
2518 | static | |
2519 | bool bt_ctf_field_array_is_set(struct bt_ctf_field *field) | |
2520 | { | |
2521 | size_t i; | |
2522 | bool is_set = false; | |
2523 | struct bt_ctf_field_array *array; | |
2524 | ||
2525 | if (!field) { | |
2526 | goto end; | |
2527 | } | |
2528 | ||
2529 | array = container_of(field, struct bt_ctf_field_array, parent); | |
2530 | for (i = 0; i < array->elements->len; i++) { | |
24626e8b | 2531 | is_set = bt_ctf_field_is_set(array->elements->pdata[i]); |
76f869ab JG |
2532 | if (!is_set) { |
2533 | goto end; | |
2534 | } | |
2535 | } | |
2536 | end: | |
2537 | return is_set; | |
2538 | } | |
2539 | ||
2540 | static | |
2541 | bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *field) | |
2542 | { | |
2543 | size_t i; | |
2544 | bool is_set = false; | |
2545 | struct bt_ctf_field_sequence *sequence; | |
2546 | ||
2547 | if (!field) { | |
2548 | goto end; | |
2549 | } | |
2550 | ||
2551 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
2552 | for (i = 0; i < sequence->elements->len; i++) { | |
2553 | is_set = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
2554 | if (!is_set) { | |
2555 | goto end; | |
2556 | } | |
2557 | } | |
2558 | end: | |
2559 | return is_set; | |
2560 | } |