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 | ||
273b65be JG |
164 | static |
165 | int increase_packet_size(struct ctf_stream_pos *pos); | |
166 | ||
167 | static | |
ce6da4fd | 168 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be | 169 | struct bt_ctf_field_type *) = { |
9a19a512 PP |
170 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_create, |
171 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create, | |
172 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 173 | bt_ctf_field_floating_point_create, |
9a19a512 PP |
174 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_create, |
175 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_create, | |
176 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_create, | |
177 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create, | |
178 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_create, | |
273b65be JG |
179 | }; |
180 | ||
181 | static | |
ce6da4fd | 182 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
183 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy, |
184 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy, | |
185 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 186 | bt_ctf_field_floating_point_destroy, |
9a19a512 PP |
187 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy, |
188 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy, | |
189 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy, | |
190 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
191 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_destroy, | |
273b65be JG |
192 | }; |
193 | ||
194 | static | |
ce6da4fd | 195 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
196 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate, |
197 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate, | |
198 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate, | |
199 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate, | |
200 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate, | |
201 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_validate, | |
202 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate, | |
203 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_validate, | |
273b65be JG |
204 | }; |
205 | ||
12c8a1a3 | 206 | static |
ce6da4fd | 207 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
208 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset, |
209 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset, | |
210 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset, | |
211 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset, | |
212 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset, | |
213 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_reset, | |
214 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset, | |
215 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_reset, | |
12c8a1a3 JG |
216 | }; |
217 | ||
273b65be | 218 | static |
ce6da4fd | 219 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
273b65be | 220 | struct ctf_stream_pos *) = { |
9a19a512 PP |
221 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize, |
222 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize, | |
223 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 224 | bt_ctf_field_floating_point_serialize, |
9a19a512 PP |
225 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize, |
226 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize, | |
227 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize, | |
228 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
229 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_serialize, | |
273b65be JG |
230 | }; |
231 | ||
87d43dc1 | 232 | static |
ce6da4fd JG |
233 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
234 | struct bt_ctf_field *) = { | |
9a19a512 PP |
235 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy, |
236 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy, | |
237 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy, | |
238 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy, | |
239 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy, | |
240 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_copy, | |
241 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy, | |
242 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_copy, | |
87d43dc1 JG |
243 | }; |
244 | ||
918be005 PP |
245 | static |
246 | void (* const field_freeze_funcs[])(struct bt_ctf_field *) = { | |
247 | [BT_CTF_TYPE_ID_INTEGER] = generic_field_freeze, | |
248 | [BT_CTF_TYPE_ID_FLOAT] = generic_field_freeze, | |
249 | [BT_CTF_TYPE_ID_STRING] = generic_field_freeze, | |
250 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_freeze, | |
251 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_freeze, | |
252 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_freeze, | |
253 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_freeze, | |
254 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_freeze, | |
255 | }; | |
256 | ||
273b65be JG |
257 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
258 | { | |
259 | struct bt_ctf_field *field = NULL; | |
9a19a512 | 260 | enum bt_ctf_type_id type_id; |
81e36fac | 261 | int ret; |
273b65be JG |
262 | |
263 | if (!type) { | |
264 | goto error; | |
265 | } | |
266 | ||
267 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
268 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
269 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
81e36fac PP |
270 | goto error; |
271 | } | |
272 | ||
273 | /* Field class MUST be valid */ | |
274 | ret = bt_ctf_field_type_validate(type); | |
275 | ||
276 | if (ret) { | |
277 | /* Invalid */ | |
273b65be JG |
278 | goto error; |
279 | } | |
280 | ||
281 | field = field_create_funcs[type_id](type); | |
282 | if (!field) { | |
283 | goto error; | |
284 | } | |
285 | ||
286 | /* The type's declaration can't change after this point */ | |
287 | bt_ctf_field_type_freeze(type); | |
83509119 JG |
288 | bt_get(type); |
289 | bt_object_init(field, bt_ctf_field_destroy); | |
273b65be JG |
290 | field->type = type; |
291 | error: | |
292 | return field; | |
293 | } | |
294 | ||
295 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
296 | { | |
83509119 | 297 | bt_get(field); |
273b65be JG |
298 | } |
299 | ||
300 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
301 | { | |
83509119 | 302 | bt_put(field); |
273b65be JG |
303 | } |
304 | ||
cd95e351 JG |
305 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
306 | { | |
307 | struct bt_ctf_field_type *ret = NULL; | |
308 | ||
309 | if (!field) { | |
310 | goto end; | |
311 | } | |
312 | ||
313 | ret = field->type; | |
83509119 | 314 | bt_get(ret); |
cd95e351 JG |
315 | end: |
316 | return ret; | |
317 | } | |
318 | ||
9a19a512 | 319 | enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
4ebcc695 | 320 | { |
9a19a512 | 321 | enum bt_ctf_type_id ret = BT_CTF_TYPE_ID_UNKNOWN; |
4ebcc695 PP |
322 | |
323 | if (!field) { | |
324 | goto end; | |
325 | } | |
326 | ||
327 | ret = bt_ctf_field_type_get_type_id(field->type); | |
328 | end: | |
329 | return ret; | |
330 | } | |
331 | ||
8f3553be PP |
332 | int bt_ctf_field_is_integer(struct bt_ctf_field *field) |
333 | { | |
9a19a512 | 334 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_INTEGER; |
8f3553be PP |
335 | } |
336 | ||
337 | int bt_ctf_field_is_floating_point(struct bt_ctf_field *field) | |
338 | { | |
9a19a512 | 339 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_FLOAT; |
8f3553be PP |
340 | } |
341 | ||
342 | int bt_ctf_field_is_enumeration(struct bt_ctf_field *field) | |
343 | { | |
9a19a512 | 344 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ENUM; |
8f3553be PP |
345 | } |
346 | ||
347 | int bt_ctf_field_is_string(struct bt_ctf_field *field) | |
348 | { | |
9a19a512 | 349 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRING; |
8f3553be PP |
350 | } |
351 | ||
352 | int bt_ctf_field_is_structure(struct bt_ctf_field *field) | |
353 | { | |
9a19a512 | 354 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRUCT; |
8f3553be PP |
355 | } |
356 | ||
357 | int bt_ctf_field_is_array(struct bt_ctf_field *field) | |
358 | { | |
9a19a512 | 359 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ARRAY; |
8f3553be PP |
360 | } |
361 | ||
362 | int bt_ctf_field_is_sequence(struct bt_ctf_field *field) | |
363 | { | |
9a19a512 | 364 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_SEQUENCE; |
8f3553be PP |
365 | } |
366 | ||
367 | int bt_ctf_field_is_variant(struct bt_ctf_field *field) | |
368 | { | |
9a19a512 | 369 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_VARIANT; |
8f3553be PP |
370 | } |
371 | ||
cd95e351 JG |
372 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
373 | struct bt_ctf_field *field) | |
374 | { | |
375 | struct bt_ctf_field *ret = NULL; | |
376 | struct bt_ctf_field_sequence *sequence; | |
377 | ||
378 | if (!field) { | |
379 | goto end; | |
380 | } | |
381 | ||
382 | if (bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 383 | BT_CTF_TYPE_ID_SEQUENCE) { |
cd95e351 JG |
384 | goto end; |
385 | } | |
386 | ||
387 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
388 | ret = sequence->length; | |
83509119 | 389 | bt_get(ret); |
cd95e351 JG |
390 | end: |
391 | return ret; | |
392 | } | |
393 | ||
273b65be JG |
394 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
395 | struct bt_ctf_field *length_field) | |
396 | { | |
397 | int ret = 0; | |
398 | struct bt_ctf_field_type_integer *length_type; | |
399 | struct bt_ctf_field_integer *length; | |
400 | struct bt_ctf_field_sequence *sequence; | |
401 | uint64_t sequence_length; | |
402 | ||
918be005 | 403 | if (!field || !length_field || field->frozen) { |
273b65be JG |
404 | ret = -1; |
405 | goto end; | |
406 | } | |
407 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
9a19a512 | 408 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
409 | ret = -1; |
410 | goto end; | |
411 | } | |
412 | ||
413 | length_type = container_of(length_field->type, | |
414 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 415 | /* The length field must be unsigned */ |
273b65be JG |
416 | if (length_type->declaration.signedness) { |
417 | ret = -1; | |
418 | goto end; | |
419 | } | |
420 | ||
421 | length = container_of(length_field, struct bt_ctf_field_integer, | |
422 | parent); | |
423 | sequence_length = length->definition.value._unsigned; | |
424 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
425 | if (sequence->elements) { | |
426 | g_ptr_array_free(sequence->elements, TRUE); | |
83509119 | 427 | bt_put(sequence->length); |
273b65be JG |
428 | } |
429 | ||
fe0fe95c | 430 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
431 | if (!sequence->elements) { |
432 | ret = -1; | |
433 | goto end; | |
434 | } | |
435 | ||
fe0fe95c | 436 | g_ptr_array_set_free_func(sequence->elements, |
83509119 JG |
437 | (GDestroyNotify) bt_put); |
438 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); | |
439 | bt_get(length_field); | |
273b65be JG |
440 | sequence->length = length_field; |
441 | end: | |
442 | return ret; | |
443 | } | |
444 | ||
445 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
446 | struct bt_ctf_field *field, const char *name) | |
447 | { | |
448 | struct bt_ctf_field *new_field = NULL; | |
449 | GQuark field_quark; | |
450 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 451 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
452 | size_t index; |
453 | ||
454 | if (!field || !name || | |
455 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 456 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
457 | goto error; |
458 | } | |
459 | ||
460 | field_quark = g_quark_from_string(name); | |
461 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
462 | field_type = |
463 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
464 | name); | |
273b65be JG |
465 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
466 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
467 | goto error; | |
468 | } | |
469 | ||
470 | if (structure->fields->pdata[index]) { | |
471 | new_field = structure->fields->pdata[index]; | |
472 | goto end; | |
473 | } | |
474 | ||
918be005 PP |
475 | /* We don't want to modify this field if it's frozen */ |
476 | if (field->frozen) { | |
477 | goto end; | |
478 | } | |
479 | ||
273b65be JG |
480 | new_field = bt_ctf_field_create(field_type); |
481 | if (!new_field) { | |
482 | goto error; | |
483 | } | |
484 | ||
485 | structure->fields->pdata[index] = new_field; | |
486 | end: | |
83509119 | 487 | bt_get(new_field); |
273b65be | 488 | error: |
b92ddaaa | 489 | if (field_type) { |
83509119 | 490 | bt_put(field_type); |
b92ddaaa | 491 | } |
273b65be JG |
492 | return new_field; |
493 | } | |
494 | ||
cd95e351 | 495 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 496 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
497 | { |
498 | int ret; | |
499 | const char *field_name; | |
500 | struct bt_ctf_field_structure *structure; | |
501 | struct bt_ctf_field_type *structure_type; | |
502 | struct bt_ctf_field_type *field_type = NULL; | |
503 | struct bt_ctf_field *ret_field = NULL; | |
504 | ||
505 | if (!field || | |
9a19a512 PP |
506 | bt_ctf_field_type_get_type_id(field->type) != |
507 | BT_CTF_TYPE_ID_STRUCT) { | |
cd95e351 JG |
508 | goto end; |
509 | } | |
510 | ||
511 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
512 | if (index >= structure->fields->len) { | |
513 | goto error; | |
514 | } | |
515 | ||
516 | ret_field = structure->fields->pdata[index]; | |
517 | if (ret_field) { | |
518 | goto end; | |
519 | } | |
520 | ||
918be005 PP |
521 | /* We don't want to modify this field if it's frozen */ |
522 | if (field->frozen) { | |
523 | goto end; | |
524 | } | |
525 | ||
cd95e351 JG |
526 | /* Field has not been instanciated yet, create it */ |
527 | structure_type = bt_ctf_field_get_type(field); | |
528 | if (!structure_type) { | |
529 | goto error; | |
530 | } | |
531 | ||
532 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
533 | &field_name, &field_type, index); | |
83509119 | 534 | bt_put(structure_type); |
cd95e351 JG |
535 | if (ret) { |
536 | goto error; | |
537 | } | |
538 | ||
539 | ret_field = bt_ctf_field_create(field_type); | |
540 | if (!ret_field) { | |
541 | goto error; | |
542 | } | |
543 | ||
544 | structure->fields->pdata[index] = ret_field; | |
545 | end: | |
83509119 | 546 | bt_get(ret_field); |
cd95e351 | 547 | error: |
83509119 | 548 | bt_put(field_type); |
cd95e351 JG |
549 | return ret_field; |
550 | } | |
551 | ||
273b65be JG |
552 | BT_HIDDEN |
553 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
554 | const char *name, struct bt_ctf_field *value) | |
555 | { | |
556 | int ret = 0; | |
557 | GQuark field_quark; | |
558 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 559 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
560 | size_t index; |
561 | ||
918be005 | 562 | if (!field || !name || !value || field->frozen || |
273b65be | 563 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 564 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
565 | ret = -1; |
566 | goto end; | |
567 | } | |
568 | ||
569 | field_quark = g_quark_from_string(name); | |
570 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
571 | expected_field_type = |
572 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
573 | name); | |
09840de5 PP |
574 | |
575 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { | |
273b65be JG |
576 | ret = -1; |
577 | goto end; | |
578 | } | |
579 | ||
580 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
581 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
582 | goto end; | |
583 | } | |
584 | ||
585 | if (structure->fields->pdata[index]) { | |
83509119 | 586 | bt_put(structure->fields->pdata[index]); |
273b65be JG |
587 | } |
588 | ||
589 | structure->fields->pdata[index] = value; | |
83509119 | 590 | bt_get(value); |
273b65be | 591 | end: |
b92ddaaa | 592 | if (expected_field_type) { |
83509119 | 593 | bt_put(expected_field_type); |
b92ddaaa | 594 | } |
273b65be JG |
595 | return ret; |
596 | } | |
597 | ||
598 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
599 | uint64_t index) | |
600 | { | |
601 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 602 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 603 | struct bt_ctf_field_array *array; |
273b65be JG |
604 | |
605 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 606 | BT_CTF_TYPE_ID_ARRAY) { |
273b65be JG |
607 | goto end; |
608 | } | |
609 | ||
610 | array = container_of(field, struct bt_ctf_field_array, parent); | |
611 | if (index >= array->elements->len) { | |
612 | goto end; | |
613 | } | |
614 | ||
b92ddaaa | 615 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
616 | if (array->elements->pdata[(size_t)index]) { |
617 | new_field = array->elements->pdata[(size_t)index]; | |
618 | goto end; | |
619 | } | |
620 | ||
918be005 PP |
621 | /* We don't want to modify this field if it's frozen */ |
622 | if (field->frozen) { | |
623 | goto end; | |
624 | } | |
625 | ||
273b65be | 626 | new_field = bt_ctf_field_create(field_type); |
273b65be JG |
627 | array->elements->pdata[(size_t)index] = new_field; |
628 | end: | |
b92ddaaa | 629 | if (field_type) { |
83509119 | 630 | bt_put(field_type); |
b92ddaaa | 631 | } |
92c8b4f9 | 632 | if (new_field) { |
83509119 | 633 | bt_get(new_field); |
92c8b4f9 | 634 | } |
273b65be JG |
635 | return new_field; |
636 | } | |
637 | ||
638 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
639 | uint64_t index) | |
640 | { | |
641 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 642 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 643 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
644 | |
645 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 646 | BT_CTF_TYPE_ID_SEQUENCE) { |
273b65be JG |
647 | goto end; |
648 | } | |
649 | ||
650 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
651 | if (!sequence->elements || sequence->elements->len <= index) { | |
652 | goto end; | |
653 | } | |
654 | ||
b92ddaaa | 655 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
83509119 JG |
656 | if (sequence->elements->pdata[(size_t) index]) { |
657 | new_field = sequence->elements->pdata[(size_t) index]; | |
273b65be JG |
658 | goto end; |
659 | } | |
660 | ||
918be005 PP |
661 | /* We don't want to modify this field if it's frozen */ |
662 | if (field->frozen) { | |
663 | goto end; | |
664 | } | |
665 | ||
273b65be | 666 | new_field = bt_ctf_field_create(field_type); |
83509119 | 667 | sequence->elements->pdata[(size_t) index] = new_field; |
273b65be | 668 | end: |
b92ddaaa | 669 | if (field_type) { |
83509119 | 670 | bt_put(field_type); |
b92ddaaa | 671 | } |
92c8b4f9 | 672 | if (new_field) { |
83509119 | 673 | bt_get(new_field); |
92c8b4f9 | 674 | } |
273b65be JG |
675 | return new_field; |
676 | } | |
677 | ||
678 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
679 | struct bt_ctf_field *tag_field) | |
680 | { | |
681 | struct bt_ctf_field *new_field = NULL; | |
682 | struct bt_ctf_field_variant *variant; | |
683 | struct bt_ctf_field_type_variant *variant_type; | |
684 | struct bt_ctf_field_type *field_type; | |
685 | struct bt_ctf_field *tag_enum = NULL; | |
686 | struct bt_ctf_field_integer *tag_enum_integer; | |
687 | int64_t tag_enum_value; | |
688 | ||
689 | if (!field || !tag_field || | |
690 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 691 | BT_CTF_TYPE_ID_VARIANT || |
273b65be | 692 | bt_ctf_field_type_get_type_id(tag_field->type) != |
9a19a512 | 693 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
694 | goto end; |
695 | } | |
696 | ||
697 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
698 | variant_type = container_of(field->type, | |
699 | struct bt_ctf_field_type_variant, parent); | |
700 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
701 | if (!tag_enum) { | |
702 | goto end; | |
703 | } | |
704 | ||
705 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
706 | parent); | |
707 | ||
2c661a4d | 708 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
709 | goto end; |
710 | } | |
711 | ||
712 | tag_enum_value = tag_enum_integer->definition.value._signed; | |
2829190c PP |
713 | |
714 | /* | |
715 | * If the variant currently has a tag and a payload, and if the | |
716 | * requested tag value is the same as the current one, return | |
717 | * the current payload instead of creating a fresh one. | |
718 | */ | |
719 | if (variant->tag && variant->payload) { | |
720 | struct bt_ctf_field *cur_tag_container = NULL; | |
721 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
722 | int64_t cur_tag_value; | |
723 | ||
724 | cur_tag_container = | |
725 | bt_ctf_field_enumeration_get_container(variant->tag); | |
9a5df386 | 726 | assert(cur_tag_container); |
2829190c PP |
727 | cur_tag_enum_integer = container_of(cur_tag_container, |
728 | struct bt_ctf_field_integer, parent); | |
83509119 | 729 | bt_put(cur_tag_container); |
2829190c PP |
730 | cur_tag_value = cur_tag_enum_integer->definition.value._signed; |
731 | ||
732 | if (cur_tag_value == tag_enum_value) { | |
733 | new_field = variant->payload; | |
83509119 | 734 | bt_get(new_field); |
2829190c PP |
735 | goto end; |
736 | } | |
737 | } | |
738 | ||
918be005 PP |
739 | /* We don't want to modify this field if it's frozen */ |
740 | if (field->frozen) { | |
741 | goto end; | |
742 | } | |
743 | ||
b92ddaaa JG |
744 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
745 | variant_type, tag_enum_value); | |
273b65be JG |
746 | if (!field_type) { |
747 | goto end; | |
748 | } | |
749 | ||
750 | new_field = bt_ctf_field_create(field_type); | |
751 | if (!new_field) { | |
752 | goto end; | |
753 | } | |
754 | ||
83509119 JG |
755 | bt_put(variant->tag); |
756 | bt_put(variant->payload); | |
757 | bt_get(new_field); | |
758 | bt_get(tag_field); | |
273b65be JG |
759 | variant->tag = tag_field; |
760 | variant->payload = new_field; | |
761 | end: | |
83509119 | 762 | bt_put(tag_enum); |
273b65be JG |
763 | return new_field; |
764 | } | |
765 | ||
3f4a108d PP |
766 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
767 | struct bt_ctf_field *variant_field) | |
768 | { | |
769 | struct bt_ctf_field *current_field = NULL; | |
770 | struct bt_ctf_field_variant *variant; | |
771 | ||
772 | if (!variant_field || | |
773 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
9a19a512 | 774 | BT_CTF_TYPE_ID_VARIANT) { |
3f4a108d PP |
775 | goto end; |
776 | } | |
777 | ||
778 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
779 | parent); | |
780 | ||
781 | if (variant->payload) { | |
782 | current_field = variant->payload; | |
83509119 | 783 | bt_get(current_field); |
3f4a108d PP |
784 | goto end; |
785 | } | |
786 | ||
787 | end: | |
788 | return current_field; | |
789 | } | |
790 | ||
273b65be JG |
791 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
792 | struct bt_ctf_field *field) | |
793 | { | |
794 | struct bt_ctf_field *container = NULL; | |
795 | struct bt_ctf_field_enumeration *enumeration; | |
796 | ||
b92ddaaa | 797 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 798 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
799 | goto end; |
800 | } | |
801 | ||
802 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
803 | parent); | |
804 | if (!enumeration->payload) { | |
918be005 PP |
805 | /* We don't want to modify this field if it's frozen */ |
806 | if (field->frozen) { | |
807 | goto end; | |
808 | } | |
809 | ||
273b65be JG |
810 | struct bt_ctf_field_type_enumeration *enumeration_type = |
811 | container_of(field->type, | |
812 | struct bt_ctf_field_type_enumeration, parent); | |
813 | enumeration->payload = | |
814 | bt_ctf_field_create(enumeration_type->container); | |
815 | } | |
816 | ||
817 | container = enumeration->payload; | |
83509119 | 818 | bt_get(container); |
273b65be JG |
819 | end: |
820 | return container; | |
821 | } | |
822 | ||
cd95e351 JG |
823 | const char *bt_ctf_field_enumeration_get_mapping_name( |
824 | struct bt_ctf_field *field) | |
825 | { | |
826 | int ret; | |
827 | const char *name = NULL; | |
828 | struct bt_ctf_field *container = NULL; | |
829 | struct bt_ctf_field_type *container_type = NULL; | |
830 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
831 | struct bt_ctf_field_type_enumeration *enumeration_type = NULL; | |
832 | ||
833 | container = bt_ctf_field_enumeration_get_container(field); | |
834 | if (!container) { | |
835 | goto end; | |
836 | } | |
837 | ||
838 | container_type = bt_ctf_field_get_type(container); | |
839 | if (!container_type) { | |
840 | goto error_put_container; | |
841 | } | |
842 | ||
843 | integer_type = container_of(container_type, | |
844 | struct bt_ctf_field_type_integer, parent); | |
845 | enumeration_type = container_of(field->type, | |
846 | struct bt_ctf_field_type_enumeration, parent); | |
847 | ||
10817e06 | 848 | if (!integer_type->declaration.signedness) { |
cd95e351 JG |
849 | uint64_t value; |
850 | ret = bt_ctf_field_unsigned_integer_get_value(container, | |
851 | &value); | |
852 | if (ret) { | |
853 | goto error_put_container_type; | |
854 | } | |
855 | ||
856 | name = bt_ctf_field_type_enumeration_get_mapping_name_unsigned( | |
857 | enumeration_type, value); | |
858 | } else { | |
859 | int64_t value; | |
860 | ret = bt_ctf_field_signed_integer_get_value(container, | |
861 | &value); | |
862 | if (ret) { | |
863 | goto error_put_container_type; | |
864 | } | |
865 | ||
866 | name = bt_ctf_field_type_enumeration_get_mapping_name_signed( | |
867 | enumeration_type, value); | |
868 | } | |
869 | ||
870 | error_put_container_type: | |
83509119 | 871 | bt_put(container_type); |
cd95e351 | 872 | error_put_container: |
83509119 | 873 | bt_put(container); |
cd95e351 JG |
874 | end: |
875 | return name; | |
876 | } | |
877 | ||
878 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
879 | int64_t *value) | |
880 | { | |
881 | int ret = 0; | |
882 | struct bt_ctf_field_integer *integer; | |
883 | struct bt_ctf_field_type_integer *integer_type; | |
884 | ||
885 | if (!field || !value || !field->payload_set || | |
886 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 887 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
888 | ret = -1; |
889 | goto end; | |
890 | } | |
891 | ||
892 | integer_type = container_of(field->type, | |
893 | struct bt_ctf_field_type_integer, parent); | |
894 | if (!integer_type->declaration.signedness) { | |
895 | ret = -1; | |
896 | goto end; | |
897 | } | |
898 | ||
899 | integer = container_of(field, | |
900 | struct bt_ctf_field_integer, parent); | |
901 | *value = integer->definition.value._signed; | |
902 | end: | |
903 | return ret; | |
904 | } | |
905 | ||
273b65be JG |
906 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
907 | int64_t value) | |
908 | { | |
909 | int ret = 0; | |
910 | struct bt_ctf_field_integer *integer; | |
911 | struct bt_ctf_field_type_integer *integer_type; | |
912 | unsigned int size; | |
913 | int64_t min_value, max_value; | |
914 | ||
918be005 | 915 | if (!field || field->frozen || |
273b65be | 916 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 917 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
918 | ret = -1; |
919 | goto end; | |
920 | } | |
921 | ||
922 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
923 | integer_type = container_of(field->type, | |
924 | struct bt_ctf_field_type_integer, parent); | |
925 | if (!integer_type->declaration.signedness) { | |
926 | ret = -1; | |
927 | goto end; | |
928 | } | |
929 | ||
930 | size = integer_type->declaration.len; | |
931 | min_value = -((int64_t)1 << (size - 1)); | |
932 | max_value = ((int64_t)1 << (size - 1)) - 1; | |
933 | if (value < min_value || value > max_value) { | |
934 | ret = -1; | |
935 | goto end; | |
936 | } | |
937 | ||
938 | integer->definition.value._signed = value; | |
939 | integer->parent.payload_set = 1; | |
940 | end: | |
941 | return ret; | |
942 | } | |
943 | ||
cd95e351 JG |
944 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
945 | uint64_t *value) | |
946 | { | |
947 | int ret = 0; | |
948 | struct bt_ctf_field_integer *integer; | |
949 | struct bt_ctf_field_type_integer *integer_type; | |
950 | ||
951 | if (!field || !value || !field->payload_set || | |
952 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 953 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
954 | ret = -1; |
955 | goto end; | |
956 | } | |
957 | ||
958 | integer_type = container_of(field->type, | |
959 | struct bt_ctf_field_type_integer, parent); | |
960 | if (integer_type->declaration.signedness) { | |
961 | ret = -1; | |
962 | goto end; | |
963 | } | |
964 | ||
965 | integer = container_of(field, | |
966 | struct bt_ctf_field_integer, parent); | |
967 | *value = integer->definition.value._unsigned; | |
968 | end: | |
969 | return ret; | |
970 | } | |
971 | ||
273b65be JG |
972 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
973 | uint64_t value) | |
974 | { | |
975 | int ret = 0; | |
976 | struct bt_ctf_field_integer *integer; | |
977 | struct bt_ctf_field_type_integer *integer_type; | |
978 | unsigned int size; | |
979 | uint64_t max_value; | |
980 | ||
918be005 | 981 | if (!field || field->frozen || |
273b65be | 982 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 983 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
984 | ret = -1; |
985 | goto end; | |
986 | } | |
987 | ||
988 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
989 | integer_type = container_of(field->type, | |
990 | struct bt_ctf_field_type_integer, parent); | |
991 | if (integer_type->declaration.signedness) { | |
992 | ret = -1; | |
993 | goto end; | |
994 | } | |
995 | ||
996 | size = integer_type->declaration.len; | |
997 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t)1 << size) - 1; | |
998 | if (value > max_value) { | |
999 | ret = -1; | |
1000 | goto end; | |
1001 | } | |
1002 | ||
1003 | integer->definition.value._unsigned = value; | |
1004 | integer->parent.payload_set = 1; | |
1005 | end: | |
1006 | return ret; | |
1007 | } | |
1008 | ||
cd95e351 JG |
1009 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
1010 | double *value) | |
1011 | { | |
1012 | int ret = 0; | |
1013 | struct bt_ctf_field_floating_point *floating_point; | |
1014 | ||
1015 | if (!field || !value || !field->payload_set || | |
1016 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1017 | BT_CTF_TYPE_ID_FLOAT) { |
cd95e351 JG |
1018 | ret = -1; |
1019 | goto end; | |
1020 | } | |
1021 | ||
1022 | floating_point = container_of(field, | |
1023 | struct bt_ctf_field_floating_point, parent); | |
1024 | *value = floating_point->definition.value; | |
1025 | end: | |
1026 | return ret; | |
1027 | } | |
1028 | ||
273b65be JG |
1029 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
1030 | double value) | |
1031 | { | |
1032 | int ret = 0; | |
1033 | struct bt_ctf_field_floating_point *floating_point; | |
1034 | ||
918be005 | 1035 | if (!field || field->frozen || |
273b65be | 1036 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1037 | BT_CTF_TYPE_ID_FLOAT) { |
273b65be JG |
1038 | ret = -1; |
1039 | goto end; | |
1040 | } | |
1041 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1042 | parent); | |
1043 | floating_point->definition.value = value; | |
1044 | floating_point->parent.payload_set = 1; | |
1045 | end: | |
1046 | return ret; | |
1047 | } | |
1048 | ||
cd95e351 JG |
1049 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
1050 | { | |
1051 | const char *ret = NULL; | |
1052 | struct bt_ctf_field_string *string; | |
1053 | ||
1054 | if (!field || !field->payload_set || | |
1055 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1056 | BT_CTF_TYPE_ID_STRING) { |
cd95e351 JG |
1057 | goto end; |
1058 | } | |
1059 | ||
1060 | string = container_of(field, | |
1061 | struct bt_ctf_field_string, parent); | |
1062 | ret = string->payload->str; | |
1063 | end: | |
1064 | return ret; | |
1065 | } | |
1066 | ||
273b65be JG |
1067 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
1068 | const char *value) | |
1069 | { | |
1070 | int ret = 0; | |
1071 | struct bt_ctf_field_string *string; | |
1072 | ||
918be005 | 1073 | if (!field || !value || field->frozen || |
273b65be | 1074 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1075 | BT_CTF_TYPE_ID_STRING) { |
273b65be JG |
1076 | ret = -1; |
1077 | goto end; | |
1078 | } | |
1079 | ||
1080 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1081 | if (string->payload) { | |
97736814 JG |
1082 | g_string_assign(string->payload, value); |
1083 | } else { | |
1084 | string->payload = g_string_new(value); | |
273b65be JG |
1085 | } |
1086 | ||
273b65be JG |
1087 | string->parent.payload_set = 1; |
1088 | end: | |
1089 | return ret; | |
1090 | } | |
1091 | ||
c6f9c5a3 PP |
1092 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
1093 | const char *value) | |
1094 | { | |
1095 | int ret = 0; | |
1096 | struct bt_ctf_field_string *string_field; | |
1097 | ||
918be005 | 1098 | if (!field || !value || field->frozen || |
c6f9c5a3 | 1099 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1100 | BT_CTF_TYPE_ID_STRING) { |
c6f9c5a3 PP |
1101 | ret = -1; |
1102 | goto end; | |
1103 | } | |
1104 | ||
1105 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1106 | ||
1107 | if (string_field->payload) { | |
1108 | g_string_append(string_field->payload, value); | |
1109 | } else { | |
1110 | string_field->payload = g_string_new(value); | |
1111 | } | |
1112 | ||
1113 | string_field->parent.payload_set = 1; | |
1114 | ||
1115 | end: | |
1116 | return ret; | |
1117 | } | |
1118 | ||
f98c6554 PP |
1119 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1120 | const char *value, unsigned int length) | |
1121 | { | |
1122 | int i; | |
1123 | int ret = 0; | |
1124 | unsigned int effective_length = length; | |
1125 | struct bt_ctf_field_string *string_field; | |
1126 | ||
918be005 | 1127 | if (!field || !value || field->frozen || |
f98c6554 | 1128 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1129 | BT_CTF_TYPE_ID_STRING) { |
f98c6554 PP |
1130 | ret = -1; |
1131 | goto end; | |
1132 | } | |
1133 | ||
1134 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1135 | ||
1136 | /* make sure no null bytes are appended */ | |
1137 | for (i = 0; i < length; ++i) { | |
1138 | if (value[i] == '\0') { | |
1139 | effective_length = i; | |
1140 | break; | |
1141 | } | |
1142 | } | |
1143 | ||
1144 | if (string_field->payload) { | |
ce6d5230 | 1145 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1146 | effective_length); |
1147 | } else { | |
1148 | string_field->payload = g_string_new_len(value, | |
1149 | effective_length); | |
1150 | } | |
1151 | ||
1152 | string_field->parent.payload_set = 1; | |
1153 | ||
1154 | end: | |
1155 | return ret; | |
1156 | } | |
1157 | ||
273b65be JG |
1158 | BT_HIDDEN |
1159 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1160 | { | |
1161 | int ret = 0; | |
9a19a512 | 1162 | enum bt_ctf_type_id type_id; |
273b65be JG |
1163 | |
1164 | if (!field) { | |
1165 | ret = -1; | |
1166 | goto end; | |
1167 | } | |
1168 | ||
1169 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1170 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1171 | ret = -1; |
1172 | goto end; | |
1173 | } | |
1174 | ||
1175 | ret = field_validate_funcs[type_id](field); | |
1176 | end: | |
1177 | return ret; | |
1178 | } | |
1179 | ||
12c8a1a3 JG |
1180 | BT_HIDDEN |
1181 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1182 | { | |
1183 | int ret = 0; | |
9a19a512 | 1184 | enum bt_ctf_type_id type_id; |
12c8a1a3 JG |
1185 | |
1186 | if (!field) { | |
1187 | ret = -1; | |
1188 | goto end; | |
1189 | } | |
1190 | ||
1191 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1192 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
12c8a1a3 JG |
1193 | ret = -1; |
1194 | goto end; | |
1195 | } | |
1196 | ||
1197 | ret = field_reset_funcs[type_id](field); | |
1198 | end: | |
1199 | return ret; | |
1200 | } | |
1201 | ||
273b65be JG |
1202 | BT_HIDDEN |
1203 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
1204 | struct ctf_stream_pos *pos) | |
1205 | { | |
1206 | int ret = 0; | |
9a19a512 | 1207 | enum bt_ctf_type_id type_id; |
273b65be JG |
1208 | |
1209 | if (!field || !pos) { | |
1210 | ret = -1; | |
1211 | goto end; | |
1212 | } | |
1213 | ||
1214 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1215 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1216 | ret = -1; |
1217 | goto end; | |
1218 | } | |
1219 | ||
1220 | ret = field_serialize_funcs[type_id](field, pos); | |
1221 | end: | |
1222 | return ret; | |
1223 | } | |
1224 | ||
87d43dc1 JG |
1225 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1226 | { | |
1227 | int ret; | |
1228 | struct bt_ctf_field *copy = NULL; | |
9a19a512 | 1229 | enum bt_ctf_type_id type_id; |
87d43dc1 JG |
1230 | |
1231 | if (!field) { | |
87d43dc1 JG |
1232 | goto end; |
1233 | } | |
1234 | ||
1235 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1236 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
87d43dc1 JG |
1237 | goto end; |
1238 | } | |
1239 | ||
1240 | copy = bt_ctf_field_create(field->type); | |
1241 | if (!copy) { | |
1242 | goto end; | |
1243 | } | |
1244 | ||
70996764 | 1245 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1246 | ret = field_copy_funcs[type_id](field, copy); |
1247 | if (ret) { | |
83509119 | 1248 | bt_put(copy); |
87d43dc1 JG |
1249 | copy = NULL; |
1250 | } | |
1251 | end: | |
1252 | return copy; | |
1253 | } | |
1254 | ||
273b65be JG |
1255 | static |
1256 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1257 | { | |
1258 | struct bt_ctf_field_type_integer *integer_type = container_of(type, | |
1259 | struct bt_ctf_field_type_integer, parent); | |
1260 | struct bt_ctf_field_integer *integer = g_new0( | |
1261 | struct bt_ctf_field_integer, 1); | |
1262 | ||
1263 | if (integer) { | |
1264 | integer->definition.declaration = &integer_type->declaration; | |
1265 | } | |
1266 | ||
1267 | return integer ? &integer->parent : NULL; | |
1268 | } | |
1269 | ||
1270 | static | |
1271 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1272 | struct bt_ctf_field_type *type) | |
1273 | { | |
1274 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1275 | struct bt_ctf_field_enumeration, 1); | |
1276 | ||
1277 | return enumeration ? &enumeration->parent : NULL; | |
1278 | } | |
1279 | ||
1280 | static | |
1281 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1282 | struct bt_ctf_field_type *type) | |
1283 | { | |
1284 | struct bt_ctf_field_floating_point *floating_point; | |
1285 | struct bt_ctf_field_type_floating_point *floating_point_type; | |
1286 | ||
1287 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
1288 | if (!floating_point) { | |
1289 | goto end; | |
1290 | } | |
1291 | ||
1292 | floating_point_type = container_of(type, | |
1293 | struct bt_ctf_field_type_floating_point, parent); | |
1294 | floating_point->definition.declaration = container_of( | |
1295 | type->declaration, struct declaration_float, p); | |
1296 | ||
1297 | ||
1298 | floating_point->definition.sign = &floating_point->sign; | |
1299 | floating_point->sign.declaration = &floating_point_type->sign; | |
1300 | floating_point->definition.sign->p.declaration = | |
1301 | &floating_point_type->sign.p; | |
1302 | ||
1303 | floating_point->definition.mantissa = &floating_point->mantissa; | |
1304 | floating_point->mantissa.declaration = &floating_point_type->mantissa; | |
1305 | floating_point->definition.mantissa->p.declaration = | |
1306 | &floating_point_type->mantissa.p; | |
1307 | ||
1308 | floating_point->definition.exp = &floating_point->exp; | |
1309 | floating_point->exp.declaration = &floating_point_type->exp; | |
1310 | floating_point->definition.exp->p.declaration = | |
1311 | &floating_point_type->exp.p; | |
1312 | ||
1313 | end: | |
1314 | return floating_point ? &floating_point->parent : NULL; | |
1315 | } | |
1316 | ||
1317 | static | |
1318 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1319 | struct bt_ctf_field_type *type) | |
1320 | { | |
1321 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1322 | struct bt_ctf_field_type_structure, parent); | |
1323 | struct bt_ctf_field_structure *structure = g_new0( | |
1324 | struct bt_ctf_field_structure, 1); | |
1325 | struct bt_ctf_field *field = NULL; | |
1326 | ||
8c1aa858 | 1327 | if (!structure) { |
273b65be JG |
1328 | goto end; |
1329 | } | |
1330 | ||
1331 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1332 | structure->fields = g_ptr_array_new_with_free_func( | |
1333 | (GDestroyNotify)bt_ctf_field_put); | |
1334 | g_ptr_array_set_size(structure->fields, | |
1335 | g_hash_table_size(structure->field_name_to_index)); | |
1336 | field = &structure->parent; | |
1337 | end: | |
1338 | return field; | |
1339 | } | |
1340 | ||
1341 | static | |
1342 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1343 | { | |
1344 | struct bt_ctf_field_variant *variant = g_new0( | |
1345 | struct bt_ctf_field_variant, 1); | |
1346 | return variant ? &variant->parent : NULL; | |
1347 | } | |
1348 | ||
1349 | static | |
1350 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1351 | { | |
1352 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1353 | struct bt_ctf_field_type_array *array_type; | |
1354 | unsigned int array_length; | |
1355 | ||
1356 | if (!array || !type) { | |
1357 | goto error; | |
1358 | } | |
1359 | ||
1360 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1361 | array_length = array_type->length; | |
fe0fe95c | 1362 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1363 | if (!array->elements) { |
1364 | goto error; | |
1365 | } | |
1366 | ||
fe0fe95c JG |
1367 | g_ptr_array_set_free_func(array->elements, |
1368 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1369 | g_ptr_array_set_size(array->elements, array_length); |
1370 | return &array->parent; | |
1371 | error: | |
1372 | g_free(array); | |
1373 | return NULL; | |
1374 | } | |
1375 | ||
1376 | static | |
1377 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1378 | struct bt_ctf_field_type *type) | |
1379 | { | |
1380 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1381 | struct bt_ctf_field_sequence, 1); | |
1382 | return sequence ? &sequence->parent : NULL; | |
1383 | } | |
1384 | ||
1385 | static | |
1386 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1387 | { | |
1388 | struct bt_ctf_field_string *string = g_new0( | |
1389 | struct bt_ctf_field_string, 1); | |
1390 | return string ? &string->parent : NULL; | |
1391 | } | |
1392 | ||
1393 | static | |
83509119 | 1394 | void bt_ctf_field_destroy(struct bt_object *obj) |
273b65be JG |
1395 | { |
1396 | struct bt_ctf_field *field; | |
1397 | struct bt_ctf_field_type *type; | |
9a19a512 | 1398 | enum bt_ctf_type_id type_id; |
273b65be | 1399 | |
83509119 | 1400 | field = container_of(obj, struct bt_ctf_field, base); |
273b65be JG |
1401 | type = field->type; |
1402 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
1403 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
1404 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
273b65be JG |
1405 | return; |
1406 | } | |
1407 | ||
1408 | field_destroy_funcs[type_id](field); | |
83509119 | 1409 | bt_put(type); |
273b65be JG |
1410 | } |
1411 | ||
1412 | static | |
1413 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1414 | { | |
1415 | struct bt_ctf_field_integer *integer; | |
1416 | ||
1417 | if (!field) { | |
1418 | return; | |
1419 | } | |
1420 | ||
1421 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1422 | g_free(integer); | |
1423 | } | |
1424 | ||
1425 | static | |
1426 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1427 | { | |
1428 | struct bt_ctf_field_enumeration *enumeration; | |
1429 | ||
1430 | if (!field) { | |
1431 | return; | |
1432 | } | |
1433 | ||
1434 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1435 | parent); | |
83509119 | 1436 | bt_put(enumeration->payload); |
273b65be JG |
1437 | g_free(enumeration); |
1438 | } | |
1439 | ||
1440 | static | |
1441 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1442 | { | |
1443 | struct bt_ctf_field_floating_point *floating_point; | |
1444 | ||
1445 | if (!field) { | |
1446 | return; | |
1447 | } | |
1448 | ||
1449 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1450 | parent); | |
1451 | g_free(floating_point); | |
1452 | } | |
1453 | ||
1454 | static | |
1455 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1456 | { | |
1457 | struct bt_ctf_field_structure *structure; | |
1458 | ||
1459 | if (!field) { | |
1460 | return; | |
1461 | } | |
1462 | ||
1463 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1464 | g_ptr_array_free(structure->fields, TRUE); | |
1465 | g_free(structure); | |
1466 | } | |
1467 | ||
1468 | static | |
1469 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1470 | { | |
1471 | struct bt_ctf_field_variant *variant; | |
1472 | ||
1473 | if (!field) { | |
1474 | return; | |
1475 | } | |
1476 | ||
1477 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
83509119 JG |
1478 | bt_put(variant->tag); |
1479 | bt_put(variant->payload); | |
273b65be JG |
1480 | g_free(variant); |
1481 | } | |
1482 | ||
1483 | static | |
1484 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1485 | { | |
1486 | struct bt_ctf_field_array *array; | |
1487 | ||
1488 | if (!field) { | |
1489 | return; | |
1490 | } | |
1491 | ||
1492 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1493 | g_ptr_array_free(array->elements, TRUE); | |
1494 | g_free(array); | |
1495 | } | |
1496 | ||
1497 | static | |
1498 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1499 | { | |
1500 | struct bt_ctf_field_sequence *sequence; | |
1501 | ||
1502 | if (!field) { | |
1503 | return; | |
1504 | } | |
1505 | ||
1506 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1507 | if (sequence->elements) { |
1508 | g_ptr_array_free(sequence->elements, TRUE); | |
1509 | } | |
83509119 | 1510 | bt_put(sequence->length); |
273b65be JG |
1511 | g_free(sequence); |
1512 | } | |
1513 | ||
1514 | static | |
1515 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1516 | { | |
1517 | struct bt_ctf_field_string *string; | |
1518 | if (!field) { | |
1519 | return; | |
1520 | } | |
1521 | ||
1522 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1523 | if (string->payload) { |
1524 | g_string_free(string->payload, TRUE); | |
1525 | } | |
273b65be JG |
1526 | g_free(string); |
1527 | } | |
1528 | ||
1529 | static | |
1530 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1531 | { | |
da2f6971 | 1532 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1533 | } |
1534 | ||
1535 | static | |
1536 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1537 | { | |
1538 | int ret; | |
1539 | struct bt_ctf_field_enumeration *enumeration; | |
1540 | ||
1541 | if (!field) { | |
1542 | ret = -1; | |
1543 | goto end; | |
1544 | } | |
1545 | ||
1546 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1547 | parent); | |
1548 | if (!enumeration->payload) { | |
1549 | ret = -1; | |
1550 | goto end; | |
1551 | } | |
1552 | ||
1553 | ret = bt_ctf_field_validate(enumeration->payload); | |
1554 | end: | |
1555 | return ret; | |
1556 | } | |
1557 | ||
1558 | static | |
1559 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1560 | { | |
1561 | size_t i; | |
1562 | int ret = 0; | |
1563 | struct bt_ctf_field_structure *structure; | |
1564 | ||
1565 | if (!field) { | |
1566 | ret = -1; | |
1567 | goto end; | |
1568 | } | |
1569 | ||
1570 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1571 | for (i = 0; i < structure->fields->len; i++) { | |
1572 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1573 | if (ret) { | |
1574 | goto end; | |
1575 | } | |
1576 | } | |
1577 | end: | |
1578 | return ret; | |
1579 | } | |
1580 | ||
1581 | static | |
1582 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1583 | { | |
1584 | int ret = 0; | |
1585 | struct bt_ctf_field_variant *variant; | |
1586 | ||
1587 | if (!field) { | |
1588 | ret = -1; | |
1589 | goto end; | |
1590 | } | |
1591 | ||
1592 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1593 | ret = bt_ctf_field_validate(variant->payload); | |
1594 | end: | |
1595 | return ret; | |
1596 | } | |
1597 | ||
1598 | static | |
1599 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1600 | { | |
1601 | size_t i; | |
1602 | int ret = 0; | |
1603 | struct bt_ctf_field_array *array; | |
1604 | ||
1605 | if (!field) { | |
1606 | ret = -1; | |
1607 | goto end; | |
1608 | } | |
1609 | ||
1610 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1611 | for (i = 0; i < array->elements->len; i++) { | |
1612 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1613 | if (ret) { | |
1614 | goto end; | |
1615 | } | |
1616 | } | |
1617 | end: | |
1618 | return ret; | |
1619 | } | |
1620 | ||
1621 | static | |
1622 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1623 | { | |
1624 | size_t i; | |
1625 | int ret = 0; | |
1626 | struct bt_ctf_field_sequence *sequence; | |
1627 | ||
1628 | if (!field) { | |
1629 | ret = -1; | |
1630 | goto end; | |
1631 | } | |
1632 | ||
1633 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1634 | for (i = 0; i < sequence->elements->len; i++) { | |
1635 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1636 | if (ret) { | |
1637 | goto end; | |
1638 | } | |
1639 | } | |
1640 | end: | |
1641 | return ret; | |
1642 | } | |
1643 | ||
12c8a1a3 JG |
1644 | static |
1645 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1646 | { | |
1647 | int ret = 0; | |
1648 | ||
1649 | if (!field) { | |
1650 | ret = -1; | |
1651 | goto end; | |
1652 | } | |
1653 | ||
1654 | field->payload_set = 0; | |
1655 | end: | |
1656 | return ret; | |
1657 | } | |
1658 | ||
1659 | static | |
1660 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1661 | { | |
1662 | int ret = 0; | |
1663 | struct bt_ctf_field_enumeration *enumeration; | |
1664 | ||
1665 | if (!field) { | |
1666 | ret = -1; | |
1667 | goto end; | |
1668 | } | |
1669 | ||
1670 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1671 | parent); | |
1672 | if (!enumeration->payload) { | |
1673 | goto end; | |
1674 | } | |
1675 | ||
1676 | ret = bt_ctf_field_reset(enumeration->payload); | |
1677 | end: | |
1678 | return ret; | |
1679 | } | |
1680 | ||
1681 | static | |
1682 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1683 | { | |
1684 | size_t i; | |
1685 | int ret = 0; | |
1686 | struct bt_ctf_field_structure *structure; | |
1687 | ||
1688 | if (!field) { | |
1689 | ret = -1; | |
1690 | goto end; | |
1691 | } | |
1692 | ||
1693 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1694 | for (i = 0; i < structure->fields->len; i++) { | |
1695 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1696 | ||
1697 | if (!member) { | |
1698 | /* | |
1699 | * Structure members are lazily initialized; skip if | |
1700 | * this member has not been allocated yet. | |
1701 | */ | |
1702 | continue; | |
1703 | } | |
1704 | ||
1705 | ret = bt_ctf_field_reset(member); | |
1706 | if (ret) { | |
1707 | goto end; | |
1708 | } | |
1709 | } | |
1710 | end: | |
1711 | return ret; | |
1712 | } | |
1713 | ||
1714 | static | |
1715 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1716 | { | |
1717 | int ret = 0; | |
1718 | struct bt_ctf_field_variant *variant; | |
1719 | ||
1720 | if (!field) { | |
1721 | ret = -1; | |
1722 | goto end; | |
1723 | } | |
1724 | ||
1725 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1726 | if (variant->payload) { | |
1727 | ret = bt_ctf_field_reset(variant->payload); | |
1728 | } | |
1729 | end: | |
1730 | return ret; | |
1731 | } | |
1732 | ||
1733 | static | |
1734 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1735 | { | |
1736 | size_t i; | |
1737 | int ret = 0; | |
1738 | struct bt_ctf_field_array *array; | |
1739 | ||
1740 | if (!field) { | |
1741 | ret = -1; | |
1742 | goto end; | |
1743 | } | |
1744 | ||
1745 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1746 | for (i = 0; i < array->elements->len; i++) { | |
1747 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1748 | ||
1749 | if (!member) { | |
1750 | /* | |
1751 | * Array elements are lazily initialized; skip if | |
1752 | * this member has not been allocated yet. | |
1753 | */ | |
1754 | continue; | |
1755 | } | |
1756 | ||
1757 | ret = bt_ctf_field_reset(member); | |
1758 | if (ret) { | |
1759 | goto end; | |
1760 | } | |
1761 | } | |
1762 | end: | |
1763 | return ret; | |
1764 | } | |
1765 | ||
1766 | static | |
1767 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1768 | { | |
1769 | size_t i; | |
1770 | int ret = 0; | |
1771 | struct bt_ctf_field_sequence *sequence; | |
1772 | ||
1773 | if (!field) { | |
1774 | ret = -1; | |
1775 | goto end; | |
1776 | } | |
1777 | ||
1778 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1779 | for (i = 0; i < sequence->elements->len; i++) { | |
1780 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1781 | ||
1782 | if (!member) { | |
1783 | /* | |
1784 | * Sequence elements are lazily initialized; skip if | |
1785 | * this member has not been allocated yet. | |
1786 | */ | |
1787 | continue; | |
1788 | } | |
1789 | ||
1790 | ret = bt_ctf_field_reset(member); | |
1791 | if (ret) { | |
1792 | goto end; | |
1793 | } | |
1794 | } | |
1795 | end: | |
1796 | return ret; | |
1797 | } | |
1798 | ||
1799 | static | |
1800 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1801 | { | |
1802 | int ret = 0; | |
1803 | struct bt_ctf_field_string *string; | |
1804 | ||
1805 | if (!field) { | |
1806 | ret = -1; | |
1807 | goto end; | |
1808 | } | |
1809 | ||
1810 | ret = bt_ctf_field_generic_reset(field); | |
1811 | if (ret) { | |
1812 | goto end; | |
1813 | } | |
1814 | ||
1815 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1816 | if (string->payload) { | |
1817 | g_string_truncate(string->payload, 0); | |
1818 | } | |
1819 | end: | |
1820 | return ret; | |
1821 | } | |
1822 | ||
273b65be JG |
1823 | static |
1824 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
1825 | struct ctf_stream_pos *pos) | |
1826 | { | |
1827 | int ret = 0; | |
1828 | struct bt_ctf_field_integer *integer = container_of(field, | |
1829 | struct bt_ctf_field_integer, parent); | |
1830 | ||
1831 | retry: | |
1832 | ret = ctf_integer_write(&pos->parent, &integer->definition.p); | |
1833 | if (ret == -EFAULT) { | |
1834 | /* | |
1835 | * The field is too large to fit in the current packet's | |
1836 | * remaining space. Bump the packet size and retry. | |
1837 | */ | |
1838 | ret = increase_packet_size(pos); | |
1839 | if (ret) { | |
1840 | goto end; | |
1841 | } | |
1842 | goto retry; | |
1843 | } | |
1844 | end: | |
1845 | return ret; | |
1846 | } | |
1847 | ||
1848 | static | |
1849 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
1850 | struct ctf_stream_pos *pos) | |
1851 | { | |
1852 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1853 | field, struct bt_ctf_field_enumeration, parent); | |
1854 | ||
1855 | return bt_ctf_field_serialize(enumeration->payload, pos); | |
1856 | } | |
1857 | ||
1858 | static | |
1859 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
1860 | struct ctf_stream_pos *pos) | |
1861 | { | |
1862 | int ret = 0; | |
1863 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1864 | struct bt_ctf_field_floating_point, parent); | |
1865 | ||
1866 | retry: | |
1867 | ret = ctf_float_write(&pos->parent, &floating_point->definition.p); | |
1868 | if (ret == -EFAULT) { | |
1869 | /* | |
1870 | * The field is too large to fit in the current packet's | |
1871 | * remaining space. Bump the packet size and retry. | |
1872 | */ | |
1873 | ret = increase_packet_size(pos); | |
1874 | if (ret) { | |
1875 | goto end; | |
1876 | } | |
1877 | goto retry; | |
1878 | } | |
1879 | end: | |
1880 | return ret; | |
1881 | } | |
1882 | ||
1883 | static | |
1884 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
1885 | struct ctf_stream_pos *pos) | |
1886 | { | |
1887 | size_t i; | |
1888 | int ret = 0; | |
1889 | struct bt_ctf_field_structure *structure = container_of( | |
1890 | field, struct bt_ctf_field_structure, parent); | |
1891 | ||
1892 | while (!ctf_pos_access_ok(pos, | |
1893 | offset_align(pos->offset, | |
1894 | field->type->declaration->alignment))) { | |
9f56e450 JG |
1895 | ret = increase_packet_size(pos); |
1896 | if (ret) { | |
1897 | goto end; | |
1898 | } | |
273b65be JG |
1899 | } |
1900 | ||
70fd5a51 MD |
1901 | if (!ctf_align_pos(pos, field->type->declaration->alignment)) { |
1902 | ret = -1; | |
1903 | goto end; | |
1904 | } | |
273b65be JG |
1905 | |
1906 | for (i = 0; i < structure->fields->len; i++) { | |
1907 | struct bt_ctf_field *field = g_ptr_array_index( | |
1908 | structure->fields, i); | |
1909 | ||
1910 | ret = bt_ctf_field_serialize(field, pos); | |
1911 | if (ret) { | |
1912 | break; | |
1913 | } | |
1914 | } | |
9f56e450 | 1915 | end: |
273b65be JG |
1916 | return ret; |
1917 | } | |
1918 | ||
1919 | static | |
1920 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
1921 | struct ctf_stream_pos *pos) | |
1922 | { | |
1923 | struct bt_ctf_field_variant *variant = container_of( | |
1924 | field, struct bt_ctf_field_variant, parent); | |
1925 | ||
1926 | return bt_ctf_field_serialize(variant->payload, pos); | |
1927 | } | |
1928 | ||
1929 | static | |
1930 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
1931 | struct ctf_stream_pos *pos) | |
1932 | { | |
1933 | size_t i; | |
1934 | int ret = 0; | |
1935 | struct bt_ctf_field_array *array = container_of( | |
1936 | field, struct bt_ctf_field_array, parent); | |
1937 | ||
1938 | for (i = 0; i < array->elements->len; i++) { | |
1939 | ret = bt_ctf_field_serialize( | |
1940 | g_ptr_array_index(array->elements, i), pos); | |
1941 | if (ret) { | |
1942 | goto end; | |
1943 | } | |
1944 | } | |
1945 | end: | |
1946 | return ret; | |
1947 | } | |
1948 | ||
1949 | static | |
1950 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
1951 | struct ctf_stream_pos *pos) | |
1952 | { | |
1953 | size_t i; | |
1954 | int ret = 0; | |
1955 | struct bt_ctf_field_sequence *sequence = container_of( | |
1956 | field, struct bt_ctf_field_sequence, parent); | |
1957 | ||
1958 | for (i = 0; i < sequence->elements->len; i++) { | |
1959 | ret = bt_ctf_field_serialize( | |
1960 | g_ptr_array_index(sequence->elements, i), pos); | |
1961 | if (ret) { | |
1962 | goto end; | |
1963 | } | |
1964 | } | |
1965 | end: | |
1966 | return ret; | |
1967 | } | |
1968 | ||
1969 | static | |
1970 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
1971 | struct ctf_stream_pos *pos) | |
1972 | { | |
1973 | size_t i; | |
1974 | int ret = 0; | |
1975 | struct bt_ctf_field_string *string = container_of(field, | |
1976 | struct bt_ctf_field_string, parent); | |
1977 | struct bt_ctf_field_type *character_type = | |
1978 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1979 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
1980 | ||
1981 | for (i = 0; i < string->payload->len + 1; i++) { | |
1982 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
1983 | (uint64_t) string->payload->str[i]); | |
1984 | if (ret) { | |
1985 | goto end; | |
1986 | } | |
1987 | ||
1988 | ret = bt_ctf_field_integer_serialize(character, pos); | |
1989 | if (ret) { | |
1990 | goto end; | |
1991 | } | |
1992 | } | |
1993 | end: | |
83509119 JG |
1994 | bt_put(character); |
1995 | bt_put(character_type); | |
273b65be JG |
1996 | return ret; |
1997 | } | |
1998 | ||
87d43dc1 JG |
1999 | static |
2000 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
2001 | struct bt_ctf_field *dst) | |
2002 | { | |
2003 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
2004 | ||
2005 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 2006 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
87d43dc1 JG |
2007 | |
2008 | memcpy(&integer_dst->definition, &integer_src->definition, | |
2009 | sizeof(struct definition_integer)); | |
2010 | return 0; | |
2011 | } | |
2012 | ||
2013 | static | |
2014 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
2015 | struct bt_ctf_field *dst) | |
2016 | { | |
2017 | int ret = 0; | |
2018 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
2019 | ||
2020 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
2021 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
2022 | ||
2023 | if (enum_src->payload) { | |
2024 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
2025 | if (!enum_dst->payload) { | |
2026 | ret = -1; | |
2027 | goto end; | |
2028 | } | |
2029 | } | |
2030 | end: | |
2031 | return ret; | |
2032 | } | |
2033 | ||
2034 | static | |
2035 | int bt_ctf_field_floating_point_copy( | |
2036 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
2037 | { | |
2038 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
2039 | ||
2040 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
2041 | parent); | |
2042 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
2043 | parent); | |
2044 | ||
2045 | memcpy(&float_dst->definition, &float_src->definition, | |
2046 | sizeof(struct definition_float)); | |
2047 | memcpy(&float_dst->sign, &float_src->sign, | |
2048 | sizeof(struct definition_integer)); | |
2049 | memcpy(&float_dst->mantissa, &float_src->mantissa, | |
2050 | sizeof(struct definition_integer)); | |
2051 | memcpy(&float_dst->exp, &float_src->exp, | |
2052 | sizeof(struct definition_integer)); | |
2053 | return 0; | |
2054 | } | |
2055 | ||
2056 | static | |
2057 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
2058 | struct bt_ctf_field *dst) | |
2059 | { | |
8bfa3f9c | 2060 | int ret = 0, i; |
87d43dc1 JG |
2061 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
2062 | ||
2063 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
2064 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
2065 | ||
8bfa3f9c | 2066 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 2067 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 2068 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
2069 | |
2070 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
2071 | struct bt_ctf_field *field = |
2072 | g_ptr_array_index(struct_src->fields, i); | |
2073 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2074 | |
50fd95bf PP |
2075 | if (field) { |
2076 | field_copy = bt_ctf_field_copy(field); | |
2077 | ||
2078 | if (!field_copy) { | |
2079 | ret = -1; | |
2080 | goto end; | |
2081 | } | |
87d43dc1 | 2082 | } |
50fd95bf | 2083 | |
8bfa3f9c | 2084 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
2085 | } |
2086 | end: | |
2087 | return ret; | |
2088 | } | |
2089 | ||
2090 | static | |
2091 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
2092 | struct bt_ctf_field *dst) | |
2093 | { | |
2094 | int ret = 0; | |
2095 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
2096 | ||
2097 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
2098 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
2099 | ||
2100 | if (variant_src->tag) { | |
2101 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
2102 | if (!variant_dst->tag) { | |
2103 | ret = -1; | |
2104 | goto end; | |
2105 | } | |
2106 | } | |
2107 | if (variant_src->payload) { | |
2108 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
2109 | if (!variant_dst->payload) { | |
2110 | ret = -1; | |
2111 | goto end; | |
2112 | } | |
2113 | } | |
2114 | end: | |
2115 | return ret; | |
2116 | } | |
2117 | ||
2118 | static | |
2119 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2120 | struct bt_ctf_field *dst) | |
2121 | { | |
2122 | int ret = 0, i; | |
2123 | struct bt_ctf_field_array *array_src, *array_dst; | |
2124 | ||
2125 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2126 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2127 | ||
8bfa3f9c | 2128 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2129 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2130 | struct bt_ctf_field *field = |
2131 | g_ptr_array_index(array_src->elements, i); | |
2132 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2133 | |
50fd95bf PP |
2134 | if (field) { |
2135 | field_copy = bt_ctf_field_copy(field); | |
2136 | ||
2137 | if (!field_copy) { | |
2138 | ret = -1; | |
2139 | goto end; | |
2140 | } | |
87d43dc1 | 2141 | } |
50fd95bf | 2142 | |
8bfa3f9c | 2143 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2144 | } |
2145 | end: | |
2146 | return ret; | |
2147 | } | |
2148 | ||
2149 | static | |
2150 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2151 | struct bt_ctf_field *dst) | |
2152 | { | |
2153 | int ret = 0, i; | |
2154 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2155 | struct bt_ctf_field *src_length; |
2156 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2157 | |
2158 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2159 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2160 | ||
59ab494d PP |
2161 | src_length = bt_ctf_field_sequence_get_length(src); |
2162 | ||
2163 | if (!src_length) { | |
2164 | /* no length set yet: keep destination sequence empty */ | |
2165 | goto end; | |
2166 | } | |
2167 | ||
2168 | /* copy source length */ | |
2169 | dst_length = bt_ctf_field_copy(src_length); | |
83509119 | 2170 | bt_put(src_length); |
59ab494d PP |
2171 | |
2172 | if (!dst_length) { | |
2173 | ret = -1; | |
2174 | goto end; | |
2175 | } | |
2176 | ||
2177 | /* this will initialize the destination sequence's internal array */ | |
2178 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
83509119 | 2179 | bt_put(dst_length); |
59ab494d PP |
2180 | |
2181 | if (ret) { | |
2182 | goto end; | |
2183 | } | |
2184 | ||
2185 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2186 | ||
87d43dc1 | 2187 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2188 | struct bt_ctf_field *field = |
2189 | g_ptr_array_index(sequence_src->elements, i); | |
2190 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2191 | |
50fd95bf PP |
2192 | if (field) { |
2193 | field_copy = bt_ctf_field_copy(field); | |
2194 | ||
2195 | if (!field_copy) { | |
2196 | ret = -1; | |
2197 | goto end; | |
2198 | } | |
87d43dc1 | 2199 | } |
59ab494d | 2200 | |
8bfa3f9c | 2201 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2202 | } |
2203 | end: | |
2204 | return ret; | |
2205 | } | |
2206 | ||
2207 | static | |
2208 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2209 | struct bt_ctf_field *dst) | |
2210 | { | |
2211 | int ret = 0; | |
2212 | struct bt_ctf_field_string *string_src, *string_dst; | |
2213 | ||
2214 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2215 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2216 | ||
2217 | if (string_src->payload) { | |
2218 | string_dst->payload = g_string_new(string_src->payload->str); | |
2219 | if (!string_dst->payload) { | |
2220 | ret = -1; | |
2221 | goto end; | |
2222 | } | |
2223 | } | |
2224 | end: | |
2225 | return ret; | |
2226 | } | |
2227 | ||
273b65be JG |
2228 | static |
2229 | int increase_packet_size(struct ctf_stream_pos *pos) | |
2230 | { | |
2231 | int ret; | |
2232 | ||
2233 | assert(pos); | |
2234 | ret = munmap_align(pos->base_mma); | |
2235 | if (ret) { | |
2236 | goto end; | |
2237 | } | |
2238 | ||
2239 | pos->packet_size += PACKET_LEN_INCREMENT; | |
d9548894 MD |
2240 | do { |
2241 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
2242 | pos->packet_size / CHAR_BIT); | |
2243 | } while (ret == EINTR); | |
273b65be | 2244 | if (ret) { |
d9548894 MD |
2245 | errno = EINTR; |
2246 | ret = -1; | |
273b65be JG |
2247 | goto end; |
2248 | } | |
2249 | ||
2250 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2251 | pos->flags, pos->fd, pos->mmap_offset); | |
2252 | if (pos->base_mma == MAP_FAILED) { | |
2253 | ret = -1; | |
2254 | } | |
2255 | end: | |
2256 | return ret; | |
2257 | } | |
918be005 PP |
2258 | |
2259 | static | |
2260 | void generic_field_freeze(struct bt_ctf_field *field) | |
2261 | { | |
2262 | field->frozen = 1; | |
2263 | } | |
2264 | ||
2265 | static | |
2266 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *field) | |
2267 | { | |
2268 | struct bt_ctf_field_enumeration *enum_field = | |
2269 | container_of(field, struct bt_ctf_field_enumeration, parent); | |
2270 | ||
2271 | bt_ctf_field_freeze(enum_field->payload); | |
2272 | generic_field_freeze(field); | |
2273 | } | |
2274 | ||
2275 | static | |
2276 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *field) | |
2277 | { | |
2278 | int i; | |
2279 | struct bt_ctf_field_structure *structure_field = | |
2280 | container_of(field, struct bt_ctf_field_structure, parent); | |
2281 | ||
2282 | for (i = 0; i < structure_field->fields->len; i++) { | |
2283 | struct bt_ctf_field *field = | |
2284 | g_ptr_array_index(structure_field->fields, i); | |
2285 | ||
2286 | bt_ctf_field_freeze(field); | |
2287 | } | |
2288 | ||
2289 | generic_field_freeze(field); | |
2290 | } | |
2291 | ||
2292 | static | |
2293 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *field) | |
2294 | { | |
2295 | struct bt_ctf_field_variant *variant_field = | |
2296 | container_of(field, struct bt_ctf_field_variant, parent); | |
2297 | ||
2298 | bt_ctf_field_freeze(variant_field->tag); | |
2299 | bt_ctf_field_freeze(variant_field->payload); | |
2300 | generic_field_freeze(field); | |
2301 | } | |
2302 | ||
2303 | static | |
2304 | void bt_ctf_field_array_freeze(struct bt_ctf_field *field) | |
2305 | { | |
2306 | int i; | |
2307 | struct bt_ctf_field_array *array_field = | |
2308 | container_of(field, struct bt_ctf_field_array, parent); | |
2309 | ||
2310 | for (i = 0; i < array_field->elements->len; i++) { | |
2311 | struct bt_ctf_field *field = | |
2312 | g_ptr_array_index(array_field->elements, i); | |
2313 | ||
2314 | bt_ctf_field_freeze(field); | |
2315 | } | |
2316 | ||
2317 | generic_field_freeze(field); | |
2318 | } | |
2319 | ||
2320 | static | |
2321 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *field) | |
2322 | { | |
2323 | int i; | |
2324 | struct bt_ctf_field_sequence *sequence_field = | |
2325 | container_of(field, struct bt_ctf_field_sequence, parent); | |
2326 | ||
2327 | bt_ctf_field_freeze(sequence_field->length); | |
2328 | ||
2329 | for (i = 0; i < sequence_field->elements->len; i++) { | |
2330 | struct bt_ctf_field *field = | |
2331 | g_ptr_array_index(sequence_field->elements, i); | |
2332 | ||
2333 | bt_ctf_field_freeze(field); | |
2334 | } | |
2335 | ||
2336 | generic_field_freeze(field); | |
2337 | } | |
2338 | ||
2339 | BT_HIDDEN | |
2340 | void bt_ctf_field_freeze(struct bt_ctf_field *field) | |
2341 | { | |
2342 | if (!field) { | |
2343 | goto end; | |
2344 | } | |
2345 | ||
2346 | field_freeze_funcs[bt_ctf_field_get_type_id(field)](field); | |
2347 | ||
2348 | end: | |
2349 | return; | |
2350 | } |