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> | |
dc3fffef | 31 | #include <babeltrace/ctf-writer/serialize-internal.h> |
83509119 JG |
32 | #include <babeltrace/object-internal.h> |
33 | #include <babeltrace/ref.h> | |
273b65be | 34 | #include <babeltrace/compiler.h> |
a323afb2 | 35 | #include <babeltrace/compat/fcntl.h> |
dc3fffef | 36 | #include <babeltrace/align.h> |
273b65be JG |
37 | |
38 | #define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT) | |
39 | ||
40 | static | |
41 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *); | |
42 | static | |
43 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
44 | struct bt_ctf_field_type *); | |
45 | static | |
46 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
47 | struct bt_ctf_field_type *); | |
48 | static | |
49 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
50 | struct bt_ctf_field_type *); | |
51 | static | |
52 | struct bt_ctf_field *bt_ctf_field_variant_create( | |
53 | struct bt_ctf_field_type *); | |
54 | static | |
55 | struct bt_ctf_field *bt_ctf_field_array_create( | |
56 | struct bt_ctf_field_type *); | |
57 | static | |
58 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
59 | struct bt_ctf_field_type *); | |
60 | static | |
61 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *); | |
62 | ||
63 | static | |
83509119 | 64 | void bt_ctf_field_destroy(struct bt_object *); |
273b65be JG |
65 | static |
66 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *); | |
67 | static | |
68 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *); | |
69 | static | |
70 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *); | |
71 | static | |
72 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *); | |
73 | static | |
74 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *); | |
75 | static | |
76 | void bt_ctf_field_array_destroy(struct bt_ctf_field *); | |
77 | static | |
78 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *); | |
79 | static | |
80 | void bt_ctf_field_string_destroy(struct bt_ctf_field *); | |
81 | ||
82 | static | |
ca116246 | 83 | int bt_ctf_field_generic_validate(struct bt_ctf_field *); |
273b65be | 84 | static |
ca116246 | 85 | int bt_ctf_field_structure_validate(struct bt_ctf_field *); |
273b65be | 86 | static |
ca116246 | 87 | int bt_ctf_field_variant_validate(struct bt_ctf_field *); |
273b65be | 88 | static |
ca116246 | 89 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *); |
273b65be | 90 | static |
ca116246 | 91 | int bt_ctf_field_array_validate(struct bt_ctf_field *); |
273b65be | 92 | static |
ca116246 | 93 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *); |
273b65be | 94 | |
12c8a1a3 | 95 | static |
ca116246 | 96 | int bt_ctf_field_generic_reset(struct bt_ctf_field *); |
12c8a1a3 | 97 | static |
ca116246 | 98 | int bt_ctf_field_structure_reset(struct bt_ctf_field *); |
12c8a1a3 | 99 | static |
ca116246 | 100 | int bt_ctf_field_variant_reset(struct bt_ctf_field *); |
12c8a1a3 | 101 | static |
ca116246 | 102 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *); |
12c8a1a3 | 103 | static |
ca116246 | 104 | int bt_ctf_field_array_reset(struct bt_ctf_field *); |
12c8a1a3 | 105 | static |
ca116246 | 106 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *); |
12c8a1a3 | 107 | static |
ca116246 | 108 | int bt_ctf_field_string_reset(struct bt_ctf_field *); |
12c8a1a3 | 109 | |
273b65be JG |
110 | static |
111 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *, | |
dc3fffef | 112 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
113 | static |
114 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *, | |
dc3fffef | 115 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
116 | static |
117 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *, | |
dc3fffef | 118 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
119 | static |
120 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *, | |
dc3fffef | 121 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
122 | static |
123 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *, | |
dc3fffef | 124 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
125 | static |
126 | int bt_ctf_field_array_serialize(struct bt_ctf_field *, | |
dc3fffef | 127 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
128 | static |
129 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *, | |
dc3fffef | 130 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be JG |
131 | static |
132 | int bt_ctf_field_string_serialize(struct bt_ctf_field *, | |
dc3fffef | 133 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order); |
273b65be | 134 | |
87d43dc1 JG |
135 | static |
136 | int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
137 | static | |
138 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
139 | static | |
140 | int bt_ctf_field_floating_point_copy(struct bt_ctf_field *, | |
141 | struct bt_ctf_field *); | |
142 | static | |
143 | int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
144 | static | |
145 | int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
146 | static | |
147 | int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
148 | static | |
149 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
150 | static | |
151 | int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *); | |
152 | ||
918be005 PP |
153 | static |
154 | void generic_field_freeze(struct bt_ctf_field *); | |
155 | static | |
156 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *); | |
157 | static | |
158 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *); | |
159 | static | |
160 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *); | |
161 | static | |
162 | void bt_ctf_field_array_freeze(struct bt_ctf_field *); | |
163 | static | |
164 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *); | |
165 | ||
76f869ab JG |
166 | static |
167 | bool bt_ctf_field_generic_is_set(struct bt_ctf_field *); | |
168 | static | |
169 | bool bt_ctf_field_structure_is_set(struct bt_ctf_field *); | |
170 | static | |
171 | bool bt_ctf_field_variant_is_set(struct bt_ctf_field *); | |
172 | static | |
173 | bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *); | |
174 | static | |
175 | bool bt_ctf_field_array_is_set(struct bt_ctf_field *); | |
176 | static | |
177 | bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *); | |
178 | ||
273b65be | 179 | static |
dc3fffef | 180 | int increase_packet_size(struct bt_ctf_stream_pos *pos); |
273b65be JG |
181 | |
182 | static | |
ce6da4fd | 183 | struct bt_ctf_field *(* const field_create_funcs[])( |
273b65be | 184 | struct bt_ctf_field_type *) = { |
9a19a512 PP |
185 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_create, |
186 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create, | |
187 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 188 | bt_ctf_field_floating_point_create, |
9a19a512 PP |
189 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_create, |
190 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_create, | |
191 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_create, | |
192 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create, | |
193 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_create, | |
273b65be JG |
194 | }; |
195 | ||
196 | static | |
ce6da4fd | 197 | void (* const field_destroy_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
198 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy, |
199 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy, | |
200 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 201 | bt_ctf_field_floating_point_destroy, |
9a19a512 PP |
202 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy, |
203 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy, | |
204 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy, | |
205 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy, | |
206 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_destroy, | |
273b65be JG |
207 | }; |
208 | ||
209 | static | |
ce6da4fd | 210 | int (* const field_validate_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
211 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate, |
212 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate, | |
213 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate, | |
214 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate, | |
215 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate, | |
216 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_validate, | |
217 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate, | |
218 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_validate, | |
273b65be JG |
219 | }; |
220 | ||
12c8a1a3 | 221 | static |
ce6da4fd | 222 | int (* const field_reset_funcs[])(struct bt_ctf_field *) = { |
9a19a512 PP |
223 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset, |
224 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset, | |
225 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset, | |
226 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset, | |
227 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset, | |
228 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_reset, | |
229 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset, | |
230 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_reset, | |
12c8a1a3 JG |
231 | }; |
232 | ||
273b65be | 233 | static |
ce6da4fd | 234 | int (* const field_serialize_funcs[])(struct bt_ctf_field *, |
dc3fffef | 235 | struct bt_ctf_stream_pos *, enum bt_ctf_byte_order) = { |
9a19a512 PP |
236 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize, |
237 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize, | |
238 | [BT_CTF_TYPE_ID_FLOAT] = | |
273b65be | 239 | bt_ctf_field_floating_point_serialize, |
9a19a512 PP |
240 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize, |
241 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize, | |
242 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize, | |
243 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize, | |
244 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_serialize, | |
273b65be JG |
245 | }; |
246 | ||
87d43dc1 | 247 | static |
ce6da4fd JG |
248 | int (* const field_copy_funcs[])(struct bt_ctf_field *, |
249 | struct bt_ctf_field *) = { | |
9a19a512 PP |
250 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy, |
251 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy, | |
252 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy, | |
253 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy, | |
254 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy, | |
255 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_copy, | |
256 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy, | |
257 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_copy, | |
87d43dc1 JG |
258 | }; |
259 | ||
918be005 PP |
260 | static |
261 | void (* const field_freeze_funcs[])(struct bt_ctf_field *) = { | |
262 | [BT_CTF_TYPE_ID_INTEGER] = generic_field_freeze, | |
263 | [BT_CTF_TYPE_ID_FLOAT] = generic_field_freeze, | |
264 | [BT_CTF_TYPE_ID_STRING] = generic_field_freeze, | |
265 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_freeze, | |
266 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_freeze, | |
267 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_freeze, | |
268 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_freeze, | |
269 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_freeze, | |
270 | }; | |
271 | ||
76f869ab JG |
272 | static |
273 | bool (* const field_is_set_funcs[])(struct bt_ctf_field *) = { | |
274 | [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_is_set, | |
275 | [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_is_set, | |
276 | [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_is_set, | |
277 | [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_is_set, | |
278 | [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_is_set, | |
279 | [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_is_set, | |
280 | [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_is_set, | |
281 | [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_is_set, | |
282 | }; | |
283 | ||
273b65be JG |
284 | struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type) |
285 | { | |
286 | struct bt_ctf_field *field = NULL; | |
9a19a512 | 287 | enum bt_ctf_type_id type_id; |
81e36fac | 288 | int ret; |
273b65be JG |
289 | |
290 | if (!type) { | |
291 | goto error; | |
292 | } | |
293 | ||
294 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
295 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
296 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
81e36fac PP |
297 | goto error; |
298 | } | |
299 | ||
300 | /* Field class MUST be valid */ | |
301 | ret = bt_ctf_field_type_validate(type); | |
302 | ||
303 | if (ret) { | |
304 | /* Invalid */ | |
273b65be JG |
305 | goto error; |
306 | } | |
307 | ||
308 | field = field_create_funcs[type_id](type); | |
309 | if (!field) { | |
310 | goto error; | |
311 | } | |
312 | ||
313 | /* The type's declaration can't change after this point */ | |
314 | bt_ctf_field_type_freeze(type); | |
83509119 JG |
315 | bt_get(type); |
316 | bt_object_init(field, bt_ctf_field_destroy); | |
273b65be JG |
317 | field->type = type; |
318 | error: | |
319 | return field; | |
320 | } | |
321 | ||
322 | void bt_ctf_field_get(struct bt_ctf_field *field) | |
323 | { | |
83509119 | 324 | bt_get(field); |
273b65be JG |
325 | } |
326 | ||
327 | void bt_ctf_field_put(struct bt_ctf_field *field) | |
328 | { | |
83509119 | 329 | bt_put(field); |
273b65be JG |
330 | } |
331 | ||
cd95e351 JG |
332 | struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field) |
333 | { | |
334 | struct bt_ctf_field_type *ret = NULL; | |
335 | ||
336 | if (!field) { | |
337 | goto end; | |
338 | } | |
339 | ||
340 | ret = field->type; | |
83509119 | 341 | bt_get(ret); |
cd95e351 JG |
342 | end: |
343 | return ret; | |
344 | } | |
345 | ||
9a19a512 | 346 | enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field) |
4ebcc695 | 347 | { |
9a19a512 | 348 | enum bt_ctf_type_id ret = BT_CTF_TYPE_ID_UNKNOWN; |
4ebcc695 PP |
349 | |
350 | if (!field) { | |
351 | goto end; | |
352 | } | |
353 | ||
354 | ret = bt_ctf_field_type_get_type_id(field->type); | |
355 | end: | |
356 | return ret; | |
357 | } | |
358 | ||
8f3553be PP |
359 | int bt_ctf_field_is_integer(struct bt_ctf_field *field) |
360 | { | |
9a19a512 | 361 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_INTEGER; |
8f3553be PP |
362 | } |
363 | ||
364 | int bt_ctf_field_is_floating_point(struct bt_ctf_field *field) | |
365 | { | |
9a19a512 | 366 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_FLOAT; |
8f3553be PP |
367 | } |
368 | ||
369 | int bt_ctf_field_is_enumeration(struct bt_ctf_field *field) | |
370 | { | |
9a19a512 | 371 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ENUM; |
8f3553be PP |
372 | } |
373 | ||
374 | int bt_ctf_field_is_string(struct bt_ctf_field *field) | |
375 | { | |
9a19a512 | 376 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRING; |
8f3553be PP |
377 | } |
378 | ||
379 | int bt_ctf_field_is_structure(struct bt_ctf_field *field) | |
380 | { | |
9a19a512 | 381 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRUCT; |
8f3553be PP |
382 | } |
383 | ||
384 | int bt_ctf_field_is_array(struct bt_ctf_field *field) | |
385 | { | |
9a19a512 | 386 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ARRAY; |
8f3553be PP |
387 | } |
388 | ||
389 | int bt_ctf_field_is_sequence(struct bt_ctf_field *field) | |
390 | { | |
9a19a512 | 391 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_SEQUENCE; |
8f3553be PP |
392 | } |
393 | ||
394 | int bt_ctf_field_is_variant(struct bt_ctf_field *field) | |
395 | { | |
9a19a512 | 396 | return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_VARIANT; |
8f3553be PP |
397 | } |
398 | ||
cd95e351 JG |
399 | struct bt_ctf_field *bt_ctf_field_sequence_get_length( |
400 | struct bt_ctf_field *field) | |
401 | { | |
402 | struct bt_ctf_field *ret = NULL; | |
403 | struct bt_ctf_field_sequence *sequence; | |
404 | ||
405 | if (!field) { | |
406 | goto end; | |
407 | } | |
408 | ||
409 | if (bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 410 | BT_CTF_TYPE_ID_SEQUENCE) { |
cd95e351 JG |
411 | goto end; |
412 | } | |
413 | ||
414 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
415 | ret = sequence->length; | |
83509119 | 416 | bt_get(ret); |
cd95e351 JG |
417 | end: |
418 | return ret; | |
419 | } | |
420 | ||
273b65be JG |
421 | int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field, |
422 | struct bt_ctf_field *length_field) | |
423 | { | |
424 | int ret = 0; | |
425 | struct bt_ctf_field_type_integer *length_type; | |
426 | struct bt_ctf_field_integer *length; | |
427 | struct bt_ctf_field_sequence *sequence; | |
428 | uint64_t sequence_length; | |
429 | ||
918be005 | 430 | if (!field || !length_field || field->frozen) { |
273b65be JG |
431 | ret = -1; |
432 | goto end; | |
433 | } | |
434 | if (bt_ctf_field_type_get_type_id(length_field->type) != | |
9a19a512 | 435 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
436 | ret = -1; |
437 | goto end; | |
438 | } | |
439 | ||
440 | length_type = container_of(length_field->type, | |
441 | struct bt_ctf_field_type_integer, parent); | |
152e7331 | 442 | /* The length field must be unsigned */ |
dc3fffef | 443 | if (length_type->is_signed) { |
273b65be JG |
444 | ret = -1; |
445 | goto end; | |
446 | } | |
447 | ||
448 | length = container_of(length_field, struct bt_ctf_field_integer, | |
449 | parent); | |
dc3fffef | 450 | sequence_length = length->payload.unsignd; |
273b65be JG |
451 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); |
452 | if (sequence->elements) { | |
453 | g_ptr_array_free(sequence->elements, TRUE); | |
83509119 | 454 | bt_put(sequence->length); |
273b65be JG |
455 | } |
456 | ||
fe0fe95c | 457 | sequence->elements = g_ptr_array_sized_new((size_t)sequence_length); |
273b65be JG |
458 | if (!sequence->elements) { |
459 | ret = -1; | |
460 | goto end; | |
461 | } | |
462 | ||
fe0fe95c | 463 | g_ptr_array_set_free_func(sequence->elements, |
83509119 JG |
464 | (GDestroyNotify) bt_put); |
465 | g_ptr_array_set_size(sequence->elements, (size_t) sequence_length); | |
466 | bt_get(length_field); | |
273b65be JG |
467 | sequence->length = length_field; |
468 | end: | |
469 | return ret; | |
470 | } | |
471 | ||
472 | struct bt_ctf_field *bt_ctf_field_structure_get_field( | |
473 | struct bt_ctf_field *field, const char *name) | |
474 | { | |
475 | struct bt_ctf_field *new_field = NULL; | |
476 | GQuark field_quark; | |
477 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 478 | struct bt_ctf_field_type *field_type = NULL; |
273b65be JG |
479 | size_t index; |
480 | ||
481 | if (!field || !name || | |
482 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 483 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
484 | goto error; |
485 | } | |
486 | ||
487 | field_quark = g_quark_from_string(name); | |
488 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
489 | field_type = |
490 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
491 | name); | |
273b65be JG |
492 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
493 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) { | |
494 | goto error; | |
495 | } | |
496 | ||
497 | if (structure->fields->pdata[index]) { | |
498 | new_field = structure->fields->pdata[index]; | |
499 | goto end; | |
500 | } | |
501 | ||
918be005 PP |
502 | /* We don't want to modify this field if it's frozen */ |
503 | if (field->frozen) { | |
504 | goto end; | |
505 | } | |
506 | ||
273b65be JG |
507 | new_field = bt_ctf_field_create(field_type); |
508 | if (!new_field) { | |
509 | goto error; | |
510 | } | |
511 | ||
512 | structure->fields->pdata[index] = new_field; | |
513 | end: | |
83509119 | 514 | bt_get(new_field); |
273b65be | 515 | error: |
b92ddaaa | 516 | if (field_type) { |
83509119 | 517 | bt_put(field_type); |
b92ddaaa | 518 | } |
273b65be JG |
519 | return new_field; |
520 | } | |
521 | ||
cd95e351 | 522 | struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index( |
074ee56d | 523 | struct bt_ctf_field *field, int index) |
cd95e351 JG |
524 | { |
525 | int ret; | |
526 | const char *field_name; | |
527 | struct bt_ctf_field_structure *structure; | |
528 | struct bt_ctf_field_type *structure_type; | |
529 | struct bt_ctf_field_type *field_type = NULL; | |
530 | struct bt_ctf_field *ret_field = NULL; | |
531 | ||
532 | if (!field || | |
9a19a512 PP |
533 | bt_ctf_field_type_get_type_id(field->type) != |
534 | BT_CTF_TYPE_ID_STRUCT) { | |
cd95e351 JG |
535 | goto end; |
536 | } | |
537 | ||
538 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
539 | if (index >= structure->fields->len) { | |
540 | goto error; | |
541 | } | |
542 | ||
543 | ret_field = structure->fields->pdata[index]; | |
544 | if (ret_field) { | |
545 | goto end; | |
546 | } | |
547 | ||
918be005 PP |
548 | /* We don't want to modify this field if it's frozen */ |
549 | if (field->frozen) { | |
550 | goto end; | |
551 | } | |
552 | ||
cd95e351 JG |
553 | /* Field has not been instanciated yet, create it */ |
554 | structure_type = bt_ctf_field_get_type(field); | |
555 | if (!structure_type) { | |
556 | goto error; | |
557 | } | |
558 | ||
559 | ret = bt_ctf_field_type_structure_get_field(structure_type, | |
560 | &field_name, &field_type, index); | |
83509119 | 561 | bt_put(structure_type); |
cd95e351 JG |
562 | if (ret) { |
563 | goto error; | |
564 | } | |
565 | ||
566 | ret_field = bt_ctf_field_create(field_type); | |
567 | if (!ret_field) { | |
568 | goto error; | |
569 | } | |
570 | ||
571 | structure->fields->pdata[index] = ret_field; | |
572 | end: | |
83509119 | 573 | bt_get(ret_field); |
cd95e351 | 574 | error: |
83509119 | 575 | bt_put(field_type); |
cd95e351 JG |
576 | return ret_field; |
577 | } | |
578 | ||
273b65be JG |
579 | BT_HIDDEN |
580 | int bt_ctf_field_structure_set_field(struct bt_ctf_field *field, | |
581 | const char *name, struct bt_ctf_field *value) | |
582 | { | |
583 | int ret = 0; | |
584 | GQuark field_quark; | |
585 | struct bt_ctf_field_structure *structure; | |
b92ddaaa | 586 | struct bt_ctf_field_type *expected_field_type = NULL; |
273b65be JG |
587 | size_t index; |
588 | ||
918be005 | 589 | if (!field || !name || !value || field->frozen || |
273b65be | 590 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 591 | BT_CTF_TYPE_ID_STRUCT) { |
273b65be JG |
592 | ret = -1; |
593 | goto end; | |
594 | } | |
595 | ||
596 | field_quark = g_quark_from_string(name); | |
597 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
b92ddaaa JG |
598 | expected_field_type = |
599 | bt_ctf_field_type_structure_get_field_type_by_name(field->type, | |
600 | name); | |
09840de5 PP |
601 | |
602 | if (bt_ctf_field_type_compare(expected_field_type, value->type)) { | |
273b65be JG |
603 | ret = -1; |
604 | goto end; | |
605 | } | |
606 | ||
607 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, | |
608 | GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) { | |
609 | goto end; | |
610 | } | |
611 | ||
612 | if (structure->fields->pdata[index]) { | |
83509119 | 613 | bt_put(structure->fields->pdata[index]); |
273b65be JG |
614 | } |
615 | ||
616 | structure->fields->pdata[index] = value; | |
83509119 | 617 | bt_get(value); |
273b65be | 618 | end: |
b92ddaaa | 619 | if (expected_field_type) { |
83509119 | 620 | bt_put(expected_field_type); |
b92ddaaa | 621 | } |
273b65be JG |
622 | return ret; |
623 | } | |
624 | ||
625 | struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field, | |
626 | uint64_t index) | |
627 | { | |
628 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 629 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 630 | struct bt_ctf_field_array *array; |
273b65be JG |
631 | |
632 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 633 | BT_CTF_TYPE_ID_ARRAY) { |
273b65be JG |
634 | goto end; |
635 | } | |
636 | ||
637 | array = container_of(field, struct bt_ctf_field_array, parent); | |
638 | if (index >= array->elements->len) { | |
639 | goto end; | |
640 | } | |
641 | ||
b92ddaaa | 642 | field_type = bt_ctf_field_type_array_get_element_type(field->type); |
273b65be JG |
643 | if (array->elements->pdata[(size_t)index]) { |
644 | new_field = array->elements->pdata[(size_t)index]; | |
645 | goto end; | |
646 | } | |
647 | ||
918be005 PP |
648 | /* We don't want to modify this field if it's frozen */ |
649 | if (field->frozen) { | |
650 | goto end; | |
651 | } | |
652 | ||
273b65be | 653 | new_field = bt_ctf_field_create(field_type); |
273b65be JG |
654 | array->elements->pdata[(size_t)index] = new_field; |
655 | end: | |
b92ddaaa | 656 | if (field_type) { |
83509119 | 657 | bt_put(field_type); |
b92ddaaa | 658 | } |
92c8b4f9 | 659 | if (new_field) { |
83509119 | 660 | bt_get(new_field); |
92c8b4f9 | 661 | } |
273b65be JG |
662 | return new_field; |
663 | } | |
664 | ||
665 | struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field, | |
666 | uint64_t index) | |
667 | { | |
668 | struct bt_ctf_field *new_field = NULL; | |
b92ddaaa | 669 | struct bt_ctf_field_type *field_type = NULL; |
273b65be | 670 | struct bt_ctf_field_sequence *sequence; |
273b65be JG |
671 | |
672 | if (!field || bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 673 | BT_CTF_TYPE_ID_SEQUENCE) { |
273b65be JG |
674 | goto end; |
675 | } | |
676 | ||
677 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
678 | if (!sequence->elements || sequence->elements->len <= index) { | |
679 | goto end; | |
680 | } | |
681 | ||
b92ddaaa | 682 | field_type = bt_ctf_field_type_sequence_get_element_type(field->type); |
83509119 JG |
683 | if (sequence->elements->pdata[(size_t) index]) { |
684 | new_field = sequence->elements->pdata[(size_t) index]; | |
273b65be JG |
685 | goto end; |
686 | } | |
687 | ||
918be005 PP |
688 | /* We don't want to modify this field if it's frozen */ |
689 | if (field->frozen) { | |
690 | goto end; | |
691 | } | |
692 | ||
273b65be | 693 | new_field = bt_ctf_field_create(field_type); |
83509119 | 694 | sequence->elements->pdata[(size_t) index] = new_field; |
273b65be | 695 | end: |
b92ddaaa | 696 | if (field_type) { |
83509119 | 697 | bt_put(field_type); |
b92ddaaa | 698 | } |
92c8b4f9 | 699 | if (new_field) { |
83509119 | 700 | bt_get(new_field); |
92c8b4f9 | 701 | } |
273b65be JG |
702 | return new_field; |
703 | } | |
704 | ||
705 | struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field, | |
706 | struct bt_ctf_field *tag_field) | |
707 | { | |
708 | struct bt_ctf_field *new_field = NULL; | |
709 | struct bt_ctf_field_variant *variant; | |
710 | struct bt_ctf_field_type_variant *variant_type; | |
711 | struct bt_ctf_field_type *field_type; | |
712 | struct bt_ctf_field *tag_enum = NULL; | |
713 | struct bt_ctf_field_integer *tag_enum_integer; | |
714 | int64_t tag_enum_value; | |
715 | ||
716 | if (!field || !tag_field || | |
717 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 718 | BT_CTF_TYPE_ID_VARIANT || |
273b65be | 719 | bt_ctf_field_type_get_type_id(tag_field->type) != |
9a19a512 | 720 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
721 | goto end; |
722 | } | |
723 | ||
724 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
725 | variant_type = container_of(field->type, | |
726 | struct bt_ctf_field_type_variant, parent); | |
727 | tag_enum = bt_ctf_field_enumeration_get_container(tag_field); | |
728 | if (!tag_enum) { | |
729 | goto end; | |
730 | } | |
731 | ||
732 | tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer, | |
733 | parent); | |
734 | ||
2c661a4d | 735 | if (bt_ctf_field_validate(tag_field) < 0) { |
273b65be JG |
736 | goto end; |
737 | } | |
738 | ||
dc3fffef | 739 | tag_enum_value = tag_enum_integer->payload.signd; |
2829190c PP |
740 | |
741 | /* | |
742 | * If the variant currently has a tag and a payload, and if the | |
743 | * requested tag value is the same as the current one, return | |
744 | * the current payload instead of creating a fresh one. | |
745 | */ | |
746 | if (variant->tag && variant->payload) { | |
747 | struct bt_ctf_field *cur_tag_container = NULL; | |
748 | struct bt_ctf_field_integer *cur_tag_enum_integer; | |
749 | int64_t cur_tag_value; | |
750 | ||
751 | cur_tag_container = | |
752 | bt_ctf_field_enumeration_get_container(variant->tag); | |
9a5df386 | 753 | assert(cur_tag_container); |
2829190c PP |
754 | cur_tag_enum_integer = container_of(cur_tag_container, |
755 | struct bt_ctf_field_integer, parent); | |
83509119 | 756 | bt_put(cur_tag_container); |
dc3fffef | 757 | cur_tag_value = cur_tag_enum_integer->payload.signd; |
2829190c PP |
758 | |
759 | if (cur_tag_value == tag_enum_value) { | |
760 | new_field = variant->payload; | |
83509119 | 761 | bt_get(new_field); |
2829190c PP |
762 | goto end; |
763 | } | |
764 | } | |
765 | ||
918be005 PP |
766 | /* We don't want to modify this field if it's frozen */ |
767 | if (field->frozen) { | |
768 | goto end; | |
769 | } | |
770 | ||
b92ddaaa JG |
771 | field_type = bt_ctf_field_type_variant_get_field_type_signed( |
772 | variant_type, tag_enum_value); | |
273b65be JG |
773 | if (!field_type) { |
774 | goto end; | |
775 | } | |
776 | ||
777 | new_field = bt_ctf_field_create(field_type); | |
778 | if (!new_field) { | |
779 | goto end; | |
780 | } | |
781 | ||
83509119 JG |
782 | bt_put(variant->tag); |
783 | bt_put(variant->payload); | |
784 | bt_get(new_field); | |
785 | bt_get(tag_field); | |
273b65be JG |
786 | variant->tag = tag_field; |
787 | variant->payload = new_field; | |
788 | end: | |
83509119 | 789 | bt_put(tag_enum); |
273b65be JG |
790 | return new_field; |
791 | } | |
792 | ||
3f4a108d PP |
793 | struct bt_ctf_field *bt_ctf_field_variant_get_current_field( |
794 | struct bt_ctf_field *variant_field) | |
795 | { | |
796 | struct bt_ctf_field *current_field = NULL; | |
797 | struct bt_ctf_field_variant *variant; | |
798 | ||
799 | if (!variant_field || | |
800 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
9a19a512 | 801 | BT_CTF_TYPE_ID_VARIANT) { |
3f4a108d PP |
802 | goto end; |
803 | } | |
804 | ||
805 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
806 | parent); | |
807 | ||
808 | if (variant->payload) { | |
809 | current_field = variant->payload; | |
83509119 | 810 | bt_get(current_field); |
3f4a108d PP |
811 | goto end; |
812 | } | |
813 | ||
814 | end: | |
815 | return current_field; | |
816 | } | |
817 | ||
f78d67fb JG |
818 | struct bt_ctf_field *bt_ctf_field_variant_get_tag( |
819 | struct bt_ctf_field *variant_field) | |
820 | { | |
821 | struct bt_ctf_field *tag = NULL; | |
822 | struct bt_ctf_field_variant *variant; | |
823 | ||
824 | if (!variant_field || | |
825 | bt_ctf_field_type_get_type_id(variant_field->type) != | |
826 | BT_CTF_TYPE_ID_VARIANT) { | |
827 | goto end; | |
828 | } | |
829 | ||
830 | variant = container_of(variant_field, struct bt_ctf_field_variant, | |
831 | parent); | |
832 | if (variant->tag) { | |
833 | tag = bt_get(variant->tag); | |
834 | } | |
835 | end: | |
836 | return tag; | |
837 | } | |
838 | ||
273b65be JG |
839 | struct bt_ctf_field *bt_ctf_field_enumeration_get_container( |
840 | struct bt_ctf_field *field) | |
841 | { | |
842 | struct bt_ctf_field *container = NULL; | |
843 | struct bt_ctf_field_enumeration *enumeration; | |
844 | ||
b92ddaaa | 845 | if (!field || bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 846 | BT_CTF_TYPE_ID_ENUM) { |
273b65be JG |
847 | goto end; |
848 | } | |
849 | ||
850 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
851 | parent); | |
852 | if (!enumeration->payload) { | |
918be005 PP |
853 | /* We don't want to modify this field if it's frozen */ |
854 | if (field->frozen) { | |
855 | goto end; | |
856 | } | |
857 | ||
273b65be JG |
858 | struct bt_ctf_field_type_enumeration *enumeration_type = |
859 | container_of(field->type, | |
860 | struct bt_ctf_field_type_enumeration, parent); | |
861 | enumeration->payload = | |
862 | bt_ctf_field_create(enumeration_type->container); | |
863 | } | |
864 | ||
865 | container = enumeration->payload; | |
83509119 | 866 | bt_get(container); |
273b65be JG |
867 | end: |
868 | return container; | |
869 | } | |
870 | ||
e0f15669 JG |
871 | struct bt_ctf_field_type_enumeration_mapping_iterator * |
872 | bt_ctf_field_enumeration_get_mappings(struct bt_ctf_field *field) | |
cd95e351 JG |
873 | { |
874 | int ret; | |
cd95e351 JG |
875 | struct bt_ctf_field *container = NULL; |
876 | struct bt_ctf_field_type *container_type = NULL; | |
877 | struct bt_ctf_field_type_integer *integer_type = NULL; | |
96e8f959 | 878 | struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL; |
cd95e351 JG |
879 | |
880 | container = bt_ctf_field_enumeration_get_container(field); | |
881 | if (!container) { | |
882 | goto end; | |
883 | } | |
884 | ||
885 | container_type = bt_ctf_field_get_type(container); | |
886 | if (!container_type) { | |
887 | goto error_put_container; | |
888 | } | |
889 | ||
890 | integer_type = container_of(container_type, | |
891 | struct bt_ctf_field_type_integer, parent); | |
cd95e351 | 892 | |
dc3fffef | 893 | if (!integer_type->is_signed) { |
cd95e351 | 894 | uint64_t value; |
96e8f959 | 895 | |
cd95e351 JG |
896 | ret = bt_ctf_field_unsigned_integer_get_value(container, |
897 | &value); | |
898 | if (ret) { | |
899 | goto error_put_container_type; | |
900 | } | |
96e8f959 MD |
901 | iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value( |
902 | field->type, value); | |
cd95e351 JG |
903 | } else { |
904 | int64_t value; | |
96e8f959 | 905 | |
cd95e351 JG |
906 | ret = bt_ctf_field_signed_integer_get_value(container, |
907 | &value); | |
908 | if (ret) { | |
909 | goto error_put_container_type; | |
910 | } | |
96e8f959 MD |
911 | iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value( |
912 | field->type, value); | |
cd95e351 JG |
913 | } |
914 | ||
915 | error_put_container_type: | |
83509119 | 916 | bt_put(container_type); |
cd95e351 | 917 | error_put_container: |
83509119 | 918 | bt_put(container); |
cd95e351 | 919 | end: |
e0f15669 | 920 | return iter; |
cd95e351 JG |
921 | } |
922 | ||
923 | int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field, | |
924 | int64_t *value) | |
925 | { | |
926 | int ret = 0; | |
927 | struct bt_ctf_field_integer *integer; | |
928 | struct bt_ctf_field_type_integer *integer_type; | |
929 | ||
930 | if (!field || !value || !field->payload_set || | |
931 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 932 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
933 | ret = -1; |
934 | goto end; | |
935 | } | |
936 | ||
937 | integer_type = container_of(field->type, | |
938 | struct bt_ctf_field_type_integer, parent); | |
dc3fffef | 939 | if (!integer_type->is_signed) { |
cd95e351 JG |
940 | ret = -1; |
941 | goto end; | |
942 | } | |
943 | ||
944 | integer = container_of(field, | |
945 | struct bt_ctf_field_integer, parent); | |
dc3fffef | 946 | *value = integer->payload.signd; |
cd95e351 JG |
947 | end: |
948 | return ret; | |
949 | } | |
950 | ||
273b65be JG |
951 | int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field, |
952 | int64_t value) | |
953 | { | |
954 | int ret = 0; | |
955 | struct bt_ctf_field_integer *integer; | |
956 | struct bt_ctf_field_type_integer *integer_type; | |
957 | unsigned int size; | |
958 | int64_t min_value, max_value; | |
959 | ||
918be005 | 960 | if (!field || field->frozen || |
273b65be | 961 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 962 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
963 | ret = -1; |
964 | goto end; | |
965 | } | |
966 | ||
967 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
968 | integer_type = container_of(field->type, | |
969 | struct bt_ctf_field_type_integer, parent); | |
dc3fffef | 970 | if (!integer_type->is_signed) { |
273b65be JG |
971 | ret = -1; |
972 | goto end; | |
973 | } | |
974 | ||
dc3fffef | 975 | size = integer_type->size; |
9dc0d640 JG |
976 | min_value = -(1ULL << (size - 1)); |
977 | max_value = (1ULL << (size - 1)) - 1; | |
273b65be JG |
978 | if (value < min_value || value > max_value) { |
979 | ret = -1; | |
980 | goto end; | |
981 | } | |
982 | ||
dc3fffef | 983 | integer->payload.signd = value; |
273b65be JG |
984 | integer->parent.payload_set = 1; |
985 | end: | |
986 | return ret; | |
987 | } | |
988 | ||
cd95e351 JG |
989 | int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field, |
990 | uint64_t *value) | |
991 | { | |
992 | int ret = 0; | |
993 | struct bt_ctf_field_integer *integer; | |
994 | struct bt_ctf_field_type_integer *integer_type; | |
995 | ||
996 | if (!field || !value || !field->payload_set || | |
997 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 998 | BT_CTF_TYPE_ID_INTEGER) { |
cd95e351 JG |
999 | ret = -1; |
1000 | goto end; | |
1001 | } | |
1002 | ||
1003 | integer_type = container_of(field->type, | |
1004 | struct bt_ctf_field_type_integer, parent); | |
dc3fffef | 1005 | if (integer_type->is_signed) { |
cd95e351 JG |
1006 | ret = -1; |
1007 | goto end; | |
1008 | } | |
1009 | ||
1010 | integer = container_of(field, | |
1011 | struct bt_ctf_field_integer, parent); | |
dc3fffef | 1012 | *value = integer->payload.unsignd; |
cd95e351 JG |
1013 | end: |
1014 | return ret; | |
1015 | } | |
1016 | ||
273b65be JG |
1017 | int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field, |
1018 | uint64_t value) | |
1019 | { | |
1020 | int ret = 0; | |
1021 | struct bt_ctf_field_integer *integer; | |
1022 | struct bt_ctf_field_type_integer *integer_type; | |
1023 | unsigned int size; | |
1024 | uint64_t max_value; | |
1025 | ||
918be005 | 1026 | if (!field || field->frozen || |
273b65be | 1027 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1028 | BT_CTF_TYPE_ID_INTEGER) { |
273b65be JG |
1029 | ret = -1; |
1030 | goto end; | |
1031 | } | |
1032 | ||
1033 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1034 | integer_type = container_of(field->type, | |
1035 | struct bt_ctf_field_type_integer, parent); | |
dc3fffef | 1036 | if (integer_type->is_signed) { |
273b65be JG |
1037 | ret = -1; |
1038 | goto end; | |
1039 | } | |
1040 | ||
dc3fffef | 1041 | size = integer_type->size; |
8684abc8 | 1042 | max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1; |
273b65be JG |
1043 | if (value > max_value) { |
1044 | ret = -1; | |
1045 | goto end; | |
1046 | } | |
1047 | ||
dc3fffef | 1048 | integer->payload.unsignd = value; |
273b65be JG |
1049 | integer->parent.payload_set = 1; |
1050 | end: | |
1051 | return ret; | |
1052 | } | |
1053 | ||
cd95e351 JG |
1054 | int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field, |
1055 | double *value) | |
1056 | { | |
1057 | int ret = 0; | |
1058 | struct bt_ctf_field_floating_point *floating_point; | |
1059 | ||
1060 | if (!field || !value || !field->payload_set || | |
1061 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1062 | BT_CTF_TYPE_ID_FLOAT) { |
cd95e351 JG |
1063 | ret = -1; |
1064 | goto end; | |
1065 | } | |
1066 | ||
1067 | floating_point = container_of(field, | |
1068 | struct bt_ctf_field_floating_point, parent); | |
dc3fffef | 1069 | *value = floating_point->payload; |
cd95e351 JG |
1070 | end: |
1071 | return ret; | |
1072 | } | |
1073 | ||
273b65be JG |
1074 | int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field, |
1075 | double value) | |
1076 | { | |
1077 | int ret = 0; | |
1078 | struct bt_ctf_field_floating_point *floating_point; | |
1079 | ||
918be005 | 1080 | if (!field || field->frozen || |
273b65be | 1081 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1082 | BT_CTF_TYPE_ID_FLOAT) { |
273b65be JG |
1083 | ret = -1; |
1084 | goto end; | |
1085 | } | |
1086 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1087 | parent); | |
dc3fffef | 1088 | floating_point->payload = value; |
273b65be JG |
1089 | floating_point->parent.payload_set = 1; |
1090 | end: | |
1091 | return ret; | |
1092 | } | |
1093 | ||
cd95e351 JG |
1094 | const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field) |
1095 | { | |
1096 | const char *ret = NULL; | |
1097 | struct bt_ctf_field_string *string; | |
1098 | ||
1099 | if (!field || !field->payload_set || | |
1100 | bt_ctf_field_type_get_type_id(field->type) != | |
9a19a512 | 1101 | BT_CTF_TYPE_ID_STRING) { |
cd95e351 JG |
1102 | goto end; |
1103 | } | |
1104 | ||
1105 | string = container_of(field, | |
1106 | struct bt_ctf_field_string, parent); | |
1107 | ret = string->payload->str; | |
1108 | end: | |
1109 | return ret; | |
1110 | } | |
1111 | ||
273b65be JG |
1112 | int bt_ctf_field_string_set_value(struct bt_ctf_field *field, |
1113 | const char *value) | |
1114 | { | |
1115 | int ret = 0; | |
1116 | struct bt_ctf_field_string *string; | |
1117 | ||
918be005 | 1118 | if (!field || !value || field->frozen || |
273b65be | 1119 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1120 | BT_CTF_TYPE_ID_STRING) { |
273b65be JG |
1121 | ret = -1; |
1122 | goto end; | |
1123 | } | |
1124 | ||
1125 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1126 | if (string->payload) { | |
97736814 JG |
1127 | g_string_assign(string->payload, value); |
1128 | } else { | |
1129 | string->payload = g_string_new(value); | |
273b65be JG |
1130 | } |
1131 | ||
273b65be JG |
1132 | string->parent.payload_set = 1; |
1133 | end: | |
1134 | return ret; | |
1135 | } | |
1136 | ||
c6f9c5a3 PP |
1137 | int bt_ctf_field_string_append(struct bt_ctf_field *field, |
1138 | const char *value) | |
1139 | { | |
1140 | int ret = 0; | |
1141 | struct bt_ctf_field_string *string_field; | |
1142 | ||
918be005 | 1143 | if (!field || !value || field->frozen || |
c6f9c5a3 | 1144 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1145 | BT_CTF_TYPE_ID_STRING) { |
c6f9c5a3 PP |
1146 | ret = -1; |
1147 | goto end; | |
1148 | } | |
1149 | ||
1150 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1151 | ||
1152 | if (string_field->payload) { | |
1153 | g_string_append(string_field->payload, value); | |
1154 | } else { | |
1155 | string_field->payload = g_string_new(value); | |
1156 | } | |
1157 | ||
1158 | string_field->parent.payload_set = 1; | |
1159 | ||
1160 | end: | |
1161 | return ret; | |
1162 | } | |
1163 | ||
f98c6554 PP |
1164 | int bt_ctf_field_string_append_len(struct bt_ctf_field *field, |
1165 | const char *value, unsigned int length) | |
1166 | { | |
1167 | int i; | |
1168 | int ret = 0; | |
1169 | unsigned int effective_length = length; | |
1170 | struct bt_ctf_field_string *string_field; | |
1171 | ||
918be005 | 1172 | if (!field || !value || field->frozen || |
f98c6554 | 1173 | bt_ctf_field_type_get_type_id(field->type) != |
9a19a512 | 1174 | BT_CTF_TYPE_ID_STRING) { |
f98c6554 PP |
1175 | ret = -1; |
1176 | goto end; | |
1177 | } | |
1178 | ||
1179 | string_field = container_of(field, struct bt_ctf_field_string, parent); | |
1180 | ||
1181 | /* make sure no null bytes are appended */ | |
1182 | for (i = 0; i < length; ++i) { | |
1183 | if (value[i] == '\0') { | |
1184 | effective_length = i; | |
1185 | break; | |
1186 | } | |
1187 | } | |
1188 | ||
1189 | if (string_field->payload) { | |
ce6d5230 | 1190 | g_string_append_len(string_field->payload, value, |
f98c6554 PP |
1191 | effective_length); |
1192 | } else { | |
1193 | string_field->payload = g_string_new_len(value, | |
1194 | effective_length); | |
1195 | } | |
1196 | ||
1197 | string_field->parent.payload_set = 1; | |
1198 | ||
1199 | end: | |
1200 | return ret; | |
1201 | } | |
1202 | ||
273b65be JG |
1203 | BT_HIDDEN |
1204 | int bt_ctf_field_validate(struct bt_ctf_field *field) | |
1205 | { | |
1206 | int ret = 0; | |
9a19a512 | 1207 | enum bt_ctf_type_id type_id; |
273b65be JG |
1208 | |
1209 | if (!field) { | |
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_validate_funcs[type_id](field); | |
1221 | end: | |
1222 | return ret; | |
1223 | } | |
1224 | ||
12c8a1a3 JG |
1225 | BT_HIDDEN |
1226 | int bt_ctf_field_reset(struct bt_ctf_field *field) | |
1227 | { | |
1228 | int ret = 0; | |
9a19a512 | 1229 | enum bt_ctf_type_id type_id; |
12c8a1a3 JG |
1230 | |
1231 | if (!field) { | |
1232 | ret = -1; | |
1233 | goto end; | |
1234 | } | |
1235 | ||
1236 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1237 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
12c8a1a3 JG |
1238 | ret = -1; |
1239 | goto end; | |
1240 | } | |
1241 | ||
1242 | ret = field_reset_funcs[type_id](field); | |
1243 | end: | |
1244 | return ret; | |
1245 | } | |
1246 | ||
273b65be JG |
1247 | BT_HIDDEN |
1248 | int bt_ctf_field_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
1249 | struct bt_ctf_stream_pos *pos, |
1250 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
1251 | { |
1252 | int ret = 0; | |
9a19a512 | 1253 | enum bt_ctf_type_id type_id; |
273b65be JG |
1254 | |
1255 | if (!field || !pos) { | |
1256 | ret = -1; | |
1257 | goto end; | |
1258 | } | |
1259 | ||
1260 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1261 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
273b65be JG |
1262 | ret = -1; |
1263 | goto end; | |
1264 | } | |
1265 | ||
dc3fffef | 1266 | ret = field_serialize_funcs[type_id](field, pos, native_byte_order); |
273b65be JG |
1267 | end: |
1268 | return ret; | |
1269 | } | |
1270 | ||
76f869ab JG |
1271 | |
1272 | BT_HIDDEN | |
1273 | bool bt_ctf_field_is_set(struct bt_ctf_field *field) | |
1274 | { | |
1275 | bool is_set = false; | |
1276 | enum bt_ctf_type_id type_id; | |
1277 | ||
1278 | if (!field) { | |
1279 | goto end; | |
1280 | } | |
1281 | ||
1282 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
1283 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { | |
1284 | goto end; | |
1285 | } | |
1286 | ||
1287 | is_set = field_is_set_funcs[type_id](field); | |
1288 | end: | |
1289 | return is_set; | |
1290 | } | |
1291 | ||
87d43dc1 JG |
1292 | struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field) |
1293 | { | |
1294 | int ret; | |
1295 | struct bt_ctf_field *copy = NULL; | |
9a19a512 | 1296 | enum bt_ctf_type_id type_id; |
87d43dc1 JG |
1297 | |
1298 | if (!field) { | |
87d43dc1 JG |
1299 | goto end; |
1300 | } | |
1301 | ||
1302 | type_id = bt_ctf_field_type_get_type_id(field->type); | |
9a19a512 | 1303 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) { |
87d43dc1 JG |
1304 | goto end; |
1305 | } | |
1306 | ||
1307 | copy = bt_ctf_field_create(field->type); | |
1308 | if (!copy) { | |
1309 | goto end; | |
1310 | } | |
1311 | ||
70996764 | 1312 | copy->payload_set = field->payload_set; |
87d43dc1 JG |
1313 | ret = field_copy_funcs[type_id](field, copy); |
1314 | if (ret) { | |
83509119 | 1315 | bt_put(copy); |
87d43dc1 JG |
1316 | copy = NULL; |
1317 | } | |
1318 | end: | |
1319 | return copy; | |
1320 | } | |
1321 | ||
273b65be JG |
1322 | static |
1323 | struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type) | |
1324 | { | |
273b65be JG |
1325 | struct bt_ctf_field_integer *integer = g_new0( |
1326 | struct bt_ctf_field_integer, 1); | |
1327 | ||
273b65be JG |
1328 | return integer ? &integer->parent : NULL; |
1329 | } | |
1330 | ||
1331 | static | |
1332 | struct bt_ctf_field *bt_ctf_field_enumeration_create( | |
1333 | struct bt_ctf_field_type *type) | |
1334 | { | |
1335 | struct bt_ctf_field_enumeration *enumeration = g_new0( | |
1336 | struct bt_ctf_field_enumeration, 1); | |
1337 | ||
1338 | return enumeration ? &enumeration->parent : NULL; | |
1339 | } | |
1340 | ||
1341 | static | |
1342 | struct bt_ctf_field *bt_ctf_field_floating_point_create( | |
1343 | struct bt_ctf_field_type *type) | |
1344 | { | |
1345 | struct bt_ctf_field_floating_point *floating_point; | |
273b65be JG |
1346 | |
1347 | floating_point = g_new0(struct bt_ctf_field_floating_point, 1); | |
273b65be JG |
1348 | return floating_point ? &floating_point->parent : NULL; |
1349 | } | |
1350 | ||
1351 | static | |
1352 | struct bt_ctf_field *bt_ctf_field_structure_create( | |
1353 | struct bt_ctf_field_type *type) | |
1354 | { | |
1355 | struct bt_ctf_field_type_structure *structure_type = container_of(type, | |
1356 | struct bt_ctf_field_type_structure, parent); | |
1357 | struct bt_ctf_field_structure *structure = g_new0( | |
1358 | struct bt_ctf_field_structure, 1); | |
1359 | struct bt_ctf_field *field = NULL; | |
1360 | ||
8c1aa858 | 1361 | if (!structure) { |
273b65be JG |
1362 | goto end; |
1363 | } | |
1364 | ||
1365 | structure->field_name_to_index = structure_type->field_name_to_index; | |
1366 | structure->fields = g_ptr_array_new_with_free_func( | |
1367 | (GDestroyNotify)bt_ctf_field_put); | |
1368 | g_ptr_array_set_size(structure->fields, | |
1369 | g_hash_table_size(structure->field_name_to_index)); | |
1370 | field = &structure->parent; | |
1371 | end: | |
1372 | return field; | |
1373 | } | |
1374 | ||
1375 | static | |
1376 | struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type) | |
1377 | { | |
1378 | struct bt_ctf_field_variant *variant = g_new0( | |
1379 | struct bt_ctf_field_variant, 1); | |
1380 | return variant ? &variant->parent : NULL; | |
1381 | } | |
1382 | ||
1383 | static | |
1384 | struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type) | |
1385 | { | |
1386 | struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1); | |
1387 | struct bt_ctf_field_type_array *array_type; | |
1388 | unsigned int array_length; | |
1389 | ||
1390 | if (!array || !type) { | |
1391 | goto error; | |
1392 | } | |
1393 | ||
1394 | array_type = container_of(type, struct bt_ctf_field_type_array, parent); | |
1395 | array_length = array_type->length; | |
fe0fe95c | 1396 | array->elements = g_ptr_array_sized_new(array_length); |
273b65be JG |
1397 | if (!array->elements) { |
1398 | goto error; | |
1399 | } | |
1400 | ||
fe0fe95c JG |
1401 | g_ptr_array_set_free_func(array->elements, |
1402 | (GDestroyNotify)bt_ctf_field_put); | |
273b65be JG |
1403 | g_ptr_array_set_size(array->elements, array_length); |
1404 | return &array->parent; | |
1405 | error: | |
1406 | g_free(array); | |
1407 | return NULL; | |
1408 | } | |
1409 | ||
1410 | static | |
1411 | struct bt_ctf_field *bt_ctf_field_sequence_create( | |
1412 | struct bt_ctf_field_type *type) | |
1413 | { | |
1414 | struct bt_ctf_field_sequence *sequence = g_new0( | |
1415 | struct bt_ctf_field_sequence, 1); | |
1416 | return sequence ? &sequence->parent : NULL; | |
1417 | } | |
1418 | ||
1419 | static | |
1420 | struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type) | |
1421 | { | |
1422 | struct bt_ctf_field_string *string = g_new0( | |
1423 | struct bt_ctf_field_string, 1); | |
1424 | return string ? &string->parent : NULL; | |
1425 | } | |
1426 | ||
1427 | static | |
83509119 | 1428 | void bt_ctf_field_destroy(struct bt_object *obj) |
273b65be JG |
1429 | { |
1430 | struct bt_ctf_field *field; | |
1431 | struct bt_ctf_field_type *type; | |
9a19a512 | 1432 | enum bt_ctf_type_id type_id; |
273b65be | 1433 | |
83509119 | 1434 | field = container_of(obj, struct bt_ctf_field, base); |
273b65be JG |
1435 | type = field->type; |
1436 | type_id = bt_ctf_field_type_get_type_id(type); | |
9a19a512 PP |
1437 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || |
1438 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
273b65be JG |
1439 | return; |
1440 | } | |
1441 | ||
1442 | field_destroy_funcs[type_id](field); | |
83509119 | 1443 | bt_put(type); |
273b65be JG |
1444 | } |
1445 | ||
1446 | static | |
1447 | void bt_ctf_field_integer_destroy(struct bt_ctf_field *field) | |
1448 | { | |
1449 | struct bt_ctf_field_integer *integer; | |
1450 | ||
1451 | if (!field) { | |
1452 | return; | |
1453 | } | |
1454 | ||
1455 | integer = container_of(field, struct bt_ctf_field_integer, parent); | |
1456 | g_free(integer); | |
1457 | } | |
1458 | ||
1459 | static | |
1460 | void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field) | |
1461 | { | |
1462 | struct bt_ctf_field_enumeration *enumeration; | |
1463 | ||
1464 | if (!field) { | |
1465 | return; | |
1466 | } | |
1467 | ||
1468 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1469 | parent); | |
83509119 | 1470 | bt_put(enumeration->payload); |
273b65be JG |
1471 | g_free(enumeration); |
1472 | } | |
1473 | ||
1474 | static | |
1475 | void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field) | |
1476 | { | |
1477 | struct bt_ctf_field_floating_point *floating_point; | |
1478 | ||
1479 | if (!field) { | |
1480 | return; | |
1481 | } | |
1482 | ||
1483 | floating_point = container_of(field, struct bt_ctf_field_floating_point, | |
1484 | parent); | |
1485 | g_free(floating_point); | |
1486 | } | |
1487 | ||
1488 | static | |
1489 | void bt_ctf_field_structure_destroy(struct bt_ctf_field *field) | |
1490 | { | |
1491 | struct bt_ctf_field_structure *structure; | |
1492 | ||
1493 | if (!field) { | |
1494 | return; | |
1495 | } | |
1496 | ||
1497 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1498 | g_ptr_array_free(structure->fields, TRUE); | |
1499 | g_free(structure); | |
1500 | } | |
1501 | ||
1502 | static | |
1503 | void bt_ctf_field_variant_destroy(struct bt_ctf_field *field) | |
1504 | { | |
1505 | struct bt_ctf_field_variant *variant; | |
1506 | ||
1507 | if (!field) { | |
1508 | return; | |
1509 | } | |
1510 | ||
1511 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
83509119 JG |
1512 | bt_put(variant->tag); |
1513 | bt_put(variant->payload); | |
273b65be JG |
1514 | g_free(variant); |
1515 | } | |
1516 | ||
1517 | static | |
1518 | void bt_ctf_field_array_destroy(struct bt_ctf_field *field) | |
1519 | { | |
1520 | struct bt_ctf_field_array *array; | |
1521 | ||
1522 | if (!field) { | |
1523 | return; | |
1524 | } | |
1525 | ||
1526 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1527 | g_ptr_array_free(array->elements, TRUE); | |
1528 | g_free(array); | |
1529 | } | |
1530 | ||
1531 | static | |
1532 | void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field) | |
1533 | { | |
1534 | struct bt_ctf_field_sequence *sequence; | |
1535 | ||
1536 | if (!field) { | |
1537 | return; | |
1538 | } | |
1539 | ||
1540 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
4fef87ab JG |
1541 | if (sequence->elements) { |
1542 | g_ptr_array_free(sequence->elements, TRUE); | |
1543 | } | |
83509119 | 1544 | bt_put(sequence->length); |
273b65be JG |
1545 | g_free(sequence); |
1546 | } | |
1547 | ||
1548 | static | |
1549 | void bt_ctf_field_string_destroy(struct bt_ctf_field *field) | |
1550 | { | |
1551 | struct bt_ctf_field_string *string; | |
1552 | if (!field) { | |
1553 | return; | |
1554 | } | |
1555 | ||
1556 | string = container_of(field, struct bt_ctf_field_string, parent); | |
9b2b7163 JG |
1557 | if (string->payload) { |
1558 | g_string_free(string->payload, TRUE); | |
1559 | } | |
273b65be JG |
1560 | g_free(string); |
1561 | } | |
1562 | ||
1563 | static | |
1564 | int bt_ctf_field_generic_validate(struct bt_ctf_field *field) | |
1565 | { | |
da2f6971 | 1566 | return (field && field->payload_set) ? 0 : -1; |
273b65be JG |
1567 | } |
1568 | ||
1569 | static | |
1570 | int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field) | |
1571 | { | |
1572 | int ret; | |
1573 | struct bt_ctf_field_enumeration *enumeration; | |
1574 | ||
1575 | if (!field) { | |
1576 | ret = -1; | |
1577 | goto end; | |
1578 | } | |
1579 | ||
1580 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1581 | parent); | |
1582 | if (!enumeration->payload) { | |
1583 | ret = -1; | |
1584 | goto end; | |
1585 | } | |
1586 | ||
1587 | ret = bt_ctf_field_validate(enumeration->payload); | |
1588 | end: | |
1589 | return ret; | |
1590 | } | |
1591 | ||
1592 | static | |
1593 | int bt_ctf_field_structure_validate(struct bt_ctf_field *field) | |
1594 | { | |
1595 | size_t i; | |
1596 | int ret = 0; | |
1597 | struct bt_ctf_field_structure *structure; | |
1598 | ||
1599 | if (!field) { | |
1600 | ret = -1; | |
1601 | goto end; | |
1602 | } | |
1603 | ||
1604 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1605 | for (i = 0; i < structure->fields->len; i++) { | |
1606 | ret = bt_ctf_field_validate(structure->fields->pdata[i]); | |
1607 | if (ret) { | |
6ce12048 JG |
1608 | const char *name; |
1609 | struct bt_ctf_field_type *field_type = | |
1610 | bt_ctf_field_get_type(field); | |
1611 | ||
1612 | (void) bt_ctf_field_type_structure_get_field(field_type, | |
1613 | &name, NULL, i); | |
1614 | fprintf(stderr, "Field %s failed validation\n", | |
1615 | name ? name : "NULL"); | |
e5ed1ccf | 1616 | bt_put(field_type); |
273b65be JG |
1617 | goto end; |
1618 | } | |
1619 | } | |
1620 | end: | |
1621 | return ret; | |
1622 | } | |
1623 | ||
1624 | static | |
1625 | int bt_ctf_field_variant_validate(struct bt_ctf_field *field) | |
1626 | { | |
1627 | int ret = 0; | |
1628 | struct bt_ctf_field_variant *variant; | |
1629 | ||
1630 | if (!field) { | |
1631 | ret = -1; | |
1632 | goto end; | |
1633 | } | |
1634 | ||
1635 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1636 | ret = bt_ctf_field_validate(variant->payload); | |
1637 | end: | |
1638 | return ret; | |
1639 | } | |
1640 | ||
1641 | static | |
1642 | int bt_ctf_field_array_validate(struct bt_ctf_field *field) | |
1643 | { | |
1644 | size_t i; | |
1645 | int ret = 0; | |
1646 | struct bt_ctf_field_array *array; | |
1647 | ||
1648 | if (!field) { | |
1649 | ret = -1; | |
1650 | goto end; | |
1651 | } | |
1652 | ||
1653 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1654 | for (i = 0; i < array->elements->len; i++) { | |
1655 | ret = bt_ctf_field_validate(array->elements->pdata[i]); | |
1656 | if (ret) { | |
e91f3bab | 1657 | fprintf(stderr, "Failed to validate array field #%zu\n", i); |
273b65be JG |
1658 | goto end; |
1659 | } | |
1660 | } | |
1661 | end: | |
1662 | return ret; | |
1663 | } | |
1664 | ||
1665 | static | |
1666 | int bt_ctf_field_sequence_validate(struct bt_ctf_field *field) | |
1667 | { | |
1668 | size_t i; | |
1669 | int ret = 0; | |
1670 | struct bt_ctf_field_sequence *sequence; | |
1671 | ||
1672 | if (!field) { | |
1673 | ret = -1; | |
1674 | goto end; | |
1675 | } | |
1676 | ||
1677 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1678 | for (i = 0; i < sequence->elements->len; i++) { | |
1679 | ret = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
1680 | if (ret) { | |
bcfb49d4 | 1681 | fprintf(stderr, "Failed to validate sequence field #%zu\n", i); |
273b65be JG |
1682 | goto end; |
1683 | } | |
1684 | } | |
1685 | end: | |
1686 | return ret; | |
1687 | } | |
1688 | ||
12c8a1a3 JG |
1689 | static |
1690 | int bt_ctf_field_generic_reset(struct bt_ctf_field *field) | |
1691 | { | |
1692 | int ret = 0; | |
1693 | ||
1694 | if (!field) { | |
1695 | ret = -1; | |
1696 | goto end; | |
1697 | } | |
1698 | ||
1699 | field->payload_set = 0; | |
1700 | end: | |
1701 | return ret; | |
1702 | } | |
1703 | ||
1704 | static | |
1705 | int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field) | |
1706 | { | |
1707 | int ret = 0; | |
1708 | struct bt_ctf_field_enumeration *enumeration; | |
1709 | ||
1710 | if (!field) { | |
1711 | ret = -1; | |
1712 | goto end; | |
1713 | } | |
1714 | ||
1715 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
1716 | parent); | |
1717 | if (!enumeration->payload) { | |
1718 | goto end; | |
1719 | } | |
1720 | ||
1721 | ret = bt_ctf_field_reset(enumeration->payload); | |
1722 | end: | |
1723 | return ret; | |
1724 | } | |
1725 | ||
1726 | static | |
1727 | int bt_ctf_field_structure_reset(struct bt_ctf_field *field) | |
1728 | { | |
1729 | size_t i; | |
1730 | int ret = 0; | |
1731 | struct bt_ctf_field_structure *structure; | |
1732 | ||
1733 | if (!field) { | |
1734 | ret = -1; | |
1735 | goto end; | |
1736 | } | |
1737 | ||
1738 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
1739 | for (i = 0; i < structure->fields->len; i++) { | |
1740 | struct bt_ctf_field *member = structure->fields->pdata[i]; | |
1741 | ||
1742 | if (!member) { | |
1743 | /* | |
1744 | * Structure members are lazily initialized; skip if | |
1745 | * this member has not been allocated yet. | |
1746 | */ | |
1747 | continue; | |
1748 | } | |
1749 | ||
1750 | ret = bt_ctf_field_reset(member); | |
1751 | if (ret) { | |
1752 | goto end; | |
1753 | } | |
1754 | } | |
1755 | end: | |
1756 | return ret; | |
1757 | } | |
1758 | ||
1759 | static | |
1760 | int bt_ctf_field_variant_reset(struct bt_ctf_field *field) | |
1761 | { | |
1762 | int ret = 0; | |
1763 | struct bt_ctf_field_variant *variant; | |
1764 | ||
1765 | if (!field) { | |
1766 | ret = -1; | |
1767 | goto end; | |
1768 | } | |
1769 | ||
1770 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
1771 | if (variant->payload) { | |
1772 | ret = bt_ctf_field_reset(variant->payload); | |
1773 | } | |
1774 | end: | |
1775 | return ret; | |
1776 | } | |
1777 | ||
1778 | static | |
1779 | int bt_ctf_field_array_reset(struct bt_ctf_field *field) | |
1780 | { | |
1781 | size_t i; | |
1782 | int ret = 0; | |
1783 | struct bt_ctf_field_array *array; | |
1784 | ||
1785 | if (!field) { | |
1786 | ret = -1; | |
1787 | goto end; | |
1788 | } | |
1789 | ||
1790 | array = container_of(field, struct bt_ctf_field_array, parent); | |
1791 | for (i = 0; i < array->elements->len; i++) { | |
1792 | struct bt_ctf_field *member = array->elements->pdata[i]; | |
1793 | ||
1794 | if (!member) { | |
1795 | /* | |
1796 | * Array elements are lazily initialized; skip if | |
1797 | * this member has not been allocated yet. | |
1798 | */ | |
1799 | continue; | |
1800 | } | |
1801 | ||
1802 | ret = bt_ctf_field_reset(member); | |
1803 | if (ret) { | |
1804 | goto end; | |
1805 | } | |
1806 | } | |
1807 | end: | |
1808 | return ret; | |
1809 | } | |
1810 | ||
1811 | static | |
1812 | int bt_ctf_field_sequence_reset(struct bt_ctf_field *field) | |
1813 | { | |
1814 | size_t i; | |
1815 | int ret = 0; | |
1816 | struct bt_ctf_field_sequence *sequence; | |
1817 | ||
1818 | if (!field) { | |
1819 | ret = -1; | |
1820 | goto end; | |
1821 | } | |
1822 | ||
1823 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
1824 | for (i = 0; i < sequence->elements->len; i++) { | |
1825 | struct bt_ctf_field *member = sequence->elements->pdata[i]; | |
1826 | ||
1827 | if (!member) { | |
1828 | /* | |
1829 | * Sequence elements are lazily initialized; skip if | |
1830 | * this member has not been allocated yet. | |
1831 | */ | |
1832 | continue; | |
1833 | } | |
1834 | ||
1835 | ret = bt_ctf_field_reset(member); | |
1836 | if (ret) { | |
1837 | goto end; | |
1838 | } | |
1839 | } | |
1840 | end: | |
1841 | return ret; | |
1842 | } | |
1843 | ||
1844 | static | |
1845 | int bt_ctf_field_string_reset(struct bt_ctf_field *field) | |
1846 | { | |
1847 | int ret = 0; | |
1848 | struct bt_ctf_field_string *string; | |
1849 | ||
1850 | if (!field) { | |
1851 | ret = -1; | |
1852 | goto end; | |
1853 | } | |
1854 | ||
1855 | ret = bt_ctf_field_generic_reset(field); | |
1856 | if (ret) { | |
1857 | goto end; | |
1858 | } | |
1859 | ||
1860 | string = container_of(field, struct bt_ctf_field_string, parent); | |
1861 | if (string->payload) { | |
1862 | g_string_truncate(string->payload, 0); | |
1863 | } | |
1864 | end: | |
1865 | return ret; | |
1866 | } | |
1867 | ||
273b65be JG |
1868 | static |
1869 | int bt_ctf_field_integer_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
1870 | struct bt_ctf_stream_pos *pos, |
1871 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
1872 | { |
1873 | int ret = 0; | |
1874 | struct bt_ctf_field_integer *integer = container_of(field, | |
1875 | struct bt_ctf_field_integer, parent); | |
1876 | ||
fa21dcb1 JG |
1877 | if (!bt_ctf_field_generic_is_set(field)) { |
1878 | ret = -1; | |
1879 | goto end; | |
1880 | } | |
273b65be | 1881 | retry: |
dc3fffef | 1882 | ret = bt_ctf_field_integer_write(integer, pos, native_byte_order); |
273b65be JG |
1883 | if (ret == -EFAULT) { |
1884 | /* | |
1885 | * The field is too large to fit in the current packet's | |
1886 | * remaining space. Bump the packet size and retry. | |
1887 | */ | |
1888 | ret = increase_packet_size(pos); | |
1889 | if (ret) { | |
1890 | goto end; | |
1891 | } | |
1892 | goto retry; | |
1893 | } | |
1894 | end: | |
1895 | return ret; | |
1896 | } | |
1897 | ||
1898 | static | |
1899 | int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
1900 | struct bt_ctf_stream_pos *pos, |
1901 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
1902 | { |
1903 | struct bt_ctf_field_enumeration *enumeration = container_of( | |
1904 | field, struct bt_ctf_field_enumeration, parent); | |
1905 | ||
dc3fffef PP |
1906 | return bt_ctf_field_serialize(enumeration->payload, pos, |
1907 | native_byte_order); | |
273b65be JG |
1908 | } |
1909 | ||
1910 | static | |
1911 | int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
1912 | struct bt_ctf_stream_pos *pos, |
1913 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
1914 | { |
1915 | int ret = 0; | |
1916 | struct bt_ctf_field_floating_point *floating_point = container_of(field, | |
1917 | struct bt_ctf_field_floating_point, parent); | |
1918 | ||
fa21dcb1 JG |
1919 | if (!bt_ctf_field_generic_is_set(field)) { |
1920 | ret = -1; | |
1921 | goto end; | |
1922 | } | |
273b65be | 1923 | retry: |
dc3fffef PP |
1924 | ret = bt_ctf_field_floating_point_write(floating_point, pos, |
1925 | native_byte_order); | |
273b65be JG |
1926 | if (ret == -EFAULT) { |
1927 | /* | |
1928 | * The field is too large to fit in the current packet's | |
1929 | * remaining space. Bump the packet size and retry. | |
1930 | */ | |
1931 | ret = increase_packet_size(pos); | |
1932 | if (ret) { | |
1933 | goto end; | |
1934 | } | |
1935 | goto retry; | |
1936 | } | |
1937 | end: | |
1938 | return ret; | |
1939 | } | |
1940 | ||
1941 | static | |
1942 | int bt_ctf_field_structure_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
1943 | struct bt_ctf_stream_pos *pos, |
1944 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
1945 | { |
1946 | size_t i; | |
1947 | int ret = 0; | |
1948 | struct bt_ctf_field_structure *structure = container_of( | |
1949 | field, struct bt_ctf_field_structure, parent); | |
1950 | ||
dc3fffef PP |
1951 | while (!bt_ctf_stream_pos_access_ok(pos, |
1952 | offset_align(pos->offset, field->type->alignment))) { | |
9f56e450 JG |
1953 | ret = increase_packet_size(pos); |
1954 | if (ret) { | |
1955 | goto end; | |
1956 | } | |
273b65be JG |
1957 | } |
1958 | ||
dc3fffef | 1959 | if (!bt_ctf_stream_pos_align(pos, field->type->alignment)) { |
70fd5a51 MD |
1960 | ret = -1; |
1961 | goto end; | |
1962 | } | |
273b65be JG |
1963 | |
1964 | for (i = 0; i < structure->fields->len; i++) { | |
bf3a205b | 1965 | struct bt_ctf_field *member = g_ptr_array_index( |
273b65be JG |
1966 | structure->fields, i); |
1967 | ||
dc3fffef | 1968 | ret = bt_ctf_field_serialize(member, pos, native_byte_order); |
273b65be | 1969 | if (ret) { |
bcfb49d4 | 1970 | const char *name; |
bf3a205b | 1971 | struct bt_ctf_field_type *structure_type = |
bcfb49d4 JG |
1972 | bt_ctf_field_get_type(field); |
1973 | ||
bf3a205b JG |
1974 | (void) bt_ctf_field_type_structure_get_field( |
1975 | structure_type, &name, NULL, i); | |
bcfb49d4 JG |
1976 | fprintf(stderr, "Field %s failed to serialize\n", |
1977 | name ? name : "NULL"); | |
bf3a205b | 1978 | bt_put(structure_type); |
273b65be JG |
1979 | break; |
1980 | } | |
1981 | } | |
9f56e450 | 1982 | end: |
273b65be JG |
1983 | return ret; |
1984 | } | |
1985 | ||
1986 | static | |
1987 | int bt_ctf_field_variant_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
1988 | struct bt_ctf_stream_pos *pos, |
1989 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
1990 | { |
1991 | struct bt_ctf_field_variant *variant = container_of( | |
1992 | field, struct bt_ctf_field_variant, parent); | |
1993 | ||
dc3fffef PP |
1994 | return bt_ctf_field_serialize(variant->payload, pos, |
1995 | native_byte_order); | |
273b65be JG |
1996 | } |
1997 | ||
1998 | static | |
1999 | int bt_ctf_field_array_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
2000 | struct bt_ctf_stream_pos *pos, |
2001 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
2002 | { |
2003 | size_t i; | |
2004 | int ret = 0; | |
2005 | struct bt_ctf_field_array *array = container_of( | |
2006 | field, struct bt_ctf_field_array, parent); | |
2007 | ||
2008 | for (i = 0; i < array->elements->len; i++) { | |
2009 | ret = bt_ctf_field_serialize( | |
dc3fffef PP |
2010 | g_ptr_array_index(array->elements, i), pos, |
2011 | native_byte_order); | |
273b65be | 2012 | if (ret) { |
bcfb49d4 | 2013 | fprintf(stderr, "Failed to serialize array element #%zu\n", i); |
273b65be JG |
2014 | goto end; |
2015 | } | |
2016 | } | |
2017 | end: | |
2018 | return ret; | |
2019 | } | |
2020 | ||
2021 | static | |
2022 | int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
2023 | struct bt_ctf_stream_pos *pos, |
2024 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
2025 | { |
2026 | size_t i; | |
2027 | int ret = 0; | |
2028 | struct bt_ctf_field_sequence *sequence = container_of( | |
2029 | field, struct bt_ctf_field_sequence, parent); | |
2030 | ||
2031 | for (i = 0; i < sequence->elements->len; i++) { | |
2032 | ret = bt_ctf_field_serialize( | |
dc3fffef PP |
2033 | g_ptr_array_index(sequence->elements, i), pos, |
2034 | native_byte_order); | |
273b65be | 2035 | if (ret) { |
bcfb49d4 | 2036 | fprintf(stderr, "Failed to serialize sequence element #%zu\n", i); |
273b65be JG |
2037 | goto end; |
2038 | } | |
2039 | } | |
2040 | end: | |
2041 | return ret; | |
2042 | } | |
2043 | ||
2044 | static | |
2045 | int bt_ctf_field_string_serialize(struct bt_ctf_field *field, | |
dc3fffef PP |
2046 | struct bt_ctf_stream_pos *pos, |
2047 | enum bt_ctf_byte_order native_byte_order) | |
273b65be JG |
2048 | { |
2049 | size_t i; | |
2050 | int ret = 0; | |
2051 | struct bt_ctf_field_string *string = container_of(field, | |
2052 | struct bt_ctf_field_string, parent); | |
2053 | struct bt_ctf_field_type *character_type = | |
2054 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
2055 | struct bt_ctf_field *character = bt_ctf_field_create(character_type); | |
2056 | ||
2057 | for (i = 0; i < string->payload->len + 1; i++) { | |
2058 | ret = bt_ctf_field_unsigned_integer_set_value(character, | |
2059 | (uint64_t) string->payload->str[i]); | |
2060 | if (ret) { | |
2061 | goto end; | |
2062 | } | |
2063 | ||
dc3fffef PP |
2064 | ret = bt_ctf_field_integer_serialize(character, pos, |
2065 | native_byte_order); | |
273b65be JG |
2066 | if (ret) { |
2067 | goto end; | |
2068 | } | |
2069 | } | |
2070 | end: | |
83509119 JG |
2071 | bt_put(character); |
2072 | bt_put(character_type); | |
273b65be JG |
2073 | return ret; |
2074 | } | |
2075 | ||
87d43dc1 JG |
2076 | static |
2077 | int bt_ctf_field_integer_copy(struct bt_ctf_field *src, | |
2078 | struct bt_ctf_field *dst) | |
2079 | { | |
2080 | struct bt_ctf_field_integer *integer_src, *integer_dst; | |
2081 | ||
2082 | integer_src = container_of(src, struct bt_ctf_field_integer, parent); | |
8bfa3f9c | 2083 | integer_dst = container_of(dst, struct bt_ctf_field_integer, parent); |
dc3fffef | 2084 | integer_dst->payload = integer_src->payload; |
87d43dc1 JG |
2085 | return 0; |
2086 | } | |
2087 | ||
2088 | static | |
2089 | int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src, | |
2090 | struct bt_ctf_field *dst) | |
2091 | { | |
2092 | int ret = 0; | |
2093 | struct bt_ctf_field_enumeration *enum_src, *enum_dst; | |
2094 | ||
2095 | enum_src = container_of(src, struct bt_ctf_field_enumeration, parent); | |
2096 | enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent); | |
2097 | ||
2098 | if (enum_src->payload) { | |
2099 | enum_dst->payload = bt_ctf_field_copy(enum_src->payload); | |
2100 | if (!enum_dst->payload) { | |
2101 | ret = -1; | |
2102 | goto end; | |
2103 | } | |
2104 | } | |
2105 | end: | |
2106 | return ret; | |
2107 | } | |
2108 | ||
2109 | static | |
2110 | int bt_ctf_field_floating_point_copy( | |
2111 | struct bt_ctf_field *src, struct bt_ctf_field *dst) | |
2112 | { | |
2113 | struct bt_ctf_field_floating_point *float_src, *float_dst; | |
2114 | ||
2115 | float_src = container_of(src, struct bt_ctf_field_floating_point, | |
2116 | parent); | |
2117 | float_dst = container_of(dst, struct bt_ctf_field_floating_point, | |
2118 | parent); | |
dc3fffef | 2119 | float_dst->payload = float_src->payload; |
87d43dc1 JG |
2120 | return 0; |
2121 | } | |
2122 | ||
2123 | static | |
2124 | int bt_ctf_field_structure_copy(struct bt_ctf_field *src, | |
2125 | struct bt_ctf_field *dst) | |
2126 | { | |
8bfa3f9c | 2127 | int ret = 0, i; |
87d43dc1 JG |
2128 | struct bt_ctf_field_structure *struct_src, *struct_dst; |
2129 | ||
2130 | struct_src = container_of(src, struct bt_ctf_field_structure, parent); | |
2131 | struct_dst = container_of(dst, struct bt_ctf_field_structure, parent); | |
2132 | ||
8bfa3f9c | 2133 | /* This field_name_to_index HT is owned by the structure field type */ |
87d43dc1 | 2134 | struct_dst->field_name_to_index = struct_src->field_name_to_index; |
8bfa3f9c | 2135 | g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len); |
87d43dc1 JG |
2136 | |
2137 | for (i = 0; i < struct_src->fields->len; i++) { | |
50fd95bf PP |
2138 | struct bt_ctf_field *field = |
2139 | g_ptr_array_index(struct_src->fields, i); | |
2140 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2141 | |
50fd95bf PP |
2142 | if (field) { |
2143 | field_copy = bt_ctf_field_copy(field); | |
2144 | ||
2145 | if (!field_copy) { | |
2146 | ret = -1; | |
2147 | goto end; | |
2148 | } | |
87d43dc1 | 2149 | } |
50fd95bf | 2150 | |
8bfa3f9c | 2151 | g_ptr_array_index(struct_dst->fields, i) = field_copy; |
87d43dc1 JG |
2152 | } |
2153 | end: | |
2154 | return ret; | |
2155 | } | |
2156 | ||
2157 | static | |
2158 | int bt_ctf_field_variant_copy(struct bt_ctf_field *src, | |
2159 | struct bt_ctf_field *dst) | |
2160 | { | |
2161 | int ret = 0; | |
2162 | struct bt_ctf_field_variant *variant_src, *variant_dst; | |
2163 | ||
2164 | variant_src = container_of(src, struct bt_ctf_field_variant, parent); | |
2165 | variant_dst = container_of(dst, struct bt_ctf_field_variant, parent); | |
2166 | ||
2167 | if (variant_src->tag) { | |
2168 | variant_dst->tag = bt_ctf_field_copy(variant_src->tag); | |
2169 | if (!variant_dst->tag) { | |
2170 | ret = -1; | |
2171 | goto end; | |
2172 | } | |
2173 | } | |
2174 | if (variant_src->payload) { | |
2175 | variant_dst->payload = bt_ctf_field_copy(variant_src->payload); | |
2176 | if (!variant_dst->payload) { | |
2177 | ret = -1; | |
2178 | goto end; | |
2179 | } | |
2180 | } | |
2181 | end: | |
2182 | return ret; | |
2183 | } | |
2184 | ||
2185 | static | |
2186 | int bt_ctf_field_array_copy(struct bt_ctf_field *src, | |
2187 | struct bt_ctf_field *dst) | |
2188 | { | |
2189 | int ret = 0, i; | |
2190 | struct bt_ctf_field_array *array_src, *array_dst; | |
2191 | ||
2192 | array_src = container_of(src, struct bt_ctf_field_array, parent); | |
2193 | array_dst = container_of(dst, struct bt_ctf_field_array, parent); | |
2194 | ||
8bfa3f9c | 2195 | g_ptr_array_set_size(array_dst->elements, array_src->elements->len); |
87d43dc1 | 2196 | for (i = 0; i < array_src->elements->len; i++) { |
50fd95bf PP |
2197 | struct bt_ctf_field *field = |
2198 | g_ptr_array_index(array_src->elements, i); | |
2199 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2200 | |
50fd95bf PP |
2201 | if (field) { |
2202 | field_copy = bt_ctf_field_copy(field); | |
2203 | ||
2204 | if (!field_copy) { | |
2205 | ret = -1; | |
2206 | goto end; | |
2207 | } | |
87d43dc1 | 2208 | } |
50fd95bf | 2209 | |
8bfa3f9c | 2210 | g_ptr_array_index(array_dst->elements, i) = field_copy; |
87d43dc1 JG |
2211 | } |
2212 | end: | |
2213 | return ret; | |
2214 | } | |
2215 | ||
2216 | static | |
2217 | int bt_ctf_field_sequence_copy(struct bt_ctf_field *src, | |
2218 | struct bt_ctf_field *dst) | |
2219 | { | |
2220 | int ret = 0, i; | |
2221 | struct bt_ctf_field_sequence *sequence_src, *sequence_dst; | |
59ab494d PP |
2222 | struct bt_ctf_field *src_length; |
2223 | struct bt_ctf_field *dst_length; | |
87d43dc1 JG |
2224 | |
2225 | sequence_src = container_of(src, struct bt_ctf_field_sequence, parent); | |
2226 | sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent); | |
2227 | ||
59ab494d PP |
2228 | src_length = bt_ctf_field_sequence_get_length(src); |
2229 | ||
2230 | if (!src_length) { | |
2231 | /* no length set yet: keep destination sequence empty */ | |
2232 | goto end; | |
2233 | } | |
2234 | ||
2235 | /* copy source length */ | |
2236 | dst_length = bt_ctf_field_copy(src_length); | |
83509119 | 2237 | bt_put(src_length); |
59ab494d PP |
2238 | |
2239 | if (!dst_length) { | |
2240 | ret = -1; | |
2241 | goto end; | |
2242 | } | |
2243 | ||
2244 | /* this will initialize the destination sequence's internal array */ | |
2245 | ret = bt_ctf_field_sequence_set_length(dst, dst_length); | |
83509119 | 2246 | bt_put(dst_length); |
59ab494d PP |
2247 | |
2248 | if (ret) { | |
2249 | goto end; | |
2250 | } | |
2251 | ||
2252 | assert(sequence_dst->elements->len == sequence_src->elements->len); | |
2253 | ||
87d43dc1 | 2254 | for (i = 0; i < sequence_src->elements->len; i++) { |
50fd95bf PP |
2255 | struct bt_ctf_field *field = |
2256 | g_ptr_array_index(sequence_src->elements, i); | |
2257 | struct bt_ctf_field *field_copy = NULL; | |
87d43dc1 | 2258 | |
50fd95bf PP |
2259 | if (field) { |
2260 | field_copy = bt_ctf_field_copy(field); | |
2261 | ||
2262 | if (!field_copy) { | |
2263 | ret = -1; | |
2264 | goto end; | |
2265 | } | |
87d43dc1 | 2266 | } |
59ab494d | 2267 | |
8bfa3f9c | 2268 | g_ptr_array_index(sequence_dst->elements, i) = field_copy; |
87d43dc1 JG |
2269 | } |
2270 | end: | |
2271 | return ret; | |
2272 | } | |
2273 | ||
2274 | static | |
2275 | int bt_ctf_field_string_copy(struct bt_ctf_field *src, | |
2276 | struct bt_ctf_field *dst) | |
2277 | { | |
2278 | int ret = 0; | |
2279 | struct bt_ctf_field_string *string_src, *string_dst; | |
2280 | ||
2281 | string_src = container_of(src, struct bt_ctf_field_string, parent); | |
2282 | string_dst = container_of(dst, struct bt_ctf_field_string, parent); | |
2283 | ||
2284 | if (string_src->payload) { | |
2285 | string_dst->payload = g_string_new(string_src->payload->str); | |
2286 | if (!string_dst->payload) { | |
2287 | ret = -1; | |
2288 | goto end; | |
2289 | } | |
2290 | } | |
2291 | end: | |
2292 | return ret; | |
2293 | } | |
2294 | ||
273b65be | 2295 | static |
dc3fffef | 2296 | int increase_packet_size(struct bt_ctf_stream_pos *pos) |
273b65be JG |
2297 | { |
2298 | int ret; | |
2299 | ||
2300 | assert(pos); | |
2301 | ret = munmap_align(pos->base_mma); | |
2302 | if (ret) { | |
2303 | goto end; | |
2304 | } | |
2305 | ||
2306 | pos->packet_size += PACKET_LEN_INCREMENT; | |
d9548894 MD |
2307 | do { |
2308 | ret = bt_posix_fallocate(pos->fd, pos->mmap_offset, | |
2309 | pos->packet_size / CHAR_BIT); | |
2310 | } while (ret == EINTR); | |
273b65be | 2311 | if (ret) { |
d9548894 MD |
2312 | errno = EINTR; |
2313 | ret = -1; | |
273b65be JG |
2314 | goto end; |
2315 | } | |
2316 | ||
2317 | pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot, | |
2318 | pos->flags, pos->fd, pos->mmap_offset); | |
2319 | if (pos->base_mma == MAP_FAILED) { | |
2320 | ret = -1; | |
2321 | } | |
2322 | end: | |
2323 | return ret; | |
2324 | } | |
918be005 PP |
2325 | |
2326 | static | |
2327 | void generic_field_freeze(struct bt_ctf_field *field) | |
2328 | { | |
2329 | field->frozen = 1; | |
2330 | } | |
2331 | ||
2332 | static | |
2333 | void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *field) | |
2334 | { | |
2335 | struct bt_ctf_field_enumeration *enum_field = | |
2336 | container_of(field, struct bt_ctf_field_enumeration, parent); | |
2337 | ||
2338 | bt_ctf_field_freeze(enum_field->payload); | |
2339 | generic_field_freeze(field); | |
2340 | } | |
2341 | ||
2342 | static | |
2343 | void bt_ctf_field_structure_freeze(struct bt_ctf_field *field) | |
2344 | { | |
2345 | int i; | |
2346 | struct bt_ctf_field_structure *structure_field = | |
2347 | container_of(field, struct bt_ctf_field_structure, parent); | |
2348 | ||
2349 | for (i = 0; i < structure_field->fields->len; i++) { | |
2350 | struct bt_ctf_field *field = | |
2351 | g_ptr_array_index(structure_field->fields, i); | |
2352 | ||
2353 | bt_ctf_field_freeze(field); | |
2354 | } | |
2355 | ||
2356 | generic_field_freeze(field); | |
2357 | } | |
2358 | ||
2359 | static | |
2360 | void bt_ctf_field_variant_freeze(struct bt_ctf_field *field) | |
2361 | { | |
2362 | struct bt_ctf_field_variant *variant_field = | |
2363 | container_of(field, struct bt_ctf_field_variant, parent); | |
2364 | ||
2365 | bt_ctf_field_freeze(variant_field->tag); | |
2366 | bt_ctf_field_freeze(variant_field->payload); | |
2367 | generic_field_freeze(field); | |
2368 | } | |
2369 | ||
2370 | static | |
2371 | void bt_ctf_field_array_freeze(struct bt_ctf_field *field) | |
2372 | { | |
2373 | int i; | |
2374 | struct bt_ctf_field_array *array_field = | |
2375 | container_of(field, struct bt_ctf_field_array, parent); | |
2376 | ||
2377 | for (i = 0; i < array_field->elements->len; i++) { | |
2378 | struct bt_ctf_field *field = | |
2379 | g_ptr_array_index(array_field->elements, i); | |
2380 | ||
2381 | bt_ctf_field_freeze(field); | |
2382 | } | |
2383 | ||
2384 | generic_field_freeze(field); | |
2385 | } | |
2386 | ||
2387 | static | |
2388 | void bt_ctf_field_sequence_freeze(struct bt_ctf_field *field) | |
2389 | { | |
2390 | int i; | |
2391 | struct bt_ctf_field_sequence *sequence_field = | |
2392 | container_of(field, struct bt_ctf_field_sequence, parent); | |
2393 | ||
2394 | bt_ctf_field_freeze(sequence_field->length); | |
2395 | ||
2396 | for (i = 0; i < sequence_field->elements->len; i++) { | |
2397 | struct bt_ctf_field *field = | |
2398 | g_ptr_array_index(sequence_field->elements, i); | |
2399 | ||
2400 | bt_ctf_field_freeze(field); | |
2401 | } | |
2402 | ||
2403 | generic_field_freeze(field); | |
2404 | } | |
2405 | ||
2406 | BT_HIDDEN | |
2407 | void bt_ctf_field_freeze(struct bt_ctf_field *field) | |
2408 | { | |
35f77de4 JG |
2409 | enum bt_ctf_type_id type_id; |
2410 | ||
918be005 PP |
2411 | if (!field) { |
2412 | goto end; | |
2413 | } | |
2414 | ||
35f77de4 JG |
2415 | type_id = bt_ctf_field_get_type_id(field); |
2416 | if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || | |
2417 | type_id >= BT_CTF_NR_TYPE_IDS) { | |
2418 | goto end; | |
2419 | } | |
918be005 | 2420 | |
35f77de4 | 2421 | field_freeze_funcs[type_id](field); |
918be005 PP |
2422 | end: |
2423 | return; | |
2424 | } | |
76f869ab JG |
2425 | |
2426 | static | |
2427 | bool bt_ctf_field_generic_is_set(struct bt_ctf_field *field) | |
2428 | { | |
2429 | return field && field->payload_set; | |
2430 | } | |
2431 | ||
2432 | static | |
2433 | bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *field) | |
2434 | { | |
2435 | bool is_set = false; | |
2436 | struct bt_ctf_field_enumeration *enumeration; | |
2437 | ||
2438 | if (!field) { | |
2439 | goto end; | |
2440 | } | |
2441 | ||
2442 | enumeration = container_of(field, struct bt_ctf_field_enumeration, | |
2443 | parent); | |
2444 | if (!enumeration->payload) { | |
2445 | goto end; | |
2446 | } | |
2447 | ||
2448 | is_set = bt_ctf_field_is_set(enumeration->payload); | |
2449 | end: | |
2450 | return is_set; | |
2451 | } | |
2452 | ||
2453 | static | |
2454 | bool bt_ctf_field_structure_is_set(struct bt_ctf_field *field) | |
2455 | { | |
2456 | bool is_set = false; | |
2457 | size_t i; | |
2458 | struct bt_ctf_field_structure *structure; | |
2459 | ||
2460 | if (!field) { | |
2461 | goto end; | |
2462 | } | |
2463 | ||
2464 | structure = container_of(field, struct bt_ctf_field_structure, parent); | |
2465 | for (i = 0; i < structure->fields->len; i++) { | |
2466 | is_set = bt_ctf_field_is_set(structure->fields->pdata[i]); | |
2467 | if (!is_set) { | |
2468 | goto end; | |
2469 | } | |
2470 | } | |
2471 | end: | |
2472 | return is_set; | |
2473 | } | |
2474 | ||
2475 | static | |
2476 | bool bt_ctf_field_variant_is_set(struct bt_ctf_field *field) | |
2477 | { | |
2478 | bool is_set = false; | |
2479 | struct bt_ctf_field_variant *variant; | |
2480 | ||
2481 | if (!field) { | |
2482 | goto end; | |
2483 | } | |
2484 | ||
2485 | variant = container_of(field, struct bt_ctf_field_variant, parent); | |
2486 | is_set = bt_ctf_field_is_set(variant->payload); | |
2487 | end: | |
2488 | return is_set; | |
2489 | } | |
2490 | ||
2491 | static | |
2492 | bool bt_ctf_field_array_is_set(struct bt_ctf_field *field) | |
2493 | { | |
2494 | size_t i; | |
2495 | bool is_set = false; | |
2496 | struct bt_ctf_field_array *array; | |
2497 | ||
2498 | if (!field) { | |
2499 | goto end; | |
2500 | } | |
2501 | ||
2502 | array = container_of(field, struct bt_ctf_field_array, parent); | |
2503 | for (i = 0; i < array->elements->len; i++) { | |
24626e8b | 2504 | is_set = bt_ctf_field_is_set(array->elements->pdata[i]); |
76f869ab JG |
2505 | if (!is_set) { |
2506 | goto end; | |
2507 | } | |
2508 | } | |
2509 | end: | |
2510 | return is_set; | |
2511 | } | |
2512 | ||
2513 | static | |
2514 | bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *field) | |
2515 | { | |
2516 | size_t i; | |
2517 | bool is_set = false; | |
2518 | struct bt_ctf_field_sequence *sequence; | |
2519 | ||
2520 | if (!field) { | |
2521 | goto end; | |
2522 | } | |
2523 | ||
2524 | sequence = container_of(field, struct bt_ctf_field_sequence, parent); | |
2525 | for (i = 0; i < sequence->elements->len; i++) { | |
2526 | is_set = bt_ctf_field_validate(sequence->elements->pdata[i]); | |
2527 | if (!is_set) { | |
2528 | goto end; | |
2529 | } | |
2530 | } | |
2531 | end: | |
2532 | return is_set; | |
2533 | } |