Commit | Line | Data |
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272df73e PP |
1 | /* |
2 | * event-class.c | |
3 | * | |
4 | * Babeltrace CTF IR - Event class | |
5 | * | |
6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-ir/fields-internal.h> | |
30 | #include <babeltrace/ctf-ir/field-types-internal.h> | |
31 | #include <babeltrace/ctf-ir/event-class.h> | |
32 | #include <babeltrace/ctf-ir/event-class-internal.h> | |
33 | #include <babeltrace/ctf-ir/stream-class.h> | |
34 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
35 | #include <babeltrace/ctf-ir/trace-internal.h> | |
36 | #include <babeltrace/ctf-ir/validation-internal.h> | |
37 | #include <babeltrace/ctf-ir/utils.h> | |
38 | #include <babeltrace/ref.h> | |
39 | #include <babeltrace/ctf-ir/attributes-internal.h> | |
3d9990ac PP |
40 | #include <babeltrace/compiler-internal.h> |
41 | #include <babeltrace/endian-internal.h> | |
dc3fffef | 42 | #include <inttypes.h> |
272df73e PP |
43 | |
44 | static | |
45 | void bt_ctf_event_class_destroy(struct bt_object *obj); | |
46 | ||
47 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
48 | { | |
49 | int ret; | |
50 | struct bt_value *obj = NULL; | |
51 | struct bt_ctf_event_class *event_class = NULL; | |
52 | ||
53 | if (bt_ctf_validate_identifier(name)) { | |
54 | goto error; | |
55 | } | |
56 | ||
57 | event_class = g_new0(struct bt_ctf_event_class, 1); | |
58 | if (!event_class) { | |
59 | goto error; | |
60 | } | |
61 | ||
5990dd44 | 62 | event_class->id = -1; |
272df73e PP |
63 | bt_object_init(event_class, bt_ctf_event_class_destroy); |
64 | event_class->fields = bt_ctf_field_type_structure_create(); | |
65 | if (!event_class->fields) { | |
66 | goto error; | |
67 | } | |
68 | ||
53a1cae7 PP |
69 | event_class->context = bt_ctf_field_type_structure_create(); |
70 | if (!event_class->context) { | |
71 | goto error; | |
72 | } | |
73 | ||
272df73e PP |
74 | event_class->attributes = bt_ctf_attributes_create(); |
75 | if (!event_class->attributes) { | |
76 | goto error; | |
77 | } | |
78 | ||
79 | obj = bt_value_integer_create_init(-1); | |
80 | if (!obj) { | |
81 | goto error; | |
82 | } | |
83 | ||
84 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
85 | "id", obj); | |
86 | if (ret) { | |
87 | goto error; | |
88 | } | |
89 | ||
90 | BT_PUT(obj); | |
91 | ||
92 | obj = bt_value_string_create_init(name); | |
93 | if (!obj) { | |
94 | goto error; | |
95 | } | |
96 | ||
97 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
98 | "name", obj); | |
99 | if (ret) { | |
100 | goto error; | |
101 | } | |
102 | ||
103 | BT_PUT(obj); | |
104 | ||
105 | return event_class; | |
106 | ||
107 | error: | |
108 | BT_PUT(event_class); | |
109 | BT_PUT(obj); | |
110 | return event_class; | |
111 | } | |
112 | ||
113 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) | |
114 | { | |
115 | struct bt_value *obj = NULL; | |
116 | const char *name = NULL; | |
117 | ||
118 | if (!event_class) { | |
119 | goto end; | |
120 | } | |
121 | ||
5990dd44 JG |
122 | if (event_class->name) { |
123 | name = event_class->name; | |
124 | goto end; | |
125 | } | |
126 | ||
272df73e PP |
127 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
128 | BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX); | |
129 | if (!obj) { | |
130 | goto end; | |
131 | } | |
132 | ||
133 | if (bt_value_string_get(obj, &name)) { | |
134 | name = NULL; | |
135 | } | |
136 | ||
137 | end: | |
138 | BT_PUT(obj); | |
139 | return name; | |
140 | } | |
141 | ||
142 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
143 | { | |
144 | struct bt_value *obj = NULL; | |
145 | int64_t ret = 0; | |
146 | ||
147 | if (!event_class) { | |
9ac68eb1 | 148 | ret = (int64_t) -1; |
272df73e PP |
149 | goto end; |
150 | } | |
151 | ||
5990dd44 | 152 | if (event_class->id >= 0) { |
9ac68eb1 | 153 | ret = (int64_t) event_class->id; |
5990dd44 JG |
154 | goto end; |
155 | } | |
156 | ||
272df73e PP |
157 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, |
158 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); | |
159 | if (!obj) { | |
160 | goto end; | |
161 | } | |
162 | ||
163 | if (bt_value_integer_get(obj, &ret)) { | |
9ac68eb1 | 164 | ret = (int64_t) -1; |
272df73e PP |
165 | } |
166 | ||
167 | if (ret < 0) { | |
168 | /* means ID is not set */ | |
9ac68eb1 | 169 | ret = (int64_t) -1; |
272df73e PP |
170 | goto end; |
171 | } | |
172 | ||
173 | end: | |
174 | BT_PUT(obj); | |
175 | return ret; | |
176 | } | |
177 | ||
178 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
9ac68eb1 | 179 | uint64_t id_param) |
272df73e PP |
180 | { |
181 | int ret = 0; | |
182 | struct bt_value *obj = NULL; | |
183 | struct bt_ctf_stream_class *stream_class = NULL; | |
9ac68eb1 | 184 | int64_t id = (int64_t) id_param; |
272df73e | 185 | |
9ac68eb1 | 186 | if (!event_class || id < 0) { |
272df73e PP |
187 | ret = -1; |
188 | goto end; | |
189 | } | |
190 | ||
191 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
192 | if (stream_class) { | |
193 | /* | |
194 | * We don't allow changing the id if the event class has already | |
195 | * been added to a stream class. | |
196 | */ | |
197 | ret = -1; | |
198 | goto end; | |
199 | } | |
200 | ||
201 | obj = bt_ctf_attributes_get_field_value(event_class->attributes, | |
202 | BT_CTF_EVENT_CLASS_ATTR_ID_INDEX); | |
203 | if (!obj) { | |
204 | goto end; | |
205 | } | |
206 | ||
207 | if (bt_value_integer_set(obj, id)) { | |
208 | ret = -1; | |
209 | goto end; | |
210 | } | |
211 | ||
212 | end: | |
213 | BT_PUT(obj); | |
214 | BT_PUT(stream_class); | |
215 | return ret; | |
216 | } | |
217 | ||
218 | int bt_ctf_event_class_set_attribute( | |
219 | struct bt_ctf_event_class *event_class, const char *name, | |
220 | struct bt_value *value) | |
221 | { | |
222 | int ret = 0; | |
223 | ||
224 | if (!event_class || !name || !value || event_class->frozen) { | |
225 | ret = -1; | |
226 | goto end; | |
227 | } | |
228 | ||
2073703a JG |
229 | if (!strcmp(name, "id") || !strcmp(name, "loglevel") || |
230 | !strcmp(name, "stream_id")) { | |
272df73e PP |
231 | if (!bt_value_is_integer(value)) { |
232 | ret = -1; | |
233 | goto end; | |
234 | } | |
c3c30b08 MD |
235 | } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri") || |
236 | !strcmp(name, "loglevel_string")) { | |
272df73e PP |
237 | if (!bt_value_is_string(value)) { |
238 | ret = -1; | |
239 | goto end; | |
240 | } | |
241 | } else { | |
242 | /* unknown attribute */ | |
243 | ret = -1; | |
244 | goto end; | |
245 | } | |
246 | ||
247 | /* "id" special case: >= 0 */ | |
248 | if (!strcmp(name, "id")) { | |
249 | int64_t val; | |
250 | ||
251 | ret = bt_value_integer_get(value, &val); | |
252 | ||
253 | if (ret) { | |
254 | goto end; | |
255 | } | |
256 | ||
257 | if (val < 0) { | |
258 | ret = -1; | |
259 | goto end; | |
260 | } | |
261 | } | |
262 | ||
263 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
2073703a | 264 | name, value); |
272df73e PP |
265 | |
266 | end: | |
267 | return ret; | |
268 | } | |
269 | ||
544d0515 | 270 | int64_t bt_ctf_event_class_get_attribute_count( |
272df73e PP |
271 | struct bt_ctf_event_class *event_class) |
272 | { | |
9ac68eb1 | 273 | int64_t ret; |
272df73e PP |
274 | |
275 | if (!event_class) { | |
9ac68eb1 | 276 | ret = (int64_t) -1; |
272df73e PP |
277 | goto end; |
278 | } | |
279 | ||
280 | ret = bt_ctf_attributes_get_count(event_class->attributes); | |
281 | ||
282 | end: | |
283 | return ret; | |
284 | } | |
285 | ||
286 | const char * | |
9ac68eb1 PP |
287 | bt_ctf_event_class_get_attribute_name_by_index( |
288 | struct bt_ctf_event_class *event_class, uint64_t index) | |
272df73e PP |
289 | { |
290 | const char *ret; | |
291 | ||
292 | if (!event_class) { | |
293 | ret = NULL; | |
294 | goto end; | |
295 | } | |
296 | ||
297 | ret = bt_ctf_attributes_get_field_name(event_class->attributes, index); | |
298 | ||
299 | end: | |
300 | return ret; | |
301 | } | |
302 | ||
303 | struct bt_value * | |
9ac68eb1 PP |
304 | bt_ctf_event_class_get_attribute_value_by_index( |
305 | struct bt_ctf_event_class *event_class, uint64_t index) | |
272df73e PP |
306 | { |
307 | struct bt_value *ret; | |
308 | ||
309 | if (!event_class) { | |
310 | ret = NULL; | |
311 | goto end; | |
312 | } | |
313 | ||
314 | ret = bt_ctf_attributes_get_field_value(event_class->attributes, index); | |
315 | ||
316 | end: | |
317 | return ret; | |
318 | } | |
319 | ||
320 | struct bt_value * | |
321 | bt_ctf_event_class_get_attribute_value_by_name( | |
322 | struct bt_ctf_event_class *event_class, const char *name) | |
323 | { | |
324 | struct bt_value *ret; | |
325 | ||
326 | if (!event_class || !name) { | |
327 | ret = NULL; | |
328 | goto end; | |
329 | } | |
330 | ||
331 | ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes, | |
332 | name); | |
333 | ||
334 | end: | |
335 | return ret; | |
336 | ||
337 | } | |
338 | ||
339 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( | |
340 | struct bt_ctf_event_class *event_class) | |
341 | { | |
dc3fffef PP |
342 | return event_class ? |
343 | bt_get(bt_ctf_event_class_borrow_stream_class(event_class)) : | |
344 | NULL; | |
272df73e PP |
345 | } |
346 | ||
347 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type( | |
348 | struct bt_ctf_event_class *event_class) | |
349 | { | |
350 | struct bt_ctf_field_type *payload = NULL; | |
351 | ||
352 | if (!event_class) { | |
353 | goto end; | |
354 | } | |
355 | ||
356 | bt_get(event_class->fields); | |
357 | payload = event_class->fields; | |
358 | end: | |
359 | return payload; | |
360 | } | |
361 | ||
362 | int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class, | |
363 | struct bt_ctf_field_type *payload) | |
364 | { | |
365 | int ret = 0; | |
366 | ||
835b2d10 JG |
367 | if (!event_class) { |
368 | ret = -1; | |
369 | goto end; | |
370 | } | |
371 | ||
372 | if (payload && bt_ctf_field_type_get_type_id(payload) != | |
1487a16a | 373 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
272df73e PP |
374 | ret = -1; |
375 | goto end; | |
376 | } | |
377 | ||
272df73e | 378 | bt_put(event_class->fields); |
835b2d10 | 379 | event_class->fields = bt_get(payload); |
272df73e PP |
380 | end: |
381 | return ret; | |
382 | } | |
383 | ||
384 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, | |
385 | struct bt_ctf_field_type *type, | |
386 | const char *name) | |
387 | { | |
388 | int ret = 0; | |
389 | ||
390 | if (!event_class || !type || bt_ctf_validate_identifier(name) || | |
391 | event_class->frozen) { | |
392 | ret = -1; | |
393 | goto end; | |
394 | } | |
395 | ||
396 | if (bt_ctf_field_type_get_type_id(event_class->fields) != | |
1487a16a | 397 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
272df73e PP |
398 | ret = -1; |
399 | goto end; | |
400 | } | |
401 | ||
402 | ret = bt_ctf_field_type_structure_add_field(event_class->fields, | |
403 | type, name); | |
404 | end: | |
405 | return ret; | |
406 | } | |
407 | ||
9ac68eb1 | 408 | int64_t bt_ctf_event_class_get_payload_type_field_count( |
272df73e PP |
409 | struct bt_ctf_event_class *event_class) |
410 | { | |
544d0515 | 411 | int64_t ret; |
272df73e PP |
412 | |
413 | if (!event_class) { | |
9ac68eb1 | 414 | ret = (int64_t) -1; |
272df73e PP |
415 | goto end; |
416 | } | |
417 | ||
418 | if (bt_ctf_field_type_get_type_id(event_class->fields) != | |
1487a16a | 419 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
9ac68eb1 | 420 | ret = (int64_t) -1; |
272df73e PP |
421 | goto end; |
422 | } | |
423 | ||
424 | ret = bt_ctf_field_type_structure_get_field_count(event_class->fields); | |
425 | end: | |
426 | return ret; | |
427 | } | |
428 | ||
9ac68eb1 PP |
429 | int bt_ctf_event_class_get_payload_type_field_by_index( |
430 | struct bt_ctf_event_class *event_class, | |
272df73e | 431 | const char **field_name, struct bt_ctf_field_type **field_type, |
9ac68eb1 | 432 | uint64_t index) |
272df73e PP |
433 | { |
434 | int ret; | |
435 | ||
9ac68eb1 | 436 | if (!event_class) { |
272df73e PP |
437 | ret = -1; |
438 | goto end; | |
439 | } | |
440 | ||
441 | if (bt_ctf_field_type_get_type_id(event_class->fields) != | |
1487a16a | 442 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
272df73e PP |
443 | ret = -1; |
444 | goto end; | |
445 | } | |
446 | ||
447 | ret = bt_ctf_field_type_structure_get_field(event_class->fields, | |
448 | field_name, field_type, index); | |
449 | end: | |
450 | return ret; | |
451 | } | |
452 | ||
9ac68eb1 PP |
453 | struct bt_ctf_field_type * |
454 | bt_ctf_event_class_get_payload_type_field_type_by_name( | |
272df73e PP |
455 | struct bt_ctf_event_class *event_class, const char *name) |
456 | { | |
457 | GQuark name_quark; | |
458 | struct bt_ctf_field_type *field_type = NULL; | |
459 | ||
460 | if (!event_class || !name) { | |
461 | goto end; | |
462 | } | |
463 | ||
464 | if (bt_ctf_field_type_get_type_id(event_class->fields) != | |
1487a16a | 465 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
272df73e PP |
466 | goto end; |
467 | } | |
468 | ||
469 | name_quark = g_quark_try_string(name); | |
470 | if (!name_quark) { | |
471 | goto end; | |
472 | } | |
473 | ||
474 | /* | |
475 | * No need to increment field_type's reference count since getting it | |
476 | * from the structure already does. | |
477 | */ | |
478 | field_type = bt_ctf_field_type_structure_get_field_type_by_name( | |
479 | event_class->fields, name); | |
480 | end: | |
481 | return field_type; | |
482 | } | |
483 | ||
484 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_type( | |
485 | struct bt_ctf_event_class *event_class) | |
486 | { | |
487 | struct bt_ctf_field_type *context_type = NULL; | |
488 | ||
489 | if (!event_class || !event_class->context) { | |
490 | goto end; | |
491 | } | |
492 | ||
493 | bt_get(event_class->context); | |
494 | context_type = event_class->context; | |
495 | end: | |
496 | return context_type; | |
497 | } | |
498 | ||
499 | int bt_ctf_event_class_set_context_type( | |
500 | struct bt_ctf_event_class *event_class, | |
501 | struct bt_ctf_field_type *context) | |
502 | { | |
503 | int ret = 0; | |
504 | ||
835b2d10 | 505 | if (!event_class || event_class->frozen) { |
272df73e PP |
506 | ret = -1; |
507 | goto end; | |
508 | } | |
509 | ||
835b2d10 | 510 | if (context && bt_ctf_field_type_get_type_id(context) != |
1487a16a | 511 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
272df73e PP |
512 | ret = -1; |
513 | goto end; | |
514 | } | |
515 | ||
272df73e | 516 | bt_put(event_class->context); |
835b2d10 | 517 | event_class->context = bt_get(context); |
272df73e PP |
518 | end: |
519 | return ret; | |
520 | ||
521 | } | |
522 | ||
523 | void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class) | |
524 | { | |
525 | bt_get(event_class); | |
526 | } | |
527 | ||
528 | void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class) | |
529 | { | |
530 | bt_put(event_class); | |
531 | } | |
532 | ||
533 | BT_HIDDEN | |
534 | int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class, | |
9ac68eb1 | 535 | uint64_t stream_id_param) |
272df73e PP |
536 | { |
537 | int ret = 0; | |
9ac68eb1 PP |
538 | struct bt_value *obj = NULL; |
539 | int64_t stream_id = (int64_t) stream_id_param; | |
540 | ||
541 | assert(event_class); | |
542 | ||
543 | if (stream_id < 0) { | |
544 | ret = -1; | |
545 | goto end; | |
546 | } | |
272df73e PP |
547 | |
548 | obj = bt_value_integer_create_init(stream_id); | |
549 | ||
550 | if (!obj) { | |
551 | ret = -1; | |
552 | goto end; | |
553 | } | |
554 | ||
555 | ret = bt_ctf_attributes_set_field_value(event_class->attributes, | |
556 | "stream_id", obj); | |
557 | ||
558 | if (event_class->frozen) { | |
559 | bt_ctf_attributes_freeze(event_class->attributes); | |
560 | } | |
561 | ||
562 | end: | |
563 | BT_PUT(obj); | |
564 | return ret; | |
565 | } | |
566 | ||
567 | static | |
568 | void bt_ctf_event_class_destroy(struct bt_object *obj) | |
569 | { | |
570 | struct bt_ctf_event_class *event_class; | |
571 | ||
572 | event_class = container_of(obj, struct bt_ctf_event_class, base); | |
573 | bt_ctf_attributes_destroy(event_class->attributes); | |
574 | bt_put(event_class->context); | |
575 | bt_put(event_class->fields); | |
576 | g_free(event_class); | |
577 | } | |
578 | ||
579 | BT_HIDDEN | |
580 | void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class) | |
581 | { | |
582 | assert(event_class); | |
583 | event_class->frozen = 1; | |
5990dd44 JG |
584 | event_class->name = bt_ctf_event_class_get_name(event_class); |
585 | event_class->id = bt_ctf_event_class_get_id(event_class); | |
272df73e PP |
586 | bt_ctf_field_type_freeze(event_class->context); |
587 | bt_ctf_field_type_freeze(event_class->fields); | |
588 | bt_ctf_attributes_freeze(event_class->attributes); | |
589 | } | |
590 | ||
591 | BT_HIDDEN | |
592 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
593 | struct metadata_context *context) | |
594 | { | |
544d0515 PP |
595 | int64_t i; |
596 | int64_t count; | |
272df73e PP |
597 | int ret = 0; |
598 | struct bt_value *attr_value = NULL; | |
599 | ||
600 | assert(event_class); | |
601 | assert(context); | |
602 | ||
603 | context->current_indentation_level = 1; | |
604 | g_string_assign(context->field_name, ""); | |
605 | g_string_append(context->string, "event {\n"); | |
606 | count = bt_ctf_event_class_get_attribute_count(event_class); | |
607 | ||
608 | if (count < 0) { | |
609 | ret = -1; | |
610 | goto end; | |
611 | } | |
612 | ||
613 | for (i = 0; i < count; ++i) { | |
614 | const char *attr_name = NULL; | |
615 | ||
9ac68eb1 | 616 | attr_name = bt_ctf_event_class_get_attribute_name_by_index( |
272df73e | 617 | event_class, i); |
9ac68eb1 | 618 | attr_value = bt_ctf_event_class_get_attribute_value_by_index( |
272df73e PP |
619 | event_class, i); |
620 | ||
621 | if (!attr_name || !attr_value) { | |
622 | ret = -1; | |
623 | goto end; | |
624 | } | |
625 | ||
626 | switch (bt_value_get_type(attr_value)) { | |
627 | case BT_VALUE_TYPE_INTEGER: | |
628 | { | |
629 | int64_t value; | |
630 | ||
631 | ret = bt_value_integer_get(attr_value, &value); | |
632 | ||
633 | if (ret) { | |
634 | goto end; | |
635 | } | |
636 | ||
637 | g_string_append_printf(context->string, | |
638 | "\t%s = %" PRId64 ";\n", attr_name, value); | |
639 | break; | |
640 | } | |
641 | ||
642 | case BT_VALUE_TYPE_STRING: | |
643 | { | |
644 | const char *value; | |
645 | ||
646 | ret = bt_value_string_get(attr_value, &value); | |
647 | ||
648 | if (ret) { | |
649 | goto end; | |
650 | } | |
651 | ||
652 | g_string_append_printf(context->string, | |
653 | "\t%s = \"%s\";\n", attr_name, value); | |
654 | break; | |
655 | } | |
656 | ||
657 | default: | |
658 | /* should never happen */ | |
659 | assert(false); | |
660 | break; | |
661 | } | |
662 | ||
663 | BT_PUT(attr_value); | |
664 | } | |
665 | ||
666 | if (event_class->context) { | |
667 | g_string_append(context->string, "\tcontext := "); | |
668 | ret = bt_ctf_field_type_serialize(event_class->context, | |
669 | context); | |
670 | if (ret) { | |
671 | goto end; | |
672 | } | |
673 | g_string_append(context->string, ";\n"); | |
674 | } | |
675 | ||
676 | if (event_class->fields) { | |
677 | g_string_append(context->string, "\tfields := "); | |
678 | ret = bt_ctf_field_type_serialize(event_class->fields, context); | |
679 | if (ret) { | |
680 | goto end; | |
681 | } | |
682 | g_string_append(context->string, ";\n"); | |
683 | } | |
684 | ||
685 | g_string_append(context->string, "};\n\n"); | |
686 | end: | |
687 | context->current_indentation_level = 0; | |
688 | BT_PUT(attr_value); | |
689 | return ret; | |
690 | } |