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3dca2276 PP |
1 | /* |
2 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | * of this software and associated documentation files (the "Software"), to deal | |
7 | * in the Software without restriction, including without limitation the rights | |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | * copies of the Software, and to permit persons to whom the Software is | |
10 | * furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
24 | #define BT_LOG_TAG "CTF-WRITER-EVENT-CLASS" | |
25 | #include <babeltrace/lib-logging-internal.h> | |
26 | ||
16ca5ff0 PP |
27 | #include <babeltrace/assert-pre-internal.h> |
28 | #include <babeltrace/assert-internal.h> | |
29 | #include <babeltrace/compiler-internal.h> | |
30 | #include <babeltrace/ctf-writer/attributes-internal.h> | |
31 | #include <babeltrace/ctf-writer/event-class-internal.h> | |
3dca2276 | 32 | #include <babeltrace/ctf-writer/event-internal.h> |
16ca5ff0 | 33 | #include <babeltrace/ctf-writer/event.h> |
3dca2276 | 34 | #include <babeltrace/ctf-writer/field-types-internal.h> |
16ca5ff0 PP |
35 | #include <babeltrace/ctf-writer/field-types.h> |
36 | #include <babeltrace/ctf-writer/fields-internal.h> | |
37 | #include <babeltrace/ctf-writer/stream-class-internal.h> | |
38 | #include <babeltrace/ctf-writer/stream-class.h> | |
39 | #include <babeltrace/ctf-writer/trace-internal.h> | |
40 | #include <babeltrace/ctf-writer/utils-internal.h> | |
41 | #include <babeltrace/ctf-writer/utils.h> | |
42 | #include <babeltrace/ctf-writer/validation-internal.h> | |
3dca2276 | 43 | #include <babeltrace/ctf-writer/writer-internal.h> |
16ca5ff0 | 44 | #include <babeltrace/endian-internal.h> |
3dca2276 | 45 | #include <babeltrace/ref.h> |
16ca5ff0 PP |
46 | #include <babeltrace/types.h> |
47 | #include <babeltrace/values-internal.h> | |
3dca2276 | 48 | #include <glib.h> |
16ca5ff0 PP |
49 | #include <inttypes.h> |
50 | #include <inttypes.h> | |
51 | #include <stdlib.h> | |
52 | ||
53 | BT_HIDDEN | |
54 | void bt_ctf_event_class_common_finalize(struct bt_object *obj) | |
55 | { | |
56 | struct bt_ctf_event_class_common *event_class; | |
57 | ||
58 | event_class = container_of(obj, struct bt_ctf_event_class_common, base); | |
59 | BT_LOGD("Finalizing common event class: addr=%p, name=\"%s\", id=%" PRId64, | |
60 | event_class, bt_ctf_event_class_common_get_name(event_class), | |
61 | bt_ctf_event_class_common_get_id(event_class)); | |
62 | ||
63 | if (event_class->name) { | |
64 | g_string_free(event_class->name, TRUE); | |
65 | } | |
66 | ||
67 | if (event_class->emf_uri) { | |
68 | g_string_free(event_class->emf_uri, TRUE); | |
69 | } | |
70 | ||
71 | BT_LOGD_STR("Putting context field type."); | |
72 | bt_put(event_class->context_field_type); | |
73 | BT_LOGD_STR("Putting payload field type."); | |
74 | bt_put(event_class->payload_field_type); | |
75 | } | |
76 | ||
77 | BT_HIDDEN | |
78 | int bt_ctf_event_class_common_initialize(struct bt_ctf_event_class_common *event_class, | |
79 | const char *name, bt_object_release_func release_func, | |
80 | bt_ctf_field_type_structure_create_func ft_struct_create_func) | |
81 | { | |
82 | int ret = 0; | |
83 | ||
84 | BT_LOGD("Initializing common event class object: name=\"%s\"", | |
85 | name); | |
86 | bt_object_init_shared_with_parent(&event_class->base, release_func); | |
87 | event_class->payload_field_type = ft_struct_create_func(); | |
88 | if (!event_class->payload_field_type) { | |
89 | BT_LOGE_STR("Cannot create event class's initial payload field type object."); | |
90 | goto error; | |
91 | } | |
92 | ||
93 | event_class->id = -1; | |
94 | event_class->name = g_string_new(name); | |
95 | if (!event_class->name) { | |
96 | BT_LOGE_STR("Failed to allocate a GString."); | |
97 | goto error; | |
98 | } | |
99 | ||
100 | event_class->emf_uri = g_string_new(NULL); | |
101 | if (!event_class->emf_uri) { | |
102 | BT_LOGE_STR("Failed to allocate a GString."); | |
103 | goto error; | |
104 | } | |
105 | ||
106 | event_class->log_level = BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED; | |
107 | BT_LOGD("Initialized common event class object: addr=%p, name=\"%s\"", | |
108 | event_class, bt_ctf_event_class_common_get_name(event_class)); | |
109 | return ret; | |
110 | ||
111 | error: | |
112 | ret = -1; | |
113 | return ret; | |
114 | } | |
115 | ||
116 | BT_HIDDEN | |
117 | void bt_ctf_event_class_common_freeze(struct bt_ctf_event_class_common *event_class) | |
118 | { | |
119 | BT_ASSERT(event_class); | |
120 | ||
121 | if (event_class->frozen) { | |
122 | return; | |
123 | } | |
124 | ||
125 | BT_LOGD("Freezing event class: addr=%p, name=\"%s\", id=%" PRId64, | |
126 | event_class, bt_ctf_event_class_common_get_name(event_class), | |
127 | bt_ctf_event_class_common_get_id(event_class)); | |
128 | event_class->frozen = 1; | |
129 | BT_LOGD_STR("Freezing event class's context field type."); | |
130 | bt_ctf_field_type_common_freeze(event_class->context_field_type); | |
131 | BT_LOGD_STR("Freezing event class's payload field type."); | |
132 | bt_ctf_field_type_common_freeze(event_class->payload_field_type); | |
133 | } | |
134 | ||
135 | BT_HIDDEN | |
136 | int bt_ctf_event_class_common_validate_single_clock_class( | |
137 | struct bt_ctf_event_class_common *event_class, | |
138 | struct bt_ctf_clock_class **expected_clock_class) | |
139 | { | |
140 | int ret = 0; | |
141 | ||
142 | BT_ASSERT(event_class); | |
143 | BT_ASSERT(expected_clock_class); | |
144 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
145 | event_class->context_field_type, | |
146 | expected_clock_class); | |
147 | if (ret) { | |
148 | BT_LOGW("Event class's context field type " | |
149 | "is not recursively mapped to the " | |
150 | "expected clock class: " | |
151 | "event-class-addr=%p, " | |
152 | "event-class-name=\"%s\", " | |
153 | "event-class-id=%" PRId64 ", " | |
154 | "ft-addr=%p", | |
155 | event_class, | |
156 | bt_ctf_event_class_common_get_name(event_class), | |
157 | event_class->id, | |
158 | event_class->context_field_type); | |
159 | goto end; | |
160 | } | |
161 | ||
162 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
163 | event_class->payload_field_type, | |
164 | expected_clock_class); | |
165 | if (ret) { | |
166 | BT_LOGW("Event class's payload field type " | |
167 | "is not recursively mapped to the " | |
168 | "expected clock class: " | |
169 | "event-class-addr=%p, " | |
170 | "event-class-name=\"%s\", " | |
171 | "event-class-id=%" PRId64 ", " | |
172 | "ft-addr=%p", | |
173 | event_class, | |
174 | bt_ctf_event_class_common_get_name(event_class), | |
175 | event_class->id, | |
176 | event_class->payload_field_type); | |
177 | goto end; | |
178 | } | |
179 | ||
180 | end: | |
181 | return ret; | |
182 | } | |
3dca2276 PP |
183 | |
184 | static | |
185 | void bt_ctf_event_class_destroy(struct bt_object *obj) | |
186 | { | |
16ca5ff0 | 187 | bt_ctf_event_class_common_finalize(obj); |
3dca2276 PP |
188 | g_free(obj); |
189 | } | |
190 | ||
191 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
192 | { | |
193 | struct bt_ctf_event_class *ctf_event_class = NULL; | |
194 | int ret; | |
195 | ||
196 | if (!name) { | |
197 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
198 | goto error; | |
199 | } | |
200 | ||
201 | BT_LOGD("Creating event class object: name=\"%s\"", | |
202 | name); | |
203 | ctf_event_class = g_new0(struct bt_ctf_event_class, 1); | |
204 | if (!ctf_event_class) { | |
205 | BT_LOGE_STR("Failed to allocate one event class."); | |
206 | goto error; | |
207 | } | |
208 | ||
16ca5ff0 | 209 | ret = bt_ctf_event_class_common_initialize(BT_CTF_TO_COMMON(ctf_event_class), |
3dca2276 | 210 | name, bt_ctf_event_class_destroy, |
16ca5ff0 | 211 | (bt_ctf_field_type_structure_create_func) |
3dca2276 PP |
212 | bt_ctf_field_type_structure_create); |
213 | if (ret) { | |
214 | goto error; | |
215 | } | |
216 | ||
217 | goto end; | |
218 | ||
219 | error: | |
220 | bt_put(ctf_event_class); | |
221 | ||
222 | end: | |
223 | return ctf_event_class; | |
224 | } | |
225 | ||
226 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) | |
227 | { | |
16ca5ff0 | 228 | return bt_ctf_event_class_common_get_name(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
229 | } |
230 | ||
231 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
232 | { | |
16ca5ff0 | 233 | return bt_ctf_event_class_common_get_id(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
234 | } |
235 | ||
236 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
237 | uint64_t id) | |
238 | { | |
16ca5ff0 | 239 | return bt_ctf_event_class_common_set_id(BT_CTF_TO_COMMON(event_class), id); |
3dca2276 PP |
240 | } |
241 | ||
242 | enum bt_ctf_event_class_log_level bt_ctf_event_class_get_log_level( | |
243 | struct bt_ctf_event_class *event_class) | |
244 | { | |
16ca5ff0 | 245 | return bt_ctf_event_class_common_get_log_level(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
246 | } |
247 | ||
248 | int bt_ctf_event_class_set_log_level(struct bt_ctf_event_class *event_class, | |
249 | enum bt_ctf_event_class_log_level log_level) | |
250 | { | |
16ca5ff0 | 251 | return bt_ctf_event_class_common_set_log_level(BT_CTF_TO_COMMON(event_class), |
3dca2276 PP |
252 | log_level); |
253 | } | |
254 | ||
255 | const char *bt_ctf_event_class_get_emf_uri( | |
256 | struct bt_ctf_event_class *event_class) | |
257 | { | |
16ca5ff0 | 258 | return bt_ctf_event_class_common_get_emf_uri(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
259 | } |
260 | ||
261 | int bt_ctf_event_class_set_emf_uri(struct bt_ctf_event_class *event_class, | |
262 | const char *emf_uri) | |
263 | { | |
16ca5ff0 | 264 | return bt_ctf_event_class_common_set_emf_uri(BT_CTF_TO_COMMON(event_class), |
3dca2276 PP |
265 | emf_uri); |
266 | } | |
267 | ||
268 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( | |
269 | struct bt_ctf_event_class *event_class) | |
270 | { | |
271 | BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); | |
16ca5ff0 PP |
272 | return bt_get(bt_ctf_event_class_common_borrow_stream_class( |
273 | BT_CTF_TO_COMMON(event_class))); | |
3dca2276 PP |
274 | } |
275 | ||
276 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_field_type( | |
277 | struct bt_ctf_event_class *event_class) | |
278 | { | |
16ca5ff0 PP |
279 | return bt_get(bt_ctf_event_class_common_borrow_payload_field_type( |
280 | BT_CTF_TO_COMMON(event_class))); | |
3dca2276 PP |
281 | } |
282 | ||
283 | int bt_ctf_event_class_set_payload_field_type( | |
284 | struct bt_ctf_event_class *event_class, | |
285 | struct bt_ctf_field_type *field_type) | |
286 | { | |
16ca5ff0 PP |
287 | return bt_ctf_event_class_common_set_payload_field_type( |
288 | BT_CTF_TO_COMMON(event_class), (void *) field_type); | |
3dca2276 PP |
289 | } |
290 | ||
291 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_field_type( | |
292 | struct bt_ctf_event_class *event_class) | |
293 | { | |
16ca5ff0 PP |
294 | return bt_get(bt_ctf_event_class_common_borrow_context_field_type( |
295 | BT_CTF_TO_COMMON(event_class))); | |
3dca2276 PP |
296 | } |
297 | ||
298 | int bt_ctf_event_class_set_context_field_type( | |
299 | struct bt_ctf_event_class *event_class, | |
300 | struct bt_ctf_field_type *field_type) | |
301 | { | |
16ca5ff0 PP |
302 | return bt_ctf_event_class_common_set_context_field_type( |
303 | BT_CTF_TO_COMMON(event_class), (void *) field_type); | |
3dca2276 PP |
304 | } |
305 | ||
306 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, | |
307 | struct bt_ctf_field_type *type, | |
308 | const char *name) | |
309 | { | |
310 | int ret = 0; | |
311 | ||
312 | if (!event_class || !type) { | |
313 | BT_LOGW("Invalid parameter: event class or field type is NULL: " | |
314 | "event-class-addr=%p, field-type-addr=%p", | |
315 | event_class, type); | |
316 | ret = -1; | |
317 | goto end; | |
318 | } | |
319 | ||
16ca5ff0 | 320 | if (!bt_ctf_identifier_is_valid(name)) { |
3dca2276 PP |
321 | BT_LOGW("Invalid parameter: event class's payload field type's field name is not a valid CTF identifier: " |
322 | "addr=%p, name=\"%s\", id=%" PRId64 ", field-name=\"%s\"", | |
323 | event_class, bt_ctf_event_class_get_name(event_class), | |
324 | bt_ctf_event_class_get_id(event_class), | |
325 | name); | |
326 | ret = -1; | |
327 | goto end; | |
328 | } | |
329 | ||
330 | if (event_class->common.frozen) { | |
331 | BT_LOGW("Invalid parameter: event class is frozen: " | |
332 | "addr=%p, name=\"%s\", id=%" PRId64, | |
333 | event_class, bt_ctf_event_class_get_name(event_class), | |
334 | bt_ctf_event_class_get_id(event_class)); | |
335 | ret = -1; | |
336 | goto end; | |
337 | } | |
338 | ||
339 | if (!event_class->common.payload_field_type) { | |
340 | BT_LOGW("Event class has no payload field type: " | |
341 | "addr=%p, name=\"%s\", id=%" PRId64, | |
342 | event_class, bt_ctf_event_class_get_name(event_class), | |
343 | bt_ctf_event_class_get_id(event_class)); | |
344 | ret = -1; | |
345 | goto end; | |
346 | } | |
347 | ||
16ca5ff0 | 348 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 349 | event_class->common.payload_field_type) == |
16ca5ff0 | 350 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
351 | ret = bt_ctf_field_type_structure_add_field( |
352 | (void *) event_class->common.payload_field_type, | |
353 | (void *) type, name); | |
354 | BT_LOGV("Added field to event class's payload field type: " | |
355 | "event-class-addr=%p, event-class-name=\"%s\", " | |
356 | "event-class-id=%" PRId64 ", field-name=\"%s\", ft-addr=%p", | |
357 | event_class, bt_ctf_event_class_get_name(event_class), | |
358 | bt_ctf_event_class_get_id(event_class), name, type); | |
359 | end: | |
360 | return ret; | |
361 | } | |
362 | ||
363 | int64_t bt_ctf_event_class_get_payload_type_field_count( | |
364 | struct bt_ctf_event_class *event_class) | |
365 | { | |
366 | int64_t ret; | |
367 | ||
368 | if (!event_class) { | |
369 | BT_LOGW_STR("Invalid parameter: event class is NULL."); | |
370 | ret = (int64_t) -1; | |
371 | goto end; | |
372 | } | |
373 | ||
374 | if (!event_class->common.payload_field_type) { | |
375 | BT_LOGV("Event class has no payload field type: " | |
376 | "addr=%p, name=\"%s\", id=%" PRId64, | |
377 | event_class, bt_ctf_event_class_get_name(event_class), | |
378 | bt_ctf_event_class_get_id(event_class)); | |
379 | ret = (int64_t) -1; | |
380 | goto end; | |
381 | } | |
382 | ||
16ca5ff0 | 383 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 384 | event_class->common.payload_field_type) == |
16ca5ff0 PP |
385 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
386 | ret = bt_ctf_field_type_common_structure_get_field_count( | |
3dca2276 PP |
387 | event_class->common.payload_field_type); |
388 | end: | |
389 | return ret; | |
390 | } | |
391 | ||
392 | int bt_ctf_event_class_get_payload_type_field_by_index( | |
393 | struct bt_ctf_event_class *event_class, | |
394 | const char **field_name, struct bt_ctf_field_type **field_type, | |
395 | uint64_t index) | |
396 | { | |
397 | int ret; | |
398 | ||
399 | if (!event_class) { | |
400 | BT_LOGW_STR("Invalid parameter: event class is NULL."); | |
401 | ret = -1; | |
402 | goto end; | |
403 | } | |
404 | ||
405 | if (!event_class->common.payload_field_type) { | |
406 | BT_LOGV("Event class has no payload field type: " | |
407 | "addr=%p, name=\"%s\", id=%" PRId64 ", index=%" PRIu64, | |
408 | event_class, bt_ctf_event_class_get_name(event_class), | |
409 | bt_ctf_event_class_get_id(event_class), index); | |
410 | ret = -1; | |
411 | goto end; | |
412 | } | |
413 | ||
16ca5ff0 | 414 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 415 | event_class->common.payload_field_type) == |
16ca5ff0 | 416 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
417 | ret = bt_ctf_field_type_structure_get_field_by_index( |
418 | (void *) event_class->common.payload_field_type, | |
419 | field_name, (void *) field_type, index); | |
420 | ||
421 | end: | |
422 | return ret; | |
423 | } | |
424 | ||
16ca5ff0 | 425 | struct bt_ctf_field_type * |
3dca2276 PP |
426 | bt_ctf_event_class_get_payload_type_field_type_by_name( |
427 | struct bt_ctf_event_class *event_class, const char *name) | |
428 | { | |
429 | GQuark name_quark; | |
16ca5ff0 | 430 | struct bt_ctf_field_type *field_type = NULL; |
3dca2276 PP |
431 | |
432 | if (!event_class || !name) { | |
433 | BT_LOGW("Invalid parameter: event class or name is NULL: " | |
434 | "event-class-addr=%p, name-addr=%p", | |
435 | event_class, name); | |
436 | goto end; | |
437 | } | |
438 | ||
439 | if (!event_class->common.payload_field_type) { | |
440 | BT_LOGV("Event class has no payload field type: " | |
441 | "addr=%p, name=\"%s\", id=%" PRId64, | |
442 | event_class, bt_ctf_event_class_get_name(event_class), | |
443 | bt_ctf_event_class_get_id(event_class)); | |
444 | goto end; | |
445 | } | |
446 | ||
16ca5ff0 | 447 | BT_ASSERT(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 448 | event_class->common.payload_field_type) == |
16ca5ff0 | 449 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
450 | name_quark = g_quark_try_string(name); |
451 | if (!name_quark) { | |
452 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); | |
453 | goto end; | |
454 | } | |
455 | ||
456 | /* | |
457 | * No need to increment field_type's reference count since getting it | |
458 | * from the structure already does. | |
459 | */ | |
460 | field_type = (void *) | |
461 | bt_ctf_field_type_structure_get_field_type_by_name( | |
462 | (void *) event_class->common.payload_field_type, name); | |
463 | ||
464 | end: | |
465 | return field_type; | |
466 | } | |
467 | ||
468 | BT_HIDDEN | |
469 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
470 | struct metadata_context *context) | |
471 | { | |
472 | int ret = 0; | |
473 | struct bt_value *attr_value = NULL; | |
474 | ||
475 | BT_ASSERT(event_class); | |
476 | BT_ASSERT(context); | |
477 | BT_LOGD("Serializing event class's metadata: " | |
478 | "event-class-addr=%p, event-class-name=\"%s\", " | |
479 | "event-class-id=%" PRId64 ", metadata-context-addr=%p", | |
480 | event_class, bt_ctf_event_class_get_name(event_class), | |
481 | bt_ctf_event_class_get_id(event_class), context); | |
482 | context->current_indentation_level = 1; | |
483 | g_string_assign(context->field_name, ""); | |
484 | g_string_append(context->string, "event {\n"); | |
485 | ||
486 | /* Serialize attributes */ | |
487 | g_string_append_printf(context->string, "\tname = \"%s\";\n", | |
488 | event_class->common.name->str); | |
489 | BT_ASSERT(event_class->common.id >= 0); | |
490 | g_string_append_printf(context->string, "\tid = %" PRId64 ";\n", | |
491 | event_class->common.id); | |
492 | g_string_append_printf(context->string, "\tstream_id = %" PRId64 ";\n", | |
16ca5ff0 PP |
493 | bt_ctf_stream_class_common_get_id( |
494 | bt_ctf_event_class_common_borrow_stream_class( | |
495 | BT_CTF_TO_COMMON(event_class)))); | |
3dca2276 PP |
496 | |
497 | if (event_class->common.log_level != | |
16ca5ff0 | 498 | BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED) { |
3dca2276 PP |
499 | g_string_append_printf(context->string, "\tloglevel = %d;\n", |
500 | (int) event_class->common.log_level); | |
501 | } | |
502 | ||
503 | if (event_class->common.emf_uri->len > 0) { | |
504 | g_string_append_printf(context->string, "\tmodel.emf.uri = \"%s\";\n", | |
505 | event_class->common.emf_uri->str); | |
506 | } | |
507 | ||
508 | /* Serialize context field type */ | |
509 | if (event_class->common.context_field_type) { | |
510 | g_string_append(context->string, "\tcontext := "); | |
511 | BT_LOGD_STR("Serializing event class's context field type metadata."); | |
512 | ret = bt_ctf_field_type_serialize_recursive( | |
513 | (void *) event_class->common.context_field_type, | |
514 | context); | |
515 | if (ret) { | |
516 | BT_LOGW("Cannot serialize event class's context field type's metadata: " | |
517 | "ret=%d", ret); | |
518 | goto end; | |
519 | } | |
520 | g_string_append(context->string, ";\n"); | |
521 | } | |
522 | ||
523 | /* Serialize payload field type */ | |
524 | if (event_class->common.payload_field_type) { | |
525 | g_string_append(context->string, "\tfields := "); | |
526 | BT_LOGD_STR("Serializing event class's payload field type metadata."); | |
527 | ret = bt_ctf_field_type_serialize_recursive( | |
528 | (void *) event_class->common.payload_field_type, | |
529 | context); | |
530 | if (ret) { | |
531 | BT_LOGW("Cannot serialize event class's payload field type's metadata: " | |
532 | "ret=%d", ret); | |
533 | goto end; | |
534 | } | |
535 | g_string_append(context->string, ";\n"); | |
536 | } | |
537 | ||
538 | g_string_append(context->string, "};\n\n"); | |
539 | ||
540 | end: | |
541 | context->current_indentation_level = 0; | |
542 | BT_PUT(attr_value); | |
543 | return ret; | |
544 | } | |
545 | ||
546 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
547 | struct bt_ctf_event_class *event_class, const char *name) | |
548 | { | |
549 | GQuark name_quark; | |
550 | struct bt_ctf_field_type *field_type = NULL; | |
551 | ||
552 | if (!event_class || !name) { | |
553 | BT_LOGW("Invalid parameter: event class or name is NULL: " | |
554 | "event-class-addr=%p, name-addr=%p", | |
555 | event_class, name); | |
556 | goto end; | |
557 | } | |
558 | ||
559 | if (!event_class->common.payload_field_type) { | |
560 | BT_LOGV("Event class has no payload field type: " | |
561 | "addr=%p, name=\"%s\", id=%" PRId64, | |
562 | event_class, | |
563 | bt_ctf_event_class_get_name(event_class), | |
564 | bt_ctf_event_class_get_id(event_class)); | |
565 | goto end; | |
566 | } | |
567 | ||
568 | BT_ASSERT(event_class->common.payload_field_type->id == | |
16ca5ff0 | 569 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
570 | name_quark = g_quark_try_string(name); |
571 | if (!name_quark) { | |
572 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); | |
573 | goto end; | |
574 | } | |
575 | ||
576 | /* | |
577 | * No need to increment field_type's reference count since getting it | |
578 | * from the structure already does. | |
579 | */ | |
094ff7c0 | 580 | field_type = bt_get( |
16ca5ff0 | 581 | bt_ctf_field_type_common_structure_borrow_field_type_by_name( |
094ff7c0 | 582 | event_class->common.payload_field_type, name)); |
3dca2276 PP |
583 | |
584 | end: | |
585 | return field_type; | |
586 | } |