Commit | Line | Data |
---|---|---|
3dca2276 | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
3dca2276 PP |
4 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
5 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> | |
3dca2276 PP |
6 | */ |
7 | ||
350ad6c1 | 8 | #define BT_LOG_TAG "CTF-WRITER/EVENT-CLASS" |
67d2ce02 | 9 | #include "logging.h" |
3dca2276 | 10 | |
578e048b MJ |
11 | #include <glib.h> |
12 | #include <inttypes.h> | |
13 | #include <stdlib.h> | |
14 | ||
217cf9d3 PP |
15 | #include <babeltrace2-ctf-writer/event.h> |
16 | #include <babeltrace2-ctf-writer/field-types.h> | |
17 | #include <babeltrace2-ctf-writer/object.h> | |
18 | #include <babeltrace2-ctf-writer/stream-class.h> | |
19 | #include <babeltrace2-ctf-writer/utils.h> | |
3fadfbc0 | 20 | #include <babeltrace2/types.h> |
578e048b MJ |
21 | |
22 | #include "common/assert.h" | |
23 | #include "compat/compiler.h" | |
24 | #include "compat/endian.h" | |
25 | ||
26 | #include "assert-pre.h" | |
27 | #include "attributes.h" | |
28 | #include "event-class.h" | |
29 | #include "event.h" | |
30 | #include "fields.h" | |
31 | #include "field-types.h" | |
32 | #include "stream-class.h" | |
33 | #include "trace.h" | |
34 | #include "utils.h" | |
35 | #include "validation.h" | |
36 | #include "values.h" | |
37 | #include "writer.h" | |
16ca5ff0 PP |
38 | |
39 | BT_HIDDEN | |
e1e02a22 | 40 | void bt_ctf_event_class_common_finalize(struct bt_ctf_object *obj) |
16ca5ff0 PP |
41 | { |
42 | struct bt_ctf_event_class_common *event_class; | |
43 | ||
44 | event_class = container_of(obj, struct bt_ctf_event_class_common, base); | |
45 | BT_LOGD("Finalizing common event class: addr=%p, name=\"%s\", id=%" PRId64, | |
46 | event_class, bt_ctf_event_class_common_get_name(event_class), | |
47 | bt_ctf_event_class_common_get_id(event_class)); | |
48 | ||
49 | if (event_class->name) { | |
50 | g_string_free(event_class->name, TRUE); | |
51 | } | |
52 | ||
53 | if (event_class->emf_uri) { | |
54 | g_string_free(event_class->emf_uri, TRUE); | |
55 | } | |
56 | ||
57 | BT_LOGD_STR("Putting context field type."); | |
e1e02a22 | 58 | bt_ctf_object_put_ref(event_class->context_field_type); |
16ca5ff0 | 59 | BT_LOGD_STR("Putting payload field type."); |
e1e02a22 | 60 | bt_ctf_object_put_ref(event_class->payload_field_type); |
16ca5ff0 PP |
61 | } |
62 | ||
63 | BT_HIDDEN | |
64 | int bt_ctf_event_class_common_initialize(struct bt_ctf_event_class_common *event_class, | |
e1e02a22 | 65 | const char *name, bt_ctf_object_release_func release_func, |
16ca5ff0 PP |
66 | bt_ctf_field_type_structure_create_func ft_struct_create_func) |
67 | { | |
68 | int ret = 0; | |
69 | ||
70 | BT_LOGD("Initializing common event class object: name=\"%s\"", | |
71 | name); | |
e1e02a22 | 72 | bt_ctf_object_init_shared_with_parent(&event_class->base, release_func); |
16ca5ff0 PP |
73 | event_class->payload_field_type = ft_struct_create_func(); |
74 | if (!event_class->payload_field_type) { | |
75 | BT_LOGE_STR("Cannot create event class's initial payload field type object."); | |
76 | goto error; | |
77 | } | |
78 | ||
79 | event_class->id = -1; | |
80 | event_class->name = g_string_new(name); | |
81 | if (!event_class->name) { | |
82 | BT_LOGE_STR("Failed to allocate a GString."); | |
83 | goto error; | |
84 | } | |
85 | ||
86 | event_class->emf_uri = g_string_new(NULL); | |
87 | if (!event_class->emf_uri) { | |
88 | BT_LOGE_STR("Failed to allocate a GString."); | |
89 | goto error; | |
90 | } | |
91 | ||
92 | event_class->log_level = BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED; | |
93 | BT_LOGD("Initialized common event class object: addr=%p, name=\"%s\"", | |
94 | event_class, bt_ctf_event_class_common_get_name(event_class)); | |
95 | return ret; | |
96 | ||
97 | error: | |
98 | ret = -1; | |
99 | return ret; | |
100 | } | |
101 | ||
102 | BT_HIDDEN | |
103 | void bt_ctf_event_class_common_freeze(struct bt_ctf_event_class_common *event_class) | |
104 | { | |
98b15851 | 105 | BT_ASSERT_DBG(event_class); |
16ca5ff0 PP |
106 | |
107 | if (event_class->frozen) { | |
108 | return; | |
109 | } | |
110 | ||
111 | BT_LOGD("Freezing event class: addr=%p, name=\"%s\", id=%" PRId64, | |
112 | event_class, bt_ctf_event_class_common_get_name(event_class), | |
113 | bt_ctf_event_class_common_get_id(event_class)); | |
114 | event_class->frozen = 1; | |
115 | BT_LOGD_STR("Freezing event class's context field type."); | |
116 | bt_ctf_field_type_common_freeze(event_class->context_field_type); | |
117 | BT_LOGD_STR("Freezing event class's payload field type."); | |
118 | bt_ctf_field_type_common_freeze(event_class->payload_field_type); | |
119 | } | |
120 | ||
121 | BT_HIDDEN | |
122 | int bt_ctf_event_class_common_validate_single_clock_class( | |
123 | struct bt_ctf_event_class_common *event_class, | |
124 | struct bt_ctf_clock_class **expected_clock_class) | |
125 | { | |
126 | int ret = 0; | |
127 | ||
98b15851 PP |
128 | BT_ASSERT_DBG(event_class); |
129 | BT_ASSERT_DBG(expected_clock_class); | |
16ca5ff0 PP |
130 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
131 | event_class->context_field_type, | |
132 | expected_clock_class); | |
133 | if (ret) { | |
134 | BT_LOGW("Event class's context field type " | |
135 | "is not recursively mapped to the " | |
136 | "expected clock class: " | |
137 | "event-class-addr=%p, " | |
138 | "event-class-name=\"%s\", " | |
139 | "event-class-id=%" PRId64 ", " | |
140 | "ft-addr=%p", | |
141 | event_class, | |
142 | bt_ctf_event_class_common_get_name(event_class), | |
143 | event_class->id, | |
144 | event_class->context_field_type); | |
145 | goto end; | |
146 | } | |
147 | ||
148 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
149 | event_class->payload_field_type, | |
150 | expected_clock_class); | |
151 | if (ret) { | |
152 | BT_LOGW("Event class's payload field type " | |
153 | "is not recursively mapped to the " | |
154 | "expected clock class: " | |
155 | "event-class-addr=%p, " | |
156 | "event-class-name=\"%s\", " | |
157 | "event-class-id=%" PRId64 ", " | |
158 | "ft-addr=%p", | |
159 | event_class, | |
160 | bt_ctf_event_class_common_get_name(event_class), | |
161 | event_class->id, | |
162 | event_class->payload_field_type); | |
163 | goto end; | |
164 | } | |
165 | ||
166 | end: | |
167 | return ret; | |
168 | } | |
3dca2276 PP |
169 | |
170 | static | |
e1e02a22 | 171 | void bt_ctf_event_class_destroy(struct bt_ctf_object *obj) |
3dca2276 | 172 | { |
16ca5ff0 | 173 | bt_ctf_event_class_common_finalize(obj); |
3dca2276 PP |
174 | g_free(obj); |
175 | } | |
176 | ||
177 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
178 | { | |
179 | struct bt_ctf_event_class *ctf_event_class = NULL; | |
180 | int ret; | |
181 | ||
182 | if (!name) { | |
183 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
184 | goto error; | |
185 | } | |
186 | ||
187 | BT_LOGD("Creating event class object: name=\"%s\"", | |
188 | name); | |
189 | ctf_event_class = g_new0(struct bt_ctf_event_class, 1); | |
190 | if (!ctf_event_class) { | |
191 | BT_LOGE_STR("Failed to allocate one event class."); | |
192 | goto error; | |
193 | } | |
194 | ||
16ca5ff0 | 195 | ret = bt_ctf_event_class_common_initialize(BT_CTF_TO_COMMON(ctf_event_class), |
3dca2276 | 196 | name, bt_ctf_event_class_destroy, |
16ca5ff0 | 197 | (bt_ctf_field_type_structure_create_func) |
3dca2276 PP |
198 | bt_ctf_field_type_structure_create); |
199 | if (ret) { | |
200 | goto error; | |
201 | } | |
202 | ||
203 | goto end; | |
204 | ||
205 | error: | |
e1e02a22 | 206 | bt_ctf_object_put_ref(ctf_event_class); |
3dca2276 PP |
207 | |
208 | end: | |
209 | return ctf_event_class; | |
210 | } | |
211 | ||
212 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) | |
213 | { | |
16ca5ff0 | 214 | return bt_ctf_event_class_common_get_name(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
215 | } |
216 | ||
217 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
218 | { | |
16ca5ff0 | 219 | return bt_ctf_event_class_common_get_id(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
220 | } |
221 | ||
222 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
223 | uint64_t id) | |
224 | { | |
16ca5ff0 | 225 | return bt_ctf_event_class_common_set_id(BT_CTF_TO_COMMON(event_class), id); |
3dca2276 PP |
226 | } |
227 | ||
228 | enum bt_ctf_event_class_log_level bt_ctf_event_class_get_log_level( | |
229 | struct bt_ctf_event_class *event_class) | |
230 | { | |
16ca5ff0 | 231 | return bt_ctf_event_class_common_get_log_level(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
232 | } |
233 | ||
234 | int bt_ctf_event_class_set_log_level(struct bt_ctf_event_class *event_class, | |
235 | enum bt_ctf_event_class_log_level log_level) | |
236 | { | |
16ca5ff0 | 237 | return bt_ctf_event_class_common_set_log_level(BT_CTF_TO_COMMON(event_class), |
3dca2276 PP |
238 | log_level); |
239 | } | |
240 | ||
241 | const char *bt_ctf_event_class_get_emf_uri( | |
242 | struct bt_ctf_event_class *event_class) | |
243 | { | |
16ca5ff0 | 244 | return bt_ctf_event_class_common_get_emf_uri(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
245 | } |
246 | ||
247 | int bt_ctf_event_class_set_emf_uri(struct bt_ctf_event_class *event_class, | |
248 | const char *emf_uri) | |
249 | { | |
16ca5ff0 | 250 | return bt_ctf_event_class_common_set_emf_uri(BT_CTF_TO_COMMON(event_class), |
3dca2276 PP |
251 | emf_uri); |
252 | } | |
253 | ||
254 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( | |
255 | struct bt_ctf_event_class *event_class) | |
256 | { | |
67d2ce02 | 257 | BT_CTF_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
e1e02a22 | 258 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_stream_class( |
16ca5ff0 | 259 | BT_CTF_TO_COMMON(event_class))); |
3dca2276 PP |
260 | } |
261 | ||
262 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_field_type( | |
263 | struct bt_ctf_event_class *event_class) | |
264 | { | |
e1e02a22 | 265 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_payload_field_type( |
16ca5ff0 | 266 | BT_CTF_TO_COMMON(event_class))); |
3dca2276 PP |
267 | } |
268 | ||
269 | int bt_ctf_event_class_set_payload_field_type( | |
270 | struct bt_ctf_event_class *event_class, | |
271 | struct bt_ctf_field_type *field_type) | |
272 | { | |
16ca5ff0 PP |
273 | return bt_ctf_event_class_common_set_payload_field_type( |
274 | BT_CTF_TO_COMMON(event_class), (void *) field_type); | |
3dca2276 PP |
275 | } |
276 | ||
277 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_field_type( | |
278 | struct bt_ctf_event_class *event_class) | |
279 | { | |
e1e02a22 | 280 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_context_field_type( |
16ca5ff0 | 281 | BT_CTF_TO_COMMON(event_class))); |
3dca2276 PP |
282 | } |
283 | ||
284 | int bt_ctf_event_class_set_context_field_type( | |
285 | struct bt_ctf_event_class *event_class, | |
286 | struct bt_ctf_field_type *field_type) | |
287 | { | |
16ca5ff0 PP |
288 | return bt_ctf_event_class_common_set_context_field_type( |
289 | BT_CTF_TO_COMMON(event_class), (void *) field_type); | |
3dca2276 PP |
290 | } |
291 | ||
292 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, | |
293 | struct bt_ctf_field_type *type, | |
294 | const char *name) | |
295 | { | |
296 | int ret = 0; | |
297 | ||
298 | if (!event_class || !type) { | |
299 | BT_LOGW("Invalid parameter: event class or field type is NULL: " | |
300 | "event-class-addr=%p, field-type-addr=%p", | |
301 | event_class, type); | |
302 | ret = -1; | |
303 | goto end; | |
304 | } | |
305 | ||
16ca5ff0 | 306 | if (!bt_ctf_identifier_is_valid(name)) { |
3dca2276 PP |
307 | BT_LOGW("Invalid parameter: event class's payload field type's field name is not a valid CTF identifier: " |
308 | "addr=%p, name=\"%s\", id=%" PRId64 ", field-name=\"%s\"", | |
309 | event_class, bt_ctf_event_class_get_name(event_class), | |
310 | bt_ctf_event_class_get_id(event_class), | |
311 | name); | |
312 | ret = -1; | |
313 | goto end; | |
314 | } | |
315 | ||
316 | if (event_class->common.frozen) { | |
317 | BT_LOGW("Invalid parameter: event class is frozen: " | |
318 | "addr=%p, name=\"%s\", id=%" PRId64, | |
319 | event_class, bt_ctf_event_class_get_name(event_class), | |
320 | bt_ctf_event_class_get_id(event_class)); | |
321 | ret = -1; | |
322 | goto end; | |
323 | } | |
324 | ||
325 | if (!event_class->common.payload_field_type) { | |
326 | BT_LOGW("Event class has no payload field type: " | |
327 | "addr=%p, name=\"%s\", id=%" PRId64, | |
328 | event_class, bt_ctf_event_class_get_name(event_class), | |
329 | bt_ctf_event_class_get_id(event_class)); | |
330 | ret = -1; | |
331 | goto end; | |
332 | } | |
333 | ||
98b15851 | 334 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 335 | event_class->common.payload_field_type) == |
16ca5ff0 | 336 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
337 | ret = bt_ctf_field_type_structure_add_field( |
338 | (void *) event_class->common.payload_field_type, | |
339 | (void *) type, name); | |
ef267d12 | 340 | BT_LOGT("Added field to event class's payload field type: " |
3dca2276 PP |
341 | "event-class-addr=%p, event-class-name=\"%s\", " |
342 | "event-class-id=%" PRId64 ", field-name=\"%s\", ft-addr=%p", | |
343 | event_class, bt_ctf_event_class_get_name(event_class), | |
344 | bt_ctf_event_class_get_id(event_class), name, type); | |
345 | end: | |
346 | return ret; | |
347 | } | |
348 | ||
349 | int64_t bt_ctf_event_class_get_payload_type_field_count( | |
350 | struct bt_ctf_event_class *event_class) | |
351 | { | |
352 | int64_t ret; | |
353 | ||
354 | if (!event_class) { | |
355 | BT_LOGW_STR("Invalid parameter: event class is NULL."); | |
356 | ret = (int64_t) -1; | |
357 | goto end; | |
358 | } | |
359 | ||
360 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 361 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
362 | "addr=%p, name=\"%s\", id=%" PRId64, |
363 | event_class, bt_ctf_event_class_get_name(event_class), | |
364 | bt_ctf_event_class_get_id(event_class)); | |
365 | ret = (int64_t) -1; | |
366 | goto end; | |
367 | } | |
368 | ||
98b15851 | 369 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 370 | event_class->common.payload_field_type) == |
16ca5ff0 PP |
371 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
372 | ret = bt_ctf_field_type_common_structure_get_field_count( | |
3dca2276 PP |
373 | event_class->common.payload_field_type); |
374 | end: | |
375 | return ret; | |
376 | } | |
377 | ||
378 | int bt_ctf_event_class_get_payload_type_field_by_index( | |
379 | struct bt_ctf_event_class *event_class, | |
380 | const char **field_name, struct bt_ctf_field_type **field_type, | |
381 | uint64_t index) | |
382 | { | |
383 | int ret; | |
384 | ||
385 | if (!event_class) { | |
386 | BT_LOGW_STR("Invalid parameter: event class is NULL."); | |
387 | ret = -1; | |
388 | goto end; | |
389 | } | |
390 | ||
391 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 392 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
393 | "addr=%p, name=\"%s\", id=%" PRId64 ", index=%" PRIu64, |
394 | event_class, bt_ctf_event_class_get_name(event_class), | |
395 | bt_ctf_event_class_get_id(event_class), index); | |
396 | ret = -1; | |
397 | goto end; | |
398 | } | |
399 | ||
98b15851 | 400 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 401 | event_class->common.payload_field_type) == |
16ca5ff0 | 402 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
403 | ret = bt_ctf_field_type_structure_get_field_by_index( |
404 | (void *) event_class->common.payload_field_type, | |
405 | field_name, (void *) field_type, index); | |
406 | ||
407 | end: | |
408 | return ret; | |
409 | } | |
410 | ||
16ca5ff0 | 411 | struct bt_ctf_field_type * |
3dca2276 PP |
412 | bt_ctf_event_class_get_payload_type_field_type_by_name( |
413 | struct bt_ctf_event_class *event_class, const char *name) | |
414 | { | |
415 | GQuark name_quark; | |
16ca5ff0 | 416 | struct bt_ctf_field_type *field_type = NULL; |
3dca2276 PP |
417 | |
418 | if (!event_class || !name) { | |
419 | BT_LOGW("Invalid parameter: event class or name is NULL: " | |
420 | "event-class-addr=%p, name-addr=%p", | |
421 | event_class, name); | |
422 | goto end; | |
423 | } | |
424 | ||
425 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 426 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
427 | "addr=%p, name=\"%s\", id=%" PRId64, |
428 | event_class, bt_ctf_event_class_get_name(event_class), | |
429 | bt_ctf_event_class_get_id(event_class)); | |
430 | goto end; | |
431 | } | |
432 | ||
98b15851 | 433 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 434 | event_class->common.payload_field_type) == |
16ca5ff0 | 435 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
436 | name_quark = g_quark_try_string(name); |
437 | if (!name_quark) { | |
438 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); | |
439 | goto end; | |
440 | } | |
441 | ||
442 | /* | |
443 | * No need to increment field_type's reference count since getting it | |
444 | * from the structure already does. | |
445 | */ | |
446 | field_type = (void *) | |
447 | bt_ctf_field_type_structure_get_field_type_by_name( | |
448 | (void *) event_class->common.payload_field_type, name); | |
449 | ||
450 | end: | |
451 | return field_type; | |
452 | } | |
453 | ||
454 | BT_HIDDEN | |
455 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
456 | struct metadata_context *context) | |
457 | { | |
458 | int ret = 0; | |
e1e02a22 | 459 | struct bt_ctf_value *attr_value = NULL; |
3dca2276 | 460 | |
98b15851 PP |
461 | BT_ASSERT_DBG(event_class); |
462 | BT_ASSERT_DBG(context); | |
3dca2276 PP |
463 | BT_LOGD("Serializing event class's metadata: " |
464 | "event-class-addr=%p, event-class-name=\"%s\", " | |
465 | "event-class-id=%" PRId64 ", metadata-context-addr=%p", | |
466 | event_class, bt_ctf_event_class_get_name(event_class), | |
467 | bt_ctf_event_class_get_id(event_class), context); | |
468 | context->current_indentation_level = 1; | |
469 | g_string_assign(context->field_name, ""); | |
470 | g_string_append(context->string, "event {\n"); | |
471 | ||
472 | /* Serialize attributes */ | |
473 | g_string_append_printf(context->string, "\tname = \"%s\";\n", | |
474 | event_class->common.name->str); | |
98b15851 | 475 | BT_ASSERT_DBG(event_class->common.id >= 0); |
3dca2276 PP |
476 | g_string_append_printf(context->string, "\tid = %" PRId64 ";\n", |
477 | event_class->common.id); | |
478 | g_string_append_printf(context->string, "\tstream_id = %" PRId64 ";\n", | |
16ca5ff0 PP |
479 | bt_ctf_stream_class_common_get_id( |
480 | bt_ctf_event_class_common_borrow_stream_class( | |
481 | BT_CTF_TO_COMMON(event_class)))); | |
3dca2276 PP |
482 | |
483 | if (event_class->common.log_level != | |
16ca5ff0 | 484 | BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED) { |
3dca2276 PP |
485 | g_string_append_printf(context->string, "\tloglevel = %d;\n", |
486 | (int) event_class->common.log_level); | |
487 | } | |
488 | ||
489 | if (event_class->common.emf_uri->len > 0) { | |
490 | g_string_append_printf(context->string, "\tmodel.emf.uri = \"%s\";\n", | |
491 | event_class->common.emf_uri->str); | |
492 | } | |
493 | ||
494 | /* Serialize context field type */ | |
495 | if (event_class->common.context_field_type) { | |
496 | g_string_append(context->string, "\tcontext := "); | |
497 | BT_LOGD_STR("Serializing event class's context field type metadata."); | |
498 | ret = bt_ctf_field_type_serialize_recursive( | |
499 | (void *) event_class->common.context_field_type, | |
500 | context); | |
501 | if (ret) { | |
502 | BT_LOGW("Cannot serialize event class's context field type's metadata: " | |
503 | "ret=%d", ret); | |
504 | goto end; | |
505 | } | |
506 | g_string_append(context->string, ";\n"); | |
507 | } | |
508 | ||
509 | /* Serialize payload field type */ | |
510 | if (event_class->common.payload_field_type) { | |
511 | g_string_append(context->string, "\tfields := "); | |
512 | BT_LOGD_STR("Serializing event class's payload field type metadata."); | |
513 | ret = bt_ctf_field_type_serialize_recursive( | |
514 | (void *) event_class->common.payload_field_type, | |
515 | context); | |
516 | if (ret) { | |
517 | BT_LOGW("Cannot serialize event class's payload field type's metadata: " | |
518 | "ret=%d", ret); | |
519 | goto end; | |
520 | } | |
521 | g_string_append(context->string, ";\n"); | |
522 | } | |
523 | ||
524 | g_string_append(context->string, "};\n\n"); | |
525 | ||
526 | end: | |
527 | context->current_indentation_level = 0; | |
e1e02a22 | 528 | BT_CTF_OBJECT_PUT_REF_AND_RESET(attr_value); |
3dca2276 PP |
529 | return ret; |
530 | } | |
531 | ||
532 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
533 | struct bt_ctf_event_class *event_class, const char *name) | |
534 | { | |
535 | GQuark name_quark; | |
536 | struct bt_ctf_field_type *field_type = NULL; | |
537 | ||
538 | if (!event_class || !name) { | |
539 | BT_LOGW("Invalid parameter: event class or name is NULL: " | |
540 | "event-class-addr=%p, name-addr=%p", | |
541 | event_class, name); | |
542 | goto end; | |
543 | } | |
544 | ||
545 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 546 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
547 | "addr=%p, name=\"%s\", id=%" PRId64, |
548 | event_class, | |
549 | bt_ctf_event_class_get_name(event_class), | |
550 | bt_ctf_event_class_get_id(event_class)); | |
551 | goto end; | |
552 | } | |
553 | ||
98b15851 | 554 | BT_ASSERT_DBG(event_class->common.payload_field_type->id == |
16ca5ff0 | 555 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
556 | name_quark = g_quark_try_string(name); |
557 | if (!name_quark) { | |
558 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); | |
559 | goto end; | |
560 | } | |
561 | ||
562 | /* | |
563 | * No need to increment field_type's reference count since getting it | |
564 | * from the structure already does. | |
565 | */ | |
e1e02a22 | 566 | field_type = bt_ctf_object_get_ref( |
16ca5ff0 | 567 | bt_ctf_field_type_common_structure_borrow_field_type_by_name( |
094ff7c0 | 568 | event_class->common.payload_field_type, name)); |
3dca2276 PP |
569 | |
570 | end: | |
571 | return field_type; | |
572 | } |