Commit | Line | Data |
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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 | ||
350ad6c1 | 24 | #define BT_LOG_TAG "CTF-WRITER/EVENT-CLASS" |
67d2ce02 | 25 | #include "logging.h" |
3dca2276 | 26 | |
578e048b MJ |
27 | #include <glib.h> |
28 | #include <inttypes.h> | |
29 | #include <stdlib.h> | |
30 | ||
217cf9d3 PP |
31 | #include <babeltrace2-ctf-writer/event.h> |
32 | #include <babeltrace2-ctf-writer/field-types.h> | |
33 | #include <babeltrace2-ctf-writer/object.h> | |
34 | #include <babeltrace2-ctf-writer/stream-class.h> | |
35 | #include <babeltrace2-ctf-writer/utils.h> | |
3fadfbc0 | 36 | #include <babeltrace2/types.h> |
578e048b MJ |
37 | |
38 | #include "common/assert.h" | |
39 | #include "compat/compiler.h" | |
40 | #include "compat/endian.h" | |
41 | ||
42 | #include "assert-pre.h" | |
43 | #include "attributes.h" | |
44 | #include "event-class.h" | |
45 | #include "event.h" | |
46 | #include "fields.h" | |
47 | #include "field-types.h" | |
48 | #include "stream-class.h" | |
49 | #include "trace.h" | |
50 | #include "utils.h" | |
51 | #include "validation.h" | |
52 | #include "values.h" | |
53 | #include "writer.h" | |
16ca5ff0 PP |
54 | |
55 | BT_HIDDEN | |
e1e02a22 | 56 | void bt_ctf_event_class_common_finalize(struct bt_ctf_object *obj) |
16ca5ff0 PP |
57 | { |
58 | struct bt_ctf_event_class_common *event_class; | |
59 | ||
60 | event_class = container_of(obj, struct bt_ctf_event_class_common, base); | |
61 | BT_LOGD("Finalizing common event class: addr=%p, name=\"%s\", id=%" PRId64, | |
62 | event_class, bt_ctf_event_class_common_get_name(event_class), | |
63 | bt_ctf_event_class_common_get_id(event_class)); | |
64 | ||
65 | if (event_class->name) { | |
66 | g_string_free(event_class->name, TRUE); | |
67 | } | |
68 | ||
69 | if (event_class->emf_uri) { | |
70 | g_string_free(event_class->emf_uri, TRUE); | |
71 | } | |
72 | ||
73 | BT_LOGD_STR("Putting context field type."); | |
e1e02a22 | 74 | bt_ctf_object_put_ref(event_class->context_field_type); |
16ca5ff0 | 75 | BT_LOGD_STR("Putting payload field type."); |
e1e02a22 | 76 | bt_ctf_object_put_ref(event_class->payload_field_type); |
16ca5ff0 PP |
77 | } |
78 | ||
79 | BT_HIDDEN | |
80 | int bt_ctf_event_class_common_initialize(struct bt_ctf_event_class_common *event_class, | |
e1e02a22 | 81 | const char *name, bt_ctf_object_release_func release_func, |
16ca5ff0 PP |
82 | bt_ctf_field_type_structure_create_func ft_struct_create_func) |
83 | { | |
84 | int ret = 0; | |
85 | ||
86 | BT_LOGD("Initializing common event class object: name=\"%s\"", | |
87 | name); | |
e1e02a22 | 88 | bt_ctf_object_init_shared_with_parent(&event_class->base, release_func); |
16ca5ff0 PP |
89 | event_class->payload_field_type = ft_struct_create_func(); |
90 | if (!event_class->payload_field_type) { | |
91 | BT_LOGE_STR("Cannot create event class's initial payload field type object."); | |
92 | goto error; | |
93 | } | |
94 | ||
95 | event_class->id = -1; | |
96 | event_class->name = g_string_new(name); | |
97 | if (!event_class->name) { | |
98 | BT_LOGE_STR("Failed to allocate a GString."); | |
99 | goto error; | |
100 | } | |
101 | ||
102 | event_class->emf_uri = g_string_new(NULL); | |
103 | if (!event_class->emf_uri) { | |
104 | BT_LOGE_STR("Failed to allocate a GString."); | |
105 | goto error; | |
106 | } | |
107 | ||
108 | event_class->log_level = BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED; | |
109 | BT_LOGD("Initialized common event class object: addr=%p, name=\"%s\"", | |
110 | event_class, bt_ctf_event_class_common_get_name(event_class)); | |
111 | return ret; | |
112 | ||
113 | error: | |
114 | ret = -1; | |
115 | return ret; | |
116 | } | |
117 | ||
118 | BT_HIDDEN | |
119 | void bt_ctf_event_class_common_freeze(struct bt_ctf_event_class_common *event_class) | |
120 | { | |
98b15851 | 121 | BT_ASSERT_DBG(event_class); |
16ca5ff0 PP |
122 | |
123 | if (event_class->frozen) { | |
124 | return; | |
125 | } | |
126 | ||
127 | BT_LOGD("Freezing event class: addr=%p, name=\"%s\", id=%" PRId64, | |
128 | event_class, bt_ctf_event_class_common_get_name(event_class), | |
129 | bt_ctf_event_class_common_get_id(event_class)); | |
130 | event_class->frozen = 1; | |
131 | BT_LOGD_STR("Freezing event class's context field type."); | |
132 | bt_ctf_field_type_common_freeze(event_class->context_field_type); | |
133 | BT_LOGD_STR("Freezing event class's payload field type."); | |
134 | bt_ctf_field_type_common_freeze(event_class->payload_field_type); | |
135 | } | |
136 | ||
137 | BT_HIDDEN | |
138 | int bt_ctf_event_class_common_validate_single_clock_class( | |
139 | struct bt_ctf_event_class_common *event_class, | |
140 | struct bt_ctf_clock_class **expected_clock_class) | |
141 | { | |
142 | int ret = 0; | |
143 | ||
98b15851 PP |
144 | BT_ASSERT_DBG(event_class); |
145 | BT_ASSERT_DBG(expected_clock_class); | |
16ca5ff0 PP |
146 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
147 | event_class->context_field_type, | |
148 | expected_clock_class); | |
149 | if (ret) { | |
150 | BT_LOGW("Event class's context field type " | |
151 | "is not recursively mapped to the " | |
152 | "expected clock class: " | |
153 | "event-class-addr=%p, " | |
154 | "event-class-name=\"%s\", " | |
155 | "event-class-id=%" PRId64 ", " | |
156 | "ft-addr=%p", | |
157 | event_class, | |
158 | bt_ctf_event_class_common_get_name(event_class), | |
159 | event_class->id, | |
160 | event_class->context_field_type); | |
161 | goto end; | |
162 | } | |
163 | ||
164 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
165 | event_class->payload_field_type, | |
166 | expected_clock_class); | |
167 | if (ret) { | |
168 | BT_LOGW("Event class's payload field type " | |
169 | "is not recursively mapped to the " | |
170 | "expected clock class: " | |
171 | "event-class-addr=%p, " | |
172 | "event-class-name=\"%s\", " | |
173 | "event-class-id=%" PRId64 ", " | |
174 | "ft-addr=%p", | |
175 | event_class, | |
176 | bt_ctf_event_class_common_get_name(event_class), | |
177 | event_class->id, | |
178 | event_class->payload_field_type); | |
179 | goto end; | |
180 | } | |
181 | ||
182 | end: | |
183 | return ret; | |
184 | } | |
3dca2276 PP |
185 | |
186 | static | |
e1e02a22 | 187 | void bt_ctf_event_class_destroy(struct bt_ctf_object *obj) |
3dca2276 | 188 | { |
16ca5ff0 | 189 | bt_ctf_event_class_common_finalize(obj); |
3dca2276 PP |
190 | g_free(obj); |
191 | } | |
192 | ||
193 | struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name) | |
194 | { | |
195 | struct bt_ctf_event_class *ctf_event_class = NULL; | |
196 | int ret; | |
197 | ||
198 | if (!name) { | |
199 | BT_LOGW_STR("Invalid parameter: name is NULL."); | |
200 | goto error; | |
201 | } | |
202 | ||
203 | BT_LOGD("Creating event class object: name=\"%s\"", | |
204 | name); | |
205 | ctf_event_class = g_new0(struct bt_ctf_event_class, 1); | |
206 | if (!ctf_event_class) { | |
207 | BT_LOGE_STR("Failed to allocate one event class."); | |
208 | goto error; | |
209 | } | |
210 | ||
16ca5ff0 | 211 | ret = bt_ctf_event_class_common_initialize(BT_CTF_TO_COMMON(ctf_event_class), |
3dca2276 | 212 | name, bt_ctf_event_class_destroy, |
16ca5ff0 | 213 | (bt_ctf_field_type_structure_create_func) |
3dca2276 PP |
214 | bt_ctf_field_type_structure_create); |
215 | if (ret) { | |
216 | goto error; | |
217 | } | |
218 | ||
219 | goto end; | |
220 | ||
221 | error: | |
e1e02a22 | 222 | bt_ctf_object_put_ref(ctf_event_class); |
3dca2276 PP |
223 | |
224 | end: | |
225 | return ctf_event_class; | |
226 | } | |
227 | ||
228 | const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class) | |
229 | { | |
16ca5ff0 | 230 | return bt_ctf_event_class_common_get_name(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
231 | } |
232 | ||
233 | int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class) | |
234 | { | |
16ca5ff0 | 235 | return bt_ctf_event_class_common_get_id(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
236 | } |
237 | ||
238 | int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class, | |
239 | uint64_t id) | |
240 | { | |
16ca5ff0 | 241 | return bt_ctf_event_class_common_set_id(BT_CTF_TO_COMMON(event_class), id); |
3dca2276 PP |
242 | } |
243 | ||
244 | enum bt_ctf_event_class_log_level bt_ctf_event_class_get_log_level( | |
245 | struct bt_ctf_event_class *event_class) | |
246 | { | |
16ca5ff0 | 247 | return bt_ctf_event_class_common_get_log_level(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
248 | } |
249 | ||
250 | int bt_ctf_event_class_set_log_level(struct bt_ctf_event_class *event_class, | |
251 | enum bt_ctf_event_class_log_level log_level) | |
252 | { | |
16ca5ff0 | 253 | return bt_ctf_event_class_common_set_log_level(BT_CTF_TO_COMMON(event_class), |
3dca2276 PP |
254 | log_level); |
255 | } | |
256 | ||
257 | const char *bt_ctf_event_class_get_emf_uri( | |
258 | struct bt_ctf_event_class *event_class) | |
259 | { | |
16ca5ff0 | 260 | return bt_ctf_event_class_common_get_emf_uri(BT_CTF_TO_COMMON(event_class)); |
3dca2276 PP |
261 | } |
262 | ||
263 | int bt_ctf_event_class_set_emf_uri(struct bt_ctf_event_class *event_class, | |
264 | const char *emf_uri) | |
265 | { | |
16ca5ff0 | 266 | return bt_ctf_event_class_common_set_emf_uri(BT_CTF_TO_COMMON(event_class), |
3dca2276 PP |
267 | emf_uri); |
268 | } | |
269 | ||
270 | struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class( | |
271 | struct bt_ctf_event_class *event_class) | |
272 | { | |
67d2ce02 | 273 | BT_CTF_ASSERT_PRE_NON_NULL(event_class, "Event class"); |
e1e02a22 | 274 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_stream_class( |
16ca5ff0 | 275 | BT_CTF_TO_COMMON(event_class))); |
3dca2276 PP |
276 | } |
277 | ||
278 | struct bt_ctf_field_type *bt_ctf_event_class_get_payload_field_type( | |
279 | struct bt_ctf_event_class *event_class) | |
280 | { | |
e1e02a22 | 281 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_payload_field_type( |
16ca5ff0 | 282 | BT_CTF_TO_COMMON(event_class))); |
3dca2276 PP |
283 | } |
284 | ||
285 | int bt_ctf_event_class_set_payload_field_type( | |
286 | struct bt_ctf_event_class *event_class, | |
287 | struct bt_ctf_field_type *field_type) | |
288 | { | |
16ca5ff0 PP |
289 | return bt_ctf_event_class_common_set_payload_field_type( |
290 | BT_CTF_TO_COMMON(event_class), (void *) field_type); | |
3dca2276 PP |
291 | } |
292 | ||
293 | struct bt_ctf_field_type *bt_ctf_event_class_get_context_field_type( | |
294 | struct bt_ctf_event_class *event_class) | |
295 | { | |
e1e02a22 | 296 | return bt_ctf_object_get_ref(bt_ctf_event_class_common_borrow_context_field_type( |
16ca5ff0 | 297 | BT_CTF_TO_COMMON(event_class))); |
3dca2276 PP |
298 | } |
299 | ||
300 | int bt_ctf_event_class_set_context_field_type( | |
301 | struct bt_ctf_event_class *event_class, | |
302 | struct bt_ctf_field_type *field_type) | |
303 | { | |
16ca5ff0 PP |
304 | return bt_ctf_event_class_common_set_context_field_type( |
305 | BT_CTF_TO_COMMON(event_class), (void *) field_type); | |
3dca2276 PP |
306 | } |
307 | ||
308 | int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class, | |
309 | struct bt_ctf_field_type *type, | |
310 | const char *name) | |
311 | { | |
312 | int ret = 0; | |
313 | ||
314 | if (!event_class || !type) { | |
315 | BT_LOGW("Invalid parameter: event class or field type is NULL: " | |
316 | "event-class-addr=%p, field-type-addr=%p", | |
317 | event_class, type); | |
318 | ret = -1; | |
319 | goto end; | |
320 | } | |
321 | ||
16ca5ff0 | 322 | if (!bt_ctf_identifier_is_valid(name)) { |
3dca2276 PP |
323 | BT_LOGW("Invalid parameter: event class's payload field type's field name is not a valid CTF identifier: " |
324 | "addr=%p, name=\"%s\", id=%" PRId64 ", field-name=\"%s\"", | |
325 | event_class, bt_ctf_event_class_get_name(event_class), | |
326 | bt_ctf_event_class_get_id(event_class), | |
327 | name); | |
328 | ret = -1; | |
329 | goto end; | |
330 | } | |
331 | ||
332 | if (event_class->common.frozen) { | |
333 | BT_LOGW("Invalid parameter: event class is frozen: " | |
334 | "addr=%p, name=\"%s\", id=%" PRId64, | |
335 | event_class, bt_ctf_event_class_get_name(event_class), | |
336 | bt_ctf_event_class_get_id(event_class)); | |
337 | ret = -1; | |
338 | goto end; | |
339 | } | |
340 | ||
341 | if (!event_class->common.payload_field_type) { | |
342 | BT_LOGW("Event class has no payload field type: " | |
343 | "addr=%p, name=\"%s\", id=%" PRId64, | |
344 | event_class, bt_ctf_event_class_get_name(event_class), | |
345 | bt_ctf_event_class_get_id(event_class)); | |
346 | ret = -1; | |
347 | goto end; | |
348 | } | |
349 | ||
98b15851 | 350 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 351 | event_class->common.payload_field_type) == |
16ca5ff0 | 352 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
353 | ret = bt_ctf_field_type_structure_add_field( |
354 | (void *) event_class->common.payload_field_type, | |
355 | (void *) type, name); | |
ef267d12 | 356 | BT_LOGT("Added field to event class's payload field type: " |
3dca2276 PP |
357 | "event-class-addr=%p, event-class-name=\"%s\", " |
358 | "event-class-id=%" PRId64 ", field-name=\"%s\", ft-addr=%p", | |
359 | event_class, bt_ctf_event_class_get_name(event_class), | |
360 | bt_ctf_event_class_get_id(event_class), name, type); | |
361 | end: | |
362 | return ret; | |
363 | } | |
364 | ||
365 | int64_t bt_ctf_event_class_get_payload_type_field_count( | |
366 | struct bt_ctf_event_class *event_class) | |
367 | { | |
368 | int64_t ret; | |
369 | ||
370 | if (!event_class) { | |
371 | BT_LOGW_STR("Invalid parameter: event class is NULL."); | |
372 | ret = (int64_t) -1; | |
373 | goto end; | |
374 | } | |
375 | ||
376 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 377 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
378 | "addr=%p, name=\"%s\", id=%" PRId64, |
379 | event_class, bt_ctf_event_class_get_name(event_class), | |
380 | bt_ctf_event_class_get_id(event_class)); | |
381 | ret = (int64_t) -1; | |
382 | goto end; | |
383 | } | |
384 | ||
98b15851 | 385 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 386 | event_class->common.payload_field_type) == |
16ca5ff0 PP |
387 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
388 | ret = bt_ctf_field_type_common_structure_get_field_count( | |
3dca2276 PP |
389 | event_class->common.payload_field_type); |
390 | end: | |
391 | return ret; | |
392 | } | |
393 | ||
394 | int bt_ctf_event_class_get_payload_type_field_by_index( | |
395 | struct bt_ctf_event_class *event_class, | |
396 | const char **field_name, struct bt_ctf_field_type **field_type, | |
397 | uint64_t index) | |
398 | { | |
399 | int ret; | |
400 | ||
401 | if (!event_class) { | |
402 | BT_LOGW_STR("Invalid parameter: event class is NULL."); | |
403 | ret = -1; | |
404 | goto end; | |
405 | } | |
406 | ||
407 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 408 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
409 | "addr=%p, name=\"%s\", id=%" PRId64 ", index=%" PRIu64, |
410 | event_class, bt_ctf_event_class_get_name(event_class), | |
411 | bt_ctf_event_class_get_id(event_class), index); | |
412 | ret = -1; | |
413 | goto end; | |
414 | } | |
415 | ||
98b15851 | 416 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 417 | event_class->common.payload_field_type) == |
16ca5ff0 | 418 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
419 | ret = bt_ctf_field_type_structure_get_field_by_index( |
420 | (void *) event_class->common.payload_field_type, | |
421 | field_name, (void *) field_type, index); | |
422 | ||
423 | end: | |
424 | return ret; | |
425 | } | |
426 | ||
16ca5ff0 | 427 | struct bt_ctf_field_type * |
3dca2276 PP |
428 | bt_ctf_event_class_get_payload_type_field_type_by_name( |
429 | struct bt_ctf_event_class *event_class, const char *name) | |
430 | { | |
431 | GQuark name_quark; | |
16ca5ff0 | 432 | struct bt_ctf_field_type *field_type = NULL; |
3dca2276 PP |
433 | |
434 | if (!event_class || !name) { | |
435 | BT_LOGW("Invalid parameter: event class or name is NULL: " | |
436 | "event-class-addr=%p, name-addr=%p", | |
437 | event_class, name); | |
438 | goto end; | |
439 | } | |
440 | ||
441 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 442 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
443 | "addr=%p, name=\"%s\", id=%" PRId64, |
444 | event_class, bt_ctf_event_class_get_name(event_class), | |
445 | bt_ctf_event_class_get_id(event_class)); | |
446 | goto end; | |
447 | } | |
448 | ||
98b15851 | 449 | BT_ASSERT_DBG(bt_ctf_field_type_common_get_type_id( |
3dca2276 | 450 | event_class->common.payload_field_type) == |
16ca5ff0 | 451 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
452 | name_quark = g_quark_try_string(name); |
453 | if (!name_quark) { | |
454 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); | |
455 | goto end; | |
456 | } | |
457 | ||
458 | /* | |
459 | * No need to increment field_type's reference count since getting it | |
460 | * from the structure already does. | |
461 | */ | |
462 | field_type = (void *) | |
463 | bt_ctf_field_type_structure_get_field_type_by_name( | |
464 | (void *) event_class->common.payload_field_type, name); | |
465 | ||
466 | end: | |
467 | return field_type; | |
468 | } | |
469 | ||
470 | BT_HIDDEN | |
471 | int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class, | |
472 | struct metadata_context *context) | |
473 | { | |
474 | int ret = 0; | |
e1e02a22 | 475 | struct bt_ctf_value *attr_value = NULL; |
3dca2276 | 476 | |
98b15851 PP |
477 | BT_ASSERT_DBG(event_class); |
478 | BT_ASSERT_DBG(context); | |
3dca2276 PP |
479 | BT_LOGD("Serializing event class's metadata: " |
480 | "event-class-addr=%p, event-class-name=\"%s\", " | |
481 | "event-class-id=%" PRId64 ", metadata-context-addr=%p", | |
482 | event_class, bt_ctf_event_class_get_name(event_class), | |
483 | bt_ctf_event_class_get_id(event_class), context); | |
484 | context->current_indentation_level = 1; | |
485 | g_string_assign(context->field_name, ""); | |
486 | g_string_append(context->string, "event {\n"); | |
487 | ||
488 | /* Serialize attributes */ | |
489 | g_string_append_printf(context->string, "\tname = \"%s\";\n", | |
490 | event_class->common.name->str); | |
98b15851 | 491 | BT_ASSERT_DBG(event_class->common.id >= 0); |
3dca2276 PP |
492 | g_string_append_printf(context->string, "\tid = %" PRId64 ";\n", |
493 | event_class->common.id); | |
494 | g_string_append_printf(context->string, "\tstream_id = %" PRId64 ";\n", | |
16ca5ff0 PP |
495 | bt_ctf_stream_class_common_get_id( |
496 | bt_ctf_event_class_common_borrow_stream_class( | |
497 | BT_CTF_TO_COMMON(event_class)))); | |
3dca2276 PP |
498 | |
499 | if (event_class->common.log_level != | |
16ca5ff0 | 500 | BT_CTF_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED) { |
3dca2276 PP |
501 | g_string_append_printf(context->string, "\tloglevel = %d;\n", |
502 | (int) event_class->common.log_level); | |
503 | } | |
504 | ||
505 | if (event_class->common.emf_uri->len > 0) { | |
506 | g_string_append_printf(context->string, "\tmodel.emf.uri = \"%s\";\n", | |
507 | event_class->common.emf_uri->str); | |
508 | } | |
509 | ||
510 | /* Serialize context field type */ | |
511 | if (event_class->common.context_field_type) { | |
512 | g_string_append(context->string, "\tcontext := "); | |
513 | BT_LOGD_STR("Serializing event class's context field type metadata."); | |
514 | ret = bt_ctf_field_type_serialize_recursive( | |
515 | (void *) event_class->common.context_field_type, | |
516 | context); | |
517 | if (ret) { | |
518 | BT_LOGW("Cannot serialize event class's context field type's metadata: " | |
519 | "ret=%d", ret); | |
520 | goto end; | |
521 | } | |
522 | g_string_append(context->string, ";\n"); | |
523 | } | |
524 | ||
525 | /* Serialize payload field type */ | |
526 | if (event_class->common.payload_field_type) { | |
527 | g_string_append(context->string, "\tfields := "); | |
528 | BT_LOGD_STR("Serializing event class's payload field type metadata."); | |
529 | ret = bt_ctf_field_type_serialize_recursive( | |
530 | (void *) event_class->common.payload_field_type, | |
531 | context); | |
532 | if (ret) { | |
533 | BT_LOGW("Cannot serialize event class's payload field type's metadata: " | |
534 | "ret=%d", ret); | |
535 | goto end; | |
536 | } | |
537 | g_string_append(context->string, ";\n"); | |
538 | } | |
539 | ||
540 | g_string_append(context->string, "};\n\n"); | |
541 | ||
542 | end: | |
543 | context->current_indentation_level = 0; | |
e1e02a22 | 544 | BT_CTF_OBJECT_PUT_REF_AND_RESET(attr_value); |
3dca2276 PP |
545 | return ret; |
546 | } | |
547 | ||
548 | struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name( | |
549 | struct bt_ctf_event_class *event_class, const char *name) | |
550 | { | |
551 | GQuark name_quark; | |
552 | struct bt_ctf_field_type *field_type = NULL; | |
553 | ||
554 | if (!event_class || !name) { | |
555 | BT_LOGW("Invalid parameter: event class or name is NULL: " | |
556 | "event-class-addr=%p, name-addr=%p", | |
557 | event_class, name); | |
558 | goto end; | |
559 | } | |
560 | ||
561 | if (!event_class->common.payload_field_type) { | |
ef267d12 | 562 | BT_LOGT("Event class has no payload field type: " |
3dca2276 PP |
563 | "addr=%p, name=\"%s\", id=%" PRId64, |
564 | event_class, | |
565 | bt_ctf_event_class_get_name(event_class), | |
566 | bt_ctf_event_class_get_id(event_class)); | |
567 | goto end; | |
568 | } | |
569 | ||
98b15851 | 570 | BT_ASSERT_DBG(event_class->common.payload_field_type->id == |
16ca5ff0 | 571 | BT_CTF_FIELD_TYPE_ID_STRUCT); |
3dca2276 PP |
572 | name_quark = g_quark_try_string(name); |
573 | if (!name_quark) { | |
574 | BT_LOGE("Cannot get GQuark: string=\"%s\"", name); | |
575 | goto end; | |
576 | } | |
577 | ||
578 | /* | |
579 | * No need to increment field_type's reference count since getting it | |
580 | * from the structure already does. | |
581 | */ | |
e1e02a22 | 582 | field_type = bt_ctf_object_get_ref( |
16ca5ff0 | 583 | bt_ctf_field_type_common_structure_borrow_field_type_by_name( |
094ff7c0 | 584 | event_class->common.payload_field_type, name)); |
3dca2276 PP |
585 | |
586 | end: | |
587 | return field_type; | |
588 | } |