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8deee039 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-STREAM-CLASS" | |
25 | #include <babeltrace/lib-logging-internal.h> | |
26 | ||
086dc475 PP |
27 | #include <babeltrace/assert-pre-internal.h> |
28 | #include <babeltrace/align-internal.h> | |
29 | #include <babeltrace/assert-internal.h> | |
30 | #include <babeltrace/compiler-internal.h> | |
31 | #include <babeltrace/ctf-writer/clock-class-internal.h> | |
32 | #include <babeltrace/ctf-writer/event-class-internal.h> | |
8deee039 PP |
33 | #include <babeltrace/ctf-writer/event-internal.h> |
34 | #include <babeltrace/ctf-writer/event.h> | |
086dc475 PP |
35 | #include <babeltrace/ctf-writer/field-types-internal.h> |
36 | #include <babeltrace/ctf-writer/field-wrapper-internal.h> | |
37 | #include <babeltrace/ctf-writer/fields-internal.h> | |
38 | #include <babeltrace/ctf-writer/stream-class-internal.h> | |
8deee039 | 39 | #include <babeltrace/ctf-writer/trace.h> |
086dc475 PP |
40 | #include <babeltrace/ctf-writer/utils-internal.h> |
41 | #include <babeltrace/ctf-writer/utils.h> | |
42 | #include <babeltrace/ctf-writer/validation-internal.h> | |
43 | #include <babeltrace/ctf-writer/visitor-internal.h> | |
44 | #include <babeltrace/ctf-writer/writer-internal.h> | |
45 | #include <babeltrace/endian-internal.h> | |
46 | #include <babeltrace/ref.h> | |
8deee039 | 47 | #include <inttypes.h> |
086dc475 PP |
48 | #include <stdbool.h> |
49 | #include <stdint.h> | |
50 | ||
51 | BT_HIDDEN | |
52 | int bt_ctf_stream_class_common_initialize(struct bt_ctf_stream_class_common *stream_class, | |
53 | const char *name, bt_object_release_func release_func) | |
54 | { | |
55 | BT_LOGD("Initializing common stream class object: name=\"%s\"", name); | |
56 | ||
57 | bt_object_init_shared_with_parent(&stream_class->base, release_func); | |
58 | stream_class->name = g_string_new(name); | |
59 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
60 | (GDestroyNotify) bt_object_try_spec_release); | |
61 | if (!stream_class->event_classes) { | |
62 | BT_LOGE_STR("Failed to allocate a GPtrArray."); | |
63 | goto error; | |
64 | } | |
65 | ||
66 | stream_class->event_classes_ht = g_hash_table_new_full(g_int64_hash, | |
67 | g_int64_equal, g_free, NULL); | |
68 | if (!stream_class->event_classes_ht) { | |
69 | BT_LOGE_STR("Failed to allocate a GHashTable."); | |
70 | goto error; | |
71 | } | |
72 | ||
73 | BT_LOGD("Initialized common stream class object: addr=%p, name=\"%s\"", | |
74 | stream_class, name); | |
75 | return 0; | |
76 | ||
77 | error: | |
78 | return -1; | |
79 | } | |
80 | ||
81 | BT_HIDDEN | |
82 | void bt_ctf_stream_class_common_finalize(struct bt_ctf_stream_class_common *stream_class) | |
83 | { | |
84 | BT_LOGD("Finalizing common stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
85 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
86 | bt_ctf_stream_class_common_get_id(stream_class)); | |
87 | bt_put(stream_class->clock_class); | |
88 | ||
89 | if (stream_class->event_classes_ht) { | |
90 | g_hash_table_destroy(stream_class->event_classes_ht); | |
91 | } | |
92 | if (stream_class->event_classes) { | |
93 | BT_LOGD_STR("Destroying event classes."); | |
94 | g_ptr_array_free(stream_class->event_classes, TRUE); | |
95 | } | |
96 | ||
97 | if (stream_class->name) { | |
98 | g_string_free(stream_class->name, TRUE); | |
99 | } | |
100 | ||
101 | BT_LOGD_STR("Putting event header field type."); | |
102 | bt_put(stream_class->event_header_field_type); | |
103 | BT_LOGD_STR("Putting packet context field type."); | |
104 | bt_put(stream_class->packet_context_field_type); | |
105 | BT_LOGD_STR("Putting event context field type."); | |
106 | bt_put(stream_class->event_context_field_type); | |
107 | } | |
108 | ||
109 | static | |
110 | void event_class_exists(gpointer element, gpointer query) | |
111 | { | |
112 | struct bt_ctf_event_class_common *event_class_a = element; | |
113 | struct bt_ctf_search_query *search_query = query; | |
114 | struct bt_ctf_event_class_common *event_class_b = search_query->value; | |
115 | int64_t id_a, id_b; | |
116 | ||
117 | if (search_query->value == element) { | |
118 | search_query->found = 1; | |
119 | goto end; | |
120 | } | |
121 | ||
122 | /* | |
123 | * Two event classes cannot share the same ID in a given | |
124 | * stream class. | |
125 | */ | |
126 | id_a = bt_ctf_event_class_common_get_id(event_class_a); | |
127 | id_b = bt_ctf_event_class_common_get_id(event_class_b); | |
128 | ||
129 | if (id_a < 0 || id_b < 0) { | |
130 | /* at least one ID is not set: will be automatically set later */ | |
131 | goto end; | |
132 | } | |
133 | ||
134 | if (id_a == id_b) { | |
135 | BT_LOGW("Event class with this ID already exists in the stream class: " | |
136 | "id=%" PRId64 ", name=\"%s\"", | |
137 | id_a, bt_ctf_event_class_common_get_name(event_class_a)); | |
138 | search_query->found = 1; | |
139 | goto end; | |
140 | } | |
141 | ||
142 | end: | |
143 | return; | |
144 | } | |
145 | ||
146 | BT_HIDDEN | |
147 | int bt_ctf_stream_class_common_add_event_class( | |
148 | struct bt_ctf_stream_class_common *stream_class, | |
149 | struct bt_ctf_event_class_common *event_class, | |
150 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) | |
151 | { | |
152 | int ret = 0; | |
153 | int64_t *event_id = NULL; | |
154 | struct bt_ctf_trace_common *trace = NULL; | |
155 | struct bt_ctf_stream_class_common *old_stream_class = NULL; | |
156 | struct bt_ctf_validation_output validation_output = { 0 }; | |
157 | struct bt_ctf_field_type_common *packet_header_type = NULL; | |
158 | struct bt_ctf_field_type_common *packet_context_type = NULL; | |
159 | struct bt_ctf_field_type_common *event_header_type = NULL; | |
160 | struct bt_ctf_field_type_common *stream_event_ctx_type = NULL; | |
161 | struct bt_ctf_field_type_common *event_context_type = NULL; | |
162 | struct bt_ctf_field_type_common *event_payload_type = NULL; | |
163 | const enum bt_ctf_validation_flag validation_flags = | |
164 | BT_CTF_VALIDATION_FLAG_EVENT; | |
165 | struct bt_ctf_clock_class *expected_clock_class = NULL; | |
166 | ||
167 | BT_ASSERT(copy_field_type_func); | |
168 | ||
169 | if (!stream_class || !event_class) { | |
170 | BT_LOGW("Invalid parameter: stream class or event class is NULL: " | |
171 | "stream-class-addr=%p, event-class-addr=%p", | |
172 | stream_class, event_class); | |
173 | ret = -1; | |
174 | goto end; | |
175 | } | |
176 | ||
177 | BT_LOGD("Adding event class to stream class: " | |
178 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
179 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
180 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
181 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
182 | bt_ctf_stream_class_common_get_id(stream_class), | |
183 | event_class, | |
184 | bt_ctf_event_class_common_get_name(event_class), | |
185 | bt_ctf_event_class_common_get_id(event_class)); | |
186 | trace = bt_ctf_stream_class_common_borrow_trace(stream_class); | |
187 | ||
188 | if (stream_class->frozen) { | |
189 | /* | |
190 | * We only check that the event class to be added has a | |
191 | * single class which matches the stream class's | |
192 | * expected clock class if the stream class is frozen. | |
193 | * If it's not, then this event class is added "as is" | |
194 | * and the validation will be performed when calling | |
195 | * either bt_ctf_trace_add_stream_class() or | |
196 | * bt_ctf_event_create(). This is because the stream class's | |
197 | * field types (packet context, event header, event | |
198 | * context) could change before the next call to one of | |
199 | * those two functions. | |
200 | */ | |
201 | expected_clock_class = bt_get(stream_class->clock_class); | |
202 | ||
203 | /* | |
204 | * At this point, `expected_clock_class` can be NULL, | |
205 | * and bt_ctf_event_class_validate_single_clock_class() | |
206 | * below can set it. | |
207 | */ | |
208 | ret = bt_ctf_event_class_common_validate_single_clock_class( | |
209 | event_class, &expected_clock_class); | |
210 | if (ret) { | |
211 | BT_LOGW("Event class contains a field type which is not " | |
212 | "recursively mapped to its stream class's " | |
213 | "expected clock class: " | |
214 | "stream-class-addr=%p, " | |
215 | "stream-class-id=%" PRId64 ", " | |
216 | "stream-class-name=\"%s\", " | |
217 | "expected-clock-class-addr=%p, " | |
218 | "expected-clock-class-name=\"%s\"", | |
219 | stream_class, | |
220 | bt_ctf_stream_class_common_get_id(stream_class), | |
221 | bt_ctf_stream_class_common_get_name(stream_class), | |
222 | expected_clock_class, | |
223 | expected_clock_class ? | |
224 | bt_ctf_clock_class_get_name(expected_clock_class) : | |
225 | NULL); | |
226 | goto end; | |
227 | } | |
228 | } | |
229 | ||
230 | event_id = g_new(int64_t, 1); | |
231 | if (!event_id) { | |
232 | BT_LOGE_STR("Failed to allocate one int64_t."); | |
233 | ret = -1; | |
234 | goto end; | |
235 | } | |
236 | ||
237 | /* Check for duplicate event classes */ | |
238 | struct bt_ctf_search_query query = { .value = event_class, .found = 0 }; | |
239 | g_ptr_array_foreach(stream_class->event_classes, event_class_exists, | |
240 | &query); | |
241 | if (query.found) { | |
242 | BT_LOGW_STR("Another event class part of this stream class has the same ID."); | |
243 | ret = -1; | |
244 | goto end; | |
245 | } | |
246 | ||
247 | old_stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); | |
248 | if (old_stream_class) { | |
249 | /* Event class is already associated to a stream class. */ | |
250 | BT_LOGW("Event class is already part of another stream class: " | |
251 | "event-class-stream-class-addr=%p, " | |
252 | "event-class-stream-class-name=\"%s\", " | |
253 | "event-class-stream-class-id=%" PRId64, | |
254 | old_stream_class, | |
255 | bt_ctf_stream_class_common_get_name(old_stream_class), | |
256 | bt_ctf_stream_class_common_get_id(old_stream_class)); | |
257 | ret = -1; | |
258 | goto end; | |
259 | } | |
260 | ||
261 | if (trace) { | |
262 | /* | |
263 | * If the stream class is associated with a trace, then | |
264 | * both those objects are frozen. Also, this event class | |
265 | * is about to be frozen. | |
266 | * | |
267 | * Therefore the event class must be validated here. | |
268 | * The trace and stream class should be valid at this | |
269 | * point. | |
270 | */ | |
271 | BT_ASSERT(trace->valid); | |
272 | BT_ASSERT(stream_class->valid); | |
273 | packet_header_type = | |
274 | bt_ctf_trace_common_borrow_packet_header_field_type(trace); | |
275 | packet_context_type = | |
276 | bt_ctf_stream_class_common_borrow_packet_context_field_type( | |
277 | stream_class); | |
278 | event_header_type = | |
279 | bt_ctf_stream_class_common_borrow_event_header_field_type( | |
280 | stream_class); | |
281 | stream_event_ctx_type = | |
282 | bt_ctf_stream_class_common_borrow_event_context_field_type( | |
283 | stream_class); | |
284 | event_context_type = | |
285 | bt_ctf_event_class_common_borrow_context_field_type( | |
286 | event_class); | |
287 | event_payload_type = | |
288 | bt_ctf_event_class_common_borrow_payload_field_type( | |
289 | event_class); | |
290 | ret = bt_ctf_validate_class_types( | |
291 | trace->environment, packet_header_type, | |
292 | packet_context_type, event_header_type, | |
293 | stream_event_ctx_type, event_context_type, | |
294 | event_payload_type, trace->valid, | |
295 | stream_class->valid, event_class->valid, | |
296 | &validation_output, validation_flags, | |
297 | copy_field_type_func); | |
298 | ||
299 | if (ret) { | |
300 | /* | |
301 | * This means something went wrong during the | |
302 | * validation process, not that the objects are | |
303 | * invalid. | |
304 | */ | |
305 | BT_LOGE("Failed to validate event class: ret=%d", ret); | |
306 | goto end; | |
307 | } | |
308 | ||
309 | if ((validation_output.valid_flags & validation_flags) != | |
310 | validation_flags) { | |
311 | /* Invalid event class */ | |
312 | BT_LOGW("Invalid trace, stream class, or event class: " | |
313 | "valid-flags=0x%x", | |
314 | validation_output.valid_flags); | |
315 | ret = -1; | |
316 | goto end; | |
317 | } | |
318 | } | |
319 | ||
320 | /* Only set an event ID if none was explicitly set before */ | |
321 | *event_id = bt_ctf_event_class_common_get_id(event_class); | |
322 | if (*event_id < 0) { | |
323 | BT_LOGV("Event class has no ID: automatically setting it: " | |
324 | "id=%" PRId64, stream_class->next_event_id); | |
325 | ||
326 | if (bt_ctf_event_class_common_set_id(event_class, | |
327 | stream_class->next_event_id)) { | |
328 | BT_LOGE("Cannot set event class's ID: id=%" PRId64, | |
329 | stream_class->next_event_id); | |
330 | ret = -1; | |
331 | goto end; | |
332 | } | |
333 | stream_class->next_event_id++; | |
334 | *event_id = stream_class->next_event_id; | |
335 | } | |
336 | ||
337 | bt_object_set_parent(&event_class->base, &stream_class->base); | |
338 | ||
339 | if (trace) { | |
340 | /* | |
341 | * At this point we know that the function will be | |
342 | * successful. Therefore we can replace the event | |
343 | * class's field types with what's in the validation | |
344 | * output structure and mark this event class as valid. | |
345 | */ | |
346 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
347 | &validation_output, validation_flags); | |
348 | event_class->valid = 1; | |
349 | ||
350 | /* | |
351 | * Put what was not moved in | |
352 | * bt_ctf_validation_replace_types(). | |
353 | */ | |
354 | bt_ctf_validation_output_put_types(&validation_output); | |
355 | } | |
356 | ||
357 | /* Add to the event classes of the stream class */ | |
358 | g_ptr_array_add(stream_class->event_classes, event_class); | |
359 | g_hash_table_insert(stream_class->event_classes_ht, event_id, | |
360 | event_class); | |
361 | event_id = NULL; | |
362 | ||
363 | /* Freeze the event class */ | |
364 | bt_ctf_event_class_common_freeze(event_class); | |
365 | ||
366 | /* | |
367 | * It is safe to set the stream class's unique clock class | |
368 | * now if the stream class is frozen. | |
369 | */ | |
370 | if (stream_class->frozen && expected_clock_class) { | |
371 | BT_ASSERT(!stream_class->clock_class || | |
372 | stream_class->clock_class == expected_clock_class); | |
373 | BT_MOVE(stream_class->clock_class, expected_clock_class); | |
374 | } | |
375 | ||
376 | BT_LOGD("Added event class to stream class: " | |
377 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
378 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
379 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
380 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
381 | bt_ctf_stream_class_common_get_id(stream_class), | |
382 | event_class, | |
383 | bt_ctf_event_class_common_get_name(event_class), | |
384 | bt_ctf_event_class_common_get_id(event_class)); | |
385 | ||
386 | end: | |
387 | bt_ctf_validation_output_put_types(&validation_output); | |
388 | bt_put(expected_clock_class); | |
389 | g_free(event_id); | |
390 | return ret; | |
391 | } | |
392 | ||
393 | static | |
394 | int64_t get_event_class_count(void *element) | |
395 | { | |
396 | return bt_ctf_stream_class_get_event_class_count( | |
397 | (struct bt_ctf_stream_class *) element); | |
398 | } | |
399 | ||
400 | static | |
401 | void *get_event_class(void *element, int i) | |
402 | { | |
403 | return bt_ctf_stream_class_get_event_class_by_index( | |
404 | (struct bt_ctf_stream_class *) element, i); | |
405 | } | |
406 | ||
407 | static | |
408 | int visit_event_class(void *object, bt_ctf_visitor visitor,void *data) | |
409 | { | |
410 | struct bt_ctf_visitor_object obj = { | |
411 | .object = object, | |
412 | .type = BT_CTF_VISITOR_OBJECT_TYPE_EVENT_CLASS | |
413 | }; | |
414 | ||
415 | return visitor(&obj, data); | |
416 | } | |
417 | ||
418 | BT_HIDDEN | |
419 | int bt_ctf_stream_class_common_visit(struct bt_ctf_stream_class_common *stream_class, | |
420 | bt_ctf_visitor visitor, void *data) | |
421 | { | |
422 | int ret; | |
423 | struct bt_ctf_visitor_object obj = { | |
424 | .object = stream_class, | |
425 | .type = BT_CTF_VISITOR_OBJECT_TYPE_STREAM_CLASS | |
426 | }; | |
427 | ||
428 | if (!stream_class || !visitor) { | |
429 | BT_LOGW("Invalid parameter: stream class or visitor is NULL: " | |
430 | "stream-class-addr=%p, visitor=%p", | |
431 | stream_class, visitor); | |
432 | ret = -1; | |
433 | goto end; | |
434 | } | |
435 | ||
436 | ret = visitor_helper(&obj, get_event_class_count, | |
437 | get_event_class, | |
438 | visit_event_class, visitor, data); | |
439 | BT_LOGV("visitor_helper() returned: ret=%d", ret); | |
440 | ||
441 | end: | |
442 | return ret; | |
443 | } | |
444 | ||
445 | BT_HIDDEN | |
446 | int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class, | |
447 | bt_ctf_visitor visitor, void *data) | |
448 | { | |
449 | return bt_ctf_stream_class_common_visit(BT_CTF_FROM_COMMON(stream_class), | |
450 | visitor, data); | |
451 | } | |
452 | ||
453 | BT_HIDDEN | |
454 | void bt_ctf_stream_class_common_freeze(struct bt_ctf_stream_class_common *stream_class) | |
455 | { | |
456 | if (!stream_class || stream_class->frozen) { | |
457 | return; | |
458 | } | |
459 | ||
460 | BT_LOGD("Freezing stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
461 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
462 | bt_ctf_stream_class_common_get_id(stream_class)); | |
463 | stream_class->frozen = 1; | |
464 | bt_ctf_field_type_common_freeze(stream_class->event_header_field_type); | |
465 | bt_ctf_field_type_common_freeze(stream_class->packet_context_field_type); | |
466 | bt_ctf_field_type_common_freeze(stream_class->event_context_field_type); | |
467 | bt_ctf_clock_class_freeze(stream_class->clock_class); | |
468 | } | |
469 | ||
470 | BT_HIDDEN | |
471 | int bt_ctf_stream_class_common_validate_single_clock_class( | |
472 | struct bt_ctf_stream_class_common *stream_class, | |
473 | struct bt_ctf_clock_class **expected_clock_class) | |
474 | { | |
475 | int ret; | |
476 | uint64_t i; | |
477 | ||
478 | BT_ASSERT(stream_class); | |
479 | BT_ASSERT(expected_clock_class); | |
480 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
481 | stream_class->packet_context_field_type, | |
482 | expected_clock_class); | |
483 | if (ret) { | |
484 | BT_LOGW("Stream class's packet context field type " | |
485 | "is not recursively mapped to the " | |
486 | "expected clock class: " | |
487 | "stream-class-addr=%p, " | |
488 | "stream-class-name=\"%s\", " | |
489 | "stream-class-id=%" PRId64 ", " | |
490 | "ft-addr=%p", | |
491 | stream_class, | |
492 | bt_ctf_stream_class_common_get_name(stream_class), | |
493 | stream_class->id, | |
494 | stream_class->packet_context_field_type); | |
495 | goto end; | |
496 | } | |
497 | ||
498 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
499 | stream_class->event_header_field_type, | |
500 | expected_clock_class); | |
501 | if (ret) { | |
502 | BT_LOGW("Stream class's event header field type " | |
503 | "is not recursively mapped to the " | |
504 | "expected clock class: " | |
505 | "stream-class-addr=%p, " | |
506 | "stream-class-name=\"%s\", " | |
507 | "stream-class-id=%" PRId64 ", " | |
508 | "ft-addr=%p", | |
509 | stream_class, | |
510 | bt_ctf_stream_class_common_get_name(stream_class), | |
511 | stream_class->id, | |
512 | stream_class->event_header_field_type); | |
513 | goto end; | |
514 | } | |
515 | ||
516 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
517 | stream_class->event_context_field_type, | |
518 | expected_clock_class); | |
519 | if (ret) { | |
520 | BT_LOGW("Stream class's event context field type " | |
521 | "is not recursively mapped to the " | |
522 | "expected clock class: " | |
523 | "stream-class-addr=%p, " | |
524 | "stream-class-name=\"%s\", " | |
525 | "stream-class-id=%" PRId64 ", " | |
526 | "ft-addr=%p", | |
527 | stream_class, | |
528 | bt_ctf_stream_class_common_get_name(stream_class), | |
529 | stream_class->id, | |
530 | stream_class->event_context_field_type); | |
531 | goto end; | |
532 | } | |
533 | ||
534 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
535 | struct bt_ctf_event_class_common *event_class = | |
536 | g_ptr_array_index(stream_class->event_classes, i); | |
537 | ||
538 | BT_ASSERT(event_class); | |
539 | ret = bt_ctf_event_class_common_validate_single_clock_class( | |
540 | event_class, expected_clock_class); | |
541 | if (ret) { | |
542 | BT_LOGW("Stream class's event class contains a " | |
543 | "field type which is not recursively mapped to " | |
544 | "the expected clock class: " | |
545 | "stream-class-addr=%p, " | |
546 | "stream-class-name=\"%s\", " | |
547 | "stream-class-id=%" PRId64, | |
548 | stream_class, | |
549 | bt_ctf_stream_class_common_get_name(stream_class), | |
550 | stream_class->id); | |
551 | goto end; | |
552 | } | |
553 | } | |
554 | ||
555 | end: | |
556 | return ret; | |
557 | } | |
8deee039 PP |
558 | |
559 | static | |
560 | int init_event_header(struct bt_ctf_stream_class *stream_class) | |
561 | { | |
562 | int ret = 0; | |
563 | struct bt_ctf_field_type *event_header_type = | |
564 | bt_ctf_field_type_structure_create(); | |
565 | struct bt_ctf_field_type *_uint32_t = | |
566 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
567 | struct bt_ctf_field_type *_uint64_t = | |
568 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
569 | ||
570 | if (!event_header_type) { | |
571 | BT_LOGE_STR("Cannot create empty structure field type."); | |
572 | ret = -1; | |
573 | goto end; | |
574 | } | |
575 | ||
576 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
577 | _uint32_t, "id"); | |
578 | if (ret) { | |
579 | BT_LOGE_STR("Cannot add `id` field to event header field type."); | |
580 | goto end; | |
581 | } | |
582 | ||
583 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
584 | _uint64_t, "timestamp"); | |
585 | if (ret) { | |
586 | BT_LOGE_STR("Cannot add `timestamp` field to event header field type."); | |
587 | goto end; | |
588 | } | |
589 | ||
590 | bt_put(stream_class->common.event_header_field_type); | |
591 | stream_class->common.event_header_field_type = | |
592 | (void *) event_header_type; | |
593 | event_header_type = NULL; | |
594 | ||
595 | end: | |
596 | if (ret) { | |
597 | bt_put(event_header_type); | |
598 | } | |
599 | ||
600 | bt_put(_uint32_t); | |
601 | bt_put(_uint64_t); | |
602 | return ret; | |
603 | } | |
604 | ||
605 | static | |
606 | int init_packet_context(struct bt_ctf_stream_class *stream_class) | |
607 | { | |
608 | int ret = 0; | |
609 | struct bt_ctf_field_type *packet_context_type = | |
610 | bt_ctf_field_type_structure_create(); | |
611 | struct bt_ctf_field_type *_uint64_t = | |
612 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
613 | struct bt_ctf_field_type *ts_begin_end_uint64_t; | |
614 | ||
615 | if (!packet_context_type) { | |
616 | BT_LOGE_STR("Cannot create empty structure field type."); | |
617 | ret = -1; | |
618 | goto end; | |
619 | } | |
620 | ||
621 | ts_begin_end_uint64_t = bt_ctf_field_type_copy(_uint64_t); | |
622 | if (!ts_begin_end_uint64_t) { | |
623 | BT_LOGE_STR("Cannot copy integer field type for `timestamp_begin` and `timestamp_end` fields."); | |
624 | ret = -1; | |
625 | goto end; | |
626 | } | |
627 | ||
628 | /* | |
629 | * We create a stream packet context as proposed in the CTF | |
630 | * specification. | |
631 | */ | |
632 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
633 | ts_begin_end_uint64_t, "timestamp_begin"); | |
634 | if (ret) { | |
635 | BT_LOGE_STR("Cannot add `timestamp_begin` field to event header field type."); | |
636 | goto end; | |
637 | } | |
638 | ||
639 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
640 | ts_begin_end_uint64_t, "timestamp_end"); | |
641 | if (ret) { | |
642 | BT_LOGE_STR("Cannot add `timestamp_end` field to event header field type."); | |
643 | goto end; | |
644 | } | |
645 | ||
646 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
647 | _uint64_t, "content_size"); | |
648 | if (ret) { | |
649 | BT_LOGE_STR("Cannot add `content_size` field to event header field type."); | |
650 | goto end; | |
651 | } | |
652 | ||
653 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
654 | _uint64_t, "packet_size"); | |
655 | if (ret) { | |
656 | BT_LOGE_STR("Cannot add `packet_size` field to event header field type."); | |
657 | goto end; | |
658 | } | |
659 | ||
660 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
661 | _uint64_t, "events_discarded"); | |
662 | if (ret) { | |
663 | BT_LOGE_STR("Cannot add `events_discarded` field to event header field type."); | |
664 | goto end; | |
665 | } | |
666 | ||
667 | bt_put(stream_class->common.packet_context_field_type); | |
668 | stream_class->common.packet_context_field_type = | |
669 | (void *) packet_context_type; | |
670 | packet_context_type = NULL; | |
671 | ||
672 | end: | |
673 | if (ret) { | |
674 | bt_put(packet_context_type); | |
675 | goto end; | |
676 | } | |
677 | ||
678 | bt_put(_uint64_t); | |
679 | bt_put(ts_begin_end_uint64_t); | |
680 | return ret; | |
681 | } | |
682 | ||
683 | static | |
684 | void bt_ctf_stream_class_destroy(struct bt_object *obj) | |
685 | { | |
686 | struct bt_ctf_stream_class *stream_class; | |
687 | ||
688 | stream_class = (void *) obj; | |
689 | BT_LOGD("Destroying CTF writer stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
690 | stream_class, bt_ctf_stream_class_get_name(stream_class), | |
691 | bt_ctf_stream_class_get_id(stream_class)); | |
086dc475 | 692 | bt_ctf_stream_class_common_finalize(BT_CTF_TO_COMMON(stream_class)); |
8deee039 PP |
693 | bt_put(stream_class->clock); |
694 | g_free(stream_class); | |
695 | } | |
696 | ||
697 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) | |
698 | { | |
699 | struct bt_ctf_stream_class *stream_class; | |
700 | int ret; | |
701 | ||
702 | BT_LOGD("Creating CTF writer stream class object: name=\"%s\"", name); | |
703 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
704 | if (!stream_class) { | |
705 | BT_LOGE_STR("Failed to allocate one CTF writer stream class."); | |
706 | goto error; | |
707 | } | |
708 | ||
086dc475 | 709 | ret = bt_ctf_stream_class_common_initialize(BT_CTF_TO_COMMON(stream_class), |
8deee039 PP |
710 | name, bt_ctf_stream_class_destroy); |
711 | if (ret) { | |
086dc475 | 712 | /* bt_ctf_stream_class_common_initialize() logs errors */ |
8deee039 PP |
713 | goto error; |
714 | } | |
715 | ||
716 | ret = init_event_header(stream_class); | |
717 | if (ret) { | |
718 | BT_LOGE_STR("Cannot initialize stream class's event header field type."); | |
719 | goto error; | |
720 | } | |
721 | ||
722 | ret = init_packet_context(stream_class); | |
723 | if (ret) { | |
724 | BT_LOGE_STR("Cannot initialize stream class's packet context field type."); | |
725 | goto error; | |
726 | } | |
727 | ||
728 | BT_LOGD("Created CTF writer stream class object: addr=%p, name=\"%s\"", | |
729 | stream_class, name); | |
730 | return stream_class; | |
731 | ||
732 | error: | |
733 | BT_PUT(stream_class); | |
734 | return stream_class; | |
735 | } | |
736 | ||
737 | static | |
738 | int try_map_clock_class(struct bt_ctf_stream_class *stream_class, | |
739 | struct bt_ctf_field_type *parent_ft, const char *field_name) | |
740 | { | |
741 | struct bt_ctf_clock_class *mapped_clock_class = NULL; | |
742 | int ret = 0; | |
743 | struct bt_ctf_field_type *ft = | |
744 | bt_ctf_field_type_structure_get_field_type_by_name(parent_ft, | |
745 | field_name); | |
746 | ||
747 | BT_ASSERT(stream_class->clock); | |
748 | ||
749 | if (!ft) { | |
750 | /* Field does not exist: not an error */ | |
751 | goto end; | |
752 | } | |
753 | ||
086dc475 PP |
754 | BT_ASSERT(((struct bt_ctf_field_type_common *) ft)->id == |
755 | BT_CTF_FIELD_TYPE_ID_INTEGER); | |
8deee039 PP |
756 | mapped_clock_class = |
757 | bt_ctf_field_type_integer_get_mapped_clock_class(ft); | |
758 | if (!mapped_clock_class) { | |
759 | struct bt_ctf_field_type *ft_copy; | |
760 | ||
761 | if (!stream_class->clock) { | |
762 | BT_LOGW("Cannot automatically set field's type mapped clock class: stream class's clock is not set: " | |
763 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
764 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
765 | stream_class, | |
766 | bt_ctf_stream_class_get_name(stream_class), | |
767 | bt_ctf_stream_class_get_id(stream_class), ft); | |
768 | ret = -1; | |
769 | goto end; | |
770 | } | |
771 | ||
772 | ft_copy = bt_ctf_field_type_copy(ft); | |
773 | if (!ft_copy) { | |
774 | BT_LOGE("Failed to copy integer field type: ft-addr=%p", | |
775 | ft); | |
776 | } | |
777 | ||
086dc475 PP |
778 | ret = bt_ctf_field_type_common_integer_set_mapped_clock_class_no_check_frozen( |
779 | (void *) ft_copy, stream_class->clock->clock_class); | |
8deee039 PP |
780 | BT_ASSERT(ret == 0); |
781 | ||
086dc475 | 782 | ret = bt_ctf_field_type_common_structure_replace_field( |
8deee039 PP |
783 | (void *) parent_ft, field_name, (void *) ft_copy); |
784 | bt_put(ft_copy); | |
785 | BT_LOGV("Automatically mapped field type to stream class's clock class: " | |
786 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
787 | "stream-class-id=%" PRId64 ", ft-addr=%p, " | |
788 | "ft-copy-addr=%p", | |
789 | stream_class, | |
790 | bt_ctf_stream_class_get_name(stream_class), | |
791 | bt_ctf_stream_class_get_id(stream_class), ft, ft_copy); | |
792 | } | |
793 | ||
794 | end: | |
795 | bt_put(ft); | |
796 | bt_put(mapped_clock_class); | |
797 | return ret; | |
798 | } | |
799 | ||
800 | BT_HIDDEN | |
801 | int bt_ctf_stream_class_map_clock_class( | |
802 | struct bt_ctf_stream_class *stream_class, | |
803 | struct bt_ctf_field_type *packet_context_type, | |
804 | struct bt_ctf_field_type *event_header_type) | |
805 | { | |
806 | int ret = 0; | |
807 | ||
808 | BT_ASSERT(stream_class); | |
809 | ||
810 | if (!stream_class->clock) { | |
811 | /* No clock class to map to */ | |
812 | goto end; | |
813 | } | |
814 | ||
815 | if (packet_context_type) { | |
816 | if (try_map_clock_class(stream_class, packet_context_type, | |
817 | "timestamp_begin")) { | |
818 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_begin` field's mapped clock class."); | |
819 | ret = -1; | |
820 | goto end; | |
821 | } | |
822 | ||
823 | if (try_map_clock_class(stream_class, packet_context_type, | |
824 | "timestamp_end")) { | |
825 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_end` field's mapped clock class."); | |
826 | ret = -1; | |
827 | goto end; | |
828 | } | |
829 | } | |
830 | ||
831 | if (event_header_type) { | |
832 | if (try_map_clock_class(stream_class, event_header_type, | |
833 | "timestamp")) { | |
834 | BT_LOGE_STR("Cannot automatically set stream class's event header field type's `timestamp` field's mapped clock class."); | |
835 | ret = -1; | |
836 | goto end; | |
837 | } | |
838 | } | |
839 | ||
840 | end: | |
841 | return ret; | |
842 | } | |
843 | ||
844 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( | |
845 | struct bt_ctf_stream_class *stream_class) | |
846 | { | |
847 | struct bt_ctf_clock *clock = NULL; | |
848 | ||
849 | if (!stream_class) { | |
850 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
851 | goto end; | |
852 | } | |
853 | ||
854 | if (!stream_class->clock) { | |
855 | BT_LOGV("Stream class has no clock: " | |
856 | "addr=%p, name=\"%s\", id=%" PRId64, | |
857 | stream_class, | |
858 | bt_ctf_stream_class_get_name(stream_class), | |
859 | bt_ctf_stream_class_get_id(stream_class)); | |
860 | goto end; | |
861 | } | |
862 | ||
863 | clock = bt_get(stream_class->clock); | |
864 | ||
865 | end: | |
866 | return clock; | |
867 | } | |
868 | ||
869 | int bt_ctf_stream_class_set_clock( | |
870 | struct bt_ctf_stream_class *stream_class, | |
871 | struct bt_ctf_clock *clock) | |
872 | { | |
873 | int ret = 0; | |
874 | ||
875 | if (!stream_class || !clock) { | |
876 | BT_LOGW("Invalid parameter: stream class or clock is NULL: " | |
877 | "stream-class-addr=%p, clock-addr=%p", | |
878 | stream_class, clock); | |
879 | ret = -1; | |
880 | goto end; | |
881 | } | |
882 | ||
883 | if (stream_class->common.frozen) { | |
884 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
885 | "addr=%p, name=\"%s\", id=%" PRId64, | |
886 | stream_class, | |
887 | bt_ctf_stream_class_get_name(stream_class), | |
888 | bt_ctf_stream_class_get_id(stream_class)); | |
889 | ret = -1; | |
890 | goto end; | |
891 | } | |
892 | ||
893 | /* Replace the current clock of this stream class. */ | |
894 | bt_put(stream_class->clock); | |
895 | stream_class->clock = bt_get(clock); | |
896 | BT_LOGV("Set stream class's clock: " | |
897 | "addr=%p, name=\"%s\", id=%" PRId64 ", " | |
898 | "clock-addr=%p, clock-name=\"%s\"", | |
899 | stream_class, | |
900 | bt_ctf_stream_class_get_name(stream_class), | |
901 | bt_ctf_stream_class_get_id(stream_class), | |
902 | stream_class->clock, | |
903 | bt_ctf_clock_get_name(stream_class->clock)); | |
904 | ||
905 | end: | |
906 | return ret; | |
907 | } | |
908 | ||
909 | BT_HIDDEN | |
910 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
911 | struct metadata_context *context) | |
912 | { | |
913 | int ret = 0; | |
914 | size_t i; | |
915 | struct bt_ctf_trace *trace; | |
916 | struct bt_ctf_field_type *packet_header_type = NULL; | |
917 | ||
918 | BT_LOGD("Serializing stream class's metadata: " | |
919 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
920 | "stream-class-id=%" PRId64 ", metadata-context-addr=%p", | |
921 | stream_class, | |
922 | bt_ctf_stream_class_get_name(stream_class), | |
923 | bt_ctf_stream_class_get_id(stream_class), context); | |
924 | g_string_assign(context->field_name, ""); | |
925 | context->current_indentation_level = 1; | |
926 | if (!stream_class->common.id_set) { | |
927 | BT_LOGW_STR("Stream class's ID is not set."); | |
928 | ret = -1; | |
929 | goto end; | |
930 | } | |
931 | ||
932 | g_string_append(context->string, "stream {\n"); | |
933 | ||
934 | /* | |
935 | * The reference to the trace is only borrowed since the | |
936 | * serialization of the stream class might have been triggered | |
937 | * by the trace's destruction. In such a case, the trace's | |
938 | * reference count would, unexepectedly, go through the sequence | |
939 | * 1 -> 0 -> 1 -> 0 -> ..., provoking an endless loop of destruction | |
940 | * and serialization. | |
941 | */ | |
086dc475 PP |
942 | trace = BT_CTF_FROM_COMMON(bt_ctf_stream_class_common_borrow_trace( |
943 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
944 | BT_ASSERT(trace); |
945 | packet_header_type = bt_ctf_trace_get_packet_header_field_type(trace); | |
946 | trace = NULL; | |
947 | if (packet_header_type) { | |
948 | struct bt_ctf_field_type *stream_id_type; | |
949 | ||
950 | stream_id_type = | |
951 | bt_ctf_field_type_structure_get_field_type_by_name( | |
952 | packet_header_type, "stream_id"); | |
953 | if (stream_id_type) { | |
954 | /* | |
955 | * Only set the stream's id if the trace's packet header | |
956 | * contains a stream_id field. This field is only | |
957 | * needed if the trace contains only one stream | |
958 | * class. | |
959 | */ | |
960 | g_string_append_printf(context->string, | |
961 | "\tid = %" PRId64 ";\n", | |
962 | stream_class->common.id); | |
963 | } | |
964 | bt_put(stream_id_type); | |
965 | } | |
966 | if (stream_class->common.event_header_field_type) { | |
967 | BT_LOGD_STR("Serializing stream class's event header field type's metadata."); | |
968 | g_string_append(context->string, "\tevent.header := "); | |
969 | ret = bt_ctf_field_type_serialize_recursive( | |
970 | (void *) stream_class->common.event_header_field_type, | |
971 | context); | |
972 | if (ret) { | |
973 | BT_LOGW("Cannot serialize stream class's event header field type's metadata: " | |
974 | "ret=%d", ret); | |
975 | goto end; | |
976 | } | |
977 | g_string_append(context->string, ";"); | |
978 | } | |
979 | ||
980 | ||
981 | if (stream_class->common.packet_context_field_type) { | |
982 | BT_LOGD_STR("Serializing stream class's packet context field type's metadata."); | |
983 | g_string_append(context->string, "\n\n\tpacket.context := "); | |
984 | ret = bt_ctf_field_type_serialize_recursive( | |
985 | (void *) stream_class->common.packet_context_field_type, | |
986 | context); | |
987 | if (ret) { | |
988 | BT_LOGW("Cannot serialize stream class's packet context field type's metadata: " | |
989 | "ret=%d", ret); | |
990 | goto end; | |
991 | } | |
992 | g_string_append(context->string, ";"); | |
993 | } | |
994 | ||
995 | if (stream_class->common.event_context_field_type) { | |
996 | BT_LOGD_STR("Serializing stream class's event context field type's metadata."); | |
997 | g_string_append(context->string, "\n\n\tevent.context := "); | |
998 | ret = bt_ctf_field_type_serialize_recursive( | |
999 | (void *) stream_class->common.event_context_field_type, | |
1000 | context); | |
1001 | if (ret) { | |
1002 | BT_LOGW("Cannot serialize stream class's event context field type's metadata: " | |
1003 | "ret=%d", ret); | |
1004 | goto end; | |
1005 | } | |
1006 | g_string_append(context->string, ";"); | |
1007 | } | |
1008 | ||
1009 | g_string_append(context->string, "\n};\n\n"); | |
1010 | ||
1011 | for (i = 0; i < stream_class->common.event_classes->len; i++) { | |
1012 | struct bt_ctf_event_class *event_class = | |
1013 | stream_class->common.event_classes->pdata[i]; | |
1014 | ||
1015 | ret = bt_ctf_event_class_serialize(event_class, context); | |
1016 | if (ret) { | |
1017 | BT_LOGW("Cannot serialize event class's metadata: " | |
1018 | "event-class-addr=%p, event-class-name=\"%s\", " | |
1019 | "event-class-id=%" PRId64, | |
1020 | event_class, | |
1021 | bt_ctf_event_class_get_name(event_class), | |
1022 | bt_ctf_event_class_get_id(event_class)); | |
1023 | goto end; | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | end: | |
1028 | bt_put(packet_header_type); | |
1029 | context->current_indentation_level = 0; | |
1030 | return ret; | |
1031 | } | |
1032 | ||
1033 | struct bt_ctf_trace *bt_ctf_stream_class_get_trace( | |
1034 | struct bt_ctf_stream_class *stream_class) | |
1035 | { | |
086dc475 PP |
1036 | return bt_get(bt_ctf_stream_class_common_borrow_trace( |
1037 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1038 | } |
1039 | ||
1040 | const char *bt_ctf_stream_class_get_name( | |
1041 | struct bt_ctf_stream_class *stream_class) | |
1042 | { | |
086dc475 | 1043 | return bt_ctf_stream_class_common_get_name(BT_CTF_TO_COMMON(stream_class)); |
8deee039 PP |
1044 | } |
1045 | ||
1046 | int bt_ctf_stream_class_set_name( | |
1047 | struct bt_ctf_stream_class *stream_class, const char *name) | |
1048 | { | |
086dc475 | 1049 | return bt_ctf_stream_class_common_set_name(BT_CTF_TO_COMMON(stream_class), |
8deee039 PP |
1050 | name); |
1051 | } | |
1052 | ||
1053 | int64_t bt_ctf_stream_class_get_id( | |
1054 | struct bt_ctf_stream_class *stream_class) | |
1055 | { | |
086dc475 | 1056 | return bt_ctf_stream_class_common_get_id(BT_CTF_TO_COMMON(stream_class)); |
8deee039 PP |
1057 | } |
1058 | ||
1059 | int bt_ctf_stream_class_set_id( | |
1060 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1061 | { | |
086dc475 | 1062 | return bt_ctf_stream_class_common_set_id(BT_CTF_TO_COMMON(stream_class), id); |
8deee039 PP |
1063 | } |
1064 | ||
1065 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( | |
1066 | struct bt_ctf_stream_class *stream_class) | |
1067 | { | |
5fe68922 | 1068 | return bt_get( |
086dc475 PP |
1069 | bt_ctf_stream_class_common_borrow_packet_context_field_type( |
1070 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1071 | } |
1072 | ||
1073 | int bt_ctf_stream_class_set_packet_context_type( | |
1074 | struct bt_ctf_stream_class *stream_class, | |
1075 | struct bt_ctf_field_type *packet_context_type) | |
1076 | { | |
086dc475 PP |
1077 | return bt_ctf_stream_class_common_set_packet_context_field_type( |
1078 | BT_CTF_TO_COMMON(stream_class), (void *) packet_context_type); | |
8deee039 PP |
1079 | } |
1080 | ||
1081 | struct bt_ctf_field_type * | |
1082 | bt_ctf_stream_class_get_event_header_type( | |
1083 | struct bt_ctf_stream_class *stream_class) | |
1084 | { | |
5fe68922 | 1085 | return bt_get( |
086dc475 PP |
1086 | bt_ctf_stream_class_common_borrow_event_header_field_type( |
1087 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1088 | } |
1089 | ||
1090 | int bt_ctf_stream_class_set_event_header_type( | |
1091 | struct bt_ctf_stream_class *stream_class, | |
1092 | struct bt_ctf_field_type *event_header_type) | |
1093 | { | |
086dc475 PP |
1094 | return bt_ctf_stream_class_common_set_event_header_field_type( |
1095 | BT_CTF_TO_COMMON(stream_class), (void *) event_header_type); | |
8deee039 PP |
1096 | } |
1097 | ||
1098 | struct bt_ctf_field_type * | |
1099 | bt_ctf_stream_class_get_event_context_type( | |
1100 | struct bt_ctf_stream_class *stream_class) | |
1101 | { | |
5fe68922 | 1102 | return bt_get( |
086dc475 PP |
1103 | bt_ctf_stream_class_common_borrow_event_context_field_type( |
1104 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1105 | } |
1106 | ||
1107 | int bt_ctf_stream_class_set_event_context_type( | |
1108 | struct bt_ctf_stream_class *stream_class, | |
1109 | struct bt_ctf_field_type *event_context_type) | |
1110 | { | |
086dc475 PP |
1111 | return bt_ctf_stream_class_common_set_event_context_field_type( |
1112 | BT_CTF_TO_COMMON(stream_class), (void *) event_context_type); | |
8deee039 PP |
1113 | } |
1114 | ||
1115 | int64_t bt_ctf_stream_class_get_event_class_count( | |
1116 | struct bt_ctf_stream_class *stream_class) | |
1117 | { | |
086dc475 PP |
1118 | return bt_ctf_stream_class_common_get_event_class_count( |
1119 | BT_CTF_TO_COMMON(stream_class)); | |
8deee039 PP |
1120 | } |
1121 | ||
1122 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_index( | |
1123 | struct bt_ctf_stream_class *stream_class, uint64_t index) | |
1124 | { | |
5fe68922 | 1125 | return bt_get( |
086dc475 PP |
1126 | bt_ctf_stream_class_common_borrow_event_class_by_index( |
1127 | BT_CTF_TO_COMMON(stream_class), index)); | |
8deee039 PP |
1128 | } |
1129 | ||
1130 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id( | |
1131 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1132 | { | |
5fe68922 | 1133 | return bt_get( |
086dc475 PP |
1134 | bt_ctf_stream_class_common_borrow_event_class_by_id( |
1135 | BT_CTF_TO_COMMON(stream_class), id)); | |
8deee039 PP |
1136 | } |
1137 | ||
1138 | int bt_ctf_stream_class_add_event_class( | |
1139 | struct bt_ctf_stream_class *stream_class, | |
1140 | struct bt_ctf_event_class *event_class) | |
1141 | { | |
086dc475 PP |
1142 | return bt_ctf_stream_class_common_add_event_class( |
1143 | BT_CTF_TO_COMMON(stream_class), BT_CTF_TO_COMMON(event_class), | |
1144 | (bt_ctf_validation_flag_copy_field_type_func) bt_ctf_field_type_copy); | |
8deee039 | 1145 | } |