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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 | ||
b03487ab | 24 | #define BT_LOG_TAG "CTF-WRITER/STREAM-CLASS" |
bf436657 | 25 | #include "logging.h" |
8deee039 | 26 | |
8deee039 | 27 | #include <inttypes.h> |
086dc475 PP |
28 | #include <stdbool.h> |
29 | #include <stdint.h> | |
30 | ||
3996bc53 PP |
31 | #include <babeltrace2-ctf-writer/event.h> |
32 | #include <babeltrace2-ctf-writer/object.h> | |
33 | #include <babeltrace2-ctf-writer/trace.h> | |
34 | #include <babeltrace2-ctf-writer/utils.h> | |
57952005 MJ |
35 | |
36 | #include "common/align.h" | |
37 | #include "common/assert.h" | |
38 | #include "compat/compiler.h" | |
39 | #include "compat/endian.h" | |
40 | ||
41 | #include "assert-pre.h" | |
42 | #include "clock-class.h" | |
43 | #include "event-class.h" | |
44 | #include "event.h" | |
45 | #include "fields.h" | |
46 | #include "field-types.h" | |
47 | #include "field-wrapper.h" | |
48 | #include "stream-class.h" | |
49 | #include "utils.h" | |
50 | #include "validation.h" | |
51 | #include "visitor.h" | |
52 | #include "writer.h" | |
53 | ||
086dc475 PP |
54 | BT_HIDDEN |
55 | int bt_ctf_stream_class_common_initialize(struct bt_ctf_stream_class_common *stream_class, | |
c2606e2f | 56 | const char *name, bt_ctf_object_release_func release_func) |
086dc475 PP |
57 | { |
58 | BT_LOGD("Initializing common stream class object: name=\"%s\"", name); | |
59 | ||
c2606e2f | 60 | bt_ctf_object_init_shared_with_parent(&stream_class->base, release_func); |
086dc475 PP |
61 | stream_class->name = g_string_new(name); |
62 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
c2606e2f | 63 | (GDestroyNotify) bt_ctf_object_try_spec_release); |
086dc475 PP |
64 | if (!stream_class->event_classes) { |
65 | BT_LOGE_STR("Failed to allocate a GPtrArray."); | |
66 | goto error; | |
67 | } | |
68 | ||
69 | stream_class->event_classes_ht = g_hash_table_new_full(g_int64_hash, | |
70 | g_int64_equal, g_free, NULL); | |
71 | if (!stream_class->event_classes_ht) { | |
72 | BT_LOGE_STR("Failed to allocate a GHashTable."); | |
73 | goto error; | |
74 | } | |
75 | ||
76 | BT_LOGD("Initialized common stream class object: addr=%p, name=\"%s\"", | |
77 | stream_class, name); | |
78 | return 0; | |
79 | ||
80 | error: | |
81 | return -1; | |
82 | } | |
83 | ||
84 | BT_HIDDEN | |
85 | void bt_ctf_stream_class_common_finalize(struct bt_ctf_stream_class_common *stream_class) | |
86 | { | |
87 | BT_LOGD("Finalizing common stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
88 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
89 | bt_ctf_stream_class_common_get_id(stream_class)); | |
c2606e2f | 90 | bt_ctf_object_put_ref(stream_class->clock_class); |
086dc475 PP |
91 | |
92 | if (stream_class->event_classes_ht) { | |
93 | g_hash_table_destroy(stream_class->event_classes_ht); | |
94 | } | |
95 | if (stream_class->event_classes) { | |
96 | BT_LOGD_STR("Destroying event classes."); | |
97 | g_ptr_array_free(stream_class->event_classes, TRUE); | |
98 | } | |
99 | ||
100 | if (stream_class->name) { | |
101 | g_string_free(stream_class->name, TRUE); | |
102 | } | |
103 | ||
104 | BT_LOGD_STR("Putting event header field type."); | |
c2606e2f | 105 | bt_ctf_object_put_ref(stream_class->event_header_field_type); |
086dc475 | 106 | BT_LOGD_STR("Putting packet context field type."); |
c2606e2f | 107 | bt_ctf_object_put_ref(stream_class->packet_context_field_type); |
086dc475 | 108 | BT_LOGD_STR("Putting event context field type."); |
c2606e2f | 109 | bt_ctf_object_put_ref(stream_class->event_context_field_type); |
086dc475 PP |
110 | } |
111 | ||
112 | static | |
113 | void event_class_exists(gpointer element, gpointer query) | |
114 | { | |
115 | struct bt_ctf_event_class_common *event_class_a = element; | |
116 | struct bt_ctf_search_query *search_query = query; | |
117 | struct bt_ctf_event_class_common *event_class_b = search_query->value; | |
118 | int64_t id_a, id_b; | |
119 | ||
120 | if (search_query->value == element) { | |
121 | search_query->found = 1; | |
122 | goto end; | |
123 | } | |
124 | ||
125 | /* | |
126 | * Two event classes cannot share the same ID in a given | |
127 | * stream class. | |
128 | */ | |
129 | id_a = bt_ctf_event_class_common_get_id(event_class_a); | |
130 | id_b = bt_ctf_event_class_common_get_id(event_class_b); | |
131 | ||
132 | if (id_a < 0 || id_b < 0) { | |
133 | /* at least one ID is not set: will be automatically set later */ | |
134 | goto end; | |
135 | } | |
136 | ||
137 | if (id_a == id_b) { | |
138 | BT_LOGW("Event class with this ID already exists in the stream class: " | |
139 | "id=%" PRId64 ", name=\"%s\"", | |
140 | id_a, bt_ctf_event_class_common_get_name(event_class_a)); | |
141 | search_query->found = 1; | |
142 | goto end; | |
143 | } | |
144 | ||
145 | end: | |
146 | return; | |
147 | } | |
148 | ||
149 | BT_HIDDEN | |
150 | int bt_ctf_stream_class_common_add_event_class( | |
151 | struct bt_ctf_stream_class_common *stream_class, | |
152 | struct bt_ctf_event_class_common *event_class, | |
153 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) | |
154 | { | |
155 | int ret = 0; | |
156 | int64_t *event_id = NULL; | |
157 | struct bt_ctf_trace_common *trace = NULL; | |
158 | struct bt_ctf_stream_class_common *old_stream_class = NULL; | |
159 | struct bt_ctf_validation_output validation_output = { 0 }; | |
160 | struct bt_ctf_field_type_common *packet_header_type = NULL; | |
161 | struct bt_ctf_field_type_common *packet_context_type = NULL; | |
162 | struct bt_ctf_field_type_common *event_header_type = NULL; | |
163 | struct bt_ctf_field_type_common *stream_event_ctx_type = NULL; | |
164 | struct bt_ctf_field_type_common *event_context_type = NULL; | |
165 | struct bt_ctf_field_type_common *event_payload_type = NULL; | |
166 | const enum bt_ctf_validation_flag validation_flags = | |
167 | BT_CTF_VALIDATION_FLAG_EVENT; | |
168 | struct bt_ctf_clock_class *expected_clock_class = NULL; | |
169 | ||
170 | BT_ASSERT(copy_field_type_func); | |
171 | ||
172 | if (!stream_class || !event_class) { | |
173 | BT_LOGW("Invalid parameter: stream class or event class is NULL: " | |
174 | "stream-class-addr=%p, event-class-addr=%p", | |
175 | stream_class, event_class); | |
176 | ret = -1; | |
177 | goto end; | |
178 | } | |
179 | ||
180 | BT_LOGD("Adding event class to stream class: " | |
181 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
182 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
183 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
184 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
185 | bt_ctf_stream_class_common_get_id(stream_class), | |
186 | event_class, | |
187 | bt_ctf_event_class_common_get_name(event_class), | |
188 | bt_ctf_event_class_common_get_id(event_class)); | |
189 | trace = bt_ctf_stream_class_common_borrow_trace(stream_class); | |
190 | ||
191 | if (stream_class->frozen) { | |
192 | /* | |
193 | * We only check that the event class to be added has a | |
194 | * single class which matches the stream class's | |
195 | * expected clock class if the stream class is frozen. | |
196 | * If it's not, then this event class is added "as is" | |
197 | * and the validation will be performed when calling | |
198 | * either bt_ctf_trace_add_stream_class() or | |
199 | * bt_ctf_event_create(). This is because the stream class's | |
200 | * field types (packet context, event header, event | |
201 | * context) could change before the next call to one of | |
202 | * those two functions. | |
203 | */ | |
c2606e2f | 204 | expected_clock_class = bt_ctf_object_get_ref(stream_class->clock_class); |
086dc475 PP |
205 | |
206 | /* | |
207 | * At this point, `expected_clock_class` can be NULL, | |
208 | * and bt_ctf_event_class_validate_single_clock_class() | |
209 | * below can set it. | |
210 | */ | |
211 | ret = bt_ctf_event_class_common_validate_single_clock_class( | |
212 | event_class, &expected_clock_class); | |
213 | if (ret) { | |
214 | BT_LOGW("Event class contains a field type which is not " | |
215 | "recursively mapped to its stream class's " | |
216 | "expected clock class: " | |
217 | "stream-class-addr=%p, " | |
218 | "stream-class-id=%" PRId64 ", " | |
219 | "stream-class-name=\"%s\", " | |
220 | "expected-clock-class-addr=%p, " | |
221 | "expected-clock-class-name=\"%s\"", | |
222 | stream_class, | |
223 | bt_ctf_stream_class_common_get_id(stream_class), | |
224 | bt_ctf_stream_class_common_get_name(stream_class), | |
225 | expected_clock_class, | |
226 | expected_clock_class ? | |
227 | bt_ctf_clock_class_get_name(expected_clock_class) : | |
228 | NULL); | |
229 | goto end; | |
230 | } | |
231 | } | |
232 | ||
233 | event_id = g_new(int64_t, 1); | |
234 | if (!event_id) { | |
235 | BT_LOGE_STR("Failed to allocate one int64_t."); | |
236 | ret = -1; | |
237 | goto end; | |
238 | } | |
239 | ||
240 | /* Check for duplicate event classes */ | |
241 | struct bt_ctf_search_query query = { .value = event_class, .found = 0 }; | |
242 | g_ptr_array_foreach(stream_class->event_classes, event_class_exists, | |
243 | &query); | |
244 | if (query.found) { | |
245 | BT_LOGW_STR("Another event class part of this stream class has the same ID."); | |
246 | ret = -1; | |
247 | goto end; | |
248 | } | |
249 | ||
250 | old_stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); | |
251 | if (old_stream_class) { | |
252 | /* Event class is already associated to a stream class. */ | |
253 | BT_LOGW("Event class is already part of another stream class: " | |
254 | "event-class-stream-class-addr=%p, " | |
255 | "event-class-stream-class-name=\"%s\", " | |
256 | "event-class-stream-class-id=%" PRId64, | |
257 | old_stream_class, | |
258 | bt_ctf_stream_class_common_get_name(old_stream_class), | |
259 | bt_ctf_stream_class_common_get_id(old_stream_class)); | |
260 | ret = -1; | |
261 | goto end; | |
262 | } | |
263 | ||
264 | if (trace) { | |
265 | /* | |
266 | * If the stream class is associated with a trace, then | |
267 | * both those objects are frozen. Also, this event class | |
268 | * is about to be frozen. | |
269 | * | |
270 | * Therefore the event class must be validated here. | |
271 | * The trace and stream class should be valid at this | |
272 | * point. | |
273 | */ | |
274 | BT_ASSERT(trace->valid); | |
275 | BT_ASSERT(stream_class->valid); | |
276 | packet_header_type = | |
277 | bt_ctf_trace_common_borrow_packet_header_field_type(trace); | |
278 | packet_context_type = | |
279 | bt_ctf_stream_class_common_borrow_packet_context_field_type( | |
280 | stream_class); | |
281 | event_header_type = | |
282 | bt_ctf_stream_class_common_borrow_event_header_field_type( | |
283 | stream_class); | |
284 | stream_event_ctx_type = | |
285 | bt_ctf_stream_class_common_borrow_event_context_field_type( | |
286 | stream_class); | |
287 | event_context_type = | |
288 | bt_ctf_event_class_common_borrow_context_field_type( | |
289 | event_class); | |
290 | event_payload_type = | |
291 | bt_ctf_event_class_common_borrow_payload_field_type( | |
292 | event_class); | |
293 | ret = bt_ctf_validate_class_types( | |
294 | trace->environment, packet_header_type, | |
295 | packet_context_type, event_header_type, | |
296 | stream_event_ctx_type, event_context_type, | |
297 | event_payload_type, trace->valid, | |
298 | stream_class->valid, event_class->valid, | |
299 | &validation_output, validation_flags, | |
300 | copy_field_type_func); | |
301 | ||
302 | if (ret) { | |
303 | /* | |
304 | * This means something went wrong during the | |
305 | * validation process, not that the objects are | |
306 | * invalid. | |
307 | */ | |
308 | BT_LOGE("Failed to validate event class: ret=%d", ret); | |
309 | goto end; | |
310 | } | |
311 | ||
312 | if ((validation_output.valid_flags & validation_flags) != | |
313 | validation_flags) { | |
314 | /* Invalid event class */ | |
315 | BT_LOGW("Invalid trace, stream class, or event class: " | |
316 | "valid-flags=0x%x", | |
317 | validation_output.valid_flags); | |
318 | ret = -1; | |
319 | goto end; | |
320 | } | |
321 | } | |
322 | ||
323 | /* Only set an event ID if none was explicitly set before */ | |
324 | *event_id = bt_ctf_event_class_common_get_id(event_class); | |
325 | if (*event_id < 0) { | |
c9ecaa78 | 326 | BT_LOGT("Event class has no ID: automatically setting it: " |
086dc475 PP |
327 | "id=%" PRId64, stream_class->next_event_id); |
328 | ||
329 | if (bt_ctf_event_class_common_set_id(event_class, | |
330 | stream_class->next_event_id)) { | |
331 | BT_LOGE("Cannot set event class's ID: id=%" PRId64, | |
332 | stream_class->next_event_id); | |
333 | ret = -1; | |
334 | goto end; | |
335 | } | |
336 | stream_class->next_event_id++; | |
337 | *event_id = stream_class->next_event_id; | |
338 | } | |
339 | ||
c2606e2f | 340 | bt_ctf_object_set_parent(&event_class->base, &stream_class->base); |
086dc475 PP |
341 | |
342 | if (trace) { | |
343 | /* | |
344 | * At this point we know that the function will be | |
345 | * successful. Therefore we can replace the event | |
346 | * class's field types with what's in the validation | |
347 | * output structure and mark this event class as valid. | |
348 | */ | |
349 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
350 | &validation_output, validation_flags); | |
351 | event_class->valid = 1; | |
352 | ||
353 | /* | |
354 | * Put what was not moved in | |
355 | * bt_ctf_validation_replace_types(). | |
356 | */ | |
357 | bt_ctf_validation_output_put_types(&validation_output); | |
358 | } | |
359 | ||
360 | /* Add to the event classes of the stream class */ | |
361 | g_ptr_array_add(stream_class->event_classes, event_class); | |
362 | g_hash_table_insert(stream_class->event_classes_ht, event_id, | |
363 | event_class); | |
364 | event_id = NULL; | |
365 | ||
366 | /* Freeze the event class */ | |
367 | bt_ctf_event_class_common_freeze(event_class); | |
368 | ||
369 | /* | |
370 | * It is safe to set the stream class's unique clock class | |
371 | * now if the stream class is frozen. | |
372 | */ | |
373 | if (stream_class->frozen && expected_clock_class) { | |
374 | BT_ASSERT(!stream_class->clock_class || | |
375 | stream_class->clock_class == expected_clock_class); | |
c2606e2f | 376 | BT_CTF_OBJECT_MOVE_REF(stream_class->clock_class, expected_clock_class); |
086dc475 PP |
377 | } |
378 | ||
379 | BT_LOGD("Added event class to stream class: " | |
380 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
381 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
382 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
383 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
384 | bt_ctf_stream_class_common_get_id(stream_class), | |
385 | event_class, | |
386 | bt_ctf_event_class_common_get_name(event_class), | |
387 | bt_ctf_event_class_common_get_id(event_class)); | |
388 | ||
389 | end: | |
390 | bt_ctf_validation_output_put_types(&validation_output); | |
c2606e2f | 391 | bt_ctf_object_put_ref(expected_clock_class); |
086dc475 PP |
392 | g_free(event_id); |
393 | return ret; | |
394 | } | |
395 | ||
396 | static | |
397 | int64_t get_event_class_count(void *element) | |
398 | { | |
399 | return bt_ctf_stream_class_get_event_class_count( | |
400 | (struct bt_ctf_stream_class *) element); | |
401 | } | |
402 | ||
403 | static | |
404 | void *get_event_class(void *element, int i) | |
405 | { | |
406 | return bt_ctf_stream_class_get_event_class_by_index( | |
407 | (struct bt_ctf_stream_class *) element, i); | |
408 | } | |
409 | ||
410 | static | |
411 | int visit_event_class(void *object, bt_ctf_visitor visitor,void *data) | |
412 | { | |
413 | struct bt_ctf_visitor_object obj = { | |
414 | .object = object, | |
415 | .type = BT_CTF_VISITOR_OBJECT_TYPE_EVENT_CLASS | |
416 | }; | |
417 | ||
418 | return visitor(&obj, data); | |
419 | } | |
420 | ||
421 | BT_HIDDEN | |
422 | int bt_ctf_stream_class_common_visit(struct bt_ctf_stream_class_common *stream_class, | |
423 | bt_ctf_visitor visitor, void *data) | |
424 | { | |
425 | int ret; | |
426 | struct bt_ctf_visitor_object obj = { | |
427 | .object = stream_class, | |
428 | .type = BT_CTF_VISITOR_OBJECT_TYPE_STREAM_CLASS | |
429 | }; | |
430 | ||
431 | if (!stream_class || !visitor) { | |
432 | BT_LOGW("Invalid parameter: stream class or visitor is NULL: " | |
433 | "stream-class-addr=%p, visitor=%p", | |
434 | stream_class, visitor); | |
435 | ret = -1; | |
436 | goto end; | |
437 | } | |
438 | ||
7b33a0e0 | 439 | ret = bt_ctf_visitor_helper(&obj, get_event_class_count, |
086dc475 PP |
440 | get_event_class, |
441 | visit_event_class, visitor, data); | |
c9ecaa78 | 442 | BT_LOGT("bt_ctf_visitor_helper() returned: ret=%d", ret); |
086dc475 PP |
443 | |
444 | end: | |
445 | return ret; | |
446 | } | |
447 | ||
448 | BT_HIDDEN | |
449 | int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class, | |
450 | bt_ctf_visitor visitor, void *data) | |
451 | { | |
452 | return bt_ctf_stream_class_common_visit(BT_CTF_FROM_COMMON(stream_class), | |
453 | visitor, data); | |
454 | } | |
455 | ||
456 | BT_HIDDEN | |
457 | void bt_ctf_stream_class_common_freeze(struct bt_ctf_stream_class_common *stream_class) | |
458 | { | |
459 | if (!stream_class || stream_class->frozen) { | |
460 | return; | |
461 | } | |
462 | ||
463 | BT_LOGD("Freezing stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
464 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
465 | bt_ctf_stream_class_common_get_id(stream_class)); | |
466 | stream_class->frozen = 1; | |
467 | bt_ctf_field_type_common_freeze(stream_class->event_header_field_type); | |
468 | bt_ctf_field_type_common_freeze(stream_class->packet_context_field_type); | |
469 | bt_ctf_field_type_common_freeze(stream_class->event_context_field_type); | |
470 | bt_ctf_clock_class_freeze(stream_class->clock_class); | |
471 | } | |
472 | ||
473 | BT_HIDDEN | |
474 | int bt_ctf_stream_class_common_validate_single_clock_class( | |
475 | struct bt_ctf_stream_class_common *stream_class, | |
476 | struct bt_ctf_clock_class **expected_clock_class) | |
477 | { | |
478 | int ret; | |
479 | uint64_t i; | |
480 | ||
481 | BT_ASSERT(stream_class); | |
482 | BT_ASSERT(expected_clock_class); | |
483 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
484 | stream_class->packet_context_field_type, | |
485 | expected_clock_class); | |
486 | if (ret) { | |
487 | BT_LOGW("Stream class's packet context field type " | |
488 | "is not recursively mapped to the " | |
489 | "expected clock class: " | |
490 | "stream-class-addr=%p, " | |
491 | "stream-class-name=\"%s\", " | |
492 | "stream-class-id=%" PRId64 ", " | |
493 | "ft-addr=%p", | |
494 | stream_class, | |
495 | bt_ctf_stream_class_common_get_name(stream_class), | |
496 | stream_class->id, | |
497 | stream_class->packet_context_field_type); | |
498 | goto end; | |
499 | } | |
500 | ||
501 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
502 | stream_class->event_header_field_type, | |
503 | expected_clock_class); | |
504 | if (ret) { | |
505 | BT_LOGW("Stream class's event header field type " | |
506 | "is not recursively mapped to the " | |
507 | "expected clock class: " | |
508 | "stream-class-addr=%p, " | |
509 | "stream-class-name=\"%s\", " | |
510 | "stream-class-id=%" PRId64 ", " | |
511 | "ft-addr=%p", | |
512 | stream_class, | |
513 | bt_ctf_stream_class_common_get_name(stream_class), | |
514 | stream_class->id, | |
515 | stream_class->event_header_field_type); | |
516 | goto end; | |
517 | } | |
518 | ||
519 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
520 | stream_class->event_context_field_type, | |
521 | expected_clock_class); | |
522 | if (ret) { | |
523 | BT_LOGW("Stream class's event context field type " | |
524 | "is not recursively mapped to the " | |
525 | "expected clock class: " | |
526 | "stream-class-addr=%p, " | |
527 | "stream-class-name=\"%s\", " | |
528 | "stream-class-id=%" PRId64 ", " | |
529 | "ft-addr=%p", | |
530 | stream_class, | |
531 | bt_ctf_stream_class_common_get_name(stream_class), | |
532 | stream_class->id, | |
533 | stream_class->event_context_field_type); | |
534 | goto end; | |
535 | } | |
536 | ||
537 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
538 | struct bt_ctf_event_class_common *event_class = | |
539 | g_ptr_array_index(stream_class->event_classes, i); | |
540 | ||
541 | BT_ASSERT(event_class); | |
542 | ret = bt_ctf_event_class_common_validate_single_clock_class( | |
543 | event_class, expected_clock_class); | |
544 | if (ret) { | |
545 | BT_LOGW("Stream class's event class contains a " | |
546 | "field type which is not recursively mapped to " | |
547 | "the expected clock class: " | |
548 | "stream-class-addr=%p, " | |
549 | "stream-class-name=\"%s\", " | |
550 | "stream-class-id=%" PRId64, | |
551 | stream_class, | |
552 | bt_ctf_stream_class_common_get_name(stream_class), | |
553 | stream_class->id); | |
554 | goto end; | |
555 | } | |
556 | } | |
557 | ||
558 | end: | |
559 | return ret; | |
560 | } | |
8deee039 PP |
561 | |
562 | static | |
563 | int init_event_header(struct bt_ctf_stream_class *stream_class) | |
564 | { | |
565 | int ret = 0; | |
566 | struct bt_ctf_field_type *event_header_type = | |
567 | bt_ctf_field_type_structure_create(); | |
568 | struct bt_ctf_field_type *_uint32_t = | |
569 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
570 | struct bt_ctf_field_type *_uint64_t = | |
571 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
572 | ||
573 | if (!event_header_type) { | |
574 | BT_LOGE_STR("Cannot create empty structure field type."); | |
575 | ret = -1; | |
576 | goto end; | |
577 | } | |
578 | ||
579 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
580 | _uint32_t, "id"); | |
581 | if (ret) { | |
582 | BT_LOGE_STR("Cannot add `id` field to event header field type."); | |
583 | goto end; | |
584 | } | |
585 | ||
586 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
587 | _uint64_t, "timestamp"); | |
588 | if (ret) { | |
589 | BT_LOGE_STR("Cannot add `timestamp` field to event header field type."); | |
590 | goto end; | |
591 | } | |
592 | ||
c2606e2f | 593 | bt_ctf_object_put_ref(stream_class->common.event_header_field_type); |
8deee039 PP |
594 | stream_class->common.event_header_field_type = |
595 | (void *) event_header_type; | |
596 | event_header_type = NULL; | |
597 | ||
598 | end: | |
599 | if (ret) { | |
c2606e2f | 600 | bt_ctf_object_put_ref(event_header_type); |
8deee039 PP |
601 | } |
602 | ||
c2606e2f PP |
603 | bt_ctf_object_put_ref(_uint32_t); |
604 | bt_ctf_object_put_ref(_uint64_t); | |
8deee039 PP |
605 | return ret; |
606 | } | |
607 | ||
608 | static | |
609 | int init_packet_context(struct bt_ctf_stream_class *stream_class) | |
610 | { | |
611 | int ret = 0; | |
612 | struct bt_ctf_field_type *packet_context_type = | |
613 | bt_ctf_field_type_structure_create(); | |
614 | struct bt_ctf_field_type *_uint64_t = | |
615 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
1564e3dc | 616 | struct bt_ctf_field_type *ts_begin_end_uint64_t = NULL; |
8deee039 PP |
617 | |
618 | if (!packet_context_type) { | |
619 | BT_LOGE_STR("Cannot create empty structure field type."); | |
620 | ret = -1; | |
621 | goto end; | |
622 | } | |
623 | ||
624 | ts_begin_end_uint64_t = bt_ctf_field_type_copy(_uint64_t); | |
625 | if (!ts_begin_end_uint64_t) { | |
626 | BT_LOGE_STR("Cannot copy integer field type for `timestamp_begin` and `timestamp_end` fields."); | |
627 | ret = -1; | |
628 | goto end; | |
629 | } | |
630 | ||
631 | /* | |
632 | * We create a stream packet context as proposed in the CTF | |
633 | * specification. | |
634 | */ | |
635 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
636 | ts_begin_end_uint64_t, "timestamp_begin"); | |
637 | if (ret) { | |
638 | BT_LOGE_STR("Cannot add `timestamp_begin` field to event header field type."); | |
639 | goto end; | |
640 | } | |
641 | ||
642 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
643 | ts_begin_end_uint64_t, "timestamp_end"); | |
644 | if (ret) { | |
645 | BT_LOGE_STR("Cannot add `timestamp_end` field to event header field type."); | |
646 | goto end; | |
647 | } | |
648 | ||
649 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
650 | _uint64_t, "content_size"); | |
651 | if (ret) { | |
652 | BT_LOGE_STR("Cannot add `content_size` field to event header field type."); | |
653 | goto end; | |
654 | } | |
655 | ||
656 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
657 | _uint64_t, "packet_size"); | |
658 | if (ret) { | |
659 | BT_LOGE_STR("Cannot add `packet_size` field to event header field type."); | |
660 | goto end; | |
661 | } | |
662 | ||
663 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
664 | _uint64_t, "events_discarded"); | |
665 | if (ret) { | |
666 | BT_LOGE_STR("Cannot add `events_discarded` field to event header field type."); | |
667 | goto end; | |
668 | } | |
669 | ||
c2606e2f | 670 | bt_ctf_object_put_ref(stream_class->common.packet_context_field_type); |
8deee039 PP |
671 | stream_class->common.packet_context_field_type = |
672 | (void *) packet_context_type; | |
673 | packet_context_type = NULL; | |
674 | ||
675 | end: | |
676 | if (ret) { | |
c2606e2f | 677 | bt_ctf_object_put_ref(packet_context_type); |
8deee039 PP |
678 | goto end; |
679 | } | |
680 | ||
c2606e2f PP |
681 | bt_ctf_object_put_ref(_uint64_t); |
682 | bt_ctf_object_put_ref(ts_begin_end_uint64_t); | |
8deee039 PP |
683 | return ret; |
684 | } | |
685 | ||
686 | static | |
c2606e2f | 687 | void bt_ctf_stream_class_destroy(struct bt_ctf_object *obj) |
8deee039 PP |
688 | { |
689 | struct bt_ctf_stream_class *stream_class; | |
690 | ||
691 | stream_class = (void *) obj; | |
692 | BT_LOGD("Destroying CTF writer stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
693 | stream_class, bt_ctf_stream_class_get_name(stream_class), | |
694 | bt_ctf_stream_class_get_id(stream_class)); | |
086dc475 | 695 | bt_ctf_stream_class_common_finalize(BT_CTF_TO_COMMON(stream_class)); |
c2606e2f | 696 | bt_ctf_object_put_ref(stream_class->clock); |
8deee039 PP |
697 | g_free(stream_class); |
698 | } | |
699 | ||
700 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) | |
701 | { | |
702 | struct bt_ctf_stream_class *stream_class; | |
703 | int ret; | |
704 | ||
705 | BT_LOGD("Creating CTF writer stream class object: name=\"%s\"", name); | |
706 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
707 | if (!stream_class) { | |
708 | BT_LOGE_STR("Failed to allocate one CTF writer stream class."); | |
709 | goto error; | |
710 | } | |
711 | ||
086dc475 | 712 | ret = bt_ctf_stream_class_common_initialize(BT_CTF_TO_COMMON(stream_class), |
8deee039 PP |
713 | name, bt_ctf_stream_class_destroy); |
714 | if (ret) { | |
086dc475 | 715 | /* bt_ctf_stream_class_common_initialize() logs errors */ |
8deee039 PP |
716 | goto error; |
717 | } | |
718 | ||
719 | ret = init_event_header(stream_class); | |
720 | if (ret) { | |
721 | BT_LOGE_STR("Cannot initialize stream class's event header field type."); | |
722 | goto error; | |
723 | } | |
724 | ||
725 | ret = init_packet_context(stream_class); | |
726 | if (ret) { | |
727 | BT_LOGE_STR("Cannot initialize stream class's packet context field type."); | |
728 | goto error; | |
729 | } | |
730 | ||
731 | BT_LOGD("Created CTF writer stream class object: addr=%p, name=\"%s\"", | |
732 | stream_class, name); | |
733 | return stream_class; | |
734 | ||
735 | error: | |
c2606e2f | 736 | BT_CTF_OBJECT_PUT_REF_AND_RESET(stream_class); |
8deee039 PP |
737 | return stream_class; |
738 | } | |
739 | ||
740 | static | |
741 | int try_map_clock_class(struct bt_ctf_stream_class *stream_class, | |
742 | struct bt_ctf_field_type *parent_ft, const char *field_name) | |
743 | { | |
744 | struct bt_ctf_clock_class *mapped_clock_class = NULL; | |
745 | int ret = 0; | |
746 | struct bt_ctf_field_type *ft = | |
747 | bt_ctf_field_type_structure_get_field_type_by_name(parent_ft, | |
748 | field_name); | |
749 | ||
750 | BT_ASSERT(stream_class->clock); | |
751 | ||
752 | if (!ft) { | |
753 | /* Field does not exist: not an error */ | |
754 | goto end; | |
755 | } | |
756 | ||
086dc475 PP |
757 | BT_ASSERT(((struct bt_ctf_field_type_common *) ft)->id == |
758 | BT_CTF_FIELD_TYPE_ID_INTEGER); | |
8deee039 PP |
759 | mapped_clock_class = |
760 | bt_ctf_field_type_integer_get_mapped_clock_class(ft); | |
761 | if (!mapped_clock_class) { | |
762 | struct bt_ctf_field_type *ft_copy; | |
763 | ||
764 | if (!stream_class->clock) { | |
765 | BT_LOGW("Cannot automatically set field's type mapped clock class: stream class's clock is not set: " | |
766 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
767 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
768 | stream_class, | |
769 | bt_ctf_stream_class_get_name(stream_class), | |
770 | bt_ctf_stream_class_get_id(stream_class), ft); | |
771 | ret = -1; | |
772 | goto end; | |
773 | } | |
774 | ||
775 | ft_copy = bt_ctf_field_type_copy(ft); | |
776 | if (!ft_copy) { | |
777 | BT_LOGE("Failed to copy integer field type: ft-addr=%p", | |
778 | ft); | |
c09dc0f9 FD |
779 | ret = -1; |
780 | goto end; | |
8deee039 PP |
781 | } |
782 | ||
086dc475 PP |
783 | ret = bt_ctf_field_type_common_integer_set_mapped_clock_class_no_check_frozen( |
784 | (void *) ft_copy, stream_class->clock->clock_class); | |
8deee039 PP |
785 | BT_ASSERT(ret == 0); |
786 | ||
086dc475 | 787 | ret = bt_ctf_field_type_common_structure_replace_field( |
8deee039 | 788 | (void *) parent_ft, field_name, (void *) ft_copy); |
c2606e2f | 789 | bt_ctf_object_put_ref(ft_copy); |
c9ecaa78 | 790 | BT_LOGT("Automatically mapped field type to stream class's clock class: " |
8deee039 PP |
791 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
792 | "stream-class-id=%" PRId64 ", ft-addr=%p, " | |
793 | "ft-copy-addr=%p", | |
794 | stream_class, | |
795 | bt_ctf_stream_class_get_name(stream_class), | |
796 | bt_ctf_stream_class_get_id(stream_class), ft, ft_copy); | |
797 | } | |
798 | ||
799 | end: | |
c2606e2f PP |
800 | bt_ctf_object_put_ref(ft); |
801 | bt_ctf_object_put_ref(mapped_clock_class); | |
8deee039 PP |
802 | return ret; |
803 | } | |
804 | ||
805 | BT_HIDDEN | |
806 | int bt_ctf_stream_class_map_clock_class( | |
807 | struct bt_ctf_stream_class *stream_class, | |
808 | struct bt_ctf_field_type *packet_context_type, | |
809 | struct bt_ctf_field_type *event_header_type) | |
810 | { | |
811 | int ret = 0; | |
812 | ||
813 | BT_ASSERT(stream_class); | |
814 | ||
815 | if (!stream_class->clock) { | |
816 | /* No clock class to map to */ | |
817 | goto end; | |
818 | } | |
819 | ||
820 | if (packet_context_type) { | |
821 | if (try_map_clock_class(stream_class, packet_context_type, | |
822 | "timestamp_begin")) { | |
823 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_begin` field's mapped clock class."); | |
824 | ret = -1; | |
825 | goto end; | |
826 | } | |
827 | ||
828 | if (try_map_clock_class(stream_class, packet_context_type, | |
829 | "timestamp_end")) { | |
830 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_end` field's mapped clock class."); | |
831 | ret = -1; | |
832 | goto end; | |
833 | } | |
834 | } | |
835 | ||
836 | if (event_header_type) { | |
837 | if (try_map_clock_class(stream_class, event_header_type, | |
838 | "timestamp")) { | |
839 | BT_LOGE_STR("Cannot automatically set stream class's event header field type's `timestamp` field's mapped clock class."); | |
840 | ret = -1; | |
841 | goto end; | |
842 | } | |
843 | } | |
844 | ||
845 | end: | |
846 | return ret; | |
847 | } | |
848 | ||
849 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( | |
850 | struct bt_ctf_stream_class *stream_class) | |
851 | { | |
852 | struct bt_ctf_clock *clock = NULL; | |
853 | ||
854 | if (!stream_class) { | |
855 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
856 | goto end; | |
857 | } | |
858 | ||
859 | if (!stream_class->clock) { | |
c9ecaa78 | 860 | BT_LOGT("Stream class has no clock: " |
8deee039 PP |
861 | "addr=%p, name=\"%s\", id=%" PRId64, |
862 | stream_class, | |
863 | bt_ctf_stream_class_get_name(stream_class), | |
864 | bt_ctf_stream_class_get_id(stream_class)); | |
865 | goto end; | |
866 | } | |
867 | ||
c2606e2f | 868 | clock = bt_ctf_object_get_ref(stream_class->clock); |
8deee039 PP |
869 | |
870 | end: | |
871 | return clock; | |
872 | } | |
873 | ||
874 | int bt_ctf_stream_class_set_clock( | |
875 | struct bt_ctf_stream_class *stream_class, | |
876 | struct bt_ctf_clock *clock) | |
877 | { | |
878 | int ret = 0; | |
879 | ||
880 | if (!stream_class || !clock) { | |
881 | BT_LOGW("Invalid parameter: stream class or clock is NULL: " | |
882 | "stream-class-addr=%p, clock-addr=%p", | |
883 | stream_class, clock); | |
884 | ret = -1; | |
885 | goto end; | |
886 | } | |
887 | ||
888 | if (stream_class->common.frozen) { | |
889 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
890 | "addr=%p, name=\"%s\", id=%" PRId64, | |
891 | stream_class, | |
892 | bt_ctf_stream_class_get_name(stream_class), | |
893 | bt_ctf_stream_class_get_id(stream_class)); | |
894 | ret = -1; | |
895 | goto end; | |
896 | } | |
897 | ||
898 | /* Replace the current clock of this stream class. */ | |
c2606e2f PP |
899 | bt_ctf_object_put_ref(stream_class->clock); |
900 | stream_class->clock = bt_ctf_object_get_ref(clock); | |
c9ecaa78 | 901 | BT_LOGT("Set stream class's clock: " |
8deee039 PP |
902 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
903 | "clock-addr=%p, clock-name=\"%s\"", | |
904 | stream_class, | |
905 | bt_ctf_stream_class_get_name(stream_class), | |
906 | bt_ctf_stream_class_get_id(stream_class), | |
907 | stream_class->clock, | |
908 | bt_ctf_clock_get_name(stream_class->clock)); | |
909 | ||
910 | end: | |
911 | return ret; | |
912 | } | |
913 | ||
914 | BT_HIDDEN | |
915 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
916 | struct metadata_context *context) | |
917 | { | |
918 | int ret = 0; | |
919 | size_t i; | |
920 | struct bt_ctf_trace *trace; | |
921 | struct bt_ctf_field_type *packet_header_type = NULL; | |
922 | ||
923 | BT_LOGD("Serializing stream class's metadata: " | |
924 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
925 | "stream-class-id=%" PRId64 ", metadata-context-addr=%p", | |
926 | stream_class, | |
927 | bt_ctf_stream_class_get_name(stream_class), | |
928 | bt_ctf_stream_class_get_id(stream_class), context); | |
929 | g_string_assign(context->field_name, ""); | |
930 | context->current_indentation_level = 1; | |
931 | if (!stream_class->common.id_set) { | |
932 | BT_LOGW_STR("Stream class's ID is not set."); | |
933 | ret = -1; | |
934 | goto end; | |
935 | } | |
936 | ||
937 | g_string_append(context->string, "stream {\n"); | |
938 | ||
939 | /* | |
940 | * The reference to the trace is only borrowed since the | |
941 | * serialization of the stream class might have been triggered | |
942 | * by the trace's destruction. In such a case, the trace's | |
943 | * reference count would, unexepectedly, go through the sequence | |
944 | * 1 -> 0 -> 1 -> 0 -> ..., provoking an endless loop of destruction | |
945 | * and serialization. | |
946 | */ | |
086dc475 PP |
947 | trace = BT_CTF_FROM_COMMON(bt_ctf_stream_class_common_borrow_trace( |
948 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
949 | BT_ASSERT(trace); |
950 | packet_header_type = bt_ctf_trace_get_packet_header_field_type(trace); | |
951 | trace = NULL; | |
952 | if (packet_header_type) { | |
953 | struct bt_ctf_field_type *stream_id_type; | |
954 | ||
955 | stream_id_type = | |
956 | bt_ctf_field_type_structure_get_field_type_by_name( | |
957 | packet_header_type, "stream_id"); | |
958 | if (stream_id_type) { | |
959 | /* | |
960 | * Only set the stream's id if the trace's packet header | |
961 | * contains a stream_id field. This field is only | |
962 | * needed if the trace contains only one stream | |
963 | * class. | |
964 | */ | |
965 | g_string_append_printf(context->string, | |
966 | "\tid = %" PRId64 ";\n", | |
967 | stream_class->common.id); | |
968 | } | |
c2606e2f | 969 | bt_ctf_object_put_ref(stream_id_type); |
8deee039 PP |
970 | } |
971 | if (stream_class->common.event_header_field_type) { | |
972 | BT_LOGD_STR("Serializing stream class's event header field type's metadata."); | |
973 | g_string_append(context->string, "\tevent.header := "); | |
974 | ret = bt_ctf_field_type_serialize_recursive( | |
975 | (void *) stream_class->common.event_header_field_type, | |
976 | context); | |
977 | if (ret) { | |
978 | BT_LOGW("Cannot serialize stream class's event header field type's metadata: " | |
979 | "ret=%d", ret); | |
980 | goto end; | |
981 | } | |
982 | g_string_append(context->string, ";"); | |
983 | } | |
984 | ||
985 | ||
986 | if (stream_class->common.packet_context_field_type) { | |
987 | BT_LOGD_STR("Serializing stream class's packet context field type's metadata."); | |
988 | g_string_append(context->string, "\n\n\tpacket.context := "); | |
989 | ret = bt_ctf_field_type_serialize_recursive( | |
990 | (void *) stream_class->common.packet_context_field_type, | |
991 | context); | |
992 | if (ret) { | |
993 | BT_LOGW("Cannot serialize stream class's packet context field type's metadata: " | |
994 | "ret=%d", ret); | |
995 | goto end; | |
996 | } | |
997 | g_string_append(context->string, ";"); | |
998 | } | |
999 | ||
1000 | if (stream_class->common.event_context_field_type) { | |
1001 | BT_LOGD_STR("Serializing stream class's event context field type's metadata."); | |
1002 | g_string_append(context->string, "\n\n\tevent.context := "); | |
1003 | ret = bt_ctf_field_type_serialize_recursive( | |
1004 | (void *) stream_class->common.event_context_field_type, | |
1005 | context); | |
1006 | if (ret) { | |
1007 | BT_LOGW("Cannot serialize stream class's event context field type's metadata: " | |
1008 | "ret=%d", ret); | |
1009 | goto end; | |
1010 | } | |
1011 | g_string_append(context->string, ";"); | |
1012 | } | |
1013 | ||
1014 | g_string_append(context->string, "\n};\n\n"); | |
1015 | ||
1016 | for (i = 0; i < stream_class->common.event_classes->len; i++) { | |
1017 | struct bt_ctf_event_class *event_class = | |
1018 | stream_class->common.event_classes->pdata[i]; | |
1019 | ||
1020 | ret = bt_ctf_event_class_serialize(event_class, context); | |
1021 | if (ret) { | |
1022 | BT_LOGW("Cannot serialize event class's metadata: " | |
1023 | "event-class-addr=%p, event-class-name=\"%s\", " | |
1024 | "event-class-id=%" PRId64, | |
1025 | event_class, | |
1026 | bt_ctf_event_class_get_name(event_class), | |
1027 | bt_ctf_event_class_get_id(event_class)); | |
1028 | goto end; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | end: | |
c2606e2f | 1033 | bt_ctf_object_put_ref(packet_header_type); |
8deee039 PP |
1034 | context->current_indentation_level = 0; |
1035 | return ret; | |
1036 | } | |
1037 | ||
1038 | struct bt_ctf_trace *bt_ctf_stream_class_get_trace( | |
1039 | struct bt_ctf_stream_class *stream_class) | |
1040 | { | |
c2606e2f | 1041 | return bt_ctf_object_get_ref(bt_ctf_stream_class_common_borrow_trace( |
086dc475 | 1042 | BT_CTF_TO_COMMON(stream_class))); |
8deee039 PP |
1043 | } |
1044 | ||
1045 | const char *bt_ctf_stream_class_get_name( | |
1046 | struct bt_ctf_stream_class *stream_class) | |
1047 | { | |
086dc475 | 1048 | return bt_ctf_stream_class_common_get_name(BT_CTF_TO_COMMON(stream_class)); |
8deee039 PP |
1049 | } |
1050 | ||
1051 | int bt_ctf_stream_class_set_name( | |
1052 | struct bt_ctf_stream_class *stream_class, const char *name) | |
1053 | { | |
086dc475 | 1054 | return bt_ctf_stream_class_common_set_name(BT_CTF_TO_COMMON(stream_class), |
8deee039 PP |
1055 | name); |
1056 | } | |
1057 | ||
1058 | int64_t bt_ctf_stream_class_get_id( | |
1059 | struct bt_ctf_stream_class *stream_class) | |
1060 | { | |
086dc475 | 1061 | return bt_ctf_stream_class_common_get_id(BT_CTF_TO_COMMON(stream_class)); |
8deee039 PP |
1062 | } |
1063 | ||
1064 | int bt_ctf_stream_class_set_id( | |
1065 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1066 | { | |
086dc475 | 1067 | return bt_ctf_stream_class_common_set_id(BT_CTF_TO_COMMON(stream_class), id); |
8deee039 PP |
1068 | } |
1069 | ||
1070 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( | |
1071 | struct bt_ctf_stream_class *stream_class) | |
1072 | { | |
c2606e2f | 1073 | return bt_ctf_object_get_ref( |
086dc475 PP |
1074 | bt_ctf_stream_class_common_borrow_packet_context_field_type( |
1075 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1076 | } |
1077 | ||
1078 | int bt_ctf_stream_class_set_packet_context_type( | |
1079 | struct bt_ctf_stream_class *stream_class, | |
1080 | struct bt_ctf_field_type *packet_context_type) | |
1081 | { | |
086dc475 PP |
1082 | return bt_ctf_stream_class_common_set_packet_context_field_type( |
1083 | BT_CTF_TO_COMMON(stream_class), (void *) packet_context_type); | |
8deee039 PP |
1084 | } |
1085 | ||
1086 | struct bt_ctf_field_type * | |
1087 | bt_ctf_stream_class_get_event_header_type( | |
1088 | struct bt_ctf_stream_class *stream_class) | |
1089 | { | |
c2606e2f | 1090 | return bt_ctf_object_get_ref( |
086dc475 PP |
1091 | bt_ctf_stream_class_common_borrow_event_header_field_type( |
1092 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1093 | } |
1094 | ||
1095 | int bt_ctf_stream_class_set_event_header_type( | |
1096 | struct bt_ctf_stream_class *stream_class, | |
1097 | struct bt_ctf_field_type *event_header_type) | |
1098 | { | |
086dc475 PP |
1099 | return bt_ctf_stream_class_common_set_event_header_field_type( |
1100 | BT_CTF_TO_COMMON(stream_class), (void *) event_header_type); | |
8deee039 PP |
1101 | } |
1102 | ||
1103 | struct bt_ctf_field_type * | |
1104 | bt_ctf_stream_class_get_event_context_type( | |
1105 | struct bt_ctf_stream_class *stream_class) | |
1106 | { | |
c2606e2f | 1107 | return bt_ctf_object_get_ref( |
086dc475 PP |
1108 | bt_ctf_stream_class_common_borrow_event_context_field_type( |
1109 | BT_CTF_TO_COMMON(stream_class))); | |
8deee039 PP |
1110 | } |
1111 | ||
1112 | int bt_ctf_stream_class_set_event_context_type( | |
1113 | struct bt_ctf_stream_class *stream_class, | |
1114 | struct bt_ctf_field_type *event_context_type) | |
1115 | { | |
086dc475 PP |
1116 | return bt_ctf_stream_class_common_set_event_context_field_type( |
1117 | BT_CTF_TO_COMMON(stream_class), (void *) event_context_type); | |
8deee039 PP |
1118 | } |
1119 | ||
1120 | int64_t bt_ctf_stream_class_get_event_class_count( | |
1121 | struct bt_ctf_stream_class *stream_class) | |
1122 | { | |
086dc475 PP |
1123 | return bt_ctf_stream_class_common_get_event_class_count( |
1124 | BT_CTF_TO_COMMON(stream_class)); | |
8deee039 PP |
1125 | } |
1126 | ||
1127 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_index( | |
1128 | struct bt_ctf_stream_class *stream_class, uint64_t index) | |
1129 | { | |
c2606e2f | 1130 | return bt_ctf_object_get_ref( |
086dc475 PP |
1131 | bt_ctf_stream_class_common_borrow_event_class_by_index( |
1132 | BT_CTF_TO_COMMON(stream_class), index)); | |
8deee039 PP |
1133 | } |
1134 | ||
1135 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id( | |
1136 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1137 | { | |
c2606e2f | 1138 | return bt_ctf_object_get_ref( |
086dc475 PP |
1139 | bt_ctf_stream_class_common_borrow_event_class_by_id( |
1140 | BT_CTF_TO_COMMON(stream_class), id)); | |
8deee039 PP |
1141 | } |
1142 | ||
1143 | int bt_ctf_stream_class_add_event_class( | |
1144 | struct bt_ctf_stream_class *stream_class, | |
1145 | struct bt_ctf_event_class *event_class) | |
1146 | { | |
086dc475 PP |
1147 | return bt_ctf_stream_class_common_add_event_class( |
1148 | BT_CTF_TO_COMMON(stream_class), BT_CTF_TO_COMMON(event_class), | |
1149 | (bt_ctf_validation_flag_copy_field_type_func) bt_ctf_field_type_copy); | |
8deee039 | 1150 | } |