Commit | Line | Data |
---|---|---|
3dca2276 | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
3dca2276 PP |
4 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
5 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> | |
3dca2276 PP |
6 | */ |
7 | ||
350ad6c1 | 8 | #define BT_LOG_TAG "CTF-WRITER/STREAM-CLASS" |
67d2ce02 | 9 | #include "logging.h" |
3dca2276 | 10 | |
3dca2276 | 11 | #include <inttypes.h> |
16ca5ff0 PP |
12 | #include <stdint.h> |
13 | ||
217cf9d3 PP |
14 | #include <babeltrace2-ctf-writer/event.h> |
15 | #include <babeltrace2-ctf-writer/object.h> | |
16 | #include <babeltrace2-ctf-writer/trace.h> | |
17 | #include <babeltrace2-ctf-writer/utils.h> | |
578e048b MJ |
18 | |
19 | #include "common/align.h" | |
20 | #include "common/assert.h" | |
21 | #include "compat/compiler.h" | |
22 | #include "compat/endian.h" | |
23 | ||
24 | #include "assert-pre.h" | |
25 | #include "clock-class.h" | |
26 | #include "event-class.h" | |
27 | #include "event.h" | |
28 | #include "fields.h" | |
29 | #include "field-types.h" | |
30 | #include "field-wrapper.h" | |
31 | #include "stream-class.h" | |
32 | #include "utils.h" | |
33 | #include "validation.h" | |
34 | #include "visitor.h" | |
35 | #include "writer.h" | |
36 | ||
16ca5ff0 PP |
37 | BT_HIDDEN |
38 | int bt_ctf_stream_class_common_initialize(struct bt_ctf_stream_class_common *stream_class, | |
e1e02a22 | 39 | const char *name, bt_ctf_object_release_func release_func) |
16ca5ff0 PP |
40 | { |
41 | BT_LOGD("Initializing common stream class object: name=\"%s\"", name); | |
42 | ||
e1e02a22 | 43 | bt_ctf_object_init_shared_with_parent(&stream_class->base, release_func); |
16ca5ff0 PP |
44 | stream_class->name = g_string_new(name); |
45 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
e1e02a22 | 46 | (GDestroyNotify) bt_ctf_object_try_spec_release); |
16ca5ff0 PP |
47 | if (!stream_class->event_classes) { |
48 | BT_LOGE_STR("Failed to allocate a GPtrArray."); | |
49 | goto error; | |
50 | } | |
51 | ||
52 | stream_class->event_classes_ht = g_hash_table_new_full(g_int64_hash, | |
53 | g_int64_equal, g_free, NULL); | |
54 | if (!stream_class->event_classes_ht) { | |
55 | BT_LOGE_STR("Failed to allocate a GHashTable."); | |
56 | goto error; | |
57 | } | |
58 | ||
59 | BT_LOGD("Initialized common stream class object: addr=%p, name=\"%s\"", | |
60 | stream_class, name); | |
61 | return 0; | |
62 | ||
63 | error: | |
64 | return -1; | |
65 | } | |
66 | ||
67 | BT_HIDDEN | |
68 | void bt_ctf_stream_class_common_finalize(struct bt_ctf_stream_class_common *stream_class) | |
69 | { | |
70 | BT_LOGD("Finalizing common stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
71 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
72 | bt_ctf_stream_class_common_get_id(stream_class)); | |
e1e02a22 | 73 | bt_ctf_object_put_ref(stream_class->clock_class); |
16ca5ff0 PP |
74 | |
75 | if (stream_class->event_classes_ht) { | |
76 | g_hash_table_destroy(stream_class->event_classes_ht); | |
77 | } | |
78 | if (stream_class->event_classes) { | |
79 | BT_LOGD_STR("Destroying event classes."); | |
80 | g_ptr_array_free(stream_class->event_classes, TRUE); | |
81 | } | |
82 | ||
83 | if (stream_class->name) { | |
84 | g_string_free(stream_class->name, TRUE); | |
85 | } | |
86 | ||
87 | BT_LOGD_STR("Putting event header field type."); | |
e1e02a22 | 88 | bt_ctf_object_put_ref(stream_class->event_header_field_type); |
16ca5ff0 | 89 | BT_LOGD_STR("Putting packet context field type."); |
e1e02a22 | 90 | bt_ctf_object_put_ref(stream_class->packet_context_field_type); |
16ca5ff0 | 91 | BT_LOGD_STR("Putting event context field type."); |
e1e02a22 | 92 | bt_ctf_object_put_ref(stream_class->event_context_field_type); |
16ca5ff0 PP |
93 | } |
94 | ||
95 | static | |
96 | void event_class_exists(gpointer element, gpointer query) | |
97 | { | |
98 | struct bt_ctf_event_class_common *event_class_a = element; | |
99 | struct bt_ctf_search_query *search_query = query; | |
100 | struct bt_ctf_event_class_common *event_class_b = search_query->value; | |
101 | int64_t id_a, id_b; | |
102 | ||
103 | if (search_query->value == element) { | |
104 | search_query->found = 1; | |
105 | goto end; | |
106 | } | |
107 | ||
108 | /* | |
109 | * Two event classes cannot share the same ID in a given | |
110 | * stream class. | |
111 | */ | |
112 | id_a = bt_ctf_event_class_common_get_id(event_class_a); | |
113 | id_b = bt_ctf_event_class_common_get_id(event_class_b); | |
114 | ||
115 | if (id_a < 0 || id_b < 0) { | |
116 | /* at least one ID is not set: will be automatically set later */ | |
117 | goto end; | |
118 | } | |
119 | ||
120 | if (id_a == id_b) { | |
121 | BT_LOGW("Event class with this ID already exists in the stream class: " | |
122 | "id=%" PRId64 ", name=\"%s\"", | |
123 | id_a, bt_ctf_event_class_common_get_name(event_class_a)); | |
124 | search_query->found = 1; | |
125 | goto end; | |
126 | } | |
127 | ||
128 | end: | |
129 | return; | |
130 | } | |
131 | ||
132 | BT_HIDDEN | |
133 | int bt_ctf_stream_class_common_add_event_class( | |
134 | struct bt_ctf_stream_class_common *stream_class, | |
135 | struct bt_ctf_event_class_common *event_class, | |
136 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) | |
137 | { | |
138 | int ret = 0; | |
139 | int64_t *event_id = NULL; | |
140 | struct bt_ctf_trace_common *trace = NULL; | |
141 | struct bt_ctf_stream_class_common *old_stream_class = NULL; | |
142 | struct bt_ctf_validation_output validation_output = { 0 }; | |
143 | struct bt_ctf_field_type_common *packet_header_type = NULL; | |
144 | struct bt_ctf_field_type_common *packet_context_type = NULL; | |
145 | struct bt_ctf_field_type_common *event_header_type = NULL; | |
146 | struct bt_ctf_field_type_common *stream_event_ctx_type = NULL; | |
147 | struct bt_ctf_field_type_common *event_context_type = NULL; | |
148 | struct bt_ctf_field_type_common *event_payload_type = NULL; | |
149 | const enum bt_ctf_validation_flag validation_flags = | |
150 | BT_CTF_VALIDATION_FLAG_EVENT; | |
151 | struct bt_ctf_clock_class *expected_clock_class = NULL; | |
96741e7f | 152 | struct bt_ctf_search_query query = { .value = event_class, .found = 0 }; |
16ca5ff0 | 153 | |
98b15851 | 154 | BT_ASSERT_DBG(copy_field_type_func); |
16ca5ff0 PP |
155 | |
156 | if (!stream_class || !event_class) { | |
157 | BT_LOGW("Invalid parameter: stream class or event class is NULL: " | |
158 | "stream-class-addr=%p, event-class-addr=%p", | |
159 | stream_class, event_class); | |
160 | ret = -1; | |
161 | goto end; | |
162 | } | |
163 | ||
164 | BT_LOGD("Adding event class to stream class: " | |
165 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
166 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
167 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
168 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
169 | bt_ctf_stream_class_common_get_id(stream_class), | |
170 | event_class, | |
171 | bt_ctf_event_class_common_get_name(event_class), | |
172 | bt_ctf_event_class_common_get_id(event_class)); | |
173 | trace = bt_ctf_stream_class_common_borrow_trace(stream_class); | |
174 | ||
175 | if (stream_class->frozen) { | |
176 | /* | |
177 | * We only check that the event class to be added has a | |
178 | * single class which matches the stream class's | |
179 | * expected clock class if the stream class is frozen. | |
180 | * If it's not, then this event class is added "as is" | |
181 | * and the validation will be performed when calling | |
182 | * either bt_ctf_trace_add_stream_class() or | |
183 | * bt_ctf_event_create(). This is because the stream class's | |
184 | * field types (packet context, event header, event | |
185 | * context) could change before the next call to one of | |
186 | * those two functions. | |
187 | */ | |
e1e02a22 | 188 | expected_clock_class = bt_ctf_object_get_ref(stream_class->clock_class); |
16ca5ff0 PP |
189 | |
190 | /* | |
191 | * At this point, `expected_clock_class` can be NULL, | |
192 | * and bt_ctf_event_class_validate_single_clock_class() | |
193 | * below can set it. | |
194 | */ | |
195 | ret = bt_ctf_event_class_common_validate_single_clock_class( | |
196 | event_class, &expected_clock_class); | |
197 | if (ret) { | |
198 | BT_LOGW("Event class contains a field type which is not " | |
199 | "recursively mapped to its stream class's " | |
200 | "expected clock class: " | |
201 | "stream-class-addr=%p, " | |
202 | "stream-class-id=%" PRId64 ", " | |
203 | "stream-class-name=\"%s\", " | |
204 | "expected-clock-class-addr=%p, " | |
205 | "expected-clock-class-name=\"%s\"", | |
206 | stream_class, | |
207 | bt_ctf_stream_class_common_get_id(stream_class), | |
208 | bt_ctf_stream_class_common_get_name(stream_class), | |
209 | expected_clock_class, | |
210 | expected_clock_class ? | |
211 | bt_ctf_clock_class_get_name(expected_clock_class) : | |
212 | NULL); | |
213 | goto end; | |
214 | } | |
215 | } | |
216 | ||
217 | event_id = g_new(int64_t, 1); | |
218 | if (!event_id) { | |
219 | BT_LOGE_STR("Failed to allocate one int64_t."); | |
220 | ret = -1; | |
221 | goto end; | |
222 | } | |
223 | ||
224 | /* Check for duplicate event classes */ | |
16ca5ff0 PP |
225 | g_ptr_array_foreach(stream_class->event_classes, event_class_exists, |
226 | &query); | |
227 | if (query.found) { | |
228 | BT_LOGW_STR("Another event class part of this stream class has the same ID."); | |
229 | ret = -1; | |
230 | goto end; | |
231 | } | |
232 | ||
233 | old_stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); | |
234 | if (old_stream_class) { | |
235 | /* Event class is already associated to a stream class. */ | |
236 | BT_LOGW("Event class is already part of another stream class: " | |
237 | "event-class-stream-class-addr=%p, " | |
238 | "event-class-stream-class-name=\"%s\", " | |
239 | "event-class-stream-class-id=%" PRId64, | |
240 | old_stream_class, | |
241 | bt_ctf_stream_class_common_get_name(old_stream_class), | |
242 | bt_ctf_stream_class_common_get_id(old_stream_class)); | |
243 | ret = -1; | |
244 | goto end; | |
245 | } | |
246 | ||
247 | if (trace) { | |
248 | /* | |
249 | * If the stream class is associated with a trace, then | |
250 | * both those objects are frozen. Also, this event class | |
251 | * is about to be frozen. | |
252 | * | |
253 | * Therefore the event class must be validated here. | |
254 | * The trace and stream class should be valid at this | |
255 | * point. | |
256 | */ | |
98b15851 PP |
257 | BT_ASSERT_DBG(trace->valid); |
258 | BT_ASSERT_DBG(stream_class->valid); | |
16ca5ff0 PP |
259 | packet_header_type = |
260 | bt_ctf_trace_common_borrow_packet_header_field_type(trace); | |
261 | packet_context_type = | |
262 | bt_ctf_stream_class_common_borrow_packet_context_field_type( | |
263 | stream_class); | |
264 | event_header_type = | |
265 | bt_ctf_stream_class_common_borrow_event_header_field_type( | |
266 | stream_class); | |
267 | stream_event_ctx_type = | |
268 | bt_ctf_stream_class_common_borrow_event_context_field_type( | |
269 | stream_class); | |
270 | event_context_type = | |
271 | bt_ctf_event_class_common_borrow_context_field_type( | |
272 | event_class); | |
273 | event_payload_type = | |
274 | bt_ctf_event_class_common_borrow_payload_field_type( | |
275 | event_class); | |
276 | ret = bt_ctf_validate_class_types( | |
277 | trace->environment, packet_header_type, | |
278 | packet_context_type, event_header_type, | |
279 | stream_event_ctx_type, event_context_type, | |
280 | event_payload_type, trace->valid, | |
281 | stream_class->valid, event_class->valid, | |
282 | &validation_output, validation_flags, | |
283 | copy_field_type_func); | |
284 | ||
285 | if (ret) { | |
286 | /* | |
287 | * This means something went wrong during the | |
288 | * validation process, not that the objects are | |
289 | * invalid. | |
290 | */ | |
291 | BT_LOGE("Failed to validate event class: ret=%d", ret); | |
292 | goto end; | |
293 | } | |
294 | ||
295 | if ((validation_output.valid_flags & validation_flags) != | |
296 | validation_flags) { | |
297 | /* Invalid event class */ | |
298 | BT_LOGW("Invalid trace, stream class, or event class: " | |
299 | "valid-flags=0x%x", | |
300 | validation_output.valid_flags); | |
301 | ret = -1; | |
302 | goto end; | |
303 | } | |
304 | } | |
305 | ||
306 | /* Only set an event ID if none was explicitly set before */ | |
307 | *event_id = bt_ctf_event_class_common_get_id(event_class); | |
308 | if (*event_id < 0) { | |
ef267d12 | 309 | BT_LOGT("Event class has no ID: automatically setting it: " |
16ca5ff0 PP |
310 | "id=%" PRId64, stream_class->next_event_id); |
311 | ||
312 | if (bt_ctf_event_class_common_set_id(event_class, | |
313 | stream_class->next_event_id)) { | |
314 | BT_LOGE("Cannot set event class's ID: id=%" PRId64, | |
315 | stream_class->next_event_id); | |
316 | ret = -1; | |
317 | goto end; | |
318 | } | |
319 | stream_class->next_event_id++; | |
320 | *event_id = stream_class->next_event_id; | |
321 | } | |
322 | ||
e1e02a22 | 323 | bt_ctf_object_set_parent(&event_class->base, &stream_class->base); |
16ca5ff0 PP |
324 | |
325 | if (trace) { | |
326 | /* | |
327 | * At this point we know that the function will be | |
328 | * successful. Therefore we can replace the event | |
329 | * class's field types with what's in the validation | |
330 | * output structure and mark this event class as valid. | |
331 | */ | |
332 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
333 | &validation_output, validation_flags); | |
334 | event_class->valid = 1; | |
335 | ||
336 | /* | |
337 | * Put what was not moved in | |
338 | * bt_ctf_validation_replace_types(). | |
339 | */ | |
340 | bt_ctf_validation_output_put_types(&validation_output); | |
341 | } | |
342 | ||
343 | /* Add to the event classes of the stream class */ | |
344 | g_ptr_array_add(stream_class->event_classes, event_class); | |
345 | g_hash_table_insert(stream_class->event_classes_ht, event_id, | |
346 | event_class); | |
347 | event_id = NULL; | |
348 | ||
349 | /* Freeze the event class */ | |
350 | bt_ctf_event_class_common_freeze(event_class); | |
351 | ||
352 | /* | |
353 | * It is safe to set the stream class's unique clock class | |
354 | * now if the stream class is frozen. | |
355 | */ | |
356 | if (stream_class->frozen && expected_clock_class) { | |
98b15851 | 357 | BT_ASSERT_DBG(!stream_class->clock_class || |
16ca5ff0 | 358 | stream_class->clock_class == expected_clock_class); |
e1e02a22 | 359 | BT_CTF_OBJECT_MOVE_REF(stream_class->clock_class, expected_clock_class); |
16ca5ff0 PP |
360 | } |
361 | ||
362 | BT_LOGD("Added event class to stream class: " | |
363 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
364 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
365 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
366 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
367 | bt_ctf_stream_class_common_get_id(stream_class), | |
368 | event_class, | |
369 | bt_ctf_event_class_common_get_name(event_class), | |
370 | bt_ctf_event_class_common_get_id(event_class)); | |
371 | ||
372 | end: | |
373 | bt_ctf_validation_output_put_types(&validation_output); | |
e1e02a22 | 374 | bt_ctf_object_put_ref(expected_clock_class); |
16ca5ff0 PP |
375 | g_free(event_id); |
376 | return ret; | |
377 | } | |
378 | ||
379 | static | |
380 | int64_t get_event_class_count(void *element) | |
381 | { | |
382 | return bt_ctf_stream_class_get_event_class_count( | |
383 | (struct bt_ctf_stream_class *) element); | |
384 | } | |
385 | ||
386 | static | |
387 | void *get_event_class(void *element, int i) | |
388 | { | |
389 | return bt_ctf_stream_class_get_event_class_by_index( | |
390 | (struct bt_ctf_stream_class *) element, i); | |
391 | } | |
392 | ||
393 | static | |
394 | int visit_event_class(void *object, bt_ctf_visitor visitor,void *data) | |
395 | { | |
396 | struct bt_ctf_visitor_object obj = { | |
397 | .object = object, | |
398 | .type = BT_CTF_VISITOR_OBJECT_TYPE_EVENT_CLASS | |
399 | }; | |
400 | ||
401 | return visitor(&obj, data); | |
402 | } | |
403 | ||
404 | BT_HIDDEN | |
405 | int bt_ctf_stream_class_common_visit(struct bt_ctf_stream_class_common *stream_class, | |
406 | bt_ctf_visitor visitor, void *data) | |
407 | { | |
408 | int ret; | |
409 | struct bt_ctf_visitor_object obj = { | |
410 | .object = stream_class, | |
411 | .type = BT_CTF_VISITOR_OBJECT_TYPE_STREAM_CLASS | |
412 | }; | |
413 | ||
414 | if (!stream_class || !visitor) { | |
415 | BT_LOGW("Invalid parameter: stream class or visitor is NULL: " | |
416 | "stream-class-addr=%p, visitor=%p", | |
417 | stream_class, visitor); | |
418 | ret = -1; | |
419 | goto end; | |
420 | } | |
421 | ||
44c440bc | 422 | ret = bt_ctf_visitor_helper(&obj, get_event_class_count, |
16ca5ff0 PP |
423 | get_event_class, |
424 | visit_event_class, visitor, data); | |
ef267d12 | 425 | BT_LOGT("bt_ctf_visitor_helper() returned: ret=%d", ret); |
16ca5ff0 PP |
426 | |
427 | end: | |
428 | return ret; | |
429 | } | |
430 | ||
431 | BT_HIDDEN | |
432 | int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class, | |
433 | bt_ctf_visitor visitor, void *data) | |
434 | { | |
435 | return bt_ctf_stream_class_common_visit(BT_CTF_FROM_COMMON(stream_class), | |
436 | visitor, data); | |
437 | } | |
438 | ||
439 | BT_HIDDEN | |
440 | void bt_ctf_stream_class_common_freeze(struct bt_ctf_stream_class_common *stream_class) | |
441 | { | |
442 | if (!stream_class || stream_class->frozen) { | |
443 | return; | |
444 | } | |
445 | ||
446 | BT_LOGD("Freezing stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
447 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
448 | bt_ctf_stream_class_common_get_id(stream_class)); | |
449 | stream_class->frozen = 1; | |
450 | bt_ctf_field_type_common_freeze(stream_class->event_header_field_type); | |
451 | bt_ctf_field_type_common_freeze(stream_class->packet_context_field_type); | |
452 | bt_ctf_field_type_common_freeze(stream_class->event_context_field_type); | |
453 | bt_ctf_clock_class_freeze(stream_class->clock_class); | |
454 | } | |
455 | ||
456 | BT_HIDDEN | |
457 | int bt_ctf_stream_class_common_validate_single_clock_class( | |
458 | struct bt_ctf_stream_class_common *stream_class, | |
459 | struct bt_ctf_clock_class **expected_clock_class) | |
460 | { | |
461 | int ret; | |
462 | uint64_t i; | |
463 | ||
98b15851 PP |
464 | BT_ASSERT_DBG(stream_class); |
465 | BT_ASSERT_DBG(expected_clock_class); | |
16ca5ff0 PP |
466 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
467 | stream_class->packet_context_field_type, | |
468 | expected_clock_class); | |
469 | if (ret) { | |
470 | BT_LOGW("Stream class's packet context field type " | |
471 | "is not recursively mapped to the " | |
472 | "expected clock class: " | |
473 | "stream-class-addr=%p, " | |
474 | "stream-class-name=\"%s\", " | |
475 | "stream-class-id=%" PRId64 ", " | |
476 | "ft-addr=%p", | |
477 | stream_class, | |
478 | bt_ctf_stream_class_common_get_name(stream_class), | |
479 | stream_class->id, | |
480 | stream_class->packet_context_field_type); | |
481 | goto end; | |
482 | } | |
483 | ||
484 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
485 | stream_class->event_header_field_type, | |
486 | expected_clock_class); | |
487 | if (ret) { | |
488 | BT_LOGW("Stream class's event header field type " | |
489 | "is not recursively mapped to the " | |
490 | "expected clock class: " | |
491 | "stream-class-addr=%p, " | |
492 | "stream-class-name=\"%s\", " | |
493 | "stream-class-id=%" PRId64 ", " | |
494 | "ft-addr=%p", | |
495 | stream_class, | |
496 | bt_ctf_stream_class_common_get_name(stream_class), | |
497 | stream_class->id, | |
498 | stream_class->event_header_field_type); | |
499 | goto end; | |
500 | } | |
501 | ||
502 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
503 | stream_class->event_context_field_type, | |
504 | expected_clock_class); | |
505 | if (ret) { | |
506 | BT_LOGW("Stream class's event context field type " | |
507 | "is not recursively mapped to the " | |
508 | "expected clock class: " | |
509 | "stream-class-addr=%p, " | |
510 | "stream-class-name=\"%s\", " | |
511 | "stream-class-id=%" PRId64 ", " | |
512 | "ft-addr=%p", | |
513 | stream_class, | |
514 | bt_ctf_stream_class_common_get_name(stream_class), | |
515 | stream_class->id, | |
516 | stream_class->event_context_field_type); | |
517 | goto end; | |
518 | } | |
519 | ||
520 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
521 | struct bt_ctf_event_class_common *event_class = | |
522 | g_ptr_array_index(stream_class->event_classes, i); | |
523 | ||
98b15851 | 524 | BT_ASSERT_DBG(event_class); |
16ca5ff0 PP |
525 | ret = bt_ctf_event_class_common_validate_single_clock_class( |
526 | event_class, expected_clock_class); | |
527 | if (ret) { | |
528 | BT_LOGW("Stream class's event class contains a " | |
529 | "field type which is not recursively mapped to " | |
530 | "the expected clock class: " | |
531 | "stream-class-addr=%p, " | |
532 | "stream-class-name=\"%s\", " | |
533 | "stream-class-id=%" PRId64, | |
534 | stream_class, | |
535 | bt_ctf_stream_class_common_get_name(stream_class), | |
536 | stream_class->id); | |
537 | goto end; | |
538 | } | |
539 | } | |
540 | ||
541 | end: | |
542 | return ret; | |
543 | } | |
3dca2276 PP |
544 | |
545 | static | |
546 | int init_event_header(struct bt_ctf_stream_class *stream_class) | |
547 | { | |
548 | int ret = 0; | |
549 | struct bt_ctf_field_type *event_header_type = | |
550 | bt_ctf_field_type_structure_create(); | |
551 | struct bt_ctf_field_type *_uint32_t = | |
552 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
553 | struct bt_ctf_field_type *_uint64_t = | |
554 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
555 | ||
556 | if (!event_header_type) { | |
557 | BT_LOGE_STR("Cannot create empty structure field type."); | |
558 | ret = -1; | |
559 | goto end; | |
560 | } | |
561 | ||
562 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
563 | _uint32_t, "id"); | |
564 | if (ret) { | |
565 | BT_LOGE_STR("Cannot add `id` field to event header field type."); | |
566 | goto end; | |
567 | } | |
568 | ||
569 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
570 | _uint64_t, "timestamp"); | |
571 | if (ret) { | |
572 | BT_LOGE_STR("Cannot add `timestamp` field to event header field type."); | |
573 | goto end; | |
574 | } | |
575 | ||
e1e02a22 | 576 | bt_ctf_object_put_ref(stream_class->common.event_header_field_type); |
3dca2276 PP |
577 | stream_class->common.event_header_field_type = |
578 | (void *) event_header_type; | |
579 | event_header_type = NULL; | |
580 | ||
581 | end: | |
582 | if (ret) { | |
e1e02a22 | 583 | bt_ctf_object_put_ref(event_header_type); |
3dca2276 PP |
584 | } |
585 | ||
e1e02a22 PP |
586 | bt_ctf_object_put_ref(_uint32_t); |
587 | bt_ctf_object_put_ref(_uint64_t); | |
3dca2276 PP |
588 | return ret; |
589 | } | |
590 | ||
591 | static | |
592 | int init_packet_context(struct bt_ctf_stream_class *stream_class) | |
593 | { | |
594 | int ret = 0; | |
595 | struct bt_ctf_field_type *packet_context_type = | |
596 | bt_ctf_field_type_structure_create(); | |
597 | struct bt_ctf_field_type *_uint64_t = | |
598 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
4af85094 | 599 | struct bt_ctf_field_type *ts_begin_end_uint64_t = NULL; |
3dca2276 PP |
600 | |
601 | if (!packet_context_type) { | |
602 | BT_LOGE_STR("Cannot create empty structure field type."); | |
603 | ret = -1; | |
604 | goto end; | |
605 | } | |
606 | ||
607 | ts_begin_end_uint64_t = bt_ctf_field_type_copy(_uint64_t); | |
608 | if (!ts_begin_end_uint64_t) { | |
609 | BT_LOGE_STR("Cannot copy integer field type for `timestamp_begin` and `timestamp_end` fields."); | |
610 | ret = -1; | |
611 | goto end; | |
612 | } | |
613 | ||
614 | /* | |
615 | * We create a stream packet context as proposed in the CTF | |
616 | * specification. | |
617 | */ | |
618 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
619 | ts_begin_end_uint64_t, "timestamp_begin"); | |
620 | if (ret) { | |
621 | BT_LOGE_STR("Cannot add `timestamp_begin` field to event header field type."); | |
622 | goto end; | |
623 | } | |
624 | ||
625 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
626 | ts_begin_end_uint64_t, "timestamp_end"); | |
627 | if (ret) { | |
628 | BT_LOGE_STR("Cannot add `timestamp_end` field to event header field type."); | |
629 | goto end; | |
630 | } | |
631 | ||
632 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
633 | _uint64_t, "content_size"); | |
634 | if (ret) { | |
635 | BT_LOGE_STR("Cannot add `content_size` field to event header field type."); | |
636 | goto end; | |
637 | } | |
638 | ||
639 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
640 | _uint64_t, "packet_size"); | |
641 | if (ret) { | |
642 | BT_LOGE_STR("Cannot add `packet_size` 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, "events_discarded"); | |
648 | if (ret) { | |
649 | BT_LOGE_STR("Cannot add `events_discarded` field to event header field type."); | |
650 | goto end; | |
651 | } | |
652 | ||
e1e02a22 | 653 | bt_ctf_object_put_ref(stream_class->common.packet_context_field_type); |
3dca2276 PP |
654 | stream_class->common.packet_context_field_type = |
655 | (void *) packet_context_type; | |
656 | packet_context_type = NULL; | |
657 | ||
658 | end: | |
659 | if (ret) { | |
e1e02a22 | 660 | bt_ctf_object_put_ref(packet_context_type); |
3dca2276 PP |
661 | goto end; |
662 | } | |
663 | ||
e1e02a22 PP |
664 | bt_ctf_object_put_ref(_uint64_t); |
665 | bt_ctf_object_put_ref(ts_begin_end_uint64_t); | |
3dca2276 PP |
666 | return ret; |
667 | } | |
668 | ||
669 | static | |
e1e02a22 | 670 | void bt_ctf_stream_class_destroy(struct bt_ctf_object *obj) |
3dca2276 PP |
671 | { |
672 | struct bt_ctf_stream_class *stream_class; | |
673 | ||
674 | stream_class = (void *) obj; | |
675 | BT_LOGD("Destroying CTF writer stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
676 | stream_class, bt_ctf_stream_class_get_name(stream_class), | |
677 | bt_ctf_stream_class_get_id(stream_class)); | |
16ca5ff0 | 678 | bt_ctf_stream_class_common_finalize(BT_CTF_TO_COMMON(stream_class)); |
e1e02a22 | 679 | bt_ctf_object_put_ref(stream_class->clock); |
3dca2276 PP |
680 | g_free(stream_class); |
681 | } | |
682 | ||
683 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) | |
684 | { | |
685 | struct bt_ctf_stream_class *stream_class; | |
686 | int ret; | |
687 | ||
688 | BT_LOGD("Creating CTF writer stream class object: name=\"%s\"", name); | |
689 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
690 | if (!stream_class) { | |
691 | BT_LOGE_STR("Failed to allocate one CTF writer stream class."); | |
692 | goto error; | |
693 | } | |
694 | ||
16ca5ff0 | 695 | ret = bt_ctf_stream_class_common_initialize(BT_CTF_TO_COMMON(stream_class), |
3dca2276 PP |
696 | name, bt_ctf_stream_class_destroy); |
697 | if (ret) { | |
16ca5ff0 | 698 | /* bt_ctf_stream_class_common_initialize() logs errors */ |
3dca2276 PP |
699 | goto error; |
700 | } | |
701 | ||
702 | ret = init_event_header(stream_class); | |
703 | if (ret) { | |
704 | BT_LOGE_STR("Cannot initialize stream class's event header field type."); | |
705 | goto error; | |
706 | } | |
707 | ||
708 | ret = init_packet_context(stream_class); | |
709 | if (ret) { | |
710 | BT_LOGE_STR("Cannot initialize stream class's packet context field type."); | |
711 | goto error; | |
712 | } | |
713 | ||
714 | BT_LOGD("Created CTF writer stream class object: addr=%p, name=\"%s\"", | |
715 | stream_class, name); | |
716 | return stream_class; | |
717 | ||
718 | error: | |
e1e02a22 | 719 | BT_CTF_OBJECT_PUT_REF_AND_RESET(stream_class); |
3dca2276 PP |
720 | return stream_class; |
721 | } | |
722 | ||
723 | static | |
724 | int try_map_clock_class(struct bt_ctf_stream_class *stream_class, | |
725 | struct bt_ctf_field_type *parent_ft, const char *field_name) | |
726 | { | |
727 | struct bt_ctf_clock_class *mapped_clock_class = NULL; | |
728 | int ret = 0; | |
729 | struct bt_ctf_field_type *ft = | |
730 | bt_ctf_field_type_structure_get_field_type_by_name(parent_ft, | |
731 | field_name); | |
732 | ||
98b15851 | 733 | BT_ASSERT_DBG(stream_class->clock); |
3dca2276 PP |
734 | |
735 | if (!ft) { | |
736 | /* Field does not exist: not an error */ | |
737 | goto end; | |
738 | } | |
739 | ||
98b15851 | 740 | BT_ASSERT_DBG(((struct bt_ctf_field_type_common *) ft)->id == |
16ca5ff0 | 741 | BT_CTF_FIELD_TYPE_ID_INTEGER); |
3dca2276 PP |
742 | mapped_clock_class = |
743 | bt_ctf_field_type_integer_get_mapped_clock_class(ft); | |
744 | if (!mapped_clock_class) { | |
745 | struct bt_ctf_field_type *ft_copy; | |
746 | ||
747 | if (!stream_class->clock) { | |
748 | BT_LOGW("Cannot automatically set field's type mapped clock class: stream class's clock is not set: " | |
749 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
750 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
751 | stream_class, | |
752 | bt_ctf_stream_class_get_name(stream_class), | |
753 | bt_ctf_stream_class_get_id(stream_class), ft); | |
754 | ret = -1; | |
755 | goto end; | |
756 | } | |
757 | ||
758 | ft_copy = bt_ctf_field_type_copy(ft); | |
759 | if (!ft_copy) { | |
760 | BT_LOGE("Failed to copy integer field type: ft-addr=%p", | |
761 | ft); | |
94c1a13b FD |
762 | ret = -1; |
763 | goto end; | |
3dca2276 PP |
764 | } |
765 | ||
16ca5ff0 PP |
766 | ret = bt_ctf_field_type_common_integer_set_mapped_clock_class_no_check_frozen( |
767 | (void *) ft_copy, stream_class->clock->clock_class); | |
98b15851 | 768 | BT_ASSERT_DBG(ret == 0); |
3dca2276 | 769 | |
16ca5ff0 | 770 | ret = bt_ctf_field_type_common_structure_replace_field( |
3dca2276 | 771 | (void *) parent_ft, field_name, (void *) ft_copy); |
e1e02a22 | 772 | bt_ctf_object_put_ref(ft_copy); |
ef267d12 | 773 | BT_LOGT("Automatically mapped field type to stream class's clock class: " |
3dca2276 PP |
774 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
775 | "stream-class-id=%" PRId64 ", ft-addr=%p, " | |
776 | "ft-copy-addr=%p", | |
777 | stream_class, | |
778 | bt_ctf_stream_class_get_name(stream_class), | |
779 | bt_ctf_stream_class_get_id(stream_class), ft, ft_copy); | |
780 | } | |
781 | ||
782 | end: | |
e1e02a22 PP |
783 | bt_ctf_object_put_ref(ft); |
784 | bt_ctf_object_put_ref(mapped_clock_class); | |
3dca2276 PP |
785 | return ret; |
786 | } | |
787 | ||
788 | BT_HIDDEN | |
789 | int bt_ctf_stream_class_map_clock_class( | |
790 | struct bt_ctf_stream_class *stream_class, | |
791 | struct bt_ctf_field_type *packet_context_type, | |
792 | struct bt_ctf_field_type *event_header_type) | |
793 | { | |
794 | int ret = 0; | |
795 | ||
98b15851 | 796 | BT_ASSERT_DBG(stream_class); |
3dca2276 PP |
797 | |
798 | if (!stream_class->clock) { | |
799 | /* No clock class to map to */ | |
800 | goto end; | |
801 | } | |
802 | ||
803 | if (packet_context_type) { | |
804 | if (try_map_clock_class(stream_class, packet_context_type, | |
805 | "timestamp_begin")) { | |
806 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_begin` field's mapped clock class."); | |
807 | ret = -1; | |
808 | goto end; | |
809 | } | |
810 | ||
811 | if (try_map_clock_class(stream_class, packet_context_type, | |
812 | "timestamp_end")) { | |
813 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_end` field's mapped clock class."); | |
814 | ret = -1; | |
815 | goto end; | |
816 | } | |
817 | } | |
818 | ||
819 | if (event_header_type) { | |
820 | if (try_map_clock_class(stream_class, event_header_type, | |
821 | "timestamp")) { | |
822 | BT_LOGE_STR("Cannot automatically set stream class's event header field type's `timestamp` field's mapped clock class."); | |
823 | ret = -1; | |
824 | goto end; | |
825 | } | |
826 | } | |
827 | ||
828 | end: | |
829 | return ret; | |
830 | } | |
831 | ||
832 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( | |
833 | struct bt_ctf_stream_class *stream_class) | |
834 | { | |
835 | struct bt_ctf_clock *clock = NULL; | |
836 | ||
837 | if (!stream_class) { | |
838 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
839 | goto end; | |
840 | } | |
841 | ||
842 | if (!stream_class->clock) { | |
ef267d12 | 843 | BT_LOGT("Stream class has no clock: " |
3dca2276 PP |
844 | "addr=%p, name=\"%s\", id=%" PRId64, |
845 | stream_class, | |
846 | bt_ctf_stream_class_get_name(stream_class), | |
847 | bt_ctf_stream_class_get_id(stream_class)); | |
848 | goto end; | |
849 | } | |
850 | ||
e1e02a22 | 851 | clock = bt_ctf_object_get_ref(stream_class->clock); |
3dca2276 PP |
852 | |
853 | end: | |
854 | return clock; | |
855 | } | |
856 | ||
857 | int bt_ctf_stream_class_set_clock( | |
858 | struct bt_ctf_stream_class *stream_class, | |
859 | struct bt_ctf_clock *clock) | |
860 | { | |
861 | int ret = 0; | |
862 | ||
863 | if (!stream_class || !clock) { | |
864 | BT_LOGW("Invalid parameter: stream class or clock is NULL: " | |
865 | "stream-class-addr=%p, clock-addr=%p", | |
866 | stream_class, clock); | |
867 | ret = -1; | |
868 | goto end; | |
869 | } | |
870 | ||
871 | if (stream_class->common.frozen) { | |
872 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
873 | "addr=%p, name=\"%s\", id=%" PRId64, | |
874 | stream_class, | |
875 | bt_ctf_stream_class_get_name(stream_class), | |
876 | bt_ctf_stream_class_get_id(stream_class)); | |
877 | ret = -1; | |
878 | goto end; | |
879 | } | |
880 | ||
881 | /* Replace the current clock of this stream class. */ | |
e1e02a22 PP |
882 | bt_ctf_object_put_ref(stream_class->clock); |
883 | stream_class->clock = bt_ctf_object_get_ref(clock); | |
ef267d12 | 884 | BT_LOGT("Set stream class's clock: " |
3dca2276 PP |
885 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
886 | "clock-addr=%p, clock-name=\"%s\"", | |
887 | stream_class, | |
888 | bt_ctf_stream_class_get_name(stream_class), | |
889 | bt_ctf_stream_class_get_id(stream_class), | |
890 | stream_class->clock, | |
891 | bt_ctf_clock_get_name(stream_class->clock)); | |
892 | ||
893 | end: | |
894 | return ret; | |
895 | } | |
896 | ||
897 | BT_HIDDEN | |
898 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
899 | struct metadata_context *context) | |
900 | { | |
901 | int ret = 0; | |
902 | size_t i; | |
903 | struct bt_ctf_trace *trace; | |
904 | struct bt_ctf_field_type *packet_header_type = NULL; | |
905 | ||
906 | BT_LOGD("Serializing stream class's metadata: " | |
907 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
908 | "stream-class-id=%" PRId64 ", metadata-context-addr=%p", | |
909 | stream_class, | |
910 | bt_ctf_stream_class_get_name(stream_class), | |
911 | bt_ctf_stream_class_get_id(stream_class), context); | |
912 | g_string_assign(context->field_name, ""); | |
913 | context->current_indentation_level = 1; | |
914 | if (!stream_class->common.id_set) { | |
915 | BT_LOGW_STR("Stream class's ID is not set."); | |
916 | ret = -1; | |
917 | goto end; | |
918 | } | |
919 | ||
920 | g_string_append(context->string, "stream {\n"); | |
921 | ||
922 | /* | |
923 | * The reference to the trace is only borrowed since the | |
924 | * serialization of the stream class might have been triggered | |
925 | * by the trace's destruction. In such a case, the trace's | |
926 | * reference count would, unexepectedly, go through the sequence | |
927 | * 1 -> 0 -> 1 -> 0 -> ..., provoking an endless loop of destruction | |
928 | * and serialization. | |
929 | */ | |
16ca5ff0 PP |
930 | trace = BT_CTF_FROM_COMMON(bt_ctf_stream_class_common_borrow_trace( |
931 | BT_CTF_TO_COMMON(stream_class))); | |
98b15851 | 932 | BT_ASSERT_DBG(trace); |
3dca2276 PP |
933 | packet_header_type = bt_ctf_trace_get_packet_header_field_type(trace); |
934 | trace = NULL; | |
935 | if (packet_header_type) { | |
936 | struct bt_ctf_field_type *stream_id_type; | |
937 | ||
938 | stream_id_type = | |
939 | bt_ctf_field_type_structure_get_field_type_by_name( | |
940 | packet_header_type, "stream_id"); | |
941 | if (stream_id_type) { | |
942 | /* | |
943 | * Only set the stream's id if the trace's packet header | |
944 | * contains a stream_id field. This field is only | |
945 | * needed if the trace contains only one stream | |
946 | * class. | |
947 | */ | |
948 | g_string_append_printf(context->string, | |
949 | "\tid = %" PRId64 ";\n", | |
950 | stream_class->common.id); | |
951 | } | |
e1e02a22 | 952 | bt_ctf_object_put_ref(stream_id_type); |
3dca2276 PP |
953 | } |
954 | if (stream_class->common.event_header_field_type) { | |
955 | BT_LOGD_STR("Serializing stream class's event header field type's metadata."); | |
956 | g_string_append(context->string, "\tevent.header := "); | |
957 | ret = bt_ctf_field_type_serialize_recursive( | |
958 | (void *) stream_class->common.event_header_field_type, | |
959 | context); | |
960 | if (ret) { | |
961 | BT_LOGW("Cannot serialize stream class's event header field type's metadata: " | |
962 | "ret=%d", ret); | |
963 | goto end; | |
964 | } | |
965 | g_string_append(context->string, ";"); | |
966 | } | |
967 | ||
968 | ||
969 | if (stream_class->common.packet_context_field_type) { | |
970 | BT_LOGD_STR("Serializing stream class's packet context field type's metadata."); | |
971 | g_string_append(context->string, "\n\n\tpacket.context := "); | |
972 | ret = bt_ctf_field_type_serialize_recursive( | |
973 | (void *) stream_class->common.packet_context_field_type, | |
974 | context); | |
975 | if (ret) { | |
976 | BT_LOGW("Cannot serialize stream class's packet context field type's metadata: " | |
977 | "ret=%d", ret); | |
978 | goto end; | |
979 | } | |
980 | g_string_append(context->string, ";"); | |
981 | } | |
982 | ||
983 | if (stream_class->common.event_context_field_type) { | |
984 | BT_LOGD_STR("Serializing stream class's event context field type's metadata."); | |
985 | g_string_append(context->string, "\n\n\tevent.context := "); | |
986 | ret = bt_ctf_field_type_serialize_recursive( | |
987 | (void *) stream_class->common.event_context_field_type, | |
988 | context); | |
989 | if (ret) { | |
990 | BT_LOGW("Cannot serialize stream class's event context field type's metadata: " | |
991 | "ret=%d", ret); | |
992 | goto end; | |
993 | } | |
994 | g_string_append(context->string, ";"); | |
995 | } | |
996 | ||
997 | g_string_append(context->string, "\n};\n\n"); | |
998 | ||
999 | for (i = 0; i < stream_class->common.event_classes->len; i++) { | |
1000 | struct bt_ctf_event_class *event_class = | |
1001 | stream_class->common.event_classes->pdata[i]; | |
1002 | ||
1003 | ret = bt_ctf_event_class_serialize(event_class, context); | |
1004 | if (ret) { | |
1005 | BT_LOGW("Cannot serialize event class's metadata: " | |
1006 | "event-class-addr=%p, event-class-name=\"%s\", " | |
1007 | "event-class-id=%" PRId64, | |
1008 | event_class, | |
1009 | bt_ctf_event_class_get_name(event_class), | |
1010 | bt_ctf_event_class_get_id(event_class)); | |
1011 | goto end; | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | end: | |
e1e02a22 | 1016 | bt_ctf_object_put_ref(packet_header_type); |
3dca2276 PP |
1017 | context->current_indentation_level = 0; |
1018 | return ret; | |
1019 | } | |
1020 | ||
1021 | struct bt_ctf_trace *bt_ctf_stream_class_get_trace( | |
1022 | struct bt_ctf_stream_class *stream_class) | |
1023 | { | |
e1e02a22 | 1024 | return bt_ctf_object_get_ref(bt_ctf_stream_class_common_borrow_trace( |
16ca5ff0 | 1025 | BT_CTF_TO_COMMON(stream_class))); |
3dca2276 PP |
1026 | } |
1027 | ||
1028 | const char *bt_ctf_stream_class_get_name( | |
1029 | struct bt_ctf_stream_class *stream_class) | |
1030 | { | |
16ca5ff0 | 1031 | return bt_ctf_stream_class_common_get_name(BT_CTF_TO_COMMON(stream_class)); |
3dca2276 PP |
1032 | } |
1033 | ||
1034 | int bt_ctf_stream_class_set_name( | |
1035 | struct bt_ctf_stream_class *stream_class, const char *name) | |
1036 | { | |
16ca5ff0 | 1037 | return bt_ctf_stream_class_common_set_name(BT_CTF_TO_COMMON(stream_class), |
3dca2276 PP |
1038 | name); |
1039 | } | |
1040 | ||
1041 | int64_t bt_ctf_stream_class_get_id( | |
1042 | struct bt_ctf_stream_class *stream_class) | |
1043 | { | |
16ca5ff0 | 1044 | return bt_ctf_stream_class_common_get_id(BT_CTF_TO_COMMON(stream_class)); |
3dca2276 PP |
1045 | } |
1046 | ||
1047 | int bt_ctf_stream_class_set_id( | |
1048 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1049 | { | |
16ca5ff0 | 1050 | return bt_ctf_stream_class_common_set_id(BT_CTF_TO_COMMON(stream_class), id); |
3dca2276 PP |
1051 | } |
1052 | ||
1053 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( | |
1054 | struct bt_ctf_stream_class *stream_class) | |
1055 | { | |
e1e02a22 | 1056 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1057 | bt_ctf_stream_class_common_borrow_packet_context_field_type( |
1058 | BT_CTF_TO_COMMON(stream_class))); | |
3dca2276 PP |
1059 | } |
1060 | ||
1061 | int bt_ctf_stream_class_set_packet_context_type( | |
1062 | struct bt_ctf_stream_class *stream_class, | |
1063 | struct bt_ctf_field_type *packet_context_type) | |
1064 | { | |
16ca5ff0 PP |
1065 | return bt_ctf_stream_class_common_set_packet_context_field_type( |
1066 | BT_CTF_TO_COMMON(stream_class), (void *) packet_context_type); | |
3dca2276 PP |
1067 | } |
1068 | ||
1069 | struct bt_ctf_field_type * | |
1070 | bt_ctf_stream_class_get_event_header_type( | |
1071 | struct bt_ctf_stream_class *stream_class) | |
1072 | { | |
e1e02a22 | 1073 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1074 | bt_ctf_stream_class_common_borrow_event_header_field_type( |
1075 | BT_CTF_TO_COMMON(stream_class))); | |
3dca2276 PP |
1076 | } |
1077 | ||
1078 | int bt_ctf_stream_class_set_event_header_type( | |
1079 | struct bt_ctf_stream_class *stream_class, | |
1080 | struct bt_ctf_field_type *event_header_type) | |
1081 | { | |
16ca5ff0 PP |
1082 | return bt_ctf_stream_class_common_set_event_header_field_type( |
1083 | BT_CTF_TO_COMMON(stream_class), (void *) event_header_type); | |
3dca2276 PP |
1084 | } |
1085 | ||
1086 | struct bt_ctf_field_type * | |
1087 | bt_ctf_stream_class_get_event_context_type( | |
1088 | struct bt_ctf_stream_class *stream_class) | |
1089 | { | |
e1e02a22 | 1090 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1091 | bt_ctf_stream_class_common_borrow_event_context_field_type( |
1092 | BT_CTF_TO_COMMON(stream_class))); | |
3dca2276 PP |
1093 | } |
1094 | ||
1095 | int bt_ctf_stream_class_set_event_context_type( | |
1096 | struct bt_ctf_stream_class *stream_class, | |
1097 | struct bt_ctf_field_type *event_context_type) | |
1098 | { | |
16ca5ff0 PP |
1099 | return bt_ctf_stream_class_common_set_event_context_field_type( |
1100 | BT_CTF_TO_COMMON(stream_class), (void *) event_context_type); | |
3dca2276 PP |
1101 | } |
1102 | ||
1103 | int64_t bt_ctf_stream_class_get_event_class_count( | |
1104 | struct bt_ctf_stream_class *stream_class) | |
1105 | { | |
16ca5ff0 PP |
1106 | return bt_ctf_stream_class_common_get_event_class_count( |
1107 | BT_CTF_TO_COMMON(stream_class)); | |
3dca2276 PP |
1108 | } |
1109 | ||
1110 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_index( | |
1111 | struct bt_ctf_stream_class *stream_class, uint64_t index) | |
1112 | { | |
e1e02a22 | 1113 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1114 | bt_ctf_stream_class_common_borrow_event_class_by_index( |
1115 | BT_CTF_TO_COMMON(stream_class), index)); | |
3dca2276 PP |
1116 | } |
1117 | ||
1118 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id( | |
1119 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1120 | { | |
e1e02a22 | 1121 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1122 | bt_ctf_stream_class_common_borrow_event_class_by_id( |
1123 | BT_CTF_TO_COMMON(stream_class), id)); | |
3dca2276 PP |
1124 | } |
1125 | ||
1126 | int bt_ctf_stream_class_add_event_class( | |
1127 | struct bt_ctf_stream_class *stream_class, | |
1128 | struct bt_ctf_event_class *event_class) | |
1129 | { | |
16ca5ff0 PP |
1130 | return bt_ctf_stream_class_common_add_event_class( |
1131 | BT_CTF_TO_COMMON(stream_class), BT_CTF_TO_COMMON(event_class), | |
1132 | (bt_ctf_validation_flag_copy_field_type_func) bt_ctf_field_type_copy); | |
3dca2276 | 1133 | } |