Commit | Line | Data |
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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 | 37 | int bt_ctf_stream_class_common_initialize(struct bt_ctf_stream_class_common *stream_class, |
e1e02a22 | 38 | const char *name, bt_ctf_object_release_func release_func) |
16ca5ff0 PP |
39 | { |
40 | BT_LOGD("Initializing common stream class object: name=\"%s\"", name); | |
41 | ||
e1e02a22 | 42 | bt_ctf_object_init_shared_with_parent(&stream_class->base, release_func); |
16ca5ff0 PP |
43 | stream_class->name = g_string_new(name); |
44 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
e1e02a22 | 45 | (GDestroyNotify) bt_ctf_object_try_spec_release); |
16ca5ff0 PP |
46 | if (!stream_class->event_classes) { |
47 | BT_LOGE_STR("Failed to allocate a GPtrArray."); | |
48 | goto error; | |
49 | } | |
50 | ||
51 | stream_class->event_classes_ht = g_hash_table_new_full(g_int64_hash, | |
52 | g_int64_equal, g_free, NULL); | |
53 | if (!stream_class->event_classes_ht) { | |
54 | BT_LOGE_STR("Failed to allocate a GHashTable."); | |
55 | goto error; | |
56 | } | |
57 | ||
58 | BT_LOGD("Initialized common stream class object: addr=%p, name=\"%s\"", | |
59 | stream_class, name); | |
60 | return 0; | |
61 | ||
62 | error: | |
63 | return -1; | |
64 | } | |
65 | ||
16ca5ff0 PP |
66 | void bt_ctf_stream_class_common_finalize(struct bt_ctf_stream_class_common *stream_class) |
67 | { | |
68 | BT_LOGD("Finalizing common stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
69 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
70 | bt_ctf_stream_class_common_get_id(stream_class)); | |
e1e02a22 | 71 | bt_ctf_object_put_ref(stream_class->clock_class); |
16ca5ff0 PP |
72 | |
73 | if (stream_class->event_classes_ht) { | |
74 | g_hash_table_destroy(stream_class->event_classes_ht); | |
75 | } | |
76 | if (stream_class->event_classes) { | |
77 | BT_LOGD_STR("Destroying event classes."); | |
78 | g_ptr_array_free(stream_class->event_classes, TRUE); | |
79 | } | |
80 | ||
81 | if (stream_class->name) { | |
82 | g_string_free(stream_class->name, TRUE); | |
83 | } | |
84 | ||
85 | BT_LOGD_STR("Putting event header field type."); | |
e1e02a22 | 86 | bt_ctf_object_put_ref(stream_class->event_header_field_type); |
16ca5ff0 | 87 | BT_LOGD_STR("Putting packet context field type."); |
e1e02a22 | 88 | bt_ctf_object_put_ref(stream_class->packet_context_field_type); |
16ca5ff0 | 89 | BT_LOGD_STR("Putting event context field type."); |
e1e02a22 | 90 | bt_ctf_object_put_ref(stream_class->event_context_field_type); |
16ca5ff0 PP |
91 | } |
92 | ||
93 | static | |
94 | void event_class_exists(gpointer element, gpointer query) | |
95 | { | |
96 | struct bt_ctf_event_class_common *event_class_a = element; | |
97 | struct bt_ctf_search_query *search_query = query; | |
98 | struct bt_ctf_event_class_common *event_class_b = search_query->value; | |
99 | int64_t id_a, id_b; | |
100 | ||
101 | if (search_query->value == element) { | |
102 | search_query->found = 1; | |
103 | goto end; | |
104 | } | |
105 | ||
106 | /* | |
107 | * Two event classes cannot share the same ID in a given | |
108 | * stream class. | |
109 | */ | |
110 | id_a = bt_ctf_event_class_common_get_id(event_class_a); | |
111 | id_b = bt_ctf_event_class_common_get_id(event_class_b); | |
112 | ||
113 | if (id_a < 0 || id_b < 0) { | |
114 | /* at least one ID is not set: will be automatically set later */ | |
115 | goto end; | |
116 | } | |
117 | ||
118 | if (id_a == id_b) { | |
119 | BT_LOGW("Event class with this ID already exists in the stream class: " | |
120 | "id=%" PRId64 ", name=\"%s\"", | |
121 | id_a, bt_ctf_event_class_common_get_name(event_class_a)); | |
122 | search_query->found = 1; | |
123 | goto end; | |
124 | } | |
125 | ||
126 | end: | |
127 | return; | |
128 | } | |
129 | ||
16ca5ff0 PP |
130 | int bt_ctf_stream_class_common_add_event_class( |
131 | struct bt_ctf_stream_class_common *stream_class, | |
132 | struct bt_ctf_event_class_common *event_class, | |
133 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) | |
134 | { | |
135 | int ret = 0; | |
136 | int64_t *event_id = NULL; | |
137 | struct bt_ctf_trace_common *trace = NULL; | |
138 | struct bt_ctf_stream_class_common *old_stream_class = NULL; | |
139 | struct bt_ctf_validation_output validation_output = { 0 }; | |
140 | struct bt_ctf_field_type_common *packet_header_type = NULL; | |
141 | struct bt_ctf_field_type_common *packet_context_type = NULL; | |
142 | struct bt_ctf_field_type_common *event_header_type = NULL; | |
143 | struct bt_ctf_field_type_common *stream_event_ctx_type = NULL; | |
144 | struct bt_ctf_field_type_common *event_context_type = NULL; | |
145 | struct bt_ctf_field_type_common *event_payload_type = NULL; | |
146 | const enum bt_ctf_validation_flag validation_flags = | |
147 | BT_CTF_VALIDATION_FLAG_EVENT; | |
148 | struct bt_ctf_clock_class *expected_clock_class = NULL; | |
96741e7f | 149 | struct bt_ctf_search_query query = { .value = event_class, .found = 0 }; |
16ca5ff0 | 150 | |
98b15851 | 151 | BT_ASSERT_DBG(copy_field_type_func); |
16ca5ff0 PP |
152 | |
153 | if (!stream_class || !event_class) { | |
154 | BT_LOGW("Invalid parameter: stream class or event class is NULL: " | |
155 | "stream-class-addr=%p, event-class-addr=%p", | |
156 | stream_class, event_class); | |
157 | ret = -1; | |
158 | goto end; | |
159 | } | |
160 | ||
161 | BT_LOGD("Adding event class to stream class: " | |
162 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
163 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
164 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
165 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
166 | bt_ctf_stream_class_common_get_id(stream_class), | |
167 | event_class, | |
168 | bt_ctf_event_class_common_get_name(event_class), | |
169 | bt_ctf_event_class_common_get_id(event_class)); | |
170 | trace = bt_ctf_stream_class_common_borrow_trace(stream_class); | |
171 | ||
172 | if (stream_class->frozen) { | |
173 | /* | |
174 | * We only check that the event class to be added has a | |
175 | * single class which matches the stream class's | |
176 | * expected clock class if the stream class is frozen. | |
177 | * If it's not, then this event class is added "as is" | |
178 | * and the validation will be performed when calling | |
179 | * either bt_ctf_trace_add_stream_class() or | |
180 | * bt_ctf_event_create(). This is because the stream class's | |
181 | * field types (packet context, event header, event | |
182 | * context) could change before the next call to one of | |
183 | * those two functions. | |
184 | */ | |
e1e02a22 | 185 | expected_clock_class = bt_ctf_object_get_ref(stream_class->clock_class); |
16ca5ff0 PP |
186 | |
187 | /* | |
188 | * At this point, `expected_clock_class` can be NULL, | |
189 | * and bt_ctf_event_class_validate_single_clock_class() | |
190 | * below can set it. | |
191 | */ | |
192 | ret = bt_ctf_event_class_common_validate_single_clock_class( | |
193 | event_class, &expected_clock_class); | |
194 | if (ret) { | |
195 | BT_LOGW("Event class contains a field type which is not " | |
196 | "recursively mapped to its stream class's " | |
197 | "expected clock class: " | |
198 | "stream-class-addr=%p, " | |
199 | "stream-class-id=%" PRId64 ", " | |
200 | "stream-class-name=\"%s\", " | |
201 | "expected-clock-class-addr=%p, " | |
202 | "expected-clock-class-name=\"%s\"", | |
203 | stream_class, | |
204 | bt_ctf_stream_class_common_get_id(stream_class), | |
205 | bt_ctf_stream_class_common_get_name(stream_class), | |
206 | expected_clock_class, | |
207 | expected_clock_class ? | |
208 | bt_ctf_clock_class_get_name(expected_clock_class) : | |
209 | NULL); | |
210 | goto end; | |
211 | } | |
212 | } | |
213 | ||
214 | event_id = g_new(int64_t, 1); | |
215 | if (!event_id) { | |
216 | BT_LOGE_STR("Failed to allocate one int64_t."); | |
217 | ret = -1; | |
218 | goto end; | |
219 | } | |
220 | ||
221 | /* Check for duplicate event classes */ | |
16ca5ff0 PP |
222 | g_ptr_array_foreach(stream_class->event_classes, event_class_exists, |
223 | &query); | |
224 | if (query.found) { | |
225 | BT_LOGW_STR("Another event class part of this stream class has the same ID."); | |
226 | ret = -1; | |
227 | goto end; | |
228 | } | |
229 | ||
230 | old_stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); | |
231 | if (old_stream_class) { | |
232 | /* Event class is already associated to a stream class. */ | |
233 | BT_LOGW("Event class is already part of another stream class: " | |
234 | "event-class-stream-class-addr=%p, " | |
235 | "event-class-stream-class-name=\"%s\", " | |
236 | "event-class-stream-class-id=%" PRId64, | |
237 | old_stream_class, | |
238 | bt_ctf_stream_class_common_get_name(old_stream_class), | |
239 | bt_ctf_stream_class_common_get_id(old_stream_class)); | |
240 | ret = -1; | |
241 | goto end; | |
242 | } | |
243 | ||
244 | if (trace) { | |
245 | /* | |
246 | * If the stream class is associated with a trace, then | |
247 | * both those objects are frozen. Also, this event class | |
248 | * is about to be frozen. | |
249 | * | |
250 | * Therefore the event class must be validated here. | |
251 | * The trace and stream class should be valid at this | |
252 | * point. | |
253 | */ | |
98b15851 PP |
254 | BT_ASSERT_DBG(trace->valid); |
255 | BT_ASSERT_DBG(stream_class->valid); | |
16ca5ff0 PP |
256 | packet_header_type = |
257 | bt_ctf_trace_common_borrow_packet_header_field_type(trace); | |
258 | packet_context_type = | |
259 | bt_ctf_stream_class_common_borrow_packet_context_field_type( | |
260 | stream_class); | |
261 | event_header_type = | |
262 | bt_ctf_stream_class_common_borrow_event_header_field_type( | |
263 | stream_class); | |
264 | stream_event_ctx_type = | |
265 | bt_ctf_stream_class_common_borrow_event_context_field_type( | |
266 | stream_class); | |
267 | event_context_type = | |
268 | bt_ctf_event_class_common_borrow_context_field_type( | |
269 | event_class); | |
270 | event_payload_type = | |
271 | bt_ctf_event_class_common_borrow_payload_field_type( | |
272 | event_class); | |
273 | ret = bt_ctf_validate_class_types( | |
274 | trace->environment, packet_header_type, | |
275 | packet_context_type, event_header_type, | |
276 | stream_event_ctx_type, event_context_type, | |
277 | event_payload_type, trace->valid, | |
278 | stream_class->valid, event_class->valid, | |
279 | &validation_output, validation_flags, | |
280 | copy_field_type_func); | |
281 | ||
282 | if (ret) { | |
283 | /* | |
284 | * This means something went wrong during the | |
285 | * validation process, not that the objects are | |
286 | * invalid. | |
287 | */ | |
288 | BT_LOGE("Failed to validate event class: ret=%d", ret); | |
289 | goto end; | |
290 | } | |
291 | ||
292 | if ((validation_output.valid_flags & validation_flags) != | |
293 | validation_flags) { | |
294 | /* Invalid event class */ | |
295 | BT_LOGW("Invalid trace, stream class, or event class: " | |
296 | "valid-flags=0x%x", | |
297 | validation_output.valid_flags); | |
298 | ret = -1; | |
299 | goto end; | |
300 | } | |
301 | } | |
302 | ||
303 | /* Only set an event ID if none was explicitly set before */ | |
304 | *event_id = bt_ctf_event_class_common_get_id(event_class); | |
305 | if (*event_id < 0) { | |
ef267d12 | 306 | BT_LOGT("Event class has no ID: automatically setting it: " |
16ca5ff0 PP |
307 | "id=%" PRId64, stream_class->next_event_id); |
308 | ||
309 | if (bt_ctf_event_class_common_set_id(event_class, | |
310 | stream_class->next_event_id)) { | |
311 | BT_LOGE("Cannot set event class's ID: id=%" PRId64, | |
312 | stream_class->next_event_id); | |
313 | ret = -1; | |
314 | goto end; | |
315 | } | |
316 | stream_class->next_event_id++; | |
317 | *event_id = stream_class->next_event_id; | |
318 | } | |
319 | ||
e1e02a22 | 320 | bt_ctf_object_set_parent(&event_class->base, &stream_class->base); |
16ca5ff0 PP |
321 | |
322 | if (trace) { | |
323 | /* | |
324 | * At this point we know that the function will be | |
325 | * successful. Therefore we can replace the event | |
326 | * class's field types with what's in the validation | |
327 | * output structure and mark this event class as valid. | |
328 | */ | |
329 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
330 | &validation_output, validation_flags); | |
331 | event_class->valid = 1; | |
332 | ||
333 | /* | |
334 | * Put what was not moved in | |
335 | * bt_ctf_validation_replace_types(). | |
336 | */ | |
337 | bt_ctf_validation_output_put_types(&validation_output); | |
338 | } | |
339 | ||
340 | /* Add to the event classes of the stream class */ | |
341 | g_ptr_array_add(stream_class->event_classes, event_class); | |
342 | g_hash_table_insert(stream_class->event_classes_ht, event_id, | |
343 | event_class); | |
344 | event_id = NULL; | |
345 | ||
346 | /* Freeze the event class */ | |
347 | bt_ctf_event_class_common_freeze(event_class); | |
348 | ||
349 | /* | |
350 | * It is safe to set the stream class's unique clock class | |
351 | * now if the stream class is frozen. | |
352 | */ | |
353 | if (stream_class->frozen && expected_clock_class) { | |
98b15851 | 354 | BT_ASSERT_DBG(!stream_class->clock_class || |
16ca5ff0 | 355 | stream_class->clock_class == expected_clock_class); |
e1e02a22 | 356 | BT_CTF_OBJECT_MOVE_REF(stream_class->clock_class, expected_clock_class); |
16ca5ff0 PP |
357 | } |
358 | ||
359 | BT_LOGD("Added event class to stream class: " | |
360 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
361 | "stream-class-id=%" PRId64 ", event-class-addr=%p, " | |
362 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
363 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
364 | bt_ctf_stream_class_common_get_id(stream_class), | |
365 | event_class, | |
366 | bt_ctf_event_class_common_get_name(event_class), | |
367 | bt_ctf_event_class_common_get_id(event_class)); | |
368 | ||
369 | end: | |
370 | bt_ctf_validation_output_put_types(&validation_output); | |
e1e02a22 | 371 | bt_ctf_object_put_ref(expected_clock_class); |
16ca5ff0 PP |
372 | g_free(event_id); |
373 | return ret; | |
374 | } | |
375 | ||
376 | static | |
377 | int64_t get_event_class_count(void *element) | |
378 | { | |
379 | return bt_ctf_stream_class_get_event_class_count( | |
380 | (struct bt_ctf_stream_class *) element); | |
381 | } | |
382 | ||
383 | static | |
384 | void *get_event_class(void *element, int i) | |
385 | { | |
386 | return bt_ctf_stream_class_get_event_class_by_index( | |
387 | (struct bt_ctf_stream_class *) element, i); | |
388 | } | |
389 | ||
390 | static | |
391 | int visit_event_class(void *object, bt_ctf_visitor visitor,void *data) | |
392 | { | |
393 | struct bt_ctf_visitor_object obj = { | |
394 | .object = object, | |
395 | .type = BT_CTF_VISITOR_OBJECT_TYPE_EVENT_CLASS | |
396 | }; | |
397 | ||
398 | return visitor(&obj, data); | |
399 | } | |
400 | ||
16ca5ff0 PP |
401 | int bt_ctf_stream_class_common_visit(struct bt_ctf_stream_class_common *stream_class, |
402 | bt_ctf_visitor visitor, void *data) | |
403 | { | |
404 | int ret; | |
405 | struct bt_ctf_visitor_object obj = { | |
406 | .object = stream_class, | |
407 | .type = BT_CTF_VISITOR_OBJECT_TYPE_STREAM_CLASS | |
408 | }; | |
409 | ||
410 | if (!stream_class || !visitor) { | |
411 | BT_LOGW("Invalid parameter: stream class or visitor is NULL: " | |
412 | "stream-class-addr=%p, visitor=%p", | |
413 | stream_class, visitor); | |
414 | ret = -1; | |
415 | goto end; | |
416 | } | |
417 | ||
44c440bc | 418 | ret = bt_ctf_visitor_helper(&obj, get_event_class_count, |
16ca5ff0 PP |
419 | get_event_class, |
420 | visit_event_class, visitor, data); | |
ef267d12 | 421 | BT_LOGT("bt_ctf_visitor_helper() returned: ret=%d", ret); |
16ca5ff0 PP |
422 | |
423 | end: | |
424 | return ret; | |
425 | } | |
426 | ||
16ca5ff0 PP |
427 | int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class, |
428 | bt_ctf_visitor visitor, void *data) | |
429 | { | |
430 | return bt_ctf_stream_class_common_visit(BT_CTF_FROM_COMMON(stream_class), | |
431 | visitor, data); | |
432 | } | |
433 | ||
16ca5ff0 PP |
434 | void bt_ctf_stream_class_common_freeze(struct bt_ctf_stream_class_common *stream_class) |
435 | { | |
436 | if (!stream_class || stream_class->frozen) { | |
437 | return; | |
438 | } | |
439 | ||
440 | BT_LOGD("Freezing stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
441 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
442 | bt_ctf_stream_class_common_get_id(stream_class)); | |
443 | stream_class->frozen = 1; | |
444 | bt_ctf_field_type_common_freeze(stream_class->event_header_field_type); | |
445 | bt_ctf_field_type_common_freeze(stream_class->packet_context_field_type); | |
446 | bt_ctf_field_type_common_freeze(stream_class->event_context_field_type); | |
447 | bt_ctf_clock_class_freeze(stream_class->clock_class); | |
448 | } | |
449 | ||
16ca5ff0 PP |
450 | int bt_ctf_stream_class_common_validate_single_clock_class( |
451 | struct bt_ctf_stream_class_common *stream_class, | |
452 | struct bt_ctf_clock_class **expected_clock_class) | |
453 | { | |
454 | int ret; | |
455 | uint64_t i; | |
456 | ||
98b15851 PP |
457 | BT_ASSERT_DBG(stream_class); |
458 | BT_ASSERT_DBG(expected_clock_class); | |
16ca5ff0 PP |
459 | ret = bt_ctf_field_type_common_validate_single_clock_class( |
460 | stream_class->packet_context_field_type, | |
461 | expected_clock_class); | |
462 | if (ret) { | |
463 | BT_LOGW("Stream class's packet context field type " | |
464 | "is not recursively mapped to the " | |
465 | "expected clock class: " | |
466 | "stream-class-addr=%p, " | |
467 | "stream-class-name=\"%s\", " | |
468 | "stream-class-id=%" PRId64 ", " | |
469 | "ft-addr=%p", | |
470 | stream_class, | |
471 | bt_ctf_stream_class_common_get_name(stream_class), | |
472 | stream_class->id, | |
473 | stream_class->packet_context_field_type); | |
474 | goto end; | |
475 | } | |
476 | ||
477 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
478 | stream_class->event_header_field_type, | |
479 | expected_clock_class); | |
480 | if (ret) { | |
481 | BT_LOGW("Stream class's event header field type " | |
482 | "is not recursively mapped to the " | |
483 | "expected clock class: " | |
484 | "stream-class-addr=%p, " | |
485 | "stream-class-name=\"%s\", " | |
486 | "stream-class-id=%" PRId64 ", " | |
487 | "ft-addr=%p", | |
488 | stream_class, | |
489 | bt_ctf_stream_class_common_get_name(stream_class), | |
490 | stream_class->id, | |
491 | stream_class->event_header_field_type); | |
492 | goto end; | |
493 | } | |
494 | ||
495 | ret = bt_ctf_field_type_common_validate_single_clock_class( | |
496 | stream_class->event_context_field_type, | |
497 | expected_clock_class); | |
498 | if (ret) { | |
499 | BT_LOGW("Stream class's event context field type " | |
500 | "is not recursively mapped to the " | |
501 | "expected clock class: " | |
502 | "stream-class-addr=%p, " | |
503 | "stream-class-name=\"%s\", " | |
504 | "stream-class-id=%" PRId64 ", " | |
505 | "ft-addr=%p", | |
506 | stream_class, | |
507 | bt_ctf_stream_class_common_get_name(stream_class), | |
508 | stream_class->id, | |
509 | stream_class->event_context_field_type); | |
510 | goto end; | |
511 | } | |
512 | ||
513 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
514 | struct bt_ctf_event_class_common *event_class = | |
515 | g_ptr_array_index(stream_class->event_classes, i); | |
516 | ||
98b15851 | 517 | BT_ASSERT_DBG(event_class); |
16ca5ff0 PP |
518 | ret = bt_ctf_event_class_common_validate_single_clock_class( |
519 | event_class, expected_clock_class); | |
520 | if (ret) { | |
521 | BT_LOGW("Stream class's event class contains a " | |
522 | "field type which is not recursively mapped to " | |
523 | "the expected clock class: " | |
524 | "stream-class-addr=%p, " | |
525 | "stream-class-name=\"%s\", " | |
526 | "stream-class-id=%" PRId64, | |
527 | stream_class, | |
528 | bt_ctf_stream_class_common_get_name(stream_class), | |
529 | stream_class->id); | |
530 | goto end; | |
531 | } | |
532 | } | |
533 | ||
534 | end: | |
535 | return ret; | |
536 | } | |
3dca2276 PP |
537 | |
538 | static | |
539 | int init_event_header(struct bt_ctf_stream_class *stream_class) | |
540 | { | |
541 | int ret = 0; | |
542 | struct bt_ctf_field_type *event_header_type = | |
543 | bt_ctf_field_type_structure_create(); | |
544 | struct bt_ctf_field_type *_uint32_t = | |
545 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
546 | struct bt_ctf_field_type *_uint64_t = | |
547 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
548 | ||
549 | if (!event_header_type) { | |
550 | BT_LOGE_STR("Cannot create empty structure field type."); | |
551 | ret = -1; | |
552 | goto end; | |
553 | } | |
554 | ||
555 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
556 | _uint32_t, "id"); | |
557 | if (ret) { | |
558 | BT_LOGE_STR("Cannot add `id` field to event header field type."); | |
559 | goto end; | |
560 | } | |
561 | ||
562 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
563 | _uint64_t, "timestamp"); | |
564 | if (ret) { | |
565 | BT_LOGE_STR("Cannot add `timestamp` field to event header field type."); | |
566 | goto end; | |
567 | } | |
568 | ||
e1e02a22 | 569 | bt_ctf_object_put_ref(stream_class->common.event_header_field_type); |
3dca2276 PP |
570 | stream_class->common.event_header_field_type = |
571 | (void *) event_header_type; | |
572 | event_header_type = NULL; | |
573 | ||
574 | end: | |
575 | if (ret) { | |
e1e02a22 | 576 | bt_ctf_object_put_ref(event_header_type); |
3dca2276 PP |
577 | } |
578 | ||
e1e02a22 PP |
579 | bt_ctf_object_put_ref(_uint32_t); |
580 | bt_ctf_object_put_ref(_uint64_t); | |
3dca2276 PP |
581 | return ret; |
582 | } | |
583 | ||
584 | static | |
585 | int init_packet_context(struct bt_ctf_stream_class *stream_class) | |
586 | { | |
587 | int ret = 0; | |
588 | struct bt_ctf_field_type *packet_context_type = | |
589 | bt_ctf_field_type_structure_create(); | |
590 | struct bt_ctf_field_type *_uint64_t = | |
591 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
4af85094 | 592 | struct bt_ctf_field_type *ts_begin_end_uint64_t = NULL; |
3dca2276 PP |
593 | |
594 | if (!packet_context_type) { | |
595 | BT_LOGE_STR("Cannot create empty structure field type."); | |
596 | ret = -1; | |
597 | goto end; | |
598 | } | |
599 | ||
600 | ts_begin_end_uint64_t = bt_ctf_field_type_copy(_uint64_t); | |
601 | if (!ts_begin_end_uint64_t) { | |
602 | BT_LOGE_STR("Cannot copy integer field type for `timestamp_begin` and `timestamp_end` fields."); | |
603 | ret = -1; | |
604 | goto end; | |
605 | } | |
606 | ||
607 | /* | |
608 | * We create a stream packet context as proposed in the CTF | |
609 | * specification. | |
610 | */ | |
611 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
612 | ts_begin_end_uint64_t, "timestamp_begin"); | |
613 | if (ret) { | |
614 | BT_LOGE_STR("Cannot add `timestamp_begin` field to event header field type."); | |
615 | goto end; | |
616 | } | |
617 | ||
618 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
619 | ts_begin_end_uint64_t, "timestamp_end"); | |
620 | if (ret) { | |
621 | BT_LOGE_STR("Cannot add `timestamp_end` field to event header field type."); | |
622 | goto end; | |
623 | } | |
624 | ||
625 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
626 | _uint64_t, "content_size"); | |
627 | if (ret) { | |
628 | BT_LOGE_STR("Cannot add `content_size` 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, "packet_size"); | |
634 | if (ret) { | |
635 | BT_LOGE_STR("Cannot add `packet_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, "events_discarded"); | |
641 | if (ret) { | |
642 | BT_LOGE_STR("Cannot add `events_discarded` field to event header field type."); | |
643 | goto end; | |
644 | } | |
645 | ||
e1e02a22 | 646 | bt_ctf_object_put_ref(stream_class->common.packet_context_field_type); |
3dca2276 PP |
647 | stream_class->common.packet_context_field_type = |
648 | (void *) packet_context_type; | |
649 | packet_context_type = NULL; | |
650 | ||
651 | end: | |
652 | if (ret) { | |
e1e02a22 | 653 | bt_ctf_object_put_ref(packet_context_type); |
3dca2276 PP |
654 | goto end; |
655 | } | |
656 | ||
e1e02a22 PP |
657 | bt_ctf_object_put_ref(_uint64_t); |
658 | bt_ctf_object_put_ref(ts_begin_end_uint64_t); | |
3dca2276 PP |
659 | return ret; |
660 | } | |
661 | ||
662 | static | |
e1e02a22 | 663 | void bt_ctf_stream_class_destroy(struct bt_ctf_object *obj) |
3dca2276 PP |
664 | { |
665 | struct bt_ctf_stream_class *stream_class; | |
666 | ||
667 | stream_class = (void *) obj; | |
668 | BT_LOGD("Destroying CTF writer stream class: addr=%p, name=\"%s\", id=%" PRId64, | |
669 | stream_class, bt_ctf_stream_class_get_name(stream_class), | |
670 | bt_ctf_stream_class_get_id(stream_class)); | |
16ca5ff0 | 671 | bt_ctf_stream_class_common_finalize(BT_CTF_TO_COMMON(stream_class)); |
e1e02a22 | 672 | bt_ctf_object_put_ref(stream_class->clock); |
3dca2276 PP |
673 | g_free(stream_class); |
674 | } | |
675 | ||
1353b066 | 676 | BT_EXPORT |
3dca2276 PP |
677 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) |
678 | { | |
679 | struct bt_ctf_stream_class *stream_class; | |
680 | int ret; | |
681 | ||
682 | BT_LOGD("Creating CTF writer stream class object: name=\"%s\"", name); | |
683 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
684 | if (!stream_class) { | |
685 | BT_LOGE_STR("Failed to allocate one CTF writer stream class."); | |
686 | goto error; | |
687 | } | |
688 | ||
16ca5ff0 | 689 | ret = bt_ctf_stream_class_common_initialize(BT_CTF_TO_COMMON(stream_class), |
3dca2276 PP |
690 | name, bt_ctf_stream_class_destroy); |
691 | if (ret) { | |
16ca5ff0 | 692 | /* bt_ctf_stream_class_common_initialize() logs errors */ |
3dca2276 PP |
693 | goto error; |
694 | } | |
695 | ||
696 | ret = init_event_header(stream_class); | |
697 | if (ret) { | |
698 | BT_LOGE_STR("Cannot initialize stream class's event header field type."); | |
699 | goto error; | |
700 | } | |
701 | ||
702 | ret = init_packet_context(stream_class); | |
703 | if (ret) { | |
704 | BT_LOGE_STR("Cannot initialize stream class's packet context field type."); | |
705 | goto error; | |
706 | } | |
707 | ||
708 | BT_LOGD("Created CTF writer stream class object: addr=%p, name=\"%s\"", | |
709 | stream_class, name); | |
710 | return stream_class; | |
711 | ||
712 | error: | |
e1e02a22 | 713 | BT_CTF_OBJECT_PUT_REF_AND_RESET(stream_class); |
3dca2276 PP |
714 | return stream_class; |
715 | } | |
716 | ||
717 | static | |
718 | int try_map_clock_class(struct bt_ctf_stream_class *stream_class, | |
719 | struct bt_ctf_field_type *parent_ft, const char *field_name) | |
720 | { | |
721 | struct bt_ctf_clock_class *mapped_clock_class = NULL; | |
722 | int ret = 0; | |
723 | struct bt_ctf_field_type *ft = | |
724 | bt_ctf_field_type_structure_get_field_type_by_name(parent_ft, | |
725 | field_name); | |
726 | ||
98b15851 | 727 | BT_ASSERT_DBG(stream_class->clock); |
3dca2276 PP |
728 | |
729 | if (!ft) { | |
730 | /* Field does not exist: not an error */ | |
731 | goto end; | |
732 | } | |
733 | ||
98b15851 | 734 | BT_ASSERT_DBG(((struct bt_ctf_field_type_common *) ft)->id == |
16ca5ff0 | 735 | BT_CTF_FIELD_TYPE_ID_INTEGER); |
3dca2276 PP |
736 | mapped_clock_class = |
737 | bt_ctf_field_type_integer_get_mapped_clock_class(ft); | |
738 | if (!mapped_clock_class) { | |
739 | struct bt_ctf_field_type *ft_copy; | |
740 | ||
741 | if (!stream_class->clock) { | |
742 | BT_LOGW("Cannot automatically set field's type mapped clock class: stream class's clock is not set: " | |
743 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
744 | "stream-class-id=%" PRId64 ", ft-addr=%p", | |
745 | stream_class, | |
746 | bt_ctf_stream_class_get_name(stream_class), | |
747 | bt_ctf_stream_class_get_id(stream_class), ft); | |
748 | ret = -1; | |
749 | goto end; | |
750 | } | |
751 | ||
752 | ft_copy = bt_ctf_field_type_copy(ft); | |
753 | if (!ft_copy) { | |
754 | BT_LOGE("Failed to copy integer field type: ft-addr=%p", | |
755 | ft); | |
94c1a13b FD |
756 | ret = -1; |
757 | goto end; | |
3dca2276 PP |
758 | } |
759 | ||
16ca5ff0 PP |
760 | ret = bt_ctf_field_type_common_integer_set_mapped_clock_class_no_check_frozen( |
761 | (void *) ft_copy, stream_class->clock->clock_class); | |
98b15851 | 762 | BT_ASSERT_DBG(ret == 0); |
3dca2276 | 763 | |
16ca5ff0 | 764 | ret = bt_ctf_field_type_common_structure_replace_field( |
3dca2276 | 765 | (void *) parent_ft, field_name, (void *) ft_copy); |
e1e02a22 | 766 | bt_ctf_object_put_ref(ft_copy); |
ef267d12 | 767 | BT_LOGT("Automatically mapped field type to stream class's clock class: " |
3dca2276 PP |
768 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
769 | "stream-class-id=%" PRId64 ", ft-addr=%p, " | |
770 | "ft-copy-addr=%p", | |
771 | stream_class, | |
772 | bt_ctf_stream_class_get_name(stream_class), | |
773 | bt_ctf_stream_class_get_id(stream_class), ft, ft_copy); | |
774 | } | |
775 | ||
776 | end: | |
e1e02a22 PP |
777 | bt_ctf_object_put_ref(ft); |
778 | bt_ctf_object_put_ref(mapped_clock_class); | |
3dca2276 PP |
779 | return ret; |
780 | } | |
781 | ||
3dca2276 PP |
782 | int bt_ctf_stream_class_map_clock_class( |
783 | struct bt_ctf_stream_class *stream_class, | |
784 | struct bt_ctf_field_type *packet_context_type, | |
785 | struct bt_ctf_field_type *event_header_type) | |
786 | { | |
787 | int ret = 0; | |
788 | ||
98b15851 | 789 | BT_ASSERT_DBG(stream_class); |
3dca2276 PP |
790 | |
791 | if (!stream_class->clock) { | |
792 | /* No clock class to map to */ | |
793 | goto end; | |
794 | } | |
795 | ||
796 | if (packet_context_type) { | |
797 | if (try_map_clock_class(stream_class, packet_context_type, | |
798 | "timestamp_begin")) { | |
799 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_begin` field's mapped clock class."); | |
800 | ret = -1; | |
801 | goto end; | |
802 | } | |
803 | ||
804 | if (try_map_clock_class(stream_class, packet_context_type, | |
805 | "timestamp_end")) { | |
806 | BT_LOGE_STR("Cannot automatically set stream class's packet context field type's `timestamp_end` field's mapped clock class."); | |
807 | ret = -1; | |
808 | goto end; | |
809 | } | |
810 | } | |
811 | ||
812 | if (event_header_type) { | |
813 | if (try_map_clock_class(stream_class, event_header_type, | |
814 | "timestamp")) { | |
815 | BT_LOGE_STR("Cannot automatically set stream class's event header field type's `timestamp` field's mapped clock class."); | |
816 | ret = -1; | |
817 | goto end; | |
818 | } | |
819 | } | |
820 | ||
821 | end: | |
822 | return ret; | |
823 | } | |
824 | ||
1353b066 | 825 | BT_EXPORT |
3dca2276 PP |
826 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( |
827 | struct bt_ctf_stream_class *stream_class) | |
828 | { | |
829 | struct bt_ctf_clock *clock = NULL; | |
830 | ||
831 | if (!stream_class) { | |
832 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
833 | goto end; | |
834 | } | |
835 | ||
836 | if (!stream_class->clock) { | |
ef267d12 | 837 | BT_LOGT("Stream class has no clock: " |
3dca2276 PP |
838 | "addr=%p, name=\"%s\", id=%" PRId64, |
839 | stream_class, | |
840 | bt_ctf_stream_class_get_name(stream_class), | |
841 | bt_ctf_stream_class_get_id(stream_class)); | |
842 | goto end; | |
843 | } | |
844 | ||
e1e02a22 | 845 | clock = bt_ctf_object_get_ref(stream_class->clock); |
3dca2276 PP |
846 | |
847 | end: | |
848 | return clock; | |
849 | } | |
850 | ||
1353b066 | 851 | BT_EXPORT |
3dca2276 PP |
852 | int bt_ctf_stream_class_set_clock( |
853 | struct bt_ctf_stream_class *stream_class, | |
854 | struct bt_ctf_clock *clock) | |
855 | { | |
856 | int ret = 0; | |
857 | ||
858 | if (!stream_class || !clock) { | |
859 | BT_LOGW("Invalid parameter: stream class or clock is NULL: " | |
860 | "stream-class-addr=%p, clock-addr=%p", | |
861 | stream_class, clock); | |
862 | ret = -1; | |
863 | goto end; | |
864 | } | |
865 | ||
866 | if (stream_class->common.frozen) { | |
867 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
868 | "addr=%p, name=\"%s\", id=%" PRId64, | |
869 | stream_class, | |
870 | bt_ctf_stream_class_get_name(stream_class), | |
871 | bt_ctf_stream_class_get_id(stream_class)); | |
872 | ret = -1; | |
873 | goto end; | |
874 | } | |
875 | ||
876 | /* Replace the current clock of this stream class. */ | |
e1e02a22 PP |
877 | bt_ctf_object_put_ref(stream_class->clock); |
878 | stream_class->clock = bt_ctf_object_get_ref(clock); | |
ef267d12 | 879 | BT_LOGT("Set stream class's clock: " |
3dca2276 PP |
880 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
881 | "clock-addr=%p, clock-name=\"%s\"", | |
882 | stream_class, | |
883 | bt_ctf_stream_class_get_name(stream_class), | |
884 | bt_ctf_stream_class_get_id(stream_class), | |
885 | stream_class->clock, | |
886 | bt_ctf_clock_get_name(stream_class->clock)); | |
887 | ||
888 | end: | |
889 | return ret; | |
890 | } | |
891 | ||
3dca2276 PP |
892 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, |
893 | struct metadata_context *context) | |
894 | { | |
895 | int ret = 0; | |
896 | size_t i; | |
897 | struct bt_ctf_trace *trace; | |
898 | struct bt_ctf_field_type *packet_header_type = NULL; | |
899 | ||
900 | BT_LOGD("Serializing stream class's metadata: " | |
901 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
902 | "stream-class-id=%" PRId64 ", metadata-context-addr=%p", | |
903 | stream_class, | |
904 | bt_ctf_stream_class_get_name(stream_class), | |
905 | bt_ctf_stream_class_get_id(stream_class), context); | |
906 | g_string_assign(context->field_name, ""); | |
907 | context->current_indentation_level = 1; | |
908 | if (!stream_class->common.id_set) { | |
909 | BT_LOGW_STR("Stream class's ID is not set."); | |
910 | ret = -1; | |
911 | goto end; | |
912 | } | |
913 | ||
914 | g_string_append(context->string, "stream {\n"); | |
915 | ||
916 | /* | |
917 | * The reference to the trace is only borrowed since the | |
918 | * serialization of the stream class might have been triggered | |
919 | * by the trace's destruction. In such a case, the trace's | |
e7401568 | 920 | * reference count would, unexpectedly, go through the sequence |
3dca2276 PP |
921 | * 1 -> 0 -> 1 -> 0 -> ..., provoking an endless loop of destruction |
922 | * and serialization. | |
923 | */ | |
16ca5ff0 PP |
924 | trace = BT_CTF_FROM_COMMON(bt_ctf_stream_class_common_borrow_trace( |
925 | BT_CTF_TO_COMMON(stream_class))); | |
98b15851 | 926 | BT_ASSERT_DBG(trace); |
3dca2276 PP |
927 | packet_header_type = bt_ctf_trace_get_packet_header_field_type(trace); |
928 | trace = NULL; | |
929 | if (packet_header_type) { | |
930 | struct bt_ctf_field_type *stream_id_type; | |
931 | ||
932 | stream_id_type = | |
933 | bt_ctf_field_type_structure_get_field_type_by_name( | |
934 | packet_header_type, "stream_id"); | |
935 | if (stream_id_type) { | |
936 | /* | |
937 | * Only set the stream's id if the trace's packet header | |
938 | * contains a stream_id field. This field is only | |
939 | * needed if the trace contains only one stream | |
940 | * class. | |
941 | */ | |
942 | g_string_append_printf(context->string, | |
943 | "\tid = %" PRId64 ";\n", | |
944 | stream_class->common.id); | |
945 | } | |
e1e02a22 | 946 | bt_ctf_object_put_ref(stream_id_type); |
3dca2276 PP |
947 | } |
948 | if (stream_class->common.event_header_field_type) { | |
949 | BT_LOGD_STR("Serializing stream class's event header field type's metadata."); | |
950 | g_string_append(context->string, "\tevent.header := "); | |
951 | ret = bt_ctf_field_type_serialize_recursive( | |
952 | (void *) stream_class->common.event_header_field_type, | |
953 | context); | |
954 | if (ret) { | |
955 | BT_LOGW("Cannot serialize stream class's event header field type's metadata: " | |
956 | "ret=%d", ret); | |
957 | goto end; | |
958 | } | |
959 | g_string_append(context->string, ";"); | |
960 | } | |
961 | ||
962 | ||
963 | if (stream_class->common.packet_context_field_type) { | |
964 | BT_LOGD_STR("Serializing stream class's packet context field type's metadata."); | |
965 | g_string_append(context->string, "\n\n\tpacket.context := "); | |
966 | ret = bt_ctf_field_type_serialize_recursive( | |
967 | (void *) stream_class->common.packet_context_field_type, | |
968 | context); | |
969 | if (ret) { | |
970 | BT_LOGW("Cannot serialize stream class's packet context field type's metadata: " | |
971 | "ret=%d", ret); | |
972 | goto end; | |
973 | } | |
974 | g_string_append(context->string, ";"); | |
975 | } | |
976 | ||
977 | if (stream_class->common.event_context_field_type) { | |
978 | BT_LOGD_STR("Serializing stream class's event context field type's metadata."); | |
979 | g_string_append(context->string, "\n\n\tevent.context := "); | |
980 | ret = bt_ctf_field_type_serialize_recursive( | |
981 | (void *) stream_class->common.event_context_field_type, | |
982 | context); | |
983 | if (ret) { | |
984 | BT_LOGW("Cannot serialize stream class's event context field type's metadata: " | |
985 | "ret=%d", ret); | |
986 | goto end; | |
987 | } | |
988 | g_string_append(context->string, ";"); | |
989 | } | |
990 | ||
991 | g_string_append(context->string, "\n};\n\n"); | |
992 | ||
993 | for (i = 0; i < stream_class->common.event_classes->len; i++) { | |
994 | struct bt_ctf_event_class *event_class = | |
995 | stream_class->common.event_classes->pdata[i]; | |
996 | ||
997 | ret = bt_ctf_event_class_serialize(event_class, context); | |
998 | if (ret) { | |
999 | BT_LOGW("Cannot serialize event class's metadata: " | |
1000 | "event-class-addr=%p, event-class-name=\"%s\", " | |
1001 | "event-class-id=%" PRId64, | |
1002 | event_class, | |
1003 | bt_ctf_event_class_get_name(event_class), | |
1004 | bt_ctf_event_class_get_id(event_class)); | |
1005 | goto end; | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | end: | |
e1e02a22 | 1010 | bt_ctf_object_put_ref(packet_header_type); |
3dca2276 PP |
1011 | context->current_indentation_level = 0; |
1012 | return ret; | |
1013 | } | |
1014 | ||
1353b066 | 1015 | BT_EXPORT |
3dca2276 PP |
1016 | struct bt_ctf_trace *bt_ctf_stream_class_get_trace( |
1017 | struct bt_ctf_stream_class *stream_class) | |
1018 | { | |
e1e02a22 | 1019 | return bt_ctf_object_get_ref(bt_ctf_stream_class_common_borrow_trace( |
16ca5ff0 | 1020 | BT_CTF_TO_COMMON(stream_class))); |
3dca2276 PP |
1021 | } |
1022 | ||
1353b066 | 1023 | BT_EXPORT |
3dca2276 PP |
1024 | const char *bt_ctf_stream_class_get_name( |
1025 | struct bt_ctf_stream_class *stream_class) | |
1026 | { | |
16ca5ff0 | 1027 | return bt_ctf_stream_class_common_get_name(BT_CTF_TO_COMMON(stream_class)); |
3dca2276 PP |
1028 | } |
1029 | ||
1353b066 | 1030 | BT_EXPORT |
3dca2276 PP |
1031 | int bt_ctf_stream_class_set_name( |
1032 | struct bt_ctf_stream_class *stream_class, const char *name) | |
1033 | { | |
16ca5ff0 | 1034 | return bt_ctf_stream_class_common_set_name(BT_CTF_TO_COMMON(stream_class), |
3dca2276 PP |
1035 | name); |
1036 | } | |
1037 | ||
1353b066 | 1038 | BT_EXPORT |
3dca2276 PP |
1039 | int64_t bt_ctf_stream_class_get_id( |
1040 | struct bt_ctf_stream_class *stream_class) | |
1041 | { | |
16ca5ff0 | 1042 | return bt_ctf_stream_class_common_get_id(BT_CTF_TO_COMMON(stream_class)); |
3dca2276 PP |
1043 | } |
1044 | ||
1353b066 | 1045 | BT_EXPORT |
3dca2276 PP |
1046 | int bt_ctf_stream_class_set_id( |
1047 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1048 | { | |
16ca5ff0 | 1049 | return bt_ctf_stream_class_common_set_id(BT_CTF_TO_COMMON(stream_class), id); |
3dca2276 PP |
1050 | } |
1051 | ||
1353b066 | 1052 | BT_EXPORT |
3dca2276 PP |
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 | ||
1353b066 | 1061 | BT_EXPORT |
3dca2276 PP |
1062 | int bt_ctf_stream_class_set_packet_context_type( |
1063 | struct bt_ctf_stream_class *stream_class, | |
1064 | struct bt_ctf_field_type *packet_context_type) | |
1065 | { | |
16ca5ff0 PP |
1066 | return bt_ctf_stream_class_common_set_packet_context_field_type( |
1067 | BT_CTF_TO_COMMON(stream_class), (void *) packet_context_type); | |
3dca2276 PP |
1068 | } |
1069 | ||
1353b066 | 1070 | BT_EXPORT |
3dca2276 PP |
1071 | struct bt_ctf_field_type * |
1072 | bt_ctf_stream_class_get_event_header_type( | |
1073 | struct bt_ctf_stream_class *stream_class) | |
1074 | { | |
e1e02a22 | 1075 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1076 | bt_ctf_stream_class_common_borrow_event_header_field_type( |
1077 | BT_CTF_TO_COMMON(stream_class))); | |
3dca2276 PP |
1078 | } |
1079 | ||
1353b066 | 1080 | BT_EXPORT |
3dca2276 PP |
1081 | int bt_ctf_stream_class_set_event_header_type( |
1082 | struct bt_ctf_stream_class *stream_class, | |
1083 | struct bt_ctf_field_type *event_header_type) | |
1084 | { | |
16ca5ff0 PP |
1085 | return bt_ctf_stream_class_common_set_event_header_field_type( |
1086 | BT_CTF_TO_COMMON(stream_class), (void *) event_header_type); | |
3dca2276 PP |
1087 | } |
1088 | ||
1353b066 | 1089 | BT_EXPORT |
3dca2276 PP |
1090 | struct bt_ctf_field_type * |
1091 | bt_ctf_stream_class_get_event_context_type( | |
1092 | struct bt_ctf_stream_class *stream_class) | |
1093 | { | |
e1e02a22 | 1094 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1095 | bt_ctf_stream_class_common_borrow_event_context_field_type( |
1096 | BT_CTF_TO_COMMON(stream_class))); | |
3dca2276 PP |
1097 | } |
1098 | ||
1353b066 | 1099 | BT_EXPORT |
3dca2276 PP |
1100 | int bt_ctf_stream_class_set_event_context_type( |
1101 | struct bt_ctf_stream_class *stream_class, | |
1102 | struct bt_ctf_field_type *event_context_type) | |
1103 | { | |
16ca5ff0 PP |
1104 | return bt_ctf_stream_class_common_set_event_context_field_type( |
1105 | BT_CTF_TO_COMMON(stream_class), (void *) event_context_type); | |
3dca2276 PP |
1106 | } |
1107 | ||
1353b066 | 1108 | BT_EXPORT |
3dca2276 PP |
1109 | int64_t bt_ctf_stream_class_get_event_class_count( |
1110 | struct bt_ctf_stream_class *stream_class) | |
1111 | { | |
16ca5ff0 PP |
1112 | return bt_ctf_stream_class_common_get_event_class_count( |
1113 | BT_CTF_TO_COMMON(stream_class)); | |
3dca2276 PP |
1114 | } |
1115 | ||
1353b066 | 1116 | BT_EXPORT |
3dca2276 PP |
1117 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_index( |
1118 | struct bt_ctf_stream_class *stream_class, uint64_t index) | |
1119 | { | |
e1e02a22 | 1120 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1121 | bt_ctf_stream_class_common_borrow_event_class_by_index( |
1122 | BT_CTF_TO_COMMON(stream_class), index)); | |
3dca2276 PP |
1123 | } |
1124 | ||
1353b066 | 1125 | BT_EXPORT |
3dca2276 PP |
1126 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id( |
1127 | struct bt_ctf_stream_class *stream_class, uint64_t id) | |
1128 | { | |
e1e02a22 | 1129 | return bt_ctf_object_get_ref( |
16ca5ff0 PP |
1130 | bt_ctf_stream_class_common_borrow_event_class_by_id( |
1131 | BT_CTF_TO_COMMON(stream_class), id)); | |
3dca2276 PP |
1132 | } |
1133 | ||
1353b066 | 1134 | BT_EXPORT |
3dca2276 PP |
1135 | int bt_ctf_stream_class_add_event_class( |
1136 | struct bt_ctf_stream_class *stream_class, | |
1137 | struct bt_ctf_event_class *event_class) | |
1138 | { | |
16ca5ff0 PP |
1139 | return bt_ctf_stream_class_common_add_event_class( |
1140 | BT_CTF_TO_COMMON(stream_class), BT_CTF_TO_COMMON(event_class), | |
1141 | (bt_ctf_validation_flag_copy_field_type_func) bt_ctf_field_type_copy); | |
3dca2276 | 1142 | } |