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3dca2276 PP |
1 | #ifndef BABELTRACE_CTF_WRITER_STREAM_CLASS_INTERNAL_H |
2 | #define BABELTRACE_CTF_WRITER_STREAM_CLASS_INTERNAL_H | |
3 | ||
4 | /* | |
3dca2276 PP |
5 | * Copyright 2014 EfficiOS Inc. |
6 | * | |
7 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | * | |
27 | * The Common Trace Format (CTF) Specification is available at | |
28 | * http://www.efficios.com/ctf | |
29 | */ | |
30 | ||
578e048b | 31 | #include "common/assert.h" |
91d81473 | 32 | #include "common/macros.h" |
578e048b | 33 | #include "common/common.h" |
217cf9d3 PP |
34 | #include <babeltrace2-ctf-writer/field-types.h> |
35 | #include <babeltrace2-ctf-writer/visitor.h> | |
16ca5ff0 PP |
36 | #include <inttypes.h> |
37 | ||
578e048b MJ |
38 | #include "clock.h" |
39 | #include "field-types.h" | |
40 | #include "object.h" | |
41 | #include "stream-class.h" | |
42 | #include "utils.h" | |
43 | #include "validation.h" | |
44 | ||
16ca5ff0 | 45 | struct bt_ctf_stream_class_common { |
e1e02a22 | 46 | struct bt_ctf_object base; |
16ca5ff0 PP |
47 | GString *name; |
48 | ||
49 | /* Array of pointers to event class addresses */ | |
50 | GPtrArray *event_classes; | |
51 | ||
52 | /* event class id (int64_t) to event class address */ | |
53 | GHashTable *event_classes_ht; | |
54 | int id_set; | |
55 | int64_t id; | |
56 | int64_t next_event_id; | |
57 | struct bt_ctf_field_type_common *packet_context_field_type; | |
58 | struct bt_ctf_field_type_common *event_header_field_type; | |
59 | struct bt_ctf_field_type_common *event_context_field_type; | |
60 | int frozen; | |
61 | int byte_order; | |
62 | ||
63 | /* | |
64 | * This flag indicates if the stream class is valid. A valid | |
65 | * stream class is _always_ frozen. | |
66 | */ | |
67 | int valid; | |
68 | ||
69 | /* | |
70 | * Unique clock class mapped to any field type within this | |
71 | * stream class, including all the stream class's event class | |
72 | * field types. This is only set if the stream class is frozen. | |
73 | * | |
74 | * If the stream class is frozen and this is still NULL, it is | |
75 | * still possible that it becomes non-NULL because | |
76 | * bt_ctf_stream_class_add_event_class() can add an event class | |
77 | * containing a field type mapped to some clock class. In this | |
78 | * case, this is the mapped clock class, and at this point, both | |
79 | * the new event class and the stream class are frozen, so the | |
80 | * next added event classes are expected to contain field types | |
81 | * which only map to this specific clock class. | |
82 | * | |
83 | * If this is a CTF writer stream class, then this is the | |
84 | * backing clock class of the `clock` member above. | |
85 | */ | |
86 | struct bt_ctf_clock_class *clock_class; | |
87 | }; | |
88 | ||
89 | struct bt_ctf_event_class_common; | |
90 | ||
91 | BT_HIDDEN | |
92 | int bt_ctf_stream_class_common_initialize(struct bt_ctf_stream_class_common *stream_class, | |
e1e02a22 | 93 | const char *name, bt_ctf_object_release_func release_func); |
16ca5ff0 PP |
94 | |
95 | BT_HIDDEN | |
96 | void bt_ctf_stream_class_common_finalize(struct bt_ctf_stream_class_common *stream_class); | |
97 | ||
98 | BT_HIDDEN | |
99 | void bt_ctf_stream_class_common_freeze(struct bt_ctf_stream_class_common *stream_class); | |
100 | ||
101 | static inline | |
102 | const char *bt_ctf_stream_class_common_get_name( | |
103 | struct bt_ctf_stream_class_common *stream_class) | |
104 | { | |
67d2ce02 | 105 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
16ca5ff0 PP |
106 | return stream_class->name->len > 0 ? stream_class->name->str : NULL; |
107 | } | |
108 | ||
109 | static inline | |
110 | int64_t bt_ctf_stream_class_common_get_id( | |
111 | struct bt_ctf_stream_class_common *stream_class) | |
112 | { | |
113 | int64_t ret; | |
114 | ||
67d2ce02 | 115 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
16ca5ff0 PP |
116 | |
117 | if (!stream_class->id_set) { | |
ef267d12 | 118 | BT_LOGT("Stream class's ID is not set: addr=%p, name=\"%s\"", |
16ca5ff0 PP |
119 | stream_class, |
120 | bt_ctf_stream_class_common_get_name(stream_class)); | |
121 | ret = (int64_t) -1; | |
122 | goto end; | |
123 | } | |
124 | ||
125 | ret = stream_class->id; | |
126 | ||
127 | end: | |
128 | return ret; | |
129 | } | |
130 | ||
131 | BT_HIDDEN | |
132 | void bt_ctf_stream_class_common_set_byte_order( | |
133 | struct bt_ctf_stream_class_common *stream_class, int byte_order); | |
134 | ||
135 | BT_HIDDEN | |
136 | int bt_ctf_stream_class_common_validate_single_clock_class( | |
137 | struct bt_ctf_stream_class_common *stream_class, | |
138 | struct bt_ctf_clock_class **expected_clock_class); | |
139 | ||
140 | BT_HIDDEN | |
141 | int bt_ctf_stream_class_common_add_event_class( | |
142 | struct bt_ctf_stream_class_common *stream_class, | |
143 | struct bt_ctf_event_class_common *event_class, | |
144 | bt_ctf_validation_flag_copy_field_type_func copy_field_type_func); | |
145 | ||
146 | BT_HIDDEN | |
147 | int bt_ctf_stream_class_common_visit(struct bt_ctf_stream_class_common *stream_class, | |
148 | bt_ctf_visitor visitor, void *data); | |
149 | ||
150 | BT_HIDDEN | |
151 | int bt_ctf_stream_class_visit(struct bt_ctf_stream_class *stream_class, | |
152 | bt_ctf_visitor visitor, void *data); | |
153 | ||
154 | static inline | |
155 | struct bt_ctf_trace_common *bt_ctf_stream_class_common_borrow_trace( | |
156 | struct bt_ctf_stream_class_common *stream_class) | |
157 | { | |
158 | BT_ASSERT(stream_class); | |
e1e02a22 | 159 | return (void *) bt_ctf_object_borrow_parent(&stream_class->base); |
16ca5ff0 PP |
160 | } |
161 | ||
162 | static inline | |
163 | int bt_ctf_stream_class_common_set_name(struct bt_ctf_stream_class_common *stream_class, | |
164 | const char *name) | |
165 | { | |
166 | int ret = 0; | |
167 | ||
168 | if (!stream_class) { | |
169 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
170 | ret = -1; | |
171 | goto end; | |
172 | } | |
173 | ||
174 | if (stream_class->frozen) { | |
175 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
176 | "addr=%p, name=\"%s\", id=%" PRId64, | |
177 | stream_class, | |
178 | bt_ctf_stream_class_common_get_name(stream_class), | |
179 | bt_ctf_stream_class_common_get_id(stream_class)); | |
180 | ret = -1; | |
181 | goto end; | |
182 | } | |
183 | ||
184 | if (!name) { | |
185 | g_string_assign(stream_class->name, ""); | |
186 | } else { | |
187 | if (strlen(name) == 0) { | |
188 | BT_LOGW("Invalid parameter: name is empty."); | |
189 | ret = -1; | |
190 | goto end; | |
191 | } | |
192 | ||
193 | g_string_assign(stream_class->name, name); | |
194 | } | |
195 | ||
ef267d12 | 196 | BT_LOGT("Set stream class's name: " |
16ca5ff0 PP |
197 | "addr=%p, name=\"%s\", id=%" PRId64, |
198 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
199 | bt_ctf_stream_class_common_get_id(stream_class)); | |
200 | end: | |
201 | return ret; | |
202 | } | |
203 | ||
204 | static inline | |
205 | void _bt_ctf_stream_class_common_set_id( | |
206 | struct bt_ctf_stream_class_common *stream_class, int64_t id) | |
207 | { | |
208 | BT_ASSERT(stream_class); | |
209 | stream_class->id = id; | |
210 | stream_class->id_set = 1; | |
ef267d12 | 211 | BT_LOGT("Set stream class's ID (internal): " |
16ca5ff0 PP |
212 | "addr=%p, name=\"%s\", id=%" PRId64, |
213 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
214 | bt_ctf_stream_class_common_get_id(stream_class)); | |
215 | } | |
216 | ||
217 | static inline | |
218 | int bt_ctf_stream_class_common_set_id_no_check( | |
219 | struct bt_ctf_stream_class_common *stream_class, int64_t id) | |
220 | { | |
221 | _bt_ctf_stream_class_common_set_id(stream_class, id); | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static inline | |
226 | int bt_ctf_stream_class_common_set_id(struct bt_ctf_stream_class_common *stream_class, | |
227 | uint64_t id_param) | |
228 | { | |
229 | int ret = 0; | |
230 | int64_t id = (int64_t) id_param; | |
231 | ||
232 | if (!stream_class) { | |
233 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
234 | ret = -1; | |
235 | goto end; | |
236 | } | |
237 | ||
238 | if (stream_class->frozen) { | |
239 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
240 | "addr=%p, name=\"%s\", id=%" PRId64, | |
241 | stream_class, | |
242 | bt_ctf_stream_class_common_get_name(stream_class), | |
243 | bt_ctf_stream_class_common_get_id(stream_class)); | |
244 | ret = -1; | |
245 | goto end; | |
246 | } | |
247 | ||
248 | if (id < 0) { | |
249 | BT_LOGW("Invalid parameter: invalid stream class's ID: " | |
250 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
251 | "stream-class-id=%" PRId64 ", id=%" PRIu64, | |
252 | stream_class, | |
253 | bt_ctf_stream_class_common_get_name(stream_class), | |
254 | bt_ctf_stream_class_common_get_id(stream_class), | |
255 | id_param); | |
256 | ret = -1; | |
257 | goto end; | |
258 | } | |
259 | ||
260 | ret = bt_ctf_stream_class_common_set_id_no_check(stream_class, id); | |
261 | if (ret == 0) { | |
ef267d12 | 262 | BT_LOGT("Set stream class's ID: " |
16ca5ff0 PP |
263 | "addr=%p, name=\"%s\", id=%" PRId64, |
264 | stream_class, | |
265 | bt_ctf_stream_class_common_get_name(stream_class), | |
266 | bt_ctf_stream_class_common_get_id(stream_class)); | |
267 | } | |
268 | end: | |
269 | return ret; | |
270 | } | |
271 | ||
272 | static inline | |
273 | int64_t bt_ctf_stream_class_common_get_event_class_count( | |
274 | struct bt_ctf_stream_class_common *stream_class) | |
275 | { | |
276 | int64_t ret; | |
277 | ||
278 | if (!stream_class) { | |
279 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
280 | ret = (int64_t) -1; | |
281 | goto end; | |
282 | } | |
283 | ||
284 | ret = (int64_t) stream_class->event_classes->len; | |
285 | end: | |
286 | return ret; | |
287 | } | |
288 | ||
289 | static inline | |
290 | struct bt_ctf_event_class_common *bt_ctf_stream_class_common_borrow_event_class_by_index( | |
291 | struct bt_ctf_stream_class_common *stream_class, uint64_t index) | |
292 | { | |
67d2ce02 MJ |
293 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
294 | BT_CTF_ASSERT_PRE(index < stream_class->event_classes->len, | |
16ca5ff0 PP |
295 | "Index is out of bounds: index=%" PRIu64 ", " |
296 | "count=%u", | |
297 | index, stream_class->event_classes->len); | |
298 | return g_ptr_array_index(stream_class->event_classes, index); | |
299 | } | |
300 | ||
301 | static inline | |
302 | struct bt_ctf_event_class_common *bt_ctf_stream_class_common_borrow_event_class_by_id( | |
303 | struct bt_ctf_stream_class_common *stream_class, uint64_t id) | |
304 | { | |
305 | int64_t id_key = (int64_t) id; | |
306 | ||
67d2ce02 MJ |
307 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
308 | BT_CTF_ASSERT_PRE(id_key >= 0, | |
16ca5ff0 PP |
309 | "Invalid event class ID: %" PRIu64, id); |
310 | return g_hash_table_lookup(stream_class->event_classes_ht, | |
311 | &id_key); | |
312 | } | |
313 | ||
314 | static inline | |
315 | struct bt_ctf_field_type_common * | |
316 | bt_ctf_stream_class_common_borrow_packet_context_field_type( | |
317 | struct bt_ctf_stream_class_common *stream_class) | |
318 | { | |
67d2ce02 | 319 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
16ca5ff0 PP |
320 | return stream_class->packet_context_field_type; |
321 | } | |
322 | ||
323 | static inline | |
324 | int bt_ctf_stream_class_common_set_packet_context_field_type( | |
325 | struct bt_ctf_stream_class_common *stream_class, | |
326 | struct bt_ctf_field_type_common *packet_context_type) | |
327 | { | |
328 | int ret = 0; | |
329 | ||
330 | if (!stream_class) { | |
331 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
332 | ret = -1; | |
333 | goto end; | |
334 | } | |
335 | ||
336 | if (stream_class->frozen) { | |
337 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
338 | "addr=%p, name=\"%s\", id=%" PRId64, | |
339 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
340 | bt_ctf_stream_class_common_get_id(stream_class)); | |
341 | ret = -1; | |
342 | goto end; | |
343 | } | |
344 | ||
345 | if (packet_context_type && | |
346 | bt_ctf_field_type_common_get_type_id(packet_context_type) != | |
347 | BT_CTF_FIELD_TYPE_ID_STRUCT) { | |
348 | /* A packet context must be a structure. */ | |
349 | BT_LOGW("Invalid parameter: stream class's packet context field type must be a structure: " | |
350 | "addr=%p, name=\"%s\", id=%" PRId64 ", " | |
351 | "packet-context-ft-addr=%p, packet-context-ft-id=%s", | |
352 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
353 | bt_ctf_stream_class_common_get_id(stream_class), | |
354 | packet_context_type, | |
355 | bt_ctf_field_type_id_string( | |
356 | bt_ctf_field_type_common_get_type_id(packet_context_type))); | |
357 | ret = -1; | |
358 | goto end; | |
359 | } | |
360 | ||
e1e02a22 | 361 | bt_ctf_object_put_ref(stream_class->packet_context_field_type); |
16ca5ff0 | 362 | stream_class->packet_context_field_type = packet_context_type; |
e1e02a22 | 363 | bt_ctf_object_get_ref(stream_class->packet_context_field_type); |
ef267d12 | 364 | BT_LOGT("Set stream class's packet context field type: " |
16ca5ff0 PP |
365 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
366 | "packet-context-ft-addr=%p", | |
367 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
368 | bt_ctf_stream_class_common_get_id(stream_class), | |
369 | packet_context_type); | |
370 | ||
371 | end: | |
372 | return ret; | |
373 | } | |
374 | ||
375 | static inline | |
376 | struct bt_ctf_field_type_common * | |
377 | bt_ctf_stream_class_common_borrow_event_header_field_type( | |
378 | struct bt_ctf_stream_class_common *stream_class) | |
379 | { | |
380 | struct bt_ctf_field_type_common *ret = NULL; | |
381 | ||
67d2ce02 | 382 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
16ca5ff0 PP |
383 | |
384 | if (!stream_class->event_header_field_type) { | |
ef267d12 | 385 | BT_LOGT("Stream class has no event header field type: " |
16ca5ff0 PP |
386 | "addr=%p, name=\"%s\", id=%" PRId64, |
387 | stream_class, | |
388 | bt_ctf_stream_class_common_get_name(stream_class), | |
389 | bt_ctf_stream_class_common_get_id(stream_class)); | |
390 | goto end; | |
391 | } | |
392 | ||
393 | ret = stream_class->event_header_field_type; | |
394 | ||
395 | end: | |
396 | return ret; | |
397 | } | |
398 | ||
399 | static inline | |
400 | int bt_ctf_stream_class_common_set_event_header_field_type( | |
401 | struct bt_ctf_stream_class_common *stream_class, | |
402 | struct bt_ctf_field_type_common *event_header_type) | |
403 | { | |
404 | int ret = 0; | |
405 | ||
406 | if (!stream_class) { | |
407 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
408 | ret = -1; | |
409 | goto end; | |
410 | } | |
411 | ||
412 | if (stream_class->frozen) { | |
413 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
414 | "addr=%p, name=\"%s\", id=%" PRId64, | |
415 | stream_class, | |
416 | bt_ctf_stream_class_common_get_name(stream_class), | |
417 | bt_ctf_stream_class_common_get_id(stream_class)); | |
418 | ret = -1; | |
419 | goto end; | |
420 | } | |
421 | ||
422 | if (event_header_type && | |
423 | bt_ctf_field_type_common_get_type_id(event_header_type) != | |
424 | BT_CTF_FIELD_TYPE_ID_STRUCT) { | |
425 | /* An event header must be a structure. */ | |
426 | BT_LOGW("Invalid parameter: stream class's event header field type must be a structure: " | |
427 | "addr=%p, name=\"%s\", id=%" PRId64 ", " | |
428 | "event-header-ft-addr=%p, event-header-ft-id=%s", | |
429 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
430 | bt_ctf_stream_class_common_get_id(stream_class), | |
431 | event_header_type, | |
432 | bt_ctf_field_type_id_string( | |
433 | bt_ctf_field_type_common_get_type_id(event_header_type))); | |
434 | ret = -1; | |
435 | goto end; | |
436 | } | |
437 | ||
e1e02a22 PP |
438 | bt_ctf_object_put_ref(stream_class->event_header_field_type); |
439 | stream_class->event_header_field_type = event_header_type; | |
440 | bt_ctf_object_get_ref(stream_class->event_header_field_type); | |
ef267d12 | 441 | BT_LOGT("Set stream class's event header field type: " |
16ca5ff0 PP |
442 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
443 | "event-header-ft-addr=%p", | |
444 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
445 | bt_ctf_stream_class_common_get_id(stream_class), | |
446 | event_header_type); | |
447 | end: | |
448 | return ret; | |
449 | } | |
450 | ||
451 | static inline | |
452 | struct bt_ctf_field_type_common * | |
453 | bt_ctf_stream_class_common_borrow_event_context_field_type( | |
454 | struct bt_ctf_stream_class_common *stream_class) | |
455 | { | |
456 | struct bt_ctf_field_type_common *ret = NULL; | |
457 | ||
67d2ce02 | 458 | BT_CTF_ASSERT_PRE_NON_NULL(stream_class, "Stream class"); |
16ca5ff0 PP |
459 | |
460 | if (!stream_class->event_context_field_type) { | |
461 | goto end; | |
462 | } | |
463 | ||
464 | ret = stream_class->event_context_field_type; | |
465 | ||
466 | end: | |
467 | return ret; | |
468 | } | |
469 | ||
470 | static inline | |
471 | int bt_ctf_stream_class_common_set_event_context_field_type( | |
472 | struct bt_ctf_stream_class_common *stream_class, | |
473 | struct bt_ctf_field_type_common *event_context_type) | |
474 | { | |
475 | int ret = 0; | |
476 | ||
477 | if (!stream_class) { | |
478 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
479 | ret = -1; | |
480 | goto end; | |
481 | } | |
482 | ||
483 | if (stream_class->frozen) { | |
484 | BT_LOGW("Invalid parameter: stream class is frozen: " | |
485 | "addr=%p, name=\"%s\", id=%" PRId64, | |
486 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
487 | bt_ctf_stream_class_common_get_id(stream_class)); | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
492 | if (event_context_type && | |
493 | bt_ctf_field_type_common_get_type_id(event_context_type) != | |
494 | BT_CTF_FIELD_TYPE_ID_STRUCT) { | |
495 | /* A packet context must be a structure. */ | |
496 | BT_LOGW("Invalid parameter: stream class's event context field type must be a structure: " | |
497 | "addr=%p, name=\"%s\", id=%" PRId64 ", " | |
498 | "event-context-ft-addr=%p, event-context-ft-id=%s", | |
499 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
500 | bt_ctf_stream_class_common_get_id(stream_class), | |
501 | event_context_type, | |
502 | bt_ctf_field_type_id_string( | |
503 | bt_ctf_field_type_common_get_type_id(event_context_type))); | |
504 | ret = -1; | |
505 | goto end; | |
506 | } | |
507 | ||
e1e02a22 PP |
508 | bt_ctf_object_put_ref(stream_class->event_context_field_type); |
509 | stream_class->event_context_field_type = event_context_type; | |
510 | bt_ctf_object_get_ref(stream_class->event_context_field_type); | |
ef267d12 | 511 | BT_LOGT("Set stream class's event context field type: " |
16ca5ff0 PP |
512 | "addr=%p, name=\"%s\", id=%" PRId64 ", " |
513 | "event-context-ft-addr=%p", | |
514 | stream_class, bt_ctf_stream_class_common_get_name(stream_class), | |
515 | bt_ctf_stream_class_common_get_id(stream_class), | |
516 | event_context_type); | |
517 | end: | |
518 | return ret; | |
519 | } | |
3dca2276 PP |
520 | |
521 | struct bt_ctf_stream_class { | |
16ca5ff0 | 522 | struct bt_ctf_stream_class_common common; |
3dca2276 PP |
523 | struct bt_ctf_clock *clock; |
524 | int64_t next_stream_id; | |
525 | }; | |
526 | ||
527 | struct metadata_context; | |
528 | ||
529 | BT_HIDDEN | |
530 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
531 | struct metadata_context *context); | |
532 | ||
533 | BT_HIDDEN | |
534 | int bt_ctf_stream_class_map_clock_class( | |
535 | struct bt_ctf_stream_class *stream_class, | |
536 | struct bt_ctf_field_type *packet_context_type, | |
537 | struct bt_ctf_field_type *event_header_type); | |
538 | ||
539 | #endif /* BABELTRACE_CTF_WRITER_STREAM_CLASS_INTERNAL_H */ |