Commit | Line | Data |
---|---|---|
11b0cdc8 | 1 | /* |
3f043b05 | 2 | * stream-class.c |
11b0cdc8 | 3 | * |
d2dc44b6 | 4 | * Babeltrace CTF IR - Stream Class |
11b0cdc8 | 5 | * |
de9dd397 | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
11b0cdc8 JG |
7 | * |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-writer/clock.h> | |
30 | #include <babeltrace/ctf-ir/clock-internal.h> | |
31 | #include <babeltrace/ctf-writer/event.h> | |
32 | #include <babeltrace/ctf-ir/event-internal.h> | |
33 | #include <babeltrace/ctf-ir/event-types-internal.h> | |
34 | #include <babeltrace/ctf-ir/event-fields-internal.h> | |
35 | #include <babeltrace/ctf-writer/stream.h> | |
36 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
37 | #include <babeltrace/ctf-writer/functor-internal.h> | |
654c1444 | 38 | #include <babeltrace/ctf-ir/utils.h> |
11b0cdc8 JG |
39 | #include <babeltrace/compiler.h> |
40 | #include <babeltrace/align.h> | |
41 | ||
42 | static | |
43 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref); | |
44 | static | |
662e778c | 45 | int init_event_header(struct bt_ctf_stream_class *stream_class); |
11b0cdc8 | 46 | static |
662e778c | 47 | int init_packet_context(struct bt_ctf_stream_class *stream_class); |
11b0cdc8 JG |
48 | |
49 | struct bt_ctf_stream_class *bt_ctf_stream_class_create(const char *name) | |
50 | { | |
12c8a1a3 | 51 | int ret; |
11b0cdc8 JG |
52 | struct bt_ctf_stream_class *stream_class = NULL; |
53 | ||
3ea33115 | 54 | if (name && bt_ctf_validate_identifier(name)) { |
11b0cdc8 JG |
55 | goto error; |
56 | } | |
57 | ||
58 | stream_class = g_new0(struct bt_ctf_stream_class, 1); | |
59 | if (!stream_class) { | |
60 | goto error; | |
61 | } | |
62 | ||
63 | stream_class->name = g_string_new(name); | |
64 | stream_class->event_classes = g_ptr_array_new_with_free_func( | |
65 | (GDestroyNotify)bt_ctf_event_class_put); | |
66 | if (!stream_class->event_classes) { | |
67 | goto error_destroy; | |
68 | } | |
69 | ||
662e778c JG |
70 | ret = init_event_header(stream_class); |
71 | if (ret) { | |
72 | goto error_destroy; | |
73 | } | |
74 | ||
75 | ret = init_packet_context(stream_class); | |
12c8a1a3 JG |
76 | if (ret) { |
77 | goto error_destroy; | |
78 | } | |
79 | ||
11b0cdc8 JG |
80 | bt_ctf_ref_init(&stream_class->ref_count); |
81 | return stream_class; | |
82 | ||
83 | error_destroy: | |
84 | bt_ctf_stream_class_destroy(&stream_class->ref_count); | |
85 | stream_class = NULL; | |
86 | error: | |
87 | return stream_class; | |
88 | } | |
89 | ||
142c5610 JG |
90 | struct bt_ctf_trace *bt_ctf_stream_class_get_trace( |
91 | struct bt_ctf_stream_class *stream_class) | |
92 | { | |
93 | struct bt_ctf_trace *trace = NULL; | |
94 | ||
95 | if (!stream_class) { | |
96 | goto end; | |
97 | } | |
98 | ||
99 | trace = stream_class->trace; | |
100 | if (trace) { | |
101 | bt_ctf_trace_get(trace); | |
102 | } | |
103 | end: | |
104 | return trace; | |
105 | } | |
106 | ||
69dc4535 JG |
107 | const char *bt_ctf_stream_class_get_name( |
108 | struct bt_ctf_stream_class *stream_class) | |
109 | { | |
110 | const char *name = NULL; | |
111 | ||
112 | if (!stream_class) { | |
113 | goto end; | |
114 | } | |
115 | ||
116 | name = stream_class->name->str; | |
117 | end: | |
118 | return name; | |
119 | } | |
120 | ||
3ea33115 JG |
121 | int bt_ctf_stream_class_set_name(struct bt_ctf_stream_class *stream_class, |
122 | const char *name) | |
123 | { | |
124 | int ret = 0; | |
125 | ||
126 | if (!stream_class || stream_class->frozen) { | |
127 | ret = -1; | |
128 | goto end; | |
129 | } | |
130 | ||
131 | g_string_assign(stream_class->name, name); | |
132 | end: | |
133 | return ret; | |
134 | } | |
135 | ||
2f100782 JG |
136 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( |
137 | struct bt_ctf_stream_class *stream_class) | |
138 | { | |
139 | struct bt_ctf_clock *clock = NULL; | |
140 | ||
141 | if (!stream_class || !stream_class->clock) { | |
142 | goto end; | |
143 | } | |
144 | ||
145 | clock = stream_class->clock; | |
146 | bt_ctf_clock_get(clock); | |
147 | end: | |
148 | return clock; | |
149 | } | |
150 | ||
11b0cdc8 JG |
151 | int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, |
152 | struct bt_ctf_clock *clock) | |
153 | { | |
154 | int ret = 0; | |
eee752e5 | 155 | struct bt_ctf_field_type *timestamp_field = NULL; |
11b0cdc8 JG |
156 | |
157 | if (!stream_class || !clock || stream_class->frozen) { | |
158 | ret = -1; | |
159 | goto end; | |
160 | } | |
161 | ||
eee752e5 JG |
162 | /* |
163 | * Look for a "timestamp" field in the stream class' event header type | |
164 | * and map the stream's clock to that field if no current mapping is | |
165 | * currently set. | |
166 | */ | |
167 | timestamp_field = bt_ctf_field_type_structure_get_field_type_by_name( | |
168 | stream_class->event_header_type, "timestamp"); | |
169 | if (timestamp_field) { | |
170 | struct bt_ctf_clock *mapped_clock; | |
171 | ||
172 | mapped_clock = bt_ctf_field_type_integer_get_mapped_clock( | |
173 | timestamp_field); | |
174 | if (mapped_clock) { | |
175 | bt_ctf_clock_put(mapped_clock); | |
176 | goto end; | |
177 | } | |
178 | ||
179 | ret = bt_ctf_field_type_integer_set_mapped_clock( | |
180 | timestamp_field, clock); | |
181 | if (ret) { | |
182 | goto end; | |
183 | } | |
184 | } | |
185 | ||
11b0cdc8 JG |
186 | if (stream_class->clock) { |
187 | bt_ctf_clock_put(stream_class->clock); | |
188 | } | |
189 | ||
190 | stream_class->clock = clock; | |
191 | bt_ctf_clock_get(clock); | |
192 | end: | |
eee752e5 JG |
193 | if (timestamp_field) { |
194 | bt_ctf_field_type_put(timestamp_field); | |
195 | } | |
11b0cdc8 JG |
196 | return ret; |
197 | } | |
198 | ||
2f100782 JG |
199 | int64_t bt_ctf_stream_class_get_id(struct bt_ctf_stream_class *stream_class) |
200 | { | |
201 | int64_t ret; | |
202 | ||
203 | if (!stream_class || !stream_class->id_set) { | |
204 | ret = -1; | |
205 | goto end; | |
206 | } | |
207 | ||
208 | ret = (int64_t) stream_class->id; | |
209 | end: | |
210 | return ret; | |
211 | } | |
212 | ||
5ca83563 JG |
213 | BT_HIDDEN |
214 | int _bt_ctf_stream_class_set_id( | |
215 | struct bt_ctf_stream_class *stream_class, uint32_t id) | |
216 | { | |
217 | stream_class->id = id; | |
218 | stream_class->id_set = 1; | |
219 | return 0; | |
220 | } | |
221 | ||
2f100782 JG |
222 | int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, |
223 | uint32_t id) | |
224 | { | |
225 | int ret = 0; | |
226 | ||
739a93c7 | 227 | if (!stream_class || stream_class->frozen) { |
2f100782 JG |
228 | ret = -1; |
229 | goto end; | |
230 | } | |
231 | ||
5ca83563 JG |
232 | ret = _bt_ctf_stream_class_set_id(stream_class, id); |
233 | if (ret) { | |
234 | goto end; | |
235 | } | |
2f100782 JG |
236 | end: |
237 | return ret; | |
238 | } | |
239 | ||
0d23acbe PP |
240 | static |
241 | void event_class_exists(gpointer element, gpointer query) | |
242 | { | |
243 | struct bt_ctf_event_class *event_class_a = element; | |
244 | struct search_query *search_query = query; | |
245 | struct bt_ctf_event_class *event_class_b = search_query->value; | |
246 | int64_t id_a, id_b; | |
247 | ||
248 | if (search_query->value == element) { | |
249 | search_query->found = 1; | |
250 | goto end; | |
251 | } | |
252 | ||
253 | /* | |
254 | * Two event classes cannot share the same name in a given | |
255 | * stream class. | |
256 | */ | |
257 | if (!strcmp(bt_ctf_event_class_get_name(event_class_a), | |
258 | bt_ctf_event_class_get_name(event_class_b))) { | |
259 | search_query->found = 1; | |
260 | goto end; | |
261 | } | |
262 | ||
263 | /* | |
264 | * Two event classes cannot share the same ID in a given | |
265 | * stream class. | |
266 | */ | |
267 | id_a = bt_ctf_event_class_get_id(event_class_a); | |
268 | id_b = bt_ctf_event_class_get_id(event_class_b); | |
269 | ||
270 | if (id_a < 0 || id_b < 0) { | |
271 | /* at least one ID is not set: will be automatically set later */ | |
272 | goto end; | |
273 | } | |
274 | ||
275 | if (id_a == id_b) { | |
276 | search_query->found = 1; | |
277 | goto end; | |
278 | } | |
279 | ||
280 | end: | |
281 | return; | |
282 | } | |
283 | ||
11b0cdc8 JG |
284 | int bt_ctf_stream_class_add_event_class( |
285 | struct bt_ctf_stream_class *stream_class, | |
286 | struct bt_ctf_event_class *event_class) | |
287 | { | |
288 | int ret = 0; | |
2f100782 | 289 | int64_t event_id; |
11b0cdc8 JG |
290 | |
291 | if (!stream_class || !event_class) { | |
292 | ret = -1; | |
293 | goto end; | |
294 | } | |
295 | ||
296 | /* Check for duplicate event classes */ | |
297 | struct search_query query = { .value = event_class, .found = 0 }; | |
0d23acbe PP |
298 | g_ptr_array_foreach(stream_class->event_classes, event_class_exists, |
299 | &query); | |
11b0cdc8 JG |
300 | if (query.found) { |
301 | ret = -1; | |
302 | goto end; | |
303 | } | |
304 | ||
2f100782 JG |
305 | /* Only set an event id if none was explicitly set before */ |
306 | event_id = bt_ctf_event_class_get_id(event_class); | |
307 | if (event_id < 0) { | |
308 | if (bt_ctf_event_class_set_id(event_class, | |
309 | stream_class->next_event_id++)) { | |
310 | ret = -1; | |
311 | goto end; | |
312 | } | |
313 | } | |
314 | ||
315 | ret = bt_ctf_event_class_set_stream_class(event_class, stream_class); | |
316 | if (ret) { | |
11b0cdc8 JG |
317 | goto end; |
318 | } | |
319 | ||
320 | bt_ctf_event_class_get(event_class); | |
321 | g_ptr_array_add(stream_class->event_classes, event_class); | |
58203827 | 322 | bt_ctf_event_class_freeze(event_class); |
5ca83563 JG |
323 | |
324 | if (stream_class->byte_order) { | |
325 | /* | |
326 | * Only set native byte order if it has been initialized | |
327 | * when the stream class was added to a trace. | |
328 | * | |
329 | * If not set here, this will be set when the stream | |
330 | * classe will be added to a trace. | |
331 | */ | |
332 | bt_ctf_event_class_set_native_byte_order(event_class, | |
333 | stream_class->byte_order); | |
334 | } | |
11b0cdc8 JG |
335 | end: |
336 | return ret; | |
337 | } | |
338 | ||
074ee56d | 339 | int bt_ctf_stream_class_get_event_class_count( |
69dc4535 JG |
340 | struct bt_ctf_stream_class *stream_class) |
341 | { | |
074ee56d | 342 | int ret; |
69dc4535 JG |
343 | |
344 | if (!stream_class) { | |
345 | ret = -1; | |
346 | goto end; | |
347 | } | |
348 | ||
074ee56d | 349 | ret = (int) stream_class->event_classes->len; |
69dc4535 JG |
350 | end: |
351 | return ret; | |
352 | } | |
353 | ||
354 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class( | |
074ee56d | 355 | struct bt_ctf_stream_class *stream_class, int index) |
69dc4535 JG |
356 | { |
357 | struct bt_ctf_event_class *event_class = NULL; | |
358 | ||
074ee56d JG |
359 | if (!stream_class || index < 0 || |
360 | index >= stream_class->event_classes->len) { | |
69dc4535 JG |
361 | goto end; |
362 | } | |
363 | ||
364 | event_class = g_ptr_array_index(stream_class->event_classes, index); | |
365 | bt_ctf_event_class_get(event_class); | |
366 | end: | |
367 | return event_class; | |
368 | } | |
369 | ||
370 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_name( | |
371 | struct bt_ctf_stream_class *stream_class, const char *name) | |
372 | { | |
373 | size_t i; | |
69dc4535 JG |
374 | struct bt_ctf_event_class *event_class = NULL; |
375 | ||
376 | if (!stream_class || !name) { | |
377 | goto end; | |
378 | } | |
379 | ||
69dc4535 | 380 | for (i = 0; i < stream_class->event_classes->len; i++) { |
b8248cc0 | 381 | struct bt_ctf_event_class *cur_event_class = |
69dc4535 | 382 | g_ptr_array_index(stream_class->event_classes, i); |
b8248cc0 PP |
383 | const char *cur_event_class_name = |
384 | bt_ctf_event_class_get_name(cur_event_class); | |
69dc4535 | 385 | |
b8248cc0 PP |
386 | if (!strcmp(name, cur_event_class_name)) { |
387 | event_class = cur_event_class; | |
69dc4535 JG |
388 | bt_ctf_event_class_get(event_class); |
389 | goto end; | |
390 | } | |
391 | } | |
392 | end: | |
393 | return event_class; | |
394 | } | |
395 | ||
0863f950 PP |
396 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id( |
397 | struct bt_ctf_stream_class *stream_class, uint32_t id) | |
398 | { | |
399 | size_t i; | |
400 | struct bt_ctf_event_class *event_class = NULL; | |
401 | ||
402 | if (!stream_class) { | |
403 | goto end; | |
404 | } | |
405 | ||
406 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
407 | struct bt_ctf_event_class *current_event_class = | |
408 | g_ptr_array_index(stream_class->event_classes, i); | |
409 | ||
410 | if (bt_ctf_event_class_get_id(current_event_class) == id) { | |
411 | event_class = current_event_class; | |
412 | bt_ctf_event_class_get(event_class); | |
413 | goto end; | |
414 | } | |
415 | } | |
416 | end: | |
417 | return event_class; | |
418 | } | |
419 | ||
12c8a1a3 JG |
420 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( |
421 | struct bt_ctf_stream_class *stream_class) | |
422 | { | |
423 | struct bt_ctf_field_type *ret = NULL; | |
424 | ||
425 | if (!stream_class) { | |
426 | goto end; | |
427 | } | |
428 | ||
429 | assert(stream_class->packet_context_type); | |
430 | bt_ctf_field_type_get(stream_class->packet_context_type); | |
431 | ret = stream_class->packet_context_type; | |
432 | end: | |
433 | return ret; | |
434 | } | |
435 | ||
436 | int bt_ctf_stream_class_set_packet_context_type( | |
437 | struct bt_ctf_stream_class *stream_class, | |
438 | struct bt_ctf_field_type *packet_context_type) | |
439 | { | |
440 | int ret = 0; | |
441 | ||
0a00bfa1 | 442 | if (!stream_class || !packet_context_type || stream_class->frozen) { |
12c8a1a3 JG |
443 | ret = -1; |
444 | goto end; | |
445 | } | |
446 | ||
447 | assert(stream_class->packet_context_type); | |
662e778c JG |
448 | if (stream_class->packet_context_type == packet_context_type) { |
449 | goto end; | |
450 | } | |
b34f4d90 | 451 | if (bt_ctf_field_type_get_type_id(packet_context_type) != |
12c8a1a3 JG |
452 | CTF_TYPE_STRUCT) { |
453 | /* A packet context must be a structure */ | |
454 | ret = -1; | |
455 | goto end; | |
456 | } | |
457 | ||
458 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
459 | bt_ctf_field_type_get(packet_context_type); | |
460 | stream_class->packet_context_type = packet_context_type; | |
461 | end: | |
462 | return ret; | |
463 | } | |
464 | ||
662e778c JG |
465 | struct bt_ctf_field_type *bt_ctf_stream_class_get_event_header_type( |
466 | struct bt_ctf_stream_class *stream_class) | |
467 | { | |
468 | struct bt_ctf_field_type *ret = NULL; | |
469 | ||
470 | if (!stream_class || !stream_class->event_header_type) { | |
471 | goto end; | |
472 | } | |
473 | ||
474 | assert(stream_class->event_header_type); | |
475 | bt_ctf_field_type_get(stream_class->event_header_type); | |
476 | ret = stream_class->event_header_type; | |
477 | end: | |
478 | return ret; | |
479 | } | |
480 | ||
481 | int bt_ctf_stream_class_set_event_header_type( | |
482 | struct bt_ctf_stream_class *stream_class, | |
483 | struct bt_ctf_field_type *event_header_type) | |
484 | { | |
485 | int ret = 0; | |
486 | ||
487 | if (!stream_class || !event_header_type || stream_class->frozen) { | |
488 | ret = -1; | |
489 | goto end; | |
490 | } | |
491 | ||
492 | assert(stream_class->event_header_type); | |
493 | if (stream_class->event_header_type == event_header_type) { | |
494 | goto end; | |
495 | } | |
496 | if (bt_ctf_field_type_get_type_id(event_header_type) != | |
497 | CTF_TYPE_STRUCT) { | |
498 | /* An event header must be a structure */ | |
499 | ret = -1; | |
500 | goto end; | |
501 | } | |
502 | ||
503 | bt_ctf_field_type_put(stream_class->event_header_type); | |
504 | bt_ctf_field_type_get(event_header_type); | |
505 | stream_class->event_header_type = event_header_type; | |
506 | end: | |
507 | return ret; | |
508 | } | |
509 | ||
af181248 JG |
510 | struct bt_ctf_field_type *bt_ctf_stream_class_get_event_context_type( |
511 | struct bt_ctf_stream_class *stream_class) | |
512 | { | |
513 | struct bt_ctf_field_type *ret = NULL; | |
514 | ||
515 | if (!stream_class || !stream_class->event_context_type) { | |
516 | goto end; | |
517 | } | |
518 | ||
519 | assert(stream_class->event_context_type); | |
520 | bt_ctf_field_type_get(stream_class->event_context_type); | |
521 | ret = stream_class->event_context_type; | |
522 | end: | |
523 | return ret; | |
524 | } | |
525 | ||
526 | int bt_ctf_stream_class_set_event_context_type( | |
527 | struct bt_ctf_stream_class *stream_class, | |
528 | struct bt_ctf_field_type *event_context_type) | |
529 | { | |
530 | int ret = 0; | |
531 | ||
532 | if (!stream_class || !event_context_type || stream_class->frozen) { | |
533 | ret = -1; | |
534 | goto end; | |
535 | } | |
536 | ||
537 | if (bt_ctf_field_type_get_type_id(event_context_type) != | |
538 | CTF_TYPE_STRUCT) { | |
539 | /* A packet context must be a structure */ | |
540 | ret = -1; | |
541 | goto end; | |
542 | } | |
543 | ||
544 | bt_ctf_field_type_put(stream_class->event_context_type); | |
545 | bt_ctf_field_type_get(event_context_type); | |
546 | stream_class->event_context_type = event_context_type; | |
547 | end: | |
548 | return ret; | |
549 | } | |
550 | ||
11b0cdc8 JG |
551 | void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class) |
552 | { | |
553 | if (!stream_class) { | |
554 | return; | |
555 | } | |
556 | ||
557 | bt_ctf_ref_get(&stream_class->ref_count); | |
558 | } | |
559 | ||
560 | void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class) | |
561 | { | |
562 | if (!stream_class) { | |
563 | return; | |
564 | } | |
565 | ||
566 | bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy); | |
567 | } | |
568 | ||
569 | BT_HIDDEN | |
570 | void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class) | |
571 | { | |
572 | if (!stream_class) { | |
573 | return; | |
574 | } | |
575 | ||
576 | stream_class->frozen = 1; | |
662e778c | 577 | bt_ctf_field_type_freeze(stream_class->event_header_type); |
12c8a1a3 | 578 | bt_ctf_field_type_freeze(stream_class->packet_context_type); |
af181248 | 579 | bt_ctf_field_type_freeze(stream_class->event_context_type); |
11b0cdc8 | 580 | bt_ctf_clock_freeze(stream_class->clock); |
11b0cdc8 JG |
581 | } |
582 | ||
11b0cdc8 JG |
583 | BT_HIDDEN |
584 | int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class, | |
585 | enum bt_ctf_byte_order byte_order) | |
586 | { | |
5ca83563 | 587 | int i, ret = 0; |
c35a1669 | 588 | int internal_byte_order; |
11b0cdc8 | 589 | |
c35a1669 JG |
590 | /* Note that "NATIVE" means the trace's endianness, not the host's. */ |
591 | if (!stream_class || byte_order <= BT_CTF_BYTE_ORDER_UNKNOWN || | |
5ca83563 | 592 | byte_order > BT_CTF_BYTE_ORDER_NETWORK) { |
c35a1669 JG |
593 | ret = -1; |
594 | goto end; | |
595 | } | |
596 | ||
597 | switch (byte_order) { | |
598 | case BT_CTF_BYTE_ORDER_NETWORK: | |
599 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
600 | internal_byte_order = BIG_ENDIAN; | |
601 | break; | |
602 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
603 | internal_byte_order = LITTLE_ENDIAN; | |
604 | break; | |
605 | default: | |
606 | ret = -1; | |
11b0cdc8 JG |
607 | goto end; |
608 | } | |
c35a1669 JG |
609 | |
610 | stream_class->byte_order = internal_byte_order; | |
5ca83563 JG |
611 | |
612 | /* Set native byte order to little or big endian */ | |
613 | bt_ctf_field_type_set_native_byte_order( | |
614 | stream_class->event_header_type, stream_class->byte_order); | |
615 | bt_ctf_field_type_set_native_byte_order( | |
616 | stream_class->packet_context_type, stream_class->byte_order); | |
617 | bt_ctf_field_type_set_native_byte_order( | |
618 | stream_class->event_context_type, stream_class->byte_order); | |
619 | ||
620 | /* Set all events' native byte order */ | |
621 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
622 | bt_ctf_event_class_set_native_byte_order( | |
623 | g_ptr_array_index(stream_class->event_classes, i), | |
624 | stream_class->byte_order); | |
625 | bt_ctf_event_class_freeze( | |
626 | g_ptr_array_index(stream_class->event_classes, i)); | |
627 | } | |
11b0cdc8 JG |
628 | end: |
629 | return ret; | |
630 | } | |
631 | ||
632 | BT_HIDDEN | |
633 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
634 | struct metadata_context *context) | |
635 | { | |
2f100782 | 636 | int64_t ret = 0; |
11b0cdc8 JG |
637 | size_t i; |
638 | ||
639 | g_string_assign(context->field_name, ""); | |
640 | context->current_indentation_level = 1; | |
641 | if (!stream_class->id_set) { | |
642 | ret = -1; | |
643 | goto end; | |
644 | } | |
645 | ||
646 | g_string_append_printf(context->string, | |
647 | "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ", | |
648 | stream_class->id); | |
649 | ret = bt_ctf_field_type_serialize(stream_class->event_header_type, | |
650 | context); | |
651 | if (ret) { | |
652 | goto end; | |
653 | } | |
654 | ||
655 | g_string_append(context->string, ";\n\n\tpacket.context := "); | |
656 | ret = bt_ctf_field_type_serialize(stream_class->packet_context_type, | |
657 | context); | |
658 | if (ret) { | |
659 | goto end; | |
660 | } | |
661 | ||
662 | if (stream_class->event_context_type) { | |
663 | g_string_append(context->string, ";\n\n\tevent.context := "); | |
664 | ret = bt_ctf_field_type_serialize( | |
665 | stream_class->event_context_type, context); | |
666 | if (ret) { | |
667 | goto end; | |
668 | } | |
669 | } | |
670 | ||
671 | g_string_append(context->string, ";\n};\n\n"); | |
11b0cdc8 JG |
672 | for (i = 0; i < stream_class->event_classes->len; i++) { |
673 | struct bt_ctf_event_class *event_class = | |
674 | stream_class->event_classes->pdata[i]; | |
675 | ||
11b0cdc8 JG |
676 | ret = bt_ctf_event_class_serialize(event_class, context); |
677 | if (ret) { | |
678 | goto end; | |
679 | } | |
680 | } | |
681 | end: | |
682 | context->current_indentation_level = 0; | |
683 | return ret; | |
684 | } | |
685 | ||
d3814b54 JG |
686 | BT_HIDDEN |
687 | int bt_ctf_stream_class_set_trace(struct bt_ctf_stream_class *stream_class, | |
688 | struct bt_ctf_trace *trace) | |
689 | { | |
690 | int ret = 0; | |
691 | ||
692 | if (!stream_class) { | |
693 | ret = -1; | |
694 | goto end; | |
695 | } | |
696 | ||
697 | if (stream_class->trace && trace) { | |
698 | /* Already attached to a trace */ | |
699 | ret = -1; | |
700 | goto end; | |
701 | } | |
702 | ||
703 | stream_class->trace = trace; | |
704 | end: | |
705 | return ret; | |
706 | } | |
707 | ||
11b0cdc8 JG |
708 | static |
709 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref) | |
710 | { | |
711 | struct bt_ctf_stream_class *stream_class; | |
712 | ||
713 | if (!ref) { | |
714 | return; | |
715 | } | |
716 | ||
717 | stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count); | |
718 | bt_ctf_clock_put(stream_class->clock); | |
719 | ||
720 | if (stream_class->event_classes) { | |
2f100782 JG |
721 | size_t i; |
722 | ||
723 | /* Unregister this stream class from the event classes */ | |
724 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
725 | struct bt_ctf_event_class *event_class = | |
726 | g_ptr_array_index(stream_class->event_classes, | |
727 | i); | |
728 | ||
729 | bt_ctf_event_class_set_stream_class(event_class, NULL); | |
730 | } | |
731 | ||
11b0cdc8 JG |
732 | g_ptr_array_free(stream_class->event_classes, TRUE); |
733 | } | |
734 | ||
735 | if (stream_class->name) { | |
736 | g_string_free(stream_class->name, TRUE); | |
737 | } | |
738 | ||
739 | bt_ctf_field_type_put(stream_class->event_header_type); | |
11b0cdc8 | 740 | bt_ctf_field_type_put(stream_class->packet_context_type); |
af181248 JG |
741 | if (stream_class->event_context_type) { |
742 | bt_ctf_field_type_put(stream_class->event_context_type); | |
743 | } | |
11b0cdc8 JG |
744 | g_free(stream_class); |
745 | } | |
746 | ||
747 | static | |
662e778c | 748 | int init_event_header(struct bt_ctf_stream_class *stream_class) |
11b0cdc8 JG |
749 | { |
750 | int ret = 0; | |
751 | struct bt_ctf_field_type *event_header_type = | |
752 | bt_ctf_field_type_structure_create(); | |
753 | struct bt_ctf_field_type *_uint32_t = | |
754 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
755 | struct bt_ctf_field_type *_uint64_t = | |
756 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
757 | ||
758 | if (!event_header_type) { | |
759 | ret = -1; | |
760 | goto end; | |
761 | } | |
762 | ||
11b0cdc8 JG |
763 | ret = bt_ctf_field_type_structure_add_field(event_header_type, |
764 | _uint32_t, "id"); | |
765 | if (ret) { | |
766 | goto end; | |
767 | } | |
768 | ||
769 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
770 | _uint64_t, "timestamp"); | |
771 | if (ret) { | |
772 | goto end; | |
773 | } | |
774 | ||
662e778c JG |
775 | if (stream_class->event_header_type) { |
776 | bt_ctf_field_type_put(stream_class->event_header_type); | |
de876b7f | 777 | } |
662e778c | 778 | stream_class->event_header_type = event_header_type; |
11b0cdc8 JG |
779 | end: |
780 | if (ret) { | |
781 | bt_ctf_field_type_put(event_header_type); | |
782 | } | |
783 | ||
784 | bt_ctf_field_type_put(_uint32_t); | |
785 | bt_ctf_field_type_put(_uint64_t); | |
786 | return ret; | |
787 | } | |
788 | ||
789 | static | |
662e778c | 790 | int init_packet_context(struct bt_ctf_stream_class *stream_class) |
11b0cdc8 JG |
791 | { |
792 | int ret = 0; | |
793 | struct bt_ctf_field_type *packet_context_type = | |
794 | bt_ctf_field_type_structure_create(); | |
795 | struct bt_ctf_field_type *_uint64_t = | |
796 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
797 | ||
798 | if (!packet_context_type) { | |
799 | ret = -1; | |
800 | goto end; | |
801 | } | |
802 | ||
803 | /* | |
804 | * We create a stream packet context as proposed in the CTF | |
805 | * specification. | |
806 | */ | |
11b0cdc8 JG |
807 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
808 | _uint64_t, "timestamp_begin"); | |
809 | if (ret) { | |
810 | goto end; | |
811 | } | |
812 | ||
813 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
814 | _uint64_t, "timestamp_end"); | |
815 | if (ret) { | |
816 | goto end; | |
817 | } | |
818 | ||
819 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
820 | _uint64_t, "content_size"); | |
821 | if (ret) { | |
822 | goto end; | |
823 | } | |
824 | ||
825 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
826 | _uint64_t, "packet_size"); | |
827 | if (ret) { | |
828 | goto end; | |
829 | } | |
830 | ||
831 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
832 | _uint64_t, "events_discarded"); | |
833 | if (ret) { | |
834 | goto end; | |
835 | } | |
836 | ||
662e778c JG |
837 | if (stream_class->packet_context_type) { |
838 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
839 | } | |
11b0cdc8 | 840 | stream_class->packet_context_type = packet_context_type; |
11b0cdc8 JG |
841 | end: |
842 | if (ret) { | |
843 | bt_ctf_field_type_put(packet_context_type); | |
844 | goto end; | |
845 | } | |
846 | ||
847 | bt_ctf_field_type_put(_uint64_t); | |
848 | return ret; | |
849 | } |