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 | ||
654c1444 | 54 | if (!name || !strlen(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 | ||
69dc4535 JG |
90 | const char *bt_ctf_stream_class_get_name( |
91 | struct bt_ctf_stream_class *stream_class) | |
92 | { | |
93 | const char *name = NULL; | |
94 | ||
95 | if (!stream_class) { | |
96 | goto end; | |
97 | } | |
98 | ||
99 | name = stream_class->name->str; | |
100 | end: | |
101 | return name; | |
102 | } | |
103 | ||
2f100782 JG |
104 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( |
105 | struct bt_ctf_stream_class *stream_class) | |
106 | { | |
107 | struct bt_ctf_clock *clock = NULL; | |
108 | ||
109 | if (!stream_class || !stream_class->clock) { | |
110 | goto end; | |
111 | } | |
112 | ||
113 | clock = stream_class->clock; | |
114 | bt_ctf_clock_get(clock); | |
115 | end: | |
116 | return clock; | |
117 | } | |
118 | ||
11b0cdc8 JG |
119 | int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, |
120 | struct bt_ctf_clock *clock) | |
121 | { | |
122 | int ret = 0; | |
123 | ||
124 | if (!stream_class || !clock || stream_class->frozen) { | |
125 | ret = -1; | |
126 | goto end; | |
127 | } | |
128 | ||
129 | if (stream_class->clock) { | |
130 | bt_ctf_clock_put(stream_class->clock); | |
131 | } | |
132 | ||
133 | stream_class->clock = clock; | |
134 | bt_ctf_clock_get(clock); | |
135 | end: | |
136 | return ret; | |
137 | } | |
138 | ||
2f100782 JG |
139 | int64_t bt_ctf_stream_class_get_id(struct bt_ctf_stream_class *stream_class) |
140 | { | |
141 | int64_t ret; | |
142 | ||
143 | if (!stream_class || !stream_class->id_set) { | |
144 | ret = -1; | |
145 | goto end; | |
146 | } | |
147 | ||
148 | ret = (int64_t) stream_class->id; | |
149 | end: | |
150 | return ret; | |
151 | } | |
152 | ||
153 | int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, | |
154 | uint32_t id) | |
155 | { | |
156 | int ret = 0; | |
157 | ||
739a93c7 | 158 | if (!stream_class || stream_class->frozen) { |
2f100782 JG |
159 | ret = -1; |
160 | goto end; | |
161 | } | |
162 | ||
163 | stream_class->id = id; | |
164 | stream_class->id_set = 1; | |
165 | end: | |
166 | return ret; | |
167 | } | |
168 | ||
11b0cdc8 JG |
169 | int bt_ctf_stream_class_add_event_class( |
170 | struct bt_ctf_stream_class *stream_class, | |
171 | struct bt_ctf_event_class *event_class) | |
172 | { | |
173 | int ret = 0; | |
2f100782 | 174 | int64_t event_id; |
11b0cdc8 JG |
175 | |
176 | if (!stream_class || !event_class) { | |
177 | ret = -1; | |
178 | goto end; | |
179 | } | |
180 | ||
181 | /* Check for duplicate event classes */ | |
182 | struct search_query query = { .value = event_class, .found = 0 }; | |
183 | g_ptr_array_foreach(stream_class->event_classes, value_exists, &query); | |
184 | if (query.found) { | |
185 | ret = -1; | |
186 | goto end; | |
187 | } | |
188 | ||
2f100782 JG |
189 | /* Only set an event id if none was explicitly set before */ |
190 | event_id = bt_ctf_event_class_get_id(event_class); | |
191 | if (event_id < 0) { | |
192 | if (bt_ctf_event_class_set_id(event_class, | |
193 | stream_class->next_event_id++)) { | |
194 | ret = -1; | |
195 | goto end; | |
196 | } | |
197 | } | |
198 | ||
199 | ret = bt_ctf_event_class_set_stream_class(event_class, stream_class); | |
200 | if (ret) { | |
11b0cdc8 JG |
201 | goto end; |
202 | } | |
203 | ||
204 | bt_ctf_event_class_get(event_class); | |
205 | g_ptr_array_add(stream_class->event_classes, event_class); | |
206 | end: | |
207 | return ret; | |
208 | } | |
209 | ||
074ee56d | 210 | int bt_ctf_stream_class_get_event_class_count( |
69dc4535 JG |
211 | struct bt_ctf_stream_class *stream_class) |
212 | { | |
074ee56d | 213 | int ret; |
69dc4535 JG |
214 | |
215 | if (!stream_class) { | |
216 | ret = -1; | |
217 | goto end; | |
218 | } | |
219 | ||
074ee56d | 220 | ret = (int) stream_class->event_classes->len; |
69dc4535 JG |
221 | end: |
222 | return ret; | |
223 | } | |
224 | ||
225 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class( | |
074ee56d | 226 | struct bt_ctf_stream_class *stream_class, int index) |
69dc4535 JG |
227 | { |
228 | struct bt_ctf_event_class *event_class = NULL; | |
229 | ||
074ee56d JG |
230 | if (!stream_class || index < 0 || |
231 | index >= stream_class->event_classes->len) { | |
69dc4535 JG |
232 | goto end; |
233 | } | |
234 | ||
235 | event_class = g_ptr_array_index(stream_class->event_classes, index); | |
236 | bt_ctf_event_class_get(event_class); | |
237 | end: | |
238 | return event_class; | |
239 | } | |
240 | ||
241 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_name( | |
242 | struct bt_ctf_stream_class *stream_class, const char *name) | |
243 | { | |
244 | size_t i; | |
245 | GQuark name_quark; | |
246 | struct bt_ctf_event_class *event_class = NULL; | |
247 | ||
248 | if (!stream_class || !name) { | |
249 | goto end; | |
250 | } | |
251 | ||
252 | name_quark = g_quark_try_string(name); | |
253 | if (!name_quark) { | |
254 | goto end; | |
255 | } | |
256 | ||
257 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
258 | struct bt_ctf_event_class *current_event_class = | |
259 | g_ptr_array_index(stream_class->event_classes, i); | |
260 | ||
261 | if (name_quark == current_event_class->name) { | |
262 | event_class = current_event_class; | |
263 | bt_ctf_event_class_get(event_class); | |
264 | goto end; | |
265 | } | |
266 | } | |
267 | end: | |
268 | return event_class; | |
269 | } | |
270 | ||
12c8a1a3 JG |
271 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( |
272 | struct bt_ctf_stream_class *stream_class) | |
273 | { | |
274 | struct bt_ctf_field_type *ret = NULL; | |
275 | ||
276 | if (!stream_class) { | |
277 | goto end; | |
278 | } | |
279 | ||
280 | assert(stream_class->packet_context_type); | |
281 | bt_ctf_field_type_get(stream_class->packet_context_type); | |
282 | ret = stream_class->packet_context_type; | |
283 | end: | |
284 | return ret; | |
285 | } | |
286 | ||
287 | int bt_ctf_stream_class_set_packet_context_type( | |
288 | struct bt_ctf_stream_class *stream_class, | |
289 | struct bt_ctf_field_type *packet_context_type) | |
290 | { | |
291 | int ret = 0; | |
292 | ||
0a00bfa1 | 293 | if (!stream_class || !packet_context_type || stream_class->frozen) { |
12c8a1a3 JG |
294 | ret = -1; |
295 | goto end; | |
296 | } | |
297 | ||
298 | assert(stream_class->packet_context_type); | |
662e778c JG |
299 | if (stream_class->packet_context_type == packet_context_type) { |
300 | goto end; | |
301 | } | |
b34f4d90 | 302 | if (bt_ctf_field_type_get_type_id(packet_context_type) != |
12c8a1a3 JG |
303 | CTF_TYPE_STRUCT) { |
304 | /* A packet context must be a structure */ | |
305 | ret = -1; | |
306 | goto end; | |
307 | } | |
308 | ||
309 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
310 | bt_ctf_field_type_get(packet_context_type); | |
311 | stream_class->packet_context_type = packet_context_type; | |
312 | end: | |
313 | return ret; | |
314 | } | |
315 | ||
662e778c JG |
316 | struct bt_ctf_field_type *bt_ctf_stream_class_get_event_header_type( |
317 | struct bt_ctf_stream_class *stream_class) | |
318 | { | |
319 | struct bt_ctf_field_type *ret = NULL; | |
320 | ||
321 | if (!stream_class || !stream_class->event_header_type) { | |
322 | goto end; | |
323 | } | |
324 | ||
325 | assert(stream_class->event_header_type); | |
326 | bt_ctf_field_type_get(stream_class->event_header_type); | |
327 | ret = stream_class->event_header_type; | |
328 | end: | |
329 | return ret; | |
330 | } | |
331 | ||
332 | int bt_ctf_stream_class_set_event_header_type( | |
333 | struct bt_ctf_stream_class *stream_class, | |
334 | struct bt_ctf_field_type *event_header_type) | |
335 | { | |
336 | int ret = 0; | |
337 | ||
338 | if (!stream_class || !event_header_type || stream_class->frozen) { | |
339 | ret = -1; | |
340 | goto end; | |
341 | } | |
342 | ||
343 | assert(stream_class->event_header_type); | |
344 | if (stream_class->event_header_type == event_header_type) { | |
345 | goto end; | |
346 | } | |
347 | if (bt_ctf_field_type_get_type_id(event_header_type) != | |
348 | CTF_TYPE_STRUCT) { | |
349 | /* An event header must be a structure */ | |
350 | ret = -1; | |
351 | goto end; | |
352 | } | |
353 | ||
354 | bt_ctf_field_type_put(stream_class->event_header_type); | |
355 | bt_ctf_field_type_get(event_header_type); | |
356 | stream_class->event_header_type = event_header_type; | |
357 | end: | |
358 | return ret; | |
359 | } | |
360 | ||
af181248 JG |
361 | struct bt_ctf_field_type *bt_ctf_stream_class_get_event_context_type( |
362 | struct bt_ctf_stream_class *stream_class) | |
363 | { | |
364 | struct bt_ctf_field_type *ret = NULL; | |
365 | ||
366 | if (!stream_class || !stream_class->event_context_type) { | |
367 | goto end; | |
368 | } | |
369 | ||
370 | assert(stream_class->event_context_type); | |
371 | bt_ctf_field_type_get(stream_class->event_context_type); | |
372 | ret = stream_class->event_context_type; | |
373 | end: | |
374 | return ret; | |
375 | } | |
376 | ||
377 | int bt_ctf_stream_class_set_event_context_type( | |
378 | struct bt_ctf_stream_class *stream_class, | |
379 | struct bt_ctf_field_type *event_context_type) | |
380 | { | |
381 | int ret = 0; | |
382 | ||
383 | if (!stream_class || !event_context_type || stream_class->frozen) { | |
384 | ret = -1; | |
385 | goto end; | |
386 | } | |
387 | ||
388 | if (bt_ctf_field_type_get_type_id(event_context_type) != | |
389 | CTF_TYPE_STRUCT) { | |
390 | /* A packet context must be a structure */ | |
391 | ret = -1; | |
392 | goto end; | |
393 | } | |
394 | ||
395 | bt_ctf_field_type_put(stream_class->event_context_type); | |
396 | bt_ctf_field_type_get(event_context_type); | |
397 | stream_class->event_context_type = event_context_type; | |
398 | end: | |
399 | return ret; | |
400 | } | |
401 | ||
11b0cdc8 JG |
402 | void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class) |
403 | { | |
404 | if (!stream_class) { | |
405 | return; | |
406 | } | |
407 | ||
408 | bt_ctf_ref_get(&stream_class->ref_count); | |
409 | } | |
410 | ||
411 | void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class) | |
412 | { | |
413 | if (!stream_class) { | |
414 | return; | |
415 | } | |
416 | ||
417 | bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy); | |
418 | } | |
419 | ||
420 | BT_HIDDEN | |
421 | void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class) | |
422 | { | |
c35a1669 JG |
423 | size_t i; |
424 | ||
11b0cdc8 JG |
425 | if (!stream_class) { |
426 | return; | |
427 | } | |
428 | ||
429 | stream_class->frozen = 1; | |
662e778c | 430 | bt_ctf_field_type_freeze(stream_class->event_header_type); |
12c8a1a3 | 431 | bt_ctf_field_type_freeze(stream_class->packet_context_type); |
af181248 | 432 | bt_ctf_field_type_freeze(stream_class->event_context_type); |
11b0cdc8 | 433 | bt_ctf_clock_freeze(stream_class->clock); |
c35a1669 JG |
434 | |
435 | bt_ctf_field_type_set_native_byte_order( | |
436 | stream_class->event_header_type, stream_class->byte_order); | |
437 | bt_ctf_field_type_set_native_byte_order( | |
438 | stream_class->packet_context_type, stream_class->byte_order); | |
439 | bt_ctf_field_type_set_native_byte_order( | |
440 | stream_class->event_context_type, stream_class->byte_order); | |
441 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
442 | bt_ctf_event_class_set_native_byte_order( | |
443 | g_ptr_array_index(stream_class->event_classes, i), | |
444 | stream_class->byte_order); | |
445 | bt_ctf_event_class_freeze( | |
446 | g_ptr_array_index(stream_class->event_classes, i)); | |
447 | } | |
11b0cdc8 JG |
448 | } |
449 | ||
11b0cdc8 JG |
450 | BT_HIDDEN |
451 | int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class, | |
452 | enum bt_ctf_byte_order byte_order) | |
453 | { | |
454 | int ret = 0; | |
c35a1669 | 455 | int internal_byte_order; |
11b0cdc8 | 456 | |
c35a1669 JG |
457 | /* Note that "NATIVE" means the trace's endianness, not the host's. */ |
458 | if (!stream_class || byte_order <= BT_CTF_BYTE_ORDER_UNKNOWN || | |
459 | byte_order > BT_CTF_BYTE_ORDER_NETWORK || | |
460 | stream_class->frozen) { | |
461 | ret = -1; | |
462 | goto end; | |
463 | } | |
464 | ||
465 | switch (byte_order) { | |
466 | case BT_CTF_BYTE_ORDER_NETWORK: | |
467 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
468 | internal_byte_order = BIG_ENDIAN; | |
469 | break; | |
470 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
471 | internal_byte_order = LITTLE_ENDIAN; | |
472 | break; | |
473 | default: | |
474 | ret = -1; | |
11b0cdc8 JG |
475 | goto end; |
476 | } | |
c35a1669 JG |
477 | |
478 | stream_class->byte_order = internal_byte_order; | |
11b0cdc8 JG |
479 | end: |
480 | return ret; | |
481 | } | |
482 | ||
483 | BT_HIDDEN | |
484 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
485 | struct metadata_context *context) | |
486 | { | |
2f100782 | 487 | int64_t ret = 0; |
11b0cdc8 JG |
488 | size_t i; |
489 | ||
490 | g_string_assign(context->field_name, ""); | |
491 | context->current_indentation_level = 1; | |
492 | if (!stream_class->id_set) { | |
493 | ret = -1; | |
494 | goto end; | |
495 | } | |
496 | ||
497 | g_string_append_printf(context->string, | |
498 | "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ", | |
499 | stream_class->id); | |
500 | ret = bt_ctf_field_type_serialize(stream_class->event_header_type, | |
501 | context); | |
502 | if (ret) { | |
503 | goto end; | |
504 | } | |
505 | ||
506 | g_string_append(context->string, ";\n\n\tpacket.context := "); | |
507 | ret = bt_ctf_field_type_serialize(stream_class->packet_context_type, | |
508 | context); | |
509 | if (ret) { | |
510 | goto end; | |
511 | } | |
512 | ||
513 | if (stream_class->event_context_type) { | |
514 | g_string_append(context->string, ";\n\n\tevent.context := "); | |
515 | ret = bt_ctf_field_type_serialize( | |
516 | stream_class->event_context_type, context); | |
517 | if (ret) { | |
518 | goto end; | |
519 | } | |
520 | } | |
521 | ||
522 | g_string_append(context->string, ";\n};\n\n"); | |
11b0cdc8 JG |
523 | for (i = 0; i < stream_class->event_classes->len; i++) { |
524 | struct bt_ctf_event_class *event_class = | |
525 | stream_class->event_classes->pdata[i]; | |
526 | ||
11b0cdc8 JG |
527 | ret = bt_ctf_event_class_serialize(event_class, context); |
528 | if (ret) { | |
529 | goto end; | |
530 | } | |
531 | } | |
532 | end: | |
533 | context->current_indentation_level = 0; | |
534 | return ret; | |
535 | } | |
536 | ||
537 | static | |
538 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref) | |
539 | { | |
540 | struct bt_ctf_stream_class *stream_class; | |
541 | ||
542 | if (!ref) { | |
543 | return; | |
544 | } | |
545 | ||
546 | stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count); | |
547 | bt_ctf_clock_put(stream_class->clock); | |
548 | ||
549 | if (stream_class->event_classes) { | |
2f100782 JG |
550 | size_t i; |
551 | ||
552 | /* Unregister this stream class from the event classes */ | |
553 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
554 | struct bt_ctf_event_class *event_class = | |
555 | g_ptr_array_index(stream_class->event_classes, | |
556 | i); | |
557 | ||
558 | bt_ctf_event_class_set_stream_class(event_class, NULL); | |
559 | } | |
560 | ||
11b0cdc8 JG |
561 | g_ptr_array_free(stream_class->event_classes, TRUE); |
562 | } | |
563 | ||
564 | if (stream_class->name) { | |
565 | g_string_free(stream_class->name, TRUE); | |
566 | } | |
567 | ||
568 | bt_ctf_field_type_put(stream_class->event_header_type); | |
11b0cdc8 | 569 | bt_ctf_field_type_put(stream_class->packet_context_type); |
af181248 JG |
570 | if (stream_class->event_context_type) { |
571 | bt_ctf_field_type_put(stream_class->event_context_type); | |
572 | } | |
11b0cdc8 JG |
573 | g_free(stream_class); |
574 | } | |
575 | ||
576 | static | |
662e778c | 577 | int init_event_header(struct bt_ctf_stream_class *stream_class) |
11b0cdc8 JG |
578 | { |
579 | int ret = 0; | |
580 | struct bt_ctf_field_type *event_header_type = | |
581 | bt_ctf_field_type_structure_create(); | |
582 | struct bt_ctf_field_type *_uint32_t = | |
583 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
584 | struct bt_ctf_field_type *_uint64_t = | |
585 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
586 | ||
587 | if (!event_header_type) { | |
588 | ret = -1; | |
589 | goto end; | |
590 | } | |
591 | ||
11b0cdc8 JG |
592 | ret = bt_ctf_field_type_structure_add_field(event_header_type, |
593 | _uint32_t, "id"); | |
594 | if (ret) { | |
595 | goto end; | |
596 | } | |
597 | ||
598 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
599 | _uint64_t, "timestamp"); | |
600 | if (ret) { | |
601 | goto end; | |
602 | } | |
603 | ||
662e778c JG |
604 | if (stream_class->event_header_type) { |
605 | bt_ctf_field_type_put(stream_class->event_header_type); | |
de876b7f | 606 | } |
662e778c | 607 | stream_class->event_header_type = event_header_type; |
11b0cdc8 JG |
608 | end: |
609 | if (ret) { | |
610 | bt_ctf_field_type_put(event_header_type); | |
611 | } | |
612 | ||
613 | bt_ctf_field_type_put(_uint32_t); | |
614 | bt_ctf_field_type_put(_uint64_t); | |
615 | return ret; | |
616 | } | |
617 | ||
618 | static | |
662e778c | 619 | int init_packet_context(struct bt_ctf_stream_class *stream_class) |
11b0cdc8 JG |
620 | { |
621 | int ret = 0; | |
622 | struct bt_ctf_field_type *packet_context_type = | |
623 | bt_ctf_field_type_structure_create(); | |
624 | struct bt_ctf_field_type *_uint64_t = | |
625 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
626 | ||
627 | if (!packet_context_type) { | |
628 | ret = -1; | |
629 | goto end; | |
630 | } | |
631 | ||
632 | /* | |
633 | * We create a stream packet context as proposed in the CTF | |
634 | * specification. | |
635 | */ | |
11b0cdc8 JG |
636 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
637 | _uint64_t, "timestamp_begin"); | |
638 | if (ret) { | |
639 | goto end; | |
640 | } | |
641 | ||
642 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
643 | _uint64_t, "timestamp_end"); | |
644 | if (ret) { | |
645 | goto end; | |
646 | } | |
647 | ||
648 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
649 | _uint64_t, "content_size"); | |
650 | if (ret) { | |
651 | goto end; | |
652 | } | |
653 | ||
654 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
655 | _uint64_t, "packet_size"); | |
656 | if (ret) { | |
657 | goto end; | |
658 | } | |
659 | ||
660 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
661 | _uint64_t, "events_discarded"); | |
662 | if (ret) { | |
663 | goto end; | |
664 | } | |
665 | ||
662e778c JG |
666 | if (stream_class->packet_context_type) { |
667 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
668 | } | |
11b0cdc8 | 669 | stream_class->packet_context_type = packet_context_type; |
11b0cdc8 JG |
670 | end: |
671 | if (ret) { | |
672 | bt_ctf_field_type_put(packet_context_type); | |
673 | goto end; | |
674 | } | |
675 | ||
676 | bt_ctf_field_type_put(_uint64_t); | |
677 | return ret; | |
678 | } |