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 | ||
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 | ||
3ea33115 JG |
104 | int bt_ctf_stream_class_set_name(struct bt_ctf_stream_class *stream_class, |
105 | const char *name) | |
106 | { | |
107 | int ret = 0; | |
108 | ||
109 | if (!stream_class || stream_class->frozen) { | |
110 | ret = -1; | |
111 | goto end; | |
112 | } | |
113 | ||
114 | g_string_assign(stream_class->name, name); | |
115 | end: | |
116 | return ret; | |
117 | } | |
118 | ||
2f100782 JG |
119 | struct bt_ctf_clock *bt_ctf_stream_class_get_clock( |
120 | struct bt_ctf_stream_class *stream_class) | |
121 | { | |
122 | struct bt_ctf_clock *clock = NULL; | |
123 | ||
124 | if (!stream_class || !stream_class->clock) { | |
125 | goto end; | |
126 | } | |
127 | ||
128 | clock = stream_class->clock; | |
129 | bt_ctf_clock_get(clock); | |
130 | end: | |
131 | return clock; | |
132 | } | |
133 | ||
11b0cdc8 JG |
134 | int bt_ctf_stream_class_set_clock(struct bt_ctf_stream_class *stream_class, |
135 | struct bt_ctf_clock *clock) | |
136 | { | |
137 | int ret = 0; | |
eee752e5 | 138 | struct bt_ctf_field_type *timestamp_field = NULL; |
11b0cdc8 JG |
139 | |
140 | if (!stream_class || !clock || stream_class->frozen) { | |
141 | ret = -1; | |
142 | goto end; | |
143 | } | |
144 | ||
eee752e5 JG |
145 | /* |
146 | * Look for a "timestamp" field in the stream class' event header type | |
147 | * and map the stream's clock to that field if no current mapping is | |
148 | * currently set. | |
149 | */ | |
150 | timestamp_field = bt_ctf_field_type_structure_get_field_type_by_name( | |
151 | stream_class->event_header_type, "timestamp"); | |
152 | if (timestamp_field) { | |
153 | struct bt_ctf_clock *mapped_clock; | |
154 | ||
155 | mapped_clock = bt_ctf_field_type_integer_get_mapped_clock( | |
156 | timestamp_field); | |
157 | if (mapped_clock) { | |
158 | bt_ctf_clock_put(mapped_clock); | |
159 | goto end; | |
160 | } | |
161 | ||
162 | ret = bt_ctf_field_type_integer_set_mapped_clock( | |
163 | timestamp_field, clock); | |
164 | if (ret) { | |
165 | goto end; | |
166 | } | |
167 | } | |
168 | ||
11b0cdc8 JG |
169 | if (stream_class->clock) { |
170 | bt_ctf_clock_put(stream_class->clock); | |
171 | } | |
172 | ||
173 | stream_class->clock = clock; | |
174 | bt_ctf_clock_get(clock); | |
175 | end: | |
eee752e5 JG |
176 | if (timestamp_field) { |
177 | bt_ctf_field_type_put(timestamp_field); | |
178 | } | |
11b0cdc8 JG |
179 | return ret; |
180 | } | |
181 | ||
2f100782 JG |
182 | int64_t bt_ctf_stream_class_get_id(struct bt_ctf_stream_class *stream_class) |
183 | { | |
184 | int64_t ret; | |
185 | ||
186 | if (!stream_class || !stream_class->id_set) { | |
187 | ret = -1; | |
188 | goto end; | |
189 | } | |
190 | ||
191 | ret = (int64_t) stream_class->id; | |
192 | end: | |
193 | return ret; | |
194 | } | |
195 | ||
196 | int bt_ctf_stream_class_set_id(struct bt_ctf_stream_class *stream_class, | |
197 | uint32_t id) | |
198 | { | |
199 | int ret = 0; | |
200 | ||
739a93c7 | 201 | if (!stream_class || stream_class->frozen) { |
2f100782 JG |
202 | ret = -1; |
203 | goto end; | |
204 | } | |
205 | ||
206 | stream_class->id = id; | |
207 | stream_class->id_set = 1; | |
208 | end: | |
209 | return ret; | |
210 | } | |
211 | ||
11b0cdc8 JG |
212 | int bt_ctf_stream_class_add_event_class( |
213 | struct bt_ctf_stream_class *stream_class, | |
214 | struct bt_ctf_event_class *event_class) | |
215 | { | |
216 | int ret = 0; | |
2f100782 | 217 | int64_t event_id; |
11b0cdc8 JG |
218 | |
219 | if (!stream_class || !event_class) { | |
220 | ret = -1; | |
221 | goto end; | |
222 | } | |
223 | ||
224 | /* Check for duplicate event classes */ | |
225 | struct search_query query = { .value = event_class, .found = 0 }; | |
226 | g_ptr_array_foreach(stream_class->event_classes, value_exists, &query); | |
227 | if (query.found) { | |
228 | ret = -1; | |
229 | goto end; | |
230 | } | |
231 | ||
2f100782 JG |
232 | /* Only set an event id if none was explicitly set before */ |
233 | event_id = bt_ctf_event_class_get_id(event_class); | |
234 | if (event_id < 0) { | |
235 | if (bt_ctf_event_class_set_id(event_class, | |
236 | stream_class->next_event_id++)) { | |
237 | ret = -1; | |
238 | goto end; | |
239 | } | |
240 | } | |
241 | ||
242 | ret = bt_ctf_event_class_set_stream_class(event_class, stream_class); | |
243 | if (ret) { | |
11b0cdc8 JG |
244 | goto end; |
245 | } | |
246 | ||
247 | bt_ctf_event_class_get(event_class); | |
248 | g_ptr_array_add(stream_class->event_classes, event_class); | |
249 | end: | |
250 | return ret; | |
251 | } | |
252 | ||
074ee56d | 253 | int bt_ctf_stream_class_get_event_class_count( |
69dc4535 JG |
254 | struct bt_ctf_stream_class *stream_class) |
255 | { | |
074ee56d | 256 | int ret; |
69dc4535 JG |
257 | |
258 | if (!stream_class) { | |
259 | ret = -1; | |
260 | goto end; | |
261 | } | |
262 | ||
074ee56d | 263 | ret = (int) stream_class->event_classes->len; |
69dc4535 JG |
264 | end: |
265 | return ret; | |
266 | } | |
267 | ||
268 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class( | |
074ee56d | 269 | struct bt_ctf_stream_class *stream_class, int index) |
69dc4535 JG |
270 | { |
271 | struct bt_ctf_event_class *event_class = NULL; | |
272 | ||
074ee56d JG |
273 | if (!stream_class || index < 0 || |
274 | index >= stream_class->event_classes->len) { | |
69dc4535 JG |
275 | goto end; |
276 | } | |
277 | ||
278 | event_class = g_ptr_array_index(stream_class->event_classes, index); | |
279 | bt_ctf_event_class_get(event_class); | |
280 | end: | |
281 | return event_class; | |
282 | } | |
283 | ||
284 | struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_name( | |
285 | struct bt_ctf_stream_class *stream_class, const char *name) | |
286 | { | |
287 | size_t i; | |
288 | GQuark name_quark; | |
289 | struct bt_ctf_event_class *event_class = NULL; | |
290 | ||
291 | if (!stream_class || !name) { | |
292 | goto end; | |
293 | } | |
294 | ||
295 | name_quark = g_quark_try_string(name); | |
296 | if (!name_quark) { | |
297 | goto end; | |
298 | } | |
299 | ||
300 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
301 | struct bt_ctf_event_class *current_event_class = | |
302 | g_ptr_array_index(stream_class->event_classes, i); | |
303 | ||
304 | if (name_quark == current_event_class->name) { | |
305 | event_class = current_event_class; | |
306 | bt_ctf_event_class_get(event_class); | |
307 | goto end; | |
308 | } | |
309 | } | |
310 | end: | |
311 | return event_class; | |
312 | } | |
313 | ||
12c8a1a3 JG |
314 | struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type( |
315 | struct bt_ctf_stream_class *stream_class) | |
316 | { | |
317 | struct bt_ctf_field_type *ret = NULL; | |
318 | ||
319 | if (!stream_class) { | |
320 | goto end; | |
321 | } | |
322 | ||
323 | assert(stream_class->packet_context_type); | |
324 | bt_ctf_field_type_get(stream_class->packet_context_type); | |
325 | ret = stream_class->packet_context_type; | |
326 | end: | |
327 | return ret; | |
328 | } | |
329 | ||
330 | int bt_ctf_stream_class_set_packet_context_type( | |
331 | struct bt_ctf_stream_class *stream_class, | |
332 | struct bt_ctf_field_type *packet_context_type) | |
333 | { | |
334 | int ret = 0; | |
335 | ||
0a00bfa1 | 336 | if (!stream_class || !packet_context_type || stream_class->frozen) { |
12c8a1a3 JG |
337 | ret = -1; |
338 | goto end; | |
339 | } | |
340 | ||
341 | assert(stream_class->packet_context_type); | |
662e778c JG |
342 | if (stream_class->packet_context_type == packet_context_type) { |
343 | goto end; | |
344 | } | |
b34f4d90 | 345 | if (bt_ctf_field_type_get_type_id(packet_context_type) != |
12c8a1a3 JG |
346 | CTF_TYPE_STRUCT) { |
347 | /* A packet context must be a structure */ | |
348 | ret = -1; | |
349 | goto end; | |
350 | } | |
351 | ||
352 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
353 | bt_ctf_field_type_get(packet_context_type); | |
354 | stream_class->packet_context_type = packet_context_type; | |
355 | end: | |
356 | return ret; | |
357 | } | |
358 | ||
662e778c JG |
359 | struct bt_ctf_field_type *bt_ctf_stream_class_get_event_header_type( |
360 | struct bt_ctf_stream_class *stream_class) | |
361 | { | |
362 | struct bt_ctf_field_type *ret = NULL; | |
363 | ||
364 | if (!stream_class || !stream_class->event_header_type) { | |
365 | goto end; | |
366 | } | |
367 | ||
368 | assert(stream_class->event_header_type); | |
369 | bt_ctf_field_type_get(stream_class->event_header_type); | |
370 | ret = stream_class->event_header_type; | |
371 | end: | |
372 | return ret; | |
373 | } | |
374 | ||
375 | int bt_ctf_stream_class_set_event_header_type( | |
376 | struct bt_ctf_stream_class *stream_class, | |
377 | struct bt_ctf_field_type *event_header_type) | |
378 | { | |
379 | int ret = 0; | |
380 | ||
381 | if (!stream_class || !event_header_type || stream_class->frozen) { | |
382 | ret = -1; | |
383 | goto end; | |
384 | } | |
385 | ||
386 | assert(stream_class->event_header_type); | |
387 | if (stream_class->event_header_type == event_header_type) { | |
388 | goto end; | |
389 | } | |
390 | if (bt_ctf_field_type_get_type_id(event_header_type) != | |
391 | CTF_TYPE_STRUCT) { | |
392 | /* An event header must be a structure */ | |
393 | ret = -1; | |
394 | goto end; | |
395 | } | |
396 | ||
397 | bt_ctf_field_type_put(stream_class->event_header_type); | |
398 | bt_ctf_field_type_get(event_header_type); | |
399 | stream_class->event_header_type = event_header_type; | |
400 | end: | |
401 | return ret; | |
402 | } | |
403 | ||
af181248 JG |
404 | struct bt_ctf_field_type *bt_ctf_stream_class_get_event_context_type( |
405 | struct bt_ctf_stream_class *stream_class) | |
406 | { | |
407 | struct bt_ctf_field_type *ret = NULL; | |
408 | ||
409 | if (!stream_class || !stream_class->event_context_type) { | |
410 | goto end; | |
411 | } | |
412 | ||
413 | assert(stream_class->event_context_type); | |
414 | bt_ctf_field_type_get(stream_class->event_context_type); | |
415 | ret = stream_class->event_context_type; | |
416 | end: | |
417 | return ret; | |
418 | } | |
419 | ||
420 | int bt_ctf_stream_class_set_event_context_type( | |
421 | struct bt_ctf_stream_class *stream_class, | |
422 | struct bt_ctf_field_type *event_context_type) | |
423 | { | |
424 | int ret = 0; | |
425 | ||
426 | if (!stream_class || !event_context_type || stream_class->frozen) { | |
427 | ret = -1; | |
428 | goto end; | |
429 | } | |
430 | ||
431 | if (bt_ctf_field_type_get_type_id(event_context_type) != | |
432 | CTF_TYPE_STRUCT) { | |
433 | /* A packet context must be a structure */ | |
434 | ret = -1; | |
435 | goto end; | |
436 | } | |
437 | ||
438 | bt_ctf_field_type_put(stream_class->event_context_type); | |
439 | bt_ctf_field_type_get(event_context_type); | |
440 | stream_class->event_context_type = event_context_type; | |
441 | end: | |
442 | return ret; | |
443 | } | |
444 | ||
11b0cdc8 JG |
445 | void bt_ctf_stream_class_get(struct bt_ctf_stream_class *stream_class) |
446 | { | |
447 | if (!stream_class) { | |
448 | return; | |
449 | } | |
450 | ||
451 | bt_ctf_ref_get(&stream_class->ref_count); | |
452 | } | |
453 | ||
454 | void bt_ctf_stream_class_put(struct bt_ctf_stream_class *stream_class) | |
455 | { | |
456 | if (!stream_class) { | |
457 | return; | |
458 | } | |
459 | ||
460 | bt_ctf_ref_put(&stream_class->ref_count, bt_ctf_stream_class_destroy); | |
461 | } | |
462 | ||
463 | BT_HIDDEN | |
464 | void bt_ctf_stream_class_freeze(struct bt_ctf_stream_class *stream_class) | |
465 | { | |
c35a1669 JG |
466 | size_t i; |
467 | ||
11b0cdc8 JG |
468 | if (!stream_class) { |
469 | return; | |
470 | } | |
471 | ||
472 | stream_class->frozen = 1; | |
662e778c | 473 | bt_ctf_field_type_freeze(stream_class->event_header_type); |
12c8a1a3 | 474 | bt_ctf_field_type_freeze(stream_class->packet_context_type); |
af181248 | 475 | bt_ctf_field_type_freeze(stream_class->event_context_type); |
11b0cdc8 | 476 | bt_ctf_clock_freeze(stream_class->clock); |
c35a1669 JG |
477 | |
478 | bt_ctf_field_type_set_native_byte_order( | |
479 | stream_class->event_header_type, stream_class->byte_order); | |
480 | bt_ctf_field_type_set_native_byte_order( | |
481 | stream_class->packet_context_type, stream_class->byte_order); | |
482 | bt_ctf_field_type_set_native_byte_order( | |
483 | stream_class->event_context_type, stream_class->byte_order); | |
484 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
485 | bt_ctf_event_class_set_native_byte_order( | |
486 | g_ptr_array_index(stream_class->event_classes, i), | |
487 | stream_class->byte_order); | |
488 | bt_ctf_event_class_freeze( | |
489 | g_ptr_array_index(stream_class->event_classes, i)); | |
490 | } | |
11b0cdc8 JG |
491 | } |
492 | ||
11b0cdc8 JG |
493 | BT_HIDDEN |
494 | int bt_ctf_stream_class_set_byte_order(struct bt_ctf_stream_class *stream_class, | |
495 | enum bt_ctf_byte_order byte_order) | |
496 | { | |
497 | int ret = 0; | |
c35a1669 | 498 | int internal_byte_order; |
11b0cdc8 | 499 | |
c35a1669 JG |
500 | /* Note that "NATIVE" means the trace's endianness, not the host's. */ |
501 | if (!stream_class || byte_order <= BT_CTF_BYTE_ORDER_UNKNOWN || | |
502 | byte_order > BT_CTF_BYTE_ORDER_NETWORK || | |
503 | stream_class->frozen) { | |
504 | ret = -1; | |
505 | goto end; | |
506 | } | |
507 | ||
508 | switch (byte_order) { | |
509 | case BT_CTF_BYTE_ORDER_NETWORK: | |
510 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
511 | internal_byte_order = BIG_ENDIAN; | |
512 | break; | |
513 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
514 | internal_byte_order = LITTLE_ENDIAN; | |
515 | break; | |
516 | default: | |
517 | ret = -1; | |
11b0cdc8 JG |
518 | goto end; |
519 | } | |
c35a1669 JG |
520 | |
521 | stream_class->byte_order = internal_byte_order; | |
11b0cdc8 JG |
522 | end: |
523 | return ret; | |
524 | } | |
525 | ||
526 | BT_HIDDEN | |
527 | int bt_ctf_stream_class_serialize(struct bt_ctf_stream_class *stream_class, | |
528 | struct metadata_context *context) | |
529 | { | |
2f100782 | 530 | int64_t ret = 0; |
11b0cdc8 JG |
531 | size_t i; |
532 | ||
533 | g_string_assign(context->field_name, ""); | |
534 | context->current_indentation_level = 1; | |
535 | if (!stream_class->id_set) { | |
536 | ret = -1; | |
537 | goto end; | |
538 | } | |
539 | ||
540 | g_string_append_printf(context->string, | |
541 | "stream {\n\tid = %" PRIu32 ";\n\tevent.header := ", | |
542 | stream_class->id); | |
543 | ret = bt_ctf_field_type_serialize(stream_class->event_header_type, | |
544 | context); | |
545 | if (ret) { | |
546 | goto end; | |
547 | } | |
548 | ||
549 | g_string_append(context->string, ";\n\n\tpacket.context := "); | |
550 | ret = bt_ctf_field_type_serialize(stream_class->packet_context_type, | |
551 | context); | |
552 | if (ret) { | |
553 | goto end; | |
554 | } | |
555 | ||
556 | if (stream_class->event_context_type) { | |
557 | g_string_append(context->string, ";\n\n\tevent.context := "); | |
558 | ret = bt_ctf_field_type_serialize( | |
559 | stream_class->event_context_type, context); | |
560 | if (ret) { | |
561 | goto end; | |
562 | } | |
563 | } | |
564 | ||
565 | g_string_append(context->string, ";\n};\n\n"); | |
11b0cdc8 JG |
566 | for (i = 0; i < stream_class->event_classes->len; i++) { |
567 | struct bt_ctf_event_class *event_class = | |
568 | stream_class->event_classes->pdata[i]; | |
569 | ||
11b0cdc8 JG |
570 | ret = bt_ctf_event_class_serialize(event_class, context); |
571 | if (ret) { | |
572 | goto end; | |
573 | } | |
574 | } | |
575 | end: | |
576 | context->current_indentation_level = 0; | |
577 | return ret; | |
578 | } | |
579 | ||
580 | static | |
581 | void bt_ctf_stream_class_destroy(struct bt_ctf_ref *ref) | |
582 | { | |
583 | struct bt_ctf_stream_class *stream_class; | |
584 | ||
585 | if (!ref) { | |
586 | return; | |
587 | } | |
588 | ||
589 | stream_class = container_of(ref, struct bt_ctf_stream_class, ref_count); | |
590 | bt_ctf_clock_put(stream_class->clock); | |
591 | ||
592 | if (stream_class->event_classes) { | |
2f100782 JG |
593 | size_t i; |
594 | ||
595 | /* Unregister this stream class from the event classes */ | |
596 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
597 | struct bt_ctf_event_class *event_class = | |
598 | g_ptr_array_index(stream_class->event_classes, | |
599 | i); | |
600 | ||
601 | bt_ctf_event_class_set_stream_class(event_class, NULL); | |
602 | } | |
603 | ||
11b0cdc8 JG |
604 | g_ptr_array_free(stream_class->event_classes, TRUE); |
605 | } | |
606 | ||
607 | if (stream_class->name) { | |
608 | g_string_free(stream_class->name, TRUE); | |
609 | } | |
610 | ||
611 | bt_ctf_field_type_put(stream_class->event_header_type); | |
11b0cdc8 | 612 | bt_ctf_field_type_put(stream_class->packet_context_type); |
af181248 JG |
613 | if (stream_class->event_context_type) { |
614 | bt_ctf_field_type_put(stream_class->event_context_type); | |
615 | } | |
11b0cdc8 JG |
616 | g_free(stream_class); |
617 | } | |
618 | ||
619 | static | |
662e778c | 620 | int init_event_header(struct bt_ctf_stream_class *stream_class) |
11b0cdc8 JG |
621 | { |
622 | int ret = 0; | |
623 | struct bt_ctf_field_type *event_header_type = | |
624 | bt_ctf_field_type_structure_create(); | |
625 | struct bt_ctf_field_type *_uint32_t = | |
626 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
627 | struct bt_ctf_field_type *_uint64_t = | |
628 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
629 | ||
630 | if (!event_header_type) { | |
631 | ret = -1; | |
632 | goto end; | |
633 | } | |
634 | ||
11b0cdc8 JG |
635 | ret = bt_ctf_field_type_structure_add_field(event_header_type, |
636 | _uint32_t, "id"); | |
637 | if (ret) { | |
638 | goto end; | |
639 | } | |
640 | ||
641 | ret = bt_ctf_field_type_structure_add_field(event_header_type, | |
642 | _uint64_t, "timestamp"); | |
643 | if (ret) { | |
644 | goto end; | |
645 | } | |
646 | ||
662e778c JG |
647 | if (stream_class->event_header_type) { |
648 | bt_ctf_field_type_put(stream_class->event_header_type); | |
de876b7f | 649 | } |
662e778c | 650 | stream_class->event_header_type = event_header_type; |
11b0cdc8 JG |
651 | end: |
652 | if (ret) { | |
653 | bt_ctf_field_type_put(event_header_type); | |
654 | } | |
655 | ||
656 | bt_ctf_field_type_put(_uint32_t); | |
657 | bt_ctf_field_type_put(_uint64_t); | |
658 | return ret; | |
659 | } | |
660 | ||
661 | static | |
662e778c | 662 | int init_packet_context(struct bt_ctf_stream_class *stream_class) |
11b0cdc8 JG |
663 | { |
664 | int ret = 0; | |
665 | struct bt_ctf_field_type *packet_context_type = | |
666 | bt_ctf_field_type_structure_create(); | |
667 | struct bt_ctf_field_type *_uint64_t = | |
668 | get_field_type(FIELD_TYPE_ALIAS_UINT64_T); | |
669 | ||
670 | if (!packet_context_type) { | |
671 | ret = -1; | |
672 | goto end; | |
673 | } | |
674 | ||
675 | /* | |
676 | * We create a stream packet context as proposed in the CTF | |
677 | * specification. | |
678 | */ | |
11b0cdc8 JG |
679 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, |
680 | _uint64_t, "timestamp_begin"); | |
681 | if (ret) { | |
682 | goto end; | |
683 | } | |
684 | ||
685 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
686 | _uint64_t, "timestamp_end"); | |
687 | if (ret) { | |
688 | goto end; | |
689 | } | |
690 | ||
691 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
692 | _uint64_t, "content_size"); | |
693 | if (ret) { | |
694 | goto end; | |
695 | } | |
696 | ||
697 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
698 | _uint64_t, "packet_size"); | |
699 | if (ret) { | |
700 | goto end; | |
701 | } | |
702 | ||
703 | ret = bt_ctf_field_type_structure_add_field(packet_context_type, | |
704 | _uint64_t, "events_discarded"); | |
705 | if (ret) { | |
706 | goto end; | |
707 | } | |
708 | ||
662e778c JG |
709 | if (stream_class->packet_context_type) { |
710 | bt_ctf_field_type_put(stream_class->packet_context_type); | |
711 | } | |
11b0cdc8 | 712 | stream_class->packet_context_type = packet_context_type; |
11b0cdc8 JG |
713 | end: |
714 | if (ret) { | |
715 | bt_ctf_field_type_put(packet_context_type); | |
716 | goto end; | |
717 | } | |
718 | ||
719 | bt_ctf_field_type_put(_uint64_t); | |
720 | return ret; | |
721 | } |