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