Commit | Line | Data |
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bc37ae52 JG |
1 | /* |
2 | * trace.c | |
3 | * | |
4 | * Babeltrace CTF IR - Trace | |
5 | * | |
6 | * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
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-ir/trace-internal.h> | |
30 | #include <babeltrace/ctf-ir/clock-internal.h> | |
31 | #include <babeltrace/ctf-ir/stream-internal.h> | |
32 | #include <babeltrace/ctf-ir/stream-class-internal.h> | |
09840de5 | 33 | #include <babeltrace/ctf-ir/event-internal.h> |
272df73e PP |
34 | #include <babeltrace/ctf-ir/event-class.h> |
35 | #include <babeltrace/ctf-ir/event-class-internal.h> | |
bc37ae52 | 36 | #include <babeltrace/ctf-writer/functor-internal.h> |
2e33ac5a | 37 | #include <babeltrace/ctf-ir/field-types-internal.h> |
44e0a4f5 | 38 | #include <babeltrace/ctf-ir/attributes-internal.h> |
09840de5 | 39 | #include <babeltrace/ctf-ir/validation-internal.h> |
8bf65fbd | 40 | #include <babeltrace/ctf-ir/visitor-internal.h> |
654c1444 | 41 | #include <babeltrace/ctf-ir/utils.h> |
8bf65fbd | 42 | #include <babeltrace/plugin/notification/schema.h> |
bc37ae52 | 43 | #include <babeltrace/compiler.h> |
dac5c838 | 44 | #include <babeltrace/values.h> |
83509119 | 45 | #include <babeltrace/ref.h> |
a0b720b2 | 46 | #include <babeltrace/endian.h> |
bc37ae52 JG |
47 | |
48 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
49 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
50 | ||
2204c381 JG |
51 | struct notification_handler { |
52 | bt_ctf_notification_cb func; | |
53 | void *data; | |
54 | }; | |
55 | ||
bc37ae52 | 56 | static |
83509119 | 57 | void bt_ctf_trace_destroy(struct bt_object *obj); |
bc37ae52 JG |
58 | static |
59 | int init_trace_packet_header(struct bt_ctf_trace *trace); | |
f67f3a6e | 60 | static |
09840de5 | 61 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace); |
bc37ae52 | 62 | |
bc37ae52 JG |
63 | static |
64 | const unsigned int field_type_aliases_alignments[] = { | |
65 | [FIELD_TYPE_ALIAS_UINT5_T] = 1, | |
66 | [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8, | |
67 | [FIELD_TYPE_ALIAS_UINT27_T] = 1, | |
68 | [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8, | |
69 | }; | |
70 | ||
71 | static | |
72 | const unsigned int field_type_aliases_sizes[] = { | |
73 | [FIELD_TYPE_ALIAS_UINT5_T] = 5, | |
74 | [FIELD_TYPE_ALIAS_UINT8_T] = 8, | |
75 | [FIELD_TYPE_ALIAS_UINT16_T] = 16, | |
76 | [FIELD_TYPE_ALIAS_UINT27_T] = 27, | |
77 | [FIELD_TYPE_ALIAS_UINT32_T] = 32, | |
78 | [FIELD_TYPE_ALIAS_UINT64_T] = 64, | |
79 | }; | |
80 | ||
bc37ae52 JG |
81 | struct bt_ctf_trace *bt_ctf_trace_create(void) |
82 | { | |
83 | struct bt_ctf_trace *trace = NULL; | |
84 | ||
85 | trace = g_new0(struct bt_ctf_trace, 1); | |
86 | if (!trace) { | |
87 | goto error; | |
88 | } | |
89 | ||
90 | bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE); | |
83509119 | 91 | bt_object_init(trace, bt_ctf_trace_destroy); |
bc37ae52 | 92 | trace->clocks = g_ptr_array_new_with_free_func( |
83509119 | 93 | (GDestroyNotify) bt_put); |
bc37ae52 | 94 | trace->streams = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 95 | (GDestroyNotify) bt_object_release); |
bc37ae52 | 96 | trace->stream_classes = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 97 | (GDestroyNotify) bt_object_release); |
7f800dc7 | 98 | if (!trace->clocks || !trace->stream_classes || !trace->streams) { |
83509119 | 99 | goto error; |
bc37ae52 JG |
100 | } |
101 | ||
102 | /* Generate a trace UUID */ | |
103 | uuid_generate(trace->uuid); | |
104 | if (init_trace_packet_header(trace)) { | |
83509119 | 105 | goto error; |
bc37ae52 JG |
106 | } |
107 | ||
7f800dc7 PP |
108 | /* Create the environment array object */ |
109 | trace->environment = bt_ctf_attributes_create(); | |
110 | if (!trace->environment) { | |
83509119 | 111 | goto error; |
7f800dc7 PP |
112 | } |
113 | ||
bc37ae52 JG |
114 | return trace; |
115 | ||
bc37ae52 | 116 | error: |
83509119 | 117 | BT_PUT(trace); |
bc37ae52 JG |
118 | return trace; |
119 | } | |
120 | ||
83509119 | 121 | void bt_ctf_trace_destroy(struct bt_object *obj) |
bc37ae52 JG |
122 | { |
123 | struct bt_ctf_trace *trace; | |
bc37ae52 | 124 | |
83509119 | 125 | trace = container_of(obj, struct bt_ctf_trace, base); |
bc37ae52 | 126 | if (trace->environment) { |
7f800dc7 | 127 | bt_ctf_attributes_destroy(trace->environment); |
bc37ae52 JG |
128 | } |
129 | ||
130 | if (trace->clocks) { | |
131 | g_ptr_array_free(trace->clocks, TRUE); | |
132 | } | |
133 | ||
134 | if (trace->streams) { | |
135 | g_ptr_array_free(trace->streams, TRUE); | |
136 | } | |
137 | ||
138 | if (trace->stream_classes) { | |
139 | g_ptr_array_free(trace->stream_classes, TRUE); | |
140 | } | |
141 | ||
83509119 | 142 | bt_put(trace->packet_header_type); |
bc37ae52 JG |
143 | g_free(trace); |
144 | } | |
145 | ||
7f800dc7 | 146 | int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace, |
dac5c838 | 147 | const char *name, struct bt_value *value) |
bc37ae52 | 148 | { |
bc37ae52 JG |
149 | int ret = 0; |
150 | ||
a0d12916 | 151 | if (!trace || !name || !value || |
7f800dc7 | 152 | bt_ctf_validate_identifier(name) || |
dac5c838 | 153 | !(bt_value_is_integer(value) || bt_value_is_string(value))) { |
bc37ae52 | 154 | ret = -1; |
7f800dc7 | 155 | goto end; |
bc37ae52 JG |
156 | } |
157 | ||
158 | if (strchr(name, ' ')) { | |
159 | ret = -1; | |
7f800dc7 | 160 | goto end; |
bc37ae52 JG |
161 | } |
162 | ||
a0d12916 JG |
163 | if (trace->frozen) { |
164 | /* | |
165 | * New environment fields may be added to a frozen trace, | |
166 | * but existing fields may not be changed. | |
167 | * | |
168 | * The object passed is frozen like all other attributes. | |
169 | */ | |
dac5c838 | 170 | struct bt_value *attribute = |
a0d12916 JG |
171 | bt_ctf_attributes_get_field_value_by_name( |
172 | trace->environment, name); | |
173 | ||
174 | if (attribute) { | |
83509119 | 175 | BT_PUT(attribute); |
a0d12916 JG |
176 | ret = -1; |
177 | goto end; | |
178 | } | |
179 | ||
dac5c838 | 180 | bt_value_freeze(value); |
a0d12916 JG |
181 | } |
182 | ||
7f800dc7 PP |
183 | ret = bt_ctf_attributes_set_field_value(trace->environment, name, |
184 | value); | |
bc37ae52 | 185 | |
7f800dc7 PP |
186 | end: |
187 | return ret; | |
188 | } | |
bc37ae52 | 189 | |
7f800dc7 PP |
190 | int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace, |
191 | const char *name, const char *value) | |
192 | { | |
193 | int ret = 0; | |
dac5c838 | 194 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 PP |
195 | |
196 | if (!trace || !name || !value) { | |
bc37ae52 | 197 | ret = -1; |
7f800dc7 | 198 | goto end; |
bc37ae52 JG |
199 | } |
200 | ||
a0d12916 JG |
201 | if (trace->frozen) { |
202 | /* | |
203 | * New environment fields may be added to a frozen trace, | |
204 | * but existing fields may not be changed. | |
205 | */ | |
dac5c838 | 206 | struct bt_value *attribute = |
a0d12916 JG |
207 | bt_ctf_attributes_get_field_value_by_name( |
208 | trace->environment, name); | |
209 | ||
210 | if (attribute) { | |
83509119 | 211 | BT_PUT(attribute); |
a0d12916 JG |
212 | ret = -1; |
213 | goto end; | |
214 | } | |
215 | } | |
216 | ||
dac5c838 | 217 | env_value_string_obj = bt_value_string_create_init(value); |
bc37ae52 | 218 | |
7f800dc7 PP |
219 | if (!env_value_string_obj) { |
220 | ret = -1; | |
221 | goto end; | |
bc37ae52 JG |
222 | } |
223 | ||
a0d12916 | 224 | if (trace->frozen) { |
dac5c838 | 225 | bt_value_freeze(env_value_string_obj); |
a0d12916 | 226 | } |
7f800dc7 PP |
227 | ret = bt_ctf_trace_set_environment_field(trace, name, |
228 | env_value_string_obj); | |
229 | ||
230 | end: | |
83509119 | 231 | BT_PUT(env_value_string_obj); |
3487c9f3 JG |
232 | return ret; |
233 | } | |
234 | ||
7f800dc7 PP |
235 | int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace, |
236 | const char *name, int64_t value) | |
3487c9f3 | 237 | { |
3487c9f3 | 238 | int ret = 0; |
dac5c838 | 239 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 JG |
240 | |
241 | if (!trace || !name) { | |
242 | ret = -1; | |
7f800dc7 | 243 | goto end; |
3487c9f3 JG |
244 | } |
245 | ||
a0d12916 JG |
246 | if (trace->frozen) { |
247 | /* | |
248 | * New environment fields may be added to a frozen trace, | |
249 | * but existing fields may not be changed. | |
250 | */ | |
dac5c838 | 251 | struct bt_value *attribute = |
a0d12916 JG |
252 | bt_ctf_attributes_get_field_value_by_name( |
253 | trace->environment, name); | |
254 | ||
255 | if (attribute) { | |
83509119 | 256 | BT_PUT(attribute); |
a0d12916 JG |
257 | ret = -1; |
258 | goto end; | |
259 | } | |
260 | } | |
261 | ||
dac5c838 | 262 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 263 | if (!env_value_integer_obj) { |
3487c9f3 | 264 | ret = -1; |
7f800dc7 | 265 | goto end; |
3487c9f3 JG |
266 | } |
267 | ||
7f800dc7 PP |
268 | ret = bt_ctf_trace_set_environment_field(trace, name, |
269 | env_value_integer_obj); | |
a0d12916 | 270 | if (trace->frozen) { |
dac5c838 | 271 | bt_value_freeze(env_value_integer_obj); |
a0d12916 | 272 | } |
7f800dc7 | 273 | end: |
83509119 | 274 | BT_PUT(env_value_integer_obj); |
bc37ae52 JG |
275 | return ret; |
276 | } | |
277 | ||
e6fa2160 JG |
278 | int bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace) |
279 | { | |
280 | int ret = 0; | |
281 | ||
282 | if (!trace) { | |
283 | ret = -1; | |
284 | goto end; | |
285 | } | |
286 | ||
7f800dc7 | 287 | ret = bt_ctf_attributes_get_count(trace->environment); |
e6fa2160 | 288 | |
e6fa2160 | 289 | end: |
7f800dc7 | 290 | return ret; |
e6fa2160 JG |
291 | } |
292 | ||
293 | const char * | |
294 | bt_ctf_trace_get_environment_field_name(struct bt_ctf_trace *trace, | |
295 | int index) | |
296 | { | |
e6fa2160 JG |
297 | const char *ret = NULL; |
298 | ||
7f800dc7 | 299 | if (!trace) { |
e6fa2160 JG |
300 | goto end; |
301 | } | |
302 | ||
7f800dc7 PP |
303 | ret = bt_ctf_attributes_get_field_name(trace->environment, index); |
304 | ||
e6fa2160 JG |
305 | end: |
306 | return ret; | |
307 | } | |
308 | ||
dac5c838 | 309 | struct bt_value *bt_ctf_trace_get_environment_field_value( |
7f800dc7 | 310 | struct bt_ctf_trace *trace, int index) |
e6fa2160 | 311 | { |
dac5c838 | 312 | struct bt_value *ret = NULL; |
e6fa2160 | 313 | |
7f800dc7 | 314 | if (!trace) { |
e6fa2160 JG |
315 | goto end; |
316 | } | |
317 | ||
7f800dc7 PP |
318 | ret = bt_ctf_attributes_get_field_value(trace->environment, index); |
319 | ||
e6fa2160 JG |
320 | end: |
321 | return ret; | |
322 | } | |
323 | ||
dac5c838 | 324 | struct bt_value *bt_ctf_trace_get_environment_field_value_by_name( |
7f800dc7 | 325 | struct bt_ctf_trace *trace, const char *name) |
e6fa2160 | 326 | { |
dac5c838 | 327 | struct bt_value *ret = NULL; |
e6fa2160 | 328 | |
7f800dc7 | 329 | if (!trace || !name) { |
e6fa2160 JG |
330 | goto end; |
331 | } | |
332 | ||
7f800dc7 PP |
333 | ret = bt_ctf_attributes_get_field_value_by_name(trace->environment, |
334 | name); | |
335 | ||
e6fa2160 JG |
336 | end: |
337 | return ret; | |
338 | } | |
339 | ||
bc37ae52 JG |
340 | int bt_ctf_trace_add_clock(struct bt_ctf_trace *trace, |
341 | struct bt_ctf_clock *clock) | |
342 | { | |
343 | int ret = 0; | |
344 | struct search_query query = { .value = clock, .found = 0 }; | |
345 | ||
346 | if (!trace || !clock) { | |
347 | ret = -1; | |
348 | goto end; | |
349 | } | |
350 | ||
351 | /* Check for duplicate clocks */ | |
352 | g_ptr_array_foreach(trace->clocks, value_exists, &query); | |
353 | if (query.found) { | |
354 | ret = -1; | |
355 | goto end; | |
356 | } | |
357 | ||
83509119 | 358 | bt_get(clock); |
bc37ae52 | 359 | g_ptr_array_add(trace->clocks, clock); |
6474e016 | 360 | |
cfeb617e PP |
361 | if (!trace->is_created_by_writer) { |
362 | /* | |
363 | * Non-writer mode trace: disable clock value functions | |
364 | * because clock values are per-stream in that | |
365 | * situation. | |
366 | */ | |
367 | clock->has_value = 0; | |
368 | } | |
369 | ||
6474e016 PP |
370 | if (trace->frozen) { |
371 | bt_ctf_clock_freeze(clock); | |
372 | } | |
bc37ae52 JG |
373 | end: |
374 | return ret; | |
375 | } | |
376 | ||
884cd6c3 JG |
377 | int bt_ctf_trace_get_clock_count(struct bt_ctf_trace *trace) |
378 | { | |
379 | int ret = -1; | |
380 | ||
381 | if (!trace) { | |
382 | goto end; | |
383 | } | |
384 | ||
385 | ret = trace->clocks->len; | |
386 | end: | |
387 | return ret; | |
388 | } | |
389 | ||
390 | struct bt_ctf_clock *bt_ctf_trace_get_clock(struct bt_ctf_trace *trace, | |
391 | int index) | |
392 | { | |
393 | struct bt_ctf_clock *clock = NULL; | |
394 | ||
395 | if (!trace || index < 0 || index >= trace->clocks->len) { | |
396 | goto end; | |
397 | } | |
398 | ||
399 | clock = g_ptr_array_index(trace->clocks, index); | |
83509119 | 400 | bt_get(clock); |
884cd6c3 JG |
401 | end: |
402 | return clock; | |
403 | } | |
404 | ||
ef0c4a15 JG |
405 | int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace, |
406 | struct bt_ctf_stream_class *stream_class) | |
407 | { | |
408 | int ret, i; | |
409 | int64_t stream_id; | |
09840de5 PP |
410 | struct bt_ctf_validation_output trace_sc_validation_output = { 0 }; |
411 | struct bt_ctf_validation_output *ec_validation_outputs = NULL; | |
412 | const enum bt_ctf_validation_flag trace_sc_validation_flags = | |
413 | BT_CTF_VALIDATION_FLAG_TRACE | | |
414 | BT_CTF_VALIDATION_FLAG_STREAM; | |
415 | const enum bt_ctf_validation_flag ec_validation_flags = | |
416 | BT_CTF_VALIDATION_FLAG_EVENT; | |
417 | struct bt_ctf_field_type *packet_header_type = NULL; | |
418 | struct bt_ctf_field_type *packet_context_type = NULL; | |
419 | struct bt_ctf_field_type *event_header_type = NULL; | |
420 | struct bt_ctf_field_type *stream_event_ctx_type = NULL; | |
421 | int event_class_count; | |
fe13b5c0 | 422 | struct bt_ctf_clock *clock_to_add_to_trace = NULL; |
ef0c4a15 JG |
423 | |
424 | if (!trace || !stream_class) { | |
425 | ret = -1; | |
426 | goto end; | |
427 | } | |
428 | ||
09840de5 PP |
429 | event_class_count = |
430 | bt_ctf_stream_class_get_event_class_count(stream_class); | |
431 | assert(event_class_count >= 0); | |
432 | ||
433 | /* Check for duplicate stream classes */ | |
ef0c4a15 JG |
434 | for (i = 0; i < trace->stream_classes->len; i++) { |
435 | if (trace->stream_classes->pdata[i] == stream_class) { | |
09840de5 | 436 | /* Stream class already registered to the trace */ |
ef0c4a15 JG |
437 | ret = -1; |
438 | goto end; | |
439 | } | |
440 | } | |
441 | ||
fe13b5c0 PP |
442 | /* |
443 | * If the stream class has a clock, register this clock to this | |
444 | * trace if not already done. | |
445 | */ | |
446 | if (stream_class->clock) { | |
447 | const char *clock_name = | |
448 | bt_ctf_clock_get_name(stream_class->clock); | |
449 | struct bt_ctf_clock *trace_clock; | |
450 | ||
451 | assert(clock_name); | |
452 | trace_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name); | |
453 | bt_put(trace_clock); | |
454 | if (trace_clock) { | |
455 | if (trace_clock != stream_class->clock) { | |
456 | /* | |
457 | * Error: two different clocks in the | |
458 | * trace would share the same name. | |
459 | */ | |
460 | ret = -1; | |
461 | goto end; | |
462 | } | |
463 | } else { | |
464 | clock_to_add_to_trace = bt_get(stream_class->clock); | |
465 | } | |
466 | } | |
467 | ||
09840de5 PP |
468 | /* |
469 | * We're about to freeze both the trace and the stream class. | |
470 | * Also, each event class contained in this stream class are | |
471 | * already frozen. | |
472 | * | |
473 | * This trace, this stream class, and all its event classes | |
474 | * should be valid at this point. | |
475 | * | |
476 | * Validate trace and stream class first, then each event | |
477 | * class of this stream class can be validated individually. | |
478 | */ | |
479 | packet_header_type = | |
480 | bt_ctf_trace_get_packet_header_type(trace); | |
481 | packet_context_type = | |
482 | bt_ctf_stream_class_get_packet_context_type(stream_class); | |
483 | event_header_type = | |
484 | bt_ctf_stream_class_get_event_header_type(stream_class); | |
485 | stream_event_ctx_type = | |
486 | bt_ctf_stream_class_get_event_context_type(stream_class); | |
487 | ret = bt_ctf_validate_class_types(trace->environment, | |
488 | packet_header_type, packet_context_type, event_header_type, | |
489 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
490 | stream_class->valid, 1, &trace_sc_validation_output, | |
491 | trace_sc_validation_flags); | |
492 | BT_PUT(packet_header_type); | |
493 | BT_PUT(packet_context_type); | |
494 | BT_PUT(event_header_type); | |
495 | BT_PUT(stream_event_ctx_type); | |
496 | ||
2bd7f864 | 497 | if (ret) { |
09840de5 PP |
498 | /* |
499 | * This means something went wrong during the validation | |
500 | * process, not that the objects are invalid. | |
501 | */ | |
2bd7f864 JG |
502 | goto end; |
503 | } | |
504 | ||
09840de5 PP |
505 | if ((trace_sc_validation_output.valid_flags & |
506 | trace_sc_validation_flags) != | |
507 | trace_sc_validation_flags) { | |
508 | /* Invalid trace/stream class */ | |
509 | ret = -1; | |
510 | goto end; | |
511 | } | |
512 | ||
513 | if (event_class_count > 0) { | |
514 | ec_validation_outputs = g_new0(struct bt_ctf_validation_output, | |
515 | event_class_count); | |
516 | if (!ec_validation_outputs) { | |
517 | ret = -1; | |
518 | goto end; | |
519 | } | |
520 | } | |
521 | ||
522 | /* Validate each event class individually */ | |
6474e016 | 523 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
524 | struct bt_ctf_event_class *event_class = |
525 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
526 | struct bt_ctf_field_type *event_context_type = NULL; | |
527 | struct bt_ctf_field_type *event_payload_type = NULL; | |
528 | ||
529 | event_context_type = | |
530 | bt_ctf_event_class_get_context_type(event_class); | |
531 | event_payload_type = | |
532 | bt_ctf_event_class_get_payload_type(event_class); | |
533 | ||
534 | /* | |
535 | * It is important to use the field types returned by | |
536 | * the previous trace and stream class validation here | |
537 | * because copies could have been made. | |
538 | */ | |
539 | ret = bt_ctf_validate_class_types(trace->environment, | |
540 | trace_sc_validation_output.packet_header_type, | |
541 | trace_sc_validation_output.packet_context_type, | |
542 | trace_sc_validation_output.event_header_type, | |
543 | trace_sc_validation_output.stream_event_ctx_type, | |
544 | event_context_type, event_payload_type, | |
545 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
546 | ec_validation_flags); | |
547 | BT_PUT(event_context_type); | |
548 | BT_PUT(event_payload_type); | |
549 | BT_PUT(event_class); | |
550 | ||
551 | if (ret) { | |
552 | goto end; | |
553 | } | |
554 | ||
555 | if ((ec_validation_outputs[i].valid_flags & | |
556 | ec_validation_flags) != ec_validation_flags) { | |
557 | /* Invalid event class */ | |
558 | ret = -1; | |
559 | goto end; | |
560 | } | |
561 | } | |
562 | ||
ef0c4a15 JG |
563 | stream_id = bt_ctf_stream_class_get_id(stream_class); |
564 | if (stream_id < 0) { | |
565 | stream_id = trace->next_stream_id++; | |
566 | ||
567 | /* Try to assign a new stream id */ | |
568 | for (i = 0; i < trace->stream_classes->len; i++) { | |
569 | if (stream_id == bt_ctf_stream_class_get_id( | |
570 | trace->stream_classes->pdata[i])) { | |
571 | /* Duplicate stream id found */ | |
572 | ret = -1; | |
573 | goto end; | |
574 | } | |
575 | } | |
576 | ||
0ddffae5 JG |
577 | if (bt_ctf_stream_class_set_id_no_check(stream_class, |
578 | stream_id)) { | |
ef0c4a15 JG |
579 | /* TODO Should retry with a different stream id */ |
580 | ret = -1; | |
581 | goto end; | |
582 | } | |
583 | } | |
584 | ||
e6a8e8e4 | 585 | bt_object_set_parent(stream_class, trace); |
ef0c4a15 JG |
586 | g_ptr_array_add(trace->stream_classes, stream_class); |
587 | ||
588 | /* | |
09840de5 PP |
589 | * At this point we know that the function will be successful. |
590 | * Therefore we can replace the trace and stream class field | |
591 | * types with what's in their validation output structure and | |
592 | * mark them as valid. We can also replace the field types of | |
593 | * all the event classes of the stream class and mark them as | |
594 | * valid. | |
595 | */ | |
596 | bt_ctf_validation_replace_types(trace, stream_class, NULL, | |
597 | &trace_sc_validation_output, trace_sc_validation_flags); | |
598 | trace->valid = 1; | |
599 | stream_class->valid = 1; | |
600 | ||
601 | /* | |
602 | * Put what was not moved in bt_ctf_validation_replace_types(). | |
603 | */ | |
604 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
605 | ||
6474e016 | 606 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
607 | struct bt_ctf_event_class *event_class = |
608 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
609 | ||
610 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
611 | &ec_validation_outputs[i], ec_validation_flags); | |
612 | event_class->valid = 1; | |
613 | BT_PUT(event_class); | |
614 | ||
615 | /* | |
616 | * Put what was not moved in | |
617 | * bt_ctf_validation_replace_types(). | |
618 | */ | |
619 | bt_ctf_validation_output_put_types(&ec_validation_outputs[i]); | |
620 | } | |
621 | ||
622 | /* | |
ef0c4a15 JG |
623 | * All field type byte orders set as "native" byte ordering can now be |
624 | * safely set to trace's own endianness, including the stream class'. | |
625 | */ | |
626 | bt_ctf_field_type_set_native_byte_order(trace->packet_header_type, | |
627 | trace->byte_order); | |
445c3471 | 628 | bt_ctf_stream_class_set_byte_order(stream_class, trace->byte_order); |
ef0c4a15 | 629 | |
fe13b5c0 PP |
630 | /* Add stream class's clock if it exists */ |
631 | if (clock_to_add_to_trace) { | |
632 | int add_clock_ret = | |
633 | bt_ctf_trace_add_clock(trace, clock_to_add_to_trace); | |
634 | assert(add_clock_ret == 0); | |
635 | } | |
636 | ||
09840de5 PP |
637 | /* |
638 | * Freeze the trace and the stream class. | |
639 | */ | |
f67f3a6e | 640 | bt_ctf_stream_class_freeze(stream_class); |
09840de5 PP |
641 | bt_ctf_trace_freeze(trace); |
642 | ||
ef0c4a15 | 643 | end: |
d3814b54 | 644 | if (ret) { |
e6a8e8e4 | 645 | bt_object_set_parent(stream_class, NULL); |
09840de5 PP |
646 | |
647 | if (ec_validation_outputs) { | |
6474e016 | 648 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
649 | bt_ctf_validation_output_put_types( |
650 | &ec_validation_outputs[i]); | |
651 | } | |
652 | } | |
d3814b54 | 653 | } |
09840de5 PP |
654 | |
655 | g_free(ec_validation_outputs); | |
656 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
fe13b5c0 | 657 | BT_PUT(clock_to_add_to_trace); |
09840de5 PP |
658 | assert(!packet_header_type); |
659 | assert(!packet_context_type); | |
660 | assert(!event_header_type); | |
661 | assert(!stream_event_ctx_type); | |
662 | ||
ef0c4a15 JG |
663 | return ret; |
664 | } | |
665 | ||
666 | int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace) | |
667 | { | |
668 | int ret; | |
669 | ||
670 | if (!trace) { | |
671 | ret = -1; | |
672 | goto end; | |
673 | } | |
674 | ||
675 | ret = trace->stream_classes->len; | |
676 | end: | |
677 | return ret; | |
678 | } | |
679 | ||
680 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class( | |
681 | struct bt_ctf_trace *trace, int index) | |
682 | { | |
683 | struct bt_ctf_stream_class *stream_class = NULL; | |
684 | ||
685 | if (!trace || index < 0 || index >= trace->stream_classes->len) { | |
686 | goto end; | |
687 | } | |
688 | ||
689 | stream_class = g_ptr_array_index(trace->stream_classes, index); | |
83509119 | 690 | bt_get(stream_class); |
ef0c4a15 JG |
691 | end: |
692 | return stream_class; | |
693 | } | |
694 | ||
4841ccc1 PP |
695 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id( |
696 | struct bt_ctf_trace *trace, uint32_t id) | |
697 | { | |
698 | int i; | |
699 | struct bt_ctf_stream_class *stream_class = NULL; | |
700 | ||
701 | if (!trace) { | |
702 | goto end; | |
703 | } | |
704 | ||
6474e016 | 705 | for (i = 0; i < trace->stream_classes->len; i++) { |
4841ccc1 PP |
706 | struct bt_ctf_stream_class *stream_class_candidate; |
707 | ||
708 | stream_class_candidate = | |
709 | g_ptr_array_index(trace->stream_classes, i); | |
710 | ||
711 | if (bt_ctf_stream_class_get_id(stream_class_candidate) == | |
712 | (int64_t) id) { | |
713 | stream_class = stream_class_candidate; | |
83509119 | 714 | bt_get(stream_class); |
4841ccc1 PP |
715 | goto end; |
716 | } | |
717 | } | |
718 | ||
719 | end: | |
720 | return stream_class; | |
721 | } | |
722 | ||
7e4347a3 PP |
723 | struct bt_ctf_clock *bt_ctf_trace_get_clock_by_name( |
724 | struct bt_ctf_trace *trace, const char *name) | |
725 | { | |
726 | size_t i; | |
727 | struct bt_ctf_clock *clock = NULL; | |
728 | ||
729 | if (!trace || !name) { | |
730 | goto end; | |
731 | } | |
732 | ||
6474e016 | 733 | for (i = 0; i < trace->clocks->len; i++) { |
7e4347a3 PP |
734 | struct bt_ctf_clock *cur_clk = |
735 | g_ptr_array_index(trace->clocks, i); | |
736 | const char *cur_clk_name = bt_ctf_clock_get_name(cur_clk); | |
737 | ||
738 | if (!cur_clk_name) { | |
739 | goto end; | |
740 | } | |
741 | ||
742 | if (!strcmp(cur_clk_name, name)) { | |
743 | clock = cur_clk; | |
83509119 | 744 | bt_get(clock); |
7e4347a3 PP |
745 | goto end; |
746 | } | |
747 | } | |
748 | ||
749 | end: | |
750 | return clock; | |
751 | } | |
752 | ||
bc37ae52 JG |
753 | BT_HIDDEN |
754 | const char *get_byte_order_string(int byte_order) | |
755 | { | |
756 | const char *string; | |
757 | ||
758 | switch (byte_order) { | |
759 | case LITTLE_ENDIAN: | |
760 | string = "le"; | |
761 | break; | |
762 | case BIG_ENDIAN: | |
763 | string = "be"; | |
764 | break; | |
765 | default: | |
766 | string = "unknown"; | |
767 | break; | |
768 | } | |
769 | ||
770 | return string; | |
771 | } | |
772 | ||
773 | static | |
774 | int append_trace_metadata(struct bt_ctf_trace *trace, | |
775 | struct metadata_context *context) | |
776 | { | |
777 | unsigned char *uuid = trace->uuid; | |
778 | int ret; | |
779 | ||
780 | g_string_append(context->string, "trace {\n"); | |
781 | ||
782 | g_string_append(context->string, "\tmajor = 1;\n"); | |
783 | g_string_append(context->string, "\tminor = 8;\n"); | |
784 | ||
785 | g_string_append_printf(context->string, | |
786 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
787 | uuid[0], uuid[1], uuid[2], uuid[3], | |
788 | uuid[4], uuid[5], uuid[6], uuid[7], | |
789 | uuid[8], uuid[9], uuid[10], uuid[11], | |
790 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
791 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", | |
792 | get_byte_order_string(trace->byte_order)); | |
793 | ||
794 | g_string_append(context->string, "\tpacket.header := "); | |
795 | context->current_indentation_level++; | |
796 | g_string_assign(context->field_name, ""); | |
d246b111 | 797 | ret = bt_ctf_field_type_serialize(trace->packet_header_type, |
bc37ae52 JG |
798 | context); |
799 | if (ret) { | |
800 | goto end; | |
801 | } | |
802 | context->current_indentation_level--; | |
803 | ||
804 | g_string_append(context->string, ";\n};\n\n"); | |
805 | end: | |
806 | return ret; | |
807 | } | |
808 | ||
bc37ae52 JG |
809 | static |
810 | void append_env_metadata(struct bt_ctf_trace *trace, | |
811 | struct metadata_context *context) | |
812 | { | |
7f800dc7 PP |
813 | int i; |
814 | int env_size; | |
815 | ||
816 | env_size = bt_ctf_attributes_get_count(trace->environment); | |
817 | ||
818 | if (env_size <= 0) { | |
bc37ae52 JG |
819 | return; |
820 | } | |
821 | ||
822 | g_string_append(context->string, "env {\n"); | |
7f800dc7 | 823 | |
6474e016 | 824 | for (i = 0; i < env_size; i++) { |
dac5c838 | 825 | struct bt_value *env_field_value_obj = NULL; |
7f800dc7 | 826 | const char *entry_name; |
7f800dc7 PP |
827 | |
828 | entry_name = bt_ctf_attributes_get_field_name( | |
829 | trace->environment, i); | |
830 | env_field_value_obj = bt_ctf_attributes_get_field_value( | |
831 | trace->environment, i); | |
832 | ||
833 | if (!entry_name || !env_field_value_obj) { | |
834 | goto loop_next; | |
835 | } | |
836 | ||
dac5c838 PP |
837 | switch (bt_value_get_type(env_field_value_obj)) { |
838 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
839 | { |
840 | int ret; | |
841 | int64_t int_value; | |
842 | ||
dac5c838 | 843 | ret = bt_value_integer_get(env_field_value_obj, |
7f800dc7 PP |
844 | &int_value); |
845 | ||
846 | if (ret) { | |
847 | goto loop_next; | |
848 | } | |
849 | ||
850 | g_string_append_printf(context->string, | |
851 | "\t%s = %" PRId64 ";\n", entry_name, | |
852 | int_value); | |
853 | break; | |
b8248cc0 | 854 | } |
dac5c838 | 855 | case BT_VALUE_TYPE_STRING: |
7f800dc7 PP |
856 | { |
857 | int ret; | |
858 | const char *str_value; | |
859 | char *escaped_str = NULL; | |
860 | ||
dac5c838 | 861 | ret = bt_value_string_get(env_field_value_obj, |
7f800dc7 PP |
862 | &str_value); |
863 | ||
864 | if (ret) { | |
865 | goto loop_next; | |
866 | } | |
867 | ||
868 | escaped_str = g_strescape(str_value, NULL); | |
869 | ||
870 | if (!escaped_str) { | |
871 | goto loop_next; | |
872 | } | |
873 | ||
874 | g_string_append_printf(context->string, | |
875 | "\t%s = \"%s\";\n", entry_name, escaped_str); | |
876 | free(escaped_str); | |
877 | break; | |
878 | } | |
879 | ||
880 | default: | |
881 | goto loop_next; | |
882 | } | |
883 | ||
884 | loop_next: | |
83509119 | 885 | BT_PUT(env_field_value_obj); |
7f800dc7 PP |
886 | } |
887 | ||
bc37ae52 JG |
888 | g_string_append(context->string, "};\n\n"); |
889 | } | |
890 | ||
891 | char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace) | |
892 | { | |
893 | char *metadata = NULL; | |
894 | struct metadata_context *context = NULL; | |
895 | int err = 0; | |
896 | size_t i; | |
897 | ||
898 | if (!trace) { | |
899 | goto end; | |
900 | } | |
901 | ||
902 | context = g_new0(struct metadata_context, 1); | |
903 | if (!context) { | |
904 | goto end; | |
905 | } | |
906 | ||
907 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
908 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
909 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
910 | if (append_trace_metadata(trace, context)) { | |
911 | goto error; | |
912 | } | |
913 | append_env_metadata(trace, context); | |
914 | g_ptr_array_foreach(trace->clocks, | |
915 | (GFunc)bt_ctf_clock_serialize, context); | |
916 | ||
917 | for (i = 0; i < trace->stream_classes->len; i++) { | |
918 | err = bt_ctf_stream_class_serialize( | |
919 | trace->stream_classes->pdata[i], context); | |
920 | if (err) { | |
921 | goto error; | |
922 | } | |
923 | } | |
924 | ||
925 | metadata = context->string->str; | |
926 | error: | |
927 | g_string_free(context->string, err ? TRUE : FALSE); | |
928 | g_string_free(context->field_name, TRUE); | |
929 | g_free(context); | |
930 | end: | |
931 | return metadata; | |
932 | } | |
933 | ||
4ed90fb3 JG |
934 | enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace) |
935 | { | |
936 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
937 | ||
938 | if (!trace) { | |
939 | goto end; | |
940 | } | |
941 | ||
942 | switch (trace->byte_order) { | |
943 | case BIG_ENDIAN: | |
944 | ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN; | |
945 | break; | |
946 | case LITTLE_ENDIAN: | |
947 | ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; | |
948 | break; | |
949 | default: | |
950 | break; | |
951 | } | |
952 | end: | |
953 | return ret; | |
954 | } | |
955 | ||
bc37ae52 JG |
956 | int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace, |
957 | enum bt_ctf_byte_order byte_order) | |
958 | { | |
959 | int ret = 0; | |
960 | int internal_byte_order; | |
961 | ||
962 | if (!trace || trace->frozen) { | |
963 | ret = -1; | |
964 | goto end; | |
965 | } | |
966 | ||
967 | switch (byte_order) { | |
968 | case BT_CTF_BYTE_ORDER_NATIVE: | |
c35a1669 JG |
969 | /* |
970 | * This doesn't make sense since the CTF specification defines | |
971 | * the "native" byte order as "the byte order described in the | |
972 | * trace description". However, this behavior had been | |
973 | * implemented as part of v1.2 and is kept to maintain | |
974 | * compatibility. | |
975 | * | |
976 | * This may be changed on a major version bump only. | |
977 | */ | |
978 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ? | |
bc37ae52 JG |
979 | LITTLE_ENDIAN : BIG_ENDIAN; |
980 | break; | |
981 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
982 | internal_byte_order = LITTLE_ENDIAN; | |
983 | break; | |
984 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
985 | case BT_CTF_BYTE_ORDER_NETWORK: | |
986 | internal_byte_order = BIG_ENDIAN; | |
987 | break; | |
988 | default: | |
989 | ret = -1; | |
990 | goto end; | |
991 | } | |
992 | ||
993 | trace->byte_order = internal_byte_order; | |
bc37ae52 JG |
994 | end: |
995 | return ret; | |
996 | } | |
997 | ||
d246b111 JG |
998 | struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type( |
999 | struct bt_ctf_trace *trace) | |
1000 | { | |
1001 | struct bt_ctf_field_type *field_type = NULL; | |
1002 | ||
1003 | if (!trace) { | |
1004 | goto end; | |
1005 | } | |
1006 | ||
83509119 | 1007 | bt_get(trace->packet_header_type); |
d246b111 JG |
1008 | field_type = trace->packet_header_type; |
1009 | end: | |
1010 | return field_type; | |
1011 | } | |
1012 | ||
1013 | int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace, | |
1014 | struct bt_ctf_field_type *packet_header_type) | |
1015 | { | |
1016 | int ret = 0; | |
1017 | ||
1018 | if (!trace || !packet_header_type || trace->frozen) { | |
1019 | ret = -1; | |
1020 | goto end; | |
1021 | } | |
1022 | ||
1023 | /* packet_header_type must be a structure */ | |
1024 | if (bt_ctf_field_type_get_type_id(packet_header_type) != | |
9a19a512 | 1025 | BT_CTF_TYPE_ID_STRUCT) { |
d246b111 JG |
1026 | ret = -1; |
1027 | goto end; | |
1028 | } | |
1029 | ||
83509119 JG |
1030 | bt_get(packet_header_type); |
1031 | bt_put(trace->packet_header_type); | |
d246b111 JG |
1032 | trace->packet_header_type = packet_header_type; |
1033 | end: | |
1034 | return ret; | |
1035 | } | |
1036 | ||
8bf65fbd JG |
1037 | static |
1038 | int get_stream_class_count(void *element) | |
1039 | { | |
1040 | return bt_ctf_trace_get_stream_class_count( | |
1041 | (struct bt_ctf_trace *) element); | |
1042 | } | |
1043 | ||
1044 | static | |
1045 | void *get_stream_class(void *element, int i) | |
1046 | { | |
1047 | return bt_ctf_trace_get_stream_class( | |
1048 | (struct bt_ctf_trace *) element, i); | |
1049 | } | |
1050 | ||
1051 | static | |
1052 | int visit_stream_class(void *element, bt_ctf_ir_visitor visitor,void *data) | |
1053 | { | |
1054 | return bt_ctf_stream_class_visit(element, visitor, data); | |
1055 | } | |
1056 | ||
1057 | int bt_ctf_trace_visit(struct bt_ctf_trace *trace, | |
1058 | bt_ctf_ir_visitor visitor, void *data) | |
1059 | { | |
1060 | int ret; | |
1061 | struct bt_ctf_ir_element element = | |
1062 | { .element = trace, .type = BT_CTF_IR_TYPE_TRACE }; | |
1063 | ||
1064 | if (!trace || !visitor) { | |
1065 | ret = -1; | |
1066 | goto end; | |
1067 | } | |
1068 | ||
1069 | ret = visitor_helper(&element, get_stream_class_count, | |
1070 | get_stream_class, visit_stream_class, visitor, data); | |
1071 | end: | |
1072 | return ret; | |
1073 | } | |
1074 | ||
1075 | static | |
1076 | int ir_visitor(struct bt_ctf_ir_element *element, void *data) | |
1077 | { | |
1078 | int ret = 0; | |
1079 | ||
1080 | switch (element->type) { | |
1081 | case BT_CTF_IR_TYPE_TRACE: | |
1082 | { | |
1083 | break; | |
1084 | } | |
1085 | case BT_CTF_IR_TYPE_STREAM_CLASS: | |
1086 | { | |
1087 | break; | |
1088 | } | |
1089 | case BT_CTF_IR_TYPE_EVENT_CLASS: | |
1090 | { | |
1091 | break; | |
1092 | } | |
1093 | default: | |
1094 | assert(0); | |
1095 | ret = -1; | |
1096 | goto end; | |
1097 | } | |
1098 | end: | |
1099 | return ret; | |
1100 | } | |
1101 | ||
2204c381 JG |
1102 | int bt_ctf_trace_add_notification_handler_cb(struct bt_ctf_trace *trace, |
1103 | bt_ctf_notification_cb handler, void *handler_data) | |
1104 | { | |
1105 | int ret = 0; | |
1106 | struct notification_handler *handler_wrapper = | |
1107 | g_new0(struct notification_handler, 1); | |
1108 | ||
1109 | if (!trace || !handler || !handler_wrapper) { | |
1110 | ret = -1; | |
1111 | goto error; | |
1112 | } | |
1113 | ||
1114 | handler_wrapper->func = handler; | |
1115 | handler_wrapper->data = handler_data; | |
8bf65fbd JG |
1116 | |
1117 | /* Emit notifications describing the current schema. */ | |
1118 | ret = bt_ctf_trace_visit(trace, ir_visitor, handler_wrapper); | |
1119 | if (ret) { | |
1120 | goto error; | |
1121 | } | |
1122 | ||
2204c381 JG |
1123 | g_ptr_array_add(trace->notification_handlers, handler_wrapper); |
1124 | return ret; | |
1125 | error: | |
1126 | g_free(handler_wrapper); | |
1127 | return ret; | |
1128 | } | |
1129 | ||
bc37ae52 JG |
1130 | BT_HIDDEN |
1131 | struct bt_ctf_field_type *get_field_type(enum field_type_alias alias) | |
1132 | { | |
a25e0d14 | 1133 | int ret; |
bc37ae52 | 1134 | unsigned int alignment, size; |
8bdcb82e | 1135 | struct bt_ctf_field_type *field_type = NULL; |
bc37ae52 JG |
1136 | |
1137 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
8bdcb82e | 1138 | goto end; |
bc37ae52 JG |
1139 | } |
1140 | ||
1141 | alignment = field_type_aliases_alignments[alias]; | |
1142 | size = field_type_aliases_sizes[alias]; | |
1143 | field_type = bt_ctf_field_type_integer_create(size); | |
a25e0d14 JG |
1144 | ret = bt_ctf_field_type_set_alignment(field_type, alignment); |
1145 | if (ret) { | |
1146 | BT_PUT(field_type); | |
1147 | } | |
8bdcb82e | 1148 | end: |
bc37ae52 JG |
1149 | return field_type; |
1150 | } | |
1151 | ||
f67f3a6e | 1152 | static |
09840de5 | 1153 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace) |
f67f3a6e | 1154 | { |
6474e016 PP |
1155 | int i; |
1156 | ||
09840de5 | 1157 | bt_ctf_field_type_freeze(trace->packet_header_type); |
f67f3a6e | 1158 | bt_ctf_attributes_freeze(trace->environment); |
6474e016 PP |
1159 | |
1160 | for (i = 0; i < trace->clocks->len; i++) { | |
1161 | struct bt_ctf_clock *clock = | |
1162 | g_ptr_array_index(trace->clocks, i); | |
1163 | ||
1164 | bt_ctf_clock_freeze(clock); | |
1165 | } | |
1166 | ||
f67f3a6e JG |
1167 | trace->frozen = 1; |
1168 | } | |
1169 | ||
bc37ae52 JG |
1170 | static |
1171 | int init_trace_packet_header(struct bt_ctf_trace *trace) | |
1172 | { | |
bc37ae52 | 1173 | int ret = 0; |
d246b111 | 1174 | struct bt_ctf_field *magic = NULL, *uuid_array = NULL; |
bc37ae52 JG |
1175 | struct bt_ctf_field_type *_uint32_t = |
1176 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
1177 | struct bt_ctf_field_type *_uint8_t = | |
1178 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1179 | struct bt_ctf_field_type *trace_packet_header_type = | |
1180 | bt_ctf_field_type_structure_create(); | |
1181 | struct bt_ctf_field_type *uuid_array_type = | |
1182 | bt_ctf_field_type_array_create(_uint8_t, 16); | |
1183 | ||
1184 | if (!trace_packet_header_type || !uuid_array_type) { | |
1185 | ret = -1; | |
1186 | goto end; | |
1187 | } | |
1188 | ||
bc37ae52 JG |
1189 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, |
1190 | _uint32_t, "magic"); | |
1191 | if (ret) { | |
1192 | goto end; | |
1193 | } | |
1194 | ||
1195 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1196 | uuid_array_type, "uuid"); | |
1197 | if (ret) { | |
1198 | goto end; | |
1199 | } | |
1200 | ||
1201 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1202 | _uint32_t, "stream_id"); | |
1203 | if (ret) { | |
1204 | goto end; | |
1205 | } | |
1206 | ||
662e778c JG |
1207 | ret = bt_ctf_trace_set_packet_header_type(trace, |
1208 | trace_packet_header_type); | |
1209 | if (ret) { | |
1210 | goto end; | |
1211 | } | |
bc37ae52 | 1212 | end: |
83509119 JG |
1213 | bt_put(uuid_array_type); |
1214 | bt_put(_uint32_t); | |
1215 | bt_put(_uint8_t); | |
1216 | bt_put(magic); | |
1217 | bt_put(uuid_array); | |
1218 | bt_put(trace_packet_header_type); | |
bc37ae52 JG |
1219 | return ret; |
1220 | } |