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 | ||
50ad4244 JG |
51 | struct listener_wrapper { |
52 | bt_ctf_listener_cb listener; | |
2204c381 JG |
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 | ||
9b888ff3 JG |
114 | trace->listeners = g_ptr_array_new_with_free_func( |
115 | (GDestroyNotify) g_free); | |
116 | if (!trace->listeners) { | |
117 | goto error; | |
118 | } | |
119 | ||
bc37ae52 JG |
120 | return trace; |
121 | ||
bc37ae52 | 122 | error: |
83509119 | 123 | BT_PUT(trace); |
bc37ae52 JG |
124 | return trace; |
125 | } | |
126 | ||
83509119 | 127 | void bt_ctf_trace_destroy(struct bt_object *obj) |
bc37ae52 JG |
128 | { |
129 | struct bt_ctf_trace *trace; | |
bc37ae52 | 130 | |
83509119 | 131 | trace = container_of(obj, struct bt_ctf_trace, base); |
bc37ae52 | 132 | if (trace->environment) { |
7f800dc7 | 133 | bt_ctf_attributes_destroy(trace->environment); |
bc37ae52 JG |
134 | } |
135 | ||
136 | if (trace->clocks) { | |
137 | g_ptr_array_free(trace->clocks, TRUE); | |
138 | } | |
139 | ||
140 | if (trace->streams) { | |
141 | g_ptr_array_free(trace->streams, TRUE); | |
142 | } | |
143 | ||
144 | if (trace->stream_classes) { | |
145 | g_ptr_array_free(trace->stream_classes, TRUE); | |
146 | } | |
147 | ||
9b888ff3 JG |
148 | if (trace->listeners) { |
149 | g_ptr_array_free(trace->listeners, TRUE); | |
150 | } | |
151 | ||
83509119 | 152 | bt_put(trace->packet_header_type); |
bc37ae52 JG |
153 | g_free(trace); |
154 | } | |
155 | ||
7f800dc7 | 156 | int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace, |
dac5c838 | 157 | const char *name, struct bt_value *value) |
bc37ae52 | 158 | { |
bc37ae52 JG |
159 | int ret = 0; |
160 | ||
a0d12916 | 161 | if (!trace || !name || !value || |
7f800dc7 | 162 | bt_ctf_validate_identifier(name) || |
dac5c838 | 163 | !(bt_value_is_integer(value) || bt_value_is_string(value))) { |
bc37ae52 | 164 | ret = -1; |
7f800dc7 | 165 | goto end; |
bc37ae52 JG |
166 | } |
167 | ||
168 | if (strchr(name, ' ')) { | |
169 | ret = -1; | |
7f800dc7 | 170 | goto end; |
bc37ae52 JG |
171 | } |
172 | ||
a0d12916 JG |
173 | if (trace->frozen) { |
174 | /* | |
175 | * New environment fields may be added to a frozen trace, | |
176 | * but existing fields may not be changed. | |
177 | * | |
178 | * The object passed is frozen like all other attributes. | |
179 | */ | |
dac5c838 | 180 | struct bt_value *attribute = |
a0d12916 JG |
181 | bt_ctf_attributes_get_field_value_by_name( |
182 | trace->environment, name); | |
183 | ||
184 | if (attribute) { | |
83509119 | 185 | BT_PUT(attribute); |
a0d12916 JG |
186 | ret = -1; |
187 | goto end; | |
188 | } | |
189 | ||
dac5c838 | 190 | bt_value_freeze(value); |
a0d12916 JG |
191 | } |
192 | ||
7f800dc7 PP |
193 | ret = bt_ctf_attributes_set_field_value(trace->environment, name, |
194 | value); | |
bc37ae52 | 195 | |
7f800dc7 PP |
196 | end: |
197 | return ret; | |
198 | } | |
bc37ae52 | 199 | |
7f800dc7 PP |
200 | int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace, |
201 | const char *name, const char *value) | |
202 | { | |
203 | int ret = 0; | |
dac5c838 | 204 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 PP |
205 | |
206 | if (!trace || !name || !value) { | |
bc37ae52 | 207 | ret = -1; |
7f800dc7 | 208 | goto end; |
bc37ae52 JG |
209 | } |
210 | ||
a0d12916 JG |
211 | if (trace->frozen) { |
212 | /* | |
213 | * New environment fields may be added to a frozen trace, | |
214 | * but existing fields may not be changed. | |
215 | */ | |
dac5c838 | 216 | struct bt_value *attribute = |
a0d12916 JG |
217 | bt_ctf_attributes_get_field_value_by_name( |
218 | trace->environment, name); | |
219 | ||
220 | if (attribute) { | |
83509119 | 221 | BT_PUT(attribute); |
a0d12916 JG |
222 | ret = -1; |
223 | goto end; | |
224 | } | |
225 | } | |
226 | ||
dac5c838 | 227 | env_value_string_obj = bt_value_string_create_init(value); |
bc37ae52 | 228 | |
7f800dc7 PP |
229 | if (!env_value_string_obj) { |
230 | ret = -1; | |
231 | goto end; | |
bc37ae52 JG |
232 | } |
233 | ||
a0d12916 | 234 | if (trace->frozen) { |
dac5c838 | 235 | bt_value_freeze(env_value_string_obj); |
a0d12916 | 236 | } |
7f800dc7 PP |
237 | ret = bt_ctf_trace_set_environment_field(trace, name, |
238 | env_value_string_obj); | |
239 | ||
240 | end: | |
83509119 | 241 | BT_PUT(env_value_string_obj); |
3487c9f3 JG |
242 | return ret; |
243 | } | |
244 | ||
7f800dc7 PP |
245 | int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace, |
246 | const char *name, int64_t value) | |
3487c9f3 | 247 | { |
3487c9f3 | 248 | int ret = 0; |
dac5c838 | 249 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 JG |
250 | |
251 | if (!trace || !name) { | |
252 | ret = -1; | |
7f800dc7 | 253 | goto end; |
3487c9f3 JG |
254 | } |
255 | ||
a0d12916 JG |
256 | if (trace->frozen) { |
257 | /* | |
258 | * New environment fields may be added to a frozen trace, | |
259 | * but existing fields may not be changed. | |
260 | */ | |
dac5c838 | 261 | struct bt_value *attribute = |
a0d12916 JG |
262 | bt_ctf_attributes_get_field_value_by_name( |
263 | trace->environment, name); | |
264 | ||
265 | if (attribute) { | |
83509119 | 266 | BT_PUT(attribute); |
a0d12916 JG |
267 | ret = -1; |
268 | goto end; | |
269 | } | |
270 | } | |
271 | ||
dac5c838 | 272 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 273 | if (!env_value_integer_obj) { |
3487c9f3 | 274 | ret = -1; |
7f800dc7 | 275 | goto end; |
3487c9f3 JG |
276 | } |
277 | ||
7f800dc7 PP |
278 | ret = bt_ctf_trace_set_environment_field(trace, name, |
279 | env_value_integer_obj); | |
a0d12916 | 280 | if (trace->frozen) { |
dac5c838 | 281 | bt_value_freeze(env_value_integer_obj); |
a0d12916 | 282 | } |
7f800dc7 | 283 | end: |
83509119 | 284 | BT_PUT(env_value_integer_obj); |
bc37ae52 JG |
285 | return ret; |
286 | } | |
287 | ||
e6fa2160 JG |
288 | int bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace) |
289 | { | |
290 | int ret = 0; | |
291 | ||
292 | if (!trace) { | |
293 | ret = -1; | |
294 | goto end; | |
295 | } | |
296 | ||
7f800dc7 | 297 | ret = bt_ctf_attributes_get_count(trace->environment); |
e6fa2160 | 298 | |
e6fa2160 | 299 | end: |
7f800dc7 | 300 | return ret; |
e6fa2160 JG |
301 | } |
302 | ||
303 | const char * | |
304 | bt_ctf_trace_get_environment_field_name(struct bt_ctf_trace *trace, | |
305 | int index) | |
306 | { | |
e6fa2160 JG |
307 | const char *ret = NULL; |
308 | ||
7f800dc7 | 309 | if (!trace) { |
e6fa2160 JG |
310 | goto end; |
311 | } | |
312 | ||
7f800dc7 PP |
313 | ret = bt_ctf_attributes_get_field_name(trace->environment, index); |
314 | ||
e6fa2160 JG |
315 | end: |
316 | return ret; | |
317 | } | |
318 | ||
dac5c838 | 319 | struct bt_value *bt_ctf_trace_get_environment_field_value( |
7f800dc7 | 320 | struct bt_ctf_trace *trace, int index) |
e6fa2160 | 321 | { |
dac5c838 | 322 | struct bt_value *ret = NULL; |
e6fa2160 | 323 | |
7f800dc7 | 324 | if (!trace) { |
e6fa2160 JG |
325 | goto end; |
326 | } | |
327 | ||
7f800dc7 PP |
328 | ret = bt_ctf_attributes_get_field_value(trace->environment, index); |
329 | ||
e6fa2160 JG |
330 | end: |
331 | return ret; | |
332 | } | |
333 | ||
dac5c838 | 334 | struct bt_value *bt_ctf_trace_get_environment_field_value_by_name( |
7f800dc7 | 335 | struct bt_ctf_trace *trace, const char *name) |
e6fa2160 | 336 | { |
dac5c838 | 337 | struct bt_value *ret = NULL; |
e6fa2160 | 338 | |
7f800dc7 | 339 | if (!trace || !name) { |
e6fa2160 JG |
340 | goto end; |
341 | } | |
342 | ||
7f800dc7 PP |
343 | ret = bt_ctf_attributes_get_field_value_by_name(trace->environment, |
344 | name); | |
345 | ||
e6fa2160 JG |
346 | end: |
347 | return ret; | |
348 | } | |
349 | ||
bc37ae52 JG |
350 | int bt_ctf_trace_add_clock(struct bt_ctf_trace *trace, |
351 | struct bt_ctf_clock *clock) | |
352 | { | |
353 | int ret = 0; | |
354 | struct search_query query = { .value = clock, .found = 0 }; | |
355 | ||
c06116f3 | 356 | if (!trace || !bt_ctf_clock_is_valid(clock)) { |
bc37ae52 JG |
357 | ret = -1; |
358 | goto end; | |
359 | } | |
360 | ||
361 | /* Check for duplicate clocks */ | |
362 | g_ptr_array_foreach(trace->clocks, value_exists, &query); | |
363 | if (query.found) { | |
364 | ret = -1; | |
365 | goto end; | |
366 | } | |
367 | ||
83509119 | 368 | bt_get(clock); |
bc37ae52 | 369 | g_ptr_array_add(trace->clocks, clock); |
6474e016 | 370 | |
cfeb617e PP |
371 | if (!trace->is_created_by_writer) { |
372 | /* | |
373 | * Non-writer mode trace: disable clock value functions | |
374 | * because clock values are per-stream in that | |
375 | * situation. | |
376 | */ | |
377 | clock->has_value = 0; | |
378 | } | |
379 | ||
6474e016 PP |
380 | if (trace->frozen) { |
381 | bt_ctf_clock_freeze(clock); | |
382 | } | |
bc37ae52 JG |
383 | end: |
384 | return ret; | |
385 | } | |
386 | ||
884cd6c3 JG |
387 | int bt_ctf_trace_get_clock_count(struct bt_ctf_trace *trace) |
388 | { | |
389 | int ret = -1; | |
390 | ||
391 | if (!trace) { | |
392 | goto end; | |
393 | } | |
394 | ||
395 | ret = trace->clocks->len; | |
396 | end: | |
397 | return ret; | |
398 | } | |
399 | ||
400 | struct bt_ctf_clock *bt_ctf_trace_get_clock(struct bt_ctf_trace *trace, | |
401 | int index) | |
402 | { | |
403 | struct bt_ctf_clock *clock = NULL; | |
404 | ||
405 | if (!trace || index < 0 || index >= trace->clocks->len) { | |
406 | goto end; | |
407 | } | |
408 | ||
409 | clock = g_ptr_array_index(trace->clocks, index); | |
83509119 | 410 | bt_get(clock); |
884cd6c3 JG |
411 | end: |
412 | return clock; | |
413 | } | |
414 | ||
ef0c4a15 JG |
415 | int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace, |
416 | struct bt_ctf_stream_class *stream_class) | |
417 | { | |
418 | int ret, i; | |
419 | int64_t stream_id; | |
09840de5 PP |
420 | struct bt_ctf_validation_output trace_sc_validation_output = { 0 }; |
421 | struct bt_ctf_validation_output *ec_validation_outputs = NULL; | |
422 | const enum bt_ctf_validation_flag trace_sc_validation_flags = | |
423 | BT_CTF_VALIDATION_FLAG_TRACE | | |
424 | BT_CTF_VALIDATION_FLAG_STREAM; | |
425 | const enum bt_ctf_validation_flag ec_validation_flags = | |
426 | BT_CTF_VALIDATION_FLAG_EVENT; | |
427 | struct bt_ctf_field_type *packet_header_type = NULL; | |
428 | struct bt_ctf_field_type *packet_context_type = NULL; | |
429 | struct bt_ctf_field_type *event_header_type = NULL; | |
430 | struct bt_ctf_field_type *stream_event_ctx_type = NULL; | |
431 | int event_class_count; | |
fe13b5c0 | 432 | struct bt_ctf_clock *clock_to_add_to_trace = NULL; |
ef0c4a15 JG |
433 | |
434 | if (!trace || !stream_class) { | |
435 | ret = -1; | |
436 | goto end; | |
437 | } | |
438 | ||
09840de5 PP |
439 | event_class_count = |
440 | bt_ctf_stream_class_get_event_class_count(stream_class); | |
441 | assert(event_class_count >= 0); | |
442 | ||
443 | /* Check for duplicate stream classes */ | |
ef0c4a15 JG |
444 | for (i = 0; i < trace->stream_classes->len; i++) { |
445 | if (trace->stream_classes->pdata[i] == stream_class) { | |
09840de5 | 446 | /* Stream class already registered to the trace */ |
ef0c4a15 JG |
447 | ret = -1; |
448 | goto end; | |
449 | } | |
450 | } | |
451 | ||
fe13b5c0 PP |
452 | /* |
453 | * If the stream class has a clock, register this clock to this | |
454 | * trace if not already done. | |
455 | */ | |
456 | if (stream_class->clock) { | |
457 | const char *clock_name = | |
458 | bt_ctf_clock_get_name(stream_class->clock); | |
459 | struct bt_ctf_clock *trace_clock; | |
460 | ||
461 | assert(clock_name); | |
462 | trace_clock = bt_ctf_trace_get_clock_by_name(trace, clock_name); | |
463 | bt_put(trace_clock); | |
464 | if (trace_clock) { | |
465 | if (trace_clock != stream_class->clock) { | |
466 | /* | |
467 | * Error: two different clocks in the | |
468 | * trace would share the same name. | |
469 | */ | |
470 | ret = -1; | |
471 | goto end; | |
472 | } | |
473 | } else { | |
474 | clock_to_add_to_trace = bt_get(stream_class->clock); | |
475 | } | |
476 | } | |
477 | ||
09840de5 PP |
478 | /* |
479 | * We're about to freeze both the trace and the stream class. | |
480 | * Also, each event class contained in this stream class are | |
481 | * already frozen. | |
482 | * | |
483 | * This trace, this stream class, and all its event classes | |
484 | * should be valid at this point. | |
485 | * | |
486 | * Validate trace and stream class first, then each event | |
487 | * class of this stream class can be validated individually. | |
488 | */ | |
489 | packet_header_type = | |
490 | bt_ctf_trace_get_packet_header_type(trace); | |
491 | packet_context_type = | |
492 | bt_ctf_stream_class_get_packet_context_type(stream_class); | |
493 | event_header_type = | |
494 | bt_ctf_stream_class_get_event_header_type(stream_class); | |
495 | stream_event_ctx_type = | |
496 | bt_ctf_stream_class_get_event_context_type(stream_class); | |
497 | ret = bt_ctf_validate_class_types(trace->environment, | |
498 | packet_header_type, packet_context_type, event_header_type, | |
499 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
500 | stream_class->valid, 1, &trace_sc_validation_output, | |
501 | trace_sc_validation_flags); | |
502 | BT_PUT(packet_header_type); | |
503 | BT_PUT(packet_context_type); | |
504 | BT_PUT(event_header_type); | |
505 | BT_PUT(stream_event_ctx_type); | |
506 | ||
2bd7f864 | 507 | if (ret) { |
09840de5 PP |
508 | /* |
509 | * This means something went wrong during the validation | |
510 | * process, not that the objects are invalid. | |
511 | */ | |
2bd7f864 JG |
512 | goto end; |
513 | } | |
514 | ||
09840de5 PP |
515 | if ((trace_sc_validation_output.valid_flags & |
516 | trace_sc_validation_flags) != | |
517 | trace_sc_validation_flags) { | |
518 | /* Invalid trace/stream class */ | |
519 | ret = -1; | |
520 | goto end; | |
521 | } | |
522 | ||
523 | if (event_class_count > 0) { | |
524 | ec_validation_outputs = g_new0(struct bt_ctf_validation_output, | |
525 | event_class_count); | |
526 | if (!ec_validation_outputs) { | |
527 | ret = -1; | |
528 | goto end; | |
529 | } | |
530 | } | |
531 | ||
532 | /* Validate each event class individually */ | |
6474e016 | 533 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
534 | struct bt_ctf_event_class *event_class = |
535 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
536 | struct bt_ctf_field_type *event_context_type = NULL; | |
537 | struct bt_ctf_field_type *event_payload_type = NULL; | |
538 | ||
539 | event_context_type = | |
540 | bt_ctf_event_class_get_context_type(event_class); | |
541 | event_payload_type = | |
542 | bt_ctf_event_class_get_payload_type(event_class); | |
543 | ||
544 | /* | |
545 | * It is important to use the field types returned by | |
546 | * the previous trace and stream class validation here | |
547 | * because copies could have been made. | |
548 | */ | |
549 | ret = bt_ctf_validate_class_types(trace->environment, | |
550 | trace_sc_validation_output.packet_header_type, | |
551 | trace_sc_validation_output.packet_context_type, | |
552 | trace_sc_validation_output.event_header_type, | |
553 | trace_sc_validation_output.stream_event_ctx_type, | |
554 | event_context_type, event_payload_type, | |
555 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
556 | ec_validation_flags); | |
557 | BT_PUT(event_context_type); | |
558 | BT_PUT(event_payload_type); | |
559 | BT_PUT(event_class); | |
560 | ||
561 | if (ret) { | |
562 | goto end; | |
563 | } | |
564 | ||
565 | if ((ec_validation_outputs[i].valid_flags & | |
566 | ec_validation_flags) != ec_validation_flags) { | |
567 | /* Invalid event class */ | |
568 | ret = -1; | |
569 | goto end; | |
570 | } | |
571 | } | |
572 | ||
ef0c4a15 JG |
573 | stream_id = bt_ctf_stream_class_get_id(stream_class); |
574 | if (stream_id < 0) { | |
575 | stream_id = trace->next_stream_id++; | |
576 | ||
577 | /* Try to assign a new stream id */ | |
578 | for (i = 0; i < trace->stream_classes->len; i++) { | |
579 | if (stream_id == bt_ctf_stream_class_get_id( | |
580 | trace->stream_classes->pdata[i])) { | |
581 | /* Duplicate stream id found */ | |
582 | ret = -1; | |
583 | goto end; | |
584 | } | |
585 | } | |
586 | ||
0ddffae5 JG |
587 | if (bt_ctf_stream_class_set_id_no_check(stream_class, |
588 | stream_id)) { | |
ef0c4a15 JG |
589 | /* TODO Should retry with a different stream id */ |
590 | ret = -1; | |
591 | goto end; | |
592 | } | |
593 | } | |
594 | ||
e6a8e8e4 | 595 | bt_object_set_parent(stream_class, trace); |
ef0c4a15 JG |
596 | g_ptr_array_add(trace->stream_classes, stream_class); |
597 | ||
598 | /* | |
09840de5 PP |
599 | * At this point we know that the function will be successful. |
600 | * Therefore we can replace the trace and stream class field | |
601 | * types with what's in their validation output structure and | |
602 | * mark them as valid. We can also replace the field types of | |
603 | * all the event classes of the stream class and mark them as | |
604 | * valid. | |
605 | */ | |
606 | bt_ctf_validation_replace_types(trace, stream_class, NULL, | |
607 | &trace_sc_validation_output, trace_sc_validation_flags); | |
608 | trace->valid = 1; | |
609 | stream_class->valid = 1; | |
610 | ||
611 | /* | |
612 | * Put what was not moved in bt_ctf_validation_replace_types(). | |
613 | */ | |
614 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
615 | ||
6474e016 | 616 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
617 | struct bt_ctf_event_class *event_class = |
618 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
619 | ||
620 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
621 | &ec_validation_outputs[i], ec_validation_flags); | |
622 | event_class->valid = 1; | |
623 | BT_PUT(event_class); | |
624 | ||
625 | /* | |
626 | * Put what was not moved in | |
627 | * bt_ctf_validation_replace_types(). | |
628 | */ | |
629 | bt_ctf_validation_output_put_types(&ec_validation_outputs[i]); | |
630 | } | |
631 | ||
632 | /* | |
ef0c4a15 JG |
633 | * All field type byte orders set as "native" byte ordering can now be |
634 | * safely set to trace's own endianness, including the stream class'. | |
635 | */ | |
636 | bt_ctf_field_type_set_native_byte_order(trace->packet_header_type, | |
637 | trace->byte_order); | |
445c3471 | 638 | bt_ctf_stream_class_set_byte_order(stream_class, trace->byte_order); |
ef0c4a15 | 639 | |
fe13b5c0 PP |
640 | /* Add stream class's clock if it exists */ |
641 | if (clock_to_add_to_trace) { | |
642 | int add_clock_ret = | |
643 | bt_ctf_trace_add_clock(trace, clock_to_add_to_trace); | |
644 | assert(add_clock_ret == 0); | |
645 | } | |
646 | ||
09840de5 PP |
647 | /* |
648 | * Freeze the trace and the stream class. | |
649 | */ | |
f67f3a6e | 650 | bt_ctf_stream_class_freeze(stream_class); |
09840de5 PP |
651 | bt_ctf_trace_freeze(trace); |
652 | ||
9b888ff3 JG |
653 | /* Notifiy listeners of the trace's schema modification. */ |
654 | bt_ctf_stream_class_visit(stream_class, | |
655 | bt_ctf_trace_element_modification, trace); | |
ef0c4a15 | 656 | end: |
d3814b54 | 657 | if (ret) { |
e6a8e8e4 | 658 | bt_object_set_parent(stream_class, NULL); |
09840de5 PP |
659 | |
660 | if (ec_validation_outputs) { | |
6474e016 | 661 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
662 | bt_ctf_validation_output_put_types( |
663 | &ec_validation_outputs[i]); | |
664 | } | |
665 | } | |
d3814b54 | 666 | } |
09840de5 PP |
667 | |
668 | g_free(ec_validation_outputs); | |
669 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
fe13b5c0 | 670 | BT_PUT(clock_to_add_to_trace); |
09840de5 PP |
671 | assert(!packet_header_type); |
672 | assert(!packet_context_type); | |
673 | assert(!event_header_type); | |
674 | assert(!stream_event_ctx_type); | |
675 | ||
ef0c4a15 JG |
676 | return ret; |
677 | } | |
678 | ||
679 | int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace) | |
680 | { | |
681 | int ret; | |
682 | ||
683 | if (!trace) { | |
684 | ret = -1; | |
685 | goto end; | |
686 | } | |
687 | ||
688 | ret = trace->stream_classes->len; | |
689 | end: | |
690 | return ret; | |
691 | } | |
692 | ||
693 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class( | |
694 | struct bt_ctf_trace *trace, int index) | |
695 | { | |
696 | struct bt_ctf_stream_class *stream_class = NULL; | |
697 | ||
698 | if (!trace || index < 0 || index >= trace->stream_classes->len) { | |
699 | goto end; | |
700 | } | |
701 | ||
702 | stream_class = g_ptr_array_index(trace->stream_classes, index); | |
83509119 | 703 | bt_get(stream_class); |
ef0c4a15 JG |
704 | end: |
705 | return stream_class; | |
706 | } | |
707 | ||
4841ccc1 PP |
708 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id( |
709 | struct bt_ctf_trace *trace, uint32_t id) | |
710 | { | |
711 | int i; | |
712 | struct bt_ctf_stream_class *stream_class = NULL; | |
713 | ||
714 | if (!trace) { | |
715 | goto end; | |
716 | } | |
717 | ||
6474e016 | 718 | for (i = 0; i < trace->stream_classes->len; i++) { |
4841ccc1 PP |
719 | struct bt_ctf_stream_class *stream_class_candidate; |
720 | ||
721 | stream_class_candidate = | |
722 | g_ptr_array_index(trace->stream_classes, i); | |
723 | ||
724 | if (bt_ctf_stream_class_get_id(stream_class_candidate) == | |
725 | (int64_t) id) { | |
726 | stream_class = stream_class_candidate; | |
83509119 | 727 | bt_get(stream_class); |
4841ccc1 PP |
728 | goto end; |
729 | } | |
730 | } | |
731 | ||
732 | end: | |
733 | return stream_class; | |
734 | } | |
735 | ||
7e4347a3 PP |
736 | struct bt_ctf_clock *bt_ctf_trace_get_clock_by_name( |
737 | struct bt_ctf_trace *trace, const char *name) | |
738 | { | |
739 | size_t i; | |
740 | struct bt_ctf_clock *clock = NULL; | |
741 | ||
742 | if (!trace || !name) { | |
743 | goto end; | |
744 | } | |
745 | ||
6474e016 | 746 | for (i = 0; i < trace->clocks->len; i++) { |
7e4347a3 PP |
747 | struct bt_ctf_clock *cur_clk = |
748 | g_ptr_array_index(trace->clocks, i); | |
749 | const char *cur_clk_name = bt_ctf_clock_get_name(cur_clk); | |
750 | ||
751 | if (!cur_clk_name) { | |
752 | goto end; | |
753 | } | |
754 | ||
755 | if (!strcmp(cur_clk_name, name)) { | |
756 | clock = cur_clk; | |
83509119 | 757 | bt_get(clock); |
7e4347a3 PP |
758 | goto end; |
759 | } | |
760 | } | |
761 | ||
762 | end: | |
763 | return clock; | |
764 | } | |
765 | ||
bc37ae52 JG |
766 | BT_HIDDEN |
767 | const char *get_byte_order_string(int byte_order) | |
768 | { | |
769 | const char *string; | |
770 | ||
771 | switch (byte_order) { | |
772 | case LITTLE_ENDIAN: | |
773 | string = "le"; | |
774 | break; | |
775 | case BIG_ENDIAN: | |
776 | string = "be"; | |
777 | break; | |
778 | default: | |
779 | string = "unknown"; | |
780 | break; | |
781 | } | |
782 | ||
783 | return string; | |
784 | } | |
785 | ||
786 | static | |
787 | int append_trace_metadata(struct bt_ctf_trace *trace, | |
788 | struct metadata_context *context) | |
789 | { | |
790 | unsigned char *uuid = trace->uuid; | |
791 | int ret; | |
792 | ||
793 | g_string_append(context->string, "trace {\n"); | |
794 | ||
795 | g_string_append(context->string, "\tmajor = 1;\n"); | |
796 | g_string_append(context->string, "\tminor = 8;\n"); | |
797 | ||
798 | g_string_append_printf(context->string, | |
799 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
800 | uuid[0], uuid[1], uuid[2], uuid[3], | |
801 | uuid[4], uuid[5], uuid[6], uuid[7], | |
802 | uuid[8], uuid[9], uuid[10], uuid[11], | |
803 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
804 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", | |
805 | get_byte_order_string(trace->byte_order)); | |
806 | ||
807 | g_string_append(context->string, "\tpacket.header := "); | |
808 | context->current_indentation_level++; | |
809 | g_string_assign(context->field_name, ""); | |
d246b111 | 810 | ret = bt_ctf_field_type_serialize(trace->packet_header_type, |
bc37ae52 JG |
811 | context); |
812 | if (ret) { | |
813 | goto end; | |
814 | } | |
815 | context->current_indentation_level--; | |
816 | ||
817 | g_string_append(context->string, ";\n};\n\n"); | |
818 | end: | |
819 | return ret; | |
820 | } | |
821 | ||
bc37ae52 JG |
822 | static |
823 | void append_env_metadata(struct bt_ctf_trace *trace, | |
824 | struct metadata_context *context) | |
825 | { | |
7f800dc7 PP |
826 | int i; |
827 | int env_size; | |
828 | ||
829 | env_size = bt_ctf_attributes_get_count(trace->environment); | |
830 | ||
831 | if (env_size <= 0) { | |
bc37ae52 JG |
832 | return; |
833 | } | |
834 | ||
835 | g_string_append(context->string, "env {\n"); | |
7f800dc7 | 836 | |
6474e016 | 837 | for (i = 0; i < env_size; i++) { |
dac5c838 | 838 | struct bt_value *env_field_value_obj = NULL; |
7f800dc7 | 839 | const char *entry_name; |
7f800dc7 PP |
840 | |
841 | entry_name = bt_ctf_attributes_get_field_name( | |
842 | trace->environment, i); | |
843 | env_field_value_obj = bt_ctf_attributes_get_field_value( | |
844 | trace->environment, i); | |
845 | ||
846 | if (!entry_name || !env_field_value_obj) { | |
847 | goto loop_next; | |
848 | } | |
849 | ||
dac5c838 PP |
850 | switch (bt_value_get_type(env_field_value_obj)) { |
851 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
852 | { |
853 | int ret; | |
854 | int64_t int_value; | |
855 | ||
dac5c838 | 856 | ret = bt_value_integer_get(env_field_value_obj, |
7f800dc7 PP |
857 | &int_value); |
858 | ||
859 | if (ret) { | |
860 | goto loop_next; | |
861 | } | |
862 | ||
863 | g_string_append_printf(context->string, | |
864 | "\t%s = %" PRId64 ";\n", entry_name, | |
865 | int_value); | |
866 | break; | |
b8248cc0 | 867 | } |
dac5c838 | 868 | case BT_VALUE_TYPE_STRING: |
7f800dc7 PP |
869 | { |
870 | int ret; | |
871 | const char *str_value; | |
872 | char *escaped_str = NULL; | |
873 | ||
dac5c838 | 874 | ret = bt_value_string_get(env_field_value_obj, |
7f800dc7 PP |
875 | &str_value); |
876 | ||
877 | if (ret) { | |
878 | goto loop_next; | |
879 | } | |
880 | ||
881 | escaped_str = g_strescape(str_value, NULL); | |
882 | ||
883 | if (!escaped_str) { | |
884 | goto loop_next; | |
885 | } | |
886 | ||
887 | g_string_append_printf(context->string, | |
888 | "\t%s = \"%s\";\n", entry_name, escaped_str); | |
889 | free(escaped_str); | |
890 | break; | |
891 | } | |
892 | ||
893 | default: | |
894 | goto loop_next; | |
895 | } | |
896 | ||
897 | loop_next: | |
83509119 | 898 | BT_PUT(env_field_value_obj); |
7f800dc7 PP |
899 | } |
900 | ||
bc37ae52 JG |
901 | g_string_append(context->string, "};\n\n"); |
902 | } | |
903 | ||
904 | char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace) | |
905 | { | |
906 | char *metadata = NULL; | |
907 | struct metadata_context *context = NULL; | |
908 | int err = 0; | |
909 | size_t i; | |
910 | ||
911 | if (!trace) { | |
912 | goto end; | |
913 | } | |
914 | ||
915 | context = g_new0(struct metadata_context, 1); | |
916 | if (!context) { | |
917 | goto end; | |
918 | } | |
919 | ||
920 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
921 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
922 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
923 | if (append_trace_metadata(trace, context)) { | |
924 | goto error; | |
925 | } | |
926 | append_env_metadata(trace, context); | |
927 | g_ptr_array_foreach(trace->clocks, | |
928 | (GFunc)bt_ctf_clock_serialize, context); | |
929 | ||
930 | for (i = 0; i < trace->stream_classes->len; i++) { | |
931 | err = bt_ctf_stream_class_serialize( | |
932 | trace->stream_classes->pdata[i], context); | |
933 | if (err) { | |
934 | goto error; | |
935 | } | |
936 | } | |
937 | ||
938 | metadata = context->string->str; | |
939 | error: | |
940 | g_string_free(context->string, err ? TRUE : FALSE); | |
941 | g_string_free(context->field_name, TRUE); | |
942 | g_free(context); | |
943 | end: | |
944 | return metadata; | |
945 | } | |
946 | ||
4ed90fb3 JG |
947 | enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace) |
948 | { | |
949 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
950 | ||
951 | if (!trace) { | |
952 | goto end; | |
953 | } | |
954 | ||
955 | switch (trace->byte_order) { | |
956 | case BIG_ENDIAN: | |
957 | ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN; | |
958 | break; | |
959 | case LITTLE_ENDIAN: | |
960 | ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; | |
961 | break; | |
962 | default: | |
963 | break; | |
964 | } | |
965 | end: | |
966 | return ret; | |
967 | } | |
968 | ||
bc37ae52 JG |
969 | int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace, |
970 | enum bt_ctf_byte_order byte_order) | |
971 | { | |
972 | int ret = 0; | |
973 | int internal_byte_order; | |
974 | ||
975 | if (!trace || trace->frozen) { | |
976 | ret = -1; | |
977 | goto end; | |
978 | } | |
979 | ||
980 | switch (byte_order) { | |
981 | case BT_CTF_BYTE_ORDER_NATIVE: | |
c35a1669 JG |
982 | /* |
983 | * This doesn't make sense since the CTF specification defines | |
984 | * the "native" byte order as "the byte order described in the | |
985 | * trace description". However, this behavior had been | |
986 | * implemented as part of v1.2 and is kept to maintain | |
987 | * compatibility. | |
988 | * | |
989 | * This may be changed on a major version bump only. | |
990 | */ | |
991 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ? | |
bc37ae52 JG |
992 | LITTLE_ENDIAN : BIG_ENDIAN; |
993 | break; | |
994 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
995 | internal_byte_order = LITTLE_ENDIAN; | |
996 | break; | |
997 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
998 | case BT_CTF_BYTE_ORDER_NETWORK: | |
999 | internal_byte_order = BIG_ENDIAN; | |
1000 | break; | |
1001 | default: | |
1002 | ret = -1; | |
1003 | goto end; | |
1004 | } | |
1005 | ||
1006 | trace->byte_order = internal_byte_order; | |
bc37ae52 JG |
1007 | end: |
1008 | return ret; | |
1009 | } | |
1010 | ||
d246b111 JG |
1011 | struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type( |
1012 | struct bt_ctf_trace *trace) | |
1013 | { | |
1014 | struct bt_ctf_field_type *field_type = NULL; | |
1015 | ||
1016 | if (!trace) { | |
1017 | goto end; | |
1018 | } | |
1019 | ||
83509119 | 1020 | bt_get(trace->packet_header_type); |
d246b111 JG |
1021 | field_type = trace->packet_header_type; |
1022 | end: | |
1023 | return field_type; | |
1024 | } | |
1025 | ||
1026 | int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace, | |
1027 | struct bt_ctf_field_type *packet_header_type) | |
1028 | { | |
1029 | int ret = 0; | |
1030 | ||
1031 | if (!trace || !packet_header_type || trace->frozen) { | |
1032 | ret = -1; | |
1033 | goto end; | |
1034 | } | |
1035 | ||
1036 | /* packet_header_type must be a structure */ | |
1037 | if (bt_ctf_field_type_get_type_id(packet_header_type) != | |
9a19a512 | 1038 | BT_CTF_TYPE_ID_STRUCT) { |
d246b111 JG |
1039 | ret = -1; |
1040 | goto end; | |
1041 | } | |
1042 | ||
83509119 JG |
1043 | bt_get(packet_header_type); |
1044 | bt_put(trace->packet_header_type); | |
d246b111 JG |
1045 | trace->packet_header_type = packet_header_type; |
1046 | end: | |
1047 | return ret; | |
1048 | } | |
1049 | ||
8bf65fbd JG |
1050 | static |
1051 | int get_stream_class_count(void *element) | |
1052 | { | |
1053 | return bt_ctf_trace_get_stream_class_count( | |
1054 | (struct bt_ctf_trace *) element); | |
1055 | } | |
1056 | ||
1057 | static | |
1058 | void *get_stream_class(void *element, int i) | |
1059 | { | |
1060 | return bt_ctf_trace_get_stream_class( | |
1061 | (struct bt_ctf_trace *) element, i); | |
1062 | } | |
1063 | ||
1064 | static | |
1065 | int visit_stream_class(void *element, bt_ctf_ir_visitor visitor,void *data) | |
1066 | { | |
1067 | return bt_ctf_stream_class_visit(element, visitor, data); | |
1068 | } | |
1069 | ||
1070 | int bt_ctf_trace_visit(struct bt_ctf_trace *trace, | |
1071 | bt_ctf_ir_visitor visitor, void *data) | |
1072 | { | |
1073 | int ret; | |
1074 | struct bt_ctf_ir_element element = | |
1075 | { .element = trace, .type = BT_CTF_IR_TYPE_TRACE }; | |
1076 | ||
1077 | if (!trace || !visitor) { | |
1078 | ret = -1; | |
1079 | goto end; | |
1080 | } | |
1081 | ||
1082 | ret = visitor_helper(&element, get_stream_class_count, | |
1083 | get_stream_class, visit_stream_class, visitor, data); | |
1084 | end: | |
1085 | return ret; | |
1086 | } | |
1087 | ||
1088 | static | |
9b888ff3 | 1089 | int invoke_listener(struct bt_ctf_ir_element *element, void *data) |
8bf65fbd | 1090 | { |
9b888ff3 | 1091 | struct listener_wrapper *listener_wrapper = data; |
8bf65fbd | 1092 | |
9b888ff3 JG |
1093 | listener_wrapper->listener(element, listener_wrapper->data); |
1094 | return 0; | |
8bf65fbd JG |
1095 | } |
1096 | ||
50ad4244 JG |
1097 | int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace, |
1098 | bt_ctf_listener_cb listener, void *listener_data) | |
2204c381 JG |
1099 | { |
1100 | int ret = 0; | |
50ad4244 JG |
1101 | struct listener_wrapper *listener_wrapper = |
1102 | g_new0(struct listener_wrapper, 1); | |
2204c381 | 1103 | |
50ad4244 | 1104 | if (!trace || !listener || !listener_wrapper) { |
2204c381 JG |
1105 | ret = -1; |
1106 | goto error; | |
1107 | } | |
1108 | ||
50ad4244 JG |
1109 | listener_wrapper->listener = listener; |
1110 | listener_wrapper->data = listener_data; | |
8bf65fbd | 1111 | |
50ad4244 | 1112 | /* Visit the current schema. */ |
9b888ff3 | 1113 | ret = bt_ctf_trace_visit(trace, invoke_listener, listener_wrapper); |
8bf65fbd JG |
1114 | if (ret) { |
1115 | goto error; | |
1116 | } | |
1117 | ||
50ad4244 JG |
1118 | /* |
1119 | * Add listener to the array of callbacks which will be invoked on | |
1120 | * schema changes. | |
1121 | */ | |
1122 | g_ptr_array_add(trace->listeners, listener_wrapper); | |
2204c381 JG |
1123 | return ret; |
1124 | error: | |
50ad4244 | 1125 | g_free(listener_wrapper); |
2204c381 JG |
1126 | return ret; |
1127 | } | |
1128 | ||
bc37ae52 | 1129 | BT_HIDDEN |
9b888ff3 JG |
1130 | int bt_ctf_trace_element_modification(struct bt_ctf_ir_element *element, |
1131 | void *trace_ptr) | |
1132 | { | |
1133 | size_t i; | |
1134 | struct bt_ctf_trace *trace = trace_ptr; | |
1135 | ||
1136 | assert(trace); | |
1137 | assert(element); | |
1138 | ||
1139 | if (trace->listeners->len == 0) { | |
1140 | goto end; | |
1141 | } | |
1142 | ||
1143 | for (i = 0; i < trace->listeners->len; i++) { | |
1144 | struct listener_wrapper *listener = | |
1145 | g_ptr_array_index(trace->listeners, i); | |
1146 | ||
1147 | listener->listener(element, listener->data); | |
1148 | } | |
1149 | end: | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | BT_HIDDEN | |
bc37ae52 JG |
1154 | struct bt_ctf_field_type *get_field_type(enum field_type_alias alias) |
1155 | { | |
a25e0d14 | 1156 | int ret; |
bc37ae52 | 1157 | unsigned int alignment, size; |
8bdcb82e | 1158 | struct bt_ctf_field_type *field_type = NULL; |
bc37ae52 JG |
1159 | |
1160 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
8bdcb82e | 1161 | goto end; |
bc37ae52 JG |
1162 | } |
1163 | ||
1164 | alignment = field_type_aliases_alignments[alias]; | |
1165 | size = field_type_aliases_sizes[alias]; | |
1166 | field_type = bt_ctf_field_type_integer_create(size); | |
a25e0d14 JG |
1167 | ret = bt_ctf_field_type_set_alignment(field_type, alignment); |
1168 | if (ret) { | |
1169 | BT_PUT(field_type); | |
1170 | } | |
8bdcb82e | 1171 | end: |
bc37ae52 JG |
1172 | return field_type; |
1173 | } | |
1174 | ||
f67f3a6e | 1175 | static |
09840de5 | 1176 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace) |
f67f3a6e | 1177 | { |
6474e016 PP |
1178 | int i; |
1179 | ||
09840de5 | 1180 | bt_ctf_field_type_freeze(trace->packet_header_type); |
f67f3a6e | 1181 | bt_ctf_attributes_freeze(trace->environment); |
6474e016 PP |
1182 | |
1183 | for (i = 0; i < trace->clocks->len; i++) { | |
1184 | struct bt_ctf_clock *clock = | |
1185 | g_ptr_array_index(trace->clocks, i); | |
1186 | ||
1187 | bt_ctf_clock_freeze(clock); | |
1188 | } | |
1189 | ||
f67f3a6e JG |
1190 | trace->frozen = 1; |
1191 | } | |
1192 | ||
bc37ae52 JG |
1193 | static |
1194 | int init_trace_packet_header(struct bt_ctf_trace *trace) | |
1195 | { | |
bc37ae52 | 1196 | int ret = 0; |
d246b111 | 1197 | struct bt_ctf_field *magic = NULL, *uuid_array = NULL; |
bc37ae52 JG |
1198 | struct bt_ctf_field_type *_uint32_t = |
1199 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
1200 | struct bt_ctf_field_type *_uint8_t = | |
1201 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1202 | struct bt_ctf_field_type *trace_packet_header_type = | |
1203 | bt_ctf_field_type_structure_create(); | |
1204 | struct bt_ctf_field_type *uuid_array_type = | |
1205 | bt_ctf_field_type_array_create(_uint8_t, 16); | |
1206 | ||
1207 | if (!trace_packet_header_type || !uuid_array_type) { | |
1208 | ret = -1; | |
1209 | goto end; | |
1210 | } | |
1211 | ||
bc37ae52 JG |
1212 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, |
1213 | _uint32_t, "magic"); | |
1214 | if (ret) { | |
1215 | goto end; | |
1216 | } | |
1217 | ||
1218 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1219 | uuid_array_type, "uuid"); | |
1220 | if (ret) { | |
1221 | goto end; | |
1222 | } | |
1223 | ||
1224 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1225 | _uint32_t, "stream_id"); | |
1226 | if (ret) { | |
1227 | goto end; | |
1228 | } | |
1229 | ||
662e778c JG |
1230 | ret = bt_ctf_trace_set_packet_header_type(trace, |
1231 | trace_packet_header_type); | |
1232 | if (ret) { | |
1233 | goto end; | |
1234 | } | |
bc37ae52 | 1235 | end: |
83509119 JG |
1236 | bt_put(uuid_array_type); |
1237 | bt_put(_uint32_t); | |
1238 | bt_put(_uint8_t); | |
1239 | bt_put(magic); | |
1240 | bt_put(uuid_array); | |
1241 | bt_put(trace_packet_header_type); | |
bc37ae52 JG |
1242 | return ret; |
1243 | } |