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> | |
ac0c6bdd | 30 | #include <babeltrace/ctf-ir/clock-class-internal.h> |
bc37ae52 JG |
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> |
ac0c6bdd | 37 | #include <babeltrace/ctf-writer/clock-internal.h> |
2e33ac5a | 38 | #include <babeltrace/ctf-ir/field-types-internal.h> |
44e0a4f5 | 39 | #include <babeltrace/ctf-ir/attributes-internal.h> |
09840de5 | 40 | #include <babeltrace/ctf-ir/validation-internal.h> |
8bf65fbd | 41 | #include <babeltrace/ctf-ir/visitor-internal.h> |
654c1444 | 42 | #include <babeltrace/ctf-ir/utils.h> |
33b34c43 | 43 | #include <babeltrace/component/notification/schema.h> |
bc37ae52 | 44 | #include <babeltrace/compiler.h> |
dac5c838 | 45 | #include <babeltrace/values.h> |
83509119 | 46 | #include <babeltrace/ref.h> |
a0b720b2 | 47 | #include <babeltrace/endian.h> |
bc37ae52 JG |
48 | |
49 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
50 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
51 | ||
50ad4244 JG |
52 | struct listener_wrapper { |
53 | bt_ctf_listener_cb listener; | |
2204c381 JG |
54 | void *data; |
55 | }; | |
56 | ||
bc37ae52 | 57 | static |
83509119 | 58 | void bt_ctf_trace_destroy(struct bt_object *obj); |
bc37ae52 JG |
59 | static |
60 | int init_trace_packet_header(struct bt_ctf_trace *trace); | |
f67f3a6e | 61 | static |
09840de5 | 62 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace); |
bc37ae52 | 63 | |
bc37ae52 JG |
64 | static |
65 | const unsigned int field_type_aliases_alignments[] = { | |
66 | [FIELD_TYPE_ALIAS_UINT5_T] = 1, | |
67 | [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8, | |
68 | [FIELD_TYPE_ALIAS_UINT27_T] = 1, | |
69 | [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8, | |
70 | }; | |
71 | ||
72 | static | |
73 | const unsigned int field_type_aliases_sizes[] = { | |
74 | [FIELD_TYPE_ALIAS_UINT5_T] = 5, | |
75 | [FIELD_TYPE_ALIAS_UINT8_T] = 8, | |
76 | [FIELD_TYPE_ALIAS_UINT16_T] = 16, | |
77 | [FIELD_TYPE_ALIAS_UINT27_T] = 27, | |
78 | [FIELD_TYPE_ALIAS_UINT32_T] = 32, | |
79 | [FIELD_TYPE_ALIAS_UINT64_T] = 64, | |
80 | }; | |
81 | ||
bc37ae52 JG |
82 | struct bt_ctf_trace *bt_ctf_trace_create(void) |
83 | { | |
84 | struct bt_ctf_trace *trace = NULL; | |
85 | ||
86 | trace = g_new0(struct bt_ctf_trace, 1); | |
87 | if (!trace) { | |
88 | goto error; | |
89 | } | |
90 | ||
91 | bt_ctf_trace_set_byte_order(trace, BT_CTF_BYTE_ORDER_NATIVE); | |
83509119 | 92 | bt_object_init(trace, bt_ctf_trace_destroy); |
bc37ae52 | 93 | trace->clocks = g_ptr_array_new_with_free_func( |
83509119 | 94 | (GDestroyNotify) bt_put); |
bc37ae52 | 95 | trace->streams = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 96 | (GDestroyNotify) bt_object_release); |
bc37ae52 | 97 | trace->stream_classes = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 98 | (GDestroyNotify) bt_object_release); |
7f800dc7 | 99 | if (!trace->clocks || !trace->stream_classes || !trace->streams) { |
83509119 | 100 | goto error; |
bc37ae52 JG |
101 | } |
102 | ||
103 | /* Generate a trace UUID */ | |
104 | uuid_generate(trace->uuid); | |
105 | if (init_trace_packet_header(trace)) { | |
83509119 | 106 | goto error; |
bc37ae52 JG |
107 | } |
108 | ||
7f800dc7 PP |
109 | /* Create the environment array object */ |
110 | trace->environment = bt_ctf_attributes_create(); | |
111 | if (!trace->environment) { | |
83509119 | 112 | goto error; |
7f800dc7 PP |
113 | } |
114 | ||
9b888ff3 JG |
115 | trace->listeners = g_ptr_array_new_with_free_func( |
116 | (GDestroyNotify) g_free); | |
117 | if (!trace->listeners) { | |
118 | goto error; | |
119 | } | |
120 | ||
bc37ae52 JG |
121 | return trace; |
122 | ||
bc37ae52 | 123 | error: |
83509119 | 124 | BT_PUT(trace); |
bc37ae52 JG |
125 | return trace; |
126 | } | |
127 | ||
e96045d4 JG |
128 | const char *bt_ctf_trace_get_name(struct bt_ctf_trace *trace) |
129 | { | |
130 | const char *name = NULL; | |
131 | ||
132 | if (!trace || !trace->name) { | |
133 | goto end; | |
134 | } | |
135 | ||
136 | name = trace->name->str; | |
137 | end: | |
138 | return name; | |
139 | } | |
140 | ||
141 | int bt_ctf_trace_set_name(struct bt_ctf_trace *trace, const char *name) | |
142 | { | |
143 | int ret = 0; | |
144 | ||
145 | if (!trace || !name || trace->frozen) { | |
146 | ret = -1; | |
147 | goto end; | |
148 | } | |
149 | ||
150 | trace->name = trace->name ? g_string_assign(trace->name, name) : | |
151 | g_string_new(name); | |
152 | if (!trace->name) { | |
153 | ret = -1; | |
154 | goto end; | |
155 | } | |
156 | end: | |
157 | return ret; | |
158 | } | |
159 | ||
83509119 | 160 | void bt_ctf_trace_destroy(struct bt_object *obj) |
bc37ae52 JG |
161 | { |
162 | struct bt_ctf_trace *trace; | |
bc37ae52 | 163 | |
83509119 | 164 | trace = container_of(obj, struct bt_ctf_trace, base); |
bc37ae52 | 165 | if (trace->environment) { |
7f800dc7 | 166 | bt_ctf_attributes_destroy(trace->environment); |
bc37ae52 JG |
167 | } |
168 | ||
e96045d4 JG |
169 | if (trace->name) { |
170 | g_string_free(trace->name, TRUE); | |
171 | } | |
172 | ||
bc37ae52 JG |
173 | if (trace->clocks) { |
174 | g_ptr_array_free(trace->clocks, TRUE); | |
175 | } | |
176 | ||
177 | if (trace->streams) { | |
178 | g_ptr_array_free(trace->streams, TRUE); | |
179 | } | |
180 | ||
181 | if (trace->stream_classes) { | |
182 | g_ptr_array_free(trace->stream_classes, TRUE); | |
183 | } | |
184 | ||
9b888ff3 JG |
185 | if (trace->listeners) { |
186 | g_ptr_array_free(trace->listeners, TRUE); | |
187 | } | |
188 | ||
83509119 | 189 | bt_put(trace->packet_header_type); |
bc37ae52 JG |
190 | g_free(trace); |
191 | } | |
192 | ||
7f800dc7 | 193 | int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace, |
dac5c838 | 194 | const char *name, struct bt_value *value) |
bc37ae52 | 195 | { |
bc37ae52 JG |
196 | int ret = 0; |
197 | ||
a0d12916 | 198 | if (!trace || !name || !value || |
7f800dc7 | 199 | bt_ctf_validate_identifier(name) || |
dac5c838 | 200 | !(bt_value_is_integer(value) || bt_value_is_string(value))) { |
bc37ae52 | 201 | ret = -1; |
7f800dc7 | 202 | goto end; |
bc37ae52 JG |
203 | } |
204 | ||
205 | if (strchr(name, ' ')) { | |
206 | ret = -1; | |
7f800dc7 | 207 | goto end; |
bc37ae52 JG |
208 | } |
209 | ||
a0d12916 JG |
210 | if (trace->frozen) { |
211 | /* | |
212 | * New environment fields may be added to a frozen trace, | |
213 | * but existing fields may not be changed. | |
214 | * | |
215 | * The object passed is frozen like all other attributes. | |
216 | */ | |
dac5c838 | 217 | struct bt_value *attribute = |
a0d12916 JG |
218 | bt_ctf_attributes_get_field_value_by_name( |
219 | trace->environment, name); | |
220 | ||
221 | if (attribute) { | |
83509119 | 222 | BT_PUT(attribute); |
a0d12916 JG |
223 | ret = -1; |
224 | goto end; | |
225 | } | |
226 | ||
dac5c838 | 227 | bt_value_freeze(value); |
a0d12916 JG |
228 | } |
229 | ||
7f800dc7 PP |
230 | ret = bt_ctf_attributes_set_field_value(trace->environment, name, |
231 | value); | |
bc37ae52 | 232 | |
7f800dc7 PP |
233 | end: |
234 | return ret; | |
235 | } | |
bc37ae52 | 236 | |
7f800dc7 PP |
237 | int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace, |
238 | const char *name, const char *value) | |
239 | { | |
240 | int ret = 0; | |
dac5c838 | 241 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 PP |
242 | |
243 | if (!trace || !name || !value) { | |
bc37ae52 | 244 | ret = -1; |
7f800dc7 | 245 | goto end; |
bc37ae52 JG |
246 | } |
247 | ||
a0d12916 JG |
248 | if (trace->frozen) { |
249 | /* | |
250 | * New environment fields may be added to a frozen trace, | |
251 | * but existing fields may not be changed. | |
252 | */ | |
dac5c838 | 253 | struct bt_value *attribute = |
a0d12916 JG |
254 | bt_ctf_attributes_get_field_value_by_name( |
255 | trace->environment, name); | |
256 | ||
257 | if (attribute) { | |
83509119 | 258 | BT_PUT(attribute); |
a0d12916 JG |
259 | ret = -1; |
260 | goto end; | |
261 | } | |
262 | } | |
263 | ||
dac5c838 | 264 | env_value_string_obj = bt_value_string_create_init(value); |
bc37ae52 | 265 | |
7f800dc7 PP |
266 | if (!env_value_string_obj) { |
267 | ret = -1; | |
268 | goto end; | |
bc37ae52 JG |
269 | } |
270 | ||
a0d12916 | 271 | if (trace->frozen) { |
dac5c838 | 272 | bt_value_freeze(env_value_string_obj); |
a0d12916 | 273 | } |
7f800dc7 PP |
274 | ret = bt_ctf_trace_set_environment_field(trace, name, |
275 | env_value_string_obj); | |
276 | ||
277 | end: | |
83509119 | 278 | BT_PUT(env_value_string_obj); |
3487c9f3 JG |
279 | return ret; |
280 | } | |
281 | ||
7f800dc7 PP |
282 | int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace, |
283 | const char *name, int64_t value) | |
3487c9f3 | 284 | { |
3487c9f3 | 285 | int ret = 0; |
dac5c838 | 286 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 JG |
287 | |
288 | if (!trace || !name) { | |
289 | ret = -1; | |
7f800dc7 | 290 | goto end; |
3487c9f3 JG |
291 | } |
292 | ||
a0d12916 JG |
293 | if (trace->frozen) { |
294 | /* | |
295 | * New environment fields may be added to a frozen trace, | |
296 | * but existing fields may not be changed. | |
297 | */ | |
dac5c838 | 298 | struct bt_value *attribute = |
a0d12916 JG |
299 | bt_ctf_attributes_get_field_value_by_name( |
300 | trace->environment, name); | |
301 | ||
302 | if (attribute) { | |
83509119 | 303 | BT_PUT(attribute); |
a0d12916 JG |
304 | ret = -1; |
305 | goto end; | |
306 | } | |
307 | } | |
308 | ||
dac5c838 | 309 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 310 | if (!env_value_integer_obj) { |
3487c9f3 | 311 | ret = -1; |
7f800dc7 | 312 | goto end; |
3487c9f3 JG |
313 | } |
314 | ||
7f800dc7 PP |
315 | ret = bt_ctf_trace_set_environment_field(trace, name, |
316 | env_value_integer_obj); | |
a0d12916 | 317 | if (trace->frozen) { |
dac5c838 | 318 | bt_value_freeze(env_value_integer_obj); |
a0d12916 | 319 | } |
7f800dc7 | 320 | end: |
83509119 | 321 | BT_PUT(env_value_integer_obj); |
bc37ae52 JG |
322 | return ret; |
323 | } | |
324 | ||
e6fa2160 JG |
325 | int bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace) |
326 | { | |
327 | int ret = 0; | |
328 | ||
329 | if (!trace) { | |
330 | ret = -1; | |
331 | goto end; | |
332 | } | |
333 | ||
7f800dc7 | 334 | ret = bt_ctf_attributes_get_count(trace->environment); |
e6fa2160 | 335 | |
e6fa2160 | 336 | end: |
7f800dc7 | 337 | return ret; |
e6fa2160 JG |
338 | } |
339 | ||
340 | const char * | |
341 | bt_ctf_trace_get_environment_field_name(struct bt_ctf_trace *trace, | |
342 | int index) | |
343 | { | |
e6fa2160 JG |
344 | const char *ret = NULL; |
345 | ||
7f800dc7 | 346 | if (!trace) { |
e6fa2160 JG |
347 | goto end; |
348 | } | |
349 | ||
7f800dc7 PP |
350 | ret = bt_ctf_attributes_get_field_name(trace->environment, index); |
351 | ||
e6fa2160 JG |
352 | end: |
353 | return ret; | |
354 | } | |
355 | ||
dac5c838 | 356 | struct bt_value *bt_ctf_trace_get_environment_field_value( |
7f800dc7 | 357 | struct bt_ctf_trace *trace, int index) |
e6fa2160 | 358 | { |
dac5c838 | 359 | struct bt_value *ret = NULL; |
e6fa2160 | 360 | |
7f800dc7 | 361 | if (!trace) { |
e6fa2160 JG |
362 | goto end; |
363 | } | |
364 | ||
7f800dc7 PP |
365 | ret = bt_ctf_attributes_get_field_value(trace->environment, index); |
366 | ||
e6fa2160 JG |
367 | end: |
368 | return ret; | |
369 | } | |
370 | ||
dac5c838 | 371 | struct bt_value *bt_ctf_trace_get_environment_field_value_by_name( |
7f800dc7 | 372 | struct bt_ctf_trace *trace, const char *name) |
e6fa2160 | 373 | { |
dac5c838 | 374 | struct bt_value *ret = NULL; |
e6fa2160 | 375 | |
7f800dc7 | 376 | if (!trace || !name) { |
e6fa2160 JG |
377 | goto end; |
378 | } | |
379 | ||
7f800dc7 PP |
380 | ret = bt_ctf_attributes_get_field_value_by_name(trace->environment, |
381 | name); | |
382 | ||
e6fa2160 JG |
383 | end: |
384 | return ret; | |
385 | } | |
386 | ||
ac0c6bdd PP |
387 | int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace, |
388 | struct bt_ctf_clock_class *clock_class) | |
bc37ae52 JG |
389 | { |
390 | int ret = 0; | |
ac0c6bdd | 391 | struct search_query query = { .value = clock_class, .found = 0 }; |
bc37ae52 | 392 | |
ac0c6bdd | 393 | if (!trace || !bt_ctf_clock_class_is_valid(clock_class)) { |
bc37ae52 JG |
394 | ret = -1; |
395 | goto end; | |
396 | } | |
397 | ||
ac0c6bdd | 398 | /* Check for duplicate clock classes */ |
bc37ae52 JG |
399 | g_ptr_array_foreach(trace->clocks, value_exists, &query); |
400 | if (query.found) { | |
401 | ret = -1; | |
402 | goto end; | |
403 | } | |
404 | ||
ac0c6bdd PP |
405 | bt_get(clock_class); |
406 | g_ptr_array_add(trace->clocks, clock_class); | |
cfeb617e | 407 | |
6474e016 | 408 | if (trace->frozen) { |
ac0c6bdd | 409 | bt_ctf_clock_class_freeze(clock_class); |
6474e016 | 410 | } |
bc37ae52 JG |
411 | end: |
412 | return ret; | |
413 | } | |
414 | ||
ac0c6bdd | 415 | int bt_ctf_trace_get_clock_class_count(struct bt_ctf_trace *trace) |
884cd6c3 JG |
416 | { |
417 | int ret = -1; | |
418 | ||
419 | if (!trace) { | |
420 | goto end; | |
421 | } | |
422 | ||
423 | ret = trace->clocks->len; | |
424 | end: | |
425 | return ret; | |
426 | } | |
427 | ||
ac0c6bdd PP |
428 | struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class( |
429 | struct bt_ctf_trace *trace, int index) | |
884cd6c3 | 430 | { |
ac0c6bdd | 431 | struct bt_ctf_clock_class *clock_class = NULL; |
884cd6c3 JG |
432 | |
433 | if (!trace || index < 0 || index >= trace->clocks->len) { | |
434 | goto end; | |
435 | } | |
436 | ||
ac0c6bdd PP |
437 | clock_class = g_ptr_array_index(trace->clocks, index); |
438 | bt_get(clock_class); | |
884cd6c3 | 439 | end: |
ac0c6bdd | 440 | return clock_class; |
884cd6c3 JG |
441 | } |
442 | ||
ef0c4a15 JG |
443 | int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace, |
444 | struct bt_ctf_stream_class *stream_class) | |
445 | { | |
446 | int ret, i; | |
447 | int64_t stream_id; | |
09840de5 PP |
448 | struct bt_ctf_validation_output trace_sc_validation_output = { 0 }; |
449 | struct bt_ctf_validation_output *ec_validation_outputs = NULL; | |
450 | const enum bt_ctf_validation_flag trace_sc_validation_flags = | |
451 | BT_CTF_VALIDATION_FLAG_TRACE | | |
452 | BT_CTF_VALIDATION_FLAG_STREAM; | |
453 | const enum bt_ctf_validation_flag ec_validation_flags = | |
454 | BT_CTF_VALIDATION_FLAG_EVENT; | |
455 | struct bt_ctf_field_type *packet_header_type = NULL; | |
456 | struct bt_ctf_field_type *packet_context_type = NULL; | |
457 | struct bt_ctf_field_type *event_header_type = NULL; | |
458 | struct bt_ctf_field_type *stream_event_ctx_type = NULL; | |
459 | int event_class_count; | |
2789e5d9 | 460 | struct bt_ctf_trace *current_parent_trace = NULL; |
ef0c4a15 JG |
461 | |
462 | if (!trace || !stream_class) { | |
463 | ret = -1; | |
464 | goto end; | |
465 | } | |
466 | ||
2789e5d9 JG |
467 | current_parent_trace = bt_ctf_stream_class_get_trace(stream_class); |
468 | if (current_parent_trace) { | |
469 | /* Stream class is already associated to a trace, abort. */ | |
470 | ret = -1; | |
471 | goto end; | |
472 | } | |
473 | ||
09840de5 PP |
474 | event_class_count = |
475 | bt_ctf_stream_class_get_event_class_count(stream_class); | |
476 | assert(event_class_count >= 0); | |
477 | ||
478 | /* Check for duplicate stream classes */ | |
ef0c4a15 JG |
479 | for (i = 0; i < trace->stream_classes->len; i++) { |
480 | if (trace->stream_classes->pdata[i] == stream_class) { | |
09840de5 | 481 | /* Stream class already registered to the trace */ |
ef0c4a15 JG |
482 | ret = -1; |
483 | goto end; | |
484 | } | |
485 | } | |
486 | ||
fe13b5c0 | 487 | if (stream_class->clock) { |
ac0c6bdd PP |
488 | struct bt_ctf_clock_class *stream_clock_class = |
489 | stream_class->clock->clock_class; | |
490 | ||
491 | if (trace->is_created_by_writer) { | |
492 | /* | |
493 | * Make sure this clock was also added to the | |
494 | * trace (potentially through its CTF writer | |
495 | * owner). | |
496 | */ | |
497 | size_t i; | |
498 | ||
499 | for (i = 0; i < trace->clocks->len; i++) { | |
500 | if (trace->clocks->pdata[i] == | |
501 | stream_clock_class) { | |
502 | /* Found! */ | |
503 | break; | |
504 | } | |
505 | } | |
506 | ||
507 | if (i == trace->clocks->len) { | |
508 | /* Not found */ | |
fe13b5c0 PP |
509 | ret = -1; |
510 | goto end; | |
511 | } | |
512 | } else { | |
ac0c6bdd PP |
513 | /* |
514 | * This trace was NOT created by a CTF writer, | |
515 | * thus do not allow the stream class to add to | |
516 | * have a clock at all. Those are two | |
517 | * independent APIs (non-writer and writer | |
518 | * APIs), and isolating them simplifies things. | |
519 | */ | |
520 | ret = -1; | |
521 | goto end; | |
fe13b5c0 PP |
522 | } |
523 | } | |
524 | ||
09840de5 PP |
525 | /* |
526 | * We're about to freeze both the trace and the stream class. | |
527 | * Also, each event class contained in this stream class are | |
528 | * already frozen. | |
529 | * | |
530 | * This trace, this stream class, and all its event classes | |
531 | * should be valid at this point. | |
532 | * | |
533 | * Validate trace and stream class first, then each event | |
534 | * class of this stream class can be validated individually. | |
535 | */ | |
536 | packet_header_type = | |
537 | bt_ctf_trace_get_packet_header_type(trace); | |
538 | packet_context_type = | |
539 | bt_ctf_stream_class_get_packet_context_type(stream_class); | |
540 | event_header_type = | |
541 | bt_ctf_stream_class_get_event_header_type(stream_class); | |
542 | stream_event_ctx_type = | |
543 | bt_ctf_stream_class_get_event_context_type(stream_class); | |
544 | ret = bt_ctf_validate_class_types(trace->environment, | |
545 | packet_header_type, packet_context_type, event_header_type, | |
546 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
547 | stream_class->valid, 1, &trace_sc_validation_output, | |
548 | trace_sc_validation_flags); | |
549 | BT_PUT(packet_header_type); | |
550 | BT_PUT(packet_context_type); | |
551 | BT_PUT(event_header_type); | |
552 | BT_PUT(stream_event_ctx_type); | |
553 | ||
2bd7f864 | 554 | if (ret) { |
09840de5 PP |
555 | /* |
556 | * This means something went wrong during the validation | |
557 | * process, not that the objects are invalid. | |
558 | */ | |
2bd7f864 JG |
559 | goto end; |
560 | } | |
561 | ||
09840de5 PP |
562 | if ((trace_sc_validation_output.valid_flags & |
563 | trace_sc_validation_flags) != | |
564 | trace_sc_validation_flags) { | |
565 | /* Invalid trace/stream class */ | |
566 | ret = -1; | |
567 | goto end; | |
568 | } | |
569 | ||
570 | if (event_class_count > 0) { | |
571 | ec_validation_outputs = g_new0(struct bt_ctf_validation_output, | |
572 | event_class_count); | |
573 | if (!ec_validation_outputs) { | |
574 | ret = -1; | |
575 | goto end; | |
576 | } | |
577 | } | |
578 | ||
579 | /* Validate each event class individually */ | |
6474e016 | 580 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
581 | struct bt_ctf_event_class *event_class = |
582 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
583 | struct bt_ctf_field_type *event_context_type = NULL; | |
584 | struct bt_ctf_field_type *event_payload_type = NULL; | |
585 | ||
586 | event_context_type = | |
587 | bt_ctf_event_class_get_context_type(event_class); | |
588 | event_payload_type = | |
589 | bt_ctf_event_class_get_payload_type(event_class); | |
590 | ||
591 | /* | |
592 | * It is important to use the field types returned by | |
593 | * the previous trace and stream class validation here | |
594 | * because copies could have been made. | |
595 | */ | |
596 | ret = bt_ctf_validate_class_types(trace->environment, | |
597 | trace_sc_validation_output.packet_header_type, | |
598 | trace_sc_validation_output.packet_context_type, | |
599 | trace_sc_validation_output.event_header_type, | |
600 | trace_sc_validation_output.stream_event_ctx_type, | |
601 | event_context_type, event_payload_type, | |
602 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
603 | ec_validation_flags); | |
604 | BT_PUT(event_context_type); | |
605 | BT_PUT(event_payload_type); | |
606 | BT_PUT(event_class); | |
607 | ||
608 | if (ret) { | |
609 | goto end; | |
610 | } | |
611 | ||
612 | if ((ec_validation_outputs[i].valid_flags & | |
613 | ec_validation_flags) != ec_validation_flags) { | |
614 | /* Invalid event class */ | |
615 | ret = -1; | |
616 | goto end; | |
617 | } | |
618 | } | |
619 | ||
ef0c4a15 JG |
620 | stream_id = bt_ctf_stream_class_get_id(stream_class); |
621 | if (stream_id < 0) { | |
622 | stream_id = trace->next_stream_id++; | |
623 | ||
624 | /* Try to assign a new stream id */ | |
625 | for (i = 0; i < trace->stream_classes->len; i++) { | |
626 | if (stream_id == bt_ctf_stream_class_get_id( | |
627 | trace->stream_classes->pdata[i])) { | |
628 | /* Duplicate stream id found */ | |
629 | ret = -1; | |
630 | goto end; | |
631 | } | |
632 | } | |
633 | ||
0ddffae5 JG |
634 | if (bt_ctf_stream_class_set_id_no_check(stream_class, |
635 | stream_id)) { | |
ef0c4a15 JG |
636 | /* TODO Should retry with a different stream id */ |
637 | ret = -1; | |
638 | goto end; | |
639 | } | |
640 | } | |
641 | ||
e6a8e8e4 | 642 | bt_object_set_parent(stream_class, trace); |
ef0c4a15 JG |
643 | g_ptr_array_add(trace->stream_classes, stream_class); |
644 | ||
645 | /* | |
09840de5 PP |
646 | * At this point we know that the function will be successful. |
647 | * Therefore we can replace the trace and stream class field | |
648 | * types with what's in their validation output structure and | |
649 | * mark them as valid. We can also replace the field types of | |
650 | * all the event classes of the stream class and mark them as | |
651 | * valid. | |
652 | */ | |
653 | bt_ctf_validation_replace_types(trace, stream_class, NULL, | |
654 | &trace_sc_validation_output, trace_sc_validation_flags); | |
655 | trace->valid = 1; | |
656 | stream_class->valid = 1; | |
657 | ||
658 | /* | |
659 | * Put what was not moved in bt_ctf_validation_replace_types(). | |
660 | */ | |
661 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
662 | ||
6474e016 | 663 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
664 | struct bt_ctf_event_class *event_class = |
665 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
666 | ||
667 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
668 | &ec_validation_outputs[i], ec_validation_flags); | |
669 | event_class->valid = 1; | |
670 | BT_PUT(event_class); | |
671 | ||
672 | /* | |
673 | * Put what was not moved in | |
674 | * bt_ctf_validation_replace_types(). | |
675 | */ | |
676 | bt_ctf_validation_output_put_types(&ec_validation_outputs[i]); | |
677 | } | |
678 | ||
679 | /* | |
ef0c4a15 JG |
680 | * All field type byte orders set as "native" byte ordering can now be |
681 | * safely set to trace's own endianness, including the stream class'. | |
682 | */ | |
683 | bt_ctf_field_type_set_native_byte_order(trace->packet_header_type, | |
684 | trace->byte_order); | |
445c3471 | 685 | bt_ctf_stream_class_set_byte_order(stream_class, trace->byte_order); |
ef0c4a15 | 686 | |
09840de5 PP |
687 | /* |
688 | * Freeze the trace and the stream class. | |
689 | */ | |
f67f3a6e | 690 | bt_ctf_stream_class_freeze(stream_class); |
09840de5 PP |
691 | bt_ctf_trace_freeze(trace); |
692 | ||
9b888ff3 JG |
693 | /* Notifiy listeners of the trace's schema modification. */ |
694 | bt_ctf_stream_class_visit(stream_class, | |
d9a13d86 | 695 | bt_ctf_trace_object_modification, trace); |
ef0c4a15 | 696 | end: |
d3814b54 | 697 | if (ret) { |
e6a8e8e4 | 698 | bt_object_set_parent(stream_class, NULL); |
09840de5 PP |
699 | |
700 | if (ec_validation_outputs) { | |
6474e016 | 701 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
702 | bt_ctf_validation_output_put_types( |
703 | &ec_validation_outputs[i]); | |
704 | } | |
705 | } | |
d3814b54 | 706 | } |
09840de5 PP |
707 | |
708 | g_free(ec_validation_outputs); | |
709 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
2789e5d9 | 710 | bt_put(current_parent_trace); |
09840de5 PP |
711 | assert(!packet_header_type); |
712 | assert(!packet_context_type); | |
713 | assert(!event_header_type); | |
714 | assert(!stream_event_ctx_type); | |
715 | ||
ef0c4a15 JG |
716 | return ret; |
717 | } | |
718 | ||
719 | int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace) | |
720 | { | |
721 | int ret; | |
722 | ||
723 | if (!trace) { | |
724 | ret = -1; | |
725 | goto end; | |
726 | } | |
727 | ||
728 | ret = trace->stream_classes->len; | |
729 | end: | |
730 | return ret; | |
731 | } | |
732 | ||
733 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class( | |
734 | struct bt_ctf_trace *trace, int index) | |
735 | { | |
736 | struct bt_ctf_stream_class *stream_class = NULL; | |
737 | ||
738 | if (!trace || index < 0 || index >= trace->stream_classes->len) { | |
739 | goto end; | |
740 | } | |
741 | ||
742 | stream_class = g_ptr_array_index(trace->stream_classes, index); | |
83509119 | 743 | bt_get(stream_class); |
ef0c4a15 JG |
744 | end: |
745 | return stream_class; | |
746 | } | |
747 | ||
4841ccc1 PP |
748 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id( |
749 | struct bt_ctf_trace *trace, uint32_t id) | |
750 | { | |
751 | int i; | |
752 | struct bt_ctf_stream_class *stream_class = NULL; | |
753 | ||
754 | if (!trace) { | |
755 | goto end; | |
756 | } | |
757 | ||
6474e016 | 758 | for (i = 0; i < trace->stream_classes->len; i++) { |
4841ccc1 PP |
759 | struct bt_ctf_stream_class *stream_class_candidate; |
760 | ||
761 | stream_class_candidate = | |
762 | g_ptr_array_index(trace->stream_classes, i); | |
763 | ||
764 | if (bt_ctf_stream_class_get_id(stream_class_candidate) == | |
765 | (int64_t) id) { | |
766 | stream_class = stream_class_candidate; | |
83509119 | 767 | bt_get(stream_class); |
4841ccc1 PP |
768 | goto end; |
769 | } | |
770 | } | |
771 | ||
772 | end: | |
773 | return stream_class; | |
774 | } | |
775 | ||
ac0c6bdd | 776 | struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name( |
7e4347a3 PP |
777 | struct bt_ctf_trace *trace, const char *name) |
778 | { | |
779 | size_t i; | |
ac0c6bdd | 780 | struct bt_ctf_clock_class *clock_class = NULL; |
7e4347a3 PP |
781 | |
782 | if (!trace || !name) { | |
783 | goto end; | |
784 | } | |
785 | ||
6474e016 | 786 | for (i = 0; i < trace->clocks->len; i++) { |
ac0c6bdd | 787 | struct bt_ctf_clock_class *cur_clk = |
7e4347a3 | 788 | g_ptr_array_index(trace->clocks, i); |
ac0c6bdd | 789 | const char *cur_clk_name = bt_ctf_clock_class_get_name(cur_clk); |
7e4347a3 PP |
790 | |
791 | if (!cur_clk_name) { | |
792 | goto end; | |
793 | } | |
794 | ||
795 | if (!strcmp(cur_clk_name, name)) { | |
ac0c6bdd PP |
796 | clock_class = cur_clk; |
797 | bt_get(clock_class); | |
7e4347a3 PP |
798 | goto end; |
799 | } | |
800 | } | |
801 | ||
802 | end: | |
ac0c6bdd | 803 | return clock_class; |
7e4347a3 PP |
804 | } |
805 | ||
bc37ae52 JG |
806 | BT_HIDDEN |
807 | const char *get_byte_order_string(int byte_order) | |
808 | { | |
809 | const char *string; | |
810 | ||
811 | switch (byte_order) { | |
812 | case LITTLE_ENDIAN: | |
813 | string = "le"; | |
814 | break; | |
815 | case BIG_ENDIAN: | |
816 | string = "be"; | |
817 | break; | |
818 | default: | |
819 | string = "unknown"; | |
820 | break; | |
821 | } | |
822 | ||
823 | return string; | |
824 | } | |
825 | ||
826 | static | |
827 | int append_trace_metadata(struct bt_ctf_trace *trace, | |
828 | struct metadata_context *context) | |
829 | { | |
830 | unsigned char *uuid = trace->uuid; | |
831 | int ret; | |
832 | ||
833 | g_string_append(context->string, "trace {\n"); | |
834 | ||
835 | g_string_append(context->string, "\tmajor = 1;\n"); | |
836 | g_string_append(context->string, "\tminor = 8;\n"); | |
837 | ||
838 | g_string_append_printf(context->string, | |
839 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
840 | uuid[0], uuid[1], uuid[2], uuid[3], | |
841 | uuid[4], uuid[5], uuid[6], uuid[7], | |
842 | uuid[8], uuid[9], uuid[10], uuid[11], | |
843 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
844 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", | |
845 | get_byte_order_string(trace->byte_order)); | |
846 | ||
847 | g_string_append(context->string, "\tpacket.header := "); | |
848 | context->current_indentation_level++; | |
849 | g_string_assign(context->field_name, ""); | |
d246b111 | 850 | ret = bt_ctf_field_type_serialize(trace->packet_header_type, |
bc37ae52 JG |
851 | context); |
852 | if (ret) { | |
853 | goto end; | |
854 | } | |
855 | context->current_indentation_level--; | |
856 | ||
857 | g_string_append(context->string, ";\n};\n\n"); | |
858 | end: | |
859 | return ret; | |
860 | } | |
861 | ||
bc37ae52 JG |
862 | static |
863 | void append_env_metadata(struct bt_ctf_trace *trace, | |
864 | struct metadata_context *context) | |
865 | { | |
7f800dc7 PP |
866 | int i; |
867 | int env_size; | |
868 | ||
869 | env_size = bt_ctf_attributes_get_count(trace->environment); | |
870 | ||
871 | if (env_size <= 0) { | |
bc37ae52 JG |
872 | return; |
873 | } | |
874 | ||
875 | g_string_append(context->string, "env {\n"); | |
7f800dc7 | 876 | |
6474e016 | 877 | for (i = 0; i < env_size; i++) { |
dac5c838 | 878 | struct bt_value *env_field_value_obj = NULL; |
7f800dc7 | 879 | const char *entry_name; |
7f800dc7 PP |
880 | |
881 | entry_name = bt_ctf_attributes_get_field_name( | |
882 | trace->environment, i); | |
883 | env_field_value_obj = bt_ctf_attributes_get_field_value( | |
884 | trace->environment, i); | |
885 | ||
886 | if (!entry_name || !env_field_value_obj) { | |
887 | goto loop_next; | |
888 | } | |
889 | ||
dac5c838 PP |
890 | switch (bt_value_get_type(env_field_value_obj)) { |
891 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
892 | { |
893 | int ret; | |
894 | int64_t int_value; | |
895 | ||
dac5c838 | 896 | ret = bt_value_integer_get(env_field_value_obj, |
7f800dc7 PP |
897 | &int_value); |
898 | ||
899 | if (ret) { | |
900 | goto loop_next; | |
901 | } | |
902 | ||
903 | g_string_append_printf(context->string, | |
904 | "\t%s = %" PRId64 ";\n", entry_name, | |
905 | int_value); | |
906 | break; | |
b8248cc0 | 907 | } |
dac5c838 | 908 | case BT_VALUE_TYPE_STRING: |
7f800dc7 PP |
909 | { |
910 | int ret; | |
911 | const char *str_value; | |
912 | char *escaped_str = NULL; | |
913 | ||
dac5c838 | 914 | ret = bt_value_string_get(env_field_value_obj, |
7f800dc7 PP |
915 | &str_value); |
916 | ||
917 | if (ret) { | |
918 | goto loop_next; | |
919 | } | |
920 | ||
921 | escaped_str = g_strescape(str_value, NULL); | |
922 | ||
923 | if (!escaped_str) { | |
924 | goto loop_next; | |
925 | } | |
926 | ||
927 | g_string_append_printf(context->string, | |
928 | "\t%s = \"%s\";\n", entry_name, escaped_str); | |
929 | free(escaped_str); | |
930 | break; | |
931 | } | |
932 | ||
933 | default: | |
934 | goto loop_next; | |
935 | } | |
936 | ||
937 | loop_next: | |
83509119 | 938 | BT_PUT(env_field_value_obj); |
7f800dc7 PP |
939 | } |
940 | ||
bc37ae52 JG |
941 | g_string_append(context->string, "};\n\n"); |
942 | } | |
943 | ||
944 | char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace) | |
945 | { | |
946 | char *metadata = NULL; | |
947 | struct metadata_context *context = NULL; | |
948 | int err = 0; | |
949 | size_t i; | |
950 | ||
951 | if (!trace) { | |
952 | goto end; | |
953 | } | |
954 | ||
955 | context = g_new0(struct metadata_context, 1); | |
956 | if (!context) { | |
957 | goto end; | |
958 | } | |
959 | ||
960 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
961 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
962 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
963 | if (append_trace_metadata(trace, context)) { | |
964 | goto error; | |
965 | } | |
966 | append_env_metadata(trace, context); | |
967 | g_ptr_array_foreach(trace->clocks, | |
ac0c6bdd | 968 | (GFunc)bt_ctf_clock_class_serialize, context); |
bc37ae52 JG |
969 | |
970 | for (i = 0; i < trace->stream_classes->len; i++) { | |
971 | err = bt_ctf_stream_class_serialize( | |
972 | trace->stream_classes->pdata[i], context); | |
973 | if (err) { | |
974 | goto error; | |
975 | } | |
976 | } | |
977 | ||
978 | metadata = context->string->str; | |
979 | error: | |
980 | g_string_free(context->string, err ? TRUE : FALSE); | |
981 | g_string_free(context->field_name, TRUE); | |
982 | g_free(context); | |
983 | end: | |
984 | return metadata; | |
985 | } | |
986 | ||
4ed90fb3 JG |
987 | enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace) |
988 | { | |
989 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
990 | ||
991 | if (!trace) { | |
992 | goto end; | |
993 | } | |
994 | ||
995 | switch (trace->byte_order) { | |
996 | case BIG_ENDIAN: | |
997 | ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN; | |
998 | break; | |
999 | case LITTLE_ENDIAN: | |
1000 | ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN; | |
1001 | break; | |
1002 | default: | |
1003 | break; | |
1004 | } | |
1005 | end: | |
1006 | return ret; | |
1007 | } | |
1008 | ||
bc37ae52 JG |
1009 | int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace, |
1010 | enum bt_ctf_byte_order byte_order) | |
1011 | { | |
1012 | int ret = 0; | |
1013 | int internal_byte_order; | |
1014 | ||
1015 | if (!trace || trace->frozen) { | |
1016 | ret = -1; | |
1017 | goto end; | |
1018 | } | |
1019 | ||
1020 | switch (byte_order) { | |
1021 | case BT_CTF_BYTE_ORDER_NATIVE: | |
c35a1669 JG |
1022 | /* |
1023 | * This doesn't make sense since the CTF specification defines | |
1024 | * the "native" byte order as "the byte order described in the | |
1025 | * trace description". However, this behavior had been | |
1026 | * implemented as part of v1.2 and is kept to maintain | |
1027 | * compatibility. | |
1028 | * | |
1029 | * This may be changed on a major version bump only. | |
1030 | */ | |
1031 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN) ? | |
bc37ae52 JG |
1032 | LITTLE_ENDIAN : BIG_ENDIAN; |
1033 | break; | |
1034 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: | |
1035 | internal_byte_order = LITTLE_ENDIAN; | |
1036 | break; | |
1037 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: | |
1038 | case BT_CTF_BYTE_ORDER_NETWORK: | |
1039 | internal_byte_order = BIG_ENDIAN; | |
1040 | break; | |
1041 | default: | |
1042 | ret = -1; | |
1043 | goto end; | |
1044 | } | |
1045 | ||
1046 | trace->byte_order = internal_byte_order; | |
bc37ae52 JG |
1047 | end: |
1048 | return ret; | |
1049 | } | |
1050 | ||
d246b111 JG |
1051 | struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type( |
1052 | struct bt_ctf_trace *trace) | |
1053 | { | |
1054 | struct bt_ctf_field_type *field_type = NULL; | |
1055 | ||
1056 | if (!trace) { | |
1057 | goto end; | |
1058 | } | |
1059 | ||
83509119 | 1060 | bt_get(trace->packet_header_type); |
d246b111 JG |
1061 | field_type = trace->packet_header_type; |
1062 | end: | |
1063 | return field_type; | |
1064 | } | |
1065 | ||
1066 | int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace, | |
1067 | struct bt_ctf_field_type *packet_header_type) | |
1068 | { | |
1069 | int ret = 0; | |
1070 | ||
835b2d10 | 1071 | if (!trace || trace->frozen) { |
d246b111 JG |
1072 | ret = -1; |
1073 | goto end; | |
1074 | } | |
1075 | ||
835b2d10 JG |
1076 | /* packet_header_type must be a structure. */ |
1077 | if (packet_header_type && | |
1078 | bt_ctf_field_type_get_type_id(packet_header_type) != | |
1079 | BT_CTF_TYPE_ID_STRUCT) { | |
d246b111 JG |
1080 | ret = -1; |
1081 | goto end; | |
1082 | } | |
1083 | ||
83509119 | 1084 | bt_put(trace->packet_header_type); |
835b2d10 | 1085 | trace->packet_header_type = bt_get(packet_header_type); |
d246b111 JG |
1086 | end: |
1087 | return ret; | |
1088 | } | |
1089 | ||
8bf65fbd JG |
1090 | static |
1091 | int get_stream_class_count(void *element) | |
1092 | { | |
1093 | return bt_ctf_trace_get_stream_class_count( | |
1094 | (struct bt_ctf_trace *) element); | |
1095 | } | |
1096 | ||
1097 | static | |
1098 | void *get_stream_class(void *element, int i) | |
1099 | { | |
1100 | return bt_ctf_trace_get_stream_class( | |
1101 | (struct bt_ctf_trace *) element, i); | |
1102 | } | |
1103 | ||
1104 | static | |
d9a13d86 | 1105 | int visit_stream_class(void *object, bt_ctf_visitor visitor,void *data) |
8bf65fbd | 1106 | { |
d9a13d86 | 1107 | return bt_ctf_stream_class_visit(object, visitor, data); |
8bf65fbd JG |
1108 | } |
1109 | ||
1110 | int bt_ctf_trace_visit(struct bt_ctf_trace *trace, | |
d9a13d86 | 1111 | bt_ctf_visitor visitor, void *data) |
8bf65fbd JG |
1112 | { |
1113 | int ret; | |
d9a13d86 PP |
1114 | struct bt_ctf_object obj = |
1115 | { .object = trace, .type = BT_CTF_OBJECT_TYPE_TRACE }; | |
8bf65fbd JG |
1116 | |
1117 | if (!trace || !visitor) { | |
1118 | ret = -1; | |
1119 | goto end; | |
1120 | } | |
1121 | ||
d9a13d86 | 1122 | ret = visitor_helper(&obj, get_stream_class_count, |
8bf65fbd JG |
1123 | get_stream_class, visit_stream_class, visitor, data); |
1124 | end: | |
1125 | return ret; | |
1126 | } | |
1127 | ||
1128 | static | |
d9a13d86 | 1129 | int invoke_listener(struct bt_ctf_object *object, void *data) |
8bf65fbd | 1130 | { |
9b888ff3 | 1131 | struct listener_wrapper *listener_wrapper = data; |
8bf65fbd | 1132 | |
d9a13d86 | 1133 | listener_wrapper->listener(object, listener_wrapper->data); |
9b888ff3 | 1134 | return 0; |
8bf65fbd JG |
1135 | } |
1136 | ||
50ad4244 JG |
1137 | int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace, |
1138 | bt_ctf_listener_cb listener, void *listener_data) | |
2204c381 JG |
1139 | { |
1140 | int ret = 0; | |
50ad4244 JG |
1141 | struct listener_wrapper *listener_wrapper = |
1142 | g_new0(struct listener_wrapper, 1); | |
2204c381 | 1143 | |
50ad4244 | 1144 | if (!trace || !listener || !listener_wrapper) { |
2204c381 JG |
1145 | ret = -1; |
1146 | goto error; | |
1147 | } | |
1148 | ||
50ad4244 JG |
1149 | listener_wrapper->listener = listener; |
1150 | listener_wrapper->data = listener_data; | |
8bf65fbd | 1151 | |
50ad4244 | 1152 | /* Visit the current schema. */ |
9b888ff3 | 1153 | ret = bt_ctf_trace_visit(trace, invoke_listener, listener_wrapper); |
8bf65fbd JG |
1154 | if (ret) { |
1155 | goto error; | |
1156 | } | |
1157 | ||
50ad4244 JG |
1158 | /* |
1159 | * Add listener to the array of callbacks which will be invoked on | |
1160 | * schema changes. | |
1161 | */ | |
1162 | g_ptr_array_add(trace->listeners, listener_wrapper); | |
2204c381 JG |
1163 | return ret; |
1164 | error: | |
50ad4244 | 1165 | g_free(listener_wrapper); |
2204c381 JG |
1166 | return ret; |
1167 | } | |
1168 | ||
bc37ae52 | 1169 | BT_HIDDEN |
d9a13d86 | 1170 | int bt_ctf_trace_object_modification(struct bt_ctf_object *object, |
9b888ff3 JG |
1171 | void *trace_ptr) |
1172 | { | |
1173 | size_t i; | |
1174 | struct bt_ctf_trace *trace = trace_ptr; | |
1175 | ||
1176 | assert(trace); | |
d9a13d86 | 1177 | assert(object); |
9b888ff3 JG |
1178 | |
1179 | if (trace->listeners->len == 0) { | |
1180 | goto end; | |
1181 | } | |
1182 | ||
1183 | for (i = 0; i < trace->listeners->len; i++) { | |
1184 | struct listener_wrapper *listener = | |
1185 | g_ptr_array_index(trace->listeners, i); | |
1186 | ||
d9a13d86 | 1187 | listener->listener(object, listener->data); |
9b888ff3 JG |
1188 | } |
1189 | end: | |
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | BT_HIDDEN | |
bc37ae52 JG |
1194 | struct bt_ctf_field_type *get_field_type(enum field_type_alias alias) |
1195 | { | |
a25e0d14 | 1196 | int ret; |
bc37ae52 | 1197 | unsigned int alignment, size; |
8bdcb82e | 1198 | struct bt_ctf_field_type *field_type = NULL; |
bc37ae52 JG |
1199 | |
1200 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
8bdcb82e | 1201 | goto end; |
bc37ae52 JG |
1202 | } |
1203 | ||
1204 | alignment = field_type_aliases_alignments[alias]; | |
1205 | size = field_type_aliases_sizes[alias]; | |
1206 | field_type = bt_ctf_field_type_integer_create(size); | |
a25e0d14 JG |
1207 | ret = bt_ctf_field_type_set_alignment(field_type, alignment); |
1208 | if (ret) { | |
1209 | BT_PUT(field_type); | |
1210 | } | |
8bdcb82e | 1211 | end: |
bc37ae52 JG |
1212 | return field_type; |
1213 | } | |
1214 | ||
f67f3a6e | 1215 | static |
09840de5 | 1216 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace) |
f67f3a6e | 1217 | { |
6474e016 PP |
1218 | int i; |
1219 | ||
09840de5 | 1220 | bt_ctf_field_type_freeze(trace->packet_header_type); |
f67f3a6e | 1221 | bt_ctf_attributes_freeze(trace->environment); |
6474e016 PP |
1222 | |
1223 | for (i = 0; i < trace->clocks->len; i++) { | |
ac0c6bdd | 1224 | struct bt_ctf_clock_class *clock_class = |
6474e016 PP |
1225 | g_ptr_array_index(trace->clocks, i); |
1226 | ||
ac0c6bdd | 1227 | bt_ctf_clock_class_freeze(clock_class); |
6474e016 PP |
1228 | } |
1229 | ||
f67f3a6e JG |
1230 | trace->frozen = 1; |
1231 | } | |
1232 | ||
bc37ae52 JG |
1233 | static |
1234 | int init_trace_packet_header(struct bt_ctf_trace *trace) | |
1235 | { | |
bc37ae52 | 1236 | int ret = 0; |
d246b111 | 1237 | struct bt_ctf_field *magic = NULL, *uuid_array = NULL; |
bc37ae52 JG |
1238 | struct bt_ctf_field_type *_uint32_t = |
1239 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
1240 | struct bt_ctf_field_type *_uint8_t = | |
1241 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1242 | struct bt_ctf_field_type *trace_packet_header_type = | |
1243 | bt_ctf_field_type_structure_create(); | |
1244 | struct bt_ctf_field_type *uuid_array_type = | |
1245 | bt_ctf_field_type_array_create(_uint8_t, 16); | |
1246 | ||
1247 | if (!trace_packet_header_type || !uuid_array_type) { | |
1248 | ret = -1; | |
1249 | goto end; | |
1250 | } | |
1251 | ||
bc37ae52 JG |
1252 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, |
1253 | _uint32_t, "magic"); | |
1254 | if (ret) { | |
1255 | goto end; | |
1256 | } | |
1257 | ||
1258 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1259 | uuid_array_type, "uuid"); | |
1260 | if (ret) { | |
1261 | goto end; | |
1262 | } | |
1263 | ||
1264 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1265 | _uint32_t, "stream_id"); | |
1266 | if (ret) { | |
1267 | goto end; | |
1268 | } | |
1269 | ||
662e778c JG |
1270 | ret = bt_ctf_trace_set_packet_header_type(trace, |
1271 | trace_packet_header_type); | |
1272 | if (ret) { | |
1273 | goto end; | |
1274 | } | |
bc37ae52 | 1275 | end: |
83509119 JG |
1276 | bt_put(uuid_array_type); |
1277 | bt_put(_uint32_t); | |
1278 | bt_put(_uint8_t); | |
1279 | bt_put(magic); | |
1280 | bt_put(uuid_array); | |
1281 | bt_put(trace_packet_header_type); | |
bc37ae52 JG |
1282 | return ret; |
1283 | } |