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> |
b2e0c907 | 43 | #include <babeltrace/graph/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> |
dc3fffef | 48 | #include <inttypes.h> |
bc37ae52 JG |
49 | |
50 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
51 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
52 | ||
50ad4244 JG |
53 | struct listener_wrapper { |
54 | bt_ctf_listener_cb listener; | |
2204c381 JG |
55 | void *data; |
56 | }; | |
57 | ||
bc37ae52 | 58 | static |
83509119 | 59 | void bt_ctf_trace_destroy(struct bt_object *obj); |
bc37ae52 JG |
60 | static |
61 | int init_trace_packet_header(struct bt_ctf_trace *trace); | |
f67f3a6e | 62 | static |
09840de5 | 63 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace); |
bc37ae52 | 64 | |
bc37ae52 JG |
65 | static |
66 | const unsigned int field_type_aliases_alignments[] = { | |
67 | [FIELD_TYPE_ALIAS_UINT5_T] = 1, | |
68 | [FIELD_TYPE_ALIAS_UINT8_T ... FIELD_TYPE_ALIAS_UINT16_T] = 8, | |
69 | [FIELD_TYPE_ALIAS_UINT27_T] = 1, | |
70 | [FIELD_TYPE_ALIAS_UINT32_T ... FIELD_TYPE_ALIAS_UINT64_T] = 8, | |
71 | }; | |
72 | ||
73 | static | |
74 | const unsigned int field_type_aliases_sizes[] = { | |
75 | [FIELD_TYPE_ALIAS_UINT5_T] = 5, | |
76 | [FIELD_TYPE_ALIAS_UINT8_T] = 8, | |
77 | [FIELD_TYPE_ALIAS_UINT16_T] = 16, | |
78 | [FIELD_TYPE_ALIAS_UINT27_T] = 27, | |
79 | [FIELD_TYPE_ALIAS_UINT32_T] = 32, | |
80 | [FIELD_TYPE_ALIAS_UINT64_T] = 64, | |
81 | }; | |
82 | ||
bc37ae52 JG |
83 | struct bt_ctf_trace *bt_ctf_trace_create(void) |
84 | { | |
85 | struct bt_ctf_trace *trace = NULL; | |
86 | ||
87 | trace = g_new0(struct bt_ctf_trace, 1); | |
88 | if (!trace) { | |
89 | goto error; | |
90 | } | |
91 | ||
391c8f0d | 92 | trace->native_byte_order = BT_CTF_BYTE_ORDER_NATIVE; |
83509119 | 93 | bt_object_init(trace, bt_ctf_trace_destroy); |
bc37ae52 | 94 | trace->clocks = g_ptr_array_new_with_free_func( |
83509119 | 95 | (GDestroyNotify) bt_put); |
bc37ae52 | 96 | trace->streams = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 97 | (GDestroyNotify) bt_object_release); |
bc37ae52 | 98 | trace->stream_classes = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 99 | (GDestroyNotify) bt_object_release); |
7f800dc7 | 100 | if (!trace->clocks || !trace->stream_classes || !trace->streams) { |
83509119 | 101 | goto error; |
bc37ae52 JG |
102 | } |
103 | ||
104 | /* Generate a trace UUID */ | |
105 | uuid_generate(trace->uuid); | |
106 | if (init_trace_packet_header(trace)) { | |
83509119 | 107 | goto error; |
bc37ae52 JG |
108 | } |
109 | ||
7f800dc7 PP |
110 | /* Create the environment array object */ |
111 | trace->environment = bt_ctf_attributes_create(); | |
112 | if (!trace->environment) { | |
83509119 | 113 | goto error; |
7f800dc7 PP |
114 | } |
115 | ||
9b888ff3 JG |
116 | trace->listeners = g_ptr_array_new_with_free_func( |
117 | (GDestroyNotify) g_free); | |
118 | if (!trace->listeners) { | |
119 | goto error; | |
120 | } | |
121 | ||
bc37ae52 JG |
122 | return trace; |
123 | ||
bc37ae52 | 124 | error: |
83509119 | 125 | BT_PUT(trace); |
bc37ae52 JG |
126 | return trace; |
127 | } | |
128 | ||
e96045d4 JG |
129 | const char *bt_ctf_trace_get_name(struct bt_ctf_trace *trace) |
130 | { | |
131 | const char *name = NULL; | |
132 | ||
133 | if (!trace || !trace->name) { | |
134 | goto end; | |
135 | } | |
136 | ||
137 | name = trace->name->str; | |
138 | end: | |
139 | return name; | |
140 | } | |
141 | ||
142 | int bt_ctf_trace_set_name(struct bt_ctf_trace *trace, const char *name) | |
143 | { | |
144 | int ret = 0; | |
145 | ||
146 | if (!trace || !name || trace->frozen) { | |
147 | ret = -1; | |
148 | goto end; | |
149 | } | |
150 | ||
151 | trace->name = trace->name ? g_string_assign(trace->name, name) : | |
152 | g_string_new(name); | |
153 | if (!trace->name) { | |
154 | ret = -1; | |
155 | goto end; | |
156 | } | |
157 | end: | |
158 | return ret; | |
159 | } | |
160 | ||
83509119 | 161 | void bt_ctf_trace_destroy(struct bt_object *obj) |
bc37ae52 JG |
162 | { |
163 | struct bt_ctf_trace *trace; | |
bc37ae52 | 164 | |
83509119 | 165 | trace = container_of(obj, struct bt_ctf_trace, base); |
bc37ae52 | 166 | if (trace->environment) { |
7f800dc7 | 167 | bt_ctf_attributes_destroy(trace->environment); |
bc37ae52 JG |
168 | } |
169 | ||
e96045d4 JG |
170 | if (trace->name) { |
171 | g_string_free(trace->name, TRUE); | |
172 | } | |
173 | ||
bc37ae52 JG |
174 | if (trace->clocks) { |
175 | g_ptr_array_free(trace->clocks, TRUE); | |
176 | } | |
177 | ||
178 | if (trace->streams) { | |
179 | g_ptr_array_free(trace->streams, TRUE); | |
180 | } | |
181 | ||
182 | if (trace->stream_classes) { | |
183 | g_ptr_array_free(trace->stream_classes, TRUE); | |
184 | } | |
185 | ||
9b888ff3 JG |
186 | if (trace->listeners) { |
187 | g_ptr_array_free(trace->listeners, TRUE); | |
188 | } | |
189 | ||
83509119 | 190 | bt_put(trace->packet_header_type); |
bc37ae52 JG |
191 | g_free(trace); |
192 | } | |
193 | ||
7f800dc7 | 194 | int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace, |
dac5c838 | 195 | const char *name, struct bt_value *value) |
bc37ae52 | 196 | { |
bc37ae52 JG |
197 | int ret = 0; |
198 | ||
a0d12916 | 199 | if (!trace || !name || !value || |
7f800dc7 | 200 | bt_ctf_validate_identifier(name) || |
dac5c838 | 201 | !(bt_value_is_integer(value) || bt_value_is_string(value))) { |
bc37ae52 | 202 | ret = -1; |
7f800dc7 | 203 | goto end; |
bc37ae52 JG |
204 | } |
205 | ||
206 | if (strchr(name, ' ')) { | |
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 | * | |
216 | * The object passed is frozen like all other attributes. | |
217 | */ | |
dac5c838 | 218 | struct bt_value *attribute = |
a0d12916 JG |
219 | bt_ctf_attributes_get_field_value_by_name( |
220 | trace->environment, name); | |
221 | ||
222 | if (attribute) { | |
83509119 | 223 | BT_PUT(attribute); |
a0d12916 JG |
224 | ret = -1; |
225 | goto end; | |
226 | } | |
227 | ||
dac5c838 | 228 | bt_value_freeze(value); |
a0d12916 JG |
229 | } |
230 | ||
7f800dc7 PP |
231 | ret = bt_ctf_attributes_set_field_value(trace->environment, name, |
232 | value); | |
bc37ae52 | 233 | |
7f800dc7 PP |
234 | end: |
235 | return ret; | |
236 | } | |
bc37ae52 | 237 | |
7f800dc7 PP |
238 | int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace, |
239 | const char *name, const char *value) | |
240 | { | |
241 | int ret = 0; | |
dac5c838 | 242 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 PP |
243 | |
244 | if (!trace || !name || !value) { | |
bc37ae52 | 245 | ret = -1; |
7f800dc7 | 246 | goto end; |
bc37ae52 JG |
247 | } |
248 | ||
a0d12916 JG |
249 | if (trace->frozen) { |
250 | /* | |
251 | * New environment fields may be added to a frozen trace, | |
252 | * but existing fields may not be changed. | |
253 | */ | |
dac5c838 | 254 | struct bt_value *attribute = |
a0d12916 JG |
255 | bt_ctf_attributes_get_field_value_by_name( |
256 | trace->environment, name); | |
257 | ||
258 | if (attribute) { | |
83509119 | 259 | BT_PUT(attribute); |
a0d12916 JG |
260 | ret = -1; |
261 | goto end; | |
262 | } | |
263 | } | |
264 | ||
dac5c838 | 265 | env_value_string_obj = bt_value_string_create_init(value); |
bc37ae52 | 266 | |
7f800dc7 PP |
267 | if (!env_value_string_obj) { |
268 | ret = -1; | |
269 | goto end; | |
bc37ae52 JG |
270 | } |
271 | ||
a0d12916 | 272 | if (trace->frozen) { |
dac5c838 | 273 | bt_value_freeze(env_value_string_obj); |
a0d12916 | 274 | } |
7f800dc7 PP |
275 | ret = bt_ctf_trace_set_environment_field(trace, name, |
276 | env_value_string_obj); | |
277 | ||
278 | end: | |
83509119 | 279 | BT_PUT(env_value_string_obj); |
3487c9f3 JG |
280 | return ret; |
281 | } | |
282 | ||
7f800dc7 PP |
283 | int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace, |
284 | const char *name, int64_t value) | |
3487c9f3 | 285 | { |
3487c9f3 | 286 | int ret = 0; |
dac5c838 | 287 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 JG |
288 | |
289 | if (!trace || !name) { | |
290 | ret = -1; | |
7f800dc7 | 291 | goto end; |
3487c9f3 JG |
292 | } |
293 | ||
a0d12916 JG |
294 | if (trace->frozen) { |
295 | /* | |
296 | * New environment fields may be added to a frozen trace, | |
297 | * but existing fields may not be changed. | |
298 | */ | |
dac5c838 | 299 | struct bt_value *attribute = |
a0d12916 JG |
300 | bt_ctf_attributes_get_field_value_by_name( |
301 | trace->environment, name); | |
302 | ||
303 | if (attribute) { | |
83509119 | 304 | BT_PUT(attribute); |
a0d12916 JG |
305 | ret = -1; |
306 | goto end; | |
307 | } | |
308 | } | |
309 | ||
dac5c838 | 310 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 311 | if (!env_value_integer_obj) { |
3487c9f3 | 312 | ret = -1; |
7f800dc7 | 313 | goto end; |
3487c9f3 JG |
314 | } |
315 | ||
7f800dc7 PP |
316 | ret = bt_ctf_trace_set_environment_field(trace, name, |
317 | env_value_integer_obj); | |
a0d12916 | 318 | if (trace->frozen) { |
dac5c838 | 319 | bt_value_freeze(env_value_integer_obj); |
a0d12916 | 320 | } |
7f800dc7 | 321 | end: |
83509119 | 322 | BT_PUT(env_value_integer_obj); |
bc37ae52 JG |
323 | return ret; |
324 | } | |
325 | ||
e6fa2160 JG |
326 | int bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace) |
327 | { | |
328 | int ret = 0; | |
329 | ||
330 | if (!trace) { | |
331 | ret = -1; | |
332 | goto end; | |
333 | } | |
334 | ||
7f800dc7 | 335 | ret = bt_ctf_attributes_get_count(trace->environment); |
e6fa2160 | 336 | |
e6fa2160 | 337 | end: |
7f800dc7 | 338 | return ret; |
e6fa2160 JG |
339 | } |
340 | ||
341 | const char * | |
342 | bt_ctf_trace_get_environment_field_name(struct bt_ctf_trace *trace, | |
343 | int index) | |
344 | { | |
e6fa2160 JG |
345 | const char *ret = NULL; |
346 | ||
7f800dc7 | 347 | if (!trace) { |
e6fa2160 JG |
348 | goto end; |
349 | } | |
350 | ||
7f800dc7 PP |
351 | ret = bt_ctf_attributes_get_field_name(trace->environment, index); |
352 | ||
e6fa2160 JG |
353 | end: |
354 | return ret; | |
355 | } | |
356 | ||
dac5c838 | 357 | struct bt_value *bt_ctf_trace_get_environment_field_value( |
7f800dc7 | 358 | struct bt_ctf_trace *trace, int index) |
e6fa2160 | 359 | { |
dac5c838 | 360 | struct bt_value *ret = NULL; |
e6fa2160 | 361 | |
7f800dc7 | 362 | if (!trace) { |
e6fa2160 JG |
363 | goto end; |
364 | } | |
365 | ||
7f800dc7 PP |
366 | ret = bt_ctf_attributes_get_field_value(trace->environment, index); |
367 | ||
e6fa2160 JG |
368 | end: |
369 | return ret; | |
370 | } | |
371 | ||
dac5c838 | 372 | struct bt_value *bt_ctf_trace_get_environment_field_value_by_name( |
7f800dc7 | 373 | struct bt_ctf_trace *trace, const char *name) |
e6fa2160 | 374 | { |
dac5c838 | 375 | struct bt_value *ret = NULL; |
e6fa2160 | 376 | |
7f800dc7 | 377 | if (!trace || !name) { |
e6fa2160 JG |
378 | goto end; |
379 | } | |
380 | ||
7f800dc7 PP |
381 | ret = bt_ctf_attributes_get_field_value_by_name(trace->environment, |
382 | name); | |
383 | ||
e6fa2160 JG |
384 | end: |
385 | return ret; | |
386 | } | |
387 | ||
ac0c6bdd PP |
388 | int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace, |
389 | struct bt_ctf_clock_class *clock_class) | |
bc37ae52 JG |
390 | { |
391 | int ret = 0; | |
ac0c6bdd | 392 | struct search_query query = { .value = clock_class, .found = 0 }; |
bc37ae52 | 393 | |
ac0c6bdd | 394 | if (!trace || !bt_ctf_clock_class_is_valid(clock_class)) { |
bc37ae52 JG |
395 | ret = -1; |
396 | goto end; | |
397 | } | |
398 | ||
ac0c6bdd | 399 | /* Check for duplicate clock classes */ |
bc37ae52 JG |
400 | g_ptr_array_foreach(trace->clocks, value_exists, &query); |
401 | if (query.found) { | |
402 | ret = -1; | |
403 | goto end; | |
404 | } | |
405 | ||
ac0c6bdd PP |
406 | bt_get(clock_class); |
407 | g_ptr_array_add(trace->clocks, clock_class); | |
cfeb617e | 408 | |
6474e016 | 409 | if (trace->frozen) { |
ac0c6bdd | 410 | bt_ctf_clock_class_freeze(clock_class); |
6474e016 | 411 | } |
bc37ae52 JG |
412 | end: |
413 | return ret; | |
414 | } | |
415 | ||
ac0c6bdd | 416 | int bt_ctf_trace_get_clock_class_count(struct bt_ctf_trace *trace) |
884cd6c3 JG |
417 | { |
418 | int ret = -1; | |
419 | ||
420 | if (!trace) { | |
421 | goto end; | |
422 | } | |
423 | ||
424 | ret = trace->clocks->len; | |
425 | end: | |
426 | return ret; | |
427 | } | |
428 | ||
ac0c6bdd PP |
429 | struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class( |
430 | struct bt_ctf_trace *trace, int index) | |
884cd6c3 | 431 | { |
ac0c6bdd | 432 | struct bt_ctf_clock_class *clock_class = NULL; |
884cd6c3 JG |
433 | |
434 | if (!trace || index < 0 || index >= trace->clocks->len) { | |
435 | goto end; | |
436 | } | |
437 | ||
ac0c6bdd PP |
438 | clock_class = g_ptr_array_index(trace->clocks, index); |
439 | bt_get(clock_class); | |
884cd6c3 | 440 | end: |
ac0c6bdd | 441 | return clock_class; |
884cd6c3 JG |
442 | } |
443 | ||
ef0c4a15 JG |
444 | int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace, |
445 | struct bt_ctf_stream_class *stream_class) | |
446 | { | |
447 | int ret, i; | |
448 | int64_t stream_id; | |
09840de5 PP |
449 | struct bt_ctf_validation_output trace_sc_validation_output = { 0 }; |
450 | struct bt_ctf_validation_output *ec_validation_outputs = NULL; | |
451 | const enum bt_ctf_validation_flag trace_sc_validation_flags = | |
452 | BT_CTF_VALIDATION_FLAG_TRACE | | |
453 | BT_CTF_VALIDATION_FLAG_STREAM; | |
454 | const enum bt_ctf_validation_flag ec_validation_flags = | |
455 | BT_CTF_VALIDATION_FLAG_EVENT; | |
456 | struct bt_ctf_field_type *packet_header_type = NULL; | |
457 | struct bt_ctf_field_type *packet_context_type = NULL; | |
458 | struct bt_ctf_field_type *event_header_type = NULL; | |
459 | struct bt_ctf_field_type *stream_event_ctx_type = NULL; | |
460 | int event_class_count; | |
2789e5d9 | 461 | struct bt_ctf_trace *current_parent_trace = NULL; |
ef0c4a15 JG |
462 | |
463 | if (!trace || !stream_class) { | |
464 | ret = -1; | |
465 | goto end; | |
466 | } | |
467 | ||
d490fcbe PP |
468 | /* |
469 | * At the end of this function we freeze the trace, so its | |
470 | * native byte order must NOT be BT_CTF_BYTE_ORDER_NATIVE. | |
471 | */ | |
472 | if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) { | |
473 | ret = -1; | |
474 | goto end; | |
475 | } | |
476 | ||
2789e5d9 JG |
477 | current_parent_trace = bt_ctf_stream_class_get_trace(stream_class); |
478 | if (current_parent_trace) { | |
479 | /* Stream class is already associated to a trace, abort. */ | |
480 | ret = -1; | |
481 | goto end; | |
482 | } | |
483 | ||
09840de5 PP |
484 | event_class_count = |
485 | bt_ctf_stream_class_get_event_class_count(stream_class); | |
486 | assert(event_class_count >= 0); | |
487 | ||
488 | /* Check for duplicate stream classes */ | |
ef0c4a15 JG |
489 | for (i = 0; i < trace->stream_classes->len; i++) { |
490 | if (trace->stream_classes->pdata[i] == stream_class) { | |
09840de5 | 491 | /* Stream class already registered to the trace */ |
ef0c4a15 JG |
492 | ret = -1; |
493 | goto end; | |
494 | } | |
495 | } | |
496 | ||
fe13b5c0 | 497 | if (stream_class->clock) { |
ac0c6bdd PP |
498 | struct bt_ctf_clock_class *stream_clock_class = |
499 | stream_class->clock->clock_class; | |
500 | ||
501 | if (trace->is_created_by_writer) { | |
502 | /* | |
503 | * Make sure this clock was also added to the | |
504 | * trace (potentially through its CTF writer | |
505 | * owner). | |
506 | */ | |
507 | size_t i; | |
508 | ||
509 | for (i = 0; i < trace->clocks->len; i++) { | |
510 | if (trace->clocks->pdata[i] == | |
511 | stream_clock_class) { | |
512 | /* Found! */ | |
513 | break; | |
514 | } | |
515 | } | |
516 | ||
517 | if (i == trace->clocks->len) { | |
518 | /* Not found */ | |
fe13b5c0 PP |
519 | ret = -1; |
520 | goto end; | |
521 | } | |
522 | } else { | |
ac0c6bdd PP |
523 | /* |
524 | * This trace was NOT created by a CTF writer, | |
525 | * thus do not allow the stream class to add to | |
526 | * have a clock at all. Those are two | |
527 | * independent APIs (non-writer and writer | |
528 | * APIs), and isolating them simplifies things. | |
529 | */ | |
530 | ret = -1; | |
531 | goto end; | |
fe13b5c0 PP |
532 | } |
533 | } | |
534 | ||
09840de5 PP |
535 | /* |
536 | * We're about to freeze both the trace and the stream class. | |
537 | * Also, each event class contained in this stream class are | |
538 | * already frozen. | |
539 | * | |
540 | * This trace, this stream class, and all its event classes | |
541 | * should be valid at this point. | |
542 | * | |
543 | * Validate trace and stream class first, then each event | |
544 | * class of this stream class can be validated individually. | |
545 | */ | |
546 | packet_header_type = | |
547 | bt_ctf_trace_get_packet_header_type(trace); | |
548 | packet_context_type = | |
549 | bt_ctf_stream_class_get_packet_context_type(stream_class); | |
550 | event_header_type = | |
551 | bt_ctf_stream_class_get_event_header_type(stream_class); | |
552 | stream_event_ctx_type = | |
553 | bt_ctf_stream_class_get_event_context_type(stream_class); | |
554 | ret = bt_ctf_validate_class_types(trace->environment, | |
555 | packet_header_type, packet_context_type, event_header_type, | |
556 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
557 | stream_class->valid, 1, &trace_sc_validation_output, | |
558 | trace_sc_validation_flags); | |
559 | BT_PUT(packet_header_type); | |
560 | BT_PUT(packet_context_type); | |
561 | BT_PUT(event_header_type); | |
562 | BT_PUT(stream_event_ctx_type); | |
563 | ||
2bd7f864 | 564 | if (ret) { |
09840de5 PP |
565 | /* |
566 | * This means something went wrong during the validation | |
567 | * process, not that the objects are invalid. | |
568 | */ | |
2bd7f864 JG |
569 | goto end; |
570 | } | |
571 | ||
09840de5 PP |
572 | if ((trace_sc_validation_output.valid_flags & |
573 | trace_sc_validation_flags) != | |
574 | trace_sc_validation_flags) { | |
575 | /* Invalid trace/stream class */ | |
576 | ret = -1; | |
577 | goto end; | |
578 | } | |
579 | ||
580 | if (event_class_count > 0) { | |
581 | ec_validation_outputs = g_new0(struct bt_ctf_validation_output, | |
582 | event_class_count); | |
583 | if (!ec_validation_outputs) { | |
584 | ret = -1; | |
585 | goto end; | |
586 | } | |
587 | } | |
588 | ||
589 | /* Validate each event class individually */ | |
6474e016 | 590 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
591 | struct bt_ctf_event_class *event_class = |
592 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
593 | struct bt_ctf_field_type *event_context_type = NULL; | |
594 | struct bt_ctf_field_type *event_payload_type = NULL; | |
595 | ||
596 | event_context_type = | |
597 | bt_ctf_event_class_get_context_type(event_class); | |
598 | event_payload_type = | |
599 | bt_ctf_event_class_get_payload_type(event_class); | |
600 | ||
601 | /* | |
602 | * It is important to use the field types returned by | |
603 | * the previous trace and stream class validation here | |
604 | * because copies could have been made. | |
605 | */ | |
606 | ret = bt_ctf_validate_class_types(trace->environment, | |
607 | trace_sc_validation_output.packet_header_type, | |
608 | trace_sc_validation_output.packet_context_type, | |
609 | trace_sc_validation_output.event_header_type, | |
610 | trace_sc_validation_output.stream_event_ctx_type, | |
611 | event_context_type, event_payload_type, | |
612 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
613 | ec_validation_flags); | |
614 | BT_PUT(event_context_type); | |
615 | BT_PUT(event_payload_type); | |
616 | BT_PUT(event_class); | |
617 | ||
618 | if (ret) { | |
619 | goto end; | |
620 | } | |
621 | ||
622 | if ((ec_validation_outputs[i].valid_flags & | |
623 | ec_validation_flags) != ec_validation_flags) { | |
624 | /* Invalid event class */ | |
625 | ret = -1; | |
626 | goto end; | |
627 | } | |
628 | } | |
629 | ||
ef0c4a15 JG |
630 | stream_id = bt_ctf_stream_class_get_id(stream_class); |
631 | if (stream_id < 0) { | |
632 | stream_id = trace->next_stream_id++; | |
633 | ||
634 | /* Try to assign a new stream id */ | |
635 | for (i = 0; i < trace->stream_classes->len; i++) { | |
636 | if (stream_id == bt_ctf_stream_class_get_id( | |
637 | trace->stream_classes->pdata[i])) { | |
638 | /* Duplicate stream id found */ | |
639 | ret = -1; | |
640 | goto end; | |
641 | } | |
642 | } | |
643 | ||
0ddffae5 JG |
644 | if (bt_ctf_stream_class_set_id_no_check(stream_class, |
645 | stream_id)) { | |
ef0c4a15 JG |
646 | /* TODO Should retry with a different stream id */ |
647 | ret = -1; | |
648 | goto end; | |
649 | } | |
650 | } | |
651 | ||
e6a8e8e4 | 652 | bt_object_set_parent(stream_class, trace); |
ef0c4a15 JG |
653 | g_ptr_array_add(trace->stream_classes, stream_class); |
654 | ||
655 | /* | |
09840de5 PP |
656 | * At this point we know that the function will be successful. |
657 | * Therefore we can replace the trace and stream class field | |
658 | * types with what's in their validation output structure and | |
659 | * mark them as valid. We can also replace the field types of | |
660 | * all the event classes of the stream class and mark them as | |
661 | * valid. | |
662 | */ | |
663 | bt_ctf_validation_replace_types(trace, stream_class, NULL, | |
664 | &trace_sc_validation_output, trace_sc_validation_flags); | |
665 | trace->valid = 1; | |
666 | stream_class->valid = 1; | |
667 | ||
668 | /* | |
669 | * Put what was not moved in bt_ctf_validation_replace_types(). | |
670 | */ | |
671 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
672 | ||
6474e016 | 673 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
674 | struct bt_ctf_event_class *event_class = |
675 | bt_ctf_stream_class_get_event_class(stream_class, i); | |
676 | ||
677 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
678 | &ec_validation_outputs[i], ec_validation_flags); | |
679 | event_class->valid = 1; | |
680 | BT_PUT(event_class); | |
681 | ||
682 | /* | |
683 | * Put what was not moved in | |
684 | * bt_ctf_validation_replace_types(). | |
685 | */ | |
686 | bt_ctf_validation_output_put_types(&ec_validation_outputs[i]); | |
687 | } | |
688 | ||
09840de5 PP |
689 | /* |
690 | * Freeze the trace and the stream class. | |
691 | */ | |
f67f3a6e | 692 | bt_ctf_stream_class_freeze(stream_class); |
09840de5 PP |
693 | bt_ctf_trace_freeze(trace); |
694 | ||
9b888ff3 JG |
695 | /* Notifiy listeners of the trace's schema modification. */ |
696 | bt_ctf_stream_class_visit(stream_class, | |
d9a13d86 | 697 | bt_ctf_trace_object_modification, trace); |
ef0c4a15 | 698 | end: |
d3814b54 | 699 | if (ret) { |
e6a8e8e4 | 700 | bt_object_set_parent(stream_class, NULL); |
09840de5 PP |
701 | |
702 | if (ec_validation_outputs) { | |
6474e016 | 703 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
704 | bt_ctf_validation_output_put_types( |
705 | &ec_validation_outputs[i]); | |
706 | } | |
707 | } | |
d3814b54 | 708 | } |
09840de5 PP |
709 | |
710 | g_free(ec_validation_outputs); | |
711 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
2789e5d9 | 712 | bt_put(current_parent_trace); |
09840de5 PP |
713 | assert(!packet_header_type); |
714 | assert(!packet_context_type); | |
715 | assert(!event_header_type); | |
716 | assert(!stream_event_ctx_type); | |
717 | ||
ef0c4a15 JG |
718 | return ret; |
719 | } | |
720 | ||
721 | int bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace) | |
722 | { | |
723 | int ret; | |
724 | ||
725 | if (!trace) { | |
726 | ret = -1; | |
727 | goto end; | |
728 | } | |
729 | ||
730 | ret = trace->stream_classes->len; | |
731 | end: | |
732 | return ret; | |
733 | } | |
734 | ||
735 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class( | |
736 | struct bt_ctf_trace *trace, int index) | |
737 | { | |
738 | struct bt_ctf_stream_class *stream_class = NULL; | |
739 | ||
740 | if (!trace || index < 0 || index >= trace->stream_classes->len) { | |
741 | goto end; | |
742 | } | |
743 | ||
744 | stream_class = g_ptr_array_index(trace->stream_classes, index); | |
83509119 | 745 | bt_get(stream_class); |
ef0c4a15 JG |
746 | end: |
747 | return stream_class; | |
748 | } | |
749 | ||
4841ccc1 PP |
750 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id( |
751 | struct bt_ctf_trace *trace, uint32_t id) | |
752 | { | |
753 | int i; | |
754 | struct bt_ctf_stream_class *stream_class = NULL; | |
755 | ||
756 | if (!trace) { | |
757 | goto end; | |
758 | } | |
759 | ||
6474e016 | 760 | for (i = 0; i < trace->stream_classes->len; i++) { |
4841ccc1 PP |
761 | struct bt_ctf_stream_class *stream_class_candidate; |
762 | ||
763 | stream_class_candidate = | |
764 | g_ptr_array_index(trace->stream_classes, i); | |
765 | ||
766 | if (bt_ctf_stream_class_get_id(stream_class_candidate) == | |
767 | (int64_t) id) { | |
768 | stream_class = stream_class_candidate; | |
83509119 | 769 | bt_get(stream_class); |
4841ccc1 PP |
770 | goto end; |
771 | } | |
772 | } | |
773 | ||
774 | end: | |
775 | return stream_class; | |
776 | } | |
777 | ||
ac0c6bdd | 778 | struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name( |
7e4347a3 PP |
779 | struct bt_ctf_trace *trace, const char *name) |
780 | { | |
781 | size_t i; | |
ac0c6bdd | 782 | struct bt_ctf_clock_class *clock_class = NULL; |
7e4347a3 PP |
783 | |
784 | if (!trace || !name) { | |
785 | goto end; | |
786 | } | |
787 | ||
6474e016 | 788 | for (i = 0; i < trace->clocks->len; i++) { |
ac0c6bdd | 789 | struct bt_ctf_clock_class *cur_clk = |
7e4347a3 | 790 | g_ptr_array_index(trace->clocks, i); |
ac0c6bdd | 791 | const char *cur_clk_name = bt_ctf_clock_class_get_name(cur_clk); |
7e4347a3 PP |
792 | |
793 | if (!cur_clk_name) { | |
794 | goto end; | |
795 | } | |
796 | ||
797 | if (!strcmp(cur_clk_name, name)) { | |
ac0c6bdd PP |
798 | clock_class = cur_clk; |
799 | bt_get(clock_class); | |
7e4347a3 PP |
800 | goto end; |
801 | } | |
802 | } | |
803 | ||
804 | end: | |
ac0c6bdd | 805 | return clock_class; |
7e4347a3 PP |
806 | } |
807 | ||
bc37ae52 | 808 | BT_HIDDEN |
dc3fffef | 809 | const char *get_byte_order_string(enum bt_ctf_byte_order byte_order) |
bc37ae52 JG |
810 | { |
811 | const char *string; | |
812 | ||
813 | switch (byte_order) { | |
dc3fffef | 814 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: |
bc37ae52 JG |
815 | string = "le"; |
816 | break; | |
dc3fffef | 817 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: |
bc37ae52 JG |
818 | string = "be"; |
819 | break; | |
dc3fffef PP |
820 | case BT_CTF_BYTE_ORDER_NATIVE: |
821 | string = "native"; | |
bc37ae52 | 822 | break; |
dc3fffef PP |
823 | default: |
824 | assert(false); | |
bc37ae52 JG |
825 | } |
826 | ||
827 | return string; | |
828 | } | |
829 | ||
830 | static | |
831 | int append_trace_metadata(struct bt_ctf_trace *trace, | |
832 | struct metadata_context *context) | |
833 | { | |
834 | unsigned char *uuid = trace->uuid; | |
835 | int ret; | |
836 | ||
837 | g_string_append(context->string, "trace {\n"); | |
838 | ||
839 | g_string_append(context->string, "\tmajor = 1;\n"); | |
840 | g_string_append(context->string, "\tminor = 8;\n"); | |
dc3fffef PP |
841 | assert(trace->native_byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN || |
842 | trace->native_byte_order == BT_CTF_BYTE_ORDER_BIG_ENDIAN || | |
843 | trace->native_byte_order == BT_CTF_BYTE_ORDER_NETWORK); | |
bc37ae52 JG |
844 | g_string_append_printf(context->string, |
845 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
846 | uuid[0], uuid[1], uuid[2], uuid[3], | |
847 | uuid[4], uuid[5], uuid[6], uuid[7], | |
848 | uuid[8], uuid[9], uuid[10], uuid[11], | |
849 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
850 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", | |
dc3fffef | 851 | get_byte_order_string(trace->native_byte_order)); |
bc37ae52 JG |
852 | |
853 | g_string_append(context->string, "\tpacket.header := "); | |
854 | context->current_indentation_level++; | |
855 | g_string_assign(context->field_name, ""); | |
d246b111 | 856 | ret = bt_ctf_field_type_serialize(trace->packet_header_type, |
bc37ae52 JG |
857 | context); |
858 | if (ret) { | |
859 | goto end; | |
860 | } | |
861 | context->current_indentation_level--; | |
862 | ||
863 | g_string_append(context->string, ";\n};\n\n"); | |
864 | end: | |
865 | return ret; | |
866 | } | |
867 | ||
bc37ae52 JG |
868 | static |
869 | void append_env_metadata(struct bt_ctf_trace *trace, | |
870 | struct metadata_context *context) | |
871 | { | |
7f800dc7 PP |
872 | int i; |
873 | int env_size; | |
874 | ||
875 | env_size = bt_ctf_attributes_get_count(trace->environment); | |
876 | ||
877 | if (env_size <= 0) { | |
bc37ae52 JG |
878 | return; |
879 | } | |
880 | ||
881 | g_string_append(context->string, "env {\n"); | |
7f800dc7 | 882 | |
6474e016 | 883 | for (i = 0; i < env_size; i++) { |
dac5c838 | 884 | struct bt_value *env_field_value_obj = NULL; |
7f800dc7 | 885 | const char *entry_name; |
7f800dc7 PP |
886 | |
887 | entry_name = bt_ctf_attributes_get_field_name( | |
888 | trace->environment, i); | |
889 | env_field_value_obj = bt_ctf_attributes_get_field_value( | |
890 | trace->environment, i); | |
891 | ||
892 | if (!entry_name || !env_field_value_obj) { | |
893 | goto loop_next; | |
894 | } | |
895 | ||
dac5c838 PP |
896 | switch (bt_value_get_type(env_field_value_obj)) { |
897 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
898 | { |
899 | int ret; | |
900 | int64_t int_value; | |
901 | ||
dac5c838 | 902 | ret = bt_value_integer_get(env_field_value_obj, |
7f800dc7 PP |
903 | &int_value); |
904 | ||
905 | if (ret) { | |
906 | goto loop_next; | |
907 | } | |
908 | ||
909 | g_string_append_printf(context->string, | |
910 | "\t%s = %" PRId64 ";\n", entry_name, | |
911 | int_value); | |
912 | break; | |
b8248cc0 | 913 | } |
dac5c838 | 914 | case BT_VALUE_TYPE_STRING: |
7f800dc7 PP |
915 | { |
916 | int ret; | |
917 | const char *str_value; | |
918 | char *escaped_str = NULL; | |
919 | ||
dac5c838 | 920 | ret = bt_value_string_get(env_field_value_obj, |
7f800dc7 PP |
921 | &str_value); |
922 | ||
923 | if (ret) { | |
924 | goto loop_next; | |
925 | } | |
926 | ||
927 | escaped_str = g_strescape(str_value, NULL); | |
928 | ||
929 | if (!escaped_str) { | |
930 | goto loop_next; | |
931 | } | |
932 | ||
933 | g_string_append_printf(context->string, | |
934 | "\t%s = \"%s\";\n", entry_name, escaped_str); | |
935 | free(escaped_str); | |
936 | break; | |
937 | } | |
938 | ||
939 | default: | |
940 | goto loop_next; | |
941 | } | |
942 | ||
943 | loop_next: | |
83509119 | 944 | BT_PUT(env_field_value_obj); |
7f800dc7 PP |
945 | } |
946 | ||
bc37ae52 JG |
947 | g_string_append(context->string, "};\n\n"); |
948 | } | |
949 | ||
950 | char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace) | |
951 | { | |
952 | char *metadata = NULL; | |
953 | struct metadata_context *context = NULL; | |
954 | int err = 0; | |
955 | size_t i; | |
956 | ||
957 | if (!trace) { | |
958 | goto end; | |
959 | } | |
960 | ||
961 | context = g_new0(struct metadata_context, 1); | |
962 | if (!context) { | |
963 | goto end; | |
964 | } | |
965 | ||
966 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
967 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
968 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
969 | if (append_trace_metadata(trace, context)) { | |
970 | goto error; | |
971 | } | |
972 | append_env_metadata(trace, context); | |
973 | g_ptr_array_foreach(trace->clocks, | |
ac0c6bdd | 974 | (GFunc)bt_ctf_clock_class_serialize, context); |
bc37ae52 JG |
975 | |
976 | for (i = 0; i < trace->stream_classes->len; i++) { | |
977 | err = bt_ctf_stream_class_serialize( | |
978 | trace->stream_classes->pdata[i], context); | |
979 | if (err) { | |
980 | goto error; | |
981 | } | |
982 | } | |
983 | ||
984 | metadata = context->string->str; | |
985 | error: | |
986 | g_string_free(context->string, err ? TRUE : FALSE); | |
987 | g_string_free(context->field_name, TRUE); | |
988 | g_free(context); | |
989 | end: | |
990 | return metadata; | |
991 | } | |
992 | ||
4ed90fb3 JG |
993 | enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace) |
994 | { | |
995 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
996 | ||
997 | if (!trace) { | |
998 | goto end; | |
999 | } | |
1000 | ||
dc3fffef PP |
1001 | ret = trace->native_byte_order; |
1002 | ||
4ed90fb3 JG |
1003 | end: |
1004 | return ret; | |
1005 | } | |
1006 | ||
391c8f0d | 1007 | int bt_ctf_trace_set_native_byte_order(struct bt_ctf_trace *trace, |
bc37ae52 JG |
1008 | enum bt_ctf_byte_order byte_order) |
1009 | { | |
1010 | int ret = 0; | |
bc37ae52 JG |
1011 | |
1012 | if (!trace || trace->frozen) { | |
1013 | ret = -1; | |
1014 | goto end; | |
1015 | } | |
1016 | ||
dc3fffef PP |
1017 | if (byte_order != BT_CTF_BYTE_ORDER_LITTLE_ENDIAN && |
1018 | byte_order != BT_CTF_BYTE_ORDER_BIG_ENDIAN && | |
1019 | byte_order != BT_CTF_BYTE_ORDER_NETWORK) { | |
bc37ae52 JG |
1020 | ret = -1; |
1021 | goto end; | |
1022 | } | |
1023 | ||
dc3fffef PP |
1024 | trace->native_byte_order = byte_order; |
1025 | ||
bc37ae52 JG |
1026 | end: |
1027 | return ret; | |
1028 | } | |
1029 | ||
d246b111 JG |
1030 | struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type( |
1031 | struct bt_ctf_trace *trace) | |
1032 | { | |
1033 | struct bt_ctf_field_type *field_type = NULL; | |
1034 | ||
1035 | if (!trace) { | |
1036 | goto end; | |
1037 | } | |
1038 | ||
83509119 | 1039 | bt_get(trace->packet_header_type); |
d246b111 JG |
1040 | field_type = trace->packet_header_type; |
1041 | end: | |
1042 | return field_type; | |
1043 | } | |
1044 | ||
1045 | int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace, | |
1046 | struct bt_ctf_field_type *packet_header_type) | |
1047 | { | |
1048 | int ret = 0; | |
1049 | ||
835b2d10 | 1050 | if (!trace || trace->frozen) { |
d246b111 JG |
1051 | ret = -1; |
1052 | goto end; | |
1053 | } | |
1054 | ||
835b2d10 JG |
1055 | /* packet_header_type must be a structure. */ |
1056 | if (packet_header_type && | |
1057 | bt_ctf_field_type_get_type_id(packet_header_type) != | |
1487a16a | 1058 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
d246b111 JG |
1059 | ret = -1; |
1060 | goto end; | |
1061 | } | |
1062 | ||
83509119 | 1063 | bt_put(trace->packet_header_type); |
835b2d10 | 1064 | trace->packet_header_type = bt_get(packet_header_type); |
d246b111 JG |
1065 | end: |
1066 | return ret; | |
1067 | } | |
1068 | ||
8bf65fbd JG |
1069 | static |
1070 | int get_stream_class_count(void *element) | |
1071 | { | |
1072 | return bt_ctf_trace_get_stream_class_count( | |
1073 | (struct bt_ctf_trace *) element); | |
1074 | } | |
1075 | ||
1076 | static | |
1077 | void *get_stream_class(void *element, int i) | |
1078 | { | |
1079 | return bt_ctf_trace_get_stream_class( | |
1080 | (struct bt_ctf_trace *) element, i); | |
1081 | } | |
1082 | ||
1083 | static | |
d9a13d86 | 1084 | int visit_stream_class(void *object, bt_ctf_visitor visitor,void *data) |
8bf65fbd | 1085 | { |
d9a13d86 | 1086 | return bt_ctf_stream_class_visit(object, visitor, data); |
8bf65fbd JG |
1087 | } |
1088 | ||
1089 | int bt_ctf_trace_visit(struct bt_ctf_trace *trace, | |
d9a13d86 | 1090 | bt_ctf_visitor visitor, void *data) |
8bf65fbd JG |
1091 | { |
1092 | int ret; | |
d9a13d86 PP |
1093 | struct bt_ctf_object obj = |
1094 | { .object = trace, .type = BT_CTF_OBJECT_TYPE_TRACE }; | |
8bf65fbd JG |
1095 | |
1096 | if (!trace || !visitor) { | |
1097 | ret = -1; | |
1098 | goto end; | |
1099 | } | |
1100 | ||
d9a13d86 | 1101 | ret = visitor_helper(&obj, get_stream_class_count, |
8bf65fbd JG |
1102 | get_stream_class, visit_stream_class, visitor, data); |
1103 | end: | |
1104 | return ret; | |
1105 | } | |
1106 | ||
1107 | static | |
d9a13d86 | 1108 | int invoke_listener(struct bt_ctf_object *object, void *data) |
8bf65fbd | 1109 | { |
9b888ff3 | 1110 | struct listener_wrapper *listener_wrapper = data; |
8bf65fbd | 1111 | |
d9a13d86 | 1112 | listener_wrapper->listener(object, listener_wrapper->data); |
9b888ff3 | 1113 | return 0; |
8bf65fbd JG |
1114 | } |
1115 | ||
50ad4244 JG |
1116 | int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace, |
1117 | bt_ctf_listener_cb listener, void *listener_data) | |
2204c381 JG |
1118 | { |
1119 | int ret = 0; | |
50ad4244 JG |
1120 | struct listener_wrapper *listener_wrapper = |
1121 | g_new0(struct listener_wrapper, 1); | |
2204c381 | 1122 | |
50ad4244 | 1123 | if (!trace || !listener || !listener_wrapper) { |
2204c381 JG |
1124 | ret = -1; |
1125 | goto error; | |
1126 | } | |
1127 | ||
50ad4244 JG |
1128 | listener_wrapper->listener = listener; |
1129 | listener_wrapper->data = listener_data; | |
8bf65fbd | 1130 | |
50ad4244 | 1131 | /* Visit the current schema. */ |
9b888ff3 | 1132 | ret = bt_ctf_trace_visit(trace, invoke_listener, listener_wrapper); |
8bf65fbd JG |
1133 | if (ret) { |
1134 | goto error; | |
1135 | } | |
1136 | ||
50ad4244 JG |
1137 | /* |
1138 | * Add listener to the array of callbacks which will be invoked on | |
1139 | * schema changes. | |
1140 | */ | |
1141 | g_ptr_array_add(trace->listeners, listener_wrapper); | |
2204c381 JG |
1142 | return ret; |
1143 | error: | |
50ad4244 | 1144 | g_free(listener_wrapper); |
2204c381 JG |
1145 | return ret; |
1146 | } | |
1147 | ||
bc37ae52 | 1148 | BT_HIDDEN |
d9a13d86 | 1149 | int bt_ctf_trace_object_modification(struct bt_ctf_object *object, |
9b888ff3 JG |
1150 | void *trace_ptr) |
1151 | { | |
1152 | size_t i; | |
1153 | struct bt_ctf_trace *trace = trace_ptr; | |
1154 | ||
1155 | assert(trace); | |
d9a13d86 | 1156 | assert(object); |
9b888ff3 JG |
1157 | |
1158 | if (trace->listeners->len == 0) { | |
1159 | goto end; | |
1160 | } | |
1161 | ||
1162 | for (i = 0; i < trace->listeners->len; i++) { | |
1163 | struct listener_wrapper *listener = | |
1164 | g_ptr_array_index(trace->listeners, i); | |
1165 | ||
d9a13d86 | 1166 | listener->listener(object, listener->data); |
9b888ff3 JG |
1167 | } |
1168 | end: | |
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | BT_HIDDEN | |
bc37ae52 JG |
1173 | struct bt_ctf_field_type *get_field_type(enum field_type_alias alias) |
1174 | { | |
a25e0d14 | 1175 | int ret; |
bc37ae52 | 1176 | unsigned int alignment, size; |
8bdcb82e | 1177 | struct bt_ctf_field_type *field_type = NULL; |
bc37ae52 JG |
1178 | |
1179 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
8bdcb82e | 1180 | goto end; |
bc37ae52 JG |
1181 | } |
1182 | ||
1183 | alignment = field_type_aliases_alignments[alias]; | |
1184 | size = field_type_aliases_sizes[alias]; | |
1185 | field_type = bt_ctf_field_type_integer_create(size); | |
a25e0d14 JG |
1186 | ret = bt_ctf_field_type_set_alignment(field_type, alignment); |
1187 | if (ret) { | |
1188 | BT_PUT(field_type); | |
1189 | } | |
8bdcb82e | 1190 | end: |
bc37ae52 JG |
1191 | return field_type; |
1192 | } | |
1193 | ||
f67f3a6e | 1194 | static |
09840de5 | 1195 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace) |
f67f3a6e | 1196 | { |
6474e016 PP |
1197 | int i; |
1198 | ||
09840de5 | 1199 | bt_ctf_field_type_freeze(trace->packet_header_type); |
f67f3a6e | 1200 | bt_ctf_attributes_freeze(trace->environment); |
6474e016 PP |
1201 | |
1202 | for (i = 0; i < trace->clocks->len; i++) { | |
ac0c6bdd | 1203 | struct bt_ctf_clock_class *clock_class = |
6474e016 PP |
1204 | g_ptr_array_index(trace->clocks, i); |
1205 | ||
ac0c6bdd | 1206 | bt_ctf_clock_class_freeze(clock_class); |
6474e016 PP |
1207 | } |
1208 | ||
f67f3a6e JG |
1209 | trace->frozen = 1; |
1210 | } | |
1211 | ||
bc37ae52 JG |
1212 | static |
1213 | int init_trace_packet_header(struct bt_ctf_trace *trace) | |
1214 | { | |
bc37ae52 | 1215 | int ret = 0; |
d246b111 | 1216 | struct bt_ctf_field *magic = NULL, *uuid_array = NULL; |
bc37ae52 JG |
1217 | struct bt_ctf_field_type *_uint32_t = |
1218 | get_field_type(FIELD_TYPE_ALIAS_UINT32_T); | |
1219 | struct bt_ctf_field_type *_uint8_t = | |
1220 | get_field_type(FIELD_TYPE_ALIAS_UINT8_T); | |
1221 | struct bt_ctf_field_type *trace_packet_header_type = | |
1222 | bt_ctf_field_type_structure_create(); | |
1223 | struct bt_ctf_field_type *uuid_array_type = | |
1224 | bt_ctf_field_type_array_create(_uint8_t, 16); | |
1225 | ||
1226 | if (!trace_packet_header_type || !uuid_array_type) { | |
1227 | ret = -1; | |
1228 | goto end; | |
1229 | } | |
1230 | ||
bc37ae52 JG |
1231 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, |
1232 | _uint32_t, "magic"); | |
1233 | if (ret) { | |
1234 | goto end; | |
1235 | } | |
1236 | ||
1237 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1238 | uuid_array_type, "uuid"); | |
1239 | if (ret) { | |
1240 | goto end; | |
1241 | } | |
1242 | ||
1243 | ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type, | |
1244 | _uint32_t, "stream_id"); | |
1245 | if (ret) { | |
1246 | goto end; | |
1247 | } | |
1248 | ||
662e778c JG |
1249 | ret = bt_ctf_trace_set_packet_header_type(trace, |
1250 | trace_packet_header_type); | |
1251 | if (ret) { | |
1252 | goto end; | |
1253 | } | |
bc37ae52 | 1254 | end: |
83509119 JG |
1255 | bt_put(uuid_array_type); |
1256 | bt_put(_uint32_t); | |
1257 | bt_put(_uint8_t); | |
1258 | bt_put(magic); | |
1259 | bt_put(uuid_array); | |
1260 | bt_put(trace_packet_header_type); | |
bc37ae52 JG |
1261 | return ret; |
1262 | } |