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> |
3d9990ac | 43 | #include <babeltrace/compiler-internal.h> |
dac5c838 | 44 | #include <babeltrace/values.h> |
83509119 | 45 | #include <babeltrace/ref.h> |
c55a9f58 | 46 | #include <babeltrace/types.h> |
3d9990ac | 47 | #include <babeltrace/endian-internal.h> |
dc3fffef | 48 | #include <inttypes.h> |
544d0515 | 49 | #include <stdint.h> |
4a32fda0 | 50 | #include <string.h> |
bc37ae52 JG |
51 | |
52 | #define DEFAULT_IDENTIFIER_SIZE 128 | |
53 | #define DEFAULT_METADATA_STRING_SIZE 4096 | |
54 | ||
50ad4244 JG |
55 | struct listener_wrapper { |
56 | bt_ctf_listener_cb listener; | |
2204c381 JG |
57 | void *data; |
58 | }; | |
59 | ||
bc37ae52 | 60 | static |
83509119 | 61 | void bt_ctf_trace_destroy(struct bt_object *obj); |
bc37ae52 | 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; | |
488e09a7 | 86 | struct bt_ctf_field_type *packet_header_type = NULL; |
bc37ae52 JG |
87 | |
88 | trace = g_new0(struct bt_ctf_trace, 1); | |
89 | if (!trace) { | |
90 | goto error; | |
91 | } | |
92 | ||
391c8f0d | 93 | trace->native_byte_order = BT_CTF_BYTE_ORDER_NATIVE; |
83509119 | 94 | bt_object_init(trace, bt_ctf_trace_destroy); |
bc37ae52 | 95 | trace->clocks = g_ptr_array_new_with_free_func( |
83509119 | 96 | (GDestroyNotify) bt_put); |
bc37ae52 | 97 | trace->streams = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 98 | (GDestroyNotify) bt_object_release); |
bc37ae52 | 99 | trace->stream_classes = g_ptr_array_new_with_free_func( |
e6a8e8e4 | 100 | (GDestroyNotify) bt_object_release); |
7f800dc7 | 101 | if (!trace->clocks || !trace->stream_classes || !trace->streams) { |
83509119 | 102 | goto error; |
bc37ae52 JG |
103 | } |
104 | ||
488e09a7 PP |
105 | packet_header_type = bt_ctf_field_type_structure_create(); |
106 | if (!packet_header_type) { | |
83509119 | 107 | goto error; |
bc37ae52 JG |
108 | } |
109 | ||
488e09a7 PP |
110 | BT_MOVE(trace->packet_header_type, packet_header_type); |
111 | ||
7f800dc7 PP |
112 | /* Create the environment array object */ |
113 | trace->environment = bt_ctf_attributes_create(); | |
114 | if (!trace->environment) { | |
83509119 | 115 | goto error; |
7f800dc7 PP |
116 | } |
117 | ||
9b888ff3 JG |
118 | trace->listeners = g_ptr_array_new_with_free_func( |
119 | (GDestroyNotify) g_free); | |
120 | if (!trace->listeners) { | |
121 | goto error; | |
122 | } | |
123 | ||
bc37ae52 JG |
124 | return trace; |
125 | ||
bc37ae52 | 126 | error: |
83509119 | 127 | BT_PUT(trace); |
488e09a7 | 128 | bt_put(packet_header_type); |
bc37ae52 JG |
129 | return trace; |
130 | } | |
131 | ||
e96045d4 JG |
132 | const char *bt_ctf_trace_get_name(struct bt_ctf_trace *trace) |
133 | { | |
134 | const char *name = NULL; | |
135 | ||
136 | if (!trace || !trace->name) { | |
137 | goto end; | |
138 | } | |
139 | ||
140 | name = trace->name->str; | |
141 | end: | |
142 | return name; | |
143 | } | |
144 | ||
145 | int bt_ctf_trace_set_name(struct bt_ctf_trace *trace, const char *name) | |
146 | { | |
147 | int ret = 0; | |
148 | ||
149 | if (!trace || !name || trace->frozen) { | |
150 | ret = -1; | |
151 | goto end; | |
152 | } | |
153 | ||
154 | trace->name = trace->name ? g_string_assign(trace->name, name) : | |
155 | g_string_new(name); | |
156 | if (!trace->name) { | |
157 | ret = -1; | |
158 | goto end; | |
159 | } | |
160 | end: | |
161 | return ret; | |
162 | } | |
163 | ||
4a32fda0 PP |
164 | const unsigned char *bt_ctf_trace_get_uuid(struct bt_ctf_trace *trace) |
165 | { | |
166 | return trace && trace->uuid_set ? trace->uuid : NULL; | |
167 | } | |
168 | ||
169 | int bt_ctf_trace_set_uuid(struct bt_ctf_trace *trace, const unsigned char *uuid) | |
170 | { | |
171 | int ret = 0; | |
172 | ||
173 | if (!trace || !uuid || trace->frozen) { | |
174 | ret = -1; | |
175 | goto end; | |
176 | } | |
177 | ||
178 | memcpy(trace->uuid, uuid, sizeof(uuid_t)); | |
c55a9f58 | 179 | trace->uuid_set = BT_TRUE; |
4a32fda0 PP |
180 | |
181 | end: | |
182 | return ret; | |
183 | } | |
184 | ||
83509119 | 185 | void bt_ctf_trace_destroy(struct bt_object *obj) |
bc37ae52 JG |
186 | { |
187 | struct bt_ctf_trace *trace; | |
bc37ae52 | 188 | |
83509119 | 189 | trace = container_of(obj, struct bt_ctf_trace, base); |
bc37ae52 | 190 | if (trace->environment) { |
7f800dc7 | 191 | bt_ctf_attributes_destroy(trace->environment); |
bc37ae52 JG |
192 | } |
193 | ||
e96045d4 JG |
194 | if (trace->name) { |
195 | g_string_free(trace->name, TRUE); | |
196 | } | |
197 | ||
bc37ae52 JG |
198 | if (trace->clocks) { |
199 | g_ptr_array_free(trace->clocks, TRUE); | |
200 | } | |
201 | ||
202 | if (trace->streams) { | |
203 | g_ptr_array_free(trace->streams, TRUE); | |
204 | } | |
205 | ||
206 | if (trace->stream_classes) { | |
207 | g_ptr_array_free(trace->stream_classes, TRUE); | |
208 | } | |
209 | ||
9b888ff3 JG |
210 | if (trace->listeners) { |
211 | g_ptr_array_free(trace->listeners, TRUE); | |
212 | } | |
213 | ||
83509119 | 214 | bt_put(trace->packet_header_type); |
bc37ae52 JG |
215 | g_free(trace); |
216 | } | |
217 | ||
7f800dc7 | 218 | int bt_ctf_trace_set_environment_field(struct bt_ctf_trace *trace, |
dac5c838 | 219 | const char *name, struct bt_value *value) |
bc37ae52 | 220 | { |
bc37ae52 JG |
221 | int ret = 0; |
222 | ||
a0d12916 | 223 | if (!trace || !name || !value || |
7f800dc7 | 224 | bt_ctf_validate_identifier(name) || |
dac5c838 | 225 | !(bt_value_is_integer(value) || bt_value_is_string(value))) { |
bc37ae52 | 226 | ret = -1; |
7f800dc7 | 227 | goto end; |
bc37ae52 JG |
228 | } |
229 | ||
230 | if (strchr(name, ' ')) { | |
231 | ret = -1; | |
7f800dc7 | 232 | goto end; |
bc37ae52 JG |
233 | } |
234 | ||
a0d12916 JG |
235 | if (trace->frozen) { |
236 | /* | |
237 | * New environment fields may be added to a frozen trace, | |
238 | * but existing fields may not be changed. | |
239 | * | |
240 | * The object passed is frozen like all other attributes. | |
241 | */ | |
dac5c838 | 242 | struct bt_value *attribute = |
a0d12916 JG |
243 | bt_ctf_attributes_get_field_value_by_name( |
244 | trace->environment, name); | |
245 | ||
246 | if (attribute) { | |
83509119 | 247 | BT_PUT(attribute); |
a0d12916 JG |
248 | ret = -1; |
249 | goto end; | |
250 | } | |
251 | ||
dac5c838 | 252 | bt_value_freeze(value); |
a0d12916 JG |
253 | } |
254 | ||
7f800dc7 PP |
255 | ret = bt_ctf_attributes_set_field_value(trace->environment, name, |
256 | value); | |
bc37ae52 | 257 | |
7f800dc7 PP |
258 | end: |
259 | return ret; | |
260 | } | |
bc37ae52 | 261 | |
7f800dc7 PP |
262 | int bt_ctf_trace_set_environment_field_string(struct bt_ctf_trace *trace, |
263 | const char *name, const char *value) | |
264 | { | |
265 | int ret = 0; | |
dac5c838 | 266 | struct bt_value *env_value_string_obj = NULL; |
7f800dc7 PP |
267 | |
268 | if (!trace || !name || !value) { | |
bc37ae52 | 269 | ret = -1; |
7f800dc7 | 270 | goto end; |
bc37ae52 JG |
271 | } |
272 | ||
a0d12916 JG |
273 | if (trace->frozen) { |
274 | /* | |
275 | * New environment fields may be added to a frozen trace, | |
276 | * but existing fields may not be changed. | |
277 | */ | |
dac5c838 | 278 | struct bt_value *attribute = |
a0d12916 JG |
279 | bt_ctf_attributes_get_field_value_by_name( |
280 | trace->environment, name); | |
281 | ||
282 | if (attribute) { | |
83509119 | 283 | BT_PUT(attribute); |
a0d12916 JG |
284 | ret = -1; |
285 | goto end; | |
286 | } | |
287 | } | |
288 | ||
dac5c838 | 289 | env_value_string_obj = bt_value_string_create_init(value); |
bc37ae52 | 290 | |
7f800dc7 PP |
291 | if (!env_value_string_obj) { |
292 | ret = -1; | |
293 | goto end; | |
bc37ae52 JG |
294 | } |
295 | ||
a0d12916 | 296 | if (trace->frozen) { |
dac5c838 | 297 | bt_value_freeze(env_value_string_obj); |
a0d12916 | 298 | } |
7f800dc7 PP |
299 | ret = bt_ctf_trace_set_environment_field(trace, name, |
300 | env_value_string_obj); | |
301 | ||
302 | end: | |
83509119 | 303 | BT_PUT(env_value_string_obj); |
3487c9f3 JG |
304 | return ret; |
305 | } | |
306 | ||
7f800dc7 PP |
307 | int bt_ctf_trace_set_environment_field_integer(struct bt_ctf_trace *trace, |
308 | const char *name, int64_t value) | |
3487c9f3 | 309 | { |
3487c9f3 | 310 | int ret = 0; |
dac5c838 | 311 | struct bt_value *env_value_integer_obj = NULL; |
3487c9f3 JG |
312 | |
313 | if (!trace || !name) { | |
314 | ret = -1; | |
7f800dc7 | 315 | goto end; |
3487c9f3 JG |
316 | } |
317 | ||
a0d12916 JG |
318 | if (trace->frozen) { |
319 | /* | |
320 | * New environment fields may be added to a frozen trace, | |
321 | * but existing fields may not be changed. | |
322 | */ | |
dac5c838 | 323 | struct bt_value *attribute = |
a0d12916 JG |
324 | bt_ctf_attributes_get_field_value_by_name( |
325 | trace->environment, name); | |
326 | ||
327 | if (attribute) { | |
83509119 | 328 | BT_PUT(attribute); |
a0d12916 JG |
329 | ret = -1; |
330 | goto end; | |
331 | } | |
332 | } | |
333 | ||
dac5c838 | 334 | env_value_integer_obj = bt_value_integer_create_init(value); |
7f800dc7 | 335 | if (!env_value_integer_obj) { |
3487c9f3 | 336 | ret = -1; |
7f800dc7 | 337 | goto end; |
3487c9f3 JG |
338 | } |
339 | ||
7f800dc7 PP |
340 | ret = bt_ctf_trace_set_environment_field(trace, name, |
341 | env_value_integer_obj); | |
a0d12916 | 342 | if (trace->frozen) { |
dac5c838 | 343 | bt_value_freeze(env_value_integer_obj); |
a0d12916 | 344 | } |
7f800dc7 | 345 | end: |
83509119 | 346 | BT_PUT(env_value_integer_obj); |
bc37ae52 JG |
347 | return ret; |
348 | } | |
349 | ||
544d0515 | 350 | int64_t bt_ctf_trace_get_environment_field_count(struct bt_ctf_trace *trace) |
e6fa2160 | 351 | { |
544d0515 | 352 | int64_t ret = 0; |
e6fa2160 JG |
353 | |
354 | if (!trace) { | |
9ac68eb1 | 355 | ret = (int64_t) -1; |
e6fa2160 JG |
356 | goto end; |
357 | } | |
358 | ||
7f800dc7 | 359 | ret = bt_ctf_attributes_get_count(trace->environment); |
e6fa2160 | 360 | |
e6fa2160 | 361 | end: |
7f800dc7 | 362 | return ret; |
e6fa2160 JG |
363 | } |
364 | ||
365 | const char * | |
9ac68eb1 PP |
366 | bt_ctf_trace_get_environment_field_name_by_index(struct bt_ctf_trace *trace, |
367 | uint64_t index) | |
e6fa2160 | 368 | { |
e6fa2160 JG |
369 | const char *ret = NULL; |
370 | ||
7f800dc7 | 371 | if (!trace) { |
e6fa2160 JG |
372 | goto end; |
373 | } | |
374 | ||
7f800dc7 PP |
375 | ret = bt_ctf_attributes_get_field_name(trace->environment, index); |
376 | ||
e6fa2160 JG |
377 | end: |
378 | return ret; | |
379 | } | |
380 | ||
9ac68eb1 PP |
381 | struct bt_value *bt_ctf_trace_get_environment_field_value_by_index( |
382 | struct bt_ctf_trace *trace, uint64_t index) | |
e6fa2160 | 383 | { |
dac5c838 | 384 | struct bt_value *ret = NULL; |
e6fa2160 | 385 | |
7f800dc7 | 386 | if (!trace) { |
e6fa2160 JG |
387 | goto end; |
388 | } | |
389 | ||
7f800dc7 PP |
390 | ret = bt_ctf_attributes_get_field_value(trace->environment, index); |
391 | ||
e6fa2160 JG |
392 | end: |
393 | return ret; | |
394 | } | |
395 | ||
dac5c838 | 396 | struct bt_value *bt_ctf_trace_get_environment_field_value_by_name( |
7f800dc7 | 397 | struct bt_ctf_trace *trace, const char *name) |
e6fa2160 | 398 | { |
dac5c838 | 399 | struct bt_value *ret = NULL; |
e6fa2160 | 400 | |
7f800dc7 | 401 | if (!trace || !name) { |
e6fa2160 JG |
402 | goto end; |
403 | } | |
404 | ||
7f800dc7 PP |
405 | ret = bt_ctf_attributes_get_field_value_by_name(trace->environment, |
406 | name); | |
407 | ||
e6fa2160 JG |
408 | end: |
409 | return ret; | |
410 | } | |
411 | ||
ac0c6bdd PP |
412 | int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace, |
413 | struct bt_ctf_clock_class *clock_class) | |
bc37ae52 JG |
414 | { |
415 | int ret = 0; | |
bc37ae52 | 416 | |
5acf2ae6 PP |
417 | if (!trace || trace->is_static || |
418 | !bt_ctf_clock_class_is_valid(clock_class)) { | |
bc37ae52 JG |
419 | ret = -1; |
420 | goto end; | |
421 | } | |
422 | ||
ac0c6bdd | 423 | /* Check for duplicate clock classes */ |
c9d90a34 | 424 | if (bt_ctf_trace_has_clock_class(trace, clock_class)) { |
bc37ae52 JG |
425 | ret = -1; |
426 | goto end; | |
427 | } | |
428 | ||
ac0c6bdd PP |
429 | bt_get(clock_class); |
430 | g_ptr_array_add(trace->clocks, clock_class); | |
cfeb617e | 431 | |
6474e016 | 432 | if (trace->frozen) { |
ac0c6bdd | 433 | bt_ctf_clock_class_freeze(clock_class); |
6474e016 | 434 | } |
bc37ae52 JG |
435 | end: |
436 | return ret; | |
437 | } | |
438 | ||
544d0515 | 439 | int64_t bt_ctf_trace_get_clock_class_count(struct bt_ctf_trace *trace) |
884cd6c3 | 440 | { |
9ac68eb1 | 441 | int64_t ret = (int64_t) -1; |
884cd6c3 JG |
442 | |
443 | if (!trace) { | |
444 | goto end; | |
445 | } | |
446 | ||
447 | ret = trace->clocks->len; | |
448 | end: | |
449 | return ret; | |
450 | } | |
451 | ||
9ac68eb1 PP |
452 | struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_index( |
453 | struct bt_ctf_trace *trace, uint64_t index) | |
884cd6c3 | 454 | { |
ac0c6bdd | 455 | struct bt_ctf_clock_class *clock_class = NULL; |
884cd6c3 | 456 | |
9ac68eb1 | 457 | if (!trace || index >= trace->clocks->len) { |
884cd6c3 JG |
458 | goto end; |
459 | } | |
460 | ||
ac0c6bdd PP |
461 | clock_class = g_ptr_array_index(trace->clocks, index); |
462 | bt_get(clock_class); | |
884cd6c3 | 463 | end: |
ac0c6bdd | 464 | return clock_class; |
884cd6c3 JG |
465 | } |
466 | ||
ef0c4a15 JG |
467 | int bt_ctf_trace_add_stream_class(struct bt_ctf_trace *trace, |
468 | struct bt_ctf_stream_class *stream_class) | |
469 | { | |
544d0515 PP |
470 | int ret; |
471 | int64_t i; | |
ef0c4a15 | 472 | int64_t stream_id; |
09840de5 PP |
473 | struct bt_ctf_validation_output trace_sc_validation_output = { 0 }; |
474 | struct bt_ctf_validation_output *ec_validation_outputs = NULL; | |
475 | const enum bt_ctf_validation_flag trace_sc_validation_flags = | |
476 | BT_CTF_VALIDATION_FLAG_TRACE | | |
477 | BT_CTF_VALIDATION_FLAG_STREAM; | |
478 | const enum bt_ctf_validation_flag ec_validation_flags = | |
479 | BT_CTF_VALIDATION_FLAG_EVENT; | |
480 | struct bt_ctf_field_type *packet_header_type = NULL; | |
481 | struct bt_ctf_field_type *packet_context_type = NULL; | |
482 | struct bt_ctf_field_type *event_header_type = NULL; | |
483 | struct bt_ctf_field_type *stream_event_ctx_type = NULL; | |
544d0515 | 484 | int64_t event_class_count; |
2789e5d9 | 485 | struct bt_ctf_trace *current_parent_trace = NULL; |
ef0c4a15 | 486 | |
5acf2ae6 | 487 | if (!trace || !stream_class || trace->is_static) { |
ef0c4a15 JG |
488 | ret = -1; |
489 | goto end; | |
490 | } | |
491 | ||
d490fcbe PP |
492 | /* |
493 | * At the end of this function we freeze the trace, so its | |
494 | * native byte order must NOT be BT_CTF_BYTE_ORDER_NATIVE. | |
495 | */ | |
496 | if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) { | |
497 | ret = -1; | |
498 | goto end; | |
499 | } | |
500 | ||
2789e5d9 JG |
501 | current_parent_trace = bt_ctf_stream_class_get_trace(stream_class); |
502 | if (current_parent_trace) { | |
503 | /* Stream class is already associated to a trace, abort. */ | |
504 | ret = -1; | |
505 | goto end; | |
506 | } | |
507 | ||
09840de5 PP |
508 | event_class_count = |
509 | bt_ctf_stream_class_get_event_class_count(stream_class); | |
510 | assert(event_class_count >= 0); | |
511 | ||
512 | /* Check for duplicate stream classes */ | |
ef0c4a15 JG |
513 | for (i = 0; i < trace->stream_classes->len; i++) { |
514 | if (trace->stream_classes->pdata[i] == stream_class) { | |
09840de5 | 515 | /* Stream class already registered to the trace */ |
ef0c4a15 JG |
516 | ret = -1; |
517 | goto end; | |
518 | } | |
519 | } | |
520 | ||
fe13b5c0 | 521 | if (stream_class->clock) { |
ac0c6bdd PP |
522 | struct bt_ctf_clock_class *stream_clock_class = |
523 | stream_class->clock->clock_class; | |
524 | ||
525 | if (trace->is_created_by_writer) { | |
526 | /* | |
527 | * Make sure this clock was also added to the | |
528 | * trace (potentially through its CTF writer | |
529 | * owner). | |
530 | */ | |
531 | size_t i; | |
532 | ||
533 | for (i = 0; i < trace->clocks->len; i++) { | |
534 | if (trace->clocks->pdata[i] == | |
535 | stream_clock_class) { | |
536 | /* Found! */ | |
537 | break; | |
538 | } | |
539 | } | |
540 | ||
541 | if (i == trace->clocks->len) { | |
542 | /* Not found */ | |
fe13b5c0 PP |
543 | ret = -1; |
544 | goto end; | |
545 | } | |
546 | } else { | |
ac0c6bdd PP |
547 | /* |
548 | * This trace was NOT created by a CTF writer, | |
549 | * thus do not allow the stream class to add to | |
550 | * have a clock at all. Those are two | |
551 | * independent APIs (non-writer and writer | |
552 | * APIs), and isolating them simplifies things. | |
553 | */ | |
554 | ret = -1; | |
555 | goto end; | |
fe13b5c0 PP |
556 | } |
557 | } | |
558 | ||
09840de5 PP |
559 | /* |
560 | * We're about to freeze both the trace and the stream class. | |
561 | * Also, each event class contained in this stream class are | |
562 | * already frozen. | |
563 | * | |
564 | * This trace, this stream class, and all its event classes | |
565 | * should be valid at this point. | |
566 | * | |
567 | * Validate trace and stream class first, then each event | |
568 | * class of this stream class can be validated individually. | |
569 | */ | |
570 | packet_header_type = | |
571 | bt_ctf_trace_get_packet_header_type(trace); | |
572 | packet_context_type = | |
573 | bt_ctf_stream_class_get_packet_context_type(stream_class); | |
574 | event_header_type = | |
575 | bt_ctf_stream_class_get_event_header_type(stream_class); | |
576 | stream_event_ctx_type = | |
577 | bt_ctf_stream_class_get_event_context_type(stream_class); | |
578 | ret = bt_ctf_validate_class_types(trace->environment, | |
579 | packet_header_type, packet_context_type, event_header_type, | |
580 | stream_event_ctx_type, NULL, NULL, trace->valid, | |
581 | stream_class->valid, 1, &trace_sc_validation_output, | |
582 | trace_sc_validation_flags); | |
583 | BT_PUT(packet_header_type); | |
584 | BT_PUT(packet_context_type); | |
585 | BT_PUT(event_header_type); | |
586 | BT_PUT(stream_event_ctx_type); | |
587 | ||
2bd7f864 | 588 | if (ret) { |
09840de5 PP |
589 | /* |
590 | * This means something went wrong during the validation | |
591 | * process, not that the objects are invalid. | |
592 | */ | |
2bd7f864 JG |
593 | goto end; |
594 | } | |
595 | ||
09840de5 PP |
596 | if ((trace_sc_validation_output.valid_flags & |
597 | trace_sc_validation_flags) != | |
598 | trace_sc_validation_flags) { | |
599 | /* Invalid trace/stream class */ | |
600 | ret = -1; | |
601 | goto end; | |
602 | } | |
603 | ||
604 | if (event_class_count > 0) { | |
605 | ec_validation_outputs = g_new0(struct bt_ctf_validation_output, | |
606 | event_class_count); | |
607 | if (!ec_validation_outputs) { | |
608 | ret = -1; | |
609 | goto end; | |
610 | } | |
611 | } | |
612 | ||
613 | /* Validate each event class individually */ | |
6474e016 | 614 | for (i = 0; i < event_class_count; i++) { |
09840de5 | 615 | struct bt_ctf_event_class *event_class = |
9ac68eb1 PP |
616 | bt_ctf_stream_class_get_event_class_by_index( |
617 | stream_class, i); | |
09840de5 PP |
618 | struct bt_ctf_field_type *event_context_type = NULL; |
619 | struct bt_ctf_field_type *event_payload_type = NULL; | |
620 | ||
621 | event_context_type = | |
622 | bt_ctf_event_class_get_context_type(event_class); | |
623 | event_payload_type = | |
624 | bt_ctf_event_class_get_payload_type(event_class); | |
625 | ||
626 | /* | |
627 | * It is important to use the field types returned by | |
628 | * the previous trace and stream class validation here | |
629 | * because copies could have been made. | |
630 | */ | |
631 | ret = bt_ctf_validate_class_types(trace->environment, | |
632 | trace_sc_validation_output.packet_header_type, | |
633 | trace_sc_validation_output.packet_context_type, | |
634 | trace_sc_validation_output.event_header_type, | |
635 | trace_sc_validation_output.stream_event_ctx_type, | |
636 | event_context_type, event_payload_type, | |
637 | 1, 1, event_class->valid, &ec_validation_outputs[i], | |
638 | ec_validation_flags); | |
639 | BT_PUT(event_context_type); | |
640 | BT_PUT(event_payload_type); | |
641 | BT_PUT(event_class); | |
642 | ||
643 | if (ret) { | |
644 | goto end; | |
645 | } | |
646 | ||
647 | if ((ec_validation_outputs[i].valid_flags & | |
648 | ec_validation_flags) != ec_validation_flags) { | |
649 | /* Invalid event class */ | |
650 | ret = -1; | |
651 | goto end; | |
652 | } | |
653 | } | |
654 | ||
ef0c4a15 JG |
655 | stream_id = bt_ctf_stream_class_get_id(stream_class); |
656 | if (stream_id < 0) { | |
657 | stream_id = trace->next_stream_id++; | |
9ac68eb1 PP |
658 | if (stream_id < 0) { |
659 | ret = -1; | |
660 | goto end; | |
661 | } | |
ef0c4a15 JG |
662 | |
663 | /* Try to assign a new stream id */ | |
664 | for (i = 0; i < trace->stream_classes->len; i++) { | |
665 | if (stream_id == bt_ctf_stream_class_get_id( | |
666 | trace->stream_classes->pdata[i])) { | |
667 | /* Duplicate stream id found */ | |
668 | ret = -1; | |
669 | goto end; | |
670 | } | |
671 | } | |
672 | ||
0ddffae5 JG |
673 | if (bt_ctf_stream_class_set_id_no_check(stream_class, |
674 | stream_id)) { | |
ef0c4a15 JG |
675 | /* TODO Should retry with a different stream id */ |
676 | ret = -1; | |
677 | goto end; | |
678 | } | |
679 | } | |
680 | ||
e6a8e8e4 | 681 | bt_object_set_parent(stream_class, trace); |
ef0c4a15 JG |
682 | g_ptr_array_add(trace->stream_classes, stream_class); |
683 | ||
684 | /* | |
09840de5 PP |
685 | * At this point we know that the function will be successful. |
686 | * Therefore we can replace the trace and stream class field | |
687 | * types with what's in their validation output structure and | |
688 | * mark them as valid. We can also replace the field types of | |
689 | * all the event classes of the stream class and mark them as | |
690 | * valid. | |
691 | */ | |
692 | bt_ctf_validation_replace_types(trace, stream_class, NULL, | |
693 | &trace_sc_validation_output, trace_sc_validation_flags); | |
694 | trace->valid = 1; | |
695 | stream_class->valid = 1; | |
696 | ||
697 | /* | |
698 | * Put what was not moved in bt_ctf_validation_replace_types(). | |
699 | */ | |
700 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
701 | ||
6474e016 | 702 | for (i = 0; i < event_class_count; i++) { |
09840de5 | 703 | struct bt_ctf_event_class *event_class = |
9ac68eb1 PP |
704 | bt_ctf_stream_class_get_event_class_by_index( |
705 | stream_class, i); | |
09840de5 PP |
706 | |
707 | bt_ctf_validation_replace_types(NULL, NULL, event_class, | |
708 | &ec_validation_outputs[i], ec_validation_flags); | |
709 | event_class->valid = 1; | |
710 | BT_PUT(event_class); | |
711 | ||
712 | /* | |
713 | * Put what was not moved in | |
714 | * bt_ctf_validation_replace_types(). | |
715 | */ | |
716 | bt_ctf_validation_output_put_types(&ec_validation_outputs[i]); | |
717 | } | |
718 | ||
09840de5 PP |
719 | /* |
720 | * Freeze the trace and the stream class. | |
721 | */ | |
f67f3a6e | 722 | bt_ctf_stream_class_freeze(stream_class); |
09840de5 PP |
723 | bt_ctf_trace_freeze(trace); |
724 | ||
9b888ff3 JG |
725 | /* Notifiy listeners of the trace's schema modification. */ |
726 | bt_ctf_stream_class_visit(stream_class, | |
d9a13d86 | 727 | bt_ctf_trace_object_modification, trace); |
ef0c4a15 | 728 | end: |
d3814b54 | 729 | if (ret) { |
e6a8e8e4 | 730 | bt_object_set_parent(stream_class, NULL); |
09840de5 PP |
731 | |
732 | if (ec_validation_outputs) { | |
6474e016 | 733 | for (i = 0; i < event_class_count; i++) { |
09840de5 PP |
734 | bt_ctf_validation_output_put_types( |
735 | &ec_validation_outputs[i]); | |
736 | } | |
737 | } | |
d3814b54 | 738 | } |
09840de5 PP |
739 | |
740 | g_free(ec_validation_outputs); | |
741 | bt_ctf_validation_output_put_types(&trace_sc_validation_output); | |
2789e5d9 | 742 | bt_put(current_parent_trace); |
09840de5 PP |
743 | assert(!packet_header_type); |
744 | assert(!packet_context_type); | |
745 | assert(!event_header_type); | |
746 | assert(!stream_event_ctx_type); | |
747 | ||
ef0c4a15 JG |
748 | return ret; |
749 | } | |
750 | ||
544d0515 | 751 | int64_t bt_ctf_trace_get_stream_count(struct bt_ctf_trace *trace) |
c1e730fe | 752 | { |
544d0515 | 753 | int64_t ret; |
c1e730fe PP |
754 | |
755 | if (!trace) { | |
9ac68eb1 | 756 | ret = (int64_t) -1; |
c1e730fe PP |
757 | goto end; |
758 | } | |
759 | ||
9ac68eb1 | 760 | ret = (int64_t) trace->streams->len; |
c1e730fe PP |
761 | |
762 | end: | |
763 | return ret; | |
764 | } | |
765 | ||
9ac68eb1 PP |
766 | struct bt_ctf_stream *bt_ctf_trace_get_stream_by_index( |
767 | struct bt_ctf_trace *trace, | |
768 | uint64_t index) | |
c1e730fe PP |
769 | { |
770 | struct bt_ctf_stream *stream = NULL; | |
771 | ||
772 | if (!trace || index >= trace->streams->len) { | |
773 | goto end; | |
774 | } | |
775 | ||
776 | stream = bt_get(g_ptr_array_index(trace->streams, index)); | |
777 | ||
778 | end: | |
779 | return stream; | |
780 | } | |
781 | ||
544d0515 | 782 | int64_t bt_ctf_trace_get_stream_class_count(struct bt_ctf_trace *trace) |
ef0c4a15 | 783 | { |
544d0515 | 784 | int64_t ret; |
ef0c4a15 JG |
785 | |
786 | if (!trace) { | |
9ac68eb1 | 787 | ret = (int64_t) -1; |
ef0c4a15 JG |
788 | goto end; |
789 | } | |
790 | ||
9ac68eb1 | 791 | ret = (int64_t) trace->stream_classes->len; |
ef0c4a15 JG |
792 | end: |
793 | return ret; | |
794 | } | |
795 | ||
9ac68eb1 PP |
796 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_index( |
797 | struct bt_ctf_trace *trace, uint64_t index) | |
ef0c4a15 JG |
798 | { |
799 | struct bt_ctf_stream_class *stream_class = NULL; | |
800 | ||
9ac68eb1 | 801 | if (!trace || index >= trace->stream_classes->len) { |
ef0c4a15 JG |
802 | goto end; |
803 | } | |
804 | ||
805 | stream_class = g_ptr_array_index(trace->stream_classes, index); | |
83509119 | 806 | bt_get(stream_class); |
ef0c4a15 JG |
807 | end: |
808 | return stream_class; | |
809 | } | |
810 | ||
4841ccc1 | 811 | struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id( |
9ac68eb1 | 812 | struct bt_ctf_trace *trace, uint64_t id_param) |
4841ccc1 PP |
813 | { |
814 | int i; | |
815 | struct bt_ctf_stream_class *stream_class = NULL; | |
9ac68eb1 | 816 | int64_t id = (int64_t) id_param; |
4841ccc1 | 817 | |
9ac68eb1 | 818 | if (!trace || id < 0) { |
4841ccc1 PP |
819 | goto end; |
820 | } | |
821 | ||
6474e016 | 822 | for (i = 0; i < trace->stream_classes->len; i++) { |
4841ccc1 PP |
823 | struct bt_ctf_stream_class *stream_class_candidate; |
824 | ||
825 | stream_class_candidate = | |
826 | g_ptr_array_index(trace->stream_classes, i); | |
827 | ||
828 | if (bt_ctf_stream_class_get_id(stream_class_candidate) == | |
829 | (int64_t) id) { | |
830 | stream_class = stream_class_candidate; | |
83509119 | 831 | bt_get(stream_class); |
4841ccc1 PP |
832 | goto end; |
833 | } | |
834 | } | |
835 | ||
836 | end: | |
837 | return stream_class; | |
838 | } | |
839 | ||
ac0c6bdd | 840 | struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name( |
7e4347a3 PP |
841 | struct bt_ctf_trace *trace, const char *name) |
842 | { | |
843 | size_t i; | |
ac0c6bdd | 844 | struct bt_ctf_clock_class *clock_class = NULL; |
7e4347a3 PP |
845 | |
846 | if (!trace || !name) { | |
847 | goto end; | |
848 | } | |
849 | ||
6474e016 | 850 | for (i = 0; i < trace->clocks->len; i++) { |
ac0c6bdd | 851 | struct bt_ctf_clock_class *cur_clk = |
7e4347a3 | 852 | g_ptr_array_index(trace->clocks, i); |
ac0c6bdd | 853 | const char *cur_clk_name = bt_ctf_clock_class_get_name(cur_clk); |
7e4347a3 PP |
854 | |
855 | if (!cur_clk_name) { | |
856 | goto end; | |
857 | } | |
858 | ||
859 | if (!strcmp(cur_clk_name, name)) { | |
ac0c6bdd PP |
860 | clock_class = cur_clk; |
861 | bt_get(clock_class); | |
7e4347a3 PP |
862 | goto end; |
863 | } | |
864 | } | |
865 | ||
866 | end: | |
ac0c6bdd | 867 | return clock_class; |
7e4347a3 PP |
868 | } |
869 | ||
c9d90a34 | 870 | BT_HIDDEN |
c55a9f58 | 871 | bt_bool bt_ctf_trace_has_clock_class(struct bt_ctf_trace *trace, |
c9d90a34 PP |
872 | struct bt_ctf_clock_class *clock_class) |
873 | { | |
874 | struct search_query query = { .value = clock_class, .found = 0 }; | |
875 | ||
876 | assert(trace); | |
877 | assert(clock_class); | |
878 | ||
879 | g_ptr_array_foreach(trace->clocks, value_exists, &query); | |
880 | return query.found; | |
881 | } | |
882 | ||
bc37ae52 | 883 | BT_HIDDEN |
dc3fffef | 884 | const char *get_byte_order_string(enum bt_ctf_byte_order byte_order) |
bc37ae52 JG |
885 | { |
886 | const char *string; | |
887 | ||
888 | switch (byte_order) { | |
dc3fffef | 889 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: |
bc37ae52 JG |
890 | string = "le"; |
891 | break; | |
dc3fffef | 892 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: |
bc37ae52 JG |
893 | string = "be"; |
894 | break; | |
dc3fffef PP |
895 | case BT_CTF_BYTE_ORDER_NATIVE: |
896 | string = "native"; | |
bc37ae52 | 897 | break; |
dc3fffef | 898 | default: |
c55a9f58 | 899 | assert(BT_FALSE); |
bc37ae52 JG |
900 | } |
901 | ||
902 | return string; | |
903 | } | |
904 | ||
905 | static | |
906 | int append_trace_metadata(struct bt_ctf_trace *trace, | |
907 | struct metadata_context *context) | |
908 | { | |
909 | unsigned char *uuid = trace->uuid; | |
910 | int ret; | |
911 | ||
4a32fda0 PP |
912 | if (trace->native_byte_order == BT_CTF_BYTE_ORDER_NATIVE) { |
913 | ret = -1; | |
914 | goto end; | |
915 | } | |
bc37ae52 | 916 | |
4a32fda0 | 917 | g_string_append(context->string, "trace {\n"); |
bc37ae52 JG |
918 | g_string_append(context->string, "\tmajor = 1;\n"); |
919 | g_string_append(context->string, "\tminor = 8;\n"); | |
dc3fffef PP |
920 | assert(trace->native_byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN || |
921 | trace->native_byte_order == BT_CTF_BYTE_ORDER_BIG_ENDIAN || | |
922 | trace->native_byte_order == BT_CTF_BYTE_ORDER_NETWORK); | |
4a32fda0 PP |
923 | |
924 | if (trace->uuid_set) { | |
925 | g_string_append_printf(context->string, | |
926 | "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n", | |
927 | uuid[0], uuid[1], uuid[2], uuid[3], | |
928 | uuid[4], uuid[5], uuid[6], uuid[7], | |
929 | uuid[8], uuid[9], uuid[10], uuid[11], | |
930 | uuid[12], uuid[13], uuid[14], uuid[15]); | |
931 | } | |
932 | ||
bc37ae52 | 933 | g_string_append_printf(context->string, "\tbyte_order = %s;\n", |
dc3fffef | 934 | get_byte_order_string(trace->native_byte_order)); |
bc37ae52 JG |
935 | |
936 | g_string_append(context->string, "\tpacket.header := "); | |
937 | context->current_indentation_level++; | |
938 | g_string_assign(context->field_name, ""); | |
d246b111 | 939 | ret = bt_ctf_field_type_serialize(trace->packet_header_type, |
bc37ae52 JG |
940 | context); |
941 | if (ret) { | |
942 | goto end; | |
943 | } | |
944 | context->current_indentation_level--; | |
945 | ||
946 | g_string_append(context->string, ";\n};\n\n"); | |
947 | end: | |
948 | return ret; | |
949 | } | |
950 | ||
bc37ae52 JG |
951 | static |
952 | void append_env_metadata(struct bt_ctf_trace *trace, | |
953 | struct metadata_context *context) | |
954 | { | |
544d0515 PP |
955 | int64_t i; |
956 | int64_t env_size; | |
7f800dc7 PP |
957 | |
958 | env_size = bt_ctf_attributes_get_count(trace->environment); | |
959 | ||
960 | if (env_size <= 0) { | |
bc37ae52 JG |
961 | return; |
962 | } | |
963 | ||
964 | g_string_append(context->string, "env {\n"); | |
7f800dc7 | 965 | |
6474e016 | 966 | for (i = 0; i < env_size; i++) { |
dac5c838 | 967 | struct bt_value *env_field_value_obj = NULL; |
7f800dc7 | 968 | const char *entry_name; |
7f800dc7 PP |
969 | |
970 | entry_name = bt_ctf_attributes_get_field_name( | |
971 | trace->environment, i); | |
972 | env_field_value_obj = bt_ctf_attributes_get_field_value( | |
973 | trace->environment, i); | |
974 | ||
975 | if (!entry_name || !env_field_value_obj) { | |
976 | goto loop_next; | |
977 | } | |
978 | ||
dac5c838 PP |
979 | switch (bt_value_get_type(env_field_value_obj)) { |
980 | case BT_VALUE_TYPE_INTEGER: | |
b8248cc0 PP |
981 | { |
982 | int ret; | |
983 | int64_t int_value; | |
984 | ||
dac5c838 | 985 | ret = bt_value_integer_get(env_field_value_obj, |
7f800dc7 PP |
986 | &int_value); |
987 | ||
988 | if (ret) { | |
989 | goto loop_next; | |
990 | } | |
991 | ||
992 | g_string_append_printf(context->string, | |
993 | "\t%s = %" PRId64 ";\n", entry_name, | |
994 | int_value); | |
995 | break; | |
b8248cc0 | 996 | } |
dac5c838 | 997 | case BT_VALUE_TYPE_STRING: |
7f800dc7 PP |
998 | { |
999 | int ret; | |
1000 | const char *str_value; | |
1001 | char *escaped_str = NULL; | |
1002 | ||
dac5c838 | 1003 | ret = bt_value_string_get(env_field_value_obj, |
7f800dc7 PP |
1004 | &str_value); |
1005 | ||
1006 | if (ret) { | |
1007 | goto loop_next; | |
1008 | } | |
1009 | ||
1010 | escaped_str = g_strescape(str_value, NULL); | |
1011 | ||
1012 | if (!escaped_str) { | |
1013 | goto loop_next; | |
1014 | } | |
1015 | ||
1016 | g_string_append_printf(context->string, | |
1017 | "\t%s = \"%s\";\n", entry_name, escaped_str); | |
1018 | free(escaped_str); | |
1019 | break; | |
1020 | } | |
1021 | ||
1022 | default: | |
1023 | goto loop_next; | |
1024 | } | |
1025 | ||
1026 | loop_next: | |
83509119 | 1027 | BT_PUT(env_field_value_obj); |
7f800dc7 PP |
1028 | } |
1029 | ||
bc37ae52 JG |
1030 | g_string_append(context->string, "};\n\n"); |
1031 | } | |
1032 | ||
1033 | char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace) | |
1034 | { | |
1035 | char *metadata = NULL; | |
1036 | struct metadata_context *context = NULL; | |
1037 | int err = 0; | |
1038 | size_t i; | |
1039 | ||
1040 | if (!trace) { | |
1041 | goto end; | |
1042 | } | |
1043 | ||
1044 | context = g_new0(struct metadata_context, 1); | |
1045 | if (!context) { | |
1046 | goto end; | |
1047 | } | |
1048 | ||
1049 | context->field_name = g_string_sized_new(DEFAULT_IDENTIFIER_SIZE); | |
1050 | context->string = g_string_sized_new(DEFAULT_METADATA_STRING_SIZE); | |
1051 | g_string_append(context->string, "/* CTF 1.8 */\n\n"); | |
1052 | if (append_trace_metadata(trace, context)) { | |
1053 | goto error; | |
1054 | } | |
1055 | append_env_metadata(trace, context); | |
1056 | g_ptr_array_foreach(trace->clocks, | |
ac0c6bdd | 1057 | (GFunc)bt_ctf_clock_class_serialize, context); |
bc37ae52 JG |
1058 | |
1059 | for (i = 0; i < trace->stream_classes->len; i++) { | |
1060 | err = bt_ctf_stream_class_serialize( | |
1061 | trace->stream_classes->pdata[i], context); | |
1062 | if (err) { | |
1063 | goto error; | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | metadata = context->string->str; | |
1068 | error: | |
1069 | g_string_free(context->string, err ? TRUE : FALSE); | |
1070 | g_string_free(context->field_name, TRUE); | |
1071 | g_free(context); | |
1072 | end: | |
1073 | return metadata; | |
1074 | } | |
1075 | ||
8a716c8d PP |
1076 | enum bt_ctf_byte_order bt_ctf_trace_get_native_byte_order( |
1077 | struct bt_ctf_trace *trace) | |
4ed90fb3 JG |
1078 | { |
1079 | enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN; | |
1080 | ||
1081 | if (!trace) { | |
1082 | goto end; | |
1083 | } | |
1084 | ||
dc3fffef PP |
1085 | ret = trace->native_byte_order; |
1086 | ||
4ed90fb3 JG |
1087 | end: |
1088 | return ret; | |
1089 | } | |
1090 | ||
391c8f0d | 1091 | int bt_ctf_trace_set_native_byte_order(struct bt_ctf_trace *trace, |
bc37ae52 JG |
1092 | enum bt_ctf_byte_order byte_order) |
1093 | { | |
1094 | int ret = 0; | |
bc37ae52 JG |
1095 | |
1096 | if (!trace || trace->frozen) { | |
1097 | ret = -1; | |
1098 | goto end; | |
1099 | } | |
1100 | ||
dc3fffef PP |
1101 | if (byte_order != BT_CTF_BYTE_ORDER_LITTLE_ENDIAN && |
1102 | byte_order != BT_CTF_BYTE_ORDER_BIG_ENDIAN && | |
1103 | byte_order != BT_CTF_BYTE_ORDER_NETWORK) { | |
bc37ae52 JG |
1104 | ret = -1; |
1105 | goto end; | |
1106 | } | |
1107 | ||
dc3fffef PP |
1108 | trace->native_byte_order = byte_order; |
1109 | ||
bc37ae52 JG |
1110 | end: |
1111 | return ret; | |
1112 | } | |
1113 | ||
d246b111 JG |
1114 | struct bt_ctf_field_type *bt_ctf_trace_get_packet_header_type( |
1115 | struct bt_ctf_trace *trace) | |
1116 | { | |
1117 | struct bt_ctf_field_type *field_type = NULL; | |
1118 | ||
1119 | if (!trace) { | |
1120 | goto end; | |
1121 | } | |
1122 | ||
83509119 | 1123 | bt_get(trace->packet_header_type); |
d246b111 JG |
1124 | field_type = trace->packet_header_type; |
1125 | end: | |
1126 | return field_type; | |
1127 | } | |
1128 | ||
1129 | int bt_ctf_trace_set_packet_header_type(struct bt_ctf_trace *trace, | |
1130 | struct bt_ctf_field_type *packet_header_type) | |
1131 | { | |
1132 | int ret = 0; | |
1133 | ||
835b2d10 | 1134 | if (!trace || trace->frozen) { |
d246b111 JG |
1135 | ret = -1; |
1136 | goto end; | |
1137 | } | |
1138 | ||
835b2d10 JG |
1139 | /* packet_header_type must be a structure. */ |
1140 | if (packet_header_type && | |
1141 | bt_ctf_field_type_get_type_id(packet_header_type) != | |
1487a16a | 1142 | BT_CTF_FIELD_TYPE_ID_STRUCT) { |
d246b111 JG |
1143 | ret = -1; |
1144 | goto end; | |
1145 | } | |
1146 | ||
83509119 | 1147 | bt_put(trace->packet_header_type); |
835b2d10 | 1148 | trace->packet_header_type = bt_get(packet_header_type); |
d246b111 JG |
1149 | end: |
1150 | return ret; | |
1151 | } | |
1152 | ||
8bf65fbd | 1153 | static |
544d0515 | 1154 | int64_t get_stream_class_count(void *element) |
8bf65fbd JG |
1155 | { |
1156 | return bt_ctf_trace_get_stream_class_count( | |
1157 | (struct bt_ctf_trace *) element); | |
1158 | } | |
1159 | ||
1160 | static | |
1161 | void *get_stream_class(void *element, int i) | |
1162 | { | |
9ac68eb1 | 1163 | return bt_ctf_trace_get_stream_class_by_index( |
8bf65fbd JG |
1164 | (struct bt_ctf_trace *) element, i); |
1165 | } | |
1166 | ||
1167 | static | |
d9a13d86 | 1168 | int visit_stream_class(void *object, bt_ctf_visitor visitor,void *data) |
8bf65fbd | 1169 | { |
d9a13d86 | 1170 | return bt_ctf_stream_class_visit(object, visitor, data); |
8bf65fbd JG |
1171 | } |
1172 | ||
1173 | int bt_ctf_trace_visit(struct bt_ctf_trace *trace, | |
d9a13d86 | 1174 | bt_ctf_visitor visitor, void *data) |
8bf65fbd JG |
1175 | { |
1176 | int ret; | |
d9a13d86 PP |
1177 | struct bt_ctf_object obj = |
1178 | { .object = trace, .type = BT_CTF_OBJECT_TYPE_TRACE }; | |
8bf65fbd JG |
1179 | |
1180 | if (!trace || !visitor) { | |
1181 | ret = -1; | |
1182 | goto end; | |
1183 | } | |
1184 | ||
d9a13d86 | 1185 | ret = visitor_helper(&obj, get_stream_class_count, |
8bf65fbd JG |
1186 | get_stream_class, visit_stream_class, visitor, data); |
1187 | end: | |
1188 | return ret; | |
1189 | } | |
1190 | ||
1191 | static | |
d9a13d86 | 1192 | int invoke_listener(struct bt_ctf_object *object, void *data) |
8bf65fbd | 1193 | { |
9b888ff3 | 1194 | struct listener_wrapper *listener_wrapper = data; |
8bf65fbd | 1195 | |
d9a13d86 | 1196 | listener_wrapper->listener(object, listener_wrapper->data); |
9b888ff3 | 1197 | return 0; |
8bf65fbd JG |
1198 | } |
1199 | ||
50ad4244 JG |
1200 | int bt_ctf_trace_add_listener(struct bt_ctf_trace *trace, |
1201 | bt_ctf_listener_cb listener, void *listener_data) | |
2204c381 JG |
1202 | { |
1203 | int ret = 0; | |
50ad4244 JG |
1204 | struct listener_wrapper *listener_wrapper = |
1205 | g_new0(struct listener_wrapper, 1); | |
2204c381 | 1206 | |
50ad4244 | 1207 | if (!trace || !listener || !listener_wrapper) { |
2204c381 JG |
1208 | ret = -1; |
1209 | goto error; | |
1210 | } | |
1211 | ||
50ad4244 JG |
1212 | listener_wrapper->listener = listener; |
1213 | listener_wrapper->data = listener_data; | |
8bf65fbd | 1214 | |
50ad4244 | 1215 | /* Visit the current schema. */ |
9b888ff3 | 1216 | ret = bt_ctf_trace_visit(trace, invoke_listener, listener_wrapper); |
8bf65fbd JG |
1217 | if (ret) { |
1218 | goto error; | |
1219 | } | |
1220 | ||
50ad4244 JG |
1221 | /* |
1222 | * Add listener to the array of callbacks which will be invoked on | |
1223 | * schema changes. | |
1224 | */ | |
1225 | g_ptr_array_add(trace->listeners, listener_wrapper); | |
2204c381 JG |
1226 | return ret; |
1227 | error: | |
50ad4244 | 1228 | g_free(listener_wrapper); |
2204c381 JG |
1229 | return ret; |
1230 | } | |
1231 | ||
bc37ae52 | 1232 | BT_HIDDEN |
d9a13d86 | 1233 | int bt_ctf_trace_object_modification(struct bt_ctf_object *object, |
9b888ff3 JG |
1234 | void *trace_ptr) |
1235 | { | |
1236 | size_t i; | |
1237 | struct bt_ctf_trace *trace = trace_ptr; | |
1238 | ||
1239 | assert(trace); | |
d9a13d86 | 1240 | assert(object); |
9b888ff3 JG |
1241 | |
1242 | if (trace->listeners->len == 0) { | |
1243 | goto end; | |
1244 | } | |
1245 | ||
1246 | for (i = 0; i < trace->listeners->len; i++) { | |
1247 | struct listener_wrapper *listener = | |
1248 | g_ptr_array_index(trace->listeners, i); | |
1249 | ||
d9a13d86 | 1250 | listener->listener(object, listener->data); |
9b888ff3 JG |
1251 | } |
1252 | end: | |
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | BT_HIDDEN | |
bc37ae52 JG |
1257 | struct bt_ctf_field_type *get_field_type(enum field_type_alias alias) |
1258 | { | |
a25e0d14 | 1259 | int ret; |
bc37ae52 | 1260 | unsigned int alignment, size; |
8bdcb82e | 1261 | struct bt_ctf_field_type *field_type = NULL; |
bc37ae52 JG |
1262 | |
1263 | if (alias >= NR_FIELD_TYPE_ALIAS) { | |
8bdcb82e | 1264 | goto end; |
bc37ae52 JG |
1265 | } |
1266 | ||
1267 | alignment = field_type_aliases_alignments[alias]; | |
1268 | size = field_type_aliases_sizes[alias]; | |
1269 | field_type = bt_ctf_field_type_integer_create(size); | |
a25e0d14 JG |
1270 | ret = bt_ctf_field_type_set_alignment(field_type, alignment); |
1271 | if (ret) { | |
1272 | BT_PUT(field_type); | |
1273 | } | |
8bdcb82e | 1274 | end: |
bc37ae52 JG |
1275 | return field_type; |
1276 | } | |
1277 | ||
f67f3a6e | 1278 | static |
09840de5 | 1279 | void bt_ctf_trace_freeze(struct bt_ctf_trace *trace) |
f67f3a6e | 1280 | { |
6474e016 PP |
1281 | int i; |
1282 | ||
09840de5 | 1283 | bt_ctf_field_type_freeze(trace->packet_header_type); |
f67f3a6e | 1284 | bt_ctf_attributes_freeze(trace->environment); |
6474e016 PP |
1285 | |
1286 | for (i = 0; i < trace->clocks->len; i++) { | |
ac0c6bdd | 1287 | struct bt_ctf_clock_class *clock_class = |
6474e016 PP |
1288 | g_ptr_array_index(trace->clocks, i); |
1289 | ||
ac0c6bdd | 1290 | bt_ctf_clock_class_freeze(clock_class); |
6474e016 PP |
1291 | } |
1292 | ||
f67f3a6e JG |
1293 | trace->frozen = 1; |
1294 | } | |
1295 | ||
c55a9f58 | 1296 | bt_bool bt_ctf_trace_is_static(struct bt_ctf_trace *trace) |
5acf2ae6 | 1297 | { |
c55a9f58 | 1298 | bt_bool is_static = BT_FALSE; |
5acf2ae6 PP |
1299 | |
1300 | if (!trace) { | |
1301 | goto end; | |
1302 | } | |
1303 | ||
1304 | is_static = trace->is_static; | |
1305 | ||
1306 | end: | |
1307 | return is_static; | |
1308 | } | |
1309 | ||
1310 | int bt_ctf_trace_set_is_static(struct bt_ctf_trace *trace) | |
1311 | { | |
1312 | int ret = 0; | |
1313 | ||
1314 | if (!trace) { | |
1315 | ret = -1; | |
1316 | goto end; | |
1317 | } | |
1318 | ||
c55a9f58 | 1319 | trace->is_static = BT_TRUE; |
5acf2ae6 PP |
1320 | bt_ctf_trace_freeze(trace); |
1321 | ||
1322 | end: | |
1323 | return ret; | |
1324 | } |