Commit | Line | Data |
---|---|---|
273b65be JG |
1 | /* |
2 | * stream.c | |
3 | * | |
d2dc44b6 | 4 | * Babeltrace CTF IR - Stream |
273b65be | 5 | * |
de9dd397 | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
273b65be JG |
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 | ||
19abc2c6 PP |
29 | #define BT_LOG_TAG "STREAM" |
30 | #include <babeltrace/lib-logging-internal.h> | |
31 | ||
ac0c6bdd PP |
32 | #include <babeltrace/ctf-ir/clock-class.h> |
33 | #include <babeltrace/ctf-writer/clock.h> | |
34 | #include <babeltrace/ctf-writer/clock-internal.h> | |
273b65be | 35 | #include <babeltrace/ctf-writer/event.h> |
adc315b8 | 36 | #include <babeltrace/ctf-ir/event-internal.h> |
2e33ac5a PP |
37 | #include <babeltrace/ctf-ir/field-types-internal.h> |
38 | #include <babeltrace/ctf-ir/fields-internal.h> | |
3f043b05 JG |
39 | #include <babeltrace/ctf-ir/stream.h> |
40 | #include <babeltrace/ctf-ir/stream-internal.h> | |
adc315b8 | 41 | #include <babeltrace/ctf-ir/stream-class-internal.h> |
5acf2ae6 | 42 | #include <babeltrace/ctf-ir/trace.h> |
319fd969 PP |
43 | #include <babeltrace/ctf-ir/trace-internal.h> |
44 | #include <babeltrace/ctf-writer/writer-internal.h> | |
3230ee6b | 45 | #include <babeltrace/graph/component-internal.h> |
83509119 | 46 | #include <babeltrace/ref.h> |
273b65be | 47 | #include <babeltrace/ctf-writer/functor-internal.h> |
3d9990ac PP |
48 | #include <babeltrace/compiler-internal.h> |
49 | #include <babeltrace/align-internal.h> | |
dc3fffef | 50 | #include <inttypes.h> |
95076212 | 51 | #include <unistd.h> |
273b65be JG |
52 | |
53 | static | |
83509119 | 54 | void bt_ctf_stream_destroy(struct bt_object *obj); |
273b65be | 55 | static |
af9296f3 | 56 | int try_set_structure_field_integer(struct bt_ctf_field *, char *, uint64_t); |
273b65be | 57 | |
ac0c6bdd PP |
58 | static |
59 | int set_integer_field_value(struct bt_ctf_field* field, uint64_t value) | |
60 | { | |
61 | int ret = 0; | |
62 | struct bt_ctf_field_type *field_type = NULL; | |
63 | ||
64 | if (!field) { | |
19abc2c6 | 65 | BT_LOGW_STR("Invalid parameter: field is NULL."); |
ac0c6bdd PP |
66 | ret = -1; |
67 | goto end; | |
68 | } | |
69 | ||
70 | field_type = bt_ctf_field_get_type(field); | |
71 | assert(field_type); | |
72 | ||
73 | if (bt_ctf_field_type_get_type_id(field_type) != | |
1487a16a | 74 | BT_CTF_FIELD_TYPE_ID_INTEGER) { |
ac0c6bdd | 75 | /* Not an integer and the value is unset, error. */ |
19abc2c6 PP |
76 | BT_LOGW("Invalid parameter: field's type is not an integer field type: " |
77 | "field-addr=%p, ft-addr=%p, ft-id=%s", | |
78 | field, field_type, | |
79 | bt_ctf_field_type_id_string(field_type->id)); | |
ac0c6bdd PP |
80 | ret = -1; |
81 | goto end; | |
82 | } | |
83 | ||
84 | if (bt_ctf_field_type_integer_get_signed(field_type)) { | |
85 | ret = bt_ctf_field_signed_integer_set_value(field, (int64_t) value); | |
86 | if (ret) { | |
87 | /* Value is out of range, error. */ | |
19abc2c6 PP |
88 | BT_LOGW("Cannot set signed integer field's value: " |
89 | "addr=%p, value=%" PRId64, | |
90 | field, (int64_t) value); | |
ac0c6bdd PP |
91 | goto end; |
92 | } | |
93 | } else { | |
94 | ret = bt_ctf_field_unsigned_integer_set_value(field, value); | |
95 | if (ret) { | |
96 | /* Value is out of range, error. */ | |
19abc2c6 PP |
97 | BT_LOGW("Cannot set unsigned integer field's value: " |
98 | "addr=%p, value=%" PRIu64, | |
99 | field, value); | |
ac0c6bdd PP |
100 | goto end; |
101 | } | |
102 | } | |
103 | end: | |
104 | bt_put(field_type); | |
105 | return ret; | |
106 | } | |
107 | ||
d246b111 JG |
108 | static |
109 | int set_packet_header_magic(struct bt_ctf_stream *stream) | |
110 | { | |
111 | int ret = 0; | |
d246b111 JG |
112 | struct bt_ctf_field *magic_field = bt_ctf_field_structure_get_field( |
113 | stream->packet_header, "magic"); | |
19abc2c6 PP |
114 | const uint32_t magic_value = 0xc1fc1fc1; |
115 | ||
116 | assert(stream); | |
d246b111 JG |
117 | |
118 | if (!magic_field) { | |
119 | /* No magic field found. Not an error, skip. */ | |
19abc2c6 PP |
120 | BT_LOGV("No field named `magic` in packet header: skipping: " |
121 | "stream-addr=%p, stream-name=\"%s\"", | |
122 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
123 | goto end; |
124 | } | |
125 | ||
b3376dd9 PP |
126 | ret = bt_ctf_field_unsigned_integer_set_value(magic_field, |
127 | (uint64_t) magic_value); | |
d246b111 | 128 | |
d246b111 | 129 | if (ret) { |
b3376dd9 PP |
130 | BT_LOGW("Cannot set packet header field's `magic` integer field's value: " |
131 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
19abc2c6 PP |
132 | stream, bt_ctf_stream_get_name(stream), |
133 | magic_field, (uint64_t) magic_value); | |
134 | } else { | |
135 | BT_LOGV("Set packet header field's `magic` field's value: " | |
b3376dd9 | 136 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, |
19abc2c6 PP |
137 | stream, bt_ctf_stream_get_name(stream), |
138 | magic_field, (uint64_t) magic_value); | |
d246b111 JG |
139 | } |
140 | end: | |
83509119 | 141 | bt_put(magic_field); |
d246b111 JG |
142 | return ret; |
143 | } | |
144 | ||
145 | static | |
146 | int set_packet_header_uuid(struct bt_ctf_stream *stream) | |
147 | { | |
19abc2c6 PP |
148 | int ret = 0; |
149 | int64_t i; | |
e6a8e8e4 | 150 | struct bt_ctf_trace *trace = NULL; |
d246b111 JG |
151 | struct bt_ctf_field *uuid_field = bt_ctf_field_structure_get_field( |
152 | stream->packet_header, "uuid"); | |
153 | ||
19abc2c6 PP |
154 | assert(stream); |
155 | ||
d246b111 JG |
156 | if (!uuid_field) { |
157 | /* No uuid field found. Not an error, skip. */ | |
19abc2c6 PP |
158 | BT_LOGV("No field named `uuid` in packet header: skipping: " |
159 | "stream-addr=%p, stream-name=\"%s\"", | |
160 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
161 | goto end; |
162 | } | |
163 | ||
e6a8e8e4 | 164 | trace = (struct bt_ctf_trace *) bt_object_get_parent(stream); |
d246b111 JG |
165 | for (i = 0; i < 16; i++) { |
166 | struct bt_ctf_field *uuid_element = | |
167 | bt_ctf_field_array_get_field(uuid_field, i); | |
168 | ||
b3376dd9 PP |
169 | ret = bt_ctf_field_unsigned_integer_set_value( |
170 | uuid_element, (uint64_t) trace->uuid[i]); | |
83509119 | 171 | bt_put(uuid_element); |
d246b111 | 172 | if (ret) { |
19abc2c6 PP |
173 | BT_LOGW("Cannot set integer field's value (for `uuid` packet header field): " |
174 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, " | |
b3376dd9 | 175 | "value=%" PRIu64 ", index=%" PRId64, |
19abc2c6 PP |
176 | stream, bt_ctf_stream_get_name(stream), |
177 | uuid_element, (uint64_t) trace->uuid[i], i); | |
d246b111 JG |
178 | goto end; |
179 | } | |
180 | } | |
181 | ||
19abc2c6 PP |
182 | BT_LOGV("Set packet header field's `uuid` field's value: " |
183 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p", | |
184 | stream, bt_ctf_stream_get_name(stream), uuid_field); | |
185 | ||
d246b111 | 186 | end: |
83509119 | 187 | bt_put(uuid_field); |
e6a8e8e4 | 188 | BT_PUT(trace); |
d246b111 JG |
189 | return ret; |
190 | } | |
191 | static | |
192 | int set_packet_header_stream_id(struct bt_ctf_stream *stream) | |
193 | { | |
194 | int ret = 0; | |
195 | uint32_t stream_id; | |
d246b111 JG |
196 | struct bt_ctf_field *stream_id_field = bt_ctf_field_structure_get_field( |
197 | stream->packet_header, "stream_id"); | |
198 | ||
199 | if (!stream_id_field) { | |
200 | /* No stream_id field found. Not an error, skip. */ | |
19abc2c6 PP |
201 | BT_LOGV("No field named `stream_id` in packet header: skipping: " |
202 | "stream-addr=%p, stream-name=\"%s\"", | |
203 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
204 | goto end; |
205 | } | |
206 | ||
b3376dd9 PP |
207 | stream_id = stream->stream_class->id; |
208 | ret = bt_ctf_field_unsigned_integer_set_value(stream_id_field, | |
209 | (uint64_t) stream_id); | |
210 | if (ret) { | |
211 | BT_LOGW("Cannot set packet header field's `stream_id` integer field's value: " | |
212 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
213 | stream, bt_ctf_stream_get_name(stream), | |
214 | stream_id_field, (uint64_t) stream_id); | |
215 | } else { | |
216 | BT_LOGV("Set packet header field's `stream_id` field's value: " | |
217 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
218 | stream, bt_ctf_stream_get_name(stream), | |
219 | stream_id_field, (uint64_t) stream_id); | |
220 | } | |
221 | ||
222 | end: | |
223 | bt_put(stream_id_field); | |
224 | return ret; | |
225 | } | |
226 | ||
227 | static | |
228 | int auto_populate_packet_header(struct bt_ctf_stream *stream) | |
229 | { | |
230 | int ret = 0; | |
231 | ||
232 | if (!stream->packet_header) { | |
233 | goto end; | |
234 | } | |
235 | ||
236 | ret = set_packet_header_magic(stream); | |
237 | if (ret) { | |
238 | BT_LOGW("Cannot set packet header's magic number field: " | |
239 | "stream-addr=%p, stream-name=\"%s\"", | |
240 | stream, bt_ctf_stream_get_name(stream)); | |
241 | goto end; | |
242 | } | |
243 | ||
244 | ret = set_packet_header_uuid(stream); | |
245 | if (ret) { | |
246 | BT_LOGW("Cannot set packet header's UUID field: " | |
19abc2c6 PP |
247 | "stream-addr=%p, stream-name=\"%s\"", |
248 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
249 | goto end; |
250 | } | |
251 | ||
b3376dd9 PP |
252 | ret = set_packet_header_stream_id(stream); |
253 | if (ret) { | |
254 | BT_LOGW("Cannot set packet header's stream class ID field: " | |
255 | "stream-addr=%p, stream-name=\"%s\"", | |
256 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
257 | goto end; |
258 | } | |
259 | ||
b3376dd9 PP |
260 | BT_LOGV("Automatically populated stream's packet header's known fields: " |
261 | "stream-addr=%p, stream-name=\"%s\"", | |
262 | stream, bt_ctf_stream_get_name(stream)); | |
263 | ||
264 | end: | |
265 | return ret; | |
266 | } | |
267 | ||
268 | static | |
269 | int set_packet_context_packet_size(struct bt_ctf_stream *stream) | |
270 | { | |
271 | int ret = 0; | |
272 | struct bt_ctf_field *field = bt_ctf_field_structure_get_field( | |
273 | stream->packet_context, "packet_size"); | |
274 | ||
275 | assert(stream); | |
276 | ||
277 | if (!field) { | |
278 | /* No packet size field found. Not an error, skip. */ | |
279 | BT_LOGV("No field named `packet_size` in packet context: skipping: " | |
280 | "stream-addr=%p, stream-name=\"%s\"", | |
281 | stream, bt_ctf_stream_get_name(stream)); | |
282 | goto end; | |
283 | } | |
284 | ||
285 | ret = bt_ctf_field_unsigned_integer_set_value(field, | |
286 | stream->pos.packet_size); | |
d246b111 | 287 | if (ret) { |
b3376dd9 PP |
288 | BT_LOGW("Cannot set packet context field's `packet_size` integer field's value: " |
289 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
290 | stream, bt_ctf_stream_get_name(stream), | |
291 | field, stream->pos.packet_size); | |
d246b111 | 292 | } else { |
b3376dd9 PP |
293 | BT_LOGV("Set packet context field's `packet_size` field's value: " |
294 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
295 | stream, bt_ctf_stream_get_name(stream), | |
296 | field, stream->pos.packet_size); | |
d246b111 | 297 | } |
19abc2c6 | 298 | |
b3376dd9 PP |
299 | end: |
300 | bt_put(field); | |
301 | return ret; | |
302 | } | |
303 | ||
304 | static | |
305 | int set_packet_context_content_size(struct bt_ctf_stream *stream) | |
306 | { | |
307 | int ret = 0; | |
308 | struct bt_ctf_field *field = bt_ctf_field_structure_get_field( | |
309 | stream->packet_context, "content_size"); | |
310 | ||
311 | assert(stream); | |
312 | ||
313 | if (!field) { | |
314 | /* No content size field found. Not an error, skip. */ | |
315 | BT_LOGV("No field named `content_size` in packet context: skipping: " | |
316 | "stream-addr=%p, stream-name=\"%s\"", | |
317 | stream, bt_ctf_stream_get_name(stream)); | |
318 | goto end; | |
319 | } | |
320 | ||
321 | ret = bt_ctf_field_unsigned_integer_set_value(field, | |
322 | stream->pos.offset); | |
19abc2c6 | 323 | if (ret) { |
b3376dd9 PP |
324 | BT_LOGW("Cannot set packet context field's `content_size` integer field's value: " |
325 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRId64, | |
19abc2c6 | 326 | stream, bt_ctf_stream_get_name(stream), |
b3376dd9 | 327 | field, stream->pos.offset); |
19abc2c6 | 328 | } else { |
b3376dd9 PP |
329 | BT_LOGV("Set packet context field's `content_size` field's value: " |
330 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRId64, | |
19abc2c6 | 331 | stream, bt_ctf_stream_get_name(stream), |
b3376dd9 | 332 | field, stream->pos.offset); |
19abc2c6 PP |
333 | } |
334 | ||
d246b111 | 335 | end: |
b3376dd9 | 336 | bt_put(field); |
d246b111 JG |
337 | return ret; |
338 | } | |
339 | ||
340 | static | |
b3376dd9 | 341 | int set_packet_context_events_discarded(struct bt_ctf_stream *stream) |
d246b111 | 342 | { |
b3376dd9 PP |
343 | int ret = 0; |
344 | struct bt_ctf_field *field = bt_ctf_field_structure_get_field( | |
345 | stream->packet_context, "events_discarded"); | |
d246b111 | 346 | |
b3376dd9 PP |
347 | assert(stream); |
348 | ||
349 | if (!field) { | |
350 | /* No discarded events count field found. Not an error, skip. */ | |
351 | BT_LOGV("No field named `events_discarded` in packet context: skipping: " | |
352 | "stream-addr=%p, stream-name=\"%s\"", | |
353 | stream, bt_ctf_stream_get_name(stream)); | |
354 | goto end; | |
355 | } | |
356 | ||
59a09b0e PP |
357 | /* |
358 | * If the field is set by the user, make sure that the value is | |
359 | * greater than or equal to the stream's current count of | |
360 | * discarded events. We do not allow wrapping here. If it's | |
361 | * valid, update the stream's current count. | |
362 | */ | |
363 | if (bt_ctf_field_is_set(field)) { | |
364 | uint64_t user_val; | |
365 | ||
366 | ret = bt_ctf_field_unsigned_integer_get_value(field, | |
367 | &user_val); | |
368 | if (ret) { | |
369 | BT_LOGW("Cannot get packet context `events_discarded` field's unsigned value: " | |
370 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p", | |
371 | stream, bt_ctf_stream_get_name(stream), field); | |
372 | goto end; | |
373 | } | |
374 | ||
375 | if (user_val < stream->discarded_events) { | |
376 | BT_LOGW("Invalid packet context `events_discarded` field's unsigned value: " | |
377 | "value is lesser than the stream's current discarded events count: " | |
378 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, " | |
379 | "value=%" PRIu64 ", " | |
380 | "stream-discarded-events-count=%" PRIu64, | |
381 | stream, bt_ctf_stream_get_name(stream), field, | |
382 | user_val, stream->discarded_events); | |
383 | goto end; | |
384 | } | |
385 | ||
386 | stream->discarded_events = user_val; | |
b3376dd9 | 387 | } else { |
59a09b0e PP |
388 | ret = bt_ctf_field_unsigned_integer_set_value(field, |
389 | stream->discarded_events); | |
390 | if (ret) { | |
391 | BT_LOGW("Cannot set packet context field's `events_discarded` integer field's value: " | |
392 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
393 | stream, bt_ctf_stream_get_name(stream), | |
394 | field, stream->discarded_events); | |
395 | } else { | |
396 | BT_LOGV("Set packet context field's `events_discarded` field's value: " | |
397 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
398 | stream, bt_ctf_stream_get_name(stream), | |
399 | field, stream->discarded_events); | |
400 | } | |
b3376dd9 PP |
401 | } |
402 | ||
403 | end: | |
404 | bt_put(field); | |
405 | return ret; | |
406 | } | |
407 | ||
408 | static | |
409 | int get_event_header_timestamp(struct bt_ctf_stream *stream, | |
410 | struct bt_ctf_field *event_header, uint64_t *timestamp) | |
411 | { | |
412 | int ret = 0; | |
413 | struct bt_ctf_field *timestamp_field = NULL; | |
414 | struct bt_ctf_clock_class *ts_field_mapped_clock_class = NULL; | |
415 | ||
416 | *timestamp = 0; | |
417 | ||
418 | if (!event_header) { | |
419 | BT_LOGV_STR("Event header does not exist."); | |
420 | goto end; | |
421 | } | |
422 | ||
423 | timestamp_field = bt_ctf_field_structure_get_field(event_header, | |
424 | "timestamp"); | |
425 | if (!timestamp_field) { | |
426 | BT_LOGV("Cannot get event header's `timestamp` field: " | |
427 | "event-header-field-addr=%p", event_header); | |
428 | goto end; | |
429 | } | |
430 | ||
431 | if (!bt_ctf_field_type_is_integer(timestamp_field->type)) { | |
432 | BT_LOGV("Event header's `timestamp` field's type is not an integer field type: " | |
433 | "event-header-field-addr=%p", event_header); | |
434 | goto end; | |
435 | } | |
436 | ||
437 | ts_field_mapped_clock_class = | |
438 | bt_ctf_field_type_integer_get_mapped_clock_class( | |
439 | timestamp_field->type); | |
440 | if (!ts_field_mapped_clock_class) { | |
441 | BT_LOGV("Event header's `timestamp` field's type is not mapped to a clock class: " | |
442 | "event-header-field-addr=%p", event_header); | |
443 | goto end; | |
444 | } | |
445 | ||
446 | if (ts_field_mapped_clock_class != | |
447 | stream->stream_class->clock->clock_class) { | |
448 | BT_LOGV("Event header's `timestamp` field's type is not mapped to the stream's clock's class: " | |
449 | "event-header-field-addr=%p", event_header); | |
450 | goto end; | |
451 | } | |
452 | ||
453 | ret = bt_ctf_field_unsigned_integer_get_value(timestamp_field, | |
454 | timestamp); | |
455 | if (ret) { | |
456 | BT_LOGW("Cannot get unsigned integer field's value: " | |
457 | "event-header-field-addr=%p, " | |
458 | "timestamp-field-addr=%p", | |
459 | event_header, timestamp_field); | |
460 | goto end; | |
461 | } | |
462 | ||
463 | end: | |
464 | bt_put(timestamp_field); | |
465 | bt_put(ts_field_mapped_clock_class); | |
466 | return ret; | |
467 | } | |
468 | ||
469 | static | |
470 | int set_packet_context_timestamp_field(struct bt_ctf_stream *stream, | |
471 | const char *field_name, struct bt_ctf_event *event) | |
472 | { | |
473 | int ret = 0; | |
474 | struct bt_ctf_field *field = bt_ctf_field_structure_get_field( | |
475 | stream->packet_context, field_name); | |
476 | struct bt_ctf_clock_class *field_mapped_clock_class = NULL; | |
477 | uint64_t ts; | |
478 | ||
479 | assert(stream); | |
480 | ||
481 | if (!field) { | |
482 | /* No beginning timestamp field found. Not an error, skip. */ | |
483 | BT_LOGV("No field named `%s` in packet context: skipping: " | |
484 | "stream-addr=%p, stream-name=\"%s\"", field_name, | |
485 | stream, bt_ctf_stream_get_name(stream)); | |
486 | goto end; | |
487 | } | |
488 | ||
489 | if (!stream->stream_class->clock) { | |
490 | BT_LOGV("Stream has no clock: skipping: " | |
19abc2c6 PP |
491 | "stream-addr=%p, stream-name=\"%s\"", |
492 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
493 | goto end; |
494 | } | |
495 | ||
b3376dd9 PP |
496 | field_mapped_clock_class = |
497 | bt_ctf_field_type_integer_get_mapped_clock_class(field->type); | |
498 | if (!field_mapped_clock_class) { | |
499 | BT_LOGV("Packet context's `%s` field's type is not mapped to a clock class: skipping: " | |
500 | "stream-addr=%p, stream-name=\"%s\", " | |
501 | "field-addr=%p, ft-addr=%p", field_name, | |
502 | stream, bt_ctf_stream_get_name(stream), | |
503 | field, field->type); | |
504 | goto end; | |
505 | } | |
506 | ||
507 | if (field_mapped_clock_class != | |
508 | stream->stream_class->clock->clock_class) { | |
509 | BT_LOGV("Packet context's `%s` field's type is not mapped to the stream's clock's class: skipping: " | |
510 | "stream-addr=%p, stream-name=\"%s\", " | |
511 | "field-addr=%p, ft-addr=%p, " | |
512 | "ft-mapped-clock-class-addr=%p, " | |
513 | "ft-mapped-clock-class-name=\"%s\", " | |
514 | "stream-clock-class-addr=%p, " | |
515 | "stream-clock-class-name=\"%s\"", | |
516 | field_name, | |
517 | stream, bt_ctf_stream_get_name(stream), | |
518 | field, field->type, | |
519 | field_mapped_clock_class, | |
520 | bt_ctf_clock_class_get_name(field_mapped_clock_class), | |
521 | stream->stream_class->clock->clock_class, | |
522 | bt_ctf_clock_class_get_name( | |
523 | stream->stream_class->clock->clock_class)); | |
524 | goto end; | |
525 | } | |
526 | ||
527 | if (get_event_header_timestamp(stream, event->event_header, &ts)) { | |
528 | BT_LOGW("Cannot get event's timestamp: " | |
529 | "event-header-field-addr=%p", | |
530 | event->event_header); | |
531 | ret = -1; | |
532 | goto end; | |
533 | } | |
534 | ||
535 | ret = bt_ctf_field_unsigned_integer_set_value(field, ts); | |
d246b111 | 536 | if (ret) { |
b3376dd9 PP |
537 | BT_LOGW("Cannot set packet context field's `%s` integer field's value: " |
538 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
539 | field_name, stream, bt_ctf_stream_get_name(stream), | |
540 | field, stream->discarded_events); | |
541 | } else { | |
542 | BT_LOGV("Set packet context field's `%s` field's value: " | |
543 | "stream-addr=%p, stream-name=\"%s\", field-addr=%p, value=%" PRIu64, | |
544 | field_name, stream, bt_ctf_stream_get_name(stream), | |
545 | field, stream->discarded_events); | |
546 | } | |
547 | ||
548 | end: | |
549 | bt_put(field); | |
550 | bt_put(field_mapped_clock_class); | |
551 | return ret; | |
552 | } | |
553 | ||
554 | static | |
555 | int set_packet_context_timestamp_begin(struct bt_ctf_stream *stream) | |
556 | { | |
557 | int ret = 0; | |
558 | ||
559 | if (stream->events->len == 0) { | |
560 | BT_LOGV("Current packet contains no events: skipping: " | |
19abc2c6 PP |
561 | "stream-addr=%p, stream-name=\"%s\"", |
562 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
563 | goto end; |
564 | } | |
565 | ||
b3376dd9 PP |
566 | ret = set_packet_context_timestamp_field(stream, "timestamp_begin", |
567 | g_ptr_array_index(stream->events, 0)); | |
568 | ||
569 | end: | |
570 | return ret; | |
571 | } | |
572 | ||
573 | static | |
574 | int set_packet_context_timestamp_end(struct bt_ctf_stream *stream) | |
575 | { | |
576 | int ret = 0; | |
577 | ||
578 | if (stream->events->len == 0) { | |
579 | BT_LOGV("Current packet contains no events: skipping: " | |
580 | "stream-addr=%p, stream-name=\"%s\"", | |
581 | stream, bt_ctf_stream_get_name(stream)); | |
582 | goto end; | |
583 | } | |
584 | ||
585 | ret = set_packet_context_timestamp_field(stream, "timestamp_end", | |
586 | g_ptr_array_index(stream->events, stream->events->len - 1)); | |
587 | ||
588 | end: | |
589 | return ret; | |
590 | } | |
591 | ||
592 | static | |
593 | int auto_populate_packet_context(struct bt_ctf_stream *stream) | |
594 | { | |
595 | int ret = 0; | |
596 | ||
597 | if (!stream->packet_context) { | |
598 | goto end; | |
599 | } | |
600 | ||
601 | ret = set_packet_context_packet_size(stream); | |
d246b111 | 602 | if (ret) { |
b3376dd9 PP |
603 | BT_LOGW("Cannot set packet context's packet size field: " |
604 | "stream-addr=%p, stream-name=\"%s\"", | |
605 | stream, bt_ctf_stream_get_name(stream)); | |
606 | goto end; | |
607 | } | |
608 | ||
609 | ret = set_packet_context_content_size(stream); | |
610 | if (ret) { | |
611 | BT_LOGW("Cannot set packet context's content size field: " | |
19abc2c6 PP |
612 | "stream-addr=%p, stream-name=\"%s\"", |
613 | stream, bt_ctf_stream_get_name(stream)); | |
d246b111 JG |
614 | goto end; |
615 | } | |
19abc2c6 | 616 | |
b3376dd9 PP |
617 | ret = set_packet_context_timestamp_begin(stream); |
618 | if (ret) { | |
619 | BT_LOGW("Cannot set packet context's beginning timestamp field: " | |
620 | "stream-addr=%p, stream-name=\"%s\"", | |
621 | stream, bt_ctf_stream_get_name(stream)); | |
622 | goto end; | |
623 | } | |
624 | ||
625 | ret = set_packet_context_timestamp_end(stream); | |
626 | if (ret) { | |
627 | BT_LOGW("Cannot set packet context's end timestamp field: " | |
628 | "stream-addr=%p, stream-name=\"%s\"", | |
629 | stream, bt_ctf_stream_get_name(stream)); | |
630 | goto end; | |
631 | } | |
632 | ||
633 | ret = set_packet_context_events_discarded(stream); | |
634 | if (ret) { | |
635 | BT_LOGW("Cannot set packet context's discarded events count field: " | |
636 | "stream-addr=%p, stream-name=\"%s\"", | |
637 | stream, bt_ctf_stream_get_name(stream)); | |
638 | goto end; | |
639 | } | |
640 | ||
641 | BT_LOGV("Automatically populated stream's packet context's known fields: " | |
19abc2c6 PP |
642 | "stream-addr=%p, stream-name=\"%s\"", |
643 | stream, bt_ctf_stream_get_name(stream)); | |
644 | ||
d246b111 JG |
645 | end: |
646 | return ret; | |
647 | } | |
648 | ||
123fbdec | 649 | static |
e6a8e8e4 | 650 | void release_event(struct bt_ctf_event *event) |
123fbdec | 651 | { |
e6a8e8e4 JG |
652 | if (bt_object_get_ref_count(event)) { |
653 | /* | |
654 | * The event is being orphaned, but it must guarantee the | |
655 | * existence of its event class for the duration of its | |
656 | * lifetime. | |
657 | */ | |
658 | bt_get(event->event_class); | |
659 | BT_PUT(event->base.parent); | |
660 | } else { | |
661 | bt_object_release(event); | |
662 | } | |
123fbdec JG |
663 | } |
664 | ||
319fd969 PP |
665 | static |
666 | int create_stream_file(struct bt_ctf_writer *writer, | |
667 | struct bt_ctf_stream *stream) | |
668 | { | |
669 | int fd; | |
ab22d18f PP |
670 | GString *filename = g_string_new(NULL); |
671 | int64_t stream_class_id; | |
672 | char *file_path = NULL; | |
319fd969 | 673 | |
19abc2c6 PP |
674 | BT_LOGD("Creating stream file: writer-addr=%p, stream-addr=%p, " |
675 | "stream-name=\"%s\", stream-class-addr=%p, stream-class-name=\"%s\"", | |
676 | writer, stream, bt_ctf_stream_get_name(stream), | |
677 | stream->stream_class, stream->stream_class->name->str); | |
678 | ||
ab22d18f PP |
679 | if (stream->name && stream->name->len > 0) { |
680 | /* Use stream name's base name as prefix */ | |
681 | gchar *basename = g_path_get_basename(stream->name->str); | |
682 | ||
683 | assert(basename); | |
684 | ||
685 | if (strcmp(basename, G_DIR_SEPARATOR_S) == 0) { | |
686 | g_string_assign(filename, "stream"); | |
687 | } else { | |
688 | g_string_assign(filename, basename); | |
689 | } | |
690 | ||
691 | g_free(basename); | |
692 | goto append_ids; | |
693 | } | |
694 | ||
695 | if (stream->stream_class->name && | |
696 | stream->stream_class->name->len > 0) { | |
697 | /* Use stream class name's base name as prefix */ | |
698 | gchar *basename = | |
699 | g_path_get_basename(stream->stream_class->name->str); | |
700 | ||
701 | assert(basename); | |
702 | ||
703 | if (strcmp(basename, G_DIR_SEPARATOR_S) == 0) { | |
704 | g_string_assign(filename, "stream"); | |
705 | } else { | |
706 | g_string_assign(filename, basename); | |
319fd969 PP |
707 | } |
708 | ||
ab22d18f PP |
709 | g_free(basename); |
710 | goto append_ids; | |
319fd969 PP |
711 | } |
712 | ||
ab22d18f PP |
713 | /* Default to using `stream-` as prefix */ |
714 | g_string_assign(filename, "stream"); | |
715 | ||
716 | append_ids: | |
717 | stream_class_id = bt_ctf_stream_class_get_id(stream->stream_class); | |
718 | assert(stream_class_id >= 0); | |
719 | assert(stream->id >= 0); | |
720 | g_string_append_printf(filename, "-%" PRId64 "-%" PRId64, | |
721 | stream_class_id, stream->id); | |
722 | ||
ebd04048 MJ |
723 | file_path = g_build_filename(writer->path->str, filename->str, NULL); |
724 | if (file_path == NULL) { | |
725 | fd = -1; | |
726 | goto end; | |
727 | } | |
ab22d18f | 728 | |
ebd04048 | 729 | fd = open(file_path, |
319fd969 PP |
730 | O_RDWR | O_CREAT | O_TRUNC, |
731 | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); | |
ebd04048 | 732 | g_free(file_path); |
19abc2c6 | 733 | if (fd < 0) { |
b3376dd9 | 734 | BT_LOGW("Failed to open stream file for writing: %s: " |
ebd04048 | 735 | "filename=\"%s\", " |
b3376dd9 | 736 | "ret=%d, errno=%d", strerror(errno), |
ebd04048 | 737 | filename->str, fd, errno); |
19abc2c6 PP |
738 | goto end; |
739 | } | |
740 | ||
741 | BT_LOGD("Created stream file for writing: " | |
ebd04048 | 742 | "stream-addr=%p, stream-name=\"%s\", " |
19abc2c6 | 743 | "filename=\"%s\", fd=%d", stream, bt_ctf_stream_get_name(stream), |
ebd04048 | 744 | filename->str, fd); |
19abc2c6 PP |
745 | |
746 | end: | |
319fd969 PP |
747 | g_string_free(filename, TRUE); |
748 | return fd; | |
749 | } | |
750 | ||
751 | static | |
19abc2c6 | 752 | void set_stream_fd(struct bt_ctf_stream *stream, int fd) |
319fd969 | 753 | { |
dc3fffef | 754 | (void) bt_ctf_stream_pos_init(&stream->pos, fd, O_RDWR); |
319fd969 | 755 | stream->pos.fd = fd; |
319fd969 PP |
756 | } |
757 | ||
3230ee6b PP |
758 | static |
759 | void component_destroy_listener(struct bt_component *component, void *data) | |
760 | { | |
761 | struct bt_ctf_stream *stream = data; | |
762 | ||
19abc2c6 PP |
763 | BT_LOGD("Component is being destroyed, stream is notified: " |
764 | "comp-addr=%p, stream-addr=%p", component, stream); | |
3230ee6b PP |
765 | g_hash_table_remove(stream->comp_cur_port, component); |
766 | } | |
767 | ||
cfe11c58 PP |
768 | static |
769 | struct bt_ctf_stream *bt_ctf_stream_create_with_id_no_check( | |
b71d7298 | 770 | struct bt_ctf_stream_class *stream_class, |
cfe11c58 | 771 | const char *name, uint64_t id) |
273b65be | 772 | { |
12c8a1a3 | 773 | int ret; |
273b65be | 774 | struct bt_ctf_stream *stream = NULL; |
319fd969 PP |
775 | struct bt_ctf_trace *trace = NULL; |
776 | struct bt_ctf_writer *writer = NULL; | |
273b65be | 777 | |
319fd969 | 778 | if (!stream_class) { |
19abc2c6 | 779 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); |
b71d7298 | 780 | goto error; |
319fd969 PP |
781 | } |
782 | ||
19abc2c6 | 783 | BT_LOGD("Creating stream object: stream-class-addr=%p, " |
cfe11c58 PP |
784 | "stream-class-name=\"%s\", stream-name=\"%s\", " |
785 | "stream-id=%" PRIu64, | |
19abc2c6 | 786 | stream_class, bt_ctf_stream_class_get_name(stream_class), |
cfe11c58 PP |
787 | name, id); |
788 | trace = bt_ctf_stream_class_borrow_trace(stream_class); | |
319fd969 | 789 | if (!trace) { |
19abc2c6 | 790 | BT_LOGW("Invalid parameter: cannot create stream from a stream class which is not part of trace: " |
b3376dd9 PP |
791 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
792 | "stream-name=\"%s\"", | |
19abc2c6 PP |
793 | stream_class, bt_ctf_stream_class_get_name(stream_class), |
794 | name); | |
b71d7298 | 795 | goto error; |
273b65be JG |
796 | } |
797 | ||
5acf2ae6 PP |
798 | if (bt_ctf_trace_is_static(trace)) { |
799 | /* | |
800 | * A static trace has the property that all its stream | |
801 | * classes, clock classes, and streams are definitive: | |
802 | * no more can be added, and each object is also frozen. | |
803 | */ | |
19abc2c6 | 804 | BT_LOGW("Invalid parameter: cannot create stream from a stream class which is part of a static trace: " |
b3376dd9 PP |
805 | "stream-class-addr=%p, stream-class-name=\"%s\", " |
806 | "stream-name=\"%s\", trace-addr=%p", | |
19abc2c6 | 807 | stream_class, bt_ctf_stream_class_get_name(stream_class), |
b3376dd9 | 808 | name, trace); |
5acf2ae6 PP |
809 | goto error; |
810 | } | |
811 | ||
cfe11c58 PP |
812 | if (id != -1ULL) { |
813 | /* | |
814 | * Validate that the given ID is unique amongst all the | |
815 | * existing trace's streams created from the same stream | |
816 | * class. | |
817 | */ | |
818 | size_t i; | |
819 | ||
820 | for (i = 0; i < trace->streams->len; i++) { | |
821 | struct bt_ctf_stream *trace_stream = | |
822 | g_ptr_array_index(trace->streams, i); | |
823 | ||
824 | if (trace_stream->stream_class != stream_class) { | |
825 | continue; | |
826 | } | |
827 | ||
828 | if (trace_stream->id == id) { | |
829 | BT_LOGW_STR("Invalid parameter: another stream in the same trace already has this ID."); | |
830 | goto error; | |
831 | } | |
832 | } | |
833 | } | |
834 | ||
273b65be JG |
835 | stream = g_new0(struct bt_ctf_stream, 1); |
836 | if (!stream) { | |
19abc2c6 | 837 | BT_LOGE_STR("Failed to allocate one stream."); |
b71d7298 | 838 | goto error; |
273b65be JG |
839 | } |
840 | ||
83509119 | 841 | bt_object_init(stream, bt_ctf_stream_destroy); |
e6a8e8e4 JG |
842 | /* |
843 | * Acquire reference to parent since stream will become publicly | |
844 | * reachable; it needs its parent to remain valid. | |
845 | */ | |
846 | bt_object_set_parent(stream, trace); | |
273b65be | 847 | stream->stream_class = stream_class; |
319fd969 | 848 | stream->pos.fd = -1; |
cfe11c58 | 849 | stream->id = (int64_t) id; |
d246b111 | 850 | |
3230ee6b PP |
851 | stream->destroy_listeners = g_array_new(FALSE, TRUE, |
852 | sizeof(struct bt_ctf_stream_destroy_listener)); | |
853 | if (!stream->destroy_listeners) { | |
19abc2c6 | 854 | BT_LOGE_STR("Failed to allocate a GArray."); |
3230ee6b PP |
855 | goto error; |
856 | } | |
857 | ||
b71d7298 PP |
858 | if (name) { |
859 | stream->name = g_string_new(name); | |
860 | if (!stream->name) { | |
19abc2c6 | 861 | BT_LOGE_STR("Failed to allocate a GString."); |
b71d7298 PP |
862 | goto error; |
863 | } | |
864 | } | |
865 | ||
19abc2c6 PP |
866 | BT_LOGD("Set stream's trace parent: trace-addr=%p", trace); |
867 | ||
319fd969 PP |
868 | if (trace->is_created_by_writer) { |
869 | int fd; | |
cfe11c58 PP |
870 | writer = (struct bt_ctf_writer *) bt_object_get_parent(trace); |
871 | stream->id = (int64_t) stream_class->next_stream_id++; | |
319fd969 | 872 | |
19abc2c6 PP |
873 | BT_LOGD("Stream object belongs to a writer's trace: " |
874 | "writer-addr=%p", writer); | |
319fd969 | 875 | assert(writer); |
b3376dd9 | 876 | |
98edd02c | 877 | if (stream_class->packet_context_type) { |
19abc2c6 PP |
878 | BT_LOGD("Creating stream's packet context field: " |
879 | "ft-addr=%p", stream_class->packet_context_type); | |
98edd02c JG |
880 | stream->packet_context = bt_ctf_field_create( |
881 | stream_class->packet_context_type); | |
882 | if (!stream->packet_context) { | |
19abc2c6 | 883 | BT_LOGW_STR("Cannot create stream's packet context field."); |
98edd02c JG |
884 | goto error; |
885 | } | |
319fd969 | 886 | |
98edd02c | 887 | /* Initialize events_discarded */ |
af9296f3 | 888 | ret = try_set_structure_field_integer( |
19abc2c6 | 889 | stream->packet_context, "events_discarded", 0); |
7ee636df | 890 | if (ret < 0) { |
19abc2c6 PP |
891 | BT_LOGW("Cannot set `events_discarded` field in packet context: " |
892 | "ret=%d, packet-context-field-addr=%p", | |
893 | ret, stream->packet_context); | |
98edd02c JG |
894 | goto error; |
895 | } | |
319fd969 PP |
896 | } |
897 | ||
898 | stream->events = g_ptr_array_new_with_free_func( | |
899 | (GDestroyNotify) release_event); | |
900 | if (!stream->events) { | |
19abc2c6 | 901 | BT_LOGE_STR("Failed to allocate a GPtrArray."); |
319fd969 PP |
902 | goto error; |
903 | } | |
904 | ||
b3376dd9 PP |
905 | if (trace->packet_header_type) { |
906 | BT_LOGD("Creating stream's packet header field: " | |
907 | "ft-addr=%p", trace->packet_header_type); | |
908 | stream->packet_header = | |
909 | bt_ctf_field_create(trace->packet_header_type); | |
910 | if (!stream->packet_header) { | |
911 | BT_LOGW_STR("Cannot create stream's packet header field."); | |
912 | goto error; | |
913 | } | |
319fd969 PP |
914 | } |
915 | ||
916 | /* | |
917 | * Attempt to populate the default trace packet header fields | |
918 | * (magic, uuid and stream_id). This will _not_ fail shall the | |
919 | * fields not be found or be of an incompatible type; they will | |
920 | * simply not be populated automatically. The user will have to | |
921 | * make sure to set the trace packet header fields himself | |
922 | * before flushing. | |
923 | */ | |
b3376dd9 | 924 | ret = auto_populate_packet_header(stream); |
319fd969 | 925 | if (ret) { |
b3376dd9 | 926 | BT_LOGW_STR("Cannot automatically populate the stream's packet header."); |
319fd969 PP |
927 | goto error; |
928 | } | |
929 | ||
930 | /* Create file associated with this stream */ | |
931 | fd = create_stream_file(writer, stream); | |
932 | if (fd < 0) { | |
19abc2c6 | 933 | BT_LOGW_STR("Cannot create stream file."); |
319fd969 PP |
934 | goto error; |
935 | } | |
936 | ||
19abc2c6 | 937 | set_stream_fd(stream, fd); |
319fd969 PP |
938 | |
939 | /* Freeze the writer */ | |
19abc2c6 | 940 | BT_LOGD_STR("Freezing stream's CTF writer."); |
319fd969 PP |
941 | bt_ctf_writer_freeze(writer); |
942 | } else { | |
943 | /* Non-writer stream indicated by a negative FD */ | |
19abc2c6 | 944 | set_stream_fd(stream, -1); |
3230ee6b PP |
945 | stream->comp_cur_port = g_hash_table_new(g_direct_hash, |
946 | g_direct_equal); | |
947 | if (!stream->comp_cur_port) { | |
19abc2c6 | 948 | BT_LOGE_STR("Failed to allocate a GHashTable."); |
3230ee6b PP |
949 | goto error; |
950 | } | |
d246b111 | 951 | } |
319fd969 PP |
952 | |
953 | /* Add this stream to the trace's streams */ | |
954 | g_ptr_array_add(trace->streams, stream); | |
19abc2c6 | 955 | BT_LOGD("Created stream object: addr=%p", stream); |
cfe11c58 PP |
956 | goto end; |
957 | ||
83509119 JG |
958 | error: |
959 | BT_PUT(stream); | |
cfe11c58 PP |
960 | |
961 | end: | |
962 | bt_put(writer); | |
963 | return stream; | |
964 | } | |
965 | ||
966 | struct bt_ctf_stream *bt_ctf_stream_create_with_id( | |
967 | struct bt_ctf_stream_class *stream_class, | |
968 | const char *name, uint64_t id_param) | |
969 | { | |
970 | struct bt_ctf_trace *trace; | |
971 | struct bt_ctf_stream *stream = NULL; | |
972 | int64_t id = (int64_t) id_param; | |
973 | ||
974 | if (!stream_class) { | |
975 | BT_LOGW_STR("Invalid parameter: stream class is NULL."); | |
976 | goto end; | |
977 | } | |
978 | ||
979 | if (id < 0) { | |
980 | BT_LOGW("Invalid parameter: invalid stream's ID: " | |
981 | "name=\"%s\", id=%" PRIu64, | |
982 | name, id_param); | |
983 | goto end; | |
984 | } | |
985 | ||
986 | trace = bt_ctf_stream_class_borrow_trace(stream_class); | |
987 | if (!trace) { | |
988 | BT_LOGW("Invalid parameter: cannot create stream from a stream class which is not part of trace: " | |
989 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
990 | "stream-name=\"%s\", stream-id=%" PRIu64, | |
991 | stream_class, bt_ctf_stream_class_get_name(stream_class), | |
992 | name, id_param); | |
993 | goto end; | |
994 | } | |
995 | ||
996 | if (trace->is_created_by_writer) { | |
997 | BT_LOGW("Invalid parameter: cannot create a CTF writer stream with this function; use bt_ctf_stream_create(): " | |
998 | "stream-class-addr=%p, stream-class-name=\"%s\", " | |
999 | "stream-name=\"%s\", stream-id=%" PRIu64, | |
1000 | stream_class, bt_ctf_stream_class_get_name(stream_class), | |
1001 | name, id_param); | |
1002 | goto end; | |
1003 | } | |
1004 | ||
1005 | stream = bt_ctf_stream_create_with_id_no_check(stream_class, | |
1006 | name, id_param); | |
1007 | ||
1008 | end: | |
83509119 | 1009 | return stream; |
273b65be JG |
1010 | } |
1011 | ||
cfe11c58 PP |
1012 | struct bt_ctf_stream *bt_ctf_stream_create( |
1013 | struct bt_ctf_stream_class *stream_class, | |
1014 | const char *name) | |
1015 | { | |
1016 | return bt_ctf_stream_create_with_id_no_check(stream_class, | |
1017 | name, -1ULL); | |
1018 | } | |
1019 | ||
3baf0856 JG |
1020 | struct bt_ctf_stream_class *bt_ctf_stream_get_class( |
1021 | struct bt_ctf_stream *stream) | |
1022 | { | |
1023 | struct bt_ctf_stream_class *stream_class = NULL; | |
1024 | ||
1025 | if (!stream) { | |
19abc2c6 | 1026 | BT_LOGW_STR("Invalid parameter: stream is NULL."); |
3baf0856 JG |
1027 | goto end; |
1028 | } | |
1029 | ||
1030 | stream_class = stream->stream_class; | |
83509119 | 1031 | bt_get(stream_class); |
3baf0856 JG |
1032 | end: |
1033 | return stream_class; | |
1034 | } | |
1035 | ||
37949e9e | 1036 | int bt_ctf_stream_get_discarded_events_count( |
a78a2e25 JG |
1037 | struct bt_ctf_stream *stream, uint64_t *count) |
1038 | { | |
37949e9e | 1039 | int ret = 0; |
a78a2e25 | 1040 | |
19abc2c6 PP |
1041 | if (!stream) { |
1042 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
37949e9e | 1043 | ret = -1; |
19abc2c6 PP |
1044 | goto end; |
1045 | } | |
1046 | ||
1047 | if (!count) { | |
1048 | BT_LOGW_STR("Invalid parameter: count is NULL."); | |
37949e9e | 1049 | ret = -1; |
19abc2c6 PP |
1050 | goto end; |
1051 | } | |
1052 | ||
b3376dd9 PP |
1053 | if (stream->pos.fd < 0) { |
1054 | BT_LOGW("Invalid parameter: stream is not a CTF writer stream: " | |
19abc2c6 PP |
1055 | "stream-addr=%p, stream-name=\"%s\"", |
1056 | stream, bt_ctf_stream_get_name(stream)); | |
37949e9e | 1057 | ret = -1; |
19abc2c6 PP |
1058 | goto end; |
1059 | } | |
1060 | ||
b3376dd9 PP |
1061 | *count = (uint64_t) stream->discarded_events; |
1062 | ||
1063 | end: | |
1064 | return ret; | |
1065 | } | |
1066 | ||
1067 | static | |
1068 | int set_packet_context_events_discarded_field(struct bt_ctf_stream *stream, | |
1069 | uint64_t count) | |
1070 | { | |
1071 | int ret = 0; | |
1072 | struct bt_ctf_field *events_discarded_field = NULL; | |
1073 | ||
1074 | if (!stream->packet_context) { | |
a78a2e25 JG |
1075 | goto end; |
1076 | } | |
1077 | ||
12c8a1a3 JG |
1078 | events_discarded_field = bt_ctf_field_structure_get_field( |
1079 | stream->packet_context, "events_discarded"); | |
1080 | if (!events_discarded_field) { | |
12c8a1a3 JG |
1081 | goto end; |
1082 | } | |
1083 | ||
b3376dd9 PP |
1084 | ret = bt_ctf_field_unsigned_integer_set_value( |
1085 | events_discarded_field, count); | |
1086 | if (ret) { | |
1087 | BT_LOGW("Cannot set packet context's `events_discarded` field: " | |
1088 | "field-addr=%p, value=%" PRIu64, | |
12c8a1a3 | 1089 | events_discarded_field, count); |
b3376dd9 | 1090 | goto end; |
12c8a1a3 | 1091 | } |
b3376dd9 | 1092 | |
a78a2e25 | 1093 | end: |
83509119 | 1094 | bt_put(events_discarded_field); |
a78a2e25 JG |
1095 | return ret; |
1096 | } | |
1097 | ||
273b65be JG |
1098 | void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream, |
1099 | uint64_t event_count) | |
1100 | { | |
12c8a1a3 | 1101 | int ret; |
12c8a1a3 JG |
1102 | uint64_t new_count; |
1103 | struct bt_ctf_field *events_discarded_field = NULL; | |
12c8a1a3 | 1104 | |
19abc2c6 PP |
1105 | if (!stream) { |
1106 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1107 | goto end; | |
1108 | } | |
1109 | ||
1110 | BT_LOGV("Appending discarded events to stream: " | |
1111 | "stream-addr=%p, stream-name=\"%s\", append-count=%" PRIu64, | |
1112 | stream, bt_ctf_stream_get_name(stream), event_count); | |
1113 | ||
1114 | if (!stream->packet_context) { | |
1115 | BT_LOGW_STR("Invalid parameter: stream has no packet context field."); | |
1116 | goto end; | |
1117 | } | |
1118 | ||
1119 | if (stream->pos.fd < 0) { | |
1120 | BT_LOGW_STR("Invalid parameter: stream is not a CTF writer stream."); | |
12c8a1a3 JG |
1121 | goto end; |
1122 | } | |
1123 | ||
12c8a1a3 JG |
1124 | events_discarded_field = bt_ctf_field_structure_get_field( |
1125 | stream->packet_context, "events_discarded"); | |
1126 | if (!events_discarded_field) { | |
b3376dd9 | 1127 | BT_LOGW_STR("No field named `events_discarded` in stream's packet context."); |
12c8a1a3 JG |
1128 | goto end; |
1129 | } | |
1130 | ||
b3376dd9 PP |
1131 | new_count = stream->discarded_events + event_count; |
1132 | if (new_count < stream->discarded_events) { | |
1133 | BT_LOGW("New discarded events count is less than the stream's current discarded events count: " | |
1134 | "cur-count=%" PRIu64 ", new-count=%" PRIu64, | |
1135 | stream->discarded_events, new_count); | |
1136 | goto end; | |
1137 | } | |
1138 | ||
1139 | ret = set_packet_context_events_discarded_field(stream, new_count); | |
1140 | if (ret) { | |
1141 | /* set_packet_context_events_discarded_field() logs errors */ | |
1142 | goto end; | |
12c8a1a3 JG |
1143 | } |
1144 | ||
b3376dd9 | 1145 | stream->discarded_events = new_count; |
19abc2c6 PP |
1146 | BT_LOGV("Appended discarded events to stream: " |
1147 | "stream-addr=%p, stream-name=\"%s\", append-count=%" PRIu64, | |
1148 | stream, bt_ctf_stream_get_name(stream), event_count); | |
1149 | ||
12c8a1a3 | 1150 | end: |
83509119 | 1151 | bt_put(events_discarded_field); |
273b65be JG |
1152 | } |
1153 | ||
ac0c6bdd PP |
1154 | static int auto_populate_event_header(struct bt_ctf_stream *stream, |
1155 | struct bt_ctf_event *event) | |
1156 | { | |
1157 | int ret = 0; | |
1158 | struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL; | |
1159 | struct bt_ctf_clock_class *mapped_clock_class = NULL; | |
19abc2c6 | 1160 | uint64_t event_class_id; |
ac0c6bdd | 1161 | |
19abc2c6 PP |
1162 | assert(event); |
1163 | ||
06b019a7 JD |
1164 | if (!event->event_header) { |
1165 | goto end; | |
1166 | } | |
1167 | ||
19abc2c6 PP |
1168 | if (event->frozen) { |
1169 | BT_LOGW_STR("Cannot populate event header field: event is frozen."); | |
ac0c6bdd PP |
1170 | ret = -1; |
1171 | goto end; | |
1172 | } | |
1173 | ||
b3376dd9 | 1174 | BT_LOGV("Automatically populating event's header field: " |
19abc2c6 PP |
1175 | "stream-addr=%p, stream-name=\"%s\", event-addr=%p", |
1176 | stream, bt_ctf_stream_get_name(stream), event); | |
1177 | ||
ac0c6bdd | 1178 | id_field = bt_ctf_field_structure_get_field(event->event_header, "id"); |
19abc2c6 PP |
1179 | event_class_id = (uint64_t) bt_ctf_event_class_get_id(event->event_class); |
1180 | assert(event_class_id >= 0); | |
b3376dd9 | 1181 | if (id_field && bt_ctf_field_type_is_integer(id_field->type)) { |
19abc2c6 | 1182 | ret = set_integer_field_value(id_field, event_class_id); |
ac0c6bdd | 1183 | if (ret) { |
19abc2c6 PP |
1184 | BT_LOGW("Cannot set event header's `id` field's value: " |
1185 | "addr=%p, value=%" PRIu64, id_field, | |
1186 | event_class_id); | |
ac0c6bdd PP |
1187 | goto end; |
1188 | } | |
1189 | } | |
1190 | ||
1191 | /* | |
1192 | * The conditions to automatically set the timestamp are: | |
1193 | * | |
1194 | * 1. The event header field "timestamp" exists and is an | |
1195 | * integer field. | |
1196 | * 2. This stream's class has a registered clock (set with | |
1197 | * bt_ctf_stream_class_set_clock()). | |
1198 | * 3. The event header field "timestamp" has its type mapped to | |
1199 | * a clock class which is also the clock class of this | |
1200 | * stream's class's registered clock. | |
ac0c6bdd PP |
1201 | */ |
1202 | timestamp_field = bt_ctf_field_structure_get_field(event->event_header, | |
1203 | "timestamp"); | |
b3376dd9 PP |
1204 | if (timestamp_field && stream->stream_class->clock && |
1205 | bt_ctf_field_type_is_integer(timestamp_field->type)) { | |
ac0c6bdd PP |
1206 | struct bt_ctf_clock_class *stream_class_clock_class = |
1207 | stream->stream_class->clock->clock_class; | |
ac0c6bdd | 1208 | |
ac0c6bdd PP |
1209 | mapped_clock_class = |
1210 | bt_ctf_field_type_integer_get_mapped_clock_class( | |
b3376dd9 | 1211 | timestamp_field->type); |
ac0c6bdd PP |
1212 | if (mapped_clock_class == stream_class_clock_class) { |
1213 | uint64_t timestamp; | |
1214 | ||
1215 | ret = bt_ctf_clock_get_value( | |
1216 | stream->stream_class->clock, | |
1217 | ×tamp); | |
19abc2c6 | 1218 | assert(ret == 0); |
ac0c6bdd PP |
1219 | ret = set_integer_field_value(timestamp_field, |
1220 | timestamp); | |
1221 | if (ret) { | |
19abc2c6 PP |
1222 | BT_LOGW("Cannot set event header's `timestamp` field's value: " |
1223 | "addr=%p, value=%" PRIu64, | |
1224 | timestamp_field, timestamp); | |
ac0c6bdd PP |
1225 | goto end; |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | ||
b3376dd9 | 1230 | BT_LOGV("Automatically populated event's header field: " |
19abc2c6 PP |
1231 | "stream-addr=%p, stream-name=\"%s\", event-addr=%p", |
1232 | stream, bt_ctf_stream_get_name(stream), event); | |
1233 | ||
ac0c6bdd PP |
1234 | end: |
1235 | bt_put(id_field); | |
1236 | bt_put(timestamp_field); | |
1237 | bt_put(mapped_clock_class); | |
1238 | return ret; | |
1239 | } | |
1240 | ||
273b65be JG |
1241 | int bt_ctf_stream_append_event(struct bt_ctf_stream *stream, |
1242 | struct bt_ctf_event *event) | |
1243 | { | |
1244 | int ret = 0; | |
273b65be | 1245 | |
19abc2c6 PP |
1246 | if (!stream) { |
1247 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1248 | ret = -1; | |
1249 | goto end; | |
1250 | } | |
1251 | ||
1252 | if (!event) { | |
1253 | BT_LOGW_STR("Invalid parameter: event is NULL."); | |
1254 | ret = -1; | |
1255 | goto end; | |
1256 | } | |
1257 | ||
1258 | if (stream->pos.fd < 0) { | |
1259 | BT_LOGW_STR("Invalid parameter: stream is not a CTF writer stream."); | |
273b65be JG |
1260 | ret = -1; |
1261 | goto end; | |
1262 | } | |
1263 | ||
19abc2c6 PP |
1264 | BT_LOGV("Appending event to stream: " |
1265 | "stream-addr=%p, stream-name=\"%s\", event-addr=%p, " | |
1266 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
1267 | stream, bt_ctf_stream_get_name(stream), event, | |
1268 | bt_ctf_event_class_get_name(bt_ctf_event_borrow_event_class(event)), | |
1269 | bt_ctf_event_class_get_id(bt_ctf_event_borrow_event_class(event))); | |
1270 | ||
fa29ba83 PP |
1271 | /* |
1272 | * The event is not supposed to have a parent stream at this | |
1273 | * point. The only other way an event can have a parent stream | |
1274 | * is if it was assigned when setting a packet to the event, | |
1275 | * in which case the packet's stream is not a writer stream, | |
1276 | * and thus the user is trying to append an event which belongs | |
1277 | * to another stream. | |
1278 | */ | |
1279 | if (event->base.parent) { | |
1280 | ret = -1; | |
1281 | goto end; | |
1282 | } | |
1283 | ||
e6a8e8e4 | 1284 | bt_object_set_parent(event, stream); |
19abc2c6 | 1285 | BT_LOGV_STR("Automatically populating the header of the event to append."); |
ac0c6bdd | 1286 | ret = auto_populate_event_header(stream, event); |
662e778c | 1287 | if (ret) { |
19abc2c6 | 1288 | /* auto_populate_event_header() reports errors */ |
37f30168 | 1289 | goto error; |
662e778c JG |
1290 | } |
1291 | ||
5fd2e9fd | 1292 | /* Make sure the various scopes of the event are set */ |
19abc2c6 | 1293 | BT_LOGV_STR("Validating event to append."); |
273b65be JG |
1294 | ret = bt_ctf_event_validate(event); |
1295 | if (ret) { | |
37f30168 | 1296 | goto error; |
273b65be JG |
1297 | } |
1298 | ||
0d688c15 | 1299 | /* Save the new event and freeze it */ |
19abc2c6 | 1300 | BT_LOGV_STR("Freezing the event to append."); |
0d688c15 | 1301 | bt_ctf_event_freeze(event); |
273b65be | 1302 | g_ptr_array_add(stream->events, event); |
5fd2e9fd | 1303 | |
e6a8e8e4 JG |
1304 | /* |
1305 | * Event had to hold a reference to its event class as long as it wasn't | |
1306 | * part of the same trace hierarchy. From now on, the event and its | |
1307 | * class share the same lifetime guarantees and the reference is no | |
1308 | * longer needed. | |
1309 | */ | |
19abc2c6 | 1310 | BT_LOGV_STR("Putting the event's class."); |
e6a8e8e4 | 1311 | bt_put(event->event_class); |
19abc2c6 PP |
1312 | BT_LOGV("Appended event to stream: " |
1313 | "stream-addr=%p, stream-name=\"%s\", event-addr=%p, " | |
1314 | "event-class-name=\"%s\", event-class-id=%" PRId64, | |
1315 | stream, bt_ctf_stream_get_name(stream), event, | |
1316 | bt_ctf_event_class_get_name(bt_ctf_event_borrow_event_class(event)), | |
1317 | bt_ctf_event_class_get_id(bt_ctf_event_borrow_event_class(event))); | |
37f30168 | 1318 | |
273b65be | 1319 | end: |
37f30168 PP |
1320 | return ret; |
1321 | ||
1322 | error: | |
1323 | /* | |
1324 | * Orphan the event; we were not successful in associating it to | |
1325 | * a stream. | |
1326 | */ | |
1327 | bt_object_set_parent(event, NULL); | |
1328 | ||
273b65be JG |
1329 | return ret; |
1330 | } | |
1331 | ||
12c8a1a3 JG |
1332 | struct bt_ctf_field *bt_ctf_stream_get_packet_context( |
1333 | struct bt_ctf_stream *stream) | |
1334 | { | |
1335 | struct bt_ctf_field *packet_context = NULL; | |
1336 | ||
19abc2c6 PP |
1337 | if (!stream) { |
1338 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1339 | goto end; | |
1340 | } | |
1341 | ||
1342 | if (stream->pos.fd < 0) { | |
1343 | BT_LOGW("Invalid parameter: stream is not a CTF writer stream: " | |
1344 | "stream-addr=%p, stream-name=\"%s\"", stream, | |
1345 | bt_ctf_stream_get_name(stream)); | |
12c8a1a3 JG |
1346 | goto end; |
1347 | } | |
1348 | ||
1349 | packet_context = stream->packet_context; | |
12c8a1a3 | 1350 | if (packet_context) { |
83509119 | 1351 | bt_get(packet_context); |
12c8a1a3 | 1352 | } |
34629a55 | 1353 | end: |
12c8a1a3 JG |
1354 | return packet_context; |
1355 | } | |
1356 | ||
1357 | int bt_ctf_stream_set_packet_context(struct bt_ctf_stream *stream, | |
1358 | struct bt_ctf_field *field) | |
1359 | { | |
1360 | int ret = 0; | |
1361 | struct bt_ctf_field_type *field_type; | |
1362 | ||
19abc2c6 PP |
1363 | if (!stream) { |
1364 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1365 | ret = -1; | |
1366 | goto end; | |
1367 | } | |
1368 | ||
1369 | if (stream->pos.fd < 0) { | |
1370 | BT_LOGW_STR("Invalid parameter: stream is not a CTF writer stream."); | |
12c8a1a3 JG |
1371 | ret = -1; |
1372 | goto end; | |
1373 | } | |
1374 | ||
1375 | field_type = bt_ctf_field_get_type(field); | |
09840de5 PP |
1376 | if (bt_ctf_field_type_compare(field_type, |
1377 | stream->stream_class->packet_context_type)) { | |
19abc2c6 PP |
1378 | BT_LOGW("Invalid parameter: packet context's field type is different from the stream's packet context field type: " |
1379 | "stream-addr=%p, stream-name=\"%s\", " | |
1380 | "packet-context-field-addr=%p, " | |
1381 | "packet-context-ft-addr=%p", | |
1382 | stream, bt_ctf_stream_get_name(stream), | |
1383 | field, field_type); | |
12c8a1a3 JG |
1384 | ret = -1; |
1385 | goto end; | |
1386 | } | |
1387 | ||
83509119 | 1388 | bt_put(field_type); |
83509119 | 1389 | bt_put(stream->packet_context); |
835b2d10 | 1390 | stream->packet_context = bt_get(field); |
19abc2c6 PP |
1391 | BT_LOGV("Set stream's packet context field: " |
1392 | "stream-addr=%p, stream-name=\"%s\", " | |
1393 | "packet-context-field-addr=%p", | |
1394 | stream, bt_ctf_stream_get_name(stream), field); | |
12c8a1a3 JG |
1395 | end: |
1396 | return ret; | |
1397 | } | |
1398 | ||
263a7df5 JG |
1399 | struct bt_ctf_field *bt_ctf_stream_get_packet_header( |
1400 | struct bt_ctf_stream *stream) | |
1401 | { | |
1402 | struct bt_ctf_field *packet_header = NULL; | |
1403 | ||
19abc2c6 PP |
1404 | if (!stream) { |
1405 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1406 | goto end; | |
1407 | } | |
1408 | ||
1409 | if (stream->pos.fd < 0) { | |
1410 | BT_LOGW("Invalid parameter: stream is not a CTF writer stream: " | |
1411 | "stream-addr=%p, stream-name=\"%s\"", stream, | |
1412 | bt_ctf_stream_get_name(stream)); | |
263a7df5 JG |
1413 | goto end; |
1414 | } | |
1415 | ||
1416 | packet_header = stream->packet_header; | |
1417 | if (packet_header) { | |
83509119 | 1418 | bt_get(packet_header); |
263a7df5 JG |
1419 | } |
1420 | end: | |
1421 | return packet_header; | |
1422 | } | |
1423 | ||
1424 | int bt_ctf_stream_set_packet_header(struct bt_ctf_stream *stream, | |
1425 | struct bt_ctf_field *field) | |
1426 | { | |
1427 | int ret = 0; | |
e6a8e8e4 | 1428 | struct bt_ctf_trace *trace = NULL; |
263a7df5 JG |
1429 | struct bt_ctf_field_type *field_type = NULL; |
1430 | ||
19abc2c6 PP |
1431 | if (!stream) { |
1432 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1433 | ret = -1; | |
1434 | goto end; | |
1435 | } | |
1436 | ||
1437 | if (stream->pos.fd < 0) { | |
1438 | BT_LOGW_STR("Invalid parameter: stream is not a CTF writer stream."); | |
263a7df5 JG |
1439 | ret = -1; |
1440 | goto end; | |
1441 | } | |
1442 | ||
e6a8e8e4 | 1443 | trace = (struct bt_ctf_trace *) bt_object_get_parent(stream); |
b3376dd9 PP |
1444 | |
1445 | if (!field) { | |
1446 | if (trace->packet_header_type) { | |
1447 | BT_LOGW("Invalid parameter: setting no packet header but packet header field type is not NULL: " | |
1448 | "stream-addr=%p, stream-name=\"%s\", " | |
1449 | "packet-header-field-addr=%p, " | |
1450 | "expected-ft-addr=%p", | |
1451 | stream, bt_ctf_stream_get_name(stream), | |
1452 | field, trace->packet_header_type); | |
1453 | ret = -1; | |
1454 | goto end; | |
1455 | } | |
1456 | ||
1457 | goto skip_validation; | |
1458 | } | |
1459 | ||
263a7df5 | 1460 | field_type = bt_ctf_field_get_type(field); |
b3376dd9 PP |
1461 | assert(field_type); |
1462 | ||
09840de5 | 1463 | if (bt_ctf_field_type_compare(field_type, trace->packet_header_type)) { |
19abc2c6 PP |
1464 | BT_LOGW("Invalid parameter: packet header's field type is different from the stream's packet header field type: " |
1465 | "stream-addr=%p, stream-name=\"%s\", " | |
1466 | "packet-header-field-addr=%p, " | |
1467 | "packet-header-ft-addr=%p", | |
1468 | stream, bt_ctf_stream_get_name(stream), | |
1469 | field, field_type); | |
263a7df5 JG |
1470 | ret = -1; |
1471 | goto end; | |
1472 | } | |
1473 | ||
b3376dd9 | 1474 | skip_validation: |
83509119 | 1475 | bt_put(stream->packet_header); |
835b2d10 | 1476 | stream->packet_header = bt_get(field); |
19abc2c6 PP |
1477 | BT_LOGV("Set stream's packet header field: " |
1478 | "stream-addr=%p, stream-name=\"%s\", " | |
1479 | "packet-header-field-addr=%p", | |
1480 | stream, bt_ctf_stream_get_name(stream), field); | |
263a7df5 | 1481 | end: |
e6a8e8e4 | 1482 | BT_PUT(trace); |
83509119 | 1483 | bt_put(field_type); |
263a7df5 JG |
1484 | return ret; |
1485 | } | |
1486 | ||
c9af50d1 JG |
1487 | static |
1488 | void reset_structure_field(struct bt_ctf_field *structure, const char *name) | |
1489 | { | |
1490 | struct bt_ctf_field *member; | |
1491 | ||
1492 | member = bt_ctf_field_structure_get_field(structure, name); | |
db1af8cc JD |
1493 | if (member) { |
1494 | (void) bt_ctf_field_reset(member); | |
1495 | bt_put(member); | |
1496 | } | |
c9af50d1 JG |
1497 | } |
1498 | ||
273b65be JG |
1499 | int bt_ctf_stream_flush(struct bt_ctf_stream *stream) |
1500 | { | |
1501 | int ret = 0; | |
1502 | size_t i; | |
dc3fffef PP |
1503 | struct bt_ctf_stream_pos packet_context_pos; |
1504 | struct bt_ctf_trace *trace; | |
1505 | enum bt_ctf_byte_order native_byte_order; | |
1c1d572f | 1506 | bool has_packet_size = false; |
273b65be | 1507 | |
19abc2c6 PP |
1508 | if (!stream) { |
1509 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
1510 | ret = -1; | |
1511 | goto end; | |
1512 | } | |
1513 | ||
1514 | if (stream->pos.fd < 0) { | |
1515 | BT_LOGW_STR("Invalid parameter: stream is not a CTF writer stream."); | |
273b65be JG |
1516 | ret = -1; |
1517 | goto end; | |
1518 | } | |
1519 | ||
1c1d572f | 1520 | if (stream->packet_context) { |
b3376dd9 PP |
1521 | struct bt_ctf_field *packet_size_field; |
1522 | ||
1c1d572f JD |
1523 | packet_size_field = bt_ctf_field_structure_get_field( |
1524 | stream->packet_context, "packet_size"); | |
1525 | has_packet_size = (packet_size_field != NULL); | |
1526 | bt_put(packet_size_field); | |
1527 | } | |
1528 | ||
1529 | if (stream->flushed_packet_count == 1) { | |
b3376dd9 PP |
1530 | if (!stream->packet_context) { |
1531 | BT_LOGW_STR("Cannot flush a stream which has no packet context field more than once."); | |
1532 | ret = -1; | |
1533 | goto end; | |
1534 | } | |
1535 | ||
1c1d572f | 1536 | if (!has_packet_size) { |
b3376dd9 PP |
1537 | BT_LOGW_STR("Cannot flush a stream which has no packet context's `packet_size` field more than once."); |
1538 | ret = -1; | |
1539 | goto end; | |
1540 | } | |
664f50c8 JG |
1541 | } |
1542 | ||
19abc2c6 PP |
1543 | BT_LOGV("Flushing stream's current packet: stream-addr=%p, " |
1544 | "stream-name=\"%s\", packet-index=%u", stream, | |
1545 | bt_ctf_stream_get_name(stream), stream->flushed_packet_count); | |
dc3fffef PP |
1546 | trace = bt_ctf_stream_class_borrow_trace(stream->stream_class); |
1547 | assert(trace); | |
8a716c8d | 1548 | native_byte_order = bt_ctf_trace_get_native_byte_order(trace); |
d246b111 | 1549 | |
b3376dd9 | 1550 | ret = auto_populate_packet_header(stream); |
d246b111 | 1551 | if (ret) { |
b3376dd9 PP |
1552 | BT_LOGW_STR("Cannot automatically populate the stream's packet header field."); |
1553 | ret = -1; | |
d246b111 | 1554 | goto end; |
273b65be JG |
1555 | } |
1556 | ||
b3376dd9 PP |
1557 | ret = auto_populate_packet_context(stream); |
1558 | if (ret) { | |
1559 | BT_LOGW_STR("Cannot automatically populate the stream's packet context field."); | |
1560 | ret = -1; | |
1561 | goto end; | |
1562 | } | |
98edd02c | 1563 | |
b3376dd9 PP |
1564 | /* mmap the next packet */ |
1565 | BT_LOGV("Seeking to the next packet: pos-offset=%" PRId64, | |
1566 | stream->pos.offset); | |
1567 | bt_ctf_stream_pos_packet_seek(&stream->pos, 0, SEEK_CUR); | |
1568 | assert(stream->pos.packet_size % 8 == 0); | |
273b65be | 1569 | |
b3376dd9 PP |
1570 | if (stream->packet_header) { |
1571 | BT_LOGV_STR("Serializing packet header field."); | |
1572 | ret = bt_ctf_field_serialize(stream->packet_header, &stream->pos, | |
1573 | native_byte_order); | |
1574 | if (ret) { | |
1575 | BT_LOGW("Cannot serialize stream's packet header field: " | |
1576 | "field-addr=%p", stream->packet_header); | |
98edd02c JG |
1577 | goto end; |
1578 | } | |
b3376dd9 | 1579 | } |
12c8a1a3 | 1580 | |
b3376dd9 | 1581 | if (stream->packet_context) { |
10cb7b41 JG |
1582 | /* Write packet context */ |
1583 | memcpy(&packet_context_pos, &stream->pos, | |
dc3fffef | 1584 | sizeof(packet_context_pos)); |
19abc2c6 | 1585 | BT_LOGV_STR("Serializing packet context field."); |
10cb7b41 | 1586 | ret = bt_ctf_field_serialize(stream->packet_context, |
dc3fffef | 1587 | &stream->pos, native_byte_order); |
98edd02c | 1588 | if (ret) { |
b3376dd9 | 1589 | BT_LOGW("Cannot serialize stream's packet context field: " |
19abc2c6 | 1590 | "field-addr=%p", stream->packet_context); |
98edd02c JG |
1591 | goto end; |
1592 | } | |
12c8a1a3 JG |
1593 | } |
1594 | ||
19abc2c6 PP |
1595 | BT_LOGV("Serializing events: count=%u", stream->events->len); |
1596 | ||
273b65be JG |
1597 | for (i = 0; i < stream->events->len; i++) { |
1598 | struct bt_ctf_event *event = g_ptr_array_index( | |
1599 | stream->events, i); | |
19abc2c6 PP |
1600 | struct bt_ctf_event_class *event_class = |
1601 | bt_ctf_event_borrow_event_class(event); | |
1602 | ||
b3376dd9 | 1603 | BT_LOGV("Serializing event: index=%zu, event-addr=%p, " |
19abc2c6 PP |
1604 | "event-class-name=\"%s\", event-class-id=%" PRId64 ", " |
1605 | "pos-offset=%" PRId64 ", packet-size=%" PRIu64, | |
1606 | i, event, bt_ctf_event_class_get_name(event_class), | |
1607 | bt_ctf_event_class_get_id(event_class), | |
1608 | stream->pos.offset, stream->pos.packet_size); | |
273b65be | 1609 | |
273b65be | 1610 | /* Write event header */ |
06b019a7 JD |
1611 | if (event->event_header) { |
1612 | BT_LOGV_STR("Serializing event's header field."); | |
1613 | ret = bt_ctf_field_serialize(event->event_header, | |
1614 | &stream->pos, native_byte_order); | |
1615 | if (ret) { | |
1616 | BT_LOGW("Cannot serialize event's header field: " | |
1617 | "field-addr=%p", event->event_header); | |
1618 | goto end; | |
1619 | } | |
273b65be JG |
1620 | } |
1621 | ||
8bfa3f9c | 1622 | /* Write stream event context */ |
5fd2e9fd | 1623 | if (event->stream_event_context) { |
19abc2c6 | 1624 | BT_LOGV_STR("Serializing event's stream event context field."); |
8bfa3f9c | 1625 | ret = bt_ctf_field_serialize( |
dc3fffef PP |
1626 | event->stream_event_context, &stream->pos, |
1627 | native_byte_order); | |
8bfa3f9c | 1628 | if (ret) { |
b3376dd9 | 1629 | BT_LOGW("Cannot serialize event's stream event context field: " |
19abc2c6 | 1630 | "field-addr=%p", event->stream_event_context); |
8bfa3f9c JG |
1631 | goto end; |
1632 | } | |
1633 | } | |
1634 | ||
273b65be | 1635 | /* Write event content */ |
dc3fffef PP |
1636 | ret = bt_ctf_event_serialize(event, &stream->pos, |
1637 | native_byte_order); | |
273b65be | 1638 | if (ret) { |
19abc2c6 | 1639 | /* bt_ctf_event_serialize() logs errors */ |
273b65be JG |
1640 | goto end; |
1641 | } | |
1642 | } | |
1643 | ||
1c1d572f JD |
1644 | if (!has_packet_size && stream->pos.offset % 8 != 0) { |
1645 | BT_LOGW("Stream's packet context field type has no `packet_size` field, " | |
1646 | "but current content size is not a multiple of 8 bits: " | |
1647 | "content-size=%" PRId64 ", " | |
1648 | "packet-size=%" PRIu64, | |
1649 | stream->pos.offset, | |
1650 | stream->pos.packet_size); | |
1651 | ret = -1; | |
1652 | goto end; | |
1653 | } | |
1654 | ||
b3376dd9 | 1655 | assert(stream->pos.packet_size % 8 == 0); |
0686ef94 | 1656 | |
1c1d572f JD |
1657 | /* |
1658 | * Remove extra padding bytes. | |
1659 | */ | |
1660 | stream->pos.packet_size = (stream->pos.offset + 7) & ~7; | |
1661 | ||
98edd02c JG |
1662 | if (stream->packet_context) { |
1663 | /* | |
b3376dd9 PP |
1664 | * The whole packet is serialized at this point. Make sure that, |
1665 | * if `packet_size` is missing, the current content size is | |
1666 | * equal to the current packet size. | |
98edd02c | 1667 | */ |
b3376dd9 PP |
1668 | struct bt_ctf_field *field = bt_ctf_field_structure_get_field( |
1669 | stream->packet_context, "content_size"); | |
1670 | ||
1671 | bt_put(field); | |
1672 | if (!field) { | |
1673 | if (stream->pos.offset != stream->pos.packet_size) { | |
1674 | BT_LOGW("Stream's packet context's `content_size` field is missing, " | |
1675 | "but current packet's content size is not equal to its packet size: " | |
1676 | "content-size=%" PRId64 ", " | |
1677 | "packet-size=%" PRIu64, | |
1678 | stream->pos.offset, | |
1679 | stream->pos.packet_size); | |
1680 | ret = -1; | |
c9af50d1 JG |
1681 | goto end; |
1682 | } | |
98edd02c | 1683 | } |
273b65be | 1684 | |
b3376dd9 PP |
1685 | /* |
1686 | * Overwrite the packet context now that the stream | |
1687 | * position's packet and content sizes have the correct | |
1688 | * values. | |
1689 | * | |
1690 | * Copy base_mma as the packet may have been remapped | |
1691 | * (e.g. when a packet is resized). | |
1692 | */ | |
1693 | packet_context_pos.base_mma = stream->pos.base_mma; | |
1694 | ret = auto_populate_packet_context(stream); | |
1695 | if (ret) { | |
1696 | BT_LOGW_STR("Cannot automatically populate the stream's packet context field."); | |
1697 | ret = -1; | |
1698 | goto end; | |
98edd02c | 1699 | } |
273b65be | 1700 | |
19abc2c6 | 1701 | BT_LOGV("Rewriting (serializing) packet context field."); |
98edd02c | 1702 | ret = bt_ctf_field_serialize(stream->packet_context, |
dc3fffef | 1703 | &packet_context_pos, native_byte_order); |
98edd02c | 1704 | if (ret) { |
b3376dd9 | 1705 | BT_LOGW("Cannot serialize stream's packet context field: " |
19abc2c6 | 1706 | "field-addr=%p", stream->packet_context); |
98edd02c JG |
1707 | goto end; |
1708 | } | |
273b65be JG |
1709 | } |
1710 | ||
1711 | g_ptr_array_set_size(stream->events, 0); | |
1712 | stream->flushed_packet_count++; | |
b3376dd9 | 1713 | stream->size += stream->pos.packet_size / CHAR_BIT; |
1c1d572f JD |
1714 | |
1715 | do { | |
1716 | ret = ftruncate(stream->pos.fd, stream->size); | |
1717 | } while (ret == -1 && errno == EINTR); | |
1718 | if (ret == -1) { | |
0290b3c5 PP |
1719 | BT_LOGE_ERRNO("Cannot truncate stream file to new size", |
1720 | ": size=%" PRIu64 ", stream-addr=%p, " | |
1721 | "stream-name=\"%s\"", | |
1722 | stream->size, stream, | |
1723 | bt_ctf_stream_get_name(stream)); | |
1c1d572f JD |
1724 | } |
1725 | ||
273b65be | 1726 | end: |
c9af50d1 | 1727 | /* Reset automatically-set fields. */ |
1c1d572f JD |
1728 | if (stream->packet_context) { |
1729 | reset_structure_field(stream->packet_context, "timestamp_begin"); | |
1730 | reset_structure_field(stream->packet_context, "timestamp_end"); | |
1731 | reset_structure_field(stream->packet_context, "packet_size"); | |
1732 | reset_structure_field(stream->packet_context, "content_size"); | |
1733 | reset_structure_field(stream->packet_context, "events_discarded"); | |
1734 | } | |
cd7d8fb7 JG |
1735 | |
1736 | if (ret < 0) { | |
1737 | /* | |
1738 | * We failed to write the packet. Its size is therefore set to 0 | |
1739 | * to ensure the next mapping is done in the same place rather | |
1740 | * than advancing by "stream->pos.packet_size", which would | |
1741 | * leave a corrupted packet in the trace. | |
1742 | */ | |
1743 | stream->pos.packet_size = 0; | |
19abc2c6 | 1744 | } else { |
b3376dd9 PP |
1745 | BT_LOGV("Flushed stream's current packet: content-size=%" PRId64 ", " |
1746 | "packet-size=%" PRIu64, | |
1747 | stream->pos.offset, stream->pos.packet_size); | |
cd7d8fb7 | 1748 | } |
273b65be JG |
1749 | return ret; |
1750 | } | |
1751 | ||
19abc2c6 | 1752 | /* Pre-2.0 CTF writer backward compatibility */ |
273b65be JG |
1753 | void bt_ctf_stream_get(struct bt_ctf_stream *stream) |
1754 | { | |
83509119 | 1755 | bt_get(stream); |
273b65be JG |
1756 | } |
1757 | ||
19abc2c6 | 1758 | /* Pre-2.0 CTF writer backward compatibility */ |
273b65be JG |
1759 | void bt_ctf_stream_put(struct bt_ctf_stream *stream) |
1760 | { | |
83509119 | 1761 | bt_put(stream); |
273b65be JG |
1762 | } |
1763 | ||
1764 | static | |
83509119 | 1765 | void bt_ctf_stream_destroy(struct bt_object *obj) |
273b65be JG |
1766 | { |
1767 | struct bt_ctf_stream *stream; | |
3230ee6b | 1768 | int i; |
273b65be | 1769 | |
83509119 | 1770 | stream = container_of(obj, struct bt_ctf_stream, base); |
19abc2c6 PP |
1771 | BT_LOGD("Destroying stream object: addr=%p, name=\"%s\"", |
1772 | stream, bt_ctf_stream_get_name(stream)); | |
3230ee6b PP |
1773 | |
1774 | /* Call destroy listeners in reverse registration order */ | |
1775 | for (i = stream->destroy_listeners->len - 1; i >= 0; i--) { | |
1776 | struct bt_ctf_stream_destroy_listener *listener = | |
1777 | &g_array_index(stream->destroy_listeners, | |
1778 | struct bt_ctf_stream_destroy_listener, i); | |
1779 | ||
19abc2c6 PP |
1780 | BT_LOGD("Calling destroy listener: func=%p, data=%p, index=%d", |
1781 | listener->func, listener->data, i); | |
3230ee6b PP |
1782 | listener->func(stream, listener->data); |
1783 | } | |
1784 | ||
dc3fffef | 1785 | (void) bt_ctf_stream_pos_fini(&stream->pos); |
0686ef94 JG |
1786 | if (stream->pos.fd >= 0) { |
1787 | int ret; | |
1788 | ||
1789 | /* | |
1790 | * Truncate the file's size to the minimum required to fit the | |
1791 | * last packet as we might have grown it too much on the last | |
1792 | * mmap. | |
1793 | */ | |
1794 | do { | |
1795 | ret = ftruncate(stream->pos.fd, stream->size); | |
1796 | } while (ret == -1 && errno == EINTR); | |
1797 | if (ret) { | |
19abc2c6 PP |
1798 | BT_LOGE("Failed to truncate stream file: %s: " |
1799 | "ret=%d, errno=%d, size=%" PRIu64, | |
1800 | strerror(errno), ret, errno, | |
1801 | (uint64_t) stream->size); | |
0686ef94 JG |
1802 | } |
1803 | ||
1804 | if (close(stream->pos.fd)) { | |
19abc2c6 PP |
1805 | BT_LOGE("Failed to close stream file: %s: " |
1806 | "ret=%d, errno=%d", strerror(errno), | |
1807 | ret, errno); | |
0686ef94 | 1808 | } |
9f56e450 | 1809 | } |
12c8a1a3 | 1810 | |
12c8a1a3 | 1811 | if (stream->events) { |
19abc2c6 | 1812 | BT_LOGD_STR("Putting events."); |
12c8a1a3 JG |
1813 | g_ptr_array_free(stream->events, TRUE); |
1814 | } | |
b71d7298 PP |
1815 | |
1816 | if (stream->name) { | |
1817 | g_string_free(stream->name, TRUE); | |
1818 | } | |
41ac640a | 1819 | |
3230ee6b PP |
1820 | if (stream->comp_cur_port) { |
1821 | GHashTableIter ht_iter; | |
1822 | gpointer comp_gptr, port_gptr; | |
1823 | ||
1824 | /* | |
1825 | * Since we're destroying the stream, remove the destroy | |
1826 | * listeners that it registered for each component in | |
1827 | * its component-port mapping hash table. Otherwise they | |
1828 | * would be called and the stream would be accessed once | |
1829 | * it's freed or another stream would be accessed. | |
1830 | */ | |
1831 | g_hash_table_iter_init(&ht_iter, stream->comp_cur_port); | |
1832 | ||
1833 | while (g_hash_table_iter_next(&ht_iter, &comp_gptr, &port_gptr)) { | |
1834 | assert(comp_gptr); | |
1835 | bt_component_remove_destroy_listener((void *) comp_gptr, | |
1836 | component_destroy_listener, stream); | |
1837 | } | |
1838 | ||
1839 | g_hash_table_destroy(stream->comp_cur_port); | |
1840 | } | |
1841 | ||
1842 | if (stream->destroy_listeners) { | |
1843 | g_array_free(stream->destroy_listeners, TRUE); | |
1844 | } | |
1845 | ||
19abc2c6 | 1846 | BT_LOGD_STR("Putting packet header field."); |
83509119 | 1847 | bt_put(stream->packet_header); |
19abc2c6 | 1848 | BT_LOGD_STR("Putting packet context field."); |
83509119 | 1849 | bt_put(stream->packet_context); |
273b65be JG |
1850 | g_free(stream); |
1851 | } | |
1852 | ||
273b65be | 1853 | static |
af9296f3 | 1854 | int _set_structure_field_integer(struct bt_ctf_field *structure, char *name, |
c55a9f58 | 1855 | uint64_t value, bt_bool force) |
273b65be JG |
1856 | { |
1857 | int ret = 0; | |
d7b1ea66 | 1858 | struct bt_ctf_field_type *field_type = NULL; |
19abc2c6 | 1859 | struct bt_ctf_field *integer; |
12c8a1a3 | 1860 | |
19abc2c6 PP |
1861 | assert(structure); |
1862 | assert(name); | |
273b65be | 1863 | |
19abc2c6 | 1864 | integer = bt_ctf_field_structure_get_field(structure, name); |
12c8a1a3 JG |
1865 | if (!integer) { |
1866 | /* Field not found, not an error. */ | |
19abc2c6 PP |
1867 | BT_LOGV("Field not found: struct-field-addr=%p, " |
1868 | "name=\"%s\", force=%d", structure, name, force); | |
12c8a1a3 JG |
1869 | goto end; |
1870 | } | |
1871 | ||
1872 | /* Make sure the payload has not already been set. */ | |
af9296f3 | 1873 | if (!force && bt_ctf_field_is_set(integer)) { |
12c8a1a3 | 1874 | /* Payload already set, not an error */ |
19abc2c6 PP |
1875 | BT_LOGV("Field's payload is already set: struct-field-addr=%p, " |
1876 | "name=\"%s\", force=%d", structure, name, force); | |
12c8a1a3 JG |
1877 | goto end; |
1878 | } | |
1879 | ||
d7b1ea66 | 1880 | field_type = bt_ctf_field_get_type(integer); |
d7b1ea66 | 1881 | assert(field_type); |
1487a16a | 1882 | if (bt_ctf_field_type_get_type_id(field_type) != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
d7b1ea66 JG |
1883 | /* |
1884 | * The user most likely meant for us to populate this field | |
1885 | * automatically. However, we can only do this if the field | |
1886 | * is an integer. Return an error. | |
1887 | */ | |
19abc2c6 PP |
1888 | BT_LOGW("Invalid parameter: field's type is not an integer field type: " |
1889 | "field-addr=%p, ft-addr=%p, ft-id=%s", | |
1890 | integer, field_type, | |
1891 | bt_ctf_field_type_id_string(field_type->id)); | |
d7b1ea66 JG |
1892 | ret = -1; |
1893 | goto end; | |
1894 | } | |
1895 | ||
1896 | if (bt_ctf_field_type_integer_get_signed(field_type)) { | |
1897 | ret = bt_ctf_field_signed_integer_set_value(integer, | |
1898 | (int64_t) value); | |
1899 | } else { | |
1900 | ret = bt_ctf_field_unsigned_integer_set_value(integer, value); | |
1901 | } | |
af9296f3 | 1902 | ret = !ret ? 1 : ret; |
273b65be | 1903 | end: |
83509119 JG |
1904 | bt_put(integer); |
1905 | bt_put(field_type); | |
273b65be JG |
1906 | return ret; |
1907 | } | |
b71d7298 | 1908 | |
af9296f3 JG |
1909 | /* |
1910 | * Returns the following codes: | |
1911 | * 1 if the field was found and set, | |
1912 | * 0 if nothing was done (field not found, or was already set), | |
1913 | * <0 if an error was encoutered | |
1914 | */ | |
1915 | static | |
1916 | int try_set_structure_field_integer(struct bt_ctf_field *structure, char *name, | |
1917 | uint64_t value) | |
1918 | { | |
c55a9f58 | 1919 | return _set_structure_field_integer(structure, name, value, BT_FALSE); |
af9296f3 JG |
1920 | } |
1921 | ||
b71d7298 PP |
1922 | const char *bt_ctf_stream_get_name(struct bt_ctf_stream *stream) |
1923 | { | |
1924 | const char *name = NULL; | |
1925 | ||
1926 | if (!stream) { | |
19abc2c6 | 1927 | BT_LOGW_STR("Invalid parameter: stream is NULL."); |
b71d7298 PP |
1928 | goto end; |
1929 | } | |
1930 | ||
1931 | name = stream->name ? stream->name->str : NULL; | |
1932 | ||
1933 | end: | |
1934 | return name; | |
1935 | } | |
98a4cbef PP |
1936 | |
1937 | int bt_ctf_stream_is_writer(struct bt_ctf_stream *stream) | |
1938 | { | |
1939 | int ret = -1; | |
1940 | ||
1941 | if (!stream) { | |
19abc2c6 | 1942 | BT_LOGW_STR("Invalid parameter: stream is NULL."); |
98a4cbef PP |
1943 | goto end; |
1944 | } | |
1945 | ||
1946 | ret = (stream->pos.fd >= 0); | |
1947 | ||
1948 | end: | |
1949 | return ret; | |
1950 | } | |
3230ee6b PP |
1951 | |
1952 | BT_HIDDEN | |
1953 | void bt_ctf_stream_map_component_to_port(struct bt_ctf_stream *stream, | |
1954 | struct bt_component *comp, | |
1955 | struct bt_port *port) | |
1956 | { | |
1957 | assert(stream); | |
1958 | assert(comp); | |
1959 | assert(port); | |
1960 | assert(stream->comp_cur_port); | |
1961 | ||
1962 | /* | |
1963 | * Do not take a reference to the component here because we | |
1964 | * don't want the component to exist as long as this stream | |
1965 | * exists. Instead, keep a weak reference, but add a destroy | |
1966 | * listener so that we remove this hash table entry when we know | |
1967 | * the component is destroyed. | |
1968 | */ | |
a2136eca PP |
1969 | BT_LOGV("Adding component's destroy listener for stream: " |
1970 | "stream-addr=%p, stream-name=\"%s\", comp-addr=%p, " | |
1971 | "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"", | |
19abc2c6 PP |
1972 | stream, bt_ctf_stream_get_name(stream), |
1973 | comp, bt_component_get_name(comp), port, | |
1974 | bt_port_get_name(port)); | |
a2136eca PP |
1975 | bt_component_add_destroy_listener(comp, component_destroy_listener, |
1976 | stream); | |
1977 | g_hash_table_insert(stream->comp_cur_port, comp, port); | |
1978 | BT_LOGV_STR("Mapped component to port for stream."); | |
3230ee6b PP |
1979 | } |
1980 | ||
1981 | BT_HIDDEN | |
1982 | struct bt_port *bt_ctf_stream_port_for_component(struct bt_ctf_stream *stream, | |
1983 | struct bt_component *comp) | |
1984 | { | |
1985 | assert(stream); | |
1986 | assert(comp); | |
1987 | assert(stream->comp_cur_port); | |
1988 | return g_hash_table_lookup(stream->comp_cur_port, comp); | |
1989 | } | |
1990 | ||
1991 | BT_HIDDEN | |
1992 | void bt_ctf_stream_add_destroy_listener(struct bt_ctf_stream *stream, | |
1993 | bt_ctf_stream_destroy_listener_func func, void *data) | |
1994 | { | |
1995 | struct bt_ctf_stream_destroy_listener listener; | |
1996 | ||
1997 | assert(stream); | |
1998 | assert(func); | |
1999 | listener.func = func; | |
2000 | listener.data = data; | |
2001 | g_array_append_val(stream->destroy_listeners, listener); | |
19abc2c6 PP |
2002 | BT_LOGV("Added stream destroy listener: stream-addr=%p, " |
2003 | "stream-name=\"%s\", func=%p, data=%p", | |
2004 | stream, bt_ctf_stream_get_name(stream), func, data); | |
3230ee6b PP |
2005 | } |
2006 | ||
2007 | BT_HIDDEN | |
2008 | void bt_ctf_stream_remove_destroy_listener(struct bt_ctf_stream *stream, | |
2009 | bt_ctf_stream_destroy_listener_func func, void *data) | |
2010 | { | |
2011 | size_t i; | |
2012 | ||
2013 | assert(stream); | |
2014 | assert(func); | |
2015 | ||
2016 | for (i = 0; i < stream->destroy_listeners->len; i++) { | |
2017 | struct bt_ctf_stream_destroy_listener *listener = | |
2018 | &g_array_index(stream->destroy_listeners, | |
2019 | struct bt_ctf_stream_destroy_listener, i); | |
2020 | ||
2021 | if (listener->func == func && listener->data == data) { | |
2022 | g_array_remove_index(stream->destroy_listeners, i); | |
2023 | i--; | |
19abc2c6 PP |
2024 | BT_LOGV("Removed stream destroy listener: stream-addr=%p, " |
2025 | "stream-name=\"%s\", func=%p, data=%p", | |
2026 | stream, bt_ctf_stream_get_name(stream), | |
2027 | func, data); | |
3230ee6b PP |
2028 | } |
2029 | } | |
2030 | } | |
cfe11c58 PP |
2031 | |
2032 | int64_t bt_ctf_stream_get_id(struct bt_ctf_stream *stream) | |
2033 | { | |
2034 | int64_t ret; | |
2035 | ||
2036 | if (!stream) { | |
2037 | BT_LOGW_STR("Invalid parameter: stream is NULL."); | |
2038 | ret = (int64_t) -1; | |
2039 | goto end; | |
2040 | } | |
2041 | ||
2042 | ret = stream->id; | |
2043 | if (ret < 0) { | |
2044 | BT_LOGV("Stream's ID is not set: addr=%p, name=\"%s\"", | |
2045 | stream, bt_ctf_stream_get_name(stream)); | |
2046 | } | |
2047 | ||
2048 | end: | |
2049 | return ret; | |
2050 | } |