Fix typos
[babeltrace.git] / src / plugins / ctf / fs-src / fs.cpp
CommitLineData
7a278c8e 1/*
0235b0db 2 * SPDX-License-Identifier: MIT
7a278c8e 3 *
1a9f7075 4 * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com>
f3bc2010 5 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7a278c8e 6 *
0235b0db 7 * Babeltrace CTF file system Reader Component
7a278c8e
JG
8 */
9
c802cacb
SM
10#include <glib.h>
11#include <inttypes.h>
c802cacb
SM
12
13#include <babeltrace2/babeltrace.h>
14
4c65a157 15#define BT_COMP_LOG_SELF_COMP self_comp
71436ae4 16#define BT_LOG_OUTPUT_LEVEL ((enum bt_log_level) log_level)
4164020e 17#define BT_LOG_TAG "PLUGIN/SRC.CTF.FS"
d9c39b0a 18#include "logging/comp-logging.h"
98903a3e 19
c802cacb 20#include "common/assert.h"
578e048b 21#include "common/common.h"
6162e6b7 22#include "common/uuid.h"
c802cacb
SM
23
24#include "plugins/common/param-validation/param-validation.h"
25
087cd0f5
SM
26#include "../common/metadata/ctf-meta-configure-ir-trace.hpp"
27#include "../common/msg-iter/msg-iter.hpp"
c802cacb
SM
28#include "data-stream-file.hpp"
29#include "file.hpp"
30#include "fs.hpp"
31#include "metadata.hpp"
c7e1be4b 32#include "plugins/ctf/common/metadata/ctf-meta.hpp"
087cd0f5 33#include "query.hpp"
e7a4393b 34
4164020e
SM
35struct tracer_info
36{
37 const char *name;
38 int64_t major;
39 int64_t minor;
40 int64_t patch;
626cc488
FD
41};
42
4164020e 43static void ctf_fs_msg_iter_data_destroy(struct ctf_fs_msg_iter_data *msg_iter_data)
94cf822e 44{
4164020e
SM
45 if (!msg_iter_data) {
46 return;
47 }
94cf822e 48
4164020e
SM
49 if (msg_iter_data->msg_iter) {
50 ctf_msg_iter_destroy(msg_iter_data->msg_iter);
51 }
6de92955 52
4164020e
SM
53 if (msg_iter_data->msg_iter_medops_data) {
54 ctf_fs_ds_group_medops_data_destroy(msg_iter_data->msg_iter_medops_data);
55 }
94cf822e 56
4164020e 57 g_free(msg_iter_data);
fc917f65
PP
58}
59
4164020e
SM
60static bt_message_iterator_class_next_method_status
61ctf_fs_iterator_next_one(struct ctf_fs_msg_iter_data *msg_iter_data, const bt_message **out_msg)
ea0b4b9e 62{
4164020e
SM
63 bt_message_iterator_class_next_method_status status;
64 enum ctf_msg_iter_status msg_iter_status;
65 bt_logging_level log_level = msg_iter_data->log_level;
66
67 msg_iter_status = ctf_msg_iter_get_next_message(msg_iter_data->msg_iter, out_msg);
68
69 switch (msg_iter_status) {
70 case CTF_MSG_ITER_STATUS_OK:
71 /* Cool, message has been written to *out_msg. */
72 status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
73 break;
74
75 case CTF_MSG_ITER_STATUS_EOF:
76 status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
77 break;
78
79 case CTF_MSG_ITER_STATUS_AGAIN:
80 /*
81 * Should not make it this far as this is
82 * medium-specific; there is nothing for the user to do
83 * and it should have been handled upstream.
84 */
85 bt_common_abort();
86
87 case CTF_MSG_ITER_STATUS_ERROR:
88 BT_MSG_ITER_LOGE_APPEND_CAUSE(msg_iter_data->self_msg_iter,
89 "Failed to get next message from CTF message iterator.");
90 status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
91 break;
92
93 case CTF_MSG_ITER_STATUS_MEMORY_ERROR:
94 BT_MSG_ITER_LOGE_APPEND_CAUSE(msg_iter_data->self_msg_iter,
95 "Failed to get next message from CTF message iterator.");
96 status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
97 break;
98
99 default:
100 bt_common_abort();
101 }
102
103 return status;
d4393e08
PP
104}
105
4164020e
SM
106bt_message_iterator_class_next_method_status
107ctf_fs_iterator_next(bt_self_message_iterator *iterator, bt_message_array_const msgs,
108 uint64_t capacity, uint64_t *count)
d4393e08 109{
4164020e
SM
110 bt_message_iterator_class_next_method_status status;
111 struct ctf_fs_msg_iter_data *msg_iter_data =
112 (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(iterator);
113 uint64_t i = 0;
114
115 if (G_UNLIKELY(msg_iter_data->next_saved_error)) {
116 /*
117 * Last time we were called, we hit an error but had some
118 * messages to deliver, so we stashed the error here. Return
119 * it now.
120 */
121 BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(msg_iter_data->next_saved_error);
122 status = msg_iter_data->next_saved_status;
123 goto end;
124 }
125
126 do {
127 status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]);
128 if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) {
129 i++;
130 }
131 } while (i < capacity && status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK);
132
133 if (i > 0) {
134 /*
135 * Even if ctf_fs_iterator_next_one() returned something
136 * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we
137 * accumulated message objects in the output
138 * message array, so we need to return
139 * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are
e7401568 140 * transferred to downstream. This other status occurs
4164020e
SM
141 * again the next time muxer_msg_iter_do_next() is
142 * called, possibly without any accumulated
143 * message, in which case we'll return it.
144 */
145 if (status < 0) {
146 /*
147 * Save this error for the next _next call. Assume that
148 * this component always appends error causes when
149 * returning an error status code, which will cause the
150 * current thread error to be non-NULL.
151 */
152 msg_iter_data->next_saved_error = bt_current_thread_take_error();
153 BT_ASSERT(msg_iter_data->next_saved_error);
154 msg_iter_data->next_saved_status = status;
155 }
156
157 *count = i;
158 status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
159 }
d4393e08 160
cbca1c06 161end:
4164020e 162 return status;
ea0b4b9e 163}
bfd20a42 164
a3f0c7db 165bt_message_iterator_class_seek_beginning_method_status
d24d5663 166ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it)
6a9bb5e9 167{
4164020e
SM
168 struct ctf_fs_msg_iter_data *msg_iter_data =
169 (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it);
6a9bb5e9 170
4164020e 171 BT_ASSERT(msg_iter_data);
6a9bb5e9 172
4164020e
SM
173 ctf_msg_iter_reset(msg_iter_data->msg_iter);
174 ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data);
f6e68e70 175
4164020e 176 return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK;
6a9bb5e9
PP
177}
178
d6e69534 179void ctf_fs_iterator_finalize(bt_self_message_iterator *it)
760051fa 180{
4164020e
SM
181 ctf_fs_msg_iter_data_destroy(
182 (struct ctf_fs_msg_iter_data *) bt_self_message_iterator_get_data(it));
760051fa
JG
183}
184
4164020e
SM
185static bt_message_iterator_class_initialize_method_status
186ctf_msg_iter_medium_status_to_msg_iter_initialize_status(enum ctf_msg_iter_medium_status status)
1b7b1ef9 187{
4164020e
SM
188 switch (status) {
189 case CTF_MSG_ITER_MEDIUM_STATUS_EOF:
190 case CTF_MSG_ITER_MEDIUM_STATUS_AGAIN:
191 case CTF_MSG_ITER_MEDIUM_STATUS_ERROR:
192 return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
193 case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR:
194 return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
195 case CTF_MSG_ITER_MEDIUM_STATUS_OK:
196 return BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
197 }
198
199 bt_common_abort();
1b7b1ef9
SM
200}
201
4164020e
SM
202bt_message_iterator_class_initialize_method_status
203ctf_fs_iterator_init(bt_self_message_iterator *self_msg_iter,
204 bt_self_message_iterator_configuration *config,
205 bt_self_component_port_output *self_port)
4c1456f0 206{
4164020e
SM
207 struct ctf_fs_port_data *port_data;
208 struct ctf_fs_msg_iter_data *msg_iter_data = NULL;
209 bt_message_iterator_class_initialize_method_status status;
210 bt_logging_level log_level;
211 enum ctf_msg_iter_medium_status medium_status;
212 bt_self_component *self_comp = bt_self_message_iterator_borrow_component(self_msg_iter);
213
214 port_data = (struct ctf_fs_port_data *) bt_self_component_port_get_data(
215 bt_self_component_port_output_as_self_component_port(self_port));
216 BT_ASSERT(port_data);
217 log_level = port_data->ctf_fs->log_level;
218 msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1);
219 if (!msg_iter_data) {
220 status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
221 goto error;
222 }
223
224 msg_iter_data->log_level = log_level;
225 msg_iter_data->self_comp = self_comp;
226 msg_iter_data->self_msg_iter = self_msg_iter;
227 msg_iter_data->ds_file_group = port_data->ds_file_group;
228
229 medium_status =
230 ctf_fs_ds_group_medops_data_create(msg_iter_data->ds_file_group, self_msg_iter, log_level,
231 &msg_iter_data->msg_iter_medops_data);
232 BT_ASSERT(medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK ||
233 medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR ||
234 medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR);
235 if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
236 BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter, "Failed to create ctf_fs_ds_group_medops");
237 status = ctf_msg_iter_medium_status_to_msg_iter_initialize_status(medium_status);
238 goto error;
239 }
240
241 msg_iter_data->msg_iter = ctf_msg_iter_create(
242 msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc,
243 bt_common_get_page_size(msg_iter_data->log_level) * 8, ctf_fs_ds_group_medops,
244 msg_iter_data->msg_iter_medops_data, msg_iter_data->log_level, self_comp, self_msg_iter);
245 if (!msg_iter_data->msg_iter) {
246 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create a CTF message iterator.");
247 status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
248 goto error;
249 }
250
251 /*
252 * This iterator can seek forward if its stream class has a default
253 * clock class.
254 */
255 if (msg_iter_data->ds_file_group->sc->default_clock_class) {
256 bt_self_message_iterator_configuration_set_can_seek_forward(config, true);
257 }
258
259 bt_self_message_iterator_set_data(self_msg_iter, msg_iter_data);
260 msg_iter_data = NULL;
261
262 status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
263 goto end;
5b29e799 264
4f1f88a6 265error:
4164020e 266 bt_self_message_iterator_set_data(self_msg_iter, NULL);
4f1f88a6 267
760051fa 268end:
4164020e
SM
269 ctf_fs_msg_iter_data_destroy(msg_iter_data);
270 return status;
760051fa
JG
271}
272
4164020e 273static void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
a0cd55ad 274{
4164020e
SM
275 if (!ctf_fs_trace) {
276 return;
277 }
a0cd55ad 278
4164020e
SM
279 if (ctf_fs_trace->ds_file_groups) {
280 g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE);
281 }
a0cd55ad 282
4164020e 283 BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace);
a0cd55ad 284
4164020e
SM
285 if (ctf_fs_trace->path) {
286 g_string_free(ctf_fs_trace->path, TRUE);
287 }
a0cd55ad 288
4164020e
SM
289 if (ctf_fs_trace->metadata) {
290 ctf_fs_metadata_fini(ctf_fs_trace->metadata);
291 g_free(ctf_fs_trace->metadata);
292 }
a0cd55ad 293
4164020e 294 g_free(ctf_fs_trace);
a0cd55ad
SM
295}
296
1a9f7075 297void ctf_fs_destroy(struct ctf_fs_component *ctf_fs)
760051fa 298{
4164020e
SM
299 if (!ctf_fs) {
300 return;
301 }
4f1f88a6 302
4164020e 303 ctf_fs_trace_destroy(ctf_fs->trace);
4f1f88a6 304
4164020e
SM
305 if (ctf_fs->port_data) {
306 g_ptr_array_free(ctf_fs->port_data, TRUE);
307 }
760051fa 308
4164020e 309 g_free(ctf_fs);
1a9f7075
PP
310}
311
4164020e 312static void port_data_destroy(struct ctf_fs_port_data *port_data)
f280892e 313{
4164020e
SM
314 if (!port_data) {
315 return;
316 }
f280892e 317
4164020e 318 g_free(port_data);
f280892e
SM
319}
320
4164020e
SM
321static void port_data_destroy_notifier(void *data)
322{
323 port_data_destroy((struct ctf_fs_port_data *) data);
f280892e
SM
324}
325
4164020e 326static void ctf_fs_trace_destroy_notifier(void *data)
97ade20b 327{
4164020e
SM
328 struct ctf_fs_trace *trace = (struct ctf_fs_trace *) data;
329 ctf_fs_trace_destroy(trace);
97ade20b
JG
330}
331
50b9f4b5 332struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level)
a4792757 333{
4164020e 334 struct ctf_fs_component *ctf_fs;
a4792757 335
4164020e
SM
336 ctf_fs = g_new0(struct ctf_fs_component, 1);
337 if (!ctf_fs) {
338 goto error;
339 }
4f1f88a6 340
4164020e
SM
341 ctf_fs->log_level = log_level;
342 ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy_notifier);
343 if (!ctf_fs->port_data) {
344 goto error;
345 }
4f1f88a6 346
4164020e 347 goto end;
f280892e
SM
348
349error:
4164020e
SM
350 ctf_fs_destroy(ctf_fs);
351 ctf_fs = NULL;
f280892e
SM
352
353end:
4164020e 354 return ctf_fs;
f280892e
SM
355}
356
357void ctf_fs_finalize(bt_self_component_source *component)
358{
4164020e
SM
359 ctf_fs_destroy((struct ctf_fs_component *) bt_self_component_get_data(
360 bt_self_component_source_as_self_component(component)));
5b29e799
JG
361}
362
a38d7650 363gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group)
547eacf1 364{
4164020e
SM
365 GString *name = g_string_new(NULL);
366
367 /*
368 * The unique port name is generated by concatenating unique identifiers
369 * for:
370 *
371 * - the trace
372 * - the stream class
373 * - the stream
374 */
375
376 /* For the trace, use the uuid if present, else the path. */
377 if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) {
378 char uuid_str[BT_UUID_STR_LEN + 1];
379
380 bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str);
381 g_string_assign(name, uuid_str);
382 } else {
383 g_string_assign(name, ds_file_group->ctf_fs_trace->path->str);
384 }
385
386 /*
387 * For the stream class, use the id if present. We can omit this field
388 * otherwise, as there will only be a single stream class.
389 */
390 if (ds_file_group->sc->id != UINT64_C(-1)) {
391 g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id);
392 }
393
394 /* For the stream, use the id if present, else, use the path. */
395 if (ds_file_group->stream_id != UINT64_C(-1)) {
396 g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id);
397 } else {
398 BT_ASSERT(ds_file_group->ds_file_infos->len == 1);
399 struct ctf_fs_ds_file_info *ds_file_info =
400 (struct ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, 0);
401 g_string_append_printf(name, " | %s", ds_file_info->path->str);
402 }
403
404 return g_string_free(name, FALSE);
547eacf1
PP
405}
406
ce11b8c4 407static int create_one_port_for_trace(struct ctf_fs_component *ctf_fs,
4164020e
SM
408 struct ctf_fs_ds_file_group *ds_file_group,
409 bt_self_component_source *self_comp_src)
5b29e799 410{
4164020e
SM
411 int ret = 0;
412 struct ctf_fs_port_data *port_data = NULL;
413 gchar *port_name;
414 bt_logging_level log_level = ctf_fs->log_level;
415 bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src);
416
417 port_name = ctf_fs_make_port_name(ds_file_group);
418 if (!port_name) {
419 goto error;
420 }
421
422 BT_COMP_LOGI("Creating one port named `%s`", port_name);
423
424 /* Create output port for this file */
425 port_data = g_new0(struct ctf_fs_port_data, 1);
426 if (!port_data) {
427 goto error;
428 }
429
430 port_data->ctf_fs = ctf_fs;
431 port_data->ds_file_group = ds_file_group;
432 ret = bt_self_component_source_add_output_port(self_comp_src, port_name, port_data, NULL);
433 if (ret) {
434 goto error;
435 }
436
437 g_ptr_array_add(ctf_fs->port_data, port_data);
438 port_data = NULL;
439 goto end;
4f1f88a6
PP
440
441error:
4164020e 442 ret = -1;
4f1f88a6
PP
443
444end:
4164020e 445 g_free(port_name);
4f1f88a6 446
4164020e
SM
447 port_data_destroy(port_data);
448 return ret;
5b29e799
JG
449}
450
4164020e
SM
451static int create_ports_for_trace(struct ctf_fs_component *ctf_fs,
452 struct ctf_fs_trace *ctf_fs_trace,
453 bt_self_component_source *self_comp_src)
94cf822e 454{
4164020e
SM
455 int ret = 0;
456 size_t i;
457 bt_logging_level log_level = ctf_fs_trace->log_level;
458 bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src);
459
460 /* Create one output port for each stream file group */
461 for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
462 struct ctf_fs_ds_file_group *ds_file_group =
463 (struct ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
464
ce11b8c4 465 ret = create_one_port_for_trace(ctf_fs, ds_file_group, self_comp_src);
4164020e
SM
466 if (ret) {
467 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create output port.");
468 goto end;
469 }
470 }
94cf822e
PP
471
472end:
4164020e 473 return ret;
94cf822e
PP
474}
475
4164020e 476static void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info)
94cf822e 477{
4164020e
SM
478 if (!ds_file_info) {
479 return;
480 }
94cf822e 481
4164020e
SM
482 if (ds_file_info->path) {
483 g_string_free(ds_file_info->path, TRUE);
484 }
94cf822e 485
4164020e 486 g_free(ds_file_info);
94cf822e
PP
487}
488
4164020e 489static struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, int64_t begin_ns)
94cf822e 490{
4164020e 491 struct ctf_fs_ds_file_info *ds_file_info;
94cf822e 492
4164020e
SM
493 ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1);
494 if (!ds_file_info) {
495 goto end;
496 }
94cf822e 497
4164020e
SM
498 ds_file_info->path = g_string_new(path);
499 if (!ds_file_info->path) {
500 ctf_fs_ds_file_info_destroy(ds_file_info);
501 ds_file_info = NULL;
502 goto end;
503 }
94cf822e 504
4164020e 505 ds_file_info->begin_ns = begin_ns;
94cf822e
PP
506
507end:
4164020e 508 return ds_file_info;
94cf822e
PP
509}
510
4164020e 511static void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group)
94cf822e 512{
4164020e
SM
513 if (!ds_file_group) {
514 return;
515 }
94cf822e 516
4164020e
SM
517 if (ds_file_group->ds_file_infos) {
518 g_ptr_array_free(ds_file_group->ds_file_infos, TRUE);
519 }
94cf822e 520
4164020e 521 ctf_fs_ds_index_destroy(ds_file_group->index);
7ed5243a 522
4164020e
SM
523 bt_stream_put_ref(ds_file_group->stream);
524 g_free(ds_file_group);
94cf822e
PP
525}
526
4164020e
SM
527static struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create(struct ctf_fs_trace *ctf_fs_trace,
528 struct ctf_stream_class *sc,
529 uint64_t stream_instance_id,
530 struct ctf_fs_ds_index *index)
94cf822e 531{
4164020e 532 struct ctf_fs_ds_file_group *ds_file_group;
94cf822e 533
4164020e
SM
534 ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1);
535 if (!ds_file_group) {
536 goto error;
537 }
94cf822e 538
4164020e
SM
539 ds_file_group->ds_file_infos =
540 g_ptr_array_new_with_free_func((GDestroyNotify) ctf_fs_ds_file_info_destroy);
541 if (!ds_file_group->ds_file_infos) {
542 goto error;
543 }
94cf822e 544
4164020e 545 ds_file_group->index = index;
7ed5243a 546
4164020e
SM
547 ds_file_group->stream_id = stream_instance_id;
548 BT_ASSERT(sc);
549 ds_file_group->sc = sc;
550 ds_file_group->ctf_fs_trace = ctf_fs_trace;
551 goto end;
94cf822e
PP
552
553error:
4164020e
SM
554 ctf_fs_ds_file_group_destroy(ds_file_group);
555 ctf_fs_ds_index_destroy(index);
556 ds_file_group = NULL;
94cf822e
PP
557
558end:
4164020e 559 return ds_file_group;
94cf822e
PP
560}
561
8bf7105e 562/* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */
4164020e 563static void array_insert(GPtrArray *array, gpointer element, size_t pos)
8bf7105e 564{
4164020e 565 size_t original_array_len = array->len;
8bf7105e 566
4164020e
SM
567 /* Allocate an unused element at the end of the array. */
568 g_ptr_array_add(array, NULL);
8bf7105e 569
4164020e
SM
570 /* If we are not inserting at the end, move the elements by one. */
571 if (pos < original_array_len) {
572 memmove(&(array->pdata[pos + 1]), &(array->pdata[pos]),
573 (original_array_len - pos) * sizeof(gpointer));
574 }
8bf7105e 575
4164020e
SM
576 /* Insert the value. */
577 array->pdata[pos] = element;
8bf7105e
MJ
578}
579
41a65f30
SM
580/*
581 * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right
582 * place to keep it sorted.
583 */
584
4164020e
SM
585static void ds_file_group_insert_ds_file_info_sorted(struct ctf_fs_ds_file_group *ds_file_group,
586 struct ctf_fs_ds_file_info *ds_file_info)
41a65f30 587{
4164020e 588 guint i;
41a65f30 589
4164020e
SM
590 /* Find the spot where to insert this ds_file_info. */
591 for (i = 0; i < ds_file_group->ds_file_infos->len; i++) {
592 struct ctf_fs_ds_file_info *other_ds_file_info =
593 (struct ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, i);
41a65f30 594
4164020e
SM
595 if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) {
596 break;
597 }
598 }
41a65f30 599
4164020e 600 array_insert(ds_file_group->ds_file_infos, ds_file_info, i);
41a65f30
SM
601}
602
4164020e
SM
603static bool ds_index_entries_equal(const struct ctf_fs_ds_index_entry *left,
604 const struct ctf_fs_ds_index_entry *right)
1505f33a 605{
4164020e
SM
606 if (left->packet_size != right->packet_size) {
607 return false;
608 }
1505f33a 609
4164020e
SM
610 if (left->timestamp_begin != right->timestamp_begin) {
611 return false;
612 }
1505f33a 613
4164020e
SM
614 if (left->timestamp_end != right->timestamp_end) {
615 return false;
616 }
1505f33a 617
4164020e
SM
618 if (left->packet_seq_num != right->packet_seq_num) {
619 return false;
620 }
1505f33a 621
4164020e 622 return true;
1505f33a
SM
623}
624
625/*
626 * Insert `entry` into `index`, without duplication.
627 *
628 * The entry is inserted only if there isn't an identical entry already.
629 *
630 * In any case, the ownership of `entry` is transferred to this function. So if
631 * the entry is not inserted, it is freed.
632 */
633
4164020e
SM
634static void ds_index_insert_ds_index_entry_sorted(struct ctf_fs_ds_index *index,
635 struct ctf_fs_ds_index_entry *entry)
7ed5243a 636{
4164020e
SM
637 guint i;
638 struct ctf_fs_ds_index_entry *other_entry = NULL;
639
640 /* Find the spot where to insert this index entry. */
641 for (i = 0; i < index->entries->len; i++) {
642 other_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, i);
643
644 if (entry->timestamp_begin_ns <= other_entry->timestamp_begin_ns) {
645 break;
646 }
647 }
648
649 /*
650 * Insert the entry only if a duplicate doesn't already exist.
651 *
652 * There can be duplicate packets if reading multiple overlapping
653 * snapshots of the same trace. We then want the index to contain
654 * a reference to only one copy of that packet.
655 */
656 if (i == index->entries->len || !ds_index_entries_equal(entry, other_entry)) {
657 array_insert(index->entries, entry, i);
658 } else {
659 g_free(entry);
660 }
ce75de14
SM
661}
662
4164020e 663static void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, struct ctf_fs_ds_index *src)
ce75de14 664{
4164020e 665 guint i;
ce75de14 666
4164020e
SM
667 for (i = 0; i < src->entries->len; i++) {
668 struct ctf_fs_ds_index_entry *entry =
669 (struct ctf_fs_ds_index_entry *) g_ptr_array_index(src->entries, i);
ce75de14 670
4164020e 671 /*
ce75de14 672 * Ownership of the ctf_fs_ds_index_entry is transferred to
1505f33a 673 * ds_index_insert_ds_index_entry_sorted.
ce75de14 674 */
4164020e
SM
675 g_ptr_array_index(src->entries, i) = NULL;
676 ds_index_insert_ds_index_entry_sorted(dest, entry);
677 }
7ed5243a
FD
678}
679
4164020e 680static int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, const char *path)
94cf822e 681{
4164020e
SM
682 int64_t stream_instance_id = -1;
683 int64_t begin_ns = -1;
684 struct ctf_fs_ds_file_group *ds_file_group = NULL;
685 bool add_group = false;
686 int ret;
687 size_t i;
688 struct ctf_fs_ds_file *ds_file = NULL;
689 struct ctf_fs_ds_file_info *ds_file_info = NULL;
690 struct ctf_fs_ds_index *index = NULL;
691 struct ctf_msg_iter *msg_iter = NULL;
692 struct ctf_stream_class *sc = NULL;
693 struct ctf_msg_iter_packet_properties props;
694 bt_logging_level log_level = ctf_fs_trace->log_level;
695 bt_self_component *self_comp = ctf_fs_trace->self_comp;
696 bt_self_component_class *self_comp_class = ctf_fs_trace->self_comp_class;
697
698 /*
699 * Create a temporary ds_file to read some properties about the data
700 * stream file.
701 */
76edbcf1 702 ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, path, log_level);
4164020e
SM
703 if (!ds_file) {
704 goto error;
705 }
706
707 /* Create a temporary iterator to read the ds_file. */
708 msg_iter =
709 ctf_msg_iter_create(ctf_fs_trace->metadata->tc, bt_common_get_page_size(log_level) * 8,
710 ctf_fs_ds_file_medops, ds_file, log_level, self_comp, NULL);
711 if (!msg_iter) {
712 BT_COMP_LOGE_STR("Cannot create a CTF message iterator.");
713 goto error;
714 }
715
716 ctf_msg_iter_set_dry_run(msg_iter, true);
717
718 ret = ctf_msg_iter_get_packet_properties(msg_iter, &props);
719 if (ret) {
720 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
721 self_comp, self_comp_class,
722 "Cannot get stream file's first packet's header and context fields (`%s`).", path);
723 goto error;
724 }
725
726 sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id);
727 BT_ASSERT(sc);
728 stream_instance_id = props.data_stream_id;
729
730 if (props.snapshots.beginning_clock != UINT64_C(-1)) {
731 BT_ASSERT(sc->default_clock_class);
732 ret = bt_util_clock_cycles_to_ns_from_origin(
733 props.snapshots.beginning_clock, sc->default_clock_class->frequency,
734 sc->default_clock_class->offset_seconds, sc->default_clock_class->offset_cycles,
735 &begin_ns);
736 if (ret) {
737 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
738 self_comp, self_comp_class,
739 "Cannot convert clock cycles to nanoseconds from origin (`%s`).", path);
740 goto error;
741 }
742 }
743
744 ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns);
745 if (!ds_file_info) {
746 goto error;
747 }
748
749 index = ctf_fs_ds_file_build_index(ds_file, ds_file_info, msg_iter);
750 if (!index) {
751 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
752 "Failed to index CTF stream file \'%s\'",
753 ds_file->file->path->str);
754 goto error;
755 }
756
757 if (begin_ns == -1) {
758 /*
759 * No beginning timestamp to sort the stream files
760 * within a stream file group, so consider that this
761 * file must be the only one within its group.
762 */
763 stream_instance_id = -1;
764 }
765
766 if (stream_instance_id == -1) {
767 /*
768 * No stream instance ID or no beginning timestamp:
769 * create a unique stream file group for this stream
770 * file because, even if there's a stream instance ID,
771 * there's no timestamp to order the file within its
772 * group.
773 */
774 ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, UINT64_C(-1), index);
775 /* Ownership of index is transferred. */
776 index = NULL;
777
778 if (!ds_file_group) {
779 goto error;
780 }
781
782 ds_file_group_insert_ds_file_info_sorted(ds_file_group, BT_MOVE_REF(ds_file_info));
783
784 add_group = true;
785 goto end;
786 }
787
788 BT_ASSERT(stream_instance_id != -1);
789 BT_ASSERT(begin_ns != -1);
790
791 /* Find an existing stream file group with this ID */
792 for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
793 ds_file_group =
794 (struct ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
795
796 if (ds_file_group->sc == sc && ds_file_group->stream_id == stream_instance_id) {
797 break;
798 }
799
800 ds_file_group = NULL;
801 }
802
803 if (!ds_file_group) {
804 ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, sc, stream_instance_id, index);
805 /* Ownership of index is transferred. */
806 index = NULL;
807 if (!ds_file_group) {
808 goto error;
809 }
810
811 add_group = true;
812 } else {
813 merge_ctf_fs_ds_indexes(ds_file_group->index, index);
814 }
815
816 ds_file_group_insert_ds_file_info_sorted(ds_file_group, BT_MOVE_REF(ds_file_info));
817
818 goto end;
94cf822e
PP
819
820error:
4164020e
SM
821 ctf_fs_ds_file_group_destroy(ds_file_group);
822 ds_file_group = NULL;
823 ret = -1;
94cf822e
PP
824
825end:
4164020e
SM
826 if (add_group && ds_file_group) {
827 g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group);
828 }
547eacf1 829
4164020e
SM
830 ctf_fs_ds_file_destroy(ds_file);
831 ctf_fs_ds_file_info_destroy(ds_file_info);
6de92955 832
4164020e
SM
833 if (msg_iter) {
834 ctf_msg_iter_destroy(msg_iter);
835 }
6de92955 836
4164020e
SM
837 ctf_fs_ds_index_destroy(index);
838 return ret;
94cf822e
PP
839}
840
4164020e 841static int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace)
e7a4393b 842{
4164020e
SM
843 int ret = 0;
844 const char *basename;
845 GError *error = NULL;
846 GDir *dir = NULL;
847 bt_logging_level log_level = ctf_fs_trace->log_level;
848 bt_self_component *self_comp = ctf_fs_trace->self_comp;
849 bt_self_component_class *self_comp_class = ctf_fs_trace->self_comp_class;
850
851 /* Check each file in the path directory, except specific ones */
852 dir = g_dir_open(ctf_fs_trace->path->str, 0, &error);
853 if (!dir) {
854 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
855 self_comp, self_comp_class, "Cannot open directory `%s`: %s (code %d)",
856 ctf_fs_trace->path->str, error->message, error->code);
857 goto error;
858 }
859
860 while ((basename = g_dir_read_name(dir))) {
861 struct ctf_fs_file *file;
862
863 if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) {
864 /* Ignore the metadata stream. */
865 BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`",
866 ctf_fs_trace->path->str, basename);
867 continue;
868 }
869
870 if (basename[0] == '.') {
871 BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`",
872 ctf_fs_trace->path->str, basename);
873 continue;
874 }
875
876 /* Create the file. */
877 file = ctf_fs_file_create(log_level, self_comp);
878 if (!file) {
879 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
880 self_comp, self_comp_class,
881 "Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`",
882 ctf_fs_trace->path->str, basename);
883 goto error;
884 }
885
886 /* Create full path string. */
887 g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s", ctf_fs_trace->path->str,
888 basename);
889 if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
890 BT_COMP_LOGI("Ignoring non-regular file `%s`", file->path->str);
891 ctf_fs_file_destroy(file);
892 file = NULL;
893 continue;
894 }
895
896 ret = ctf_fs_file_open(file, "rb");
897 if (ret) {
898 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
899 self_comp, self_comp_class, "Cannot open stream file `%s`", file->path->str);
900 goto error;
901 }
902
903 if (file->size == 0) {
904 /* Skip empty stream. */
905 BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str);
906 ctf_fs_file_destroy(file);
907 continue;
908 }
909
910 ret = add_ds_file_to_ds_file_group(ctf_fs_trace, file->path->str);
911 if (ret) {
912 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
913 self_comp, self_comp_class, "Cannot add stream file `%s` to stream file group",
914 file->path->str);
915 ctf_fs_file_destroy(file);
916 goto error;
917 }
918
919 ctf_fs_file_destroy(file);
920 }
921
922 goto end;
4f1f88a6 923
e7a4393b 924error:
4164020e 925 ret = -1;
4f1f88a6 926
e7a4393b 927end:
4164020e
SM
928 if (dir) {
929 g_dir_close(dir);
930 dir = NULL;
931 }
4f1f88a6 932
4164020e
SM
933 if (error) {
934 g_error_free(error);
935 }
5b29e799 936
4164020e 937 return ret;
5b29e799
JG
938}
939
4164020e
SM
940static int set_trace_name(bt_trace *trace, const char *name_suffix, bt_logging_level log_level,
941 bt_self_component *self_comp)
862ca4ed 942{
4164020e
SM
943 int ret = 0;
944 const bt_value *val;
945 GString *name;
946
947 name = g_string_new(NULL);
948 if (!name) {
949 BT_COMP_LOGE_STR("Failed to allocate a GString.");
950 ret = -1;
951 goto end;
952 }
953
954 /*
955 * Check if we have a trace environment string value named `hostname`.
956 * If so, use it as the trace name's prefix.
957 */
958 val = bt_trace_borrow_environment_entry_value_by_name_const(trace, "hostname");
959 if (val && bt_value_is_string(val)) {
960 g_string_append(name, bt_value_string_get(val));
961
962 if (name_suffix) {
963 g_string_append_c(name, G_DIR_SEPARATOR);
964 }
965 }
966
967 if (name_suffix) {
968 g_string_append(name, name_suffix);
969 }
970
971 ret = bt_trace_set_name(trace, name->str);
972 if (ret) {
973 goto end;
974 }
975
976 goto end;
862ca4ed
PP
977
978end:
4164020e
SM
979 if (name) {
980 g_string_free(name, TRUE);
981 }
862ca4ed 982
4164020e 983 return ret;
862ca4ed
PP
984}
985
4164020e
SM
986static struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component *self_comp,
987 bt_self_component_class *self_comp_class,
988 const char *path, const char *name,
989 struct ctf_fs_metadata_config *metadata_config,
990 bt_logging_level log_level)
1a9f7075 991{
4164020e
SM
992 struct ctf_fs_trace *ctf_fs_trace;
993 int ret;
994
995 /* Only one of them must be set. */
996 BT_ASSERT(!self_comp != !self_comp_class);
997
998 ctf_fs_trace = g_new0(struct ctf_fs_trace, 1);
999 if (!ctf_fs_trace) {
1000 goto end;
1001 }
1002
1003 ctf_fs_trace->log_level = log_level;
1004 ctf_fs_trace->self_comp = self_comp;
1005 ctf_fs_trace->self_comp_class = self_comp_class;
1006 ctf_fs_trace->path = g_string_new(path);
1007 if (!ctf_fs_trace->path) {
1008 goto error;
1009 }
1010
1011 ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1);
1012 if (!ctf_fs_trace->metadata) {
1013 goto error;
1014 }
1015
1016 ctf_fs_metadata_init(ctf_fs_trace->metadata);
1017 ctf_fs_trace->ds_file_groups =
1018 g_ptr_array_new_with_free_func((GDestroyNotify) ctf_fs_ds_file_group_destroy);
1019 if (!ctf_fs_trace->ds_file_groups) {
1020 goto error;
1021 }
1022
1023 ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace, metadata_config);
1024 if (ret) {
1025 goto error;
1026 }
1027
1028 if (ctf_fs_trace->metadata->trace_class) {
1029 ctf_fs_trace->trace = bt_trace_create(ctf_fs_trace->metadata->trace_class);
1030 if (!ctf_fs_trace->trace) {
1031 goto error;
1032 }
1033 }
1034
1035 if (ctf_fs_trace->trace) {
1036 ret = ctf_trace_class_configure_ir_trace(ctf_fs_trace->metadata->tc, ctf_fs_trace->trace);
1037 if (ret) {
1038 goto error;
1039 }
1040
1041 ret = set_trace_name(ctf_fs_trace->trace, name, log_level, self_comp);
1042 if (ret) {
1043 goto error;
1044 }
1045 }
1046
1047 ret = create_ds_file_groups(ctf_fs_trace);
1048 if (ret) {
1049 goto error;
1050 }
1051
1052 goto end;
1a9f7075
PP
1053
1054error:
4164020e
SM
1055 ctf_fs_trace_destroy(ctf_fs_trace);
1056 ctf_fs_trace = NULL;
44c440bc 1057
1a9f7075 1058end:
4164020e 1059 return ctf_fs_trace;
1a9f7075
PP
1060}
1061
4164020e 1062static int path_is_ctf_trace(const char *path)
1a9f7075 1063{
4164020e
SM
1064 GString *metadata_path = g_string_new(NULL);
1065 int ret = 0;
1a9f7075 1066
4164020e
SM
1067 if (!metadata_path) {
1068 ret = -1;
1069 goto end;
1070 }
1a9f7075 1071
4164020e 1072 g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME);
1a9f7075 1073
4164020e
SM
1074 if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) {
1075 ret = 1;
1076 goto end;
1077 }
1a9f7075
PP
1078
1079end:
4164020e
SM
1080 g_string_free(metadata_path, TRUE);
1081 return ret;
1a9f7075
PP
1082}
1083
a0cd55ad 1084/* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */
f280892e 1085
4164020e
SM
1086static int ctf_fs_component_create_ctf_fs_trace_one_path(struct ctf_fs_component *ctf_fs,
1087 const char *path_param,
1088 const char *trace_name, GPtrArray *traces,
1089 bt_self_component *self_comp,
1090 bt_self_component_class *self_comp_class)
1a9f7075 1091{
4164020e
SM
1092 struct ctf_fs_trace *ctf_fs_trace;
1093 int ret;
1094 GString *norm_path;
1095 bt_logging_level log_level = ctf_fs->log_level;
1096
1097 norm_path = bt_common_normalize_path(path_param, NULL);
1098 if (!norm_path) {
1099 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1100 "Failed to normalize path: `%s`.", path_param);
1101 goto error;
1102 }
1103
1104 ret = path_is_ctf_trace(norm_path->str);
1105 if (ret < 0) {
1106 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1107 "Failed to check if path is a CTF trace: path=%s",
1108 norm_path->str);
1109 goto error;
1110 } else if (ret == 0) {
1111 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
1112 self_comp, self_comp_class,
1113 "Path is not a CTF trace (does not contain a metadata file): `%s`.", norm_path->str);
1114 goto error;
1115 }
1116
1117 // FIXME: Remove or ifdef for __MINGW32__
1118 if (strcmp(norm_path->str, "/") == 0) {
1119 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1120 "Opening a trace in `/` is not supported.");
1121 ret = -1;
1122 goto end;
1123 }
1124
1125 ctf_fs_trace = ctf_fs_trace_create(self_comp, self_comp_class, norm_path->str, trace_name,
1126 &ctf_fs->metadata_config, log_level);
1127 if (!ctf_fs_trace) {
1128 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1129 "Cannot create trace for `%s`.", norm_path->str);
1130 goto error;
1131 }
1132
1133 g_ptr_array_add(traces, ctf_fs_trace);
1134 ctf_fs_trace = NULL;
1135
1136 ret = 0;
1137 goto end;
1a9f7075
PP
1138
1139error:
4164020e 1140 ret = -1;
1a9f7075
PP
1141
1142end:
4164020e
SM
1143 if (norm_path) {
1144 g_string_free(norm_path, TRUE);
1145 }
4bd72b60 1146
4164020e 1147 return ret;
1a9f7075
PP
1148}
1149
41a65f30
SM
1150/*
1151 * Count the number of stream and event classes defined by this trace's metadata.
1152 *
1153 * This is used to determine which metadata is the "latest", out of multiple
1154 * traces sharing the same UUID. It is assumed that amongst all these metadatas,
1155 * a bigger metadata is a superset of a smaller metadata. Therefore, it is
1156 * enough to just count the classes.
1157 */
1158
4164020e 1159static unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace)
41a65f30 1160{
4164020e
SM
1161 unsigned int num = trace->metadata->tc->stream_classes->len;
1162 guint i;
41a65f30 1163
4164020e
SM
1164 for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) {
1165 struct ctf_stream_class *sc =
1166 (struct ctf_stream_class *) trace->metadata->tc->stream_classes->pdata[i];
1167 num += sc->event_classes->len;
1168 }
41a65f30 1169
4164020e 1170 return num;
41a65f30
SM
1171}
1172
1173/*
1174 * Merge the src ds_file_group into dest. This consists of merging their
1175 * ds_file_infos, making sure to keep the result sorted.
1176 */
1177
4164020e
SM
1178static void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest,
1179 struct ctf_fs_ds_file_group *src)
41a65f30 1180{
4164020e 1181 guint i;
41a65f30 1182
4164020e
SM
1183 for (i = 0; i < src->ds_file_infos->len; i++) {
1184 struct ctf_fs_ds_file_info *ds_file_info =
1185 (struct ctf_fs_ds_file_info *) g_ptr_array_index(src->ds_file_infos, i);
41a65f30 1186
4164020e
SM
1187 /* Ownership of the ds_file_info is transferred to dest. */
1188 g_ptr_array_index(src->ds_file_infos, i) = NULL;
41a65f30 1189
4164020e
SM
1190 ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info);
1191 }
41a65f30 1192
4164020e
SM
1193 /* Merge both indexes. */
1194 merge_ctf_fs_ds_indexes(dest->index, src->index);
7ed5243a 1195}
41a65f30
SM
1196/* Merge src_trace's data stream file groups into dest_trace's. */
1197
4164020e
SM
1198static int merge_matching_ctf_fs_ds_file_groups(struct ctf_fs_trace *dest_trace,
1199 struct ctf_fs_trace *src_trace)
41a65f30 1200{
4164020e
SM
1201 GPtrArray *dest = dest_trace->ds_file_groups;
1202 GPtrArray *src = src_trace->ds_file_groups;
1203 guint s_i;
1204 int ret = 0;
1205
1206 /*
1207 * Save the initial length of dest: we only want to check against the
1208 * original elements in the inner loop.
1209 */
1210 const guint dest_len = dest->len;
1211
1212 for (s_i = 0; s_i < src->len; s_i++) {
1213 struct ctf_fs_ds_file_group *src_group =
1214 (struct ctf_fs_ds_file_group *) g_ptr_array_index(src, s_i);
1215 struct ctf_fs_ds_file_group *dest_group = NULL;
1216
1217 /* A stream instance without ID can't match a stream in the other trace. */
1218 if (src_group->stream_id != -1) {
1219 guint d_i;
1220
1221 /* Let's search for a matching ds_file_group in the destination. */
1222 for (d_i = 0; d_i < dest_len; d_i++) {
1223 struct ctf_fs_ds_file_group *candidate_dest =
1224 (struct ctf_fs_ds_file_group *) g_ptr_array_index(dest, d_i);
1225
1226 /* Can't match a stream instance without ID. */
1227 if (candidate_dest->stream_id == -1) {
1228 continue;
1229 }
1230
1231 /*
1232 * If the two groups have the same stream instance id
1233 * and belong to the same stream class (stream instance
1234 * ids are per-stream class), they represent the same
1235 * stream instance.
1236 */
1237 if (candidate_dest->stream_id != src_group->stream_id ||
1238 candidate_dest->sc->id != src_group->sc->id) {
1239 continue;
1240 }
1241
1242 dest_group = candidate_dest;
1243 break;
1244 }
1245 }
1246
1247 /*
1248 * Didn't find a friend in dest to merge our src_group into?
1249 * Create a new empty one. This can happen if a stream was
1250 * active in the source trace chunk but not in the destination
1251 * trace chunk.
1252 */
1253 if (!dest_group) {
1254 struct ctf_stream_class *sc;
1255 struct ctf_fs_ds_index *index;
1256
1257 sc = ctf_trace_class_borrow_stream_class_by_id(dest_trace->metadata->tc,
1258 src_group->sc->id);
1259 BT_ASSERT(sc);
1260
1261 index = ctf_fs_ds_index_create(dest_trace->log_level, dest_trace->self_comp);
1262 if (!index) {
1263 ret = -1;
1264 goto end;
1265 }
1266
1267 dest_group = ctf_fs_ds_file_group_create(dest_trace, sc, src_group->stream_id, index);
1268 /* Ownership of index is transferred. */
1269 index = NULL;
1270 if (!dest_group) {
1271 ret = -1;
1272 goto end;
1273 }
1274
1275 g_ptr_array_add(dest_trace->ds_file_groups, dest_group);
1276 }
1277
1278 BT_ASSERT(dest_group);
1279 merge_ctf_fs_ds_file_groups(dest_group, src_group);
1280 }
54ef52bd
FD
1281
1282end:
4164020e 1283 return ret;
41a65f30
SM
1284}
1285
1286/*
1287 * Collapse the given traces, which must all share the same UUID, in a single
1288 * one.
1289 *
1290 * The trace with the most expansive metadata is chosen and all other traces
1291 * are merged into that one. The array slots of all the traces that get merged
1292 * in the chosen one are set to NULL, so only the slot of the chosen trace
1293 * remains non-NULL.
1294 */
1295
4164020e
SM
1296static int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces,
1297 struct ctf_fs_trace **out_trace)
41a65f30 1298{
4164020e
SM
1299 unsigned int winner_count;
1300 struct ctf_fs_trace *winner;
1301 guint i, winner_i;
1302 int ret = 0;
1303
1304 BT_ASSERT(num_traces >= 2);
1305
1306 winner_count = metadata_count_stream_and_event_classes(traces[0]);
1307 winner = traces[0];
1308 winner_i = 0;
1309
1310 /* Find the trace with the largest metadata. */
1311 for (i = 1; i < num_traces; i++) {
1312 struct ctf_fs_trace *candidate;
1313 unsigned int candidate_count;
1314
1315 candidate = traces[i];
1316
1317 /* A bit of sanity check. */
1318 BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0);
1319
1320 candidate_count = metadata_count_stream_and_event_classes(candidate);
1321
1322 if (candidate_count > winner_count) {
1323 winner_count = candidate_count;
1324 winner = candidate;
1325 winner_i = i;
1326 }
1327 }
1328
1329 /* Merge all the other traces in the winning trace. */
1330 for (i = 0; i < num_traces; i++) {
1331 struct ctf_fs_trace *trace = traces[i];
1332
1333 /* Don't merge the winner into itself. */
1334 if (trace == winner) {
1335 continue;
1336 }
1337
1338 /* Merge trace's data stream file groups into winner's. */
1339 ret = merge_matching_ctf_fs_ds_file_groups(winner, trace);
1340 if (ret) {
1341 goto end;
1342 }
1343 }
1344
1345 /*
1346 * Move the winner out of the array, into `*out_trace`.
1347 */
1348 *out_trace = winner;
1349 traces[winner_i] = NULL;
54ef52bd
FD
1350
1351end:
4164020e 1352 return ret;
41a65f30
SM
1353}
1354
4164020e
SM
1355enum target_event
1356{
1357 FIRST_EVENT,
1358 LAST_EVENT,
1719bf64
FD
1359};
1360
4164020e
SM
1361static int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace,
1362 struct ctf_clock_class *default_cc,
1363 struct ctf_fs_ds_index_entry *index_entry,
1364 enum target_event target_event, uint64_t *cs,
1365 int64_t *ts_ns)
1719bf64 1366{
4164020e
SM
1367 enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK;
1368 struct ctf_fs_ds_file *ds_file = NULL;
1369 struct ctf_msg_iter *msg_iter = NULL;
1370 bt_logging_level log_level = ctf_fs_trace->log_level;
1371 bt_self_component *self_comp = ctf_fs_trace->self_comp;
1372 int ret = 0;
1373
1374 BT_ASSERT(ctf_fs_trace);
1375 BT_ASSERT(index_entry);
1376 BT_ASSERT(index_entry->path);
1377
76edbcf1 1378 ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, index_entry->path, log_level);
4164020e
SM
1379 if (!ds_file) {
1380 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to create a ctf_fs_ds_file");
1381 ret = -1;
1382 goto end;
1383 }
1384
1385 BT_ASSERT(ctf_fs_trace->metadata);
1386 BT_ASSERT(ctf_fs_trace->metadata->tc);
1387
1388 msg_iter =
1389 ctf_msg_iter_create(ctf_fs_trace->metadata->tc, bt_common_get_page_size(log_level) * 8,
1390 ctf_fs_ds_file_medops, ds_file, log_level, self_comp, NULL);
1391 if (!msg_iter) {
1392 /* ctf_msg_iter_create() logs errors. */
1393 ret = -1;
1394 goto end;
1395 }
1396
1397 /*
1398 * Turn on dry run mode to prevent the creation and usage of Babeltrace
1399 * library objects (bt_field, bt_message_*, etc.).
1400 */
1401 ctf_msg_iter_set_dry_run(msg_iter, true);
1402
1403 /* Seek to the beginning of the target packet. */
1404 iter_status = ctf_msg_iter_seek(msg_iter, index_entry->offset);
1405 if (iter_status) {
1406 /* ctf_msg_iter_seek() logs errors. */
1407 ret = -1;
1408 goto end;
1409 }
1410
1411 switch (target_event) {
1412 case FIRST_EVENT:
1413 /*
1414 * Start to decode the packet until we reach the end of
1415 * the first event. To extract the first event's clock
1416 * snapshot.
1417 */
1418 iter_status = ctf_msg_iter_curr_packet_first_event_clock_snapshot(msg_iter, cs);
1419 break;
1420 case LAST_EVENT:
1421 /* Decode the packet to extract the last event's clock snapshot. */
1422 iter_status = ctf_msg_iter_curr_packet_last_event_clock_snapshot(msg_iter, cs);
1423 break;
1424 default:
1425 bt_common_abort();
1426 }
1427 if (iter_status) {
1428 ret = -1;
1429 goto end;
1430 }
1431
1432 /* Convert clock snapshot to timestamp. */
1433 ret = bt_util_clock_cycles_to_ns_from_origin(
1434 *cs, default_cc->frequency, default_cc->offset_seconds, default_cc->offset_cycles, ts_ns);
1435 if (ret) {
1436 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to convert clock snapshot to timestamp");
1437 goto end;
1438 }
1719bf64
FD
1439
1440end:
4164020e
SM
1441 if (ds_file) {
1442 ctf_fs_ds_file_destroy(ds_file);
1443 }
1444 if (msg_iter) {
1445 ctf_msg_iter_destroy(msg_iter);
1446 }
1447
1448 return ret;
1719bf64
FD
1449}
1450
4164020e
SM
1451static int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace,
1452 struct ctf_clock_class *default_cc,
1453 struct ctf_fs_ds_index_entry *index_entry,
1454 uint64_t *cs, int64_t *ts_ns)
c43092a5 1455{
4164020e
SM
1456 return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, FIRST_EVENT, cs,
1457 ts_ns);
c43092a5
FD
1458}
1459
4164020e
SM
1460static int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace,
1461 struct ctf_clock_class *default_cc,
1462 struct ctf_fs_ds_index_entry *index_entry,
1463 uint64_t *cs, int64_t *ts_ns)
1719bf64 1464{
4164020e
SM
1465 return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc, index_entry, LAST_EVENT, cs,
1466 ts_ns);
1719bf64
FD
1467}
1468
1469/*
1470 * Fix up packet index entries for lttng's "event-after-packet" bug.
1471 * Some buggy lttng tracer versions may emit events with a timestamp that is
1472 * larger (after) than the timestamp_end of the their packets.
1473 *
1474 * To fix up this erroneous data we do the following:
1475 * 1. If it's not the stream file's last packet: set the packet index entry's
1476 * end time to the next packet's beginning time.
1477 * 2. If it's the stream file's last packet, set the packet index entry's end
1478 * time to the packet's last event's time, if any, or to the packet's
1479 * beginning time otherwise.
1480 *
1481 * Known buggy tracer versions:
1482 * - before lttng-ust 2.11.0
1483 * - before lttng-module 2.11.0
1484 * - before lttng-module 2.10.10
1485 * - before lttng-module 2.9.13
1486 */
4164020e 1487static int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace)
1719bf64 1488{
4164020e
SM
1489 int ret = 0;
1490 guint ds_file_group_i;
1491 GPtrArray *ds_file_groups = trace->ds_file_groups;
1492 bt_logging_level log_level = trace->log_level;
1493
1494 for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; ds_file_group_i++) {
1495 guint entry_i;
1496 struct ctf_clock_class *default_cc;
1497 struct ctf_fs_ds_index_entry *last_entry;
1498 struct ctf_fs_ds_index *index;
1499
1500 struct ctf_fs_ds_file_group *ds_file_group =
1501 (struct ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_i);
1502
1503 BT_ASSERT(ds_file_group);
1504 index = ds_file_group->index;
1505
1506 BT_ASSERT(index);
1507 BT_ASSERT(index->entries);
1508 BT_ASSERT(index->entries->len > 0);
1509
1510 /*
1511 * Iterate over all entries but the last one. The last one is
1512 * fixed differently after.
1513 */
1514 for (entry_i = 0; entry_i < index->entries->len - 1; entry_i++) {
1515 struct ctf_fs_ds_index_entry *curr_entry, *next_entry;
1516
1517 curr_entry = (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i);
1518 next_entry = (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i + 1);
1519
1520 /*
1521 * 1. Set the current index entry `end` timestamp to
1522 * the next index entry `begin` timestamp.
1523 */
1524 curr_entry->timestamp_end = next_entry->timestamp_begin;
1525 curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns;
1526 }
1527
1528 /*
1529 * 2. Fix the last entry by decoding the last event of the last
1530 * packet.
1531 */
1532 last_entry =
1533 (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, index->entries->len - 1);
1534 BT_ASSERT(last_entry);
1535
1536 BT_ASSERT(ds_file_group->sc->default_clock_class);
1537 default_cc = ds_file_group->sc->default_clock_class;
1538
1539 /*
1540 * Decode packet to read the timestamp of the last event of the
1541 * entry.
1542 */
1543 ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry,
1544 &last_entry->timestamp_end,
1545 &last_entry->timestamp_end_ns);
1546 if (ret) {
1547 BT_COMP_LOGE_APPEND_CAUSE(
1548 trace->self_comp,
1549 "Failed to decode stream's last packet to get its last event's clock snapshot.");
1550 goto end;
1551 }
1552 }
1719bf64
FD
1553
1554end:
4164020e 1555 return ret;
1719bf64
FD
1556}
1557
c43092a5
FD
1558/*
1559 * Fix up packet index entries for barectf's "event-before-packet" bug.
1560 * Some buggy barectf tracer versions may emit events with a timestamp that is
1561 * less than the timestamp_begin of the their packets.
1562 *
1563 * To fix up this erroneous data we do the following:
1564 * 1. Starting at the second index entry, set the timestamp_begin of the
1565 * current entry to the timestamp of the first event of the packet.
1566 * 2. Set the previous entry's timestamp_end to the timestamp_begin of the
1567 * current packet.
1568 *
1569 * Known buggy tracer versions:
1570 * - before barectf 2.3.1
1571 */
4164020e 1572static int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace)
c43092a5 1573{
4164020e
SM
1574 int ret = 0;
1575 guint ds_file_group_i;
1576 GPtrArray *ds_file_groups = trace->ds_file_groups;
1577 bt_logging_level log_level = trace->log_level;
1578
1579 for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len; ds_file_group_i++) {
1580 guint entry_i;
1581 struct ctf_clock_class *default_cc;
1582 ctf_fs_ds_file_group *ds_file_group =
1583 (ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_i);
1584
1585 struct ctf_fs_ds_index *index = ds_file_group->index;
1586
1587 BT_ASSERT(index);
1588 BT_ASSERT(index->entries);
1589 BT_ASSERT(index->entries->len > 0);
1590
1591 BT_ASSERT(ds_file_group->sc->default_clock_class);
1592 default_cc = ds_file_group->sc->default_clock_class;
1593
1594 /*
1595 * 1. Iterate over the index, starting from the second entry
1596 * (index = 1).
1597 */
1598 for (entry_i = 1; entry_i < index->entries->len; entry_i++) {
1599 ctf_fs_ds_index_entry *prev_entry =
1600 (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i - 1);
1601 ctf_fs_ds_index_entry *curr_entry =
1602 (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_i);
1603 /*
1604 * 2. Set the current entry `begin` timestamp to the
1605 * timestamp of the first event of the current packet.
1606 */
1607 ret = decode_packet_first_event_timestamp(trace, default_cc, curr_entry,
1608 &curr_entry->timestamp_begin,
1609 &curr_entry->timestamp_begin_ns);
1610 if (ret) {
1611 BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp,
1612 "Failed to decode first event's clock snapshot");
1613 goto end;
1614 }
1615
1616 /*
1617 * 3. Set the previous entry `end` timestamp to the
1618 * timestamp of the first event of the current packet.
1619 */
1620 prev_entry->timestamp_end = curr_entry->timestamp_begin;
1621 prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns;
1622 }
1623 }
c43092a5 1624end:
4164020e 1625 return ret;
c43092a5
FD
1626}
1627
aada78b5
FD
1628/*
1629 * When using the lttng-crash feature it's likely that the last packets of each
1630 * stream have their timestamp_end set to zero. This is caused by the fact that
1631 * the tracer crashed and was not able to properly close the packets.
1632 *
1633 * To fix up this erroneous data we do the following:
1634 * For each index entry, if the entry's timestamp_end is 0 and the
1635 * timestamp_begin is not 0:
1636 * - If it's the stream file's last packet: set the packet index entry's end
1637 * time to the packet's last event's time, if any, or to the packet's
1638 * beginning time otherwise.
1639 * - If it's not the stream file's last packet: set the packet index
1640 * entry's end time to the next packet's beginning time.
1641 *
1642 * Affected versions:
1643 * - All current and future lttng-ust and lttng-modules versions.
1644 */
4164020e 1645static int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace)
aada78b5 1646{
4164020e
SM
1647 int ret = 0;
1648 guint ds_file_group_idx;
1649 GPtrArray *ds_file_groups = trace->ds_file_groups;
1650 bt_logging_level log_level = trace->log_level;
1651
1652 for (ds_file_group_idx = 0; ds_file_group_idx < ds_file_groups->len; ds_file_group_idx++) {
1653 guint entry_idx;
1654 struct ctf_clock_class *default_cc;
1655 struct ctf_fs_ds_index *index;
1656
1657 ctf_fs_ds_file_group *ds_file_group =
1658 (ctf_fs_ds_file_group *) g_ptr_array_index(ds_file_groups, ds_file_group_idx);
1659
1660 BT_ASSERT(ds_file_group);
1661 index = ds_file_group->index;
1662
1663 BT_ASSERT(ds_file_group->sc->default_clock_class);
1664 default_cc = ds_file_group->sc->default_clock_class;
1665
1666 BT_ASSERT(index);
1667 BT_ASSERT(index->entries);
1668 BT_ASSERT(index->entries->len > 0);
1669
1670 ctf_fs_ds_index_entry *last_entry =
1671 (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, index->entries->len - 1);
1672 BT_ASSERT(last_entry);
1673
1674 /* 1. Fix the last entry first. */
1675 if (last_entry->timestamp_end == 0 && last_entry->timestamp_begin != 0) {
1676 /*
1677 * Decode packet to read the timestamp of the
1678 * last event of the stream file.
1679 */
1680 ret = decode_packet_last_event_timestamp(trace, default_cc, last_entry,
1681 &last_entry->timestamp_end,
1682 &last_entry->timestamp_end_ns);
1683 if (ret) {
1684 BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp,
1685 "Failed to decode last event's clock snapshot");
1686 goto end;
1687 }
1688 }
1689
1690 /* Iterate over all entries but the last one. */
1691 for (entry_idx = 0; entry_idx < index->entries->len - 1; entry_idx++) {
1692 ctf_fs_ds_index_entry *curr_entry =
1693 (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_idx);
1694 ctf_fs_ds_index_entry *next_entry =
1695 (ctf_fs_ds_index_entry *) g_ptr_array_index(index->entries, entry_idx + 1);
1696
1697 if (curr_entry->timestamp_end == 0 && curr_entry->timestamp_begin != 0) {
1698 /*
1699 * 2. Set the current index entry `end` timestamp to
1700 * the next index entry `begin` timestamp.
1701 */
1702 curr_entry->timestamp_end = next_entry->timestamp_begin;
1703 curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns;
1704 }
1705 }
1706 }
aada78b5
FD
1707
1708end:
4164020e 1709 return ret;
aada78b5
FD
1710}
1711
626cc488
FD
1712/*
1713 * Extract the tracer information necessary to compare versions.
1714 * Returns 0 on success, and -1 if the extraction is not successful because the
1715 * necessary fields are absents in the trace metadata.
1716 */
4164020e 1717static int extract_tracer_info(struct ctf_fs_trace *trace, struct tracer_info *current_tracer_info)
626cc488 1718{
4164020e
SM
1719 int ret = 0;
1720 struct ctf_trace_class_env_entry *entry;
1721
1722 /* Clear the current_tracer_info struct */
1723 memset(current_tracer_info, 0, sizeof(*current_tracer_info));
1724
1725 /*
1726 * To compare 2 tracer versions, at least the tracer name and it's
1727 * major version are needed. If one of these is missing, consider it an
1728 * extraction failure.
1729 */
1730 entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_name");
1731 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) {
1732 goto missing_bare_minimum;
1733 }
1734
1735 /* Set tracer name. */
1736 current_tracer_info->name = entry->value.str->str;
1737
1738 entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_major");
1739 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) {
1740 goto missing_bare_minimum;
1741 }
1742
1743 /* Set major version number. */
1744 current_tracer_info->major = entry->value.i;
1745
1746 entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_minor");
1747 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) {
1748 goto end;
1749 }
1750
1751 /* Set minor version number. */
1752 current_tracer_info->minor = entry->value.i;
1753
1754 entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patch");
1755 if (!entry) {
1756 /*
1757 * If `tracer_patch` doesn't exist `tracer_patchlevel` might.
1758 * For example, `lttng-modules` uses entry name
1759 * `tracer_patchlevel`.
1760 */
1761 entry = ctf_trace_class_borrow_env_entry_by_name(trace->metadata->tc, "tracer_patchlevel");
1762 }
1763
1764 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) {
1765 goto end;
1766 }
1767
1768 /* Set patch version number. */
1769 current_tracer_info->patch = entry->value.i;
1770
1771 goto end;
626cc488
FD
1772
1773missing_bare_minimum:
4164020e 1774 ret = -1;
626cc488 1775end:
4164020e 1776 return ret;
626cc488
FD
1777}
1778
4164020e 1779static bool is_tracer_affected_by_lttng_event_after_packet_bug(struct tracer_info *curr_tracer_info)
1719bf64 1780{
4164020e
SM
1781 bool is_affected = false;
1782
1783 if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) {
1784 if (curr_tracer_info->major < 2) {
1785 is_affected = true;
1786 } else if (curr_tracer_info->major == 2) {
1787 /* fixed in lttng-ust 2.11.0 */
1788 if (curr_tracer_info->minor < 11) {
1789 is_affected = true;
1790 }
1791 }
1792 } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) {
1793 if (curr_tracer_info->major < 2) {
1794 is_affected = true;
1795 } else if (curr_tracer_info->major == 2) {
1796 /* fixed in lttng-modules 2.11.0 */
1797 if (curr_tracer_info->minor == 10) {
1798 /* fixed in lttng-modules 2.10.10 */
1799 if (curr_tracer_info->patch < 10) {
1800 is_affected = true;
1801 }
1802 } else if (curr_tracer_info->minor == 9) {
1803 /* fixed in lttng-modules 2.9.13 */
1804 if (curr_tracer_info->patch < 13) {
1805 is_affected = true;
1806 }
1807 } else if (curr_tracer_info->minor < 9) {
1808 is_affected = true;
1809 }
1810 }
1811 }
1812
1813 return is_affected;
1719bf64
FD
1814}
1815
4164020e
SM
1816static bool
1817is_tracer_affected_by_barectf_event_before_packet_bug(struct tracer_info *curr_tracer_info)
c43092a5 1818{
4164020e
SM
1819 bool is_affected = false;
1820
1821 if (strcmp(curr_tracer_info->name, "barectf") == 0) {
1822 if (curr_tracer_info->major < 2) {
1823 is_affected = true;
1824 } else if (curr_tracer_info->major == 2) {
1825 if (curr_tracer_info->minor < 3) {
1826 is_affected = true;
1827 } else if (curr_tracer_info->minor == 3) {
1828 /* fixed in barectf 2.3.1 */
1829 if (curr_tracer_info->patch < 1) {
1830 is_affected = true;
1831 }
1832 }
1833 }
1834 }
1835
1836 return is_affected;
c43092a5
FD
1837}
1838
4164020e 1839static bool is_tracer_affected_by_lttng_crash_quirk(struct tracer_info *curr_tracer_info)
aada78b5 1840{
4164020e 1841 bool is_affected = false;
aada78b5 1842
4164020e
SM
1843 /* All LTTng tracer may be affected by this lttng crash quirk. */
1844 if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) {
1845 is_affected = true;
1846 } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) {
1847 is_affected = true;
1848 }
aada78b5 1849
4164020e 1850 return is_affected;
aada78b5
FD
1851}
1852
1719bf64
FD
1853/*
1854 * Looks for trace produced by known buggy tracers and fix up the index
1855 * produced earlier.
1856 */
4164020e
SM
1857static int fix_packet_index_tracer_bugs(struct ctf_fs_component *ctf_fs,
1858 bt_self_component *self_comp,
1859 bt_self_component_class *self_comp_class)
1719bf64 1860{
4164020e
SM
1861 int ret = 0;
1862 struct tracer_info current_tracer_info;
1863 bt_logging_level log_level = ctf_fs->log_level;
1864
1865 ret = extract_tracer_info(ctf_fs->trace, &current_tracer_info);
1866 if (ret) {
1867 /*
1868 * A trace may not have all the necessary environment
1869 * entries to do the tracer version comparison.
1870 * At least, the tracer name and major version number
1871 * are needed. Failing to extract these entries is not
1872 * an error.
1873 */
1874 ret = 0;
1875 BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
1876 goto end;
1877 ;
1878 }
1879
1880 /* Check if the trace may be affected by old tracer bugs. */
1881 if (is_tracer_affected_by_lttng_event_after_packet_bug(&current_tracer_info)) {
1882 BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
1883 ret = fix_index_lttng_event_after_packet_bug(ctf_fs->trace);
1884 if (ret) {
1885 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1886 "Failed to fix LTTng event-after-packet bug.");
1887 goto end;
1888 }
1889 ctf_fs->trace->metadata->tc->quirks.lttng_event_after_packet = true;
1890 }
1891
1892 if (is_tracer_affected_by_barectf_event_before_packet_bug(&current_tracer_info)) {
1893 BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
1894 ret = fix_index_barectf_event_before_packet_bug(ctf_fs->trace);
1895 if (ret) {
1896 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
1897 self_comp, self_comp_class, "Failed to fix barectf event-before-packet bug.");
1898 goto end;
1899 }
1900 ctf_fs->trace->metadata->tc->quirks.barectf_event_before_packet = true;
1901 }
1902
1903 if (is_tracer_affected_by_lttng_crash_quirk(&current_tracer_info)) {
1904 ret = fix_index_lttng_crash_quirk(ctf_fs->trace);
1905 if (ret) {
1906 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1907 "Failed to fix lttng-crash timestamp quirks.");
1908 goto end;
1909 }
1910 ctf_fs->trace->metadata->tc->quirks.lttng_crash = true;
1911 }
a0cd55ad 1912
1719bf64 1913end:
4164020e 1914 return ret;
1719bf64
FD
1915}
1916
4164020e 1917static gint compare_ds_file_groups_by_first_path(gconstpointer a, gconstpointer b)
e9b3611f 1918{
4164020e
SM
1919 ctf_fs_ds_file_group * const *ds_file_group_a = (ctf_fs_ds_file_group **) a;
1920 ctf_fs_ds_file_group * const *ds_file_group_b = (ctf_fs_ds_file_group **) b;
e9b3611f 1921
4164020e
SM
1922 BT_ASSERT((*ds_file_group_a)->ds_file_infos->len > 0);
1923 BT_ASSERT((*ds_file_group_b)->ds_file_infos->len > 0);
087cd0f5 1924
4164020e
SM
1925 const ctf_fs_ds_file_info *first_ds_file_info_a =
1926 (const ctf_fs_ds_file_info *) (*ds_file_group_a)->ds_file_infos->pdata[0];
1927 const ctf_fs_ds_file_info *first_ds_file_info_b =
1928 (const ctf_fs_ds_file_info *) (*ds_file_group_b)->ds_file_infos->pdata[0];
087cd0f5 1929
4164020e 1930 return strcmp(first_ds_file_info_a->path->str, first_ds_file_info_b->path->str);
e9b3611f
PP
1931}
1932
4164020e 1933static gint compare_strings(gconstpointer p_a, gconstpointer p_b)
7b69723d 1934{
4164020e
SM
1935 const char *a = *((const char **) p_a);
1936 const char *b = *((const char **) p_b);
7b69723d 1937
4164020e 1938 return strcmp(a, b);
7b69723d
SM
1939}
1940
4164020e
SM
1941int ctf_fs_component_create_ctf_fs_trace(struct ctf_fs_component *ctf_fs,
1942 const bt_value *paths_value,
1943 const bt_value *trace_name_value,
1944 bt_self_component *self_comp,
1945 bt_self_component_class *self_comp_class)
f280892e 1946{
4164020e
SM
1947 int ret = 0;
1948 uint64_t i;
1949 bt_logging_level log_level = ctf_fs->log_level;
1950 GPtrArray *paths = NULL;
1951 GPtrArray *traces;
1952 const char *trace_name;
1953
1954 BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY);
1955 BT_ASSERT(!bt_value_array_is_empty(paths_value));
1956
1957 traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier);
1958 if (!traces) {
1959 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1960 "Failed to allocate a GPtrArray.");
1961 goto error;
1962 }
1963
1964 paths = g_ptr_array_new_with_free_func(g_free);
1965 if (!paths) {
1966 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1967 "Failed to allocate a GPtrArray.");
1968 goto error;
1969 }
1970
1971 trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL;
1972
1973 /*
1974 * Create a sorted array of the paths, to make the execution of this
1975 * component deterministic.
1976 */
1977 for (i = 0; i < bt_value_array_get_length(paths_value); i++) {
1978 const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i);
1979 const char *input = bt_value_string_get(path_value);
1980 gchar *input_copy;
1981
1982 input_copy = g_strdup(input);
1983 if (!input_copy) {
1984 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1985 "Failed to copy a string.");
1986 goto error;
1987 }
1988
1989 g_ptr_array_add(paths, input_copy);
1990 }
1991
1992 g_ptr_array_sort(paths, compare_strings);
1993
1994 /* Create a separate ctf_fs_trace object for each path. */
1995 for (i = 0; i < paths->len; i++) {
1996 const char *path = (const char *) g_ptr_array_index(paths, i);
1997
1998 ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs, path, trace_name, traces,
1999 self_comp, self_comp_class);
2000 if (ret) {
2001 goto end;
2002 }
2003 }
2004
2005 if (traces->len > 1) {
2006 struct ctf_fs_trace *first_trace = (struct ctf_fs_trace *) traces->pdata[0];
2007 const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid;
2008 struct ctf_fs_trace *trace;
2009
2010 /*
2011 * We have more than one trace, they must all share the same
2012 * UUID, verify that.
2013 */
2014 for (i = 0; i < traces->len; i++) {
2015 struct ctf_fs_trace *this_trace = (struct ctf_fs_trace *) traces->pdata[i];
2016 const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid;
2017
2018 if (!this_trace->metadata->tc->is_uuid_set) {
2019 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
2020 self_comp, self_comp_class,
2021 "Multiple traces given, but a trace does not have a UUID: path=%s",
2022 this_trace->path->str);
2023 goto error;
2024 }
2025
2026 if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) {
2027 char first_trace_uuid_str[BT_UUID_STR_LEN + 1];
2028 char this_trace_uuid_str[BT_UUID_STR_LEN + 1];
2029
2030 bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str);
2031 bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str);
2032
2033 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
2034 self_comp, self_comp_class,
2035 "Multiple traces given, but UUIDs don't match: "
2036 "first-trace-uuid=%s, first-trace-path=%s, "
2037 "trace-uuid=%s, trace-path=%s",
2038 first_trace_uuid_str, first_trace->path->str, this_trace_uuid_str,
2039 this_trace->path->str);
2040 goto error;
2041 }
2042 }
2043
2044 ret = merge_ctf_fs_traces((struct ctf_fs_trace **) traces->pdata, traces->len, &trace);
2045 if (ret) {
2046 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2047 "Failed to merge traces with the same UUID.");
2048 goto error;
2049 }
2050
2051 ctf_fs->trace = trace;
2052 } else {
2053 /* Just one trace, it may or may not have a UUID, both are fine. */
2054 ctf_fs->trace = (ctf_fs_trace *) traces->pdata[0];
2055 traces->pdata[0] = NULL;
2056 }
2057
2058 ret = fix_packet_index_tracer_bugs(ctf_fs, self_comp, self_comp_class);
2059 if (ret) {
2060 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2061 "Failed to fix packet index tracer bugs.");
2062 }
2063
2064 /*
2065 * Sort data stream file groups by first data stream file info
2066 * path to get a deterministic order. This order influences the
2067 * order of the output ports. It also influences the order of
2068 * the automatic stream IDs if the trace's packet headers do not
2069 * contain a `stream_instance_id` field, in which case the data
2070 * stream file to stream ID association is always the same,
2071 * whatever the build and the system.
2072 *
2073 * Having a deterministic order here can help debugging and
2074 * testing.
2075 */
2076 g_ptr_array_sort(ctf_fs->trace->ds_file_groups, compare_ds_file_groups_by_first_path);
2077 goto end;
a0cd55ad 2078error:
4164020e 2079 ret = -1;
a0cd55ad 2080
f280892e 2081end:
4164020e
SM
2082 if (traces) {
2083 g_ptr_array_free(traces, TRUE);
2084 }
7b69723d 2085
4164020e
SM
2086 if (paths) {
2087 g_ptr_array_free(paths, TRUE);
2088 }
7b69723d 2089
4164020e 2090 return ret;
f280892e
SM
2091}
2092
4164020e 2093static GString *get_stream_instance_unique_name(struct ctf_fs_ds_file_group *ds_file_group)
a38d7650 2094{
4164020e
SM
2095 GString *name;
2096 struct ctf_fs_ds_file_info *ds_file_info;
2097
2098 name = g_string_new(NULL);
2099 if (!name) {
2100 goto end;
2101 }
2102
2103 /*
2104 * If there's more than one stream file in the stream file
2105 * group, the first (earliest) stream file's path is used as
2106 * the stream's unique name.
2107 */
2108 BT_ASSERT(ds_file_group->ds_file_infos->len > 0);
2109 ds_file_info = (ctf_fs_ds_file_info *) g_ptr_array_index(ds_file_group->ds_file_infos, 0);
2110 g_string_assign(name, ds_file_info->path->str);
a38d7650
SM
2111
2112end:
4164020e 2113 return name;
a38d7650
SM
2114}
2115
f280892e
SM
2116/* Create the IR stream objects for ctf_fs_trace. */
2117
4164020e 2118static int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace)
f280892e 2119{
4164020e
SM
2120 int ret;
2121 GString *name = NULL;
2122 guint i;
2123 bt_logging_level log_level = ctf_fs_trace->log_level;
2124 bt_self_component *self_comp = ctf_fs_trace->self_comp;
2125
2126 for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
2127 ctf_fs_ds_file_group *ds_file_group =
2128 (ctf_fs_ds_file_group *) g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
2129 name = get_stream_instance_unique_name(ds_file_group);
2130
2131 if (!name) {
2132 goto error;
2133 }
2134
2135 if (ds_file_group->sc->ir_sc) {
2136 BT_ASSERT(ctf_fs_trace->trace);
2137
2138 if (ds_file_group->stream_id == UINT64_C(-1)) {
2139 /* No stream ID: use 0 */
2140 ds_file_group->stream = bt_stream_create_with_id(
2141 ds_file_group->sc->ir_sc, ctf_fs_trace->trace, ctf_fs_trace->next_stream_id);
2142 ctf_fs_trace->next_stream_id++;
2143 } else {
2144 /* Specific stream ID */
2145 ds_file_group->stream =
2146 bt_stream_create_with_id(ds_file_group->sc->ir_sc, ctf_fs_trace->trace,
2147 (uint64_t) ds_file_group->stream_id);
2148 }
2149 } else {
2150 ds_file_group->stream = NULL;
2151 }
2152
2153 if (!ds_file_group->stream) {
2154 BT_COMP_LOGE_APPEND_CAUSE(self_comp,
2155 "Cannot create stream for DS file group: "
2156 "addr=%p, stream-name=\"%s\"",
2157 ds_file_group, name->str);
2158 goto error;
2159 }
2160
2161 ret = bt_stream_set_name(ds_file_group->stream, name->str);
2162 if (ret) {
2163 BT_COMP_LOGE_APPEND_CAUSE(self_comp,
2164 "Cannot set stream's name: "
2165 "addr=%p, stream-name=\"%s\"",
2166 ds_file_group->stream, name->str);
2167 goto error;
2168 }
2169
2170 g_string_free(name, TRUE);
2171 name = NULL;
2172 }
2173
2174 ret = 0;
2175 goto end;
f280892e
SM
2176
2177error:
4164020e 2178 ret = -1;
f280892e
SM
2179
2180end:
2181
4164020e
SM
2182 if (name) {
2183 g_string_free(name, TRUE);
2184 }
2185 return ret;
f280892e
SM
2186}
2187
88730e42
SM
2188static const bt_param_validation_value_descr inputs_elem_descr =
2189 bt_param_validation_value_descr::makeString();
087cd0f5
SM
2190
2191static bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = {
88730e42
SM
2192 {"inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY,
2193 bt_param_validation_value_descr::makeArray(1, BT_PARAM_VALIDATION_INFINITE,
2194 inputs_elem_descr)},
2195 {"trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL,
2196 bt_param_validation_value_descr::makeString()},
2197 {"clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL,
2198 bt_param_validation_value_descr::makeSignedInteger()},
2199 {"clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL,
2200 bt_param_validation_value_descr::makeSignedInteger()},
2201 {"force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL,
2202 bt_param_validation_value_descr::makeBool()},
4164020e
SM
2203 BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END};
2204
2205bool read_src_fs_parameters(const bt_value *params, const bt_value **inputs,
2206 const bt_value **trace_name, struct ctf_fs_component *ctf_fs,
2207 bt_self_component *self_comp, bt_self_component_class *self_comp_class)
2208{
2209 bool ret;
2210 const bt_value *value;
2211 bt_logging_level log_level = ctf_fs->log_level;
2212 enum bt_param_validation_status validate_value_status;
2213 gchar *error = NULL;
2214
2215 validate_value_status = bt_param_validation_validate(params, fs_params_entries_descr, &error);
2216 if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) {
2217 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class, "%s", error);
2218 ret = false;
2219 goto end;
2220 }
2221
2222 /* inputs parameter */
2223 *inputs = bt_value_map_borrow_entry_value_const(params, "inputs");
2224
2225 /* clock-class-offset-s parameter */
2226 value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-s");
2227 if (value) {
2228 ctf_fs->metadata_config.clock_class_offset_s = bt_value_integer_signed_get(value);
2229 }
2230
2231 /* clock-class-offset-ns parameter */
2232 value = bt_value_map_borrow_entry_value_const(params, "clock-class-offset-ns");
2233 if (value) {
2234 ctf_fs->metadata_config.clock_class_offset_ns = bt_value_integer_signed_get(value);
2235 }
2236
2237 /* force-clock-class-origin-unix-epoch parameter */
2238 value = bt_value_map_borrow_entry_value_const(params, "force-clock-class-origin-unix-epoch");
2239 if (value) {
2240 ctf_fs->metadata_config.force_clock_class_origin_unix_epoch = bt_value_bool_get(value);
2241 }
2242
2243 /* trace-name parameter */
2244 *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name");
2245
2246 ret = true;
d907165c
SM
2247
2248end:
4164020e
SM
2249 g_free(error);
2250 return ret;
d907165c
SM
2251}
2252
4164020e
SM
2253static struct ctf_fs_component *ctf_fs_create(const bt_value *params,
2254 bt_self_component_source *self_comp_src)
56a1cced 2255{
4164020e
SM
2256 struct ctf_fs_component *ctf_fs = NULL;
2257 const bt_value *inputs_value;
2258 const bt_value *trace_name_value;
2259 bt_self_component *self_comp = bt_self_component_source_as_self_component(self_comp_src);
56a1cced 2260
4164020e 2261 ctf_fs = ctf_fs_component_create(
50b9f4b5 2262 bt_component_get_logging_level(bt_self_component_as_component(self_comp)));
4164020e
SM
2263 if (!ctf_fs) {
2264 goto error;
2265 }
f280892e 2266
4164020e
SM
2267 if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value, ctf_fs, self_comp,
2268 NULL)) {
2269 goto error;
2270 }
56a1cced 2271
4164020e 2272 bt_self_component_set_data(self_comp, ctf_fs);
56a1cced 2273
4164020e
SM
2274 if (ctf_fs_component_create_ctf_fs_trace(ctf_fs, inputs_value, trace_name_value, self_comp,
2275 NULL)) {
2276 goto error;
2277 }
4f1f88a6 2278
4164020e
SM
2279 if (create_streams_for_trace(ctf_fs->trace)) {
2280 goto error;
2281 }
f280892e 2282
4164020e
SM
2283 if (create_ports_for_trace(ctf_fs, ctf_fs->trace, self_comp_src)) {
2284 goto error;
2285 }
4f1f88a6 2286
4164020e 2287 goto end;
1ef09eb5 2288
56a1cced 2289error:
4164020e
SM
2290 ctf_fs_destroy(ctf_fs);
2291 ctf_fs = NULL;
2292 bt_self_component_set_data(self_comp, NULL);
1a9f7075 2293
1ef09eb5 2294end:
4164020e 2295 return ctf_fs;
56a1cced
JG
2296}
2297
50b9f4b5
SM
2298bt_component_class_initialize_method_status ctf_fs_init(bt_self_component_source *self_comp_src,
2299 bt_self_component_source_configuration *,
2300 const bt_value *params, void *)
ea0b4b9e 2301{
4164020e
SM
2302 struct ctf_fs_component *ctf_fs;
2303 bt_component_class_initialize_method_status ret =
2304 BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
ea0b4b9e 2305
4164020e
SM
2306 ctf_fs = ctf_fs_create(params, self_comp_src);
2307 if (!ctf_fs) {
2308 ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
2309 }
4c1456f0 2310
4164020e 2311 return ret;
ea0b4b9e 2312}
33f93973 2313
4164020e
SM
2314bt_component_class_query_method_status ctf_fs_query(bt_self_component_class_source *comp_class,
2315 bt_private_query_executor *priv_query_exec,
2316 const char *object, const bt_value *params,
2317 __attribute__((unused)) void *method_data,
2318 const bt_value **result)
33f93973 2319{
4164020e
SM
2320 bt_component_class_query_method_status status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
2321 bt_logging_level log_level = bt_query_executor_get_logging_level(
2322 bt_private_query_executor_as_query_executor_const(priv_query_exec));
2323
2324 if (strcmp(object, "metadata-info") == 0) {
2325 status = metadata_info_query(comp_class, params, log_level, result);
2326 } else if (strcmp(object, "babeltrace.trace-infos") == 0) {
2327 status = trace_infos_query(comp_class, params, log_level, result);
2328 } else if (!strcmp(object, "babeltrace.support-info")) {
2329 status = support_info_query(comp_class, params, log_level, result);
2330 } else {
2331 BT_LOGE("Unknown query object `%s`", object);
2332 status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT;
2333 goto end;
2334 }
33f93973 2335end:
4164020e 2336 return status;
33f93973 2337}
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