Add bt_common_abort() and use it instead of abort() directly
[babeltrace.git] / src / plugins / ctf / fs-src / fs.c
CommitLineData
7a278c8e 1/*
ea0b4b9e 2 * fs.c
7a278c8e 3 *
ea0b4b9e 4 * Babeltrace CTF file system Reader Component
7a278c8e 5 *
1a9f7075 6 * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com>
f3bc2010 7 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7a278c8e 8 *
7a278c8e
JG
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 */
27
f67894f9 28#define BT_COMP_LOG_SELF_COMP self_comp
3d731ea9
PP
29#define BT_LOG_OUTPUT_LEVEL log_level
30#define BT_LOG_TAG "PLUGIN/SRC.CTF.FS"
3fa1b6a3 31#include "logging/comp-logging.h"
3d731ea9 32
57952005 33#include "common/common.h"
71c5da58 34#include <babeltrace2/babeltrace.h>
d126826c 35#include "common/uuid.h"
ea0b4b9e 36#include <glib.h>
57952005 37#include "common/assert.h"
94cf822e 38#include <inttypes.h>
c55a9f58 39#include <stdbool.h>
56a1cced 40#include "fs.h"
413bc2c4 41#include "metadata.h"
94cf822e 42#include "data-stream-file.h"
e7a4393b 43#include "file.h"
1e649dff 44#include "../common/metadata/decoder.h"
cd03c43c 45#include "../common/metadata/ctf-meta-configure-ir-trace.h"
b09a5592 46#include "../common/msg-iter/msg-iter.h"
04c0ba87 47#include "query.h"
c423217e 48#include "plugins/common/param-validation/param-validation.h"
e7a4393b 49
7b4d28d0
FD
50struct tracer_info {
51 const char *name;
52 int64_t major;
53 int64_t minor;
54 int64_t patch;
55};
56
94cf822e 57static
b09a5592 58int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data)
94cf822e
PP
59{
60 struct ctf_fs_ds_file_info *ds_file_info;
61 int ret = 0;
62
b09a5592
PP
63 BT_ASSERT(msg_iter_data->ds_file_info_index <
64 msg_iter_data->ds_file_group->ds_file_infos->len);
94cf822e 65 ds_file_info = g_ptr_array_index(
b09a5592
PP
66 msg_iter_data->ds_file_group->ds_file_infos,
67 msg_iter_data->ds_file_info_index);
68
69 ctf_fs_ds_file_destroy(msg_iter_data->ds_file);
70 msg_iter_data->ds_file = ctf_fs_ds_file_create(
71 msg_iter_data->ds_file_group->ctf_fs_trace,
72 msg_iter_data->pc_msg_iter,
73 msg_iter_data->msg_iter,
74 msg_iter_data->ds_file_group->stream,
3d731ea9
PP
75 ds_file_info->path->str,
76 msg_iter_data->log_level);
b09a5592 77 if (!msg_iter_data->ds_file) {
94cf822e
PP
78 ret = -1;
79 }
80
81 return ret;
82}
83
84static
b09a5592
PP
85void ctf_fs_msg_iter_data_destroy(
86 struct ctf_fs_msg_iter_data *msg_iter_data)
94cf822e 87{
b09a5592 88 if (!msg_iter_data) {
94cf822e
PP
89 return;
90 }
91
b09a5592 92 ctf_fs_ds_file_destroy(msg_iter_data->ds_file);
55fa6491 93
b09a5592
PP
94 if (msg_iter_data->msg_iter) {
95 bt_msg_iter_destroy(msg_iter_data->msg_iter);
55fa6491
PP
96 }
97
b09a5592 98 g_free(msg_iter_data);
94cf822e
PP
99}
100
bbbd35bf
PP
101static
102void set_msg_iter_emits_stream_beginning_end_messages(
103 struct ctf_fs_msg_iter_data *msg_iter_data)
104{
105 bt_msg_iter_set_emit_stream_beginning_message(
106 msg_iter_data->ds_file->msg_iter,
107 msg_iter_data->ds_file_info_index == 0);
108 bt_msg_iter_set_emit_stream_end_message(
109 msg_iter_data->ds_file->msg_iter,
110 msg_iter_data->ds_file_info_index ==
111 msg_iter_data->ds_file_group->ds_file_infos->len - 1);
112}
113
3fd7b79d 114static
fb25b9e3 115bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next_one(
b09a5592 116 struct ctf_fs_msg_iter_data *msg_iter_data,
bbbd35bf 117 const bt_message **out_msg)
ea0b4b9e 118{
fb25b9e3 119 bt_component_class_message_iterator_next_method_status status;
94cf822e 120
ec4a3354 121 BT_ASSERT_DBG(msg_iter_data->ds_file);
6ff151ad 122
bbbd35bf
PP
123 while (true) {
124 bt_message *msg;
125
126 status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &msg);
127 switch (status) {
fb25b9e3 128 case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK:
bbbd35bf
PP
129 *out_msg = msg;
130 msg = NULL;
6ff151ad 131 goto end;
fb25b9e3 132 case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END:
bbbd35bf
PP
133 {
134 int ret;
6ff151ad 135
bbbd35bf
PP
136 if (msg_iter_data->ds_file_info_index ==
137 msg_iter_data->ds_file_group->ds_file_infos->len - 1) {
138 /* End of all group's stream files */
139 goto end;
140 }
141
142 msg_iter_data->ds_file_info_index++;
989925d1
PP
143 bt_msg_iter_reset_for_next_stream_file(
144 msg_iter_data->msg_iter);
bbbd35bf
PP
145 set_msg_iter_emits_stream_beginning_end_messages(
146 msg_iter_data);
94cf822e 147
94cf822e 148 /*
bbbd35bf
PP
149 * Open and start reading the next stream file
150 * within our stream file group.
94cf822e 151 */
bbbd35bf
PP
152 ret = msg_iter_data_set_current_ds_file(msg_iter_data);
153 if (ret) {
fb25b9e3 154 status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
bbbd35bf
PP
155 goto end;
156 }
157
158 /* Continue the loop to get the next message */
159 break;
94cf822e 160 }
bbbd35bf 161 default:
94cf822e
PP
162 goto end;
163 }
94cf822e 164 }
d01e0f33 165
94cf822e 166end:
3fd7b79d
PP
167 return status;
168}
169
170BT_HIDDEN
fb25b9e3 171bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next(
b09a5592
PP
172 bt_self_message_iterator *iterator,
173 bt_message_array_const msgs, uint64_t capacity,
3fd7b79d
PP
174 uint64_t *count)
175{
fb25b9e3
PP
176 bt_component_class_message_iterator_next_method_status status =
177 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
b09a5592
PP
178 struct ctf_fs_msg_iter_data *msg_iter_data =
179 bt_self_message_iterator_get_data(iterator);
3fd7b79d
PP
180 uint64_t i = 0;
181
fb25b9e3
PP
182 while (i < capacity &&
183 status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
b09a5592 184 status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]);
fb25b9e3 185 if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
3fd7b79d
PP
186 i++;
187 }
188 }
189
190 if (i > 0) {
191 /*
192 * Even if ctf_fs_iterator_next_one() returned something
fb25b9e3 193 * else than BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we
b09a5592
PP
194 * accumulated message objects in the output
195 * message array, so we need to return
fb25b9e3 196 * BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are
3fd7b79d 197 * transfered to downstream. This other status occurs
b09a5592 198 * again the next time muxer_msg_iter_do_next() is
3fd7b79d 199 * called, possibly without any accumulated
b09a5592 200 * message, in which case we'll return it.
3fd7b79d
PP
201 */
202 *count = i;
fb25b9e3 203 status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
3fd7b79d
PP
204 }
205
206 return status;
ea0b4b9e 207}
bfd20a42 208
a02839ae
PP
209static
210int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data)
211{
212 int ret;
213
214 msg_iter_data->ds_file_info_index = 0;
215 ret = msg_iter_data_set_current_ds_file(msg_iter_data);
216 if (ret) {
217 goto end;
218 }
219
220 bt_msg_iter_reset(msg_iter_data->msg_iter);
221 set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data);
222
223end:
224 return ret;
225}
226
227BT_HIDDEN
fb25b9e3
PP
228bt_component_class_message_iterator_seek_beginning_method_status
229ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it)
a02839ae
PP
230{
231 struct ctf_fs_msg_iter_data *msg_iter_data =
232 bt_self_message_iterator_get_data(it);
fb25b9e3
PP
233 bt_component_class_message_iterator_seek_beginning_method_status status =
234 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK;
a02839ae
PP
235
236 BT_ASSERT(msg_iter_data);
237 if (ctf_fs_iterator_reset(msg_iter_data)) {
fb25b9e3 238 status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_ERROR;
a02839ae
PP
239 }
240
241 return status;
242}
243
244BT_HIDDEN
b09a5592 245void ctf_fs_iterator_finalize(bt_self_message_iterator *it)
760051fa 246{
b09a5592
PP
247 ctf_fs_msg_iter_data_destroy(
248 bt_self_message_iterator_get_data(it));
760051fa
JG
249}
250
a02839ae 251BT_HIDDEN
4175c1d5 252bt_component_class_message_iterator_initialize_method_status ctf_fs_iterator_init(
b09a5592 253 bt_self_message_iterator *self_msg_iter,
9415de1c 254 bt_self_message_iterator_configuration *config,
f67894f9 255 bt_self_component_source *self_comp_src,
8eee8ea2 256 bt_self_component_port_output *self_port)
4c1456f0 257{
4f1f88a6 258 struct ctf_fs_port_data *port_data;
b09a5592 259 struct ctf_fs_msg_iter_data *msg_iter_data = NULL;
4175c1d5
FD
260 bt_component_class_message_iterator_initialize_method_status ret =
261 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
3d731ea9 262 bt_logging_level log_level;
5c3441d8
SM
263 bt_self_component *self_comp =
264 bt_self_component_source_as_self_component(self_comp_src);
760051fa 265
834e9996 266 port_data = bt_self_component_port_get_data(
bb61965b 267 bt_self_component_port_output_as_self_component_port(
834e9996
PP
268 self_port));
269 BT_ASSERT(port_data);
3d731ea9 270 log_level = port_data->ctf_fs->log_level;
b09a5592
PP
271 msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1);
272 if (!msg_iter_data) {
4175c1d5 273 ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
94cf822e
PP
274 goto error;
275 }
276
3d731ea9 277 msg_iter_data->log_level = log_level;
f67894f9 278 msg_iter_data->self_comp = self_comp;
b09a5592
PP
279 msg_iter_data->pc_msg_iter = self_msg_iter;
280 msg_iter_data->msg_iter = bt_msg_iter_create(
7b33a0e0 281 port_data->ds_file_group->ctf_fs_trace->metadata->tc,
3d731ea9 282 bt_common_get_page_size(msg_iter_data->log_level) * 8,
f67894f9
PP
283 ctf_fs_ds_file_medops, NULL, msg_iter_data->log_level,
284 self_comp);
b09a5592 285 if (!msg_iter_data->msg_iter) {
5c3441d8 286 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create a CTF message iterator.");
4175c1d5 287 ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
55fa6491
PP
288 goto error;
289 }
290
b09a5592 291 msg_iter_data->ds_file_group = port_data->ds_file_group;
a02839ae 292 if (ctf_fs_iterator_reset(msg_iter_data)) {
4175c1d5 293 ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR;
4f1f88a6 294 goto error;
760051fa
JG
295 }
296
c49bf79b
SM
297 /*
298 * This iterator can seek forward if its stream class has a default
299 * clock class.
300 */
301 if (msg_iter_data->ds_file_group->sc->default_clock_class) {
302 bt_self_message_iterator_configuration_set_can_seek_forward(
303 config, true);
304 }
305
b09a5592
PP
306 bt_self_message_iterator_set_data(self_msg_iter,
307 msg_iter_data);
4175c1d5 308 if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK) {
4f1f88a6 309 goto error;
760051fa 310 }
b09a5592 311 msg_iter_data = NULL;
4f1f88a6 312 goto end;
5b29e799 313
4f1f88a6 314error:
b09a5592 315 bt_self_message_iterator_set_data(self_msg_iter, NULL);
4f1f88a6 316
760051fa 317end:
b09a5592 318 ctf_fs_msg_iter_data_destroy(msg_iter_data);
760051fa
JG
319 return ret;
320}
321
aab89afc
SM
322static
323void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
324{
325 if (!ctf_fs_trace) {
326 return;
327 }
328
329 if (ctf_fs_trace->ds_file_groups) {
330 g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE);
331 }
332
333 BT_TRACE_PUT_REF_AND_RESET(ctf_fs_trace->trace);
334
335 if (ctf_fs_trace->path) {
336 g_string_free(ctf_fs_trace->path, TRUE);
337 }
338
339 if (ctf_fs_trace->metadata) {
340 ctf_fs_metadata_fini(ctf_fs_trace->metadata);
341 g_free(ctf_fs_trace->metadata);
342 }
343
344 g_free(ctf_fs_trace);
345}
346
bf5b7748 347BT_HIDDEN
1a9f7075 348void ctf_fs_destroy(struct ctf_fs_component *ctf_fs)
760051fa 349{
4f1f88a6 350 if (!ctf_fs) {
8fa760ba
JG
351 return;
352 }
4f1f88a6 353
aab89afc 354 ctf_fs_trace_destroy(ctf_fs->trace);
4f1f88a6
PP
355
356 if (ctf_fs->port_data) {
357 g_ptr_array_free(ctf_fs->port_data, TRUE);
c14d7e26 358 }
760051fa 359
1a9f7075
PP
360 g_free(ctf_fs);
361}
362
bf5b7748
SM
363static
364void port_data_destroy(struct ctf_fs_port_data *port_data)
365{
366 if (!port_data) {
367 return;
368 }
369
370 g_free(port_data);
371}
372
373static
374void port_data_destroy_notifier(void *data) {
375 port_data_destroy(data);
376}
377
97ade20b 378static
229f76ed 379void ctf_fs_trace_destroy_notifier(void *data)
97ade20b
JG
380{
381 struct ctf_fs_trace *trace = data;
382 ctf_fs_trace_destroy(trace);
383}
384
f67894f9
PP
385struct ctf_fs_component *ctf_fs_component_create(bt_logging_level log_level,
386 bt_self_component *self_comp)
a4792757 387{
bf5b7748 388 struct ctf_fs_component *ctf_fs;
a4792757 389
bf5b7748
SM
390 ctf_fs = g_new0(struct ctf_fs_component, 1);
391 if (!ctf_fs) {
392 goto error;
393 }
4f1f88a6 394
3d731ea9 395 ctf_fs->log_level = log_level;
bf5b7748
SM
396 ctf_fs->port_data =
397 g_ptr_array_new_with_free_func(port_data_destroy_notifier);
398 if (!ctf_fs->port_data) {
399 goto error;
4f1f88a6
PP
400 }
401
bf5b7748
SM
402 goto end;
403
404error:
e1cfefd2
SM
405 ctf_fs_destroy(ctf_fs);
406 ctf_fs = NULL;
bf5b7748
SM
407
408end:
409 return ctf_fs;
410}
411
412void ctf_fs_finalize(bt_self_component_source *component)
413{
414 ctf_fs_destroy(bt_self_component_get_data(
415 bt_self_component_source_as_self_component(component)));
5b29e799
JG
416}
417
ddf49b27 418gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group)
d09752f8 419{
ddf49b27 420 GString *name = g_string_new(NULL);
d09752f8 421
ddf49b27
SM
422 /*
423 * The unique port name is generated by concatenating unique identifiers
424 * for:
425 *
426 * - the trace
427 * - the stream class
428 * - the stream
429 */
430
431 /* For the trace, use the uuid if present, else the path. */
432 if (ds_file_group->ctf_fs_trace->metadata->tc->is_uuid_set) {
d126826c 433 char uuid_str[BT_UUID_STR_LEN + 1];
ddf49b27 434
d126826c 435 bt_uuid_to_str(ds_file_group->ctf_fs_trace->metadata->tc->uuid, uuid_str);
ddf49b27
SM
436 g_string_assign(name, uuid_str);
437 } else {
438 g_string_assign(name, ds_file_group->ctf_fs_trace->path->str);
d09752f8
PP
439 }
440
441 /*
ddf49b27
SM
442 * For the stream class, use the id if present. We can omit this field
443 * otherwise, as there will only be a single stream class.
d09752f8 444 */
ddf49b27
SM
445 if (ds_file_group->sc->id != UINT64_C(-1)) {
446 g_string_append_printf(name, " | %" PRIu64, ds_file_group->sc->id);
447 }
d09752f8 448
ddf49b27
SM
449 /* For the stream, use the id if present, else, use the path. */
450 if (ds_file_group->stream_id != UINT64_C(-1)) {
451 g_string_append_printf(name, " | %" PRIu64, ds_file_group->stream_id);
452 } else {
453 BT_ASSERT(ds_file_group->ds_file_infos->len == 1);
454 struct ctf_fs_ds_file_info *ds_file_info =
455 g_ptr_array_index(ds_file_group->ds_file_infos, 0);
456 g_string_append_printf(name, " | %s", ds_file_info->path->str);
457 }
458
459 return g_string_free(name, FALSE);
d09752f8
PP
460}
461
5b29e799 462static
55314f2a
JG
463int create_one_port_for_trace(struct ctf_fs_component *ctf_fs,
464 struct ctf_fs_trace *ctf_fs_trace,
5c3441d8
SM
465 struct ctf_fs_ds_file_group *ds_file_group,
466 bt_self_component_source *self_comp_src)
5b29e799 467{
4f1f88a6 468 int ret = 0;
4f1f88a6 469 struct ctf_fs_port_data *port_data = NULL;
ddf49b27 470 gchar *port_name;
3d731ea9 471 bt_logging_level log_level = ctf_fs->log_level;
5c3441d8
SM
472 bt_self_component *self_comp =
473 bt_self_component_source_as_self_component(self_comp_src);
4f1f88a6 474
ddf49b27 475 port_name = ctf_fs_make_port_name(ds_file_group);
4f1f88a6
PP
476 if (!port_name) {
477 goto error;
478 }
479
f67894f9 480 BT_COMP_LOGI("Creating one port named `%s`", port_name);
4f1f88a6
PP
481
482 /* Create output port for this file */
4f1f88a6
PP
483 port_data = g_new0(struct ctf_fs_port_data, 1);
484 if (!port_data) {
485 goto error;
486 }
487
f7c3ac09 488 port_data->ctf_fs = ctf_fs;
94cf822e 489 port_data->ds_file_group = ds_file_group;
834e9996 490 ret = bt_self_component_source_add_output_port(
5c3441d8 491 self_comp_src, port_name, port_data, NULL);
147337a3 492 if (ret) {
4f1f88a6
PP
493 goto error;
494 }
495
496 g_ptr_array_add(ctf_fs->port_data, port_data);
497 port_data = NULL;
498 goto end;
499
500error:
501 ret = -1;
502
503end:
be1b2e7e 504 g_free(port_name);
4f1f88a6 505
4f1f88a6
PP
506 port_data_destroy(port_data);
507 return ret;
5b29e799
JG
508}
509
510static
55314f2a 511int create_ports_for_trace(struct ctf_fs_component *ctf_fs,
5c3441d8
SM
512 struct ctf_fs_trace *ctf_fs_trace,
513 bt_self_component_source *self_comp_src)
94cf822e
PP
514{
515 int ret = 0;
94cf822e 516 size_t i;
3d731ea9 517 bt_logging_level log_level = ctf_fs_trace->log_level;
5c3441d8
SM
518 bt_self_component *self_comp =
519 bt_self_component_source_as_self_component(self_comp_src);
94cf822e
PP
520
521 /* Create one output port for each stream file group */
522 for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
523 struct ctf_fs_ds_file_group *ds_file_group =
524 g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
525
55314f2a 526 ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace,
5c3441d8 527 ds_file_group, self_comp_src);
94cf822e 528 if (ret) {
5c3441d8 529 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create output port.");
94cf822e
PP
530 goto end;
531 }
532 }
533
534end:
535 return ret;
536}
537
94cf822e
PP
538static
539void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info)
540{
541 if (!ds_file_info) {
542 return;
543 }
544
545 if (ds_file_info->path) {
546 g_string_free(ds_file_info->path, TRUE);
547 }
548
549 g_free(ds_file_info);
550}
551
552static
553struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path,
779f4a23 554 int64_t begin_ns)
94cf822e
PP
555{
556 struct ctf_fs_ds_file_info *ds_file_info;
557
558 ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1);
559 if (!ds_file_info) {
560 goto end;
561 }
562
563 ds_file_info->path = g_string_new(path);
564 if (!ds_file_info->path) {
565 ctf_fs_ds_file_info_destroy(ds_file_info);
566 ds_file_info = NULL;
567 goto end;
568 }
569
570 ds_file_info->begin_ns = begin_ns;
571
572end:
573 return ds_file_info;
574}
575
576static
577void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group)
578{
579 if (!ds_file_group) {
580 return;
581 }
582
583 if (ds_file_group->ds_file_infos) {
584 g_ptr_array_free(ds_file_group->ds_file_infos, TRUE);
585 }
586
779f4a23
FD
587 if (ds_file_group->index) {
588 if (ds_file_group->index->entries) {
589 g_ptr_array_free(ds_file_group->index->entries, TRUE);
590 }
591 g_free(ds_file_group->index);
592 }
593
8c6884d9 594 bt_stream_put_ref(ds_file_group->stream);
94cf822e
PP
595 g_free(ds_file_group);
596}
597
598static
599struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create(
600 struct ctf_fs_trace *ctf_fs_trace,
28faa416 601 struct ctf_stream_class *sc,
779f4a23
FD
602 uint64_t stream_instance_id,
603 struct ctf_fs_ds_index *index)
94cf822e
PP
604{
605 struct ctf_fs_ds_file_group *ds_file_group;
606
94cf822e
PP
607 ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1);
608 if (!ds_file_group) {
609 goto error;
610 }
611
612 ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func(
613 (GDestroyNotify) ctf_fs_ds_file_info_destroy);
614 if (!ds_file_group->ds_file_infos) {
615 goto error;
616 }
617
779f4a23
FD
618 ds_file_group->index = index;
619
d09752f8 620 ds_file_group->stream_id = stream_instance_id;
28faa416
PP
621 BT_ASSERT(sc);
622 ds_file_group->sc = sc;
94cf822e 623 ds_file_group->ctf_fs_trace = ctf_fs_trace;
94cf822e
PP
624 goto end;
625
626error:
627 ctf_fs_ds_file_group_destroy(ds_file_group);
779f4a23 628 ctf_fs_ds_index_destroy(index);
94cf822e
PP
629 ds_file_group = NULL;
630
631end:
632 return ds_file_group;
633}
634
2b5f969e
MJ
635/* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */
636static
637void array_insert(GPtrArray *array, gpointer element, size_t pos)
638{
639 size_t original_array_len = array->len;
640
641 /* Allocate an unused element at the end of the array. */
642 g_ptr_array_add(array, NULL);
643
644 /* If we are not inserting at the end, move the elements by one. */
645 if (pos < original_array_len) {
646 memmove(&(array->pdata[pos + 1]),
647 &(array->pdata[pos]),
648 (original_array_len - pos) * sizeof(gpointer));
649 }
650
9f197a0c 651 /* Insert the value. */
2b5f969e
MJ
652 array->pdata[pos] = element;
653}
654
adb623c2
SM
655/*
656 * Insert ds_file_info in ds_file_group's list of ds_file_infos at the right
657 * place to keep it sorted.
658 */
659
660static
661void ds_file_group_insert_ds_file_info_sorted(
662 struct ctf_fs_ds_file_group *ds_file_group,
663 struct ctf_fs_ds_file_info *ds_file_info)
664{
665 guint i;
666
667 /* Find the spot where to insert this ds_file_info. */
668 for (i = 0; i < ds_file_group->ds_file_infos->len; i++) {
669 struct ctf_fs_ds_file_info *other_ds_file_info =
670 g_ptr_array_index(ds_file_group->ds_file_infos, i);
671
672 if (ds_file_info->begin_ns < other_ds_file_info->begin_ns) {
673 break;
674 }
675 }
676
677 array_insert(ds_file_group->ds_file_infos, ds_file_info, i);
678}
679
779f4a23 680static
54dbe4d9
SM
681void ds_index_insert_ds_index_entry_sorted(
682 struct ctf_fs_ds_index *index,
779f4a23
FD
683 struct ctf_fs_ds_index_entry *entry)
684{
685 guint i;
686
687 /* Find the spot where to insert this index entry. */
54dbe4d9
SM
688 for (i = 0; i < index->entries->len; i++) {
689 struct ctf_fs_ds_index_entry *other_entry =
690 g_ptr_array_index(index->entries, i);
779f4a23
FD
691
692 if (entry->timestamp_begin_ns < other_entry->timestamp_begin_ns) {
693 break;
694 }
695 }
696
54dbe4d9
SM
697 array_insert(index->entries, entry, i);
698}
699
700static
701void merge_ctf_fs_ds_indexes(struct ctf_fs_ds_index *dest, struct ctf_fs_ds_index *src)
702{
703 guint i;
704
705 for (i = 0; i < src->entries->len; i++) {
706 struct ctf_fs_ds_index_entry *entry =
707 g_ptr_array_index(src->entries, i);
708
709 /*
710 * Ownership of the ctf_fs_ds_index_entry is transferred to
711 * dest.
712 */
713 g_ptr_array_index(src->entries, i) = NULL;
714
715 ds_index_insert_ds_index_entry_sorted(dest, entry);
716 }
779f4a23
FD
717}
718
94cf822e
PP
719static
720int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
9e550e5f 721 const char *path)
94cf822e 722{
7b33a0e0
PP
723 int64_t stream_instance_id = -1;
724 int64_t begin_ns = -1;
94cf822e
PP
725 struct ctf_fs_ds_file_group *ds_file_group = NULL;
726 bool add_group = false;
727 int ret;
728 size_t i;
55fa6491 729 struct ctf_fs_ds_file *ds_file = NULL;
13772304 730 struct ctf_fs_ds_file_info *ds_file_info = NULL;
97ade20b 731 struct ctf_fs_ds_index *index = NULL;
b09a5592 732 struct bt_msg_iter *msg_iter = NULL;
7b33a0e0 733 struct ctf_stream_class *sc = NULL;
b09a5592 734 struct bt_msg_iter_packet_properties props;
3d731ea9 735 bt_logging_level log_level = ctf_fs_trace->log_level;
f67894f9 736 bt_self_component *self_comp = ctf_fs_trace->self_comp;
6699263d 737 bt_self_component_class *self_comp_class = ctf_fs_trace->self_comp_class;
94cf822e 738
b09a5592 739 msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc,
3d731ea9 740 bt_common_get_page_size(log_level) * 8,
f67894f9 741 ctf_fs_ds_file_medops, NULL, log_level, self_comp);
b09a5592 742 if (!msg_iter) {
f67894f9 743 BT_COMP_LOGE_STR("Cannot create a CTF message iterator.");
55fa6491
PP
744 goto error;
745 }
746
b09a5592 747 ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter,
3d731ea9 748 NULL, path, log_level);
97ade20b
JG
749 if (!ds_file) {
750 goto error;
751 }
752
e5e71bf8 753 ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props);
94cf822e 754 if (ret) {
6699263d 755 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
5c3441d8 756 "Cannot get stream file's first packet's header and context fields (`%s`).",
94cf822e
PP
757 path);
758 goto error;
759 }
760
7b33a0e0
PP
761 sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
762 props.stream_class_id);
763 BT_ASSERT(sc);
7b33a0e0
PP
764 stream_instance_id = props.data_stream_id;
765
766 if (props.snapshots.beginning_clock != UINT64_C(-1)) {
767 BT_ASSERT(sc->default_clock_class);
35fa110e
PP
768 ret = bt_util_clock_cycles_to_ns_from_origin(
769 props.snapshots.beginning_clock,
770 sc->default_clock_class->frequency,
771 sc->default_clock_class->offset_seconds,
772 sc->default_clock_class->offset_cycles, &begin_ns);
7b33a0e0 773 if (ret) {
6699263d 774 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
5c3441d8 775 "Cannot convert clock cycles to nanoseconds from origin (`%s`).",
7b33a0e0
PP
776 path);
777 goto error;
778 }
94cf822e
PP
779 }
780
13772304
FD
781 ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns);
782 if (!ds_file_info) {
783 goto error;
784 }
785
786 index = ctf_fs_ds_file_build_index(ds_file, ds_file_info);
97ade20b 787 if (!index) {
80022dd5
SM
788 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
789 self_comp, self_comp_class,
790 "Failed to index CTF stream file \'%s\'",
97ade20b 791 ds_file->file->path->str);
80022dd5 792 goto error;
97ade20b
JG
793 }
794
7b33a0e0 795 if (begin_ns == -1) {
94cf822e
PP
796 /*
797 * No beggining timestamp to sort the stream files
798 * within a stream file group, so consider that this
799 * file must be the only one within its group.
800 */
7b33a0e0 801 stream_instance_id = -1;
94cf822e
PP
802 }
803
7b33a0e0 804 if (stream_instance_id == -1) {
94cf822e
PP
805 /*
806 * No stream instance ID or no beginning timestamp:
807 * create a unique stream file group for this stream
808 * file because, even if there's a stream instance ID,
809 * there's no timestamp to order the file within its
810 * group.
811 */
94cf822e 812 ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace,
779f4a23
FD
813 sc, UINT64_C(-1), index);
814 /* Ownership of index is transferred. */
815 index = NULL;
816
94cf822e
PP
817 if (!ds_file_group) {
818 goto error;
819 }
820
1281f86d
SM
821 ds_file_group_insert_ds_file_info_sorted(ds_file_group,
822 BT_MOVE_REF(ds_file_info));
94cf822e
PP
823
824 add_group = true;
825 goto end;
826 }
827
7b33a0e0
PP
828 BT_ASSERT(stream_instance_id != -1);
829 BT_ASSERT(begin_ns != -1);
94cf822e
PP
830
831 /* Find an existing stream file group with this ID */
832 for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
94cf822e
PP
833 ds_file_group = g_ptr_array_index(
834 ctf_fs_trace->ds_file_groups, i);
94cf822e 835
28faa416 836 if (ds_file_group->sc == sc &&
d09752f8
PP
837 ds_file_group->stream_id ==
838 stream_instance_id) {
94cf822e
PP
839 break;
840 }
841
842 ds_file_group = NULL;
843 }
844
845 if (!ds_file_group) {
846 ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace,
779f4a23
FD
847 sc, stream_instance_id, index);
848 /* Ownership of index is transferred. */
849 index = NULL;
94cf822e
PP
850 if (!ds_file_group) {
851 goto error;
852 }
853
854 add_group = true;
54dbe4d9
SM
855 } else {
856 merge_ctf_fs_ds_indexes(ds_file_group->index, index);
94cf822e
PP
857 }
858
1281f86d
SM
859 ds_file_group_insert_ds_file_info_sorted(ds_file_group,
860 BT_MOVE_REF(ds_file_info));
94cf822e
PP
861
862 goto end;
863
864error:
865 ctf_fs_ds_file_group_destroy(ds_file_group);
41d87c7b 866 ds_file_group = NULL;
94cf822e
PP
867 ret = -1;
868
869end:
870 if (add_group && ds_file_group) {
871 g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group);
872 }
d09752f8 873
97ade20b 874 ctf_fs_ds_file_destroy(ds_file);
1281f86d 875 ctf_fs_ds_file_info_destroy(ds_file_info);
55fa6491 876
b09a5592
PP
877 if (msg_iter) {
878 bt_msg_iter_destroy(msg_iter);
55fa6491
PP
879 }
880
97ade20b 881 ctf_fs_ds_index_destroy(index);
94cf822e
PP
882 return ret;
883}
884
885static
9e550e5f 886int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace)
e7a4393b
JG
887{
888 int ret = 0;
4f1f88a6 889 const char *basename;
e7a4393b 890 GError *error = NULL;
4f1f88a6 891 GDir *dir = NULL;
3d731ea9 892 bt_logging_level log_level = ctf_fs_trace->log_level;
f67894f9 893 bt_self_component *self_comp = ctf_fs_trace->self_comp;
6699263d 894 bt_self_component_class *self_comp_class = ctf_fs_trace->self_comp_class;
e7a4393b 895
94cf822e 896 /* Check each file in the path directory, except specific ones */
1a9f7075 897 dir = g_dir_open(ctf_fs_trace->path->str, 0, &error);
e7a4393b 898 if (!dir) {
6699263d
SM
899 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
900 "Cannot open directory `%s`: %s (code %d)",
1a9f7075 901 ctf_fs_trace->path->str, error->message,
4f1f88a6 902 error->code);
e7a4393b
JG
903 goto error;
904 }
905
4f1f88a6 906 while ((basename = g_dir_read_name(dir))) {
94cf822e
PP
907 struct ctf_fs_file *file;
908
acfa8112 909 if (strcmp(basename, CTF_FS_METADATA_FILENAME) == 0) {
e7a4393b 910 /* Ignore the metadata stream. */
f67894f9 911 BT_COMP_LOGI("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`",
1a9f7075 912 ctf_fs_trace->path->str, basename);
e7a4393b
JG
913 continue;
914 }
915
4f1f88a6 916 if (basename[0] == '.') {
f67894f9 917 BT_COMP_LOGI("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`",
1a9f7075 918 ctf_fs_trace->path->str, basename);
e7a4393b
JG
919 continue;
920 }
921
922 /* Create the file. */
f67894f9 923 file = ctf_fs_file_create(log_level, self_comp);
e7a4393b 924 if (!file) {
6699263d 925 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
5c3441d8 926 "Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`",
1a9f7075 927 ctf_fs_trace->path->str, basename);
e7a4393b
JG
928 goto error;
929 }
930
931 /* Create full path string. */
2c7bce29 932 g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s",
1a9f7075 933 ctf_fs_trace->path->str, basename);
e7a4393b 934 if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
f67894f9 935 BT_COMP_LOGI("Ignoring non-regular file `%s`",
1a9f7075 936 file->path->str);
e7a4393b 937 ctf_fs_file_destroy(file);
4f1f88a6 938 file = NULL;
e7a4393b
JG
939 continue;
940 }
941
55314f2a 942 ret = ctf_fs_file_open(file, "rb");
4f1f88a6 943 if (ret) {
6699263d
SM
944 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
945 "Cannot open stream file `%s`",
5c3441d8 946 file->path->str);
e7a4393b
JG
947 goto error;
948 }
949
9fa0891a
JG
950 if (file->size == 0) {
951 /* Skip empty stream. */
f67894f9 952 BT_COMP_LOGI("Ignoring empty file `%s`", file->path->str);
9fa0891a
JG
953 ctf_fs_file_destroy(file);
954 continue;
955 }
956
9e550e5f 957 ret = add_ds_file_to_ds_file_group(ctf_fs_trace,
94cf822e 958 file->path->str);
4f1f88a6 959 if (ret) {
6699263d 960 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
5c3441d8 961 "Cannot add stream file `%s` to stream file group",
1a9f7075 962 file->path->str);
94cf822e 963 ctf_fs_file_destroy(file);
e7a4393b
JG
964 goto error;
965 }
966
4f1f88a6 967 ctf_fs_file_destroy(file);
e7a4393b
JG
968 }
969
970 goto end;
4f1f88a6 971
e7a4393b
JG
972error:
973 ret = -1;
4f1f88a6 974
e7a4393b
JG
975end:
976 if (dir) {
977 g_dir_close(dir);
978 dir = NULL;
979 }
4f1f88a6 980
e7a4393b
JG
981 if (error) {
982 g_error_free(error);
983 }
5b29e799 984
91457551 985 return ret;
5b29e799
JG
986}
987
10b7a2e4 988static
3d731ea9 989int set_trace_name(bt_trace *trace, const char *name_suffix,
f67894f9 990 bt_logging_level log_level, bt_self_component *self_comp)
10b7a2e4
PP
991{
992 int ret = 0;
8eee8ea2 993 const bt_value *val;
10b7a2e4
PP
994 GString *name;
995
996 name = g_string_new(NULL);
997 if (!name) {
f67894f9 998 BT_COMP_LOGE_STR("Failed to allocate a GString.");
10b7a2e4
PP
999 ret = -1;
1000 goto end;
1001 }
1002
1003 /*
1004 * Check if we have a trace environment string value named `hostname`.
1005 * If so, use it as the trace name's prefix.
1006 */
cd03c43c
PP
1007 val = bt_trace_borrow_environment_entry_value_by_name_const(
1008 trace, "hostname");
10b7a2e4
PP
1009 if (val && bt_value_is_string(val)) {
1010 g_string_append(name, bt_value_string_get(val));
1011
1012 if (name_suffix) {
1013 g_string_append_c(name, G_DIR_SEPARATOR);
1014 }
1015 }
1016
1017 if (name_suffix) {
1018 g_string_append(name, name_suffix);
1019 }
1020
1021 ret = bt_trace_set_name(trace, name->str);
1022 if (ret) {
1023 goto end;
1024 }
1025
1026 goto end;
1027
1028end:
1029 if (name) {
1030 g_string_free(name, TRUE);
1031 }
1032
1033 return ret;
1034}
1035
bf5b7748 1036static
6699263d
SM
1037struct ctf_fs_trace *ctf_fs_trace_create(
1038 bt_self_component *self_comp,
1039 bt_self_component_class *self_comp_class,
e5e71bf8 1040 const char *path, const char *name,
3d731ea9
PP
1041 struct ctf_fs_metadata_config *metadata_config,
1042 bt_logging_level log_level)
1a9f7075
PP
1043{
1044 struct ctf_fs_trace *ctf_fs_trace;
1045 int ret;
1046
6699263d
SM
1047 /* Only one of them must be set. */
1048 BT_ASSERT(!self_comp != !self_comp_class);
1049
1a9f7075
PP
1050 ctf_fs_trace = g_new0(struct ctf_fs_trace, 1);
1051 if (!ctf_fs_trace) {
1052 goto end;
1053 }
1054
3d731ea9 1055 ctf_fs_trace->log_level = log_level;
f67894f9 1056 ctf_fs_trace->self_comp = self_comp;
6699263d 1057 ctf_fs_trace->self_comp_class = self_comp_class;
1a9f7075
PP
1058 ctf_fs_trace->path = g_string_new(path);
1059 if (!ctf_fs_trace->path) {
1060 goto error;
1061 }
1062
1a9f7075
PP
1063 ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1);
1064 if (!ctf_fs_trace->metadata) {
1065 goto error;
1066 }
1067
7b33a0e0 1068 ctf_fs_metadata_init(ctf_fs_trace->metadata);
94cf822e
PP
1069 ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func(
1070 (GDestroyNotify) ctf_fs_ds_file_group_destroy);
1071 if (!ctf_fs_trace->ds_file_groups) {
1072 goto error;
1073 }
1074
f67894f9
PP
1075 ret = ctf_fs_metadata_set_trace_class(self_comp, ctf_fs_trace,
1076 metadata_config);
10b7a2e4
PP
1077 if (ret) {
1078 goto error;
1079 }
1080
e5e71bf8
PP
1081 if (ctf_fs_trace->metadata->trace_class) {
1082 ctf_fs_trace->trace =
1083 bt_trace_create(ctf_fs_trace->metadata->trace_class);
1084 if (!ctf_fs_trace->trace) {
1085 goto error;
1086 }
10b7a2e4
PP
1087 }
1088
e5e71bf8 1089 if (ctf_fs_trace->trace) {
cd03c43c
PP
1090 ret = ctf_trace_class_configure_ir_trace(
1091 ctf_fs_trace->metadata->tc, ctf_fs_trace->trace);
1092 if (ret) {
1093 goto error;
1094 }
1095
f67894f9
PP
1096 ret = set_trace_name(ctf_fs_trace->trace, name, log_level,
1097 self_comp);
e5e71bf8
PP
1098 if (ret) {
1099 goto error;
1100 }
1a9f7075
PP
1101 }
1102
9e550e5f 1103 ret = create_ds_file_groups(ctf_fs_trace);
94cf822e
PP
1104 if (ret) {
1105 goto error;
1106 }
1107
1a9f7075
PP
1108 goto end;
1109
1110error:
1111 ctf_fs_trace_destroy(ctf_fs_trace);
1112 ctf_fs_trace = NULL;
7b33a0e0 1113
1a9f7075
PP
1114end:
1115 return ctf_fs_trace;
1116}
1117
1118static
1119int path_is_ctf_trace(const char *path)
1120{
1121 GString *metadata_path = g_string_new(NULL);
1122 int ret = 0;
1123
1124 if (!metadata_path) {
1125 ret = -1;
1126 goto end;
1127 }
1128
2c7bce29 1129 g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME);
1a9f7075
PP
1130
1131 if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) {
1132 ret = 1;
1133 goto end;
1134 }
1135
1136end:
1137 g_string_free(metadata_path, TRUE);
1138 return ret;
1139}
1140
aab89afc 1141/* Helper for ctf_fs_component_create_ctf_fs_trace, to handle a single path. */
bf5b7748 1142
1a9f7075 1143static
aab89afc 1144int ctf_fs_component_create_ctf_fs_trace_one_path(
e5e71bf8 1145 struct ctf_fs_component *ctf_fs,
5c3441d8 1146 const char *path_param,
c77d62f1 1147 const char *trace_name,
aab89afc 1148 GPtrArray *traces,
5c3441d8
SM
1149 bt_self_component *self_comp,
1150 bt_self_component_class *self_comp_class)
1a9f7075 1151{
54e1a1aa
SM
1152 struct ctf_fs_trace *ctf_fs_trace;
1153 int ret;
1154 GString *norm_path;
3d731ea9 1155 bt_logging_level log_level = ctf_fs->log_level;
1a9f7075 1156
4bd72b60
PP
1157 norm_path = bt_common_normalize_path(path_param, NULL);
1158 if (!norm_path) {
5c3441d8 1159 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
6699263d
SM
1160 "Failed to normalize path: `%s`.",
1161 path_param);
4bd72b60
PP
1162 goto error;
1163 }
1164
54e1a1aa
SM
1165 ret = path_is_ctf_trace(norm_path->str);
1166 if (ret < 0) {
1167 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
6699263d
SM
1168 "Failed to check if path is a CTF trace: path=%s",
1169 norm_path->str);
54e1a1aa
SM
1170 goto error;
1171 } else if (ret == 0) {
1172 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
6699263d
SM
1173 "Path is not a CTF trace (does not contain a metadata file): `%s`.",
1174 norm_path->str);
1a9f7075
PP
1175 goto error;
1176 }
1177
54e1a1aa
SM
1178 // FIXME: Remove or ifdef for __MINGW32__
1179 if (strcmp(norm_path->str, "/") == 0) {
5c3441d8 1180 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
54e1a1aa
SM
1181 "Opening a trace in `/` is not supported.");
1182 ret = -1;
1183 goto end;
1a9f7075
PP
1184 }
1185
6699263d 1186 ctf_fs_trace = ctf_fs_trace_create(self_comp, self_comp_class, norm_path->str,
c77d62f1 1187 trace_name, &ctf_fs->metadata_config, log_level);
54e1a1aa 1188 if (!ctf_fs_trace) {
6699263d
SM
1189 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
1190 "Cannot create trace for `%s`.",
54e1a1aa 1191 norm_path->str);
1a9f7075
PP
1192 goto error;
1193 }
1194
aab89afc 1195 g_ptr_array_add(traces, ctf_fs_trace);
54e1a1aa 1196 ctf_fs_trace = NULL;
1a9f7075 1197
54e1a1aa 1198 ret = 0;
1a9f7075
PP
1199 goto end;
1200
1201error:
1202 ret = -1;
1a9f7075
PP
1203
1204end:
4bd72b60
PP
1205 if (norm_path) {
1206 g_string_free(norm_path, TRUE);
1207 }
1208
1a9f7075
PP
1209 return ret;
1210}
1211
adb623c2
SM
1212/*
1213 * Count the number of stream and event classes defined by this trace's metadata.
1214 *
1215 * This is used to determine which metadata is the "latest", out of multiple
1216 * traces sharing the same UUID. It is assumed that amongst all these metadatas,
1217 * a bigger metadata is a superset of a smaller metadata. Therefore, it is
1218 * enough to just count the classes.
1219 */
1220
1221static
1222unsigned int metadata_count_stream_and_event_classes(struct ctf_fs_trace *trace)
1223{
1224 unsigned int num = trace->metadata->tc->stream_classes->len;
1225 guint i;
1226
1227 for (i = 0; i < trace->metadata->tc->stream_classes->len; i++) {
1228 struct ctf_stream_class *sc = trace->metadata->tc->stream_classes->pdata[i];
1229 num += sc->event_classes->len;
1230 }
1231
1232 return num;
1233}
1234
1235/*
1236 * Merge the src ds_file_group into dest. This consists of merging their
1237 * ds_file_infos, making sure to keep the result sorted.
1238 */
1239
1240static
1241void merge_ctf_fs_ds_file_groups(struct ctf_fs_ds_file_group *dest, struct ctf_fs_ds_file_group *src)
1242{
1243 guint i;
1244
1245 for (i = 0; i < src->ds_file_infos->len; i++) {
1246 struct ctf_fs_ds_file_info *ds_file_info =
1247 g_ptr_array_index(src->ds_file_infos, i);
1248
1249 /* Ownership of the ds_file_info is transferred to dest. */
1250 g_ptr_array_index(src->ds_file_infos, i) = NULL;
1251
1252 ds_file_group_insert_ds_file_info_sorted(dest, ds_file_info);
1253 }
adb623c2 1254
779f4a23 1255 /* Merge both indexes. */
54dbe4d9 1256 merge_ctf_fs_ds_indexes(dest->index, src->index);
779f4a23 1257}
adb623c2
SM
1258/* Merge src_trace's data stream file groups into dest_trace's. */
1259
1260static
f80e9344 1261int merge_matching_ctf_fs_ds_file_groups(
adb623c2
SM
1262 struct ctf_fs_trace *dest_trace,
1263 struct ctf_fs_trace *src_trace)
1264{
1265
1266 GPtrArray *dest = dest_trace->ds_file_groups;
1267 GPtrArray *src = src_trace->ds_file_groups;
1268 guint s_i;
f80e9344 1269 int ret = 0;
adb623c2
SM
1270
1271 /*
1272 * Save the initial length of dest: we only want to check against the
1273 * original elements in the inner loop.
1274 */
1275 const guint dest_len = dest->len;
1276
1277 for (s_i = 0; s_i < src->len; s_i++) {
1278 struct ctf_fs_ds_file_group *src_group = g_ptr_array_index(src, s_i);
1279 struct ctf_fs_ds_file_group *dest_group = NULL;
1280
1281 /* A stream instance without ID can't match a stream in the other trace. */
1282 if (src_group->stream_id != -1) {
1283 guint d_i;
1284
1285 /* Let's search for a matching ds_file_group in the destination. */
1286 for (d_i = 0; d_i < dest_len; d_i++) {
1287 struct ctf_fs_ds_file_group *candidate_dest = g_ptr_array_index(dest, d_i);
1288
1289 /* Can't match a stream instance without ID. */
1290 if (candidate_dest->stream_id == -1) {
1291 continue;
1292 }
1293
1294 /*
1295 * If the two groups have the same stream instance id
1296 * and belong to the same stream class (stream instance
1297 * ids are per-stream class), they represent the same
1298 * stream instance.
1299 */
1300 if (candidate_dest->stream_id != src_group->stream_id ||
1301 candidate_dest->sc->id != src_group->sc->id) {
1302 continue;
1303 }
1304
1305 dest_group = candidate_dest;
1306 break;
1307 }
1308 }
1309
1310 /*
1311 * Didn't find a friend in dest to merge our src_group into?
779f4a23
FD
1312 * Create a new empty one. This can happen if a stream was
1313 * active in the source trace chunk but not in the destination
1314 * trace chunk.
adb623c2
SM
1315 */
1316 if (!dest_group) {
1317 struct ctf_stream_class *sc;
779f4a23 1318 struct ctf_fs_ds_index *index;
adb623c2
SM
1319
1320 sc = ctf_trace_class_borrow_stream_class_by_id(
1321 dest_trace->metadata->tc, src_group->sc->id);
1322 BT_ASSERT(sc);
1323
f67894f9
PP
1324 index = ctf_fs_ds_index_create(dest_trace->log_level,
1325 dest_trace->self_comp);
779f4a23
FD
1326 if (!index) {
1327 ret = -1;
1328 goto end;
1329 }
1330
adb623c2 1331 dest_group = ctf_fs_ds_file_group_create(dest_trace, sc,
779f4a23
FD
1332 src_group->stream_id, index);
1333 /* Ownership of index is transferred. */
1334 index = NULL;
f80e9344
FD
1335 if (!dest_group) {
1336 ret = -1;
1337 goto end;
1338 }
adb623c2
SM
1339
1340 g_ptr_array_add(dest_trace->ds_file_groups, dest_group);
1341 }
1342
1343 BT_ASSERT(dest_group);
1344 merge_ctf_fs_ds_file_groups(dest_group, src_group);
1345 }
f80e9344
FD
1346
1347end:
1348 return ret;
adb623c2
SM
1349}
1350
1351/*
1352 * Collapse the given traces, which must all share the same UUID, in a single
1353 * one.
1354 *
1355 * The trace with the most expansive metadata is chosen and all other traces
1356 * are merged into that one. The array slots of all the traces that get merged
1357 * in the chosen one are set to NULL, so only the slot of the chosen trace
1358 * remains non-NULL.
1359 */
1360
1361static
aab89afc
SM
1362int merge_ctf_fs_traces(struct ctf_fs_trace **traces, unsigned int num_traces,
1363 struct ctf_fs_trace **out_trace)
adb623c2
SM
1364{
1365 unsigned int winner_count;
1366 struct ctf_fs_trace *winner;
aab89afc 1367 guint i, winner_i;
f80e9344 1368 int ret = 0;
adb623c2
SM
1369
1370 BT_ASSERT(num_traces >= 2);
1371
1372 winner_count = metadata_count_stream_and_event_classes(traces[0]);
1373 winner = traces[0];
aab89afc 1374 winner_i = 0;
adb623c2
SM
1375
1376 /* Find the trace with the largest metadata. */
1377 for (i = 1; i < num_traces; i++) {
1378 struct ctf_fs_trace *candidate;
1379 unsigned int candidate_count;
1380
1381 candidate = traces[i];
1382
1383 /* A bit of sanity check. */
1384 BT_ASSERT(bt_uuid_compare(winner->metadata->tc->uuid, candidate->metadata->tc->uuid) == 0);
1385
1386 candidate_count = metadata_count_stream_and_event_classes(candidate);
1387
1388 if (candidate_count > winner_count) {
1389 winner_count = candidate_count;
1390 winner = candidate;
aab89afc 1391 winner_i = i;
adb623c2
SM
1392 }
1393 }
1394
1395 /* Merge all the other traces in the winning trace. */
1396 for (i = 0; i < num_traces; i++) {
1397 struct ctf_fs_trace *trace = traces[i];
1398
1399 /* Don't merge the winner into itself. */
1400 if (trace == winner) {
1401 continue;
1402 }
1403
1404 /* Merge trace's data stream file groups into winner's. */
f80e9344
FD
1405 ret = merge_matching_ctf_fs_ds_file_groups(winner, trace);
1406 if (ret) {
1407 goto end;
1408 }
adb623c2
SM
1409 }
1410
aab89afc
SM
1411 /*
1412 * Move the winner out of the array, into `*out_trace`.
1413 */
1414 *out_trace = winner;
1415 traces[winner_i] = NULL;
f80e9344
FD
1416
1417end:
1418 return ret;
adb623c2
SM
1419}
1420
df7002e4
FD
1421enum target_event {
1422 FIRST_EVENT,
1423 LAST_EVENT,
1424};
1425
1426static
1427int decode_clock_snapshot_after_event(struct ctf_fs_trace *ctf_fs_trace,
1428 struct ctf_clock_class *default_cc,
1429 struct ctf_fs_ds_index_entry *index_entry,
1430 enum target_event target_event, uint64_t *cs, int64_t *ts_ns)
1431{
1432 enum bt_msg_iter_status iter_status = BT_MSG_ITER_STATUS_OK;
1433 struct ctf_fs_ds_file *ds_file = NULL;
1434 struct bt_msg_iter *msg_iter = NULL;
1435 bt_logging_level log_level = ctf_fs_trace->log_level;
1436 bt_self_component *self_comp = ctf_fs_trace->self_comp;
1437 int ret = 0;
1438
1439 BT_ASSERT(ctf_fs_trace);
1440 BT_ASSERT(ctf_fs_trace->metadata);
1441 BT_ASSERT(ctf_fs_trace->metadata->tc);
1442
1443 msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc,
1444 bt_common_get_page_size(log_level) * 8, ctf_fs_ds_file_medops,
1445 NULL, log_level, self_comp);
1446 if (!msg_iter) {
1447 /* bt_msg_iter_create() logs errors. */
1448 ret = -1;
1449 goto end;
1450 }
1451
1452 BT_ASSERT(index_entry);
1453 BT_ASSERT(index_entry->path);
1454
1455 ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter,
1456 NULL, index_entry->path, log_level);
1457 if (!ds_file) {
5c3441d8 1458 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to create a ctf_fs_ds_file");
df7002e4
FD
1459 ret = -1;
1460 goto end;
1461 }
1462
1463 /*
1464 * Turn on dry run mode to prevent the creation and usage of Babeltrace
1465 * library objects (bt_field, bt_message_*, etc.).
1466 */
1467 bt_msg_iter_set_dry_run(msg_iter, true);
1468
1469 /* Seek to the beginning of the target packet. */
1470 iter_status = bt_msg_iter_seek(ds_file->msg_iter, index_entry->offset);
1471 if (iter_status) {
1472 /* bt_msg_iter_seek() logs errors. */
1473 ret = -1;
1474 goto end;
1475 }
1476
1477 switch (target_event) {
1478 case FIRST_EVENT:
1479 /*
1480 * Start to decode the packet until we reach the end of
1481 * the first event. To extract the first event's clock
1482 * snapshot.
1483 */
1484 iter_status = bt_msg_iter_curr_packet_first_event_clock_snapshot(
1485 ds_file->msg_iter, cs);
1486 break;
1487 case LAST_EVENT:
1488 /* Decode the packet to extract the last event's clock snapshot. */
1489 iter_status = bt_msg_iter_curr_packet_last_event_clock_snapshot(
1490 ds_file->msg_iter, cs);
1491 break;
1492 default:
24847fc7 1493 bt_common_abort();
df7002e4
FD
1494 }
1495 if (iter_status) {
1496 ret = -1;
1497 goto end;
1498 }
1499
1500 /* Convert clock snapshot to timestamp. */
1501 ret = bt_util_clock_cycles_to_ns_from_origin(*cs,
1502 default_cc->frequency, default_cc->offset_seconds,
1503 default_cc->offset_cycles, ts_ns);
1504 if (ret) {
5c3441d8
SM
1505 BT_COMP_LOGE_APPEND_CAUSE(self_comp,
1506 "Failed to convert clock snapshot to timestamp");
df7002e4
FD
1507 goto end;
1508 }
1509
1510end:
1511 if (ds_file) {
1512 ctf_fs_ds_file_destroy(ds_file);
1513 }
1514 if (msg_iter) {
1515 bt_msg_iter_destroy(msg_iter);
1516 }
1517
1518 return ret;
1519}
1520
37ea728c
FD
1521static
1522int decode_packet_first_event_timestamp(struct ctf_fs_trace *ctf_fs_trace,
1523 struct ctf_clock_class *default_cc,
1524 struct ctf_fs_ds_index_entry *index_entry, uint64_t *cs, int64_t *ts_ns)
1525{
1526 return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc,
1527 index_entry, FIRST_EVENT, cs, ts_ns);
1528}
1529
df7002e4
FD
1530static
1531int decode_packet_last_event_timestamp(struct ctf_fs_trace *ctf_fs_trace,
1532 struct ctf_clock_class *default_cc,
1533 struct ctf_fs_ds_index_entry *index_entry, uint64_t *cs, int64_t *ts_ns)
1534{
1535 return decode_clock_snapshot_after_event(ctf_fs_trace, default_cc,
1536 index_entry, LAST_EVENT, cs, ts_ns);
1537}
1538
1539/*
1540 * Fix up packet index entries for lttng's "event-after-packet" bug.
1541 * Some buggy lttng tracer versions may emit events with a timestamp that is
1542 * larger (after) than the timestamp_end of the their packets.
1543 *
1544 * To fix up this erroneous data we do the following:
1545 * 1. If it's not the stream file's last packet: set the packet index entry's
1546 * end time to the next packet's beginning time.
1547 * 2. If it's the stream file's last packet, set the packet index entry's end
1548 * time to the packet's last event's time, if any, or to the packet's
1549 * beginning time otherwise.
1550 *
1551 * Known buggy tracer versions:
1552 * - before lttng-ust 2.11.0
1553 * - before lttng-module 2.11.0
1554 * - before lttng-module 2.10.10
1555 * - before lttng-module 2.9.13
1556 */
1557static
1558int fix_index_lttng_event_after_packet_bug(struct ctf_fs_trace *trace)
1559{
1560 int ret = 0;
1561 guint ds_file_group_i;
1562 GPtrArray *ds_file_groups = trace->ds_file_groups;
1563 bt_logging_level log_level = trace->log_level;
1564
1565 for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len;
1566 ds_file_group_i++) {
1567 guint entry_i;
1568 struct ctf_clock_class *default_cc;
1569 struct ctf_fs_ds_index_entry *last_entry;
1570 struct ctf_fs_ds_index *index;
1571
1572 struct ctf_fs_ds_file_group *ds_file_group =
1573 g_ptr_array_index(ds_file_groups, ds_file_group_i);
1574
1575 BT_ASSERT(ds_file_group);
1576 index = ds_file_group->index;
1577
1578 BT_ASSERT(index);
1579 BT_ASSERT(index->entries);
1580 BT_ASSERT(index->entries->len > 0);
1581
1582 /*
1583 * Iterate over all entries but the last one. The last one is
1584 * fixed differently after.
1585 */
1586 for (entry_i = 0; entry_i < index->entries->len - 1;
1587 entry_i++) {
1588 struct ctf_fs_ds_index_entry *curr_entry, *next_entry;
1589
1590 curr_entry = g_ptr_array_index(index->entries, entry_i);
1591 next_entry = g_ptr_array_index(index->entries, entry_i + 1);
1592
1593 /*
1594 * 1. Set the current index entry `end` timestamp to
1595 * the next index entry `begin` timestamp.
1596 */
1597 curr_entry->timestamp_end = next_entry->timestamp_begin;
1598 curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns;
1599 }
1600
1601 /*
1602 * 2. Fix the last entry by decoding the last event of the last
1603 * packet.
1604 */
1605 last_entry = g_ptr_array_index(index->entries,
1606 index->entries->len - 1);
1607 BT_ASSERT(last_entry);
1608
1609 BT_ASSERT(ds_file_group->sc->default_clock_class);
1610 default_cc = ds_file_group->sc->default_clock_class;
1611
1612 /*
1613 * Decode packet to read the timestamp of the last event of the
1614 * entry.
1615 */
1616 ret = decode_packet_last_event_timestamp(trace, default_cc,
1617 last_entry, &last_entry->timestamp_end,
1618 &last_entry->timestamp_end_ns);
1619 if (ret) {
5c3441d8
SM
1620 BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp,
1621 "Failed to decode stream's last packet to get its last event's clock snapshot.");
df7002e4
FD
1622 goto end;
1623 }
1624 }
1625
1626end:
1627 return ret;
1628}
1629
37ea728c
FD
1630/*
1631 * Fix up packet index entries for barectf's "event-before-packet" bug.
1632 * Some buggy barectf tracer versions may emit events with a timestamp that is
1633 * less than the timestamp_begin of the their packets.
1634 *
1635 * To fix up this erroneous data we do the following:
1636 * 1. Starting at the second index entry, set the timestamp_begin of the
1637 * current entry to the timestamp of the first event of the packet.
1638 * 2. Set the previous entry's timestamp_end to the timestamp_begin of the
1639 * current packet.
1640 *
1641 * Known buggy tracer versions:
1642 * - before barectf 2.3.1
1643 */
1644static
1645int fix_index_barectf_event_before_packet_bug(struct ctf_fs_trace *trace)
1646{
1647 int ret = 0;
1648 guint ds_file_group_i;
1649 GPtrArray *ds_file_groups = trace->ds_file_groups;
1650 bt_logging_level log_level = trace->log_level;
1651
1652 for (ds_file_group_i = 0; ds_file_group_i < ds_file_groups->len;
1653 ds_file_group_i++) {
1654 guint entry_i;
1655 struct ctf_clock_class *default_cc;
1656 struct ctf_fs_ds_file_group *ds_file_group =
1657 g_ptr_array_index(ds_file_groups, ds_file_group_i);
1658
1659 struct ctf_fs_ds_index *index = ds_file_group->index;
1660
1661 BT_ASSERT(index);
1662 BT_ASSERT(index->entries);
1663 BT_ASSERT(index->entries->len > 0);
1664
1665 BT_ASSERT(ds_file_group->sc->default_clock_class);
1666 default_cc = ds_file_group->sc->default_clock_class;
1667
1668 /*
1669 * 1. Iterate over the index, starting from the second entry
1670 * (index = 1).
1671 */
1672 for (entry_i = 1; entry_i < index->entries->len;
1673 entry_i++) {
1674 struct ctf_fs_ds_index_entry *curr_entry, *prev_entry;
1675 prev_entry = g_ptr_array_index(index->entries, entry_i - 1);
1676 curr_entry = g_ptr_array_index(index->entries, entry_i);
1677 /*
1678 * 2. Set the current entry `begin` timestamp to the
1679 * timestamp of the first event of the current packet.
1680 */
1681 ret = decode_packet_first_event_timestamp(trace, default_cc,
1682 curr_entry, &curr_entry->timestamp_begin,
1683 &curr_entry->timestamp_begin_ns);
1684 if (ret) {
5c3441d8
SM
1685 BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp,
1686 "Failed to decode first event's clock snapshot");
37ea728c
FD
1687 goto end;
1688 }
1689
1690 /*
1691 * 3. Set the previous entry `end` timestamp to the
1692 * timestamp of the first event of the current packet.
1693 */
1694 prev_entry->timestamp_end = curr_entry->timestamp_begin;
1695 prev_entry->timestamp_end_ns = curr_entry->timestamp_begin_ns;
1696 }
1697 }
1698end:
1699 return ret;
1700}
1701
7645f10f
FD
1702/*
1703 * When using the lttng-crash feature it's likely that the last packets of each
1704 * stream have their timestamp_end set to zero. This is caused by the fact that
1705 * the tracer crashed and was not able to properly close the packets.
1706 *
1707 * To fix up this erroneous data we do the following:
1708 * For each index entry, if the entry's timestamp_end is 0 and the
1709 * timestamp_begin is not 0:
1710 * - If it's the stream file's last packet: set the packet index entry's end
1711 * time to the packet's last event's time, if any, or to the packet's
1712 * beginning time otherwise.
1713 * - If it's not the stream file's last packet: set the packet index
1714 * entry's end time to the next packet's beginning time.
1715 *
1716 * Affected versions:
1717 * - All current and future lttng-ust and lttng-modules versions.
1718 */
1719static
1720int fix_index_lttng_crash_quirk(struct ctf_fs_trace *trace)
1721{
1722 int ret = 0;
1723 guint ds_file_group_idx;
1724 GPtrArray *ds_file_groups = trace->ds_file_groups;
1725 bt_logging_level log_level = trace->log_level;
1726
1727 for (ds_file_group_idx = 0; ds_file_group_idx < ds_file_groups->len;
1728 ds_file_group_idx++) {
1729 guint entry_idx;
1730 struct ctf_clock_class *default_cc;
1731 struct ctf_fs_ds_index_entry *last_entry;
1732 struct ctf_fs_ds_index *index;
1733
1734 struct ctf_fs_ds_file_group *ds_file_group =
1735 g_ptr_array_index(ds_file_groups, ds_file_group_idx);
1736
1737 BT_ASSERT(ds_file_group);
1738 index = ds_file_group->index;
1739
1740 BT_ASSERT(ds_file_group->sc->default_clock_class);
1741 default_cc = ds_file_group->sc->default_clock_class;
1742
1743 BT_ASSERT(index);
1744 BT_ASSERT(index->entries);
1745 BT_ASSERT(index->entries->len > 0);
1746
1747 last_entry = g_ptr_array_index(index->entries,
1748 index->entries->len - 1);
1749 BT_ASSERT(last_entry);
1750
1751
1752 /* 1. Fix the last entry first. */
1753 if (last_entry->timestamp_end == 0 &&
1754 last_entry->timestamp_begin != 0) {
1755 /*
1756 * Decode packet to read the timestamp of the
1757 * last event of the stream file.
1758 */
1759 ret = decode_packet_last_event_timestamp(trace,
1760 default_cc, last_entry,
1761 &last_entry->timestamp_end,
1762 &last_entry->timestamp_end_ns);
1763 if (ret) {
5c3441d8
SM
1764 BT_COMP_LOGE_APPEND_CAUSE(trace->self_comp,
1765 "Failed to decode last event's clock snapshot");
7645f10f
FD
1766 goto end;
1767 }
1768 }
1769
1770 /* Iterate over all entries but the last one. */
1771 for (entry_idx = 0; entry_idx < index->entries->len - 1;
1772 entry_idx++) {
1773 struct ctf_fs_ds_index_entry *curr_entry, *next_entry;
1774 curr_entry = g_ptr_array_index(index->entries, entry_idx);
1775 next_entry = g_ptr_array_index(index->entries, entry_idx + 1);
1776
1777 if (curr_entry->timestamp_end == 0 &&
1778 curr_entry->timestamp_begin != 0) {
1779 /*
1780 * 2. Set the current index entry `end` timestamp to
1781 * the next index entry `begin` timestamp.
1782 */
1783 curr_entry->timestamp_end = next_entry->timestamp_begin;
1784 curr_entry->timestamp_end_ns = next_entry->timestamp_begin_ns;
1785 }
1786 }
1787 }
1788
1789end:
1790 return ret;
1791}
1792
7b4d28d0
FD
1793/*
1794 * Extract the tracer information necessary to compare versions.
1795 * Returns 0 on success, and -1 if the extraction is not successful because the
1796 * necessary fields are absents in the trace metadata.
1797 */
1798static
7b4d28d0
FD
1799int extract_tracer_info(struct ctf_fs_trace *trace,
1800 struct tracer_info *current_tracer_info)
1801{
1802 int ret = 0;
1803 struct ctf_trace_class_env_entry *entry;
1804
1805 /* Clear the current_tracer_info struct */
1806 memset(current_tracer_info, 0, sizeof(*current_tracer_info));
1807
1808 /*
1809 * To compare 2 tracer versions, at least the tracer name and it's
1810 * major version are needed. If one of these is missing, consider it an
1811 * extraction failure.
1812 */
1813 entry = ctf_trace_class_borrow_env_entry_by_name(
1814 trace->metadata->tc, "tracer_name");
1815 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR) {
1816 goto missing_bare_minimum;
1817 }
1818
1819 /* Set tracer name. */
1820 current_tracer_info->name = entry->value.str->str;
1821
1822 entry = ctf_trace_class_borrow_env_entry_by_name(
1823 trace->metadata->tc, "tracer_major");
1824 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) {
1825 goto missing_bare_minimum;
1826 }
1827
1828 /* Set major version number. */
1829 current_tracer_info->major = entry->value.i;
1830
1831 entry = ctf_trace_class_borrow_env_entry_by_name(
1832 trace->metadata->tc, "tracer_minor");
1833 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) {
1834 goto end;
1835 }
1836
1837 /* Set minor version number. */
1838 current_tracer_info->minor = entry->value.i;
1839
1840 entry = ctf_trace_class_borrow_env_entry_by_name(
1841 trace->metadata->tc, "tracer_patch");
1842 if (!entry) {
1843 /*
1844 * If `tracer_patch` doesn't exist `tracer_patchlevel` might.
1845 * For example, `lttng-modules` uses entry name
1846 * `tracer_patchlevel`.
1847 */
1848 entry = ctf_trace_class_borrow_env_entry_by_name(
1849 trace->metadata->tc, "tracer_patchlevel");
1850 }
1851
1852 if (!entry || entry->type != CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT) {
1853 goto end;
1854 }
1855
1856 /* Set patch version number. */
1857 current_tracer_info->patch = entry->value.i;
1858
1859 goto end;
1860
1861missing_bare_minimum:
1862 ret = -1;
1863end:
1864 return ret;
1865}
1866
df7002e4
FD
1867static
1868bool is_tracer_affected_by_lttng_event_after_packet_bug(
1869 struct tracer_info *curr_tracer_info)
1870{
1871 bool is_affected = false;
1872
1873 if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) {
1874 if (curr_tracer_info->major < 2) {
1875 is_affected = true;
1876 } else if (curr_tracer_info->major == 2) {
1877 /* fixed in lttng-ust 2.11.0 */
1878 if (curr_tracer_info->minor < 11) {
1879 is_affected = true;
1880 }
1881 }
1882 } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) {
1883 if (curr_tracer_info->major < 2) {
1884 is_affected = true;
1885 } else if (curr_tracer_info->major == 2) {
1886 /* fixed in lttng-modules 2.11.0 */
1887 if (curr_tracer_info->minor == 10) {
1888 /* fixed in lttng-modules 2.10.10 */
1889 if (curr_tracer_info->patch < 10) {
1890 is_affected = true;
1891 }
1892 } else if (curr_tracer_info->minor == 9) {
1893 /* fixed in lttng-modules 2.9.13 */
1894 if (curr_tracer_info->patch < 13) {
1895 is_affected = true;
1896 }
1897 } else if (curr_tracer_info->minor < 9) {
1898 is_affected = true;
1899 }
1900 }
1901 }
1902
1903 return is_affected;
1904}
1905
37ea728c
FD
1906static
1907bool is_tracer_affected_by_barectf_event_before_packet_bug(
1908 struct tracer_info *curr_tracer_info)
1909{
1910 bool is_affected = false;
1911
1912 if (strcmp(curr_tracer_info->name, "barectf") == 0) {
1913 if (curr_tracer_info->major < 2) {
1914 is_affected = true;
1915 } else if (curr_tracer_info->major == 2) {
1916 if (curr_tracer_info->minor < 3) {
1917 is_affected = true;
1918 } else if (curr_tracer_info->minor == 3) {
1919 /* fixed in barectf 2.3.1 */
1920 if (curr_tracer_info->patch < 1) {
1921 is_affected = true;
1922 }
1923 }
1924 }
1925 }
1926
1927 return is_affected;
1928}
1929
7645f10f
FD
1930static
1931bool is_tracer_affected_by_lttng_crash_quirk(
1932 struct tracer_info *curr_tracer_info)
1933{
1934 bool is_affected = false;
1935
1936 /* All LTTng tracer may be affected by this lttng crash quirk. */
1937 if (strcmp(curr_tracer_info->name, "lttng-ust") == 0) {
1938 is_affected = true;
1939 } else if (strcmp(curr_tracer_info->name, "lttng-modules") == 0) {
1940 is_affected = true;
1941 }
1942
1943 return is_affected;
1944}
1945
df7002e4
FD
1946/*
1947 * Looks for trace produced by known buggy tracers and fix up the index
1948 * produced earlier.
1949 */
1950static
5c3441d8 1951int fix_packet_index_tracer_bugs(struct ctf_fs_component *ctf_fs,
6699263d
SM
1952 bt_self_component *self_comp,
1953 bt_self_component_class *self_comp_class)
df7002e4
FD
1954{
1955 int ret = 0;
df7002e4 1956 struct tracer_info current_tracer_info;
df7002e4
FD
1957 bt_logging_level log_level = ctf_fs->log_level;
1958
aab89afc
SM
1959 ret = extract_tracer_info(ctf_fs->trace, &current_tracer_info);
1960 if (ret) {
1961 /*
1962 * A trace may not have all the necessary environment
1963 * entries to do the tracer version comparison.
1964 * At least, the tracer name and major version number
1965 * are needed. Failing to extract these entries is not
1966 * an error.
1967 */
1968 ret = 0;
1969 BT_LOGI_STR("Cannot extract tracer information necessary to compare with buggy versions.");
1970 goto end;;
1971 }
df7002e4 1972
aab89afc
SM
1973 /* Check if the trace may be affected by old tracer bugs. */
1974 if (is_tracer_affected_by_lttng_event_after_packet_bug(
1975 &current_tracer_info)) {
1976 BT_LOGI_STR("Trace may be affected by LTTng tracer packet timestamp bug. Fixing up.");
1977 ret = fix_index_lttng_event_after_packet_bug(ctf_fs->trace);
df7002e4 1978 if (ret) {
6699263d
SM
1979 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
1980 self_comp, self_comp_class,
aab89afc
SM
1981 "Failed to fix LTTng event-after-packet bug.");
1982 goto end;
df7002e4 1983 }
aab89afc
SM
1984 ctf_fs->trace->metadata->tc->quirks.lttng_event_after_packet = true;
1985 }
37ea728c 1986
aab89afc
SM
1987 if (is_tracer_affected_by_barectf_event_before_packet_bug(
1988 &current_tracer_info)) {
1989 BT_LOGI_STR("Trace may be affected by barectf tracer packet timestamp bug. Fixing up.");
1990 ret = fix_index_barectf_event_before_packet_bug(ctf_fs->trace);
1991 if (ret) {
6699263d
SM
1992 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
1993 self_comp, self_comp_class,
aab89afc
SM
1994 "Failed to fix barectf event-before-packet bug.");
1995 goto end;
37ea728c 1996 }
aab89afc
SM
1997 ctf_fs->trace->metadata->tc->quirks.barectf_event_before_packet = true;
1998 }
7645f10f 1999
aab89afc
SM
2000 if (is_tracer_affected_by_lttng_crash_quirk(
2001 &current_tracer_info)) {
2002 ret = fix_index_lttng_crash_quirk(ctf_fs->trace);
2003 if (ret) {
6699263d
SM
2004 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(
2005 self_comp, self_comp_class,
aab89afc
SM
2006 "Failed to fix lttng-crash timestamp quirks.");
2007 goto end;
7645f10f 2008 }
aab89afc 2009 ctf_fs->trace->metadata->tc->quirks.lttng_crash = true;
df7002e4 2010 }
aab89afc 2011
df7002e4
FD
2012end:
2013 return ret;
2014}
2015
562e23c1
PP
2016static
2017gint compare_ds_file_groups_by_first_path(gconstpointer a, gconstpointer b)
2018{
2019 struct ctf_fs_ds_file_group * const *ds_file_group_a = a;
2020 struct ctf_fs_ds_file_group * const *ds_file_group_b = b;
2021 const struct ctf_fs_ds_file_info *first_ds_file_info_a;
2022 const struct ctf_fs_ds_file_info *first_ds_file_info_b;
2023
2024 BT_ASSERT((*ds_file_group_a)->ds_file_infos->len > 0);
2025 BT_ASSERT((*ds_file_group_b)->ds_file_infos->len > 0);
2026 first_ds_file_info_a = (*ds_file_group_a)->ds_file_infos->pdata[0];
2027 first_ds_file_info_b = (*ds_file_group_b)->ds_file_infos->pdata[0];
2028 return strcmp(first_ds_file_info_a->path->str,
2029 first_ds_file_info_b->path->str);
2030}
2031
aab89afc 2032int ctf_fs_component_create_ctf_fs_trace(
bf5b7748 2033 struct ctf_fs_component *ctf_fs,
5c3441d8 2034 const bt_value *paths_value,
c77d62f1 2035 const bt_value *trace_name_value,
5c3441d8
SM
2036 bt_self_component *self_comp,
2037 bt_self_component_class *self_comp_class)
bf5b7748
SM
2038{
2039 int ret = 0;
2040 uint64_t i;
df7002e4 2041 bt_logging_level log_level = ctf_fs->log_level;
aab89afc 2042 GPtrArray *traces;
c77d62f1 2043 const char *trace_name;
bf5b7748 2044
aab89afc
SM
2045 BT_ASSERT(bt_value_get_type(paths_value) == BT_VALUE_TYPE_ARRAY);
2046 BT_ASSERT(!bt_value_array_is_empty(paths_value));
2047
2048 traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy_notifier);
2049 if (!traces) {
2050 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2051 "Failed to allocate a GPtrArray.");
2052 goto error;
2053 }
2054
c77d62f1
SM
2055 trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL;
2056
aab89afc 2057 /* Start by creating a separate ctf_fs_trace object for each path. */
1270d0e9 2058 for (i = 0; i < bt_value_array_get_length(paths_value); i++) {
bf5b7748 2059 const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i);
a1040187 2060 const char *input = bt_value_string_get(path_value);
bf5b7748 2061
aab89afc 2062 ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs,
c77d62f1 2063 input, trace_name, traces, self_comp, self_comp_class);
bf5b7748
SM
2064 if (ret) {
2065 goto end;
2066 }
2067 }
2068
aab89afc
SM
2069 if (traces->len > 1) {
2070 struct ctf_fs_trace *first_trace = (struct ctf_fs_trace *) traces->pdata[0];
2071 const uint8_t *first_trace_uuid = first_trace->metadata->tc->uuid;
2072 struct ctf_fs_trace *trace;
2073
2074 /*
2075 * We have more than one trace, they must all share the same
2076 * UUID, verify that.
2077 */
2078 for (i = 0; i < traces->len; i++) {
2079 struct ctf_fs_trace *this_trace =
2080 (struct ctf_fs_trace *) traces->pdata[i];
2081 const uint8_t *this_trace_uuid = this_trace->metadata->tc->uuid;
2082
2083 if (!this_trace->metadata->tc->is_uuid_set) {
2084 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2085 "Multiple traces given, but a trace does not have a UUID: path=%s",
2086 this_trace->path->str);
2087 goto error;
2088 }
2089
2090 if (bt_uuid_compare(first_trace_uuid, this_trace_uuid) != 0) {
2091 char first_trace_uuid_str[BT_UUID_STR_LEN + 1];
2092 char this_trace_uuid_str[BT_UUID_STR_LEN + 1];
2093
2094 bt_uuid_to_str(first_trace_uuid, first_trace_uuid_str);
2095 bt_uuid_to_str(this_trace_uuid, this_trace_uuid_str);
2096
2097 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2098 "Multiple traces given, but UUIDs don't match: "
2099 "first-trace-uuid=%s, first-trace-path=%s, "
2100 "trace-uuid=%s, trace-path=%s",
2101 first_trace_uuid_str, first_trace->path->str,
2102 this_trace_uuid_str, this_trace->path->str);
2103 goto error;
2104 }
2105 }
2106
2107 ret = merge_ctf_fs_traces((struct ctf_fs_trace **) traces->pdata,
2108 traces->len, &trace);
2109 if (ret) {
2110 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2111 "Failed to merge traces with the same UUID.");
2112 goto error;
2113 }
2114
2115 ctf_fs->trace = trace;
2116 } else {
2117 /* Just one trace, it may or may not have a UUID, both are fine. */
2118 ctf_fs->trace = traces->pdata[0];
2119 traces->pdata[0] = NULL;
df7002e4 2120 }
adb623c2 2121
6699263d 2122 ret = fix_packet_index_tracer_bugs(ctf_fs, self_comp, self_comp_class);
df7002e4 2123 if (ret) {
5c3441d8
SM
2124 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2125 "Failed to fix packet index tracer bugs.");
df7002e4 2126 }
aab89afc 2127
562e23c1
PP
2128 /*
2129 * Sort data stream file groups by first data stream file info
2130 * path to get a deterministic order. This order influences the
2131 * order of the output ports. It also influences the order of
2132 * the automatic stream IDs if the trace's packet headers do not
2133 * contain a `stream_instance_id` field, in which case the data
2134 * stream file to stream ID association is always the same,
2135 * whatever the build and the system.
2136 *
2137 * Having a deterministic order here can help debugging and
2138 * testing.
2139 */
2140 g_ptr_array_sort(ctf_fs->trace->ds_file_groups,
2141 compare_ds_file_groups_by_first_path);
aab89afc
SM
2142 goto end;
2143error:
2144 ret = -1;
2145
bf5b7748 2146end:
aab89afc 2147 g_ptr_array_free(traces, TRUE);
bf5b7748
SM
2148 return ret;
2149}
2150
ddf49b27
SM
2151static
2152GString *get_stream_instance_unique_name(
2153 struct ctf_fs_ds_file_group *ds_file_group)
2154{
2155 GString *name;
2156 struct ctf_fs_ds_file_info *ds_file_info;
2157
2158 name = g_string_new(NULL);
2159 if (!name) {
2160 goto end;
2161 }
2162
2163 /*
2164 * If there's more than one stream file in the stream file
2165 * group, the first (earliest) stream file's path is used as
2166 * the stream's unique name.
2167 */
2168 BT_ASSERT(ds_file_group->ds_file_infos->len > 0);
2169 ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0);
2170 g_string_assign(name, ds_file_info->path->str);
2171
2172end:
2173 return name;
2174}
2175
bf5b7748
SM
2176/* Create the IR stream objects for ctf_fs_trace. */
2177
2178static
2179int create_streams_for_trace(struct ctf_fs_trace *ctf_fs_trace)
2180{
2181 int ret;
2182 GString *name = NULL;
2183 guint i;
3d731ea9 2184 bt_logging_level log_level = ctf_fs_trace->log_level;
f67894f9 2185 bt_self_component *self_comp = ctf_fs_trace->self_comp;
bf5b7748
SM
2186
2187 for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
2188 struct ctf_fs_ds_file_group *ds_file_group =
2189 g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
2190 name = get_stream_instance_unique_name(ds_file_group);
2191
2192 if (!name) {
2193 goto error;
2194 }
2195
2196 if (ds_file_group->sc->ir_sc) {
2197 BT_ASSERT(ctf_fs_trace->trace);
2198
2199 if (ds_file_group->stream_id == UINT64_C(-1)) {
2200 /* No stream ID: use 0 */
2201 ds_file_group->stream = bt_stream_create_with_id(
2202 ds_file_group->sc->ir_sc,
2203 ctf_fs_trace->trace,
2204 ctf_fs_trace->next_stream_id);
2205 ctf_fs_trace->next_stream_id++;
2206 } else {
2207 /* Specific stream ID */
2208 ds_file_group->stream = bt_stream_create_with_id(
2209 ds_file_group->sc->ir_sc,
2210 ctf_fs_trace->trace,
2211 (uint64_t) ds_file_group->stream_id);
2212 }
2213 } else {
2214 ds_file_group->stream = NULL;
2215 }
2216
2217 if (!ds_file_group->stream) {
5c3441d8
SM
2218 BT_COMP_LOGE_APPEND_CAUSE(self_comp,
2219 "Cannot create stream for DS file group: "
bf5b7748
SM
2220 "addr=%p, stream-name=\"%s\"",
2221 ds_file_group, name->str);
2222 goto error;
2223 }
2224
2225 ret = bt_stream_set_name(ds_file_group->stream,
2226 name->str);
2227 if (ret) {
5c3441d8 2228 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot set stream's name: "
bf5b7748
SM
2229 "addr=%p, stream-name=\"%s\"",
2230 ds_file_group->stream, name->str);
2231 goto error;
2232 }
2233
2234 g_string_free(name, TRUE);
2235 name = NULL;
2236 }
2237
2238 ret = 0;
2239 goto end;
2240
2241error:
2242 ret = -1;
2243
2244end:
2245
2246 if (name) {
2247 g_string_free(name, TRUE);
2248 }
2249 return ret;
2250}
2251
c423217e
SM
2252static const struct bt_param_validation_value_descr inputs_elem_descr = {
2253 .type = BT_VALUE_TYPE_STRING,
2254};
bf5b7748 2255
c423217e
SM
2256static const struct bt_param_validation_map_value_entry_descr fs_params_entries_descr[] = {
2257 { "inputs", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_MANDATORY, {
2258 BT_VALUE_TYPE_ARRAY,
2259 .array = {
2260 .min_length = 1,
2261 .max_length = BT_PARAM_VALIDATION_INFINITE,
2262 .element_type = &inputs_elem_descr,
bf5b7748 2263 }
c423217e
SM
2264 }},
2265 { "trace-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_STRING } },
2266 { "clock-class-offset-s", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_SIGNED_INTEGER } },
2267 { "clock-class-offset-ns", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_SIGNED_INTEGER } },
2268 { "force-clock-class-origin-unix-epoch", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_BOOL } },
2269 BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END
2270};
bf5b7748 2271
bf5b7748 2272
c80d4c65 2273bool read_src_fs_parameters(const bt_value *params,
c77d62f1
SM
2274 const bt_value **inputs,
2275 const bt_value **trace_name,
2276 struct ctf_fs_component *ctf_fs,
5c3441d8
SM
2277 bt_self_component *self_comp,
2278 bt_self_component_class *self_comp_class) {
c80d4c65
SM
2279 bool ret;
2280 const bt_value *value;
3d731ea9 2281 bt_logging_level log_level = ctf_fs->log_level;
c423217e
SM
2282 enum bt_param_validation_status validate_value_status;
2283 gchar *error = NULL;
2284
2285 validate_value_status = bt_param_validation_validate(params,
2286 fs_params_entries_descr, &error);
2287 if (validate_value_status != BT_PARAM_VALIDATION_STATUS_OK) {
2288 BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
2289 "%s", error);
2290 ret = false;
2291 goto end;
2292 }
c80d4c65 2293
a1040187
SM
2294 /* inputs parameter */
2295 *inputs = bt_value_map_borrow_entry_value_const(params, "inputs");
c80d4c65
SM
2296
2297 /* clock-class-offset-s parameter */
2298 value = bt_value_map_borrow_entry_value_const(params,
2299 "clock-class-offset-s");
2300 if (value) {
c80d4c65 2301 ctf_fs->metadata_config.clock_class_offset_s =
60bbfc7c 2302 bt_value_integer_signed_get(value);
c80d4c65
SM
2303 }
2304
2305 /* clock-class-offset-ns parameter */
2306 value = bt_value_map_borrow_entry_value_const(params,
2307 "clock-class-offset-ns");
2308 if (value) {
c80d4c65 2309 ctf_fs->metadata_config.clock_class_offset_ns =
60bbfc7c 2310 bt_value_integer_signed_get(value);
c80d4c65
SM
2311 }
2312
1ffc68e8
FD
2313 /* force-clock-class-origin-unix-epoch parameter */
2314 value = bt_value_map_borrow_entry_value_const(params,
2315 "force-clock-class-origin-unix-epoch");
2316 if (value) {
1ffc68e8
FD
2317 ctf_fs->metadata_config.force_clock_class_origin_unix_epoch =
2318 bt_value_bool_get(value);
2319 }
2320
c77d62f1
SM
2321 /* trace-name parameter */
2322 *trace_name = bt_value_map_borrow_entry_value_const(params, "trace-name");
c80d4c65
SM
2323
2324 ret = true;
c80d4c65
SM
2325
2326end:
c423217e 2327 g_free(error);
c80d4c65
SM
2328 return ret;
2329}
2330
5b29e799 2331static
834e9996 2332struct ctf_fs_component *ctf_fs_create(
5c3441d8 2333 const bt_value *params,
6699263d 2334 bt_self_component_source *self_comp_src)
56a1cced 2335{
bf5b7748 2336 struct ctf_fs_component *ctf_fs = NULL;
a1040187 2337 const bt_value *inputs_value;
c77d62f1 2338 const bt_value *trace_name_value;
3d731ea9
PP
2339 bt_self_component *self_comp =
2340 bt_self_component_source_as_self_component(self_comp_src);
56a1cced 2341
3d731ea9 2342 ctf_fs = ctf_fs_component_create(bt_component_get_logging_level(
f67894f9 2343 bt_self_component_as_component(self_comp)), self_comp);
c80d4c65 2344 if (!ctf_fs) {
bf5b7748
SM
2345 goto error;
2346 }
2347
c77d62f1 2348 if (!read_src_fs_parameters(params, &inputs_value, &trace_name_value,
6699263d 2349 ctf_fs, self_comp, NULL)) {
bf5b7748 2350 goto error;
56a1cced
JG
2351 }
2352
3d731ea9 2353 bt_self_component_set_data(self_comp, ctf_fs);
56a1cced 2354
aab89afc 2355 if (ctf_fs_component_create_ctf_fs_trace(ctf_fs, inputs_value,
6699263d 2356 trace_name_value, self_comp, NULL)) {
4f1f88a6
PP
2357 goto error;
2358 }
2359
aab89afc
SM
2360 if (create_streams_for_trace(ctf_fs->trace)) {
2361 goto error;
2362 }
bf5b7748 2363
aab89afc
SM
2364 if (create_ports_for_trace(ctf_fs, ctf_fs->trace, self_comp_src)) {
2365 goto error;
4f1f88a6
PP
2366 }
2367
1ef09eb5
JG
2368 goto end;
2369
56a1cced 2370error:
1a9f7075 2371 ctf_fs_destroy(ctf_fs);
e7a4393b 2372 ctf_fs = NULL;
3d731ea9 2373 bt_self_component_set_data(self_comp, NULL);
1a9f7075 2374
1ef09eb5 2375end:
56a1cced
JG
2376 return ctf_fs;
2377}
2378
ea0b4b9e 2379BT_HIDDEN
4175c1d5 2380bt_component_class_initialize_method_status ctf_fs_init(
5c3441d8 2381 bt_self_component_source *self_comp_src,
e3250e61 2382 bt_self_component_source_configuration *config,
f807570c 2383 const bt_value *params, __attribute__((unused)) void *init_method_data)
ea0b4b9e
JG
2384{
2385 struct ctf_fs_component *ctf_fs;
4175c1d5
FD
2386 bt_component_class_initialize_method_status ret =
2387 BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
ea0b4b9e 2388
6699263d 2389 ctf_fs = ctf_fs_create(params, self_comp_src);
ea0b4b9e 2390 if (!ctf_fs) {
4175c1d5 2391 ret = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
ea0b4b9e 2392 }
4c1456f0 2393
ea0b4b9e
JG
2394 return ret;
2395}
33f93973
PP
2396
2397BT_HIDDEN
fb25b9e3 2398bt_component_class_query_method_status ctf_fs_query(
8eee8ea2 2399 bt_self_component_class_source *comp_class,
bf403eb2 2400 bt_private_query_executor *priv_query_exec,
8eee8ea2 2401 const char *object, const bt_value *params,
f6e305ce 2402 __attribute__((unused)) void *method_data,
8eee8ea2 2403 const bt_value **result)
33f93973 2404{
fb25b9e3
PP
2405 bt_component_class_query_method_status status =
2406 BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_OK;
bf403eb2
PP
2407 bt_logging_level log_level = bt_query_executor_get_logging_level(
2408 bt_private_query_executor_as_query_executor_const(
2409 priv_query_exec));
33f93973 2410
acfa8112 2411 if (strcmp(object, "metadata-info") == 0) {
3d731ea9
PP
2412 status = metadata_info_query(comp_class, params, log_level,
2413 result);
9db4399f
SM
2414 } else if (strcmp(object, "babeltrace.trace-infos") == 0) {
2415 status = trace_infos_query(comp_class, params, log_level,
3d731ea9 2416 result);
9e534aae 2417 } else if (!strcmp(object, "babeltrace.support-info")) {
a1040187 2418 status = support_info_query(comp_class, params, log_level, result);
33f93973 2419 } else {
55314f2a 2420 BT_LOGE("Unknown query object `%s`", object);
7dd3e712 2421 status = BT_COMPONENT_CLASS_QUERY_METHOD_STATUS_UNKNOWN_OBJECT;
04c0ba87 2422 goto end;
33f93973 2423 }
33f93973 2424end:
834e9996 2425 return status;
33f93973 2426}
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