Commit | Line | Data |
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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 | ||
4bd72b60 | 28 | #include <babeltrace/common-internal.h> |
5b29e799 | 29 | #include <babeltrace/ctf-ir/packet.h> |
ac0c6bdd | 30 | #include <babeltrace/ctf-ir/clock-class.h> |
94cf822e PP |
31 | #include <babeltrace/ctf-ir/stream.h> |
32 | #include <babeltrace/ctf-ir/fields.h> | |
4f1f88a6 | 33 | #include <babeltrace/graph/private-port.h> |
b2e0c907 | 34 | #include <babeltrace/graph/private-component.h> |
4f1f88a6 PP |
35 | #include <babeltrace/graph/private-component-source.h> |
36 | #include <babeltrace/graph/private-notification-iterator.h> | |
b2e0c907 PP |
37 | #include <babeltrace/graph/component.h> |
38 | #include <babeltrace/graph/notification-iterator.h> | |
599faa1c | 39 | #include <babeltrace/graph/clock-class-priority-map.h> |
7d61fa8e | 40 | #include <plugins-common.h> |
ea0b4b9e JG |
41 | #include <glib.h> |
42 | #include <assert.h> | |
94cf822e | 43 | #include <inttypes.h> |
c55a9f58 | 44 | #include <stdbool.h> |
56a1cced | 45 | #include "fs.h" |
413bc2c4 | 46 | #include "metadata.h" |
94cf822e | 47 | #include "data-stream-file.h" |
e7a4393b | 48 | #include "file.h" |
1e649dff | 49 | #include "../common/metadata/decoder.h" |
04c0ba87 | 50 | #include "query.h" |
e7a4393b | 51 | |
55314f2a JG |
52 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SRC" |
53 | #include "logging.h" | |
ea0b4b9e | 54 | |
78bb6992 MD |
55 | BT_HIDDEN |
56 | bool ctf_fs_debug; | |
ea0b4b9e | 57 | |
94cf822e PP |
58 | static |
59 | int notif_iter_data_set_current_ds_file(struct ctf_fs_notif_iter_data *notif_iter_data) | |
60 | { | |
61 | struct ctf_fs_ds_file_info *ds_file_info; | |
62 | int ret = 0; | |
63 | ||
64 | assert(notif_iter_data->ds_file_info_index < | |
65 | notif_iter_data->ds_file_group->ds_file_infos->len); | |
66 | ds_file_info = g_ptr_array_index( | |
67 | notif_iter_data->ds_file_group->ds_file_infos, | |
68 | notif_iter_data->ds_file_info_index); | |
69 | ||
70 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
71 | notif_iter_data->ds_file = ctf_fs_ds_file_create( | |
72 | notif_iter_data->ds_file_group->ctf_fs_trace, | |
73 | notif_iter_data->ds_file_group->stream, | |
74 | ds_file_info->path->str, true); | |
75 | if (!notif_iter_data->ds_file) { | |
76 | ret = -1; | |
77 | } | |
78 | ||
79 | return ret; | |
80 | } | |
81 | ||
82 | static | |
83 | void ctf_fs_notif_iter_data_destroy( | |
84 | struct ctf_fs_notif_iter_data *notif_iter_data) | |
85 | { | |
86 | if (!notif_iter_data) { | |
87 | return; | |
88 | } | |
89 | ||
90 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
91 | g_free(notif_iter_data); | |
92 | } | |
93 | ||
41a2b7ae | 94 | struct bt_notification_iterator_next_return ctf_fs_iterator_next( |
4f1f88a6 | 95 | struct bt_private_notification_iterator *iterator) |
ea0b4b9e | 96 | { |
94cf822e PP |
97 | struct bt_notification_iterator_next_return next_ret; |
98 | struct ctf_fs_notif_iter_data *notif_iter_data = | |
4f1f88a6 | 99 | bt_private_notification_iterator_get_user_data(iterator); |
94cf822e PP |
100 | int ret; |
101 | ||
102 | assert(notif_iter_data->ds_file); | |
103 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
104 | if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_END) { | |
105 | assert(!next_ret.notification); | |
106 | notif_iter_data->ds_file_info_index++; | |
107 | ||
108 | if (notif_iter_data->ds_file_info_index == | |
109 | notif_iter_data->ds_file_group->ds_file_infos->len) { | |
110 | /* | |
111 | * No more stream files to read: we reached the | |
112 | * real end. | |
113 | */ | |
114 | goto end; | |
115 | } | |
116 | ||
117 | /* | |
118 | * Open and start reading the next stream file within | |
119 | * our stream file group. | |
120 | */ | |
121 | ret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
122 | if (ret) { | |
123 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
124 | goto end; | |
125 | } | |
126 | ||
127 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
128 | ||
129 | /* | |
130 | * We should not get BT_NOTIFICATION_ITERATOR_STATUS_END | |
131 | * with a brand new stream file because empty stream | |
132 | * files are not even part of stream file groups, which | |
133 | * means we're sure to get at least one pair of "packet | |
134 | * begin" and "packet end" notifications in the case of | |
135 | * a single, empty packet. | |
136 | */ | |
137 | assert(next_ret.status != BT_NOTIFICATION_ITERATOR_STATUS_END); | |
138 | } | |
d01e0f33 | 139 | |
94cf822e PP |
140 | end: |
141 | return next_ret; | |
ea0b4b9e | 142 | } |
bfd20a42 | 143 | |
4f1f88a6 | 144 | void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it) |
760051fa | 145 | { |
94cf822e | 146 | void *notif_iter_data = |
4f1f88a6 | 147 | bt_private_notification_iterator_get_user_data(it); |
760051fa | 148 | |
94cf822e | 149 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
150 | } |
151 | ||
4f1f88a6 PP |
152 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
153 | struct bt_private_notification_iterator *it, | |
154 | struct bt_private_port *port) | |
4c1456f0 | 155 | { |
4f1f88a6 | 156 | struct ctf_fs_port_data *port_data; |
94cf822e | 157 | struct ctf_fs_notif_iter_data *notif_iter_data = NULL; |
4f1f88a6 PP |
158 | enum bt_notification_iterator_status ret = |
159 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
94cf822e | 160 | int iret; |
760051fa | 161 | |
4f1f88a6 PP |
162 | port_data = bt_private_port_get_user_data(port); |
163 | if (!port_data) { | |
fe8ad2b6 | 164 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 PP |
165 | goto error; |
166 | } | |
5b29e799 | 167 | |
94cf822e PP |
168 | notif_iter_data = g_new0(struct ctf_fs_notif_iter_data, 1); |
169 | if (!notif_iter_data) { | |
170 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
171 | goto error; | |
172 | } | |
173 | ||
174 | notif_iter_data->ds_file_group = port_data->ds_file_group; | |
175 | iret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
176 | if (iret) { | |
177 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
4f1f88a6 | 178 | goto error; |
760051fa JG |
179 | } |
180 | ||
94cf822e | 181 | ret = bt_private_notification_iterator_set_user_data(it, notif_iter_data); |
4f1f88a6 PP |
182 | if (ret) { |
183 | goto error; | |
760051fa JG |
184 | } |
185 | ||
94cf822e | 186 | notif_iter_data = NULL; |
4f1f88a6 | 187 | goto end; |
5b29e799 | 188 | |
4f1f88a6 PP |
189 | error: |
190 | (void) bt_private_notification_iterator_set_user_data(it, NULL); | |
191 | ||
192 | if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
193 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
760051fa | 194 | } |
5b29e799 | 195 | |
760051fa | 196 | end: |
94cf822e | 197 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
198 | return ret; |
199 | } | |
200 | ||
760051fa | 201 | static |
1a9f7075 | 202 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 203 | { |
4f1f88a6 | 204 | if (!ctf_fs) { |
8fa760ba JG |
205 | return; |
206 | } | |
4f1f88a6 | 207 | |
1a9f7075 PP |
208 | if (ctf_fs->traces) { |
209 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 210 | } |
4f1f88a6 PP |
211 | |
212 | if (ctf_fs->port_data) { | |
213 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 214 | } |
760051fa | 215 | |
1a9f7075 PP |
216 | g_free(ctf_fs); |
217 | } | |
218 | ||
219 | static | |
220 | void ctf_fs_trace_destroy(void *data) | |
221 | { | |
222 | struct ctf_fs_trace *ctf_fs_trace = data; | |
223 | ||
224 | if (!ctf_fs_trace) { | |
225 | return; | |
226 | } | |
227 | ||
94cf822e PP |
228 | if (ctf_fs_trace->ds_file_groups) { |
229 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
230 | } | |
231 | ||
1a9f7075 PP |
232 | if (ctf_fs_trace->path) { |
233 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 234 | } |
760051fa | 235 | |
1a9f7075 PP |
236 | if (ctf_fs_trace->name) { |
237 | g_string_free(ctf_fs_trace->name, TRUE); | |
238 | } | |
239 | ||
240 | if (ctf_fs_trace->metadata) { | |
241 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
242 | g_free(ctf_fs_trace->metadata); | |
243 | } | |
244 | ||
245 | bt_put(ctf_fs_trace->cc_prio_map); | |
246 | g_free(ctf_fs_trace); | |
4c1456f0 JG |
247 | } |
248 | ||
4f1f88a6 | 249 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 250 | { |
4f1f88a6 PP |
251 | void *data = bt_private_component_get_user_data(component); |
252 | ||
1a9f7075 | 253 | ctf_fs_destroy(data); |
a4792757 JG |
254 | } |
255 | ||
e7a4393b | 256 | static |
4f1f88a6 PP |
257 | void port_data_destroy(void *data) { |
258 | struct ctf_fs_port_data *port_data = data; | |
259 | ||
260 | if (!port_data) { | |
261 | return; | |
262 | } | |
263 | ||
4f1f88a6 | 264 | g_free(port_data); |
5b29e799 JG |
265 | } |
266 | ||
267 | static | |
55314f2a JG |
268 | int create_one_port_for_trace(struct ctf_fs_component *ctf_fs, |
269 | struct ctf_fs_trace *ctf_fs_trace, | |
94cf822e | 270 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 271 | { |
4f1f88a6 | 272 | int ret = 0; |
4f1f88a6 PP |
273 | struct ctf_fs_port_data *port_data = NULL; |
274 | GString *port_name = NULL; | |
94cf822e PP |
275 | struct ctf_fs_ds_file_info *ds_file_info = |
276 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
4f1f88a6 PP |
277 | |
278 | port_name = g_string_new(NULL); | |
279 | if (!port_name) { | |
280 | goto error; | |
281 | } | |
282 | ||
94cf822e PP |
283 | /* |
284 | * Assign the name for the new output port. If there's more than | |
285 | * one stream file in the stream file group, the first | |
286 | * (earliest) stream file's path is used. | |
287 | */ | |
288 | assert(ds_file_group->ds_file_infos->len > 0); | |
289 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
290 | g_string_assign(port_name, ds_file_info->path->str); | |
55314f2a | 291 | BT_LOGD("Creating one port named `%s`", port_name->str); |
4f1f88a6 PP |
292 | |
293 | /* Create output port for this file */ | |
4f1f88a6 PP |
294 | port_data = g_new0(struct ctf_fs_port_data, 1); |
295 | if (!port_data) { | |
296 | goto error; | |
297 | } | |
298 | ||
94cf822e | 299 | port_data->ds_file_group = ds_file_group; |
147337a3 PP |
300 | ret = bt_private_component_source_add_output_private_port( |
301 | ctf_fs->priv_comp, port_name->str, port_data, NULL); | |
302 | if (ret) { | |
4f1f88a6 PP |
303 | goto error; |
304 | } | |
305 | ||
306 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
307 | port_data = NULL; | |
308 | goto end; | |
309 | ||
310 | error: | |
311 | ret = -1; | |
312 | ||
313 | end: | |
314 | if (port_name) { | |
315 | g_string_free(port_name, TRUE); | |
316 | } | |
317 | ||
4f1f88a6 PP |
318 | port_data_destroy(port_data); |
319 | return ret; | |
5b29e799 JG |
320 | } |
321 | ||
322 | static | |
55314f2a JG |
323 | int create_ports_for_trace(struct ctf_fs_component *ctf_fs, |
324 | struct ctf_fs_trace *ctf_fs_trace) | |
94cf822e PP |
325 | { |
326 | int ret = 0; | |
94cf822e PP |
327 | size_t i; |
328 | ||
329 | /* Create one output port for each stream file group */ | |
330 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
331 | struct ctf_fs_ds_file_group *ds_file_group = | |
332 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
333 | ||
55314f2a JG |
334 | ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace, |
335 | ds_file_group); | |
94cf822e | 336 | if (ret) { |
55314f2a | 337 | BT_LOGE("Cannot create output port."); |
94cf822e PP |
338 | goto end; |
339 | } | |
340 | } | |
341 | ||
342 | end: | |
343 | return ret; | |
344 | } | |
345 | ||
346 | uint64_t get_packet_header_stream_instance_id(struct ctf_fs_trace *ctf_fs_trace, | |
347 | struct bt_ctf_field *packet_header_field) | |
348 | { | |
349 | struct bt_ctf_field *stream_instance_id_field = NULL; | |
350 | uint64_t stream_instance_id = -1ULL; | |
351 | int ret; | |
352 | ||
353 | if (!packet_header_field) { | |
354 | goto end; | |
355 | } | |
356 | ||
357 | stream_instance_id_field = bt_ctf_field_structure_get_field_by_name( | |
358 | packet_header_field, "stream_instance_id"); | |
359 | if (!stream_instance_id_field) { | |
360 | goto end; | |
361 | } | |
362 | ||
363 | ret = bt_ctf_field_unsigned_integer_get_value(stream_instance_id_field, | |
364 | &stream_instance_id); | |
365 | if (ret) { | |
366 | stream_instance_id = -1ULL; | |
367 | goto end; | |
368 | } | |
369 | ||
370 | end: | |
371 | bt_put(stream_instance_id_field); | |
372 | return stream_instance_id; | |
373 | } | |
374 | ||
375 | struct bt_ctf_stream_class *stream_class_from_packet_header( | |
376 | struct ctf_fs_trace *ctf_fs_trace, | |
377 | struct bt_ctf_field *packet_header_field) | |
378 | { | |
379 | struct bt_ctf_field *stream_id_field = NULL; | |
380 | struct bt_ctf_stream_class *stream_class = NULL; | |
381 | uint64_t stream_id = -1ULL; | |
382 | int ret; | |
383 | ||
384 | if (!packet_header_field) { | |
385 | goto single_stream_class; | |
386 | } | |
387 | ||
388 | stream_id_field = bt_ctf_field_structure_get_field_by_name( | |
389 | packet_header_field, "stream_id"); | |
390 | if (!stream_id_field) { | |
391 | goto end; | |
392 | } | |
393 | ||
394 | ret = bt_ctf_field_unsigned_integer_get_value(stream_id_field, | |
395 | &stream_id); | |
396 | if (ret) { | |
397 | stream_id = -1ULL; | |
398 | } | |
399 | ||
400 | if (stream_id == -1ULL) { | |
401 | single_stream_class: | |
402 | /* Single stream class */ | |
403 | if (bt_ctf_trace_get_stream_class_count( | |
404 | ctf_fs_trace->metadata->trace) == 0) { | |
405 | goto end; | |
406 | } | |
407 | ||
408 | stream_class = bt_ctf_trace_get_stream_class_by_index( | |
409 | ctf_fs_trace->metadata->trace, 0); | |
410 | } else { | |
411 | stream_class = bt_ctf_trace_get_stream_class_by_id( | |
412 | ctf_fs_trace->metadata->trace, stream_id); | |
413 | } | |
414 | ||
415 | end: | |
416 | bt_put(stream_id_field); | |
417 | return stream_class; | |
418 | } | |
419 | ||
420 | uint64_t get_packet_context_timestamp_begin_ns( | |
421 | struct ctf_fs_trace *ctf_fs_trace, | |
422 | struct bt_ctf_field *packet_context_field) | |
423 | { | |
424 | int ret; | |
425 | struct bt_ctf_field *timestamp_begin_field = NULL; | |
426 | struct bt_ctf_field_type *timestamp_begin_ft = NULL; | |
427 | uint64_t timestamp_begin_raw_value = -1ULL; | |
428 | uint64_t timestamp_begin_ns = -1ULL; | |
429 | int64_t timestamp_begin_ns_signed; | |
430 | struct bt_ctf_clock_class *timestamp_begin_clock_class = NULL; | |
431 | struct bt_ctf_clock_value *clock_value = NULL; | |
432 | ||
433 | if (!packet_context_field) { | |
434 | goto end; | |
435 | } | |
436 | ||
437 | timestamp_begin_field = bt_ctf_field_structure_get_field_by_name( | |
438 | packet_context_field, "timestamp_begin"); | |
439 | if (!timestamp_begin_field) { | |
440 | goto end; | |
441 | } | |
442 | ||
443 | timestamp_begin_ft = bt_ctf_field_get_type(timestamp_begin_field); | |
444 | assert(timestamp_begin_ft); | |
445 | timestamp_begin_clock_class = | |
446 | bt_ctf_field_type_integer_get_mapped_clock_class(timestamp_begin_ft); | |
447 | if (!timestamp_begin_clock_class) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | ret = bt_ctf_field_unsigned_integer_get_value(timestamp_begin_field, | |
452 | ×tamp_begin_raw_value); | |
453 | if (ret) { | |
454 | goto end; | |
455 | } | |
456 | ||
457 | clock_value = bt_ctf_clock_value_create(timestamp_begin_clock_class, | |
458 | timestamp_begin_raw_value); | |
459 | if (!clock_value) { | |
460 | goto end; | |
461 | } | |
462 | ||
463 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, | |
464 | ×tamp_begin_ns_signed); | |
465 | if (ret) { | |
466 | goto end; | |
467 | } | |
468 | ||
469 | timestamp_begin_ns = (uint64_t) timestamp_begin_ns_signed; | |
470 | ||
471 | end: | |
472 | bt_put(timestamp_begin_field); | |
473 | bt_put(timestamp_begin_ft); | |
474 | bt_put(timestamp_begin_clock_class); | |
475 | bt_put(clock_value); | |
476 | return timestamp_begin_ns; | |
477 | } | |
478 | ||
479 | static | |
480 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
481 | { | |
482 | if (!ds_file_info) { | |
483 | return; | |
484 | } | |
485 | ||
486 | if (ds_file_info->path) { | |
487 | g_string_free(ds_file_info->path, TRUE); | |
488 | } | |
489 | ||
490 | g_free(ds_file_info); | |
491 | } | |
492 | ||
493 | static | |
494 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
495 | uint64_t begin_ns) | |
496 | { | |
497 | struct ctf_fs_ds_file_info *ds_file_info; | |
498 | ||
499 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
500 | if (!ds_file_info) { | |
501 | goto end; | |
502 | } | |
503 | ||
504 | ds_file_info->path = g_string_new(path); | |
505 | if (!ds_file_info->path) { | |
506 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
507 | ds_file_info = NULL; | |
508 | goto end; | |
509 | } | |
510 | ||
511 | ds_file_info->begin_ns = begin_ns; | |
512 | ||
513 | end: | |
514 | return ds_file_info; | |
515 | } | |
516 | ||
517 | static | |
518 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
519 | { | |
520 | if (!ds_file_group) { | |
521 | return; | |
522 | } | |
523 | ||
524 | if (ds_file_group->ds_file_infos) { | |
525 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
526 | } | |
527 | ||
528 | bt_put(ds_file_group->stream); | |
529 | g_free(ds_file_group); | |
530 | } | |
531 | ||
532 | static | |
533 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
534 | struct ctf_fs_trace *ctf_fs_trace, | |
535 | struct bt_ctf_stream_class *stream_class, | |
536 | uint64_t stream_instance_id) | |
537 | { | |
538 | struct ctf_fs_ds_file_group *ds_file_group; | |
539 | ||
540 | assert(stream_class); | |
541 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); | |
542 | if (!ds_file_group) { | |
543 | goto error; | |
544 | } | |
545 | ||
546 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
547 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
548 | if (!ds_file_group->ds_file_infos) { | |
549 | goto error; | |
550 | } | |
551 | ||
552 | if (stream_instance_id == -1ULL) { | |
553 | ds_file_group->stream = bt_ctf_stream_create( | |
554 | stream_class, NULL); | |
555 | } else { | |
556 | ds_file_group->stream = bt_ctf_stream_create_with_id( | |
557 | stream_class, NULL, stream_instance_id); | |
558 | } | |
559 | ||
560 | if (!ds_file_group->stream) { | |
561 | goto error; | |
562 | } | |
563 | ||
564 | ds_file_group->ctf_fs_trace = ctf_fs_trace; | |
565 | ||
566 | goto end; | |
567 | ||
568 | error: | |
569 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
570 | ds_file_group = NULL; | |
571 | ||
572 | end: | |
573 | return ds_file_group; | |
574 | } | |
575 | ||
576 | static | |
577 | int ctf_fs_ds_file_group_add_ds_file_info( | |
578 | struct ctf_fs_ds_file_group *ds_file_group, | |
579 | const char *path, uint64_t begin_ns) | |
580 | { | |
581 | struct ctf_fs_ds_file_info *ds_file_info; | |
582 | gint i = 0; | |
583 | int ret = 0; | |
584 | ||
585 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); | |
586 | if (!ds_file_info) { | |
587 | goto error; | |
588 | } | |
589 | ||
590 | /* Find a spot to insert this one */ | |
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 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
594 | ||
595 | if (begin_ns < other_ds_file_info->begin_ns) { | |
596 | break; | |
597 | } | |
598 | } | |
599 | ||
600 | if (i == ds_file_group->ds_file_infos->len) { | |
601 | /* Append instead */ | |
602 | i = -1; | |
603 | } | |
604 | ||
605 | g_ptr_array_insert(ds_file_group->ds_file_infos, i, ds_file_info); | |
606 | ds_file_info = NULL; | |
607 | goto end; | |
608 | ||
609 | error: | |
610 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
611 | ret = -1; | |
612 | ||
613 | end: | |
614 | return ret; | |
615 | } | |
616 | ||
617 | static | |
618 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
619 | const char *path) | |
620 | { | |
621 | struct bt_ctf_field *packet_header_field = NULL; | |
622 | struct bt_ctf_field *packet_context_field = NULL; | |
623 | struct bt_ctf_stream_class *stream_class = NULL; | |
94cf822e PP |
624 | uint64_t stream_instance_id = -1ULL; |
625 | uint64_t begin_ns = -1ULL; | |
626 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
627 | bool add_group = false; | |
628 | int ret; | |
629 | size_t i; | |
630 | ||
631 | ret = ctf_fs_ds_file_get_packet_header_context_fields( | |
632 | ctf_fs_trace, path, &packet_header_field, | |
633 | &packet_context_field); | |
634 | if (ret) { | |
55314f2a | 635 | BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).", |
94cf822e PP |
636 | path); |
637 | goto error; | |
638 | } | |
639 | ||
640 | stream_instance_id = get_packet_header_stream_instance_id(ctf_fs_trace, | |
641 | packet_header_field); | |
642 | begin_ns = get_packet_context_timestamp_begin_ns(ctf_fs_trace, | |
643 | packet_context_field); | |
644 | stream_class = stream_class_from_packet_header(ctf_fs_trace, | |
645 | packet_header_field); | |
646 | if (!stream_class) { | |
647 | goto error; | |
648 | } | |
649 | ||
650 | if (begin_ns == -1ULL) { | |
651 | /* | |
652 | * No beggining timestamp to sort the stream files | |
653 | * within a stream file group, so consider that this | |
654 | * file must be the only one within its group. | |
655 | */ | |
656 | stream_instance_id = -1ULL; | |
657 | } | |
658 | ||
659 | if (stream_instance_id == -1ULL) { | |
660 | /* | |
661 | * No stream instance ID or no beginning timestamp: | |
662 | * create a unique stream file group for this stream | |
663 | * file because, even if there's a stream instance ID, | |
664 | * there's no timestamp to order the file within its | |
665 | * group. | |
666 | */ | |
667 | ||
668 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
669 | stream_class, stream_instance_id); | |
670 | if (!ds_file_group) { | |
671 | goto error; | |
672 | } | |
673 | ||
674 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
675 | path, begin_ns); | |
676 | if (ret) { | |
677 | goto error; | |
678 | } | |
679 | ||
680 | add_group = true; | |
681 | goto end; | |
682 | } | |
683 | ||
684 | assert(stream_instance_id != -1ULL); | |
685 | assert(begin_ns != -1ULL); | |
686 | ||
687 | /* Find an existing stream file group with this ID */ | |
688 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
689 | int64_t id; | |
690 | struct bt_ctf_stream_class *cand_stream_class; | |
691 | ||
692 | ds_file_group = g_ptr_array_index( | |
693 | ctf_fs_trace->ds_file_groups, i); | |
694 | id = bt_ctf_stream_get_id(ds_file_group->stream); | |
695 | cand_stream_class = bt_ctf_stream_get_class( | |
696 | ds_file_group->stream); | |
697 | ||
698 | assert(cand_stream_class); | |
699 | bt_put(cand_stream_class); | |
700 | ||
701 | if (cand_stream_class == stream_class && | |
702 | (uint64_t) id == stream_instance_id) { | |
703 | break; | |
704 | } | |
705 | ||
706 | ds_file_group = NULL; | |
707 | } | |
708 | ||
709 | if (!ds_file_group) { | |
710 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
711 | stream_class, stream_instance_id); | |
712 | if (!ds_file_group) { | |
713 | goto error; | |
714 | } | |
715 | ||
716 | add_group = true; | |
717 | } | |
718 | ||
719 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
720 | path, begin_ns); | |
721 | if (ret) { | |
722 | goto error; | |
723 | } | |
724 | ||
725 | goto end; | |
726 | ||
727 | error: | |
728 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
729 | ret = -1; | |
730 | ||
731 | end: | |
732 | if (add_group && ds_file_group) { | |
733 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
734 | } | |
735 | ||
736 | bt_put(packet_header_field); | |
737 | bt_put(packet_context_field); | |
738 | bt_put(stream_class); | |
739 | return ret; | |
740 | } | |
741 | ||
742 | static | |
743 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) | |
e7a4393b JG |
744 | { |
745 | int ret = 0; | |
4f1f88a6 | 746 | const char *basename; |
e7a4393b | 747 | GError *error = NULL; |
4f1f88a6 | 748 | GDir *dir = NULL; |
e7a4393b | 749 | |
94cf822e | 750 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 751 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 752 | if (!dir) { |
55314f2a | 753 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 | 754 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 755 | error->code); |
e7a4393b JG |
756 | goto error; |
757 | } | |
758 | ||
4f1f88a6 | 759 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
760 | struct ctf_fs_file *file; |
761 | ||
4f1f88a6 | 762 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 763 | /* Ignore the metadata stream. */ |
55314f2a | 764 | BT_LOGD("Ignoring metadata file `%s/%s`", |
1a9f7075 | 765 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
766 | continue; |
767 | } | |
768 | ||
4f1f88a6 | 769 | if (basename[0] == '.') { |
55314f2a | 770 | BT_LOGD("Ignoring hidden file `%s/%s`", |
1a9f7075 | 771 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
772 | continue; |
773 | } | |
774 | ||
775 | /* Create the file. */ | |
55314f2a | 776 | file = ctf_fs_file_create(); |
e7a4393b | 777 | if (!file) { |
55314f2a | 778 | BT_LOGE("Cannot create stream file object for file `%s/%s`", |
1a9f7075 | 779 | ctf_fs_trace->path->str, basename); |
e7a4393b JG |
780 | goto error; |
781 | } | |
782 | ||
783 | /* Create full path string. */ | |
784 | g_string_append_printf(file->path, "%s/%s", | |
1a9f7075 | 785 | ctf_fs_trace->path->str, basename); |
e7a4393b | 786 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
55314f2a | 787 | BT_LOGD("Ignoring non-regular file `%s`", |
1a9f7075 | 788 | file->path->str); |
e7a4393b | 789 | ctf_fs_file_destroy(file); |
4f1f88a6 | 790 | file = NULL; |
e7a4393b JG |
791 | continue; |
792 | } | |
793 | ||
55314f2a | 794 | ret = ctf_fs_file_open(file, "rb"); |
4f1f88a6 | 795 | if (ret) { |
55314f2a | 796 | BT_LOGE("Cannot open stream file `%s`", file->path->str); |
e7a4393b JG |
797 | goto error; |
798 | } | |
799 | ||
9fa0891a JG |
800 | if (file->size == 0) { |
801 | /* Skip empty stream. */ | |
55314f2a | 802 | BT_LOGD("Ignoring empty file `%s`", file->path->str); |
9fa0891a JG |
803 | ctf_fs_file_destroy(file); |
804 | continue; | |
805 | } | |
806 | ||
94cf822e PP |
807 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
808 | file->path->str); | |
4f1f88a6 | 809 | if (ret) { |
55314f2a | 810 | BT_LOGD("Cannot add stream file `%s` to stream file group", |
1a9f7075 | 811 | file->path->str); |
94cf822e | 812 | ctf_fs_file_destroy(file); |
e7a4393b JG |
813 | goto error; |
814 | } | |
815 | ||
4f1f88a6 | 816 | ctf_fs_file_destroy(file); |
e7a4393b JG |
817 | } |
818 | ||
819 | goto end; | |
4f1f88a6 | 820 | |
e7a4393b JG |
821 | error: |
822 | ret = -1; | |
4f1f88a6 | 823 | |
e7a4393b JG |
824 | end: |
825 | if (dir) { | |
826 | g_dir_close(dir); | |
827 | dir = NULL; | |
828 | } | |
4f1f88a6 | 829 | |
e7a4393b JG |
830 | if (error) { |
831 | g_error_free(error); | |
832 | } | |
5b29e799 | 833 | |
91457551 | 834 | return ret; |
5b29e799 JG |
835 | } |
836 | ||
599faa1c | 837 | static |
1a9f7075 | 838 | int create_cc_prio_map(struct ctf_fs_trace *ctf_fs_trace) |
599faa1c PP |
839 | { |
840 | int ret = 0; | |
841 | size_t i; | |
842 | int count; | |
843 | ||
1a9f7075 PP |
844 | assert(ctf_fs_trace); |
845 | ctf_fs_trace->cc_prio_map = bt_clock_class_priority_map_create(); | |
846 | if (!ctf_fs_trace->cc_prio_map) { | |
599faa1c PP |
847 | ret = -1; |
848 | goto end; | |
849 | } | |
850 | ||
1a9f7075 PP |
851 | count = bt_ctf_trace_get_clock_class_count( |
852 | ctf_fs_trace->metadata->trace); | |
599faa1c PP |
853 | assert(count >= 0); |
854 | ||
855 | for (i = 0; i < count; i++) { | |
856 | struct bt_ctf_clock_class *clock_class = | |
9ac68eb1 | 857 | bt_ctf_trace_get_clock_class_by_index( |
1a9f7075 | 858 | ctf_fs_trace->metadata->trace, i); |
599faa1c PP |
859 | |
860 | assert(clock_class); | |
861 | ret = bt_clock_class_priority_map_add_clock_class( | |
1a9f7075 | 862 | ctf_fs_trace->cc_prio_map, clock_class, 0); |
599faa1c PP |
863 | BT_PUT(clock_class); |
864 | ||
865 | if (ret) { | |
866 | goto end; | |
867 | } | |
868 | } | |
869 | ||
870 | end: | |
871 | return ret; | |
872 | } | |
873 | ||
1a9f7075 | 874 | static |
55314f2a JG |
875 | struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name, |
876 | struct metadata_overrides *overrides) | |
1a9f7075 PP |
877 | { |
878 | struct ctf_fs_trace *ctf_fs_trace; | |
879 | int ret; | |
880 | ||
881 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
882 | if (!ctf_fs_trace) { | |
883 | goto end; | |
884 | } | |
885 | ||
1a9f7075 PP |
886 | ctf_fs_trace->path = g_string_new(path); |
887 | if (!ctf_fs_trace->path) { | |
888 | goto error; | |
889 | } | |
890 | ||
891 | ctf_fs_trace->name = g_string_new(name); | |
892 | if (!ctf_fs_trace->name) { | |
893 | goto error; | |
894 | } | |
895 | ||
896 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
897 | if (!ctf_fs_trace->metadata) { | |
898 | goto error; | |
899 | } | |
900 | ||
94cf822e PP |
901 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
902 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
903 | if (!ctf_fs_trace->ds_file_groups) { | |
904 | goto error; | |
905 | } | |
906 | ||
55314f2a | 907 | ret = ctf_fs_metadata_set_trace(ctf_fs_trace, overrides); |
1a9f7075 PP |
908 | if (ret) { |
909 | goto error; | |
910 | } | |
911 | ||
94cf822e PP |
912 | ret = create_ds_file_groups(ctf_fs_trace); |
913 | if (ret) { | |
914 | goto error; | |
915 | } | |
916 | ||
1a9f7075 PP |
917 | ret = create_cc_prio_map(ctf_fs_trace); |
918 | if (ret) { | |
919 | goto error; | |
920 | } | |
921 | ||
27d1a78b PP |
922 | /* |
923 | * create_ds_file_groups() created all the streams that this | |
924 | * trace needs. There won't be any more. Therefore it is safe to | |
925 | * make this trace static. | |
926 | */ | |
927 | (void) bt_ctf_trace_set_is_static(ctf_fs_trace->metadata->trace); | |
928 | ||
1a9f7075 PP |
929 | goto end; |
930 | ||
931 | error: | |
932 | ctf_fs_trace_destroy(ctf_fs_trace); | |
933 | ctf_fs_trace = NULL; | |
934 | end: | |
935 | return ctf_fs_trace; | |
936 | } | |
937 | ||
938 | static | |
939 | int path_is_ctf_trace(const char *path) | |
940 | { | |
941 | GString *metadata_path = g_string_new(NULL); | |
942 | int ret = 0; | |
943 | ||
944 | if (!metadata_path) { | |
945 | ret = -1; | |
946 | goto end; | |
947 | } | |
948 | ||
949 | g_string_printf(metadata_path, "%s/%s", path, CTF_FS_METADATA_FILENAME); | |
950 | ||
951 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
952 | ret = 1; | |
953 | goto end; | |
954 | } | |
955 | ||
956 | end: | |
957 | g_string_free(metadata_path, TRUE); | |
958 | return ret; | |
959 | } | |
960 | ||
961 | static | |
55314f2a | 962 | int add_trace_path(GList **trace_paths, const char *path) |
1a9f7075 | 963 | { |
4bd72b60 | 964 | GString *norm_path = NULL; |
1a9f7075 | 965 | int ret = 0; |
1a9f7075 | 966 | |
4bd72b60 PP |
967 | norm_path = bt_common_normalize_path(path, NULL); |
968 | if (!norm_path) { | |
55314f2a | 969 | BT_LOGE("Failed to normalize path `%s`.", path); |
1a9f7075 PP |
970 | ret = -1; |
971 | goto end; | |
972 | } | |
973 | ||
4bd72b60 | 974 | if (strcmp(norm_path->str, "/") == 0) { |
55314f2a | 975 | BT_LOGE("Opening a trace in `/` is not supported."); |
1a9f7075 PP |
976 | ret = -1; |
977 | goto end; | |
978 | } | |
979 | ||
4bd72b60 | 980 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
1a9f7075 | 981 | assert(*trace_paths); |
4bd72b60 | 982 | norm_path = NULL; |
1a9f7075 PP |
983 | |
984 | end: | |
4bd72b60 PP |
985 | if (norm_path) { |
986 | g_string_free(norm_path, TRUE); | |
987 | } | |
988 | ||
1a9f7075 PP |
989 | return ret; |
990 | } | |
991 | ||
55314f2a JG |
992 | BT_HIDDEN |
993 | int ctf_fs_find_traces(GList **trace_paths, const char *start_path) | |
1a9f7075 PP |
994 | { |
995 | int ret; | |
996 | GError *error = NULL; | |
997 | GDir *dir = NULL; | |
998 | const char *basename = NULL; | |
999 | ||
1000 | /* Check if the starting path is a CTF trace itself */ | |
1001 | ret = path_is_ctf_trace(start_path); | |
1002 | if (ret < 0) { | |
1003 | goto end; | |
1004 | } | |
1005 | ||
1006 | if (ret) { | |
1007 | /* | |
4bd72b60 PP |
1008 | * Stop recursion: a CTF trace cannot contain another |
1009 | * CTF trace. | |
1a9f7075 | 1010 | */ |
55314f2a | 1011 | ret = add_trace_path(trace_paths, start_path); |
1a9f7075 PP |
1012 | goto end; |
1013 | } | |
1014 | ||
1015 | /* Look for subdirectories */ | |
1016 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1017 | /* Starting path is not a directory: end of recursion */ | |
1018 | goto end; | |
1019 | } | |
1020 | ||
1021 | dir = g_dir_open(start_path, 0, &error); | |
1022 | if (!dir) { | |
1023 | if (error->code == G_FILE_ERROR_ACCES) { | |
55314f2a | 1024 | BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing", |
1a9f7075 PP |
1025 | start_path, error->message, error->code); |
1026 | goto end; | |
1027 | } | |
1028 | ||
55314f2a | 1029 | BT_LOGE("Cannot open directory `%s`: %s (code %d)", |
1a9f7075 PP |
1030 | start_path, error->message, error->code); |
1031 | ret = -1; | |
1032 | goto end; | |
1033 | } | |
1034 | ||
1035 | while ((basename = g_dir_read_name(dir))) { | |
1036 | GString *sub_path = g_string_new(NULL); | |
1037 | ||
1038 | if (!sub_path) { | |
1039 | ret = -1; | |
1040 | goto end; | |
1041 | } | |
1042 | ||
1043 | g_string_printf(sub_path, "%s/%s", start_path, basename); | |
55314f2a | 1044 | ret = ctf_fs_find_traces(trace_paths, sub_path->str); |
1a9f7075 PP |
1045 | g_string_free(sub_path, TRUE); |
1046 | if (ret) { | |
1047 | goto end; | |
1048 | } | |
1049 | } | |
1050 | ||
1051 | end: | |
1052 | if (dir) { | |
1053 | g_dir_close(dir); | |
1054 | } | |
1055 | ||
1056 | if (error) { | |
1057 | g_error_free(error); | |
1058 | } | |
1059 | ||
1060 | return ret; | |
1061 | } | |
1062 | ||
55314f2a JG |
1063 | BT_HIDDEN |
1064 | GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) { | |
1a9f7075 | 1065 | GList *trace_names = NULL; |
1a9f7075 | 1066 | GList *node; |
4bd72b60 PP |
1067 | const char *last_sep; |
1068 | size_t base_dist; | |
1a9f7075 PP |
1069 | |
1070 | /* | |
4bd72b60 PP |
1071 | * At this point we know that all the trace paths are |
1072 | * normalized, and so is the base path. This means that | |
1073 | * they are absolute and they don't end with a separator. | |
1074 | * We can simply find the location of the last separator | |
1075 | * in the base path, which gives us the name of the actual | |
1076 | * directory to look into, and use this location as the | |
1077 | * start of each trace name within each trace path. | |
1078 | * | |
1079 | * For example: | |
1080 | * | |
1081 | * Base path: /home/user/my-traces/some-trace | |
1082 | * Trace paths: | |
1083 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1084 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1085 | * - /home/user/my-traces/some-trace/host2/trace | |
1086 | * - /home/user/my-traces/some-trace/other-trace | |
1087 | * | |
1088 | * In this case the trace names are: | |
1089 | * | |
1090 | * - some-trace/host1/trace1 | |
1091 | * - some-trace/host1/trace2 | |
1092 | * - some-trace/host2/trace | |
1093 | * - some-trace/other-trace | |
1a9f7075 | 1094 | */ |
4bd72b60 | 1095 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1096 | |
4bd72b60 PP |
1097 | /* We know there's at least one separator */ |
1098 | assert(last_sep); | |
1a9f7075 | 1099 | |
4bd72b60 PP |
1100 | /* Distance to base */ |
1101 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1102 | |
1103 | /* Create the trace names */ | |
1104 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1105 | GString *trace_name = g_string_new(NULL); | |
1106 | GString *trace_path = node->data; | |
1107 | ||
4bd72b60 PP |
1108 | assert(trace_name); |
1109 | g_string_assign(trace_name, &trace_path->str[base_dist]); | |
1a9f7075 PP |
1110 | trace_names = g_list_append(trace_names, trace_name); |
1111 | } | |
1112 | ||
1113 | return trace_names; | |
1114 | } | |
1115 | ||
1116 | static | |
1117 | int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs, | |
1118 | const char *path_param) | |
1119 | { | |
1120 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1121 | int ret = 0; | |
4bd72b60 | 1122 | GString *norm_path = NULL; |
1a9f7075 PP |
1123 | GList *trace_paths = NULL; |
1124 | GList *trace_names = NULL; | |
1125 | GList *tp_node; | |
1126 | GList *tn_node; | |
55314f2a JG |
1127 | struct metadata_overrides metadata_overrides = { |
1128 | .clock_offset_s = ctf_fs->options.clock_offset, | |
1129 | .clock_offset_ns = ctf_fs->options.clock_offset_ns, | |
1130 | }; | |
1a9f7075 | 1131 | |
4bd72b60 PP |
1132 | norm_path = bt_common_normalize_path(path_param, NULL); |
1133 | if (!norm_path) { | |
55314f2a | 1134 | BT_LOGE("Failed to normalize path: `%s`.", |
4bd72b60 PP |
1135 | path_param); |
1136 | goto error; | |
1137 | } | |
1138 | ||
55314f2a | 1139 | ret = ctf_fs_find_traces(&trace_paths, norm_path->str); |
1a9f7075 PP |
1140 | if (ret) { |
1141 | goto error; | |
1142 | } | |
1143 | ||
1144 | if (!trace_paths) { | |
55314f2a | 1145 | BT_LOGE("No CTF traces recursively found in `%s`.", |
1a9f7075 PP |
1146 | path_param); |
1147 | goto error; | |
1148 | } | |
1149 | ||
55314f2a | 1150 | trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str); |
1a9f7075 | 1151 | if (!trace_names) { |
55314f2a | 1152 | BT_LOGE("Cannot create trace names from trace paths."); |
1a9f7075 PP |
1153 | goto error; |
1154 | } | |
1155 | ||
1156 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1157 | tp_node = g_list_next(tp_node), | |
1158 | tn_node = g_list_next(tn_node)) { | |
1159 | GString *trace_path = tp_node->data; | |
1160 | GString *trace_name = tn_node->data; | |
1161 | ||
55314f2a JG |
1162 | ctf_fs_trace = ctf_fs_trace_create(trace_path->str, |
1163 | trace_name->str, &metadata_overrides); | |
1a9f7075 | 1164 | if (!ctf_fs_trace) { |
55314f2a | 1165 | BT_LOGE("Cannot create trace for `%s`.", |
1a9f7075 PP |
1166 | trace_path->str); |
1167 | goto error; | |
1168 | } | |
52c5fe74 | 1169 | |
55314f2a JG |
1170 | ret = create_ports_for_trace(ctf_fs, ctf_fs_trace); |
1171 | if (ret) { | |
1172 | goto error; | |
1173 | } | |
1174 | ||
52c5fe74 PP |
1175 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); |
1176 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1177 | } |
1178 | ||
1a9f7075 PP |
1179 | goto end; |
1180 | ||
1181 | error: | |
1182 | ret = -1; | |
1183 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1184 | ||
1185 | end: | |
1186 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1187 | if (tp_node->data) { | |
1188 | g_string_free(tp_node->data, TRUE); | |
1189 | } | |
1190 | } | |
1191 | ||
1192 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1193 | if (tn_node->data) { | |
1194 | g_string_free(tn_node->data, TRUE); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | if (trace_paths) { | |
1199 | g_list_free(trace_paths); | |
1200 | } | |
1201 | ||
1202 | if (trace_names) { | |
1203 | g_list_free(trace_names); | |
1204 | } | |
1205 | ||
4bd72b60 PP |
1206 | if (norm_path) { |
1207 | g_string_free(norm_path, TRUE); | |
1208 | } | |
1209 | ||
1a9f7075 PP |
1210 | return ret; |
1211 | } | |
1212 | ||
5b29e799 | 1213 | static |
4f1f88a6 PP |
1214 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
1215 | struct bt_value *params) | |
56a1cced JG |
1216 | { |
1217 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 1218 | struct bt_value *value = NULL; |
1a9f7075 | 1219 | const char *path_param; |
4f1f88a6 | 1220 | int ret; |
56a1cced JG |
1221 | |
1222 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1223 | if (!ctf_fs) { | |
1224 | goto end; | |
1225 | } | |
1226 | ||
1a9f7075 PP |
1227 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
1228 | assert(ret == 0); | |
1229 | ||
4f1f88a6 PP |
1230 | /* |
1231 | * We don't need to get a new reference here because as long as | |
1232 | * our private ctf_fs_component object exists, the containing | |
1233 | * private component should also exist. | |
1234 | */ | |
1235 | ctf_fs->priv_comp = priv_comp; | |
56a1cced | 1236 | value = bt_value_map_get(params, "path"); |
1a9f7075 | 1237 | if (!bt_value_is_string(value)) { |
56a1cced JG |
1238 | goto error; |
1239 | } | |
1240 | ||
1a9f7075 PP |
1241 | ret = bt_value_string_get(value, &path_param); |
1242 | assert(ret == 0); | |
1243 | BT_PUT(value); | |
92540773 JD |
1244 | value = bt_value_map_get(params, "offset-s"); |
1245 | if (value) { | |
1246 | int64_t offset; | |
1247 | ||
1248 | if (!bt_value_is_integer(value)) { | |
55314f2a | 1249 | BT_LOGE("offset-s should be an integer"); |
92540773 JD |
1250 | goto error; |
1251 | } | |
1252 | ret = bt_value_integer_get(value, &offset); | |
1a9f7075 | 1253 | assert(ret == 0); |
92540773 | 1254 | ctf_fs->options.clock_offset = offset; |
1a9f7075 | 1255 | BT_PUT(value); |
92540773 JD |
1256 | } |
1257 | ||
1258 | value = bt_value_map_get(params, "offset-ns"); | |
1259 | if (value) { | |
1260 | int64_t offset; | |
1261 | ||
1262 | if (!bt_value_is_integer(value)) { | |
55314f2a | 1263 | BT_LOGE("offset-ns should be an integer"); |
92540773 JD |
1264 | goto error; |
1265 | } | |
1266 | ret = bt_value_integer_get(value, &offset); | |
1a9f7075 | 1267 | assert(ret == 0); |
92540773 | 1268 | ctf_fs->options.clock_offset_ns = offset; |
1a9f7075 | 1269 | BT_PUT(value); |
92540773 JD |
1270 | } |
1271 | ||
1a9f7075 PP |
1272 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1273 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1274 | goto error; |
1275 | } | |
1276 | ||
1a9f7075 PP |
1277 | ctf_fs->traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy); |
1278 | if (!ctf_fs->traces) { | |
599faa1c PP |
1279 | goto error; |
1280 | } | |
1281 | ||
1a9f7075 | 1282 | ret = create_ctf_fs_traces(ctf_fs, path_param); |
4f1f88a6 PP |
1283 | if (ret) { |
1284 | goto error; | |
1285 | } | |
1286 | ||
1ef09eb5 JG |
1287 | goto end; |
1288 | ||
56a1cced | 1289 | error: |
1a9f7075 | 1290 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1291 | ctf_fs = NULL; |
1a9f7075 PP |
1292 | ret = bt_private_component_set_user_data(priv_comp, NULL); |
1293 | assert(ret == 0); | |
1294 | ||
1ef09eb5 | 1295 | end: |
1a9f7075 | 1296 | bt_put(value); |
56a1cced JG |
1297 | return ctf_fs; |
1298 | } | |
1299 | ||
ea0b4b9e | 1300 | BT_HIDDEN |
4f1f88a6 | 1301 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 1302 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
1303 | { |
1304 | struct ctf_fs_component *ctf_fs; | |
1305 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
1306 | ||
ea0b4b9e | 1307 | ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0; |
4f1f88a6 | 1308 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e | 1309 | if (!ctf_fs) { |
1a9f7075 | 1310 | ret = BT_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1311 | } |
4c1456f0 | 1312 | |
ea0b4b9e JG |
1313 | return ret; |
1314 | } | |
33f93973 PP |
1315 | |
1316 | BT_HIDDEN | |
a67681c1 PP |
1317 | struct bt_value *ctf_fs_query(struct bt_component_class *comp_class, |
1318 | const char *object, struct bt_value *params) | |
33f93973 | 1319 | { |
04c0ba87 | 1320 | struct bt_value *result = NULL; |
33f93973 | 1321 | |
04c0ba87 JG |
1322 | if (!strcmp(object, "metadata-info")) { |
1323 | result = metadata_info_query(comp_class, params); | |
33f93973 | 1324 | } else { |
55314f2a | 1325 | BT_LOGE("Unknown query object `%s`", object); |
04c0ba87 | 1326 | goto end; |
33f93973 | 1327 | } |
33f93973 | 1328 | end: |
04c0ba87 | 1329 | return result; |
33f93973 | 1330 | } |