Commit | Line | Data |
---|---|---|
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" |
e7a4393b JG |
50 | |
51 | #define PRINT_ERR_STREAM ctf_fs->error_fp | |
52 | #define PRINT_PREFIX "ctf-fs" | |
cd00e1d3 MD |
53 | #define PRINT_DBG_CHECK ctf_fs_debug |
54 | #include "../print.h" | |
33f93973 | 55 | #define METADATA_TEXT_SIG "/* CTF 1.8" |
ea0b4b9e | 56 | |
78bb6992 MD |
57 | BT_HIDDEN |
58 | bool ctf_fs_debug; | |
ea0b4b9e | 59 | |
94cf822e PP |
60 | static |
61 | int notif_iter_data_set_current_ds_file(struct ctf_fs_notif_iter_data *notif_iter_data) | |
62 | { | |
63 | struct ctf_fs_ds_file_info *ds_file_info; | |
64 | int ret = 0; | |
65 | ||
66 | assert(notif_iter_data->ds_file_info_index < | |
67 | notif_iter_data->ds_file_group->ds_file_infos->len); | |
68 | ds_file_info = g_ptr_array_index( | |
69 | notif_iter_data->ds_file_group->ds_file_infos, | |
70 | notif_iter_data->ds_file_info_index); | |
71 | ||
72 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
73 | notif_iter_data->ds_file = ctf_fs_ds_file_create( | |
74 | notif_iter_data->ds_file_group->ctf_fs_trace, | |
75 | notif_iter_data->ds_file_group->stream, | |
76 | ds_file_info->path->str, true); | |
77 | if (!notif_iter_data->ds_file) { | |
78 | ret = -1; | |
79 | } | |
80 | ||
81 | return ret; | |
82 | } | |
83 | ||
84 | static | |
85 | void ctf_fs_notif_iter_data_destroy( | |
86 | struct ctf_fs_notif_iter_data *notif_iter_data) | |
87 | { | |
88 | if (!notif_iter_data) { | |
89 | return; | |
90 | } | |
91 | ||
92 | ctf_fs_ds_file_destroy(notif_iter_data->ds_file); | |
93 | g_free(notif_iter_data); | |
94 | } | |
95 | ||
41a2b7ae | 96 | struct bt_notification_iterator_next_return ctf_fs_iterator_next( |
4f1f88a6 | 97 | struct bt_private_notification_iterator *iterator) |
ea0b4b9e | 98 | { |
94cf822e PP |
99 | struct bt_notification_iterator_next_return next_ret; |
100 | struct ctf_fs_notif_iter_data *notif_iter_data = | |
4f1f88a6 | 101 | bt_private_notification_iterator_get_user_data(iterator); |
94cf822e PP |
102 | int ret; |
103 | ||
104 | assert(notif_iter_data->ds_file); | |
105 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
106 | if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_END) { | |
107 | assert(!next_ret.notification); | |
108 | notif_iter_data->ds_file_info_index++; | |
109 | ||
110 | if (notif_iter_data->ds_file_info_index == | |
111 | notif_iter_data->ds_file_group->ds_file_infos->len) { | |
112 | /* | |
113 | * No more stream files to read: we reached the | |
114 | * real end. | |
115 | */ | |
116 | goto end; | |
117 | } | |
118 | ||
119 | /* | |
120 | * Open and start reading the next stream file within | |
121 | * our stream file group. | |
122 | */ | |
123 | ret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
124 | if (ret) { | |
125 | next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
126 | goto end; | |
127 | } | |
128 | ||
129 | next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file); | |
130 | ||
131 | /* | |
132 | * We should not get BT_NOTIFICATION_ITERATOR_STATUS_END | |
133 | * with a brand new stream file because empty stream | |
134 | * files are not even part of stream file groups, which | |
135 | * means we're sure to get at least one pair of "packet | |
136 | * begin" and "packet end" notifications in the case of | |
137 | * a single, empty packet. | |
138 | */ | |
139 | assert(next_ret.status != BT_NOTIFICATION_ITERATOR_STATUS_END); | |
140 | } | |
d01e0f33 | 141 | |
94cf822e PP |
142 | end: |
143 | return next_ret; | |
ea0b4b9e | 144 | } |
bfd20a42 | 145 | |
4f1f88a6 | 146 | void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it) |
760051fa | 147 | { |
94cf822e | 148 | void *notif_iter_data = |
4f1f88a6 | 149 | bt_private_notification_iterator_get_user_data(it); |
760051fa | 150 | |
94cf822e | 151 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
152 | } |
153 | ||
4f1f88a6 PP |
154 | enum bt_notification_iterator_status ctf_fs_iterator_init( |
155 | struct bt_private_notification_iterator *it, | |
156 | struct bt_private_port *port) | |
4c1456f0 | 157 | { |
4f1f88a6 | 158 | struct ctf_fs_port_data *port_data; |
94cf822e | 159 | struct ctf_fs_notif_iter_data *notif_iter_data = NULL; |
4f1f88a6 PP |
160 | enum bt_notification_iterator_status ret = |
161 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
94cf822e | 162 | int iret; |
760051fa | 163 | |
4f1f88a6 PP |
164 | port_data = bt_private_port_get_user_data(port); |
165 | if (!port_data) { | |
fe8ad2b6 | 166 | ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID; |
4f1f88a6 PP |
167 | goto error; |
168 | } | |
5b29e799 | 169 | |
94cf822e PP |
170 | notif_iter_data = g_new0(struct ctf_fs_notif_iter_data, 1); |
171 | if (!notif_iter_data) { | |
172 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
173 | goto error; | |
174 | } | |
175 | ||
176 | notif_iter_data->ds_file_group = port_data->ds_file_group; | |
177 | iret = notif_iter_data_set_current_ds_file(notif_iter_data); | |
178 | if (iret) { | |
179 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
4f1f88a6 | 180 | goto error; |
760051fa JG |
181 | } |
182 | ||
94cf822e | 183 | ret = bt_private_notification_iterator_set_user_data(it, notif_iter_data); |
4f1f88a6 PP |
184 | if (ret) { |
185 | goto error; | |
760051fa JG |
186 | } |
187 | ||
94cf822e | 188 | notif_iter_data = NULL; |
4f1f88a6 | 189 | goto end; |
5b29e799 | 190 | |
4f1f88a6 PP |
191 | error: |
192 | (void) bt_private_notification_iterator_set_user_data(it, NULL); | |
193 | ||
194 | if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
195 | ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
760051fa | 196 | } |
5b29e799 | 197 | |
760051fa | 198 | end: |
94cf822e | 199 | ctf_fs_notif_iter_data_destroy(notif_iter_data); |
760051fa JG |
200 | return ret; |
201 | } | |
202 | ||
760051fa | 203 | static |
1a9f7075 | 204 | void ctf_fs_destroy(struct ctf_fs_component *ctf_fs) |
760051fa | 205 | { |
4f1f88a6 | 206 | if (!ctf_fs) { |
8fa760ba JG |
207 | return; |
208 | } | |
4f1f88a6 | 209 | |
1a9f7075 PP |
210 | if (ctf_fs->traces) { |
211 | g_ptr_array_free(ctf_fs->traces, TRUE); | |
56a1cced | 212 | } |
4f1f88a6 PP |
213 | |
214 | if (ctf_fs->port_data) { | |
215 | g_ptr_array_free(ctf_fs->port_data, TRUE); | |
c14d7e26 | 216 | } |
760051fa | 217 | |
1a9f7075 PP |
218 | g_free(ctf_fs); |
219 | } | |
220 | ||
221 | static | |
222 | void ctf_fs_trace_destroy(void *data) | |
223 | { | |
224 | struct ctf_fs_trace *ctf_fs_trace = data; | |
225 | ||
226 | if (!ctf_fs_trace) { | |
227 | return; | |
228 | } | |
229 | ||
94cf822e PP |
230 | if (ctf_fs_trace->ds_file_groups) { |
231 | g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE); | |
232 | } | |
233 | ||
1a9f7075 PP |
234 | if (ctf_fs_trace->path) { |
235 | g_string_free(ctf_fs_trace->path, TRUE); | |
4f1f88a6 | 236 | } |
760051fa | 237 | |
1a9f7075 PP |
238 | if (ctf_fs_trace->name) { |
239 | g_string_free(ctf_fs_trace->name, TRUE); | |
240 | } | |
241 | ||
242 | if (ctf_fs_trace->metadata) { | |
243 | ctf_fs_metadata_fini(ctf_fs_trace->metadata); | |
244 | g_free(ctf_fs_trace->metadata); | |
245 | } | |
246 | ||
247 | bt_put(ctf_fs_trace->cc_prio_map); | |
248 | g_free(ctf_fs_trace); | |
4c1456f0 JG |
249 | } |
250 | ||
4f1f88a6 | 251 | void ctf_fs_finalize(struct bt_private_component *component) |
a4792757 | 252 | { |
4f1f88a6 PP |
253 | void *data = bt_private_component_get_user_data(component); |
254 | ||
1a9f7075 | 255 | ctf_fs_destroy(data); |
a4792757 JG |
256 | } |
257 | ||
e7a4393b | 258 | static |
4f1f88a6 PP |
259 | void port_data_destroy(void *data) { |
260 | struct ctf_fs_port_data *port_data = data; | |
261 | ||
262 | if (!port_data) { | |
263 | return; | |
264 | } | |
265 | ||
4f1f88a6 | 266 | g_free(port_data); |
5b29e799 JG |
267 | } |
268 | ||
269 | static | |
1a9f7075 | 270 | int create_one_port_for_trace(struct ctf_fs_trace *ctf_fs_trace, |
94cf822e | 271 | struct ctf_fs_ds_file_group *ds_file_group) |
5b29e799 | 272 | { |
4f1f88a6 | 273 | int ret = 0; |
4f1f88a6 PP |
274 | struct ctf_fs_port_data *port_data = NULL; |
275 | GString *port_name = NULL; | |
1a9f7075 | 276 | struct ctf_fs_component *ctf_fs = ctf_fs_trace->ctf_fs; |
94cf822e PP |
277 | struct ctf_fs_ds_file_info *ds_file_info = |
278 | g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
4f1f88a6 PP |
279 | |
280 | port_name = g_string_new(NULL); | |
281 | if (!port_name) { | |
282 | goto error; | |
283 | } | |
284 | ||
94cf822e PP |
285 | /* |
286 | * Assign the name for the new output port. If there's more than | |
287 | * one stream file in the stream file group, the first | |
288 | * (earliest) stream file's path is used. | |
289 | */ | |
290 | assert(ds_file_group->ds_file_infos->len > 0); | |
291 | ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0); | |
292 | g_string_assign(port_name, ds_file_info->path->str); | |
1a9f7075 | 293 | PDBG("Creating one port named `%s`\n", port_name->str); |
4f1f88a6 PP |
294 | |
295 | /* Create output port for this file */ | |
4f1f88a6 PP |
296 | port_data = g_new0(struct ctf_fs_port_data, 1); |
297 | if (!port_data) { | |
298 | goto error; | |
299 | } | |
300 | ||
94cf822e | 301 | port_data->ds_file_group = ds_file_group; |
147337a3 PP |
302 | ret = bt_private_component_source_add_output_private_port( |
303 | ctf_fs->priv_comp, port_name->str, port_data, NULL); | |
304 | if (ret) { | |
4f1f88a6 PP |
305 | goto error; |
306 | } | |
307 | ||
308 | g_ptr_array_add(ctf_fs->port_data, port_data); | |
309 | port_data = NULL; | |
310 | goto end; | |
311 | ||
312 | error: | |
313 | ret = -1; | |
314 | ||
315 | end: | |
316 | if (port_name) { | |
317 | g_string_free(port_name, TRUE); | |
318 | } | |
319 | ||
4f1f88a6 PP |
320 | port_data_destroy(port_data); |
321 | return ret; | |
5b29e799 JG |
322 | } |
323 | ||
324 | static | |
1a9f7075 | 325 | int create_ports_for_trace(struct ctf_fs_trace *ctf_fs_trace) |
94cf822e PP |
326 | { |
327 | int ret = 0; | |
328 | struct ctf_fs_component *ctf_fs = ctf_fs_trace->ctf_fs; | |
329 | size_t i; | |
330 | ||
331 | /* Create one output port for each stream file group */ | |
332 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
333 | struct ctf_fs_ds_file_group *ds_file_group = | |
334 | g_ptr_array_index(ctf_fs_trace->ds_file_groups, i); | |
335 | ||
336 | ret = create_one_port_for_trace(ctf_fs_trace, ds_file_group); | |
337 | if (ret) { | |
338 | PERR("Cannot create output port.\n"); | |
339 | goto end; | |
340 | } | |
341 | } | |
342 | ||
343 | end: | |
344 | return ret; | |
345 | } | |
346 | ||
347 | uint64_t get_packet_header_stream_instance_id(struct ctf_fs_trace *ctf_fs_trace, | |
348 | struct bt_ctf_field *packet_header_field) | |
349 | { | |
350 | struct bt_ctf_field *stream_instance_id_field = NULL; | |
351 | uint64_t stream_instance_id = -1ULL; | |
352 | int ret; | |
353 | ||
354 | if (!packet_header_field) { | |
355 | goto end; | |
356 | } | |
357 | ||
358 | stream_instance_id_field = bt_ctf_field_structure_get_field_by_name( | |
359 | packet_header_field, "stream_instance_id"); | |
360 | if (!stream_instance_id_field) { | |
361 | goto end; | |
362 | } | |
363 | ||
364 | ret = bt_ctf_field_unsigned_integer_get_value(stream_instance_id_field, | |
365 | &stream_instance_id); | |
366 | if (ret) { | |
367 | stream_instance_id = -1ULL; | |
368 | goto end; | |
369 | } | |
370 | ||
371 | end: | |
372 | bt_put(stream_instance_id_field); | |
373 | return stream_instance_id; | |
374 | } | |
375 | ||
376 | struct bt_ctf_stream_class *stream_class_from_packet_header( | |
377 | struct ctf_fs_trace *ctf_fs_trace, | |
378 | struct bt_ctf_field *packet_header_field) | |
379 | { | |
380 | struct bt_ctf_field *stream_id_field = NULL; | |
381 | struct bt_ctf_stream_class *stream_class = NULL; | |
382 | uint64_t stream_id = -1ULL; | |
383 | int ret; | |
384 | ||
385 | if (!packet_header_field) { | |
386 | goto single_stream_class; | |
387 | } | |
388 | ||
389 | stream_id_field = bt_ctf_field_structure_get_field_by_name( | |
390 | packet_header_field, "stream_id"); | |
391 | if (!stream_id_field) { | |
392 | goto end; | |
393 | } | |
394 | ||
395 | ret = bt_ctf_field_unsigned_integer_get_value(stream_id_field, | |
396 | &stream_id); | |
397 | if (ret) { | |
398 | stream_id = -1ULL; | |
399 | } | |
400 | ||
401 | if (stream_id == -1ULL) { | |
402 | single_stream_class: | |
403 | /* Single stream class */ | |
404 | if (bt_ctf_trace_get_stream_class_count( | |
405 | ctf_fs_trace->metadata->trace) == 0) { | |
406 | goto end; | |
407 | } | |
408 | ||
409 | stream_class = bt_ctf_trace_get_stream_class_by_index( | |
410 | ctf_fs_trace->metadata->trace, 0); | |
411 | } else { | |
412 | stream_class = bt_ctf_trace_get_stream_class_by_id( | |
413 | ctf_fs_trace->metadata->trace, stream_id); | |
414 | } | |
415 | ||
416 | end: | |
417 | bt_put(stream_id_field); | |
418 | return stream_class; | |
419 | } | |
420 | ||
421 | uint64_t get_packet_context_timestamp_begin_ns( | |
422 | struct ctf_fs_trace *ctf_fs_trace, | |
423 | struct bt_ctf_field *packet_context_field) | |
424 | { | |
425 | int ret; | |
426 | struct bt_ctf_field *timestamp_begin_field = NULL; | |
427 | struct bt_ctf_field_type *timestamp_begin_ft = NULL; | |
428 | uint64_t timestamp_begin_raw_value = -1ULL; | |
429 | uint64_t timestamp_begin_ns = -1ULL; | |
430 | int64_t timestamp_begin_ns_signed; | |
431 | struct bt_ctf_clock_class *timestamp_begin_clock_class = NULL; | |
432 | struct bt_ctf_clock_value *clock_value = NULL; | |
433 | ||
434 | if (!packet_context_field) { | |
435 | goto end; | |
436 | } | |
437 | ||
438 | timestamp_begin_field = bt_ctf_field_structure_get_field_by_name( | |
439 | packet_context_field, "timestamp_begin"); | |
440 | if (!timestamp_begin_field) { | |
441 | goto end; | |
442 | } | |
443 | ||
444 | timestamp_begin_ft = bt_ctf_field_get_type(timestamp_begin_field); | |
445 | assert(timestamp_begin_ft); | |
446 | timestamp_begin_clock_class = | |
447 | bt_ctf_field_type_integer_get_mapped_clock_class(timestamp_begin_ft); | |
448 | if (!timestamp_begin_clock_class) { | |
449 | goto end; | |
450 | } | |
451 | ||
452 | ret = bt_ctf_field_unsigned_integer_get_value(timestamp_begin_field, | |
453 | ×tamp_begin_raw_value); | |
454 | if (ret) { | |
455 | goto end; | |
456 | } | |
457 | ||
458 | clock_value = bt_ctf_clock_value_create(timestamp_begin_clock_class, | |
459 | timestamp_begin_raw_value); | |
460 | if (!clock_value) { | |
461 | goto end; | |
462 | } | |
463 | ||
464 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, | |
465 | ×tamp_begin_ns_signed); | |
466 | if (ret) { | |
467 | goto end; | |
468 | } | |
469 | ||
470 | timestamp_begin_ns = (uint64_t) timestamp_begin_ns_signed; | |
471 | ||
472 | end: | |
473 | bt_put(timestamp_begin_field); | |
474 | bt_put(timestamp_begin_ft); | |
475 | bt_put(timestamp_begin_clock_class); | |
476 | bt_put(clock_value); | |
477 | return timestamp_begin_ns; | |
478 | } | |
479 | ||
480 | static | |
481 | void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info) | |
482 | { | |
483 | if (!ds_file_info) { | |
484 | return; | |
485 | } | |
486 | ||
487 | if (ds_file_info->path) { | |
488 | g_string_free(ds_file_info->path, TRUE); | |
489 | } | |
490 | ||
491 | g_free(ds_file_info); | |
492 | } | |
493 | ||
494 | static | |
495 | struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path, | |
496 | uint64_t begin_ns) | |
497 | { | |
498 | struct ctf_fs_ds_file_info *ds_file_info; | |
499 | ||
500 | ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1); | |
501 | if (!ds_file_info) { | |
502 | goto end; | |
503 | } | |
504 | ||
505 | ds_file_info->path = g_string_new(path); | |
506 | if (!ds_file_info->path) { | |
507 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
508 | ds_file_info = NULL; | |
509 | goto end; | |
510 | } | |
511 | ||
512 | ds_file_info->begin_ns = begin_ns; | |
513 | ||
514 | end: | |
515 | return ds_file_info; | |
516 | } | |
517 | ||
518 | static | |
519 | void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group) | |
520 | { | |
521 | if (!ds_file_group) { | |
522 | return; | |
523 | } | |
524 | ||
525 | if (ds_file_group->ds_file_infos) { | |
526 | g_ptr_array_free(ds_file_group->ds_file_infos, TRUE); | |
527 | } | |
528 | ||
529 | bt_put(ds_file_group->stream); | |
530 | g_free(ds_file_group); | |
531 | } | |
532 | ||
533 | static | |
534 | struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create( | |
535 | struct ctf_fs_trace *ctf_fs_trace, | |
536 | struct bt_ctf_stream_class *stream_class, | |
537 | uint64_t stream_instance_id) | |
538 | { | |
539 | struct ctf_fs_ds_file_group *ds_file_group; | |
540 | ||
541 | assert(stream_class); | |
542 | ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1); | |
543 | if (!ds_file_group) { | |
544 | goto error; | |
545 | } | |
546 | ||
547 | ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func( | |
548 | (GDestroyNotify) ctf_fs_ds_file_info_destroy); | |
549 | if (!ds_file_group->ds_file_infos) { | |
550 | goto error; | |
551 | } | |
552 | ||
553 | if (stream_instance_id == -1ULL) { | |
554 | ds_file_group->stream = bt_ctf_stream_create( | |
555 | stream_class, NULL); | |
556 | } else { | |
557 | ds_file_group->stream = bt_ctf_stream_create_with_id( | |
558 | stream_class, NULL, stream_instance_id); | |
559 | } | |
560 | ||
561 | if (!ds_file_group->stream) { | |
562 | goto error; | |
563 | } | |
564 | ||
565 | ds_file_group->ctf_fs_trace = ctf_fs_trace; | |
566 | ||
567 | goto end; | |
568 | ||
569 | error: | |
570 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
571 | ds_file_group = NULL; | |
572 | ||
573 | end: | |
574 | return ds_file_group; | |
575 | } | |
576 | ||
577 | static | |
578 | int ctf_fs_ds_file_group_add_ds_file_info( | |
579 | struct ctf_fs_ds_file_group *ds_file_group, | |
580 | const char *path, uint64_t begin_ns) | |
581 | { | |
582 | struct ctf_fs_ds_file_info *ds_file_info; | |
583 | gint i = 0; | |
584 | int ret = 0; | |
585 | ||
586 | ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns); | |
587 | if (!ds_file_info) { | |
588 | goto error; | |
589 | } | |
590 | ||
591 | /* Find a spot to insert this one */ | |
592 | for (i = 0; i < ds_file_group->ds_file_infos->len; i++) { | |
593 | struct ctf_fs_ds_file_info *other_ds_file_info = | |
594 | g_ptr_array_index(ds_file_group->ds_file_infos, i); | |
595 | ||
596 | if (begin_ns < other_ds_file_info->begin_ns) { | |
597 | break; | |
598 | } | |
599 | } | |
600 | ||
601 | if (i == ds_file_group->ds_file_infos->len) { | |
602 | /* Append instead */ | |
603 | i = -1; | |
604 | } | |
605 | ||
606 | g_ptr_array_insert(ds_file_group->ds_file_infos, i, ds_file_info); | |
607 | ds_file_info = NULL; | |
608 | goto end; | |
609 | ||
610 | error: | |
611 | ctf_fs_ds_file_info_destroy(ds_file_info); | |
612 | ret = -1; | |
613 | ||
614 | end: | |
615 | return ret; | |
616 | } | |
617 | ||
618 | static | |
619 | int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace, | |
620 | const char *path) | |
621 | { | |
622 | struct bt_ctf_field *packet_header_field = NULL; | |
623 | struct bt_ctf_field *packet_context_field = NULL; | |
624 | struct bt_ctf_stream_class *stream_class = NULL; | |
625 | struct ctf_fs_component *ctf_fs = ctf_fs_trace->ctf_fs; | |
626 | uint64_t stream_instance_id = -1ULL; | |
627 | uint64_t begin_ns = -1ULL; | |
628 | struct ctf_fs_ds_file_group *ds_file_group = NULL; | |
629 | bool add_group = false; | |
630 | int ret; | |
631 | size_t i; | |
632 | ||
633 | ret = ctf_fs_ds_file_get_packet_header_context_fields( | |
634 | ctf_fs_trace, path, &packet_header_field, | |
635 | &packet_context_field); | |
636 | if (ret) { | |
637 | PERR("Cannot get stream file's first packet's header and context fields (`%s`).\n", | |
638 | path); | |
639 | goto error; | |
640 | } | |
641 | ||
642 | stream_instance_id = get_packet_header_stream_instance_id(ctf_fs_trace, | |
643 | packet_header_field); | |
644 | begin_ns = get_packet_context_timestamp_begin_ns(ctf_fs_trace, | |
645 | packet_context_field); | |
646 | stream_class = stream_class_from_packet_header(ctf_fs_trace, | |
647 | packet_header_field); | |
648 | if (!stream_class) { | |
649 | goto error; | |
650 | } | |
651 | ||
652 | if (begin_ns == -1ULL) { | |
653 | /* | |
654 | * No beggining timestamp to sort the stream files | |
655 | * within a stream file group, so consider that this | |
656 | * file must be the only one within its group. | |
657 | */ | |
658 | stream_instance_id = -1ULL; | |
659 | } | |
660 | ||
661 | if (stream_instance_id == -1ULL) { | |
662 | /* | |
663 | * No stream instance ID or no beginning timestamp: | |
664 | * create a unique stream file group for this stream | |
665 | * file because, even if there's a stream instance ID, | |
666 | * there's no timestamp to order the file within its | |
667 | * group. | |
668 | */ | |
669 | ||
670 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
671 | stream_class, stream_instance_id); | |
672 | if (!ds_file_group) { | |
673 | goto error; | |
674 | } | |
675 | ||
676 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
677 | path, begin_ns); | |
678 | if (ret) { | |
679 | goto error; | |
680 | } | |
681 | ||
682 | add_group = true; | |
683 | goto end; | |
684 | } | |
685 | ||
686 | assert(stream_instance_id != -1ULL); | |
687 | assert(begin_ns != -1ULL); | |
688 | ||
689 | /* Find an existing stream file group with this ID */ | |
690 | for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) { | |
691 | int64_t id; | |
692 | struct bt_ctf_stream_class *cand_stream_class; | |
693 | ||
694 | ds_file_group = g_ptr_array_index( | |
695 | ctf_fs_trace->ds_file_groups, i); | |
696 | id = bt_ctf_stream_get_id(ds_file_group->stream); | |
697 | cand_stream_class = bt_ctf_stream_get_class( | |
698 | ds_file_group->stream); | |
699 | ||
700 | assert(cand_stream_class); | |
701 | bt_put(cand_stream_class); | |
702 | ||
703 | if (cand_stream_class == stream_class && | |
704 | (uint64_t) id == stream_instance_id) { | |
705 | break; | |
706 | } | |
707 | ||
708 | ds_file_group = NULL; | |
709 | } | |
710 | ||
711 | if (!ds_file_group) { | |
712 | ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace, | |
713 | stream_class, stream_instance_id); | |
714 | if (!ds_file_group) { | |
715 | goto error; | |
716 | } | |
717 | ||
718 | add_group = true; | |
719 | } | |
720 | ||
721 | ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, | |
722 | path, begin_ns); | |
723 | if (ret) { | |
724 | goto error; | |
725 | } | |
726 | ||
727 | goto end; | |
728 | ||
729 | error: | |
730 | ctf_fs_ds_file_group_destroy(ds_file_group); | |
731 | ret = -1; | |
732 | ||
733 | end: | |
734 | if (add_group && ds_file_group) { | |
735 | g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group); | |
736 | } | |
737 | ||
738 | bt_put(packet_header_field); | |
739 | bt_put(packet_context_field); | |
740 | bt_put(stream_class); | |
741 | return ret; | |
742 | } | |
743 | ||
744 | static | |
745 | int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace) | |
e7a4393b JG |
746 | { |
747 | int ret = 0; | |
4f1f88a6 | 748 | const char *basename; |
e7a4393b | 749 | GError *error = NULL; |
4f1f88a6 | 750 | GDir *dir = NULL; |
1a9f7075 | 751 | struct ctf_fs_component *ctf_fs = ctf_fs_trace->ctf_fs; |
e7a4393b | 752 | |
94cf822e | 753 | /* Check each file in the path directory, except specific ones */ |
1a9f7075 | 754 | dir = g_dir_open(ctf_fs_trace->path->str, 0, &error); |
e7a4393b | 755 | if (!dir) { |
4f1f88a6 | 756 | PERR("Cannot open directory `%s`: %s (code %d)\n", |
1a9f7075 | 757 | ctf_fs_trace->path->str, error->message, |
4f1f88a6 | 758 | error->code); |
e7a4393b JG |
759 | goto error; |
760 | } | |
761 | ||
4f1f88a6 | 762 | while ((basename = g_dir_read_name(dir))) { |
94cf822e PP |
763 | struct ctf_fs_file *file; |
764 | ||
4f1f88a6 | 765 | if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) { |
e7a4393b | 766 | /* Ignore the metadata stream. */ |
1a9f7075 PP |
767 | PDBG("Ignoring metadata file `%s/%s`\n", |
768 | ctf_fs_trace->path->str, basename); | |
e7a4393b JG |
769 | continue; |
770 | } | |
771 | ||
4f1f88a6 | 772 | if (basename[0] == '.') { |
1a9f7075 PP |
773 | PDBG("Ignoring hidden file `%s/%s`\n", |
774 | ctf_fs_trace->path->str, basename); | |
e7a4393b JG |
775 | continue; |
776 | } | |
777 | ||
778 | /* Create the file. */ | |
779 | file = ctf_fs_file_create(ctf_fs); | |
780 | if (!file) { | |
1a9f7075 PP |
781 | PERR("Cannot create stream file object for file `%s/%s`\n", |
782 | ctf_fs_trace->path->str, basename); | |
e7a4393b JG |
783 | goto error; |
784 | } | |
785 | ||
786 | /* Create full path string. */ | |
787 | g_string_append_printf(file->path, "%s/%s", | |
1a9f7075 | 788 | ctf_fs_trace->path->str, basename); |
e7a4393b | 789 | if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) { |
1a9f7075 PP |
790 | PDBG("Ignoring non-regular file `%s`\n", |
791 | file->path->str); | |
e7a4393b | 792 | ctf_fs_file_destroy(file); |
4f1f88a6 | 793 | file = NULL; |
e7a4393b JG |
794 | continue; |
795 | } | |
796 | ||
4f1f88a6 PP |
797 | ret = ctf_fs_file_open(ctf_fs, file, "rb"); |
798 | if (ret) { | |
1a9f7075 | 799 | PERR("Cannot open stream file `%s`\n", file->path->str); |
e7a4393b JG |
800 | goto error; |
801 | } | |
802 | ||
9fa0891a JG |
803 | if (file->size == 0) { |
804 | /* Skip empty stream. */ | |
1a9f7075 | 805 | PDBG("Ignoring empty file `%s`\n", file->path->str); |
9fa0891a JG |
806 | ctf_fs_file_destroy(file); |
807 | continue; | |
808 | } | |
809 | ||
94cf822e PP |
810 | ret = add_ds_file_to_ds_file_group(ctf_fs_trace, |
811 | file->path->str); | |
4f1f88a6 | 812 | if (ret) { |
94cf822e | 813 | PDBG("Cannot add stream file `%s` to stream file group\n", |
1a9f7075 | 814 | file->path->str); |
94cf822e | 815 | ctf_fs_file_destroy(file); |
e7a4393b JG |
816 | goto error; |
817 | } | |
818 | ||
4f1f88a6 | 819 | ctf_fs_file_destroy(file); |
e7a4393b JG |
820 | } |
821 | ||
822 | goto end; | |
4f1f88a6 | 823 | |
e7a4393b JG |
824 | error: |
825 | ret = -1; | |
4f1f88a6 | 826 | |
e7a4393b JG |
827 | end: |
828 | if (dir) { | |
829 | g_dir_close(dir); | |
830 | dir = NULL; | |
831 | } | |
4f1f88a6 | 832 | |
e7a4393b JG |
833 | if (error) { |
834 | g_error_free(error); | |
835 | } | |
5b29e799 | 836 | |
91457551 | 837 | return ret; |
5b29e799 JG |
838 | } |
839 | ||
599faa1c | 840 | static |
1a9f7075 | 841 | int create_cc_prio_map(struct ctf_fs_trace *ctf_fs_trace) |
599faa1c PP |
842 | { |
843 | int ret = 0; | |
844 | size_t i; | |
845 | int count; | |
846 | ||
1a9f7075 PP |
847 | assert(ctf_fs_trace); |
848 | ctf_fs_trace->cc_prio_map = bt_clock_class_priority_map_create(); | |
849 | if (!ctf_fs_trace->cc_prio_map) { | |
599faa1c PP |
850 | ret = -1; |
851 | goto end; | |
852 | } | |
853 | ||
1a9f7075 PP |
854 | count = bt_ctf_trace_get_clock_class_count( |
855 | ctf_fs_trace->metadata->trace); | |
599faa1c PP |
856 | assert(count >= 0); |
857 | ||
858 | for (i = 0; i < count; i++) { | |
859 | struct bt_ctf_clock_class *clock_class = | |
9ac68eb1 | 860 | bt_ctf_trace_get_clock_class_by_index( |
1a9f7075 | 861 | ctf_fs_trace->metadata->trace, i); |
599faa1c PP |
862 | |
863 | assert(clock_class); | |
864 | ret = bt_clock_class_priority_map_add_clock_class( | |
1a9f7075 | 865 | ctf_fs_trace->cc_prio_map, clock_class, 0); |
599faa1c PP |
866 | BT_PUT(clock_class); |
867 | ||
868 | if (ret) { | |
869 | goto end; | |
870 | } | |
871 | } | |
872 | ||
873 | end: | |
874 | return ret; | |
875 | } | |
876 | ||
1a9f7075 PP |
877 | static |
878 | struct ctf_fs_trace *ctf_fs_trace_create(struct ctf_fs_component *ctf_fs, | |
879 | const char *path, const char *name) | |
880 | { | |
881 | struct ctf_fs_trace *ctf_fs_trace; | |
882 | int ret; | |
883 | ||
884 | ctf_fs_trace = g_new0(struct ctf_fs_trace, 1); | |
885 | if (!ctf_fs_trace) { | |
886 | goto end; | |
887 | } | |
888 | ||
889 | ctf_fs_trace->ctf_fs = ctf_fs; | |
890 | ctf_fs_trace->path = g_string_new(path); | |
891 | if (!ctf_fs_trace->path) { | |
892 | goto error; | |
893 | } | |
894 | ||
895 | ctf_fs_trace->name = g_string_new(name); | |
896 | if (!ctf_fs_trace->name) { | |
897 | goto error; | |
898 | } | |
899 | ||
900 | ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1); | |
901 | if (!ctf_fs_trace->metadata) { | |
902 | goto error; | |
903 | } | |
904 | ||
94cf822e PP |
905 | ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func( |
906 | (GDestroyNotify) ctf_fs_ds_file_group_destroy); | |
907 | if (!ctf_fs_trace->ds_file_groups) { | |
908 | goto error; | |
909 | } | |
910 | ||
1a9f7075 PP |
911 | ret = ctf_fs_metadata_set_trace(ctf_fs_trace); |
912 | if (ret) { | |
913 | goto error; | |
914 | } | |
915 | ||
94cf822e PP |
916 | ret = create_ds_file_groups(ctf_fs_trace); |
917 | if (ret) { | |
918 | goto error; | |
919 | } | |
920 | ||
1a9f7075 PP |
921 | ret = create_cc_prio_map(ctf_fs_trace); |
922 | if (ret) { | |
923 | goto error; | |
924 | } | |
925 | ||
926 | ret = create_ports_for_trace(ctf_fs_trace); | |
927 | if (ret) { | |
928 | goto error; | |
929 | } | |
930 | ||
27d1a78b PP |
931 | /* |
932 | * create_ds_file_groups() created all the streams that this | |
933 | * trace needs. There won't be any more. Therefore it is safe to | |
934 | * make this trace static. | |
935 | */ | |
936 | (void) bt_ctf_trace_set_is_static(ctf_fs_trace->metadata->trace); | |
937 | ||
1a9f7075 PP |
938 | goto end; |
939 | ||
940 | error: | |
941 | ctf_fs_trace_destroy(ctf_fs_trace); | |
942 | ctf_fs_trace = NULL; | |
943 | end: | |
944 | return ctf_fs_trace; | |
945 | } | |
946 | ||
947 | static | |
948 | int path_is_ctf_trace(const char *path) | |
949 | { | |
950 | GString *metadata_path = g_string_new(NULL); | |
951 | int ret = 0; | |
952 | ||
953 | if (!metadata_path) { | |
954 | ret = -1; | |
955 | goto end; | |
956 | } | |
957 | ||
958 | g_string_printf(metadata_path, "%s/%s", path, CTF_FS_METADATA_FILENAME); | |
959 | ||
960 | if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) { | |
961 | ret = 1; | |
962 | goto end; | |
963 | } | |
964 | ||
965 | end: | |
966 | g_string_free(metadata_path, TRUE); | |
967 | return ret; | |
968 | } | |
969 | ||
970 | static | |
971 | int add_trace_path(struct ctf_fs_component *ctf_fs, GList **trace_paths, | |
972 | const char *path) | |
973 | { | |
4bd72b60 | 974 | GString *norm_path = NULL; |
1a9f7075 | 975 | int ret = 0; |
1a9f7075 | 976 | |
4bd72b60 PP |
977 | norm_path = bt_common_normalize_path(path, NULL); |
978 | if (!norm_path) { | |
979 | PERR("Failed to normalize path `%s`.\n", path); | |
1a9f7075 PP |
980 | ret = -1; |
981 | goto end; | |
982 | } | |
983 | ||
4bd72b60 | 984 | if (strcmp(norm_path->str, "/") == 0) { |
1a9f7075 PP |
985 | PERR("Opening a trace in `/` is not supported.\n"); |
986 | ret = -1; | |
987 | goto end; | |
988 | } | |
989 | ||
4bd72b60 | 990 | *trace_paths = g_list_prepend(*trace_paths, norm_path); |
1a9f7075 | 991 | assert(*trace_paths); |
4bd72b60 | 992 | norm_path = NULL; |
1a9f7075 PP |
993 | |
994 | end: | |
4bd72b60 PP |
995 | if (norm_path) { |
996 | g_string_free(norm_path, TRUE); | |
997 | } | |
998 | ||
1a9f7075 PP |
999 | return ret; |
1000 | } | |
1001 | ||
1002 | static | |
1003 | int find_ctf_traces(struct ctf_fs_component *ctf_fs, | |
1004 | GList **trace_paths, const char *start_path) | |
1005 | { | |
1006 | int ret; | |
1007 | GError *error = NULL; | |
1008 | GDir *dir = NULL; | |
1009 | const char *basename = NULL; | |
1010 | ||
1011 | /* Check if the starting path is a CTF trace itself */ | |
1012 | ret = path_is_ctf_trace(start_path); | |
1013 | if (ret < 0) { | |
1014 | goto end; | |
1015 | } | |
1016 | ||
1017 | if (ret) { | |
1018 | /* | |
4bd72b60 PP |
1019 | * Stop recursion: a CTF trace cannot contain another |
1020 | * CTF trace. | |
1a9f7075 PP |
1021 | */ |
1022 | ret = add_trace_path(ctf_fs, trace_paths, start_path); | |
1023 | goto end; | |
1024 | } | |
1025 | ||
1026 | /* Look for subdirectories */ | |
1027 | if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) { | |
1028 | /* Starting path is not a directory: end of recursion */ | |
1029 | goto end; | |
1030 | } | |
1031 | ||
1032 | dir = g_dir_open(start_path, 0, &error); | |
1033 | if (!dir) { | |
1034 | if (error->code == G_FILE_ERROR_ACCES) { | |
1035 | PDBG("Cannot open directory `%s`: %s (code %d): continuing\n", | |
1036 | start_path, error->message, error->code); | |
1037 | goto end; | |
1038 | } | |
1039 | ||
1040 | PERR("Cannot open directory `%s`: %s (code %d)\n", | |
1041 | start_path, error->message, error->code); | |
1042 | ret = -1; | |
1043 | goto end; | |
1044 | } | |
1045 | ||
1046 | while ((basename = g_dir_read_name(dir))) { | |
1047 | GString *sub_path = g_string_new(NULL); | |
1048 | ||
1049 | if (!sub_path) { | |
1050 | ret = -1; | |
1051 | goto end; | |
1052 | } | |
1053 | ||
1054 | g_string_printf(sub_path, "%s/%s", start_path, basename); | |
1055 | ret = find_ctf_traces(ctf_fs, trace_paths, sub_path->str); | |
1056 | g_string_free(sub_path, TRUE); | |
1057 | if (ret) { | |
1058 | goto end; | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | end: | |
1063 | if (dir) { | |
1064 | g_dir_close(dir); | |
1065 | } | |
1066 | ||
1067 | if (error) { | |
1068 | g_error_free(error); | |
1069 | } | |
1070 | ||
1071 | return ret; | |
1072 | } | |
1073 | ||
1074 | static | |
4bd72b60 | 1075 | GList *create_trace_names(GList *trace_paths, const char *base_path) { |
1a9f7075 | 1076 | GList *trace_names = NULL; |
1a9f7075 | 1077 | GList *node; |
4bd72b60 PP |
1078 | const char *last_sep; |
1079 | size_t base_dist; | |
1a9f7075 PP |
1080 | |
1081 | /* | |
4bd72b60 PP |
1082 | * At this point we know that all the trace paths are |
1083 | * normalized, and so is the base path. This means that | |
1084 | * they are absolute and they don't end with a separator. | |
1085 | * We can simply find the location of the last separator | |
1086 | * in the base path, which gives us the name of the actual | |
1087 | * directory to look into, and use this location as the | |
1088 | * start of each trace name within each trace path. | |
1089 | * | |
1090 | * For example: | |
1091 | * | |
1092 | * Base path: /home/user/my-traces/some-trace | |
1093 | * Trace paths: | |
1094 | * - /home/user/my-traces/some-trace/host1/trace1 | |
1095 | * - /home/user/my-traces/some-trace/host1/trace2 | |
1096 | * - /home/user/my-traces/some-trace/host2/trace | |
1097 | * - /home/user/my-traces/some-trace/other-trace | |
1098 | * | |
1099 | * In this case the trace names are: | |
1100 | * | |
1101 | * - some-trace/host1/trace1 | |
1102 | * - some-trace/host1/trace2 | |
1103 | * - some-trace/host2/trace | |
1104 | * - some-trace/other-trace | |
1a9f7075 | 1105 | */ |
4bd72b60 | 1106 | last_sep = strrchr(base_path, G_DIR_SEPARATOR); |
1a9f7075 | 1107 | |
4bd72b60 PP |
1108 | /* We know there's at least one separator */ |
1109 | assert(last_sep); | |
1a9f7075 | 1110 | |
4bd72b60 PP |
1111 | /* Distance to base */ |
1112 | base_dist = last_sep - base_path + 1; | |
1a9f7075 PP |
1113 | |
1114 | /* Create the trace names */ | |
1115 | for (node = trace_paths; node; node = g_list_next(node)) { | |
1116 | GString *trace_name = g_string_new(NULL); | |
1117 | GString *trace_path = node->data; | |
1118 | ||
4bd72b60 PP |
1119 | assert(trace_name); |
1120 | g_string_assign(trace_name, &trace_path->str[base_dist]); | |
1a9f7075 PP |
1121 | trace_names = g_list_append(trace_names, trace_name); |
1122 | } | |
1123 | ||
1124 | return trace_names; | |
1125 | } | |
1126 | ||
1127 | static | |
1128 | int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs, | |
1129 | const char *path_param) | |
1130 | { | |
1131 | struct ctf_fs_trace *ctf_fs_trace = NULL; | |
1132 | int ret = 0; | |
4bd72b60 | 1133 | GString *norm_path = NULL; |
1a9f7075 PP |
1134 | GList *trace_paths = NULL; |
1135 | GList *trace_names = NULL; | |
1136 | GList *tp_node; | |
1137 | GList *tn_node; | |
1138 | ||
4bd72b60 PP |
1139 | norm_path = bt_common_normalize_path(path_param, NULL); |
1140 | if (!norm_path) { | |
1141 | PERR("Failed to normalize path: `%s`.\n", | |
1142 | path_param); | |
1143 | goto error; | |
1144 | } | |
1145 | ||
1146 | ret = find_ctf_traces(ctf_fs, &trace_paths, norm_path->str); | |
1a9f7075 PP |
1147 | if (ret) { |
1148 | goto error; | |
1149 | } | |
1150 | ||
1151 | if (!trace_paths) { | |
1152 | PERR("No CTF traces recursively found in `%s`.\n", | |
1153 | path_param); | |
1154 | goto error; | |
1155 | } | |
1156 | ||
4bd72b60 | 1157 | trace_names = create_trace_names(trace_paths, norm_path->str); |
1a9f7075 PP |
1158 | if (!trace_names) { |
1159 | PERR("Cannot create trace names from trace paths.\n"); | |
1160 | goto error; | |
1161 | } | |
1162 | ||
1163 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
1164 | tp_node = g_list_next(tp_node), | |
1165 | tn_node = g_list_next(tn_node)) { | |
1166 | GString *trace_path = tp_node->data; | |
1167 | GString *trace_name = tn_node->data; | |
1168 | ||
1169 | ctf_fs_trace = ctf_fs_trace_create(ctf_fs, trace_path->str, | |
1170 | trace_name->str); | |
1171 | if (!ctf_fs_trace) { | |
1172 | PERR("Cannot create trace for `%s`.\n", | |
1173 | trace_path->str); | |
1174 | goto error; | |
1175 | } | |
52c5fe74 PP |
1176 | |
1177 | g_ptr_array_add(ctf_fs->traces, ctf_fs_trace); | |
1178 | ctf_fs_trace = NULL; | |
1a9f7075 PP |
1179 | } |
1180 | ||
1a9f7075 PP |
1181 | goto end; |
1182 | ||
1183 | error: | |
1184 | ret = -1; | |
1185 | ctf_fs_trace_destroy(ctf_fs_trace); | |
1186 | ||
1187 | end: | |
1188 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
1189 | if (tp_node->data) { | |
1190 | g_string_free(tp_node->data, TRUE); | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
1195 | if (tn_node->data) { | |
1196 | g_string_free(tn_node->data, TRUE); | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | if (trace_paths) { | |
1201 | g_list_free(trace_paths); | |
1202 | } | |
1203 | ||
1204 | if (trace_names) { | |
1205 | g_list_free(trace_names); | |
1206 | } | |
1207 | ||
4bd72b60 PP |
1208 | if (norm_path) { |
1209 | g_string_free(norm_path, TRUE); | |
1210 | } | |
1211 | ||
1a9f7075 PP |
1212 | return ret; |
1213 | } | |
1214 | ||
5b29e799 | 1215 | static |
4f1f88a6 PP |
1216 | struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp, |
1217 | struct bt_value *params) | |
56a1cced JG |
1218 | { |
1219 | struct ctf_fs_component *ctf_fs; | |
1ef09eb5 | 1220 | struct bt_value *value = NULL; |
1a9f7075 | 1221 | const char *path_param; |
4f1f88a6 | 1222 | int ret; |
56a1cced JG |
1223 | |
1224 | ctf_fs = g_new0(struct ctf_fs_component, 1); | |
1225 | if (!ctf_fs) { | |
1226 | goto end; | |
1227 | } | |
1228 | ||
1a9f7075 PP |
1229 | ret = bt_private_component_set_user_data(priv_comp, ctf_fs); |
1230 | assert(ret == 0); | |
1231 | ||
4f1f88a6 PP |
1232 | /* |
1233 | * We don't need to get a new reference here because as long as | |
1234 | * our private ctf_fs_component object exists, the containing | |
1235 | * private component should also exist. | |
1236 | */ | |
1237 | ctf_fs->priv_comp = priv_comp; | |
56a1cced | 1238 | value = bt_value_map_get(params, "path"); |
1a9f7075 | 1239 | if (!bt_value_is_string(value)) { |
56a1cced JG |
1240 | goto error; |
1241 | } | |
1242 | ||
1a9f7075 PP |
1243 | ret = bt_value_string_get(value, &path_param); |
1244 | assert(ret == 0); | |
1245 | BT_PUT(value); | |
92540773 JD |
1246 | value = bt_value_map_get(params, "offset-s"); |
1247 | if (value) { | |
1248 | int64_t offset; | |
1249 | ||
1250 | if (!bt_value_is_integer(value)) { | |
1251 | fprintf(stderr, | |
1252 | "offset-s should be an integer\n"); | |
1253 | goto error; | |
1254 | } | |
1255 | ret = bt_value_integer_get(value, &offset); | |
1a9f7075 | 1256 | assert(ret == 0); |
92540773 | 1257 | ctf_fs->options.clock_offset = offset; |
1a9f7075 | 1258 | BT_PUT(value); |
92540773 JD |
1259 | } |
1260 | ||
1261 | value = bt_value_map_get(params, "offset-ns"); | |
1262 | if (value) { | |
1263 | int64_t offset; | |
1264 | ||
1265 | if (!bt_value_is_integer(value)) { | |
1266 | fprintf(stderr, | |
1267 | "offset-ns should be an integer\n"); | |
1268 | goto error; | |
1269 | } | |
1270 | ret = bt_value_integer_get(value, &offset); | |
1a9f7075 | 1271 | assert(ret == 0); |
92540773 | 1272 | ctf_fs->options.clock_offset_ns = offset; |
1a9f7075 | 1273 | BT_PUT(value); |
92540773 JD |
1274 | } |
1275 | ||
56a1cced | 1276 | ctf_fs->error_fp = stderr; |
108e5a1e | 1277 | ctf_fs->page_size = bt_common_get_page_size(); |
1a9f7075 PP |
1278 | ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy); |
1279 | if (!ctf_fs->port_data) { | |
4f1f88a6 PP |
1280 | goto error; |
1281 | } | |
1282 | ||
1a9f7075 PP |
1283 | ctf_fs->traces = g_ptr_array_new_with_free_func(ctf_fs_trace_destroy); |
1284 | if (!ctf_fs->traces) { | |
599faa1c PP |
1285 | goto error; |
1286 | } | |
1287 | ||
1a9f7075 | 1288 | ret = create_ctf_fs_traces(ctf_fs, path_param); |
4f1f88a6 PP |
1289 | if (ret) { |
1290 | goto error; | |
1291 | } | |
1292 | ||
1ef09eb5 JG |
1293 | goto end; |
1294 | ||
56a1cced | 1295 | error: |
1a9f7075 | 1296 | ctf_fs_destroy(ctf_fs); |
e7a4393b | 1297 | ctf_fs = NULL; |
1a9f7075 PP |
1298 | ret = bt_private_component_set_user_data(priv_comp, NULL); |
1299 | assert(ret == 0); | |
1300 | ||
1ef09eb5 | 1301 | end: |
1a9f7075 | 1302 | bt_put(value); |
56a1cced JG |
1303 | return ctf_fs; |
1304 | } | |
1305 | ||
ea0b4b9e | 1306 | BT_HIDDEN |
4f1f88a6 | 1307 | enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp, |
7d61fa8e | 1308 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
ea0b4b9e JG |
1309 | { |
1310 | struct ctf_fs_component *ctf_fs; | |
1311 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
1312 | ||
ea0b4b9e | 1313 | ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0; |
4f1f88a6 | 1314 | ctf_fs = ctf_fs_create(priv_comp, params); |
ea0b4b9e | 1315 | if (!ctf_fs) { |
1a9f7075 | 1316 | ret = BT_COMPONENT_STATUS_ERROR; |
ea0b4b9e | 1317 | } |
4c1456f0 | 1318 | |
ea0b4b9e JG |
1319 | return ret; |
1320 | } | |
33f93973 PP |
1321 | |
1322 | BT_HIDDEN | |
a67681c1 PP |
1323 | struct bt_value *ctf_fs_query(struct bt_component_class *comp_class, |
1324 | const char *object, struct bt_value *params) | |
33f93973 PP |
1325 | { |
1326 | struct bt_value *results = NULL; | |
1327 | struct bt_value *path_value = NULL; | |
1328 | char *metadata_text = NULL; | |
1329 | FILE *metadata_fp = NULL; | |
1330 | GString *g_metadata_text = NULL; | |
1331 | ||
a67681c1 | 1332 | if (strcmp(object, "metadata-info") == 0) { |
33f93973 PP |
1333 | int ret; |
1334 | int bo; | |
1335 | const char *path; | |
1336 | bool is_packetized; | |
1337 | ||
1338 | results = bt_value_map_create(); | |
1339 | if (!results) { | |
1340 | goto error; | |
1341 | } | |
1342 | ||
1343 | if (!bt_value_is_map(params)) { | |
1344 | fprintf(stderr, | |
a67681c1 | 1345 | "Query parameters is not a map value object\n"); |
33f93973 PP |
1346 | goto error; |
1347 | } | |
1348 | ||
1349 | path_value = bt_value_map_get(params, "path"); | |
1350 | ret = bt_value_string_get(path_value, &path); | |
1351 | if (ret) { | |
1352 | fprintf(stderr, | |
1353 | "Cannot get `path` string parameter\n"); | |
1354 | goto error; | |
1355 | } | |
1356 | ||
1357 | assert(path); | |
1358 | metadata_fp = ctf_fs_metadata_open_file(path); | |
1359 | if (!metadata_fp) { | |
1360 | fprintf(stderr, | |
1361 | "Cannot open trace at path `%s`\n", path); | |
1362 | goto error; | |
1363 | } | |
1364 | ||
1e649dff PP |
1365 | is_packetized = ctf_metadata_decoder_is_packetized(metadata_fp, |
1366 | &bo); | |
33f93973 PP |
1367 | |
1368 | if (is_packetized) { | |
1e649dff PP |
1369 | ret = ctf_metadata_decoder_packetized_file_stream_to_buf( |
1370 | metadata_fp, &metadata_text, bo); | |
33f93973 PP |
1371 | if (ret) { |
1372 | fprintf(stderr, | |
1373 | "Cannot decode packetized metadata file\n"); | |
1374 | goto error; | |
1375 | } | |
1376 | } else { | |
1377 | long filesize; | |
1378 | ||
1379 | fseek(metadata_fp, 0, SEEK_END); | |
1380 | filesize = ftell(metadata_fp); | |
1381 | rewind(metadata_fp); | |
1382 | metadata_text = malloc(filesize + 1); | |
1383 | if (!metadata_text) { | |
1384 | fprintf(stderr, | |
1385 | "Cannot allocate buffer for metadata text\n"); | |
1386 | goto error; | |
1387 | } | |
1388 | ||
1389 | if (fread(metadata_text, filesize, 1, metadata_fp) != | |
1390 | 1) { | |
1391 | fprintf(stderr, | |
1392 | "Cannot read metadata file\n"); | |
1393 | goto error; | |
1394 | } | |
1395 | ||
1396 | metadata_text[filesize] = '\0'; | |
1397 | } | |
1398 | ||
1399 | g_metadata_text = g_string_new(NULL); | |
1400 | if (!g_metadata_text) { | |
1401 | goto error; | |
1402 | } | |
1403 | ||
1404 | if (strncmp(metadata_text, METADATA_TEXT_SIG, | |
1405 | sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
1406 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
1407 | g_string_append(g_metadata_text, " */\n\n"); | |
1408 | } | |
1409 | ||
1410 | g_string_append(g_metadata_text, metadata_text); | |
1411 | ||
1412 | ret = bt_value_map_insert_string(results, "text", | |
1413 | g_metadata_text->str); | |
1414 | if (ret) { | |
1415 | fprintf(stderr, "Cannot insert metadata text into results\n"); | |
1416 | goto error; | |
1417 | } | |
1418 | ||
1419 | ret = bt_value_map_insert_bool(results, "is-packetized", | |
1420 | is_packetized); | |
1421 | if (ret) { | |
1422 | fprintf(stderr, "Cannot insert is packetized into results\n"); | |
1423 | goto error; | |
1424 | } | |
1425 | } else { | |
a67681c1 | 1426 | fprintf(stderr, "Unknown query object `%s`\n", object); |
33f93973 PP |
1427 | goto error; |
1428 | } | |
1429 | ||
1430 | goto end; | |
1431 | ||
1432 | error: | |
1433 | BT_PUT(results); | |
1434 | ||
1435 | end: | |
1436 | bt_put(path_value); | |
1437 | free(metadata_text); | |
1438 | ||
1439 | if (g_metadata_text) { | |
1440 | g_string_free(g_metadata_text, TRUE); | |
1441 | } | |
1442 | ||
1443 | if (metadata_fp) { | |
1444 | fclose(metadata_fp); | |
1445 | } | |
1446 | return results; | |
1447 | } |