Commit | Line | Data |
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04c0ba87 JG |
1 | /* |
2 | * query.c | |
3 | * | |
4 | * Babeltrace CTF file system Reader Component queries | |
5 | * | |
6 | * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
27 | #include "query.h" | |
28 | #include <stdbool.h> | |
8b45963b | 29 | #include <babeltrace/assert-internal.h> |
04c0ba87 JG |
30 | #include "metadata.h" |
31 | #include "../common/metadata/decoder.h" | |
55314f2a | 32 | #include <babeltrace/common-internal.h> |
97ade20b | 33 | #include <babeltrace/babeltrace-internal.h> |
e0831b38 | 34 | #include <babeltrace/babeltrace.h> |
97ade20b | 35 | #include "fs.h" |
55314f2a JG |
36 | |
37 | #define BT_LOG_TAG "PLUGIN-CTF-FS-QUERY-SRC" | |
38 | #include "logging.h" | |
04c0ba87 JG |
39 | |
40 | #define METADATA_TEXT_SIG "/* CTF 1.8" | |
41 | ||
97ade20b JG |
42 | struct range { |
43 | int64_t begin_ns; | |
44 | int64_t end_ns; | |
45 | bool set; | |
46 | }; | |
47 | ||
04c0ba87 | 48 | BT_HIDDEN |
fe7265b5 | 49 | struct bt_component_class_query_method_return metadata_info_query( |
1286dcbb | 50 | struct bt_component_class *comp_class, |
04c0ba87 JG |
51 | struct bt_value *params) |
52 | { | |
fe7265b5 | 53 | struct bt_component_class_query_method_return query_ret = { |
1286dcbb PP |
54 | .result = NULL, |
55 | .status = BT_QUERY_STATUS_OK, | |
56 | }; | |
57 | ||
17582c6d | 58 | struct bt_private_value *result = NULL; |
04c0ba87 JG |
59 | struct bt_value *path_value = NULL; |
60 | char *metadata_text = NULL; | |
61 | FILE *metadata_fp = NULL; | |
62 | GString *g_metadata_text = NULL; | |
63 | int ret; | |
64 | int bo; | |
65 | const char *path; | |
66 | bool is_packetized; | |
67 | ||
17582c6d PP |
68 | result = bt_private_value_map_create(); |
69 | if (!result) { | |
1286dcbb | 70 | query_ret.status = BT_QUERY_STATUS_NOMEM; |
04c0ba87 JG |
71 | goto error; |
72 | } | |
73 | ||
17582c6d | 74 | query_ret.result = bt_value_borrow_from_private(result); |
8b45963b PP |
75 | BT_ASSERT(params); |
76 | ||
04c0ba87 | 77 | if (!bt_value_is_map(params)) { |
682572a4 | 78 | BT_LOGE_STR("Query parameters is not a map value object."); |
1286dcbb | 79 | query_ret.status = BT_QUERY_STATUS_INVALID_PARAMS; |
04c0ba87 JG |
80 | goto error; |
81 | } | |
82 | ||
44514773 | 83 | path_value = bt_value_map_borrow_entry_value(params, "path"); |
04c0ba87 JG |
84 | ret = bt_value_string_get(path_value, &path); |
85 | if (ret) { | |
682572a4 | 86 | BT_LOGE_STR("Cannot get `path` string parameter."); |
1286dcbb | 87 | query_ret.status = BT_QUERY_STATUS_INVALID_PARAMS; |
04c0ba87 JG |
88 | goto error; |
89 | } | |
90 | ||
8b45963b | 91 | BT_ASSERT(path); |
04c0ba87 JG |
92 | metadata_fp = ctf_fs_metadata_open_file(path); |
93 | if (!metadata_fp) { | |
682572a4 | 94 | BT_LOGE("Cannot open trace metadata: path=\"%s\".", path); |
04c0ba87 JG |
95 | goto error; |
96 | } | |
97 | ||
98 | is_packetized = ctf_metadata_decoder_is_packetized(metadata_fp, | |
99 | &bo); | |
100 | ||
101 | if (is_packetized) { | |
102 | ret = ctf_metadata_decoder_packetized_file_stream_to_buf( | |
103 | metadata_fp, &metadata_text, bo); | |
104 | if (ret) { | |
682572a4 JG |
105 | BT_LOGE("Cannot decode packetized metadata file: path=\"%s\"", |
106 | path); | |
04c0ba87 JG |
107 | goto error; |
108 | } | |
109 | } else { | |
110 | long filesize; | |
111 | ||
faf8e665 MD |
112 | ret = fseek(metadata_fp, 0, SEEK_END); |
113 | if (ret) { | |
682572a4 JG |
114 | BT_LOGE_ERRNO("Failed to seek to the end of the metadata file", |
115 | ": path=\"%s\"", path); | |
faf8e665 MD |
116 | goto error; |
117 | } | |
04c0ba87 | 118 | filesize = ftell(metadata_fp); |
faf8e665 | 119 | if (filesize < 0) { |
682572a4 JG |
120 | BT_LOGE_ERRNO("Failed to get the current position in the metadata file", |
121 | ": path=\"%s\"", path); | |
faf8e665 MD |
122 | goto error; |
123 | } | |
04c0ba87 JG |
124 | rewind(metadata_fp); |
125 | metadata_text = malloc(filesize + 1); | |
126 | if (!metadata_text) { | |
682572a4 | 127 | BT_LOGE_STR("Cannot allocate buffer for metadata text."); |
04c0ba87 JG |
128 | goto error; |
129 | } | |
130 | ||
131 | if (fread(metadata_text, filesize, 1, metadata_fp) != 1) { | |
682572a4 JG |
132 | BT_LOGE_ERRNO("Cannot read metadata file", ": path=\"%s\"", |
133 | path); | |
04c0ba87 JG |
134 | goto error; |
135 | } | |
136 | ||
137 | metadata_text[filesize] = '\0'; | |
138 | } | |
139 | ||
140 | g_metadata_text = g_string_new(NULL); | |
141 | if (!g_metadata_text) { | |
142 | goto error; | |
143 | } | |
144 | ||
145 | if (strncmp(metadata_text, METADATA_TEXT_SIG, | |
146 | sizeof(METADATA_TEXT_SIG) - 1) != 0) { | |
147 | g_string_assign(g_metadata_text, METADATA_TEXT_SIG); | |
148 | g_string_append(g_metadata_text, " */\n\n"); | |
149 | } | |
150 | ||
151 | g_string_append(g_metadata_text, metadata_text); | |
152 | ||
17582c6d | 153 | ret = bt_private_value_map_insert_string_entry(result, "text", |
04c0ba87 JG |
154 | g_metadata_text->str); |
155 | if (ret) { | |
682572a4 | 156 | BT_LOGE_STR("Cannot insert metadata text into query result."); |
04c0ba87 JG |
157 | goto error; |
158 | } | |
159 | ||
17582c6d | 160 | ret = bt_private_value_map_insert_bool_entry(result, "is-packetized", |
04c0ba87 JG |
161 | is_packetized); |
162 | if (ret) { | |
682572a4 | 163 | BT_LOGE_STR("Cannot insert \"is-packetized\" attribute into query result."); |
04c0ba87 JG |
164 | goto error; |
165 | } | |
166 | ||
167 | goto end; | |
168 | ||
169 | error: | |
17582c6d PP |
170 | BT_OBJECT_PUT_REF_AND_RESET(result); |
171 | query_ret.result = NULL; | |
1286dcbb PP |
172 | |
173 | if (query_ret.status >= 0) { | |
174 | query_ret.status = BT_QUERY_STATUS_ERROR; | |
175 | } | |
04c0ba87 JG |
176 | |
177 | end: | |
04c0ba87 JG |
178 | free(metadata_text); |
179 | ||
180 | if (g_metadata_text) { | |
181 | g_string_free(g_metadata_text, TRUE); | |
182 | } | |
183 | ||
184 | if (metadata_fp) { | |
185 | fclose(metadata_fp); | |
186 | } | |
1286dcbb PP |
187 | |
188 | return query_ret; | |
97ade20b | 189 | } |
13160acc | 190 | |
97ade20b | 191 | static |
17582c6d | 192 | int add_range(struct bt_private_value *info, struct range *range, |
97ade20b JG |
193 | const char *range_name) |
194 | { | |
195 | int ret = 0; | |
196 | enum bt_value_status status; | |
17582c6d | 197 | struct bt_private_value *range_map = NULL; |
97ade20b JG |
198 | |
199 | if (!range->set) { | |
200 | /* Not an error. */ | |
201 | goto end; | |
202 | } | |
203 | ||
17582c6d | 204 | range_map = bt_private_value_map_create(); |
97ade20b JG |
205 | if (!range_map) { |
206 | ret = -1; | |
207 | goto end; | |
208 | } | |
209 | ||
17582c6d | 210 | status = bt_private_value_map_insert_integer_entry(range_map, "begin", |
97ade20b JG |
211 | range->begin_ns); |
212 | if (status != BT_VALUE_STATUS_OK) { | |
213 | ret = -1; | |
214 | goto end; | |
215 | } | |
216 | ||
17582c6d | 217 | status = bt_private_value_map_insert_integer_entry(range_map, "end", |
97ade20b JG |
218 | range->end_ns); |
219 | if (status != BT_VALUE_STATUS_OK) { | |
220 | ret = -1; | |
221 | goto end; | |
222 | } | |
223 | ||
17582c6d PP |
224 | status = bt_private_value_map_insert_entry(info, range_name, |
225 | bt_value_borrow_from_private(range_map)); | |
97ade20b JG |
226 | if (status != BT_VALUE_STATUS_OK) { |
227 | ret = -1; | |
228 | goto end; | |
229 | } | |
17582c6d | 230 | |
97ade20b | 231 | end: |
8138bfe1 | 232 | bt_object_put_ref(range_map); |
97ade20b JG |
233 | return ret; |
234 | } | |
235 | ||
236 | static | |
17582c6d | 237 | int add_stream_ids(struct bt_private_value *info, struct bt_stream *stream) |
97ade20b JG |
238 | { |
239 | int ret = 0; | |
240 | int64_t stream_class_id, stream_instance_id; | |
241 | enum bt_value_status status; | |
839d52a5 | 242 | struct bt_stream_class *stream_class = NULL; |
97ade20b | 243 | |
839d52a5 | 244 | stream_instance_id = bt_stream_get_id(stream); |
97ade20b | 245 | if (stream_instance_id != -1) { |
17582c6d | 246 | status = bt_private_value_map_insert_integer_entry(info, "id", |
97ade20b JG |
247 | stream_instance_id); |
248 | if (status != BT_VALUE_STATUS_OK) { | |
249 | ret = -1; | |
250 | goto end; | |
251 | } | |
252 | } | |
253 | ||
c43f6ee2 | 254 | stream_class = bt_stream_borrow_class(stream); |
97ade20b JG |
255 | if (!stream_class) { |
256 | ret = -1; | |
257 | goto end; | |
258 | } | |
259 | ||
839d52a5 | 260 | stream_class_id = bt_stream_class_get_id(stream_class); |
97ade20b JG |
261 | if (stream_class_id == -1) { |
262 | ret = -1; | |
263 | goto end; | |
264 | } | |
265 | ||
17582c6d | 266 | status = bt_private_value_map_insert_integer_entry(info, "class-id", stream_class_id); |
97ade20b JG |
267 | if (status != BT_VALUE_STATUS_OK) { |
268 | ret = -1; | |
269 | goto end; | |
270 | } | |
c43f6ee2 | 271 | |
97ade20b | 272 | end: |
97ade20b JG |
273 | return ret; |
274 | } | |
275 | ||
276 | static | |
277 | int populate_stream_info(struct ctf_fs_ds_file_group *group, | |
17582c6d | 278 | struct bt_private_value *group_info, |
97ade20b JG |
279 | struct range *stream_range) |
280 | { | |
281 | int ret = 0; | |
282 | size_t file_idx; | |
283 | enum bt_value_status status; | |
17582c6d | 284 | struct bt_private_value *file_paths; |
97ade20b JG |
285 | |
286 | stream_range->begin_ns = INT64_MAX; | |
287 | stream_range->end_ns = 0; | |
288 | ||
17582c6d | 289 | file_paths = bt_private_value_array_create(); |
97ade20b JG |
290 | if (!file_paths) { |
291 | ret = -1; | |
292 | goto end; | |
293 | } | |
294 | ||
295 | for (file_idx = 0; file_idx < group->ds_file_infos->len; file_idx++) { | |
296 | int64_t file_begin_epoch, file_end_epoch; | |
297 | struct ctf_fs_ds_file_info *info = | |
298 | g_ptr_array_index(group->ds_file_infos, | |
299 | file_idx); | |
300 | ||
301 | if (!info->index || info->index->entries->len == 0) { | |
302 | BT_LOGW("Cannot determine range of unindexed stream file \'%s\'", | |
303 | info->path->str); | |
304 | ret = -1; | |
305 | goto end; | |
306 | } | |
307 | ||
17582c6d | 308 | status = bt_private_value_array_append_string_element(file_paths, |
97ade20b JG |
309 | info->path->str); |
310 | if (status != BT_VALUE_STATUS_OK) { | |
311 | ret = -1; | |
312 | goto end; | |
313 | } | |
314 | ||
315 | /* | |
316 | * file range is from timestamp_begin of the first entry to the | |
317 | * timestamp_end of the last entry. | |
318 | */ | |
319 | file_begin_epoch = ((struct ctf_fs_ds_index_entry *) &g_array_index(info->index->entries, | |
320 | struct ctf_fs_ds_index_entry, 0))->timestamp_begin_ns; | |
321 | file_end_epoch = ((struct ctf_fs_ds_index_entry *) &g_array_index(info->index->entries, | |
322 | struct ctf_fs_ds_index_entry, info->index->entries->len - 1))->timestamp_end_ns; | |
323 | ||
324 | stream_range->begin_ns = min(stream_range->begin_ns, file_begin_epoch); | |
325 | stream_range->end_ns = max(stream_range->end_ns, file_end_epoch); | |
326 | stream_range->set = true; | |
327 | } | |
328 | ||
329 | if (stream_range->set) { | |
330 | ret = add_range(group_info, stream_range, "range-ns"); | |
331 | if (ret) { | |
332 | goto end; | |
333 | } | |
334 | } | |
335 | ||
17582c6d PP |
336 | status = bt_private_value_map_insert_entry(group_info, "paths", |
337 | bt_value_borrow_from_private(file_paths)); | |
97ade20b JG |
338 | if (status != BT_VALUE_STATUS_OK) { |
339 | ret = -1; | |
340 | goto end; | |
341 | } | |
342 | ||
343 | ret = add_stream_ids(group_info, group->stream); | |
344 | if (ret) { | |
345 | goto end; | |
346 | } | |
347 | end: | |
8138bfe1 | 348 | bt_object_put_ref(file_paths); |
97ade20b JG |
349 | return ret; |
350 | } | |
351 | ||
352 | static | |
353 | int populate_trace_info(const char *trace_path, const char *trace_name, | |
17582c6d | 354 | struct bt_private_value *trace_info) |
97ade20b JG |
355 | { |
356 | int ret = 0; | |
357 | size_t group_idx; | |
358 | struct ctf_fs_trace *trace = NULL; | |
359 | enum bt_value_status status; | |
17582c6d | 360 | struct bt_private_value *file_groups; |
97ade20b JG |
361 | struct range trace_range = { |
362 | .begin_ns = INT64_MAX, | |
363 | .end_ns = 0, | |
364 | .set = false, | |
365 | }; | |
366 | struct range trace_intersection = { | |
367 | .begin_ns = 0, | |
368 | .end_ns = INT64_MAX, | |
369 | .set = false, | |
370 | }; | |
371 | ||
17582c6d | 372 | file_groups = bt_private_value_array_create(); |
97ade20b JG |
373 | if (!file_groups) { |
374 | goto end; | |
375 | } | |
376 | ||
17582c6d PP |
377 | status = bt_private_value_map_insert_string_entry(trace_info, "name", |
378 | trace_name); | |
97ade20b JG |
379 | if (status != BT_VALUE_STATUS_OK) { |
380 | ret = -1; | |
381 | goto end; | |
382 | } | |
17582c6d | 383 | status = bt_private_value_map_insert_string_entry(trace_info, "path", |
97ade20b JG |
384 | trace_path); |
385 | if (status != BT_VALUE_STATUS_OK) { | |
386 | ret = -1; | |
387 | goto end; | |
388 | } | |
389 | ||
f7c3ac09 | 390 | trace = ctf_fs_trace_create(trace_path, trace_name, NULL, NULL); |
97ade20b JG |
391 | if (!trace) { |
392 | BT_LOGE("Failed to create fs trace at \'%s\'", trace_path); | |
393 | ret = -1; | |
394 | goto end; | |
395 | } | |
396 | ||
8b45963b | 397 | BT_ASSERT(trace->ds_file_groups); |
97ade20b JG |
398 | /* Add trace range info only if it contains streams. */ |
399 | if (trace->ds_file_groups->len == 0) { | |
400 | ret = -1; | |
401 | goto end; | |
402 | } | |
403 | ||
404 | /* Find range of all stream groups, and of the trace. */ | |
405 | for (group_idx = 0; group_idx < trace->ds_file_groups->len; | |
406 | group_idx++) { | |
17582c6d | 407 | struct bt_private_value *group_info; |
97ade20b JG |
408 | struct range group_range = { .set = false }; |
409 | struct ctf_fs_ds_file_group *group = g_ptr_array_index( | |
410 | trace->ds_file_groups, group_idx); | |
411 | ||
17582c6d | 412 | group_info = bt_private_value_map_create(); |
97ade20b JG |
413 | if (!group_info) { |
414 | ret = -1; | |
415 | goto end; | |
416 | } | |
417 | ||
418 | ret = populate_stream_info(group, group_info, &group_range); | |
419 | if (ret) { | |
8138bfe1 | 420 | bt_object_put_ref(group_info); |
97ade20b JG |
421 | goto end; |
422 | } | |
423 | ||
424 | if (group_range.set) { | |
425 | trace_range.begin_ns = min(trace_range.begin_ns, | |
426 | group_range.begin_ns); | |
427 | trace_range.end_ns = max(trace_range.end_ns, | |
428 | group_range.end_ns); | |
429 | trace_range.set = true; | |
430 | ||
431 | trace_intersection.begin_ns = max(trace_intersection.begin_ns, | |
432 | group_range.begin_ns); | |
433 | trace_intersection.end_ns = min(trace_intersection.end_ns, | |
434 | group_range.end_ns); | |
435 | trace_intersection.set = true; | |
17582c6d PP |
436 | status = bt_private_value_array_append_element( |
437 | file_groups, | |
438 | bt_value_borrow_from_private(group_info)); | |
8138bfe1 | 439 | bt_object_put_ref(group_info); |
97ade20b JG |
440 | if (status != BT_VALUE_STATUS_OK) { |
441 | goto end; | |
442 | } | |
443 | } | |
444 | } | |
445 | ||
446 | ret = add_range(trace_info, &trace_range, "range-ns"); | |
447 | if (ret) { | |
448 | goto end; | |
449 | } | |
8ea849b8 PP |
450 | |
451 | if (trace_intersection.begin_ns < trace_intersection.end_ns) { | |
452 | ret = add_range(trace_info, &trace_intersection, | |
453 | "intersection-range-ns"); | |
454 | if (ret) { | |
455 | goto end; | |
456 | } | |
97ade20b JG |
457 | } |
458 | ||
17582c6d PP |
459 | status = bt_private_value_map_insert_entry(trace_info, "streams", |
460 | bt_value_borrow_from_private(file_groups)); | |
8138bfe1 | 461 | BT_OBJECT_PUT_REF_AND_RESET(file_groups); |
97ade20b JG |
462 | if (status != BT_VALUE_STATUS_OK) { |
463 | ret = -1; | |
464 | goto end; | |
465 | } | |
466 | ||
467 | end: | |
8138bfe1 | 468 | bt_object_put_ref(file_groups); |
97ade20b JG |
469 | ctf_fs_trace_destroy(trace); |
470 | return ret; | |
471 | } | |
472 | ||
473 | BT_HIDDEN | |
fe7265b5 | 474 | struct bt_component_class_query_method_return trace_info_query( |
1286dcbb | 475 | struct bt_component_class *comp_class, |
97ade20b JG |
476 | struct bt_value *params) |
477 | { | |
fe7265b5 | 478 | struct bt_component_class_query_method_return query_ret = { |
1286dcbb PP |
479 | .result = NULL, |
480 | .status = BT_QUERY_STATUS_OK, | |
481 | }; | |
482 | ||
17582c6d | 483 | struct bt_private_value *result = NULL; |
97ade20b JG |
484 | struct bt_value *path_value = NULL; |
485 | int ret = 0; | |
486 | const char *path = NULL; | |
487 | GList *trace_paths = NULL; | |
488 | GList *trace_names = NULL; | |
489 | GList *tp_node = NULL; | |
490 | GList *tn_node = NULL; | |
491 | GString *normalized_path = NULL; | |
492 | ||
8b45963b PP |
493 | BT_ASSERT(params); |
494 | ||
97ade20b JG |
495 | if (!bt_value_is_map(params)) { |
496 | BT_LOGE("Query parameters is not a map value object."); | |
1286dcbb | 497 | query_ret.status = BT_QUERY_STATUS_INVALID_PARAMS; |
97ade20b JG |
498 | goto error; |
499 | } | |
500 | ||
44514773 | 501 | path_value = bt_value_map_borrow_entry_value(params, "path"); |
97ade20b JG |
502 | ret = bt_value_string_get(path_value, &path); |
503 | if (ret) { | |
504 | BT_LOGE("Cannot get `path` string parameter."); | |
1286dcbb | 505 | query_ret.status = BT_QUERY_STATUS_INVALID_PARAMS; |
97ade20b JG |
506 | goto error; |
507 | } | |
508 | ||
509 | normalized_path = bt_common_normalize_path(path, NULL); | |
510 | if (!normalized_path) { | |
511 | BT_LOGE("Failed to normalize path: `%s`.", path); | |
512 | goto error; | |
513 | } | |
8b45963b | 514 | BT_ASSERT(path); |
97ade20b JG |
515 | |
516 | ret = ctf_fs_find_traces(&trace_paths, normalized_path->str); | |
517 | if (ret) { | |
518 | goto error; | |
519 | } | |
520 | ||
521 | trace_names = ctf_fs_create_trace_names(trace_paths, | |
522 | normalized_path->str); | |
523 | if (!trace_names) { | |
524 | BT_LOGE("Cannot create trace names from trace paths."); | |
525 | goto error; | |
526 | } | |
527 | ||
17582c6d PP |
528 | result = bt_private_value_array_create(); |
529 | if (!result) { | |
1286dcbb | 530 | query_ret.status = BT_QUERY_STATUS_NOMEM; |
97ade20b JG |
531 | goto error; |
532 | } | |
533 | ||
17582c6d PP |
534 | query_ret.result = bt_value_borrow_from_private(result); |
535 | ||
97ade20b JG |
536 | /* Iterates over both trace paths and names simultaneously. */ |
537 | for (tp_node = trace_paths, tn_node = trace_names; tp_node; | |
538 | tp_node = g_list_next(tp_node), | |
539 | tn_node = g_list_next(tn_node)) { | |
540 | GString *trace_path = tp_node->data; | |
541 | GString *trace_name = tn_node->data; | |
542 | enum bt_value_status status; | |
17582c6d | 543 | struct bt_private_value *trace_info; |
97ade20b | 544 | |
17582c6d | 545 | trace_info = bt_private_value_map_create(); |
97ade20b JG |
546 | if (!trace_info) { |
547 | BT_LOGE("Failed to create trace info map."); | |
548 | goto error; | |
549 | } | |
550 | ||
551 | ret = populate_trace_info(trace_path->str, trace_name->str, | |
552 | trace_info); | |
553 | if (ret) { | |
8138bfe1 | 554 | bt_object_put_ref(trace_info); |
97ade20b JG |
555 | goto error; |
556 | } | |
557 | ||
17582c6d PP |
558 | status = bt_private_value_array_append_element(result, |
559 | bt_value_borrow_from_private(trace_info)); | |
8138bfe1 | 560 | bt_object_put_ref(trace_info); |
97ade20b JG |
561 | if (status != BT_VALUE_STATUS_OK) { |
562 | goto error; | |
563 | } | |
564 | } | |
565 | ||
566 | goto end; | |
567 | ||
568 | error: | |
17582c6d PP |
569 | BT_OBJECT_PUT_REF_AND_RESET(result); |
570 | query_ret.result = NULL; | |
1286dcbb PP |
571 | |
572 | if (query_ret.status >= 0) { | |
573 | query_ret.status = BT_QUERY_STATUS_ERROR; | |
574 | } | |
575 | ||
97ade20b JG |
576 | end: |
577 | if (normalized_path) { | |
578 | g_string_free(normalized_path, TRUE); | |
579 | } | |
580 | if (trace_paths) { | |
581 | for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) { | |
582 | if (tp_node->data) { | |
583 | g_string_free(tp_node->data, TRUE); | |
584 | } | |
585 | } | |
586 | g_list_free(trace_paths); | |
587 | } | |
588 | if (trace_names) { | |
589 | for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) { | |
590 | if (tn_node->data) { | |
591 | g_string_free(tn_node->data, TRUE); | |
592 | } | |
593 | } | |
594 | g_list_free(trace_names); | |
595 | } | |
596 | /* "path" becomes invalid with the release of path_value. */ | |
1286dcbb | 597 | return query_ret; |
04c0ba87 | 598 | } |