Commit | Line | Data |
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15fe47e0 PP |
1 | /* |
2 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
23 | #define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-TRACE" | |
24 | #include "logging.h" | |
25 | ||
26 | #include <babeltrace/babeltrace.h> | |
27 | #include <stdio.h> | |
28 | #include <stdbool.h> | |
29 | #include <glib.h> | |
30 | #include <babeltrace/assert-internal.h> | |
31 | #include <babeltrace/ctfser-internal.h> | |
32 | ||
33 | #include "translate-trace-ir-to-ctf-ir.h" | |
34 | #include "translate-ctf-ir-to-tsdl.h" | |
35 | #include "fs-sink.h" | |
36 | #include "fs-sink-trace.h" | |
37 | #include "fs-sink-stream.h" | |
38 | ||
39 | /* | |
40 | * Sanitizes `path` so as to: | |
41 | * | |
42 | * * Replace `.` subdirectories with `_`. | |
43 | * * Replace `..` subdirectories with `__`. | |
44 | * * Remove trailing slashes. | |
45 | */ | |
46 | static | |
47 | GString *sanitize_trace_path(const char *path) | |
48 | { | |
49 | GString *san_path = g_string_new(NULL); | |
50 | const char *ch = path; | |
51 | bool dir_start = true; | |
52 | ||
53 | BT_ASSERT(san_path); | |
54 | BT_ASSERT(path); | |
55 | ||
56 | while (*ch != '\0') { | |
57 | switch (*ch) { | |
58 | case '/': | |
59 | /* Start of directory */ | |
60 | dir_start = true; | |
61 | g_string_append_c(san_path, *ch); | |
62 | ch++; | |
63 | continue; | |
64 | case '.': | |
65 | if (dir_start) { | |
66 | switch (ch[1]) { | |
67 | case '\0': | |
68 | case '/': | |
69 | /* `.` -> `_` */ | |
70 | g_string_append_c(san_path, '_'); | |
71 | ch++; | |
72 | continue; | |
73 | case '.': | |
74 | switch (ch[2]) { | |
75 | case '\0': | |
76 | case '/': | |
77 | /* `..` -> `__` */ | |
78 | g_string_append(san_path, "__"); | |
79 | ch += 2; | |
80 | continue; | |
81 | default: | |
82 | break; | |
83 | } | |
84 | default: | |
85 | break; | |
86 | } | |
87 | } | |
88 | default: | |
89 | break; | |
90 | } | |
91 | ||
92 | /* Not a special character */ | |
93 | g_string_append_c(san_path, *ch); | |
94 | ch++; | |
95 | dir_start = false; | |
96 | } | |
97 | ||
98 | /* Remove trailing slashes */ | |
99 | while (san_path->len > 0 && | |
100 | san_path->str[san_path->len - 1] == '/') { | |
101 | /* Remove trailing slash */ | |
102 | g_string_set_size(san_path, san_path->len - 1); | |
103 | } | |
104 | ||
105 | if (san_path->len == 0) { | |
106 | /* Looks like there's nothing left: just use `trace` */ | |
107 | g_string_assign(san_path, "trace"); | |
108 | } | |
109 | ||
110 | return san_path; | |
111 | } | |
112 | ||
be38c486 SM |
113 | /* |
114 | * Find a path based on `path` that doesn't exist yet. First, try `path` | |
115 | * itself, then try with incrementing suffixes. | |
116 | */ | |
117 | ||
15fe47e0 | 118 | static |
be38c486 | 119 | GString *make_unique_trace_path(const char *path) |
15fe47e0 | 120 | { |
be38c486 | 121 | GString *unique_path; |
15fe47e0 PP |
122 | unsigned int suffix = 0; |
123 | ||
be38c486 SM |
124 | unique_path = g_string_new(path); |
125 | ||
126 | while (g_file_test(unique_path->str, G_FILE_TEST_EXISTS)) { | |
127 | g_string_printf(unique_path, "%s-%u", path, suffix); | |
128 | suffix++; | |
129 | } | |
130 | ||
131 | return unique_path; | |
132 | } | |
133 | ||
134 | /* | |
135 | * Validate that the input string `datetime` is an ISO8601-compliant string (the | |
136 | * format used by LTTng in the metadata). | |
137 | */ | |
138 | ||
139 | static | |
140 | int lttng_validate_datetime(const char *datetime) | |
141 | { | |
142 | GTimeZone *default_tz; | |
143 | GDateTime *gdatetime = NULL; | |
144 | int ret = -1; | |
145 | ||
146 | default_tz = g_time_zone_new_utc(); | |
147 | if (!default_tz) { | |
148 | BT_LOGD("Failed to allocate timezone"); | |
15fe47e0 PP |
149 | goto end; |
150 | } | |
151 | ||
be38c486 SM |
152 | gdatetime = g_date_time_new_from_iso8601(datetime, default_tz); |
153 | if (!gdatetime) { | |
154 | BT_LOGD("Couldn't parse datetime as iso8601: date=\"%s\"", datetime); | |
155 | goto end; | |
156 | } | |
15fe47e0 | 157 | |
be38c486 SM |
158 | ret = 0; |
159 | ||
160 | end: | |
161 | if (default_tz) { | |
162 | g_time_zone_unref(default_tz); | |
163 | default_tz = NULL; | |
164 | } | |
165 | ||
166 | if (gdatetime) { | |
167 | g_date_time_unref(gdatetime); | |
168 | gdatetime = NULL; | |
15fe47e0 PP |
169 | } |
170 | ||
be38c486 SM |
171 | return ret; |
172 | } | |
173 | ||
174 | static | |
175 | int append_lttng_trace_path_ust_uid(GString *path, const bt_trace_class *tc) | |
176 | { | |
177 | const bt_value *v; | |
178 | int ret; | |
179 | ||
180 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_id"); | |
181 | if (!v || !bt_value_is_integer(v)) { | |
182 | BT_LOGD_STR("Couldn't get environment value: name=\"tracer_buffering_id\""); | |
183 | goto error; | |
184 | } | |
185 | ||
186 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRId64, bt_value_integer_get(v)); | |
187 | ||
188 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "isa_length"); | |
189 | if (!v || !bt_value_is_integer(v)) { | |
190 | BT_LOGD_STR("Couldn't get environment value: name=\"isa_length\""); | |
191 | goto error; | |
192 | } | |
193 | ||
194 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRIu64 "-bit", bt_value_integer_get(v)); | |
195 | ||
196 | ret = 0; | |
197 | goto end; | |
198 | ||
199 | error: | |
200 | ret = -1; | |
201 | ||
15fe47e0 | 202 | end: |
be38c486 SM |
203 | return ret; |
204 | } | |
205 | ||
206 | static | |
207 | int append_lttng_trace_path_ust_pid(GString *path, const bt_trace_class *tc) | |
208 | { | |
209 | const bt_value *v; | |
210 | const char *datetime; | |
211 | int ret; | |
212 | ||
213 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "procname"); | |
214 | if (!v || !bt_value_is_string(v)) { | |
215 | BT_LOGD_STR("Couldn't get environment value: name=\"procname\""); | |
216 | goto error; | |
217 | } | |
218 | ||
219 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
220 | ||
221 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "vpid"); | |
222 | if (!v || !bt_value_is_integer(v)) { | |
223 | BT_LOGD_STR("Couldn't get environment value: name=\"vpid\""); | |
224 | goto error; | |
225 | } | |
226 | ||
227 | g_string_append_printf(path, "-%" PRId64, bt_value_integer_get(v)); | |
228 | ||
229 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "vpid_datetime"); | |
230 | if (!v || !bt_value_is_string(v)) { | |
231 | BT_LOGD_STR("Couldn't get environment value: name=\"vpid_datetime\""); | |
232 | goto error; | |
233 | } | |
234 | ||
235 | datetime = bt_value_string_get(v); | |
236 | ||
237 | if (lttng_validate_datetime(datetime)) { | |
238 | goto error; | |
239 | } | |
240 | ||
241 | g_string_append_printf(path, "-%s", datetime); | |
242 | ||
243 | ret = 0; | |
244 | goto end; | |
245 | ||
246 | error: | |
247 | ret = -1; | |
248 | ||
249 | end: | |
250 | return ret; | |
251 | } | |
252 | ||
253 | /* | |
254 | * Try to build a trace path based on environment values put in the trace | |
255 | * environment by the LTTng tracer, starting with version 2.11. | |
256 | */ | |
257 | static | |
258 | GString *make_lttng_trace_path_rel(const struct fs_sink_trace *trace) | |
259 | { | |
260 | const bt_trace_class *tc; | |
261 | const bt_value *v; | |
262 | const char *tracer_name, *domain, *datetime; | |
263 | int64_t tracer_major, tracer_minor; | |
264 | GString *path; | |
265 | ||
266 | path = g_string_new(NULL); | |
267 | if (!path) { | |
268 | goto error; | |
269 | } | |
270 | ||
271 | tc = bt_trace_borrow_class_const(trace->ir_trace); | |
272 | ||
273 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_name"); | |
274 | if (!v || !bt_value_is_string(v)) { | |
275 | BT_LOGD_STR("Couldn't get environment value: name=\"tracer_name\""); | |
276 | goto error; | |
277 | } | |
278 | ||
279 | tracer_name = bt_value_string_get(v); | |
280 | ||
281 | if (!g_str_equal(tracer_name, "lttng-ust") | |
282 | && !g_str_equal(tracer_name, "lttng-modules")) { | |
283 | BT_LOGD("Unrecognized tracer name: name=\"%s\"", tracer_name); | |
284 | goto error; | |
15fe47e0 PP |
285 | } |
286 | ||
be38c486 SM |
287 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_major"); |
288 | if (!v || !bt_value_is_integer(v)) { | |
289 | BT_LOGD_STR("Couldn't get environment value: name=\"tracer_major\""); | |
290 | goto error; | |
291 | } | |
292 | ||
293 | tracer_major = bt_value_integer_get(v); | |
294 | ||
295 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_minor"); | |
296 | if (!v || !bt_value_is_integer(v)) { | |
297 | BT_LOGD_STR("Couldn't get environment value: name=\"tracer_minor\""); | |
298 | goto error; | |
299 | } | |
300 | ||
301 | tracer_minor = bt_value_integer_get(v); | |
302 | ||
303 | if (!(tracer_major >= 3 || (tracer_major == 2 && tracer_minor >= 11))) { | |
304 | BT_LOGD("Unsupported LTTng version for automatic trace path: major=%" PRId64 ", minor=%" PRId64, | |
305 | tracer_major, tracer_minor); | |
306 | goto error; | |
307 | } | |
308 | ||
309 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "hostname"); | |
310 | if (!v || !bt_value_is_string(v)) { | |
311 | BT_LOGD_STR("Couldn't get environment value: name=\"tracer_hostname\""); | |
312 | goto error; | |
313 | } | |
314 | ||
315 | g_string_assign(path, bt_value_string_get(v)); | |
316 | ||
317 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "trace_name"); | |
318 | if (!v || !bt_value_is_string(v)) { | |
319 | BT_LOGD_STR("Couldn't get environment value: name=\"trace_name\""); | |
320 | goto error; | |
321 | } | |
322 | ||
323 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
324 | ||
325 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "trace_creation_datetime"); | |
326 | if (!v || !bt_value_is_string(v)) { | |
327 | BT_LOGD_STR("Couldn't get environment value: name=\"trace_creation_datetime\""); | |
328 | goto error; | |
329 | } | |
330 | ||
331 | datetime = bt_value_string_get(v); | |
332 | ||
333 | if (lttng_validate_datetime(datetime)) { | |
334 | goto error; | |
335 | } | |
336 | ||
337 | g_string_append_printf(path, "-%s", datetime); | |
338 | ||
339 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "domain"); | |
340 | if (!v || !bt_value_is_string(v)) { | |
341 | BT_LOGD_STR("Couldn't get environment value: name=\"domain\""); | |
342 | goto error; | |
343 | } | |
344 | ||
345 | domain = bt_value_string_get(v); | |
346 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", domain); | |
347 | ||
348 | if (g_str_equal(domain, "ust")) { | |
349 | const char *tracer_buffering_scheme; | |
350 | ||
351 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_scheme"); | |
352 | if (!v || !bt_value_is_string(v)) { | |
353 | BT_LOGD_STR("Couldn't get environment value: name=\"tracer_buffering_scheme\""); | |
354 | goto error; | |
355 | } | |
356 | ||
357 | tracer_buffering_scheme = bt_value_string_get(v); | |
358 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", tracer_buffering_scheme); | |
359 | ||
360 | if (g_str_equal(tracer_buffering_scheme, "uid")) { | |
361 | if (append_lttng_trace_path_ust_uid(path, tc)) { | |
362 | goto error; | |
363 | } | |
364 | } else if (g_str_equal(tracer_buffering_scheme, "pid")){ | |
365 | if (append_lttng_trace_path_ust_pid(path, tc)) { | |
366 | goto error; | |
367 | } | |
368 | } else { | |
369 | /* Unknown buffering scheme. */ | |
370 | BT_LOGD("Unknown buffering scheme: tracer_buffering_scheme=\"%s\"", tracer_buffering_scheme); | |
371 | goto error; | |
372 | } | |
373 | } else if (!g_str_equal(domain, "kernel")) { | |
374 | /* Unknown domain. */ | |
375 | BT_LOGD("Unknown domain: domain=\"%s\"", domain); | |
376 | goto error; | |
377 | } | |
378 | ||
379 | goto end; | |
380 | ||
381 | error: | |
382 | if (path) { | |
383 | g_string_free(path, TRUE); | |
384 | path = NULL; | |
385 | } | |
386 | ||
387 | end: | |
388 | return path; | |
389 | } | |
390 | ||
391 | /* Build the relative output path for `trace`. */ | |
392 | ||
393 | static | |
394 | GString *make_trace_path_rel(const struct fs_sink_trace *trace) | |
395 | { | |
396 | GString *path = NULL; | |
397 | ||
398 | if (trace->fs_sink->assume_single_trace) { | |
399 | /* Use output directory directly */ | |
400 | path = g_string_new(""); | |
401 | goto end; | |
402 | } | |
403 | ||
404 | /* First, try to build a path using environment fields written by LTTng. */ | |
405 | path = make_lttng_trace_path_rel(trace); | |
406 | if (path) { | |
407 | goto end; | |
408 | } | |
409 | ||
410 | /* Otherwise, use the trace name, if available. */ | |
411 | const char *trace_name = bt_trace_get_name(trace->ir_trace); | |
412 | if (trace_name) { | |
413 | path = g_string_new(trace_name); | |
414 | goto end; | |
415 | } | |
416 | ||
417 | /* Otherwise, use "trace". */ | |
418 | path = g_string_new("trace"); | |
419 | ||
420 | end: | |
15fe47e0 PP |
421 | return path; |
422 | } | |
423 | ||
be38c486 SM |
424 | /* |
425 | * Compute the trace output path for `trace`, rooted at `output_base_directory`. | |
426 | */ | |
427 | ||
428 | static | |
429 | GString *make_trace_path(const struct fs_sink_trace *trace, const char *output_base_directory) | |
430 | { | |
431 | GString *rel_path = NULL; | |
432 | GString *rel_path_san = NULL; | |
433 | GString *full_path = NULL; | |
434 | GString *unique_full_path = NULL; | |
435 | ||
436 | rel_path = make_trace_path_rel(trace); | |
437 | if (!rel_path) { | |
438 | goto end; | |
439 | } | |
440 | ||
441 | rel_path_san = sanitize_trace_path(rel_path->str); | |
442 | if (!rel_path_san) { | |
443 | goto end; | |
444 | } | |
445 | ||
446 | full_path = g_string_new(NULL); | |
447 | if (!full_path) { | |
448 | goto end; | |
449 | } | |
450 | ||
451 | g_string_printf(full_path, "%s" G_DIR_SEPARATOR_S "%s", | |
452 | output_base_directory, rel_path_san->str); | |
453 | ||
454 | unique_full_path = make_unique_trace_path(full_path->str); | |
455 | ||
456 | end: | |
457 | if (rel_path) { | |
458 | g_string_free(rel_path, TRUE); | |
459 | } | |
460 | ||
461 | if (rel_path_san) { | |
462 | g_string_free(rel_path_san, TRUE); | |
463 | } | |
464 | ||
465 | if (full_path) { | |
466 | g_string_free(full_path, TRUE); | |
467 | } | |
468 | ||
469 | return unique_full_path; | |
470 | } | |
471 | ||
15fe47e0 PP |
472 | BT_HIDDEN |
473 | void fs_sink_trace_destroy(struct fs_sink_trace *trace) | |
474 | { | |
475 | GString *tsdl = NULL; | |
476 | FILE *fh = NULL; | |
477 | size_t len; | |
478 | ||
479 | if (!trace) { | |
480 | goto end; | |
481 | } | |
482 | ||
483 | if (trace->ir_trace_destruction_listener_id != UINT64_C(-1)) { | |
484 | /* | |
485 | * Remove the destruction listener, otherwise it could | |
486 | * be called in the future, and its private data is this | |
487 | * CTF FS sink trace object which won't exist anymore. | |
488 | */ | |
489 | (void) bt_trace_remove_destruction_listener(trace->ir_trace, | |
490 | trace->ir_trace_destruction_listener_id); | |
491 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
492 | } | |
493 | ||
494 | if (trace->streams) { | |
495 | g_hash_table_destroy(trace->streams); | |
496 | trace->streams = NULL; | |
497 | } | |
498 | ||
499 | tsdl = g_string_new(NULL); | |
500 | BT_ASSERT(tsdl); | |
501 | translate_trace_class_ctf_ir_to_tsdl(trace->tc, tsdl); | |
502 | fh = fopen(trace->metadata_path->str, "wb"); | |
503 | if (!fh) { | |
504 | BT_LOGF_ERRNO("In trace destruction listener: " | |
505 | "cannot open metadata file for writing: ", | |
506 | ": path=\"%s\"", trace->metadata_path->str); | |
507 | abort(); | |
508 | } | |
509 | ||
510 | len = fwrite(tsdl->str, sizeof(*tsdl->str), tsdl->len, fh); | |
511 | if (len != tsdl->len) { | |
512 | BT_LOGF_ERRNO("In trace destruction listener: " | |
513 | "cannot write metadata file: ", | |
514 | ": path=\"%s\"", trace->metadata_path->str); | |
515 | abort(); | |
516 | } | |
517 | ||
518 | if (!trace->fs_sink->quiet) { | |
519 | printf("Created CTF trace `%s`.\n", trace->path->str); | |
520 | } | |
521 | ||
522 | if (trace->path) { | |
523 | g_string_free(trace->path, TRUE); | |
524 | trace->path = NULL; | |
525 | } | |
526 | ||
527 | if (trace->metadata_path) { | |
528 | g_string_free(trace->metadata_path, TRUE); | |
529 | trace->metadata_path = NULL; | |
530 | } | |
531 | ||
532 | fs_sink_ctf_trace_class_destroy(trace->tc); | |
533 | trace->tc = NULL; | |
534 | g_free(trace); | |
535 | ||
536 | end: | |
537 | if (fh) { | |
538 | int ret = fclose(fh); | |
539 | ||
540 | if (ret != 0) { | |
541 | BT_LOGW_ERRNO("In trace destruction listener: " | |
542 | "cannot close metadata file: ", | |
543 | ": path=\"%s\"", trace->metadata_path->str); | |
544 | } | |
545 | } | |
546 | ||
547 | if (tsdl) { | |
548 | g_string_free(tsdl, TRUE); | |
549 | } | |
550 | ||
551 | return; | |
552 | } | |
553 | ||
554 | static | |
555 | void ir_trace_destruction_listener(const bt_trace *ir_trace, void *data) | |
556 | { | |
557 | struct fs_sink_trace *trace = data; | |
558 | ||
559 | /* | |
560 | * Prevent bt_trace_remove_destruction_listener() from being | |
561 | * called in fs_sink_trace_destroy(), which is called by | |
562 | * g_hash_table_remove() below. | |
563 | */ | |
564 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
565 | g_hash_table_remove(trace->fs_sink->traces, ir_trace); | |
566 | } | |
567 | ||
568 | BT_HIDDEN | |
569 | struct fs_sink_trace *fs_sink_trace_create(struct fs_sink_comp *fs_sink, | |
570 | const bt_trace *ir_trace) | |
571 | { | |
572 | int ret; | |
573 | struct fs_sink_trace *trace = g_new0(struct fs_sink_trace, 1); | |
15fe47e0 PP |
574 | bt_trace_status trace_status; |
575 | ||
576 | if (!trace) { | |
577 | goto end; | |
578 | } | |
579 | ||
15fe47e0 PP |
580 | trace->fs_sink = fs_sink; |
581 | trace->ir_trace = ir_trace; | |
582 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
583 | trace->tc = translate_trace_class_trace_ir_to_ctf_ir( | |
584 | bt_trace_borrow_class_const(ir_trace)); | |
585 | if (!trace->tc) { | |
586 | goto error; | |
587 | } | |
588 | ||
be38c486 | 589 | trace->path = make_trace_path(trace, fs_sink->output_dir_path->str); |
15fe47e0 PP |
590 | BT_ASSERT(trace->path); |
591 | ret = g_mkdir_with_parents(trace->path->str, 0755); | |
592 | if (ret) { | |
593 | BT_LOGE_ERRNO("Cannot create directories for trace directory", | |
594 | ": path=\"%s\"", trace->path->str); | |
595 | goto error; | |
596 | } | |
597 | ||
598 | trace->metadata_path = g_string_new(trace->path->str); | |
599 | BT_ASSERT(trace->metadata_path); | |
600 | g_string_append(trace->metadata_path, "/metadata"); | |
601 | trace->streams = g_hash_table_new_full(g_direct_hash, g_direct_equal, | |
602 | NULL, (GDestroyNotify) fs_sink_stream_destroy); | |
603 | BT_ASSERT(trace->streams); | |
604 | trace_status = bt_trace_add_destruction_listener(ir_trace, | |
605 | ir_trace_destruction_listener, trace, | |
606 | &trace->ir_trace_destruction_listener_id); | |
607 | if (trace_status) { | |
608 | goto error; | |
609 | } | |
610 | ||
611 | g_hash_table_insert(fs_sink->traces, (gpointer) ir_trace, trace); | |
612 | goto end; | |
613 | ||
614 | error: | |
615 | fs_sink_trace_destroy(trace); | |
616 | trace = NULL; | |
617 | ||
618 | end: | |
619 | return trace; | |
620 | } |