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 | ||
ffa3b2b3 | 23 | #define BT_LOG_OUTPUT_LEVEL (trace->log_level) |
350ad6c1 | 24 | #define BT_LOG_TAG "PLUGIN/SINK.CTF.FS/TRACE" |
ffa3b2b3 | 25 | #include "logging/log.h" |
15fe47e0 | 26 | |
3fadfbc0 | 27 | #include <babeltrace2/babeltrace.h> |
15fe47e0 PP |
28 | #include <stdio.h> |
29 | #include <stdbool.h> | |
30 | #include <glib.h> | |
578e048b MJ |
31 | #include "common/assert.h" |
32 | #include "ctfser/ctfser.h" | |
15fe47e0 PP |
33 | |
34 | #include "translate-trace-ir-to-ctf-ir.h" | |
35 | #include "translate-ctf-ir-to-tsdl.h" | |
36 | #include "fs-sink.h" | |
37 | #include "fs-sink-trace.h" | |
38 | #include "fs-sink-stream.h" | |
39 | ||
40 | /* | |
41 | * Sanitizes `path` so as to: | |
42 | * | |
43 | * * Replace `.` subdirectories with `_`. | |
44 | * * Replace `..` subdirectories with `__`. | |
45 | * * Remove trailing slashes. | |
46 | */ | |
47 | static | |
48 | GString *sanitize_trace_path(const char *path) | |
49 | { | |
50 | GString *san_path = g_string_new(NULL); | |
51 | const char *ch = path; | |
52 | bool dir_start = true; | |
53 | ||
54 | BT_ASSERT(san_path); | |
55 | BT_ASSERT(path); | |
56 | ||
57 | while (*ch != '\0') { | |
58 | switch (*ch) { | |
59 | case '/': | |
60 | /* Start of directory */ | |
61 | dir_start = true; | |
62 | g_string_append_c(san_path, *ch); | |
63 | ch++; | |
64 | continue; | |
65 | case '.': | |
66 | if (dir_start) { | |
67 | switch (ch[1]) { | |
68 | case '\0': | |
69 | case '/': | |
70 | /* `.` -> `_` */ | |
71 | g_string_append_c(san_path, '_'); | |
72 | ch++; | |
73 | continue; | |
74 | case '.': | |
75 | switch (ch[2]) { | |
76 | case '\0': | |
77 | case '/': | |
78 | /* `..` -> `__` */ | |
79 | g_string_append(san_path, "__"); | |
80 | ch += 2; | |
81 | continue; | |
82 | default: | |
83 | break; | |
84 | } | |
85 | default: | |
86 | break; | |
87 | } | |
88 | } | |
89 | default: | |
90 | break; | |
91 | } | |
92 | ||
93 | /* Not a special character */ | |
94 | g_string_append_c(san_path, *ch); | |
95 | ch++; | |
96 | dir_start = false; | |
97 | } | |
98 | ||
99 | /* Remove trailing slashes */ | |
100 | while (san_path->len > 0 && | |
101 | san_path->str[san_path->len - 1] == '/') { | |
102 | /* Remove trailing slash */ | |
103 | g_string_set_size(san_path, san_path->len - 1); | |
104 | } | |
105 | ||
106 | if (san_path->len == 0) { | |
107 | /* Looks like there's nothing left: just use `trace` */ | |
108 | g_string_assign(san_path, "trace"); | |
109 | } | |
110 | ||
111 | return san_path; | |
112 | } | |
113 | ||
be38c486 SM |
114 | /* |
115 | * Find a path based on `path` that doesn't exist yet. First, try `path` | |
116 | * itself, then try with incrementing suffixes. | |
117 | */ | |
118 | ||
15fe47e0 | 119 | static |
be38c486 | 120 | GString *make_unique_trace_path(const char *path) |
15fe47e0 | 121 | { |
be38c486 | 122 | GString *unique_path; |
15fe47e0 PP |
123 | unsigned int suffix = 0; |
124 | ||
be38c486 SM |
125 | unique_path = g_string_new(path); |
126 | ||
127 | while (g_file_test(unique_path->str, G_FILE_TEST_EXISTS)) { | |
128 | g_string_printf(unique_path, "%s-%u", path, suffix); | |
129 | suffix++; | |
130 | } | |
131 | ||
132 | return unique_path; | |
133 | } | |
134 | ||
135 | /* | |
136 | * Validate that the input string `datetime` is an ISO8601-compliant string (the | |
137 | * format used by LTTng in the metadata). | |
138 | */ | |
139 | ||
140 | static | |
ffa3b2b3 PP |
141 | int lttng_validate_datetime(const struct fs_sink_trace *trace, |
142 | const char *datetime) | |
be38c486 | 143 | { |
5ec1bd5c | 144 | GTimeVal tv; |
be38c486 SM |
145 | int ret = -1; |
146 | ||
5ec1bd5c SM |
147 | /* |
148 | * We are using g_time_val_from_iso8601, as the safer/more modern | |
149 | * alternative, g_date_time_new_from_iso8601, is only available in | |
150 | * glib >= 2.56, and this is sufficient for our use case of validating | |
151 | * the format. | |
152 | */ | |
153 | if (!g_time_val_from_iso8601(datetime, &tv)) { | |
3f7d4d90 | 154 | BT_LOGI("Couldn't parse datetime as ISO 8601: date=\"%s\"", datetime); |
be38c486 SM |
155 | goto end; |
156 | } | |
15fe47e0 | 157 | |
be38c486 SM |
158 | ret = 0; |
159 | ||
160 | end: | |
be38c486 SM |
161 | return ret; |
162 | } | |
163 | ||
164 | static | |
ffa3b2b3 PP |
165 | int append_lttng_trace_path_ust_uid(const struct fs_sink_trace *trace, |
166 | GString *path, const bt_trace_class *tc) | |
be38c486 SM |
167 | { |
168 | const bt_value *v; | |
169 | int ret; | |
170 | ||
171 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_id"); | |
fdd3a2da | 172 | if (!v || !bt_value_is_signed_integer(v)) { |
3f7d4d90 | 173 | BT_LOGI_STR("Couldn't get environment value: name=\"tracer_buffering_id\""); |
be38c486 SM |
174 | goto error; |
175 | } | |
176 | ||
fdd3a2da PP |
177 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRId64, |
178 | bt_value_signed_integer_get(v)); | |
be38c486 SM |
179 | |
180 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "isa_length"); | |
fdd3a2da | 181 | if (!v || !bt_value_is_signed_integer(v)) { |
3f7d4d90 | 182 | BT_LOGI_STR("Couldn't get environment value: name=\"isa_length\""); |
be38c486 SM |
183 | goto error; |
184 | } | |
185 | ||
fdd3a2da PP |
186 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRIu64 "-bit", |
187 | bt_value_signed_integer_get(v)); | |
be38c486 SM |
188 | |
189 | ret = 0; | |
190 | goto end; | |
191 | ||
192 | error: | |
193 | ret = -1; | |
194 | ||
15fe47e0 | 195 | end: |
be38c486 SM |
196 | return ret; |
197 | } | |
198 | ||
199 | static | |
ffa3b2b3 PP |
200 | int append_lttng_trace_path_ust_pid(const struct fs_sink_trace *trace, |
201 | GString *path, const bt_trace_class *tc) | |
be38c486 SM |
202 | { |
203 | const bt_value *v; | |
204 | const char *datetime; | |
205 | int ret; | |
206 | ||
207 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "procname"); | |
208 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 209 | BT_LOGI_STR("Couldn't get environment value: name=\"procname\""); |
be38c486 SM |
210 | goto error; |
211 | } | |
212 | ||
213 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
214 | ||
215 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "vpid"); | |
fdd3a2da | 216 | if (!v || !bt_value_is_signed_integer(v)) { |
3f7d4d90 | 217 | BT_LOGI_STR("Couldn't get environment value: name=\"vpid\""); |
be38c486 SM |
218 | goto error; |
219 | } | |
220 | ||
fdd3a2da | 221 | g_string_append_printf(path, "-%" PRId64, bt_value_signed_integer_get(v)); |
be38c486 SM |
222 | |
223 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "vpid_datetime"); | |
224 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 225 | BT_LOGI_STR("Couldn't get environment value: name=\"vpid_datetime\""); |
be38c486 SM |
226 | goto error; |
227 | } | |
228 | ||
229 | datetime = bt_value_string_get(v); | |
230 | ||
ffa3b2b3 | 231 | if (lttng_validate_datetime(trace, datetime)) { |
be38c486 SM |
232 | goto error; |
233 | } | |
234 | ||
235 | g_string_append_printf(path, "-%s", datetime); | |
236 | ||
237 | ret = 0; | |
238 | goto end; | |
239 | ||
240 | error: | |
241 | ret = -1; | |
242 | ||
243 | end: | |
244 | return ret; | |
245 | } | |
246 | ||
247 | /* | |
248 | * Try to build a trace path based on environment values put in the trace | |
249 | * environment by the LTTng tracer, starting with version 2.11. | |
250 | */ | |
251 | static | |
252 | GString *make_lttng_trace_path_rel(const struct fs_sink_trace *trace) | |
253 | { | |
254 | const bt_trace_class *tc; | |
255 | const bt_value *v; | |
256 | const char *tracer_name, *domain, *datetime; | |
257 | int64_t tracer_major, tracer_minor; | |
258 | GString *path; | |
259 | ||
260 | path = g_string_new(NULL); | |
261 | if (!path) { | |
262 | goto error; | |
263 | } | |
264 | ||
265 | tc = bt_trace_borrow_class_const(trace->ir_trace); | |
266 | ||
267 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_name"); | |
268 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 269 | BT_LOGI_STR("Couldn't get environment value: name=\"tracer_name\""); |
be38c486 SM |
270 | goto error; |
271 | } | |
272 | ||
273 | tracer_name = bt_value_string_get(v); | |
274 | ||
275 | if (!g_str_equal(tracer_name, "lttng-ust") | |
276 | && !g_str_equal(tracer_name, "lttng-modules")) { | |
3f7d4d90 | 277 | BT_LOGI("Unrecognized tracer name: name=\"%s\"", tracer_name); |
be38c486 | 278 | goto error; |
15fe47e0 PP |
279 | } |
280 | ||
be38c486 | 281 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_major"); |
fdd3a2da | 282 | if (!v || !bt_value_is_signed_integer(v)) { |
3f7d4d90 | 283 | BT_LOGI_STR("Couldn't get environment value: name=\"tracer_major\""); |
be38c486 SM |
284 | goto error; |
285 | } | |
286 | ||
fdd3a2da | 287 | tracer_major = bt_value_signed_integer_get(v); |
be38c486 SM |
288 | |
289 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_minor"); | |
fdd3a2da | 290 | if (!v || !bt_value_is_signed_integer(v)) { |
3f7d4d90 | 291 | BT_LOGI_STR("Couldn't get environment value: name=\"tracer_minor\""); |
be38c486 SM |
292 | goto error; |
293 | } | |
294 | ||
fdd3a2da | 295 | tracer_minor = bt_value_signed_integer_get(v); |
be38c486 SM |
296 | |
297 | if (!(tracer_major >= 3 || (tracer_major == 2 && tracer_minor >= 11))) { | |
3f7d4d90 | 298 | BT_LOGI("Unsupported LTTng version for automatic trace path: major=%" PRId64 ", minor=%" PRId64, |
be38c486 SM |
299 | tracer_major, tracer_minor); |
300 | goto error; | |
301 | } | |
302 | ||
303 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "hostname"); | |
304 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 305 | BT_LOGI_STR("Couldn't get environment value: name=\"tracer_hostname\""); |
be38c486 SM |
306 | goto error; |
307 | } | |
308 | ||
309 | g_string_assign(path, bt_value_string_get(v)); | |
310 | ||
311 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "trace_name"); | |
312 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 313 | BT_LOGI_STR("Couldn't get environment value: name=\"trace_name\""); |
be38c486 SM |
314 | goto error; |
315 | } | |
316 | ||
317 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
318 | ||
319 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "trace_creation_datetime"); | |
320 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 321 | BT_LOGI_STR("Couldn't get environment value: name=\"trace_creation_datetime\""); |
be38c486 SM |
322 | goto error; |
323 | } | |
324 | ||
325 | datetime = bt_value_string_get(v); | |
326 | ||
ffa3b2b3 | 327 | if (lttng_validate_datetime(trace, datetime)) { |
be38c486 SM |
328 | goto error; |
329 | } | |
330 | ||
331 | g_string_append_printf(path, "-%s", datetime); | |
332 | ||
333 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "domain"); | |
334 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 335 | BT_LOGI_STR("Couldn't get environment value: name=\"domain\""); |
be38c486 SM |
336 | goto error; |
337 | } | |
338 | ||
339 | domain = bt_value_string_get(v); | |
340 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", domain); | |
341 | ||
342 | if (g_str_equal(domain, "ust")) { | |
343 | const char *tracer_buffering_scheme; | |
344 | ||
345 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_scheme"); | |
346 | if (!v || !bt_value_is_string(v)) { | |
3f7d4d90 | 347 | BT_LOGI_STR("Couldn't get environment value: name=\"tracer_buffering_scheme\""); |
be38c486 SM |
348 | goto error; |
349 | } | |
350 | ||
351 | tracer_buffering_scheme = bt_value_string_get(v); | |
352 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", tracer_buffering_scheme); | |
353 | ||
354 | if (g_str_equal(tracer_buffering_scheme, "uid")) { | |
ffa3b2b3 | 355 | if (append_lttng_trace_path_ust_uid(trace, path, tc)) { |
be38c486 SM |
356 | goto error; |
357 | } | |
358 | } else if (g_str_equal(tracer_buffering_scheme, "pid")){ | |
ffa3b2b3 | 359 | if (append_lttng_trace_path_ust_pid(trace, path, tc)) { |
be38c486 SM |
360 | goto error; |
361 | } | |
362 | } else { | |
363 | /* Unknown buffering scheme. */ | |
3f7d4d90 | 364 | BT_LOGI("Unknown buffering scheme: tracer_buffering_scheme=\"%s\"", tracer_buffering_scheme); |
be38c486 SM |
365 | goto error; |
366 | } | |
367 | } else if (!g_str_equal(domain, "kernel")) { | |
368 | /* Unknown domain. */ | |
3f7d4d90 | 369 | BT_LOGI("Unknown domain: domain=\"%s\"", domain); |
be38c486 SM |
370 | goto error; |
371 | } | |
372 | ||
373 | goto end; | |
374 | ||
375 | error: | |
376 | if (path) { | |
377 | g_string_free(path, TRUE); | |
378 | path = NULL; | |
379 | } | |
380 | ||
381 | end: | |
382 | return path; | |
383 | } | |
384 | ||
385 | /* Build the relative output path for `trace`. */ | |
386 | ||
387 | static | |
388 | GString *make_trace_path_rel(const struct fs_sink_trace *trace) | |
389 | { | |
390 | GString *path = NULL; | |
391 | ||
392 | if (trace->fs_sink->assume_single_trace) { | |
393 | /* Use output directory directly */ | |
394 | path = g_string_new(""); | |
395 | goto end; | |
396 | } | |
397 | ||
398 | /* First, try to build a path using environment fields written by LTTng. */ | |
399 | path = make_lttng_trace_path_rel(trace); | |
400 | if (path) { | |
401 | goto end; | |
402 | } | |
403 | ||
404 | /* Otherwise, use the trace name, if available. */ | |
405 | const char *trace_name = bt_trace_get_name(trace->ir_trace); | |
406 | if (trace_name) { | |
407 | path = g_string_new(trace_name); | |
408 | goto end; | |
409 | } | |
410 | ||
411 | /* Otherwise, use "trace". */ | |
412 | path = g_string_new("trace"); | |
413 | ||
414 | end: | |
15fe47e0 PP |
415 | return path; |
416 | } | |
417 | ||
be38c486 SM |
418 | /* |
419 | * Compute the trace output path for `trace`, rooted at `output_base_directory`. | |
420 | */ | |
421 | ||
422 | static | |
423 | GString *make_trace_path(const struct fs_sink_trace *trace, const char *output_base_directory) | |
424 | { | |
425 | GString *rel_path = NULL; | |
426 | GString *rel_path_san = NULL; | |
427 | GString *full_path = NULL; | |
428 | GString *unique_full_path = NULL; | |
429 | ||
430 | rel_path = make_trace_path_rel(trace); | |
431 | if (!rel_path) { | |
432 | goto end; | |
433 | } | |
434 | ||
435 | rel_path_san = sanitize_trace_path(rel_path->str); | |
436 | if (!rel_path_san) { | |
437 | goto end; | |
438 | } | |
439 | ||
440 | full_path = g_string_new(NULL); | |
441 | if (!full_path) { | |
442 | goto end; | |
443 | } | |
444 | ||
445 | g_string_printf(full_path, "%s" G_DIR_SEPARATOR_S "%s", | |
446 | output_base_directory, rel_path_san->str); | |
447 | ||
448 | unique_full_path = make_unique_trace_path(full_path->str); | |
449 | ||
450 | end: | |
451 | if (rel_path) { | |
452 | g_string_free(rel_path, TRUE); | |
453 | } | |
454 | ||
455 | if (rel_path_san) { | |
456 | g_string_free(rel_path_san, TRUE); | |
457 | } | |
458 | ||
459 | if (full_path) { | |
460 | g_string_free(full_path, TRUE); | |
461 | } | |
462 | ||
463 | return unique_full_path; | |
464 | } | |
465 | ||
15fe47e0 PP |
466 | BT_HIDDEN |
467 | void fs_sink_trace_destroy(struct fs_sink_trace *trace) | |
468 | { | |
469 | GString *tsdl = NULL; | |
470 | FILE *fh = NULL; | |
471 | size_t len; | |
472 | ||
473 | if (!trace) { | |
474 | goto end; | |
475 | } | |
476 | ||
477 | if (trace->ir_trace_destruction_listener_id != UINT64_C(-1)) { | |
478 | /* | |
479 | * Remove the destruction listener, otherwise it could | |
480 | * be called in the future, and its private data is this | |
481 | * CTF FS sink trace object which won't exist anymore. | |
482 | */ | |
483 | (void) bt_trace_remove_destruction_listener(trace->ir_trace, | |
484 | trace->ir_trace_destruction_listener_id); | |
485 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
486 | } | |
487 | ||
488 | if (trace->streams) { | |
489 | g_hash_table_destroy(trace->streams); | |
490 | trace->streams = NULL; | |
491 | } | |
492 | ||
493 | tsdl = g_string_new(NULL); | |
494 | BT_ASSERT(tsdl); | |
495 | translate_trace_class_ctf_ir_to_tsdl(trace->tc, tsdl); | |
20078f92 FD |
496 | |
497 | BT_ASSERT(trace->metadata_path); | |
15fe47e0 PP |
498 | fh = fopen(trace->metadata_path->str, "wb"); |
499 | if (!fh) { | |
500 | BT_LOGF_ERRNO("In trace destruction listener: " | |
501 | "cannot open metadata file for writing: ", | |
502 | ": path=\"%s\"", trace->metadata_path->str); | |
503 | abort(); | |
504 | } | |
505 | ||
506 | len = fwrite(tsdl->str, sizeof(*tsdl->str), tsdl->len, fh); | |
507 | if (len != tsdl->len) { | |
508 | BT_LOGF_ERRNO("In trace destruction listener: " | |
509 | "cannot write metadata file: ", | |
510 | ": path=\"%s\"", trace->metadata_path->str); | |
511 | abort(); | |
512 | } | |
513 | ||
514 | if (!trace->fs_sink->quiet) { | |
515 | printf("Created CTF trace `%s`.\n", trace->path->str); | |
516 | } | |
517 | ||
518 | if (trace->path) { | |
519 | g_string_free(trace->path, TRUE); | |
520 | trace->path = NULL; | |
521 | } | |
522 | ||
20078f92 FD |
523 | g_string_free(trace->metadata_path, TRUE); |
524 | trace->metadata_path = NULL; | |
15fe47e0 PP |
525 | |
526 | fs_sink_ctf_trace_class_destroy(trace->tc); | |
527 | trace->tc = NULL; | |
528 | g_free(trace); | |
529 | ||
530 | end: | |
531 | if (fh) { | |
532 | int ret = fclose(fh); | |
533 | ||
534 | if (ret != 0) { | |
535 | BT_LOGW_ERRNO("In trace destruction listener: " | |
536 | "cannot close metadata file: ", | |
537 | ": path=\"%s\"", trace->metadata_path->str); | |
538 | } | |
539 | } | |
540 | ||
541 | if (tsdl) { | |
542 | g_string_free(tsdl, TRUE); | |
543 | } | |
544 | ||
545 | return; | |
546 | } | |
547 | ||
548 | static | |
549 | void ir_trace_destruction_listener(const bt_trace *ir_trace, void *data) | |
550 | { | |
551 | struct fs_sink_trace *trace = data; | |
552 | ||
553 | /* | |
554 | * Prevent bt_trace_remove_destruction_listener() from being | |
555 | * called in fs_sink_trace_destroy(), which is called by | |
556 | * g_hash_table_remove() below. | |
557 | */ | |
558 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
559 | g_hash_table_remove(trace->fs_sink->traces, ir_trace); | |
560 | } | |
561 | ||
562 | BT_HIDDEN | |
563 | struct fs_sink_trace *fs_sink_trace_create(struct fs_sink_comp *fs_sink, | |
564 | const bt_trace *ir_trace) | |
565 | { | |
566 | int ret; | |
567 | struct fs_sink_trace *trace = g_new0(struct fs_sink_trace, 1); | |
15fe47e0 PP |
568 | bt_trace_status trace_status; |
569 | ||
570 | if (!trace) { | |
571 | goto end; | |
572 | } | |
573 | ||
ffa3b2b3 | 574 | trace->log_level = fs_sink->log_level; |
15fe47e0 PP |
575 | trace->fs_sink = fs_sink; |
576 | trace->ir_trace = ir_trace; | |
577 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
578 | trace->tc = translate_trace_class_trace_ir_to_ctf_ir( | |
ffa3b2b3 PP |
579 | bt_trace_borrow_class_const(ir_trace), |
580 | fs_sink->log_level); | |
15fe47e0 PP |
581 | if (!trace->tc) { |
582 | goto error; | |
583 | } | |
584 | ||
be38c486 | 585 | trace->path = make_trace_path(trace, fs_sink->output_dir_path->str); |
15fe47e0 PP |
586 | BT_ASSERT(trace->path); |
587 | ret = g_mkdir_with_parents(trace->path->str, 0755); | |
588 | if (ret) { | |
589 | BT_LOGE_ERRNO("Cannot create directories for trace directory", | |
590 | ": path=\"%s\"", trace->path->str); | |
591 | goto error; | |
592 | } | |
593 | ||
594 | trace->metadata_path = g_string_new(trace->path->str); | |
595 | BT_ASSERT(trace->metadata_path); | |
596 | g_string_append(trace->metadata_path, "/metadata"); | |
597 | trace->streams = g_hash_table_new_full(g_direct_hash, g_direct_equal, | |
598 | NULL, (GDestroyNotify) fs_sink_stream_destroy); | |
599 | BT_ASSERT(trace->streams); | |
600 | trace_status = bt_trace_add_destruction_listener(ir_trace, | |
601 | ir_trace_destruction_listener, trace, | |
602 | &trace->ir_trace_destruction_listener_id); | |
603 | if (trace_status) { | |
604 | goto error; | |
605 | } | |
606 | ||
607 | g_hash_table_insert(fs_sink->traces, (gpointer) ir_trace, trace); | |
608 | goto end; | |
609 | ||
610 | error: | |
611 | fs_sink_trace_destroy(trace); | |
612 | trace = NULL; | |
613 | ||
614 | end: | |
615 | return trace; | |
616 | } |