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 | ||
aa1a7452 | 23 | #define BT_COMP_LOG_SELF_COMP (trace->fs_sink->self_comp) |
ffa3b2b3 | 24 | #define BT_LOG_OUTPUT_LEVEL (trace->log_level) |
350ad6c1 | 25 | #define BT_LOG_TAG "PLUGIN/SINK.CTF.FS/TRACE" |
aa1a7452 | 26 | #include "plugins/comp-logging.h" |
15fe47e0 | 27 | |
3fadfbc0 | 28 | #include <babeltrace2/babeltrace.h> |
15fe47e0 PP |
29 | #include <stdio.h> |
30 | #include <stdbool.h> | |
31 | #include <glib.h> | |
578e048b MJ |
32 | #include "common/assert.h" |
33 | #include "ctfser/ctfser.h" | |
15fe47e0 PP |
34 | |
35 | #include "translate-trace-ir-to-ctf-ir.h" | |
36 | #include "translate-ctf-ir-to-tsdl.h" | |
37 | #include "fs-sink.h" | |
38 | #include "fs-sink-trace.h" | |
39 | #include "fs-sink-stream.h" | |
40 | ||
41 | /* | |
42 | * Sanitizes `path` so as to: | |
43 | * | |
44 | * * Replace `.` subdirectories with `_`. | |
45 | * * Replace `..` subdirectories with `__`. | |
46 | * * Remove trailing slashes. | |
47 | */ | |
48 | static | |
49 | GString *sanitize_trace_path(const char *path) | |
50 | { | |
51 | GString *san_path = g_string_new(NULL); | |
52 | const char *ch = path; | |
53 | bool dir_start = true; | |
54 | ||
55 | BT_ASSERT(san_path); | |
56 | BT_ASSERT(path); | |
57 | ||
58 | while (*ch != '\0') { | |
59 | switch (*ch) { | |
60 | case '/': | |
61 | /* Start of directory */ | |
62 | dir_start = true; | |
63 | g_string_append_c(san_path, *ch); | |
64 | ch++; | |
65 | continue; | |
66 | case '.': | |
67 | if (dir_start) { | |
68 | switch (ch[1]) { | |
69 | case '\0': | |
70 | case '/': | |
71 | /* `.` -> `_` */ | |
72 | g_string_append_c(san_path, '_'); | |
73 | ch++; | |
74 | continue; | |
75 | case '.': | |
76 | switch (ch[2]) { | |
77 | case '\0': | |
78 | case '/': | |
79 | /* `..` -> `__` */ | |
80 | g_string_append(san_path, "__"); | |
81 | ch += 2; | |
82 | continue; | |
83 | default: | |
84 | break; | |
85 | } | |
86 | default: | |
87 | break; | |
88 | } | |
89 | } | |
90 | default: | |
91 | break; | |
92 | } | |
93 | ||
94 | /* Not a special character */ | |
95 | g_string_append_c(san_path, *ch); | |
96 | ch++; | |
97 | dir_start = false; | |
98 | } | |
99 | ||
100 | /* Remove trailing slashes */ | |
101 | while (san_path->len > 0 && | |
102 | san_path->str[san_path->len - 1] == '/') { | |
103 | /* Remove trailing slash */ | |
104 | g_string_set_size(san_path, san_path->len - 1); | |
105 | } | |
106 | ||
107 | if (san_path->len == 0) { | |
108 | /* Looks like there's nothing left: just use `trace` */ | |
109 | g_string_assign(san_path, "trace"); | |
110 | } | |
111 | ||
112 | return san_path; | |
113 | } | |
114 | ||
be38c486 SM |
115 | /* |
116 | * Find a path based on `path` that doesn't exist yet. First, try `path` | |
117 | * itself, then try with incrementing suffixes. | |
118 | */ | |
119 | ||
15fe47e0 | 120 | static |
be38c486 | 121 | GString *make_unique_trace_path(const char *path) |
15fe47e0 | 122 | { |
be38c486 | 123 | GString *unique_path; |
15fe47e0 PP |
124 | unsigned int suffix = 0; |
125 | ||
be38c486 SM |
126 | unique_path = g_string_new(path); |
127 | ||
128 | while (g_file_test(unique_path->str, G_FILE_TEST_EXISTS)) { | |
129 | g_string_printf(unique_path, "%s-%u", path, suffix); | |
130 | suffix++; | |
131 | } | |
132 | ||
133 | return unique_path; | |
134 | } | |
135 | ||
136 | /* | |
137 | * Validate that the input string `datetime` is an ISO8601-compliant string (the | |
138 | * format used by LTTng in the metadata). | |
139 | */ | |
140 | ||
141 | static | |
ffa3b2b3 PP |
142 | int lttng_validate_datetime(const struct fs_sink_trace *trace, |
143 | const char *datetime) | |
be38c486 | 144 | { |
5ec1bd5c | 145 | GTimeVal tv; |
be38c486 SM |
146 | int ret = -1; |
147 | ||
5ec1bd5c SM |
148 | /* |
149 | * We are using g_time_val_from_iso8601, as the safer/more modern | |
150 | * alternative, g_date_time_new_from_iso8601, is only available in | |
151 | * glib >= 2.56, and this is sufficient for our use case of validating | |
152 | * the format. | |
153 | */ | |
154 | if (!g_time_val_from_iso8601(datetime, &tv)) { | |
aa1a7452 | 155 | BT_COMP_LOGI("Couldn't parse datetime as ISO 8601: date=\"%s\"", datetime); |
be38c486 SM |
156 | goto end; |
157 | } | |
15fe47e0 | 158 | |
be38c486 SM |
159 | ret = 0; |
160 | ||
161 | end: | |
be38c486 SM |
162 | return ret; |
163 | } | |
164 | ||
165 | static | |
ffa3b2b3 PP |
166 | int append_lttng_trace_path_ust_uid(const struct fs_sink_trace *trace, |
167 | GString *path, const bt_trace_class *tc) | |
be38c486 SM |
168 | { |
169 | const bt_value *v; | |
170 | int ret; | |
171 | ||
172 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_id"); | |
fdd3a2da | 173 | if (!v || !bt_value_is_signed_integer(v)) { |
aa1a7452 | 174 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"tracer_buffering_id\""); |
be38c486 SM |
175 | goto error; |
176 | } | |
177 | ||
fdd3a2da PP |
178 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRId64, |
179 | bt_value_signed_integer_get(v)); | |
be38c486 SM |
180 | |
181 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "isa_length"); | |
fdd3a2da | 182 | if (!v || !bt_value_is_signed_integer(v)) { |
aa1a7452 | 183 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"isa_length\""); |
be38c486 SM |
184 | goto error; |
185 | } | |
186 | ||
fdd3a2da PP |
187 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRIu64 "-bit", |
188 | bt_value_signed_integer_get(v)); | |
be38c486 SM |
189 | |
190 | ret = 0; | |
191 | goto end; | |
192 | ||
193 | error: | |
194 | ret = -1; | |
195 | ||
15fe47e0 | 196 | end: |
be38c486 SM |
197 | return ret; |
198 | } | |
199 | ||
200 | static | |
ffa3b2b3 PP |
201 | int append_lttng_trace_path_ust_pid(const struct fs_sink_trace *trace, |
202 | GString *path, const bt_trace_class *tc) | |
be38c486 SM |
203 | { |
204 | const bt_value *v; | |
205 | const char *datetime; | |
206 | int ret; | |
207 | ||
208 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "procname"); | |
209 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 210 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"procname\""); |
be38c486 SM |
211 | goto error; |
212 | } | |
213 | ||
214 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
215 | ||
216 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "vpid"); | |
fdd3a2da | 217 | if (!v || !bt_value_is_signed_integer(v)) { |
aa1a7452 | 218 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"vpid\""); |
be38c486 SM |
219 | goto error; |
220 | } | |
221 | ||
fdd3a2da | 222 | g_string_append_printf(path, "-%" PRId64, bt_value_signed_integer_get(v)); |
be38c486 SM |
223 | |
224 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "vpid_datetime"); | |
225 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 226 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"vpid_datetime\""); |
be38c486 SM |
227 | goto error; |
228 | } | |
229 | ||
230 | datetime = bt_value_string_get(v); | |
231 | ||
ffa3b2b3 | 232 | if (lttng_validate_datetime(trace, datetime)) { |
be38c486 SM |
233 | goto error; |
234 | } | |
235 | ||
236 | g_string_append_printf(path, "-%s", datetime); | |
237 | ||
238 | ret = 0; | |
239 | goto end; | |
240 | ||
241 | error: | |
242 | ret = -1; | |
243 | ||
244 | end: | |
245 | return ret; | |
246 | } | |
247 | ||
248 | /* | |
249 | * Try to build a trace path based on environment values put in the trace | |
250 | * environment by the LTTng tracer, starting with version 2.11. | |
251 | */ | |
252 | static | |
253 | GString *make_lttng_trace_path_rel(const struct fs_sink_trace *trace) | |
254 | { | |
255 | const bt_trace_class *tc; | |
256 | const bt_value *v; | |
257 | const char *tracer_name, *domain, *datetime; | |
258 | int64_t tracer_major, tracer_minor; | |
259 | GString *path; | |
260 | ||
261 | path = g_string_new(NULL); | |
262 | if (!path) { | |
263 | goto error; | |
264 | } | |
265 | ||
266 | tc = bt_trace_borrow_class_const(trace->ir_trace); | |
267 | ||
268 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_name"); | |
269 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 270 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"tracer_name\""); |
be38c486 SM |
271 | goto error; |
272 | } | |
273 | ||
274 | tracer_name = bt_value_string_get(v); | |
275 | ||
276 | if (!g_str_equal(tracer_name, "lttng-ust") | |
277 | && !g_str_equal(tracer_name, "lttng-modules")) { | |
aa1a7452 | 278 | BT_COMP_LOGI("Unrecognized tracer name: name=\"%s\"", tracer_name); |
be38c486 | 279 | goto error; |
15fe47e0 PP |
280 | } |
281 | ||
be38c486 | 282 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_major"); |
fdd3a2da | 283 | if (!v || !bt_value_is_signed_integer(v)) { |
aa1a7452 | 284 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"tracer_major\""); |
be38c486 SM |
285 | goto error; |
286 | } | |
287 | ||
fdd3a2da | 288 | tracer_major = bt_value_signed_integer_get(v); |
be38c486 SM |
289 | |
290 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_minor"); | |
fdd3a2da | 291 | if (!v || !bt_value_is_signed_integer(v)) { |
aa1a7452 | 292 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"tracer_minor\""); |
be38c486 SM |
293 | goto error; |
294 | } | |
295 | ||
fdd3a2da | 296 | tracer_minor = bt_value_signed_integer_get(v); |
be38c486 SM |
297 | |
298 | if (!(tracer_major >= 3 || (tracer_major == 2 && tracer_minor >= 11))) { | |
aa1a7452 | 299 | BT_COMP_LOGI("Unsupported LTTng version for automatic trace path: major=%" PRId64 ", minor=%" PRId64, |
be38c486 SM |
300 | tracer_major, tracer_minor); |
301 | goto error; | |
302 | } | |
303 | ||
304 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "hostname"); | |
305 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 306 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"tracer_hostname\""); |
be38c486 SM |
307 | goto error; |
308 | } | |
309 | ||
310 | g_string_assign(path, bt_value_string_get(v)); | |
311 | ||
312 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "trace_name"); | |
313 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 314 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"trace_name\""); |
be38c486 SM |
315 | goto error; |
316 | } | |
317 | ||
318 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
319 | ||
320 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "trace_creation_datetime"); | |
321 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 322 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"trace_creation_datetime\""); |
be38c486 SM |
323 | goto error; |
324 | } | |
325 | ||
326 | datetime = bt_value_string_get(v); | |
327 | ||
ffa3b2b3 | 328 | if (lttng_validate_datetime(trace, datetime)) { |
be38c486 SM |
329 | goto error; |
330 | } | |
331 | ||
332 | g_string_append_printf(path, "-%s", datetime); | |
333 | ||
334 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "domain"); | |
335 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 336 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"domain\""); |
be38c486 SM |
337 | goto error; |
338 | } | |
339 | ||
340 | domain = bt_value_string_get(v); | |
341 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", domain); | |
342 | ||
343 | if (g_str_equal(domain, "ust")) { | |
344 | const char *tracer_buffering_scheme; | |
345 | ||
346 | v = bt_trace_class_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_scheme"); | |
347 | if (!v || !bt_value_is_string(v)) { | |
aa1a7452 | 348 | BT_COMP_LOGI_STR("Couldn't get environment value: name=\"tracer_buffering_scheme\""); |
be38c486 SM |
349 | goto error; |
350 | } | |
351 | ||
352 | tracer_buffering_scheme = bt_value_string_get(v); | |
353 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", tracer_buffering_scheme); | |
354 | ||
355 | if (g_str_equal(tracer_buffering_scheme, "uid")) { | |
ffa3b2b3 | 356 | if (append_lttng_trace_path_ust_uid(trace, path, tc)) { |
be38c486 SM |
357 | goto error; |
358 | } | |
359 | } else if (g_str_equal(tracer_buffering_scheme, "pid")){ | |
ffa3b2b3 | 360 | if (append_lttng_trace_path_ust_pid(trace, path, tc)) { |
be38c486 SM |
361 | goto error; |
362 | } | |
363 | } else { | |
364 | /* Unknown buffering scheme. */ | |
aa1a7452 | 365 | BT_COMP_LOGI("Unknown buffering scheme: tracer_buffering_scheme=\"%s\"", tracer_buffering_scheme); |
be38c486 SM |
366 | goto error; |
367 | } | |
368 | } else if (!g_str_equal(domain, "kernel")) { | |
369 | /* Unknown domain. */ | |
aa1a7452 | 370 | BT_COMP_LOGI("Unknown domain: domain=\"%s\"", domain); |
be38c486 SM |
371 | goto error; |
372 | } | |
373 | ||
374 | goto end; | |
375 | ||
376 | error: | |
377 | if (path) { | |
378 | g_string_free(path, TRUE); | |
379 | path = NULL; | |
380 | } | |
381 | ||
382 | end: | |
383 | return path; | |
384 | } | |
385 | ||
386 | /* Build the relative output path for `trace`. */ | |
387 | ||
388 | static | |
389 | GString *make_trace_path_rel(const struct fs_sink_trace *trace) | |
390 | { | |
391 | GString *path = NULL; | |
392 | ||
393 | if (trace->fs_sink->assume_single_trace) { | |
394 | /* Use output directory directly */ | |
395 | path = g_string_new(""); | |
396 | goto end; | |
397 | } | |
398 | ||
399 | /* First, try to build a path using environment fields written by LTTng. */ | |
400 | path = make_lttng_trace_path_rel(trace); | |
401 | if (path) { | |
402 | goto end; | |
403 | } | |
404 | ||
405 | /* Otherwise, use the trace name, if available. */ | |
406 | const char *trace_name = bt_trace_get_name(trace->ir_trace); | |
407 | if (trace_name) { | |
408 | path = g_string_new(trace_name); | |
409 | goto end; | |
410 | } | |
411 | ||
412 | /* Otherwise, use "trace". */ | |
413 | path = g_string_new("trace"); | |
414 | ||
415 | end: | |
15fe47e0 PP |
416 | return path; |
417 | } | |
418 | ||
be38c486 SM |
419 | /* |
420 | * Compute the trace output path for `trace`, rooted at `output_base_directory`. | |
421 | */ | |
422 | ||
423 | static | |
424 | GString *make_trace_path(const struct fs_sink_trace *trace, const char *output_base_directory) | |
425 | { | |
426 | GString *rel_path = NULL; | |
427 | GString *rel_path_san = NULL; | |
428 | GString *full_path = NULL; | |
429 | GString *unique_full_path = NULL; | |
430 | ||
431 | rel_path = make_trace_path_rel(trace); | |
432 | if (!rel_path) { | |
433 | goto end; | |
434 | } | |
435 | ||
436 | rel_path_san = sanitize_trace_path(rel_path->str); | |
437 | if (!rel_path_san) { | |
438 | goto end; | |
439 | } | |
440 | ||
441 | full_path = g_string_new(NULL); | |
442 | if (!full_path) { | |
443 | goto end; | |
444 | } | |
445 | ||
446 | g_string_printf(full_path, "%s" G_DIR_SEPARATOR_S "%s", | |
447 | output_base_directory, rel_path_san->str); | |
448 | ||
449 | unique_full_path = make_unique_trace_path(full_path->str); | |
450 | ||
451 | end: | |
452 | if (rel_path) { | |
453 | g_string_free(rel_path, TRUE); | |
454 | } | |
455 | ||
456 | if (rel_path_san) { | |
457 | g_string_free(rel_path_san, TRUE); | |
458 | } | |
459 | ||
460 | if (full_path) { | |
461 | g_string_free(full_path, TRUE); | |
462 | } | |
463 | ||
464 | return unique_full_path; | |
465 | } | |
466 | ||
15fe47e0 PP |
467 | BT_HIDDEN |
468 | void fs_sink_trace_destroy(struct fs_sink_trace *trace) | |
469 | { | |
470 | GString *tsdl = NULL; | |
471 | FILE *fh = NULL; | |
472 | size_t len; | |
473 | ||
474 | if (!trace) { | |
475 | goto end; | |
476 | } | |
477 | ||
478 | if (trace->ir_trace_destruction_listener_id != UINT64_C(-1)) { | |
479 | /* | |
480 | * Remove the destruction listener, otherwise it could | |
481 | * be called in the future, and its private data is this | |
482 | * CTF FS sink trace object which won't exist anymore. | |
483 | */ | |
484 | (void) bt_trace_remove_destruction_listener(trace->ir_trace, | |
485 | trace->ir_trace_destruction_listener_id); | |
486 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
487 | } | |
488 | ||
489 | if (trace->streams) { | |
490 | g_hash_table_destroy(trace->streams); | |
491 | trace->streams = NULL; | |
492 | } | |
493 | ||
494 | tsdl = g_string_new(NULL); | |
495 | BT_ASSERT(tsdl); | |
496 | translate_trace_class_ctf_ir_to_tsdl(trace->tc, tsdl); | |
20078f92 FD |
497 | |
498 | BT_ASSERT(trace->metadata_path); | |
15fe47e0 PP |
499 | fh = fopen(trace->metadata_path->str, "wb"); |
500 | if (!fh) { | |
aa1a7452 | 501 | BT_COMP_LOGF_ERRNO("In trace destruction listener: " |
15fe47e0 PP |
502 | "cannot open metadata file for writing: ", |
503 | ": path=\"%s\"", trace->metadata_path->str); | |
504 | abort(); | |
505 | } | |
506 | ||
507 | len = fwrite(tsdl->str, sizeof(*tsdl->str), tsdl->len, fh); | |
508 | if (len != tsdl->len) { | |
aa1a7452 | 509 | BT_COMP_LOGF_ERRNO("In trace destruction listener: " |
15fe47e0 PP |
510 | "cannot write metadata file: ", |
511 | ": path=\"%s\"", trace->metadata_path->str); | |
512 | abort(); | |
513 | } | |
514 | ||
515 | if (!trace->fs_sink->quiet) { | |
516 | printf("Created CTF trace `%s`.\n", trace->path->str); | |
517 | } | |
518 | ||
519 | if (trace->path) { | |
520 | g_string_free(trace->path, TRUE); | |
521 | trace->path = NULL; | |
522 | } | |
523 | ||
20078f92 FD |
524 | g_string_free(trace->metadata_path, TRUE); |
525 | trace->metadata_path = NULL; | |
15fe47e0 PP |
526 | |
527 | fs_sink_ctf_trace_class_destroy(trace->tc); | |
528 | trace->tc = NULL; | |
529 | g_free(trace); | |
530 | ||
531 | end: | |
532 | if (fh) { | |
533 | int ret = fclose(fh); | |
534 | ||
535 | if (ret != 0) { | |
aa1a7452 | 536 | BT_COMP_LOGW_ERRNO("In trace destruction listener: " |
15fe47e0 PP |
537 | "cannot close metadata file: ", |
538 | ": path=\"%s\"", trace->metadata_path->str); | |
539 | } | |
540 | } | |
541 | ||
542 | if (tsdl) { | |
543 | g_string_free(tsdl, TRUE); | |
544 | } | |
545 | ||
546 | return; | |
547 | } | |
548 | ||
549 | static | |
550 | void ir_trace_destruction_listener(const bt_trace *ir_trace, void *data) | |
551 | { | |
552 | struct fs_sink_trace *trace = data; | |
553 | ||
554 | /* | |
555 | * Prevent bt_trace_remove_destruction_listener() from being | |
556 | * called in fs_sink_trace_destroy(), which is called by | |
557 | * g_hash_table_remove() below. | |
558 | */ | |
559 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
560 | g_hash_table_remove(trace->fs_sink->traces, ir_trace); | |
561 | } | |
562 | ||
563 | BT_HIDDEN | |
564 | struct fs_sink_trace *fs_sink_trace_create(struct fs_sink_comp *fs_sink, | |
565 | const bt_trace *ir_trace) | |
566 | { | |
567 | int ret; | |
568 | struct fs_sink_trace *trace = g_new0(struct fs_sink_trace, 1); | |
d24d5663 | 569 | bt_trace_add_listener_status trace_status; |
15fe47e0 PP |
570 | |
571 | if (!trace) { | |
572 | goto end; | |
573 | } | |
574 | ||
ffa3b2b3 | 575 | trace->log_level = fs_sink->log_level; |
15fe47e0 PP |
576 | trace->fs_sink = fs_sink; |
577 | trace->ir_trace = ir_trace; | |
578 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
579 | trace->tc = translate_trace_class_trace_ir_to_ctf_ir( | |
aa1a7452 | 580 | fs_sink, bt_trace_borrow_class_const(ir_trace)); |
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) { | |
aa1a7452 | 589 | BT_COMP_LOGE_ERRNO("Cannot create directories for trace directory", |
15fe47e0 PP |
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 | } |