Commit | Line | Data |
---|---|---|
15fe47e0 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
15fe47e0 | 3 | * |
0235b0db | 4 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> |
15fe47e0 PP |
5 | */ |
6 | ||
c802cacb | 7 | #include <glib.h> |
c802cacb SM |
8 | #include <stdio.h> |
9 | ||
10 | #include <babeltrace2/babeltrace.h> | |
11 | ||
578e048b | 12 | #include "common/assert.h" |
15fe47e0 | 13 | |
c7e1be4b | 14 | #include "fs-sink-ctf-meta.hpp" |
087cd0f5 | 15 | #include "fs-sink-stream.hpp" |
c802cacb SM |
16 | #include "fs-sink-trace.hpp" |
17 | #include "fs-sink.hpp" | |
18 | #include "translate-ctf-ir-to-tsdl.hpp" | |
19 | #include "translate-trace-ir-to-ctf-ir.hpp" | |
15fe47e0 PP |
20 | |
21 | /* | |
22 | * Sanitizes `path` so as to: | |
23 | * | |
24 | * * Replace `.` subdirectories with `_`. | |
25 | * * Replace `..` subdirectories with `__`. | |
26 | * * Remove trailing slashes. | |
27 | */ | |
4164020e | 28 | static GString *sanitize_trace_path(const char *path) |
15fe47e0 | 29 | { |
4164020e SM |
30 | GString *san_path = g_string_new(NULL); |
31 | const char *ch = path; | |
32 | bool dir_start = true; | |
33 | ||
34 | BT_ASSERT(san_path); | |
35 | BT_ASSERT(path); | |
36 | ||
37 | while (*ch != '\0') { | |
38 | switch (*ch) { | |
39 | case '/': | |
40 | /* Start of directory */ | |
41 | dir_start = true; | |
42 | g_string_append_c(san_path, *ch); | |
43 | ch++; | |
44 | continue; | |
45 | case '.': | |
46 | if (dir_start) { | |
47 | switch (ch[1]) { | |
48 | case '\0': | |
49 | case '/': | |
50 | /* `.` -> `_` */ | |
51 | g_string_append_c(san_path, '_'); | |
52 | ch++; | |
53 | continue; | |
54 | case '.': | |
55 | switch (ch[2]) { | |
56 | case '\0': | |
57 | case '/': | |
58 | /* `..` -> `__` */ | |
59 | g_string_append(san_path, "__"); | |
60 | ch += 2; | |
61 | continue; | |
62 | default: | |
63 | break; | |
64 | } | |
65 | default: | |
66 | break; | |
67 | } | |
68 | } | |
69 | default: | |
70 | break; | |
71 | } | |
72 | ||
73 | /* Not a special character */ | |
74 | g_string_append_c(san_path, *ch); | |
75 | ch++; | |
76 | dir_start = false; | |
77 | } | |
78 | ||
79 | /* Remove trailing slashes */ | |
80 | while (san_path->len > 0 && san_path->str[san_path->len - 1] == '/') { | |
81 | /* Remove trailing slash */ | |
82 | g_string_set_size(san_path, san_path->len - 1); | |
83 | } | |
84 | ||
85 | if (san_path->len == 0) { | |
86 | /* Looks like there's nothing left: just use `trace` */ | |
87 | g_string_assign(san_path, "trace"); | |
88 | } | |
89 | ||
90 | return san_path; | |
15fe47e0 PP |
91 | } |
92 | ||
be38c486 SM |
93 | /* |
94 | * Find a path based on `path` that doesn't exist yet. First, try `path` | |
95 | * itself, then try with incrementing suffixes. | |
96 | */ | |
97 | ||
4164020e | 98 | static GString *make_unique_trace_path(const char *path) |
15fe47e0 | 99 | { |
4164020e SM |
100 | GString *unique_path; |
101 | unsigned int suffix = 0; | |
15fe47e0 | 102 | |
4164020e | 103 | unique_path = g_string_new(path); |
be38c486 | 104 | |
4164020e SM |
105 | while (g_file_test(unique_path->str, G_FILE_TEST_EXISTS)) { |
106 | g_string_printf(unique_path, "%s-%u", path, suffix); | |
107 | suffix++; | |
108 | } | |
be38c486 | 109 | |
4164020e | 110 | return unique_path; |
be38c486 SM |
111 | } |
112 | ||
f2817f2e PP |
113 | /* |
114 | * Disable `deprecated-declarations` warnings for | |
115 | * lttng_validate_datetime() because we're using `GTimeVal` and | |
116 | * g_time_val_from_iso8601() which are deprecated since GLib 2.56 | |
117 | * (Babeltrace supports older versions too). | |
118 | */ | |
119 | #pragma GCC diagnostic push | |
120 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" | |
121 | ||
be38c486 SM |
122 | /* |
123 | * Validate that the input string `datetime` is an ISO8601-compliant string (the | |
124 | * format used by LTTng in the metadata). | |
125 | */ | |
126 | ||
4164020e | 127 | static int lttng_validate_datetime(const struct fs_sink_trace *trace, const char *datetime) |
be38c486 | 128 | { |
4164020e SM |
129 | GTimeVal tv; |
130 | int ret = -1; | |
131 | ||
132 | /* | |
133 | * We are using g_time_val_from_iso8601, as the safer/more modern | |
134 | * alternative, g_date_time_new_from_iso8601, is only available in | |
135 | * glib >= 2.56, and this is sufficient for our use case of validating | |
136 | * the format. | |
137 | */ | |
138 | if (!g_time_val_from_iso8601(datetime, &tv)) { | |
3c20ac12 SM |
139 | BT_CPPLOGI_SPEC(trace->logger, "Couldn't parse datetime as ISO 8601: date=\"{}\"", |
140 | datetime); | |
4164020e SM |
141 | goto end; |
142 | } | |
143 | ||
144 | ret = 0; | |
be38c486 SM |
145 | |
146 | end: | |
4164020e | 147 | return ret; |
be38c486 SM |
148 | } |
149 | ||
f2817f2e PP |
150 | #pragma GCC diagnostic pop |
151 | ||
4164020e SM |
152 | static int append_lttng_trace_path_ust_uid(const struct fs_sink_trace *trace, GString *path, |
153 | const bt_trace *tc) | |
be38c486 | 154 | { |
4164020e SM |
155 | const bt_value *v; |
156 | int ret; | |
be38c486 | 157 | |
4164020e SM |
158 | v = bt_trace_borrow_environment_entry_value_by_name_const(tc, "tracer_buffering_id"); |
159 | if (!v || !bt_value_is_signed_integer(v)) { | |
3c20ac12 SM |
160 | BT_CPPLOGI_STR_SPEC(trace->logger, |
161 | "Couldn't get environment value: name=\"tracer_buffering_id\""); | |
4164020e SM |
162 | goto error; |
163 | } | |
be38c486 | 164 | |
4164020e | 165 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRId64, bt_value_integer_signed_get(v)); |
be38c486 | 166 | |
4164020e SM |
167 | v = bt_trace_borrow_environment_entry_value_by_name_const(tc, "architecture_bit_width"); |
168 | if (!v || !bt_value_is_signed_integer(v)) { | |
3c20ac12 SM |
169 | BT_CPPLOGI_STR_SPEC(trace->logger, |
170 | "Couldn't get environment value: name=\"architecture_bit_width\""); | |
4164020e SM |
171 | goto error; |
172 | } | |
be38c486 | 173 | |
4164020e SM |
174 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%" PRIu64 "-bit", |
175 | bt_value_integer_signed_get(v)); | |
be38c486 | 176 | |
4164020e SM |
177 | ret = 0; |
178 | goto end; | |
be38c486 SM |
179 | |
180 | error: | |
4164020e | 181 | ret = -1; |
be38c486 | 182 | |
15fe47e0 | 183 | end: |
4164020e | 184 | return ret; |
be38c486 SM |
185 | } |
186 | ||
4164020e SM |
187 | static int append_lttng_trace_path_ust_pid(const struct fs_sink_trace *trace, GString *path, |
188 | const bt_trace *tc) | |
be38c486 | 189 | { |
4164020e SM |
190 | const bt_value *v; |
191 | const char *datetime; | |
192 | int ret; | |
be38c486 | 193 | |
4164020e SM |
194 | v = bt_trace_borrow_environment_entry_value_by_name_const(tc, "procname"); |
195 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 | 196 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"procname\""); |
4164020e SM |
197 | goto error; |
198 | } | |
be38c486 | 199 | |
4164020e | 200 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); |
be38c486 | 201 | |
4164020e SM |
202 | v = bt_trace_borrow_environment_entry_value_by_name_const(tc, "vpid"); |
203 | if (!v || !bt_value_is_signed_integer(v)) { | |
3c20ac12 | 204 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"vpid\""); |
4164020e SM |
205 | goto error; |
206 | } | |
be38c486 | 207 | |
4164020e | 208 | g_string_append_printf(path, "-%" PRId64, bt_value_integer_signed_get(v)); |
be38c486 | 209 | |
4164020e SM |
210 | v = bt_trace_borrow_environment_entry_value_by_name_const(tc, "vpid_datetime"); |
211 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 SM |
212 | BT_CPPLOGI_STR_SPEC(trace->logger, |
213 | "Couldn't get environment value: name=\"vpid_datetime\""); | |
4164020e SM |
214 | goto error; |
215 | } | |
be38c486 | 216 | |
4164020e | 217 | datetime = bt_value_string_get(v); |
be38c486 | 218 | |
4164020e SM |
219 | if (lttng_validate_datetime(trace, datetime)) { |
220 | goto error; | |
221 | } | |
be38c486 | 222 | |
4164020e | 223 | g_string_append_printf(path, "-%s", datetime); |
be38c486 | 224 | |
4164020e SM |
225 | ret = 0; |
226 | goto end; | |
be38c486 SM |
227 | |
228 | error: | |
4164020e | 229 | ret = -1; |
be38c486 SM |
230 | |
231 | end: | |
4164020e | 232 | return ret; |
be38c486 SM |
233 | } |
234 | ||
235 | /* | |
236 | * Try to build a trace path based on environment values put in the trace | |
237 | * environment by the LTTng tracer, starting with version 2.11. | |
238 | */ | |
4164020e | 239 | static GString *make_lttng_trace_path_rel(const struct fs_sink_trace *trace) |
be38c486 | 240 | { |
4164020e SM |
241 | const bt_value *v; |
242 | const char *tracer_name, *domain, *datetime; | |
243 | int64_t tracer_major, tracer_minor; | |
244 | GString *path; | |
245 | ||
246 | path = g_string_new(NULL); | |
247 | if (!path) { | |
248 | goto error; | |
249 | } | |
250 | ||
251 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, "tracer_name"); | |
252 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 | 253 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"tracer_name\""); |
4164020e SM |
254 | goto error; |
255 | } | |
256 | ||
257 | tracer_name = bt_value_string_get(v); | |
258 | ||
259 | if (!g_str_equal(tracer_name, "lttng-ust") && !g_str_equal(tracer_name, "lttng-modules")) { | |
3c20ac12 | 260 | BT_CPPLOGI_SPEC(trace->logger, "Unrecognized tracer name: name=\"{}\"", tracer_name); |
4164020e SM |
261 | goto error; |
262 | } | |
263 | ||
264 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, "tracer_major"); | |
265 | if (!v || !bt_value_is_signed_integer(v)) { | |
3c20ac12 | 266 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"tracer_major\""); |
4164020e SM |
267 | goto error; |
268 | } | |
269 | ||
270 | tracer_major = bt_value_integer_signed_get(v); | |
271 | ||
272 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, "tracer_minor"); | |
273 | if (!v || !bt_value_is_signed_integer(v)) { | |
3c20ac12 | 274 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"tracer_minor\""); |
4164020e SM |
275 | goto error; |
276 | } | |
277 | ||
278 | tracer_minor = bt_value_integer_signed_get(v); | |
279 | ||
280 | if (!(tracer_major >= 3 || (tracer_major == 2 && tracer_minor >= 11))) { | |
3c20ac12 SM |
281 | BT_CPPLOGI_SPEC(trace->logger, |
282 | "Unsupported LTTng version for automatic trace path: major={}, minor={}", | |
283 | tracer_major, tracer_minor); | |
4164020e SM |
284 | goto error; |
285 | } | |
286 | ||
287 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, "hostname"); | |
288 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 SM |
289 | BT_CPPLOGI_STR_SPEC(trace->logger, |
290 | "Couldn't get environment value: name=\"tracer_hostname\""); | |
4164020e SM |
291 | goto error; |
292 | } | |
293 | ||
294 | g_string_assign(path, bt_value_string_get(v)); | |
295 | ||
296 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, "trace_name"); | |
297 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 | 298 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"trace_name\""); |
4164020e SM |
299 | goto error; |
300 | } | |
301 | ||
302 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", bt_value_string_get(v)); | |
303 | ||
304 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, | |
305 | "trace_creation_datetime"); | |
306 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 SM |
307 | BT_CPPLOGI_STR_SPEC(trace->logger, |
308 | "Couldn't get environment value: name=\"trace_creation_datetime\""); | |
4164020e SM |
309 | goto error; |
310 | } | |
311 | ||
312 | datetime = bt_value_string_get(v); | |
313 | ||
314 | if (lttng_validate_datetime(trace, datetime)) { | |
315 | goto error; | |
316 | } | |
317 | ||
318 | g_string_append_printf(path, "-%s", datetime); | |
319 | ||
320 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, "domain"); | |
321 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 | 322 | BT_CPPLOGI_STR_SPEC(trace->logger, "Couldn't get environment value: name=\"domain\""); |
4164020e SM |
323 | goto error; |
324 | } | |
325 | ||
326 | domain = bt_value_string_get(v); | |
327 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", domain); | |
328 | ||
329 | if (g_str_equal(domain, "ust")) { | |
330 | const char *tracer_buffering_scheme; | |
331 | ||
332 | v = bt_trace_borrow_environment_entry_value_by_name_const(trace->ir_trace, | |
333 | "tracer_buffering_scheme"); | |
334 | if (!v || !bt_value_is_string(v)) { | |
3c20ac12 SM |
335 | BT_CPPLOGI_STR_SPEC(trace->logger, |
336 | "Couldn't get environment value: name=\"tracer_buffering_scheme\""); | |
4164020e SM |
337 | goto error; |
338 | } | |
339 | ||
340 | tracer_buffering_scheme = bt_value_string_get(v); | |
341 | g_string_append_printf(path, G_DIR_SEPARATOR_S "%s", tracer_buffering_scheme); | |
342 | ||
343 | if (g_str_equal(tracer_buffering_scheme, "uid")) { | |
344 | if (append_lttng_trace_path_ust_uid(trace, path, trace->ir_trace)) { | |
345 | goto error; | |
346 | } | |
347 | } else if (g_str_equal(tracer_buffering_scheme, "pid")) { | |
348 | if (append_lttng_trace_path_ust_pid(trace, path, trace->ir_trace)) { | |
349 | goto error; | |
350 | } | |
351 | } else { | |
352 | /* Unknown buffering scheme. */ | |
3c20ac12 SM |
353 | BT_CPPLOGI_SPEC(trace->logger, |
354 | "Unknown buffering scheme: tracer_buffering_scheme=\"{}\"", | |
355 | tracer_buffering_scheme); | |
4164020e SM |
356 | goto error; |
357 | } | |
358 | } else if (!g_str_equal(domain, "kernel")) { | |
359 | /* Unknown domain. */ | |
3c20ac12 | 360 | BT_CPPLOGI_SPEC(trace->logger, "Unknown domain: domain=\"{}\"", domain); |
4164020e SM |
361 | goto error; |
362 | } | |
363 | ||
364 | goto end; | |
be38c486 SM |
365 | |
366 | error: | |
4164020e SM |
367 | if (path) { |
368 | g_string_free(path, TRUE); | |
369 | path = NULL; | |
370 | } | |
be38c486 SM |
371 | |
372 | end: | |
4164020e | 373 | return path; |
be38c486 SM |
374 | } |
375 | ||
376 | /* Build the relative output path for `trace`. */ | |
377 | ||
4164020e | 378 | static GString *make_trace_path_rel(const struct fs_sink_trace *trace) |
be38c486 | 379 | { |
4164020e SM |
380 | GString *path = NULL; |
381 | const char *trace_name; | |
be38c486 | 382 | |
4164020e | 383 | BT_ASSERT(!trace->fs_sink->assume_single_trace); |
be38c486 | 384 | |
4164020e SM |
385 | /* First, try to build a path using environment fields written by LTTng. */ |
386 | path = make_lttng_trace_path_rel(trace); | |
387 | if (path) { | |
388 | goto end; | |
389 | } | |
be38c486 | 390 | |
4164020e SM |
391 | /* Otherwise, use the trace name, if available. */ |
392 | trace_name = bt_trace_get_name(trace->ir_trace); | |
393 | if (trace_name) { | |
394 | path = g_string_new(trace_name); | |
395 | goto end; | |
396 | } | |
be38c486 | 397 | |
4164020e SM |
398 | /* Otherwise, use "trace". */ |
399 | path = g_string_new("trace"); | |
be38c486 SM |
400 | |
401 | end: | |
4164020e | 402 | return path; |
15fe47e0 PP |
403 | } |
404 | ||
be38c486 SM |
405 | /* |
406 | * Compute the trace output path for `trace`, rooted at `output_base_directory`. | |
407 | */ | |
408 | ||
4164020e SM |
409 | static GString *make_trace_path(const struct fs_sink_trace *trace, |
410 | const char *output_base_directory) | |
be38c486 | 411 | { |
4164020e SM |
412 | GString *rel_path = NULL; |
413 | GString *rel_path_san = NULL; | |
414 | GString *full_path = NULL; | |
415 | GString *unique_full_path = NULL; | |
416 | ||
417 | if (trace->fs_sink->assume_single_trace) { | |
418 | /* Use output directory directly */ | |
419 | unique_full_path = g_string_new(output_base_directory); | |
420 | if (!unique_full_path) { | |
421 | goto end; | |
422 | } | |
423 | } else { | |
424 | rel_path = make_trace_path_rel(trace); | |
425 | if (!rel_path) { | |
426 | goto end; | |
427 | } | |
428 | ||
429 | rel_path_san = sanitize_trace_path(rel_path->str); | |
430 | if (!rel_path_san) { | |
431 | goto end; | |
432 | } | |
433 | ||
434 | full_path = g_string_new(NULL); | |
435 | if (!full_path) { | |
436 | goto end; | |
437 | } | |
438 | ||
439 | g_string_printf(full_path, "%s" G_DIR_SEPARATOR_S "%s", output_base_directory, | |
440 | rel_path_san->str); | |
441 | ||
442 | unique_full_path = make_unique_trace_path(full_path->str); | |
443 | } | |
be38c486 SM |
444 | |
445 | end: | |
4164020e SM |
446 | if (rel_path) { |
447 | g_string_free(rel_path, TRUE); | |
448 | } | |
be38c486 | 449 | |
4164020e SM |
450 | if (rel_path_san) { |
451 | g_string_free(rel_path_san, TRUE); | |
452 | } | |
be38c486 | 453 | |
4164020e SM |
454 | if (full_path) { |
455 | g_string_free(full_path, TRUE); | |
456 | } | |
be38c486 | 457 | |
4164020e | 458 | return unique_full_path; |
be38c486 SM |
459 | } |
460 | ||
15fe47e0 PP |
461 | void fs_sink_trace_destroy(struct fs_sink_trace *trace) |
462 | { | |
4164020e SM |
463 | GString *tsdl = NULL; |
464 | FILE *fh = NULL; | |
465 | size_t len; | |
466 | ||
467 | if (!trace) { | |
468 | goto end; | |
469 | } | |
470 | ||
471 | if (trace->ir_trace_destruction_listener_id != UINT64_C(-1)) { | |
472 | /* | |
473 | * Remove the destruction listener, otherwise it could | |
474 | * be called in the future, and its private data is this | |
475 | * CTF FS sink trace object which won't exist anymore. | |
476 | */ | |
477 | (void) bt_trace_remove_destruction_listener(trace->ir_trace, | |
478 | trace->ir_trace_destruction_listener_id); | |
479 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
480 | } | |
481 | ||
482 | if (trace->streams) { | |
483 | g_hash_table_destroy(trace->streams); | |
484 | trace->streams = NULL; | |
485 | } | |
486 | ||
487 | tsdl = g_string_new(NULL); | |
488 | BT_ASSERT(tsdl); | |
489 | translate_trace_ctf_ir_to_tsdl(trace->trace, tsdl); | |
490 | ||
491 | BT_ASSERT(trace->metadata_path); | |
492 | fh = fopen(trace->metadata_path->str, "wb"); | |
493 | if (!fh) { | |
3c20ac12 SM |
494 | BT_CPPLOGF_ERRNO_SPEC(trace->logger, |
495 | "In trace destruction listener: " | |
496 | "cannot open metadata file for writing", | |
497 | ": path=\"{}\"", trace->metadata_path->str); | |
4164020e SM |
498 | bt_common_abort(); |
499 | } | |
500 | ||
501 | len = fwrite(tsdl->str, sizeof(*tsdl->str), tsdl->len, fh); | |
502 | if (len != tsdl->len) { | |
3c20ac12 SM |
503 | BT_CPPLOGF_ERRNO_SPEC(trace->logger, |
504 | "In trace destruction listener: " | |
505 | "cannot write metadata file", | |
506 | ": path=\"{}\"", trace->metadata_path->str); | |
4164020e SM |
507 | bt_common_abort(); |
508 | } | |
509 | ||
510 | if (!trace->fs_sink->quiet) { | |
511 | printf("Created CTF trace `%s`.\n", trace->path->str); | |
512 | } | |
513 | ||
514 | if (trace->path) { | |
515 | g_string_free(trace->path, TRUE); | |
516 | trace->path = NULL; | |
517 | } | |
518 | ||
519 | if (fh) { | |
520 | int ret = fclose(fh); | |
521 | ||
522 | if (ret != 0) { | |
3c20ac12 SM |
523 | BT_CPPLOGW_ERRNO_SPEC(trace->logger, |
524 | "In trace destruction listener: " | |
525 | "cannot close metadata file", | |
526 | ": path=\"{}\"", trace->metadata_path->str); | |
4164020e SM |
527 | } |
528 | } | |
529 | ||
530 | g_string_free(trace->metadata_path, TRUE); | |
531 | trace->metadata_path = NULL; | |
532 | ||
533 | fs_sink_ctf_trace_destroy(trace->trace); | |
534 | trace->trace = NULL; | |
150640e8 | 535 | delete trace; |
4164020e SM |
536 | |
537 | g_string_free(tsdl, TRUE); | |
15fe47e0 | 538 | |
3e83e4f2 | 539 | end: |
4164020e | 540 | return; |
15fe47e0 PP |
541 | } |
542 | ||
4164020e | 543 | static void ir_trace_destruction_listener(const bt_trace *ir_trace, void *data) |
15fe47e0 | 544 | { |
4164020e SM |
545 | struct fs_sink_trace *trace = (fs_sink_trace *) data; |
546 | ||
547 | /* | |
548 | * Prevent bt_trace_remove_destruction_listener() from being | |
549 | * called in fs_sink_trace_destroy(), which is called by | |
550 | * g_hash_table_remove() below. | |
551 | */ | |
552 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
553 | g_hash_table_remove(trace->fs_sink->traces, ir_trace); | |
15fe47e0 PP |
554 | } |
555 | ||
4164020e | 556 | struct fs_sink_trace *fs_sink_trace_create(struct fs_sink_comp *fs_sink, const bt_trace *ir_trace) |
15fe47e0 | 557 | { |
4164020e | 558 | int ret; |
3c20ac12 | 559 | fs_sink_trace *trace = new fs_sink_trace {fs_sink->logger}; |
4164020e SM |
560 | bt_trace_add_listener_status trace_status; |
561 | ||
4164020e SM |
562 | trace->fs_sink = fs_sink; |
563 | trace->ir_trace = ir_trace; | |
564 | trace->ir_trace_destruction_listener_id = UINT64_C(-1); | |
565 | trace->trace = translate_trace_trace_ir_to_ctf_ir(fs_sink, ir_trace); | |
566 | if (!trace->trace) { | |
567 | goto error; | |
568 | } | |
569 | ||
570 | trace->path = make_trace_path(trace, fs_sink->output_dir_path->str); | |
571 | BT_ASSERT(trace->path); | |
572 | ret = g_mkdir_with_parents(trace->path->str, 0755); | |
573 | if (ret) { | |
3c20ac12 SM |
574 | BT_CPPLOGE_ERRNO_SPEC(trace->logger, "Cannot create directories for trace directory", |
575 | ": path=\"{}\"", trace->path->str); | |
4164020e SM |
576 | goto error; |
577 | } | |
578 | ||
579 | trace->metadata_path = g_string_new(trace->path->str); | |
580 | BT_ASSERT(trace->metadata_path); | |
581 | g_string_append(trace->metadata_path, "/metadata"); | |
582 | trace->streams = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, | |
583 | (GDestroyNotify) fs_sink_stream_destroy); | |
584 | BT_ASSERT(trace->streams); | |
585 | trace_status = bt_trace_add_destruction_listener(ir_trace, ir_trace_destruction_listener, trace, | |
586 | &trace->ir_trace_destruction_listener_id); | |
587 | if (trace_status) { | |
588 | goto error; | |
589 | } | |
590 | ||
591 | g_hash_table_insert(fs_sink->traces, (gpointer) ir_trace, trace); | |
592 | goto end; | |
15fe47e0 PP |
593 | |
594 | error: | |
4164020e SM |
595 | fs_sink_trace_destroy(trace); |
596 | trace = NULL; | |
15fe47e0 PP |
597 | |
598 | end: | |
4164020e | 599 | return trace; |
15fe47e0 | 600 | } |