Commit | Line | Data |
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d8866baa PP |
1 | /* |
2 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation | |
3 | * Copyright 2017 Philippe Proulx <jeremie.galarneau@efficios.com> | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | * of this software and associated documentation files (the "Software"), to deal | |
7 | * in the Software without restriction, including without limitation the rights | |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | * copies of the Software, and to permit persons to whom the Software is | |
10 | * furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
33ec5dfa PP |
24 | #define BT_LOG_TAG "PLUGIN-TEXT-DMESG-SRC" |
25 | #include "logging.h" | |
26 | ||
d8866baa | 27 | #include <stdbool.h> |
33ec5dfa PP |
28 | #include <string.h> |
29 | #include <ctype.h> | |
d8866baa PP |
30 | #include <stdio.h> |
31 | #include <assert.h> | |
33ec5dfa PP |
32 | #include <babeltrace/babeltrace.h> |
33 | #include <babeltrace/values-internal.h> | |
34 | #include <babeltrace/compat/utc-internal.h> | |
35 | #include <babeltrace/compat/stdio-internal.h> | |
d8866baa PP |
36 | #include <glib.h> |
37 | ||
33ec5dfa PP |
38 | #define NSEC_PER_USEC 1000UL |
39 | #define NSEC_PER_MSEC 1000000UL | |
40 | #define NSEC_PER_SEC 1000000000ULL | |
41 | #define USEC_PER_SEC 1000000UL | |
42 | ||
d8866baa PP |
43 | struct dmesg_component; |
44 | ||
45 | struct dmesg_notif_iter { | |
46 | struct dmesg_component *dmesg_comp; | |
33ec5dfa PP |
47 | char *linebuf; |
48 | size_t linebuf_len; | |
d8866baa PP |
49 | FILE *fp; |
50 | }; | |
51 | ||
52 | struct dmesg_component { | |
53 | struct { | |
54 | GString *path; | |
33ec5dfa | 55 | bt_bool read_from_stdin; |
707b323a | 56 | bt_bool no_timestamp; |
d8866baa PP |
57 | } params; |
58 | ||
50842bdc PP |
59 | struct bt_trace *trace; |
60 | struct bt_stream_class *stream_class; | |
61 | struct bt_event_class *event_class; | |
62 | struct bt_stream *stream; | |
63 | struct bt_packet *packet; | |
64 | struct bt_clock_class *clock_class; | |
d8866baa PP |
65 | struct bt_clock_class_priority_map *cc_prio_map; |
66 | }; | |
67 | ||
68 | static | |
50842bdc | 69 | struct bt_field_type *create_packet_header_ft(void) |
d8866baa | 70 | { |
50842bdc PP |
71 | struct bt_field_type *root_ft = NULL; |
72 | struct bt_field_type *ft = NULL; | |
33ec5dfa PP |
73 | int ret; |
74 | ||
50842bdc | 75 | root_ft = bt_field_type_structure_create(); |
33ec5dfa PP |
76 | if (!root_ft) { |
77 | BT_LOGE_STR("Cannot create an empty structure field type object."); | |
78 | goto error; | |
79 | } | |
80 | ||
50842bdc | 81 | ft = bt_field_type_integer_create(32); |
33ec5dfa PP |
82 | if (!ft) { |
83 | BT_LOGE_STR("Cannot create an integer field type object."); | |
84 | goto error; | |
85 | } | |
86 | ||
50842bdc | 87 | ret = bt_field_type_structure_add_field(root_ft, ft, "magic"); |
33ec5dfa PP |
88 | if (ret) { |
89 | BT_LOGE("Cannot add `magic` field type to structure field type: " | |
90 | "ret=%d", ret); | |
91 | goto error; | |
92 | } | |
93 | ||
94 | BT_PUT(ft); | |
50842bdc | 95 | ft = bt_field_type_integer_create(8); |
33ec5dfa PP |
96 | if (!ft) { |
97 | BT_LOGE_STR("Cannot create an integer field type object."); | |
98 | goto error; | |
99 | } | |
100 | ||
101 | goto end; | |
102 | ||
103 | error: | |
104 | BT_PUT(root_ft); | |
105 | ||
106 | end: | |
107 | bt_put(ft); | |
108 | return root_ft; | |
109 | } | |
110 | ||
111 | static | |
50842bdc | 112 | struct bt_field_type *create_packet_context_ft(void) |
33ec5dfa | 113 | { |
50842bdc PP |
114 | struct bt_field_type *root_ft = NULL; |
115 | struct bt_field_type *ft = NULL; | |
33ec5dfa PP |
116 | int ret; |
117 | ||
50842bdc | 118 | root_ft = bt_field_type_structure_create(); |
33ec5dfa PP |
119 | if (!root_ft) { |
120 | BT_LOGE_STR("Cannot create an empty structure field type object."); | |
121 | goto error; | |
122 | } | |
123 | ||
50842bdc | 124 | ft = bt_field_type_integer_create(64); |
33ec5dfa PP |
125 | if (!ft) { |
126 | BT_LOGE_STR("Cannot create an integer field type object."); | |
127 | goto error; | |
128 | } | |
129 | ||
50842bdc | 130 | ret = bt_field_type_structure_add_field(root_ft, |
33ec5dfa PP |
131 | ft, "content_size"); |
132 | if (ret) { | |
133 | BT_LOGE("Cannot add `content_size` field type to structure field type: " | |
134 | "ret=%d", ret); | |
135 | goto error; | |
136 | } | |
137 | ||
138 | BT_PUT(ft); | |
50842bdc | 139 | ft = bt_field_type_integer_create(64); |
33ec5dfa PP |
140 | if (!ft) { |
141 | BT_LOGE_STR("Cannot create an integer field type object."); | |
142 | goto error; | |
143 | } | |
144 | ||
50842bdc | 145 | ret = bt_field_type_structure_add_field(root_ft, |
33ec5dfa PP |
146 | ft, "packet_size"); |
147 | if (ret) { | |
148 | BT_LOGE("Cannot add `packet_size` field type to structure field type: " | |
149 | "ret=%d", ret); | |
150 | goto error; | |
151 | } | |
152 | ||
153 | goto end; | |
154 | ||
155 | error: | |
156 | BT_PUT(root_ft); | |
157 | ||
158 | end: | |
159 | bt_put(ft); | |
160 | return root_ft; | |
161 | } | |
162 | ||
163 | static | |
50842bdc PP |
164 | struct bt_field_type *create_event_header_ft( |
165 | struct bt_clock_class *clock_class) | |
33ec5dfa | 166 | { |
50842bdc PP |
167 | struct bt_field_type *root_ft = NULL; |
168 | struct bt_field_type *ft = NULL; | |
33ec5dfa PP |
169 | int ret; |
170 | ||
50842bdc | 171 | root_ft = bt_field_type_structure_create(); |
33ec5dfa PP |
172 | if (!root_ft) { |
173 | BT_LOGE_STR("Cannot create an empty structure field type object."); | |
174 | goto error; | |
175 | } | |
176 | ||
50842bdc | 177 | ft = bt_field_type_integer_create(64); |
33ec5dfa PP |
178 | if (!ft) { |
179 | BT_LOGE_STR("Cannot create an integer field type object."); | |
180 | goto error; | |
181 | } | |
182 | ||
50842bdc | 183 | ret = bt_field_type_integer_set_mapped_clock_class(ft, clock_class); |
33ec5dfa PP |
184 | if (ret) { |
185 | BT_LOGE("Cannot map integer field type to clock class: " | |
186 | "ret=%d", ret); | |
187 | goto error; | |
188 | } | |
189 | ||
50842bdc | 190 | ret = bt_field_type_structure_add_field(root_ft, |
33ec5dfa PP |
191 | ft, "timestamp"); |
192 | if (ret) { | |
193 | BT_LOGE("Cannot add `timestamp` field type to structure field type: " | |
194 | "ret=%d", ret); | |
195 | goto error; | |
196 | } | |
197 | ||
198 | goto end; | |
199 | ||
200 | error: | |
201 | BT_PUT(root_ft); | |
202 | ||
203 | end: | |
204 | bt_put(ft); | |
205 | return root_ft; | |
206 | } | |
207 | ||
208 | static | |
50842bdc | 209 | struct bt_field_type *create_event_payload_ft(void) |
33ec5dfa | 210 | { |
50842bdc PP |
211 | struct bt_field_type *root_ft = NULL; |
212 | struct bt_field_type *ft = NULL; | |
33ec5dfa PP |
213 | int ret; |
214 | ||
50842bdc | 215 | root_ft = bt_field_type_structure_create(); |
33ec5dfa PP |
216 | if (!root_ft) { |
217 | BT_LOGE_STR("Cannot create an empty structure field type object."); | |
218 | goto error; | |
219 | } | |
220 | ||
50842bdc | 221 | ft = bt_field_type_string_create(); |
33ec5dfa PP |
222 | if (!ft) { |
223 | BT_LOGE_STR("Cannot create a string field type object."); | |
224 | goto error; | |
225 | } | |
226 | ||
50842bdc | 227 | ret = bt_field_type_structure_add_field(root_ft, |
33ec5dfa PP |
228 | ft, "str"); |
229 | if (ret) { | |
230 | BT_LOGE("Cannot add `str` field type to structure field type: " | |
231 | "ret=%d", ret); | |
232 | goto error; | |
233 | } | |
234 | ||
235 | goto end; | |
236 | ||
237 | error: | |
238 | BT_PUT(root_ft); | |
239 | ||
240 | end: | |
241 | bt_put(ft); | |
242 | return root_ft; | |
243 | } | |
244 | ||
245 | static | |
50842bdc | 246 | struct bt_clock_class *create_clock_class(void) |
33ec5dfa | 247 | { |
50842bdc | 248 | return bt_clock_class_create("the_clock", 1000000000); |
33ec5dfa PP |
249 | } |
250 | ||
251 | static | |
252 | int create_meta(struct dmesg_component *dmesg_comp, bool has_ts) | |
253 | { | |
50842bdc | 254 | struct bt_field_type *ft = NULL; |
33ec5dfa PP |
255 | const char *trace_name = NULL; |
256 | gchar *basename = NULL; | |
d8866baa PP |
257 | int ret = 0; |
258 | ||
50842bdc | 259 | dmesg_comp->trace = bt_trace_create(); |
33ec5dfa PP |
260 | if (!dmesg_comp->trace) { |
261 | BT_LOGE_STR("Cannot create an empty trace object."); | |
262 | goto error; | |
263 | } | |
264 | ||
265 | ft = create_packet_header_ft(); | |
266 | if (!ft) { | |
267 | BT_LOGE_STR("Cannot create packet header field type."); | |
268 | goto error; | |
269 | } | |
270 | ||
50842bdc | 271 | ret = bt_trace_set_packet_header_type(dmesg_comp->trace, ft); |
33ec5dfa PP |
272 | if (ret) { |
273 | BT_LOGE_STR("Cannot set trace's packet header field type."); | |
274 | goto error; | |
275 | } | |
276 | ||
277 | if (dmesg_comp->params.read_from_stdin) { | |
278 | trace_name = "STDIN"; | |
279 | } else { | |
280 | basename = g_path_get_basename(dmesg_comp->params.path->str); | |
281 | assert(basename); | |
282 | ||
283 | if (strcmp(basename, G_DIR_SEPARATOR_S) != 0 && | |
284 | strcmp(basename, ".") != 0) { | |
285 | trace_name = basename; | |
286 | } | |
287 | } | |
288 | ||
289 | if (trace_name) { | |
50842bdc | 290 | ret = bt_trace_set_name(dmesg_comp->trace, trace_name); |
33ec5dfa PP |
291 | if (ret) { |
292 | BT_LOGE("Cannot set trace's name: name=\"%s\"", trace_name); | |
293 | goto error; | |
294 | } | |
295 | } | |
296 | ||
50842bdc | 297 | dmesg_comp->stream_class = bt_stream_class_create_empty(NULL); |
33ec5dfa PP |
298 | if (!dmesg_comp->stream_class) { |
299 | BT_LOGE_STR("Cannot create an empty stream class object."); | |
300 | goto error; | |
301 | } | |
302 | ||
303 | bt_put(ft); | |
304 | ft = create_packet_context_ft(); | |
305 | if (!ft) { | |
306 | BT_LOGE_STR("Cannot create packet context field type."); | |
307 | goto error; | |
308 | } | |
309 | ||
50842bdc | 310 | ret = bt_stream_class_set_packet_context_type( |
33ec5dfa PP |
311 | dmesg_comp->stream_class, ft); |
312 | if (ret) { | |
313 | BT_LOGE_STR("Cannot set stream class's packet context field type."); | |
314 | goto error; | |
315 | } | |
316 | ||
317 | dmesg_comp->cc_prio_map = bt_clock_class_priority_map_create(); | |
318 | if (!dmesg_comp->cc_prio_map) { | |
319 | BT_LOGE_STR("Cannot create empty clock class priority map."); | |
320 | goto error; | |
321 | } | |
322 | ||
323 | if (has_ts) { | |
324 | dmesg_comp->clock_class = create_clock_class(); | |
325 | if (!dmesg_comp->clock_class) { | |
326 | BT_LOGE_STR("Cannot create clock class."); | |
327 | goto error; | |
328 | } | |
329 | ||
50842bdc | 330 | ret = bt_trace_add_clock_class(dmesg_comp->trace, |
33ec5dfa PP |
331 | dmesg_comp->clock_class); |
332 | if (ret) { | |
333 | BT_LOGE_STR("Cannot add clock class to trace."); | |
334 | goto error; | |
335 | } | |
336 | ||
337 | ret = bt_clock_class_priority_map_add_clock_class( | |
338 | dmesg_comp->cc_prio_map, dmesg_comp->clock_class, 0); | |
339 | if (ret) { | |
340 | BT_LOGE_STR("Cannot add clock class to clock class priority map."); | |
341 | goto error; | |
342 | } | |
343 | ||
344 | bt_put(ft); | |
345 | ft = create_event_header_ft(dmesg_comp->clock_class); | |
346 | if (!ft) { | |
347 | BT_LOGE_STR("Cannot create event header field type."); | |
348 | goto error; | |
349 | } | |
350 | ||
50842bdc | 351 | ret = bt_stream_class_set_event_header_type( |
33ec5dfa PP |
352 | dmesg_comp->stream_class, ft); |
353 | if (ret) { | |
354 | BT_LOGE_STR("Cannot set stream class's event header field type."); | |
355 | goto error; | |
356 | } | |
357 | } | |
358 | ||
50842bdc | 359 | dmesg_comp->event_class = bt_event_class_create("string"); |
33ec5dfa PP |
360 | if (!dmesg_comp->event_class) { |
361 | BT_LOGE_STR("Cannot create an empty event class object."); | |
362 | goto error; | |
363 | } | |
364 | ||
365 | bt_put(ft); | |
366 | ft = create_event_payload_ft(); | |
367 | if (!ft) { | |
368 | BT_LOGE_STR("Cannot create event payload field type."); | |
d8866baa PP |
369 | goto error; |
370 | } | |
371 | ||
50842bdc | 372 | ret = bt_event_class_set_payload_type(dmesg_comp->event_class, ft); |
33ec5dfa PP |
373 | if (ret) { |
374 | BT_LOGE_STR("Cannot set event class's event payload field type."); | |
375 | goto error; | |
376 | } | |
377 | ||
50842bdc | 378 | ret = bt_stream_class_add_event_class(dmesg_comp->stream_class, |
33ec5dfa PP |
379 | dmesg_comp->event_class); |
380 | if (ret) { | |
381 | BT_LOGE("Cannot add event class to stream class: ret=%d", ret); | |
382 | goto error; | |
383 | } | |
384 | ||
50842bdc | 385 | ret = bt_trace_add_stream_class(dmesg_comp->trace, |
33ec5dfa PP |
386 | dmesg_comp->stream_class); |
387 | if (ret) { | |
388 | BT_LOGE("Cannot add event class to stream class: ret=%d", ret); | |
389 | goto error; | |
390 | } | |
391 | ||
392 | goto end; | |
393 | ||
394 | error: | |
395 | ret = -1; | |
396 | ||
397 | end: | |
398 | bt_put(ft); | |
399 | ||
400 | if (basename) { | |
401 | g_free(basename); | |
402 | } | |
403 | ||
404 | return ret; | |
405 | } | |
406 | ||
407 | static | |
408 | int handle_params(struct dmesg_component *dmesg_comp, struct bt_value *params) | |
409 | { | |
410 | struct bt_value *read_from_stdin = NULL; | |
707b323a | 411 | struct bt_value *no_timestamp = NULL; |
33ec5dfa PP |
412 | struct bt_value *path = NULL; |
413 | const char *path_str; | |
414 | int ret = 0; | |
415 | ||
d8866baa PP |
416 | read_from_stdin = bt_value_map_get(params, "read-from-stdin"); |
417 | if (read_from_stdin) { | |
418 | if (!bt_value_is_bool(read_from_stdin)) { | |
33ec5dfa PP |
419 | BT_LOGE("Expecting a boolean value for the `read-from-stdin` parameter: " |
420 | "type=%s", | |
421 | bt_value_type_string( | |
422 | bt_value_get_type(read_from_stdin))); | |
d8866baa PP |
423 | goto error; |
424 | } | |
425 | ||
426 | ret = bt_value_bool_get(read_from_stdin, | |
427 | &dmesg_comp->params.read_from_stdin); | |
428 | assert(ret == 0); | |
429 | } | |
430 | ||
707b323a PP |
431 | no_timestamp = bt_value_map_get(params, "no-extract-timestamp"); |
432 | if (no_timestamp) { | |
433 | if (!bt_value_is_bool(no_timestamp)) { | |
434 | BT_LOGE("Expecting a boolean value for the `no-extract-timestamp` parameter: " | |
435 | "type=%s", | |
436 | bt_value_type_string( | |
437 | bt_value_get_type(no_timestamp))); | |
438 | goto error; | |
439 | } | |
440 | ||
441 | ret = bt_value_bool_get(no_timestamp, | |
442 | &dmesg_comp->params.no_timestamp); | |
443 | assert(ret == 0); | |
444 | } | |
445 | ||
d8866baa PP |
446 | path = bt_value_map_get(params, "path"); |
447 | if (path) { | |
448 | if (dmesg_comp->params.read_from_stdin) { | |
33ec5dfa | 449 | BT_LOGE_STR("Cannot specify both `read-from-stdin` and `path` parameters."); |
d8866baa PP |
450 | goto error; |
451 | } | |
452 | ||
453 | if (!bt_value_is_string(path)) { | |
33ec5dfa PP |
454 | BT_LOGE("Expecting a string value for the `path` parameter: " |
455 | "type=%s", | |
456 | bt_value_type_string( | |
457 | bt_value_get_type(path))); | |
d8866baa PP |
458 | goto error; |
459 | } | |
460 | ||
33ec5dfa | 461 | ret = bt_value_string_get(path, &path_str); |
d8866baa PP |
462 | assert(ret == 0); |
463 | g_string_assign(dmesg_comp->params.path, path_str); | |
464 | } else { | |
465 | if (!dmesg_comp->params.read_from_stdin) { | |
33ec5dfa | 466 | BT_LOGE_STR("Expecting `path` parameter or true `read-from-stdin` parameter."); |
d8866baa PP |
467 | goto error; |
468 | } | |
469 | } | |
470 | ||
471 | goto end; | |
472 | ||
473 | error: | |
474 | ret = -1; | |
475 | ||
476 | end: | |
477 | bt_put(read_from_stdin); | |
478 | bt_put(path); | |
707b323a | 479 | bt_put(no_timestamp); |
d8866baa PP |
480 | return ret; |
481 | } | |
482 | ||
483 | static | |
50842bdc | 484 | struct bt_field *create_packet_header_field(struct bt_field_type *ft) |
33ec5dfa | 485 | { |
50842bdc PP |
486 | struct bt_field *ph = NULL; |
487 | struct bt_field *magic = NULL; | |
33ec5dfa PP |
488 | int ret; |
489 | ||
50842bdc | 490 | ph = bt_field_create(ft); |
33ec5dfa PP |
491 | if (!ph) { |
492 | BT_LOGE_STR("Cannot create field object."); | |
493 | goto error; | |
494 | } | |
495 | ||
50842bdc | 496 | magic = bt_field_structure_get_field_by_name(ph, "magic"); |
33ec5dfa PP |
497 | if (!magic) { |
498 | BT_LOGE_STR("Cannot get `magic` field from structure field."); | |
499 | goto error; | |
500 | } | |
501 | ||
50842bdc | 502 | ret = bt_field_unsigned_integer_set_value(magic, 0xc1fc1fc1); |
33ec5dfa PP |
503 | if (ret) { |
504 | BT_LOGE_STR("Cannot set integer field's value."); | |
505 | goto error; | |
506 | } | |
507 | ||
508 | goto end; | |
509 | ||
510 | error: | |
511 | BT_PUT(ph); | |
512 | ||
513 | end: | |
514 | bt_put(magic); | |
515 | return ph; | |
516 | } | |
517 | ||
518 | static | |
50842bdc | 519 | struct bt_field *create_packet_context_field(struct bt_field_type *ft) |
33ec5dfa | 520 | { |
50842bdc PP |
521 | struct bt_field *pc = NULL; |
522 | struct bt_field *field = NULL; | |
33ec5dfa PP |
523 | int ret; |
524 | ||
50842bdc | 525 | pc = bt_field_create(ft); |
33ec5dfa PP |
526 | if (!pc) { |
527 | BT_LOGE_STR("Cannot create field object."); | |
528 | goto error; | |
529 | } | |
530 | ||
50842bdc | 531 | field = bt_field_structure_get_field_by_name(pc, "content_size"); |
33ec5dfa PP |
532 | if (!field) { |
533 | BT_LOGE_STR("Cannot get `content_size` field from structure field."); | |
534 | goto error; | |
535 | } | |
536 | ||
50842bdc | 537 | ret = bt_field_unsigned_integer_set_value(field, 0); |
33ec5dfa PP |
538 | if (ret) { |
539 | BT_LOGE_STR("Cannot set integer field's value."); | |
540 | goto error; | |
541 | } | |
542 | ||
543 | bt_put(field); | |
50842bdc | 544 | field = bt_field_structure_get_field_by_name(pc, "packet_size"); |
33ec5dfa PP |
545 | if (!field) { |
546 | BT_LOGE_STR("Cannot get `packet_size` field from structure field."); | |
547 | goto error; | |
548 | } | |
549 | ||
50842bdc | 550 | ret = bt_field_unsigned_integer_set_value(field, 0); |
33ec5dfa PP |
551 | if (ret) { |
552 | BT_LOGE_STR("Cannot set integer field's value."); | |
553 | goto error; | |
554 | } | |
555 | ||
556 | goto end; | |
557 | ||
558 | error: | |
559 | BT_PUT(pc); | |
560 | ||
561 | end: | |
562 | bt_put(field); | |
563 | return pc; | |
564 | } | |
565 | ||
566 | static | |
567 | int create_packet_and_stream(struct dmesg_component *dmesg_comp) | |
568 | { | |
569 | int ret = 0; | |
50842bdc PP |
570 | struct bt_field_type *ft = NULL; |
571 | struct bt_field *field = NULL; | |
33ec5dfa | 572 | |
50842bdc | 573 | dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class, |
33ec5dfa PP |
574 | NULL); |
575 | if (!dmesg_comp->stream) { | |
576 | BT_LOGE_STR("Cannot create stream object."); | |
577 | goto error; | |
578 | } | |
579 | ||
50842bdc | 580 | dmesg_comp->packet = bt_packet_create(dmesg_comp->stream); |
33ec5dfa PP |
581 | if (!dmesg_comp->packet) { |
582 | BT_LOGE_STR("Cannot create packet object."); | |
583 | goto error; | |
584 | } | |
585 | ||
50842bdc | 586 | ft = bt_trace_get_packet_header_type(dmesg_comp->trace); |
33ec5dfa PP |
587 | assert(ft); |
588 | field = create_packet_header_field(ft); | |
589 | if (!field) { | |
590 | BT_LOGE_STR("Cannot create packet header field."); | |
591 | goto error; | |
592 | } | |
593 | ||
50842bdc | 594 | ret = bt_packet_set_header(dmesg_comp->packet, field); |
33ec5dfa PP |
595 | if (ret) { |
596 | BT_LOGE_STR("Cannot set packet's header field."); | |
597 | goto error; | |
598 | } | |
599 | ||
600 | bt_put(ft); | |
601 | bt_put(field); | |
50842bdc | 602 | ft = bt_stream_class_get_packet_context_type( |
33ec5dfa PP |
603 | dmesg_comp->stream_class); |
604 | assert(ft); | |
605 | field = create_packet_context_field(ft); | |
606 | if (!field) { | |
607 | BT_LOGE_STR("Cannot create packet context field."); | |
608 | goto error; | |
609 | } | |
610 | ||
50842bdc | 611 | ret = bt_packet_set_context(dmesg_comp->packet, field); |
33ec5dfa PP |
612 | if (ret) { |
613 | BT_LOGE_STR("Cannot set packet's context field."); | |
614 | goto error; | |
615 | } | |
616 | ||
50842bdc | 617 | ret = bt_trace_set_is_static(dmesg_comp->trace); |
33ec5dfa PP |
618 | if (ret) { |
619 | BT_LOGE_STR("Cannot make trace static."); | |
620 | goto error; | |
621 | } | |
622 | ||
623 | goto end; | |
624 | ||
625 | error: | |
626 | ret = -1; | |
627 | ||
628 | end: | |
629 | bt_put(field); | |
630 | bt_put(ft); | |
631 | return ret; | |
632 | } | |
633 | ||
634 | static | |
635 | int try_create_meta_stream_packet(struct dmesg_component *dmesg_comp, | |
636 | bool has_ts) | |
637 | { | |
638 | int ret = 0; | |
639 | ||
640 | if (dmesg_comp->trace) { | |
641 | /* Already created */ | |
642 | goto end; | |
643 | } | |
644 | ||
645 | ret = create_meta(dmesg_comp, has_ts); | |
646 | if (ret) { | |
647 | BT_LOGE("Cannot create metadata objects: dmesg-comp-addr=%p", | |
648 | dmesg_comp); | |
649 | goto error; | |
650 | } | |
651 | ||
652 | ret = create_packet_and_stream(dmesg_comp); | |
653 | if (ret) { | |
654 | BT_LOGE("Cannot create packet and stream objects: " | |
655 | "dmesg-comp-addr=%p", dmesg_comp); | |
656 | goto error; | |
657 | } | |
658 | ||
659 | goto end; | |
660 | ||
661 | error: | |
662 | ret = -1; | |
663 | ||
664 | end: | |
665 | return ret; | |
666 | } | |
d8866baa PP |
667 | |
668 | static | |
669 | void destroy_dmesg_component(struct dmesg_component *dmesg_comp) | |
670 | { | |
671 | if (!dmesg_comp) { | |
672 | return; | |
673 | } | |
674 | ||
675 | if (dmesg_comp->params.path) { | |
676 | g_string_free(dmesg_comp->params.path, TRUE); | |
677 | } | |
678 | ||
679 | bt_put(dmesg_comp->packet); | |
33ec5dfa PP |
680 | bt_put(dmesg_comp->trace); |
681 | bt_put(dmesg_comp->stream_class); | |
d8866baa PP |
682 | bt_put(dmesg_comp->event_class); |
683 | bt_put(dmesg_comp->stream); | |
33ec5dfa | 684 | bt_put(dmesg_comp->clock_class); |
d8866baa PP |
685 | bt_put(dmesg_comp->cc_prio_map); |
686 | g_free(dmesg_comp); | |
687 | } | |
688 | ||
33ec5dfa PP |
689 | static |
690 | enum bt_component_status create_port(struct bt_private_component *priv_comp) | |
691 | { | |
692 | return bt_private_component_source_add_output_private_port(priv_comp, | |
693 | "out", NULL, NULL); | |
694 | } | |
695 | ||
d8866baa PP |
696 | BT_HIDDEN |
697 | enum bt_component_status dmesg_init(struct bt_private_component *priv_comp, | |
698 | struct bt_value *params, void *init_method_data) | |
699 | { | |
700 | int ret = 0; | |
701 | struct dmesg_component *dmesg_comp = g_new0(struct dmesg_component, 1); | |
702 | enum bt_component_status status = BT_COMPONENT_STATUS_OK; | |
703 | ||
704 | if (!dmesg_comp) { | |
33ec5dfa | 705 | BT_LOGE_STR("Failed to allocate one dmesg component structure."); |
d8866baa PP |
706 | goto error; |
707 | } | |
708 | ||
709 | dmesg_comp->params.path = g_string_new(NULL); | |
710 | if (!dmesg_comp->params.path) { | |
33ec5dfa | 711 | BT_LOGE_STR("Failed to allocate a GString."); |
d8866baa PP |
712 | goto error; |
713 | } | |
714 | ||
33ec5dfa | 715 | ret = handle_params(dmesg_comp, params); |
d8866baa | 716 | if (ret) { |
33ec5dfa | 717 | BT_LOGE("Invalid parameters: comp-addr=%p", priv_comp); |
d8866baa PP |
718 | goto error; |
719 | } | |
720 | ||
33ec5dfa PP |
721 | if (!dmesg_comp->params.read_from_stdin && |
722 | !g_file_test(dmesg_comp->params.path->str, | |
723 | G_FILE_TEST_IS_REGULAR)) { | |
724 | BT_LOGE("Input path is not a regular file: " | |
725 | "comp-addr=%p, path=\"%s\"", priv_comp, | |
726 | dmesg_comp->params.path->str); | |
727 | goto error; | |
728 | } | |
d8866baa | 729 | |
33ec5dfa PP |
730 | status = create_port(priv_comp); |
731 | if (status != BT_COMPONENT_STATUS_OK) { | |
732 | goto error; | |
733 | } | |
d8866baa | 734 | |
33ec5dfa | 735 | (void) bt_private_component_set_user_data(priv_comp, dmesg_comp); |
d8866baa PP |
736 | goto end; |
737 | ||
738 | error: | |
739 | destroy_dmesg_component(dmesg_comp); | |
33ec5dfa PP |
740 | (void) bt_private_component_set_user_data(priv_comp, NULL); |
741 | ||
742 | if (status >= 0) { | |
743 | status = BT_COMPONENT_STATUS_ERROR; | |
744 | } | |
d8866baa PP |
745 | |
746 | end: | |
747 | return status; | |
748 | } | |
749 | ||
750 | BT_HIDDEN | |
751 | void dmesg_finalize(struct bt_private_component *priv_comp) | |
752 | { | |
33ec5dfa PP |
753 | void *data = bt_private_component_get_user_data(priv_comp); |
754 | ||
755 | destroy_dmesg_component(data); | |
756 | } | |
757 | ||
758 | static | |
759 | int create_event_header_from_line( | |
760 | struct dmesg_component *dmesg_comp, | |
761 | const char *line, const char **new_start, | |
50842bdc PP |
762 | struct bt_field **user_field, |
763 | struct bt_clock_value **user_clock_value) | |
33ec5dfa PP |
764 | { |
765 | bool has_timestamp = false; | |
766 | unsigned long sec, usec, msec; | |
767 | unsigned int year, mon, mday, hour, min; | |
768 | uint64_t ts = 0; | |
50842bdc PP |
769 | struct bt_clock_value *clock_value = NULL; |
770 | struct bt_field_type *ft = NULL; | |
771 | struct bt_field *eh_field = NULL; | |
772 | struct bt_field *ts_field = NULL; | |
33ec5dfa PP |
773 | int ret = 0; |
774 | ||
775 | assert(user_clock_value); | |
776 | assert(user_field); | |
777 | *new_start = line; | |
778 | ||
707b323a PP |
779 | if (dmesg_comp->params.no_timestamp) { |
780 | goto skip_ts; | |
781 | } | |
782 | ||
33ec5dfa PP |
783 | /* Extract time from input line */ |
784 | if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) { | |
785 | ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; | |
786 | ||
787 | /* | |
788 | * The clock class we use has a 1 GHz frequency: convert | |
789 | * from µs to ns. | |
790 | */ | |
791 | ts *= NSEC_PER_USEC; | |
792 | has_timestamp = true; | |
793 | } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ", | |
794 | &year, &mon, &mday, &hour, &min, | |
795 | &sec, &msec) == 7) { | |
796 | time_t ep_sec; | |
797 | struct tm ti; | |
798 | ||
799 | memset(&ti, 0, sizeof(ti)); | |
800 | ti.tm_year = year - 1900; /* From 1900 */ | |
801 | ti.tm_mon = mon - 1; /* 0 to 11 */ | |
802 | ti.tm_mday = mday; | |
803 | ti.tm_hour = hour; | |
804 | ti.tm_min = min; | |
805 | ti.tm_sec = sec; | |
806 | ||
807 | ep_sec = bt_timegm(&ti); | |
808 | if (ep_sec != (time_t) -1) { | |
809 | ts = (uint64_t) ep_sec * NSEC_PER_SEC | |
810 | + (uint64_t) msec * NSEC_PER_MSEC; | |
811 | } | |
812 | ||
813 | has_timestamp = true; | |
814 | } | |
815 | ||
816 | if (has_timestamp) { | |
817 | /* Set new start for the message portion of the line */ | |
818 | *new_start = strchr(line, ']'); | |
819 | assert(*new_start); | |
820 | (*new_start)++; | |
821 | ||
822 | if ((*new_start)[0] == ' ') { | |
823 | (*new_start)++; | |
824 | } | |
825 | } | |
826 | ||
707b323a | 827 | skip_ts: |
33ec5dfa PP |
828 | /* |
829 | * At this point, we know if the stream class's event header | |
830 | * field type should have a timestamp or not, so we can lazily | |
831 | * create the metadata, stream, and packet objects. | |
832 | */ | |
833 | ret = try_create_meta_stream_packet(dmesg_comp, has_timestamp); | |
834 | if (ret) { | |
835 | /* try_create_meta_stream_packet() logs errors */ | |
836 | goto error; | |
837 | } | |
838 | ||
839 | if (dmesg_comp->clock_class) { | |
50842bdc | 840 | clock_value = bt_clock_value_create(dmesg_comp->clock_class, |
33ec5dfa PP |
841 | ts); |
842 | if (!clock_value) { | |
843 | BT_LOGE_STR("Cannot create clock value object."); | |
844 | goto error; | |
845 | } | |
846 | ||
50842bdc | 847 | ft = bt_stream_class_get_event_header_type( |
33ec5dfa PP |
848 | dmesg_comp->stream_class); |
849 | assert(ft); | |
50842bdc | 850 | eh_field = bt_field_create(ft); |
33ec5dfa PP |
851 | if (!eh_field) { |
852 | BT_LOGE_STR("Cannot create event header field object."); | |
853 | goto error; | |
854 | } | |
855 | ||
50842bdc | 856 | ts_field = bt_field_structure_get_field_by_name(eh_field, |
33ec5dfa PP |
857 | "timestamp"); |
858 | if (!ts_field) { | |
859 | BT_LOGE_STR("Cannot get `timestamp` field from structure field."); | |
860 | goto error; | |
861 | } | |
862 | ||
50842bdc | 863 | ret = bt_field_unsigned_integer_set_value(ts_field, ts); |
33ec5dfa PP |
864 | if (ret) { |
865 | BT_LOGE_STR("Cannot set integer field's value."); | |
866 | goto error; | |
867 | } | |
868 | ||
869 | *user_clock_value = clock_value; | |
870 | clock_value = NULL; | |
871 | *user_field = eh_field; | |
872 | eh_field = NULL; | |
873 | } | |
874 | ||
875 | goto end; | |
876 | ||
877 | error: | |
878 | ret = -1; | |
879 | ||
880 | end: | |
881 | bt_put(ft); | |
882 | bt_put(ts_field); | |
883 | bt_put(clock_value); | |
884 | bt_put(eh_field); | |
885 | return ret; | |
886 | } | |
887 | ||
888 | static | |
889 | int create_event_payload_from_line( | |
890 | struct dmesg_component *dmesg_comp, | |
50842bdc | 891 | const char *line, struct bt_field **user_field) |
33ec5dfa | 892 | { |
50842bdc PP |
893 | struct bt_field_type *ft = NULL; |
894 | struct bt_field *ep_field = NULL; | |
895 | struct bt_field *str_field = NULL; | |
33ec5dfa PP |
896 | size_t len; |
897 | int ret; | |
898 | ||
899 | assert(user_field); | |
50842bdc | 900 | ft = bt_event_class_get_payload_type(dmesg_comp->event_class); |
33ec5dfa | 901 | assert(ft); |
50842bdc | 902 | ep_field = bt_field_create(ft); |
33ec5dfa PP |
903 | if (!ep_field) { |
904 | BT_LOGE_STR("Cannot create event payload field object."); | |
905 | goto error; | |
906 | } | |
907 | ||
50842bdc | 908 | str_field = bt_field_structure_get_field_by_name(ep_field, "str"); |
33ec5dfa PP |
909 | if (!str_field) { |
910 | BT_LOGE_STR("Cannot get `timestamp` field from structure field."); | |
911 | goto error; | |
912 | } | |
913 | ||
914 | len = strlen(line); | |
915 | if (line[len - 1] == '\n') { | |
916 | /* Do not include the newline character in the payload */ | |
917 | len--; | |
918 | } | |
919 | ||
50842bdc | 920 | ret = bt_field_string_append_len(str_field, line, len); |
33ec5dfa PP |
921 | if (ret) { |
922 | BT_LOGE("Cannot append value to string field object: " | |
923 | "len=%zu", len); | |
924 | goto error; | |
925 | } | |
926 | ||
927 | *user_field = ep_field; | |
928 | ep_field = NULL; | |
929 | goto end; | |
930 | ||
931 | error: | |
932 | ret = -1; | |
933 | ||
934 | end: | |
935 | bt_put(ft); | |
936 | bt_put(ep_field); | |
937 | bt_put(str_field); | |
938 | return ret; | |
939 | } | |
940 | ||
941 | static | |
942 | struct bt_notification *create_notif_from_line( | |
943 | struct dmesg_component *dmesg_comp, const char *line) | |
944 | { | |
50842bdc PP |
945 | struct bt_field *eh_field = NULL; |
946 | struct bt_field *ep_field = NULL; | |
947 | struct bt_clock_value *clock_value = NULL; | |
948 | struct bt_event *event = NULL; | |
33ec5dfa PP |
949 | struct bt_notification *notif = NULL; |
950 | const char *new_start; | |
951 | int ret; | |
952 | ||
953 | ret = create_event_header_from_line(dmesg_comp, line, &new_start, | |
954 | &eh_field, &clock_value); | |
955 | if (ret) { | |
956 | BT_LOGE("Cannot create event header field from line: " | |
957 | "ret=%d", ret); | |
958 | goto error; | |
959 | } | |
960 | ||
961 | ret = create_event_payload_from_line(dmesg_comp, new_start, | |
962 | &ep_field); | |
963 | if (ret) { | |
964 | BT_LOGE("Cannot create event payload field from line: " | |
965 | "ret=%d", ret); | |
966 | goto error; | |
967 | } | |
968 | ||
969 | assert(ep_field); | |
50842bdc | 970 | event = bt_event_create(dmesg_comp->event_class); |
33ec5dfa PP |
971 | if (!event) { |
972 | BT_LOGE_STR("Cannot create event object."); | |
973 | goto error; | |
974 | } | |
975 | ||
50842bdc | 976 | ret = bt_event_set_packet(event, dmesg_comp->packet); |
33ec5dfa PP |
977 | if (ret) { |
978 | BT_LOGE_STR("Cannot set event's packet."); | |
979 | goto error; | |
980 | } | |
981 | ||
982 | if (eh_field) { | |
50842bdc | 983 | ret = bt_event_set_header(event, eh_field); |
33ec5dfa PP |
984 | if (ret) { |
985 | BT_LOGE_STR("Cannot set event's header field."); | |
986 | goto error; | |
987 | } | |
988 | } | |
989 | ||
50842bdc | 990 | ret = bt_event_set_event_payload(event, ep_field); |
33ec5dfa PP |
991 | if (ret) { |
992 | BT_LOGE_STR("Cannot set event's payload field."); | |
993 | goto error; | |
994 | } | |
995 | ||
996 | if (clock_value) { | |
50842bdc | 997 | ret = bt_event_set_clock_value(event, clock_value); |
33ec5dfa PP |
998 | if (ret) { |
999 | BT_LOGE_STR("Cannot set event's clock value."); | |
1000 | goto error; | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | notif = bt_notification_event_create(event, dmesg_comp->cc_prio_map); | |
1005 | if (!notif) { | |
1006 | BT_LOGE_STR("Cannot create event notification."); | |
1007 | goto error; | |
1008 | } | |
1009 | ||
1010 | goto end; | |
1011 | ||
1012 | error: | |
1013 | BT_PUT(notif); | |
1014 | ||
1015 | end: | |
1016 | bt_put(eh_field); | |
1017 | bt_put(ep_field); | |
1018 | bt_put(clock_value); | |
1019 | bt_put(event); | |
1020 | return notif; | |
1021 | } | |
1022 | ||
1023 | static | |
1024 | void destroy_dmesg_notif_iter(struct dmesg_notif_iter *dmesg_notif_iter) | |
1025 | { | |
1026 | if (!dmesg_notif_iter) { | |
1027 | return; | |
1028 | } | |
1029 | ||
1030 | if (dmesg_notif_iter->fp && dmesg_notif_iter->fp != stdin) { | |
1031 | if (fclose(dmesg_notif_iter->fp)) { | |
1032 | BT_LOGE_ERRNO("Cannot close input file", "."); | |
1033 | } | |
1034 | } | |
d8866baa | 1035 | |
33ec5dfa PP |
1036 | free(dmesg_notif_iter->linebuf); |
1037 | g_free(dmesg_notif_iter); | |
d8866baa PP |
1038 | } |
1039 | ||
1040 | BT_HIDDEN | |
1041 | enum bt_notification_iterator_status dmesg_notif_iter_init( | |
90157d89 | 1042 | struct bt_private_connection_private_notification_iterator *priv_notif_iter, |
d8866baa PP |
1043 | struct bt_private_port *priv_port) |
1044 | { | |
33ec5dfa PP |
1045 | struct bt_private_component *priv_comp = NULL; |
1046 | struct dmesg_component *dmesg_comp; | |
1047 | struct dmesg_notif_iter *dmesg_notif_iter = | |
1048 | g_new0(struct dmesg_notif_iter, 1); | |
1049 | enum bt_notification_iterator_status status = | |
1050 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
1051 | ||
1052 | if (!dmesg_notif_iter) { | |
1053 | BT_LOGE_STR("Failed to allocate on dmesg notification iterator structure."); | |
1054 | goto error; | |
1055 | } | |
1056 | ||
90157d89 | 1057 | priv_comp = bt_private_connection_private_notification_iterator_get_private_component( |
33ec5dfa PP |
1058 | priv_notif_iter); |
1059 | assert(priv_comp); | |
1060 | dmesg_comp = bt_private_component_get_user_data(priv_comp); | |
1061 | assert(dmesg_comp); | |
1062 | dmesg_notif_iter->dmesg_comp = dmesg_comp; | |
d8866baa | 1063 | |
33ec5dfa PP |
1064 | if (dmesg_comp->params.read_from_stdin) { |
1065 | dmesg_notif_iter->fp = stdin; | |
1066 | } else { | |
1067 | dmesg_notif_iter->fp = fopen(dmesg_comp->params.path->str, "r"); | |
1068 | if (!dmesg_notif_iter->fp) { | |
1069 | BT_LOGE_ERRNO("Cannot open input file in read mode", ": path=\"%s\"", | |
1070 | dmesg_comp->params.path->str); | |
1071 | goto error; | |
1072 | } | |
1073 | } | |
1074 | ||
90157d89 | 1075 | (void) bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
33ec5dfa PP |
1076 | dmesg_notif_iter); |
1077 | goto end; | |
1078 | ||
1079 | error: | |
1080 | destroy_dmesg_notif_iter(dmesg_notif_iter); | |
90157d89 | 1081 | (void) bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter, |
33ec5dfa PP |
1082 | NULL); |
1083 | if (status >= 0) { | |
1084 | status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1085 | } | |
1086 | ||
1087 | end: | |
1088 | bt_put(priv_comp); | |
1089 | return status; | |
d8866baa PP |
1090 | } |
1091 | ||
1092 | BT_HIDDEN | |
33ec5dfa | 1093 | void dmesg_notif_iter_finalize( |
90157d89 | 1094 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) |
d8866baa | 1095 | { |
90157d89 | 1096 | destroy_dmesg_notif_iter(bt_private_connection_private_notification_iterator_get_user_data( |
33ec5dfa | 1097 | priv_notif_iter)); |
d8866baa PP |
1098 | } |
1099 | ||
1100 | BT_HIDDEN | |
90157d89 PP |
1101 | struct bt_notification_iterator_next_method_return dmesg_notif_iter_next( |
1102 | struct bt_private_connection_private_notification_iterator *priv_notif_iter) | |
d8866baa | 1103 | { |
33ec5dfa PP |
1104 | ssize_t len; |
1105 | struct dmesg_notif_iter *dmesg_notif_iter = | |
90157d89 | 1106 | bt_private_connection_private_notification_iterator_get_user_data( |
33ec5dfa PP |
1107 | priv_notif_iter); |
1108 | struct dmesg_component *dmesg_comp; | |
90157d89 | 1109 | struct bt_notification_iterator_next_method_return next_ret = { |
33ec5dfa PP |
1110 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, |
1111 | .notification = NULL | |
1112 | }; | |
d8866baa | 1113 | |
33ec5dfa PP |
1114 | assert(dmesg_notif_iter); |
1115 | dmesg_comp = dmesg_notif_iter->dmesg_comp; | |
1116 | assert(dmesg_comp); | |
1117 | ||
1118 | while (true) { | |
1119 | const char *ch; | |
1120 | bool only_spaces = true; | |
1121 | ||
1122 | len = bt_getline(&dmesg_notif_iter->linebuf, | |
1123 | &dmesg_notif_iter->linebuf_len, dmesg_notif_iter->fp); | |
1124 | if (len < 0) { | |
1125 | if (errno == EINVAL) { | |
1126 | next_ret.status = | |
1127 | BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
1128 | } else if (errno == ENOMEM) { | |
1129 | next_ret.status = | |
1130 | BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
1131 | } else { | |
1132 | next_ret.status = | |
1133 | BT_NOTIFICATION_ITERATOR_STATUS_END; | |
1134 | } | |
1135 | ||
1136 | goto end; | |
1137 | } | |
1138 | ||
1139 | assert(dmesg_notif_iter->linebuf); | |
1140 | ||
1141 | /* Ignore empty lines, once trimmed */ | |
1142 | for (ch = dmesg_notif_iter->linebuf; *ch != '\0'; ch++) { | |
1143 | if (!isspace(*ch)) { | |
1144 | only_spaces = false; | |
1145 | break; | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | if (!only_spaces) { | |
1150 | break; | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | next_ret.notification = create_notif_from_line(dmesg_comp, | |
1155 | dmesg_notif_iter->linebuf); | |
1156 | if (!next_ret.notification) { | |
1157 | BT_LOGE("Cannot create event notification from line: " | |
1158 | "dmesg-comp-addr=%p, line=\"%s\"", dmesg_comp, | |
1159 | dmesg_notif_iter->linebuf); | |
1160 | } | |
1161 | ||
1162 | end: | |
1163 | return next_ret; | |
d8866baa | 1164 | } |