Commit | Line | Data |
---|---|---|
d8866baa PP |
1 | /* |
2 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation | |
d94d92ac | 3 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
d8866baa PP |
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 | ||
caedbbee | 24 | #define BT_LOG_OUTPUT_LEVEL (dmesg_comp->log_level) |
350ad6c1 | 25 | #define BT_LOG_TAG "PLUGIN/SRC.TEXT.DMESG" |
caedbbee | 26 | #include "logging/log.h" |
33ec5dfa | 27 | |
d8866baa | 28 | #include <stdbool.h> |
33ec5dfa PP |
29 | #include <string.h> |
30 | #include <ctype.h> | |
d8866baa | 31 | #include <stdio.h> |
578e048b | 32 | #include "common/common.h" |
caedbbee | 33 | #include "common/assert.h" |
3fadfbc0 | 34 | #include <babeltrace2/babeltrace.h> |
578e048b MJ |
35 | #include "compat/utc.h" |
36 | #include "compat/stdio.h" | |
d8866baa PP |
37 | #include <glib.h> |
38 | ||
33ec5dfa PP |
39 | #define NSEC_PER_USEC 1000UL |
40 | #define NSEC_PER_MSEC 1000000UL | |
41 | #define NSEC_PER_SEC 1000000000ULL | |
42 | #define USEC_PER_SEC 1000000UL | |
43 | ||
d8866baa PP |
44 | struct dmesg_component; |
45 | ||
d6e69534 | 46 | struct dmesg_msg_iter { |
d8866baa | 47 | struct dmesg_component *dmesg_comp; |
d6e69534 | 48 | bt_self_message_iterator *pc_msg_iter; /* Weak */ |
33ec5dfa PP |
49 | char *linebuf; |
50 | size_t linebuf_len; | |
d8866baa | 51 | FILE *fp; |
d6e69534 | 52 | bt_message *tmp_event_msg; |
a6d85d2f | 53 | uint64_t last_clock_value; |
312c056a PP |
54 | |
55 | enum { | |
56 | STATE_EMIT_STREAM_BEGINNING, | |
a59806b7 | 57 | STATE_EMIT_STREAM_ACTIVITY_BEGINNING, |
312c056a PP |
58 | STATE_EMIT_PACKET_BEGINNING, |
59 | STATE_EMIT_EVENT, | |
60 | STATE_EMIT_PACKET_END, | |
a59806b7 | 61 | STATE_EMIT_STREAM_ACTIVITY_END, |
312c056a PP |
62 | STATE_EMIT_STREAM_END, |
63 | STATE_DONE, | |
64 | } state; | |
d8866baa PP |
65 | }; |
66 | ||
67 | struct dmesg_component { | |
caedbbee PP |
68 | bt_logging_level log_level; |
69 | ||
d8866baa PP |
70 | struct { |
71 | GString *path; | |
33ec5dfa | 72 | bt_bool read_from_stdin; |
707b323a | 73 | bt_bool no_timestamp; |
d8866baa PP |
74 | } params; |
75 | ||
41693723 | 76 | bt_self_component_source *self_comp; |
b19ff26f PP |
77 | bt_trace_class *trace_class; |
78 | bt_stream_class *stream_class; | |
79 | bt_event_class *event_class; | |
80 | bt_trace *trace; | |
81 | bt_stream *stream; | |
82 | bt_packet *packet; | |
83 | bt_clock_class *clock_class; | |
d8866baa PP |
84 | }; |
85 | ||
33ec5dfa | 86 | static |
caedbbee PP |
87 | bt_field_class *create_event_payload_fc(struct dmesg_component *dmesg_comp, |
88 | bt_trace_class *trace_class) | |
33ec5dfa | 89 | { |
b19ff26f PP |
90 | bt_field_class *root_fc = NULL; |
91 | bt_field_class *fc = NULL; | |
33ec5dfa PP |
92 | int ret; |
93 | ||
1122a43a | 94 | root_fc = bt_field_class_structure_create(trace_class); |
5cd6d0e5 PP |
95 | if (!root_fc) { |
96 | BT_LOGE_STR("Cannot create an empty structure field class object."); | |
33ec5dfa PP |
97 | goto error; |
98 | } | |
99 | ||
1122a43a | 100 | fc = bt_field_class_string_create(trace_class); |
5cd6d0e5 PP |
101 | if (!fc) { |
102 | BT_LOGE_STR("Cannot create a string field class object."); | |
33ec5dfa PP |
103 | goto error; |
104 | } | |
105 | ||
40f4ba76 | 106 | ret = bt_field_class_structure_append_member(root_fc, |
e5be10ef | 107 | "str", fc); |
33ec5dfa | 108 | if (ret) { |
5cd6d0e5 | 109 | BT_LOGE("Cannot add `str` member to structure field class: " |
33ec5dfa PP |
110 | "ret=%d", ret); |
111 | goto error; | |
112 | } | |
113 | ||
114 | goto end; | |
115 | ||
116 | error: | |
c5b9b441 | 117 | BT_FIELD_CLASS_PUT_REF_AND_RESET(root_fc); |
33ec5dfa PP |
118 | |
119 | end: | |
c5b9b441 | 120 | bt_field_class_put_ref(fc); |
5cd6d0e5 | 121 | return root_fc; |
33ec5dfa PP |
122 | } |
123 | ||
33ec5dfa PP |
124 | static |
125 | int create_meta(struct dmesg_component *dmesg_comp, bool has_ts) | |
126 | { | |
b19ff26f | 127 | bt_field_class *fc = NULL; |
d8866baa PP |
128 | int ret = 0; |
129 | ||
41693723 PP |
130 | dmesg_comp->trace_class = bt_trace_class_create( |
131 | bt_self_component_source_as_self_component( | |
132 | dmesg_comp->self_comp)); | |
862ca4ed PP |
133 | if (!dmesg_comp->trace_class) { |
134 | BT_LOGE_STR("Cannot create an empty trace class object."); | |
33ec5dfa PP |
135 | goto error; |
136 | } | |
137 | ||
40f4ba76 | 138 | dmesg_comp->stream_class = bt_stream_class_create( |
862ca4ed | 139 | dmesg_comp->trace_class); |
33ec5dfa | 140 | if (!dmesg_comp->stream_class) { |
44c440bc | 141 | BT_LOGE_STR("Cannot create a stream class object."); |
33ec5dfa PP |
142 | goto error; |
143 | } | |
144 | ||
33ec5dfa | 145 | if (has_ts) { |
0f2d58c9 | 146 | dmesg_comp->clock_class = bt_clock_class_create( |
7fcdb0a9 FD |
147 | bt_self_component_source_as_self_component( |
148 | dmesg_comp->self_comp)); | |
33ec5dfa PP |
149 | if (!dmesg_comp->clock_class) { |
150 | BT_LOGE_STR("Cannot create clock class."); | |
151 | goto error; | |
152 | } | |
153 | ||
21029722 | 154 | /* |
5552377a PP |
155 | * The `dmesg` timestamp's origin is not the Unix epoch, |
156 | * it's the boot time. | |
21029722 | 157 | */ |
5552377a | 158 | bt_clock_class_set_origin_is_unix_epoch(dmesg_comp->clock_class, |
21029722 PP |
159 | BT_FALSE); |
160 | ||
40f4ba76 PP |
161 | ret = bt_stream_class_set_default_clock_class( |
162 | dmesg_comp->stream_class, dmesg_comp->clock_class); | |
33ec5dfa | 163 | if (ret) { |
44c440bc | 164 | BT_LOGE_STR("Cannot set stream class's default clock class."); |
33ec5dfa PP |
165 | goto error; |
166 | } | |
649934d2 | 167 | |
9b24b6aa | 168 | bt_stream_class_set_packets_have_beginning_default_clock_snapshot( |
649934d2 | 169 | dmesg_comp->stream_class, BT_TRUE); |
9b24b6aa | 170 | bt_stream_class_set_packets_have_end_default_clock_snapshot( |
649934d2 | 171 | dmesg_comp->stream_class, BT_TRUE); |
33ec5dfa PP |
172 | } |
173 | ||
40f4ba76 | 174 | dmesg_comp->event_class = bt_event_class_create( |
44c440bc | 175 | dmesg_comp->stream_class); |
33ec5dfa | 176 | if (!dmesg_comp->event_class) { |
44c440bc PP |
177 | BT_LOGE_STR("Cannot create an event class object."); |
178 | goto error; | |
179 | } | |
180 | ||
40f4ba76 | 181 | ret = bt_event_class_set_name(dmesg_comp->event_class, "string"); |
44c440bc PP |
182 | if (ret) { |
183 | BT_LOGE_STR("Cannot set event class's name."); | |
33ec5dfa PP |
184 | goto error; |
185 | } | |
186 | ||
caedbbee | 187 | fc = create_event_payload_fc(dmesg_comp, dmesg_comp->trace_class); |
5cd6d0e5 PP |
188 | if (!fc) { |
189 | BT_LOGE_STR("Cannot create event payload field class."); | |
d8866baa PP |
190 | goto error; |
191 | } | |
192 | ||
40f4ba76 | 193 | ret = bt_event_class_set_payload_field_class(dmesg_comp->event_class, fc); |
33ec5dfa | 194 | if (ret) { |
5cd6d0e5 | 195 | BT_LOGE_STR("Cannot set event class's event payload field class."); |
33ec5dfa PP |
196 | goto error; |
197 | } | |
198 | ||
33ec5dfa PP |
199 | goto end; |
200 | ||
201 | error: | |
202 | ret = -1; | |
203 | ||
204 | end: | |
c5b9b441 | 205 | bt_field_class_put_ref(fc); |
33ec5dfa PP |
206 | return ret; |
207 | } | |
208 | ||
209 | static | |
05e21286 | 210 | int handle_params(struct dmesg_component *dmesg_comp, |
b19ff26f | 211 | const bt_value *params) |
33ec5dfa | 212 | { |
b19ff26f PP |
213 | const bt_value *no_timestamp = NULL; |
214 | const bt_value *path = NULL; | |
33ec5dfa PP |
215 | const char *path_str; |
216 | int ret = 0; | |
217 | ||
05e21286 | 218 | no_timestamp = bt_value_map_borrow_entry_value_const(params, |
07208d85 | 219 | "no-extract-timestamp"); |
707b323a PP |
220 | if (no_timestamp) { |
221 | if (!bt_value_is_bool(no_timestamp)) { | |
222 | BT_LOGE("Expecting a boolean value for the `no-extract-timestamp` parameter: " | |
223 | "type=%s", | |
da91b29a | 224 | bt_common_value_type_string( |
707b323a PP |
225 | bt_value_get_type(no_timestamp))); |
226 | goto error; | |
227 | } | |
228 | ||
601b0d3c PP |
229 | dmesg_comp->params.no_timestamp = |
230 | bt_value_bool_get(no_timestamp); | |
707b323a PP |
231 | } |
232 | ||
05e21286 | 233 | path = bt_value_map_borrow_entry_value_const(params, "path"); |
d8866baa PP |
234 | if (path) { |
235 | if (dmesg_comp->params.read_from_stdin) { | |
33ec5dfa | 236 | BT_LOGE_STR("Cannot specify both `read-from-stdin` and `path` parameters."); |
d8866baa PP |
237 | goto error; |
238 | } | |
239 | ||
240 | if (!bt_value_is_string(path)) { | |
33ec5dfa PP |
241 | BT_LOGE("Expecting a string value for the `path` parameter: " |
242 | "type=%s", | |
da91b29a | 243 | bt_common_value_type_string( |
33ec5dfa | 244 | bt_value_get_type(path))); |
d8866baa PP |
245 | goto error; |
246 | } | |
247 | ||
601b0d3c | 248 | path_str = bt_value_string_get(path); |
d8866baa PP |
249 | g_string_assign(dmesg_comp->params.path, path_str); |
250 | } else { | |
4da23e31 | 251 | dmesg_comp->params.read_from_stdin = true; |
d8866baa PP |
252 | } |
253 | ||
254 | goto end; | |
255 | ||
256 | error: | |
257 | ret = -1; | |
258 | ||
259 | end: | |
d8866baa PP |
260 | return ret; |
261 | } | |
262 | ||
33ec5dfa | 263 | static |
862ca4ed | 264 | int create_packet_and_stream_and_trace(struct dmesg_component *dmesg_comp) |
33ec5dfa PP |
265 | { |
266 | int ret = 0; | |
e54986cf | 267 | const char *trace_name = NULL; |
862ca4ed PP |
268 | gchar *basename = NULL; |
269 | ||
270 | dmesg_comp->trace = bt_trace_create(dmesg_comp->trace_class); | |
271 | if (!dmesg_comp->trace) { | |
272 | BT_LOGE_STR("Cannot create trace object."); | |
273 | goto error; | |
274 | } | |
33ec5dfa | 275 | |
862ca4ed PP |
276 | if (dmesg_comp->params.read_from_stdin) { |
277 | trace_name = "STDIN"; | |
278 | } else { | |
279 | basename = g_path_get_basename(dmesg_comp->params.path->str); | |
280 | BT_ASSERT(basename); | |
281 | ||
282 | if (strcmp(basename, G_DIR_SEPARATOR_S) != 0 && | |
283 | strcmp(basename, ".") != 0) { | |
284 | trace_name = basename; | |
285 | } | |
286 | } | |
287 | ||
288 | if (trace_name) { | |
289 | ret = bt_trace_set_name(dmesg_comp->trace, trace_name); | |
290 | if (ret) { | |
291 | BT_LOGE("Cannot set trace's name: name=\"%s\"", | |
292 | trace_name); | |
293 | goto error; | |
294 | } | |
295 | } | |
296 | ||
297 | dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class, | |
298 | dmesg_comp->trace); | |
33ec5dfa PP |
299 | if (!dmesg_comp->stream) { |
300 | BT_LOGE_STR("Cannot create stream object."); | |
301 | goto error; | |
302 | } | |
303 | ||
40f4ba76 | 304 | dmesg_comp->packet = bt_packet_create(dmesg_comp->stream); |
33ec5dfa PP |
305 | if (!dmesg_comp->packet) { |
306 | BT_LOGE_STR("Cannot create packet object."); | |
307 | goto error; | |
308 | } | |
309 | ||
33ec5dfa PP |
310 | goto end; |
311 | ||
312 | error: | |
313 | ret = -1; | |
314 | ||
315 | end: | |
862ca4ed PP |
316 | if (basename) { |
317 | g_free(basename); | |
318 | } | |
319 | ||
33ec5dfa PP |
320 | return ret; |
321 | } | |
322 | ||
323 | static | |
324 | int try_create_meta_stream_packet(struct dmesg_component *dmesg_comp, | |
325 | bool has_ts) | |
326 | { | |
327 | int ret = 0; | |
328 | ||
329 | if (dmesg_comp->trace) { | |
330 | /* Already created */ | |
331 | goto end; | |
332 | } | |
333 | ||
334 | ret = create_meta(dmesg_comp, has_ts); | |
335 | if (ret) { | |
336 | BT_LOGE("Cannot create metadata objects: dmesg-comp-addr=%p", | |
337 | dmesg_comp); | |
338 | goto error; | |
339 | } | |
340 | ||
862ca4ed | 341 | ret = create_packet_and_stream_and_trace(dmesg_comp); |
33ec5dfa PP |
342 | if (ret) { |
343 | BT_LOGE("Cannot create packet and stream objects: " | |
344 | "dmesg-comp-addr=%p", dmesg_comp); | |
345 | goto error; | |
346 | } | |
347 | ||
348 | goto end; | |
349 | ||
350 | error: | |
351 | ret = -1; | |
352 | ||
353 | end: | |
354 | return ret; | |
355 | } | |
d8866baa PP |
356 | |
357 | static | |
358 | void destroy_dmesg_component(struct dmesg_component *dmesg_comp) | |
359 | { | |
360 | if (!dmesg_comp) { | |
361 | return; | |
362 | } | |
363 | ||
364 | if (dmesg_comp->params.path) { | |
365 | g_string_free(dmesg_comp->params.path, TRUE); | |
366 | } | |
367 | ||
c5b9b441 PP |
368 | bt_packet_put_ref(dmesg_comp->packet); |
369 | bt_trace_put_ref(dmesg_comp->trace); | |
370 | bt_stream_class_put_ref(dmesg_comp->stream_class); | |
371 | bt_event_class_put_ref(dmesg_comp->event_class); | |
372 | bt_stream_put_ref(dmesg_comp->stream); | |
373 | bt_clock_class_put_ref(dmesg_comp->clock_class); | |
8b5bd70c | 374 | bt_trace_class_put_ref(dmesg_comp->trace_class); |
d8866baa PP |
375 | g_free(dmesg_comp); |
376 | } | |
377 | ||
33ec5dfa | 378 | static |
4cdfc5e8 | 379 | bt_self_component_status create_port( |
b19ff26f | 380 | bt_self_component_source *self_comp) |
33ec5dfa | 381 | { |
d94d92ac | 382 | return bt_self_component_source_add_output_port(self_comp, |
33ec5dfa PP |
383 | "out", NULL, NULL); |
384 | } | |
385 | ||
d8866baa | 386 | BT_HIDDEN |
4cdfc5e8 | 387 | bt_self_component_status dmesg_init( |
b19ff26f PP |
388 | bt_self_component_source *self_comp, |
389 | bt_value *params, void *init_method_data) | |
d8866baa PP |
390 | { |
391 | int ret = 0; | |
392 | struct dmesg_component *dmesg_comp = g_new0(struct dmesg_component, 1); | |
4cdfc5e8 | 393 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
caedbbee PP |
394 | const bt_component *comp = bt_self_component_as_component( |
395 | bt_self_component_source_as_self_component(self_comp)); | |
396 | bt_logging_level log_level = bt_component_get_logging_level(comp); | |
d8866baa PP |
397 | |
398 | if (!dmesg_comp) { | |
caedbbee PP |
399 | /* Implicit log level is not available here */ |
400 | BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, BT_LOG_TAG, | |
401 | "Failed to allocate one dmesg component structure."); | |
d8866baa PP |
402 | goto error; |
403 | } | |
404 | ||
caedbbee | 405 | dmesg_comp->log_level = log_level; |
41693723 | 406 | dmesg_comp->self_comp = self_comp; |
d8866baa PP |
407 | dmesg_comp->params.path = g_string_new(NULL); |
408 | if (!dmesg_comp->params.path) { | |
33ec5dfa | 409 | BT_LOGE_STR("Failed to allocate a GString."); |
d8866baa PP |
410 | goto error; |
411 | } | |
412 | ||
33ec5dfa | 413 | ret = handle_params(dmesg_comp, params); |
d8866baa | 414 | if (ret) { |
d94d92ac | 415 | BT_LOGE("Invalid parameters: comp-addr=%p", self_comp); |
d8866baa PP |
416 | goto error; |
417 | } | |
418 | ||
33ec5dfa PP |
419 | if (!dmesg_comp->params.read_from_stdin && |
420 | !g_file_test(dmesg_comp->params.path->str, | |
421 | G_FILE_TEST_IS_REGULAR)) { | |
422 | BT_LOGE("Input path is not a regular file: " | |
d94d92ac | 423 | "comp-addr=%p, path=\"%s\"", self_comp, |
33ec5dfa PP |
424 | dmesg_comp->params.path->str); |
425 | goto error; | |
426 | } | |
d8866baa | 427 | |
d94d92ac PP |
428 | status = create_port(self_comp); |
429 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
33ec5dfa PP |
430 | goto error; |
431 | } | |
d8866baa | 432 | |
d94d92ac | 433 | bt_self_component_set_data( |
707b7d35 | 434 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 435 | dmesg_comp); |
caedbbee PP |
436 | BT_LOGI("`src.text.dmesg` component initialized: name=\"%s\"", |
437 | bt_component_get_name(comp)); | |
d8866baa PP |
438 | goto end; |
439 | ||
440 | error: | |
441 | destroy_dmesg_component(dmesg_comp); | |
d94d92ac | 442 | bt_self_component_set_data( |
707b7d35 | 443 | bt_self_component_source_as_self_component(self_comp), |
d94d92ac | 444 | NULL); |
33ec5dfa PP |
445 | |
446 | if (status >= 0) { | |
d94d92ac | 447 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
33ec5dfa | 448 | } |
d8866baa PP |
449 | |
450 | end: | |
451 | return status; | |
452 | } | |
453 | ||
454 | BT_HIDDEN | |
b19ff26f | 455 | void dmesg_finalize(bt_self_component_source *self_comp) |
d8866baa | 456 | { |
d94d92ac | 457 | destroy_dmesg_component(bt_self_component_get_data( |
707b7d35 | 458 | bt_self_component_source_as_self_component(self_comp))); |
33ec5dfa PP |
459 | } |
460 | ||
461 | static | |
d6e69534 PP |
462 | bt_message *create_init_event_msg_from_line( |
463 | struct dmesg_msg_iter *msg_iter, | |
312c056a | 464 | const char *line, const char **new_start) |
33ec5dfa | 465 | { |
b19ff26f | 466 | bt_event *event; |
d6e69534 | 467 | bt_message *msg = NULL; |
33ec5dfa PP |
468 | bool has_timestamp = false; |
469 | unsigned long sec, usec, msec; | |
470 | unsigned int year, mon, mday, hour, min; | |
471 | uint64_t ts = 0; | |
33ec5dfa | 472 | int ret = 0; |
d6e69534 | 473 | struct dmesg_component *dmesg_comp = msg_iter->dmesg_comp; |
33ec5dfa | 474 | |
33ec5dfa PP |
475 | *new_start = line; |
476 | ||
707b323a PP |
477 | if (dmesg_comp->params.no_timestamp) { |
478 | goto skip_ts; | |
479 | } | |
480 | ||
33ec5dfa PP |
481 | /* Extract time from input line */ |
482 | if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) { | |
483 | ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; | |
484 | ||
485 | /* | |
486 | * The clock class we use has a 1 GHz frequency: convert | |
487 | * from µs to ns. | |
488 | */ | |
489 | ts *= NSEC_PER_USEC; | |
490 | has_timestamp = true; | |
491 | } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ", | |
492 | &year, &mon, &mday, &hour, &min, | |
493 | &sec, &msec) == 7) { | |
494 | time_t ep_sec; | |
495 | struct tm ti; | |
496 | ||
497 | memset(&ti, 0, sizeof(ti)); | |
498 | ti.tm_year = year - 1900; /* From 1900 */ | |
499 | ti.tm_mon = mon - 1; /* 0 to 11 */ | |
500 | ti.tm_mday = mday; | |
501 | ti.tm_hour = hour; | |
502 | ti.tm_min = min; | |
503 | ti.tm_sec = sec; | |
504 | ||
505 | ep_sec = bt_timegm(&ti); | |
506 | if (ep_sec != (time_t) -1) { | |
507 | ts = (uint64_t) ep_sec * NSEC_PER_SEC | |
508 | + (uint64_t) msec * NSEC_PER_MSEC; | |
509 | } | |
510 | ||
511 | has_timestamp = true; | |
512 | } | |
513 | ||
514 | if (has_timestamp) { | |
515 | /* Set new start for the message portion of the line */ | |
516 | *new_start = strchr(line, ']'); | |
f6ccaed9 | 517 | BT_ASSERT(*new_start); |
33ec5dfa PP |
518 | (*new_start)++; |
519 | ||
520 | if ((*new_start)[0] == ' ') { | |
521 | (*new_start)++; | |
522 | } | |
523 | } | |
524 | ||
707b323a | 525 | skip_ts: |
33ec5dfa PP |
526 | /* |
527 | * At this point, we know if the stream class's event header | |
5cd6d0e5 | 528 | * field class should have a timestamp or not, so we can lazily |
33ec5dfa PP |
529 | * create the metadata, stream, and packet objects. |
530 | */ | |
531 | ret = try_create_meta_stream_packet(dmesg_comp, has_timestamp); | |
532 | if (ret) { | |
533 | /* try_create_meta_stream_packet() logs errors */ | |
534 | goto error; | |
535 | } | |
536 | ||
2c091c04 PP |
537 | if (dmesg_comp->clock_class) { |
538 | msg = bt_message_event_create_with_default_clock_snapshot( | |
539 | msg_iter->pc_msg_iter, | |
540 | dmesg_comp->event_class, dmesg_comp->packet, ts); | |
541 | msg_iter->last_clock_value = ts; | |
542 | } else { | |
543 | msg = bt_message_event_create(msg_iter->pc_msg_iter, | |
544 | dmesg_comp->event_class, dmesg_comp->packet); | |
545 | } | |
546 | ||
d6e69534 PP |
547 | if (!msg) { |
548 | BT_LOGE_STR("Cannot create event message."); | |
312c056a PP |
549 | goto error; |
550 | } | |
33ec5dfa | 551 | |
d6e69534 | 552 | event = bt_message_event_borrow_event(msg); |
312c056a | 553 | BT_ASSERT(event); |
33ec5dfa PP |
554 | goto end; |
555 | ||
556 | error: | |
d6e69534 | 557 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
33ec5dfa PP |
558 | |
559 | end: | |
d6e69534 | 560 | return msg; |
33ec5dfa PP |
561 | } |
562 | ||
563 | static | |
caedbbee PP |
564 | int fill_event_payload_from_line(struct dmesg_component *dmesg_comp, |
565 | const char *line, bt_event *event) | |
33ec5dfa | 566 | { |
b19ff26f PP |
567 | bt_field *ep_field = NULL; |
568 | bt_field *str_field = NULL; | |
33ec5dfa PP |
569 | size_t len; |
570 | int ret; | |
571 | ||
40f4ba76 | 572 | ep_field = bt_event_borrow_payload_field(event); |
312c056a | 573 | BT_ASSERT(ep_field); |
40f4ba76 | 574 | str_field = bt_field_structure_borrow_member_field_by_index( |
e5be10ef | 575 | ep_field, 0); |
33ec5dfa | 576 | if (!str_field) { |
312c056a | 577 | BT_LOGE_STR("Cannot borrow `timestamp` field from event payload structure field."); |
33ec5dfa PP |
578 | goto error; |
579 | } | |
580 | ||
581 | len = strlen(line); | |
582 | if (line[len - 1] == '\n') { | |
583 | /* Do not include the newline character in the payload */ | |
584 | len--; | |
585 | } | |
586 | ||
40f4ba76 | 587 | ret = bt_field_string_clear(str_field); |
312c056a PP |
588 | if (ret) { |
589 | BT_LOGE_STR("Cannot clear string field object."); | |
590 | goto error; | |
591 | } | |
592 | ||
40f4ba76 | 593 | ret = bt_field_string_append_with_length(str_field, line, len); |
33ec5dfa PP |
594 | if (ret) { |
595 | BT_LOGE("Cannot append value to string field object: " | |
596 | "len=%zu", len); | |
597 | goto error; | |
598 | } | |
599 | ||
33ec5dfa PP |
600 | goto end; |
601 | ||
602 | error: | |
603 | ret = -1; | |
604 | ||
605 | end: | |
33ec5dfa PP |
606 | return ret; |
607 | } | |
608 | ||
609 | static | |
d6e69534 PP |
610 | bt_message *create_msg_from_line( |
611 | struct dmesg_msg_iter *dmesg_msg_iter, const char *line) | |
33ec5dfa | 612 | { |
caedbbee | 613 | struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp; |
b19ff26f | 614 | bt_event *event = NULL; |
d6e69534 | 615 | bt_message *msg = NULL; |
33ec5dfa PP |
616 | const char *new_start; |
617 | int ret; | |
618 | ||
d6e69534 | 619 | msg = create_init_event_msg_from_line(dmesg_msg_iter, |
f0010051 | 620 | line, &new_start); |
d6e69534 PP |
621 | if (!msg) { |
622 | BT_LOGE_STR("Cannot create and initialize event message from line."); | |
33ec5dfa PP |
623 | goto error; |
624 | } | |
625 | ||
d6e69534 | 626 | event = bt_message_event_borrow_event(msg); |
312c056a | 627 | BT_ASSERT(event); |
caedbbee | 628 | ret = fill_event_payload_from_line(dmesg_comp, new_start, event); |
33ec5dfa | 629 | if (ret) { |
312c056a | 630 | BT_LOGE("Cannot fill event payload field from line: " |
33ec5dfa PP |
631 | "ret=%d", ret); |
632 | goto error; | |
633 | } | |
634 | ||
33ec5dfa PP |
635 | goto end; |
636 | ||
637 | error: | |
d6e69534 | 638 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
33ec5dfa PP |
639 | |
640 | end: | |
d6e69534 | 641 | return msg; |
33ec5dfa PP |
642 | } |
643 | ||
644 | static | |
d6e69534 | 645 | void destroy_dmesg_msg_iter(struct dmesg_msg_iter *dmesg_msg_iter) |
33ec5dfa | 646 | { |
caedbbee PP |
647 | struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp; |
648 | ||
d6e69534 | 649 | if (!dmesg_msg_iter) { |
33ec5dfa PP |
650 | return; |
651 | } | |
652 | ||
d6e69534 PP |
653 | if (dmesg_msg_iter->fp && dmesg_msg_iter->fp != stdin) { |
654 | if (fclose(dmesg_msg_iter->fp)) { | |
33ec5dfa PP |
655 | BT_LOGE_ERRNO("Cannot close input file", "."); |
656 | } | |
657 | } | |
d8866baa | 658 | |
d6e69534 PP |
659 | bt_message_put_ref(dmesg_msg_iter->tmp_event_msg); |
660 | free(dmesg_msg_iter->linebuf); | |
661 | g_free(dmesg_msg_iter); | |
d8866baa PP |
662 | } |
663 | ||
2d6bab5c PP |
664 | |
665 | ||
d8866baa | 666 | BT_HIDDEN |
4cdfc5e8 | 667 | bt_self_message_iterator_status dmesg_msg_iter_init( |
d6e69534 | 668 | bt_self_message_iterator *self_msg_iter, |
b19ff26f PP |
669 | bt_self_component_source *self_comp, |
670 | bt_self_component_port_output *self_port) | |
d8866baa | 671 | { |
caedbbee PP |
672 | struct dmesg_component *dmesg_comp = bt_self_component_get_data( |
673 | bt_self_component_source_as_self_component(self_comp)); | |
d6e69534 PP |
674 | struct dmesg_msg_iter *dmesg_msg_iter = |
675 | g_new0(struct dmesg_msg_iter, 1); | |
4cdfc5e8 | 676 | bt_self_message_iterator_status status = |
d6e69534 | 677 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
33ec5dfa | 678 | |
d6e69534 PP |
679 | if (!dmesg_msg_iter) { |
680 | BT_LOGE_STR("Failed to allocate on dmesg message iterator structure."); | |
33ec5dfa PP |
681 | goto error; |
682 | } | |
683 | ||
f6ccaed9 | 684 | BT_ASSERT(dmesg_comp); |
d6e69534 PP |
685 | dmesg_msg_iter->dmesg_comp = dmesg_comp; |
686 | dmesg_msg_iter->pc_msg_iter = self_msg_iter; | |
d8866baa | 687 | |
33ec5dfa | 688 | if (dmesg_comp->params.read_from_stdin) { |
d6e69534 | 689 | dmesg_msg_iter->fp = stdin; |
33ec5dfa | 690 | } else { |
d6e69534 PP |
691 | dmesg_msg_iter->fp = fopen(dmesg_comp->params.path->str, "r"); |
692 | if (!dmesg_msg_iter->fp) { | |
33ec5dfa PP |
693 | BT_LOGE_ERRNO("Cannot open input file in read mode", ": path=\"%s\"", |
694 | dmesg_comp->params.path->str); | |
695 | goto error; | |
696 | } | |
697 | } | |
698 | ||
d6e69534 PP |
699 | bt_self_message_iterator_set_data(self_msg_iter, |
700 | dmesg_msg_iter); | |
33ec5dfa PP |
701 | goto end; |
702 | ||
703 | error: | |
d6e69534 PP |
704 | destroy_dmesg_msg_iter(dmesg_msg_iter); |
705 | bt_self_message_iterator_set_data(self_msg_iter, NULL); | |
33ec5dfa | 706 | if (status >= 0) { |
d6e69534 | 707 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
33ec5dfa PP |
708 | } |
709 | ||
710 | end: | |
33ec5dfa | 711 | return status; |
d8866baa PP |
712 | } |
713 | ||
714 | BT_HIDDEN | |
d6e69534 PP |
715 | void dmesg_msg_iter_finalize( |
716 | bt_self_message_iterator *priv_msg_iter) | |
d8866baa | 717 | { |
d6e69534 PP |
718 | destroy_dmesg_msg_iter(bt_self_message_iterator_get_data( |
719 | priv_msg_iter)); | |
d8866baa PP |
720 | } |
721 | ||
d4393e08 | 722 | static |
4cdfc5e8 | 723 | bt_self_message_iterator_status dmesg_msg_iter_next_one( |
d6e69534 PP |
724 | struct dmesg_msg_iter *dmesg_msg_iter, |
725 | bt_message **msg) | |
d8866baa | 726 | { |
33ec5dfa | 727 | ssize_t len; |
33ec5dfa | 728 | struct dmesg_component *dmesg_comp; |
4cdfc5e8 | 729 | bt_self_message_iterator_status status = |
d6e69534 | 730 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d8866baa | 731 | |
d6e69534 PP |
732 | BT_ASSERT(dmesg_msg_iter); |
733 | dmesg_comp = dmesg_msg_iter->dmesg_comp; | |
f6ccaed9 | 734 | BT_ASSERT(dmesg_comp); |
33ec5dfa | 735 | |
d6e69534 PP |
736 | if (dmesg_msg_iter->state == STATE_DONE) { |
737 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; | |
312c056a PP |
738 | goto end; |
739 | } | |
740 | ||
d6e69534 PP |
741 | if (dmesg_msg_iter->tmp_event_msg || |
742 | dmesg_msg_iter->state == STATE_EMIT_PACKET_END || | |
a59806b7 | 743 | dmesg_msg_iter->state == STATE_EMIT_STREAM_ACTIVITY_END || |
d6e69534 | 744 | dmesg_msg_iter->state == STATE_EMIT_STREAM_END) { |
312c056a PP |
745 | goto handle_state; |
746 | } | |
747 | ||
33ec5dfa PP |
748 | while (true) { |
749 | const char *ch; | |
750 | bool only_spaces = true; | |
751 | ||
d6e69534 PP |
752 | len = bt_getline(&dmesg_msg_iter->linebuf, |
753 | &dmesg_msg_iter->linebuf_len, dmesg_msg_iter->fp); | |
33ec5dfa PP |
754 | if (len < 0) { |
755 | if (errno == EINVAL) { | |
d6e69534 | 756 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
33ec5dfa | 757 | } else if (errno == ENOMEM) { |
d4393e08 | 758 | status = |
d6e69534 | 759 | BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; |
33ec5dfa | 760 | } else { |
d6e69534 | 761 | if (dmesg_msg_iter->state == STATE_EMIT_STREAM_BEGINNING) { |
312c056a | 762 | /* Stream did not even begin */ |
d6e69534 | 763 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; |
312c056a PP |
764 | goto end; |
765 | } else { | |
766 | /* End current packet now */ | |
d6e69534 | 767 | dmesg_msg_iter->state = |
312c056a PP |
768 | STATE_EMIT_PACKET_END; |
769 | goto handle_state; | |
770 | } | |
33ec5dfa PP |
771 | } |
772 | ||
773 | goto end; | |
774 | } | |
775 | ||
d6e69534 | 776 | BT_ASSERT(dmesg_msg_iter->linebuf); |
33ec5dfa PP |
777 | |
778 | /* Ignore empty lines, once trimmed */ | |
d6e69534 | 779 | for (ch = dmesg_msg_iter->linebuf; *ch != '\0'; ch++) { |
33ec5dfa PP |
780 | if (!isspace(*ch)) { |
781 | only_spaces = false; | |
782 | break; | |
783 | } | |
784 | } | |
785 | ||
786 | if (!only_spaces) { | |
787 | break; | |
788 | } | |
789 | } | |
790 | ||
d6e69534 PP |
791 | dmesg_msg_iter->tmp_event_msg = create_msg_from_line( |
792 | dmesg_msg_iter, dmesg_msg_iter->linebuf); | |
793 | if (!dmesg_msg_iter->tmp_event_msg) { | |
794 | BT_LOGE("Cannot create event message from line: " | |
33ec5dfa | 795 | "dmesg-comp-addr=%p, line=\"%s\"", dmesg_comp, |
d6e69534 | 796 | dmesg_msg_iter->linebuf); |
312c056a PP |
797 | goto end; |
798 | } | |
799 | ||
800 | handle_state: | |
801 | BT_ASSERT(dmesg_comp->trace); | |
802 | ||
d6e69534 | 803 | switch (dmesg_msg_iter->state) { |
312c056a | 804 | case STATE_EMIT_STREAM_BEGINNING: |
d6e69534 PP |
805 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
806 | *msg = bt_message_stream_beginning_create( | |
807 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
a59806b7 PP |
808 | dmesg_msg_iter->state = STATE_EMIT_STREAM_ACTIVITY_BEGINNING; |
809 | break; | |
810 | case STATE_EMIT_STREAM_ACTIVITY_BEGINNING: | |
811 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); | |
812 | *msg = bt_message_stream_activity_beginning_create( | |
813 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
d6e69534 | 814 | dmesg_msg_iter->state = STATE_EMIT_PACKET_BEGINNING; |
312c056a PP |
815 | break; |
816 | case STATE_EMIT_PACKET_BEGINNING: | |
d6e69534 | 817 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
a6d85d2f PP |
818 | |
819 | if (dmesg_comp->clock_class) { | |
820 | *msg = bt_message_packet_beginning_create_with_default_clock_snapshot( | |
821 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->packet, | |
822 | dmesg_msg_iter->last_clock_value); | |
823 | } else { | |
824 | *msg = bt_message_packet_beginning_create( | |
825 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->packet); | |
826 | } | |
827 | ||
d6e69534 | 828 | dmesg_msg_iter->state = STATE_EMIT_EVENT; |
312c056a PP |
829 | break; |
830 | case STATE_EMIT_EVENT: | |
d6e69534 PP |
831 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
832 | *msg = dmesg_msg_iter->tmp_event_msg; | |
833 | dmesg_msg_iter->tmp_event_msg = NULL; | |
312c056a PP |
834 | break; |
835 | case STATE_EMIT_PACKET_END: | |
a6d85d2f PP |
836 | if (dmesg_comp->clock_class) { |
837 | *msg = bt_message_packet_end_create_with_default_clock_snapshot( | |
838 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->packet, | |
839 | dmesg_msg_iter->last_clock_value); | |
840 | } else { | |
841 | *msg = bt_message_packet_end_create( | |
842 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->packet); | |
843 | } | |
844 | ||
a59806b7 PP |
845 | dmesg_msg_iter->state = STATE_EMIT_STREAM_ACTIVITY_END; |
846 | break; | |
847 | case STATE_EMIT_STREAM_ACTIVITY_END: | |
848 | *msg = bt_message_stream_activity_end_create( | |
849 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
d6e69534 | 850 | dmesg_msg_iter->state = STATE_EMIT_STREAM_END; |
312c056a PP |
851 | break; |
852 | case STATE_EMIT_STREAM_END: | |
d6e69534 PP |
853 | *msg = bt_message_stream_end_create( |
854 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
855 | dmesg_msg_iter->state = STATE_DONE; | |
312c056a PP |
856 | break; |
857 | default: | |
858 | break; | |
859 | } | |
860 | ||
d6e69534 PP |
861 | if (!*msg) { |
862 | BT_LOGE("Cannot create message: dmesg-comp-addr=%p", | |
312c056a | 863 | dmesg_comp); |
d6e69534 | 864 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
33ec5dfa PP |
865 | } |
866 | ||
867 | end: | |
d4393e08 PP |
868 | return status; |
869 | } | |
870 | ||
871 | BT_HIDDEN | |
4cdfc5e8 | 872 | bt_self_message_iterator_status dmesg_msg_iter_next( |
d6e69534 PP |
873 | bt_self_message_iterator *self_msg_iter, |
874 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
875 | uint64_t *count) |
876 | { | |
d6e69534 PP |
877 | struct dmesg_msg_iter *dmesg_msg_iter = |
878 | bt_self_message_iterator_get_data( | |
879 | self_msg_iter); | |
4cdfc5e8 | 880 | bt_self_message_iterator_status status = |
d6e69534 | 881 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
882 | uint64_t i = 0; |
883 | ||
d94d92ac | 884 | while (i < capacity && |
d6e69534 PP |
885 | status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { |
886 | bt_message *priv_msg = NULL; | |
e5be10ef | 887 | |
d6e69534 PP |
888 | status = dmesg_msg_iter_next_one(dmesg_msg_iter, |
889 | &priv_msg); | |
890 | msgs[i] = priv_msg; | |
891 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
d4393e08 PP |
892 | i++; |
893 | } | |
894 | } | |
895 | ||
896 | if (i > 0) { | |
897 | /* | |
d6e69534 | 898 | * Even if dmesg_msg_iter_next_one() returned |
d4393e08 | 899 | * something else than |
d6e69534 PP |
900 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
901 | * accumulated message objects in the output | |
902 | * message array, so we need to return | |
903 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they | |
d94d92ac | 904 | * are transfered to downstream. This other status |
d6e69534 | 905 | * occurs again the next time muxer_msg_iter_do_next() |
d94d92ac | 906 | * is called, possibly without any accumulated |
d6e69534 | 907 | * message, in which case we'll return it. |
d4393e08 PP |
908 | */ |
909 | *count = i; | |
d6e69534 | 910 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
d4393e08 PP |
911 | } |
912 | ||
913 | return status; | |
d8866baa | 914 | } |
2d6bab5c PP |
915 | |
916 | BT_HIDDEN | |
917 | bt_bool dmesg_msg_iter_can_seek_beginning( | |
918 | bt_self_message_iterator *self_msg_iter) | |
919 | { | |
920 | struct dmesg_msg_iter *dmesg_msg_iter = | |
921 | bt_self_message_iterator_get_data(self_msg_iter); | |
922 | ||
923 | /* Can't seek the beginning of the standard input stream */ | |
924 | return !dmesg_msg_iter->dmesg_comp->params.read_from_stdin; | |
925 | } | |
926 | ||
927 | BT_HIDDEN | |
928 | bt_self_message_iterator_status dmesg_msg_iter_seek_beginning( | |
929 | bt_self_message_iterator *self_msg_iter) | |
930 | { | |
931 | struct dmesg_msg_iter *dmesg_msg_iter = | |
932 | bt_self_message_iterator_get_data(self_msg_iter); | |
933 | ||
934 | BT_ASSERT(!dmesg_msg_iter->dmesg_comp->params.read_from_stdin); | |
935 | ||
936 | BT_MESSAGE_PUT_REF_AND_RESET(dmesg_msg_iter->tmp_event_msg); | |
937 | dmesg_msg_iter->last_clock_value = 0; | |
938 | dmesg_msg_iter->state = STATE_EMIT_STREAM_BEGINNING; | |
939 | return BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
940 | } |