Commit | Line | Data |
---|---|---|
d8866baa PP |
1 | /* |
2 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation | |
834e9996 | 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 | ||
4b1e4687 | 24 | #define BT_COMP_LOG_SELF_COMP (dmesg_comp->self_comp) |
f9291fb7 | 25 | #define BT_LOG_OUTPUT_LEVEL (dmesg_comp->log_level) |
b03487ab | 26 | #define BT_LOG_TAG "PLUGIN/SRC.TEXT.DMESG" |
4b1e4687 | 27 | #include "plugins/comp-logging.h" |
e2531d3b | 28 | |
d8866baa | 29 | #include <stdbool.h> |
e2531d3b PP |
30 | #include <string.h> |
31 | #include <ctype.h> | |
d8866baa | 32 | #include <stdio.h> |
57952005 | 33 | #include "common/common.h" |
f9291fb7 | 34 | #include "common/assert.h" |
71c5da58 | 35 | #include <babeltrace2/babeltrace.h> |
57952005 MJ |
36 | #include "compat/utc.h" |
37 | #include "compat/stdio.h" | |
d8866baa PP |
38 | #include <glib.h> |
39 | ||
e2531d3b PP |
40 | #define NSEC_PER_USEC 1000UL |
41 | #define NSEC_PER_MSEC 1000000UL | |
42 | #define NSEC_PER_SEC 1000000000ULL | |
43 | #define USEC_PER_SEC 1000000UL | |
44 | ||
d8866baa PP |
45 | struct dmesg_component; |
46 | ||
b09a5592 | 47 | struct dmesg_msg_iter { |
d8866baa | 48 | struct dmesg_component *dmesg_comp; |
b09a5592 | 49 | bt_self_message_iterator *pc_msg_iter; /* Weak */ |
e2531d3b PP |
50 | char *linebuf; |
51 | size_t linebuf_len; | |
d8866baa | 52 | FILE *fp; |
b09a5592 | 53 | bt_message *tmp_event_msg; |
96a0a69d | 54 | uint64_t last_clock_value; |
a6918753 PP |
55 | |
56 | enum { | |
57 | STATE_EMIT_STREAM_BEGINNING, | |
58 | STATE_EMIT_PACKET_BEGINNING, | |
59 | STATE_EMIT_EVENT, | |
60 | STATE_EMIT_PACKET_END, | |
61 | STATE_EMIT_STREAM_END, | |
62 | STATE_DONE, | |
63 | } state; | |
d8866baa PP |
64 | }; |
65 | ||
66 | struct dmesg_component { | |
f9291fb7 PP |
67 | bt_logging_level log_level; |
68 | ||
d8866baa PP |
69 | struct { |
70 | GString *path; | |
e2531d3b | 71 | bt_bool read_from_stdin; |
8743317e | 72 | bt_bool no_timestamp; |
d8866baa PP |
73 | } params; |
74 | ||
4b1e4687 PP |
75 | bt_self_component_source *self_comp_src; |
76 | bt_self_component *self_comp; | |
8eee8ea2 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 | ||
e2531d3b | 86 | static |
f9291fb7 PP |
87 | bt_field_class *create_event_payload_fc(struct dmesg_component *dmesg_comp, |
88 | bt_trace_class *trace_class) | |
e2531d3b | 89 | { |
8eee8ea2 PP |
90 | bt_field_class *root_fc = NULL; |
91 | bt_field_class *fc = NULL; | |
e2531d3b PP |
92 | int ret; |
93 | ||
b7396828 | 94 | root_fc = bt_field_class_structure_create(trace_class); |
939190b3 | 95 | if (!root_fc) { |
4b1e4687 | 96 | BT_COMP_LOGE_STR("Cannot create an empty structure field class object."); |
e2531d3b PP |
97 | goto error; |
98 | } | |
99 | ||
b7396828 | 100 | fc = bt_field_class_string_create(trace_class); |
939190b3 | 101 | if (!fc) { |
4b1e4687 | 102 | BT_COMP_LOGE_STR("Cannot create a string field class object."); |
e2531d3b PP |
103 | goto error; |
104 | } | |
105 | ||
78cf9df6 | 106 | ret = bt_field_class_structure_append_member(root_fc, |
9e550e5f | 107 | "str", fc); |
e2531d3b | 108 | if (ret) { |
4b1e4687 | 109 | BT_COMP_LOGE("Cannot add `str` member to structure field class: " |
e2531d3b PP |
110 | "ret=%d", ret); |
111 | goto error; | |
112 | } | |
113 | ||
114 | goto end; | |
115 | ||
116 | error: | |
8c6884d9 | 117 | BT_FIELD_CLASS_PUT_REF_AND_RESET(root_fc); |
e2531d3b PP |
118 | |
119 | end: | |
8c6884d9 | 120 | bt_field_class_put_ref(fc); |
939190b3 | 121 | return root_fc; |
e2531d3b PP |
122 | } |
123 | ||
e2531d3b PP |
124 | static |
125 | int create_meta(struct dmesg_component *dmesg_comp, bool has_ts) | |
126 | { | |
8eee8ea2 | 127 | bt_field_class *fc = NULL; |
d8866baa PP |
128 | int ret = 0; |
129 | ||
4b1e4687 | 130 | dmesg_comp->trace_class = bt_trace_class_create(dmesg_comp->self_comp); |
10b7a2e4 | 131 | if (!dmesg_comp->trace_class) { |
4b1e4687 | 132 | BT_COMP_LOGE_STR("Cannot create an empty trace class object."); |
e2531d3b PP |
133 | goto error; |
134 | } | |
135 | ||
78cf9df6 | 136 | dmesg_comp->stream_class = bt_stream_class_create( |
10b7a2e4 | 137 | dmesg_comp->trace_class); |
e2531d3b | 138 | if (!dmesg_comp->stream_class) { |
4b1e4687 | 139 | BT_COMP_LOGE_STR("Cannot create a stream class object."); |
e2531d3b PP |
140 | goto error; |
141 | } | |
142 | ||
e2531d3b | 143 | if (has_ts) { |
35fa110e | 144 | dmesg_comp->clock_class = bt_clock_class_create( |
4b1e4687 | 145 | dmesg_comp->self_comp); |
e2531d3b | 146 | if (!dmesg_comp->clock_class) { |
4b1e4687 | 147 | BT_COMP_LOGE_STR("Cannot create clock class."); |
e2531d3b PP |
148 | goto error; |
149 | } | |
150 | ||
44de4099 | 151 | /* |
d608d675 PP |
152 | * The `dmesg` timestamp's origin is not the Unix epoch, |
153 | * it's the boot time. | |
44de4099 | 154 | */ |
d608d675 | 155 | bt_clock_class_set_origin_is_unix_epoch(dmesg_comp->clock_class, |
44de4099 PP |
156 | BT_FALSE); |
157 | ||
78cf9df6 PP |
158 | ret = bt_stream_class_set_default_clock_class( |
159 | dmesg_comp->stream_class, dmesg_comp->clock_class); | |
e2531d3b | 160 | if (ret) { |
4b1e4687 | 161 | BT_COMP_LOGE_STR("Cannot set stream class's default clock class."); |
e2531d3b PP |
162 | goto error; |
163 | } | |
34e13c22 | 164 | |
5ef34326 | 165 | bt_stream_class_set_packets_have_beginning_default_clock_snapshot( |
34e13c22 | 166 | dmesg_comp->stream_class, BT_TRUE); |
5ef34326 | 167 | bt_stream_class_set_packets_have_end_default_clock_snapshot( |
34e13c22 | 168 | dmesg_comp->stream_class, BT_TRUE); |
e2531d3b PP |
169 | } |
170 | ||
78cf9df6 | 171 | dmesg_comp->event_class = bt_event_class_create( |
7b33a0e0 | 172 | dmesg_comp->stream_class); |
e2531d3b | 173 | if (!dmesg_comp->event_class) { |
4b1e4687 | 174 | BT_COMP_LOGE_STR("Cannot create an event class object."); |
7b33a0e0 PP |
175 | goto error; |
176 | } | |
177 | ||
78cf9df6 | 178 | ret = bt_event_class_set_name(dmesg_comp->event_class, "string"); |
7b33a0e0 | 179 | if (ret) { |
4b1e4687 | 180 | BT_COMP_LOGE_STR("Cannot set event class's name."); |
e2531d3b PP |
181 | goto error; |
182 | } | |
183 | ||
f9291fb7 | 184 | fc = create_event_payload_fc(dmesg_comp, dmesg_comp->trace_class); |
939190b3 | 185 | if (!fc) { |
4b1e4687 | 186 | BT_COMP_LOGE_STR("Cannot create event payload field class."); |
d8866baa PP |
187 | goto error; |
188 | } | |
189 | ||
78cf9df6 | 190 | ret = bt_event_class_set_payload_field_class(dmesg_comp->event_class, fc); |
e2531d3b | 191 | if (ret) { |
4b1e4687 | 192 | BT_COMP_LOGE_STR("Cannot set event class's event payload field class."); |
e2531d3b PP |
193 | goto error; |
194 | } | |
195 | ||
e2531d3b PP |
196 | goto end; |
197 | ||
198 | error: | |
199 | ret = -1; | |
200 | ||
201 | end: | |
8c6884d9 | 202 | bt_field_class_put_ref(fc); |
e2531d3b PP |
203 | return ret; |
204 | } | |
205 | ||
206 | static | |
ce141536 | 207 | int handle_params(struct dmesg_component *dmesg_comp, |
8eee8ea2 | 208 | const bt_value *params) |
e2531d3b | 209 | { |
8eee8ea2 PP |
210 | const bt_value *no_timestamp = NULL; |
211 | const bt_value *path = NULL; | |
e2531d3b PP |
212 | const char *path_str; |
213 | int ret = 0; | |
214 | ||
ce141536 | 215 | no_timestamp = bt_value_map_borrow_entry_value_const(params, |
44514773 | 216 | "no-extract-timestamp"); |
8743317e PP |
217 | if (no_timestamp) { |
218 | if (!bt_value_is_bool(no_timestamp)) { | |
4b1e4687 | 219 | BT_COMP_LOGE("Expecting a boolean value for the `no-extract-timestamp` parameter: " |
8743317e | 220 | "type=%s", |
17582c6d | 221 | bt_common_value_type_string( |
8743317e PP |
222 | bt_value_get_type(no_timestamp))); |
223 | goto error; | |
224 | } | |
225 | ||
b5cdc106 PP |
226 | dmesg_comp->params.no_timestamp = |
227 | bt_value_bool_get(no_timestamp); | |
8743317e PP |
228 | } |
229 | ||
ce141536 | 230 | path = bt_value_map_borrow_entry_value_const(params, "path"); |
d8866baa PP |
231 | if (path) { |
232 | if (dmesg_comp->params.read_from_stdin) { | |
4b1e4687 | 233 | BT_COMP_LOGE_STR("Cannot specify both `read-from-stdin` and `path` parameters."); |
d8866baa PP |
234 | goto error; |
235 | } | |
236 | ||
237 | if (!bt_value_is_string(path)) { | |
4b1e4687 | 238 | BT_COMP_LOGE("Expecting a string value for the `path` parameter: " |
e2531d3b | 239 | "type=%s", |
17582c6d | 240 | bt_common_value_type_string( |
e2531d3b | 241 | bt_value_get_type(path))); |
d8866baa PP |
242 | goto error; |
243 | } | |
244 | ||
b5cdc106 | 245 | path_str = bt_value_string_get(path); |
d8866baa PP |
246 | g_string_assign(dmesg_comp->params.path, path_str); |
247 | } else { | |
2a2f36a2 | 248 | dmesg_comp->params.read_from_stdin = true; |
d8866baa PP |
249 | } |
250 | ||
251 | goto end; | |
252 | ||
253 | error: | |
254 | ret = -1; | |
255 | ||
256 | end: | |
d8866baa PP |
257 | return ret; |
258 | } | |
259 | ||
e2531d3b | 260 | static |
10b7a2e4 | 261 | int create_packet_and_stream_and_trace(struct dmesg_component *dmesg_comp) |
e2531d3b PP |
262 | { |
263 | int ret = 0; | |
a260020d | 264 | const char *trace_name = NULL; |
10b7a2e4 PP |
265 | gchar *basename = NULL; |
266 | ||
267 | dmesg_comp->trace = bt_trace_create(dmesg_comp->trace_class); | |
268 | if (!dmesg_comp->trace) { | |
4b1e4687 | 269 | BT_COMP_LOGE_STR("Cannot create trace object."); |
10b7a2e4 PP |
270 | goto error; |
271 | } | |
e2531d3b | 272 | |
10b7a2e4 PP |
273 | if (dmesg_comp->params.read_from_stdin) { |
274 | trace_name = "STDIN"; | |
275 | } else { | |
276 | basename = g_path_get_basename(dmesg_comp->params.path->str); | |
277 | BT_ASSERT(basename); | |
278 | ||
279 | if (strcmp(basename, G_DIR_SEPARATOR_S) != 0 && | |
280 | strcmp(basename, ".") != 0) { | |
281 | trace_name = basename; | |
282 | } | |
283 | } | |
284 | ||
285 | if (trace_name) { | |
286 | ret = bt_trace_set_name(dmesg_comp->trace, trace_name); | |
287 | if (ret) { | |
4b1e4687 | 288 | BT_COMP_LOGE("Cannot set trace's name: name=\"%s\"", |
10b7a2e4 PP |
289 | trace_name); |
290 | goto error; | |
291 | } | |
292 | } | |
293 | ||
294 | dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class, | |
295 | dmesg_comp->trace); | |
e2531d3b | 296 | if (!dmesg_comp->stream) { |
4b1e4687 | 297 | BT_COMP_LOGE_STR("Cannot create stream object."); |
e2531d3b PP |
298 | goto error; |
299 | } | |
300 | ||
78cf9df6 | 301 | dmesg_comp->packet = bt_packet_create(dmesg_comp->stream); |
e2531d3b | 302 | if (!dmesg_comp->packet) { |
4b1e4687 | 303 | BT_COMP_LOGE_STR("Cannot create packet object."); |
e2531d3b PP |
304 | goto error; |
305 | } | |
306 | ||
e2531d3b PP |
307 | goto end; |
308 | ||
309 | error: | |
310 | ret = -1; | |
311 | ||
312 | end: | |
10b7a2e4 PP |
313 | if (basename) { |
314 | g_free(basename); | |
315 | } | |
316 | ||
e2531d3b PP |
317 | return ret; |
318 | } | |
319 | ||
320 | static | |
321 | int try_create_meta_stream_packet(struct dmesg_component *dmesg_comp, | |
322 | bool has_ts) | |
323 | { | |
324 | int ret = 0; | |
325 | ||
326 | if (dmesg_comp->trace) { | |
327 | /* Already created */ | |
328 | goto end; | |
329 | } | |
330 | ||
331 | ret = create_meta(dmesg_comp, has_ts); | |
332 | if (ret) { | |
4b1e4687 | 333 | BT_COMP_LOGE("Cannot create metadata objects: dmesg-comp-addr=%p", |
e2531d3b PP |
334 | dmesg_comp); |
335 | goto error; | |
336 | } | |
337 | ||
10b7a2e4 | 338 | ret = create_packet_and_stream_and_trace(dmesg_comp); |
e2531d3b | 339 | if (ret) { |
4b1e4687 | 340 | BT_COMP_LOGE("Cannot create packet and stream objects: " |
e2531d3b PP |
341 | "dmesg-comp-addr=%p", dmesg_comp); |
342 | goto error; | |
343 | } | |
344 | ||
345 | goto end; | |
346 | ||
347 | error: | |
348 | ret = -1; | |
349 | ||
350 | end: | |
351 | return ret; | |
352 | } | |
d8866baa PP |
353 | |
354 | static | |
355 | void destroy_dmesg_component(struct dmesg_component *dmesg_comp) | |
356 | { | |
357 | if (!dmesg_comp) { | |
358 | return; | |
359 | } | |
360 | ||
361 | if (dmesg_comp->params.path) { | |
362 | g_string_free(dmesg_comp->params.path, TRUE); | |
363 | } | |
364 | ||
8c6884d9 PP |
365 | bt_packet_put_ref(dmesg_comp->packet); |
366 | bt_trace_put_ref(dmesg_comp->trace); | |
367 | bt_stream_class_put_ref(dmesg_comp->stream_class); | |
368 | bt_event_class_put_ref(dmesg_comp->event_class); | |
369 | bt_stream_put_ref(dmesg_comp->stream); | |
370 | bt_clock_class_put_ref(dmesg_comp->clock_class); | |
224b2711 | 371 | bt_trace_class_put_ref(dmesg_comp->trace_class); |
d8866baa PP |
372 | g_free(dmesg_comp); |
373 | } | |
374 | ||
e2531d3b | 375 | static |
fb25b9e3 | 376 | bt_component_class_init_method_status create_port( |
8eee8ea2 | 377 | bt_self_component_source *self_comp) |
e2531d3b | 378 | { |
fb25b9e3 PP |
379 | bt_component_class_init_method_status status; |
380 | bt_self_component_add_port_status add_port_status; | |
381 | ||
382 | add_port_status = bt_self_component_source_add_output_port(self_comp, | |
e2531d3b | 383 | "out", NULL, NULL); |
fb25b9e3 PP |
384 | switch (add_port_status) { |
385 | case BT_SELF_COMPONENT_ADD_PORT_STATUS_OK: | |
386 | status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK; | |
387 | break; | |
388 | case BT_SELF_COMPONENT_ADD_PORT_STATUS_ERROR: | |
389 | status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR; | |
390 | break; | |
391 | case BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR: | |
392 | status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR; | |
393 | break; | |
394 | default: | |
395 | abort(); | |
396 | } | |
397 | ||
398 | return status; | |
e2531d3b PP |
399 | } |
400 | ||
d8866baa | 401 | BT_HIDDEN |
fb25b9e3 | 402 | bt_component_class_init_method_status dmesg_init( |
4b1e4687 | 403 | bt_self_component_source *self_comp_src, |
8eee8ea2 | 404 | bt_value *params, void *init_method_data) |
d8866baa PP |
405 | { |
406 | int ret = 0; | |
407 | struct dmesg_component *dmesg_comp = g_new0(struct dmesg_component, 1); | |
fb25b9e3 PP |
408 | bt_component_class_init_method_status status = |
409 | BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK; | |
4b1e4687 PP |
410 | bt_self_component *self_comp = |
411 | bt_self_component_source_as_self_component(self_comp_src); | |
412 | const bt_component *comp = bt_self_component_as_component(self_comp); | |
f9291fb7 | 413 | bt_logging_level log_level = bt_component_get_logging_level(comp); |
d8866baa PP |
414 | |
415 | if (!dmesg_comp) { | |
f9291fb7 | 416 | /* Implicit log level is not available here */ |
4b1e4687 | 417 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
f9291fb7 | 418 | "Failed to allocate one dmesg component structure."); |
d8866baa PP |
419 | goto error; |
420 | } | |
421 | ||
f9291fb7 | 422 | dmesg_comp->log_level = log_level; |
e5e71bf8 | 423 | dmesg_comp->self_comp = self_comp; |
4b1e4687 | 424 | dmesg_comp->self_comp_src = self_comp_src; |
d8866baa PP |
425 | dmesg_comp->params.path = g_string_new(NULL); |
426 | if (!dmesg_comp->params.path) { | |
4b1e4687 | 427 | BT_COMP_LOGE_STR("Failed to allocate a GString."); |
d8866baa PP |
428 | goto error; |
429 | } | |
430 | ||
e2531d3b | 431 | ret = handle_params(dmesg_comp, params); |
d8866baa | 432 | if (ret) { |
4b1e4687 | 433 | BT_COMP_LOGE("Invalid parameters: comp-addr=%p", self_comp); |
d8866baa PP |
434 | goto error; |
435 | } | |
436 | ||
e2531d3b PP |
437 | if (!dmesg_comp->params.read_from_stdin && |
438 | !g_file_test(dmesg_comp->params.path->str, | |
439 | G_FILE_TEST_IS_REGULAR)) { | |
4b1e4687 | 440 | BT_COMP_LOGE("Input path is not a regular file: " |
834e9996 | 441 | "comp-addr=%p, path=\"%s\"", self_comp, |
e2531d3b PP |
442 | dmesg_comp->params.path->str); |
443 | goto error; | |
444 | } | |
d8866baa | 445 | |
4b1e4687 | 446 | status = create_port(self_comp_src); |
fb25b9e3 | 447 | if (status != BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK) { |
e2531d3b PP |
448 | goto error; |
449 | } | |
d8866baa | 450 | |
4b1e4687 PP |
451 | bt_self_component_set_data(self_comp, dmesg_comp); |
452 | BT_COMP_LOGI_STR("Component initialized."); | |
d8866baa PP |
453 | goto end; |
454 | ||
455 | error: | |
456 | destroy_dmesg_component(dmesg_comp); | |
4b1e4687 | 457 | bt_self_component_set_data(self_comp, NULL); |
e2531d3b PP |
458 | |
459 | if (status >= 0) { | |
fb25b9e3 | 460 | status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR; |
e2531d3b | 461 | } |
d8866baa PP |
462 | |
463 | end: | |
464 | return status; | |
465 | } | |
466 | ||
467 | BT_HIDDEN | |
8eee8ea2 | 468 | void dmesg_finalize(bt_self_component_source *self_comp) |
d8866baa | 469 | { |
834e9996 | 470 | destroy_dmesg_component(bt_self_component_get_data( |
bb61965b | 471 | bt_self_component_source_as_self_component(self_comp))); |
e2531d3b PP |
472 | } |
473 | ||
474 | static | |
b09a5592 PP |
475 | bt_message *create_init_event_msg_from_line( |
476 | struct dmesg_msg_iter *msg_iter, | |
a6918753 | 477 | const char *line, const char **new_start) |
e2531d3b | 478 | { |
8eee8ea2 | 479 | bt_event *event; |
b09a5592 | 480 | bt_message *msg = NULL; |
e2531d3b PP |
481 | bool has_timestamp = false; |
482 | unsigned long sec, usec, msec; | |
483 | unsigned int year, mon, mday, hour, min; | |
484 | uint64_t ts = 0; | |
e2531d3b | 485 | int ret = 0; |
b09a5592 | 486 | struct dmesg_component *dmesg_comp = msg_iter->dmesg_comp; |
e2531d3b | 487 | |
e2531d3b PP |
488 | *new_start = line; |
489 | ||
8743317e PP |
490 | if (dmesg_comp->params.no_timestamp) { |
491 | goto skip_ts; | |
492 | } | |
493 | ||
e2531d3b PP |
494 | /* Extract time from input line */ |
495 | if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) { | |
496 | ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; | |
497 | ||
498 | /* | |
499 | * The clock class we use has a 1 GHz frequency: convert | |
500 | * from µs to ns. | |
501 | */ | |
502 | ts *= NSEC_PER_USEC; | |
503 | has_timestamp = true; | |
504 | } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ", | |
505 | &year, &mon, &mday, &hour, &min, | |
506 | &sec, &msec) == 7) { | |
507 | time_t ep_sec; | |
508 | struct tm ti; | |
509 | ||
510 | memset(&ti, 0, sizeof(ti)); | |
511 | ti.tm_year = year - 1900; /* From 1900 */ | |
512 | ti.tm_mon = mon - 1; /* 0 to 11 */ | |
513 | ti.tm_mday = mday; | |
514 | ti.tm_hour = hour; | |
515 | ti.tm_min = min; | |
516 | ti.tm_sec = sec; | |
517 | ||
518 | ep_sec = bt_timegm(&ti); | |
519 | if (ep_sec != (time_t) -1) { | |
520 | ts = (uint64_t) ep_sec * NSEC_PER_SEC | |
521 | + (uint64_t) msec * NSEC_PER_MSEC; | |
522 | } | |
523 | ||
524 | has_timestamp = true; | |
525 | } | |
526 | ||
527 | if (has_timestamp) { | |
528 | /* Set new start for the message portion of the line */ | |
529 | *new_start = strchr(line, ']'); | |
8b45963b | 530 | BT_ASSERT(*new_start); |
e2531d3b PP |
531 | (*new_start)++; |
532 | ||
533 | if ((*new_start)[0] == ' ') { | |
534 | (*new_start)++; | |
535 | } | |
536 | } | |
537 | ||
8743317e | 538 | skip_ts: |
e2531d3b PP |
539 | /* |
540 | * At this point, we know if the stream class's event header | |
939190b3 | 541 | * field class should have a timestamp or not, so we can lazily |
e2531d3b PP |
542 | * create the metadata, stream, and packet objects. |
543 | */ | |
544 | ret = try_create_meta_stream_packet(dmesg_comp, has_timestamp); | |
545 | if (ret) { | |
546 | /* try_create_meta_stream_packet() logs errors */ | |
547 | goto error; | |
548 | } | |
549 | ||
9c04b633 PP |
550 | if (dmesg_comp->clock_class) { |
551 | msg = bt_message_event_create_with_default_clock_snapshot( | |
552 | msg_iter->pc_msg_iter, | |
553 | dmesg_comp->event_class, dmesg_comp->packet, ts); | |
554 | msg_iter->last_clock_value = ts; | |
555 | } else { | |
556 | msg = bt_message_event_create(msg_iter->pc_msg_iter, | |
557 | dmesg_comp->event_class, dmesg_comp->packet); | |
558 | } | |
559 | ||
b09a5592 | 560 | if (!msg) { |
4b1e4687 | 561 | BT_COMP_LOGE_STR("Cannot create event message."); |
a6918753 PP |
562 | goto error; |
563 | } | |
e2531d3b | 564 | |
b09a5592 | 565 | event = bt_message_event_borrow_event(msg); |
a6918753 | 566 | BT_ASSERT(event); |
e2531d3b PP |
567 | goto end; |
568 | ||
569 | error: | |
b09a5592 | 570 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
e2531d3b PP |
571 | |
572 | end: | |
b09a5592 | 573 | return msg; |
e2531d3b PP |
574 | } |
575 | ||
576 | static | |
f9291fb7 PP |
577 | int fill_event_payload_from_line(struct dmesg_component *dmesg_comp, |
578 | const char *line, bt_event *event) | |
e2531d3b | 579 | { |
8eee8ea2 PP |
580 | bt_field *ep_field = NULL; |
581 | bt_field *str_field = NULL; | |
e2531d3b PP |
582 | size_t len; |
583 | int ret; | |
584 | ||
78cf9df6 | 585 | ep_field = bt_event_borrow_payload_field(event); |
a6918753 | 586 | BT_ASSERT(ep_field); |
78cf9df6 | 587 | str_field = bt_field_structure_borrow_member_field_by_index( |
9e550e5f | 588 | ep_field, 0); |
e2531d3b | 589 | if (!str_field) { |
4b1e4687 | 590 | BT_COMP_LOGE_STR("Cannot borrow `timestamp` field from event payload structure field."); |
e2531d3b PP |
591 | goto error; |
592 | } | |
593 | ||
594 | len = strlen(line); | |
595 | if (line[len - 1] == '\n') { | |
596 | /* Do not include the newline character in the payload */ | |
597 | len--; | |
598 | } | |
599 | ||
fb25b9e3 | 600 | bt_field_string_clear(str_field); |
78cf9df6 | 601 | ret = bt_field_string_append_with_length(str_field, line, len); |
e2531d3b | 602 | if (ret) { |
4b1e4687 | 603 | BT_COMP_LOGE("Cannot append value to string field object: " |
e2531d3b PP |
604 | "len=%zu", len); |
605 | goto error; | |
606 | } | |
607 | ||
e2531d3b PP |
608 | goto end; |
609 | ||
610 | error: | |
611 | ret = -1; | |
612 | ||
613 | end: | |
e2531d3b PP |
614 | return ret; |
615 | } | |
616 | ||
617 | static | |
b09a5592 PP |
618 | bt_message *create_msg_from_line( |
619 | struct dmesg_msg_iter *dmesg_msg_iter, const char *line) | |
e2531d3b | 620 | { |
f9291fb7 | 621 | struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp; |
8eee8ea2 | 622 | bt_event *event = NULL; |
b09a5592 | 623 | bt_message *msg = NULL; |
e2531d3b PP |
624 | const char *new_start; |
625 | int ret; | |
626 | ||
b09a5592 | 627 | msg = create_init_event_msg_from_line(dmesg_msg_iter, |
03e18d5d | 628 | line, &new_start); |
b09a5592 | 629 | if (!msg) { |
4b1e4687 | 630 | BT_COMP_LOGE_STR("Cannot create and initialize event message from line."); |
e2531d3b PP |
631 | goto error; |
632 | } | |
633 | ||
b09a5592 | 634 | event = bt_message_event_borrow_event(msg); |
a6918753 | 635 | BT_ASSERT(event); |
f9291fb7 | 636 | ret = fill_event_payload_from_line(dmesg_comp, new_start, event); |
e2531d3b | 637 | if (ret) { |
4b1e4687 | 638 | BT_COMP_LOGE("Cannot fill event payload field from line: " |
e2531d3b PP |
639 | "ret=%d", ret); |
640 | goto error; | |
641 | } | |
642 | ||
e2531d3b PP |
643 | goto end; |
644 | ||
645 | error: | |
b09a5592 | 646 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
e2531d3b PP |
647 | |
648 | end: | |
b09a5592 | 649 | return msg; |
e2531d3b PP |
650 | } |
651 | ||
652 | static | |
b09a5592 | 653 | void destroy_dmesg_msg_iter(struct dmesg_msg_iter *dmesg_msg_iter) |
e2531d3b | 654 | { |
f9291fb7 PP |
655 | struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp; |
656 | ||
b09a5592 | 657 | if (!dmesg_msg_iter) { |
e2531d3b PP |
658 | return; |
659 | } | |
660 | ||
b09a5592 PP |
661 | if (dmesg_msg_iter->fp && dmesg_msg_iter->fp != stdin) { |
662 | if (fclose(dmesg_msg_iter->fp)) { | |
4b1e4687 | 663 | BT_COMP_LOGE_ERRNO("Cannot close input file", "."); |
e2531d3b PP |
664 | } |
665 | } | |
d8866baa | 666 | |
b09a5592 PP |
667 | bt_message_put_ref(dmesg_msg_iter->tmp_event_msg); |
668 | free(dmesg_msg_iter->linebuf); | |
669 | g_free(dmesg_msg_iter); | |
d8866baa PP |
670 | } |
671 | ||
12b0fa51 PP |
672 | |
673 | ||
d8866baa | 674 | BT_HIDDEN |
fb25b9e3 | 675 | bt_component_class_message_iterator_init_method_status dmesg_msg_iter_init( |
b09a5592 | 676 | bt_self_message_iterator *self_msg_iter, |
8eee8ea2 PP |
677 | bt_self_component_source *self_comp, |
678 | bt_self_component_port_output *self_port) | |
d8866baa | 679 | { |
f9291fb7 PP |
680 | struct dmesg_component *dmesg_comp = bt_self_component_get_data( |
681 | bt_self_component_source_as_self_component(self_comp)); | |
b09a5592 PP |
682 | struct dmesg_msg_iter *dmesg_msg_iter = |
683 | g_new0(struct dmesg_msg_iter, 1); | |
fb25b9e3 PP |
684 | bt_component_class_message_iterator_init_method_status status = |
685 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK; | |
e2531d3b | 686 | |
b09a5592 | 687 | if (!dmesg_msg_iter) { |
4b1e4687 | 688 | BT_COMP_LOGE_STR("Failed to allocate on dmesg message iterator structure."); |
e2531d3b PP |
689 | goto error; |
690 | } | |
691 | ||
8b45963b | 692 | BT_ASSERT(dmesg_comp); |
b09a5592 PP |
693 | dmesg_msg_iter->dmesg_comp = dmesg_comp; |
694 | dmesg_msg_iter->pc_msg_iter = self_msg_iter; | |
d8866baa | 695 | |
e2531d3b | 696 | if (dmesg_comp->params.read_from_stdin) { |
b09a5592 | 697 | dmesg_msg_iter->fp = stdin; |
e2531d3b | 698 | } else { |
b09a5592 PP |
699 | dmesg_msg_iter->fp = fopen(dmesg_comp->params.path->str, "r"); |
700 | if (!dmesg_msg_iter->fp) { | |
4b1e4687 | 701 | BT_COMP_LOGE_ERRNO("Cannot open input file in read mode", ": path=\"%s\"", |
e2531d3b PP |
702 | dmesg_comp->params.path->str); |
703 | goto error; | |
704 | } | |
705 | } | |
706 | ||
b09a5592 PP |
707 | bt_self_message_iterator_set_data(self_msg_iter, |
708 | dmesg_msg_iter); | |
e2531d3b PP |
709 | goto end; |
710 | ||
711 | error: | |
b09a5592 PP |
712 | destroy_dmesg_msg_iter(dmesg_msg_iter); |
713 | bt_self_message_iterator_set_data(self_msg_iter, NULL); | |
e2531d3b | 714 | if (status >= 0) { |
fb25b9e3 | 715 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR; |
e2531d3b PP |
716 | } |
717 | ||
718 | end: | |
e2531d3b | 719 | return status; |
d8866baa PP |
720 | } |
721 | ||
722 | BT_HIDDEN | |
b09a5592 PP |
723 | void dmesg_msg_iter_finalize( |
724 | bt_self_message_iterator *priv_msg_iter) | |
d8866baa | 725 | { |
b09a5592 PP |
726 | destroy_dmesg_msg_iter(bt_self_message_iterator_get_data( |
727 | priv_msg_iter)); | |
d8866baa PP |
728 | } |
729 | ||
3fd7b79d | 730 | static |
fb25b9e3 | 731 | bt_component_class_message_iterator_next_method_status dmesg_msg_iter_next_one( |
b09a5592 PP |
732 | struct dmesg_msg_iter *dmesg_msg_iter, |
733 | bt_message **msg) | |
d8866baa | 734 | { |
e2531d3b | 735 | ssize_t len; |
e2531d3b | 736 | struct dmesg_component *dmesg_comp; |
fb25b9e3 PP |
737 | bt_component_class_message_iterator_next_method_status status = |
738 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
d8866baa | 739 | |
b09a5592 PP |
740 | BT_ASSERT(dmesg_msg_iter); |
741 | dmesg_comp = dmesg_msg_iter->dmesg_comp; | |
8b45963b | 742 | BT_ASSERT(dmesg_comp); |
e2531d3b | 743 | |
b09a5592 | 744 | if (dmesg_msg_iter->state == STATE_DONE) { |
fb25b9e3 | 745 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END; |
a6918753 PP |
746 | goto end; |
747 | } | |
748 | ||
b09a5592 PP |
749 | if (dmesg_msg_iter->tmp_event_msg || |
750 | dmesg_msg_iter->state == STATE_EMIT_PACKET_END || | |
751 | dmesg_msg_iter->state == STATE_EMIT_STREAM_END) { | |
a6918753 PP |
752 | goto handle_state; |
753 | } | |
754 | ||
e2531d3b PP |
755 | while (true) { |
756 | const char *ch; | |
757 | bool only_spaces = true; | |
758 | ||
b09a5592 PP |
759 | len = bt_getline(&dmesg_msg_iter->linebuf, |
760 | &dmesg_msg_iter->linebuf_len, dmesg_msg_iter->fp); | |
e2531d3b PP |
761 | if (len < 0) { |
762 | if (errno == EINVAL) { | |
fb25b9e3 | 763 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
e2531d3b | 764 | } else if (errno == ENOMEM) { |
fb25b9e3 | 765 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_MEMORY_ERROR; |
e2531d3b | 766 | } else { |
b09a5592 | 767 | if (dmesg_msg_iter->state == STATE_EMIT_STREAM_BEGINNING) { |
a6918753 | 768 | /* Stream did not even begin */ |
fb25b9e3 | 769 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END; |
a6918753 PP |
770 | goto end; |
771 | } else { | |
772 | /* End current packet now */ | |
b09a5592 | 773 | dmesg_msg_iter->state = |
a6918753 PP |
774 | STATE_EMIT_PACKET_END; |
775 | goto handle_state; | |
776 | } | |
e2531d3b PP |
777 | } |
778 | ||
779 | goto end; | |
780 | } | |
781 | ||
b09a5592 | 782 | BT_ASSERT(dmesg_msg_iter->linebuf); |
e2531d3b PP |
783 | |
784 | /* Ignore empty lines, once trimmed */ | |
b09a5592 | 785 | for (ch = dmesg_msg_iter->linebuf; *ch != '\0'; ch++) { |
e2531d3b PP |
786 | if (!isspace(*ch)) { |
787 | only_spaces = false; | |
788 | break; | |
789 | } | |
790 | } | |
791 | ||
792 | if (!only_spaces) { | |
793 | break; | |
794 | } | |
795 | } | |
796 | ||
b09a5592 PP |
797 | dmesg_msg_iter->tmp_event_msg = create_msg_from_line( |
798 | dmesg_msg_iter, dmesg_msg_iter->linebuf); | |
799 | if (!dmesg_msg_iter->tmp_event_msg) { | |
4b1e4687 | 800 | BT_COMP_LOGE("Cannot create event message from line: " |
e2531d3b | 801 | "dmesg-comp-addr=%p, line=\"%s\"", dmesg_comp, |
b09a5592 | 802 | dmesg_msg_iter->linebuf); |
a6918753 PP |
803 | goto end; |
804 | } | |
805 | ||
806 | handle_state: | |
807 | BT_ASSERT(dmesg_comp->trace); | |
808 | ||
b09a5592 | 809 | switch (dmesg_msg_iter->state) { |
a6918753 | 810 | case STATE_EMIT_STREAM_BEGINNING: |
b09a5592 PP |
811 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
812 | *msg = bt_message_stream_beginning_create( | |
813 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
814 | dmesg_msg_iter->state = STATE_EMIT_PACKET_BEGINNING; | |
a6918753 PP |
815 | break; |
816 | case STATE_EMIT_PACKET_BEGINNING: | |
b09a5592 | 817 | BT_ASSERT(dmesg_msg_iter->tmp_event_msg); |
96a0a69d 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 | ||
b09a5592 | 828 | dmesg_msg_iter->state = STATE_EMIT_EVENT; |
a6918753 PP |
829 | break; |
830 | case STATE_EMIT_EVENT: | |
b09a5592 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; | |
a6918753 PP |
834 | break; |
835 | case STATE_EMIT_PACKET_END: | |
96a0a69d 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 | ||
b09a5592 | 845 | dmesg_msg_iter->state = STATE_EMIT_STREAM_END; |
a6918753 PP |
846 | break; |
847 | case STATE_EMIT_STREAM_END: | |
b09a5592 PP |
848 | *msg = bt_message_stream_end_create( |
849 | dmesg_msg_iter->pc_msg_iter, dmesg_comp->stream); | |
850 | dmesg_msg_iter->state = STATE_DONE; | |
a6918753 PP |
851 | break; |
852 | default: | |
853 | break; | |
854 | } | |
855 | ||
b09a5592 | 856 | if (!*msg) { |
4b1e4687 | 857 | BT_COMP_LOGE("Cannot create message: dmesg-comp-addr=%p", |
a6918753 | 858 | dmesg_comp); |
fb25b9e3 | 859 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR; |
e2531d3b PP |
860 | } |
861 | ||
862 | end: | |
3fd7b79d PP |
863 | return status; |
864 | } | |
865 | ||
866 | BT_HIDDEN | |
fb25b9e3 | 867 | bt_component_class_message_iterator_next_method_status dmesg_msg_iter_next( |
b09a5592 PP |
868 | bt_self_message_iterator *self_msg_iter, |
869 | bt_message_array_const msgs, uint64_t capacity, | |
3fd7b79d PP |
870 | uint64_t *count) |
871 | { | |
b09a5592 PP |
872 | struct dmesg_msg_iter *dmesg_msg_iter = |
873 | bt_self_message_iterator_get_data( | |
874 | self_msg_iter); | |
fb25b9e3 PP |
875 | bt_component_class_message_iterator_next_method_status status = |
876 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; | |
3fd7b79d PP |
877 | uint64_t i = 0; |
878 | ||
834e9996 | 879 | while (i < capacity && |
fb25b9e3 | 880 | status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
b09a5592 | 881 | bt_message *priv_msg = NULL; |
9e550e5f | 882 | |
b09a5592 PP |
883 | status = dmesg_msg_iter_next_one(dmesg_msg_iter, |
884 | &priv_msg); | |
885 | msgs[i] = priv_msg; | |
fb25b9e3 | 886 | if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) { |
3fd7b79d PP |
887 | i++; |
888 | } | |
889 | } | |
890 | ||
891 | if (i > 0) { | |
892 | /* | |
b09a5592 | 893 | * Even if dmesg_msg_iter_next_one() returned |
3fd7b79d | 894 | * something else than |
b09a5592 PP |
895 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
896 | * accumulated message objects in the output | |
897 | * message array, so we need to return | |
898 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they | |
834e9996 | 899 | * are transfered to downstream. This other status |
b09a5592 | 900 | * occurs again the next time muxer_msg_iter_do_next() |
834e9996 | 901 | * is called, possibly without any accumulated |
b09a5592 | 902 | * message, in which case we'll return it. |
3fd7b79d PP |
903 | */ |
904 | *count = i; | |
fb25b9e3 | 905 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; |
3fd7b79d PP |
906 | } |
907 | ||
908 | return status; | |
d8866baa | 909 | } |
12b0fa51 PP |
910 | |
911 | BT_HIDDEN | |
912 | bt_bool dmesg_msg_iter_can_seek_beginning( | |
913 | bt_self_message_iterator *self_msg_iter) | |
914 | { | |
915 | struct dmesg_msg_iter *dmesg_msg_iter = | |
916 | bt_self_message_iterator_get_data(self_msg_iter); | |
917 | ||
918 | /* Can't seek the beginning of the standard input stream */ | |
919 | return !dmesg_msg_iter->dmesg_comp->params.read_from_stdin; | |
920 | } | |
921 | ||
922 | BT_HIDDEN | |
fb25b9e3 PP |
923 | bt_component_class_message_iterator_seek_beginning_method_status |
924 | dmesg_msg_iter_seek_beginning( | |
12b0fa51 PP |
925 | bt_self_message_iterator *self_msg_iter) |
926 | { | |
927 | struct dmesg_msg_iter *dmesg_msg_iter = | |
928 | bt_self_message_iterator_get_data(self_msg_iter); | |
929 | ||
930 | BT_ASSERT(!dmesg_msg_iter->dmesg_comp->params.read_from_stdin); | |
931 | ||
932 | BT_MESSAGE_PUT_REF_AND_RESET(dmesg_msg_iter->tmp_event_msg); | |
933 | dmesg_msg_iter->last_clock_value = 0; | |
934 | dmesg_msg_iter->state = STATE_EMIT_STREAM_BEGINNING; | |
fb25b9e3 | 935 | return BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK; |
12b0fa51 | 936 | } |