Commit | Line | Data |
---|---|---|
d8866baa | 1 | /* |
0235b0db MJ |
2 | * SPDX-License-Identifier: MIT |
3 | * | |
d8866baa | 4 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
d94d92ac | 5 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> |
d8866baa PP |
6 | */ |
7 | ||
9c8a5044 | 8 | #define BT_COMP_LOG_SELF_COMP (dmesg_comp->self_comp) |
caedbbee | 9 | #define BT_LOG_OUTPUT_LEVEL (dmesg_comp->log_level) |
350ad6c1 | 10 | #define BT_LOG_TAG "PLUGIN/SRC.TEXT.DMESG" |
d9c39b0a | 11 | #include "logging/comp-logging.h" |
33ec5dfa | 12 | |
7c7301d5 SM |
13 | #include "dmesg.h" |
14 | ||
d8866baa | 15 | #include <stdbool.h> |
33ec5dfa PP |
16 | #include <string.h> |
17 | #include <ctype.h> | |
d8866baa | 18 | #include <stdio.h> |
578e048b | 19 | #include "common/common.h" |
caedbbee | 20 | #include "common/assert.h" |
3fadfbc0 | 21 | #include <babeltrace2/babeltrace.h> |
578e048b MJ |
22 | #include "compat/utc.h" |
23 | #include "compat/stdio.h" | |
d8866baa | 24 | #include <glib.h> |
430a5ccb | 25 | #include "plugins/common/param-validation/param-validation.h" |
d8866baa | 26 | |
33ec5dfa PP |
27 | #define NSEC_PER_USEC 1000UL |
28 | #define NSEC_PER_MSEC 1000000UL | |
29 | #define NSEC_PER_SEC 1000000000ULL | |
30 | #define USEC_PER_SEC 1000000UL | |
31 | ||
d8866baa PP |
32 | struct dmesg_component; |
33 | ||
d6e69534 | 34 | struct dmesg_msg_iter { |
d8866baa | 35 | struct dmesg_component *dmesg_comp; |
f30762e5 SM |
36 | |
37 | /* Weak */ | |
38 | bt_self_message_iterator *self_msg_iter; | |
39 | ||
33ec5dfa PP |
40 | char *linebuf; |
41 | size_t linebuf_len; | |
d8866baa | 42 | FILE *fp; |
d6e69534 | 43 | bt_message *tmp_event_msg; |
a6d85d2f | 44 | uint64_t last_clock_value; |
312c056a PP |
45 | |
46 | enum { | |
47 | STATE_EMIT_STREAM_BEGINNING, | |
312c056a | 48 | STATE_EMIT_EVENT, |
312c056a PP |
49 | STATE_EMIT_STREAM_END, |
50 | STATE_DONE, | |
51 | } state; | |
d8866baa PP |
52 | }; |
53 | ||
54 | struct dmesg_component { | |
caedbbee PP |
55 | bt_logging_level log_level; |
56 | ||
d8866baa PP |
57 | struct { |
58 | GString *path; | |
33ec5dfa | 59 | bt_bool read_from_stdin; |
707b323a | 60 | bt_bool no_timestamp; |
d8866baa PP |
61 | } params; |
62 | ||
9c8a5044 PP |
63 | bt_self_component_source *self_comp_src; |
64 | bt_self_component *self_comp; | |
b19ff26f PP |
65 | bt_trace_class *trace_class; |
66 | bt_stream_class *stream_class; | |
67 | bt_event_class *event_class; | |
68 | bt_trace *trace; | |
69 | bt_stream *stream; | |
b19ff26f | 70 | bt_clock_class *clock_class; |
d8866baa PP |
71 | }; |
72 | ||
497c1e20 SM |
73 | bt_component_class_get_supported_mip_versions_method_status |
74 | dmesg_supported_mip_versions( | |
75 | bt_self_component_class_source *self_component_class __attribute__((unused)), | |
76 | const bt_value *params __attribute__((unused)), | |
77 | void *initialize_method_data __attribute__((unused)), | |
78 | bt_logging_level logging_level __attribute__((unused)), | |
79 | bt_integer_range_set_unsigned *supported_versions) | |
80 | { | |
81 | return (int) bt_integer_range_set_unsigned_add_range(supported_versions, 0, 1); | |
82 | } | |
83 | ||
33ec5dfa | 84 | static |
caedbbee PP |
85 | bt_field_class *create_event_payload_fc(struct dmesg_component *dmesg_comp, |
86 | bt_trace_class *trace_class) | |
33ec5dfa | 87 | { |
b19ff26f PP |
88 | bt_field_class *root_fc = NULL; |
89 | bt_field_class *fc = NULL; | |
5c72947e | 90 | bt_field_class_structure_append_member_status append_member_status; |
33ec5dfa | 91 | |
1122a43a | 92 | root_fc = bt_field_class_structure_create(trace_class); |
5cd6d0e5 | 93 | if (!root_fc) { |
5c72947e SM |
94 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
95 | "Cannot create an empty structure field class object."); | |
33ec5dfa PP |
96 | goto error; |
97 | } | |
98 | ||
1122a43a | 99 | fc = bt_field_class_string_create(trace_class); |
5cd6d0e5 | 100 | if (!fc) { |
5c72947e SM |
101 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
102 | "Cannot create a string field class object."); | |
33ec5dfa PP |
103 | goto error; |
104 | } | |
105 | ||
5c72947e | 106 | append_member_status = bt_field_class_structure_append_member(root_fc, |
e5be10ef | 107 | "str", fc); |
5c72947e SM |
108 | if (append_member_status != BT_FIELD_CLASS_STRUCTURE_APPEND_MEMBER_STATUS_OK) { |
109 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, | |
110 | "Cannot add `str` member to structure field class: ret=%d", | |
111 | append_member_status); | |
33ec5dfa PP |
112 | goto error; |
113 | } | |
114 | ||
115 | goto end; | |
116 | ||
117 | error: | |
c5b9b441 | 118 | BT_FIELD_CLASS_PUT_REF_AND_RESET(root_fc); |
33ec5dfa PP |
119 | |
120 | end: | |
c5b9b441 | 121 | bt_field_class_put_ref(fc); |
5cd6d0e5 | 122 | return root_fc; |
33ec5dfa PP |
123 | } |
124 | ||
33ec5dfa PP |
125 | static |
126 | int create_meta(struct dmesg_component *dmesg_comp, bool has_ts) | |
127 | { | |
b19ff26f | 128 | bt_field_class *fc = NULL; |
d8866baa PP |
129 | int ret = 0; |
130 | ||
9c8a5044 | 131 | dmesg_comp->trace_class = bt_trace_class_create(dmesg_comp->self_comp); |
862ca4ed | 132 | if (!dmesg_comp->trace_class) { |
5c72947e SM |
133 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
134 | "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) { |
5c72947e SM |
141 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
142 | "Cannot create a stream class object."); | |
33ec5dfa PP |
143 | goto error; |
144 | } | |
145 | ||
33ec5dfa | 146 | if (has_ts) { |
0f2d58c9 | 147 | dmesg_comp->clock_class = bt_clock_class_create( |
9c8a5044 | 148 | dmesg_comp->self_comp); |
33ec5dfa | 149 | if (!dmesg_comp->clock_class) { |
5c72947e SM |
150 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
151 | "Cannot create clock class."); | |
33ec5dfa PP |
152 | goto error; |
153 | } | |
154 | ||
21029722 | 155 | /* |
5552377a PP |
156 | * The `dmesg` timestamp's origin is not the Unix epoch, |
157 | * it's the boot time. | |
21029722 | 158 | */ |
5552377a | 159 | bt_clock_class_set_origin_is_unix_epoch(dmesg_comp->clock_class, |
21029722 PP |
160 | BT_FALSE); |
161 | ||
40f4ba76 PP |
162 | ret = bt_stream_class_set_default_clock_class( |
163 | dmesg_comp->stream_class, dmesg_comp->clock_class); | |
33ec5dfa | 164 | if (ret) { |
5c72947e SM |
165 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
166 | "Cannot set stream class's default clock class."); | |
33ec5dfa PP |
167 | goto error; |
168 | } | |
169 | } | |
170 | ||
40f4ba76 | 171 | dmesg_comp->event_class = bt_event_class_create( |
44c440bc | 172 | dmesg_comp->stream_class); |
33ec5dfa | 173 | if (!dmesg_comp->event_class) { |
5c72947e SM |
174 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
175 | "Cannot create an event class object."); | |
44c440bc PP |
176 | goto error; |
177 | } | |
178 | ||
40f4ba76 | 179 | ret = bt_event_class_set_name(dmesg_comp->event_class, "string"); |
44c440bc | 180 | if (ret) { |
5c72947e SM |
181 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
182 | "Cannot set event class's name."); | |
33ec5dfa PP |
183 | goto error; |
184 | } | |
185 | ||
caedbbee | 186 | fc = create_event_payload_fc(dmesg_comp, dmesg_comp->trace_class); |
5cd6d0e5 | 187 | if (!fc) { |
5c72947e SM |
188 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
189 | "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) { |
5c72947e SM |
195 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
196 | "Cannot set event class's event payload field class."); | |
33ec5dfa PP |
197 | goto error; |
198 | } | |
199 | ||
33ec5dfa PP |
200 | goto end; |
201 | ||
202 | error: | |
203 | ret = -1; | |
204 | ||
205 | end: | |
c5b9b441 | 206 | bt_field_class_put_ref(fc); |
33ec5dfa PP |
207 | return ret; |
208 | } | |
209 | ||
d9120ccb | 210 | static |
430a5ccb SM |
211 | struct bt_param_validation_map_value_entry_descr dmesg_params[] = { |
212 | { "no-extract-timestamp", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_BOOL } }, | |
213 | { "path", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_STRING } }, | |
214 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END | |
215 | }; | |
216 | ||
33ec5dfa | 217 | static |
430a5ccb SM |
218 | bt_component_class_initialize_method_status handle_params( |
219 | struct dmesg_component *dmesg_comp, | |
b19ff26f | 220 | const bt_value *params) |
33ec5dfa | 221 | { |
b19ff26f PP |
222 | const bt_value *no_timestamp = NULL; |
223 | const bt_value *path = NULL; | |
430a5ccb SM |
224 | bt_component_class_initialize_method_status status; |
225 | enum bt_param_validation_status validation_status; | |
226 | gchar *validate_error = NULL; | |
227 | ||
228 | validation_status = bt_param_validation_validate(params, | |
229 | dmesg_params, &validate_error); | |
230 | if (validation_status == BT_PARAM_VALIDATION_STATUS_MEMORY_ERROR) { | |
231 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
232 | goto end; | |
233 | } else if (validation_status == BT_PARAM_VALIDATION_STATUS_VALIDATION_ERROR) { | |
234 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; | |
235 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, | |
236 | "%s", validate_error); | |
237 | goto end; | |
238 | } | |
33ec5dfa | 239 | |
05e21286 | 240 | no_timestamp = bt_value_map_borrow_entry_value_const(params, |
07208d85 | 241 | "no-extract-timestamp"); |
707b323a | 242 | if (no_timestamp) { |
601b0d3c PP |
243 | dmesg_comp->params.no_timestamp = |
244 | bt_value_bool_get(no_timestamp); | |
707b323a PP |
245 | } |
246 | ||
05e21286 | 247 | path = bt_value_map_borrow_entry_value_const(params, "path"); |
d8866baa | 248 | if (path) { |
430a5ccb | 249 | const char *path_str = bt_value_string_get(path); |
d8866baa | 250 | |
d8866baa PP |
251 | g_string_assign(dmesg_comp->params.path, path_str); |
252 | } else { | |
4da23e31 | 253 | dmesg_comp->params.read_from_stdin = true; |
d8866baa PP |
254 | } |
255 | ||
430a5ccb | 256 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; |
d8866baa | 257 | end: |
430a5ccb SM |
258 | g_free(validate_error); |
259 | ||
260 | return status; | |
d8866baa PP |
261 | } |
262 | ||
33ec5dfa | 263 | static |
26fc5aed | 264 | int create_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) { | |
5c72947e SM |
272 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
273 | "Cannot create trace object."); | |
862ca4ed PP |
274 | goto error; |
275 | } | |
33ec5dfa | 276 | |
862ca4ed PP |
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 | BT_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) { | |
290 | ret = bt_trace_set_name(dmesg_comp->trace, trace_name); | |
291 | if (ret) { | |
5c72947e SM |
292 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
293 | "Cannot set trace's name: name=\"%s\"", | |
862ca4ed PP |
294 | trace_name); |
295 | goto error; | |
296 | } | |
297 | } | |
298 | ||
299 | dmesg_comp->stream = bt_stream_create(dmesg_comp->stream_class, | |
300 | dmesg_comp->trace); | |
33ec5dfa | 301 | if (!dmesg_comp->stream) { |
5c72947e SM |
302 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
303 | "Cannot create stream object."); | |
33ec5dfa PP |
304 | goto error; |
305 | } | |
306 | ||
33ec5dfa PP |
307 | goto end; |
308 | ||
309 | error: | |
310 | ret = -1; | |
311 | ||
312 | end: | |
19bbdc9b | 313 | g_free(basename); |
862ca4ed | 314 | |
33ec5dfa PP |
315 | return ret; |
316 | } | |
317 | ||
318 | static | |
26fc5aed | 319 | int try_create_meta_stream(struct dmesg_component *dmesg_comp, bool has_ts) |
33ec5dfa PP |
320 | { |
321 | int ret = 0; | |
322 | ||
323 | if (dmesg_comp->trace) { | |
324 | /* Already created */ | |
325 | goto end; | |
326 | } | |
327 | ||
328 | ret = create_meta(dmesg_comp, has_ts); | |
329 | if (ret) { | |
5c72947e SM |
330 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
331 | "Cannot create metadata objects: dmesg-comp-addr=%p", | |
33ec5dfa PP |
332 | dmesg_comp); |
333 | goto error; | |
334 | } | |
335 | ||
26fc5aed | 336 | ret = create_stream_and_trace(dmesg_comp); |
33ec5dfa | 337 | if (ret) { |
5c72947e SM |
338 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
339 | "Cannot create stream object: dmesg-comp-addr=%p", | |
340 | dmesg_comp); | |
33ec5dfa PP |
341 | goto error; |
342 | } | |
343 | ||
344 | goto end; | |
345 | ||
346 | error: | |
347 | ret = -1; | |
348 | ||
349 | end: | |
350 | return ret; | |
351 | } | |
d8866baa PP |
352 | |
353 | static | |
354 | void destroy_dmesg_component(struct dmesg_component *dmesg_comp) | |
355 | { | |
356 | if (!dmesg_comp) { | |
357 | return; | |
358 | } | |
359 | ||
360 | if (dmesg_comp->params.path) { | |
361 | g_string_free(dmesg_comp->params.path, TRUE); | |
362 | } | |
363 | ||
c5b9b441 PP |
364 | bt_trace_put_ref(dmesg_comp->trace); |
365 | bt_stream_class_put_ref(dmesg_comp->stream_class); | |
366 | bt_event_class_put_ref(dmesg_comp->event_class); | |
367 | bt_stream_put_ref(dmesg_comp->stream); | |
368 | bt_clock_class_put_ref(dmesg_comp->clock_class); | |
8b5bd70c | 369 | bt_trace_class_put_ref(dmesg_comp->trace_class); |
d8866baa PP |
370 | g_free(dmesg_comp); |
371 | } | |
372 | ||
21a9f056 | 373 | bt_component_class_initialize_method_status dmesg_init( |
9c8a5044 | 374 | bt_self_component_source *self_comp_src, |
ecd7492f MJ |
375 | bt_self_component_source_configuration *config __attribute__((unused)), |
376 | const bt_value *params, | |
377 | void *init_method_data __attribute__((unused))) | |
d8866baa | 378 | { |
d8866baa | 379 | struct dmesg_component *dmesg_comp = g_new0(struct dmesg_component, 1); |
430a5ccb | 380 | bt_component_class_initialize_method_status status; |
9c8a5044 PP |
381 | bt_self_component *self_comp = |
382 | bt_self_component_source_as_self_component(self_comp_src); | |
383 | const bt_component *comp = bt_self_component_as_component(self_comp); | |
caedbbee | 384 | bt_logging_level log_level = bt_component_get_logging_level(comp); |
903b999e | 385 | bt_self_component_add_port_status add_port_status; |
d8866baa PP |
386 | |
387 | if (!dmesg_comp) { | |
5c72947e SM |
388 | /* |
389 | * Don't use BT_COMP_LOGE_APPEND_CAUSE, as `dmesg_comp` is not | |
390 | * initialized. | |
391 | */ | |
9c8a5044 | 392 | BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_comp, |
caedbbee | 393 | "Failed to allocate one dmesg component structure."); |
5c72947e SM |
394 | BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT(self_comp, |
395 | "Failed to allocate one dmesg component structure."); | |
396 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
d8866baa PP |
397 | goto error; |
398 | } | |
399 | ||
caedbbee | 400 | dmesg_comp->log_level = log_level; |
41693723 | 401 | dmesg_comp->self_comp = self_comp; |
9c8a5044 | 402 | dmesg_comp->self_comp_src = self_comp_src; |
d8866baa PP |
403 | dmesg_comp->params.path = g_string_new(NULL); |
404 | if (!dmesg_comp->params.path) { | |
5c72947e SM |
405 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to allocate a GString."); |
406 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
d8866baa PP |
407 | goto error; |
408 | } | |
409 | ||
430a5ccb SM |
410 | status = handle_params(dmesg_comp, params); |
411 | if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) { | |
5c72947e SM |
412 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
413 | "Invalid parameters: comp-addr=%p", self_comp); | |
430a5ccb | 414 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
d8866baa PP |
415 | goto error; |
416 | } | |
417 | ||
33ec5dfa PP |
418 | if (!dmesg_comp->params.read_from_stdin && |
419 | !g_file_test(dmesg_comp->params.path->str, | |
420 | G_FILE_TEST_IS_REGULAR)) { | |
5c72947e SM |
421 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
422 | "Input path is not a regular file: " | |
d94d92ac | 423 | "comp-addr=%p, path=\"%s\"", self_comp, |
33ec5dfa | 424 | dmesg_comp->params.path->str); |
430a5ccb | 425 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
33ec5dfa PP |
426 | goto error; |
427 | } | |
d8866baa | 428 | |
903b999e SM |
429 | add_port_status = bt_self_component_source_add_output_port( |
430 | self_comp_src, "out", NULL, NULL); | |
431 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { | |
5c72947e | 432 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Failed to add output port."); |
903b999e | 433 | status = (int) add_port_status; |
33ec5dfa PP |
434 | goto error; |
435 | } | |
d8866baa | 436 | |
9c8a5044 PP |
437 | bt_self_component_set_data(self_comp, dmesg_comp); |
438 | BT_COMP_LOGI_STR("Component initialized."); | |
430a5ccb SM |
439 | |
440 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
d8866baa PP |
441 | goto end; |
442 | ||
443 | error: | |
444 | destroy_dmesg_component(dmesg_comp); | |
9c8a5044 | 445 | bt_self_component_set_data(self_comp, NULL); |
33ec5dfa | 446 | |
d8866baa PP |
447 | end: |
448 | return status; | |
449 | } | |
450 | ||
b19ff26f | 451 | void dmesg_finalize(bt_self_component_source *self_comp) |
d8866baa | 452 | { |
d94d92ac | 453 | destroy_dmesg_component(bt_self_component_get_data( |
707b7d35 | 454 | bt_self_component_source_as_self_component(self_comp))); |
33ec5dfa PP |
455 | } |
456 | ||
457 | static | |
d6e69534 PP |
458 | bt_message *create_init_event_msg_from_line( |
459 | struct dmesg_msg_iter *msg_iter, | |
312c056a | 460 | const char *line, const char **new_start) |
33ec5dfa | 461 | { |
b19ff26f | 462 | bt_event *event; |
d6e69534 | 463 | bt_message *msg = NULL; |
33ec5dfa PP |
464 | bool has_timestamp = false; |
465 | unsigned long sec, usec, msec; | |
466 | unsigned int year, mon, mday, hour, min; | |
467 | uint64_t ts = 0; | |
33ec5dfa | 468 | int ret = 0; |
d6e69534 | 469 | struct dmesg_component *dmesg_comp = msg_iter->dmesg_comp; |
33ec5dfa | 470 | |
33ec5dfa PP |
471 | *new_start = line; |
472 | ||
707b323a PP |
473 | if (dmesg_comp->params.no_timestamp) { |
474 | goto skip_ts; | |
475 | } | |
476 | ||
33ec5dfa PP |
477 | /* Extract time from input line */ |
478 | if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) { | |
479 | ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; | |
480 | ||
481 | /* | |
482 | * The clock class we use has a 1 GHz frequency: convert | |
483 | * from µs to ns. | |
484 | */ | |
485 | ts *= NSEC_PER_USEC; | |
486 | has_timestamp = true; | |
487 | } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ", | |
488 | &year, &mon, &mday, &hour, &min, | |
489 | &sec, &msec) == 7) { | |
490 | time_t ep_sec; | |
491 | struct tm ti; | |
492 | ||
493 | memset(&ti, 0, sizeof(ti)); | |
494 | ti.tm_year = year - 1900; /* From 1900 */ | |
495 | ti.tm_mon = mon - 1; /* 0 to 11 */ | |
496 | ti.tm_mday = mday; | |
497 | ti.tm_hour = hour; | |
498 | ti.tm_min = min; | |
499 | ti.tm_sec = sec; | |
500 | ||
501 | ep_sec = bt_timegm(&ti); | |
502 | if (ep_sec != (time_t) -1) { | |
503 | ts = (uint64_t) ep_sec * NSEC_PER_SEC | |
504 | + (uint64_t) msec * NSEC_PER_MSEC; | |
505 | } | |
506 | ||
507 | has_timestamp = true; | |
508 | } | |
509 | ||
510 | if (has_timestamp) { | |
511 | /* Set new start for the message portion of the line */ | |
512 | *new_start = strchr(line, ']'); | |
98b15851 | 513 | BT_ASSERT_DBG(*new_start); |
33ec5dfa PP |
514 | (*new_start)++; |
515 | ||
516 | if ((*new_start)[0] == ' ') { | |
517 | (*new_start)++; | |
518 | } | |
519 | } | |
520 | ||
707b323a | 521 | skip_ts: |
33ec5dfa PP |
522 | /* |
523 | * At this point, we know if the stream class's event header | |
5cd6d0e5 | 524 | * field class should have a timestamp or not, so we can lazily |
26fc5aed | 525 | * create the metadata and stream objects. |
33ec5dfa | 526 | */ |
26fc5aed | 527 | ret = try_create_meta_stream(dmesg_comp, has_timestamp); |
33ec5dfa | 528 | if (ret) { |
26fc5aed | 529 | /* try_create_meta_stream() logs errors */ |
33ec5dfa PP |
530 | goto error; |
531 | } | |
532 | ||
2c091c04 PP |
533 | if (dmesg_comp->clock_class) { |
534 | msg = bt_message_event_create_with_default_clock_snapshot( | |
f30762e5 | 535 | msg_iter->self_msg_iter, |
26fc5aed | 536 | dmesg_comp->event_class, dmesg_comp->stream, ts); |
2c091c04 PP |
537 | msg_iter->last_clock_value = ts; |
538 | } else { | |
f30762e5 | 539 | msg = bt_message_event_create(msg_iter->self_msg_iter, |
26fc5aed | 540 | dmesg_comp->event_class, dmesg_comp->stream); |
2c091c04 PP |
541 | } |
542 | ||
d6e69534 | 543 | if (!msg) { |
5c72947e SM |
544 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
545 | "Cannot create event message."); | |
312c056a PP |
546 | goto error; |
547 | } | |
33ec5dfa | 548 | |
d6e69534 | 549 | event = bt_message_event_borrow_event(msg); |
98b15851 | 550 | BT_ASSERT_DBG(event); |
33ec5dfa PP |
551 | goto end; |
552 | ||
553 | error: | |
d6e69534 | 554 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
33ec5dfa PP |
555 | |
556 | end: | |
d6e69534 | 557 | return msg; |
33ec5dfa PP |
558 | } |
559 | ||
560 | static | |
caedbbee PP |
561 | int fill_event_payload_from_line(struct dmesg_component *dmesg_comp, |
562 | const char *line, bt_event *event) | |
33ec5dfa | 563 | { |
b19ff26f PP |
564 | bt_field *ep_field = NULL; |
565 | bt_field *str_field = NULL; | |
33ec5dfa PP |
566 | size_t len; |
567 | int ret; | |
568 | ||
40f4ba76 | 569 | ep_field = bt_event_borrow_payload_field(event); |
98b15851 | 570 | BT_ASSERT_DBG(ep_field); |
40f4ba76 | 571 | str_field = bt_field_structure_borrow_member_field_by_index( |
e5be10ef | 572 | ep_field, 0); |
33ec5dfa | 573 | if (!str_field) { |
5c72947e SM |
574 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
575 | "Cannot borrow `timestamp` field from event payload structure field."); | |
33ec5dfa PP |
576 | goto error; |
577 | } | |
578 | ||
579 | len = strlen(line); | |
580 | if (line[len - 1] == '\n') { | |
581 | /* Do not include the newline character in the payload */ | |
582 | len--; | |
583 | } | |
584 | ||
d24d5663 | 585 | bt_field_string_clear(str_field); |
40f4ba76 | 586 | ret = bt_field_string_append_with_length(str_field, line, len); |
33ec5dfa | 587 | if (ret) { |
5c72947e SM |
588 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
589 | "Cannot append value to string field object: len=%zu", len); | |
33ec5dfa PP |
590 | goto error; |
591 | } | |
592 | ||
33ec5dfa PP |
593 | goto end; |
594 | ||
595 | error: | |
596 | ret = -1; | |
597 | ||
598 | end: | |
33ec5dfa PP |
599 | return ret; |
600 | } | |
601 | ||
602 | static | |
d6e69534 PP |
603 | bt_message *create_msg_from_line( |
604 | struct dmesg_msg_iter *dmesg_msg_iter, const char *line) | |
33ec5dfa | 605 | { |
caedbbee | 606 | struct dmesg_component *dmesg_comp = dmesg_msg_iter->dmesg_comp; |
b19ff26f | 607 | bt_event *event = NULL; |
d6e69534 | 608 | bt_message *msg = NULL; |
33ec5dfa PP |
609 | const char *new_start; |
610 | int ret; | |
611 | ||
d6e69534 | 612 | msg = create_init_event_msg_from_line(dmesg_msg_iter, |
f0010051 | 613 | line, &new_start); |
d6e69534 | 614 | if (!msg) { |
5c72947e SM |
615 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
616 | "Cannot create and initialize event message from line."); | |
33ec5dfa PP |
617 | goto error; |
618 | } | |
619 | ||
d6e69534 | 620 | event = bt_message_event_borrow_event(msg); |
98b15851 | 621 | BT_ASSERT_DBG(event); |
caedbbee | 622 | ret = fill_event_payload_from_line(dmesg_comp, new_start, event); |
33ec5dfa | 623 | if (ret) { |
5c72947e SM |
624 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
625 | "Cannot fill event payload field from line: ret=%d", ret); | |
33ec5dfa PP |
626 | goto error; |
627 | } | |
628 | ||
33ec5dfa PP |
629 | goto end; |
630 | ||
631 | error: | |
d6e69534 | 632 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
33ec5dfa PP |
633 | |
634 | end: | |
d6e69534 | 635 | return msg; |
33ec5dfa PP |
636 | } |
637 | ||
638 | static | |
d6e69534 | 639 | void destroy_dmesg_msg_iter(struct dmesg_msg_iter *dmesg_msg_iter) |
33ec5dfa | 640 | { |
53265bca | 641 | struct dmesg_component *dmesg_comp; |
caedbbee | 642 | |
d6e69534 | 643 | if (!dmesg_msg_iter) { |
33ec5dfa PP |
644 | return; |
645 | } | |
646 | ||
53265bca PP |
647 | dmesg_comp = dmesg_msg_iter->dmesg_comp; |
648 | ||
d6e69534 PP |
649 | if (dmesg_msg_iter->fp && dmesg_msg_iter->fp != stdin) { |
650 | if (fclose(dmesg_msg_iter->fp)) { | |
5c72947e SM |
651 | BT_COMP_LOGE_APPEND_CAUSE_ERRNO(dmesg_comp->self_comp, |
652 | "Cannot close input file", "."); | |
33ec5dfa PP |
653 | } |
654 | } | |
d8866baa | 655 | |
d6e69534 PP |
656 | bt_message_put_ref(dmesg_msg_iter->tmp_event_msg); |
657 | free(dmesg_msg_iter->linebuf); | |
658 | g_free(dmesg_msg_iter); | |
d8866baa PP |
659 | } |
660 | ||
2d6bab5c PP |
661 | |
662 | ||
a3f0c7db | 663 | bt_message_iterator_class_initialize_method_status dmesg_msg_iter_init( |
d6e69534 | 664 | bt_self_message_iterator *self_msg_iter, |
ecd7492f MJ |
665 | bt_self_message_iterator_configuration *config __attribute__((unused)), |
666 | bt_self_component_port_output *self_port __attribute__((unused))) | |
d8866baa | 667 | { |
f615b250 PP |
668 | bt_self_component *self_comp = |
669 | bt_self_message_iterator_borrow_component(self_msg_iter); | |
a3f0c7db | 670 | struct dmesg_component *dmesg_comp = bt_self_component_get_data(self_comp); |
d6e69534 PP |
671 | struct dmesg_msg_iter *dmesg_msg_iter = |
672 | g_new0(struct dmesg_msg_iter, 1); | |
5c72947e | 673 | bt_message_iterator_class_initialize_method_status status; |
33ec5dfa | 674 | |
d6e69534 | 675 | if (!dmesg_msg_iter) { |
5c72947e SM |
676 | BT_COMP_LOGE_APPEND_CAUSE(self_comp, |
677 | "Failed to allocate on dmesg message iterator structure."); | |
678 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; | |
33ec5dfa PP |
679 | goto error; |
680 | } | |
681 | ||
f6ccaed9 | 682 | BT_ASSERT(dmesg_comp); |
d6e69534 | 683 | dmesg_msg_iter->dmesg_comp = dmesg_comp; |
f30762e5 | 684 | dmesg_msg_iter->self_msg_iter = self_msg_iter; |
d8866baa | 685 | |
33ec5dfa | 686 | if (dmesg_comp->params.read_from_stdin) { |
d6e69534 | 687 | dmesg_msg_iter->fp = stdin; |
33ec5dfa | 688 | } else { |
d6e69534 PP |
689 | dmesg_msg_iter->fp = fopen(dmesg_comp->params.path->str, "r"); |
690 | if (!dmesg_msg_iter->fp) { | |
5c72947e SM |
691 | BT_COMP_LOGE_APPEND_CAUSE_ERRNO(self_comp, |
692 | "Cannot open input file in read mode", ": path=\"%s\"", | |
33ec5dfa | 693 | dmesg_comp->params.path->str); |
5c72947e | 694 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
33ec5dfa PP |
695 | goto error; |
696 | } | |
697 | } | |
698 | ||
d6e69534 PP |
699 | bt_self_message_iterator_set_data(self_msg_iter, |
700 | dmesg_msg_iter); | |
5c72947e SM |
701 | |
702 | status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK; | |
33ec5dfa PP |
703 | goto end; |
704 | ||
705 | error: | |
d6e69534 PP |
706 | destroy_dmesg_msg_iter(dmesg_msg_iter); |
707 | bt_self_message_iterator_set_data(self_msg_iter, NULL); | |
33ec5dfa PP |
708 | |
709 | end: | |
33ec5dfa | 710 | return status; |
d8866baa PP |
711 | } |
712 | ||
d6e69534 PP |
713 | void dmesg_msg_iter_finalize( |
714 | bt_self_message_iterator *priv_msg_iter) | |
d8866baa | 715 | { |
d6e69534 PP |
716 | destroy_dmesg_msg_iter(bt_self_message_iterator_get_data( |
717 | priv_msg_iter)); | |
d8866baa PP |
718 | } |
719 | ||
d4393e08 | 720 | static |
a3f0c7db | 721 | bt_message_iterator_class_next_method_status dmesg_msg_iter_next_one( |
d6e69534 PP |
722 | struct dmesg_msg_iter *dmesg_msg_iter, |
723 | bt_message **msg) | |
d8866baa | 724 | { |
33ec5dfa | 725 | ssize_t len; |
33ec5dfa | 726 | struct dmesg_component *dmesg_comp; |
c16fb81a | 727 | bt_message_iterator_class_next_method_status status; |
d8866baa | 728 | |
98b15851 | 729 | BT_ASSERT_DBG(dmesg_msg_iter); |
d6e69534 | 730 | dmesg_comp = dmesg_msg_iter->dmesg_comp; |
98b15851 | 731 | BT_ASSERT_DBG(dmesg_comp); |
33ec5dfa | 732 | |
d6e69534 | 733 | if (dmesg_msg_iter->state == STATE_DONE) { |
a3f0c7db | 734 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; |
312c056a PP |
735 | goto end; |
736 | } | |
737 | ||
d6e69534 | 738 | if (dmesg_msg_iter->tmp_event_msg || |
d6e69534 | 739 | dmesg_msg_iter->state == STATE_EMIT_STREAM_END) { |
312c056a PP |
740 | goto handle_state; |
741 | } | |
742 | ||
33ec5dfa PP |
743 | while (true) { |
744 | const char *ch; | |
745 | bool only_spaces = true; | |
746 | ||
d6e69534 PP |
747 | len = bt_getline(&dmesg_msg_iter->linebuf, |
748 | &dmesg_msg_iter->linebuf_len, dmesg_msg_iter->fp); | |
33ec5dfa PP |
749 | if (len < 0) { |
750 | if (errno == EINVAL) { | |
a3f0c7db | 751 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
c16fb81a | 752 | goto end; |
33ec5dfa | 753 | } else if (errno == ENOMEM) { |
a3f0c7db | 754 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR; |
c16fb81a | 755 | goto end; |
33ec5dfa | 756 | } else { |
d6e69534 | 757 | if (dmesg_msg_iter->state == STATE_EMIT_STREAM_BEGINNING) { |
312c056a | 758 | /* Stream did not even begin */ |
a3f0c7db | 759 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END; |
312c056a PP |
760 | goto end; |
761 | } else { | |
26fc5aed | 762 | /* End stream now */ |
d6e69534 | 763 | dmesg_msg_iter->state = |
26fc5aed | 764 | STATE_EMIT_STREAM_END; |
312c056a PP |
765 | goto handle_state; |
766 | } | |
33ec5dfa | 767 | } |
33ec5dfa PP |
768 | } |
769 | ||
98b15851 | 770 | BT_ASSERT_DBG(dmesg_msg_iter->linebuf); |
33ec5dfa PP |
771 | |
772 | /* Ignore empty lines, once trimmed */ | |
d6e69534 | 773 | for (ch = dmesg_msg_iter->linebuf; *ch != '\0'; ch++) { |
994cd345 | 774 | if (!isspace((unsigned char) *ch)) { |
33ec5dfa PP |
775 | only_spaces = false; |
776 | break; | |
777 | } | |
778 | } | |
779 | ||
780 | if (!only_spaces) { | |
781 | break; | |
782 | } | |
783 | } | |
784 | ||
d6e69534 PP |
785 | dmesg_msg_iter->tmp_event_msg = create_msg_from_line( |
786 | dmesg_msg_iter, dmesg_msg_iter->linebuf); | |
787 | if (!dmesg_msg_iter->tmp_event_msg) { | |
5c72947e SM |
788 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
789 | "Cannot create event message from line: " | |
33ec5dfa | 790 | "dmesg-comp-addr=%p, line=\"%s\"", dmesg_comp, |
d6e69534 | 791 | dmesg_msg_iter->linebuf); |
c16fb81a | 792 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
312c056a PP |
793 | goto end; |
794 | } | |
795 | ||
796 | handle_state: | |
98b15851 | 797 | BT_ASSERT_DBG(dmesg_comp->trace); |
312c056a | 798 | |
d6e69534 | 799 | switch (dmesg_msg_iter->state) { |
312c056a | 800 | case STATE_EMIT_STREAM_BEGINNING: |
98b15851 | 801 | BT_ASSERT_DBG(dmesg_msg_iter->tmp_event_msg); |
d6e69534 | 802 | *msg = bt_message_stream_beginning_create( |
f30762e5 | 803 | dmesg_msg_iter->self_msg_iter, dmesg_comp->stream); |
d6e69534 | 804 | dmesg_msg_iter->state = STATE_EMIT_EVENT; |
312c056a PP |
805 | break; |
806 | case STATE_EMIT_EVENT: | |
98b15851 | 807 | BT_ASSERT_DBG(dmesg_msg_iter->tmp_event_msg); |
d6e69534 PP |
808 | *msg = dmesg_msg_iter->tmp_event_msg; |
809 | dmesg_msg_iter->tmp_event_msg = NULL; | |
312c056a | 810 | break; |
312c056a | 811 | case STATE_EMIT_STREAM_END: |
d6e69534 | 812 | *msg = bt_message_stream_end_create( |
f30762e5 | 813 | dmesg_msg_iter->self_msg_iter, dmesg_comp->stream); |
d6e69534 | 814 | dmesg_msg_iter->state = STATE_DONE; |
312c056a PP |
815 | break; |
816 | default: | |
817 | break; | |
818 | } | |
819 | ||
d6e69534 | 820 | if (!*msg) { |
5c72947e SM |
821 | BT_COMP_LOGE_APPEND_CAUSE(dmesg_comp->self_comp, |
822 | "Cannot create message: dmesg-comp-addr=%p", | |
312c056a | 823 | dmesg_comp); |
a3f0c7db | 824 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR; |
c16fb81a | 825 | goto end; |
33ec5dfa PP |
826 | } |
827 | ||
c16fb81a | 828 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
5c72947e | 829 | |
33ec5dfa | 830 | end: |
d4393e08 PP |
831 | return status; |
832 | } | |
833 | ||
a3f0c7db | 834 | bt_message_iterator_class_next_method_status dmesg_msg_iter_next( |
d6e69534 PP |
835 | bt_self_message_iterator *self_msg_iter, |
836 | bt_message_array_const msgs, uint64_t capacity, | |
d4393e08 PP |
837 | uint64_t *count) |
838 | { | |
d6e69534 PP |
839 | struct dmesg_msg_iter *dmesg_msg_iter = |
840 | bt_self_message_iterator_get_data( | |
841 | self_msg_iter); | |
a3f0c7db SM |
842 | bt_message_iterator_class_next_method_status status = |
843 | BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; | |
d4393e08 PP |
844 | uint64_t i = 0; |
845 | ||
d94d92ac | 846 | while (i < capacity && |
a3f0c7db | 847 | status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
d6e69534 | 848 | bt_message *priv_msg = NULL; |
e5be10ef | 849 | |
d6e69534 PP |
850 | status = dmesg_msg_iter_next_one(dmesg_msg_iter, |
851 | &priv_msg); | |
852 | msgs[i] = priv_msg; | |
a3f0c7db | 853 | if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) { |
d4393e08 PP |
854 | i++; |
855 | } | |
856 | } | |
857 | ||
858 | if (i > 0) { | |
859 | /* | |
d6e69534 | 860 | * Even if dmesg_msg_iter_next_one() returned |
d4393e08 | 861 | * something else than |
d6e69534 PP |
862 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we |
863 | * accumulated message objects in the output | |
864 | * message array, so we need to return | |
865 | * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they | |
e7401568 | 866 | * are transferred to downstream. This other status |
d6e69534 | 867 | * occurs again the next time muxer_msg_iter_do_next() |
d94d92ac | 868 | * is called, possibly without any accumulated |
d6e69534 | 869 | * message, in which case we'll return it. |
d4393e08 PP |
870 | */ |
871 | *count = i; | |
a3f0c7db | 872 | status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK; |
d4393e08 PP |
873 | } |
874 | ||
875 | return status; | |
d8866baa | 876 | } |
2d6bab5c | 877 | |
a3f0c7db | 878 | bt_message_iterator_class_can_seek_beginning_method_status |
f2fb1b32 SM |
879 | dmesg_msg_iter_can_seek_beginning( |
880 | bt_self_message_iterator *self_msg_iter, bt_bool *can_seek) | |
2d6bab5c PP |
881 | { |
882 | struct dmesg_msg_iter *dmesg_msg_iter = | |
883 | bt_self_message_iterator_get_data(self_msg_iter); | |
884 | ||
885 | /* Can't seek the beginning of the standard input stream */ | |
f2fb1b32 SM |
886 | *can_seek = !dmesg_msg_iter->dmesg_comp->params.read_from_stdin; |
887 | ||
a3f0c7db | 888 | return BT_MESSAGE_ITERATOR_CLASS_CAN_SEEK_BEGINNING_METHOD_STATUS_OK; |
2d6bab5c PP |
889 | } |
890 | ||
a3f0c7db | 891 | bt_message_iterator_class_seek_beginning_method_status |
d24d5663 | 892 | dmesg_msg_iter_seek_beginning( |
2d6bab5c PP |
893 | bt_self_message_iterator *self_msg_iter) |
894 | { | |
895 | struct dmesg_msg_iter *dmesg_msg_iter = | |
896 | bt_self_message_iterator_get_data(self_msg_iter); | |
897 | ||
898 | BT_ASSERT(!dmesg_msg_iter->dmesg_comp->params.read_from_stdin); | |
899 | ||
900 | BT_MESSAGE_PUT_REF_AND_RESET(dmesg_msg_iter->tmp_event_msg); | |
901 | dmesg_msg_iter->last_clock_value = 0; | |
902 | dmesg_msg_iter->state = STATE_EMIT_STREAM_BEGINNING; | |
a3f0c7db | 903 | return BT_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK; |
2d6bab5c | 904 | } |