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lib: remove stream activity messages
[babeltrace.git] / src / lib / lib-logging.c
1 /*
2 * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 #define BT_LOG_TAG "LIB/LIB-LOGGING"
24 #include "lib/logging.h"
25
26 #include <stdarg.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <inttypes.h>
31 #include <stdint.h>
32 #include <wchar.h>
33 #include <glib.h>
34 #include "common/common.h"
35 #include <babeltrace2/trace-ir/event-const.h>
36 #include <babeltrace2/trace-ir/packet-const.h>
37 #include <babeltrace2/trace-ir/stream-const.h>
38 #include <babeltrace2/current-thread.h>
39
40 #include "logging.h"
41 #include "assert-pre.h"
42 #include "assert-post.h"
43 #include "value.h"
44 #include "object-pool.h"
45 #include "graph/component-class.h"
46 #include "graph/component-class-sink-colander.h"
47 #include "graph/component-filter.h"
48 #include "graph/component.h"
49 #include "graph/component-sink.h"
50 #include "graph/component-source.h"
51 #include "graph/connection.h"
52 #include "graph/graph.h"
53 #include "graph/message/discarded-items.h"
54 #include "graph/message/event.h"
55 #include "graph/message/iterator.h"
56 #include "graph/message/message.h"
57 #include "graph/message/message-iterator-inactivity.h"
58 #include "graph/message/packet.h"
59 #include "graph/message/stream.h"
60 #include "graph/port.h"
61 #include "plugin/plugin.h"
62 #include "plugin/plugin-so.h"
63 #include "trace-ir/clock-class.h"
64 #include "trace-ir/clock-snapshot.h"
65 #include "trace-ir/event-class.h"
66 #include "trace-ir/event.h"
67 #include "trace-ir/field-class.h"
68 #include "trace-ir/field.h"
69 #include "trace-ir/field-path.h"
70 #include "trace-ir/packet.h"
71 #include "trace-ir/stream-class.h"
72 #include "trace-ir/stream.h"
73 #include "trace-ir/trace-class.h"
74 #include "trace-ir/trace.h"
75 #include "trace-ir/utils.h"
76 #include "error.h"
77 #include "assert-pre.h"
78
79 #define LIB_LOGGING_BUF_SIZE (4096 * 4)
80
81 static __thread char lib_logging_buf[LIB_LOGGING_BUF_SIZE];
82
83 #define BUF_APPEND(_fmt, ...) \
84 do { \
85 int _count; \
86 size_t _size = LIB_LOGGING_BUF_SIZE - \
87 (size_t) (*buf_ch - lib_logging_buf); \
88 _count = snprintf(*buf_ch, _size, (_fmt), __VA_ARGS__); \
89 BT_ASSERT(_count >= 0); \
90 *buf_ch += MIN(_count, _size); \
91 if (*buf_ch >= lib_logging_buf + LIB_LOGGING_BUF_SIZE - 1) { \
92 return; \
93 } \
94 } while (0)
95
96 #define BUF_APPEND_UUID(_uuid) \
97 do { \
98 BUF_APPEND(", %suuid=", prefix); \
99 format_uuid(buf_ch, (_uuid)); \
100 } while (0)
101
102 #define PRFIELD(_expr) prefix, (_expr)
103
104 #define PRFIELD_GSTRING(_expr) PRFIELD((_expr) ? (_expr)->str : NULL)
105
106 #define TMP_PREFIX_LEN 64
107 #define SET_TMP_PREFIX(_prefix2) \
108 do { \
109 snprintf(tmp_prefix, TMP_PREFIX_LEN - 1, "%s%s", \
110 prefix, (_prefix2)); \
111 tmp_prefix[TMP_PREFIX_LEN - 1] = '\0'; \
112 } while (0)
113
114 static inline void format_component(char **buf_ch, bool extended,
115 const char *prefix, const struct bt_component *component);
116
117 static inline void format_port(char **buf_ch, bool extended,
118 const char *prefix, const struct bt_port *port);
119
120 static inline void format_connection(char **buf_ch, bool extended,
121 const char *prefix, const struct bt_connection *connection);
122
123 static inline void format_clock_snapshot(char **buf_ch, bool extended,
124 const char *prefix, const struct bt_clock_snapshot *clock_snapshot);
125
126 static inline void format_field_path(char **buf_ch, bool extended,
127 const char *prefix, const struct bt_field_path *field_path);
128
129 static inline void format_object(char **buf_ch, bool extended,
130 const char *prefix, const struct bt_object *obj)
131 {
132 BUF_APPEND(", %sref-count=%llu", prefix, obj->ref_count);
133 }
134
135 static inline void format_uuid(char **buf_ch, bt_uuid uuid)
136 {
137 BUF_APPEND("\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
138 (unsigned int) uuid[0],
139 (unsigned int) uuid[1],
140 (unsigned int) uuid[2],
141 (unsigned int) uuid[3],
142 (unsigned int) uuid[4],
143 (unsigned int) uuid[5],
144 (unsigned int) uuid[6],
145 (unsigned int) uuid[7],
146 (unsigned int) uuid[8],
147 (unsigned int) uuid[9],
148 (unsigned int) uuid[10],
149 (unsigned int) uuid[11],
150 (unsigned int) uuid[12],
151 (unsigned int) uuid[13],
152 (unsigned int) uuid[14],
153 (unsigned int) uuid[15]);
154 }
155
156 static inline void format_object_pool(char **buf_ch, bool extended,
157 const char *prefix, const struct bt_object_pool *pool)
158 {
159 BUF_APPEND(", %ssize=%zu", PRFIELD(pool->size));
160
161 if (pool->objects) {
162 BUF_APPEND(", %scap=%u", PRFIELD(pool->objects->len));
163 }
164 }
165
166 static inline void format_integer_field_class(char **buf_ch,
167 bool extended, const char *prefix,
168 const struct bt_field_class *field_class)
169 {
170 const struct bt_field_class_integer *int_fc =
171 (const void *) field_class;
172
173 BUF_APPEND(", %srange-size=%" PRIu64 ", %sbase=%s",
174 PRFIELD(int_fc->range),
175 PRFIELD(bt_common_field_class_integer_preferred_display_base_string(int_fc->base)));
176 }
177
178 static inline void format_array_field_class(char **buf_ch,
179 bool extended, const char *prefix,
180 const struct bt_field_class *field_class)
181 {
182 const struct bt_field_class_array *array_fc =
183 (const void *) field_class;
184
185 BUF_APPEND(", %selement-fc-addr=%p, %selement-fc-type=%s",
186 PRFIELD(array_fc->element_fc),
187 PRFIELD(bt_common_field_class_type_string(array_fc->element_fc->type)));
188 }
189
190 static inline void format_field_class(char **buf_ch, bool extended,
191 const char *prefix, const struct bt_field_class *field_class)
192 {
193 char tmp_prefix[TMP_PREFIX_LEN];
194
195 BUF_APPEND(", %stype=%s",
196 PRFIELD(bt_common_field_class_type_string(field_class->type)));
197
198 if (extended) {
199 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field_class->frozen));
200 BUF_APPEND(", %sis-part-of-trace-class=%d",
201 PRFIELD(field_class->part_of_trace_class));
202 } else {
203 return;
204 }
205
206 switch (field_class->type) {
207 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
208 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
209 {
210 format_integer_field_class(buf_ch, extended, prefix, field_class);
211 break;
212 }
213 case BT_FIELD_CLASS_TYPE_REAL:
214 {
215 const struct bt_field_class_real *real_fc = (void *) field_class;
216
217 BUF_APPEND(", %sis-single-precision=%d",
218 PRFIELD(real_fc->is_single_precision));
219 break;
220 }
221 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
222 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
223 {
224 const struct bt_field_class_enumeration *enum_fc =
225 (const void *) field_class;
226
227 format_integer_field_class(buf_ch, extended, prefix, field_class);
228 BUF_APPEND(", %smapping-count=%u",
229 PRFIELD(enum_fc->mappings->len));
230 break;
231 }
232 case BT_FIELD_CLASS_TYPE_STRUCTURE:
233 {
234 const struct bt_field_class_structure *struct_fc =
235 (const void *) field_class;
236
237 if (struct_fc->common.named_fcs) {
238 BUF_APPEND(", %smember-count=%u",
239 PRFIELD(struct_fc->common.named_fcs->len));
240 }
241
242 break;
243 }
244 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
245 {
246 const struct bt_field_class_static_array *array_fc =
247 (const void *) field_class;
248
249 format_array_field_class(buf_ch, extended, prefix, field_class);
250 BUF_APPEND(", %slength=%" PRIu64, PRFIELD(array_fc->length));
251 break;
252 }
253 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
254 {
255 const struct bt_field_class_dynamic_array *array_fc =
256 (const void *) field_class;
257
258 format_array_field_class(buf_ch, extended, prefix, field_class);
259
260 if (array_fc->length_fc) {
261 SET_TMP_PREFIX("length-fc-");
262 format_field_class(buf_ch, extended, tmp_prefix,
263 array_fc->length_fc);
264 }
265
266 if (array_fc->length_field_path) {
267 SET_TMP_PREFIX("length-field-path-");
268 format_field_path(buf_ch, extended, tmp_prefix,
269 array_fc->length_field_path);
270 }
271
272 break;
273 }
274 case BT_FIELD_CLASS_TYPE_VARIANT:
275 {
276 const struct bt_field_class_variant *var_fc =
277 (const void *) field_class;
278
279 if (var_fc->common.named_fcs) {
280 BUF_APPEND(", %soption-count=%u",
281 PRFIELD(var_fc->common.named_fcs->len));
282 }
283
284 if (var_fc->selector_fc) {
285 SET_TMP_PREFIX("selector-fc-");
286 format_field_class(buf_ch, extended, tmp_prefix,
287 var_fc->selector_fc);
288 }
289
290 if (var_fc->selector_field_path) {
291 SET_TMP_PREFIX("selector-field-path-");
292 format_field_path(buf_ch, extended, tmp_prefix,
293 var_fc->selector_field_path);
294 }
295
296 break;
297 }
298 default:
299 break;
300 }
301 }
302
303 static inline void format_field_integer_extended(char **buf_ch,
304 const char *prefix, const struct bt_field *field)
305 {
306 const struct bt_field_integer *integer = (void *) field;
307 const struct bt_field_class_integer *field_class =
308 (void *) field->class;
309 const char *fmt = NULL;
310
311 BT_ASSERT(field_class);
312
313 if (field_class->base == BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL) {
314 fmt = ", %svalue=%" PRIo64;
315 } else if (field_class->base == BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL) {
316 fmt = ", %svalue=%" PRIx64;
317 }
318
319 if (field_class->common.type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER ||
320 field_class->common.type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION) {
321 if (!fmt) {
322 fmt = ", %svalue=%" PRId64;
323 }
324
325 BUF_APPEND(fmt, PRFIELD(integer->value.i));
326 } else {
327 if (!fmt) {
328 fmt = ", %svalue=%" PRIu64;
329 }
330
331 BUF_APPEND(fmt, PRFIELD(integer->value.u));
332 }
333 }
334
335 static inline void format_field(char **buf_ch, bool extended,
336 const char *prefix, const struct bt_field *field)
337 {
338 BUF_APPEND(", %sis-set=%d", PRFIELD(field->is_set));
339
340 if (extended) {
341 BUF_APPEND(", %sis-frozen=%d", PRFIELD(field->frozen));
342 }
343
344 BUF_APPEND(", %sclass-addr=%p", PRFIELD(field->class));
345
346 if (!field->class) {
347 return;
348 }
349
350 BUF_APPEND(", %sclass-type=%s",
351 PRFIELD(bt_common_field_class_type_string(field->class->type)));
352
353 if (!extended || !field->is_set) {
354 return;
355 }
356
357 switch (field->class->type) {
358 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
359 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
360 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
361 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
362 {
363 format_field_integer_extended(buf_ch, prefix, field);
364 break;
365 }
366 case BT_FIELD_CLASS_TYPE_REAL:
367 {
368 const struct bt_field_real *real_field = (const void *) field;
369
370 BUF_APPEND(", %svalue=%f", PRFIELD(real_field->value));
371 break;
372 }
373 case BT_FIELD_CLASS_TYPE_STRING:
374 {
375 const struct bt_field_string *str = (const void *) field;
376
377 if (str->buf) {
378 BT_ASSERT(str->buf->data);
379 BUF_APPEND(", %spartial-value=\"%.32s\"",
380 PRFIELD(str->buf->data));
381 }
382
383 break;
384 }
385 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
386 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
387 {
388 const struct bt_field_array *array_field = (const void *) field;
389
390 BUF_APPEND(", %slength=%" PRIu64, PRFIELD(array_field->length));
391
392 if (array_field->fields) {
393 BUF_APPEND(", %sallocated-length=%u",
394 PRFIELD(array_field->fields->len));
395 }
396
397 break;
398 }
399 case BT_FIELD_CLASS_TYPE_VARIANT:
400 {
401 const struct bt_field_variant *var_field = (const void *) field;
402
403 BUF_APPEND(", %sselected-field-index=%" PRIu64,
404 PRFIELD(var_field->selected_index));
405 break;
406 }
407 default:
408 break;
409 }
410 }
411
412 static inline void format_field_path(char **buf_ch, bool extended,
413 const char *prefix, const struct bt_field_path *field_path)
414 {
415 uint64_t i;
416
417 if (field_path->items) {
418 BT_ASSERT(field_path->items);
419 BUF_APPEND(", %sitem-count=%u",
420 PRFIELD(field_path->items->len));
421 }
422
423 if (!extended || !field_path->items) {
424 return;
425 }
426
427 BUF_APPEND(", %spath=[%s",
428 PRFIELD(bt_common_scope_string(field_path->root)));
429
430 for (i = 0; i < bt_field_path_get_item_count(field_path); i++) {
431 const struct bt_field_path_item *fp_item =
432 bt_field_path_borrow_item_by_index_const(field_path, i);
433
434 switch (bt_field_path_item_get_type(fp_item)) {
435 case BT_FIELD_PATH_ITEM_TYPE_INDEX:
436 BUF_APPEND(", %" PRIu64,
437 bt_field_path_item_index_get_index(fp_item));
438 break;
439 case BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT:
440 BUF_APPEND("%s", ", <CUR>");
441 break;
442 default:
443 abort();
444 }
445 }
446
447 BUF_APPEND("%s", "]");
448 }
449
450 static inline void format_trace_class(char **buf_ch, bool extended,
451 const char *prefix, const struct bt_trace_class *trace_class)
452 {
453 if (!extended) {
454 return;
455 }
456
457 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace_class->frozen));
458
459 if (trace_class->stream_classes) {
460 BUF_APPEND(", %sstream-class-count=%u",
461 PRFIELD(trace_class->stream_classes->len));
462 }
463
464 BUF_APPEND(", %sassigns-auto-sc-id=%d",
465 PRFIELD(trace_class->assigns_automatic_stream_class_id));
466 }
467
468 static inline void format_trace(char **buf_ch, bool extended,
469 const char *prefix, const struct bt_trace *trace)
470 {
471 char tmp_prefix[TMP_PREFIX_LEN];
472
473 if (trace->name.value) {
474 BUF_APPEND(", %sname=\"%s\"", PRFIELD(trace->name.value));
475 }
476
477 if (!extended) {
478 return;
479 }
480
481 if (trace->uuid.value) {
482 BUF_APPEND_UUID(trace->uuid.value);
483 }
484
485 BUF_APPEND(", %sis-frozen=%d", PRFIELD(trace->frozen));
486
487 if (trace->streams) {
488 BUF_APPEND(", %sstream-count=%u",
489 PRFIELD(trace->streams->len));
490 }
491
492 if (!trace->class) {
493 return;
494 }
495
496 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace->class));
497 SET_TMP_PREFIX("trace-class-");
498 format_trace_class(buf_ch, false, tmp_prefix, trace->class);
499 }
500
501 static inline void format_stream_class(char **buf_ch, bool extended,
502 const char *prefix,
503 const struct bt_stream_class *stream_class)
504 {
505 const struct bt_trace_class *trace_class;
506 char tmp_prefix[TMP_PREFIX_LEN];
507
508 BUF_APPEND(", %sid=%" PRIu64, PRFIELD(stream_class->id));
509
510 if (stream_class->name.value) {
511 BUF_APPEND(", %sname=\"%s\"",
512 PRFIELD(stream_class->name.value));
513 }
514
515 if (!extended) {
516 return;
517 }
518
519 BUF_APPEND(", %sis-frozen=%d", PRFIELD(stream_class->frozen));
520
521 if (stream_class->event_classes) {
522 BUF_APPEND(", %sevent-class-count=%u",
523 PRFIELD(stream_class->event_classes->len));
524 }
525
526 BUF_APPEND(", %spacket-context-fc-addr=%p, "
527 "%sevent-common-context-fc-addr=%p",
528 PRFIELD(stream_class->packet_context_fc),
529 PRFIELD(stream_class->event_common_context_fc));
530 trace_class = bt_stream_class_borrow_trace_class_inline(stream_class);
531 if (!trace_class) {
532 return;
533 }
534
535 BUF_APPEND(", %sassigns-auto-ec-id=%d, %sassigns-auto-stream-id=%d, "
536 "%spackets-have-default-beginning-cs=%d, "
537 "%spackets-have-default-end-cs=%d, "
538 "%ssupports-discarded-events=%d, "
539 "%sdiscarded-events-have-default-cs=%d, "
540 "%ssupports-discarded-packets=%d, "
541 "%sdiscarded-packets-have-default-cs=%d",
542 PRFIELD(stream_class->assigns_automatic_event_class_id),
543 PRFIELD(stream_class->assigns_automatic_stream_id),
544 PRFIELD(stream_class->packets_have_beginning_default_clock_snapshot),
545 PRFIELD(stream_class->packets_have_end_default_clock_snapshot),
546 PRFIELD(stream_class->supports_discarded_events),
547 PRFIELD(stream_class->discarded_events_have_default_clock_snapshots),
548 PRFIELD(stream_class->supports_discarded_packets),
549 PRFIELD(stream_class->discarded_packets_have_default_clock_snapshots));
550 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class));
551 SET_TMP_PREFIX("trace-class-");
552 format_trace_class(buf_ch, false, tmp_prefix, trace_class);
553 SET_TMP_PREFIX("pcf-pool-");
554 format_object_pool(buf_ch, extended, tmp_prefix,
555 &stream_class->packet_context_field_pool);
556 }
557
558 static inline void format_event_class(char **buf_ch, bool extended,
559 const char *prefix, const struct bt_event_class *event_class)
560 {
561 const struct bt_stream_class *stream_class;
562 const struct bt_trace_class *trace_class;
563 char tmp_prefix[TMP_PREFIX_LEN];
564
565 BUF_APPEND(", %sid=%" PRIu64, PRFIELD(event_class->id));
566
567 if (event_class->name.value) {
568 BUF_APPEND(", %sname=\"%s\"",
569 PRFIELD(event_class->name.value));
570 }
571
572 if (!extended) {
573 return;
574 }
575
576 BUF_APPEND(", %sis-frozen=%d", PRFIELD(event_class->frozen));
577
578 if (event_class->log_level.base.avail) {
579 BUF_APPEND(", %slog-level=%s",
580 PRFIELD(bt_common_event_class_log_level_string(
581 (int) event_class->log_level.value)));
582 }
583
584 if (event_class->emf_uri.value) {
585 BUF_APPEND(", %semf-uri=\"%s\"",
586 PRFIELD(event_class->emf_uri.value));
587 }
588
589 BUF_APPEND(", %sspecific-context-fc-addr=%p, %spayload-fc-addr=%p",
590 PRFIELD(event_class->specific_context_fc),
591 PRFIELD(event_class->payload_fc));
592
593 stream_class = bt_event_class_borrow_stream_class_const(event_class);
594 if (!stream_class) {
595 return;
596 }
597
598 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class));
599 SET_TMP_PREFIX("stream-class-");
600 format_stream_class(buf_ch, false, tmp_prefix, stream_class);
601 trace_class = bt_stream_class_borrow_trace_class_inline(stream_class);
602 if (!trace_class) {
603 return;
604 }
605
606 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class));
607 SET_TMP_PREFIX("trace-class-");
608 format_trace_class(buf_ch, false, tmp_prefix, trace_class);
609 SET_TMP_PREFIX("event-pool-");
610 format_object_pool(buf_ch, extended, tmp_prefix,
611 &event_class->event_pool);
612 }
613
614 static inline void format_stream(char **buf_ch, bool extended,
615 const char *prefix, const struct bt_stream *stream)
616 {
617 const struct bt_stream_class *stream_class;
618 const struct bt_trace_class *trace_class = NULL;
619 const struct bt_trace *trace = NULL;
620 char tmp_prefix[TMP_PREFIX_LEN];
621
622 BUF_APPEND(", %sid=%" PRIu64, PRFIELD(stream->id));
623
624 if (stream->name.value) {
625 BUF_APPEND(", %sname=\"%s\"", PRFIELD(stream->name.value));
626 }
627
628 if (!extended) {
629 return;
630 }
631
632 stream_class = bt_stream_borrow_class_const(stream);
633 if (stream_class) {
634 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class));
635 SET_TMP_PREFIX("stream-class-");
636 format_stream_class(buf_ch, false, tmp_prefix, stream_class);
637 trace_class = bt_stream_class_borrow_trace_class_inline(stream_class);
638 }
639
640 if (trace_class) {
641 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class));
642 SET_TMP_PREFIX("trace-class-");
643 format_trace_class(buf_ch, false, tmp_prefix, trace_class);
644 }
645
646 trace = bt_stream_borrow_trace_inline(stream);
647 if (trace) {
648 BUF_APPEND(", %strace-addr=%p", PRFIELD(trace));
649 SET_TMP_PREFIX("trace-");
650 format_trace(buf_ch, false, tmp_prefix, trace);
651 }
652
653 SET_TMP_PREFIX("packet-pool-");
654 format_object_pool(buf_ch, extended, tmp_prefix, &stream->packet_pool);
655 }
656
657 static inline void format_packet(char **buf_ch, bool extended,
658 const char *prefix, const struct bt_packet *packet)
659 {
660 const struct bt_stream *stream;
661 const struct bt_trace_class *trace_class;
662 char tmp_prefix[TMP_PREFIX_LEN];
663
664 if (!extended) {
665 return;
666 }
667
668 BUF_APPEND(", %sis-frozen=%d, %scontext-field-addr=%p",
669 PRFIELD(packet->frozen),
670 PRFIELD(packet->context_field ? packet->context_field->field : NULL));
671 stream = bt_packet_borrow_stream_const(packet);
672 if (!stream) {
673 return;
674 }
675
676 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream));
677 SET_TMP_PREFIX("stream-");
678 format_stream(buf_ch, false, tmp_prefix, stream);
679 trace_class = (const struct bt_trace_class *) bt_object_borrow_parent(&stream->base);
680 if (!trace_class) {
681 return;
682 }
683
684 BUF_APPEND(", %strace-class-addr=%p", PRFIELD(trace_class));
685 SET_TMP_PREFIX("trace-class-");
686 format_trace_class(buf_ch, false, tmp_prefix, trace_class);
687 }
688
689 static inline void format_event(char **buf_ch, bool extended,
690 const char *prefix, const struct bt_event *event)
691 {
692 const struct bt_packet *packet;
693 const struct bt_stream *stream;
694 const struct bt_trace_class *trace_class;
695 const struct bt_stream_class *stream_class;
696 char tmp_prefix[TMP_PREFIX_LEN];
697
698 if (!extended) {
699 return;
700 }
701
702 BUF_APPEND(", %sis-frozen=%d, "
703 "%scommon-context-field-addr=%p, "
704 "%sspecific-context-field-addr=%p, "
705 "%spayload-field-addr=%p, ",
706 PRFIELD(event->frozen),
707 PRFIELD(event->common_context_field),
708 PRFIELD(event->specific_context_field),
709 PRFIELD(event->payload_field));
710 BUF_APPEND(", %sevent-class-addr=%p", PRFIELD(event->class));
711
712 if (!event->class) {
713 return;
714 }
715
716 SET_TMP_PREFIX("event-class-");
717 format_event_class(buf_ch, false, tmp_prefix, event->class);
718 stream_class = bt_event_class_borrow_stream_class(event->class);
719 if (stream_class) {
720 BUF_APPEND(", %sstream-class-addr=%p", PRFIELD(stream_class));
721 SET_TMP_PREFIX("stream-class-");
722 format_stream_class(buf_ch, false, tmp_prefix,
723 stream_class);
724
725 trace_class = bt_stream_class_borrow_trace_class_inline(
726 stream_class);
727 if (trace_class) {
728 BUF_APPEND(", %strace-class-addr=%p",
729 PRFIELD(trace_class));
730 SET_TMP_PREFIX("trace-class-");
731 format_trace_class(buf_ch, false, tmp_prefix,
732 trace_class);
733 }
734 }
735
736 packet = bt_event_borrow_packet_const(event);
737 if (!packet) {
738 return;
739 }
740
741 BUF_APPEND(", %spacket-addr=%p", PRFIELD(packet));
742 SET_TMP_PREFIX("packet-");
743 format_packet(buf_ch, false, tmp_prefix, packet);
744 stream = bt_packet_borrow_stream_const(packet);
745 if (!stream) {
746 return;
747 }
748
749 BUF_APPEND(", %sstream-addr=%p", PRFIELD(stream));
750 SET_TMP_PREFIX("stream-");
751 format_stream(buf_ch, false, tmp_prefix, stream);
752 }
753
754 static inline void format_clock_class(char **buf_ch, bool extended,
755 const char *prefix, const struct bt_clock_class *clock_class)
756 {
757 char tmp_prefix[TMP_PREFIX_LEN];
758
759 if (clock_class->name.value) {
760 BUF_APPEND(", %sname=\"%s\"", PRFIELD(clock_class->name.value));
761 }
762
763 BUF_APPEND(", %sfreq=%" PRIu64, PRFIELD(clock_class->frequency));
764
765 if (!extended) {
766 return;
767 }
768
769 if (clock_class->description.value) {
770 BUF_APPEND(", %spartial-descr=\"%.32s\"",
771 PRFIELD(clock_class->description.value));
772 }
773
774 if (clock_class->uuid.value) {
775 BUF_APPEND_UUID(clock_class->uuid.value);
776 }
777
778 BUF_APPEND(", %sis-frozen=%d, %sprecision=%" PRIu64 ", "
779 "%soffset-s=%" PRId64 ", "
780 "%soffset-cycles=%" PRIu64 ", %sorigin-is-unix-epoch=%d, "
781 "%sbase-offset-ns=%" PRId64,
782 PRFIELD(clock_class->frozen), PRFIELD(clock_class->precision),
783 PRFIELD(clock_class->offset_seconds),
784 PRFIELD(clock_class->offset_cycles),
785 PRFIELD(clock_class->origin_is_unix_epoch),
786 PRFIELD(clock_class->base_offset.value_ns));
787
788 SET_TMP_PREFIX("cs-pool-");
789 format_object_pool(buf_ch, extended, tmp_prefix,
790 &clock_class->cs_pool);
791 }
792
793 static inline void format_clock_snapshot(char **buf_ch, bool extended,
794 const char *prefix, const struct bt_clock_snapshot *clock_snapshot)
795 {
796 char tmp_prefix[TMP_PREFIX_LEN];
797 BUF_APPEND(", %svalue=%" PRIu64 ", %sns-from-origin=%" PRId64,
798 PRFIELD(clock_snapshot->value_cycles),
799 PRFIELD(clock_snapshot->ns_from_origin));
800
801 if (!extended) {
802 return;
803 }
804
805 BUF_APPEND(", %sis-set=%d", PRFIELD(clock_snapshot->is_set));
806
807 if (clock_snapshot->clock_class) {
808 BUF_APPEND(", %sclock-class-addr=%p",
809 PRFIELD(clock_snapshot->clock_class));
810 SET_TMP_PREFIX("clock-class-");
811 format_clock_class(buf_ch, false, tmp_prefix,
812 clock_snapshot->clock_class);
813 }
814 }
815
816 static inline void format_value(char **buf_ch, bool extended,
817 const char *prefix, const struct bt_value *value)
818 {
819 BUF_APPEND(", %stype=%s",
820 PRFIELD(bt_common_value_type_string(bt_value_get_type(value))));
821
822 if (!extended) {
823 return;
824 }
825
826 switch (bt_value_get_type(value)) {
827 case BT_VALUE_TYPE_BOOL:
828 {
829 bt_bool val = bt_value_bool_get(value);
830
831 BUF_APPEND(", %svalue=%d", PRFIELD(val));
832 break;
833 }
834 case BT_VALUE_TYPE_UNSIGNED_INTEGER:
835 {
836 BUF_APPEND(", %svalue=%" PRIu64,
837 PRFIELD(bt_value_unsigned_integer_get(value)));
838 break;
839 }
840 case BT_VALUE_TYPE_SIGNED_INTEGER:
841 {
842 BUF_APPEND(", %svalue=%" PRId64,
843 PRFIELD(bt_value_signed_integer_get(value)));
844 break;
845 }
846 case BT_VALUE_TYPE_REAL:
847 {
848 double val = bt_value_real_get(value);
849
850 BUF_APPEND(", %svalue=%f", PRFIELD(val));
851 break;
852 }
853 case BT_VALUE_TYPE_STRING:
854 {
855 const char *val = bt_value_string_get(value);
856
857 BUF_APPEND(", %spartial-value=\"%.32s\"", PRFIELD(val));
858 break;
859 }
860 case BT_VALUE_TYPE_ARRAY:
861 {
862 int64_t count = bt_value_array_get_size(value);
863
864 BT_ASSERT(count >= 0);
865 BUF_APPEND(", %selement-count=%" PRId64, PRFIELD(count));
866 break;
867 }
868 case BT_VALUE_TYPE_MAP:
869 {
870 int64_t count = bt_value_map_get_size(value);
871
872 BT_ASSERT(count >= 0);
873 BUF_APPEND(", %selement-count=%" PRId64, PRFIELD(count));
874 break;
875 }
876 default:
877 break;
878 }
879 }
880
881 static inline void format_message(char **buf_ch, bool extended,
882 const char *prefix, const struct bt_message *msg)
883 {
884 char tmp_prefix[TMP_PREFIX_LEN];
885
886 BUF_APPEND(", %stype=%s",
887 PRFIELD(bt_message_type_string(msg->type)));
888
889 if (!extended) {
890 return;
891 }
892
893 BUF_APPEND(", %sis-frozen=%d, %sgraph-addr=%p",
894 PRFIELD(msg->frozen), PRFIELD(msg->graph));
895
896 switch (msg->type) {
897 case BT_MESSAGE_TYPE_EVENT:
898 {
899 const struct bt_message_event *msg_event =
900 (const void *) msg;
901
902 if (msg_event->event) {
903 SET_TMP_PREFIX("event-");
904 format_event(buf_ch, true, tmp_prefix,
905 msg_event->event);
906 }
907
908 if (msg_event->default_cs) {
909 SET_TMP_PREFIX("default-cs-");
910 format_clock_snapshot(buf_ch, true, tmp_prefix,
911 msg_event->default_cs);
912 }
913
914 break;
915 }
916 case BT_MESSAGE_TYPE_STREAM_BEGINNING:
917 case BT_MESSAGE_TYPE_STREAM_END:
918 {
919 const struct bt_message_stream *msg_stream = (const void *) msg;
920
921 if (msg_stream->stream) {
922 SET_TMP_PREFIX("stream-");
923 format_stream(buf_ch, true, tmp_prefix,
924 msg_stream->stream);
925 }
926
927 BUF_APPEND(", %sdefault-cs-state=%s",
928 PRFIELD(bt_message_stream_clock_snapshot_state_string(
929 msg_stream->default_cs_state)));
930
931 if (msg_stream->default_cs_state == BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_KNOWN) {
932 SET_TMP_PREFIX("default-cs-");
933 format_clock_snapshot(buf_ch, true, tmp_prefix,
934 msg_stream->default_cs);
935 }
936
937 break;
938 }
939 case BT_MESSAGE_TYPE_PACKET_BEGINNING:
940 case BT_MESSAGE_TYPE_PACKET_END:
941 {
942 const struct bt_message_packet *msg_packet = (const void *) msg;
943
944 if (msg_packet->packet) {
945 SET_TMP_PREFIX("packet-");
946 format_packet(buf_ch, true, tmp_prefix,
947 msg_packet->packet);
948 }
949
950 if (msg_packet->default_cs) {
951 SET_TMP_PREFIX("default-cs-");
952 format_clock_snapshot(buf_ch, true, tmp_prefix,
953 msg_packet->default_cs);
954 }
955
956 break;
957 }
958 case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
959 case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
960 {
961 const struct bt_message_discarded_items *msg_disc_items =
962 (const void *) msg;
963
964 if (msg_disc_items->stream) {
965 SET_TMP_PREFIX("stream-");
966 format_stream(buf_ch, true, tmp_prefix,
967 msg_disc_items->stream);
968 }
969
970 if (msg_disc_items->default_begin_cs) {
971 SET_TMP_PREFIX("default-begin-cs-");
972 format_clock_snapshot(buf_ch, true, tmp_prefix,
973 msg_disc_items->default_begin_cs);
974 }
975
976 if (msg_disc_items->default_end_cs) {
977 SET_TMP_PREFIX("default-end-cs-");
978 format_clock_snapshot(buf_ch, true, tmp_prefix,
979 msg_disc_items->default_end_cs);
980 }
981
982 if (msg_disc_items->count.base.avail) {
983 BUF_APPEND(", %scount=%" PRIu64,
984 PRFIELD(msg_disc_items->count.value));
985 }
986
987 break;
988 }
989 default:
990 break;
991 }
992 }
993
994 static inline void format_plugin_so_shared_lib_handle(char **buf_ch,
995 const char *prefix,
996 const struct bt_plugin_so_shared_lib_handle *handle)
997 {
998 BUF_APPEND(", %saddr=%p", PRFIELD(handle));
999
1000 if (handle->path) {
1001 BUF_APPEND(", %spath=\"%s\"", PRFIELD_GSTRING(handle->path));
1002 }
1003 }
1004
1005 static inline void format_component_class(char **buf_ch, bool extended,
1006 const char *prefix,
1007 const struct bt_component_class *comp_class)
1008 {
1009 char tmp_prefix[TMP_PREFIX_LEN];
1010
1011 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1012 PRFIELD(bt_component_class_type_string(comp_class->type)),
1013 PRFIELD_GSTRING(comp_class->name));
1014
1015 if (comp_class->description) {
1016 BUF_APPEND(", %spartial-descr=\"%.32s\"",
1017 PRFIELD_GSTRING(comp_class->description));
1018 }
1019
1020 if (!extended) {
1021 return;
1022 }
1023
1024 BUF_APPEND(", %sis-frozen=%d", PRFIELD(comp_class->frozen));
1025
1026 if (comp_class->so_handle) {
1027 SET_TMP_PREFIX("so-handle-");
1028 format_plugin_so_shared_lib_handle(buf_ch, tmp_prefix,
1029 comp_class->so_handle);
1030 }
1031 }
1032
1033 static inline void format_component(char **buf_ch, bool extended,
1034 const char *prefix, const struct bt_component *component)
1035 {
1036 char tmp_prefix[TMP_PREFIX_LEN];
1037
1038 BUF_APPEND(", %sname=\"%s\", %slog-level=%s",
1039 PRFIELD_GSTRING(component->name),
1040 PRFIELD(bt_common_logging_level_string(component->log_level)));
1041
1042 if (component->class) {
1043 SET_TMP_PREFIX("class-");
1044 format_component_class(buf_ch, extended, tmp_prefix,
1045 component->class);
1046 }
1047
1048 if (!extended) {
1049 return;
1050 }
1051
1052 if (component->input_ports) {
1053 BUF_APPEND(", %sinput-port-count=%u",
1054 PRFIELD(component->input_ports->len));
1055 }
1056
1057 if (component->output_ports) {
1058 BUF_APPEND(", %soutput-port-count=%u",
1059 PRFIELD(component->output_ports->len));
1060 }
1061 }
1062
1063 static inline void format_port(char **buf_ch, bool extended,
1064 const char *prefix, const struct bt_port *port)
1065 {
1066 char tmp_prefix[TMP_PREFIX_LEN];
1067
1068 BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1069 PRFIELD(bt_port_type_string(port->type)),
1070 PRFIELD_GSTRING(port->name));
1071
1072 if (!extended) {
1073 return;
1074 }
1075
1076 if (port->connection) {
1077 SET_TMP_PREFIX("conn-");
1078 format_connection(buf_ch, false, tmp_prefix, port->connection);
1079 }
1080 }
1081
1082 static inline void format_connection(char **buf_ch, bool extended,
1083 const char *prefix, const struct bt_connection *connection)
1084 {
1085 char tmp_prefix[TMP_PREFIX_LEN];
1086
1087 if (!extended) {
1088 return;
1089 }
1090
1091 if (connection->upstream_port) {
1092 SET_TMP_PREFIX("upstream-port-");
1093 format_port(buf_ch, false, tmp_prefix,
1094 connection->upstream_port);
1095 }
1096
1097 if (connection->downstream_port) {
1098 SET_TMP_PREFIX("downstream-port-");
1099 format_port(buf_ch, false, tmp_prefix,
1100 connection->downstream_port);
1101 }
1102 }
1103
1104 static inline void format_graph(char **buf_ch, bool extended,
1105 const char *prefix, const struct bt_graph *graph)
1106 {
1107 char tmp_prefix[TMP_PREFIX_LEN];
1108
1109 BUF_APPEND(", %sis-canceled=%d, %scan-consume=%d, "
1110 "%sconfig-state=%s",
1111 PRFIELD(graph->canceled),
1112 PRFIELD(graph->can_consume),
1113 PRFIELD(bt_graph_configuration_state_string(graph->config_state)));
1114
1115 if (!extended) {
1116 return;
1117 }
1118
1119 if (graph->components) {
1120 BUF_APPEND(", %scomp-count=%u",
1121 PRFIELD(graph->components->len));
1122 }
1123
1124 if (graph->connections) {
1125 BUF_APPEND(", %sconn-count=%u",
1126 PRFIELD(graph->connections->len));
1127 }
1128
1129 SET_TMP_PREFIX("en-pool-");
1130 format_object_pool(buf_ch, extended, tmp_prefix,
1131 &graph->event_msg_pool);
1132 SET_TMP_PREFIX("pbn-pool-");
1133 format_object_pool(buf_ch, extended, tmp_prefix,
1134 &graph->packet_begin_msg_pool);
1135 SET_TMP_PREFIX("pen-pool-");
1136 format_object_pool(buf_ch, extended, tmp_prefix,
1137 &graph->packet_end_msg_pool);
1138 }
1139
1140 static inline void format_message_iterator(char **buf_ch,
1141 bool extended, const char *prefix,
1142 const struct bt_message_iterator *iterator)
1143 {
1144 const char *type;
1145 char tmp_prefix[TMP_PREFIX_LEN];
1146
1147 if (iterator->type == BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT) {
1148 type = "BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT";
1149 } else if (iterator->type == BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT) {
1150 type = "BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT";
1151 } else {
1152 type = "(unknown)";
1153 }
1154
1155 BUF_APPEND(", %stype=%s", PRFIELD(type));
1156
1157 switch (iterator->type) {
1158 case BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT:
1159 {
1160 const struct bt_self_component_port_input_message_iterator *
1161 port_in_iter = (const void *) iterator;
1162
1163 if (port_in_iter->upstream_component) {
1164 SET_TMP_PREFIX("upstream-comp-");
1165 format_component(buf_ch, false, tmp_prefix,
1166 port_in_iter->upstream_component);
1167 }
1168
1169 if (port_in_iter->upstream_port) {
1170 SET_TMP_PREFIX("upstream-port-");
1171 format_port(buf_ch, false, tmp_prefix,
1172 port_in_iter->upstream_port);
1173 }
1174
1175 if (port_in_iter->connection) {
1176 SET_TMP_PREFIX("upstream-conn-");
1177 format_connection(buf_ch, false, tmp_prefix,
1178 port_in_iter->connection);
1179 }
1180 break;
1181 }
1182 case BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT:
1183 {
1184 const struct bt_port_output_message_iterator *port_out_iter =
1185 (const void *) iterator;
1186
1187 if (port_out_iter->graph) {
1188 SET_TMP_PREFIX("graph-");
1189 format_graph(buf_ch, false, tmp_prefix,
1190 port_out_iter->graph);
1191 }
1192
1193 if (port_out_iter->colander) {
1194 SET_TMP_PREFIX("colander-comp-");
1195 format_component(buf_ch, false, tmp_prefix,
1196 (void *) port_out_iter->colander);
1197 }
1198
1199 break;
1200 }
1201 default:
1202 break;
1203 }
1204 }
1205
1206 static inline void format_plugin(char **buf_ch, bool extended,
1207 const char *prefix, const struct bt_plugin *plugin)
1208 {
1209 char tmp_prefix[TMP_PREFIX_LEN];
1210
1211 BUF_APPEND(", %stype=%s", PRFIELD(bt_plugin_type_string(plugin->type)));
1212
1213 if (plugin->info.path_set) {
1214 BUF_APPEND(", %spath=\"%s\"",
1215 PRFIELD_GSTRING(plugin->info.path));
1216 }
1217
1218 if (plugin->info.name_set) {
1219 BUF_APPEND(", %sname=\"%s\"",
1220 PRFIELD_GSTRING(plugin->info.name));
1221 }
1222
1223 if (!extended) {
1224 return;
1225 }
1226
1227 if (plugin->info.author_set) {
1228 BUF_APPEND(", %sauthor=\"%s\"",
1229 PRFIELD_GSTRING(plugin->info.author));
1230 }
1231
1232 if (plugin->info.license_set) {
1233 BUF_APPEND(", %slicense=\"%s\"",
1234 PRFIELD_GSTRING(plugin->info.license));
1235 }
1236
1237 if (plugin->info.version_set) {
1238 BUF_APPEND(", %sversion=%u.%u.%u%s",
1239 PRFIELD(plugin->info.version.major),
1240 plugin->info.version.minor,
1241 plugin->info.version.patch,
1242 plugin->info.version.extra ?
1243 plugin->info.version.extra->str : "");
1244 }
1245
1246 BUF_APPEND(", %ssrc-comp-class-count=%u, %sflt-comp-class-count=%u, "
1247 "%ssink-comp-class-count=%u",
1248 PRFIELD(plugin->src_comp_classes->len),
1249 PRFIELD(plugin->flt_comp_classes->len),
1250 PRFIELD(plugin->sink_comp_classes->len));
1251
1252 if (plugin->spec_data) {
1253 const struct bt_plugin_so_spec_data *spec_data =
1254 (const void *) plugin->spec_data;
1255
1256 if (spec_data->shared_lib_handle) {
1257 SET_TMP_PREFIX("so-handle-");
1258 format_plugin_so_shared_lib_handle(buf_ch, tmp_prefix,
1259 spec_data->shared_lib_handle);
1260 }
1261 }
1262 }
1263
1264 static inline void format_error_cause(char **buf_ch, bool extended,
1265 const char *prefix, const struct bt_error_cause *cause)
1266 {
1267 const struct bt_error_cause_component_class_id *comp_class_id = NULL;
1268
1269 BUF_APPEND(", %sactor-type=%s, %smodule-name=\"%s\"",
1270 PRFIELD(bt_error_cause_actor_type_string(cause->actor_type)),
1271 PRFIELD_GSTRING(cause->module_name));
1272
1273 if (!extended) {
1274 return;
1275 }
1276
1277 BUF_APPEND(", %spartial-msg=\"%.32s\"",
1278 PRFIELD_GSTRING(cause->message));
1279
1280 switch (cause->actor_type) {
1281 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT:
1282 {
1283 const struct bt_error_cause_component_actor *spec_cause =
1284 (const void *) cause;
1285
1286 BUF_APPEND(", %scomp-name=\"%s\"",
1287 PRFIELD_GSTRING(spec_cause->comp_name));
1288 comp_class_id = &spec_cause->comp_class_id;
1289 break;
1290 }
1291 case BT_ERROR_CAUSE_ACTOR_TYPE_COMPONENT_CLASS:
1292 {
1293 const struct bt_error_cause_component_class_actor *spec_cause =
1294 (const void *) cause;
1295
1296 comp_class_id = &spec_cause->comp_class_id;
1297 break;
1298 }
1299 case BT_ERROR_CAUSE_ACTOR_TYPE_MESSAGE_ITERATOR:
1300 {
1301 const struct bt_error_cause_message_iterator_actor *spec_cause =
1302 (const void *) cause;
1303
1304 BUF_APPEND(", %scomp-name=\"%s\", %scomp-out-port-name=\"%s\"",
1305 PRFIELD_GSTRING(spec_cause->comp_name),
1306 PRFIELD_GSTRING(spec_cause->output_port_name));
1307 comp_class_id = &spec_cause->comp_class_id;
1308 break;
1309 }
1310 default:
1311 break;
1312 }
1313
1314 if (comp_class_id) {
1315 BUF_APPEND(", %scomp-cls-type=%s, %scomp-cls-name=\"%s\", "
1316 "%splugin-name=\"%s\"",
1317 PRFIELD(bt_component_class_type_string(
1318 comp_class_id->type)),
1319 PRFIELD_GSTRING(comp_class_id->name),
1320 PRFIELD_GSTRING(comp_class_id->plugin_name));
1321 }
1322 }
1323
1324 static inline void handle_conversion_specifier_bt(void *priv_data,
1325 char **buf_ch, size_t avail_size,
1326 const char **out_fmt_ch, va_list *args)
1327 {
1328 const char *fmt_ch = *out_fmt_ch;
1329 bool extended = false;
1330 char prefix[64];
1331 char *prefix_ch = prefix;
1332 const void *obj;
1333
1334 /* skip "%!" */
1335 fmt_ch += 2;
1336
1337 if (*fmt_ch == 'u') {
1338 /* UUID */
1339 obj = va_arg(*args, void *);
1340 format_uuid(buf_ch, obj);
1341 goto update_fmt;
1342 }
1343
1344 if (*fmt_ch == '[') {
1345 /* local prefix */
1346 fmt_ch++;
1347
1348 while (true) {
1349 if (*fmt_ch == ']') {
1350 *prefix_ch = '\0';
1351 fmt_ch++;
1352 break;
1353 }
1354
1355 *prefix_ch = *fmt_ch;
1356 prefix_ch++;
1357 fmt_ch++;
1358 }
1359 }
1360
1361 *prefix_ch = '\0';
1362
1363 if (*fmt_ch == '+') {
1364 extended = true;
1365 fmt_ch++;
1366 }
1367
1368 obj = va_arg(*args, void *);
1369 BUF_APPEND("%saddr=%p", prefix, obj);
1370
1371 if (!obj) {
1372 goto update_fmt;
1373 }
1374
1375 switch (*fmt_ch) {
1376 case 'F':
1377 format_field_class(buf_ch, extended, prefix, obj);
1378 break;
1379 case 'f':
1380 format_field(buf_ch, extended, prefix, obj);
1381 break;
1382 case 'P':
1383 format_field_path(buf_ch, extended, prefix, obj);
1384 break;
1385 case 'E':
1386 format_event_class(buf_ch, extended, prefix, obj);
1387 break;
1388 case 'e':
1389 format_event(buf_ch, extended, prefix, obj);
1390 break;
1391 case 'S':
1392 format_stream_class(buf_ch, extended, prefix, obj);
1393 break;
1394 case 's':
1395 format_stream(buf_ch, extended, prefix, obj);
1396 break;
1397 case 'a':
1398 format_packet(buf_ch, extended, prefix, obj);
1399 break;
1400 case 't':
1401 format_trace(buf_ch, extended, prefix, obj);
1402 break;
1403 case 'T':
1404 format_trace_class(buf_ch, extended, prefix, obj);
1405 break;
1406 case 'K':
1407 format_clock_class(buf_ch, extended, prefix, obj);
1408 break;
1409 case 'k':
1410 format_clock_snapshot(buf_ch, extended, prefix, obj);
1411 break;
1412 case 'v':
1413 format_value(buf_ch, extended, prefix, obj);
1414 break;
1415 case 'n':
1416 format_message(buf_ch, extended, prefix, obj);
1417 break;
1418 case 'i':
1419 format_message_iterator(buf_ch, extended, prefix, obj);
1420 break;
1421 case 'C':
1422 format_component_class(buf_ch, extended, prefix, obj);
1423 break;
1424 case 'c':
1425 format_component(buf_ch, extended, prefix, obj);
1426 break;
1427 case 'p':
1428 format_port(buf_ch, extended, prefix, obj);
1429 break;
1430 case 'x':
1431 format_connection(buf_ch, extended, prefix, obj);
1432 break;
1433 case 'l':
1434 format_plugin(buf_ch, extended, prefix, obj);
1435 break;
1436 case 'g':
1437 format_graph(buf_ch, extended, prefix, obj);
1438 break;
1439 case 'o':
1440 format_object_pool(buf_ch, extended, prefix, obj);
1441 break;
1442 case 'O':
1443 format_object(buf_ch, extended, prefix, obj);
1444 break;
1445 case 'r':
1446 format_error_cause(buf_ch, extended, prefix, obj);
1447 break;
1448 default:
1449 abort();
1450 }
1451
1452 update_fmt:
1453 fmt_ch++;
1454 *out_fmt_ch = fmt_ch;
1455 }
1456
1457 void bt_lib_log(const char *func, const char *file, unsigned line,
1458 int lvl, const char *tag, const char *fmt, ...)
1459 {
1460 va_list args;
1461
1462 BT_ASSERT(fmt);
1463 va_start(args, fmt);
1464 bt_common_custom_vsnprintf(lib_logging_buf, LIB_LOGGING_BUF_SIZE, '!',
1465 handle_conversion_specifier_bt, NULL, fmt, &args);
1466 va_end(args);
1467 _bt_log_write_d(func, file, line, lvl, tag, "%s", lib_logging_buf);
1468 }
1469
1470 void bt_lib_maybe_log_and_append_cause(const char *func, const char *file,
1471 unsigned line, int lvl, const char *tag,
1472 const char *fmt, ...)
1473 {
1474 va_list args;
1475 bt_current_thread_error_append_cause_status status;
1476
1477 BT_ASSERT(fmt);
1478 va_start(args, fmt);
1479 bt_common_custom_vsnprintf(lib_logging_buf, LIB_LOGGING_BUF_SIZE, '!',
1480 handle_conversion_specifier_bt, NULL, fmt, &args);
1481 va_end(args);
1482
1483 /* Log conditionally, but always append the error cause */
1484 if (BT_LOG_ON(lvl)) {
1485 _bt_log_write_d(func, file, line, lvl, tag, "%s",
1486 lib_logging_buf);
1487 }
1488
1489 status = bt_current_thread_error_append_cause_from_unknown(
1490 "Babeltrace library", file, line, "%s", lib_logging_buf);
1491 if (status) {
1492 /*
1493 * Worst case: this error cause is not appended to the
1494 * current thread's error.
1495 *
1496 * We can accept this as it's an almost impossible
1497 * scenario and returning an error here would mean you
1498 * need to check the return value of each
1499 * BT_LIB_LOG*_APPEND_CAUSE() macro and that would be
1500 * cumbersome.
1501 */
1502 BT_LOGE("Cannot append error cause to current thread's "
1503 "error object: status=%s",
1504 bt_common_func_status_string(status));
1505 }
1506 }
BabelTrace - Trace Format Babel Tower
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