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