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