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