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