lib/lib-logging.c

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