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