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