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_UNSIGNED_INTEGER:
 823         {
 824                 BUF_APPEND(", %svalue=%" PRIu64,
 825                         PRFIELD(bt_value_unsigned_integer_get(value)));
 826                 break;
 827         }
 828         case BT_VALUE_TYPE_SIGNED_INTEGER:
 829         {
 830                 BUF_APPEND(", %svalue=%" PRId64,
 831                         PRFIELD(bt_value_signed_integer_get(value)));
 832                 break;
 833         }
 834         case BT_VALUE_TYPE_REAL:
 835         {
 836                 double val = bt_value_real_get(value);
 837
 838                 BUF_APPEND(", %svalue=%f", PRFIELD(val));
 839                 break;
 840         }
 841         case BT_VALUE_TYPE_STRING:
 842         {
 843                 const char *val = bt_value_string_get(value);
 844
 845                 BUF_APPEND(", %spartial-value=\"%.32s\"", PRFIELD(val));
 846                 break;
 847         }
 848         case BT_VALUE_TYPE_ARRAY:
 849         {
 850                 int64_t count = bt_value_array_get_size(value);
 851
 852                 BT_ASSERT(count >= 0);
 853                 BUF_APPEND(", %selement-count=%" PRId64, PRFIELD(count));
 854                 break;
 855         }
 856         case BT_VALUE_TYPE_MAP:
 857         {
 858                 int64_t count = bt_value_map_get_size(value);
 859
 860                 BT_ASSERT(count >= 0);
 861                 BUF_APPEND(", %selement-count=%" PRId64, PRFIELD(count));
 862                 break;
 863         }
 864         default:
 865                 break;
 866         }
 867 }
 868
 869 static inline void format_message(char **buf_ch, bool extended,
 870                 const char *prefix, const struct bt_message *msg)
 871 {
 872         char tmp_prefix[64];
 873
 874         BUF_APPEND(", %stype=%s",
 875                 PRFIELD(bt_message_type_string(msg->type)));
 876
 877         if (!extended) {
 878                 return;
 879         }
 880
 881         BUF_APPEND(", %sis-frozen=%d, %sgraph-addr=%p",
 882                 PRFIELD(msg->frozen), PRFIELD(msg->graph));
 883
 884         switch (msg->type) {
 885         case BT_MESSAGE_TYPE_EVENT:
 886         {
 887                 const struct bt_message_event *msg_event =
 888                         (const void *) msg;
 889
 890                 if (msg_event->event) {
 891                         SET_TMP_PREFIX("event-");
 892                         format_event(buf_ch, true, tmp_prefix,
 893                                 msg_event->event);
 894                 }
 895
 896                 if (msg_event->default_cs) {
 897                         SET_TMP_PREFIX("default-cs-");
 898                         format_clock_snapshot(buf_ch, true, tmp_prefix,
 899                                 msg_event->default_cs);
 900                 }
 901
 902                 break;
 903         }
 904         case BT_MESSAGE_TYPE_STREAM_BEGINNING:
 905         case BT_MESSAGE_TYPE_STREAM_END:
 906         {
 907                 const struct bt_message_stream *msg_stream = (const void *) msg;
 908
 909                 if (msg_stream->stream) {
 910                         SET_TMP_PREFIX("stream-");
 911                         format_stream(buf_ch, true, tmp_prefix,
 912                                 msg_stream->stream);
 913                 }
 914
 915                 break;
 916         }
 917         case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
 918         case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
 919         {
 920                 const struct bt_message_stream_activity *msg_stream_activity =
 921                         (const void *) msg;
 922
 923                 if (msg_stream_activity->stream) {
 924                         SET_TMP_PREFIX("stream-");
 925                         format_stream(buf_ch, true, tmp_prefix,
 926                                 msg_stream_activity->stream);
 927                 }
 928
 929                 BUF_APPEND(", %sdefault-cs-state=%s",
 930                         PRFIELD(bt_message_stream_activity_clock_snapshot_state_string(
 931                                 msg_stream_activity->default_cs_state)));
 932
 933                 if (msg_stream_activity->default_cs) {
 934                         SET_TMP_PREFIX("default-cs-");
 935                         format_clock_snapshot(buf_ch, true, tmp_prefix,
 936                                 msg_stream_activity->default_cs);
 937                 }
 938
 939                 break;
 940         }
 941         case BT_MESSAGE_TYPE_PACKET_BEGINNING:
 942         case BT_MESSAGE_TYPE_PACKET_END:
 943         {
 944                 const struct bt_message_packet *msg_packet = (const void *) msg;
 945
 946                 if (msg_packet->packet) {
 947                         SET_TMP_PREFIX("packet-");
 948                         format_packet(buf_ch, true, tmp_prefix,
 949                                 msg_packet->packet);
 950                 }
 951
 952                 if (msg_packet->default_cs) {
 953                         SET_TMP_PREFIX("default-cs-");
 954                         format_clock_snapshot(buf_ch, true, tmp_prefix,
 955                                 msg_packet->default_cs);
 956                 }
 957
 958                 break;
 959         }
 960         case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
 961         case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
 962         {
 963                 const struct bt_message_discarded_items *msg_disc_items =
 964                         (const void *) msg;
 965
 966                 if (msg_disc_items->stream) {
 967                         SET_TMP_PREFIX("stream-");
 968                         format_stream(buf_ch, true, tmp_prefix,
 969                                 msg_disc_items->stream);
 970                 }
 971
 972                 if (msg_disc_items->default_begin_cs) {
 973                         SET_TMP_PREFIX("default-begin-cs-");
 974                         format_clock_snapshot(buf_ch, true, tmp_prefix,
 975                                 msg_disc_items->default_begin_cs);
 976                 }
 977
 978                 if (msg_disc_items->default_end_cs) {
 979                         SET_TMP_PREFIX("default-end-cs-");
 980                         format_clock_snapshot(buf_ch, true, tmp_prefix,
 981                                 msg_disc_items->default_end_cs);
 982                 }
 983
 984                 if (msg_disc_items->count.base.avail) {
 985                         BUF_APPEND(", %scount=%" PRIu64,
 986                                 PRFIELD(msg_disc_items->count.value));
 987                 }
 988
 989                 break;
 990         }
 991         default:
 992                 break;
 993         }
 994 }
 995
 996 static inline void format_plugin_so_shared_lib_handle(char **buf_ch,
 997                 const char *prefix,
 998                 const struct bt_plugin_so_shared_lib_handle *handle)
 999 {
1000         BUF_APPEND(", %saddr=%p", PRFIELD(handle));
1001
1002         if (handle->path) {
1003                 BUF_APPEND(", %spath=\"%s\"", PRFIELD_GSTRING(handle->path));
1004         }
1005 }
1006
1007 static inline void format_component_class(char **buf_ch, bool extended,
1008                 const char *prefix,
1009                 const struct bt_component_class *comp_class)
1010 {
1011         char tmp_prefix[64];
1012
1013         BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1014                 PRFIELD(bt_component_class_type_string(comp_class->type)),
1015                 PRFIELD_GSTRING(comp_class->name));
1016
1017         if (comp_class->description) {
1018                 BUF_APPEND(", %spartial-descr=\"%.32s\"",
1019                         PRFIELD_GSTRING(comp_class->description));
1020         }
1021
1022         if (!extended) {
1023                 return;
1024         }
1025
1026         BUF_APPEND(", %sis-frozen=%d", PRFIELD(comp_class->frozen));
1027
1028         if (comp_class->so_handle) {
1029                 SET_TMP_PREFIX("so-handle-");
1030                 format_plugin_so_shared_lib_handle(buf_ch, tmp_prefix,
1031                         comp_class->so_handle);
1032         }
1033 }
1034
1035 static inline void format_component(char **buf_ch, bool extended,
1036                 const char *prefix, const struct bt_component *component)
1037 {
1038         char tmp_prefix[64];
1039
1040         BUF_APPEND(", %sname=\"%s\"",
1041                 PRFIELD_GSTRING(component->name));
1042
1043         if (component->class) {
1044                 SET_TMP_PREFIX("class-");
1045                 format_component_class(buf_ch, extended, tmp_prefix,
1046                         component->class);
1047         }
1048
1049         if (!extended) {
1050                 return;
1051         }
1052
1053         if (component->input_ports) {
1054                 BUF_APPEND(", %sinput-port-count=%u",
1055                         PRFIELD(component->input_ports->len));
1056         }
1057
1058         if (component->output_ports) {
1059                 BUF_APPEND(", %soutput-port-count=%u",
1060                         PRFIELD(component->output_ports->len));
1061         }
1062 }
1063
1064 static inline void format_port(char **buf_ch, bool extended,
1065                 const char *prefix, const struct bt_port *port)
1066 {
1067         char tmp_prefix[64];
1068
1069         BUF_APPEND(", %stype=%s, %sname=\"%s\"",
1070                 PRFIELD(bt_port_type_string(port->type)),
1071                 PRFIELD_GSTRING(port->name));
1072
1073         if (!extended) {
1074                 return;
1075         }
1076
1077         if (port->connection) {
1078                 SET_TMP_PREFIX("conn-");
1079                 format_connection(buf_ch, false, tmp_prefix, port->connection);
1080         }
1081 }
1082
1083 static inline void format_connection(char **buf_ch, bool extended,
1084                 const char *prefix, const struct bt_connection *connection)
1085 {
1086         char tmp_prefix[64];
1087
1088         if (!extended) {
1089                 return;
1090         }
1091
1092         if (connection->upstream_port) {
1093                 SET_TMP_PREFIX("upstream-port-");
1094                 format_port(buf_ch, false, tmp_prefix,
1095                         connection->upstream_port);
1096         }
1097
1098         if (connection->downstream_port) {
1099                 SET_TMP_PREFIX("downstream-port-");
1100                 format_port(buf_ch, false, tmp_prefix,
1101                         connection->downstream_port);
1102         }
1103 }
1104
1105 static inline void format_graph(char **buf_ch, bool extended,
1106                 const char *prefix, const struct bt_graph *graph)
1107 {
1108         char tmp_prefix[64];
1109
1110         BUF_APPEND(", %sis-canceled=%d, %scan-consume=%d, "
1111                 "%sconfig-state=%s",
1112                 PRFIELD(graph->canceled),
1113                 PRFIELD(graph->can_consume),
1114                 PRFIELD(bt_graph_configuration_state_string(graph->config_state)));
1115
1116         if (!extended) {
1117                 return;
1118         }
1119
1120         if (graph->components) {
1121                 BUF_APPEND(", %scomp-count=%u",
1122                         PRFIELD(graph->components->len));
1123         }
1124
1125         if (graph->connections) {
1126                 BUF_APPEND(", %sconn-count=%u",
1127                         PRFIELD(graph->connections->len));
1128         }
1129
1130         SET_TMP_PREFIX("en-pool-");
1131         format_object_pool(buf_ch, extended, tmp_prefix,
1132                 &graph->event_msg_pool);
1133         SET_TMP_PREFIX("pbn-pool-");
1134         format_object_pool(buf_ch, extended, tmp_prefix,
1135                 &graph->packet_begin_msg_pool);
1136         SET_TMP_PREFIX("pen-pool-");
1137         format_object_pool(buf_ch, extended, tmp_prefix,
1138                 &graph->packet_end_msg_pool);
1139 }
1140
1141 static inline void format_message_iterator(char **buf_ch,
1142                 bool extended, const char *prefix,
1143                 const struct bt_message_iterator *iterator)
1144 {
1145         const char *type;
1146         char tmp_prefix[64];
1147
1148         if (iterator->type == BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT) {
1149                 type = "BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT";
1150         } else if (iterator->type == BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT) {
1151                 type = "BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT";
1152         } else {
1153                 type = "(unknown)";
1154         }
1155
1156         BUF_APPEND(", %stype=%s", PRFIELD(type));
1157
1158         switch (iterator->type) {
1159         case BT_MESSAGE_ITERATOR_TYPE_SELF_COMPONENT_PORT_INPUT:
1160         {
1161                 const struct bt_self_component_port_input_message_iterator *
1162                         port_in_iter = (const void *) iterator;
1163
1164                 if (port_in_iter->upstream_component) {
1165                         SET_TMP_PREFIX("upstream-comp-");
1166                         format_component(buf_ch, false, tmp_prefix,
1167                                 port_in_iter->upstream_component);
1168                 }
1169
1170                 if (port_in_iter->upstream_port) {
1171                         SET_TMP_PREFIX("upstream-port-");
1172                         format_port(buf_ch, false, tmp_prefix,
1173                                 port_in_iter->upstream_port);
1174                 }
1175
1176                 if (port_in_iter->connection) {
1177                         SET_TMP_PREFIX("upstream-conn-");
1178                         format_connection(buf_ch, false, tmp_prefix,
1179                                 port_in_iter->connection);
1180                 }
1181                 break;
1182         }
1183         case BT_MESSAGE_ITERATOR_TYPE_PORT_OUTPUT:
1184         {
1185                 const struct bt_port_output_message_iterator *port_out_iter =
1186                         (const void *) iterator;
1187
1188                 if (port_out_iter->graph) {
1189                         SET_TMP_PREFIX("graph-");
1190                         format_graph(buf_ch, false, tmp_prefix,
1191                                 port_out_iter->graph);
1192                 }
1193
1194                 if (port_out_iter->colander) {
1195                         SET_TMP_PREFIX("colander-comp-");
1196                         format_component(buf_ch, false, tmp_prefix,
1197                                 (void *) port_out_iter->colander);
1198                 }
1199
1200                 break;
1201         }
1202         default:
1203                 break;
1204         }
1205 }
1206
1207 static inline void format_plugin(char **buf_ch, bool extended,
1208                 const char *prefix, const struct bt_plugin *plugin)
1209 {
1210         char tmp_prefix[64];
1211
1212         BUF_APPEND(", %stype=%s", PRFIELD(bt_plugin_type_string(plugin->type)));
1213
1214         if (plugin->info.path_set) {
1215                 BUF_APPEND(", %spath=\"%s\"",
1216                         PRFIELD_GSTRING(plugin->info.path));
1217         }
1218
1219         if (plugin->info.name_set) {
1220                 BUF_APPEND(", %sname=\"%s\"",
1221                         PRFIELD_GSTRING(plugin->info.name));
1222         }
1223
1224         if (!extended) {
1225                 return;
1226         }
1227
1228         if (plugin->info.author_set) {
1229                 BUF_APPEND(", %sauthor=\"%s\"",
1230                         PRFIELD_GSTRING(plugin->info.author));
1231         }
1232
1233         if (plugin->info.license_set) {
1234                 BUF_APPEND(", %slicense=\"%s\"",
1235                         PRFIELD_GSTRING(plugin->info.license));
1236         }
1237
1238         if (plugin->info.version_set) {
1239                 BUF_APPEND(", %sversion=%u.%u.%u%s",
1240                         PRFIELD(plugin->info.version.major),
1241                         plugin->info.version.minor,
1242                         plugin->info.version.patch,
1243                         plugin->info.version.extra ?
1244                                 plugin->info.version.extra->str : "");
1245         }
1246
1247         BUF_APPEND(", %ssrc-comp-class-count=%u, %sflt-comp-class-count=%u, "
1248                 "%ssink-comp-class-count=%u",
1249                 PRFIELD(plugin->src_comp_classes->len),
1250                 PRFIELD(plugin->flt_comp_classes->len),
1251                 PRFIELD(plugin->sink_comp_classes->len));
1252
1253         if (plugin->spec_data) {
1254                 const struct bt_plugin_so_spec_data *spec_data =
1255                         (const void *) plugin->spec_data;
1256
1257                 if (spec_data->shared_lib_handle) {
1258                         SET_TMP_PREFIX("so-handle-");
1259                         format_plugin_so_shared_lib_handle(buf_ch, tmp_prefix,
1260                                 spec_data->shared_lib_handle);
1261                 }
1262         }
1263 }
1264
1265 static inline void handle_conversion_specifier_bt(void *priv_data,
1266                 char **buf_ch, size_t avail_size,
1267                 const char **out_fmt_ch, va_list *args)
1268 {
1269         const char *fmt_ch = *out_fmt_ch;
1270         bool extended = false;
1271         char prefix[64];
1272         char *prefix_ch = prefix;
1273         const void *obj;
1274
1275         /* skip "%!" */
1276         fmt_ch += 2;
1277
1278         if (*fmt_ch == 'u') {
1279                 /* UUID */
1280                 obj = va_arg(*args, void *);
1281                 format_uuid(buf_ch, obj);
1282                 goto update_fmt;
1283         }
1284
1285         if (*fmt_ch == '[') {
1286                 /* local prefix */
1287                 fmt_ch++;
1288
1289                 while (true) {
1290                         if (*fmt_ch == ']') {
1291                                 *prefix_ch = '\0';
1292                                 fmt_ch++;
1293                                 break;
1294                         }
1295
1296                         *prefix_ch = *fmt_ch;
1297                         prefix_ch++;
1298                         fmt_ch++;
1299                 }
1300         }
1301
1302         *prefix_ch = '\0';
1303
1304         if (*fmt_ch == '+') {
1305                 extended = true;
1306                 fmt_ch++;
1307         }
1308
1309         obj = va_arg(*args, void *);
1310         BUF_APPEND("%saddr=%p", prefix, obj);
1311
1312         if (!obj) {
1313                 goto update_fmt;
1314         }
1315
1316         switch (*fmt_ch) {
1317         case 'F':
1318                 format_field_class(buf_ch, extended, prefix, obj);
1319                 break;
1320         case 'f':
1321                 format_field(buf_ch, extended, prefix, obj);
1322                 break;
1323         case 'P':
1324                 format_field_path(buf_ch, extended, prefix, obj);
1325                 break;
1326         case 'E':
1327                 format_event_class(buf_ch, extended, prefix, obj);
1328                 break;
1329         case 'e':
1330                 format_event(buf_ch, extended, prefix, obj);
1331                 break;
1332         case 'S':
1333                 format_stream_class(buf_ch, extended, prefix, obj);
1334                 break;
1335         case 's':
1336                 format_stream(buf_ch, extended, prefix, obj);
1337                 break;
1338         case 'a':
1339                 format_packet(buf_ch, extended, prefix, obj);
1340                 break;
1341         case 't':
1342                 format_trace(buf_ch, extended, prefix, obj);
1343                 break;
1344         case 'T':
1345                 format_trace_class(buf_ch, extended, prefix, obj);
1346                 break;
1347         case 'K':
1348                 format_clock_class(buf_ch, extended, prefix, obj);
1349                 break;
1350         case 'k':
1351                 format_clock_snapshot(buf_ch, extended, prefix, obj);
1352                 break;
1353         case 'v':
1354                 format_value(buf_ch, extended, prefix, obj);
1355                 break;
1356         case 'n':
1357                 format_message(buf_ch, extended, prefix, obj);
1358                 break;
1359         case 'i':
1360                 format_message_iterator(buf_ch, extended, prefix, obj);
1361                 break;
1362         case 'C':
1363                 format_component_class(buf_ch, extended, prefix, obj);
1364                 break;
1365         case 'c':
1366                 format_component(buf_ch, extended, prefix, obj);
1367                 break;
1368         case 'p':
1369                 format_port(buf_ch, extended, prefix, obj);
1370                 break;
1371         case 'x':
1372                 format_connection(buf_ch, extended, prefix, obj);
1373                 break;
1374         case 'l':
1375                 format_plugin(buf_ch, extended, prefix, obj);
1376                 break;
1377         case 'g':
1378                 format_graph(buf_ch, extended, prefix, obj);
1379                 break;
1380         case 'o':
1381                 format_object_pool(buf_ch, extended, prefix, obj);
1382                 break;
1383         case 'O':
1384                 format_object(buf_ch, extended, prefix, obj);
1385                 break;
1386         default:
1387                 abort();
1388         }
1389
1390 update_fmt:
1391         fmt_ch++;
1392         *out_fmt_ch = fmt_ch;
1393 }
1394
1395 void bt_lib_log(const char *func, const char *file, unsigned line,
1396                 int lvl, const char *tag, const char *fmt, ...)
1397 {
1398         va_list args;
1399
1400         BT_ASSERT(fmt);
1401         va_start(args, fmt);
1402         bt_common_custom_vsnprintf(lib_logging_buf, LIB_LOGGING_BUF_SIZE, '!',
1403                 handle_conversion_specifier_bt, NULL, fmt, &args);
1404         va_end(args);
1405         _bt_log_write_d(func, file, line, lvl, tag, "%s", lib_logging_buf);
1406 }