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