plugins/ctf/common/metadata/ctf-meta-translate.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
  15 #define BT_LOG_TAG "PLUGIN-CTF-METADATA-META-TRANSLATE"
  16 #include "logging.h"
  17
  18 #include <babeltrace/babeltrace.h>
  19 #include <babeltrace/babeltrace-internal.h>
  20 #include <babeltrace/assert-internal.h>
  21 #include <glib.h>
  22 #include <stdint.h>
  23 #include <string.h>
  24 #include <inttypes.h>
  25
  26 #include "ctf-meta-visitors.h"
  27
  28 static inline
  29 struct bt_private_field_class *ctf_field_class_to_ir(struct ctf_field_class *fc,
  30                 struct ctf_trace_class *tc,
  31                 struct ctf_stream_class *sc,
  32                 struct ctf_event_class *ec);
  33
  34 static inline
  35 void ctf_field_class_int_set_props(struct ctf_field_class_int *fc,
  36                 struct bt_private_field_class *ir_fc)
  37 {
  38         int ret;
  39
  40         ret = bt_private_field_class_integer_set_field_value_range(ir_fc,
  41                 fc->base.size);
  42         BT_ASSERT(ret == 0);
  43         ret = bt_private_field_class_integer_set_preferred_display_base(ir_fc,
  44                 fc->disp_base);
  45         BT_ASSERT(ret == 0);
  46 }
  47
  48 static inline
  49 struct bt_private_field_class *ctf_field_class_int_to_ir(
  50                 struct ctf_field_class_int *fc)
  51 {
  52         struct bt_private_field_class *ir_fc;
  53
  54         if (fc->is_signed) {
  55                 ir_fc = bt_private_field_class_signed_integer_create();
  56         } else {
  57                 ir_fc = bt_private_field_class_unsigned_integer_create();
  58         }
  59
  60         BT_ASSERT(ir_fc);
  61         ctf_field_class_int_set_props(fc, ir_fc);
  62         return ir_fc;
  63 }
  64
  65 static inline
  66 struct bt_private_field_class *ctf_field_class_enum_to_ir(
  67                 struct ctf_field_class_enum *fc)
  68 {
  69         int ret;
  70         struct bt_private_field_class *ir_fc;
  71         uint64_t i;
  72
  73         if (fc->base.is_signed) {
  74                 ir_fc = bt_private_field_class_signed_enumeration_create();
  75         } else {
  76                 ir_fc = bt_private_field_class_unsigned_enumeration_create();
  77         }
  78
  79         BT_ASSERT(ir_fc);
  80         ctf_field_class_int_set_props((void *) fc, ir_fc);
  81
  82         for (i = 0; i < fc->mappings->len; i++) {
  83                 struct ctf_field_class_enum_mapping *mapping =
  84                         ctf_field_class_enum_borrow_mapping_by_index(fc, i);
  85
  86                 if (fc->base.is_signed) {
  87                         ret = bt_private_field_class_signed_enumeration_map_range(
  88                                 ir_fc, mapping->label->str,
  89                                 mapping->range.lower.i, mapping->range.upper.i);
  90                 } else {
  91                         ret = bt_private_field_class_unsigned_enumeration_map_range(
  92                                 ir_fc, mapping->label->str,
  93                                 mapping->range.lower.u, mapping->range.upper.u);
  94                 }
  95
  96                 BT_ASSERT(ret == 0);
  97         }
  98
  99         return ir_fc;
 100 }
 101
 102 static inline
 103 struct bt_private_field_class *ctf_field_class_float_to_ir(
 104                 struct ctf_field_class_float *fc)
 105 {
 106         struct bt_private_field_class *ir_fc;
 107         int ret;
 108
 109         ir_fc = bt_private_field_class_real_create();
 110         BT_ASSERT(ir_fc);
 111
 112         if (fc->base.size == 32) {
 113                 ret = bt_private_field_class_real_set_is_single_precision(ir_fc,
 114                         BT_TRUE);
 115                 BT_ASSERT(ret == 0);
 116         }
 117
 118         return ir_fc;
 119 }
 120
 121 static inline
 122 struct bt_private_field_class *ctf_field_class_string_to_ir(
 123                 struct ctf_field_class_string *fc)
 124 {
 125         struct bt_private_field_class *ir_fc =
 126                 bt_private_field_class_string_create();
 127
 128         BT_ASSERT(ir_fc);
 129         return ir_fc;
 130 }
 131
 132 static inline
 133 struct bt_private_field_class *ctf_field_class_struct_to_ir(
 134                 struct ctf_field_class_struct *fc,
 135                 struct ctf_trace_class *tc,
 136                 struct ctf_stream_class *sc,
 137                 struct ctf_event_class *ec)
 138 {
 139         int ret;
 140         struct bt_private_field_class *ir_fc =
 141                 bt_private_field_class_structure_create();
 142         uint64_t i;
 143
 144         BT_ASSERT(ir_fc);
 145
 146         for (i = 0; i < fc->members->len; i++) {
 147                 struct ctf_named_field_class *named_fc =
 148                         ctf_field_class_struct_borrow_member_by_index(fc, i);
 149                 struct bt_private_field_class *member_ir_fc;
 150
 151                 if (!named_fc->fc->in_ir) {
 152                         continue;
 153                 }
 154
 155                 member_ir_fc = ctf_field_class_to_ir(named_fc->fc, tc, sc, ec);
 156                 BT_ASSERT(member_ir_fc);
 157                 ret = bt_private_field_class_structure_append_private_member(
 158                         ir_fc, named_fc->name->str, member_ir_fc);
 159                 BT_ASSERT(ret == 0);
 160                 bt_object_put_ref(member_ir_fc);
 161         }
 162
 163         return ir_fc;
 164 }
 165
 166 static inline
 167 struct bt_private_field_class *borrow_ir_ft_from_field_path(
 168                 struct ctf_field_path *field_path,
 169                 struct ctf_trace_class *tc,
 170                 struct ctf_stream_class *sc,
 171                 struct ctf_event_class *ec)
 172 {
 173         struct bt_private_field_class *ir_fc = NULL;
 174         struct ctf_field_class *fc = ctf_field_path_borrow_field_class(
 175                 field_path, tc, sc, ec);
 176
 177         BT_ASSERT(fc);
 178
 179         if (fc->in_ir) {
 180                 ir_fc = fc->ir_fc;
 181         }
 182
 183         return ir_fc;
 184 }
 185
 186 static inline
 187 struct bt_private_field_class *ctf_field_class_variant_to_ir(
 188                 struct ctf_field_class_variant *fc,
 189                 struct ctf_trace_class *tc,
 190                 struct ctf_stream_class *sc,
 191                 struct ctf_event_class *ec)
 192 {
 193         int ret;
 194         struct bt_private_field_class *ir_fc =
 195                 bt_private_field_class_variant_create();
 196         uint64_t i;
 197
 198         BT_ASSERT(ir_fc);
 199         ret = bt_private_field_class_variant_set_selector_private_field_class(
 200                 ir_fc, borrow_ir_ft_from_field_path(&fc->tag_path, tc, sc, ec));
 201         BT_ASSERT(ret == 0);
 202
 203         for (i = 0; i < fc->options->len; i++) {
 204                 struct ctf_named_field_class *named_fc =
 205                         ctf_field_class_variant_borrow_option_by_index(fc, i);
 206                 struct bt_private_field_class *option_ir_fc;
 207
 208                 BT_ASSERT(named_fc->fc->in_ir);
 209                 option_ir_fc = ctf_field_class_to_ir(named_fc->fc, tc, sc, ec);
 210                 BT_ASSERT(option_ir_fc);
 211                 ret = bt_private_field_class_variant_append_private_option(
 212                         ir_fc, named_fc->name->str, option_ir_fc);
 213                 BT_ASSERT(ret == 0);
 214                 bt_object_put_ref(option_ir_fc);
 215         }
 216
 217         return ir_fc;
 218 }
 219
 220 static inline
 221 struct bt_private_field_class *ctf_field_class_array_to_ir(
 222                 struct ctf_field_class_array *fc,
 223                 struct ctf_trace_class *tc,
 224                 struct ctf_stream_class *sc,
 225                 struct ctf_event_class *ec)
 226 {
 227         struct bt_private_field_class *ir_fc;
 228         struct bt_private_field_class *elem_ir_fc;
 229
 230         if (fc->base.is_text) {
 231                 ir_fc = bt_private_field_class_string_create();
 232                 BT_ASSERT(ir_fc);
 233                 goto end;
 234         }
 235
 236         elem_ir_fc = ctf_field_class_to_ir(fc->base.elem_fc, tc, sc, ec);
 237         BT_ASSERT(elem_ir_fc);
 238         ir_fc = bt_private_field_class_static_array_create(elem_ir_fc,
 239                 fc->length);
 240         BT_ASSERT(ir_fc);
 241         bt_object_put_ref(elem_ir_fc);
 242
 243 end:
 244         return ir_fc;
 245 }
 246
 247 static inline
 248 struct bt_private_field_class *ctf_field_class_sequence_to_ir(
 249                 struct ctf_field_class_sequence *fc,
 250                 struct ctf_trace_class *tc,
 251                 struct ctf_stream_class *sc,
 252                 struct ctf_event_class *ec)
 253 {
 254         int ret;
 255         struct bt_private_field_class *ir_fc;
 256         struct bt_private_field_class *elem_ir_fc;
 257
 258         if (fc->base.is_text) {
 259                 ir_fc = bt_private_field_class_string_create();
 260                 BT_ASSERT(ir_fc);
 261                 goto end;
 262         }
 263
 264         elem_ir_fc = ctf_field_class_to_ir(fc->base.elem_fc, tc, sc, ec);
 265         BT_ASSERT(elem_ir_fc);
 266         ir_fc = bt_private_field_class_dynamic_array_create(elem_ir_fc);
 267         BT_ASSERT(ir_fc);
 268         bt_object_put_ref(elem_ir_fc);
 269         BT_ASSERT(ir_fc);
 270         ret = bt_private_field_class_dynamic_array_set_length_private_field_class(
 271                 ir_fc,
 272                 borrow_ir_ft_from_field_path(&fc->length_path, tc, sc, ec));
 273         BT_ASSERT(ret == 0);
 274
 275 end:
 276         return ir_fc;
 277 }
 278
 279 static inline
 280 struct bt_private_field_class *ctf_field_class_to_ir(struct ctf_field_class *fc,
 281                 struct ctf_trace_class *tc,
 282                 struct ctf_stream_class *sc,
 283                 struct ctf_event_class *ec)
 284 {
 285         struct bt_private_field_class *ir_fc = NULL;
 286
 287         BT_ASSERT(fc);
 288         BT_ASSERT(fc->in_ir);
 289
 290         switch (fc->type) {
 291         case CTF_FIELD_CLASS_TYPE_INT:
 292                 ir_fc = ctf_field_class_int_to_ir((void *) fc);
 293                 break;
 294         case CTF_FIELD_CLASS_TYPE_ENUM:
 295                 ir_fc = ctf_field_class_enum_to_ir((void *) fc);
 296                 break;
 297         case CTF_FIELD_CLASS_TYPE_FLOAT:
 298                 ir_fc = ctf_field_class_float_to_ir((void *) fc);
 299                 break;
 300         case CTF_FIELD_CLASS_TYPE_STRING:
 301                 ir_fc = ctf_field_class_string_to_ir((void *) fc);
 302                 break;
 303         case CTF_FIELD_CLASS_TYPE_STRUCT:
 304                 ir_fc = ctf_field_class_struct_to_ir((void *) fc, tc, sc, ec);
 305                 break;
 306         case CTF_FIELD_CLASS_TYPE_ARRAY:
 307                 ir_fc = ctf_field_class_array_to_ir((void *) fc, tc, sc, ec);
 308                 break;
 309         case CTF_FIELD_CLASS_TYPE_SEQUENCE:
 310                 ir_fc = ctf_field_class_sequence_to_ir((void *) fc, tc, sc, ec);
 311                 break;
 312         case CTF_FIELD_CLASS_TYPE_VARIANT:
 313                 ir_fc = ctf_field_class_variant_to_ir((void *) fc, tc, sc, ec);
 314                 break;
 315         default:
 316                 abort();
 317         }
 318
 319         fc->ir_fc = ir_fc;
 320         return ir_fc;
 321 }
 322
 323 static inline
 324 bool ctf_field_class_struct_has_immediate_member_in_ir(
 325                 struct ctf_field_class_struct *fc)
 326 {
 327         uint64_t i;
 328         bool has_immediate_member_in_ir = false;
 329
 330         for (i = 0; i < fc->members->len; i++) {
 331                 struct ctf_named_field_class *named_fc =
 332                         ctf_field_class_struct_borrow_member_by_index(fc, i);
 333
 334                 if (named_fc->fc->in_ir) {
 335                         has_immediate_member_in_ir = true;
 336                         goto end;
 337                 }
 338         }
 339
 340 end:
 341         return has_immediate_member_in_ir;
 342 }
 343
 344 static inline
 345 struct bt_private_field_class *scope_ctf_field_class_to_ir(struct ctf_field_class *fc,
 346         struct ctf_trace_class *tc,
 347         struct ctf_stream_class *sc,
 348         struct ctf_event_class *ec)
 349 {
 350         struct bt_private_field_class *ir_fc = NULL;
 351
 352         if (!fc) {
 353                 goto end;
 354         }
 355
 356         BT_ASSERT(fc->type == CTF_FIELD_CLASS_TYPE_STRUCT);
 357
 358         if (!ctf_field_class_struct_has_immediate_member_in_ir((void *) fc)) {
 359                 /*
 360                  * Nothing for IR in this scope: typical for packet
 361                  * header, packet context, and event header.
 362                  */
 363                 goto end;
 364         }
 365
 366         ir_fc = ctf_field_class_to_ir(fc, tc, sc, ec);
 367
 368 end:
 369         return ir_fc;
 370 }
 371
 372 static inline
 373 struct ctf_field_class_int *borrow_named_int_field_class(
 374                 struct ctf_field_class_struct *struct_fc, const char *name)
 375 {
 376         struct ctf_named_field_class *named_fc = NULL;
 377         struct ctf_field_class_int *int_fc = NULL;
 378
 379         if (!struct_fc) {
 380                 goto end;
 381         }
 382
 383         named_fc = ctf_field_class_struct_borrow_member_by_name(struct_fc, name);
 384         if (!named_fc) {
 385                 goto end;
 386         }
 387
 388         if (named_fc->fc->type != CTF_FIELD_CLASS_TYPE_INT &&
 389                         named_fc->fc->type != CTF_FIELD_CLASS_TYPE_ENUM) {
 390                 goto end;
 391         }
 392
 393         int_fc = (void *) named_fc->fc;
 394
 395 end:
 396         return int_fc;
 397 }
 398
 399 static inline
 400 struct bt_private_event_class *ctf_event_class_to_ir(struct ctf_event_class *ec,
 401                 struct bt_private_stream_class *ir_sc, struct ctf_trace_class *tc,
 402                 struct ctf_stream_class *sc)
 403 {
 404         int ret;
 405         struct bt_private_event_class *ir_ec = NULL;
 406
 407         if (ec->is_translated) {
 408                 ir_ec = bt_private_stream_class_borrow_private_event_class_by_id(
 409                         ir_sc, ec->id);
 410                 BT_ASSERT(ir_ec);
 411                 goto end;
 412         }
 413
 414         ir_ec = bt_private_event_class_create_with_id(ir_sc, ec->id);
 415         BT_ASSERT(ir_ec);
 416         bt_object_put_ref(ir_ec);
 417
 418         if (ec->spec_context_fc) {
 419                 struct bt_private_field_class *ir_fc = scope_ctf_field_class_to_ir(
 420                         ec->spec_context_fc, tc, sc, ec);
 421
 422                 if (ir_fc) {
 423                         ret = bt_private_event_class_set_specific_context_private_field_class(
 424                                 ir_ec, ir_fc);
 425                         BT_ASSERT(ret == 0);
 426                         bt_object_put_ref(ir_fc);
 427                 }
 428         }
 429
 430         if (ec->payload_fc) {
 431                 struct bt_private_field_class *ir_fc = scope_ctf_field_class_to_ir(
 432                         ec->payload_fc, tc, sc, ec);
 433
 434                 if (ir_fc) {
 435                         ret = bt_private_event_class_set_payload_private_field_class(ir_ec,
 436                                 ir_fc);
 437                         BT_ASSERT(ret == 0);
 438                         bt_object_put_ref(ir_fc);
 439                 }
 440         }
 441
 442         if (ec->name->len > 0) {
 443                 ret = bt_private_event_class_set_name(ir_ec, ec->name->str);
 444                 BT_ASSERT(ret == 0);
 445         }
 446
 447         if (ec->emf_uri->len > 0) {
 448                 ret = bt_private_event_class_set_emf_uri(ir_ec, ec->emf_uri->str);
 449                 BT_ASSERT(ret == 0);
 450         }
 451
 452         if (ec->log_level != -1) {
 453                 ret = bt_private_event_class_set_log_level(ir_ec, ec->log_level);
 454                 BT_ASSERT(ret == 0);
 455         }
 456
 457         ec->is_translated = true;
 458         ec->ir_ec = ir_ec;
 459
 460 end:
 461         return ir_ec;
 462 }
 463
 464
 465 static inline
 466 struct bt_private_stream_class *ctf_stream_class_to_ir(struct ctf_stream_class *sc,
 467                 struct bt_private_trace *ir_trace, struct ctf_trace_class *tc)
 468 {
 469         int ret;
 470         struct bt_private_stream_class *ir_sc = NULL;
 471         struct ctf_field_class_int *int_fc;
 472
 473         if (sc->is_translated) {
 474                 ir_sc = bt_private_trace_borrow_private_stream_class_by_id(
 475                         ir_trace, sc->id);
 476                 BT_ASSERT(ir_sc);
 477                 goto end;
 478         }
 479
 480         ir_sc = bt_private_stream_class_create_with_id(ir_trace, sc->id);
 481         BT_ASSERT(ir_sc);
 482         bt_object_put_ref(ir_sc);
 483
 484         if (sc->packet_context_fc) {
 485                 struct bt_private_field_class *ir_fc = scope_ctf_field_class_to_ir(
 486                         sc->packet_context_fc, tc, sc, NULL);
 487
 488                 if (ir_fc) {
 489                         ret = bt_private_stream_class_set_packet_context_private_field_class(
 490                                 ir_sc, ir_fc);
 491                         BT_ASSERT(ret == 0);
 492                         bt_object_put_ref(ir_fc);
 493                 }
 494         }
 495
 496         if (sc->event_header_fc) {
 497                 struct bt_private_field_class *ir_fc = scope_ctf_field_class_to_ir(
 498                         sc->event_header_fc, tc, sc, NULL);
 499
 500                 if (ir_fc) {
 501                         ret = bt_private_stream_class_set_event_header_private_field_class(
 502                                 ir_sc, ir_fc);
 503                         BT_ASSERT(ret == 0);
 504                         bt_object_put_ref(ir_fc);
 505                 }
 506         }
 507
 508         if (sc->event_common_context_fc) {
 509                 struct bt_private_field_class *ir_fc = scope_ctf_field_class_to_ir(
 510                         sc->event_common_context_fc, tc, sc, NULL);
 511
 512                 if (ir_fc) {
 513                         ret = bt_private_stream_class_set_event_common_context_private_field_class(
 514                                 ir_sc, ir_fc);
 515                         BT_ASSERT(ret == 0);
 516                         bt_object_put_ref(ir_fc);
 517                 }
 518         }
 519
 520         ret = bt_private_stream_class_set_assigns_automatic_event_class_id(ir_sc,
 521                 BT_FALSE);
 522         BT_ASSERT(ret == 0);
 523         ret = bt_private_stream_class_set_assigns_automatic_stream_id(ir_sc, BT_FALSE);
 524         BT_ASSERT(ret == 0);
 525
 526         if (sc->default_clock_class) {
 527                 ret = bt_private_stream_class_set_default_clock_class(ir_sc,
 528                         bt_clock_class_borrow_from_private(sc->default_clock_class));
 529                 BT_ASSERT(ret == 0);
 530         }
 531
 532         int_fc = borrow_named_int_field_class((void *) sc->packet_context_fc,
 533                 "events_discarded");
 534         if (int_fc) {
 535                 if (int_fc->meaning == CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
 536                         ret = bt_private_stream_class_set_packets_have_discarded_event_counter_snapshot(
 537                                 ir_sc, BT_TRUE);
 538                         BT_ASSERT(ret == 0);
 539                 }
 540         }
 541
 542         int_fc = borrow_named_int_field_class((void *) sc->packet_context_fc,
 543                 "packet_seq_num");
 544         if (int_fc) {
 545                 if (int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
 546                         ret = bt_private_stream_class_set_packets_have_packet_counter_snapshot(
 547                                 ir_sc, BT_TRUE);
 548                         BT_ASSERT(ret == 0);
 549                 }
 550         }
 551
 552         int_fc = borrow_named_int_field_class((void *) sc->packet_context_fc,
 553                 "timestamp_begin");
 554         if (int_fc) {
 555                 if (int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
 556                         ret = bt_private_stream_class_set_packets_have_default_beginning_clock_value(
 557                                 ir_sc, BT_TRUE);
 558                         BT_ASSERT(ret == 0);
 559                 }
 560         }
 561
 562         int_fc = borrow_named_int_field_class((void *) sc->packet_context_fc,
 563                 "timestamp_end");
 564         if (int_fc) {
 565                 if (int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
 566                         ret = bt_private_stream_class_set_packets_have_default_end_clock_value(
 567                                 ir_sc, BT_TRUE);
 568                         BT_ASSERT(ret == 0);
 569                 }
 570         }
 571
 572         sc->is_translated = true;
 573         sc->ir_sc = ir_sc;
 574
 575 end:
 576         return ir_sc;
 577 }
 578
 579 static inline
 580 int ctf_trace_class_to_ir(struct bt_private_trace *ir_trace,
 581                 struct ctf_trace_class *tc)
 582 {
 583         int ret = 0;
 584         uint64_t i;
 585
 586         if (tc->is_translated) {
 587                 goto end;
 588         }
 589
 590         if (tc->packet_header_fc) {
 591                 struct bt_private_field_class *ir_fc = scope_ctf_field_class_to_ir(
 592                         tc->packet_header_fc, tc, NULL, NULL);
 593
 594                 if (ir_fc) {
 595                         ret = bt_private_trace_set_packet_header_private_field_class(
 596                                 ir_trace, ir_fc);
 597                         BT_ASSERT(ret == 0);
 598                         bt_object_put_ref(ir_fc);
 599                 }
 600         }
 601
 602         if (tc->name->len > 0) {
 603                 ret = bt_private_trace_set_name(ir_trace, tc->name->str);
 604                 if (ret) {
 605                         goto end;
 606                 }
 607         }
 608
 609         if (tc->is_uuid_set) {
 610                 ret = bt_private_trace_set_uuid(ir_trace, tc->uuid);
 611                 if (ret) {
 612                         goto end;
 613                 }
 614         }
 615
 616         for (i = 0; i < tc->env_entries->len; i++) {
 617                 struct ctf_trace_class_env_entry *env_entry =
 618                         ctf_trace_class_borrow_env_entry_by_index(tc, i);
 619
 620                 switch (env_entry->type) {
 621                 case CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT:
 622                         ret = bt_private_trace_set_private_environment_entry_integer(
 623                                 ir_trace, env_entry->name->str,
 624                                 env_entry->value.i);
 625                         break;
 626                 case CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR:
 627                         ret = bt_private_trace_set_private_environment_entry_string(
 628                                 ir_trace, env_entry->name->str,
 629                                 env_entry->value.str->str);
 630                         break;
 631                 default:
 632                         abort();
 633                 }
 634
 635                 if (ret) {
 636                         goto end;
 637                 }
 638         }
 639
 640         ret = bt_private_trace_set_assigns_automatic_stream_class_id(ir_trace,
 641                 BT_FALSE);
 642         if (ret) {
 643                 goto end;
 644         }
 645
 646         tc->is_translated = true;
 647         tc->ir_tc = ir_trace;
 648
 649 end:
 650         return ret;
 651 }
 652
 653 BT_HIDDEN
 654 int ctf_trace_class_translate(struct bt_private_trace *ir_trace,
 655                 struct ctf_trace_class *tc)
 656 {
 657         int ret = 0;
 658         uint64_t i;
 659
 660         ret = ctf_trace_class_to_ir(ir_trace, tc);
 661         if (ret) {
 662                 goto end;
 663         }
 664
 665         for (i = 0; i < tc->stream_classes->len; i++) {
 666                 uint64_t j;
 667                 struct ctf_stream_class *sc = tc->stream_classes->pdata[i];
 668                 struct bt_private_stream_class *ir_sc;
 669
 670                 ir_sc = ctf_stream_class_to_ir(sc, ir_trace, tc);
 671                 if (!ir_sc) {
 672                         ret = -1;
 673                         goto end;
 674                 }
 675
 676                 for (j = 0; j < sc->event_classes->len; j++) {
 677                         struct ctf_event_class *ec = sc->event_classes->pdata[j];
 678                         struct bt_private_event_class *ir_ec;
 679
 680                         ir_ec = ctf_event_class_to_ir(ec, ir_sc, tc, sc);
 681                         if (!ir_ec) {
 682                                 ret = -1;
 683                                 goto end;
 684                         }
 685                 }
 686         }
 687
 688 end:
 689         return ret;
 690 }