plugins/text/pretty/pretty.c

   1 /*
   2  * pretty.c
   3  *
   4  * Babeltrace CTF Text Output Plugin
   5  *
   6  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  * Copyright 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  *
   9  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <babeltrace/babeltrace.h>
  31 #include <babeltrace/values.h>
  32 #include <babeltrace/compiler-internal.h>
  33 #include <babeltrace/common-internal.h>
  34 #include <plugins-common.h>
  35 #include <stdio.h>
  36 #include <stdbool.h>
  37 #include <glib.h>
  38 #include <babeltrace/assert-internal.h>
  39
  40 #include "pretty.h"
  41
  42 GQuark stream_packet_context_quarks[STREAM_PACKET_CONTEXT_QUARKS_LEN];
  43
  44 static
  45 const char *plugin_options[] = {
  46         "color",
  47         "path",
  48         "no-delta",
  49         "clock-cycles",
  50         "clock-seconds",
  51         "clock-date",
  52         "clock-gmt",
  53         "verbose",
  54         "name-default",         /* show/hide */
  55         "name-payload",
  56         "name-context",
  57         "name-scope",
  58         "name-header",
  59         "field-default",        /* show/hide */
  60         "field-trace",
  61         "field-trace:hostname",
  62         "field-trace:domain",
  63         "field-trace:procname",
  64         "field-trace:vpid",
  65         "field-loglevel",
  66         "field-emf",
  67         "field-callsite",
  68 };
  69
  70 static
  71 void destroy_pretty_data(struct pretty_component *pretty)
  72 {
  73         bt_object_put_ref(pretty->input_iterator);
  74
  75         if (pretty->string) {
  76                 (void) g_string_free(pretty->string, TRUE);
  77         }
  78
  79         if (pretty->tmp_string) {
  80                 (void) g_string_free(pretty->tmp_string, TRUE);
  81         }
  82
  83         if (pretty->out != stdout) {
  84                 int ret;
  85
  86                 ret = fclose(pretty->out);
  87                 if (ret) {
  88                         perror("close output file");
  89                 }
  90         }
  91         g_free(pretty->options.output_path);
  92         g_free(pretty);
  93 }
  94
  95 static
  96 struct pretty_component *create_pretty(void)
  97 {
  98         struct pretty_component *pretty;
  99
 100         pretty = g_new0(struct pretty_component, 1);
 101         if (!pretty) {
 102                 goto end;
 103         }
 104         pretty->string = g_string_new("");
 105         if (!pretty->string) {
 106                 goto error;
 107         }
 108         pretty->tmp_string = g_string_new("");
 109         if (!pretty->tmp_string) {
 110                 goto error;
 111         }
 112 end:
 113         return pretty;
 114
 115 error:
 116         g_free(pretty);
 117         return NULL;
 118 }
 119
 120 BT_HIDDEN
 121 void pretty_finalize(struct bt_private_component *component)
 122 {
 123         void *data = bt_private_component_get_user_data(component);
 124
 125         destroy_pretty_data(data);
 126 }
 127
 128 static
 129 enum bt_component_status handle_notification(struct pretty_component *pretty,
 130                 struct bt_notification *notification)
 131 {
 132         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 133
 134         BT_ASSERT(pretty);
 135
 136         switch (bt_notification_get_type(notification)) {
 137         case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
 138                 ret = pretty_print_packet(pretty, notification);
 139                 break;
 140         case BT_NOTIFICATION_TYPE_EVENT:
 141                 ret = pretty_print_event(pretty, notification);
 142                 break;
 143         case BT_NOTIFICATION_TYPE_INACTIVITY:
 144                 fprintf(stderr, "Inactivity notification\n");
 145                 break;
 146         default:
 147                 break;
 148         }
 149
 150         return ret;
 151 }
 152
 153 BT_HIDDEN
 154 enum bt_component_status pretty_port_connected(
 155                 struct bt_private_component *component,
 156                 struct bt_private_port *self_port,
 157                 struct bt_port *other_port)
 158 {
 159         enum bt_component_status status = BT_COMPONENT_STATUS_OK;
 160         enum bt_connection_status conn_status;
 161         struct bt_private_connection *connection;
 162         struct pretty_component *pretty;
 163
 164         pretty = bt_private_component_get_user_data(component);
 165         BT_ASSERT(pretty);
 166         BT_ASSERT(!pretty->input_iterator);
 167         connection = bt_private_port_get_private_connection(self_port);
 168         BT_ASSERT(connection);
 169         conn_status = bt_private_connection_create_notification_iterator(
 170                 connection, &pretty->input_iterator);
 171         if (conn_status != BT_CONNECTION_STATUS_OK) {
 172                 status = BT_COMPONENT_STATUS_ERROR;
 173         }
 174
 175         bt_object_put_ref(connection);
 176         return status;
 177 }
 178
 179 BT_HIDDEN
 180 enum bt_component_status pretty_consume(struct bt_private_component *component)
 181 {
 182         enum bt_component_status ret;
 183         bt_notification_array notifs;
 184         struct bt_notification_iterator *it;
 185         struct pretty_component *pretty =
 186                 bt_private_component_get_user_data(component);
 187         enum bt_notification_iterator_status it_ret;
 188         uint64_t count = 0;
 189         uint64_t i = 0;
 190
 191         it = pretty->input_iterator;
 192         it_ret = bt_private_connection_notification_iterator_next(it, &notifs,
 193                 &count);
 194
 195         switch (it_ret) {
 196         case BT_NOTIFICATION_ITERATOR_STATUS_END:
 197                 ret = BT_COMPONENT_STATUS_END;
 198                 BT_OBJECT_PUT_REF_AND_RESET(pretty->input_iterator);
 199                 goto end;
 200         case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
 201                 ret = BT_COMPONENT_STATUS_AGAIN;
 202                 goto end;
 203         case BT_NOTIFICATION_ITERATOR_STATUS_OK:
 204                 break;
 205         default:
 206                 ret = BT_COMPONENT_STATUS_ERROR;
 207                 goto end;
 208         }
 209
 210         BT_ASSERT(it_ret == BT_NOTIFICATION_ITERATOR_STATUS_OK);
 211
 212         for (i = 0; i < count; i++) {
 213                 ret = handle_notification(pretty, notifs[i]);
 214                 if (ret) {
 215                         goto end;
 216                 }
 217
 218                 bt_object_put_ref(notifs[i]);
 219         }
 220
 221 end:
 222         for (; i < count; i++) {
 223                 bt_object_put_ref(notifs[i]);
 224         }
 225
 226         return ret;
 227 }
 228
 229 static
 230 enum bt_component_status add_params_to_map(struct bt_value *plugin_opt_map)
 231 {
 232         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 233         unsigned int i;
 234
 235         for (i = 0; i < BT_ARRAY_SIZE(plugin_options); i++) {
 236                 const char *key = plugin_options[i];
 237                 enum bt_value_status status;
 238
 239                 status = bt_value_map_insert_entry(plugin_opt_map, key, bt_value_null);
 240                 switch (status) {
 241                 case BT_VALUE_STATUS_OK:
 242                         break;
 243                 default:
 244                         ret = BT_COMPONENT_STATUS_ERROR;
 245                         goto end;
 246                 }
 247         }
 248 end:
 249         return ret;
 250 }
 251
 252 static
 253 bt_bool check_param_exists(const char *key, struct bt_value *object, void *data)
 254 {
 255         struct pretty_component *pretty = data;
 256         struct bt_value *plugin_opt_map = pretty->plugin_opt_map;
 257
 258         if (!bt_value_map_has_entry(plugin_opt_map, key)) {
 259                 fprintf(pretty->err,
 260                         "[warning] Parameter \"%s\" unknown to \"text.pretty\" sink component\n", key);
 261         }
 262         return BT_TRUE;
 263 }
 264
 265 static
 266 enum bt_component_status apply_one_string(const char *key,
 267                 struct bt_value *params,
 268                 char **option)
 269 {
 270         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 271         struct bt_value *value = NULL;
 272         enum bt_value_status status;
 273         const char *str;
 274
 275         value = bt_value_map_borrow_entry_value(params, key);
 276         if (!value) {
 277                 goto end;
 278         }
 279         if (bt_value_is_null(value)) {
 280                 goto end;
 281         }
 282         status = bt_value_string_get(value, &str);
 283         switch (status) {
 284         case BT_VALUE_STATUS_OK:
 285                 break;
 286         default:
 287                 ret = BT_COMPONENT_STATUS_ERROR;
 288                 goto end;
 289         }
 290         *option = g_strdup(str);
 291 end:
 292         return ret;
 293 }
 294
 295 static
 296 enum bt_component_status apply_one_bool(const char *key,
 297                 struct bt_value *params,
 298                 bool *option,
 299                 bool *found)
 300 {
 301         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 302         struct bt_value *value = NULL;
 303         enum bt_value_status status;
 304         bt_bool bool_val;
 305
 306         value = bt_value_map_borrow_entry_value(params, key);
 307         if (!value) {
 308                 goto end;
 309         }
 310         status = bt_value_bool_get(value, &bool_val);
 311         switch (status) {
 312         case BT_VALUE_STATUS_OK:
 313                 break;
 314         default:
 315                 ret = BT_COMPONENT_STATUS_ERROR;
 316                 goto end;
 317         }
 318         *option = (bool) bool_val;
 319         if (found) {
 320                 *found = true;
 321         }
 322
 323 end:
 324         return ret;
 325 }
 326
 327 static
 328 void warn_wrong_color_param(struct pretty_component *pretty)
 329 {
 330         fprintf(pretty->err,
 331                 "[warning] Accepted values for the \"color\" parameter are:\n    \"always\", \"auto\", \"never\"\n");
 332 }
 333
 334 static
 335 enum bt_component_status open_output_file(struct pretty_component *pretty)
 336 {
 337         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 338
 339         if (!pretty->options.output_path) {
 340                 goto end;
 341         }
 342
 343         pretty->out = fopen(pretty->options.output_path, "w");
 344         if (!pretty->out) {
 345                 goto error;
 346         }
 347
 348         goto end;
 349
 350 error:
 351         ret = BT_COMPONENT_STATUS_ERROR;
 352 end:
 353         return ret;
 354 }
 355
 356 static
 357 enum bt_component_status apply_params(struct pretty_component *pretty,
 358                 struct bt_value *params)
 359 {
 360         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 361         enum bt_value_status status;
 362         bool value, found;
 363         char *str = NULL;
 364
 365         pretty->plugin_opt_map = bt_value_map_create();
 366         if (!pretty->plugin_opt_map) {
 367                 ret = BT_COMPONENT_STATUS_ERROR;
 368                 goto end;
 369         }
 370         ret = add_params_to_map(pretty->plugin_opt_map);
 371         if (ret != BT_COMPONENT_STATUS_OK) {
 372                 goto end;
 373         }
 374         /* Report unknown parameters. */
 375         status = bt_value_map_foreach_entry(params, check_param_exists, pretty);
 376         switch (status) {
 377         case BT_VALUE_STATUS_OK:
 378                 break;
 379         default:
 380                 ret = BT_COMPONENT_STATUS_ERROR;
 381                 goto end;
 382         }
 383         /* Known parameters. */
 384         pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 385         if (bt_value_map_has_entry(params, "color")) {
 386                 struct bt_value *color_value;
 387                 const char *color;
 388
 389                 color_value = bt_value_map_borrow_entry_value(params, "color");
 390                 if (!color_value) {
 391                         goto end;
 392                 }
 393
 394                 status = bt_value_string_get(color_value, &color);
 395                 if (status) {
 396                         warn_wrong_color_param(pretty);
 397                 } else {
 398                         if (strcmp(color, "never") == 0) {
 399                                 pretty->options.color = PRETTY_COLOR_OPT_NEVER;
 400                         } else if (strcmp(color, "auto") == 0) {
 401                                 pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 402                         } else if (strcmp(color, "always") == 0) {
 403                                 pretty->options.color = PRETTY_COLOR_OPT_ALWAYS;
 404                         } else {
 405                                 warn_wrong_color_param(pretty);
 406                         }
 407                 }
 408         }
 409
 410         ret = apply_one_string("path", params, &pretty->options.output_path);
 411         if (ret != BT_COMPONENT_STATUS_OK) {
 412                 goto end;
 413         }
 414         ret = open_output_file(pretty);
 415         if (ret != BT_COMPONENT_STATUS_OK) {
 416                 goto end;
 417         }
 418
 419         value = false;          /* Default. */
 420         ret = apply_one_bool("no-delta", params, &value, NULL);
 421         if (ret != BT_COMPONENT_STATUS_OK) {
 422                 goto end;
 423         }
 424         pretty->options.print_delta_field = !value;     /* Reverse logic. */
 425
 426         value = false;          /* Default. */
 427         ret = apply_one_bool("clock-cycles", params, &value, NULL);
 428         if (ret != BT_COMPONENT_STATUS_OK) {
 429                 goto end;
 430         }
 431         pretty->options.print_timestamp_cycles = value;
 432
 433         value = false;          /* Default. */
 434         ret = apply_one_bool("clock-seconds", params, &value, NULL);
 435         if (ret != BT_COMPONENT_STATUS_OK) {
 436                 goto end;
 437         }
 438         pretty->options.clock_seconds = value;
 439
 440         value = false;          /* Default. */
 441         ret = apply_one_bool("clock-date", params, &value, NULL);
 442         if (ret != BT_COMPONENT_STATUS_OK) {
 443                 goto end;
 444         }
 445         pretty->options.clock_date = value;
 446
 447         value = false;          /* Default. */
 448         ret = apply_one_bool("clock-gmt", params, &value, NULL);
 449         if (ret != BT_COMPONENT_STATUS_OK) {
 450                 goto end;
 451         }
 452         pretty->options.clock_gmt = value;
 453
 454         value = false;          /* Default. */
 455         ret = apply_one_bool("verbose", params, &value, NULL);
 456         if (ret != BT_COMPONENT_STATUS_OK) {
 457                 goto end;
 458         }
 459         pretty->options.verbose = value;
 460
 461         /* Names. */
 462         ret = apply_one_string("name-default", params, &str);
 463         if (ret != BT_COMPONENT_STATUS_OK) {
 464                 goto end;
 465         }
 466         if (!str) {
 467                 pretty->options.name_default = PRETTY_DEFAULT_UNSET;
 468         } else if (!strcmp(str, "show")) {
 469                 pretty->options.name_default = PRETTY_DEFAULT_SHOW;
 470         } else if (!strcmp(str, "hide")) {
 471                 pretty->options.name_default = PRETTY_DEFAULT_HIDE;
 472         } else {
 473                 ret = BT_COMPONENT_STATUS_ERROR;
 474                 goto end;
 475         }
 476         g_free(str);
 477         str = NULL;
 478
 479         switch (pretty->options.name_default) {
 480         case PRETTY_DEFAULT_UNSET:
 481                 pretty->options.print_payload_field_names = true;
 482                 pretty->options.print_context_field_names = true;
 483                 pretty->options.print_header_field_names = false;
 484                 pretty->options.print_scope_field_names = false;
 485                 break;
 486         case PRETTY_DEFAULT_SHOW:
 487                 pretty->options.print_payload_field_names = true;
 488                 pretty->options.print_context_field_names = true;
 489                 pretty->options.print_header_field_names = true;
 490                 pretty->options.print_scope_field_names = true;
 491                 break;
 492         case PRETTY_DEFAULT_HIDE:
 493                 pretty->options.print_payload_field_names = false;
 494                 pretty->options.print_context_field_names = false;
 495                 pretty->options.print_header_field_names = false;
 496                 pretty->options.print_scope_field_names = false;
 497                 break;
 498         default:
 499                 ret = BT_COMPONENT_STATUS_ERROR;
 500                 goto end;
 501         }
 502
 503         value = false;
 504         found = false;
 505         ret = apply_one_bool("name-payload", params, &value, &found);
 506         if (ret != BT_COMPONENT_STATUS_OK) {
 507                 goto end;
 508         }
 509         if (found) {
 510                 pretty->options.print_payload_field_names = value;
 511         }
 512
 513         value = false;
 514         found = false;
 515         ret = apply_one_bool("name-context", params, &value, &found);
 516         if (ret != BT_COMPONENT_STATUS_OK) {
 517                 goto end;
 518         }
 519         if (found) {
 520                 pretty->options.print_context_field_names = value;
 521         }
 522
 523         value = false;
 524         found = false;
 525         ret = apply_one_bool("name-header", params, &value, &found);
 526         if (ret != BT_COMPONENT_STATUS_OK) {
 527                 goto end;
 528         }
 529         if (found) {
 530                 pretty->options.print_header_field_names = value;
 531         }
 532
 533         value = false;
 534         found = false;
 535         ret = apply_one_bool("name-scope", params, &value, &found);
 536         if (ret != BT_COMPONENT_STATUS_OK) {
 537                 goto end;
 538         }
 539         if (found) {
 540                 pretty->options.print_scope_field_names = value;
 541         }
 542
 543         /* Fields. */
 544         ret = apply_one_string("field-default", params, &str);
 545         if (ret != BT_COMPONENT_STATUS_OK) {
 546                 goto end;
 547         }
 548         if (!str) {
 549                 pretty->options.field_default = PRETTY_DEFAULT_UNSET;
 550         } else if (!strcmp(str, "show")) {
 551                 pretty->options.field_default = PRETTY_DEFAULT_SHOW;
 552         } else if (!strcmp(str, "hide")) {
 553                 pretty->options.field_default = PRETTY_DEFAULT_HIDE;
 554         } else {
 555                 ret = BT_COMPONENT_STATUS_ERROR;
 556                 goto end;
 557         }
 558         g_free(str);
 559         str = NULL;
 560
 561         switch (pretty->options.field_default) {
 562         case PRETTY_DEFAULT_UNSET:
 563                 pretty->options.print_trace_field = false;
 564                 pretty->options.print_trace_hostname_field = true;
 565                 pretty->options.print_trace_domain_field = false;
 566                 pretty->options.print_trace_procname_field = true;
 567                 pretty->options.print_trace_vpid_field = true;
 568                 pretty->options.print_loglevel_field = false;
 569                 pretty->options.print_emf_field = false;
 570                 pretty->options.print_callsite_field = false;
 571                 break;
 572         case PRETTY_DEFAULT_SHOW:
 573                 pretty->options.print_trace_field = true;
 574                 pretty->options.print_trace_hostname_field = true;
 575                 pretty->options.print_trace_domain_field = true;
 576                 pretty->options.print_trace_procname_field = true;
 577                 pretty->options.print_trace_vpid_field = true;
 578                 pretty->options.print_loglevel_field = true;
 579                 pretty->options.print_emf_field = true;
 580                 pretty->options.print_callsite_field = true;
 581                 break;
 582         case PRETTY_DEFAULT_HIDE:
 583                 pretty->options.print_trace_field = false;
 584                 pretty->options.print_trace_hostname_field = false;
 585                 pretty->options.print_trace_domain_field = false;
 586                 pretty->options.print_trace_procname_field = false;
 587                 pretty->options.print_trace_vpid_field = false;
 588                 pretty->options.print_loglevel_field = false;
 589                 pretty->options.print_emf_field = false;
 590                 pretty->options.print_callsite_field = false;
 591                 break;
 592         default:
 593                 ret = BT_COMPONENT_STATUS_ERROR;
 594                 goto end;
 595         }
 596
 597         value = false;
 598         found = false;
 599         ret = apply_one_bool("field-trace", params, &value, &found);
 600         if (ret != BT_COMPONENT_STATUS_OK) {
 601                 goto end;
 602         }
 603         if (found) {
 604                 pretty->options.print_trace_field = value;
 605         }
 606
 607         value = false;
 608         found = false;
 609         ret = apply_one_bool("field-trace:hostname", params, &value, &found);
 610         if (ret != BT_COMPONENT_STATUS_OK) {
 611                 goto end;
 612         }
 613         if (found) {
 614                 pretty->options.print_trace_hostname_field = value;
 615         }
 616
 617         value = false;
 618         found = false;
 619         ret = apply_one_bool("field-trace:domain", params, &value, &found);
 620         if (ret != BT_COMPONENT_STATUS_OK) {
 621                 goto end;
 622         }
 623         if (found) {
 624                 pretty->options.print_trace_domain_field = value;
 625         }
 626
 627         value = false;
 628         found = false;
 629         ret = apply_one_bool("field-trace:procname", params, &value, &found);
 630         if (ret != BT_COMPONENT_STATUS_OK) {
 631                 goto end;
 632         }
 633         if (found) {
 634                 pretty->options.print_trace_procname_field = value;
 635         }
 636
 637         value = false;
 638         found = false;
 639         ret = apply_one_bool("field-trace:vpid", params, &value, &found);
 640         if (ret != BT_COMPONENT_STATUS_OK) {
 641                 goto end;
 642         }
 643         if (found) {
 644                 pretty->options.print_trace_vpid_field = value;
 645         }
 646
 647         value = false;
 648         found = false;
 649         ret = apply_one_bool("field-loglevel", params, &value, &found);
 650         if (ret != BT_COMPONENT_STATUS_OK) {
 651                 goto end;
 652         }
 653         if (found) {
 654                 pretty->options.print_loglevel_field = value;
 655         }
 656
 657         value = false;
 658         found = false;
 659         ret = apply_one_bool("field-emf", params, &value, &found);
 660         if (ret != BT_COMPONENT_STATUS_OK) {
 661                 goto end;
 662         }
 663         if (found) {
 664                 pretty->options.print_emf_field = value;
 665         }
 666
 667         value = false;
 668         found = false;
 669         ret = apply_one_bool("field-callsite", params, &value, &found);
 670         if (ret != BT_COMPONENT_STATUS_OK) {
 671                 goto end;
 672         }
 673         if (found) {
 674                 pretty->options.print_callsite_field = value;
 675         }
 676
 677 end:
 678         bt_object_put_ref(pretty->plugin_opt_map);
 679         pretty->plugin_opt_map = NULL;
 680         g_free(str);
 681         return ret;
 682 }
 683
 684 static
 685 void set_use_colors(struct pretty_component *pretty)
 686 {
 687         switch (pretty->options.color) {
 688         case PRETTY_COLOR_OPT_ALWAYS:
 689                 pretty->use_colors = true;
 690                 break;
 691         case PRETTY_COLOR_OPT_AUTO:
 692                 pretty->use_colors = pretty->out == stdout &&
 693                         bt_common_colors_supported();
 694                 break;
 695         case PRETTY_COLOR_OPT_NEVER:
 696                 pretty->use_colors = false;
 697                 break;
 698         }
 699 }
 700
 701 static
 702 void init_stream_packet_context_quarks(void)
 703 {
 704         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 705                 g_quark_from_string("timestamp_begin");
 706         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 707                 g_quark_from_string("timestamp_begin");
 708         stream_packet_context_quarks[Q_TIMESTAMP_END] =
 709                 g_quark_from_string("timestamp_end");
 710         stream_packet_context_quarks[Q_EVENTS_DISCARDED] =
 711                 g_quark_from_string("events_discarded");
 712         stream_packet_context_quarks[Q_CONTENT_SIZE] =
 713                 g_quark_from_string("content_size");
 714         stream_packet_context_quarks[Q_PACKET_SIZE] =
 715                 g_quark_from_string("packet_size");
 716         stream_packet_context_quarks[Q_PACKET_SEQ_NUM] =
 717                 g_quark_from_string("packet_seq_num");
 718 }
 719
 720 BT_HIDDEN
 721 enum bt_component_status pretty_init(
 722                 struct bt_private_component *component,
 723                 struct bt_value *params,
 724                 UNUSED_VAR void *init_method_data)
 725 {
 726         enum bt_component_status ret;
 727         struct pretty_component *pretty = create_pretty();
 728
 729         if (!pretty) {
 730                 ret = BT_COMPONENT_STATUS_NOMEM;
 731                 goto end;
 732         }
 733
 734         ret = bt_private_component_sink_add_input_private_port(component,
 735                 "in", NULL, NULL);
 736         if (ret != BT_COMPONENT_STATUS_OK) {
 737                 goto end;
 738         }
 739
 740         pretty->out = stdout;
 741         pretty->err = stderr;
 742
 743         pretty->delta_cycles = -1ULL;
 744         pretty->last_cycles_timestamp = -1ULL;
 745
 746         pretty->delta_real_timestamp = -1ULL;
 747         pretty->last_real_timestamp = -1ULL;
 748
 749         ret = apply_params(pretty, params);
 750         if (ret != BT_COMPONENT_STATUS_OK) {
 751                 goto error;
 752         }
 753
 754         set_use_colors(pretty);
 755         ret = bt_private_component_set_user_data(component, pretty);
 756         if (ret != BT_COMPONENT_STATUS_OK) {
 757                 goto error;
 758         }
 759
 760         init_stream_packet_context_quarks();
 761
 762 end:
 763         return ret;
 764 error:
 765         destroy_pretty_data(pretty);
 766         return ret;
 767 }