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_put(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_EVENT:
 138                 ret = pretty_print_event(pretty, notification);
 139                 break;
 140         case BT_NOTIFICATION_TYPE_INACTIVITY:
 141                 fprintf(stderr, "Inactivity notification\n");
 142                 break;
 143         case BT_NOTIFICATION_TYPE_DISCARDED_PACKETS:
 144         case BT_NOTIFICATION_TYPE_DISCARDED_EVENTS:
 145                 ret = pretty_print_discarded_elements(pretty, notification);
 146                 break;
 147         default:
 148                 break;
 149         }
 150
 151         return ret;
 152 }
 153
 154 BT_HIDDEN
 155 void pretty_port_connected(
 156                 struct bt_private_component *component,
 157                 struct bt_private_port *self_port,
 158                 struct bt_port *other_port)
 159 {
 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                 pretty->error = true;
 173         }
 174
 175         bt_put(connection);
 176 }
 177
 178 BT_HIDDEN
 179 enum bt_component_status pretty_consume(struct bt_private_component *component)
 180 {
 181         enum bt_component_status ret;
 182         struct bt_notification *notification = NULL;
 183         struct bt_notification_iterator *it;
 184         struct pretty_component *pretty =
 185                 bt_private_component_get_user_data(component);
 186         enum bt_notification_iterator_status it_ret;
 187
 188         if (unlikely(pretty->error)) {
 189                 ret = BT_COMPONENT_STATUS_ERROR;
 190                 goto end;
 191         }
 192
 193         it = pretty->input_iterator;
 194         it_ret = bt_notification_iterator_next(it);
 195
 196         switch (it_ret) {
 197         case BT_NOTIFICATION_ITERATOR_STATUS_END:
 198                 ret = BT_COMPONENT_STATUS_END;
 199                 BT_PUT(pretty->input_iterator);
 200                 goto end;
 201         case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
 202                 ret = BT_COMPONENT_STATUS_AGAIN;
 203                 goto end;
 204         case BT_NOTIFICATION_ITERATOR_STATUS_OK:
 205                 break;
 206         default:
 207                 ret = BT_COMPONENT_STATUS_ERROR;
 208                 goto end;
 209         }
 210
 211         notification = bt_notification_iterator_borrow_notification(it);
 212         BT_ASSERT(notification);
 213         ret = handle_notification(pretty, notification);
 214
 215 end:
 216         return ret;
 217 }
 218
 219 static
 220 enum bt_component_status add_params_to_map(struct bt_value *plugin_opt_map)
 221 {
 222         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 223         unsigned int i;
 224
 225         for (i = 0; i < BT_ARRAY_SIZE(plugin_options); i++) {
 226                 const char *key = plugin_options[i];
 227                 enum bt_value_status status;
 228
 229                 status = bt_value_map_insert(plugin_opt_map, key, bt_value_null);
 230                 switch (status) {
 231                 case BT_VALUE_STATUS_OK:
 232                         break;
 233                 default:
 234                         ret = BT_COMPONENT_STATUS_ERROR;
 235                         goto end;
 236                 }
 237         }
 238 end:
 239         return ret;
 240 }
 241
 242 static
 243 bt_bool check_param_exists(const char *key, struct bt_value *object, void *data)
 244 {
 245         struct pretty_component *pretty = data;
 246         struct bt_value *plugin_opt_map = pretty->plugin_opt_map;
 247
 248         if (!bt_value_map_has_key(plugin_opt_map, key)) {
 249                 fprintf(pretty->err,
 250                         "[warning] Parameter \"%s\" unknown to \"text.pretty\" sink component\n", key);
 251         }
 252         return BT_TRUE;
 253 }
 254
 255 static
 256 enum bt_component_status apply_one_string(const char *key,
 257                 struct bt_value *params,
 258                 char **option)
 259 {
 260         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 261         struct bt_value *value = NULL;
 262         enum bt_value_status status;
 263         const char *str;
 264
 265         value = bt_value_map_borrow(params, key);
 266         if (!value) {
 267                 goto end;
 268         }
 269         if (bt_value_is_null(value)) {
 270                 goto end;
 271         }
 272         status = bt_value_string_get(value, &str);
 273         switch (status) {
 274         case BT_VALUE_STATUS_OK:
 275                 break;
 276         default:
 277                 ret = BT_COMPONENT_STATUS_ERROR;
 278                 goto end;
 279         }
 280         *option = g_strdup(str);
 281 end:
 282         return ret;
 283 }
 284
 285 static
 286 enum bt_component_status apply_one_bool(const char *key,
 287                 struct bt_value *params,
 288                 bool *option,
 289                 bool *found)
 290 {
 291         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 292         struct bt_value *value = NULL;
 293         enum bt_value_status status;
 294         bt_bool bool_val;
 295
 296         value = bt_value_map_borrow(params, key);
 297         if (!value) {
 298                 goto end;
 299         }
 300         status = bt_value_bool_get(value, &bool_val);
 301         switch (status) {
 302         case BT_VALUE_STATUS_OK:
 303                 break;
 304         default:
 305                 ret = BT_COMPONENT_STATUS_ERROR;
 306                 goto end;
 307         }
 308         *option = (bool) bool_val;
 309         if (found) {
 310                 *found = true;
 311         }
 312
 313 end:
 314         return ret;
 315 }
 316
 317 static
 318 void warn_wrong_color_param(struct pretty_component *pretty)
 319 {
 320         fprintf(pretty->err,
 321                 "[warning] Accepted values for the \"color\" parameter are:\n    \"always\", \"auto\", \"never\"\n");
 322 }
 323
 324 static
 325 enum bt_component_status open_output_file(struct pretty_component *pretty)
 326 {
 327         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 328
 329         if (!pretty->options.output_path) {
 330                 goto end;
 331         }
 332
 333         pretty->out = fopen(pretty->options.output_path, "w");
 334         if (!pretty->out) {
 335                 goto error;
 336         }
 337
 338         goto end;
 339
 340 error:
 341         ret = BT_COMPONENT_STATUS_ERROR;
 342 end:
 343         return ret;
 344 }
 345
 346 static
 347 enum bt_component_status apply_params(struct pretty_component *pretty,
 348                 struct bt_value *params)
 349 {
 350         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 351         enum bt_value_status status;
 352         bool value, found;
 353         char *str = NULL;
 354
 355         pretty->plugin_opt_map = bt_value_map_create();
 356         if (!pretty->plugin_opt_map) {
 357                 ret = BT_COMPONENT_STATUS_ERROR;
 358                 goto end;
 359         }
 360         ret = add_params_to_map(pretty->plugin_opt_map);
 361         if (ret != BT_COMPONENT_STATUS_OK) {
 362                 goto end;
 363         }
 364         /* Report unknown parameters. */
 365         status = bt_value_map_foreach(params, check_param_exists, pretty);
 366         switch (status) {
 367         case BT_VALUE_STATUS_OK:
 368                 break;
 369         default:
 370                 ret = BT_COMPONENT_STATUS_ERROR;
 371                 goto end;
 372         }
 373         /* Known parameters. */
 374         pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 375         if (bt_value_map_has_key(params, "color")) {
 376                 struct bt_value *color_value;
 377                 const char *color;
 378
 379                 color_value = bt_value_map_borrow(params, "color");
 380                 if (!color_value) {
 381                         goto end;
 382                 }
 383
 384                 status = bt_value_string_get(color_value, &color);
 385                 if (status) {
 386                         warn_wrong_color_param(pretty);
 387                 } else {
 388                         if (strcmp(color, "never") == 0) {
 389                                 pretty->options.color = PRETTY_COLOR_OPT_NEVER;
 390                         } else if (strcmp(color, "auto") == 0) {
 391                                 pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 392                         } else if (strcmp(color, "always") == 0) {
 393                                 pretty->options.color = PRETTY_COLOR_OPT_ALWAYS;
 394                         } else {
 395                                 warn_wrong_color_param(pretty);
 396                         }
 397                 }
 398         }
 399
 400         ret = apply_one_string("path", params, &pretty->options.output_path);
 401         if (ret != BT_COMPONENT_STATUS_OK) {
 402                 goto end;
 403         }
 404         ret = open_output_file(pretty);
 405         if (ret != BT_COMPONENT_STATUS_OK) {
 406                 goto end;
 407         }
 408
 409         value = false;          /* Default. */
 410         ret = apply_one_bool("no-delta", params, &value, NULL);
 411         if (ret != BT_COMPONENT_STATUS_OK) {
 412                 goto end;
 413         }
 414         pretty->options.print_delta_field = !value;     /* Reverse logic. */
 415
 416         value = false;          /* Default. */
 417         ret = apply_one_bool("clock-cycles", params, &value, NULL);
 418         if (ret != BT_COMPONENT_STATUS_OK) {
 419                 goto end;
 420         }
 421         pretty->options.print_timestamp_cycles = value;
 422
 423         value = false;          /* Default. */
 424         ret = apply_one_bool("clock-seconds", params, &value, NULL);
 425         if (ret != BT_COMPONENT_STATUS_OK) {
 426                 goto end;
 427         }
 428         pretty->options.clock_seconds = value;
 429
 430         value = false;          /* Default. */
 431         ret = apply_one_bool("clock-date", params, &value, NULL);
 432         if (ret != BT_COMPONENT_STATUS_OK) {
 433                 goto end;
 434         }
 435         pretty->options.clock_date = value;
 436
 437         value = false;          /* Default. */
 438         ret = apply_one_bool("clock-gmt", params, &value, NULL);
 439         if (ret != BT_COMPONENT_STATUS_OK) {
 440                 goto end;
 441         }
 442         pretty->options.clock_gmt = value;
 443
 444         value = false;          /* Default. */
 445         ret = apply_one_bool("verbose", params, &value, NULL);
 446         if (ret != BT_COMPONENT_STATUS_OK) {
 447                 goto end;
 448         }
 449         pretty->options.verbose = value;
 450
 451         /* Names. */
 452         ret = apply_one_string("name-default", params, &str);
 453         if (ret != BT_COMPONENT_STATUS_OK) {
 454                 goto end;
 455         }
 456         if (!str) {
 457                 pretty->options.name_default = PRETTY_DEFAULT_UNSET;
 458         } else if (!strcmp(str, "show")) {
 459                 pretty->options.name_default = PRETTY_DEFAULT_SHOW;
 460         } else if (!strcmp(str, "hide")) {
 461                 pretty->options.name_default = PRETTY_DEFAULT_HIDE;
 462         } else {
 463                 ret = BT_COMPONENT_STATUS_ERROR;
 464                 goto end;
 465         }
 466         g_free(str);
 467         str = NULL;
 468
 469         switch (pretty->options.name_default) {
 470         case PRETTY_DEFAULT_UNSET:
 471                 pretty->options.print_payload_field_names = true;
 472                 pretty->options.print_context_field_names = true;
 473                 pretty->options.print_header_field_names = false;
 474                 pretty->options.print_scope_field_names = false;
 475                 break;
 476         case PRETTY_DEFAULT_SHOW:
 477                 pretty->options.print_payload_field_names = true;
 478                 pretty->options.print_context_field_names = true;
 479                 pretty->options.print_header_field_names = true;
 480                 pretty->options.print_scope_field_names = true;
 481                 break;
 482         case PRETTY_DEFAULT_HIDE:
 483                 pretty->options.print_payload_field_names = false;
 484                 pretty->options.print_context_field_names = false;
 485                 pretty->options.print_header_field_names = false;
 486                 pretty->options.print_scope_field_names = false;
 487                 break;
 488         default:
 489                 ret = BT_COMPONENT_STATUS_ERROR;
 490                 goto end;
 491         }
 492
 493         value = false;
 494         found = false;
 495         ret = apply_one_bool("name-payload", params, &value, &found);
 496         if (ret != BT_COMPONENT_STATUS_OK) {
 497                 goto end;
 498         }
 499         if (found) {
 500                 pretty->options.print_payload_field_names = value;
 501         }
 502
 503         value = false;
 504         found = false;
 505         ret = apply_one_bool("name-context", params, &value, &found);
 506         if (ret != BT_COMPONENT_STATUS_OK) {
 507                 goto end;
 508         }
 509         if (found) {
 510                 pretty->options.print_context_field_names = value;
 511         }
 512
 513         value = false;
 514         found = false;
 515         ret = apply_one_bool("name-header", params, &value, &found);
 516         if (ret != BT_COMPONENT_STATUS_OK) {
 517                 goto end;
 518         }
 519         if (found) {
 520                 pretty->options.print_header_field_names = value;
 521         }
 522
 523         value = false;
 524         found = false;
 525         ret = apply_one_bool("name-scope", params, &value, &found);
 526         if (ret != BT_COMPONENT_STATUS_OK) {
 527                 goto end;
 528         }
 529         if (found) {
 530                 pretty->options.print_scope_field_names = value;
 531         }
 532
 533         /* Fields. */
 534         ret = apply_one_string("field-default", params, &str);
 535         if (ret != BT_COMPONENT_STATUS_OK) {
 536                 goto end;
 537         }
 538         if (!str) {
 539                 pretty->options.field_default = PRETTY_DEFAULT_UNSET;
 540         } else if (!strcmp(str, "show")) {
 541                 pretty->options.field_default = PRETTY_DEFAULT_SHOW;
 542         } else if (!strcmp(str, "hide")) {
 543                 pretty->options.field_default = PRETTY_DEFAULT_HIDE;
 544         } else {
 545                 ret = BT_COMPONENT_STATUS_ERROR;
 546                 goto end;
 547         }
 548         g_free(str);
 549         str = NULL;
 550
 551         switch (pretty->options.field_default) {
 552         case PRETTY_DEFAULT_UNSET:
 553                 pretty->options.print_trace_field = false;
 554                 pretty->options.print_trace_hostname_field = true;
 555                 pretty->options.print_trace_domain_field = false;
 556                 pretty->options.print_trace_procname_field = true;
 557                 pretty->options.print_trace_vpid_field = true;
 558                 pretty->options.print_loglevel_field = false;
 559                 pretty->options.print_emf_field = false;
 560                 pretty->options.print_callsite_field = false;
 561                 break;
 562         case PRETTY_DEFAULT_SHOW:
 563                 pretty->options.print_trace_field = true;
 564                 pretty->options.print_trace_hostname_field = true;
 565                 pretty->options.print_trace_domain_field = true;
 566                 pretty->options.print_trace_procname_field = true;
 567                 pretty->options.print_trace_vpid_field = true;
 568                 pretty->options.print_loglevel_field = true;
 569                 pretty->options.print_emf_field = true;
 570                 pretty->options.print_callsite_field = true;
 571                 break;
 572         case PRETTY_DEFAULT_HIDE:
 573                 pretty->options.print_trace_field = false;
 574                 pretty->options.print_trace_hostname_field = false;
 575                 pretty->options.print_trace_domain_field = false;
 576                 pretty->options.print_trace_procname_field = false;
 577                 pretty->options.print_trace_vpid_field = false;
 578                 pretty->options.print_loglevel_field = false;
 579                 pretty->options.print_emf_field = false;
 580                 pretty->options.print_callsite_field = false;
 581                 break;
 582         default:
 583                 ret = BT_COMPONENT_STATUS_ERROR;
 584                 goto end;
 585         }
 586
 587         value = false;
 588         found = false;
 589         ret = apply_one_bool("field-trace", params, &value, &found);
 590         if (ret != BT_COMPONENT_STATUS_OK) {
 591                 goto end;
 592         }
 593         if (found) {
 594                 pretty->options.print_trace_field = value;
 595         }
 596
 597         value = false;
 598         found = false;
 599         ret = apply_one_bool("field-trace:hostname", params, &value, &found);
 600         if (ret != BT_COMPONENT_STATUS_OK) {
 601                 goto end;
 602         }
 603         if (found) {
 604                 pretty->options.print_trace_hostname_field = value;
 605         }
 606
 607         value = false;
 608         found = false;
 609         ret = apply_one_bool("field-trace:domain", params, &value, &found);
 610         if (ret != BT_COMPONENT_STATUS_OK) {
 611                 goto end;
 612         }
 613         if (found) {
 614                 pretty->options.print_trace_domain_field = value;
 615         }
 616
 617         value = false;
 618         found = false;
 619         ret = apply_one_bool("field-trace:procname", params, &value, &found);
 620         if (ret != BT_COMPONENT_STATUS_OK) {
 621                 goto end;
 622         }
 623         if (found) {
 624                 pretty->options.print_trace_procname_field = value;
 625         }
 626
 627         value = false;
 628         found = false;
 629         ret = apply_one_bool("field-trace:vpid", params, &value, &found);
 630         if (ret != BT_COMPONENT_STATUS_OK) {
 631                 goto end;
 632         }
 633         if (found) {
 634                 pretty->options.print_trace_vpid_field = value;
 635         }
 636
 637         value = false;
 638         found = false;
 639         ret = apply_one_bool("field-loglevel", params, &value, &found);
 640         if (ret != BT_COMPONENT_STATUS_OK) {
 641                 goto end;
 642         }
 643         if (found) {
 644                 pretty->options.print_loglevel_field = value;
 645         }
 646
 647         value = false;
 648         found = false;
 649         ret = apply_one_bool("field-emf", params, &value, &found);
 650         if (ret != BT_COMPONENT_STATUS_OK) {
 651                 goto end;
 652         }
 653         if (found) {
 654                 pretty->options.print_emf_field = value;
 655         }
 656
 657         value = false;
 658         found = false;
 659         ret = apply_one_bool("field-callsite", params, &value, &found);
 660         if (ret != BT_COMPONENT_STATUS_OK) {
 661                 goto end;
 662         }
 663         if (found) {
 664                 pretty->options.print_callsite_field = value;
 665         }
 666
 667 end:
 668         bt_put(pretty->plugin_opt_map);
 669         pretty->plugin_opt_map = NULL;
 670         g_free(str);
 671         return ret;
 672 }
 673
 674 static
 675 void set_use_colors(struct pretty_component *pretty)
 676 {
 677         switch (pretty->options.color) {
 678         case PRETTY_COLOR_OPT_ALWAYS:
 679                 pretty->use_colors = true;
 680                 break;
 681         case PRETTY_COLOR_OPT_AUTO:
 682                 pretty->use_colors = pretty->out == stdout &&
 683                         bt_common_colors_supported();
 684                 break;
 685         case PRETTY_COLOR_OPT_NEVER:
 686                 pretty->use_colors = false;
 687                 break;
 688         }
 689 }
 690
 691 static
 692 void init_stream_packet_context_quarks(void)
 693 {
 694         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 695                 g_quark_from_string("timestamp_begin");
 696         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 697                 g_quark_from_string("timestamp_begin");
 698         stream_packet_context_quarks[Q_TIMESTAMP_END] =
 699                 g_quark_from_string("timestamp_end");
 700         stream_packet_context_quarks[Q_EVENTS_DISCARDED] =
 701                 g_quark_from_string("events_discarded");
 702         stream_packet_context_quarks[Q_CONTENT_SIZE] =
 703                 g_quark_from_string("content_size");
 704         stream_packet_context_quarks[Q_PACKET_SIZE] =
 705                 g_quark_from_string("packet_size");
 706         stream_packet_context_quarks[Q_PACKET_SEQ_NUM] =
 707                 g_quark_from_string("packet_seq_num");
 708 }
 709
 710 BT_HIDDEN
 711 enum bt_component_status pretty_init(
 712                 struct bt_private_component *component,
 713                 struct bt_value *params,
 714                 UNUSED_VAR void *init_method_data)
 715 {
 716         enum bt_component_status ret;
 717         struct pretty_component *pretty = create_pretty();
 718
 719         if (!pretty) {
 720                 ret = BT_COMPONENT_STATUS_NOMEM;
 721                 goto end;
 722         }
 723
 724         ret = bt_private_component_sink_add_input_private_port(component,
 725                 "in", NULL, NULL);
 726         if (ret != BT_COMPONENT_STATUS_OK) {
 727                 goto end;
 728         }
 729
 730         pretty->out = stdout;
 731         pretty->err = stderr;
 732
 733         pretty->delta_cycles = -1ULL;
 734         pretty->last_cycles_timestamp = -1ULL;
 735
 736         pretty->delta_real_timestamp = -1ULL;
 737         pretty->last_real_timestamp = -1ULL;
 738
 739         ret = apply_params(pretty, params);
 740         if (ret != BT_COMPONENT_STATUS_OK) {
 741                 goto error;
 742         }
 743
 744         set_use_colors(pretty);
 745         ret = bt_private_component_set_user_data(component, pretty);
 746         if (ret != BT_COMPONENT_STATUS_OK) {
 747                 goto error;
 748         }
 749
 750         init_stream_packet_context_quarks();
 751
 752 end:
 753         return ret;
 754 error:
 755         destroy_pretty_data(pretty);
 756         return ret;
 757 }