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         default:
 144                 break;
 145         }
 146
 147         return ret;
 148 }
 149
 150 BT_HIDDEN
 151 enum bt_component_status pretty_port_connected(
 152                 struct bt_private_component *component,
 153                 struct bt_private_port *self_port,
 154                 struct bt_port *other_port)
 155 {
 156         enum bt_component_status status = BT_COMPONENT_STATUS_OK;
 157         enum bt_connection_status conn_status;
 158         struct bt_private_connection *connection;
 159         struct pretty_component *pretty;
 160
 161         pretty = bt_private_component_get_user_data(component);
 162         BT_ASSERT(pretty);
 163         BT_ASSERT(!pretty->input_iterator);
 164         connection = bt_private_port_get_private_connection(self_port);
 165         BT_ASSERT(connection);
 166         conn_status = bt_private_connection_create_notification_iterator(
 167                 connection, &pretty->input_iterator);
 168         if (conn_status != BT_CONNECTION_STATUS_OK) {
 169                 status = BT_COMPONENT_STATUS_ERROR;
 170         }
 171
 172         bt_put(connection);
 173         return status;
 174 }
 175
 176 BT_HIDDEN
 177 enum bt_component_status pretty_consume(struct bt_private_component *component)
 178 {
 179         enum bt_component_status ret;
 180         bt_notification_array notifs;
 181         struct bt_notification_iterator *it;
 182         struct pretty_component *pretty =
 183                 bt_private_component_get_user_data(component);
 184         enum bt_notification_iterator_status it_ret;
 185         uint64_t count = 0;
 186         uint64_t i = 0;
 187
 188         it = pretty->input_iterator;
 189         it_ret = bt_private_connection_notification_iterator_next(it, &notifs,
 190                 &count);
 191
 192         switch (it_ret) {
 193         case BT_NOTIFICATION_ITERATOR_STATUS_END:
 194                 ret = BT_COMPONENT_STATUS_END;
 195                 BT_PUT(pretty->input_iterator);
 196                 goto end;
 197         case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
 198                 ret = BT_COMPONENT_STATUS_AGAIN;
 199                 goto end;
 200         case BT_NOTIFICATION_ITERATOR_STATUS_OK:
 201                 break;
 202         default:
 203                 ret = BT_COMPONENT_STATUS_ERROR;
 204                 goto end;
 205         }
 206
 207         BT_ASSERT(it_ret == BT_NOTIFICATION_ITERATOR_STATUS_OK);
 208
 209         for (i = 0; i < count; i++) {
 210                 ret = handle_notification(pretty, notifs[i]);
 211                 if (ret) {
 212                         goto end;
 213                 }
 214
 215                 bt_put(notifs[i]);
 216         }
 217
 218 end:
 219         for (; i < count; i++) {
 220                 bt_put(notifs[i]);
 221         }
 222
 223         return ret;
 224 }
 225
 226 static
 227 enum bt_component_status add_params_to_map(struct bt_value *plugin_opt_map)
 228 {
 229         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 230         unsigned int i;
 231
 232         for (i = 0; i < BT_ARRAY_SIZE(plugin_options); i++) {
 233                 const char *key = plugin_options[i];
 234                 enum bt_value_status status;
 235
 236                 status = bt_value_map_insert(plugin_opt_map, key, bt_value_null);
 237                 switch (status) {
 238                 case BT_VALUE_STATUS_OK:
 239                         break;
 240                 default:
 241                         ret = BT_COMPONENT_STATUS_ERROR;
 242                         goto end;
 243                 }
 244         }
 245 end:
 246         return ret;
 247 }
 248
 249 static
 250 bt_bool check_param_exists(const char *key, struct bt_value *object, void *data)
 251 {
 252         struct pretty_component *pretty = data;
 253         struct bt_value *plugin_opt_map = pretty->plugin_opt_map;
 254
 255         if (!bt_value_map_has_key(plugin_opt_map, key)) {
 256                 fprintf(pretty->err,
 257                         "[warning] Parameter \"%s\" unknown to \"text.pretty\" sink component\n", key);
 258         }
 259         return BT_TRUE;
 260 }
 261
 262 static
 263 enum bt_component_status apply_one_string(const char *key,
 264                 struct bt_value *params,
 265                 char **option)
 266 {
 267         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 268         struct bt_value *value = NULL;
 269         enum bt_value_status status;
 270         const char *str;
 271
 272         value = bt_value_map_borrow(params, key);
 273         if (!value) {
 274                 goto end;
 275         }
 276         if (bt_value_is_null(value)) {
 277                 goto end;
 278         }
 279         status = bt_value_string_get(value, &str);
 280         switch (status) {
 281         case BT_VALUE_STATUS_OK:
 282                 break;
 283         default:
 284                 ret = BT_COMPONENT_STATUS_ERROR;
 285                 goto end;
 286         }
 287         *option = g_strdup(str);
 288 end:
 289         return ret;
 290 }
 291
 292 static
 293 enum bt_component_status apply_one_bool(const char *key,
 294                 struct bt_value *params,
 295                 bool *option,
 296                 bool *found)
 297 {
 298         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 299         struct bt_value *value = NULL;
 300         enum bt_value_status status;
 301         bt_bool bool_val;
 302
 303         value = bt_value_map_borrow(params, key);
 304         if (!value) {
 305                 goto end;
 306         }
 307         status = bt_value_bool_get(value, &bool_val);
 308         switch (status) {
 309         case BT_VALUE_STATUS_OK:
 310                 break;
 311         default:
 312                 ret = BT_COMPONENT_STATUS_ERROR;
 313                 goto end;
 314         }
 315         *option = (bool) bool_val;
 316         if (found) {
 317                 *found = true;
 318         }
 319
 320 end:
 321         return ret;
 322 }
 323
 324 static
 325 void warn_wrong_color_param(struct pretty_component *pretty)
 326 {
 327         fprintf(pretty->err,
 328                 "[warning] Accepted values for the \"color\" parameter are:\n    \"always\", \"auto\", \"never\"\n");
 329 }
 330
 331 static
 332 enum bt_component_status open_output_file(struct pretty_component *pretty)
 333 {
 334         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 335
 336         if (!pretty->options.output_path) {
 337                 goto end;
 338         }
 339
 340         pretty->out = fopen(pretty->options.output_path, "w");
 341         if (!pretty->out) {
 342                 goto error;
 343         }
 344
 345         goto end;
 346
 347 error:
 348         ret = BT_COMPONENT_STATUS_ERROR;
 349 end:
 350         return ret;
 351 }
 352
 353 static
 354 enum bt_component_status apply_params(struct pretty_component *pretty,
 355                 struct bt_value *params)
 356 {
 357         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 358         enum bt_value_status status;
 359         bool value, found;
 360         char *str = NULL;
 361
 362         pretty->plugin_opt_map = bt_value_map_create();
 363         if (!pretty->plugin_opt_map) {
 364                 ret = BT_COMPONENT_STATUS_ERROR;
 365                 goto end;
 366         }
 367         ret = add_params_to_map(pretty->plugin_opt_map);
 368         if (ret != BT_COMPONENT_STATUS_OK) {
 369                 goto end;
 370         }
 371         /* Report unknown parameters. */
 372         status = bt_value_map_foreach(params, check_param_exists, pretty);
 373         switch (status) {
 374         case BT_VALUE_STATUS_OK:
 375                 break;
 376         default:
 377                 ret = BT_COMPONENT_STATUS_ERROR;
 378                 goto end;
 379         }
 380         /* Known parameters. */
 381         pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 382         if (bt_value_map_has_key(params, "color")) {
 383                 struct bt_value *color_value;
 384                 const char *color;
 385
 386                 color_value = bt_value_map_borrow(params, "color");
 387                 if (!color_value) {
 388                         goto end;
 389                 }
 390
 391                 status = bt_value_string_get(color_value, &color);
 392                 if (status) {
 393                         warn_wrong_color_param(pretty);
 394                 } else {
 395                         if (strcmp(color, "never") == 0) {
 396                                 pretty->options.color = PRETTY_COLOR_OPT_NEVER;
 397                         } else if (strcmp(color, "auto") == 0) {
 398                                 pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 399                         } else if (strcmp(color, "always") == 0) {
 400                                 pretty->options.color = PRETTY_COLOR_OPT_ALWAYS;
 401                         } else {
 402                                 warn_wrong_color_param(pretty);
 403                         }
 404                 }
 405         }
 406
 407         ret = apply_one_string("path", params, &pretty->options.output_path);
 408         if (ret != BT_COMPONENT_STATUS_OK) {
 409                 goto end;
 410         }
 411         ret = open_output_file(pretty);
 412         if (ret != BT_COMPONENT_STATUS_OK) {
 413                 goto end;
 414         }
 415
 416         value = false;          /* Default. */
 417         ret = apply_one_bool("no-delta", params, &value, NULL);
 418         if (ret != BT_COMPONENT_STATUS_OK) {
 419                 goto end;
 420         }
 421         pretty->options.print_delta_field = !value;     /* Reverse logic. */
 422
 423         value = false;          /* Default. */
 424         ret = apply_one_bool("clock-cycles", params, &value, NULL);
 425         if (ret != BT_COMPONENT_STATUS_OK) {
 426                 goto end;
 427         }
 428         pretty->options.print_timestamp_cycles = value;
 429
 430         value = false;          /* Default. */
 431         ret = apply_one_bool("clock-seconds", params, &value, NULL);
 432         if (ret != BT_COMPONENT_STATUS_OK) {
 433                 goto end;
 434         }
 435         pretty->options.clock_seconds = value;
 436
 437         value = false;          /* Default. */
 438         ret = apply_one_bool("clock-date", params, &value, NULL);
 439         if (ret != BT_COMPONENT_STATUS_OK) {
 440                 goto end;
 441         }
 442         pretty->options.clock_date = value;
 443
 444         value = false;          /* Default. */
 445         ret = apply_one_bool("clock-gmt", params, &value, NULL);
 446         if (ret != BT_COMPONENT_STATUS_OK) {
 447                 goto end;
 448         }
 449         pretty->options.clock_gmt = value;
 450
 451         value = false;          /* Default. */
 452         ret = apply_one_bool("verbose", params, &value, NULL);
 453         if (ret != BT_COMPONENT_STATUS_OK) {
 454                 goto end;
 455         }
 456         pretty->options.verbose = value;
 457
 458         /* Names. */
 459         ret = apply_one_string("name-default", params, &str);
 460         if (ret != BT_COMPONENT_STATUS_OK) {
 461                 goto end;
 462         }
 463         if (!str) {
 464                 pretty->options.name_default = PRETTY_DEFAULT_UNSET;
 465         } else if (!strcmp(str, "show")) {
 466                 pretty->options.name_default = PRETTY_DEFAULT_SHOW;
 467         } else if (!strcmp(str, "hide")) {
 468                 pretty->options.name_default = PRETTY_DEFAULT_HIDE;
 469         } else {
 470                 ret = BT_COMPONENT_STATUS_ERROR;
 471                 goto end;
 472         }
 473         g_free(str);
 474         str = NULL;
 475
 476         switch (pretty->options.name_default) {
 477         case PRETTY_DEFAULT_UNSET:
 478                 pretty->options.print_payload_field_names = true;
 479                 pretty->options.print_context_field_names = true;
 480                 pretty->options.print_header_field_names = false;
 481                 pretty->options.print_scope_field_names = false;
 482                 break;
 483         case PRETTY_DEFAULT_SHOW:
 484                 pretty->options.print_payload_field_names = true;
 485                 pretty->options.print_context_field_names = true;
 486                 pretty->options.print_header_field_names = true;
 487                 pretty->options.print_scope_field_names = true;
 488                 break;
 489         case PRETTY_DEFAULT_HIDE:
 490                 pretty->options.print_payload_field_names = false;
 491                 pretty->options.print_context_field_names = false;
 492                 pretty->options.print_header_field_names = false;
 493                 pretty->options.print_scope_field_names = false;
 494                 break;
 495         default:
 496                 ret = BT_COMPONENT_STATUS_ERROR;
 497                 goto end;
 498         }
 499
 500         value = false;
 501         found = false;
 502         ret = apply_one_bool("name-payload", params, &value, &found);
 503         if (ret != BT_COMPONENT_STATUS_OK) {
 504                 goto end;
 505         }
 506         if (found) {
 507                 pretty->options.print_payload_field_names = value;
 508         }
 509
 510         value = false;
 511         found = false;
 512         ret = apply_one_bool("name-context", params, &value, &found);
 513         if (ret != BT_COMPONENT_STATUS_OK) {
 514                 goto end;
 515         }
 516         if (found) {
 517                 pretty->options.print_context_field_names = value;
 518         }
 519
 520         value = false;
 521         found = false;
 522         ret = apply_one_bool("name-header", params, &value, &found);
 523         if (ret != BT_COMPONENT_STATUS_OK) {
 524                 goto end;
 525         }
 526         if (found) {
 527                 pretty->options.print_header_field_names = value;
 528         }
 529
 530         value = false;
 531         found = false;
 532         ret = apply_one_bool("name-scope", params, &value, &found);
 533         if (ret != BT_COMPONENT_STATUS_OK) {
 534                 goto end;
 535         }
 536         if (found) {
 537                 pretty->options.print_scope_field_names = value;
 538         }
 539
 540         /* Fields. */
 541         ret = apply_one_string("field-default", params, &str);
 542         if (ret != BT_COMPONENT_STATUS_OK) {
 543                 goto end;
 544         }
 545         if (!str) {
 546                 pretty->options.field_default = PRETTY_DEFAULT_UNSET;
 547         } else if (!strcmp(str, "show")) {
 548                 pretty->options.field_default = PRETTY_DEFAULT_SHOW;
 549         } else if (!strcmp(str, "hide")) {
 550                 pretty->options.field_default = PRETTY_DEFAULT_HIDE;
 551         } else {
 552                 ret = BT_COMPONENT_STATUS_ERROR;
 553                 goto end;
 554         }
 555         g_free(str);
 556         str = NULL;
 557
 558         switch (pretty->options.field_default) {
 559         case PRETTY_DEFAULT_UNSET:
 560                 pretty->options.print_trace_field = false;
 561                 pretty->options.print_trace_hostname_field = true;
 562                 pretty->options.print_trace_domain_field = false;
 563                 pretty->options.print_trace_procname_field = true;
 564                 pretty->options.print_trace_vpid_field = true;
 565                 pretty->options.print_loglevel_field = false;
 566                 pretty->options.print_emf_field = false;
 567                 pretty->options.print_callsite_field = false;
 568                 break;
 569         case PRETTY_DEFAULT_SHOW:
 570                 pretty->options.print_trace_field = true;
 571                 pretty->options.print_trace_hostname_field = true;
 572                 pretty->options.print_trace_domain_field = true;
 573                 pretty->options.print_trace_procname_field = true;
 574                 pretty->options.print_trace_vpid_field = true;
 575                 pretty->options.print_loglevel_field = true;
 576                 pretty->options.print_emf_field = true;
 577                 pretty->options.print_callsite_field = true;
 578                 break;
 579         case PRETTY_DEFAULT_HIDE:
 580                 pretty->options.print_trace_field = false;
 581                 pretty->options.print_trace_hostname_field = false;
 582                 pretty->options.print_trace_domain_field = false;
 583                 pretty->options.print_trace_procname_field = false;
 584                 pretty->options.print_trace_vpid_field = false;
 585                 pretty->options.print_loglevel_field = false;
 586                 pretty->options.print_emf_field = false;
 587                 pretty->options.print_callsite_field = false;
 588                 break;
 589         default:
 590                 ret = BT_COMPONENT_STATUS_ERROR;
 591                 goto end;
 592         }
 593
 594         value = false;
 595         found = false;
 596         ret = apply_one_bool("field-trace", params, &value, &found);
 597         if (ret != BT_COMPONENT_STATUS_OK) {
 598                 goto end;
 599         }
 600         if (found) {
 601                 pretty->options.print_trace_field = value;
 602         }
 603
 604         value = false;
 605         found = false;
 606         ret = apply_one_bool("field-trace:hostname", params, &value, &found);
 607         if (ret != BT_COMPONENT_STATUS_OK) {
 608                 goto end;
 609         }
 610         if (found) {
 611                 pretty->options.print_trace_hostname_field = value;
 612         }
 613
 614         value = false;
 615         found = false;
 616         ret = apply_one_bool("field-trace:domain", params, &value, &found);
 617         if (ret != BT_COMPONENT_STATUS_OK) {
 618                 goto end;
 619         }
 620         if (found) {
 621                 pretty->options.print_trace_domain_field = value;
 622         }
 623
 624         value = false;
 625         found = false;
 626         ret = apply_one_bool("field-trace:procname", params, &value, &found);
 627         if (ret != BT_COMPONENT_STATUS_OK) {
 628                 goto end;
 629         }
 630         if (found) {
 631                 pretty->options.print_trace_procname_field = value;
 632         }
 633
 634         value = false;
 635         found = false;
 636         ret = apply_one_bool("field-trace:vpid", params, &value, &found);
 637         if (ret != BT_COMPONENT_STATUS_OK) {
 638                 goto end;
 639         }
 640         if (found) {
 641                 pretty->options.print_trace_vpid_field = value;
 642         }
 643
 644         value = false;
 645         found = false;
 646         ret = apply_one_bool("field-loglevel", params, &value, &found);
 647         if (ret != BT_COMPONENT_STATUS_OK) {
 648                 goto end;
 649         }
 650         if (found) {
 651                 pretty->options.print_loglevel_field = value;
 652         }
 653
 654         value = false;
 655         found = false;
 656         ret = apply_one_bool("field-emf", params, &value, &found);
 657         if (ret != BT_COMPONENT_STATUS_OK) {
 658                 goto end;
 659         }
 660         if (found) {
 661                 pretty->options.print_emf_field = value;
 662         }
 663
 664         value = false;
 665         found = false;
 666         ret = apply_one_bool("field-callsite", params, &value, &found);
 667         if (ret != BT_COMPONENT_STATUS_OK) {
 668                 goto end;
 669         }
 670         if (found) {
 671                 pretty->options.print_callsite_field = value;
 672         }
 673
 674 end:
 675         bt_put(pretty->plugin_opt_map);
 676         pretty->plugin_opt_map = NULL;
 677         g_free(str);
 678         return ret;
 679 }
 680
 681 static
 682 void set_use_colors(struct pretty_component *pretty)
 683 {
 684         switch (pretty->options.color) {
 685         case PRETTY_COLOR_OPT_ALWAYS:
 686                 pretty->use_colors = true;
 687                 break;
 688         case PRETTY_COLOR_OPT_AUTO:
 689                 pretty->use_colors = pretty->out == stdout &&
 690                         bt_common_colors_supported();
 691                 break;
 692         case PRETTY_COLOR_OPT_NEVER:
 693                 pretty->use_colors = false;
 694                 break;
 695         }
 696 }
 697
 698 static
 699 void init_stream_packet_context_quarks(void)
 700 {
 701         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 702                 g_quark_from_string("timestamp_begin");
 703         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 704                 g_quark_from_string("timestamp_begin");
 705         stream_packet_context_quarks[Q_TIMESTAMP_END] =
 706                 g_quark_from_string("timestamp_end");
 707         stream_packet_context_quarks[Q_EVENTS_DISCARDED] =
 708                 g_quark_from_string("events_discarded");
 709         stream_packet_context_quarks[Q_CONTENT_SIZE] =
 710                 g_quark_from_string("content_size");
 711         stream_packet_context_quarks[Q_PACKET_SIZE] =
 712                 g_quark_from_string("packet_size");
 713         stream_packet_context_quarks[Q_PACKET_SEQ_NUM] =
 714                 g_quark_from_string("packet_seq_num");
 715 }
 716
 717 BT_HIDDEN
 718 enum bt_component_status pretty_init(
 719                 struct bt_private_component *component,
 720                 struct bt_value *params,
 721                 UNUSED_VAR void *init_method_data)
 722 {
 723         enum bt_component_status ret;
 724         struct pretty_component *pretty = create_pretty();
 725
 726         if (!pretty) {
 727                 ret = BT_COMPONENT_STATUS_NOMEM;
 728                 goto end;
 729         }
 730
 731         ret = bt_private_component_sink_add_input_private_port(component,
 732                 "in", NULL, NULL);
 733         if (ret != BT_COMPONENT_STATUS_OK) {
 734                 goto end;
 735         }
 736
 737         pretty->out = stdout;
 738         pretty->err = stderr;
 739
 740         pretty->delta_cycles = -1ULL;
 741         pretty->last_cycles_timestamp = -1ULL;
 742
 743         pretty->delta_real_timestamp = -1ULL;
 744         pretty->last_real_timestamp = -1ULL;
 745
 746         ret = apply_params(pretty, params);
 747         if (ret != BT_COMPONENT_STATUS_OK) {
 748                 goto error;
 749         }
 750
 751         set_use_colors(pretty);
 752         ret = bt_private_component_set_user_data(component, pretty);
 753         if (ret != BT_COMPONENT_STATUS_OK) {
 754                 goto error;
 755         }
 756
 757         init_stream_packet_context_quarks();
 758
 759 end:
 760         return ret;
 761 error:
 762         destroy_pretty_data(pretty);
 763         return ret;
 764 }