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