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