plugins/text/pretty/print.c

   1 /*
   2  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  * Copyright 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  *
   5  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include <babeltrace/babeltrace.h>
  27 #include <babeltrace/bitfield-internal.h>
  28 #include <babeltrace/common-internal.h>
  29 #include <babeltrace/compat/time-internal.h>
  30 #include <babeltrace/assert-internal.h>
  31 #include <inttypes.h>
  32 #include <ctype.h>
  33 #include "pretty.h"
  34
  35 #define NSEC_PER_SEC 1000000000LL
  36
  37 #define COLOR_NAME              BT_COMMON_COLOR_BOLD
  38 #define COLOR_FIELD_NAME        BT_COMMON_COLOR_FG_CYAN
  39 #define COLOR_RST               BT_COMMON_COLOR_RESET
  40 #define COLOR_STRING_VALUE      BT_COMMON_COLOR_BOLD
  41 #define COLOR_NUMBER_VALUE      BT_COMMON_COLOR_BOLD
  42 #define COLOR_ENUM_MAPPING_NAME BT_COMMON_COLOR_BOLD
  43 #define COLOR_UNKNOWN           BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_RED
  44 #define COLOR_EVENT_NAME        BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_MAGENTA
  45 #define COLOR_TIMESTAMP         BT_COMMON_COLOR_BOLD BT_COMMON_COLOR_FG_YELLOW
  46
  47 struct timestamp {
  48         int64_t real_timestamp; /* Relative to UNIX epoch. */
  49         uint64_t clock_value;   /* In cycles. */
  50 };
  51
  52 static
  53 int print_field(struct pretty_component *pretty,
  54                 const struct bt_field *field, bool print_names,
  55                 GQuark *filters_fields, int filter_array_len);
  56
  57 static
  58 void print_name_equal(struct pretty_component *pretty, const char *name)
  59 {
  60         if (pretty->use_colors) {
  61                 g_string_append_printf(pretty->string, "%s%s%s = ", COLOR_NAME,
  62                         name, COLOR_RST);
  63         } else {
  64                 g_string_append_printf(pretty->string, "%s = ", name);
  65         }
  66 }
  67
  68 static
  69 void print_field_name_equal(struct pretty_component *pretty, const char *name)
  70 {
  71         if (pretty->use_colors) {
  72                 g_string_append_printf(pretty->string, "%s%s%s = ",
  73                         COLOR_FIELD_NAME, name, COLOR_RST);
  74         } else {
  75                 g_string_append_printf(pretty->string, "%s = ", name);
  76         }
  77 }
  78
  79 static
  80 void print_timestamp_cycles(struct pretty_component *pretty,
  81                 const struct bt_event *event)
  82 {
  83         const struct bt_clock_value *clock_value;
  84         uint64_t cycles;
  85         enum bt_clock_value_status cv_status;
  86
  87         cv_status = bt_event_borrow_default_clock_value_const(event, &clock_value);
  88         if (cv_status != BT_CLOCK_VALUE_STATUS_KNOWN || !clock_value) {
  89                 g_string_append(pretty->string, "????????????????????");
  90                 return;
  91         }
  92
  93         cycles = bt_clock_value_get_value(clock_value);
  94         g_string_append_printf(pretty->string, "%020" PRIu64, cycles);
  95
  96         if (pretty->last_cycles_timestamp != -1ULL) {
  97                 pretty->delta_cycles = cycles - pretty->last_cycles_timestamp;
  98         }
  99         pretty->last_cycles_timestamp = cycles;
 100 }
 101
 102 static
 103 void print_timestamp_wall(struct pretty_component *pretty,
 104                 const struct bt_clock_value *clock_value)
 105 {
 106         int ret;
 107         int64_t ts_nsec = 0;    /* add configurable offset */
 108         int64_t ts_sec = 0;     /* add configurable offset */
 109         uint64_t ts_sec_abs, ts_nsec_abs;
 110         bool is_negative;
 111
 112         if (!clock_value) {
 113                 g_string_append(pretty->string, "??:??:??.?????????");
 114                 return;
 115         }
 116
 117         ret = bt_clock_value_get_ns_from_origin(clock_value, &ts_nsec);
 118         if (ret) {
 119                 // TODO: log, this is unexpected
 120                 g_string_append(pretty->string, "Error");
 121                 return;
 122         }
 123
 124         if (pretty->last_real_timestamp != -1ULL) {
 125                 pretty->delta_real_timestamp = ts_nsec - pretty->last_real_timestamp;
 126         }
 127
 128         pretty->last_real_timestamp = ts_nsec;
 129         ts_sec += ts_nsec / NSEC_PER_SEC;
 130         ts_nsec = ts_nsec % NSEC_PER_SEC;
 131
 132         if (ts_sec >= 0 && ts_nsec >= 0) {
 133                 is_negative = false;
 134                 ts_sec_abs = ts_sec;
 135                 ts_nsec_abs = ts_nsec;
 136         } else if (ts_sec > 0 && ts_nsec < 0) {
 137                 is_negative = false;
 138                 ts_sec_abs = ts_sec - 1;
 139                 ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
 140         } else if (ts_sec == 0 && ts_nsec < 0) {
 141                 is_negative = true;
 142                 ts_sec_abs = ts_sec;
 143                 ts_nsec_abs = -ts_nsec;
 144         } else if (ts_sec < 0 && ts_nsec > 0) {
 145                 is_negative = true;
 146                 ts_sec_abs = -(ts_sec + 1);
 147                 ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
 148         } else if (ts_sec < 0 && ts_nsec == 0) {
 149                 is_negative = true;
 150                 ts_sec_abs = -ts_sec;
 151                 ts_nsec_abs = ts_nsec;
 152         } else {        /* (ts_sec < 0 && ts_nsec < 0) */
 153                 is_negative = true;
 154                 ts_sec_abs = -ts_sec;
 155                 ts_nsec_abs = -ts_nsec;
 156         }
 157
 158         if (!pretty->options.clock_seconds) {
 159                 struct tm tm;
 160                 time_t time_s = (time_t) ts_sec_abs;
 161
 162                 if (is_negative && !pretty->negative_timestamp_warning_done) {
 163                         // TODO: log instead
 164                         fprintf(stderr, "[warning] Fallback to [sec.ns] to print negative time value. Use --clock-seconds.\n");
 165                         pretty->negative_timestamp_warning_done = true;
 166                         goto seconds;
 167                 }
 168
 169                 if (!pretty->options.clock_gmt) {
 170                         struct tm *res;
 171
 172                         res = bt_localtime_r(&time_s, &tm);
 173                         if (!res) {
 174                                 // TODO: log instead
 175                                 fprintf(stderr, "[warning] Unable to get localtime.\n");
 176                                 goto seconds;
 177                         }
 178                 } else {
 179                         struct tm *res;
 180
 181                         res = bt_gmtime_r(&time_s, &tm);
 182                         if (!res) {
 183                                 // TODO: log instead
 184                                 fprintf(stderr, "[warning] Unable to get gmtime.\n");
 185                                 goto seconds;
 186                         }
 187                 }
 188                 if (pretty->options.clock_date) {
 189                         char timestr[26];
 190                         size_t res;
 191
 192                         /* Print date and time */
 193                         res = strftime(timestr, sizeof(timestr),
 194                                         "%Y-%m-%d ", &tm);
 195                         if (!res) {
 196                                 // TODO: log instead
 197                                 fprintf(stderr, "[warning] Unable to print ascii time.\n");
 198                                 goto seconds;
 199                         }
 200
 201                         g_string_append(pretty->string, timestr);
 202                 }
 203
 204                 /* Print time in HH:MM:SS.ns */
 205                 g_string_append_printf(pretty->string,
 206                         "%02d:%02d:%02d.%09" PRIu64, tm.tm_hour, tm.tm_min,
 207                         tm.tm_sec, ts_nsec_abs);
 208                 goto end;
 209         }
 210 seconds:
 211         g_string_append_printf(pretty->string, "%s%" PRId64 ".%09" PRIu64,
 212                 is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
 213 end:
 214         return;
 215 }
 216
 217 static
 218 int print_event_timestamp(struct pretty_component *pretty,
 219                 const struct bt_event *event, bool *start_line)
 220 {
 221         bool print_names = pretty->options.print_header_field_names;
 222         int ret = 0;
 223         const struct bt_stream *stream = NULL;
 224         const struct bt_stream_class *stream_class = NULL;
 225         const struct bt_trace *trace = NULL;
 226         const struct bt_clock_value *clock_value = NULL;
 227         enum bt_clock_value_status cv_status;
 228
 229         stream = bt_event_borrow_stream_const(event);
 230         if (!stream) {
 231                 ret = -1;
 232                 goto end;
 233         }
 234
 235         stream_class = bt_stream_borrow_class_const(stream);
 236         if (!stream_class) {
 237                 ret = -1;
 238                 goto end;
 239         }
 240         trace = bt_stream_class_borrow_trace_const(stream_class);
 241         if (!trace) {
 242                 ret = -1;
 243                 goto end;
 244         }
 245
 246         cv_status = bt_event_borrow_default_clock_value_const(event,
 247                 &clock_value);
 248         if (cv_status != BT_CLOCK_VALUE_STATUS_KNOWN || !clock_value) {
 249                 /* No default clock value: skip the timestamp without an error */
 250                 goto end;
 251         }
 252
 253         if (print_names) {
 254                 print_name_equal(pretty, "timestamp");
 255         } else {
 256                 g_string_append(pretty->string, "[");
 257         }
 258         if (pretty->use_colors) {
 259                 g_string_append(pretty->string, COLOR_TIMESTAMP);
 260         }
 261         if (pretty->options.print_timestamp_cycles) {
 262                 print_timestamp_cycles(pretty, event);
 263         } else {
 264                 clock_value = NULL;
 265                 cv_status = bt_event_borrow_default_clock_value_const(event,
 266                         &clock_value);
 267                 print_timestamp_wall(pretty, clock_value);
 268         }
 269         if (pretty->use_colors) {
 270                 g_string_append(pretty->string, COLOR_RST);
 271         }
 272
 273         if (!print_names)
 274                 g_string_append(pretty->string, "] ");
 275
 276         if (pretty->options.print_delta_field) {
 277                 if (print_names) {
 278                         g_string_append(pretty->string, ", ");
 279                         print_name_equal(pretty, "delta");
 280                 } else {
 281                         g_string_append(pretty->string, "(");
 282                 }
 283                 if (pretty->options.print_timestamp_cycles) {
 284                         if (pretty->delta_cycles == -1ULL) {
 285                                 g_string_append(pretty->string,
 286                                         "+??????????\?\?) "); /* Not a trigraph. */
 287                         } else {
 288                                 g_string_append_printf(pretty->string,
 289                                         "+%012" PRIu64, pretty->delta_cycles);
 290                         }
 291                 } else {
 292                         if (pretty->delta_real_timestamp != -1ULL) {
 293                                 uint64_t delta_sec, delta_nsec, delta;
 294
 295                                 delta = pretty->delta_real_timestamp;
 296                                 delta_sec = delta / NSEC_PER_SEC;
 297                                 delta_nsec = delta % NSEC_PER_SEC;
 298                                 g_string_append_printf(pretty->string,
 299                                         "+%" PRIu64 ".%09" PRIu64,
 300                                         delta_sec, delta_nsec);
 301                         } else {
 302                                 g_string_append(pretty->string, "+?.?????????");
 303                         }
 304                 }
 305                 if (!print_names) {
 306                         g_string_append(pretty->string, ") ");
 307                 }
 308         }
 309         *start_line = !print_names;
 310
 311 end:
 312         return ret;
 313 }
 314
 315 static
 316 int print_event_header(struct pretty_component *pretty,
 317                 const struct bt_event *event)
 318 {
 319         bool print_names = pretty->options.print_header_field_names;
 320         int ret = 0;
 321         const struct bt_event_class *event_class = NULL;
 322         const struct bt_stream_class *stream_class = NULL;
 323         const struct bt_trace *trace_class = NULL;
 324         int dom_print = 0;
 325         enum bt_property_availability prop_avail;
 326
 327         event_class = bt_event_borrow_class_const(event);
 328         if (!event_class) {
 329                 ret = -1;
 330                 goto end;
 331         }
 332         stream_class = bt_event_class_borrow_stream_class_const(event_class);
 333         if (!stream_class) {
 334                 ret = -1;
 335                 goto end;
 336         }
 337         trace_class = bt_stream_class_borrow_trace_const(stream_class);
 338         if (!trace_class) {
 339                 ret = -1;
 340                 goto end;
 341         }
 342         ret = print_event_timestamp(pretty, event, &pretty->start_line);
 343         if (ret) {
 344                 goto end;
 345         }
 346         if (pretty->options.print_trace_field) {
 347                 const char *name;
 348
 349                 name = bt_trace_get_name(trace_class);
 350                 if (name) {
 351                         if (!pretty->start_line) {
 352                                 g_string_append(pretty->string, ", ");
 353                         }
 354                         if (print_names) {
 355                                 print_name_equal(pretty, "trace");
 356                         }
 357
 358                         g_string_append(pretty->string, name);
 359
 360                         if (!print_names) {
 361                                 g_string_append(pretty->string, " ");
 362                         }
 363                 }
 364         }
 365         if (pretty->options.print_trace_hostname_field) {
 366                 const struct bt_value *hostname_str;
 367
 368                 hostname_str = bt_trace_borrow_environment_entry_value_by_name_const(
 369                         trace_class, "hostname");
 370                 if (hostname_str) {
 371                         const char *str;
 372
 373                         if (!pretty->start_line) {
 374                                 g_string_append(pretty->string, ", ");
 375                         }
 376                         if (print_names) {
 377                                 print_name_equal(pretty, "trace:hostname");
 378                         }
 379                         str = bt_value_string_get(hostname_str);
 380                         g_string_append(pretty->string, str);
 381                         dom_print = 1;
 382                 }
 383         }
 384         if (pretty->options.print_trace_domain_field) {
 385                 const struct bt_value *domain_str;
 386
 387                 domain_str = bt_trace_borrow_environment_entry_value_by_name_const(
 388                         trace_class, "domain");
 389                 if (domain_str) {
 390                         const char *str;
 391
 392                         if (!pretty->start_line) {
 393                                 g_string_append(pretty->string, ", ");
 394                         }
 395                         if (print_names) {
 396                                 print_name_equal(pretty, "trace:domain");
 397                         } else if (dom_print) {
 398                                 g_string_append(pretty->string, ":");
 399                         }
 400                         str = bt_value_string_get(domain_str);
 401                         g_string_append(pretty->string, str);
 402                         dom_print = 1;
 403                 }
 404         }
 405         if (pretty->options.print_trace_procname_field) {
 406                 const struct bt_value *procname_str;
 407
 408                 procname_str = bt_trace_borrow_environment_entry_value_by_name_const(
 409                         trace_class, "procname");
 410                 if (procname_str) {
 411                         const char *str;
 412
 413                         if (!pretty->start_line) {
 414                                 g_string_append(pretty->string, ", ");
 415                         }
 416                         if (print_names) {
 417                                 print_name_equal(pretty, "trace:procname");
 418                         } else if (dom_print) {
 419                                 g_string_append(pretty->string, ":");
 420                         }
 421                         str = bt_value_string_get(procname_str);
 422                         g_string_append(pretty->string, str);
 423                         dom_print = 1;
 424                 }
 425         }
 426         if (pretty->options.print_trace_vpid_field) {
 427                 const struct bt_value *vpid_value;
 428
 429                 vpid_value = bt_trace_borrow_environment_entry_value_by_name_const(
 430                         trace_class, "vpid");
 431                 if (vpid_value) {
 432                         int64_t value;
 433
 434                         if (!pretty->start_line) {
 435                                 g_string_append(pretty->string, ", ");
 436                         }
 437                         if (print_names) {
 438                                 print_name_equal(pretty, "trace:vpid");
 439                         } else if (dom_print) {
 440                                 g_string_append(pretty->string, ":");
 441                         }
 442                         value = bt_value_integer_get(vpid_value);
 443                         g_string_append_printf(pretty->string,
 444                                 "(%" PRId64 ")", value);
 445                         dom_print = 1;
 446                 }
 447         }
 448         if (pretty->options.print_loglevel_field) {
 449                 static const char *log_level_names[] = {
 450                         [ BT_EVENT_CLASS_LOG_LEVEL_EMERGENCY ] = "TRACE_EMERG",
 451                         [ BT_EVENT_CLASS_LOG_LEVEL_ALERT ] = "TRACE_ALERT",
 452                         [ BT_EVENT_CLASS_LOG_LEVEL_CRITICAL ] = "TRACE_CRIT",
 453                         [ BT_EVENT_CLASS_LOG_LEVEL_ERROR ] = "TRACE_ERR",
 454                         [ BT_EVENT_CLASS_LOG_LEVEL_WARNING ] = "TRACE_WARNING",
 455                         [ BT_EVENT_CLASS_LOG_LEVEL_NOTICE ] = "TRACE_NOTICE",
 456                         [ BT_EVENT_CLASS_LOG_LEVEL_INFO ] = "TRACE_INFO",
 457                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM ] = "TRACE_DEBUG_SYSTEM",
 458                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM ] = "TRACE_DEBUG_PROGRAM",
 459                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS ] = "TRACE_DEBUG_PROCESS",
 460                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE ] = "TRACE_DEBUG_MODULE",
 461                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT ] = "TRACE_DEBUG_UNIT",
 462                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION ] = "TRACE_DEBUG_FUNCTION",
 463                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE ] = "TRACE_DEBUG_LINE",
 464                         [ BT_EVENT_CLASS_LOG_LEVEL_DEBUG ] = "TRACE_DEBUG",
 465                 };
 466                 enum bt_event_class_log_level log_level;
 467                 const char *log_level_str = NULL;
 468
 469                 prop_avail = bt_event_class_get_log_level(event_class,
 470                         &log_level);
 471                 if (prop_avail == BT_PROPERTY_AVAILABILITY_AVAILABLE) {
 472                         log_level_str = log_level_names[log_level];
 473                         BT_ASSERT(log_level_str);
 474
 475                         if (!pretty->start_line) {
 476                                 g_string_append(pretty->string, ", ");
 477                         }
 478                         if (print_names) {
 479                                 print_name_equal(pretty, "loglevel");
 480                         } else if (dom_print) {
 481                                 g_string_append(pretty->string, ":");
 482                         }
 483
 484                         g_string_append(pretty->string, log_level_str);
 485                         g_string_append_printf(
 486                                 pretty->string, " (%d)", (int) log_level);
 487                         dom_print = 1;
 488                 }
 489         }
 490         if (pretty->options.print_emf_field) {
 491                 const char *uri_str;
 492
 493                 uri_str = bt_event_class_get_emf_uri(event_class);
 494                 if (uri_str) {
 495                         if (!pretty->start_line) {
 496                                 g_string_append(pretty->string, ", ");
 497                         }
 498                         if (print_names) {
 499                                 print_name_equal(pretty, "model.emf.uri");
 500                         } else if (dom_print) {
 501                                 g_string_append(pretty->string, ":");
 502                         }
 503
 504                         g_string_append(pretty->string, uri_str);
 505                         dom_print = 1;
 506                 }
 507         }
 508         if (dom_print && !print_names) {
 509                 g_string_append(pretty->string, " ");
 510         }
 511         if (!pretty->start_line) {
 512                 g_string_append(pretty->string, ", ");
 513         }
 514         pretty->start_line = true;
 515         if (print_names) {
 516                 print_name_equal(pretty, "name");
 517         }
 518         if (pretty->use_colors) {
 519                 g_string_append(pretty->string, COLOR_EVENT_NAME);
 520         }
 521         g_string_append(pretty->string, bt_event_class_get_name(event_class));
 522         if (pretty->use_colors) {
 523                 g_string_append(pretty->string, COLOR_RST);
 524         }
 525         if (!print_names) {
 526                 g_string_append(pretty->string, ": ");
 527         } else {
 528                 g_string_append(pretty->string, ", ");
 529         }
 530
 531 end:
 532         return ret;
 533 }
 534
 535 static
 536 int print_integer(struct pretty_component *pretty,
 537                 const struct bt_field *field)
 538 {
 539         int ret = 0;
 540         enum bt_field_class_integer_preferred_display_base base;
 541         const struct bt_field_class *int_fc;
 542         union {
 543                 uint64_t u;
 544                 int64_t s;
 545         } v;
 546         bool rst_color = false;
 547         enum bt_field_class_type ft_type;
 548
 549         int_fc = bt_field_borrow_class_const(field);
 550         BT_ASSERT(int_fc);
 551         ft_type = bt_field_get_class_type(field);
 552         if (ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER ||
 553                         ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION) {
 554                 v.u = bt_field_unsigned_integer_get_value(field);
 555         } else {
 556                 v.s = bt_field_signed_integer_get_value(field);
 557         }
 558
 559         if (pretty->use_colors) {
 560                 g_string_append(pretty->string, COLOR_NUMBER_VALUE);
 561                 rst_color = true;
 562         }
 563
 564         base = bt_field_class_integer_get_preferred_display_base(int_fc);
 565         switch (base) {
 566         case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY:
 567         {
 568                 int bitnr, len;
 569
 570                 len = bt_field_class_integer_get_field_value_range(int_fc);
 571                 g_string_append(pretty->string, "0b");
 572                 v.u = _bt_piecewise_lshift(v.u, 64 - len);
 573                 for (bitnr = 0; bitnr < len; bitnr++) {
 574                         g_string_append_printf(pretty->string, "%u", (v.u & (1ULL << 63)) ? 1 : 0);
 575                         v.u = _bt_piecewise_lshift(v.u, 1);
 576                 }
 577                 break;
 578         }
 579         case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL:
 580         {
 581                 if (ft_type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER ||
 582                                 ft_type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION) {
 583                         int len;
 584
 585                         len = bt_field_class_integer_get_field_value_range(
 586                                 int_fc);
 587                         if (len < 64) {
 588                                 size_t rounded_len;
 589
 590                                 BT_ASSERT(len != 0);
 591                                 /* Round length to the nearest 3-bit */
 592                                 rounded_len = (((len - 1) / 3) + 1) * 3;
 593                                 v.u &= ((uint64_t) 1 << rounded_len) - 1;
 594                         }
 595                 }
 596
 597                 g_string_append_printf(pretty->string, "0%" PRIo64, v.u);
 598                 break;
 599         }
 600         case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL:
 601                 if (ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER ||
 602                                 ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION) {
 603                         g_string_append_printf(pretty->string, "%" PRIu64, v.u);
 604                 } else {
 605                         g_string_append_printf(pretty->string, "%" PRId64, v.s);
 606                 }
 607                 break;
 608         case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL:
 609         {
 610                 int len;
 611
 612                 len = bt_field_class_integer_get_field_value_range(int_fc);
 613                 if (len < 64) {
 614                         /* Round length to the nearest nibble */
 615                         uint8_t rounded_len = ((len + 3) & ~0x3);
 616
 617                         v.u &= ((uint64_t) 1 << rounded_len) - 1;
 618                 }
 619
 620                 g_string_append_printf(pretty->string, "0x%" PRIX64, v.u);
 621                 break;
 622         }
 623         default:
 624                 ret = -1;
 625                 goto end;
 626         }
 627 end:
 628         if (rst_color) {
 629                 g_string_append(pretty->string, COLOR_RST);
 630         }
 631         return ret;
 632 }
 633
 634 static
 635 void print_escape_string(struct pretty_component *pretty, const char *str)
 636 {
 637         int i;
 638
 639         g_string_append_c(pretty->string, '"');
 640
 641         for (i = 0; i < strlen(str); i++) {
 642                 /* Escape sequences not recognized by iscntrl(). */
 643                 switch (str[i]) {
 644                 case '\\':
 645                         g_string_append(pretty->string, "\\\\");
 646                         continue;
 647                 case '\'':
 648                         g_string_append(pretty->string, "\\\'");
 649                         continue;
 650                 case '\"':
 651                         g_string_append(pretty->string, "\\\"");
 652                         continue;
 653                 case '\?':
 654                         g_string_append(pretty->string, "\\\?");
 655                         continue;
 656                 }
 657
 658                 /* Standard characters. */
 659                 if (!iscntrl(str[i])) {
 660                         g_string_append_c(pretty->string, str[i]);
 661                         continue;
 662                 }
 663
 664                 switch (str[i]) {
 665                 case '\0':
 666                         g_string_append(pretty->string, "\\0");
 667                         break;
 668                 case '\a':
 669                         g_string_append(pretty->string, "\\a");
 670                         break;
 671                 case '\b':
 672                         g_string_append(pretty->string, "\\b");
 673                         break;
 674                 case '\e':
 675                         g_string_append(pretty->string, "\\e");
 676                         break;
 677                 case '\f':
 678                         g_string_append(pretty->string, "\\f");
 679                         break;
 680                 case '\n':
 681                         g_string_append(pretty->string, "\\n");
 682                         break;
 683                 case '\r':
 684                         g_string_append(pretty->string, "\\r");
 685                         break;
 686                 case '\t':
 687                         g_string_append(pretty->string, "\\t");
 688                         break;
 689                 case '\v':
 690                         g_string_append(pretty->string, "\\v");
 691                         break;
 692                 default:
 693                         /* Unhandled control-sequence, print as hex. */
 694                         g_string_append_printf(pretty->string, "\\x%02x", str[i]);
 695                         break;
 696                 }
 697         }
 698
 699         g_string_append_c(pretty->string, '"');
 700 }
 701
 702 static
 703 int print_enum(struct pretty_component *pretty,
 704                 const struct bt_field *field)
 705 {
 706         int ret = 0;
 707         const struct bt_field_class *enumeration_field_class = NULL;
 708         bt_field_class_enumeration_mapping_label_array label_array;
 709         uint64_t label_count;
 710         uint64_t i;
 711
 712         enumeration_field_class = bt_field_borrow_class_const(field);
 713         if (!enumeration_field_class) {
 714                 ret = -1;
 715                 goto end;
 716         }
 717
 718         switch (bt_field_get_class_type(field)) {
 719         case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
 720                 ret = bt_field_unsigned_enumeration_get_mapping_labels(field,
 721                         &label_array, &label_count);
 722                 break;
 723         case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
 724                 ret = bt_field_signed_enumeration_get_mapping_labels(field,
 725                         &label_array, &label_count);
 726                 break;
 727         default:
 728                 abort();
 729         }
 730
 731         if (ret) {
 732                 ret = -1;
 733                 goto end;
 734         }
 735
 736         g_string_append(pretty->string, "( ");
 737         if (label_count == 0) {
 738                 if (pretty->use_colors) {
 739                         g_string_append(pretty->string, COLOR_UNKNOWN);
 740                 }
 741                 g_string_append(pretty->string, "<unknown>");
 742                 if (pretty->use_colors) {
 743                         g_string_append(pretty->string, COLOR_RST);
 744                 }
 745                 goto skip_loop;
 746         }
 747         for (i = 0; i < label_count; i++) {
 748                 const char *mapping_name = label_array[i];
 749
 750                 if (i == 0) {
 751                         g_string_append(pretty->string, ", ");
 752                 }
 753                 if (pretty->use_colors) {
 754                         g_string_append(pretty->string, COLOR_ENUM_MAPPING_NAME);
 755                 }
 756                 print_escape_string(pretty, mapping_name);
 757                 if (pretty->use_colors) {
 758                         g_string_append(pretty->string, COLOR_RST);
 759                 }
 760         }
 761 skip_loop:
 762         g_string_append(pretty->string, " : container = ");
 763         ret = print_integer(pretty, field);
 764         if (ret != 0) {
 765                 goto end;
 766         }
 767         g_string_append(pretty->string, " )");
 768 end:
 769         return ret;
 770 }
 771
 772 static
 773 int filter_field_name(struct pretty_component *pretty, const char *field_name,
 774                 GQuark *filter_fields, int filter_array_len)
 775 {
 776         int i;
 777         GQuark field_quark = g_quark_try_string(field_name);
 778
 779         if (!field_quark || pretty->options.verbose) {
 780                 return 1;
 781         }
 782
 783         for (i = 0; i < filter_array_len; i++) {
 784                 if (field_quark == filter_fields[i]) {
 785                         return 0;
 786                 }
 787         }
 788         return 1;
 789 }
 790
 791 static
 792 int print_struct_field(struct pretty_component *pretty,
 793                 const struct bt_field *_struct,
 794                 const struct bt_field_class *struct_class,
 795                 uint64_t i, bool print_names, uint64_t *nr_printed_fields,
 796                 GQuark *filter_fields, int filter_array_len)
 797 {
 798         int ret = 0;
 799         const char *field_name;
 800         const struct bt_field *field = NULL;
 801         const struct bt_field_class *field_class = NULL;;
 802
 803         field = bt_field_structure_borrow_member_field_by_index_const(_struct, i);
 804         if (!field) {
 805                 ret = -1;
 806                 goto end;
 807         }
 808
 809         bt_field_class_structure_borrow_member_by_index_const(struct_class, i,
 810                 &field_name, &field_class);
 811
 812         if (filter_fields && !filter_field_name(pretty, field_name,
 813                                 filter_fields, filter_array_len)) {
 814                 ret = 0;
 815                 goto end;
 816         }
 817
 818         if (*nr_printed_fields > 0) {
 819                 g_string_append(pretty->string, ", ");
 820         } else {
 821                 g_string_append(pretty->string, " ");
 822         }
 823         if (print_names) {
 824                 print_field_name_equal(pretty, field_name);
 825         }
 826         ret = print_field(pretty, field, print_names, NULL, 0);
 827         *nr_printed_fields += 1;
 828
 829 end:
 830         return ret;
 831 }
 832
 833 static
 834 int print_struct(struct pretty_component *pretty,
 835                 const struct bt_field *_struct, bool print_names,
 836                 GQuark *filter_fields, int filter_array_len)
 837 {
 838         int ret = 0;
 839         const struct bt_field_class *struct_class = NULL;
 840         uint64_t nr_fields, i, nr_printed_fields;
 841
 842         struct_class = bt_field_borrow_class_const(_struct);
 843         if (!struct_class) {
 844                 ret = -1;
 845                 goto end;
 846         }
 847         nr_fields = bt_field_class_structure_get_member_count(struct_class);
 848         if (nr_fields < 0) {
 849                 ret = -1;
 850                 goto end;
 851         }
 852         g_string_append(pretty->string, "{");
 853         pretty->depth++;
 854         nr_printed_fields = 0;
 855         for (i = 0; i < nr_fields; i++) {
 856                 ret = print_struct_field(pretty, _struct, struct_class, i,
 857                                 print_names, &nr_printed_fields, filter_fields,
 858                                 filter_array_len);
 859                 if (ret != 0) {
 860                         goto end;
 861                 }
 862         }
 863         pretty->depth--;
 864         g_string_append(pretty->string, " }");
 865
 866 end:
 867         return ret;
 868 }
 869
 870 static
 871 int print_array_field(struct pretty_component *pretty,
 872                 const struct bt_field *array, uint64_t i, bool print_names)
 873 {
 874         const struct bt_field *field = NULL;
 875
 876         if (i != 0) {
 877                 g_string_append(pretty->string, ", ");
 878         } else {
 879                 g_string_append(pretty->string, " ");
 880         }
 881         if (print_names) {
 882                 g_string_append_printf(pretty->string, "[%" PRIu64 "] = ", i);
 883         }
 884
 885         field = bt_field_array_borrow_element_field_by_index_const(array, i);
 886         BT_ASSERT(field);
 887         return print_field(pretty, field, print_names, NULL, 0);
 888 }
 889
 890 static
 891 int print_array(struct pretty_component *pretty,
 892                 const struct bt_field *array, bool print_names)
 893 {
 894         int ret = 0;
 895         const struct bt_field_class *array_class = NULL;
 896         uint64_t len;
 897         uint64_t i;
 898
 899         array_class = bt_field_borrow_class_const(array);
 900         if (!array_class) {
 901                 ret = -1;
 902                 goto end;
 903         }
 904         len = bt_field_array_get_length(array);
 905         g_string_append(pretty->string, "[");
 906         pretty->depth++;
 907         for (i = 0; i < len; i++) {
 908                 ret = print_array_field(pretty, array, i, print_names);
 909                 if (ret != 0) {
 910                         goto end;
 911                 }
 912         }
 913         pretty->depth--;
 914         g_string_append(pretty->string, " ]");
 915
 916 end:
 917         return ret;
 918 }
 919
 920 static
 921 int print_sequence_field(struct pretty_component *pretty,
 922                 const struct bt_field *seq, uint64_t i, bool print_names)
 923 {
 924         const struct bt_field *field = NULL;
 925
 926         if (i != 0) {
 927                 g_string_append(pretty->string, ", ");
 928         } else {
 929                 g_string_append(pretty->string, " ");
 930         }
 931         if (print_names) {
 932                 g_string_append_printf(pretty->string, "[%" PRIu64 "] = ", i);
 933         }
 934
 935         field = bt_field_array_borrow_element_field_by_index_const(seq, i);
 936         BT_ASSERT(field);
 937         return print_field(pretty, field, print_names, NULL, 0);
 938 }
 939
 940 static
 941 int print_sequence(struct pretty_component *pretty,
 942                 const struct bt_field *seq, bool print_names)
 943 {
 944         int ret = 0;
 945         uint64_t len;
 946         uint64_t i;
 947
 948         len = bt_field_array_get_length(seq);
 949         if (len < 0) {
 950                 ret = -1;
 951                 goto end;
 952         }
 953
 954         g_string_append(pretty->string, "[");
 955
 956         pretty->depth++;
 957         for (i = 0; i < len; i++) {
 958                 ret = print_sequence_field(pretty, seq, i, print_names);
 959                 if (ret != 0) {
 960                         goto end;
 961                 }
 962         }
 963         pretty->depth--;
 964         g_string_append(pretty->string, " ]");
 965
 966 end:
 967         return ret;
 968 }
 969
 970 static
 971 int print_variant(struct pretty_component *pretty,
 972                 const struct bt_field *variant, bool print_names)
 973 {
 974         int ret = 0;
 975         const struct bt_field *field = NULL;
 976
 977         field = bt_field_variant_borrow_selected_option_field_const(variant);
 978         BT_ASSERT(field);
 979         g_string_append(pretty->string, "{ ");
 980         pretty->depth++;
 981         if (print_names) {
 982                 // TODO: find tag's name using field path
 983                 // print_field_name_equal(pretty, tag_choice);
 984         }
 985         ret = print_field(pretty, field, print_names, NULL, 0);
 986         if (ret != 0) {
 987                 goto end;
 988         }
 989         pretty->depth--;
 990         g_string_append(pretty->string, " }");
 991
 992 end:
 993         return ret;
 994 }
 995
 996 static
 997 int print_field(struct pretty_component *pretty,
 998                 const struct bt_field *field, bool print_names,
 999                 GQuark *filter_fields, int filter_array_len)
1000 {
1001         enum bt_field_class_type class_id;
1002
1003         class_id = bt_field_get_class_type(field);
1004         switch (class_id) {
1005         case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
1006         case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
1007                 return print_integer(pretty, field);
1008         case BT_FIELD_CLASS_TYPE_REAL:
1009         {
1010                 double v;
1011
1012                 v = bt_field_real_get_value(field);
1013                 if (pretty->use_colors) {
1014                         g_string_append(pretty->string, COLOR_NUMBER_VALUE);
1015                 }
1016                 g_string_append_printf(pretty->string, "%g", v);
1017                 if (pretty->use_colors) {
1018                         g_string_append(pretty->string, COLOR_RST);
1019                 }
1020                 return 0;
1021         }
1022         case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
1023         case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
1024                 return print_enum(pretty, field);
1025         case BT_FIELD_CLASS_TYPE_STRING:
1026         {
1027                 const char *str;
1028
1029                 str = bt_field_string_get_value(field);
1030                 if (!str) {
1031                         return -1;
1032                 }
1033
1034                 if (pretty->use_colors) {
1035                         g_string_append(pretty->string, COLOR_STRING_VALUE);
1036                 }
1037                 print_escape_string(pretty, str);
1038                 if (pretty->use_colors) {
1039                         g_string_append(pretty->string, COLOR_RST);
1040                 }
1041                 return 0;
1042         }
1043         case BT_FIELD_CLASS_TYPE_STRUCTURE:
1044                 return print_struct(pretty, field, print_names, filter_fields,
1045                                 filter_array_len);
1046         case BT_FIELD_CLASS_TYPE_VARIANT:
1047                 return print_variant(pretty, field, print_names);
1048         case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
1049                 return print_array(pretty, field, print_names);
1050         case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
1051                 return print_sequence(pretty, field, print_names);
1052         default:
1053                 // TODO: log instead
1054                 fprintf(pretty->err, "[error] Unknown type id: %d\n", (int) class_id);
1055                 return -1;
1056         }
1057 }
1058
1059 static
1060 int print_stream_packet_context(struct pretty_component *pretty,
1061                 const struct bt_event *event)
1062 {
1063         int ret = 0;
1064         const struct bt_packet *packet = NULL;
1065         const struct bt_field *main_field = NULL;
1066
1067         packet = bt_event_borrow_packet_const(event);
1068         if (!packet) {
1069                 ret = -1;
1070                 goto end;
1071         }
1072         main_field = bt_packet_borrow_context_field_const(packet);
1073         if (!main_field) {
1074                 goto end;
1075         }
1076         if (!pretty->start_line) {
1077                 g_string_append(pretty->string, ", ");
1078         }
1079         pretty->start_line = false;
1080         if (pretty->options.print_scope_field_names) {
1081                 print_name_equal(pretty, "stream.packet.context");
1082         }
1083         ret = print_field(pretty, main_field,
1084                         pretty->options.print_context_field_names,
1085                         stream_packet_context_quarks,
1086                         STREAM_PACKET_CONTEXT_QUARKS_LEN);
1087
1088 end:
1089         return ret;
1090 }
1091
1092 static
1093 int print_event_header_raw(struct pretty_component *pretty,
1094                 const struct bt_event *event)
1095 {
1096         int ret = 0;
1097         const struct bt_field *main_field = NULL;
1098
1099         main_field = bt_event_borrow_header_field_const(event);
1100         if (!main_field) {
1101                 goto end;
1102         }
1103         if (!pretty->start_line) {
1104                 g_string_append(pretty->string, ", ");
1105         }
1106         pretty->start_line = false;
1107         if (pretty->options.print_scope_field_names) {
1108                 print_name_equal(pretty, "stream.event.header");
1109         }
1110         ret = print_field(pretty, main_field,
1111                         pretty->options.print_header_field_names, NULL, 0);
1112
1113 end:
1114         return ret;
1115 }
1116
1117 static
1118 int print_stream_event_context(struct pretty_component *pretty,
1119                 const struct bt_event *event)
1120 {
1121         int ret = 0;
1122         const struct bt_field *main_field = NULL;
1123
1124         main_field = bt_event_borrow_common_context_field_const(event);
1125         if (!main_field) {
1126                 goto end;
1127         }
1128         if (!pretty->start_line) {
1129                 g_string_append(pretty->string, ", ");
1130         }
1131         pretty->start_line = false;
1132         if (pretty->options.print_scope_field_names) {
1133                 print_name_equal(pretty, "stream.event.context");
1134         }
1135         ret = print_field(pretty, main_field,
1136                         pretty->options.print_context_field_names, NULL, 0);
1137
1138 end:
1139         return ret;
1140 }
1141
1142 static
1143 int print_event_context(struct pretty_component *pretty,
1144                 const struct bt_event *event)
1145 {
1146         int ret = 0;
1147         const struct bt_field *main_field = NULL;
1148
1149         main_field = bt_event_borrow_specific_context_field_const(event);
1150         if (!main_field) {
1151                 goto end;
1152         }
1153         if (!pretty->start_line) {
1154                 g_string_append(pretty->string, ", ");
1155         }
1156         pretty->start_line = false;
1157         if (pretty->options.print_scope_field_names) {
1158                 print_name_equal(pretty, "event.context");
1159         }
1160         ret = print_field(pretty, main_field,
1161                         pretty->options.print_context_field_names, NULL, 0);
1162
1163 end:
1164         return ret;
1165 }
1166
1167 static
1168 int print_event_payload(struct pretty_component *pretty,
1169                 const struct bt_event *event)
1170 {
1171         int ret = 0;
1172         const struct bt_field *main_field = NULL;
1173
1174         main_field = bt_event_borrow_payload_field_const(event);
1175         if (!main_field) {
1176                 goto end;
1177         }
1178         if (!pretty->start_line) {
1179                 g_string_append(pretty->string, ", ");
1180         }
1181         pretty->start_line = false;
1182         if (pretty->options.print_scope_field_names) {
1183                 print_name_equal(pretty, "event.fields");
1184         }
1185         ret = print_field(pretty, main_field,
1186                         pretty->options.print_payload_field_names, NULL, 0);
1187
1188 end:
1189         return ret;
1190 }
1191
1192 static
1193 int flush_buf(FILE *stream, struct pretty_component *pretty)
1194 {
1195         int ret = 0;
1196
1197         if (pretty->string->len == 0) {
1198                 goto end;
1199         }
1200
1201         if (fwrite(pretty->string->str, pretty->string->len, 1, stream) != 1) {
1202                 ret = -1;
1203         }
1204
1205 end:
1206         return ret;
1207 }
1208
1209 BT_HIDDEN
1210 int pretty_print_event(struct pretty_component *pretty,
1211                 struct bt_notification *event_notif)
1212 {
1213         int ret;
1214         const struct bt_event *event =
1215                 bt_notification_event_borrow_event(event_notif);
1216
1217         BT_ASSERT(event);
1218         pretty->start_line = true;
1219         g_string_assign(pretty->string, "");
1220         ret = print_event_header(pretty, event);
1221         if (ret != 0) {
1222                 goto end;
1223         }
1224
1225         ret = print_stream_packet_context(pretty, event);
1226         if (ret != 0) {
1227                 goto end;
1228         }
1229
1230         if (pretty->options.verbose) {
1231                 ret = print_event_header_raw(pretty, event);
1232                 if (ret != 0) {
1233                         goto end;
1234                 }
1235         }
1236
1237         ret = print_stream_event_context(pretty, event);
1238         if (ret != 0) {
1239                 goto end;
1240         }
1241
1242         ret = print_event_context(pretty, event);
1243         if (ret != 0) {
1244                 goto end;
1245         }
1246
1247         ret = print_event_payload(pretty, event);
1248         if (ret != 0) {
1249                 goto end;
1250         }
1251
1252         g_string_append_c(pretty->string, '\n');
1253         if (flush_buf(pretty->out, pretty)) {
1254                 ret = -1;
1255                 goto end;
1256         }
1257
1258 end:
1259         return ret;
1260 }
1261
1262 static
1263 int print_discarded_elements_msg(
1264                 struct pretty_component *pretty, const struct bt_packet *packet,
1265                 uint64_t count, const char *elem_type)
1266 {
1267 #if 0
1268         int ret = 0;
1269         const struct bt_stream *stream = NULL;
1270         const struct bt_stream_class *stream_class = NULL;
1271         const struct bt_trace *trace = NULL;
1272         const char *stream_name;
1273         const char *trace_name;
1274         const unsigned char *trace_uuid;
1275         int64_t stream_class_id;
1276         int64_t stream_id;
1277         struct bt_clock_value *begin_clock_value = NULL;
1278         struct bt_clock_value *end_clock_value = NULL;
1279
1280         /* Stream name */
1281         BT_ASSERT(packet);
1282         stream = bt_packet_borrow_stream_const(packet);
1283         BT_ASSERT(stream);
1284         stream_name = bt_stream_get_name(stream);
1285
1286         /* Stream class ID */
1287         stream_class = bt_stream_borrow_class_const(stream);
1288         BT_ASSERT(stream_class);
1289         stream_class_id = bt_stream_class_get_id(stream_class);
1290
1291         /* Stream ID */
1292         stream_id = bt_stream_get_id(stream);
1293
1294         /* Trace name */
1295         trace = bt_stream_class_borrow_trace_const(stream_class);
1296         BT_ASSERT(trace);
1297         trace_name = bt_trace_get_name(trace);
1298         if (!trace_name) {
1299                 trace_name = "(unknown)";
1300         }
1301
1302         /* Trace UUID */
1303         trace_uuid = bt_trace_get_uuid(trace);
1304
1305         /* Beginning and end times */
1306         (void) bt_packet_borrow_previous_packet_default_end_clock_value_const(
1307                 packet, &begin_clock_value);
1308         (void) bt_packet_borrow_default_end_clock_value_const(packet,
1309                 &end_clock_value);
1310
1311         /* Format message */
1312         g_string_assign(pretty->string, "");
1313         g_string_append_printf(pretty->string,
1314                 "%s%sWARNING%s%s: Tracer discarded %" PRId64 " %s%s ",
1315                 bt_common_color_fg_yellow(),
1316                 bt_common_color_bold(),
1317                 bt_common_color_reset(),
1318                 bt_common_color_fg_yellow(),
1319                 count, elem_type, count == 1 ? "" : "s");
1320
1321         if (begin_clock_value && end_clock_value) {
1322                 g_string_append(pretty->string, "between [");
1323                 print_timestamp_wall(pretty, begin_clock_value);
1324                 g_string_append(pretty->string, "] and [");
1325                 print_timestamp_wall(pretty, end_clock_value);
1326                 g_string_append(pretty->string, "]");
1327         } else {
1328                 g_string_append(pretty->string, "(unknown time range)");
1329         }
1330
1331         g_string_append_printf(pretty->string, " in trace \"%s\" ", trace_name);
1332
1333         if (trace_uuid) {
1334                 g_string_append_printf(pretty->string,
1335                         "(UUID: %02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x) ",
1336                         trace_uuid[0],
1337                         trace_uuid[1],
1338                         trace_uuid[2],
1339                         trace_uuid[3],
1340                         trace_uuid[4],
1341                         trace_uuid[5],
1342                         trace_uuid[6],
1343                         trace_uuid[7],
1344                         trace_uuid[8],
1345                         trace_uuid[9],
1346                         trace_uuid[10],
1347                         trace_uuid[11],
1348                         trace_uuid[12],
1349                         trace_uuid[13],
1350                         trace_uuid[14],
1351                         trace_uuid[15]);
1352         } else {
1353                 g_string_append(pretty->string, "(no UUID) ");
1354         }
1355
1356         g_string_append_printf(pretty->string,
1357                 "within stream \"%s\" (stream class ID: %" PRId64 ", ",
1358                 stream_name, stream_class_id);
1359
1360         if (stream_id >= 0) {
1361                 g_string_append_printf(pretty->string,
1362                         "stream ID: %" PRId64, stream_id);
1363         } else {
1364                 g_string_append(pretty->string, "no stream ID");
1365         }
1366
1367         g_string_append_printf(pretty->string, ").%s\n",
1368                 bt_common_color_reset());
1369
1370         /*
1371          * Print to standard error stream to remain backward compatible
1372          * with Babeltrace 1.
1373          */
1374         if (flush_buf(stderr, pretty)) {
1375                 ret = -1;
1376         }
1377
1378         return ret;
1379 #endif
1380         return 0;
1381 }
1382
1383 BT_HIDDEN
1384 int pretty_print_packet(struct pretty_component *pretty,
1385                 struct bt_notification *packet_beginning_notif)
1386 {
1387 #if 0
1388         const struct bt_packet *packet = bt_notification_packet_begin_borrow_packet_const(
1389                 packet_beginning_notif);
1390         uint64_t count;
1391         int status = 0;
1392
1393         if (bt_packet_get_discarded_event_count(packet, &count) ==
1394                         BT_PACKET_PROPERTY_AVAILABILITY_AVAILABLE &&
1395                         count > 0) {
1396                 status = print_discarded_elements_msg(pretty, packet,
1397                         count, "event");
1398                 if (status != 0) {
1399                         goto end;
1400                 }
1401         }
1402
1403         if (bt_packet_get_discarded_packet_count(packet, &count) ==
1404                         BT_PACKET_PROPERTY_AVAILABILITY_AVAILABLE &&
1405                         count > 0) {
1406                 status = print_discarded_elements_msg(pretty, packet,
1407                         count, "packet");
1408                 if (status != 0) {
1409                         goto end;
1410                 }
1411         }
1412
1413 end:
1414         return status;
1415 #endif
1416         return 0;
1417 }