src/plugins/ctf/fs-sink/fs-sink-stream.cpp

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2019 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #define BT_COMP_LOG_SELF_COMP (stream->trace->fs_sink->self_comp)
   8 #define BT_LOG_OUTPUT_LEVEL   (stream->log_level)
   9 #define BT_LOG_TAG            "PLUGIN/SINK.CTF.FS/STREAM"
  10 #include "logging/comp-logging.h"
  11
  12 #include <babeltrace2/babeltrace.h>
  13 #include <stdio.h>
  14 #include <stdbool.h>
  15 #include <glib.h>
  16 #include "common/assert.h"
  17 #include "ctfser/ctfser.h"
  18 #include "compat/endian.h"
  19
  20 #include "fs-sink.hpp"
  21 #include "fs-sink-trace.hpp"
  22 #include "fs-sink-stream.hpp"
  23 #include "translate-trace-ir-to-ctf-ir.hpp"
  24
  25 void fs_sink_stream_destroy(struct fs_sink_stream *stream)
  26 {
  27     if (!stream) {
  28         goto end;
  29     }
  30
  31     bt_ctfser_fini(&stream->ctfser);
  32
  33     if (stream->file_name) {
  34         g_string_free(stream->file_name, TRUE);
  35         stream->file_name = NULL;
  36     }
  37
  38     bt_packet_put_ref(stream->packet_state.packet);
  39     g_free(stream);
  40
  41 end:
  42     return;
  43 }
  44
  45 static bool stream_file_name_exists(struct fs_sink_trace *trace, const char *name)
  46 {
  47     bool exists = false;
  48     GHashTableIter iter;
  49     gpointer key, value;
  50
  51     g_hash_table_iter_init(&iter, trace->streams);
  52
  53     while (g_hash_table_iter_next(&iter, &key, &value)) {
  54         struct fs_sink_stream *stream = (fs_sink_stream *) value;
  55
  56         if (strcmp(name, stream->file_name->str) == 0) {
  57             exists = true;
  58             goto end;
  59         }
  60     }
  61
  62 end:
  63     return exists;
  64 }
  65
  66 static GString *sanitize_stream_file_name(const char *file_name)
  67 {
  68     GString *san_file_name = g_string_new(NULL);
  69     const char *ch;
  70     gchar *basename;
  71
  72     BT_ASSERT(san_file_name);
  73     BT_ASSERT(file_name);
  74     basename = g_path_get_basename(file_name);
  75
  76     for (ch = basename; *ch != '\0'; ch++) {
  77         if (*ch == '/') {
  78             g_string_append_c(san_file_name, '_');
  79         } else {
  80             g_string_append_c(san_file_name, *ch);
  81         }
  82     }
  83
  84     /* Do not allow `.` and `..` either */
  85     if (strcmp(san_file_name->str, ".") == 0 || strcmp(san_file_name->str, "..") == 0) {
  86         g_string_assign(san_file_name, "stream");
  87     }
  88
  89     g_free(basename);
  90     return san_file_name;
  91 }
  92
  93 static GString *make_unique_stream_file_name(struct fs_sink_trace *trace, const char *base)
  94 {
  95     GString *san_base = sanitize_stream_file_name(base);
  96     GString *name = g_string_new(san_base->str);
  97     unsigned int suffix = 0;
  98
  99     BT_ASSERT(name);
 100
 101     while (stream_file_name_exists(trace, name->str) || strcmp(name->str, "metadata") == 0) {
 102         g_string_printf(name, "%s-%u", san_base->str, suffix);
 103         suffix++;
 104     }
 105
 106     g_string_free(san_base, TRUE);
 107     return name;
 108 }
 109
 110 static void set_stream_file_name(struct fs_sink_stream *stream)
 111 {
 112     const char *base_name = bt_stream_get_name(stream->ir_stream);
 113
 114     if (!base_name) {
 115         base_name = "stream";
 116     }
 117
 118     BT_ASSERT(!stream->file_name);
 119     stream->file_name = make_unique_stream_file_name(stream->trace, base_name);
 120 }
 121
 122 struct fs_sink_stream *fs_sink_stream_create(struct fs_sink_trace *trace,
 123                                              const bt_stream *ir_stream)
 124 {
 125     struct fs_sink_stream *stream = g_new0(struct fs_sink_stream, 1);
 126     int ret;
 127     GString *path = g_string_new(trace->path->str);
 128
 129     if (!stream) {
 130         goto end;
 131     }
 132
 133     stream->log_level = trace->log_level;
 134     stream->trace = trace;
 135     stream->ir_stream = ir_stream;
 136     stream->packet_state.beginning_cs = UINT64_C(-1);
 137     stream->packet_state.end_cs = UINT64_C(-1);
 138     stream->prev_packet_state.end_cs = UINT64_C(-1);
 139     stream->prev_packet_state.discarded_events_counter = UINT64_C(-1);
 140     stream->prev_packet_state.seq_num = UINT64_C(-1);
 141     ret = try_translate_stream_class_trace_ir_to_ctf_ir(
 142         trace->fs_sink, trace->trace, bt_stream_borrow_class_const(ir_stream), &stream->sc);
 143     if (ret) {
 144         goto error;
 145     }
 146
 147     set_stream_file_name(stream);
 148     g_string_append_printf(path, "/%s", stream->file_name->str);
 149     ret = bt_ctfser_init(&stream->ctfser, path->str, stream->log_level);
 150     if (ret) {
 151         goto error;
 152     }
 153
 154     g_hash_table_insert(trace->streams, (gpointer) ir_stream, stream);
 155     goto end;
 156
 157 error:
 158     fs_sink_stream_destroy(stream);
 159     stream = NULL;
 160
 161 end:
 162     if (path) {
 163         g_string_free(path, TRUE);
 164     }
 165
 166     return stream;
 167 }
 168
 169 static int write_field(struct fs_sink_stream *stream, struct fs_sink_ctf_field_class *fc,
 170                        const bt_field *field);
 171
 172 static inline int write_bool_field(struct fs_sink_stream *stream,
 173                                    struct fs_sink_ctf_field_class_bool *fc, const bt_field *field)
 174 {
 175     /*
 176      * CTF 1.8 has no boolean field class type, so this component
 177      * translates this boolean field to an 8-bit unsigned integer
 178      * field which has the value 0 (false) or 1 (true).
 179      */
 180     return bt_ctfser_write_unsigned_int(&stream->ctfser, bt_field_bool_get_value(field) ? 1 : 0,
 181                                         fc->base.base.alignment, fc->base.size, BYTE_ORDER);
 182 }
 183
 184 static inline int write_bit_array_field(struct fs_sink_stream *stream,
 185                                         struct fs_sink_ctf_field_class_bit_array *fc,
 186                                         const bt_field *field)
 187 {
 188     /*
 189      * CTF 1.8 has no bit array field class type, so this component
 190      * translates this bit array field to an unsigned integer field.
 191      */
 192     return bt_ctfser_write_unsigned_int(&stream->ctfser,
 193                                         bt_field_bit_array_get_value_as_integer(field),
 194                                         fc->base.alignment, fc->size, BYTE_ORDER);
 195 }
 196
 197 static inline int write_int_field(struct fs_sink_stream *stream,
 198                                   struct fs_sink_ctf_field_class_int *fc, const bt_field *field)
 199 {
 200     int ret;
 201
 202     if (fc->is_signed) {
 203         ret = bt_ctfser_write_signed_int(&stream->ctfser, bt_field_integer_signed_get_value(field),
 204                                          fc->base.base.alignment, fc->base.size, BYTE_ORDER);
 205     } else {
 206         ret = bt_ctfser_write_unsigned_int(&stream->ctfser,
 207                                            bt_field_integer_unsigned_get_value(field),
 208                                            fc->base.base.alignment, fc->base.size, BYTE_ORDER);
 209     }
 210
 211     return ret;
 212 }
 213
 214 static inline int write_float_field(struct fs_sink_stream *stream,
 215                                     struct fs_sink_ctf_field_class_float *fc, const bt_field *field)
 216 {
 217     int ret;
 218     double val;
 219
 220     if (fc->base.size == 32) {
 221         val = (double) bt_field_real_single_precision_get_value(field);
 222         ret = bt_ctfser_write_float32(&stream->ctfser, val, fc->base.base.alignment, BYTE_ORDER);
 223     } else {
 224         val = bt_field_real_double_precision_get_value(field);
 225         ret = bt_ctfser_write_float64(&stream->ctfser, val, fc->base.base.alignment, BYTE_ORDER);
 226     }
 227
 228     return ret;
 229 }
 230
 231 static inline int write_string_field(struct fs_sink_stream *stream,
 232                                      struct fs_sink_ctf_field_class_string *fc,
 233                                      const bt_field *field)
 234 {
 235     return bt_ctfser_write_string(&stream->ctfser, bt_field_string_get_value(field));
 236 }
 237
 238 static inline int write_array_base_field_elements(struct fs_sink_stream *stream,
 239                                                   struct fs_sink_ctf_field_class_array_base *fc,
 240                                                   const bt_field *field)
 241 {
 242     uint64_t i;
 243     uint64_t len = bt_field_array_get_length(field);
 244     int ret = 0;
 245
 246     for (i = 0; i < len; i++) {
 247         const bt_field *elem_field = bt_field_array_borrow_element_field_by_index_const(field, i);
 248         ret = write_field(stream, fc->elem_fc, elem_field);
 249         if (G_UNLIKELY(ret)) {
 250             goto end;
 251         }
 252     }
 253
 254 end:
 255     return ret;
 256 }
 257
 258 static inline int write_sequence_field(struct fs_sink_stream *stream,
 259                                        struct fs_sink_ctf_field_class_sequence *fc,
 260                                        const bt_field *field)
 261 {
 262     int ret;
 263
 264     if (fc->length_is_before) {
 265         ret = bt_ctfser_write_unsigned_int(&stream->ctfser, bt_field_array_get_length(field), 8, 32,
 266                                            BYTE_ORDER);
 267         if (G_UNLIKELY(ret)) {
 268             goto end;
 269         }
 270     }
 271
 272     ret = write_array_base_field_elements(stream, &fc->base, field);
 273
 274 end:
 275     return ret;
 276 }
 277
 278 static inline int write_struct_field(struct fs_sink_stream *stream,
 279                                      struct fs_sink_ctf_field_class_struct *fc,
 280                                      const bt_field *field, bool align_struct)
 281 {
 282     int ret = 0;
 283     uint64_t i;
 284
 285     if (G_LIKELY(align_struct)) {
 286         ret = bt_ctfser_align_offset_in_current_packet(&stream->ctfser, fc->base.alignment);
 287         if (G_UNLIKELY(ret)) {
 288             goto end;
 289         }
 290     }
 291
 292     for (i = 0; i < fc->members->len; i++) {
 293         const bt_field *memb_field =
 294             bt_field_structure_borrow_member_field_by_index_const(field, i);
 295         struct fs_sink_ctf_field_class *member_fc =
 296             fs_sink_ctf_field_class_struct_borrow_member_by_index(fc, i)->fc;
 297
 298         ret = write_field(stream, member_fc, memb_field);
 299         if (G_UNLIKELY(ret)) {
 300             goto end;
 301         }
 302     }
 303
 304 end:
 305     return ret;
 306 }
 307
 308 static inline int write_option_field(struct fs_sink_stream *stream,
 309                                      struct fs_sink_ctf_field_class_option *fc,
 310                                      const bt_field *field)
 311 {
 312     int ret;
 313     const bt_field *content_field = bt_field_option_borrow_field_const(field);
 314
 315     ret = bt_ctfser_write_unsigned_int(&stream->ctfser, content_field ? 1 : 0, 8, 8, BYTE_ORDER);
 316     if (G_UNLIKELY(ret)) {
 317         goto end;
 318     }
 319
 320     /*
 321      * CTF 1.8 has no option field class type, so this component
 322      * translates the option field class to a variant field class
 323      * where the options are:
 324      *
 325      * * An empty structure field class (field occupies 0 bits).
 326      * * The optional field class itself.
 327      *
 328      * If `content_field` is `NULL`, do not write anything (empty
 329      * structure).
 330      */
 331     if (content_field) {
 332         ret = write_field(stream, fc->content_fc, content_field);
 333     }
 334
 335 end:
 336     return ret;
 337 }
 338
 339 static inline int write_variant_field(struct fs_sink_stream *stream,
 340                                       struct fs_sink_ctf_field_class_variant *fc,
 341                                       const bt_field *field)
 342 {
 343     uint64_t opt_index = bt_field_variant_get_selected_option_index(field);
 344     int ret;
 345
 346     if (fc->tag_is_before) {
 347         ret = bt_ctfser_write_unsigned_int(&stream->ctfser, opt_index, 8, 16, BYTE_ORDER);
 348         if (G_UNLIKELY(ret)) {
 349             goto end;
 350         }
 351     }
 352
 353     ret = write_field(stream,
 354                       fs_sink_ctf_field_class_variant_borrow_option_by_index(fc, opt_index)->fc,
 355                       bt_field_variant_borrow_selected_option_field_const(field));
 356
 357 end:
 358     return ret;
 359 }
 360
 361 static int write_field(struct fs_sink_stream *stream, struct fs_sink_ctf_field_class *fc,
 362                        const bt_field *field)
 363 {
 364     int ret;
 365
 366     switch (fc->type) {
 367     case FS_SINK_CTF_FIELD_CLASS_TYPE_BOOL:
 368         ret = write_bool_field(stream, fs_sink_ctf_field_class_as_bool(fc), field);
 369         break;
 370     case FS_SINK_CTF_FIELD_CLASS_TYPE_BIT_ARRAY:
 371         ret = write_bit_array_field(stream, fs_sink_ctf_field_class_as_bit_array(fc), field);
 372         break;
 373     case FS_SINK_CTF_FIELD_CLASS_TYPE_INT:
 374         ret = write_int_field(stream, fs_sink_ctf_field_class_as_int(fc), field);
 375         break;
 376     case FS_SINK_CTF_FIELD_CLASS_TYPE_FLOAT:
 377         ret = write_float_field(stream, fs_sink_ctf_field_class_as_float(fc), field);
 378         break;
 379     case FS_SINK_CTF_FIELD_CLASS_TYPE_STRING:
 380         ret = write_string_field(stream, fs_sink_ctf_field_class_as_string(fc), field);
 381         break;
 382     case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT:
 383         ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(fc), field, true);
 384         break;
 385     case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY:
 386         ret = write_array_base_field_elements(stream, fs_sink_ctf_field_class_as_array_base(fc),
 387                                               field);
 388         break;
 389     case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE:
 390         ret = write_sequence_field(stream, fs_sink_ctf_field_class_as_sequence(fc), field);
 391         break;
 392     case FS_SINK_CTF_FIELD_CLASS_TYPE_OPTION:
 393         ret = write_option_field(stream, fs_sink_ctf_field_class_as_option(fc), field);
 394         break;
 395     case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT:
 396         ret = write_variant_field(stream, fs_sink_ctf_field_class_as_variant(fc), field);
 397         break;
 398     default:
 399         bt_common_abort();
 400     }
 401
 402     return ret;
 403 }
 404
 405 static inline int write_event_header(struct fs_sink_stream *stream, const bt_clock_snapshot *cs,
 406                                      struct fs_sink_ctf_event_class *ec)
 407 {
 408     int ret;
 409
 410     /* Event class ID */
 411     ret = bt_ctfser_write_byte_aligned_unsigned_int(
 412         &stream->ctfser, bt_event_class_get_id(ec->ir_ec), 8, 64, BYTE_ORDER);
 413     if (G_UNLIKELY(ret)) {
 414         goto end;
 415     }
 416
 417     /* Time */
 418     if (stream->sc->default_clock_class) {
 419         BT_ASSERT_DBG(cs);
 420         ret = bt_ctfser_write_byte_aligned_unsigned_int(
 421             &stream->ctfser, bt_clock_snapshot_get_value(cs), 8, 64, BYTE_ORDER);
 422         if (G_UNLIKELY(ret)) {
 423             goto end;
 424         }
 425     }
 426
 427 end:
 428     return ret;
 429 }
 430
 431 int fs_sink_stream_write_event(struct fs_sink_stream *stream, const bt_clock_snapshot *cs,
 432                                const bt_event *event, struct fs_sink_ctf_event_class *ec)
 433 {
 434     int ret;
 435     const bt_field *field;
 436
 437     /* Header */
 438     ret = write_event_header(stream, cs, ec);
 439     if (G_UNLIKELY(ret)) {
 440         goto end;
 441     }
 442
 443     /* Common context */
 444     if (stream->sc->event_common_context_fc) {
 445         field = bt_event_borrow_common_context_field_const(event);
 446         BT_ASSERT_DBG(field);
 447         ret = write_struct_field(
 448             stream, fs_sink_ctf_field_class_as_struct(stream->sc->event_common_context_fc), field,
 449             true);
 450         if (G_UNLIKELY(ret)) {
 451             goto end;
 452         }
 453     }
 454
 455     /* Specific context */
 456     if (ec->spec_context_fc) {
 457         field = bt_event_borrow_specific_context_field_const(event);
 458         BT_ASSERT_DBG(field);
 459         ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(ec->spec_context_fc),
 460                                  field, true);
 461         if (G_UNLIKELY(ret)) {
 462             goto end;
 463         }
 464     }
 465
 466     /* Specific context */
 467     if (ec->payload_fc) {
 468         field = bt_event_borrow_payload_field_const(event);
 469         BT_ASSERT_DBG(field);
 470         ret = write_struct_field(stream, fs_sink_ctf_field_class_as_struct(ec->payload_fc), field,
 471                                  true);
 472         if (G_UNLIKELY(ret)) {
 473             goto end;
 474         }
 475     }
 476
 477 end:
 478     return ret;
 479 }
 480
 481 static int write_packet_context(struct fs_sink_stream *stream)
 482 {
 483     int ret;
 484
 485     /* Packet total size */
 486     ret = bt_ctfser_write_byte_aligned_unsigned_int(
 487         &stream->ctfser, stream->packet_state.total_size, 8, 64, BYTE_ORDER);
 488     if (ret) {
 489         goto end;
 490     }
 491
 492     /* Packet content size */
 493     ret = bt_ctfser_write_byte_aligned_unsigned_int(
 494         &stream->ctfser, stream->packet_state.content_size, 8, 64, BYTE_ORDER);
 495     if (ret) {
 496         goto end;
 497     }
 498
 499     if (stream->sc->packets_have_ts_begin) {
 500         /* Beginning time */
 501         ret = bt_ctfser_write_byte_aligned_unsigned_int(
 502             &stream->ctfser, stream->packet_state.beginning_cs, 8, 64, BYTE_ORDER);
 503         if (ret) {
 504             goto end;
 505         }
 506     }
 507
 508     if (stream->sc->packets_have_ts_end) {
 509         /* End time */
 510         ret = bt_ctfser_write_byte_aligned_unsigned_int(
 511             &stream->ctfser, stream->packet_state.end_cs, 8, 64, BYTE_ORDER);
 512         if (ret) {
 513             goto end;
 514         }
 515     }
 516
 517     if (stream->sc->has_discarded_events) {
 518         /* Discarded event counter */
 519         ret = bt_ctfser_write_byte_aligned_unsigned_int(
 520             &stream->ctfser, stream->packet_state.discarded_events_counter, 8, 64, BYTE_ORDER);
 521         if (ret) {
 522             goto end;
 523         }
 524     }
 525
 526     /* Sequence number */
 527     ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser, stream->packet_state.seq_num,
 528                                                     8, 64, BYTE_ORDER);
 529     if (ret) {
 530         goto end;
 531     }
 532
 533     /* Other members */
 534     if (stream->sc->packet_context_fc) {
 535         const bt_field *packet_context_field;
 536
 537         BT_ASSERT(stream->packet_state.packet);
 538         packet_context_field = bt_packet_borrow_context_field_const(stream->packet_state.packet);
 539         BT_ASSERT(packet_context_field);
 540         ret = write_struct_field(stream,
 541                                  fs_sink_ctf_field_class_as_struct(stream->sc->packet_context_fc),
 542                                  packet_context_field, false);
 543         if (ret) {
 544             goto end;
 545         }
 546     }
 547
 548 end:
 549     return ret;
 550 }
 551
 552 int fs_sink_stream_open_packet(struct fs_sink_stream *stream, const bt_clock_snapshot *cs,
 553                                const bt_packet *packet)
 554 {
 555     int ret;
 556     uint64_t i;
 557
 558     BT_ASSERT(!stream->packet_state.is_open);
 559     bt_packet_put_ref(stream->packet_state.packet);
 560     stream->packet_state.packet = packet;
 561     bt_packet_get_ref(stream->packet_state.packet);
 562     if (cs) {
 563         stream->packet_state.beginning_cs = bt_clock_snapshot_get_value(cs);
 564     }
 565
 566     /* Open packet */
 567     ret = bt_ctfser_open_packet(&stream->ctfser);
 568     if (ret) {
 569         /* bt_ctfser_open_packet() logs errors */
 570         goto end;
 571     }
 572
 573     /* Packet header: magic */
 574     ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser, UINT64_C(0xc1fc1fc1), 8, 32,
 575                                                     BYTE_ORDER);
 576     if (ret) {
 577         BT_COMP_LOGE("Error writing packet header magic: stream-file-name=%s",
 578                      stream->file_name->str);
 579         goto end;
 580     }
 581
 582     /* Packet header: UUID */
 583     for (i = 0; i < BT_UUID_LEN; i++) {
 584         ret = bt_ctfser_write_byte_aligned_unsigned_int(
 585             &stream->ctfser, (uint64_t) stream->sc->trace->uuid[i], 8, 8, BYTE_ORDER);
 586         if (ret) {
 587             BT_COMP_LOGE("Error writing packet header UUID: stream-file-name=%s",
 588                          stream->file_name->str);
 589             goto end;
 590         }
 591     }
 592
 593     /* Packet header: stream class ID */
 594     ret = bt_ctfser_write_byte_aligned_unsigned_int(
 595         &stream->ctfser, bt_stream_class_get_id(stream->sc->ir_sc), 8, 64, BYTE_ORDER);
 596     if (ret) {
 597         BT_COMP_LOGE("Error writing packet header stream class id: "
 598                      "stream-file-name=%s, stream-class-id=%" PRIu64,
 599                      stream->file_name->str, bt_stream_class_get_id(stream->sc->ir_sc));
 600         goto end;
 601     }
 602
 603     /* Packet header: stream ID */
 604     ret = bt_ctfser_write_byte_aligned_unsigned_int(
 605         &stream->ctfser, bt_stream_get_id(stream->ir_stream), 8, 64, BYTE_ORDER);
 606     if (ret) {
 607         BT_COMP_LOGE("Error writing packet header stream id: "
 608                      "stream-file-name=%s, stream-id=%" PRIu64,
 609                      stream->file_name->str, bt_stream_get_id(stream->ir_stream));
 610         goto end;
 611     }
 612
 613     /* Save packet context's offset to rewrite it later */
 614     stream->packet_state.context_offset_bits =
 615         bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser);
 616
 617     /* Write packet context just to advance to content (first event) */
 618     ret = write_packet_context(stream);
 619     if (ret) {
 620         goto end;
 621     }
 622
 623     stream->packet_state.is_open = true;
 624
 625 end:
 626     return ret;
 627 }
 628
 629 int fs_sink_stream_close_packet(struct fs_sink_stream *stream, const bt_clock_snapshot *cs)
 630 {
 631     int ret;
 632
 633     BT_ASSERT(stream->packet_state.is_open);
 634
 635     if (cs) {
 636         stream->packet_state.end_cs = bt_clock_snapshot_get_value(cs);
 637     }
 638
 639     stream->packet_state.content_size =
 640         bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser);
 641     stream->packet_state.total_size = (stream->packet_state.content_size + 7) & ~UINT64_C(7);
 642
 643     /* Rewrite packet context */
 644     bt_ctfser_set_offset_in_current_packet_bits(&stream->ctfser,
 645                                                 stream->packet_state.context_offset_bits);
 646     ret = write_packet_context(stream);
 647     if (ret) {
 648         goto end;
 649     }
 650
 651     /* Close packet */
 652     bt_ctfser_close_current_packet(&stream->ctfser, stream->packet_state.total_size / 8);
 653
 654     /* Partially copy current packet state to previous packet state */
 655     stream->prev_packet_state.end_cs = stream->packet_state.end_cs;
 656     stream->prev_packet_state.discarded_events_counter =
 657         stream->packet_state.discarded_events_counter;
 658     stream->prev_packet_state.seq_num = stream->packet_state.seq_num;
 659
 660     /* Reset current packet state */
 661     stream->packet_state.beginning_cs = UINT64_C(-1);
 662     stream->packet_state.end_cs = UINT64_C(-1);
 663     stream->packet_state.content_size = 0;
 664     stream->packet_state.total_size = 0;
 665     stream->packet_state.seq_num += 1;
 666     stream->packet_state.context_offset_bits = 0;
 667     stream->packet_state.is_open = false;
 668     BT_PACKET_PUT_REF_AND_RESET(stream->packet_state.packet);
 669
 670 end:
 671     return ret;
 672 }