src/plugins/ctf/common/metadata/ctf-meta-update-stream-class-config.cpp

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2019 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #include <babeltrace2/babeltrace.h>
   8 #include "common/macros.h"
   9 #include "common/assert.h"
  10 #include <glib.h>
  11 #include <stdint.h>
  12 #include <string.h>
  13 #include <inttypes.h>
  14
  15 #include "ctf-meta-visitors.hpp"
  16
  17 BT_HIDDEN
  18 int ctf_trace_class_update_stream_class_config(struct ctf_trace_class *ctf_tc)
  19 {
  20     struct ctf_field_class_int *int_fc;
  21     uint64_t i;
  22
  23     for (i = 0; i < ctf_tc->stream_classes->len; i++) {
  24         struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i];
  25
  26         if (sc->is_translated) {
  27             continue;
  28         }
  29
  30         if (!sc->packet_context_fc) {
  31             continue;
  32         }
  33
  34         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  35             ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_begin");
  36         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
  37             sc->packets_have_ts_begin = true;
  38         }
  39
  40         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  41             ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_end");
  42         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
  43             sc->packets_have_ts_end = true;
  44         }
  45
  46         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  47             ctf_field_class_as_struct(sc->packet_context_fc), "events_discarded");
  48         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
  49             sc->has_discarded_events = true;
  50         }
  51
  52         sc->discarded_events_have_default_cs =
  53             sc->has_discarded_events && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  54         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  55             ctf_field_class_as_struct(sc->packet_context_fc), "packet_seq_num");
  56         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
  57             sc->has_discarded_packets = true;
  58         }
  59
  60         sc->discarded_packets_have_default_cs =
  61             sc->has_discarded_packets && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  62     }
  63
  64     return 0;
  65 }