src/plugins/ctf/common/src/metadata/tsdl/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 <stdint.h>
   8
   9 #include "ctf-meta-visitors.hpp"
  10
  11 int ctf_trace_class_update_stream_class_config(struct ctf_trace_class *ctf_tc)
  12 {
  13     struct ctf_field_class_int *int_fc;
  14     uint64_t i;
  15
  16     for (i = 0; i < ctf_tc->stream_classes->len; i++) {
  17         struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i];
  18
  19         if (sc->is_translated) {
  20             continue;
  21         }
  22
  23         if (!sc->packet_context_fc) {
  24             continue;
  25         }
  26
  27         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  28             ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_begin");
  29         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
  30             sc->packets_have_ts_begin = true;
  31         }
  32
  33         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  34             ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_end");
  35         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
  36             sc->packets_have_ts_end = true;
  37         }
  38
  39         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  40             ctf_field_class_as_struct(sc->packet_context_fc), "events_discarded");
  41         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
  42             sc->has_discarded_events = true;
  43         }
  44
  45         sc->discarded_events_have_default_cs =
  46             sc->has_discarded_events && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  47         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  48             ctf_field_class_as_struct(sc->packet_context_fc), "packet_seq_num");
  49         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
  50             sc->has_discarded_packets = true;
  51         }
  52
  53         sc->discarded_packets_have_default_cs =
  54             sc->has_discarded_packets && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  55     }
  56
  57     return 0;
  58 }