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 <glib.h>
   8 #include <inttypes.h>
   9 #include <stdint.h>
  10 #include <string.h>
  11
  12 #include <babeltrace2/babeltrace.h>
  13
  14 #include "common/assert.h"
  15 #include "common/macros.h"
  16
  17 #include "ctf-meta-visitors.hpp"
  18
  19 int ctf_trace_class_update_stream_class_config(struct ctf_trace_class *ctf_tc)
  20 {
  21     struct ctf_field_class_int *int_fc;
  22     uint64_t i;
  23
  24     for (i = 0; i < ctf_tc->stream_classes->len; i++) {
  25         struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i];
  26
  27         if (sc->is_translated) {
  28             continue;
  29         }
  30
  31         if (!sc->packet_context_fc) {
  32             continue;
  33         }
  34
  35         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  36             ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_begin");
  37         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
  38             sc->packets_have_ts_begin = true;
  39         }
  40
  41         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  42             ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_end");
  43         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
  44             sc->packets_have_ts_end = true;
  45         }
  46
  47         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  48             ctf_field_class_as_struct(sc->packet_context_fc), "events_discarded");
  49         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
  50             sc->has_discarded_events = true;
  51         }
  52
  53         sc->discarded_events_have_default_cs =
  54             sc->has_discarded_events && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  55         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  56             ctf_field_class_as_struct(sc->packet_context_fc), "packet_seq_num");
  57         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
  58             sc->has_discarded_packets = true;
  59         }
  60
  61         sc->discarded_packets_have_default_cs =
  62             sc->has_discarded_packets && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  63     }
  64
  65     return 0;
  66 }