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 int ctf_trace_class_update_stream_class_config(struct ctf_trace_class *ctf_tc)
  18 {
  19     struct ctf_field_class_int *int_fc;
  20     uint64_t i;
  21
  22     for (i = 0; i < ctf_tc->stream_classes->len; i++) {
  23         struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i];
  24
  25         if (sc->is_translated) {
  26             continue;
  27         }
  28
  29         if (!sc->packet_context_fc) {
  30             continue;
  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_begin");
  35         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
  36             sc->packets_have_ts_begin = 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), "timestamp_end");
  41         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
  42             sc->packets_have_ts_end = true;
  43         }
  44
  45         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  46             ctf_field_class_as_struct(sc->packet_context_fc), "events_discarded");
  47         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
  48             sc->has_discarded_events = true;
  49         }
  50
  51         sc->discarded_events_have_default_cs =
  52             sc->has_discarded_events && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  53         int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  54             ctf_field_class_as_struct(sc->packet_context_fc), "packet_seq_num");
  55         if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
  56             sc->has_discarded_packets = true;
  57         }
  58
  59         sc->discarded_packets_have_default_cs =
  60             sc->has_discarded_packets && sc->packets_have_ts_begin && sc->packets_have_ts_end;
  61     }
  62
  63     return 0;
  64 }