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

   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.h"
  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 =
  25                         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                         (void *) sc->packet_context_fc, "timestamp_begin");
  37                 if (int_fc && int_fc->meaning ==
  38                                 CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
  39                         sc->packets_have_ts_begin = true;
  40                 }
  41
  42                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  43                         (void *) sc->packet_context_fc, "timestamp_end");
  44                 if (int_fc && int_fc->meaning ==
  45                                 CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
  46                         sc->packets_have_ts_end = true;
  47                 }
  48
  49                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  50                         (void *) sc->packet_context_fc, "events_discarded");
  51                 if (int_fc && int_fc->meaning ==
  52                                 CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
  53                         sc->has_discarded_events = true;
  54                 }
  55
  56                 sc->discarded_events_have_default_cs =
  57                         sc->has_discarded_events && sc->packets_have_ts_begin &&
  58                         sc->packets_have_ts_end;
  59                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  60                         (void *) sc->packet_context_fc, "packet_seq_num");
  61                 if (int_fc && int_fc->meaning ==
  62                                 CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
  63                         sc->has_discarded_packets = true;
  64                 }
  65
  66                 sc->discarded_packets_have_default_cs =
  67                         sc->has_discarded_packets &&
  68                         sc->packets_have_ts_begin && sc->packets_have_ts_end;
  69         }
  70
  71         return 0;
  72 }