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

   1 /*
   2  * Copyright 2019 - Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  */
  14
  15 #define BT_LOG_TAG "PLUGIN-CTF-METADATA-META-UPDATE-SC-CONFIG"
  16 #include "logging.h"
  17
  18 #include <babeltrace2/babeltrace.h>
  19 #include "common/macros.h"
  20 #include "common/assert.h"
  21 #include <glib.h>
  22 #include <stdint.h>
  23 #include <string.h>
  24 #include <inttypes.h>
  25
  26 #include "ctf-meta-visitors.h"
  27
  28 BT_HIDDEN
  29 int ctf_trace_class_update_stream_class_config(struct ctf_trace_class *ctf_tc)
  30 {
  31         struct ctf_field_class_int *int_fc;
  32         uint64_t i;
  33
  34         for (i = 0; i < ctf_tc->stream_classes->len; i++) {
  35                 struct ctf_stream_class *sc =
  36                         ctf_tc->stream_classes->pdata[i];
  37
  38                 if (sc->is_translated) {
  39                         continue;
  40                 }
  41
  42                 if (!sc->packet_context_fc) {
  43                         continue;
  44                 }
  45
  46                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  47                         (void *) sc->packet_context_fc, "timestamp_begin");
  48                 if (int_fc && int_fc->meaning ==
  49                                 CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
  50                         sc->packets_have_ts_begin = true;
  51                 }
  52
  53                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  54                         (void *) sc->packet_context_fc, "timestamp_end");
  55                 if (int_fc && int_fc->meaning ==
  56                                 CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
  57                         sc->packets_have_ts_end = true;
  58                 }
  59
  60                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  61                         (void *) sc->packet_context_fc, "events_discarded");
  62                 if (int_fc && int_fc->meaning ==
  63                                 CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
  64                         sc->has_discarded_events = true;
  65                 }
  66
  67                 sc->discarded_events_have_default_cs =
  68                         sc->has_discarded_events && sc->packets_have_ts_begin &&
  69                         sc->packets_have_ts_end;
  70                 int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
  71                         (void *) sc->packet_context_fc, "packet_seq_num");
  72                 if (int_fc && int_fc->meaning ==
  73                                 CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
  74                         sc->has_discarded_packets = true;
  75                 }
  76
  77                 sc->discarded_packets_have_default_cs =
  78                         sc->has_discarded_packets &&
  79                         sc->packets_have_ts_begin && sc->packets_have_ts_end;
  80         }
  81
  82         return 0;
  83 }