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[babeltrace.git] / src / plugins / ctf / common / metadata / ctf-meta-update-stream-class-config.cpp

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright 2019 Philippe Proulx <pproulx@efficios.com>
 */

#include <glib.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>

#include <babeltrace2/babeltrace.h>

#include "common/assert.h"
#include "common/macros.h"

#include "ctf-meta-visitors.hpp"

int ctf_trace_class_update_stream_class_config(struct ctf_trace_class *ctf_tc)
{
    struct ctf_field_class_int *int_fc;
    uint64_t i;

    for (i = 0; i < ctf_tc->stream_classes->len; i++) {
        struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i];

        if (sc->is_translated) {
            continue;
        }

        if (!sc->packet_context_fc) {
            continue;
        }

        int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
            ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_begin");
        if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_BEGINNING_TIME) {
            sc->packets_have_ts_begin = true;
        }

        int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
            ctf_field_class_as_struct(sc->packet_context_fc), "timestamp_end");
        if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_END_TIME) {
            sc->packets_have_ts_end = true;
        }

        int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
            ctf_field_class_as_struct(sc->packet_context_fc), "events_discarded");
        if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT) {
            sc->has_discarded_events = true;
        }

        sc->discarded_events_have_default_cs =
            sc->has_discarded_events && sc->packets_have_ts_begin && sc->packets_have_ts_end;
        int_fc = ctf_field_class_struct_borrow_member_int_field_class_by_name(
            ctf_field_class_as_struct(sc->packet_context_fc), "packet_seq_num");
        if (int_fc && int_fc->meaning == CTF_FIELD_CLASS_MEANING_PACKET_COUNTER_SNAPSHOT) {
            sc->has_discarded_packets = true;
        }

        sc->discarded_packets_have_default_cs =
            sc->has_discarded_packets && sc->packets_have_ts_begin && sc->packets_have_ts_end;
    }

    return 0;
}