denm_utils.h

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/*
=============================================================================
MIT License
 
Copyright (c) 2023-2024 Institute for Automotive Engineering (ika), RWTH Aachen University
 
Permission is hereby granted, free of charge, to any person obtaining a copy
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#include <etsi_its_msgs_utils/impl/cdd/cdd_checks.h>
#include <etsi_its_msgs_utils/impl/constants.h>
 
#pragma once
 
inline uint64_t getUnixNanosecondsFromReferenceTime(const TimestampIts& reference_time) {
  double unix_time_with_leap_seconds = reference_time.value * 1e-3 + etsi_its_msgs::UNIX_SECONDS_2004;
  uint16_t n_leap_seconds =
      etsi_its_msgs::getLeapSecondInsertionsSince2004(static_cast<uint64_t>(unix_time_with_leap_seconds));
  return (unix_time_with_leap_seconds - n_leap_seconds) * 1e9;
}