Method check_field_configured

plugins/background_fetch/rules.cc:136–144

////////////////////////////////////////////////////////////////////// Check if a header excludes us from running the background fetch

// Check if a header excludes us from running the background fetch
//
bool
BgFetchRule::check_field_configured(TSHttpTxn txnp) const
{
  return std::visit(swoc::meta::vary{[=](std::monostate) { return false; },
                                     [=](swoc::IPRange const &range) { return check_value(txnp, range); },
                                     [=](size_cmp_type const &cmp) { return check_value(txnp, cmp); },
                                     [=](field_cmp_type const &cmp) { return check_value(txnp, cmp); }},
                    _value);
}