text: // =============================================================================
  // Copyright 2017 National Technology & Engineering Solutions of Sandia, LLC
  // (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
  // Government retains certain rights in this software.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  // =============================================================================
  // Maintained by Sandia National Laboratories <Netmeld@sandia.gov>
  // =============================================================================
  
  #include "InterfaceHelper.hpp"
  
  void
  InterfaceHelper::add(nmdo::Interface& iface, const std::string& deviceId)
  {
    const auto& ifaceName {iface.getName()};
  
    auto it = interfaces.find(ifaceName);
    if (it == interfaces.end()) {
      // Create new
      interfaces.emplace(ifaceName, InterfaceWrapper{iface, deviceId});
    } else {
      // Update existing
      auto& wrapper = it->second;
  
      auto mac {iface.getMacAddress()};
      if (mac.isValid()) {
        wrapper.interface.setMacAddress(mac);
      }
      for (auto& ip : iface.getIpAddresses()) {
        wrapper.interface.addIpAddress(ip);
      }
    }
  }
  