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/usr/include/ola/rdm/NetworkManagerInterface.h is in libola-dev 0.9.8-1.

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/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * NetworkManagerInterface.h
 * The glue between the ResponderHelper and the OLA network code.
 * Copyright (C) 2013 Peter Newman
 */

/**
 * @addtogroup rdm_resp
 * @{
 * @file NetworkManagerInterface.h
 * @brief The interface for the NetworkManager.
 * @}
 */

#ifndef INCLUDE_OLA_RDM_NETWORKMANAGERINTERFACE_H_
#define INCLUDE_OLA_RDM_NETWORKMANAGERINTERFACE_H_

#include <ola/network/IPV4Address.h>
#include <ola/network/Interface.h>
#include <ola/network/InterfacePicker.h>
#include <ola/rdm/RDMEnums.h>

#include <string>
#include <vector>

namespace ola {
namespace rdm {

/**
 * @brief Gets global network information.
 */
class NetworkManagerInterface {
 public:
  NetworkManagerInterface() {}
  virtual ~NetworkManagerInterface() {}

  /**
   * Get the interface picker
   */
  virtual const ola::network::InterfacePicker *GetInterfacePicker() const = 0;

  /**
   * Get the DHCP status of an interface
   * @param iface the interface to check the DHCP status of
   * @return One of DHCP_STATUS_ACTIVE, DHCP_STATUS_INACTIVE or
   * DHCP_STATUS_UNKNOWN.
   */
  virtual rdm_dhcp_status GetDHCPStatus(
      const ola::network::Interface &iface) const = 0;

  /**
   * Get the IPv4 default route
   * @param[out] if_index the index of the interface the machine's default
   *   is on
   * @param[out] default_route the machine's default route as an IPV4Address
   *   object
   * @return true if we managed to fetch the default route, false otherwise
   * @note if it manages to fetch the route information and there isn't a route,
   * it will return the special wildcard address, which can be tested for with
   * IsWildcard().
   */
  virtual bool GetIPV4DefaultRoute(
      int32_t *if_index,
      ola::network::IPV4Address *default_route) const = 0;

  /**
   * Get the hostname
   */
  virtual const std::string GetHostname() const = 0;

  /**
   * Get the domain name
   */
  virtual const std::string GetDomainName() const = 0;

  /**
   * Get name servers
   */
  virtual bool GetNameServers(
      std::vector<ola::network::IPV4Address> *name_servers) const = 0;
};
}  // namespace rdm
}  // namespace ola
#endif  // INCLUDE_OLA_RDM_NETWORKMANAGERINTERFACE_H_