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// Copyright (C) 2017 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef CFG_HOSTS_UTIL_H
#define CFG_HOSTS_UTIL_H
#include <cc/data.h>
#include <dhcpsrv/subnet_id.h>
namespace isc {
namespace dhcp {
/// @brief Utility class to represent host reservation configurations
/// internally as a map keyed by subnet IDs, externally as a list Element.
class CfgHostsList {
public:
/// The type of the internal map
typedef std::map<SubnetID, isc::data::ElementPtr> CfgHostsMap;
/// @brief Internalize a list Element
///
/// This method gets a list Element and builds the internal map from it.
///
/// @param list the list Element
void internalize(isc::data::ConstElementPtr list);
/// @brief Externalize the map to a list Element
///
/// @return a list Element representing all host reservations
isc::data::ElementPtr externalize() const;
/// @brief Add a host reservation to the map
void add(SubnetID id, isc::data::ElementPtr resv);
/// @brief Return the host reservations for a subnet ID
///
/// @param id the subnet ID
/// @return a list Element with host reservations
isc::data::ConstElementPtr get(SubnetID id) const;
private:
/// @brief The internal map
CfgHostsMap map_;
};
}
}
#endif // CFG_HOSTS_UTIL_H
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