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// Copyright (C) 2020 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 IP_RANGE_H
#define IP_RANGE_H
#include <asiolink/io_address.h>
namespace isc {
namespace dhcp {
/// @brief Structure representing IP address range.
struct AddressRange {
/// IP address denoting the start of the address range.
asiolink::IOAddress start_;
/// IP address denoting the end of the address range.
asiolink::IOAddress end_;
/// @brief Constructor.
///
/// @param start beginning of the address range.
/// @param end end of the address range.
/// @throw BadValue if the @c start is greater than the end or
/// specified boundaries do not belong to the same family.
AddressRange(const asiolink::IOAddress& start, const asiolink::IOAddress& end);
};
/// @brief Structure representing delegated prefix range.
struct PrefixRange {
/// IP address denoting the start of the prefix range.
asiolink::IOAddress start_;
/// IP address denoting the first address within the last prefix
/// in the prefix range.
asiolink::IOAddress end_;
/// Prefix length.
uint8_t prefix_length_;
/// Delegated prefix length.
uint8_t delegated_length_;
/// @brief Constructor.
///
/// @param prefix prefix from which prefixes are delegated.
/// @param length length of the prefix from which prefixes are delegated.
/// @param delegated delegated prefix length.
/// @throw BadValue if the values provided to the constructor are invalid,
/// e.g. it is not IPv6 prefix, delegated length is lower than prefix length
/// etc.
PrefixRange(const asiolink::IOAddress& prefix, const uint8_t length, const uint8_t delegated);
/// @brief Constructor.
///
/// @param start beginning of the prefix range.
/// @param end end of the prefix range.
/// @param delegated delegated prefix length.
/// @throw BadValue if the values provided to the constructor are invalid,
/// e.g. it is not IPv6 prefix.
PrefixRange(const asiolink::IOAddress& start, const asiolink::IOAddress& end,
const uint8_t delegated);
};
} // end of namespace isc::dhcp
} // end of namespace isc
#endif // IP_RANGE_H
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