addr_utilities.h

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// Copyright (C) 2012-2018 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 ADDR_UTILITIES_H
#define ADDR_UTILITIES_H

#include <asiolink/io_address.h>

namespace isc {
namespace dhcp {


isc::asiolink::IOAddress firstAddrInPrefix(const isc::asiolink::IOAddress& prefix,
                                            uint8_t len);

isc::asiolink::IOAddress lastAddrInPrefix(const isc::asiolink::IOAddress& prefix,
                                           uint8_t len);

isc::asiolink::IOAddress getNetmask4(uint8_t len);


uint64_t addrsInRange(const isc::asiolink::IOAddress& min,
                      const isc::asiolink::IOAddress& max);

int prefixLengthFromRange(const isc::asiolink::IOAddress& min,
                          const isc::asiolink::IOAddress& max);

uint64_t prefixesInRange(const uint8_t pool_len, const uint8_t delegated_len);
};
};

#endif // ADDR_UTILITIES_H