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// Copyright (C) 2022-2023 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/.
#include <config.h>
#include <dhcpsrv/random_allocation_state.h>
#include <boost/make_shared.hpp>
using namespace isc::asiolink;
namespace isc {
namespace dhcp {
PoolRandomAllocationStatePtr
PoolRandomAllocationState::create(const PoolPtr& pool) {
if (pool->getType() == Lease::TYPE_PD) {
// Pool classes ensure that the proper type is used for
// the IPv6 specific lease types, so we can just cast
// to the Pool6 pointer.
auto pd_pool = boost::dynamic_pointer_cast<Pool6>(pool);
return (boost::make_shared<PoolRandomAllocationState>(pd_pool->getFirstAddress(),
pd_pool->getLastAddress(),
pd_pool->getLength()));
}
return (boost::make_shared<PoolRandomAllocationState>(pool->getFirstAddress(), pool->getLastAddress()));
}
PoolRandomAllocationState::PoolRandomAllocationState(const IOAddress& first, const IOAddress& last)
: permutation_(new IPRangePermutation(AddressRange(first, last))) {
}
PoolRandomAllocationState::PoolRandomAllocationState(const IOAddress& first, const IOAddress& last,
const uint8_t delegated)
: permutation_(new IPRangePermutation(PrefixRange(first, last, delegated))) {
}
} // end of namespace isc::dhcp
} // end of namespace isc
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