isc::dhcp::PoolRandomAllocationState Class Reference

Pool allocation state used by the random allocator. More...

#include <random_allocation_state.h>

Inheritance diagram for isc::dhcp::PoolRandomAllocationState:

Public Member Functions
	PoolRandomAllocationState (const asiolink::IOAddress &first, const asiolink::IOAddress &last)
	Constructor from an IP address pool.
	PoolRandomAllocationState (const asiolink::IOAddress &first, const asiolink::IOAddress &last, const uint8_t delegated)
	Constructor from a delegated prefix pool.
IPRangePermutationPtr	getPermutation () const
	Returns a pointer to the permutation of addresses or delegated prefixes.
Public Member Functions inherited from isc::dhcp::AllocationState
virtual	~AllocationState ()=default
	Virtual destructor.

Static Public Member Functions
static PoolRandomAllocationStatePtr	create (const PoolPtr &pool)
	Factory function creating the state instance from pool.

Detailed Description

Pool allocation state used by the random allocator.

It extends the base class with the mechanism that maintains an address or delegated prefix pool permutation. The permutation serves random, non-repeating leases.

Definition at line 30 of file random_allocation_state.h.

Constructor & Destructor Documentation

PoolRandomAllocationState() [1/2]

isc::dhcp::PoolRandomAllocationState::PoolRandomAllocationState	(	const asiolink::IOAddress &	first,
		const asiolink::IOAddress &	last )

Constructor from an IP address pool.

Parameters

first	first address in the pool.
last	last address in the pool.

Definition at line 30 of file random_allocation_state.cc.

PoolRandomAllocationState() [2/2]

isc::dhcp::PoolRandomAllocationState::PoolRandomAllocationState	(	const asiolink::IOAddress &	first,
		const asiolink::IOAddress &	last,
		const uint8_t	delegated )

Constructor from a delegated prefix pool.

Parameters

first	first address in the pool.
last	last prefix in the pool.
delegated	delegated prefix length.

Definition at line 34 of file random_allocation_state.cc.

Member Function Documentation

create()

PoolRandomAllocationStatePtr isc::dhcp::PoolRandomAllocationState::create ( const PoolPtr & pool )

static

Factory function creating the state instance from pool.

Parameters

pool	instance of the pool for which the allocation state should be instantiated.

Returns

new allocation state instance.

Definition at line 17 of file random_allocation_state.cc.

References isc::dhcp::Lease::TYPE_PD.

Referenced by isc::dhcp::Subnet4::createAllocators(), and isc::dhcp::Subnet6::createAllocators().

getPermutation()

IPRangePermutationPtr isc::dhcp::PoolRandomAllocationState::getPermutation ( ) const

inline

Returns a pointer to the permutation of addresses or delegated prefixes.

Returns

permutation instance.

Definition at line 60 of file random_allocation_state.h.

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The documentation for this class was generated from the following files:

• random_allocation_state.h
• random_allocation_state.cc