isc::dhcp::PoolFreeLeaseQueueAllocationState Class Reference

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

#include <flq_allocation_state.h>

Inheritance diagram for isc::dhcp::PoolFreeLeaseQueueAllocationState:

Public Member Functions
	PoolFreeLeaseQueueAllocationState (Lease::Type type)
	Constructor.
void	addFreeLease (const asiolink::IOAddress &address)
	Adds a free lease to the queue.
void	deleteFreeLease (const asiolink::IOAddress &address)
	Deletes free lease from the queue.
bool	exhausted () const
	Checks if the pool has run out of free leases.
size_t	getFreeLeaseCount () const
	Returns the current number of free leases in the queue.
asiolink::IOAddress	offerFreeLease ()
	Returns next available lease.
Public Member Functions inherited from isc::dhcp::AllocationState
virtual	~AllocationState ()=default
	Virtual destructor.

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

Detailed Description

Pool allocation state used by the FLQ allocator.

Definition at line 26 of file flq_allocation_state.h.

Constructor & Destructor Documentation

PoolFreeLeaseQueueAllocationState()

isc::dhcp::PoolFreeLeaseQueueAllocationState::PoolFreeLeaseQueueAllocationState

(

Lease::Type

type

)

Constructor.

Instantiates the allocation state for the specified lease type.

Parameters

type	lease type.

Definition at line 21 of file flq_allocation_state.cc.

References isc::dhcp::Lease::TYPE_V4.

Member Function Documentation

addFreeLease()

void isc::dhcp::PoolFreeLeaseQueueAllocationState::addFreeLease

(

const asiolink::IOAddress &

address

)

Adds a free lease to the queue.

Parameters

address

lease address.

Definition at line 37 of file flq_allocation_state.cc.

References isc::asiolink::IOAddress::toUint32().

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create()

PoolFreeLeaseQueueAllocationStatePtr isc::dhcp::PoolFreeLeaseQueueAllocationState::create ( const PoolPtr &  pool )

static

Factory function creating the state instance from a 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 flq_allocation_state.cc.

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

deleteFreeLease()

void isc::dhcp::PoolFreeLeaseQueueAllocationState::deleteFreeLease

(

const asiolink::IOAddress &

address

)

Deletes free lease from the queue.

Parameters

address

lease address.

Definition at line 46 of file flq_allocation_state.cc.

References isc::asiolink::IOAddress::toUint32().

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exhausted()

bool isc::dhcp::PoolFreeLeaseQueueAllocationState::exhausted

(

)

const

Checks if the pool has run out of free leases.

Returns

true if the pool has no free leases, false otherwise.

Definition at line 31 of file flq_allocation_state.cc.

getFreeLeaseCount()

size_t isc::dhcp::PoolFreeLeaseQueueAllocationState::getFreeLeaseCount

(

)

const

Returns the current number of free leases in the queue.

Returns

the number of free leases in the queue.

Definition at line 78 of file flq_allocation_state.cc.

offerFreeLease()

IOAddress isc::dhcp::PoolFreeLeaseQueueAllocationState::offerFreeLease

(

)

Returns next available lease.

Returns

next free lease address or IPv4/IPv6 zero address when there are no free leases.

Definition at line 57 of file flq_allocation_state.cc.

References isc::asiolink::IOAddress::IPV4_ZERO_ADDRESS(), and isc::asiolink::IOAddress::IPV6_ZERO_ADDRESS().

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

• flq_allocation_state.h
• flq_allocation_state.cc