Feel::FunctionSpaceManager::Impl Struct Reference

Private synchronized storage and policy implementation. More...

Collaboration diagram for Feel::FunctionSpaceManager::Impl:

Classes
struct	Entry
	Strongly retained function space and its LRU metadata. More...
struct	Key
	Key for one function space associated with a mesh bucket. More...
struct	MeshBucket
	Entries, observers, and counters associated with one mesh owner. More...

Public Types
using	buckets_type = std::map< owner_type, MeshBucket, owner_less_type >

Public Member Functions
void	eraseEntry (MeshBucket &bucket, typename std::map< Key, Entry >::iterator entry, bool eviction)
	Erase one entry and optionally account for an eviction. More...
void	evictIfNeeded (MeshBucket &insertedBucket)
	Enforce per-mesh and global LRU capacity limits. More...
void	increment (MeshBucket &bucket, uint64_type FunctionSpaceManagerStats::*member, uint64_type amount=1)
	Increment the same counter globally and for one mesh. More...
void	loadRuntimeConfigOnce ()
	Load manager options from the Environment exactly once.
void	pruneExpiredBuckets ()
	Remove empty buckets whose mesh owner has expired.
std::size_t	retainedEntries () const

Public Attributes
uint64_type	accessClock = 0
buckets_type	buckets
FunctionSpaceManagerConfig	config
FunctionSpaceManagerStats	counters
bool	logStats = false
std::recursive_mutex	mutex
bool	runtimeConfigLoaded = false
bool	shutdownComplete = false

Detailed Description

Private synchronized storage and policy implementation.

Member Function Documentation

eraseEntry()

void Feel::FunctionSpaceManager::Impl::eraseEntry	(	MeshBucket &	bucket,
		typename std::map< Key, Entry >::iterator	entry,
		bool	eviction
	)

Erase one entry and optionally account for an eviction.

Parameters

bucket	bucket containing entry
entry	iterator of the entry to erase
eviction	whether to increment the eviction counter

References Feel::FunctionSpaceManager::Impl::MeshBucket::entries, Feel::FunctionSpaceManagerStats::evictions, and increment().

Referenced by evictIfNeeded().

evictIfNeeded()

void Feel::FunctionSpaceManager::Impl::evictIfNeeded

(

MeshBucket &

insertedBucket

)

Enforce per-mesh and global LRU capacity limits.

Parameters

insertedBucket

bucket in which an entry was inserted

References Feel::FunctionSpaceManager::Impl::MeshBucket::entries, eraseEntry(), and retainedEntries().

increment()

void Feel::FunctionSpaceManager::Impl::increment	(	MeshBucket &	bucket,
		uint64_type FunctionSpaceManagerStats::*	member,
		uint64_type	amount = 1
	)

Increment the same counter globally and for one mesh.

Parameters

bucket	mesh bucket whose counter is incremented
member	counter member to update
amount	increment amount

References Feel::FunctionSpaceManager::Impl::MeshBucket::counters.

Referenced by eraseEntry().

retainedEntries()

std::size_t Feel::FunctionSpaceManager::Impl::retainedEntries

(

)

const

Returns

number of entries retained across all mesh buckets.

Referenced by evictIfNeeded().