mysql_harness::SecureMemoryPool::BucketPool< BucketType > Class Template Reference

Holds buckets with the given block size. More...

Classes
struct	BucketHash

Public Member Functions
	BucketPool ()=delete
	BucketPool (std::size_t page_size, std::size_t block_size)
	Creates the pool. More...
	BucketPool (const BucketPool &)=delete
	BucketPool (BucketPool &&)=delete
BucketPool &	operator= (const BucketPool &)=delete
BucketPool &	operator= (BucketPool &&)=delete
	~BucketPool ()=default
std::size_t	page_size () const noexcept
	Page size for the buckets in this pool. More...
std::size_t	block_size () const noexcept
	Size of a single block of memory. More...
void *	allocate (std::size_t bytes)
	Allocates the given number of bytes. More...
void	deallocate (void *ptr, std::size_t bytes) noexcept
	Deallocates the given number of bytes. More...

Private Types
using	Buckets = std::unordered_set< BucketType, BucketHash >

Private Member Functions
BucketType *	add_bucket (std::size_t size)
void	remove_bucket (BucketType *bucket)
BucketType *	find_bucket (const void *ptr)
	Finds the bucket which holds the given memory address. More...

Static Private Member Functions
static BucketType *	pointer (Buckets::const_iterator it)

Private Attributes
const std::size_t	page_size_
const std::size_t	block_size_
std::mutex	mutex_
Buckets	buckets_
Buckets	full_buckets_
std::unordered_map< const void *, BucketType * >	memory_map_
const BucketType *	empty_bucket_

Detailed Description

template<class BucketType>
class mysql_harness::SecureMemoryPool::BucketPool< BucketType >

Holds buckets with the given block size.

Member Typedef Documentation

Buckets

template<class BucketType >

using mysql_harness::SecureMemoryPool::BucketPool< BucketType >::Buckets = std::unordered_set<BucketType, BucketHash>

private

Constructor & Destructor Documentation

BucketPool() [1/4]

template<class BucketType >

mysql_harness::SecureMemoryPool::BucketPool< BucketType >::BucketPool ( )

delete

BucketPool() [2/4]

template<class BucketType >

mysql_harness::SecureMemoryPool::BucketPool< BucketType >::BucketPool	(	std::size_t	page_size,
		std::size_t	block_size
	)

Creates the pool.

Parameters

page_size	Page size for the buckets in this pool, size of each bucket is going to be a factor of this size.
block_size	Blocks size for the buckets in this pool.

BucketPool() [3/4]

template<class BucketType >

mysql_harness::SecureMemoryPool::BucketPool< BucketType >::BucketPool ( const BucketPool< BucketType > &  )

delete

BucketPool() [4/4]

template<class BucketType >

mysql_harness::SecureMemoryPool::BucketPool< BucketType >::BucketPool ( BucketPool< BucketType > &&  )

delete

~BucketPool()

template<class BucketType >

mysql_harness::SecureMemoryPool::BucketPool< BucketType >::~BucketPool ( )

default

Member Function Documentation

add_bucket()

template<class BucketType >

BucketType * mysql_harness::SecureMemoryPool::BucketPool< BucketType >::add_bucket ( std::size_t  size )

private

allocate()

template<class BucketType >

void * mysql_harness::SecureMemoryPool::BucketPool< BucketType >::allocate

(

std::size_t

bytes

)

Allocates the given number of bytes.

Parameters

bytes

Number of bytes to allocate.

Returns

Allocated memory.

block_size()

template<class BucketType >

std::size_t mysql_harness::SecureMemoryPool::BucketPool< BucketType >::block_size ( ) const

inlinenoexcept

Size of a single block of memory.

deallocate()

template<class BucketType >

void mysql_harness::SecureMemoryPool::BucketPool< BucketType >::deallocate ( void *  ptr, std::size_t  bytes  )

noexcept

Deallocates the given number of bytes.

Parameters

ptr	Memory previously allocated by this class.
bytes	Size of the memory.

find_bucket()

template<class BucketType >

BucketType * mysql_harness::SecureMemoryPool::BucketPool< BucketType >::find_bucket ( const void *  ptr )

private

Finds the bucket which holds the given memory address.

operator=() [1/2]

template<class BucketType >

BucketPool & mysql_harness::SecureMemoryPool::BucketPool< BucketType >::operator= ( BucketPool< BucketType > &&  )

delete

operator=() [2/2]

template<class BucketType >

BucketPool & mysql_harness::SecureMemoryPool::BucketPool< BucketType >::operator= ( const BucketPool< BucketType > &  )

delete

page_size()

template<class BucketType >

std::size_t mysql_harness::SecureMemoryPool::BucketPool< BucketType >::page_size ( ) const

inlinenoexcept

Page size for the buckets in this pool.

pointer()

template<class BucketType >

static BucketType * mysql_harness::SecureMemoryPool::BucketPool< BucketType >::pointer ( Buckets::const_iterator  it )

inlinestaticprivate

remove_bucket()

template<class BucketType >

void mysql_harness::SecureMemoryPool::BucketPool< BucketType >::remove_bucket ( BucketType *  bucket )

private

Member Data Documentation

block_size_

template<class BucketType >

const std::size_t mysql_harness::SecureMemoryPool::BucketPool< BucketType >::block_size_

private

buckets_

template<class BucketType >

Buckets mysql_harness::SecureMemoryPool::BucketPool< BucketType >::buckets_

private

empty_bucket_

template<class BucketType >

const BucketType* mysql_harness::SecureMemoryPool::BucketPool< BucketType >::empty_bucket_

private

full_buckets_

template<class BucketType >

Buckets mysql_harness::SecureMemoryPool::BucketPool< BucketType >::full_buckets_

private

memory_map_

template<class BucketType >

std::unordered_map<const void *, BucketType *> mysql_harness::SecureMemoryPool::BucketPool< BucketType >::memory_map_

private

mutex_

template<class BucketType >

std::mutex mysql_harness::SecureMemoryPool::BucketPool< BucketType >::mutex_

private

page_size_

template<class BucketType >

const std::size_t mysql_harness::SecureMemoryPool::BucketPool< BucketType >::page_size_

private

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

• router/src/harness/include/secure_memory_pool.h
• router/src/harness/src/secure_memory_pool.cc