mysql_harness::SecureMemoryPool Class Reference

Manages a pool of memory which is prevented from being swapped. More...

#include <secure_memory_pool.h>

Classes
class	Bucket
	A bucket of memory blocks of the given size. More...
class	BucketPool
	Holds buckets with the given block size. More...
class	ContiguousBlocks
	Allows to allocate multiple contiguous blocks of memory. More...
class	FixedBlock
	Allocates a single block of memory. More...

Public Member Functions
	SecureMemoryPool (const SecureMemoryPool &)=delete
	SecureMemoryPool (SecureMemoryPool &&)=delete
SecureMemoryPool &	operator= (const SecureMemoryPool &)=delete
SecureMemoryPool &	operator= (SecureMemoryPool &&)=delete
	~SecureMemoryPool ()=default
void *	allocate (std::size_t size)
	Allocates the given number of bytes. More...
void	deallocate (void *ptr, std::size_t size) noexcept
	Deallocates the given number of bytes. More...

Static Public Member Functions
static SecureMemoryPool &	get ()
	The single instance of this class. More...

Private Member Functions
	SecureMemoryPool ()

Private Attributes
std::vector< Bucket< FixedBlock > >	fixed_buckets_
std::vector< std::mutex >	fixed_buckets_mutexes_
BucketPool< Bucket< ContiguousBlocks > >	large_pool_

Detailed Description

Manages a pool of memory which is prevented from being swapped.

Constructor & Destructor Documentation

SecureMemoryPool() [1/3]

mysql_harness::SecureMemoryPool::SecureMemoryPool ( const SecureMemoryPool &  )

delete

SecureMemoryPool() [2/3]

mysql_harness::SecureMemoryPool::SecureMemoryPool ( SecureMemoryPool &&  )

delete

~SecureMemoryPool()

mysql_harness::SecureMemoryPool::~SecureMemoryPool ( )

default

SecureMemoryPool() [3/3]

mysql_harness::SecureMemoryPool::SecureMemoryPool ( )

private

Member Function Documentation

allocate()

void * mysql_harness::SecureMemoryPool::allocate

(

std::size_t

size

)

Allocates the given number of bytes.

Parameters

size	Number of bytes to allocate.

Returns

Allocated memory.

deallocate()

void mysql_harness::SecureMemoryPool::deallocate ( void *  ptr, std::size_t  size  )

noexcept

Deallocates the given number of bytes.

Parameters

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

get()

SecureMemoryPool & mysql_harness::SecureMemoryPool::get ( )

static

The single instance of this class.

operator=() [1/2]

SecureMemoryPool & mysql_harness::SecureMemoryPool::operator= ( const SecureMemoryPool &  )

delete

operator=() [2/2]

SecureMemoryPool & mysql_harness::SecureMemoryPool::operator= ( SecureMemoryPool &&  )

delete

Member Data Documentation

fixed_buckets_

std::vector<Bucket<FixedBlock> > mysql_harness::SecureMemoryPool::fixed_buckets_

private

fixed_buckets_mutexes_

std::vector<std::mutex> mysql_harness::SecureMemoryPool::fixed_buckets_mutexes_

private

large_pool_

BucketPool<Bucket<ContiguousBlocks> > mysql_harness::SecureMemoryPool::large_pool_

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