hid_buffer_pool Class Reference

Collaboration diagram for hid_buffer_pool:

Data Structures
struct	hid_buffer_entry

Public Member Functions
	hid_buffer_pool ()
	~hid_buffer_pool ()
size_t	size () const
const hid_buffer &	front () const
void	pop_front ()
void	emplace_back (const uint8_t *pData, size_t nSize)
void	clear ()

Private Attributes
size_t	m_nSize
hid_buffer_entry *	m_pHead
hid_buffer_entry *	m_pTail
hid_buffer_entry *	m_pFree

Detailed Description

Definition at line 181 of file hid.cpp.

Constructor & Destructor Documentation

hid_buffer_pool()

hid_buffer_pool::hid_buffer_pool ( )

inline

Definition at line 184 of file hid.cpp.

                          : m_nSize( 0 ), m_pHead( nullptr ), m_pTail( nullptr ), m_pFree( nullptr )
        {
        }

~hid_buffer_pool()

hid_buffer_pool::~hid_buffer_pool ( )

inline

Definition at line 188 of file hid.cpp.

References hid_buffer_pool::hid_buffer_entry::m_pNext.

        {
                clear();

                while ( m_pFree )
                {
                        hid_buffer_entry *pEntry = m_pFree;
                        m_pFree = m_pFree->m_pNext;
                        delete pEntry;
                }
        }

Member Function Documentation

clear()

void hid_buffer_pool::clear ( )

inline

Definition at line 249 of file hid.cpp.

        {
                while ( size() > 0 )
                {
                        pop_front();
                }
        }

emplace_back()

void hid_buffer_pool::emplace_back ( const uint8_t *  pData, size_t  nSize  )

inline

Definition at line 220 of file hid.cpp.

References hid_buffer::assign(), hid_buffer_pool::hid_buffer_entry::m_buffer, and hid_buffer_pool::hid_buffer_entry::m_pNext.

        {
                hid_buffer_entry *pEntry;

                if ( m_pFree )
                {
                        pEntry = m_pFree;
                        m_pFree = m_pFree->m_pNext;
                }
                else
                {
                        pEntry = new hid_buffer_entry;
                }
                pEntry->m_pNext = nullptr;

                if ( m_pTail )
                {
                        m_pTail->m_pNext = pEntry;
                }
                else
                {
                        m_pHead = pEntry;
                }
                m_pTail = pEntry;

                pEntry->m_buffer.assign( pData, nSize );
                ++m_nSize;
        }

front()

const hid_buffer& hid_buffer_pool::front ( ) const

inline

Definition at line 202 of file hid.cpp.

{ return m_pHead->m_buffer; }

pop_front()

void hid_buffer_pool::pop_front ( )

inline

Definition at line 204 of file hid.cpp.

References hid_buffer_pool::hid_buffer_entry::m_pNext.

        {
                hid_buffer_entry *pEntry = m_pHead;
                if ( pEntry )
                {
                        m_pHead = pEntry->m_pNext;
                        if ( !m_pHead )
                        {
                                m_pTail = nullptr;
                        }
                        pEntry->m_pNext = m_pFree;
                        m_pFree = pEntry;
                        --m_nSize;
                }
        }

size()

size_t hid_buffer_pool::size ( ) const

inline

Definition at line 200 of file hid.cpp.

{ return m_nSize; }

Field Documentation

m_nSize

size_t hid_buffer_pool::m_nSize

private

Definition at line 264 of file hid.cpp.

m_pFree

hid_buffer_entry* hid_buffer_pool::m_pFree

private

Definition at line 267 of file hid.cpp.

m_pHead

hid_buffer_entry* hid_buffer_pool::m_pHead

private

Definition at line 265 of file hid.cpp.

m_pTail

hid_buffer_entry* hid_buffer_pool::m_pTail

private

Definition at line 266 of file hid.cpp.

---

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

• src/hidapi/android/hid.cpp