EITCache Class Reference

#include <eitcache.h>

Collaboration diagram for EITCache:

Public Member Functions
	EITCache ()
	~EITCache ()
bool	IsNewEIT (uint chanid, uint tableid, uint version, uint eventid, uint endtime)
uint	PruneOldEntries (uint utc_timestamp)
	Prunes entries that describe events ending before timestamp time. More...
void	WriteToDB (void)
void	ResetStatistics (void)
QString	GetStatistics (void) const

Static Public Member Functions
static MTV_PUBLIC void	ClearChannelLocks (void)
	Removes old channel locks, use it only at master backend start. More...

Private Member Functions
event_map_t *	LoadChannel (uint chanid)
bool	WriteChannelToDB (QStringList &value_clauses, uint chanid)

Private Attributes
key_map_t	m_channelMap
QMutex	m_eventMapLock
uint	m_lastPruneTime
uint	m_accessCnt {0}
uint	m_hitCnt {0}
uint	m_tblChgCnt {0}
uint	m_verChgCnt {0}
uint	m_endChgCnt {0}
uint	m_entryCnt {0}
uint	m_pruneCnt {0}
uint	m_prunedHitCnt {0}
uint	m_futureHitCnt {0}
uint	m_wrongChannelHitCnt {0}

Static Private Attributes
static const uint	kVersionMax = 31

Detailed Description

Definition at line 22 of file eitcache.h.

Constructor & Destructor Documentation

EITCache()

EITCache::EITCache

(

)

Definition at line 22 of file eitcache.cpp.

~EITCache()

EITCache::~EITCache

(

)

Definition at line 28 of file eitcache.cpp.

Member Function Documentation

IsNewEIT()

bool EITCache::IsNewEIT	(	uint	chanid,
		uint	tableid,
		uint	version,
		uint	eventid,
		uint	endtime
	)

Definition at line 336 of file eitcache.cpp.

Referenced by EITHelper::AddEIT().

PruneOldEntries()

uint EITCache::PruneOldEntries

(

uint

timestamp

)

Prunes entries that describe events ending before timestamp time.

Returns

Number of entries pruned

Definition at line 413 of file eitcache.cpp.

Referenced by EITHelper::PruneEITCache().

WriteToDB()

void EITCache::WriteToDB

(

void

)

Definition at line 307 of file eitcache.cpp.

Referenced by IsNewEIT(), PruneOldEntries(), EITHelper::WriteEITCache(), and ~EITCache().

ResetStatistics()

void EITCache::ResetStatistics

(

void

)

Definition at line 33 of file eitcache.cpp.

GetStatistics()

QString EITCache::GetStatistics

(

void

)

const

Definition at line 47 of file eitcache.cpp.

Referenced by IsNewEIT().

LoadChannel()

event_map_t * EITCache::LoadChannel ( uint  chanid )

private

Definition at line 212 of file eitcache.cpp.

Referenced by IsNewEIT().

WriteChannelToDB()

bool EITCache::WriteChannelToDB ( QStringList &  value_clauses, uint  chanid  )

private

Definition at line 257 of file eitcache.cpp.

Referenced by WriteToDB().

ClearChannelLocks()

void EITCache::ClearChannelLocks ( void  )

static

Removes old channel locks, use it only at master backend start.

Definition at line 438 of file eitcache.cpp.

Referenced by run_backend().

Member Data Documentation

m_channelMap

key_map_t EITCache::m_channelMap

private

Definition at line 42 of file eitcache.h.

Referenced by IsNewEIT(), WriteChannelToDB(), and WriteToDB().

m_eventMapLock

QMutex EITCache::m_eventMapLock

mutableprivate

Definition at line 44 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and WriteToDB().

m_lastPruneTime

uint EITCache::m_lastPruneTime

private

Definition at line 45 of file eitcache.h.

Referenced by EITCache(), IsNewEIT(), LoadChannel(), PruneOldEntries(), and WriteChannelToDB().

m_accessCnt

uint EITCache::m_accessCnt {0}

private

Definition at line 48 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_hitCnt

uint EITCache::m_hitCnt {0}

private

Definition at line 49 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_tblChgCnt

uint EITCache::m_tblChgCnt {0}

private

Definition at line 50 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_verChgCnt

uint EITCache::m_verChgCnt {0}

private

Definition at line 51 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_endChgCnt

uint EITCache::m_endChgCnt {0}

private

Definition at line 52 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_entryCnt

uint EITCache::m_entryCnt {0}

private

Definition at line 53 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), LoadChannel(), and ResetStatistics().

m_pruneCnt

uint EITCache::m_pruneCnt {0}

private

Definition at line 54 of file eitcache.h.

Referenced by GetStatistics(), ResetStatistics(), and WriteChannelToDB().

m_prunedHitCnt

uint EITCache::m_prunedHitCnt {0}

private

Definition at line 55 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_futureHitCnt

uint EITCache::m_futureHitCnt {0}

private

Definition at line 56 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

m_wrongChannelHitCnt

uint EITCache::m_wrongChannelHitCnt {0}

private

Definition at line 57 of file eitcache.h.

Referenced by GetStatistics(), IsNewEIT(), and ResetStatistics().

kVersionMax

const uint EITCache::kVersionMax = 31

staticprivate

Definition at line 59 of file eitcache.h.

---

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

• eitcache.h
• eitcache.cpp