DBAPI

Database API members. More...

Collaboration diagram for DBAPI:

Modules
	Database APIs
	Driver Manager
	Variant exception and data type
	Database Exceptions
	Database Server Interfaces
	Database Server Public Interfaces
	Database Types
	Drivers' Registration

Classes
class	IDBServiceInfo
class	CDBPoolBalancer

Typedefs
typedef IDBServiceMapper::TOptions	IDBServiceInfo::TOptions
typedef SSimpleLock< IDBServiceInfo >	IDBServiceInfo::TLock
typedef SSimpleUnlock< IDBServiceInfo >	IDBServiceInfo::TUnlock
typedef CGuard< IDBServiceInfo >	IDBServiceInfo::TGuard
typedef CGuard< IDBServiceInfo, TUnlock, TLock >	IDBServiceInfo::TAntiGuard

Functions
virtual const string &	IDBServiceInfo::GetServiceName (void) const =0
virtual const TOptions &	IDBServiceInfo::GetOptions (void)=0
virtual TSvrRef	IDBServiceInfo::GetMappedServer (void)=0
virtual void	IDBServiceInfo::Lock (void)=0
virtual void	IDBServiceInfo::Unlock (void)=0
	CDBPoolBalancer::CDBPoolBalancer (IDBServiceInfo &service_info, const string &pool_name, I_DriverContext *driver_ctx=nullptr, bool is_pooled=true)
TSvrRef	CDBPoolBalancer::GetServer (CDB_Connection **conn, const CDBConnParams *params)
IBalanceable *	CDBPoolBalancer::x_TryPool (const void *params) override
unsigned int	CDBPoolBalancer::x_GetCount (const void *params, const string &name) override
unsigned int	CDBPoolBalancer::x_GetPoolMax (const void *params) override
void	CDBPoolBalancer::x_Discard (const void *params, IBalanceable *conn) override
static TFlags	CDBPoolBalancer::x_GetFlags (I_DriverContext *driver_ctx, bool is_pooled)
void	CDBPoolBalancer::x_ReinitFromCounts (void)

Variables
CRef< IDBServiceInfo >	CDBPoolBalancer::m_ServiceInfo
string	CDBPoolBalancer::m_PoolName
I_DriverContext *	CDBPoolBalancer::m_DriverCtx
bool	CDBPoolBalancer::m_IsPooled

Detailed Description

Database API members.

Typedef Documentation

TAntiGuard

typedef CGuard<IDBServiceInfo, TUnlock, TLock> IDBServiceInfo::TAntiGuard

Definition at line 52 of file dbapi_pool_balancer.hpp.

TGuard

typedef CGuard<IDBServiceInfo> IDBServiceInfo::TGuard

Definition at line 51 of file dbapi_pool_balancer.hpp.

TLock

typedef SSimpleLock<IDBServiceInfo> IDBServiceInfo::TLock

Definition at line 49 of file dbapi_pool_balancer.hpp.

TOptions

typedef IDBServiceMapper::TOptions IDBServiceInfo::TOptions

Definition at line 48 of file dbapi_pool_balancer.hpp.

TUnlock

typedef SSimpleUnlock<IDBServiceInfo> IDBServiceInfo::TUnlock

Definition at line 50 of file dbapi_pool_balancer.hpp.

Function Documentation

CDBPoolBalancer()

CDBPoolBalancer::CDBPoolBalancer	(	IDBServiceInfo &	service_info,
		const string &	pool_name,
		I_DriverContext *	driver_ctx = nullptr,
		bool	is_pooled = true
	)

Definition at line 85 of file dbapi_pool_balancer.cpp.

References CDBPoolBalancer::x_ReinitFromCounts().

GetMappedServer()

virtual TSvrRef IDBServiceInfo::GetMappedServer ( void  )

pure virtual

Implemented in CDBConnectionFactory::CServiceInfo.

Referenced by CDBPoolBalancer::x_TryPool().

GetOptions()

virtual const TOptions& IDBServiceInfo::GetOptions ( void  )

pure virtual

Implemented in CDBConnectionFactory::CServiceInfo.

GetServer()

TSvrRef CDBPoolBalancer::GetServer ( CDB_Connection **  conn, const CDBConnParams *  params  )

inline

Definition at line 90 of file dbapi_pool_balancer.hpp.

References conn, and CPoolBalancer::x_GetServer().

GetServiceName()

virtual const string& IDBServiceInfo::GetServiceName ( void  ) const

pure virtual

Implemented in CDBConnectionFactory::CServiceInfo.

Referenced by CDBPoolBalancer::x_ReinitFromCounts().

Lock()

virtual void IDBServiceInfo::Lock ( void  )

pure virtual

Implemented in CDBConnectionFactory::CServiceInfo.

Unlock()

virtual void IDBServiceInfo::Unlock ( void  )

pure virtual

Implemented in CDBConnectionFactory::CServiceInfo.

x_Discard()

void CDBPoolBalancer::x_Discard ( const void *  params, IBalanceable *  conn  )

overrideprotectedvirtual

Reimplemented from CPoolBalancer.

Definition at line 187 of file dbapi_pool_balancer.cpp.

References _ASSERT, _TRACE, I_DriverContext::CloseUnusedConnections(), conn, and CDBPoolBalancer::m_DriverCtx.

x_GetCount()

unsigned int CDBPoolBalancer::x_GetCount ( const void *  params, const string &  name  )

overrideprotectedvirtual

Reimplemented from CPoolBalancer.

Definition at line 163 of file dbapi_pool_balancer.cpp.

References _ASSERT, CDBPoolBalancer::m_DriverCtx, and I_DriverContext::NofConnections().

x_GetFlags()

CPoolBalancer::TFlags CDBPoolBalancer::x_GetFlags ( I_DriverContext *  driver_ctx, bool  is_pooled  )

staticprivate

Definition at line 98 of file dbapi_pool_balancer.cpp.

References CPoolBalancer::fIgnoreRawIPs, flags, CPoolBalancer::fNoPooling, I_DriverContext::GetDriverName(), and NStr::StartsWith().

x_GetPoolMax()

unsigned int CDBPoolBalancer::x_GetPoolMax ( const void *  params )

overrideprotectedvirtual

Reimplemented from CPoolBalancer.

Definition at line 173 of file dbapi_pool_balancer.cpp.

References _ASSERT, NStr::fConvErr_NoThrow, and NStr::StringToNumeric().

x_ReinitFromCounts()

void CDBPoolBalancer::x_ReinitFromCounts ( void  )

private

Definition at line 113 of file dbapi_pool_balancer.cpp.

References ERR_POST_X, impl::CDriverContext::GetCountsForPool(), impl::CDriverContext::GetCountsForService(), IDBServiceInfo::GetServiceName(), CDBPoolBalancer::m_DriverCtx, CDBPoolBalancer::m_PoolName, CDBPoolBalancer::m_ServiceInfo, NULL, Warning(), CPoolBalancer::x_InitFromCounts(), and CPoolBalancer::x_NoPooling().

Referenced by CDBPoolBalancer::CDBPoolBalancer(), and CDBPoolBalancer::x_TryPool().

x_TryPool()

IBalanceable * CDBPoolBalancer::x_TryPool ( const void *  params )

overrideprotectedvirtual

Reimplemented from CPoolBalancer.

Definition at line 134 of file dbapi_pool_balancer.cpp.

References _ASSERT, conn, IDBConnectionFactory::CtxMakeConnection(), IDBServiceInfo::GetMappedServer(), CDBPoolBalancer::m_DriverCtx, CDBPoolBalancer::m_ServiceInfo, CPoolBalancer::x_NoPooling(), and CDBPoolBalancer::x_ReinitFromCounts().

Variable Documentation

m_DriverCtx

I_DriverContext* CDBPoolBalancer::m_DriverCtx

private

Definition at line 84 of file dbapi_pool_balancer.hpp.

Referenced by CDBPoolBalancer::x_Discard(), CDBPoolBalancer::x_GetCount(), CDBPoolBalancer::x_ReinitFromCounts(), and CDBPoolBalancer::x_TryPool().

m_IsPooled

bool CDBPoolBalancer::m_IsPooled

private

Definition at line 85 of file dbapi_pool_balancer.hpp.

m_PoolName

string CDBPoolBalancer::m_PoolName

private

Definition at line 83 of file dbapi_pool_balancer.hpp.

Referenced by CDBPoolBalancer::x_ReinitFromCounts().

m_ServiceInfo

CRef<IDBServiceInfo> CDBPoolBalancer::m_ServiceInfo

private

Definition at line 82 of file dbapi_pool_balancer.hpp.

Referenced by CDBPoolBalancer::x_ReinitFromCounts(), and CDBPoolBalancer::x_TryPool().