CWalletDBWrapper Class Reference

An instance of this class represents one database. More...

#include <db.h>

Collaboration diagram for CWalletDBWrapper:

Public Member Functions
	CWalletDBWrapper ()
	Create dummy DB handle. More...
	CWalletDBWrapper (CDBEnv *env_in, const std::string &strFile_in)
	Create DB handle to real database. More...
bool	Rewrite (const char *pszSkip=nullptr)
	Rewrite the entire database on disk, with the exception of key pszSkip if non-zero. More...
bool	Backup (const std::string &strDest)
	Back up the entire database to a file. More...
std::string	GetName () const
	Get a name for this database, for debugging etc. More...
void	Flush (bool shutdown)
	Make sure all changes are flushed to disk. More...
void	IncrementUpdateCounter ()

Public Attributes
std::atomic< unsigned int >	nUpdateCounter
unsigned int	nLastSeen
unsigned int	nLastFlushed
int64_t	nLastWalletUpdate

Private Member Functions
bool	IsDummy ()
	Return whether this database handle is a dummy for testing. More...

Private Attributes
CDBEnv *	env
	BerkeleyDB specific. More...
std::string	strFile

Friends
class	CDB

Detailed Description

An instance of this class represents one database.

For BerkeleyDB this is just a (env, strFile) tuple.

Definition at line 93 of file db.h.

Constructor & Destructor Documentation

CWalletDBWrapper::CWalletDBWrapper ( )

inline

Create dummy DB handle.

Definition at line 98 of file db.h.

CWalletDBWrapper::CWalletDBWrapper ( CDBEnv *  env_in, const std::string &  strFile_in  )

inline

Create DB handle to real database.

Definition at line 103 of file db.h.

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Member Function Documentation

bool CWalletDBWrapper::Backup

(

const std::string &

strDest

)

Back up the entire database to a file.

Definition at line 686 of file db.cpp.

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void CWalletDBWrapper::Flush

(

bool

shutdown

)

Make sure all changes are flushed to disk.

Definition at line 728 of file db.cpp.

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std::string CWalletDBWrapper::GetName ( ) const

inline

Get a name for this database, for debugging etc.

Definition at line 118 of file db.h.

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void CWalletDBWrapper::IncrementUpdateCounter

(

)

Definition at line 470 of file db.cpp.

bool CWalletDBWrapper::IsDummy ( )

inlineprivate

Return whether this database handle is a dummy for testing.

Only to be used at a low level, application should ideally not care about this.

Definition at line 140 of file db.h.

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bool CWalletDBWrapper::Rewrite

(

const char *

pszSkip = nullptr

)

Rewrite the entire database on disk, with the exception of key pszSkip if non-zero.

Definition at line 681 of file db.cpp.

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Friends And Related Function Documentation

friend class CDB

friend

Definition at line 95 of file db.h.

Member Data Documentation

CDBEnv* CWalletDBWrapper::env

private

BerkeleyDB specific.

Definition at line 133 of file db.h.

unsigned int CWalletDBWrapper::nLastFlushed

Definition at line 128 of file db.h.

unsigned int CWalletDBWrapper::nLastSeen

Definition at line 127 of file db.h.

int64_t CWalletDBWrapper::nLastWalletUpdate

Definition at line 129 of file db.h.

std::atomic<unsigned int> CWalletDBWrapper::nUpdateCounter

Definition at line 126 of file db.h.

std::string CWalletDBWrapper::strFile

private

Definition at line 134 of file db.h.

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

• src/wallet/db.h
• src/wallet/db.cpp