wallet::DummyDatabase Class Reference

A dummy WalletDatabase that does nothing and never fails. More...

Inheritance diagram for wallet::DummyDatabase:

Collaboration diagram for wallet::DummyDatabase:

Public Member Functions
void	Open () override
	Open the database if it is not already opened. More...
void	AddRef () override
	Indicate the a new database user has began using the database. More...
void	RemoveRef () override
	Indicate that database user has stopped using the database and that it could be flushed or closed. More...
bool	Rewrite (const char *pszSkip=nullptr) override
	Rewrite the entire database on disk, with the exception of key pszSkip if non-zero. More...
bool	Backup (const std::string &strDest) const override
	Back up the entire database to a file. More...
void	Close () override
	Flush to the database file and close the database. More...
void	Flush () override
	Make sure all changes are flushed to database file. More...
bool	PeriodicFlush () override
void	IncrementUpdateCounter () override
void	ReloadDbEnv () override
std::string	Filename () override
	Return path to main database file for logs and error messages. More...
std::string	Format () override
std::unique_ptr< DatabaseBatch >	MakeBatch (bool flush_on_close=true) override
	Make a DatabaseBatch connected to this database. More...
Public Member Functions inherited from wallet::WalletDatabase
	WalletDatabase ()
	Create dummy DB handle. More...
virtual	~WalletDatabase ()=default
virtual void	Open ()=0
	Open the database if it is not already opened. More...
virtual void	AddRef ()=0
	Indicate the a new database user has began using the database. More...
virtual void	RemoveRef ()=0
	Indicate that database user has stopped using the database and that it could be flushed or closed. More...
virtual bool	Rewrite (const char *pszSkip=nullptr)=0
	Rewrite the entire database on disk, with the exception of key pszSkip if non-zero. More...
virtual bool	Backup (const std::string &strDest) const =0
	Back up the entire database to a file. More...
virtual void	Flush ()=0
	Make sure all changes are flushed to database file. More...
virtual void	Close ()=0
	Flush to the database file and close the database. More...
virtual bool	PeriodicFlush ()=0
virtual void	IncrementUpdateCounter ()=0
virtual void	ReloadDbEnv ()=0
virtual std::string	Filename ()=0
	Return path to main database file for logs and error messages. More...
virtual std::string	Format ()=0
virtual std::unique_ptr< DatabaseBatch >	MakeBatch (bool flush_on_close=true)=0
	Make a DatabaseBatch connected to this database. More...

Additional Inherited Members
Public Attributes inherited from wallet::WalletDatabase
std::atomic< int >	m_refcount {0}
	Counts the number of active database users to be sure that the database is not closed while someone is using it. More...
std::atomic< unsigned int >	nUpdateCounter
unsigned int	nLastSeen {0}
unsigned int	nLastFlushed {0}
int64_t	nLastWalletUpdate {0}

Detailed Description

A dummy WalletDatabase that does nothing and never fails.

Only used by salvage.

Definition at line 52 of file salvage.cpp.

Member Function Documentation

AddRef()

void wallet::DummyDatabase::AddRef ( )

inlineoverridevirtual

Indicate the a new database user has began using the database.

Increments m_refcount

Implements wallet::WalletDatabase.

Definition at line 56 of file salvage.cpp.

Backup()

bool wallet::DummyDatabase::Backup ( const std::string &  strDest ) const

inlineoverridevirtual

Back up the entire database to a file.

Implements wallet::WalletDatabase.

Definition at line 59 of file salvage.cpp.

Close()

void wallet::DummyDatabase::Close ( )

inlineoverridevirtual

Flush to the database file and close the database.

Also close the environment if no other databases are open in it.

Implements wallet::WalletDatabase.

Definition at line 60 of file salvage.cpp.

Filename()

std::string wallet::DummyDatabase::Filename ( )

inlineoverridevirtual

Return path to main database file for logs and error messages.

Implements wallet::WalletDatabase.

Definition at line 65 of file salvage.cpp.

Flush()

void wallet::DummyDatabase::Flush ( )

inlineoverridevirtual

Make sure all changes are flushed to database file.

Implements wallet::WalletDatabase.

Definition at line 61 of file salvage.cpp.

Format()

std::string wallet::DummyDatabase::Format ( )

inlineoverridevirtual

Implements wallet::WalletDatabase.

Definition at line 66 of file salvage.cpp.

IncrementUpdateCounter()

void wallet::DummyDatabase::IncrementUpdateCounter ( )

inlineoverridevirtual

Implements wallet::WalletDatabase.

Definition at line 63 of file salvage.cpp.

MakeBatch()

std::unique_ptr< DatabaseBatch > wallet::DummyDatabase::MakeBatch ( bool  flush_on_close = true )

inlineoverridevirtual

Make a DatabaseBatch connected to this database.

Implements wallet::WalletDatabase.

Definition at line 67 of file salvage.cpp.

Open()

void wallet::DummyDatabase::Open ( )

inlineoverridevirtual

Open the database if it is not already opened.

Implements wallet::WalletDatabase.

Definition at line 55 of file salvage.cpp.

PeriodicFlush()

bool wallet::DummyDatabase::PeriodicFlush ( )

inlineoverridevirtual

Implements wallet::WalletDatabase.

Definition at line 62 of file salvage.cpp.

ReloadDbEnv()

void wallet::DummyDatabase::ReloadDbEnv ( )

inlineoverridevirtual

Implements wallet::WalletDatabase.

Definition at line 64 of file salvage.cpp.

RemoveRef()

void wallet::DummyDatabase::RemoveRef ( )

inlineoverridevirtual

Indicate that database user has stopped using the database and that it could be flushed or closed.

Decrement m_refcount

Implements wallet::WalletDatabase.

Definition at line 57 of file salvage.cpp.

Rewrite()

bool wallet::DummyDatabase::Rewrite ( const char *  pszSkip = nullptr )

inlineoverridevirtual

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

Implements wallet::WalletDatabase.

Definition at line 58 of file salvage.cpp.

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

• src/wallet/salvage.cpp