#include <Ext2Symlink.h>

Inheritance diagram for Ext2Symlink:

Collaboration diagram for Ext2Symlink:

Public Member Functions
	Ext2Symlink (const String &name, uintptr_t inode_num, Inode inode, class Ext2Filesystem pFs, File *pParent=0)

virtual	~Ext2Symlink ()

virtual uint64_t	readBytewise (uint64_t location, uint64_t size, uintptr_t buffer, bool canBlock)

virtual uint64_t	writeBytewise (uint64_t location, uint64_t size, uintptr_t buffer, bool canBlock)

void	truncate ()

void	fileAttributeChanged ()

Public Member Functions inherited from Symlink
	Symlink ()

	Symlink (const Symlink &file)

	Symlink (const String &name, Time::Timestamp accessedTime, Time::Timestamp modifiedTime, Time::Timestamp creationTime, uintptr_t inode, class Filesystem pFs, size_t size, File pParent)

virtual	~Symlink ()

virtual bool	isSymlink ()

int	followLink (char *pBuffer, size_t bufLen)

File *	followLink ()

Public Member Functions inherited from File
	File ()

	File (const String &name, Time::Timestamp accessedTime, Time::Timestamp modifiedTime, Time::Timestamp creationTime, uintptr_t inode, class Filesystem pFs, size_t size, File pParent)

virtual	~File ()

virtual uint64_t	read (uint64_t location, uint64_t size, uintptr_t buffer, bool bCanBlock=true) final

virtual uint64_t	write (uint64_t location, uint64_t size, uintptr_t buffer, bool bCanBlock=true) final

virtual physical_uintptr_t	getPhysicalPage (size_t offset)

virtual void	returnPhysicalPage (size_t offset)

virtual void	sync ()

virtual void	sync (size_t offset, bool async)

Time::Timestamp	getCreationTime ()

void	setCreationTime (Time::Timestamp t)

Time::Timestamp	getAccessedTime ()

void	setAccessedTime (Time::Timestamp t)

Time::Timestamp	getModifiedTime ()

void	setModifiedTime (Time::Timestamp t)

String	getName () const

void	getName (String &s) const

virtual String	getFullPath (bool bWithLabel=true)

size_t	getSize ()

void	setSize (size_t sz)

virtual bool	isDirectory ()

virtual bool	isPipe () const

virtual bool	isFifo () const

virtual bool	isSocket () const

uintptr_t	getInode () const

virtual void	setInode (uintptr_t inode)

Filesystem *	getFilesystem () const

void	setFilesystem (Filesystem *pFs)

virtual void	increaseRefCount (bool bIsWriter)

virtual void	decreaseRefCount (bool bIsWriter)

void	setPermissions (uint32_t perms)

uint32_t	getPermissions () const

void	setUid (size_t uid)

size_t	getUid () const

void	setGid (size_t gid)

size_t	getGid () const

File *	getParent () const

virtual int	select (bool bWriting=false, int timeout=0)

void	monitor (Thread pThread, Event pEvent)

void	cullMonitorTargets (Thread *pThread)

virtual bool	supports (const size_t command) const

virtual int	command (const size_t command, void *buffer)

virtual size_t	getBlockSize () const

void	enableDirect ()

void	disableDirect ()

virtual void	preallocate (size_t expectedSize, bool zero=true)

virtual File *	open ()

Public Member Functions inherited from Ext2Node
	Ext2Node (uintptr_t inode_num, Inode pInode, class Ext2Filesystem pFs)

virtual	~Ext2Node ()

Inode *	getInode ()

uint32_t	getInodeNumber ()

void	fileAttributeChanged (size_t size, size_t atime, size_t mtime, size_t ctime)

void	updateMetadata (uint16_t uid, uint16_t gid, uint32_t perms)

void	wipe ()

void	extend (size_t newSize)

void	extend (size_t newSize, uint64_t location, uint64_t size)

uintptr_t	readBlock (uint64_t location)

void	writeBlock (uint64_t location)

void	trackBlock (uint32_t block)

void	pinBlock (uint64_t location)

void	unpinBlock (uint64_t location)

void	sync (size_t offset, bool async)

Private Member Functions
	Ext2Symlink (const Ext2Symlink &file)

Ext2Symlink &	operator= (const Ext2Symlink &)

Additional Inherited Members
Static Public Member Functions inherited from Symlink
static Symlink *	fromFile (File *pF)

Protected Member Functions inherited from Symlink
void	initialise (bool bForce=false)

virtual bool	isBytewise () const

Protected Member Functions inherited from File
virtual uintptr_t	readBlock (uint64_t location)

virtual void	writeBlock (uint64_t location, uintptr_t addr)

virtual void	extend (size_t newSize)

virtual void	extend (size_t newSize, uint64_t location, uint64_t size)

void	dataChanged ()

void	getFilesystemLabel (HugeStaticString &s)

virtual void	pinBlock (uint64_t location)

virtual void	unpinBlock (uint64_t location)

void	evict (uint64_t location)

void	setPermissionsOnly (uint32_t perms)

void	setUidOnly (size_t uid)

void	setGidOnly (size_t gid)

Protected Member Functions inherited from Ext2Node
bool	ensureLargeEnough (size_t size, uint64_t location, uint64_t opsize, bool onlyBlocks=false, bool nozeroblocks=false)

bool	addBlock (uint32_t blockValue)

bool	ensureBlockLoaded (size_t nBlock)

bool	getBlockNumber (size_t nBlock)

bool	getBlockNumberIndirect (uint32_t inode_block, size_t nBlocks, size_t nBlock)

bool	getBlockNumberBiindirect (uint32_t inode_block, size_t nBlocks, size_t nBlock)

bool	getBlockNumberTriindirect (uint32_t inode_block, size_t nBlocks, size_t nBlock)

bool	setBlockNumber (size_t blockNum, uint32_t blockValue)

uint32_t	modeToPermissions (uint32_t mode) const

uint32_t	permissionsToMode (uint32_t permissions) const

Static Protected Member Functions inherited from File
static void	writeCallback (CacheConstants::CallbackCause cause, uintptr_t loc, uintptr_t page, void *meta)

Protected Attributes inherited from Symlink
File *	m_pCachedSymlink

String	m_sTarget

Protected Attributes inherited from File
String	m_Name

Time::Timestamp	m_AccessedTime

Time::Timestamp	m_ModifiedTime

Time::Timestamp	m_CreationTime

uintptr_t	m_Inode

class Filesystem *	m_pFilesystem

size_t	m_Size

File *	m_pParent

size_t	m_nWriters

size_t	m_nReaders

size_t	m_Uid

size_t	m_Gid

uint32_t	m_Permissions

HashTable< DataCacheKey, uintptr_t >	m_DataCache

bool	m_bDirect

Cache	m_FillCache

Mutex	m_Lock

List< MonitorTarget * >	m_MonitorTargets

Protected Attributes inherited from Ext2Node
Inode *	m_pInode

uint32_t	m_InodeNumber

class Ext2Filesystem *	m_pExt2Fs

Vector< uint32_t >	m_Blocks

uint32_t	m_nMetadataBlocks

size_t	m_nSize

Detailed Description

A File is a file, a directory or a symlink.

Definition at line 32 of file Ext2Symlink.h.

Constructor & Destructor Documentation

Ext2Symlink::Ext2Symlink ( const Ext2Symlink & file )

private

Copy constructors are hidden - unused!

Ext2Symlink::Ext2Symlink	(	const String &	name,
		uintptr_t	inode_num,
		Inode *	inode,
		class Ext2Filesystem *	pFs,
		File *	pParent = `0`
	)

Constructor, should be called only by a Filesystem.

Definition at line 30 of file Ext2Symlink.cc.

References File::setGidOnly(), File::setPermissionsOnly(), and File::setUidOnly().

Ext2Symlink::~Ext2Symlink ( )

virtual

Destructor

Definition at line 47 of file Ext2Symlink.cc.

Member Function Documentation

void Ext2Symlink::fileAttributeChanged ( )

virtual

Updates inode attributes.

Reimplemented from File.

Definition at line 111 of file Ext2Symlink.cc.

References Ext2Node::updateMetadata().

uint64_t Ext2Symlink::readBytewise	(	uint64_t	location,
		uint64_t	size,
		uintptr_t	buffer,
		bool	bCanBlock
	)

virtual

Reads bytes from the file, if isBytewise() == true.

Reimplemented from File.

Definition at line 51 of file Ext2Symlink.cc.

References Ext2Filesystem::m_BlockSize, and WARNING.

void Ext2Symlink::truncate ( )

virtual

Delete all data from the file.

Reimplemented from File.

Definition at line 105 of file Ext2Symlink.cc.

References Ext2Node::wipe().

uint64_t Ext2Symlink::writeBytewise	(	uint64_t	location,
		uint64_t	size,
		uintptr_t	buffer,
		bool	bCanBlock
	)

virtual

Writes bytes to the file, if isBytewise() == true.

Reimplemented from File.

Definition at line 84 of file Ext2Symlink.cc.

References Ext2Filesystem::m_BlockSize, and WARNING.

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

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation