DiskFile Class Reference

#include <DiskFile.h>

Inheritance diagram for DiskFile:

Collaboration diagram for DiskFile:

Classes
class	Config
	generally useful configuration options supported by some children More...

Public Types
typedef RefCount< DiskFile >	Pointer

Public Member Functions
virtual void	configure (const Config &)
	notes supported configuration options; kids must call this first
virtual void	open (int flags, mode_t mode, RefCount< IORequestor > callback)=0
virtual void	create (int flags, mode_t mode, RefCount< IORequestor > callback)=0
virtual void	read (ReadRequest *)=0
virtual void	write (WriteRequest *)=0
virtual void	close ()=0
virtual bool	canRead () const =0
virtual bool	canWrite () const
virtual int	getFD () const
virtual bool	error () const =0
virtual bool	ioInProgress () const =0

Detailed Description

Definition at line 21 of file DiskFile.h.

Member Typedef Documentation

Pointer

typedef RefCount<DiskFile> DiskFile::Pointer

Definition at line 39 of file DiskFile.h.

Member Function Documentation

canRead()

virtual bool DiskFile::canRead ( ) const

pure virtual

Implemented in BlockingFile, DiskdFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

canWrite()

virtual bool DiskFile::canWrite ( ) const

inlinevirtual

Reimplemented in DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

Definition at line 50 of file DiskFile.h.

close()

virtual void DiskFile::close ( )

pure virtual

Implemented in BlockingFile, DiskdFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

configure()

virtual void DiskFile::configure ( const Config &  )

inlinevirtual

Reimplemented in IpcIoFile.

Definition at line 42 of file DiskFile.h.

Referenced by IpcIoFile::configure().

create()

virtual void DiskFile::create ( int  flags, mode_t  mode, RefCount< IORequestor >  callback  )

pure virtual

Implemented in DiskdFile, BlockingFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

Referenced by Fs::Ufs::UFSStrategy::create().

error()

virtual bool DiskFile::error ( ) const

pure virtual

Implemented in BlockingFile, DiskdFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

Referenced by Fs::Ufs::UFSStrategy::create(), Fs::Ufs::UFSStoreState::ioCompletedNotification(), and Fs::Ufs::UFSStrategy::open().

getFD()

virtual int DiskFile::getFD ( ) const

inlinevirtual

During migration only

Reimplemented in BlockingFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

Definition at line 53 of file DiskFile.h.

ioInProgress()

virtual bool DiskFile::ioInProgress ( ) const

pure virtual

Inform callers if there is IO in progress

Implemented in BlockingFile, DiskdFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

open()

virtual void DiskFile::open ( int  flags, mode_t  mode, RefCount< IORequestor >  callback  )

pure virtual

Implemented in DiskdFile, BlockingFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

Referenced by Fs::Ufs::UFSStrategy::open().

read()

virtual void DiskFile::read ( ReadRequest *  )

pure virtual

Implemented in BlockingFile, DiskdFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

write()

virtual void DiskFile::write ( WriteRequest *  )

pure virtual

Implemented in BlockingFile, DiskdFile, DiskThreadsDiskFile, IpcIoFile, and MmappedFile.

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

• squid/src/DiskIO/DiskFile.h