TDiskFormatter

Return to Unit Filesystem

Description

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To be documented

Class definitions

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TDiskFormatter = class(TObject)

constructor Create(ADriver:TFileSysDriver; ARecognizer:TRecognizer);
destructor Destroy; override;
private
FLock:TSynchronizerHandle;
FLocalLock:TMutexHandle;
protected
FDriver:TFileSysDriver;
FRecognizer:TRecognizer;
function AcquireLock:Boolean;
function ReleaseLock:Boolean;
function FillSectors(AVolume:TDiskVolume; ADrive:TDiskDrive; ASector,ACount:LongWord; AValue:Byte):Boolean;
function ReadSectors(AVolume:TDiskVolume; ADrive:TDiskDrive; ASector,ACount:LongWord; var ABuffer):Boolean;
function WriteSectors(AVolume:TDiskVolume; ADrive:TDiskDrive; ASector,ACount:LongWord; const ABuffer):Boolean;
public
function ReaderLock:Boolean;
function ReaderUnlock:Boolean;
function WriterLock:Boolean;
function WriterUnlock:Boolean;
function AcceptVolume(AVolume:TDiskVolume; AFloppyType:TFloppyType; AFileSysType:TFileSysType):Boolean; virtual;
function FormatVolume(AVolume:TDiskVolume; AFloppyType:TFloppyType; AFileSysType:TFileSysType):Boolean; virtual;

Function declarations

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constructor TDiskFormatter.Create(ADriver:TFileSysDriver; ARecognizer:TRecognizer);

Description: To be documented

Note	None documented

destructor TDiskFormatter.Destroy;

Description: To be documented

Note	None documented

function TDiskFormatter.AcquireLock:Boolean;

Description: To be documented

Note	None documented

function TDiskFormatter.ReleaseLock:Boolean;

Description: To be documented

Note	None documented

function TDiskFormatter.FillSectors(AVolume:TDiskVolume; ADrive:TDiskDrive; ASector,ACount:LongWord; AValue:Byte):Boolean;

Description: Fill specified number of sectors with the supplied value

Sector	Sector is relative to the StartSector of the Volume

function TDiskFormatter.ReadSectors(AVolume:TDiskVolume; ADrive:TDiskDrive; ASector,ACount:LongWord; var ABuffer):Boolean;

Description: Read Sectors from the Volume using Cache

Sector	Sector is relative to the StartSector of the Volume
Note	Caller must hold the volume and drive lock, cache will serialize access to device.

function TDiskFormatter.WriteSectors(AVolume:TDiskVolume; ADrive:TDiskDrive; ASector,ACount:LongWord; const ABuffer):Boolean;

Description: Write Sectors to the Volume using Cache

Sector	Sector is relative to the StartSector of the Volume
Note	Caller must hold the volume and drive lock, cache will serialize access to device.

function TDiskFormatter.ReaderLock:Boolean;

Description: To be documented

Note	None documented

function TDiskFormatter.ReaderUnlock:Boolean;

Description: To be documented

Note	None documented

function TDiskFormatter.WriterLock:Boolean;

Description: To be documented

Note	None documented

function TDiskFormatter.WriterUnlock:Boolean;

Description: To be documented

Note	None documented

function TDiskFormatter.AcceptVolume(AVolume:TDiskVolume; AFloppyType:TFloppyType; AFileSysType:TFileSysType):Boolean;

Description: Check if the Volume can be accepted for Format

Note	Caller must hold the volume lock

function TDiskFormatter.FormatVolume(AVolume:TDiskVolume; AFloppyType:TFloppyType; AFileSysType:TFileSysType):Boolean;

Description: Format the specified Volume

Note	Caller must hold the volume writer lock

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