TVirtualDiskVboxImage

Return to Unit VirtualDisk

Description

---

To be documented

Class definitions

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TVirtualDiskVboxImage = class(TVirtualDiskImage)

constructor Create(ADriver:TFileSysDriver; AController:TDiskController; const AName:String; AImageNo:Integer);
destructor Destroy; override;
private
function GetAttributes:LongWord;
protected
function GetReady:Boolean; override;
function GetCylinders:LongWord; override;
function GetHeads:LongWord; override;
function GetSectors:LongWord; override;
function GetSectorSize:Word; override;
function GetSectorCount:Int64; override;
function ReadExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; var ABuffer):Word; override;
function WriteExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; const ABuffer):Word; override;
function LoadExtents:Boolean; override;
function CheckExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):Boolean; override;
function LoadExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent; override;
function AddExtent(AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent; override;
function SetExtent(AExtent:TVirtualDiskExtent):Boolean; override;
function GetExtent(const ASector:Int64; AWrite,ALock:Boolean):TVirtualDiskExtent; override;
function LoadTables:Boolean; override;
function LoadTable(AExtent:TVirtualDiskExtent; ATableNo:LongWord):TVirtualDiskTable; override;
function AddTable(AExtent:TVirtualDiskExtent):TVirtualDiskTable; override;
function SetTable(ATable:TVirtualDiskTable):Boolean; override;
function LocateDelta(AExtent:TVirtualDiskExtent):String; override;
function LocateParent(AExtent:TVirtualDiskExtent):String; override;
public
function ImageInit:Boolean; override;
function Read(ASector:LongWord; ACount:Word; var ABuffer):Boolean; override;
function Write(ASector:LongWord; ACount:Word; const ABuffer):Boolean; override;
function Allocated(ASector:LongWord; ACount:Word):Word; override;
function CreateImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer; override;
function OpenImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer; override;
function CloseImage:Boolean; override;
function ResizeImage(const ASectorCount:Int64):Boolean; override;
function CreateSnapshot:Boolean; override;
function DeleteSnapshot:Boolean; override;
function MergeSnapshot:Boolean; override;

Function declarations

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constructor TVirtualDiskVboxImage.Create(ADriver:TFileSysDriver; AController:TDiskController; const AName:String; AImageNo:Integer);

Description: To be documented

Note	None documented

destructor TVirtualDiskVboxImage.Destroy;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetAttributes:LongWord;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetReady:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetCylinders:LongWord;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetHeads:LongWord;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetSectors:LongWord;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetSectorSize:Word;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.GetSectorCount:Int64;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.ReadExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; var ABuffer):Word;

Description: To be documented

Note	Caller must hold the extent lock

function TVirtualDiskVboxImage.WriteExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; const ABuffer):Word;

Description: To be documented

Note	Caller must hold the extent lock

function TVirtualDiskVboxImage.LoadExtents:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.CheckExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):Boolean;

Description: Check that the passed file is a valid VirtualBox extent

Note	If delta is provided, check that passed file is the parent of the delta. If parent is provided, check that passed file is the delta of the parent. Caller must hold the delta and parent locks

function TVirtualDiskVboxImage.LoadExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.AddExtent(AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent;

Description: To be documented

Note	Caller must hold the parent lock

function TVirtualDiskVboxImage.SetExtent(AExtent:TVirtualDiskExtent):Boolean;

Description: To be documented

Note	Caller must hold the extent lock

function TVirtualDiskVboxImage.GetExtent(const ASector:Int64; AWrite,ALock:Boolean):TVirtualDiskExtent;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.LoadTables:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.LoadTable(AExtent:TVirtualDiskExtent; ATableNo:LongWord):TVirtualDiskTable;

Description: To be documented

Note	Caller must hold the extent tables writer lock

function TVirtualDiskVboxImage.AddTable(AExtent:TVirtualDiskExtent):TVirtualDiskTable;

Description: To be documented

Note	Caller must hold the extent lock

function TVirtualDiskVboxImage.SetTable(ATable:TVirtualDiskTable):Boolean;

Description: To be documented

Note	Caller must hold the table extent lock

function TVirtualDiskVboxImage.LocateDelta(AExtent:TVirtualDiskExtent):String;

Description: To be documented

Note	Caller must hold the extent lock

function TVirtualDiskVboxImage.LocateParent(AExtent:TVirtualDiskExtent):String;

Description: To be documented

Note	Caller must hold the extent lock

function TVirtualDiskVboxImage.ImageInit:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.Read(ASector:LongWord; ACount:Word; var ABuffer):Boolean;

Description: To be documented

Note	Caller must hold the image lock

function TVirtualDiskVboxImage.Write(ASector:LongWord; ACount:Word; const ABuffer):Boolean;

Description: To be documented

Note	Caller must hold the image lock

function TVirtualDiskVboxImage.Allocated(ASector:LongWord; ACount:Word):Word;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.CreateImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.OpenImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.CloseImage:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.ResizeImage(const ASectorCount:Int64):Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.CreateSnapshot:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.DeleteSnapshot:Boolean;

Description: To be documented

Note	None documented

function TVirtualDiskVboxImage.MergeSnapshot:Boolean;

Description: To be documented

Note	None documented

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