TVirtualDiskVboxImage
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Return to Unit VirtualDisk
Description
To be documented
Class definitions
TVirtualDiskVboxImage = class(TVirtualDiskImage)
constructor Create(ADriver:TFileSysDriver; AController:TDiskController; const AName:String; AImageNo:Integer);
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destructor Destroy; override;
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private
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function GetAttributes:LongWord;
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protected
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function GetReady:Boolean; override;
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function GetCylinders:LongWord; override;
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function GetHeads:LongWord; override;
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function GetSectors:LongWord; override;
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function GetSectorSize:Word; override;
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function GetSectorCount:Int64; override;
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function ReadExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; var ABuffer):Word; override;
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function WriteExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; const ABuffer):Word; override;
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function LoadExtents:Boolean; override;
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function CheckExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):Boolean; override;
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function LoadExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent; override;
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function AddExtent(AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent; override;
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function SetExtent(AExtent:TVirtualDiskExtent):Boolean; override;
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function GetExtent(const ASector:Int64; AWrite,ALock:Boolean):TVirtualDiskExtent; override;
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function LoadTables:Boolean; override;
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function LoadTable(AExtent:TVirtualDiskExtent; ATableNo:LongWord):TVirtualDiskTable; override;
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function AddTable(AExtent:TVirtualDiskExtent):TVirtualDiskTable; override;
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function SetTable(ATable:TVirtualDiskTable):Boolean; override;
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function LocateDelta(AExtent:TVirtualDiskExtent):String; override;
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function LocateParent(AExtent:TVirtualDiskExtent):String; override;
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public
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function ImageInit:Boolean; override;
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function Read(ASector:LongWord; ACount:Word; var ABuffer):Boolean; override;
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function Write(ASector:LongWord; ACount:Word; const ABuffer):Boolean; override;
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function Allocated(ASector:LongWord; ACount:Word):Word; override;
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function CreateImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer; override;
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function OpenImage(AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64; ACylinders,AHeads,ASectors:LongWord; APartitionId:Byte):Integer; override;
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function CloseImage:Boolean; override;
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function ResizeImage(const ASectorCount:Int64):Boolean; override;
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function CreateSnapshot:Boolean; override;
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function DeleteSnapshot:Boolean; override;
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function MergeSnapshot:Boolean; override;
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Function declarations
constructor TVirtualDiskVboxImage.Create(ADriver:TFileSysDriver; AController:TDiskController; const AName:String; AImageNo:Integer);
Description: To be documented
| Note | None documented |
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destructor TVirtualDiskVboxImage.Destroy;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetAttributes:LongWord;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetReady:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetCylinders:LongWord;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetHeads:LongWord;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetSectors:LongWord;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetSectorSize:Word;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.GetSectorCount:Int64;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.ReadExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; var ABuffer):Word;
Description: To be documented
| Note | Caller must hold the extent lock |
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function TVirtualDiskVboxImage.WriteExtent(AExtent:TVirtualDiskExtent; ASector:LongWord; ACount:Word; const ABuffer):Word;
Description: To be documented
| Note | Caller must hold the extent lock |
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function TVirtualDiskVboxImage.LoadExtents:Boolean;
Description: To be documented
| Note | None documented |
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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.
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function TVirtualDiskVboxImage.LoadExtent(ADelta,AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.AddExtent(AParent:TVirtualDiskExtent; const AFilename:String):TVirtualDiskExtent;
Description: To be documented
| Note | Caller must hold the parent lock |
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function TVirtualDiskVboxImage.SetExtent(AExtent:TVirtualDiskExtent):Boolean;
Description: To be documented
| Note | Caller must hold the extent lock |
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function TVirtualDiskVboxImage.GetExtent(const ASector:Int64; AWrite,ALock:Boolean):TVirtualDiskExtent;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.LoadTables:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.LoadTable(AExtent:TVirtualDiskExtent; ATableNo:LongWord):TVirtualDiskTable;
Description: To be documented
| Note | Caller must hold the extent tables writer lock |
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function TVirtualDiskVboxImage.AddTable(AExtent:TVirtualDiskExtent):TVirtualDiskTable;
Description: To be documented
| Note | Caller must hold the extent lock |
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function TVirtualDiskVboxImage.SetTable(ATable:TVirtualDiskTable):Boolean;
Description: To be documented
| Note | Caller must hold the table extent lock |
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function TVirtualDiskVboxImage.LocateDelta(AExtent:TVirtualDiskExtent):String;
Description: To be documented
| Note | Caller must hold the extent lock |
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function TVirtualDiskVboxImage.LocateParent(AExtent:TVirtualDiskExtent):String;
Description: To be documented
| Note | Caller must hold the extent lock |
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function TVirtualDiskVboxImage.ImageInit:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.Read(ASector:LongWord; ACount:Word; var ABuffer):Boolean;
Description: To be documented
| Note | Caller must hold the image lock |
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function TVirtualDiskVboxImage.Write(ASector:LongWord; ACount:Word; const ABuffer):Boolean;
Description: To be documented
| Note | Caller must hold the image lock |
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function TVirtualDiskVboxImage.Allocated(ASector:LongWord; ACount:Word):Word;
Description: To be documented
| Note | None documented |
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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 |
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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 |
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function TVirtualDiskVboxImage.CloseImage:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.ResizeImage(const ASectorCount:Int64):Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.CreateSnapshot:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.DeleteSnapshot:Boolean;
Description: To be documented
| Note | None documented |
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function TVirtualDiskVboxImage.MergeSnapshot:Boolean;
Description: To be documented
| Note | None documented |
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