TIP6Buffer

Return to Unit IPv6

Description

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To be documented

Class definitions

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TIP6Buffer = class(TTransportBufferEx)

Note: Different to Socket Buffer.
constructor Create(ATransport:TNetworkTransport);
destructor Destroy; override;
private
FFirst:PIP6Packet;
FLast:PIP6Packet;
function GetFragment(APacket:PIP6Packet; AOffset:LongWord; ASize:Word):PIP6Fragment;
function AddFragment(APacket:PIP6Packet; AOffset:LongWord; ASize:Word):PIP6Fragment;
function RemoveFragment(APacket:PIP6Packet):Boolean;
procedure FlushFragments(APacket:PIP6Packet);
public
function GetPacket(AId:LongWord; const ASource,ADest:TIn6Addr; ALock:Boolean):PIP6Packet;
function AddPacket(AId:LongWord; const ASource,ADest:TIn6Addr; ALock:Boolean):PIP6Packet;
function RemovePacket(APacket:PIP6Packet):Boolean;
function UnlockPacket(APacket:PIP6Packet):Boolean;
procedure FlushPackets(All:Boolean);
function PutHeader(APacket:PIP6Packet; ABuffer:Pointer; ALength:Word):Boolean;
function PutFragment(APacket:PIP6Packet; ABuffer:Pointer; AOffset,ASize,AFlags:Word):Boolean;

Function declarations

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constructor TIP6Buffer.Create(ATransport:TNetworkTransport);

Description: To be documented

Note	None documented

destructor TIP6Buffer.Destroy;

Description: To be documented

Note	None documented

function TIP6Buffer.GetFragment(APacket:PIP6Packet; AOffset:LongWord; ASize:Word):PIP6Fragment;

Description: Gets the Fragment with matching Offset and Size if any

Note	Caller must hold the Packet lock

function TIP6Buffer.AddFragment(APacket:PIP6Packet; AOffset:LongWord; ASize:Word):PIP6Fragment;

Description: Adds a new Fragment as the Last fragment in the Packet

Note	Caller must hold the Packet lock

function TIP6Buffer.RemoveFragment(APacket:PIP6Packet):Boolean;

Description: Removes the First fragment from the Packet

Note	Caller must hold the Packet lock

procedure TIP6Buffer.FlushFragments(APacket:PIP6Packet);

Description: Removes all fragments from the Packet

Note	Caller must hold the Packet lock

function TIP6Buffer.GetPacket(AId:LongWord; const ASource,ADest:TIn6Addr; ALock:Boolean):PIP6Packet;

Description: Gets the Packet with matching Id, Source and Dest if any

Note	None documented

function TIP6Buffer.AddPacket(AId:LongWord; const ASource,ADest:TIn6Addr; ALock:Boolean):PIP6Packet;

Description: Adds a new Packet as the Last packet in the Buffer

Note	None documented

function TIP6Buffer.RemovePacket(APacket:PIP6Packet):Boolean;

Description: Removes the Packet from the Buffer and release the memory

Note	None documented

function TIP6Buffer.UnlockPacket(APacket:PIP6Packet):Boolean;

Description: Unlock the Packet previously locked by GetPacket or AddPacket

Note	None documented

procedure TIP6Buffer.FlushPackets(All:Boolean);

Description: Removes either all packets or packets which have expired

Note	None documented

function TIP6Buffer.PutHeader(APacket:PIP6Packet; ABuffer:Pointer; ALength:Word):Boolean;

Description: Copies the Packet header from the Buffer to the Packet

Note	Caller must hold the Packet lock

function TIP6Buffer.PutFragment(APacket:PIP6Packet; ABuffer:Pointer; AOffset,ASize,AFlags:Word):Boolean;

Description: Creates a new Fragment and copies the data from the Buffer to the Packet

Note	Caller must hold the Packet lock

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