TUDPBuffer

Return to Unit UDP

Description

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To be documented

Class definitions

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TUDPBuffer = class(TSocketBuffer)

constructor Create(ASocket:TTransportSocket);
destructor Destroy; override;
private
FOffset:Word;	Offset to RemoteAddress
FLength:Word;	Length of RemoteAddress
FRead:Pointer;	Pointer to Next Read from Buffer
FWrite:Pointer;	Pointer to Next Write to Buffer
FCount:LongWord;	Number of Datagrams in Buffer
FFirst:PUDPDatagram;	Pointer to First Datagram
FLast:PUDPDatagram;	Pointer to Last Datagram
function AddDatagram(ASize:Integer):Boolean;
function RemoveDatagram:Boolean;
procedure FlushDatagrams;
protected
procedure SetSize(ASize:LongWord); override;
public
function GetNext:Integer;
function GetCount:LongWord;
function ReadBuffer(var ABuffer; var ASize:Integer; ARemoteAddress:Pointer; ARemotePort:PWORD; AFlags:Integer):Boolean;
function WriteBuffer(var ABuffer; ASize:Integer; ARemoteAddress:Pointer; ARemotePort:PWORD):Boolean;

Function declarations

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constructor TUDPBuffer.Create(ASocket:TTransportSocket);

Description: To be documented

Note	None documented

destructor TUDPBuffer.Destroy;

Description: To be documented

Note	None documented

function TUDPBuffer.AddDatagram(ASize:Integer):Boolean;

Description: Adds a new Datagram as the Last datagram in the Buffer

Note	None documented

function TUDPBuffer.RemoveDatagram:Boolean;

Description: Removes the First datagram from the Buffer

Note	None documented

procedure TUDPBuffer.FlushDatagrams;

Description: To be documented

Note	None documented

procedure TUDPBuffer.SetSize(ASize:LongWord);

Description: Setting the Size clears any current Datagrams

Note	None documented

function TUDPBuffer.GetNext:Integer;

Description: To be documented

Note	None documented

function TUDPBuffer.GetCount:LongWord;

Description: To be documented

Note	None documented

function TUDPBuffer.ReadBuffer(var ABuffer; var ASize:Integer; ARemoteAddress:Pointer; ARemotePort:PWORD; AFlags:Integer):Boolean;

Description: Stored Datagram contains the Data without the Headers

Note	Passed Size contains size of Buffer and should return the size of Datagram Flags is for MSG_PEEK and MSG_OOB when applicable

function TUDPBuffer.WriteBuffer(var ABuffer; ASize:Integer; ARemoteAddress:Pointer; ARemotePort:PWORD):Boolean;

Description: Supplied Buffer contains the Data without the Headers

Note	Data that will not fit in the Buffer is simply discarded

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