TUDPBuffer
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Return to Unit UDP
Description
To be documented
Class definitions
TUDPBuffer = class(TSocketBuffer)
constructor Create(ASocket:TTransportSocket);
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destructor Destroy; override;
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private
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FOffset:Word;
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Offset to RemoteAddress |
FLength:Word;
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Length of RemoteAddress |
FRead:Pointer;
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Pointer to Next Read from Buffer |
FWrite:Pointer;
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Pointer to Next Write to Buffer |
FCount:LongWord;
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Number of Datagrams in Buffer |
FFirst:PUDPDatagram;
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Pointer to First Datagram |
FLast:PUDPDatagram;
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Pointer to Last Datagram |
function AddDatagram(ASize:Integer):Boolean;
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function RemoveDatagram:Boolean;
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procedure FlushDatagrams;
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protected
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procedure SetSize(ASize:LongWord); override;
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public
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function GetNext:Integer;
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function GetCount:LongWord;
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function ReadBuffer(var ABuffer; var ASize:Integer; ARemoteAddress:Pointer; ARemotePort:PWORD; AFlags:Integer):Boolean;
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function WriteBuffer(var ABuffer; ASize:Integer; ARemoteAddress:Pointer; ARemotePort:PWORD):Boolean;
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Function declarations
constructor TUDPBuffer.Create(ASocket:TTransportSocket);
Description: To be documented
| Note | None documented |
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destructor TUDPBuffer.Destroy;
Description: To be documented
| Note | None documented |
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function TUDPBuffer.AddDatagram(ASize:Integer):Boolean;
Description: Adds a new Datagram as the Last datagram in the Buffer
| Note | None documented |
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function TUDPBuffer.RemoveDatagram:Boolean;
Description: Removes the First datagram from the Buffer
| Note | None documented |
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procedure TUDPBuffer.FlushDatagrams;
Description: To be documented
| Note | None documented |
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procedure TUDPBuffer.SetSize(ASize:LongWord);
Description: Setting the Size clears any current Datagrams
| Note | None documented |
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function TUDPBuffer.GetNext:Integer;
Description: To be documented
| Note | None documented |
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function TUDPBuffer.GetCount:LongWord;
Description: To be documented
| Note | None documented |
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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 |
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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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