Difference between revisions of "Unit Loopback"

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'''Ultibo Loopback Network adapter unit'''
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'''Ultibo Loopback Network Adapter unit'''
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''To be documented''
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=== Constants ===
 
=== Constants ===
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'''Loopback adapter'''
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'''Loopback specific classes'''
  
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
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<code>TLoopbackAdapter = class(TNetworkAdapter)</code>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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| <code>constructor Create(AManager:TAdapterManager; ADevice:PNetworkDevice; const AName:String);</code>
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| [[TLoopbackAdapter|<code>TLoopbackAdapter = class(TNetworkAdapter)</code>]]
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| style="width: 50%;"|&nbsp;
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|-
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|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
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| <code>FHardwareAddress:THardwareAddress;</code>
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| &nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
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| <code>function AddTransport(APacketType,AFrameType:Word; const APacketName:String; APacketHandler:TAdapterPacketHandler):THandle; override;</code>
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| &nbsp;
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| <code>function RemoveTransport(AHandle:THandle; APacketType:Word):Boolean; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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| <code>function GetMTU(AHandle:THandle):Word; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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| <code>function SendPacket(AHandle:THandle; ADest:Pointer; APacket:PPacketFragment; ASize:Integer):Boolean; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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|-
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| <code>function GetHardwareAddress(AHandle:THandle):THardwareAddress; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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|-
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| <code>function StartAdapter:Boolean; override;</code>
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| &nbsp;
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| <code>function StopAdapter:Boolean; override;</code>
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| &nbsp;
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| <code>function ProcessAdapter:Boolean; override;</code>
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| &nbsp;
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|}
 
|}
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</div></div>
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
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'''Loopback adapter transport'''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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<code>TLoopbackAdapterTransport = class(TAdapterTransport)</code>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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| <code>constructor Create;</code>
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| style="width: 50%;"|&nbsp;
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|-
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| <code>destructor Destroy; override;</code>
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| &nbsp;
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|-
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|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
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| <code>Buffer:TAdapterBuffer; </code>
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| [[TLoopbackAdapterTransport|<code>TLoopbackAdapterTransport = class(TAdapterTransport)</code>]]
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| &nbsp;
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</div></div> 
 
 
<br />
 
<br />
  
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
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Latest revision as of 05:27, 31 August 2021

Return to Unit Reference


Description

Ultibo Loopback Network Adapter unit

Constants


Loopback specific constants _LOOPBACK_*
MAX_LOOPBACK_BUFFERS = 256; Used for Recv Queues (Increased to Handle Higher Data Rate)
MIN_LOOPBACK_BUFFERS = 4; Used for Send Queues


Type definitions


Loopback buffer

PLoopbackBuffer = ^TLoopbackBuffer;

TLoopbackBuffer = packed record

Size:Word; Size of Data
Data:array[0..MAX_PHYSICAL_PACKET - 3] of Byte; MAX_PHYSICAL_PACKET - Word


Class definitions


Loopback specific classes

TLoopbackAdapter = class(TNetworkAdapter)
TLoopbackAdapterTransport = class(TAdapterTransport)


Public variables

None defined

Function declarations


Initialization functions 

procedure LoopbackInit;
Description: To be documented
Note None documented


Return to Unit Reference

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