Difference between revisions of "Unit ARP"

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'''Ultibo ARP (Address Resolution Protocol) unit'''
 
'''Ultibo ARP (Address Resolution Protocol) unit'''
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''To be documented''
 
  
 
=== Constants ===
 
=== Constants ===
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'''ARP transport adapter'''
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'''ARP specific classes'''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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<code>TARPTransportAdapter = class(TTransportAdapter)</code>
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
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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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|-
 
|-
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| <code>constructor Create;</code>
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| [[TARPTransportAdapter|<code>TARPTransportAdapter = class(TTransportAdapter)</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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|}
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 
|-
 
|-
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| <code>UseCount:Integer;</code>
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| [[TARPTransport|<code>TARPTransport = class(TNetworkTransport)</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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'''ARP transport'''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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<code> TARPTransport = class(TNetworkTransport)</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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|-
 
|-
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| <code>constructor Create(AManager:TTransportManager; const AName:String);</code>
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| [[TARPAddressEntry|<code>TARPAddressEntry = class(TAddressEntry)</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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|}
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| &nbsp;
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 
|-
 
|-
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|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
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| [[TRARPTransportAdapter|<code>TRARPTransportAdapter = class(TTransportAdapter)</code>]]
 
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|-
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| <code>FAddresses:TNetworkList;</code>
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|}
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| &nbsp;
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 
|-
 
|-
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| <code>FAddressAdd:TEventHandle;</code>
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| [[TRARPTransport|<code>TRARPTransport = class(TNetworkTransport)</code>]]
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| &nbsp;
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|-
 
|-
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| <code>FAddressRemove:TEventHandle;</code>
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|}
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| &nbsp;
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 
|-
 
|-
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|colspan="2"|&nbsp;
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| [[TRARPAddressEntry|<code>TRARPAddressEntry = class(TAddressEntry)</code>]]
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|-
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| <code>function PacketHandler(AHandle:THandle; ASource,ADest,APacket:Pointer; ASize:Integer; ABroadcast:Boolean):Boolean;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>function SendARPRequest(AAdapter:TARPTransportAdapter; ASource:TARPAddressEntry; const ATarget:TInAddr):Boolean;</code>
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| &nbsp;
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|-
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| <code>function SendARPReply(AAdapter:TARPTransportAdapter; ASource,ATarget:TARPAddressEntry):Boolean;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>function SendINARPRequest(AAdapter:TARPTransportAdapter; ASource:TARPAddressEntry; const ATarget:THardwareAddress):Boolean;</code>
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| &nbsp;
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| <code>function SendINARPReply(AAdapter:TARPTransportAdapter; ASource,ATarget:TARPAddressEntry):Boolean;</code>
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| &nbsp;
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|-
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|colspan="2"|<div style="font-family: monospace,courier;">'''protected'''</div>
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|-
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| <code>function GetAddressByAddress(const AAddress:TInAddr; AAdapter:TNetworkAdapter; ALock:Boolean; AState:LongWord):TARPAddressEntry;</code>
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| &nbsp;
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|-
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| <code>function GetAddressByHardware(const AHardware:THardwareAddress; AAdapter:TNetworkAdapter; ALock:Boolean; AState:LongWord):TARPAddressEntry;</code>
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| &nbsp;
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|-
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| <code>function GetAddressByNext(APrevious:TARPAddressEntry; ALock,AUnlock:Boolean; AState:LongWord):TARPAddressEntry;</code>
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| &nbsp;
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|-
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| <code>function AddAddress(const AAddress:TInAddr; const AHardware:THardwareAddress; AAdapter:TNetworkAdapter; AType:Word; ALock:Boolean; AState:LongWord):TARPAddressEntry;</code>
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| &nbsp;
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|-
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| <code>function RemoveAddress(const AAddress:TInAddr; AAdapter:TNetworkAdapter):Boolean;</code>
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| &nbsp;
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|-
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| <code>procedure FlushAddresses(All:Boolean);</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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|-
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| <code>function AddAdapter(AAdapter:TNetworkAdapter; AConfigType:Word; AAddress,ANetmask,AGateway,AServer:Pointer):Boolean; override;</code>
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| &nbsp;
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| <code>function RemoveAdapter(AAdapter:TNetworkAdapter):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 StartTransport:Boolean; override;</code>
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| &nbsp;
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| <code>function StopTransport:Boolean; override;</code>
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| &nbsp;
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|-
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| <code>function ProcessTransport:Boolean; override;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>function BindTransport(AAdapter:TNetworkAdapter):Boolean; override;</code>
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| &nbsp;
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|-
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| <code>function UnbindTransport(AAdapter:TNetworkAdapter):Boolean; override;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>function LoadAddress(AAdapter:TNetworkAdapter; const AAddress:TInAddr; const AHardware:THardwareAddress; AType:Word):Boolean;</code>
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| &nbsp;
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|-
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| <code>function UnloadAddress(AAdapter:TNetworkAdapter; const AAddress:TInAddr):Boolean;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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|-
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| <code>function ResolveAddress(AAdapter:TNetworkAdapter; const ASource,AAddress:TInAddr; var AHardware:THardwareAddress):Boolean;</code>
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| &nbsp;
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|-
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| <code>function ResolveHardware(AAdapter:TNetworkAdapter; const ASource:TInAddr; const AHardware:THardwareAddress; var AAddress:TInAddr):Boolean;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>function ConfirmAddress(AAdapter:TNetworkAdapter; const ASource,AAddress:TInAddr):Boolean;</code>
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| &nbsp;
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| <code>function AdvertiseAddress(AAdapter:TNetworkAdapter; const ASource:TInAddr):Boolean;</code>
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| &nbsp;
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|-
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|colspan="2"|&nbsp;
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|-
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| <code>function CompareDefault(const AAddress:TInAddr):Boolean;</code>
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| &nbsp;
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|-
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| <code>function CompareAddress(const AAddress1,AAddress2:TInAddr):Boolean;</code>
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| &nbsp;
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|-
 
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|}
 
|}
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</div></div>
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<br />
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=== Public variables ===
 
=== Public variables ===
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
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|-
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
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! '''Buffer'''
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! Buffer
 
| Buffer points to the complete packet without Adapter header
 
| Buffer points to the complete packet without Adapter header
 
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
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! '''Buffer'''
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! Buffer
 
| Buffer points to the complete packet without Adapter header
 
| Buffer points to the complete packet without Adapter header
 
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|-

Latest revision as of 05:20, 31 August 2021

Return to Unit Reference


Description

Ultibo ARP (Address Resolution Protocol) unit

Constants


[Expand]
ARP specific constants ARP_TRANSPORT_*, RARP_TRANSPORT_*


[Expand]
ARP and RARP constants MIN_*, MAX_*, ARP_*, RARP_*


[Expand]
ARP and RARP messages ARP_*, RARP_*, INARP_*


Type definitions


ARP specific types

[Expand]

PARPHeader = ^TARPHeader;

TARPHeader = packed record

RARP specific types

[Expand]

PRARPHeader = ^TRARPHeader;

TRARPHeader = TARPHeader;


Class definitions


ARP specific classes

TARPTransportAdapter = class(TTransportAdapter)
TARPTransport = class(TNetworkTransport)
TARPAddressEntry = class(TAddressEntry)
TRARPTransportAdapter = class(TTransportAdapter)
TRARPTransport = class(TNetworkTransport)
TRARPAddressEntry = class(TAddressEntry)


Public variables

None defined

Function declarations


Initialization functions

[Expand] 
procedure ARPInit;
Description: To be documented


ARP functions

[Expand] 
function CheckARP(ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid ARP packet


[Expand] 
function CheckRARP(ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid RARP packet


Return to Unit Reference

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