Difference between revisions of "Unit ARP"
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=== Function declarations === | === Function declarations === | ||
Revision as of 02:32, 30 December 2016
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Description
Ultibo ARP (Address Resolution Protocol) unit
To be documented
Constants
ARP specific constants
ARP_TRANSPORT_*, RARP_TRANSPORT_* ARP_TRANSPORT_NAME = 'ARP';
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RARP_TRANSPORT_NAME = 'RARP';
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ARP and RARP constants
MIN_*, MAX_*, ARP_*, RARP_* MIN_ARP_PACKET = 46;
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Not Counting Adapter Header |
MAX_ARP_PACKET = 46;
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Not Counting Adapter Header |
ARP_TIMEOUT = 1000;
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We wait for 1 second approx for reply |
ARP_RETRIES = 4;
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We try the request 4 times |
RARP_TIMEOUT = 4000;
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We wait for 4 seconds for a RARP reply |
RARP_RETRIES = 4;
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We try the request 4 times |
ARP_HEADER_SIZE = 46;
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SizeOf(TARPHeader); |
RARP_HEADER_SIZE = 46;
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SizeOf(TRARPHeader); |
ARP and RARP messages
ARP_*, RARP_*, INARP_* ARP_REQUEST = $0001;
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ARP/RARP op codes, Request |
ARP_REPLY = $0002;
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ARP/RARP op codes, Reply |
RARP_REQUEST = $0003;
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RARP_REPLY = $0004;
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INARP_REQUEST = $0008;
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Inverse ARP see RFC 1293 |
INARP_REPLY = $0009;
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Type definitions
To be documented
Public variables
None defined
Function declarations
Initialization functions
procedure ARPInit;
Description: To be documented
| Note | None documented |
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ARP functions
function CheckARP(ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid ARP packet
| Buffer | Buffer points to the complete packet without Adapter header |
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function CheckRARP(ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid RARP packet
| Buffer | Buffer points to the complete packet without Adapter header |
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