Difference between revisions of "Unit IGMP"

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'''Ultibo IGMP (Internet Group Management Protocol) unit'''
 
'''Ultibo IGMP (Internet Group Management Protocol) unit'''
 
''To be documented''
 
  
 
=== Constants ===
 
=== Constants ===

Latest revision as of 05:24, 31 August 2021

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Description


Ultibo IGMP (Internet Group Management Protocol) unit

Constants



[Expand]
IGMP protocol IGMP_PROTOCOL_*


[Expand]
IGMP specific constants IGMP_*


Type definitions



IGMP header

[Expand]

PIGMPHeader = ^TIGMPHeader;

TIGMPHeader = packed record

IGMP packet

[Expand]

PIGMPPacket = ^TIGMPPacket;

TIGMPPacket = record


Class definitions



IGMP specific classes

TIGMPProtocolTransport = class(TProtocolTransport)
TIGMPProtocol = class(TNetworkProtocol)
TIGMPGroup = class(TListObject)
TIGMPSocket = class(TProtocolSocket)
TIGMPBuffer = class(TSocketBuffer)


Public variables


None defined

Function declarations



Initialization functions

[Expand]
procedure IGMPInit;
Description: To be documented


IGMP functions

[Expand]
function CheckIGMP(AFamily:Word; ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid IGMP packet


[Expand]
function GetIGMPHeaderOffset(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented


[Expand]
function GetIGMPHeaderLength(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented


[Expand]
function GetIGMPDataOffset(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented


[Expand]
function GetIGMPDataLength(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented


[Expand]
function ChecksumIGMP(AFamily:Word; ABuffer:Pointer; AOffset,ALength:Word):Word;
Description: Checksum the IGMP Header on Send/Validate the Checksum on Receive


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