Difference between revisions of "Unit IGMP"
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| + | <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">  | ||
| + | <div style="font-size: 14px; padding-left: 12px;">'''IGMP specific constants''' <code> IGMP_PROTOCOL_* </code></div>  | ||
| + | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">  | ||
| + | {| class="wikitable" style="font-size: 14px; background: white;"  | ||
| + | |-  | ||
| + | |colspan="2"|Note: Some IGMP definitions are in the Protocol or IP modules  | ||
| + | |-  | ||
| + | |colspan="2"|   | ||
| + | |-  | ||
| + | | <code>IGMP_PROTOCOL_NAME = 'IGMP';</code>  | ||
| + | | style="width: 50%;"|   | ||
| + | |-  | ||
| + | |}  | ||
| + | </div></div>  | ||
| + | <br />    | ||
| + | <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">  | ||
| + | <div style="font-size: 14px; padding-left: 12px;">'''IGMP constants''' <code> IGMP_* </code></div>  | ||
| + | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">  | ||
| + | {| class="wikitable" style="font-size: 14px; background: white;"  | ||
| + | |-  | ||
| + | | <code>IGMP_TIMEOUT = 0;</code>  | ||
| + | | Wait forever on a IGMP Read  | ||
| + | |-  | ||
| + | | <code>IGMP_BUFFER_SIZE = 65536;</code>  | ||
| + | | IGMP Receive Buffer Size  | ||
| + | |-  | ||
| + | |colspan="2"|   | ||
| + | |-  | ||
| + | | <code>IGMP_HEADER_SIZE = 8;</code>  | ||
| + | | SizeOf(TIGMPHeader);  | ||
| + | |-  | ||
| + | |colspan="2"|   | ||
| + | |-  | ||
| + | | <code>IGMP_PACKET_SIZE = 8;</code>  | ||
| + | | SizeOf(TIGMPPacket)  | ||
| + | |-  | ||
| + | |colspan="2"|   | ||
| + | |-  | ||
| + | | <code>IGMP_QUERY_TIMEOUT = 5000;</code>  | ||
| + | |    | ||
| + | |-  | ||
| + | | <code>IGMP_REPORT_TIMEOUT = 5000;</code>  | ||
| + | |    | ||
| + | |-  | ||
| + | |colspan="2"|   | ||
| + | |-  | ||
| + | | <code>IGMP_TRANSMIT_COUNT = 3;</code>  | ||
| + | |    | ||
| + | |-  | ||
| + | |}  | ||
| + | </div></div>  | ||
| + | <br />  | ||
=== Type definitions ===  | === Type definitions ===  | ||
Revision as of 03:06, 13 December 2016
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Description
To be documented
Constants
IGMP specific constants 
 IGMP_PROTOCOL_* | Note: Some IGMP definitions are in the Protocol or IP modules | |
 IGMP_PROTOCOL_NAME = 'IGMP';
 | 
|
  
IGMP constants 
 IGMP_*  IGMP_TIMEOUT = 0;
 | 
Wait forever on a IGMP Read | 
 IGMP_BUFFER_SIZE = 65536;
 | 
IGMP Receive Buffer Size | 
 IGMP_HEADER_SIZE = 8;
 | 
SizeOf(TIGMPHeader); | 
 IGMP_PACKET_SIZE = 8;
 | 
SizeOf(TIGMPPacket) | 
 IGMP_QUERY_TIMEOUT = 5000;
 | 
|
 IGMP_REPORT_TIMEOUT = 5000;
 | 
|
 IGMP_TRANSMIT_COUNT = 3;
 | 
|
Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
procedure IGMPInit;
Description: To be documented
| Note | None documented | 
|---|
IGMP functions
function CheckIGMP(AFamily:Word; ABuffer:Pointer):Boolean;
Description: Verify that the packet is a valid IGMP packet
| Buffer | The complete packet including Transport header | 
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function GetIGMPHeaderOffset(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer | The complete packet including Transport header | 
|---|
function GetIGMPHeaderLength(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer | The complete packet including Transport header | 
|---|
function GetIGMPDataOffset(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer | The complete packet including Transport header | 
|---|
function GetIGMPDataLength(AFamily:Word; ABuffer:Pointer):Word;
Description: To be documented
| Buffer | The complete packet including Transport header | 
|---|
function ChecksumIGMP(AFamily:Word; ABuffer:Pointer; AOffset,ALength:Word):Word;
Description: Checksum the IGMP Header on Send / Validate the Checksum on Receive
| Note | Checksum is calculated on the whole packet (Header and Data) | 
|---|
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