Difference between revisions of "Unit IP"

From Ultibo.org
Jump to: navigation, search
 
(8 intermediate revisions by the same user not shown)
Line 6: Line 6:
  
 
'''Ultibo IP (Internet Protocol) unit'''
 
'''Ultibo IP (Internet Protocol) unit'''
−
 
−
''To be documented''
 
  
 
=== Constants ===
 
=== Constants ===
Line 25: Line 23:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP constants''' <code> IP_*_SIZE </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP size''' <code> IP_*_SIZE </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 63: Line 61:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP header flags / fragment offset constants''' <code> IP_* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP header flags/fragment offset''' <code> IP_* </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 83: Line 81:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP header option constants''' <code> IPOPT_* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP header options''' <code> IPOPT_* </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 106: Line 104:
 
|-
 
|-
 
| <code>IPOPT_SATID = 136;</code>
 
| <code>IPOPT_SATID = 136;</code>
−
| satnet id
+
| satnet Id
 
|-
 
|-
 
| <code>IPOPT_SSRR = 137;</code>
 
| <code>IPOPT_SSRR = 137;</code>
Line 118: Line 116:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP offset option constants''' <code> IPOPT_OFFSET* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP offset options''' <code> IPOPT_OFFSET* </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 142: Line 140:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP TS flag option constants''' <code> IPOPT_TS_* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP TS flag options''' <code> IPOPT_TS_* </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 163: Line 161:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP security flag constants''' <code> IPOPT_SECUR_* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP security flag''' <code> IPOPT_SECUR_* </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 196: Line 194:
 
<br />  
 
<br />  
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 
<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;">'''IP type of service constants''' <code> IPTOS_* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''IP type of service''' <code> IPTOS_* </code></div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
Line 219: Line 217:
 
----
 
----
  
−
''To be documented''
 
  
 +
'''IP header'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PIPHeader = ^TIPHeader;</code>
 +
 +
<code>TIPHeader = packed record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|Note: 20 Bytes unless IP Options are added
 +
|-
 +
| <code>VersionLength:Byte;</code>
 +
| $45 for IPv4 and 20-byte header
 +
|-
 +
| <code>TOS:Byte;</code>
 +
| throughput type of service
 +
|-
 +
| <code>TotalLength:Word;</code>
 +
| Total Size of the Packet (Max 65535) (Network Order)
 +
|-
 +
| <code>Id:Word;</code>
 +
| Incremented with each Packet (Network Order)
 +
|-
 +
| <code>FragOffset:Word;</code>
 +
| and IP Header Flags DF, MF etc (Network Order)
 +
|-
 +
| <code>TTL:Byte;</code>
 +
| Time to Live Seconds/Hops
 +
|-
 +
| <code>Protocol:Byte;</code>
 +
| IPPROTO_IP, IPPROTO_TCP etc
 +
|-
 +
| <code>Checksum:Word;</code>
 +
| 1s Compliment checksum
 +
|-
 +
| <code>SourceIP:TInAddr;</code>
 +
| Source IP (Network Order)
 +
|-
 +
| <code>DestIP:TInAddr;</code>
 +
| Destination IP (Network Order)
 +
|-
 +
|}
 +
</div></div> 
 +
 +
'''IP timestamp address'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PIPTimestampAddress = ^TIPTimestampAddress;</code>
 +
 +
<code>TIPTimestampAddress = packed record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>Address:TInAddr;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>Timestamp:LongWord;</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div> 
 +
 +
'''IP timestamp'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PIPTimestamp = ^TIPTimestamp;</code>
 +
 +
<code>TIPTimestamp = packed record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>Code:Byte;</code>
 +
| IPOPT_TS
 +
|-
 +
| <code>Length:Byte;</code>
 +
| Size of structure (Variable)
 +
|-
 +
| <code>Index:Byte;</code>
 +
| Index of current entry
 +
|-
 +
| <code>FlagsOverflow:Byte;</code>
 +
| Flags (4 Bits) Overflow counter (4 Bits)
 +
|-
 +
| <code>case Integer of</code>
 +
| &nbsp;
 +
|-
 +
| <code>0:(Timestamp:LongWord);</code>
 +
| &nbsp;
 +
|-
 +
| <code>1:(TimestampAddress:TIPTimestampAddress);</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div> 
 +
 +
'''IP pseudo'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PIPPseudo = ^TIPPseudo;</code>
 +
 +
<code>TIPPseudo = packed record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|Note: 12 Bytes (Used by UDP/TCP Checksum)
 +
|-
 +
| <code>SourceIP:TInAddr;</code>
 +
| Source IP Network Order
 +
|-
 +
| <code>DestIP:TInAddr;</code>
 +
| Destination IP Network Order
 +
|-
 +
| <code>Mbz:Byte;</code>
 +
| Must Be Zero
 +
|-
 +
| <code>Protocol:Byte;</code>
 +
| IP Protocol Type IPPROTO_UDP, IPPROTO_TCP etc
 +
|-
 +
| <code>Length:Word;</code>
 +
| Length of UDP/TCP Header and Data
 +
|-
 +
|}
 +
</div></div> 
 +
 
 +
'''IP fragment''' 
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PIPFragment = ^TIPFragment;</code>
 +
 +
<code>TIPFragment = record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|Note: 12 Bytes (Used by Fragment Buffer)
 +
|-
 +
| <code>Offset:Word;</code>
 +
| Offset of this Fragment in the Packet
 +
|-
 +
| <code>Size:Word;</code>
 +
| Size of this Fragment
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>Prev:PIPFragment;</code>
 +
| Pointer to Prev Fragment
 +
|-
 +
| <code>Next:PIPFragment;</code>
 +
| Pointer to Next Fragment
 +
|-
 +
|}
 +
</div></div> 
 +
 
 +
'''IP packet''' 
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PIPPacket = ^TIPPacket;</code>
 +
 +
<code>TIPPacket = record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|Note: 56 Bytes (Used by Fragment Buffer)
 +
|-
 +
| <code>Lock:TMutexHandle;</code>
 +
| Packet Lock
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>Id:Word;</code>
 +
| IP Id
 +
|-
 +
| <code>Protocol:Word;</code>
 +
| IP Protocol
 +
|-
 +
| <code>Dest:TInAddr;</code>
 +
| IP Dest
 +
|-
 +
| <code>Source:TInAddr;</code>
 +
| IP Source
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>Data:Pointer;</code>
 +
| Pointer to Data
 +
|-
 +
| <code>Timeout:Int64;</code>
 +
| Packet Timeout
 +
|-
 +
| <code>Total:Word;</code>
 +
| IP Total Length
 +
|-
 +
| <code>Length:Word;</code>
 +
| IP Header Length
 +
|-
 +
| <code>Received:Word;</code>
 +
| Received Bytes
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>Prev:PIPPacket;</code>
 +
| Pointer to Prev Packet
 +
|-
 +
| <code>Next:PIPPacket;</code>
 +
| Pointer to Next Packet
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>First:PIPFragment;</code>
 +
| Pointer to First Fragment
 +
|-
 +
| <code>Last:PIPFragment;</code>
 +
| Pointer to Last Fragment
 +
|-
 +
|}
 +
</div></div> 
 +
<br />
 +
 +
=== Class definitions ===
 +
----
 +
 +
 +
'''IP specific classes'''
 +
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPBuffer|<code>TIPBuffer = class(TTransportBufferEx)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPTransportAdapter|<code>TIPTransportAdapter = class(TTransportAdapter)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPTransportBinding|<code>TIPTransportBinding = class(TTransportBinding)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPTransportProtocol|<code>TIPTransportProtocol = class(TTransportProtocol)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPTransportFilter|<code>TIPTransportFilter = class(TTransportFilter)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPTransportConfig|<code>TIPTransportConfig = class(TTransportConfig)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPTransport|<code>TIPTransport = class(TNetworkTransport)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPState|<code>TIPState = class(TTransportState)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPOptions|<code>TIPOptions = class(TTransportOptions)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPHostEntry|<code>TIPHostEntry = class(THostEntry)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPRouteEntry|<code>TIPRouteEntry = class(TRouteEntry)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPAddressEntry|<code>TIPAddressEntry = class(TAddressEntry)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPNetworkEntry|<code>TIPNetworkEntry = class(TNetworkEntry)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPServEntry|<code>TIPServEntry = class(TServEntry)</code>]]
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| [[TIPProtoEntry|<code>TIPProtoEntry = class(TProtoEntry)</code>]]
 +
|-
 +
|}
 +
<br />
 
=== Public variables ===
 
=== Public variables ===
 
----
 
----
Line 238: Line 534:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
Line 253: Line 549:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet without Adapter header
 
| Complete packet without Adapter header
 
|-
 
|-
Line 265: Line 561:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-
Line 277: Line 573:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-
Line 289: Line 585:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-
Line 301: Line 597:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-
Line 313: Line 609:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-
Line 325: Line 621:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-
Line 337: Line 633:
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Buffer'''
+
! Buffer
 
| Complete packet including Transport header
 
| Complete packet including Transport header
 
|-
 
|-

Latest revision as of 05:25, 31 August 2021

Return to Unit Reference


Description

Ultibo IP (Internet Protocol) unit

Constants


[Expand]
IP specific constants IP_TRANSPORT_NAME*


[Expand]
IP size IP_*_SIZE


[Expand]
IP header flags/fragment offset IP_*


[Expand]
IP header options IPOPT_*


[Expand]
IP offset options IPOPT_OFFSET*


[Expand]
IP TS flag options IPOPT_TS_*


[Expand]
IP security flag IPOPT_SECUR_*


[Expand]
IP type of service IPTOS_*


Type definitions


IP header

[Expand]

PIPHeader = ^TIPHeader;

TIPHeader = packed record

IP timestamp address

[Expand]

PIPTimestampAddress = ^TIPTimestampAddress;

TIPTimestampAddress = packed record

IP timestamp

[Expand]

PIPTimestamp = ^TIPTimestamp;

TIPTimestamp = packed record

IP pseudo

[Expand]

PIPPseudo = ^TIPPseudo;

TIPPseudo = packed record

IP fragment

[Expand]

PIPFragment = ^TIPFragment;

TIPFragment = record

IP packet

[Expand]

PIPPacket = ^TIPPacket;

TIPPacket = record


Class definitions


IP specific classes

TIPBuffer = class(TTransportBufferEx)
TIPTransportAdapter = class(TTransportAdapter)
TIPTransportBinding = class(TTransportBinding)
TIPTransportProtocol = class(TTransportProtocol)
TIPTransportFilter = class(TTransportFilter)
TIPTransportConfig = class(TTransportConfig)
TIPTransport = class(TNetworkTransport)
TIPState = class(TTransportState)
TIPOptions = class(TTransportOptions)
TIPHostEntry = class(THostEntry)
TIPRouteEntry = class(TRouteEntry)
TIPAddressEntry = class(TAddressEntry)
TIPNetworkEntry = class(TNetworkEntry)
TIPServEntry = class(TServEntry)
TIPProtoEntry = class(TProtoEntry)


Public variables

None defined

Function declarations


Initialization functions

[Expand] 
procedure IPInit;
Description: To be documented


IP functions

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


[Expand] 
function GetIPHeaderOffset(ABuffer:Pointer):Word;
Description: Return Start of the IP Header (Start of Packet)


[Expand] 
function GetIPHeaderLength(ABuffer:Pointer):Word;
Description: Return Size of IP Header (Including Options)


[Expand] 
function GetIPOptionsLength(ABuffer:Pointer):Word;
Description: Return Size of IP Options (Header - IP_HEADER_SIZE)


[Expand] 
function GetIPDataOffset(ABuffer:Pointer):Word;
Description: Return Start of IP Packet Data (Length of IP Header)


[Expand] 
function GetIPDataLength(ABuffer:Pointer):Word;
Description: Return Size of IP Packet Data (IP TotalLength - IP Header)


[Expand] 
function ChecksumIPRecv(ABuffer:Pointer; AOffset,ALength:Word):Word;
Description: Validate the IP Header and Options Checksum on Receive


[Expand] 
function ChecksumIPSend(AHeader,AOptions:Pointer; ALength:Word):Word;
Description: Checksum the IP Header and Options on Send


Return to Unit Reference

Retrieved from "https://ultibo.org/mediawiki_ultibo_org/index.php?title=Unit_IP&oldid=5115"