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SendInformation() |
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| Public Function |
Declared in: ICMPSocket.h |
Declaration
BOOL SendInformation(
LPCSTR lpDestinationAddress,
BOOL bReply,
unsigned short usIdentifier,
unsigned short usSequence);
DescriptionSend ICMP messages according to the name
Function Body
try
{
LPICMPHeader lpHead;
lpHead=ConstructICMP();
if (!lpHead)
{
ReportError("SendInformation","Failed to construct ICMP header!");
return FALSE;
}
//Check if echo or reply
if (bReply)
lpHead->ICMPType=ICMP_Information_Reply;
else
lpHead->ICMPType=ICMP_Information;
lpHead->ICMPCode=0;
lpHead->sICMP.sUS.us1=htons(usIdentifier);
lpHead->sICMP.sUS.us2=htons(usSequence);
//And the checksum
//Using only first 8 bytes
lpHead->ICMPChecksum=CalculateChecksum((unsigned short*)lpHead,ICMP_Information_SIZE);
//Send it
BOOL bSend;
bSend=SendICMP(lpHead,lpDestinationAddress);
//Clear up
delete lpHead;
return bSend;
}
ERROR_HANDLER_RETURN("SendTimestamp",FALSE)
See Also
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Site content copyright © 2001 Barak Weichselbaum. See the About page for additional notices. This page last updated: 27 Jun 2001. |