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IRC's DCC Protocol, Help....

Posted on 1998-04-12
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Last Modified: 2010-04-04
I understand I need use sockets to implement IRC's DCC protocol to my program. Here is the part I dont understand.

Here is a quick explanation on how DCC Works:

Data is sent in packets, rather than dumped in a stream manner. The recipient should acknowledge each packet by transmitting the total number of bytes received as an unsigned, 4 byte integer in network byte order.

My Question: How do I send the number of bytes I have received as an unsigned, 4 byte integer?

An Answer would be greately appreciated.
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Question by:alexpet
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4 Comments
 
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Expert Comment

by:extreme
ID: 1361423
Your problem is to know how many bytes do you received, or how to pack this un a 4 butes unsigned integer?
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Author Comment

by:alexpet
ID: 1361424
my questions is basically how to send the number of bytes recevied as a 4 byte unsigned integer?
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LVL 1

Expert Comment

by:extreme
ID: 1361425
What software to manage TCP/IP are you using?. Something like DWinsock? or you are handling TCP "at Hand"?
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Accepted Solution

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julio011597 earned 100 total points
ID: 1361426
What you need should be the htonl() function from the Winsock unit... at least i have it under Delphi 2.

Help on "htonl" gives:

--//--
The Windows Sockets htonl function converts a u_long from host to network byte order.

This function takes a 32-bit number in host byte order and returns a 32-bit number in network byte order.

u_long htonl (
  u_long hostlong
);

Parameters

hostlong
  A 32-bit number in host byte order.

Return Value

The htonl function returns the value in network byte order.

See Also

htons, ntohl, ntohs
--//--

HTH.
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