icmp again..

icmp again..

[Martin Svenningsson]

Hello.

I wonder if someone can tell me how to use ICMP with cygnus wunderful gcc.exe.

The icmp.h and ip_icmp.h is empty, and I read in this lists archive that
winsock don't handle ICMP in the same way as unix, but there was .h's
fixing it and calling icmp.dll(?). The guy who wrote that mail said that I
(well, us;P) should search for a file named ICMP_API.ZIP, but I can't find
anyting named that nor something like it.

I found a ms_icmp.h somewhere, but gcc don't like it.

Will be glad if someone can help me :)

btw, im trying to port the icmpinfo-1.11, which is an excellent
icmp-logger. If someone already ported it (or simular) please let me know.

Thanx.

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Winsock2

[jman]

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Hash: SHA1

Will we see the use of winsock2 in the future (b19) releases of great 
cygwin32 tools... Winsock2 is out for win95 an winNT allready has it 
an it does support raw sockets or most of them.. I know there's a few 
problems with UDP an IPPROTO_RAW. Will we see it in use?
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-------------------------------------------------------
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System Admin. Network Consulting 
http://www.deninc.com | UIN: 2820043
Email jman@lx.net or root@lx.net
Finger jman@lx.net for PGP Public Keys... 
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Re: icmp again..

[Tim Newsham]

> Hello.
> 
> I wonder if someone can tell me how to use ICMP with cygnus wunderful gcc.exe.

You can use winsock functions in the normal (socket) way to write
icmp packets out.  Unfortunately the winsock functions are
somewhat of a hack for reading back packets.  It appears that
you only get packets back in a recv that are a response to
a ping icmp packet you sent out.  In other words, it's almost
completely unusable for reading icmps.

> btw, im trying to port the icmpinfo-1.11, which is an excellent
> icmp-logger. If someone already ported it (or simular) please let me know.

Winsock is incapable of reading arbitrary icmps so you would
need some other way to read icmps to make an icmp logger.

> IRL  : Martin Svenningsson - Helsingborg, SWEDEN
> MAIL : emmess@triton.tripnet.se - finger for PGP
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Winsock2

[Chris Telting]

Is there a winsock2 include file?


BlueCoder
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Winsock2

[Chris Telting]

Is there a winsock2 include file?


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winsock2

[BHOLAM]

I am trying to get a real simple winsock2 app working.
My problem is that none of the symbols in libws2_32.a will resolve.
I have looked at this library with nm and the problem appears to
be that all of the symbols are prefixed with double underscore
whereas in libwsock32.a they are preifxed with single underscore.

Anyone come across similar problems ?

Thanks, Mike



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Re: winsock2

[Mumit Khan]

> 
> I am trying to get a real simple winsock2 app working.
> My problem is that none of the symbols in libws2_32.a will resolve.
> I have looked at this library with nm and the problem appears to
> be that all of the symbols are prefixed with double underscore
> whereas in libwsock32.a they are preifxed with single underscore.
> 

I've just updated the winsock2 header on 2000-02-28, and should be 
reasonably complete now to be more or less complete. There was also 
a bug that had leading underscores in the ws2_32.def file that was 
fixed on 2000-01-18 which should fix your particular problem. 

You can access Cygwin via CVS or get the snapshots (see the Cygwin
home page for more info).

Regards,
Mumit


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