[Click] TCP Option field

[Eddie Kohler]

Max,

If you want an example in Click of TCP option processing, take a look at 
TCPMapping::apply_sack in elements/tcpudp/tcprewriter.cc; or at the 
unparse_tcp_opt function in elements/analysis/ipsumdump_tcp.cc.

Eddie


el.drago at tiscali.it wrote:
> Hi to all, 
> 
> I have an urgent question about how to read/write/set the TCP-Option 
> Field.
> 
> I searched in /include/clicknet/tcp.h but there were only #define 
> about it, but nothing else, even if i see that click can extract the 
> Timestamp value from the packet and I know that it is memorized in the 
> option field.
> 
> After having "googled" in the web and in the mailing list I have 
> decided to ask here if somebody knows how to gain access and/or how to 
> set that field if not present in the packet analyzed.
> 
> Has anyone the answer about it?
> Please help me or give me advices about this problem, because I spent 
> about a month on it before deciding to ask and now I don't have idea 
> how to continue.
> 
> Thanks in advance and best regards,
> Max Dragoni
> 
> PS: please forgive my bad english :)
> 
> 
> 
> 
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