Re: tcpdump equivalent for the serial port

[Nicolae Mihalache <mache@abcpages.com>]

Jan-Benedict Glaw wrote:

>
>Your approach won't work, but I can hint you to another. If you don't
>need the *wire states*, but only the data your application receives (or
>transmits), then this is easy. Simply use strace or a preload lib to
>intercept open, close, read and write.
>
>That way, you don't monitor the serial port itself, but the application
>using it. For me, that has always been enough:-)
>
This seems a good ideea. Probably I will not use exactly strace but 
develop something using the same library it uses.
I will still keep the cable break-out solution as an option but 
definitely I wanted to be able to monitor the data without interfering 
with the electic signaling on the cable.

Thanks a lot!
nicolae