Thanks again eric
Can you send me or point me to some code that you are tested?
Salute
Frank
> Le lundi 01 août 2005 à 19:18 -0400, Frank Abel Cancio Bello a écrit :
> > > On Mon, 2005-08-01 at 16:29 -0400, Frank Abel Cancio Bello wrote:
> > > > Hi all!
> > > >
> > > > Some time ago I post a mail in this list
> > > >
> >
("https://lists.netfilter.org/pipermail/netfilter/2005-April/059499.html";)
> > > > asking about how manage packets that was captured with "libipq" and
> > "QUEUE"
> > > > target in different threads or process.
> > > >
> > > > Now with the new "NFQUEUE" target I can have many process reading
> > parckets
> > > > in different queues numbers and using "nth match" to spread
equitably
> > over
> > > > all process the captured packects.
> > >
> > > This look terribly awfull to me ! You better use a single
multithreaded
> > > application.
> > >
> >
> > Due to libipq isn't thread-safe (see one problem in
> >
>
http://www.experts-exchange.com/Programming/Programming_Platforms/Linux_Programmi
> ng/Q_20766491.html)
> > and I'm not a netfilter hacker I send the mail
> > (https://lists.netfilter.org/pipermail/netfilter/2005-April/059499.html)
but
> > anybody reply.
> > The problem is that I need to know if is safe make a multithreaded
> > application with libipq. Now I have the same questions that that some
time
> > ago:
>
> >From my experience, I've tested with two threads. One receiving packets
> the other sending packets back to kernel. It seems to work fine, even
> under heavy load. I've never tried multiple sending and receiving
> threads.
> But you can always have something like that by using messages between
> the threads.
>
> BR,
> --
> Eric Leblond
>
>
>
