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Date: Tue, 29 Jun 1999 11:02:52 -0400
From: Li Li <lili@dnrc.bell-labs.com>
Organization: Lucent / Bell Labs, USA
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To: Ladavac Marino <mladavac@metropolitan.at>
Cc: freebsd-questions@freebsd.org
Subject: Re: How to access multicast routing entry from a user process?
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I looked at netstat before. Since it reports all the multicast routing
information, it just uses kvm_read to copy the kernel multicast routing
table to the user process address space. I don't want to do this,
either.

Thanks though,

L. Li
 

Ladavac Marino wrote:
> 
> > -----Original Message-----
> > From: Li Li [SMTP:lili@dnrc.bell-labs.com]
> > Sent: Tuesday, June 29, 1999 4:40 PM
> > To:   Mark Tinguely; freebsd-questions@freebsd.org
> > Subject:      Re: How to access multicast routing entry from a user
> > process?
> >
> > Mark Tinguely wrote:
> > >
> > > a person can dump the routing table to a file. and read it that way.
> > >
> > > --mark.
> >
> > I need to frequently access entries in the multicast routing table.
> > This
> > does not seem to be efficient. I want to know if there are any system
> > calls or socket options available that I can use. Of cause, I can
> > always
> > hack the kernel. But I do not want to re-invent the wheel if people
> > have
> > already provided nice ways to access the multicast routing table. So
> > my
> > question is: are there any available system calls or socket options
> > for
> > this purpose?
>         [ML]  Well, netstat does it.  Did you look at the netstat source
> (I fear it digs through kmem)?  I don't know whether there is a portable
> way to do it, though.
> 
>         /Marino
> 
> > L. Li
> >
> >
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