Max Laier wrote:
On Thursday 13 December 2007, Julian Elischer wrote:
Max Laier wrote:
On Wednesday 12 December 2007, Julian Elischer wrote:
So, I'm playing with some multiple routing table support..
the first version is a minimal impact version with very limited
functionality. It's done that way so I can put it in RELENG_6/7
without breaking ABIs (I hope). Later there will be a more flexible
version for-current.
Here's the question..
I need a word to use to describe the network view one is currently
on.. e.g. if you are usinghe second routing table, you could say
I've set xxx to 1 (0 based)..
current;y in my code I'm using 'universe' but I don't like that..
one could think of it as a routing plane..
each routing plane has he same interfaces on it but they are
logically treated differently becasue each plane has a different
routing table.
so here's an axample of it in use now...
the names should change...
setuniverse 1 netstat -rn
[shows table 1]
setuniverse 2 route add 10.0.0.0/24 192.168.2.1
setuinverse 1 route add 10.0.0.0/24 192.168.3.1
setuniverse 2 route -n get 10.0.0.3
[shows 192.168.2.1]
setuniverse 1 route -n get 10.0.0.3
[shows 192.168.3.1]
setuniverse 2 start_apache
[appache starts, always using 192.168.2.1 to reach the 10.0.0 net.
also the syscall is setuniverse()
so, you see I really need a better name....
setrtab?
rtab? rtbl?
and the command should be called "????"
FWIW, OpenBSD just added a "-T num" switch to concerned programs like
route and netstat. As far as I can tell they rely entirely on pf to
select a table - so there is no way to start a program "inside" a
certain network view. OTOH, how - in your system - would you decide
which table to use for forwarded packets?
ipfw/pf/ipf rule (not yet added) :-)
pf has ifdef'ed out code to deal with the OpenBSD version of routing
tables. What it does is adding an mbuf_tag which carries the tableid and
ip_{{in,out}put,forward} take action accordingly.
EXACTLY what I plan on doing.
More to the bikeshed pov, "universe" seems rather broad. "netview"
comes to mind. "rtabselect", though that has a lot of characters,
but then again "setuniverse" is even one char longer ;)
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