Re: FW: New function - hostmask - Mailing list pgsql-general

OK, that's all I needed to know before adding it. Thanks.

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Larry Rosenman wrote:
> Yes, I would.
>
> I use a PostgreSQL backed IP management database (home grown, written by
> yours truly), and
> with some of the enhancements we are looking at, this would be useful.
>
> LER
>
>
> --On Friday, March 21, 2003 15:46:02 -0500 Bruce Momjian
> <pgman@candle.pha.pa.us> wrote:
>
> >
> > Does anyone see value in a hostmask function() --- description below?
> >
> > -------------------------------------------------------------------------
> > --
> >
> > greg wrote:
> >> ] -----Original Message-----
> >> ] From: Bruce Momjian [mailto:pgman@candle.pha.pa.us]
> >> ] Sent: Friday, March 07, 2003 12:25 PM
> >> ] To: greg
> >> ] Subject: Re: FW: New function - hostmask
> >> ]
> >> ]
> >> ]
> >> ] Oh, OK.  We usually need a larger value to add a function to
> >> ] the main distribution.  Would you see if you can find another
> >> ] user who thinks this is valuable?
> >> ]
> >> ] --------------------------------------------------------------
> >> ] -------------
> >> ]
> >> ] greg wrote:
> >> ] > Hi Bruce,
> >> ] >
> >> ] > I don't think I got your email in response.
> >> ] >
> >> ] > Yes. I think it has good value. I'm generating cisco network
> >> ] > configurations out of a database and in the OSPF
> >> ] configuration area a
> >> ] > hostmask is used (rather than a netmask) to define a subnet. Ie:
> >> ] >
> >> ] >    router ospf 18062
> >> ] >      network 202.0.98.51 0.0.0.0 area 0
> >> ] >      network 202.0.98.52 0.0.0.3 area 0
> >> ] >
> >> ] > Where as the netmask is used for similar functionality in bgp (and
> >> ] > interface configurations):
> >> ] >
> >> ] >    router bgp 18062
> >> ] >      network 202.0.98.51 mask 255.255.255.255 route-map
> >> ] > AS18062-INFRASTRUCTURE-ROUTE
> >> ] >      network 202.0.98.52 mask 255.255.255.252 route-map
> >> ] > AS18062-INFRASTRUCTURE-ROUTE
> >> ] >
> >> ] >    interface Loopback0
> >> ] >      ip address 202.0.98.49 255.255.255.255
> >> ] >
> >> ] > It's an annoying cisco'ism. There are ways to work around the
> >> ] > deficiency. However having a native function to generate a hostmask
> >> ] > from a CIDR value is a natural extension to the existing inet
> >> ] > functions already in PostgreSQL.
> >> ] >
> >
> > --
> >   Bruce Momjian                        |  http://candle.pha.pa.us
> >   pgman@candle.pha.pa.us               |  (610) 359-1001
> >   +  If your life is a hard drive,     |  13 Roberts Road
> >   +  Christ can be your backup.        |  Newtown Square, Pennsylvania
> > 19073
> >
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> >
>
>
>
> --
> Larry Rosenman                     http://www.lerctr.org/~ler
> Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
> US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
>
>
>
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073