On Sun, Apr 01, 2018 at 11:09:18AM +0200, Florian Obser wrote:
> On Sun, Apr 01, 2018 at 10:42:09AM +0200, Otto Moerbeek wrote:
> > On Sun, Apr 01, 2018 at 10:39:39AM +0200, Florian Obser wrote:
> >
> > > On a backbone router with many interfaces route show scrolls for quite
> > > some time and it is difficult to see at a glance what is going on.
> > >
> > > Colour coding is an obvious improvement.
> > >
> > > The following diff sets the background colour to green for up routes
> > > and black for down routes.
> > >
> > > The default route has yellow text colour (because 10BASE5 yellow
> > > cable), reject routes red and blackhole routes black text colour.
> > >
> > > Host routes are underlined, multicast routes blink and multipath
> > > routes blink fast.
> > >
> > > I believe the colours are intuitively obvious so no need to document
> > > the meaning.
> > >
> > > OK?
> >
> > Nope, this won't work on my teletype.
> >
>
> Oh, good point. What capabilities does it have?
>
> I guess colours are right out. But underline should work, no? How
> about blink?
>
> For reject routes, can we get it to generate a rattling sound or a high
> pitched screaching noise?
Blink is a bit hard, you can do (XXXX BS BS BS BS) repeatedly until the
paper is gone to mark a blackhole route though
You also do a bell bang bell bang ... by repeating CR, a few HT and
then CR again
-Otto
> >
> > >
> > > diff --git show.c show.c
> > > index 913baf6cdb6..0e5d1e780e2 100644
> > > --- show.c
> > > +++ show.c
> > > @@ -278,6 +278,20 @@ p_rtentry(struct rt_msghdr *rtm)
> > > if ((sa = rti_info[RTAX_DST]) == NULL)
> > > return;
> > >
> > > + if (rtm->rtm_flags & RTF_UP)
> > > + printf("\e[42m");
> > > + if (!(rtm->rtm_flags & RTF_UP))
> > > + printf("\e[40m");
> > > + if (rtm->rtm_flags & RTF_REJECT)
> > > + printf("\e[31m");
> > > + if (rtm->rtm_flags & RTF_BLACKHOLE)
> > > + printf("\e[30m");
> > > + if (rtm->rtm_flags & RTF_MULTICAST)
> > > + printf("\e[5m");
> > > + if (rtm->rtm_flags & RTF_MPATH)
> > > + printf("\e[6m");
> > > + if (rtm->rtm_flags & RTF_HOST)
> > > + printf("\e[4m");
> > > p_sockaddr(sa, mask, rtm->rtm_flags, WID_DST(sa->sa_family));
> > > p_sockaddr_mpls(sa, rti_info[RTAX_SRC], rtm->rtm_mpls,
> > > WID_DST(sa->sa_family));
> > > @@ -297,6 +311,7 @@ p_rtentry(struct rt_msghdr *rtm)
> > > if_indextoname(rtm->rtm_index, ifbuf));
> > > if (verbose && rti_info[RTAX_LABEL])
> > > printf(" %s", routename(rti_info[RTAX_LABEL]));
> > > + printf("\e[0m");
> > > putchar('\n');
> > > }
> > >
> > > @@ -369,6 +384,10 @@ p_sockaddr(struct sockaddr *sa, struct sockaddr
> > > *mask, int flags, int width)
> > > cp = netname(sa, mask);
> > > break;
> > > }
> > > +
> > > + if (strcmp(cp, "default") == 0)
> > > + printf("\e[33m");
> > > +
> > > if (width < 0)
> > > printf("%s", cp);
> > > else {
> > >
> > > --
> > > I'm not entirely sure you are real.
> >
>
> --
> I'm not entirely sure you are real.
