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.
-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.
