Re: Callbacks help please

Amos Jeffries wrote:
> I need some help getting my head around the callback system peoples.
>
> The situation:
> with IPv6 I have it looking up AAAA records and failover to lookup the
> A records at the DNS level.
> However IFF the DNS server responds to the AAAA indicating a CNAME. THe
> case is quite common that the CNAME points to an A not an AAAA. Thus the
> remote server does not add anything in the additional section. These
> additional records are what squid used to depend on for use when a CNAME
> arrived.
>
> I'm trying to add CNAME capability so the absence of additional A or
> AAAA will failover to looking them up.
> (This is presently showing me the same 'can't connect to X website' we
> get so many complaints about, maybe the same problem.)
>
> There the problem occurs:
> When ipcacheParse locates a CNAME, I tried calling
> ipcache_gethostbyname(...) to generate a loopback for the lookup. How do
> I suspend the current callback *leaving it as if never processed* for
> future re-handling?
>
> I have everything else going fine. It works after the initial page load
> once the 'bad IP' has expired from cache. Its just getting this to work
> on first load that the hiccup.
>
> Amos

Never mind. I think I have mucked up a suitable alternative.

Amos
Received on Sun Jun 24 2007 - 05:41:47 MDT