You guys are right, -k reconfigure re-reads the hosts file. Thanks for 
the information. I was complicating things. At least I learned something 
about Squid's source code.
Once again tks.
------------------------------
Andre D. Correa, CISSP
andre.correa (at) pobox.com
http://andre.hiperlinks.com.br
Sao Paulo / SP / Brazil
------------------------------
Andre D. Correa wrote:
> 
> Hi Squid-users, my question is more to the dev list but I'm not a Squid 
> developer so its better not disturb then.
> 
> In my setup I need to be able to send a signal to Squid to force it to 
> read /etc/hosts again. I need it because I have a PPPoE concentrator and 
> the hosts file is updated each time a new user connects or disconnects.
> 
> I couldn't find a way to enable this behavior so I decided to mess with 
> the code a little and this is where I need a helping hand.
> 
> Looking arround I found the function idnsInit() that looks promissing. I 
> added something like this to src/main.c
> 
> static void mainResetDNS(void);
> 
> ...
> 
> static void
> mainResetDNS(void)
> {
>     idnsInit();
> }
> 
> ...
> 
> At mainInitialize()
> 
> ...
> squid_signal(SIGRTMIN, mainResetDNS, SA_NODEFER);
> ...
> 
> and to get a command line option to send the signal I made something 
> like this:
> 
> ...
>         case 'k':
>             if ((int) strlen(optarg) < 1)
>                 usage();
>             if (!strncmp(optarg, "dns", strlen(optarg)))
>                 opt_send_signal = SIGRTMIN;
>             else if (!strncmp(optarg, "reconfigure", strlen(optarg)))
>                 opt_send_signal = SIGHUP;
> ...
> 
> 
> Compilation happens with no probs and when I run "squid -k dns" it 
> re-reads the hosts file but it kills childs too. Killing child 
> proccesess stop all active transfers and this is something that cannot 
> happen.
> 
> Can anybody help me find the right function(s) to call so it re-reads 
> the hosts file?
> 
> Thanks for the attetion...
> 
> ------------------------------
> Andre D. Correa, CISSP
> andre.correa (at) pobox.com
> http://andre.hiperlinks.com.br
> Sao Paulo / SP / Brazil
> ------------------------------
> 
> 
Received on Fri Jul 08 2005 - 12:47:03 MDT
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