On Thu, 7 Jan 2010, JR Richardson wrote:
> I'm running an AGI, calling a perl script the does number lookups to a
> remote server. I would like to put a timeout in the script. The
> problem I'm running into is if the DNS server is not responding, the
> script hangs and waits for 30 seconds before returning to the Asterisk
> dialplan. I would like a timeout of 1 second, then return.
I'm a C weenie, so I can't provide Perl code. But it should look something
like this:
// handle the alarm
static void lookup_failed
(
void
)
{
exit(EXIT_FAILURE);
}
int main
(
)
...
// set a signal alarm handler
signal(SIGALRM, (void (*)(int))(int)lookup_failed);
// set the alarm to go off in 1 second
alarm(1);
// lookup my number
do_lookup(dnis);
// cancel the alarm
alarm(0);
...
Of course, solving the real issue (DNS lookups), or masking it with a
local caching server or even a /etc/hosts file are viable alternatives.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwa...@sedwards.com Voice: +1-760-468-3867 PST
Newline Fax: +1-760-731-3000
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