Steffen Heil <[EMAIL PROTECTED]> writes:
> Would you mind to share that?
I'm definitely planning on packaged it up and releasing it for others to use
once I'm happy with it.
> I got some experience with bdb recently, but I have non with unix domain
> sockets.
Exim's readsocket makes this especially convenient and easy. You can just do
something like this in Perl:
use Socket;
[...]
unlink($socketpath) or die "unlink: $!";
socket(SERVER, PF_UNIX, SOCK_STREAM, 0) or die "socket: $!";
bind(SERVER, sockaddr_un($socketpath)) or die "bind: $!";
$SIG{PIPE} = 'IGNORE';
listen(SERVER, SOMAXCONN);
while (accept(CLIENT, SERVER)) {
sysread CLIENT, $query, 16384;
[...]
syswrite CLIENT, $response;
close CLIENT;
}
and then from Exim's string expansion mechanism, you can pass in a query to
expand to a response: ${readsocket{SOCKETPATH}{request string}}. (Test with
exim -be.)
Because this simple-minded server is inherently serialized, there are no
locking issues or race conditions to worry about, which might be a concern
if you use an embedded perl interpreter to achieve the same effect.
Best wishes,
Chris.
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