On Mon, 2011-08-08 at 14:04 +0200, Peter Mogensen wrote: > I'm writing an passdb/userdb plugin to authenticate against an external > daemon listening on a UNIX socket. > > The connection to the daemon is 1 request at a time and thus blocking > (unlike passdb-ldap), but the daemon is preforking, so it can handle > more connections at a time.
You're talking to it via UNIX socket, so you can talk to it with non-blocking sockets. > But I also have the option, to let the passdb/userdb plugin maintain a > pools of used/idle connections to the daemon and just pick a idle > connection and moving it to the used pool on each auth_request. > Which would save me the auth worker processes. This would be more efficient. (I wonder if you could make your external daemon talk auth-worker protocol and Dovecot would do this pooling automatically by thinking it's talking to its own workers?)
