source: trunk/debathena/config/cupsys-config/debian/restart-cups.sh @ 24561

restart_cups()
{
        # Handle Debian package name change from cupsys to cups.
        [ -e /etc/init.d/cups ] && rcname=cups || rcname=cupsys
        # Restart cupsd if it is running
        if /etc/init.d/$rcname status; then
            if hash invoke-rc.d; then
                invoke="invoke-rc.d $rcname"
            else
                invoke="/etc/init.d/$rcname"
            fi
            # Flush remote.cache to deal with things like changing the
            # server we BrowsePoll against. But don't do so if
            # policy-rc.d is going to prevent us from restarting cupsd
            # (for instance, if reactivate is installed and running;
            # in that case, the next logout will flush remote.cache and restart
            # cupsd anyway).
            if $invoke stop; then
                rm -f /var/cache/cups/remote.cache
                $invoke start
            fi

            # Wait up to two minutes to pick up all the BrowsePoll server's queues.
            browse_host="$(sed -ne '/^BrowsePoll/ { s/^BrowsePoll //p; q }' /etc/cups/cupsd.conf)"
            if [ -n "$browse_host" ]; then
                echo "Retrieving printer list, please wait..." >&2
                echo "(This may take up to 2 minutes)" >&2
                queue_count=$(lpstat -h "$browse_host" -a | wc -l)
                timeout=0
                while [ $(lpstat -a | wc -l) -lt $queue_count ] && [ $timeout -le 120 ]; do
                    sleep 1
                    timeout=$((timeout+1))
                done
            fi
        fi
}