my $spool = Munin::Node::SpoolReader->new(spooldir => $spooldir);
- Constructor. 'spooldir' should be the directory Munin::Node::SpoolWriter is writing to.
- Fetches all the plugin results that have been recorded since $timestamp, in a form suitable to be sent straight over the wire.
Lists all the plugin that have been recorded in the spool, in a form suitable
to be sent straight over the wire.