// Fetch correct output and iterate over received messages, checking against
// message hostname and delivering to the output if hostname is in our config.
func (f *HostFilter) Run(runner pipeline.FilterRunner, helper pipeline.PluginHelper) (
err error) {
var (
hostname string
output pipeline.OutputRunner
ok bool
)
if output, ok = helper.Output(f.output); !ok {
return fmt.Errorf("No output: %s", output)
}
for plc := range runner.InChan() {
hostname = plc.Pack.Message.GetHostname()
if f.hosts[hostname] {
output.Deliver(plc.Pack)
} else {
plc.Pack.Recycle()
}
}
return
}