Beispiel #1
0
// DispatchAggregate dispatches aggregation output by routing metrics into the matching routes.
// buf is assumed to have no whitespace at the end
func (table *Table) DispatchAggregate(buf []byte) {
	conf := table.config.Load().(TableConfig)
	routed := false

	for _, route := range conf.routes {
		if route.Match(buf) {
			routed = true
			log.Info("table sending to route: %s", buf)
			route.Dispatch(buf)
		}
	}

	if !routed {
		table.numUnroutable.Inc(1)
		log.Notice("unrouteable: %s\n", buf)
	}

}
Beispiel #2
0
// Dispatch dispatches incoming metrics into matching aggregators and routes,
// after checking against the blacklist
// buf is assumed to have no whitespace at the end
func (table *Table) Dispatch(buf []byte) {
	buf_copy := make([]byte, len(buf))
	copy(buf_copy, buf)

	fields := bytes.Fields(buf_copy)

	conf := table.config.Load().(TableConfig)

	for _, matcher := range conf.blacklist {
		if matcher.Match(fields[0]) {
			table.numBlacklist.Inc(1)
			return
		}
	}

	for _, aggregator := range conf.aggregators {
		// we rely on incoming metrics already having been validated
		if aggregator.PreMatch(fields[0]) {
			aggregator.In <- fields
		}
	}

	for _, rw := range conf.rewriters {
		fields[0] = rw.Do(fields[0])
	}

	final := bytes.Join(fields, []byte(" "))

	routed := false

	for _, route := range conf.routes {
		if route.Match(fields[0]) {
			routed = true
			log.Info("table sending to route: %s", final)
			route.Dispatch(final)
		}
	}

	if !routed {
		table.numUnroutable.Inc(1)
		log.Notice("unrouteable: %s\n", final)
	}
}