// 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) } }
// 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) { conf := table.config.Load().(TableConfig) for _, matcher := range conf.blacklist { if matcher.Match(buf) { table.numBlacklist.Inc(1) return } } if len(conf.aggregators) > 0 { fields := bytes.Fields(buf) for _, aggregator := range conf.aggregators { // we rely on incoming metrics already having been validated if aggregator.PreMatch(fields[0]) { aggregator.In <- fields } } } 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) } }