// 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)
}
}
// 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)
}
}