telegraf/selfstat/stat.go

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816 B
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package selfstat
import (
"sync/atomic"
)
type stat struct {
v int64
measurement string
field string
tags map[string]string
key uint64
}
func (s *stat) Incr(v int64) {
atomic.AddInt64(&s.v, v)
}
func (s *stat) Set(v int64) {
atomic.StoreInt64(&s.v, v)
}
func (s *stat) Get() int64 {
return atomic.LoadInt64(&s.v)
}
func (s *stat) Name() string {
return s.measurement
}
func (s *stat) FieldName() string {
return s.field
}
// Tags returns a copy of the stat's tags.
// NOTE this allocates a new map every time it is called.
func (s *stat) Tags() map[string]string {
m := make(map[string]string, len(s.tags))
for k, v := range s.tags {
m[k] = v
}
return m
}
func (s *stat) Key() uint64 {
if s.key == 0 {
s.key = key(s.measurement, s.tags)
}
return s.key
}