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package dogstatsd
import (
"sync"
"time"
)
import "github.com/raintank/met"
type Gauge struct {
key string
val int64
sync.Mutex
backend Backend
}
func (b Backend) NewGauge(key string, val int64) met.Gauge {
g := Gauge{
key: key,
backend: b,
}
go func() {
for {
g.Lock()
g.backend.client.Gauge(g.key, float64(g.val), []string{}, 1)
g.Unlock()
time.Sleep(time.Duration(1) * time.Second)
}
}()
return &g
}
func (g *Gauge) Value(val int64) {
g.Lock()
defer g.Unlock()
g.val = val
g.backend.client.Gauge(g.key, float64(g.val), []string{}, 1)
}
func (g *Gauge) Inc(val int64) {
g.Lock()
defer g.Unlock()
g.val += val
g.backend.client.Gauge(g.key, float64(g.val), []string{}, 1)
}
func (g *Gauge) Dec(val int64) {
g.Lock()
defer g.Unlock()
g.val -= val
g.backend.client.Gauge(g.key, float64(g.val), []string{}, 1)
}
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