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default.go
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default.go
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package metric
import (
"github.com/pubgo/lug/logutil"
"github.com/pubgo/xerror"
)
var defaultScope Scope
// setDefault 设置全局的scope
func setDefault(scope Scope) {
xerror.Assert(scope == nil, "[scope] should not be nil")
defaultScope = scope
}
// Root 获取全局的scope
func Root() Scope {
xerror.Assert(defaultScope == nil, "please set default scope")
return defaultScope
}
func NewCounter(name string, tags Tags) Counter { return Root().Counter(name) }
func NewGauge(name string) Gauge { return Root().Gauge(name) }
func NewTimer(name string) Timer { return Root().Timer(name) }
func NewHistogram(name string, buckets Buckets) Histogram { return Root().Histogram(name, buckets) }
func WithTagged(tags Tags) Scope { return Root().Tagged(tags) }
func WithSubScope(name string) Scope { return Root().SubScope(name) }
func TimeRecord(t Timer, fn func()) {
defer xerror.Resp(func(err xerror.XErr) { logutil.ErrLog(err) })
var start = t.Start()
fn()
start.Stop()
}