client_golang/prometheus/timer.go

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2016-10-31 15:24:29 +03:00
// Copyright 2016 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package prometheus
import "time"
type Observable interface {
Observe(float64)
}
type TimerFunc func(Observable)
func NewTimer() TimerFunc {
begin := time.Now()
return func(obs Observable) {
obs.Observe(time.Since(begin).Seconds())
}
}